--- /dev/null
+/**
+ * @license
+ * Video.js 6.7.4 <http://videojs.com/>
+ * Copyright Brightcove, Inc. <https://www.brightcove.com/>
+ * Available under Apache License Version 2.0
+ * <https://github.com/videojs/video.js/blob/master/LICENSE>
+ *
+ * Includes vtt.js <https://github.com/mozilla/vtt.js>
+ * Available under Apache License Version 2.0
+ * <https://github.com/mozilla/vtt.js/blob/master/LICENSE>
+ */
+
+(function (global, factory) {
+ typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
+ typeof define === 'function' && define.amd ? define(factory) :
+ (global.videojs = factory());
+}(this, (function () {
+
+var version = "6.7.4";
+
+var commonjsGlobal = typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};
+
+
+
+
+
+function createCommonjsModule(fn, module) {
+ return module = { exports: {} }, fn(module, module.exports), module.exports;
+}
+
+var win;
+
+if (typeof window !== "undefined") {
+ win = window;
+} else if (typeof commonjsGlobal !== "undefined") {
+ win = commonjsGlobal;
+} else if (typeof self !== "undefined"){
+ win = self;
+} else {
+ win = {};
+}
+
+var window_1 = win;
+
+var empty = {};
+
+
+var empty$1 = (Object.freeze || Object)({
+ 'default': empty
+});
+
+var minDoc = ( empty$1 && empty ) || empty$1;
+
+var topLevel = typeof commonjsGlobal !== 'undefined' ? commonjsGlobal :
+ typeof window !== 'undefined' ? window : {};
+
+
+var doccy;
+
+if (typeof document !== 'undefined') {
+ doccy = document;
+} else {
+ doccy = topLevel['__GLOBAL_DOCUMENT_CACHE@4'];
+
+ if (!doccy) {
+ doccy = topLevel['__GLOBAL_DOCUMENT_CACHE@4'] = minDoc;
+ }
+}
+
+var document_1 = doccy;
+
+/**
+ * @file browser.js
+ * @module browser
+ */
+var USER_AGENT = window_1.navigator && window_1.navigator.userAgent || '';
+var webkitVersionMap = /AppleWebKit\/([\d.]+)/i.exec(USER_AGENT);
+var appleWebkitVersion = webkitVersionMap ? parseFloat(webkitVersionMap.pop()) : null;
+
+/*
+ * Device is an iPhone
+ *
+ * @type {Boolean}
+ * @constant
+ * @private
+ */
+var IS_IPAD = /iPad/i.test(USER_AGENT);
+
+// The Facebook app's UIWebView identifies as both an iPhone and iPad, so
+// to identify iPhones, we need to exclude iPads.
+// http://artsy.github.io/blog/2012/10/18/the-perils-of-ios-user-agent-sniffing/
+var IS_IPHONE = /iPhone/i.test(USER_AGENT) && !IS_IPAD;
+var IS_IPOD = /iPod/i.test(USER_AGENT);
+var IS_IOS = IS_IPHONE || IS_IPAD || IS_IPOD;
+
+var IOS_VERSION = function () {
+ var match = USER_AGENT.match(/OS (\d+)_/i);
+
+ if (match && match[1]) {
+ return match[1];
+ }
+ return null;
+}();
+
+var IS_ANDROID = /Android/i.test(USER_AGENT);
+var ANDROID_VERSION = function () {
+ // This matches Android Major.Minor.Patch versions
+ // ANDROID_VERSION is Major.Minor as a Number, if Minor isn't available, then only Major is returned
+ var match = USER_AGENT.match(/Android (\d+)(?:\.(\d+))?(?:\.(\d+))*/i);
+
+ if (!match) {
+ return null;
+ }
+
+ var major = match[1] && parseFloat(match[1]);
+ var minor = match[2] && parseFloat(match[2]);
+
+ if (major && minor) {
+ return parseFloat(match[1] + '.' + match[2]);
+ } else if (major) {
+ return major;
+ }
+ return null;
+}();
+
+// Old Android is defined as Version older than 2.3, and requiring a webkit version of the android browser
+var IS_OLD_ANDROID = IS_ANDROID && /webkit/i.test(USER_AGENT) && ANDROID_VERSION < 2.3;
+var IS_NATIVE_ANDROID = IS_ANDROID && ANDROID_VERSION < 5 && appleWebkitVersion < 537;
+
+var IS_FIREFOX = /Firefox/i.test(USER_AGENT);
+var IS_EDGE = /Edge/i.test(USER_AGENT);
+var IS_CHROME = !IS_EDGE && /Chrome/i.test(USER_AGENT);
+var CHROME_VERSION = function () {
+ var match = USER_AGENT.match(/Chrome\/(\d+)/);
+
+ if (match && match[1]) {
+ return parseFloat(match[1]);
+ }
+ return null;
+}();
+var IS_IE8 = /MSIE\s8\.0/.test(USER_AGENT);
+var IE_VERSION = function () {
+ var result = /MSIE\s(\d+)\.\d/.exec(USER_AGENT);
+ var version = result && parseFloat(result[1]);
+
+ if (!version && /Trident\/7.0/i.test(USER_AGENT) && /rv:11.0/.test(USER_AGENT)) {
+ // IE 11 has a different user agent string than other IE versions
+ version = 11.0;
+ }
+
+ return version;
+}();
+
+var IS_SAFARI = /Safari/i.test(USER_AGENT) && !IS_CHROME && !IS_ANDROID && !IS_EDGE;
+var IS_ANY_SAFARI = IS_SAFARI || IS_IOS;
+
+var TOUCH_ENABLED = isReal() && ('ontouchstart' in window_1 || window_1.DocumentTouch && window_1.document instanceof window_1.DocumentTouch);
+
+var BACKGROUND_SIZE_SUPPORTED = isReal() && 'backgroundSize' in window_1.document.createElement('video').style;
+
+var browser = (Object.freeze || Object)({
+ IS_IPAD: IS_IPAD,
+ IS_IPHONE: IS_IPHONE,
+ IS_IPOD: IS_IPOD,
+ IS_IOS: IS_IOS,
+ IOS_VERSION: IOS_VERSION,
+ IS_ANDROID: IS_ANDROID,
+ ANDROID_VERSION: ANDROID_VERSION,
+ IS_OLD_ANDROID: IS_OLD_ANDROID,
+ IS_NATIVE_ANDROID: IS_NATIVE_ANDROID,
+ IS_FIREFOX: IS_FIREFOX,
+ IS_EDGE: IS_EDGE,
+ IS_CHROME: IS_CHROME,
+ CHROME_VERSION: CHROME_VERSION,
+ IS_IE8: IS_IE8,
+ IE_VERSION: IE_VERSION,
+ IS_SAFARI: IS_SAFARI,
+ IS_ANY_SAFARI: IS_ANY_SAFARI,
+ TOUCH_ENABLED: TOUCH_ENABLED,
+ BACKGROUND_SIZE_SUPPORTED: BACKGROUND_SIZE_SUPPORTED
+});
+
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
+ return typeof obj;
+} : function (obj) {
+ return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
+};
+
+
+
+
+
+
+
+
+
+
+
+var classCallCheck = function (instance, Constructor) {
+ if (!(instance instanceof Constructor)) {
+ throw new TypeError("Cannot call a class as a function");
+ }
+};
+
+
+
+
+
+
+
+
+
+
+
+var inherits = function (subClass, superClass) {
+ if (typeof superClass !== "function" && superClass !== null) {
+ throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
+ }
+
+ subClass.prototype = Object.create(superClass && superClass.prototype, {
+ constructor: {
+ value: subClass,
+ enumerable: false,
+ writable: true,
+ configurable: true
+ }
+ });
+ if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
+};
+
+
+
+
+
+
+
+
+
+
+
+var possibleConstructorReturn = function (self, call) {
+ if (!self) {
+ throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
+ }
+
+ return call && (typeof call === "object" || typeof call === "function") ? call : self;
+};
+
+
+
+
+
+
+
+
+
+
+
+var taggedTemplateLiteralLoose = function (strings, raw) {
+ strings.raw = raw;
+ return strings;
+};
+
+/**
+ * @file obj.js
+ * @module obj
+ */
+
+/**
+ * @callback obj:EachCallback
+ *
+ * @param {Mixed} value
+ * The current key for the object that is being iterated over.
+ *
+ * @param {string} key
+ * The current key-value for object that is being iterated over
+ */
+
+/**
+ * @callback obj:ReduceCallback
+ *
+ * @param {Mixed} accum
+ * The value that is accumulating over the reduce loop.
+ *
+ * @param {Mixed} value
+ * The current key for the object that is being iterated over.
+ *
+ * @param {string} key
+ * The current key-value for object that is being iterated over
+ *
+ * @return {Mixed}
+ * The new accumulated value.
+ */
+var toString = Object.prototype.toString;
+
+/**
+ * Get the keys of an Object
+ *
+ * @param {Object}
+ * The Object to get the keys from
+ *
+ * @return {string[]}
+ * An array of the keys from the object. Returns an empty array if the
+ * object passed in was invalid or had no keys.
+ *
+ * @private
+ */
+var keys = function keys(object) {
+ return isObject(object) ? Object.keys(object) : [];
+};
+
+/**
+ * Array-like iteration for objects.
+ *
+ * @param {Object} object
+ * The object to iterate over
+ *
+ * @param {obj:EachCallback} fn
+ * The callback function which is called for each key in the object.
+ */
+function each(object, fn) {
+ keys(object).forEach(function (key) {
+ return fn(object[key], key);
+ });
+}
+
+/**
+ * Array-like reduce for objects.
+ *
+ * @param {Object} object
+ * The Object that you want to reduce.
+ *
+ * @param {Function} fn
+ * A callback function which is called for each key in the object. It
+ * receives the accumulated value and the per-iteration value and key
+ * as arguments.
+ *
+ * @param {Mixed} [initial = 0]
+ * Starting value
+ *
+ * @return {Mixed}
+ * The final accumulated value.
+ */
+function reduce(object, fn) {
+ var initial = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
+
+ return keys(object).reduce(function (accum, key) {
+ return fn(accum, object[key], key);
+ }, initial);
+}
+
+/**
+ * Object.assign-style object shallow merge/extend.
+ *
+ * @param {Object} target
+ * @param {Object} ...sources
+ * @return {Object}
+ */
+function assign(target) {
+ for (var _len = arguments.length, sources = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
+ sources[_key - 1] = arguments[_key];
+ }
+
+ if (Object.assign) {
+ return Object.assign.apply(Object, [target].concat(sources));
+ }
+
+ sources.forEach(function (source) {
+ if (!source) {
+ return;
+ }
+
+ each(source, function (value, key) {
+ target[key] = value;
+ });
+ });
+
+ return target;
+}
+
+/**
+ * Returns whether a value is an object of any kind - including DOM nodes,
+ * arrays, regular expressions, etc. Not functions, though.
+ *
+ * This avoids the gotcha where using `typeof` on a `null` value
+ * results in `'object'`.
+ *
+ * @param {Object} value
+ * @return {Boolean}
+ */
+function isObject(value) {
+ return !!value && (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object';
+}
+
+/**
+ * Returns whether an object appears to be a "plain" object - that is, a
+ * direct instance of `Object`.
+ *
+ * @param {Object} value
+ * @return {Boolean}
+ */
+function isPlain(value) {
+ return isObject(value) && toString.call(value) === '[object Object]' && value.constructor === Object;
+}
+
+/**
+ * @file log.js
+ * @module log
+ */
+var log = void 0;
+
+// This is the private tracking variable for logging level.
+var level = 'info';
+
+// This is the private tracking variable for the logging history.
+var history = [];
+
+/**
+ * Log messages to the console and history based on the type of message
+ *
+ * @private
+ * @param {string} type
+ * The name of the console method to use.
+ *
+ * @param {Array} args
+ * The arguments to be passed to the matching console method.
+ *
+ * @param {boolean} [stringify]
+ * By default, only old IEs should get console argument stringification,
+ * but this is exposed as a parameter to facilitate testing.
+ */
+var logByType = function logByType(type, args) {
+ var stringify = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : !!IE_VERSION && IE_VERSION < 11;
+
+ var lvl = log.levels[level];
+ var lvlRegExp = new RegExp('^(' + lvl + ')$');
+
+ if (type !== 'log') {
+
+ // Add the type to the front of the message when it's not "log".
+ args.unshift(type.toUpperCase() + ':');
+ }
+
+ // Add a clone of the args at this point to history.
+ if (history) {
+ history.push([].concat(args));
+ }
+
+ // Add console prefix after adding to history.
+ args.unshift('VIDEOJS:');
+
+ // If there's no console then don't try to output messages, but they will
+ // still be stored in history.
+ if (!window_1.console) {
+ return;
+ }
+
+ // Was setting these once outside of this function, but containing them
+ // in the function makes it easier to test cases where console doesn't exist
+ // when the module is executed.
+ var fn = window_1.console[type];
+
+ if (!fn && type === 'debug') {
+ // Certain browsers don't have support for console.debug. For those, we
+ // should default to the closest comparable log.
+ fn = window_1.console.info || window_1.console.log;
+ }
+
+ // Bail out if there's no console or if this type is not allowed by the
+ // current logging level.
+ if (!fn || !lvl || !lvlRegExp.test(type)) {
+ return;
+ }
+
+ // IEs previous to 11 log objects uselessly as "[object Object]"; so, JSONify
+ // objects and arrays for those less-capable browsers.
+ if (stringify) {
+ args = args.map(function (a) {
+ if (isObject(a) || Array.isArray(a)) {
+ try {
+ return JSON.stringify(a);
+ } catch (x) {
+ return String(a);
+ }
+ }
+
+ // Cast to string before joining, so we get null and undefined explicitly
+ // included in output (as we would in a modern console).
+ return String(a);
+ }).join(' ');
+ }
+
+ // Old IE versions do not allow .apply() for console methods (they are
+ // reported as objects rather than functions).
+ if (!fn.apply) {
+ fn(args);
+ } else {
+ fn[Array.isArray(args) ? 'apply' : 'call'](window_1.console, args);
+ }
+};
+
+/**
+ * Logs plain debug messages. Similar to `console.log`.
+ *
+ * @class
+ * @param {Mixed[]} args
+ * One or more messages or objects that should be logged.
+ */
+log = function log() {
+ for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+ args[_key] = arguments[_key];
+ }
+
+ logByType('log', args);
+};
+
+/**
+ * Enumeration of available logging levels, where the keys are the level names
+ * and the values are `|`-separated strings containing logging methods allowed
+ * in that logging level. These strings are used to create a regular expression
+ * matching the function name being called.
+ *
+ * Levels provided by video.js are:
+ *
+ * - `off`: Matches no calls. Any value that can be cast to `false` will have
+ * this effect. The most restrictive.
+ * - `all`: Matches only Video.js-provided functions (`debug`, `log`,
+ * `log.warn`, and `log.error`).
+ * - `debug`: Matches `log.debug`, `log`, `log.warn`, and `log.error` calls.
+ * - `info` (default): Matches `log`, `log.warn`, and `log.error` calls.
+ * - `warn`: Matches `log.warn` and `log.error` calls.
+ * - `error`: Matches only `log.error` calls.
+ *
+ * @type {Object}
+ */
+log.levels = {
+ all: 'debug|log|warn|error',
+ off: '',
+ debug: 'debug|log|warn|error',
+ info: 'log|warn|error',
+ warn: 'warn|error',
+ error: 'error',
+ DEFAULT: level
+};
+
+/**
+ * Get or set the current logging level. If a string matching a key from
+ * {@link log.levels} is provided, acts as a setter. Regardless of argument,
+ * returns the current logging level.
+ *
+ * @param {string} [lvl]
+ * Pass to set a new logging level.
+ *
+ * @return {string}
+ * The current logging level.
+ */
+log.level = function (lvl) {
+ if (typeof lvl === 'string') {
+ if (!log.levels.hasOwnProperty(lvl)) {
+ throw new Error('"' + lvl + '" in not a valid log level');
+ }
+ level = lvl;
+ }
+ return level;
+};
+
+/**
+ * Returns an array containing everything that has been logged to the history.
+ *
+ * This array is a shallow clone of the internal history record. However, its
+ * contents are _not_ cloned; so, mutating objects inside this array will
+ * mutate them in history.
+ *
+ * @return {Array}
+ */
+log.history = function () {
+ return history ? [].concat(history) : [];
+};
+
+/**
+ * Clears the internal history tracking, but does not prevent further history
+ * tracking.
+ */
+log.history.clear = function () {
+ if (history) {
+ history.length = 0;
+ }
+};
+
+/**
+ * Disable history tracking if it is currently enabled.
+ */
+log.history.disable = function () {
+ if (history !== null) {
+ history.length = 0;
+ history = null;
+ }
+};
+
+/**
+ * Enable history tracking if it is currently disabled.
+ */
+log.history.enable = function () {
+ if (history === null) {
+ history = [];
+ }
+};
+
+/**
+ * Logs error messages. Similar to `console.error`.
+ *
+ * @param {Mixed[]} args
+ * One or more messages or objects that should be logged as an error
+ */
+log.error = function () {
+ for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
+ args[_key2] = arguments[_key2];
+ }
+
+ return logByType('error', args);
+};
+
+/**
+ * Logs warning messages. Similar to `console.warn`.
+ *
+ * @param {Mixed[]} args
+ * One or more messages or objects that should be logged as a warning.
+ */
+log.warn = function () {
+ for (var _len3 = arguments.length, args = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
+ args[_key3] = arguments[_key3];
+ }
+
+ return logByType('warn', args);
+};
+
+/**
+ * Logs debug messages. Similar to `console.debug`, but may also act as a comparable
+ * log if `console.debug` is not available
+ *
+ * @param {Mixed[]} args
+ * One or more messages or objects that should be logged as debug.
+ */
+log.debug = function () {
+ for (var _len4 = arguments.length, args = Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
+ args[_key4] = arguments[_key4];
+ }
+
+ return logByType('debug', args);
+};
+
+var log$1 = log;
+
+function clean (s) {
+ return s.replace(/\n\r?\s*/g, '')
+}
+
+
+var tsml = function tsml (sa) {
+ var s = ''
+ , i = 0;
+
+ for (; i < arguments.length; i++)
+ s += clean(sa[i]) + (arguments[i + 1] || '');
+
+ return s
+};
+
+/**
+ * @file computed-style.js
+ * @module computed-style
+ */
+/**
+ * A safe getComputedStyle with an IE8 fallback.
+ *
+ * This is needed because in Firefox, if the player is loaded in an iframe with
+ * `display:none`, then `getComputedStyle` returns `null`, so, we do a null-check to
+ * make sure that the player doesn't break in these cases.
+ *
+ * @param {Element} el
+ * The element you want the computed style of
+ *
+ * @param {string} prop
+ * The property name you want
+ *
+ * @see https://bugzilla.mozilla.org/show_bug.cgi?id=548397
+ *
+ * @static
+ * @const
+ */
+function computedStyle(el, prop) {
+ if (!el || !prop) {
+ return '';
+ }
+
+ if (typeof window_1.getComputedStyle === 'function') {
+ var cs = window_1.getComputedStyle(el);
+
+ return cs ? cs[prop] : '';
+ }
+
+ return el.currentStyle[prop] || '';
+}
+
+var _templateObject = taggedTemplateLiteralLoose(['Setting attributes in the second argument of createEl()\n has been deprecated. Use the third argument instead.\n createEl(type, properties, attributes). Attempting to set ', ' to ', '.'], ['Setting attributes in the second argument of createEl()\n has been deprecated. Use the third argument instead.\n createEl(type, properties, attributes). Attempting to set ', ' to ', '.']);
+
+/**
+ * @file dom.js
+ * @module dom
+ */
+/**
+ * Detect if a value is a string with any non-whitespace characters.
+ *
+ * @param {string} str
+ * The string to check
+ *
+ * @return {boolean}
+ * - True if the string is non-blank
+ * - False otherwise
+ *
+ */
+function isNonBlankString(str) {
+ return typeof str === 'string' && /\S/.test(str);
+}
+
+/**
+ * Throws an error if the passed string has whitespace. This is used by
+ * class methods to be relatively consistent with the classList API.
+ *
+ * @param {string} str
+ * The string to check for whitespace.
+ *
+ * @throws {Error}
+ * Throws an error if there is whitespace in the string.
+ *
+ */
+function throwIfWhitespace(str) {
+ if (/\s/.test(str)) {
+ throw new Error('class has illegal whitespace characters');
+ }
+}
+
+/**
+ * Produce a regular expression for matching a className within an elements className.
+ *
+ * @param {string} className
+ * The className to generate the RegExp for.
+ *
+ * @return {RegExp}
+ * The RegExp that will check for a specific `className` in an elements
+ * className.
+ */
+function classRegExp(className) {
+ return new RegExp('(^|\\s)' + className + '($|\\s)');
+}
+
+/**
+ * Whether the current DOM interface appears to be real.
+ *
+ * @return {Boolean}
+ */
+function isReal() {
+ return (
+
+ // Both document and window will never be undefined thanks to `global`.
+ document_1 === window_1.document &&
+
+ // In IE < 9, DOM methods return "object" as their type, so all we can
+ // confidently check is that it exists.
+ typeof document_1.createElement !== 'undefined'
+ );
+}
+
+/**
+ * Determines, via duck typing, whether or not a value is a DOM element.
+ *
+ * @param {Mixed} value
+ * The thing to check
+ *
+ * @return {boolean}
+ * - True if it is a DOM element
+ * - False otherwise
+ */
+function isEl(value) {
+ return isObject(value) && value.nodeType === 1;
+}
+
+/**
+ * Determines if the current DOM is embedded in an iframe.
+ *
+ * @return {boolean}
+ *
+ */
+function isInFrame() {
+
+ // We need a try/catch here because Safari will throw errors when attempting
+ // to get either `parent` or `self`
+ try {
+ return window_1.parent !== window_1.self;
+ } catch (x) {
+ return true;
+ }
+}
+
+/**
+ * Creates functions to query the DOM using a given method.
+ *
+ * @param {string} method
+ * The method to create the query with.
+ *
+ * @return {Function}
+ * The query method
+ */
+function createQuerier(method) {
+ return function (selector, context) {
+ if (!isNonBlankString(selector)) {
+ return document_1[method](null);
+ }
+ if (isNonBlankString(context)) {
+ context = document_1.querySelector(context);
+ }
+
+ var ctx = isEl(context) ? context : document_1;
+
+ return ctx[method] && ctx[method](selector);
+ };
+}
+
+/**
+ * Creates an element and applies properties.
+ *
+ * @param {string} [tagName='div']
+ * Name of tag to be created.
+ *
+ * @param {Object} [properties={}]
+ * Element properties to be applied.
+ *
+ * @param {Object} [attributes={}]
+ * Element attributes to be applied.
+ *
+ * @param {String|Element|TextNode|Array|Function} [content]
+ * Contents for the element (see: {@link dom:normalizeContent})
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+function createEl() {
+ var tagName = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'div';
+ var properties = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ var attributes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+ var content = arguments[3];
+
+ var el = document_1.createElement(tagName);
+
+ Object.getOwnPropertyNames(properties).forEach(function (propName) {
+ var val = properties[propName];
+
+ // See #2176
+ // We originally were accepting both properties and attributes in the
+ // same object, but that doesn't work so well.
+ if (propName.indexOf('aria-') !== -1 || propName === 'role' || propName === 'type') {
+ log$1.warn(tsml(_templateObject, propName, val));
+ el.setAttribute(propName, val);
+
+ // Handle textContent since it's not supported everywhere and we have a
+ // method for it.
+ } else if (propName === 'textContent') {
+ textContent(el, val);
+ } else {
+ el[propName] = val;
+ }
+ });
+
+ Object.getOwnPropertyNames(attributes).forEach(function (attrName) {
+ el.setAttribute(attrName, attributes[attrName]);
+ });
+
+ if (content) {
+ appendContent(el, content);
+ }
+
+ return el;
+}
+
+/**
+ * Injects text into an element, replacing any existing contents entirely.
+ *
+ * @param {Element} el
+ * The element to add text content into
+ *
+ * @param {string} text
+ * The text content to add.
+ *
+ * @return {Element}
+ * The element with added text content.
+ */
+function textContent(el, text) {
+ if (typeof el.textContent === 'undefined') {
+ el.innerText = text;
+ } else {
+ el.textContent = text;
+ }
+ return el;
+}
+
+/**
+ * Insert an element as the first child node of another
+ *
+ * @param {Element} child
+ * Element to insert
+ *
+ * @param {Element} parent
+ * Element to insert child into
+ */
+function prependTo(child, parent) {
+ if (parent.firstChild) {
+ parent.insertBefore(child, parent.firstChild);
+ } else {
+ parent.appendChild(child);
+ }
+}
+
+/**
+ * Check if an element has a CSS class
+ *
+ * @param {Element} element
+ * Element to check
+ *
+ * @param {string} classToCheck
+ * Class name to check for
+ *
+ * @return {boolean}
+ * - True if the element had the class
+ * - False otherwise.
+ *
+ * @throws {Error}
+ * Throws an error if `classToCheck` has white space.
+ */
+function hasClass(element, classToCheck) {
+ throwIfWhitespace(classToCheck);
+ if (element.classList) {
+ return element.classList.contains(classToCheck);
+ }
+ return classRegExp(classToCheck).test(element.className);
+}
+
+/**
+ * Add a CSS class name to an element
+ *
+ * @param {Element} element
+ * Element to add class name to.
+ *
+ * @param {string} classToAdd
+ * Class name to add.
+ *
+ * @return {Element}
+ * The dom element with the added class name.
+ */
+function addClass(element, classToAdd) {
+ if (element.classList) {
+ element.classList.add(classToAdd);
+
+ // Don't need to `throwIfWhitespace` here because `hasElClass` will do it
+ // in the case of classList not being supported.
+ } else if (!hasClass(element, classToAdd)) {
+ element.className = (element.className + ' ' + classToAdd).trim();
+ }
+
+ return element;
+}
+
+/**
+ * Remove a CSS class name from an element
+ *
+ * @param {Element} element
+ * Element to remove a class name from.
+ *
+ * @param {string} classToRemove
+ * Class name to remove
+ *
+ * @return {Element}
+ * The dom element with class name removed.
+ */
+function removeClass(element, classToRemove) {
+ if (element.classList) {
+ element.classList.remove(classToRemove);
+ } else {
+ throwIfWhitespace(classToRemove);
+ element.className = element.className.split(/\s+/).filter(function (c) {
+ return c !== classToRemove;
+ }).join(' ');
+ }
+
+ return element;
+}
+
+/**
+ * The callback definition for toggleElClass.
+ *
+ * @callback Dom~PredicateCallback
+ * @param {Element} element
+ * The DOM element of the Component.
+ *
+ * @param {string} classToToggle
+ * The `className` that wants to be toggled
+ *
+ * @return {boolean|undefined}
+ * - If true the `classToToggle` will get added to `element`.
+ * - If false the `classToToggle` will get removed from `element`.
+ * - If undefined this callback will be ignored
+ */
+
+/**
+ * Adds or removes a CSS class name on an element depending on an optional
+ * condition or the presence/absence of the class name.
+ *
+ * @param {Element} element
+ * The element to toggle a class name on.
+ *
+ * @param {string} classToToggle
+ * The class that should be toggled
+ *
+ * @param {boolean|PredicateCallback} [predicate]
+ * See the return value for {@link Dom~PredicateCallback}
+ *
+ * @return {Element}
+ * The element with a class that has been toggled.
+ */
+function toggleClass(element, classToToggle, predicate) {
+
+ // This CANNOT use `classList` internally because IE does not support the
+ // second parameter to the `classList.toggle()` method! Which is fine because
+ // `classList` will be used by the add/remove functions.
+ var has = hasClass(element, classToToggle);
+
+ if (typeof predicate === 'function') {
+ predicate = predicate(element, classToToggle);
+ }
+
+ if (typeof predicate !== 'boolean') {
+ predicate = !has;
+ }
+
+ // If the necessary class operation matches the current state of the
+ // element, no action is required.
+ if (predicate === has) {
+ return;
+ }
+
+ if (predicate) {
+ addClass(element, classToToggle);
+ } else {
+ removeClass(element, classToToggle);
+ }
+
+ return element;
+}
+
+/**
+ * Apply attributes to an HTML element.
+ *
+ * @param {Element} el
+ * Element to add attributes to.
+ *
+ * @param {Object} [attributes]
+ * Attributes to be applied.
+ */
+function setAttributes(el, attributes) {
+ Object.getOwnPropertyNames(attributes).forEach(function (attrName) {
+ var attrValue = attributes[attrName];
+
+ if (attrValue === null || typeof attrValue === 'undefined' || attrValue === false) {
+ el.removeAttribute(attrName);
+ } else {
+ el.setAttribute(attrName, attrValue === true ? '' : attrValue);
+ }
+ });
+}
+
+/**
+ * Get an element's attribute values, as defined on the HTML tag
+ * Attributes are not the same as properties. They're defined on the tag
+ * or with setAttribute (which shouldn't be used with HTML)
+ * This will return true or false for boolean attributes.
+ *
+ * @param {Element} tag
+ * Element from which to get tag attributes.
+ *
+ * @return {Object}
+ * All attributes of the element.
+ */
+function getAttributes(tag) {
+ var obj = {};
+
+ // known boolean attributes
+ // we can check for matching boolean properties, but older browsers
+ // won't know about HTML5 boolean attributes that we still read from
+ var knownBooleans = ',' + 'autoplay,controls,playsinline,loop,muted,default,defaultMuted' + ',';
+
+ if (tag && tag.attributes && tag.attributes.length > 0) {
+ var attrs = tag.attributes;
+
+ for (var i = attrs.length - 1; i >= 0; i--) {
+ var attrName = attrs[i].name;
+ var attrVal = attrs[i].value;
+
+ // check for known booleans
+ // the matching element property will return a value for typeof
+ if (typeof tag[attrName] === 'boolean' || knownBooleans.indexOf(',' + attrName + ',') !== -1) {
+ // the value of an included boolean attribute is typically an empty
+ // string ('') which would equal false if we just check for a false value.
+ // we also don't want support bad code like autoplay='false'
+ attrVal = attrVal !== null ? true : false;
+ }
+
+ obj[attrName] = attrVal;
+ }
+ }
+
+ return obj;
+}
+
+/**
+ * Get the value of an element's attribute
+ *
+ * @param {Element} el
+ * A DOM element
+ *
+ * @param {string} attribute
+ * Attribute to get the value of
+ *
+ * @return {string}
+ * value of the attribute
+ */
+function getAttribute(el, attribute) {
+ return el.getAttribute(attribute);
+}
+
+/**
+ * Set the value of an element's attribute
+ *
+ * @param {Element} el
+ * A DOM element
+ *
+ * @param {string} attribute
+ * Attribute to set
+ *
+ * @param {string} value
+ * Value to set the attribute to
+ */
+function setAttribute(el, attribute, value) {
+ el.setAttribute(attribute, value);
+}
+
+/**
+ * Remove an element's attribute
+ *
+ * @param {Element} el
+ * A DOM element
+ *
+ * @param {string} attribute
+ * Attribute to remove
+ */
+function removeAttribute(el, attribute) {
+ el.removeAttribute(attribute);
+}
+
+/**
+ * Attempt to block the ability to select text while dragging controls
+ */
+function blockTextSelection() {
+ document_1.body.focus();
+ document_1.onselectstart = function () {
+ return false;
+ };
+}
+
+/**
+ * Turn off text selection blocking
+ */
+function unblockTextSelection() {
+ document_1.onselectstart = function () {
+ return true;
+ };
+}
+
+/**
+ * Identical to the native `getBoundingClientRect` function, but ensures that
+ * the method is supported at all (it is in all browsers we claim to support)
+ * and that the element is in the DOM before continuing.
+ *
+ * This wrapper function also shims properties which are not provided by some
+ * older browsers (namely, IE8).
+ *
+ * Additionally, some browsers do not support adding properties to a
+ * `ClientRect`/`DOMRect` object; so, we shallow-copy it with the standard
+ * properties (except `x` and `y` which are not widely supported). This helps
+ * avoid implementations where keys are non-enumerable.
+ *
+ * @param {Element} el
+ * Element whose `ClientRect` we want to calculate.
+ *
+ * @return {Object|undefined}
+ * Always returns a plain
+ */
+function getBoundingClientRect(el) {
+ if (el && el.getBoundingClientRect && el.parentNode) {
+ var rect = el.getBoundingClientRect();
+ var result = {};
+
+ ['bottom', 'height', 'left', 'right', 'top', 'width'].forEach(function (k) {
+ if (rect[k] !== undefined) {
+ result[k] = rect[k];
+ }
+ });
+
+ if (!result.height) {
+ result.height = parseFloat(computedStyle(el, 'height'));
+ }
+
+ if (!result.width) {
+ result.width = parseFloat(computedStyle(el, 'width'));
+ }
+
+ return result;
+ }
+}
+
+/**
+ * The postion of a DOM element on the page.
+ *
+ * @typedef {Object} module:dom~Position
+ *
+ * @property {number} left
+ * Pixels to the left
+ *
+ * @property {number} top
+ * Pixels on top
+ */
+
+/**
+ * Offset Left.
+ * getBoundingClientRect technique from
+ * John Resig
+ *
+ * @see http://ejohn.org/blog/getboundingclientrect-is-awesome/
+ *
+ * @param {Element} el
+ * Element from which to get offset
+ *
+ * @return {module:dom~Position}
+ * The position of the element that was passed in.
+ */
+function findPosition(el) {
+ var box = void 0;
+
+ if (el.getBoundingClientRect && el.parentNode) {
+ box = el.getBoundingClientRect();
+ }
+
+ if (!box) {
+ return {
+ left: 0,
+ top: 0
+ };
+ }
+
+ var docEl = document_1.documentElement;
+ var body = document_1.body;
+
+ var clientLeft = docEl.clientLeft || body.clientLeft || 0;
+ var scrollLeft = window_1.pageXOffset || body.scrollLeft;
+ var left = box.left + scrollLeft - clientLeft;
+
+ var clientTop = docEl.clientTop || body.clientTop || 0;
+ var scrollTop = window_1.pageYOffset || body.scrollTop;
+ var top = box.top + scrollTop - clientTop;
+
+ // Android sometimes returns slightly off decimal values, so need to round
+ return {
+ left: Math.round(left),
+ top: Math.round(top)
+ };
+}
+
+/**
+ * x and y coordinates for a dom element or mouse pointer
+ *
+ * @typedef {Object} Dom~Coordinates
+ *
+ * @property {number} x
+ * x coordinate in pixels
+ *
+ * @property {number} y
+ * y coordinate in pixels
+ */
+
+/**
+ * Get pointer position in element
+ * Returns an object with x and y coordinates.
+ * The base on the coordinates are the bottom left of the element.
+ *
+ * @param {Element} el
+ * Element on which to get the pointer position on
+ *
+ * @param {EventTarget~Event} event
+ * Event object
+ *
+ * @return {Dom~Coordinates}
+ * A Coordinates object corresponding to the mouse position.
+ *
+ */
+function getPointerPosition(el, event) {
+ var position = {};
+ var box = findPosition(el);
+ var boxW = el.offsetWidth;
+ var boxH = el.offsetHeight;
+
+ var boxY = box.top;
+ var boxX = box.left;
+ var pageY = event.pageY;
+ var pageX = event.pageX;
+
+ if (event.changedTouches) {
+ pageX = event.changedTouches[0].pageX;
+ pageY = event.changedTouches[0].pageY;
+ }
+
+ position.y = Math.max(0, Math.min(1, (boxY - pageY + boxH) / boxH));
+ position.x = Math.max(0, Math.min(1, (pageX - boxX) / boxW));
+
+ return position;
+}
+
+/**
+ * Determines, via duck typing, whether or not a value is a text node.
+ *
+ * @param {Mixed} value
+ * Check if this value is a text node.
+ *
+ * @return {boolean}
+ * - True if it is a text node
+ * - False otherwise
+ */
+function isTextNode(value) {
+ return isObject(value) && value.nodeType === 3;
+}
+
+/**
+ * Empties the contents of an element.
+ *
+ * @param {Element} el
+ * The element to empty children from
+ *
+ * @return {Element}
+ * The element with no children
+ */
+function emptyEl(el) {
+ while (el.firstChild) {
+ el.removeChild(el.firstChild);
+ }
+ return el;
+}
+
+/**
+ * Normalizes content for eventual insertion into the DOM.
+ *
+ * This allows a wide range of content definition methods, but protects
+ * from falling into the trap of simply writing to `innerHTML`, which is
+ * an XSS concern.
+ *
+ * The content for an element can be passed in multiple types and
+ * combinations, whose behavior is as follows:
+ *
+ * @param {String|Element|TextNode|Array|Function} content
+ * - String: Normalized into a text node.
+ * - Element/TextNode: Passed through.
+ * - Array: A one-dimensional array of strings, elements, nodes, or functions
+ * (which return single strings, elements, or nodes).
+ * - Function: If the sole argument, is expected to produce a string, element,
+ * node, or array as defined above.
+ *
+ * @return {Array}
+ * All of the content that was passed in normalized.
+ */
+function normalizeContent(content) {
+
+ // First, invoke content if it is a function. If it produces an array,
+ // that needs to happen before normalization.
+ if (typeof content === 'function') {
+ content = content();
+ }
+
+ // Next up, normalize to an array, so one or many items can be normalized,
+ // filtered, and returned.
+ return (Array.isArray(content) ? content : [content]).map(function (value) {
+
+ // First, invoke value if it is a function to produce a new value,
+ // which will be subsequently normalized to a Node of some kind.
+ if (typeof value === 'function') {
+ value = value();
+ }
+
+ if (isEl(value) || isTextNode(value)) {
+ return value;
+ }
+
+ if (typeof value === 'string' && /\S/.test(value)) {
+ return document_1.createTextNode(value);
+ }
+ }).filter(function (value) {
+ return value;
+ });
+}
+
+/**
+ * Normalizes and appends content to an element.
+ *
+ * @param {Element} el
+ * Element to append normalized content to.
+ *
+ *
+ * @param {String|Element|TextNode|Array|Function} content
+ * See the `content` argument of {@link dom:normalizeContent}
+ *
+ * @return {Element}
+ * The element with appended normalized content.
+ */
+function appendContent(el, content) {
+ normalizeContent(content).forEach(function (node) {
+ return el.appendChild(node);
+ });
+ return el;
+}
+
+/**
+ * Normalizes and inserts content into an element; this is identical to
+ * `appendContent()`, except it empties the element first.
+ *
+ * @param {Element} el
+ * Element to insert normalized content into.
+ *
+ * @param {String|Element|TextNode|Array|Function} content
+ * See the `content` argument of {@link dom:normalizeContent}
+ *
+ * @return {Element}
+ * The element with inserted normalized content.
+ *
+ */
+function insertContent(el, content) {
+ return appendContent(emptyEl(el), content);
+}
+
+/**
+ * Check if event was a single left click
+ *
+ * @param {EventTarget~Event} event
+ * Event object
+ *
+ * @return {boolean}
+ * - True if a left click
+ * - False if not a left click
+ */
+function isSingleLeftClick(event) {
+ // Note: if you create something draggable, be sure to
+ // call it on both `mousedown` and `mousemove` event,
+ // otherwise `mousedown` should be enough for a button
+
+ if (event.button === undefined && event.buttons === undefined) {
+ // Why do we need `butttons` ?
+ // Because, middle mouse sometimes have this:
+ // e.button === 0 and e.buttons === 4
+ // Furthermore, we want to prevent combination click, something like
+ // HOLD middlemouse then left click, that would be
+ // e.button === 0, e.buttons === 5
+ // just `button` is not gonna work
+
+ // Alright, then what this block does ?
+ // this is for chrome `simulate mobile devices`
+ // I want to support this as well
+
+ return true;
+ }
+
+ if (event.button === 0 && event.buttons === undefined) {
+ // Touch screen, sometimes on some specific device, `buttons`
+ // doesn't have anything (safari on ios, blackberry...)
+
+ return true;
+ }
+
+ if (IE_VERSION === 9) {
+ // Ignore IE9
+
+ return true;
+ }
+
+ if (event.button !== 0 || event.buttons !== 1) {
+ // This is the reason we have those if else block above
+ // if any special case we can catch and let it slide
+ // we do it above, when get to here, this definitely
+ // is-not-left-click
+
+ return false;
+ }
+
+ return true;
+}
+
+/**
+ * Finds a single DOM element matching `selector` within the optional
+ * `context` of another DOM element (defaulting to `document`).
+ *
+ * @param {string} selector
+ * A valid CSS selector, which will be passed to `querySelector`.
+ *
+ * @param {Element|String} [context=document]
+ * A DOM element within which to query. Can also be a selector
+ * string in which case the first matching element will be used
+ * as context. If missing (or no element matches selector), falls
+ * back to `document`.
+ *
+ * @return {Element|null}
+ * The element that was found or null.
+ */
+var $ = createQuerier('querySelector');
+
+/**
+ * Finds a all DOM elements matching `selector` within the optional
+ * `context` of another DOM element (defaulting to `document`).
+ *
+ * @param {string} selector
+ * A valid CSS selector, which will be passed to `querySelectorAll`.
+ *
+ * @param {Element|String} [context=document]
+ * A DOM element within which to query. Can also be a selector
+ * string in which case the first matching element will be used
+ * as context. If missing (or no element matches selector), falls
+ * back to `document`.
+ *
+ * @return {NodeList}
+ * A element list of elements that were found. Will be empty if none were found.
+ *
+ */
+var $$ = createQuerier('querySelectorAll');
+
+
+
+var Dom = (Object.freeze || Object)({
+ isReal: isReal,
+ isEl: isEl,
+ isInFrame: isInFrame,
+ createEl: createEl,
+ textContent: textContent,
+ prependTo: prependTo,
+ hasClass: hasClass,
+ addClass: addClass,
+ removeClass: removeClass,
+ toggleClass: toggleClass,
+ setAttributes: setAttributes,
+ getAttributes: getAttributes,
+ getAttribute: getAttribute,
+ setAttribute: setAttribute,
+ removeAttribute: removeAttribute,
+ blockTextSelection: blockTextSelection,
+ unblockTextSelection: unblockTextSelection,
+ getBoundingClientRect: getBoundingClientRect,
+ findPosition: findPosition,
+ getPointerPosition: getPointerPosition,
+ isTextNode: isTextNode,
+ emptyEl: emptyEl,
+ normalizeContent: normalizeContent,
+ appendContent: appendContent,
+ insertContent: insertContent,
+ isSingleLeftClick: isSingleLeftClick,
+ $: $,
+ $$: $$
+});
+
+/**
+ * @file guid.js
+ * @module guid
+ */
+
+/**
+ * Unique ID for an element or function
+ * @type {Number}
+ */
+var _guid = 1;
+
+/**
+ * Get a unique auto-incrementing ID by number that has not been returned before.
+ *
+ * @return {number}
+ * A new unique ID.
+ */
+function newGUID() {
+ return _guid++;
+}
+
+/**
+ * @file dom-data.js
+ * @module dom-data
+ */
+/**
+ * Element Data Store.
+ *
+ * Allows for binding data to an element without putting it directly on the
+ * element. Ex. Event listeners are stored here.
+ * (also from jsninja.com, slightly modified and updated for closure compiler)
+ *
+ * @type {Object}
+ * @private
+ */
+var elData = {};
+
+/*
+ * Unique attribute name to store an element's guid in
+ *
+ * @type {String}
+ * @constant
+ * @private
+ */
+var elIdAttr = 'vdata' + new Date().getTime();
+
+/**
+ * Returns the cache object where data for an element is stored
+ *
+ * @param {Element} el
+ * Element to store data for.
+ *
+ * @return {Object}
+ * The cache object for that el that was passed in.
+ */
+function getData(el) {
+ var id = el[elIdAttr];
+
+ if (!id) {
+ id = el[elIdAttr] = newGUID();
+ }
+
+ if (!elData[id]) {
+ elData[id] = {};
+ }
+
+ return elData[id];
+}
+
+/**
+ * Returns whether or not an element has cached data
+ *
+ * @param {Element} el
+ * Check if this element has cached data.
+ *
+ * @return {boolean}
+ * - True if the DOM element has cached data.
+ * - False otherwise.
+ */
+function hasData(el) {
+ var id = el[elIdAttr];
+
+ if (!id) {
+ return false;
+ }
+
+ return !!Object.getOwnPropertyNames(elData[id]).length;
+}
+
+/**
+ * Delete data for the element from the cache and the guid attr from getElementById
+ *
+ * @param {Element} el
+ * Remove cached data for this element.
+ */
+function removeData(el) {
+ var id = el[elIdAttr];
+
+ if (!id) {
+ return;
+ }
+
+ // Remove all stored data
+ delete elData[id];
+
+ // Remove the elIdAttr property from the DOM node
+ try {
+ delete el[elIdAttr];
+ } catch (e) {
+ if (el.removeAttribute) {
+ el.removeAttribute(elIdAttr);
+ } else {
+ // IE doesn't appear to support removeAttribute on the document element
+ el[elIdAttr] = null;
+ }
+ }
+}
+
+/**
+ * @file events.js. An Event System (John Resig - Secrets of a JS Ninja http://jsninja.com/)
+ * (Original book version wasn't completely usable, so fixed some things and made Closure Compiler compatible)
+ * This should work very similarly to jQuery's events, however it's based off the book version which isn't as
+ * robust as jquery's, so there's probably some differences.
+ *
+ * @module events
+ */
+
+/**
+ * Clean up the listener cache and dispatchers
+ *
+ * @param {Element|Object} elem
+ * Element to clean up
+ *
+ * @param {string} type
+ * Type of event to clean up
+ */
+function _cleanUpEvents(elem, type) {
+ var data = getData(elem);
+
+ // Remove the events of a particular type if there are none left
+ if (data.handlers[type].length === 0) {
+ delete data.handlers[type];
+ // data.handlers[type] = null;
+ // Setting to null was causing an error with data.handlers
+
+ // Remove the meta-handler from the element
+ if (elem.removeEventListener) {
+ elem.removeEventListener(type, data.dispatcher, false);
+ } else if (elem.detachEvent) {
+ elem.detachEvent('on' + type, data.dispatcher);
+ }
+ }
+
+ // Remove the events object if there are no types left
+ if (Object.getOwnPropertyNames(data.handlers).length <= 0) {
+ delete data.handlers;
+ delete data.dispatcher;
+ delete data.disabled;
+ }
+
+ // Finally remove the element data if there is no data left
+ if (Object.getOwnPropertyNames(data).length === 0) {
+ removeData(elem);
+ }
+}
+
+/**
+ * Loops through an array of event types and calls the requested method for each type.
+ *
+ * @param {Function} fn
+ * The event method we want to use.
+ *
+ * @param {Element|Object} elem
+ * Element or object to bind listeners to
+ *
+ * @param {string} type
+ * Type of event to bind to.
+ *
+ * @param {EventTarget~EventListener} callback
+ * Event listener.
+ */
+function _handleMultipleEvents(fn, elem, types, callback) {
+ types.forEach(function (type) {
+ // Call the event method for each one of the types
+ fn(elem, type, callback);
+ });
+}
+
+/**
+ * Fix a native event to have standard property values
+ *
+ * @param {Object} event
+ * Event object to fix.
+ *
+ * @return {Object}
+ * Fixed event object.
+ */
+function fixEvent(event) {
+
+ function returnTrue() {
+ return true;
+ }
+
+ function returnFalse() {
+ return false;
+ }
+
+ // Test if fixing up is needed
+ // Used to check if !event.stopPropagation instead of isPropagationStopped
+ // But native events return true for stopPropagation, but don't have
+ // other expected methods like isPropagationStopped. Seems to be a problem
+ // with the Javascript Ninja code. So we're just overriding all events now.
+ if (!event || !event.isPropagationStopped) {
+ var old = event || window_1.event;
+
+ event = {};
+ // Clone the old object so that we can modify the values event = {};
+ // IE8 Doesn't like when you mess with native event properties
+ // Firefox returns false for event.hasOwnProperty('type') and other props
+ // which makes copying more difficult.
+ // TODO: Probably best to create a whitelist of event props
+ for (var key in old) {
+ // Safari 6.0.3 warns you if you try to copy deprecated layerX/Y
+ // Chrome warns you if you try to copy deprecated keyboardEvent.keyLocation
+ // and webkitMovementX/Y
+ if (key !== 'layerX' && key !== 'layerY' && key !== 'keyLocation' && key !== 'webkitMovementX' && key !== 'webkitMovementY') {
+ // Chrome 32+ warns if you try to copy deprecated returnValue, but
+ // we still want to if preventDefault isn't supported (IE8).
+ if (!(key === 'returnValue' && old.preventDefault)) {
+ event[key] = old[key];
+ }
+ }
+ }
+
+ // The event occurred on this element
+ if (!event.target) {
+ event.target = event.srcElement || document_1;
+ }
+
+ // Handle which other element the event is related to
+ if (!event.relatedTarget) {
+ event.relatedTarget = event.fromElement === event.target ? event.toElement : event.fromElement;
+ }
+
+ // Stop the default browser action
+ event.preventDefault = function () {
+ if (old.preventDefault) {
+ old.preventDefault();
+ }
+ event.returnValue = false;
+ old.returnValue = false;
+ event.defaultPrevented = true;
+ };
+
+ event.defaultPrevented = false;
+
+ // Stop the event from bubbling
+ event.stopPropagation = function () {
+ if (old.stopPropagation) {
+ old.stopPropagation();
+ }
+ event.cancelBubble = true;
+ old.cancelBubble = true;
+ event.isPropagationStopped = returnTrue;
+ };
+
+ event.isPropagationStopped = returnFalse;
+
+ // Stop the event from bubbling and executing other handlers
+ event.stopImmediatePropagation = function () {
+ if (old.stopImmediatePropagation) {
+ old.stopImmediatePropagation();
+ }
+ event.isImmediatePropagationStopped = returnTrue;
+ event.stopPropagation();
+ };
+
+ event.isImmediatePropagationStopped = returnFalse;
+
+ // Handle mouse position
+ if (event.clientX !== null && event.clientX !== undefined) {
+ var doc = document_1.documentElement;
+ var body = document_1.body;
+
+ event.pageX = event.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc && doc.clientLeft || body && body.clientLeft || 0);
+ event.pageY = event.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc && doc.clientTop || body && body.clientTop || 0);
+ }
+
+ // Handle key presses
+ event.which = event.charCode || event.keyCode;
+
+ // Fix button for mouse clicks:
+ // 0 == left; 1 == middle; 2 == right
+ if (event.button !== null && event.button !== undefined) {
+
+ // The following is disabled because it does not pass videojs-standard
+ // and... yikes.
+ /* eslint-disable */
+ event.button = event.button & 1 ? 0 : event.button & 4 ? 1 : event.button & 2 ? 2 : 0;
+ /* eslint-enable */
+ }
+ }
+
+ // Returns fixed-up instance
+ return event;
+}
+
+/**
+ * Whether passive event listeners are supported
+ */
+var _supportsPassive = false;
+
+(function () {
+ try {
+ var opts = Object.defineProperty({}, 'passive', {
+ get: function get() {
+ _supportsPassive = true;
+ }
+ });
+
+ window_1.addEventListener('test', null, opts);
+ window_1.removeEventListener('test', null, opts);
+ } catch (e) {
+ // disregard
+ }
+})();
+
+/**
+ * Touch events Chrome expects to be passive
+ */
+var passiveEvents = ['touchstart', 'touchmove'];
+
+/**
+ * Add an event listener to element
+ * It stores the handler function in a separate cache object
+ * and adds a generic handler to the element's event,
+ * along with a unique id (guid) to the element.
+ *
+ * @param {Element|Object} elem
+ * Element or object to bind listeners to
+ *
+ * @param {string|string[]} type
+ * Type of event to bind to.
+ *
+ * @param {EventTarget~EventListener} fn
+ * Event listener.
+ */
+function on(elem, type, fn) {
+ if (Array.isArray(type)) {
+ return _handleMultipleEvents(on, elem, type, fn);
+ }
+
+ var data = getData(elem);
+
+ // We need a place to store all our handler data
+ if (!data.handlers) {
+ data.handlers = {};
+ }
+
+ if (!data.handlers[type]) {
+ data.handlers[type] = [];
+ }
+
+ if (!fn.guid) {
+ fn.guid = newGUID();
+ }
+
+ data.handlers[type].push(fn);
+
+ if (!data.dispatcher) {
+ data.disabled = false;
+
+ data.dispatcher = function (event, hash) {
+
+ if (data.disabled) {
+ return;
+ }
+
+ event = fixEvent(event);
+
+ var handlers = data.handlers[event.type];
+
+ if (handlers) {
+ // Copy handlers so if handlers are added/removed during the process it doesn't throw everything off.
+ var handlersCopy = handlers.slice(0);
+
+ for (var m = 0, n = handlersCopy.length; m < n; m++) {
+ if (event.isImmediatePropagationStopped()) {
+ break;
+ } else {
+ try {
+ handlersCopy[m].call(elem, event, hash);
+ } catch (e) {
+ log$1.error(e);
+ }
+ }
+ }
+ }
+ };
+ }
+
+ if (data.handlers[type].length === 1) {
+ if (elem.addEventListener) {
+ var options = false;
+
+ if (_supportsPassive && passiveEvents.indexOf(type) > -1) {
+ options = { passive: true };
+ }
+ elem.addEventListener(type, data.dispatcher, options);
+ } else if (elem.attachEvent) {
+ elem.attachEvent('on' + type, data.dispatcher);
+ }
+ }
+}
+
+/**
+ * Removes event listeners from an element
+ *
+ * @param {Element|Object} elem
+ * Object to remove listeners from.
+ *
+ * @param {string|string[]} [type]
+ * Type of listener to remove. Don't include to remove all events from element.
+ *
+ * @param {EventTarget~EventListener} [fn]
+ * Specific listener to remove. Don't include to remove listeners for an event
+ * type.
+ */
+function off(elem, type, fn) {
+ // Don't want to add a cache object through getElData if not needed
+ if (!hasData(elem)) {
+ return;
+ }
+
+ var data = getData(elem);
+
+ // If no events exist, nothing to unbind
+ if (!data.handlers) {
+ return;
+ }
+
+ if (Array.isArray(type)) {
+ return _handleMultipleEvents(off, elem, type, fn);
+ }
+
+ // Utility function
+ var removeType = function removeType(el, t) {
+ data.handlers[t] = [];
+ _cleanUpEvents(el, t);
+ };
+
+ // Are we removing all bound events?
+ if (type === undefined) {
+ for (var t in data.handlers) {
+ if (Object.prototype.hasOwnProperty.call(data.handlers || {}, t)) {
+ removeType(elem, t);
+ }
+ }
+ return;
+ }
+
+ var handlers = data.handlers[type];
+
+ // If no handlers exist, nothing to unbind
+ if (!handlers) {
+ return;
+ }
+
+ // If no listener was provided, remove all listeners for type
+ if (!fn) {
+ removeType(elem, type);
+ return;
+ }
+
+ // We're only removing a single handler
+ if (fn.guid) {
+ for (var n = 0; n < handlers.length; n++) {
+ if (handlers[n].guid === fn.guid) {
+ handlers.splice(n--, 1);
+ }
+ }
+ }
+
+ _cleanUpEvents(elem, type);
+}
+
+/**
+ * Trigger an event for an element
+ *
+ * @param {Element|Object} elem
+ * Element to trigger an event on
+ *
+ * @param {EventTarget~Event|string} event
+ * A string (the type) or an event object with a type attribute
+ *
+ * @param {Object} [hash]
+ * data hash to pass along with the event
+ *
+ * @return {boolean|undefined}
+ * - Returns the opposite of `defaultPrevented` if default was prevented
+ * - Otherwise returns undefined
+ */
+function trigger(elem, event, hash) {
+ // Fetches element data and a reference to the parent (for bubbling).
+ // Don't want to add a data object to cache for every parent,
+ // so checking hasElData first.
+ var elemData = hasData(elem) ? getData(elem) : {};
+ var parent = elem.parentNode || elem.ownerDocument;
+ // type = event.type || event,
+ // handler;
+
+ // If an event name was passed as a string, creates an event out of it
+ if (typeof event === 'string') {
+ event = { type: event, target: elem };
+ } else if (!event.target) {
+ event.target = elem;
+ }
+
+ // Normalizes the event properties.
+ event = fixEvent(event);
+
+ // If the passed element has a dispatcher, executes the established handlers.
+ if (elemData.dispatcher) {
+ elemData.dispatcher.call(elem, event, hash);
+ }
+
+ // Unless explicitly stopped or the event does not bubble (e.g. media events)
+ // recursively calls this function to bubble the event up the DOM.
+ if (parent && !event.isPropagationStopped() && event.bubbles === true) {
+ trigger.call(null, parent, event, hash);
+
+ // If at the top of the DOM, triggers the default action unless disabled.
+ } else if (!parent && !event.defaultPrevented) {
+ var targetData = getData(event.target);
+
+ // Checks if the target has a default action for this event.
+ if (event.target[event.type]) {
+ // Temporarily disables event dispatching on the target as we have already executed the handler.
+ targetData.disabled = true;
+ // Executes the default action.
+ if (typeof event.target[event.type] === 'function') {
+ event.target[event.type]();
+ }
+ // Re-enables event dispatching.
+ targetData.disabled = false;
+ }
+ }
+
+ // Inform the triggerer if the default was prevented by returning false
+ return !event.defaultPrevented;
+}
+
+/**
+ * Trigger a listener only once for an event
+ *
+ * @param {Element|Object} elem
+ * Element or object to bind to.
+ *
+ * @param {string|string[]} type
+ * Name/type of event
+ *
+ * @param {Event~EventListener} fn
+ * Event Listener function
+ */
+function one(elem, type, fn) {
+ if (Array.isArray(type)) {
+ return _handleMultipleEvents(one, elem, type, fn);
+ }
+ var func = function func() {
+ off(elem, type, func);
+ fn.apply(this, arguments);
+ };
+
+ // copy the guid to the new function so it can removed using the original function's ID
+ func.guid = fn.guid = fn.guid || newGUID();
+ on(elem, type, func);
+}
+
+var Events = (Object.freeze || Object)({
+ fixEvent: fixEvent,
+ on: on,
+ off: off,
+ trigger: trigger,
+ one: one
+});
+
+/**
+ * @file setup.js - Functions for setting up a player without
+ * user interaction based on the data-setup `attribute` of the video tag.
+ *
+ * @module setup
+ */
+var _windowLoaded = false;
+var videojs$2 = void 0;
+
+/**
+ * Set up any tags that have a data-setup `attribute` when the player is started.
+ */
+var autoSetup = function autoSetup() {
+
+ // Protect against breakage in non-browser environments.
+ if (!isReal()) {
+ return;
+ }
+
+ // One day, when we stop supporting IE8, go back to this, but in the meantime...*hack hack hack*
+ // var vids = Array.prototype.slice.call(document.getElementsByTagName('video'));
+ // var audios = Array.prototype.slice.call(document.getElementsByTagName('audio'));
+ // var mediaEls = vids.concat(audios);
+
+ // Because IE8 doesn't support calling slice on a node list, we need to loop
+ // through each list of elements to build up a new, combined list of elements.
+ var vids = document_1.getElementsByTagName('video');
+ var audios = document_1.getElementsByTagName('audio');
+ var divs = document_1.getElementsByTagName('video-js');
+ var mediaEls = [];
+
+ if (vids && vids.length > 0) {
+ for (var i = 0, e = vids.length; i < e; i++) {
+ mediaEls.push(vids[i]);
+ }
+ }
+
+ if (audios && audios.length > 0) {
+ for (var _i = 0, _e = audios.length; _i < _e; _i++) {
+ mediaEls.push(audios[_i]);
+ }
+ }
+
+ if (divs && divs.length > 0) {
+ for (var _i2 = 0, _e2 = divs.length; _i2 < _e2; _i2++) {
+ mediaEls.push(divs[_i2]);
+ }
+ }
+
+ // Check if any media elements exist
+ if (mediaEls && mediaEls.length > 0) {
+
+ for (var _i3 = 0, _e3 = mediaEls.length; _i3 < _e3; _i3++) {
+ var mediaEl = mediaEls[_i3];
+
+ // Check if element exists, has getAttribute func.
+ // IE seems to consider typeof el.getAttribute == 'object' instead of
+ // 'function' like expected, at least when loading the player immediately.
+ if (mediaEl && mediaEl.getAttribute) {
+
+ // Make sure this player hasn't already been set up.
+ if (mediaEl.player === undefined) {
+ var options = mediaEl.getAttribute('data-setup');
+
+ // Check if data-setup attr exists.
+ // We only auto-setup if they've added the data-setup attr.
+ if (options !== null) {
+ // Create new video.js instance.
+ videojs$2(mediaEl);
+ }
+ }
+
+ // If getAttribute isn't defined, we need to wait for the DOM.
+ } else {
+ autoSetupTimeout(1);
+ break;
+ }
+ }
+
+ // No videos were found, so keep looping unless page is finished loading.
+ } else if (!_windowLoaded) {
+ autoSetupTimeout(1);
+ }
+};
+
+/**
+ * Wait until the page is loaded before running autoSetup. This will be called in
+ * autoSetup if `hasLoaded` returns false.
+ *
+ * @param {number} wait
+ * How long to wait in ms
+ *
+ * @param {module:videojs} [vjs]
+ * The videojs library function
+ */
+function autoSetupTimeout(wait, vjs) {
+ if (vjs) {
+ videojs$2 = vjs;
+ }
+
+ window_1.setTimeout(autoSetup, wait);
+}
+
+if (isReal() && document_1.readyState === 'complete') {
+ _windowLoaded = true;
+} else {
+ /**
+ * Listen for the load event on window, and set _windowLoaded to true.
+ *
+ * @listens load
+ */
+ one(window_1, 'load', function () {
+ _windowLoaded = true;
+ });
+}
+
+/**
+ * @file stylesheet.js
+ * @module stylesheet
+ */
+/**
+ * Create a DOM syle element given a className for it.
+ *
+ * @param {string} className
+ * The className to add to the created style element.
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+var createStyleElement = function createStyleElement(className) {
+ var style = document_1.createElement('style');
+
+ style.className = className;
+
+ return style;
+};
+
+/**
+ * Add text to a DOM element.
+ *
+ * @param {Element} el
+ * The Element to add text content to.
+ *
+ * @param {string} content
+ * The text to add to the element.
+ */
+var setTextContent = function setTextContent(el, content) {
+ if (el.styleSheet) {
+ el.styleSheet.cssText = content;
+ } else {
+ el.textContent = content;
+ }
+};
+
+/**
+ * @file fn.js
+ * @module fn
+ */
+/**
+ * Bind (a.k.a proxy or Context). A simple method for changing the context of a function
+ * It also stores a unique id on the function so it can be easily removed from events.
+ *
+ * @param {Mixed} context
+ * The object to bind as scope.
+ *
+ * @param {Function} fn
+ * The function to be bound to a scope.
+ *
+ * @param {number} [uid]
+ * An optional unique ID for the function to be set
+ *
+ * @return {Function}
+ * The new function that will be bound into the context given
+ */
+var bind = function bind(context, fn, uid) {
+ // Make sure the function has a unique ID
+ if (!fn.guid) {
+ fn.guid = newGUID();
+ }
+
+ // Create the new function that changes the context
+ var bound = function bound() {
+ return fn.apply(context, arguments);
+ };
+
+ // Allow for the ability to individualize this function
+ // Needed in the case where multiple objects might share the same prototype
+ // IF both items add an event listener with the same function, then you try to remove just one
+ // it will remove both because they both have the same guid.
+ // when using this, you need to use the bind method when you remove the listener as well.
+ // currently used in text tracks
+ bound.guid = uid ? uid + '_' + fn.guid : fn.guid;
+
+ return bound;
+};
+
+/**
+ * Wraps the given function, `fn`, with a new function that only invokes `fn`
+ * at most once per every `wait` milliseconds.
+ *
+ * @param {Function} fn
+ * The function to be throttled.
+ *
+ * @param {Number} wait
+ * The number of milliseconds by which to throttle.
+ *
+ * @return {Function}
+ */
+var throttle = function throttle(fn, wait) {
+ var last = Date.now();
+
+ var throttled = function throttled() {
+ var now = Date.now();
+
+ if (now - last >= wait) {
+ fn.apply(undefined, arguments);
+ last = now;
+ }
+ };
+
+ return throttled;
+};
+
+/**
+ * Creates a debounced function that delays invoking `func` until after `wait`
+ * milliseconds have elapsed since the last time the debounced function was
+ * invoked.
+ *
+ * Inspired by lodash and underscore implementations.
+ *
+ * @param {Function} func
+ * The function to wrap with debounce behavior.
+ *
+ * @param {number} wait
+ * The number of milliseconds to wait after the last invocation.
+ *
+ * @param {boolean} [immediate]
+ * Whether or not to invoke the function immediately upon creation.
+ *
+ * @param {Object} [context=window]
+ * The "context" in which the debounced function should debounce. For
+ * example, if this function should be tied to a Video.js player,
+ * the player can be passed here. Alternatively, defaults to the
+ * global `window` object.
+ *
+ * @return {Function}
+ * A debounced function.
+ */
+var debounce = function debounce(func, wait, immediate) {
+ var context = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : window_1;
+
+ var timeout = void 0;
+
+ /* eslint-disable consistent-this */
+ return function () {
+ var self = this;
+ var args = arguments;
+
+ var _later = function later() {
+ timeout = null;
+ _later = null;
+ if (!immediate) {
+ func.apply(self, args);
+ }
+ };
+
+ if (!timeout && immediate) {
+ func.apply(self, args);
+ }
+
+ context.clearTimeout(timeout);
+ timeout = context.setTimeout(_later, wait);
+ };
+ /* eslint-enable consistent-this */
+};
+
+/**
+ * @file src/js/event-target.js
+ */
+/**
+ * `EventTarget` is a class that can have the same API as the DOM `EventTarget`. It
+ * adds shorthand functions that wrap around lengthy functions. For example:
+ * the `on` function is a wrapper around `addEventListener`.
+ *
+ * @see [EventTarget Spec]{@link https://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-EventTarget}
+ * @class EventTarget
+ */
+var EventTarget = function EventTarget() {};
+
+/**
+ * A Custom DOM event.
+ *
+ * @typedef {Object} EventTarget~Event
+ * @see [Properties]{@link https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent}
+ */
+
+/**
+ * All event listeners should follow the following format.
+ *
+ * @callback EventTarget~EventListener
+ * @this {EventTarget}
+ *
+ * @param {EventTarget~Event} event
+ * the event that triggered this function
+ *
+ * @param {Object} [hash]
+ * hash of data sent during the event
+ */
+
+/**
+ * An object containing event names as keys and booleans as values.
+ *
+ * > NOTE: If an event name is set to a true value here {@link EventTarget#trigger}
+ * will have extra functionality. See that function for more information.
+ *
+ * @property EventTarget.prototype.allowedEvents_
+ * @private
+ */
+EventTarget.prototype.allowedEvents_ = {};
+
+/**
+ * Adds an `event listener` to an instance of an `EventTarget`. An `event listener` is a
+ * function that will get called when an event with a certain name gets triggered.
+ *
+ * @param {string|string[]} type
+ * An event name or an array of event names.
+ *
+ * @param {EventTarget~EventListener} fn
+ * The function to call with `EventTarget`s
+ */
+EventTarget.prototype.on = function (type, fn) {
+ // Remove the addEventListener alias before calling Events.on
+ // so we don't get into an infinite type loop
+ var ael = this.addEventListener;
+
+ this.addEventListener = function () {};
+ on(this, type, fn);
+ this.addEventListener = ael;
+};
+
+/**
+ * An alias of {@link EventTarget#on}. Allows `EventTarget` to mimic
+ * the standard DOM API.
+ *
+ * @function
+ * @see {@link EventTarget#on}
+ */
+EventTarget.prototype.addEventListener = EventTarget.prototype.on;
+
+/**
+ * Removes an `event listener` for a specific event from an instance of `EventTarget`.
+ * This makes it so that the `event listener` will no longer get called when the
+ * named event happens.
+ *
+ * @param {string|string[]} type
+ * An event name or an array of event names.
+ *
+ * @param {EventTarget~EventListener} fn
+ * The function to remove.
+ */
+EventTarget.prototype.off = function (type, fn) {
+ off(this, type, fn);
+};
+
+/**
+ * An alias of {@link EventTarget#off}. Allows `EventTarget` to mimic
+ * the standard DOM API.
+ *
+ * @function
+ * @see {@link EventTarget#off}
+ */
+EventTarget.prototype.removeEventListener = EventTarget.prototype.off;
+
+/**
+ * This function will add an `event listener` that gets triggered only once. After the
+ * first trigger it will get removed. This is like adding an `event listener`
+ * with {@link EventTarget#on} that calls {@link EventTarget#off} on itself.
+ *
+ * @param {string|string[]} type
+ * An event name or an array of event names.
+ *
+ * @param {EventTarget~EventListener} fn
+ * The function to be called once for each event name.
+ */
+EventTarget.prototype.one = function (type, fn) {
+ // Remove the addEventListener alialing Events.on
+ // so we don't get into an infinite type loop
+ var ael = this.addEventListener;
+
+ this.addEventListener = function () {};
+ one(this, type, fn);
+ this.addEventListener = ael;
+};
+
+/**
+ * This function causes an event to happen. This will then cause any `event listeners`
+ * that are waiting for that event, to get called. If there are no `event listeners`
+ * for an event then nothing will happen.
+ *
+ * If the name of the `Event` that is being triggered is in `EventTarget.allowedEvents_`.
+ * Trigger will also call the `on` + `uppercaseEventName` function.
+ *
+ * Example:
+ * 'click' is in `EventTarget.allowedEvents_`, so, trigger will attempt to call
+ * `onClick` if it exists.
+ *
+ * @param {string|EventTarget~Event|Object} event
+ * The name of the event, an `Event`, or an object with a key of type set to
+ * an event name.
+ */
+EventTarget.prototype.trigger = function (event) {
+ var type = event.type || event;
+
+ if (typeof event === 'string') {
+ event = { type: type };
+ }
+ event = fixEvent(event);
+
+ if (this.allowedEvents_[type] && this['on' + type]) {
+ this['on' + type](event);
+ }
+
+ trigger(this, event);
+};
+
+/**
+ * An alias of {@link EventTarget#trigger}. Allows `EventTarget` to mimic
+ * the standard DOM API.
+ *
+ * @function
+ * @see {@link EventTarget#trigger}
+ */
+EventTarget.prototype.dispatchEvent = EventTarget.prototype.trigger;
+
+/**
+ * @file mixins/evented.js
+ * @module evented
+ */
+/**
+ * Returns whether or not an object has had the evented mixin applied.
+ *
+ * @param {Object} object
+ * An object to test.
+ *
+ * @return {boolean}
+ * Whether or not the object appears to be evented.
+ */
+var isEvented = function isEvented(object) {
+ return object instanceof EventTarget || !!object.eventBusEl_ && ['on', 'one', 'off', 'trigger'].every(function (k) {
+ return typeof object[k] === 'function';
+ });
+};
+
+/**
+ * Whether a value is a valid event type - non-empty string or array.
+ *
+ * @private
+ * @param {string|Array} type
+ * The type value to test.
+ *
+ * @return {boolean}
+ * Whether or not the type is a valid event type.
+ */
+var isValidEventType = function isValidEventType(type) {
+ return (
+ // The regex here verifies that the `type` contains at least one non-
+ // whitespace character.
+ typeof type === 'string' && /\S/.test(type) || Array.isArray(type) && !!type.length
+ );
+};
+
+/**
+ * Validates a value to determine if it is a valid event target. Throws if not.
+ *
+ * @private
+ * @throws {Error}
+ * If the target does not appear to be a valid event target.
+ *
+ * @param {Object} target
+ * The object to test.
+ */
+var validateTarget = function validateTarget(target) {
+ if (!target.nodeName && !isEvented(target)) {
+ throw new Error('Invalid target; must be a DOM node or evented object.');
+ }
+};
+
+/**
+ * Validates a value to determine if it is a valid event target. Throws if not.
+ *
+ * @private
+ * @throws {Error}
+ * If the type does not appear to be a valid event type.
+ *
+ * @param {string|Array} type
+ * The type to test.
+ */
+var validateEventType = function validateEventType(type) {
+ if (!isValidEventType(type)) {
+ throw new Error('Invalid event type; must be a non-empty string or array.');
+ }
+};
+
+/**
+ * Validates a value to determine if it is a valid listener. Throws if not.
+ *
+ * @private
+ * @throws {Error}
+ * If the listener is not a function.
+ *
+ * @param {Function} listener
+ * The listener to test.
+ */
+var validateListener = function validateListener(listener) {
+ if (typeof listener !== 'function') {
+ throw new Error('Invalid listener; must be a function.');
+ }
+};
+
+/**
+ * Takes an array of arguments given to `on()` or `one()`, validates them, and
+ * normalizes them into an object.
+ *
+ * @private
+ * @param {Object} self
+ * The evented object on which `on()` or `one()` was called. This
+ * object will be bound as the `this` value for the listener.
+ *
+ * @param {Array} args
+ * An array of arguments passed to `on()` or `one()`.
+ *
+ * @return {Object}
+ * An object containing useful values for `on()` or `one()` calls.
+ */
+var normalizeListenArgs = function normalizeListenArgs(self, args) {
+
+ // If the number of arguments is less than 3, the target is always the
+ // evented object itself.
+ var isTargetingSelf = args.length < 3 || args[0] === self || args[0] === self.eventBusEl_;
+ var target = void 0;
+ var type = void 0;
+ var listener = void 0;
+
+ if (isTargetingSelf) {
+ target = self.eventBusEl_;
+
+ // Deal with cases where we got 3 arguments, but we are still listening to
+ // the evented object itself.
+ if (args.length >= 3) {
+ args.shift();
+ }
+
+ type = args[0];
+ listener = args[1];
+ } else {
+ target = args[0];
+ type = args[1];
+ listener = args[2];
+ }
+
+ validateTarget(target);
+ validateEventType(type);
+ validateListener(listener);
+
+ listener = bind(self, listener);
+
+ return { isTargetingSelf: isTargetingSelf, target: target, type: type, listener: listener };
+};
+
+/**
+ * Adds the listener to the event type(s) on the target, normalizing for
+ * the type of target.
+ *
+ * @private
+ * @param {Element|Object} target
+ * A DOM node or evented object.
+ *
+ * @param {string} method
+ * The event binding method to use ("on" or "one").
+ *
+ * @param {string|Array} type
+ * One or more event type(s).
+ *
+ * @param {Function} listener
+ * A listener function.
+ */
+var listen = function listen(target, method, type, listener) {
+ validateTarget(target);
+
+ if (target.nodeName) {
+ Events[method](target, type, listener);
+ } else {
+ target[method](type, listener);
+ }
+};
+
+/**
+ * Contains methods that provide event capabilites to an object which is passed
+ * to {@link module:evented|evented}.
+ *
+ * @mixin EventedMixin
+ */
+var EventedMixin = {
+
+ /**
+ * Add a listener to an event (or events) on this object or another evented
+ * object.
+ *
+ * @param {string|Array|Element|Object} targetOrType
+ * If this is a string or array, it represents the event type(s)
+ * that will trigger the listener.
+ *
+ * Another evented object can be passed here instead, which will
+ * cause the listener to listen for events on _that_ object.
+ *
+ * In either case, the listener's `this` value will be bound to
+ * this object.
+ *
+ * @param {string|Array|Function} typeOrListener
+ * If the first argument was a string or array, this should be the
+ * listener function. Otherwise, this is a string or array of event
+ * type(s).
+ *
+ * @param {Function} [listener]
+ * If the first argument was another evented object, this will be
+ * the listener function.
+ */
+ on: function on$$1() {
+ var _this = this;
+
+ for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+ args[_key] = arguments[_key];
+ }
+
+ var _normalizeListenArgs = normalizeListenArgs(this, args),
+ isTargetingSelf = _normalizeListenArgs.isTargetingSelf,
+ target = _normalizeListenArgs.target,
+ type = _normalizeListenArgs.type,
+ listener = _normalizeListenArgs.listener;
+
+ listen(target, 'on', type, listener);
+
+ // If this object is listening to another evented object.
+ if (!isTargetingSelf) {
+
+ // If this object is disposed, remove the listener.
+ var removeListenerOnDispose = function removeListenerOnDispose() {
+ return _this.off(target, type, listener);
+ };
+
+ // Use the same function ID as the listener so we can remove it later it
+ // using the ID of the original listener.
+ removeListenerOnDispose.guid = listener.guid;
+
+ // Add a listener to the target's dispose event as well. This ensures
+ // that if the target is disposed BEFORE this object, we remove the
+ // removal listener that was just added. Otherwise, we create a memory leak.
+ var removeRemoverOnTargetDispose = function removeRemoverOnTargetDispose() {
+ return _this.off('dispose', removeListenerOnDispose);
+ };
+
+ // Use the same function ID as the listener so we can remove it later
+ // it using the ID of the original listener.
+ removeRemoverOnTargetDispose.guid = listener.guid;
+
+ listen(this, 'on', 'dispose', removeListenerOnDispose);
+ listen(target, 'on', 'dispose', removeRemoverOnTargetDispose);
+ }
+ },
+
+
+ /**
+ * Add a listener to an event (or events) on this object or another evented
+ * object. The listener will only be called once and then removed.
+ *
+ * @param {string|Array|Element|Object} targetOrType
+ * If this is a string or array, it represents the event type(s)
+ * that will trigger the listener.
+ *
+ * Another evented object can be passed here instead, which will
+ * cause the listener to listen for events on _that_ object.
+ *
+ * In either case, the listener's `this` value will be bound to
+ * this object.
+ *
+ * @param {string|Array|Function} typeOrListener
+ * If the first argument was a string or array, this should be the
+ * listener function. Otherwise, this is a string or array of event
+ * type(s).
+ *
+ * @param {Function} [listener]
+ * If the first argument was another evented object, this will be
+ * the listener function.
+ */
+ one: function one$$1() {
+ var _this2 = this;
+
+ for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
+ args[_key2] = arguments[_key2];
+ }
+
+ var _normalizeListenArgs2 = normalizeListenArgs(this, args),
+ isTargetingSelf = _normalizeListenArgs2.isTargetingSelf,
+ target = _normalizeListenArgs2.target,
+ type = _normalizeListenArgs2.type,
+ listener = _normalizeListenArgs2.listener;
+
+ // Targeting this evented object.
+
+
+ if (isTargetingSelf) {
+ listen(target, 'one', type, listener);
+
+ // Targeting another evented object.
+ } else {
+ var wrapper = function wrapper() {
+ for (var _len3 = arguments.length, largs = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
+ largs[_key3] = arguments[_key3];
+ }
+
+ _this2.off(target, type, wrapper);
+ listener.apply(null, largs);
+ };
+
+ // Use the same function ID as the listener so we can remove it later
+ // it using the ID of the original listener.
+ wrapper.guid = listener.guid;
+ listen(target, 'one', type, wrapper);
+ }
+ },
+
+
+ /**
+ * Removes listener(s) from event(s) on an evented object.
+ *
+ * @param {string|Array|Element|Object} [targetOrType]
+ * If this is a string or array, it represents the event type(s).
+ *
+ * Another evented object can be passed here instead, in which case
+ * ALL 3 arguments are _required_.
+ *
+ * @param {string|Array|Function} [typeOrListener]
+ * If the first argument was a string or array, this may be the
+ * listener function. Otherwise, this is a string or array of event
+ * type(s).
+ *
+ * @param {Function} [listener]
+ * If the first argument was another evented object, this will be
+ * the listener function; otherwise, _all_ listeners bound to the
+ * event type(s) will be removed.
+ */
+ off: function off$$1(targetOrType, typeOrListener, listener) {
+
+ // Targeting this evented object.
+ if (!targetOrType || isValidEventType(targetOrType)) {
+ off(this.eventBusEl_, targetOrType, typeOrListener);
+
+ // Targeting another evented object.
+ } else {
+ var target = targetOrType;
+ var type = typeOrListener;
+
+ // Fail fast and in a meaningful way!
+ validateTarget(target);
+ validateEventType(type);
+ validateListener(listener);
+
+ // Ensure there's at least a guid, even if the function hasn't been used
+ listener = bind(this, listener);
+
+ // Remove the dispose listener on this evented object, which was given
+ // the same guid as the event listener in on().
+ this.off('dispose', listener);
+
+ if (target.nodeName) {
+ off(target, type, listener);
+ off(target, 'dispose', listener);
+ } else if (isEvented(target)) {
+ target.off(type, listener);
+ target.off('dispose', listener);
+ }
+ }
+ },
+
+
+ /**
+ * Fire an event on this evented object, causing its listeners to be called.
+ *
+ * @param {string|Object} event
+ * An event type or an object with a type property.
+ *
+ * @param {Object} [hash]
+ * An additional object to pass along to listeners.
+ *
+ * @returns {boolean}
+ * Whether or not the default behavior was prevented.
+ */
+ trigger: function trigger$$1(event, hash) {
+ return trigger(this.eventBusEl_, event, hash);
+ }
+};
+
+/**
+ * Applies {@link module:evented~EventedMixin|EventedMixin} to a target object.
+ *
+ * @param {Object} target
+ * The object to which to add event methods.
+ *
+ * @param {Object} [options={}]
+ * Options for customizing the mixin behavior.
+ *
+ * @param {String} [options.eventBusKey]
+ * By default, adds a `eventBusEl_` DOM element to the target object,
+ * which is used as an event bus. If the target object already has a
+ * DOM element that should be used, pass its key here.
+ *
+ * @return {Object}
+ * The target object.
+ */
+function evented(target) {
+ var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ var eventBusKey = options.eventBusKey;
+
+ // Set or create the eventBusEl_.
+
+ if (eventBusKey) {
+ if (!target[eventBusKey].nodeName) {
+ throw new Error('The eventBusKey "' + eventBusKey + '" does not refer to an element.');
+ }
+ target.eventBusEl_ = target[eventBusKey];
+ } else {
+ target.eventBusEl_ = createEl('span', { className: 'vjs-event-bus' });
+ }
+
+ assign(target, EventedMixin);
+
+ // When any evented object is disposed, it removes all its listeners.
+ target.on('dispose', function () {
+ target.off();
+ window_1.setTimeout(function () {
+ target.eventBusEl_ = null;
+ }, 0);
+ });
+
+ return target;
+}
+
+/**
+ * @file mixins/stateful.js
+ * @module stateful
+ */
+/**
+ * Contains methods that provide statefulness to an object which is passed
+ * to {@link module:stateful}.
+ *
+ * @mixin StatefulMixin
+ */
+var StatefulMixin = {
+
+ /**
+ * A hash containing arbitrary keys and values representing the state of
+ * the object.
+ *
+ * @type {Object}
+ */
+ state: {},
+
+ /**
+ * Set the state of an object by mutating its
+ * {@link module:stateful~StatefulMixin.state|state} object in place.
+ *
+ * @fires module:stateful~StatefulMixin#statechanged
+ * @param {Object|Function} stateUpdates
+ * A new set of properties to shallow-merge into the plugin state.
+ * Can be a plain object or a function returning a plain object.
+ *
+ * @returns {Object|undefined}
+ * An object containing changes that occurred. If no changes
+ * occurred, returns `undefined`.
+ */
+ setState: function setState(stateUpdates) {
+ var _this = this;
+
+ // Support providing the `stateUpdates` state as a function.
+ if (typeof stateUpdates === 'function') {
+ stateUpdates = stateUpdates();
+ }
+
+ var changes = void 0;
+
+ each(stateUpdates, function (value, key) {
+
+ // Record the change if the value is different from what's in the
+ // current state.
+ if (_this.state[key] !== value) {
+ changes = changes || {};
+ changes[key] = {
+ from: _this.state[key],
+ to: value
+ };
+ }
+
+ _this.state[key] = value;
+ });
+
+ // Only trigger "statechange" if there were changes AND we have a trigger
+ // function. This allows us to not require that the target object be an
+ // evented object.
+ if (changes && isEvented(this)) {
+
+ /**
+ * An event triggered on an object that is both
+ * {@link module:stateful|stateful} and {@link module:evented|evented}
+ * indicating that its state has changed.
+ *
+ * @event module:stateful~StatefulMixin#statechanged
+ * @type {Object}
+ * @property {Object} changes
+ * A hash containing the properties that were changed and
+ * the values they were changed `from` and `to`.
+ */
+ this.trigger({
+ changes: changes,
+ type: 'statechanged'
+ });
+ }
+
+ return changes;
+ }
+};
+
+/**
+ * Applies {@link module:stateful~StatefulMixin|StatefulMixin} to a target
+ * object.
+ *
+ * If the target object is {@link module:evented|evented} and has a
+ * `handleStateChanged` method, that method will be automatically bound to the
+ * `statechanged` event on itself.
+ *
+ * @param {Object} target
+ * The object to be made stateful.
+ *
+ * @param {Object} [defaultState]
+ * A default set of properties to populate the newly-stateful object's
+ * `state` property.
+ *
+ * @returns {Object}
+ * Returns the `target`.
+ */
+function stateful(target, defaultState) {
+ assign(target, StatefulMixin);
+
+ // This happens after the mixing-in because we need to replace the `state`
+ // added in that step.
+ target.state = assign({}, target.state, defaultState);
+
+ // Auto-bind the `handleStateChanged` method of the target object if it exists.
+ if (typeof target.handleStateChanged === 'function' && isEvented(target)) {
+ target.on('statechanged', target.handleStateChanged);
+ }
+
+ return target;
+}
+
+/**
+ * @file to-title-case.js
+ * @module to-title-case
+ */
+
+/**
+ * Uppercase the first letter of a string.
+ *
+ * @param {string} string
+ * String to be uppercased
+ *
+ * @return {string}
+ * The string with an uppercased first letter
+ */
+function toTitleCase(string) {
+ if (typeof string !== 'string') {
+ return string;
+ }
+
+ return string.charAt(0).toUpperCase() + string.slice(1);
+}
+
+/**
+ * Compares the TitleCase versions of the two strings for equality.
+ *
+ * @param {string} str1
+ * The first string to compare
+ *
+ * @param {string} str2
+ * The second string to compare
+ *
+ * @return {boolean}
+ * Whether the TitleCase versions of the strings are equal
+ */
+function titleCaseEquals(str1, str2) {
+ return toTitleCase(str1) === toTitleCase(str2);
+}
+
+/**
+ * @file merge-options.js
+ * @module merge-options
+ */
+/**
+ * Deep-merge one or more options objects, recursively merging **only** plain
+ * object properties.
+ *
+ * @param {Object[]} sources
+ * One or more objects to merge into a new object.
+ *
+ * @returns {Object}
+ * A new object that is the merged result of all sources.
+ */
+function mergeOptions() {
+ var result = {};
+
+ for (var _len = arguments.length, sources = Array(_len), _key = 0; _key < _len; _key++) {
+ sources[_key] = arguments[_key];
+ }
+
+ sources.forEach(function (source) {
+ if (!source) {
+ return;
+ }
+
+ each(source, function (value, key) {
+ if (!isPlain(value)) {
+ result[key] = value;
+ return;
+ }
+
+ if (!isPlain(result[key])) {
+ result[key] = {};
+ }
+
+ result[key] = mergeOptions(result[key], value);
+ });
+ });
+
+ return result;
+}
+
+/**
+ * Player Component - Base class for all UI objects
+ *
+ * @file component.js
+ */
+/**
+ * Base class for all UI Components.
+ * Components are UI objects which represent both a javascript object and an element
+ * in the DOM. They can be children of other components, and can have
+ * children themselves.
+ *
+ * Components can also use methods from {@link EventTarget}
+ */
+
+var Component = function () {
+
+ /**
+ * A callback that is called when a component is ready. Does not have any
+ * paramters and any callback value will be ignored.
+ *
+ * @callback Component~ReadyCallback
+ * @this Component
+ */
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ *
+ * @param {Object[]} [options.children]
+ * An array of children objects to intialize this component with. Children objects have
+ * a name property that will be used if more than one component of the same type needs to be
+ * added.
+ *
+ * @param {Component~ReadyCallback} [ready]
+ * Function that gets called when the `Component` is ready.
+ */
+ function Component(player, options, ready) {
+ classCallCheck(this, Component);
+
+
+ // The component might be the player itself and we can't pass `this` to super
+ if (!player && this.play) {
+ this.player_ = player = this; // eslint-disable-line
+ } else {
+ this.player_ = player;
+ }
+
+ // Make a copy of prototype.options_ to protect against overriding defaults
+ this.options_ = mergeOptions({}, this.options_);
+
+ // Updated options with supplied options
+ options = this.options_ = mergeOptions(this.options_, options);
+
+ // Get ID from options or options element if one is supplied
+ this.id_ = options.id || options.el && options.el.id;
+
+ // If there was no ID from the options, generate one
+ if (!this.id_) {
+ // Don't require the player ID function in the case of mock players
+ var id = player && player.id && player.id() || 'no_player';
+
+ this.id_ = id + '_component_' + newGUID();
+ }
+
+ this.name_ = options.name || null;
+
+ // Create element if one wasn't provided in options
+ if (options.el) {
+ this.el_ = options.el;
+ } else if (options.createEl !== false) {
+ this.el_ = this.createEl();
+ }
+
+ // if evented is anything except false, we want to mixin in evented
+ if (options.evented !== false) {
+ // Make this an evented object and use `el_`, if available, as its event bus
+ evented(this, { eventBusKey: this.el_ ? 'el_' : null });
+ }
+ stateful(this, this.constructor.defaultState);
+
+ this.children_ = [];
+ this.childIndex_ = {};
+ this.childNameIndex_ = {};
+
+ // Add any child components in options
+ if (options.initChildren !== false) {
+ this.initChildren();
+ }
+
+ this.ready(ready);
+ // Don't want to trigger ready here or it will before init is actually
+ // finished for all children that run this constructor
+
+ if (options.reportTouchActivity !== false) {
+ this.enableTouchActivity();
+ }
+ }
+
+ /**
+ * Dispose of the `Component` and all child components.
+ *
+ * @fires Component#dispose
+ */
+
+
+ Component.prototype.dispose = function dispose() {
+
+ /**
+ * Triggered when a `Component` is disposed.
+ *
+ * @event Component#dispose
+ * @type {EventTarget~Event}
+ *
+ * @property {boolean} [bubbles=false]
+ * set to false so that the close event does not
+ * bubble up
+ */
+ this.trigger({ type: 'dispose', bubbles: false });
+
+ // Dispose all children.
+ if (this.children_) {
+ for (var i = this.children_.length - 1; i >= 0; i--) {
+ if (this.children_[i].dispose) {
+ this.children_[i].dispose();
+ }
+ }
+ }
+
+ // Delete child references
+ this.children_ = null;
+ this.childIndex_ = null;
+ this.childNameIndex_ = null;
+
+ if (this.el_) {
+ // Remove element from DOM
+ if (this.el_.parentNode) {
+ this.el_.parentNode.removeChild(this.el_);
+ }
+
+ removeData(this.el_);
+ this.el_ = null;
+ }
+
+ // remove reference to the player after disposing of the element
+ this.player_ = null;
+ };
+
+ /**
+ * Return the {@link Player} that the `Component` has attached to.
+ *
+ * @return {Player}
+ * The player that this `Component` has attached to.
+ */
+
+
+ Component.prototype.player = function player() {
+ return this.player_;
+ };
+
+ /**
+ * Deep merge of options objects with new options.
+ * > Note: When both `obj` and `options` contain properties whose values are objects.
+ * The two properties get merged using {@link module:mergeOptions}
+ *
+ * @param {Object} obj
+ * The object that contains new options.
+ *
+ * @return {Object}
+ * A new object of `this.options_` and `obj` merged together.
+ *
+ * @deprecated since version 5
+ */
+
+
+ Component.prototype.options = function options(obj) {
+ log$1.warn('this.options() has been deprecated and will be moved to the constructor in 6.0');
+
+ if (!obj) {
+ return this.options_;
+ }
+
+ this.options_ = mergeOptions(this.options_, obj);
+ return this.options_;
+ };
+
+ /**
+ * Get the `Component`s DOM element
+ *
+ * @return {Element}
+ * The DOM element for this `Component`.
+ */
+
+
+ Component.prototype.el = function el() {
+ return this.el_;
+ };
+
+ /**
+ * Create the `Component`s DOM element.
+ *
+ * @param {string} [tagName]
+ * Element's DOM node type. e.g. 'div'
+ *
+ * @param {Object} [properties]
+ * An object of properties that should be set.
+ *
+ * @param {Object} [attributes]
+ * An object of attributes that should be set.
+ *
+ * @return {Element}
+ * The element that gets created.
+ */
+
+
+ Component.prototype.createEl = function createEl$$1(tagName, properties, attributes) {
+ return createEl(tagName, properties, attributes);
+ };
+
+ /**
+ * Localize a string given the string in english.
+ *
+ * If tokens are provided, it'll try and run a simple token replacement on the provided string.
+ * The tokens it loooks for look like `{1}` with the index being 1-indexed into the tokens array.
+ *
+ * If a `defaultValue` is provided, it'll use that over `string`,
+ * if a value isn't found in provided language files.
+ * This is useful if you want to have a descriptive key for token replacement
+ * but have a succinct localized string and not require `en.json` to be included.
+ *
+ * Currently, it is used for the progress bar timing.
+ * ```js
+ * {
+ * "progress bar timing: currentTime={1} duration={2}": "{1} of {2}"
+ * }
+ * ```
+ * It is then used like so:
+ * ```js
+ * this.localize('progress bar timing: currentTime={1} duration{2}',
+ * [this.player_.currentTime(), this.player_.duration()],
+ * '{1} of {2}');
+ * ```
+ *
+ * Which outputs something like: `01:23 of 24:56`.
+ *
+ *
+ * @param {string} string
+ * The string to localize and the key to lookup in the language files.
+ * @param {string[]} [tokens]
+ * If the current item has token replacements, provide the tokens here.
+ * @param {string} [defaultValue]
+ * Defaults to `string`. Can be a default value to use for token replacement
+ * if the lookup key is needed to be separate.
+ *
+ * @return {string}
+ * The localized string or if no localization exists the english string.
+ */
+
+
+ Component.prototype.localize = function localize(string, tokens) {
+ var defaultValue = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : string;
+
+ var code = this.player_.language && this.player_.language();
+ var languages = this.player_.languages && this.player_.languages();
+ var language = languages && languages[code];
+ var primaryCode = code && code.split('-')[0];
+ var primaryLang = languages && languages[primaryCode];
+
+ var localizedString = defaultValue;
+
+ if (language && language[string]) {
+ localizedString = language[string];
+ } else if (primaryLang && primaryLang[string]) {
+ localizedString = primaryLang[string];
+ }
+
+ if (tokens) {
+ localizedString = localizedString.replace(/\{(\d+)\}/g, function (match, index) {
+ var value = tokens[index - 1];
+ var ret = value;
+
+ if (typeof value === 'undefined') {
+ ret = match;
+ }
+
+ return ret;
+ });
+ }
+
+ return localizedString;
+ };
+
+ /**
+ * Return the `Component`s DOM element. This is where children get inserted.
+ * This will usually be the the same as the element returned in {@link Component#el}.
+ *
+ * @return {Element}
+ * The content element for this `Component`.
+ */
+
+
+ Component.prototype.contentEl = function contentEl() {
+ return this.contentEl_ || this.el_;
+ };
+
+ /**
+ * Get this `Component`s ID
+ *
+ * @return {string}
+ * The id of this `Component`
+ */
+
+
+ Component.prototype.id = function id() {
+ return this.id_;
+ };
+
+ /**
+ * Get the `Component`s name. The name gets used to reference the `Component`
+ * and is set during registration.
+ *
+ * @return {string}
+ * The name of this `Component`.
+ */
+
+
+ Component.prototype.name = function name() {
+ return this.name_;
+ };
+
+ /**
+ * Get an array of all child components
+ *
+ * @return {Array}
+ * The children
+ */
+
+
+ Component.prototype.children = function children() {
+ return this.children_;
+ };
+
+ /**
+ * Returns the child `Component` with the given `id`.
+ *
+ * @param {string} id
+ * The id of the child `Component` to get.
+ *
+ * @return {Component|undefined}
+ * The child `Component` with the given `id` or undefined.
+ */
+
+
+ Component.prototype.getChildById = function getChildById(id) {
+ return this.childIndex_[id];
+ };
+
+ /**
+ * Returns the child `Component` with the given `name`.
+ *
+ * @param {string} name
+ * The name of the child `Component` to get.
+ *
+ * @return {Component|undefined}
+ * The child `Component` with the given `name` or undefined.
+ */
+
+
+ Component.prototype.getChild = function getChild(name) {
+ if (!name) {
+ return;
+ }
+
+ name = toTitleCase(name);
+
+ return this.childNameIndex_[name];
+ };
+
+ /**
+ * Add a child `Component` inside the current `Component`.
+ *
+ *
+ * @param {string|Component} child
+ * The name or instance of a child to add.
+ *
+ * @param {Object} [options={}]
+ * The key/value store of options that will get passed to children of
+ * the child.
+ *
+ * @param {number} [index=this.children_.length]
+ * The index to attempt to add a child into.
+ *
+ * @return {Component}
+ * The `Component` that gets added as a child. When using a string the
+ * `Component` will get created by this process.
+ */
+
+
+ Component.prototype.addChild = function addChild(child) {
+ var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ var index = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : this.children_.length;
+
+ var component = void 0;
+ var componentName = void 0;
+
+ // If child is a string, create component with options
+ if (typeof child === 'string') {
+ componentName = toTitleCase(child);
+
+ var componentClassName = options.componentClass || componentName;
+
+ // Set name through options
+ options.name = componentName;
+
+ // Create a new object & element for this controls set
+ // If there's no .player_, this is a player
+ var ComponentClass = Component.getComponent(componentClassName);
+
+ if (!ComponentClass) {
+ throw new Error('Component ' + componentClassName + ' does not exist');
+ }
+
+ // data stored directly on the videojs object may be
+ // misidentified as a component to retain
+ // backwards-compatibility with 4.x. check to make sure the
+ // component class can be instantiated.
+ if (typeof ComponentClass !== 'function') {
+ return null;
+ }
+
+ component = new ComponentClass(this.player_ || this, options);
+
+ // child is a component instance
+ } else {
+ component = child;
+ }
+
+ this.children_.splice(index, 0, component);
+
+ if (typeof component.id === 'function') {
+ this.childIndex_[component.id()] = component;
+ }
+
+ // If a name wasn't used to create the component, check if we can use the
+ // name function of the component
+ componentName = componentName || component.name && toTitleCase(component.name());
+
+ if (componentName) {
+ this.childNameIndex_[componentName] = component;
+ }
+
+ // Add the UI object's element to the container div (box)
+ // Having an element is not required
+ if (typeof component.el === 'function' && component.el()) {
+ var childNodes = this.contentEl().children;
+ var refNode = childNodes[index] || null;
+
+ this.contentEl().insertBefore(component.el(), refNode);
+ }
+
+ // Return so it can stored on parent object if desired.
+ return component;
+ };
+
+ /**
+ * Remove a child `Component` from this `Component`s list of children. Also removes
+ * the child `Component`s element from this `Component`s element.
+ *
+ * @param {Component} component
+ * The child `Component` to remove.
+ */
+
+
+ Component.prototype.removeChild = function removeChild(component) {
+ if (typeof component === 'string') {
+ component = this.getChild(component);
+ }
+
+ if (!component || !this.children_) {
+ return;
+ }
+
+ var childFound = false;
+
+ for (var i = this.children_.length - 1; i >= 0; i--) {
+ if (this.children_[i] === component) {
+ childFound = true;
+ this.children_.splice(i, 1);
+ break;
+ }
+ }
+
+ if (!childFound) {
+ return;
+ }
+
+ this.childIndex_[component.id()] = null;
+ this.childNameIndex_[component.name()] = null;
+
+ var compEl = component.el();
+
+ if (compEl && compEl.parentNode === this.contentEl()) {
+ this.contentEl().removeChild(component.el());
+ }
+ };
+
+ /**
+ * Add and initialize default child `Component`s based upon options.
+ */
+
+
+ Component.prototype.initChildren = function initChildren() {
+ var _this = this;
+
+ var children = this.options_.children;
+
+ if (children) {
+ // `this` is `parent`
+ var parentOptions = this.options_;
+
+ var handleAdd = function handleAdd(child) {
+ var name = child.name;
+ var opts = child.opts;
+
+ // Allow options for children to be set at the parent options
+ // e.g. videojs(id, { controlBar: false });
+ // instead of videojs(id, { children: { controlBar: false });
+ if (parentOptions[name] !== undefined) {
+ opts = parentOptions[name];
+ }
+
+ // Allow for disabling default components
+ // e.g. options['children']['posterImage'] = false
+ if (opts === false) {
+ return;
+ }
+
+ // Allow options to be passed as a simple boolean if no configuration
+ // is necessary.
+ if (opts === true) {
+ opts = {};
+ }
+
+ // We also want to pass the original player options
+ // to each component as well so they don't need to
+ // reach back into the player for options later.
+ opts.playerOptions = _this.options_.playerOptions;
+
+ // Create and add the child component.
+ // Add a direct reference to the child by name on the parent instance.
+ // If two of the same component are used, different names should be supplied
+ // for each
+ var newChild = _this.addChild(name, opts);
+
+ if (newChild) {
+ _this[name] = newChild;
+ }
+ };
+
+ // Allow for an array of children details to passed in the options
+ var workingChildren = void 0;
+ var Tech = Component.getComponent('Tech');
+
+ if (Array.isArray(children)) {
+ workingChildren = children;
+ } else {
+ workingChildren = Object.keys(children);
+ }
+
+ workingChildren
+ // children that are in this.options_ but also in workingChildren would
+ // give us extra children we do not want. So, we want to filter them out.
+ .concat(Object.keys(this.options_).filter(function (child) {
+ return !workingChildren.some(function (wchild) {
+ if (typeof wchild === 'string') {
+ return child === wchild;
+ }
+ return child === wchild.name;
+ });
+ })).map(function (child) {
+ var name = void 0;
+ var opts = void 0;
+
+ if (typeof child === 'string') {
+ name = child;
+ opts = children[name] || _this.options_[name] || {};
+ } else {
+ name = child.name;
+ opts = child;
+ }
+
+ return { name: name, opts: opts };
+ }).filter(function (child) {
+ // we have to make sure that child.name isn't in the techOrder since
+ // techs are registerd as Components but can't aren't compatible
+ // See https://github.com/videojs/video.js/issues/2772
+ var c = Component.getComponent(child.opts.componentClass || toTitleCase(child.name));
+
+ return c && !Tech.isTech(c);
+ }).forEach(handleAdd);
+ }
+ };
+
+ /**
+ * Builds the default DOM class name. Should be overriden by sub-components.
+ *
+ * @return {string}
+ * The DOM class name for this object.
+ *
+ * @abstract
+ */
+
+
+ Component.prototype.buildCSSClass = function buildCSSClass() {
+ // Child classes can include a function that does:
+ // return 'CLASS NAME' + this._super();
+ return '';
+ };
+
+ /**
+ * Bind a listener to the component's ready state.
+ * Different from event listeners in that if the ready event has already happened
+ * it will trigger the function immediately.
+ *
+ * @return {Component}
+ * Returns itself; method can be chained.
+ */
+
+
+ Component.prototype.ready = function ready(fn) {
+ var sync = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+
+ if (!fn) {
+ return;
+ }
+
+ if (!this.isReady_) {
+ this.readyQueue_ = this.readyQueue_ || [];
+ this.readyQueue_.push(fn);
+ return;
+ }
+
+ if (sync) {
+ fn.call(this);
+ } else {
+ // Call the function asynchronously by default for consistency
+ this.setTimeout(fn, 1);
+ }
+ };
+
+ /**
+ * Trigger all the ready listeners for this `Component`.
+ *
+ * @fires Component#ready
+ */
+
+
+ Component.prototype.triggerReady = function triggerReady() {
+ this.isReady_ = true;
+
+ // Ensure ready is triggerd asynchronously
+ this.setTimeout(function () {
+ var readyQueue = this.readyQueue_;
+
+ // Reset Ready Queue
+ this.readyQueue_ = [];
+
+ if (readyQueue && readyQueue.length > 0) {
+ readyQueue.forEach(function (fn) {
+ fn.call(this);
+ }, this);
+ }
+
+ // Allow for using event listeners also
+ /**
+ * Triggered when a `Component` is ready.
+ *
+ * @event Component#ready
+ * @type {EventTarget~Event}
+ */
+ this.trigger('ready');
+ }, 1);
+ };
+
+ /**
+ * Find a single DOM element matching a `selector`. This can be within the `Component`s
+ * `contentEl()` or another custom context.
+ *
+ * @param {string} selector
+ * A valid CSS selector, which will be passed to `querySelector`.
+ *
+ * @param {Element|string} [context=this.contentEl()]
+ * A DOM element within which to query. Can also be a selector string in
+ * which case the first matching element will get used as context. If
+ * missing `this.contentEl()` gets used. If `this.contentEl()` returns
+ * nothing it falls back to `document`.
+ *
+ * @return {Element|null}
+ * the dom element that was found, or null
+ *
+ * @see [Information on CSS Selectors](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Getting_Started/Selectors)
+ */
+
+
+ Component.prototype.$ = function $$$1(selector, context) {
+ return $(selector, context || this.contentEl());
+ };
+
+ /**
+ * Finds all DOM element matching a `selector`. This can be within the `Component`s
+ * `contentEl()` or another custom context.
+ *
+ * @param {string} selector
+ * A valid CSS selector, which will be passed to `querySelectorAll`.
+ *
+ * @param {Element|string} [context=this.contentEl()]
+ * A DOM element within which to query. Can also be a selector string in
+ * which case the first matching element will get used as context. If
+ * missing `this.contentEl()` gets used. If `this.contentEl()` returns
+ * nothing it falls back to `document`.
+ *
+ * @return {NodeList}
+ * a list of dom elements that were found
+ *
+ * @see [Information on CSS Selectors](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Getting_Started/Selectors)
+ */
+
+
+ Component.prototype.$$ = function $$$$1(selector, context) {
+ return $$(selector, context || this.contentEl());
+ };
+
+ /**
+ * Check if a component's element has a CSS class name.
+ *
+ * @param {string} classToCheck
+ * CSS class name to check.
+ *
+ * @return {boolean}
+ * - True if the `Component` has the class.
+ * - False if the `Component` does not have the class`
+ */
+
+
+ Component.prototype.hasClass = function hasClass$$1(classToCheck) {
+ return hasClass(this.el_, classToCheck);
+ };
+
+ /**
+ * Add a CSS class name to the `Component`s element.
+ *
+ * @param {string} classToAdd
+ * CSS class name to add
+ */
+
+
+ Component.prototype.addClass = function addClass$$1(classToAdd) {
+ addClass(this.el_, classToAdd);
+ };
+
+ /**
+ * Remove a CSS class name from the `Component`s element.
+ *
+ * @param {string} classToRemove
+ * CSS class name to remove
+ */
+
+
+ Component.prototype.removeClass = function removeClass$$1(classToRemove) {
+ removeClass(this.el_, classToRemove);
+ };
+
+ /**
+ * Add or remove a CSS class name from the component's element.
+ * - `classToToggle` gets added when {@link Component#hasClass} would return false.
+ * - `classToToggle` gets removed when {@link Component#hasClass} would return true.
+ *
+ * @param {string} classToToggle
+ * The class to add or remove based on (@link Component#hasClass}
+ *
+ * @param {boolean|Dom~predicate} [predicate]
+ * An {@link Dom~predicate} function or a boolean
+ */
+
+
+ Component.prototype.toggleClass = function toggleClass$$1(classToToggle, predicate) {
+ toggleClass(this.el_, classToToggle, predicate);
+ };
+
+ /**
+ * Show the `Component`s element if it is hidden by removing the
+ * 'vjs-hidden' class name from it.
+ */
+
+
+ Component.prototype.show = function show() {
+ this.removeClass('vjs-hidden');
+ };
+
+ /**
+ * Hide the `Component`s element if it is currently showing by adding the
+ * 'vjs-hidden` class name to it.
+ */
+
+
+ Component.prototype.hide = function hide() {
+ this.addClass('vjs-hidden');
+ };
+
+ /**
+ * Lock a `Component`s element in its visible state by adding the 'vjs-lock-showing'
+ * class name to it. Used during fadeIn/fadeOut.
+ *
+ * @private
+ */
+
+
+ Component.prototype.lockShowing = function lockShowing() {
+ this.addClass('vjs-lock-showing');
+ };
+
+ /**
+ * Unlock a `Component`s element from its visible state by removing the 'vjs-lock-showing'
+ * class name from it. Used during fadeIn/fadeOut.
+ *
+ * @private
+ */
+
+
+ Component.prototype.unlockShowing = function unlockShowing() {
+ this.removeClass('vjs-lock-showing');
+ };
+
+ /**
+ * Get the value of an attribute on the `Component`s element.
+ *
+ * @param {string} attribute
+ * Name of the attribute to get the value from.
+ *
+ * @return {string|null}
+ * - The value of the attribute that was asked for.
+ * - Can be an empty string on some browsers if the attribute does not exist
+ * or has no value
+ * - Most browsers will return null if the attibute does not exist or has
+ * no value.
+ *
+ * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/getAttribute}
+ */
+
+
+ Component.prototype.getAttribute = function getAttribute$$1(attribute) {
+ return getAttribute(this.el_, attribute);
+ };
+
+ /**
+ * Set the value of an attribute on the `Component`'s element
+ *
+ * @param {string} attribute
+ * Name of the attribute to set.
+ *
+ * @param {string} value
+ * Value to set the attribute to.
+ *
+ * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/setAttribute}
+ */
+
+
+ Component.prototype.setAttribute = function setAttribute$$1(attribute, value) {
+ setAttribute(this.el_, attribute, value);
+ };
+
+ /**
+ * Remove an attribute from the `Component`s element.
+ *
+ * @param {string} attribute
+ * Name of the attribute to remove.
+ *
+ * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/removeAttribute}
+ */
+
+
+ Component.prototype.removeAttribute = function removeAttribute$$1(attribute) {
+ removeAttribute(this.el_, attribute);
+ };
+
+ /**
+ * Get or set the width of the component based upon the CSS styles.
+ * See {@link Component#dimension} for more detailed information.
+ *
+ * @param {number|string} [num]
+ * The width that you want to set postfixed with '%', 'px' or nothing.
+ *
+ * @param {boolean} [skipListeners]
+ * Skip the componentresize event trigger
+ *
+ * @return {number|string}
+ * The width when getting, zero if there is no width. Can be a string
+ * postpixed with '%' or 'px'.
+ */
+
+
+ Component.prototype.width = function width(num, skipListeners) {
+ return this.dimension('width', num, skipListeners);
+ };
+
+ /**
+ * Get or set the height of the component based upon the CSS styles.
+ * See {@link Component#dimension} for more detailed information.
+ *
+ * @param {number|string} [num]
+ * The height that you want to set postfixed with '%', 'px' or nothing.
+ *
+ * @param {boolean} [skipListeners]
+ * Skip the componentresize event trigger
+ *
+ * @return {number|string}
+ * The width when getting, zero if there is no width. Can be a string
+ * postpixed with '%' or 'px'.
+ */
+
+
+ Component.prototype.height = function height(num, skipListeners) {
+ return this.dimension('height', num, skipListeners);
+ };
+
+ /**
+ * Set both the width and height of the `Component` element at the same time.
+ *
+ * @param {number|string} width
+ * Width to set the `Component`s element to.
+ *
+ * @param {number|string} height
+ * Height to set the `Component`s element to.
+ */
+
+
+ Component.prototype.dimensions = function dimensions(width, height) {
+ // Skip componentresize listeners on width for optimization
+ this.width(width, true);
+ this.height(height);
+ };
+
+ /**
+ * Get or set width or height of the `Component` element. This is the shared code
+ * for the {@link Component#width} and {@link Component#height}.
+ *
+ * Things to know:
+ * - If the width or height in an number this will return the number postfixed with 'px'.
+ * - If the width/height is a percent this will return the percent postfixed with '%'
+ * - Hidden elements have a width of 0 with `window.getComputedStyle`. This function
+ * defaults to the `Component`s `style.width` and falls back to `window.getComputedStyle`.
+ * See [this]{@link http://www.foliotek.com/devblog/getting-the-width-of-a-hidden-element-with-jquery-using-width/}
+ * for more information
+ * - If you want the computed style of the component, use {@link Component#currentWidth}
+ * and {@link {Component#currentHeight}
+ *
+ * @fires Component#componentresize
+ *
+ * @param {string} widthOrHeight
+ 8 'width' or 'height'
+ *
+ * @param {number|string} [num]
+ 8 New dimension
+ *
+ * @param {boolean} [skipListeners]
+ * Skip componentresize event trigger
+ *
+ * @return {number}
+ * The dimension when getting or 0 if unset
+ */
+
+
+ Component.prototype.dimension = function dimension(widthOrHeight, num, skipListeners) {
+ if (num !== undefined) {
+ // Set to zero if null or literally NaN (NaN !== NaN)
+ if (num === null || num !== num) {
+ num = 0;
+ }
+
+ // Check if using css width/height (% or px) and adjust
+ if (('' + num).indexOf('%') !== -1 || ('' + num).indexOf('px') !== -1) {
+ this.el_.style[widthOrHeight] = num;
+ } else if (num === 'auto') {
+ this.el_.style[widthOrHeight] = '';
+ } else {
+ this.el_.style[widthOrHeight] = num + 'px';
+ }
+
+ // skipListeners allows us to avoid triggering the resize event when setting both width and height
+ if (!skipListeners) {
+ /**
+ * Triggered when a component is resized.
+ *
+ * @event Component#componentresize
+ * @type {EventTarget~Event}
+ */
+ this.trigger('componentresize');
+ }
+
+ return;
+ }
+
+ // Not setting a value, so getting it
+ // Make sure element exists
+ if (!this.el_) {
+ return 0;
+ }
+
+ // Get dimension value from style
+ var val = this.el_.style[widthOrHeight];
+ var pxIndex = val.indexOf('px');
+
+ if (pxIndex !== -1) {
+ // Return the pixel value with no 'px'
+ return parseInt(val.slice(0, pxIndex), 10);
+ }
+
+ // No px so using % or no style was set, so falling back to offsetWidth/height
+ // If component has display:none, offset will return 0
+ // TODO: handle display:none and no dimension style using px
+ return parseInt(this.el_['offset' + toTitleCase(widthOrHeight)], 10);
+ };
+
+ /**
+ * Get the width or the height of the `Component` elements computed style. Uses
+ * `window.getComputedStyle`.
+ *
+ * @param {string} widthOrHeight
+ * A string containing 'width' or 'height'. Whichever one you want to get.
+ *
+ * @return {number}
+ * The dimension that gets asked for or 0 if nothing was set
+ * for that dimension.
+ */
+
+
+ Component.prototype.currentDimension = function currentDimension(widthOrHeight) {
+ var computedWidthOrHeight = 0;
+
+ if (widthOrHeight !== 'width' && widthOrHeight !== 'height') {
+ throw new Error('currentDimension only accepts width or height value');
+ }
+
+ if (typeof window_1.getComputedStyle === 'function') {
+ var computedStyle = window_1.getComputedStyle(this.el_);
+
+ computedWidthOrHeight = computedStyle.getPropertyValue(widthOrHeight) || computedStyle[widthOrHeight];
+ }
+
+ // remove 'px' from variable and parse as integer
+ computedWidthOrHeight = parseFloat(computedWidthOrHeight);
+
+ // if the computed value is still 0, it's possible that the browser is lying
+ // and we want to check the offset values.
+ // This code also runs on IE8 and wherever getComputedStyle doesn't exist.
+ if (computedWidthOrHeight === 0) {
+ var rule = 'offset' + toTitleCase(widthOrHeight);
+
+ computedWidthOrHeight = this.el_[rule];
+ }
+
+ return computedWidthOrHeight;
+ };
+
+ /**
+ * An object that contains width and height values of the `Component`s
+ * computed style. Uses `window.getComputedStyle`.
+ *
+ * @typedef {Object} Component~DimensionObject
+ *
+ * @property {number} width
+ * The width of the `Component`s computed style.
+ *
+ * @property {number} height
+ * The height of the `Component`s computed style.
+ */
+
+ /**
+ * Get an object that contains width and height values of the `Component`s
+ * computed style.
+ *
+ * @return {Component~DimensionObject}
+ * The dimensions of the components element
+ */
+
+
+ Component.prototype.currentDimensions = function currentDimensions() {
+ return {
+ width: this.currentDimension('width'),
+ height: this.currentDimension('height')
+ };
+ };
+
+ /**
+ * Get the width of the `Component`s computed style. Uses `window.getComputedStyle`.
+ *
+ * @return {number} width
+ * The width of the `Component`s computed style.
+ */
+
+
+ Component.prototype.currentWidth = function currentWidth() {
+ return this.currentDimension('width');
+ };
+
+ /**
+ * Get the height of the `Component`s computed style. Uses `window.getComputedStyle`.
+ *
+ * @return {number} height
+ * The height of the `Component`s computed style.
+ */
+
+
+ Component.prototype.currentHeight = function currentHeight() {
+ return this.currentDimension('height');
+ };
+
+ /**
+ * Set the focus to this component
+ */
+
+
+ Component.prototype.focus = function focus() {
+ this.el_.focus();
+ };
+
+ /**
+ * Remove the focus from this component
+ */
+
+
+ Component.prototype.blur = function blur() {
+ this.el_.blur();
+ };
+
+ /**
+ * Emit a 'tap' events when touch event support gets detected. This gets used to
+ * support toggling the controls through a tap on the video. They get enabled
+ * because every sub-component would have extra overhead otherwise.
+ *
+ * @private
+ * @fires Component#tap
+ * @listens Component#touchstart
+ * @listens Component#touchmove
+ * @listens Component#touchleave
+ * @listens Component#touchcancel
+ * @listens Component#touchend
+ */
+
+
+ Component.prototype.emitTapEvents = function emitTapEvents() {
+ // Track the start time so we can determine how long the touch lasted
+ var touchStart = 0;
+ var firstTouch = null;
+
+ // Maximum movement allowed during a touch event to still be considered a tap
+ // Other popular libs use anywhere from 2 (hammer.js) to 15,
+ // so 10 seems like a nice, round number.
+ var tapMovementThreshold = 10;
+
+ // The maximum length a touch can be while still being considered a tap
+ var touchTimeThreshold = 200;
+
+ var couldBeTap = void 0;
+
+ this.on('touchstart', function (event) {
+ // If more than one finger, don't consider treating this as a click
+ if (event.touches.length === 1) {
+ // Copy pageX/pageY from the object
+ firstTouch = {
+ pageX: event.touches[0].pageX,
+ pageY: event.touches[0].pageY
+ };
+ // Record start time so we can detect a tap vs. "touch and hold"
+ touchStart = new Date().getTime();
+ // Reset couldBeTap tracking
+ couldBeTap = true;
+ }
+ });
+
+ this.on('touchmove', function (event) {
+ // If more than one finger, don't consider treating this as a click
+ if (event.touches.length > 1) {
+ couldBeTap = false;
+ } else if (firstTouch) {
+ // Some devices will throw touchmoves for all but the slightest of taps.
+ // So, if we moved only a small distance, this could still be a tap
+ var xdiff = event.touches[0].pageX - firstTouch.pageX;
+ var ydiff = event.touches[0].pageY - firstTouch.pageY;
+ var touchDistance = Math.sqrt(xdiff * xdiff + ydiff * ydiff);
+
+ if (touchDistance > tapMovementThreshold) {
+ couldBeTap = false;
+ }
+ }
+ });
+
+ var noTap = function noTap() {
+ couldBeTap = false;
+ };
+
+ // TODO: Listen to the original target. http://youtu.be/DujfpXOKUp8?t=13m8s
+ this.on('touchleave', noTap);
+ this.on('touchcancel', noTap);
+
+ // When the touch ends, measure how long it took and trigger the appropriate
+ // event
+ this.on('touchend', function (event) {
+ firstTouch = null;
+ // Proceed only if the touchmove/leave/cancel event didn't happen
+ if (couldBeTap === true) {
+ // Measure how long the touch lasted
+ var touchTime = new Date().getTime() - touchStart;
+
+ // Make sure the touch was less than the threshold to be considered a tap
+ if (touchTime < touchTimeThreshold) {
+ // Don't let browser turn this into a click
+ event.preventDefault();
+ /**
+ * Triggered when a `Component` is tapped.
+ *
+ * @event Component#tap
+ * @type {EventTarget~Event}
+ */
+ this.trigger('tap');
+ // It may be good to copy the touchend event object and change the
+ // type to tap, if the other event properties aren't exact after
+ // Events.fixEvent runs (e.g. event.target)
+ }
+ }
+ });
+ };
+
+ /**
+ * This function reports user activity whenever touch events happen. This can get
+ * turned off by any sub-components that wants touch events to act another way.
+ *
+ * Report user touch activity when touch events occur. User activity gets used to
+ * determine when controls should show/hide. It is simple when it comes to mouse
+ * events, because any mouse event should show the controls. So we capture mouse
+ * events that bubble up to the player and report activity when that happens.
+ * With touch events it isn't as easy as `touchstart` and `touchend` toggle player
+ * controls. So touch events can't help us at the player level either.
+ *
+ * User activity gets checked asynchronously. So what could happen is a tap event
+ * on the video turns the controls off. Then the `touchend` event bubbles up to
+ * the player. Which, if it reported user activity, would turn the controls right
+ * back on. We also don't want to completely block touch events from bubbling up.
+ * Furthermore a `touchmove` event and anything other than a tap, should not turn
+ * controls back on.
+ *
+ * @listens Component#touchstart
+ * @listens Component#touchmove
+ * @listens Component#touchend
+ * @listens Component#touchcancel
+ */
+
+
+ Component.prototype.enableTouchActivity = function enableTouchActivity() {
+ // Don't continue if the root player doesn't support reporting user activity
+ if (!this.player() || !this.player().reportUserActivity) {
+ return;
+ }
+
+ // listener for reporting that the user is active
+ var report = bind(this.player(), this.player().reportUserActivity);
+
+ var touchHolding = void 0;
+
+ this.on('touchstart', function () {
+ report();
+ // For as long as the they are touching the device or have their mouse down,
+ // we consider them active even if they're not moving their finger or mouse.
+ // So we want to continue to update that they are active
+ this.clearInterval(touchHolding);
+ // report at the same interval as activityCheck
+ touchHolding = this.setInterval(report, 250);
+ });
+
+ var touchEnd = function touchEnd(event) {
+ report();
+ // stop the interval that maintains activity if the touch is holding
+ this.clearInterval(touchHolding);
+ };
+
+ this.on('touchmove', report);
+ this.on('touchend', touchEnd);
+ this.on('touchcancel', touchEnd);
+ };
+
+ /**
+ * A callback that has no parameters and is bound into `Component`s context.
+ *
+ * @callback Component~GenericCallback
+ * @this Component
+ */
+
+ /**
+ * Creates a function that runs after an `x` millisecond timeout. This function is a
+ * wrapper around `window.setTimeout`. There are a few reasons to use this one
+ * instead though:
+ * 1. It gets cleared via {@link Component#clearTimeout} when
+ * {@link Component#dispose} gets called.
+ * 2. The function callback will gets turned into a {@link Component~GenericCallback}
+ *
+ * > Note: You can use `window.clearTimeout` on the id returned by this function. This
+ * will cause its dispose listener not to get cleaned up! Please use
+ * {@link Component#clearTimeout} or {@link Component#dispose}.
+ *
+ * @param {Component~GenericCallback} fn
+ * The function that will be run after `timeout`.
+ *
+ * @param {number} timeout
+ * Timeout in milliseconds to delay before executing the specified function.
+ *
+ * @return {number}
+ * Returns a timeout ID that gets used to identify the timeout. It can also
+ * get used in {@link Component#clearTimeout} to clear the timeout that
+ * was set.
+ *
+ * @listens Component#dispose
+ * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setTimeout}
+ */
+
+
+ Component.prototype.setTimeout = function setTimeout(fn, timeout) {
+ var _this2 = this;
+
+ fn = bind(this, fn);
+
+ var timeoutId = window_1.setTimeout(fn, timeout);
+ var disposeFn = function disposeFn() {
+ return _this2.clearTimeout(timeoutId);
+ };
+
+ disposeFn.guid = 'vjs-timeout-' + timeoutId;
+
+ this.on('dispose', disposeFn);
+
+ return timeoutId;
+ };
+
+ /**
+ * Clears a timeout that gets created via `window.setTimeout` or
+ * {@link Component#setTimeout}. If you set a timeout via {@link Component#setTimeout}
+ * use this function instead of `window.clearTimout`. If you don't your dispose
+ * listener will not get cleaned up until {@link Component#dispose}!
+ *
+ * @param {number} timeoutId
+ * The id of the timeout to clear. The return value of
+ * {@link Component#setTimeout} or `window.setTimeout`.
+ *
+ * @return {number}
+ * Returns the timeout id that was cleared.
+ *
+ * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/clearTimeout}
+ */
+
+
+ Component.prototype.clearTimeout = function clearTimeout(timeoutId) {
+ window_1.clearTimeout(timeoutId);
+
+ var disposeFn = function disposeFn() {};
+
+ disposeFn.guid = 'vjs-timeout-' + timeoutId;
+
+ this.off('dispose', disposeFn);
+
+ return timeoutId;
+ };
+
+ /**
+ * Creates a function that gets run every `x` milliseconds. This function is a wrapper
+ * around `window.setInterval`. There are a few reasons to use this one instead though.
+ * 1. It gets cleared via {@link Component#clearInterval} when
+ * {@link Component#dispose} gets called.
+ * 2. The function callback will be a {@link Component~GenericCallback}
+ *
+ * @param {Component~GenericCallback} fn
+ * The function to run every `x` seconds.
+ *
+ * @param {number} interval
+ * Execute the specified function every `x` milliseconds.
+ *
+ * @return {number}
+ * Returns an id that can be used to identify the interval. It can also be be used in
+ * {@link Component#clearInterval} to clear the interval.
+ *
+ * @listens Component#dispose
+ * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setInterval}
+ */
+
+
+ Component.prototype.setInterval = function setInterval(fn, interval) {
+ var _this3 = this;
+
+ fn = bind(this, fn);
+
+ var intervalId = window_1.setInterval(fn, interval);
+
+ var disposeFn = function disposeFn() {
+ return _this3.clearInterval(intervalId);
+ };
+
+ disposeFn.guid = 'vjs-interval-' + intervalId;
+
+ this.on('dispose', disposeFn);
+
+ return intervalId;
+ };
+
+ /**
+ * Clears an interval that gets created via `window.setInterval` or
+ * {@link Component#setInterval}. If you set an inteval via {@link Component#setInterval}
+ * use this function instead of `window.clearInterval`. If you don't your dispose
+ * listener will not get cleaned up until {@link Component#dispose}!
+ *
+ * @param {number} intervalId
+ * The id of the interval to clear. The return value of
+ * {@link Component#setInterval} or `window.setInterval`.
+ *
+ * @return {number}
+ * Returns the interval id that was cleared.
+ *
+ * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/clearInterval}
+ */
+
+
+ Component.prototype.clearInterval = function clearInterval(intervalId) {
+ window_1.clearInterval(intervalId);
+
+ var disposeFn = function disposeFn() {};
+
+ disposeFn.guid = 'vjs-interval-' + intervalId;
+
+ this.off('dispose', disposeFn);
+
+ return intervalId;
+ };
+
+ /**
+ * Queues up a callback to be passed to requestAnimationFrame (rAF), but
+ * with a few extra bonuses:
+ *
+ * - Supports browsers that do not support rAF by falling back to
+ * {@link Component#setTimeout}.
+ *
+ * - The callback is turned into a {@link Component~GenericCallback} (i.e.
+ * bound to the component).
+ *
+ * - Automatic cancellation of the rAF callback is handled if the component
+ * is disposed before it is called.
+ *
+ * @param {Component~GenericCallback} fn
+ * A function that will be bound to this component and executed just
+ * before the browser's next repaint.
+ *
+ * @return {number}
+ * Returns an rAF ID that gets used to identify the timeout. It can
+ * also be used in {@link Component#cancelAnimationFrame} to cancel
+ * the animation frame callback.
+ *
+ * @listens Component#dispose
+ * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/window/requestAnimationFrame}
+ */
+
+
+ Component.prototype.requestAnimationFrame = function requestAnimationFrame(fn) {
+ var _this4 = this;
+
+ if (this.supportsRaf_) {
+ fn = bind(this, fn);
+
+ var id = window_1.requestAnimationFrame(fn);
+ var disposeFn = function disposeFn() {
+ return _this4.cancelAnimationFrame(id);
+ };
+
+ disposeFn.guid = 'vjs-raf-' + id;
+ this.on('dispose', disposeFn);
+
+ return id;
+ }
+
+ // Fall back to using a timer.
+ return this.setTimeout(fn, 1000 / 60);
+ };
+
+ /**
+ * Cancels a queued callback passed to {@link Component#requestAnimationFrame}
+ * (rAF).
+ *
+ * If you queue an rAF callback via {@link Component#requestAnimationFrame},
+ * use this function instead of `window.cancelAnimationFrame`. If you don't,
+ * your dispose listener will not get cleaned up until {@link Component#dispose}!
+ *
+ * @param {number} id
+ * The rAF ID to clear. The return value of {@link Component#requestAnimationFrame}.
+ *
+ * @return {number}
+ * Returns the rAF ID that was cleared.
+ *
+ * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/window/cancelAnimationFrame}
+ */
+
+
+ Component.prototype.cancelAnimationFrame = function cancelAnimationFrame(id) {
+ if (this.supportsRaf_) {
+ window_1.cancelAnimationFrame(id);
+
+ var disposeFn = function disposeFn() {};
+
+ disposeFn.guid = 'vjs-raf-' + id;
+
+ this.off('dispose', disposeFn);
+
+ return id;
+ }
+
+ // Fall back to using a timer.
+ return this.clearTimeout(id);
+ };
+
+ /**
+ * Register a `Component` with `videojs` given the name and the component.
+ *
+ * > NOTE: {@link Tech}s should not be registered as a `Component`. {@link Tech}s
+ * should be registered using {@link Tech.registerTech} or
+ * {@link videojs:videojs.registerTech}.
+ *
+ * > NOTE: This function can also be seen on videojs as
+ * {@link videojs:videojs.registerComponent}.
+ *
+ * @param {string} name
+ * The name of the `Component` to register.
+ *
+ * @param {Component} ComponentToRegister
+ * The `Component` class to register.
+ *
+ * @return {Component}
+ * The `Component` that was registered.
+ */
+
+
+ Component.registerComponent = function registerComponent(name, ComponentToRegister) {
+ if (typeof name !== 'string' || !name) {
+ throw new Error('Illegal component name, "' + name + '"; must be a non-empty string.');
+ }
+
+ var Tech = Component.getComponent('Tech');
+
+ // We need to make sure this check is only done if Tech has been registered.
+ var isTech = Tech && Tech.isTech(ComponentToRegister);
+ var isComp = Component === ComponentToRegister || Component.prototype.isPrototypeOf(ComponentToRegister.prototype);
+
+ if (isTech || !isComp) {
+ var reason = void 0;
+
+ if (isTech) {
+ reason = 'techs must be registered using Tech.registerTech()';
+ } else {
+ reason = 'must be a Component subclass';
+ }
+
+ throw new Error('Illegal component, "' + name + '"; ' + reason + '.');
+ }
+
+ name = toTitleCase(name);
+
+ if (!Component.components_) {
+ Component.components_ = {};
+ }
+
+ var Player = Component.getComponent('Player');
+
+ if (name === 'Player' && Player && Player.players) {
+ var players = Player.players;
+ var playerNames = Object.keys(players);
+
+ // If we have players that were disposed, then their name will still be
+ // in Players.players. So, we must loop through and verify that the value
+ // for each item is not null. This allows registration of the Player component
+ // after all players have been disposed or before any were created.
+ if (players && playerNames.length > 0 && playerNames.map(function (pname) {
+ return players[pname];
+ }).every(Boolean)) {
+ throw new Error('Can not register Player component after player has been created.');
+ }
+ }
+
+ Component.components_[name] = ComponentToRegister;
+
+ return ComponentToRegister;
+ };
+
+ /**
+ * Get a `Component` based on the name it was registered with.
+ *
+ * @param {string} name
+ * The Name of the component to get.
+ *
+ * @return {Component}
+ * The `Component` that got registered under the given name.
+ *
+ * @deprecated In `videojs` 6 this will not return `Component`s that were not
+ * registered using {@link Component.registerComponent}. Currently we
+ * check the global `videojs` object for a `Component` name and
+ * return that if it exists.
+ */
+
+
+ Component.getComponent = function getComponent(name) {
+ if (!name) {
+ return;
+ }
+
+ name = toTitleCase(name);
+
+ if (Component.components_ && Component.components_[name]) {
+ return Component.components_[name];
+ }
+ };
+
+ return Component;
+}();
+
+/**
+ * Whether or not this component supports `requestAnimationFrame`.
+ *
+ * This is exposed primarily for testing purposes.
+ *
+ * @private
+ * @type {Boolean}
+ */
+
+
+Component.prototype.supportsRaf_ = typeof window_1.requestAnimationFrame === 'function' && typeof window_1.cancelAnimationFrame === 'function';
+
+Component.registerComponent('Component', Component);
+
+/**
+ * @file time-ranges.js
+ * @module time-ranges
+ */
+
+/**
+ * Returns the time for the specified index at the start or end
+ * of a TimeRange object.
+ *
+ * @function time-ranges:indexFunction
+ *
+ * @param {number} [index=0]
+ * The range number to return the time for.
+ *
+ * @return {number}
+ * The time that offset at the specified index.
+ *
+ * @depricated index must be set to a value, in the future this will throw an error.
+ */
+
+/**
+ * An object that contains ranges of time for various reasons.
+ *
+ * @typedef {Object} TimeRange
+ *
+ * @property {number} length
+ * The number of time ranges represented by this Object
+ *
+ * @property {time-ranges:indexFunction} start
+ * Returns the time offset at which a specified time range begins.
+ *
+ * @property {time-ranges:indexFunction} end
+ * Returns the time offset at which a specified time range begins.
+ *
+ * @see https://developer.mozilla.org/en-US/docs/Web/API/TimeRanges
+ */
+
+/**
+ * Check if any of the time ranges are over the maximum index.
+ *
+ * @param {string} fnName
+ * The function name to use for logging
+ *
+ * @param {number} index
+ * The index to check
+ *
+ * @param {number} maxIndex
+ * The maximum possible index
+ *
+ * @throws {Error} if the timeRanges provided are over the maxIndex
+ */
+function rangeCheck(fnName, index, maxIndex) {
+ if (typeof index !== 'number' || index < 0 || index > maxIndex) {
+ throw new Error('Failed to execute \'' + fnName + '\' on \'TimeRanges\': The index provided (' + index + ') is non-numeric or out of bounds (0-' + maxIndex + ').');
+ }
+}
+
+/**
+ * Check if any of the time ranges are over the maximum index.
+ *
+ * @param {string} fnName
+ * The function name to use for logging
+ *
+ * @param {string} valueIndex
+ * The proprety that should be used to get the time. should be 'start' or 'end'
+ *
+ * @param {Array} ranges
+ * An array of time ranges
+ *
+ * @param {Array} [rangeIndex=0]
+ * The index to start the search at
+ *
+ * @return {number}
+ * The time that offset at the specified index.
+ *
+ *
+ * @depricated rangeIndex must be set to a value, in the future this will throw an error.
+ * @throws {Error} if rangeIndex is more than the length of ranges
+ */
+function getRange(fnName, valueIndex, ranges, rangeIndex) {
+ rangeCheck(fnName, rangeIndex, ranges.length - 1);
+ return ranges[rangeIndex][valueIndex];
+}
+
+/**
+ * Create a time range object givent ranges of time.
+ *
+ * @param {Array} [ranges]
+ * An array of time ranges.
+ */
+function createTimeRangesObj(ranges) {
+ if (ranges === undefined || ranges.length === 0) {
+ return {
+ length: 0,
+ start: function start() {
+ throw new Error('This TimeRanges object is empty');
+ },
+ end: function end() {
+ throw new Error('This TimeRanges object is empty');
+ }
+ };
+ }
+ return {
+ length: ranges.length,
+ start: getRange.bind(null, 'start', 0, ranges),
+ end: getRange.bind(null, 'end', 1, ranges)
+ };
+}
+
+/**
+ * Should create a fake `TimeRange` object which mimics an HTML5 time range instance.
+ *
+ * @param {number|Array} start
+ * The start of a single range or an array of ranges
+ *
+ * @param {number} end
+ * The end of a single range.
+ *
+ * @private
+ */
+function createTimeRanges(start, end) {
+ if (Array.isArray(start)) {
+ return createTimeRangesObj(start);
+ } else if (start === undefined || end === undefined) {
+ return createTimeRangesObj();
+ }
+ return createTimeRangesObj([[start, end]]);
+}
+
+/**
+ * @file buffer.js
+ * @module buffer
+ */
+/**
+ * Compute the percentage of the media that has been buffered.
+ *
+ * @param {TimeRange} buffered
+ * The current `TimeRange` object representing buffered time ranges
+ *
+ * @param {number} duration
+ * Total duration of the media
+ *
+ * @return {number}
+ * Percent buffered of the total duration in decimal form.
+ */
+function bufferedPercent(buffered, duration) {
+ var bufferedDuration = 0;
+ var start = void 0;
+ var end = void 0;
+
+ if (!duration) {
+ return 0;
+ }
+
+ if (!buffered || !buffered.length) {
+ buffered = createTimeRanges(0, 0);
+ }
+
+ for (var i = 0; i < buffered.length; i++) {
+ start = buffered.start(i);
+ end = buffered.end(i);
+
+ // buffered end can be bigger than duration by a very small fraction
+ if (end > duration) {
+ end = duration;
+ }
+
+ bufferedDuration += end - start;
+ }
+
+ return bufferedDuration / duration;
+}
+
+/**
+ * @file fullscreen-api.js
+ * @module fullscreen-api
+ * @private
+ */
+/**
+ * Store the browser-specific methods for the fullscreen API.
+ *
+ * @type {Object}
+ * @see [Specification]{@link https://fullscreen.spec.whatwg.org}
+ * @see [Map Approach From Screenfull.js]{@link https://github.com/sindresorhus/screenfull.js}
+ */
+var FullscreenApi = {};
+
+// browser API methods
+var apiMap = [['requestFullscreen', 'exitFullscreen', 'fullscreenElement', 'fullscreenEnabled', 'fullscreenchange', 'fullscreenerror'],
+// WebKit
+['webkitRequestFullscreen', 'webkitExitFullscreen', 'webkitFullscreenElement', 'webkitFullscreenEnabled', 'webkitfullscreenchange', 'webkitfullscreenerror'],
+// Old WebKit (Safari 5.1)
+['webkitRequestFullScreen', 'webkitCancelFullScreen', 'webkitCurrentFullScreenElement', 'webkitCancelFullScreen', 'webkitfullscreenchange', 'webkitfullscreenerror'],
+// Mozilla
+['mozRequestFullScreen', 'mozCancelFullScreen', 'mozFullScreenElement', 'mozFullScreenEnabled', 'mozfullscreenchange', 'mozfullscreenerror'],
+// Microsoft
+['msRequestFullscreen', 'msExitFullscreen', 'msFullscreenElement', 'msFullscreenEnabled', 'MSFullscreenChange', 'MSFullscreenError']];
+
+var specApi = apiMap[0];
+var browserApi = void 0;
+
+// determine the supported set of functions
+for (var i = 0; i < apiMap.length; i++) {
+ // check for exitFullscreen function
+ if (apiMap[i][1] in document_1) {
+ browserApi = apiMap[i];
+ break;
+ }
+}
+
+// map the browser API names to the spec API names
+if (browserApi) {
+ for (var _i = 0; _i < browserApi.length; _i++) {
+ FullscreenApi[specApi[_i]] = browserApi[_i];
+ }
+}
+
+/**
+ * @file media-error.js
+ */
+/**
+ * A Custom `MediaError` class which mimics the standard HTML5 `MediaError` class.
+ *
+ * @param {number|string|Object|MediaError} value
+ * This can be of multiple types:
+ * - number: should be a standard error code
+ * - string: an error message (the code will be 0)
+ * - Object: arbitrary properties
+ * - `MediaError` (native): used to populate a video.js `MediaError` object
+ * - `MediaError` (video.js): will return itself if it's already a
+ * video.js `MediaError` object.
+ *
+ * @see [MediaError Spec]{@link https://dev.w3.org/html5/spec-author-view/video.html#mediaerror}
+ * @see [Encrypted MediaError Spec]{@link https://www.w3.org/TR/2013/WD-encrypted-media-20130510/#error-codes}
+ *
+ * @class MediaError
+ */
+function MediaError(value) {
+
+ // Allow redundant calls to this constructor to avoid having `instanceof`
+ // checks peppered around the code.
+ if (value instanceof MediaError) {
+ return value;
+ }
+
+ if (typeof value === 'number') {
+ this.code = value;
+ } else if (typeof value === 'string') {
+ // default code is zero, so this is a custom error
+ this.message = value;
+ } else if (isObject(value)) {
+
+ // We assign the `code` property manually because native `MediaError` objects
+ // do not expose it as an own/enumerable property of the object.
+ if (typeof value.code === 'number') {
+ this.code = value.code;
+ }
+
+ assign(this, value);
+ }
+
+ if (!this.message) {
+ this.message = MediaError.defaultMessages[this.code] || '';
+ }
+}
+
+/**
+ * The error code that refers two one of the defined `MediaError` types
+ *
+ * @type {Number}
+ */
+MediaError.prototype.code = 0;
+
+/**
+ * An optional message that to show with the error. Message is not part of the HTML5
+ * video spec but allows for more informative custom errors.
+ *
+ * @type {String}
+ */
+MediaError.prototype.message = '';
+
+/**
+ * An optional status code that can be set by plugins to allow even more detail about
+ * the error. For example a plugin might provide a specific HTTP status code and an
+ * error message for that code. Then when the plugin gets that error this class will
+ * know how to display an error message for it. This allows a custom message to show
+ * up on the `Player` error overlay.
+ *
+ * @type {Array}
+ */
+MediaError.prototype.status = null;
+
+/**
+ * Errors indexed by the W3C standard. The order **CANNOT CHANGE**! See the
+ * specification listed under {@link MediaError} for more information.
+ *
+ * @enum {array}
+ * @readonly
+ * @property {string} 0 - MEDIA_ERR_CUSTOM
+ * @property {string} 1 - MEDIA_ERR_CUSTOM
+ * @property {string} 2 - MEDIA_ERR_ABORTED
+ * @property {string} 3 - MEDIA_ERR_NETWORK
+ * @property {string} 4 - MEDIA_ERR_SRC_NOT_SUPPORTED
+ * @property {string} 5 - MEDIA_ERR_ENCRYPTED
+ */
+MediaError.errorTypes = ['MEDIA_ERR_CUSTOM', 'MEDIA_ERR_ABORTED', 'MEDIA_ERR_NETWORK', 'MEDIA_ERR_DECODE', 'MEDIA_ERR_SRC_NOT_SUPPORTED', 'MEDIA_ERR_ENCRYPTED'];
+
+/**
+ * The default `MediaError` messages based on the {@link MediaError.errorTypes}.
+ *
+ * @type {Array}
+ * @constant
+ */
+MediaError.defaultMessages = {
+ 1: 'You aborted the media playback',
+ 2: 'A network error caused the media download to fail part-way.',
+ 3: 'The media playback was aborted due to a corruption problem or because the media used features your browser did not support.',
+ 4: 'The media could not be loaded, either because the server or network failed or because the format is not supported.',
+ 5: 'The media is encrypted and we do not have the keys to decrypt it.'
+};
+
+// Add types as properties on MediaError
+// e.g. MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED = 4;
+for (var errNum = 0; errNum < MediaError.errorTypes.length; errNum++) {
+ MediaError[MediaError.errorTypes[errNum]] = errNum;
+ // values should be accessible on both the class and instance
+ MediaError.prototype[MediaError.errorTypes[errNum]] = errNum;
+}
+
+var tuple = SafeParseTuple;
+
+function SafeParseTuple(obj, reviver) {
+ var json;
+ var error = null;
+
+ try {
+ json = JSON.parse(obj, reviver);
+ } catch (err) {
+ error = err;
+ }
+
+ return [error, json]
+}
+
+/**
+ * Returns whether an object is `Promise`-like (i.e. has a `then` method).
+ *
+ * @param {Object} value
+ * An object that may or may not be `Promise`-like.
+ *
+ * @return {Boolean}
+ * Whether or not the object is `Promise`-like.
+ */
+function isPromise(value) {
+ return value !== undefined && value !== null && typeof value.then === 'function';
+}
+
+/**
+ * Silence a Promise-like object.
+ *
+ * This is useful for avoiding non-harmful, but potentially confusing "uncaught
+ * play promise" rejection error messages.
+ *
+ * @param {Object} value
+ * An object that may or may not be `Promise`-like.
+ */
+function silencePromise(value) {
+ if (isPromise(value)) {
+ value.then(null, function (e) {});
+ }
+}
+
+/**
+ * @file text-track-list-converter.js Utilities for capturing text track state and
+ * re-creating tracks based on a capture.
+ *
+ * @module text-track-list-converter
+ */
+
+/**
+ * Examine a single {@link TextTrack} and return a JSON-compatible javascript object that
+ * represents the {@link TextTrack}'s state.
+ *
+ * @param {TextTrack} track
+ * The text track to query.
+ *
+ * @return {Object}
+ * A serializable javascript representation of the TextTrack.
+ * @private
+ */
+var trackToJson_ = function trackToJson_(track) {
+ var ret = ['kind', 'label', 'language', 'id', 'inBandMetadataTrackDispatchType', 'mode', 'src'].reduce(function (acc, prop, i) {
+
+ if (track[prop]) {
+ acc[prop] = track[prop];
+ }
+
+ return acc;
+ }, {
+ cues: track.cues && Array.prototype.map.call(track.cues, function (cue) {
+ return {
+ startTime: cue.startTime,
+ endTime: cue.endTime,
+ text: cue.text,
+ id: cue.id
+ };
+ })
+ });
+
+ return ret;
+};
+
+/**
+ * Examine a {@link Tech} and return a JSON-compatible javascript array that represents the
+ * state of all {@link TextTrack}s currently configured. The return array is compatible with
+ * {@link text-track-list-converter:jsonToTextTracks}.
+ *
+ * @param {Tech} tech
+ * The tech object to query
+ *
+ * @return {Array}
+ * A serializable javascript representation of the {@link Tech}s
+ * {@link TextTrackList}.
+ */
+var textTracksToJson = function textTracksToJson(tech) {
+
+ var trackEls = tech.$$('track');
+
+ var trackObjs = Array.prototype.map.call(trackEls, function (t) {
+ return t.track;
+ });
+ var tracks = Array.prototype.map.call(trackEls, function (trackEl) {
+ var json = trackToJson_(trackEl.track);
+
+ if (trackEl.src) {
+ json.src = trackEl.src;
+ }
+ return json;
+ });
+
+ return tracks.concat(Array.prototype.filter.call(tech.textTracks(), function (track) {
+ return trackObjs.indexOf(track) === -1;
+ }).map(trackToJson_));
+};
+
+/**
+ * Create a set of remote {@link TextTrack}s on a {@link Tech} based on an array of javascript
+ * object {@link TextTrack} representations.
+ *
+ * @param {Array} json
+ * An array of `TextTrack` representation objects, like those that would be
+ * produced by `textTracksToJson`.
+ *
+ * @param {Tech} tech
+ * The `Tech` to create the `TextTrack`s on.
+ */
+var jsonToTextTracks = function jsonToTextTracks(json, tech) {
+ json.forEach(function (track) {
+ var addedTrack = tech.addRemoteTextTrack(track).track;
+
+ if (!track.src && track.cues) {
+ track.cues.forEach(function (cue) {
+ return addedTrack.addCue(cue);
+ });
+ }
+ });
+
+ return tech.textTracks();
+};
+
+var textTrackConverter = { textTracksToJson: textTracksToJson, jsonToTextTracks: jsonToTextTracks, trackToJson_: trackToJson_ };
+
+/**
+ * @file modal-dialog.js
+ */
+var MODAL_CLASS_NAME = 'vjs-modal-dialog';
+var ESC = 27;
+
+/**
+ * The `ModalDialog` displays over the video and its controls, which blocks
+ * interaction with the player until it is closed.
+ *
+ * Modal dialogs include a "Close" button and will close when that button
+ * is activated - or when ESC is pressed anywhere.
+ *
+ * @extends Component
+ */
+
+var ModalDialog = function (_Component) {
+ inherits(ModalDialog, _Component);
+
+ /**
+ * Create an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ *
+ * @param {Mixed} [options.content=undefined]
+ * Provide customized content for this modal.
+ *
+ * @param {string} [options.description]
+ * A text description for the modal, primarily for accessibility.
+ *
+ * @param {boolean} [options.fillAlways=false]
+ * Normally, modals are automatically filled only the first time
+ * they open. This tells the modal to refresh its content
+ * every time it opens.
+ *
+ * @param {string} [options.label]
+ * A text label for the modal, primarily for accessibility.
+ *
+ * @param {boolean} [options.temporary=true]
+ * If `true`, the modal can only be opened once; it will be
+ * disposed as soon as it's closed.
+ *
+ * @param {boolean} [options.uncloseable=false]
+ * If `true`, the user will not be able to close the modal
+ * through the UI in the normal ways. Programmatic closing is
+ * still possible.
+ */
+ function ModalDialog(player, options) {
+ classCallCheck(this, ModalDialog);
+
+ var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+ _this.opened_ = _this.hasBeenOpened_ = _this.hasBeenFilled_ = false;
+
+ _this.closeable(!_this.options_.uncloseable);
+ _this.content(_this.options_.content);
+
+ // Make sure the contentEl is defined AFTER any children are initialized
+ // because we only want the contents of the modal in the contentEl
+ // (not the UI elements like the close button).
+ _this.contentEl_ = createEl('div', {
+ className: MODAL_CLASS_NAME + '-content'
+ }, {
+ role: 'document'
+ });
+
+ _this.descEl_ = createEl('p', {
+ className: MODAL_CLASS_NAME + '-description vjs-control-text',
+ id: _this.el().getAttribute('aria-describedby')
+ });
+
+ textContent(_this.descEl_, _this.description());
+ _this.el_.appendChild(_this.descEl_);
+ _this.el_.appendChild(_this.contentEl_);
+ return _this;
+ }
+
+ /**
+ * Create the `ModalDialog`'s DOM element
+ *
+ * @return {Element}
+ * The DOM element that gets created.
+ */
+
+
+ ModalDialog.prototype.createEl = function createEl$$1() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: this.buildCSSClass(),
+ tabIndex: -1
+ }, {
+ 'aria-describedby': this.id() + '_description',
+ 'aria-hidden': 'true',
+ 'aria-label': this.label(),
+ 'role': 'dialog'
+ });
+ };
+
+ ModalDialog.prototype.dispose = function dispose() {
+ this.contentEl_ = null;
+ this.descEl_ = null;
+ this.previouslyActiveEl_ = null;
+
+ _Component.prototype.dispose.call(this);
+ };
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ ModalDialog.prototype.buildCSSClass = function buildCSSClass() {
+ return MODAL_CLASS_NAME + ' vjs-hidden ' + _Component.prototype.buildCSSClass.call(this);
+ };
+
+ /**
+ * Handles `keydown` events on the document, looking for ESC, which closes
+ * the modal.
+ *
+ * @param {EventTarget~Event} e
+ * The keypress that triggered this event.
+ *
+ * @listens keydown
+ */
+
+
+ ModalDialog.prototype.handleKeyPress = function handleKeyPress(e) {
+ if (e.which === ESC && this.closeable()) {
+ this.close();
+ }
+ };
+
+ /**
+ * Returns the label string for this modal. Primarily used for accessibility.
+ *
+ * @return {string}
+ * the localized or raw label of this modal.
+ */
+
+
+ ModalDialog.prototype.label = function label() {
+ return this.localize(this.options_.label || 'Modal Window');
+ };
+
+ /**
+ * Returns the description string for this modal. Primarily used for
+ * accessibility.
+ *
+ * @return {string}
+ * The localized or raw description of this modal.
+ */
+
+
+ ModalDialog.prototype.description = function description() {
+ var desc = this.options_.description || this.localize('This is a modal window.');
+
+ // Append a universal closeability message if the modal is closeable.
+ if (this.closeable()) {
+ desc += ' ' + this.localize('This modal can be closed by pressing the Escape key or activating the close button.');
+ }
+
+ return desc;
+ };
+
+ /**
+ * Opens the modal.
+ *
+ * @fires ModalDialog#beforemodalopen
+ * @fires ModalDialog#modalopen
+ */
+
+
+ ModalDialog.prototype.open = function open() {
+ if (!this.opened_) {
+ var player = this.player();
+
+ /**
+ * Fired just before a `ModalDialog` is opened.
+ *
+ * @event ModalDialog#beforemodalopen
+ * @type {EventTarget~Event}
+ */
+ this.trigger('beforemodalopen');
+ this.opened_ = true;
+
+ // Fill content if the modal has never opened before and
+ // never been filled.
+ if (this.options_.fillAlways || !this.hasBeenOpened_ && !this.hasBeenFilled_) {
+ this.fill();
+ }
+
+ // If the player was playing, pause it and take note of its previously
+ // playing state.
+ this.wasPlaying_ = !player.paused();
+
+ if (this.options_.pauseOnOpen && this.wasPlaying_) {
+ player.pause();
+ }
+
+ if (this.closeable()) {
+ this.on(this.el_.ownerDocument, 'keydown', bind(this, this.handleKeyPress));
+ }
+
+ // Hide controls and note if they were enabled.
+ this.hadControls_ = player.controls();
+ player.controls(false);
+
+ this.show();
+ this.conditionalFocus_();
+ this.el().setAttribute('aria-hidden', 'false');
+
+ /**
+ * Fired just after a `ModalDialog` is opened.
+ *
+ * @event ModalDialog#modalopen
+ * @type {EventTarget~Event}
+ */
+ this.trigger('modalopen');
+ this.hasBeenOpened_ = true;
+ }
+ };
+
+ /**
+ * If the `ModalDialog` is currently open or closed.
+ *
+ * @param {boolean} [value]
+ * If given, it will open (`true`) or close (`false`) the modal.
+ *
+ * @return {boolean}
+ * the current open state of the modaldialog
+ */
+
+
+ ModalDialog.prototype.opened = function opened(value) {
+ if (typeof value === 'boolean') {
+ this[value ? 'open' : 'close']();
+ }
+ return this.opened_;
+ };
+
+ /**
+ * Closes the modal, does nothing if the `ModalDialog` is
+ * not open.
+ *
+ * @fires ModalDialog#beforemodalclose
+ * @fires ModalDialog#modalclose
+ */
+
+
+ ModalDialog.prototype.close = function close() {
+ if (!this.opened_) {
+ return;
+ }
+ var player = this.player();
+
+ /**
+ * Fired just before a `ModalDialog` is closed.
+ *
+ * @event ModalDialog#beforemodalclose
+ * @type {EventTarget~Event}
+ */
+ this.trigger('beforemodalclose');
+ this.opened_ = false;
+
+ if (this.wasPlaying_ && this.options_.pauseOnOpen) {
+ player.play();
+ }
+
+ if (this.closeable()) {
+ this.off(this.el_.ownerDocument, 'keydown', bind(this, this.handleKeyPress));
+ }
+
+ if (this.hadControls_) {
+ player.controls(true);
+ }
+
+ this.hide();
+ this.el().setAttribute('aria-hidden', 'true');
+
+ /**
+ * Fired just after a `ModalDialog` is closed.
+ *
+ * @event ModalDialog#modalclose
+ * @type {EventTarget~Event}
+ */
+ this.trigger('modalclose');
+ this.conditionalBlur_();
+
+ if (this.options_.temporary) {
+ this.dispose();
+ }
+ };
+
+ /**
+ * Check to see if the `ModalDialog` is closeable via the UI.
+ *
+ * @param {boolean} [value]
+ * If given as a boolean, it will set the `closeable` option.
+ *
+ * @return {boolean}
+ * Returns the final value of the closable option.
+ */
+
+
+ ModalDialog.prototype.closeable = function closeable(value) {
+ if (typeof value === 'boolean') {
+ var closeable = this.closeable_ = !!value;
+ var close = this.getChild('closeButton');
+
+ // If this is being made closeable and has no close button, add one.
+ if (closeable && !close) {
+
+ // The close button should be a child of the modal - not its
+ // content element, so temporarily change the content element.
+ var temp = this.contentEl_;
+
+ this.contentEl_ = this.el_;
+ close = this.addChild('closeButton', { controlText: 'Close Modal Dialog' });
+ this.contentEl_ = temp;
+ this.on(close, 'close', this.close);
+ }
+
+ // If this is being made uncloseable and has a close button, remove it.
+ if (!closeable && close) {
+ this.off(close, 'close', this.close);
+ this.removeChild(close);
+ close.dispose();
+ }
+ }
+ return this.closeable_;
+ };
+
+ /**
+ * Fill the modal's content element with the modal's "content" option.
+ * The content element will be emptied before this change takes place.
+ */
+
+
+ ModalDialog.prototype.fill = function fill() {
+ this.fillWith(this.content());
+ };
+
+ /**
+ * Fill the modal's content element with arbitrary content.
+ * The content element will be emptied before this change takes place.
+ *
+ * @fires ModalDialog#beforemodalfill
+ * @fires ModalDialog#modalfill
+ *
+ * @param {Mixed} [content]
+ * The same rules apply to this as apply to the `content` option.
+ */
+
+
+ ModalDialog.prototype.fillWith = function fillWith(content) {
+ var contentEl = this.contentEl();
+ var parentEl = contentEl.parentNode;
+ var nextSiblingEl = contentEl.nextSibling;
+
+ /**
+ * Fired just before a `ModalDialog` is filled with content.
+ *
+ * @event ModalDialog#beforemodalfill
+ * @type {EventTarget~Event}
+ */
+ this.trigger('beforemodalfill');
+ this.hasBeenFilled_ = true;
+
+ // Detach the content element from the DOM before performing
+ // manipulation to avoid modifying the live DOM multiple times.
+ parentEl.removeChild(contentEl);
+ this.empty();
+ insertContent(contentEl, content);
+ /**
+ * Fired just after a `ModalDialog` is filled with content.
+ *
+ * @event ModalDialog#modalfill
+ * @type {EventTarget~Event}
+ */
+ this.trigger('modalfill');
+
+ // Re-inject the re-filled content element.
+ if (nextSiblingEl) {
+ parentEl.insertBefore(contentEl, nextSiblingEl);
+ } else {
+ parentEl.appendChild(contentEl);
+ }
+
+ // make sure that the close button is last in the dialog DOM
+ var closeButton = this.getChild('closeButton');
+
+ if (closeButton) {
+ parentEl.appendChild(closeButton.el_);
+ }
+ };
+
+ /**
+ * Empties the content element. This happens anytime the modal is filled.
+ *
+ * @fires ModalDialog#beforemodalempty
+ * @fires ModalDialog#modalempty
+ */
+
+
+ ModalDialog.prototype.empty = function empty() {
+ /**
+ * Fired just before a `ModalDialog` is emptied.
+ *
+ * @event ModalDialog#beforemodalempty
+ * @type {EventTarget~Event}
+ */
+ this.trigger('beforemodalempty');
+ emptyEl(this.contentEl());
+
+ /**
+ * Fired just after a `ModalDialog` is emptied.
+ *
+ * @event ModalDialog#modalempty
+ * @type {EventTarget~Event}
+ */
+ this.trigger('modalempty');
+ };
+
+ /**
+ * Gets or sets the modal content, which gets normalized before being
+ * rendered into the DOM.
+ *
+ * This does not update the DOM or fill the modal, but it is called during
+ * that process.
+ *
+ * @param {Mixed} [value]
+ * If defined, sets the internal content value to be used on the
+ * next call(s) to `fill`. This value is normalized before being
+ * inserted. To "clear" the internal content value, pass `null`.
+ *
+ * @return {Mixed}
+ * The current content of the modal dialog
+ */
+
+
+ ModalDialog.prototype.content = function content(value) {
+ if (typeof value !== 'undefined') {
+ this.content_ = value;
+ }
+ return this.content_;
+ };
+
+ /**
+ * conditionally focus the modal dialog if focus was previously on the player.
+ *
+ * @private
+ */
+
+
+ ModalDialog.prototype.conditionalFocus_ = function conditionalFocus_() {
+ var activeEl = document_1.activeElement;
+ var playerEl = this.player_.el_;
+
+ this.previouslyActiveEl_ = null;
+
+ if (playerEl.contains(activeEl) || playerEl === activeEl) {
+ this.previouslyActiveEl_ = activeEl;
+
+ this.focus();
+
+ this.on(document_1, 'keydown', this.handleKeyDown);
+ }
+ };
+
+ /**
+ * conditionally blur the element and refocus the last focused element
+ *
+ * @private
+ */
+
+
+ ModalDialog.prototype.conditionalBlur_ = function conditionalBlur_() {
+ if (this.previouslyActiveEl_) {
+ this.previouslyActiveEl_.focus();
+ this.previouslyActiveEl_ = null;
+ }
+
+ this.off(document_1, 'keydown', this.handleKeyDown);
+ };
+
+ /**
+ * Keydown handler. Attached when modal is focused.
+ *
+ * @listens keydown
+ */
+
+
+ ModalDialog.prototype.handleKeyDown = function handleKeyDown(event) {
+ // exit early if it isn't a tab key
+ if (event.which !== 9) {
+ return;
+ }
+
+ var focusableEls = this.focusableEls_();
+ var activeEl = this.el_.querySelector(':focus');
+ var focusIndex = void 0;
+
+ for (var i = 0; i < focusableEls.length; i++) {
+ if (activeEl === focusableEls[i]) {
+ focusIndex = i;
+ break;
+ }
+ }
+
+ if (document_1.activeElement === this.el_) {
+ focusIndex = 0;
+ }
+
+ if (event.shiftKey && focusIndex === 0) {
+ focusableEls[focusableEls.length - 1].focus();
+ event.preventDefault();
+ } else if (!event.shiftKey && focusIndex === focusableEls.length - 1) {
+ focusableEls[0].focus();
+ event.preventDefault();
+ }
+ };
+
+ /**
+ * get all focusable elements
+ *
+ * @private
+ */
+
+
+ ModalDialog.prototype.focusableEls_ = function focusableEls_() {
+ var allChildren = this.el_.querySelectorAll('*');
+
+ return Array.prototype.filter.call(allChildren, function (child) {
+ return (child instanceof window_1.HTMLAnchorElement || child instanceof window_1.HTMLAreaElement) && child.hasAttribute('href') || (child instanceof window_1.HTMLInputElement || child instanceof window_1.HTMLSelectElement || child instanceof window_1.HTMLTextAreaElement || child instanceof window_1.HTMLButtonElement) && !child.hasAttribute('disabled') || child instanceof window_1.HTMLIFrameElement || child instanceof window_1.HTMLObjectElement || child instanceof window_1.HTMLEmbedElement || child.hasAttribute('tabindex') && child.getAttribute('tabindex') !== -1 || child.hasAttribute('contenteditable');
+ });
+ };
+
+ return ModalDialog;
+}(Component);
+
+/**
+ * Default options for `ModalDialog` default options.
+ *
+ * @type {Object}
+ * @private
+ */
+
+
+ModalDialog.prototype.options_ = {
+ pauseOnOpen: true,
+ temporary: true
+};
+
+Component.registerComponent('ModalDialog', ModalDialog);
+
+/**
+ * @file track-list.js
+ */
+/**
+ * Common functionaliy between {@link TextTrackList}, {@link AudioTrackList}, and
+ * {@link VideoTrackList}
+ *
+ * @extends EventTarget
+ */
+
+var TrackList = function (_EventTarget) {
+ inherits(TrackList, _EventTarget);
+
+ /**
+ * Create an instance of this class
+ *
+ * @param {Track[]} tracks
+ * A list of tracks to initialize the list with.
+ *
+ * @param {Object} [list]
+ * The child object with inheritance done manually for ie8.
+ *
+ * @abstract
+ */
+ function TrackList() {
+ var tracks = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
+
+ var _ret;
+
+ var list = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
+ classCallCheck(this, TrackList);
+
+ var _this = possibleConstructorReturn(this, _EventTarget.call(this));
+
+ if (!list) {
+ list = _this; // eslint-disable-line
+ if (IS_IE8) {
+ list = document_1.createElement('custom');
+ for (var prop in TrackList.prototype) {
+ if (prop !== 'constructor') {
+ list[prop] = TrackList.prototype[prop];
+ }
+ }
+ }
+ }
+
+ list.tracks_ = [];
+
+ /**
+ * @memberof TrackList
+ * @member {number} length
+ * The current number of `Track`s in the this Trackist.
+ * @instance
+ */
+ Object.defineProperty(list, 'length', {
+ get: function get$$1() {
+ return this.tracks_.length;
+ }
+ });
+
+ for (var i = 0; i < tracks.length; i++) {
+ list.addTrack(tracks[i]);
+ }
+
+ // must return the object, as for ie8 it will not be this
+ // but a reference to a document object
+ return _ret = list, possibleConstructorReturn(_this, _ret);
+ }
+
+ /**
+ * Add a {@link Track} to the `TrackList`
+ *
+ * @param {Track} track
+ * The audio, video, or text track to add to the list.
+ *
+ * @fires TrackList#addtrack
+ */
+
+
+ TrackList.prototype.addTrack = function addTrack(track) {
+ var index = this.tracks_.length;
+
+ if (!('' + index in this)) {
+ Object.defineProperty(this, index, {
+ get: function get$$1() {
+ return this.tracks_[index];
+ }
+ });
+ }
+
+ // Do not add duplicate tracks
+ if (this.tracks_.indexOf(track) === -1) {
+ this.tracks_.push(track);
+ /**
+ * Triggered when a track is added to a track list.
+ *
+ * @event TrackList#addtrack
+ * @type {EventTarget~Event}
+ * @property {Track} track
+ * A reference to track that was added.
+ */
+ this.trigger({
+ track: track,
+ type: 'addtrack'
+ });
+ }
+ };
+
+ /**
+ * Remove a {@link Track} from the `TrackList`
+ *
+ * @param {Track} rtrack
+ * The audio, video, or text track to remove from the list.
+ *
+ * @fires TrackList#removetrack
+ */
+
+
+ TrackList.prototype.removeTrack = function removeTrack(rtrack) {
+ var track = void 0;
+
+ for (var i = 0, l = this.length; i < l; i++) {
+ if (this[i] === rtrack) {
+ track = this[i];
+ if (track.off) {
+ track.off();
+ }
+
+ this.tracks_.splice(i, 1);
+
+ break;
+ }
+ }
+
+ if (!track) {
+ return;
+ }
+
+ /**
+ * Triggered when a track is removed from track list.
+ *
+ * @event TrackList#removetrack
+ * @type {EventTarget~Event}
+ * @property {Track} track
+ * A reference to track that was removed.
+ */
+ this.trigger({
+ track: track,
+ type: 'removetrack'
+ });
+ };
+
+ /**
+ * Get a Track from the TrackList by a tracks id
+ *
+ * @param {String} id - the id of the track to get
+ * @method getTrackById
+ * @return {Track}
+ * @private
+ */
+
+
+ TrackList.prototype.getTrackById = function getTrackById(id) {
+ var result = null;
+
+ for (var i = 0, l = this.length; i < l; i++) {
+ var track = this[i];
+
+ if (track.id === id) {
+ result = track;
+ break;
+ }
+ }
+
+ return result;
+ };
+
+ return TrackList;
+}(EventTarget);
+
+/**
+ * Triggered when a different track is selected/enabled.
+ *
+ * @event TrackList#change
+ * @type {EventTarget~Event}
+ */
+
+/**
+ * Events that can be called with on + eventName. See {@link EventHandler}.
+ *
+ * @property {Object} TrackList#allowedEvents_
+ * @private
+ */
+
+
+TrackList.prototype.allowedEvents_ = {
+ change: 'change',
+ addtrack: 'addtrack',
+ removetrack: 'removetrack'
+};
+
+// emulate attribute EventHandler support to allow for feature detection
+for (var event in TrackList.prototype.allowedEvents_) {
+ TrackList.prototype['on' + event] = null;
+}
+
+/**
+ * @file audio-track-list.js
+ */
+/**
+ * Anywhere we call this function we diverge from the spec
+ * as we only support one enabled audiotrack at a time
+ *
+ * @param {AudioTrackList} list
+ * list to work on
+ *
+ * @param {AudioTrack} track
+ * The track to skip
+ *
+ * @private
+ */
+var disableOthers = function disableOthers(list, track) {
+ for (var i = 0; i < list.length; i++) {
+ if (!Object.keys(list[i]).length || track.id === list[i].id) {
+ continue;
+ }
+ // another audio track is enabled, disable it
+ list[i].enabled = false;
+ }
+};
+
+/**
+ * The current list of {@link AudioTrack} for a media file.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotracklist}
+ * @extends TrackList
+ */
+
+var AudioTrackList = function (_TrackList) {
+ inherits(AudioTrackList, _TrackList);
+
+ /**
+ * Create an instance of this class.
+ *
+ * @param {AudioTrack[]} [tracks=[]]
+ * A list of `AudioTrack` to instantiate the list with.
+ */
+ function AudioTrackList() {
+ var _this, _ret;
+
+ var tracks = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
+ classCallCheck(this, AudioTrackList);
+
+ var list = void 0;
+
+ // make sure only 1 track is enabled
+ // sorted from last index to first index
+ for (var i = tracks.length - 1; i >= 0; i--) {
+ if (tracks[i].enabled) {
+ disableOthers(tracks, tracks[i]);
+ break;
+ }
+ }
+
+ // IE8 forces us to implement inheritance ourselves
+ // as it does not support Object.defineProperty properly
+ if (IS_IE8) {
+ list = document_1.createElement('custom');
+ for (var prop in TrackList.prototype) {
+ if (prop !== 'constructor') {
+ list[prop] = TrackList.prototype[prop];
+ }
+ }
+ for (var _prop in AudioTrackList.prototype) {
+ if (_prop !== 'constructor') {
+ list[_prop] = AudioTrackList.prototype[_prop];
+ }
+ }
+ }
+
+ list = (_this = possibleConstructorReturn(this, _TrackList.call(this, tracks, list)), _this);
+ list.changing_ = false;
+
+ return _ret = list, possibleConstructorReturn(_this, _ret);
+ }
+
+ /**
+ * Add an {@link AudioTrack} to the `AudioTrackList`.
+ *
+ * @param {AudioTrack} track
+ * The AudioTrack to add to the list
+ *
+ * @fires TrackList#addtrack
+ */
+
+
+ AudioTrackList.prototype.addTrack = function addTrack(track) {
+ var _this2 = this;
+
+ if (track.enabled) {
+ disableOthers(this, track);
+ }
+
+ _TrackList.prototype.addTrack.call(this, track);
+ // native tracks don't have this
+ if (!track.addEventListener) {
+ return;
+ }
+
+ /**
+ * @listens AudioTrack#enabledchange
+ * @fires TrackList#change
+ */
+ track.addEventListener('enabledchange', function () {
+ // when we are disabling other tracks (since we don't support
+ // more than one track at a time) we will set changing_
+ // to true so that we don't trigger additional change events
+ if (_this2.changing_) {
+ return;
+ }
+ _this2.changing_ = true;
+ disableOthers(_this2, track);
+ _this2.changing_ = false;
+ _this2.trigger('change');
+ });
+ };
+
+ return AudioTrackList;
+}(TrackList);
+
+/**
+ * @file video-track-list.js
+ */
+/**
+ * Un-select all other {@link VideoTrack}s that are selected.
+ *
+ * @param {VideoTrackList} list
+ * list to work on
+ *
+ * @param {VideoTrack} track
+ * The track to skip
+ *
+ * @private
+ */
+var disableOthers$1 = function disableOthers(list, track) {
+ for (var i = 0; i < list.length; i++) {
+ if (!Object.keys(list[i]).length || track.id === list[i].id) {
+ continue;
+ }
+ // another video track is enabled, disable it
+ list[i].selected = false;
+ }
+};
+
+/**
+ * The current list of {@link VideoTrack} for a video.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#videotracklist}
+ * @extends TrackList
+ */
+
+var VideoTrackList = function (_TrackList) {
+ inherits(VideoTrackList, _TrackList);
+
+ /**
+ * Create an instance of this class.
+ *
+ * @param {VideoTrack[]} [tracks=[]]
+ * A list of `VideoTrack` to instantiate the list with.
+ */
+ function VideoTrackList() {
+ var _this, _ret;
+
+ var tracks = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
+ classCallCheck(this, VideoTrackList);
+
+ var list = void 0;
+
+ // make sure only 1 track is enabled
+ // sorted from last index to first index
+ for (var i = tracks.length - 1; i >= 0; i--) {
+ if (tracks[i].selected) {
+ disableOthers$1(tracks, tracks[i]);
+ break;
+ }
+ }
+
+ // IE8 forces us to implement inheritance ourselves
+ // as it does not support Object.defineProperty properly
+ if (IS_IE8) {
+ list = document_1.createElement('custom');
+ for (var prop in TrackList.prototype) {
+ if (prop !== 'constructor') {
+ list[prop] = TrackList.prototype[prop];
+ }
+ }
+ for (var _prop in VideoTrackList.prototype) {
+ if (_prop !== 'constructor') {
+ list[_prop] = VideoTrackList.prototype[_prop];
+ }
+ }
+ }
+
+ list = (_this = possibleConstructorReturn(this, _TrackList.call(this, tracks, list)), _this);
+ list.changing_ = false;
+
+ /**
+ * @member {number} VideoTrackList#selectedIndex
+ * The current index of the selected {@link VideoTrack`}.
+ */
+ Object.defineProperty(list, 'selectedIndex', {
+ get: function get$$1() {
+ for (var _i = 0; _i < this.length; _i++) {
+ if (this[_i].selected) {
+ return _i;
+ }
+ }
+ return -1;
+ },
+ set: function set$$1() {}
+ });
+
+ return _ret = list, possibleConstructorReturn(_this, _ret);
+ }
+
+ /**
+ * Add a {@link VideoTrack} to the `VideoTrackList`.
+ *
+ * @param {VideoTrack} track
+ * The VideoTrack to add to the list
+ *
+ * @fires TrackList#addtrack
+ */
+
+
+ VideoTrackList.prototype.addTrack = function addTrack(track) {
+ var _this2 = this;
+
+ if (track.selected) {
+ disableOthers$1(this, track);
+ }
+
+ _TrackList.prototype.addTrack.call(this, track);
+ // native tracks don't have this
+ if (!track.addEventListener) {
+ return;
+ }
+
+ /**
+ * @listens VideoTrack#selectedchange
+ * @fires TrackList#change
+ */
+ track.addEventListener('selectedchange', function () {
+ if (_this2.changing_) {
+ return;
+ }
+ _this2.changing_ = true;
+ disableOthers$1(_this2, track);
+ _this2.changing_ = false;
+ _this2.trigger('change');
+ });
+ };
+
+ return VideoTrackList;
+}(TrackList);
+
+/**
+ * @file text-track-list.js
+ */
+/**
+ * The current list of {@link TextTrack} for a media file.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttracklist}
+ * @extends TrackList
+ */
+
+var TextTrackList = function (_TrackList) {
+ inherits(TextTrackList, _TrackList);
+
+ /**
+ * Create an instance of this class.
+ *
+ * @param {TextTrack[]} [tracks=[]]
+ * A list of `TextTrack` to instantiate the list with.
+ */
+ function TextTrackList() {
+ var _this, _ret;
+
+ var tracks = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
+ classCallCheck(this, TextTrackList);
+
+ var list = void 0;
+
+ // IE8 forces us to implement inheritance ourselves
+ // as it does not support Object.defineProperty properly
+ if (IS_IE8) {
+ list = document_1.createElement('custom');
+ for (var prop in TrackList.prototype) {
+ if (prop !== 'constructor') {
+ list[prop] = TrackList.prototype[prop];
+ }
+ }
+ for (var _prop in TextTrackList.prototype) {
+ if (_prop !== 'constructor') {
+ list[_prop] = TextTrackList.prototype[_prop];
+ }
+ }
+ }
+
+ list = (_this = possibleConstructorReturn(this, _TrackList.call(this, tracks, list)), _this);
+ return _ret = list, possibleConstructorReturn(_this, _ret);
+ }
+
+ /**
+ * Add a {@link TextTrack} to the `TextTrackList`
+ *
+ * @param {TextTrack} track
+ * The text track to add to the list.
+ *
+ * @fires TrackList#addtrack
+ */
+
+
+ TextTrackList.prototype.addTrack = function addTrack(track) {
+ _TrackList.prototype.addTrack.call(this, track);
+
+ /**
+ * @listens TextTrack#modechange
+ * @fires TrackList#change
+ */
+ track.addEventListener('modechange', bind(this, function () {
+ this.trigger('change');
+ }));
+
+ var nonLanguageTextTrackKind = ['metadata', 'chapters'];
+
+ if (nonLanguageTextTrackKind.indexOf(track.kind) === -1) {
+ track.addEventListener('modechange', bind(this, function () {
+ this.trigger('selectedlanguagechange');
+ }));
+ }
+ };
+
+ return TextTrackList;
+}(TrackList);
+
+/**
+ * @file html-track-element-list.js
+ */
+
+/**
+ * The current list of {@link HtmlTrackElement}s.
+ */
+
+var HtmlTrackElementList = function () {
+
+ /**
+ * Create an instance of this class.
+ *
+ * @param {HtmlTrackElement[]} [tracks=[]]
+ * A list of `HtmlTrackElement` to instantiate the list with.
+ */
+ function HtmlTrackElementList() {
+ var trackElements = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
+ classCallCheck(this, HtmlTrackElementList);
+
+ var list = this; // eslint-disable-line
+
+ if (IS_IE8) {
+ list = document_1.createElement('custom');
+
+ for (var prop in HtmlTrackElementList.prototype) {
+ if (prop !== 'constructor') {
+ list[prop] = HtmlTrackElementList.prototype[prop];
+ }
+ }
+ }
+
+ list.trackElements_ = [];
+
+ /**
+ * @memberof HtmlTrackElementList
+ * @member {number} length
+ * The current number of `Track`s in the this Trackist.
+ * @instance
+ */
+ Object.defineProperty(list, 'length', {
+ get: function get$$1() {
+ return this.trackElements_.length;
+ }
+ });
+
+ for (var i = 0, length = trackElements.length; i < length; i++) {
+ list.addTrackElement_(trackElements[i]);
+ }
+
+ if (IS_IE8) {
+ return list;
+ }
+ }
+
+ /**
+ * Add an {@link HtmlTrackElement} to the `HtmlTrackElementList`
+ *
+ * @param {HtmlTrackElement} trackElement
+ * The track element to add to the list.
+ *
+ * @private
+ */
+
+
+ HtmlTrackElementList.prototype.addTrackElement_ = function addTrackElement_(trackElement) {
+ var index = this.trackElements_.length;
+
+ if (!('' + index in this)) {
+ Object.defineProperty(this, index, {
+ get: function get$$1() {
+ return this.trackElements_[index];
+ }
+ });
+ }
+
+ // Do not add duplicate elements
+ if (this.trackElements_.indexOf(trackElement) === -1) {
+ this.trackElements_.push(trackElement);
+ }
+ };
+
+ /**
+ * Get an {@link HtmlTrackElement} from the `HtmlTrackElementList` given an
+ * {@link TextTrack}.
+ *
+ * @param {TextTrack} track
+ * The track associated with a track element.
+ *
+ * @return {HtmlTrackElement|undefined}
+ * The track element that was found or undefined.
+ *
+ * @private
+ */
+
+
+ HtmlTrackElementList.prototype.getTrackElementByTrack_ = function getTrackElementByTrack_(track) {
+ var trackElement_ = void 0;
+
+ for (var i = 0, length = this.trackElements_.length; i < length; i++) {
+ if (track === this.trackElements_[i].track) {
+ trackElement_ = this.trackElements_[i];
+
+ break;
+ }
+ }
+
+ return trackElement_;
+ };
+
+ /**
+ * Remove a {@link HtmlTrackElement} from the `HtmlTrackElementList`
+ *
+ * @param {HtmlTrackElement} trackElement
+ * The track element to remove from the list.
+ *
+ * @private
+ */
+
+
+ HtmlTrackElementList.prototype.removeTrackElement_ = function removeTrackElement_(trackElement) {
+ for (var i = 0, length = this.trackElements_.length; i < length; i++) {
+ if (trackElement === this.trackElements_[i]) {
+ this.trackElements_.splice(i, 1);
+
+ break;
+ }
+ }
+ };
+
+ return HtmlTrackElementList;
+}();
+
+/**
+ * @file text-track-cue-list.js
+ */
+/**
+ * @typedef {Object} TextTrackCueList~TextTrackCue
+ *
+ * @property {string} id
+ * The unique id for this text track cue
+ *
+ * @property {number} startTime
+ * The start time for this text track cue
+ *
+ * @property {number} endTime
+ * The end time for this text track cue
+ *
+ * @property {boolean} pauseOnExit
+ * Pause when the end time is reached if true.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackcue}
+ */
+
+/**
+ * A List of TextTrackCues.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackcuelist}
+ */
+
+var TextTrackCueList = function () {
+
+ /**
+ * Create an instance of this class..
+ *
+ * @param {Array} cues
+ * A list of cues to be initialized with
+ */
+ function TextTrackCueList(cues) {
+ classCallCheck(this, TextTrackCueList);
+
+ var list = this; // eslint-disable-line
+
+ if (IS_IE8) {
+ list = document_1.createElement('custom');
+
+ for (var prop in TextTrackCueList.prototype) {
+ if (prop !== 'constructor') {
+ list[prop] = TextTrackCueList.prototype[prop];
+ }
+ }
+ }
+
+ TextTrackCueList.prototype.setCues_.call(list, cues);
+
+ /**
+ * @memberof TextTrackCueList
+ * @member {number} length
+ * The current number of `TextTrackCue`s in the TextTrackCueList.
+ * @instance
+ */
+ Object.defineProperty(list, 'length', {
+ get: function get$$1() {
+ return this.length_;
+ }
+ });
+
+ if (IS_IE8) {
+ return list;
+ }
+ }
+
+ /**
+ * A setter for cues in this list. Creates getters
+ * an an index for the cues.
+ *
+ * @param {Array} cues
+ * An array of cues to set
+ *
+ * @private
+ */
+
+
+ TextTrackCueList.prototype.setCues_ = function setCues_(cues) {
+ var oldLength = this.length || 0;
+ var i = 0;
+ var l = cues.length;
+
+ this.cues_ = cues;
+ this.length_ = cues.length;
+
+ var defineProp = function defineProp(index) {
+ if (!('' + index in this)) {
+ Object.defineProperty(this, '' + index, {
+ get: function get$$1() {
+ return this.cues_[index];
+ }
+ });
+ }
+ };
+
+ if (oldLength < l) {
+ i = oldLength;
+
+ for (; i < l; i++) {
+ defineProp.call(this, i);
+ }
+ }
+ };
+
+ /**
+ * Get a `TextTrackCue` that is currently in the `TextTrackCueList` by id.
+ *
+ * @param {string} id
+ * The id of the cue that should be searched for.
+ *
+ * @return {TextTrackCueList~TextTrackCue|null}
+ * A single cue or null if none was found.
+ */
+
+
+ TextTrackCueList.prototype.getCueById = function getCueById(id) {
+ var result = null;
+
+ for (var i = 0, l = this.length; i < l; i++) {
+ var cue = this[i];
+
+ if (cue.id === id) {
+ result = cue;
+ break;
+ }
+ }
+
+ return result;
+ };
+
+ return TextTrackCueList;
+}();
+
+/**
+ * @file track-kinds.js
+ */
+
+/**
+ * All possible `VideoTrackKind`s
+ *
+ * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-videotrack-kind
+ * @typedef VideoTrack~Kind
+ * @enum
+ */
+var VideoTrackKind = {
+ alternative: 'alternative',
+ captions: 'captions',
+ main: 'main',
+ sign: 'sign',
+ subtitles: 'subtitles',
+ commentary: 'commentary'
+};
+
+/**
+ * All possible `AudioTrackKind`s
+ *
+ * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-audiotrack-kind
+ * @typedef AudioTrack~Kind
+ * @enum
+ */
+var AudioTrackKind = {
+ 'alternative': 'alternative',
+ 'descriptions': 'descriptions',
+ 'main': 'main',
+ 'main-desc': 'main-desc',
+ 'translation': 'translation',
+ 'commentary': 'commentary'
+};
+
+/**
+ * All possible `TextTrackKind`s
+ *
+ * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-texttrack-kind
+ * @typedef TextTrack~Kind
+ * @enum
+ */
+var TextTrackKind = {
+ subtitles: 'subtitles',
+ captions: 'captions',
+ descriptions: 'descriptions',
+ chapters: 'chapters',
+ metadata: 'metadata'
+};
+
+/**
+ * All possible `TextTrackMode`s
+ *
+ * @see https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackmode
+ * @typedef TextTrack~Mode
+ * @enum
+ */
+var TextTrackMode = {
+ disabled: 'disabled',
+ hidden: 'hidden',
+ showing: 'showing'
+};
+
+/**
+ * @file track.js
+ */
+/**
+ * A Track class that contains all of the common functionality for {@link AudioTrack},
+ * {@link VideoTrack}, and {@link TextTrack}.
+ *
+ * > Note: This class should not be used directly
+ *
+ * @see {@link https://html.spec.whatwg.org/multipage/embedded-content.html}
+ * @extends EventTarget
+ * @abstract
+ */
+
+var Track = function (_EventTarget) {
+ inherits(Track, _EventTarget);
+
+ /**
+ * Create an instance of this class.
+ *
+ * @param {Object} [options={}]
+ * Object of option names and values
+ *
+ * @param {string} [options.kind='']
+ * A valid kind for the track type you are creating.
+ *
+ * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
+ * A unique id for this AudioTrack.
+ *
+ * @param {string} [options.label='']
+ * The menu label for this track.
+ *
+ * @param {string} [options.language='']
+ * A valid two character language code.
+ *
+ * @abstract
+ */
+ function Track() {
+ var _ret;
+
+ var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+ classCallCheck(this, Track);
+
+ var _this = possibleConstructorReturn(this, _EventTarget.call(this));
+
+ var track = _this; // eslint-disable-line
+
+ if (IS_IE8) {
+ track = document_1.createElement('custom');
+ for (var prop in Track.prototype) {
+ if (prop !== 'constructor') {
+ track[prop] = Track.prototype[prop];
+ }
+ }
+ }
+
+ var trackProps = {
+ id: options.id || 'vjs_track_' + newGUID(),
+ kind: options.kind || '',
+ label: options.label || '',
+ language: options.language || ''
+ };
+
+ /**
+ * @memberof Track
+ * @member {string} id
+ * The id of this track. Cannot be changed after creation.
+ * @instance
+ *
+ * @readonly
+ */
+
+ /**
+ * @memberof Track
+ * @member {string} kind
+ * The kind of track that this is. Cannot be changed after creation.
+ * @instance
+ *
+ * @readonly
+ */
+
+ /**
+ * @memberof Track
+ * @member {string} label
+ * The label of this track. Cannot be changed after creation.
+ * @instance
+ *
+ * @readonly
+ */
+
+ /**
+ * @memberof Track
+ * @member {string} language
+ * The two letter language code for this track. Cannot be changed after
+ * creation.
+ * @instance
+ *
+ * @readonly
+ */
+
+ var _loop = function _loop(key) {
+ Object.defineProperty(track, key, {
+ get: function get$$1() {
+ return trackProps[key];
+ },
+ set: function set$$1() {}
+ });
+ };
+
+ for (var key in trackProps) {
+ _loop(key);
+ }
+
+ return _ret = track, possibleConstructorReturn(_this, _ret);
+ }
+
+ return Track;
+}(EventTarget);
+
+/**
+ * @file url.js
+ * @module url
+ */
+/**
+ * @typedef {Object} url:URLObject
+ *
+ * @property {string} protocol
+ * The protocol of the url that was parsed.
+ *
+ * @property {string} hostname
+ * The hostname of the url that was parsed.
+ *
+ * @property {string} port
+ * The port of the url that was parsed.
+ *
+ * @property {string} pathname
+ * The pathname of the url that was parsed.
+ *
+ * @property {string} search
+ * The search query of the url that was parsed.
+ *
+ * @property {string} hash
+ * The hash of the url that was parsed.
+ *
+ * @property {string} host
+ * The host of the url that was parsed.
+ */
+
+/**
+ * Resolve and parse the elements of a URL.
+ *
+ * @param {String} url
+ * The url to parse
+ *
+ * @return {url:URLObject}
+ * An object of url details
+ */
+var parseUrl = function parseUrl(url) {
+ var props = ['protocol', 'hostname', 'port', 'pathname', 'search', 'hash', 'host'];
+
+ // add the url to an anchor and let the browser parse the URL
+ var a = document_1.createElement('a');
+
+ a.href = url;
+
+ // IE8 (and 9?) Fix
+ // ie8 doesn't parse the URL correctly until the anchor is actually
+ // added to the body, and an innerHTML is needed to trigger the parsing
+ var addToBody = a.host === '' && a.protocol !== 'file:';
+ var div = void 0;
+
+ if (addToBody) {
+ div = document_1.createElement('div');
+ div.innerHTML = '<a href="' + url + '"></a>';
+ a = div.firstChild;
+ // prevent the div from affecting layout
+ div.setAttribute('style', 'display:none; position:absolute;');
+ document_1.body.appendChild(div);
+ }
+
+ // Copy the specific URL properties to a new object
+ // This is also needed for IE8 because the anchor loses its
+ // properties when it's removed from the dom
+ var details = {};
+
+ for (var i = 0; i < props.length; i++) {
+ details[props[i]] = a[props[i]];
+ }
+
+ // IE9 adds the port to the host property unlike everyone else. If
+ // a port identifier is added for standard ports, strip it.
+ if (details.protocol === 'http:') {
+ details.host = details.host.replace(/:80$/, '');
+ }
+
+ if (details.protocol === 'https:') {
+ details.host = details.host.replace(/:443$/, '');
+ }
+
+ if (!details.protocol) {
+ details.protocol = window_1.location.protocol;
+ }
+
+ if (addToBody) {
+ document_1.body.removeChild(div);
+ }
+
+ return details;
+};
+
+/**
+ * Get absolute version of relative URL. Used to tell flash correct URL.
+ *
+ *
+ * @param {string} url
+ * URL to make absolute
+ *
+ * @return {string}
+ * Absolute URL
+ *
+ * @see http://stackoverflow.com/questions/470832/getting-an-absolute-url-from-a-relative-one-ie6-issue
+ */
+var getAbsoluteURL = function getAbsoluteURL(url) {
+ // Check if absolute URL
+ if (!url.match(/^https?:\/\//)) {
+ // Convert to absolute URL. Flash hosted off-site needs an absolute URL.
+ var div = document_1.createElement('div');
+
+ div.innerHTML = '<a href="' + url + '">x</a>';
+ url = div.firstChild.href;
+ }
+
+ return url;
+};
+
+/**
+ * Returns the extension of the passed file name. It will return an empty string
+ * if passed an invalid path.
+ *
+ * @param {string} path
+ * The fileName path like '/path/to/file.mp4'
+ *
+ * @returns {string}
+ * The extension in lower case or an empty string if no
+ * extension could be found.
+ */
+var getFileExtension = function getFileExtension(path) {
+ if (typeof path === 'string') {
+ var splitPathRe = /^(\/?)([\s\S]*?)((?:\.{1,2}|[^\/]+?)(\.([^\.\/\?]+)))(?:[\/]*|[\?].*)$/i;
+ var pathParts = splitPathRe.exec(path);
+
+ if (pathParts) {
+ return pathParts.pop().toLowerCase();
+ }
+ }
+
+ return '';
+};
+
+/**
+ * Returns whether the url passed is a cross domain request or not.
+ *
+ * @param {string} url
+ * The url to check.
+ *
+ * @return {boolean}
+ * Whether it is a cross domain request or not.
+ */
+var isCrossOrigin = function isCrossOrigin(url) {
+ var winLoc = window_1.location;
+ var urlInfo = parseUrl(url);
+
+ // IE8 protocol relative urls will return ':' for protocol
+ var srcProtocol = urlInfo.protocol === ':' ? winLoc.protocol : urlInfo.protocol;
+
+ // Check if url is for another domain/origin
+ // IE8 doesn't know location.origin, so we won't rely on it here
+ var crossOrigin = srcProtocol + urlInfo.host !== winLoc.protocol + winLoc.host;
+
+ return crossOrigin;
+};
+
+var Url = (Object.freeze || Object)({
+ parseUrl: parseUrl,
+ getAbsoluteURL: getAbsoluteURL,
+ getFileExtension: getFileExtension,
+ isCrossOrigin: isCrossOrigin
+});
+
+var isFunction_1 = isFunction;
+
+var toString$1 = Object.prototype.toString;
+
+function isFunction (fn) {
+ var string = toString$1.call(fn);
+ return string === '[object Function]' ||
+ (typeof fn === 'function' && string !== '[object RegExp]') ||
+ (typeof window !== 'undefined' &&
+ // IE8 and below
+ (fn === window.setTimeout ||
+ fn === window.alert ||
+ fn === window.confirm ||
+ fn === window.prompt))
+}
+
+var trim_1 = createCommonjsModule(function (module, exports) {
+exports = module.exports = trim;
+
+function trim(str){
+ return str.replace(/^\s*|\s*$/g, '');
+}
+
+exports.left = function(str){
+ return str.replace(/^\s*/, '');
+};
+
+exports.right = function(str){
+ return str.replace(/\s*$/, '');
+};
+});
+
+var forEach_1 = forEach;
+
+var toString$2 = Object.prototype.toString;
+var hasOwnProperty = Object.prototype.hasOwnProperty;
+
+function forEach(list, iterator, context) {
+ if (!isFunction_1(iterator)) {
+ throw new TypeError('iterator must be a function')
+ }
+
+ if (arguments.length < 3) {
+ context = this;
+ }
+
+ if (toString$2.call(list) === '[object Array]')
+ forEachArray$1(list, iterator, context);
+ else if (typeof list === 'string')
+ forEachString(list, iterator, context);
+ else
+ forEachObject(list, iterator, context);
+}
+
+function forEachArray$1(array, iterator, context) {
+ for (var i = 0, len = array.length; i < len; i++) {
+ if (hasOwnProperty.call(array, i)) {
+ iterator.call(context, array[i], i, array);
+ }
+ }
+}
+
+function forEachString(string, iterator, context) {
+ for (var i = 0, len = string.length; i < len; i++) {
+ // no such thing as a sparse string.
+ iterator.call(context, string.charAt(i), i, string);
+ }
+}
+
+function forEachObject(object, iterator, context) {
+ for (var k in object) {
+ if (hasOwnProperty.call(object, k)) {
+ iterator.call(context, object[k], k, object);
+ }
+ }
+}
+
+var isArray = function(arg) {
+ return Object.prototype.toString.call(arg) === '[object Array]';
+ };
+
+var parseHeaders = function (headers) {
+ if (!headers)
+ return {}
+
+ var result = {};
+
+ forEach_1(
+ trim_1(headers).split('\n')
+ , function (row) {
+ var index = row.indexOf(':')
+ , key = trim_1(row.slice(0, index)).toLowerCase()
+ , value = trim_1(row.slice(index + 1));
+
+ if (typeof(result[key]) === 'undefined') {
+ result[key] = value;
+ } else if (isArray(result[key])) {
+ result[key].push(value);
+ } else {
+ result[key] = [ result[key], value ];
+ }
+ }
+ );
+
+ return result
+};
+
+var immutable = extend;
+
+var hasOwnProperty$1 = Object.prototype.hasOwnProperty;
+
+function extend() {
+ var target = {};
+
+ for (var i = 0; i < arguments.length; i++) {
+ var source = arguments[i];
+
+ for (var key in source) {
+ if (hasOwnProperty$1.call(source, key)) {
+ target[key] = source[key];
+ }
+ }
+ }
+
+ return target
+}
+
+var xhr = createXHR;
+createXHR.XMLHttpRequest = window_1.XMLHttpRequest || noop;
+createXHR.XDomainRequest = "withCredentials" in (new createXHR.XMLHttpRequest()) ? createXHR.XMLHttpRequest : window_1.XDomainRequest;
+
+forEachArray(["get", "put", "post", "patch", "head", "delete"], function(method) {
+ createXHR[method === "delete" ? "del" : method] = function(uri, options, callback) {
+ options = initParams(uri, options, callback);
+ options.method = method.toUpperCase();
+ return _createXHR(options)
+ };
+});
+
+function forEachArray(array, iterator) {
+ for (var i = 0; i < array.length; i++) {
+ iterator(array[i]);
+ }
+}
+
+function isEmpty(obj){
+ for(var i in obj){
+ if(obj.hasOwnProperty(i)) return false
+ }
+ return true
+}
+
+function initParams(uri, options, callback) {
+ var params = uri;
+
+ if (isFunction_1(options)) {
+ callback = options;
+ if (typeof uri === "string") {
+ params = {uri:uri};
+ }
+ } else {
+ params = immutable(options, {uri: uri});
+ }
+
+ params.callback = callback;
+ return params
+}
+
+function createXHR(uri, options, callback) {
+ options = initParams(uri, options, callback);
+ return _createXHR(options)
+}
+
+function _createXHR(options) {
+ if(typeof options.callback === "undefined"){
+ throw new Error("callback argument missing")
+ }
+
+ var called = false;
+ var callback = function cbOnce(err, response, body){
+ if(!called){
+ called = true;
+ options.callback(err, response, body);
+ }
+ };
+
+ function readystatechange() {
+ if (xhr.readyState === 4) {
+ setTimeout(loadFunc, 0);
+ }
+ }
+
+ function getBody() {
+ // Chrome with requestType=blob throws errors arround when even testing access to responseText
+ var body = undefined;
+
+ if (xhr.response) {
+ body = xhr.response;
+ } else {
+ body = xhr.responseText || getXml(xhr);
+ }
+
+ if (isJson) {
+ try {
+ body = JSON.parse(body);
+ } catch (e) {}
+ }
+
+ return body
+ }
+
+ function errorFunc(evt) {
+ clearTimeout(timeoutTimer);
+ if(!(evt instanceof Error)){
+ evt = new Error("" + (evt || "Unknown XMLHttpRequest Error") );
+ }
+ evt.statusCode = 0;
+ return callback(evt, failureResponse)
+ }
+
+ // will load the data & process the response in a special response object
+ function loadFunc() {
+ if (aborted) return
+ var status;
+ clearTimeout(timeoutTimer);
+ if(options.useXDR && xhr.status===undefined) {
+ //IE8 CORS GET successful response doesn't have a status field, but body is fine
+ status = 200;
+ } else {
+ status = (xhr.status === 1223 ? 204 : xhr.status);
+ }
+ var response = failureResponse;
+ var err = null;
+
+ if (status !== 0){
+ response = {
+ body: getBody(),
+ statusCode: status,
+ method: method,
+ headers: {},
+ url: uri,
+ rawRequest: xhr
+ };
+ if(xhr.getAllResponseHeaders){ //remember xhr can in fact be XDR for CORS in IE
+ response.headers = parseHeaders(xhr.getAllResponseHeaders());
+ }
+ } else {
+ err = new Error("Internal XMLHttpRequest Error");
+ }
+ return callback(err, response, response.body)
+ }
+
+ var xhr = options.xhr || null;
+
+ if (!xhr) {
+ if (options.cors || options.useXDR) {
+ xhr = new createXHR.XDomainRequest();
+ }else{
+ xhr = new createXHR.XMLHttpRequest();
+ }
+ }
+
+ var key;
+ var aborted;
+ var uri = xhr.url = options.uri || options.url;
+ var method = xhr.method = options.method || "GET";
+ var body = options.body || options.data;
+ var headers = xhr.headers = options.headers || {};
+ var sync = !!options.sync;
+ var isJson = false;
+ var timeoutTimer;
+ var failureResponse = {
+ body: undefined,
+ headers: {},
+ statusCode: 0,
+ method: method,
+ url: uri,
+ rawRequest: xhr
+ };
+
+ if ("json" in options && options.json !== false) {
+ isJson = true;
+ headers["accept"] || headers["Accept"] || (headers["Accept"] = "application/json"); //Don't override existing accept header declared by user
+ if (method !== "GET" && method !== "HEAD") {
+ headers["content-type"] || headers["Content-Type"] || (headers["Content-Type"] = "application/json"); //Don't override existing accept header declared by user
+ body = JSON.stringify(options.json === true ? body : options.json);
+ }
+ }
+
+ xhr.onreadystatechange = readystatechange;
+ xhr.onload = loadFunc;
+ xhr.onerror = errorFunc;
+ // IE9 must have onprogress be set to a unique function.
+ xhr.onprogress = function () {
+ // IE must die
+ };
+ xhr.onabort = function(){
+ aborted = true;
+ };
+ xhr.ontimeout = errorFunc;
+ xhr.open(method, uri, !sync, options.username, options.password);
+ //has to be after open
+ if(!sync) {
+ xhr.withCredentials = !!options.withCredentials;
+ }
+ // Cannot set timeout with sync request
+ // not setting timeout on the xhr object, because of old webkits etc. not handling that correctly
+ // both npm's request and jquery 1.x use this kind of timeout, so this is being consistent
+ if (!sync && options.timeout > 0 ) {
+ timeoutTimer = setTimeout(function(){
+ if (aborted) return
+ aborted = true;//IE9 may still call readystatechange
+ xhr.abort("timeout");
+ var e = new Error("XMLHttpRequest timeout");
+ e.code = "ETIMEDOUT";
+ errorFunc(e);
+ }, options.timeout );
+ }
+
+ if (xhr.setRequestHeader) {
+ for(key in headers){
+ if(headers.hasOwnProperty(key)){
+ xhr.setRequestHeader(key, headers[key]);
+ }
+ }
+ } else if (options.headers && !isEmpty(options.headers)) {
+ throw new Error("Headers cannot be set on an XDomainRequest object")
+ }
+
+ if ("responseType" in options) {
+ xhr.responseType = options.responseType;
+ }
+
+ if ("beforeSend" in options &&
+ typeof options.beforeSend === "function"
+ ) {
+ options.beforeSend(xhr);
+ }
+
+ // Microsoft Edge browser sends "undefined" when send is called with undefined value.
+ // XMLHttpRequest spec says to pass null as body to indicate no body
+ // See https://github.com/naugtur/xhr/issues/100.
+ xhr.send(body || null);
+
+ return xhr
+
+
+}
+
+function getXml(xhr) {
+ if (xhr.responseType === "document") {
+ return xhr.responseXML
+ }
+ var firefoxBugTakenEffect = xhr.responseXML && xhr.responseXML.documentElement.nodeName === "parsererror";
+ if (xhr.responseType === "" && !firefoxBugTakenEffect) {
+ return xhr.responseXML
+ }
+
+ return null
+}
+
+function noop() {}
+
+/**
+ * @file text-track.js
+ */
+/**
+ * Takes a webvtt file contents and parses it into cues
+ *
+ * @param {string} srcContent
+ * webVTT file contents
+ *
+ * @param {TextTrack} track
+ * TextTrack to add cues to. Cues come from the srcContent.
+ *
+ * @private
+ */
+var parseCues = function parseCues(srcContent, track) {
+ var parser = new window_1.WebVTT.Parser(window_1, window_1.vttjs, window_1.WebVTT.StringDecoder());
+ var errors = [];
+
+ parser.oncue = function (cue) {
+ track.addCue(cue);
+ };
+
+ parser.onparsingerror = function (error) {
+ errors.push(error);
+ };
+
+ parser.onflush = function () {
+ track.trigger({
+ type: 'loadeddata',
+ target: track
+ });
+ };
+
+ parser.parse(srcContent);
+ if (errors.length > 0) {
+ if (window_1.console && window_1.console.groupCollapsed) {
+ window_1.console.groupCollapsed('Text Track parsing errors for ' + track.src);
+ }
+ errors.forEach(function (error) {
+ return log$1.error(error);
+ });
+ if (window_1.console && window_1.console.groupEnd) {
+ window_1.console.groupEnd();
+ }
+ }
+
+ parser.flush();
+};
+
+/**
+ * Load a `TextTrack` from a specifed url.
+ *
+ * @param {string} src
+ * Url to load track from.
+ *
+ * @param {TextTrack} track
+ * Track to add cues to. Comes from the content at the end of `url`.
+ *
+ * @private
+ */
+var loadTrack = function loadTrack(src, track) {
+ var opts = {
+ uri: src
+ };
+ var crossOrigin = isCrossOrigin(src);
+
+ if (crossOrigin) {
+ opts.cors = crossOrigin;
+ }
+
+ xhr(opts, bind(this, function (err, response, responseBody) {
+ if (err) {
+ return log$1.error(err, response);
+ }
+
+ track.loaded_ = true;
+
+ // Make sure that vttjs has loaded, otherwise, wait till it finished loading
+ // NOTE: this is only used for the alt/video.novtt.js build
+ if (typeof window_1.WebVTT !== 'function') {
+ if (track.tech_) {
+ var loadHandler = function loadHandler() {
+ return parseCues(responseBody, track);
+ };
+
+ track.tech_.on('vttjsloaded', loadHandler);
+ track.tech_.on('vttjserror', function () {
+ log$1.error('vttjs failed to load, stopping trying to process ' + track.src);
+ track.tech_.off('vttjsloaded', loadHandler);
+ });
+ }
+ } else {
+ parseCues(responseBody, track);
+ }
+ }));
+};
+
+/**
+ * A representation of a single `TextTrack`.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrack}
+ * @extends Track
+ */
+
+var TextTrack = function (_Track) {
+ inherits(TextTrack, _Track);
+
+ /**
+ * Create an instance of this class.
+ *
+ * @param {Object} options={}
+ * Object of option names and values
+ *
+ * @param {Tech} options.tech
+ * A reference to the tech that owns this TextTrack.
+ *
+ * @param {TextTrack~Kind} [options.kind='subtitles']
+ * A valid text track kind.
+ *
+ * @param {TextTrack~Mode} [options.mode='disabled']
+ * A valid text track mode.
+ *
+ * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
+ * A unique id for this TextTrack.
+ *
+ * @param {string} [options.label='']
+ * The menu label for this track.
+ *
+ * @param {string} [options.language='']
+ * A valid two character language code.
+ *
+ * @param {string} [options.srclang='']
+ * A valid two character language code. An alternative, but deprioritized
+ * vesion of `options.language`
+ *
+ * @param {string} [options.src]
+ * A url to TextTrack cues.
+ *
+ * @param {boolean} [options.default]
+ * If this track should default to on or off.
+ */
+ function TextTrack() {
+ var _this, _ret;
+
+ var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+ classCallCheck(this, TextTrack);
+
+ if (!options.tech) {
+ throw new Error('A tech was not provided.');
+ }
+
+ var settings = mergeOptions(options, {
+ kind: TextTrackKind[options.kind] || 'subtitles',
+ language: options.language || options.srclang || ''
+ });
+ var mode = TextTrackMode[settings.mode] || 'disabled';
+ var default_ = settings['default'];
+
+ if (settings.kind === 'metadata' || settings.kind === 'chapters') {
+ mode = 'hidden';
+ }
+ // on IE8 this will be a document element
+ // for every other browser this will be a normal object
+ var tt = (_this = possibleConstructorReturn(this, _Track.call(this, settings)), _this);
+
+ tt.tech_ = settings.tech;
+
+ if (IS_IE8) {
+ for (var prop in TextTrack.prototype) {
+ if (prop !== 'constructor') {
+ tt[prop] = TextTrack.prototype[prop];
+ }
+ }
+ }
+
+ tt.cues_ = [];
+ tt.activeCues_ = [];
+
+ var cues = new TextTrackCueList(tt.cues_);
+ var activeCues = new TextTrackCueList(tt.activeCues_);
+ var changed = false;
+ var timeupdateHandler = bind(tt, function () {
+
+ // Accessing this.activeCues for the side-effects of updating itself
+ // due to it's nature as a getter function. Do not remove or cues will
+ // stop updating!
+ /* eslint-disable no-unused-expressions */
+ this.activeCues;
+ /* eslint-enable no-unused-expressions */
+ if (changed) {
+ this.trigger('cuechange');
+ changed = false;
+ }
+ });
+
+ if (mode !== 'disabled') {
+ tt.tech_.ready(function () {
+ tt.tech_.on('timeupdate', timeupdateHandler);
+ }, true);
+ }
+
+ /**
+ * @memberof TextTrack
+ * @member {boolean} default
+ * If this track was set to be on or off by default. Cannot be changed after
+ * creation.
+ * @instance
+ *
+ * @readonly
+ */
+ Object.defineProperty(tt, 'default', {
+ get: function get$$1() {
+ return default_;
+ },
+ set: function set$$1() {}
+ });
+
+ /**
+ * @memberof TextTrack
+ * @member {string} mode
+ * Set the mode of this TextTrack to a valid {@link TextTrack~Mode}. Will
+ * not be set if setting to an invalid mode.
+ * @instance
+ *
+ * @fires TextTrack#modechange
+ */
+ Object.defineProperty(tt, 'mode', {
+ get: function get$$1() {
+ return mode;
+ },
+ set: function set$$1(newMode) {
+ var _this2 = this;
+
+ if (!TextTrackMode[newMode]) {
+ return;
+ }
+ mode = newMode;
+ if (mode === 'showing') {
+
+ this.tech_.ready(function () {
+ _this2.tech_.on('timeupdate', timeupdateHandler);
+ }, true);
+ }
+ /**
+ * An event that fires when mode changes on this track. This allows
+ * the TextTrackList that holds this track to act accordingly.
+ *
+ * > Note: This is not part of the spec!
+ *
+ * @event TextTrack#modechange
+ * @type {EventTarget~Event}
+ */
+ this.trigger('modechange');
+ }
+ });
+
+ /**
+ * @memberof TextTrack
+ * @member {TextTrackCueList} cues
+ * The text track cue list for this TextTrack.
+ * @instance
+ */
+ Object.defineProperty(tt, 'cues', {
+ get: function get$$1() {
+ if (!this.loaded_) {
+ return null;
+ }
+
+ return cues;
+ },
+ set: function set$$1() {}
+ });
+
+ /**
+ * @memberof TextTrack
+ * @member {TextTrackCueList} activeCues
+ * The list text track cues that are currently active for this TextTrack.
+ * @instance
+ */
+ Object.defineProperty(tt, 'activeCues', {
+ get: function get$$1() {
+ if (!this.loaded_) {
+ return null;
+ }
+
+ // nothing to do
+ if (this.cues.length === 0) {
+ return activeCues;
+ }
+
+ var ct = this.tech_.currentTime();
+ var active = [];
+
+ for (var i = 0, l = this.cues.length; i < l; i++) {
+ var cue = this.cues[i];
+
+ if (cue.startTime <= ct && cue.endTime >= ct) {
+ active.push(cue);
+ } else if (cue.startTime === cue.endTime && cue.startTime <= ct && cue.startTime + 0.5 >= ct) {
+ active.push(cue);
+ }
+ }
+
+ changed = false;
+
+ if (active.length !== this.activeCues_.length) {
+ changed = true;
+ } else {
+ for (var _i = 0; _i < active.length; _i++) {
+ if (this.activeCues_.indexOf(active[_i]) === -1) {
+ changed = true;
+ }
+ }
+ }
+
+ this.activeCues_ = active;
+ activeCues.setCues_(this.activeCues_);
+
+ return activeCues;
+ },
+ set: function set$$1() {}
+ });
+
+ if (settings.src) {
+ tt.src = settings.src;
+ loadTrack(settings.src, tt);
+ } else {
+ tt.loaded_ = true;
+ }
+
+ return _ret = tt, possibleConstructorReturn(_this, _ret);
+ }
+
+ /**
+ * Add a cue to the internal list of cues.
+ *
+ * @param {TextTrack~Cue} cue
+ * The cue to add to our internal list
+ */
+
+
+ TextTrack.prototype.addCue = function addCue(originalCue) {
+ var cue = originalCue;
+
+ if (window_1.vttjs && !(originalCue instanceof window_1.vttjs.VTTCue)) {
+ cue = new window_1.vttjs.VTTCue(originalCue.startTime, originalCue.endTime, originalCue.text);
+
+ for (var prop in originalCue) {
+ if (!(prop in cue)) {
+ cue[prop] = originalCue[prop];
+ }
+ }
+
+ // make sure that `id` is copied over
+ cue.id = originalCue.id;
+ cue.originalCue_ = originalCue;
+ }
+
+ var tracks = this.tech_.textTracks();
+
+ for (var i = 0; i < tracks.length; i++) {
+ if (tracks[i] !== this) {
+ tracks[i].removeCue(cue);
+ }
+ }
+
+ this.cues_.push(cue);
+ this.cues.setCues_(this.cues_);
+ };
+
+ /**
+ * Remove a cue from our internal list
+ *
+ * @param {TextTrack~Cue} removeCue
+ * The cue to remove from our internal list
+ */
+
+
+ TextTrack.prototype.removeCue = function removeCue(_removeCue) {
+ var i = this.cues_.length;
+
+ while (i--) {
+ var cue = this.cues_[i];
+
+ if (cue === _removeCue || cue.originalCue_ && cue.originalCue_ === _removeCue) {
+ this.cues_.splice(i, 1);
+ this.cues.setCues_(this.cues_);
+ break;
+ }
+ }
+ };
+
+ return TextTrack;
+}(Track);
+
+/**
+ * cuechange - One or more cues in the track have become active or stopped being active.
+ */
+
+
+TextTrack.prototype.allowedEvents_ = {
+ cuechange: 'cuechange'
+};
+
+/**
+ * A representation of a single `AudioTrack`. If it is part of an {@link AudioTrackList}
+ * only one `AudioTrack` in the list will be enabled at a time.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotrack}
+ * @extends Track
+ */
+
+var AudioTrack = function (_Track) {
+ inherits(AudioTrack, _Track);
+
+ /**
+ * Create an instance of this class.
+ *
+ * @param {Object} [options={}]
+ * Object of option names and values
+ *
+ * @param {AudioTrack~Kind} [options.kind='']
+ * A valid audio track kind
+ *
+ * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
+ * A unique id for this AudioTrack.
+ *
+ * @param {string} [options.label='']
+ * The menu label for this track.
+ *
+ * @param {string} [options.language='']
+ * A valid two character language code.
+ *
+ * @param {boolean} [options.enabled]
+ * If this track is the one that is currently playing. If this track is part of
+ * an {@link AudioTrackList}, only one {@link AudioTrack} will be enabled.
+ */
+ function AudioTrack() {
+ var _this, _ret;
+
+ var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+ classCallCheck(this, AudioTrack);
+
+ var settings = mergeOptions(options, {
+ kind: AudioTrackKind[options.kind] || ''
+ });
+ // on IE8 this will be a document element
+ // for every other browser this will be a normal object
+ var track = (_this = possibleConstructorReturn(this, _Track.call(this, settings)), _this);
+ var enabled = false;
+
+ if (IS_IE8) {
+ for (var prop in AudioTrack.prototype) {
+ if (prop !== 'constructor') {
+ track[prop] = AudioTrack.prototype[prop];
+ }
+ }
+ }
+ /**
+ * @memberof AudioTrack
+ * @member {boolean} enabled
+ * If this `AudioTrack` is enabled or not. When setting this will
+ * fire {@link AudioTrack#enabledchange} if the state of enabled is changed.
+ * @instance
+ *
+ * @fires VideoTrack#selectedchange
+ */
+ Object.defineProperty(track, 'enabled', {
+ get: function get$$1() {
+ return enabled;
+ },
+ set: function set$$1(newEnabled) {
+ // an invalid or unchanged value
+ if (typeof newEnabled !== 'boolean' || newEnabled === enabled) {
+ return;
+ }
+ enabled = newEnabled;
+
+ /**
+ * An event that fires when enabled changes on this track. This allows
+ * the AudioTrackList that holds this track to act accordingly.
+ *
+ * > Note: This is not part of the spec! Native tracks will do
+ * this internally without an event.
+ *
+ * @event AudioTrack#enabledchange
+ * @type {EventTarget~Event}
+ */
+ this.trigger('enabledchange');
+ }
+ });
+
+ // if the user sets this track to selected then
+ // set selected to that true value otherwise
+ // we keep it false
+ if (settings.enabled) {
+ track.enabled = settings.enabled;
+ }
+ track.loaded_ = true;
+
+ return _ret = track, possibleConstructorReturn(_this, _ret);
+ }
+
+ return AudioTrack;
+}(Track);
+
+/**
+ * A representation of a single `VideoTrack`.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#videotrack}
+ * @extends Track
+ */
+
+var VideoTrack = function (_Track) {
+ inherits(VideoTrack, _Track);
+
+ /**
+ * Create an instance of this class.
+ *
+ * @param {Object} [options={}]
+ * Object of option names and values
+ *
+ * @param {string} [options.kind='']
+ * A valid {@link VideoTrack~Kind}
+ *
+ * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
+ * A unique id for this AudioTrack.
+ *
+ * @param {string} [options.label='']
+ * The menu label for this track.
+ *
+ * @param {string} [options.language='']
+ * A valid two character language code.
+ *
+ * @param {boolean} [options.selected]
+ * If this track is the one that is currently playing.
+ */
+ function VideoTrack() {
+ var _this, _ret;
+
+ var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+ classCallCheck(this, VideoTrack);
+
+ var settings = mergeOptions(options, {
+ kind: VideoTrackKind[options.kind] || ''
+ });
+
+ // on IE8 this will be a document element
+ // for every other browser this will be a normal object
+ var track = (_this = possibleConstructorReturn(this, _Track.call(this, settings)), _this);
+ var selected = false;
+
+ if (IS_IE8) {
+ for (var prop in VideoTrack.prototype) {
+ if (prop !== 'constructor') {
+ track[prop] = VideoTrack.prototype[prop];
+ }
+ }
+ }
+
+ /**
+ * @memberof VideoTrack
+ * @member {boolean} selected
+ * If this `VideoTrack` is selected or not. When setting this will
+ * fire {@link VideoTrack#selectedchange} if the state of selected changed.
+ * @instance
+ *
+ * @fires VideoTrack#selectedchange
+ */
+ Object.defineProperty(track, 'selected', {
+ get: function get$$1() {
+ return selected;
+ },
+ set: function set$$1(newSelected) {
+ // an invalid or unchanged value
+ if (typeof newSelected !== 'boolean' || newSelected === selected) {
+ return;
+ }
+ selected = newSelected;
+
+ /**
+ * An event that fires when selected changes on this track. This allows
+ * the VideoTrackList that holds this track to act accordingly.
+ *
+ * > Note: This is not part of the spec! Native tracks will do
+ * this internally without an event.
+ *
+ * @event VideoTrack#selectedchange
+ * @type {EventTarget~Event}
+ */
+ this.trigger('selectedchange');
+ }
+ });
+
+ // if the user sets this track to selected then
+ // set selected to that true value otherwise
+ // we keep it false
+ if (settings.selected) {
+ track.selected = settings.selected;
+ }
+
+ return _ret = track, possibleConstructorReturn(_this, _ret);
+ }
+
+ return VideoTrack;
+}(Track);
+
+/**
+ * @file html-track-element.js
+ */
+
+/**
+ * @memberof HTMLTrackElement
+ * @typedef {HTMLTrackElement~ReadyState}
+ * @enum {number}
+ */
+var NONE = 0;
+var LOADING = 1;
+var LOADED = 2;
+var ERROR = 3;
+
+/**
+ * A single track represented in the DOM.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#htmltrackelement}
+ * @extends EventTarget
+ */
+
+var HTMLTrackElement = function (_EventTarget) {
+ inherits(HTMLTrackElement, _EventTarget);
+
+ /**
+ * Create an instance of this class.
+ *
+ * @param {Object} options={}
+ * Object of option names and values
+ *
+ * @param {Tech} options.tech
+ * A reference to the tech that owns this HTMLTrackElement.
+ *
+ * @param {TextTrack~Kind} [options.kind='subtitles']
+ * A valid text track kind.
+ *
+ * @param {TextTrack~Mode} [options.mode='disabled']
+ * A valid text track mode.
+ *
+ * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
+ * A unique id for this TextTrack.
+ *
+ * @param {string} [options.label='']
+ * The menu label for this track.
+ *
+ * @param {string} [options.language='']
+ * A valid two character language code.
+ *
+ * @param {string} [options.srclang='']
+ * A valid two character language code. An alternative, but deprioritized
+ * vesion of `options.language`
+ *
+ * @param {string} [options.src]
+ * A url to TextTrack cues.
+ *
+ * @param {boolean} [options.default]
+ * If this track should default to on or off.
+ */
+ function HTMLTrackElement() {
+ var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+ classCallCheck(this, HTMLTrackElement);
+
+ var _this = possibleConstructorReturn(this, _EventTarget.call(this));
+
+ var readyState = void 0;
+ var trackElement = _this; // eslint-disable-line
+
+ if (IS_IE8) {
+ trackElement = document_1.createElement('custom');
+
+ for (var prop in HTMLTrackElement.prototype) {
+ if (prop !== 'constructor') {
+ trackElement[prop] = HTMLTrackElement.prototype[prop];
+ }
+ }
+ }
+
+ var track = new TextTrack(options);
+
+ trackElement.kind = track.kind;
+ trackElement.src = track.src;
+ trackElement.srclang = track.language;
+ trackElement.label = track.label;
+ trackElement['default'] = track['default'];
+
+ /**
+ * @memberof HTMLTrackElement
+ * @member {HTMLTrackElement~ReadyState} readyState
+ * The current ready state of the track element.
+ * @instance
+ */
+ Object.defineProperty(trackElement, 'readyState', {
+ get: function get$$1() {
+ return readyState;
+ }
+ });
+
+ /**
+ * @memberof HTMLTrackElement
+ * @member {TextTrack} track
+ * The underlying TextTrack object.
+ * @instance
+ *
+ */
+ Object.defineProperty(trackElement, 'track', {
+ get: function get$$1() {
+ return track;
+ }
+ });
+
+ readyState = NONE;
+
+ /**
+ * @listens TextTrack#loadeddata
+ * @fires HTMLTrackElement#load
+ */
+ track.addEventListener('loadeddata', function () {
+ readyState = LOADED;
+
+ trackElement.trigger({
+ type: 'load',
+ target: trackElement
+ });
+ });
+
+ if (IS_IE8) {
+ var _ret;
+
+ return _ret = trackElement, possibleConstructorReturn(_this, _ret);
+ }
+ return _this;
+ }
+
+ return HTMLTrackElement;
+}(EventTarget);
+
+HTMLTrackElement.prototype.allowedEvents_ = {
+ load: 'load'
+};
+
+HTMLTrackElement.NONE = NONE;
+HTMLTrackElement.LOADING = LOADING;
+HTMLTrackElement.LOADED = LOADED;
+HTMLTrackElement.ERROR = ERROR;
+
+/*
+ * This file contains all track properties that are used in
+ * player.js, tech.js, html5.js and possibly other techs in the future.
+ */
+
+var NORMAL = {
+ audio: {
+ ListClass: AudioTrackList,
+ TrackClass: AudioTrack,
+ capitalName: 'Audio'
+ },
+ video: {
+ ListClass: VideoTrackList,
+ TrackClass: VideoTrack,
+ capitalName: 'Video'
+ },
+ text: {
+ ListClass: TextTrackList,
+ TrackClass: TextTrack,
+ capitalName: 'Text'
+ }
+};
+
+Object.keys(NORMAL).forEach(function (type) {
+ NORMAL[type].getterName = type + 'Tracks';
+ NORMAL[type].privateName = type + 'Tracks_';
+});
+
+var REMOTE = {
+ remoteText: {
+ ListClass: TextTrackList,
+ TrackClass: TextTrack,
+ capitalName: 'RemoteText',
+ getterName: 'remoteTextTracks',
+ privateName: 'remoteTextTracks_'
+ },
+ remoteTextEl: {
+ ListClass: HtmlTrackElementList,
+ TrackClass: HTMLTrackElement,
+ capitalName: 'RemoteTextTrackEls',
+ getterName: 'remoteTextTrackEls',
+ privateName: 'remoteTextTrackEls_'
+ }
+};
+
+var ALL = mergeOptions(NORMAL, REMOTE);
+
+REMOTE.names = Object.keys(REMOTE);
+NORMAL.names = Object.keys(NORMAL);
+ALL.names = [].concat(REMOTE.names).concat(NORMAL.names);
+
+/**
+ * Copyright 2013 vtt.js Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
+var _objCreate = Object.create || (function() {
+ function F() {}
+ return function(o) {
+ if (arguments.length !== 1) {
+ throw new Error('Object.create shim only accepts one parameter.');
+ }
+ F.prototype = o;
+ return new F();
+ };
+})();
+
+// Creates a new ParserError object from an errorData object. The errorData
+// object should have default code and message properties. The default message
+// property can be overriden by passing in a message parameter.
+// See ParsingError.Errors below for acceptable errors.
+function ParsingError(errorData, message) {
+ this.name = "ParsingError";
+ this.code = errorData.code;
+ this.message = message || errorData.message;
+}
+ParsingError.prototype = _objCreate(Error.prototype);
+ParsingError.prototype.constructor = ParsingError;
+
+// ParsingError metadata for acceptable ParsingErrors.
+ParsingError.Errors = {
+ BadSignature: {
+ code: 0,
+ message: "Malformed WebVTT signature."
+ },
+ BadTimeStamp: {
+ code: 1,
+ message: "Malformed time stamp."
+ }
+};
+
+// Try to parse input as a time stamp.
+function parseTimeStamp(input) {
+
+ function computeSeconds(h, m, s, f) {
+ return (h | 0) * 3600 + (m | 0) * 60 + (s | 0) + (f | 0) / 1000;
+ }
+
+ var m = input.match(/^(\d+):(\d{2})(:\d{2})?\.(\d{3})/);
+ if (!m) {
+ return null;
+ }
+
+ if (m[3]) {
+ // Timestamp takes the form of [hours]:[minutes]:[seconds].[milliseconds]
+ return computeSeconds(m[1], m[2], m[3].replace(":", ""), m[4]);
+ } else if (m[1] > 59) {
+ // Timestamp takes the form of [hours]:[minutes].[milliseconds]
+ // First position is hours as it's over 59.
+ return computeSeconds(m[1], m[2], 0, m[4]);
+ } else {
+ // Timestamp takes the form of [minutes]:[seconds].[milliseconds]
+ return computeSeconds(0, m[1], m[2], m[4]);
+ }
+}
+
+// A settings object holds key/value pairs and will ignore anything but the first
+// assignment to a specific key.
+function Settings() {
+ this.values = _objCreate(null);
+}
+
+Settings.prototype = {
+ // Only accept the first assignment to any key.
+ set: function(k, v) {
+ if (!this.get(k) && v !== "") {
+ this.values[k] = v;
+ }
+ },
+ // Return the value for a key, or a default value.
+ // If 'defaultKey' is passed then 'dflt' is assumed to be an object with
+ // a number of possible default values as properties where 'defaultKey' is
+ // the key of the property that will be chosen; otherwise it's assumed to be
+ // a single value.
+ get: function(k, dflt, defaultKey) {
+ if (defaultKey) {
+ return this.has(k) ? this.values[k] : dflt[defaultKey];
+ }
+ return this.has(k) ? this.values[k] : dflt;
+ },
+ // Check whether we have a value for a key.
+ has: function(k) {
+ return k in this.values;
+ },
+ // Accept a setting if its one of the given alternatives.
+ alt: function(k, v, a) {
+ for (var n = 0; n < a.length; ++n) {
+ if (v === a[n]) {
+ this.set(k, v);
+ break;
+ }
+ }
+ },
+ // Accept a setting if its a valid (signed) integer.
+ integer: function(k, v) {
+ if (/^-?\d+$/.test(v)) { // integer
+ this.set(k, parseInt(v, 10));
+ }
+ },
+ // Accept a setting if its a valid percentage.
+ percent: function(k, v) {
+ var m;
+ if ((m = v.match(/^([\d]{1,3})(\.[\d]*)?%$/))) {
+ v = parseFloat(v);
+ if (v >= 0 && v <= 100) {
+ this.set(k, v);
+ return true;
+ }
+ }
+ return false;
+ }
+};
+
+// Helper function to parse input into groups separated by 'groupDelim', and
+// interprete each group as a key/value pair separated by 'keyValueDelim'.
+function parseOptions(input, callback, keyValueDelim, groupDelim) {
+ var groups = groupDelim ? input.split(groupDelim) : [input];
+ for (var i in groups) {
+ if (typeof groups[i] !== "string") {
+ continue;
+ }
+ var kv = groups[i].split(keyValueDelim);
+ if (kv.length !== 2) {
+ continue;
+ }
+ var k = kv[0];
+ var v = kv[1];
+ callback(k, v);
+ }
+}
+
+function parseCue(input, cue, regionList) {
+ // Remember the original input if we need to throw an error.
+ var oInput = input;
+ // 4.1 WebVTT timestamp
+ function consumeTimeStamp() {
+ var ts = parseTimeStamp(input);
+ if (ts === null) {
+ throw new ParsingError(ParsingError.Errors.BadTimeStamp,
+ "Malformed timestamp: " + oInput);
+ }
+ // Remove time stamp from input.
+ input = input.replace(/^[^\sa-zA-Z-]+/, "");
+ return ts;
+ }
+
+ // 4.4.2 WebVTT cue settings
+ function consumeCueSettings(input, cue) {
+ var settings = new Settings();
+
+ parseOptions(input, function (k, v) {
+ switch (k) {
+ case "region":
+ // Find the last region we parsed with the same region id.
+ for (var i = regionList.length - 1; i >= 0; i--) {
+ if (regionList[i].id === v) {
+ settings.set(k, regionList[i].region);
+ break;
+ }
+ }
+ break;
+ case "vertical":
+ settings.alt(k, v, ["rl", "lr"]);
+ break;
+ case "line":
+ var vals = v.split(","),
+ vals0 = vals[0];
+ settings.integer(k, vals0);
+ settings.percent(k, vals0) ? settings.set("snapToLines", false) : null;
+ settings.alt(k, vals0, ["auto"]);
+ if (vals.length === 2) {
+ settings.alt("lineAlign", vals[1], ["start", "middle", "end"]);
+ }
+ break;
+ case "position":
+ vals = v.split(",");
+ settings.percent(k, vals[0]);
+ if (vals.length === 2) {
+ settings.alt("positionAlign", vals[1], ["start", "middle", "end"]);
+ }
+ break;
+ case "size":
+ settings.percent(k, v);
+ break;
+ case "align":
+ settings.alt(k, v, ["start", "middle", "end", "left", "right"]);
+ break;
+ }
+ }, /:/, /\s/);
+
+ // Apply default values for any missing fields.
+ cue.region = settings.get("region", null);
+ cue.vertical = settings.get("vertical", "");
+ cue.line = settings.get("line", "auto");
+ cue.lineAlign = settings.get("lineAlign", "start");
+ cue.snapToLines = settings.get("snapToLines", true);
+ cue.size = settings.get("size", 100);
+ cue.align = settings.get("align", "middle");
+ cue.position = settings.get("position", {
+ start: 0,
+ left: 0,
+ middle: 50,
+ end: 100,
+ right: 100
+ }, cue.align);
+ cue.positionAlign = settings.get("positionAlign", {
+ start: "start",
+ left: "start",
+ middle: "middle",
+ end: "end",
+ right: "end"
+ }, cue.align);
+ }
+
+ function skipWhitespace() {
+ input = input.replace(/^\s+/, "");
+ }
+
+ // 4.1 WebVTT cue timings.
+ skipWhitespace();
+ cue.startTime = consumeTimeStamp(); // (1) collect cue start time
+ skipWhitespace();
+ if (input.substr(0, 3) !== "-->") { // (3) next characters must match "-->"
+ throw new ParsingError(ParsingError.Errors.BadTimeStamp,
+ "Malformed time stamp (time stamps must be separated by '-->'): " +
+ oInput);
+ }
+ input = input.substr(3);
+ skipWhitespace();
+ cue.endTime = consumeTimeStamp(); // (5) collect cue end time
+
+ // 4.1 WebVTT cue settings list.
+ skipWhitespace();
+ consumeCueSettings(input, cue);
+}
+
+var ESCAPE = {
+ "&": "&",
+ "<": "<",
+ ">": ">",
+ "‎": "\u200e",
+ "‏": "\u200f",
+ " ": "\u00a0"
+};
+
+var TAG_NAME = {
+ c: "span",
+ i: "i",
+ b: "b",
+ u: "u",
+ ruby: "ruby",
+ rt: "rt",
+ v: "span",
+ lang: "span"
+};
+
+var TAG_ANNOTATION = {
+ v: "title",
+ lang: "lang"
+};
+
+var NEEDS_PARENT = {
+ rt: "ruby"
+};
+
+// Parse content into a document fragment.
+function parseContent(window, input) {
+ function nextToken() {
+ // Check for end-of-string.
+ if (!input) {
+ return null;
+ }
+
+ // Consume 'n' characters from the input.
+ function consume(result) {
+ input = input.substr(result.length);
+ return result;
+ }
+
+ var m = input.match(/^([^<]*)(<[^>]+>?)?/);
+ // If there is some text before the next tag, return it, otherwise return
+ // the tag.
+ return consume(m[1] ? m[1] : m[2]);
+ }
+
+ // Unescape a string 's'.
+ function unescape1(e) {
+ return ESCAPE[e];
+ }
+ function unescape(s) {
+ while ((m = s.match(/&(amp|lt|gt|lrm|rlm|nbsp);/))) {
+ s = s.replace(m[0], unescape1);
+ }
+ return s;
+ }
+
+ function shouldAdd(current, element) {
+ return !NEEDS_PARENT[element.localName] ||
+ NEEDS_PARENT[element.localName] === current.localName;
+ }
+
+ // Create an element for this tag.
+ function createElement(type, annotation) {
+ var tagName = TAG_NAME[type];
+ if (!tagName) {
+ return null;
+ }
+ var element = window.document.createElement(tagName);
+ element.localName = tagName;
+ var name = TAG_ANNOTATION[type];
+ if (name && annotation) {
+ element[name] = annotation.trim();
+ }
+ return element;
+ }
+
+ var rootDiv = window.document.createElement("div"),
+ current = rootDiv,
+ t,
+ tagStack = [];
+
+ while ((t = nextToken()) !== null) {
+ if (t[0] === '<') {
+ if (t[1] === "/") {
+ // If the closing tag matches, move back up to the parent node.
+ if (tagStack.length &&
+ tagStack[tagStack.length - 1] === t.substr(2).replace(">", "")) {
+ tagStack.pop();
+ current = current.parentNode;
+ }
+ // Otherwise just ignore the end tag.
+ continue;
+ }
+ var ts = parseTimeStamp(t.substr(1, t.length - 2));
+ var node;
+ if (ts) {
+ // Timestamps are lead nodes as well.
+ node = window.document.createProcessingInstruction("timestamp", ts);
+ current.appendChild(node);
+ continue;
+ }
+ var m = t.match(/^<([^.\s/0-9>]+)(\.[^\s\\>]+)?([^>\\]+)?(\\?)>?$/);
+ // If we can't parse the tag, skip to the next tag.
+ if (!m) {
+ continue;
+ }
+ // Try to construct an element, and ignore the tag if we couldn't.
+ node = createElement(m[1], m[3]);
+ if (!node) {
+ continue;
+ }
+ // Determine if the tag should be added based on the context of where it
+ // is placed in the cuetext.
+ if (!shouldAdd(current, node)) {
+ continue;
+ }
+ // Set the class list (as a list of classes, separated by space).
+ if (m[2]) {
+ node.className = m[2].substr(1).replace('.', ' ');
+ }
+ // Append the node to the current node, and enter the scope of the new
+ // node.
+ tagStack.push(m[1]);
+ current.appendChild(node);
+ current = node;
+ continue;
+ }
+
+ // Text nodes are leaf nodes.
+ current.appendChild(window.document.createTextNode(unescape(t)));
+ }
+
+ return rootDiv;
+}
+
+// This is a list of all the Unicode characters that have a strong
+// right-to-left category. What this means is that these characters are
+// written right-to-left for sure. It was generated by pulling all the strong
+// right-to-left characters out of the Unicode data table. That table can
+// found at: http://www.unicode.org/Public/UNIDATA/UnicodeData.txt
+var strongRTLRanges = [[0x5be, 0x5be], [0x5c0, 0x5c0], [0x5c3, 0x5c3], [0x5c6, 0x5c6],
+ [0x5d0, 0x5ea], [0x5f0, 0x5f4], [0x608, 0x608], [0x60b, 0x60b], [0x60d, 0x60d],
+ [0x61b, 0x61b], [0x61e, 0x64a], [0x66d, 0x66f], [0x671, 0x6d5], [0x6e5, 0x6e6],
+ [0x6ee, 0x6ef], [0x6fa, 0x70d], [0x70f, 0x710], [0x712, 0x72f], [0x74d, 0x7a5],
+ [0x7b1, 0x7b1], [0x7c0, 0x7ea], [0x7f4, 0x7f5], [0x7fa, 0x7fa], [0x800, 0x815],
+ [0x81a, 0x81a], [0x824, 0x824], [0x828, 0x828], [0x830, 0x83e], [0x840, 0x858],
+ [0x85e, 0x85e], [0x8a0, 0x8a0], [0x8a2, 0x8ac], [0x200f, 0x200f],
+ [0xfb1d, 0xfb1d], [0xfb1f, 0xfb28], [0xfb2a, 0xfb36], [0xfb38, 0xfb3c],
+ [0xfb3e, 0xfb3e], [0xfb40, 0xfb41], [0xfb43, 0xfb44], [0xfb46, 0xfbc1],
+ [0xfbd3, 0xfd3d], [0xfd50, 0xfd8f], [0xfd92, 0xfdc7], [0xfdf0, 0xfdfc],
+ [0xfe70, 0xfe74], [0xfe76, 0xfefc], [0x10800, 0x10805], [0x10808, 0x10808],
+ [0x1080a, 0x10835], [0x10837, 0x10838], [0x1083c, 0x1083c], [0x1083f, 0x10855],
+ [0x10857, 0x1085f], [0x10900, 0x1091b], [0x10920, 0x10939], [0x1093f, 0x1093f],
+ [0x10980, 0x109b7], [0x109be, 0x109bf], [0x10a00, 0x10a00], [0x10a10, 0x10a13],
+ [0x10a15, 0x10a17], [0x10a19, 0x10a33], [0x10a40, 0x10a47], [0x10a50, 0x10a58],
+ [0x10a60, 0x10a7f], [0x10b00, 0x10b35], [0x10b40, 0x10b55], [0x10b58, 0x10b72],
+ [0x10b78, 0x10b7f], [0x10c00, 0x10c48], [0x1ee00, 0x1ee03], [0x1ee05, 0x1ee1f],
+ [0x1ee21, 0x1ee22], [0x1ee24, 0x1ee24], [0x1ee27, 0x1ee27], [0x1ee29, 0x1ee32],
+ [0x1ee34, 0x1ee37], [0x1ee39, 0x1ee39], [0x1ee3b, 0x1ee3b], [0x1ee42, 0x1ee42],
+ [0x1ee47, 0x1ee47], [0x1ee49, 0x1ee49], [0x1ee4b, 0x1ee4b], [0x1ee4d, 0x1ee4f],
+ [0x1ee51, 0x1ee52], [0x1ee54, 0x1ee54], [0x1ee57, 0x1ee57], [0x1ee59, 0x1ee59],
+ [0x1ee5b, 0x1ee5b], [0x1ee5d, 0x1ee5d], [0x1ee5f, 0x1ee5f], [0x1ee61, 0x1ee62],
+ [0x1ee64, 0x1ee64], [0x1ee67, 0x1ee6a], [0x1ee6c, 0x1ee72], [0x1ee74, 0x1ee77],
+ [0x1ee79, 0x1ee7c], [0x1ee7e, 0x1ee7e], [0x1ee80, 0x1ee89], [0x1ee8b, 0x1ee9b],
+ [0x1eea1, 0x1eea3], [0x1eea5, 0x1eea9], [0x1eeab, 0x1eebb], [0x10fffd, 0x10fffd]];
+
+function isStrongRTLChar(charCode) {
+ for (var i = 0; i < strongRTLRanges.length; i++) {
+ var currentRange = strongRTLRanges[i];
+ if (charCode >= currentRange[0] && charCode <= currentRange[1]) {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+function determineBidi(cueDiv) {
+ var nodeStack = [],
+ text = "",
+ charCode;
+
+ if (!cueDiv || !cueDiv.childNodes) {
+ return "ltr";
+ }
+
+ function pushNodes(nodeStack, node) {
+ for (var i = node.childNodes.length - 1; i >= 0; i--) {
+ nodeStack.push(node.childNodes[i]);
+ }
+ }
+
+ function nextTextNode(nodeStack) {
+ if (!nodeStack || !nodeStack.length) {
+ return null;
+ }
+
+ var node = nodeStack.pop(),
+ text = node.textContent || node.innerText;
+ if (text) {
+ // TODO: This should match all unicode type B characters (paragraph
+ // separator characters). See issue #115.
+ var m = text.match(/^.*(\n|\r)/);
+ if (m) {
+ nodeStack.length = 0;
+ return m[0];
+ }
+ return text;
+ }
+ if (node.tagName === "ruby") {
+ return nextTextNode(nodeStack);
+ }
+ if (node.childNodes) {
+ pushNodes(nodeStack, node);
+ return nextTextNode(nodeStack);
+ }
+ }
+
+ pushNodes(nodeStack, cueDiv);
+ while ((text = nextTextNode(nodeStack))) {
+ for (var i = 0; i < text.length; i++) {
+ charCode = text.charCodeAt(i);
+ if (isStrongRTLChar(charCode)) {
+ return "rtl";
+ }
+ }
+ }
+ return "ltr";
+}
+
+function computeLinePos(cue) {
+ if (typeof cue.line === "number" &&
+ (cue.snapToLines || (cue.line >= 0 && cue.line <= 100))) {
+ return cue.line;
+ }
+ if (!cue.track || !cue.track.textTrackList ||
+ !cue.track.textTrackList.mediaElement) {
+ return -1;
+ }
+ var track = cue.track,
+ trackList = track.textTrackList,
+ count = 0;
+ for (var i = 0; i < trackList.length && trackList[i] !== track; i++) {
+ if (trackList[i].mode === "showing") {
+ count++;
+ }
+ }
+ return ++count * -1;
+}
+
+function StyleBox() {
+}
+
+// Apply styles to a div. If there is no div passed then it defaults to the
+// div on 'this'.
+StyleBox.prototype.applyStyles = function(styles, div) {
+ div = div || this.div;
+ for (var prop in styles) {
+ if (styles.hasOwnProperty(prop)) {
+ div.style[prop] = styles[prop];
+ }
+ }
+};
+
+StyleBox.prototype.formatStyle = function(val, unit) {
+ return val === 0 ? 0 : val + unit;
+};
+
+// Constructs the computed display state of the cue (a div). Places the div
+// into the overlay which should be a block level element (usually a div).
+function CueStyleBox(window, cue, styleOptions) {
+ var isIE8 = (/MSIE\s8\.0/).test(navigator.userAgent);
+ var color = "rgba(255, 255, 255, 1)";
+ var backgroundColor = "rgba(0, 0, 0, 0.8)";
+
+ if (isIE8) {
+ color = "rgb(255, 255, 255)";
+ backgroundColor = "rgb(0, 0, 0)";
+ }
+
+ StyleBox.call(this);
+ this.cue = cue;
+
+ // Parse our cue's text into a DOM tree rooted at 'cueDiv'. This div will
+ // have inline positioning and will function as the cue background box.
+ this.cueDiv = parseContent(window, cue.text);
+ var styles = {
+ color: color,
+ backgroundColor: backgroundColor,
+ position: "relative",
+ left: 0,
+ right: 0,
+ top: 0,
+ bottom: 0,
+ display: "inline"
+ };
+
+ if (!isIE8) {
+ styles.writingMode = cue.vertical === "" ? "horizontal-tb"
+ : cue.vertical === "lr" ? "vertical-lr"
+ : "vertical-rl";
+ styles.unicodeBidi = "plaintext";
+ }
+ this.applyStyles(styles, this.cueDiv);
+
+ // Create an absolutely positioned div that will be used to position the cue
+ // div. Note, all WebVTT cue-setting alignments are equivalent to the CSS
+ // mirrors of them except "middle" which is "center" in CSS.
+ this.div = window.document.createElement("div");
+ styles = {
+ textAlign: cue.align === "middle" ? "center" : cue.align,
+ font: styleOptions.font,
+ whiteSpace: "pre-line",
+ position: "absolute"
+ };
+
+ if (!isIE8) {
+ styles.direction = determineBidi(this.cueDiv);
+ styles.writingMode = cue.vertical === "" ? "horizontal-tb"
+ : cue.vertical === "lr" ? "vertical-lr"
+ : "vertical-rl".
+ stylesunicodeBidi = "plaintext";
+ }
+
+ this.applyStyles(styles);
+
+ this.div.appendChild(this.cueDiv);
+
+ // Calculate the distance from the reference edge of the viewport to the text
+ // position of the cue box. The reference edge will be resolved later when
+ // the box orientation styles are applied.
+ var textPos = 0;
+ switch (cue.positionAlign) {
+ case "start":
+ textPos = cue.position;
+ break;
+ case "middle":
+ textPos = cue.position - (cue.size / 2);
+ break;
+ case "end":
+ textPos = cue.position - cue.size;
+ break;
+ }
+
+ // Horizontal box orientation; textPos is the distance from the left edge of the
+ // area to the left edge of the box and cue.size is the distance extending to
+ // the right from there.
+ if (cue.vertical === "") {
+ this.applyStyles({
+ left: this.formatStyle(textPos, "%"),
+ width: this.formatStyle(cue.size, "%")
+ });
+ // Vertical box orientation; textPos is the distance from the top edge of the
+ // area to the top edge of the box and cue.size is the height extending
+ // downwards from there.
+ } else {
+ this.applyStyles({
+ top: this.formatStyle(textPos, "%"),
+ height: this.formatStyle(cue.size, "%")
+ });
+ }
+
+ this.move = function(box) {
+ this.applyStyles({
+ top: this.formatStyle(box.top, "px"),
+ bottom: this.formatStyle(box.bottom, "px"),
+ left: this.formatStyle(box.left, "px"),
+ right: this.formatStyle(box.right, "px"),
+ height: this.formatStyle(box.height, "px"),
+ width: this.formatStyle(box.width, "px")
+ });
+ };
+}
+CueStyleBox.prototype = _objCreate(StyleBox.prototype);
+CueStyleBox.prototype.constructor = CueStyleBox;
+
+// Represents the co-ordinates of an Element in a way that we can easily
+// compute things with such as if it overlaps or intersects with another Element.
+// Can initialize it with either a StyleBox or another BoxPosition.
+function BoxPosition(obj) {
+ var isIE8 = (/MSIE\s8\.0/).test(navigator.userAgent);
+
+ // Either a BoxPosition was passed in and we need to copy it, or a StyleBox
+ // was passed in and we need to copy the results of 'getBoundingClientRect'
+ // as the object returned is readonly. All co-ordinate values are in reference
+ // to the viewport origin (top left).
+ var lh, height, width, top;
+ if (obj.div) {
+ height = obj.div.offsetHeight;
+ width = obj.div.offsetWidth;
+ top = obj.div.offsetTop;
+
+ var rects = (rects = obj.div.childNodes) && (rects = rects[0]) &&
+ rects.getClientRects && rects.getClientRects();
+ obj = obj.div.getBoundingClientRect();
+ // In certain cases the outter div will be slightly larger then the sum of
+ // the inner div's lines. This could be due to bold text, etc, on some platforms.
+ // In this case we should get the average line height and use that. This will
+ // result in the desired behaviour.
+ lh = rects ? Math.max((rects[0] && rects[0].height) || 0, obj.height / rects.length)
+ : 0;
+
+ }
+ this.left = obj.left;
+ this.right = obj.right;
+ this.top = obj.top || top;
+ this.height = obj.height || height;
+ this.bottom = obj.bottom || (top + (obj.height || height));
+ this.width = obj.width || width;
+ this.lineHeight = lh !== undefined ? lh : obj.lineHeight;
+
+ if (isIE8 && !this.lineHeight) {
+ this.lineHeight = 13;
+ }
+}
+
+// Move the box along a particular axis. Optionally pass in an amount to move
+// the box. If no amount is passed then the default is the line height of the
+// box.
+BoxPosition.prototype.move = function(axis, toMove) {
+ toMove = toMove !== undefined ? toMove : this.lineHeight;
+ switch (axis) {
+ case "+x":
+ this.left += toMove;
+ this.right += toMove;
+ break;
+ case "-x":
+ this.left -= toMove;
+ this.right -= toMove;
+ break;
+ case "+y":
+ this.top += toMove;
+ this.bottom += toMove;
+ break;
+ case "-y":
+ this.top -= toMove;
+ this.bottom -= toMove;
+ break;
+ }
+};
+
+// Check if this box overlaps another box, b2.
+BoxPosition.prototype.overlaps = function(b2) {
+ return this.left < b2.right &&
+ this.right > b2.left &&
+ this.top < b2.bottom &&
+ this.bottom > b2.top;
+};
+
+// Check if this box overlaps any other boxes in boxes.
+BoxPosition.prototype.overlapsAny = function(boxes) {
+ for (var i = 0; i < boxes.length; i++) {
+ if (this.overlaps(boxes[i])) {
+ return true;
+ }
+ }
+ return false;
+};
+
+// Check if this box is within another box.
+BoxPosition.prototype.within = function(container) {
+ return this.top >= container.top &&
+ this.bottom <= container.bottom &&
+ this.left >= container.left &&
+ this.right <= container.right;
+};
+
+// Check if this box is entirely within the container or it is overlapping
+// on the edge opposite of the axis direction passed. For example, if "+x" is
+// passed and the box is overlapping on the left edge of the container, then
+// return true.
+BoxPosition.prototype.overlapsOppositeAxis = function(container, axis) {
+ switch (axis) {
+ case "+x":
+ return this.left < container.left;
+ case "-x":
+ return this.right > container.right;
+ case "+y":
+ return this.top < container.top;
+ case "-y":
+ return this.bottom > container.bottom;
+ }
+};
+
+// Find the percentage of the area that this box is overlapping with another
+// box.
+BoxPosition.prototype.intersectPercentage = function(b2) {
+ var x = Math.max(0, Math.min(this.right, b2.right) - Math.max(this.left, b2.left)),
+ y = Math.max(0, Math.min(this.bottom, b2.bottom) - Math.max(this.top, b2.top)),
+ intersectArea = x * y;
+ return intersectArea / (this.height * this.width);
+};
+
+// Convert the positions from this box to CSS compatible positions using
+// the reference container's positions. This has to be done because this
+// box's positions are in reference to the viewport origin, whereas, CSS
+// values are in referecne to their respective edges.
+BoxPosition.prototype.toCSSCompatValues = function(reference) {
+ return {
+ top: this.top - reference.top,
+ bottom: reference.bottom - this.bottom,
+ left: this.left - reference.left,
+ right: reference.right - this.right,
+ height: this.height,
+ width: this.width
+ };
+};
+
+// Get an object that represents the box's position without anything extra.
+// Can pass a StyleBox, HTMLElement, or another BoxPositon.
+BoxPosition.getSimpleBoxPosition = function(obj) {
+ var height = obj.div ? obj.div.offsetHeight : obj.tagName ? obj.offsetHeight : 0;
+ var width = obj.div ? obj.div.offsetWidth : obj.tagName ? obj.offsetWidth : 0;
+ var top = obj.div ? obj.div.offsetTop : obj.tagName ? obj.offsetTop : 0;
+
+ obj = obj.div ? obj.div.getBoundingClientRect() :
+ obj.tagName ? obj.getBoundingClientRect() : obj;
+ var ret = {
+ left: obj.left,
+ right: obj.right,
+ top: obj.top || top,
+ height: obj.height || height,
+ bottom: obj.bottom || (top + (obj.height || height)),
+ width: obj.width || width
+ };
+ return ret;
+};
+
+// Move a StyleBox to its specified, or next best, position. The containerBox
+// is the box that contains the StyleBox, such as a div. boxPositions are
+// a list of other boxes that the styleBox can't overlap with.
+function moveBoxToLinePosition(window, styleBox, containerBox, boxPositions) {
+
+ // Find the best position for a cue box, b, on the video. The axis parameter
+ // is a list of axis, the order of which, it will move the box along. For example:
+ // Passing ["+x", "-x"] will move the box first along the x axis in the positive
+ // direction. If it doesn't find a good position for it there it will then move
+ // it along the x axis in the negative direction.
+ function findBestPosition(b, axis) {
+ var bestPosition,
+ specifiedPosition = new BoxPosition(b),
+ percentage = 1; // Highest possible so the first thing we get is better.
+
+ for (var i = 0; i < axis.length; i++) {
+ while (b.overlapsOppositeAxis(containerBox, axis[i]) ||
+ (b.within(containerBox) && b.overlapsAny(boxPositions))) {
+ b.move(axis[i]);
+ }
+ // We found a spot where we aren't overlapping anything. This is our
+ // best position.
+ if (b.within(containerBox)) {
+ return b;
+ }
+ var p = b.intersectPercentage(containerBox);
+ // If we're outside the container box less then we were on our last try
+ // then remember this position as the best position.
+ if (percentage > p) {
+ bestPosition = new BoxPosition(b);
+ percentage = p;
+ }
+ // Reset the box position to the specified position.
+ b = new BoxPosition(specifiedPosition);
+ }
+ return bestPosition || specifiedPosition;
+ }
+
+ var boxPosition = new BoxPosition(styleBox),
+ cue = styleBox.cue,
+ linePos = computeLinePos(cue),
+ axis = [];
+
+ // If we have a line number to align the cue to.
+ if (cue.snapToLines) {
+ var size;
+ switch (cue.vertical) {
+ case "":
+ axis = [ "+y", "-y" ];
+ size = "height";
+ break;
+ case "rl":
+ axis = [ "+x", "-x" ];
+ size = "width";
+ break;
+ case "lr":
+ axis = [ "-x", "+x" ];
+ size = "width";
+ break;
+ }
+
+ var step = boxPosition.lineHeight,
+ position = step * Math.round(linePos),
+ maxPosition = containerBox[size] + step,
+ initialAxis = axis[0];
+
+ // If the specified intial position is greater then the max position then
+ // clamp the box to the amount of steps it would take for the box to
+ // reach the max position.
+ if (Math.abs(position) > maxPosition) {
+ position = position < 0 ? -1 : 1;
+ position *= Math.ceil(maxPosition / step) * step;
+ }
+
+ // If computed line position returns negative then line numbers are
+ // relative to the bottom of the video instead of the top. Therefore, we
+ // need to increase our initial position by the length or width of the
+ // video, depending on the writing direction, and reverse our axis directions.
+ if (linePos < 0) {
+ position += cue.vertical === "" ? containerBox.height : containerBox.width;
+ axis = axis.reverse();
+ }
+
+ // Move the box to the specified position. This may not be its best
+ // position.
+ boxPosition.move(initialAxis, position);
+
+ } else {
+ // If we have a percentage line value for the cue.
+ var calculatedPercentage = (boxPosition.lineHeight / containerBox.height) * 100;
+
+ switch (cue.lineAlign) {
+ case "middle":
+ linePos -= (calculatedPercentage / 2);
+ break;
+ case "end":
+ linePos -= calculatedPercentage;
+ break;
+ }
+
+ // Apply initial line position to the cue box.
+ switch (cue.vertical) {
+ case "":
+ styleBox.applyStyles({
+ top: styleBox.formatStyle(linePos, "%")
+ });
+ break;
+ case "rl":
+ styleBox.applyStyles({
+ left: styleBox.formatStyle(linePos, "%")
+ });
+ break;
+ case "lr":
+ styleBox.applyStyles({
+ right: styleBox.formatStyle(linePos, "%")
+ });
+ break;
+ }
+
+ axis = [ "+y", "-x", "+x", "-y" ];
+
+ // Get the box position again after we've applied the specified positioning
+ // to it.
+ boxPosition = new BoxPosition(styleBox);
+ }
+
+ var bestPosition = findBestPosition(boxPosition, axis);
+ styleBox.move(bestPosition.toCSSCompatValues(containerBox));
+}
+
+function WebVTT$1() {
+ // Nothing
+}
+
+// Helper to allow strings to be decoded instead of the default binary utf8 data.
+WebVTT$1.StringDecoder = function() {
+ return {
+ decode: function(data) {
+ if (!data) {
+ return "";
+ }
+ if (typeof data !== "string") {
+ throw new Error("Error - expected string data.");
+ }
+ return decodeURIComponent(encodeURIComponent(data));
+ }
+ };
+};
+
+WebVTT$1.convertCueToDOMTree = function(window, cuetext) {
+ if (!window || !cuetext) {
+ return null;
+ }
+ return parseContent(window, cuetext);
+};
+
+var FONT_SIZE_PERCENT = 0.05;
+var FONT_STYLE = "sans-serif";
+var CUE_BACKGROUND_PADDING = "1.5%";
+
+// Runs the processing model over the cues and regions passed to it.
+// @param overlay A block level element (usually a div) that the computed cues
+// and regions will be placed into.
+WebVTT$1.processCues = function(window, cues, overlay) {
+ if (!window || !cues || !overlay) {
+ return null;
+ }
+
+ // Remove all previous children.
+ while (overlay.firstChild) {
+ overlay.removeChild(overlay.firstChild);
+ }
+
+ var paddedOverlay = window.document.createElement("div");
+ paddedOverlay.style.position = "absolute";
+ paddedOverlay.style.left = "0";
+ paddedOverlay.style.right = "0";
+ paddedOverlay.style.top = "0";
+ paddedOverlay.style.bottom = "0";
+ paddedOverlay.style.margin = CUE_BACKGROUND_PADDING;
+ overlay.appendChild(paddedOverlay);
+
+ // Determine if we need to compute the display states of the cues. This could
+ // be the case if a cue's state has been changed since the last computation or
+ // if it has not been computed yet.
+ function shouldCompute(cues) {
+ for (var i = 0; i < cues.length; i++) {
+ if (cues[i].hasBeenReset || !cues[i].displayState) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ // We don't need to recompute the cues' display states. Just reuse them.
+ if (!shouldCompute(cues)) {
+ for (var i = 0; i < cues.length; i++) {
+ paddedOverlay.appendChild(cues[i].displayState);
+ }
+ return;
+ }
+
+ var boxPositions = [],
+ containerBox = BoxPosition.getSimpleBoxPosition(paddedOverlay),
+ fontSize = Math.round(containerBox.height * FONT_SIZE_PERCENT * 100) / 100;
+ var styleOptions = {
+ font: fontSize + "px " + FONT_STYLE
+ };
+
+ (function() {
+ var styleBox, cue;
+
+ for (var i = 0; i < cues.length; i++) {
+ cue = cues[i];
+
+ // Compute the intial position and styles of the cue div.
+ styleBox = new CueStyleBox(window, cue, styleOptions);
+ paddedOverlay.appendChild(styleBox.div);
+
+ // Move the cue div to it's correct line position.
+ moveBoxToLinePosition(window, styleBox, containerBox, boxPositions);
+
+ // Remember the computed div so that we don't have to recompute it later
+ // if we don't have too.
+ cue.displayState = styleBox.div;
+
+ boxPositions.push(BoxPosition.getSimpleBoxPosition(styleBox));
+ }
+ })();
+};
+
+WebVTT$1.Parser = function(window, vttjs, decoder) {
+ if (!decoder) {
+ decoder = vttjs;
+ vttjs = {};
+ }
+ if (!vttjs) {
+ vttjs = {};
+ }
+
+ this.window = window;
+ this.vttjs = vttjs;
+ this.state = "INITIAL";
+ this.buffer = "";
+ this.decoder = decoder || new TextDecoder("utf8");
+ this.regionList = [];
+};
+
+WebVTT$1.Parser.prototype = {
+ // If the error is a ParsingError then report it to the consumer if
+ // possible. If it's not a ParsingError then throw it like normal.
+ reportOrThrowError: function(e) {
+ if (e instanceof ParsingError) {
+ this.onparsingerror && this.onparsingerror(e);
+ } else {
+ throw e;
+ }
+ },
+ parse: function (data) {
+ var self = this;
+
+ // If there is no data then we won't decode it, but will just try to parse
+ // whatever is in buffer already. This may occur in circumstances, for
+ // example when flush() is called.
+ if (data) {
+ // Try to decode the data that we received.
+ self.buffer += self.decoder.decode(data, {stream: true});
+ }
+
+ function collectNextLine() {
+ var buffer = self.buffer;
+ var pos = 0;
+ while (pos < buffer.length && buffer[pos] !== '\r' && buffer[pos] !== '\n') {
+ ++pos;
+ }
+ var line = buffer.substr(0, pos);
+ // Advance the buffer early in case we fail below.
+ if (buffer[pos] === '\r') {
+ ++pos;
+ }
+ if (buffer[pos] === '\n') {
+ ++pos;
+ }
+ self.buffer = buffer.substr(pos);
+ return line;
+ }
+
+ // 3.4 WebVTT region and WebVTT region settings syntax
+ function parseRegion(input) {
+ var settings = new Settings();
+
+ parseOptions(input, function (k, v) {
+ switch (k) {
+ case "id":
+ settings.set(k, v);
+ break;
+ case "width":
+ settings.percent(k, v);
+ break;
+ case "lines":
+ settings.integer(k, v);
+ break;
+ case "regionanchor":
+ case "viewportanchor":
+ var xy = v.split(',');
+ if (xy.length !== 2) {
+ break;
+ }
+ // We have to make sure both x and y parse, so use a temporary
+ // settings object here.
+ var anchor = new Settings();
+ anchor.percent("x", xy[0]);
+ anchor.percent("y", xy[1]);
+ if (!anchor.has("x") || !anchor.has("y")) {
+ break;
+ }
+ settings.set(k + "X", anchor.get("x"));
+ settings.set(k + "Y", anchor.get("y"));
+ break;
+ case "scroll":
+ settings.alt(k, v, ["up"]);
+ break;
+ }
+ }, /=/, /\s/);
+
+ // Create the region, using default values for any values that were not
+ // specified.
+ if (settings.has("id")) {
+ var region = new (self.vttjs.VTTRegion || self.window.VTTRegion)();
+ region.width = settings.get("width", 100);
+ region.lines = settings.get("lines", 3);
+ region.regionAnchorX = settings.get("regionanchorX", 0);
+ region.regionAnchorY = settings.get("regionanchorY", 100);
+ region.viewportAnchorX = settings.get("viewportanchorX", 0);
+ region.viewportAnchorY = settings.get("viewportanchorY", 100);
+ region.scroll = settings.get("scroll", "");
+ // Register the region.
+ self.onregion && self.onregion(region);
+ // Remember the VTTRegion for later in case we parse any VTTCues that
+ // reference it.
+ self.regionList.push({
+ id: settings.get("id"),
+ region: region
+ });
+ }
+ }
+
+ // draft-pantos-http-live-streaming-20
+ // https://tools.ietf.org/html/draft-pantos-http-live-streaming-20#section-3.5
+ // 3.5 WebVTT
+ function parseTimestampMap(input) {
+ var settings = new Settings();
+
+ parseOptions(input, function(k, v) {
+ switch(k) {
+ case "MPEGT":
+ settings.integer(k + 'S', v);
+ break;
+ case "LOCA":
+ settings.set(k + 'L', parseTimeStamp(v));
+ break;
+ }
+ }, /[^\d]:/, /,/);
+
+ self.ontimestampmap && self.ontimestampmap({
+ "MPEGTS": settings.get("MPEGTS"),
+ "LOCAL": settings.get("LOCAL")
+ });
+ }
+
+ // 3.2 WebVTT metadata header syntax
+ function parseHeader(input) {
+ if (input.match(/X-TIMESTAMP-MAP/)) {
+ // This line contains HLS X-TIMESTAMP-MAP metadata
+ parseOptions(input, function(k, v) {
+ switch(k) {
+ case "X-TIMESTAMP-MAP":
+ parseTimestampMap(v);
+ break;
+ }
+ }, /=/);
+ } else {
+ parseOptions(input, function (k, v) {
+ switch (k) {
+ case "Region":
+ // 3.3 WebVTT region metadata header syntax
+ parseRegion(v);
+ break;
+ }
+ }, /:/);
+ }
+
+ }
+
+ // 5.1 WebVTT file parsing.
+ try {
+ var line;
+ if (self.state === "INITIAL") {
+ // We can't start parsing until we have the first line.
+ if (!/\r\n|\n/.test(self.buffer)) {
+ return this;
+ }
+
+ line = collectNextLine();
+
+ var m = line.match(/^WEBVTT([ \t].*)?$/);
+ if (!m || !m[0]) {
+ throw new ParsingError(ParsingError.Errors.BadSignature);
+ }
+
+ self.state = "HEADER";
+ }
+
+ var alreadyCollectedLine = false;
+ while (self.buffer) {
+ // We can't parse a line until we have the full line.
+ if (!/\r\n|\n/.test(self.buffer)) {
+ return this;
+ }
+
+ if (!alreadyCollectedLine) {
+ line = collectNextLine();
+ } else {
+ alreadyCollectedLine = false;
+ }
+
+ switch (self.state) {
+ case "HEADER":
+ // 13-18 - Allow a header (metadata) under the WEBVTT line.
+ if (/:/.test(line)) {
+ parseHeader(line);
+ } else if (!line) {
+ // An empty line terminates the header and starts the body (cues).
+ self.state = "ID";
+ }
+ continue;
+ case "NOTE":
+ // Ignore NOTE blocks.
+ if (!line) {
+ self.state = "ID";
+ }
+ continue;
+ case "ID":
+ // Check for the start of NOTE blocks.
+ if (/^NOTE($|[ \t])/.test(line)) {
+ self.state = "NOTE";
+ break;
+ }
+ // 19-29 - Allow any number of line terminators, then initialize new cue values.
+ if (!line) {
+ continue;
+ }
+ self.cue = new (self.vttjs.VTTCue || self.window.VTTCue)(0, 0, "");
+ self.state = "CUE";
+ // 30-39 - Check if self line contains an optional identifier or timing data.
+ if (line.indexOf("-->") === -1) {
+ self.cue.id = line;
+ continue;
+ }
+ // Process line as start of a cue.
+ /*falls through*/
+ case "CUE":
+ // 40 - Collect cue timings and settings.
+ try {
+ parseCue(line, self.cue, self.regionList);
+ } catch (e) {
+ self.reportOrThrowError(e);
+ // In case of an error ignore rest of the cue.
+ self.cue = null;
+ self.state = "BADCUE";
+ continue;
+ }
+ self.state = "CUETEXT";
+ continue;
+ case "CUETEXT":
+ var hasSubstring = line.indexOf("-->") !== -1;
+ // 34 - If we have an empty line then report the cue.
+ // 35 - If we have the special substring '-->' then report the cue,
+ // but do not collect the line as we need to process the current
+ // one as a new cue.
+ if (!line || hasSubstring && (alreadyCollectedLine = true)) {
+ // We are done parsing self cue.
+ self.oncue && self.oncue(self.cue);
+ self.cue = null;
+ self.state = "ID";
+ continue;
+ }
+ if (self.cue.text) {
+ self.cue.text += "\n";
+ }
+ self.cue.text += line;
+ continue;
+ case "BADCUE": // BADCUE
+ // 54-62 - Collect and discard the remaining cue.
+ if (!line) {
+ self.state = "ID";
+ }
+ continue;
+ }
+ }
+ } catch (e) {
+ self.reportOrThrowError(e);
+
+ // If we are currently parsing a cue, report what we have.
+ if (self.state === "CUETEXT" && self.cue && self.oncue) {
+ self.oncue(self.cue);
+ }
+ self.cue = null;
+ // Enter BADWEBVTT state if header was not parsed correctly otherwise
+ // another exception occurred so enter BADCUE state.
+ self.state = self.state === "INITIAL" ? "BADWEBVTT" : "BADCUE";
+ }
+ return this;
+ },
+ flush: function () {
+ var self = this;
+ try {
+ // Finish decoding the stream.
+ self.buffer += self.decoder.decode();
+ // Synthesize the end of the current cue or region.
+ if (self.cue || self.state === "HEADER") {
+ self.buffer += "\n\n";
+ self.parse();
+ }
+ // If we've flushed, parsed, and we're still on the INITIAL state then
+ // that means we don't have enough of the stream to parse the first
+ // line.
+ if (self.state === "INITIAL") {
+ throw new ParsingError(ParsingError.Errors.BadSignature);
+ }
+ } catch(e) {
+ self.reportOrThrowError(e);
+ }
+ self.onflush && self.onflush();
+ return this;
+ }
+};
+
+var vtt$1 = WebVTT$1;
+
+/**
+ * Copyright 2013 vtt.js Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+var autoKeyword = "auto";
+var directionSetting = {
+ "": true,
+ "lr": true,
+ "rl": true
+};
+var alignSetting = {
+ "start": true,
+ "middle": true,
+ "end": true,
+ "left": true,
+ "right": true
+};
+
+function findDirectionSetting(value) {
+ if (typeof value !== "string") {
+ return false;
+ }
+ var dir = directionSetting[value.toLowerCase()];
+ return dir ? value.toLowerCase() : false;
+}
+
+function findAlignSetting(value) {
+ if (typeof value !== "string") {
+ return false;
+ }
+ var align = alignSetting[value.toLowerCase()];
+ return align ? value.toLowerCase() : false;
+}
+
+function extend$1(obj) {
+ var i = 1;
+ for (; i < arguments.length; i++) {
+ var cobj = arguments[i];
+ for (var p in cobj) {
+ obj[p] = cobj[p];
+ }
+ }
+
+ return obj;
+}
+
+function VTTCue(startTime, endTime, text) {
+ var cue = this;
+ var isIE8 = (/MSIE\s8\.0/).test(navigator.userAgent);
+ var baseObj = {};
+
+ if (isIE8) {
+ cue = document.createElement('custom');
+ } else {
+ baseObj.enumerable = true;
+ }
+
+ /**
+ * Shim implementation specific properties. These properties are not in
+ * the spec.
+ */
+
+ // Lets us know when the VTTCue's data has changed in such a way that we need
+ // to recompute its display state. This lets us compute its display state
+ // lazily.
+ cue.hasBeenReset = false;
+
+ /**
+ * VTTCue and TextTrackCue properties
+ * http://dev.w3.org/html5/webvtt/#vttcue-interface
+ */
+
+ var _id = "";
+ var _pauseOnExit = false;
+ var _startTime = startTime;
+ var _endTime = endTime;
+ var _text = text;
+ var _region = null;
+ var _vertical = "";
+ var _snapToLines = true;
+ var _line = "auto";
+ var _lineAlign = "start";
+ var _position = 50;
+ var _positionAlign = "middle";
+ var _size = 50;
+ var _align = "middle";
+
+ Object.defineProperty(cue,
+ "id", extend$1({}, baseObj, {
+ get: function() {
+ return _id;
+ },
+ set: function(value) {
+ _id = "" + value;
+ }
+ }));
+
+ Object.defineProperty(cue,
+ "pauseOnExit", extend$1({}, baseObj, {
+ get: function() {
+ return _pauseOnExit;
+ },
+ set: function(value) {
+ _pauseOnExit = !!value;
+ }
+ }));
+
+ Object.defineProperty(cue,
+ "startTime", extend$1({}, baseObj, {
+ get: function() {
+ return _startTime;
+ },
+ set: function(value) {
+ if (typeof value !== "number") {
+ throw new TypeError("Start time must be set to a number.");
+ }
+ _startTime = value;
+ this.hasBeenReset = true;
+ }
+ }));
+
+ Object.defineProperty(cue,
+ "endTime", extend$1({}, baseObj, {
+ get: function() {
+ return _endTime;
+ },
+ set: function(value) {
+ if (typeof value !== "number") {
+ throw new TypeError("End time must be set to a number.");
+ }
+ _endTime = value;
+ this.hasBeenReset = true;
+ }
+ }));
+
+ Object.defineProperty(cue,
+ "text", extend$1({}, baseObj, {
+ get: function() {
+ return _text;
+ },
+ set: function(value) {
+ _text = "" + value;
+ this.hasBeenReset = true;
+ }
+ }));
+
+ Object.defineProperty(cue,
+ "region", extend$1({}, baseObj, {
+ get: function() {
+ return _region;
+ },
+ set: function(value) {
+ _region = value;
+ this.hasBeenReset = true;
+ }
+ }));
+
+ Object.defineProperty(cue,
+ "vertical", extend$1({}, baseObj, {
+ get: function() {
+ return _vertical;
+ },
+ set: function(value) {
+ var setting = findDirectionSetting(value);
+ // Have to check for false because the setting an be an empty string.
+ if (setting === false) {
+ throw new SyntaxError("An invalid or illegal string was specified.");
+ }
+ _vertical = setting;
+ this.hasBeenReset = true;
+ }
+ }));
+
+ Object.defineProperty(cue,
+ "snapToLines", extend$1({}, baseObj, {
+ get: function() {
+ return _snapToLines;
+ },
+ set: function(value) {
+ _snapToLines = !!value;
+ this.hasBeenReset = true;
+ }
+ }));
+
+ Object.defineProperty(cue,
+ "line", extend$1({}, baseObj, {
+ get: function() {
+ return _line;
+ },
+ set: function(value) {
+ if (typeof value !== "number" && value !== autoKeyword) {
+ throw new SyntaxError("An invalid number or illegal string was specified.");
+ }
+ _line = value;
+ this.hasBeenReset = true;
+ }
+ }));
+
+ Object.defineProperty(cue,
+ "lineAlign", extend$1({}, baseObj, {
+ get: function() {
+ return _lineAlign;
+ },
+ set: function(value) {
+ var setting = findAlignSetting(value);
+ if (!setting) {
+ throw new SyntaxError("An invalid or illegal string was specified.");
+ }
+ _lineAlign = setting;
+ this.hasBeenReset = true;
+ }
+ }));
+
+ Object.defineProperty(cue,
+ "position", extend$1({}, baseObj, {
+ get: function() {
+ return _position;
+ },
+ set: function(value) {
+ if (value < 0 || value > 100) {
+ throw new Error("Position must be between 0 and 100.");
+ }
+ _position = value;
+ this.hasBeenReset = true;
+ }
+ }));
+
+ Object.defineProperty(cue,
+ "positionAlign", extend$1({}, baseObj, {
+ get: function() {
+ return _positionAlign;
+ },
+ set: function(value) {
+ var setting = findAlignSetting(value);
+ if (!setting) {
+ throw new SyntaxError("An invalid or illegal string was specified.");
+ }
+ _positionAlign = setting;
+ this.hasBeenReset = true;
+ }
+ }));
+
+ Object.defineProperty(cue,
+ "size", extend$1({}, baseObj, {
+ get: function() {
+ return _size;
+ },
+ set: function(value) {
+ if (value < 0 || value > 100) {
+ throw new Error("Size must be between 0 and 100.");
+ }
+ _size = value;
+ this.hasBeenReset = true;
+ }
+ }));
+
+ Object.defineProperty(cue,
+ "align", extend$1({}, baseObj, {
+ get: function() {
+ return _align;
+ },
+ set: function(value) {
+ var setting = findAlignSetting(value);
+ if (!setting) {
+ throw new SyntaxError("An invalid or illegal string was specified.");
+ }
+ _align = setting;
+ this.hasBeenReset = true;
+ }
+ }));
+
+ /**
+ * Other <track> spec defined properties
+ */
+
+ // http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#text-track-cue-display-state
+ cue.displayState = undefined;
+
+ if (isIE8) {
+ return cue;
+ }
+}
+
+/**
+ * VTTCue methods
+ */
+
+VTTCue.prototype.getCueAsHTML = function() {
+ // Assume WebVTT.convertCueToDOMTree is on the global.
+ return WebVTT.convertCueToDOMTree(window, this.text);
+};
+
+var vttcue = VTTCue;
+
+/**
+ * Copyright 2013 vtt.js Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+var scrollSetting = {
+ "": true,
+ "up": true
+};
+
+function findScrollSetting(value) {
+ if (typeof value !== "string") {
+ return false;
+ }
+ var scroll = scrollSetting[value.toLowerCase()];
+ return scroll ? value.toLowerCase() : false;
+}
+
+function isValidPercentValue(value) {
+ return typeof value === "number" && (value >= 0 && value <= 100);
+}
+
+// VTTRegion shim http://dev.w3.org/html5/webvtt/#vttregion-interface
+function VTTRegion() {
+ var _width = 100;
+ var _lines = 3;
+ var _regionAnchorX = 0;
+ var _regionAnchorY = 100;
+ var _viewportAnchorX = 0;
+ var _viewportAnchorY = 100;
+ var _scroll = "";
+
+ Object.defineProperties(this, {
+ "width": {
+ enumerable: true,
+ get: function() {
+ return _width;
+ },
+ set: function(value) {
+ if (!isValidPercentValue(value)) {
+ throw new Error("Width must be between 0 and 100.");
+ }
+ _width = value;
+ }
+ },
+ "lines": {
+ enumerable: true,
+ get: function() {
+ return _lines;
+ },
+ set: function(value) {
+ if (typeof value !== "number") {
+ throw new TypeError("Lines must be set to a number.");
+ }
+ _lines = value;
+ }
+ },
+ "regionAnchorY": {
+ enumerable: true,
+ get: function() {
+ return _regionAnchorY;
+ },
+ set: function(value) {
+ if (!isValidPercentValue(value)) {
+ throw new Error("RegionAnchorX must be between 0 and 100.");
+ }
+ _regionAnchorY = value;
+ }
+ },
+ "regionAnchorX": {
+ enumerable: true,
+ get: function() {
+ return _regionAnchorX;
+ },
+ set: function(value) {
+ if(!isValidPercentValue(value)) {
+ throw new Error("RegionAnchorY must be between 0 and 100.");
+ }
+ _regionAnchorX = value;
+ }
+ },
+ "viewportAnchorY": {
+ enumerable: true,
+ get: function() {
+ return _viewportAnchorY;
+ },
+ set: function(value) {
+ if (!isValidPercentValue(value)) {
+ throw new Error("ViewportAnchorY must be between 0 and 100.");
+ }
+ _viewportAnchorY = value;
+ }
+ },
+ "viewportAnchorX": {
+ enumerable: true,
+ get: function() {
+ return _viewportAnchorX;
+ },
+ set: function(value) {
+ if (!isValidPercentValue(value)) {
+ throw new Error("ViewportAnchorX must be between 0 and 100.");
+ }
+ _viewportAnchorX = value;
+ }
+ },
+ "scroll": {
+ enumerable: true,
+ get: function() {
+ return _scroll;
+ },
+ set: function(value) {
+ var setting = findScrollSetting(value);
+ // Have to check for false as an empty string is a legal value.
+ if (setting === false) {
+ throw new SyntaxError("An invalid or illegal string was specified.");
+ }
+ _scroll = setting;
+ }
+ }
+ });
+}
+
+var vttregion = VTTRegion;
+
+var browserIndex = createCommonjsModule(function (module) {
+/**
+ * Copyright 2013 vtt.js Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// Default exports for Node. Export the extended versions of VTTCue and
+// VTTRegion in Node since we likely want the capability to convert back and
+// forth between JSON. If we don't then it's not that big of a deal since we're
+// off browser.
+
+
+
+var vttjs = module.exports = {
+ WebVTT: vtt$1,
+ VTTCue: vttcue,
+ VTTRegion: vttregion
+};
+
+window_1.vttjs = vttjs;
+window_1.WebVTT = vttjs.WebVTT;
+
+var cueShim = vttjs.VTTCue;
+var regionShim = vttjs.VTTRegion;
+var nativeVTTCue = window_1.VTTCue;
+var nativeVTTRegion = window_1.VTTRegion;
+
+vttjs.shim = function() {
+ window_1.VTTCue = cueShim;
+ window_1.VTTRegion = regionShim;
+};
+
+vttjs.restore = function() {
+ window_1.VTTCue = nativeVTTCue;
+ window_1.VTTRegion = nativeVTTRegion;
+};
+
+if (!window_1.VTTCue) {
+ vttjs.shim();
+}
+});
+
+/**
+ * @file tech.js
+ */
+
+/**
+ * An Object containing a structure like: `{src: 'url', type: 'mimetype'}` or string
+ * that just contains the src url alone.
+ * * `var SourceObject = {src: 'http://ex.com/video.mp4', type: 'video/mp4'};`
+ * `var SourceString = 'http://example.com/some-video.mp4';`
+ *
+ * @typedef {Object|string} Tech~SourceObject
+ *
+ * @property {string} src
+ * The url to the source
+ *
+ * @property {string} type
+ * The mime type of the source
+ */
+
+/**
+ * A function used by {@link Tech} to create a new {@link TextTrack}.
+ *
+ * @private
+ *
+ * @param {Tech} self
+ * An instance of the Tech class.
+ *
+ * @param {string} kind
+ * `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)
+ *
+ * @param {string} [label]
+ * Label to identify the text track
+ *
+ * @param {string} [language]
+ * Two letter language abbreviation
+ *
+ * @param {Object} [options={}]
+ * An object with additional text track options
+ *
+ * @return {TextTrack}
+ * The text track that was created.
+ */
+function createTrackHelper(self, kind, label, language) {
+ var options = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : {};
+
+ var tracks = self.textTracks();
+
+ options.kind = kind;
+
+ if (label) {
+ options.label = label;
+ }
+ if (language) {
+ options.language = language;
+ }
+ options.tech = self;
+
+ var track = new ALL.text.TrackClass(options);
+
+ tracks.addTrack(track);
+
+ return track;
+}
+
+/**
+ * This is the base class for media playback technology controllers, such as
+ * {@link Flash} and {@link HTML5}
+ *
+ * @extends Component
+ */
+
+var Tech = function (_Component) {
+ inherits(Tech, _Component);
+
+ /**
+ * Create an instance of this Tech.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ *
+ * @param {Component~ReadyCallback} ready
+ * Callback function to call when the `HTML5` Tech is ready.
+ */
+ function Tech() {
+ var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+ var ready = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : function () {};
+ classCallCheck(this, Tech);
+
+ // we don't want the tech to report user activity automatically.
+ // This is done manually in addControlsListeners
+ options.reportTouchActivity = false;
+
+ // keep track of whether the current source has played at all to
+ // implement a very limited played()
+ var _this = possibleConstructorReturn(this, _Component.call(this, null, options, ready));
+
+ _this.hasStarted_ = false;
+ _this.on('playing', function () {
+ this.hasStarted_ = true;
+ });
+ _this.on('loadstart', function () {
+ this.hasStarted_ = false;
+ });
+
+ ALL.names.forEach(function (name) {
+ var props = ALL[name];
+
+ if (options && options[props.getterName]) {
+ _this[props.privateName] = options[props.getterName];
+ }
+ });
+
+ // Manually track progress in cases where the browser/flash player doesn't report it.
+ if (!_this.featuresProgressEvents) {
+ _this.manualProgressOn();
+ }
+
+ // Manually track timeupdates in cases where the browser/flash player doesn't report it.
+ if (!_this.featuresTimeupdateEvents) {
+ _this.manualTimeUpdatesOn();
+ }
+
+ ['Text', 'Audio', 'Video'].forEach(function (track) {
+ if (options['native' + track + 'Tracks'] === false) {
+ _this['featuresNative' + track + 'Tracks'] = false;
+ }
+ });
+
+ if (options.nativeCaptions === false || options.nativeTextTracks === false) {
+ _this.featuresNativeTextTracks = false;
+ } else if (options.nativeCaptions === true || options.nativeTextTracks === true) {
+ _this.featuresNativeTextTracks = true;
+ }
+
+ if (!_this.featuresNativeTextTracks) {
+ _this.emulateTextTracks();
+ }
+
+ _this.autoRemoteTextTracks_ = new ALL.text.ListClass();
+
+ _this.initTrackListeners();
+
+ // Turn on component tap events only if not using native controls
+ if (!options.nativeControlsForTouch) {
+ _this.emitTapEvents();
+ }
+
+ if (_this.constructor) {
+ _this.name_ = _this.constructor.name || 'Unknown Tech';
+ }
+ return _this;
+ }
+
+ /* Fallbacks for unsupported event types
+ ================================================================================ */
+
+ /**
+ * Polyfill the `progress` event for browsers that don't support it natively.
+ *
+ * @see {@link Tech#trackProgress}
+ */
+
+
+ Tech.prototype.manualProgressOn = function manualProgressOn() {
+ this.on('durationchange', this.onDurationChange);
+
+ this.manualProgress = true;
+
+ // Trigger progress watching when a source begins loading
+ this.one('ready', this.trackProgress);
+ };
+
+ /**
+ * Turn off the polyfill for `progress` events that was created in
+ * {@link Tech#manualProgressOn}
+ */
+
+
+ Tech.prototype.manualProgressOff = function manualProgressOff() {
+ this.manualProgress = false;
+ this.stopTrackingProgress();
+
+ this.off('durationchange', this.onDurationChange);
+ };
+
+ /**
+ * This is used to trigger a `progress` event when the buffered percent changes. It
+ * sets an interval function that will be called every 500 milliseconds to check if the
+ * buffer end percent has changed.
+ *
+ * > This function is called by {@link Tech#manualProgressOn}
+ *
+ * @param {EventTarget~Event} event
+ * The `ready` event that caused this to run.
+ *
+ * @listens Tech#ready
+ * @fires Tech#progress
+ */
+
+
+ Tech.prototype.trackProgress = function trackProgress(event) {
+ this.stopTrackingProgress();
+ this.progressInterval = this.setInterval(bind(this, function () {
+ // Don't trigger unless buffered amount is greater than last time
+
+ var numBufferedPercent = this.bufferedPercent();
+
+ if (this.bufferedPercent_ !== numBufferedPercent) {
+ /**
+ * See {@link Player#progress}
+ *
+ * @event Tech#progress
+ * @type {EventTarget~Event}
+ */
+ this.trigger('progress');
+ }
+
+ this.bufferedPercent_ = numBufferedPercent;
+
+ if (numBufferedPercent === 1) {
+ this.stopTrackingProgress();
+ }
+ }), 500);
+ };
+
+ /**
+ * Update our internal duration on a `durationchange` event by calling
+ * {@link Tech#duration}.
+ *
+ * @param {EventTarget~Event} event
+ * The `durationchange` event that caused this to run.
+ *
+ * @listens Tech#durationchange
+ */
+
+
+ Tech.prototype.onDurationChange = function onDurationChange(event) {
+ this.duration_ = this.duration();
+ };
+
+ /**
+ * Get and create a `TimeRange` object for buffering.
+ *
+ * @return {TimeRange}
+ * The time range object that was created.
+ */
+
+
+ Tech.prototype.buffered = function buffered() {
+ return createTimeRanges(0, 0);
+ };
+
+ /**
+ * Get the percentage of the current video that is currently buffered.
+ *
+ * @return {number}
+ * A number from 0 to 1 that represents the decimal percentage of the
+ * video that is buffered.
+ *
+ */
+
+
+ Tech.prototype.bufferedPercent = function bufferedPercent$$1() {
+ return bufferedPercent(this.buffered(), this.duration_);
+ };
+
+ /**
+ * Turn off the polyfill for `progress` events that was created in
+ * {@link Tech#manualProgressOn}
+ * Stop manually tracking progress events by clearing the interval that was set in
+ * {@link Tech#trackProgress}.
+ */
+
+
+ Tech.prototype.stopTrackingProgress = function stopTrackingProgress() {
+ this.clearInterval(this.progressInterval);
+ };
+
+ /**
+ * Polyfill the `timeupdate` event for browsers that don't support it.
+ *
+ * @see {@link Tech#trackCurrentTime}
+ */
+
+
+ Tech.prototype.manualTimeUpdatesOn = function manualTimeUpdatesOn() {
+ this.manualTimeUpdates = true;
+
+ this.on('play', this.trackCurrentTime);
+ this.on('pause', this.stopTrackingCurrentTime);
+ };
+
+ /**
+ * Turn off the polyfill for `timeupdate` events that was created in
+ * {@link Tech#manualTimeUpdatesOn}
+ */
+
+
+ Tech.prototype.manualTimeUpdatesOff = function manualTimeUpdatesOff() {
+ this.manualTimeUpdates = false;
+ this.stopTrackingCurrentTime();
+ this.off('play', this.trackCurrentTime);
+ this.off('pause', this.stopTrackingCurrentTime);
+ };
+
+ /**
+ * Sets up an interval function to track current time and trigger `timeupdate` every
+ * 250 milliseconds.
+ *
+ * @listens Tech#play
+ * @triggers Tech#timeupdate
+ */
+
+
+ Tech.prototype.trackCurrentTime = function trackCurrentTime() {
+ if (this.currentTimeInterval) {
+ this.stopTrackingCurrentTime();
+ }
+ this.currentTimeInterval = this.setInterval(function () {
+ /**
+ * Triggered at an interval of 250ms to indicated that time is passing in the video.
+ *
+ * @event Tech#timeupdate
+ * @type {EventTarget~Event}
+ */
+ this.trigger({ type: 'timeupdate', target: this, manuallyTriggered: true });
+
+ // 42 = 24 fps // 250 is what Webkit uses // FF uses 15
+ }, 250);
+ };
+
+ /**
+ * Stop the interval function created in {@link Tech#trackCurrentTime} so that the
+ * `timeupdate` event is no longer triggered.
+ *
+ * @listens {Tech#pause}
+ */
+
+
+ Tech.prototype.stopTrackingCurrentTime = function stopTrackingCurrentTime() {
+ this.clearInterval(this.currentTimeInterval);
+
+ // #1002 - if the video ends right before the next timeupdate would happen,
+ // the progress bar won't make it all the way to the end
+ this.trigger({ type: 'timeupdate', target: this, manuallyTriggered: true });
+ };
+
+ /**
+ * Turn off all event polyfills, clear the `Tech`s {@link AudioTrackList},
+ * {@link VideoTrackList}, and {@link TextTrackList}, and dispose of this Tech.
+ *
+ * @fires Component#dispose
+ */
+
+
+ Tech.prototype.dispose = function dispose() {
+
+ // clear out all tracks because we can't reuse them between techs
+ this.clearTracks(NORMAL.names);
+
+ // Turn off any manual progress or timeupdate tracking
+ if (this.manualProgress) {
+ this.manualProgressOff();
+ }
+
+ if (this.manualTimeUpdates) {
+ this.manualTimeUpdatesOff();
+ }
+
+ _Component.prototype.dispose.call(this);
+ };
+
+ /**
+ * Clear out a single `TrackList` or an array of `TrackLists` given their names.
+ *
+ * > Note: Techs without source handlers should call this between sources for `video`
+ * & `audio` tracks. You don't want to use them between tracks!
+ *
+ * @param {string[]|string} types
+ * TrackList names to clear, valid names are `video`, `audio`, and
+ * `text`.
+ */
+
+
+ Tech.prototype.clearTracks = function clearTracks(types) {
+ var _this2 = this;
+
+ types = [].concat(types);
+ // clear out all tracks because we can't reuse them between techs
+ types.forEach(function (type) {
+ var list = _this2[type + 'Tracks']() || [];
+ var i = list.length;
+
+ while (i--) {
+ var track = list[i];
+
+ if (type === 'text') {
+ _this2.removeRemoteTextTrack(track);
+ }
+ list.removeTrack(track);
+ }
+ });
+ };
+
+ /**
+ * Remove any TextTracks added via addRemoteTextTrack that are
+ * flagged for automatic garbage collection
+ */
+
+
+ Tech.prototype.cleanupAutoTextTracks = function cleanupAutoTextTracks() {
+ var list = this.autoRemoteTextTracks_ || [];
+ var i = list.length;
+
+ while (i--) {
+ var track = list[i];
+
+ this.removeRemoteTextTrack(track);
+ }
+ };
+
+ /**
+ * Reset the tech, which will removes all sources and reset the internal readyState.
+ *
+ * @abstract
+ */
+
+
+ Tech.prototype.reset = function reset() {};
+
+ /**
+ * Get or set an error on the Tech.
+ *
+ * @param {MediaError} [err]
+ * Error to set on the Tech
+ *
+ * @return {MediaError|null}
+ * The current error object on the tech, or null if there isn't one.
+ */
+
+
+ Tech.prototype.error = function error(err) {
+ if (err !== undefined) {
+ this.error_ = new MediaError(err);
+ this.trigger('error');
+ }
+ return this.error_;
+ };
+
+ /**
+ * Returns the `TimeRange`s that have been played through for the current source.
+ *
+ * > NOTE: This implementation is incomplete. It does not track the played `TimeRange`.
+ * It only checks wether the source has played at all or not.
+ *
+ * @return {TimeRange}
+ * - A single time range if this video has played
+ * - An empty set of ranges if not.
+ */
+
+
+ Tech.prototype.played = function played() {
+ if (this.hasStarted_) {
+ return createTimeRanges(0, 0);
+ }
+ return createTimeRanges();
+ };
+
+ /**
+ * Causes a manual time update to occur if {@link Tech#manualTimeUpdatesOn} was
+ * previously called.
+ *
+ * @fires Tech#timeupdate
+ */
+
+
+ Tech.prototype.setCurrentTime = function setCurrentTime() {
+ // improve the accuracy of manual timeupdates
+ if (this.manualTimeUpdates) {
+ /**
+ * A manual `timeupdate` event.
+ *
+ * @event Tech#timeupdate
+ * @type {EventTarget~Event}
+ */
+ this.trigger({ type: 'timeupdate', target: this, manuallyTriggered: true });
+ }
+ };
+
+ /**
+ * Turn on listeners for {@link VideoTrackList}, {@link {AudioTrackList}, and
+ * {@link TextTrackList} events.
+ *
+ * This adds {@link EventTarget~EventListeners} for `addtrack`, and `removetrack`.
+ *
+ * @fires Tech#audiotrackchange
+ * @fires Tech#videotrackchange
+ * @fires Tech#texttrackchange
+ */
+
+
+ Tech.prototype.initTrackListeners = function initTrackListeners() {
+ var _this3 = this;
+
+ /**
+ * Triggered when tracks are added or removed on the Tech {@link AudioTrackList}
+ *
+ * @event Tech#audiotrackchange
+ * @type {EventTarget~Event}
+ */
+
+ /**
+ * Triggered when tracks are added or removed on the Tech {@link VideoTrackList}
+ *
+ * @event Tech#videotrackchange
+ * @type {EventTarget~Event}
+ */
+
+ /**
+ * Triggered when tracks are added or removed on the Tech {@link TextTrackList}
+ *
+ * @event Tech#texttrackchange
+ * @type {EventTarget~Event}
+ */
+ NORMAL.names.forEach(function (name) {
+ var props = NORMAL[name];
+ var trackListChanges = function trackListChanges() {
+ _this3.trigger(name + 'trackchange');
+ };
+
+ var tracks = _this3[props.getterName]();
+
+ tracks.addEventListener('removetrack', trackListChanges);
+ tracks.addEventListener('addtrack', trackListChanges);
+
+ _this3.on('dispose', function () {
+ tracks.removeEventListener('removetrack', trackListChanges);
+ tracks.removeEventListener('addtrack', trackListChanges);
+ });
+ });
+ };
+
+ /**
+ * Emulate TextTracks using vtt.js if necessary
+ *
+ * @fires Tech#vttjsloaded
+ * @fires Tech#vttjserror
+ */
+
+
+ Tech.prototype.addWebVttScript_ = function addWebVttScript_() {
+ var _this4 = this;
+
+ if (window_1.WebVTT) {
+ return;
+ }
+
+ // Initially, Tech.el_ is a child of a dummy-div wait until the Component system
+ // signals that the Tech is ready at which point Tech.el_ is part of the DOM
+ // before inserting the WebVTT script
+ if (document_1.body.contains(this.el())) {
+
+ // load via require if available and vtt.js script location was not passed in
+ // as an option. novtt builds will turn the above require call into an empty object
+ // which will cause this if check to always fail.
+ if (!this.options_['vtt.js'] && isPlain(browserIndex) && Object.keys(browserIndex).length > 0) {
+ this.trigger('vttjsloaded');
+ return;
+ }
+
+ // load vtt.js via the script location option or the cdn of no location was
+ // passed in
+ var script = document_1.createElement('script');
+
+ script.src = this.options_['vtt.js'] || 'https://vjs.zencdn.net/vttjs/0.12.4/vtt.min.js';
+ script.onload = function () {
+ /**
+ * Fired when vtt.js is loaded.
+ *
+ * @event Tech#vttjsloaded
+ * @type {EventTarget~Event}
+ */
+ _this4.trigger('vttjsloaded');
+ };
+ script.onerror = function () {
+ /**
+ * Fired when vtt.js was not loaded due to an error
+ *
+ * @event Tech#vttjsloaded
+ * @type {EventTarget~Event}
+ */
+ _this4.trigger('vttjserror');
+ };
+ this.on('dispose', function () {
+ script.onload = null;
+ script.onerror = null;
+ });
+ // but have not loaded yet and we set it to true before the inject so that
+ // we don't overwrite the injected window.WebVTT if it loads right away
+ window_1.WebVTT = true;
+ this.el().parentNode.appendChild(script);
+ } else {
+ this.ready(this.addWebVttScript_);
+ }
+ };
+
+ /**
+ * Emulate texttracks
+ *
+ */
+
+
+ Tech.prototype.emulateTextTracks = function emulateTextTracks() {
+ var _this5 = this;
+
+ var tracks = this.textTracks();
+ var remoteTracks = this.remoteTextTracks();
+ var handleAddTrack = function handleAddTrack(e) {
+ return tracks.addTrack(e.track);
+ };
+ var handleRemoveTrack = function handleRemoveTrack(e) {
+ return tracks.removeTrack(e.track);
+ };
+
+ remoteTracks.on('addtrack', handleAddTrack);
+ remoteTracks.on('removetrack', handleRemoveTrack);
+
+ this.addWebVttScript_();
+
+ var updateDisplay = function updateDisplay() {
+ return _this5.trigger('texttrackchange');
+ };
+
+ var textTracksChanges = function textTracksChanges() {
+ updateDisplay();
+
+ for (var i = 0; i < tracks.length; i++) {
+ var track = tracks[i];
+
+ track.removeEventListener('cuechange', updateDisplay);
+ if (track.mode === 'showing') {
+ track.addEventListener('cuechange', updateDisplay);
+ }
+ }
+ };
+
+ textTracksChanges();
+ tracks.addEventListener('change', textTracksChanges);
+ tracks.addEventListener('addtrack', textTracksChanges);
+ tracks.addEventListener('removetrack', textTracksChanges);
+
+ this.on('dispose', function () {
+ remoteTracks.off('addtrack', handleAddTrack);
+ remoteTracks.off('removetrack', handleRemoveTrack);
+ tracks.removeEventListener('change', textTracksChanges);
+ tracks.removeEventListener('addtrack', textTracksChanges);
+ tracks.removeEventListener('removetrack', textTracksChanges);
+
+ for (var i = 0; i < tracks.length; i++) {
+ var track = tracks[i];
+
+ track.removeEventListener('cuechange', updateDisplay);
+ }
+ });
+ };
+
+ /**
+ * Create and returns a remote {@link TextTrack} object.
+ *
+ * @param {string} kind
+ * `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)
+ *
+ * @param {string} [label]
+ * Label to identify the text track
+ *
+ * @param {string} [language]
+ * Two letter language abbreviation
+ *
+ * @return {TextTrack}
+ * The TextTrack that gets created.
+ */
+
+
+ Tech.prototype.addTextTrack = function addTextTrack(kind, label, language) {
+ if (!kind) {
+ throw new Error('TextTrack kind is required but was not provided');
+ }
+
+ return createTrackHelper(this, kind, label, language);
+ };
+
+ /**
+ * Create an emulated TextTrack for use by addRemoteTextTrack
+ *
+ * This is intended to be overridden by classes that inherit from
+ * Tech in order to create native or custom TextTracks.
+ *
+ * @param {Object} options
+ * The object should contain the options to initialize the TextTrack with.
+ *
+ * @param {string} [options.kind]
+ * `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata).
+ *
+ * @param {string} [options.label].
+ * Label to identify the text track
+ *
+ * @param {string} [options.language]
+ * Two letter language abbreviation.
+ *
+ * @return {HTMLTrackElement}
+ * The track element that gets created.
+ */
+
+
+ Tech.prototype.createRemoteTextTrack = function createRemoteTextTrack(options) {
+ var track = mergeOptions(options, {
+ tech: this
+ });
+
+ return new REMOTE.remoteTextEl.TrackClass(track);
+ };
+
+ /**
+ * Creates a remote text track object and returns an html track element.
+ *
+ * > Note: This can be an emulated {@link HTMLTrackElement} or a native one.
+ *
+ * @param {Object} options
+ * See {@link Tech#createRemoteTextTrack} for more detailed properties.
+ *
+ * @param {boolean} [manualCleanup=true]
+ * - When false: the TextTrack will be automatically removed from the video
+ * element whenever the source changes
+ * - When True: The TextTrack will have to be cleaned up manually
+ *
+ * @return {HTMLTrackElement}
+ * An Html Track Element.
+ *
+ * @deprecated The default functionality for this function will be equivalent
+ * to "manualCleanup=false" in the future. The manualCleanup parameter will
+ * also be removed.
+ */
+
+
+ Tech.prototype.addRemoteTextTrack = function addRemoteTextTrack() {
+ var _this6 = this;
+
+ var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+ var manualCleanup = arguments[1];
+
+ var htmlTrackElement = this.createRemoteTextTrack(options);
+
+ if (manualCleanup !== true && manualCleanup !== false) {
+ // deprecation warning
+ log$1.warn('Calling addRemoteTextTrack without explicitly setting the "manualCleanup" parameter to `true` is deprecated and default to `false` in future version of video.js');
+ manualCleanup = true;
+ }
+
+ // store HTMLTrackElement and TextTrack to remote list
+ this.remoteTextTrackEls().addTrackElement_(htmlTrackElement);
+ this.remoteTextTracks().addTrack(htmlTrackElement.track);
+
+ if (manualCleanup !== true) {
+ // create the TextTrackList if it doesn't exist
+ this.ready(function () {
+ return _this6.autoRemoteTextTracks_.addTrack(htmlTrackElement.track);
+ });
+ }
+
+ return htmlTrackElement;
+ };
+
+ /**
+ * Remove a remote text track from the remote `TextTrackList`.
+ *
+ * @param {TextTrack} track
+ * `TextTrack` to remove from the `TextTrackList`
+ */
+
+
+ Tech.prototype.removeRemoteTextTrack = function removeRemoteTextTrack(track) {
+ var trackElement = this.remoteTextTrackEls().getTrackElementByTrack_(track);
+
+ // remove HTMLTrackElement and TextTrack from remote list
+ this.remoteTextTrackEls().removeTrackElement_(trackElement);
+ this.remoteTextTracks().removeTrack(track);
+ this.autoRemoteTextTracks_.removeTrack(track);
+ };
+
+ /**
+ * Gets available media playback quality metrics as specified by the W3C's Media
+ * Playback Quality API.
+ *
+ * @see [Spec]{@link https://wicg.github.io/media-playback-quality}
+ *
+ * @return {Object}
+ * An object with supported media playback quality metrics
+ *
+ * @abstract
+ */
+
+
+ Tech.prototype.getVideoPlaybackQuality = function getVideoPlaybackQuality() {
+ return {};
+ };
+
+ /**
+ * A method to set a poster from a `Tech`.
+ *
+ * @abstract
+ */
+
+
+ Tech.prototype.setPoster = function setPoster() {};
+
+ /**
+ * A method to check for the presence of the 'playsinine' <video> attribute.
+ *
+ * @abstract
+ */
+
+
+ Tech.prototype.playsinline = function playsinline() {};
+
+ /**
+ * A method to set or unset the 'playsinine' <video> attribute.
+ *
+ * @abstract
+ */
+
+
+ Tech.prototype.setPlaysinline = function setPlaysinline() {};
+
+ /*
+ * Check if the tech can support the given mime-type.
+ *
+ * The base tech does not support any type, but source handlers might
+ * overwrite this.
+ *
+ * @param {string} type
+ * The mimetype to check for support
+ *
+ * @return {string}
+ * 'probably', 'maybe', or empty string
+ *
+ * @see [Spec]{@link https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/canPlayType}
+ *
+ * @abstract
+ */
+
+
+ Tech.prototype.canPlayType = function canPlayType() {
+ return '';
+ };
+
+ /**
+ * Check if the type is supported by this tech.
+ *
+ * The base tech does not support any type, but source handlers might
+ * overwrite this.
+ *
+ * @param {string} type
+ * The media type to check
+ * @return {string} Returns the native video element's response
+ */
+
+
+ Tech.canPlayType = function canPlayType() {
+ return '';
+ };
+
+ /**
+ * Check if the tech can support the given source
+ * @param {Object} srcObj
+ * The source object
+ * @param {Object} options
+ * The options passed to the tech
+ * @return {string} 'probably', 'maybe', or '' (empty string)
+ */
+
+
+ Tech.canPlaySource = function canPlaySource(srcObj, options) {
+ return Tech.canPlayType(srcObj.type);
+ };
+
+ /*
+ * Return whether the argument is a Tech or not.
+ * Can be passed either a Class like `Html5` or a instance like `player.tech_`
+ *
+ * @param {Object} component
+ * The item to check
+ *
+ * @return {boolean}
+ * Whether it is a tech or not
+ * - True if it is a tech
+ * - False if it is not
+ */
+
+
+ Tech.isTech = function isTech(component) {
+ return component.prototype instanceof Tech || component instanceof Tech || component === Tech;
+ };
+
+ /**
+ * Registers a `Tech` into a shared list for videojs.
+ *
+ * @param {string} name
+ * Name of the `Tech` to register.
+ *
+ * @param {Object} tech
+ * The `Tech` class to register.
+ */
+
+
+ Tech.registerTech = function registerTech(name, tech) {
+ if (!Tech.techs_) {
+ Tech.techs_ = {};
+ }
+
+ if (!Tech.isTech(tech)) {
+ throw new Error('Tech ' + name + ' must be a Tech');
+ }
+
+ if (!Tech.canPlayType) {
+ throw new Error('Techs must have a static canPlayType method on them');
+ }
+ if (!Tech.canPlaySource) {
+ throw new Error('Techs must have a static canPlaySource method on them');
+ }
+
+ name = toTitleCase(name);
+
+ Tech.techs_[name] = tech;
+ if (name !== 'Tech') {
+ // camel case the techName for use in techOrder
+ Tech.defaultTechOrder_.push(name);
+ }
+ return tech;
+ };
+
+ /**
+ * Get a `Tech` from the shared list by name.
+ *
+ * @param {string} name
+ * `camelCase` or `TitleCase` name of the Tech to get
+ *
+ * @return {Tech|undefined}
+ * The `Tech` or undefined if there was no tech with the name requsted.
+ */
+
+
+ Tech.getTech = function getTech(name) {
+ if (!name) {
+ return;
+ }
+
+ name = toTitleCase(name);
+
+ if (Tech.techs_ && Tech.techs_[name]) {
+ return Tech.techs_[name];
+ }
+
+ if (window_1 && window_1.videojs && window_1.videojs[name]) {
+ log$1.warn('The ' + name + ' tech was added to the videojs object when it should be registered using videojs.registerTech(name, tech)');
+ return window_1.videojs[name];
+ }
+ };
+
+ return Tech;
+}(Component);
+
+/**
+ * Get the {@link VideoTrackList}
+ *
+ * @returns {VideoTrackList}
+ * @method Tech.prototype.videoTracks
+ */
+
+/**
+ * Get the {@link AudioTrackList}
+ *
+ * @returns {AudioTrackList}
+ * @method Tech.prototype.audioTracks
+ */
+
+/**
+ * Get the {@link TextTrackList}
+ *
+ * @returns {TextTrackList}
+ * @method Tech.prototype.textTracks
+ */
+
+/**
+ * Get the remote element {@link TextTrackList}
+ *
+ * @returns {TextTrackList}
+ * @method Tech.prototype.remoteTextTracks
+ */
+
+/**
+ * Get the remote element {@link HtmlTrackElementList}
+ *
+ * @returns {HtmlTrackElementList}
+ * @method Tech.prototype.remoteTextTrackEls
+ */
+
+ALL.names.forEach(function (name) {
+ var props = ALL[name];
+
+ Tech.prototype[props.getterName] = function () {
+ this[props.privateName] = this[props.privateName] || new props.ListClass();
+ return this[props.privateName];
+ };
+});
+
+/**
+ * List of associated text tracks
+ *
+ * @type {TextTrackList}
+ * @private
+ * @property Tech#textTracks_
+ */
+
+/**
+ * List of associated audio tracks.
+ *
+ * @type {AudioTrackList}
+ * @private
+ * @property Tech#audioTracks_
+ */
+
+/**
+ * List of associated video tracks.
+ *
+ * @type {VideoTrackList}
+ * @private
+ * @property Tech#videoTracks_
+ */
+
+/**
+ * Boolean indicating wether the `Tech` supports volume control.
+ *
+ * @type {boolean}
+ * @default
+ */
+Tech.prototype.featuresVolumeControl = true;
+
+/**
+ * Boolean indicating wether the `Tech` support fullscreen resize control.
+ * Resizing plugins using request fullscreen reloads the plugin
+ *
+ * @type {boolean}
+ * @default
+ */
+Tech.prototype.featuresFullscreenResize = false;
+
+/**
+ * Boolean indicating wether the `Tech` supports changing the speed at which the video
+ * plays. Examples:
+ * - Set player to play 2x (twice) as fast
+ * - Set player to play 0.5x (half) as fast
+ *
+ * @type {boolean}
+ * @default
+ */
+Tech.prototype.featuresPlaybackRate = false;
+
+/**
+ * Boolean indicating wether the `Tech` supports the `progress` event. This is currently
+ * not triggered by video-js-swf. This will be used to determine if
+ * {@link Tech#manualProgressOn} should be called.
+ *
+ * @type {boolean}
+ * @default
+ */
+Tech.prototype.featuresProgressEvents = false;
+
+/**
+ * Boolean indicating wether the `Tech` supports the `timeupdate` event. This is currently
+ * not triggered by video-js-swf. This will be used to determine if
+ * {@link Tech#manualTimeUpdates} should be called.
+ *
+ * @type {boolean}
+ * @default
+ */
+Tech.prototype.featuresTimeupdateEvents = false;
+
+/**
+ * Boolean indicating wether the `Tech` supports the native `TextTrack`s.
+ * This will help us integrate with native `TextTrack`s if the browser supports them.
+ *
+ * @type {boolean}
+ * @default
+ */
+Tech.prototype.featuresNativeTextTracks = false;
+
+/**
+ * A functional mixin for techs that want to use the Source Handler pattern.
+ * Source handlers are scripts for handling specific formats.
+ * The source handler pattern is used for adaptive formats (HLS, DASH) that
+ * manually load video data and feed it into a Source Buffer (Media Source Extensions)
+ * Example: `Tech.withSourceHandlers.call(MyTech);`
+ *
+ * @param {Tech} _Tech
+ * The tech to add source handler functions to.
+ *
+ * @mixes Tech~SourceHandlerAdditions
+ */
+Tech.withSourceHandlers = function (_Tech) {
+
+ /**
+ * Register a source handler
+ *
+ * @param {Function} handler
+ * The source handler class
+ *
+ * @param {number} [index]
+ * Register it at the following index
+ */
+ _Tech.registerSourceHandler = function (handler, index) {
+ var handlers = _Tech.sourceHandlers;
+
+ if (!handlers) {
+ handlers = _Tech.sourceHandlers = [];
+ }
+
+ if (index === undefined) {
+ // add to the end of the list
+ index = handlers.length;
+ }
+
+ handlers.splice(index, 0, handler);
+ };
+
+ /**
+ * Check if the tech can support the given type. Also checks the
+ * Techs sourceHandlers.
+ *
+ * @param {string} type
+ * The mimetype to check.
+ *
+ * @return {string}
+ * 'probably', 'maybe', or '' (empty string)
+ */
+ _Tech.canPlayType = function (type) {
+ var handlers = _Tech.sourceHandlers || [];
+ var can = void 0;
+
+ for (var i = 0; i < handlers.length; i++) {
+ can = handlers[i].canPlayType(type);
+
+ if (can) {
+ return can;
+ }
+ }
+
+ return '';
+ };
+
+ /**
+ * Returns the first source handler that supports the source.
+ *
+ * TODO: Answer question: should 'probably' be prioritized over 'maybe'
+ *
+ * @param {Tech~SourceObject} source
+ * The source object
+ *
+ * @param {Object} options
+ * The options passed to the tech
+ *
+ * @return {SourceHandler|null}
+ * The first source handler that supports the source or null if
+ * no SourceHandler supports the source
+ */
+ _Tech.selectSourceHandler = function (source, options) {
+ var handlers = _Tech.sourceHandlers || [];
+ var can = void 0;
+
+ for (var i = 0; i < handlers.length; i++) {
+ can = handlers[i].canHandleSource(source, options);
+
+ if (can) {
+ return handlers[i];
+ }
+ }
+
+ return null;
+ };
+
+ /**
+ * Check if the tech can support the given source.
+ *
+ * @param {Tech~SourceObject} srcObj
+ * The source object
+ *
+ * @param {Object} options
+ * The options passed to the tech
+ *
+ * @return {string}
+ * 'probably', 'maybe', or '' (empty string)
+ */
+ _Tech.canPlaySource = function (srcObj, options) {
+ var sh = _Tech.selectSourceHandler(srcObj, options);
+
+ if (sh) {
+ return sh.canHandleSource(srcObj, options);
+ }
+
+ return '';
+ };
+
+ /**
+ * When using a source handler, prefer its implementation of
+ * any function normally provided by the tech.
+ */
+ var deferrable = ['seekable', 'duration'];
+
+ /**
+ * A wrapper around {@link Tech#seekable} that will call a `SourceHandler`s seekable
+ * function if it exists, with a fallback to the Techs seekable function.
+ *
+ * @method _Tech.seekable
+ */
+
+ /**
+ * A wrapper around {@link Tech#duration} that will call a `SourceHandler`s duration
+ * function if it exists, otherwise it will fallback to the techs duration function.
+ *
+ * @method _Tech.duration
+ */
+
+ deferrable.forEach(function (fnName) {
+ var originalFn = this[fnName];
+
+ if (typeof originalFn !== 'function') {
+ return;
+ }
+
+ this[fnName] = function () {
+ if (this.sourceHandler_ && this.sourceHandler_[fnName]) {
+ return this.sourceHandler_[fnName].apply(this.sourceHandler_, arguments);
+ }
+ return originalFn.apply(this, arguments);
+ };
+ }, _Tech.prototype);
+
+ /**
+ * Create a function for setting the source using a source object
+ * and source handlers.
+ * Should never be called unless a source handler was found.
+ *
+ * @param {Tech~SourceObject} source
+ * A source object with src and type keys
+ */
+ _Tech.prototype.setSource = function (source) {
+ var sh = _Tech.selectSourceHandler(source, this.options_);
+
+ if (!sh) {
+ // Fall back to a native source hander when unsupported sources are
+ // deliberately set
+ if (_Tech.nativeSourceHandler) {
+ sh = _Tech.nativeSourceHandler;
+ } else {
+ log$1.error('No source hander found for the current source.');
+ }
+ }
+
+ // Dispose any existing source handler
+ this.disposeSourceHandler();
+ this.off('dispose', this.disposeSourceHandler);
+
+ if (sh !== _Tech.nativeSourceHandler) {
+ this.currentSource_ = source;
+ }
+
+ this.sourceHandler_ = sh.handleSource(source, this, this.options_);
+ this.on('dispose', this.disposeSourceHandler);
+ };
+
+ /**
+ * Clean up any existing SourceHandlers and listeners when the Tech is disposed.
+ *
+ * @listens Tech#dispose
+ */
+ _Tech.prototype.disposeSourceHandler = function () {
+ // if we have a source and get another one
+ // then we are loading something new
+ // than clear all of our current tracks
+ if (this.currentSource_) {
+ this.clearTracks(['audio', 'video']);
+ this.currentSource_ = null;
+ }
+
+ // always clean up auto-text tracks
+ this.cleanupAutoTextTracks();
+
+ if (this.sourceHandler_) {
+
+ if (this.sourceHandler_.dispose) {
+ this.sourceHandler_.dispose();
+ }
+
+ this.sourceHandler_ = null;
+ }
+ };
+};
+
+// The base Tech class needs to be registered as a Component. It is the only
+// Tech that can be registered as a Component.
+Component.registerComponent('Tech', Tech);
+Tech.registerTech('Tech', Tech);
+
+/**
+ * A list of techs that should be added to techOrder on Players
+ *
+ * @private
+ */
+Tech.defaultTechOrder_ = [];
+
+var middlewares = {};
+var middlewareInstances = {};
+
+var TERMINATOR = {};
+
+function use(type, middleware) {
+ middlewares[type] = middlewares[type] || [];
+ middlewares[type].push(middleware);
+}
+
+
+
+function setSource(player, src, next) {
+ player.setTimeout(function () {
+ return setSourceHelper(src, middlewares[src.type], next, player);
+ }, 1);
+}
+
+function setTech(middleware, tech) {
+ middleware.forEach(function (mw) {
+ return mw.setTech && mw.setTech(tech);
+ });
+}
+
+/**
+ * Calls a getter on the tech first, through each middleware
+ * from right to left to the player.
+ */
+function get$1(middleware, tech, method) {
+ return middleware.reduceRight(middlewareIterator(method), tech[method]());
+}
+
+/**
+ * Takes the argument given to the player and calls the setter method on each
+ * middlware from left to right to the tech.
+ */
+function set$1(middleware, tech, method, arg) {
+ return tech[method](middleware.reduce(middlewareIterator(method), arg));
+}
+
+/**
+ * Takes the argument given to the player and calls the `call` version of the method
+ * on each middleware from left to right.
+ * Then, call the passed in method on the tech and return the result unchanged
+ * back to the player, through middleware, this time from right to left.
+ */
+function mediate(middleware, tech, method) {
+ var arg = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null;
+
+ var callMethod = 'call' + toTitleCase(method);
+ var middlewareValue = middleware.reduce(middlewareIterator(callMethod), arg);
+ var terminated = middlewareValue === TERMINATOR;
+ var returnValue = terminated ? null : tech[method](middlewareValue);
+
+ executeRight(middleware, method, returnValue, terminated);
+
+ return returnValue;
+}
+
+var allowedGetters = {
+ buffered: 1,
+ currentTime: 1,
+ duration: 1,
+ seekable: 1,
+ played: 1,
+ paused: 1
+};
+
+var allowedSetters = {
+ setCurrentTime: 1
+};
+
+var allowedMediators = {
+ play: 1,
+ pause: 1
+};
+
+function middlewareIterator(method) {
+ return function (value, mw) {
+ // if the previous middleware terminated, pass along the termination
+ if (value === TERMINATOR) {
+ return TERMINATOR;
+ }
+
+ if (mw[method]) {
+ return mw[method](value);
+ }
+
+ return value;
+ };
+}
+
+function executeRight(mws, method, value, terminated) {
+ for (var i = mws.length - 1; i >= 0; i--) {
+ var mw = mws[i];
+
+ if (mw[method]) {
+ mw[method](terminated, value);
+ }
+ }
+}
+
+function clearCacheForPlayer(player) {
+ middlewareInstances[player.id()] = null;
+}
+
+/**
+ * {
+ * [playerId]: [[mwFactory, mwInstance], ...]
+ * }
+ */
+function getOrCreateFactory(player, mwFactory) {
+ var mws = middlewareInstances[player.id()];
+ var mw = null;
+
+ if (mws === undefined || mws === null) {
+ mw = mwFactory(player);
+ middlewareInstances[player.id()] = [[mwFactory, mw]];
+ return mw;
+ }
+
+ for (var i = 0; i < mws.length; i++) {
+ var _mws$i = mws[i],
+ mwf = _mws$i[0],
+ mwi = _mws$i[1];
+
+
+ if (mwf !== mwFactory) {
+ continue;
+ }
+
+ mw = mwi;
+ }
+
+ if (mw === null) {
+ mw = mwFactory(player);
+ mws.push([mwFactory, mw]);
+ }
+
+ return mw;
+}
+
+function setSourceHelper() {
+ var src = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+ var middleware = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];
+ var next = arguments[2];
+ var player = arguments[3];
+ var acc = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : [];
+ var lastRun = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : false;
+ var mwFactory = middleware[0],
+ mwrest = middleware.slice(1);
+
+ // if mwFactory is a string, then we're at a fork in the road
+
+ if (typeof mwFactory === 'string') {
+ setSourceHelper(src, middlewares[mwFactory], next, player, acc, lastRun);
+
+ // if we have an mwFactory, call it with the player to get the mw,
+ // then call the mw's setSource method
+ } else if (mwFactory) {
+ var mw = getOrCreateFactory(player, mwFactory);
+
+ mw.setSource(assign({}, src), function (err, _src) {
+
+ // something happened, try the next middleware on the current level
+ // make sure to use the old src
+ if (err) {
+ return setSourceHelper(src, mwrest, next, player, acc, lastRun);
+ }
+
+ // we've succeeded, now we need to go deeper
+ acc.push(mw);
+
+ // if it's the same type, continue down the current chain
+ // otherwise, we want to go down the new chain
+ setSourceHelper(_src, src.type === _src.type ? mwrest : middlewares[_src.type], next, player, acc, lastRun);
+ });
+ } else if (mwrest.length) {
+ setSourceHelper(src, mwrest, next, player, acc, lastRun);
+ } else if (lastRun) {
+ next(src, acc);
+ } else {
+ setSourceHelper(src, middlewares['*'], next, player, acc, true);
+ }
+}
+
+/**
+ * @module filter-source
+ */
+/**
+ * Filter out single bad source objects or multiple source objects in an
+ * array. Also flattens nested source object arrays into a 1 dimensional
+ * array of source objects.
+ *
+ * @param {Tech~SourceObject|Tech~SourceObject[]} src
+ * The src object to filter
+ *
+ * @return {Tech~SourceObject[]}
+ * An array of sourceobjects containing only valid sources
+ *
+ * @private
+ */
+var filterSource = function filterSource(src) {
+ // traverse array
+ if (Array.isArray(src)) {
+ var newsrc = [];
+
+ src.forEach(function (srcobj) {
+ srcobj = filterSource(srcobj);
+
+ if (Array.isArray(srcobj)) {
+ newsrc = newsrc.concat(srcobj);
+ } else if (isObject(srcobj)) {
+ newsrc.push(srcobj);
+ }
+ });
+
+ src = newsrc;
+ } else if (typeof src === 'string' && src.trim()) {
+ // convert string into object
+ src = [{ src: src }];
+ } else if (isObject(src) && typeof src.src === 'string' && src.src && src.src.trim()) {
+ // src is already valid
+ src = [src];
+ } else {
+ // invalid source, turn it into an empty array
+ src = [];
+ }
+
+ return src;
+};
+
+/**
+ * @file loader.js
+ */
+/**
+ * The `MediaLoader` is the `Component` that decides which playback technology to load
+ * when a player is initialized.
+ *
+ * @extends Component
+ */
+
+var MediaLoader = function (_Component) {
+ inherits(MediaLoader, _Component);
+
+ /**
+ * Create an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should attach to.
+ *
+ * @param {Object} [options]
+ * The key/value stroe of player options.
+ *
+ * @param {Component~ReadyCallback} [ready]
+ * The function that is run when this component is ready.
+ */
+ function MediaLoader(player, options, ready) {
+ classCallCheck(this, MediaLoader);
+
+ // MediaLoader has no element
+ var options_ = mergeOptions({ createEl: false }, options);
+
+ // If there are no sources when the player is initialized,
+ // load the first supported playback technology.
+
+ var _this = possibleConstructorReturn(this, _Component.call(this, player, options_, ready));
+
+ if (!options.playerOptions.sources || options.playerOptions.sources.length === 0) {
+ for (var i = 0, j = options.playerOptions.techOrder; i < j.length; i++) {
+ var techName = toTitleCase(j[i]);
+ var tech = Tech.getTech(techName);
+
+ // Support old behavior of techs being registered as components.
+ // Remove once that deprecated behavior is removed.
+ if (!techName) {
+ tech = Component.getComponent(techName);
+ }
+
+ // Check if the browser supports this technology
+ if (tech && tech.isSupported()) {
+ player.loadTech_(techName);
+ break;
+ }
+ }
+ } else {
+ // Loop through playback technologies (HTML5, Flash) and check for support.
+ // Then load the best source.
+ // A few assumptions here:
+ // All playback technologies respect preload false.
+ player.src(options.playerOptions.sources);
+ }
+ return _this;
+ }
+
+ return MediaLoader;
+}(Component);
+
+Component.registerComponent('MediaLoader', MediaLoader);
+
+/**
+ * @file button.js
+ */
+/**
+ * Clickable Component which is clickable or keyboard actionable,
+ * but is not a native HTML button.
+ *
+ * @extends Component
+ */
+
+var ClickableComponent = function (_Component) {
+ inherits(ClickableComponent, _Component);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function ClickableComponent(player, options) {
+ classCallCheck(this, ClickableComponent);
+
+ var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+ _this.emitTapEvents();
+
+ _this.enable();
+ return _this;
+ }
+
+ /**
+ * Create the `Component`s DOM element.
+ *
+ * @param {string} [tag=div]
+ * The element's node type.
+ *
+ * @param {Object} [props={}]
+ * An object of properties that should be set on the element.
+ *
+ * @param {Object} [attributes={}]
+ * An object of attributes that should be set on the element.
+ *
+ * @return {Element}
+ * The element that gets created.
+ */
+
+
+ ClickableComponent.prototype.createEl = function createEl$$1() {
+ var tag = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'div';
+ var props = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ var attributes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+
+ props = assign({
+ innerHTML: '<span aria-hidden="true" class="vjs-icon-placeholder"></span>',
+ className: this.buildCSSClass(),
+ tabIndex: 0
+ }, props);
+
+ if (tag === 'button') {
+ log$1.error('Creating a ClickableComponent with an HTML element of ' + tag + ' is not supported; use a Button instead.');
+ }
+
+ // Add ARIA attributes for clickable element which is not a native HTML button
+ attributes = assign({
+ 'role': 'button',
+
+ // let the screen reader user know that the text of the element may change
+ 'aria-live': 'polite'
+ }, attributes);
+
+ this.tabIndex_ = props.tabIndex;
+
+ var el = _Component.prototype.createEl.call(this, tag, props, attributes);
+
+ this.createControlTextEl(el);
+
+ return el;
+ };
+
+ ClickableComponent.prototype.dispose = function dispose() {
+ // remove controlTextEl_ on dipose
+ this.controlTextEl_ = null;
+
+ _Component.prototype.dispose.call(this);
+ };
+
+ /**
+ * Create a control text element on this `Component`
+ *
+ * @param {Element} [el]
+ * Parent element for the control text.
+ *
+ * @return {Element}
+ * The control text element that gets created.
+ */
+
+
+ ClickableComponent.prototype.createControlTextEl = function createControlTextEl(el) {
+ this.controlTextEl_ = createEl('span', {
+ className: 'vjs-control-text'
+ });
+
+ if (el) {
+ el.appendChild(this.controlTextEl_);
+ }
+
+ this.controlText(this.controlText_, el);
+
+ return this.controlTextEl_;
+ };
+
+ /**
+ * Get or set the localize text to use for the controls on the `Component`.
+ *
+ * @param {string} [text]
+ * Control text for element.
+ *
+ * @param {Element} [el=this.el()]
+ * Element to set the title on.
+ *
+ * @return {string}
+ * - The control text when getting
+ */
+
+
+ ClickableComponent.prototype.controlText = function controlText(text) {
+ var el = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.el();
+
+ if (text === undefined) {
+ return this.controlText_ || 'Need Text';
+ }
+
+ var localizedText = this.localize(text);
+
+ this.controlText_ = text;
+ textContent(this.controlTextEl_, localizedText);
+ if (!this.nonIconControl) {
+ // Set title attribute if only an icon is shown
+ el.setAttribute('title', localizedText);
+ }
+ };
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ ClickableComponent.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-control vjs-button ' + _Component.prototype.buildCSSClass.call(this);
+ };
+
+ /**
+ * Enable this `Component`s element.
+ */
+
+
+ ClickableComponent.prototype.enable = function enable() {
+ if (!this.enabled_) {
+ this.enabled_ = true;
+ this.removeClass('vjs-disabled');
+ this.el_.setAttribute('aria-disabled', 'false');
+ if (typeof this.tabIndex_ !== 'undefined') {
+ this.el_.setAttribute('tabIndex', this.tabIndex_);
+ }
+ this.on(['tap', 'click'], this.handleClick);
+ this.on('focus', this.handleFocus);
+ this.on('blur', this.handleBlur);
+ }
+ };
+
+ /**
+ * Disable this `Component`s element.
+ */
+
+
+ ClickableComponent.prototype.disable = function disable() {
+ this.enabled_ = false;
+ this.addClass('vjs-disabled');
+ this.el_.setAttribute('aria-disabled', 'true');
+ if (typeof this.tabIndex_ !== 'undefined') {
+ this.el_.removeAttribute('tabIndex');
+ }
+ this.off(['tap', 'click'], this.handleClick);
+ this.off('focus', this.handleFocus);
+ this.off('blur', this.handleBlur);
+ };
+
+ /**
+ * This gets called when a `ClickableComponent` gets:
+ * - Clicked (via the `click` event, listening starts in the constructor)
+ * - Tapped (via the `tap` event, listening starts in the constructor)
+ * - The following things happen in order:
+ * 1. {@link ClickableComponent#handleFocus} is called via a `focus` event on the
+ * `ClickableComponent`.
+ * 2. {@link ClickableComponent#handleFocus} adds a listener for `keydown` on using
+ * {@link ClickableComponent#handleKeyPress}.
+ * 3. `ClickableComponent` has not had a `blur` event (`blur` means that focus was lost). The user presses
+ * the space or enter key.
+ * 4. {@link ClickableComponent#handleKeyPress} calls this function with the `keydown`
+ * event as a parameter.
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ * @abstract
+ */
+
+
+ ClickableComponent.prototype.handleClick = function handleClick(event) {};
+
+ /**
+ * This gets called when a `ClickableComponent` gains focus via a `focus` event.
+ * Turns on listening for `keydown` events. When they happen it
+ * calls `this.handleKeyPress`.
+ *
+ * @param {EventTarget~Event} event
+ * The `focus` event that caused this function to be called.
+ *
+ * @listens focus
+ */
+
+
+ ClickableComponent.prototype.handleFocus = function handleFocus(event) {
+ on(document_1, 'keydown', bind(this, this.handleKeyPress));
+ };
+
+ /**
+ * Called when this ClickableComponent has focus and a key gets pressed down. By
+ * default it will call `this.handleClick` when the key is space or enter.
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown` event that caused this function to be called.
+ *
+ * @listens keydown
+ */
+
+
+ ClickableComponent.prototype.handleKeyPress = function handleKeyPress(event) {
+
+ // Support Space (32) or Enter (13) key operation to fire a click event
+ if (event.which === 32 || event.which === 13) {
+ event.preventDefault();
+ this.trigger('click');
+ } else if (_Component.prototype.handleKeyPress) {
+
+ // Pass keypress handling up for unsupported keys
+ _Component.prototype.handleKeyPress.call(this, event);
+ }
+ };
+
+ /**
+ * Called when a `ClickableComponent` loses focus. Turns off the listener for
+ * `keydown` events. Which Stops `this.handleKeyPress` from getting called.
+ *
+ * @param {EventTarget~Event} event
+ * The `blur` event that caused this function to be called.
+ *
+ * @listens blur
+ */
+
+
+ ClickableComponent.prototype.handleBlur = function handleBlur(event) {
+ off(document_1, 'keydown', bind(this, this.handleKeyPress));
+ };
+
+ return ClickableComponent;
+}(Component);
+
+Component.registerComponent('ClickableComponent', ClickableComponent);
+
+/**
+ * @file poster-image.js
+ */
+/**
+ * A `ClickableComponent` that handles showing the poster image for the player.
+ *
+ * @extends ClickableComponent
+ */
+
+var PosterImage = function (_ClickableComponent) {
+ inherits(PosterImage, _ClickableComponent);
+
+ /**
+ * Create an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should attach to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function PosterImage(player, options) {
+ classCallCheck(this, PosterImage);
+
+ var _this = possibleConstructorReturn(this, _ClickableComponent.call(this, player, options));
+
+ _this.update();
+ player.on('posterchange', bind(_this, _this.update));
+ return _this;
+ }
+
+ /**
+ * Clean up and dispose of the `PosterImage`.
+ */
+
+
+ PosterImage.prototype.dispose = function dispose() {
+ this.player().off('posterchange', this.update);
+ _ClickableComponent.prototype.dispose.call(this);
+ };
+
+ /**
+ * Create the `PosterImage`s DOM element.
+ *
+ * @return {Element}
+ * The element that gets created.
+ */
+
+
+ PosterImage.prototype.createEl = function createEl$$1() {
+ var el = createEl('div', {
+ className: 'vjs-poster',
+
+ // Don't want poster to be tabbable.
+ tabIndex: -1
+ });
+
+ // To ensure the poster image resizes while maintaining its original aspect
+ // ratio, use a div with `background-size` when available. For browsers that
+ // do not support `background-size` (e.g. IE8), fall back on using a regular
+ // img element.
+ if (!BACKGROUND_SIZE_SUPPORTED) {
+ this.fallbackImg_ = createEl('img');
+ el.appendChild(this.fallbackImg_);
+ }
+
+ return el;
+ };
+
+ /**
+ * An {@link EventTarget~EventListener} for {@link Player#posterchange} events.
+ *
+ * @listens Player#posterchange
+ *
+ * @param {EventTarget~Event} [event]
+ * The `Player#posterchange` event that triggered this function.
+ */
+
+
+ PosterImage.prototype.update = function update(event) {
+ var url = this.player().poster();
+
+ this.setSrc(url);
+
+ // If there's no poster source we should display:none on this component
+ // so it's not still clickable or right-clickable
+ if (url) {
+ this.show();
+ } else {
+ this.hide();
+ }
+ };
+
+ /**
+ * Set the source of the `PosterImage` depending on the display method.
+ *
+ * @param {string} url
+ * The URL to the source for the `PosterImage`.
+ */
+
+
+ PosterImage.prototype.setSrc = function setSrc(url) {
+ if (this.fallbackImg_) {
+ this.fallbackImg_.src = url;
+ } else {
+ var backgroundImage = '';
+
+ // Any falsey values should stay as an empty string, otherwise
+ // this will throw an extra error
+ if (url) {
+ backgroundImage = 'url("' + url + '")';
+ }
+
+ this.el_.style.backgroundImage = backgroundImage;
+ }
+ };
+
+ /**
+ * An {@link EventTarget~EventListener} for clicks on the `PosterImage`. See
+ * {@link ClickableComponent#handleClick} for instances where this will be triggered.
+ *
+ * @listens tap
+ * @listens click
+ * @listens keydown
+ *
+ * @param {EventTarget~Event} event
+ + The `click`, `tap` or `keydown` event that caused this function to be called.
+ */
+
+
+ PosterImage.prototype.handleClick = function handleClick(event) {
+ // We don't want a click to trigger playback when controls are disabled
+ if (!this.player_.controls()) {
+ return;
+ }
+
+ if (this.player_.paused()) {
+ this.player_.play();
+ } else {
+ this.player_.pause();
+ }
+ };
+
+ return PosterImage;
+}(ClickableComponent);
+
+Component.registerComponent('PosterImage', PosterImage);
+
+/**
+ * @file text-track-display.js
+ */
+var darkGray = '#222';
+var lightGray = '#ccc';
+var fontMap = {
+ monospace: 'monospace',
+ sansSerif: 'sans-serif',
+ serif: 'serif',
+ monospaceSansSerif: '"Andale Mono", "Lucida Console", monospace',
+ monospaceSerif: '"Courier New", monospace',
+ proportionalSansSerif: 'sans-serif',
+ proportionalSerif: 'serif',
+ casual: '"Comic Sans MS", Impact, fantasy',
+ script: '"Monotype Corsiva", cursive',
+ smallcaps: '"Andale Mono", "Lucida Console", monospace, sans-serif'
+};
+
+/**
+ * Construct an rgba color from a given hex color code.
+ *
+ * @param {number} color
+ * Hex number for color, like #f0e.
+ *
+ * @param {number} opacity
+ * Value for opacity, 0.0 - 1.0.
+ *
+ * @return {string}
+ * The rgba color that was created, like 'rgba(255, 0, 0, 0.3)'.
+ *
+ * @private
+ */
+function constructColor(color, opacity) {
+ return 'rgba(' +
+ // color looks like "#f0e"
+ parseInt(color[1] + color[1], 16) + ',' + parseInt(color[2] + color[2], 16) + ',' + parseInt(color[3] + color[3], 16) + ',' + opacity + ')';
+}
+
+/**
+ * Try to update the style of a DOM element. Some style changes will throw an error,
+ * particularly in IE8. Those should be noops.
+ *
+ * @param {Element} el
+ * The DOM element to be styled.
+ *
+ * @param {string} style
+ * The CSS property on the element that should be styled.
+ *
+ * @param {string} rule
+ * The style rule that should be applied to the property.
+ *
+ * @private
+ */
+function tryUpdateStyle(el, style, rule) {
+ try {
+ el.style[style] = rule;
+ } catch (e) {
+
+ // Satisfies linter.
+ return;
+ }
+}
+
+/**
+ * The component for displaying text track cues.
+ *
+ * @extends Component
+ */
+
+var TextTrackDisplay = function (_Component) {
+ inherits(TextTrackDisplay, _Component);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ *
+ * @param {Component~ReadyCallback} [ready]
+ * The function to call when `TextTrackDisplay` is ready.
+ */
+ function TextTrackDisplay(player, options, ready) {
+ classCallCheck(this, TextTrackDisplay);
+
+ var _this = possibleConstructorReturn(this, _Component.call(this, player, options, ready));
+
+ player.on('loadstart', bind(_this, _this.toggleDisplay));
+ player.on('texttrackchange', bind(_this, _this.updateDisplay));
+ player.on('loadstart', bind(_this, _this.preselectTrack));
+
+ // This used to be called during player init, but was causing an error
+ // if a track should show by default and the display hadn't loaded yet.
+ // Should probably be moved to an external track loader when we support
+ // tracks that don't need a display.
+ player.ready(bind(_this, function () {
+ if (player.tech_ && player.tech_.featuresNativeTextTracks) {
+ this.hide();
+ return;
+ }
+
+ player.on('fullscreenchange', bind(this, this.updateDisplay));
+
+ var tracks = this.options_.playerOptions.tracks || [];
+
+ for (var i = 0; i < tracks.length; i++) {
+ this.player_.addRemoteTextTrack(tracks[i], true);
+ }
+
+ this.preselectTrack();
+ }));
+ return _this;
+ }
+
+ /**
+ * Preselect a track following this precedence:
+ * - matches the previously selected {@link TextTrack}'s language and kind
+ * - matches the previously selected {@link TextTrack}'s language only
+ * - is the first default captions track
+ * - is the first default descriptions track
+ *
+ * @listens Player#loadstart
+ */
+
+
+ TextTrackDisplay.prototype.preselectTrack = function preselectTrack() {
+ var modes = { captions: 1, subtitles: 1 };
+ var trackList = this.player_.textTracks();
+ var userPref = this.player_.cache_.selectedLanguage;
+ var firstDesc = void 0;
+ var firstCaptions = void 0;
+ var preferredTrack = void 0;
+
+ for (var i = 0; i < trackList.length; i++) {
+ var track = trackList[i];
+
+ if (userPref && userPref.enabled && userPref.language === track.language) {
+ // Always choose the track that matches both language and kind
+ if (track.kind === userPref.kind) {
+ preferredTrack = track;
+ // or choose the first track that matches language
+ } else if (!preferredTrack) {
+ preferredTrack = track;
+ }
+
+ // clear everything if offTextTrackMenuItem was clicked
+ } else if (userPref && !userPref.enabled) {
+ preferredTrack = null;
+ firstDesc = null;
+ firstCaptions = null;
+ } else if (track['default']) {
+ if (track.kind === 'descriptions' && !firstDesc) {
+ firstDesc = track;
+ } else if (track.kind in modes && !firstCaptions) {
+ firstCaptions = track;
+ }
+ }
+ }
+
+ // The preferredTrack matches the user preference and takes
+ // precendence over all the other tracks.
+ // So, display the preferredTrack before the first default track
+ // and the subtitles/captions track before the descriptions track
+ if (preferredTrack) {
+ preferredTrack.mode = 'showing';
+ } else if (firstCaptions) {
+ firstCaptions.mode = 'showing';
+ } else if (firstDesc) {
+ firstDesc.mode = 'showing';
+ }
+ };
+
+ /**
+ * Turn display of {@link TextTrack}'s from the current state into the other state.
+ * There are only two states:
+ * - 'shown'
+ * - 'hidden'
+ *
+ * @listens Player#loadstart
+ */
+
+
+ TextTrackDisplay.prototype.toggleDisplay = function toggleDisplay() {
+ if (this.player_.tech_ && this.player_.tech_.featuresNativeTextTracks) {
+ this.hide();
+ } else {
+ this.show();
+ }
+ };
+
+ /**
+ * Create the {@link Component}'s DOM element.
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+
+
+ TextTrackDisplay.prototype.createEl = function createEl() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-text-track-display'
+ }, {
+ 'aria-live': 'off',
+ 'aria-atomic': 'true'
+ });
+ };
+
+ /**
+ * Clear all displayed {@link TextTrack}s.
+ */
+
+
+ TextTrackDisplay.prototype.clearDisplay = function clearDisplay() {
+ if (typeof window_1.WebVTT === 'function') {
+ window_1.WebVTT.processCues(window_1, [], this.el_);
+ }
+ };
+
+ /**
+ * Update the displayed TextTrack when a either a {@link Player#texttrackchange} or
+ * a {@link Player#fullscreenchange} is fired.
+ *
+ * @listens Player#texttrackchange
+ * @listens Player#fullscreenchange
+ */
+
+
+ TextTrackDisplay.prototype.updateDisplay = function updateDisplay() {
+ var tracks = this.player_.textTracks();
+
+ this.clearDisplay();
+
+ // Track display prioritization model: if multiple tracks are 'showing',
+ // display the first 'subtitles' or 'captions' track which is 'showing',
+ // otherwise display the first 'descriptions' track which is 'showing'
+
+ var descriptionsTrack = null;
+ var captionsSubtitlesTrack = null;
+ var i = tracks.length;
+
+ while (i--) {
+ var track = tracks[i];
+
+ if (track.mode === 'showing') {
+ if (track.kind === 'descriptions') {
+ descriptionsTrack = track;
+ } else {
+ captionsSubtitlesTrack = track;
+ }
+ }
+ }
+
+ if (captionsSubtitlesTrack) {
+ if (this.getAttribute('aria-live') !== 'off') {
+ this.setAttribute('aria-live', 'off');
+ }
+ this.updateForTrack(captionsSubtitlesTrack);
+ } else if (descriptionsTrack) {
+ if (this.getAttribute('aria-live') !== 'assertive') {
+ this.setAttribute('aria-live', 'assertive');
+ }
+ this.updateForTrack(descriptionsTrack);
+ }
+ };
+
+ /**
+ * Add an {@link Texttrack} to to the {@link Tech}s {@link TextTrackList}.
+ *
+ * @param {TextTrack} track
+ * Text track object to be added to the list.
+ */
+
+
+ TextTrackDisplay.prototype.updateForTrack = function updateForTrack(track) {
+ if (typeof window_1.WebVTT !== 'function' || !track.activeCues) {
+ return;
+ }
+
+ var cues = [];
+
+ for (var _i = 0; _i < track.activeCues.length; _i++) {
+ cues.push(track.activeCues[_i]);
+ }
+
+ window_1.WebVTT.processCues(window_1, cues, this.el_);
+
+ if (!this.player_.textTrackSettings) {
+ return;
+ }
+
+ var overrides = this.player_.textTrackSettings.getValues();
+
+ var i = cues.length;
+
+ while (i--) {
+ var cue = cues[i];
+
+ if (!cue) {
+ continue;
+ }
+
+ var cueDiv = cue.displayState;
+
+ if (overrides.color) {
+ cueDiv.firstChild.style.color = overrides.color;
+ }
+ if (overrides.textOpacity) {
+ tryUpdateStyle(cueDiv.firstChild, 'color', constructColor(overrides.color || '#fff', overrides.textOpacity));
+ }
+ if (overrides.backgroundColor) {
+ cueDiv.firstChild.style.backgroundColor = overrides.backgroundColor;
+ }
+ if (overrides.backgroundOpacity) {
+ tryUpdateStyle(cueDiv.firstChild, 'backgroundColor', constructColor(overrides.backgroundColor || '#000', overrides.backgroundOpacity));
+ }
+ if (overrides.windowColor) {
+ if (overrides.windowOpacity) {
+ tryUpdateStyle(cueDiv, 'backgroundColor', constructColor(overrides.windowColor, overrides.windowOpacity));
+ } else {
+ cueDiv.style.backgroundColor = overrides.windowColor;
+ }
+ }
+ if (overrides.edgeStyle) {
+ if (overrides.edgeStyle === 'dropshadow') {
+ cueDiv.firstChild.style.textShadow = '2px 2px 3px ' + darkGray + ', 2px 2px 4px ' + darkGray + ', 2px 2px 5px ' + darkGray;
+ } else if (overrides.edgeStyle === 'raised') {
+ cueDiv.firstChild.style.textShadow = '1px 1px ' + darkGray + ', 2px 2px ' + darkGray + ', 3px 3px ' + darkGray;
+ } else if (overrides.edgeStyle === 'depressed') {
+ cueDiv.firstChild.style.textShadow = '1px 1px ' + lightGray + ', 0 1px ' + lightGray + ', -1px -1px ' + darkGray + ', 0 -1px ' + darkGray;
+ } else if (overrides.edgeStyle === 'uniform') {
+ cueDiv.firstChild.style.textShadow = '0 0 4px ' + darkGray + ', 0 0 4px ' + darkGray + ', 0 0 4px ' + darkGray + ', 0 0 4px ' + darkGray;
+ }
+ }
+ if (overrides.fontPercent && overrides.fontPercent !== 1) {
+ var fontSize = window_1.parseFloat(cueDiv.style.fontSize);
+
+ cueDiv.style.fontSize = fontSize * overrides.fontPercent + 'px';
+ cueDiv.style.height = 'auto';
+ cueDiv.style.top = 'auto';
+ cueDiv.style.bottom = '2px';
+ }
+ if (overrides.fontFamily && overrides.fontFamily !== 'default') {
+ if (overrides.fontFamily === 'small-caps') {
+ cueDiv.firstChild.style.fontVariant = 'small-caps';
+ } else {
+ cueDiv.firstChild.style.fontFamily = fontMap[overrides.fontFamily];
+ }
+ }
+ }
+ };
+
+ return TextTrackDisplay;
+}(Component);
+
+Component.registerComponent('TextTrackDisplay', TextTrackDisplay);
+
+/**
+ * @file loading-spinner.js
+ */
+/**
+ * A loading spinner for use during waiting/loading events.
+ *
+ * @extends Component
+ */
+
+var LoadingSpinner = function (_Component) {
+ inherits(LoadingSpinner, _Component);
+
+ function LoadingSpinner() {
+ classCallCheck(this, LoadingSpinner);
+ return possibleConstructorReturn(this, _Component.apply(this, arguments));
+ }
+
+ /**
+ * Create the `LoadingSpinner`s DOM element.
+ *
+ * @return {Element}
+ * The dom element that gets created.
+ */
+ LoadingSpinner.prototype.createEl = function createEl$$1() {
+ var isAudio = this.player_.isAudio();
+ var playerType = this.localize(isAudio ? 'Audio Player' : 'Video Player');
+ var controlText = createEl('span', {
+ className: 'vjs-control-text',
+ innerHTML: this.localize('{1} is loading.', [playerType])
+ });
+
+ var el = _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-loading-spinner',
+ dir: 'ltr'
+ });
+
+ el.appendChild(controlText);
+
+ return el;
+ };
+
+ return LoadingSpinner;
+}(Component);
+
+Component.registerComponent('LoadingSpinner', LoadingSpinner);
+
+/**
+ * @file button.js
+ */
+/**
+ * Base class for all buttons.
+ *
+ * @extends ClickableComponent
+ */
+
+var Button = function (_ClickableComponent) {
+ inherits(Button, _ClickableComponent);
+
+ function Button() {
+ classCallCheck(this, Button);
+ return possibleConstructorReturn(this, _ClickableComponent.apply(this, arguments));
+ }
+
+ /**
+ * Create the `Button`s DOM element.
+ *
+ * @param {string} [tag="button"]
+ * The element's node type. This argument is IGNORED: no matter what
+ * is passed, it will always create a `button` element.
+ *
+ * @param {Object} [props={}]
+ * An object of properties that should be set on the element.
+ *
+ * @param {Object} [attributes={}]
+ * An object of attributes that should be set on the element.
+ *
+ * @return {Element}
+ * The element that gets created.
+ */
+ Button.prototype.createEl = function createEl(tag) {
+ var props = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ var attributes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+
+ tag = 'button';
+
+ props = assign({
+ innerHTML: '<span aria-hidden="true" class="vjs-icon-placeholder"></span>',
+ className: this.buildCSSClass()
+ }, props);
+
+ // Add attributes for button element
+ attributes = assign({
+
+ // Necessary since the default button type is "submit"
+ 'type': 'button',
+
+ // let the screen reader user know that the text of the button may change
+ 'aria-live': 'polite'
+ }, attributes);
+
+ var el = Component.prototype.createEl.call(this, tag, props, attributes);
+
+ this.createControlTextEl(el);
+
+ return el;
+ };
+
+ /**
+ * Add a child `Component` inside of this `Button`.
+ *
+ * @param {string|Component} child
+ * The name or instance of a child to add.
+ *
+ * @param {Object} [options={}]
+ * The key/value store of options that will get passed to children of
+ * the child.
+ *
+ * @return {Component}
+ * The `Component` that gets added as a child. When using a string the
+ * `Component` will get created by this process.
+ *
+ * @deprecated since version 5
+ */
+
+
+ Button.prototype.addChild = function addChild(child) {
+ var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+
+ var className = this.constructor.name;
+
+ log$1.warn('Adding an actionable (user controllable) child to a Button (' + className + ') is not supported; use a ClickableComponent instead.');
+
+ // Avoid the error message generated by ClickableComponent's addChild method
+ return Component.prototype.addChild.call(this, child, options);
+ };
+
+ /**
+ * Enable the `Button` element so that it can be activated or clicked. Use this with
+ * {@link Button#disable}.
+ */
+
+
+ Button.prototype.enable = function enable() {
+ _ClickableComponent.prototype.enable.call(this);
+ this.el_.removeAttribute('disabled');
+ };
+
+ /**
+ * Disable the `Button` element so that it cannot be activated or clicked. Use this with
+ * {@link Button#enable}.
+ */
+
+
+ Button.prototype.disable = function disable() {
+ _ClickableComponent.prototype.disable.call(this);
+ this.el_.setAttribute('disabled', 'disabled');
+ };
+
+ /**
+ * This gets called when a `Button` has focus and `keydown` is triggered via a key
+ * press.
+ *
+ * @param {EventTarget~Event} event
+ * The event that caused this function to get called.
+ *
+ * @listens keydown
+ */
+
+
+ Button.prototype.handleKeyPress = function handleKeyPress(event) {
+
+ // Ignore Space (32) or Enter (13) key operation, which is handled by the browser for a button.
+ if (event.which === 32 || event.which === 13) {
+ return;
+ }
+
+ // Pass keypress handling up for unsupported keys
+ _ClickableComponent.prototype.handleKeyPress.call(this, event);
+ };
+
+ return Button;
+}(ClickableComponent);
+
+Component.registerComponent('Button', Button);
+
+/**
+ * @file big-play-button.js
+ */
+/**
+ * The initial play button that shows before the video has played. The hiding of the
+ * `BigPlayButton` get done via CSS and `Player` states.
+ *
+ * @extends Button
+ */
+
+var BigPlayButton = function (_Button) {
+ inherits(BigPlayButton, _Button);
+
+ function BigPlayButton(player, options) {
+ classCallCheck(this, BigPlayButton);
+
+ var _this = possibleConstructorReturn(this, _Button.call(this, player, options));
+
+ _this.mouseused_ = false;
+
+ _this.on('mousedown', _this.handleMouseDown);
+ return _this;
+ }
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object. Always returns 'vjs-big-play-button'.
+ */
+
+
+ BigPlayButton.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-big-play-button';
+ };
+
+ /**
+ * This gets called when a `BigPlayButton` "clicked". See {@link ClickableComponent}
+ * for more detailed information on what a click can be.
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
+
+
+ BigPlayButton.prototype.handleClick = function handleClick(event) {
+ var playPromise = this.player_.play();
+
+ // exit early if clicked via the mouse
+ if (this.mouseused_ && event.clientX && event.clientY) {
+ return;
+ }
+
+ var cb = this.player_.getChild('controlBar');
+ var playToggle = cb && cb.getChild('playToggle');
+
+ if (!playToggle) {
+ this.player_.focus();
+ return;
+ }
+
+ var playFocus = function playFocus() {
+ return playToggle.focus();
+ };
+
+ if (isPromise(playPromise)) {
+ playPromise.then(playFocus, function () {});
+ } else {
+ this.setTimeout(playFocus, 1);
+ }
+ };
+
+ BigPlayButton.prototype.handleKeyPress = function handleKeyPress(event) {
+ this.mouseused_ = false;
+
+ _Button.prototype.handleKeyPress.call(this, event);
+ };
+
+ BigPlayButton.prototype.handleMouseDown = function handleMouseDown(event) {
+ this.mouseused_ = true;
+ };
+
+ return BigPlayButton;
+}(Button);
+
+/**
+ * The text that should display over the `BigPlayButton`s controls. Added to for localization.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+BigPlayButton.prototype.controlText_ = 'Play Video';
+
+Component.registerComponent('BigPlayButton', BigPlayButton);
+
+/**
+ * @file close-button.js
+ */
+/**
+ * The `CloseButton` is a `{@link Button}` that fires a `close` event when
+ * it gets clicked.
+ *
+ * @extends Button
+ */
+
+var CloseButton = function (_Button) {
+ inherits(CloseButton, _Button);
+
+ /**
+ * Creates an instance of the this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function CloseButton(player, options) {
+ classCallCheck(this, CloseButton);
+
+ var _this = possibleConstructorReturn(this, _Button.call(this, player, options));
+
+ _this.controlText(options && options.controlText || _this.localize('Close'));
+ return _this;
+ }
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ CloseButton.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-close-button ' + _Button.prototype.buildCSSClass.call(this);
+ };
+
+ /**
+ * This gets called when a `CloseButton` gets clicked. See
+ * {@link ClickableComponent#handleClick} for more information on when this will be
+ * triggered
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ * @fires CloseButton#close
+ */
+
+
+ CloseButton.prototype.handleClick = function handleClick(event) {
+
+ /**
+ * Triggered when the a `CloseButton` is clicked.
+ *
+ * @event CloseButton#close
+ * @type {EventTarget~Event}
+ *
+ * @property {boolean} [bubbles=false]
+ * set to false so that the close event does not
+ * bubble up to parents if there is no listener
+ */
+ this.trigger({ type: 'close', bubbles: false });
+ };
+
+ return CloseButton;
+}(Button);
+
+Component.registerComponent('CloseButton', CloseButton);
+
+/**
+ * @file play-toggle.js
+ */
+/**
+ * Button to toggle between play and pause.
+ *
+ * @extends Button
+ */
+
+var PlayToggle = function (_Button) {
+ inherits(PlayToggle, _Button);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function PlayToggle(player, options) {
+ classCallCheck(this, PlayToggle);
+
+ var _this = possibleConstructorReturn(this, _Button.call(this, player, options));
+
+ _this.on(player, 'play', _this.handlePlay);
+ _this.on(player, 'pause', _this.handlePause);
+ _this.on(player, 'ended', _this.handleEnded);
+ return _this;
+ }
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ PlayToggle.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-play-control ' + _Button.prototype.buildCSSClass.call(this);
+ };
+
+ /**
+ * This gets called when an `PlayToggle` is "clicked". See
+ * {@link ClickableComponent} for more detailed information on what a click can be.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
+
+
+ PlayToggle.prototype.handleClick = function handleClick(event) {
+ if (this.player_.paused()) {
+ this.player_.play();
+ } else {
+ this.player_.pause();
+ }
+ };
+
+ /**
+ * This gets called once after the video has ended and the user seeks so that
+ * we can change the replay button back to a play button.
+ *
+ * @param {EventTarget~Event} [event]
+ * The event that caused this function to run.
+ *
+ * @listens Player#seeked
+ */
+
+
+ PlayToggle.prototype.handleSeeked = function handleSeeked(event) {
+ this.removeClass('vjs-ended');
+
+ if (this.player_.paused()) {
+ this.handlePause(event);
+ } else {
+ this.handlePlay(event);
+ }
+ };
+
+ /**
+ * Add the vjs-playing class to the element so it can change appearance.
+ *
+ * @param {EventTarget~Event} [event]
+ * The event that caused this function to run.
+ *
+ * @listens Player#play
+ */
+
+
+ PlayToggle.prototype.handlePlay = function handlePlay(event) {
+ this.removeClass('vjs-ended');
+ this.removeClass('vjs-paused');
+ this.addClass('vjs-playing');
+ // change the button text to "Pause"
+ this.controlText('Pause');
+ };
+
+ /**
+ * Add the vjs-paused class to the element so it can change appearance.
+ *
+ * @param {EventTarget~Event} [event]
+ * The event that caused this function to run.
+ *
+ * @listens Player#pause
+ */
+
+
+ PlayToggle.prototype.handlePause = function handlePause(event) {
+ this.removeClass('vjs-playing');
+ this.addClass('vjs-paused');
+ // change the button text to "Play"
+ this.controlText('Play');
+ };
+
+ /**
+ * Add the vjs-ended class to the element so it can change appearance
+ *
+ * @param {EventTarget~Event} [event]
+ * The event that caused this function to run.
+ *
+ * @listens Player#ended
+ */
+
+
+ PlayToggle.prototype.handleEnded = function handleEnded(event) {
+ this.removeClass('vjs-playing');
+ this.addClass('vjs-ended');
+ // change the button text to "Replay"
+ this.controlText('Replay');
+
+ // on the next seek remove the replay button
+ this.one(this.player_, 'seeked', this.handleSeeked);
+ };
+
+ return PlayToggle;
+}(Button);
+
+/**
+ * The text that should display over the `PlayToggle`s controls. Added for localization.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+PlayToggle.prototype.controlText_ = 'Play';
+
+Component.registerComponent('PlayToggle', PlayToggle);
+
+/**
+ * @file format-time.js
+ * @module Format-time
+ */
+
+/**
+ * Format seconds as a time string, H:MM:SS or M:SS. Supplying a guide (in seconds)
+ * will force a number of leading zeros to cover the length of the guide.
+ *
+ * @param {number} seconds
+ * Number of seconds to be turned into a string
+ *
+ * @param {number} guide
+ * Number (in seconds) to model the string after
+ *
+ * @return {string}
+ * Time formatted as H:MM:SS or M:SS
+ */
+function formatTime(seconds) {
+ var guide = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : seconds;
+
+ seconds = seconds < 0 ? 0 : seconds;
+ var s = Math.floor(seconds % 60);
+ var m = Math.floor(seconds / 60 % 60);
+ var h = Math.floor(seconds / 3600);
+ var gm = Math.floor(guide / 60 % 60);
+ var gh = Math.floor(guide / 3600);
+
+ // handle invalid times
+ if (isNaN(seconds) || seconds === Infinity) {
+ // '-' is false for all relational operators (e.g. <, >=) so this setting
+ // will add the minimum number of fields specified by the guide
+ h = m = s = '-';
+ }
+
+ // Check if we need to show hours
+ h = h > 0 || gh > 0 ? h + ':' : '';
+
+ // If hours are showing, we may need to add a leading zero.
+ // Always show at least one digit of minutes.
+ m = ((h || gm >= 10) && m < 10 ? '0' + m : m) + ':';
+
+ // Check if leading zero is need for seconds
+ s = s < 10 ? '0' + s : s;
+
+ return h + m + s;
+}
+
+/**
+ * @file time-display.js
+ */
+/**
+ * Displays the time left in the video
+ *
+ * @extends Component
+ */
+
+var TimeDisplay = function (_Component) {
+ inherits(TimeDisplay, _Component);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function TimeDisplay(player, options) {
+ classCallCheck(this, TimeDisplay);
+
+ var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+ _this.throttledUpdateContent = throttle(bind(_this, _this.updateContent), 25);
+ _this.on(player, 'timeupdate', _this.throttledUpdateContent);
+ return _this;
+ }
+
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+
+
+ TimeDisplay.prototype.createEl = function createEl$$1(plainName) {
+ var className = this.buildCSSClass();
+ var el = _Component.prototype.createEl.call(this, 'div', {
+ className: className + ' vjs-time-control vjs-control'
+ });
+
+ this.contentEl_ = createEl('div', {
+ className: className + '-display'
+ }, {
+ // tell screen readers not to automatically read the time as it changes
+ 'aria-live': 'off'
+ }, createEl('span', {
+ className: 'vjs-control-text',
+ textContent: this.localize(this.controlText_)
+ }));
+
+ this.updateTextNode_();
+ el.appendChild(this.contentEl_);
+ return el;
+ };
+
+ TimeDisplay.prototype.dispose = function dispose() {
+ this.contentEl_ = null;
+ this.textNode_ = null;
+
+ _Component.prototype.dispose.call(this);
+ };
+
+ /**
+ * Updates the "remaining time" text node with new content using the
+ * contents of the `formattedTime_` property.
+ *
+ * @private
+ */
+
+
+ TimeDisplay.prototype.updateTextNode_ = function updateTextNode_() {
+ if (!this.contentEl_) {
+ return;
+ }
+
+ while (this.contentEl_.firstChild) {
+ this.contentEl_.removeChild(this.contentEl_.firstChild);
+ }
+
+ this.textNode_ = document_1.createTextNode(this.formattedTime_ || '0:00');
+ this.contentEl_.appendChild(this.textNode_);
+ };
+
+ /**
+ * Generates a formatted time for this component to use in display.
+ *
+ * @param {number} time
+ * A numeric time, in seconds.
+ *
+ * @return {string}
+ * A formatted time
+ *
+ * @private
+ */
+
+
+ TimeDisplay.prototype.formatTime_ = function formatTime_(time) {
+ return formatTime(time);
+ };
+
+ /**
+ * Updates the time display text node if it has what was passed in changed
+ * the formatted time.
+ *
+ * @param {number} time
+ * The time to update to
+ *
+ * @private
+ */
+
+
+ TimeDisplay.prototype.updateFormattedTime_ = function updateFormattedTime_(time) {
+ var formattedTime = this.formatTime_(time);
+
+ if (formattedTime === this.formattedTime_) {
+ return;
+ }
+
+ this.formattedTime_ = formattedTime;
+ this.requestAnimationFrame(this.updateTextNode_);
+ };
+
+ /**
+ * To be filled out in the child class, should update the displayed time
+ * in accordance with the fact that the current time has changed.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `timeupdate` event that caused this to run.
+ *
+ * @listens Player#timeupdate
+ */
+
+
+ TimeDisplay.prototype.updateContent = function updateContent(event) {};
+
+ return TimeDisplay;
+}(Component);
+
+/**
+ * The text that should display over the `TimeDisplay`s controls. Added to for localization.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+TimeDisplay.prototype.controlText_ = 'Time';
+
+Component.registerComponent('TimeDisplay', TimeDisplay);
+
+/**
+ * @file current-time-display.js
+ */
+/**
+ * Displays the current time
+ *
+ * @extends Component
+ */
+
+var CurrentTimeDisplay = function (_TimeDisplay) {
+ inherits(CurrentTimeDisplay, _TimeDisplay);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function CurrentTimeDisplay(player, options) {
+ classCallCheck(this, CurrentTimeDisplay);
+
+ var _this = possibleConstructorReturn(this, _TimeDisplay.call(this, player, options));
+
+ _this.on(player, 'ended', _this.handleEnded);
+ return _this;
+ }
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ CurrentTimeDisplay.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-current-time';
+ };
+
+ /**
+ * Update current time display
+ *
+ * @param {EventTarget~Event} [event]
+ * The `timeupdate` event that caused this function to run.
+ *
+ * @listens Player#timeupdate
+ */
+
+
+ CurrentTimeDisplay.prototype.updateContent = function updateContent(event) {
+ // Allows for smooth scrubbing, when player can't keep up.
+ var time = this.player_.scrubbing() ? this.player_.getCache().currentTime : this.player_.currentTime();
+
+ this.updateFormattedTime_(time);
+ };
+
+ /**
+ * When the player fires ended there should be no time left. Sadly
+ * this is not always the case, lets make it seem like that is the case
+ * for users.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `ended` event that caused this to run.
+ *
+ * @listens Player#ended
+ */
+
+
+ CurrentTimeDisplay.prototype.handleEnded = function handleEnded(event) {
+ if (!this.player_.duration()) {
+ return;
+ }
+ this.updateFormattedTime_(this.player_.duration());
+ };
+
+ return CurrentTimeDisplay;
+}(TimeDisplay);
+
+/**
+ * The text that should display over the `CurrentTimeDisplay`s controls. Added to for localization.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+CurrentTimeDisplay.prototype.controlText_ = 'Current Time';
+
+Component.registerComponent('CurrentTimeDisplay', CurrentTimeDisplay);
+
+/**
+ * @file duration-display.js
+ */
+/**
+ * Displays the duration
+ *
+ * @extends Component
+ */
+
+var DurationDisplay = function (_TimeDisplay) {
+ inherits(DurationDisplay, _TimeDisplay);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function DurationDisplay(player, options) {
+ classCallCheck(this, DurationDisplay);
+
+ // we do not want to/need to throttle duration changes,
+ // as they should always display the changed duration as
+ // it has changed
+ var _this = possibleConstructorReturn(this, _TimeDisplay.call(this, player, options));
+
+ _this.on(player, 'durationchange', _this.updateContent);
+
+ // Also listen for timeupdate (in the parent) and loadedmetadata because removing those
+ // listeners could have broken dependent applications/libraries. These
+ // can likely be removed for 7.0.
+ _this.on(player, 'loadedmetadata', _this.throttledUpdateContent);
+ return _this;
+ }
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ DurationDisplay.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-duration';
+ };
+
+ /**
+ * Update duration time display.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `durationchange`, `timeupdate`, or `loadedmetadata` event that caused
+ * this function to be called.
+ *
+ * @listens Player#durationchange
+ * @listens Player#timeupdate
+ * @listens Player#loadedmetadata
+ */
+
+
+ DurationDisplay.prototype.updateContent = function updateContent(event) {
+ var duration = this.player_.duration();
+
+ if (duration && this.duration_ !== duration) {
+ this.duration_ = duration;
+ this.updateFormattedTime_(duration);
+ }
+ };
+
+ return DurationDisplay;
+}(TimeDisplay);
+
+/**
+ * The text that should display over the `DurationDisplay`s controls. Added to for localization.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+DurationDisplay.prototype.controlText_ = 'Duration Time';
+
+Component.registerComponent('DurationDisplay', DurationDisplay);
+
+/**
+ * @file time-divider.js
+ */
+/**
+ * The separator between the current time and duration.
+ * Can be hidden if it's not needed in the design.
+ *
+ * @extends Component
+ */
+
+var TimeDivider = function (_Component) {
+ inherits(TimeDivider, _Component);
+
+ function TimeDivider() {
+ classCallCheck(this, TimeDivider);
+ return possibleConstructorReturn(this, _Component.apply(this, arguments));
+ }
+
+ /**
+ * Create the component's DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+ TimeDivider.prototype.createEl = function createEl() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-time-control vjs-time-divider',
+ innerHTML: '<div><span>/</span></div>'
+ });
+ };
+
+ return TimeDivider;
+}(Component);
+
+Component.registerComponent('TimeDivider', TimeDivider);
+
+/**
+ * @file remaining-time-display.js
+ */
+/**
+ * Displays the time left in the video
+ *
+ * @extends Component
+ */
+
+var RemainingTimeDisplay = function (_TimeDisplay) {
+ inherits(RemainingTimeDisplay, _TimeDisplay);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function RemainingTimeDisplay(player, options) {
+ classCallCheck(this, RemainingTimeDisplay);
+
+ var _this = possibleConstructorReturn(this, _TimeDisplay.call(this, player, options));
+
+ _this.on(player, 'durationchange', _this.throttledUpdateContent);
+ _this.on(player, 'ended', _this.handleEnded);
+ return _this;
+ }
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ RemainingTimeDisplay.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-remaining-time';
+ };
+
+ /**
+ * The remaining time display prefixes numbers with a "minus" character.
+ *
+ * @param {number} time
+ * A numeric time, in seconds.
+ *
+ * @return {string}
+ * A formatted time
+ *
+ * @private
+ */
+
+
+ RemainingTimeDisplay.prototype.formatTime_ = function formatTime_(time) {
+ return '-' + _TimeDisplay.prototype.formatTime_.call(this, time);
+ };
+
+ /**
+ * Update remaining time display.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `timeupdate` or `durationchange` event that caused this to run.
+ *
+ * @listens Player#timeupdate
+ * @listens Player#durationchange
+ */
+
+
+ RemainingTimeDisplay.prototype.updateContent = function updateContent(event) {
+ if (!this.player_.duration()) {
+ return;
+ }
+
+ // @deprecated We should only use remainingTimeDisplay
+ // as of video.js 7
+ if (this.player_.remainingTimeDisplay) {
+ this.updateFormattedTime_(this.player_.remainingTimeDisplay());
+ } else {
+ this.updateFormattedTime_(this.player_.remainingTime());
+ }
+ };
+
+ /**
+ * When the player fires ended there should be no time left. Sadly
+ * this is not always the case, lets make it seem like that is the case
+ * for users.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `ended` event that caused this to run.
+ *
+ * @listens Player#ended
+ */
+
+
+ RemainingTimeDisplay.prototype.handleEnded = function handleEnded(event) {
+ if (!this.player_.duration()) {
+ return;
+ }
+ this.updateFormattedTime_(0);
+ };
+
+ return RemainingTimeDisplay;
+}(TimeDisplay);
+
+/**
+ * The text that should display over the `RemainingTimeDisplay`s controls. Added to for localization.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+RemainingTimeDisplay.prototype.controlText_ = 'Remaining Time';
+
+Component.registerComponent('RemainingTimeDisplay', RemainingTimeDisplay);
+
+/**
+ * @file live-display.js
+ */
+// TODO - Future make it click to snap to live
+
+/**
+ * Displays the live indicator when duration is Infinity.
+ *
+ * @extends Component
+ */
+
+var LiveDisplay = function (_Component) {
+ inherits(LiveDisplay, _Component);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function LiveDisplay(player, options) {
+ classCallCheck(this, LiveDisplay);
+
+ var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+ _this.updateShowing();
+ _this.on(_this.player(), 'durationchange', _this.updateShowing);
+ return _this;
+ }
+
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+
+
+ LiveDisplay.prototype.createEl = function createEl$$1() {
+ var el = _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-live-control vjs-control'
+ });
+
+ this.contentEl_ = createEl('div', {
+ className: 'vjs-live-display',
+ innerHTML: '<span class="vjs-control-text">' + this.localize('Stream Type') + '</span>' + this.localize('LIVE')
+ }, {
+ 'aria-live': 'off'
+ });
+
+ el.appendChild(this.contentEl_);
+ return el;
+ };
+
+ LiveDisplay.prototype.dispose = function dispose() {
+ this.contentEl_ = null;
+
+ _Component.prototype.dispose.call(this);
+ };
+
+ /**
+ * Check the duration to see if the LiveDisplay should be showing or not. Then show/hide
+ * it accordingly
+ *
+ * @param {EventTarget~Event} [event]
+ * The {@link Player#durationchange} event that caused this function to run.
+ *
+ * @listens Player#durationchange
+ */
+
+
+ LiveDisplay.prototype.updateShowing = function updateShowing(event) {
+ if (this.player().duration() === Infinity) {
+ this.show();
+ } else {
+ this.hide();
+ }
+ };
+
+ return LiveDisplay;
+}(Component);
+
+Component.registerComponent('LiveDisplay', LiveDisplay);
+
+/**
+ * @file slider.js
+ */
+/**
+ * The base functionality for a slider. Can be vertical or horizontal.
+ * For instance the volume bar or the seek bar on a video is a slider.
+ *
+ * @extends Component
+ */
+
+var Slider = function (_Component) {
+ inherits(Slider, _Component);
+
+ /**
+ * Create an instance of this class
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function Slider(player, options) {
+ classCallCheck(this, Slider);
+
+ // Set property names to bar to match with the child Slider class is looking for
+ var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+ _this.bar = _this.getChild(_this.options_.barName);
+
+ // Set a horizontal or vertical class on the slider depending on the slider type
+ _this.vertical(!!_this.options_.vertical);
+
+ _this.enable();
+ return _this;
+ }
+
+ /**
+ * Are controls are currently enabled for this slider or not.
+ *
+ * @return {boolean}
+ * true if controls are enabled, false otherwise
+ */
+
+
+ Slider.prototype.enabled = function enabled() {
+ return this.enabled_;
+ };
+
+ /**
+ * Enable controls for this slider if they are disabled
+ */
+
+
+ Slider.prototype.enable = function enable() {
+ if (this.enabled()) {
+ return;
+ }
+
+ this.on('mousedown', this.handleMouseDown);
+ this.on('touchstart', this.handleMouseDown);
+ this.on('focus', this.handleFocus);
+ this.on('blur', this.handleBlur);
+ this.on('click', this.handleClick);
+
+ this.on(this.player_, 'controlsvisible', this.update);
+
+ if (this.playerEvent) {
+ this.on(this.player_, this.playerEvent, this.update);
+ }
+
+ this.removeClass('disabled');
+ this.setAttribute('tabindex', 0);
+
+ this.enabled_ = true;
+ };
+
+ /**
+ * Disable controls for this slider if they are enabled
+ */
+
+
+ Slider.prototype.disable = function disable() {
+ if (!this.enabled()) {
+ return;
+ }
+ var doc = this.bar.el_.ownerDocument;
+
+ this.off('mousedown', this.handleMouseDown);
+ this.off('touchstart', this.handleMouseDown);
+ this.off('focus', this.handleFocus);
+ this.off('blur', this.handleBlur);
+ this.off('click', this.handleClick);
+ this.off(this.player_, 'controlsvisible', this.update);
+ this.off(doc, 'mousemove', this.handleMouseMove);
+ this.off(doc, 'mouseup', this.handleMouseUp);
+ this.off(doc, 'touchmove', this.handleMouseMove);
+ this.off(doc, 'touchend', this.handleMouseUp);
+ this.removeAttribute('tabindex');
+
+ this.addClass('disabled');
+
+ if (this.playerEvent) {
+ this.off(this.player_, this.playerEvent, this.update);
+ }
+ this.enabled_ = false;
+ };
+
+ /**
+ * Create the `Button`s DOM element.
+ *
+ * @param {string} type
+ * Type of element to create.
+ *
+ * @param {Object} [props={}]
+ * List of properties in Object form.
+ *
+ * @param {Object} [attributes={}]
+ * list of attributes in Object form.
+ *
+ * @return {Element}
+ * The element that gets created.
+ */
+
+
+ Slider.prototype.createEl = function createEl$$1(type) {
+ var props = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ var attributes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+
+ // Add the slider element class to all sub classes
+ props.className = props.className + ' vjs-slider';
+ props = assign({
+ tabIndex: 0
+ }, props);
+
+ attributes = assign({
+ 'role': 'slider',
+ 'aria-valuenow': 0,
+ 'aria-valuemin': 0,
+ 'aria-valuemax': 100,
+ 'tabIndex': 0
+ }, attributes);
+
+ return _Component.prototype.createEl.call(this, type, props, attributes);
+ };
+
+ /**
+ * Handle `mousedown` or `touchstart` events on the `Slider`.
+ *
+ * @param {EventTarget~Event} event
+ * `mousedown` or `touchstart` event that triggered this function
+ *
+ * @listens mousedown
+ * @listens touchstart
+ * @fires Slider#slideractive
+ */
+
+
+ Slider.prototype.handleMouseDown = function handleMouseDown(event) {
+ var doc = this.bar.el_.ownerDocument;
+
+ event.preventDefault();
+ blockTextSelection();
+
+ this.addClass('vjs-sliding');
+ /**
+ * Triggered when the slider is in an active state
+ *
+ * @event Slider#slideractive
+ * @type {EventTarget~Event}
+ */
+ this.trigger('slideractive');
+
+ this.on(doc, 'mousemove', this.handleMouseMove);
+ this.on(doc, 'mouseup', this.handleMouseUp);
+ this.on(doc, 'touchmove', this.handleMouseMove);
+ this.on(doc, 'touchend', this.handleMouseUp);
+
+ this.handleMouseMove(event);
+ };
+
+ /**
+ * Handle the `mousemove`, `touchmove`, and `mousedown` events on this `Slider`.
+ * The `mousemove` and `touchmove` events will only only trigger this function during
+ * `mousedown` and `touchstart`. This is due to {@link Slider#handleMouseDown} and
+ * {@link Slider#handleMouseUp}.
+ *
+ * @param {EventTarget~Event} event
+ * `mousedown`, `mousemove`, `touchstart`, or `touchmove` event that triggered
+ * this function
+ *
+ * @listens mousemove
+ * @listens touchmove
+ */
+
+
+ Slider.prototype.handleMouseMove = function handleMouseMove(event) {};
+
+ /**
+ * Handle `mouseup` or `touchend` events on the `Slider`.
+ *
+ * @param {EventTarget~Event} event
+ * `mouseup` or `touchend` event that triggered this function.
+ *
+ * @listens touchend
+ * @listens mouseup
+ * @fires Slider#sliderinactive
+ */
+
+
+ Slider.prototype.handleMouseUp = function handleMouseUp() {
+ var doc = this.bar.el_.ownerDocument;
+
+ unblockTextSelection();
+
+ this.removeClass('vjs-sliding');
+ /**
+ * Triggered when the slider is no longer in an active state.
+ *
+ * @event Slider#sliderinactive
+ * @type {EventTarget~Event}
+ */
+ this.trigger('sliderinactive');
+
+ this.off(doc, 'mousemove', this.handleMouseMove);
+ this.off(doc, 'mouseup', this.handleMouseUp);
+ this.off(doc, 'touchmove', this.handleMouseMove);
+ this.off(doc, 'touchend', this.handleMouseUp);
+
+ this.update();
+ };
+
+ /**
+ * Update the progress bar of the `Slider`.
+ *
+ * @returns {number}
+ * The percentage of progress the progress bar represents as a
+ * number from 0 to 1.
+ */
+
+
+ Slider.prototype.update = function update() {
+
+ // In VolumeBar init we have a setTimeout for update that pops and update
+ // to the end of the execution stack. The player is destroyed before then
+ // update will cause an error
+ if (!this.el_) {
+ return;
+ }
+
+ // If scrubbing, we could use a cached value to make the handle keep up
+ // with the user's mouse. On HTML5 browsers scrubbing is really smooth, but
+ // some flash players are slow, so we might want to utilize this later.
+ // var progress = (this.player_.scrubbing()) ? this.player_.getCache().currentTime / this.player_.duration() : this.player_.currentTime() / this.player_.duration();
+ var progress = this.getPercent();
+ var bar = this.bar;
+
+ // If there's no bar...
+ if (!bar) {
+ return;
+ }
+
+ // Protect against no duration and other division issues
+ if (typeof progress !== 'number' || progress !== progress || progress < 0 || progress === Infinity) {
+ progress = 0;
+ }
+
+ // Convert to a percentage for setting
+ var percentage = (progress * 100).toFixed(2) + '%';
+ var style = bar.el().style;
+
+ // Set the new bar width or height
+ if (this.vertical()) {
+ style.height = percentage;
+ } else {
+ style.width = percentage;
+ }
+
+ return progress;
+ };
+
+ /**
+ * Calculate distance for slider
+ *
+ * @param {EventTarget~Event} event
+ * The event that caused this function to run.
+ *
+ * @return {number}
+ * The current position of the Slider.
+ * - postition.x for vertical `Slider`s
+ * - postition.y for horizontal `Slider`s
+ */
+
+
+ Slider.prototype.calculateDistance = function calculateDistance(event) {
+ var position = getPointerPosition(this.el_, event);
+
+ if (this.vertical()) {
+ return position.y;
+ }
+ return position.x;
+ };
+
+ /**
+ * Handle a `focus` event on this `Slider`.
+ *
+ * @param {EventTarget~Event} event
+ * The `focus` event that caused this function to run.
+ *
+ * @listens focus
+ */
+
+
+ Slider.prototype.handleFocus = function handleFocus() {
+ this.on(this.bar.el_.ownerDocument, 'keydown', this.handleKeyPress);
+ };
+
+ /**
+ * Handle a `keydown` event on the `Slider`. Watches for left, rigth, up, and down
+ * arrow keys. This function will only be called when the slider has focus. See
+ * {@link Slider#handleFocus} and {@link Slider#handleBlur}.
+ *
+ * @param {EventTarget~Event} event
+ * the `keydown` event that caused this function to run.
+ *
+ * @listens keydown
+ */
+
+
+ Slider.prototype.handleKeyPress = function handleKeyPress(event) {
+ // Left and Down Arrows
+ if (event.which === 37 || event.which === 40) {
+ event.preventDefault();
+ this.stepBack();
+
+ // Up and Right Arrows
+ } else if (event.which === 38 || event.which === 39) {
+ event.preventDefault();
+ this.stepForward();
+ }
+ };
+
+ /**
+ * Handle a `blur` event on this `Slider`.
+ *
+ * @param {EventTarget~Event} event
+ * The `blur` event that caused this function to run.
+ *
+ * @listens blur
+ */
+
+ Slider.prototype.handleBlur = function handleBlur() {
+ this.off(this.bar.el_.ownerDocument, 'keydown', this.handleKeyPress);
+ };
+
+ /**
+ * Listener for click events on slider, used to prevent clicks
+ * from bubbling up to parent elements like button menus.
+ *
+ * @param {Object} event
+ * Event that caused this object to run
+ */
+
+
+ Slider.prototype.handleClick = function handleClick(event) {
+ event.stopImmediatePropagation();
+ event.preventDefault();
+ };
+
+ /**
+ * Get/set if slider is horizontal for vertical
+ *
+ * @param {boolean} [bool]
+ * - true if slider is vertical,
+ * - false is horizontal
+ *
+ * @return {boolean}
+ * - true if slider is vertical, and getting
+ * - false if the slider is horizontal, and getting
+ */
+
+
+ Slider.prototype.vertical = function vertical(bool) {
+ if (bool === undefined) {
+ return this.vertical_ || false;
+ }
+
+ this.vertical_ = !!bool;
+
+ if (this.vertical_) {
+ this.addClass('vjs-slider-vertical');
+ } else {
+ this.addClass('vjs-slider-horizontal');
+ }
+ };
+
+ return Slider;
+}(Component);
+
+Component.registerComponent('Slider', Slider);
+
+/**
+ * @file load-progress-bar.js
+ */
+/**
+ * Shows loading progress
+ *
+ * @extends Component
+ */
+
+var LoadProgressBar = function (_Component) {
+ inherits(LoadProgressBar, _Component);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function LoadProgressBar(player, options) {
+ classCallCheck(this, LoadProgressBar);
+
+ var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+ _this.partEls_ = [];
+ _this.on(player, 'progress', _this.update);
+ return _this;
+ }
+
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+
+
+ LoadProgressBar.prototype.createEl = function createEl$$1() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-load-progress',
+ innerHTML: '<span class="vjs-control-text"><span>' + this.localize('Loaded') + '</span>: 0%</span>'
+ });
+ };
+
+ LoadProgressBar.prototype.dispose = function dispose() {
+ this.partEls_ = null;
+
+ _Component.prototype.dispose.call(this);
+ };
+
+ /**
+ * Update progress bar
+ *
+ * @param {EventTarget~Event} [event]
+ * The `progress` event that caused this function to run.
+ *
+ * @listens Player#progress
+ */
+
+
+ LoadProgressBar.prototype.update = function update(event) {
+ var buffered = this.player_.buffered();
+ var duration = this.player_.duration();
+ var bufferedEnd = this.player_.bufferedEnd();
+ var children = this.partEls_;
+
+ // get the percent width of a time compared to the total end
+ var percentify = function percentify(time, end) {
+ // no NaN
+ var percent = time / end || 0;
+
+ return (percent >= 1 ? 1 : percent) * 100 + '%';
+ };
+
+ // update the width of the progress bar
+ this.el_.style.width = percentify(bufferedEnd, duration);
+
+ // add child elements to represent the individual buffered time ranges
+ for (var i = 0; i < buffered.length; i++) {
+ var start = buffered.start(i);
+ var end = buffered.end(i);
+ var part = children[i];
+
+ if (!part) {
+ part = this.el_.appendChild(createEl());
+ children[i] = part;
+ }
+
+ // set the percent based on the width of the progress bar (bufferedEnd)
+ part.style.left = percentify(start, bufferedEnd);
+ part.style.width = percentify(end - start, bufferedEnd);
+ }
+
+ // remove unused buffered range elements
+ for (var _i = children.length; _i > buffered.length; _i--) {
+ this.el_.removeChild(children[_i - 1]);
+ }
+ children.length = buffered.length;
+ };
+
+ return LoadProgressBar;
+}(Component);
+
+Component.registerComponent('LoadProgressBar', LoadProgressBar);
+
+/**
+ * @file time-tooltip.js
+ */
+/**
+ * Time tooltips display a time above the progress bar.
+ *
+ * @extends Component
+ */
+
+var TimeTooltip = function (_Component) {
+ inherits(TimeTooltip, _Component);
+
+ function TimeTooltip() {
+ classCallCheck(this, TimeTooltip);
+ return possibleConstructorReturn(this, _Component.apply(this, arguments));
+ }
+
+ /**
+ * Create the time tooltip DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+ TimeTooltip.prototype.createEl = function createEl$$1() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-time-tooltip'
+ });
+ };
+
+ /**
+ * Updates the position of the time tooltip relative to the `SeekBar`.
+ *
+ * @param {Object} seekBarRect
+ * The `ClientRect` for the {@link SeekBar} element.
+ *
+ * @param {number} seekBarPoint
+ * A number from 0 to 1, representing a horizontal reference point
+ * from the left edge of the {@link SeekBar}
+ */
+
+
+ TimeTooltip.prototype.update = function update(seekBarRect, seekBarPoint, content) {
+ var tooltipRect = getBoundingClientRect(this.el_);
+ var playerRect = getBoundingClientRect(this.player_.el());
+ var seekBarPointPx = seekBarRect.width * seekBarPoint;
+
+ // do nothing if either rect isn't available
+ // for example, if the player isn't in the DOM for testing
+ if (!playerRect || !tooltipRect) {
+ return;
+ }
+
+ // This is the space left of the `seekBarPoint` available within the bounds
+ // of the player. We calculate any gap between the left edge of the player
+ // and the left edge of the `SeekBar` and add the number of pixels in the
+ // `SeekBar` before hitting the `seekBarPoint`
+ var spaceLeftOfPoint = seekBarRect.left - playerRect.left + seekBarPointPx;
+
+ // This is the space right of the `seekBarPoint` available within the bounds
+ // of the player. We calculate the number of pixels from the `seekBarPoint`
+ // to the right edge of the `SeekBar` and add to that any gap between the
+ // right edge of the `SeekBar` and the player.
+ var spaceRightOfPoint = seekBarRect.width - seekBarPointPx + (playerRect.right - seekBarRect.right);
+
+ // This is the number of pixels by which the tooltip will need to be pulled
+ // further to the right to center it over the `seekBarPoint`.
+ var pullTooltipBy = tooltipRect.width / 2;
+
+ // Adjust the `pullTooltipBy` distance to the left or right depending on
+ // the results of the space calculations above.
+ if (spaceLeftOfPoint < pullTooltipBy) {
+ pullTooltipBy += pullTooltipBy - spaceLeftOfPoint;
+ } else if (spaceRightOfPoint < pullTooltipBy) {
+ pullTooltipBy = spaceRightOfPoint;
+ }
+
+ // Due to the imprecision of decimal/ratio based calculations and varying
+ // rounding behaviors, there are cases where the spacing adjustment is off
+ // by a pixel or two. This adds insurance to these calculations.
+ if (pullTooltipBy < 0) {
+ pullTooltipBy = 0;
+ } else if (pullTooltipBy > tooltipRect.width) {
+ pullTooltipBy = tooltipRect.width;
+ }
+
+ this.el_.style.right = '-' + pullTooltipBy + 'px';
+ textContent(this.el_, content);
+ };
+
+ return TimeTooltip;
+}(Component);
+
+Component.registerComponent('TimeTooltip', TimeTooltip);
+
+/**
+ * @file play-progress-bar.js
+ */
+/**
+ * Used by {@link SeekBar} to display media playback progress as part of the
+ * {@link ProgressControl}.
+ *
+ * @extends Component
+ */
+
+var PlayProgressBar = function (_Component) {
+ inherits(PlayProgressBar, _Component);
+
+ function PlayProgressBar() {
+ classCallCheck(this, PlayProgressBar);
+ return possibleConstructorReturn(this, _Component.apply(this, arguments));
+ }
+
+ /**
+ * Create the the DOM element for this class.
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+ PlayProgressBar.prototype.createEl = function createEl() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-play-progress vjs-slider-bar',
+ innerHTML: '<span class="vjs-control-text"><span>' + this.localize('Progress') + '</span>: 0%</span>'
+ });
+ };
+
+ /**
+ * Enqueues updates to its own DOM as well as the DOM of its
+ * {@link TimeTooltip} child.
+ *
+ * @param {Object} seekBarRect
+ * The `ClientRect` for the {@link SeekBar} element.
+ *
+ * @param {number} seekBarPoint
+ * A number from 0 to 1, representing a horizontal reference point
+ * from the left edge of the {@link SeekBar}
+ */
+
+
+ PlayProgressBar.prototype.update = function update(seekBarRect, seekBarPoint) {
+ var _this2 = this;
+
+ // If there is an existing rAF ID, cancel it so we don't over-queue.
+ if (this.rafId_) {
+ this.cancelAnimationFrame(this.rafId_);
+ }
+
+ this.rafId_ = this.requestAnimationFrame(function () {
+ var time = _this2.player_.scrubbing() ? _this2.player_.getCache().currentTime : _this2.player_.currentTime();
+
+ var content = formatTime(time, _this2.player_.duration());
+ var timeTooltip = _this2.getChild('timeTooltip');
+
+ if (timeTooltip) {
+ timeTooltip.update(seekBarRect, seekBarPoint, content);
+ }
+ });
+ };
+
+ return PlayProgressBar;
+}(Component);
+
+/**
+ * Default options for {@link PlayProgressBar}.
+ *
+ * @type {Object}
+ * @private
+ */
+
+
+PlayProgressBar.prototype.options_ = {
+ children: []
+};
+
+// Time tooltips should not be added to a player on mobile devices or IE8
+if ((!IE_VERSION || IE_VERSION > 8) && !IS_IOS && !IS_ANDROID) {
+ PlayProgressBar.prototype.options_.children.push('timeTooltip');
+}
+
+Component.registerComponent('PlayProgressBar', PlayProgressBar);
+
+/**
+ * @file mouse-time-display.js
+ */
+/**
+ * The {@link MouseTimeDisplay} component tracks mouse movement over the
+ * {@link ProgressControl}. It displays an indicator and a {@link TimeTooltip}
+ * indicating the time which is represented by a given point in the
+ * {@link ProgressControl}.
+ *
+ * @extends Component
+ */
+
+var MouseTimeDisplay = function (_Component) {
+ inherits(MouseTimeDisplay, _Component);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The {@link Player} that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function MouseTimeDisplay(player, options) {
+ classCallCheck(this, MouseTimeDisplay);
+
+ var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+ _this.update = throttle(bind(_this, _this.update), 25);
+ return _this;
+ }
+
+ /**
+ * Create the DOM element for this class.
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+
+
+ MouseTimeDisplay.prototype.createEl = function createEl() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-mouse-display'
+ });
+ };
+
+ /**
+ * Enqueues updates to its own DOM as well as the DOM of its
+ * {@link TimeTooltip} child.
+ *
+ * @param {Object} seekBarRect
+ * The `ClientRect` for the {@link SeekBar} element.
+ *
+ * @param {number} seekBarPoint
+ * A number from 0 to 1, representing a horizontal reference point
+ * from the left edge of the {@link SeekBar}
+ */
+
+
+ MouseTimeDisplay.prototype.update = function update(seekBarRect, seekBarPoint) {
+ var _this2 = this;
+
+ // If there is an existing rAF ID, cancel it so we don't over-queue.
+ if (this.rafId_) {
+ this.cancelAnimationFrame(this.rafId_);
+ }
+
+ this.rafId_ = this.requestAnimationFrame(function () {
+ var duration = _this2.player_.duration();
+ var content = formatTime(seekBarPoint * duration, duration);
+
+ _this2.el_.style.left = seekBarRect.width * seekBarPoint + 'px';
+ _this2.getChild('timeTooltip').update(seekBarRect, seekBarPoint, content);
+ });
+ };
+
+ return MouseTimeDisplay;
+}(Component);
+
+/**
+ * Default options for `MouseTimeDisplay`
+ *
+ * @type {Object}
+ * @private
+ */
+
+
+MouseTimeDisplay.prototype.options_ = {
+ children: ['timeTooltip']
+};
+
+Component.registerComponent('MouseTimeDisplay', MouseTimeDisplay);
+
+/**
+ * @file seek-bar.js
+ */
+// The number of seconds the `step*` functions move the timeline.
+var STEP_SECONDS = 5;
+
+// The interval at which the bar should update as it progresses.
+var UPDATE_REFRESH_INTERVAL = 30;
+
+/**
+ * Seek bar and container for the progress bars. Uses {@link PlayProgressBar}
+ * as its `bar`.
+ *
+ * @extends Slider
+ */
+
+var SeekBar = function (_Slider) {
+ inherits(SeekBar, _Slider);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function SeekBar(player, options) {
+ classCallCheck(this, SeekBar);
+
+ var _this = possibleConstructorReturn(this, _Slider.call(this, player, options));
+
+ _this.update = throttle(bind(_this, _this.update), UPDATE_REFRESH_INTERVAL);
+
+ _this.on(player, 'timeupdate', _this.update);
+ _this.on(player, 'ended', _this.handleEnded);
+
+ // when playing, let's ensure we smoothly update the play progress bar
+ // via an interval
+ _this.updateInterval = null;
+
+ _this.on(player, ['playing'], function () {
+ _this.clearInterval(_this.updateInterval);
+
+ _this.updateInterval = _this.setInterval(function () {
+ _this.requestAnimationFrame(function () {
+ _this.update();
+ });
+ }, UPDATE_REFRESH_INTERVAL);
+ });
+
+ _this.on(player, ['ended', 'pause', 'waiting'], function () {
+ _this.clearInterval(_this.updateInterval);
+ });
+
+ _this.on(player, ['timeupdate', 'ended'], _this.update);
+ return _this;
+ }
+
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+
+
+ SeekBar.prototype.createEl = function createEl$$1() {
+ return _Slider.prototype.createEl.call(this, 'div', {
+ className: 'vjs-progress-holder'
+ }, {
+ 'aria-label': this.localize('Progress Bar')
+ });
+ };
+
+ /**
+ * This function updates the play progress bar and accessiblity
+ * attributes to whatever is passed in.
+ *
+ * @param {number} currentTime
+ * The currentTime value that should be used for accessiblity
+ *
+ * @param {number} percent
+ * The percentage as a decimal that the bar should be filled from 0-1.
+ *
+ * @private
+ */
+
+
+ SeekBar.prototype.update_ = function update_(currentTime, percent) {
+ var duration = this.player_.duration();
+
+ // machine readable value of progress bar (percentage complete)
+ this.el_.setAttribute('aria-valuenow', (percent * 100).toFixed(2));
+
+ // human readable value of progress bar (time complete)
+ this.el_.setAttribute('aria-valuetext', this.localize('progress bar timing: currentTime={1} duration={2}', [formatTime(currentTime, duration), formatTime(duration, duration)], '{1} of {2}'));
+
+ // Update the `PlayProgressBar`.
+ this.bar.update(getBoundingClientRect(this.el_), percent);
+ };
+
+ /**
+ * Update the seek bar's UI.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `timeupdate` or `ended` event that caused this to run.
+ *
+ * @listens Player#timeupdate
+ *
+ * @returns {number}
+ * The current percent at a number from 0-1
+ */
+
+
+ SeekBar.prototype.update = function update(event) {
+ var percent = _Slider.prototype.update.call(this);
+
+ this.update_(this.getCurrentTime_(), percent);
+ return percent;
+ };
+
+ /**
+ * Get the value of current time but allows for smooth scrubbing,
+ * when player can't keep up.
+ *
+ * @return {number}
+ * The current time value to display
+ *
+ * @private
+ */
+
+
+ SeekBar.prototype.getCurrentTime_ = function getCurrentTime_() {
+ return this.player_.scrubbing() ? this.player_.getCache().currentTime : this.player_.currentTime();
+ };
+
+ /**
+ * We want the seek bar to be full on ended
+ * no matter what the actual internal values are. so we force it.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `timeupdate` or `ended` event that caused this to run.
+ *
+ * @listens Player#ended
+ */
+
+
+ SeekBar.prototype.handleEnded = function handleEnded(event) {
+ this.update_(this.player_.duration(), 1);
+ };
+
+ /**
+ * Get the percentage of media played so far.
+ *
+ * @return {number}
+ * The percentage of media played so far (0 to 1).
+ */
+
+
+ SeekBar.prototype.getPercent = function getPercent() {
+ var percent = this.getCurrentTime_() / this.player_.duration();
+
+ return percent >= 1 ? 1 : percent;
+ };
+
+ /**
+ * Handle mouse down on seek bar
+ *
+ * @param {EventTarget~Event} event
+ * The `mousedown` event that caused this to run.
+ *
+ * @listens mousedown
+ */
+
+
+ SeekBar.prototype.handleMouseDown = function handleMouseDown(event) {
+ if (!isSingleLeftClick(event)) {
+ return;
+ }
+
+ // Stop event propagation to prevent double fire in progress-control.js
+ event.stopPropagation();
+ this.player_.scrubbing(true);
+
+ this.videoWasPlaying = !this.player_.paused();
+ this.player_.pause();
+
+ _Slider.prototype.handleMouseDown.call(this, event);
+ };
+
+ /**
+ * Handle mouse move on seek bar
+ *
+ * @param {EventTarget~Event} event
+ * The `mousemove` event that caused this to run.
+ *
+ * @listens mousemove
+ */
+
+
+ SeekBar.prototype.handleMouseMove = function handleMouseMove(event) {
+ if (!isSingleLeftClick(event)) {
+ return;
+ }
+
+ var newTime = this.calculateDistance(event) * this.player_.duration();
+
+ // Don't let video end while scrubbing.
+ if (newTime === this.player_.duration()) {
+ newTime = newTime - 0.1;
+ }
+
+ // Set new time (tell player to seek to new time)
+ this.player_.currentTime(newTime);
+ };
+
+ SeekBar.prototype.enable = function enable() {
+ _Slider.prototype.enable.call(this);
+ var mouseTimeDisplay = this.getChild('mouseTimeDisplay');
+
+ if (!mouseTimeDisplay) {
+ return;
+ }
+
+ mouseTimeDisplay.show();
+ };
+
+ SeekBar.prototype.disable = function disable() {
+ _Slider.prototype.disable.call(this);
+ var mouseTimeDisplay = this.getChild('mouseTimeDisplay');
+
+ if (!mouseTimeDisplay) {
+ return;
+ }
+
+ mouseTimeDisplay.hide();
+ };
+
+ /**
+ * Handle mouse up on seek bar
+ *
+ * @param {EventTarget~Event} event
+ * The `mouseup` event that caused this to run.
+ *
+ * @listens mouseup
+ */
+
+
+ SeekBar.prototype.handleMouseUp = function handleMouseUp(event) {
+ _Slider.prototype.handleMouseUp.call(this, event);
+
+ // Stop event propagation to prevent double fire in progress-control.js
+ if (event) {
+ event.stopPropagation();
+ }
+ this.player_.scrubbing(false);
+
+ /**
+ * Trigger timeupdate because we're done seeking and the time has changed.
+ * This is particularly useful for if the player is paused to time the time displays.
+ *
+ * @event Tech#timeupdate
+ * @type {EventTarget~Event}
+ */
+ this.player_.trigger({ type: 'timeupdate', target: this, manuallyTriggered: true });
+ if (this.videoWasPlaying) {
+ silencePromise(this.player_.play());
+ }
+ };
+
+ /**
+ * Move more quickly fast forward for keyboard-only users
+ */
+
+
+ SeekBar.prototype.stepForward = function stepForward() {
+ this.player_.currentTime(this.player_.currentTime() + STEP_SECONDS);
+ };
+
+ /**
+ * Move more quickly rewind for keyboard-only users
+ */
+
+
+ SeekBar.prototype.stepBack = function stepBack() {
+ this.player_.currentTime(this.player_.currentTime() - STEP_SECONDS);
+ };
+
+ /**
+ * Toggles the playback state of the player
+ * This gets called when enter or space is used on the seekbar
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown` event that caused this function to be called
+ *
+ */
+
+
+ SeekBar.prototype.handleAction = function handleAction(event) {
+ if (this.player_.paused()) {
+ this.player_.play();
+ } else {
+ this.player_.pause();
+ }
+ };
+
+ /**
+ * Called when this SeekBar has focus and a key gets pressed down. By
+ * default it will call `this.handleAction` when the key is space or enter.
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown` event that caused this function to be called.
+ *
+ * @listens keydown
+ */
+
+
+ SeekBar.prototype.handleKeyPress = function handleKeyPress(event) {
+
+ // Support Space (32) or Enter (13) key operation to fire a click event
+ if (event.which === 32 || event.which === 13) {
+ event.preventDefault();
+ this.handleAction(event);
+ } else if (_Slider.prototype.handleKeyPress) {
+
+ // Pass keypress handling up for unsupported keys
+ _Slider.prototype.handleKeyPress.call(this, event);
+ }
+ };
+
+ return SeekBar;
+}(Slider);
+
+/**
+ * Default options for the `SeekBar`
+ *
+ * @type {Object}
+ * @private
+ */
+
+
+SeekBar.prototype.options_ = {
+ children: ['loadProgressBar', 'playProgressBar'],
+ barName: 'playProgressBar'
+};
+
+// MouseTimeDisplay tooltips should not be added to a player on mobile devices or IE8
+if ((!IE_VERSION || IE_VERSION > 8) && !IS_IOS && !IS_ANDROID) {
+ SeekBar.prototype.options_.children.splice(1, 0, 'mouseTimeDisplay');
+}
+
+/**
+ * Call the update event for this Slider when this event happens on the player.
+ *
+ * @type {string}
+ */
+SeekBar.prototype.playerEvent = 'timeupdate';
+
+Component.registerComponent('SeekBar', SeekBar);
+
+/**
+ * @file progress-control.js
+ */
+/**
+ * The Progress Control component contains the seek bar, load progress,
+ * and play progress.
+ *
+ * @extends Component
+ */
+
+var ProgressControl = function (_Component) {
+ inherits(ProgressControl, _Component);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function ProgressControl(player, options) {
+ classCallCheck(this, ProgressControl);
+
+ var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+ _this.handleMouseMove = throttle(bind(_this, _this.handleMouseMove), 25);
+ _this.throttledHandleMouseSeek = throttle(bind(_this, _this.handleMouseSeek), 25);
+
+ _this.enable();
+ return _this;
+ }
+
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+
+
+ ProgressControl.prototype.createEl = function createEl$$1() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-progress-control vjs-control'
+ });
+ };
+
+ /**
+ * When the mouse moves over the `ProgressControl`, the pointer position
+ * gets passed down to the `MouseTimeDisplay` component.
+ *
+ * @param {EventTarget~Event} event
+ * The `mousemove` event that caused this function to run.
+ *
+ * @listen mousemove
+ */
+
+
+ ProgressControl.prototype.handleMouseMove = function handleMouseMove(event) {
+ var seekBar = this.getChild('seekBar');
+
+ if (seekBar) {
+ var mouseTimeDisplay = seekBar.getChild('mouseTimeDisplay');
+ var seekBarEl = seekBar.el();
+ var seekBarRect = getBoundingClientRect(seekBarEl);
+ var seekBarPoint = getPointerPosition(seekBarEl, event).x;
+
+ // The default skin has a gap on either side of the `SeekBar`. This means
+ // that it's possible to trigger this behavior outside the boundaries of
+ // the `SeekBar`. This ensures we stay within it at all times.
+ if (seekBarPoint > 1) {
+ seekBarPoint = 1;
+ } else if (seekBarPoint < 0) {
+ seekBarPoint = 0;
+ }
+
+ if (mouseTimeDisplay) {
+ mouseTimeDisplay.update(seekBarRect, seekBarPoint);
+ }
+ }
+ };
+
+ /**
+ * A throttled version of the {@link ProgressControl#handleMouseSeek} listener.
+ *
+ * @method ProgressControl#throttledHandleMouseSeek
+ * @param {EventTarget~Event} event
+ * The `mousemove` event that caused this function to run.
+ *
+ * @listen mousemove
+ * @listen touchmove
+ */
+
+ /**
+ * Handle `mousemove` or `touchmove` events on the `ProgressControl`.
+ *
+ * @param {EventTarget~Event} event
+ * `mousedown` or `touchstart` event that triggered this function
+ *
+ * @listens mousemove
+ * @listens touchmove
+ */
+
+
+ ProgressControl.prototype.handleMouseSeek = function handleMouseSeek(event) {
+ var seekBar = this.getChild('seekBar');
+
+ if (seekBar) {
+ seekBar.handleMouseMove(event);
+ }
+ };
+
+ /**
+ * Are controls are currently enabled for this progress control.
+ *
+ * @return {boolean}
+ * true if controls are enabled, false otherwise
+ */
+
+
+ ProgressControl.prototype.enabled = function enabled() {
+ return this.enabled_;
+ };
+
+ /**
+ * Disable all controls on the progress control and its children
+ */
+
+
+ ProgressControl.prototype.disable = function disable() {
+ this.children().forEach(function (child) {
+ return child.disable && child.disable();
+ });
+
+ if (!this.enabled()) {
+ return;
+ }
+
+ this.off(['mousedown', 'touchstart'], this.handleMouseDown);
+ this.off(this.el_, 'mousemove', this.handleMouseMove);
+ this.handleMouseUp();
+
+ this.addClass('disabled');
+
+ this.enabled_ = false;
+ };
+
+ /**
+ * Enable all controls on the progress control and its children
+ */
+
+
+ ProgressControl.prototype.enable = function enable() {
+ this.children().forEach(function (child) {
+ return child.enable && child.enable();
+ });
+
+ if (this.enabled()) {
+ return;
+ }
+
+ this.on(['mousedown', 'touchstart'], this.handleMouseDown);
+ this.on(this.el_, 'mousemove', this.handleMouseMove);
+ this.removeClass('disabled');
+
+ this.enabled_ = true;
+ };
+
+ /**
+ * Handle `mousedown` or `touchstart` events on the `ProgressControl`.
+ *
+ * @param {EventTarget~Event} event
+ * `mousedown` or `touchstart` event that triggered this function
+ *
+ * @listens mousedown
+ * @listens touchstart
+ */
+
+
+ ProgressControl.prototype.handleMouseDown = function handleMouseDown(event) {
+ var doc = this.el_.ownerDocument;
+ var seekBar = this.getChild('seekBar');
+
+ if (seekBar) {
+ seekBar.handleMouseDown(event);
+ }
+
+ this.on(doc, 'mousemove', this.throttledHandleMouseSeek);
+ this.on(doc, 'touchmove', this.throttledHandleMouseSeek);
+ this.on(doc, 'mouseup', this.handleMouseUp);
+ this.on(doc, 'touchend', this.handleMouseUp);
+ };
+
+ /**
+ * Handle `mouseup` or `touchend` events on the `ProgressControl`.
+ *
+ * @param {EventTarget~Event} event
+ * `mouseup` or `touchend` event that triggered this function.
+ *
+ * @listens touchend
+ * @listens mouseup
+ */
+
+
+ ProgressControl.prototype.handleMouseUp = function handleMouseUp(event) {
+ var doc = this.el_.ownerDocument;
+ var seekBar = this.getChild('seekBar');
+
+ if (seekBar) {
+ seekBar.handleMouseUp(event);
+ }
+
+ this.off(doc, 'mousemove', this.throttledHandleMouseSeek);
+ this.off(doc, 'touchmove', this.throttledHandleMouseSeek);
+ this.off(doc, 'mouseup', this.handleMouseUp);
+ this.off(doc, 'touchend', this.handleMouseUp);
+ };
+
+ return ProgressControl;
+}(Component);
+
+/**
+ * Default options for `ProgressControl`
+ *
+ * @type {Object}
+ * @private
+ */
+
+
+ProgressControl.prototype.options_ = {
+ children: ['seekBar']
+};
+
+Component.registerComponent('ProgressControl', ProgressControl);
+
+/**
+ * @file fullscreen-toggle.js
+ */
+/**
+ * Toggle fullscreen video
+ *
+ * @extends Button
+ */
+
+var FullscreenToggle = function (_Button) {
+ inherits(FullscreenToggle, _Button);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function FullscreenToggle(player, options) {
+ classCallCheck(this, FullscreenToggle);
+
+ var _this = possibleConstructorReturn(this, _Button.call(this, player, options));
+
+ _this.on(player, 'fullscreenchange', _this.handleFullscreenChange);
+ return _this;
+ }
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ FullscreenToggle.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-fullscreen-control ' + _Button.prototype.buildCSSClass.call(this);
+ };
+
+ /**
+ * Handles fullscreenchange on the player and change control text accordingly.
+ *
+ * @param {EventTarget~Event} [event]
+ * The {@link Player#fullscreenchange} event that caused this function to be
+ * called.
+ *
+ * @listens Player#fullscreenchange
+ */
+
+
+ FullscreenToggle.prototype.handleFullscreenChange = function handleFullscreenChange(event) {
+ if (this.player_.isFullscreen()) {
+ this.controlText('Non-Fullscreen');
+ } else {
+ this.controlText('Fullscreen');
+ }
+ };
+
+ /**
+ * This gets called when an `FullscreenToggle` is "clicked". See
+ * {@link ClickableComponent} for more detailed information on what a click can be.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
+
+
+ FullscreenToggle.prototype.handleClick = function handleClick(event) {
+ if (!this.player_.isFullscreen()) {
+ this.player_.requestFullscreen();
+ } else {
+ this.player_.exitFullscreen();
+ }
+ };
+
+ return FullscreenToggle;
+}(Button);
+
+/**
+ * The text that should display over the `FullscreenToggle`s controls. Added for localization.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+FullscreenToggle.prototype.controlText_ = 'Fullscreen';
+
+Component.registerComponent('FullscreenToggle', FullscreenToggle);
+
+/**
+ * Check if volume control is supported and if it isn't hide the
+ * `Component` that was passed using the `vjs-hidden` class.
+ *
+ * @param {Component} self
+ * The component that should be hidden if volume is unsupported
+ *
+ * @param {Player} player
+ * A reference to the player
+ *
+ * @private
+ */
+var checkVolumeSupport = function checkVolumeSupport(self, player) {
+ // hide volume controls when they're not supported by the current tech
+ if (player.tech_ && !player.tech_.featuresVolumeControl) {
+ self.addClass('vjs-hidden');
+ }
+
+ self.on(player, 'loadstart', function () {
+ if (!player.tech_.featuresVolumeControl) {
+ self.addClass('vjs-hidden');
+ } else {
+ self.removeClass('vjs-hidden');
+ }
+ });
+};
+
+/**
+ * @file volume-level.js
+ */
+/**
+ * Shows volume level
+ *
+ * @extends Component
+ */
+
+var VolumeLevel = function (_Component) {
+ inherits(VolumeLevel, _Component);
+
+ function VolumeLevel() {
+ classCallCheck(this, VolumeLevel);
+ return possibleConstructorReturn(this, _Component.apply(this, arguments));
+ }
+
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+ VolumeLevel.prototype.createEl = function createEl() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-volume-level',
+ innerHTML: '<span class="vjs-control-text"></span>'
+ });
+ };
+
+ return VolumeLevel;
+}(Component);
+
+Component.registerComponent('VolumeLevel', VolumeLevel);
+
+/**
+ * @file volume-bar.js
+ */
+// Required children
+/**
+ * The bar that contains the volume level and can be clicked on to adjust the level
+ *
+ * @extends Slider
+ */
+
+var VolumeBar = function (_Slider) {
+ inherits(VolumeBar, _Slider);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function VolumeBar(player, options) {
+ classCallCheck(this, VolumeBar);
+
+ var _this = possibleConstructorReturn(this, _Slider.call(this, player, options));
+
+ _this.on('slideractive', _this.updateLastVolume_);
+ _this.on(player, 'volumechange', _this.updateARIAAttributes);
+ player.ready(function () {
+ return _this.updateARIAAttributes();
+ });
+ return _this;
+ }
+
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+
+
+ VolumeBar.prototype.createEl = function createEl$$1() {
+ return _Slider.prototype.createEl.call(this, 'div', {
+ className: 'vjs-volume-bar vjs-slider-bar'
+ }, {
+ 'aria-label': this.localize('Volume Level'),
+ 'aria-live': 'polite'
+ });
+ };
+
+ /**
+ * Handle mouse down on volume bar
+ *
+ * @param {EventTarget~Event} event
+ * The `mousedown` event that caused this to run.
+ *
+ * @listens mousedown
+ */
+
+
+ VolumeBar.prototype.handleMouseDown = function handleMouseDown(event) {
+ if (!isSingleLeftClick(event)) {
+ return;
+ }
+
+ _Slider.prototype.handleMouseDown.call(this, event);
+ };
+
+ /**
+ * Handle movement events on the {@link VolumeMenuButton}.
+ *
+ * @param {EventTarget~Event} event
+ * The event that caused this function to run.
+ *
+ * @listens mousemove
+ */
+
+
+ VolumeBar.prototype.handleMouseMove = function handleMouseMove(event) {
+ if (!isSingleLeftClick(event)) {
+ return;
+ }
+
+ this.checkMuted();
+ this.player_.volume(this.calculateDistance(event));
+ };
+
+ /**
+ * If the player is muted unmute it.
+ */
+
+
+ VolumeBar.prototype.checkMuted = function checkMuted() {
+ if (this.player_.muted()) {
+ this.player_.muted(false);
+ }
+ };
+
+ /**
+ * Get percent of volume level
+ *
+ * @return {number}
+ * Volume level percent as a decimal number.
+ */
+
+
+ VolumeBar.prototype.getPercent = function getPercent() {
+ if (this.player_.muted()) {
+ return 0;
+ }
+ return this.player_.volume();
+ };
+
+ /**
+ * Increase volume level for keyboard users
+ */
+
+
+ VolumeBar.prototype.stepForward = function stepForward() {
+ this.checkMuted();
+ this.player_.volume(this.player_.volume() + 0.1);
+ };
+
+ /**
+ * Decrease volume level for keyboard users
+ */
+
+
+ VolumeBar.prototype.stepBack = function stepBack() {
+ this.checkMuted();
+ this.player_.volume(this.player_.volume() - 0.1);
+ };
+
+ /**
+ * Update ARIA accessibility attributes
+ *
+ * @param {EventTarget~Event} [event]
+ * The `volumechange` event that caused this function to run.
+ *
+ * @listens Player#volumechange
+ */
+
+
+ VolumeBar.prototype.updateARIAAttributes = function updateARIAAttributes(event) {
+ var ariaValue = this.player_.muted() ? 0 : this.volumeAsPercentage_();
+
+ this.el_.setAttribute('aria-valuenow', ariaValue);
+ this.el_.setAttribute('aria-valuetext', ariaValue + '%');
+ };
+
+ /**
+ * Returns the current value of the player volume as a percentage
+ *
+ * @private
+ */
+
+
+ VolumeBar.prototype.volumeAsPercentage_ = function volumeAsPercentage_() {
+ return Math.round(this.player_.volume() * 100);
+ };
+
+ /**
+ * When user starts dragging the VolumeBar, store the volume and listen for
+ * the end of the drag. When the drag ends, if the volume was set to zero,
+ * set lastVolume to the stored volume.
+ *
+ * @listens slideractive
+ * @private
+ */
+
+
+ VolumeBar.prototype.updateLastVolume_ = function updateLastVolume_() {
+ var _this2 = this;
+
+ var volumeBeforeDrag = this.player_.volume();
+
+ this.one('sliderinactive', function () {
+ if (_this2.player_.volume() === 0) {
+ _this2.player_.lastVolume_(volumeBeforeDrag);
+ }
+ });
+ };
+
+ return VolumeBar;
+}(Slider);
+
+/**
+ * Default options for the `VolumeBar`
+ *
+ * @type {Object}
+ * @private
+ */
+
+
+VolumeBar.prototype.options_ = {
+ children: ['volumeLevel'],
+ barName: 'volumeLevel'
+};
+
+/**
+ * Call the update event for this Slider when this event happens on the player.
+ *
+ * @type {string}
+ */
+VolumeBar.prototype.playerEvent = 'volumechange';
+
+Component.registerComponent('VolumeBar', VolumeBar);
+
+/**
+ * @file volume-control.js
+ */
+// Required children
+/**
+ * The component for controlling the volume level
+ *
+ * @extends Component
+ */
+
+var VolumeControl = function (_Component) {
+ inherits(VolumeControl, _Component);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options={}]
+ * The key/value store of player options.
+ */
+ function VolumeControl(player) {
+ var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ classCallCheck(this, VolumeControl);
+
+ options.vertical = options.vertical || false;
+
+ // Pass the vertical option down to the VolumeBar if
+ // the VolumeBar is turned on.
+ if (typeof options.volumeBar === 'undefined' || isPlain(options.volumeBar)) {
+ options.volumeBar = options.volumeBar || {};
+ options.volumeBar.vertical = options.vertical;
+ }
+
+ // hide this control if volume support is missing
+ var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+ checkVolumeSupport(_this, player);
+
+ _this.throttledHandleMouseMove = throttle(bind(_this, _this.handleMouseMove), 25);
+
+ _this.on('mousedown', _this.handleMouseDown);
+ _this.on('touchstart', _this.handleMouseDown);
+
+ // while the slider is active (the mouse has been pressed down and
+ // is dragging) or in focus we do not want to hide the VolumeBar
+ _this.on(_this.volumeBar, ['focus', 'slideractive'], function () {
+ _this.volumeBar.addClass('vjs-slider-active');
+ _this.addClass('vjs-slider-active');
+ _this.trigger('slideractive');
+ });
+
+ _this.on(_this.volumeBar, ['blur', 'sliderinactive'], function () {
+ _this.volumeBar.removeClass('vjs-slider-active');
+ _this.removeClass('vjs-slider-active');
+ _this.trigger('sliderinactive');
+ });
+ return _this;
+ }
+
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+
+
+ VolumeControl.prototype.createEl = function createEl() {
+ var orientationClass = 'vjs-volume-horizontal';
+
+ if (this.options_.vertical) {
+ orientationClass = 'vjs-volume-vertical';
+ }
+
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-volume-control vjs-control ' + orientationClass
+ });
+ };
+
+ /**
+ * Handle `mousedown` or `touchstart` events on the `VolumeControl`.
+ *
+ * @param {EventTarget~Event} event
+ * `mousedown` or `touchstart` event that triggered this function
+ *
+ * @listens mousedown
+ * @listens touchstart
+ */
+
+
+ VolumeControl.prototype.handleMouseDown = function handleMouseDown(event) {
+ var doc = this.el_.ownerDocument;
+
+ this.on(doc, 'mousemove', this.throttledHandleMouseMove);
+ this.on(doc, 'touchmove', this.throttledHandleMouseMove);
+ this.on(doc, 'mouseup', this.handleMouseUp);
+ this.on(doc, 'touchend', this.handleMouseUp);
+ };
+
+ /**
+ * Handle `mouseup` or `touchend` events on the `VolumeControl`.
+ *
+ * @param {EventTarget~Event} event
+ * `mouseup` or `touchend` event that triggered this function.
+ *
+ * @listens touchend
+ * @listens mouseup
+ */
+
+
+ VolumeControl.prototype.handleMouseUp = function handleMouseUp(event) {
+ var doc = this.el_.ownerDocument;
+
+ this.off(doc, 'mousemove', this.throttledHandleMouseMove);
+ this.off(doc, 'touchmove', this.throttledHandleMouseMove);
+ this.off(doc, 'mouseup', this.handleMouseUp);
+ this.off(doc, 'touchend', this.handleMouseUp);
+ };
+
+ /**
+ * Handle `mousedown` or `touchstart` events on the `VolumeControl`.
+ *
+ * @param {EventTarget~Event} event
+ * `mousedown` or `touchstart` event that triggered this function
+ *
+ * @listens mousedown
+ * @listens touchstart
+ */
+
+
+ VolumeControl.prototype.handleMouseMove = function handleMouseMove(event) {
+ this.volumeBar.handleMouseMove(event);
+ };
+
+ return VolumeControl;
+}(Component);
+
+/**
+ * Default options for the `VolumeControl`
+ *
+ * @type {Object}
+ * @private
+ */
+
+
+VolumeControl.prototype.options_ = {
+ children: ['volumeBar']
+};
+
+Component.registerComponent('VolumeControl', VolumeControl);
+
+/**
+ * @file mute-toggle.js
+ */
+/**
+ * A button component for muting the audio.
+ *
+ * @extends Button
+ */
+
+var MuteToggle = function (_Button) {
+ inherits(MuteToggle, _Button);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function MuteToggle(player, options) {
+ classCallCheck(this, MuteToggle);
+
+ // hide this control if volume support is missing
+ var _this = possibleConstructorReturn(this, _Button.call(this, player, options));
+
+ checkVolumeSupport(_this, player);
+
+ _this.on(player, ['loadstart', 'volumechange'], _this.update);
+ return _this;
+ }
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ MuteToggle.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-mute-control ' + _Button.prototype.buildCSSClass.call(this);
+ };
+
+ /**
+ * This gets called when an `MuteToggle` is "clicked". See
+ * {@link ClickableComponent} for more detailed information on what a click can be.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
+
+
+ MuteToggle.prototype.handleClick = function handleClick(event) {
+ var vol = this.player_.volume();
+ var lastVolume = this.player_.lastVolume_();
+
+ if (vol === 0) {
+ var volumeToSet = lastVolume < 0.1 ? 0.1 : lastVolume;
+
+ this.player_.volume(volumeToSet);
+ this.player_.muted(false);
+ } else {
+ this.player_.muted(this.player_.muted() ? false : true);
+ }
+ };
+
+ /**
+ * Update the `MuteToggle` button based on the state of `volume` and `muted`
+ * on the player.
+ *
+ * @param {EventTarget~Event} [event]
+ * The {@link Player#loadstart} event if this function was called
+ * through an event.
+ *
+ * @listens Player#loadstart
+ * @listens Player#volumechange
+ */
+
+
+ MuteToggle.prototype.update = function update(event) {
+ this.updateIcon_();
+ this.updateControlText_();
+ };
+
+ /**
+ * Update the appearance of the `MuteToggle` icon.
+ *
+ * Possible states (given `level` variable below):
+ * - 0: crossed out
+ * - 1: zero bars of volume
+ * - 2: one bar of volume
+ * - 3: two bars of volume
+ *
+ * @private
+ */
+
+
+ MuteToggle.prototype.updateIcon_ = function updateIcon_() {
+ var vol = this.player_.volume();
+ var level = 3;
+
+ if (vol === 0 || this.player_.muted()) {
+ level = 0;
+ } else if (vol < 0.33) {
+ level = 1;
+ } else if (vol < 0.67) {
+ level = 2;
+ }
+
+ // TODO improve muted icon classes
+ for (var i = 0; i < 4; i++) {
+ removeClass(this.el_, 'vjs-vol-' + i);
+ }
+ addClass(this.el_, 'vjs-vol-' + level);
+ };
+
+ /**
+ * If `muted` has changed on the player, update the control text
+ * (`title` attribute on `vjs-mute-control` element and content of
+ * `vjs-control-text` element).
+ *
+ * @private
+ */
+
+
+ MuteToggle.prototype.updateControlText_ = function updateControlText_() {
+ var soundOff = this.player_.muted() || this.player_.volume() === 0;
+ var text = soundOff ? 'Unmute' : 'Mute';
+
+ if (this.controlText() !== text) {
+ this.controlText(text);
+ }
+ };
+
+ return MuteToggle;
+}(Button);
+
+/**
+ * The text that should display over the `MuteToggle`s controls. Added for localization.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+MuteToggle.prototype.controlText_ = 'Mute';
+
+Component.registerComponent('MuteToggle', MuteToggle);
+
+/**
+ * @file volume-control.js
+ */
+// Required children
+/**
+ * A Component to contain the MuteToggle and VolumeControl so that
+ * they can work together.
+ *
+ * @extends Component
+ */
+
+var VolumePanel = function (_Component) {
+ inherits(VolumePanel, _Component);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options={}]
+ * The key/value store of player options.
+ */
+ function VolumePanel(player) {
+ var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ classCallCheck(this, VolumePanel);
+
+ if (typeof options.inline !== 'undefined') {
+ options.inline = options.inline;
+ } else {
+ options.inline = true;
+ }
+
+ // pass the inline option down to the VolumeControl as vertical if
+ // the VolumeControl is on.
+ if (typeof options.volumeControl === 'undefined' || isPlain(options.volumeControl)) {
+ options.volumeControl = options.volumeControl || {};
+ options.volumeControl.vertical = !options.inline;
+ }
+
+ // hide this control if volume support is missing
+ var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+ checkVolumeSupport(_this, player);
+
+ // while the slider is active (the mouse has been pressed down and
+ // is dragging) we do not want to hide the VolumeBar
+ _this.on(_this.volumeControl, ['slideractive'], _this.sliderActive_);
+
+ _this.on(_this.volumeControl, ['sliderinactive'], _this.sliderInactive_);
+ return _this;
+ }
+
+ /**
+ * Add vjs-slider-active class to the VolumePanel
+ *
+ * @listens VolumeControl#slideractive
+ * @private
+ */
+
+
+ VolumePanel.prototype.sliderActive_ = function sliderActive_() {
+ this.addClass('vjs-slider-active');
+ };
+
+ /**
+ * Removes vjs-slider-active class to the VolumePanel
+ *
+ * @listens VolumeControl#sliderinactive
+ * @private
+ */
+
+
+ VolumePanel.prototype.sliderInactive_ = function sliderInactive_() {
+ this.removeClass('vjs-slider-active');
+ };
+
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+
+
+ VolumePanel.prototype.createEl = function createEl() {
+ var orientationClass = 'vjs-volume-panel-horizontal';
+
+ if (!this.options_.inline) {
+ orientationClass = 'vjs-volume-panel-vertical';
+ }
+
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-volume-panel vjs-control ' + orientationClass
+ });
+ };
+
+ return VolumePanel;
+}(Component);
+
+/**
+ * Default options for the `VolumeControl`
+ *
+ * @type {Object}
+ * @private
+ */
+
+
+VolumePanel.prototype.options_ = {
+ children: ['muteToggle', 'volumeControl']
+};
+
+Component.registerComponent('VolumePanel', VolumePanel);
+
+/**
+ * @file menu.js
+ */
+/**
+ * The Menu component is used to build popup menus, including subtitle and
+ * captions selection menus.
+ *
+ * @extends Component
+ */
+
+var Menu = function (_Component) {
+ inherits(Menu, _Component);
+
+ /**
+ * Create an instance of this class.
+ *
+ * @param {Player} player
+ * the player that this component should attach to
+ *
+ * @param {Object} [options]
+ * Object of option names and values
+ *
+ */
+ function Menu(player, options) {
+ classCallCheck(this, Menu);
+
+ var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+ if (options) {
+ _this.menuButton_ = options.menuButton;
+ }
+
+ _this.focusedChild_ = -1;
+
+ _this.on('keydown', _this.handleKeyPress);
+ return _this;
+ }
+
+ /**
+ * Add a {@link MenuItem} to the menu.
+ *
+ * @param {Object|string} component
+ * The name or instance of the `MenuItem` to add.
+ *
+ */
+
+
+ Menu.prototype.addItem = function addItem(component) {
+ this.addChild(component);
+ component.on('click', bind(this, function (event) {
+ // Unpress the associated MenuButton, and move focus back to it
+ if (this.menuButton_) {
+ this.menuButton_.unpressButton();
+
+ // don't focus menu button if item is a caption settings item
+ // because focus will move elsewhere and it logs an error on IE8
+ if (component.name() !== 'CaptionSettingsMenuItem') {
+ this.menuButton_.focus();
+ }
+ }
+ }));
+ };
+
+ /**
+ * Create the `Menu`s DOM element.
+ *
+ * @return {Element}
+ * the element that was created
+ */
+
+
+ Menu.prototype.createEl = function createEl$$1() {
+ var contentElType = this.options_.contentElType || 'ul';
+
+ this.contentEl_ = createEl(contentElType, {
+ className: 'vjs-menu-content'
+ });
+
+ this.contentEl_.setAttribute('role', 'menu');
+
+ var el = _Component.prototype.createEl.call(this, 'div', {
+ append: this.contentEl_,
+ className: 'vjs-menu'
+ });
+
+ el.appendChild(this.contentEl_);
+
+ // Prevent clicks from bubbling up. Needed for Menu Buttons,
+ // where a click on the parent is significant
+ on(el, 'click', function (event) {
+ event.preventDefault();
+ event.stopImmediatePropagation();
+ });
+
+ return el;
+ };
+
+ Menu.prototype.dispose = function dispose() {
+ this.contentEl_ = null;
+
+ _Component.prototype.dispose.call(this);
+ };
+
+ /**
+ * Handle a `keydown` event on this menu. This listener is added in the constructor.
+ *
+ * @param {EventTarget~Event} event
+ * A `keydown` event that happened on the menu.
+ *
+ * @listens keydown
+ */
+
+
+ Menu.prototype.handleKeyPress = function handleKeyPress(event) {
+ // Left and Down Arrows
+ if (event.which === 37 || event.which === 40) {
+ event.preventDefault();
+ this.stepForward();
+
+ // Up and Right Arrows
+ } else if (event.which === 38 || event.which === 39) {
+ event.preventDefault();
+ this.stepBack();
+ }
+ };
+
+ /**
+ * Move to next (lower) menu item for keyboard users.
+ */
+
+
+ Menu.prototype.stepForward = function stepForward() {
+ var stepChild = 0;
+
+ if (this.focusedChild_ !== undefined) {
+ stepChild = this.focusedChild_ + 1;
+ }
+ this.focus(stepChild);
+ };
+
+ /**
+ * Move to previous (higher) menu item for keyboard users.
+ */
+
+
+ Menu.prototype.stepBack = function stepBack() {
+ var stepChild = 0;
+
+ if (this.focusedChild_ !== undefined) {
+ stepChild = this.focusedChild_ - 1;
+ }
+ this.focus(stepChild);
+ };
+
+ /**
+ * Set focus on a {@link MenuItem} in the `Menu`.
+ *
+ * @param {Object|string} [item=0]
+ * Index of child item set focus on.
+ */
+
+
+ Menu.prototype.focus = function focus() {
+ var item = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
+
+ var children = this.children().slice();
+ var haveTitle = children.length && children[0].className && /vjs-menu-title/.test(children[0].className);
+
+ if (haveTitle) {
+ children.shift();
+ }
+
+ if (children.length > 0) {
+ if (item < 0) {
+ item = 0;
+ } else if (item >= children.length) {
+ item = children.length - 1;
+ }
+
+ this.focusedChild_ = item;
+
+ children[item].el_.focus();
+ }
+ };
+
+ return Menu;
+}(Component);
+
+Component.registerComponent('Menu', Menu);
+
+/**
+ * @file menu-button.js
+ */
+/**
+ * A `MenuButton` class for any popup {@link Menu}.
+ *
+ * @extends Component
+ */
+
+var MenuButton = function (_Component) {
+ inherits(MenuButton, _Component);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options={}]
+ * The key/value store of player options.
+ */
+ function MenuButton(player) {
+ var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ classCallCheck(this, MenuButton);
+
+ var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+ _this.menuButton_ = new Button(player, options);
+
+ _this.menuButton_.controlText(_this.controlText_);
+ _this.menuButton_.el_.setAttribute('aria-haspopup', 'true');
+
+ // Add buildCSSClass values to the button, not the wrapper
+ var buttonClass = Button.prototype.buildCSSClass();
+
+ _this.menuButton_.el_.className = _this.buildCSSClass() + ' ' + buttonClass;
+ _this.menuButton_.removeClass('vjs-control');
+
+ _this.addChild(_this.menuButton_);
+
+ _this.update();
+
+ _this.enabled_ = true;
+
+ _this.on(_this.menuButton_, 'tap', _this.handleClick);
+ _this.on(_this.menuButton_, 'click', _this.handleClick);
+ _this.on(_this.menuButton_, 'focus', _this.handleFocus);
+ _this.on(_this.menuButton_, 'blur', _this.handleBlur);
+
+ _this.on('keydown', _this.handleSubmenuKeyPress);
+ return _this;
+ }
+
+ /**
+ * Update the menu based on the current state of its items.
+ */
+
+
+ MenuButton.prototype.update = function update() {
+ var menu = this.createMenu();
+
+ if (this.menu) {
+ this.menu.dispose();
+ this.removeChild(this.menu);
+ }
+
+ this.menu = menu;
+ this.addChild(menu);
+
+ /**
+ * Track the state of the menu button
+ *
+ * @type {Boolean}
+ * @private
+ */
+ this.buttonPressed_ = false;
+ this.menuButton_.el_.setAttribute('aria-expanded', 'false');
+
+ if (this.items && this.items.length <= this.hideThreshold_) {
+ this.hide();
+ } else {
+ this.show();
+ }
+ };
+
+ /**
+ * Create the menu and add all items to it.
+ *
+ * @return {Menu}
+ * The constructed menu
+ */
+
+
+ MenuButton.prototype.createMenu = function createMenu() {
+ var menu = new Menu(this.player_, { menuButton: this });
+
+ /**
+ * Hide the menu if the number of items is less than or equal to this threshold. This defaults
+ * to 0 and whenever we add items which can be hidden to the menu we'll increment it. We list
+ * it here because every time we run `createMenu` we need to reset the value.
+ *
+ * @protected
+ * @type {Number}
+ */
+ this.hideThreshold_ = 0;
+
+ // Add a title list item to the top
+ if (this.options_.title) {
+ var title = createEl('li', {
+ className: 'vjs-menu-title',
+ innerHTML: toTitleCase(this.options_.title),
+ tabIndex: -1
+ });
+
+ this.hideThreshold_ += 1;
+
+ menu.children_.unshift(title);
+ prependTo(title, menu.contentEl());
+ }
+
+ this.items = this.createItems();
+
+ if (this.items) {
+ // Add menu items to the menu
+ for (var i = 0; i < this.items.length; i++) {
+ menu.addItem(this.items[i]);
+ }
+ }
+
+ return menu;
+ };
+
+ /**
+ * Create the list of menu items. Specific to each subclass.
+ *
+ * @abstract
+ */
+
+
+ MenuButton.prototype.createItems = function createItems() {};
+
+ /**
+ * Create the `MenuButtons`s DOM element.
+ *
+ * @return {Element}
+ * The element that gets created.
+ */
+
+
+ MenuButton.prototype.createEl = function createEl$$1() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: this.buildWrapperCSSClass()
+ }, {});
+ };
+
+ /**
+ * Allow sub components to stack CSS class names for the wrapper element
+ *
+ * @return {string}
+ * The constructed wrapper DOM `className`
+ */
+
+
+ MenuButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
+ var menuButtonClass = 'vjs-menu-button';
+
+ // If the inline option is passed, we want to use different styles altogether.
+ if (this.options_.inline === true) {
+ menuButtonClass += '-inline';
+ } else {
+ menuButtonClass += '-popup';
+ }
+
+ // TODO: Fix the CSS so that this isn't necessary
+ var buttonClass = Button.prototype.buildCSSClass();
+
+ return 'vjs-menu-button ' + menuButtonClass + ' ' + buttonClass + ' ' + _Component.prototype.buildCSSClass.call(this);
+ };
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ MenuButton.prototype.buildCSSClass = function buildCSSClass() {
+ var menuButtonClass = 'vjs-menu-button';
+
+ // If the inline option is passed, we want to use different styles altogether.
+ if (this.options_.inline === true) {
+ menuButtonClass += '-inline';
+ } else {
+ menuButtonClass += '-popup';
+ }
+
+ return 'vjs-menu-button ' + menuButtonClass + ' ' + _Component.prototype.buildCSSClass.call(this);
+ };
+
+ /**
+ * Get or set the localized control text that will be used for accessibility.
+ *
+ * > NOTE: This will come from the internal `menuButton_` element.
+ *
+ * @param {string} [text]
+ * Control text for element.
+ *
+ * @param {Element} [el=this.menuButton_.el()]
+ * Element to set the title on.
+ *
+ * @return {string}
+ * - The control text when getting
+ */
+
+
+ MenuButton.prototype.controlText = function controlText(text) {
+ var el = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.menuButton_.el();
+
+ return this.menuButton_.controlText(text, el);
+ };
+
+ /**
+ * Handle a click on a `MenuButton`.
+ * See {@link ClickableComponent#handleClick} for instances where this is called.
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
+
+
+ MenuButton.prototype.handleClick = function handleClick(event) {
+ // When you click the button it adds focus, which will show the menu.
+ // So we'll remove focus when the mouse leaves the button. Focus is needed
+ // for tab navigation.
+
+ this.one(this.menu.contentEl(), 'mouseleave', bind(this, function (e) {
+ this.unpressButton();
+ this.el_.blur();
+ }));
+ if (this.buttonPressed_) {
+ this.unpressButton();
+ } else {
+ this.pressButton();
+ }
+ };
+
+ /**
+ * Set the focus to the actual button, not to this element
+ */
+
+
+ MenuButton.prototype.focus = function focus() {
+ this.menuButton_.focus();
+ };
+
+ /**
+ * Remove the focus from the actual button, not this element
+ */
+
+
+ MenuButton.prototype.blur = function blur() {
+ this.menuButton_.blur();
+ };
+
+ /**
+ * This gets called when a `MenuButton` gains focus via a `focus` event.
+ * Turns on listening for `keydown` events. When they happen it
+ * calls `this.handleKeyPress`.
+ *
+ * @param {EventTarget~Event} event
+ * The `focus` event that caused this function to be called.
+ *
+ * @listens focus
+ */
+
+
+ MenuButton.prototype.handleFocus = function handleFocus() {
+ on(document_1, 'keydown', bind(this, this.handleKeyPress));
+ };
+
+ /**
+ * Called when a `MenuButton` loses focus. Turns off the listener for
+ * `keydown` events. Which Stops `this.handleKeyPress` from getting called.
+ *
+ * @param {EventTarget~Event} event
+ * The `blur` event that caused this function to be called.
+ *
+ * @listens blur
+ */
+
+
+ MenuButton.prototype.handleBlur = function handleBlur() {
+ off(document_1, 'keydown', bind(this, this.handleKeyPress));
+ };
+
+ /**
+ * Handle tab, escape, down arrow, and up arrow keys for `MenuButton`. See
+ * {@link ClickableComponent#handleKeyPress} for instances where this is called.
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown` event that caused this function to be called.
+ *
+ * @listens keydown
+ */
+
+
+ MenuButton.prototype.handleKeyPress = function handleKeyPress(event) {
+
+ // Escape (27) key or Tab (9) key unpress the 'button'
+ if (event.which === 27 || event.which === 9) {
+ if (this.buttonPressed_) {
+ this.unpressButton();
+ }
+ // Don't preventDefault for Tab key - we still want to lose focus
+ if (event.which !== 9) {
+ event.preventDefault();
+ // Set focus back to the menu button's button
+ this.menuButton_.el_.focus();
+ }
+ // Up (38) key or Down (40) key press the 'button'
+ } else if (event.which === 38 || event.which === 40) {
+ if (!this.buttonPressed_) {
+ this.pressButton();
+ event.preventDefault();
+ }
+ }
+ };
+
+ /**
+ * Handle a `keydown` event on a sub-menu. The listener for this is added in
+ * the constructor.
+ *
+ * @param {EventTarget~Event} event
+ * Key press event
+ *
+ * @listens keydown
+ */
+
+
+ MenuButton.prototype.handleSubmenuKeyPress = function handleSubmenuKeyPress(event) {
+
+ // Escape (27) key or Tab (9) key unpress the 'button'
+ if (event.which === 27 || event.which === 9) {
+ if (this.buttonPressed_) {
+ this.unpressButton();
+ }
+ // Don't preventDefault for Tab key - we still want to lose focus
+ if (event.which !== 9) {
+ event.preventDefault();
+ // Set focus back to the menu button's button
+ this.menuButton_.el_.focus();
+ }
+ }
+ };
+
+ /**
+ * Put the current `MenuButton` into a pressed state.
+ */
+
+
+ MenuButton.prototype.pressButton = function pressButton() {
+ if (this.enabled_) {
+ this.buttonPressed_ = true;
+ this.menu.lockShowing();
+ this.menuButton_.el_.setAttribute('aria-expanded', 'true');
+
+ // set the focus into the submenu, except on iOS where it is resulting in
+ // undesired scrolling behavior when the player is in an iframe
+ if (IS_IOS && isInFrame()) {
+ // Return early so that the menu isn't focused
+ return;
+ }
+
+ this.menu.focus();
+ }
+ };
+
+ /**
+ * Take the current `MenuButton` out of a pressed state.
+ */
+
+
+ MenuButton.prototype.unpressButton = function unpressButton() {
+ if (this.enabled_) {
+ this.buttonPressed_ = false;
+ this.menu.unlockShowing();
+ this.menuButton_.el_.setAttribute('aria-expanded', 'false');
+ }
+ };
+
+ /**
+ * Disable the `MenuButton`. Don't allow it to be clicked.
+ */
+
+
+ MenuButton.prototype.disable = function disable() {
+ this.unpressButton();
+
+ this.enabled_ = false;
+ this.addClass('vjs-disabled');
+
+ this.menuButton_.disable();
+ };
+
+ /**
+ * Enable the `MenuButton`. Allow it to be clicked.
+ */
+
+
+ MenuButton.prototype.enable = function enable() {
+ this.enabled_ = true;
+ this.removeClass('vjs-disabled');
+
+ this.menuButton_.enable();
+ };
+
+ return MenuButton;
+}(Component);
+
+Component.registerComponent('MenuButton', MenuButton);
+
+/**
+ * @file track-button.js
+ */
+/**
+ * The base class for buttons that toggle specific track types (e.g. subtitles).
+ *
+ * @extends MenuButton
+ */
+
+var TrackButton = function (_MenuButton) {
+ inherits(TrackButton, _MenuButton);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function TrackButton(player, options) {
+ classCallCheck(this, TrackButton);
+
+ var tracks = options.tracks;
+
+ var _this = possibleConstructorReturn(this, _MenuButton.call(this, player, options));
+
+ if (_this.items.length <= 1) {
+ _this.hide();
+ }
+
+ if (!tracks) {
+ return possibleConstructorReturn(_this);
+ }
+
+ var updateHandler = bind(_this, _this.update);
+
+ tracks.addEventListener('removetrack', updateHandler);
+ tracks.addEventListener('addtrack', updateHandler);
+ _this.player_.on('ready', updateHandler);
+
+ _this.player_.on('dispose', function () {
+ tracks.removeEventListener('removetrack', updateHandler);
+ tracks.removeEventListener('addtrack', updateHandler);
+ });
+ return _this;
+ }
+
+ return TrackButton;
+}(MenuButton);
+
+Component.registerComponent('TrackButton', TrackButton);
+
+/**
+ * @file menu-item.js
+ */
+/**
+ * The component for a menu item. `<li>`
+ *
+ * @extends ClickableComponent
+ */
+
+var MenuItem = function (_ClickableComponent) {
+ inherits(MenuItem, _ClickableComponent);
+
+ /**
+ * Creates an instance of the this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options={}]
+ * The key/value store of player options.
+ *
+ */
+ function MenuItem(player, options) {
+ classCallCheck(this, MenuItem);
+
+ var _this = possibleConstructorReturn(this, _ClickableComponent.call(this, player, options));
+
+ _this.selectable = options.selectable;
+ _this.isSelected_ = options.selected || false;
+
+ _this.selected(_this.isSelected_);
+
+ if (_this.selectable) {
+ // TODO: May need to be either menuitemcheckbox or menuitemradio,
+ // and may need logical grouping of menu items.
+ _this.el_.setAttribute('role', 'menuitemcheckbox');
+ } else {
+ _this.el_.setAttribute('role', 'menuitem');
+ }
+ return _this;
+ }
+
+ /**
+ * Create the `MenuItem's DOM element
+ *
+ * @param {string} [type=li]
+ * Element's node type, not actually used, always set to `li`.
+ *
+ * @param {Object} [props={}]
+ * An object of properties that should be set on the element
+ *
+ * @param {Object} [attrs={}]
+ * An object of attributes that should be set on the element
+ *
+ * @return {Element}
+ * The element that gets created.
+ */
+
+
+ MenuItem.prototype.createEl = function createEl(type, props, attrs) {
+ // The control is textual, not just an icon
+ this.nonIconControl = true;
+
+ return _ClickableComponent.prototype.createEl.call(this, 'li', assign({
+ className: 'vjs-menu-item',
+ innerHTML: '<span class="vjs-menu-item-text">' + this.localize(this.options_.label) + '</span>',
+ tabIndex: -1
+ }, props), attrs);
+ };
+
+ /**
+ * Any click on a `MenuItem` puts int into the selected state.
+ * See {@link ClickableComponent#handleClick} for instances where this is called.
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
+
+
+ MenuItem.prototype.handleClick = function handleClick(event) {
+ this.selected(true);
+ };
+
+ /**
+ * Set the state for this menu item as selected or not.
+ *
+ * @param {boolean} selected
+ * if the menu item is selected or not
+ */
+
+
+ MenuItem.prototype.selected = function selected(_selected) {
+ if (this.selectable) {
+ if (_selected) {
+ this.addClass('vjs-selected');
+ this.el_.setAttribute('aria-checked', 'true');
+ // aria-checked isn't fully supported by browsers/screen readers,
+ // so indicate selected state to screen reader in the control text.
+ this.controlText(', selected');
+ this.isSelected_ = true;
+ } else {
+ this.removeClass('vjs-selected');
+ this.el_.setAttribute('aria-checked', 'false');
+ // Indicate un-selected state to screen reader
+ this.controlText('');
+ this.isSelected_ = false;
+ }
+ }
+ };
+
+ return MenuItem;
+}(ClickableComponent);
+
+Component.registerComponent('MenuItem', MenuItem);
+
+/**
+ * @file text-track-menu-item.js
+ */
+/**
+ * The specific menu item type for selecting a language within a text track kind
+ *
+ * @extends MenuItem
+ */
+
+var TextTrackMenuItem = function (_MenuItem) {
+ inherits(TextTrackMenuItem, _MenuItem);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function TextTrackMenuItem(player, options) {
+ classCallCheck(this, TextTrackMenuItem);
+
+ var track = options.track;
+ var tracks = player.textTracks();
+
+ // Modify options for parent MenuItem class's init.
+ options.label = track.label || track.language || 'Unknown';
+ options.selected = track.mode === 'showing';
+
+ var _this = possibleConstructorReturn(this, _MenuItem.call(this, player, options));
+
+ _this.track = track;
+ var changeHandler = function changeHandler() {
+ for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+ args[_key] = arguments[_key];
+ }
+
+ _this.handleTracksChange.apply(_this, args);
+ };
+ var selectedLanguageChangeHandler = function selectedLanguageChangeHandler() {
+ for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
+ args[_key2] = arguments[_key2];
+ }
+
+ _this.handleSelectedLanguageChange.apply(_this, args);
+ };
+
+ player.on(['loadstart', 'texttrackchange'], changeHandler);
+ tracks.addEventListener('change', changeHandler);
+ tracks.addEventListener('selectedlanguagechange', selectedLanguageChangeHandler);
+ _this.on('dispose', function () {
+ player.off(['loadstart', 'texttrackchange'], changeHandler);
+ tracks.removeEventListener('change', changeHandler);
+ tracks.removeEventListener('selectedlanguagechange', selectedLanguageChangeHandler);
+ });
+
+ // iOS7 doesn't dispatch change events to TextTrackLists when an
+ // associated track's mode changes. Without something like
+ // Object.observe() (also not present on iOS7), it's not
+ // possible to detect changes to the mode attribute and polyfill
+ // the change event. As a poor substitute, we manually dispatch
+ // change events whenever the controls modify the mode.
+ if (tracks.onchange === undefined) {
+ var event = void 0;
+
+ _this.on(['tap', 'click'], function () {
+ if (_typeof(window_1.Event) !== 'object') {
+ // Android 2.3 throws an Illegal Constructor error for window.Event
+ try {
+ event = new window_1.Event('change');
+ } catch (err) {
+ // continue regardless of error
+ }
+ }
+
+ if (!event) {
+ event = document_1.createEvent('Event');
+ event.initEvent('change', true, true);
+ }
+
+ tracks.dispatchEvent(event);
+ });
+ }
+
+ // set the default state based on current tracks
+ _this.handleTracksChange();
+ return _this;
+ }
+
+ /**
+ * This gets called when an `TextTrackMenuItem` is "clicked". See
+ * {@link ClickableComponent} for more detailed information on what a click can be.
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
+
+
+ TextTrackMenuItem.prototype.handleClick = function handleClick(event) {
+ var kind = this.track.kind;
+ var kinds = this.track.kinds;
+ var tracks = this.player_.textTracks();
+
+ if (!kinds) {
+ kinds = [kind];
+ }
+
+ _MenuItem.prototype.handleClick.call(this, event);
+
+ if (!tracks) {
+ return;
+ }
+
+ for (var i = 0; i < tracks.length; i++) {
+ var track = tracks[i];
+
+ if (track === this.track && kinds.indexOf(track.kind) > -1) {
+ if (track.mode !== 'showing') {
+ track.mode = 'showing';
+ }
+ } else if (track.mode !== 'disabled') {
+ track.mode = 'disabled';
+ }
+ }
+ };
+
+ /**
+ * Handle text track list change
+ *
+ * @param {EventTarget~Event} event
+ * The `change` event that caused this function to be called.
+ *
+ * @listens TextTrackList#change
+ */
+
+
+ TextTrackMenuItem.prototype.handleTracksChange = function handleTracksChange(event) {
+ var shouldBeSelected = this.track.mode === 'showing';
+
+ // Prevent redundant selected() calls because they may cause
+ // screen readers to read the appended control text unnecessarily
+ if (shouldBeSelected !== this.isSelected_) {
+ this.selected(shouldBeSelected);
+ }
+ };
+
+ TextTrackMenuItem.prototype.handleSelectedLanguageChange = function handleSelectedLanguageChange(event) {
+ if (this.track.mode === 'showing') {
+ var selectedLanguage = this.player_.cache_.selectedLanguage;
+
+ // Don't replace the kind of track across the same language
+ if (selectedLanguage && selectedLanguage.enabled && selectedLanguage.language === this.track.language && selectedLanguage.kind !== this.track.kind) {
+ return;
+ }
+
+ this.player_.cache_.selectedLanguage = {
+ enabled: true,
+ language: this.track.language,
+ kind: this.track.kind
+ };
+ }
+ };
+
+ TextTrackMenuItem.prototype.dispose = function dispose() {
+ // remove reference to track object on dispose
+ this.track = null;
+
+ _MenuItem.prototype.dispose.call(this);
+ };
+
+ return TextTrackMenuItem;
+}(MenuItem);
+
+Component.registerComponent('TextTrackMenuItem', TextTrackMenuItem);
+
+/**
+ * @file off-text-track-menu-item.js
+ */
+/**
+ * A special menu item for turning of a specific type of text track
+ *
+ * @extends TextTrackMenuItem
+ */
+
+var OffTextTrackMenuItem = function (_TextTrackMenuItem) {
+ inherits(OffTextTrackMenuItem, _TextTrackMenuItem);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function OffTextTrackMenuItem(player, options) {
+ classCallCheck(this, OffTextTrackMenuItem);
+
+ // Create pseudo track info
+ // Requires options['kind']
+ options.track = {
+ player: player,
+ kind: options.kind,
+ kinds: options.kinds,
+ 'default': false,
+ mode: 'disabled'
+ };
+
+ if (!options.kinds) {
+ options.kinds = [options.kind];
+ }
+
+ if (options.label) {
+ options.track.label = options.label;
+ } else {
+ options.track.label = options.kinds.join(' and ') + ' off';
+ }
+
+ // MenuItem is selectable
+ options.selectable = true;
+
+ return possibleConstructorReturn(this, _TextTrackMenuItem.call(this, player, options));
+ }
+
+ /**
+ * Handle text track change
+ *
+ * @param {EventTarget~Event} event
+ * The event that caused this function to run
+ */
+
+
+ OffTextTrackMenuItem.prototype.handleTracksChange = function handleTracksChange(event) {
+ var tracks = this.player().textTracks();
+ var shouldBeSelected = true;
+
+ for (var i = 0, l = tracks.length; i < l; i++) {
+ var track = tracks[i];
+
+ if (this.options_.kinds.indexOf(track.kind) > -1 && track.mode === 'showing') {
+ shouldBeSelected = false;
+ break;
+ }
+ }
+
+ // Prevent redundant selected() calls because they may cause
+ // screen readers to read the appended control text unnecessarily
+ if (shouldBeSelected !== this.isSelected_) {
+ this.selected(shouldBeSelected);
+ }
+ };
+
+ OffTextTrackMenuItem.prototype.handleSelectedLanguageChange = function handleSelectedLanguageChange(event) {
+ var tracks = this.player().textTracks();
+ var allHidden = true;
+
+ for (var i = 0, l = tracks.length; i < l; i++) {
+ var track = tracks[i];
+
+ if (['captions', 'descriptions', 'subtitles'].indexOf(track.kind) > -1 && track.mode === 'showing') {
+ allHidden = false;
+ break;
+ }
+ }
+
+ if (allHidden) {
+ this.player_.cache_.selectedLanguage = {
+ enabled: false
+ };
+ }
+ };
+
+ return OffTextTrackMenuItem;
+}(TextTrackMenuItem);
+
+Component.registerComponent('OffTextTrackMenuItem', OffTextTrackMenuItem);
+
+/**
+ * @file text-track-button.js
+ */
+/**
+ * The base class for buttons that toggle specific text track types (e.g. subtitles)
+ *
+ * @extends MenuButton
+ */
+
+var TextTrackButton = function (_TrackButton) {
+ inherits(TextTrackButton, _TrackButton);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options={}]
+ * The key/value store of player options.
+ */
+ function TextTrackButton(player) {
+ var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ classCallCheck(this, TextTrackButton);
+
+ options.tracks = player.textTracks();
+
+ return possibleConstructorReturn(this, _TrackButton.call(this, player, options));
+ }
+
+ /**
+ * Create a menu item for each text track
+ *
+ * @param {TextTrackMenuItem[]} [items=[]]
+ * Existing array of items to use during creation
+ *
+ * @return {TextTrackMenuItem[]}
+ * Array of menu items that were created
+ */
+
+
+ TextTrackButton.prototype.createItems = function createItems() {
+ var items = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
+ var TrackMenuItem = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : TextTrackMenuItem;
+
+
+ // Label is an overide for the [track] off label
+ // USed to localise captions/subtitles
+ var label = void 0;
+
+ if (this.label_) {
+ label = this.label_ + ' off';
+ }
+ // Add an OFF menu item to turn all tracks off
+ items.push(new OffTextTrackMenuItem(this.player_, {
+ kinds: this.kinds_,
+ kind: this.kind_,
+ label: label
+ }));
+
+ this.hideThreshold_ += 1;
+
+ var tracks = this.player_.textTracks();
+
+ if (!Array.isArray(this.kinds_)) {
+ this.kinds_ = [this.kind_];
+ }
+
+ for (var i = 0; i < tracks.length; i++) {
+ var track = tracks[i];
+
+ // only add tracks that are of an appropriate kind and have a label
+ if (this.kinds_.indexOf(track.kind) > -1) {
+
+ var item = new TrackMenuItem(this.player_, {
+ track: track,
+ // MenuItem is selectable
+ selectable: true
+ });
+
+ item.addClass('vjs-' + track.kind + '-menu-item');
+ items.push(item);
+ }
+ }
+
+ return items;
+ };
+
+ return TextTrackButton;
+}(TrackButton);
+
+Component.registerComponent('TextTrackButton', TextTrackButton);
+
+/**
+ * @file chapters-track-menu-item.js
+ */
+/**
+ * The chapter track menu item
+ *
+ * @extends MenuItem
+ */
+
+var ChaptersTrackMenuItem = function (_MenuItem) {
+ inherits(ChaptersTrackMenuItem, _MenuItem);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function ChaptersTrackMenuItem(player, options) {
+ classCallCheck(this, ChaptersTrackMenuItem);
+
+ var track = options.track;
+ var cue = options.cue;
+ var currentTime = player.currentTime();
+
+ // Modify options for parent MenuItem class's init.
+ options.selectable = true;
+ options.label = cue.text;
+ options.selected = cue.startTime <= currentTime && currentTime < cue.endTime;
+
+ var _this = possibleConstructorReturn(this, _MenuItem.call(this, player, options));
+
+ _this.track = track;
+ _this.cue = cue;
+ track.addEventListener('cuechange', bind(_this, _this.update));
+ return _this;
+ }
+
+ /**
+ * This gets called when an `ChaptersTrackMenuItem` is "clicked". See
+ * {@link ClickableComponent} for more detailed information on what a click can be.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
+
+
+ ChaptersTrackMenuItem.prototype.handleClick = function handleClick(event) {
+ _MenuItem.prototype.handleClick.call(this);
+ this.player_.currentTime(this.cue.startTime);
+ this.update(this.cue.startTime);
+ };
+
+ /**
+ * Update chapter menu item
+ *
+ * @param {EventTarget~Event} [event]
+ * The `cuechange` event that caused this function to run.
+ *
+ * @listens TextTrack#cuechange
+ */
+
+
+ ChaptersTrackMenuItem.prototype.update = function update(event) {
+ var cue = this.cue;
+ var currentTime = this.player_.currentTime();
+
+ // vjs.log(currentTime, cue.startTime);
+ this.selected(cue.startTime <= currentTime && currentTime < cue.endTime);
+ };
+
+ return ChaptersTrackMenuItem;
+}(MenuItem);
+
+Component.registerComponent('ChaptersTrackMenuItem', ChaptersTrackMenuItem);
+
+/**
+ * @file chapters-button.js
+ */
+/**
+ * The button component for toggling and selecting chapters
+ * Chapters act much differently than other text tracks
+ * Cues are navigation vs. other tracks of alternative languages
+ *
+ * @extends TextTrackButton
+ */
+
+var ChaptersButton = function (_TextTrackButton) {
+ inherits(ChaptersButton, _TextTrackButton);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ *
+ * @param {Component~ReadyCallback} [ready]
+ * The function to call when this function is ready.
+ */
+ function ChaptersButton(player, options, ready) {
+ classCallCheck(this, ChaptersButton);
+ return possibleConstructorReturn(this, _TextTrackButton.call(this, player, options, ready));
+ }
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ ChaptersButton.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-chapters-button ' + _TextTrackButton.prototype.buildCSSClass.call(this);
+ };
+
+ ChaptersButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
+ return 'vjs-chapters-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
+ };
+
+ /**
+ * Update the menu based on the current state of its items.
+ *
+ * @param {EventTarget~Event} [event]
+ * An event that triggered this function to run.
+ *
+ * @listens TextTrackList#addtrack
+ * @listens TextTrackList#removetrack
+ * @listens TextTrackList#change
+ */
+
+
+ ChaptersButton.prototype.update = function update(event) {
+ if (!this.track_ || event && (event.type === 'addtrack' || event.type === 'removetrack')) {
+ this.setTrack(this.findChaptersTrack());
+ }
+ _TextTrackButton.prototype.update.call(this);
+ };
+
+ /**
+ * Set the currently selected track for the chapters button.
+ *
+ * @param {TextTrack} track
+ * The new track to select. Nothing will change if this is the currently selected
+ * track.
+ */
+
+
+ ChaptersButton.prototype.setTrack = function setTrack(track) {
+ if (this.track_ === track) {
+ return;
+ }
+
+ if (!this.updateHandler_) {
+ this.updateHandler_ = this.update.bind(this);
+ }
+
+ // here this.track_ refers to the old track instance
+ if (this.track_) {
+ var remoteTextTrackEl = this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_);
+
+ if (remoteTextTrackEl) {
+ remoteTextTrackEl.removeEventListener('load', this.updateHandler_);
+ }
+
+ this.track_ = null;
+ }
+
+ this.track_ = track;
+
+ // here this.track_ refers to the new track instance
+ if (this.track_) {
+ this.track_.mode = 'hidden';
+
+ var _remoteTextTrackEl = this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_);
+
+ if (_remoteTextTrackEl) {
+ _remoteTextTrackEl.addEventListener('load', this.updateHandler_);
+ }
+ }
+ };
+
+ /**
+ * Find the track object that is currently in use by this ChaptersButton
+ *
+ * @return {TextTrack|undefined}
+ * The current track or undefined if none was found.
+ */
+
+
+ ChaptersButton.prototype.findChaptersTrack = function findChaptersTrack() {
+ var tracks = this.player_.textTracks() || [];
+
+ for (var i = tracks.length - 1; i >= 0; i--) {
+ // We will always choose the last track as our chaptersTrack
+ var track = tracks[i];
+
+ if (track.kind === this.kind_) {
+ return track;
+ }
+ }
+ };
+
+ /**
+ * Get the caption for the ChaptersButton based on the track label. This will also
+ * use the current tracks localized kind as a fallback if a label does not exist.
+ *
+ * @return {string}
+ * The tracks current label or the localized track kind.
+ */
+
+
+ ChaptersButton.prototype.getMenuCaption = function getMenuCaption() {
+ if (this.track_ && this.track_.label) {
+ return this.track_.label;
+ }
+ return this.localize(toTitleCase(this.kind_));
+ };
+
+ /**
+ * Create menu from chapter track
+ *
+ * @return {Menu}
+ * New menu for the chapter buttons
+ */
+
+
+ ChaptersButton.prototype.createMenu = function createMenu() {
+ this.options_.title = this.getMenuCaption();
+ return _TextTrackButton.prototype.createMenu.call(this);
+ };
+
+ /**
+ * Create a menu item for each text track
+ *
+ * @return {TextTrackMenuItem[]}
+ * Array of menu items
+ */
+
+
+ ChaptersButton.prototype.createItems = function createItems() {
+ var items = [];
+
+ if (!this.track_) {
+ return items;
+ }
+
+ var cues = this.track_.cues;
+
+ if (!cues) {
+ return items;
+ }
+
+ for (var i = 0, l = cues.length; i < l; i++) {
+ var cue = cues[i];
+ var mi = new ChaptersTrackMenuItem(this.player_, { track: this.track_, cue: cue });
+
+ items.push(mi);
+ }
+
+ return items;
+ };
+
+ return ChaptersButton;
+}(TextTrackButton);
+
+/**
+ * `kind` of TextTrack to look for to associate it with this menu.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+ChaptersButton.prototype.kind_ = 'chapters';
+
+/**
+ * The text that should display over the `ChaptersButton`s controls. Added for localization.
+ *
+ * @type {string}
+ * @private
+ */
+ChaptersButton.prototype.controlText_ = 'Chapters';
+
+Component.registerComponent('ChaptersButton', ChaptersButton);
+
+/**
+ * @file descriptions-button.js
+ */
+/**
+ * The button component for toggling and selecting descriptions
+ *
+ * @extends TextTrackButton
+ */
+
+var DescriptionsButton = function (_TextTrackButton) {
+ inherits(DescriptionsButton, _TextTrackButton);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ *
+ * @param {Component~ReadyCallback} [ready]
+ * The function to call when this component is ready.
+ */
+ function DescriptionsButton(player, options, ready) {
+ classCallCheck(this, DescriptionsButton);
+
+ var _this = possibleConstructorReturn(this, _TextTrackButton.call(this, player, options, ready));
+
+ var tracks = player.textTracks();
+ var changeHandler = bind(_this, _this.handleTracksChange);
+
+ tracks.addEventListener('change', changeHandler);
+ _this.on('dispose', function () {
+ tracks.removeEventListener('change', changeHandler);
+ });
+ return _this;
+ }
+
+ /**
+ * Handle text track change
+ *
+ * @param {EventTarget~Event} event
+ * The event that caused this function to run
+ *
+ * @listens TextTrackList#change
+ */
+
+
+ DescriptionsButton.prototype.handleTracksChange = function handleTracksChange(event) {
+ var tracks = this.player().textTracks();
+ var disabled = false;
+
+ // Check whether a track of a different kind is showing
+ for (var i = 0, l = tracks.length; i < l; i++) {
+ var track = tracks[i];
+
+ if (track.kind !== this.kind_ && track.mode === 'showing') {
+ disabled = true;
+ break;
+ }
+ }
+
+ // If another track is showing, disable this menu button
+ if (disabled) {
+ this.disable();
+ } else {
+ this.enable();
+ }
+ };
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ DescriptionsButton.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-descriptions-button ' + _TextTrackButton.prototype.buildCSSClass.call(this);
+ };
+
+ DescriptionsButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
+ return 'vjs-descriptions-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
+ };
+
+ return DescriptionsButton;
+}(TextTrackButton);
+
+/**
+ * `kind` of TextTrack to look for to associate it with this menu.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+DescriptionsButton.prototype.kind_ = 'descriptions';
+
+/**
+ * The text that should display over the `DescriptionsButton`s controls. Added for localization.
+ *
+ * @type {string}
+ * @private
+ */
+DescriptionsButton.prototype.controlText_ = 'Descriptions';
+
+Component.registerComponent('DescriptionsButton', DescriptionsButton);
+
+/**
+ * @file subtitles-button.js
+ */
+/**
+ * The button component for toggling and selecting subtitles
+ *
+ * @extends TextTrackButton
+ */
+
+var SubtitlesButton = function (_TextTrackButton) {
+ inherits(SubtitlesButton, _TextTrackButton);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ *
+ * @param {Component~ReadyCallback} [ready]
+ * The function to call when this component is ready.
+ */
+ function SubtitlesButton(player, options, ready) {
+ classCallCheck(this, SubtitlesButton);
+ return possibleConstructorReturn(this, _TextTrackButton.call(this, player, options, ready));
+ }
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ SubtitlesButton.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-subtitles-button ' + _TextTrackButton.prototype.buildCSSClass.call(this);
+ };
+
+ SubtitlesButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
+ return 'vjs-subtitles-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
+ };
+
+ return SubtitlesButton;
+}(TextTrackButton);
+
+/**
+ * `kind` of TextTrack to look for to associate it with this menu.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+SubtitlesButton.prototype.kind_ = 'subtitles';
+
+/**
+ * The text that should display over the `SubtitlesButton`s controls. Added for localization.
+ *
+ * @type {string}
+ * @private
+ */
+SubtitlesButton.prototype.controlText_ = 'Subtitles';
+
+Component.registerComponent('SubtitlesButton', SubtitlesButton);
+
+/**
+ * @file caption-settings-menu-item.js
+ */
+/**
+ * The menu item for caption track settings menu
+ *
+ * @extends TextTrackMenuItem
+ */
+
+var CaptionSettingsMenuItem = function (_TextTrackMenuItem) {
+ inherits(CaptionSettingsMenuItem, _TextTrackMenuItem);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function CaptionSettingsMenuItem(player, options) {
+ classCallCheck(this, CaptionSettingsMenuItem);
+
+ options.track = {
+ player: player,
+ kind: options.kind,
+ label: options.kind + ' settings',
+ selectable: false,
+ 'default': false,
+ mode: 'disabled'
+ };
+
+ // CaptionSettingsMenuItem has no concept of 'selected'
+ options.selectable = false;
+
+ options.name = 'CaptionSettingsMenuItem';
+
+ var _this = possibleConstructorReturn(this, _TextTrackMenuItem.call(this, player, options));
+
+ _this.addClass('vjs-texttrack-settings');
+ _this.controlText(', opens ' + options.kind + ' settings dialog');
+ return _this;
+ }
+
+ /**
+ * This gets called when an `CaptionSettingsMenuItem` is "clicked". See
+ * {@link ClickableComponent} for more detailed information on what a click can be.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
+
+
+ CaptionSettingsMenuItem.prototype.handleClick = function handleClick(event) {
+ this.player().getChild('textTrackSettings').open();
+ };
+
+ return CaptionSettingsMenuItem;
+}(TextTrackMenuItem);
+
+Component.registerComponent('CaptionSettingsMenuItem', CaptionSettingsMenuItem);
+
+/**
+ * @file captions-button.js
+ */
+/**
+ * The button component for toggling and selecting captions
+ *
+ * @extends TextTrackButton
+ */
+
+var CaptionsButton = function (_TextTrackButton) {
+ inherits(CaptionsButton, _TextTrackButton);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ *
+ * @param {Component~ReadyCallback} [ready]
+ * The function to call when this component is ready.
+ */
+ function CaptionsButton(player, options, ready) {
+ classCallCheck(this, CaptionsButton);
+ return possibleConstructorReturn(this, _TextTrackButton.call(this, player, options, ready));
+ }
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ CaptionsButton.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-captions-button ' + _TextTrackButton.prototype.buildCSSClass.call(this);
+ };
+
+ CaptionsButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
+ return 'vjs-captions-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
+ };
+
+ /**
+ * Create caption menu items
+ *
+ * @return {CaptionSettingsMenuItem[]}
+ * The array of current menu items.
+ */
+
+
+ CaptionsButton.prototype.createItems = function createItems() {
+ var items = [];
+
+ if (!(this.player().tech_ && this.player().tech_.featuresNativeTextTracks)) {
+ items.push(new CaptionSettingsMenuItem(this.player_, { kind: this.kind_ }));
+
+ this.hideThreshold_ += 1;
+ }
+
+ return _TextTrackButton.prototype.createItems.call(this, items);
+ };
+
+ return CaptionsButton;
+}(TextTrackButton);
+
+/**
+ * `kind` of TextTrack to look for to associate it with this menu.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+CaptionsButton.prototype.kind_ = 'captions';
+
+/**
+ * The text that should display over the `CaptionsButton`s controls. Added for localization.
+ *
+ * @type {string}
+ * @private
+ */
+CaptionsButton.prototype.controlText_ = 'Captions';
+
+Component.registerComponent('CaptionsButton', CaptionsButton);
+
+/**
+ * @file subs-caps-menu-item.js
+ */
+/**
+ * SubsCapsMenuItem has an [cc] icon to distinguish captions from subtitles
+ * in the SubsCapsMenu.
+ *
+ * @extends TextTrackMenuItem
+ */
+
+var SubsCapsMenuItem = function (_TextTrackMenuItem) {
+ inherits(SubsCapsMenuItem, _TextTrackMenuItem);
+
+ function SubsCapsMenuItem() {
+ classCallCheck(this, SubsCapsMenuItem);
+ return possibleConstructorReturn(this, _TextTrackMenuItem.apply(this, arguments));
+ }
+
+ SubsCapsMenuItem.prototype.createEl = function createEl(type, props, attrs) {
+ var innerHTML = '<span class="vjs-menu-item-text">' + this.localize(this.options_.label);
+
+ if (this.options_.track.kind === 'captions') {
+ innerHTML += '\n <span aria-hidden="true" class="vjs-icon-placeholder"></span>\n <span class="vjs-control-text"> ' + this.localize('Captions') + '</span>\n ';
+ }
+
+ innerHTML += '</span>';
+
+ var el = _TextTrackMenuItem.prototype.createEl.call(this, type, assign({
+ innerHTML: innerHTML
+ }, props), attrs);
+
+ return el;
+ };
+
+ return SubsCapsMenuItem;
+}(TextTrackMenuItem);
+
+Component.registerComponent('SubsCapsMenuItem', SubsCapsMenuItem);
+
+/**
+ * @file sub-caps-button.js
+ */
+/**
+ * The button component for toggling and selecting captions and/or subtitles
+ *
+ * @extends TextTrackButton
+ */
+
+var SubsCapsButton = function (_TextTrackButton) {
+ inherits(SubsCapsButton, _TextTrackButton);
+
+ function SubsCapsButton(player) {
+ var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ classCallCheck(this, SubsCapsButton);
+
+ // Although North America uses "captions" in most cases for
+ // "captions and subtitles" other locales use "subtitles"
+ var _this = possibleConstructorReturn(this, _TextTrackButton.call(this, player, options));
+
+ _this.label_ = 'subtitles';
+ if (['en', 'en-us', 'en-ca', 'fr-ca'].indexOf(_this.player_.language_) > -1) {
+ _this.label_ = 'captions';
+ }
+ _this.menuButton_.controlText(toTitleCase(_this.label_));
+ return _this;
+ }
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ SubsCapsButton.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-subs-caps-button ' + _TextTrackButton.prototype.buildCSSClass.call(this);
+ };
+
+ SubsCapsButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
+ return 'vjs-subs-caps-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
+ };
+
+ /**
+ * Create caption/subtitles menu items
+ *
+ * @return {CaptionSettingsMenuItem[]}
+ * The array of current menu items.
+ */
+
+
+ SubsCapsButton.prototype.createItems = function createItems() {
+ var items = [];
+
+ if (!(this.player().tech_ && this.player().tech_.featuresNativeTextTracks)) {
+ items.push(new CaptionSettingsMenuItem(this.player_, { kind: this.label_ }));
+
+ this.hideThreshold_ += 1;
+ }
+
+ items = _TextTrackButton.prototype.createItems.call(this, items, SubsCapsMenuItem);
+ return items;
+ };
+
+ return SubsCapsButton;
+}(TextTrackButton);
+
+/**
+ * `kind`s of TextTrack to look for to associate it with this menu.
+ *
+ * @type {array}
+ * @private
+ */
+
+
+SubsCapsButton.prototype.kinds_ = ['captions', 'subtitles'];
+
+/**
+ * The text that should display over the `SubsCapsButton`s controls.
+ *
+ *
+ * @type {string}
+ * @private
+ */
+SubsCapsButton.prototype.controlText_ = 'Subtitles';
+
+Component.registerComponent('SubsCapsButton', SubsCapsButton);
+
+/**
+ * @file audio-track-menu-item.js
+ */
+/**
+ * An {@link AudioTrack} {@link MenuItem}
+ *
+ * @extends MenuItem
+ */
+
+var AudioTrackMenuItem = function (_MenuItem) {
+ inherits(AudioTrackMenuItem, _MenuItem);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function AudioTrackMenuItem(player, options) {
+ classCallCheck(this, AudioTrackMenuItem);
+
+ var track = options.track;
+ var tracks = player.audioTracks();
+
+ // Modify options for parent MenuItem class's init.
+ options.label = track.label || track.language || 'Unknown';
+ options.selected = track.enabled;
+
+ var _this = possibleConstructorReturn(this, _MenuItem.call(this, player, options));
+
+ _this.track = track;
+
+ var changeHandler = function changeHandler() {
+ for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+ args[_key] = arguments[_key];
+ }
+
+ _this.handleTracksChange.apply(_this, args);
+ };
+
+ tracks.addEventListener('change', changeHandler);
+ _this.on('dispose', function () {
+ tracks.removeEventListener('change', changeHandler);
+ });
+ return _this;
+ }
+
+ /**
+ * This gets called when an `AudioTrackMenuItem is "clicked". See {@link ClickableComponent}
+ * for more detailed information on what a click can be.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
+
+
+ AudioTrackMenuItem.prototype.handleClick = function handleClick(event) {
+ var tracks = this.player_.audioTracks();
+
+ _MenuItem.prototype.handleClick.call(this, event);
+
+ for (var i = 0; i < tracks.length; i++) {
+ var track = tracks[i];
+
+ track.enabled = track === this.track;
+ }
+ };
+
+ /**
+ * Handle any {@link AudioTrack} change.
+ *
+ * @param {EventTarget~Event} [event]
+ * The {@link AudioTrackList#change} event that caused this to run.
+ *
+ * @listens AudioTrackList#change
+ */
+
+
+ AudioTrackMenuItem.prototype.handleTracksChange = function handleTracksChange(event) {
+ this.selected(this.track.enabled);
+ };
+
+ return AudioTrackMenuItem;
+}(MenuItem);
+
+Component.registerComponent('AudioTrackMenuItem', AudioTrackMenuItem);
+
+/**
+ * @file audio-track-button.js
+ */
+/**
+ * The base class for buttons that toggle specific {@link AudioTrack} types.
+ *
+ * @extends TrackButton
+ */
+
+var AudioTrackButton = function (_TrackButton) {
+ inherits(AudioTrackButton, _TrackButton);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options={}]
+ * The key/value store of player options.
+ */
+ function AudioTrackButton(player) {
+ var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ classCallCheck(this, AudioTrackButton);
+
+ options.tracks = player.audioTracks();
+
+ return possibleConstructorReturn(this, _TrackButton.call(this, player, options));
+ }
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ AudioTrackButton.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-audio-button ' + _TrackButton.prototype.buildCSSClass.call(this);
+ };
+
+ AudioTrackButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
+ return 'vjs-audio-button ' + _TrackButton.prototype.buildWrapperCSSClass.call(this);
+ };
+
+ /**
+ * Create a menu item for each audio track
+ *
+ * @param {AudioTrackMenuItem[]} [items=[]]
+ * An array of existing menu items to use.
+ *
+ * @return {AudioTrackMenuItem[]}
+ * An array of menu items
+ */
+
+
+ AudioTrackButton.prototype.createItems = function createItems() {
+ var items = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
+
+ // if there's only one audio track, there no point in showing it
+ this.hideThreshold_ = 1;
+
+ var tracks = this.player_.audioTracks();
+
+ for (var i = 0; i < tracks.length; i++) {
+ var track = tracks[i];
+
+ items.push(new AudioTrackMenuItem(this.player_, {
+ track: track,
+ // MenuItem is selectable
+ selectable: true
+ }));
+ }
+
+ return items;
+ };
+
+ return AudioTrackButton;
+}(TrackButton);
+
+/**
+ * The text that should display over the `AudioTrackButton`s controls. Added for localization.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+AudioTrackButton.prototype.controlText_ = 'Audio Track';
+Component.registerComponent('AudioTrackButton', AudioTrackButton);
+
+/**
+ * @file playback-rate-menu-item.js
+ */
+/**
+ * The specific menu item type for selecting a playback rate.
+ *
+ * @extends MenuItem
+ */
+
+var PlaybackRateMenuItem = function (_MenuItem) {
+ inherits(PlaybackRateMenuItem, _MenuItem);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function PlaybackRateMenuItem(player, options) {
+ classCallCheck(this, PlaybackRateMenuItem);
+
+ var label = options.rate;
+ var rate = parseFloat(label, 10);
+
+ // Modify options for parent MenuItem class's init.
+ options.label = label;
+ options.selected = rate === 1;
+ options.selectable = true;
+
+ var _this = possibleConstructorReturn(this, _MenuItem.call(this, player, options));
+
+ _this.label = label;
+ _this.rate = rate;
+
+ _this.on(player, 'ratechange', _this.update);
+ return _this;
+ }
+
+ /**
+ * This gets called when an `PlaybackRateMenuItem` is "clicked". See
+ * {@link ClickableComponent} for more detailed information on what a click can be.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
+
+
+ PlaybackRateMenuItem.prototype.handleClick = function handleClick(event) {
+ _MenuItem.prototype.handleClick.call(this);
+ this.player().playbackRate(this.rate);
+ };
+
+ /**
+ * Update the PlaybackRateMenuItem when the playbackrate changes.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `ratechange` event that caused this function to run.
+ *
+ * @listens Player#ratechange
+ */
+
+
+ PlaybackRateMenuItem.prototype.update = function update(event) {
+ this.selected(this.player().playbackRate() === this.rate);
+ };
+
+ return PlaybackRateMenuItem;
+}(MenuItem);
+
+/**
+ * The text that should display over the `PlaybackRateMenuItem`s controls. Added for localization.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+PlaybackRateMenuItem.prototype.contentElType = 'button';
+
+Component.registerComponent('PlaybackRateMenuItem', PlaybackRateMenuItem);
+
+/**
+ * @file playback-rate-menu-button.js
+ */
+/**
+ * The component for controlling the playback rate.
+ *
+ * @extends MenuButton
+ */
+
+var PlaybackRateMenuButton = function (_MenuButton) {
+ inherits(PlaybackRateMenuButton, _MenuButton);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function PlaybackRateMenuButton(player, options) {
+ classCallCheck(this, PlaybackRateMenuButton);
+
+ var _this = possibleConstructorReturn(this, _MenuButton.call(this, player, options));
+
+ _this.updateVisibility();
+ _this.updateLabel();
+
+ _this.on(player, 'loadstart', _this.updateVisibility);
+ _this.on(player, 'ratechange', _this.updateLabel);
+ return _this;
+ }
+
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+
+
+ PlaybackRateMenuButton.prototype.createEl = function createEl$$1() {
+ var el = _MenuButton.prototype.createEl.call(this);
+
+ this.labelEl_ = createEl('div', {
+ className: 'vjs-playback-rate-value',
+ innerHTML: '1x'
+ });
+
+ el.appendChild(this.labelEl_);
+
+ return el;
+ };
+
+ PlaybackRateMenuButton.prototype.dispose = function dispose() {
+ this.labelEl_ = null;
+
+ _MenuButton.prototype.dispose.call(this);
+ };
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ PlaybackRateMenuButton.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-playback-rate ' + _MenuButton.prototype.buildCSSClass.call(this);
+ };
+
+ PlaybackRateMenuButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
+ return 'vjs-playback-rate ' + _MenuButton.prototype.buildWrapperCSSClass.call(this);
+ };
+
+ /**
+ * Create the playback rate menu
+ *
+ * @return {Menu}
+ * Menu object populated with {@link PlaybackRateMenuItem}s
+ */
+
+
+ PlaybackRateMenuButton.prototype.createMenu = function createMenu() {
+ var menu = new Menu(this.player());
+ var rates = this.playbackRates();
+
+ if (rates) {
+ for (var i = rates.length - 1; i >= 0; i--) {
+ menu.addChild(new PlaybackRateMenuItem(this.player(), { rate: rates[i] + 'x' }));
+ }
+ }
+
+ return menu;
+ };
+
+ /**
+ * Updates ARIA accessibility attributes
+ */
+
+
+ PlaybackRateMenuButton.prototype.updateARIAAttributes = function updateARIAAttributes() {
+ // Current playback rate
+ this.el().setAttribute('aria-valuenow', this.player().playbackRate());
+ };
+
+ /**
+ * This gets called when an `PlaybackRateMenuButton` is "clicked". See
+ * {@link ClickableComponent} for more detailed information on what a click can be.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
+
+
+ PlaybackRateMenuButton.prototype.handleClick = function handleClick(event) {
+ // select next rate option
+ var currentRate = this.player().playbackRate();
+ var rates = this.playbackRates();
+
+ // this will select first one if the last one currently selected
+ var newRate = rates[0];
+
+ for (var i = 0; i < rates.length; i++) {
+ if (rates[i] > currentRate) {
+ newRate = rates[i];
+ break;
+ }
+ }
+ this.player().playbackRate(newRate);
+ };
+
+ /**
+ * Get possible playback rates
+ *
+ * @return {Array}
+ * All possible playback rates
+ */
+
+
+ PlaybackRateMenuButton.prototype.playbackRates = function playbackRates() {
+ return this.options_.playbackRates || this.options_.playerOptions && this.options_.playerOptions.playbackRates;
+ };
+
+ /**
+ * Get whether playback rates is supported by the tech
+ * and an array of playback rates exists
+ *
+ * @return {boolean}
+ * Whether changing playback rate is supported
+ */
+
+
+ PlaybackRateMenuButton.prototype.playbackRateSupported = function playbackRateSupported() {
+ return this.player().tech_ && this.player().tech_.featuresPlaybackRate && this.playbackRates() && this.playbackRates().length > 0;
+ };
+
+ /**
+ * Hide playback rate controls when they're no playback rate options to select
+ *
+ * @param {EventTarget~Event} [event]
+ * The event that caused this function to run.
+ *
+ * @listens Player#loadstart
+ */
+
+
+ PlaybackRateMenuButton.prototype.updateVisibility = function updateVisibility(event) {
+ if (this.playbackRateSupported()) {
+ this.removeClass('vjs-hidden');
+ } else {
+ this.addClass('vjs-hidden');
+ }
+ };
+
+ /**
+ * Update button label when rate changed
+ *
+ * @param {EventTarget~Event} [event]
+ * The event that caused this function to run.
+ *
+ * @listens Player#ratechange
+ */
+
+
+ PlaybackRateMenuButton.prototype.updateLabel = function updateLabel(event) {
+ if (this.playbackRateSupported()) {
+ this.labelEl_.innerHTML = this.player().playbackRate() + 'x';
+ }
+ };
+
+ return PlaybackRateMenuButton;
+}(MenuButton);
+
+/**
+ * The text that should display over the `FullscreenToggle`s controls. Added for localization.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+PlaybackRateMenuButton.prototype.controlText_ = 'Playback Rate';
+
+Component.registerComponent('PlaybackRateMenuButton', PlaybackRateMenuButton);
+
+/**
+ * @file spacer.js
+ */
+/**
+ * Just an empty spacer element that can be used as an append point for plugins, etc.
+ * Also can be used to create space between elements when necessary.
+ *
+ * @extends Component
+ */
+
+var Spacer = function (_Component) {
+ inherits(Spacer, _Component);
+
+ function Spacer() {
+ classCallCheck(this, Spacer);
+ return possibleConstructorReturn(this, _Component.apply(this, arguments));
+ }
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+ Spacer.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-spacer ' + _Component.prototype.buildCSSClass.call(this);
+ };
+
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+
+
+ Spacer.prototype.createEl = function createEl() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: this.buildCSSClass()
+ });
+ };
+
+ return Spacer;
+}(Component);
+
+Component.registerComponent('Spacer', Spacer);
+
+/**
+ * @file custom-control-spacer.js
+ */
+/**
+ * Spacer specifically meant to be used as an insertion point for new plugins, etc.
+ *
+ * @extends Spacer
+ */
+
+var CustomControlSpacer = function (_Spacer) {
+ inherits(CustomControlSpacer, _Spacer);
+
+ function CustomControlSpacer() {
+ classCallCheck(this, CustomControlSpacer);
+ return possibleConstructorReturn(this, _Spacer.apply(this, arguments));
+ }
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+ CustomControlSpacer.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-custom-control-spacer ' + _Spacer.prototype.buildCSSClass.call(this);
+ };
+
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+
+
+ CustomControlSpacer.prototype.createEl = function createEl() {
+ var el = _Spacer.prototype.createEl.call(this, {
+ className: this.buildCSSClass()
+ });
+
+ // No-flex/table-cell mode requires there be some content
+ // in the cell to fill the remaining space of the table.
+ el.innerHTML = '\xA0';
+ return el;
+ };
+
+ return CustomControlSpacer;
+}(Spacer);
+
+Component.registerComponent('CustomControlSpacer', CustomControlSpacer);
+
+/**
+ * @file control-bar.js
+ */
+// Required children
+/**
+ * Container of main controls.
+ *
+ * @extends Component
+ */
+
+var ControlBar = function (_Component) {
+ inherits(ControlBar, _Component);
+
+ function ControlBar() {
+ classCallCheck(this, ControlBar);
+ return possibleConstructorReturn(this, _Component.apply(this, arguments));
+ }
+
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+ ControlBar.prototype.createEl = function createEl() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-control-bar',
+ dir: 'ltr'
+ }, {
+ // The control bar is a group, but we don't aria-label it to avoid
+ // over-announcing by JAWS
+ role: 'group'
+ });
+ };
+
+ return ControlBar;
+}(Component);
+
+/**
+ * Default options for `ControlBar`
+ *
+ * @type {Object}
+ * @private
+ */
+
+
+ControlBar.prototype.options_ = {
+ children: ['playToggle', 'volumePanel', 'currentTimeDisplay', 'timeDivider', 'durationDisplay', 'progressControl', 'liveDisplay', 'remainingTimeDisplay', 'customControlSpacer', 'playbackRateMenuButton', 'chaptersButton', 'descriptionsButton', 'subsCapsButton', 'audioTrackButton', 'fullscreenToggle']
+};
+
+Component.registerComponent('ControlBar', ControlBar);
+
+/**
+ * @file error-display.js
+ */
+/**
+ * A display that indicates an error has occurred. This means that the video
+ * is unplayable.
+ *
+ * @extends ModalDialog
+ */
+
+var ErrorDisplay = function (_ModalDialog) {
+ inherits(ErrorDisplay, _ModalDialog);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function ErrorDisplay(player, options) {
+ classCallCheck(this, ErrorDisplay);
+
+ var _this = possibleConstructorReturn(this, _ModalDialog.call(this, player, options));
+
+ _this.on(player, 'error', _this.open);
+ return _this;
+ }
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ *
+ * @deprecated Since version 5.
+ */
+
+
+ ErrorDisplay.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-error-display ' + _ModalDialog.prototype.buildCSSClass.call(this);
+ };
+
+ /**
+ * Gets the localized error message based on the `Player`s error.
+ *
+ * @return {string}
+ * The `Player`s error message localized or an empty string.
+ */
+
+
+ ErrorDisplay.prototype.content = function content() {
+ var error = this.player().error();
+
+ return error ? this.localize(error.message) : '';
+ };
+
+ return ErrorDisplay;
+}(ModalDialog);
+
+/**
+ * The default options for an `ErrorDisplay`.
+ *
+ * @private
+ */
+
+
+ErrorDisplay.prototype.options_ = mergeOptions(ModalDialog.prototype.options_, {
+ pauseOnOpen: false,
+ fillAlways: true,
+ temporary: false,
+ uncloseable: true
+});
+
+Component.registerComponent('ErrorDisplay', ErrorDisplay);
+
+/**
+ * @file text-track-settings.js
+ */
+var LOCAL_STORAGE_KEY = 'vjs-text-track-settings';
+
+var COLOR_BLACK = ['#000', 'Black'];
+var COLOR_BLUE = ['#00F', 'Blue'];
+var COLOR_CYAN = ['#0FF', 'Cyan'];
+var COLOR_GREEN = ['#0F0', 'Green'];
+var COLOR_MAGENTA = ['#F0F', 'Magenta'];
+var COLOR_RED = ['#F00', 'Red'];
+var COLOR_WHITE = ['#FFF', 'White'];
+var COLOR_YELLOW = ['#FF0', 'Yellow'];
+
+var OPACITY_OPAQUE = ['1', 'Opaque'];
+var OPACITY_SEMI = ['0.5', 'Semi-Transparent'];
+var OPACITY_TRANS = ['0', 'Transparent'];
+
+// Configuration for the various <select> elements in the DOM of this component.
+//
+// Possible keys include:
+//
+// `default`:
+// The default option index. Only needs to be provided if not zero.
+// `parser`:
+// A function which is used to parse the value from the selected option in
+// a customized way.
+// `selector`:
+// The selector used to find the associated <select> element.
+var selectConfigs = {
+ backgroundColor: {
+ selector: '.vjs-bg-color > select',
+ id: 'captions-background-color-%s',
+ label: 'Color',
+ options: [COLOR_BLACK, COLOR_WHITE, COLOR_RED, COLOR_GREEN, COLOR_BLUE, COLOR_YELLOW, COLOR_MAGENTA, COLOR_CYAN]
+ },
+
+ backgroundOpacity: {
+ selector: '.vjs-bg-opacity > select',
+ id: 'captions-background-opacity-%s',
+ label: 'Transparency',
+ options: [OPACITY_OPAQUE, OPACITY_SEMI, OPACITY_TRANS]
+ },
+
+ color: {
+ selector: '.vjs-fg-color > select',
+ id: 'captions-foreground-color-%s',
+ label: 'Color',
+ options: [COLOR_WHITE, COLOR_BLACK, COLOR_RED, COLOR_GREEN, COLOR_BLUE, COLOR_YELLOW, COLOR_MAGENTA, COLOR_CYAN]
+ },
+
+ edgeStyle: {
+ selector: '.vjs-edge-style > select',
+ id: '%s',
+ label: 'Text Edge Style',
+ options: [['none', 'None'], ['raised', 'Raised'], ['depressed', 'Depressed'], ['uniform', 'Uniform'], ['dropshadow', 'Dropshadow']]
+ },
+
+ fontFamily: {
+ selector: '.vjs-font-family > select',
+ id: 'captions-font-family-%s',
+ label: 'Font Family',
+ options: [['proportionalSansSerif', 'Proportional Sans-Serif'], ['monospaceSansSerif', 'Monospace Sans-Serif'], ['proportionalSerif', 'Proportional Serif'], ['monospaceSerif', 'Monospace Serif'], ['casual', 'Casual'], ['script', 'Script'], ['small-caps', 'Small Caps']]
+ },
+
+ fontPercent: {
+ selector: '.vjs-font-percent > select',
+ id: 'captions-font-size-%s',
+ label: 'Font Size',
+ options: [['0.50', '50%'], ['0.75', '75%'], ['1.00', '100%'], ['1.25', '125%'], ['1.50', '150%'], ['1.75', '175%'], ['2.00', '200%'], ['3.00', '300%'], ['4.00', '400%']],
+ 'default': 2,
+ parser: function parser(v) {
+ return v === '1.00' ? null : Number(v);
+ }
+ },
+
+ textOpacity: {
+ selector: '.vjs-text-opacity > select',
+ id: 'captions-foreground-opacity-%s',
+ label: 'Transparency',
+ options: [OPACITY_OPAQUE, OPACITY_SEMI]
+ },
+
+ // Options for this object are defined below.
+ windowColor: {
+ selector: '.vjs-window-color > select',
+ id: 'captions-window-color-%s',
+ label: 'Color'
+ },
+
+ // Options for this object are defined below.
+ windowOpacity: {
+ selector: '.vjs-window-opacity > select',
+ id: 'captions-window-opacity-%s',
+ label: 'Transparency',
+ options: [OPACITY_TRANS, OPACITY_SEMI, OPACITY_OPAQUE]
+ }
+};
+
+selectConfigs.windowColor.options = selectConfigs.backgroundColor.options;
+
+/**
+ * Get the actual value of an option.
+ *
+ * @param {string} value
+ * The value to get
+ *
+ * @param {Function} [parser]
+ * Optional function to adjust the value.
+ *
+ * @return {Mixed}
+ * - Will be `undefined` if no value exists
+ * - Will be `undefined` if the given value is "none".
+ * - Will be the actual value otherwise.
+ *
+ * @private
+ */
+function parseOptionValue(value, parser) {
+ if (parser) {
+ value = parser(value);
+ }
+
+ if (value && value !== 'none') {
+ return value;
+ }
+}
+
+/**
+ * Gets the value of the selected <option> element within a <select> element.
+ *
+ * @param {Element} el
+ * the element to look in
+ *
+ * @param {Function} [parser]
+ * Optional function to adjust the value.
+ *
+ * @return {Mixed}
+ * - Will be `undefined` if no value exists
+ * - Will be `undefined` if the given value is "none".
+ * - Will be the actual value otherwise.
+ *
+ * @private
+ */
+function getSelectedOptionValue(el, parser) {
+ var value = el.options[el.options.selectedIndex].value;
+
+ return parseOptionValue(value, parser);
+}
+
+/**
+ * Sets the selected <option> element within a <select> element based on a
+ * given value.
+ *
+ * @param {Element} el
+ * The element to look in.
+ *
+ * @param {string} value
+ * the property to look on.
+ *
+ * @param {Function} [parser]
+ * Optional function to adjust the value before comparing.
+ *
+ * @private
+ */
+function setSelectedOption(el, value, parser) {
+ if (!value) {
+ return;
+ }
+
+ for (var i = 0; i < el.options.length; i++) {
+ if (parseOptionValue(el.options[i].value, parser) === value) {
+ el.selectedIndex = i;
+ break;
+ }
+ }
+}
+
+/**
+ * Manipulate Text Tracks settings.
+ *
+ * @extends ModalDialog
+ */
+
+var TextTrackSettings = function (_ModalDialog) {
+ inherits(TextTrackSettings, _ModalDialog);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function TextTrackSettings(player, options) {
+ classCallCheck(this, TextTrackSettings);
+
+ options.temporary = false;
+
+ var _this = possibleConstructorReturn(this, _ModalDialog.call(this, player, options));
+
+ _this.updateDisplay = bind(_this, _this.updateDisplay);
+
+ // fill the modal and pretend we have opened it
+ _this.fill();
+ _this.hasBeenOpened_ = _this.hasBeenFilled_ = true;
+
+ _this.endDialog = createEl('p', {
+ className: 'vjs-control-text',
+ textContent: _this.localize('End of dialog window.')
+ });
+ _this.el().appendChild(_this.endDialog);
+
+ _this.setDefaults();
+
+ // Grab `persistTextTrackSettings` from the player options if not passed in child options
+ if (options.persistTextTrackSettings === undefined) {
+ _this.options_.persistTextTrackSettings = _this.options_.playerOptions.persistTextTrackSettings;
+ }
+
+ _this.on(_this.$('.vjs-done-button'), 'click', function () {
+ _this.saveSettings();
+ _this.close();
+ });
+
+ _this.on(_this.$('.vjs-default-button'), 'click', function () {
+ _this.setDefaults();
+ _this.updateDisplay();
+ });
+
+ each(selectConfigs, function (config) {
+ _this.on(_this.$(config.selector), 'change', _this.updateDisplay);
+ });
+
+ if (_this.options_.persistTextTrackSettings) {
+ _this.restoreSettings();
+ }
+ return _this;
+ }
+
+ TextTrackSettings.prototype.dispose = function dispose() {
+ this.endDialog = null;
+
+ _ModalDialog.prototype.dispose.call(this);
+ };
+
+ /**
+ * Create a <select> element with configured options.
+ *
+ * @param {string} key
+ * Configuration key to use during creation.
+ *
+ * @return {string}
+ * An HTML string.
+ *
+ * @private
+ */
+
+
+ TextTrackSettings.prototype.createElSelect_ = function createElSelect_(key) {
+ var _this2 = this;
+
+ var legendId = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';
+ var type = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 'label';
+
+ var config = selectConfigs[key];
+ var id = config.id.replace('%s', this.id_);
+
+ return ['<' + type + ' id="' + id + '" class="' + (type === 'label' ? 'vjs-label' : '') + '">', this.localize(config.label), '</' + type + '>', '<select aria-labelledby="' + (legendId !== '' ? legendId + ' ' : '') + id + '">'].concat(config.options.map(function (o) {
+ var optionId = id + '-' + o[1];
+
+ return ['<option id="' + optionId + '" value="' + o[0] + '" ', 'aria-labelledby="' + (legendId !== '' ? legendId + ' ' : '') + id + ' ' + optionId + '">', _this2.localize(o[1]), '</option>'].join('');
+ })).concat('</select>').join('');
+ };
+
+ /**
+ * Create foreground color element for the component
+ *
+ * @return {string}
+ * An HTML string.
+ *
+ * @private
+ */
+
+
+ TextTrackSettings.prototype.createElFgColor_ = function createElFgColor_() {
+ var legendId = 'captions-text-legend-' + this.id_;
+
+ return ['<fieldset class="vjs-fg-color vjs-track-setting">', '<legend id="' + legendId + '">', this.localize('Text'), '</legend>', this.createElSelect_('color', legendId), '<span class="vjs-text-opacity vjs-opacity">', this.createElSelect_('textOpacity', legendId), '</span>', '</fieldset>'].join('');
+ };
+
+ /**
+ * Create background color element for the component
+ *
+ * @return {string}
+ * An HTML string.
+ *
+ * @private
+ */
+
+
+ TextTrackSettings.prototype.createElBgColor_ = function createElBgColor_() {
+ var legendId = 'captions-background-' + this.id_;
+
+ return ['<fieldset class="vjs-bg-color vjs-track-setting">', '<legend id="' + legendId + '">', this.localize('Background'), '</legend>', this.createElSelect_('backgroundColor', legendId), '<span class="vjs-bg-opacity vjs-opacity">', this.createElSelect_('backgroundOpacity', legendId), '</span>', '</fieldset>'].join('');
+ };
+
+ /**
+ * Create window color element for the component
+ *
+ * @return {string}
+ * An HTML string.
+ *
+ * @private
+ */
+
+
+ TextTrackSettings.prototype.createElWinColor_ = function createElWinColor_() {
+ var legendId = 'captions-window-' + this.id_;
+
+ return ['<fieldset class="vjs-window-color vjs-track-setting">', '<legend id="' + legendId + '">', this.localize('Window'), '</legend>', this.createElSelect_('windowColor', legendId), '<span class="vjs-window-opacity vjs-opacity">', this.createElSelect_('windowOpacity', legendId), '</span>', '</fieldset>'].join('');
+ };
+
+ /**
+ * Create color elements for the component
+ *
+ * @return {Element}
+ * The element that was created
+ *
+ * @private
+ */
+
+
+ TextTrackSettings.prototype.createElColors_ = function createElColors_() {
+ return createEl('div', {
+ className: 'vjs-track-settings-colors',
+ innerHTML: [this.createElFgColor_(), this.createElBgColor_(), this.createElWinColor_()].join('')
+ });
+ };
+
+ /**
+ * Create font elements for the component
+ *
+ * @return {Element}
+ * The element that was created.
+ *
+ * @private
+ */
+
+
+ TextTrackSettings.prototype.createElFont_ = function createElFont_() {
+ return createEl('div', {
+ className: 'vjs-track-settings-font',
+ innerHTML: ['<fieldset class="vjs-font-percent vjs-track-setting">', this.createElSelect_('fontPercent', '', 'legend'), '</fieldset>', '<fieldset class="vjs-edge-style vjs-track-setting">', this.createElSelect_('edgeStyle', '', 'legend'), '</fieldset>', '<fieldset class="vjs-font-family vjs-track-setting">', this.createElSelect_('fontFamily', '', 'legend'), '</fieldset>'].join('')
+ });
+ };
+
+ /**
+ * Create controls for the component
+ *
+ * @return {Element}
+ * The element that was created.
+ *
+ * @private
+ */
+
+
+ TextTrackSettings.prototype.createElControls_ = function createElControls_() {
+ var defaultsDescription = this.localize('restore all settings to the default values');
+
+ return createEl('div', {
+ className: 'vjs-track-settings-controls',
+ innerHTML: ['<button class="vjs-default-button" title="' + defaultsDescription + '">', this.localize('Reset'), '<span class="vjs-control-text"> ' + defaultsDescription + '</span>', '</button>', '<button class="vjs-done-button">' + this.localize('Done') + '</button>'].join('')
+ });
+ };
+
+ TextTrackSettings.prototype.content = function content() {
+ return [this.createElColors_(), this.createElFont_(), this.createElControls_()];
+ };
+
+ TextTrackSettings.prototype.label = function label() {
+ return this.localize('Caption Settings Dialog');
+ };
+
+ TextTrackSettings.prototype.description = function description() {
+ return this.localize('Beginning of dialog window. Escape will cancel and close the window.');
+ };
+
+ TextTrackSettings.prototype.buildCSSClass = function buildCSSClass() {
+ return _ModalDialog.prototype.buildCSSClass.call(this) + ' vjs-text-track-settings';
+ };
+
+ /**
+ * Gets an object of text track settings (or null).
+ *
+ * @return {Object}
+ * An object with config values parsed from the DOM or localStorage.
+ */
+
+
+ TextTrackSettings.prototype.getValues = function getValues() {
+ var _this3 = this;
+
+ return reduce(selectConfigs, function (accum, config, key) {
+ var value = getSelectedOptionValue(_this3.$(config.selector), config.parser);
+
+ if (value !== undefined) {
+ accum[key] = value;
+ }
+
+ return accum;
+ }, {});
+ };
+
+ /**
+ * Sets text track settings from an object of values.
+ *
+ * @param {Object} values
+ * An object with config values parsed from the DOM or localStorage.
+ */
+
+
+ TextTrackSettings.prototype.setValues = function setValues(values) {
+ var _this4 = this;
+
+ each(selectConfigs, function (config, key) {
+ setSelectedOption(_this4.$(config.selector), values[key], config.parser);
+ });
+ };
+
+ /**
+ * Sets all `<select>` elements to their default values.
+ */
+
+
+ TextTrackSettings.prototype.setDefaults = function setDefaults() {
+ var _this5 = this;
+
+ each(selectConfigs, function (config) {
+ var index = config.hasOwnProperty('default') ? config['default'] : 0;
+
+ _this5.$(config.selector).selectedIndex = index;
+ });
+ };
+
+ /**
+ * Restore texttrack settings from localStorage
+ */
+
+
+ TextTrackSettings.prototype.restoreSettings = function restoreSettings() {
+ var values = void 0;
+
+ try {
+ values = JSON.parse(window_1.localStorage.getItem(LOCAL_STORAGE_KEY));
+ } catch (err) {
+ log$1.warn(err);
+ }
+
+ if (values) {
+ this.setValues(values);
+ }
+ };
+
+ /**
+ * Save text track settings to localStorage
+ */
+
+
+ TextTrackSettings.prototype.saveSettings = function saveSettings() {
+ if (!this.options_.persistTextTrackSettings) {
+ return;
+ }
+
+ var values = this.getValues();
+
+ try {
+ if (Object.keys(values).length) {
+ window_1.localStorage.setItem(LOCAL_STORAGE_KEY, JSON.stringify(values));
+ } else {
+ window_1.localStorage.removeItem(LOCAL_STORAGE_KEY);
+ }
+ } catch (err) {
+ log$1.warn(err);
+ }
+ };
+
+ /**
+ * Update display of text track settings
+ */
+
+
+ TextTrackSettings.prototype.updateDisplay = function updateDisplay() {
+ var ttDisplay = this.player_.getChild('textTrackDisplay');
+
+ if (ttDisplay) {
+ ttDisplay.updateDisplay();
+ }
+ };
+
+ /**
+ * conditionally blur the element and refocus the captions button
+ *
+ * @private
+ */
+
+
+ TextTrackSettings.prototype.conditionalBlur_ = function conditionalBlur_() {
+ this.previouslyActiveEl_ = null;
+ this.off(document_1, 'keydown', this.handleKeyDown);
+
+ var cb = this.player_.controlBar;
+ var subsCapsBtn = cb && cb.subsCapsButton;
+ var ccBtn = cb && cb.captionsButton;
+
+ if (subsCapsBtn) {
+ subsCapsBtn.focus();
+ } else if (ccBtn) {
+ ccBtn.focus();
+ }
+ };
+
+ return TextTrackSettings;
+}(ModalDialog);
+
+Component.registerComponent('TextTrackSettings', TextTrackSettings);
+
+/**
+ * @file resize-manager.js
+ */
+/**
+ * A Resize Manager. It is in charge of triggering `playerresize` on the player in the right conditions.
+ *
+ * It'll either create an iframe and use a debounced resize handler on it or use the new {@link https://wicg.github.io/ResizeObserver/|ResizeObserver}.
+ *
+ * If the ResizeObserver is available natively, it will be used. A polyfill can be passed in as an option.
+ * If a `playerresize` event is not needed, the ResizeManager component can be removed from the player, see the example below.
+ * @example <caption>How to disable the resize manager</caption>
+ * const player = videojs('#vid', {
+ * resizeManager: false
+ * });
+ *
+ * @see {@link https://wicg.github.io/ResizeObserver/|ResizeObserver specification}
+ *
+ * @extends Component
+ */
+
+var ResizeManager = function (_Component) {
+ inherits(ResizeManager, _Component);
+
+ /**
+ * Create the ResizeManager.
+ *
+ * @param {Object} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of ResizeManager options.
+ *
+ * @param {Object} [options.ResizeObserver]
+ * A polyfill for ResizeObserver can be passed in here.
+ * If this is set to null it will ignore the native ResizeObserver and fall back to the iframe fallback.
+ */
+ function ResizeManager(player, options) {
+ classCallCheck(this, ResizeManager);
+
+ var RESIZE_OBSERVER_AVAILABLE = options.ResizeObserver || window_1.ResizeObserver;
+
+ // if `null` was passed, we want to disable the ResizeObserver
+ if (options.ResizeObserver === null) {
+ RESIZE_OBSERVER_AVAILABLE = false;
+ }
+
+ // Only create an element when ResizeObserver isn't available
+ var options_ = mergeOptions({ createEl: !RESIZE_OBSERVER_AVAILABLE }, options);
+
+ var _this = possibleConstructorReturn(this, _Component.call(this, player, options_));
+
+ _this.ResizeObserver = options.ResizeObserver || window_1.ResizeObserver;
+ _this.loadListener_ = null;
+ _this.resizeObserver_ = null;
+ _this.debouncedHandler_ = debounce(function () {
+ _this.resizeHandler();
+ }, 100, false, player);
+
+ if (RESIZE_OBSERVER_AVAILABLE) {
+ _this.resizeObserver_ = new _this.ResizeObserver(_this.debouncedHandler_);
+ _this.resizeObserver_.observe(player.el());
+ } else {
+ _this.loadListener_ = function () {
+ if (_this.el_.contentWindow) {
+ on(_this.el_.contentWindow, 'resize', _this.debouncedHandler_);
+ }
+ _this.off('load', _this.loadListener_);
+ };
+
+ _this.on('load', _this.loadListener_);
+ }
+ return _this;
+ }
+
+ ResizeManager.prototype.createEl = function createEl() {
+ return _Component.prototype.createEl.call(this, 'iframe', {
+ className: 'vjs-resize-manager'
+ });
+ };
+
+ /**
+ * Called when a resize is triggered on the iframe or a resize is observed via the ResizeObserver
+ *
+ * @fires Player#playerresize
+ */
+
+
+ ResizeManager.prototype.resizeHandler = function resizeHandler() {
+ /**
+ * Called when the player size has changed
+ *
+ * @event Player#playerresize
+ * @type {EventTarget~Event}
+ */
+ this.player_.trigger('playerresize');
+ };
+
+ ResizeManager.prototype.dispose = function dispose() {
+ if (this.resizeObserver_) {
+ this.resizeObserver_.unobserve(this.player_.el());
+ this.resizeObserver_.disconnect();
+ }
+
+ if (this.el_ && this.el_.contentWindow) {
+ off(this.el_.contentWindow, 'resize', this.debouncedHandler_);
+ }
+
+ if (this.loadListener_) {
+ this.off('load', this.loadListener_);
+ }
+
+ this.ResizeObserver = null;
+ this.resizeObserver = null;
+ this.debouncedHandler_ = null;
+ this.loadListener_ = null;
+ };
+
+ return ResizeManager;
+}(Component);
+
+Component.registerComponent('ResizeManager', ResizeManager);
+
+var _templateObject$2 = taggedTemplateLiteralLoose(['Text Tracks are being loaded from another origin but the crossorigin attribute isn\'t used.\n This may prevent text tracks from loading.'], ['Text Tracks are being loaded from another origin but the crossorigin attribute isn\'t used.\n This may prevent text tracks from loading.']);
+
+/**
+ * @file html5.js
+ */
+/**
+ * HTML5 Media Controller - Wrapper for HTML5 Media API
+ *
+ * @mixes Tech~SouceHandlerAdditions
+ * @extends Tech
+ */
+
+var Html5 = function (_Tech) {
+ inherits(Html5, _Tech);
+
+ /**
+ * Create an instance of this Tech.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ *
+ * @param {Component~ReadyCallback} ready
+ * Callback function to call when the `HTML5` Tech is ready.
+ */
+ function Html5(options, ready) {
+ classCallCheck(this, Html5);
+
+ var _this = possibleConstructorReturn(this, _Tech.call(this, options, ready));
+
+ var source = options.source;
+ var crossoriginTracks = false;
+
+ // Set the source if one is provided
+ // 1) Check if the source is new (if not, we want to keep the original so playback isn't interrupted)
+ // 2) Check to see if the network state of the tag was failed at init, and if so, reset the source
+ // anyway so the error gets fired.
+ if (source && (_this.el_.currentSrc !== source.src || options.tag && options.tag.initNetworkState_ === 3)) {
+ _this.setSource(source);
+ } else {
+ _this.handleLateInit_(_this.el_);
+ }
+
+ if (_this.el_.hasChildNodes()) {
+
+ var nodes = _this.el_.childNodes;
+ var nodesLength = nodes.length;
+ var removeNodes = [];
+
+ while (nodesLength--) {
+ var node = nodes[nodesLength];
+ var nodeName = node.nodeName.toLowerCase();
+
+ if (nodeName === 'track') {
+ if (!_this.featuresNativeTextTracks) {
+ // Empty video tag tracks so the built-in player doesn't use them also.
+ // This may not be fast enough to stop HTML5 browsers from reading the tags
+ // so we'll need to turn off any default tracks if we're manually doing
+ // captions and subtitles. videoElement.textTracks
+ removeNodes.push(node);
+ } else {
+ // store HTMLTrackElement and TextTrack to remote list
+ _this.remoteTextTrackEls().addTrackElement_(node);
+ _this.remoteTextTracks().addTrack(node.track);
+ _this.textTracks().addTrack(node.track);
+ if (!crossoriginTracks && !_this.el_.hasAttribute('crossorigin') && isCrossOrigin(node.src)) {
+ crossoriginTracks = true;
+ }
+ }
+ }
+ }
+
+ for (var i = 0; i < removeNodes.length; i++) {
+ _this.el_.removeChild(removeNodes[i]);
+ }
+ }
+
+ _this.proxyNativeTracks_();
+ if (_this.featuresNativeTextTracks && crossoriginTracks) {
+ log$1.warn(tsml(_templateObject$2));
+ }
+
+ // prevent iOS Safari from disabling metadata text tracks during native playback
+ _this.restoreMetadataTracksInIOSNativePlayer_();
+
+ // Determine if native controls should be used
+ // Our goal should be to get the custom controls on mobile solid everywhere
+ // so we can remove this all together. Right now this will block custom
+ // controls on touch enabled laptops like the Chrome Pixel
+ if ((TOUCH_ENABLED || IS_IPHONE || IS_NATIVE_ANDROID) && options.nativeControlsForTouch === true) {
+ _this.setControls(true);
+ }
+
+ // on iOS, we want to proxy `webkitbeginfullscreen` and `webkitendfullscreen`
+ // into a `fullscreenchange` event
+ _this.proxyWebkitFullscreen_();
+
+ _this.triggerReady();
+ return _this;
+ }
+
+ /**
+ * Dispose of `HTML5` media element and remove all tracks.
+ */
+
+
+ Html5.prototype.dispose = function dispose() {
+ Html5.disposeMediaElement(this.el_);
+ this.options_ = null;
+
+ // tech will handle clearing of the emulated track list
+ _Tech.prototype.dispose.call(this);
+ };
+
+ /**
+ * When a captions track is enabled in the iOS Safari native player, all other
+ * tracks are disabled (including metadata tracks), which nulls all of their
+ * associated cue points. This will restore metadata tracks to their pre-fullscreen
+ * state in those cases so that cue points are not needlessly lost.
+ *
+ * @private
+ */
+
+
+ Html5.prototype.restoreMetadataTracksInIOSNativePlayer_ = function restoreMetadataTracksInIOSNativePlayer_() {
+ var textTracks = this.textTracks();
+ var metadataTracksPreFullscreenState = void 0;
+
+ // captures a snapshot of every metadata track's current state
+ var takeMetadataTrackSnapshot = function takeMetadataTrackSnapshot() {
+ metadataTracksPreFullscreenState = [];
+
+ for (var i = 0; i < textTracks.length; i++) {
+ var track = textTracks[i];
+
+ if (track.kind === 'metadata') {
+ metadataTracksPreFullscreenState.push({
+ track: track,
+ storedMode: track.mode
+ });
+ }
+ }
+ };
+
+ // snapshot each metadata track's initial state, and update the snapshot
+ // each time there is a track 'change' event
+ takeMetadataTrackSnapshot();
+ textTracks.addEventListener('change', takeMetadataTrackSnapshot);
+
+ this.on('dispose', function () {
+ return textTracks.removeEventListener('change', takeMetadataTrackSnapshot);
+ });
+
+ var restoreTrackMode = function restoreTrackMode() {
+ for (var i = 0; i < metadataTracksPreFullscreenState.length; i++) {
+ var storedTrack = metadataTracksPreFullscreenState[i];
+
+ if (storedTrack.track.mode === 'disabled' && storedTrack.track.mode !== storedTrack.storedMode) {
+ storedTrack.track.mode = storedTrack.storedMode;
+ }
+ }
+ // we only want this handler to be executed on the first 'change' event
+ textTracks.removeEventListener('change', restoreTrackMode);
+ };
+
+ // when we enter fullscreen playback, stop updating the snapshot and
+ // restore all track modes to their pre-fullscreen state
+ this.on('webkitbeginfullscreen', function () {
+ textTracks.removeEventListener('change', takeMetadataTrackSnapshot);
+
+ // remove the listener before adding it just in case it wasn't previously removed
+ textTracks.removeEventListener('change', restoreTrackMode);
+ textTracks.addEventListener('change', restoreTrackMode);
+ });
+
+ // start updating the snapshot again after leaving fullscreen
+ this.on('webkitendfullscreen', function () {
+ // remove the listener before adding it just in case it wasn't previously removed
+ textTracks.removeEventListener('change', takeMetadataTrackSnapshot);
+ textTracks.addEventListener('change', takeMetadataTrackSnapshot);
+
+ // remove the restoreTrackMode handler in case it wasn't triggered during fullscreen playback
+ textTracks.removeEventListener('change', restoreTrackMode);
+ });
+ };
+
+ /**
+ * Proxy all native track list events to our track lists if the browser we are playing
+ * in supports that type of track list.
+ *
+ * @private
+ */
+
+
+ Html5.prototype.proxyNativeTracks_ = function proxyNativeTracks_() {
+ var _this2 = this;
+
+ NORMAL.names.forEach(function (name) {
+ var props = NORMAL[name];
+ var elTracks = _this2.el()[props.getterName];
+ var techTracks = _this2[props.getterName]();
+
+ if (!_this2['featuresNative' + props.capitalName + 'Tracks'] || !elTracks || !elTracks.addEventListener) {
+ return;
+ }
+ var listeners = {
+ change: function change(e) {
+ techTracks.trigger({
+ type: 'change',
+ target: techTracks,
+ currentTarget: techTracks,
+ srcElement: techTracks
+ });
+ },
+ addtrack: function addtrack(e) {
+ techTracks.addTrack(e.track);
+ },
+ removetrack: function removetrack(e) {
+ techTracks.removeTrack(e.track);
+ }
+ };
+ var removeOldTracks = function removeOldTracks() {
+ var removeTracks = [];
+
+ for (var i = 0; i < techTracks.length; i++) {
+ var found = false;
+
+ for (var j = 0; j < elTracks.length; j++) {
+ if (elTracks[j] === techTracks[i]) {
+ found = true;
+ break;
+ }
+ }
+
+ if (!found) {
+ removeTracks.push(techTracks[i]);
+ }
+ }
+
+ while (removeTracks.length) {
+ techTracks.removeTrack(removeTracks.shift());
+ }
+ };
+
+ Object.keys(listeners).forEach(function (eventName) {
+ var listener = listeners[eventName];
+
+ elTracks.addEventListener(eventName, listener);
+ _this2.on('dispose', function (e) {
+ return elTracks.removeEventListener(eventName, listener);
+ });
+ });
+
+ // Remove (native) tracks that are not used anymore
+ _this2.on('loadstart', removeOldTracks);
+ _this2.on('dispose', function (e) {
+ return _this2.off('loadstart', removeOldTracks);
+ });
+ });
+ };
+
+ /**
+ * Create the `Html5` Tech's DOM element.
+ *
+ * @return {Element}
+ * The element that gets created.
+ */
+
+
+ Html5.prototype.createEl = function createEl$$1() {
+ var el = this.options_.tag;
+
+ // Check if this browser supports moving the element into the box.
+ // On the iPhone video will break if you move the element,
+ // So we have to create a brand new element.
+ // If we ingested the player div, we do not need to move the media element.
+ if (!el || !(this.options_.playerElIngest || this.movingMediaElementInDOM)) {
+
+ // If the original tag is still there, clone and remove it.
+ if (el) {
+ var clone = el.cloneNode(true);
+
+ if (el.parentNode) {
+ el.parentNode.insertBefore(clone, el);
+ }
+ Html5.disposeMediaElement(el);
+ el = clone;
+ } else {
+ el = document_1.createElement('video');
+
+ // determine if native controls should be used
+ var tagAttributes = this.options_.tag && getAttributes(this.options_.tag);
+ var attributes = mergeOptions({}, tagAttributes);
+
+ if (!TOUCH_ENABLED || this.options_.nativeControlsForTouch !== true) {
+ delete attributes.controls;
+ }
+
+ setAttributes(el, assign(attributes, {
+ id: this.options_.techId,
+ 'class': 'vjs-tech'
+ }));
+ }
+
+ el.playerId = this.options_.playerId;
+ }
+
+ if (typeof this.options_.preload !== 'undefined') {
+ setAttribute(el, 'preload', this.options_.preload);
+ }
+
+ // Update specific tag settings, in case they were overridden
+ // `autoplay` has to be *last* so that `muted` and `playsinline` are present
+ // when iOS/Safari or other browsers attempt to autoplay.
+ var settingsAttrs = ['loop', 'muted', 'playsinline', 'autoplay'];
+
+ for (var i = 0; i < settingsAttrs.length; i++) {
+ var attr = settingsAttrs[i];
+ var value = this.options_[attr];
+
+ if (typeof value !== 'undefined') {
+ if (value) {
+ setAttribute(el, attr, attr);
+ } else {
+ removeAttribute(el, attr);
+ }
+ el[attr] = value;
+ }
+ }
+
+ return el;
+ };
+
+ /**
+ * This will be triggered if the loadstart event has already fired, before videojs was
+ * ready. Two known examples of when this can happen are:
+ * 1. If we're loading the playback object after it has started loading
+ * 2. The media is already playing the (often with autoplay on) then
+ *
+ * This function will fire another loadstart so that videojs can catchup.
+ *
+ * @fires Tech#loadstart
+ *
+ * @return {undefined}
+ * returns nothing.
+ */
+
+
+ Html5.prototype.handleLateInit_ = function handleLateInit_(el) {
+ if (el.networkState === 0 || el.networkState === 3) {
+ // The video element hasn't started loading the source yet
+ // or didn't find a source
+ return;
+ }
+
+ if (el.readyState === 0) {
+ // NetworkState is set synchronously BUT loadstart is fired at the
+ // end of the current stack, usually before setInterval(fn, 0).
+ // So at this point we know loadstart may have already fired or is
+ // about to fire, and either way the player hasn't seen it yet.
+ // We don't want to fire loadstart prematurely here and cause a
+ // double loadstart so we'll wait and see if it happens between now
+ // and the next loop, and fire it if not.
+ // HOWEVER, we also want to make sure it fires before loadedmetadata
+ // which could also happen between now and the next loop, so we'll
+ // watch for that also.
+ var loadstartFired = false;
+ var setLoadstartFired = function setLoadstartFired() {
+ loadstartFired = true;
+ };
+
+ this.on('loadstart', setLoadstartFired);
+
+ var triggerLoadstart = function triggerLoadstart() {
+ // We did miss the original loadstart. Make sure the player
+ // sees loadstart before loadedmetadata
+ if (!loadstartFired) {
+ this.trigger('loadstart');
+ }
+ };
+
+ this.on('loadedmetadata', triggerLoadstart);
+
+ this.ready(function () {
+ this.off('loadstart', setLoadstartFired);
+ this.off('loadedmetadata', triggerLoadstart);
+
+ if (!loadstartFired) {
+ // We did miss the original native loadstart. Fire it now.
+ this.trigger('loadstart');
+ }
+ });
+
+ return;
+ }
+
+ // From here on we know that loadstart already fired and we missed it.
+ // The other readyState events aren't as much of a problem if we double
+ // them, so not going to go to as much trouble as loadstart to prevent
+ // that unless we find reason to.
+ var eventsToTrigger = ['loadstart'];
+
+ // loadedmetadata: newly equal to HAVE_METADATA (1) or greater
+ eventsToTrigger.push('loadedmetadata');
+
+ // loadeddata: newly increased to HAVE_CURRENT_DATA (2) or greater
+ if (el.readyState >= 2) {
+ eventsToTrigger.push('loadeddata');
+ }
+
+ // canplay: newly increased to HAVE_FUTURE_DATA (3) or greater
+ if (el.readyState >= 3) {
+ eventsToTrigger.push('canplay');
+ }
+
+ // canplaythrough: newly equal to HAVE_ENOUGH_DATA (4)
+ if (el.readyState >= 4) {
+ eventsToTrigger.push('canplaythrough');
+ }
+
+ // We still need to give the player time to add event listeners
+ this.ready(function () {
+ eventsToTrigger.forEach(function (type) {
+ this.trigger(type);
+ }, this);
+ });
+ };
+
+ /**
+ * Set current time for the `HTML5` tech.
+ *
+ * @param {number} seconds
+ * Set the current time of the media to this.
+ */
+
+
+ Html5.prototype.setCurrentTime = function setCurrentTime(seconds) {
+ try {
+ this.el_.currentTime = seconds;
+ } catch (e) {
+ log$1(e, 'Video is not ready. (Video.js)');
+ // this.warning(VideoJS.warnings.videoNotReady);
+ }
+ };
+
+ /**
+ * Get the current duration of the HTML5 media element.
+ *
+ * @return {number}
+ * The duration of the media or 0 if there is no duration.
+ */
+
+
+ Html5.prototype.duration = function duration() {
+ var _this3 = this;
+
+ // Android Chrome will report duration as Infinity for VOD HLS until after
+ // playback has started, which triggers the live display erroneously.
+ // Return NaN if playback has not started and trigger a durationupdate once
+ // the duration can be reliably known.
+ if (this.el_.duration === Infinity && IS_ANDROID && IS_CHROME && this.el_.currentTime === 0) {
+ // Wait for the first `timeupdate` with currentTime > 0 - there may be
+ // several with 0
+ var checkProgress = function checkProgress() {
+ if (_this3.el_.currentTime > 0) {
+ // Trigger durationchange for genuinely live video
+ if (_this3.el_.duration === Infinity) {
+ _this3.trigger('durationchange');
+ }
+ _this3.off('timeupdate', checkProgress);
+ }
+ };
+
+ this.on('timeupdate', checkProgress);
+ return NaN;
+ }
+ return this.el_.duration || NaN;
+ };
+
+ /**
+ * Get the current width of the HTML5 media element.
+ *
+ * @return {number}
+ * The width of the HTML5 media element.
+ */
+
+
+ Html5.prototype.width = function width() {
+ return this.el_.offsetWidth;
+ };
+
+ /**
+ * Get the current height of the HTML5 media element.
+ *
+ * @return {number}
+ * The heigth of the HTML5 media element.
+ */
+
+
+ Html5.prototype.height = function height() {
+ return this.el_.offsetHeight;
+ };
+
+ /**
+ * Proxy iOS `webkitbeginfullscreen` and `webkitendfullscreen` into
+ * `fullscreenchange` event.
+ *
+ * @private
+ * @fires fullscreenchange
+ * @listens webkitendfullscreen
+ * @listens webkitbeginfullscreen
+ * @listens webkitbeginfullscreen
+ */
+
+
+ Html5.prototype.proxyWebkitFullscreen_ = function proxyWebkitFullscreen_() {
+ var _this4 = this;
+
+ if (!('webkitDisplayingFullscreen' in this.el_)) {
+ return;
+ }
+
+ var endFn = function endFn() {
+ this.trigger('fullscreenchange', { isFullscreen: false });
+ };
+
+ var beginFn = function beginFn() {
+ if ('webkitPresentationMode' in this.el_ && this.el_.webkitPresentationMode !== 'picture-in-picture') {
+ this.one('webkitendfullscreen', endFn);
+
+ this.trigger('fullscreenchange', { isFullscreen: true });
+ }
+ };
+
+ this.on('webkitbeginfullscreen', beginFn);
+ this.on('dispose', function () {
+ _this4.off('webkitbeginfullscreen', beginFn);
+ _this4.off('webkitendfullscreen', endFn);
+ });
+ };
+
+ /**
+ * Check if fullscreen is supported on the current playback device.
+ *
+ * @return {boolean}
+ * - True if fullscreen is supported.
+ * - False if fullscreen is not supported.
+ */
+
+
+ Html5.prototype.supportsFullScreen = function supportsFullScreen() {
+ if (typeof this.el_.webkitEnterFullScreen === 'function') {
+ var userAgent = window_1.navigator && window_1.navigator.userAgent || '';
+
+ // Seems to be broken in Chromium/Chrome && Safari in Leopard
+ if (/Android/.test(userAgent) || !/Chrome|Mac OS X 10.5/.test(userAgent)) {
+ return true;
+ }
+ }
+ return false;
+ };
+
+ /**
+ * Request that the `HTML5` Tech enter fullscreen.
+ */
+
+
+ Html5.prototype.enterFullScreen = function enterFullScreen() {
+ var video = this.el_;
+
+ if (video.paused && video.networkState <= video.HAVE_METADATA) {
+ // attempt to prime the video element for programmatic access
+ // this isn't necessary on the desktop but shouldn't hurt
+ this.el_.play();
+
+ // playing and pausing synchronously during the transition to fullscreen
+ // can get iOS ~6.1 devices into a play/pause loop
+ this.setTimeout(function () {
+ video.pause();
+ video.webkitEnterFullScreen();
+ }, 0);
+ } else {
+ video.webkitEnterFullScreen();
+ }
+ };
+
+ /**
+ * Request that the `HTML5` Tech exit fullscreen.
+ */
+
+
+ Html5.prototype.exitFullScreen = function exitFullScreen() {
+ this.el_.webkitExitFullScreen();
+ };
+
+ /**
+ * A getter/setter for the `Html5` Tech's source object.
+ * > Note: Please use {@link Html5#setSource}
+ *
+ * @param {Tech~SourceObject} [src]
+ * The source object you want to set on the `HTML5` techs element.
+ *
+ * @return {Tech~SourceObject|undefined}
+ * - The current source object when a source is not passed in.
+ * - undefined when setting
+ *
+ * @deprecated Since version 5.
+ */
+
+
+ Html5.prototype.src = function src(_src) {
+ if (_src === undefined) {
+ return this.el_.src;
+ }
+
+ // Setting src through `src` instead of `setSrc` will be deprecated
+ this.setSrc(_src);
+ };
+
+ /**
+ * Reset the tech by removing all sources and then calling
+ * {@link Html5.resetMediaElement}.
+ */
+
+
+ Html5.prototype.reset = function reset() {
+ Html5.resetMediaElement(this.el_);
+ };
+
+ /**
+ * Get the current source on the `HTML5` Tech. Falls back to returning the source from
+ * the HTML5 media element.
+ *
+ * @return {Tech~SourceObject}
+ * The current source object from the HTML5 tech. With a fallback to the
+ * elements source.
+ */
+
+
+ Html5.prototype.currentSrc = function currentSrc() {
+ if (this.currentSource_) {
+ return this.currentSource_.src;
+ }
+ return this.el_.currentSrc;
+ };
+
+ /**
+ * Set controls attribute for the HTML5 media Element.
+ *
+ * @param {string} val
+ * Value to set the controls attribute to
+ */
+
+
+ Html5.prototype.setControls = function setControls(val) {
+ this.el_.controls = !!val;
+ };
+
+ /**
+ * Create and returns a remote {@link TextTrack} object.
+ *
+ * @param {string} kind
+ * `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)
+ *
+ * @param {string} [label]
+ * Label to identify the text track
+ *
+ * @param {string} [language]
+ * Two letter language abbreviation
+ *
+ * @return {TextTrack}
+ * The TextTrack that gets created.
+ */
+
+
+ Html5.prototype.addTextTrack = function addTextTrack(kind, label, language) {
+ if (!this.featuresNativeTextTracks) {
+ return _Tech.prototype.addTextTrack.call(this, kind, label, language);
+ }
+
+ return this.el_.addTextTrack(kind, label, language);
+ };
+
+ /**
+ * Creates either native TextTrack or an emulated TextTrack depending
+ * on the value of `featuresNativeTextTracks`
+ *
+ * @param {Object} options
+ * The object should contain the options to intialize the TextTrack with.
+ *
+ * @param {string} [options.kind]
+ * `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata).
+ *
+ * @param {string} [options.label].
+ * Label to identify the text track
+ *
+ * @param {string} [options.language]
+ * Two letter language abbreviation.
+ *
+ * @param {boolean} [options.default]
+ * Default this track to on.
+ *
+ * @param {string} [options.id]
+ * The internal id to assign this track.
+ *
+ * @param {string} [options.src]
+ * A source url for the track.
+ *
+ * @return {HTMLTrackElement}
+ * The track element that gets created.
+ */
+
+
+ Html5.prototype.createRemoteTextTrack = function createRemoteTextTrack(options) {
+ if (!this.featuresNativeTextTracks) {
+ return _Tech.prototype.createRemoteTextTrack.call(this, options);
+ }
+ var htmlTrackElement = document_1.createElement('track');
+
+ if (options.kind) {
+ htmlTrackElement.kind = options.kind;
+ }
+ if (options.label) {
+ htmlTrackElement.label = options.label;
+ }
+ if (options.language || options.srclang) {
+ htmlTrackElement.srclang = options.language || options.srclang;
+ }
+ if (options['default']) {
+ htmlTrackElement['default'] = options['default'];
+ }
+ if (options.id) {
+ htmlTrackElement.id = options.id;
+ }
+ if (options.src) {
+ htmlTrackElement.src = options.src;
+ }
+
+ return htmlTrackElement;
+ };
+
+ /**
+ * Creates a remote text track object and returns an html track element.
+ *
+ * @param {Object} options The object should contain values for
+ * kind, language, label, and src (location of the WebVTT file)
+ * @param {Boolean} [manualCleanup=true] if set to false, the TextTrack will be
+ * automatically removed from the video element whenever the source changes
+ * @return {HTMLTrackElement} An Html Track Element.
+ * This can be an emulated {@link HTMLTrackElement} or a native one.
+ * @deprecated The default value of the "manualCleanup" parameter will default
+ * to "false" in upcoming versions of Video.js
+ */
+
+
+ Html5.prototype.addRemoteTextTrack = function addRemoteTextTrack(options, manualCleanup) {
+ var htmlTrackElement = _Tech.prototype.addRemoteTextTrack.call(this, options, manualCleanup);
+
+ if (this.featuresNativeTextTracks) {
+ this.el().appendChild(htmlTrackElement);
+ }
+
+ return htmlTrackElement;
+ };
+
+ /**
+ * Remove remote `TextTrack` from `TextTrackList` object
+ *
+ * @param {TextTrack} track
+ * `TextTrack` object to remove
+ */
+
+
+ Html5.prototype.removeRemoteTextTrack = function removeRemoteTextTrack(track) {
+ _Tech.prototype.removeRemoteTextTrack.call(this, track);
+
+ if (this.featuresNativeTextTracks) {
+ var tracks = this.$$('track');
+
+ var i = tracks.length;
+
+ while (i--) {
+ if (track === tracks[i] || track === tracks[i].track) {
+ this.el().removeChild(tracks[i]);
+ }
+ }
+ }
+ };
+
+ /**
+ * Gets available media playback quality metrics as specified by the W3C's Media
+ * Playback Quality API.
+ *
+ * @see [Spec]{@link https://wicg.github.io/media-playback-quality}
+ *
+ * @return {Object}
+ * An object with supported media playback quality metrics
+ */
+
+
+ Html5.prototype.getVideoPlaybackQuality = function getVideoPlaybackQuality() {
+ if (typeof this.el().getVideoPlaybackQuality === 'function') {
+ return this.el().getVideoPlaybackQuality();
+ }
+
+ var videoPlaybackQuality = {};
+
+ if (typeof this.el().webkitDroppedFrameCount !== 'undefined' && typeof this.el().webkitDecodedFrameCount !== 'undefined') {
+ videoPlaybackQuality.droppedVideoFrames = this.el().webkitDroppedFrameCount;
+ videoPlaybackQuality.totalVideoFrames = this.el().webkitDecodedFrameCount;
+ }
+
+ if (window_1.performance && typeof window_1.performance.now === 'function') {
+ videoPlaybackQuality.creationTime = window_1.performance.now();
+ } else if (window_1.performance && window_1.performance.timing && typeof window_1.performance.timing.navigationStart === 'number') {
+ videoPlaybackQuality.creationTime = window_1.Date.now() - window_1.performance.timing.navigationStart;
+ }
+
+ return videoPlaybackQuality;
+ };
+
+ return Html5;
+}(Tech);
+
+/* HTML5 Support Testing ---------------------------------------------------- */
+
+if (isReal()) {
+
+ /**
+ * Element for testing browser HTML5 media capabilities
+ *
+ * @type {Element}
+ * @constant
+ * @private
+ */
+ Html5.TEST_VID = document_1.createElement('video');
+ var track = document_1.createElement('track');
+
+ track.kind = 'captions';
+ track.srclang = 'en';
+ track.label = 'English';
+ Html5.TEST_VID.appendChild(track);
+}
+
+/**
+ * Check if HTML5 media is supported by this browser/device.
+ *
+ * @return {boolean}
+ * - True if HTML5 media is supported.
+ * - False if HTML5 media is not supported.
+ */
+Html5.isSupported = function () {
+ // IE9 with no Media Player is a LIAR! (#984)
+ try {
+ Html5.TEST_VID.volume = 0.5;
+ } catch (e) {
+ return false;
+ }
+
+ return !!(Html5.TEST_VID && Html5.TEST_VID.canPlayType);
+};
+
+/**
+ * Check if the tech can support the given type
+ *
+ * @param {string} type
+ * The mimetype to check
+ * @return {string} 'probably', 'maybe', or '' (empty string)
+ */
+Html5.canPlayType = function (type) {
+ return Html5.TEST_VID.canPlayType(type);
+};
+
+/**
+ * Check if the tech can support the given source
+ * @param {Object} srcObj
+ * The source object
+ * @param {Object} options
+ * The options passed to the tech
+ * @return {string} 'probably', 'maybe', or '' (empty string)
+ */
+Html5.canPlaySource = function (srcObj, options) {
+ return Html5.canPlayType(srcObj.type);
+};
+
+/**
+ * Check if the volume can be changed in this browser/device.
+ * Volume cannot be changed in a lot of mobile devices.
+ * Specifically, it can't be changed from 1 on iOS.
+ *
+ * @return {boolean}
+ * - True if volume can be controlled
+ * - False otherwise
+ */
+Html5.canControlVolume = function () {
+ // IE will error if Windows Media Player not installed #3315
+ try {
+ var volume = Html5.TEST_VID.volume;
+
+ Html5.TEST_VID.volume = volume / 2 + 0.1;
+ return volume !== Html5.TEST_VID.volume;
+ } catch (e) {
+ return false;
+ }
+};
+
+/**
+ * Check if the playback rate can be changed in this browser/device.
+ *
+ * @return {boolean}
+ * - True if playback rate can be controlled
+ * - False otherwise
+ */
+Html5.canControlPlaybackRate = function () {
+ // Playback rate API is implemented in Android Chrome, but doesn't do anything
+ // https://github.com/videojs/video.js/issues/3180
+ if (IS_ANDROID && IS_CHROME && CHROME_VERSION < 58) {
+ return false;
+ }
+ // IE will error if Windows Media Player not installed #3315
+ try {
+ var playbackRate = Html5.TEST_VID.playbackRate;
+
+ Html5.TEST_VID.playbackRate = playbackRate / 2 + 0.1;
+ return playbackRate !== Html5.TEST_VID.playbackRate;
+ } catch (e) {
+ return false;
+ }
+};
+
+/**
+ * Check to see if native `TextTrack`s are supported by this browser/device.
+ *
+ * @return {boolean}
+ * - True if native `TextTrack`s are supported.
+ * - False otherwise
+ */
+Html5.supportsNativeTextTracks = function () {
+ return IS_ANY_SAFARI;
+};
+
+/**
+ * Check to see if native `VideoTrack`s are supported by this browser/device
+ *
+ * @return {boolean}
+ * - True if native `VideoTrack`s are supported.
+ * - False otherwise
+ */
+Html5.supportsNativeVideoTracks = function () {
+ return !!(Html5.TEST_VID && Html5.TEST_VID.videoTracks);
+};
+
+/**
+ * Check to see if native `AudioTrack`s are supported by this browser/device
+ *
+ * @return {boolean}
+ * - True if native `AudioTrack`s are supported.
+ * - False otherwise
+ */
+Html5.supportsNativeAudioTracks = function () {
+ return !!(Html5.TEST_VID && Html5.TEST_VID.audioTracks);
+};
+
+/**
+ * An array of events available on the Html5 tech.
+ *
+ * @private
+ * @type {Array}
+ */
+Html5.Events = ['loadstart', 'suspend', 'abort', 'error', 'emptied', 'stalled', 'loadedmetadata', 'loadeddata', 'canplay', 'canplaythrough', 'playing', 'waiting', 'seeking', 'seeked', 'ended', 'durationchange', 'timeupdate', 'progress', 'play', 'pause', 'ratechange', 'resize', 'volumechange'];
+
+/**
+ * Boolean indicating whether the `Tech` supports volume control.
+ *
+ * @type {boolean}
+ * @default {@link Html5.canControlVolume}
+ */
+Html5.prototype.featuresVolumeControl = Html5.canControlVolume();
+
+/**
+ * Boolean indicating whether the `Tech` supports changing the speed at which the media
+ * plays. Examples:
+ * - Set player to play 2x (twice) as fast
+ * - Set player to play 0.5x (half) as fast
+ *
+ * @type {boolean}
+ * @default {@link Html5.canControlPlaybackRate}
+ */
+Html5.prototype.featuresPlaybackRate = Html5.canControlPlaybackRate();
+
+/**
+ * Boolean indicating whether the `HTML5` tech currently supports the media element
+ * moving in the DOM. iOS breaks if you move the media element, so this is set this to
+ * false there. Everywhere else this should be true.
+ *
+ * @type {boolean}
+ * @default
+ */
+Html5.prototype.movingMediaElementInDOM = !IS_IOS;
+
+// TODO: Previous comment: No longer appears to be used. Can probably be removed.
+// Is this true?
+/**
+ * Boolean indicating whether the `HTML5` tech currently supports automatic media resize
+ * when going into fullscreen.
+ *
+ * @type {boolean}
+ * @default
+ */
+Html5.prototype.featuresFullscreenResize = true;
+
+/**
+ * Boolean indicating whether the `HTML5` tech currently supports the progress event.
+ * If this is false, manual `progress` events will be triggred instead.
+ *
+ * @type {boolean}
+ * @default
+ */
+Html5.prototype.featuresProgressEvents = true;
+
+/**
+ * Boolean indicating whether the `HTML5` tech currently supports the timeupdate event.
+ * If this is false, manual `timeupdate` events will be triggred instead.
+ *
+ * @default
+ */
+Html5.prototype.featuresTimeupdateEvents = true;
+
+/**
+ * Boolean indicating whether the `HTML5` tech currently supports native `TextTrack`s.
+ *
+ * @type {boolean}
+ * @default {@link Html5.supportsNativeTextTracks}
+ */
+Html5.prototype.featuresNativeTextTracks = Html5.supportsNativeTextTracks();
+
+/**
+ * Boolean indicating whether the `HTML5` tech currently supports native `VideoTrack`s.
+ *
+ * @type {boolean}
+ * @default {@link Html5.supportsNativeVideoTracks}
+ */
+Html5.prototype.featuresNativeVideoTracks = Html5.supportsNativeVideoTracks();
+
+/**
+ * Boolean indicating whether the `HTML5` tech currently supports native `AudioTrack`s.
+ *
+ * @type {boolean}
+ * @default {@link Html5.supportsNativeAudioTracks}
+ */
+Html5.prototype.featuresNativeAudioTracks = Html5.supportsNativeAudioTracks();
+
+// HTML5 Feature detection and Device Fixes --------------------------------- //
+var canPlayType = Html5.TEST_VID && Html5.TEST_VID.constructor.prototype.canPlayType;
+var mpegurlRE = /^application\/(?:x-|vnd\.apple\.)mpegurl/i;
+var mp4RE = /^video\/mp4/i;
+
+Html5.patchCanPlayType = function () {
+
+ // Android 4.0 and above can play HLS to some extent but it reports being unable to do so
+ // Firefox and Chrome report correctly
+ if (ANDROID_VERSION >= 4.0 && !IS_FIREFOX && !IS_CHROME) {
+ Html5.TEST_VID.constructor.prototype.canPlayType = function (type) {
+ if (type && mpegurlRE.test(type)) {
+ return 'maybe';
+ }
+ return canPlayType.call(this, type);
+ };
+
+ // Override Android 2.2 and less canPlayType method which is broken
+ } else if (IS_OLD_ANDROID) {
+ Html5.TEST_VID.constructor.prototype.canPlayType = function (type) {
+ if (type && mp4RE.test(type)) {
+ return 'maybe';
+ }
+ return canPlayType.call(this, type);
+ };
+ }
+};
+
+Html5.unpatchCanPlayType = function () {
+ var r = Html5.TEST_VID.constructor.prototype.canPlayType;
+
+ Html5.TEST_VID.constructor.prototype.canPlayType = canPlayType;
+ return r;
+};
+
+// by default, patch the media element
+Html5.patchCanPlayType();
+
+Html5.disposeMediaElement = function (el) {
+ if (!el) {
+ return;
+ }
+
+ if (el.parentNode) {
+ el.parentNode.removeChild(el);
+ }
+
+ // remove any child track or source nodes to prevent their loading
+ while (el.hasChildNodes()) {
+ el.removeChild(el.firstChild);
+ }
+
+ // remove any src reference. not setting `src=''` because that causes a warning
+ // in firefox
+ el.removeAttribute('src');
+
+ // force the media element to update its loading state by calling load()
+ // however IE on Windows 7N has a bug that throws an error so need a try/catch (#793)
+ if (typeof el.load === 'function') {
+ // wrapping in an iife so it's not deoptimized (#1060#discussion_r10324473)
+ (function () {
+ try {
+ el.load();
+ } catch (e) {
+ // not supported
+ }
+ })();
+ }
+};
+
+Html5.resetMediaElement = function (el) {
+ if (!el) {
+ return;
+ }
+
+ var sources = el.querySelectorAll('source');
+ var i = sources.length;
+
+ while (i--) {
+ el.removeChild(sources[i]);
+ }
+
+ // remove any src reference.
+ // not setting `src=''` because that throws an error
+ el.removeAttribute('src');
+
+ if (typeof el.load === 'function') {
+ // wrapping in an iife so it's not deoptimized (#1060#discussion_r10324473)
+ (function () {
+ try {
+ el.load();
+ } catch (e) {
+ // satisfy linter
+ }
+ })();
+ }
+};
+
+/* Native HTML5 element property wrapping ----------------------------------- */
+// Wrap native boolean attributes with getters that check both property and attribute
+// The list is as followed:
+// muted, defaultMuted, autoplay, controls, loop, playsinline
+[
+/**
+ * Get the value of `muted` from the media element. `muted` indicates
+ * that the volume for the media should be set to silent. This does not actually change
+ * the `volume` attribute.
+ *
+ * @method Html5#muted
+ * @return {boolean}
+ * - True if the value of `volume` should be ignored and the audio set to silent.
+ * - False if the value of `volume` should be used.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-muted}
+ */
+'muted',
+
+/**
+ * Get the value of `defaultMuted` from the media element. `defaultMuted` indicates
+ * whether the media should start muted or not. Only changes the default state of the
+ * media. `muted` and `defaultMuted` can have different values. {@link Html5#muted} indicates the
+ * current state.
+ *
+ * @method Html5#defaultMuted
+ * @return {boolean}
+ * - The value of `defaultMuted` from the media element.
+ * - True indicates that the media should start muted.
+ * - False indicates that the media should not start muted
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultmuted}
+ */
+'defaultMuted',
+
+/**
+ * Get the value of `autoplay` from the media element. `autoplay` indicates
+ * that the media should start to play as soon as the page is ready.
+ *
+ * @method Html5#autoplay
+ * @return {boolean}
+ * - The value of `autoplay` from the media element.
+ * - True indicates that the media should start as soon as the page loads.
+ * - False indicates that the media should not start as soon as the page loads.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-autoplay}
+ */
+'autoplay',
+
+/**
+ * Get the value of `controls` from the media element. `controls` indicates
+ * whether the native media controls should be shown or hidden.
+ *
+ * @method Html5#controls
+ * @return {boolean}
+ * - The value of `controls` from the media element.
+ * - True indicates that native controls should be showing.
+ * - False indicates that native controls should be hidden.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-controls}
+ */
+'controls',
+
+/**
+ * Get the value of `loop` from the media element. `loop` indicates
+ * that the media should return to the start of the media and continue playing once
+ * it reaches the end.
+ *
+ * @method Html5#loop
+ * @return {boolean}
+ * - The value of `loop` from the media element.
+ * - True indicates that playback should seek back to start once
+ * the end of a media is reached.
+ * - False indicates that playback should not loop back to the start when the
+ * end of the media is reached.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-loop}
+ */
+'loop',
+
+/**
+ * Get the value of `playsinline` from the media element. `playsinline` indicates
+ * to the browser that non-fullscreen playback is preferred when fullscreen
+ * playback is the native default, such as in iOS Safari.
+ *
+ * @method Html5#playsinline
+ * @return {boolean}
+ * - The value of `playsinline` from the media element.
+ * - True indicates that the media should play inline.
+ * - False indicates that the media should not play inline.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}
+ */
+'playsinline'].forEach(function (prop) {
+ Html5.prototype[prop] = function () {
+ return this.el_[prop] || this.el_.hasAttribute(prop);
+ };
+});
+
+// Wrap native boolean attributes with setters that set both property and attribute
+// The list is as followed:
+// setMuted, setDefaultMuted, setAutoplay, setLoop, setPlaysinline
+// setControls is special-cased above
+[
+/**
+ * Set the value of `muted` on the media element. `muted` indicates that the current
+ * audio level should be silent.
+ *
+ * @method Html5#setMuted
+ * @param {boolean} muted
+ * - True if the audio should be set to silent
+ * - False otherwise
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-muted}
+ */
+'muted',
+
+/**
+ * Set the value of `defaultMuted` on the media element. `defaultMuted` indicates that the current
+ * audio level should be silent, but will only effect the muted level on intial playback..
+ *
+ * @method Html5.prototype.setDefaultMuted
+ * @param {boolean} defaultMuted
+ * - True if the audio should be set to silent
+ * - False otherwise
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultmuted}
+ */
+'defaultMuted',
+
+/**
+ * Set the value of `autoplay` on the media element. `autoplay` indicates
+ * that the media should start to play as soon as the page is ready.
+ *
+ * @method Html5#setAutoplay
+ * @param {boolean} autoplay
+ * - True indicates that the media should start as soon as the page loads.
+ * - False indicates that the media should not start as soon as the page loads.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-autoplay}
+ */
+'autoplay',
+
+/**
+ * Set the value of `loop` on the media element. `loop` indicates
+ * that the media should return to the start of the media and continue playing once
+ * it reaches the end.
+ *
+ * @method Html5#setLoop
+ * @param {boolean} loop
+ * - True indicates that playback should seek back to start once
+ * the end of a media is reached.
+ * - False indicates that playback should not loop back to the start when the
+ * end of the media is reached.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-loop}
+ */
+'loop',
+
+/**
+ * Set the value of `playsinline` from the media element. `playsinline` indicates
+ * to the browser that non-fullscreen playback is preferred when fullscreen
+ * playback is the native default, such as in iOS Safari.
+ *
+ * @method Html5#setPlaysinline
+ * @param {boolean} playsinline
+ * - True indicates that the media should play inline.
+ * - False indicates that the media should not play inline.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}
+ */
+'playsinline'].forEach(function (prop) {
+ Html5.prototype['set' + toTitleCase(prop)] = function (v) {
+ this.el_[prop] = v;
+
+ if (v) {
+ this.el_.setAttribute(prop, prop);
+ } else {
+ this.el_.removeAttribute(prop);
+ }
+ };
+});
+
+// Wrap native properties with a getter
+// The list is as followed
+// paused, currentTime, buffered, volume, poster, preload, error, seeking
+// seekable, ended, playbackRate, defaultPlaybackRate, played, networkState
+// readyState, videoWidth, videoHeight
+[
+/**
+ * Get the value of `paused` from the media element. `paused` indicates whether the media element
+ * is currently paused or not.
+ *
+ * @method Html5#paused
+ * @return {boolean}
+ * The value of `paused` from the media element.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-paused}
+ */
+'paused',
+
+/**
+ * Get the value of `currentTime` from the media element. `currentTime` indicates
+ * the current second that the media is at in playback.
+ *
+ * @method Html5#currentTime
+ * @return {number}
+ * The value of `currentTime` from the media element.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-currenttime}
+ */
+'currentTime',
+
+/**
+ * Get the value of `buffered` from the media element. `buffered` is a `TimeRange`
+ * object that represents the parts of the media that are already downloaded and
+ * available for playback.
+ *
+ * @method Html5#buffered
+ * @return {TimeRange}
+ * The value of `buffered` from the media element.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-buffered}
+ */
+'buffered',
+
+/**
+ * Get the value of `volume` from the media element. `volume` indicates
+ * the current playback volume of audio for a media. `volume` will be a value from 0
+ * (silent) to 1 (loudest and default).
+ *
+ * @method Html5#volume
+ * @return {number}
+ * The value of `volume` from the media element. Value will be between 0-1.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-a-volume}
+ */
+'volume',
+
+/**
+ * Get the value of `poster` from the media element. `poster` indicates
+ * that the url of an image file that can/will be shown when no media data is available.
+ *
+ * @method Html5#poster
+ * @return {string}
+ * The value of `poster` from the media element. Value will be a url to an
+ * image.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-video-poster}
+ */
+'poster',
+
+/**
+ * Get the value of `preload` from the media element. `preload` indicates
+ * what should download before the media is interacted with. It can have the following
+ * values:
+ * - none: nothing should be downloaded
+ * - metadata: poster and the first few frames of the media may be downloaded to get
+ * media dimensions and other metadata
+ * - auto: allow the media and metadata for the media to be downloaded before
+ * interaction
+ *
+ * @method Html5#preload
+ * @return {string}
+ * The value of `preload` from the media element. Will be 'none', 'metadata',
+ * or 'auto'.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-preload}
+ */
+'preload',
+
+/**
+ * Get the value of the `error` from the media element. `error` indicates any
+ * MediaError that may have occured during playback. If error returns null there is no
+ * current error.
+ *
+ * @method Html5#error
+ * @return {MediaError|null}
+ * The value of `error` from the media element. Will be `MediaError` if there
+ * is a current error and null otherwise.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-error}
+ */
+'error',
+
+/**
+ * Get the value of `seeking` from the media element. `seeking` indicates whether the
+ * media is currently seeking to a new position or not.
+ *
+ * @method Html5#seeking
+ * @return {boolean}
+ * - The value of `seeking` from the media element.
+ * - True indicates that the media is currently seeking to a new position.
+ * - Flase indicates that the media is not seeking to a new position at this time.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-seeking}
+ */
+'seeking',
+
+/**
+ * Get the value of `seekable` from the media element. `seekable` returns a
+ * `TimeRange` object indicating ranges of time that can currently be `seeked` to.
+ *
+ * @method Html5#seekable
+ * @return {TimeRange}
+ * The value of `seekable` from the media element. A `TimeRange` object
+ * indicating the current ranges of time that can be seeked to.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-seekable}
+ */
+'seekable',
+
+/**
+ * Get the value of `ended` from the media element. `ended` indicates whether
+ * the media has reached the end or not.
+ *
+ * @method Html5#ended
+ * @return {boolean}
+ * - The value of `ended` from the media element.
+ * - True indicates that the media has ended.
+ * - False indicates that the media has not ended.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-ended}
+ */
+'ended',
+
+/**
+ * Get the value of `playbackRate` from the media element. `playbackRate` indicates
+ * the rate at which the media is currently playing back. Examples:
+ * - if playbackRate is set to 2, media will play twice as fast.
+ * - if playbackRate is set to 0.5, media will play half as fast.
+ *
+ * @method Html5#playbackRate
+ * @return {number}
+ * The value of `playbackRate` from the media element. A number indicating
+ * the current playback speed of the media, where 1 is normal speed.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}
+ */
+'playbackRate',
+
+/**
+ * Get the value of `defaultPlaybackRate` from the media element. `defaultPlaybackRate` indicates
+ * the rate at which the media is currently playing back. This value will not indicate the current
+ * `playbackRate` after playback has started, use {@link Html5#playbackRate} for that.
+ *
+ * Examples:
+ * - if defaultPlaybackRate is set to 2, media will play twice as fast.
+ * - if defaultPlaybackRate is set to 0.5, media will play half as fast.
+ *
+ * @method Html5.prototype.defaultPlaybackRate
+ * @return {number}
+ * The value of `defaultPlaybackRate` from the media element. A number indicating
+ * the current playback speed of the media, where 1 is normal speed.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}
+ */
+'defaultPlaybackRate',
+
+/**
+ * Get the value of `played` from the media element. `played` returns a `TimeRange`
+ * object representing points in the media timeline that have been played.
+ *
+ * @method Html5#played
+ * @return {TimeRange}
+ * The value of `played` from the media element. A `TimeRange` object indicating
+ * the ranges of time that have been played.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-played}
+ */
+'played',
+
+/**
+ * Get the value of `networkState` from the media element. `networkState` indicates
+ * the current network state. It returns an enumeration from the following list:
+ * - 0: NETWORK_EMPTY
+ * - 1: NEWORK_IDLE
+ * - 2: NETWORK_LOADING
+ * - 3: NETWORK_NO_SOURCE
+ *
+ * @method Html5#networkState
+ * @return {number}
+ * The value of `networkState` from the media element. This will be a number
+ * from the list in the description.
+ *
+ * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-networkstate}
+ */
+'networkState',
+
+/**
+ * Get the value of `readyState` from the media element. `readyState` indicates
+ * the current state of the media element. It returns an enumeration from the
+ * following list:
+ * - 0: HAVE_NOTHING
+ * - 1: HAVE_METADATA
+ * - 2: HAVE_CURRENT_DATA
+ * - 3: HAVE_FUTURE_DATA
+ * - 4: HAVE_ENOUGH_DATA
+ *
+ * @method Html5#readyState
+ * @return {number}
+ * The value of `readyState` from the media element. This will be a number
+ * from the list in the description.
+ *
+ * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#ready-states}
+ */
+'readyState',
+
+/**
+ * Get the value of `videoWidth` from the video element. `videoWidth` indicates
+ * the current width of the video in css pixels.
+ *
+ * @method Html5#videoWidth
+ * @return {number}
+ * The value of `videoWidth` from the video element. This will be a number
+ * in css pixels.
+ *
+ * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-video-videowidth}
+ */
+'videoWidth',
+
+/**
+ * Get the value of `videoHeight` from the video element. `videoHeigth` indicates
+ * the current height of the video in css pixels.
+ *
+ * @method Html5#videoHeight
+ * @return {number}
+ * The value of `videoHeight` from the video element. This will be a number
+ * in css pixels.
+ *
+ * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-video-videowidth}
+ */
+'videoHeight'].forEach(function (prop) {
+ Html5.prototype[prop] = function () {
+ return this.el_[prop];
+ };
+});
+
+// Wrap native properties with a setter in this format:
+// set + toTitleCase(name)
+// The list is as follows:
+// setVolume, setSrc, setPoster, setPreload, setPlaybackRate, setDefaultPlaybackRate
+[
+/**
+ * Set the value of `volume` on the media element. `volume` indicates the current
+ * audio level as a percentage in decimal form. This means that 1 is 100%, 0.5 is 50%, and
+ * so on.
+ *
+ * @method Html5#setVolume
+ * @param {number} percentAsDecimal
+ * The volume percent as a decimal. Valid range is from 0-1.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-a-volume}
+ */
+'volume',
+
+/**
+ * Set the value of `src` on the media element. `src` indicates the current
+ * {@link Tech~SourceObject} for the media.
+ *
+ * @method Html5#setSrc
+ * @param {Tech~SourceObject} src
+ * The source object to set as the current source.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-src}
+ */
+'src',
+
+/**
+ * Set the value of `poster` on the media element. `poster` is the url to
+ * an image file that can/will be shown when no media data is available.
+ *
+ * @method Html5#setPoster
+ * @param {string} poster
+ * The url to an image that should be used as the `poster` for the media
+ * element.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-poster}
+ */
+'poster',
+
+/**
+ * Set the value of `preload` on the media element. `preload` indicates
+ * what should download before the media is interacted with. It can have the following
+ * values:
+ * - none: nothing should be downloaded
+ * - metadata: poster and the first few frames of the media may be downloaded to get
+ * media dimensions and other metadata
+ * - auto: allow the media and metadata for the media to be downloaded before
+ * interaction
+ *
+ * @method Html5#setPreload
+ * @param {string} preload
+ * The value of `preload` to set on the media element. Must be 'none', 'metadata',
+ * or 'auto'.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-preload}
+ */
+'preload',
+
+/**
+ * Set the value of `playbackRate` on the media element. `playbackRate` indicates
+ * the rate at which the media should play back. Examples:
+ * - if playbackRate is set to 2, media will play twice as fast.
+ * - if playbackRate is set to 0.5, media will play half as fast.
+ *
+ * @method Html5#setPlaybackRate
+ * @return {number}
+ * The value of `playbackRate` from the media element. A number indicating
+ * the current playback speed of the media, where 1 is normal speed.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}
+ */
+'playbackRate',
+
+/**
+ * Set the value of `defaultPlaybackRate` on the media element. `defaultPlaybackRate` indicates
+ * the rate at which the media should play back upon initial startup. Changing this value
+ * after a video has started will do nothing. Instead you should used {@link Html5#setPlaybackRate}.
+ *
+ * Example Values:
+ * - if playbackRate is set to 2, media will play twice as fast.
+ * - if playbackRate is set to 0.5, media will play half as fast.
+ *
+ * @method Html5.prototype.setDefaultPlaybackRate
+ * @return {number}
+ * The value of `defaultPlaybackRate` from the media element. A number indicating
+ * the current playback speed of the media, where 1 is normal speed.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultplaybackrate}
+ */
+'defaultPlaybackRate'].forEach(function (prop) {
+ Html5.prototype['set' + toTitleCase(prop)] = function (v) {
+ this.el_[prop] = v;
+ };
+});
+
+// wrap native functions with a function
+// The list is as follows:
+// pause, load play
+[
+/**
+ * A wrapper around the media elements `pause` function. This will call the `HTML5`
+ * media elements `pause` function.
+ *
+ * @method Html5#pause
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-pause}
+ */
+'pause',
+
+/**
+ * A wrapper around the media elements `load` function. This will call the `HTML5`s
+ * media element `load` function.
+ *
+ * @method Html5#load
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-load}
+ */
+'load',
+
+/**
+ * A wrapper around the media elements `play` function. This will call the `HTML5`s
+ * media element `play` function.
+ *
+ * @method Html5#play
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-play}
+ */
+'play'].forEach(function (prop) {
+ Html5.prototype[prop] = function () {
+ return this.el_[prop]();
+ };
+});
+
+Tech.withSourceHandlers(Html5);
+
+/**
+ * Native source handler for Html5, simply passes the source to the media element.
+ *
+ * @proprety {Tech~SourceObject} source
+ * The source object
+ *
+ * @proprety {Html5} tech
+ * The instance of the HTML5 tech.
+ */
+Html5.nativeSourceHandler = {};
+
+/**
+ * Check if the media element can play the given mime type.
+ *
+ * @param {string} type
+ * The mimetype to check
+ *
+ * @return {string}
+ * 'probably', 'maybe', or '' (empty string)
+ */
+Html5.nativeSourceHandler.canPlayType = function (type) {
+ // IE9 on Windows 7 without MediaPlayer throws an error here
+ // https://github.com/videojs/video.js/issues/519
+ try {
+ return Html5.TEST_VID.canPlayType(type);
+ } catch (e) {
+ return '';
+ }
+};
+
+/**
+ * Check if the media element can handle a source natively.
+ *
+ * @param {Tech~SourceObject} source
+ * The source object
+ *
+ * @param {Object} [options]
+ * Options to be passed to the tech.
+ *
+ * @return {string}
+ * 'probably', 'maybe', or '' (empty string).
+ */
+Html5.nativeSourceHandler.canHandleSource = function (source, options) {
+
+ // If a type was provided we should rely on that
+ if (source.type) {
+ return Html5.nativeSourceHandler.canPlayType(source.type);
+
+ // If no type, fall back to checking 'video/[EXTENSION]'
+ } else if (source.src) {
+ var ext = getFileExtension(source.src);
+
+ return Html5.nativeSourceHandler.canPlayType('video/' + ext);
+ }
+
+ return '';
+};
+
+/**
+ * Pass the source to the native media element.
+ *
+ * @param {Tech~SourceObject} source
+ * The source object
+ *
+ * @param {Html5} tech
+ * The instance of the Html5 tech
+ *
+ * @param {Object} [options]
+ * The options to pass to the source
+ */
+Html5.nativeSourceHandler.handleSource = function (source, tech, options) {
+ tech.setSrc(source.src);
+};
+
+/**
+ * A noop for the native dispose function, as cleanup is not needed.
+ */
+Html5.nativeSourceHandler.dispose = function () {};
+
+// Register the native source handler
+Html5.registerSourceHandler(Html5.nativeSourceHandler);
+
+Tech.registerTech('Html5', Html5);
+
+var _templateObject$1 = taggedTemplateLiteralLoose(['\n Using the tech directly can be dangerous. I hope you know what you\'re doing.\n See https://github.com/videojs/video.js/issues/2617 for more info.\n '], ['\n Using the tech directly can be dangerous. I hope you know what you\'re doing.\n See https://github.com/videojs/video.js/issues/2617 for more info.\n ']);
+
+/**
+ * @file player.js
+ */
+// Subclasses Component
+// The following imports are used only to ensure that the corresponding modules
+// are always included in the video.js package. Importing the modules will
+// execute them and they will register themselves with video.js.
+// Import Html5 tech, at least for disposing the original video tag.
+// The following tech events are simply re-triggered
+// on the player when they happen
+var TECH_EVENTS_RETRIGGER = [
+/**
+ * Fired while the user agent is downloading media data.
+ *
+ * @event Player#progress
+ * @type {EventTarget~Event}
+ */
+/**
+ * Retrigger the `progress` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechProgress_
+ * @fires Player#progress
+ * @listens Tech#progress
+ */
+'progress',
+
+/**
+ * Fires when the loading of an audio/video is aborted.
+ *
+ * @event Player#abort
+ * @type {EventTarget~Event}
+ */
+/**
+ * Retrigger the `abort` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechAbort_
+ * @fires Player#abort
+ * @listens Tech#abort
+ */
+'abort',
+
+/**
+ * Fires when the browser is intentionally not getting media data.
+ *
+ * @event Player#suspend
+ * @type {EventTarget~Event}
+ */
+/**
+ * Retrigger the `suspend` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechSuspend_
+ * @fires Player#suspend
+ * @listens Tech#suspend
+ */
+'suspend',
+
+/**
+ * Fires when the current playlist is empty.
+ *
+ * @event Player#emptied
+ * @type {EventTarget~Event}
+ */
+/**
+ * Retrigger the `emptied` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechEmptied_
+ * @fires Player#emptied
+ * @listens Tech#emptied
+ */
+'emptied',
+/**
+ * Fires when the browser is trying to get media data, but data is not available.
+ *
+ * @event Player#stalled
+ * @type {EventTarget~Event}
+ */
+/**
+ * Retrigger the `stalled` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechStalled_
+ * @fires Player#stalled
+ * @listens Tech#stalled
+ */
+'stalled',
+
+/**
+ * Fires when the browser has loaded meta data for the audio/video.
+ *
+ * @event Player#loadedmetadata
+ * @type {EventTarget~Event}
+ */
+/**
+ * Retrigger the `stalled` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechLoadedmetadata_
+ * @fires Player#loadedmetadata
+ * @listens Tech#loadedmetadata
+ */
+'loadedmetadata',
+
+/**
+ * Fires when the browser has loaded the current frame of the audio/video.
+ *
+ * @event Player#loadeddata
+ * @type {event}
+ */
+/**
+ * Retrigger the `loadeddata` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechLoaddeddata_
+ * @fires Player#loadeddata
+ * @listens Tech#loadeddata
+ */
+'loadeddata',
+
+/**
+ * Fires when the current playback position has changed.
+ *
+ * @event Player#timeupdate
+ * @type {event}
+ */
+/**
+ * Retrigger the `timeupdate` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechTimeUpdate_
+ * @fires Player#timeupdate
+ * @listens Tech#timeupdate
+ */
+'timeupdate',
+
+/**
+ * Fires when the playing speed of the audio/video is changed
+ *
+ * @event Player#ratechange
+ * @type {event}
+ */
+/**
+ * Retrigger the `ratechange` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechRatechange_
+ * @fires Player#ratechange
+ * @listens Tech#ratechange
+ */
+'ratechange',
+
+/**
+ * Fires when the video's intrinsic dimensions change
+ *
+ * @event Player#resize
+ * @type {event}
+ */
+/**
+ * Retrigger the `resize` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechResize_
+ * @fires Player#resize
+ * @listens Tech#resize
+ */
+'resize',
+
+/**
+ * Fires when the volume has been changed
+ *
+ * @event Player#volumechange
+ * @type {event}
+ */
+/**
+ * Retrigger the `volumechange` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechVolumechange_
+ * @fires Player#volumechange
+ * @listens Tech#volumechange
+ */
+'volumechange',
+
+/**
+ * Fires when the text track has been changed
+ *
+ * @event Player#texttrackchange
+ * @type {event}
+ */
+/**
+ * Retrigger the `texttrackchange` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechTexttrackchange_
+ * @fires Player#texttrackchange
+ * @listens Tech#texttrackchange
+ */
+'texttrackchange'];
+
+/**
+ * An instance of the `Player` class is created when any of the Video.js setup methods
+ * are used to initialize a video.
+ *
+ * After an instance has been created it can be accessed globally in two ways:
+ * 1. By calling `videojs('example_video_1');`
+ * 2. By using it directly via `videojs.players.example_video_1;`
+ *
+ * @extends Component
+ */
+
+var Player = function (_Component) {
+ inherits(Player, _Component);
+
+ /**
+ * Create an instance of this class.
+ *
+ * @param {Element} tag
+ * The original video DOM element used for configuring options.
+ *
+ * @param {Object} [options]
+ * Object of option names and values.
+ *
+ * @param {Component~ReadyCallback} [ready]
+ * Ready callback function.
+ */
+ function Player(tag, options, ready) {
+ classCallCheck(this, Player);
+
+ // Make sure tag ID exists
+ tag.id = tag.id || 'vjs_video_' + newGUID();
+
+ // Set Options
+ // The options argument overrides options set in the video tag
+ // which overrides globally set options.
+ // This latter part coincides with the load order
+ // (tag must exist before Player)
+ options = assign(Player.getTagSettings(tag), options);
+
+ // Delay the initialization of children because we need to set up
+ // player properties first, and can't use `this` before `super()`
+ options.initChildren = false;
+
+ // Same with creating the element
+ options.createEl = false;
+
+ // don't auto mixin the evented mixin
+ options.evented = false;
+
+ // we don't want the player to report touch activity on itself
+ // see enableTouchActivity in Component
+ options.reportTouchActivity = false;
+
+ // If language is not set, get the closest lang attribute
+ if (!options.language) {
+ if (typeof tag.closest === 'function') {
+ var closest = tag.closest('[lang]');
+
+ if (closest && closest.getAttribute) {
+ options.language = closest.getAttribute('lang');
+ }
+ } else {
+ var element = tag;
+
+ while (element && element.nodeType === 1) {
+ if (getAttributes(element).hasOwnProperty('lang')) {
+ options.language = element.getAttribute('lang');
+ break;
+ }
+ element = element.parentNode;
+ }
+ }
+ }
+
+ // Run base component initializing with new options
+
+ // Turn off API access because we're loading a new tech that might load asynchronously
+ var _this = possibleConstructorReturn(this, _Component.call(this, null, options, ready));
+
+ _this.isReady_ = false;
+
+ // Init state hasStarted_
+ _this.hasStarted_ = false;
+
+ // Init state userActive_
+ _this.userActive_ = false;
+
+ // if the global option object was accidentally blown away by
+ // someone, bail early with an informative error
+ if (!_this.options_ || !_this.options_.techOrder || !_this.options_.techOrder.length) {
+ throw new Error('No techOrder specified. Did you overwrite ' + 'videojs.options instead of just changing the ' + 'properties you want to override?');
+ }
+
+ // Store the original tag used to set options
+ _this.tag = tag;
+
+ // Store the tag attributes used to restore html5 element
+ _this.tagAttributes = tag && getAttributes(tag);
+
+ // Update current language
+ _this.language(_this.options_.language);
+
+ // Update Supported Languages
+ if (options.languages) {
+ // Normalise player option languages to lowercase
+ var languagesToLower = {};
+
+ Object.getOwnPropertyNames(options.languages).forEach(function (name$$1) {
+ languagesToLower[name$$1.toLowerCase()] = options.languages[name$$1];
+ });
+ _this.languages_ = languagesToLower;
+ } else {
+ _this.languages_ = Player.prototype.options_.languages;
+ }
+
+ // Cache for video property values.
+ _this.cache_ = {};
+
+ // Set poster
+ _this.poster_ = options.poster || '';
+
+ // Set controls
+ _this.controls_ = !!options.controls;
+
+ // Set default values for lastVolume
+ _this.cache_.lastVolume = 1;
+
+ // Original tag settings stored in options
+ // now remove immediately so native controls don't flash.
+ // May be turned back on by HTML5 tech if nativeControlsForTouch is true
+ tag.controls = false;
+ tag.removeAttribute('controls');
+
+ /*
+ * Store the internal state of scrubbing
+ *
+ * @private
+ * @return {Boolean} True if the user is scrubbing
+ */
+ _this.scrubbing_ = false;
+
+ _this.el_ = _this.createEl();
+
+ // Make this an evented object and use `el_` as its event bus.
+ evented(_this, { eventBusKey: 'el_' });
+
+ // We also want to pass the original player options to each component and plugin
+ // as well so they don't need to reach back into the player for options later.
+ // We also need to do another copy of this.options_ so we don't end up with
+ // an infinite loop.
+ var playerOptionsCopy = mergeOptions(_this.options_);
+
+ // Load plugins
+ if (options.plugins) {
+ var plugins = options.plugins;
+
+ Object.keys(plugins).forEach(function (name$$1) {
+ if (typeof this[name$$1] === 'function') {
+ this[name$$1](plugins[name$$1]);
+ } else {
+ throw new Error('plugin "' + name$$1 + '" does not exist');
+ }
+ }, _this);
+ }
+
+ _this.options_.playerOptions = playerOptionsCopy;
+
+ _this.middleware_ = [];
+
+ _this.initChildren();
+
+ // Set isAudio based on whether or not an audio tag was used
+ _this.isAudio(tag.nodeName.toLowerCase() === 'audio');
+
+ // Update controls className. Can't do this when the controls are initially
+ // set because the element doesn't exist yet.
+ if (_this.controls()) {
+ _this.addClass('vjs-controls-enabled');
+ } else {
+ _this.addClass('vjs-controls-disabled');
+ }
+
+ // Set ARIA label and region role depending on player type
+ _this.el_.setAttribute('role', 'region');
+ if (_this.isAudio()) {
+ _this.el_.setAttribute('aria-label', _this.localize('Audio Player'));
+ } else {
+ _this.el_.setAttribute('aria-label', _this.localize('Video Player'));
+ }
+
+ if (_this.isAudio()) {
+ _this.addClass('vjs-audio');
+ }
+
+ if (_this.flexNotSupported_()) {
+ _this.addClass('vjs-no-flex');
+ }
+
+ // TODO: Make this smarter. Toggle user state between touching/mousing
+ // using events, since devices can have both touch and mouse events.
+ // if (browser.TOUCH_ENABLED) {
+ // this.addClass('vjs-touch-enabled');
+ // }
+
+ // iOS Safari has broken hover handling
+ if (!IS_IOS) {
+ _this.addClass('vjs-workinghover');
+ }
+
+ // Make player easily findable by ID
+ Player.players[_this.id_] = _this;
+
+ // Add a major version class to aid css in plugins
+ var majorVersion = version.split('.')[0];
+
+ _this.addClass('vjs-v' + majorVersion);
+
+ // When the player is first initialized, trigger activity so components
+ // like the control bar show themselves if needed
+ _this.userActive(true);
+ _this.reportUserActivity();
+ _this.listenForUserActivity_();
+
+ _this.on('fullscreenchange', _this.handleFullscreenChange_);
+ _this.on('stageclick', _this.handleStageClick_);
+
+ _this.changingSrc_ = false;
+ _this.playWaitingForReady_ = false;
+ _this.playOnLoadstart_ = null;
+
+ _this.forceAutoplayInChrome_();
+ return _this;
+ }
+
+ /**
+ * Destroys the video player and does any necessary cleanup.
+ *
+ * This is especially helpful if you are dynamically adding and removing videos
+ * to/from the DOM.
+ *
+ * @fires Player#dispose
+ */
+
+
+ Player.prototype.dispose = function dispose() {
+ /**
+ * Called when the player is being disposed of.
+ *
+ * @event Player#dispose
+ * @type {EventTarget~Event}
+ */
+ this.trigger('dispose');
+ // prevent dispose from being called twice
+ this.off('dispose');
+
+ if (this.styleEl_ && this.styleEl_.parentNode) {
+ this.styleEl_.parentNode.removeChild(this.styleEl_);
+ this.styleEl_ = null;
+ }
+
+ // Kill reference to this player
+ Player.players[this.id_] = null;
+
+ if (this.tag && this.tag.player) {
+ this.tag.player = null;
+ }
+
+ if (this.el_ && this.el_.player) {
+ this.el_.player = null;
+ }
+
+ if (this.tech_) {
+ this.tech_.dispose();
+ }
+
+ if (this.playerElIngest_) {
+ this.playerElIngest_ = null;
+ }
+
+ if (this.tag) {
+ this.tag = null;
+ }
+
+ clearCacheForPlayer(this);
+
+ // the actual .el_ is removed here
+ _Component.prototype.dispose.call(this);
+ };
+
+ /**
+ * Create the `Player`'s DOM element.
+ *
+ * @return {Element}
+ * The DOM element that gets created.
+ */
+
+
+ Player.prototype.createEl = function createEl$$1() {
+ var tag = this.tag;
+ var el = void 0;
+ var playerElIngest = this.playerElIngest_ = tag.parentNode && tag.parentNode.hasAttribute && tag.parentNode.hasAttribute('data-vjs-player');
+ var divEmbed = this.tag.tagName.toLowerCase() === 'video-js';
+
+ if (playerElIngest) {
+ el = this.el_ = tag.parentNode;
+ } else if (!divEmbed) {
+ el = this.el_ = _Component.prototype.createEl.call(this, 'div');
+ }
+
+ // Copy over all the attributes from the tag, including ID and class
+ // ID will now reference player box, not the video tag
+ var attrs = getAttributes(tag);
+
+ if (divEmbed) {
+ el = this.el_ = tag;
+ tag = this.tag = document_1.createElement('video');
+ while (el.children.length) {
+ tag.appendChild(el.firstChild);
+ }
+
+ if (!hasClass(el, 'video-js')) {
+ addClass(el, 'video-js');
+ }
+
+ el.appendChild(tag);
+
+ playerElIngest = this.playerElIngest_ = el;
+ }
+
+ // set tabindex to -1 so we could focus on the player element
+ tag.setAttribute('tabindex', '-1');
+
+ // Remove width/height attrs from tag so CSS can make it 100% width/height
+ tag.removeAttribute('width');
+ tag.removeAttribute('height');
+
+ Object.getOwnPropertyNames(attrs).forEach(function (attr) {
+ // workaround so we don't totally break IE7
+ // http://stackoverflow.com/questions/3653444/css-styles-not-applied-on-dynamic-elements-in-internet-explorer-7
+ if (attr === 'class') {
+ el.className += ' ' + attrs[attr];
+
+ if (divEmbed) {
+ tag.className += ' ' + attrs[attr];
+ }
+ } else {
+ el.setAttribute(attr, attrs[attr]);
+
+ if (divEmbed) {
+ tag.setAttribute(attr, attrs[attr]);
+ }
+ }
+ });
+
+ // Update tag id/class for use as HTML5 playback tech
+ // Might think we should do this after embedding in container so .vjs-tech class
+ // doesn't flash 100% width/height, but class only applies with .video-js parent
+ tag.playerId = tag.id;
+ tag.id += '_html5_api';
+ tag.className = 'vjs-tech';
+
+ // Make player findable on elements
+ tag.player = el.player = this;
+ // Default state of video is paused
+ this.addClass('vjs-paused');
+
+ // Add a style element in the player that we'll use to set the width/height
+ // of the player in a way that's still overrideable by CSS, just like the
+ // video element
+ if (window_1.VIDEOJS_NO_DYNAMIC_STYLE !== true) {
+ this.styleEl_ = createStyleElement('vjs-styles-dimensions');
+ var defaultsStyleEl = $('.vjs-styles-defaults');
+ var head = $('head');
+
+ head.insertBefore(this.styleEl_, defaultsStyleEl ? defaultsStyleEl.nextSibling : head.firstChild);
+ }
+
+ // Pass in the width/height/aspectRatio options which will update the style el
+ this.width(this.options_.width);
+ this.height(this.options_.height);
+ this.fluid(this.options_.fluid);
+ this.aspectRatio(this.options_.aspectRatio);
+
+ // Hide any links within the video/audio tag, because IE doesn't hide them completely.
+ var links = tag.getElementsByTagName('a');
+
+ for (var i = 0; i < links.length; i++) {
+ var linkEl = links.item(i);
+
+ addClass(linkEl, 'vjs-hidden');
+ linkEl.setAttribute('hidden', 'hidden');
+ }
+
+ // insertElFirst seems to cause the networkState to flicker from 3 to 2, so
+ // keep track of the original for later so we can know if the source originally failed
+ tag.initNetworkState_ = tag.networkState;
+
+ // Wrap video tag in div (el/box) container
+ if (tag.parentNode && !playerElIngest) {
+ tag.parentNode.insertBefore(el, tag);
+ }
+
+ // insert the tag as the first child of the player element
+ // then manually add it to the children array so that this.addChild
+ // will work properly for other components
+ //
+ // Breaks iPhone, fixed in HTML5 setup.
+ prependTo(tag, el);
+ this.children_.unshift(tag);
+
+ // Set lang attr on player to ensure CSS :lang() in consistent with player
+ // if it's been set to something different to the doc
+ this.el_.setAttribute('lang', this.language_);
+
+ this.el_ = el;
+
+ return el;
+ };
+
+ /**
+ * A getter/setter for the `Player`'s width. Returns the player's configured value.
+ * To get the current width use `currentWidth()`.
+ *
+ * @param {number} [value]
+ * The value to set the `Player`'s width to.
+ *
+ * @return {number}
+ * The current width of the `Player` when getting.
+ */
+
+
+ Player.prototype.width = function width(value) {
+ return this.dimension('width', value);
+ };
+
+ /**
+ * A getter/setter for the `Player`'s height. Returns the player's configured value.
+ * To get the current height use `currentheight()`.
+ *
+ * @param {number} [value]
+ * The value to set the `Player`'s heigth to.
+ *
+ * @return {number}
+ * The current height of the `Player` when getting.
+ */
+
+
+ Player.prototype.height = function height(value) {
+ return this.dimension('height', value);
+ };
+
+ /**
+ * A getter/setter for the `Player`'s width & height.
+ *
+ * @param {string} dimension
+ * This string can be:
+ * - 'width'
+ * - 'height'
+ *
+ * @param {number} [value]
+ * Value for dimension specified in the first argument.
+ *
+ * @return {number}
+ * The dimension arguments value when getting (width/height).
+ */
+
+
+ Player.prototype.dimension = function dimension(_dimension, value) {
+ var privDimension = _dimension + '_';
+
+ if (value === undefined) {
+ return this[privDimension] || 0;
+ }
+
+ if (value === '') {
+ // If an empty string is given, reset the dimension to be automatic
+ this[privDimension] = undefined;
+ this.updateStyleEl_();
+ return;
+ }
+
+ var parsedVal = parseFloat(value);
+
+ if (isNaN(parsedVal)) {
+ log$1.error('Improper value "' + value + '" supplied for for ' + _dimension);
+ return;
+ }
+
+ this[privDimension] = parsedVal;
+ this.updateStyleEl_();
+ };
+
+ /**
+ * A getter/setter/toggler for the vjs-fluid `className` on the `Player`.
+ *
+ * @param {boolean} [bool]
+ * - A value of true adds the class.
+ * - A value of false removes the class.
+ * - No value will toggle the fluid class.
+ *
+ * @return {boolean|undefined}
+ * - The value of fluid when getting.
+ * - `undefined` when setting.
+ */
+
+
+ Player.prototype.fluid = function fluid(bool) {
+ if (bool === undefined) {
+ return !!this.fluid_;
+ }
+
+ this.fluid_ = !!bool;
+
+ if (bool) {
+ this.addClass('vjs-fluid');
+ } else {
+ this.removeClass('vjs-fluid');
+ }
+
+ this.updateStyleEl_();
+ };
+
+ /**
+ * Get/Set the aspect ratio
+ *
+ * @param {string} [ratio]
+ * Aspect ratio for player
+ *
+ * @return {string|undefined}
+ * returns the current aspect ratio when getting
+ */
+
+ /**
+ * A getter/setter for the `Player`'s aspect ratio.
+ *
+ * @param {string} [ratio]
+ * The value to set the `Player's aspect ratio to.
+ *
+ * @return {string|undefined}
+ * - The current aspect ratio of the `Player` when getting.
+ * - undefined when setting
+ */
+
+
+ Player.prototype.aspectRatio = function aspectRatio(ratio) {
+ if (ratio === undefined) {
+ return this.aspectRatio_;
+ }
+
+ // Check for width:height format
+ if (!/^\d+\:\d+$/.test(ratio)) {
+ throw new Error('Improper value supplied for aspect ratio. The format should be width:height, for example 16:9.');
+ }
+ this.aspectRatio_ = ratio;
+
+ // We're assuming if you set an aspect ratio you want fluid mode,
+ // because in fixed mode you could calculate width and height yourself.
+ this.fluid(true);
+
+ this.updateStyleEl_();
+ };
+
+ /**
+ * Update styles of the `Player` element (height, width and aspect ratio).
+ *
+ * @private
+ * @listens Tech#loadedmetadata
+ */
+
+
+ Player.prototype.updateStyleEl_ = function updateStyleEl_() {
+ if (window_1.VIDEOJS_NO_DYNAMIC_STYLE === true) {
+ var _width = typeof this.width_ === 'number' ? this.width_ : this.options_.width;
+ var _height = typeof this.height_ === 'number' ? this.height_ : this.options_.height;
+ var techEl = this.tech_ && this.tech_.el();
+
+ if (techEl) {
+ if (_width >= 0) {
+ techEl.width = _width;
+ }
+ if (_height >= 0) {
+ techEl.height = _height;
+ }
+ }
+
+ return;
+ }
+
+ var width = void 0;
+ var height = void 0;
+ var aspectRatio = void 0;
+ var idClass = void 0;
+
+ // The aspect ratio is either used directly or to calculate width and height.
+ if (this.aspectRatio_ !== undefined && this.aspectRatio_ !== 'auto') {
+ // Use any aspectRatio that's been specifically set
+ aspectRatio = this.aspectRatio_;
+ } else if (this.videoWidth() > 0) {
+ // Otherwise try to get the aspect ratio from the video metadata
+ aspectRatio = this.videoWidth() + ':' + this.videoHeight();
+ } else {
+ // Or use a default. The video element's is 2:1, but 16:9 is more common.
+ aspectRatio = '16:9';
+ }
+
+ // Get the ratio as a decimal we can use to calculate dimensions
+ var ratioParts = aspectRatio.split(':');
+ var ratioMultiplier = ratioParts[1] / ratioParts[0];
+
+ if (this.width_ !== undefined) {
+ // Use any width that's been specifically set
+ width = this.width_;
+ } else if (this.height_ !== undefined) {
+ // Or calulate the width from the aspect ratio if a height has been set
+ width = this.height_ / ratioMultiplier;
+ } else {
+ // Or use the video's metadata, or use the video el's default of 300
+ width = this.videoWidth() || 300;
+ }
+
+ if (this.height_ !== undefined) {
+ // Use any height that's been specifically set
+ height = this.height_;
+ } else {
+ // Otherwise calculate the height from the ratio and the width
+ height = width * ratioMultiplier;
+ }
+
+ // Ensure the CSS class is valid by starting with an alpha character
+ if (/^[^a-zA-Z]/.test(this.id())) {
+ idClass = 'dimensions-' + this.id();
+ } else {
+ idClass = this.id() + '-dimensions';
+ }
+
+ // Ensure the right class is still on the player for the style element
+ this.addClass(idClass);
+
+ setTextContent(this.styleEl_, '\n .' + idClass + ' {\n width: ' + width + 'px;\n height: ' + height + 'px;\n }\n\n .' + idClass + '.vjs-fluid {\n padding-top: ' + ratioMultiplier * 100 + '%;\n }\n ');
+ };
+
+ /**
+ * Load/Create an instance of playback {@link Tech} including element
+ * and API methods. Then append the `Tech` element in `Player` as a child.
+ *
+ * @param {string} techName
+ * name of the playback technology
+ *
+ * @param {string} source
+ * video source
+ *
+ * @private
+ */
+
+
+ Player.prototype.loadTech_ = function loadTech_(techName, source) {
+ var _this2 = this;
+
+ // Pause and remove current playback technology
+ if (this.tech_) {
+ this.unloadTech_();
+ }
+
+ var titleTechName = toTitleCase(techName);
+ var camelTechName = techName.charAt(0).toLowerCase() + techName.slice(1);
+
+ // get rid of the HTML5 video tag as soon as we are using another tech
+ if (titleTechName !== 'Html5' && this.tag) {
+ Tech.getTech('Html5').disposeMediaElement(this.tag);
+ this.tag.player = null;
+ this.tag = null;
+ }
+
+ this.techName_ = titleTechName;
+
+ // Turn off API access because we're loading a new tech that might load asynchronously
+ this.isReady_ = false;
+
+ // Grab tech-specific options from player options and add source and parent element to use.
+ var techOptions = {
+ source: source,
+ 'nativeControlsForTouch': this.options_.nativeControlsForTouch,
+ 'playerId': this.id(),
+ 'techId': this.id() + '_' + titleTechName + '_api',
+ 'autoplay': this.options_.autoplay,
+ 'playsinline': this.options_.playsinline,
+ 'preload': this.options_.preload,
+ 'loop': this.options_.loop,
+ 'muted': this.options_.muted,
+ 'poster': this.poster(),
+ 'language': this.language(),
+ 'playerElIngest': this.playerElIngest_ || false,
+ 'vtt.js': this.options_['vtt.js']
+ };
+
+ ALL.names.forEach(function (name$$1) {
+ var props = ALL[name$$1];
+
+ techOptions[props.getterName] = _this2[props.privateName];
+ });
+
+ assign(techOptions, this.options_[titleTechName]);
+ assign(techOptions, this.options_[camelTechName]);
+ assign(techOptions, this.options_[techName.toLowerCase()]);
+
+ if (this.tag) {
+ techOptions.tag = this.tag;
+ }
+
+ if (source && source.src === this.cache_.src && this.cache_.currentTime > 0) {
+ techOptions.startTime = this.cache_.currentTime;
+ }
+
+ // Initialize tech instance
+ var TechClass = Tech.getTech(techName);
+
+ if (!TechClass) {
+ throw new Error('No Tech named \'' + titleTechName + '\' exists! \'' + titleTechName + '\' should be registered using videojs.registerTech()\'');
+ }
+
+ this.tech_ = new TechClass(techOptions);
+
+ // player.triggerReady is always async, so don't need this to be async
+ this.tech_.ready(bind(this, this.handleTechReady_), true);
+
+ textTrackConverter.jsonToTextTracks(this.textTracksJson_ || [], this.tech_);
+
+ // Listen to all HTML5-defined events and trigger them on the player
+ TECH_EVENTS_RETRIGGER.forEach(function (event) {
+ _this2.on(_this2.tech_, event, _this2['handleTech' + toTitleCase(event) + '_']);
+ });
+ this.on(this.tech_, 'loadstart', this.handleTechLoadStart_);
+ this.on(this.tech_, 'waiting', this.handleTechWaiting_);
+ this.on(this.tech_, 'canplay', this.handleTechCanPlay_);
+ this.on(this.tech_, 'canplaythrough', this.handleTechCanPlayThrough_);
+ this.on(this.tech_, 'playing', this.handleTechPlaying_);
+ this.on(this.tech_, 'ended', this.handleTechEnded_);
+ this.on(this.tech_, 'seeking', this.handleTechSeeking_);
+ this.on(this.tech_, 'seeked', this.handleTechSeeked_);
+ this.on(this.tech_, 'play', this.handleTechPlay_);
+ this.on(this.tech_, 'firstplay', this.handleTechFirstPlay_);
+ this.on(this.tech_, 'pause', this.handleTechPause_);
+ this.on(this.tech_, 'durationchange', this.handleTechDurationChange_);
+ this.on(this.tech_, 'fullscreenchange', this.handleTechFullscreenChange_);
+ this.on(this.tech_, 'error', this.handleTechError_);
+ this.on(this.tech_, 'loadedmetadata', this.updateStyleEl_);
+ this.on(this.tech_, 'posterchange', this.handleTechPosterChange_);
+ this.on(this.tech_, 'textdata', this.handleTechTextData_);
+
+ this.usingNativeControls(this.techGet_('controls'));
+
+ if (this.controls() && !this.usingNativeControls()) {
+ this.addTechControlsListeners_();
+ }
+
+ // Add the tech element in the DOM if it was not already there
+ // Make sure to not insert the original video element if using Html5
+ if (this.tech_.el().parentNode !== this.el() && (titleTechName !== 'Html5' || !this.tag)) {
+ prependTo(this.tech_.el(), this.el());
+ }
+
+ // Get rid of the original video tag reference after the first tech is loaded
+ if (this.tag) {
+ this.tag.player = null;
+ this.tag = null;
+ }
+ };
+
+ /**
+ * Unload and dispose of the current playback {@link Tech}.
+ *
+ * @private
+ */
+
+
+ Player.prototype.unloadTech_ = function unloadTech_() {
+ var _this3 = this;
+
+ // Save the current text tracks so that we can reuse the same text tracks with the next tech
+ ALL.names.forEach(function (name$$1) {
+ var props = ALL[name$$1];
+
+ _this3[props.privateName] = _this3[props.getterName]();
+ });
+ this.textTracksJson_ = textTrackConverter.textTracksToJson(this.tech_);
+
+ this.isReady_ = false;
+
+ this.tech_.dispose();
+
+ this.tech_ = false;
+ };
+
+ /**
+ * Return a reference to the current {@link Tech}.
+ * It will print a warning by default about the danger of using the tech directly
+ * but any argument that is passed in will silence the warning.
+ *
+ * @param {*} [safety]
+ * Anything passed in to silence the warning
+ *
+ * @return {Tech}
+ * The Tech
+ */
+
+
+ Player.prototype.tech = function tech(safety) {
+ if (safety === undefined) {
+ log$1.warn(tsml(_templateObject$1));
+ }
+
+ return this.tech_;
+ };
+
+ /**
+ * Set up click and touch listeners for the playback element
+ *
+ * - On desktops: a click on the video itself will toggle playback
+ * - On mobile devices: a click on the video toggles controls
+ * which is done by toggling the user state between active and
+ * inactive
+ * - A tap can signal that a user has become active or has become inactive
+ * e.g. a quick tap on an iPhone movie should reveal the controls. Another
+ * quick tap should hide them again (signaling the user is in an inactive
+ * viewing state)
+ * - In addition to this, we still want the user to be considered inactive after
+ * a few seconds of inactivity.
+ *
+ * > Note: the only part of iOS interaction we can't mimic with this setup
+ * is a touch and hold on the video element counting as activity in order to
+ * keep the controls showing, but that shouldn't be an issue. A touch and hold
+ * on any controls will still keep the user active
+ *
+ * @private
+ */
+
+
+ Player.prototype.addTechControlsListeners_ = function addTechControlsListeners_() {
+ // Make sure to remove all the previous listeners in case we are called multiple times.
+ this.removeTechControlsListeners_();
+
+ // Some browsers (Chrome & IE) don't trigger a click on a flash swf, but do
+ // trigger mousedown/up.
+ // http://stackoverflow.com/questions/1444562/javascript-onclick-event-over-flash-object
+ // Any touch events are set to block the mousedown event from happening
+ this.on(this.tech_, 'mousedown', this.handleTechClick_);
+
+ // If the controls were hidden we don't want that to change without a tap event
+ // so we'll check if the controls were already showing before reporting user
+ // activity
+ this.on(this.tech_, 'touchstart', this.handleTechTouchStart_);
+ this.on(this.tech_, 'touchmove', this.handleTechTouchMove_);
+ this.on(this.tech_, 'touchend', this.handleTechTouchEnd_);
+
+ // The tap listener needs to come after the touchend listener because the tap
+ // listener cancels out any reportedUserActivity when setting userActive(false)
+ this.on(this.tech_, 'tap', this.handleTechTap_);
+ };
+
+ /**
+ * Remove the listeners used for click and tap controls. This is needed for
+ * toggling to controls disabled, where a tap/touch should do nothing.
+ *
+ * @private
+ */
+
+
+ Player.prototype.removeTechControlsListeners_ = function removeTechControlsListeners_() {
+ // We don't want to just use `this.off()` because there might be other needed
+ // listeners added by techs that extend this.
+ this.off(this.tech_, 'tap', this.handleTechTap_);
+ this.off(this.tech_, 'touchstart', this.handleTechTouchStart_);
+ this.off(this.tech_, 'touchmove', this.handleTechTouchMove_);
+ this.off(this.tech_, 'touchend', this.handleTechTouchEnd_);
+ this.off(this.tech_, 'mousedown', this.handleTechClick_);
+ };
+
+ /**
+ * Player waits for the tech to be ready
+ *
+ * @private
+ */
+
+
+ Player.prototype.handleTechReady_ = function handleTechReady_() {
+ this.triggerReady();
+
+ // Keep the same volume as before
+ if (this.cache_.volume) {
+ this.techCall_('setVolume', this.cache_.volume);
+ }
+
+ // Look if the tech found a higher resolution poster while loading
+ this.handleTechPosterChange_();
+
+ // Update the duration if available
+ this.handleTechDurationChange_();
+
+ // Chrome and Safari both have issues with autoplay.
+ // In Safari (5.1.1), when we move the video element into the container div, autoplay doesn't work.
+ // In Chrome (15), if you have autoplay + a poster + no controls, the video gets hidden (but audio plays)
+ // This fixes both issues. Need to wait for API, so it updates displays correctly
+ if ((this.src() || this.currentSrc()) && this.tag && this.options_.autoplay && this.paused()) {
+ try {
+ // Chrome Fix. Fixed in Chrome v16.
+ delete this.tag.poster;
+ } catch (e) {
+ log$1('deleting tag.poster throws in some browsers', e);
+ }
+ }
+ };
+
+ /**
+ * Retrigger the `loadstart` event that was triggered by the {@link Tech}. This
+ * function will also trigger {@link Player#firstplay} if it is the first loadstart
+ * for a video.
+ *
+ * @fires Player#loadstart
+ * @fires Player#firstplay
+ * @listens Tech#loadstart
+ * @private
+ */
+
+
+ Player.prototype.handleTechLoadStart_ = function handleTechLoadStart_() {
+ // TODO: Update to use `emptied` event instead. See #1277.
+
+ this.removeClass('vjs-ended');
+ this.removeClass('vjs-seeking');
+
+ // reset the error state
+ this.error(null);
+
+ // If it's already playing we want to trigger a firstplay event now.
+ // The firstplay event relies on both the play and loadstart events
+ // which can happen in any order for a new source
+ if (!this.paused()) {
+ /**
+ * Fired when the user agent begins looking for media data
+ *
+ * @event Player#loadstart
+ * @type {EventTarget~Event}
+ */
+ this.trigger('loadstart');
+ this.trigger('firstplay');
+ } else {
+ // reset the hasStarted state
+ this.hasStarted(false);
+ this.trigger('loadstart');
+ }
+ };
+
+ /**
+ * Add/remove the vjs-has-started class
+ *
+ * @fires Player#firstplay
+ *
+ * @param {boolean} request
+ * - true: adds the class
+ * - false: remove the class
+ *
+ * @return {boolean}
+ * the boolean value of hasStarted_
+ */
+
+
+ Player.prototype.hasStarted = function hasStarted(request) {
+ if (request === undefined) {
+ // act as getter, if we have no request to change
+ return this.hasStarted_;
+ }
+
+ if (request === this.hasStarted_) {
+ return;
+ }
+
+ this.hasStarted_ = request;
+
+ if (this.hasStarted_) {
+ this.addClass('vjs-has-started');
+ this.trigger('firstplay');
+ } else {
+ this.removeClass('vjs-has-started');
+ }
+ };
+
+ /**
+ * Fired whenever the media begins or resumes playback
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-play}
+ * @fires Player#play
+ * @listens Tech#play
+ * @private
+ */
+
+
+ Player.prototype.handleTechPlay_ = function handleTechPlay_() {
+ this.removeClass('vjs-ended');
+ this.removeClass('vjs-paused');
+ this.addClass('vjs-playing');
+
+ // hide the poster when the user hits play
+ this.hasStarted(true);
+ /**
+ * Triggered whenever an {@link Tech#play} event happens. Indicates that
+ * playback has started or resumed.
+ *
+ * @event Player#play
+ * @type {EventTarget~Event}
+ */
+ this.trigger('play');
+ };
+
+ /**
+ * Retrigger the `waiting` event that was triggered by the {@link Tech}.
+ *
+ * @fires Player#waiting
+ * @listens Tech#waiting
+ * @private
+ */
+
+
+ Player.prototype.handleTechWaiting_ = function handleTechWaiting_() {
+ var _this4 = this;
+
+ this.addClass('vjs-waiting');
+ /**
+ * A readyState change on the DOM element has caused playback to stop.
+ *
+ * @event Player#waiting
+ * @type {EventTarget~Event}
+ */
+ this.trigger('waiting');
+ this.one('timeupdate', function () {
+ return _this4.removeClass('vjs-waiting');
+ });
+ };
+
+ /**
+ * Retrigger the `canplay` event that was triggered by the {@link Tech}.
+ * > Note: This is not consistent between browsers. See #1351
+ *
+ * @fires Player#canplay
+ * @listens Tech#canplay
+ * @private
+ */
+
+
+ Player.prototype.handleTechCanPlay_ = function handleTechCanPlay_() {
+ this.removeClass('vjs-waiting');
+ /**
+ * The media has a readyState of HAVE_FUTURE_DATA or greater.
+ *
+ * @event Player#canplay
+ * @type {EventTarget~Event}
+ */
+ this.trigger('canplay');
+ };
+
+ /**
+ * Retrigger the `canplaythrough` event that was triggered by the {@link Tech}.
+ *
+ * @fires Player#canplaythrough
+ * @listens Tech#canplaythrough
+ * @private
+ */
+
+
+ Player.prototype.handleTechCanPlayThrough_ = function handleTechCanPlayThrough_() {
+ this.removeClass('vjs-waiting');
+ /**
+ * The media has a readyState of HAVE_ENOUGH_DATA or greater. This means that the
+ * entire media file can be played without buffering.
+ *
+ * @event Player#canplaythrough
+ * @type {EventTarget~Event}
+ */
+ this.trigger('canplaythrough');
+ };
+
+ /**
+ * Retrigger the `playing` event that was triggered by the {@link Tech}.
+ *
+ * @fires Player#playing
+ * @listens Tech#playing
+ * @private
+ */
+
+
+ Player.prototype.handleTechPlaying_ = function handleTechPlaying_() {
+ this.removeClass('vjs-waiting');
+ /**
+ * The media is no longer blocked from playback, and has started playing.
+ *
+ * @event Player#playing
+ * @type {EventTarget~Event}
+ */
+ this.trigger('playing');
+ };
+
+ /**
+ * Retrigger the `seeking` event that was triggered by the {@link Tech}.
+ *
+ * @fires Player#seeking
+ * @listens Tech#seeking
+ * @private
+ */
+
+
+ Player.prototype.handleTechSeeking_ = function handleTechSeeking_() {
+ this.addClass('vjs-seeking');
+ /**
+ * Fired whenever the player is jumping to a new time
+ *
+ * @event Player#seeking
+ * @type {EventTarget~Event}
+ */
+ this.trigger('seeking');
+ };
+
+ /**
+ * Retrigger the `seeked` event that was triggered by the {@link Tech}.
+ *
+ * @fires Player#seeked
+ * @listens Tech#seeked
+ * @private
+ */
+
+
+ Player.prototype.handleTechSeeked_ = function handleTechSeeked_() {
+ this.removeClass('vjs-seeking');
+ /**
+ * Fired when the player has finished jumping to a new time
+ *
+ * @event Player#seeked
+ * @type {EventTarget~Event}
+ */
+ this.trigger('seeked');
+ };
+
+ /**
+ * Retrigger the `firstplay` event that was triggered by the {@link Tech}.
+ *
+ * @fires Player#firstplay
+ * @listens Tech#firstplay
+ * @deprecated As of 6.0 firstplay event is deprecated.
+ * @deprecated As of 6.0 passing the `starttime` option to the player and the firstplay event are deprecated.
+ * @private
+ */
+
+
+ Player.prototype.handleTechFirstPlay_ = function handleTechFirstPlay_() {
+ // If the first starttime attribute is specified
+ // then we will start at the given offset in seconds
+ if (this.options_.starttime) {
+ log$1.warn('Passing the `starttime` option to the player will be deprecated in 6.0');
+ this.currentTime(this.options_.starttime);
+ }
+
+ this.addClass('vjs-has-started');
+ /**
+ * Fired the first time a video is played. Not part of the HLS spec, and this is
+ * probably not the best implementation yet, so use sparingly. If you don't have a
+ * reason to prevent playback, use `myPlayer.one('play');` instead.
+ *
+ * @event Player#firstplay
+ * @deprecated As of 6.0 firstplay event is deprecated.
+ * @type {EventTarget~Event}
+ */
+ this.trigger('firstplay');
+ };
+
+ /**
+ * Retrigger the `pause` event that was triggered by the {@link Tech}.
+ *
+ * @fires Player#pause
+ * @listens Tech#pause
+ * @private
+ */
+
+
+ Player.prototype.handleTechPause_ = function handleTechPause_() {
+ this.removeClass('vjs-playing');
+ this.addClass('vjs-paused');
+ /**
+ * Fired whenever the media has been paused
+ *
+ * @event Player#pause
+ * @type {EventTarget~Event}
+ */
+ this.trigger('pause');
+ };
+
+ /**
+ * Retrigger the `ended` event that was triggered by the {@link Tech}.
+ *
+ * @fires Player#ended
+ * @listens Tech#ended
+ * @private
+ */
+
+
+ Player.prototype.handleTechEnded_ = function handleTechEnded_() {
+ this.addClass('vjs-ended');
+ if (this.options_.loop) {
+ this.currentTime(0);
+ this.play();
+ } else if (!this.paused()) {
+ this.pause();
+ }
+
+ /**
+ * Fired when the end of the media resource is reached (currentTime == duration)
+ *
+ * @event Player#ended
+ * @type {EventTarget~Event}
+ */
+ this.trigger('ended');
+ };
+
+ /**
+ * Fired when the duration of the media resource is first known or changed
+ *
+ * @listens Tech#durationchange
+ * @private
+ */
+
+
+ Player.prototype.handleTechDurationChange_ = function handleTechDurationChange_() {
+ this.duration(this.techGet_('duration'));
+ };
+
+ /**
+ * Handle a click on the media element to play/pause
+ *
+ * @param {EventTarget~Event} event
+ * the event that caused this function to trigger
+ *
+ * @listens Tech#mousedown
+ * @private
+ */
+
+
+ Player.prototype.handleTechClick_ = function handleTechClick_(event) {
+ if (!isSingleLeftClick(event)) {
+ return;
+ }
+
+ // When controls are disabled a click should not toggle playback because
+ // the click is considered a control
+ if (!this.controls_) {
+ return;
+ }
+
+ if (this.paused()) {
+ this.play();
+ } else {
+ this.pause();
+ }
+ };
+
+ /**
+ * Handle a tap on the media element. It will toggle the user
+ * activity state, which hides and shows the controls.
+ *
+ * @listens Tech#tap
+ * @private
+ */
+
+
+ Player.prototype.handleTechTap_ = function handleTechTap_() {
+ this.userActive(!this.userActive());
+ };
+
+ /**
+ * Handle touch to start
+ *
+ * @listens Tech#touchstart
+ * @private
+ */
+
+
+ Player.prototype.handleTechTouchStart_ = function handleTechTouchStart_() {
+ this.userWasActive = this.userActive();
+ };
+
+ /**
+ * Handle touch to move
+ *
+ * @listens Tech#touchmove
+ * @private
+ */
+
+
+ Player.prototype.handleTechTouchMove_ = function handleTechTouchMove_() {
+ if (this.userWasActive) {
+ this.reportUserActivity();
+ }
+ };
+
+ /**
+ * Handle touch to end
+ *
+ * @param {EventTarget~Event} event
+ * the touchend event that triggered
+ * this function
+ *
+ * @listens Tech#touchend
+ * @private
+ */
+
+
+ Player.prototype.handleTechTouchEnd_ = function handleTechTouchEnd_(event) {
+ // Stop the mouse events from also happening
+ event.preventDefault();
+ };
+
+ /**
+ * Fired when the player switches in or out of fullscreen mode
+ *
+ * @private
+ * @listens Player#fullscreenchange
+ */
+
+
+ Player.prototype.handleFullscreenChange_ = function handleFullscreenChange_() {
+ if (this.isFullscreen()) {
+ this.addClass('vjs-fullscreen');
+ } else {
+ this.removeClass('vjs-fullscreen');
+ }
+ };
+
+ /**
+ * native click events on the SWF aren't triggered on IE11, Win8.1RT
+ * use stageclick events triggered from inside the SWF instead
+ *
+ * @private
+ * @listens stageclick
+ */
+
+
+ Player.prototype.handleStageClick_ = function handleStageClick_() {
+ this.reportUserActivity();
+ };
+
+ /**
+ * Handle Tech Fullscreen Change
+ *
+ * @param {EventTarget~Event} event
+ * the fullscreenchange event that triggered this function
+ *
+ * @param {Object} data
+ * the data that was sent with the event
+ *
+ * @private
+ * @listens Tech#fullscreenchange
+ * @fires Player#fullscreenchange
+ */
+
+
+ Player.prototype.handleTechFullscreenChange_ = function handleTechFullscreenChange_(event, data) {
+ if (data) {
+ this.isFullscreen(data.isFullscreen);
+ }
+ /**
+ * Fired when going in and out of fullscreen.
+ *
+ * @event Player#fullscreenchange
+ * @type {EventTarget~Event}
+ */
+ this.trigger('fullscreenchange');
+ };
+
+ /**
+ * Fires when an error occurred during the loading of an audio/video.
+ *
+ * @private
+ * @listens Tech#error
+ */
+
+
+ Player.prototype.handleTechError_ = function handleTechError_() {
+ var error = this.tech_.error();
+
+ this.error(error);
+ };
+
+ /**
+ * Retrigger the `textdata` event that was triggered by the {@link Tech}.
+ *
+ * @fires Player#textdata
+ * @listens Tech#textdata
+ * @private
+ */
+
+
+ Player.prototype.handleTechTextData_ = function handleTechTextData_() {
+ var data = null;
+
+ if (arguments.length > 1) {
+ data = arguments[1];
+ }
+
+ /**
+ * Fires when we get a textdata event from tech
+ *
+ * @event Player#textdata
+ * @type {EventTarget~Event}
+ */
+ this.trigger('textdata', data);
+ };
+
+ /**
+ * Get object for cached values.
+ *
+ * @return {Object}
+ * get the current object cache
+ */
+
+
+ Player.prototype.getCache = function getCache() {
+ return this.cache_;
+ };
+
+ /**
+ * Pass values to the playback tech
+ *
+ * @param {string} [method]
+ * the method to call
+ *
+ * @param {Object} arg
+ * the argument to pass
+ *
+ * @private
+ */
+
+
+ Player.prototype.techCall_ = function techCall_(method, arg) {
+ // If it's not ready yet, call method when it is
+
+ this.ready(function () {
+ if (method in allowedSetters) {
+ return set$1(this.middleware_, this.tech_, method, arg);
+ } else if (method in allowedMediators) {
+ return mediate(this.middleware_, this.tech_, method, arg);
+ }
+
+ try {
+ if (this.tech_) {
+ this.tech_[method](arg);
+ }
+ } catch (e) {
+ log$1(e);
+ throw e;
+ }
+ }, true);
+ };
+
+ /**
+ * Get calls can't wait for the tech, and sometimes don't need to.
+ *
+ * @param {string} method
+ * Tech method
+ *
+ * @return {Function|undefined}
+ * the method or undefined
+ *
+ * @private
+ */
+
+
+ Player.prototype.techGet_ = function techGet_(method) {
+ if (!this.tech_ || !this.tech_.isReady_) {
+ return;
+ }
+
+ if (method in allowedGetters) {
+ return get$1(this.middleware_, this.tech_, method);
+ } else if (method in allowedMediators) {
+ return mediate(this.middleware_, this.tech_, method);
+ }
+
+ // Flash likes to die and reload when you hide or reposition it.
+ // In these cases the object methods go away and we get errors.
+ // When that happens we'll catch the errors and inform tech that it's not ready any more.
+ try {
+ return this.tech_[method]();
+ } catch (e) {
+
+ // When building additional tech libs, an expected method may not be defined yet
+ if (this.tech_[method] === undefined) {
+ log$1('Video.js: ' + method + ' method not defined for ' + this.techName_ + ' playback technology.', e);
+ throw e;
+ }
+
+ // When a method isn't available on the object it throws a TypeError
+ if (e.name === 'TypeError') {
+ log$1('Video.js: ' + method + ' unavailable on ' + this.techName_ + ' playback technology element.', e);
+ this.tech_.isReady_ = false;
+ throw e;
+ }
+
+ // If error unknown, just log and throw
+ log$1(e);
+ throw e;
+ }
+ };
+
+ /**
+ * Attempt to begin playback at the first opportunity.
+ *
+ * @return {Promise|undefined}
+ * Returns a `Promise` only if the browser returns one and the player
+ * is ready to begin playback. For some browsers and all non-ready
+ * situations, this will return `undefined`.
+ */
+
+
+ Player.prototype.play = function play() {
+ var _this5 = this;
+
+ // If this is called while we have a play queued up on a loadstart, remove
+ // that listener to avoid getting in a potentially bad state.
+ if (this.playOnLoadstart_) {
+ this.off('loadstart', this.playOnLoadstart_);
+ }
+
+ // If the player/tech is not ready, queue up another call to `play()` for
+ // when it is. This will loop back into this method for another attempt at
+ // playback when the tech is ready.
+ if (!this.isReady_) {
+
+ // Bail out if we're already waiting for `ready`!
+ if (this.playWaitingForReady_) {
+ return;
+ }
+
+ this.playWaitingForReady_ = true;
+ this.ready(function () {
+ _this5.playWaitingForReady_ = false;
+ silencePromise(_this5.play());
+ });
+
+ // If the player/tech is ready and we have a source, we can attempt playback.
+ } else if (!this.changingSrc_ && (this.src() || this.currentSrc())) {
+ return this.techGet_('play');
+
+ // If the tech is ready, but we do not have a source, we'll need to wait
+ // for both the `ready` and a `loadstart` when the source is finally
+ // resolved by middleware and set on the player.
+ //
+ // This can happen if `play()` is called while changing sources or before
+ // one has been set on the player.
+ } else {
+
+ this.playOnLoadstart_ = function () {
+ _this5.playOnLoadstart_ = null;
+ silencePromise(_this5.play());
+ };
+
+ this.one('loadstart', this.playOnLoadstart_);
+ }
+ };
+
+ /**
+ * Pause the video playback
+ *
+ * @return {Player}
+ * A reference to the player object this function was called on
+ */
+
+
+ Player.prototype.pause = function pause() {
+ this.techCall_('pause');
+ };
+
+ /**
+ * Check if the player is paused or has yet to play
+ *
+ * @return {boolean}
+ * - false: if the media is currently playing
+ * - true: if media is not currently playing
+ */
+
+
+ Player.prototype.paused = function paused() {
+ // The initial state of paused should be true (in Safari it's actually false)
+ return this.techGet_('paused') === false ? false : true;
+ };
+
+ /**
+ * Get a TimeRange object representing the current ranges of time that the user
+ * has played.
+ *
+ * @return {TimeRange}
+ * A time range object that represents all the increments of time that have
+ * been played.
+ */
+
+
+ Player.prototype.played = function played() {
+ return this.techGet_('played') || createTimeRanges(0, 0);
+ };
+
+ /**
+ * Returns whether or not the user is "scrubbing". Scrubbing is
+ * when the user has clicked the progress bar handle and is
+ * dragging it along the progress bar.
+ *
+ * @param {boolean} [isScrubbing]
+ * wether the user is or is not scrubbing
+ *
+ * @return {boolean}
+ * The value of scrubbing when getting
+ */
+
+
+ Player.prototype.scrubbing = function scrubbing(isScrubbing) {
+ if (typeof isScrubbing === 'undefined') {
+ return this.scrubbing_;
+ }
+ this.scrubbing_ = !!isScrubbing;
+
+ if (isScrubbing) {
+ this.addClass('vjs-scrubbing');
+ } else {
+ this.removeClass('vjs-scrubbing');
+ }
+ };
+
+ /**
+ * Get or set the current time (in seconds)
+ *
+ * @param {number|string} [seconds]
+ * The time to seek to in seconds
+ *
+ * @return {number}
+ * - the current time in seconds when getting
+ */
+
+
+ Player.prototype.currentTime = function currentTime(seconds) {
+ if (typeof seconds !== 'undefined') {
+ if (seconds < 0) {
+ seconds = 0;
+ }
+ this.techCall_('setCurrentTime', seconds);
+ return;
+ }
+
+ // cache last currentTime and return. default to 0 seconds
+ //
+ // Caching the currentTime is meant to prevent a massive amount of reads on the tech's
+ // currentTime when scrubbing, but may not provide much performance benefit afterall.
+ // Should be tested. Also something has to read the actual current time or the cache will
+ // never get updated.
+ this.cache_.currentTime = this.techGet_('currentTime') || 0;
+ return this.cache_.currentTime;
+ };
+
+ /**
+ * Normally gets the length in time of the video in seconds;
+ * in all but the rarest use cases an argument will NOT be passed to the method
+ *
+ * > **NOTE**: The video must have started loading before the duration can be
+ * known, and in the case of Flash, may not be known until the video starts
+ * playing.
+ *
+ * @fires Player#durationchange
+ *
+ * @param {number} [seconds]
+ * The duration of the video to set in seconds
+ *
+ * @return {number}
+ * - The duration of the video in seconds when getting
+ */
+
+
+ Player.prototype.duration = function duration(seconds) {
+ if (seconds === undefined) {
+ // return NaN if the duration is not known
+ return this.cache_.duration !== undefined ? this.cache_.duration : NaN;
+ }
+
+ seconds = parseFloat(seconds);
+
+ // Standardize on Inifity for signaling video is live
+ if (seconds < 0) {
+ seconds = Infinity;
+ }
+
+ if (seconds !== this.cache_.duration) {
+ // Cache the last set value for optimized scrubbing (esp. Flash)
+ this.cache_.duration = seconds;
+
+ if (seconds === Infinity) {
+ this.addClass('vjs-live');
+ } else {
+ this.removeClass('vjs-live');
+ }
+ /**
+ * @event Player#durationchange
+ * @type {EventTarget~Event}
+ */
+ this.trigger('durationchange');
+ }
+ };
+
+ /**
+ * Calculates how much time is left in the video. Not part
+ * of the native video API.
+ *
+ * @return {number}
+ * The time remaining in seconds
+ */
+
+
+ Player.prototype.remainingTime = function remainingTime() {
+ return this.duration() - this.currentTime();
+ };
+
+ /**
+ * A remaining time function that is intented to be used when
+ * the time is to be displayed directly to the user.
+ *
+ * @return {number}
+ * The rounded time remaining in seconds
+ */
+
+
+ Player.prototype.remainingTimeDisplay = function remainingTimeDisplay() {
+ return Math.floor(this.duration()) - Math.floor(this.currentTime());
+ };
+
+ //
+ // Kind of like an array of portions of the video that have been downloaded.
+
+ /**
+ * Get a TimeRange object with an array of the times of the video
+ * that have been downloaded. If you just want the percent of the
+ * video that's been downloaded, use bufferedPercent.
+ *
+ * @see [Buffered Spec]{@link http://dev.w3.org/html5/spec/video.html#dom-media-buffered}
+ *
+ * @return {TimeRange}
+ * A mock TimeRange object (following HTML spec)
+ */
+
+
+ Player.prototype.buffered = function buffered() {
+ var buffered = this.techGet_('buffered');
+
+ if (!buffered || !buffered.length) {
+ buffered = createTimeRanges(0, 0);
+ }
+
+ return buffered;
+ };
+
+ /**
+ * Get the percent (as a decimal) of the video that's been downloaded.
+ * This method is not a part of the native HTML video API.
+ *
+ * @return {number}
+ * A decimal between 0 and 1 representing the percent
+ * that is bufferred 0 being 0% and 1 being 100%
+ */
+
+
+ Player.prototype.bufferedPercent = function bufferedPercent$$1() {
+ return bufferedPercent(this.buffered(), this.duration());
+ };
+
+ /**
+ * Get the ending time of the last buffered time range
+ * This is used in the progress bar to encapsulate all time ranges.
+ *
+ * @return {number}
+ * The end of the last buffered time range
+ */
+
+
+ Player.prototype.bufferedEnd = function bufferedEnd() {
+ var buffered = this.buffered();
+ var duration = this.duration();
+ var end = buffered.end(buffered.length - 1);
+
+ if (end > duration) {
+ end = duration;
+ }
+
+ return end;
+ };
+
+ /**
+ * Get or set the current volume of the media
+ *
+ * @param {number} [percentAsDecimal]
+ * The new volume as a decimal percent:
+ * - 0 is muted/0%/off
+ * - 1.0 is 100%/full
+ * - 0.5 is half volume or 50%
+ *
+ * @return {number}
+ * The current volume as a percent when getting
+ */
+
+
+ Player.prototype.volume = function volume(percentAsDecimal) {
+ var vol = void 0;
+
+ if (percentAsDecimal !== undefined) {
+ // Force value to between 0 and 1
+ vol = Math.max(0, Math.min(1, parseFloat(percentAsDecimal)));
+ this.cache_.volume = vol;
+ this.techCall_('setVolume', vol);
+
+ if (vol > 0) {
+ this.lastVolume_(vol);
+ }
+
+ return;
+ }
+
+ // Default to 1 when returning current volume.
+ vol = parseFloat(this.techGet_('volume'));
+ return isNaN(vol) ? 1 : vol;
+ };
+
+ /**
+ * Get the current muted state, or turn mute on or off
+ *
+ * @param {boolean} [muted]
+ * - true to mute
+ * - false to unmute
+ *
+ * @return {boolean}
+ * - true if mute is on and getting
+ * - false if mute is off and getting
+ */
+
+
+ Player.prototype.muted = function muted(_muted) {
+ if (_muted !== undefined) {
+ this.techCall_('setMuted', _muted);
+ return;
+ }
+ return this.techGet_('muted') || false;
+ };
+
+ /**
+ * Get the current defaultMuted state, or turn defaultMuted on or off. defaultMuted
+ * indicates the state of muted on intial playback.
+ *
+ * ```js
+ * var myPlayer = videojs('some-player-id');
+ *
+ * myPlayer.src("http://www.example.com/path/to/video.mp4");
+ *
+ * // get, should be false
+ * console.log(myPlayer.defaultMuted());
+ * // set to true
+ * myPlayer.defaultMuted(true);
+ * // get should be true
+ * console.log(myPlayer.defaultMuted());
+ * ```
+ *
+ * @param {boolean} [defaultMuted]
+ * - true to mute
+ * - false to unmute
+ *
+ * @return {boolean|Player}
+ * - true if defaultMuted is on and getting
+ * - false if defaultMuted is off and getting
+ * - A reference to the current player when setting
+ */
+
+
+ Player.prototype.defaultMuted = function defaultMuted(_defaultMuted) {
+ if (_defaultMuted !== undefined) {
+ return this.techCall_('setDefaultMuted', _defaultMuted);
+ }
+ return this.techGet_('defaultMuted') || false;
+ };
+
+ /**
+ * Get the last volume, or set it
+ *
+ * @param {number} [percentAsDecimal]
+ * The new last volume as a decimal percent:
+ * - 0 is muted/0%/off
+ * - 1.0 is 100%/full
+ * - 0.5 is half volume or 50%
+ *
+ * @return {number}
+ * the current value of lastVolume as a percent when getting
+ *
+ * @private
+ */
+
+
+ Player.prototype.lastVolume_ = function lastVolume_(percentAsDecimal) {
+ if (percentAsDecimal !== undefined && percentAsDecimal !== 0) {
+ this.cache_.lastVolume = percentAsDecimal;
+ return;
+ }
+ return this.cache_.lastVolume;
+ };
+
+ /**
+ * Check if current tech can support native fullscreen
+ * (e.g. with built in controls like iOS, so not our flash swf)
+ *
+ * @return {boolean}
+ * if native fullscreen is supported
+ */
+
+
+ Player.prototype.supportsFullScreen = function supportsFullScreen() {
+ return this.techGet_('supportsFullScreen') || false;
+ };
+
+ /**
+ * Check if the player is in fullscreen mode or tell the player that it
+ * is or is not in fullscreen mode.
+ *
+ * > NOTE: As of the latest HTML5 spec, isFullscreen is no longer an official
+ * property and instead document.fullscreenElement is used. But isFullscreen is
+ * still a valuable property for internal player workings.
+ *
+ * @param {boolean} [isFS]
+ * Set the players current fullscreen state
+ *
+ * @return {boolean}
+ * - true if fullscreen is on and getting
+ * - false if fullscreen is off and getting
+ */
+
+
+ Player.prototype.isFullscreen = function isFullscreen(isFS) {
+ if (isFS !== undefined) {
+ this.isFullscreen_ = !!isFS;
+ return;
+ }
+ return !!this.isFullscreen_;
+ };
+
+ /**
+ * Increase the size of the video to full screen
+ * In some browsers, full screen is not supported natively, so it enters
+ * "full window mode", where the video fills the browser window.
+ * In browsers and devices that support native full screen, sometimes the
+ * browser's default controls will be shown, and not the Video.js custom skin.
+ * This includes most mobile devices (iOS, Android) and older versions of
+ * Safari.
+ *
+ * @fires Player#fullscreenchange
+ */
+
+
+ Player.prototype.requestFullscreen = function requestFullscreen() {
+ var fsApi = FullscreenApi;
+
+ this.isFullscreen(true);
+
+ if (fsApi.requestFullscreen) {
+ // the browser supports going fullscreen at the element level so we can
+ // take the controls fullscreen as well as the video
+
+ // Trigger fullscreenchange event after change
+ // We have to specifically add this each time, and remove
+ // when canceling fullscreen. Otherwise if there's multiple
+ // players on a page, they would all be reacting to the same fullscreen
+ // events
+ on(document_1, fsApi.fullscreenchange, bind(this, function documentFullscreenChange(e) {
+ this.isFullscreen(document_1[fsApi.fullscreenElement]);
+
+ // If cancelling fullscreen, remove event listener.
+ if (this.isFullscreen() === false) {
+ off(document_1, fsApi.fullscreenchange, documentFullscreenChange);
+ }
+ /**
+ * @event Player#fullscreenchange
+ * @type {EventTarget~Event}
+ */
+ this.trigger('fullscreenchange');
+ }));
+
+ this.el_[fsApi.requestFullscreen]();
+ } else if (this.tech_.supportsFullScreen()) {
+ // we can't take the video.js controls fullscreen but we can go fullscreen
+ // with native controls
+ this.techCall_('enterFullScreen');
+ } else {
+ // fullscreen isn't supported so we'll just stretch the video element to
+ // fill the viewport
+ this.enterFullWindow();
+ /**
+ * @event Player#fullscreenchange
+ * @type {EventTarget~Event}
+ */
+ this.trigger('fullscreenchange');
+ }
+ };
+
+ /**
+ * Return the video to its normal size after having been in full screen mode
+ *
+ * @fires Player#fullscreenchange
+ */
+
+
+ Player.prototype.exitFullscreen = function exitFullscreen() {
+ var fsApi = FullscreenApi;
+
+ this.isFullscreen(false);
+
+ // Check for browser element fullscreen support
+ if (fsApi.requestFullscreen) {
+ document_1[fsApi.exitFullscreen]();
+ } else if (this.tech_.supportsFullScreen()) {
+ this.techCall_('exitFullScreen');
+ } else {
+ this.exitFullWindow();
+ /**
+ * @event Player#fullscreenchange
+ * @type {EventTarget~Event}
+ */
+ this.trigger('fullscreenchange');
+ }
+ };
+
+ /**
+ * When fullscreen isn't supported we can stretch the
+ * video container to as wide as the browser will let us.
+ *
+ * @fires Player#enterFullWindow
+ */
+
+
+ Player.prototype.enterFullWindow = function enterFullWindow() {
+ this.isFullWindow = true;
+
+ // Storing original doc overflow value to return to when fullscreen is off
+ this.docOrigOverflow = document_1.documentElement.style.overflow;
+
+ // Add listener for esc key to exit fullscreen
+ on(document_1, 'keydown', bind(this, this.fullWindowOnEscKey));
+
+ // Hide any scroll bars
+ document_1.documentElement.style.overflow = 'hidden';
+
+ // Apply fullscreen styles
+ addClass(document_1.body, 'vjs-full-window');
+
+ /**
+ * @event Player#enterFullWindow
+ * @type {EventTarget~Event}
+ */
+ this.trigger('enterFullWindow');
+ };
+
+ /**
+ * Check for call to either exit full window or
+ * full screen on ESC key
+ *
+ * @param {string} event
+ * Event to check for key press
+ */
+
+
+ Player.prototype.fullWindowOnEscKey = function fullWindowOnEscKey(event) {
+ if (event.keyCode === 27) {
+ if (this.isFullscreen() === true) {
+ this.exitFullscreen();
+ } else {
+ this.exitFullWindow();
+ }
+ }
+ };
+
+ /**
+ * Exit full window
+ *
+ * @fires Player#exitFullWindow
+ */
+
+
+ Player.prototype.exitFullWindow = function exitFullWindow() {
+ this.isFullWindow = false;
+ off(document_1, 'keydown', this.fullWindowOnEscKey);
+
+ // Unhide scroll bars.
+ document_1.documentElement.style.overflow = this.docOrigOverflow;
+
+ // Remove fullscreen styles
+ removeClass(document_1.body, 'vjs-full-window');
+
+ // Resize the box, controller, and poster to original sizes
+ // this.positionAll();
+ /**
+ * @event Player#exitFullWindow
+ * @type {EventTarget~Event}
+ */
+ this.trigger('exitFullWindow');
+ };
+
+ /**
+ * Check whether the player can play a given mimetype
+ *
+ * @see https://www.w3.org/TR/2011/WD-html5-20110113/video.html#dom-navigator-canplaytype
+ *
+ * @param {string} type
+ * The mimetype to check
+ *
+ * @return {string}
+ * 'probably', 'maybe', or '' (empty string)
+ */
+
+
+ Player.prototype.canPlayType = function canPlayType(type) {
+ var can = void 0;
+
+ // Loop through each playback technology in the options order
+ for (var i = 0, j = this.options_.techOrder; i < j.length; i++) {
+ var techName = j[i];
+ var tech = Tech.getTech(techName);
+
+ // Support old behavior of techs being registered as components.
+ // Remove once that deprecated behavior is removed.
+ if (!tech) {
+ tech = Component.getComponent(techName);
+ }
+
+ // Check if the current tech is defined before continuing
+ if (!tech) {
+ log$1.error('The "' + techName + '" tech is undefined. Skipped browser support check for that tech.');
+ continue;
+ }
+
+ // Check if the browser supports this technology
+ if (tech.isSupported()) {
+ can = tech.canPlayType(type);
+
+ if (can) {
+ return can;
+ }
+ }
+ }
+
+ return '';
+ };
+
+ /**
+ * Select source based on tech-order or source-order
+ * Uses source-order selection if `options.sourceOrder` is truthy. Otherwise,
+ * defaults to tech-order selection
+ *
+ * @param {Array} sources
+ * The sources for a media asset
+ *
+ * @return {Object|boolean}
+ * Object of source and tech order or false
+ */
+
+
+ Player.prototype.selectSource = function selectSource(sources) {
+ var _this6 = this;
+
+ // Get only the techs specified in `techOrder` that exist and are supported by the
+ // current platform
+ var techs = this.options_.techOrder.map(function (techName) {
+ return [techName, Tech.getTech(techName)];
+ }).filter(function (_ref) {
+ var techName = _ref[0],
+ tech = _ref[1];
+
+ // Check if the current tech is defined before continuing
+ if (tech) {
+ // Check if the browser supports this technology
+ return tech.isSupported();
+ }
+
+ log$1.error('The "' + techName + '" tech is undefined. Skipped browser support check for that tech.');
+ return false;
+ });
+
+ // Iterate over each `innerArray` element once per `outerArray` element and execute
+ // `tester` with both. If `tester` returns a non-falsy value, exit early and return
+ // that value.
+ var findFirstPassingTechSourcePair = function findFirstPassingTechSourcePair(outerArray, innerArray, tester) {
+ var found = void 0;
+
+ outerArray.some(function (outerChoice) {
+ return innerArray.some(function (innerChoice) {
+ found = tester(outerChoice, innerChoice);
+
+ if (found) {
+ return true;
+ }
+ });
+ });
+
+ return found;
+ };
+
+ var foundSourceAndTech = void 0;
+ var flip = function flip(fn) {
+ return function (a, b) {
+ return fn(b, a);
+ };
+ };
+ var finder = function finder(_ref2, source) {
+ var techName = _ref2[0],
+ tech = _ref2[1];
+
+ if (tech.canPlaySource(source, _this6.options_[techName.toLowerCase()])) {
+ return { source: source, tech: techName };
+ }
+ };
+
+ // Depending on the truthiness of `options.sourceOrder`, we swap the order of techs and sources
+ // to select from them based on their priority.
+ if (this.options_.sourceOrder) {
+ // Source-first ordering
+ foundSourceAndTech = findFirstPassingTechSourcePair(sources, techs, flip(finder));
+ } else {
+ // Tech-first ordering
+ foundSourceAndTech = findFirstPassingTechSourcePair(techs, sources, finder);
+ }
+
+ return foundSourceAndTech || false;
+ };
+
+ /**
+ * Get or set the video source.
+ *
+ * @param {Tech~SourceObject|Tech~SourceObject[]|string} [source]
+ * A SourceObject, an array of SourceObjects, or a string referencing
+ * a URL to a media source. It is _highly recommended_ that an object
+ * or array of objects is used here, so that source selection
+ * algorithms can take the `type` into account.
+ *
+ * If not provided, this method acts as a getter.
+ *
+ * @return {string|undefined}
+ * If the `source` argument is missing, returns the current source
+ * URL. Otherwise, returns nothing/undefined.
+ */
+
+
+ Player.prototype.src = function src(source) {
+ var _this7 = this;
+
+ // getter usage
+ if (typeof source === 'undefined') {
+ return this.cache_.src || '';
+ }
+ // filter out invalid sources and turn our source into
+ // an array of source objects
+ var sources = filterSource(source);
+
+ // if a source was passed in then it is invalid because
+ // it was filtered to a zero length Array. So we have to
+ // show an error
+ if (!sources.length) {
+ this.setTimeout(function () {
+ this.error({ code: 4, message: this.localize(this.options_.notSupportedMessage) });
+ }, 0);
+ return;
+ }
+
+ // intial sources
+ this.cache_.sources = sources;
+ this.changingSrc_ = true;
+
+ // intial source
+ this.cache_.source = sources[0];
+
+ // middlewareSource is the source after it has been changed by middleware
+ setSource(this, sources[0], function (middlewareSource, mws) {
+ _this7.middleware_ = mws;
+
+ var err = _this7.src_(middlewareSource);
+
+ if (err) {
+ if (sources.length > 1) {
+ return _this7.src(sources.slice(1));
+ }
+
+ // We need to wrap this in a timeout to give folks a chance to add error event handlers
+ _this7.setTimeout(function () {
+ this.error({ code: 4, message: this.localize(this.options_.notSupportedMessage) });
+ }, 0);
+
+ // we could not find an appropriate tech, but let's still notify the delegate that this is it
+ // this needs a better comment about why this is needed
+ _this7.triggerReady();
+
+ return;
+ }
+
+ _this7.changingSrc_ = false;
+ // video element listed source
+ _this7.cache_.src = middlewareSource.src;
+
+ setTech(mws, _this7.tech_);
+ });
+ };
+
+ /**
+ * Set the source object on the tech, returns a boolean that indicates wether
+ * there is a tech that can play the source or not
+ *
+ * @param {Tech~SourceObject} source
+ * The source object to set on the Tech
+ *
+ * @return {Boolean}
+ * - True if there is no Tech to playback this source
+ * - False otherwise
+ *
+ * @private
+ */
+
+
+ Player.prototype.src_ = function src_(source) {
+ var sourceTech = this.selectSource([source]);
+
+ if (!sourceTech) {
+ return true;
+ }
+
+ if (!titleCaseEquals(sourceTech.tech, this.techName_)) {
+ this.changingSrc_ = true;
+
+ // load this technology with the chosen source
+ this.loadTech_(sourceTech.tech, sourceTech.source);
+ return false;
+ }
+
+ // wait until the tech is ready to set the source
+ this.ready(function () {
+
+ // The setSource tech method was added with source handlers
+ // so older techs won't support it
+ // We need to check the direct prototype for the case where subclasses
+ // of the tech do not support source handlers
+ if (this.tech_.constructor.prototype.hasOwnProperty('setSource')) {
+ this.techCall_('setSource', source);
+ } else {
+ this.techCall_('src', source.src);
+ }
+
+ if (this.options_.preload === 'auto') {
+ this.load();
+ }
+
+ // Set the source synchronously if possible (#2326)
+ }, true);
+
+ return false;
+ };
+
+ /**
+ * Begin loading the src data.
+ */
+
+
+ Player.prototype.load = function load() {
+ this.techCall_('load');
+ };
+
+ /**
+ * Reset the player. Loads the first tech in the techOrder,
+ * and calls `reset` on the tech`.
+ */
+
+
+ Player.prototype.reset = function reset() {
+ this.loadTech_(this.options_.techOrder[0], null);
+ this.techCall_('reset');
+ };
+
+ /**
+ * Returns all of the current source objects.
+ *
+ * @return {Tech~SourceObject[]}
+ * The current source objects
+ */
+
+
+ Player.prototype.currentSources = function currentSources() {
+ var source = this.currentSource();
+ var sources = [];
+
+ // assume `{}` or `{ src }`
+ if (Object.keys(source).length !== 0) {
+ sources.push(source);
+ }
+
+ return this.cache_.sources || sources;
+ };
+
+ /**
+ * Returns the current source object.
+ *
+ * @return {Tech~SourceObject}
+ * The current source object
+ */
+
+
+ Player.prototype.currentSource = function currentSource() {
+ return this.cache_.source || {};
+ };
+
+ /**
+ * Returns the fully qualified URL of the current source value e.g. http://mysite.com/video.mp4
+ * Can be used in conjuction with `currentType` to assist in rebuilding the current source object.
+ *
+ * @return {string}
+ * The current source
+ */
+
+
+ Player.prototype.currentSrc = function currentSrc() {
+ return this.currentSource() && this.currentSource().src || '';
+ };
+
+ /**
+ * Get the current source type e.g. video/mp4
+ * This can allow you rebuild the current source object so that you could load the same
+ * source and tech later
+ *
+ * @return {string}
+ * The source MIME type
+ */
+
+
+ Player.prototype.currentType = function currentType() {
+ return this.currentSource() && this.currentSource().type || '';
+ };
+
+ /**
+ * Get or set the preload attribute
+ *
+ * @param {boolean} [value]
+ * - true means that we should preload
+ * - false maens that we should not preload
+ *
+ * @return {string}
+ * The preload attribute value when getting
+ */
+
+
+ Player.prototype.preload = function preload(value) {
+ if (value !== undefined) {
+ this.techCall_('setPreload', value);
+ this.options_.preload = value;
+ return;
+ }
+ return this.techGet_('preload');
+ };
+
+ /**
+ * Get or set the autoplay attribute.
+ *
+ * @param {boolean} [value]
+ * - true means that we should autoplay
+ * - false means that we should not autoplay
+ *
+ * @return {string}
+ * The current value of autoplay when getting
+ */
+
+
+ Player.prototype.autoplay = function autoplay(value) {
+ if (value !== undefined) {
+ this.techCall_('setAutoplay', value);
+ this.options_.autoplay = value;
+ this.ready(this.forceAutoplayInChrome_);
+ return;
+ }
+ return this.techGet_('autoplay', value);
+ };
+
+ /**
+ * chrome started pausing the video when moving in the DOM
+ * causing autoplay to not continue due to how Video.js functions.
+ * See #4720 for more info.
+ *
+ * @private
+ */
+
+
+ Player.prototype.forceAutoplayInChrome_ = function forceAutoplayInChrome_() {
+ if (this.paused() && (
+ // read from the video element or options
+ this.autoplay() || this.options_.autoplay) &&
+ // only target desktop chrome
+ IS_CHROME && !IS_ANDROID) {
+ this.play();
+ }
+ };
+
+ /**
+ * Set or unset the playsinline attribute.
+ * Playsinline tells the browser that non-fullscreen playback is preferred.
+ *
+ * @param {boolean} [value]
+ * - true means that we should try to play inline by default
+ * - false means that we should use the browser's default playback mode,
+ * which in most cases is inline. iOS Safari is a notable exception
+ * and plays fullscreen by default.
+ *
+ * @return {string|Player}
+ * - the current value of playsinline
+ * - the player when setting
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}
+ */
+
+
+ Player.prototype.playsinline = function playsinline(value) {
+ if (value !== undefined) {
+ this.techCall_('setPlaysinline', value);
+ this.options_.playsinline = value;
+ return this;
+ }
+ return this.techGet_('playsinline');
+ };
+
+ /**
+ * Get or set the loop attribute on the video element.
+ *
+ * @param {boolean} [value]
+ * - true means that we should loop the video
+ * - false means that we should not loop the video
+ *
+ * @return {string}
+ * The current value of loop when getting
+ */
+
+
+ Player.prototype.loop = function loop(value) {
+ if (value !== undefined) {
+ this.techCall_('setLoop', value);
+ this.options_.loop = value;
+ return;
+ }
+ return this.techGet_('loop');
+ };
+
+ /**
+ * Get or set the poster image source url
+ *
+ * @fires Player#posterchange
+ *
+ * @param {string} [src]
+ * Poster image source URL
+ *
+ * @return {string}
+ * The current value of poster when getting
+ */
+
+
+ Player.prototype.poster = function poster(src) {
+ if (src === undefined) {
+ return this.poster_;
+ }
+
+ // The correct way to remove a poster is to set as an empty string
+ // other falsey values will throw errors
+ if (!src) {
+ src = '';
+ }
+
+ // update the internal poster variable
+ this.poster_ = src;
+
+ // update the tech's poster
+ this.techCall_('setPoster', src);
+
+ // alert components that the poster has been set
+ /**
+ * This event fires when the poster image is changed on the player.
+ *
+ * @event Player#posterchange
+ * @type {EventTarget~Event}
+ */
+ this.trigger('posterchange');
+ };
+
+ /**
+ * Some techs (e.g. YouTube) can provide a poster source in an
+ * asynchronous way. We want the poster component to use this
+ * poster source so that it covers up the tech's controls.
+ * (YouTube's play button). However we only want to use this
+ * source if the player user hasn't set a poster through
+ * the normal APIs.
+ *
+ * @fires Player#posterchange
+ * @listens Tech#posterchange
+ * @private
+ */
+
+
+ Player.prototype.handleTechPosterChange_ = function handleTechPosterChange_() {
+ if (!this.poster_ && this.tech_ && this.tech_.poster) {
+ this.poster_ = this.tech_.poster() || '';
+
+ // Let components know the poster has changed
+ this.trigger('posterchange');
+ }
+ };
+
+ /**
+ * Get or set whether or not the controls are showing.
+ *
+ * @fires Player#controlsenabled
+ *
+ * @param {boolean} [bool]
+ * - true to turn controls on
+ * - false to turn controls off
+ *
+ * @return {boolean}
+ * The current value of controls when getting
+ */
+
+
+ Player.prototype.controls = function controls(bool) {
+ if (bool === undefined) {
+ return !!this.controls_;
+ }
+
+ bool = !!bool;
+
+ // Don't trigger a change event unless it actually changed
+ if (this.controls_ === bool) {
+ return;
+ }
+
+ this.controls_ = bool;
+
+ if (this.usingNativeControls()) {
+ this.techCall_('setControls', bool);
+ }
+
+ if (this.controls_) {
+ this.removeClass('vjs-controls-disabled');
+ this.addClass('vjs-controls-enabled');
+ /**
+ * @event Player#controlsenabled
+ * @type {EventTarget~Event}
+ */
+ this.trigger('controlsenabled');
+ if (!this.usingNativeControls()) {
+ this.addTechControlsListeners_();
+ }
+ } else {
+ this.removeClass('vjs-controls-enabled');
+ this.addClass('vjs-controls-disabled');
+ /**
+ * @event Player#controlsdisabled
+ * @type {EventTarget~Event}
+ */
+ this.trigger('controlsdisabled');
+ if (!this.usingNativeControls()) {
+ this.removeTechControlsListeners_();
+ }
+ }
+ };
+
+ /**
+ * Toggle native controls on/off. Native controls are the controls built into
+ * devices (e.g. default iPhone controls), Flash, or other techs
+ * (e.g. Vimeo Controls)
+ * **This should only be set by the current tech, because only the tech knows
+ * if it can support native controls**
+ *
+ * @fires Player#usingnativecontrols
+ * @fires Player#usingcustomcontrols
+ *
+ * @param {boolean} [bool]
+ * - true to turn native controls on
+ * - false to turn native controls off
+ *
+ * @return {boolean}
+ * The current value of native controls when getting
+ */
+
+
+ Player.prototype.usingNativeControls = function usingNativeControls(bool) {
+ if (bool === undefined) {
+ return !!this.usingNativeControls_;
+ }
+
+ bool = !!bool;
+
+ // Don't trigger a change event unless it actually changed
+ if (this.usingNativeControls_ === bool) {
+ return;
+ }
+
+ this.usingNativeControls_ = bool;
+
+ if (this.usingNativeControls_) {
+ this.addClass('vjs-using-native-controls');
+
+ /**
+ * player is using the native device controls
+ *
+ * @event Player#usingnativecontrols
+ * @type {EventTarget~Event}
+ */
+ this.trigger('usingnativecontrols');
+ } else {
+ this.removeClass('vjs-using-native-controls');
+
+ /**
+ * player is using the custom HTML controls
+ *
+ * @event Player#usingcustomcontrols
+ * @type {EventTarget~Event}
+ */
+ this.trigger('usingcustomcontrols');
+ }
+ };
+
+ /**
+ * Set or get the current MediaError
+ *
+ * @fires Player#error
+ *
+ * @param {MediaError|string|number} [err]
+ * A MediaError or a string/number to be turned
+ * into a MediaError
+ *
+ * @return {MediaError|null}
+ * The current MediaError when getting (or null)
+ */
+
+
+ Player.prototype.error = function error(err) {
+ if (err === undefined) {
+ return this.error_ || null;
+ }
+
+ // restoring to default
+ if (err === null) {
+ this.error_ = err;
+ this.removeClass('vjs-error');
+ if (this.errorDisplay) {
+ this.errorDisplay.close();
+ }
+ return;
+ }
+
+ this.error_ = new MediaError(err);
+
+ // add the vjs-error classname to the player
+ this.addClass('vjs-error');
+
+ // log the name of the error type and any message
+ // ie8 just logs "[object object]" if you just log the error object
+ log$1.error('(CODE:' + this.error_.code + ' ' + MediaError.errorTypes[this.error_.code] + ')', this.error_.message, this.error_);
+
+ /**
+ * @event Player#error
+ * @type {EventTarget~Event}
+ */
+ this.trigger('error');
+
+ return;
+ };
+
+ /**
+ * Report user activity
+ *
+ * @param {Object} event
+ * Event object
+ */
+
+
+ Player.prototype.reportUserActivity = function reportUserActivity(event) {
+ this.userActivity_ = true;
+ };
+
+ /**
+ * Get/set if user is active
+ *
+ * @fires Player#useractive
+ * @fires Player#userinactive
+ *
+ * @param {boolean} [bool]
+ * - true if the user is active
+ * - false if the user is inactive
+ *
+ * @return {boolean}
+ * The current value of userActive when getting
+ */
+
+
+ Player.prototype.userActive = function userActive(bool) {
+ if (bool === undefined) {
+ return this.userActive_;
+ }
+
+ bool = !!bool;
+
+ if (bool === this.userActive_) {
+ return;
+ }
+
+ this.userActive_ = bool;
+
+ if (this.userActive_) {
+ this.userActivity_ = true;
+ this.removeClass('vjs-user-inactive');
+ this.addClass('vjs-user-active');
+ /**
+ * @event Player#useractive
+ * @type {EventTarget~Event}
+ */
+ this.trigger('useractive');
+ return;
+ }
+
+ // Chrome/Safari/IE have bugs where when you change the cursor it can
+ // trigger a mousemove event. This causes an issue when you're hiding
+ // the cursor when the user is inactive, and a mousemove signals user
+ // activity. Making it impossible to go into inactive mode. Specifically
+ // this happens in fullscreen when we really need to hide the cursor.
+ //
+ // When this gets resolved in ALL browsers it can be removed
+ // https://code.google.com/p/chromium/issues/detail?id=103041
+ if (this.tech_) {
+ this.tech_.one('mousemove', function (e) {
+ e.stopPropagation();
+ e.preventDefault();
+ });
+ }
+
+ this.userActivity_ = false;
+ this.removeClass('vjs-user-active');
+ this.addClass('vjs-user-inactive');
+ /**
+ * @event Player#userinactive
+ * @type {EventTarget~Event}
+ */
+ this.trigger('userinactive');
+ };
+
+ /**
+ * Listen for user activity based on timeout value
+ *
+ * @private
+ */
+
+
+ Player.prototype.listenForUserActivity_ = function listenForUserActivity_() {
+ var mouseInProgress = void 0;
+ var lastMoveX = void 0;
+ var lastMoveY = void 0;
+ var handleActivity = bind(this, this.reportUserActivity);
+
+ var handleMouseMove = function handleMouseMove(e) {
+ // #1068 - Prevent mousemove spamming
+ // Chrome Bug: https://code.google.com/p/chromium/issues/detail?id=366970
+ if (e.screenX !== lastMoveX || e.screenY !== lastMoveY) {
+ lastMoveX = e.screenX;
+ lastMoveY = e.screenY;
+ handleActivity();
+ }
+ };
+
+ var handleMouseDown = function handleMouseDown() {
+ handleActivity();
+ // For as long as the they are touching the device or have their mouse down,
+ // we consider them active even if they're not moving their finger or mouse.
+ // So we want to continue to update that they are active
+ this.clearInterval(mouseInProgress);
+ // Setting userActivity=true now and setting the interval to the same time
+ // as the activityCheck interval (250) should ensure we never miss the
+ // next activityCheck
+ mouseInProgress = this.setInterval(handleActivity, 250);
+ };
+
+ var handleMouseUp = function handleMouseUp(event) {
+ handleActivity();
+ // Stop the interval that maintains activity if the mouse/touch is down
+ this.clearInterval(mouseInProgress);
+ };
+
+ // Any mouse movement will be considered user activity
+ this.on('mousedown', handleMouseDown);
+ this.on('mousemove', handleMouseMove);
+ this.on('mouseup', handleMouseUp);
+
+ // Listen for keyboard navigation
+ // Shouldn't need to use inProgress interval because of key repeat
+ this.on('keydown', handleActivity);
+ this.on('keyup', handleActivity);
+
+ // Run an interval every 250 milliseconds instead of stuffing everything into
+ // the mousemove/touchmove function itself, to prevent performance degradation.
+ // `this.reportUserActivity` simply sets this.userActivity_ to true, which
+ // then gets picked up by this loop
+ // http://ejohn.org/blog/learning-from-twitter/
+ var inactivityTimeout = void 0;
+
+ this.setInterval(function () {
+ // Check to see if mouse/touch activity has happened
+ if (!this.userActivity_) {
+ return;
+ }
+
+ // Reset the activity tracker
+ this.userActivity_ = false;
+
+ // If the user state was inactive, set the state to active
+ this.userActive(true);
+
+ // Clear any existing inactivity timeout to start the timer over
+ this.clearTimeout(inactivityTimeout);
+
+ var timeout = this.options_.inactivityTimeout;
+
+ if (timeout <= 0) {
+ return;
+ }
+
+ // In <timeout> milliseconds, if no more activity has occurred the
+ // user will be considered inactive
+ inactivityTimeout = this.setTimeout(function () {
+ // Protect against the case where the inactivityTimeout can trigger just
+ // before the next user activity is picked up by the activity check loop
+ // causing a flicker
+ if (!this.userActivity_) {
+ this.userActive(false);
+ }
+ }, timeout);
+ }, 250);
+ };
+
+ /**
+ * Gets or sets the current playback rate. A playback rate of
+ * 1.0 represents normal speed and 0.5 would indicate half-speed
+ * playback, for instance.
+ *
+ * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-playbackrate
+ *
+ * @param {number} [rate]
+ * New playback rate to set.
+ *
+ * @return {number}
+ * The current playback rate when getting or 1.0
+ */
+
+
+ Player.prototype.playbackRate = function playbackRate(rate) {
+ if (rate !== undefined) {
+ this.techCall_('setPlaybackRate', rate);
+ return;
+ }
+
+ if (this.tech_ && this.tech_.featuresPlaybackRate) {
+ return this.techGet_('playbackRate');
+ }
+ return 1.0;
+ };
+
+ /**
+ * Gets or sets the current default playback rate. A default playback rate of
+ * 1.0 represents normal speed and 0.5 would indicate half-speed playback, for instance.
+ * defaultPlaybackRate will only represent what the intial playbackRate of a video was, not
+ * not the current playbackRate.
+ *
+ * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-defaultplaybackrate
+ *
+ * @param {number} [rate]
+ * New default playback rate to set.
+ *
+ * @return {number|Player}
+ * - The default playback rate when getting or 1.0
+ * - the player when setting
+ */
+
+
+ Player.prototype.defaultPlaybackRate = function defaultPlaybackRate(rate) {
+ if (rate !== undefined) {
+ return this.techCall_('setDefaultPlaybackRate', rate);
+ }
+
+ if (this.tech_ && this.tech_.featuresPlaybackRate) {
+ return this.techGet_('defaultPlaybackRate');
+ }
+ return 1.0;
+ };
+
+ /**
+ * Gets or sets the audio flag
+ *
+ * @param {boolean} bool
+ * - true signals that this is an audio player
+ * - false signals that this is not an audio player
+ *
+ * @return {boolean}
+ * The current value of isAudio when getting
+ */
+
+
+ Player.prototype.isAudio = function isAudio(bool) {
+ if (bool !== undefined) {
+ this.isAudio_ = !!bool;
+ return;
+ }
+
+ return !!this.isAudio_;
+ };
+
+ /**
+ * A helper method for adding a {@link TextTrack} to our
+ * {@link TextTrackList}.
+ *
+ * In addition to the W3C settings we allow adding additional info through options.
+ *
+ * @see http://www.w3.org/html/wg/drafts/html/master/embedded-content-0.html#dom-media-addtexttrack
+ *
+ * @param {string} [kind]
+ * the kind of TextTrack you are adding
+ *
+ * @param {string} [label]
+ * the label to give the TextTrack label
+ *
+ * @param {string} [language]
+ * the language to set on the TextTrack
+ *
+ * @return {TextTrack|undefined}
+ * the TextTrack that was added or undefined
+ * if there is no tech
+ */
+
+
+ Player.prototype.addTextTrack = function addTextTrack(kind, label, language) {
+ if (this.tech_) {
+ return this.tech_.addTextTrack(kind, label, language);
+ }
+ };
+
+ /**
+ * Create a remote {@link TextTrack} and an {@link HTMLTrackElement}. It will
+ * automatically removed from the video element whenever the source changes, unless
+ * manualCleanup is set to false.
+ *
+ * @param {Object} options
+ * Options to pass to {@link HTMLTrackElement} during creation. See
+ * {@link HTMLTrackElement} for object properties that you should use.
+ *
+ * @param {boolean} [manualCleanup=true] if set to false, the TextTrack will be
+ *
+ * @return {HtmlTrackElement}
+ * the HTMLTrackElement that was created and added
+ * to the HtmlTrackElementList and the remote
+ * TextTrackList
+ *
+ * @deprecated The default value of the "manualCleanup" parameter will default
+ * to "false" in upcoming versions of Video.js
+ */
+
+
+ Player.prototype.addRemoteTextTrack = function addRemoteTextTrack(options, manualCleanup) {
+ if (this.tech_) {
+ return this.tech_.addRemoteTextTrack(options, manualCleanup);
+ }
+ };
+
+ /**
+ * Remove a remote {@link TextTrack} from the respective
+ * {@link TextTrackList} and {@link HtmlTrackElementList}.
+ *
+ * @param {Object} track
+ * Remote {@link TextTrack} to remove
+ *
+ * @return {undefined}
+ * does not return anything
+ */
+
+
+ Player.prototype.removeRemoteTextTrack = function removeRemoteTextTrack() {
+ var _ref3 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
+ _ref3$track = _ref3.track,
+ track = _ref3$track === undefined ? arguments[0] : _ref3$track;
+
+ // destructure the input into an object with a track argument, defaulting to arguments[0]
+ // default the whole argument to an empty object if nothing was passed in
+
+ if (this.tech_) {
+ return this.tech_.removeRemoteTextTrack(track);
+ }
+ };
+
+ /**
+ * Gets available media playback quality metrics as specified by the W3C's Media
+ * Playback Quality API.
+ *
+ * @see [Spec]{@link https://wicg.github.io/media-playback-quality}
+ *
+ * @return {Object|undefined}
+ * An object with supported media playback quality metrics or undefined if there
+ * is no tech or the tech does not support it.
+ */
+
+
+ Player.prototype.getVideoPlaybackQuality = function getVideoPlaybackQuality() {
+ return this.techGet_('getVideoPlaybackQuality');
+ };
+
+ /**
+ * Get video width
+ *
+ * @return {number}
+ * current video width
+ */
+
+
+ Player.prototype.videoWidth = function videoWidth() {
+ return this.tech_ && this.tech_.videoWidth && this.tech_.videoWidth() || 0;
+ };
+
+ /**
+ * Get video height
+ *
+ * @return {number}
+ * current video height
+ */
+
+
+ Player.prototype.videoHeight = function videoHeight() {
+ return this.tech_ && this.tech_.videoHeight && this.tech_.videoHeight() || 0;
+ };
+
+ /**
+ * The player's language code
+ * NOTE: The language should be set in the player options if you want the
+ * the controls to be built with a specific language. Changing the lanugage
+ * later will not update controls text.
+ *
+ * @param {string} [code]
+ * the language code to set the player to
+ *
+ * @return {string}
+ * The current language code when getting
+ */
+
+
+ Player.prototype.language = function language(code) {
+ if (code === undefined) {
+ return this.language_;
+ }
+
+ this.language_ = String(code).toLowerCase();
+ };
+
+ /**
+ * Get the player's language dictionary
+ * Merge every time, because a newly added plugin might call videojs.addLanguage() at any time
+ * Languages specified directly in the player options have precedence
+ *
+ * @return {Array}
+ * An array of of supported languages
+ */
+
+
+ Player.prototype.languages = function languages() {
+ return mergeOptions(Player.prototype.options_.languages, this.languages_);
+ };
+
+ /**
+ * returns a JavaScript object reperesenting the current track
+ * information. **DOES not return it as JSON**
+ *
+ * @return {Object}
+ * Object representing the current of track info
+ */
+
+
+ Player.prototype.toJSON = function toJSON() {
+ var options = mergeOptions(this.options_);
+ var tracks = options.tracks;
+
+ options.tracks = [];
+
+ for (var i = 0; i < tracks.length; i++) {
+ var track = tracks[i];
+
+ // deep merge tracks and null out player so no circular references
+ track = mergeOptions(track);
+ track.player = undefined;
+ options.tracks[i] = track;
+ }
+
+ return options;
+ };
+
+ /**
+ * Creates a simple modal dialog (an instance of the {@link ModalDialog}
+ * component) that immediately overlays the player with arbitrary
+ * content and removes itself when closed.
+ *
+ * @param {string|Function|Element|Array|null} content
+ * Same as {@link ModalDialog#content}'s param of the same name.
+ * The most straight-forward usage is to provide a string or DOM
+ * element.
+ *
+ * @param {Object} [options]
+ * Extra options which will be passed on to the {@link ModalDialog}.
+ *
+ * @return {ModalDialog}
+ * the {@link ModalDialog} that was created
+ */
+
+
+ Player.prototype.createModal = function createModal(content, options) {
+ var _this8 = this;
+
+ options = options || {};
+ options.content = content || '';
+
+ var modal = new ModalDialog(this, options);
+
+ this.addChild(modal);
+ modal.on('dispose', function () {
+ _this8.removeChild(modal);
+ });
+
+ modal.open();
+ return modal;
+ };
+
+ /**
+ * Gets tag settings
+ *
+ * @param {Element} tag
+ * The player tag
+ *
+ * @return {Object}
+ * An object containing all of the settings
+ * for a player tag
+ */
+
+
+ Player.getTagSettings = function getTagSettings(tag) {
+ var baseOptions = {
+ sources: [],
+ tracks: []
+ };
+
+ var tagOptions = getAttributes(tag);
+ var dataSetup = tagOptions['data-setup'];
+
+ if (hasClass(tag, 'vjs-fluid')) {
+ tagOptions.fluid = true;
+ }
+
+ // Check if data-setup attr exists.
+ if (dataSetup !== null) {
+ // Parse options JSON
+ // If empty string, make it a parsable json object.
+ var _safeParseTuple = tuple(dataSetup || '{}'),
+ err = _safeParseTuple[0],
+ data = _safeParseTuple[1];
+
+ if (err) {
+ log$1.error(err);
+ }
+ assign(tagOptions, data);
+ }
+
+ assign(baseOptions, tagOptions);
+
+ // Get tag children settings
+ if (tag.hasChildNodes()) {
+ var children = tag.childNodes;
+
+ for (var i = 0, j = children.length; i < j; i++) {
+ var child = children[i];
+ // Change case needed: http://ejohn.org/blog/nodename-case-sensitivity/
+ var childName = child.nodeName.toLowerCase();
+
+ if (childName === 'source') {
+ baseOptions.sources.push(getAttributes(child));
+ } else if (childName === 'track') {
+ baseOptions.tracks.push(getAttributes(child));
+ }
+ }
+ }
+
+ return baseOptions;
+ };
+
+ /**
+ * Determine wether or not flexbox is supported
+ *
+ * @return {boolean}
+ * - true if flexbox is supported
+ * - false if flexbox is not supported
+ */
+
+
+ Player.prototype.flexNotSupported_ = function flexNotSupported_() {
+ var elem = document_1.createElement('i');
+
+ // Note: We don't actually use flexBasis (or flexOrder), but it's one of the more
+ // common flex features that we can rely on when checking for flex support.
+ return !('flexBasis' in elem.style || 'webkitFlexBasis' in elem.style || 'mozFlexBasis' in elem.style || 'msFlexBasis' in elem.style ||
+ // IE10-specific (2012 flex spec)
+ 'msFlexOrder' in elem.style);
+ };
+
+ return Player;
+}(Component);
+
+/**
+ * Get the {@link VideoTrackList}
+ * @link https://html.spec.whatwg.org/multipage/embedded-content.html#videotracklist
+ *
+ * @return {VideoTrackList}
+ * the current video track list
+ *
+ * @method Player.prototype.videoTracks
+ */
+
+/**
+ * Get the {@link AudioTrackList}
+ * @link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotracklist
+ *
+ * @return {AudioTrackList}
+ * the current audio track list
+ *
+ * @method Player.prototype.audioTracks
+ */
+
+/**
+ * Get the {@link TextTrackList}
+ *
+ * @link http://www.w3.org/html/wg/drafts/html/master/embedded-content-0.html#dom-media-texttracks
+ *
+ * @return {TextTrackList}
+ * the current text track list
+ *
+ * @method Player.prototype.textTracks
+ */
+
+/**
+ * Get the remote {@link TextTrackList}
+ *
+ * @return {TextTrackList}
+ * The current remote text track list
+ *
+ * @method Player.prototype.remoteTextTracks
+ */
+
+/**
+ * Get the remote {@link HtmlTrackElementList} tracks.
+ *
+ * @return {HtmlTrackElementList}
+ * The current remote text track element list
+ *
+ * @method Player.prototype.remoteTextTrackEls
+ */
+
+ALL.names.forEach(function (name$$1) {
+ var props = ALL[name$$1];
+
+ Player.prototype[props.getterName] = function () {
+ if (this.tech_) {
+ return this.tech_[props.getterName]();
+ }
+
+ // if we have not yet loadTech_, we create {video,audio,text}Tracks_
+ // these will be passed to the tech during loading
+ this[props.privateName] = this[props.privateName] || new props.ListClass();
+ return this[props.privateName];
+ };
+});
+
+/**
+ * Global player list
+ *
+ * @type {Object}
+ */
+Player.players = {};
+
+var navigator$1 = window_1.navigator;
+
+/*
+ * Player instance options, surfaced using options
+ * options = Player.prototype.options_
+ * Make changes in options, not here.
+ *
+ * @type {Object}
+ * @private
+ */
+Player.prototype.options_ = {
+ // Default order of fallback technology
+ techOrder: Tech.defaultTechOrder_,
+
+ html5: {},
+ flash: {},
+
+ // default inactivity timeout
+ inactivityTimeout: 2000,
+
+ // default playback rates
+ playbackRates: [],
+ // Add playback rate selection by adding rates
+ // 'playbackRates': [0.5, 1, 1.5, 2],
+
+ // Included control sets
+ children: ['mediaLoader', 'posterImage', 'textTrackDisplay', 'loadingSpinner', 'bigPlayButton', 'controlBar', 'errorDisplay', 'textTrackSettings'],
+
+ language: navigator$1 && (navigator$1.languages && navigator$1.languages[0] || navigator$1.userLanguage || navigator$1.language) || 'en',
+
+ // locales and their language translations
+ languages: {},
+
+ // Default message to show when a video cannot be played.
+ notSupportedMessage: 'No compatible source was found for this media.'
+};
+
+if (!IS_IE8) {
+ Player.prototype.options_.children.push('resizeManager');
+}
+
+[
+/**
+ * Returns whether or not the player is in the "ended" state.
+ *
+ * @return {Boolean} True if the player is in the ended state, false if not.
+ * @method Player#ended
+ */
+'ended',
+/**
+ * Returns whether or not the player is in the "seeking" state.
+ *
+ * @return {Boolean} True if the player is in the seeking state, false if not.
+ * @method Player#seeking
+ */
+'seeking',
+/**
+ * Returns the TimeRanges of the media that are currently available
+ * for seeking to.
+ *
+ * @return {TimeRanges} the seekable intervals of the media timeline
+ * @method Player#seekable
+ */
+'seekable',
+/**
+ * Returns the current state of network activity for the element, from
+ * the codes in the list below.
+ * - NETWORK_EMPTY (numeric value 0)
+ * The element has not yet been initialised. All attributes are in
+ * their initial states.
+ * - NETWORK_IDLE (numeric value 1)
+ * The element's resource selection algorithm is active and has
+ * selected a resource, but it is not actually using the network at
+ * this time.
+ * - NETWORK_LOADING (numeric value 2)
+ * The user agent is actively trying to download data.
+ * - NETWORK_NO_SOURCE (numeric value 3)
+ * The element's resource selection algorithm is active, but it has
+ * not yet found a resource to use.
+ *
+ * @see https://html.spec.whatwg.org/multipage/embedded-content.html#network-states
+ * @return {number} the current network activity state
+ * @method Player#networkState
+ */
+'networkState',
+/**
+ * Returns a value that expresses the current state of the element
+ * with respect to rendering the current playback position, from the
+ * codes in the list below.
+ * - HAVE_NOTHING (numeric value 0)
+ * No information regarding the media resource is available.
+ * - HAVE_METADATA (numeric value 1)
+ * Enough of the resource has been obtained that the duration of the
+ * resource is available.
+ * - HAVE_CURRENT_DATA (numeric value 2)
+ * Data for the immediate current playback position is available.
+ * - HAVE_FUTURE_DATA (numeric value 3)
+ * Data for the immediate current playback position is available, as
+ * well as enough data for the user agent to advance the current
+ * playback position in the direction of playback.
+ * - HAVE_ENOUGH_DATA (numeric value 4)
+ * The user agent estimates that enough data is available for
+ * playback to proceed uninterrupted.
+ *
+ * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-readystate
+ * @return {number} the current playback rendering state
+ * @method Player#readyState
+ */
+'readyState'].forEach(function (fn) {
+ Player.prototype[fn] = function () {
+ return this.techGet_(fn);
+ };
+});
+
+TECH_EVENTS_RETRIGGER.forEach(function (event) {
+ Player.prototype['handleTech' + toTitleCase(event) + '_'] = function () {
+ return this.trigger(event);
+ };
+});
+
+/**
+ * Fired when the player has initial duration and dimension information
+ *
+ * @event Player#loadedmetadata
+ * @type {EventTarget~Event}
+ */
+
+/**
+ * Fired when the player has downloaded data at the current playback position
+ *
+ * @event Player#loadeddata
+ * @type {EventTarget~Event}
+ */
+
+/**
+ * Fired when the current playback position has changed *
+ * During playback this is fired every 15-250 milliseconds, depending on the
+ * playback technology in use.
+ *
+ * @event Player#timeupdate
+ * @type {EventTarget~Event}
+ */
+
+/**
+ * Fired when the volume changes
+ *
+ * @event Player#volumechange
+ * @type {EventTarget~Event}
+ */
+
+/**
+ * Reports whether or not a player has a plugin available.
+ *
+ * This does not report whether or not the plugin has ever been initialized
+ * on this player. For that, [usingPlugin]{@link Player#usingPlugin}.
+ *
+ * @method Player#hasPlugin
+ * @param {string} name
+ * The name of a plugin.
+ *
+ * @return {boolean}
+ * Whether or not this player has the requested plugin available.
+ */
+
+/**
+ * Reports whether or not a player is using a plugin by name.
+ *
+ * For basic plugins, this only reports whether the plugin has _ever_ been
+ * initialized on this player.
+ *
+ * @method Player#usingPlugin
+ * @param {string} name
+ * The name of a plugin.
+ *
+ * @return {boolean}
+ * Whether or not this player is using the requested plugin.
+ */
+
+Component.registerComponent('Player', Player);
+
+/**
+ * @file plugin.js
+ */
+/**
+ * The base plugin name.
+ *
+ * @private
+ * @constant
+ * @type {string}
+ */
+var BASE_PLUGIN_NAME = 'plugin';
+
+/**
+ * The key on which a player's active plugins cache is stored.
+ *
+ * @private
+ * @constant
+ * @type {string}
+ */
+var PLUGIN_CACHE_KEY = 'activePlugins_';
+
+/**
+ * Stores registered plugins in a private space.
+ *
+ * @private
+ * @type {Object}
+ */
+var pluginStorage = {};
+
+/**
+ * Reports whether or not a plugin has been registered.
+ *
+ * @private
+ * @param {string} name
+ * The name of a plugin.
+ *
+ * @returns {boolean}
+ * Whether or not the plugin has been registered.
+ */
+var pluginExists = function pluginExists(name) {
+ return pluginStorage.hasOwnProperty(name);
+};
+
+/**
+ * Get a single registered plugin by name.
+ *
+ * @private
+ * @param {string} name
+ * The name of a plugin.
+ *
+ * @returns {Function|undefined}
+ * The plugin (or undefined).
+ */
+var getPlugin = function getPlugin(name) {
+ return pluginExists(name) ? pluginStorage[name] : undefined;
+};
+
+/**
+ * Marks a plugin as "active" on a player.
+ *
+ * Also, ensures that the player has an object for tracking active plugins.
+ *
+ * @private
+ * @param {Player} player
+ * A Video.js player instance.
+ *
+ * @param {string} name
+ * The name of a plugin.
+ */
+var markPluginAsActive = function markPluginAsActive(player, name) {
+ player[PLUGIN_CACHE_KEY] = player[PLUGIN_CACHE_KEY] || {};
+ player[PLUGIN_CACHE_KEY][name] = true;
+};
+
+/**
+ * Triggers a pair of plugin setup events.
+ *
+ * @private
+ * @param {Player} player
+ * A Video.js player instance.
+ *
+ * @param {Plugin~PluginEventHash} hash
+ * A plugin event hash.
+ *
+ * @param {Boolean} [before]
+ * If true, prefixes the event name with "before". In other words,
+ * use this to trigger "beforepluginsetup" instead of "pluginsetup".
+ */
+var triggerSetupEvent = function triggerSetupEvent(player, hash, before) {
+ var eventName = (before ? 'before' : '') + 'pluginsetup';
+
+ player.trigger(eventName, hash);
+ player.trigger(eventName + ':' + hash.name, hash);
+};
+
+/**
+ * Takes a basic plugin function and returns a wrapper function which marks
+ * on the player that the plugin has been activated.
+ *
+ * @private
+ * @param {string} name
+ * The name of the plugin.
+ *
+ * @param {Function} plugin
+ * The basic plugin.
+ *
+ * @returns {Function}
+ * A wrapper function for the given plugin.
+ */
+var createBasicPlugin = function createBasicPlugin(name, plugin) {
+ var basicPluginWrapper = function basicPluginWrapper() {
+
+ // We trigger the "beforepluginsetup" and "pluginsetup" events on the player
+ // regardless, but we want the hash to be consistent with the hash provided
+ // for advanced plugins.
+ //
+ // The only potentially counter-intuitive thing here is the `instance` in
+ // the "pluginsetup" event is the value returned by the `plugin` function.
+ triggerSetupEvent(this, { name: name, plugin: plugin, instance: null }, true);
+
+ var instance = plugin.apply(this, arguments);
+
+ markPluginAsActive(this, name);
+ triggerSetupEvent(this, { name: name, plugin: plugin, instance: instance });
+
+ return instance;
+ };
+
+ Object.keys(plugin).forEach(function (prop) {
+ basicPluginWrapper[prop] = plugin[prop];
+ });
+
+ return basicPluginWrapper;
+};
+
+/**
+ * Takes a plugin sub-class and returns a factory function for generating
+ * instances of it.
+ *
+ * This factory function will replace itself with an instance of the requested
+ * sub-class of Plugin.
+ *
+ * @private
+ * @param {string} name
+ * The name of the plugin.
+ *
+ * @param {Plugin} PluginSubClass
+ * The advanced plugin.
+ *
+ * @returns {Function}
+ */
+var createPluginFactory = function createPluginFactory(name, PluginSubClass) {
+
+ // Add a `name` property to the plugin prototype so that each plugin can
+ // refer to itself by name.
+ PluginSubClass.prototype.name = name;
+
+ return function () {
+ triggerSetupEvent(this, { name: name, plugin: PluginSubClass, instance: null }, true);
+
+ for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+ args[_key] = arguments[_key];
+ }
+
+ var instance = new (Function.prototype.bind.apply(PluginSubClass, [null].concat([this].concat(args))))();
+
+ // The plugin is replaced by a function that returns the current instance.
+ this[name] = function () {
+ return instance;
+ };
+
+ triggerSetupEvent(this, instance.getEventHash());
+
+ return instance;
+ };
+};
+
+/**
+ * Parent class for all advanced plugins.
+ *
+ * @mixes module:evented~EventedMixin
+ * @mixes module:stateful~StatefulMixin
+ * @fires Player#beforepluginsetup
+ * @fires Player#beforepluginsetup:$name
+ * @fires Player#pluginsetup
+ * @fires Player#pluginsetup:$name
+ * @listens Player#dispose
+ * @throws {Error}
+ * If attempting to instantiate the base {@link Plugin} class
+ * directly instead of via a sub-class.
+ */
+
+var Plugin = function () {
+
+ /**
+ * Creates an instance of this class.
+ *
+ * Sub-classes should call `super` to ensure plugins are properly initialized.
+ *
+ * @param {Player} player
+ * A Video.js player instance.
+ */
+ function Plugin(player) {
+ classCallCheck(this, Plugin);
+
+ if (this.constructor === Plugin) {
+ throw new Error('Plugin must be sub-classed; not directly instantiated.');
+ }
+
+ this.player = player;
+
+ // Make this object evented, but remove the added `trigger` method so we
+ // use the prototype version instead.
+ evented(this);
+ delete this.trigger;
+
+ stateful(this, this.constructor.defaultState);
+ markPluginAsActive(player, this.name);
+
+ // Auto-bind the dispose method so we can use it as a listener and unbind
+ // it later easily.
+ this.dispose = bind(this, this.dispose);
+
+ // If the player is disposed, dispose the plugin.
+ player.on('dispose', this.dispose);
+ }
+
+ /**
+ * Get the version of the plugin that was set on <pluginName>.VERSION
+ */
+
+
+ Plugin.prototype.version = function version() {
+ return this.constructor.VERSION;
+ };
+
+ /**
+ * Each event triggered by plugins includes a hash of additional data with
+ * conventional properties.
+ *
+ * This returns that object or mutates an existing hash.
+ *
+ * @param {Object} [hash={}]
+ * An object to be used as event an event hash.
+ *
+ * @returns {Plugin~PluginEventHash}
+ * An event hash object with provided properties mixed-in.
+ */
+
+
+ Plugin.prototype.getEventHash = function getEventHash() {
+ var hash = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+
+ hash.name = this.name;
+ hash.plugin = this.constructor;
+ hash.instance = this;
+ return hash;
+ };
+
+ /**
+ * Triggers an event on the plugin object and overrides
+ * {@link module:evented~EventedMixin.trigger|EventedMixin.trigger}.
+ *
+ * @param {string|Object} event
+ * An event type or an object with a type property.
+ *
+ * @param {Object} [hash={}]
+ * Additional data hash to merge with a
+ * {@link Plugin~PluginEventHash|PluginEventHash}.
+ *
+ * @returns {boolean}
+ * Whether or not default was prevented.
+ */
+
+
+ Plugin.prototype.trigger = function trigger$$1(event) {
+ var hash = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+
+ return trigger(this.eventBusEl_, event, this.getEventHash(hash));
+ };
+
+ /**
+ * Handles "statechanged" events on the plugin. No-op by default, override by
+ * subclassing.
+ *
+ * @abstract
+ * @param {Event} e
+ * An event object provided by a "statechanged" event.
+ *
+ * @param {Object} e.changes
+ * An object describing changes that occurred with the "statechanged"
+ * event.
+ */
+
+
+ Plugin.prototype.handleStateChanged = function handleStateChanged(e) {};
+
+ /**
+ * Disposes a plugin.
+ *
+ * Subclasses can override this if they want, but for the sake of safety,
+ * it's probably best to subscribe the "dispose" event.
+ *
+ * @fires Plugin#dispose
+ */
+
+
+ Plugin.prototype.dispose = function dispose() {
+ var name = this.name,
+ player = this.player;
+
+ /**
+ * Signals that a advanced plugin is about to be disposed.
+ *
+ * @event Plugin#dispose
+ * @type {EventTarget~Event}
+ */
+
+ this.trigger('dispose');
+ this.off();
+ player.off('dispose', this.dispose);
+
+ // Eliminate any possible sources of leaking memory by clearing up
+ // references between the player and the plugin instance and nulling out
+ // the plugin's state and replacing methods with a function that throws.
+ player[PLUGIN_CACHE_KEY][name] = false;
+ this.player = this.state = null;
+
+ // Finally, replace the plugin name on the player with a new factory
+ // function, so that the plugin is ready to be set up again.
+ player[name] = createPluginFactory(name, pluginStorage[name]);
+ };
+
+ /**
+ * Determines if a plugin is a basic plugin (i.e. not a sub-class of `Plugin`).
+ *
+ * @param {string|Function} plugin
+ * If a string, matches the name of a plugin. If a function, will be
+ * tested directly.
+ *
+ * @returns {boolean}
+ * Whether or not a plugin is a basic plugin.
+ */
+
+
+ Plugin.isBasic = function isBasic(plugin) {
+ var p = typeof plugin === 'string' ? getPlugin(plugin) : plugin;
+
+ return typeof p === 'function' && !Plugin.prototype.isPrototypeOf(p.prototype);
+ };
+
+ /**
+ * Register a Video.js plugin.
+ *
+ * @param {string} name
+ * The name of the plugin to be registered. Must be a string and
+ * must not match an existing plugin or a method on the `Player`
+ * prototype.
+ *
+ * @param {Function} plugin
+ * A sub-class of `Plugin` or a function for basic plugins.
+ *
+ * @returns {Function}
+ * For advanced plugins, a factory function for that plugin. For
+ * basic plugins, a wrapper function that initializes the plugin.
+ */
+
+
+ Plugin.registerPlugin = function registerPlugin(name, plugin) {
+ if (typeof name !== 'string') {
+ throw new Error('Illegal plugin name, "' + name + '", must be a string, was ' + (typeof name === 'undefined' ? 'undefined' : _typeof(name)) + '.');
+ }
+
+ if (pluginExists(name)) {
+ log$1.warn('A plugin named "' + name + '" already exists. You may want to avoid re-registering plugins!');
+ } else if (Player.prototype.hasOwnProperty(name)) {
+ throw new Error('Illegal plugin name, "' + name + '", cannot share a name with an existing player method!');
+ }
+
+ if (typeof plugin !== 'function') {
+ throw new Error('Illegal plugin for "' + name + '", must be a function, was ' + (typeof plugin === 'undefined' ? 'undefined' : _typeof(plugin)) + '.');
+ }
+
+ pluginStorage[name] = plugin;
+
+ // Add a player prototype method for all sub-classed plugins (but not for
+ // the base Plugin class).
+ if (name !== BASE_PLUGIN_NAME) {
+ if (Plugin.isBasic(plugin)) {
+ Player.prototype[name] = createBasicPlugin(name, plugin);
+ } else {
+ Player.prototype[name] = createPluginFactory(name, plugin);
+ }
+ }
+
+ return plugin;
+ };
+
+ /**
+ * De-register a Video.js plugin.
+ *
+ * @param {string} name
+ * The name of the plugin to be deregistered.
+ */
+
+
+ Plugin.deregisterPlugin = function deregisterPlugin(name) {
+ if (name === BASE_PLUGIN_NAME) {
+ throw new Error('Cannot de-register base plugin.');
+ }
+ if (pluginExists(name)) {
+ delete pluginStorage[name];
+ delete Player.prototype[name];
+ }
+ };
+
+ /**
+ * Gets an object containing multiple Video.js plugins.
+ *
+ * @param {Array} [names]
+ * If provided, should be an array of plugin names. Defaults to _all_
+ * plugin names.
+ *
+ * @returns {Object|undefined}
+ * An object containing plugin(s) associated with their name(s) or
+ * `undefined` if no matching plugins exist).
+ */
+
+
+ Plugin.getPlugins = function getPlugins() {
+ var names = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : Object.keys(pluginStorage);
+
+ var result = void 0;
+
+ names.forEach(function (name) {
+ var plugin = getPlugin(name);
+
+ if (plugin) {
+ result = result || {};
+ result[name] = plugin;
+ }
+ });
+
+ return result;
+ };
+
+ /**
+ * Gets a plugin's version, if available
+ *
+ * @param {string} name
+ * The name of a plugin.
+ *
+ * @returns {string}
+ * The plugin's version or an empty string.
+ */
+
+
+ Plugin.getPluginVersion = function getPluginVersion(name) {
+ var plugin = getPlugin(name);
+
+ return plugin && plugin.VERSION || '';
+ };
+
+ return Plugin;
+}();
+
+/**
+ * Gets a plugin by name if it exists.
+ *
+ * @static
+ * @method getPlugin
+ * @memberOf Plugin
+ * @param {string} name
+ * The name of a plugin.
+ *
+ * @returns {Function|undefined}
+ * The plugin (or `undefined`).
+ */
+
+
+Plugin.getPlugin = getPlugin;
+
+/**
+ * The name of the base plugin class as it is registered.
+ *
+ * @type {string}
+ */
+Plugin.BASE_PLUGIN_NAME = BASE_PLUGIN_NAME;
+
+Plugin.registerPlugin(BASE_PLUGIN_NAME, Plugin);
+
+/**
+ * Documented in player.js
+ *
+ * @ignore
+ */
+Player.prototype.usingPlugin = function (name) {
+ return !!this[PLUGIN_CACHE_KEY] && this[PLUGIN_CACHE_KEY][name] === true;
+};
+
+/**
+ * Documented in player.js
+ *
+ * @ignore
+ */
+Player.prototype.hasPlugin = function (name) {
+ return !!pluginExists(name);
+};
+
+/**
+ * Signals that a plugin is about to be set up on a player.
+ *
+ * @event Player#beforepluginsetup
+ * @type {Plugin~PluginEventHash}
+ */
+
+/**
+ * Signals that a plugin is about to be set up on a player - by name. The name
+ * is the name of the plugin.
+ *
+ * @event Player#beforepluginsetup:$name
+ * @type {Plugin~PluginEventHash}
+ */
+
+/**
+ * Signals that a plugin has just been set up on a player.
+ *
+ * @event Player#pluginsetup
+ * @type {Plugin~PluginEventHash}
+ */
+
+/**
+ * Signals that a plugin has just been set up on a player - by name. The name
+ * is the name of the plugin.
+ *
+ * @event Player#pluginsetup:$name
+ * @type {Plugin~PluginEventHash}
+ */
+
+/**
+ * @typedef {Object} Plugin~PluginEventHash
+ *
+ * @property {string} instance
+ * For basic plugins, the return value of the plugin function. For
+ * advanced plugins, the plugin instance on which the event is fired.
+ *
+ * @property {string} name
+ * The name of the plugin.
+ *
+ * @property {string} plugin
+ * For basic plugins, the plugin function. For advanced plugins, the
+ * plugin class/constructor.
+ */
+
+/**
+ * @file extend.js
+ * @module extend
+ */
+
+/**
+ * A combination of node inherits and babel's inherits (after transpile).
+ * Both work the same but node adds `super_` to the subClass
+ * and Bable adds the superClass as __proto__. Both seem useful.
+ *
+ * @param {Object} subClass
+ * The class to inherit to
+ *
+ * @param {Object} superClass
+ * The class to inherit from
+ *
+ * @private
+ */
+var _inherits = function _inherits(subClass, superClass) {
+ if (typeof superClass !== 'function' && superClass !== null) {
+ throw new TypeError('Super expression must either be null or a function, not ' + (typeof superClass === 'undefined' ? 'undefined' : _typeof(superClass)));
+ }
+
+ subClass.prototype = Object.create(superClass && superClass.prototype, {
+ constructor: {
+ value: subClass,
+ enumerable: false,
+ writable: true,
+ configurable: true
+ }
+ });
+
+ if (superClass) {
+ // node
+ subClass.super_ = superClass;
+ }
+};
+
+/**
+ * Function for subclassing using the same inheritance that
+ * videojs uses internally
+ *
+ * @static
+ * @const
+ *
+ * @param {Object} superClass
+ * The class to inherit from
+ *
+ * @param {Object} [subClassMethods={}]
+ * The class to inherit to
+ *
+ * @return {Object}
+ * The new object with subClassMethods that inherited superClass.
+ */
+var extendFn = function extendFn(superClass) {
+ var subClassMethods = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+
+ var subClass = function subClass() {
+ superClass.apply(this, arguments);
+ };
+
+ var methods = {};
+
+ if ((typeof subClassMethods === 'undefined' ? 'undefined' : _typeof(subClassMethods)) === 'object') {
+ if (subClassMethods.constructor !== Object.prototype.constructor) {
+ subClass = subClassMethods.constructor;
+ }
+ methods = subClassMethods;
+ } else if (typeof subClassMethods === 'function') {
+ subClass = subClassMethods;
+ }
+
+ _inherits(subClass, superClass);
+
+ // Extend subObj's prototype with functions and other properties from props
+ for (var name in methods) {
+ if (methods.hasOwnProperty(name)) {
+ subClass.prototype[name] = methods[name];
+ }
+ }
+
+ return subClass;
+};
+
+/**
+ * @file video.js
+ * @module videojs
+ */
+// Include the built-in techs
+// HTML5 Element Shim for IE8
+if (typeof HTMLVideoElement === 'undefined' && isReal()) {
+ document_1.createElement('video');
+ document_1.createElement('audio');
+ document_1.createElement('track');
+ document_1.createElement('video-js');
+}
+
+/**
+ * Normalize an `id` value by trimming off a leading `#`
+ *
+ * @param {string} id
+ * A string, maybe with a leading `#`.
+ *
+ * @returns {string}
+ * The string, without any leading `#`.
+ */
+var normalizeId = function normalizeId(id) {
+ return id.indexOf('#') === 0 ? id.slice(1) : id;
+};
+
+/**
+ * Doubles as the main function for users to create a player instance and also
+ * the main library object.
+ * The `videojs` function can be used to initialize or retrieve a player.
+ *
+ * @param {string|Element} id
+ * Video element or video element ID
+ *
+ * @param {Object} [options]
+ * Optional options object for config/settings
+ *
+ * @param {Component~ReadyCallback} [ready]
+ * Optional ready callback
+ *
+ * @return {Player}
+ * A player instance
+ */
+function videojs(id, options, ready) {
+ var player = videojs.getPlayer(id);
+
+ if (player) {
+ if (options) {
+ log$1.warn('Player "' + id + '" is already initialised. Options will not be applied.');
+ }
+ if (ready) {
+ player.ready(ready);
+ }
+ return player;
+ }
+
+ var el = typeof id === 'string' ? $('#' + normalizeId(id)) : id;
+
+ if (!isEl(el)) {
+ throw new TypeError('The element or ID supplied is not valid. (videojs)');
+ }
+
+ if (!document_1.body.contains(el)) {
+ log$1.warn('The element supplied is not included in the DOM');
+ }
+
+ options = options || {};
+
+ videojs.hooks('beforesetup').forEach(function (hookFunction) {
+ var opts = hookFunction(el, mergeOptions(options));
+
+ if (!isObject(opts) || Array.isArray(opts)) {
+ log$1.error('please return an object in beforesetup hooks');
+ return;
+ }
+
+ options = mergeOptions(options, opts);
+ });
+
+ // We get the current "Player" component here in case an integration has
+ // replaced it with a custom player.
+ var PlayerComponent = Component.getComponent('Player');
+
+ player = new PlayerComponent(el, options, ready);
+
+ videojs.hooks('setup').forEach(function (hookFunction) {
+ return hookFunction(player);
+ });
+
+ return player;
+}
+
+/**
+ * An Object that contains lifecycle hooks as keys which point to an array
+ * of functions that are run when a lifecycle is triggered
+ */
+videojs.hooks_ = {};
+
+/**
+ * Get a list of hooks for a specific lifecycle
+ * @function videojs.hooks
+ *
+ * @param {string} type
+ * the lifecyle to get hooks from
+ *
+ * @param {Function|Function[]} [fn]
+ * Optionally add a hook (or hooks) to the lifecycle that your are getting.
+ *
+ * @return {Array}
+ * an array of hooks, or an empty array if there are none.
+ */
+videojs.hooks = function (type, fn) {
+ videojs.hooks_[type] = videojs.hooks_[type] || [];
+ if (fn) {
+ videojs.hooks_[type] = videojs.hooks_[type].concat(fn);
+ }
+ return videojs.hooks_[type];
+};
+
+/**
+ * Add a function hook to a specific videojs lifecycle.
+ *
+ * @param {string} type
+ * the lifecycle to hook the function to.
+ *
+ * @param {Function|Function[]}
+ * The function or array of functions to attach.
+ */
+videojs.hook = function (type, fn) {
+ videojs.hooks(type, fn);
+};
+
+/**
+ * Add a function hook that will only run once to a specific videojs lifecycle.
+ *
+ * @param {string} type
+ * the lifecycle to hook the function to.
+ *
+ * @param {Function|Function[]}
+ * The function or array of functions to attach.
+ */
+videojs.hookOnce = function (type, fn) {
+ videojs.hooks(type, [].concat(fn).map(function (original) {
+ var wrapper = function wrapper() {
+ videojs.removeHook(type, wrapper);
+ return original.apply(undefined, arguments);
+ };
+
+ return wrapper;
+ }));
+};
+
+/**
+ * Remove a hook from a specific videojs lifecycle.
+ *
+ * @param {string} type
+ * the lifecycle that the function hooked to
+ *
+ * @param {Function} fn
+ * The hooked function to remove
+ *
+ * @return {boolean}
+ * The function that was removed or undef
+ */
+videojs.removeHook = function (type, fn) {
+ var index = videojs.hooks(type).indexOf(fn);
+
+ if (index <= -1) {
+ return false;
+ }
+
+ videojs.hooks_[type] = videojs.hooks_[type].slice();
+ videojs.hooks_[type].splice(index, 1);
+
+ return true;
+};
+
+// Add default styles
+if (window_1.VIDEOJS_NO_DYNAMIC_STYLE !== true && isReal()) {
+ var style = $('.vjs-styles-defaults');
+
+ if (!style) {
+ style = createStyleElement('vjs-styles-defaults');
+ var head = $('head');
+
+ if (head) {
+ head.insertBefore(style, head.firstChild);
+ }
+ setTextContent(style, '\n .video-js {\n width: 300px;\n height: 150px;\n }\n\n .vjs-fluid {\n padding-top: 56.25%\n }\n ');
+ }
+}
+
+// Run Auto-load players
+// You have to wait at least once in case this script is loaded after your
+// video in the DOM (weird behavior only with minified version)
+autoSetupTimeout(1, videojs);
+
+/**
+ * Current software version. Follows semver.
+ *
+ * @type {string}
+ */
+videojs.VERSION = version;
+
+/**
+ * The global options object. These are the settings that take effect
+ * if no overrides are specified when the player is created.
+ *
+ * @type {Object}
+ */
+videojs.options = Player.prototype.options_;
+
+/**
+ * Get an object with the currently created players, keyed by player ID
+ *
+ * @return {Object}
+ * The created players
+ */
+videojs.getPlayers = function () {
+ return Player.players;
+};
+
+/**
+ * Get a single player based on an ID or DOM element.
+ *
+ * This is useful if you want to check if an element or ID has an associated
+ * Video.js player, but not create one if it doesn't.
+ *
+ * @param {string|Element} id
+ * An HTML element - `<video>`, `<audio>`, or `<video-js>` -
+ * or a string matching the `id` of such an element.
+ *
+ * @returns {Player|undefined}
+ * A player instance or `undefined` if there is no player instance
+ * matching the argument.
+ */
+videojs.getPlayer = function (id) {
+ var players = Player.players;
+ var tag = void 0;
+
+ if (typeof id === 'string') {
+ var nId = normalizeId(id);
+ var player = players[nId];
+
+ if (player) {
+ return player;
+ }
+
+ tag = $('#' + nId);
+ } else {
+ tag = id;
+ }
+
+ if (isEl(tag)) {
+ var _tag = tag,
+ _player = _tag.player,
+ playerId = _tag.playerId;
+
+ // Element may have a `player` property referring to an already created
+ // player instance. If so, return that.
+
+ if (_player || players[playerId]) {
+ return _player || players[playerId];
+ }
+ }
+};
+
+/**
+ * Returns an array of all current players.
+ *
+ * @return {Array}
+ * An array of all players. The array will be in the order that
+ * `Object.keys` provides, which could potentially vary between
+ * JavaScript engines.
+ *
+ */
+videojs.getAllPlayers = function () {
+ return (
+
+ // Disposed players leave a key with a `null` value, so we need to make sure
+ // we filter those out.
+ Object.keys(Player.players).map(function (k) {
+ return Player.players[k];
+ }).filter(Boolean)
+ );
+};
+
+/**
+ * Expose players object.
+ *
+ * @memberOf videojs
+ * @property {Object} players
+ */
+videojs.players = Player.players;
+
+/**
+ * Get a component class object by name
+ *
+ * @borrows Component.getComponent as videojs.getComponent
+ */
+videojs.getComponent = Component.getComponent;
+
+/**
+ * Register a component so it can referred to by name. Used when adding to other
+ * components, either through addChild `component.addChild('myComponent')` or through
+ * default children options `{ children: ['myComponent'] }`.
+ *
+ * > NOTE: You could also just initialize the component before adding.
+ * `component.addChild(new MyComponent());`
+ *
+ * @param {string} name
+ * The class name of the component
+ *
+ * @param {Component} comp
+ * The component class
+ *
+ * @return {Component}
+ * The newly registered component
+ */
+videojs.registerComponent = function (name$$1, comp) {
+ if (Tech.isTech(comp)) {
+ log$1.warn('The ' + name$$1 + ' tech was registered as a component. It should instead be registered using videojs.registerTech(name, tech)');
+ }
+
+ Component.registerComponent.call(Component, name$$1, comp);
+};
+
+/**
+ * Get a Tech class object by name
+ *
+ * @borrows Tech.getTech as videojs.getTech
+ */
+videojs.getTech = Tech.getTech;
+
+/**
+ * Register a Tech so it can referred to by name.
+ * This is used in the tech order for the player.
+ *
+ * @borrows Tech.registerTech as videojs.registerTech
+ */
+videojs.registerTech = Tech.registerTech;
+
+/**
+ * Register a middleware to a source type.
+ *
+ * @param {String} type A string representing a MIME type.
+ * @param {function(player):object} middleware A middleware factory that takes a player.
+ */
+videojs.use = use;
+
+/**
+ * An object that can be returned by a middleware to signify
+ * that the middleware is being terminated.
+ *
+ * @type {object}
+ * @memberOf {videojs}
+ * @property {object} middleware.TERMINATOR
+ */
+// Object.defineProperty is not available in IE8
+if (!IS_IE8 && Object.defineProperty) {
+ Object.defineProperty(videojs, 'middleware', {
+ value: {},
+ writeable: false,
+ enumerable: true
+ });
+
+ Object.defineProperty(videojs.middleware, 'TERMINATOR', {
+ value: TERMINATOR,
+ writeable: false,
+ enumerable: true
+ });
+} else {
+ videojs.middleware = { TERMINATOR: TERMINATOR };
+}
+
+/**
+ * A suite of browser and device tests from {@link browser}.
+ *
+ * @type {Object}
+ * @private
+ */
+videojs.browser = browser;
+
+/**
+ * Whether or not the browser supports touch events. Included for backward
+ * compatibility with 4.x, but deprecated. Use `videojs.browser.TOUCH_ENABLED`
+ * instead going forward.
+ *
+ * @deprecated since version 5.0
+ * @type {boolean}
+ */
+videojs.TOUCH_ENABLED = TOUCH_ENABLED;
+
+/**
+ * Subclass an existing class
+ * Mimics ES6 subclassing with the `extend` keyword
+ *
+ * @borrows extend:extendFn as videojs.extend
+ */
+videojs.extend = extendFn;
+
+/**
+ * Merge two options objects recursively
+ * Performs a deep merge like lodash.merge but **only merges plain objects**
+ * (not arrays, elements, anything else)
+ * Other values will be copied directly from the second object.
+ *
+ * @borrows merge-options:mergeOptions as videojs.mergeOptions
+ */
+videojs.mergeOptions = mergeOptions;
+
+/**
+ * Change the context (this) of a function
+ *
+ * > NOTE: as of v5.0 we require an ES5 shim, so you should use the native
+ * `function() {}.bind(newContext);` instead of this.
+ *
+ * @borrows fn:bind as videojs.bind
+ */
+videojs.bind = bind;
+
+/**
+ * Register a Video.js plugin.
+ *
+ * @borrows plugin:registerPlugin as videojs.registerPlugin
+ * @method registerPlugin
+ *
+ * @param {string} name
+ * The name of the plugin to be registered. Must be a string and
+ * must not match an existing plugin or a method on the `Player`
+ * prototype.
+ *
+ * @param {Function} plugin
+ * A sub-class of `Plugin` or a function for basic plugins.
+ *
+ * @return {Function}
+ * For advanced plugins, a factory function for that plugin. For
+ * basic plugins, a wrapper function that initializes the plugin.
+ */
+videojs.registerPlugin = Plugin.registerPlugin;
+
+/**
+ * Deprecated method to register a plugin with Video.js
+ *
+ * @deprecated
+ * videojs.plugin() is deprecated; use videojs.registerPlugin() instead
+ *
+ * @param {string} name
+ * The plugin name
+ *
+ * @param {Plugin|Function} plugin
+ * The plugin sub-class or function
+ */
+videojs.plugin = function (name$$1, plugin) {
+ log$1.warn('videojs.plugin() is deprecated; use videojs.registerPlugin() instead');
+ return Plugin.registerPlugin(name$$1, plugin);
+};
+
+/**
+ * Gets an object containing multiple Video.js plugins.
+ *
+ * @param {Array} [names]
+ * If provided, should be an array of plugin names. Defaults to _all_
+ * plugin names.
+ *
+ * @return {Object|undefined}
+ * An object containing plugin(s) associated with their name(s) or
+ * `undefined` if no matching plugins exist).
+ */
+videojs.getPlugins = Plugin.getPlugins;
+
+/**
+ * Gets a plugin by name if it exists.
+ *
+ * @param {string} name
+ * The name of a plugin.
+ *
+ * @return {Function|undefined}
+ * The plugin (or `undefined`).
+ */
+videojs.getPlugin = Plugin.getPlugin;
+
+/**
+ * Gets a plugin's version, if available
+ *
+ * @param {string} name
+ * The name of a plugin.
+ *
+ * @return {string}
+ * The plugin's version or an empty string.
+ */
+videojs.getPluginVersion = Plugin.getPluginVersion;
+
+/**
+ * Adding languages so that they're available to all players.
+ * Example: `videojs.addLanguage('es', { 'Hello': 'Hola' });`
+ *
+ * @param {string} code
+ * The language code or dictionary property
+ *
+ * @param {Object} data
+ * The data values to be translated
+ *
+ * @return {Object}
+ * The resulting language dictionary object
+ */
+videojs.addLanguage = function (code, data) {
+ var _mergeOptions;
+
+ code = ('' + code).toLowerCase();
+
+ videojs.options.languages = mergeOptions(videojs.options.languages, (_mergeOptions = {}, _mergeOptions[code] = data, _mergeOptions));
+
+ return videojs.options.languages[code];
+};
+
+/**
+ * Log messages
+ *
+ * @borrows log:log as videojs.log
+ */
+videojs.log = log$1;
+
+/**
+ * Creates an emulated TimeRange object.
+ *
+ * @borrows time-ranges:createTimeRanges as videojs.createTimeRange
+ */
+/**
+ * @borrows time-ranges:createTimeRanges as videojs.createTimeRanges
+ */
+videojs.createTimeRange = videojs.createTimeRanges = createTimeRanges;
+
+/**
+ * Format seconds as a time string, H:MM:SS or M:SS
+ * Supplying a guide (in seconds) will force a number of leading zeros
+ * to cover the length of the guide
+ *
+ * @borrows format-time:formatTime as videojs.formatTime
+ */
+videojs.formatTime = formatTime;
+
+/**
+ * Resolve and parse the elements of a URL
+ *
+ * @borrows url:parseUrl as videojs.parseUrl
+ */
+videojs.parseUrl = parseUrl;
+
+/**
+ * Returns whether the url passed is a cross domain request or not.
+ *
+ * @borrows url:isCrossOrigin as videojs.isCrossOrigin
+ */
+videojs.isCrossOrigin = isCrossOrigin;
+
+/**
+ * Event target class.
+ *
+ * @borrows EventTarget as videojs.EventTarget
+ */
+videojs.EventTarget = EventTarget;
+
+/**
+ * Add an event listener to element
+ * It stores the handler function in a separate cache object
+ * and adds a generic handler to the element's event,
+ * along with a unique id (guid) to the element.
+ *
+ * @borrows events:on as videojs.on
+ */
+videojs.on = on;
+
+/**
+ * Trigger a listener only once for an event
+ *
+ * @borrows events:one as videojs.one
+ */
+videojs.one = one;
+
+/**
+ * Removes event listeners from an element
+ *
+ * @borrows events:off as videojs.off
+ */
+videojs.off = off;
+
+/**
+ * Trigger an event for an element
+ *
+ * @borrows events:trigger as videojs.trigger
+ */
+videojs.trigger = trigger;
+
+/**
+ * A cross-browser XMLHttpRequest wrapper. Here's a simple example:
+ *
+ * @param {Object} options
+ * settings for the request.
+ *
+ * @return {XMLHttpRequest|XDomainRequest}
+ * The request object.
+ *
+ * @see https://github.com/Raynos/xhr
+ */
+videojs.xhr = xhr;
+
+/**
+ * TextTrack class
+ *
+ * @borrows TextTrack as videojs.TextTrack
+ */
+videojs.TextTrack = TextTrack;
+
+/**
+ * export the AudioTrack class so that source handlers can create
+ * AudioTracks and then add them to the players AudioTrackList
+ *
+ * @borrows AudioTrack as videojs.AudioTrack
+ */
+videojs.AudioTrack = AudioTrack;
+
+/**
+ * export the VideoTrack class so that source handlers can create
+ * VideoTracks and then add them to the players VideoTrackList
+ *
+ * @borrows VideoTrack as videojs.VideoTrack
+ */
+videojs.VideoTrack = VideoTrack;
+
+/**
+ * Determines, via duck typing, whether or not a value is a DOM element.
+ *
+ * @borrows dom:isEl as videojs.isEl
+ * @deprecated Use videojs.dom.isEl() instead
+ */
+
+/**
+ * Determines, via duck typing, whether or not a value is a text node.
+ *
+ * @borrows dom:isTextNode as videojs.isTextNode
+ * @deprecated Use videojs.dom.isTextNode() instead
+ */
+
+/**
+ * Creates an element and applies properties.
+ *
+ * @borrows dom:createEl as videojs.createEl
+ * @deprecated Use videojs.dom.createEl() instead
+ */
+
+/**
+ * Check if an element has a CSS class
+ *
+ * @borrows dom:hasElClass as videojs.hasClass
+ * @deprecated Use videojs.dom.hasClass() instead
+ */
+
+/**
+ * Add a CSS class name to an element
+ *
+ * @borrows dom:addElClass as videojs.addClass
+ * @deprecated Use videojs.dom.addClass() instead
+ */
+
+/**
+ * Remove a CSS class name from an element
+ *
+ * @borrows dom:removeElClass as videojs.removeClass
+ * @deprecated Use videojs.dom.removeClass() instead
+ */
+
+/**
+ * Adds or removes a CSS class name on an element depending on an optional
+ * condition or the presence/absence of the class name.
+ *
+ * @borrows dom:toggleElClass as videojs.toggleClass
+ * @deprecated Use videojs.dom.toggleClass() instead
+ */
+
+/**
+ * Apply attributes to an HTML element.
+ *
+ * @borrows dom:setElAttributes as videojs.setAttribute
+ * @deprecated Use videojs.dom.setAttributes() instead
+ */
+
+/**
+ * Get an element's attribute values, as defined on the HTML tag
+ * Attributes are not the same as properties. They're defined on the tag
+ * or with setAttribute (which shouldn't be used with HTML)
+ * This will return true or false for boolean attributes.
+ *
+ * @borrows dom:getElAttributes as videojs.getAttributes
+ * @deprecated Use videojs.dom.getAttributes() instead
+ */
+
+/**
+ * Empties the contents of an element.
+ *
+ * @borrows dom:emptyEl as videojs.emptyEl
+ * @deprecated Use videojs.dom.emptyEl() instead
+ */
+
+/**
+ * Normalizes and appends content to an element.
+ *
+ * The content for an element can be passed in multiple types and
+ * combinations, whose behavior is as follows:
+ *
+ * - String
+ * Normalized into a text node.
+ *
+ * - Element, TextNode
+ * Passed through.
+ *
+ * - Array
+ * A one-dimensional array of strings, elements, nodes, or functions (which
+ * return single strings, elements, or nodes).
+ *
+ * - Function
+ * If the sole argument, is expected to produce a string, element,
+ * node, or array.
+ *
+ * @borrows dom:appendContents as videojs.appendContet
+ * @deprecated Use videojs.dom.appendContent() instead
+ */
+
+/**
+ * Normalizes and inserts content into an element; this is identical to
+ * `appendContent()`, except it empties the element first.
+ *
+ * The content for an element can be passed in multiple types and
+ * combinations, whose behavior is as follows:
+ *
+ * - String
+ * Normalized into a text node.
+ *
+ * - Element, TextNode
+ * Passed through.
+ *
+ * - Array
+ * A one-dimensional array of strings, elements, nodes, or functions (which
+ * return single strings, elements, or nodes).
+ *
+ * - Function
+ * If the sole argument, is expected to produce a string, element,
+ * node, or array.
+ *
+ * @borrows dom:insertContent as videojs.insertContent
+ * @deprecated Use videojs.dom.insertContent() instead
+ */
+['isEl', 'isTextNode', 'createEl', 'hasClass', 'addClass', 'removeClass', 'toggleClass', 'setAttributes', 'getAttributes', 'emptyEl', 'appendContent', 'insertContent'].forEach(function (k) {
+ videojs[k] = function () {
+ log$1.warn('videojs.' + k + '() is deprecated; use videojs.dom.' + k + '() instead');
+ return Dom[k].apply(null, arguments);
+ };
+});
+
+/**
+ * A safe getComputedStyle with an IE8 fallback.
+ *
+ * This is because in Firefox, if the player is loaded in an iframe with `display:none`,
+ * then `getComputedStyle` returns `null`, so, we do a null-check to make sure
+ * that the player doesn't break in these cases.
+ * See https://bugzilla.mozilla.org/show_bug.cgi?id=548397 for more details.
+ *
+ * @borrows computed-style:computedStyle as videojs.computedStyle
+ */
+videojs.computedStyle = computedStyle;
+
+/**
+ * Export the Dom utilities for use in external plugins
+ * and Tech's
+ */
+videojs.dom = Dom;
+
+/**
+ * Export the Url utilities for use in external plugins
+ * and Tech's
+ */
+videojs.url = Url;
+
+return videojs;
+
+})));
/**
* @license
- * Video.js 6.7.4 <http://videojs.com/>
+ * Video.js 7.8.0 <http://videojs.com/>
* Copyright Brightcove, Inc. <https://www.brightcove.com/>
* Available under Apache License Version 2.0
* <https://github.com/videojs/video.js/blob/master/LICENSE>
*/
(function (global, factory) {
- typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
- typeof define === 'function' && define.amd ? define(factory) :
- (global.videojs = factory());
-}(this, (function () {
+ typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('global/window'), require('global/document')) :
+ typeof define === 'function' && define.amd ? define(['global/window', 'global/document'], factory) :
+ (global = global || self, global.videojs = factory(global.window, global.document));
+}(this, (function (window$3, document) { 'use strict';
-var version = "6.7.4";
+ window$3 = window$3 && Object.prototype.hasOwnProperty.call(window$3, 'default') ? window$3['default'] : window$3;
+ document = document && Object.prototype.hasOwnProperty.call(document, 'default') ? document['default'] : document;
-var commonjsGlobal = typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};
+ var version = "7.8.0";
+ /**
+ * @file create-logger.js
+ * @module create-logger
+ */
+
+ var history = [];
+ /**
+ * Log messages to the console and history based on the type of message
+ *
+ * @private
+ * @param {string} type
+ * The name of the console method to use.
+ *
+ * @param {Array} args
+ * The arguments to be passed to the matching console method.
+ */
+ var LogByTypeFactory = function LogByTypeFactory(name, log) {
+ return function (type, level, args) {
+ var lvl = log.levels[level];
+ var lvlRegExp = new RegExp("^(" + lvl + ")$");
+ if (type !== 'log') {
+ // Add the type to the front of the message when it's not "log".
+ args.unshift(type.toUpperCase() + ':');
+ } // Add console prefix after adding to history.
-function createCommonjsModule(fn, module) {
- return module = { exports: {} }, fn(module, module.exports), module.exports;
-}
+ args.unshift(name + ':'); // Add a clone of the args at this point to history.
-var win;
+ if (history) {
+ history.push([].concat(args)); // only store 1000 history entries
-if (typeof window !== "undefined") {
- win = window;
-} else if (typeof commonjsGlobal !== "undefined") {
- win = commonjsGlobal;
-} else if (typeof self !== "undefined"){
- win = self;
-} else {
- win = {};
-}
+ var splice = history.length - 1000;
+ history.splice(0, splice > 0 ? splice : 0);
+ } // If there's no console then don't try to output messages, but they will
+ // still be stored in history.
-var window_1 = win;
-var empty = {};
+ if (!window$3.console) {
+ return;
+ } // Was setting these once outside of this function, but containing them
+ // in the function makes it easier to test cases where console doesn't exist
+ // when the module is executed.
-var empty$1 = (Object.freeze || Object)({
- 'default': empty
-});
+ var fn = window$3.console[type];
-var minDoc = ( empty$1 && empty ) || empty$1;
+ if (!fn && type === 'debug') {
+ // Certain browsers don't have support for console.debug. For those, we
+ // should default to the closest comparable log.
+ fn = window$3.console.info || window$3.console.log;
+ } // Bail out if there's no console or if this type is not allowed by the
+ // current logging level.
-var topLevel = typeof commonjsGlobal !== 'undefined' ? commonjsGlobal :
- typeof window !== 'undefined' ? window : {};
+ if (!fn || !lvl || !lvlRegExp.test(type)) {
+ return;
+ }
-var doccy;
+ fn[Array.isArray(args) ? 'apply' : 'call'](window$3.console, args);
+ };
+ };
-if (typeof document !== 'undefined') {
- doccy = document;
-} else {
- doccy = topLevel['__GLOBAL_DOCUMENT_CACHE@4'];
+ function createLogger(name) {
+ // This is the private tracking variable for logging level.
+ var level = 'info'; // the curried logByType bound to the specific log and history
- if (!doccy) {
- doccy = topLevel['__GLOBAL_DOCUMENT_CACHE@4'] = minDoc;
- }
-}
+ var logByType;
+ /**
+ * Logs plain debug messages. Similar to `console.log`.
+ *
+ * Due to [limitations](https://github.com/jsdoc3/jsdoc/issues/955#issuecomment-313829149)
+ * of our JSDoc template, we cannot properly document this as both a function
+ * and a namespace, so its function signature is documented here.
+ *
+ * #### Arguments
+ * ##### *args
+ * Mixed[]
+ *
+ * Any combination of values that could be passed to `console.log()`.
+ *
+ * #### Return Value
+ *
+ * `undefined`
+ *
+ * @namespace
+ * @param {Mixed[]} args
+ * One or more messages or objects that should be logged.
+ */
+
+ var log = function log() {
+ for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
+ args[_key] = arguments[_key];
+ }
-var document_1 = doccy;
+ logByType('log', level, args);
+ }; // This is the logByType helper that the logging methods below use
-/**
- * @file browser.js
- * @module browser
- */
-var USER_AGENT = window_1.navigator && window_1.navigator.userAgent || '';
-var webkitVersionMap = /AppleWebKit\/([\d.]+)/i.exec(USER_AGENT);
-var appleWebkitVersion = webkitVersionMap ? parseFloat(webkitVersionMap.pop()) : null;
-/*
- * Device is an iPhone
- *
- * @type {Boolean}
- * @constant
- * @private
- */
-var IS_IPAD = /iPad/i.test(USER_AGENT);
+ logByType = LogByTypeFactory(name, log);
+ /**
+ * Create a new sublogger which chains the old name to the new name.
+ *
+ * For example, doing `videojs.log.createLogger('player')` and then using that logger will log the following:
+ * ```js
+ * mylogger('foo');
+ * // > VIDEOJS: player: foo
+ * ```
+ *
+ * @param {string} name
+ * The name to add call the new logger
+ * @return {Object}
+ */
-// The Facebook app's UIWebView identifies as both an iPhone and iPad, so
-// to identify iPhones, we need to exclude iPads.
-// http://artsy.github.io/blog/2012/10/18/the-perils-of-ios-user-agent-sniffing/
-var IS_IPHONE = /iPhone/i.test(USER_AGENT) && !IS_IPAD;
-var IS_IPOD = /iPod/i.test(USER_AGENT);
-var IS_IOS = IS_IPHONE || IS_IPAD || IS_IPOD;
+ log.createLogger = function (subname) {
+ return createLogger(name + ': ' + subname);
+ };
+ /**
+ * Enumeration of available logging levels, where the keys are the level names
+ * and the values are `|`-separated strings containing logging methods allowed
+ * in that logging level. These strings are used to create a regular expression
+ * matching the function name being called.
+ *
+ * Levels provided by Video.js are:
+ *
+ * - `off`: Matches no calls. Any value that can be cast to `false` will have
+ * this effect. The most restrictive.
+ * - `all`: Matches only Video.js-provided functions (`debug`, `log`,
+ * `log.warn`, and `log.error`).
+ * - `debug`: Matches `log.debug`, `log`, `log.warn`, and `log.error` calls.
+ * - `info` (default): Matches `log`, `log.warn`, and `log.error` calls.
+ * - `warn`: Matches `log.warn` and `log.error` calls.
+ * - `error`: Matches only `log.error` calls.
+ *
+ * @type {Object}
+ */
-var IOS_VERSION = function () {
- var match = USER_AGENT.match(/OS (\d+)_/i);
- if (match && match[1]) {
- return match[1];
- }
- return null;
-}();
+ log.levels = {
+ all: 'debug|log|warn|error',
+ off: '',
+ debug: 'debug|log|warn|error',
+ info: 'log|warn|error',
+ warn: 'warn|error',
+ error: 'error',
+ DEFAULT: level
+ };
+ /**
+ * Get or set the current logging level.
+ *
+ * If a string matching a key from {@link module:log.levels} is provided, acts
+ * as a setter.
+ *
+ * @param {string} [lvl]
+ * Pass a valid level to set a new logging level.
+ *
+ * @return {string}
+ * The current logging level.
+ */
-var IS_ANDROID = /Android/i.test(USER_AGENT);
-var ANDROID_VERSION = function () {
- // This matches Android Major.Minor.Patch versions
- // ANDROID_VERSION is Major.Minor as a Number, if Minor isn't available, then only Major is returned
- var match = USER_AGENT.match(/Android (\d+)(?:\.(\d+))?(?:\.(\d+))*/i);
+ log.level = function (lvl) {
+ if (typeof lvl === 'string') {
+ if (!log.levels.hasOwnProperty(lvl)) {
+ throw new Error("\"" + lvl + "\" in not a valid log level");
+ }
- if (!match) {
- return null;
- }
+ level = lvl;
+ }
- var major = match[1] && parseFloat(match[1]);
- var minor = match[2] && parseFloat(match[2]);
+ return level;
+ };
+ /**
+ * Returns an array containing everything that has been logged to the history.
+ *
+ * This array is a shallow clone of the internal history record. However, its
+ * contents are _not_ cloned; so, mutating objects inside this array will
+ * mutate them in history.
+ *
+ * @return {Array}
+ */
- if (major && minor) {
- return parseFloat(match[1] + '.' + match[2]);
- } else if (major) {
- return major;
- }
- return null;
-}();
-// Old Android is defined as Version older than 2.3, and requiring a webkit version of the android browser
-var IS_OLD_ANDROID = IS_ANDROID && /webkit/i.test(USER_AGENT) && ANDROID_VERSION < 2.3;
-var IS_NATIVE_ANDROID = IS_ANDROID && ANDROID_VERSION < 5 && appleWebkitVersion < 537;
+ log.history = function () {
+ return history ? [].concat(history) : [];
+ };
+ /**
+ * Allows you to filter the history by the given logger name
+ *
+ * @param {string} fname
+ * The name to filter by
+ *
+ * @return {Array}
+ * The filtered list to return
+ */
-var IS_FIREFOX = /Firefox/i.test(USER_AGENT);
-var IS_EDGE = /Edge/i.test(USER_AGENT);
-var IS_CHROME = !IS_EDGE && /Chrome/i.test(USER_AGENT);
-var CHROME_VERSION = function () {
- var match = USER_AGENT.match(/Chrome\/(\d+)/);
- if (match && match[1]) {
- return parseFloat(match[1]);
- }
- return null;
-}();
-var IS_IE8 = /MSIE\s8\.0/.test(USER_AGENT);
-var IE_VERSION = function () {
- var result = /MSIE\s(\d+)\.\d/.exec(USER_AGENT);
- var version = result && parseFloat(result[1]);
-
- if (!version && /Trident\/7.0/i.test(USER_AGENT) && /rv:11.0/.test(USER_AGENT)) {
- // IE 11 has a different user agent string than other IE versions
- version = 11.0;
- }
+ log.history.filter = function (fname) {
+ return (history || []).filter(function (historyItem) {
+ // if the first item in each historyItem includes `fname`, then it's a match
+ return new RegExp(".*" + fname + ".*").test(historyItem[0]);
+ });
+ };
+ /**
+ * Clears the internal history tracking, but does not prevent further history
+ * tracking.
+ */
- return version;
-}();
-var IS_SAFARI = /Safari/i.test(USER_AGENT) && !IS_CHROME && !IS_ANDROID && !IS_EDGE;
-var IS_ANY_SAFARI = IS_SAFARI || IS_IOS;
+ log.history.clear = function () {
+ if (history) {
+ history.length = 0;
+ }
+ };
+ /**
+ * Disable history tracking if it is currently enabled.
+ */
+
-var TOUCH_ENABLED = isReal() && ('ontouchstart' in window_1 || window_1.DocumentTouch && window_1.document instanceof window_1.DocumentTouch);
+ log.history.disable = function () {
+ if (history !== null) {
+ history.length = 0;
+ history = null;
+ }
+ };
+ /**
+ * Enable history tracking if it is currently disabled.
+ */
-var BACKGROUND_SIZE_SUPPORTED = isReal() && 'backgroundSize' in window_1.document.createElement('video').style;
-var browser = (Object.freeze || Object)({
- IS_IPAD: IS_IPAD,
- IS_IPHONE: IS_IPHONE,
- IS_IPOD: IS_IPOD,
- IS_IOS: IS_IOS,
- IOS_VERSION: IOS_VERSION,
- IS_ANDROID: IS_ANDROID,
- ANDROID_VERSION: ANDROID_VERSION,
- IS_OLD_ANDROID: IS_OLD_ANDROID,
- IS_NATIVE_ANDROID: IS_NATIVE_ANDROID,
- IS_FIREFOX: IS_FIREFOX,
- IS_EDGE: IS_EDGE,
- IS_CHROME: IS_CHROME,
- CHROME_VERSION: CHROME_VERSION,
- IS_IE8: IS_IE8,
- IE_VERSION: IE_VERSION,
- IS_SAFARI: IS_SAFARI,
- IS_ANY_SAFARI: IS_ANY_SAFARI,
- TOUCH_ENABLED: TOUCH_ENABLED,
- BACKGROUND_SIZE_SUPPORTED: BACKGROUND_SIZE_SUPPORTED
-});
+ log.history.enable = function () {
+ if (history === null) {
+ history = [];
+ }
+ };
+ /**
+ * Logs error messages. Similar to `console.error`.
+ *
+ * @param {Mixed[]} args
+ * One or more messages or objects that should be logged as an error
+ */
-var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
- return typeof obj;
-} : function (obj) {
- return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
-};
+ log.error = function () {
+ for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
+ args[_key2] = arguments[_key2];
+ }
+ return logByType('error', level, args);
+ };
+ /**
+ * Logs warning messages. Similar to `console.warn`.
+ *
+ * @param {Mixed[]} args
+ * One or more messages or objects that should be logged as a warning.
+ */
+ log.warn = function () {
+ for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
+ args[_key3] = arguments[_key3];
+ }
+ return logByType('warn', level, args);
+ };
+ /**
+ * Logs debug messages. Similar to `console.debug`, but may also act as a comparable
+ * log if `console.debug` is not available
+ *
+ * @param {Mixed[]} args
+ * One or more messages or objects that should be logged as debug.
+ */
+ log.debug = function () {
+ for (var _len4 = arguments.length, args = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
+ args[_key4] = arguments[_key4];
+ }
+ return logByType('debug', level, args);
+ };
+ return log;
+ }
+ /**
+ * @file log.js
+ * @module log
+ */
+ var log = createLogger('VIDEOJS');
+ var createLogger$1 = log.createLogger;
-var classCallCheck = function (instance, Constructor) {
- if (!(instance instanceof Constructor)) {
- throw new TypeError("Cannot call a class as a function");
+ function createCommonjsModule(fn, module) {
+ return module = { exports: {} }, fn(module, module.exports), module.exports;
}
-};
+ var _extends_1 = createCommonjsModule(function (module) {
+ function _extends() {
+ module.exports = _extends = Object.assign || function (target) {
+ for (var i = 1; i < arguments.length; i++) {
+ var source = arguments[i];
+ for (var key in source) {
+ if (Object.prototype.hasOwnProperty.call(source, key)) {
+ target[key] = source[key];
+ }
+ }
+ }
+ return target;
+ };
+ return _extends.apply(this, arguments);
+ }
+ module.exports = _extends;
+ });
+ /**
+ * @file obj.js
+ * @module obj
+ */
+ /**
+ * @callback obj:EachCallback
+ *
+ * @param {Mixed} value
+ * The current key for the object that is being iterated over.
+ *
+ * @param {string} key
+ * The current key-value for object that is being iterated over
+ */
+ /**
+ * @callback obj:ReduceCallback
+ *
+ * @param {Mixed} accum
+ * The value that is accumulating over the reduce loop.
+ *
+ * @param {Mixed} value
+ * The current key for the object that is being iterated over.
+ *
+ * @param {string} key
+ * The current key-value for object that is being iterated over
+ *
+ * @return {Mixed}
+ * The new accumulated value.
+ */
+ var toString = Object.prototype.toString;
+ /**
+ * Get the keys of an Object
+ *
+ * @param {Object}
+ * The Object to get the keys from
+ *
+ * @return {string[]}
+ * An array of the keys from the object. Returns an empty array if the
+ * object passed in was invalid or had no keys.
+ *
+ * @private
+ */
+ var keys = function keys(object) {
+ return isObject(object) ? Object.keys(object) : [];
+ };
+ /**
+ * Array-like iteration for objects.
+ *
+ * @param {Object} object
+ * The object to iterate over
+ *
+ * @param {obj:EachCallback} fn
+ * The callback function which is called for each key in the object.
+ */
-var inherits = function (subClass, superClass) {
- if (typeof superClass !== "function" && superClass !== null) {
- throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
+ function each(object, fn) {
+ keys(object).forEach(function (key) {
+ return fn(object[key], key);
+ });
}
+ /**
+ * Array-like reduce for objects.
+ *
+ * @param {Object} object
+ * The Object that you want to reduce.
+ *
+ * @param {Function} fn
+ * A callback function which is called for each key in the object. It
+ * receives the accumulated value and the per-iteration value and key
+ * as arguments.
+ *
+ * @param {Mixed} [initial = 0]
+ * Starting value
+ *
+ * @return {Mixed}
+ * The final accumulated value.
+ */
- subClass.prototype = Object.create(superClass && superClass.prototype, {
- constructor: {
- value: subClass,
- enumerable: false,
- writable: true,
- configurable: true
+ function reduce(object, fn, initial) {
+ if (initial === void 0) {
+ initial = 0;
}
- });
- if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
-};
+ return keys(object).reduce(function (accum, key) {
+ return fn(accum, object[key], key);
+ }, initial);
+ }
+ /**
+ * Object.assign-style object shallow merge/extend.
+ *
+ * @param {Object} target
+ * @param {Object} ...sources
+ * @return {Object}
+ */
+ function assign(target) {
+ for (var _len = arguments.length, sources = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
+ sources[_key - 1] = arguments[_key];
+ }
+ if (Object.assign) {
+ return _extends_1.apply(void 0, [target].concat(sources));
+ }
+ sources.forEach(function (source) {
+ if (!source) {
+ return;
+ }
+ each(source, function (value, key) {
+ target[key] = value;
+ });
+ });
+ return target;
+ }
+ /**
+ * Returns whether a value is an object of any kind - including DOM nodes,
+ * arrays, regular expressions, etc. Not functions, though.
+ *
+ * This avoids the gotcha where using `typeof` on a `null` value
+ * results in `'object'`.
+ *
+ * @param {Object} value
+ * @return {boolean}
+ */
+ function isObject(value) {
+ return !!value && typeof value === 'object';
+ }
+ /**
+ * Returns whether an object appears to be a "plain" object - that is, a
+ * direct instance of `Object`.
+ *
+ * @param {Object} value
+ * @return {boolean}
+ */
+ function isPlain(value) {
+ return isObject(value) && toString.call(value) === '[object Object]' && value.constructor === Object;
+ }
+ /**
+ * @file computed-style.js
+ * @module computed-style
+ */
+ /**
+ * A safe getComputedStyle.
+ *
+ * This is needed because in Firefox, if the player is loaded in an iframe with
+ * `display:none`, then `getComputedStyle` returns `null`, so, we do a
+ * null-check to make sure that the player doesn't break in these cases.
+ *
+ * @function
+ * @param {Element} el
+ * The element you want the computed style of
+ *
+ * @param {string} prop
+ * The property name you want
+ *
+ * @see https://bugzilla.mozilla.org/show_bug.cgi?id=548397
+ */
+ function computedStyle(el, prop) {
+ if (!el || !prop) {
+ return '';
+ }
+ if (typeof window$3.getComputedStyle === 'function') {
+ var computedStyleValue = window$3.getComputedStyle(el);
+ return computedStyleValue ? computedStyleValue.getPropertyValue(prop) || computedStyleValue[prop] : '';
+ }
-var possibleConstructorReturn = function (self, call) {
- if (!self) {
- throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
+ return '';
}
- return call && (typeof call === "object" || typeof call === "function") ? call : self;
-};
+ /**
+ * @file dom.js
+ * @module dom
+ */
+ /**
+ * Detect if a value is a string with any non-whitespace characters.
+ *
+ * @private
+ * @param {string} str
+ * The string to check
+ *
+ * @return {boolean}
+ * Will be `true` if the string is non-blank, `false` otherwise.
+ *
+ */
+ function isNonBlankString(str) {
+ // we use str.trim as it will trim any whitespace characters
+ // from the front or back of non-whitespace characters. aka
+ // Any string that contains non-whitespace characters will
+ // still contain them after `trim` but whitespace only strings
+ // will have a length of 0, failing this check.
+ return typeof str === 'string' && Boolean(str.trim());
+ }
+ /**
+ * Throws an error if the passed string has whitespace. This is used by
+ * class methods to be relatively consistent with the classList API.
+ *
+ * @private
+ * @param {string} str
+ * The string to check for whitespace.
+ *
+ * @throws {Error}
+ * Throws an error if there is whitespace in the string.
+ */
+ function throwIfWhitespace(str) {
+ // str.indexOf instead of regex because str.indexOf is faster performance wise.
+ if (str.indexOf(' ') >= 0) {
+ throw new Error('class has illegal whitespace characters');
+ }
+ }
+ /**
+ * Produce a regular expression for matching a className within an elements className.
+ *
+ * @private
+ * @param {string} className
+ * The className to generate the RegExp for.
+ *
+ * @return {RegExp}
+ * The RegExp that will check for a specific `className` in an elements
+ * className.
+ */
+ function classRegExp(className) {
+ return new RegExp('(^|\\s)' + className + '($|\\s)');
+ }
+ /**
+ * Whether the current DOM interface appears to be real (i.e. not simulated).
+ *
+ * @return {boolean}
+ * Will be `true` if the DOM appears to be real, `false` otherwise.
+ */
+ function isReal() {
+ // Both document and window will never be undefined thanks to `global`.
+ return document === window$3.document;
+ }
+ /**
+ * Determines, via duck typing, whether or not a value is a DOM element.
+ *
+ * @param {Mixed} value
+ * The value to check.
+ *
+ * @return {boolean}
+ * Will be `true` if the value is a DOM element, `false` otherwise.
+ */
+ function isEl(value) {
+ return isObject(value) && value.nodeType === 1;
+ }
+ /**
+ * Determines if the current DOM is embedded in an iframe.
+ *
+ * @return {boolean}
+ * Will be `true` if the DOM is embedded in an iframe, `false`
+ * otherwise.
+ */
+ function isInFrame() {
+ // We need a try/catch here because Safari will throw errors when attempting
+ // to get either `parent` or `self`
+ try {
+ return window$3.parent !== window$3.self;
+ } catch (x) {
+ return true;
+ }
+ }
+ /**
+ * Creates functions to query the DOM using a given method.
+ *
+ * @private
+ * @param {string} method
+ * The method to create the query with.
+ *
+ * @return {Function}
+ * The query method
+ */
+ function createQuerier(method) {
+ return function (selector, context) {
+ if (!isNonBlankString(selector)) {
+ return document[method](null);
+ }
-var taggedTemplateLiteralLoose = function (strings, raw) {
- strings.raw = raw;
- return strings;
-};
+ if (isNonBlankString(context)) {
+ context = document.querySelector(context);
+ }
-/**
- * @file obj.js
- * @module obj
- */
+ var ctx = isEl(context) ? context : document;
+ return ctx[method] && ctx[method](selector);
+ };
+ }
+ /**
+ * Creates an element and applies properties, attributes, and inserts content.
+ *
+ * @param {string} [tagName='div']
+ * Name of tag to be created.
+ *
+ * @param {Object} [properties={}]
+ * Element properties to be applied.
+ *
+ * @param {Object} [attributes={}]
+ * Element attributes to be applied.
+ *
+ * @param {module:dom~ContentDescriptor} content
+ * A content descriptor object.
+ *
+ * @return {Element}
+ * The element that was created.
+ */
-/**
- * @callback obj:EachCallback
- *
- * @param {Mixed} value
- * The current key for the object that is being iterated over.
- *
- * @param {string} key
- * The current key-value for object that is being iterated over
- */
-/**
- * @callback obj:ReduceCallback
- *
- * @param {Mixed} accum
- * The value that is accumulating over the reduce loop.
- *
- * @param {Mixed} value
- * The current key for the object that is being iterated over.
- *
- * @param {string} key
- * The current key-value for object that is being iterated over
- *
- * @return {Mixed}
- * The new accumulated value.
- */
-var toString = Object.prototype.toString;
+ function createEl(tagName, properties, attributes, content) {
+ if (tagName === void 0) {
+ tagName = 'div';
+ }
-/**
- * Get the keys of an Object
- *
- * @param {Object}
- * The Object to get the keys from
- *
- * @return {string[]}
- * An array of the keys from the object. Returns an empty array if the
- * object passed in was invalid or had no keys.
- *
- * @private
- */
-var keys = function keys(object) {
- return isObject(object) ? Object.keys(object) : [];
-};
+ if (properties === void 0) {
+ properties = {};
+ }
-/**
- * Array-like iteration for objects.
- *
- * @param {Object} object
- * The object to iterate over
- *
- * @param {obj:EachCallback} fn
- * The callback function which is called for each key in the object.
- */
-function each(object, fn) {
- keys(object).forEach(function (key) {
- return fn(object[key], key);
- });
-}
+ if (attributes === void 0) {
+ attributes = {};
+ }
-/**
- * Array-like reduce for objects.
- *
- * @param {Object} object
- * The Object that you want to reduce.
- *
- * @param {Function} fn
- * A callback function which is called for each key in the object. It
- * receives the accumulated value and the per-iteration value and key
- * as arguments.
- *
- * @param {Mixed} [initial = 0]
- * Starting value
- *
- * @return {Mixed}
- * The final accumulated value.
- */
-function reduce(object, fn) {
- var initial = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
+ var el = document.createElement(tagName);
+ Object.getOwnPropertyNames(properties).forEach(function (propName) {
+ var val = properties[propName]; // See #2176
+ // We originally were accepting both properties and attributes in the
+ // same object, but that doesn't work so well.
- return keys(object).reduce(function (accum, key) {
- return fn(accum, object[key], key);
- }, initial);
-}
+ if (propName.indexOf('aria-') !== -1 || propName === 'role' || propName === 'type') {
+ log.warn('Setting attributes in the second argument of createEl()\n' + 'has been deprecated. Use the third argument instead.\n' + ("createEl(type, properties, attributes). Attempting to set " + propName + " to " + val + "."));
+ el.setAttribute(propName, val); // Handle textContent since it's not supported everywhere and we have a
+ // method for it.
+ } else if (propName === 'textContent') {
+ textContent(el, val);
+ } else if (el[propName] !== val) {
+ el[propName] = val;
+ }
+ });
+ Object.getOwnPropertyNames(attributes).forEach(function (attrName) {
+ el.setAttribute(attrName, attributes[attrName]);
+ });
-/**
- * Object.assign-style object shallow merge/extend.
- *
- * @param {Object} target
- * @param {Object} ...sources
- * @return {Object}
- */
-function assign(target) {
- for (var _len = arguments.length, sources = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
- sources[_key - 1] = arguments[_key];
- }
+ if (content) {
+ appendContent(el, content);
+ }
- if (Object.assign) {
- return Object.assign.apply(Object, [target].concat(sources));
+ return el;
}
+ /**
+ * Injects text into an element, replacing any existing contents entirely.
+ *
+ * @param {Element} el
+ * The element to add text content into
+ *
+ * @param {string} text
+ * The text content to add.
+ *
+ * @return {Element}
+ * The element with added text content.
+ */
- sources.forEach(function (source) {
- if (!source) {
- return;
+ function textContent(el, text) {
+ if (typeof el.textContent === 'undefined') {
+ el.innerText = text;
+ } else {
+ el.textContent = text;
}
- each(source, function (value, key) {
- target[key] = value;
- });
- });
+ return el;
+ }
+ /**
+ * Insert an element as the first child node of another
+ *
+ * @param {Element} child
+ * Element to insert
+ *
+ * @param {Element} parent
+ * Element to insert child into
+ */
- return target;
-}
+ function prependTo(child, parent) {
+ if (parent.firstChild) {
+ parent.insertBefore(child, parent.firstChild);
+ } else {
+ parent.appendChild(child);
+ }
+ }
+ /**
+ * Check if an element has a class name.
+ *
+ * @param {Element} element
+ * Element to check
+ *
+ * @param {string} classToCheck
+ * Class name to check for
+ *
+ * @return {boolean}
+ * Will be `true` if the element has a class, `false` otherwise.
+ *
+ * @throws {Error}
+ * Throws an error if `classToCheck` has white space.
+ */
-/**
- * Returns whether a value is an object of any kind - including DOM nodes,
- * arrays, regular expressions, etc. Not functions, though.
- *
- * This avoids the gotcha where using `typeof` on a `null` value
- * results in `'object'`.
- *
- * @param {Object} value
- * @return {Boolean}
- */
-function isObject(value) {
- return !!value && (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object';
-}
+ function hasClass(element, classToCheck) {
+ throwIfWhitespace(classToCheck);
-/**
- * Returns whether an object appears to be a "plain" object - that is, a
- * direct instance of `Object`.
- *
- * @param {Object} value
- * @return {Boolean}
- */
-function isPlain(value) {
- return isObject(value) && toString.call(value) === '[object Object]' && value.constructor === Object;
-}
+ if (element.classList) {
+ return element.classList.contains(classToCheck);
+ }
-/**
- * @file log.js
- * @module log
- */
-var log = void 0;
+ return classRegExp(classToCheck).test(element.className);
+ }
+ /**
+ * Add a class name to an element.
+ *
+ * @param {Element} element
+ * Element to add class name to.
+ *
+ * @param {string} classToAdd
+ * Class name to add.
+ *
+ * @return {Element}
+ * The DOM element with the added class name.
+ */
+
+ function addClass(element, classToAdd) {
+ if (element.classList) {
+ element.classList.add(classToAdd); // Don't need to `throwIfWhitespace` here because `hasElClass` will do it
+ // in the case of classList not being supported.
+ } else if (!hasClass(element, classToAdd)) {
+ element.className = (element.className + ' ' + classToAdd).trim();
+ }
-// This is the private tracking variable for logging level.
-var level = 'info';
+ return element;
+ }
+ /**
+ * Remove a class name from an element.
+ *
+ * @param {Element} element
+ * Element to remove a class name from.
+ *
+ * @param {string} classToRemove
+ * Class name to remove
+ *
+ * @return {Element}
+ * The DOM element with class name removed.
+ */
-// This is the private tracking variable for the logging history.
-var history = [];
+ function removeClass(element, classToRemove) {
+ if (element.classList) {
+ element.classList.remove(classToRemove);
+ } else {
+ throwIfWhitespace(classToRemove);
+ element.className = element.className.split(/\s+/).filter(function (c) {
+ return c !== classToRemove;
+ }).join(' ');
+ }
-/**
- * Log messages to the console and history based on the type of message
- *
- * @private
- * @param {string} type
- * The name of the console method to use.
- *
- * @param {Array} args
- * The arguments to be passed to the matching console method.
- *
- * @param {boolean} [stringify]
- * By default, only old IEs should get console argument stringification,
- * but this is exposed as a parameter to facilitate testing.
- */
-var logByType = function logByType(type, args) {
- var stringify = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : !!IE_VERSION && IE_VERSION < 11;
+ return element;
+ }
+ /**
+ * The callback definition for toggleClass.
+ *
+ * @callback module:dom~PredicateCallback
+ * @param {Element} element
+ * The DOM element of the Component.
+ *
+ * @param {string} classToToggle
+ * The `className` that wants to be toggled
+ *
+ * @return {boolean|undefined}
+ * If `true` is returned, the `classToToggle` will be added to the
+ * `element`. If `false`, the `classToToggle` will be removed from
+ * the `element`. If `undefined`, the callback will be ignored.
+ */
- var lvl = log.levels[level];
- var lvlRegExp = new RegExp('^(' + lvl + ')$');
+ /**
+ * Adds or removes a class name to/from an element depending on an optional
+ * condition or the presence/absence of the class name.
+ *
+ * @param {Element} element
+ * The element to toggle a class name on.
+ *
+ * @param {string} classToToggle
+ * The class that should be toggled.
+ *
+ * @param {boolean|module:dom~PredicateCallback} [predicate]
+ * See the return value for {@link module:dom~PredicateCallback}
+ *
+ * @return {Element}
+ * The element with a class that has been toggled.
+ */
- if (type !== 'log') {
+ function toggleClass(element, classToToggle, predicate) {
+ // This CANNOT use `classList` internally because IE11 does not support the
+ // second parameter to the `classList.toggle()` method! Which is fine because
+ // `classList` will be used by the add/remove functions.
+ var has = hasClass(element, classToToggle);
- // Add the type to the front of the message when it's not "log".
- args.unshift(type.toUpperCase() + ':');
- }
+ if (typeof predicate === 'function') {
+ predicate = predicate(element, classToToggle);
+ }
- // Add a clone of the args at this point to history.
- if (history) {
- history.push([].concat(args));
- }
+ if (typeof predicate !== 'boolean') {
+ predicate = !has;
+ } // If the necessary class operation matches the current state of the
+ // element, no action is required.
- // Add console prefix after adding to history.
- args.unshift('VIDEOJS:');
- // If there's no console then don't try to output messages, but they will
- // still be stored in history.
- if (!window_1.console) {
- return;
- }
+ if (predicate === has) {
+ return;
+ }
- // Was setting these once outside of this function, but containing them
- // in the function makes it easier to test cases where console doesn't exist
- // when the module is executed.
- var fn = window_1.console[type];
+ if (predicate) {
+ addClass(element, classToToggle);
+ } else {
+ removeClass(element, classToToggle);
+ }
- if (!fn && type === 'debug') {
- // Certain browsers don't have support for console.debug. For those, we
- // should default to the closest comparable log.
- fn = window_1.console.info || window_1.console.log;
+ return element;
}
+ /**
+ * Apply attributes to an HTML element.
+ *
+ * @param {Element} el
+ * Element to add attributes to.
+ *
+ * @param {Object} [attributes]
+ * Attributes to be applied.
+ */
- // Bail out if there's no console or if this type is not allowed by the
- // current logging level.
- if (!fn || !lvl || !lvlRegExp.test(type)) {
- return;
- }
+ function setAttributes(el, attributes) {
+ Object.getOwnPropertyNames(attributes).forEach(function (attrName) {
+ var attrValue = attributes[attrName];
- // IEs previous to 11 log objects uselessly as "[object Object]"; so, JSONify
- // objects and arrays for those less-capable browsers.
- if (stringify) {
- args = args.map(function (a) {
- if (isObject(a) || Array.isArray(a)) {
- try {
- return JSON.stringify(a);
- } catch (x) {
- return String(a);
- }
+ if (attrValue === null || typeof attrValue === 'undefined' || attrValue === false) {
+ el.removeAttribute(attrName);
+ } else {
+ el.setAttribute(attrName, attrValue === true ? '' : attrValue);
}
-
- // Cast to string before joining, so we get null and undefined explicitly
- // included in output (as we would in a modern console).
- return String(a);
- }).join(' ');
+ });
}
+ /**
+ * Get an element's attribute values, as defined on the HTML tag.
+ *
+ * Attributes are not the same as properties. They're defined on the tag
+ * or with setAttribute.
+ *
+ * @param {Element} tag
+ * Element from which to get tag attributes.
+ *
+ * @return {Object}
+ * All attributes of the element. Boolean attributes will be `true` or
+ * `false`, others will be strings.
+ */
- // Old IE versions do not allow .apply() for console methods (they are
- // reported as objects rather than functions).
- if (!fn.apply) {
- fn(args);
- } else {
- fn[Array.isArray(args) ? 'apply' : 'call'](window_1.console, args);
- }
-};
+ function getAttributes(tag) {
+ var obj = {}; // known boolean attributes
+ // we can check for matching boolean properties, but not all browsers
+ // and not all tags know about these attributes, so, we still want to check them manually
-/**
- * Logs plain debug messages. Similar to `console.log`.
- *
- * @class
- * @param {Mixed[]} args
- * One or more messages or objects that should be logged.
- */
-log = function log() {
- for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
- args[_key] = arguments[_key];
- }
+ var knownBooleans = ',' + 'autoplay,controls,playsinline,loop,muted,default,defaultMuted' + ',';
- logByType('log', args);
-};
+ if (tag && tag.attributes && tag.attributes.length > 0) {
+ var attrs = tag.attributes;
-/**
- * Enumeration of available logging levels, where the keys are the level names
- * and the values are `|`-separated strings containing logging methods allowed
- * in that logging level. These strings are used to create a regular expression
- * matching the function name being called.
- *
- * Levels provided by video.js are:
- *
- * - `off`: Matches no calls. Any value that can be cast to `false` will have
- * this effect. The most restrictive.
- * - `all`: Matches only Video.js-provided functions (`debug`, `log`,
- * `log.warn`, and `log.error`).
- * - `debug`: Matches `log.debug`, `log`, `log.warn`, and `log.error` calls.
- * - `info` (default): Matches `log`, `log.warn`, and `log.error` calls.
- * - `warn`: Matches `log.warn` and `log.error` calls.
- * - `error`: Matches only `log.error` calls.
- *
- * @type {Object}
- */
-log.levels = {
- all: 'debug|log|warn|error',
- off: '',
- debug: 'debug|log|warn|error',
- info: 'log|warn|error',
- warn: 'warn|error',
- error: 'error',
- DEFAULT: level
-};
+ for (var i = attrs.length - 1; i >= 0; i--) {
+ var attrName = attrs[i].name;
+ var attrVal = attrs[i].value; // check for known booleans
+ // the matching element property will return a value for typeof
-/**
- * Get or set the current logging level. If a string matching a key from
- * {@link log.levels} is provided, acts as a setter. Regardless of argument,
- * returns the current logging level.
- *
- * @param {string} [lvl]
- * Pass to set a new logging level.
- *
- * @return {string}
- * The current logging level.
- */
-log.level = function (lvl) {
- if (typeof lvl === 'string') {
- if (!log.levels.hasOwnProperty(lvl)) {
- throw new Error('"' + lvl + '" in not a valid log level');
- }
- level = lvl;
- }
- return level;
-};
+ if (typeof tag[attrName] === 'boolean' || knownBooleans.indexOf(',' + attrName + ',') !== -1) {
+ // the value of an included boolean attribute is typically an empty
+ // string ('') which would equal false if we just check for a false value.
+ // we also don't want support bad code like autoplay='false'
+ attrVal = attrVal !== null ? true : false;
+ }
-/**
- * Returns an array containing everything that has been logged to the history.
- *
- * This array is a shallow clone of the internal history record. However, its
- * contents are _not_ cloned; so, mutating objects inside this array will
- * mutate them in history.
- *
- * @return {Array}
- */
-log.history = function () {
- return history ? [].concat(history) : [];
-};
+ obj[attrName] = attrVal;
+ }
+ }
-/**
- * Clears the internal history tracking, but does not prevent further history
- * tracking.
- */
-log.history.clear = function () {
- if (history) {
- history.length = 0;
+ return obj;
}
-};
+ /**
+ * Get the value of an element's attribute.
+ *
+ * @param {Element} el
+ * A DOM element.
+ *
+ * @param {string} attribute
+ * Attribute to get the value of.
+ *
+ * @return {string}
+ * The value of the attribute.
+ */
-/**
- * Disable history tracking if it is currently enabled.
- */
-log.history.disable = function () {
- if (history !== null) {
- history.length = 0;
- history = null;
+ function getAttribute(el, attribute) {
+ return el.getAttribute(attribute);
}
-};
+ /**
+ * Set the value of an element's attribute.
+ *
+ * @param {Element} el
+ * A DOM element.
+ *
+ * @param {string} attribute
+ * Attribute to set.
+ *
+ * @param {string} value
+ * Value to set the attribute to.
+ */
-/**
- * Enable history tracking if it is currently disabled.
- */
-log.history.enable = function () {
- if (history === null) {
- history = [];
+ function setAttribute(el, attribute, value) {
+ el.setAttribute(attribute, value);
}
-};
+ /**
+ * Remove an element's attribute.
+ *
+ * @param {Element} el
+ * A DOM element.
+ *
+ * @param {string} attribute
+ * Attribute to remove.
+ */
-/**
- * Logs error messages. Similar to `console.error`.
- *
- * @param {Mixed[]} args
- * One or more messages or objects that should be logged as an error
- */
-log.error = function () {
- for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
- args[_key2] = arguments[_key2];
+ function removeAttribute(el, attribute) {
+ el.removeAttribute(attribute);
}
+ /**
+ * Attempt to block the ability to select text.
+ */
- return logByType('error', args);
-};
+ function blockTextSelection() {
+ document.body.focus();
-/**
- * Logs warning messages. Similar to `console.warn`.
- *
- * @param {Mixed[]} args
- * One or more messages or objects that should be logged as a warning.
- */
-log.warn = function () {
- for (var _len3 = arguments.length, args = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
- args[_key3] = arguments[_key3];
+ document.onselectstart = function () {
+ return false;
+ };
}
+ /**
+ * Turn off text selection blocking.
+ */
- return logByType('warn', args);
-};
-
-/**
- * Logs debug messages. Similar to `console.debug`, but may also act as a comparable
- * log if `console.debug` is not available
- *
- * @param {Mixed[]} args
- * One or more messages or objects that should be logged as debug.
- */
-log.debug = function () {
- for (var _len4 = arguments.length, args = Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
- args[_key4] = arguments[_key4];
+ function unblockTextSelection() {
+ document.onselectstart = function () {
+ return true;
+ };
}
+ /**
+ * Identical to the native `getBoundingClientRect` function, but ensures that
+ * the method is supported at all (it is in all browsers we claim to support)
+ * and that the element is in the DOM before continuing.
+ *
+ * This wrapper function also shims properties which are not provided by some
+ * older browsers (namely, IE8).
+ *
+ * Additionally, some browsers do not support adding properties to a
+ * `ClientRect`/`DOMRect` object; so, we shallow-copy it with the standard
+ * properties (except `x` and `y` which are not widely supported). This helps
+ * avoid implementations where keys are non-enumerable.
+ *
+ * @param {Element} el
+ * Element whose `ClientRect` we want to calculate.
+ *
+ * @return {Object|undefined}
+ * Always returns a plain object - or `undefined` if it cannot.
+ */
- return logByType('debug', args);
-};
+ function getBoundingClientRect(el) {
+ if (el && el.getBoundingClientRect && el.parentNode) {
+ var rect = el.getBoundingClientRect();
+ var result = {};
+ ['bottom', 'height', 'left', 'right', 'top', 'width'].forEach(function (k) {
+ if (rect[k] !== undefined) {
+ result[k] = rect[k];
+ }
+ });
-var log$1 = log;
+ if (!result.height) {
+ result.height = parseFloat(computedStyle(el, 'height'));
+ }
-function clean (s) {
- return s.replace(/\n\r?\s*/g, '')
-}
+ if (!result.width) {
+ result.width = parseFloat(computedStyle(el, 'width'));
+ }
+ return result;
+ }
+ }
+ /**
+ * Represents the position of a DOM element on the page.
+ *
+ * @typedef {Object} module:dom~Position
+ *
+ * @property {number} left
+ * Pixels to the left.
+ *
+ * @property {number} top
+ * Pixels from the top.
+ */
-var tsml = function tsml (sa) {
- var s = ''
- , i = 0;
+ /**
+ * Get the position of an element in the DOM.
+ *
+ * Uses `getBoundingClientRect` technique from John Resig.
+ *
+ * @see http://ejohn.org/blog/getboundingclientrect-is-awesome/
+ *
+ * @param {Element} el
+ * Element from which to get offset.
+ *
+ * @return {module:dom~Position}
+ * The position of the element that was passed in.
+ */
- for (; i < arguments.length; i++)
- s += clean(sa[i]) + (arguments[i + 1] || '');
+ function findPosition(el) {
+ var box;
- return s
-};
+ if (el.getBoundingClientRect && el.parentNode) {
+ box = el.getBoundingClientRect();
+ }
-/**
- * @file computed-style.js
- * @module computed-style
- */
-/**
- * A safe getComputedStyle with an IE8 fallback.
- *
- * This is needed because in Firefox, if the player is loaded in an iframe with
- * `display:none`, then `getComputedStyle` returns `null`, so, we do a null-check to
- * make sure that the player doesn't break in these cases.
- *
- * @param {Element} el
- * The element you want the computed style of
- *
- * @param {string} prop
- * The property name you want
- *
- * @see https://bugzilla.mozilla.org/show_bug.cgi?id=548397
- *
- * @static
- * @const
- */
-function computedStyle(el, prop) {
- if (!el || !prop) {
- return '';
- }
+ if (!box) {
+ return {
+ left: 0,
+ top: 0
+ };
+ }
- if (typeof window_1.getComputedStyle === 'function') {
- var cs = window_1.getComputedStyle(el);
+ var docEl = document.documentElement;
+ var body = document.body;
+ var clientLeft = docEl.clientLeft || body.clientLeft || 0;
+ var scrollLeft = window$3.pageXOffset || body.scrollLeft;
+ var left = box.left + scrollLeft - clientLeft;
+ var clientTop = docEl.clientTop || body.clientTop || 0;
+ var scrollTop = window$3.pageYOffset || body.scrollTop;
+ var top = box.top + scrollTop - clientTop; // Android sometimes returns slightly off decimal values, so need to round
- return cs ? cs[prop] : '';
+ return {
+ left: Math.round(left),
+ top: Math.round(top)
+ };
}
+ /**
+ * Represents x and y coordinates for a DOM element or mouse pointer.
+ *
+ * @typedef {Object} module:dom~Coordinates
+ *
+ * @property {number} x
+ * x coordinate in pixels
+ *
+ * @property {number} y
+ * y coordinate in pixels
+ */
- return el.currentStyle[prop] || '';
-}
+ /**
+ * Get the pointer position within an element.
+ *
+ * The base on the coordinates are the bottom left of the element.
+ *
+ * @param {Element} el
+ * Element on which to get the pointer position on.
+ *
+ * @param {EventTarget~Event} event
+ * Event object.
+ *
+ * @return {module:dom~Coordinates}
+ * A coordinates object corresponding to the mouse position.
+ *
+ */
-var _templateObject = taggedTemplateLiteralLoose(['Setting attributes in the second argument of createEl()\n has been deprecated. Use the third argument instead.\n createEl(type, properties, attributes). Attempting to set ', ' to ', '.'], ['Setting attributes in the second argument of createEl()\n has been deprecated. Use the third argument instead.\n createEl(type, properties, attributes). Attempting to set ', ' to ', '.']);
+ function getPointerPosition(el, event) {
+ var position = {};
+ var box = findPosition(el);
+ var boxW = el.offsetWidth;
+ var boxH = el.offsetHeight;
+ var boxY = box.top;
+ var boxX = box.left;
+ var pageY = event.pageY;
+ var pageX = event.pageX;
-/**
- * @file dom.js
- * @module dom
- */
-/**
- * Detect if a value is a string with any non-whitespace characters.
- *
- * @param {string} str
- * The string to check
- *
- * @return {boolean}
- * - True if the string is non-blank
- * - False otherwise
- *
- */
-function isNonBlankString(str) {
- return typeof str === 'string' && /\S/.test(str);
-}
+ if (event.changedTouches) {
+ pageX = event.changedTouches[0].pageX;
+ pageY = event.changedTouches[0].pageY;
+ }
-/**
- * Throws an error if the passed string has whitespace. This is used by
- * class methods to be relatively consistent with the classList API.
- *
- * @param {string} str
- * The string to check for whitespace.
- *
- * @throws {Error}
- * Throws an error if there is whitespace in the string.
- *
- */
-function throwIfWhitespace(str) {
- if (/\s/.test(str)) {
- throw new Error('class has illegal whitespace characters');
+ position.y = Math.max(0, Math.min(1, (boxY - pageY + boxH) / boxH));
+ position.x = Math.max(0, Math.min(1, (pageX - boxX) / boxW));
+ return position;
}
-}
-
-/**
- * Produce a regular expression for matching a className within an elements className.
- *
- * @param {string} className
- * The className to generate the RegExp for.
- *
- * @return {RegExp}
- * The RegExp that will check for a specific `className` in an elements
- * className.
- */
-function classRegExp(className) {
- return new RegExp('(^|\\s)' + className + '($|\\s)');
-}
+ /**
+ * Determines, via duck typing, whether or not a value is a text node.
+ *
+ * @param {Mixed} value
+ * Check if this value is a text node.
+ *
+ * @return {boolean}
+ * Will be `true` if the value is a text node, `false` otherwise.
+ */
-/**
- * Whether the current DOM interface appears to be real.
- *
- * @return {Boolean}
- */
-function isReal() {
- return (
+ function isTextNode(value) {
+ return isObject(value) && value.nodeType === 3;
+ }
+ /**
+ * Empties the contents of an element.
+ *
+ * @param {Element} el
+ * The element to empty children from
+ *
+ * @return {Element}
+ * The element with no children
+ */
- // Both document and window will never be undefined thanks to `global`.
- document_1 === window_1.document &&
+ function emptyEl(el) {
+ while (el.firstChild) {
+ el.removeChild(el.firstChild);
+ }
- // In IE < 9, DOM methods return "object" as their type, so all we can
- // confidently check is that it exists.
- typeof document_1.createElement !== 'undefined'
- );
-}
+ return el;
+ }
+ /**
+ * This is a mixed value that describes content to be injected into the DOM
+ * via some method. It can be of the following types:
+ *
+ * Type | Description
+ * -----------|-------------
+ * `string` | The value will be normalized into a text node.
+ * `Element` | The value will be accepted as-is.
+ * `TextNode` | The value will be accepted as-is.
+ * `Array` | A one-dimensional array of strings, elements, text nodes, or functions. These functions should return a string, element, or text node (any other return value, like an array, will be ignored).
+ * `Function` | A function, which is expected to return a string, element, text node, or array - any of the other possible values described above. This means that a content descriptor could be a function that returns an array of functions, but those second-level functions must return strings, elements, or text nodes.
+ *
+ * @typedef {string|Element|TextNode|Array|Function} module:dom~ContentDescriptor
+ */
-/**
- * Determines, via duck typing, whether or not a value is a DOM element.
- *
- * @param {Mixed} value
- * The thing to check
- *
- * @return {boolean}
- * - True if it is a DOM element
- * - False otherwise
- */
-function isEl(value) {
- return isObject(value) && value.nodeType === 1;
-}
+ /**
+ * Normalizes content for eventual insertion into the DOM.
+ *
+ * This allows a wide range of content definition methods, but helps protect
+ * from falling into the trap of simply writing to `innerHTML`, which could
+ * be an XSS concern.
+ *
+ * The content for an element can be passed in multiple types and
+ * combinations, whose behavior is as follows:
+ *
+ * @param {module:dom~ContentDescriptor} content
+ * A content descriptor value.
+ *
+ * @return {Array}
+ * All of the content that was passed in, normalized to an array of
+ * elements or text nodes.
+ */
-/**
- * Determines if the current DOM is embedded in an iframe.
- *
- * @return {boolean}
- *
- */
-function isInFrame() {
+ function normalizeContent(content) {
+ // First, invoke content if it is a function. If it produces an array,
+ // that needs to happen before normalization.
+ if (typeof content === 'function') {
+ content = content();
+ } // Next up, normalize to an array, so one or many items can be normalized,
+ // filtered, and returned.
- // We need a try/catch here because Safari will throw errors when attempting
- // to get either `parent` or `self`
- try {
- return window_1.parent !== window_1.self;
- } catch (x) {
- return true;
+
+ return (Array.isArray(content) ? content : [content]).map(function (value) {
+ // First, invoke value if it is a function to produce a new value,
+ // which will be subsequently normalized to a Node of some kind.
+ if (typeof value === 'function') {
+ value = value();
+ }
+
+ if (isEl(value) || isTextNode(value)) {
+ return value;
+ }
+
+ if (typeof value === 'string' && /\S/.test(value)) {
+ return document.createTextNode(value);
+ }
+ }).filter(function (value) {
+ return value;
+ });
}
-}
+ /**
+ * Normalizes and appends content to an element.
+ *
+ * @param {Element} el
+ * Element to append normalized content to.
+ *
+ * @param {module:dom~ContentDescriptor} content
+ * A content descriptor value.
+ *
+ * @return {Element}
+ * The element with appended normalized content.
+ */
-/**
- * Creates functions to query the DOM using a given method.
- *
- * @param {string} method
- * The method to create the query with.
- *
- * @return {Function}
- * The query method
- */
-function createQuerier(method) {
- return function (selector, context) {
- if (!isNonBlankString(selector)) {
- return document_1[method](null);
- }
- if (isNonBlankString(context)) {
- context = document_1.querySelector(context);
+ function appendContent(el, content) {
+ normalizeContent(content).forEach(function (node) {
+ return el.appendChild(node);
+ });
+ return el;
+ }
+ /**
+ * Normalizes and inserts content into an element; this is identical to
+ * `appendContent()`, except it empties the element first.
+ *
+ * @param {Element} el
+ * Element to insert normalized content into.
+ *
+ * @param {module:dom~ContentDescriptor} content
+ * A content descriptor value.
+ *
+ * @return {Element}
+ * The element with inserted normalized content.
+ */
+
+ function insertContent(el, content) {
+ return appendContent(emptyEl(el), content);
+ }
+ /**
+ * Check if an event was a single left click.
+ *
+ * @param {EventTarget~Event} event
+ * Event object.
+ *
+ * @return {boolean}
+ * Will be `true` if a single left click, `false` otherwise.
+ */
+
+ function isSingleLeftClick(event) {
+ // Note: if you create something draggable, be sure to
+ // call it on both `mousedown` and `mousemove` event,
+ // otherwise `mousedown` should be enough for a button
+ if (event.button === undefined && event.buttons === undefined) {
+ // Why do we need `buttons` ?
+ // Because, middle mouse sometimes have this:
+ // e.button === 0 and e.buttons === 4
+ // Furthermore, we want to prevent combination click, something like
+ // HOLD middlemouse then left click, that would be
+ // e.button === 0, e.buttons === 5
+ // just `button` is not gonna work
+ // Alright, then what this block does ?
+ // this is for chrome `simulate mobile devices`
+ // I want to support this as well
+ return true;
}
- var ctx = isEl(context) ? context : document_1;
+ if (event.button === 0 && event.buttons === undefined) {
+ // Touch screen, sometimes on some specific device, `buttons`
+ // doesn't have anything (safari on ios, blackberry...)
+ return true;
+ } // `mouseup` event on a single left click has
+ // `button` and `buttons` equal to 0
- return ctx[method] && ctx[method](selector);
- };
-}
-/**
- * Creates an element and applies properties.
- *
- * @param {string} [tagName='div']
- * Name of tag to be created.
- *
- * @param {Object} [properties={}]
- * Element properties to be applied.
- *
- * @param {Object} [attributes={}]
- * Element attributes to be applied.
- *
- * @param {String|Element|TextNode|Array|Function} [content]
- * Contents for the element (see: {@link dom:normalizeContent})
- *
- * @return {Element}
- * The element that was created.
- */
-function createEl() {
- var tagName = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'div';
- var properties = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
- var attributes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
- var content = arguments[3];
-
- var el = document_1.createElement(tagName);
-
- Object.getOwnPropertyNames(properties).forEach(function (propName) {
- var val = properties[propName];
-
- // See #2176
- // We originally were accepting both properties and attributes in the
- // same object, but that doesn't work so well.
- if (propName.indexOf('aria-') !== -1 || propName === 'role' || propName === 'type') {
- log$1.warn(tsml(_templateObject, propName, val));
- el.setAttribute(propName, val);
-
- // Handle textContent since it's not supported everywhere and we have a
- // method for it.
- } else if (propName === 'textContent') {
- textContent(el, val);
- } else {
- el[propName] = val;
+ if (event.type === 'mouseup' && event.button === 0 && event.buttons === 0) {
+ return true;
}
- });
- Object.getOwnPropertyNames(attributes).forEach(function (attrName) {
- el.setAttribute(attrName, attributes[attrName]);
- });
+ if (event.button !== 0 || event.buttons !== 1) {
+ // This is the reason we have those if else block above
+ // if any special case we can catch and let it slide
+ // we do it above, when get to here, this definitely
+ // is-not-left-click
+ return false;
+ }
- if (content) {
- appendContent(el, content);
+ return true;
}
+ /**
+ * Finds a single DOM element matching `selector` within the optional
+ * `context` of another DOM element (defaulting to `document`).
+ *
+ * @param {string} selector
+ * A valid CSS selector, which will be passed to `querySelector`.
+ *
+ * @param {Element|String} [context=document]
+ * A DOM element within which to query. Can also be a selector
+ * string in which case the first matching element will be used
+ * as context. If missing (or no element matches selector), falls
+ * back to `document`.
+ *
+ * @return {Element|null}
+ * The element that was found or null.
+ */
- return el;
-}
+ var $ = createQuerier('querySelector');
+ /**
+ * Finds a all DOM elements matching `selector` within the optional
+ * `context` of another DOM element (defaulting to `document`).
+ *
+ * @param {string} selector
+ * A valid CSS selector, which will be passed to `querySelectorAll`.
+ *
+ * @param {Element|String} [context=document]
+ * A DOM element within which to query. Can also be a selector
+ * string in which case the first matching element will be used
+ * as context. If missing (or no element matches selector), falls
+ * back to `document`.
+ *
+ * @return {NodeList}
+ * A element list of elements that were found. Will be empty if none
+ * were found.
+ *
+ */
+
+ var $$ = createQuerier('querySelectorAll');
+
+ var Dom = /*#__PURE__*/Object.freeze({
+ __proto__: null,
+ isReal: isReal,
+ isEl: isEl,
+ isInFrame: isInFrame,
+ createEl: createEl,
+ textContent: textContent,
+ prependTo: prependTo,
+ hasClass: hasClass,
+ addClass: addClass,
+ removeClass: removeClass,
+ toggleClass: toggleClass,
+ setAttributes: setAttributes,
+ getAttributes: getAttributes,
+ getAttribute: getAttribute,
+ setAttribute: setAttribute,
+ removeAttribute: removeAttribute,
+ blockTextSelection: blockTextSelection,
+ unblockTextSelection: unblockTextSelection,
+ getBoundingClientRect: getBoundingClientRect,
+ findPosition: findPosition,
+ getPointerPosition: getPointerPosition,
+ isTextNode: isTextNode,
+ emptyEl: emptyEl,
+ normalizeContent: normalizeContent,
+ appendContent: appendContent,
+ insertContent: insertContent,
+ isSingleLeftClick: isSingleLeftClick,
+ $: $,
+ $$: $$
+ });
-/**
- * Injects text into an element, replacing any existing contents entirely.
- *
- * @param {Element} el
- * The element to add text content into
- *
- * @param {string} text
- * The text content to add.
- *
- * @return {Element}
- * The element with added text content.
- */
-function textContent(el, text) {
- if (typeof el.textContent === 'undefined') {
- el.innerText = text;
- } else {
- el.textContent = text;
- }
- return el;
-}
+ /**
+ * @file setup.js - Functions for setting up a player without
+ * user interaction based on the data-setup `attribute` of the video tag.
+ *
+ * @module setup
+ */
+ var _windowLoaded = false;
+ var videojs;
+ /**
+ * Set up any tags that have a data-setup `attribute` when the player is started.
+ */
-/**
- * Insert an element as the first child node of another
- *
- * @param {Element} child
- * Element to insert
- *
- * @param {Element} parent
- * Element to insert child into
- */
-function prependTo(child, parent) {
- if (parent.firstChild) {
- parent.insertBefore(child, parent.firstChild);
- } else {
- parent.appendChild(child);
- }
-}
+ var autoSetup = function autoSetup() {
+ // Protect against breakage in non-browser environments and check global autoSetup option.
+ if (!isReal() || videojs.options.autoSetup === false) {
+ return;
+ }
-/**
- * Check if an element has a CSS class
- *
- * @param {Element} element
- * Element to check
- *
- * @param {string} classToCheck
- * Class name to check for
- *
- * @return {boolean}
- * - True if the element had the class
- * - False otherwise.
- *
- * @throws {Error}
- * Throws an error if `classToCheck` has white space.
- */
-function hasClass(element, classToCheck) {
- throwIfWhitespace(classToCheck);
- if (element.classList) {
- return element.classList.contains(classToCheck);
- }
- return classRegExp(classToCheck).test(element.className);
-}
+ var vids = Array.prototype.slice.call(document.getElementsByTagName('video'));
+ var audios = Array.prototype.slice.call(document.getElementsByTagName('audio'));
+ var divs = Array.prototype.slice.call(document.getElementsByTagName('video-js'));
+ var mediaEls = vids.concat(audios, divs); // Check if any media elements exist
-/**
- * Add a CSS class name to an element
- *
- * @param {Element} element
- * Element to add class name to.
- *
- * @param {string} classToAdd
- * Class name to add.
- *
- * @return {Element}
- * The dom element with the added class name.
- */
-function addClass(element, classToAdd) {
- if (element.classList) {
- element.classList.add(classToAdd);
-
- // Don't need to `throwIfWhitespace` here because `hasElClass` will do it
- // in the case of classList not being supported.
- } else if (!hasClass(element, classToAdd)) {
- element.className = (element.className + ' ' + classToAdd).trim();
- }
+ if (mediaEls && mediaEls.length > 0) {
+ for (var i = 0, e = mediaEls.length; i < e; i++) {
+ var mediaEl = mediaEls[i]; // Check if element exists, has getAttribute func.
- return element;
-}
+ if (mediaEl && mediaEl.getAttribute) {
+ // Make sure this player hasn't already been set up.
+ if (mediaEl.player === undefined) {
+ var options = mediaEl.getAttribute('data-setup'); // Check if data-setup attr exists.
+ // We only auto-setup if they've added the data-setup attr.
-/**
- * Remove a CSS class name from an element
- *
- * @param {Element} element
- * Element to remove a class name from.
- *
- * @param {string} classToRemove
- * Class name to remove
- *
- * @return {Element}
- * The dom element with class name removed.
- */
-function removeClass(element, classToRemove) {
- if (element.classList) {
- element.classList.remove(classToRemove);
- } else {
- throwIfWhitespace(classToRemove);
- element.className = element.className.split(/\s+/).filter(function (c) {
- return c !== classToRemove;
- }).join(' ');
- }
+ if (options !== null) {
+ // Create new video.js instance.
+ videojs(mediaEl);
+ }
+ } // If getAttribute isn't defined, we need to wait for the DOM.
- return element;
-}
+ } else {
+ autoSetupTimeout(1);
+ break;
+ }
+ } // No videos were found, so keep looping unless page is finished loading.
-/**
- * The callback definition for toggleElClass.
- *
- * @callback Dom~PredicateCallback
- * @param {Element} element
- * The DOM element of the Component.
- *
- * @param {string} classToToggle
- * The `className` that wants to be toggled
- *
- * @return {boolean|undefined}
- * - If true the `classToToggle` will get added to `element`.
- * - If false the `classToToggle` will get removed from `element`.
- * - If undefined this callback will be ignored
- */
+ } else if (!_windowLoaded) {
+ autoSetupTimeout(1);
+ }
+ };
+ /**
+ * Wait until the page is loaded before running autoSetup. This will be called in
+ * autoSetup if `hasLoaded` returns false.
+ *
+ * @param {number} wait
+ * How long to wait in ms
+ *
+ * @param {module:videojs} [vjs]
+ * The videojs library function
+ */
-/**
- * Adds or removes a CSS class name on an element depending on an optional
- * condition or the presence/absence of the class name.
- *
- * @param {Element} element
- * The element to toggle a class name on.
- *
- * @param {string} classToToggle
- * The class that should be toggled
- *
- * @param {boolean|PredicateCallback} [predicate]
- * See the return value for {@link Dom~PredicateCallback}
- *
- * @return {Element}
- * The element with a class that has been toggled.
- */
-function toggleClass(element, classToToggle, predicate) {
- // This CANNOT use `classList` internally because IE does not support the
- // second parameter to the `classList.toggle()` method! Which is fine because
- // `classList` will be used by the add/remove functions.
- var has = hasClass(element, classToToggle);
+ function autoSetupTimeout(wait, vjs) {
+ if (vjs) {
+ videojs = vjs;
+ }
- if (typeof predicate === 'function') {
- predicate = predicate(element, classToToggle);
+ window$3.setTimeout(autoSetup, wait);
}
+ /**
+ * Used to set the internal tracking of window loaded state to true.
+ *
+ * @private
+ */
- if (typeof predicate !== 'boolean') {
- predicate = !has;
- }
- // If the necessary class operation matches the current state of the
- // element, no action is required.
- if (predicate === has) {
- return;
+ function setWindowLoaded() {
+ _windowLoaded = true;
+ window$3.removeEventListener('load', setWindowLoaded);
}
- if (predicate) {
- addClass(element, classToToggle);
- } else {
- removeClass(element, classToToggle);
+ if (isReal()) {
+ if (document.readyState === 'complete') {
+ setWindowLoaded();
+ } else {
+ /**
+ * Listen for the load event on window, and set _windowLoaded to true.
+ *
+ * We use a standard event listener here to avoid incrementing the GUID
+ * before any players are created.
+ *
+ * @listens load
+ */
+ window$3.addEventListener('load', setWindowLoaded);
+ }
}
- return element;
-}
+ /**
+ * @file stylesheet.js
+ * @module stylesheet
+ */
+ /**
+ * Create a DOM syle element given a className for it.
+ *
+ * @param {string} className
+ * The className to add to the created style element.
+ *
+ * @return {Element}
+ * The element that was created.
+ */
-/**
- * Apply attributes to an HTML element.
- *
- * @param {Element} el
- * Element to add attributes to.
- *
- * @param {Object} [attributes]
- * Attributes to be applied.
- */
-function setAttributes(el, attributes) {
- Object.getOwnPropertyNames(attributes).forEach(function (attrName) {
- var attrValue = attributes[attrName];
+ var createStyleElement = function createStyleElement(className) {
+ var style = document.createElement('style');
+ style.className = className;
+ return style;
+ };
+ /**
+ * Add text to a DOM element.
+ *
+ * @param {Element} el
+ * The Element to add text content to.
+ *
+ * @param {string} content
+ * The text to add to the element.
+ */
- if (attrValue === null || typeof attrValue === 'undefined' || attrValue === false) {
- el.removeAttribute(attrName);
+ var setTextContent = function setTextContent(el, content) {
+ if (el.styleSheet) {
+ el.styleSheet.cssText = content;
} else {
- el.setAttribute(attrName, attrValue === true ? '' : attrValue);
+ el.textContent = content;
}
- });
-}
+ };
-/**
- * Get an element's attribute values, as defined on the HTML tag
- * Attributes are not the same as properties. They're defined on the tag
- * or with setAttribute (which shouldn't be used with HTML)
- * This will return true or false for boolean attributes.
- *
- * @param {Element} tag
- * Element from which to get tag attributes.
- *
- * @return {Object}
- * All attributes of the element.
- */
-function getAttributes(tag) {
- var obj = {};
+ /**
+ * @file guid.js
+ * @module guid
+ */
+ // Default value for GUIDs. This allows us to reset the GUID counter in tests.
+ //
+ // The initial GUID is 3 because some users have come to rely on the first
+ // default player ID ending up as `vjs_video_3`.
+ //
+ // See: https://github.com/videojs/video.js/pull/6216
+ var _initialGuid = 3;
+ /**
+ * Unique ID for an element or function
+ *
+ * @type {Number}
+ */
- // known boolean attributes
- // we can check for matching boolean properties, but older browsers
- // won't know about HTML5 boolean attributes that we still read from
- var knownBooleans = ',' + 'autoplay,controls,playsinline,loop,muted,default,defaultMuted' + ',';
+ var _guid = _initialGuid;
+ /**
+ * Get a unique auto-incrementing ID by number that has not been returned before.
+ *
+ * @return {number}
+ * A new unique ID.
+ */
- if (tag && tag.attributes && tag.attributes.length > 0) {
- var attrs = tag.attributes;
+ function newGUID() {
+ return _guid++;
+ }
- for (var i = attrs.length - 1; i >= 0; i--) {
- var attrName = attrs[i].name;
- var attrVal = attrs[i].value;
+ /**
+ * @file dom-data.js
+ * @module dom-data
+ */
+ var FakeWeakMap;
- // check for known booleans
- // the matching element property will return a value for typeof
- if (typeof tag[attrName] === 'boolean' || knownBooleans.indexOf(',' + attrName + ',') !== -1) {
- // the value of an included boolean attribute is typically an empty
- // string ('') which would equal false if we just check for a false value.
- // we also don't want support bad code like autoplay='false'
- attrVal = attrVal !== null ? true : false;
+ if (!window$3.WeakMap) {
+ FakeWeakMap = /*#__PURE__*/function () {
+ function FakeWeakMap() {
+ this.vdata = 'vdata' + Math.floor(window$3.performance && window$3.performance.now() || Date.now());
+ this.data = {};
}
- obj[attrName] = attrVal;
- }
- }
+ var _proto = FakeWeakMap.prototype;
- return obj;
-}
+ _proto.set = function set(key, value) {
+ var access = key[this.vdata] || newGUID();
-/**
- * Get the value of an element's attribute
- *
- * @param {Element} el
- * A DOM element
- *
- * @param {string} attribute
- * Attribute to get the value of
- *
- * @return {string}
- * value of the attribute
- */
-function getAttribute(el, attribute) {
- return el.getAttribute(attribute);
-}
+ if (!key[this.vdata]) {
+ key[this.vdata] = access;
+ }
-/**
- * Set the value of an element's attribute
- *
- * @param {Element} el
- * A DOM element
- *
- * @param {string} attribute
- * Attribute to set
- *
- * @param {string} value
- * Value to set the attribute to
- */
-function setAttribute(el, attribute, value) {
- el.setAttribute(attribute, value);
-}
+ this.data[access] = value;
+ return this;
+ };
-/**
- * Remove an element's attribute
- *
- * @param {Element} el
- * A DOM element
- *
- * @param {string} attribute
- * Attribute to remove
- */
-function removeAttribute(el, attribute) {
- el.removeAttribute(attribute);
-}
+ _proto.get = function get(key) {
+ var access = key[this.vdata]; // we have data, return it
-/**
- * Attempt to block the ability to select text while dragging controls
- */
-function blockTextSelection() {
- document_1.body.focus();
- document_1.onselectstart = function () {
- return false;
- };
-}
+ if (access) {
+ return this.data[access];
+ } // we don't have data, return nothing.
+ // return undefined explicitly as that's the contract for this method
-/**
- * Turn off text selection blocking
- */
-function unblockTextSelection() {
- document_1.onselectstart = function () {
- return true;
- };
-}
-/**
- * Identical to the native `getBoundingClientRect` function, but ensures that
- * the method is supported at all (it is in all browsers we claim to support)
- * and that the element is in the DOM before continuing.
- *
- * This wrapper function also shims properties which are not provided by some
- * older browsers (namely, IE8).
- *
- * Additionally, some browsers do not support adding properties to a
- * `ClientRect`/`DOMRect` object; so, we shallow-copy it with the standard
- * properties (except `x` and `y` which are not widely supported). This helps
- * avoid implementations where keys are non-enumerable.
- *
- * @param {Element} el
- * Element whose `ClientRect` we want to calculate.
- *
- * @return {Object|undefined}
- * Always returns a plain
- */
-function getBoundingClientRect(el) {
- if (el && el.getBoundingClientRect && el.parentNode) {
- var rect = el.getBoundingClientRect();
- var result = {};
+ log('We have no data for this element', key);
+ return undefined;
+ };
- ['bottom', 'height', 'left', 'right', 'top', 'width'].forEach(function (k) {
- if (rect[k] !== undefined) {
- result[k] = rect[k];
- }
- });
+ _proto.has = function has(key) {
+ var access = key[this.vdata];
+ return access in this.data;
+ };
- if (!result.height) {
- result.height = parseFloat(computedStyle(el, 'height'));
- }
+ _proto["delete"] = function _delete(key) {
+ var access = key[this.vdata];
- if (!result.width) {
- result.width = parseFloat(computedStyle(el, 'width'));
- }
-
- return result;
- }
-}
-
-/**
- * The postion of a DOM element on the page.
- *
- * @typedef {Object} module:dom~Position
- *
- * @property {number} left
- * Pixels to the left
- *
- * @property {number} top
- * Pixels on top
- */
-
-/**
- * Offset Left.
- * getBoundingClientRect technique from
- * John Resig
- *
- * @see http://ejohn.org/blog/getboundingclientrect-is-awesome/
- *
- * @param {Element} el
- * Element from which to get offset
- *
- * @return {module:dom~Position}
- * The position of the element that was passed in.
- */
-function findPosition(el) {
- var box = void 0;
+ if (access) {
+ delete this.data[access];
+ delete key[this.vdata];
+ }
+ };
- if (el.getBoundingClientRect && el.parentNode) {
- box = el.getBoundingClientRect();
+ return FakeWeakMap;
+ }();
}
+ /**
+ * Element Data Store.
+ *
+ * Allows for binding data to an element without putting it directly on the
+ * element. Ex. Event listeners are stored here.
+ * (also from jsninja.com, slightly modified and updated for closure compiler)
+ *
+ * @type {Object}
+ * @private
+ */
- if (!box) {
- return {
- left: 0,
- top: 0
- };
- }
- var docEl = document_1.documentElement;
- var body = document_1.body;
+ var DomData = window$3.WeakMap ? new WeakMap() : new FakeWeakMap();
- var clientLeft = docEl.clientLeft || body.clientLeft || 0;
- var scrollLeft = window_1.pageXOffset || body.scrollLeft;
- var left = box.left + scrollLeft - clientLeft;
+ /**
+ * @file events.js. An Event System (John Resig - Secrets of a JS Ninja http://jsninja.com/)
+ * (Original book version wasn't completely usable, so fixed some things and made Closure Compiler compatible)
+ * This should work very similarly to jQuery's events, however it's based off the book version which isn't as
+ * robust as jquery's, so there's probably some differences.
+ *
+ * @file events.js
+ * @module events
+ */
+ /**
+ * Clean up the listener cache and dispatchers
+ *
+ * @param {Element|Object} elem
+ * Element to clean up
+ *
+ * @param {string} type
+ * Type of event to clean up
+ */
- var clientTop = docEl.clientTop || body.clientTop || 0;
- var scrollTop = window_1.pageYOffset || body.scrollTop;
- var top = box.top + scrollTop - clientTop;
+ function _cleanUpEvents(elem, type) {
+ if (!DomData.has(elem)) {
+ return;
+ }
- // Android sometimes returns slightly off decimal values, so need to round
- return {
- left: Math.round(left),
- top: Math.round(top)
- };
-}
+ var data = DomData.get(elem); // Remove the events of a particular type if there are none left
-/**
- * x and y coordinates for a dom element or mouse pointer
- *
- * @typedef {Object} Dom~Coordinates
- *
- * @property {number} x
- * x coordinate in pixels
- *
- * @property {number} y
- * y coordinate in pixels
- */
+ if (data.handlers[type].length === 0) {
+ delete data.handlers[type]; // data.handlers[type] = null;
+ // Setting to null was causing an error with data.handlers
+ // Remove the meta-handler from the element
-/**
- * Get pointer position in element
- * Returns an object with x and y coordinates.
- * The base on the coordinates are the bottom left of the element.
- *
- * @param {Element} el
- * Element on which to get the pointer position on
- *
- * @param {EventTarget~Event} event
- * Event object
- *
- * @return {Dom~Coordinates}
- * A Coordinates object corresponding to the mouse position.
- *
- */
-function getPointerPosition(el, event) {
- var position = {};
- var box = findPosition(el);
- var boxW = el.offsetWidth;
- var boxH = el.offsetHeight;
-
- var boxY = box.top;
- var boxX = box.left;
- var pageY = event.pageY;
- var pageX = event.pageX;
-
- if (event.changedTouches) {
- pageX = event.changedTouches[0].pageX;
- pageY = event.changedTouches[0].pageY;
- }
+ if (elem.removeEventListener) {
+ elem.removeEventListener(type, data.dispatcher, false);
+ } else if (elem.detachEvent) {
+ elem.detachEvent('on' + type, data.dispatcher);
+ }
+ } // Remove the events object if there are no types left
- position.y = Math.max(0, Math.min(1, (boxY - pageY + boxH) / boxH));
- position.x = Math.max(0, Math.min(1, (pageX - boxX) / boxW));
- return position;
-}
+ if (Object.getOwnPropertyNames(data.handlers).length <= 0) {
+ delete data.handlers;
+ delete data.dispatcher;
+ delete data.disabled;
+ } // Finally remove the element data if there is no data left
-/**
- * Determines, via duck typing, whether or not a value is a text node.
- *
- * @param {Mixed} value
- * Check if this value is a text node.
- *
- * @return {boolean}
- * - True if it is a text node
- * - False otherwise
- */
-function isTextNode(value) {
- return isObject(value) && value.nodeType === 3;
-}
-/**
- * Empties the contents of an element.
- *
- * @param {Element} el
- * The element to empty children from
- *
- * @return {Element}
- * The element with no children
- */
-function emptyEl(el) {
- while (el.firstChild) {
- el.removeChild(el.firstChild);
+ if (Object.getOwnPropertyNames(data).length === 0) {
+ DomData["delete"](elem);
+ }
}
- return el;
-}
+ /**
+ * Loops through an array of event types and calls the requested method for each type.
+ *
+ * @param {Function} fn
+ * The event method we want to use.
+ *
+ * @param {Element|Object} elem
+ * Element or object to bind listeners to
+ *
+ * @param {string} type
+ * Type of event to bind to.
+ *
+ * @param {EventTarget~EventListener} callback
+ * Event listener.
+ */
-/**
- * Normalizes content for eventual insertion into the DOM.
- *
- * This allows a wide range of content definition methods, but protects
- * from falling into the trap of simply writing to `innerHTML`, which is
- * an XSS concern.
- *
- * The content for an element can be passed in multiple types and
- * combinations, whose behavior is as follows:
- *
- * @param {String|Element|TextNode|Array|Function} content
- * - String: Normalized into a text node.
- * - Element/TextNode: Passed through.
- * - Array: A one-dimensional array of strings, elements, nodes, or functions
- * (which return single strings, elements, or nodes).
- * - Function: If the sole argument, is expected to produce a string, element,
- * node, or array as defined above.
- *
- * @return {Array}
- * All of the content that was passed in normalized.
- */
-function normalizeContent(content) {
- // First, invoke content if it is a function. If it produces an array,
- // that needs to happen before normalization.
- if (typeof content === 'function') {
- content = content();
+ function _handleMultipleEvents(fn, elem, types, callback) {
+ types.forEach(function (type) {
+ // Call the event method for each one of the types
+ fn(elem, type, callback);
+ });
}
+ /**
+ * Fix a native event to have standard property values
+ *
+ * @param {Object} event
+ * Event object to fix.
+ *
+ * @return {Object}
+ * Fixed event object.
+ */
- // Next up, normalize to an array, so one or many items can be normalized,
- // filtered, and returned.
- return (Array.isArray(content) ? content : [content]).map(function (value) {
- // First, invoke value if it is a function to produce a new value,
- // which will be subsequently normalized to a Node of some kind.
- if (typeof value === 'function') {
- value = value();
+ function fixEvent(event) {
+ if (event.fixed_) {
+ return event;
}
- if (isEl(value) || isTextNode(value)) {
- return value;
+ function returnTrue() {
+ return true;
}
- if (typeof value === 'string' && /\S/.test(value)) {
- return document_1.createTextNode(value);
- }
- }).filter(function (value) {
- return value;
- });
-}
+ function returnFalse() {
+ return false;
+ } // Test if fixing up is needed
+ // Used to check if !event.stopPropagation instead of isPropagationStopped
+ // But native events return true for stopPropagation, but don't have
+ // other expected methods like isPropagationStopped. Seems to be a problem
+ // with the Javascript Ninja code. So we're just overriding all events now.
+
+
+ if (!event || !event.isPropagationStopped) {
+ var old = event || window$3.event;
+ event = {}; // Clone the old object so that we can modify the values event = {};
+ // IE8 Doesn't like when you mess with native event properties
+ // Firefox returns false for event.hasOwnProperty('type') and other props
+ // which makes copying more difficult.
+ // TODO: Probably best to create a whitelist of event props
+
+ for (var key in old) {
+ // Safari 6.0.3 warns you if you try to copy deprecated layerX/Y
+ // Chrome warns you if you try to copy deprecated keyboardEvent.keyLocation
+ // and webkitMovementX/Y
+ if (key !== 'layerX' && key !== 'layerY' && key !== 'keyLocation' && key !== 'webkitMovementX' && key !== 'webkitMovementY') {
+ // Chrome 32+ warns if you try to copy deprecated returnValue, but
+ // we still want to if preventDefault isn't supported (IE8).
+ if (!(key === 'returnValue' && old.preventDefault)) {
+ event[key] = old[key];
+ }
+ }
+ } // The event occurred on this element
-/**
- * Normalizes and appends content to an element.
- *
- * @param {Element} el
- * Element to append normalized content to.
- *
- *
- * @param {String|Element|TextNode|Array|Function} content
- * See the `content` argument of {@link dom:normalizeContent}
- *
- * @return {Element}
- * The element with appended normalized content.
- */
-function appendContent(el, content) {
- normalizeContent(content).forEach(function (node) {
- return el.appendChild(node);
- });
- return el;
-}
-/**
- * Normalizes and inserts content into an element; this is identical to
- * `appendContent()`, except it empties the element first.
- *
- * @param {Element} el
- * Element to insert normalized content into.
- *
- * @param {String|Element|TextNode|Array|Function} content
- * See the `content` argument of {@link dom:normalizeContent}
- *
- * @return {Element}
- * The element with inserted normalized content.
- *
- */
-function insertContent(el, content) {
- return appendContent(emptyEl(el), content);
-}
+ if (!event.target) {
+ event.target = event.srcElement || document;
+ } // Handle which other element the event is related to
-/**
- * Check if event was a single left click
- *
- * @param {EventTarget~Event} event
- * Event object
- *
- * @return {boolean}
- * - True if a left click
- * - False if not a left click
- */
-function isSingleLeftClick(event) {
- // Note: if you create something draggable, be sure to
- // call it on both `mousedown` and `mousemove` event,
- // otherwise `mousedown` should be enough for a button
-
- if (event.button === undefined && event.buttons === undefined) {
- // Why do we need `butttons` ?
- // Because, middle mouse sometimes have this:
- // e.button === 0 and e.buttons === 4
- // Furthermore, we want to prevent combination click, something like
- // HOLD middlemouse then left click, that would be
- // e.button === 0, e.buttons === 5
- // just `button` is not gonna work
-
- // Alright, then what this block does ?
- // this is for chrome `simulate mobile devices`
- // I want to support this as well
- return true;
- }
+ if (!event.relatedTarget) {
+ event.relatedTarget = event.fromElement === event.target ? event.toElement : event.fromElement;
+ } // Stop the default browser action
- if (event.button === 0 && event.buttons === undefined) {
- // Touch screen, sometimes on some specific device, `buttons`
- // doesn't have anything (safari on ios, blackberry...)
- return true;
- }
+ event.preventDefault = function () {
+ if (old.preventDefault) {
+ old.preventDefault();
+ }
- if (IE_VERSION === 9) {
- // Ignore IE9
+ event.returnValue = false;
+ old.returnValue = false;
+ event.defaultPrevented = true;
+ };
- return true;
- }
+ event.defaultPrevented = false; // Stop the event from bubbling
- if (event.button !== 0 || event.buttons !== 1) {
- // This is the reason we have those if else block above
- // if any special case we can catch and let it slide
- // we do it above, when get to here, this definitely
- // is-not-left-click
+ event.stopPropagation = function () {
+ if (old.stopPropagation) {
+ old.stopPropagation();
+ }
- return false;
- }
+ event.cancelBubble = true;
+ old.cancelBubble = true;
+ event.isPropagationStopped = returnTrue;
+ };
- return true;
-}
+ event.isPropagationStopped = returnFalse; // Stop the event from bubbling and executing other handlers
-/**
- * Finds a single DOM element matching `selector` within the optional
- * `context` of another DOM element (defaulting to `document`).
- *
- * @param {string} selector
- * A valid CSS selector, which will be passed to `querySelector`.
- *
- * @param {Element|String} [context=document]
- * A DOM element within which to query. Can also be a selector
- * string in which case the first matching element will be used
- * as context. If missing (or no element matches selector), falls
- * back to `document`.
- *
- * @return {Element|null}
- * The element that was found or null.
- */
-var $ = createQuerier('querySelector');
+ event.stopImmediatePropagation = function () {
+ if (old.stopImmediatePropagation) {
+ old.stopImmediatePropagation();
+ }
-/**
- * Finds a all DOM elements matching `selector` within the optional
- * `context` of another DOM element (defaulting to `document`).
- *
- * @param {string} selector
- * A valid CSS selector, which will be passed to `querySelectorAll`.
- *
- * @param {Element|String} [context=document]
- * A DOM element within which to query. Can also be a selector
- * string in which case the first matching element will be used
- * as context. If missing (or no element matches selector), falls
- * back to `document`.
- *
- * @return {NodeList}
- * A element list of elements that were found. Will be empty if none were found.
- *
- */
-var $$ = createQuerier('querySelectorAll');
-
-
-
-var Dom = (Object.freeze || Object)({
- isReal: isReal,
- isEl: isEl,
- isInFrame: isInFrame,
- createEl: createEl,
- textContent: textContent,
- prependTo: prependTo,
- hasClass: hasClass,
- addClass: addClass,
- removeClass: removeClass,
- toggleClass: toggleClass,
- setAttributes: setAttributes,
- getAttributes: getAttributes,
- getAttribute: getAttribute,
- setAttribute: setAttribute,
- removeAttribute: removeAttribute,
- blockTextSelection: blockTextSelection,
- unblockTextSelection: unblockTextSelection,
- getBoundingClientRect: getBoundingClientRect,
- findPosition: findPosition,
- getPointerPosition: getPointerPosition,
- isTextNode: isTextNode,
- emptyEl: emptyEl,
- normalizeContent: normalizeContent,
- appendContent: appendContent,
- insertContent: insertContent,
- isSingleLeftClick: isSingleLeftClick,
- $: $,
- $$: $$
-});
+ event.isImmediatePropagationStopped = returnTrue;
+ event.stopPropagation();
+ };
-/**
- * @file guid.js
- * @module guid
- */
+ event.isImmediatePropagationStopped = returnFalse; // Handle mouse position
-/**
- * Unique ID for an element or function
- * @type {Number}
- */
-var _guid = 1;
+ if (event.clientX !== null && event.clientX !== undefined) {
+ var doc = document.documentElement;
+ var body = document.body;
+ event.pageX = event.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc && doc.clientLeft || body && body.clientLeft || 0);
+ event.pageY = event.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc && doc.clientTop || body && body.clientTop || 0);
+ } // Handle key presses
-/**
- * Get a unique auto-incrementing ID by number that has not been returned before.
- *
- * @return {number}
- * A new unique ID.
- */
-function newGUID() {
- return _guid++;
-}
-/**
- * @file dom-data.js
- * @module dom-data
- */
-/**
- * Element Data Store.
- *
- * Allows for binding data to an element without putting it directly on the
- * element. Ex. Event listeners are stored here.
- * (also from jsninja.com, slightly modified and updated for closure compiler)
- *
- * @type {Object}
- * @private
- */
-var elData = {};
+ event.which = event.charCode || event.keyCode; // Fix button for mouse clicks:
+ // 0 == left; 1 == middle; 2 == right
-/*
- * Unique attribute name to store an element's guid in
- *
- * @type {String}
- * @constant
- * @private
- */
-var elIdAttr = 'vdata' + new Date().getTime();
+ if (event.button !== null && event.button !== undefined) {
+ // The following is disabled because it does not pass videojs-standard
+ // and... yikes.
-/**
- * Returns the cache object where data for an element is stored
- *
- * @param {Element} el
- * Element to store data for.
- *
- * @return {Object}
- * The cache object for that el that was passed in.
- */
-function getData(el) {
- var id = el[elIdAttr];
+ /* eslint-disable */
+ event.button = event.button & 1 ? 0 : event.button & 4 ? 1 : event.button & 2 ? 2 : 0;
+ /* eslint-enable */
+ }
+ }
- if (!id) {
- id = el[elIdAttr] = newGUID();
- }
+ event.fixed_ = true; // Returns fixed-up instance
- if (!elData[id]) {
- elData[id] = {};
+ return event;
}
+ /**
+ * Whether passive event listeners are supported
+ */
- return elData[id];
-}
+ var _supportsPassive;
-/**
- * Returns whether or not an element has cached data
- *
- * @param {Element} el
- * Check if this element has cached data.
- *
- * @return {boolean}
- * - True if the DOM element has cached data.
- * - False otherwise.
- */
-function hasData(el) {
- var id = el[elIdAttr];
+ var supportsPassive = function supportsPassive() {
+ if (typeof _supportsPassive !== 'boolean') {
+ _supportsPassive = false;
- if (!id) {
- return false;
- }
+ try {
+ var opts = Object.defineProperty({}, 'passive', {
+ get: function get() {
+ _supportsPassive = true;
+ }
+ });
+ window$3.addEventListener('test', null, opts);
+ window$3.removeEventListener('test', null, opts);
+ } catch (e) {// disregard
+ }
+ }
- return !!Object.getOwnPropertyNames(elData[id]).length;
-}
+ return _supportsPassive;
+ };
+ /**
+ * Touch events Chrome expects to be passive
+ */
-/**
- * Delete data for the element from the cache and the guid attr from getElementById
- *
- * @param {Element} el
- * Remove cached data for this element.
- */
-function removeData(el) {
- var id = el[elIdAttr];
- if (!id) {
- return;
- }
+ var passiveEvents = ['touchstart', 'touchmove'];
+ /**
+ * Add an event listener to element
+ * It stores the handler function in a separate cache object
+ * and adds a generic handler to the element's event,
+ * along with a unique id (guid) to the element.
+ *
+ * @param {Element|Object} elem
+ * Element or object to bind listeners to
+ *
+ * @param {string|string[]} type
+ * Type of event to bind to.
+ *
+ * @param {EventTarget~EventListener} fn
+ * Event listener.
+ */
- // Remove all stored data
- delete elData[id];
+ function on(elem, type, fn) {
+ if (Array.isArray(type)) {
+ return _handleMultipleEvents(on, elem, type, fn);
+ }
- // Remove the elIdAttr property from the DOM node
- try {
- delete el[elIdAttr];
- } catch (e) {
- if (el.removeAttribute) {
- el.removeAttribute(elIdAttr);
- } else {
- // IE doesn't appear to support removeAttribute on the document element
- el[elIdAttr] = null;
+ if (!DomData.has(elem)) {
+ DomData.set(elem, {});
}
- }
-}
-/**
- * @file events.js. An Event System (John Resig - Secrets of a JS Ninja http://jsninja.com/)
- * (Original book version wasn't completely usable, so fixed some things and made Closure Compiler compatible)
- * This should work very similarly to jQuery's events, however it's based off the book version which isn't as
- * robust as jquery's, so there's probably some differences.
- *
- * @module events
- */
+ var data = DomData.get(elem); // We need a place to store all our handler data
-/**
- * Clean up the listener cache and dispatchers
- *
- * @param {Element|Object} elem
- * Element to clean up
- *
- * @param {string} type
- * Type of event to clean up
- */
-function _cleanUpEvents(elem, type) {
- var data = getData(elem);
+ if (!data.handlers) {
+ data.handlers = {};
+ }
- // Remove the events of a particular type if there are none left
- if (data.handlers[type].length === 0) {
- delete data.handlers[type];
- // data.handlers[type] = null;
- // Setting to null was causing an error with data.handlers
+ if (!data.handlers[type]) {
+ data.handlers[type] = [];
+ }
- // Remove the meta-handler from the element
- if (elem.removeEventListener) {
- elem.removeEventListener(type, data.dispatcher, false);
- } else if (elem.detachEvent) {
- elem.detachEvent('on' + type, data.dispatcher);
+ if (!fn.guid) {
+ fn.guid = newGUID();
}
- }
- // Remove the events object if there are no types left
- if (Object.getOwnPropertyNames(data.handlers).length <= 0) {
- delete data.handlers;
- delete data.dispatcher;
- delete data.disabled;
- }
+ data.handlers[type].push(fn);
- // Finally remove the element data if there is no data left
- if (Object.getOwnPropertyNames(data).length === 0) {
- removeData(elem);
- }
-}
+ if (!data.dispatcher) {
+ data.disabled = false;
-/**
- * Loops through an array of event types and calls the requested method for each type.
- *
- * @param {Function} fn
- * The event method we want to use.
- *
- * @param {Element|Object} elem
- * Element or object to bind listeners to
- *
- * @param {string} type
- * Type of event to bind to.
- *
- * @param {EventTarget~EventListener} callback
- * Event listener.
- */
-function _handleMultipleEvents(fn, elem, types, callback) {
- types.forEach(function (type) {
- // Call the event method for each one of the types
- fn(elem, type, callback);
- });
-}
+ data.dispatcher = function (event, hash) {
+ if (data.disabled) {
+ return;
+ }
-/**
- * Fix a native event to have standard property values
- *
- * @param {Object} event
- * Event object to fix.
- *
- * @return {Object}
- * Fixed event object.
- */
-function fixEvent(event) {
+ event = fixEvent(event);
+ var handlers = data.handlers[event.type];
- function returnTrue() {
- return true;
- }
+ if (handlers) {
+ // Copy handlers so if handlers are added/removed during the process it doesn't throw everything off.
+ var handlersCopy = handlers.slice(0);
- function returnFalse() {
- return false;
- }
+ for (var m = 0, n = handlersCopy.length; m < n; m++) {
+ if (event.isImmediatePropagationStopped()) {
+ break;
+ } else {
+ try {
+ handlersCopy[m].call(elem, event, hash);
+ } catch (e) {
+ log.error(e);
+ }
+ }
+ }
+ }
+ };
+ }
- // Test if fixing up is needed
- // Used to check if !event.stopPropagation instead of isPropagationStopped
- // But native events return true for stopPropagation, but don't have
- // other expected methods like isPropagationStopped. Seems to be a problem
- // with the Javascript Ninja code. So we're just overriding all events now.
- if (!event || !event.isPropagationStopped) {
- var old = event || window_1.event;
+ if (data.handlers[type].length === 1) {
+ if (elem.addEventListener) {
+ var options = false;
- event = {};
- // Clone the old object so that we can modify the values event = {};
- // IE8 Doesn't like when you mess with native event properties
- // Firefox returns false for event.hasOwnProperty('type') and other props
- // which makes copying more difficult.
- // TODO: Probably best to create a whitelist of event props
- for (var key in old) {
- // Safari 6.0.3 warns you if you try to copy deprecated layerX/Y
- // Chrome warns you if you try to copy deprecated keyboardEvent.keyLocation
- // and webkitMovementX/Y
- if (key !== 'layerX' && key !== 'layerY' && key !== 'keyLocation' && key !== 'webkitMovementX' && key !== 'webkitMovementY') {
- // Chrome 32+ warns if you try to copy deprecated returnValue, but
- // we still want to if preventDefault isn't supported (IE8).
- if (!(key === 'returnValue' && old.preventDefault)) {
- event[key] = old[key];
+ if (supportsPassive() && passiveEvents.indexOf(type) > -1) {
+ options = {
+ passive: true
+ };
}
+
+ elem.addEventListener(type, data.dispatcher, options);
+ } else if (elem.attachEvent) {
+ elem.attachEvent('on' + type, data.dispatcher);
}
}
+ }
+ /**
+ * Removes event listeners from an element
+ *
+ * @param {Element|Object} elem
+ * Object to remove listeners from.
+ *
+ * @param {string|string[]} [type]
+ * Type of listener to remove. Don't include to remove all events from element.
+ *
+ * @param {EventTarget~EventListener} [fn]
+ * Specific listener to remove. Don't include to remove listeners for an event
+ * type.
+ */
- // The event occurred on this element
- if (!event.target) {
- event.target = event.srcElement || document_1;
+ function off(elem, type, fn) {
+ // Don't want to add a cache object through getElData if not needed
+ if (!DomData.has(elem)) {
+ return;
}
- // Handle which other element the event is related to
- if (!event.relatedTarget) {
- event.relatedTarget = event.fromElement === event.target ? event.toElement : event.fromElement;
- }
+ var data = DomData.get(elem); // If no events exist, nothing to unbind
- // Stop the default browser action
- event.preventDefault = function () {
- if (old.preventDefault) {
- old.preventDefault();
- }
- event.returnValue = false;
- old.returnValue = false;
- event.defaultPrevented = true;
- };
+ if (!data.handlers) {
+ return;
+ }
- event.defaultPrevented = false;
+ if (Array.isArray(type)) {
+ return _handleMultipleEvents(off, elem, type, fn);
+ } // Utility function
- // Stop the event from bubbling
- event.stopPropagation = function () {
- if (old.stopPropagation) {
- old.stopPropagation();
- }
- event.cancelBubble = true;
- old.cancelBubble = true;
- event.isPropagationStopped = returnTrue;
- };
- event.isPropagationStopped = returnFalse;
+ var removeType = function removeType(el, t) {
+ data.handlers[t] = [];
- // Stop the event from bubbling and executing other handlers
- event.stopImmediatePropagation = function () {
- if (old.stopImmediatePropagation) {
- old.stopImmediatePropagation();
- }
- event.isImmediatePropagationStopped = returnTrue;
- event.stopPropagation();
- };
+ _cleanUpEvents(el, t);
+ }; // Are we removing all bound events?
- event.isImmediatePropagationStopped = returnFalse;
- // Handle mouse position
- if (event.clientX !== null && event.clientX !== undefined) {
- var doc = document_1.documentElement;
- var body = document_1.body;
+ if (type === undefined) {
+ for (var t in data.handlers) {
+ if (Object.prototype.hasOwnProperty.call(data.handlers || {}, t)) {
+ removeType(elem, t);
+ }
+ }
- event.pageX = event.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc && doc.clientLeft || body && body.clientLeft || 0);
- event.pageY = event.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc && doc.clientTop || body && body.clientTop || 0);
+ return;
}
- // Handle key presses
- event.which = event.charCode || event.keyCode;
+ var handlers = data.handlers[type]; // If no handlers exist, nothing to unbind
- // Fix button for mouse clicks:
- // 0 == left; 1 == middle; 2 == right
- if (event.button !== null && event.button !== undefined) {
+ if (!handlers) {
+ return;
+ } // If no listener was provided, remove all listeners for type
- // The following is disabled because it does not pass videojs-standard
- // and... yikes.
- /* eslint-disable */
- event.button = event.button & 1 ? 0 : event.button & 4 ? 1 : event.button & 2 ? 2 : 0;
- /* eslint-enable */
- }
- }
- // Returns fixed-up instance
- return event;
-}
+ if (!fn) {
+ removeType(elem, type);
+ return;
+ } // We're only removing a single handler
-/**
- * Whether passive event listeners are supported
- */
-var _supportsPassive = false;
-(function () {
- try {
- var opts = Object.defineProperty({}, 'passive', {
- get: function get() {
- _supportsPassive = true;
+ if (fn.guid) {
+ for (var n = 0; n < handlers.length; n++) {
+ if (handlers[n].guid === fn.guid) {
+ handlers.splice(n--, 1);
+ }
}
- });
+ }
- window_1.addEventListener('test', null, opts);
- window_1.removeEventListener('test', null, opts);
- } catch (e) {
- // disregard
- }
-})();
-
-/**
- * Touch events Chrome expects to be passive
- */
-var passiveEvents = ['touchstart', 'touchmove'];
-
-/**
- * Add an event listener to element
- * It stores the handler function in a separate cache object
- * and adds a generic handler to the element's event,
- * along with a unique id (guid) to the element.
- *
- * @param {Element|Object} elem
- * Element or object to bind listeners to
- *
- * @param {string|string[]} type
- * Type of event to bind to.
- *
- * @param {EventTarget~EventListener} fn
- * Event listener.
- */
-function on(elem, type, fn) {
- if (Array.isArray(type)) {
- return _handleMultipleEvents(on, elem, type, fn);
- }
-
- var data = getData(elem);
-
- // We need a place to store all our handler data
- if (!data.handlers) {
- data.handlers = {};
- }
-
- if (!data.handlers[type]) {
- data.handlers[type] = [];
+ _cleanUpEvents(elem, type);
}
+ /**
+ * Trigger an event for an element
+ *
+ * @param {Element|Object} elem
+ * Element to trigger an event on
+ *
+ * @param {EventTarget~Event|string} event
+ * A string (the type) or an event object with a type attribute
+ *
+ * @param {Object} [hash]
+ * data hash to pass along with the event
+ *
+ * @return {boolean|undefined}
+ * Returns the opposite of `defaultPrevented` if default was
+ * prevented. Otherwise, returns `undefined`
+ */
+
+ function trigger(elem, event, hash) {
+ // Fetches element data and a reference to the parent (for bubbling).
+ // Don't want to add a data object to cache for every parent,
+ // so checking hasElData first.
+ var elemData = DomData.has(elem) ? DomData.get(elem) : {};
+ var parent = elem.parentNode || elem.ownerDocument; // type = event.type || event,
+ // handler;
+ // If an event name was passed as a string, creates an event out of it
+
+ if (typeof event === 'string') {
+ event = {
+ type: event,
+ target: elem
+ };
+ } else if (!event.target) {
+ event.target = elem;
+ } // Normalizes the event properties.
- if (!fn.guid) {
- fn.guid = newGUID();
- }
- data.handlers[type].push(fn);
+ event = fixEvent(event); // If the passed element has a dispatcher, executes the established handlers.
- if (!data.dispatcher) {
- data.disabled = false;
+ if (elemData.dispatcher) {
+ elemData.dispatcher.call(elem, event, hash);
+ } // Unless explicitly stopped or the event does not bubble (e.g. media events)
+ // recursively calls this function to bubble the event up the DOM.
- data.dispatcher = function (event, hash) {
- if (data.disabled) {
- return;
+ if (parent && !event.isPropagationStopped() && event.bubbles === true) {
+ trigger.call(null, parent, event, hash); // If at the top of the DOM, triggers the default action unless disabled.
+ } else if (!parent && !event.defaultPrevented && event.target && event.target[event.type]) {
+ if (!DomData.has(event.target)) {
+ DomData.set(event.target, {});
}
- event = fixEvent(event);
+ var targetData = DomData.get(event.target); // Checks if the target has a default action for this event.
- var handlers = data.handlers[event.type];
+ if (event.target[event.type]) {
+ // Temporarily disables event dispatching on the target as we have already executed the handler.
+ targetData.disabled = true; // Executes the default action.
- if (handlers) {
- // Copy handlers so if handlers are added/removed during the process it doesn't throw everything off.
- var handlersCopy = handlers.slice(0);
+ if (typeof event.target[event.type] === 'function') {
+ event.target[event.type]();
+ } // Re-enables event dispatching.
- for (var m = 0, n = handlersCopy.length; m < n; m++) {
- if (event.isImmediatePropagationStopped()) {
- break;
- } else {
- try {
- handlersCopy[m].call(elem, event, hash);
- } catch (e) {
- log$1.error(e);
- }
- }
- }
+
+ targetData.disabled = false;
}
- };
- }
+ } // Inform the triggerer if the default was prevented by returning false
- if (data.handlers[type].length === 1) {
- if (elem.addEventListener) {
- var options = false;
- if (_supportsPassive && passiveEvents.indexOf(type) > -1) {
- options = { passive: true };
- }
- elem.addEventListener(type, data.dispatcher, options);
- } else if (elem.attachEvent) {
- elem.attachEvent('on' + type, data.dispatcher);
- }
+ return !event.defaultPrevented;
}
-}
+ /**
+ * Trigger a listener only once for an event.
+ *
+ * @param {Element|Object} elem
+ * Element or object to bind to.
+ *
+ * @param {string|string[]} type
+ * Name/type of event
+ *
+ * @param {Event~EventListener} fn
+ * Event listener function
+ */
-/**
- * Removes event listeners from an element
- *
- * @param {Element|Object} elem
- * Object to remove listeners from.
- *
- * @param {string|string[]} [type]
- * Type of listener to remove. Don't include to remove all events from element.
- *
- * @param {EventTarget~EventListener} [fn]
- * Specific listener to remove. Don't include to remove listeners for an event
- * type.
- */
-function off(elem, type, fn) {
- // Don't want to add a cache object through getElData if not needed
- if (!hasData(elem)) {
- return;
- }
+ function one(elem, type, fn) {
+ if (Array.isArray(type)) {
+ return _handleMultipleEvents(one, elem, type, fn);
+ }
- var data = getData(elem);
+ var func = function func() {
+ off(elem, type, func);
+ fn.apply(this, arguments);
+ }; // copy the guid to the new function so it can removed using the original function's ID
- // If no events exist, nothing to unbind
- if (!data.handlers) {
- return;
- }
- if (Array.isArray(type)) {
- return _handleMultipleEvents(off, elem, type, fn);
+ func.guid = fn.guid = fn.guid || newGUID();
+ on(elem, type, func);
}
+ /**
+ * Trigger a listener only once and then turn if off for all
+ * configured events
+ *
+ * @param {Element|Object} elem
+ * Element or object to bind to.
+ *
+ * @param {string|string[]} type
+ * Name/type of event
+ *
+ * @param {Event~EventListener} fn
+ * Event listener function
+ */
- // Utility function
- var removeType = function removeType(el, t) {
- data.handlers[t] = [];
- _cleanUpEvents(el, t);
- };
+ function any(elem, type, fn) {
+ var func = function func() {
+ off(elem, type, func);
+ fn.apply(this, arguments);
+ }; // copy the guid to the new function so it can removed using the original function's ID
- // Are we removing all bound events?
- if (type === undefined) {
- for (var t in data.handlers) {
- if (Object.prototype.hasOwnProperty.call(data.handlers || {}, t)) {
- removeType(elem, t);
- }
- }
- return;
- }
- var handlers = data.handlers[type];
+ func.guid = fn.guid = fn.guid || newGUID(); // multiple ons, but one off for everything
- // If no handlers exist, nothing to unbind
- if (!handlers) {
- return;
+ on(elem, type, func);
}
- // If no listener was provided, remove all listeners for type
- if (!fn) {
- removeType(elem, type);
- return;
- }
+ var Events = /*#__PURE__*/Object.freeze({
+ __proto__: null,
+ fixEvent: fixEvent,
+ on: on,
+ off: off,
+ trigger: trigger,
+ one: one,
+ any: any
+ });
- // We're only removing a single handler
- if (fn.guid) {
- for (var n = 0; n < handlers.length; n++) {
- if (handlers[n].guid === fn.guid) {
- handlers.splice(n--, 1);
- }
- }
- }
+ /**
+ * @file fn.js
+ * @module fn
+ */
+ var UPDATE_REFRESH_INTERVAL = 30;
+ /**
+ * Bind (a.k.a proxy or context). A simple method for changing the context of
+ * a function.
+ *
+ * It also stores a unique id on the function so it can be easily removed from
+ * events.
+ *
+ * @function
+ * @param {Mixed} context
+ * The object to bind as scope.
+ *
+ * @param {Function} fn
+ * The function to be bound to a scope.
+ *
+ * @param {number} [uid]
+ * An optional unique ID for the function to be set
+ *
+ * @return {Function}
+ * The new function that will be bound into the context given
+ */
- _cleanUpEvents(elem, type);
-}
+ var bind = function bind(context, fn, uid) {
+ // Make sure the function has a unique ID
+ if (!fn.guid) {
+ fn.guid = newGUID();
+ } // Create the new function that changes the context
-/**
- * Trigger an event for an element
- *
- * @param {Element|Object} elem
- * Element to trigger an event on
- *
- * @param {EventTarget~Event|string} event
- * A string (the type) or an event object with a type attribute
- *
- * @param {Object} [hash]
- * data hash to pass along with the event
- *
- * @return {boolean|undefined}
- * - Returns the opposite of `defaultPrevented` if default was prevented
- * - Otherwise returns undefined
- */
-function trigger(elem, event, hash) {
- // Fetches element data and a reference to the parent (for bubbling).
- // Don't want to add a data object to cache for every parent,
- // so checking hasElData first.
- var elemData = hasData(elem) ? getData(elem) : {};
- var parent = elem.parentNode || elem.ownerDocument;
- // type = event.type || event,
- // handler;
-
- // If an event name was passed as a string, creates an event out of it
- if (typeof event === 'string') {
- event = { type: event, target: elem };
- } else if (!event.target) {
- event.target = elem;
- }
- // Normalizes the event properties.
- event = fixEvent(event);
+ var bound = fn.bind(context); // Allow for the ability to individualize this function
+ // Needed in the case where multiple objects might share the same prototype
+ // IF both items add an event listener with the same function, then you try to remove just one
+ // it will remove both because they both have the same guid.
+ // when using this, you need to use the bind method when you remove the listener as well.
+ // currently used in text tracks
- // If the passed element has a dispatcher, executes the established handlers.
- if (elemData.dispatcher) {
- elemData.dispatcher.call(elem, event, hash);
- }
+ bound.guid = uid ? uid + '_' + fn.guid : fn.guid;
+ return bound;
+ };
+ /**
+ * Wraps the given function, `fn`, with a new function that only invokes `fn`
+ * at most once per every `wait` milliseconds.
+ *
+ * @function
+ * @param {Function} fn
+ * The function to be throttled.
+ *
+ * @param {number} wait
+ * The number of milliseconds by which to throttle.
+ *
+ * @return {Function}
+ */
- // Unless explicitly stopped or the event does not bubble (e.g. media events)
- // recursively calls this function to bubble the event up the DOM.
- if (parent && !event.isPropagationStopped() && event.bubbles === true) {
- trigger.call(null, parent, event, hash);
+ var throttle = function throttle(fn, wait) {
+ var last = window$3.performance.now();
- // If at the top of the DOM, triggers the default action unless disabled.
- } else if (!parent && !event.defaultPrevented) {
- var targetData = getData(event.target);
+ var throttled = function throttled() {
+ var now = window$3.performance.now();
- // Checks if the target has a default action for this event.
- if (event.target[event.type]) {
- // Temporarily disables event dispatching on the target as we have already executed the handler.
- targetData.disabled = true;
- // Executes the default action.
- if (typeof event.target[event.type] === 'function') {
- event.target[event.type]();
+ if (now - last >= wait) {
+ fn.apply(void 0, arguments);
+ last = now;
}
- // Re-enables event dispatching.
- targetData.disabled = false;
- }
- }
-
- // Inform the triggerer if the default was prevented by returning false
- return !event.defaultPrevented;
-}
+ };
-/**
- * Trigger a listener only once for an event
- *
- * @param {Element|Object} elem
- * Element or object to bind to.
- *
- * @param {string|string[]} type
- * Name/type of event
- *
- * @param {Event~EventListener} fn
- * Event Listener function
- */
-function one(elem, type, fn) {
- if (Array.isArray(type)) {
- return _handleMultipleEvents(one, elem, type, fn);
- }
- var func = function func() {
- off(elem, type, func);
- fn.apply(this, arguments);
+ return throttled;
};
+ /**
+ * Creates a debounced function that delays invoking `func` until after `wait`
+ * milliseconds have elapsed since the last time the debounced function was
+ * invoked.
+ *
+ * Inspired by lodash and underscore implementations.
+ *
+ * @function
+ * @param {Function} func
+ * The function to wrap with debounce behavior.
+ *
+ * @param {number} wait
+ * The number of milliseconds to wait after the last invocation.
+ *
+ * @param {boolean} [immediate]
+ * Whether or not to invoke the function immediately upon creation.
+ *
+ * @param {Object} [context=window]
+ * The "context" in which the debounced function should debounce. For
+ * example, if this function should be tied to a Video.js player,
+ * the player can be passed here. Alternatively, defaults to the
+ * global `window` object.
+ *
+ * @return {Function}
+ * A debounced function.
+ */
- // copy the guid to the new function so it can removed using the original function's ID
- func.guid = fn.guid = fn.guid || newGUID();
- on(elem, type, func);
-}
+ var debounce = function debounce(func, wait, immediate, context) {
+ if (context === void 0) {
+ context = window$3;
+ }
-var Events = (Object.freeze || Object)({
- fixEvent: fixEvent,
- on: on,
- off: off,
- trigger: trigger,
- one: one
-});
+ var timeout;
-/**
- * @file setup.js - Functions for setting up a player without
- * user interaction based on the data-setup `attribute` of the video tag.
- *
- * @module setup
- */
-var _windowLoaded = false;
-var videojs$2 = void 0;
+ var cancel = function cancel() {
+ context.clearTimeout(timeout);
+ timeout = null;
+ };
+ /* eslint-disable consistent-this */
-/**
- * Set up any tags that have a data-setup `attribute` when the player is started.
- */
-var autoSetup = function autoSetup() {
- // Protect against breakage in non-browser environments.
- if (!isReal()) {
- return;
- }
+ var debounced = function debounced() {
+ var self = this;
+ var args = arguments;
- // One day, when we stop supporting IE8, go back to this, but in the meantime...*hack hack hack*
- // var vids = Array.prototype.slice.call(document.getElementsByTagName('video'));
- // var audios = Array.prototype.slice.call(document.getElementsByTagName('audio'));
- // var mediaEls = vids.concat(audios);
+ var _later = function later() {
+ timeout = null;
+ _later = null;
- // Because IE8 doesn't support calling slice on a node list, we need to loop
- // through each list of elements to build up a new, combined list of elements.
- var vids = document_1.getElementsByTagName('video');
- var audios = document_1.getElementsByTagName('audio');
- var divs = document_1.getElementsByTagName('video-js');
- var mediaEls = [];
+ if (!immediate) {
+ func.apply(self, args);
+ }
+ };
- if (vids && vids.length > 0) {
- for (var i = 0, e = vids.length; i < e; i++) {
- mediaEls.push(vids[i]);
- }
- }
+ if (!timeout && immediate) {
+ func.apply(self, args);
+ }
- if (audios && audios.length > 0) {
- for (var _i = 0, _e = audios.length; _i < _e; _i++) {
- mediaEls.push(audios[_i]);
- }
- }
+ context.clearTimeout(timeout);
+ timeout = context.setTimeout(_later, wait);
+ };
+ /* eslint-enable consistent-this */
- if (divs && divs.length > 0) {
- for (var _i2 = 0, _e2 = divs.length; _i2 < _e2; _i2++) {
- mediaEls.push(divs[_i2]);
- }
- }
- // Check if any media elements exist
- if (mediaEls && mediaEls.length > 0) {
+ debounced.cancel = cancel;
+ return debounced;
+ };
- for (var _i3 = 0, _e3 = mediaEls.length; _i3 < _e3; _i3++) {
- var mediaEl = mediaEls[_i3];
+ /**
+ * @file src/js/event-target.js
+ */
+ /**
+ * `EventTarget` is a class that can have the same API as the DOM `EventTarget`. It
+ * adds shorthand functions that wrap around lengthy functions. For example:
+ * the `on` function is a wrapper around `addEventListener`.
+ *
+ * @see [EventTarget Spec]{@link https://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-EventTarget}
+ * @class EventTarget
+ */
- // Check if element exists, has getAttribute func.
- // IE seems to consider typeof el.getAttribute == 'object' instead of
- // 'function' like expected, at least when loading the player immediately.
- if (mediaEl && mediaEl.getAttribute) {
+ var EventTarget = function EventTarget() {};
+ /**
+ * A Custom DOM event.
+ *
+ * @typedef {Object} EventTarget~Event
+ * @see [Properties]{@link https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent}
+ */
- // Make sure this player hasn't already been set up.
- if (mediaEl.player === undefined) {
- var options = mediaEl.getAttribute('data-setup');
+ /**
+ * All event listeners should follow the following format.
+ *
+ * @callback EventTarget~EventListener
+ * @this {EventTarget}
+ *
+ * @param {EventTarget~Event} event
+ * the event that triggered this function
+ *
+ * @param {Object} [hash]
+ * hash of data sent during the event
+ */
- // Check if data-setup attr exists.
- // We only auto-setup if they've added the data-setup attr.
- if (options !== null) {
- // Create new video.js instance.
- videojs$2(mediaEl);
- }
- }
+ /**
+ * An object containing event names as keys and booleans as values.
+ *
+ * > NOTE: If an event name is set to a true value here {@link EventTarget#trigger}
+ * will have extra functionality. See that function for more information.
+ *
+ * @property EventTarget.prototype.allowedEvents_
+ * @private
+ */
- // If getAttribute isn't defined, we need to wait for the DOM.
- } else {
- autoSetupTimeout(1);
- break;
- }
- }
- // No videos were found, so keep looping unless page is finished loading.
- } else if (!_windowLoaded) {
- autoSetupTimeout(1);
- }
-};
+ EventTarget.prototype.allowedEvents_ = {};
+ /**
+ * Adds an `event listener` to an instance of an `EventTarget`. An `event listener` is a
+ * function that will get called when an event with a certain name gets triggered.
+ *
+ * @param {string|string[]} type
+ * An event name or an array of event names.
+ *
+ * @param {EventTarget~EventListener} fn
+ * The function to call with `EventTarget`s
+ */
-/**
- * Wait until the page is loaded before running autoSetup. This will be called in
- * autoSetup if `hasLoaded` returns false.
- *
- * @param {number} wait
- * How long to wait in ms
- *
- * @param {module:videojs} [vjs]
- * The videojs library function
- */
-function autoSetupTimeout(wait, vjs) {
- if (vjs) {
- videojs$2 = vjs;
- }
+ EventTarget.prototype.on = function (type, fn) {
+ // Remove the addEventListener alias before calling Events.on
+ // so we don't get into an infinite type loop
+ var ael = this.addEventListener;
- window_1.setTimeout(autoSetup, wait);
-}
+ this.addEventListener = function () {};
-if (isReal() && document_1.readyState === 'complete') {
- _windowLoaded = true;
-} else {
+ on(this, type, fn);
+ this.addEventListener = ael;
+ };
/**
- * Listen for the load event on window, and set _windowLoaded to true.
+ * An alias of {@link EventTarget#on}. Allows `EventTarget` to mimic
+ * the standard DOM API.
*
- * @listens load
+ * @function
+ * @see {@link EventTarget#on}
*/
- one(window_1, 'load', function () {
- _windowLoaded = true;
- });
-}
-/**
- * @file stylesheet.js
- * @module stylesheet
- */
-/**
- * Create a DOM syle element given a className for it.
- *
- * @param {string} className
- * The className to add to the created style element.
- *
- * @return {Element}
- * The element that was created.
- */
-var createStyleElement = function createStyleElement(className) {
- var style = document_1.createElement('style');
- style.className = className;
+ EventTarget.prototype.addEventListener = EventTarget.prototype.on;
+ /**
+ * Removes an `event listener` for a specific event from an instance of `EventTarget`.
+ * This makes it so that the `event listener` will no longer get called when the
+ * named event happens.
+ *
+ * @param {string|string[]} type
+ * An event name or an array of event names.
+ *
+ * @param {EventTarget~EventListener} fn
+ * The function to remove.
+ */
- return style;
-};
+ EventTarget.prototype.off = function (type, fn) {
+ off(this, type, fn);
+ };
+ /**
+ * An alias of {@link EventTarget#off}. Allows `EventTarget` to mimic
+ * the standard DOM API.
+ *
+ * @function
+ * @see {@link EventTarget#off}
+ */
-/**
- * Add text to a DOM element.
- *
- * @param {Element} el
- * The Element to add text content to.
- *
- * @param {string} content
- * The text to add to the element.
- */
-var setTextContent = function setTextContent(el, content) {
- if (el.styleSheet) {
- el.styleSheet.cssText = content;
- } else {
- el.textContent = content;
- }
-};
-/**
- * @file fn.js
- * @module fn
- */
-/**
- * Bind (a.k.a proxy or Context). A simple method for changing the context of a function
- * It also stores a unique id on the function so it can be easily removed from events.
- *
- * @param {Mixed} context
- * The object to bind as scope.
- *
- * @param {Function} fn
- * The function to be bound to a scope.
- *
- * @param {number} [uid]
- * An optional unique ID for the function to be set
- *
- * @return {Function}
- * The new function that will be bound into the context given
- */
-var bind = function bind(context, fn, uid) {
- // Make sure the function has a unique ID
- if (!fn.guid) {
- fn.guid = newGUID();
- }
+ EventTarget.prototype.removeEventListener = EventTarget.prototype.off;
+ /**
+ * This function will add an `event listener` that gets triggered only once. After the
+ * first trigger it will get removed. This is like adding an `event listener`
+ * with {@link EventTarget#on} that calls {@link EventTarget#off} on itself.
+ *
+ * @param {string|string[]} type
+ * An event name or an array of event names.
+ *
+ * @param {EventTarget~EventListener} fn
+ * The function to be called once for each event name.
+ */
- // Create the new function that changes the context
- var bound = function bound() {
- return fn.apply(context, arguments);
- };
+ EventTarget.prototype.one = function (type, fn) {
+ // Remove the addEventListener aliasing Events.on
+ // so we don't get into an infinite type loop
+ var ael = this.addEventListener;
- // Allow for the ability to individualize this function
- // Needed in the case where multiple objects might share the same prototype
- // IF both items add an event listener with the same function, then you try to remove just one
- // it will remove both because they both have the same guid.
- // when using this, you need to use the bind method when you remove the listener as well.
- // currently used in text tracks
- bound.guid = uid ? uid + '_' + fn.guid : fn.guid;
+ this.addEventListener = function () {};
- return bound;
-};
+ one(this, type, fn);
+ this.addEventListener = ael;
+ };
-/**
- * Wraps the given function, `fn`, with a new function that only invokes `fn`
- * at most once per every `wait` milliseconds.
- *
- * @param {Function} fn
- * The function to be throttled.
- *
- * @param {Number} wait
- * The number of milliseconds by which to throttle.
- *
- * @return {Function}
- */
-var throttle = function throttle(fn, wait) {
- var last = Date.now();
+ EventTarget.prototype.any = function (type, fn) {
+ // Remove the addEventListener aliasing Events.on
+ // so we don't get into an infinite type loop
+ var ael = this.addEventListener;
- var throttled = function throttled() {
- var now = Date.now();
+ this.addEventListener = function () {};
- if (now - last >= wait) {
- fn.apply(undefined, arguments);
- last = now;
- }
+ any(this, type, fn);
+ this.addEventListener = ael;
};
+ /**
+ * This function causes an event to happen. This will then cause any `event listeners`
+ * that are waiting for that event, to get called. If there are no `event listeners`
+ * for an event then nothing will happen.
+ *
+ * If the name of the `Event` that is being triggered is in `EventTarget.allowedEvents_`.
+ * Trigger will also call the `on` + `uppercaseEventName` function.
+ *
+ * Example:
+ * 'click' is in `EventTarget.allowedEvents_`, so, trigger will attempt to call
+ * `onClick` if it exists.
+ *
+ * @param {string|EventTarget~Event|Object} event
+ * The name of the event, an `Event`, or an object with a key of type set to
+ * an event name.
+ */
- return throttled;
-};
-
-/**
- * Creates a debounced function that delays invoking `func` until after `wait`
- * milliseconds have elapsed since the last time the debounced function was
- * invoked.
- *
- * Inspired by lodash and underscore implementations.
- *
- * @param {Function} func
- * The function to wrap with debounce behavior.
- *
- * @param {number} wait
- * The number of milliseconds to wait after the last invocation.
- *
- * @param {boolean} [immediate]
- * Whether or not to invoke the function immediately upon creation.
- *
- * @param {Object} [context=window]
- * The "context" in which the debounced function should debounce. For
- * example, if this function should be tied to a Video.js player,
- * the player can be passed here. Alternatively, defaults to the
- * global `window` object.
- *
- * @return {Function}
- * A debounced function.
- */
-var debounce = function debounce(func, wait, immediate) {
- var context = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : window_1;
- var timeout = void 0;
+ EventTarget.prototype.trigger = function (event) {
+ var type = event.type || event; // deprecation
+ // In a future version we should default target to `this`
+ // similar to how we default the target to `elem` in
+ // `Events.trigger`. Right now the default `target` will be
+ // `document` due to the `Event.fixEvent` call.
- /* eslint-disable consistent-this */
- return function () {
- var self = this;
- var args = arguments;
+ if (typeof event === 'string') {
+ event = {
+ type: type
+ };
+ }
- var _later = function later() {
- timeout = null;
- _later = null;
- if (!immediate) {
- func.apply(self, args);
- }
- };
+ event = fixEvent(event);
- if (!timeout && immediate) {
- func.apply(self, args);
+ if (this.allowedEvents_[type] && this['on' + type]) {
+ this['on' + type](event);
}
- context.clearTimeout(timeout);
- timeout = context.setTimeout(_later, wait);
+ trigger(this, event);
};
- /* eslint-enable consistent-this */
-};
+ /**
+ * An alias of {@link EventTarget#trigger}. Allows `EventTarget` to mimic
+ * the standard DOM API.
+ *
+ * @function
+ * @see {@link EventTarget#trigger}
+ */
-/**
- * @file src/js/event-target.js
- */
-/**
- * `EventTarget` is a class that can have the same API as the DOM `EventTarget`. It
- * adds shorthand functions that wrap around lengthy functions. For example:
- * the `on` function is a wrapper around `addEventListener`.
- *
- * @see [EventTarget Spec]{@link https://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-EventTarget}
- * @class EventTarget
- */
-var EventTarget = function EventTarget() {};
-/**
- * A Custom DOM event.
- *
- * @typedef {Object} EventTarget~Event
- * @see [Properties]{@link https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent}
- */
+ EventTarget.prototype.dispatchEvent = EventTarget.prototype.trigger;
+ var EVENT_MAP;
-/**
- * All event listeners should follow the following format.
- *
- * @callback EventTarget~EventListener
- * @this {EventTarget}
- *
- * @param {EventTarget~Event} event
- * the event that triggered this function
- *
- * @param {Object} [hash]
- * hash of data sent during the event
- */
+ EventTarget.prototype.queueTrigger = function (event) {
+ var _this = this;
-/**
- * An object containing event names as keys and booleans as values.
- *
- * > NOTE: If an event name is set to a true value here {@link EventTarget#trigger}
- * will have extra functionality. See that function for more information.
- *
- * @property EventTarget.prototype.allowedEvents_
- * @private
- */
-EventTarget.prototype.allowedEvents_ = {};
+ // only set up EVENT_MAP if it'll be used
+ if (!EVENT_MAP) {
+ EVENT_MAP = new Map();
+ }
-/**
- * Adds an `event listener` to an instance of an `EventTarget`. An `event listener` is a
- * function that will get called when an event with a certain name gets triggered.
- *
- * @param {string|string[]} type
- * An event name or an array of event names.
- *
- * @param {EventTarget~EventListener} fn
- * The function to call with `EventTarget`s
- */
-EventTarget.prototype.on = function (type, fn) {
- // Remove the addEventListener alias before calling Events.on
- // so we don't get into an infinite type loop
- var ael = this.addEventListener;
+ var type = event.type || event;
+ var map = EVENT_MAP.get(this);
- this.addEventListener = function () {};
- on(this, type, fn);
- this.addEventListener = ael;
-};
+ if (!map) {
+ map = new Map();
+ EVENT_MAP.set(this, map);
+ }
-/**
- * An alias of {@link EventTarget#on}. Allows `EventTarget` to mimic
- * the standard DOM API.
- *
- * @function
- * @see {@link EventTarget#on}
- */
-EventTarget.prototype.addEventListener = EventTarget.prototype.on;
+ var oldTimeout = map.get(type);
+ map["delete"](type);
+ window$3.clearTimeout(oldTimeout);
+ var timeout = window$3.setTimeout(function () {
+ // if we cleared out all timeouts for the current target, delete its map
+ if (map.size === 0) {
+ map = null;
+ EVENT_MAP["delete"](_this);
+ }
-/**
- * Removes an `event listener` for a specific event from an instance of `EventTarget`.
- * This makes it so that the `event listener` will no longer get called when the
- * named event happens.
- *
- * @param {string|string[]} type
- * An event name or an array of event names.
- *
- * @param {EventTarget~EventListener} fn
- * The function to remove.
- */
-EventTarget.prototype.off = function (type, fn) {
- off(this, type, fn);
-};
+ _this.trigger(event);
+ }, 0);
+ map.set(type, timeout);
+ };
-/**
- * An alias of {@link EventTarget#off}. Allows `EventTarget` to mimic
- * the standard DOM API.
- *
- * @function
- * @see {@link EventTarget#off}
- */
-EventTarget.prototype.removeEventListener = EventTarget.prototype.off;
-
-/**
- * This function will add an `event listener` that gets triggered only once. After the
- * first trigger it will get removed. This is like adding an `event listener`
- * with {@link EventTarget#on} that calls {@link EventTarget#off} on itself.
- *
- * @param {string|string[]} type
- * An event name or an array of event names.
- *
- * @param {EventTarget~EventListener} fn
- * The function to be called once for each event name.
- */
-EventTarget.prototype.one = function (type, fn) {
- // Remove the addEventListener alialing Events.on
- // so we don't get into an infinite type loop
- var ael = this.addEventListener;
-
- this.addEventListener = function () {};
- one(this, type, fn);
- this.addEventListener = ael;
-};
-
-/**
- * This function causes an event to happen. This will then cause any `event listeners`
- * that are waiting for that event, to get called. If there are no `event listeners`
- * for an event then nothing will happen.
- *
- * If the name of the `Event` that is being triggered is in `EventTarget.allowedEvents_`.
- * Trigger will also call the `on` + `uppercaseEventName` function.
- *
- * Example:
- * 'click' is in `EventTarget.allowedEvents_`, so, trigger will attempt to call
- * `onClick` if it exists.
- *
- * @param {string|EventTarget~Event|Object} event
- * The name of the event, an `Event`, or an object with a key of type set to
- * an event name.
- */
-EventTarget.prototype.trigger = function (event) {
- var type = event.type || event;
-
- if (typeof event === 'string') {
- event = { type: type };
- }
- event = fixEvent(event);
-
- if (this.allowedEvents_[type] && this['on' + type]) {
- this['on' + type](event);
- }
-
- trigger(this, event);
-};
+ /**
+ * @file mixins/evented.js
+ * @module evented
+ */
+ /**
+ * Returns whether or not an object has had the evented mixin applied.
+ *
+ * @param {Object} object
+ * An object to test.
+ *
+ * @return {boolean}
+ * Whether or not the object appears to be evented.
+ */
-/**
- * An alias of {@link EventTarget#trigger}. Allows `EventTarget` to mimic
- * the standard DOM API.
- *
- * @function
- * @see {@link EventTarget#trigger}
- */
-EventTarget.prototype.dispatchEvent = EventTarget.prototype.trigger;
+ var isEvented = function isEvented(object) {
+ return object instanceof EventTarget || !!object.eventBusEl_ && ['on', 'one', 'off', 'trigger'].every(function (k) {
+ return typeof object[k] === 'function';
+ });
+ };
+ /**
+ * Adds a callback to run after the evented mixin applied.
+ *
+ * @param {Object} object
+ * An object to Add
+ * @param {Function} callback
+ * The callback to run.
+ */
-/**
- * @file mixins/evented.js
- * @module evented
- */
-/**
- * Returns whether or not an object has had the evented mixin applied.
- *
- * @param {Object} object
- * An object to test.
- *
- * @return {boolean}
- * Whether or not the object appears to be evented.
- */
-var isEvented = function isEvented(object) {
- return object instanceof EventTarget || !!object.eventBusEl_ && ['on', 'one', 'off', 'trigger'].every(function (k) {
- return typeof object[k] === 'function';
- });
-};
-/**
- * Whether a value is a valid event type - non-empty string or array.
- *
- * @private
- * @param {string|Array} type
- * The type value to test.
- *
- * @return {boolean}
- * Whether or not the type is a valid event type.
- */
-var isValidEventType = function isValidEventType(type) {
- return (
- // The regex here verifies that the `type` contains at least one non-
- // whitespace character.
- typeof type === 'string' && /\S/.test(type) || Array.isArray(type) && !!type.length
- );
-};
+ var addEventedCallback = function addEventedCallback(target, callback) {
+ if (isEvented(target)) {
+ callback();
+ } else {
+ if (!target.eventedCallbacks) {
+ target.eventedCallbacks = [];
+ }
-/**
- * Validates a value to determine if it is a valid event target. Throws if not.
- *
- * @private
- * @throws {Error}
- * If the target does not appear to be a valid event target.
- *
- * @param {Object} target
- * The object to test.
- */
-var validateTarget = function validateTarget(target) {
- if (!target.nodeName && !isEvented(target)) {
- throw new Error('Invalid target; must be a DOM node or evented object.');
- }
-};
+ target.eventedCallbacks.push(callback);
+ }
+ };
+ /**
+ * Whether a value is a valid event type - non-empty string or array.
+ *
+ * @private
+ * @param {string|Array} type
+ * The type value to test.
+ *
+ * @return {boolean}
+ * Whether or not the type is a valid event type.
+ */
-/**
- * Validates a value to determine if it is a valid event target. Throws if not.
- *
- * @private
- * @throws {Error}
- * If the type does not appear to be a valid event type.
- *
- * @param {string|Array} type
- * The type to test.
- */
-var validateEventType = function validateEventType(type) {
- if (!isValidEventType(type)) {
- throw new Error('Invalid event type; must be a non-empty string or array.');
- }
-};
-/**
- * Validates a value to determine if it is a valid listener. Throws if not.
- *
- * @private
- * @throws {Error}
- * If the listener is not a function.
- *
- * @param {Function} listener
- * The listener to test.
- */
-var validateListener = function validateListener(listener) {
- if (typeof listener !== 'function') {
- throw new Error('Invalid listener; must be a function.');
- }
-};
+ var isValidEventType = function isValidEventType(type) {
+ return (// The regex here verifies that the `type` contains at least one non-
+ // whitespace character.
+ typeof type === 'string' && /\S/.test(type) || Array.isArray(type) && !!type.length
+ );
+ };
+ /**
+ * Validates a value to determine if it is a valid event target. Throws if not.
+ *
+ * @private
+ * @throws {Error}
+ * If the target does not appear to be a valid event target.
+ *
+ * @param {Object} target
+ * The object to test.
+ */
-/**
- * Takes an array of arguments given to `on()` or `one()`, validates them, and
- * normalizes them into an object.
- *
- * @private
- * @param {Object} self
- * The evented object on which `on()` or `one()` was called. This
- * object will be bound as the `this` value for the listener.
- *
- * @param {Array} args
- * An array of arguments passed to `on()` or `one()`.
- *
- * @return {Object}
- * An object containing useful values for `on()` or `one()` calls.
- */
-var normalizeListenArgs = function normalizeListenArgs(self, args) {
- // If the number of arguments is less than 3, the target is always the
- // evented object itself.
- var isTargetingSelf = args.length < 3 || args[0] === self || args[0] === self.eventBusEl_;
- var target = void 0;
- var type = void 0;
- var listener = void 0;
+ var validateTarget = function validateTarget(target) {
+ if (!target.nodeName && !isEvented(target)) {
+ throw new Error('Invalid target; must be a DOM node or evented object.');
+ }
+ };
+ /**
+ * Validates a value to determine if it is a valid event target. Throws if not.
+ *
+ * @private
+ * @throws {Error}
+ * If the type does not appear to be a valid event type.
+ *
+ * @param {string|Array} type
+ * The type to test.
+ */
- if (isTargetingSelf) {
- target = self.eventBusEl_;
- // Deal with cases where we got 3 arguments, but we are still listening to
- // the evented object itself.
- if (args.length >= 3) {
- args.shift();
+ var validateEventType = function validateEventType(type) {
+ if (!isValidEventType(type)) {
+ throw new Error('Invalid event type; must be a non-empty string or array.');
}
+ };
+ /**
+ * Validates a value to determine if it is a valid listener. Throws if not.
+ *
+ * @private
+ * @throws {Error}
+ * If the listener is not a function.
+ *
+ * @param {Function} listener
+ * The listener to test.
+ */
- type = args[0];
- listener = args[1];
- } else {
- target = args[0];
- type = args[1];
- listener = args[2];
- }
- validateTarget(target);
- validateEventType(type);
- validateListener(listener);
+ var validateListener = function validateListener(listener) {
+ if (typeof listener !== 'function') {
+ throw new Error('Invalid listener; must be a function.');
+ }
+ };
+ /**
+ * Takes an array of arguments given to `on()` or `one()`, validates them, and
+ * normalizes them into an object.
+ *
+ * @private
+ * @param {Object} self
+ * The evented object on which `on()` or `one()` was called. This
+ * object will be bound as the `this` value for the listener.
+ *
+ * @param {Array} args
+ * An array of arguments passed to `on()` or `one()`.
+ *
+ * @return {Object}
+ * An object containing useful values for `on()` or `one()` calls.
+ */
- listener = bind(self, listener);
- return { isTargetingSelf: isTargetingSelf, target: target, type: type, listener: listener };
-};
+ var normalizeListenArgs = function normalizeListenArgs(self, args) {
+ // If the number of arguments is less than 3, the target is always the
+ // evented object itself.
+ var isTargetingSelf = args.length < 3 || args[0] === self || args[0] === self.eventBusEl_;
+ var target;
+ var type;
+ var listener;
-/**
- * Adds the listener to the event type(s) on the target, normalizing for
- * the type of target.
- *
- * @private
- * @param {Element|Object} target
- * A DOM node or evented object.
- *
- * @param {string} method
- * The event binding method to use ("on" or "one").
- *
- * @param {string|Array} type
- * One or more event type(s).
- *
- * @param {Function} listener
- * A listener function.
- */
-var listen = function listen(target, method, type, listener) {
- validateTarget(target);
+ if (isTargetingSelf) {
+ target = self.eventBusEl_; // Deal with cases where we got 3 arguments, but we are still listening to
+ // the evented object itself.
- if (target.nodeName) {
- Events[method](target, type, listener);
- } else {
- target[method](type, listener);
- }
-};
+ if (args.length >= 3) {
+ args.shift();
+ }
-/**
- * Contains methods that provide event capabilites to an object which is passed
- * to {@link module:evented|evented}.
- *
- * @mixin EventedMixin
- */
-var EventedMixin = {
+ type = args[0];
+ listener = args[1];
+ } else {
+ target = args[0];
+ type = args[1];
+ listener = args[2];
+ }
+ validateTarget(target);
+ validateEventType(type);
+ validateListener(listener);
+ listener = bind(self, listener);
+ return {
+ isTargetingSelf: isTargetingSelf,
+ target: target,
+ type: type,
+ listener: listener
+ };
+ };
/**
- * Add a listener to an event (or events) on this object or another evented
- * object.
- *
- * @param {string|Array|Element|Object} targetOrType
- * If this is a string or array, it represents the event type(s)
- * that will trigger the listener.
+ * Adds the listener to the event type(s) on the target, normalizing for
+ * the type of target.
*
- * Another evented object can be passed here instead, which will
- * cause the listener to listen for events on _that_ object.
+ * @private
+ * @param {Element|Object} target
+ * A DOM node or evented object.
*
- * In either case, the listener's `this` value will be bound to
- * this object.
+ * @param {string} method
+ * The event binding method to use ("on" or "one").
*
- * @param {string|Array|Function} typeOrListener
- * If the first argument was a string or array, this should be the
- * listener function. Otherwise, this is a string or array of event
- * type(s).
+ * @param {string|Array} type
+ * One or more event type(s).
*
- * @param {Function} [listener]
- * If the first argument was another evented object, this will be
- * the listener function.
+ * @param {Function} listener
+ * A listener function.
*/
- on: function on$$1() {
- var _this = this;
- for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
- args[_key] = arguments[_key];
- }
- var _normalizeListenArgs = normalizeListenArgs(this, args),
- isTargetingSelf = _normalizeListenArgs.isTargetingSelf,
- target = _normalizeListenArgs.target,
- type = _normalizeListenArgs.type,
- listener = _normalizeListenArgs.listener;
+ var listen = function listen(target, method, type, listener) {
+ validateTarget(target);
- listen(target, 'on', type, listener);
+ if (target.nodeName) {
+ Events[method](target, type, listener);
+ } else {
+ target[method](type, listener);
+ }
+ };
+ /**
+ * Contains methods that provide event capabilities to an object which is passed
+ * to {@link module:evented|evented}.
+ *
+ * @mixin EventedMixin
+ */
- // If this object is listening to another evented object.
- if (!isTargetingSelf) {
- // If this object is disposed, remove the listener.
- var removeListenerOnDispose = function removeListenerOnDispose() {
- return _this.off(target, type, listener);
- };
+ var EventedMixin = {
+ /**
+ * Add a listener to an event (or events) on this object or another evented
+ * object.
+ *
+ * @param {string|Array|Element|Object} targetOrType
+ * If this is a string or array, it represents the event type(s)
+ * that will trigger the listener.
+ *
+ * Another evented object can be passed here instead, which will
+ * cause the listener to listen for events on _that_ object.
+ *
+ * In either case, the listener's `this` value will be bound to
+ * this object.
+ *
+ * @param {string|Array|Function} typeOrListener
+ * If the first argument was a string or array, this should be the
+ * listener function. Otherwise, this is a string or array of event
+ * type(s).
+ *
+ * @param {Function} [listener]
+ * If the first argument was another evented object, this will be
+ * the listener function.
+ */
+ on: function on() {
+ var _this = this;
- // Use the same function ID as the listener so we can remove it later it
- // using the ID of the original listener.
- removeListenerOnDispose.guid = listener.guid;
+ for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
+ args[_key] = arguments[_key];
+ }
- // Add a listener to the target's dispose event as well. This ensures
- // that if the target is disposed BEFORE this object, we remove the
- // removal listener that was just added. Otherwise, we create a memory leak.
- var removeRemoverOnTargetDispose = function removeRemoverOnTargetDispose() {
- return _this.off('dispose', removeListenerOnDispose);
- };
+ var _normalizeListenArgs = normalizeListenArgs(this, args),
+ isTargetingSelf = _normalizeListenArgs.isTargetingSelf,
+ target = _normalizeListenArgs.target,
+ type = _normalizeListenArgs.type,
+ listener = _normalizeListenArgs.listener;
- // Use the same function ID as the listener so we can remove it later
- // it using the ID of the original listener.
- removeRemoverOnTargetDispose.guid = listener.guid;
+ listen(target, 'on', type, listener); // If this object is listening to another evented object.
- listen(this, 'on', 'dispose', removeListenerOnDispose);
- listen(target, 'on', 'dispose', removeRemoverOnTargetDispose);
- }
- },
+ if (!isTargetingSelf) {
+ // If this object is disposed, remove the listener.
+ var removeListenerOnDispose = function removeListenerOnDispose() {
+ return _this.off(target, type, listener);
+ }; // Use the same function ID as the listener so we can remove it later it
+ // using the ID of the original listener.
- /**
- * Add a listener to an event (or events) on this object or another evented
- * object. The listener will only be called once and then removed.
- *
- * @param {string|Array|Element|Object} targetOrType
- * If this is a string or array, it represents the event type(s)
- * that will trigger the listener.
- *
- * Another evented object can be passed here instead, which will
- * cause the listener to listen for events on _that_ object.
- *
- * In either case, the listener's `this` value will be bound to
- * this object.
- *
- * @param {string|Array|Function} typeOrListener
- * If the first argument was a string or array, this should be the
- * listener function. Otherwise, this is a string or array of event
- * type(s).
- *
- * @param {Function} [listener]
- * If the first argument was another evented object, this will be
- * the listener function.
- */
- one: function one$$1() {
- var _this2 = this;
+ removeListenerOnDispose.guid = listener.guid; // Add a listener to the target's dispose event as well. This ensures
+ // that if the target is disposed BEFORE this object, we remove the
+ // removal listener that was just added. Otherwise, we create a memory leak.
- for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
- args[_key2] = arguments[_key2];
- }
+ var removeRemoverOnTargetDispose = function removeRemoverOnTargetDispose() {
+ return _this.off('dispose', removeListenerOnDispose);
+ }; // Use the same function ID as the listener so we can remove it later
+ // it using the ID of the original listener.
- var _normalizeListenArgs2 = normalizeListenArgs(this, args),
- isTargetingSelf = _normalizeListenArgs2.isTargetingSelf,
- target = _normalizeListenArgs2.target,
- type = _normalizeListenArgs2.type,
- listener = _normalizeListenArgs2.listener;
- // Targeting this evented object.
+ removeRemoverOnTargetDispose.guid = listener.guid;
+ listen(this, 'on', 'dispose', removeListenerOnDispose);
+ listen(target, 'on', 'dispose', removeRemoverOnTargetDispose);
+ }
+ },
+ /**
+ * Add a listener to an event (or events) on this object or another evented
+ * object. The listener will be called once per event and then removed.
+ *
+ * @param {string|Array|Element|Object} targetOrType
+ * If this is a string or array, it represents the event type(s)
+ * that will trigger the listener.
+ *
+ * Another evented object can be passed here instead, which will
+ * cause the listener to listen for events on _that_ object.
+ *
+ * In either case, the listener's `this` value will be bound to
+ * this object.
+ *
+ * @param {string|Array|Function} typeOrListener
+ * If the first argument was a string or array, this should be the
+ * listener function. Otherwise, this is a string or array of event
+ * type(s).
+ *
+ * @param {Function} [listener]
+ * If the first argument was another evented object, this will be
+ * the listener function.
+ */
+ one: function one() {
+ var _this2 = this;
- if (isTargetingSelf) {
- listen(target, 'one', type, listener);
+ for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
+ args[_key2] = arguments[_key2];
+ }
- // Targeting another evented object.
- } else {
- var wrapper = function wrapper() {
- for (var _len3 = arguments.length, largs = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
- largs[_key3] = arguments[_key3];
- }
+ var _normalizeListenArgs2 = normalizeListenArgs(this, args),
+ isTargetingSelf = _normalizeListenArgs2.isTargetingSelf,
+ target = _normalizeListenArgs2.target,
+ type = _normalizeListenArgs2.type,
+ listener = _normalizeListenArgs2.listener; // Targeting this evented object.
- _this2.off(target, type, wrapper);
- listener.apply(null, largs);
- };
- // Use the same function ID as the listener so we can remove it later
- // it using the ID of the original listener.
- wrapper.guid = listener.guid;
- listen(target, 'one', type, wrapper);
- }
- },
+ if (isTargetingSelf) {
+ listen(target, 'one', type, listener); // Targeting another evented object.
+ } else {
+ // TODO: This wrapper is incorrect! It should only
+ // remove the wrapper for the event type that called it.
+ // Instead all listners are removed on the first trigger!
+ // see https://github.com/videojs/video.js/issues/5962
+ var wrapper = function wrapper() {
+ _this2.off(target, type, wrapper);
+
+ for (var _len3 = arguments.length, largs = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
+ largs[_key3] = arguments[_key3];
+ }
+ listener.apply(null, largs);
+ }; // Use the same function ID as the listener so we can remove it later
+ // it using the ID of the original listener.
- /**
- * Removes listener(s) from event(s) on an evented object.
- *
- * @param {string|Array|Element|Object} [targetOrType]
- * If this is a string or array, it represents the event type(s).
- *
- * Another evented object can be passed here instead, in which case
- * ALL 3 arguments are _required_.
- *
- * @param {string|Array|Function} [typeOrListener]
- * If the first argument was a string or array, this may be the
- * listener function. Otherwise, this is a string or array of event
- * type(s).
- *
- * @param {Function} [listener]
- * If the first argument was another evented object, this will be
- * the listener function; otherwise, _all_ listeners bound to the
- * event type(s) will be removed.
- */
- off: function off$$1(targetOrType, typeOrListener, listener) {
- // Targeting this evented object.
- if (!targetOrType || isValidEventType(targetOrType)) {
- off(this.eventBusEl_, targetOrType, typeOrListener);
+ wrapper.guid = listener.guid;
+ listen(target, 'one', type, wrapper);
+ }
+ },
- // Targeting another evented object.
- } else {
- var target = targetOrType;
- var type = typeOrListener;
+ /**
+ * Add a listener to an event (or events) on this object or another evented
+ * object. The listener will only be called once for the first event that is triggered
+ * then removed.
+ *
+ * @param {string|Array|Element|Object} targetOrType
+ * If this is a string or array, it represents the event type(s)
+ * that will trigger the listener.
+ *
+ * Another evented object can be passed here instead, which will
+ * cause the listener to listen for events on _that_ object.
+ *
+ * In either case, the listener's `this` value will be bound to
+ * this object.
+ *
+ * @param {string|Array|Function} typeOrListener
+ * If the first argument was a string or array, this should be the
+ * listener function. Otherwise, this is a string or array of event
+ * type(s).
+ *
+ * @param {Function} [listener]
+ * If the first argument was another evented object, this will be
+ * the listener function.
+ */
+ any: function any() {
+ var _this3 = this;
- // Fail fast and in a meaningful way!
- validateTarget(target);
- validateEventType(type);
- validateListener(listener);
+ for (var _len4 = arguments.length, args = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
+ args[_key4] = arguments[_key4];
+ }
- // Ensure there's at least a guid, even if the function hasn't been used
- listener = bind(this, listener);
+ var _normalizeListenArgs3 = normalizeListenArgs(this, args),
+ isTargetingSelf = _normalizeListenArgs3.isTargetingSelf,
+ target = _normalizeListenArgs3.target,
+ type = _normalizeListenArgs3.type,
+ listener = _normalizeListenArgs3.listener; // Targeting this evented object.
- // Remove the dispose listener on this evented object, which was given
- // the same guid as the event listener in on().
- this.off('dispose', listener);
- if (target.nodeName) {
- off(target, type, listener);
- off(target, 'dispose', listener);
- } else if (isEvented(target)) {
- target.off(type, listener);
- target.off('dispose', listener);
- }
- }
- },
+ if (isTargetingSelf) {
+ listen(target, 'any', type, listener); // Targeting another evented object.
+ } else {
+ var wrapper = function wrapper() {
+ _this3.off(target, type, wrapper);
+ for (var _len5 = arguments.length, largs = new Array(_len5), _key5 = 0; _key5 < _len5; _key5++) {
+ largs[_key5] = arguments[_key5];
+ }
- /**
- * Fire an event on this evented object, causing its listeners to be called.
- *
- * @param {string|Object} event
- * An event type or an object with a type property.
- *
- * @param {Object} [hash]
- * An additional object to pass along to listeners.
- *
- * @returns {boolean}
- * Whether or not the default behavior was prevented.
- */
- trigger: function trigger$$1(event, hash) {
- return trigger(this.eventBusEl_, event, hash);
- }
-};
+ listener.apply(null, largs);
+ }; // Use the same function ID as the listener so we can remove it later
+ // it using the ID of the original listener.
-/**
- * Applies {@link module:evented~EventedMixin|EventedMixin} to a target object.
- *
- * @param {Object} target
- * The object to which to add event methods.
- *
- * @param {Object} [options={}]
- * Options for customizing the mixin behavior.
- *
- * @param {String} [options.eventBusKey]
- * By default, adds a `eventBusEl_` DOM element to the target object,
- * which is used as an event bus. If the target object already has a
- * DOM element that should be used, pass its key here.
- *
- * @return {Object}
- * The target object.
- */
-function evented(target) {
- var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
- var eventBusKey = options.eventBusKey;
- // Set or create the eventBusEl_.
+ wrapper.guid = listener.guid;
+ listen(target, 'any', type, wrapper);
+ }
+ },
- if (eventBusKey) {
- if (!target[eventBusKey].nodeName) {
- throw new Error('The eventBusKey "' + eventBusKey + '" does not refer to an element.');
- }
- target.eventBusEl_ = target[eventBusKey];
- } else {
- target.eventBusEl_ = createEl('span', { className: 'vjs-event-bus' });
- }
+ /**
+ * Removes listener(s) from event(s) on an evented object.
+ *
+ * @param {string|Array|Element|Object} [targetOrType]
+ * If this is a string or array, it represents the event type(s).
+ *
+ * Another evented object can be passed here instead, in which case
+ * ALL 3 arguments are _required_.
+ *
+ * @param {string|Array|Function} [typeOrListener]
+ * If the first argument was a string or array, this may be the
+ * listener function. Otherwise, this is a string or array of event
+ * type(s).
+ *
+ * @param {Function} [listener]
+ * If the first argument was another evented object, this will be
+ * the listener function; otherwise, _all_ listeners bound to the
+ * event type(s) will be removed.
+ */
+ off: function off$1(targetOrType, typeOrListener, listener) {
+ // Targeting this evented object.
+ if (!targetOrType || isValidEventType(targetOrType)) {
+ off(this.eventBusEl_, targetOrType, typeOrListener); // Targeting another evented object.
+ } else {
+ var target = targetOrType;
+ var type = typeOrListener; // Fail fast and in a meaningful way!
- assign(target, EventedMixin);
+ validateTarget(target);
+ validateEventType(type);
+ validateListener(listener); // Ensure there's at least a guid, even if the function hasn't been used
- // When any evented object is disposed, it removes all its listeners.
- target.on('dispose', function () {
- target.off();
- window_1.setTimeout(function () {
- target.eventBusEl_ = null;
- }, 0);
- });
+ listener = bind(this, listener); // Remove the dispose listener on this evented object, which was given
+ // the same guid as the event listener in on().
- return target;
-}
+ this.off('dispose', listener);
-/**
- * @file mixins/stateful.js
- * @module stateful
- */
-/**
- * Contains methods that provide statefulness to an object which is passed
- * to {@link module:stateful}.
- *
- * @mixin StatefulMixin
- */
-var StatefulMixin = {
+ if (target.nodeName) {
+ off(target, type, listener);
+ off(target, 'dispose', listener);
+ } else if (isEvented(target)) {
+ target.off(type, listener);
+ target.off('dispose', listener);
+ }
+ }
+ },
+ /**
+ * Fire an event on this evented object, causing its listeners to be called.
+ *
+ * @param {string|Object} event
+ * An event type or an object with a type property.
+ *
+ * @param {Object} [hash]
+ * An additional object to pass along to listeners.
+ *
+ * @return {boolean}
+ * Whether or not the default behavior was prevented.
+ */
+ trigger: function trigger$1(event, hash) {
+ return trigger(this.eventBusEl_, event, hash);
+ }
+ };
/**
- * A hash containing arbitrary keys and values representing the state of
- * the object.
+ * Applies {@link module:evented~EventedMixin|EventedMixin} to a target object.
*
- * @type {Object}
- */
- state: {},
-
- /**
- * Set the state of an object by mutating its
- * {@link module:stateful~StatefulMixin.state|state} object in place.
+ * @param {Object} target
+ * The object to which to add event methods.
+ *
+ * @param {Object} [options={}]
+ * Options for customizing the mixin behavior.
*
- * @fires module:stateful~StatefulMixin#statechanged
- * @param {Object|Function} stateUpdates
- * A new set of properties to shallow-merge into the plugin state.
- * Can be a plain object or a function returning a plain object.
+ * @param {string} [options.eventBusKey]
+ * By default, adds a `eventBusEl_` DOM element to the target object,
+ * which is used as an event bus. If the target object already has a
+ * DOM element that should be used, pass its key here.
*
- * @returns {Object|undefined}
- * An object containing changes that occurred. If no changes
- * occurred, returns `undefined`.
+ * @return {Object}
+ * The target object.
*/
- setState: function setState(stateUpdates) {
- var _this = this;
- // Support providing the `stateUpdates` state as a function.
- if (typeof stateUpdates === 'function') {
- stateUpdates = stateUpdates();
+ function evented(target, options) {
+ if (options === void 0) {
+ options = {};
}
- var changes = void 0;
+ var _options = options,
+ eventBusKey = _options.eventBusKey; // Set or create the eventBusEl_.
- each(stateUpdates, function (value, key) {
-
- // Record the change if the value is different from what's in the
- // current state.
- if (_this.state[key] !== value) {
- changes = changes || {};
- changes[key] = {
- from: _this.state[key],
- to: value
- };
+ if (eventBusKey) {
+ if (!target[eventBusKey].nodeName) {
+ throw new Error("The eventBusKey \"" + eventBusKey + "\" does not refer to an element.");
}
- _this.state[key] = value;
- });
-
- // Only trigger "statechange" if there were changes AND we have a trigger
- // function. This allows us to not require that the target object be an
- // evented object.
- if (changes && isEvented(this)) {
-
- /**
- * An event triggered on an object that is both
- * {@link module:stateful|stateful} and {@link module:evented|evented}
- * indicating that its state has changed.
- *
- * @event module:stateful~StatefulMixin#statechanged
- * @type {Object}
- * @property {Object} changes
- * A hash containing the properties that were changed and
- * the values they were changed `from` and `to`.
- */
- this.trigger({
- changes: changes,
- type: 'statechanged'
+ target.eventBusEl_ = target[eventBusKey];
+ } else {
+ target.eventBusEl_ = createEl('span', {
+ className: 'vjs-event-bus'
});
}
- return changes;
- }
-};
-
-/**
- * Applies {@link module:stateful~StatefulMixin|StatefulMixin} to a target
- * object.
- *
- * If the target object is {@link module:evented|evented} and has a
- * `handleStateChanged` method, that method will be automatically bound to the
- * `statechanged` event on itself.
- *
- * @param {Object} target
- * The object to be made stateful.
- *
- * @param {Object} [defaultState]
- * A default set of properties to populate the newly-stateful object's
- * `state` property.
- *
- * @returns {Object}
- * Returns the `target`.
- */
-function stateful(target, defaultState) {
- assign(target, StatefulMixin);
-
- // This happens after the mixing-in because we need to replace the `state`
- // added in that step.
- target.state = assign({}, target.state, defaultState);
-
- // Auto-bind the `handleStateChanged` method of the target object if it exists.
- if (typeof target.handleStateChanged === 'function' && isEvented(target)) {
- target.on('statechanged', target.handleStateChanged);
- }
-
- return target;
-}
-
-/**
- * @file to-title-case.js
- * @module to-title-case
- */
-
-/**
- * Uppercase the first letter of a string.
- *
- * @param {string} string
- * String to be uppercased
- *
- * @return {string}
- * The string with an uppercased first letter
- */
-function toTitleCase(string) {
- if (typeof string !== 'string') {
- return string;
- }
-
- return string.charAt(0).toUpperCase() + string.slice(1);
-}
-
-/**
- * Compares the TitleCase versions of the two strings for equality.
- *
- * @param {string} str1
- * The first string to compare
- *
- * @param {string} str2
- * The second string to compare
- *
- * @return {boolean}
- * Whether the TitleCase versions of the strings are equal
- */
-function titleCaseEquals(str1, str2) {
- return toTitleCase(str1) === toTitleCase(str2);
-}
-
-/**
- * @file merge-options.js
- * @module merge-options
- */
-/**
- * Deep-merge one or more options objects, recursively merging **only** plain
- * object properties.
- *
- * @param {Object[]} sources
- * One or more objects to merge into a new object.
- *
- * @returns {Object}
- * A new object that is the merged result of all sources.
- */
-function mergeOptions() {
- var result = {};
-
- for (var _len = arguments.length, sources = Array(_len), _key = 0; _key < _len; _key++) {
- sources[_key] = arguments[_key];
- }
-
- sources.forEach(function (source) {
- if (!source) {
- return;
- }
+ assign(target, EventedMixin);
- each(source, function (value, key) {
- if (!isPlain(value)) {
- result[key] = value;
- return;
- }
+ if (target.eventedCallbacks) {
+ target.eventedCallbacks.forEach(function (callback) {
+ callback();
+ });
+ } // When any evented object is disposed, it removes all its listeners.
- if (!isPlain(result[key])) {
- result[key] = {};
- }
- result[key] = mergeOptions(result[key], value);
+ target.on('dispose', function () {
+ target.off();
+ window$3.setTimeout(function () {
+ target.eventBusEl_ = null;
+ }, 0);
});
- });
-
- return result;
-}
-
-/**
- * Player Component - Base class for all UI objects
- *
- * @file component.js
- */
-/**
- * Base class for all UI Components.
- * Components are UI objects which represent both a javascript object and an element
- * in the DOM. They can be children of other components, and can have
- * children themselves.
- *
- * Components can also use methods from {@link EventTarget}
- */
-
-var Component = function () {
-
- /**
- * A callback that is called when a component is ready. Does not have any
- * paramters and any callback value will be ignored.
- *
- * @callback Component~ReadyCallback
- * @this Component
- */
+ return target;
+ }
/**
- * Creates an instance of this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
- *
- * @param {Object} [options]
- * The key/value store of player options.
- *
- * @param {Object[]} [options.children]
- * An array of children objects to intialize this component with. Children objects have
- * a name property that will be used if more than one component of the same type needs to be
- * added.
- *
- * @param {Component~ReadyCallback} [ready]
- * Function that gets called when the `Component` is ready.
+ * @file mixins/stateful.js
+ * @module stateful
*/
- function Component(player, options, ready) {
- classCallCheck(this, Component);
-
-
- // The component might be the player itself and we can't pass `this` to super
- if (!player && this.play) {
- this.player_ = player = this; // eslint-disable-line
- } else {
- this.player_ = player;
- }
-
- // Make a copy of prototype.options_ to protect against overriding defaults
- this.options_ = mergeOptions({}, this.options_);
-
- // Updated options with supplied options
- options = this.options_ = mergeOptions(this.options_, options);
-
- // Get ID from options or options element if one is supplied
- this.id_ = options.id || options.el && options.el.id;
-
- // If there was no ID from the options, generate one
- if (!this.id_) {
- // Don't require the player ID function in the case of mock players
- var id = player && player.id && player.id() || 'no_player';
-
- this.id_ = id + '_component_' + newGUID();
- }
-
- this.name_ = options.name || null;
-
- // Create element if one wasn't provided in options
- if (options.el) {
- this.el_ = options.el;
- } else if (options.createEl !== false) {
- this.el_ = this.createEl();
- }
-
- // if evented is anything except false, we want to mixin in evented
- if (options.evented !== false) {
- // Make this an evented object and use `el_`, if available, as its event bus
- evented(this, { eventBusKey: this.el_ ? 'el_' : null });
- }
- stateful(this, this.constructor.defaultState);
-
- this.children_ = [];
- this.childIndex_ = {};
- this.childNameIndex_ = {};
-
- // Add any child components in options
- if (options.initChildren !== false) {
- this.initChildren();
- }
-
- this.ready(ready);
- // Don't want to trigger ready here or it will before init is actually
- // finished for all children that run this constructor
-
- if (options.reportTouchActivity !== false) {
- this.enableTouchActivity();
- }
- }
-
/**
- * Dispose of the `Component` and all child components.
+ * Contains methods that provide statefulness to an object which is passed
+ * to {@link module:stateful}.
*
- * @fires Component#dispose
+ * @mixin StatefulMixin
*/
-
- Component.prototype.dispose = function dispose() {
+ var StatefulMixin = {
+ /**
+ * A hash containing arbitrary keys and values representing the state of
+ * the object.
+ *
+ * @type {Object}
+ */
+ state: {},
/**
- * Triggered when a `Component` is disposed.
+ * Set the state of an object by mutating its
+ * {@link module:stateful~StatefulMixin.state|state} object in place.
*
- * @event Component#dispose
- * @type {EventTarget~Event}
+ * @fires module:stateful~StatefulMixin#statechanged
+ * @param {Object|Function} stateUpdates
+ * A new set of properties to shallow-merge into the plugin state.
+ * Can be a plain object or a function returning a plain object.
*
- * @property {boolean} [bubbles=false]
- * set to false so that the close event does not
- * bubble up
+ * @return {Object|undefined}
+ * An object containing changes that occurred. If no changes
+ * occurred, returns `undefined`.
*/
- this.trigger({ type: 'dispose', bubbles: false });
+ setState: function setState(stateUpdates) {
+ var _this = this;
- // Dispose all children.
- if (this.children_) {
- for (var i = this.children_.length - 1; i >= 0; i--) {
- if (this.children_[i].dispose) {
- this.children_[i].dispose();
- }
+ // Support providing the `stateUpdates` state as a function.
+ if (typeof stateUpdates === 'function') {
+ stateUpdates = stateUpdates();
}
- }
- // Delete child references
- this.children_ = null;
- this.childIndex_ = null;
- this.childNameIndex_ = null;
+ var changes;
+ each(stateUpdates, function (value, key) {
+ // Record the change if the value is different from what's in the
+ // current state.
+ if (_this.state[key] !== value) {
+ changes = changes || {};
+ changes[key] = {
+ from: _this.state[key],
+ to: value
+ };
+ }
+
+ _this.state[key] = value;
+ }); // Only trigger "statechange" if there were changes AND we have a trigger
+ // function. This allows us to not require that the target object be an
+ // evented object.
- if (this.el_) {
- // Remove element from DOM
- if (this.el_.parentNode) {
- this.el_.parentNode.removeChild(this.el_);
+ if (changes && isEvented(this)) {
+ /**
+ * An event triggered on an object that is both
+ * {@link module:stateful|stateful} and {@link module:evented|evented}
+ * indicating that its state has changed.
+ *
+ * @event module:stateful~StatefulMixin#statechanged
+ * @type {Object}
+ * @property {Object} changes
+ * A hash containing the properties that were changed and
+ * the values they were changed `from` and `to`.
+ */
+ this.trigger({
+ changes: changes,
+ type: 'statechanged'
+ });
}
- removeData(this.el_);
- this.el_ = null;
+ return changes;
}
-
- // remove reference to the player after disposing of the element
- this.player_ = null;
};
-
/**
- * Return the {@link Player} that the `Component` has attached to.
+ * Applies {@link module:stateful~StatefulMixin|StatefulMixin} to a target
+ * object.
*
- * @return {Player}
- * The player that this `Component` has attached to.
- */
-
-
- Component.prototype.player = function player() {
- return this.player_;
- };
-
- /**
- * Deep merge of options objects with new options.
- * > Note: When both `obj` and `options` contain properties whose values are objects.
- * The two properties get merged using {@link module:mergeOptions}
+ * If the target object is {@link module:evented|evented} and has a
+ * `handleStateChanged` method, that method will be automatically bound to the
+ * `statechanged` event on itself.
*
- * @param {Object} obj
- * The object that contains new options.
+ * @param {Object} target
+ * The object to be made stateful.
*
- * @return {Object}
- * A new object of `this.options_` and `obj` merged together.
+ * @param {Object} [defaultState]
+ * A default set of properties to populate the newly-stateful object's
+ * `state` property.
*
- * @deprecated since version 5
+ * @return {Object}
+ * Returns the `target`.
*/
+ function stateful(target, defaultState) {
+ assign(target, StatefulMixin); // This happens after the mixing-in because we need to replace the `state`
+ // added in that step.
- Component.prototype.options = function options(obj) {
- log$1.warn('this.options() has been deprecated and will be moved to the constructor in 6.0');
+ target.state = assign({}, target.state, defaultState); // Auto-bind the `handleStateChanged` method of the target object if it exists.
- if (!obj) {
- return this.options_;
+ if (typeof target.handleStateChanged === 'function' && isEvented(target)) {
+ target.on('statechanged', target.handleStateChanged);
}
- this.options_ = mergeOptions(this.options_, obj);
- return this.options_;
- };
+ return target;
+ }
/**
- * Get the `Component`s DOM element
- *
- * @return {Element}
- * The DOM element for this `Component`.
+ * @file string-cases.js
+ * @module to-lower-case
*/
-
- Component.prototype.el = function el() {
- return this.el_;
- };
-
/**
- * Create the `Component`s DOM element.
+ * Lowercase the first letter of a string.
*
- * @param {string} [tagName]
- * Element's DOM node type. e.g. 'div'
- *
- * @param {Object} [properties]
- * An object of properties that should be set.
- *
- * @param {Object} [attributes]
- * An object of attributes that should be set.
+ * @param {string} string
+ * String to be lowercased
*
- * @return {Element}
- * The element that gets created.
+ * @return {string}
+ * The string with a lowercased first letter
*/
+ var toLowerCase = function toLowerCase(string) {
+ if (typeof string !== 'string') {
+ return string;
+ }
-
- Component.prototype.createEl = function createEl$$1(tagName, properties, attributes) {
- return createEl(tagName, properties, attributes);
+ return string.replace(/./, function (w) {
+ return w.toLowerCase();
+ });
};
-
/**
- * Localize a string given the string in english.
- *
- * If tokens are provided, it'll try and run a simple token replacement on the provided string.
- * The tokens it loooks for look like `{1}` with the index being 1-indexed into the tokens array.
- *
- * If a `defaultValue` is provided, it'll use that over `string`,
- * if a value isn't found in provided language files.
- * This is useful if you want to have a descriptive key for token replacement
- * but have a succinct localized string and not require `en.json` to be included.
- *
- * Currently, it is used for the progress bar timing.
- * ```js
- * {
- * "progress bar timing: currentTime={1} duration={2}": "{1} of {2}"
- * }
- * ```
- * It is then used like so:
- * ```js
- * this.localize('progress bar timing: currentTime={1} duration{2}',
- * [this.player_.currentTime(), this.player_.duration()],
- * '{1} of {2}');
- * ```
- *
- * Which outputs something like: `01:23 of 24:56`.
- *
+ * Uppercase the first letter of a string.
*
* @param {string} string
- * The string to localize and the key to lookup in the language files.
- * @param {string[]} [tokens]
- * If the current item has token replacements, provide the tokens here.
- * @param {string} [defaultValue]
- * Defaults to `string`. Can be a default value to use for token replacement
- * if the lookup key is needed to be separate.
+ * String to be uppercased
*
* @return {string}
- * The localized string or if no localization exists the english string.
+ * The string with an uppercased first letter
*/
-
- Component.prototype.localize = function localize(string, tokens) {
- var defaultValue = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : string;
-
- var code = this.player_.language && this.player_.language();
- var languages = this.player_.languages && this.player_.languages();
- var language = languages && languages[code];
- var primaryCode = code && code.split('-')[0];
- var primaryLang = languages && languages[primaryCode];
-
- var localizedString = defaultValue;
-
- if (language && language[string]) {
- localizedString = language[string];
- } else if (primaryLang && primaryLang[string]) {
- localizedString = primaryLang[string];
- }
-
- if (tokens) {
- localizedString = localizedString.replace(/\{(\d+)\}/g, function (match, index) {
- var value = tokens[index - 1];
- var ret = value;
-
- if (typeof value === 'undefined') {
- ret = match;
- }
-
- return ret;
- });
+ var toTitleCase = function toTitleCase(string) {
+ if (typeof string !== 'string') {
+ return string;
}
- return localizedString;
+ return string.replace(/./, function (w) {
+ return w.toUpperCase();
+ });
};
-
/**
- * Return the `Component`s DOM element. This is where children get inserted.
- * This will usually be the the same as the element returned in {@link Component#el}.
+ * Compares the TitleCase versions of the two strings for equality.
*
- * @return {Element}
- * The content element for this `Component`.
- */
-
-
- Component.prototype.contentEl = function contentEl() {
- return this.contentEl_ || this.el_;
- };
-
- /**
- * Get this `Component`s ID
+ * @param {string} str1
+ * The first string to compare
*
- * @return {string}
- * The id of this `Component`
- */
-
-
- Component.prototype.id = function id() {
- return this.id_;
- };
-
- /**
- * Get the `Component`s name. The name gets used to reference the `Component`
- * and is set during registration.
+ * @param {string} str2
+ * The second string to compare
*
- * @return {string}
- * The name of this `Component`.
+ * @return {boolean}
+ * Whether the TitleCase versions of the strings are equal
*/
-
- Component.prototype.name = function name() {
- return this.name_;
+ var titleCaseEquals = function titleCaseEquals(str1, str2) {
+ return toTitleCase(str1) === toTitleCase(str2);
};
/**
- * Get an array of all child components
- *
- * @return {Array}
- * The children
+ * @file merge-options.js
+ * @module merge-options
*/
-
-
- Component.prototype.children = function children() {
- return this.children_;
- };
-
/**
- * Returns the child `Component` with the given `id`.
+ * Merge two objects recursively.
*
- * @param {string} id
- * The id of the child `Component` to get.
+ * Performs a deep merge like
+ * {@link https://lodash.com/docs/4.17.10#merge|lodash.merge}, but only merges
+ * plain objects (not arrays, elements, or anything else).
*
- * @return {Component|undefined}
- * The child `Component` with the given `id` or undefined.
- */
-
-
- Component.prototype.getChildById = function getChildById(id) {
- return this.childIndex_[id];
- };
-
- /**
- * Returns the child `Component` with the given `name`.
+ * Non-plain object values will be copied directly from the right-most
+ * argument.
*
- * @param {string} name
- * The name of the child `Component` to get.
+ * @static
+ * @param {Object[]} sources
+ * One or more objects to merge into a new object.
*
- * @return {Component|undefined}
- * The child `Component` with the given `name` or undefined.
+ * @return {Object}
+ * A new object that is the merged result of all sources.
*/
+ function mergeOptions() {
+ var result = {};
- Component.prototype.getChild = function getChild(name) {
- if (!name) {
- return;
+ for (var _len = arguments.length, sources = new Array(_len), _key = 0; _key < _len; _key++) {
+ sources[_key] = arguments[_key];
}
- name = toTitleCase(name);
+ sources.forEach(function (source) {
+ if (!source) {
+ return;
+ }
+
+ each(source, function (value, key) {
+ if (!isPlain(value)) {
+ result[key] = value;
+ return;
+ }
+
+ if (!isPlain(result[key])) {
+ result[key] = {};
+ }
- return this.childNameIndex_[name];
- };
+ result[key] = mergeOptions(result[key], value);
+ });
+ });
+ return result;
+ }
/**
- * Add a child `Component` inside the current `Component`.
- *
+ * Player Component - Base class for all UI objects
*
- * @param {string|Component} child
- * The name or instance of a child to add.
- *
- * @param {Object} [options={}]
- * The key/value store of options that will get passed to children of
- * the child.
- *
- * @param {number} [index=this.children_.length]
- * The index to attempt to add a child into.
+ * @file component.js
+ */
+ /**
+ * Base class for all UI Components.
+ * Components are UI objects which represent both a javascript object and an element
+ * in the DOM. They can be children of other components, and can have
+ * children themselves.
*
- * @return {Component}
- * The `Component` that gets added as a child. When using a string the
- * `Component` will get created by this process.
+ * Components can also use methods from {@link EventTarget}
*/
+ var Component = /*#__PURE__*/function () {
+ /**
+ * A callback that is called when a component is ready. Does not have any
+ * paramters and any callback value will be ignored.
+ *
+ * @callback Component~ReadyCallback
+ * @this Component
+ */
- Component.prototype.addChild = function addChild(child) {
- var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
- var index = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : this.children_.length;
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ *
+ * @param {Object[]} [options.children]
+ * An array of children objects to intialize this component with. Children objects have
+ * a name property that will be used if more than one component of the same type needs to be
+ * added.
+ *
+ * @param {Component~ReadyCallback} [ready]
+ * Function that gets called when the `Component` is ready.
+ */
+ function Component(player, options, ready) {
+ // The component might be the player itself and we can't pass `this` to super
+ if (!player && this.play) {
+ this.player_ = player = this; // eslint-disable-line
+ } else {
+ this.player_ = player;
+ }
- var component = void 0;
- var componentName = void 0;
+ this.isDisposed_ = false; // Hold the reference to the parent component via `addChild` method
- // If child is a string, create component with options
- if (typeof child === 'string') {
- componentName = toTitleCase(child);
+ this.parentComponent_ = null; // Make a copy of prototype.options_ to protect against overriding defaults
- var componentClassName = options.componentClass || componentName;
+ this.options_ = mergeOptions({}, this.options_); // Updated options with supplied options
- // Set name through options
- options.name = componentName;
+ options = this.options_ = mergeOptions(this.options_, options); // Get ID from options or options element if one is supplied
- // Create a new object & element for this controls set
- // If there's no .player_, this is a player
- var ComponentClass = Component.getComponent(componentClassName);
+ this.id_ = options.id || options.el && options.el.id; // If there was no ID from the options, generate one
- if (!ComponentClass) {
- throw new Error('Component ' + componentClassName + ' does not exist');
+ if (!this.id_) {
+ // Don't require the player ID function in the case of mock players
+ var id = player && player.id && player.id() || 'no_player';
+ this.id_ = id + "_component_" + newGUID();
}
- // data stored directly on the videojs object may be
- // misidentified as a component to retain
- // backwards-compatibility with 4.x. check to make sure the
- // component class can be instantiated.
- if (typeof ComponentClass !== 'function') {
- return null;
- }
+ this.name_ = options.name || null; // Create element if one wasn't provided in options
- component = new ComponentClass(this.player_ || this, options);
+ if (options.el) {
+ this.el_ = options.el;
+ } else if (options.createEl !== false) {
+ this.el_ = this.createEl();
+ } // if evented is anything except false, we want to mixin in evented
- // child is a component instance
- } else {
- component = child;
- }
- this.children_.splice(index, 0, component);
+ if (options.evented !== false) {
+ // Make this an evented object and use `el_`, if available, as its event bus
+ evented(this, {
+ eventBusKey: this.el_ ? 'el_' : null
+ });
+ }
- if (typeof component.id === 'function') {
- this.childIndex_[component.id()] = component;
- }
+ stateful(this, this.constructor.defaultState);
+ this.children_ = [];
+ this.childIndex_ = {};
+ this.childNameIndex_ = {};
+ var SetSham;
- // If a name wasn't used to create the component, check if we can use the
- // name function of the component
- componentName = componentName || component.name && toTitleCase(component.name());
+ if (!window$3.Set) {
+ SetSham = /*#__PURE__*/function () {
+ function SetSham() {
+ this.set_ = {};
+ }
- if (componentName) {
- this.childNameIndex_[componentName] = component;
- }
+ var _proto2 = SetSham.prototype;
- // Add the UI object's element to the container div (box)
- // Having an element is not required
- if (typeof component.el === 'function' && component.el()) {
- var childNodes = this.contentEl().children;
- var refNode = childNodes[index] || null;
+ _proto2.has = function has(key) {
+ return key in this.set_;
+ };
- this.contentEl().insertBefore(component.el(), refNode);
- }
+ _proto2["delete"] = function _delete(key) {
+ var has = this.has(key);
+ delete this.set_[key];
+ return has;
+ };
- // Return so it can stored on parent object if desired.
- return component;
- };
+ _proto2.add = function add(key) {
+ this.set_[key] = 1;
+ return this;
+ };
- /**
- * Remove a child `Component` from this `Component`s list of children. Also removes
- * the child `Component`s element from this `Component`s element.
- *
- * @param {Component} component
- * The child `Component` to remove.
- */
+ _proto2.forEach = function forEach(callback, thisArg) {
+ for (var key in this.set_) {
+ callback.call(thisArg, key, key, this);
+ }
+ };
+ return SetSham;
+ }();
+ }
- Component.prototype.removeChild = function removeChild(component) {
- if (typeof component === 'string') {
- component = this.getChild(component);
- }
+ this.setTimeoutIds_ = window$3.Set ? new Set() : new SetSham();
+ this.setIntervalIds_ = window$3.Set ? new Set() : new SetSham();
+ this.rafIds_ = window$3.Set ? new Set() : new SetSham();
+ this.clearingTimersOnDispose_ = false; // Add any child components in options
- if (!component || !this.children_) {
- return;
- }
+ if (options.initChildren !== false) {
+ this.initChildren();
+ }
- var childFound = false;
+ this.ready(ready); // Don't want to trigger ready here or it will before init is actually
+ // finished for all children that run this constructor
- for (var i = this.children_.length - 1; i >= 0; i--) {
- if (this.children_[i] === component) {
- childFound = true;
- this.children_.splice(i, 1);
- break;
+ if (options.reportTouchActivity !== false) {
+ this.enableTouchActivity();
}
}
+ /**
+ * Dispose of the `Component` and all child components.
+ *
+ * @fires Component#dispose
+ */
- if (!childFound) {
- return;
- }
- this.childIndex_[component.id()] = null;
- this.childNameIndex_[component.name()] = null;
+ var _proto = Component.prototype;
- var compEl = component.el();
+ _proto.dispose = function dispose() {
+ // Bail out if the component has already been disposed.
+ if (this.isDisposed_) {
+ return;
+ }
+ /**
+ * Triggered when a `Component` is disposed.
+ *
+ * @event Component#dispose
+ * @type {EventTarget~Event}
+ *
+ * @property {boolean} [bubbles=false]
+ * set to false so that the dispose event does not
+ * bubble up
+ */
- if (compEl && compEl.parentNode === this.contentEl()) {
- this.contentEl().removeChild(component.el());
- }
- };
- /**
- * Add and initialize default child `Component`s based upon options.
- */
-
-
- Component.prototype.initChildren = function initChildren() {
- var _this = this;
+ this.trigger({
+ type: 'dispose',
+ bubbles: false
+ });
+ this.isDisposed_ = true; // Dispose all children.
- var children = this.options_.children;
+ if (this.children_) {
+ for (var i = this.children_.length - 1; i >= 0; i--) {
+ if (this.children_[i].dispose) {
+ this.children_[i].dispose();
+ }
+ }
+ } // Delete child references
- if (children) {
- // `this` is `parent`
- var parentOptions = this.options_;
- var handleAdd = function handleAdd(child) {
- var name = child.name;
- var opts = child.opts;
+ this.children_ = null;
+ this.childIndex_ = null;
+ this.childNameIndex_ = null;
+ this.parentComponent_ = null;
- // Allow options for children to be set at the parent options
- // e.g. videojs(id, { controlBar: false });
- // instead of videojs(id, { children: { controlBar: false });
- if (parentOptions[name] !== undefined) {
- opts = parentOptions[name];
+ if (this.el_) {
+ // Remove element from DOM
+ if (this.el_.parentNode) {
+ this.el_.parentNode.removeChild(this.el_);
}
- // Allow for disabling default components
- // e.g. options['children']['posterImage'] = false
- if (opts === false) {
- return;
+ if (DomData.has(this.el_)) {
+ DomData["delete"](this.el_);
}
- // Allow options to be passed as a simple boolean if no configuration
- // is necessary.
- if (opts === true) {
- opts = {};
- }
+ this.el_ = null;
+ } // remove reference to the player after disposing of the element
- // We also want to pass the original player options
- // to each component as well so they don't need to
- // reach back into the player for options later.
- opts.playerOptions = _this.options_.playerOptions;
- // Create and add the child component.
- // Add a direct reference to the child by name on the parent instance.
- // If two of the same component are used, different names should be supplied
- // for each
- var newChild = _this.addChild(name, opts);
+ this.player_ = null;
+ }
+ /**
+ * Determine whether or not this component has been disposed.
+ *
+ * @return {boolean}
+ * If the component has been disposed, will be `true`. Otherwise, `false`.
+ */
+ ;
- if (newChild) {
- _this[name] = newChild;
- }
- };
+ _proto.isDisposed = function isDisposed() {
+ return Boolean(this.isDisposed_);
+ }
+ /**
+ * Return the {@link Player} that the `Component` has attached to.
+ *
+ * @return {Player}
+ * The player that this `Component` has attached to.
+ */
+ ;
- // Allow for an array of children details to passed in the options
- var workingChildren = void 0;
- var Tech = Component.getComponent('Tech');
+ _proto.player = function player() {
+ return this.player_;
+ }
+ /**
+ * Deep merge of options objects with new options.
+ * > Note: When both `obj` and `options` contain properties whose values are objects.
+ * The two properties get merged using {@link module:mergeOptions}
+ *
+ * @param {Object} obj
+ * The object that contains new options.
+ *
+ * @return {Object}
+ * A new object of `this.options_` and `obj` merged together.
+ */
+ ;
- if (Array.isArray(children)) {
- workingChildren = children;
- } else {
- workingChildren = Object.keys(children);
+ _proto.options = function options(obj) {
+ if (!obj) {
+ return this.options_;
}
- workingChildren
- // children that are in this.options_ but also in workingChildren would
- // give us extra children we do not want. So, we want to filter them out.
- .concat(Object.keys(this.options_).filter(function (child) {
- return !workingChildren.some(function (wchild) {
- if (typeof wchild === 'string') {
- return child === wchild;
- }
- return child === wchild.name;
- });
- })).map(function (child) {
- var name = void 0;
- var opts = void 0;
-
- if (typeof child === 'string') {
- name = child;
- opts = children[name] || _this.options_[name] || {};
- } else {
- name = child.name;
- opts = child;
- }
+ this.options_ = mergeOptions(this.options_, obj);
+ return this.options_;
+ }
+ /**
+ * Get the `Component`s DOM element
+ *
+ * @return {Element}
+ * The DOM element for this `Component`.
+ */
+ ;
- return { name: name, opts: opts };
- }).filter(function (child) {
- // we have to make sure that child.name isn't in the techOrder since
- // techs are registerd as Components but can't aren't compatible
- // See https://github.com/videojs/video.js/issues/2772
- var c = Component.getComponent(child.opts.componentClass || toTitleCase(child.name));
+ _proto.el = function el() {
+ return this.el_;
+ }
+ /**
+ * Create the `Component`s DOM element.
+ *
+ * @param {string} [tagName]
+ * Element's DOM node type. e.g. 'div'
+ *
+ * @param {Object} [properties]
+ * An object of properties that should be set.
+ *
+ * @param {Object} [attributes]
+ * An object of attributes that should be set.
+ *
+ * @return {Element}
+ * The element that gets created.
+ */
+ ;
- return c && !Tech.isTech(c);
- }).forEach(handleAdd);
+ _proto.createEl = function createEl$1(tagName, properties, attributes) {
+ return createEl(tagName, properties, attributes);
}
- };
+ /**
+ * Localize a string given the string in english.
+ *
+ * If tokens are provided, it'll try and run a simple token replacement on the provided string.
+ * The tokens it looks for look like `{1}` with the index being 1-indexed into the tokens array.
+ *
+ * If a `defaultValue` is provided, it'll use that over `string`,
+ * if a value isn't found in provided language files.
+ * This is useful if you want to have a descriptive key for token replacement
+ * but have a succinct localized string and not require `en.json` to be included.
+ *
+ * Currently, it is used for the progress bar timing.
+ * ```js
+ * {
+ * "progress bar timing: currentTime={1} duration={2}": "{1} of {2}"
+ * }
+ * ```
+ * It is then used like so:
+ * ```js
+ * this.localize('progress bar timing: currentTime={1} duration{2}',
+ * [this.player_.currentTime(), this.player_.duration()],
+ * '{1} of {2}');
+ * ```
+ *
+ * Which outputs something like: `01:23 of 24:56`.
+ *
+ *
+ * @param {string} string
+ * The string to localize and the key to lookup in the language files.
+ * @param {string[]} [tokens]
+ * If the current item has token replacements, provide the tokens here.
+ * @param {string} [defaultValue]
+ * Defaults to `string`. Can be a default value to use for token replacement
+ * if the lookup key is needed to be separate.
+ *
+ * @return {string}
+ * The localized string or if no localization exists the english string.
+ */
+ ;
- /**
- * Builds the default DOM class name. Should be overriden by sub-components.
- *
- * @return {string}
- * The DOM class name for this object.
- *
- * @abstract
- */
+ _proto.localize = function localize(string, tokens, defaultValue) {
+ if (defaultValue === void 0) {
+ defaultValue = string;
+ }
+ var code = this.player_.language && this.player_.language();
+ var languages = this.player_.languages && this.player_.languages();
+ var language = languages && languages[code];
+ var primaryCode = code && code.split('-')[0];
+ var primaryLang = languages && languages[primaryCode];
+ var localizedString = defaultValue;
+
+ if (language && language[string]) {
+ localizedString = language[string];
+ } else if (primaryLang && primaryLang[string]) {
+ localizedString = primaryLang[string];
+ }
- Component.prototype.buildCSSClass = function buildCSSClass() {
- // Child classes can include a function that does:
- // return 'CLASS NAME' + this._super();
- return '';
- };
+ if (tokens) {
+ localizedString = localizedString.replace(/\{(\d+)\}/g, function (match, index) {
+ var value = tokens[index - 1];
+ var ret = value;
- /**
- * Bind a listener to the component's ready state.
- * Different from event listeners in that if the ready event has already happened
- * it will trigger the function immediately.
- *
- * @return {Component}
- * Returns itself; method can be chained.
- */
+ if (typeof value === 'undefined') {
+ ret = match;
+ }
+ return ret;
+ });
+ }
- Component.prototype.ready = function ready(fn) {
- var sync = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+ return localizedString;
+ }
+ /**
+ * Return the `Component`s DOM element. This is where children get inserted.
+ * This will usually be the the same as the element returned in {@link Component#el}.
+ *
+ * @return {Element}
+ * The content element for this `Component`.
+ */
+ ;
- if (!fn) {
- return;
+ _proto.contentEl = function contentEl() {
+ return this.contentEl_ || this.el_;
}
+ /**
+ * Get this `Component`s ID
+ *
+ * @return {string}
+ * The id of this `Component`
+ */
+ ;
- if (!this.isReady_) {
- this.readyQueue_ = this.readyQueue_ || [];
- this.readyQueue_.push(fn);
- return;
+ _proto.id = function id() {
+ return this.id_;
}
+ /**
+ * Get the `Component`s name. The name gets used to reference the `Component`
+ * and is set during registration.
+ *
+ * @return {string}
+ * The name of this `Component`.
+ */
+ ;
- if (sync) {
- fn.call(this);
- } else {
- // Call the function asynchronously by default for consistency
- this.setTimeout(fn, 1);
+ _proto.name = function name() {
+ return this.name_;
}
- };
+ /**
+ * Get an array of all child components
+ *
+ * @return {Array}
+ * The children
+ */
+ ;
- /**
- * Trigger all the ready listeners for this `Component`.
- *
- * @fires Component#ready
- */
+ _proto.children = function children() {
+ return this.children_;
+ }
+ /**
+ * Returns the child `Component` with the given `id`.
+ *
+ * @param {string} id
+ * The id of the child `Component` to get.
+ *
+ * @return {Component|undefined}
+ * The child `Component` with the given `id` or undefined.
+ */
+ ;
+
+ _proto.getChildById = function getChildById(id) {
+ return this.childIndex_[id];
+ }
+ /**
+ * Returns the child `Component` with the given `name`.
+ *
+ * @param {string} name
+ * The name of the child `Component` to get.
+ *
+ * @return {Component|undefined}
+ * The child `Component` with the given `name` or undefined.
+ */
+ ;
+ _proto.getChild = function getChild(name) {
+ if (!name) {
+ return;
+ }
- Component.prototype.triggerReady = function triggerReady() {
- this.isReady_ = true;
+ return this.childNameIndex_[name];
+ }
+ /**
+ * Returns the descendant `Component` following the givent
+ * descendant `names`. For instance ['foo', 'bar', 'baz'] would
+ * try to get 'foo' on the current component, 'bar' on the 'foo'
+ * component and 'baz' on the 'bar' component and return undefined
+ * if any of those don't exist.
+ *
+ * @param {...string[]|...string} names
+ * The name of the child `Component` to get.
+ *
+ * @return {Component|undefined}
+ * The descendant `Component` following the given descendant
+ * `names` or undefined.
+ */
+ ;
- // Ensure ready is triggerd asynchronously
- this.setTimeout(function () {
- var readyQueue = this.readyQueue_;
+ _proto.getDescendant = function getDescendant() {
+ for (var _len = arguments.length, names = new Array(_len), _key = 0; _key < _len; _key++) {
+ names[_key] = arguments[_key];
+ }
- // Reset Ready Queue
- this.readyQueue_ = [];
+ // flatten array argument into the main array
+ names = names.reduce(function (acc, n) {
+ return acc.concat(n);
+ }, []);
+ var currentChild = this;
- if (readyQueue && readyQueue.length > 0) {
- readyQueue.forEach(function (fn) {
- fn.call(this);
- }, this);
+ for (var i = 0; i < names.length; i++) {
+ currentChild = currentChild.getChild(names[i]);
+
+ if (!currentChild || !currentChild.getChild) {
+ return;
+ }
}
- // Allow for using event listeners also
- /**
- * Triggered when a `Component` is ready.
- *
- * @event Component#ready
- * @type {EventTarget~Event}
- */
- this.trigger('ready');
- }, 1);
- };
+ return currentChild;
+ }
+ /**
+ * Add a child `Component` inside the current `Component`.
+ *
+ *
+ * @param {string|Component} child
+ * The name or instance of a child to add.
+ *
+ * @param {Object} [options={}]
+ * The key/value store of options that will get passed to children of
+ * the child.
+ *
+ * @param {number} [index=this.children_.length]
+ * The index to attempt to add a child into.
+ *
+ * @return {Component}
+ * The `Component` that gets added as a child. When using a string the
+ * `Component` will get created by this process.
+ */
+ ;
- /**
- * Find a single DOM element matching a `selector`. This can be within the `Component`s
- * `contentEl()` or another custom context.
- *
- * @param {string} selector
- * A valid CSS selector, which will be passed to `querySelector`.
- *
- * @param {Element|string} [context=this.contentEl()]
- * A DOM element within which to query. Can also be a selector string in
- * which case the first matching element will get used as context. If
- * missing `this.contentEl()` gets used. If `this.contentEl()` returns
- * nothing it falls back to `document`.
- *
- * @return {Element|null}
- * the dom element that was found, or null
- *
- * @see [Information on CSS Selectors](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Getting_Started/Selectors)
- */
+ _proto.addChild = function addChild(child, options, index) {
+ if (options === void 0) {
+ options = {};
+ }
+ if (index === void 0) {
+ index = this.children_.length;
+ }
- Component.prototype.$ = function $$$1(selector, context) {
- return $(selector, context || this.contentEl());
- };
+ var component;
+ var componentName; // If child is a string, create component with options
- /**
- * Finds all DOM element matching a `selector`. This can be within the `Component`s
- * `contentEl()` or another custom context.
- *
- * @param {string} selector
- * A valid CSS selector, which will be passed to `querySelectorAll`.
- *
- * @param {Element|string} [context=this.contentEl()]
- * A DOM element within which to query. Can also be a selector string in
- * which case the first matching element will get used as context. If
- * missing `this.contentEl()` gets used. If `this.contentEl()` returns
- * nothing it falls back to `document`.
- *
- * @return {NodeList}
- * a list of dom elements that were found
- *
- * @see [Information on CSS Selectors](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Getting_Started/Selectors)
- */
+ if (typeof child === 'string') {
+ componentName = toTitleCase(child);
+ var componentClassName = options.componentClass || componentName; // Set name through options
+ options.name = componentName; // Create a new object & element for this controls set
+ // If there's no .player_, this is a player
- Component.prototype.$$ = function $$$$1(selector, context) {
- return $$(selector, context || this.contentEl());
- };
+ var ComponentClass = Component.getComponent(componentClassName);
- /**
- * Check if a component's element has a CSS class name.
- *
- * @param {string} classToCheck
- * CSS class name to check.
- *
- * @return {boolean}
- * - True if the `Component` has the class.
- * - False if the `Component` does not have the class`
- */
+ if (!ComponentClass) {
+ throw new Error("Component " + componentClassName + " does not exist");
+ } // data stored directly on the videojs object may be
+ // misidentified as a component to retain
+ // backwards-compatibility with 4.x. check to make sure the
+ // component class can be instantiated.
- Component.prototype.hasClass = function hasClass$$1(classToCheck) {
- return hasClass(this.el_, classToCheck);
- };
+ if (typeof ComponentClass !== 'function') {
+ return null;
+ }
- /**
- * Add a CSS class name to the `Component`s element.
- *
- * @param {string} classToAdd
- * CSS class name to add
- */
+ component = new ComponentClass(this.player_ || this, options); // child is a component instance
+ } else {
+ component = child;
+ }
+ if (component.parentComponent_) {
+ component.parentComponent_.removeChild(component);
+ }
- Component.prototype.addClass = function addClass$$1(classToAdd) {
- addClass(this.el_, classToAdd);
- };
+ this.children_.splice(index, 0, component);
+ component.parentComponent_ = this;
- /**
- * Remove a CSS class name from the `Component`s element.
- *
- * @param {string} classToRemove
- * CSS class name to remove
- */
+ if (typeof component.id === 'function') {
+ this.childIndex_[component.id()] = component;
+ } // If a name wasn't used to create the component, check if we can use the
+ // name function of the component
- Component.prototype.removeClass = function removeClass$$1(classToRemove) {
- removeClass(this.el_, classToRemove);
- };
+ componentName = componentName || component.name && toTitleCase(component.name());
- /**
- * Add or remove a CSS class name from the component's element.
- * - `classToToggle` gets added when {@link Component#hasClass} would return false.
- * - `classToToggle` gets removed when {@link Component#hasClass} would return true.
- *
- * @param {string} classToToggle
- * The class to add or remove based on (@link Component#hasClass}
- *
- * @param {boolean|Dom~predicate} [predicate]
- * An {@link Dom~predicate} function or a boolean
- */
+ if (componentName) {
+ this.childNameIndex_[componentName] = component;
+ this.childNameIndex_[toLowerCase(componentName)] = component;
+ } // Add the UI object's element to the container div (box)
+ // Having an element is not required
- Component.prototype.toggleClass = function toggleClass$$1(classToToggle, predicate) {
- toggleClass(this.el_, classToToggle, predicate);
- };
+ if (typeof component.el === 'function' && component.el()) {
+ // If inserting before a component, insert before that component's element
+ var refNode = null;
- /**
- * Show the `Component`s element if it is hidden by removing the
- * 'vjs-hidden' class name from it.
- */
+ if (this.children_[index + 1] && this.children_[index + 1].el_) {
+ refNode = this.children_[index + 1].el_;
+ }
+ this.contentEl().insertBefore(component.el(), refNode);
+ } // Return so it can stored on parent object if desired.
- Component.prototype.show = function show() {
- this.removeClass('vjs-hidden');
- };
- /**
- * Hide the `Component`s element if it is currently showing by adding the
- * 'vjs-hidden` class name to it.
- */
+ return component;
+ }
+ /**
+ * Remove a child `Component` from this `Component`s list of children. Also removes
+ * the child `Component`s element from this `Component`s element.
+ *
+ * @param {Component} component
+ * The child `Component` to remove.
+ */
+ ;
+ _proto.removeChild = function removeChild(component) {
+ if (typeof component === 'string') {
+ component = this.getChild(component);
+ }
- Component.prototype.hide = function hide() {
- this.addClass('vjs-hidden');
- };
+ if (!component || !this.children_) {
+ return;
+ }
- /**
- * Lock a `Component`s element in its visible state by adding the 'vjs-lock-showing'
- * class name to it. Used during fadeIn/fadeOut.
- *
- * @private
- */
+ var childFound = false;
+ for (var i = this.children_.length - 1; i >= 0; i--) {
+ if (this.children_[i] === component) {
+ childFound = true;
+ this.children_.splice(i, 1);
+ break;
+ }
+ }
- Component.prototype.lockShowing = function lockShowing() {
- this.addClass('vjs-lock-showing');
- };
+ if (!childFound) {
+ return;
+ }
- /**
- * Unlock a `Component`s element from its visible state by removing the 'vjs-lock-showing'
- * class name from it. Used during fadeIn/fadeOut.
- *
- * @private
- */
+ component.parentComponent_ = null;
+ this.childIndex_[component.id()] = null;
+ this.childNameIndex_[toTitleCase(component.name())] = null;
+ this.childNameIndex_[toLowerCase(component.name())] = null;
+ var compEl = component.el();
+ if (compEl && compEl.parentNode === this.contentEl()) {
+ this.contentEl().removeChild(component.el());
+ }
+ }
+ /**
+ * Add and initialize default child `Component`s based upon options.
+ */
+ ;
- Component.prototype.unlockShowing = function unlockShowing() {
- this.removeClass('vjs-lock-showing');
- };
+ _proto.initChildren = function initChildren() {
+ var _this = this;
- /**
- * Get the value of an attribute on the `Component`s element.
- *
- * @param {string} attribute
- * Name of the attribute to get the value from.
- *
- * @return {string|null}
- * - The value of the attribute that was asked for.
- * - Can be an empty string on some browsers if the attribute does not exist
- * or has no value
- * - Most browsers will return null if the attibute does not exist or has
- * no value.
- *
- * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/getAttribute}
- */
+ var children = this.options_.children;
+ if (children) {
+ // `this` is `parent`
+ var parentOptions = this.options_;
- Component.prototype.getAttribute = function getAttribute$$1(attribute) {
- return getAttribute(this.el_, attribute);
- };
+ var handleAdd = function handleAdd(child) {
+ var name = child.name;
+ var opts = child.opts; // Allow options for children to be set at the parent options
+ // e.g. videojs(id, { controlBar: false });
+ // instead of videojs(id, { children: { controlBar: false });
- /**
- * Set the value of an attribute on the `Component`'s element
- *
- * @param {string} attribute
- * Name of the attribute to set.
- *
- * @param {string} value
- * Value to set the attribute to.
- *
- * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/setAttribute}
- */
+ if (parentOptions[name] !== undefined) {
+ opts = parentOptions[name];
+ } // Allow for disabling default components
+ // e.g. options['children']['posterImage'] = false
- Component.prototype.setAttribute = function setAttribute$$1(attribute, value) {
- setAttribute(this.el_, attribute, value);
- };
+ if (opts === false) {
+ return;
+ } // Allow options to be passed as a simple boolean if no configuration
+ // is necessary.
- /**
- * Remove an attribute from the `Component`s element.
- *
- * @param {string} attribute
- * Name of the attribute to remove.
- *
- * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/removeAttribute}
- */
+ if (opts === true) {
+ opts = {};
+ } // We also want to pass the original player options
+ // to each component as well so they don't need to
+ // reach back into the player for options later.
- Component.prototype.removeAttribute = function removeAttribute$$1(attribute) {
- removeAttribute(this.el_, attribute);
- };
- /**
- * Get or set the width of the component based upon the CSS styles.
- * See {@link Component#dimension} for more detailed information.
- *
- * @param {number|string} [num]
- * The width that you want to set postfixed with '%', 'px' or nothing.
- *
- * @param {boolean} [skipListeners]
- * Skip the componentresize event trigger
- *
- * @return {number|string}
- * The width when getting, zero if there is no width. Can be a string
- * postpixed with '%' or 'px'.
- */
+ opts.playerOptions = _this.options_.playerOptions; // Create and add the child component.
+ // Add a direct reference to the child by name on the parent instance.
+ // If two of the same component are used, different names should be supplied
+ // for each
+ var newChild = _this.addChild(name, opts);
- Component.prototype.width = function width(num, skipListeners) {
- return this.dimension('width', num, skipListeners);
- };
+ if (newChild) {
+ _this[name] = newChild;
+ }
+ }; // Allow for an array of children details to passed in the options
- /**
- * Get or set the height of the component based upon the CSS styles.
- * See {@link Component#dimension} for more detailed information.
- *
- * @param {number|string} [num]
- * The height that you want to set postfixed with '%', 'px' or nothing.
- *
- * @param {boolean} [skipListeners]
- * Skip the componentresize event trigger
- *
- * @return {number|string}
- * The width when getting, zero if there is no width. Can be a string
- * postpixed with '%' or 'px'.
- */
+ var workingChildren;
+ var Tech = Component.getComponent('Tech');
- Component.prototype.height = function height(num, skipListeners) {
- return this.dimension('height', num, skipListeners);
- };
+ if (Array.isArray(children)) {
+ workingChildren = children;
+ } else {
+ workingChildren = Object.keys(children);
+ }
- /**
- * Set both the width and height of the `Component` element at the same time.
- *
- * @param {number|string} width
- * Width to set the `Component`s element to.
- *
- * @param {number|string} height
- * Height to set the `Component`s element to.
- */
+ workingChildren // children that are in this.options_ but also in workingChildren would
+ // give us extra children we do not want. So, we want to filter them out.
+ .concat(Object.keys(this.options_).filter(function (child) {
+ return !workingChildren.some(function (wchild) {
+ if (typeof wchild === 'string') {
+ return child === wchild;
+ }
+ return child === wchild.name;
+ });
+ })).map(function (child) {
+ var name;
+ var opts;
- Component.prototype.dimensions = function dimensions(width, height) {
- // Skip componentresize listeners on width for optimization
- this.width(width, true);
- this.height(height);
- };
+ if (typeof child === 'string') {
+ name = child;
+ opts = children[name] || _this.options_[name] || {};
+ } else {
+ name = child.name;
+ opts = child;
+ }
- /**
- * Get or set width or height of the `Component` element. This is the shared code
- * for the {@link Component#width} and {@link Component#height}.
- *
- * Things to know:
- * - If the width or height in an number this will return the number postfixed with 'px'.
- * - If the width/height is a percent this will return the percent postfixed with '%'
- * - Hidden elements have a width of 0 with `window.getComputedStyle`. This function
- * defaults to the `Component`s `style.width` and falls back to `window.getComputedStyle`.
- * See [this]{@link http://www.foliotek.com/devblog/getting-the-width-of-a-hidden-element-with-jquery-using-width/}
- * for more information
- * - If you want the computed style of the component, use {@link Component#currentWidth}
- * and {@link {Component#currentHeight}
- *
- * @fires Component#componentresize
- *
- * @param {string} widthOrHeight
- 8 'width' or 'height'
- *
- * @param {number|string} [num]
- 8 New dimension
- *
- * @param {boolean} [skipListeners]
- * Skip componentresize event trigger
- *
- * @return {number}
- * The dimension when getting or 0 if unset
- */
+ return {
+ name: name,
+ opts: opts
+ };
+ }).filter(function (child) {
+ // we have to make sure that child.name isn't in the techOrder since
+ // techs are registerd as Components but can't aren't compatible
+ // See https://github.com/videojs/video.js/issues/2772
+ var c = Component.getComponent(child.opts.componentClass || toTitleCase(child.name));
+ return c && !Tech.isTech(c);
+ }).forEach(handleAdd);
+ }
+ }
+ /**
+ * Builds the default DOM class name. Should be overriden by sub-components.
+ *
+ * @return {string}
+ * The DOM class name for this object.
+ *
+ * @abstract
+ */
+ ;
+
+ _proto.buildCSSClass = function buildCSSClass() {
+ // Child classes can include a function that does:
+ // return 'CLASS NAME' + this._super();
+ return '';
+ }
+ /**
+ * Bind a listener to the component's ready state.
+ * Different from event listeners in that if the ready event has already happened
+ * it will trigger the function immediately.
+ *
+ * @return {Component}
+ * Returns itself; method can be chained.
+ */
+ ;
+ _proto.ready = function ready(fn, sync) {
+ if (sync === void 0) {
+ sync = false;
+ }
+
+ if (!fn) {
+ return;
+ }
- Component.prototype.dimension = function dimension(widthOrHeight, num, skipListeners) {
- if (num !== undefined) {
- // Set to zero if null or literally NaN (NaN !== NaN)
- if (num === null || num !== num) {
- num = 0;
+ if (!this.isReady_) {
+ this.readyQueue_ = this.readyQueue_ || [];
+ this.readyQueue_.push(fn);
+ return;
}
- // Check if using css width/height (% or px) and adjust
- if (('' + num).indexOf('%') !== -1 || ('' + num).indexOf('px') !== -1) {
- this.el_.style[widthOrHeight] = num;
- } else if (num === 'auto') {
- this.el_.style[widthOrHeight] = '';
+ if (sync) {
+ fn.call(this);
} else {
- this.el_.style[widthOrHeight] = num + 'px';
+ // Call the function asynchronously by default for consistency
+ this.setTimeout(fn, 1);
}
+ }
+ /**
+ * Trigger all the ready listeners for this `Component`.
+ *
+ * @fires Component#ready
+ */
+ ;
+
+ _proto.triggerReady = function triggerReady() {
+ this.isReady_ = true; // Ensure ready is triggered asynchronously
+
+ this.setTimeout(function () {
+ var readyQueue = this.readyQueue_; // Reset Ready Queue
+
+ this.readyQueue_ = [];
+
+ if (readyQueue && readyQueue.length > 0) {
+ readyQueue.forEach(function (fn) {
+ fn.call(this);
+ }, this);
+ } // Allow for using event listeners also
- // skipListeners allows us to avoid triggering the resize event when setting both width and height
- if (!skipListeners) {
/**
- * Triggered when a component is resized.
+ * Triggered when a `Component` is ready.
*
- * @event Component#componentresize
+ * @event Component#ready
* @type {EventTarget~Event}
*/
- this.trigger('componentresize');
- }
- return;
+
+ this.trigger('ready');
+ }, 1);
}
+ /**
+ * Find a single DOM element matching a `selector`. This can be within the `Component`s
+ * `contentEl()` or another custom context.
+ *
+ * @param {string} selector
+ * A valid CSS selector, which will be passed to `querySelector`.
+ *
+ * @param {Element|string} [context=this.contentEl()]
+ * A DOM element within which to query. Can also be a selector string in
+ * which case the first matching element will get used as context. If
+ * missing `this.contentEl()` gets used. If `this.contentEl()` returns
+ * nothing it falls back to `document`.
+ *
+ * @return {Element|null}
+ * the dom element that was found, or null
+ *
+ * @see [Information on CSS Selectors](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Getting_Started/Selectors)
+ */
+ ;
- // Not setting a value, so getting it
- // Make sure element exists
- if (!this.el_) {
- return 0;
+ _proto.$ = function $$1(selector, context) {
+ return $(selector, context || this.contentEl());
}
+ /**
+ * Finds all DOM element matching a `selector`. This can be within the `Component`s
+ * `contentEl()` or another custom context.
+ *
+ * @param {string} selector
+ * A valid CSS selector, which will be passed to `querySelectorAll`.
+ *
+ * @param {Element|string} [context=this.contentEl()]
+ * A DOM element within which to query. Can also be a selector string in
+ * which case the first matching element will get used as context. If
+ * missing `this.contentEl()` gets used. If `this.contentEl()` returns
+ * nothing it falls back to `document`.
+ *
+ * @return {NodeList}
+ * a list of dom elements that were found
+ *
+ * @see [Information on CSS Selectors](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Getting_Started/Selectors)
+ */
+ ;
- // Get dimension value from style
- var val = this.el_.style[widthOrHeight];
- var pxIndex = val.indexOf('px');
+ _proto.$$ = function $$$1(selector, context) {
+ return $$(selector, context || this.contentEl());
+ }
+ /**
+ * Check if a component's element has a CSS class name.
+ *
+ * @param {string} classToCheck
+ * CSS class name to check.
+ *
+ * @return {boolean}
+ * - True if the `Component` has the class.
+ * - False if the `Component` does not have the class`
+ */
+ ;
- if (pxIndex !== -1) {
- // Return the pixel value with no 'px'
- return parseInt(val.slice(0, pxIndex), 10);
+ _proto.hasClass = function hasClass$1(classToCheck) {
+ return hasClass(this.el_, classToCheck);
}
+ /**
+ * Add a CSS class name to the `Component`s element.
+ *
+ * @param {string} classToAdd
+ * CSS class name to add
+ */
+ ;
- // No px so using % or no style was set, so falling back to offsetWidth/height
- // If component has display:none, offset will return 0
- // TODO: handle display:none and no dimension style using px
- return parseInt(this.el_['offset' + toTitleCase(widthOrHeight)], 10);
- };
+ _proto.addClass = function addClass$1(classToAdd) {
+ addClass(this.el_, classToAdd);
+ }
+ /**
+ * Remove a CSS class name from the `Component`s element.
+ *
+ * @param {string} classToRemove
+ * CSS class name to remove
+ */
+ ;
- /**
- * Get the width or the height of the `Component` elements computed style. Uses
- * `window.getComputedStyle`.
- *
- * @param {string} widthOrHeight
- * A string containing 'width' or 'height'. Whichever one you want to get.
- *
- * @return {number}
- * The dimension that gets asked for or 0 if nothing was set
- * for that dimension.
- */
+ _proto.removeClass = function removeClass$1(classToRemove) {
+ removeClass(this.el_, classToRemove);
+ }
+ /**
+ * Add or remove a CSS class name from the component's element.
+ * - `classToToggle` gets added when {@link Component#hasClass} would return false.
+ * - `classToToggle` gets removed when {@link Component#hasClass} would return true.
+ *
+ * @param {string} classToToggle
+ * The class to add or remove based on (@link Component#hasClass}
+ *
+ * @param {boolean|Dom~predicate} [predicate]
+ * An {@link Dom~predicate} function or a boolean
+ */
+ ;
+ _proto.toggleClass = function toggleClass$1(classToToggle, predicate) {
+ toggleClass(this.el_, classToToggle, predicate);
+ }
+ /**
+ * Show the `Component`s element if it is hidden by removing the
+ * 'vjs-hidden' class name from it.
+ */
+ ;
- Component.prototype.currentDimension = function currentDimension(widthOrHeight) {
- var computedWidthOrHeight = 0;
+ _proto.show = function show() {
+ this.removeClass('vjs-hidden');
+ }
+ /**
+ * Hide the `Component`s element if it is currently showing by adding the
+ * 'vjs-hidden` class name to it.
+ */
+ ;
- if (widthOrHeight !== 'width' && widthOrHeight !== 'height') {
- throw new Error('currentDimension only accepts width or height value');
+ _proto.hide = function hide() {
+ this.addClass('vjs-hidden');
}
+ /**
+ * Lock a `Component`s element in its visible state by adding the 'vjs-lock-showing'
+ * class name to it. Used during fadeIn/fadeOut.
+ *
+ * @private
+ */
+ ;
- if (typeof window_1.getComputedStyle === 'function') {
- var computedStyle = window_1.getComputedStyle(this.el_);
+ _proto.lockShowing = function lockShowing() {
+ this.addClass('vjs-lock-showing');
+ }
+ /**
+ * Unlock a `Component`s element from its visible state by removing the 'vjs-lock-showing'
+ * class name from it. Used during fadeIn/fadeOut.
+ *
+ * @private
+ */
+ ;
- computedWidthOrHeight = computedStyle.getPropertyValue(widthOrHeight) || computedStyle[widthOrHeight];
+ _proto.unlockShowing = function unlockShowing() {
+ this.removeClass('vjs-lock-showing');
}
+ /**
+ * Get the value of an attribute on the `Component`s element.
+ *
+ * @param {string} attribute
+ * Name of the attribute to get the value from.
+ *
+ * @return {string|null}
+ * - The value of the attribute that was asked for.
+ * - Can be an empty string on some browsers if the attribute does not exist
+ * or has no value
+ * - Most browsers will return null if the attibute does not exist or has
+ * no value.
+ *
+ * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/getAttribute}
+ */
+ ;
- // remove 'px' from variable and parse as integer
- computedWidthOrHeight = parseFloat(computedWidthOrHeight);
+ _proto.getAttribute = function getAttribute$1(attribute) {
+ return getAttribute(this.el_, attribute);
+ }
+ /**
+ * Set the value of an attribute on the `Component`'s element
+ *
+ * @param {string} attribute
+ * Name of the attribute to set.
+ *
+ * @param {string} value
+ * Value to set the attribute to.
+ *
+ * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/setAttribute}
+ */
+ ;
- // if the computed value is still 0, it's possible that the browser is lying
- // and we want to check the offset values.
- // This code also runs on IE8 and wherever getComputedStyle doesn't exist.
- if (computedWidthOrHeight === 0) {
- var rule = 'offset' + toTitleCase(widthOrHeight);
+ _proto.setAttribute = function setAttribute$1(attribute, value) {
+ setAttribute(this.el_, attribute, value);
+ }
+ /**
+ * Remove an attribute from the `Component`s element.
+ *
+ * @param {string} attribute
+ * Name of the attribute to remove.
+ *
+ * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/removeAttribute}
+ */
+ ;
- computedWidthOrHeight = this.el_[rule];
+ _proto.removeAttribute = function removeAttribute$1(attribute) {
+ removeAttribute(this.el_, attribute);
}
+ /**
+ * Get or set the width of the component based upon the CSS styles.
+ * See {@link Component#dimension} for more detailed information.
+ *
+ * @param {number|string} [num]
+ * The width that you want to set postfixed with '%', 'px' or nothing.
+ *
+ * @param {boolean} [skipListeners]
+ * Skip the componentresize event trigger
+ *
+ * @return {number|string}
+ * The width when getting, zero if there is no width. Can be a string
+ * postpixed with '%' or 'px'.
+ */
+ ;
- return computedWidthOrHeight;
- };
+ _proto.width = function width(num, skipListeners) {
+ return this.dimension('width', num, skipListeners);
+ }
+ /**
+ * Get or set the height of the component based upon the CSS styles.
+ * See {@link Component#dimension} for more detailed information.
+ *
+ * @param {number|string} [num]
+ * The height that you want to set postfixed with '%', 'px' or nothing.
+ *
+ * @param {boolean} [skipListeners]
+ * Skip the componentresize event trigger
+ *
+ * @return {number|string}
+ * The width when getting, zero if there is no width. Can be a string
+ * postpixed with '%' or 'px'.
+ */
+ ;
- /**
- * An object that contains width and height values of the `Component`s
- * computed style. Uses `window.getComputedStyle`.
- *
- * @typedef {Object} Component~DimensionObject
- *
- * @property {number} width
- * The width of the `Component`s computed style.
- *
- * @property {number} height
- * The height of the `Component`s computed style.
- */
+ _proto.height = function height(num, skipListeners) {
+ return this.dimension('height', num, skipListeners);
+ }
+ /**
+ * Set both the width and height of the `Component` element at the same time.
+ *
+ * @param {number|string} width
+ * Width to set the `Component`s element to.
+ *
+ * @param {number|string} height
+ * Height to set the `Component`s element to.
+ */
+ ;
- /**
- * Get an object that contains width and height values of the `Component`s
- * computed style.
- *
- * @return {Component~DimensionObject}
- * The dimensions of the components element
- */
+ _proto.dimensions = function dimensions(width, height) {
+ // Skip componentresize listeners on width for optimization
+ this.width(width, true);
+ this.height(height);
+ }
+ /**
+ * Get or set width or height of the `Component` element. This is the shared code
+ * for the {@link Component#width} and {@link Component#height}.
+ *
+ * Things to know:
+ * - If the width or height in an number this will return the number postfixed with 'px'.
+ * - If the width/height is a percent this will return the percent postfixed with '%'
+ * - Hidden elements have a width of 0 with `window.getComputedStyle`. This function
+ * defaults to the `Component`s `style.width` and falls back to `window.getComputedStyle`.
+ * See [this]{@link http://www.foliotek.com/devblog/getting-the-width-of-a-hidden-element-with-jquery-using-width/}
+ * for more information
+ * - If you want the computed style of the component, use {@link Component#currentWidth}
+ * and {@link {Component#currentHeight}
+ *
+ * @fires Component#componentresize
+ *
+ * @param {string} widthOrHeight
+ 8 'width' or 'height'
+ *
+ * @param {number|string} [num]
+ 8 New dimension
+ *
+ * @param {boolean} [skipListeners]
+ * Skip componentresize event trigger
+ *
+ * @return {number}
+ * The dimension when getting or 0 if unset
+ */
+ ;
+ _proto.dimension = function dimension(widthOrHeight, num, skipListeners) {
+ if (num !== undefined) {
+ // Set to zero if null or literally NaN (NaN !== NaN)
+ if (num === null || num !== num) {
+ num = 0;
+ } // Check if using css width/height (% or px) and adjust
- Component.prototype.currentDimensions = function currentDimensions() {
- return {
- width: this.currentDimension('width'),
- height: this.currentDimension('height')
- };
- };
- /**
- * Get the width of the `Component`s computed style. Uses `window.getComputedStyle`.
- *
- * @return {number} width
- * The width of the `Component`s computed style.
- */
+ if (('' + num).indexOf('%') !== -1 || ('' + num).indexOf('px') !== -1) {
+ this.el_.style[widthOrHeight] = num;
+ } else if (num === 'auto') {
+ this.el_.style[widthOrHeight] = '';
+ } else {
+ this.el_.style[widthOrHeight] = num + 'px';
+ } // skipListeners allows us to avoid triggering the resize event when setting both width and height
- Component.prototype.currentWidth = function currentWidth() {
- return this.currentDimension('width');
- };
+ if (!skipListeners) {
+ /**
+ * Triggered when a component is resized.
+ *
+ * @event Component#componentresize
+ * @type {EventTarget~Event}
+ */
+ this.trigger('componentresize');
+ }
- /**
- * Get the height of the `Component`s computed style. Uses `window.getComputedStyle`.
- *
- * @return {number} height
- * The height of the `Component`s computed style.
- */
+ return;
+ } // Not setting a value, so getting it
+ // Make sure element exists
- Component.prototype.currentHeight = function currentHeight() {
- return this.currentDimension('height');
- };
+ if (!this.el_) {
+ return 0;
+ } // Get dimension value from style
- /**
- * Set the focus to this component
- */
+ var val = this.el_.style[widthOrHeight];
+ var pxIndex = val.indexOf('px');
- Component.prototype.focus = function focus() {
- this.el_.focus();
- };
+ if (pxIndex !== -1) {
+ // Return the pixel value with no 'px'
+ return parseInt(val.slice(0, pxIndex), 10);
+ } // No px so using % or no style was set, so falling back to offsetWidth/height
+ // If component has display:none, offset will return 0
+ // TODO: handle display:none and no dimension style using px
- /**
- * Remove the focus from this component
- */
+ return parseInt(this.el_['offset' + toTitleCase(widthOrHeight)], 10);
+ }
+ /**
+ * Get the computed width or the height of the component's element.
+ *
+ * Uses `window.getComputedStyle`.
+ *
+ * @param {string} widthOrHeight
+ * A string containing 'width' or 'height'. Whichever one you want to get.
+ *
+ * @return {number}
+ * The dimension that gets asked for or 0 if nothing was set
+ * for that dimension.
+ */
+ ;
+
+ _proto.currentDimension = function currentDimension(widthOrHeight) {
+ var computedWidthOrHeight = 0;
- Component.prototype.blur = function blur() {
- this.el_.blur();
- };
+ if (widthOrHeight !== 'width' && widthOrHeight !== 'height') {
+ throw new Error('currentDimension only accepts width or height value');
+ }
- /**
- * Emit a 'tap' events when touch event support gets detected. This gets used to
- * support toggling the controls through a tap on the video. They get enabled
- * because every sub-component would have extra overhead otherwise.
- *
- * @private
- * @fires Component#tap
- * @listens Component#touchstart
- * @listens Component#touchmove
- * @listens Component#touchleave
- * @listens Component#touchcancel
- * @listens Component#touchend
- */
+ computedWidthOrHeight = computedStyle(this.el_, widthOrHeight); // remove 'px' from variable and parse as integer
+ computedWidthOrHeight = parseFloat(computedWidthOrHeight); // if the computed value is still 0, it's possible that the browser is lying
+ // and we want to check the offset values.
+ // This code also runs wherever getComputedStyle doesn't exist.
- Component.prototype.emitTapEvents = function emitTapEvents() {
- // Track the start time so we can determine how long the touch lasted
- var touchStart = 0;
- var firstTouch = null;
+ if (computedWidthOrHeight === 0 || isNaN(computedWidthOrHeight)) {
+ var rule = "offset" + toTitleCase(widthOrHeight);
+ computedWidthOrHeight = this.el_[rule];
+ }
- // Maximum movement allowed during a touch event to still be considered a tap
- // Other popular libs use anywhere from 2 (hammer.js) to 15,
- // so 10 seems like a nice, round number.
- var tapMovementThreshold = 10;
+ return computedWidthOrHeight;
+ }
+ /**
+ * An object that contains width and height values of the `Component`s
+ * computed style. Uses `window.getComputedStyle`.
+ *
+ * @typedef {Object} Component~DimensionObject
+ *
+ * @property {number} width
+ * The width of the `Component`s computed style.
+ *
+ * @property {number} height
+ * The height of the `Component`s computed style.
+ */
- // The maximum length a touch can be while still being considered a tap
- var touchTimeThreshold = 200;
+ /**
+ * Get an object that contains computed width and height values of the
+ * component's element.
+ *
+ * Uses `window.getComputedStyle`.
+ *
+ * @return {Component~DimensionObject}
+ * The computed dimensions of the component's element.
+ */
+ ;
- var couldBeTap = void 0;
+ _proto.currentDimensions = function currentDimensions() {
+ return {
+ width: this.currentDimension('width'),
+ height: this.currentDimension('height')
+ };
+ }
+ /**
+ * Get the computed width of the component's element.
+ *
+ * Uses `window.getComputedStyle`.
+ *
+ * @return {number}
+ * The computed width of the component's element.
+ */
+ ;
- this.on('touchstart', function (event) {
- // If more than one finger, don't consider treating this as a click
- if (event.touches.length === 1) {
- // Copy pageX/pageY from the object
- firstTouch = {
- pageX: event.touches[0].pageX,
- pageY: event.touches[0].pageY
- };
- // Record start time so we can detect a tap vs. "touch and hold"
- touchStart = new Date().getTime();
- // Reset couldBeTap tracking
- couldBeTap = true;
+ _proto.currentWidth = function currentWidth() {
+ return this.currentDimension('width');
+ }
+ /**
+ * Get the computed height of the component's element.
+ *
+ * Uses `window.getComputedStyle`.
+ *
+ * @return {number}
+ * The computed height of the component's element.
+ */
+ ;
+
+ _proto.currentHeight = function currentHeight() {
+ return this.currentDimension('height');
+ }
+ /**
+ * Set the focus to this component
+ */
+ ;
+
+ _proto.focus = function focus() {
+ this.el_.focus();
+ }
+ /**
+ * Remove the focus from this component
+ */
+ ;
+
+ _proto.blur = function blur() {
+ this.el_.blur();
+ }
+ /**
+ * When this Component receives a `keydown` event which it does not process,
+ * it passes the event to the Player for handling.
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown` event that caused this function to be called.
+ */
+ ;
+
+ _proto.handleKeyDown = function handleKeyDown(event) {
+ if (this.player_) {
+ // We only stop propagation here because we want unhandled events to fall
+ // back to the browser.
+ event.stopPropagation();
+ this.player_.handleKeyDown(event);
}
- });
+ }
+ /**
+ * Many components used to have a `handleKeyPress` method, which was poorly
+ * named because it listened to a `keydown` event. This method name now
+ * delegates to `handleKeyDown`. This means anyone calling `handleKeyPress`
+ * will not see their method calls stop working.
+ *
+ * @param {EventTarget~Event} event
+ * The event that caused this function to be called.
+ */
+ ;
- this.on('touchmove', function (event) {
- // If more than one finger, don't consider treating this as a click
- if (event.touches.length > 1) {
- couldBeTap = false;
- } else if (firstTouch) {
- // Some devices will throw touchmoves for all but the slightest of taps.
- // So, if we moved only a small distance, this could still be a tap
- var xdiff = event.touches[0].pageX - firstTouch.pageX;
- var ydiff = event.touches[0].pageY - firstTouch.pageY;
- var touchDistance = Math.sqrt(xdiff * xdiff + ydiff * ydiff);
-
- if (touchDistance > tapMovementThreshold) {
+ _proto.handleKeyPress = function handleKeyPress(event) {
+ this.handleKeyDown(event);
+ }
+ /**
+ * Emit a 'tap' events when touch event support gets detected. This gets used to
+ * support toggling the controls through a tap on the video. They get enabled
+ * because every sub-component would have extra overhead otherwise.
+ *
+ * @private
+ * @fires Component#tap
+ * @listens Component#touchstart
+ * @listens Component#touchmove
+ * @listens Component#touchleave
+ * @listens Component#touchcancel
+ * @listens Component#touchend
+ */
+ ;
+
+ _proto.emitTapEvents = function emitTapEvents() {
+ // Track the start time so we can determine how long the touch lasted
+ var touchStart = 0;
+ var firstTouch = null; // Maximum movement allowed during a touch event to still be considered a tap
+ // Other popular libs use anywhere from 2 (hammer.js) to 15,
+ // so 10 seems like a nice, round number.
+
+ var tapMovementThreshold = 10; // The maximum length a touch can be while still being considered a tap
+
+ var touchTimeThreshold = 200;
+ var couldBeTap;
+ this.on('touchstart', function (event) {
+ // If more than one finger, don't consider treating this as a click
+ if (event.touches.length === 1) {
+ // Copy pageX/pageY from the object
+ firstTouch = {
+ pageX: event.touches[0].pageX,
+ pageY: event.touches[0].pageY
+ }; // Record start time so we can detect a tap vs. "touch and hold"
+
+ touchStart = window$3.performance.now(); // Reset couldBeTap tracking
+
+ couldBeTap = true;
+ }
+ });
+ this.on('touchmove', function (event) {
+ // If more than one finger, don't consider treating this as a click
+ if (event.touches.length > 1) {
couldBeTap = false;
+ } else if (firstTouch) {
+ // Some devices will throw touchmoves for all but the slightest of taps.
+ // So, if we moved only a small distance, this could still be a tap
+ var xdiff = event.touches[0].pageX - firstTouch.pageX;
+ var ydiff = event.touches[0].pageY - firstTouch.pageY;
+ var touchDistance = Math.sqrt(xdiff * xdiff + ydiff * ydiff);
+
+ if (touchDistance > tapMovementThreshold) {
+ couldBeTap = false;
+ }
}
- }
- });
+ });
- var noTap = function noTap() {
- couldBeTap = false;
- };
+ var noTap = function noTap() {
+ couldBeTap = false;
+ }; // TODO: Listen to the original target. http://youtu.be/DujfpXOKUp8?t=13m8s
- // TODO: Listen to the original target. http://youtu.be/DujfpXOKUp8?t=13m8s
- this.on('touchleave', noTap);
- this.on('touchcancel', noTap);
- // When the touch ends, measure how long it took and trigger the appropriate
- // event
- this.on('touchend', function (event) {
- firstTouch = null;
- // Proceed only if the touchmove/leave/cancel event didn't happen
- if (couldBeTap === true) {
- // Measure how long the touch lasted
- var touchTime = new Date().getTime() - touchStart;
+ this.on('touchleave', noTap);
+ this.on('touchcancel', noTap); // When the touch ends, measure how long it took and trigger the appropriate
+ // event
- // Make sure the touch was less than the threshold to be considered a tap
- if (touchTime < touchTimeThreshold) {
- // Don't let browser turn this into a click
- event.preventDefault();
- /**
- * Triggered when a `Component` is tapped.
- *
- * @event Component#tap
- * @type {EventTarget~Event}
- */
- this.trigger('tap');
- // It may be good to copy the touchend event object and change the
- // type to tap, if the other event properties aren't exact after
- // Events.fixEvent runs (e.g. event.target)
- }
- }
- });
- };
+ this.on('touchend', function (event) {
+ firstTouch = null; // Proceed only if the touchmove/leave/cancel event didn't happen
- /**
- * This function reports user activity whenever touch events happen. This can get
- * turned off by any sub-components that wants touch events to act another way.
- *
- * Report user touch activity when touch events occur. User activity gets used to
- * determine when controls should show/hide. It is simple when it comes to mouse
- * events, because any mouse event should show the controls. So we capture mouse
- * events that bubble up to the player and report activity when that happens.
- * With touch events it isn't as easy as `touchstart` and `touchend` toggle player
- * controls. So touch events can't help us at the player level either.
- *
- * User activity gets checked asynchronously. So what could happen is a tap event
- * on the video turns the controls off. Then the `touchend` event bubbles up to
- * the player. Which, if it reported user activity, would turn the controls right
- * back on. We also don't want to completely block touch events from bubbling up.
- * Furthermore a `touchmove` event and anything other than a tap, should not turn
- * controls back on.
- *
- * @listens Component#touchstart
- * @listens Component#touchmove
- * @listens Component#touchend
- * @listens Component#touchcancel
- */
+ if (couldBeTap === true) {
+ // Measure how long the touch lasted
+ var touchTime = window$3.performance.now() - touchStart; // Make sure the touch was less than the threshold to be considered a tap
+ if (touchTime < touchTimeThreshold) {
+ // Don't let browser turn this into a click
+ event.preventDefault();
+ /**
+ * Triggered when a `Component` is tapped.
+ *
+ * @event Component#tap
+ * @type {EventTarget~Event}
+ */
- Component.prototype.enableTouchActivity = function enableTouchActivity() {
- // Don't continue if the root player doesn't support reporting user activity
- if (!this.player() || !this.player().reportUserActivity) {
- return;
+ this.trigger('tap'); // It may be good to copy the touchend event object and change the
+ // type to tap, if the other event properties aren't exact after
+ // Events.fixEvent runs (e.g. event.target)
+ }
+ }
+ });
}
+ /**
+ * This function reports user activity whenever touch events happen. This can get
+ * turned off by any sub-components that wants touch events to act another way.
+ *
+ * Report user touch activity when touch events occur. User activity gets used to
+ * determine when controls should show/hide. It is simple when it comes to mouse
+ * events, because any mouse event should show the controls. So we capture mouse
+ * events that bubble up to the player and report activity when that happens.
+ * With touch events it isn't as easy as `touchstart` and `touchend` toggle player
+ * controls. So touch events can't help us at the player level either.
+ *
+ * User activity gets checked asynchronously. So what could happen is a tap event
+ * on the video turns the controls off. Then the `touchend` event bubbles up to
+ * the player. Which, if it reported user activity, would turn the controls right
+ * back on. We also don't want to completely block touch events from bubbling up.
+ * Furthermore a `touchmove` event and anything other than a tap, should not turn
+ * controls back on.
+ *
+ * @listens Component#touchstart
+ * @listens Component#touchmove
+ * @listens Component#touchend
+ * @listens Component#touchcancel
+ */
+ ;
- // listener for reporting that the user is active
- var report = bind(this.player(), this.player().reportUserActivity);
+ _proto.enableTouchActivity = function enableTouchActivity() {
+ // Don't continue if the root player doesn't support reporting user activity
+ if (!this.player() || !this.player().reportUserActivity) {
+ return;
+ } // listener for reporting that the user is active
- var touchHolding = void 0;
- this.on('touchstart', function () {
- report();
- // For as long as the they are touching the device or have their mouse down,
- // we consider them active even if they're not moving their finger or mouse.
- // So we want to continue to update that they are active
- this.clearInterval(touchHolding);
- // report at the same interval as activityCheck
- touchHolding = this.setInterval(report, 250);
- });
+ var report = bind(this.player(), this.player().reportUserActivity);
+ var touchHolding;
+ this.on('touchstart', function () {
+ report(); // For as long as the they are touching the device or have their mouse down,
+ // we consider them active even if they're not moving their finger or mouse.
+ // So we want to continue to update that they are active
- var touchEnd = function touchEnd(event) {
- report();
- // stop the interval that maintains activity if the touch is holding
- this.clearInterval(touchHolding);
- };
-
- this.on('touchmove', report);
- this.on('touchend', touchEnd);
- this.on('touchcancel', touchEnd);
- };
-
- /**
- * A callback that has no parameters and is bound into `Component`s context.
- *
- * @callback Component~GenericCallback
- * @this Component
- */
-
- /**
- * Creates a function that runs after an `x` millisecond timeout. This function is a
- * wrapper around `window.setTimeout`. There are a few reasons to use this one
- * instead though:
- * 1. It gets cleared via {@link Component#clearTimeout} when
- * {@link Component#dispose} gets called.
- * 2. The function callback will gets turned into a {@link Component~GenericCallback}
- *
- * > Note: You can use `window.clearTimeout` on the id returned by this function. This
- * will cause its dispose listener not to get cleaned up! Please use
- * {@link Component#clearTimeout} or {@link Component#dispose}.
- *
- * @param {Component~GenericCallback} fn
- * The function that will be run after `timeout`.
- *
- * @param {number} timeout
- * Timeout in milliseconds to delay before executing the specified function.
- *
- * @return {number}
- * Returns a timeout ID that gets used to identify the timeout. It can also
- * get used in {@link Component#clearTimeout} to clear the timeout that
- * was set.
- *
- * @listens Component#dispose
- * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setTimeout}
- */
+ this.clearInterval(touchHolding); // report at the same interval as activityCheck
+ touchHolding = this.setInterval(report, 250);
+ });
- Component.prototype.setTimeout = function setTimeout(fn, timeout) {
- var _this2 = this;
+ var touchEnd = function touchEnd(event) {
+ report(); // stop the interval that maintains activity if the touch is holding
- fn = bind(this, fn);
+ this.clearInterval(touchHolding);
+ };
- var timeoutId = window_1.setTimeout(fn, timeout);
- var disposeFn = function disposeFn() {
- return _this2.clearTimeout(timeoutId);
- };
+ this.on('touchmove', report);
+ this.on('touchend', touchEnd);
+ this.on('touchcancel', touchEnd);
+ }
+ /**
+ * A callback that has no parameters and is bound into `Component`s context.
+ *
+ * @callback Component~GenericCallback
+ * @this Component
+ */
- disposeFn.guid = 'vjs-timeout-' + timeoutId;
+ /**
+ * Creates a function that runs after an `x` millisecond timeout. This function is a
+ * wrapper around `window.setTimeout`. There are a few reasons to use this one
+ * instead though:
+ * 1. It gets cleared via {@link Component#clearTimeout} when
+ * {@link Component#dispose} gets called.
+ * 2. The function callback will gets turned into a {@link Component~GenericCallback}
+ *
+ * > Note: You can't use `window.clearTimeout` on the id returned by this function. This
+ * will cause its dispose listener not to get cleaned up! Please use
+ * {@link Component#clearTimeout} or {@link Component#dispose} instead.
+ *
+ * @param {Component~GenericCallback} fn
+ * The function that will be run after `timeout`.
+ *
+ * @param {number} timeout
+ * Timeout in milliseconds to delay before executing the specified function.
+ *
+ * @return {number}
+ * Returns a timeout ID that gets used to identify the timeout. It can also
+ * get used in {@link Component#clearTimeout} to clear the timeout that
+ * was set.
+ *
+ * @listens Component#dispose
+ * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setTimeout}
+ */
+ ;
- this.on('dispose', disposeFn);
+ _proto.setTimeout = function setTimeout(fn, timeout) {
+ var _this2 = this;
- return timeoutId;
- };
+ // declare as variables so they are properly available in timeout function
+ // eslint-disable-next-line
+ var timeoutId;
+ fn = bind(this, fn);
+ this.clearTimersOnDispose_();
+ timeoutId = window$3.setTimeout(function () {
+ if (_this2.setTimeoutIds_.has(timeoutId)) {
+ _this2.setTimeoutIds_["delete"](timeoutId);
+ }
- /**
- * Clears a timeout that gets created via `window.setTimeout` or
- * {@link Component#setTimeout}. If you set a timeout via {@link Component#setTimeout}
- * use this function instead of `window.clearTimout`. If you don't your dispose
- * listener will not get cleaned up until {@link Component#dispose}!
- *
- * @param {number} timeoutId
- * The id of the timeout to clear. The return value of
- * {@link Component#setTimeout} or `window.setTimeout`.
- *
- * @return {number}
- * Returns the timeout id that was cleared.
- *
- * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/clearTimeout}
- */
+ fn();
+ }, timeout);
+ this.setTimeoutIds_.add(timeoutId);
+ return timeoutId;
+ }
+ /**
+ * Clears a timeout that gets created via `window.setTimeout` or
+ * {@link Component#setTimeout}. If you set a timeout via {@link Component#setTimeout}
+ * use this function instead of `window.clearTimout`. If you don't your dispose
+ * listener will not get cleaned up until {@link Component#dispose}!
+ *
+ * @param {number} timeoutId
+ * The id of the timeout to clear. The return value of
+ * {@link Component#setTimeout} or `window.setTimeout`.
+ *
+ * @return {number}
+ * Returns the timeout id that was cleared.
+ *
+ * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/clearTimeout}
+ */
+ ;
+ _proto.clearTimeout = function clearTimeout(timeoutId) {
+ if (this.setTimeoutIds_.has(timeoutId)) {
+ this.setTimeoutIds_["delete"](timeoutId);
+ window$3.clearTimeout(timeoutId);
+ }
- Component.prototype.clearTimeout = function clearTimeout(timeoutId) {
- window_1.clearTimeout(timeoutId);
+ return timeoutId;
+ }
+ /**
+ * Creates a function that gets run every `x` milliseconds. This function is a wrapper
+ * around `window.setInterval`. There are a few reasons to use this one instead though.
+ * 1. It gets cleared via {@link Component#clearInterval} when
+ * {@link Component#dispose} gets called.
+ * 2. The function callback will be a {@link Component~GenericCallback}
+ *
+ * @param {Component~GenericCallback} fn
+ * The function to run every `x` seconds.
+ *
+ * @param {number} interval
+ * Execute the specified function every `x` milliseconds.
+ *
+ * @return {number}
+ * Returns an id that can be used to identify the interval. It can also be be used in
+ * {@link Component#clearInterval} to clear the interval.
+ *
+ * @listens Component#dispose
+ * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setInterval}
+ */
+ ;
- var disposeFn = function disposeFn() {};
+ _proto.setInterval = function setInterval(fn, interval) {
+ fn = bind(this, fn);
+ this.clearTimersOnDispose_();
+ var intervalId = window$3.setInterval(fn, interval);
+ this.setIntervalIds_.add(intervalId);
+ return intervalId;
+ }
+ /**
+ * Clears an interval that gets created via `window.setInterval` or
+ * {@link Component#setInterval}. If you set an inteval via {@link Component#setInterval}
+ * use this function instead of `window.clearInterval`. If you don't your dispose
+ * listener will not get cleaned up until {@link Component#dispose}!
+ *
+ * @param {number} intervalId
+ * The id of the interval to clear. The return value of
+ * {@link Component#setInterval} or `window.setInterval`.
+ *
+ * @return {number}
+ * Returns the interval id that was cleared.
+ *
+ * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/clearInterval}
+ */
+ ;
- disposeFn.guid = 'vjs-timeout-' + timeoutId;
+ _proto.clearInterval = function clearInterval(intervalId) {
+ if (this.setIntervalIds_.has(intervalId)) {
+ this.setIntervalIds_["delete"](intervalId);
+ window$3.clearInterval(intervalId);
+ }
- this.off('dispose', disposeFn);
+ return intervalId;
+ }
+ /**
+ * Queues up a callback to be passed to requestAnimationFrame (rAF), but
+ * with a few extra bonuses:
+ *
+ * - Supports browsers that do not support rAF by falling back to
+ * {@link Component#setTimeout}.
+ *
+ * - The callback is turned into a {@link Component~GenericCallback} (i.e.
+ * bound to the component).
+ *
+ * - Automatic cancellation of the rAF callback is handled if the component
+ * is disposed before it is called.
+ *
+ * @param {Component~GenericCallback} fn
+ * A function that will be bound to this component and executed just
+ * before the browser's next repaint.
+ *
+ * @return {number}
+ * Returns an rAF ID that gets used to identify the timeout. It can
+ * also be used in {@link Component#cancelAnimationFrame} to cancel
+ * the animation frame callback.
+ *
+ * @listens Component#dispose
+ * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/window/requestAnimationFrame}
+ */
+ ;
- return timeoutId;
- };
+ _proto.requestAnimationFrame = function requestAnimationFrame(fn) {
+ var _this3 = this;
- /**
- * Creates a function that gets run every `x` milliseconds. This function is a wrapper
- * around `window.setInterval`. There are a few reasons to use this one instead though.
- * 1. It gets cleared via {@link Component#clearInterval} when
- * {@link Component#dispose} gets called.
- * 2. The function callback will be a {@link Component~GenericCallback}
- *
- * @param {Component~GenericCallback} fn
- * The function to run every `x` seconds.
- *
- * @param {number} interval
- * Execute the specified function every `x` milliseconds.
- *
- * @return {number}
- * Returns an id that can be used to identify the interval. It can also be be used in
- * {@link Component#clearInterval} to clear the interval.
- *
- * @listens Component#dispose
- * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setInterval}
- */
+ // Fall back to using a timer.
+ if (!this.supportsRaf_) {
+ return this.setTimeout(fn, 1000 / 60);
+ }
+ this.clearTimersOnDispose_(); // declare as variables so they are properly available in rAF function
+ // eslint-disable-next-line
- Component.prototype.setInterval = function setInterval(fn, interval) {
- var _this3 = this;
+ var id;
+ fn = bind(this, fn);
+ id = window$3.requestAnimationFrame(function () {
+ if (_this3.rafIds_.has(id)) {
+ _this3.rafIds_["delete"](id);
+ }
- fn = bind(this, fn);
+ fn();
+ });
+ this.rafIds_.add(id);
+ return id;
+ }
+ /**
+ * Cancels a queued callback passed to {@link Component#requestAnimationFrame}
+ * (rAF).
+ *
+ * If you queue an rAF callback via {@link Component#requestAnimationFrame},
+ * use this function instead of `window.cancelAnimationFrame`. If you don't,
+ * your dispose listener will not get cleaned up until {@link Component#dispose}!
+ *
+ * @param {number} id
+ * The rAF ID to clear. The return value of {@link Component#requestAnimationFrame}.
+ *
+ * @return {number}
+ * Returns the rAF ID that was cleared.
+ *
+ * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/window/cancelAnimationFrame}
+ */
+ ;
- var intervalId = window_1.setInterval(fn, interval);
+ _proto.cancelAnimationFrame = function cancelAnimationFrame(id) {
+ // Fall back to using a timer.
+ if (!this.supportsRaf_) {
+ return this.clearTimeout(id);
+ }
- var disposeFn = function disposeFn() {
- return _this3.clearInterval(intervalId);
- };
+ if (this.rafIds_.has(id)) {
+ this.rafIds_["delete"](id);
+ window$3.cancelAnimationFrame(id);
+ }
- disposeFn.guid = 'vjs-interval-' + intervalId;
+ return id;
+ }
+ /**
+ * A function to setup `requestAnimationFrame`, `setTimeout`,
+ * and `setInterval`, clearing on dispose.
+ *
+ * > Previously each timer added and removed dispose listeners on it's own.
+ * For better performance it was decided to batch them all, and use `Set`s
+ * to track outstanding timer ids.
+ *
+ * @private
+ */
+ ;
- this.on('dispose', disposeFn);
+ _proto.clearTimersOnDispose_ = function clearTimersOnDispose_() {
+ var _this4 = this;
- return intervalId;
- };
+ if (this.clearingTimersOnDispose_) {
+ return;
+ }
- /**
- * Clears an interval that gets created via `window.setInterval` or
- * {@link Component#setInterval}. If you set an inteval via {@link Component#setInterval}
- * use this function instead of `window.clearInterval`. If you don't your dispose
- * listener will not get cleaned up until {@link Component#dispose}!
- *
- * @param {number} intervalId
- * The id of the interval to clear. The return value of
- * {@link Component#setInterval} or `window.setInterval`.
- *
- * @return {number}
- * Returns the interval id that was cleared.
- *
- * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/clearInterval}
- */
+ this.clearingTimersOnDispose_ = true;
+ this.one('dispose', function () {
+ [['rafIds_', 'cancelAnimationFrame'], ['setTimeoutIds_', 'clearTimeout'], ['setIntervalIds_', 'clearInterval']].forEach(function (_ref) {
+ var idName = _ref[0],
+ cancelName = _ref[1];
+ _this4[idName].forEach(_this4[cancelName], _this4);
+ });
+ _this4.clearingTimersOnDispose_ = false;
+ });
+ }
+ /**
+ * Register a `Component` with `videojs` given the name and the component.
+ *
+ * > NOTE: {@link Tech}s should not be registered as a `Component`. {@link Tech}s
+ * should be registered using {@link Tech.registerTech} or
+ * {@link videojs:videojs.registerTech}.
+ *
+ * > NOTE: This function can also be seen on videojs as
+ * {@link videojs:videojs.registerComponent}.
+ *
+ * @param {string} name
+ * The name of the `Component` to register.
+ *
+ * @param {Component} ComponentToRegister
+ * The `Component` class to register.
+ *
+ * @return {Component}
+ * The `Component` that was registered.
+ */
+ ;
- Component.prototype.clearInterval = function clearInterval(intervalId) {
- window_1.clearInterval(intervalId);
+ Component.registerComponent = function registerComponent(name, ComponentToRegister) {
+ if (typeof name !== 'string' || !name) {
+ throw new Error("Illegal component name, \"" + name + "\"; must be a non-empty string.");
+ }
- var disposeFn = function disposeFn() {};
+ var Tech = Component.getComponent('Tech'); // We need to make sure this check is only done if Tech has been registered.
- disposeFn.guid = 'vjs-interval-' + intervalId;
+ var isTech = Tech && Tech.isTech(ComponentToRegister);
+ var isComp = Component === ComponentToRegister || Component.prototype.isPrototypeOf(ComponentToRegister.prototype);
- this.off('dispose', disposeFn);
+ if (isTech || !isComp) {
+ var reason;
- return intervalId;
- };
+ if (isTech) {
+ reason = 'techs must be registered using Tech.registerTech()';
+ } else {
+ reason = 'must be a Component subclass';
+ }
- /**
- * Queues up a callback to be passed to requestAnimationFrame (rAF), but
- * with a few extra bonuses:
- *
- * - Supports browsers that do not support rAF by falling back to
- * {@link Component#setTimeout}.
- *
- * - The callback is turned into a {@link Component~GenericCallback} (i.e.
- * bound to the component).
- *
- * - Automatic cancellation of the rAF callback is handled if the component
- * is disposed before it is called.
- *
- * @param {Component~GenericCallback} fn
- * A function that will be bound to this component and executed just
- * before the browser's next repaint.
- *
- * @return {number}
- * Returns an rAF ID that gets used to identify the timeout. It can
- * also be used in {@link Component#cancelAnimationFrame} to cancel
- * the animation frame callback.
- *
- * @listens Component#dispose
- * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/window/requestAnimationFrame}
- */
+ throw new Error("Illegal component, \"" + name + "\"; " + reason + ".");
+ }
+ name = toTitleCase(name);
- Component.prototype.requestAnimationFrame = function requestAnimationFrame(fn) {
- var _this4 = this;
+ if (!Component.components_) {
+ Component.components_ = {};
+ }
- if (this.supportsRaf_) {
- fn = bind(this, fn);
+ var Player = Component.getComponent('Player');
- var id = window_1.requestAnimationFrame(fn);
- var disposeFn = function disposeFn() {
- return _this4.cancelAnimationFrame(id);
- };
+ if (name === 'Player' && Player && Player.players) {
+ var players = Player.players;
+ var playerNames = Object.keys(players); // If we have players that were disposed, then their name will still be
+ // in Players.players. So, we must loop through and verify that the value
+ // for each item is not null. This allows registration of the Player component
+ // after all players have been disposed or before any were created.
- disposeFn.guid = 'vjs-raf-' + id;
- this.on('dispose', disposeFn);
+ if (players && playerNames.length > 0 && playerNames.map(function (pname) {
+ return players[pname];
+ }).every(Boolean)) {
+ throw new Error('Can not register Player component after player has been created.');
+ }
+ }
- return id;
+ Component.components_[name] = ComponentToRegister;
+ Component.components_[toLowerCase(name)] = ComponentToRegister;
+ return ComponentToRegister;
}
+ /**
+ * Get a `Component` based on the name it was registered with.
+ *
+ * @param {string} name
+ * The Name of the component to get.
+ *
+ * @return {Component}
+ * The `Component` that got registered under the given name.
+ *
+ * @deprecated In `videojs` 6 this will not return `Component`s that were not
+ * registered using {@link Component.registerComponent}. Currently we
+ * check the global `videojs` object for a `Component` name and
+ * return that if it exists.
+ */
+ ;
- // Fall back to using a timer.
- return this.setTimeout(fn, 1000 / 60);
- };
+ Component.getComponent = function getComponent(name) {
+ if (!name || !Component.components_) {
+ return;
+ }
+
+ return Component.components_[name];
+ };
+ return Component;
+ }();
/**
- * Cancels a queued callback passed to {@link Component#requestAnimationFrame}
- * (rAF).
- *
- * If you queue an rAF callback via {@link Component#requestAnimationFrame},
- * use this function instead of `window.cancelAnimationFrame`. If you don't,
- * your dispose listener will not get cleaned up until {@link Component#dispose}!
+ * Whether or not this component supports `requestAnimationFrame`.
*
- * @param {number} id
- * The rAF ID to clear. The return value of {@link Component#requestAnimationFrame}.
- *
- * @return {number}
- * Returns the rAF ID that was cleared.
+ * This is exposed primarily for testing purposes.
*
- * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/window/cancelAnimationFrame}
+ * @private
+ * @type {Boolean}
*/
- Component.prototype.cancelAnimationFrame = function cancelAnimationFrame(id) {
- if (this.supportsRaf_) {
- window_1.cancelAnimationFrame(id);
+ Component.prototype.supportsRaf_ = typeof window$3.requestAnimationFrame === 'function' && typeof window$3.cancelAnimationFrame === 'function';
+ Component.registerComponent('Component', Component);
- var disposeFn = function disposeFn() {};
+ function _assertThisInitialized(self) {
+ if (self === void 0) {
+ throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
+ }
- disposeFn.guid = 'vjs-raf-' + id;
+ return self;
+ }
- this.off('dispose', disposeFn);
+ var assertThisInitialized = _assertThisInitialized;
- return id;
+ var _typeof_1 = createCommonjsModule(function (module) {
+ function _typeof(obj) {
+ "@babel/helpers - typeof";
+
+ if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
+ module.exports = _typeof = function _typeof(obj) {
+ return typeof obj;
+ };
+ } else {
+ module.exports = _typeof = function _typeof(obj) {
+ return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
+ };
+ }
+
+ return _typeof(obj);
}
- // Fall back to using a timer.
- return this.clearTimeout(id);
- };
+ module.exports = _typeof;
+ });
+
+ var getPrototypeOf = createCommonjsModule(function (module) {
+ function _getPrototypeOf(o) {
+ module.exports = _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
+ return o.__proto__ || Object.getPrototypeOf(o);
+ };
+ return _getPrototypeOf(o);
+ }
+
+ module.exports = _getPrototypeOf;
+ });
+
+ function _inheritsLoose(subClass, superClass) {
+ subClass.prototype = Object.create(superClass.prototype);
+ subClass.prototype.constructor = subClass;
+ subClass.__proto__ = superClass;
+ }
+
+ var inheritsLoose = _inheritsLoose;
/**
- * Register a `Component` with `videojs` given the name and the component.
- *
- * > NOTE: {@link Tech}s should not be registered as a `Component`. {@link Tech}s
- * should be registered using {@link Tech.registerTech} or
- * {@link videojs:videojs.registerTech}.
- *
- * > NOTE: This function can also be seen on videojs as
- * {@link videojs:videojs.registerComponent}.
- *
- * @param {string} name
- * The name of the `Component` to register.
+ * @file browser.js
+ * @module browser
+ */
+ var USER_AGENT = window$3.navigator && window$3.navigator.userAgent || '';
+ var webkitVersionMap = /AppleWebKit\/([\d.]+)/i.exec(USER_AGENT);
+ var appleWebkitVersion = webkitVersionMap ? parseFloat(webkitVersionMap.pop()) : null;
+ /**
+ * Whether or not this device is an iPod.
*
- * @param {Component} ComponentToRegister
- * The `Component` class to register.
+ * @static
+ * @const
+ * @type {Boolean}
+ */
+
+ var IS_IPOD = /iPod/i.test(USER_AGENT);
+ /**
+ * The detected iOS version - or `null`.
*
- * @return {Component}
- * The `Component` that was registered.
+ * @static
+ * @const
+ * @type {string|null}
*/
+ var IOS_VERSION = function () {
+ var match = USER_AGENT.match(/OS (\d+)_/i);
- Component.registerComponent = function registerComponent(name, ComponentToRegister) {
- if (typeof name !== 'string' || !name) {
- throw new Error('Illegal component name, "' + name + '"; must be a non-empty string.');
+ if (match && match[1]) {
+ return match[1];
}
- var Tech = Component.getComponent('Tech');
-
- // We need to make sure this check is only done if Tech has been registered.
- var isTech = Tech && Tech.isTech(ComponentToRegister);
- var isComp = Component === ComponentToRegister || Component.prototype.isPrototypeOf(ComponentToRegister.prototype);
+ return null;
+ }();
+ /**
+ * Whether or not this is an Android device.
+ *
+ * @static
+ * @const
+ * @type {Boolean}
+ */
- if (isTech || !isComp) {
- var reason = void 0;
+ var IS_ANDROID = /Android/i.test(USER_AGENT);
+ /**
+ * The detected Android version - or `null`.
+ *
+ * @static
+ * @const
+ * @type {number|string|null}
+ */
- if (isTech) {
- reason = 'techs must be registered using Tech.registerTech()';
- } else {
- reason = 'must be a Component subclass';
- }
+ var ANDROID_VERSION = function () {
+ // This matches Android Major.Minor.Patch versions
+ // ANDROID_VERSION is Major.Minor as a Number, if Minor isn't available, then only Major is returned
+ var match = USER_AGENT.match(/Android (\d+)(?:\.(\d+))?(?:\.(\d+))*/i);
- throw new Error('Illegal component, "' + name + '"; ' + reason + '.');
+ if (!match) {
+ return null;
}
- name = toTitleCase(name);
+ var major = match[1] && parseFloat(match[1]);
+ var minor = match[2] && parseFloat(match[2]);
- if (!Component.components_) {
- Component.components_ = {};
+ if (major && minor) {
+ return parseFloat(match[1] + '.' + match[2]);
+ } else if (major) {
+ return major;
}
- var Player = Component.getComponent('Player');
-
- if (name === 'Player' && Player && Player.players) {
- var players = Player.players;
- var playerNames = Object.keys(players);
-
- // If we have players that were disposed, then their name will still be
- // in Players.players. So, we must loop through and verify that the value
- // for each item is not null. This allows registration of the Player component
- // after all players have been disposed or before any were created.
- if (players && playerNames.length > 0 && playerNames.map(function (pname) {
- return players[pname];
- }).every(Boolean)) {
- throw new Error('Can not register Player component after player has been created.');
- }
- }
+ return null;
+ }();
+ /**
+ * Whether or not this is a native Android browser.
+ *
+ * @static
+ * @const
+ * @type {Boolean}
+ */
- Component.components_[name] = ComponentToRegister;
+ var IS_NATIVE_ANDROID = IS_ANDROID && ANDROID_VERSION < 5 && appleWebkitVersion < 537;
+ /**
+ * Whether or not this is Mozilla Firefox.
+ *
+ * @static
+ * @const
+ * @type {Boolean}
+ */
- return ComponentToRegister;
- };
+ var IS_FIREFOX = /Firefox/i.test(USER_AGENT);
+ /**
+ * Whether or not this is Microsoft Edge.
+ *
+ * @static
+ * @const
+ * @type {Boolean}
+ */
+ var IS_EDGE = /Edg/i.test(USER_AGENT);
/**
- * Get a `Component` based on the name it was registered with.
+ * Whether or not this is Google Chrome.
*
- * @param {string} name
- * The Name of the component to get.
+ * This will also be `true` for Chrome on iOS, which will have different support
+ * as it is actually Safari under the hood.
*
- * @return {Component}
- * The `Component` that got registered under the given name.
+ * @static
+ * @const
+ * @type {Boolean}
+ */
+
+ var IS_CHROME = !IS_EDGE && (/Chrome/i.test(USER_AGENT) || /CriOS/i.test(USER_AGENT));
+ /**
+ * The detected Google Chrome version - or `null`.
*
- * @deprecated In `videojs` 6 this will not return `Component`s that were not
- * registered using {@link Component.registerComponent}. Currently we
- * check the global `videojs` object for a `Component` name and
- * return that if it exists.
+ * @static
+ * @const
+ * @type {number|null}
*/
+ var CHROME_VERSION = function () {
+ var match = USER_AGENT.match(/(Chrome|CriOS)\/(\d+)/);
- Component.getComponent = function getComponent(name) {
- if (!name) {
- return;
+ if (match && match[2]) {
+ return parseFloat(match[2]);
}
- name = toTitleCase(name);
+ return null;
+ }();
+ /**
+ * The detected Internet Explorer version - or `null`.
+ *
+ * @static
+ * @const
+ * @type {number|null}
+ */
+
+ var IE_VERSION = function () {
+ var result = /MSIE\s(\d+)\.\d/.exec(USER_AGENT);
+ var version = result && parseFloat(result[1]);
- if (Component.components_ && Component.components_[name]) {
- return Component.components_[name];
+ if (!version && /Trident\/7.0/i.test(USER_AGENT) && /rv:11.0/.test(USER_AGENT)) {
+ // IE 11 has a different user agent string than other IE versions
+ version = 11.0;
}
- };
- return Component;
-}();
+ return version;
+ }();
+ /**
+ * Whether or not this is desktop Safari.
+ *
+ * @static
+ * @const
+ * @type {Boolean}
+ */
-/**
- * Whether or not this component supports `requestAnimationFrame`.
- *
- * This is exposed primarily for testing purposes.
- *
- * @private
- * @type {Boolean}
- */
+ var IS_SAFARI = /Safari/i.test(USER_AGENT) && !IS_CHROME && !IS_ANDROID && !IS_EDGE;
+ /**
+ * Whether or not this is a Windows machine.
+ *
+ * @static
+ * @const
+ * @type {Boolean}
+ */
+ var IS_WINDOWS = /Windows/i.test(USER_AGENT);
+ /**
+ * Whether or not this device is touch-enabled.
+ *
+ * @static
+ * @const
+ * @type {Boolean}
+ */
-Component.prototype.supportsRaf_ = typeof window_1.requestAnimationFrame === 'function' && typeof window_1.cancelAnimationFrame === 'function';
+ var TOUCH_ENABLED = isReal() && ('ontouchstart' in window$3 || window$3.navigator.maxTouchPoints || window$3.DocumentTouch && window$3.document instanceof window$3.DocumentTouch);
+ /**
+ * Whether or not this device is an iPad.
+ *
+ * @static
+ * @const
+ * @type {Boolean}
+ */
-Component.registerComponent('Component', Component);
+ var IS_IPAD = /iPad/i.test(USER_AGENT) || IS_SAFARI && TOUCH_ENABLED && !/iPhone/i.test(USER_AGENT);
+ /**
+ * Whether or not this device is an iPhone.
+ *
+ * @static
+ * @const
+ * @type {Boolean}
+ */
+ // The Facebook app's UIWebView identifies as both an iPhone and iPad, so
+ // to identify iPhones, we need to exclude iPads.
+ // http://artsy.github.io/blog/2012/10/18/the-perils-of-ios-user-agent-sniffing/
-/**
- * @file time-ranges.js
- * @module time-ranges
- */
+ var IS_IPHONE = /iPhone/i.test(USER_AGENT) && !IS_IPAD;
+ /**
+ * Whether or not this is an iOS device.
+ *
+ * @static
+ * @const
+ * @type {Boolean}
+ */
-/**
- * Returns the time for the specified index at the start or end
- * of a TimeRange object.
- *
- * @function time-ranges:indexFunction
- *
- * @param {number} [index=0]
- * The range number to return the time for.
- *
- * @return {number}
- * The time that offset at the specified index.
- *
- * @depricated index must be set to a value, in the future this will throw an error.
- */
+ var IS_IOS = IS_IPHONE || IS_IPAD || IS_IPOD;
+ /**
+ * Whether or not this is any flavor of Safari - including iOS.
+ *
+ * @static
+ * @const
+ * @type {Boolean}
+ */
-/**
- * An object that contains ranges of time for various reasons.
- *
- * @typedef {Object} TimeRange
- *
- * @property {number} length
- * The number of time ranges represented by this Object
- *
- * @property {time-ranges:indexFunction} start
- * Returns the time offset at which a specified time range begins.
- *
- * @property {time-ranges:indexFunction} end
- * Returns the time offset at which a specified time range begins.
- *
- * @see https://developer.mozilla.org/en-US/docs/Web/API/TimeRanges
- */
-
-/**
- * Check if any of the time ranges are over the maximum index.
- *
- * @param {string} fnName
- * The function name to use for logging
- *
- * @param {number} index
- * The index to check
- *
- * @param {number} maxIndex
- * The maximum possible index
- *
- * @throws {Error} if the timeRanges provided are over the maxIndex
- */
-function rangeCheck(fnName, index, maxIndex) {
- if (typeof index !== 'number' || index < 0 || index > maxIndex) {
- throw new Error('Failed to execute \'' + fnName + '\' on \'TimeRanges\': The index provided (' + index + ') is non-numeric or out of bounds (0-' + maxIndex + ').');
- }
-}
-
-/**
- * Check if any of the time ranges are over the maximum index.
- *
- * @param {string} fnName
- * The function name to use for logging
- *
- * @param {string} valueIndex
- * The proprety that should be used to get the time. should be 'start' or 'end'
- *
- * @param {Array} ranges
- * An array of time ranges
- *
- * @param {Array} [rangeIndex=0]
- * The index to start the search at
- *
- * @return {number}
- * The time that offset at the specified index.
- *
- *
- * @depricated rangeIndex must be set to a value, in the future this will throw an error.
- * @throws {Error} if rangeIndex is more than the length of ranges
- */
-function getRange(fnName, valueIndex, ranges, rangeIndex) {
- rangeCheck(fnName, rangeIndex, ranges.length - 1);
- return ranges[rangeIndex][valueIndex];
-}
-
-/**
- * Create a time range object givent ranges of time.
- *
- * @param {Array} [ranges]
- * An array of time ranges.
- */
-function createTimeRangesObj(ranges) {
- if (ranges === undefined || ranges.length === 0) {
- return {
- length: 0,
- start: function start() {
- throw new Error('This TimeRanges object is empty');
- },
- end: function end() {
- throw new Error('This TimeRanges object is empty');
- }
- };
- }
- return {
- length: ranges.length,
- start: getRange.bind(null, 'start', 0, ranges),
- end: getRange.bind(null, 'end', 1, ranges)
- };
-}
-
-/**
- * Should create a fake `TimeRange` object which mimics an HTML5 time range instance.
- *
- * @param {number|Array} start
- * The start of a single range or an array of ranges
- *
- * @param {number} end
- * The end of a single range.
- *
- * @private
- */
-function createTimeRanges(start, end) {
- if (Array.isArray(start)) {
- return createTimeRangesObj(start);
- } else if (start === undefined || end === undefined) {
- return createTimeRangesObj();
- }
- return createTimeRangesObj([[start, end]]);
-}
+ var IS_ANY_SAFARI = (IS_SAFARI || IS_IOS) && !IS_CHROME;
-/**
- * @file buffer.js
- * @module buffer
- */
-/**
- * Compute the percentage of the media that has been buffered.
- *
- * @param {TimeRange} buffered
- * The current `TimeRange` object representing buffered time ranges
- *
- * @param {number} duration
- * Total duration of the media
- *
- * @return {number}
- * Percent buffered of the total duration in decimal form.
- */
-function bufferedPercent(buffered, duration) {
- var bufferedDuration = 0;
- var start = void 0;
- var end = void 0;
+ var browser = /*#__PURE__*/Object.freeze({
+ __proto__: null,
+ IS_IPOD: IS_IPOD,
+ IOS_VERSION: IOS_VERSION,
+ IS_ANDROID: IS_ANDROID,
+ ANDROID_VERSION: ANDROID_VERSION,
+ IS_NATIVE_ANDROID: IS_NATIVE_ANDROID,
+ IS_FIREFOX: IS_FIREFOX,
+ IS_EDGE: IS_EDGE,
+ IS_CHROME: IS_CHROME,
+ CHROME_VERSION: CHROME_VERSION,
+ IE_VERSION: IE_VERSION,
+ IS_SAFARI: IS_SAFARI,
+ IS_WINDOWS: IS_WINDOWS,
+ TOUCH_ENABLED: TOUCH_ENABLED,
+ IS_IPAD: IS_IPAD,
+ IS_IPHONE: IS_IPHONE,
+ IS_IOS: IS_IOS,
+ IS_ANY_SAFARI: IS_ANY_SAFARI
+ });
- if (!duration) {
- return 0;
- }
+ /**
+ * @file time-ranges.js
+ * @module time-ranges
+ */
- if (!buffered || !buffered.length) {
- buffered = createTimeRanges(0, 0);
- }
+ /**
+ * Returns the time for the specified index at the start or end
+ * of a TimeRange object.
+ *
+ * @typedef {Function} TimeRangeIndex
+ *
+ * @param {number} [index=0]
+ * The range number to return the time for.
+ *
+ * @return {number}
+ * The time offset at the specified index.
+ *
+ * @deprecated The index argument must be provided.
+ * In the future, leaving it out will throw an error.
+ */
- for (var i = 0; i < buffered.length; i++) {
- start = buffered.start(i);
- end = buffered.end(i);
+ /**
+ * An object that contains ranges of time.
+ *
+ * @typedef {Object} TimeRange
+ *
+ * @property {number} length
+ * The number of time ranges represented by this object.
+ *
+ * @property {module:time-ranges~TimeRangeIndex} start
+ * Returns the time offset at which a specified time range begins.
+ *
+ * @property {module:time-ranges~TimeRangeIndex} end
+ * Returns the time offset at which a specified time range ends.
+ *
+ * @see https://developer.mozilla.org/en-US/docs/Web/API/TimeRanges
+ */
- // buffered end can be bigger than duration by a very small fraction
- if (end > duration) {
- end = duration;
+ /**
+ * Check if any of the time ranges are over the maximum index.
+ *
+ * @private
+ * @param {string} fnName
+ * The function name to use for logging
+ *
+ * @param {number} index
+ * The index to check
+ *
+ * @param {number} maxIndex
+ * The maximum possible index
+ *
+ * @throws {Error} if the timeRanges provided are over the maxIndex
+ */
+ function rangeCheck(fnName, index, maxIndex) {
+ if (typeof index !== 'number' || index < 0 || index > maxIndex) {
+ throw new Error("Failed to execute '" + fnName + "' on 'TimeRanges': The index provided (" + index + ") is non-numeric or out of bounds (0-" + maxIndex + ").");
}
-
- bufferedDuration += end - start;
}
+ /**
+ * Get the time for the specified index at the start or end
+ * of a TimeRange object.
+ *
+ * @private
+ * @param {string} fnName
+ * The function name to use for logging
+ *
+ * @param {string} valueIndex
+ * The property that should be used to get the time. should be
+ * 'start' or 'end'
+ *
+ * @param {Array} ranges
+ * An array of time ranges
+ *
+ * @param {Array} [rangeIndex=0]
+ * The index to start the search at
+ *
+ * @return {number}
+ * The time that offset at the specified index.
+ *
+ * @deprecated rangeIndex must be set to a value, in the future this will throw an error.
+ * @throws {Error} if rangeIndex is more than the length of ranges
+ */
- return bufferedDuration / duration;
-}
-/**
- * @file fullscreen-api.js
- * @module fullscreen-api
- * @private
- */
-/**
- * Store the browser-specific methods for the fullscreen API.
- *
- * @type {Object}
- * @see [Specification]{@link https://fullscreen.spec.whatwg.org}
- * @see [Map Approach From Screenfull.js]{@link https://github.com/sindresorhus/screenfull.js}
- */
-var FullscreenApi = {};
-
-// browser API methods
-var apiMap = [['requestFullscreen', 'exitFullscreen', 'fullscreenElement', 'fullscreenEnabled', 'fullscreenchange', 'fullscreenerror'],
-// WebKit
-['webkitRequestFullscreen', 'webkitExitFullscreen', 'webkitFullscreenElement', 'webkitFullscreenEnabled', 'webkitfullscreenchange', 'webkitfullscreenerror'],
-// Old WebKit (Safari 5.1)
-['webkitRequestFullScreen', 'webkitCancelFullScreen', 'webkitCurrentFullScreenElement', 'webkitCancelFullScreen', 'webkitfullscreenchange', 'webkitfullscreenerror'],
-// Mozilla
-['mozRequestFullScreen', 'mozCancelFullScreen', 'mozFullScreenElement', 'mozFullScreenEnabled', 'mozfullscreenchange', 'mozfullscreenerror'],
-// Microsoft
-['msRequestFullscreen', 'msExitFullscreen', 'msFullscreenElement', 'msFullscreenEnabled', 'MSFullscreenChange', 'MSFullscreenError']];
-
-var specApi = apiMap[0];
-var browserApi = void 0;
-
-// determine the supported set of functions
-for (var i = 0; i < apiMap.length; i++) {
- // check for exitFullscreen function
- if (apiMap[i][1] in document_1) {
- browserApi = apiMap[i];
- break;
+ function getRange(fnName, valueIndex, ranges, rangeIndex) {
+ rangeCheck(fnName, rangeIndex, ranges.length - 1);
+ return ranges[rangeIndex][valueIndex];
}
-}
+ /**
+ * Create a time range object given ranges of time.
+ *
+ * @private
+ * @param {Array} [ranges]
+ * An array of time ranges.
+ */
-// map the browser API names to the spec API names
-if (browserApi) {
- for (var _i = 0; _i < browserApi.length; _i++) {
- FullscreenApi[specApi[_i]] = browserApi[_i];
- }
-}
-/**
- * @file media-error.js
- */
-/**
- * A Custom `MediaError` class which mimics the standard HTML5 `MediaError` class.
- *
- * @param {number|string|Object|MediaError} value
- * This can be of multiple types:
- * - number: should be a standard error code
- * - string: an error message (the code will be 0)
- * - Object: arbitrary properties
- * - `MediaError` (native): used to populate a video.js `MediaError` object
- * - `MediaError` (video.js): will return itself if it's already a
- * video.js `MediaError` object.
- *
- * @see [MediaError Spec]{@link https://dev.w3.org/html5/spec-author-view/video.html#mediaerror}
- * @see [Encrypted MediaError Spec]{@link https://www.w3.org/TR/2013/WD-encrypted-media-20130510/#error-codes}
- *
- * @class MediaError
- */
-function MediaError(value) {
+ function createTimeRangesObj(ranges) {
+ if (ranges === undefined || ranges.length === 0) {
+ return {
+ length: 0,
+ start: function start() {
+ throw new Error('This TimeRanges object is empty');
+ },
+ end: function end() {
+ throw new Error('This TimeRanges object is empty');
+ }
+ };
+ }
- // Allow redundant calls to this constructor to avoid having `instanceof`
- // checks peppered around the code.
- if (value instanceof MediaError) {
- return value;
+ return {
+ length: ranges.length,
+ start: getRange.bind(null, 'start', 0, ranges),
+ end: getRange.bind(null, 'end', 1, ranges)
+ };
}
+ /**
+ * Create a `TimeRange` object which mimics an
+ * {@link https://developer.mozilla.org/en-US/docs/Web/API/TimeRanges|HTML5 TimeRanges instance}.
+ *
+ * @param {number|Array[]} start
+ * The start of a single range (a number) or an array of ranges (an
+ * array of arrays of two numbers each).
+ *
+ * @param {number} end
+ * The end of a single range. Cannot be used with the array form of
+ * the `start` argument.
+ */
- if (typeof value === 'number') {
- this.code = value;
- } else if (typeof value === 'string') {
- // default code is zero, so this is a custom error
- this.message = value;
- } else if (isObject(value)) {
- // We assign the `code` property manually because native `MediaError` objects
- // do not expose it as an own/enumerable property of the object.
- if (typeof value.code === 'number') {
- this.code = value.code;
+ function createTimeRanges(start, end) {
+ if (Array.isArray(start)) {
+ return createTimeRangesObj(start);
+ } else if (start === undefined || end === undefined) {
+ return createTimeRangesObj();
}
- assign(this, value);
- }
-
- if (!this.message) {
- this.message = MediaError.defaultMessages[this.code] || '';
+ return createTimeRangesObj([[start, end]]);
}
-}
-
-/**
- * The error code that refers two one of the defined `MediaError` types
- *
- * @type {Number}
- */
-MediaError.prototype.code = 0;
-
-/**
- * An optional message that to show with the error. Message is not part of the HTML5
- * video spec but allows for more informative custom errors.
- *
- * @type {String}
- */
-MediaError.prototype.message = '';
-
-/**
- * An optional status code that can be set by plugins to allow even more detail about
- * the error. For example a plugin might provide a specific HTTP status code and an
- * error message for that code. Then when the plugin gets that error this class will
- * know how to display an error message for it. This allows a custom message to show
- * up on the `Player` error overlay.
- *
- * @type {Array}
- */
-MediaError.prototype.status = null;
-/**
- * Errors indexed by the W3C standard. The order **CANNOT CHANGE**! See the
- * specification listed under {@link MediaError} for more information.
- *
- * @enum {array}
- * @readonly
- * @property {string} 0 - MEDIA_ERR_CUSTOM
- * @property {string} 1 - MEDIA_ERR_CUSTOM
- * @property {string} 2 - MEDIA_ERR_ABORTED
- * @property {string} 3 - MEDIA_ERR_NETWORK
- * @property {string} 4 - MEDIA_ERR_SRC_NOT_SUPPORTED
- * @property {string} 5 - MEDIA_ERR_ENCRYPTED
- */
-MediaError.errorTypes = ['MEDIA_ERR_CUSTOM', 'MEDIA_ERR_ABORTED', 'MEDIA_ERR_NETWORK', 'MEDIA_ERR_DECODE', 'MEDIA_ERR_SRC_NOT_SUPPORTED', 'MEDIA_ERR_ENCRYPTED'];
+ /**
+ * @file buffer.js
+ * @module buffer
+ */
+ /**
+ * Compute the percentage of the media that has been buffered.
+ *
+ * @param {TimeRange} buffered
+ * The current `TimeRange` object representing buffered time ranges
+ *
+ * @param {number} duration
+ * Total duration of the media
+ *
+ * @return {number}
+ * Percent buffered of the total duration in decimal form.
+ */
-/**
- * The default `MediaError` messages based on the {@link MediaError.errorTypes}.
- *
- * @type {Array}
- * @constant
- */
-MediaError.defaultMessages = {
- 1: 'You aborted the media playback',
- 2: 'A network error caused the media download to fail part-way.',
- 3: 'The media playback was aborted due to a corruption problem or because the media used features your browser did not support.',
- 4: 'The media could not be loaded, either because the server or network failed or because the format is not supported.',
- 5: 'The media is encrypted and we do not have the keys to decrypt it.'
-};
-
-// Add types as properties on MediaError
-// e.g. MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED = 4;
-for (var errNum = 0; errNum < MediaError.errorTypes.length; errNum++) {
- MediaError[MediaError.errorTypes[errNum]] = errNum;
- // values should be accessible on both the class and instance
- MediaError.prototype[MediaError.errorTypes[errNum]] = errNum;
-}
-
-var tuple = SafeParseTuple;
-
-function SafeParseTuple(obj, reviver) {
- var json;
- var error = null;
+ function bufferedPercent(buffered, duration) {
+ var bufferedDuration = 0;
+ var start;
+ var end;
- try {
- json = JSON.parse(obj, reviver);
- } catch (err) {
- error = err;
+ if (!duration) {
+ return 0;
}
- return [error, json]
-}
-
-/**
- * Returns whether an object is `Promise`-like (i.e. has a `then` method).
- *
- * @param {Object} value
- * An object that may or may not be `Promise`-like.
- *
- * @return {Boolean}
- * Whether or not the object is `Promise`-like.
- */
-function isPromise(value) {
- return value !== undefined && value !== null && typeof value.then === 'function';
-}
-
-/**
- * Silence a Promise-like object.
- *
- * This is useful for avoiding non-harmful, but potentially confusing "uncaught
- * play promise" rejection error messages.
- *
- * @param {Object} value
- * An object that may or may not be `Promise`-like.
- */
-function silencePromise(value) {
- if (isPromise(value)) {
- value.then(null, function (e) {});
- }
-}
+ if (!buffered || !buffered.length) {
+ buffered = createTimeRanges(0, 0);
+ }
-/**
- * @file text-track-list-converter.js Utilities for capturing text track state and
- * re-creating tracks based on a capture.
- *
- * @module text-track-list-converter
- */
+ for (var i = 0; i < buffered.length; i++) {
+ start = buffered.start(i);
+ end = buffered.end(i); // buffered end can be bigger than duration by a very small fraction
-/**
- * Examine a single {@link TextTrack} and return a JSON-compatible javascript object that
- * represents the {@link TextTrack}'s state.
- *
- * @param {TextTrack} track
- * The text track to query.
- *
- * @return {Object}
- * A serializable javascript representation of the TextTrack.
- * @private
- */
-var trackToJson_ = function trackToJson_(track) {
- var ret = ['kind', 'label', 'language', 'id', 'inBandMetadataTrackDispatchType', 'mode', 'src'].reduce(function (acc, prop, i) {
+ if (end > duration) {
+ end = duration;
+ }
- if (track[prop]) {
- acc[prop] = track[prop];
+ bufferedDuration += end - start;
}
- return acc;
- }, {
- cues: track.cues && Array.prototype.map.call(track.cues, function (cue) {
- return {
- startTime: cue.startTime,
- endTime: cue.endTime,
- text: cue.text,
- id: cue.id
- };
- })
- });
-
- return ret;
-};
+ return bufferedDuration / duration;
+ }
-/**
- * Examine a {@link Tech} and return a JSON-compatible javascript array that represents the
- * state of all {@link TextTrack}s currently configured. The return array is compatible with
- * {@link text-track-list-converter:jsonToTextTracks}.
- *
- * @param {Tech} tech
- * The tech object to query
- *
- * @return {Array}
- * A serializable javascript representation of the {@link Tech}s
- * {@link TextTrackList}.
- */
-var textTracksToJson = function textTracksToJson(tech) {
+ /**
+ * @file fullscreen-api.js
+ * @module fullscreen-api
+ * @private
+ */
+ /**
+ * Store the browser-specific methods for the fullscreen API.
+ *
+ * @type {Object}
+ * @see [Specification]{@link https://fullscreen.spec.whatwg.org}
+ * @see [Map Approach From Screenfull.js]{@link https://github.com/sindresorhus/screenfull.js}
+ */
- var trackEls = tech.$$('track');
+ var FullscreenApi = {
+ prefixed: true
+ }; // browser API methods
- var trackObjs = Array.prototype.map.call(trackEls, function (t) {
- return t.track;
- });
- var tracks = Array.prototype.map.call(trackEls, function (trackEl) {
- var json = trackToJson_(trackEl.track);
+ var apiMap = [['requestFullscreen', 'exitFullscreen', 'fullscreenElement', 'fullscreenEnabled', 'fullscreenchange', 'fullscreenerror', 'fullscreen'], // WebKit
+ ['webkitRequestFullscreen', 'webkitExitFullscreen', 'webkitFullscreenElement', 'webkitFullscreenEnabled', 'webkitfullscreenchange', 'webkitfullscreenerror', '-webkit-full-screen'], // Mozilla
+ ['mozRequestFullScreen', 'mozCancelFullScreen', 'mozFullScreenElement', 'mozFullScreenEnabled', 'mozfullscreenchange', 'mozfullscreenerror', '-moz-full-screen'], // Microsoft
+ ['msRequestFullscreen', 'msExitFullscreen', 'msFullscreenElement', 'msFullscreenEnabled', 'MSFullscreenChange', 'MSFullscreenError', '-ms-fullscreen']];
+ var specApi = apiMap[0];
+ var browserApi; // determine the supported set of functions
- if (trackEl.src) {
- json.src = trackEl.src;
+ for (var i = 0; i < apiMap.length; i++) {
+ // check for exitFullscreen function
+ if (apiMap[i][1] in document) {
+ browserApi = apiMap[i];
+ break;
}
- return json;
- });
+ } // map the browser API names to the spec API names
- return tracks.concat(Array.prototype.filter.call(tech.textTracks(), function (track) {
- return trackObjs.indexOf(track) === -1;
- }).map(trackToJson_));
-};
-
-/**
- * Create a set of remote {@link TextTrack}s on a {@link Tech} based on an array of javascript
- * object {@link TextTrack} representations.
- *
- * @param {Array} json
- * An array of `TextTrack` representation objects, like those that would be
- * produced by `textTracksToJson`.
- *
- * @param {Tech} tech
- * The `Tech` to create the `TextTrack`s on.
- */
-var jsonToTextTracks = function jsonToTextTracks(json, tech) {
- json.forEach(function (track) {
- var addedTrack = tech.addRemoteTextTrack(track).track;
- if (!track.src && track.cues) {
- track.cues.forEach(function (cue) {
- return addedTrack.addCue(cue);
- });
+ if (browserApi) {
+ for (var _i = 0; _i < browserApi.length; _i++) {
+ FullscreenApi[specApi[_i]] = browserApi[_i];
}
- });
-
- return tech.textTracks();
-};
-
-var textTrackConverter = { textTracksToJson: textTracksToJson, jsonToTextTracks: jsonToTextTracks, trackToJson_: trackToJson_ };
-
-/**
- * @file modal-dialog.js
- */
-var MODAL_CLASS_NAME = 'vjs-modal-dialog';
-var ESC = 27;
-
-/**
- * The `ModalDialog` displays over the video and its controls, which blocks
- * interaction with the player until it is closed.
- *
- * Modal dialogs include a "Close" button and will close when that button
- * is activated - or when ESC is pressed anywhere.
- *
- * @extends Component
- */
-var ModalDialog = function (_Component) {
- inherits(ModalDialog, _Component);
+ FullscreenApi.prefixed = browserApi[0] !== specApi[0];
+ }
/**
- * Create an instance of this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
- *
- * @param {Object} [options]
- * The key/value store of player options.
- *
- * @param {Mixed} [options.content=undefined]
- * Provide customized content for this modal.
- *
- * @param {string} [options.description]
- * A text description for the modal, primarily for accessibility.
- *
- * @param {boolean} [options.fillAlways=false]
- * Normally, modals are automatically filled only the first time
- * they open. This tells the modal to refresh its content
- * every time it opens.
+ * @file media-error.js
+ */
+ /**
+ * A Custom `MediaError` class which mimics the standard HTML5 `MediaError` class.
*
- * @param {string} [options.label]
- * A text label for the modal, primarily for accessibility.
+ * @param {number|string|Object|MediaError} value
+ * This can be of multiple types:
+ * - number: should be a standard error code
+ * - string: an error message (the code will be 0)
+ * - Object: arbitrary properties
+ * - `MediaError` (native): used to populate a video.js `MediaError` object
+ * - `MediaError` (video.js): will return itself if it's already a
+ * video.js `MediaError` object.
*
- * @param {boolean} [options.temporary=true]
- * If `true`, the modal can only be opened once; it will be
- * disposed as soon as it's closed.
+ * @see [MediaError Spec]{@link https://dev.w3.org/html5/spec-author-view/video.html#mediaerror}
+ * @see [Encrypted MediaError Spec]{@link https://www.w3.org/TR/2013/WD-encrypted-media-20130510/#error-codes}
*
- * @param {boolean} [options.uncloseable=false]
- * If `true`, the user will not be able to close the modal
- * through the UI in the normal ways. Programmatic closing is
- * still possible.
+ * @class MediaError
*/
- function ModalDialog(player, options) {
- classCallCheck(this, ModalDialog);
-
- var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
- _this.opened_ = _this.hasBeenOpened_ = _this.hasBeenFilled_ = false;
-
- _this.closeable(!_this.options_.uncloseable);
- _this.content(_this.options_.content);
+ function MediaError(value) {
+ // Allow redundant calls to this constructor to avoid having `instanceof`
+ // checks peppered around the code.
+ if (value instanceof MediaError) {
+ return value;
+ }
- // Make sure the contentEl is defined AFTER any children are initialized
- // because we only want the contents of the modal in the contentEl
- // (not the UI elements like the close button).
- _this.contentEl_ = createEl('div', {
- className: MODAL_CLASS_NAME + '-content'
- }, {
- role: 'document'
- });
+ if (typeof value === 'number') {
+ this.code = value;
+ } else if (typeof value === 'string') {
+ // default code is zero, so this is a custom error
+ this.message = value;
+ } else if (isObject(value)) {
+ // We assign the `code` property manually because native `MediaError` objects
+ // do not expose it as an own/enumerable property of the object.
+ if (typeof value.code === 'number') {
+ this.code = value.code;
+ }
- _this.descEl_ = createEl('p', {
- className: MODAL_CLASS_NAME + '-description vjs-control-text',
- id: _this.el().getAttribute('aria-describedby')
- });
+ assign(this, value);
+ }
- textContent(_this.descEl_, _this.description());
- _this.el_.appendChild(_this.descEl_);
- _this.el_.appendChild(_this.contentEl_);
- return _this;
+ if (!this.message) {
+ this.message = MediaError.defaultMessages[this.code] || '';
+ }
}
-
/**
- * Create the `ModalDialog`'s DOM element
+ * The error code that refers two one of the defined `MediaError` types
*
- * @return {Element}
- * The DOM element that gets created.
+ * @type {Number}
*/
- ModalDialog.prototype.createEl = function createEl$$1() {
- return _Component.prototype.createEl.call(this, 'div', {
- className: this.buildCSSClass(),
- tabIndex: -1
- }, {
- 'aria-describedby': this.id() + '_description',
- 'aria-hidden': 'true',
- 'aria-label': this.label(),
- 'role': 'dialog'
- });
- };
-
- ModalDialog.prototype.dispose = function dispose() {
- this.contentEl_ = null;
- this.descEl_ = null;
- this.previouslyActiveEl_ = null;
-
- _Component.prototype.dispose.call(this);
- };
-
+ MediaError.prototype.code = 0;
/**
- * Builds the default DOM `className`.
+ * An optional message that to show with the error. Message is not part of the HTML5
+ * video spec but allows for more informative custom errors.
*
- * @return {string}
- * The DOM `className` for this object.
+ * @type {String}
*/
-
- ModalDialog.prototype.buildCSSClass = function buildCSSClass() {
- return MODAL_CLASS_NAME + ' vjs-hidden ' + _Component.prototype.buildCSSClass.call(this);
- };
-
+ MediaError.prototype.message = '';
/**
- * Handles `keydown` events on the document, looking for ESC, which closes
- * the modal.
+ * An optional status code that can be set by plugins to allow even more detail about
+ * the error. For example a plugin might provide a specific HTTP status code and an
+ * error message for that code. Then when the plugin gets that error this class will
+ * know how to display an error message for it. This allows a custom message to show
+ * up on the `Player` error overlay.
*
- * @param {EventTarget~Event} e
- * The keypress that triggered this event.
- *
- * @listens keydown
+ * @type {Array}
*/
-
- ModalDialog.prototype.handleKeyPress = function handleKeyPress(e) {
- if (e.which === ESC && this.closeable()) {
- this.close();
- }
- };
-
+ MediaError.prototype.status = null;
/**
- * Returns the label string for this modal. Primarily used for accessibility.
+ * Errors indexed by the W3C standard. The order **CANNOT CHANGE**! See the
+ * specification listed under {@link MediaError} for more information.
*
- * @return {string}
- * the localized or raw label of this modal.
+ * @enum {array}
+ * @readonly
+ * @property {string} 0 - MEDIA_ERR_CUSTOM
+ * @property {string} 1 - MEDIA_ERR_ABORTED
+ * @property {string} 2 - MEDIA_ERR_NETWORK
+ * @property {string} 3 - MEDIA_ERR_DECODE
+ * @property {string} 4 - MEDIA_ERR_SRC_NOT_SUPPORTED
+ * @property {string} 5 - MEDIA_ERR_ENCRYPTED
*/
-
- ModalDialog.prototype.label = function label() {
- return this.localize(this.options_.label || 'Modal Window');
- };
-
+ MediaError.errorTypes = ['MEDIA_ERR_CUSTOM', 'MEDIA_ERR_ABORTED', 'MEDIA_ERR_NETWORK', 'MEDIA_ERR_DECODE', 'MEDIA_ERR_SRC_NOT_SUPPORTED', 'MEDIA_ERR_ENCRYPTED'];
/**
- * Returns the description string for this modal. Primarily used for
- * accessibility.
+ * The default `MediaError` messages based on the {@link MediaError.errorTypes}.
*
- * @return {string}
- * The localized or raw description of this modal.
+ * @type {Array}
+ * @constant
*/
+ MediaError.defaultMessages = {
+ 1: 'You aborted the media playback',
+ 2: 'A network error caused the media download to fail part-way.',
+ 3: 'The media playback was aborted due to a corruption problem or because the media used features your browser did not support.',
+ 4: 'The media could not be loaded, either because the server or network failed or because the format is not supported.',
+ 5: 'The media is encrypted and we do not have the keys to decrypt it.'
+ }; // Add types as properties on MediaError
+ // e.g. MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED = 4;
+
+ for (var errNum = 0; errNum < MediaError.errorTypes.length; errNum++) {
+ MediaError[MediaError.errorTypes[errNum]] = errNum; // values should be accessible on both the class and instance
- ModalDialog.prototype.description = function description() {
- var desc = this.options_.description || this.localize('This is a modal window.');
+ MediaError.prototype[MediaError.errorTypes[errNum]] = errNum;
+ } // jsdocs for instance/static members added above
- // Append a universal closeability message if the modal is closeable.
- if (this.closeable()) {
- desc += ' ' + this.localize('This modal can be closed by pressing the Escape key or activating the close button.');
+ var tuple = SafeParseTuple;
+
+ function SafeParseTuple(obj, reviver) {
+ var json;
+ var error = null;
+
+ try {
+ json = JSON.parse(obj, reviver);
+ } catch (err) {
+ error = err;
}
- return desc;
- };
+ return [error, json];
+ }
/**
- * Opens the modal.
+ * Returns whether an object is `Promise`-like (i.e. has a `then` method).
*
- * @fires ModalDialog#beforemodalopen
- * @fires ModalDialog#modalopen
+ * @param {Object} value
+ * An object that may or may not be `Promise`-like.
+ *
+ * @return {boolean}
+ * Whether or not the object is `Promise`-like.
*/
-
-
- ModalDialog.prototype.open = function open() {
- if (!this.opened_) {
- var player = this.player();
-
- /**
- * Fired just before a `ModalDialog` is opened.
- *
- * @event ModalDialog#beforemodalopen
- * @type {EventTarget~Event}
- */
- this.trigger('beforemodalopen');
- this.opened_ = true;
-
- // Fill content if the modal has never opened before and
- // never been filled.
- if (this.options_.fillAlways || !this.hasBeenOpened_ && !this.hasBeenFilled_) {
- this.fill();
- }
-
- // If the player was playing, pause it and take note of its previously
- // playing state.
- this.wasPlaying_ = !player.paused();
-
- if (this.options_.pauseOnOpen && this.wasPlaying_) {
- player.pause();
- }
-
- if (this.closeable()) {
- this.on(this.el_.ownerDocument, 'keydown', bind(this, this.handleKeyPress));
- }
-
- // Hide controls and note if they were enabled.
- this.hadControls_ = player.controls();
- player.controls(false);
-
- this.show();
- this.conditionalFocus_();
- this.el().setAttribute('aria-hidden', 'false');
-
- /**
- * Fired just after a `ModalDialog` is opened.
- *
- * @event ModalDialog#modalopen
- * @type {EventTarget~Event}
- */
- this.trigger('modalopen');
- this.hasBeenOpened_ = true;
- }
- };
-
+ function isPromise(value) {
+ return value !== undefined && value !== null && typeof value.then === 'function';
+ }
/**
- * If the `ModalDialog` is currently open or closed.
+ * Silence a Promise-like object.
*
- * @param {boolean} [value]
- * If given, it will open (`true`) or close (`false`) the modal.
+ * This is useful for avoiding non-harmful, but potentially confusing "uncaught
+ * play promise" rejection error messages.
*
- * @return {boolean}
- * the current open state of the modaldialog
+ * @param {Object} value
+ * An object that may or may not be `Promise`-like.
*/
-
- ModalDialog.prototype.opened = function opened(value) {
- if (typeof value === 'boolean') {
- this[value ? 'open' : 'close']();
+ function silencePromise(value) {
+ if (isPromise(value)) {
+ value.then(null, function (e) {});
}
- return this.opened_;
- };
+ }
/**
- * Closes the modal, does nothing if the `ModalDialog` is
- * not open.
+ * @file text-track-list-converter.js Utilities for capturing text track state and
+ * re-creating tracks based on a capture.
*
- * @fires ModalDialog#beforemodalclose
- * @fires ModalDialog#modalclose
+ * @module text-track-list-converter
*/
-
- ModalDialog.prototype.close = function close() {
- if (!this.opened_) {
- return;
- }
- var player = this.player();
-
- /**
- * Fired just before a `ModalDialog` is closed.
- *
- * @event ModalDialog#beforemodalclose
- * @type {EventTarget~Event}
- */
- this.trigger('beforemodalclose');
- this.opened_ = false;
-
- if (this.wasPlaying_ && this.options_.pauseOnOpen) {
- player.play();
- }
-
- if (this.closeable()) {
- this.off(this.el_.ownerDocument, 'keydown', bind(this, this.handleKeyPress));
- }
-
- if (this.hadControls_) {
- player.controls(true);
- }
-
- this.hide();
- this.el().setAttribute('aria-hidden', 'true');
-
- /**
- * Fired just after a `ModalDialog` is closed.
- *
- * @event ModalDialog#modalclose
- * @type {EventTarget~Event}
- */
- this.trigger('modalclose');
- this.conditionalBlur_();
-
- if (this.options_.temporary) {
- this.dispose();
- }
- };
-
/**
- * Check to see if the `ModalDialog` is closeable via the UI.
+ * Examine a single {@link TextTrack} and return a JSON-compatible javascript object that
+ * represents the {@link TextTrack}'s state.
*
- * @param {boolean} [value]
- * If given as a boolean, it will set the `closeable` option.
+ * @param {TextTrack} track
+ * The text track to query.
*
- * @return {boolean}
- * Returns the final value of the closable option.
+ * @return {Object}
+ * A serializable javascript representation of the TextTrack.
+ * @private
*/
-
-
- ModalDialog.prototype.closeable = function closeable(value) {
- if (typeof value === 'boolean') {
- var closeable = this.closeable_ = !!value;
- var close = this.getChild('closeButton');
-
- // If this is being made closeable and has no close button, add one.
- if (closeable && !close) {
-
- // The close button should be a child of the modal - not its
- // content element, so temporarily change the content element.
- var temp = this.contentEl_;
-
- this.contentEl_ = this.el_;
- close = this.addChild('closeButton', { controlText: 'Close Modal Dialog' });
- this.contentEl_ = temp;
- this.on(close, 'close', this.close);
+ var trackToJson_ = function trackToJson_(track) {
+ var ret = ['kind', 'label', 'language', 'id', 'inBandMetadataTrackDispatchType', 'mode', 'src'].reduce(function (acc, prop, i) {
+ if (track[prop]) {
+ acc[prop] = track[prop];
}
- // If this is being made uncloseable and has a close button, remove it.
- if (!closeable && close) {
- this.off(close, 'close', this.close);
- this.removeChild(close);
- close.dispose();
- }
- }
- return this.closeable_;
+ return acc;
+ }, {
+ cues: track.cues && Array.prototype.map.call(track.cues, function (cue) {
+ return {
+ startTime: cue.startTime,
+ endTime: cue.endTime,
+ text: cue.text,
+ id: cue.id
+ };
+ })
+ });
+ return ret;
};
-
/**
- * Fill the modal's content element with the modal's "content" option.
- * The content element will be emptied before this change takes place.
+ * Examine a {@link Tech} and return a JSON-compatible javascript array that represents the
+ * state of all {@link TextTrack}s currently configured. The return array is compatible with
+ * {@link text-track-list-converter:jsonToTextTracks}.
+ *
+ * @param {Tech} tech
+ * The tech object to query
+ *
+ * @return {Array}
+ * A serializable javascript representation of the {@link Tech}s
+ * {@link TextTrackList}.
*/
- ModalDialog.prototype.fill = function fill() {
- this.fillWith(this.content());
- };
+ var textTracksToJson = function textTracksToJson(tech) {
+ var trackEls = tech.$$('track');
+ var trackObjs = Array.prototype.map.call(trackEls, function (t) {
+ return t.track;
+ });
+ var tracks = Array.prototype.map.call(trackEls, function (trackEl) {
+ var json = trackToJson_(trackEl.track);
+
+ if (trackEl.src) {
+ json.src = trackEl.src;
+ }
+ return json;
+ });
+ return tracks.concat(Array.prototype.filter.call(tech.textTracks(), function (track) {
+ return trackObjs.indexOf(track) === -1;
+ }).map(trackToJson_));
+ };
/**
- * Fill the modal's content element with arbitrary content.
- * The content element will be emptied before this change takes place.
+ * Create a set of remote {@link TextTrack}s on a {@link Tech} based on an array of javascript
+ * object {@link TextTrack} representations.
*
- * @fires ModalDialog#beforemodalfill
- * @fires ModalDialog#modalfill
+ * @param {Array} json
+ * An array of `TextTrack` representation objects, like those that would be
+ * produced by `textTracksToJson`.
*
- * @param {Mixed} [content]
- * The same rules apply to this as apply to the `content` option.
+ * @param {Tech} tech
+ * The `Tech` to create the `TextTrack`s on.
*/
- ModalDialog.prototype.fillWith = function fillWith(content) {
- var contentEl = this.contentEl();
- var parentEl = contentEl.parentNode;
- var nextSiblingEl = contentEl.nextSibling;
+ var jsonToTextTracks = function jsonToTextTracks(json, tech) {
+ json.forEach(function (track) {
+ var addedTrack = tech.addRemoteTextTrack(track).track;
- /**
- * Fired just before a `ModalDialog` is filled with content.
- *
- * @event ModalDialog#beforemodalfill
- * @type {EventTarget~Event}
- */
- this.trigger('beforemodalfill');
- this.hasBeenFilled_ = true;
+ if (!track.src && track.cues) {
+ track.cues.forEach(function (cue) {
+ return addedTrack.addCue(cue);
+ });
+ }
+ });
+ return tech.textTracks();
+ };
+
+ var textTrackConverter = {
+ textTracksToJson: textTracksToJson,
+ jsonToTextTracks: jsonToTextTracks,
+ trackToJson_: trackToJson_
+ };
+
+ var keycode = createCommonjsModule(function (module, exports) {
+ // Source: http://jsfiddle.net/vWx8V/
+ // http://stackoverflow.com/questions/5603195/full-list-of-javascript-keycodes
- // Detach the content element from the DOM before performing
- // manipulation to avoid modifying the live DOM multiple times.
- parentEl.removeChild(contentEl);
- this.empty();
- insertContent(contentEl, content);
/**
- * Fired just after a `ModalDialog` is filled with content.
+ * Conenience method returns corresponding value for given keyName or keyCode.
*
- * @event ModalDialog#modalfill
- * @type {EventTarget~Event}
+ * @param {Mixed} keyCode {Number} or keyName {String}
+ * @return {Mixed}
+ * @api public
*/
- this.trigger('modalfill');
+ function keyCode(searchInput) {
+ // Keyboard Events
+ if (searchInput && 'object' === typeof searchInput) {
+ var hasKeyCode = searchInput.which || searchInput.keyCode || searchInput.charCode;
+ if (hasKeyCode) searchInput = hasKeyCode;
+ } // Numbers
- // Re-inject the re-filled content element.
- if (nextSiblingEl) {
- parentEl.insertBefore(contentEl, nextSiblingEl);
- } else {
- parentEl.appendChild(contentEl);
- }
- // make sure that the close button is last in the dialog DOM
- var closeButton = this.getChild('closeButton');
+ if ('number' === typeof searchInput) return names[searchInput]; // Everything else (cast to string)
- if (closeButton) {
- parentEl.appendChild(closeButton.el_);
- }
- };
+ var search = String(searchInput); // check codes
- /**
- * Empties the content element. This happens anytime the modal is filled.
- *
- * @fires ModalDialog#beforemodalempty
- * @fires ModalDialog#modalempty
- */
+ var foundNamedKey = codes[search.toLowerCase()];
+ if (foundNamedKey) return foundNamedKey; // check aliases
+ var foundNamedKey = aliases[search.toLowerCase()];
+ if (foundNamedKey) return foundNamedKey; // weird character?
- ModalDialog.prototype.empty = function empty() {
+ if (search.length === 1) return search.charCodeAt(0);
+ return undefined;
+ }
/**
- * Fired just before a `ModalDialog` is emptied.
+ * Compares a keyboard event with a given keyCode or keyName.
*
- * @event ModalDialog#beforemodalempty
- * @type {EventTarget~Event}
+ * @param {Event} event Keyboard event that should be tested
+ * @param {Mixed} keyCode {Number} or keyName {String}
+ * @return {Boolean}
+ * @api public
*/
- this.trigger('beforemodalempty');
- emptyEl(this.contentEl());
- /**
- * Fired just after a `ModalDialog` is emptied.
- *
- * @event ModalDialog#modalempty
- * @type {EventTarget~Event}
- */
- this.trigger('modalempty');
- };
- /**
- * Gets or sets the modal content, which gets normalized before being
- * rendered into the DOM.
- *
- * This does not update the DOM or fill the modal, but it is called during
- * that process.
- *
- * @param {Mixed} [value]
- * If defined, sets the internal content value to be used on the
- * next call(s) to `fill`. This value is normalized before being
- * inserted. To "clear" the internal content value, pass `null`.
- *
- * @return {Mixed}
- * The current content of the modal dialog
- */
+ keyCode.isEventKey = function isEventKey(event, nameOrCode) {
+ if (event && 'object' === typeof event) {
+ var keyCode = event.which || event.keyCode || event.charCode;
+ if (keyCode === null || keyCode === undefined) {
+ return false;
+ }
- ModalDialog.prototype.content = function content(value) {
- if (typeof value !== 'undefined') {
- this.content_ = value;
- }
- return this.content_;
- };
+ if (typeof nameOrCode === 'string') {
+ // check codes
+ var foundNamedKey = codes[nameOrCode.toLowerCase()];
- /**
- * conditionally focus the modal dialog if focus was previously on the player.
- *
- * @private
- */
+ if (foundNamedKey) {
+ return foundNamedKey === keyCode;
+ } // check aliases
- ModalDialog.prototype.conditionalFocus_ = function conditionalFocus_() {
- var activeEl = document_1.activeElement;
- var playerEl = this.player_.el_;
+ var foundNamedKey = aliases[nameOrCode.toLowerCase()];
- this.previouslyActiveEl_ = null;
+ if (foundNamedKey) {
+ return foundNamedKey === keyCode;
+ }
+ } else if (typeof nameOrCode === 'number') {
+ return nameOrCode === keyCode;
+ }
- if (playerEl.contains(activeEl) || playerEl === activeEl) {
- this.previouslyActiveEl_ = activeEl;
+ return false;
+ }
+ };
- this.focus();
+ exports = module.exports = keyCode;
+ /**
+ * Get by name
+ *
+ * exports.code['enter'] // => 13
+ */
- this.on(document_1, 'keydown', this.handleKeyDown);
- }
- };
+ var codes = exports.code = exports.codes = {
+ 'backspace': 8,
+ 'tab': 9,
+ 'enter': 13,
+ 'shift': 16,
+ 'ctrl': 17,
+ 'alt': 18,
+ 'pause/break': 19,
+ 'caps lock': 20,
+ 'esc': 27,
+ 'space': 32,
+ 'page up': 33,
+ 'page down': 34,
+ 'end': 35,
+ 'home': 36,
+ 'left': 37,
+ 'up': 38,
+ 'right': 39,
+ 'down': 40,
+ 'insert': 45,
+ 'delete': 46,
+ 'command': 91,
+ 'left command': 91,
+ 'right command': 93,
+ 'numpad *': 106,
+ 'numpad +': 107,
+ 'numpad -': 109,
+ 'numpad .': 110,
+ 'numpad /': 111,
+ 'num lock': 144,
+ 'scroll lock': 145,
+ 'my computer': 182,
+ 'my calculator': 183,
+ ';': 186,
+ '=': 187,
+ ',': 188,
+ '-': 189,
+ '.': 190,
+ '/': 191,
+ '`': 192,
+ '[': 219,
+ '\\': 220,
+ ']': 221,
+ "'": 222
+ }; // Helper aliases
+
+ var aliases = exports.aliases = {
+ 'windows': 91,
+ '⇧': 16,
+ '⌥': 18,
+ '⌃': 17,
+ '⌘': 91,
+ 'ctl': 17,
+ 'control': 17,
+ 'option': 18,
+ 'pause': 19,
+ 'break': 19,
+ 'caps': 20,
+ 'return': 13,
+ 'escape': 27,
+ 'spc': 32,
+ 'spacebar': 32,
+ 'pgup': 33,
+ 'pgdn': 34,
+ 'ins': 45,
+ 'del': 46,
+ 'cmd': 91
+ };
+ /*!
+ * Programatically add the following
+ */
+ // lower case chars
- /**
- * conditionally blur the element and refocus the last focused element
- *
- * @private
- */
+ for (i = 97; i < 123; i++) {
+ codes[String.fromCharCode(i)] = i - 32;
+ } // numbers
- ModalDialog.prototype.conditionalBlur_ = function conditionalBlur_() {
- if (this.previouslyActiveEl_) {
- this.previouslyActiveEl_.focus();
- this.previouslyActiveEl_ = null;
- }
+ for (var i = 48; i < 58; i++) {
+ codes[i - 48] = i;
+ } // function keys
- this.off(document_1, 'keydown', this.handleKeyDown);
- };
- /**
- * Keydown handler. Attached when modal is focused.
- *
- * @listens keydown
- */
+ for (i = 1; i < 13; i++) {
+ codes['f' + i] = i + 111;
+ } // numpad keys
- ModalDialog.prototype.handleKeyDown = function handleKeyDown(event) {
- // exit early if it isn't a tab key
- if (event.which !== 9) {
- return;
+ for (i = 0; i < 10; i++) {
+ codes['numpad ' + i] = i + 96;
}
+ /**
+ * Get by code
+ *
+ * exports.name[13] // => 'Enter'
+ */
- var focusableEls = this.focusableEls_();
- var activeEl = this.el_.querySelector(':focus');
- var focusIndex = void 0;
- for (var i = 0; i < focusableEls.length; i++) {
- if (activeEl === focusableEls[i]) {
- focusIndex = i;
- break;
- }
- }
+ var names = exports.names = exports.title = {}; // title for backward compat
+ // Create reverse mapping
- if (document_1.activeElement === this.el_) {
- focusIndex = 0;
- }
+ for (i in codes) {
+ names[codes[i]] = i;
+ } // Add aliases
- if (event.shiftKey && focusIndex === 0) {
- focusableEls[focusableEls.length - 1].focus();
- event.preventDefault();
- } else if (!event.shiftKey && focusIndex === focusableEls.length - 1) {
- focusableEls[0].focus();
- event.preventDefault();
+
+ for (var alias in aliases) {
+ codes[alias] = aliases[alias];
}
- };
+ });
+ var keycode_1 = keycode.code;
+ var keycode_2 = keycode.codes;
+ var keycode_3 = keycode.aliases;
+ var keycode_4 = keycode.names;
+ var keycode_5 = keycode.title;
+ var MODAL_CLASS_NAME = 'vjs-modal-dialog';
/**
- * get all focusable elements
+ * The `ModalDialog` displays over the video and its controls, which blocks
+ * interaction with the player until it is closed.
*
- * @private
+ * Modal dialogs include a "Close" button and will close when that button
+ * is activated - or when ESC is pressed anywhere.
+ *
+ * @extends Component
*/
+ var ModalDialog = /*#__PURE__*/function (_Component) {
+ inheritsLoose(ModalDialog, _Component);
- ModalDialog.prototype.focusableEls_ = function focusableEls_() {
- var allChildren = this.el_.querySelectorAll('*');
+ /**
+ * Create an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ *
+ * @param {Mixed} [options.content=undefined]
+ * Provide customized content for this modal.
+ *
+ * @param {string} [options.description]
+ * A text description for the modal, primarily for accessibility.
+ *
+ * @param {boolean} [options.fillAlways=false]
+ * Normally, modals are automatically filled only the first time
+ * they open. This tells the modal to refresh its content
+ * every time it opens.
+ *
+ * @param {string} [options.label]
+ * A text label for the modal, primarily for accessibility.
+ *
+ * @param {boolean} [options.pauseOnOpen=true]
+ * If `true`, playback will will be paused if playing when
+ * the modal opens, and resumed when it closes.
+ *
+ * @param {boolean} [options.temporary=true]
+ * If `true`, the modal can only be opened once; it will be
+ * disposed as soon as it's closed.
+ *
+ * @param {boolean} [options.uncloseable=false]
+ * If `true`, the user will not be able to close the modal
+ * through the UI in the normal ways. Programmatic closing is
+ * still possible.
+ */
+ function ModalDialog(player, options) {
+ var _this;
- return Array.prototype.filter.call(allChildren, function (child) {
- return (child instanceof window_1.HTMLAnchorElement || child instanceof window_1.HTMLAreaElement) && child.hasAttribute('href') || (child instanceof window_1.HTMLInputElement || child instanceof window_1.HTMLSelectElement || child instanceof window_1.HTMLTextAreaElement || child instanceof window_1.HTMLButtonElement) && !child.hasAttribute('disabled') || child instanceof window_1.HTMLIFrameElement || child instanceof window_1.HTMLObjectElement || child instanceof window_1.HTMLEmbedElement || child.hasAttribute('tabindex') && child.getAttribute('tabindex') !== -1 || child.hasAttribute('contenteditable');
- });
- };
+ _this = _Component.call(this, player, options) || this;
+ _this.opened_ = _this.hasBeenOpened_ = _this.hasBeenFilled_ = false;
- return ModalDialog;
-}(Component);
+ _this.closeable(!_this.options_.uncloseable);
-/**
- * Default options for `ModalDialog` default options.
- *
- * @type {Object}
- * @private
- */
+ _this.content(_this.options_.content); // Make sure the contentEl is defined AFTER any children are initialized
+ // because we only want the contents of the modal in the contentEl
+ // (not the UI elements like the close button).
-ModalDialog.prototype.options_ = {
- pauseOnOpen: true,
- temporary: true
-};
+ _this.contentEl_ = createEl('div', {
+ className: MODAL_CLASS_NAME + "-content"
+ }, {
+ role: 'document'
+ });
+ _this.descEl_ = createEl('p', {
+ className: MODAL_CLASS_NAME + "-description vjs-control-text",
+ id: _this.el().getAttribute('aria-describedby')
+ });
+ textContent(_this.descEl_, _this.description());
-Component.registerComponent('ModalDialog', ModalDialog);
+ _this.el_.appendChild(_this.descEl_);
-/**
- * @file track-list.js
- */
-/**
- * Common functionaliy between {@link TextTrackList}, {@link AudioTrackList}, and
- * {@link VideoTrackList}
- *
- * @extends EventTarget
- */
+ _this.el_.appendChild(_this.contentEl_);
-var TrackList = function (_EventTarget) {
- inherits(TrackList, _EventTarget);
+ return _this;
+ }
+ /**
+ * Create the `ModalDialog`'s DOM element
+ *
+ * @return {Element}
+ * The DOM element that gets created.
+ */
- /**
- * Create an instance of this class
- *
- * @param {Track[]} tracks
- * A list of tracks to initialize the list with.
- *
- * @param {Object} [list]
- * The child object with inheritance done manually for ie8.
- *
- * @abstract
- */
- function TrackList() {
- var tracks = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
- var _ret;
+ var _proto = ModalDialog.prototype;
- var list = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
- classCallCheck(this, TrackList);
+ _proto.createEl = function createEl() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: this.buildCSSClass(),
+ tabIndex: -1
+ }, {
+ 'aria-describedby': this.id() + "_description",
+ 'aria-hidden': 'true',
+ 'aria-label': this.label(),
+ 'role': 'dialog'
+ });
+ };
- var _this = possibleConstructorReturn(this, _EventTarget.call(this));
+ _proto.dispose = function dispose() {
+ this.contentEl_ = null;
+ this.descEl_ = null;
+ this.previouslyActiveEl_ = null;
- if (!list) {
- list = _this; // eslint-disable-line
- if (IS_IE8) {
- list = document_1.createElement('custom');
- for (var prop in TrackList.prototype) {
- if (prop !== 'constructor') {
- list[prop] = TrackList.prototype[prop];
- }
- }
- }
+ _Component.prototype.dispose.call(this);
}
-
- list.tracks_ = [];
-
/**
- * @memberof TrackList
- * @member {number} length
- * The current number of `Track`s in the this Trackist.
- * @instance
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
*/
- Object.defineProperty(list, 'length', {
- get: function get$$1() {
- return this.tracks_.length;
- }
- });
+ ;
- for (var i = 0; i < tracks.length; i++) {
- list.addTrack(tracks[i]);
+ _proto.buildCSSClass = function buildCSSClass() {
+ return MODAL_CLASS_NAME + " vjs-hidden " + _Component.prototype.buildCSSClass.call(this);
}
+ /**
+ * Returns the label string for this modal. Primarily used for accessibility.
+ *
+ * @return {string}
+ * the localized or raw label of this modal.
+ */
+ ;
- // must return the object, as for ie8 it will not be this
- // but a reference to a document object
- return _ret = list, possibleConstructorReturn(_this, _ret);
- }
-
- /**
- * Add a {@link Track} to the `TrackList`
- *
- * @param {Track} track
- * The audio, video, or text track to add to the list.
- *
- * @fires TrackList#addtrack
- */
+ _proto.label = function label() {
+ return this.localize(this.options_.label || 'Modal Window');
+ }
+ /**
+ * Returns the description string for this modal. Primarily used for
+ * accessibility.
+ *
+ * @return {string}
+ * The localized or raw description of this modal.
+ */
+ ;
+ _proto.description = function description() {
+ var desc = this.options_.description || this.localize('This is a modal window.'); // Append a universal closeability message if the modal is closeable.
- TrackList.prototype.addTrack = function addTrack(track) {
- var index = this.tracks_.length;
+ if (this.closeable()) {
+ desc += ' ' + this.localize('This modal can be closed by pressing the Escape key or activating the close button.');
+ }
- if (!('' + index in this)) {
- Object.defineProperty(this, index, {
- get: function get$$1() {
- return this.tracks_[index];
- }
- });
+ return desc;
}
+ /**
+ * Opens the modal.
+ *
+ * @fires ModalDialog#beforemodalopen
+ * @fires ModalDialog#modalopen
+ */
+ ;
- // Do not add duplicate tracks
- if (this.tracks_.indexOf(track) === -1) {
- this.tracks_.push(track);
- /**
- * Triggered when a track is added to a track list.
- *
- * @event TrackList#addtrack
- * @type {EventTarget~Event}
- * @property {Track} track
- * A reference to track that was added.
- */
- this.trigger({
- track: track,
- type: 'addtrack'
- });
- }
- };
+ _proto.open = function open() {
+ if (!this.opened_) {
+ var player = this.player();
+ /**
+ * Fired just before a `ModalDialog` is opened.
+ *
+ * @event ModalDialog#beforemodalopen
+ * @type {EventTarget~Event}
+ */
- /**
- * Remove a {@link Track} from the `TrackList`
- *
- * @param {Track} rtrack
- * The audio, video, or text track to remove from the list.
- *
- * @fires TrackList#removetrack
- */
+ this.trigger('beforemodalopen');
+ this.opened_ = true; // Fill content if the modal has never opened before and
+ // never been filled.
+
+ if (this.options_.fillAlways || !this.hasBeenOpened_ && !this.hasBeenFilled_) {
+ this.fill();
+ } // If the player was playing, pause it and take note of its previously
+ // playing state.
- TrackList.prototype.removeTrack = function removeTrack(rtrack) {
- var track = void 0;
+ this.wasPlaying_ = !player.paused();
- for (var i = 0, l = this.length; i < l; i++) {
- if (this[i] === rtrack) {
- track = this[i];
- if (track.off) {
- track.off();
+ if (this.options_.pauseOnOpen && this.wasPlaying_) {
+ player.pause();
}
- this.tracks_.splice(i, 1);
+ this.on('keydown', this.handleKeyDown); // Hide controls and note if they were enabled.
- break;
+ this.hadControls_ = player.controls();
+ player.controls(false);
+ this.show();
+ this.conditionalFocus_();
+ this.el().setAttribute('aria-hidden', 'false');
+ /**
+ * Fired just after a `ModalDialog` is opened.
+ *
+ * @event ModalDialog#modalopen
+ * @type {EventTarget~Event}
+ */
+
+ this.trigger('modalopen');
+ this.hasBeenOpened_ = true;
}
}
+ /**
+ * If the `ModalDialog` is currently open or closed.
+ *
+ * @param {boolean} [value]
+ * If given, it will open (`true`) or close (`false`) the modal.
+ *
+ * @return {boolean}
+ * the current open state of the modaldialog
+ */
+ ;
- if (!track) {
- return;
- }
+ _proto.opened = function opened(value) {
+ if (typeof value === 'boolean') {
+ this[value ? 'open' : 'close']();
+ }
+ return this.opened_;
+ }
/**
- * Triggered when a track is removed from track list.
+ * Closes the modal, does nothing if the `ModalDialog` is
+ * not open.
*
- * @event TrackList#removetrack
- * @type {EventTarget~Event}
- * @property {Track} track
- * A reference to track that was removed.
+ * @fires ModalDialog#beforemodalclose
+ * @fires ModalDialog#modalclose
*/
- this.trigger({
- track: track,
- type: 'removetrack'
- });
- };
-
- /**
- * Get a Track from the TrackList by a tracks id
- *
- * @param {String} id - the id of the track to get
- * @method getTrackById
- * @return {Track}
- * @private
- */
+ ;
+ _proto.close = function close() {
+ if (!this.opened_) {
+ return;
+ }
- TrackList.prototype.getTrackById = function getTrackById(id) {
- var result = null;
+ var player = this.player();
+ /**
+ * Fired just before a `ModalDialog` is closed.
+ *
+ * @event ModalDialog#beforemodalclose
+ * @type {EventTarget~Event}
+ */
- for (var i = 0, l = this.length; i < l; i++) {
- var track = this[i];
+ this.trigger('beforemodalclose');
+ this.opened_ = false;
- if (track.id === id) {
- result = track;
- break;
+ if (this.wasPlaying_ && this.options_.pauseOnOpen) {
+ player.play();
}
- }
- return result;
- };
+ this.off('keydown', this.handleKeyDown);
- return TrackList;
-}(EventTarget);
+ if (this.hadControls_) {
+ player.controls(true);
+ }
-/**
- * Triggered when a different track is selected/enabled.
- *
- * @event TrackList#change
- * @type {EventTarget~Event}
- */
+ this.hide();
+ this.el().setAttribute('aria-hidden', 'true');
+ /**
+ * Fired just after a `ModalDialog` is closed.
+ *
+ * @event ModalDialog#modalclose
+ * @type {EventTarget~Event}
+ */
-/**
- * Events that can be called with on + eventName. See {@link EventHandler}.
- *
- * @property {Object} TrackList#allowedEvents_
- * @private
- */
+ this.trigger('modalclose');
+ this.conditionalBlur_();
+
+ if (this.options_.temporary) {
+ this.dispose();
+ }
+ }
+ /**
+ * Check to see if the `ModalDialog` is closeable via the UI.
+ *
+ * @param {boolean} [value]
+ * If given as a boolean, it will set the `closeable` option.
+ *
+ * @return {boolean}
+ * Returns the final value of the closable option.
+ */
+ ;
+
+ _proto.closeable = function closeable(value) {
+ if (typeof value === 'boolean') {
+ var closeable = this.closeable_ = !!value;
+ var close = this.getChild('closeButton'); // If this is being made closeable and has no close button, add one.
+
+ if (closeable && !close) {
+ // The close button should be a child of the modal - not its
+ // content element, so temporarily change the content element.
+ var temp = this.contentEl_;
+ this.contentEl_ = this.el_;
+ close = this.addChild('closeButton', {
+ controlText: 'Close Modal Dialog'
+ });
+ this.contentEl_ = temp;
+ this.on(close, 'close', this.close);
+ } // If this is being made uncloseable and has a close button, remove it.
-TrackList.prototype.allowedEvents_ = {
- change: 'change',
- addtrack: 'addtrack',
- removetrack: 'removetrack'
-};
+ if (!closeable && close) {
+ this.off(close, 'close', this.close);
+ this.removeChild(close);
+ close.dispose();
+ }
+ }
-// emulate attribute EventHandler support to allow for feature detection
-for (var event in TrackList.prototype.allowedEvents_) {
- TrackList.prototype['on' + event] = null;
-}
+ return this.closeable_;
+ }
+ /**
+ * Fill the modal's content element with the modal's "content" option.
+ * The content element will be emptied before this change takes place.
+ */
+ ;
-/**
- * @file audio-track-list.js
- */
-/**
- * Anywhere we call this function we diverge from the spec
- * as we only support one enabled audiotrack at a time
- *
- * @param {AudioTrackList} list
- * list to work on
- *
- * @param {AudioTrack} track
- * The track to skip
- *
- * @private
- */
-var disableOthers = function disableOthers(list, track) {
- for (var i = 0; i < list.length; i++) {
- if (!Object.keys(list[i]).length || track.id === list[i].id) {
- continue;
+ _proto.fill = function fill() {
+ this.fillWith(this.content());
}
- // another audio track is enabled, disable it
- list[i].enabled = false;
- }
-};
+ /**
+ * Fill the modal's content element with arbitrary content.
+ * The content element will be emptied before this change takes place.
+ *
+ * @fires ModalDialog#beforemodalfill
+ * @fires ModalDialog#modalfill
+ *
+ * @param {Mixed} [content]
+ * The same rules apply to this as apply to the `content` option.
+ */
+ ;
-/**
- * The current list of {@link AudioTrack} for a media file.
- *
- * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotracklist}
- * @extends TrackList
- */
+ _proto.fillWith = function fillWith(content) {
+ var contentEl = this.contentEl();
+ var parentEl = contentEl.parentNode;
+ var nextSiblingEl = contentEl.nextSibling;
+ /**
+ * Fired just before a `ModalDialog` is filled with content.
+ *
+ * @event ModalDialog#beforemodalfill
+ * @type {EventTarget~Event}
+ */
-var AudioTrackList = function (_TrackList) {
- inherits(AudioTrackList, _TrackList);
+ this.trigger('beforemodalfill');
+ this.hasBeenFilled_ = true; // Detach the content element from the DOM before performing
+ // manipulation to avoid modifying the live DOM multiple times.
- /**
- * Create an instance of this class.
- *
- * @param {AudioTrack[]} [tracks=[]]
- * A list of `AudioTrack` to instantiate the list with.
- */
- function AudioTrackList() {
- var _this, _ret;
+ parentEl.removeChild(contentEl);
+ this.empty();
+ insertContent(contentEl, content);
+ /**
+ * Fired just after a `ModalDialog` is filled with content.
+ *
+ * @event ModalDialog#modalfill
+ * @type {EventTarget~Event}
+ */
- var tracks = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
- classCallCheck(this, AudioTrackList);
+ this.trigger('modalfill'); // Re-inject the re-filled content element.
- var list = void 0;
+ if (nextSiblingEl) {
+ parentEl.insertBefore(contentEl, nextSiblingEl);
+ } else {
+ parentEl.appendChild(contentEl);
+ } // make sure that the close button is last in the dialog DOM
- // make sure only 1 track is enabled
- // sorted from last index to first index
- for (var i = tracks.length - 1; i >= 0; i--) {
- if (tracks[i].enabled) {
- disableOthers(tracks, tracks[i]);
- break;
- }
- }
- // IE8 forces us to implement inheritance ourselves
- // as it does not support Object.defineProperty properly
- if (IS_IE8) {
- list = document_1.createElement('custom');
- for (var prop in TrackList.prototype) {
- if (prop !== 'constructor') {
- list[prop] = TrackList.prototype[prop];
- }
- }
- for (var _prop in AudioTrackList.prototype) {
- if (_prop !== 'constructor') {
- list[_prop] = AudioTrackList.prototype[_prop];
- }
+ var closeButton = this.getChild('closeButton');
+
+ if (closeButton) {
+ parentEl.appendChild(closeButton.el_);
}
}
+ /**
+ * Empties the content element. This happens anytime the modal is filled.
+ *
+ * @fires ModalDialog#beforemodalempty
+ * @fires ModalDialog#modalempty
+ */
+ ;
- list = (_this = possibleConstructorReturn(this, _TrackList.call(this, tracks, list)), _this);
- list.changing_ = false;
-
- return _ret = list, possibleConstructorReturn(_this, _ret);
- }
-
- /**
- * Add an {@link AudioTrack} to the `AudioTrackList`.
- *
- * @param {AudioTrack} track
- * The AudioTrack to add to the list
- *
- * @fires TrackList#addtrack
- */
+ _proto.empty = function empty() {
+ /**
+ * Fired just before a `ModalDialog` is emptied.
+ *
+ * @event ModalDialog#beforemodalempty
+ * @type {EventTarget~Event}
+ */
+ this.trigger('beforemodalempty');
+ emptyEl(this.contentEl());
+ /**
+ * Fired just after a `ModalDialog` is emptied.
+ *
+ * @event ModalDialog#modalempty
+ * @type {EventTarget~Event}
+ */
+ this.trigger('modalempty');
+ }
+ /**
+ * Gets or sets the modal content, which gets normalized before being
+ * rendered into the DOM.
+ *
+ * This does not update the DOM or fill the modal, but it is called during
+ * that process.
+ *
+ * @param {Mixed} [value]
+ * If defined, sets the internal content value to be used on the
+ * next call(s) to `fill`. This value is normalized before being
+ * inserted. To "clear" the internal content value, pass `null`.
+ *
+ * @return {Mixed}
+ * The current content of the modal dialog
+ */
+ ;
- AudioTrackList.prototype.addTrack = function addTrack(track) {
- var _this2 = this;
+ _proto.content = function content(value) {
+ if (typeof value !== 'undefined') {
+ this.content_ = value;
+ }
- if (track.enabled) {
- disableOthers(this, track);
+ return this.content_;
}
+ /**
+ * conditionally focus the modal dialog if focus was previously on the player.
+ *
+ * @private
+ */
+ ;
- _TrackList.prototype.addTrack.call(this, track);
- // native tracks don't have this
- if (!track.addEventListener) {
- return;
- }
+ _proto.conditionalFocus_ = function conditionalFocus_() {
+ var activeEl = document.activeElement;
+ var playerEl = this.player_.el_;
+ this.previouslyActiveEl_ = null;
+ if (playerEl.contains(activeEl) || playerEl === activeEl) {
+ this.previouslyActiveEl_ = activeEl;
+ this.focus();
+ }
+ }
/**
- * @listens AudioTrack#enabledchange
- * @fires TrackList#change
+ * conditionally blur the element and refocus the last focused element
+ *
+ * @private
*/
- track.addEventListener('enabledchange', function () {
- // when we are disabling other tracks (since we don't support
- // more than one track at a time) we will set changing_
- // to true so that we don't trigger additional change events
- if (_this2.changing_) {
- return;
- }
- _this2.changing_ = true;
- disableOthers(_this2, track);
- _this2.changing_ = false;
- _this2.trigger('change');
- });
- };
-
- return AudioTrackList;
-}(TrackList);
+ ;
-/**
- * @file video-track-list.js
- */
-/**
- * Un-select all other {@link VideoTrack}s that are selected.
- *
- * @param {VideoTrackList} list
- * list to work on
- *
- * @param {VideoTrack} track
- * The track to skip
- *
- * @private
- */
-var disableOthers$1 = function disableOthers(list, track) {
- for (var i = 0; i < list.length; i++) {
- if (!Object.keys(list[i]).length || track.id === list[i].id) {
- continue;
+ _proto.conditionalBlur_ = function conditionalBlur_() {
+ if (this.previouslyActiveEl_) {
+ this.previouslyActiveEl_.focus();
+ this.previouslyActiveEl_ = null;
+ }
}
- // another video track is enabled, disable it
- list[i].selected = false;
- }
-};
+ /**
+ * Keydown handler. Attached when modal is focused.
+ *
+ * @listens keydown
+ */
+ ;
-/**
- * The current list of {@link VideoTrack} for a video.
- *
- * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#videotracklist}
- * @extends TrackList
- */
+ _proto.handleKeyDown = function handleKeyDown(event) {
+ // Do not allow keydowns to reach out of the modal dialog.
+ event.stopPropagation();
-var VideoTrackList = function (_TrackList) {
- inherits(VideoTrackList, _TrackList);
+ if (keycode.isEventKey(event, 'Escape') && this.closeable()) {
+ event.preventDefault();
+ this.close();
+ return;
+ } // exit early if it isn't a tab key
- /**
- * Create an instance of this class.
- *
- * @param {VideoTrack[]} [tracks=[]]
- * A list of `VideoTrack` to instantiate the list with.
- */
- function VideoTrackList() {
- var _this, _ret;
- var tracks = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
- classCallCheck(this, VideoTrackList);
+ if (!keycode.isEventKey(event, 'Tab')) {
+ return;
+ }
- var list = void 0;
+ var focusableEls = this.focusableEls_();
+ var activeEl = this.el_.querySelector(':focus');
+ var focusIndex;
- // make sure only 1 track is enabled
- // sorted from last index to first index
- for (var i = tracks.length - 1; i >= 0; i--) {
- if (tracks[i].selected) {
- disableOthers$1(tracks, tracks[i]);
- break;
+ for (var i = 0; i < focusableEls.length; i++) {
+ if (activeEl === focusableEls[i]) {
+ focusIndex = i;
+ break;
+ }
}
- }
- // IE8 forces us to implement inheritance ourselves
- // as it does not support Object.defineProperty properly
- if (IS_IE8) {
- list = document_1.createElement('custom');
- for (var prop in TrackList.prototype) {
- if (prop !== 'constructor') {
- list[prop] = TrackList.prototype[prop];
- }
+ if (document.activeElement === this.el_) {
+ focusIndex = 0;
}
- for (var _prop in VideoTrackList.prototype) {
- if (_prop !== 'constructor') {
- list[_prop] = VideoTrackList.prototype[_prop];
- }
+
+ if (event.shiftKey && focusIndex === 0) {
+ focusableEls[focusableEls.length - 1].focus();
+ event.preventDefault();
+ } else if (!event.shiftKey && focusIndex === focusableEls.length - 1) {
+ focusableEls[0].focus();
+ event.preventDefault();
}
}
-
- list = (_this = possibleConstructorReturn(this, _TrackList.call(this, tracks, list)), _this);
- list.changing_ = false;
-
/**
- * @member {number} VideoTrackList#selectedIndex
- * The current index of the selected {@link VideoTrack`}.
+ * get all focusable elements
+ *
+ * @private
*/
- Object.defineProperty(list, 'selectedIndex', {
- get: function get$$1() {
- for (var _i = 0; _i < this.length; _i++) {
- if (this[_i].selected) {
- return _i;
- }
- }
- return -1;
- },
- set: function set$$1() {}
- });
+ ;
- return _ret = list, possibleConstructorReturn(_this, _ret);
- }
+ _proto.focusableEls_ = function focusableEls_() {
+ var allChildren = this.el_.querySelectorAll('*');
+ return Array.prototype.filter.call(allChildren, function (child) {
+ return (child instanceof window$3.HTMLAnchorElement || child instanceof window$3.HTMLAreaElement) && child.hasAttribute('href') || (child instanceof window$3.HTMLInputElement || child instanceof window$3.HTMLSelectElement || child instanceof window$3.HTMLTextAreaElement || child instanceof window$3.HTMLButtonElement) && !child.hasAttribute('disabled') || child instanceof window$3.HTMLIFrameElement || child instanceof window$3.HTMLObjectElement || child instanceof window$3.HTMLEmbedElement || child.hasAttribute('tabindex') && child.getAttribute('tabindex') !== -1 || child.hasAttribute('contenteditable');
+ });
+ };
+ return ModalDialog;
+ }(Component);
/**
- * Add a {@link VideoTrack} to the `VideoTrackList`.
- *
- * @param {VideoTrack} track
- * The VideoTrack to add to the list
+ * Default options for `ModalDialog` default options.
*
- * @fires TrackList#addtrack
+ * @type {Object}
+ * @private
*/
- VideoTrackList.prototype.addTrack = function addTrack(track) {
- var _this2 = this;
-
- if (track.selected) {
- disableOthers$1(this, track);
- }
-
- _TrackList.prototype.addTrack.call(this, track);
- // native tracks don't have this
- if (!track.addEventListener) {
- return;
- }
-
- /**
- * @listens VideoTrack#selectedchange
- * @fires TrackList#change
- */
- track.addEventListener('selectedchange', function () {
- if (_this2.changing_) {
- return;
- }
- _this2.changing_ = true;
- disableOthers$1(_this2, track);
- _this2.changing_ = false;
- _this2.trigger('change');
- });
+ ModalDialog.prototype.options_ = {
+ pauseOnOpen: true,
+ temporary: true
};
-
- return VideoTrackList;
-}(TrackList);
-
-/**
- * @file text-track-list.js
- */
-/**
- * The current list of {@link TextTrack} for a media file.
- *
- * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttracklist}
- * @extends TrackList
- */
-
-var TextTrackList = function (_TrackList) {
- inherits(TextTrackList, _TrackList);
+ Component.registerComponent('ModalDialog', ModalDialog);
/**
- * Create an instance of this class.
+ * Common functionaliy between {@link TextTrackList}, {@link AudioTrackList}, and
+ * {@link VideoTrackList}
*
- * @param {TextTrack[]} [tracks=[]]
- * A list of `TextTrack` to instantiate the list with.
+ * @extends EventTarget
*/
- function TextTrackList() {
- var _this, _ret;
- var tracks = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
- classCallCheck(this, TextTrackList);
+ var TrackList = /*#__PURE__*/function (_EventTarget) {
+ inheritsLoose(TrackList, _EventTarget);
- var list = void 0;
+ /**
+ * Create an instance of this class
+ *
+ * @param {Track[]} tracks
+ * A list of tracks to initialize the list with.
+ *
+ * @abstract
+ */
+ function TrackList(tracks) {
+ var _this;
- // IE8 forces us to implement inheritance ourselves
- // as it does not support Object.defineProperty properly
- if (IS_IE8) {
- list = document_1.createElement('custom');
- for (var prop in TrackList.prototype) {
- if (prop !== 'constructor') {
- list[prop] = TrackList.prototype[prop];
- }
- }
- for (var _prop in TextTrackList.prototype) {
- if (_prop !== 'constructor') {
- list[_prop] = TextTrackList.prototype[_prop];
- }
+ if (tracks === void 0) {
+ tracks = [];
}
- }
- list = (_this = possibleConstructorReturn(this, _TrackList.call(this, tracks, list)), _this);
- return _ret = list, possibleConstructorReturn(_this, _ret);
- }
-
- /**
- * Add a {@link TextTrack} to the `TextTrackList`
- *
- * @param {TextTrack} track
- * The text track to add to the list.
- *
- * @fires TrackList#addtrack
- */
+ _this = _EventTarget.call(this) || this;
+ _this.tracks_ = [];
+ /**
+ * @memberof TrackList
+ * @member {number} length
+ * The current number of `Track`s in the this Trackist.
+ * @instance
+ */
+ Object.defineProperty(assertThisInitialized(_this), 'length', {
+ get: function get() {
+ return this.tracks_.length;
+ }
+ });
- TextTrackList.prototype.addTrack = function addTrack(track) {
- _TrackList.prototype.addTrack.call(this, track);
+ for (var i = 0; i < tracks.length; i++) {
+ _this.addTrack(tracks[i]);
+ }
+ return _this;
+ }
/**
- * @listens TextTrack#modechange
- * @fires TrackList#change
+ * Add a {@link Track} to the `TrackList`
+ *
+ * @param {Track} track
+ * The audio, video, or text track to add to the list.
+ *
+ * @fires TrackList#addtrack
*/
- track.addEventListener('modechange', bind(this, function () {
- this.trigger('change');
- }));
- var nonLanguageTextTrackKind = ['metadata', 'chapters'];
- if (nonLanguageTextTrackKind.indexOf(track.kind) === -1) {
- track.addEventListener('modechange', bind(this, function () {
- this.trigger('selectedlanguagechange');
- }));
- }
- };
+ var _proto = TrackList.prototype;
- return TextTrackList;
-}(TrackList);
+ _proto.addTrack = function addTrack(track) {
+ var index = this.tracks_.length;
-/**
- * @file html-track-element-list.js
- */
+ if (!('' + index in this)) {
+ Object.defineProperty(this, index, {
+ get: function get() {
+ return this.tracks_[index];
+ }
+ });
+ } // Do not add duplicate tracks
-/**
- * The current list of {@link HtmlTrackElement}s.
- */
-var HtmlTrackElementList = function () {
+ if (this.tracks_.indexOf(track) === -1) {
+ this.tracks_.push(track);
+ /**
+ * Triggered when a track is added to a track list.
+ *
+ * @event TrackList#addtrack
+ * @type {EventTarget~Event}
+ * @property {Track} track
+ * A reference to track that was added.
+ */
- /**
- * Create an instance of this class.
- *
- * @param {HtmlTrackElement[]} [tracks=[]]
- * A list of `HtmlTrackElement` to instantiate the list with.
- */
- function HtmlTrackElementList() {
- var trackElements = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
- classCallCheck(this, HtmlTrackElementList);
+ this.trigger({
+ track: track,
+ type: 'addtrack',
+ target: this
+ });
+ }
+ }
+ /**
+ * Remove a {@link Track} from the `TrackList`
+ *
+ * @param {Track} rtrack
+ * The audio, video, or text track to remove from the list.
+ *
+ * @fires TrackList#removetrack
+ */
+ ;
- var list = this; // eslint-disable-line
+ _proto.removeTrack = function removeTrack(rtrack) {
+ var track;
- if (IS_IE8) {
- list = document_1.createElement('custom');
+ for (var i = 0, l = this.length; i < l; i++) {
+ if (this[i] === rtrack) {
+ track = this[i];
+
+ if (track.off) {
+ track.off();
+ }
- for (var prop in HtmlTrackElementList.prototype) {
- if (prop !== 'constructor') {
- list[prop] = HtmlTrackElementList.prototype[prop];
+ this.tracks_.splice(i, 1);
+ break;
}
}
- }
- list.trackElements_ = [];
+ if (!track) {
+ return;
+ }
+ /**
+ * Triggered when a track is removed from track list.
+ *
+ * @event TrackList#removetrack
+ * @type {EventTarget~Event}
+ * @property {Track} track
+ * A reference to track that was removed.
+ */
+
+ this.trigger({
+ track: track,
+ type: 'removetrack',
+ target: this
+ });
+ }
/**
- * @memberof HtmlTrackElementList
- * @member {number} length
- * The current number of `Track`s in the this Trackist.
- * @instance
+ * Get a Track from the TrackList by a tracks id
+ *
+ * @param {string} id - the id of the track to get
+ * @method getTrackById
+ * @return {Track}
+ * @private
*/
- Object.defineProperty(list, 'length', {
- get: function get$$1() {
- return this.trackElements_.length;
- }
- });
+ ;
- for (var i = 0, length = trackElements.length; i < length; i++) {
- list.addTrackElement_(trackElements[i]);
- }
+ _proto.getTrackById = function getTrackById(id) {
+ var result = null;
- if (IS_IE8) {
- return list;
- }
- }
+ for (var i = 0, l = this.length; i < l; i++) {
+ var track = this[i];
+
+ if (track.id === id) {
+ result = track;
+ break;
+ }
+ }
+
+ return result;
+ };
+ return TrackList;
+ }(EventTarget);
/**
- * Add an {@link HtmlTrackElement} to the `HtmlTrackElementList`
+ * Triggered when a different track is selected/enabled.
*
- * @param {HtmlTrackElement} trackElement
- * The track element to add to the list.
+ * @event TrackList#change
+ * @type {EventTarget~Event}
+ */
+
+ /**
+ * Events that can be called with on + eventName. See {@link EventHandler}.
*
+ * @property {Object} TrackList#allowedEvents_
* @private
*/
- HtmlTrackElementList.prototype.addTrackElement_ = function addTrackElement_(trackElement) {
- var index = this.trackElements_.length;
-
- if (!('' + index in this)) {
- Object.defineProperty(this, index, {
- get: function get$$1() {
- return this.trackElements_[index];
- }
- });
- }
+ TrackList.prototype.allowedEvents_ = {
+ change: 'change',
+ addtrack: 'addtrack',
+ removetrack: 'removetrack'
+ }; // emulate attribute EventHandler support to allow for feature detection
- // Do not add duplicate elements
- if (this.trackElements_.indexOf(trackElement) === -1) {
- this.trackElements_.push(trackElement);
- }
- };
+ for (var event in TrackList.prototype.allowedEvents_) {
+ TrackList.prototype['on' + event] = null;
+ }
/**
- * Get an {@link HtmlTrackElement} from the `HtmlTrackElementList` given an
- * {@link TextTrack}.
+ * Anywhere we call this function we diverge from the spec
+ * as we only support one enabled audiotrack at a time
*
- * @param {TextTrack} track
- * The track associated with a track element.
+ * @param {AudioTrackList} list
+ * list to work on
*
- * @return {HtmlTrackElement|undefined}
- * The track element that was found or undefined.
+ * @param {AudioTrack} track
+ * The track to skip
*
* @private
*/
+ var disableOthers = function disableOthers(list, track) {
+ for (var i = 0; i < list.length; i++) {
+ if (!Object.keys(list[i]).length || track.id === list[i].id) {
+ continue;
+ } // another audio track is enabled, disable it
- HtmlTrackElementList.prototype.getTrackElementByTrack_ = function getTrackElementByTrack_(track) {
- var trackElement_ = void 0;
-
- for (var i = 0, length = this.trackElements_.length; i < length; i++) {
- if (track === this.trackElements_[i].track) {
- trackElement_ = this.trackElements_[i];
- break;
- }
+ list[i].enabled = false;
}
-
- return trackElement_;
};
-
/**
- * Remove a {@link HtmlTrackElement} from the `HtmlTrackElementList`
+ * The current list of {@link AudioTrack} for a media file.
*
- * @param {HtmlTrackElement} trackElement
- * The track element to remove from the list.
- *
- * @private
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotracklist}
+ * @extends TrackList
*/
- HtmlTrackElementList.prototype.removeTrackElement_ = function removeTrackElement_(trackElement) {
- for (var i = 0, length = this.trackElements_.length; i < length; i++) {
- if (trackElement === this.trackElements_[i]) {
- this.trackElements_.splice(i, 1);
-
- break;
- }
- }
- };
+ var AudioTrackList = /*#__PURE__*/function (_TrackList) {
+ inheritsLoose(AudioTrackList, _TrackList);
- return HtmlTrackElementList;
-}();
+ /**
+ * Create an instance of this class.
+ *
+ * @param {AudioTrack[]} [tracks=[]]
+ * A list of `AudioTrack` to instantiate the list with.
+ */
+ function AudioTrackList(tracks) {
+ var _this;
-/**
- * @file text-track-cue-list.js
- */
-/**
- * @typedef {Object} TextTrackCueList~TextTrackCue
- *
- * @property {string} id
- * The unique id for this text track cue
- *
- * @property {number} startTime
- * The start time for this text track cue
- *
- * @property {number} endTime
- * The end time for this text track cue
- *
- * @property {boolean} pauseOnExit
- * Pause when the end time is reached if true.
- *
- * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackcue}
- */
+ if (tracks === void 0) {
+ tracks = [];
+ }
-/**
- * A List of TextTrackCues.
- *
- * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackcuelist}
- */
+ // make sure only 1 track is enabled
+ // sorted from last index to first index
+ for (var i = tracks.length - 1; i >= 0; i--) {
+ if (tracks[i].enabled) {
+ disableOthers(tracks, tracks[i]);
+ break;
+ }
+ }
-var TextTrackCueList = function () {
+ _this = _TrackList.call(this, tracks) || this;
+ _this.changing_ = false;
+ return _this;
+ }
+ /**
+ * Add an {@link AudioTrack} to the `AudioTrackList`.
+ *
+ * @param {AudioTrack} track
+ * The AudioTrack to add to the list
+ *
+ * @fires TrackList#addtrack
+ */
- /**
- * Create an instance of this class..
- *
- * @param {Array} cues
- * A list of cues to be initialized with
- */
- function TextTrackCueList(cues) {
- classCallCheck(this, TextTrackCueList);
- var list = this; // eslint-disable-line
+ var _proto = AudioTrackList.prototype;
- if (IS_IE8) {
- list = document_1.createElement('custom');
+ _proto.addTrack = function addTrack(track) {
+ var _this2 = this;
- for (var prop in TextTrackCueList.prototype) {
- if (prop !== 'constructor') {
- list[prop] = TextTrackCueList.prototype[prop];
- }
+ if (track.enabled) {
+ disableOthers(this, track);
}
- }
- TextTrackCueList.prototype.setCues_.call(list, cues);
+ _TrackList.prototype.addTrack.call(this, track); // native tracks don't have this
- /**
- * @memberof TextTrackCueList
- * @member {number} length
- * The current number of `TextTrackCue`s in the TextTrackCueList.
- * @instance
- */
- Object.defineProperty(list, 'length', {
- get: function get$$1() {
- return this.length_;
- }
- });
- if (IS_IE8) {
- return list;
- }
- }
+ if (!track.addEventListener) {
+ return;
+ }
- /**
- * A setter for cues in this list. Creates getters
- * an an index for the cues.
- *
- * @param {Array} cues
- * An array of cues to set
- *
- * @private
- */
+ track.enabledChange_ = function () {
+ // when we are disabling other tracks (since we don't support
+ // more than one track at a time) we will set changing_
+ // to true so that we don't trigger additional change events
+ if (_this2.changing_) {
+ return;
+ }
+ _this2.changing_ = true;
+ disableOthers(_this2, track);
+ _this2.changing_ = false;
- TextTrackCueList.prototype.setCues_ = function setCues_(cues) {
- var oldLength = this.length || 0;
- var i = 0;
- var l = cues.length;
+ _this2.trigger('change');
+ };
+ /**
+ * @listens AudioTrack#enabledchange
+ * @fires TrackList#change
+ */
- this.cues_ = cues;
- this.length_ = cues.length;
- var defineProp = function defineProp(index) {
- if (!('' + index in this)) {
- Object.defineProperty(this, '' + index, {
- get: function get$$1() {
- return this.cues_[index];
- }
- });
- }
+ track.addEventListener('enabledchange', track.enabledChange_);
};
- if (oldLength < l) {
- i = oldLength;
+ _proto.removeTrack = function removeTrack(rtrack) {
+ _TrackList.prototype.removeTrack.call(this, rtrack);
- for (; i < l; i++) {
- defineProp.call(this, i);
+ if (rtrack.removeEventListener && rtrack.enabledChange_) {
+ rtrack.removeEventListener('enabledchange', rtrack.enabledChange_);
+ rtrack.enabledChange_ = null;
}
- }
- };
+ };
+
+ return AudioTrackList;
+ }(TrackList);
/**
- * Get a `TextTrackCue` that is currently in the `TextTrackCueList` by id.
+ * Un-select all other {@link VideoTrack}s that are selected.
+ *
+ * @param {VideoTrackList} list
+ * list to work on
*
- * @param {string} id
- * The id of the cue that should be searched for.
+ * @param {VideoTrack} track
+ * The track to skip
*
- * @return {TextTrackCueList~TextTrackCue|null}
- * A single cue or null if none was found.
+ * @private
*/
+ var disableOthers$1 = function disableOthers(list, track) {
+ for (var i = 0; i < list.length; i++) {
+ if (!Object.keys(list[i]).length || track.id === list[i].id) {
+ continue;
+ } // another video track is enabled, disable it
- TextTrackCueList.prototype.getCueById = function getCueById(id) {
- var result = null;
-
- for (var i = 0, l = this.length; i < l; i++) {
- var cue = this[i];
- if (cue.id === id) {
- result = cue;
- break;
- }
+ list[i].selected = false;
}
-
- return result;
};
-
- return TextTrackCueList;
-}();
-
-/**
- * @file track-kinds.js
- */
-
-/**
- * All possible `VideoTrackKind`s
- *
- * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-videotrack-kind
- * @typedef VideoTrack~Kind
- * @enum
- */
-var VideoTrackKind = {
- alternative: 'alternative',
- captions: 'captions',
- main: 'main',
- sign: 'sign',
- subtitles: 'subtitles',
- commentary: 'commentary'
-};
-
-/**
- * All possible `AudioTrackKind`s
- *
- * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-audiotrack-kind
- * @typedef AudioTrack~Kind
- * @enum
- */
-var AudioTrackKind = {
- 'alternative': 'alternative',
- 'descriptions': 'descriptions',
- 'main': 'main',
- 'main-desc': 'main-desc',
- 'translation': 'translation',
- 'commentary': 'commentary'
-};
-
-/**
- * All possible `TextTrackKind`s
- *
- * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-texttrack-kind
- * @typedef TextTrack~Kind
- * @enum
- */
-var TextTrackKind = {
- subtitles: 'subtitles',
- captions: 'captions',
- descriptions: 'descriptions',
- chapters: 'chapters',
- metadata: 'metadata'
-};
-
-/**
- * All possible `TextTrackMode`s
- *
- * @see https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackmode
- * @typedef TextTrack~Mode
- * @enum
- */
-var TextTrackMode = {
- disabled: 'disabled',
- hidden: 'hidden',
- showing: 'showing'
-};
-
-/**
- * @file track.js
- */
-/**
- * A Track class that contains all of the common functionality for {@link AudioTrack},
- * {@link VideoTrack}, and {@link TextTrack}.
- *
- * > Note: This class should not be used directly
- *
- * @see {@link https://html.spec.whatwg.org/multipage/embedded-content.html}
- * @extends EventTarget
- * @abstract
- */
-
-var Track = function (_EventTarget) {
- inherits(Track, _EventTarget);
-
/**
- * Create an instance of this class.
- *
- * @param {Object} [options={}]
- * Object of option names and values
- *
- * @param {string} [options.kind='']
- * A valid kind for the track type you are creating.
- *
- * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
- * A unique id for this AudioTrack.
- *
- * @param {string} [options.label='']
- * The menu label for this track.
+ * The current list of {@link VideoTrack} for a video.
*
- * @param {string} [options.language='']
- * A valid two character language code.
- *
- * @abstract
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#videotracklist}
+ * @extends TrackList
*/
- function Track() {
- var _ret;
- var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
- classCallCheck(this, Track);
- var _this = possibleConstructorReturn(this, _EventTarget.call(this));
+ var VideoTrackList = /*#__PURE__*/function (_TrackList) {
+ inheritsLoose(VideoTrackList, _TrackList);
+
+ /**
+ * Create an instance of this class.
+ *
+ * @param {VideoTrack[]} [tracks=[]]
+ * A list of `VideoTrack` to instantiate the list with.
+ */
+ function VideoTrackList(tracks) {
+ var _this;
- var track = _this; // eslint-disable-line
+ if (tracks === void 0) {
+ tracks = [];
+ }
- if (IS_IE8) {
- track = document_1.createElement('custom');
- for (var prop in Track.prototype) {
- if (prop !== 'constructor') {
- track[prop] = Track.prototype[prop];
+ // make sure only 1 track is enabled
+ // sorted from last index to first index
+ for (var i = tracks.length - 1; i >= 0; i--) {
+ if (tracks[i].selected) {
+ disableOthers$1(tracks, tracks[i]);
+ break;
}
}
- }
- var trackProps = {
- id: options.id || 'vjs_track_' + newGUID(),
- kind: options.kind || '',
- label: options.label || '',
- language: options.language || ''
- };
+ _this = _TrackList.call(this, tracks) || this;
+ _this.changing_ = false;
+ /**
+ * @member {number} VideoTrackList#selectedIndex
+ * The current index of the selected {@link VideoTrack`}.
+ */
- /**
- * @memberof Track
- * @member {string} id
- * The id of this track. Cannot be changed after creation.
- * @instance
- *
- * @readonly
- */
+ Object.defineProperty(assertThisInitialized(_this), 'selectedIndex', {
+ get: function get() {
+ for (var _i = 0; _i < this.length; _i++) {
+ if (this[_i].selected) {
+ return _i;
+ }
+ }
+ return -1;
+ },
+ set: function set() {}
+ });
+ return _this;
+ }
/**
- * @memberof Track
- * @member {string} kind
- * The kind of track that this is. Cannot be changed after creation.
- * @instance
+ * Add a {@link VideoTrack} to the `VideoTrackList`.
*
- * @readonly
- */
-
- /**
- * @memberof Track
- * @member {string} label
- * The label of this track. Cannot be changed after creation.
- * @instance
+ * @param {VideoTrack} track
+ * The VideoTrack to add to the list
*
- * @readonly
+ * @fires TrackList#addtrack
*/
- /**
- * @memberof Track
- * @member {string} language
- * The two letter language code for this track. Cannot be changed after
- * creation.
- * @instance
- *
- * @readonly
- */
- var _loop = function _loop(key) {
- Object.defineProperty(track, key, {
- get: function get$$1() {
- return trackProps[key];
- },
- set: function set$$1() {}
- });
- };
+ var _proto = VideoTrackList.prototype;
- for (var key in trackProps) {
- _loop(key);
- }
+ _proto.addTrack = function addTrack(track) {
+ var _this2 = this;
- return _ret = track, possibleConstructorReturn(_this, _ret);
- }
+ if (track.selected) {
+ disableOthers$1(this, track);
+ }
- return Track;
-}(EventTarget);
+ _TrackList.prototype.addTrack.call(this, track); // native tracks don't have this
-/**
- * @file url.js
- * @module url
- */
-/**
- * @typedef {Object} url:URLObject
- *
- * @property {string} protocol
- * The protocol of the url that was parsed.
- *
- * @property {string} hostname
- * The hostname of the url that was parsed.
- *
- * @property {string} port
- * The port of the url that was parsed.
- *
- * @property {string} pathname
- * The pathname of the url that was parsed.
- *
- * @property {string} search
- * The search query of the url that was parsed.
- *
- * @property {string} hash
- * The hash of the url that was parsed.
- *
- * @property {string} host
- * The host of the url that was parsed.
- */
-/**
- * Resolve and parse the elements of a URL.
- *
- * @param {String} url
- * The url to parse
- *
- * @return {url:URLObject}
- * An object of url details
- */
-var parseUrl = function parseUrl(url) {
- var props = ['protocol', 'hostname', 'port', 'pathname', 'search', 'hash', 'host'];
-
- // add the url to an anchor and let the browser parse the URL
- var a = document_1.createElement('a');
-
- a.href = url;
-
- // IE8 (and 9?) Fix
- // ie8 doesn't parse the URL correctly until the anchor is actually
- // added to the body, and an innerHTML is needed to trigger the parsing
- var addToBody = a.host === '' && a.protocol !== 'file:';
- var div = void 0;
-
- if (addToBody) {
- div = document_1.createElement('div');
- div.innerHTML = '<a href="' + url + '"></a>';
- a = div.firstChild;
- // prevent the div from affecting layout
- div.setAttribute('style', 'display:none; position:absolute;');
- document_1.body.appendChild(div);
- }
+ if (!track.addEventListener) {
+ return;
+ }
- // Copy the specific URL properties to a new object
- // This is also needed for IE8 because the anchor loses its
- // properties when it's removed from the dom
- var details = {};
+ track.selectedChange_ = function () {
+ if (_this2.changing_) {
+ return;
+ }
- for (var i = 0; i < props.length; i++) {
- details[props[i]] = a[props[i]];
- }
+ _this2.changing_ = true;
+ disableOthers$1(_this2, track);
+ _this2.changing_ = false;
- // IE9 adds the port to the host property unlike everyone else. If
- // a port identifier is added for standard ports, strip it.
- if (details.protocol === 'http:') {
- details.host = details.host.replace(/:80$/, '');
- }
+ _this2.trigger('change');
+ };
+ /**
+ * @listens VideoTrack#selectedchange
+ * @fires TrackList#change
+ */
- if (details.protocol === 'https:') {
- details.host = details.host.replace(/:443$/, '');
- }
- if (!details.protocol) {
- details.protocol = window_1.location.protocol;
- }
+ track.addEventListener('selectedchange', track.selectedChange_);
+ };
- if (addToBody) {
- document_1.body.removeChild(div);
- }
+ _proto.removeTrack = function removeTrack(rtrack) {
+ _TrackList.prototype.removeTrack.call(this, rtrack);
- return details;
-};
+ if (rtrack.removeEventListener && rtrack.selectedChange_) {
+ rtrack.removeEventListener('selectedchange', rtrack.selectedChange_);
+ rtrack.selectedChange_ = null;
+ }
+ };
-/**
- * Get absolute version of relative URL. Used to tell flash correct URL.
- *
- *
- * @param {string} url
- * URL to make absolute
- *
- * @return {string}
- * Absolute URL
- *
- * @see http://stackoverflow.com/questions/470832/getting-an-absolute-url-from-a-relative-one-ie6-issue
- */
-var getAbsoluteURL = function getAbsoluteURL(url) {
- // Check if absolute URL
- if (!url.match(/^https?:\/\//)) {
- // Convert to absolute URL. Flash hosted off-site needs an absolute URL.
- var div = document_1.createElement('div');
-
- div.innerHTML = '<a href="' + url + '">x</a>';
- url = div.firstChild.href;
- }
+ return VideoTrackList;
+ }(TrackList);
- return url;
-};
+ /**
+ * The current list of {@link TextTrack} for a media file.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttracklist}
+ * @extends TrackList
+ */
-/**
- * Returns the extension of the passed file name. It will return an empty string
- * if passed an invalid path.
- *
- * @param {string} path
- * The fileName path like '/path/to/file.mp4'
- *
- * @returns {string}
- * The extension in lower case or an empty string if no
- * extension could be found.
- */
-var getFileExtension = function getFileExtension(path) {
- if (typeof path === 'string') {
- var splitPathRe = /^(\/?)([\s\S]*?)((?:\.{1,2}|[^\/]+?)(\.([^\.\/\?]+)))(?:[\/]*|[\?].*)$/i;
- var pathParts = splitPathRe.exec(path);
+ var TextTrackList = /*#__PURE__*/function (_TrackList) {
+ inheritsLoose(TextTrackList, _TrackList);
- if (pathParts) {
- return pathParts.pop().toLowerCase();
+ function TextTrackList() {
+ return _TrackList.apply(this, arguments) || this;
}
- }
-
- return '';
-};
-/**
- * Returns whether the url passed is a cross domain request or not.
- *
- * @param {string} url
- * The url to check.
- *
- * @return {boolean}
- * Whether it is a cross domain request or not.
- */
-var isCrossOrigin = function isCrossOrigin(url) {
- var winLoc = window_1.location;
- var urlInfo = parseUrl(url);
+ var _proto = TextTrackList.prototype;
- // IE8 protocol relative urls will return ':' for protocol
- var srcProtocol = urlInfo.protocol === ':' ? winLoc.protocol : urlInfo.protocol;
+ /**
+ * Add a {@link TextTrack} to the `TextTrackList`
+ *
+ * @param {TextTrack} track
+ * The text track to add to the list.
+ *
+ * @fires TrackList#addtrack
+ */
+ _proto.addTrack = function addTrack(track) {
+ var _this = this;
- // Check if url is for another domain/origin
- // IE8 doesn't know location.origin, so we won't rely on it here
- var crossOrigin = srcProtocol + urlInfo.host !== winLoc.protocol + winLoc.host;
+ _TrackList.prototype.addTrack.call(this, track);
- return crossOrigin;
-};
+ if (!this.queueChange_) {
+ this.queueChange_ = function () {
+ return _this.queueTrigger('change');
+ };
+ }
-var Url = (Object.freeze || Object)({
- parseUrl: parseUrl,
- getAbsoluteURL: getAbsoluteURL,
- getFileExtension: getFileExtension,
- isCrossOrigin: isCrossOrigin
-});
+ if (!this.triggerSelectedlanguagechange) {
+ this.triggerSelectedlanguagechange_ = function () {
+ return _this.trigger('selectedlanguagechange');
+ };
+ }
+ /**
+ * @listens TextTrack#modechange
+ * @fires TrackList#change
+ */
-var isFunction_1 = isFunction;
-var toString$1 = Object.prototype.toString;
+ track.addEventListener('modechange', this.queueChange_);
+ var nonLanguageTextTrackKind = ['metadata', 'chapters'];
-function isFunction (fn) {
- var string = toString$1.call(fn);
- return string === '[object Function]' ||
- (typeof fn === 'function' && string !== '[object RegExp]') ||
- (typeof window !== 'undefined' &&
- // IE8 and below
- (fn === window.setTimeout ||
- fn === window.alert ||
- fn === window.confirm ||
- fn === window.prompt))
-}
+ if (nonLanguageTextTrackKind.indexOf(track.kind) === -1) {
+ track.addEventListener('modechange', this.triggerSelectedlanguagechange_);
+ }
+ };
-var trim_1 = createCommonjsModule(function (module, exports) {
-exports = module.exports = trim;
+ _proto.removeTrack = function removeTrack(rtrack) {
+ _TrackList.prototype.removeTrack.call(this, rtrack); // manually remove the event handlers we added
-function trim(str){
- return str.replace(/^\s*|\s*$/g, '');
-}
-exports.left = function(str){
- return str.replace(/^\s*/, '');
-};
+ if (rtrack.removeEventListener) {
+ if (this.queueChange_) {
+ rtrack.removeEventListener('modechange', this.queueChange_);
+ }
-exports.right = function(str){
- return str.replace(/\s*$/, '');
-};
-});
+ if (this.selectedlanguagechange_) {
+ rtrack.removeEventListener('modechange', this.triggerSelectedlanguagechange_);
+ }
+ }
+ };
-var forEach_1 = forEach;
+ return TextTrackList;
+ }(TrackList);
-var toString$2 = Object.prototype.toString;
-var hasOwnProperty = Object.prototype.hasOwnProperty;
+ /**
+ * @file html-track-element-list.js
+ */
-function forEach(list, iterator, context) {
- if (!isFunction_1(iterator)) {
- throw new TypeError('iterator must be a function')
- }
+ /**
+ * The current list of {@link HtmlTrackElement}s.
+ */
+ var HtmlTrackElementList = /*#__PURE__*/function () {
+ /**
+ * Create an instance of this class.
+ *
+ * @param {HtmlTrackElement[]} [tracks=[]]
+ * A list of `HtmlTrackElement` to instantiate the list with.
+ */
+ function HtmlTrackElementList(trackElements) {
+ if (trackElements === void 0) {
+ trackElements = [];
+ }
- if (arguments.length < 3) {
- context = this;
- }
-
- if (toString$2.call(list) === '[object Array]')
- forEachArray$1(list, iterator, context);
- else if (typeof list === 'string')
- forEachString(list, iterator, context);
- else
- forEachObject(list, iterator, context);
-}
+ this.trackElements_ = [];
+ /**
+ * @memberof HtmlTrackElementList
+ * @member {number} length
+ * The current number of `Track`s in the this Trackist.
+ * @instance
+ */
-function forEachArray$1(array, iterator, context) {
- for (var i = 0, len = array.length; i < len; i++) {
- if (hasOwnProperty.call(array, i)) {
- iterator.call(context, array[i], i, array);
+ Object.defineProperty(this, 'length', {
+ get: function get() {
+ return this.trackElements_.length;
}
- }
-}
-
-function forEachString(string, iterator, context) {
- for (var i = 0, len = string.length; i < len; i++) {
- // no such thing as a sparse string.
- iterator.call(context, string.charAt(i), i, string);
- }
-}
+ });
-function forEachObject(object, iterator, context) {
- for (var k in object) {
- if (hasOwnProperty.call(object, k)) {
- iterator.call(context, object[k], k, object);
- }
+ for (var i = 0, length = trackElements.length; i < length; i++) {
+ this.addTrackElement_(trackElements[i]);
+ }
}
-}
-
-var isArray = function(arg) {
- return Object.prototype.toString.call(arg) === '[object Array]';
- };
-
-var parseHeaders = function (headers) {
- if (!headers)
- return {}
-
- var result = {};
-
- forEach_1(
- trim_1(headers).split('\n')
- , function (row) {
- var index = row.indexOf(':')
- , key = trim_1(row.slice(0, index)).toLowerCase()
- , value = trim_1(row.slice(index + 1));
-
- if (typeof(result[key]) === 'undefined') {
- result[key] = value;
- } else if (isArray(result[key])) {
- result[key].push(value);
- } else {
- result[key] = [ result[key], value ];
- }
- }
- );
+ /**
+ * Add an {@link HtmlTrackElement} to the `HtmlTrackElementList`
+ *
+ * @param {HtmlTrackElement} trackElement
+ * The track element to add to the list.
+ *
+ * @private
+ */
- return result
-};
-var immutable = extend;
+ var _proto = HtmlTrackElementList.prototype;
-var hasOwnProperty$1 = Object.prototype.hasOwnProperty;
+ _proto.addTrackElement_ = function addTrackElement_(trackElement) {
+ var index = this.trackElements_.length;
-function extend() {
- var target = {};
+ if (!('' + index in this)) {
+ Object.defineProperty(this, index, {
+ get: function get() {
+ return this.trackElements_[index];
+ }
+ });
+ } // Do not add duplicate elements
- for (var i = 0; i < arguments.length; i++) {
- var source = arguments[i];
- for (var key in source) {
- if (hasOwnProperty$1.call(source, key)) {
- target[key] = source[key];
- }
- }
+ if (this.trackElements_.indexOf(trackElement) === -1) {
+ this.trackElements_.push(trackElement);
+ }
}
+ /**
+ * Get an {@link HtmlTrackElement} from the `HtmlTrackElementList` given an
+ * {@link TextTrack}.
+ *
+ * @param {TextTrack} track
+ * The track associated with a track element.
+ *
+ * @return {HtmlTrackElement|undefined}
+ * The track element that was found or undefined.
+ *
+ * @private
+ */
+ ;
- return target
-}
-
-var xhr = createXHR;
-createXHR.XMLHttpRequest = window_1.XMLHttpRequest || noop;
-createXHR.XDomainRequest = "withCredentials" in (new createXHR.XMLHttpRequest()) ? createXHR.XMLHttpRequest : window_1.XDomainRequest;
+ _proto.getTrackElementByTrack_ = function getTrackElementByTrack_(track) {
+ var trackElement_;
-forEachArray(["get", "put", "post", "patch", "head", "delete"], function(method) {
- createXHR[method === "delete" ? "del" : method] = function(uri, options, callback) {
- options = initParams(uri, options, callback);
- options.method = method.toUpperCase();
- return _createXHR(options)
- };
-});
+ for (var i = 0, length = this.trackElements_.length; i < length; i++) {
+ if (track === this.trackElements_[i].track) {
+ trackElement_ = this.trackElements_[i];
+ break;
+ }
+ }
-function forEachArray(array, iterator) {
- for (var i = 0; i < array.length; i++) {
- iterator(array[i]);
+ return trackElement_;
}
-}
+ /**
+ * Remove a {@link HtmlTrackElement} from the `HtmlTrackElementList`
+ *
+ * @param {HtmlTrackElement} trackElement
+ * The track element to remove from the list.
+ *
+ * @private
+ */
+ ;
-function isEmpty(obj){
- for(var i in obj){
- if(obj.hasOwnProperty(i)) return false
- }
- return true
-}
+ _proto.removeTrackElement_ = function removeTrackElement_(trackElement) {
+ for (var i = 0, length = this.trackElements_.length; i < length; i++) {
+ if (trackElement === this.trackElements_[i]) {
+ if (this.trackElements_[i].track && typeof this.trackElements_[i].track.off === 'function') {
+ this.trackElements_[i].track.off();
+ }
-function initParams(uri, options, callback) {
- var params = uri;
+ if (typeof this.trackElements_[i].off === 'function') {
+ this.trackElements_[i].off();
+ }
- if (isFunction_1(options)) {
- callback = options;
- if (typeof uri === "string") {
- params = {uri:uri};
+ this.trackElements_.splice(i, 1);
+ break;
}
- } else {
- params = immutable(options, {uri: uri});
- }
+ }
+ };
- params.callback = callback;
- return params
-}
+ return HtmlTrackElementList;
+ }();
-function createXHR(uri, options, callback) {
- options = initParams(uri, options, callback);
- return _createXHR(options)
-}
+ /**
+ * @file text-track-cue-list.js
+ */
-function _createXHR(options) {
- if(typeof options.callback === "undefined"){
- throw new Error("callback argument missing")
- }
+ /**
+ * @typedef {Object} TextTrackCueList~TextTrackCue
+ *
+ * @property {string} id
+ * The unique id for this text track cue
+ *
+ * @property {number} startTime
+ * The start time for this text track cue
+ *
+ * @property {number} endTime
+ * The end time for this text track cue
+ *
+ * @property {boolean} pauseOnExit
+ * Pause when the end time is reached if true.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackcue}
+ */
- var called = false;
- var callback = function cbOnce(err, response, body){
- if(!called){
- called = true;
- options.callback(err, response, body);
- }
- };
+ /**
+ * A List of TextTrackCues.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackcuelist}
+ */
+ var TextTrackCueList = /*#__PURE__*/function () {
+ /**
+ * Create an instance of this class..
+ *
+ * @param {Array} cues
+ * A list of cues to be initialized with
+ */
+ function TextTrackCueList(cues) {
+ TextTrackCueList.prototype.setCues_.call(this, cues);
+ /**
+ * @memberof TextTrackCueList
+ * @member {number} length
+ * The current number of `TextTrackCue`s in the TextTrackCueList.
+ * @instance
+ */
- function readystatechange() {
- if (xhr.readyState === 4) {
- setTimeout(loadFunc, 0);
+ Object.defineProperty(this, 'length', {
+ get: function get() {
+ return this.length_;
}
+ });
}
+ /**
+ * A setter for cues in this list. Creates getters
+ * an an index for the cues.
+ *
+ * @param {Array} cues
+ * An array of cues to set
+ *
+ * @private
+ */
- function getBody() {
- // Chrome with requestType=blob throws errors arround when even testing access to responseText
- var body = undefined;
-
- if (xhr.response) {
- body = xhr.response;
- } else {
- body = xhr.responseText || getXml(xhr);
- }
-
- if (isJson) {
- try {
- body = JSON.parse(body);
- } catch (e) {}
- }
- return body
- }
+ var _proto = TextTrackCueList.prototype;
- function errorFunc(evt) {
- clearTimeout(timeoutTimer);
- if(!(evt instanceof Error)){
- evt = new Error("" + (evt || "Unknown XMLHttpRequest Error") );
- }
- evt.statusCode = 0;
- return callback(evt, failureResponse)
- }
+ _proto.setCues_ = function setCues_(cues) {
+ var oldLength = this.length || 0;
+ var i = 0;
+ var l = cues.length;
+ this.cues_ = cues;
+ this.length_ = cues.length;
- // will load the data & process the response in a special response object
- function loadFunc() {
- if (aborted) return
- var status;
- clearTimeout(timeoutTimer);
- if(options.useXDR && xhr.status===undefined) {
- //IE8 CORS GET successful response doesn't have a status field, but body is fine
- status = 200;
- } else {
- status = (xhr.status === 1223 ? 204 : xhr.status);
- }
- var response = failureResponse;
- var err = null;
-
- if (status !== 0){
- response = {
- body: getBody(),
- statusCode: status,
- method: method,
- headers: {},
- url: uri,
- rawRequest: xhr
- };
- if(xhr.getAllResponseHeaders){ //remember xhr can in fact be XDR for CORS in IE
- response.headers = parseHeaders(xhr.getAllResponseHeaders());
+ var defineProp = function defineProp(index) {
+ if (!('' + index in this)) {
+ Object.defineProperty(this, '' + index, {
+ get: function get() {
+ return this.cues_[index];
}
- } else {
- err = new Error("Internal XMLHttpRequest Error");
+ });
}
- return callback(err, response, response.body)
- }
+ };
- var xhr = options.xhr || null;
+ if (oldLength < l) {
+ i = oldLength;
- if (!xhr) {
- if (options.cors || options.useXDR) {
- xhr = new createXHR.XDomainRequest();
- }else{
- xhr = new createXHR.XMLHttpRequest();
+ for (; i < l; i++) {
+ defineProp.call(this, i);
}
+ }
}
+ /**
+ * Get a `TextTrackCue` that is currently in the `TextTrackCueList` by id.
+ *
+ * @param {string} id
+ * The id of the cue that should be searched for.
+ *
+ * @return {TextTrackCueList~TextTrackCue|null}
+ * A single cue or null if none was found.
+ */
+ ;
- var key;
- var aborted;
- var uri = xhr.url = options.uri || options.url;
- var method = xhr.method = options.method || "GET";
- var body = options.body || options.data;
- var headers = xhr.headers = options.headers || {};
- var sync = !!options.sync;
- var isJson = false;
- var timeoutTimer;
- var failureResponse = {
- body: undefined,
- headers: {},
- statusCode: 0,
- method: method,
- url: uri,
- rawRequest: xhr
- };
-
- if ("json" in options && options.json !== false) {
- isJson = true;
- headers["accept"] || headers["Accept"] || (headers["Accept"] = "application/json"); //Don't override existing accept header declared by user
- if (method !== "GET" && method !== "HEAD") {
- headers["content-type"] || headers["Content-Type"] || (headers["Content-Type"] = "application/json"); //Don't override existing accept header declared by user
- body = JSON.stringify(options.json === true ? body : options.json);
- }
- }
+ _proto.getCueById = function getCueById(id) {
+ var result = null;
- xhr.onreadystatechange = readystatechange;
- xhr.onload = loadFunc;
- xhr.onerror = errorFunc;
- // IE9 must have onprogress be set to a unique function.
- xhr.onprogress = function () {
- // IE must die
- };
- xhr.onabort = function(){
- aborted = true;
- };
- xhr.ontimeout = errorFunc;
- xhr.open(method, uri, !sync, options.username, options.password);
- //has to be after open
- if(!sync) {
- xhr.withCredentials = !!options.withCredentials;
- }
- // Cannot set timeout with sync request
- // not setting timeout on the xhr object, because of old webkits etc. not handling that correctly
- // both npm's request and jquery 1.x use this kind of timeout, so this is being consistent
- if (!sync && options.timeout > 0 ) {
- timeoutTimer = setTimeout(function(){
- if (aborted) return
- aborted = true;//IE9 may still call readystatechange
- xhr.abort("timeout");
- var e = new Error("XMLHttpRequest timeout");
- e.code = "ETIMEDOUT";
- errorFunc(e);
- }, options.timeout );
- }
+ for (var i = 0, l = this.length; i < l; i++) {
+ var cue = this[i];
- if (xhr.setRequestHeader) {
- for(key in headers){
- if(headers.hasOwnProperty(key)){
- xhr.setRequestHeader(key, headers[key]);
- }
+ if (cue.id === id) {
+ result = cue;
+ break;
}
- } else if (options.headers && !isEmpty(options.headers)) {
- throw new Error("Headers cannot be set on an XDomainRequest object")
- }
-
- if ("responseType" in options) {
- xhr.responseType = options.responseType;
- }
-
- if ("beforeSend" in options &&
- typeof options.beforeSend === "function"
- ) {
- options.beforeSend(xhr);
- }
-
- // Microsoft Edge browser sends "undefined" when send is called with undefined value.
- // XMLHttpRequest spec says to pass null as body to indicate no body
- // See https://github.com/naugtur/xhr/issues/100.
- xhr.send(body || null);
-
- return xhr
-
-
-}
+ }
-function getXml(xhr) {
- if (xhr.responseType === "document") {
- return xhr.responseXML
- }
- var firefoxBugTakenEffect = xhr.responseXML && xhr.responseXML.documentElement.nodeName === "parsererror";
- if (xhr.responseType === "" && !firefoxBugTakenEffect) {
- return xhr.responseXML
- }
+ return result;
+ };
- return null
-}
+ return TextTrackCueList;
+ }();
-function noop() {}
+ /**
+ * @file track-kinds.js
+ */
-/**
- * @file text-track.js
- */
-/**
- * Takes a webvtt file contents and parses it into cues
- *
- * @param {string} srcContent
- * webVTT file contents
- *
- * @param {TextTrack} track
- * TextTrack to add cues to. Cues come from the srcContent.
- *
- * @private
- */
-var parseCues = function parseCues(srcContent, track) {
- var parser = new window_1.WebVTT.Parser(window_1, window_1.vttjs, window_1.WebVTT.StringDecoder());
- var errors = [];
+ /**
+ * All possible `VideoTrackKind`s
+ *
+ * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-videotrack-kind
+ * @typedef VideoTrack~Kind
+ * @enum
+ */
+ var VideoTrackKind = {
+ alternative: 'alternative',
+ captions: 'captions',
+ main: 'main',
+ sign: 'sign',
+ subtitles: 'subtitles',
+ commentary: 'commentary'
+ };
+ /**
+ * All possible `AudioTrackKind`s
+ *
+ * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-audiotrack-kind
+ * @typedef AudioTrack~Kind
+ * @enum
+ */
- parser.oncue = function (cue) {
- track.addCue(cue);
+ var AudioTrackKind = {
+ 'alternative': 'alternative',
+ 'descriptions': 'descriptions',
+ 'main': 'main',
+ 'main-desc': 'main-desc',
+ 'translation': 'translation',
+ 'commentary': 'commentary'
};
+ /**
+ * All possible `TextTrackKind`s
+ *
+ * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-texttrack-kind
+ * @typedef TextTrack~Kind
+ * @enum
+ */
- parser.onparsingerror = function (error) {
- errors.push(error);
+ var TextTrackKind = {
+ subtitles: 'subtitles',
+ captions: 'captions',
+ descriptions: 'descriptions',
+ chapters: 'chapters',
+ metadata: 'metadata'
};
+ /**
+ * All possible `TextTrackMode`s
+ *
+ * @see https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackmode
+ * @typedef TextTrack~Mode
+ * @enum
+ */
- parser.onflush = function () {
- track.trigger({
- type: 'loadeddata',
- target: track
- });
+ var TextTrackMode = {
+ disabled: 'disabled',
+ hidden: 'hidden',
+ showing: 'showing'
};
- parser.parse(srcContent);
- if (errors.length > 0) {
- if (window_1.console && window_1.console.groupCollapsed) {
- window_1.console.groupCollapsed('Text Track parsing errors for ' + track.src);
- }
- errors.forEach(function (error) {
- return log$1.error(error);
- });
- if (window_1.console && window_1.console.groupEnd) {
- window_1.console.groupEnd();
- }
- }
+ /**
+ * A Track class that contains all of the common functionality for {@link AudioTrack},
+ * {@link VideoTrack}, and {@link TextTrack}.
+ *
+ * > Note: This class should not be used directly
+ *
+ * @see {@link https://html.spec.whatwg.org/multipage/embedded-content.html}
+ * @extends EventTarget
+ * @abstract
+ */
- parser.flush();
-};
+ var Track = /*#__PURE__*/function (_EventTarget) {
+ inheritsLoose(Track, _EventTarget);
-/**
- * Load a `TextTrack` from a specifed url.
- *
- * @param {string} src
- * Url to load track from.
- *
- * @param {TextTrack} track
- * Track to add cues to. Comes from the content at the end of `url`.
- *
- * @private
- */
-var loadTrack = function loadTrack(src, track) {
- var opts = {
- uri: src
- };
- var crossOrigin = isCrossOrigin(src);
+ /**
+ * Create an instance of this class.
+ *
+ * @param {Object} [options={}]
+ * Object of option names and values
+ *
+ * @param {string} [options.kind='']
+ * A valid kind for the track type you are creating.
+ *
+ * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
+ * A unique id for this AudioTrack.
+ *
+ * @param {string} [options.label='']
+ * The menu label for this track.
+ *
+ * @param {string} [options.language='']
+ * A valid two character language code.
+ *
+ * @abstract
+ */
+ function Track(options) {
+ var _this;
- if (crossOrigin) {
- opts.cors = crossOrigin;
- }
+ if (options === void 0) {
+ options = {};
+ }
- xhr(opts, bind(this, function (err, response, responseBody) {
- if (err) {
- return log$1.error(err, response);
- }
+ _this = _EventTarget.call(this) || this;
+ var trackProps = {
+ id: options.id || 'vjs_track_' + newGUID(),
+ kind: options.kind || '',
+ label: options.label || '',
+ language: options.language || ''
+ };
+ /**
+ * @memberof Track
+ * @member {string} id
+ * The id of this track. Cannot be changed after creation.
+ * @instance
+ *
+ * @readonly
+ */
- track.loaded_ = true;
+ /**
+ * @memberof Track
+ * @member {string} kind
+ * The kind of track that this is. Cannot be changed after creation.
+ * @instance
+ *
+ * @readonly
+ */
- // Make sure that vttjs has loaded, otherwise, wait till it finished loading
- // NOTE: this is only used for the alt/video.novtt.js build
- if (typeof window_1.WebVTT !== 'function') {
- if (track.tech_) {
- var loadHandler = function loadHandler() {
- return parseCues(responseBody, track);
- };
+ /**
+ * @memberof Track
+ * @member {string} label
+ * The label of this track. Cannot be changed after creation.
+ * @instance
+ *
+ * @readonly
+ */
+
+ /**
+ * @memberof Track
+ * @member {string} language
+ * The two letter language code for this track. Cannot be changed after
+ * creation.
+ * @instance
+ *
+ * @readonly
+ */
- track.tech_.on('vttjsloaded', loadHandler);
- track.tech_.on('vttjserror', function () {
- log$1.error('vttjs failed to load, stopping trying to process ' + track.src);
- track.tech_.off('vttjsloaded', loadHandler);
+ var _loop = function _loop(key) {
+ Object.defineProperty(assertThisInitialized(_this), key, {
+ get: function get() {
+ return trackProps[key];
+ },
+ set: function set() {}
});
+ };
+
+ for (var key in trackProps) {
+ _loop(key);
}
- } else {
- parseCues(responseBody, track);
- }
- }));
-};
-/**
- * A representation of a single `TextTrack`.
- *
- * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrack}
- * @extends Track
- */
+ return _this;
+ }
-var TextTrack = function (_Track) {
- inherits(TextTrack, _Track);
+ return Track;
+ }(EventTarget);
/**
- * Create an instance of this class.
- *
- * @param {Object} options={}
- * Object of option names and values
+ * @file url.js
+ * @module url
+ */
+ /**
+ * @typedef {Object} url:URLObject
*
- * @param {Tech} options.tech
- * A reference to the tech that owns this TextTrack.
+ * @property {string} protocol
+ * The protocol of the url that was parsed.
*
- * @param {TextTrack~Kind} [options.kind='subtitles']
- * A valid text track kind.
+ * @property {string} hostname
+ * The hostname of the url that was parsed.
*
- * @param {TextTrack~Mode} [options.mode='disabled']
- * A valid text track mode.
+ * @property {string} port
+ * The port of the url that was parsed.
*
- * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
- * A unique id for this TextTrack.
+ * @property {string} pathname
+ * The pathname of the url that was parsed.
*
- * @param {string} [options.label='']
- * The menu label for this track.
+ * @property {string} search
+ * The search query of the url that was parsed.
*
- * @param {string} [options.language='']
- * A valid two character language code.
+ * @property {string} hash
+ * The hash of the url that was parsed.
*
- * @param {string} [options.srclang='']
- * A valid two character language code. An alternative, but deprioritized
- * vesion of `options.language`
+ * @property {string} host
+ * The host of the url that was parsed.
+ */
+
+ /**
+ * Resolve and parse the elements of a URL.
*
- * @param {string} [options.src]
- * A url to TextTrack cues.
+ * @function
+ * @param {String} url
+ * The url to parse
*
- * @param {boolean} [options.default]
- * If this track should default to on or off.
+ * @return {url:URLObject}
+ * An object of url details
*/
- function TextTrack() {
- var _this, _ret;
- var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
- classCallCheck(this, TextTrack);
+ var parseUrl = function parseUrl(url) {
+ var props = ['protocol', 'hostname', 'port', 'pathname', 'search', 'hash', 'host']; // add the url to an anchor and let the browser parse the URL
- if (!options.tech) {
- throw new Error('A tech was not provided.');
- }
+ var a = document.createElement('a');
+ a.href = url; // IE8 (and 9?) Fix
+ // ie8 doesn't parse the URL correctly until the anchor is actually
+ // added to the body, and an innerHTML is needed to trigger the parsing
- var settings = mergeOptions(options, {
- kind: TextTrackKind[options.kind] || 'subtitles',
- language: options.language || options.srclang || ''
- });
- var mode = TextTrackMode[settings.mode] || 'disabled';
- var default_ = settings['default'];
+ var addToBody = a.host === '' && a.protocol !== 'file:';
+ var div;
- if (settings.kind === 'metadata' || settings.kind === 'chapters') {
- mode = 'hidden';
- }
- // on IE8 this will be a document element
- // for every other browser this will be a normal object
- var tt = (_this = possibleConstructorReturn(this, _Track.call(this, settings)), _this);
+ if (addToBody) {
+ div = document.createElement('div');
+ div.innerHTML = "<a href=\"" + url + "\"></a>";
+ a = div.firstChild; // prevent the div from affecting layout
- tt.tech_ = settings.tech;
+ div.setAttribute('style', 'display:none; position:absolute;');
+ document.body.appendChild(div);
+ } // Copy the specific URL properties to a new object
+ // This is also needed for IE8 because the anchor loses its
+ // properties when it's removed from the dom
- if (IS_IE8) {
- for (var prop in TextTrack.prototype) {
- if (prop !== 'constructor') {
- tt[prop] = TextTrack.prototype[prop];
- }
- }
- }
- tt.cues_ = [];
- tt.activeCues_ = [];
+ var details = {};
- var cues = new TextTrackCueList(tt.cues_);
- var activeCues = new TextTrackCueList(tt.activeCues_);
- var changed = false;
- var timeupdateHandler = bind(tt, function () {
+ for (var i = 0; i < props.length; i++) {
+ details[props[i]] = a[props[i]];
+ } // IE9 adds the port to the host property unlike everyone else. If
+ // a port identifier is added for standard ports, strip it.
- // Accessing this.activeCues for the side-effects of updating itself
- // due to it's nature as a getter function. Do not remove or cues will
- // stop updating!
- /* eslint-disable no-unused-expressions */
- this.activeCues;
- /* eslint-enable no-unused-expressions */
- if (changed) {
- this.trigger('cuechange');
- changed = false;
- }
- });
- if (mode !== 'disabled') {
- tt.tech_.ready(function () {
- tt.tech_.on('timeupdate', timeupdateHandler);
- }, true);
+ if (details.protocol === 'http:') {
+ details.host = details.host.replace(/:80$/, '');
}
- /**
- * @memberof TextTrack
- * @member {boolean} default
- * If this track was set to be on or off by default. Cannot be changed after
- * creation.
- * @instance
- *
- * @readonly
- */
- Object.defineProperty(tt, 'default', {
- get: function get$$1() {
- return default_;
- },
- set: function set$$1() {}
- });
+ if (details.protocol === 'https:') {
+ details.host = details.host.replace(/:443$/, '');
+ }
- /**
- * @memberof TextTrack
- * @member {string} mode
- * Set the mode of this TextTrack to a valid {@link TextTrack~Mode}. Will
- * not be set if setting to an invalid mode.
- * @instance
- *
- * @fires TextTrack#modechange
- */
- Object.defineProperty(tt, 'mode', {
- get: function get$$1() {
- return mode;
- },
- set: function set$$1(newMode) {
- var _this2 = this;
+ if (!details.protocol) {
+ details.protocol = window$3.location.protocol;
+ }
- if (!TextTrackMode[newMode]) {
- return;
- }
- mode = newMode;
- if (mode === 'showing') {
+ if (addToBody) {
+ document.body.removeChild(div);
+ }
- this.tech_.ready(function () {
- _this2.tech_.on('timeupdate', timeupdateHandler);
- }, true);
- }
- /**
- * An event that fires when mode changes on this track. This allows
- * the TextTrackList that holds this track to act accordingly.
- *
- * > Note: This is not part of the spec!
- *
- * @event TextTrack#modechange
- * @type {EventTarget~Event}
- */
- this.trigger('modechange');
- }
- });
-
- /**
- * @memberof TextTrack
- * @member {TextTrackCueList} cues
- * The text track cue list for this TextTrack.
- * @instance
- */
- Object.defineProperty(tt, 'cues', {
- get: function get$$1() {
- if (!this.loaded_) {
- return null;
- }
+ return details;
+ };
+ /**
+ * Get absolute version of relative URL. Used to tell Flash the correct URL.
+ *
+ * @function
+ * @param {string} url
+ * URL to make absolute
+ *
+ * @return {string}
+ * Absolute URL
+ *
+ * @see http://stackoverflow.com/questions/470832/getting-an-absolute-url-from-a-relative-one-ie6-issue
+ */
- return cues;
- },
- set: function set$$1() {}
- });
+ var getAbsoluteURL = function getAbsoluteURL(url) {
+ // Check if absolute URL
+ if (!url.match(/^https?:\/\//)) {
+ // Convert to absolute URL. Flash hosted off-site needs an absolute URL.
+ var div = document.createElement('div');
+ div.innerHTML = "<a href=\"" + url + "\">x</a>";
+ url = div.firstChild.href;
+ }
- /**
- * @memberof TextTrack
- * @member {TextTrackCueList} activeCues
- * The list text track cues that are currently active for this TextTrack.
- * @instance
- */
- Object.defineProperty(tt, 'activeCues', {
- get: function get$$1() {
- if (!this.loaded_) {
- return null;
- }
+ return url;
+ };
+ /**
+ * Returns the extension of the passed file name. It will return an empty string
+ * if passed an invalid path.
+ *
+ * @function
+ * @param {string} path
+ * The fileName path like '/path/to/file.mp4'
+ *
+ * @return {string}
+ * The extension in lower case or an empty string if no
+ * extension could be found.
+ */
- // nothing to do
- if (this.cues.length === 0) {
- return activeCues;
- }
+ var getFileExtension = function getFileExtension(path) {
+ if (typeof path === 'string') {
+ var splitPathRe = /^(\/?)([\s\S]*?)((?:\.{1,2}|[^\/]+?)(\.([^\.\/\?]+)))(?:[\/]*|[\?].*)$/;
+ var pathParts = splitPathRe.exec(path);
- var ct = this.tech_.currentTime();
- var active = [];
+ if (pathParts) {
+ return pathParts.pop().toLowerCase();
+ }
+ }
- for (var i = 0, l = this.cues.length; i < l; i++) {
- var cue = this.cues[i];
+ return '';
+ };
+ /**
+ * Returns whether the url passed is a cross domain request or not.
+ *
+ * @function
+ * @param {string} url
+ * The url to check.
+ *
+ * @param {Object} [winLoc]
+ * the domain to check the url against, defaults to window.location
+ *
+ * @param {string} [winLoc.protocol]
+ * The window location protocol defaults to window.location.protocol
+ *
+ * @param {string} [winLoc.host]
+ * The window location host defaults to window.location.host
+ *
+ * @return {boolean}
+ * Whether it is a cross domain request or not.
+ */
- if (cue.startTime <= ct && cue.endTime >= ct) {
- active.push(cue);
- } else if (cue.startTime === cue.endTime && cue.startTime <= ct && cue.startTime + 0.5 >= ct) {
- active.push(cue);
- }
- }
+ var isCrossOrigin = function isCrossOrigin(url, winLoc) {
+ if (winLoc === void 0) {
+ winLoc = window$3.location;
+ }
- changed = false;
+ var urlInfo = parseUrl(url); // IE8 protocol relative urls will return ':' for protocol
- if (active.length !== this.activeCues_.length) {
- changed = true;
- } else {
- for (var _i = 0; _i < active.length; _i++) {
- if (this.activeCues_.indexOf(active[_i]) === -1) {
- changed = true;
- }
- }
- }
+ var srcProtocol = urlInfo.protocol === ':' ? winLoc.protocol : urlInfo.protocol; // Check if url is for another domain/origin
+ // IE8 doesn't know location.origin, so we won't rely on it here
- this.activeCues_ = active;
- activeCues.setCues_(this.activeCues_);
+ var crossOrigin = srcProtocol + urlInfo.host !== winLoc.protocol + winLoc.host;
+ return crossOrigin;
+ };
- return activeCues;
- },
- set: function set$$1() {}
- });
+ var Url = /*#__PURE__*/Object.freeze({
+ __proto__: null,
+ parseUrl: parseUrl,
+ getAbsoluteURL: getAbsoluteURL,
+ getFileExtension: getFileExtension,
+ isCrossOrigin: isCrossOrigin
+ });
- if (settings.src) {
- tt.src = settings.src;
- loadTrack(settings.src, tt);
- } else {
- tt.loaded_ = true;
- }
+ var isFunction_1 = isFunction;
+ var toString$1 = Object.prototype.toString;
- return _ret = tt, possibleConstructorReturn(_this, _ret);
+ function isFunction(fn) {
+ var string = toString$1.call(fn);
+ return string === '[object Function]' || typeof fn === 'function' && string !== '[object RegExp]' || typeof window !== 'undefined' && ( // IE8 and below
+ fn === window.setTimeout || fn === window.alert || fn === window.confirm || fn === window.prompt);
}
/**
- * Add a cue to the internal list of cues.
- *
- * @param {TextTrack~Cue} cue
- * The cue to add to our internal list
+ * @license
+ * slighly modified parse-headers 2.0.2 <https://github.com/kesla/parse-headers/>
+ * Copyright (c) 2014 David Björklund
+ * Available under the MIT license
+ * <https://github.com/kesla/parse-headers/blob/master/LICENCE>
*/
- TextTrack.prototype.addCue = function addCue(originalCue) {
- var cue = originalCue;
+ var parseHeaders = function parseHeaders(headers) {
+ var result = {};
- if (window_1.vttjs && !(originalCue instanceof window_1.vttjs.VTTCue)) {
- cue = new window_1.vttjs.VTTCue(originalCue.startTime, originalCue.endTime, originalCue.text);
+ if (!headers) {
+ return result;
+ }
- for (var prop in originalCue) {
- if (!(prop in cue)) {
- cue[prop] = originalCue[prop];
- }
+ headers.trim().split('\n').forEach(function (row) {
+ var index = row.indexOf(':');
+ var key = row.slice(0, index).trim().toLowerCase();
+ var value = row.slice(index + 1).trim();
+
+ if (typeof result[key] === 'undefined') {
+ result[key] = value;
+ } else if (Array.isArray(result[key])) {
+ result[key].push(value);
+ } else {
+ result[key] = [result[key], value];
}
+ });
+ return result;
+ };
+
+ var xhr = createXHR; // Allow use of default import syntax in TypeScript
+
+ var default_1 = createXHR;
+ createXHR.XMLHttpRequest = window$3.XMLHttpRequest || noop;
+ createXHR.XDomainRequest = "withCredentials" in new createXHR.XMLHttpRequest() ? createXHR.XMLHttpRequest : window$3.XDomainRequest;
+ forEachArray(["get", "put", "post", "patch", "head", "delete"], function (method) {
+ createXHR[method === "delete" ? "del" : method] = function (uri, options, callback) {
+ options = initParams(uri, options, callback);
+ options.method = method.toUpperCase();
+ return _createXHR(options);
+ };
+ });
+
+ function forEachArray(array, iterator) {
+ for (var i = 0; i < array.length; i++) {
+ iterator(array[i]);
+ }
+ }
- // make sure that `id` is copied over
- cue.id = originalCue.id;
- cue.originalCue_ = originalCue;
+ function isEmpty(obj) {
+ for (var i in obj) {
+ if (obj.hasOwnProperty(i)) return false;
}
- var tracks = this.tech_.textTracks();
+ return true;
+ }
+
+ function initParams(uri, options, callback) {
+ var params = uri;
+
+ if (isFunction_1(options)) {
+ callback = options;
- for (var i = 0; i < tracks.length; i++) {
- if (tracks[i] !== this) {
- tracks[i].removeCue(cue);
+ if (typeof uri === "string") {
+ params = {
+ uri: uri
+ };
}
+ } else {
+ params = _extends_1({}, options, {
+ uri: uri
+ });
}
- this.cues_.push(cue);
- this.cues.setCues_(this.cues_);
- };
+ params.callback = callback;
+ return params;
+ }
- /**
- * Remove a cue from our internal list
- *
- * @param {TextTrack~Cue} removeCue
- * The cue to remove from our internal list
- */
+ function createXHR(uri, options, callback) {
+ options = initParams(uri, options, callback);
+ return _createXHR(options);
+ }
+ function _createXHR(options) {
+ if (typeof options.callback === "undefined") {
+ throw new Error("callback argument missing");
+ }
- TextTrack.prototype.removeCue = function removeCue(_removeCue) {
- var i = this.cues_.length;
+ var called = false;
- while (i--) {
- var cue = this.cues_[i];
+ var callback = function cbOnce(err, response, body) {
+ if (!called) {
+ called = true;
+ options.callback(err, response, body);
+ }
+ };
- if (cue === _removeCue || cue.originalCue_ && cue.originalCue_ === _removeCue) {
- this.cues_.splice(i, 1);
- this.cues.setCues_(this.cues_);
- break;
+ function readystatechange() {
+ if (xhr.readyState === 4) {
+ setTimeout(loadFunc, 0);
}
}
- };
- return TextTrack;
-}(Track);
+ function getBody() {
+ // Chrome with requestType=blob throws errors arround when even testing access to responseText
+ var body = undefined;
-/**
- * cuechange - One or more cues in the track have become active or stopped being active.
- */
+ if (xhr.response) {
+ body = xhr.response;
+ } else {
+ body = xhr.responseText || getXml(xhr);
+ }
+ if (isJson) {
+ try {
+ body = JSON.parse(body);
+ } catch (e) {}
+ }
-TextTrack.prototype.allowedEvents_ = {
- cuechange: 'cuechange'
-};
+ return body;
+ }
-/**
- * A representation of a single `AudioTrack`. If it is part of an {@link AudioTrackList}
- * only one `AudioTrack` in the list will be enabled at a time.
- *
- * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotrack}
- * @extends Track
- */
+ function errorFunc(evt) {
+ clearTimeout(timeoutTimer);
-var AudioTrack = function (_Track) {
- inherits(AudioTrack, _Track);
+ if (!(evt instanceof Error)) {
+ evt = new Error("" + (evt || "Unknown XMLHttpRequest Error"));
+ }
- /**
- * Create an instance of this class.
- *
- * @param {Object} [options={}]
- * Object of option names and values
- *
- * @param {AudioTrack~Kind} [options.kind='']
- * A valid audio track kind
- *
- * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
- * A unique id for this AudioTrack.
- *
- * @param {string} [options.label='']
- * The menu label for this track.
- *
- * @param {string} [options.language='']
- * A valid two character language code.
- *
- * @param {boolean} [options.enabled]
- * If this track is the one that is currently playing. If this track is part of
- * an {@link AudioTrackList}, only one {@link AudioTrack} will be enabled.
- */
- function AudioTrack() {
- var _this, _ret;
+ evt.statusCode = 0;
+ return callback(evt, failureResponse);
+ } // will load the data & process the response in a special response object
- var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
- classCallCheck(this, AudioTrack);
- var settings = mergeOptions(options, {
- kind: AudioTrackKind[options.kind] || ''
- });
- // on IE8 this will be a document element
- // for every other browser this will be a normal object
- var track = (_this = possibleConstructorReturn(this, _Track.call(this, settings)), _this);
- var enabled = false;
+ function loadFunc() {
+ if (aborted) return;
+ var status;
+ clearTimeout(timeoutTimer);
+
+ if (options.useXDR && xhr.status === undefined) {
+ //IE8 CORS GET successful response doesn't have a status field, but body is fine
+ status = 200;
+ } else {
+ status = xhr.status === 1223 ? 204 : xhr.status;
+ }
+
+ var response = failureResponse;
+ var err = null;
+
+ if (status !== 0) {
+ response = {
+ body: getBody(),
+ statusCode: status,
+ method: method,
+ headers: {},
+ url: uri,
+ rawRequest: xhr
+ };
- if (IS_IE8) {
- for (var prop in AudioTrack.prototype) {
- if (prop !== 'constructor') {
- track[prop] = AudioTrack.prototype[prop];
+ if (xhr.getAllResponseHeaders) {
+ //remember xhr can in fact be XDR for CORS in IE
+ response.headers = parseHeaders(xhr.getAllResponseHeaders());
}
+ } else {
+ err = new Error("Internal XMLHttpRequest Error");
}
+
+ return callback(err, response, response.body);
}
- /**
- * @memberof AudioTrack
- * @member {boolean} enabled
- * If this `AudioTrack` is enabled or not. When setting this will
- * fire {@link AudioTrack#enabledchange} if the state of enabled is changed.
- * @instance
- *
- * @fires VideoTrack#selectedchange
- */
- Object.defineProperty(track, 'enabled', {
- get: function get$$1() {
- return enabled;
- },
- set: function set$$1(newEnabled) {
- // an invalid or unchanged value
- if (typeof newEnabled !== 'boolean' || newEnabled === enabled) {
- return;
- }
- enabled = newEnabled;
- /**
- * An event that fires when enabled changes on this track. This allows
- * the AudioTrackList that holds this track to act accordingly.
- *
- * > Note: This is not part of the spec! Native tracks will do
- * this internally without an event.
- *
- * @event AudioTrack#enabledchange
- * @type {EventTarget~Event}
- */
- this.trigger('enabledchange');
+ var xhr = options.xhr || null;
+
+ if (!xhr) {
+ if (options.cors || options.useXDR) {
+ xhr = new createXHR.XDomainRequest();
+ } else {
+ xhr = new createXHR.XMLHttpRequest();
}
- });
+ }
+
+ var key;
+ var aborted;
+ var uri = xhr.url = options.uri || options.url;
+ var method = xhr.method = options.method || "GET";
+ var body = options.body || options.data;
+ var headers = xhr.headers = options.headers || {};
+ var sync = !!options.sync;
+ var isJson = false;
+ var timeoutTimer;
+ var failureResponse = {
+ body: undefined,
+ headers: {},
+ statusCode: 0,
+ method: method,
+ url: uri,
+ rawRequest: xhr
+ };
- // if the user sets this track to selected then
- // set selected to that true value otherwise
- // we keep it false
- if (settings.enabled) {
- track.enabled = settings.enabled;
+ if ("json" in options && options.json !== false) {
+ isJson = true;
+ headers["accept"] || headers["Accept"] || (headers["Accept"] = "application/json"); //Don't override existing accept header declared by user
+
+ if (method !== "GET" && method !== "HEAD") {
+ headers["content-type"] || headers["Content-Type"] || (headers["Content-Type"] = "application/json"); //Don't override existing accept header declared by user
+
+ body = JSON.stringify(options.json === true ? body : options.json);
+ }
}
- track.loaded_ = true;
- return _ret = track, possibleConstructorReturn(_this, _ret);
- }
+ xhr.onreadystatechange = readystatechange;
+ xhr.onload = loadFunc;
+ xhr.onerror = errorFunc; // IE9 must have onprogress be set to a unique function.
- return AudioTrack;
-}(Track);
+ xhr.onprogress = function () {// IE must die
+ };
-/**
- * A representation of a single `VideoTrack`.
- *
- * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#videotrack}
- * @extends Track
- */
+ xhr.onabort = function () {
+ aborted = true;
+ };
-var VideoTrack = function (_Track) {
- inherits(VideoTrack, _Track);
+ xhr.ontimeout = errorFunc;
+ xhr.open(method, uri, !sync, options.username, options.password); //has to be after open
- /**
- * Create an instance of this class.
- *
- * @param {Object} [options={}]
- * Object of option names and values
- *
- * @param {string} [options.kind='']
- * A valid {@link VideoTrack~Kind}
- *
- * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
- * A unique id for this AudioTrack.
- *
- * @param {string} [options.label='']
- * The menu label for this track.
- *
- * @param {string} [options.language='']
- * A valid two character language code.
- *
- * @param {boolean} [options.selected]
- * If this track is the one that is currently playing.
- */
- function VideoTrack() {
- var _this, _ret;
+ if (!sync) {
+ xhr.withCredentials = !!options.withCredentials;
+ } // Cannot set timeout with sync request
+ // not setting timeout on the xhr object, because of old webkits etc. not handling that correctly
+ // both npm's request and jquery 1.x use this kind of timeout, so this is being consistent
- var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
- classCallCheck(this, VideoTrack);
- var settings = mergeOptions(options, {
- kind: VideoTrackKind[options.kind] || ''
- });
+ if (!sync && options.timeout > 0) {
+ timeoutTimer = setTimeout(function () {
+ if (aborted) return;
+ aborted = true; //IE9 may still call readystatechange
- // on IE8 this will be a document element
- // for every other browser this will be a normal object
- var track = (_this = possibleConstructorReturn(this, _Track.call(this, settings)), _this);
- var selected = false;
+ xhr.abort("timeout");
+ var e = new Error("XMLHttpRequest timeout");
+ e.code = "ETIMEDOUT";
+ errorFunc(e);
+ }, options.timeout);
+ }
- if (IS_IE8) {
- for (var prop in VideoTrack.prototype) {
- if (prop !== 'constructor') {
- track[prop] = VideoTrack.prototype[prop];
+ if (xhr.setRequestHeader) {
+ for (key in headers) {
+ if (headers.hasOwnProperty(key)) {
+ xhr.setRequestHeader(key, headers[key]);
}
}
+ } else if (options.headers && !isEmpty(options.headers)) {
+ throw new Error("Headers cannot be set on an XDomainRequest object");
}
- /**
- * @memberof VideoTrack
- * @member {boolean} selected
- * If this `VideoTrack` is selected or not. When setting this will
- * fire {@link VideoTrack#selectedchange} if the state of selected changed.
- * @instance
- *
- * @fires VideoTrack#selectedchange
- */
- Object.defineProperty(track, 'selected', {
- get: function get$$1() {
- return selected;
- },
- set: function set$$1(newSelected) {
- // an invalid or unchanged value
- if (typeof newSelected !== 'boolean' || newSelected === selected) {
- return;
- }
- selected = newSelected;
+ if ("responseType" in options) {
+ xhr.responseType = options.responseType;
+ }
- /**
- * An event that fires when selected changes on this track. This allows
- * the VideoTrackList that holds this track to act accordingly.
- *
- * > Note: This is not part of the spec! Native tracks will do
- * this internally without an event.
- *
- * @event VideoTrack#selectedchange
- * @type {EventTarget~Event}
- */
- this.trigger('selectedchange');
- }
- });
+ if ("beforeSend" in options && typeof options.beforeSend === "function") {
+ options.beforeSend(xhr);
+ } // Microsoft Edge browser sends "undefined" when send is called with undefined value.
+ // XMLHttpRequest spec says to pass null as body to indicate no body
+ // See https://github.com/naugtur/xhr/issues/100.
- // if the user sets this track to selected then
- // set selected to that true value otherwise
- // we keep it false
- if (settings.selected) {
- track.selected = settings.selected;
- }
- return _ret = track, possibleConstructorReturn(_this, _ret);
+ xhr.send(body || null);
+ return xhr;
}
- return VideoTrack;
-}(Track);
+ function getXml(xhr) {
+ // xhr.responseXML will throw Exception "InvalidStateError" or "DOMException"
+ // See https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest/responseXML.
+ try {
+ if (xhr.responseType === "document") {
+ return xhr.responseXML;
+ }
-/**
- * @file html-track-element.js
- */
+ var firefoxBugTakenEffect = xhr.responseXML && xhr.responseXML.documentElement.nodeName === "parsererror";
-/**
- * @memberof HTMLTrackElement
- * @typedef {HTMLTrackElement~ReadyState}
- * @enum {number}
- */
-var NONE = 0;
-var LOADING = 1;
-var LOADED = 2;
-var ERROR = 3;
+ if (xhr.responseType === "" && !firefoxBugTakenEffect) {
+ return xhr.responseXML;
+ }
+ } catch (e) {}
-/**
- * A single track represented in the DOM.
- *
- * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#htmltrackelement}
- * @extends EventTarget
- */
+ return null;
+ }
-var HTMLTrackElement = function (_EventTarget) {
- inherits(HTMLTrackElement, _EventTarget);
+ function noop() {}
+ xhr["default"] = default_1;
/**
- * Create an instance of this class.
+ * Takes a webvtt file contents and parses it into cues
*
- * @param {Object} options={}
- * Object of option names and values
+ * @param {string} srcContent
+ * webVTT file contents
*
- * @param {Tech} options.tech
- * A reference to the tech that owns this HTMLTrackElement.
- *
- * @param {TextTrack~Kind} [options.kind='subtitles']
- * A valid text track kind.
- *
- * @param {TextTrack~Mode} [options.mode='disabled']
- * A valid text track mode.
- *
- * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
- * A unique id for this TextTrack.
- *
- * @param {string} [options.label='']
- * The menu label for this track.
- *
- * @param {string} [options.language='']
- * A valid two character language code.
- *
- * @param {string} [options.srclang='']
- * A valid two character language code. An alternative, but deprioritized
- * vesion of `options.language`
- *
- * @param {string} [options.src]
- * A url to TextTrack cues.
+ * @param {TextTrack} track
+ * TextTrack to add cues to. Cues come from the srcContent.
*
- * @param {boolean} [options.default]
- * If this track should default to on or off.
+ * @private
*/
- function HTMLTrackElement() {
- var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
- classCallCheck(this, HTMLTrackElement);
-
- var _this = possibleConstructorReturn(this, _EventTarget.call(this));
- var readyState = void 0;
- var trackElement = _this; // eslint-disable-line
+ var parseCues = function parseCues(srcContent, track) {
+ var parser = new window$3.WebVTT.Parser(window$3, window$3.vttjs, window$3.WebVTT.StringDecoder());
+ var errors = [];
- if (IS_IE8) {
- trackElement = document_1.createElement('custom');
+ parser.oncue = function (cue) {
+ track.addCue(cue);
+ };
- for (var prop in HTMLTrackElement.prototype) {
- if (prop !== 'constructor') {
- trackElement[prop] = HTMLTrackElement.prototype[prop];
- }
- }
- }
+ parser.onparsingerror = function (error) {
+ errors.push(error);
+ };
- var track = new TextTrack(options);
+ parser.onflush = function () {
+ track.trigger({
+ type: 'loadeddata',
+ target: track
+ });
+ };
- trackElement.kind = track.kind;
- trackElement.src = track.src;
- trackElement.srclang = track.language;
- trackElement.label = track.label;
- trackElement['default'] = track['default'];
+ parser.parse(srcContent);
- /**
- * @memberof HTMLTrackElement
- * @member {HTMLTrackElement~ReadyState} readyState
- * The current ready state of the track element.
- * @instance
- */
- Object.defineProperty(trackElement, 'readyState', {
- get: function get$$1() {
- return readyState;
+ if (errors.length > 0) {
+ if (window$3.console && window$3.console.groupCollapsed) {
+ window$3.console.groupCollapsed("Text Track parsing errors for " + track.src);
}
- });
- /**
- * @memberof HTMLTrackElement
- * @member {TextTrack} track
- * The underlying TextTrack object.
- * @instance
- *
- */
- Object.defineProperty(trackElement, 'track', {
- get: function get$$1() {
- return track;
- }
- });
+ errors.forEach(function (error) {
+ return log.error(error);
+ });
- readyState = NONE;
+ if (window$3.console && window$3.console.groupEnd) {
+ window$3.console.groupEnd();
+ }
+ }
- /**
- * @listens TextTrack#loadeddata
- * @fires HTMLTrackElement#load
- */
- track.addEventListener('loadeddata', function () {
- readyState = LOADED;
+ parser.flush();
+ };
+ /**
+ * Load a `TextTrack` from a specified url.
+ *
+ * @param {string} src
+ * Url to load track from.
+ *
+ * @param {TextTrack} track
+ * Track to add cues to. Comes from the content at the end of `url`.
+ *
+ * @private
+ */
- trackElement.trigger({
- type: 'load',
- target: trackElement
- });
- });
- if (IS_IE8) {
- var _ret;
+ var loadTrack = function loadTrack(src, track) {
+ var opts = {
+ uri: src
+ };
+ var crossOrigin = isCrossOrigin(src);
- return _ret = trackElement, possibleConstructorReturn(_this, _ret);
+ if (crossOrigin) {
+ opts.cors = crossOrigin;
}
- return _this;
- }
- return HTMLTrackElement;
-}(EventTarget);
+ xhr(opts, bind(this, function (err, response, responseBody) {
+ if (err) {
+ return log.error(err, response);
+ }
-HTMLTrackElement.prototype.allowedEvents_ = {
- load: 'load'
-};
+ track.loaded_ = true; // Make sure that vttjs has loaded, otherwise, wait till it finished loading
+ // NOTE: this is only used for the alt/video.novtt.js build
+
+ if (typeof window$3.WebVTT !== 'function') {
+ if (track.tech_) {
+ // to prevent use before define eslint error, we define loadHandler
+ // as a let here
+ track.tech_.any(['vttjsloaded', 'vttjserror'], function (event) {
+ if (event.type === 'vttjserror') {
+ log.error("vttjs failed to load, stopping trying to process " + track.src);
+ return;
+ }
-HTMLTrackElement.NONE = NONE;
-HTMLTrackElement.LOADING = LOADING;
-HTMLTrackElement.LOADED = LOADED;
-HTMLTrackElement.ERROR = ERROR;
+ return parseCues(responseBody, track);
+ });
+ }
+ } else {
+ parseCues(responseBody, track);
+ }
+ }));
+ };
+ /**
+ * A representation of a single `TextTrack`.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrack}
+ * @extends Track
+ */
-/*
- * This file contains all track properties that are used in
- * player.js, tech.js, html5.js and possibly other techs in the future.
- */
-var NORMAL = {
- audio: {
- ListClass: AudioTrackList,
- TrackClass: AudioTrack,
- capitalName: 'Audio'
- },
- video: {
- ListClass: VideoTrackList,
- TrackClass: VideoTrack,
- capitalName: 'Video'
- },
- text: {
- ListClass: TextTrackList,
- TrackClass: TextTrack,
- capitalName: 'Text'
- }
-};
-
-Object.keys(NORMAL).forEach(function (type) {
- NORMAL[type].getterName = type + 'Tracks';
- NORMAL[type].privateName = type + 'Tracks_';
-});
-
-var REMOTE = {
- remoteText: {
- ListClass: TextTrackList,
- TrackClass: TextTrack,
- capitalName: 'RemoteText',
- getterName: 'remoteTextTracks',
- privateName: 'remoteTextTracks_'
- },
- remoteTextEl: {
- ListClass: HtmlTrackElementList,
- TrackClass: HTMLTrackElement,
- capitalName: 'RemoteTextTrackEls',
- getterName: 'remoteTextTrackEls',
- privateName: 'remoteTextTrackEls_'
- }
-};
+ var TextTrack = /*#__PURE__*/function (_Track) {
+ inheritsLoose(TextTrack, _Track);
-var ALL = mergeOptions(NORMAL, REMOTE);
+ /**
+ * Create an instance of this class.
+ *
+ * @param {Object} options={}
+ * Object of option names and values
+ *
+ * @param {Tech} options.tech
+ * A reference to the tech that owns this TextTrack.
+ *
+ * @param {TextTrack~Kind} [options.kind='subtitles']
+ * A valid text track kind.
+ *
+ * @param {TextTrack~Mode} [options.mode='disabled']
+ * A valid text track mode.
+ *
+ * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
+ * A unique id for this TextTrack.
+ *
+ * @param {string} [options.label='']
+ * The menu label for this track.
+ *
+ * @param {string} [options.language='']
+ * A valid two character language code.
+ *
+ * @param {string} [options.srclang='']
+ * A valid two character language code. An alternative, but deprioritized
+ * version of `options.language`
+ *
+ * @param {string} [options.src]
+ * A url to TextTrack cues.
+ *
+ * @param {boolean} [options.default]
+ * If this track should default to on or off.
+ */
+ function TextTrack(options) {
+ var _this;
-REMOTE.names = Object.keys(REMOTE);
-NORMAL.names = Object.keys(NORMAL);
-ALL.names = [].concat(REMOTE.names).concat(NORMAL.names);
+ if (options === void 0) {
+ options = {};
+ }
-/**
- * Copyright 2013 vtt.js Contributors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
+ if (!options.tech) {
+ throw new Error('A tech was not provided.');
+ }
-/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
-var _objCreate = Object.create || (function() {
- function F() {}
- return function(o) {
- if (arguments.length !== 1) {
- throw new Error('Object.create shim only accepts one parameter.');
- }
- F.prototype = o;
- return new F();
- };
-})();
-
-// Creates a new ParserError object from an errorData object. The errorData
-// object should have default code and message properties. The default message
-// property can be overriden by passing in a message parameter.
-// See ParsingError.Errors below for acceptable errors.
-function ParsingError(errorData, message) {
- this.name = "ParsingError";
- this.code = errorData.code;
- this.message = message || errorData.message;
-}
-ParsingError.prototype = _objCreate(Error.prototype);
-ParsingError.prototype.constructor = ParsingError;
-
-// ParsingError metadata for acceptable ParsingErrors.
-ParsingError.Errors = {
- BadSignature: {
- code: 0,
- message: "Malformed WebVTT signature."
- },
- BadTimeStamp: {
- code: 1,
- message: "Malformed time stamp."
- }
-};
+ var settings = mergeOptions(options, {
+ kind: TextTrackKind[options.kind] || 'subtitles',
+ language: options.language || options.srclang || ''
+ });
+ var mode = TextTrackMode[settings.mode] || 'disabled';
+ var default_ = settings["default"];
-// Try to parse input as a time stamp.
-function parseTimeStamp(input) {
+ if (settings.kind === 'metadata' || settings.kind === 'chapters') {
+ mode = 'hidden';
+ }
- function computeSeconds(h, m, s, f) {
- return (h | 0) * 3600 + (m | 0) * 60 + (s | 0) + (f | 0) / 1000;
- }
+ _this = _Track.call(this, settings) || this;
+ _this.tech_ = settings.tech;
+ _this.cues_ = [];
+ _this.activeCues_ = [];
+ _this.preload_ = _this.tech_.preloadTextTracks !== false;
+ var cues = new TextTrackCueList(_this.cues_);
+ var activeCues = new TextTrackCueList(_this.activeCues_);
+ var changed = false;
+ var timeupdateHandler = bind(assertThisInitialized(_this), function () {
+ // Accessing this.activeCues for the side-effects of updating itself
+ // due to its nature as a getter function. Do not remove or cues will
+ // stop updating!
+ // Use the setter to prevent deletion from uglify (pure_getters rule)
+ this.activeCues = this.activeCues;
+
+ if (changed) {
+ this.trigger('cuechange');
+ changed = false;
+ }
+ });
- var m = input.match(/^(\d+):(\d{2})(:\d{2})?\.(\d{3})/);
- if (!m) {
- return null;
- }
+ if (mode !== 'disabled') {
+ _this.tech_.ready(function () {
+ _this.tech_.on('timeupdate', timeupdateHandler);
+ }, true);
+ }
- if (m[3]) {
- // Timestamp takes the form of [hours]:[minutes]:[seconds].[milliseconds]
- return computeSeconds(m[1], m[2], m[3].replace(":", ""), m[4]);
- } else if (m[1] > 59) {
- // Timestamp takes the form of [hours]:[minutes].[milliseconds]
- // First position is hours as it's over 59.
- return computeSeconds(m[1], m[2], 0, m[4]);
- } else {
- // Timestamp takes the form of [minutes]:[seconds].[milliseconds]
- return computeSeconds(0, m[1], m[2], m[4]);
- }
-}
+ Object.defineProperties(assertThisInitialized(_this), {
+ /**
+ * @memberof TextTrack
+ * @member {boolean} default
+ * If this track was set to be on or off by default. Cannot be changed after
+ * creation.
+ * @instance
+ *
+ * @readonly
+ */
+ "default": {
+ get: function get() {
+ return default_;
+ },
+ set: function set() {}
+ },
-// A settings object holds key/value pairs and will ignore anything but the first
-// assignment to a specific key.
-function Settings() {
- this.values = _objCreate(null);
-}
+ /**
+ * @memberof TextTrack
+ * @member {string} mode
+ * Set the mode of this TextTrack to a valid {@link TextTrack~Mode}. Will
+ * not be set if setting to an invalid mode.
+ * @instance
+ *
+ * @fires TextTrack#modechange
+ */
+ mode: {
+ get: function get() {
+ return mode;
+ },
+ set: function set(newMode) {
+ var _this2 = this;
+
+ if (!TextTrackMode[newMode]) {
+ return;
+ }
-Settings.prototype = {
- // Only accept the first assignment to any key.
- set: function(k, v) {
- if (!this.get(k) && v !== "") {
- this.values[k] = v;
- }
- },
- // Return the value for a key, or a default value.
- // If 'defaultKey' is passed then 'dflt' is assumed to be an object with
- // a number of possible default values as properties where 'defaultKey' is
- // the key of the property that will be chosen; otherwise it's assumed to be
- // a single value.
- get: function(k, dflt, defaultKey) {
- if (defaultKey) {
- return this.has(k) ? this.values[k] : dflt[defaultKey];
- }
- return this.has(k) ? this.values[k] : dflt;
- },
- // Check whether we have a value for a key.
- has: function(k) {
- return k in this.values;
- },
- // Accept a setting if its one of the given alternatives.
- alt: function(k, v, a) {
- for (var n = 0; n < a.length; ++n) {
- if (v === a[n]) {
- this.set(k, v);
- break;
- }
- }
- },
- // Accept a setting if its a valid (signed) integer.
- integer: function(k, v) {
- if (/^-?\d+$/.test(v)) { // integer
- this.set(k, parseInt(v, 10));
- }
- },
- // Accept a setting if its a valid percentage.
- percent: function(k, v) {
- var m;
- if ((m = v.match(/^([\d]{1,3})(\.[\d]*)?%$/))) {
- v = parseFloat(v);
- if (v >= 0 && v <= 100) {
- this.set(k, v);
- return true;
- }
- }
- return false;
- }
-};
-
-// Helper function to parse input into groups separated by 'groupDelim', and
-// interprete each group as a key/value pair separated by 'keyValueDelim'.
-function parseOptions(input, callback, keyValueDelim, groupDelim) {
- var groups = groupDelim ? input.split(groupDelim) : [input];
- for (var i in groups) {
- if (typeof groups[i] !== "string") {
- continue;
- }
- var kv = groups[i].split(keyValueDelim);
- if (kv.length !== 2) {
- continue;
- }
- var k = kv[0];
- var v = kv[1];
- callback(k, v);
- }
-}
-
-function parseCue(input, cue, regionList) {
- // Remember the original input if we need to throw an error.
- var oInput = input;
- // 4.1 WebVTT timestamp
- function consumeTimeStamp() {
- var ts = parseTimeStamp(input);
- if (ts === null) {
- throw new ParsingError(ParsingError.Errors.BadTimeStamp,
- "Malformed timestamp: " + oInput);
- }
- // Remove time stamp from input.
- input = input.replace(/^[^\sa-zA-Z-]+/, "");
- return ts;
- }
+ mode = newMode;
- // 4.4.2 WebVTT cue settings
- function consumeCueSettings(input, cue) {
- var settings = new Settings();
-
- parseOptions(input, function (k, v) {
- switch (k) {
- case "region":
- // Find the last region we parsed with the same region id.
- for (var i = regionList.length - 1; i >= 0; i--) {
- if (regionList[i].id === v) {
- settings.set(k, regionList[i].region);
- break;
+ if (!this.preload_ && mode !== 'disabled' && this.cues.length === 0) {
+ // On-demand load.
+ loadTrack(this.src, this);
+ }
+
+ if (mode !== 'disabled') {
+ this.tech_.ready(function () {
+ _this2.tech_.on('timeupdate', timeupdateHandler);
+ }, true);
+ } else {
+ this.tech_.off('timeupdate', timeupdateHandler);
+ }
+ /**
+ * An event that fires when mode changes on this track. This allows
+ * the TextTrackList that holds this track to act accordingly.
+ *
+ * > Note: This is not part of the spec!
+ *
+ * @event TextTrack#modechange
+ * @type {EventTarget~Event}
+ */
+
+
+ this.trigger('modechange');
}
- }
- break;
- case "vertical":
- settings.alt(k, v, ["rl", "lr"]);
- break;
- case "line":
- var vals = v.split(","),
- vals0 = vals[0];
- settings.integer(k, vals0);
- settings.percent(k, vals0) ? settings.set("snapToLines", false) : null;
- settings.alt(k, vals0, ["auto"]);
- if (vals.length === 2) {
- settings.alt("lineAlign", vals[1], ["start", "middle", "end"]);
- }
- break;
- case "position":
- vals = v.split(",");
- settings.percent(k, vals[0]);
- if (vals.length === 2) {
- settings.alt("positionAlign", vals[1], ["start", "middle", "end"]);
- }
- break;
- case "size":
- settings.percent(k, v);
- break;
- case "align":
- settings.alt(k, v, ["start", "middle", "end", "left", "right"]);
- break;
- }
- }, /:/, /\s/);
-
- // Apply default values for any missing fields.
- cue.region = settings.get("region", null);
- cue.vertical = settings.get("vertical", "");
- cue.line = settings.get("line", "auto");
- cue.lineAlign = settings.get("lineAlign", "start");
- cue.snapToLines = settings.get("snapToLines", true);
- cue.size = settings.get("size", 100);
- cue.align = settings.get("align", "middle");
- cue.position = settings.get("position", {
- start: 0,
- left: 0,
- middle: 50,
- end: 100,
- right: 100
- }, cue.align);
- cue.positionAlign = settings.get("positionAlign", {
- start: "start",
- left: "start",
- middle: "middle",
- end: "end",
- right: "end"
- }, cue.align);
- }
+ },
- function skipWhitespace() {
- input = input.replace(/^\s+/, "");
- }
+ /**
+ * @memberof TextTrack
+ * @member {TextTrackCueList} cues
+ * The text track cue list for this TextTrack.
+ * @instance
+ */
+ cues: {
+ get: function get() {
+ if (!this.loaded_) {
+ return null;
+ }
- // 4.1 WebVTT cue timings.
- skipWhitespace();
- cue.startTime = consumeTimeStamp(); // (1) collect cue start time
- skipWhitespace();
- if (input.substr(0, 3) !== "-->") { // (3) next characters must match "-->"
- throw new ParsingError(ParsingError.Errors.BadTimeStamp,
- "Malformed time stamp (time stamps must be separated by '-->'): " +
- oInput);
- }
- input = input.substr(3);
- skipWhitespace();
- cue.endTime = consumeTimeStamp(); // (5) collect cue end time
-
- // 4.1 WebVTT cue settings list.
- skipWhitespace();
- consumeCueSettings(input, cue);
-}
-
-var ESCAPE = {
- "&": "&",
- "<": "<",
- ">": ">",
- "‎": "\u200e",
- "‏": "\u200f",
- " ": "\u00a0"
-};
-
-var TAG_NAME = {
- c: "span",
- i: "i",
- b: "b",
- u: "u",
- ruby: "ruby",
- rt: "rt",
- v: "span",
- lang: "span"
-};
-
-var TAG_ANNOTATION = {
- v: "title",
- lang: "lang"
-};
-
-var NEEDS_PARENT = {
- rt: "ruby"
-};
-
-// Parse content into a document fragment.
-function parseContent(window, input) {
- function nextToken() {
- // Check for end-of-string.
- if (!input) {
- return null;
- }
+ return cues;
+ },
+ set: function set() {}
+ },
- // Consume 'n' characters from the input.
- function consume(result) {
- input = input.substr(result.length);
- return result;
- }
+ /**
+ * @memberof TextTrack
+ * @member {TextTrackCueList} activeCues
+ * The list text track cues that are currently active for this TextTrack.
+ * @instance
+ */
+ activeCues: {
+ get: function get() {
+ if (!this.loaded_) {
+ return null;
+ } // nothing to do
- var m = input.match(/^([^<]*)(<[^>]+>?)?/);
- // If there is some text before the next tag, return it, otherwise return
- // the tag.
- return consume(m[1] ? m[1] : m[2]);
- }
- // Unescape a string 's'.
- function unescape1(e) {
- return ESCAPE[e];
- }
- function unescape(s) {
- while ((m = s.match(/&(amp|lt|gt|lrm|rlm|nbsp);/))) {
- s = s.replace(m[0], unescape1);
- }
- return s;
- }
+ if (this.cues.length === 0) {
+ return activeCues;
+ }
- function shouldAdd(current, element) {
- return !NEEDS_PARENT[element.localName] ||
- NEEDS_PARENT[element.localName] === current.localName;
- }
+ var ct = this.tech_.currentTime();
+ var active = [];
- // Create an element for this tag.
- function createElement(type, annotation) {
- var tagName = TAG_NAME[type];
- if (!tagName) {
- return null;
- }
- var element = window.document.createElement(tagName);
- element.localName = tagName;
- var name = TAG_ANNOTATION[type];
- if (name && annotation) {
- element[name] = annotation.trim();
- }
- return element;
- }
+ for (var i = 0, l = this.cues.length; i < l; i++) {
+ var cue = this.cues[i];
- var rootDiv = window.document.createElement("div"),
- current = rootDiv,
- t,
- tagStack = [];
-
- while ((t = nextToken()) !== null) {
- if (t[0] === '<') {
- if (t[1] === "/") {
- // If the closing tag matches, move back up to the parent node.
- if (tagStack.length &&
- tagStack[tagStack.length - 1] === t.substr(2).replace(">", "")) {
- tagStack.pop();
- current = current.parentNode;
- }
- // Otherwise just ignore the end tag.
- continue;
- }
- var ts = parseTimeStamp(t.substr(1, t.length - 2));
- var node;
- if (ts) {
- // Timestamps are lead nodes as well.
- node = window.document.createProcessingInstruction("timestamp", ts);
- current.appendChild(node);
- continue;
- }
- var m = t.match(/^<([^.\s/0-9>]+)(\.[^\s\\>]+)?([^>\\]+)?(\\?)>?$/);
- // If we can't parse the tag, skip to the next tag.
- if (!m) {
- continue;
- }
- // Try to construct an element, and ignore the tag if we couldn't.
- node = createElement(m[1], m[3]);
- if (!node) {
- continue;
- }
- // Determine if the tag should be added based on the context of where it
- // is placed in the cuetext.
- if (!shouldAdd(current, node)) {
- continue;
- }
- // Set the class list (as a list of classes, separated by space).
- if (m[2]) {
- node.className = m[2].substr(1).replace('.', ' ');
- }
- // Append the node to the current node, and enter the scope of the new
- // node.
- tagStack.push(m[1]);
- current.appendChild(node);
- current = node;
- continue;
- }
+ if (cue.startTime <= ct && cue.endTime >= ct) {
+ active.push(cue);
+ } else if (cue.startTime === cue.endTime && cue.startTime <= ct && cue.startTime + 0.5 >= ct) {
+ active.push(cue);
+ }
+ }
- // Text nodes are leaf nodes.
- current.appendChild(window.document.createTextNode(unescape(t)));
- }
+ changed = false;
- return rootDiv;
-}
-
-// This is a list of all the Unicode characters that have a strong
-// right-to-left category. What this means is that these characters are
-// written right-to-left for sure. It was generated by pulling all the strong
-// right-to-left characters out of the Unicode data table. That table can
-// found at: http://www.unicode.org/Public/UNIDATA/UnicodeData.txt
-var strongRTLRanges = [[0x5be, 0x5be], [0x5c0, 0x5c0], [0x5c3, 0x5c3], [0x5c6, 0x5c6],
- [0x5d0, 0x5ea], [0x5f0, 0x5f4], [0x608, 0x608], [0x60b, 0x60b], [0x60d, 0x60d],
- [0x61b, 0x61b], [0x61e, 0x64a], [0x66d, 0x66f], [0x671, 0x6d5], [0x6e5, 0x6e6],
- [0x6ee, 0x6ef], [0x6fa, 0x70d], [0x70f, 0x710], [0x712, 0x72f], [0x74d, 0x7a5],
- [0x7b1, 0x7b1], [0x7c0, 0x7ea], [0x7f4, 0x7f5], [0x7fa, 0x7fa], [0x800, 0x815],
- [0x81a, 0x81a], [0x824, 0x824], [0x828, 0x828], [0x830, 0x83e], [0x840, 0x858],
- [0x85e, 0x85e], [0x8a0, 0x8a0], [0x8a2, 0x8ac], [0x200f, 0x200f],
- [0xfb1d, 0xfb1d], [0xfb1f, 0xfb28], [0xfb2a, 0xfb36], [0xfb38, 0xfb3c],
- [0xfb3e, 0xfb3e], [0xfb40, 0xfb41], [0xfb43, 0xfb44], [0xfb46, 0xfbc1],
- [0xfbd3, 0xfd3d], [0xfd50, 0xfd8f], [0xfd92, 0xfdc7], [0xfdf0, 0xfdfc],
- [0xfe70, 0xfe74], [0xfe76, 0xfefc], [0x10800, 0x10805], [0x10808, 0x10808],
- [0x1080a, 0x10835], [0x10837, 0x10838], [0x1083c, 0x1083c], [0x1083f, 0x10855],
- [0x10857, 0x1085f], [0x10900, 0x1091b], [0x10920, 0x10939], [0x1093f, 0x1093f],
- [0x10980, 0x109b7], [0x109be, 0x109bf], [0x10a00, 0x10a00], [0x10a10, 0x10a13],
- [0x10a15, 0x10a17], [0x10a19, 0x10a33], [0x10a40, 0x10a47], [0x10a50, 0x10a58],
- [0x10a60, 0x10a7f], [0x10b00, 0x10b35], [0x10b40, 0x10b55], [0x10b58, 0x10b72],
- [0x10b78, 0x10b7f], [0x10c00, 0x10c48], [0x1ee00, 0x1ee03], [0x1ee05, 0x1ee1f],
- [0x1ee21, 0x1ee22], [0x1ee24, 0x1ee24], [0x1ee27, 0x1ee27], [0x1ee29, 0x1ee32],
- [0x1ee34, 0x1ee37], [0x1ee39, 0x1ee39], [0x1ee3b, 0x1ee3b], [0x1ee42, 0x1ee42],
- [0x1ee47, 0x1ee47], [0x1ee49, 0x1ee49], [0x1ee4b, 0x1ee4b], [0x1ee4d, 0x1ee4f],
- [0x1ee51, 0x1ee52], [0x1ee54, 0x1ee54], [0x1ee57, 0x1ee57], [0x1ee59, 0x1ee59],
- [0x1ee5b, 0x1ee5b], [0x1ee5d, 0x1ee5d], [0x1ee5f, 0x1ee5f], [0x1ee61, 0x1ee62],
- [0x1ee64, 0x1ee64], [0x1ee67, 0x1ee6a], [0x1ee6c, 0x1ee72], [0x1ee74, 0x1ee77],
- [0x1ee79, 0x1ee7c], [0x1ee7e, 0x1ee7e], [0x1ee80, 0x1ee89], [0x1ee8b, 0x1ee9b],
- [0x1eea1, 0x1eea3], [0x1eea5, 0x1eea9], [0x1eeab, 0x1eebb], [0x10fffd, 0x10fffd]];
-
-function isStrongRTLChar(charCode) {
- for (var i = 0; i < strongRTLRanges.length; i++) {
- var currentRange = strongRTLRanges[i];
- if (charCode >= currentRange[0] && charCode <= currentRange[1]) {
- return true;
- }
- }
+ if (active.length !== this.activeCues_.length) {
+ changed = true;
+ } else {
+ for (var _i = 0; _i < active.length; _i++) {
+ if (this.activeCues_.indexOf(active[_i]) === -1) {
+ changed = true;
+ }
+ }
+ }
- return false;
-}
+ this.activeCues_ = active;
+ activeCues.setCues_(this.activeCues_);
+ return activeCues;
+ },
+ // /!\ Keep this setter empty (see the timeupdate handler above)
+ set: function set() {}
+ }
+ });
-function determineBidi(cueDiv) {
- var nodeStack = [],
- text = "",
- charCode;
+ if (settings.src) {
+ _this.src = settings.src;
- if (!cueDiv || !cueDiv.childNodes) {
- return "ltr";
- }
+ if (!_this.preload_) {
+ // Tracks will load on-demand.
+ // Act like we're loaded for other purposes.
+ _this.loaded_ = true;
+ }
- function pushNodes(nodeStack, node) {
- for (var i = node.childNodes.length - 1; i >= 0; i--) {
- nodeStack.push(node.childNodes[i]);
- }
- }
+ if (_this.preload_ || default_ || settings.kind !== 'subtitles' && settings.kind !== 'captions') {
+ loadTrack(_this.src, assertThisInitialized(_this));
+ }
+ } else {
+ _this.loaded_ = true;
+ }
- function nextTextNode(nodeStack) {
- if (!nodeStack || !nodeStack.length) {
- return null;
+ return _this;
}
+ /**
+ * Add a cue to the internal list of cues.
+ *
+ * @param {TextTrack~Cue} cue
+ * The cue to add to our internal list
+ */
- var node = nodeStack.pop(),
- text = node.textContent || node.innerText;
- if (text) {
- // TODO: This should match all unicode type B characters (paragraph
- // separator characters). See issue #115.
- var m = text.match(/^.*(\n|\r)/);
- if (m) {
- nodeStack.length = 0;
- return m[0];
- }
- return text;
- }
- if (node.tagName === "ruby") {
- return nextTextNode(nodeStack);
- }
- if (node.childNodes) {
- pushNodes(nodeStack, node);
- return nextTextNode(nodeStack);
- }
- }
- pushNodes(nodeStack, cueDiv);
- while ((text = nextTextNode(nodeStack))) {
- for (var i = 0; i < text.length; i++) {
- charCode = text.charCodeAt(i);
- if (isStrongRTLChar(charCode)) {
- return "rtl";
- }
- }
- }
- return "ltr";
-}
+ var _proto = TextTrack.prototype;
-function computeLinePos(cue) {
- if (typeof cue.line === "number" &&
- (cue.snapToLines || (cue.line >= 0 && cue.line <= 100))) {
- return cue.line;
- }
- if (!cue.track || !cue.track.textTrackList ||
- !cue.track.textTrackList.mediaElement) {
- return -1;
- }
- var track = cue.track,
- trackList = track.textTrackList,
- count = 0;
- for (var i = 0; i < trackList.length && trackList[i] !== track; i++) {
- if (trackList[i].mode === "showing") {
- count++;
- }
- }
- return ++count * -1;
-}
+ _proto.addCue = function addCue(originalCue) {
+ var cue = originalCue;
-function StyleBox() {
-}
+ if (window$3.vttjs && !(originalCue instanceof window$3.vttjs.VTTCue)) {
+ cue = new window$3.vttjs.VTTCue(originalCue.startTime, originalCue.endTime, originalCue.text);
-// Apply styles to a div. If there is no div passed then it defaults to the
-// div on 'this'.
-StyleBox.prototype.applyStyles = function(styles, div) {
- div = div || this.div;
- for (var prop in styles) {
- if (styles.hasOwnProperty(prop)) {
- div.style[prop] = styles[prop];
- }
- }
-};
-
-StyleBox.prototype.formatStyle = function(val, unit) {
- return val === 0 ? 0 : val + unit;
-};
-
-// Constructs the computed display state of the cue (a div). Places the div
-// into the overlay which should be a block level element (usually a div).
-function CueStyleBox(window, cue, styleOptions) {
- var isIE8 = (/MSIE\s8\.0/).test(navigator.userAgent);
- var color = "rgba(255, 255, 255, 1)";
- var backgroundColor = "rgba(0, 0, 0, 0.8)";
-
- if (isIE8) {
- color = "rgb(255, 255, 255)";
- backgroundColor = "rgb(0, 0, 0)";
- }
+ for (var prop in originalCue) {
+ if (!(prop in cue)) {
+ cue[prop] = originalCue[prop];
+ }
+ } // make sure that `id` is copied over
- StyleBox.call(this);
- this.cue = cue;
-
- // Parse our cue's text into a DOM tree rooted at 'cueDiv'. This div will
- // have inline positioning and will function as the cue background box.
- this.cueDiv = parseContent(window, cue.text);
- var styles = {
- color: color,
- backgroundColor: backgroundColor,
- position: "relative",
- left: 0,
- right: 0,
- top: 0,
- bottom: 0,
- display: "inline"
- };
-
- if (!isIE8) {
- styles.writingMode = cue.vertical === "" ? "horizontal-tb"
- : cue.vertical === "lr" ? "vertical-lr"
- : "vertical-rl";
- styles.unicodeBidi = "plaintext";
- }
- this.applyStyles(styles, this.cueDiv);
-
- // Create an absolutely positioned div that will be used to position the cue
- // div. Note, all WebVTT cue-setting alignments are equivalent to the CSS
- // mirrors of them except "middle" which is "center" in CSS.
- this.div = window.document.createElement("div");
- styles = {
- textAlign: cue.align === "middle" ? "center" : cue.align,
- font: styleOptions.font,
- whiteSpace: "pre-line",
- position: "absolute"
- };
-
- if (!isIE8) {
- styles.direction = determineBidi(this.cueDiv);
- styles.writingMode = cue.vertical === "" ? "horizontal-tb"
- : cue.vertical === "lr" ? "vertical-lr"
- : "vertical-rl".
- stylesunicodeBidi = "plaintext";
- }
- this.applyStyles(styles);
-
- this.div.appendChild(this.cueDiv);
-
- // Calculate the distance from the reference edge of the viewport to the text
- // position of the cue box. The reference edge will be resolved later when
- // the box orientation styles are applied.
- var textPos = 0;
- switch (cue.positionAlign) {
- case "start":
- textPos = cue.position;
- break;
- case "middle":
- textPos = cue.position - (cue.size / 2);
- break;
- case "end":
- textPos = cue.position - cue.size;
- break;
- }
+ cue.id = originalCue.id;
+ cue.originalCue_ = originalCue;
+ }
- // Horizontal box orientation; textPos is the distance from the left edge of the
- // area to the left edge of the box and cue.size is the distance extending to
- // the right from there.
- if (cue.vertical === "") {
- this.applyStyles({
- left: this.formatStyle(textPos, "%"),
- width: this.formatStyle(cue.size, "%")
- });
- // Vertical box orientation; textPos is the distance from the top edge of the
- // area to the top edge of the box and cue.size is the height extending
- // downwards from there.
- } else {
- this.applyStyles({
- top: this.formatStyle(textPos, "%"),
- height: this.formatStyle(cue.size, "%")
- });
- }
+ var tracks = this.tech_.textTracks();
- this.move = function(box) {
- this.applyStyles({
- top: this.formatStyle(box.top, "px"),
- bottom: this.formatStyle(box.bottom, "px"),
- left: this.formatStyle(box.left, "px"),
- right: this.formatStyle(box.right, "px"),
- height: this.formatStyle(box.height, "px"),
- width: this.formatStyle(box.width, "px")
- });
- };
-}
-CueStyleBox.prototype = _objCreate(StyleBox.prototype);
-CueStyleBox.prototype.constructor = CueStyleBox;
-
-// Represents the co-ordinates of an Element in a way that we can easily
-// compute things with such as if it overlaps or intersects with another Element.
-// Can initialize it with either a StyleBox or another BoxPosition.
-function BoxPosition(obj) {
- var isIE8 = (/MSIE\s8\.0/).test(navigator.userAgent);
-
- // Either a BoxPosition was passed in and we need to copy it, or a StyleBox
- // was passed in and we need to copy the results of 'getBoundingClientRect'
- // as the object returned is readonly. All co-ordinate values are in reference
- // to the viewport origin (top left).
- var lh, height, width, top;
- if (obj.div) {
- height = obj.div.offsetHeight;
- width = obj.div.offsetWidth;
- top = obj.div.offsetTop;
-
- var rects = (rects = obj.div.childNodes) && (rects = rects[0]) &&
- rects.getClientRects && rects.getClientRects();
- obj = obj.div.getBoundingClientRect();
- // In certain cases the outter div will be slightly larger then the sum of
- // the inner div's lines. This could be due to bold text, etc, on some platforms.
- // In this case we should get the average line height and use that. This will
- // result in the desired behaviour.
- lh = rects ? Math.max((rects[0] && rects[0].height) || 0, obj.height / rects.length)
- : 0;
+ for (var i = 0; i < tracks.length; i++) {
+ if (tracks[i] !== this) {
+ tracks[i].removeCue(cue);
+ }
+ }
- }
- this.left = obj.left;
- this.right = obj.right;
- this.top = obj.top || top;
- this.height = obj.height || height;
- this.bottom = obj.bottom || (top + (obj.height || height));
- this.width = obj.width || width;
- this.lineHeight = lh !== undefined ? lh : obj.lineHeight;
-
- if (isIE8 && !this.lineHeight) {
- this.lineHeight = 13;
- }
-}
-
-// Move the box along a particular axis. Optionally pass in an amount to move
-// the box. If no amount is passed then the default is the line height of the
-// box.
-BoxPosition.prototype.move = function(axis, toMove) {
- toMove = toMove !== undefined ? toMove : this.lineHeight;
- switch (axis) {
- case "+x":
- this.left += toMove;
- this.right += toMove;
- break;
- case "-x":
- this.left -= toMove;
- this.right -= toMove;
- break;
- case "+y":
- this.top += toMove;
- this.bottom += toMove;
- break;
- case "-y":
- this.top -= toMove;
- this.bottom -= toMove;
- break;
- }
-};
-
-// Check if this box overlaps another box, b2.
-BoxPosition.prototype.overlaps = function(b2) {
- return this.left < b2.right &&
- this.right > b2.left &&
- this.top < b2.bottom &&
- this.bottom > b2.top;
-};
-
-// Check if this box overlaps any other boxes in boxes.
-BoxPosition.prototype.overlapsAny = function(boxes) {
- for (var i = 0; i < boxes.length; i++) {
- if (this.overlaps(boxes[i])) {
- return true;
+ this.cues_.push(cue);
+ this.cues.setCues_(this.cues_);
}
- }
- return false;
-};
-
-// Check if this box is within another box.
-BoxPosition.prototype.within = function(container) {
- return this.top >= container.top &&
- this.bottom <= container.bottom &&
- this.left >= container.left &&
- this.right <= container.right;
-};
-
-// Check if this box is entirely within the container or it is overlapping
-// on the edge opposite of the axis direction passed. For example, if "+x" is
-// passed and the box is overlapping on the left edge of the container, then
-// return true.
-BoxPosition.prototype.overlapsOppositeAxis = function(container, axis) {
- switch (axis) {
- case "+x":
- return this.left < container.left;
- case "-x":
- return this.right > container.right;
- case "+y":
- return this.top < container.top;
- case "-y":
- return this.bottom > container.bottom;
- }
-};
-
-// Find the percentage of the area that this box is overlapping with another
-// box.
-BoxPosition.prototype.intersectPercentage = function(b2) {
- var x = Math.max(0, Math.min(this.right, b2.right) - Math.max(this.left, b2.left)),
- y = Math.max(0, Math.min(this.bottom, b2.bottom) - Math.max(this.top, b2.top)),
- intersectArea = x * y;
- return intersectArea / (this.height * this.width);
-};
-
-// Convert the positions from this box to CSS compatible positions using
-// the reference container's positions. This has to be done because this
-// box's positions are in reference to the viewport origin, whereas, CSS
-// values are in referecne to their respective edges.
-BoxPosition.prototype.toCSSCompatValues = function(reference) {
- return {
- top: this.top - reference.top,
- bottom: reference.bottom - this.bottom,
- left: this.left - reference.left,
- right: reference.right - this.right,
- height: this.height,
- width: this.width
- };
-};
-
-// Get an object that represents the box's position without anything extra.
-// Can pass a StyleBox, HTMLElement, or another BoxPositon.
-BoxPosition.getSimpleBoxPosition = function(obj) {
- var height = obj.div ? obj.div.offsetHeight : obj.tagName ? obj.offsetHeight : 0;
- var width = obj.div ? obj.div.offsetWidth : obj.tagName ? obj.offsetWidth : 0;
- var top = obj.div ? obj.div.offsetTop : obj.tagName ? obj.offsetTop : 0;
-
- obj = obj.div ? obj.div.getBoundingClientRect() :
- obj.tagName ? obj.getBoundingClientRect() : obj;
- var ret = {
- left: obj.left,
- right: obj.right,
- top: obj.top || top,
- height: obj.height || height,
- bottom: obj.bottom || (top + (obj.height || height)),
- width: obj.width || width
- };
- return ret;
-};
-
-// Move a StyleBox to its specified, or next best, position. The containerBox
-// is the box that contains the StyleBox, such as a div. boxPositions are
-// a list of other boxes that the styleBox can't overlap with.
-function moveBoxToLinePosition(window, styleBox, containerBox, boxPositions) {
-
- // Find the best position for a cue box, b, on the video. The axis parameter
- // is a list of axis, the order of which, it will move the box along. For example:
- // Passing ["+x", "-x"] will move the box first along the x axis in the positive
- // direction. If it doesn't find a good position for it there it will then move
- // it along the x axis in the negative direction.
- function findBestPosition(b, axis) {
- var bestPosition,
- specifiedPosition = new BoxPosition(b),
- percentage = 1; // Highest possible so the first thing we get is better.
-
- for (var i = 0; i < axis.length; i++) {
- while (b.overlapsOppositeAxis(containerBox, axis[i]) ||
- (b.within(containerBox) && b.overlapsAny(boxPositions))) {
- b.move(axis[i]);
- }
- // We found a spot where we aren't overlapping anything. This is our
- // best position.
- if (b.within(containerBox)) {
- return b;
- }
- var p = b.intersectPercentage(containerBox);
- // If we're outside the container box less then we were on our last try
- // then remember this position as the best position.
- if (percentage > p) {
- bestPosition = new BoxPosition(b);
- percentage = p;
- }
- // Reset the box position to the specified position.
- b = new BoxPosition(specifiedPosition);
- }
- return bestPosition || specifiedPosition;
- }
+ /**
+ * Remove a cue from our internal list
+ *
+ * @param {TextTrack~Cue} removeCue
+ * The cue to remove from our internal list
+ */
+ ;
- var boxPosition = new BoxPosition(styleBox),
- cue = styleBox.cue,
- linePos = computeLinePos(cue),
- axis = [];
-
- // If we have a line number to align the cue to.
- if (cue.snapToLines) {
- var size;
- switch (cue.vertical) {
- case "":
- axis = [ "+y", "-y" ];
- size = "height";
- break;
- case "rl":
- axis = [ "+x", "-x" ];
- size = "width";
- break;
- case "lr":
- axis = [ "-x", "+x" ];
- size = "width";
- break;
- }
+ _proto.removeCue = function removeCue(_removeCue) {
+ var i = this.cues_.length;
- var step = boxPosition.lineHeight,
- position = step * Math.round(linePos),
- maxPosition = containerBox[size] + step,
- initialAxis = axis[0];
+ while (i--) {
+ var cue = this.cues_[i];
- // If the specified intial position is greater then the max position then
- // clamp the box to the amount of steps it would take for the box to
- // reach the max position.
- if (Math.abs(position) > maxPosition) {
- position = position < 0 ? -1 : 1;
- position *= Math.ceil(maxPosition / step) * step;
- }
+ if (cue === _removeCue || cue.originalCue_ && cue.originalCue_ === _removeCue) {
+ this.cues_.splice(i, 1);
+ this.cues.setCues_(this.cues_);
+ break;
+ }
+ }
+ };
- // If computed line position returns negative then line numbers are
- // relative to the bottom of the video instead of the top. Therefore, we
- // need to increase our initial position by the length or width of the
- // video, depending on the writing direction, and reverse our axis directions.
- if (linePos < 0) {
- position += cue.vertical === "" ? containerBox.height : containerBox.width;
- axis = axis.reverse();
- }
+ return TextTrack;
+ }(Track);
+ /**
+ * cuechange - One or more cues in the track have become active or stopped being active.
+ */
- // Move the box to the specified position. This may not be its best
- // position.
- boxPosition.move(initialAxis, position);
- } else {
- // If we have a percentage line value for the cue.
- var calculatedPercentage = (boxPosition.lineHeight / containerBox.height) * 100;
+ TextTrack.prototype.allowedEvents_ = {
+ cuechange: 'cuechange'
+ };
- switch (cue.lineAlign) {
- case "middle":
- linePos -= (calculatedPercentage / 2);
- break;
- case "end":
- linePos -= calculatedPercentage;
- break;
- }
+ /**
+ * A representation of a single `AudioTrack`. If it is part of an {@link AudioTrackList}
+ * only one `AudioTrack` in the list will be enabled at a time.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotrack}
+ * @extends Track
+ */
- // Apply initial line position to the cue box.
- switch (cue.vertical) {
- case "":
- styleBox.applyStyles({
- top: styleBox.formatStyle(linePos, "%")
- });
- break;
- case "rl":
- styleBox.applyStyles({
- left: styleBox.formatStyle(linePos, "%")
- });
- break;
- case "lr":
- styleBox.applyStyles({
- right: styleBox.formatStyle(linePos, "%")
- });
- break;
- }
+ var AudioTrack = /*#__PURE__*/function (_Track) {
+ inheritsLoose(AudioTrack, _Track);
+
+ /**
+ * Create an instance of this class.
+ *
+ * @param {Object} [options={}]
+ * Object of option names and values
+ *
+ * @param {AudioTrack~Kind} [options.kind='']
+ * A valid audio track kind
+ *
+ * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
+ * A unique id for this AudioTrack.
+ *
+ * @param {string} [options.label='']
+ * The menu label for this track.
+ *
+ * @param {string} [options.language='']
+ * A valid two character language code.
+ *
+ * @param {boolean} [options.enabled]
+ * If this track is the one that is currently playing. If this track is part of
+ * an {@link AudioTrackList}, only one {@link AudioTrack} will be enabled.
+ */
+ function AudioTrack(options) {
+ var _this;
- axis = [ "+y", "-x", "+x", "-y" ];
+ if (options === void 0) {
+ options = {};
+ }
- // Get the box position again after we've applied the specified positioning
- // to it.
- boxPosition = new BoxPosition(styleBox);
- }
+ var settings = mergeOptions(options, {
+ kind: AudioTrackKind[options.kind] || ''
+ });
+ _this = _Track.call(this, settings) || this;
+ var enabled = false;
+ /**
+ * @memberof AudioTrack
+ * @member {boolean} enabled
+ * If this `AudioTrack` is enabled or not. When setting this will
+ * fire {@link AudioTrack#enabledchange} if the state of enabled is changed.
+ * @instance
+ *
+ * @fires VideoTrack#selectedchange
+ */
- var bestPosition = findBestPosition(boxPosition, axis);
- styleBox.move(bestPosition.toCSSCompatValues(containerBox));
-}
+ Object.defineProperty(assertThisInitialized(_this), 'enabled', {
+ get: function get() {
+ return enabled;
+ },
+ set: function set(newEnabled) {
+ // an invalid or unchanged value
+ if (typeof newEnabled !== 'boolean' || newEnabled === enabled) {
+ return;
+ }
+
+ enabled = newEnabled;
+ /**
+ * An event that fires when enabled changes on this track. This allows
+ * the AudioTrackList that holds this track to act accordingly.
+ *
+ * > Note: This is not part of the spec! Native tracks will do
+ * this internally without an event.
+ *
+ * @event AudioTrack#enabledchange
+ * @type {EventTarget~Event}
+ */
-function WebVTT$1() {
- // Nothing
-}
+ this.trigger('enabledchange');
+ }
+ }); // if the user sets this track to selected then
+ // set selected to that true value otherwise
+ // we keep it false
-// Helper to allow strings to be decoded instead of the default binary utf8 data.
-WebVTT$1.StringDecoder = function() {
- return {
- decode: function(data) {
- if (!data) {
- return "";
- }
- if (typeof data !== "string") {
- throw new Error("Error - expected string data.");
+ if (settings.enabled) {
+ _this.enabled = settings.enabled;
}
- return decodeURIComponent(encodeURIComponent(data));
+
+ _this.loaded_ = true;
+ return _this;
}
- };
-};
-WebVTT$1.convertCueToDOMTree = function(window, cuetext) {
- if (!window || !cuetext) {
- return null;
- }
- return parseContent(window, cuetext);
-};
-
-var FONT_SIZE_PERCENT = 0.05;
-var FONT_STYLE = "sans-serif";
-var CUE_BACKGROUND_PADDING = "1.5%";
-
-// Runs the processing model over the cues and regions passed to it.
-// @param overlay A block level element (usually a div) that the computed cues
-// and regions will be placed into.
-WebVTT$1.processCues = function(window, cues, overlay) {
- if (!window || !cues || !overlay) {
- return null;
- }
+ return AudioTrack;
+ }(Track);
- // Remove all previous children.
- while (overlay.firstChild) {
- overlay.removeChild(overlay.firstChild);
- }
+ /**
+ * A representation of a single `VideoTrack`.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#videotrack}
+ * @extends Track
+ */
- var paddedOverlay = window.document.createElement("div");
- paddedOverlay.style.position = "absolute";
- paddedOverlay.style.left = "0";
- paddedOverlay.style.right = "0";
- paddedOverlay.style.top = "0";
- paddedOverlay.style.bottom = "0";
- paddedOverlay.style.margin = CUE_BACKGROUND_PADDING;
- overlay.appendChild(paddedOverlay);
-
- // Determine if we need to compute the display states of the cues. This could
- // be the case if a cue's state has been changed since the last computation or
- // if it has not been computed yet.
- function shouldCompute(cues) {
- for (var i = 0; i < cues.length; i++) {
- if (cues[i].hasBeenReset || !cues[i].displayState) {
- return true;
- }
- }
- return false;
- }
+ var VideoTrack = /*#__PURE__*/function (_Track) {
+ inheritsLoose(VideoTrack, _Track);
- // We don't need to recompute the cues' display states. Just reuse them.
- if (!shouldCompute(cues)) {
- for (var i = 0; i < cues.length; i++) {
- paddedOverlay.appendChild(cues[i].displayState);
- }
- return;
- }
+ /**
+ * Create an instance of this class.
+ *
+ * @param {Object} [options={}]
+ * Object of option names and values
+ *
+ * @param {string} [options.kind='']
+ * A valid {@link VideoTrack~Kind}
+ *
+ * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
+ * A unique id for this AudioTrack.
+ *
+ * @param {string} [options.label='']
+ * The menu label for this track.
+ *
+ * @param {string} [options.language='']
+ * A valid two character language code.
+ *
+ * @param {boolean} [options.selected]
+ * If this track is the one that is currently playing.
+ */
+ function VideoTrack(options) {
+ var _this;
- var boxPositions = [],
- containerBox = BoxPosition.getSimpleBoxPosition(paddedOverlay),
- fontSize = Math.round(containerBox.height * FONT_SIZE_PERCENT * 100) / 100;
- var styleOptions = {
- font: fontSize + "px " + FONT_STYLE
- };
+ if (options === void 0) {
+ options = {};
+ }
- (function() {
- var styleBox, cue;
+ var settings = mergeOptions(options, {
+ kind: VideoTrackKind[options.kind] || ''
+ });
+ _this = _Track.call(this, settings) || this;
+ var selected = false;
+ /**
+ * @memberof VideoTrack
+ * @member {boolean} selected
+ * If this `VideoTrack` is selected or not. When setting this will
+ * fire {@link VideoTrack#selectedchange} if the state of selected changed.
+ * @instance
+ *
+ * @fires VideoTrack#selectedchange
+ */
- for (var i = 0; i < cues.length; i++) {
- cue = cues[i];
+ Object.defineProperty(assertThisInitialized(_this), 'selected', {
+ get: function get() {
+ return selected;
+ },
+ set: function set(newSelected) {
+ // an invalid or unchanged value
+ if (typeof newSelected !== 'boolean' || newSelected === selected) {
+ return;
+ }
- // Compute the intial position and styles of the cue div.
- styleBox = new CueStyleBox(window, cue, styleOptions);
- paddedOverlay.appendChild(styleBox.div);
+ selected = newSelected;
+ /**
+ * An event that fires when selected changes on this track. This allows
+ * the VideoTrackList that holds this track to act accordingly.
+ *
+ * > Note: This is not part of the spec! Native tracks will do
+ * this internally without an event.
+ *
+ * @event VideoTrack#selectedchange
+ * @type {EventTarget~Event}
+ */
- // Move the cue div to it's correct line position.
- moveBoxToLinePosition(window, styleBox, containerBox, boxPositions);
+ this.trigger('selectedchange');
+ }
+ }); // if the user sets this track to selected then
+ // set selected to that true value otherwise
+ // we keep it false
- // Remember the computed div so that we don't have to recompute it later
- // if we don't have too.
- cue.displayState = styleBox.div;
+ if (settings.selected) {
+ _this.selected = settings.selected;
+ }
- boxPositions.push(BoxPosition.getSimpleBoxPosition(styleBox));
+ return _this;
}
- })();
-};
-WebVTT$1.Parser = function(window, vttjs, decoder) {
- if (!decoder) {
- decoder = vttjs;
- vttjs = {};
- }
- if (!vttjs) {
- vttjs = {};
- }
+ return VideoTrack;
+ }(Track);
- this.window = window;
- this.vttjs = vttjs;
- this.state = "INITIAL";
- this.buffer = "";
- this.decoder = decoder || new TextDecoder("utf8");
- this.regionList = [];
-};
-
-WebVTT$1.Parser.prototype = {
- // If the error is a ParsingError then report it to the consumer if
- // possible. If it's not a ParsingError then throw it like normal.
- reportOrThrowError: function(e) {
- if (e instanceof ParsingError) {
- this.onparsingerror && this.onparsingerror(e);
- } else {
- throw e;
- }
- },
- parse: function (data) {
- var self = this;
+ /**
+ * @memberof HTMLTrackElement
+ * @typedef {HTMLTrackElement~ReadyState}
+ * @enum {number}
+ */
- // If there is no data then we won't decode it, but will just try to parse
- // whatever is in buffer already. This may occur in circumstances, for
- // example when flush() is called.
- if (data) {
- // Try to decode the data that we received.
- self.buffer += self.decoder.decode(data, {stream: true});
- }
+ var NONE = 0;
+ var LOADING = 1;
+ var LOADED = 2;
+ var ERROR = 3;
+ /**
+ * A single track represented in the DOM.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#htmltrackelement}
+ * @extends EventTarget
+ */
- function collectNextLine() {
- var buffer = self.buffer;
- var pos = 0;
- while (pos < buffer.length && buffer[pos] !== '\r' && buffer[pos] !== '\n') {
- ++pos;
- }
- var line = buffer.substr(0, pos);
- // Advance the buffer early in case we fail below.
- if (buffer[pos] === '\r') {
- ++pos;
- }
- if (buffer[pos] === '\n') {
- ++pos;
- }
- self.buffer = buffer.substr(pos);
- return line;
- }
+ var HTMLTrackElement = /*#__PURE__*/function (_EventTarget) {
+ inheritsLoose(HTMLTrackElement, _EventTarget);
- // 3.4 WebVTT region and WebVTT region settings syntax
- function parseRegion(input) {
- var settings = new Settings();
+ /**
+ * Create an instance of this class.
+ *
+ * @param {Object} options={}
+ * Object of option names and values
+ *
+ * @param {Tech} options.tech
+ * A reference to the tech that owns this HTMLTrackElement.
+ *
+ * @param {TextTrack~Kind} [options.kind='subtitles']
+ * A valid text track kind.
+ *
+ * @param {TextTrack~Mode} [options.mode='disabled']
+ * A valid text track mode.
+ *
+ * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
+ * A unique id for this TextTrack.
+ *
+ * @param {string} [options.label='']
+ * The menu label for this track.
+ *
+ * @param {string} [options.language='']
+ * A valid two character language code.
+ *
+ * @param {string} [options.srclang='']
+ * A valid two character language code. An alternative, but deprioritized
+ * vesion of `options.language`
+ *
+ * @param {string} [options.src]
+ * A url to TextTrack cues.
+ *
+ * @param {boolean} [options.default]
+ * If this track should default to on or off.
+ */
+ function HTMLTrackElement(options) {
+ var _this;
- parseOptions(input, function (k, v) {
- switch (k) {
- case "id":
- settings.set(k, v);
- break;
- case "width":
- settings.percent(k, v);
- break;
- case "lines":
- settings.integer(k, v);
- break;
- case "regionanchor":
- case "viewportanchor":
- var xy = v.split(',');
- if (xy.length !== 2) {
- break;
- }
- // We have to make sure both x and y parse, so use a temporary
- // settings object here.
- var anchor = new Settings();
- anchor.percent("x", xy[0]);
- anchor.percent("y", xy[1]);
- if (!anchor.has("x") || !anchor.has("y")) {
- break;
- }
- settings.set(k + "X", anchor.get("x"));
- settings.set(k + "Y", anchor.get("y"));
- break;
- case "scroll":
- settings.alt(k, v, ["up"]);
- break;
- }
- }, /=/, /\s/);
-
- // Create the region, using default values for any values that were not
- // specified.
- if (settings.has("id")) {
- var region = new (self.vttjs.VTTRegion || self.window.VTTRegion)();
- region.width = settings.get("width", 100);
- region.lines = settings.get("lines", 3);
- region.regionAnchorX = settings.get("regionanchorX", 0);
- region.regionAnchorY = settings.get("regionanchorY", 100);
- region.viewportAnchorX = settings.get("viewportanchorX", 0);
- region.viewportAnchorY = settings.get("viewportanchorY", 100);
- region.scroll = settings.get("scroll", "");
- // Register the region.
- self.onregion && self.onregion(region);
- // Remember the VTTRegion for later in case we parse any VTTCues that
- // reference it.
- self.regionList.push({
- id: settings.get("id"),
- region: region
- });
+ if (options === void 0) {
+ options = {};
}
- }
- // draft-pantos-http-live-streaming-20
- // https://tools.ietf.org/html/draft-pantos-http-live-streaming-20#section-3.5
- // 3.5 WebVTT
- function parseTimestampMap(input) {
- var settings = new Settings();
+ _this = _EventTarget.call(this) || this;
+ var readyState;
+ var track = new TextTrack(options);
+ _this.kind = track.kind;
+ _this.src = track.src;
+ _this.srclang = track.language;
+ _this.label = track.label;
+ _this["default"] = track["default"];
+ Object.defineProperties(assertThisInitialized(_this), {
+ /**
+ * @memberof HTMLTrackElement
+ * @member {HTMLTrackElement~ReadyState} readyState
+ * The current ready state of the track element.
+ * @instance
+ */
+ readyState: {
+ get: function get() {
+ return readyState;
+ }
+ },
- parseOptions(input, function(k, v) {
- switch(k) {
- case "MPEGT":
- settings.integer(k + 'S', v);
- break;
- case "LOCA":
- settings.set(k + 'L', parseTimeStamp(v));
- break;
+ /**
+ * @memberof HTMLTrackElement
+ * @member {TextTrack} track
+ * The underlying TextTrack object.
+ * @instance
+ *
+ */
+ track: {
+ get: function get() {
+ return track;
+ }
}
- }, /[^\d]:/, /,/);
+ });
+ readyState = NONE;
+ /**
+ * @listens TextTrack#loadeddata
+ * @fires HTMLTrackElement#load
+ */
- self.ontimestampmap && self.ontimestampmap({
- "MPEGTS": settings.get("MPEGTS"),
- "LOCAL": settings.get("LOCAL")
+ track.addEventListener('loadeddata', function () {
+ readyState = LOADED;
+
+ _this.trigger({
+ type: 'load',
+ target: assertThisInitialized(_this)
+ });
});
+ return _this;
}
- // 3.2 WebVTT metadata header syntax
- function parseHeader(input) {
- if (input.match(/X-TIMESTAMP-MAP/)) {
- // This line contains HLS X-TIMESTAMP-MAP metadata
- parseOptions(input, function(k, v) {
- switch(k) {
- case "X-TIMESTAMP-MAP":
- parseTimestampMap(v);
- break;
- }
- }, /=/);
- } else {
- parseOptions(input, function (k, v) {
- switch (k) {
- case "Region":
- // 3.3 WebVTT region metadata header syntax
- parseRegion(v);
- break;
- }
- }, /:/);
- }
+ return HTMLTrackElement;
+ }(EventTarget);
- }
+ HTMLTrackElement.prototype.allowedEvents_ = {
+ load: 'load'
+ };
+ HTMLTrackElement.NONE = NONE;
+ HTMLTrackElement.LOADING = LOADING;
+ HTMLTrackElement.LOADED = LOADED;
+ HTMLTrackElement.ERROR = ERROR;
- // 5.1 WebVTT file parsing.
- try {
- var line;
- if (self.state === "INITIAL") {
- // We can't start parsing until we have the first line.
- if (!/\r\n|\n/.test(self.buffer)) {
- return this;
- }
+ /*
+ * This file contains all track properties that are used in
+ * player.js, tech.js, html5.js and possibly other techs in the future.
+ */
- line = collectNextLine();
+ var NORMAL = {
+ audio: {
+ ListClass: AudioTrackList,
+ TrackClass: AudioTrack,
+ capitalName: 'Audio'
+ },
+ video: {
+ ListClass: VideoTrackList,
+ TrackClass: VideoTrack,
+ capitalName: 'Video'
+ },
+ text: {
+ ListClass: TextTrackList,
+ TrackClass: TextTrack,
+ capitalName: 'Text'
+ }
+ };
+ Object.keys(NORMAL).forEach(function (type) {
+ NORMAL[type].getterName = type + "Tracks";
+ NORMAL[type].privateName = type + "Tracks_";
+ });
+ var REMOTE = {
+ remoteText: {
+ ListClass: TextTrackList,
+ TrackClass: TextTrack,
+ capitalName: 'RemoteText',
+ getterName: 'remoteTextTracks',
+ privateName: 'remoteTextTracks_'
+ },
+ remoteTextEl: {
+ ListClass: HtmlTrackElementList,
+ TrackClass: HTMLTrackElement,
+ capitalName: 'RemoteTextTrackEls',
+ getterName: 'remoteTextTrackEls',
+ privateName: 'remoteTextTrackEls_'
+ }
+ };
- var m = line.match(/^WEBVTT([ \t].*)?$/);
- if (!m || !m[0]) {
- throw new ParsingError(ParsingError.Errors.BadSignature);
- }
+ var ALL = _extends_1({}, NORMAL, REMOTE);
- self.state = "HEADER";
- }
+ REMOTE.names = Object.keys(REMOTE);
+ NORMAL.names = Object.keys(NORMAL);
+ ALL.names = [].concat(REMOTE.names).concat(NORMAL.names);
- var alreadyCollectedLine = false;
- while (self.buffer) {
- // We can't parse a line until we have the full line.
- if (!/\r\n|\n/.test(self.buffer)) {
- return this;
- }
+ /**
+ * Copyright 2013 vtt.js Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
- if (!alreadyCollectedLine) {
- line = collectNextLine();
- } else {
- alreadyCollectedLine = false;
- }
+ /* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
- switch (self.state) {
- case "HEADER":
- // 13-18 - Allow a header (metadata) under the WEBVTT line.
- if (/:/.test(line)) {
- parseHeader(line);
- } else if (!line) {
- // An empty line terminates the header and starts the body (cues).
- self.state = "ID";
- }
- continue;
- case "NOTE":
- // Ignore NOTE blocks.
- if (!line) {
- self.state = "ID";
- }
- continue;
- case "ID":
- // Check for the start of NOTE blocks.
- if (/^NOTE($|[ \t])/.test(line)) {
- self.state = "NOTE";
- break;
- }
- // 19-29 - Allow any number of line terminators, then initialize new cue values.
- if (!line) {
- continue;
- }
- self.cue = new (self.vttjs.VTTCue || self.window.VTTCue)(0, 0, "");
- self.state = "CUE";
- // 30-39 - Check if self line contains an optional identifier or timing data.
- if (line.indexOf("-->") === -1) {
- self.cue.id = line;
- continue;
- }
- // Process line as start of a cue.
- /*falls through*/
- case "CUE":
- // 40 - Collect cue timings and settings.
- try {
- parseCue(line, self.cue, self.regionList);
- } catch (e) {
- self.reportOrThrowError(e);
- // In case of an error ignore rest of the cue.
- self.cue = null;
- self.state = "BADCUE";
- continue;
- }
- self.state = "CUETEXT";
- continue;
- case "CUETEXT":
- var hasSubstring = line.indexOf("-->") !== -1;
- // 34 - If we have an empty line then report the cue.
- // 35 - If we have the special substring '-->' then report the cue,
- // but do not collect the line as we need to process the current
- // one as a new cue.
- if (!line || hasSubstring && (alreadyCollectedLine = true)) {
- // We are done parsing self cue.
- self.oncue && self.oncue(self.cue);
- self.cue = null;
- self.state = "ID";
- continue;
- }
- if (self.cue.text) {
- self.cue.text += "\n";
- }
- self.cue.text += line;
- continue;
- case "BADCUE": // BADCUE
- // 54-62 - Collect and discard the remaining cue.
- if (!line) {
- self.state = "ID";
- }
- continue;
- }
- }
- } catch (e) {
- self.reportOrThrowError(e);
+ /* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
- // If we are currently parsing a cue, report what we have.
- if (self.state === "CUETEXT" && self.cue && self.oncue) {
- self.oncue(self.cue);
+ var _objCreate = Object.create || function () {
+ function F() {}
+
+ return function (o) {
+ if (arguments.length !== 1) {
+ throw new Error('Object.create shim only accepts one parameter.');
}
- self.cue = null;
- // Enter BADWEBVTT state if header was not parsed correctly otherwise
- // another exception occurred so enter BADCUE state.
- self.state = self.state === "INITIAL" ? "BADWEBVTT" : "BADCUE";
- }
- return this;
- },
- flush: function () {
- var self = this;
- try {
- // Finish decoding the stream.
- self.buffer += self.decoder.decode();
- // Synthesize the end of the current cue or region.
- if (self.cue || self.state === "HEADER") {
- self.buffer += "\n\n";
- self.parse();
- }
- // If we've flushed, parsed, and we're still on the INITIAL state then
- // that means we don't have enough of the stream to parse the first
- // line.
- if (self.state === "INITIAL") {
- throw new ParsingError(ParsingError.Errors.BadSignature);
- }
- } catch(e) {
- self.reportOrThrowError(e);
- }
- self.onflush && self.onflush();
- return this;
- }
-};
-var vtt$1 = WebVTT$1;
+ F.prototype = o;
+ return new F();
+ };
+ }(); // Creates a new ParserError object from an errorData object. The errorData
+ // object should have default code and message properties. The default message
+ // property can be overriden by passing in a message parameter.
+ // See ParsingError.Errors below for acceptable errors.
-/**
- * Copyright 2013 vtt.js Contributors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-var autoKeyword = "auto";
-var directionSetting = {
- "": true,
- "lr": true,
- "rl": true
-};
-var alignSetting = {
- "start": true,
- "middle": true,
- "end": true,
- "left": true,
- "right": true
-};
-
-function findDirectionSetting(value) {
- if (typeof value !== "string") {
- return false;
+ function ParsingError(errorData, message) {
+ this.name = "ParsingError";
+ this.code = errorData.code;
+ this.message = message || errorData.message;
}
- var dir = directionSetting[value.toLowerCase()];
- return dir ? value.toLowerCase() : false;
-}
-function findAlignSetting(value) {
- if (typeof value !== "string") {
- return false;
- }
- var align = alignSetting[value.toLowerCase()];
- return align ? value.toLowerCase() : false;
-}
+ ParsingError.prototype = _objCreate(Error.prototype);
+ ParsingError.prototype.constructor = ParsingError; // ParsingError metadata for acceptable ParsingErrors.
-function extend$1(obj) {
- var i = 1;
- for (; i < arguments.length; i++) {
- var cobj = arguments[i];
- for (var p in cobj) {
- obj[p] = cobj[p];
+ ParsingError.Errors = {
+ BadSignature: {
+ code: 0,
+ message: "Malformed WebVTT signature."
+ },
+ BadTimeStamp: {
+ code: 1,
+ message: "Malformed time stamp."
}
- }
-
- return obj;
-}
+ }; // Try to parse input as a time stamp.
-function VTTCue(startTime, endTime, text) {
- var cue = this;
- var isIE8 = (/MSIE\s8\.0/).test(navigator.userAgent);
- var baseObj = {};
-
- if (isIE8) {
- cue = document.createElement('custom');
- } else {
- baseObj.enumerable = true;
- }
+ function parseTimeStamp(input) {
+ function computeSeconds(h, m, s, f) {
+ return (h | 0) * 3600 + (m | 0) * 60 + (s | 0) + (f | 0) / 1000;
+ }
- /**
- * Shim implementation specific properties. These properties are not in
- * the spec.
- */
+ var m = input.match(/^(\d+):(\d{1,2})(:\d{1,2})?\.(\d{3})/);
- // Lets us know when the VTTCue's data has changed in such a way that we need
- // to recompute its display state. This lets us compute its display state
- // lazily.
- cue.hasBeenReset = false;
+ if (!m) {
+ return null;
+ }
- /**
- * VTTCue and TextTrackCue properties
- * http://dev.w3.org/html5/webvtt/#vttcue-interface
- */
+ if (m[3]) {
+ // Timestamp takes the form of [hours]:[minutes]:[seconds].[milliseconds]
+ return computeSeconds(m[1], m[2], m[3].replace(":", ""), m[4]);
+ } else if (m[1] > 59) {
+ // Timestamp takes the form of [hours]:[minutes].[milliseconds]
+ // First position is hours as it's over 59.
+ return computeSeconds(m[1], m[2], 0, m[4]);
+ } else {
+ // Timestamp takes the form of [minutes]:[seconds].[milliseconds]
+ return computeSeconds(0, m[1], m[2], m[4]);
+ }
+ } // A settings object holds key/value pairs and will ignore anything but the first
+ // assignment to a specific key.
- var _id = "";
- var _pauseOnExit = false;
- var _startTime = startTime;
- var _endTime = endTime;
- var _text = text;
- var _region = null;
- var _vertical = "";
- var _snapToLines = true;
- var _line = "auto";
- var _lineAlign = "start";
- var _position = 50;
- var _positionAlign = "middle";
- var _size = 50;
- var _align = "middle";
- Object.defineProperty(cue,
- "id", extend$1({}, baseObj, {
- get: function() {
- return _id;
- },
- set: function(value) {
- _id = "" + value;
- }
- }));
+ function Settings() {
+ this.values = _objCreate(null);
+ }
- Object.defineProperty(cue,
- "pauseOnExit", extend$1({}, baseObj, {
- get: function() {
- return _pauseOnExit;
- },
- set: function(value) {
- _pauseOnExit = !!value;
+ Settings.prototype = {
+ // Only accept the first assignment to any key.
+ set: function set(k, v) {
+ if (!this.get(k) && v !== "") {
+ this.values[k] = v;
}
- }));
-
- Object.defineProperty(cue,
- "startTime", extend$1({}, baseObj, {
- get: function() {
- return _startTime;
- },
- set: function(value) {
- if (typeof value !== "number") {
- throw new TypeError("Start time must be set to a number.");
- }
- _startTime = value;
- this.hasBeenReset = true;
+ },
+ // Return the value for a key, or a default value.
+ // If 'defaultKey' is passed then 'dflt' is assumed to be an object with
+ // a number of possible default values as properties where 'defaultKey' is
+ // the key of the property that will be chosen; otherwise it's assumed to be
+ // a single value.
+ get: function get(k, dflt, defaultKey) {
+ if (defaultKey) {
+ return this.has(k) ? this.values[k] : dflt[defaultKey];
}
- }));
- Object.defineProperty(cue,
- "endTime", extend$1({}, baseObj, {
- get: function() {
- return _endTime;
- },
- set: function(value) {
- if (typeof value !== "number") {
- throw new TypeError("End time must be set to a number.");
+ return this.has(k) ? this.values[k] : dflt;
+ },
+ // Check whether we have a value for a key.
+ has: function has(k) {
+ return k in this.values;
+ },
+ // Accept a setting if its one of the given alternatives.
+ alt: function alt(k, v, a) {
+ for (var n = 0; n < a.length; ++n) {
+ if (v === a[n]) {
+ this.set(k, v);
+ break;
}
- _endTime = value;
- this.hasBeenReset = true;
}
- }));
-
- Object.defineProperty(cue,
- "text", extend$1({}, baseObj, {
- get: function() {
- return _text;
- },
- set: function(value) {
- _text = "" + value;
- this.hasBeenReset = true;
+ },
+ // Accept a setting if its a valid (signed) integer.
+ integer: function integer(k, v) {
+ if (/^-?\d+$/.test(v)) {
+ // integer
+ this.set(k, parseInt(v, 10));
}
- }));
+ },
+ // Accept a setting if its a valid percentage.
+ percent: function percent(k, v) {
+ var m;
- Object.defineProperty(cue,
- "region", extend$1({}, baseObj, {
- get: function() {
- return _region;
- },
- set: function(value) {
- _region = value;
- this.hasBeenReset = true;
- }
- }));
+ if (m = v.match(/^([\d]{1,3})(\.[\d]*)?%$/)) {
+ v = parseFloat(v);
- Object.defineProperty(cue,
- "vertical", extend$1({}, baseObj, {
- get: function() {
- return _vertical;
- },
- set: function(value) {
- var setting = findDirectionSetting(value);
- // Have to check for false because the setting an be an empty string.
- if (setting === false) {
- throw new SyntaxError("An invalid or illegal string was specified.");
+ if (v >= 0 && v <= 100) {
+ this.set(k, v);
+ return true;
}
- _vertical = setting;
- this.hasBeenReset = true;
}
- }));
- Object.defineProperty(cue,
- "snapToLines", extend$1({}, baseObj, {
- get: function() {
- return _snapToLines;
- },
- set: function(value) {
- _snapToLines = !!value;
- this.hasBeenReset = true;
- }
- }));
+ return false;
+ }
+ }; // Helper function to parse input into groups separated by 'groupDelim', and
+ // interprete each group as a key/value pair separated by 'keyValueDelim'.
- Object.defineProperty(cue,
- "line", extend$1({}, baseObj, {
- get: function() {
- return _line;
- },
- set: function(value) {
- if (typeof value !== "number" && value !== autoKeyword) {
- throw new SyntaxError("An invalid number or illegal string was specified.");
- }
- _line = value;
- this.hasBeenReset = true;
- }
- }));
+ function parseOptions(input, callback, keyValueDelim, groupDelim) {
+ var groups = groupDelim ? input.split(groupDelim) : [input];
- Object.defineProperty(cue,
- "lineAlign", extend$1({}, baseObj, {
- get: function() {
- return _lineAlign;
- },
- set: function(value) {
- var setting = findAlignSetting(value);
- if (!setting) {
- throw new SyntaxError("An invalid or illegal string was specified.");
- }
- _lineAlign = setting;
- this.hasBeenReset = true;
+ for (var i in groups) {
+ if (typeof groups[i] !== "string") {
+ continue;
}
- }));
- Object.defineProperty(cue,
- "position", extend$1({}, baseObj, {
- get: function() {
- return _position;
- },
- set: function(value) {
- if (value < 0 || value > 100) {
- throw new Error("Position must be between 0 and 100.");
- }
- _position = value;
- this.hasBeenReset = true;
- }
- }));
+ var kv = groups[i].split(keyValueDelim);
- Object.defineProperty(cue,
- "positionAlign", extend$1({}, baseObj, {
- get: function() {
- return _positionAlign;
- },
- set: function(value) {
- var setting = findAlignSetting(value);
- if (!setting) {
- throw new SyntaxError("An invalid or illegal string was specified.");
- }
- _positionAlign = setting;
- this.hasBeenReset = true;
+ if (kv.length !== 2) {
+ continue;
}
- }));
- Object.defineProperty(cue,
- "size", extend$1({}, baseObj, {
- get: function() {
- return _size;
- },
- set: function(value) {
- if (value < 0 || value > 100) {
- throw new Error("Size must be between 0 and 100.");
- }
- _size = value;
- this.hasBeenReset = true;
- }
- }));
+ var k = kv[0];
+ var v = kv[1];
+ callback(k, v);
+ }
+ }
- Object.defineProperty(cue,
- "align", extend$1({}, baseObj, {
- get: function() {
- return _align;
- },
- set: function(value) {
- var setting = findAlignSetting(value);
- if (!setting) {
- throw new SyntaxError("An invalid or illegal string was specified.");
- }
- _align = setting;
- this.hasBeenReset = true;
- }
- }));
+ function parseCue(input, cue, regionList) {
+ // Remember the original input if we need to throw an error.
+ var oInput = input; // 4.1 WebVTT timestamp
- /**
- * Other <track> spec defined properties
- */
+ function consumeTimeStamp() {
+ var ts = parseTimeStamp(input);
- // http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#text-track-cue-display-state
- cue.displayState = undefined;
+ if (ts === null) {
+ throw new ParsingError(ParsingError.Errors.BadTimeStamp, "Malformed timestamp: " + oInput);
+ } // Remove time stamp from input.
- if (isIE8) {
- return cue;
- }
-}
-/**
- * VTTCue methods
- */
+ input = input.replace(/^[^\sa-zA-Z-]+/, "");
+ return ts;
+ } // 4.4.2 WebVTT cue settings
-VTTCue.prototype.getCueAsHTML = function() {
- // Assume WebVTT.convertCueToDOMTree is on the global.
- return WebVTT.convertCueToDOMTree(window, this.text);
-};
-var vttcue = VTTCue;
+ function consumeCueSettings(input, cue) {
+ var settings = new Settings();
+ parseOptions(input, function (k, v) {
+ switch (k) {
+ case "region":
+ // Find the last region we parsed with the same region id.
+ for (var i = regionList.length - 1; i >= 0; i--) {
+ if (regionList[i].id === v) {
+ settings.set(k, regionList[i].region);
+ break;
+ }
+ }
-/**
- * Copyright 2013 vtt.js Contributors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
+ break;
-var scrollSetting = {
- "": true,
- "up": true
-};
+ case "vertical":
+ settings.alt(k, v, ["rl", "lr"]);
+ break;
-function findScrollSetting(value) {
- if (typeof value !== "string") {
- return false;
- }
- var scroll = scrollSetting[value.toLowerCase()];
- return scroll ? value.toLowerCase() : false;
-}
-
-function isValidPercentValue(value) {
- return typeof value === "number" && (value >= 0 && value <= 100);
-}
-
-// VTTRegion shim http://dev.w3.org/html5/webvtt/#vttregion-interface
-function VTTRegion() {
- var _width = 100;
- var _lines = 3;
- var _regionAnchorX = 0;
- var _regionAnchorY = 100;
- var _viewportAnchorX = 0;
- var _viewportAnchorY = 100;
- var _scroll = "";
-
- Object.defineProperties(this, {
- "width": {
- enumerable: true,
- get: function() {
- return _width;
- },
- set: function(value) {
- if (!isValidPercentValue(value)) {
- throw new Error("Width must be between 0 and 100.");
- }
- _width = value;
- }
- },
- "lines": {
- enumerable: true,
- get: function() {
- return _lines;
- },
- set: function(value) {
- if (typeof value !== "number") {
- throw new TypeError("Lines must be set to a number.");
- }
- _lines = value;
- }
- },
- "regionAnchorY": {
- enumerable: true,
- get: function() {
- return _regionAnchorY;
- },
- set: function(value) {
- if (!isValidPercentValue(value)) {
- throw new Error("RegionAnchorX must be between 0 and 100.");
- }
- _regionAnchorY = value;
- }
- },
- "regionAnchorX": {
- enumerable: true,
- get: function() {
- return _regionAnchorX;
- },
- set: function(value) {
- if(!isValidPercentValue(value)) {
- throw new Error("RegionAnchorY must be between 0 and 100.");
- }
- _regionAnchorX = value;
- }
- },
- "viewportAnchorY": {
- enumerable: true,
- get: function() {
- return _viewportAnchorY;
- },
- set: function(value) {
- if (!isValidPercentValue(value)) {
- throw new Error("ViewportAnchorY must be between 0 and 100.");
+ case "line":
+ var vals = v.split(","),
+ vals0 = vals[0];
+ settings.integer(k, vals0);
+ settings.percent(k, vals0) ? settings.set("snapToLines", false) : null;
+ settings.alt(k, vals0, ["auto"]);
+
+ if (vals.length === 2) {
+ settings.alt("lineAlign", vals[1], ["start", "center", "end"]);
+ }
+
+ break;
+
+ case "position":
+ vals = v.split(",");
+ settings.percent(k, vals[0]);
+
+ if (vals.length === 2) {
+ settings.alt("positionAlign", vals[1], ["start", "center", "end"]);
+ }
+
+ break;
+
+ case "size":
+ settings.percent(k, v);
+ break;
+
+ case "align":
+ settings.alt(k, v, ["start", "center", "end", "left", "right"]);
+ break;
}
- _viewportAnchorY = value;
+ }, /:/, /\s/); // Apply default values for any missing fields.
+
+ cue.region = settings.get("region", null);
+ cue.vertical = settings.get("vertical", "");
+
+ try {
+ cue.line = settings.get("line", "auto");
+ } catch (e) {}
+
+ cue.lineAlign = settings.get("lineAlign", "start");
+ cue.snapToLines = settings.get("snapToLines", true);
+ cue.size = settings.get("size", 100); // Safari still uses the old middle value and won't accept center
+
+ try {
+ cue.align = settings.get("align", "center");
+ } catch (e) {
+ cue.align = settings.get("align", "middle");
}
- },
- "viewportAnchorX": {
- enumerable: true,
- get: function() {
- return _viewportAnchorX;
- },
- set: function(value) {
- if (!isValidPercentValue(value)) {
- throw new Error("ViewportAnchorX must be between 0 and 100.");
- }
- _viewportAnchorX = value;
+
+ try {
+ cue.position = settings.get("position", "auto");
+ } catch (e) {
+ cue.position = settings.get("position", {
+ start: 0,
+ left: 0,
+ center: 50,
+ middle: 50,
+ end: 100,
+ right: 100
+ }, cue.align);
}
- },
- "scroll": {
- enumerable: true,
- get: function() {
- return _scroll;
- },
- set: function(value) {
- var setting = findScrollSetting(value);
- // Have to check for false as an empty string is a legal value.
- if (setting === false) {
- throw new SyntaxError("An invalid or illegal string was specified.");
- }
- _scroll = setting;
+
+ cue.positionAlign = settings.get("positionAlign", {
+ start: "start",
+ left: "start",
+ center: "center",
+ middle: "center",
+ end: "end",
+ right: "end"
+ }, cue.align);
+ }
+
+ function skipWhitespace() {
+ input = input.replace(/^\s+/, "");
+ } // 4.1 WebVTT cue timings.
+
+
+ skipWhitespace();
+ cue.startTime = consumeTimeStamp(); // (1) collect cue start time
+
+ skipWhitespace();
+
+ if (input.substr(0, 3) !== "-->") {
+ // (3) next characters must match "-->"
+ throw new ParsingError(ParsingError.Errors.BadTimeStamp, "Malformed time stamp (time stamps must be separated by '-->'): " + oInput);
+ }
+
+ input = input.substr(3);
+ skipWhitespace();
+ cue.endTime = consumeTimeStamp(); // (5) collect cue end time
+ // 4.1 WebVTT cue settings list.
+
+ skipWhitespace();
+ consumeCueSettings(input, cue);
+ }
+
+ var TEXTAREA_ELEMENT = document.createElement("textarea");
+ var TAG_NAME = {
+ c: "span",
+ i: "i",
+ b: "b",
+ u: "u",
+ ruby: "ruby",
+ rt: "rt",
+ v: "span",
+ lang: "span"
+ }; // 5.1 default text color
+ // 5.2 default text background color is equivalent to text color with bg_ prefix
+
+ var DEFAULT_COLOR_CLASS = {
+ white: 'rgba(255,255,255,1)',
+ lime: 'rgba(0,255,0,1)',
+ cyan: 'rgba(0,255,255,1)',
+ red: 'rgba(255,0,0,1)',
+ yellow: 'rgba(255,255,0,1)',
+ magenta: 'rgba(255,0,255,1)',
+ blue: 'rgba(0,0,255,1)',
+ black: 'rgba(0,0,0,1)'
+ };
+ var TAG_ANNOTATION = {
+ v: "title",
+ lang: "lang"
+ };
+ var NEEDS_PARENT = {
+ rt: "ruby"
+ }; // Parse content into a document fragment.
+
+ function parseContent(window, input) {
+ function nextToken() {
+ // Check for end-of-string.
+ if (!input) {
+ return null;
+ } // Consume 'n' characters from the input.
+
+
+ function consume(result) {
+ input = input.substr(result.length);
+ return result;
}
+
+ var m = input.match(/^([^<]*)(<[^>]*>?)?/); // If there is some text before the next tag, return it, otherwise return
+ // the tag.
+
+ return consume(m[1] ? m[1] : m[2]);
}
- });
-}
-var vttregion = VTTRegion;
+ function unescape(s) {
+ TEXTAREA_ELEMENT.innerHTML = s;
+ s = TEXTAREA_ELEMENT.textContent;
+ TEXTAREA_ELEMENT.textContent = "";
+ return s;
+ }
-var browserIndex = createCommonjsModule(function (module) {
-/**
- * Copyright 2013 vtt.js Contributors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
+ function shouldAdd(current, element) {
+ return !NEEDS_PARENT[element.localName] || NEEDS_PARENT[element.localName] === current.localName;
+ } // Create an element for this tag.
-// Default exports for Node. Export the extended versions of VTTCue and
-// VTTRegion in Node since we likely want the capability to convert back and
-// forth between JSON. If we don't then it's not that big of a deal since we're
-// off browser.
+ function createElement(type, annotation) {
+ var tagName = TAG_NAME[type];
+ if (!tagName) {
+ return null;
+ }
-var vttjs = module.exports = {
- WebVTT: vtt$1,
- VTTCue: vttcue,
- VTTRegion: vttregion
-};
+ var element = window.document.createElement(tagName);
+ var name = TAG_ANNOTATION[type];
-window_1.vttjs = vttjs;
-window_1.WebVTT = vttjs.WebVTT;
+ if (name && annotation) {
+ element[name] = annotation.trim();
+ }
-var cueShim = vttjs.VTTCue;
-var regionShim = vttjs.VTTRegion;
-var nativeVTTCue = window_1.VTTCue;
-var nativeVTTRegion = window_1.VTTRegion;
+ return element;
+ }
-vttjs.shim = function() {
- window_1.VTTCue = cueShim;
- window_1.VTTRegion = regionShim;
-};
+ var rootDiv = window.document.createElement("div"),
+ current = rootDiv,
+ t,
+ tagStack = [];
-vttjs.restore = function() {
- window_1.VTTCue = nativeVTTCue;
- window_1.VTTRegion = nativeVTTRegion;
-};
+ while ((t = nextToken()) !== null) {
+ if (t[0] === '<') {
+ if (t[1] === "/") {
+ // If the closing tag matches, move back up to the parent node.
+ if (tagStack.length && tagStack[tagStack.length - 1] === t.substr(2).replace(">", "")) {
+ tagStack.pop();
+ current = current.parentNode;
+ } // Otherwise just ignore the end tag.
-if (!window_1.VTTCue) {
- vttjs.shim();
-}
-});
-/**
- * @file tech.js
- */
+ continue;
+ }
-/**
- * An Object containing a structure like: `{src: 'url', type: 'mimetype'}` or string
- * that just contains the src url alone.
- * * `var SourceObject = {src: 'http://ex.com/video.mp4', type: 'video/mp4'};`
- * `var SourceString = 'http://example.com/some-video.mp4';`
- *
- * @typedef {Object|string} Tech~SourceObject
- *
- * @property {string} src
- * The url to the source
- *
- * @property {string} type
- * The mime type of the source
- */
+ var ts = parseTimeStamp(t.substr(1, t.length - 2));
+ var node;
-/**
- * A function used by {@link Tech} to create a new {@link TextTrack}.
- *
- * @private
- *
- * @param {Tech} self
- * An instance of the Tech class.
- *
- * @param {string} kind
- * `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)
- *
- * @param {string} [label]
- * Label to identify the text track
- *
- * @param {string} [language]
- * Two letter language abbreviation
- *
- * @param {Object} [options={}]
- * An object with additional text track options
- *
- * @return {TextTrack}
- * The text track that was created.
- */
-function createTrackHelper(self, kind, label, language) {
- var options = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : {};
+ if (ts) {
+ // Timestamps are lead nodes as well.
+ node = window.document.createProcessingInstruction("timestamp", ts);
+ current.appendChild(node);
+ continue;
+ }
- var tracks = self.textTracks();
+ var m = t.match(/^<([^.\s/0-9>]+)(\.[^\s\\>]+)?([^>\\]+)?(\\?)>?$/); // If we can't parse the tag, skip to the next tag.
- options.kind = kind;
+ if (!m) {
+ continue;
+ } // Try to construct an element, and ignore the tag if we couldn't.
- if (label) {
- options.label = label;
- }
- if (language) {
- options.language = language;
- }
- options.tech = self;
- var track = new ALL.text.TrackClass(options);
+ node = createElement(m[1], m[3]);
- tracks.addTrack(track);
+ if (!node) {
+ continue;
+ } // Determine if the tag should be added based on the context of where it
+ // is placed in the cuetext.
- return track;
-}
-/**
- * This is the base class for media playback technology controllers, such as
- * {@link Flash} and {@link HTML5}
- *
- * @extends Component
- */
+ if (!shouldAdd(current, node)) {
+ continue;
+ } // Set the class list (as a list of classes, separated by space).
-var Tech = function (_Component) {
- inherits(Tech, _Component);
- /**
- * Create an instance of this Tech.
- *
- * @param {Object} [options]
- * The key/value store of player options.
- *
- * @param {Component~ReadyCallback} ready
- * Callback function to call when the `HTML5` Tech is ready.
- */
- function Tech() {
- var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
- var ready = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : function () {};
- classCallCheck(this, Tech);
+ if (m[2]) {
+ var classes = m[2].split('.');
+ classes.forEach(function (cl) {
+ var bgColor = /^bg_/.test(cl); // slice out `bg_` if it's a background color
- // we don't want the tech to report user activity automatically.
- // This is done manually in addControlsListeners
- options.reportTouchActivity = false;
+ var colorName = bgColor ? cl.slice(3) : cl;
- // keep track of whether the current source has played at all to
- // implement a very limited played()
- var _this = possibleConstructorReturn(this, _Component.call(this, null, options, ready));
+ if (DEFAULT_COLOR_CLASS.hasOwnProperty(colorName)) {
+ var propName = bgColor ? 'background-color' : 'color';
+ var propValue = DEFAULT_COLOR_CLASS[colorName];
+ node.style[propName] = propValue;
+ }
+ });
+ node.className = classes.join(' ');
+ } // Append the node to the current node, and enter the scope of the new
+ // node.
- _this.hasStarted_ = false;
- _this.on('playing', function () {
- this.hasStarted_ = true;
- });
- _this.on('loadstart', function () {
- this.hasStarted_ = false;
- });
- ALL.names.forEach(function (name) {
- var props = ALL[name];
+ tagStack.push(m[1]);
+ current.appendChild(node);
+ current = node;
+ continue;
+ } // Text nodes are leaf nodes.
- if (options && options[props.getterName]) {
- _this[props.privateName] = options[props.getterName];
- }
- });
- // Manually track progress in cases where the browser/flash player doesn't report it.
- if (!_this.featuresProgressEvents) {
- _this.manualProgressOn();
+ current.appendChild(window.document.createTextNode(unescape(t)));
}
- // Manually track timeupdates in cases where the browser/flash player doesn't report it.
- if (!_this.featuresTimeupdateEvents) {
- _this.manualTimeUpdatesOn();
- }
+ return rootDiv;
+ } // This is a list of all the Unicode characters that have a strong
+ // right-to-left category. What this means is that these characters are
+ // written right-to-left for sure. It was generated by pulling all the strong
+ // right-to-left characters out of the Unicode data table. That table can
+ // found at: http://www.unicode.org/Public/UNIDATA/UnicodeData.txt
- ['Text', 'Audio', 'Video'].forEach(function (track) {
- if (options['native' + track + 'Tracks'] === false) {
- _this['featuresNative' + track + 'Tracks'] = false;
- }
- });
- if (options.nativeCaptions === false || options.nativeTextTracks === false) {
- _this.featuresNativeTextTracks = false;
- } else if (options.nativeCaptions === true || options.nativeTextTracks === true) {
- _this.featuresNativeTextTracks = true;
- }
+ var strongRTLRanges = [[0x5be, 0x5be], [0x5c0, 0x5c0], [0x5c3, 0x5c3], [0x5c6, 0x5c6], [0x5d0, 0x5ea], [0x5f0, 0x5f4], [0x608, 0x608], [0x60b, 0x60b], [0x60d, 0x60d], [0x61b, 0x61b], [0x61e, 0x64a], [0x66d, 0x66f], [0x671, 0x6d5], [0x6e5, 0x6e6], [0x6ee, 0x6ef], [0x6fa, 0x70d], [0x70f, 0x710], [0x712, 0x72f], [0x74d, 0x7a5], [0x7b1, 0x7b1], [0x7c0, 0x7ea], [0x7f4, 0x7f5], [0x7fa, 0x7fa], [0x800, 0x815], [0x81a, 0x81a], [0x824, 0x824], [0x828, 0x828], [0x830, 0x83e], [0x840, 0x858], [0x85e, 0x85e], [0x8a0, 0x8a0], [0x8a2, 0x8ac], [0x200f, 0x200f], [0xfb1d, 0xfb1d], [0xfb1f, 0xfb28], [0xfb2a, 0xfb36], [0xfb38, 0xfb3c], [0xfb3e, 0xfb3e], [0xfb40, 0xfb41], [0xfb43, 0xfb44], [0xfb46, 0xfbc1], [0xfbd3, 0xfd3d], [0xfd50, 0xfd8f], [0xfd92, 0xfdc7], [0xfdf0, 0xfdfc], [0xfe70, 0xfe74], [0xfe76, 0xfefc], [0x10800, 0x10805], [0x10808, 0x10808], [0x1080a, 0x10835], [0x10837, 0x10838], [0x1083c, 0x1083c], [0x1083f, 0x10855], [0x10857, 0x1085f], [0x10900, 0x1091b], [0x10920, 0x10939], [0x1093f, 0x1093f], [0x10980, 0x109b7], [0x109be, 0x109bf], [0x10a00, 0x10a00], [0x10a10, 0x10a13], [0x10a15, 0x10a17], [0x10a19, 0x10a33], [0x10a40, 0x10a47], [0x10a50, 0x10a58], [0x10a60, 0x10a7f], [0x10b00, 0x10b35], [0x10b40, 0x10b55], [0x10b58, 0x10b72], [0x10b78, 0x10b7f], [0x10c00, 0x10c48], [0x1ee00, 0x1ee03], [0x1ee05, 0x1ee1f], [0x1ee21, 0x1ee22], [0x1ee24, 0x1ee24], [0x1ee27, 0x1ee27], [0x1ee29, 0x1ee32], [0x1ee34, 0x1ee37], [0x1ee39, 0x1ee39], [0x1ee3b, 0x1ee3b], [0x1ee42, 0x1ee42], [0x1ee47, 0x1ee47], [0x1ee49, 0x1ee49], [0x1ee4b, 0x1ee4b], [0x1ee4d, 0x1ee4f], [0x1ee51, 0x1ee52], [0x1ee54, 0x1ee54], [0x1ee57, 0x1ee57], [0x1ee59, 0x1ee59], [0x1ee5b, 0x1ee5b], [0x1ee5d, 0x1ee5d], [0x1ee5f, 0x1ee5f], [0x1ee61, 0x1ee62], [0x1ee64, 0x1ee64], [0x1ee67, 0x1ee6a], [0x1ee6c, 0x1ee72], [0x1ee74, 0x1ee77], [0x1ee79, 0x1ee7c], [0x1ee7e, 0x1ee7e], [0x1ee80, 0x1ee89], [0x1ee8b, 0x1ee9b], [0x1eea1, 0x1eea3], [0x1eea5, 0x1eea9], [0x1eeab, 0x1eebb], [0x10fffd, 0x10fffd]];
- if (!_this.featuresNativeTextTracks) {
- _this.emulateTextTracks();
+ function isStrongRTLChar(charCode) {
+ for (var i = 0; i < strongRTLRanges.length; i++) {
+ var currentRange = strongRTLRanges[i];
+
+ if (charCode >= currentRange[0] && charCode <= currentRange[1]) {
+ return true;
+ }
}
- _this.autoRemoteTextTracks_ = new ALL.text.ListClass();
+ return false;
+ }
- _this.initTrackListeners();
+ function determineBidi(cueDiv) {
+ var nodeStack = [],
+ text = "",
+ charCode;
- // Turn on component tap events only if not using native controls
- if (!options.nativeControlsForTouch) {
- _this.emitTapEvents();
+ if (!cueDiv || !cueDiv.childNodes) {
+ return "ltr";
}
- if (_this.constructor) {
- _this.name_ = _this.constructor.name || 'Unknown Tech';
+ function pushNodes(nodeStack, node) {
+ for (var i = node.childNodes.length - 1; i >= 0; i--) {
+ nodeStack.push(node.childNodes[i]);
+ }
}
- return _this;
- }
- /* Fallbacks for unsupported event types
- ================================================================================ */
+ function nextTextNode(nodeStack) {
+ if (!nodeStack || !nodeStack.length) {
+ return null;
+ }
- /**
- * Polyfill the `progress` event for browsers that don't support it natively.
- *
- * @see {@link Tech#trackProgress}
- */
+ var node = nodeStack.pop(),
+ text = node.textContent || node.innerText;
+ if (text) {
+ // TODO: This should match all unicode type B characters (paragraph
+ // separator characters). See issue #115.
+ var m = text.match(/^.*(\n|\r)/);
- Tech.prototype.manualProgressOn = function manualProgressOn() {
- this.on('durationchange', this.onDurationChange);
+ if (m) {
+ nodeStack.length = 0;
+ return m[0];
+ }
- this.manualProgress = true;
+ return text;
+ }
- // Trigger progress watching when a source begins loading
- this.one('ready', this.trackProgress);
- };
+ if (node.tagName === "ruby") {
+ return nextTextNode(nodeStack);
+ }
- /**
- * Turn off the polyfill for `progress` events that was created in
- * {@link Tech#manualProgressOn}
- */
+ if (node.childNodes) {
+ pushNodes(nodeStack, node);
+ return nextTextNode(nodeStack);
+ }
+ }
+ pushNodes(nodeStack, cueDiv);
- Tech.prototype.manualProgressOff = function manualProgressOff() {
- this.manualProgress = false;
- this.stopTrackingProgress();
+ while (text = nextTextNode(nodeStack)) {
+ for (var i = 0; i < text.length; i++) {
+ charCode = text.charCodeAt(i);
- this.off('durationchange', this.onDurationChange);
- };
+ if (isStrongRTLChar(charCode)) {
+ return "rtl";
+ }
+ }
+ }
- /**
- * This is used to trigger a `progress` event when the buffered percent changes. It
- * sets an interval function that will be called every 500 milliseconds to check if the
- * buffer end percent has changed.
- *
- * > This function is called by {@link Tech#manualProgressOn}
- *
- * @param {EventTarget~Event} event
- * The `ready` event that caused this to run.
- *
- * @listens Tech#ready
- * @fires Tech#progress
- */
+ return "ltr";
+ }
+ function computeLinePos(cue) {
+ if (typeof cue.line === "number" && (cue.snapToLines || cue.line >= 0 && cue.line <= 100)) {
+ return cue.line;
+ }
- Tech.prototype.trackProgress = function trackProgress(event) {
- this.stopTrackingProgress();
- this.progressInterval = this.setInterval(bind(this, function () {
- // Don't trigger unless buffered amount is greater than last time
+ if (!cue.track || !cue.track.textTrackList || !cue.track.textTrackList.mediaElement) {
+ return -1;
+ }
- var numBufferedPercent = this.bufferedPercent();
+ var track = cue.track,
+ trackList = track.textTrackList,
+ count = 0;
- if (this.bufferedPercent_ !== numBufferedPercent) {
- /**
- * See {@link Player#progress}
- *
- * @event Tech#progress
- * @type {EventTarget~Event}
- */
- this.trigger('progress');
+ for (var i = 0; i < trackList.length && trackList[i] !== track; i++) {
+ if (trackList[i].mode === "showing") {
+ count++;
}
+ }
- this.bufferedPercent_ = numBufferedPercent;
+ return ++count * -1;
+ }
- if (numBufferedPercent === 1) {
- this.stopTrackingProgress();
- }
- }), 500);
- };
+ function StyleBox() {} // Apply styles to a div. If there is no div passed then it defaults to the
+ // div on 'this'.
- /**
- * Update our internal duration on a `durationchange` event by calling
- * {@link Tech#duration}.
- *
- * @param {EventTarget~Event} event
- * The `durationchange` event that caused this to run.
- *
- * @listens Tech#durationchange
- */
+ StyleBox.prototype.applyStyles = function (styles, div) {
+ div = div || this.div;
- Tech.prototype.onDurationChange = function onDurationChange(event) {
- this.duration_ = this.duration();
+ for (var prop in styles) {
+ if (styles.hasOwnProperty(prop)) {
+ div.style[prop] = styles[prop];
+ }
+ }
};
- /**
- * Get and create a `TimeRange` object for buffering.
- *
- * @return {TimeRange}
- * The time range object that was created.
- */
-
-
- Tech.prototype.buffered = function buffered() {
- return createTimeRanges(0, 0);
- };
+ StyleBox.prototype.formatStyle = function (val, unit) {
+ return val === 0 ? 0 : val + unit;
+ }; // Constructs the computed display state of the cue (a div). Places the div
+ // into the overlay which should be a block level element (usually a div).
- /**
- * Get the percentage of the current video that is currently buffered.
- *
- * @return {number}
- * A number from 0 to 1 that represents the decimal percentage of the
- * video that is buffered.
- *
- */
+ function CueStyleBox(window, cue, styleOptions) {
+ StyleBox.call(this);
+ this.cue = cue; // Parse our cue's text into a DOM tree rooted at 'cueDiv'. This div will
+ // have inline positioning and will function as the cue background box.
- Tech.prototype.bufferedPercent = function bufferedPercent$$1() {
- return bufferedPercent(this.buffered(), this.duration_);
- };
+ this.cueDiv = parseContent(window, cue.text);
+ var styles = {
+ color: "rgba(255, 255, 255, 1)",
+ backgroundColor: "rgba(0, 0, 0, 0.8)",
+ position: "relative",
+ left: 0,
+ right: 0,
+ top: 0,
+ bottom: 0,
+ display: "inline",
+ writingMode: cue.vertical === "" ? "horizontal-tb" : cue.vertical === "lr" ? "vertical-lr" : "vertical-rl",
+ unicodeBidi: "plaintext"
+ };
+ this.applyStyles(styles, this.cueDiv); // Create an absolutely positioned div that will be used to position the cue
+ // div. Note, all WebVTT cue-setting alignments are equivalent to the CSS
+ // mirrors of them except middle instead of center on Safari.
+
+ this.div = window.document.createElement("div");
+ styles = {
+ direction: determineBidi(this.cueDiv),
+ writingMode: cue.vertical === "" ? "horizontal-tb" : cue.vertical === "lr" ? "vertical-lr" : "vertical-rl",
+ unicodeBidi: "plaintext",
+ textAlign: cue.align === "middle" ? "center" : cue.align,
+ font: styleOptions.font,
+ whiteSpace: "pre-line",
+ position: "absolute"
+ };
+ this.applyStyles(styles);
+ this.div.appendChild(this.cueDiv); // Calculate the distance from the reference edge of the viewport to the text
+ // position of the cue box. The reference edge will be resolved later when
+ // the box orientation styles are applied.
- /**
- * Turn off the polyfill for `progress` events that was created in
- * {@link Tech#manualProgressOn}
- * Stop manually tracking progress events by clearing the interval that was set in
- * {@link Tech#trackProgress}.
- */
+ var textPos = 0;
+ switch (cue.positionAlign) {
+ case "start":
+ textPos = cue.position;
+ break;
- Tech.prototype.stopTrackingProgress = function stopTrackingProgress() {
- this.clearInterval(this.progressInterval);
- };
+ case "center":
+ textPos = cue.position - cue.size / 2;
+ break;
- /**
- * Polyfill the `timeupdate` event for browsers that don't support it.
- *
- * @see {@link Tech#trackCurrentTime}
- */
+ case "end":
+ textPos = cue.position - cue.size;
+ break;
+ } // Horizontal box orientation; textPos is the distance from the left edge of the
+ // area to the left edge of the box and cue.size is the distance extending to
+ // the right from there.
+
+
+ if (cue.vertical === "") {
+ this.applyStyles({
+ left: this.formatStyle(textPos, "%"),
+ width: this.formatStyle(cue.size, "%")
+ }); // Vertical box orientation; textPos is the distance from the top edge of the
+ // area to the top edge of the box and cue.size is the height extending
+ // downwards from there.
+ } else {
+ this.applyStyles({
+ top: this.formatStyle(textPos, "%"),
+ height: this.formatStyle(cue.size, "%")
+ });
+ }
+ this.move = function (box) {
+ this.applyStyles({
+ top: this.formatStyle(box.top, "px"),
+ bottom: this.formatStyle(box.bottom, "px"),
+ left: this.formatStyle(box.left, "px"),
+ right: this.formatStyle(box.right, "px"),
+ height: this.formatStyle(box.height, "px"),
+ width: this.formatStyle(box.width, "px")
+ });
+ };
+ }
- Tech.prototype.manualTimeUpdatesOn = function manualTimeUpdatesOn() {
- this.manualTimeUpdates = true;
+ CueStyleBox.prototype = _objCreate(StyleBox.prototype);
+ CueStyleBox.prototype.constructor = CueStyleBox; // Represents the co-ordinates of an Element in a way that we can easily
+ // compute things with such as if it overlaps or intersects with another Element.
+ // Can initialize it with either a StyleBox or another BoxPosition.
+
+ function BoxPosition(obj) {
+ // Either a BoxPosition was passed in and we need to copy it, or a StyleBox
+ // was passed in and we need to copy the results of 'getBoundingClientRect'
+ // as the object returned is readonly. All co-ordinate values are in reference
+ // to the viewport origin (top left).
+ var lh, height, width, top;
+
+ if (obj.div) {
+ height = obj.div.offsetHeight;
+ width = obj.div.offsetWidth;
+ top = obj.div.offsetTop;
+ var rects = (rects = obj.div.childNodes) && (rects = rects[0]) && rects.getClientRects && rects.getClientRects();
+ obj = obj.div.getBoundingClientRect(); // In certain cases the outter div will be slightly larger then the sum of
+ // the inner div's lines. This could be due to bold text, etc, on some platforms.
+ // In this case we should get the average line height and use that. This will
+ // result in the desired behaviour.
+
+ lh = rects ? Math.max(rects[0] && rects[0].height || 0, obj.height / rects.length) : 0;
+ }
+
+ this.left = obj.left;
+ this.right = obj.right;
+ this.top = obj.top || top;
+ this.height = obj.height || height;
+ this.bottom = obj.bottom || top + (obj.height || height);
+ this.width = obj.width || width;
+ this.lineHeight = lh !== undefined ? lh : obj.lineHeight;
+ } // Move the box along a particular axis. Optionally pass in an amount to move
+ // the box. If no amount is passed then the default is the line height of the
+ // box.
+
+
+ BoxPosition.prototype.move = function (axis, toMove) {
+ toMove = toMove !== undefined ? toMove : this.lineHeight;
+
+ switch (axis) {
+ case "+x":
+ this.left += toMove;
+ this.right += toMove;
+ break;
- this.on('play', this.trackCurrentTime);
- this.on('pause', this.stopTrackingCurrentTime);
- };
+ case "-x":
+ this.left -= toMove;
+ this.right -= toMove;
+ break;
- /**
- * Turn off the polyfill for `timeupdate` events that was created in
- * {@link Tech#manualTimeUpdatesOn}
- */
+ case "+y":
+ this.top += toMove;
+ this.bottom += toMove;
+ break;
+ case "-y":
+ this.top -= toMove;
+ this.bottom -= toMove;
+ break;
+ }
+ }; // Check if this box overlaps another box, b2.
- Tech.prototype.manualTimeUpdatesOff = function manualTimeUpdatesOff() {
- this.manualTimeUpdates = false;
- this.stopTrackingCurrentTime();
- this.off('play', this.trackCurrentTime);
- this.off('pause', this.stopTrackingCurrentTime);
- };
- /**
- * Sets up an interval function to track current time and trigger `timeupdate` every
- * 250 milliseconds.
- *
- * @listens Tech#play
- * @triggers Tech#timeupdate
- */
+ BoxPosition.prototype.overlaps = function (b2) {
+ return this.left < b2.right && this.right > b2.left && this.top < b2.bottom && this.bottom > b2.top;
+ }; // Check if this box overlaps any other boxes in boxes.
- Tech.prototype.trackCurrentTime = function trackCurrentTime() {
- if (this.currentTimeInterval) {
- this.stopTrackingCurrentTime();
+ BoxPosition.prototype.overlapsAny = function (boxes) {
+ for (var i = 0; i < boxes.length; i++) {
+ if (this.overlaps(boxes[i])) {
+ return true;
+ }
}
- this.currentTimeInterval = this.setInterval(function () {
- /**
- * Triggered at an interval of 250ms to indicated that time is passing in the video.
- *
- * @event Tech#timeupdate
- * @type {EventTarget~Event}
- */
- this.trigger({ type: 'timeupdate', target: this, manuallyTriggered: true });
-
- // 42 = 24 fps // 250 is what Webkit uses // FF uses 15
- }, 250);
- };
-
- /**
- * Stop the interval function created in {@link Tech#trackCurrentTime} so that the
- * `timeupdate` event is no longer triggered.
- *
- * @listens {Tech#pause}
- */
+ return false;
+ }; // Check if this box is within another box.
- Tech.prototype.stopTrackingCurrentTime = function stopTrackingCurrentTime() {
- this.clearInterval(this.currentTimeInterval);
- // #1002 - if the video ends right before the next timeupdate would happen,
- // the progress bar won't make it all the way to the end
- this.trigger({ type: 'timeupdate', target: this, manuallyTriggered: true });
- };
+ BoxPosition.prototype.within = function (container) {
+ return this.top >= container.top && this.bottom <= container.bottom && this.left >= container.left && this.right <= container.right;
+ }; // Check if this box is entirely within the container or it is overlapping
+ // on the edge opposite of the axis direction passed. For example, if "+x" is
+ // passed and the box is overlapping on the left edge of the container, then
+ // return true.
- /**
- * Turn off all event polyfills, clear the `Tech`s {@link AudioTrackList},
- * {@link VideoTrackList}, and {@link TextTrackList}, and dispose of this Tech.
- *
- * @fires Component#dispose
- */
+ BoxPosition.prototype.overlapsOppositeAxis = function (container, axis) {
+ switch (axis) {
+ case "+x":
+ return this.left < container.left;
- Tech.prototype.dispose = function dispose() {
+ case "-x":
+ return this.right > container.right;
- // clear out all tracks because we can't reuse them between techs
- this.clearTracks(NORMAL.names);
+ case "+y":
+ return this.top < container.top;
- // Turn off any manual progress or timeupdate tracking
- if (this.manualProgress) {
- this.manualProgressOff();
+ case "-y":
+ return this.bottom > container.bottom;
}
+ }; // Find the percentage of the area that this box is overlapping with another
+ // box.
- if (this.manualTimeUpdates) {
- this.manualTimeUpdatesOff();
- }
- _Component.prototype.dispose.call(this);
- };
+ BoxPosition.prototype.intersectPercentage = function (b2) {
+ var x = Math.max(0, Math.min(this.right, b2.right) - Math.max(this.left, b2.left)),
+ y = Math.max(0, Math.min(this.bottom, b2.bottom) - Math.max(this.top, b2.top)),
+ intersectArea = x * y;
+ return intersectArea / (this.height * this.width);
+ }; // Convert the positions from this box to CSS compatible positions using
+ // the reference container's positions. This has to be done because this
+ // box's positions are in reference to the viewport origin, whereas, CSS
+ // values are in referecne to their respective edges.
- /**
- * Clear out a single `TrackList` or an array of `TrackLists` given their names.
- *
- * > Note: Techs without source handlers should call this between sources for `video`
- * & `audio` tracks. You don't want to use them between tracks!
- *
- * @param {string[]|string} types
- * TrackList names to clear, valid names are `video`, `audio`, and
- * `text`.
- */
+ BoxPosition.prototype.toCSSCompatValues = function (reference) {
+ return {
+ top: this.top - reference.top,
+ bottom: reference.bottom - this.bottom,
+ left: this.left - reference.left,
+ right: reference.right - this.right,
+ height: this.height,
+ width: this.width
+ };
+ }; // Get an object that represents the box's position without anything extra.
+ // Can pass a StyleBox, HTMLElement, or another BoxPositon.
+
+
+ BoxPosition.getSimpleBoxPosition = function (obj) {
+ var height = obj.div ? obj.div.offsetHeight : obj.tagName ? obj.offsetHeight : 0;
+ var width = obj.div ? obj.div.offsetWidth : obj.tagName ? obj.offsetWidth : 0;
+ var top = obj.div ? obj.div.offsetTop : obj.tagName ? obj.offsetTop : 0;
+ obj = obj.div ? obj.div.getBoundingClientRect() : obj.tagName ? obj.getBoundingClientRect() : obj;
+ var ret = {
+ left: obj.left,
+ right: obj.right,
+ top: obj.top || top,
+ height: obj.height || height,
+ bottom: obj.bottom || top + (obj.height || height),
+ width: obj.width || width
+ };
+ return ret;
+ }; // Move a StyleBox to its specified, or next best, position. The containerBox
+ // is the box that contains the StyleBox, such as a div. boxPositions are
+ // a list of other boxes that the styleBox can't overlap with.
+
+
+ function moveBoxToLinePosition(window, styleBox, containerBox, boxPositions) {
+ // Find the best position for a cue box, b, on the video. The axis parameter
+ // is a list of axis, the order of which, it will move the box along. For example:
+ // Passing ["+x", "-x"] will move the box first along the x axis in the positive
+ // direction. If it doesn't find a good position for it there it will then move
+ // it along the x axis in the negative direction.
+ function findBestPosition(b, axis) {
+ var bestPosition,
+ specifiedPosition = new BoxPosition(b),
+ percentage = 1; // Highest possible so the first thing we get is better.
+
+ for (var i = 0; i < axis.length; i++) {
+ while (b.overlapsOppositeAxis(containerBox, axis[i]) || b.within(containerBox) && b.overlapsAny(boxPositions)) {
+ b.move(axis[i]);
+ } // We found a spot where we aren't overlapping anything. This is our
+ // best position.
+
+
+ if (b.within(containerBox)) {
+ return b;
+ }
- Tech.prototype.clearTracks = function clearTracks(types) {
- var _this2 = this;
+ var p = b.intersectPercentage(containerBox); // If we're outside the container box less then we were on our last try
+ // then remember this position as the best position.
- types = [].concat(types);
- // clear out all tracks because we can't reuse them between techs
- types.forEach(function (type) {
- var list = _this2[type + 'Tracks']() || [];
- var i = list.length;
+ if (percentage > p) {
+ bestPosition = new BoxPosition(b);
+ percentage = p;
+ } // Reset the box position to the specified position.
- while (i--) {
- var track = list[i];
- if (type === 'text') {
- _this2.removeRemoteTextTrack(track);
- }
- list.removeTrack(track);
+ b = new BoxPosition(specifiedPosition);
}
- });
- };
- /**
- * Remove any TextTracks added via addRemoteTextTrack that are
- * flagged for automatic garbage collection
- */
+ return bestPosition || specifiedPosition;
+ }
+ var boxPosition = new BoxPosition(styleBox),
+ cue = styleBox.cue,
+ linePos = computeLinePos(cue),
+ axis = []; // If we have a line number to align the cue to.
- Tech.prototype.cleanupAutoTextTracks = function cleanupAutoTextTracks() {
- var list = this.autoRemoteTextTracks_ || [];
- var i = list.length;
+ if (cue.snapToLines) {
+ var size;
- while (i--) {
- var track = list[i];
+ switch (cue.vertical) {
+ case "":
+ axis = ["+y", "-y"];
+ size = "height";
+ break;
- this.removeRemoteTextTrack(track);
- }
- };
+ case "rl":
+ axis = ["+x", "-x"];
+ size = "width";
+ break;
- /**
- * Reset the tech, which will removes all sources and reset the internal readyState.
- *
- * @abstract
- */
+ case "lr":
+ axis = ["-x", "+x"];
+ size = "width";
+ break;
+ }
+ var step = boxPosition.lineHeight,
+ position = step * Math.round(linePos),
+ maxPosition = containerBox[size] + step,
+ initialAxis = axis[0]; // If the specified intial position is greater then the max position then
+ // clamp the box to the amount of steps it would take for the box to
+ // reach the max position.
- Tech.prototype.reset = function reset() {};
+ if (Math.abs(position) > maxPosition) {
+ position = position < 0 ? -1 : 1;
+ position *= Math.ceil(maxPosition / step) * step;
+ } // If computed line position returns negative then line numbers are
+ // relative to the bottom of the video instead of the top. Therefore, we
+ // need to increase our initial position by the length or width of the
+ // video, depending on the writing direction, and reverse our axis directions.
- /**
- * Get or set an error on the Tech.
- *
- * @param {MediaError} [err]
- * Error to set on the Tech
- *
- * @return {MediaError|null}
- * The current error object on the tech, or null if there isn't one.
- */
+ if (linePos < 0) {
+ position += cue.vertical === "" ? containerBox.height : containerBox.width;
+ axis = axis.reverse();
+ } // Move the box to the specified position. This may not be its best
+ // position.
- Tech.prototype.error = function error(err) {
- if (err !== undefined) {
- this.error_ = new MediaError(err);
- this.trigger('error');
- }
- return this.error_;
- };
- /**
- * Returns the `TimeRange`s that have been played through for the current source.
- *
- * > NOTE: This implementation is incomplete. It does not track the played `TimeRange`.
- * It only checks wether the source has played at all or not.
- *
- * @return {TimeRange}
- * - A single time range if this video has played
- * - An empty set of ranges if not.
- */
+ boxPosition.move(initialAxis, position);
+ } else {
+ // If we have a percentage line value for the cue.
+ var calculatedPercentage = boxPosition.lineHeight / containerBox.height * 100;
+ switch (cue.lineAlign) {
+ case "center":
+ linePos -= calculatedPercentage / 2;
+ break;
- Tech.prototype.played = function played() {
- if (this.hasStarted_) {
- return createTimeRanges(0, 0);
- }
- return createTimeRanges();
- };
+ case "end":
+ linePos -= calculatedPercentage;
+ break;
+ } // Apply initial line position to the cue box.
- /**
- * Causes a manual time update to occur if {@link Tech#manualTimeUpdatesOn} was
- * previously called.
- *
- * @fires Tech#timeupdate
- */
+ switch (cue.vertical) {
+ case "":
+ styleBox.applyStyles({
+ top: styleBox.formatStyle(linePos, "%")
+ });
+ break;
- Tech.prototype.setCurrentTime = function setCurrentTime() {
- // improve the accuracy of manual timeupdates
- if (this.manualTimeUpdates) {
- /**
- * A manual `timeupdate` event.
- *
- * @event Tech#timeupdate
- * @type {EventTarget~Event}
- */
- this.trigger({ type: 'timeupdate', target: this, manuallyTriggered: true });
- }
- };
+ case "rl":
+ styleBox.applyStyles({
+ left: styleBox.formatStyle(linePos, "%")
+ });
+ break;
- /**
- * Turn on listeners for {@link VideoTrackList}, {@link {AudioTrackList}, and
- * {@link TextTrackList} events.
- *
- * This adds {@link EventTarget~EventListeners} for `addtrack`, and `removetrack`.
- *
- * @fires Tech#audiotrackchange
- * @fires Tech#videotrackchange
- * @fires Tech#texttrackchange
- */
+ case "lr":
+ styleBox.applyStyles({
+ right: styleBox.formatStyle(linePos, "%")
+ });
+ break;
+ }
+ axis = ["+y", "-x", "+x", "-y"]; // Get the box position again after we've applied the specified positioning
+ // to it.
- Tech.prototype.initTrackListeners = function initTrackListeners() {
- var _this3 = this;
+ boxPosition = new BoxPosition(styleBox);
+ }
- /**
- * Triggered when tracks are added or removed on the Tech {@link AudioTrackList}
- *
- * @event Tech#audiotrackchange
- * @type {EventTarget~Event}
- */
+ var bestPosition = findBestPosition(boxPosition, axis);
+ styleBox.move(bestPosition.toCSSCompatValues(containerBox));
+ }
- /**
- * Triggered when tracks are added or removed on the Tech {@link VideoTrackList}
- *
- * @event Tech#videotrackchange
- * @type {EventTarget~Event}
- */
+ function WebVTT$1() {} // Nothing
+ // Helper to allow strings to be decoded instead of the default binary utf8 data.
- /**
- * Triggered when tracks are added or removed on the Tech {@link TextTrackList}
- *
- * @event Tech#texttrackchange
- * @type {EventTarget~Event}
- */
- NORMAL.names.forEach(function (name) {
- var props = NORMAL[name];
- var trackListChanges = function trackListChanges() {
- _this3.trigger(name + 'trackchange');
- };
- var tracks = _this3[props.getterName]();
+ WebVTT$1.StringDecoder = function () {
+ return {
+ decode: function decode(data) {
+ if (!data) {
+ return "";
+ }
- tracks.addEventListener('removetrack', trackListChanges);
- tracks.addEventListener('addtrack', trackListChanges);
+ if (typeof data !== "string") {
+ throw new Error("Error - expected string data.");
+ }
- _this3.on('dispose', function () {
- tracks.removeEventListener('removetrack', trackListChanges);
- tracks.removeEventListener('addtrack', trackListChanges);
- });
- });
+ return decodeURIComponent(encodeURIComponent(data));
+ }
+ };
};
- /**
- * Emulate TextTracks using vtt.js if necessary
- *
- * @fires Tech#vttjsloaded
- * @fires Tech#vttjserror
- */
+ WebVTT$1.convertCueToDOMTree = function (window, cuetext) {
+ if (!window || !cuetext) {
+ return null;
+ }
+
+ return parseContent(window, cuetext);
+ };
+
+ var FONT_SIZE_PERCENT = 0.05;
+ var FONT_STYLE = "sans-serif";
+ var CUE_BACKGROUND_PADDING = "1.5%"; // Runs the processing model over the cues and regions passed to it.
+ // @param overlay A block level element (usually a div) that the computed cues
+ // and regions will be placed into.
+ WebVTT$1.processCues = function (window, cues, overlay) {
+ if (!window || !cues || !overlay) {
+ return null;
+ } // Remove all previous children.
- Tech.prototype.addWebVttScript_ = function addWebVttScript_() {
- var _this4 = this;
- if (window_1.WebVTT) {
- return;
+ while (overlay.firstChild) {
+ overlay.removeChild(overlay.firstChild);
}
- // Initially, Tech.el_ is a child of a dummy-div wait until the Component system
- // signals that the Tech is ready at which point Tech.el_ is part of the DOM
- // before inserting the WebVTT script
- if (document_1.body.contains(this.el())) {
+ var paddedOverlay = window.document.createElement("div");
+ paddedOverlay.style.position = "absolute";
+ paddedOverlay.style.left = "0";
+ paddedOverlay.style.right = "0";
+ paddedOverlay.style.top = "0";
+ paddedOverlay.style.bottom = "0";
+ paddedOverlay.style.margin = CUE_BACKGROUND_PADDING;
+ overlay.appendChild(paddedOverlay); // Determine if we need to compute the display states of the cues. This could
+ // be the case if a cue's state has been changed since the last computation or
+ // if it has not been computed yet.
- // load via require if available and vtt.js script location was not passed in
- // as an option. novtt builds will turn the above require call into an empty object
- // which will cause this if check to always fail.
- if (!this.options_['vtt.js'] && isPlain(browserIndex) && Object.keys(browserIndex).length > 0) {
- this.trigger('vttjsloaded');
- return;
+ function shouldCompute(cues) {
+ for (var i = 0; i < cues.length; i++) {
+ if (cues[i].hasBeenReset || !cues[i].displayState) {
+ return true;
+ }
}
- // load vtt.js via the script location option or the cdn of no location was
- // passed in
- var script = document_1.createElement('script');
+ return false;
+ } // We don't need to recompute the cues' display states. Just reuse them.
- script.src = this.options_['vtt.js'] || 'https://vjs.zencdn.net/vttjs/0.12.4/vtt.min.js';
- script.onload = function () {
- /**
- * Fired when vtt.js is loaded.
- *
- * @event Tech#vttjsloaded
- * @type {EventTarget~Event}
- */
- _this4.trigger('vttjsloaded');
- };
- script.onerror = function () {
- /**
- * Fired when vtt.js was not loaded due to an error
- *
- * @event Tech#vttjsloaded
- * @type {EventTarget~Event}
- */
- _this4.trigger('vttjserror');
- };
- this.on('dispose', function () {
- script.onload = null;
- script.onerror = null;
- });
- // but have not loaded yet and we set it to true before the inject so that
- // we don't overwrite the injected window.WebVTT if it loads right away
- window_1.WebVTT = true;
- this.el().parentNode.appendChild(script);
- } else {
- this.ready(this.addWebVttScript_);
+
+ if (!shouldCompute(cues)) {
+ for (var i = 0; i < cues.length; i++) {
+ paddedOverlay.appendChild(cues[i].displayState);
+ }
+
+ return;
}
- };
- /**
- * Emulate texttracks
- *
- */
+ var boxPositions = [],
+ containerBox = BoxPosition.getSimpleBoxPosition(paddedOverlay),
+ fontSize = Math.round(containerBox.height * FONT_SIZE_PERCENT * 100) / 100;
+ var styleOptions = {
+ font: fontSize + "px " + FONT_STYLE
+ };
+ (function () {
+ var styleBox, cue;
- Tech.prototype.emulateTextTracks = function emulateTextTracks() {
- var _this5 = this;
+ for (var i = 0; i < cues.length; i++) {
+ cue = cues[i]; // Compute the intial position and styles of the cue div.
- var tracks = this.textTracks();
- var remoteTracks = this.remoteTextTracks();
- var handleAddTrack = function handleAddTrack(e) {
- return tracks.addTrack(e.track);
- };
- var handleRemoveTrack = function handleRemoveTrack(e) {
- return tracks.removeTrack(e.track);
- };
+ styleBox = new CueStyleBox(window, cue, styleOptions);
+ paddedOverlay.appendChild(styleBox.div); // Move the cue div to it's correct line position.
- remoteTracks.on('addtrack', handleAddTrack);
- remoteTracks.on('removetrack', handleRemoveTrack);
+ moveBoxToLinePosition(window, styleBox, containerBox, boxPositions); // Remember the computed div so that we don't have to recompute it later
+ // if we don't have too.
- this.addWebVttScript_();
+ cue.displayState = styleBox.div;
+ boxPositions.push(BoxPosition.getSimpleBoxPosition(styleBox));
+ }
+ })();
+ };
- var updateDisplay = function updateDisplay() {
- return _this5.trigger('texttrackchange');
- };
+ WebVTT$1.Parser = function (window, vttjs, decoder) {
+ if (!decoder) {
+ decoder = vttjs;
+ vttjs = {};
+ }
- var textTracksChanges = function textTracksChanges() {
- updateDisplay();
+ if (!vttjs) {
+ vttjs = {};
+ }
- for (var i = 0; i < tracks.length; i++) {
- var track = tracks[i];
+ this.window = window;
+ this.vttjs = vttjs;
+ this.state = "INITIAL";
+ this.buffer = "";
+ this.decoder = decoder || new TextDecoder("utf8");
+ this.regionList = [];
+ };
- track.removeEventListener('cuechange', updateDisplay);
- if (track.mode === 'showing') {
- track.addEventListener('cuechange', updateDisplay);
- }
+ WebVTT$1.Parser.prototype = {
+ // If the error is a ParsingError then report it to the consumer if
+ // possible. If it's not a ParsingError then throw it like normal.
+ reportOrThrowError: function reportOrThrowError(e) {
+ if (e instanceof ParsingError) {
+ this.onparsingerror && this.onparsingerror(e);
+ } else {
+ throw e;
+ }
+ },
+ parse: function parse(data) {
+ var self = this; // If there is no data then we won't decode it, but will just try to parse
+ // whatever is in buffer already. This may occur in circumstances, for
+ // example when flush() is called.
+
+ if (data) {
+ // Try to decode the data that we received.
+ self.buffer += self.decoder.decode(data, {
+ stream: true
+ });
}
- };
- textTracksChanges();
- tracks.addEventListener('change', textTracksChanges);
- tracks.addEventListener('addtrack', textTracksChanges);
- tracks.addEventListener('removetrack', textTracksChanges);
+ function collectNextLine() {
+ var buffer = self.buffer;
+ var pos = 0;
- this.on('dispose', function () {
- remoteTracks.off('addtrack', handleAddTrack);
- remoteTracks.off('removetrack', handleRemoveTrack);
- tracks.removeEventListener('change', textTracksChanges);
- tracks.removeEventListener('addtrack', textTracksChanges);
- tracks.removeEventListener('removetrack', textTracksChanges);
+ while (pos < buffer.length && buffer[pos] !== '\r' && buffer[pos] !== '\n') {
+ ++pos;
+ }
- for (var i = 0; i < tracks.length; i++) {
- var track = tracks[i];
+ var line = buffer.substr(0, pos); // Advance the buffer early in case we fail below.
- track.removeEventListener('cuechange', updateDisplay);
- }
- });
- };
+ if (buffer[pos] === '\r') {
+ ++pos;
+ }
- /**
- * Create and returns a remote {@link TextTrack} object.
- *
- * @param {string} kind
- * `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)
- *
- * @param {string} [label]
- * Label to identify the text track
- *
- * @param {string} [language]
- * Two letter language abbreviation
- *
- * @return {TextTrack}
- * The TextTrack that gets created.
- */
+ if (buffer[pos] === '\n') {
+ ++pos;
+ }
+ self.buffer = buffer.substr(pos);
+ return line;
+ } // 3.4 WebVTT region and WebVTT region settings syntax
- Tech.prototype.addTextTrack = function addTextTrack(kind, label, language) {
- if (!kind) {
- throw new Error('TextTrack kind is required but was not provided');
- }
- return createTrackHelper(this, kind, label, language);
- };
+ function parseRegion(input) {
+ var settings = new Settings();
+ parseOptions(input, function (k, v) {
+ switch (k) {
+ case "id":
+ settings.set(k, v);
+ break;
- /**
- * Create an emulated TextTrack for use by addRemoteTextTrack
- *
- * This is intended to be overridden by classes that inherit from
- * Tech in order to create native or custom TextTracks.
- *
- * @param {Object} options
- * The object should contain the options to initialize the TextTrack with.
- *
- * @param {string} [options.kind]
- * `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata).
- *
- * @param {string} [options.label].
- * Label to identify the text track
- *
- * @param {string} [options.language]
- * Two letter language abbreviation.
- *
- * @return {HTMLTrackElement}
- * The track element that gets created.
- */
+ case "width":
+ settings.percent(k, v);
+ break;
+ case "lines":
+ settings.integer(k, v);
+ break;
- Tech.prototype.createRemoteTextTrack = function createRemoteTextTrack(options) {
- var track = mergeOptions(options, {
- tech: this
- });
+ case "regionanchor":
+ case "viewportanchor":
+ var xy = v.split(',');
- return new REMOTE.remoteTextEl.TrackClass(track);
- };
+ if (xy.length !== 2) {
+ break;
+ } // We have to make sure both x and y parse, so use a temporary
+ // settings object here.
- /**
- * Creates a remote text track object and returns an html track element.
- *
- * > Note: This can be an emulated {@link HTMLTrackElement} or a native one.
- *
- * @param {Object} options
- * See {@link Tech#createRemoteTextTrack} for more detailed properties.
- *
- * @param {boolean} [manualCleanup=true]
- * - When false: the TextTrack will be automatically removed from the video
- * element whenever the source changes
- * - When True: The TextTrack will have to be cleaned up manually
- *
- * @return {HTMLTrackElement}
- * An Html Track Element.
- *
- * @deprecated The default functionality for this function will be equivalent
- * to "manualCleanup=false" in the future. The manualCleanup parameter will
- * also be removed.
- */
+ var anchor = new Settings();
+ anchor.percent("x", xy[0]);
+ anchor.percent("y", xy[1]);
- Tech.prototype.addRemoteTextTrack = function addRemoteTextTrack() {
- var _this6 = this;
+ if (!anchor.has("x") || !anchor.has("y")) {
+ break;
+ }
- var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
- var manualCleanup = arguments[1];
+ settings.set(k + "X", anchor.get("x"));
+ settings.set(k + "Y", anchor.get("y"));
+ break;
- var htmlTrackElement = this.createRemoteTextTrack(options);
+ case "scroll":
+ settings.alt(k, v, ["up"]);
+ break;
+ }
+ }, /=/, /\s/); // Create the region, using default values for any values that were not
+ // specified.
+
+ if (settings.has("id")) {
+ var region = new (self.vttjs.VTTRegion || self.window.VTTRegion)();
+ region.width = settings.get("width", 100);
+ region.lines = settings.get("lines", 3);
+ region.regionAnchorX = settings.get("regionanchorX", 0);
+ region.regionAnchorY = settings.get("regionanchorY", 100);
+ region.viewportAnchorX = settings.get("viewportanchorX", 0);
+ region.viewportAnchorY = settings.get("viewportanchorY", 100);
+ region.scroll = settings.get("scroll", ""); // Register the region.
+
+ self.onregion && self.onregion(region); // Remember the VTTRegion for later in case we parse any VTTCues that
+ // reference it.
+
+ self.regionList.push({
+ id: settings.get("id"),
+ region: region
+ });
+ }
+ } // draft-pantos-http-live-streaming-20
+ // https://tools.ietf.org/html/draft-pantos-http-live-streaming-20#section-3.5
+ // 3.5 WebVTT
- if (manualCleanup !== true && manualCleanup !== false) {
- // deprecation warning
- log$1.warn('Calling addRemoteTextTrack without explicitly setting the "manualCleanup" parameter to `true` is deprecated and default to `false` in future version of video.js');
- manualCleanup = true;
- }
- // store HTMLTrackElement and TextTrack to remote list
- this.remoteTextTrackEls().addTrackElement_(htmlTrackElement);
- this.remoteTextTracks().addTrack(htmlTrackElement.track);
+ function parseTimestampMap(input) {
+ var settings = new Settings();
+ parseOptions(input, function (k, v) {
+ switch (k) {
+ case "MPEGT":
+ settings.integer(k + 'S', v);
+ break;
- if (manualCleanup !== true) {
- // create the TextTrackList if it doesn't exist
- this.ready(function () {
- return _this6.autoRemoteTextTracks_.addTrack(htmlTrackElement.track);
- });
- }
+ case "LOCA":
+ settings.set(k + 'L', parseTimeStamp(v));
+ break;
+ }
+ }, /[^\d]:/, /,/);
+ self.ontimestampmap && self.ontimestampmap({
+ "MPEGTS": settings.get("MPEGTS"),
+ "LOCAL": settings.get("LOCAL")
+ });
+ } // 3.2 WebVTT metadata header syntax
- return htmlTrackElement;
- };
- /**
- * Remove a remote text track from the remote `TextTrackList`.
- *
- * @param {TextTrack} track
- * `TextTrack` to remove from the `TextTrackList`
- */
+ function parseHeader(input) {
+ if (input.match(/X-TIMESTAMP-MAP/)) {
+ // This line contains HLS X-TIMESTAMP-MAP metadata
+ parseOptions(input, function (k, v) {
+ switch (k) {
+ case "X-TIMESTAMP-MAP":
+ parseTimestampMap(v);
+ break;
+ }
+ }, /=/);
+ } else {
+ parseOptions(input, function (k, v) {
+ switch (k) {
+ case "Region":
+ // 3.3 WebVTT region metadata header syntax
+ parseRegion(v);
+ break;
+ }
+ }, /:/);
+ }
+ } // 5.1 WebVTT file parsing.
- Tech.prototype.removeRemoteTextTrack = function removeRemoteTextTrack(track) {
- var trackElement = this.remoteTextTrackEls().getTrackElementByTrack_(track);
+ try {
+ var line;
- // remove HTMLTrackElement and TextTrack from remote list
- this.remoteTextTrackEls().removeTrackElement_(trackElement);
- this.remoteTextTracks().removeTrack(track);
- this.autoRemoteTextTracks_.removeTrack(track);
- };
+ if (self.state === "INITIAL") {
+ // We can't start parsing until we have the first line.
+ if (!/\r\n|\n/.test(self.buffer)) {
+ return this;
+ }
- /**
- * Gets available media playback quality metrics as specified by the W3C's Media
- * Playback Quality API.
- *
- * @see [Spec]{@link https://wicg.github.io/media-playback-quality}
- *
- * @return {Object}
- * An object with supported media playback quality metrics
- *
- * @abstract
- */
+ line = collectNextLine();
+ var m = line.match(/^WEBVTT([ \t].*)?$/);
+ if (!m || !m[0]) {
+ throw new ParsingError(ParsingError.Errors.BadSignature);
+ }
- Tech.prototype.getVideoPlaybackQuality = function getVideoPlaybackQuality() {
- return {};
- };
+ self.state = "HEADER";
+ }
- /**
- * A method to set a poster from a `Tech`.
- *
- * @abstract
- */
+ var alreadyCollectedLine = false;
+ while (self.buffer) {
+ // We can't parse a line until we have the full line.
+ if (!/\r\n|\n/.test(self.buffer)) {
+ return this;
+ }
- Tech.prototype.setPoster = function setPoster() {};
+ if (!alreadyCollectedLine) {
+ line = collectNextLine();
+ } else {
+ alreadyCollectedLine = false;
+ }
- /**
- * A method to check for the presence of the 'playsinine' <video> attribute.
- *
- * @abstract
- */
+ switch (self.state) {
+ case "HEADER":
+ // 13-18 - Allow a header (metadata) under the WEBVTT line.
+ if (/:/.test(line)) {
+ parseHeader(line);
+ } else if (!line) {
+ // An empty line terminates the header and starts the body (cues).
+ self.state = "ID";
+ }
+
+ continue;
+
+ case "NOTE":
+ // Ignore NOTE blocks.
+ if (!line) {
+ self.state = "ID";
+ }
+
+ continue;
+
+ case "ID":
+ // Check for the start of NOTE blocks.
+ if (/^NOTE($|[ \t])/.test(line)) {
+ self.state = "NOTE";
+ break;
+ } // 19-29 - Allow any number of line terminators, then initialize new cue values.
+
+
+ if (!line) {
+ continue;
+ }
+
+ self.cue = new (self.vttjs.VTTCue || self.window.VTTCue)(0, 0, ""); // Safari still uses the old middle value and won't accept center
+
+ try {
+ self.cue.align = "center";
+ } catch (e) {
+ self.cue.align = "middle";
+ }
+
+ self.state = "CUE"; // 30-39 - Check if self line contains an optional identifier or timing data.
+
+ if (line.indexOf("-->") === -1) {
+ self.cue.id = line;
+ continue;
+ }
+
+ // Process line as start of a cue.
+
+ /*falls through*/
+
+ case "CUE":
+ // 40 - Collect cue timings and settings.
+ try {
+ parseCue(line, self.cue, self.regionList);
+ } catch (e) {
+ self.reportOrThrowError(e); // In case of an error ignore rest of the cue.
+
+ self.cue = null;
+ self.state = "BADCUE";
+ continue;
+ }
+
+ self.state = "CUETEXT";
+ continue;
+
+ case "CUETEXT":
+ var hasSubstring = line.indexOf("-->") !== -1; // 34 - If we have an empty line then report the cue.
+ // 35 - If we have the special substring '-->' then report the cue,
+ // but do not collect the line as we need to process the current
+ // one as a new cue.
+
+ if (!line || hasSubstring && (alreadyCollectedLine = true)) {
+ // We are done parsing self cue.
+ self.oncue && self.oncue(self.cue);
+ self.cue = null;
+ self.state = "ID";
+ continue;
+ }
+
+ if (self.cue.text) {
+ self.cue.text += "\n";
+ }
+
+ self.cue.text += line.replace(/\u2028/g, '\n').replace(/u2029/g, '\n');
+ continue;
+
+ case "BADCUE":
+ // BADCUE
+ // 54-62 - Collect and discard the remaining cue.
+ if (!line) {
+ self.state = "ID";
+ }
+
+ continue;
+ }
+ }
+ } catch (e) {
+ self.reportOrThrowError(e); // If we are currently parsing a cue, report what we have.
+ if (self.state === "CUETEXT" && self.cue && self.oncue) {
+ self.oncue(self.cue);
+ }
- Tech.prototype.playsinline = function playsinline() {};
+ self.cue = null; // Enter BADWEBVTT state if header was not parsed correctly otherwise
+ // another exception occurred so enter BADCUE state.
- /**
- * A method to set or unset the 'playsinine' <video> attribute.
- *
- * @abstract
- */
+ self.state = self.state === "INITIAL" ? "BADWEBVTT" : "BADCUE";
+ }
+ return this;
+ },
+ flush: function flush() {
+ var self = this;
- Tech.prototype.setPlaysinline = function setPlaysinline() {};
+ try {
+ // Finish decoding the stream.
+ self.buffer += self.decoder.decode(); // Synthesize the end of the current cue or region.
- /*
- * Check if the tech can support the given mime-type.
- *
- * The base tech does not support any type, but source handlers might
- * overwrite this.
- *
- * @param {string} type
- * The mimetype to check for support
- *
- * @return {string}
- * 'probably', 'maybe', or empty string
- *
- * @see [Spec]{@link https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/canPlayType}
- *
- * @abstract
- */
+ if (self.cue || self.state === "HEADER") {
+ self.buffer += "\n\n";
+ self.parse();
+ } // If we've flushed, parsed, and we're still on the INITIAL state then
+ // that means we don't have enough of the stream to parse the first
+ // line.
- Tech.prototype.canPlayType = function canPlayType() {
- return '';
+ if (self.state === "INITIAL") {
+ throw new ParsingError(ParsingError.Errors.BadSignature);
+ }
+ } catch (e) {
+ self.reportOrThrowError(e);
+ }
+
+ self.onflush && self.onflush();
+ return this;
+ }
};
+ var vtt = WebVTT$1;
/**
- * Check if the type is supported by this tech.
+ * Copyright 2013 vtt.js Contributors
*
- * The base tech does not support any type, but source handlers might
- * overwrite this.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
*
- * @param {string} type
- * The media type to check
- * @return {string} Returns the native video element's response
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
*/
-
-
- Tech.canPlayType = function canPlayType() {
- return '';
+ var autoKeyword = "auto";
+ var directionSetting = {
+ "": 1,
+ "lr": 1,
+ "rl": 1
+ };
+ var alignSetting = {
+ "start": 1,
+ "center": 1,
+ "end": 1,
+ "left": 1,
+ "right": 1,
+ "auto": 1,
+ "line-left": 1,
+ "line-right": 1
};
- /**
- * Check if the tech can support the given source
- * @param {Object} srcObj
- * The source object
- * @param {Object} options
- * The options passed to the tech
- * @return {string} 'probably', 'maybe', or '' (empty string)
- */
+ function findDirectionSetting(value) {
+ if (typeof value !== "string") {
+ return false;
+ }
+ var dir = directionSetting[value.toLowerCase()];
+ return dir ? value.toLowerCase() : false;
+ }
- Tech.canPlaySource = function canPlaySource(srcObj, options) {
- return Tech.canPlayType(srcObj.type);
- };
+ function findAlignSetting(value) {
+ if (typeof value !== "string") {
+ return false;
+ }
- /*
- * Return whether the argument is a Tech or not.
- * Can be passed either a Class like `Html5` or a instance like `player.tech_`
- *
- * @param {Object} component
- * The item to check
- *
- * @return {boolean}
- * Whether it is a tech or not
- * - True if it is a tech
- * - False if it is not
- */
+ var align = alignSetting[value.toLowerCase()];
+ return align ? value.toLowerCase() : false;
+ }
+ function VTTCue(startTime, endTime, text) {
+ /**
+ * Shim implementation specific properties. These properties are not in
+ * the spec.
+ */
+ // Lets us know when the VTTCue's data has changed in such a way that we need
+ // to recompute its display state. This lets us compute its display state
+ // lazily.
+ this.hasBeenReset = false;
+ /**
+ * VTTCue and TextTrackCue properties
+ * http://dev.w3.org/html5/webvtt/#vttcue-interface
+ */
- Tech.isTech = function isTech(component) {
- return component.prototype instanceof Tech || component instanceof Tech || component === Tech;
- };
+ var _id = "";
+ var _pauseOnExit = false;
+ var _startTime = startTime;
+ var _endTime = endTime;
+ var _text = text;
+ var _region = null;
+ var _vertical = "";
+ var _snapToLines = true;
+ var _line = "auto";
+ var _lineAlign = "start";
+ var _position = "auto";
+ var _positionAlign = "auto";
+ var _size = 100;
+ var _align = "center";
+ Object.defineProperties(this, {
+ "id": {
+ enumerable: true,
+ get: function get() {
+ return _id;
+ },
+ set: function set(value) {
+ _id = "" + value;
+ }
+ },
+ "pauseOnExit": {
+ enumerable: true,
+ get: function get() {
+ return _pauseOnExit;
+ },
+ set: function set(value) {
+ _pauseOnExit = !!value;
+ }
+ },
+ "startTime": {
+ enumerable: true,
+ get: function get() {
+ return _startTime;
+ },
+ set: function set(value) {
+ if (typeof value !== "number") {
+ throw new TypeError("Start time must be set to a number.");
+ }
- /**
- * Registers a `Tech` into a shared list for videojs.
- *
- * @param {string} name
- * Name of the `Tech` to register.
- *
- * @param {Object} tech
- * The `Tech` class to register.
- */
+ _startTime = value;
+ this.hasBeenReset = true;
+ }
+ },
+ "endTime": {
+ enumerable: true,
+ get: function get() {
+ return _endTime;
+ },
+ set: function set(value) {
+ if (typeof value !== "number") {
+ throw new TypeError("End time must be set to a number.");
+ }
+ _endTime = value;
+ this.hasBeenReset = true;
+ }
+ },
+ "text": {
+ enumerable: true,
+ get: function get() {
+ return _text;
+ },
+ set: function set(value) {
+ _text = "" + value;
+ this.hasBeenReset = true;
+ }
+ },
+ "region": {
+ enumerable: true,
+ get: function get() {
+ return _region;
+ },
+ set: function set(value) {
+ _region = value;
+ this.hasBeenReset = true;
+ }
+ },
+ "vertical": {
+ enumerable: true,
+ get: function get() {
+ return _vertical;
+ },
+ set: function set(value) {
+ var setting = findDirectionSetting(value); // Have to check for false because the setting an be an empty string.
- Tech.registerTech = function registerTech(name, tech) {
- if (!Tech.techs_) {
- Tech.techs_ = {};
- }
+ if (setting === false) {
+ throw new SyntaxError("Vertical: an invalid or illegal direction string was specified.");
+ }
- if (!Tech.isTech(tech)) {
- throw new Error('Tech ' + name + ' must be a Tech');
- }
+ _vertical = setting;
+ this.hasBeenReset = true;
+ }
+ },
+ "snapToLines": {
+ enumerable: true,
+ get: function get() {
+ return _snapToLines;
+ },
+ set: function set(value) {
+ _snapToLines = !!value;
+ this.hasBeenReset = true;
+ }
+ },
+ "line": {
+ enumerable: true,
+ get: function get() {
+ return _line;
+ },
+ set: function set(value) {
+ if (typeof value !== "number" && value !== autoKeyword) {
+ throw new SyntaxError("Line: an invalid number or illegal string was specified.");
+ }
- if (!Tech.canPlayType) {
- throw new Error('Techs must have a static canPlayType method on them');
- }
- if (!Tech.canPlaySource) {
- throw new Error('Techs must have a static canPlaySource method on them');
- }
+ _line = value;
+ this.hasBeenReset = true;
+ }
+ },
+ "lineAlign": {
+ enumerable: true,
+ get: function get() {
+ return _lineAlign;
+ },
+ set: function set(value) {
+ var setting = findAlignSetting(value);
- name = toTitleCase(name);
+ if (!setting) {
+ console.warn("lineAlign: an invalid or illegal string was specified.");
+ } else {
+ _lineAlign = setting;
+ this.hasBeenReset = true;
+ }
+ }
+ },
+ "position": {
+ enumerable: true,
+ get: function get() {
+ return _position;
+ },
+ set: function set(value) {
+ if (value < 0 || value > 100) {
+ throw new Error("Position must be between 0 and 100.");
+ }
- Tech.techs_[name] = tech;
- if (name !== 'Tech') {
- // camel case the techName for use in techOrder
- Tech.defaultTechOrder_.push(name);
- }
- return tech;
- };
+ _position = value;
+ this.hasBeenReset = true;
+ }
+ },
+ "positionAlign": {
+ enumerable: true,
+ get: function get() {
+ return _positionAlign;
+ },
+ set: function set(value) {
+ var setting = findAlignSetting(value);
- /**
- * Get a `Tech` from the shared list by name.
- *
- * @param {string} name
- * `camelCase` or `TitleCase` name of the Tech to get
- *
- * @return {Tech|undefined}
- * The `Tech` or undefined if there was no tech with the name requsted.
- */
+ if (!setting) {
+ console.warn("positionAlign: an invalid or illegal string was specified.");
+ } else {
+ _positionAlign = setting;
+ this.hasBeenReset = true;
+ }
+ }
+ },
+ "size": {
+ enumerable: true,
+ get: function get() {
+ return _size;
+ },
+ set: function set(value) {
+ if (value < 0 || value > 100) {
+ throw new Error("Size must be between 0 and 100.");
+ }
+
+ _size = value;
+ this.hasBeenReset = true;
+ }
+ },
+ "align": {
+ enumerable: true,
+ get: function get() {
+ return _align;
+ },
+ set: function set(value) {
+ var setting = findAlignSetting(value);
+ if (!setting) {
+ throw new SyntaxError("align: an invalid or illegal alignment string was specified.");
+ }
- Tech.getTech = function getTech(name) {
- if (!name) {
- return;
- }
+ _align = setting;
+ this.hasBeenReset = true;
+ }
+ }
+ });
+ /**
+ * Other <track> spec defined properties
+ */
+ // http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#text-track-cue-display-state
- name = toTitleCase(name);
+ this.displayState = undefined;
+ }
+ /**
+ * VTTCue methods
+ */
- if (Tech.techs_ && Tech.techs_[name]) {
- return Tech.techs_[name];
- }
- if (window_1 && window_1.videojs && window_1.videojs[name]) {
- log$1.warn('The ' + name + ' tech was added to the videojs object when it should be registered using videojs.registerTech(name, tech)');
- return window_1.videojs[name];
- }
+ VTTCue.prototype.getCueAsHTML = function () {
+ // Assume WebVTT.convertCueToDOMTree is on the global.
+ return WebVTT.convertCueToDOMTree(window, this.text);
};
- return Tech;
-}(Component);
+ var vttcue = VTTCue;
-/**
- * Get the {@link VideoTrackList}
- *
- * @returns {VideoTrackList}
- * @method Tech.prototype.videoTracks
- */
+ /**
+ * Copyright 2013 vtt.js Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+ var scrollSetting = {
+ "": true,
+ "up": true
+ };
-/**
- * Get the {@link AudioTrackList}
- *
- * @returns {AudioTrackList}
- * @method Tech.prototype.audioTracks
- */
+ function findScrollSetting(value) {
+ if (typeof value !== "string") {
+ return false;
+ }
-/**
- * Get the {@link TextTrackList}
- *
- * @returns {TextTrackList}
- * @method Tech.prototype.textTracks
- */
+ var scroll = scrollSetting[value.toLowerCase()];
+ return scroll ? value.toLowerCase() : false;
+ }
-/**
- * Get the remote element {@link TextTrackList}
- *
- * @returns {TextTrackList}
- * @method Tech.prototype.remoteTextTracks
- */
+ function isValidPercentValue(value) {
+ return typeof value === "number" && value >= 0 && value <= 100;
+ } // VTTRegion shim http://dev.w3.org/html5/webvtt/#vttregion-interface
-/**
- * Get the remote element {@link HtmlTrackElementList}
- *
- * @returns {HtmlTrackElementList}
- * @method Tech.prototype.remoteTextTrackEls
- */
-ALL.names.forEach(function (name) {
- var props = ALL[name];
+ function VTTRegion() {
+ var _width = 100;
+ var _lines = 3;
+ var _regionAnchorX = 0;
+ var _regionAnchorY = 100;
+ var _viewportAnchorX = 0;
+ var _viewportAnchorY = 100;
+ var _scroll = "";
+ Object.defineProperties(this, {
+ "width": {
+ enumerable: true,
+ get: function get() {
+ return _width;
+ },
+ set: function set(value) {
+ if (!isValidPercentValue(value)) {
+ throw new Error("Width must be between 0 and 100.");
+ }
- Tech.prototype[props.getterName] = function () {
- this[props.privateName] = this[props.privateName] || new props.ListClass();
- return this[props.privateName];
- };
-});
+ _width = value;
+ }
+ },
+ "lines": {
+ enumerable: true,
+ get: function get() {
+ return _lines;
+ },
+ set: function set(value) {
+ if (typeof value !== "number") {
+ throw new TypeError("Lines must be set to a number.");
+ }
-/**
- * List of associated text tracks
- *
- * @type {TextTrackList}
- * @private
- * @property Tech#textTracks_
- */
+ _lines = value;
+ }
+ },
+ "regionAnchorY": {
+ enumerable: true,
+ get: function get() {
+ return _regionAnchorY;
+ },
+ set: function set(value) {
+ if (!isValidPercentValue(value)) {
+ throw new Error("RegionAnchorX must be between 0 and 100.");
+ }
-/**
- * List of associated audio tracks.
- *
- * @type {AudioTrackList}
- * @private
- * @property Tech#audioTracks_
- */
+ _regionAnchorY = value;
+ }
+ },
+ "regionAnchorX": {
+ enumerable: true,
+ get: function get() {
+ return _regionAnchorX;
+ },
+ set: function set(value) {
+ if (!isValidPercentValue(value)) {
+ throw new Error("RegionAnchorY must be between 0 and 100.");
+ }
-/**
- * List of associated video tracks.
- *
- * @type {VideoTrackList}
- * @private
- * @property Tech#videoTracks_
- */
+ _regionAnchorX = value;
+ }
+ },
+ "viewportAnchorY": {
+ enumerable: true,
+ get: function get() {
+ return _viewportAnchorY;
+ },
+ set: function set(value) {
+ if (!isValidPercentValue(value)) {
+ throw new Error("ViewportAnchorY must be between 0 and 100.");
+ }
-/**
- * Boolean indicating wether the `Tech` supports volume control.
- *
- * @type {boolean}
- * @default
- */
-Tech.prototype.featuresVolumeControl = true;
+ _viewportAnchorY = value;
+ }
+ },
+ "viewportAnchorX": {
+ enumerable: true,
+ get: function get() {
+ return _viewportAnchorX;
+ },
+ set: function set(value) {
+ if (!isValidPercentValue(value)) {
+ throw new Error("ViewportAnchorX must be between 0 and 100.");
+ }
-/**
- * Boolean indicating wether the `Tech` support fullscreen resize control.
- * Resizing plugins using request fullscreen reloads the plugin
- *
- * @type {boolean}
- * @default
- */
-Tech.prototype.featuresFullscreenResize = false;
+ _viewportAnchorX = value;
+ }
+ },
+ "scroll": {
+ enumerable: true,
+ get: function get() {
+ return _scroll;
+ },
+ set: function set(value) {
+ var setting = findScrollSetting(value); // Have to check for false as an empty string is a legal value.
-/**
- * Boolean indicating wether the `Tech` supports changing the speed at which the video
- * plays. Examples:
- * - Set player to play 2x (twice) as fast
- * - Set player to play 0.5x (half) as fast
- *
- * @type {boolean}
- * @default
- */
-Tech.prototype.featuresPlaybackRate = false;
+ if (setting === false) {
+ console.warn("Scroll: an invalid or illegal string was specified.");
+ } else {
+ _scroll = setting;
+ }
+ }
+ }
+ });
+ }
-/**
- * Boolean indicating wether the `Tech` supports the `progress` event. This is currently
- * not triggered by video-js-swf. This will be used to determine if
- * {@link Tech#manualProgressOn} should be called.
- *
- * @type {boolean}
- * @default
- */
-Tech.prototype.featuresProgressEvents = false;
+ var vttregion = VTTRegion;
-/**
- * Boolean indicating wether the `Tech` supports the `timeupdate` event. This is currently
- * not triggered by video-js-swf. This will be used to determine if
- * {@link Tech#manualTimeUpdates} should be called.
- *
- * @type {boolean}
- * @default
- */
-Tech.prototype.featuresTimeupdateEvents = false;
+ var browserIndex = createCommonjsModule(function (module) {
+ /**
+ * Copyright 2013 vtt.js Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+ // Default exports for Node. Export the extended versions of VTTCue and
+ // VTTRegion in Node since we likely want the capability to convert back and
+ // forth between JSON. If we don't then it's not that big of a deal since we're
+ // off browser.
+ var vttjs = module.exports = {
+ WebVTT: vtt,
+ VTTCue: vttcue,
+ VTTRegion: vttregion
+ };
+ window$3.vttjs = vttjs;
+ window$3.WebVTT = vttjs.WebVTT;
+ var cueShim = vttjs.VTTCue;
+ var regionShim = vttjs.VTTRegion;
+ var nativeVTTCue = window$3.VTTCue;
+ var nativeVTTRegion = window$3.VTTRegion;
+
+ vttjs.shim = function () {
+ window$3.VTTCue = cueShim;
+ window$3.VTTRegion = regionShim;
+ };
-/**
- * Boolean indicating wether the `Tech` supports the native `TextTrack`s.
- * This will help us integrate with native `TextTrack`s if the browser supports them.
- *
- * @type {boolean}
- * @default
- */
-Tech.prototype.featuresNativeTextTracks = false;
+ vttjs.restore = function () {
+ window$3.VTTCue = nativeVTTCue;
+ window$3.VTTRegion = nativeVTTRegion;
+ };
-/**
- * A functional mixin for techs that want to use the Source Handler pattern.
- * Source handlers are scripts for handling specific formats.
- * The source handler pattern is used for adaptive formats (HLS, DASH) that
- * manually load video data and feed it into a Source Buffer (Media Source Extensions)
- * Example: `Tech.withSourceHandlers.call(MyTech);`
- *
- * @param {Tech} _Tech
- * The tech to add source handler functions to.
- *
- * @mixes Tech~SourceHandlerAdditions
- */
-Tech.withSourceHandlers = function (_Tech) {
+ if (!window$3.VTTCue) {
+ vttjs.shim();
+ }
+ });
+ var browserIndex_1 = browserIndex.WebVTT;
+ var browserIndex_2 = browserIndex.VTTCue;
+ var browserIndex_3 = browserIndex.VTTRegion;
/**
- * Register a source handler
+ * An Object containing a structure like: `{src: 'url', type: 'mimetype'}` or string
+ * that just contains the src url alone.
+ * * `var SourceObject = {src: 'http://ex.com/video.mp4', type: 'video/mp4'};`
+ * `var SourceString = 'http://example.com/some-video.mp4';`
+ *
+ * @typedef {Object|string} Tech~SourceObject
*
- * @param {Function} handler
- * The source handler class
+ * @property {string} src
+ * The url to the source
*
- * @param {number} [index]
- * Register it at the following index
+ * @property {string} type
+ * The mime type of the source
*/
- _Tech.registerSourceHandler = function (handler, index) {
- var handlers = _Tech.sourceHandlers;
-
- if (!handlers) {
- handlers = _Tech.sourceHandlers = [];
- }
-
- if (index === undefined) {
- // add to the end of the list
- index = handlers.length;
- }
-
- handlers.splice(index, 0, handler);
- };
/**
- * Check if the tech can support the given type. Also checks the
- * Techs sourceHandlers.
+ * A function used by {@link Tech} to create a new {@link TextTrack}.
*
- * @param {string} type
- * The mimetype to check.
+ * @private
*
- * @return {string}
- * 'probably', 'maybe', or '' (empty string)
- */
- _Tech.canPlayType = function (type) {
- var handlers = _Tech.sourceHandlers || [];
- var can = void 0;
-
- for (var i = 0; i < handlers.length; i++) {
- can = handlers[i].canPlayType(type);
-
- if (can) {
- return can;
- }
- }
-
- return '';
- };
-
- /**
- * Returns the first source handler that supports the source.
+ * @param {Tech} self
+ * An instance of the Tech class.
*
- * TODO: Answer question: should 'probably' be prioritized over 'maybe'
+ * @param {string} kind
+ * `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)
*
- * @param {Tech~SourceObject} source
- * The source object
+ * @param {string} [label]
+ * Label to identify the text track
*
- * @param {Object} options
- * The options passed to the tech
+ * @param {string} [language]
+ * Two letter language abbreviation
+ *
+ * @param {Object} [options={}]
+ * An object with additional text track options
*
- * @return {SourceHandler|null}
- * The first source handler that supports the source or null if
- * no SourceHandler supports the source
+ * @return {TextTrack}
+ * The text track that was created.
*/
- _Tech.selectSourceHandler = function (source, options) {
- var handlers = _Tech.sourceHandlers || [];
- var can = void 0;
- for (var i = 0; i < handlers.length; i++) {
- can = handlers[i].canHandleSource(source, options);
+ function createTrackHelper(self, kind, label, language, options) {
+ if (options === void 0) {
+ options = {};
+ }
- if (can) {
- return handlers[i];
- }
+ var tracks = self.textTracks();
+ options.kind = kind;
+
+ if (label) {
+ options.label = label;
}
- return null;
- };
+ if (language) {
+ options.language = language;
+ }
+ options.tech = self;
+ var track = new ALL.text.TrackClass(options);
+ tracks.addTrack(track);
+ return track;
+ }
/**
- * Check if the tech can support the given source.
- *
- * @param {Tech~SourceObject} srcObj
- * The source object
- *
- * @param {Object} options
- * The options passed to the tech
+ * This is the base class for media playback technology controllers, such as
+ * {@link Flash} and {@link HTML5}
*
- * @return {string}
- * 'probably', 'maybe', or '' (empty string)
+ * @extends Component
*/
- _Tech.canPlaySource = function (srcObj, options) {
- var sh = _Tech.selectSourceHandler(srcObj, options);
- if (sh) {
- return sh.canHandleSource(srcObj, options);
- }
- return '';
- };
+ var Tech = /*#__PURE__*/function (_Component) {
+ inheritsLoose(Tech, _Component);
- /**
- * When using a source handler, prefer its implementation of
- * any function normally provided by the tech.
- */
- var deferrable = ['seekable', 'duration'];
+ /**
+ * Create an instance of this Tech.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ *
+ * @param {Component~ReadyCallback} ready
+ * Callback function to call when the `HTML5` Tech is ready.
+ */
+ function Tech(options, ready) {
+ var _this;
- /**
- * A wrapper around {@link Tech#seekable} that will call a `SourceHandler`s seekable
- * function if it exists, with a fallback to the Techs seekable function.
- *
- * @method _Tech.seekable
- */
+ if (options === void 0) {
+ options = {};
+ }
- /**
- * A wrapper around {@link Tech#duration} that will call a `SourceHandler`s duration
- * function if it exists, otherwise it will fallback to the techs duration function.
- *
- * @method _Tech.duration
- */
+ if (ready === void 0) {
+ ready = function ready() {};
+ }
- deferrable.forEach(function (fnName) {
- var originalFn = this[fnName];
+ // we don't want the tech to report user activity automatically.
+ // This is done manually in addControlsListeners
+ options.reportTouchActivity = false;
+ _this = _Component.call(this, null, options, ready) || this; // keep track of whether the current source has played at all to
+ // implement a very limited played()
- if (typeof originalFn !== 'function') {
- return;
- }
+ _this.hasStarted_ = false;
- this[fnName] = function () {
- if (this.sourceHandler_ && this.sourceHandler_[fnName]) {
- return this.sourceHandler_[fnName].apply(this.sourceHandler_, arguments);
- }
- return originalFn.apply(this, arguments);
- };
- }, _Tech.prototype);
+ _this.on('playing', function () {
+ this.hasStarted_ = true;
+ });
- /**
- * Create a function for setting the source using a source object
- * and source handlers.
- * Should never be called unless a source handler was found.
- *
- * @param {Tech~SourceObject} source
- * A source object with src and type keys
- */
- _Tech.prototype.setSource = function (source) {
- var sh = _Tech.selectSourceHandler(source, this.options_);
+ _this.on('loadstart', function () {
+ this.hasStarted_ = false;
+ });
- if (!sh) {
- // Fall back to a native source hander when unsupported sources are
- // deliberately set
- if (_Tech.nativeSourceHandler) {
- sh = _Tech.nativeSourceHandler;
- } else {
- log$1.error('No source hander found for the current source.');
- }
- }
+ ALL.names.forEach(function (name) {
+ var props = ALL[name];
- // Dispose any existing source handler
- this.disposeSourceHandler();
- this.off('dispose', this.disposeSourceHandler);
+ if (options && options[props.getterName]) {
+ _this[props.privateName] = options[props.getterName];
+ }
+ }); // Manually track progress in cases where the browser/flash player doesn't report it.
- if (sh !== _Tech.nativeSourceHandler) {
- this.currentSource_ = source;
- }
+ if (!_this.featuresProgressEvents) {
+ _this.manualProgressOn();
+ } // Manually track timeupdates in cases where the browser/flash player doesn't report it.
- this.sourceHandler_ = sh.handleSource(source, this, this.options_);
- this.on('dispose', this.disposeSourceHandler);
- };
- /**
- * Clean up any existing SourceHandlers and listeners when the Tech is disposed.
- *
- * @listens Tech#dispose
- */
- _Tech.prototype.disposeSourceHandler = function () {
- // if we have a source and get another one
- // then we are loading something new
- // than clear all of our current tracks
- if (this.currentSource_) {
- this.clearTracks(['audio', 'video']);
- this.currentSource_ = null;
- }
+ if (!_this.featuresTimeupdateEvents) {
+ _this.manualTimeUpdatesOn();
+ }
- // always clean up auto-text tracks
- this.cleanupAutoTextTracks();
+ ['Text', 'Audio', 'Video'].forEach(function (track) {
+ if (options["native" + track + "Tracks"] === false) {
+ _this["featuresNative" + track + "Tracks"] = false;
+ }
+ });
- if (this.sourceHandler_) {
+ if (options.nativeCaptions === false || options.nativeTextTracks === false) {
+ _this.featuresNativeTextTracks = false;
+ } else if (options.nativeCaptions === true || options.nativeTextTracks === true) {
+ _this.featuresNativeTextTracks = true;
+ }
- if (this.sourceHandler_.dispose) {
- this.sourceHandler_.dispose();
+ if (!_this.featuresNativeTextTracks) {
+ _this.emulateTextTracks();
}
- this.sourceHandler_ = null;
- }
- };
-};
+ _this.preloadTextTracks = options.preloadTextTracks !== false;
+ _this.autoRemoteTextTracks_ = new ALL.text.ListClass();
-// The base Tech class needs to be registered as a Component. It is the only
-// Tech that can be registered as a Component.
-Component.registerComponent('Tech', Tech);
-Tech.registerTech('Tech', Tech);
+ _this.initTrackListeners(); // Turn on component tap events only if not using native controls
-/**
- * A list of techs that should be added to techOrder on Players
- *
- * @private
- */
-Tech.defaultTechOrder_ = [];
-var middlewares = {};
-var middlewareInstances = {};
+ if (!options.nativeControlsForTouch) {
+ _this.emitTapEvents();
+ }
-var TERMINATOR = {};
+ if (_this.constructor) {
+ _this.name_ = _this.constructor.name || 'Unknown Tech';
+ }
-function use(type, middleware) {
- middlewares[type] = middlewares[type] || [];
- middlewares[type].push(middleware);
-}
+ return _this;
+ }
+ /**
+ * A special function to trigger source set in a way that will allow player
+ * to re-trigger if the player or tech are not ready yet.
+ *
+ * @fires Tech#sourceset
+ * @param {string} src The source string at the time of the source changing.
+ */
+ var _proto = Tech.prototype;
-function setSource(player, src, next) {
- player.setTimeout(function () {
- return setSourceHelper(src, middlewares[src.type], next, player);
- }, 1);
-}
+ _proto.triggerSourceset = function triggerSourceset(src) {
+ var _this2 = this;
-function setTech(middleware, tech) {
- middleware.forEach(function (mw) {
- return mw.setTech && mw.setTech(tech);
- });
-}
+ if (!this.isReady_) {
+ // on initial ready we have to trigger source set
+ // 1ms after ready so that player can watch for it.
+ this.one('ready', function () {
+ return _this2.setTimeout(function () {
+ return _this2.triggerSourceset(src);
+ }, 1);
+ });
+ }
+ /**
+ * Fired when the source is set on the tech causing the media element
+ * to reload.
+ *
+ * @see {@link Player#event:sourceset}
+ * @event Tech#sourceset
+ * @type {EventTarget~Event}
+ */
-/**
- * Calls a getter on the tech first, through each middleware
- * from right to left to the player.
- */
-function get$1(middleware, tech, method) {
- return middleware.reduceRight(middlewareIterator(method), tech[method]());
-}
-/**
- * Takes the argument given to the player and calls the setter method on each
- * middlware from left to right to the tech.
- */
-function set$1(middleware, tech, method, arg) {
- return tech[method](middleware.reduce(middlewareIterator(method), arg));
-}
+ this.trigger({
+ src: src,
+ type: 'sourceset'
+ });
+ }
+ /* Fallbacks for unsupported event types
+ ================================================================================ */
-/**
- * Takes the argument given to the player and calls the `call` version of the method
- * on each middleware from left to right.
- * Then, call the passed in method on the tech and return the result unchanged
- * back to the player, through middleware, this time from right to left.
- */
-function mediate(middleware, tech, method) {
- var arg = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null;
+ /**
+ * Polyfill the `progress` event for browsers that don't support it natively.
+ *
+ * @see {@link Tech#trackProgress}
+ */
+ ;
- var callMethod = 'call' + toTitleCase(method);
- var middlewareValue = middleware.reduce(middlewareIterator(callMethod), arg);
- var terminated = middlewareValue === TERMINATOR;
- var returnValue = terminated ? null : tech[method](middlewareValue);
+ _proto.manualProgressOn = function manualProgressOn() {
+ this.on('durationchange', this.onDurationChange);
+ this.manualProgress = true; // Trigger progress watching when a source begins loading
- executeRight(middleware, method, returnValue, terminated);
+ this.one('ready', this.trackProgress);
+ }
+ /**
+ * Turn off the polyfill for `progress` events that was created in
+ * {@link Tech#manualProgressOn}
+ */
+ ;
- return returnValue;
-}
+ _proto.manualProgressOff = function manualProgressOff() {
+ this.manualProgress = false;
+ this.stopTrackingProgress();
+ this.off('durationchange', this.onDurationChange);
+ }
+ /**
+ * This is used to trigger a `progress` event when the buffered percent changes. It
+ * sets an interval function that will be called every 500 milliseconds to check if the
+ * buffer end percent has changed.
+ *
+ * > This function is called by {@link Tech#manualProgressOn}
+ *
+ * @param {EventTarget~Event} event
+ * The `ready` event that caused this to run.
+ *
+ * @listens Tech#ready
+ * @fires Tech#progress
+ */
+ ;
-var allowedGetters = {
- buffered: 1,
- currentTime: 1,
- duration: 1,
- seekable: 1,
- played: 1,
- paused: 1
-};
+ _proto.trackProgress = function trackProgress(event) {
+ this.stopTrackingProgress();
+ this.progressInterval = this.setInterval(bind(this, function () {
+ // Don't trigger unless buffered amount is greater than last time
+ var numBufferedPercent = this.bufferedPercent();
-var allowedSetters = {
- setCurrentTime: 1
-};
+ if (this.bufferedPercent_ !== numBufferedPercent) {
+ /**
+ * See {@link Player#progress}
+ *
+ * @event Tech#progress
+ * @type {EventTarget~Event}
+ */
+ this.trigger('progress');
+ }
-var allowedMediators = {
- play: 1,
- pause: 1
-};
+ this.bufferedPercent_ = numBufferedPercent;
-function middlewareIterator(method) {
- return function (value, mw) {
- // if the previous middleware terminated, pass along the termination
- if (value === TERMINATOR) {
- return TERMINATOR;
+ if (numBufferedPercent === 1) {
+ this.stopTrackingProgress();
+ }
+ }), 500);
}
+ /**
+ * Update our internal duration on a `durationchange` event by calling
+ * {@link Tech#duration}.
+ *
+ * @param {EventTarget~Event} event
+ * The `durationchange` event that caused this to run.
+ *
+ * @listens Tech#durationchange
+ */
+ ;
- if (mw[method]) {
- return mw[method](value);
+ _proto.onDurationChange = function onDurationChange(event) {
+ this.duration_ = this.duration();
}
+ /**
+ * Get and create a `TimeRange` object for buffering.
+ *
+ * @return {TimeRange}
+ * The time range object that was created.
+ */
+ ;
- return value;
- };
-}
+ _proto.buffered = function buffered() {
+ return createTimeRanges(0, 0);
+ }
+ /**
+ * Get the percentage of the current video that is currently buffered.
+ *
+ * @return {number}
+ * A number from 0 to 1 that represents the decimal percentage of the
+ * video that is buffered.
+ *
+ */
+ ;
-function executeRight(mws, method, value, terminated) {
- for (var i = mws.length - 1; i >= 0; i--) {
- var mw = mws[i];
+ _proto.bufferedPercent = function bufferedPercent$1() {
+ return bufferedPercent(this.buffered(), this.duration_);
+ }
+ /**
+ * Turn off the polyfill for `progress` events that was created in
+ * {@link Tech#manualProgressOn}
+ * Stop manually tracking progress events by clearing the interval that was set in
+ * {@link Tech#trackProgress}.
+ */
+ ;
- if (mw[method]) {
- mw[method](terminated, value);
+ _proto.stopTrackingProgress = function stopTrackingProgress() {
+ this.clearInterval(this.progressInterval);
}
- }
-}
+ /**
+ * Polyfill the `timeupdate` event for browsers that don't support it.
+ *
+ * @see {@link Tech#trackCurrentTime}
+ */
+ ;
-function clearCacheForPlayer(player) {
- middlewareInstances[player.id()] = null;
-}
+ _proto.manualTimeUpdatesOn = function manualTimeUpdatesOn() {
+ this.manualTimeUpdates = true;
+ this.on('play', this.trackCurrentTime);
+ this.on('pause', this.stopTrackingCurrentTime);
+ }
+ /**
+ * Turn off the polyfill for `timeupdate` events that was created in
+ * {@link Tech#manualTimeUpdatesOn}
+ */
+ ;
-/**
- * {
- * [playerId]: [[mwFactory, mwInstance], ...]
- * }
- */
-function getOrCreateFactory(player, mwFactory) {
- var mws = middlewareInstances[player.id()];
- var mw = null;
+ _proto.manualTimeUpdatesOff = function manualTimeUpdatesOff() {
+ this.manualTimeUpdates = false;
+ this.stopTrackingCurrentTime();
+ this.off('play', this.trackCurrentTime);
+ this.off('pause', this.stopTrackingCurrentTime);
+ }
+ /**
+ * Sets up an interval function to track current time and trigger `timeupdate` every
+ * 250 milliseconds.
+ *
+ * @listens Tech#play
+ * @triggers Tech#timeupdate
+ */
+ ;
- if (mws === undefined || mws === null) {
- mw = mwFactory(player);
- middlewareInstances[player.id()] = [[mwFactory, mw]];
- return mw;
- }
+ _proto.trackCurrentTime = function trackCurrentTime() {
+ if (this.currentTimeInterval) {
+ this.stopTrackingCurrentTime();
+ }
- for (var i = 0; i < mws.length; i++) {
- var _mws$i = mws[i],
- mwf = _mws$i[0],
- mwi = _mws$i[1];
+ this.currentTimeInterval = this.setInterval(function () {
+ /**
+ * Triggered at an interval of 250ms to indicated that time is passing in the video.
+ *
+ * @event Tech#timeupdate
+ * @type {EventTarget~Event}
+ */
+ this.trigger({
+ type: 'timeupdate',
+ target: this,
+ manuallyTriggered: true
+ }); // 42 = 24 fps // 250 is what Webkit uses // FF uses 15
+ }, 250);
+ }
+ /**
+ * Stop the interval function created in {@link Tech#trackCurrentTime} so that the
+ * `timeupdate` event is no longer triggered.
+ *
+ * @listens {Tech#pause}
+ */
+ ;
+ _proto.stopTrackingCurrentTime = function stopTrackingCurrentTime() {
+ this.clearInterval(this.currentTimeInterval); // #1002 - if the video ends right before the next timeupdate would happen,
+ // the progress bar won't make it all the way to the end
- if (mwf !== mwFactory) {
- continue;
+ this.trigger({
+ type: 'timeupdate',
+ target: this,
+ manuallyTriggered: true
+ });
}
+ /**
+ * Turn off all event polyfills, clear the `Tech`s {@link AudioTrackList},
+ * {@link VideoTrackList}, and {@link TextTrackList}, and dispose of this Tech.
+ *
+ * @fires Component#dispose
+ */
+ ;
- mw = mwi;
- }
+ _proto.dispose = function dispose() {
+ // clear out all tracks because we can't reuse them between techs
+ this.clearTracks(NORMAL.names); // Turn off any manual progress or timeupdate tracking
- if (mw === null) {
- mw = mwFactory(player);
- mws.push([mwFactory, mw]);
- }
+ if (this.manualProgress) {
+ this.manualProgressOff();
+ }
- return mw;
-}
+ if (this.manualTimeUpdates) {
+ this.manualTimeUpdatesOff();
+ }
-function setSourceHelper() {
- var src = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
- var middleware = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];
- var next = arguments[2];
- var player = arguments[3];
- var acc = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : [];
- var lastRun = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : false;
- var mwFactory = middleware[0],
- mwrest = middleware.slice(1);
+ _Component.prototype.dispose.call(this);
+ }
+ /**
+ * Clear out a single `TrackList` or an array of `TrackLists` given their names.
+ *
+ * > Note: Techs without source handlers should call this between sources for `video`
+ * & `audio` tracks. You don't want to use them between tracks!
+ *
+ * @param {string[]|string} types
+ * TrackList names to clear, valid names are `video`, `audio`, and
+ * `text`.
+ */
+ ;
- // if mwFactory is a string, then we're at a fork in the road
+ _proto.clearTracks = function clearTracks(types) {
+ var _this3 = this;
- if (typeof mwFactory === 'string') {
- setSourceHelper(src, middlewares[mwFactory], next, player, acc, lastRun);
+ types = [].concat(types); // clear out all tracks because we can't reuse them between techs
- // if we have an mwFactory, call it with the player to get the mw,
- // then call the mw's setSource method
- } else if (mwFactory) {
- var mw = getOrCreateFactory(player, mwFactory);
+ types.forEach(function (type) {
+ var list = _this3[type + "Tracks"]() || [];
+ var i = list.length;
- mw.setSource(assign({}, src), function (err, _src) {
+ while (i--) {
+ var track = list[i];
- // something happened, try the next middleware on the current level
- // make sure to use the old src
- if (err) {
- return setSourceHelper(src, mwrest, next, player, acc, lastRun);
- }
+ if (type === 'text') {
+ _this3.removeRemoteTextTrack(track);
+ }
- // we've succeeded, now we need to go deeper
- acc.push(mw);
+ list.removeTrack(track);
+ }
+ });
+ }
+ /**
+ * Remove any TextTracks added via addRemoteTextTrack that are
+ * flagged for automatic garbage collection
+ */
+ ;
- // if it's the same type, continue down the current chain
- // otherwise, we want to go down the new chain
- setSourceHelper(_src, src.type === _src.type ? mwrest : middlewares[_src.type], next, player, acc, lastRun);
- });
- } else if (mwrest.length) {
- setSourceHelper(src, mwrest, next, player, acc, lastRun);
- } else if (lastRun) {
- next(src, acc);
- } else {
- setSourceHelper(src, middlewares['*'], next, player, acc, true);
- }
-}
+ _proto.cleanupAutoTextTracks = function cleanupAutoTextTracks() {
+ var list = this.autoRemoteTextTracks_ || [];
+ var i = list.length;
-/**
- * @module filter-source
- */
-/**
- * Filter out single bad source objects or multiple source objects in an
- * array. Also flattens nested source object arrays into a 1 dimensional
- * array of source objects.
- *
- * @param {Tech~SourceObject|Tech~SourceObject[]} src
- * The src object to filter
- *
- * @return {Tech~SourceObject[]}
- * An array of sourceobjects containing only valid sources
- *
- * @private
- */
-var filterSource = function filterSource(src) {
- // traverse array
- if (Array.isArray(src)) {
- var newsrc = [];
+ while (i--) {
+ var track = list[i];
+ this.removeRemoteTextTrack(track);
+ }
+ }
+ /**
+ * Reset the tech, which will removes all sources and reset the internal readyState.
+ *
+ * @abstract
+ */
+ ;
- src.forEach(function (srcobj) {
- srcobj = filterSource(srcobj);
+ _proto.reset = function reset() {}
+ /**
+ * Get or set an error on the Tech.
+ *
+ * @param {MediaError} [err]
+ * Error to set on the Tech
+ *
+ * @return {MediaError|null}
+ * The current error object on the tech, or null if there isn't one.
+ */
+ ;
- if (Array.isArray(srcobj)) {
- newsrc = newsrc.concat(srcobj);
- } else if (isObject(srcobj)) {
- newsrc.push(srcobj);
+ _proto.error = function error(err) {
+ if (err !== undefined) {
+ this.error_ = new MediaError(err);
+ this.trigger('error');
}
- });
- src = newsrc;
- } else if (typeof src === 'string' && src.trim()) {
- // convert string into object
- src = [{ src: src }];
- } else if (isObject(src) && typeof src.src === 'string' && src.src && src.src.trim()) {
- // src is already valid
- src = [src];
- } else {
- // invalid source, turn it into an empty array
- src = [];
- }
+ return this.error_;
+ }
+ /**
+ * Returns the `TimeRange`s that have been played through for the current source.
+ *
+ * > NOTE: This implementation is incomplete. It does not track the played `TimeRange`.
+ * It only checks whether the source has played at all or not.
+ *
+ * @return {TimeRange}
+ * - A single time range if this video has played
+ * - An empty set of ranges if not.
+ */
+ ;
- return src;
-};
+ _proto.played = function played() {
+ if (this.hasStarted_) {
+ return createTimeRanges(0, 0);
+ }
-/**
- * @file loader.js
- */
-/**
- * The `MediaLoader` is the `Component` that decides which playback technology to load
- * when a player is initialized.
- *
- * @extends Component
- */
+ return createTimeRanges();
+ }
+ /**
+ * Causes a manual time update to occur if {@link Tech#manualTimeUpdatesOn} was
+ * previously called.
+ *
+ * @fires Tech#timeupdate
+ */
+ ;
+
+ _proto.setCurrentTime = function setCurrentTime() {
+ // improve the accuracy of manual timeupdates
+ if (this.manualTimeUpdates) {
+ /**
+ * A manual `timeupdate` event.
+ *
+ * @event Tech#timeupdate
+ * @type {EventTarget~Event}
+ */
+ this.trigger({
+ type: 'timeupdate',
+ target: this,
+ manuallyTriggered: true
+ });
+ }
+ }
+ /**
+ * Turn on listeners for {@link VideoTrackList}, {@link {AudioTrackList}, and
+ * {@link TextTrackList} events.
+ *
+ * This adds {@link EventTarget~EventListeners} for `addtrack`, and `removetrack`.
+ *
+ * @fires Tech#audiotrackchange
+ * @fires Tech#videotrackchange
+ * @fires Tech#texttrackchange
+ */
+ ;
-var MediaLoader = function (_Component) {
- inherits(MediaLoader, _Component);
+ _proto.initTrackListeners = function initTrackListeners() {
+ var _this4 = this;
- /**
- * Create an instance of this class.
- *
- * @param {Player} player
- * The `Player` that this class should attach to.
- *
- * @param {Object} [options]
- * The key/value stroe of player options.
- *
- * @param {Component~ReadyCallback} [ready]
- * The function that is run when this component is ready.
- */
- function MediaLoader(player, options, ready) {
- classCallCheck(this, MediaLoader);
+ /**
+ * Triggered when tracks are added or removed on the Tech {@link AudioTrackList}
+ *
+ * @event Tech#audiotrackchange
+ * @type {EventTarget~Event}
+ */
- // MediaLoader has no element
- var options_ = mergeOptions({ createEl: false }, options);
+ /**
+ * Triggered when tracks are added or removed on the Tech {@link VideoTrackList}
+ *
+ * @event Tech#videotrackchange
+ * @type {EventTarget~Event}
+ */
- // If there are no sources when the player is initialized,
- // load the first supported playback technology.
+ /**
+ * Triggered when tracks are added or removed on the Tech {@link TextTrackList}
+ *
+ * @event Tech#texttrackchange
+ * @type {EventTarget~Event}
+ */
+ NORMAL.names.forEach(function (name) {
+ var props = NORMAL[name];
- var _this = possibleConstructorReturn(this, _Component.call(this, player, options_, ready));
+ var trackListChanges = function trackListChanges() {
+ _this4.trigger(name + "trackchange");
+ };
- if (!options.playerOptions.sources || options.playerOptions.sources.length === 0) {
- for (var i = 0, j = options.playerOptions.techOrder; i < j.length; i++) {
- var techName = toTitleCase(j[i]);
- var tech = Tech.getTech(techName);
+ var tracks = _this4[props.getterName]();
- // Support old behavior of techs being registered as components.
- // Remove once that deprecated behavior is removed.
- if (!techName) {
- tech = Component.getComponent(techName);
- }
+ tracks.addEventListener('removetrack', trackListChanges);
+ tracks.addEventListener('addtrack', trackListChanges);
- // Check if the browser supports this technology
- if (tech && tech.isSupported()) {
- player.loadTech_(techName);
- break;
- }
- }
- } else {
- // Loop through playback technologies (HTML5, Flash) and check for support.
- // Then load the best source.
- // A few assumptions here:
- // All playback technologies respect preload false.
- player.src(options.playerOptions.sources);
+ _this4.on('dispose', function () {
+ tracks.removeEventListener('removetrack', trackListChanges);
+ tracks.removeEventListener('addtrack', trackListChanges);
+ });
+ });
}
- return _this;
- }
-
- return MediaLoader;
-}(Component);
+ /**
+ * Emulate TextTracks using vtt.js if necessary
+ *
+ * @fires Tech#vttjsloaded
+ * @fires Tech#vttjserror
+ */
+ ;
-Component.registerComponent('MediaLoader', MediaLoader);
+ _proto.addWebVttScript_ = function addWebVttScript_() {
+ var _this5 = this;
-/**
- * @file button.js
- */
-/**
- * Clickable Component which is clickable or keyboard actionable,
- * but is not a native HTML button.
- *
- * @extends Component
- */
+ if (window$3.WebVTT) {
+ return;
+ } // Initially, Tech.el_ is a child of a dummy-div wait until the Component system
+ // signals that the Tech is ready at which point Tech.el_ is part of the DOM
+ // before inserting the WebVTT script
-var ClickableComponent = function (_Component) {
- inherits(ClickableComponent, _Component);
- /**
- * Creates an instance of this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
- *
- * @param {Object} [options]
- * The key/value store of player options.
- */
- function ClickableComponent(player, options) {
- classCallCheck(this, ClickableComponent);
+ if (document.body.contains(this.el())) {
+ // load via require if available and vtt.js script location was not passed in
+ // as an option. novtt builds will turn the above require call into an empty object
+ // which will cause this if check to always fail.
+ if (!this.options_['vtt.js'] && isPlain(browserIndex) && Object.keys(browserIndex).length > 0) {
+ this.trigger('vttjsloaded');
+ return;
+ } // load vtt.js via the script location option or the cdn of no location was
+ // passed in
- var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
- _this.emitTapEvents();
+ var script = document.createElement('script');
+ script.src = this.options_['vtt.js'] || 'https://vjs.zencdn.net/vttjs/0.14.1/vtt.min.js';
- _this.enable();
- return _this;
- }
+ script.onload = function () {
+ /**
+ * Fired when vtt.js is loaded.
+ *
+ * @event Tech#vttjsloaded
+ * @type {EventTarget~Event}
+ */
+ _this5.trigger('vttjsloaded');
+ };
- /**
- * Create the `Component`s DOM element.
- *
- * @param {string} [tag=div]
- * The element's node type.
- *
- * @param {Object} [props={}]
- * An object of properties that should be set on the element.
- *
- * @param {Object} [attributes={}]
- * An object of attributes that should be set on the element.
- *
- * @return {Element}
- * The element that gets created.
- */
+ script.onerror = function () {
+ /**
+ * Fired when vtt.js was not loaded due to an error
+ *
+ * @event Tech#vttjsloaded
+ * @type {EventTarget~Event}
+ */
+ _this5.trigger('vttjserror');
+ };
+
+ this.on('dispose', function () {
+ script.onload = null;
+ script.onerror = null;
+ }); // but have not loaded yet and we set it to true before the inject so that
+ // we don't overwrite the injected window.WebVTT if it loads right away
+
+ window$3.WebVTT = true;
+ this.el().parentNode.appendChild(script);
+ } else {
+ this.ready(this.addWebVttScript_);
+ }
+ }
+ /**
+ * Emulate texttracks
+ *
+ */
+ ;
+
+ _proto.emulateTextTracks = function emulateTextTracks() {
+ var _this6 = this;
+
+ var tracks = this.textTracks();
+ var remoteTracks = this.remoteTextTracks();
+
+ var handleAddTrack = function handleAddTrack(e) {
+ return tracks.addTrack(e.track);
+ };
+
+ var handleRemoveTrack = function handleRemoveTrack(e) {
+ return tracks.removeTrack(e.track);
+ };
+
+ remoteTracks.on('addtrack', handleAddTrack);
+ remoteTracks.on('removetrack', handleRemoveTrack);
+ this.addWebVttScript_();
+
+ var updateDisplay = function updateDisplay() {
+ return _this6.trigger('texttrackchange');
+ };
+ var textTracksChanges = function textTracksChanges() {
+ updateDisplay();
- ClickableComponent.prototype.createEl = function createEl$$1() {
- var tag = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'div';
- var props = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
- var attributes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+ for (var i = 0; i < tracks.length; i++) {
+ var track = tracks[i];
+ track.removeEventListener('cuechange', updateDisplay);
- props = assign({
- innerHTML: '<span aria-hidden="true" class="vjs-icon-placeholder"></span>',
- className: this.buildCSSClass(),
- tabIndex: 0
- }, props);
+ if (track.mode === 'showing') {
+ track.addEventListener('cuechange', updateDisplay);
+ }
+ }
+ };
- if (tag === 'button') {
- log$1.error('Creating a ClickableComponent with an HTML element of ' + tag + ' is not supported; use a Button instead.');
+ textTracksChanges();
+ tracks.addEventListener('change', textTracksChanges);
+ tracks.addEventListener('addtrack', textTracksChanges);
+ tracks.addEventListener('removetrack', textTracksChanges);
+ this.on('dispose', function () {
+ remoteTracks.off('addtrack', handleAddTrack);
+ remoteTracks.off('removetrack', handleRemoveTrack);
+ tracks.removeEventListener('change', textTracksChanges);
+ tracks.removeEventListener('addtrack', textTracksChanges);
+ tracks.removeEventListener('removetrack', textTracksChanges);
+
+ for (var i = 0; i < tracks.length; i++) {
+ var track = tracks[i];
+ track.removeEventListener('cuechange', updateDisplay);
+ }
+ });
}
+ /**
+ * Create and returns a remote {@link TextTrack} object.
+ *
+ * @param {string} kind
+ * `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)
+ *
+ * @param {string} [label]
+ * Label to identify the text track
+ *
+ * @param {string} [language]
+ * Two letter language abbreviation
+ *
+ * @return {TextTrack}
+ * The TextTrack that gets created.
+ */
+ ;
- // Add ARIA attributes for clickable element which is not a native HTML button
- attributes = assign({
- 'role': 'button',
+ _proto.addTextTrack = function addTextTrack(kind, label, language) {
+ if (!kind) {
+ throw new Error('TextTrack kind is required but was not provided');
+ }
- // let the screen reader user know that the text of the element may change
- 'aria-live': 'polite'
- }, attributes);
+ return createTrackHelper(this, kind, label, language);
+ }
+ /**
+ * Create an emulated TextTrack for use by addRemoteTextTrack
+ *
+ * This is intended to be overridden by classes that inherit from
+ * Tech in order to create native or custom TextTracks.
+ *
+ * @param {Object} options
+ * The object should contain the options to initialize the TextTrack with.
+ *
+ * @param {string} [options.kind]
+ * `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata).
+ *
+ * @param {string} [options.label].
+ * Label to identify the text track
+ *
+ * @param {string} [options.language]
+ * Two letter language abbreviation.
+ *
+ * @return {HTMLTrackElement}
+ * The track element that gets created.
+ */
+ ;
- this.tabIndex_ = props.tabIndex;
+ _proto.createRemoteTextTrack = function createRemoteTextTrack(options) {
+ var track = mergeOptions(options, {
+ tech: this
+ });
+ return new REMOTE.remoteTextEl.TrackClass(track);
+ }
+ /**
+ * Creates a remote text track object and returns an html track element.
+ *
+ * > Note: This can be an emulated {@link HTMLTrackElement} or a native one.
+ *
+ * @param {Object} options
+ * See {@link Tech#createRemoteTextTrack} for more detailed properties.
+ *
+ * @param {boolean} [manualCleanup=true]
+ * - When false: the TextTrack will be automatically removed from the video
+ * element whenever the source changes
+ * - When True: The TextTrack will have to be cleaned up manually
+ *
+ * @return {HTMLTrackElement}
+ * An Html Track Element.
+ *
+ * @deprecated The default functionality for this function will be equivalent
+ * to "manualCleanup=false" in the future. The manualCleanup parameter will
+ * also be removed.
+ */
+ ;
- var el = _Component.prototype.createEl.call(this, tag, props, attributes);
+ _proto.addRemoteTextTrack = function addRemoteTextTrack(options, manualCleanup) {
+ var _this7 = this;
- this.createControlTextEl(el);
+ if (options === void 0) {
+ options = {};
+ }
- return el;
- };
+ var htmlTrackElement = this.createRemoteTextTrack(options);
- ClickableComponent.prototype.dispose = function dispose() {
- // remove controlTextEl_ on dipose
- this.controlTextEl_ = null;
+ if (manualCleanup !== true && manualCleanup !== false) {
+ // deprecation warning
+ log.warn('Calling addRemoteTextTrack without explicitly setting the "manualCleanup" parameter to `true` is deprecated and default to `false` in future version of video.js');
+ manualCleanup = true;
+ } // store HTMLTrackElement and TextTrack to remote list
- _Component.prototype.dispose.call(this);
- };
- /**
- * Create a control text element on this `Component`
- *
- * @param {Element} [el]
- * Parent element for the control text.
- *
- * @return {Element}
- * The control text element that gets created.
- */
+ this.remoteTextTrackEls().addTrackElement_(htmlTrackElement);
+ this.remoteTextTracks().addTrack(htmlTrackElement.track);
+ if (manualCleanup !== true) {
+ // create the TextTrackList if it doesn't exist
+ this.ready(function () {
+ return _this7.autoRemoteTextTracks_.addTrack(htmlTrackElement.track);
+ });
+ }
- ClickableComponent.prototype.createControlTextEl = function createControlTextEl(el) {
- this.controlTextEl_ = createEl('span', {
- className: 'vjs-control-text'
- });
+ return htmlTrackElement;
+ }
+ /**
+ * Remove a remote text track from the remote `TextTrackList`.
+ *
+ * @param {TextTrack} track
+ * `TextTrack` to remove from the `TextTrackList`
+ */
+ ;
- if (el) {
- el.appendChild(this.controlTextEl_);
+ _proto.removeRemoteTextTrack = function removeRemoteTextTrack(track) {
+ var trackElement = this.remoteTextTrackEls().getTrackElementByTrack_(track); // remove HTMLTrackElement and TextTrack from remote list
+
+ this.remoteTextTrackEls().removeTrackElement_(trackElement);
+ this.remoteTextTracks().removeTrack(track);
+ this.autoRemoteTextTracks_.removeTrack(track);
}
+ /**
+ * Gets available media playback quality metrics as specified by the W3C's Media
+ * Playback Quality API.
+ *
+ * @see [Spec]{@link https://wicg.github.io/media-playback-quality}
+ *
+ * @return {Object}
+ * An object with supported media playback quality metrics
+ *
+ * @abstract
+ */
+ ;
- this.controlText(this.controlText_, el);
+ _proto.getVideoPlaybackQuality = function getVideoPlaybackQuality() {
+ return {};
+ }
+ /**
+ * Attempt to create a floating video window always on top of other windows
+ * so that users may continue consuming media while they interact with other
+ * content sites, or applications on their device.
+ *
+ * @see [Spec]{@link https://wicg.github.io/picture-in-picture}
+ *
+ * @return {Promise|undefined}
+ * A promise with a Picture-in-Picture window if the browser supports
+ * Promises (or one was passed in as an option). It returns undefined
+ * otherwise.
+ *
+ * @abstract
+ */
+ ;
- return this.controlTextEl_;
- };
+ _proto.requestPictureInPicture = function requestPictureInPicture() {
+ var PromiseClass = this.options_.Promise || window$3.Promise;
- /**
- * Get or set the localize text to use for the controls on the `Component`.
- *
- * @param {string} [text]
- * Control text for element.
- *
- * @param {Element} [el=this.el()]
- * Element to set the title on.
- *
- * @return {string}
- * - The control text when getting
- */
+ if (PromiseClass) {
+ return PromiseClass.reject();
+ }
+ }
+ /**
+ * A method to set a poster from a `Tech`.
+ *
+ * @abstract
+ */
+ ;
+
+ _proto.setPoster = function setPoster() {}
+ /**
+ * A method to check for the presence of the 'playsinline' <video> attribute.
+ *
+ * @abstract
+ */
+ ;
+
+ _proto.playsinline = function playsinline() {}
+ /**
+ * A method to set or unset the 'playsinline' <video> attribute.
+ *
+ * @abstract
+ */
+ ;
+
+ _proto.setPlaysinline = function setPlaysinline() {}
+ /**
+ * Attempt to force override of native audio tracks.
+ *
+ * @param {boolean} override - If set to true native audio will be overridden,
+ * otherwise native audio will potentially be used.
+ *
+ * @abstract
+ */
+ ;
+
+ _proto.overrideNativeAudioTracks = function overrideNativeAudioTracks() {}
+ /**
+ * Attempt to force override of native video tracks.
+ *
+ * @param {boolean} override - If set to true native video will be overridden,
+ * otherwise native video will potentially be used.
+ *
+ * @abstract
+ */
+ ;
+ _proto.overrideNativeVideoTracks = function overrideNativeVideoTracks() {}
+ /*
+ * Check if the tech can support the given mime-type.
+ *
+ * The base tech does not support any type, but source handlers might
+ * overwrite this.
+ *
+ * @param {string} type
+ * The mimetype to check for support
+ *
+ * @return {string}
+ * 'probably', 'maybe', or empty string
+ *
+ * @see [Spec]{@link https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/canPlayType}
+ *
+ * @abstract
+ */
+ ;
- ClickableComponent.prototype.controlText = function controlText(text) {
- var el = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.el();
+ _proto.canPlayType = function canPlayType() {
+ return '';
+ }
+ /**
+ * Check if the type is supported by this tech.
+ *
+ * The base tech does not support any type, but source handlers might
+ * overwrite this.
+ *
+ * @param {string} type
+ * The media type to check
+ * @return {string} Returns the native video element's response
+ */
+ ;
- if (text === undefined) {
- return this.controlText_ || 'Need Text';
+ Tech.canPlayType = function canPlayType() {
+ return '';
}
+ /**
+ * Check if the tech can support the given source
+ *
+ * @param {Object} srcObj
+ * The source object
+ * @param {Object} options
+ * The options passed to the tech
+ * @return {string} 'probably', 'maybe', or '' (empty string)
+ */
+ ;
- var localizedText = this.localize(text);
+ Tech.canPlaySource = function canPlaySource(srcObj, options) {
+ return Tech.canPlayType(srcObj.type);
+ }
+ /*
+ * Return whether the argument is a Tech or not.
+ * Can be passed either a Class like `Html5` or a instance like `player.tech_`
+ *
+ * @param {Object} component
+ * The item to check
+ *
+ * @return {boolean}
+ * Whether it is a tech or not
+ * - True if it is a tech
+ * - False if it is not
+ */
+ ;
- this.controlText_ = text;
- textContent(this.controlTextEl_, localizedText);
- if (!this.nonIconControl) {
- // Set title attribute if only an icon is shown
- el.setAttribute('title', localizedText);
+ Tech.isTech = function isTech(component) {
+ return component.prototype instanceof Tech || component instanceof Tech || component === Tech;
}
- };
+ /**
+ * Registers a `Tech` into a shared list for videojs.
+ *
+ * @param {string} name
+ * Name of the `Tech` to register.
+ *
+ * @param {Object} tech
+ * The `Tech` class to register.
+ */
+ ;
- /**
- * Builds the default DOM `className`.
- *
- * @return {string}
- * The DOM `className` for this object.
- */
+ Tech.registerTech = function registerTech(name, tech) {
+ if (!Tech.techs_) {
+ Tech.techs_ = {};
+ }
+ if (!Tech.isTech(tech)) {
+ throw new Error("Tech " + name + " must be a Tech");
+ }
- ClickableComponent.prototype.buildCSSClass = function buildCSSClass() {
- return 'vjs-control vjs-button ' + _Component.prototype.buildCSSClass.call(this);
- };
+ if (!Tech.canPlayType) {
+ throw new Error('Techs must have a static canPlayType method on them');
+ }
- /**
- * Enable this `Component`s element.
- */
+ if (!Tech.canPlaySource) {
+ throw new Error('Techs must have a static canPlaySource method on them');
+ }
+ name = toTitleCase(name);
+ Tech.techs_[name] = tech;
+ Tech.techs_[toLowerCase(name)] = tech;
- ClickableComponent.prototype.enable = function enable() {
- if (!this.enabled_) {
- this.enabled_ = true;
- this.removeClass('vjs-disabled');
- this.el_.setAttribute('aria-disabled', 'false');
- if (typeof this.tabIndex_ !== 'undefined') {
- this.el_.setAttribute('tabIndex', this.tabIndex_);
+ if (name !== 'Tech') {
+ // camel case the techName for use in techOrder
+ Tech.defaultTechOrder_.push(name);
}
- this.on(['tap', 'click'], this.handleClick);
- this.on('focus', this.handleFocus);
- this.on('blur', this.handleBlur);
+
+ return tech;
}
- };
+ /**
+ * Get a `Tech` from the shared list by name.
+ *
+ * @param {string} name
+ * `camelCase` or `TitleCase` name of the Tech to get
+ *
+ * @return {Tech|undefined}
+ * The `Tech` or undefined if there was no tech with the name requested.
+ */
+ ;
- /**
- * Disable this `Component`s element.
- */
+ Tech.getTech = function getTech(name) {
+ if (!name) {
+ return;
+ }
+
+ if (Tech.techs_ && Tech.techs_[name]) {
+ return Tech.techs_[name];
+ }
+ name = toTitleCase(name);
- ClickableComponent.prototype.disable = function disable() {
- this.enabled_ = false;
- this.addClass('vjs-disabled');
- this.el_.setAttribute('aria-disabled', 'true');
- if (typeof this.tabIndex_ !== 'undefined') {
- this.el_.removeAttribute('tabIndex');
- }
- this.off(['tap', 'click'], this.handleClick);
- this.off('focus', this.handleFocus);
- this.off('blur', this.handleBlur);
- };
+ if (window$3 && window$3.videojs && window$3.videojs[name]) {
+ log.warn("The " + name + " tech was added to the videojs object when it should be registered using videojs.registerTech(name, tech)");
+ return window$3.videojs[name];
+ }
+ };
+ return Tech;
+ }(Component);
/**
- * This gets called when a `ClickableComponent` gets:
- * - Clicked (via the `click` event, listening starts in the constructor)
- * - Tapped (via the `tap` event, listening starts in the constructor)
- * - The following things happen in order:
- * 1. {@link ClickableComponent#handleFocus} is called via a `focus` event on the
- * `ClickableComponent`.
- * 2. {@link ClickableComponent#handleFocus} adds a listener for `keydown` on using
- * {@link ClickableComponent#handleKeyPress}.
- * 3. `ClickableComponent` has not had a `blur` event (`blur` means that focus was lost). The user presses
- * the space or enter key.
- * 4. {@link ClickableComponent#handleKeyPress} calls this function with the `keydown`
- * event as a parameter.
- *
- * @param {EventTarget~Event} event
- * The `keydown`, `tap`, or `click` event that caused this function to be
- * called.
+ * Get the {@link VideoTrackList}
*
- * @listens tap
- * @listens click
- * @abstract
+ * @returns {VideoTrackList}
+ * @method Tech.prototype.videoTracks
*/
-
- ClickableComponent.prototype.handleClick = function handleClick(event) {};
-
/**
- * This gets called when a `ClickableComponent` gains focus via a `focus` event.
- * Turns on listening for `keydown` events. When they happen it
- * calls `this.handleKeyPress`.
- *
- * @param {EventTarget~Event} event
- * The `focus` event that caused this function to be called.
+ * Get the {@link AudioTrackList}
*
- * @listens focus
+ * @returns {AudioTrackList}
+ * @method Tech.prototype.audioTracks
*/
-
- ClickableComponent.prototype.handleFocus = function handleFocus(event) {
- on(document_1, 'keydown', bind(this, this.handleKeyPress));
- };
-
/**
- * Called when this ClickableComponent has focus and a key gets pressed down. By
- * default it will call `this.handleClick` when the key is space or enter.
- *
- * @param {EventTarget~Event} event
- * The `keydown` event that caused this function to be called.
+ * Get the {@link TextTrackList}
*
- * @listens keydown
+ * @returns {TextTrackList}
+ * @method Tech.prototype.textTracks
*/
+ /**
+ * Get the remote element {@link TextTrackList}
+ *
+ * @returns {TextTrackList}
+ * @method Tech.prototype.remoteTextTracks
+ */
- ClickableComponent.prototype.handleKeyPress = function handleKeyPress(event) {
+ /**
+ * Get the remote element {@link HtmlTrackElementList}
+ *
+ * @returns {HtmlTrackElementList}
+ * @method Tech.prototype.remoteTextTrackEls
+ */
- // Support Space (32) or Enter (13) key operation to fire a click event
- if (event.which === 32 || event.which === 13) {
- event.preventDefault();
- this.trigger('click');
- } else if (_Component.prototype.handleKeyPress) {
- // Pass keypress handling up for unsupported keys
- _Component.prototype.handleKeyPress.call(this, event);
- }
- };
+ ALL.names.forEach(function (name) {
+ var props = ALL[name];
+ Tech.prototype[props.getterName] = function () {
+ this[props.privateName] = this[props.privateName] || new props.ListClass();
+ return this[props.privateName];
+ };
+ });
/**
- * Called when a `ClickableComponent` loses focus. Turns off the listener for
- * `keydown` events. Which Stops `this.handleKeyPress` from getting called.
+ * List of associated text tracks
*
- * @param {EventTarget~Event} event
- * The `blur` event that caused this function to be called.
+ * @type {TextTrackList}
+ * @private
+ * @property Tech#textTracks_
+ */
+
+ /**
+ * List of associated audio tracks.
*
- * @listens blur
+ * @type {AudioTrackList}
+ * @private
+ * @property Tech#audioTracks_
*/
+ /**
+ * List of associated video tracks.
+ *
+ * @type {VideoTrackList}
+ * @private
+ * @property Tech#videoTracks_
+ */
- ClickableComponent.prototype.handleBlur = function handleBlur(event) {
- off(document_1, 'keydown', bind(this, this.handleKeyPress));
- };
+ /**
+ * Boolean indicating whether the `Tech` supports volume control.
+ *
+ * @type {boolean}
+ * @default
+ */
- return ClickableComponent;
-}(Component);
+ Tech.prototype.featuresVolumeControl = true;
+ /**
+ * Boolean indicating whether the `Tech` supports muting volume.
+ *
+ * @type {bolean}
+ * @default
+ */
-Component.registerComponent('ClickableComponent', ClickableComponent);
+ Tech.prototype.featuresMuteControl = true;
+ /**
+ * Boolean indicating whether the `Tech` supports fullscreen resize control.
+ * Resizing plugins using request fullscreen reloads the plugin
+ *
+ * @type {boolean}
+ * @default
+ */
-/**
- * @file poster-image.js
- */
-/**
- * A `ClickableComponent` that handles showing the poster image for the player.
- *
- * @extends ClickableComponent
- */
+ Tech.prototype.featuresFullscreenResize = false;
+ /**
+ * Boolean indicating whether the `Tech` supports changing the speed at which the video
+ * plays. Examples:
+ * - Set player to play 2x (twice) as fast
+ * - Set player to play 0.5x (half) as fast
+ *
+ * @type {boolean}
+ * @default
+ */
-var PosterImage = function (_ClickableComponent) {
- inherits(PosterImage, _ClickableComponent);
+ Tech.prototype.featuresPlaybackRate = false;
+ /**
+ * Boolean indicating whether the `Tech` supports the `progress` event. This is currently
+ * not triggered by video-js-swf. This will be used to determine if
+ * {@link Tech#manualProgressOn} should be called.
+ *
+ * @type {boolean}
+ * @default
+ */
+ Tech.prototype.featuresProgressEvents = false;
/**
- * Create an instance of this class.
+ * Boolean indicating whether the `Tech` supports the `sourceset` event.
*
- * @param {Player} player
- * The `Player` that this class should attach to.
+ * A tech should set this to `true` and then use {@link Tech#triggerSourceset}
+ * to trigger a {@link Tech#event:sourceset} at the earliest time after getting
+ * a new source.
*
- * @param {Object} [options]
- * The key/value store of player options.
+ * @type {boolean}
+ * @default
*/
- function PosterImage(player, options) {
- classCallCheck(this, PosterImage);
-
- var _this = possibleConstructorReturn(this, _ClickableComponent.call(this, player, options));
-
- _this.update();
- player.on('posterchange', bind(_this, _this.update));
- return _this;
- }
+ Tech.prototype.featuresSourceset = false;
/**
- * Clean up and dispose of the `PosterImage`.
+ * Boolean indicating whether the `Tech` supports the `timeupdate` event. This is currently
+ * not triggered by video-js-swf. This will be used to determine if
+ * {@link Tech#manualTimeUpdates} should be called.
+ *
+ * @type {boolean}
+ * @default
*/
-
- PosterImage.prototype.dispose = function dispose() {
- this.player().off('posterchange', this.update);
- _ClickableComponent.prototype.dispose.call(this);
- };
-
+ Tech.prototype.featuresTimeupdateEvents = false;
/**
- * Create the `PosterImage`s DOM element.
+ * Boolean indicating whether the `Tech` supports the native `TextTrack`s.
+ * This will help us integrate with native `TextTrack`s if the browser supports them.
*
- * @return {Element}
- * The element that gets created.
+ * @type {boolean}
+ * @default
*/
-
- PosterImage.prototype.createEl = function createEl$$1() {
- var el = createEl('div', {
- className: 'vjs-poster',
-
- // Don't want poster to be tabbable.
- tabIndex: -1
- });
-
- // To ensure the poster image resizes while maintaining its original aspect
- // ratio, use a div with `background-size` when available. For browsers that
- // do not support `background-size` (e.g. IE8), fall back on using a regular
- // img element.
- if (!BACKGROUND_SIZE_SUPPORTED) {
- this.fallbackImg_ = createEl('img');
- el.appendChild(this.fallbackImg_);
- }
-
- return el;
- };
-
+ Tech.prototype.featuresNativeTextTracks = false;
/**
- * An {@link EventTarget~EventListener} for {@link Player#posterchange} events.
+ * A functional mixin for techs that want to use the Source Handler pattern.
+ * Source handlers are scripts for handling specific formats.
+ * The source handler pattern is used for adaptive formats (HLS, DASH) that
+ * manually load video data and feed it into a Source Buffer (Media Source Extensions)
+ * Example: `Tech.withSourceHandlers.call(MyTech);`
*
- * @listens Player#posterchange
+ * @param {Tech} _Tech
+ * The tech to add source handler functions to.
*
- * @param {EventTarget~Event} [event]
- * The `Player#posterchange` event that triggered this function.
+ * @mixes Tech~SourceHandlerAdditions
*/
+ Tech.withSourceHandlers = function (_Tech) {
+ /**
+ * Register a source handler
+ *
+ * @param {Function} handler
+ * The source handler class
+ *
+ * @param {number} [index]
+ * Register it at the following index
+ */
+ _Tech.registerSourceHandler = function (handler, index) {
+ var handlers = _Tech.sourceHandlers;
- PosterImage.prototype.update = function update(event) {
- var url = this.player().poster();
+ if (!handlers) {
+ handlers = _Tech.sourceHandlers = [];
+ }
- this.setSrc(url);
+ if (index === undefined) {
+ // add to the end of the list
+ index = handlers.length;
+ }
- // If there's no poster source we should display:none on this component
- // so it's not still clickable or right-clickable
- if (url) {
- this.show();
- } else {
- this.hide();
- }
- };
+ handlers.splice(index, 0, handler);
+ };
+ /**
+ * Check if the tech can support the given type. Also checks the
+ * Techs sourceHandlers.
+ *
+ * @param {string} type
+ * The mimetype to check.
+ *
+ * @return {string}
+ * 'probably', 'maybe', or '' (empty string)
+ */
- /**
- * Set the source of the `PosterImage` depending on the display method.
- *
- * @param {string} url
- * The URL to the source for the `PosterImage`.
- */
+ _Tech.canPlayType = function (type) {
+ var handlers = _Tech.sourceHandlers || [];
+ var can;
- PosterImage.prototype.setSrc = function setSrc(url) {
- if (this.fallbackImg_) {
- this.fallbackImg_.src = url;
- } else {
- var backgroundImage = '';
+ for (var i = 0; i < handlers.length; i++) {
+ can = handlers[i].canPlayType(type);
- // Any falsey values should stay as an empty string, otherwise
- // this will throw an extra error
- if (url) {
- backgroundImage = 'url("' + url + '")';
+ if (can) {
+ return can;
+ }
}
- this.el_.style.backgroundImage = backgroundImage;
- }
- };
-
- /**
- * An {@link EventTarget~EventListener} for clicks on the `PosterImage`. See
- * {@link ClickableComponent#handleClick} for instances where this will be triggered.
- *
- * @listens tap
- * @listens click
- * @listens keydown
- *
- * @param {EventTarget~Event} event
- + The `click`, `tap` or `keydown` event that caused this function to be called.
- */
-
+ return '';
+ };
+ /**
+ * Returns the first source handler that supports the source.
+ *
+ * TODO: Answer question: should 'probably' be prioritized over 'maybe'
+ *
+ * @param {Tech~SourceObject} source
+ * The source object
+ *
+ * @param {Object} options
+ * The options passed to the tech
+ *
+ * @return {SourceHandler|null}
+ * The first source handler that supports the source or null if
+ * no SourceHandler supports the source
+ */
- PosterImage.prototype.handleClick = function handleClick(event) {
- // We don't want a click to trigger playback when controls are disabled
- if (!this.player_.controls()) {
- return;
- }
- if (this.player_.paused()) {
- this.player_.play();
- } else {
- this.player_.pause();
- }
- };
+ _Tech.selectSourceHandler = function (source, options) {
+ var handlers = _Tech.sourceHandlers || [];
+ var can;
- return PosterImage;
-}(ClickableComponent);
+ for (var i = 0; i < handlers.length; i++) {
+ can = handlers[i].canHandleSource(source, options);
-Component.registerComponent('PosterImage', PosterImage);
+ if (can) {
+ return handlers[i];
+ }
+ }
-/**
- * @file text-track-display.js
- */
-var darkGray = '#222';
-var lightGray = '#ccc';
-var fontMap = {
- monospace: 'monospace',
- sansSerif: 'sans-serif',
- serif: 'serif',
- monospaceSansSerif: '"Andale Mono", "Lucida Console", monospace',
- monospaceSerif: '"Courier New", monospace',
- proportionalSansSerif: 'sans-serif',
- proportionalSerif: 'serif',
- casual: '"Comic Sans MS", Impact, fantasy',
- script: '"Monotype Corsiva", cursive',
- smallcaps: '"Andale Mono", "Lucida Console", monospace, sans-serif'
-};
+ return null;
+ };
+ /**
+ * Check if the tech can support the given source.
+ *
+ * @param {Tech~SourceObject} srcObj
+ * The source object
+ *
+ * @param {Object} options
+ * The options passed to the tech
+ *
+ * @return {string}
+ * 'probably', 'maybe', or '' (empty string)
+ */
-/**
- * Construct an rgba color from a given hex color code.
- *
- * @param {number} color
- * Hex number for color, like #f0e.
- *
- * @param {number} opacity
- * Value for opacity, 0.0 - 1.0.
- *
- * @return {string}
- * The rgba color that was created, like 'rgba(255, 0, 0, 0.3)'.
- *
- * @private
- */
-function constructColor(color, opacity) {
- return 'rgba(' +
- // color looks like "#f0e"
- parseInt(color[1] + color[1], 16) + ',' + parseInt(color[2] + color[2], 16) + ',' + parseInt(color[3] + color[3], 16) + ',' + opacity + ')';
-}
-/**
- * Try to update the style of a DOM element. Some style changes will throw an error,
- * particularly in IE8. Those should be noops.
- *
- * @param {Element} el
- * The DOM element to be styled.
- *
- * @param {string} style
- * The CSS property on the element that should be styled.
- *
- * @param {string} rule
- * The style rule that should be applied to the property.
- *
- * @private
- */
-function tryUpdateStyle(el, style, rule) {
- try {
- el.style[style] = rule;
- } catch (e) {
+ _Tech.canPlaySource = function (srcObj, options) {
+ var sh = _Tech.selectSourceHandler(srcObj, options);
- // Satisfies linter.
- return;
- }
-}
+ if (sh) {
+ return sh.canHandleSource(srcObj, options);
+ }
-/**
- * The component for displaying text track cues.
- *
- * @extends Component
- */
+ return '';
+ };
+ /**
+ * When using a source handler, prefer its implementation of
+ * any function normally provided by the tech.
+ */
-var TextTrackDisplay = function (_Component) {
- inherits(TextTrackDisplay, _Component);
- /**
- * Creates an instance of this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
- *
- * @param {Object} [options]
- * The key/value store of player options.
- *
- * @param {Component~ReadyCallback} [ready]
- * The function to call when `TextTrackDisplay` is ready.
- */
- function TextTrackDisplay(player, options, ready) {
- classCallCheck(this, TextTrackDisplay);
+ var deferrable = ['seekable', 'seeking', 'duration'];
+ /**
+ * A wrapper around {@link Tech#seekable} that will call a `SourceHandler`s seekable
+ * function if it exists, with a fallback to the Techs seekable function.
+ *
+ * @method _Tech.seekable
+ */
- var _this = possibleConstructorReturn(this, _Component.call(this, player, options, ready));
+ /**
+ * A wrapper around {@link Tech#duration} that will call a `SourceHandler`s duration
+ * function if it exists, otherwise it will fallback to the techs duration function.
+ *
+ * @method _Tech.duration
+ */
- player.on('loadstart', bind(_this, _this.toggleDisplay));
- player.on('texttrackchange', bind(_this, _this.updateDisplay));
- player.on('loadstart', bind(_this, _this.preselectTrack));
+ deferrable.forEach(function (fnName) {
+ var originalFn = this[fnName];
- // This used to be called during player init, but was causing an error
- // if a track should show by default and the display hadn't loaded yet.
- // Should probably be moved to an external track loader when we support
- // tracks that don't need a display.
- player.ready(bind(_this, function () {
- if (player.tech_ && player.tech_.featuresNativeTextTracks) {
- this.hide();
+ if (typeof originalFn !== 'function') {
return;
}
- player.on('fullscreenchange', bind(this, this.updateDisplay));
+ this[fnName] = function () {
+ if (this.sourceHandler_ && this.sourceHandler_[fnName]) {
+ return this.sourceHandler_[fnName].apply(this.sourceHandler_, arguments);
+ }
+
+ return originalFn.apply(this, arguments);
+ };
+ }, _Tech.prototype);
+ /**
+ * Create a function for setting the source using a source object
+ * and source handlers.
+ * Should never be called unless a source handler was found.
+ *
+ * @param {Tech~SourceObject} source
+ * A source object with src and type keys
+ */
+
+ _Tech.prototype.setSource = function (source) {
+ var sh = _Tech.selectSourceHandler(source, this.options_);
- var tracks = this.options_.playerOptions.tracks || [];
+ if (!sh) {
+ // Fall back to a native source hander when unsupported sources are
+ // deliberately set
+ if (_Tech.nativeSourceHandler) {
+ sh = _Tech.nativeSourceHandler;
+ } else {
+ log.error('No source handler found for the current source.');
+ }
+ } // Dispose any existing source handler
- for (var i = 0; i < tracks.length; i++) {
- this.player_.addRemoteTextTrack(tracks[i], true);
+
+ this.disposeSourceHandler();
+ this.off('dispose', this.disposeSourceHandler);
+
+ if (sh !== _Tech.nativeSourceHandler) {
+ this.currentSource_ = source;
}
- this.preselectTrack();
- }));
- return _this;
- }
+ this.sourceHandler_ = sh.handleSource(source, this, this.options_);
+ this.one('dispose', this.disposeSourceHandler);
+ };
+ /**
+ * Clean up any existing SourceHandlers and listeners when the Tech is disposed.
+ *
+ * @listens Tech#dispose
+ */
- /**
- * Preselect a track following this precedence:
- * - matches the previously selected {@link TextTrack}'s language and kind
- * - matches the previously selected {@link TextTrack}'s language only
- * - is the first default captions track
- * - is the first default descriptions track
- *
- * @listens Player#loadstart
- */
+ _Tech.prototype.disposeSourceHandler = function () {
+ // if we have a source and get another one
+ // then we are loading something new
+ // than clear all of our current tracks
+ if (this.currentSource_) {
+ this.clearTracks(['audio', 'video']);
+ this.currentSource_ = null;
+ } // always clean up auto-text tracks
- TextTrackDisplay.prototype.preselectTrack = function preselectTrack() {
- var modes = { captions: 1, subtitles: 1 };
- var trackList = this.player_.textTracks();
- var userPref = this.player_.cache_.selectedLanguage;
- var firstDesc = void 0;
- var firstCaptions = void 0;
- var preferredTrack = void 0;
- for (var i = 0; i < trackList.length; i++) {
- var track = trackList[i];
+ this.cleanupAutoTextTracks();
- if (userPref && userPref.enabled && userPref.language === track.language) {
- // Always choose the track that matches both language and kind
- if (track.kind === userPref.kind) {
- preferredTrack = track;
- // or choose the first track that matches language
- } else if (!preferredTrack) {
- preferredTrack = track;
+ if (this.sourceHandler_) {
+ if (this.sourceHandler_.dispose) {
+ this.sourceHandler_.dispose();
}
- // clear everything if offTextTrackMenuItem was clicked
- } else if (userPref && !userPref.enabled) {
- preferredTrack = null;
- firstDesc = null;
- firstCaptions = null;
- } else if (track['default']) {
- if (track.kind === 'descriptions' && !firstDesc) {
- firstDesc = track;
- } else if (track.kind in modes && !firstCaptions) {
- firstCaptions = track;
- }
+ this.sourceHandler_ = null;
}
- }
+ };
+ }; // The base Tech class needs to be registered as a Component. It is the only
+ // Tech that can be registered as a Component.
- // The preferredTrack matches the user preference and takes
- // precendence over all the other tracks.
- // So, display the preferredTrack before the first default track
- // and the subtitles/captions track before the descriptions track
- if (preferredTrack) {
- preferredTrack.mode = 'showing';
- } else if (firstCaptions) {
- firstCaptions.mode = 'showing';
- } else if (firstDesc) {
- firstDesc.mode = 'showing';
- }
- };
+ Component.registerComponent('Tech', Tech);
+ Tech.registerTech('Tech', Tech);
/**
- * Turn display of {@link TextTrack}'s from the current state into the other state.
- * There are only two states:
- * - 'shown'
- * - 'hidden'
+ * A list of techs that should be added to techOrder on Players
*
- * @listens Player#loadstart
+ * @private
*/
+ Tech.defaultTechOrder_ = [];
- TextTrackDisplay.prototype.toggleDisplay = function toggleDisplay() {
- if (this.player_.tech_ && this.player_.tech_.featuresNativeTextTracks) {
- this.hide();
- } else {
- this.show();
- }
- };
+ /**
+ * @file middleware.js
+ * @module middleware
+ */
+ var middlewares = {};
+ var middlewareInstances = {};
+ var TERMINATOR = {};
+ /**
+ * A middleware object is a plain JavaScript object that has methods that
+ * match the {@link Tech} methods found in the lists of allowed
+ * {@link module:middleware.allowedGetters|getters},
+ * {@link module:middleware.allowedSetters|setters}, and
+ * {@link module:middleware.allowedMediators|mediators}.
+ *
+ * @typedef {Object} MiddlewareObject
+ */
/**
- * Create the {@link Component}'s DOM element.
+ * A middleware factory function that should return a
+ * {@link module:middleware~MiddlewareObject|MiddlewareObject}.
*
- * @return {Element}
- * The element that was created.
+ * This factory will be called for each player when needed, with the player
+ * passed in as an argument.
+ *
+ * @callback MiddlewareFactory
+ * @param {Player} player
+ * A Video.js player.
+ */
+
+ /**
+ * Define a middleware that the player should use by way of a factory function
+ * that returns a middleware object.
+ *
+ * @param {string} type
+ * The MIME type to match or `"*"` for all MIME types.
+ *
+ * @param {MiddlewareFactory} middleware
+ * A middleware factory function that will be executed for
+ * matching types.
*/
+ function use(type, middleware) {
+ middlewares[type] = middlewares[type] || [];
+ middlewares[type].push(middleware);
+ }
+ /**
+ * Asynchronously sets a source using middleware by recursing through any
+ * matching middlewares and calling `setSource` on each, passing along the
+ * previous returned value each time.
+ *
+ * @param {Player} player
+ * A {@link Player} instance.
+ *
+ * @param {Tech~SourceObject} src
+ * A source object.
+ *
+ * @param {Function}
+ * The next middleware to run.
+ */
- TextTrackDisplay.prototype.createEl = function createEl() {
- return _Component.prototype.createEl.call(this, 'div', {
- className: 'vjs-text-track-display'
- }, {
- 'aria-live': 'off',
- 'aria-atomic': 'true'
+ function setSource(player, src, next) {
+ player.setTimeout(function () {
+ return setSourceHelper(src, middlewares[src.type], next, player);
+ }, 1);
+ }
+ /**
+ * When the tech is set, passes the tech to each middleware's `setTech` method.
+ *
+ * @param {Object[]} middleware
+ * An array of middleware instances.
+ *
+ * @param {Tech} tech
+ * A Video.js tech.
+ */
+
+ function setTech(middleware, tech) {
+ middleware.forEach(function (mw) {
+ return mw.setTech && mw.setTech(tech);
});
- };
+ }
+ /**
+ * Calls a getter on the tech first, through each middleware
+ * from right to left to the player.
+ *
+ * @param {Object[]} middleware
+ * An array of middleware instances.
+ *
+ * @param {Tech} tech
+ * The current tech.
+ *
+ * @param {string} method
+ * A method name.
+ *
+ * @return {Mixed}
+ * The final value from the tech after middleware has intercepted it.
+ */
+ function get(middleware, tech, method) {
+ return middleware.reduceRight(middlewareIterator(method), tech[method]());
+ }
/**
- * Clear all displayed {@link TextTrack}s.
+ * Takes the argument given to the player and calls the setter method on each
+ * middleware from left to right to the tech.
+ *
+ * @param {Object[]} middleware
+ * An array of middleware instances.
+ *
+ * @param {Tech} tech
+ * The current tech.
+ *
+ * @param {string} method
+ * A method name.
+ *
+ * @param {Mixed} arg
+ * The value to set on the tech.
+ *
+ * @return {Mixed}
+ * The return value of the `method` of the `tech`.
*/
+ function set(middleware, tech, method, arg) {
+ return tech[method](middleware.reduce(middlewareIterator(method), arg));
+ }
+ /**
+ * Takes the argument given to the player and calls the `call` version of the
+ * method on each middleware from left to right.
+ *
+ * Then, call the passed in method on the tech and return the result unchanged
+ * back to the player, through middleware, this time from right to left.
+ *
+ * @param {Object[]} middleware
+ * An array of middleware instances.
+ *
+ * @param {Tech} tech
+ * The current tech.
+ *
+ * @param {string} method
+ * A method name.
+ *
+ * @param {Mixed} arg
+ * The value to set on the tech.
+ *
+ * @return {Mixed}
+ * The return value of the `method` of the `tech`, regardless of the
+ * return values of middlewares.
+ */
- TextTrackDisplay.prototype.clearDisplay = function clearDisplay() {
- if (typeof window_1.WebVTT === 'function') {
- window_1.WebVTT.processCues(window_1, [], this.el_);
+ function mediate(middleware, tech, method, arg) {
+ if (arg === void 0) {
+ arg = null;
}
- };
+ var callMethod = 'call' + toTitleCase(method);
+ var middlewareValue = middleware.reduce(middlewareIterator(callMethod), arg);
+ var terminated = middlewareValue === TERMINATOR; // deprecated. The `null` return value should instead return TERMINATOR to
+ // prevent confusion if a techs method actually returns null.
+
+ var returnValue = terminated ? null : tech[method](middlewareValue);
+ executeRight(middleware, method, returnValue, terminated);
+ return returnValue;
+ }
/**
- * Update the displayed TextTrack when a either a {@link Player#texttrackchange} or
- * a {@link Player#fullscreenchange} is fired.
+ * Enumeration of allowed getters where the keys are method names.
*
- * @listens Player#texttrackchange
- * @listens Player#fullscreenchange
+ * @type {Object}
*/
+ var allowedGetters = {
+ buffered: 1,
+ currentTime: 1,
+ duration: 1,
+ muted: 1,
+ played: 1,
+ paused: 1,
+ seekable: 1,
+ volume: 1
+ };
+ /**
+ * Enumeration of allowed setters where the keys are method names.
+ *
+ * @type {Object}
+ */
- TextTrackDisplay.prototype.updateDisplay = function updateDisplay() {
- var tracks = this.player_.textTracks();
+ var allowedSetters = {
+ setCurrentTime: 1,
+ setMuted: 1,
+ setVolume: 1
+ };
+ /**
+ * Enumeration of allowed mediators where the keys are method names.
+ *
+ * @type {Object}
+ */
- this.clearDisplay();
+ var allowedMediators = {
+ play: 1,
+ pause: 1
+ };
- // Track display prioritization model: if multiple tracks are 'showing',
- // display the first 'subtitles' or 'captions' track which is 'showing',
- // otherwise display the first 'descriptions' track which is 'showing'
+ function middlewareIterator(method) {
+ return function (value, mw) {
+ // if the previous middleware terminated, pass along the termination
+ if (value === TERMINATOR) {
+ return TERMINATOR;
+ }
- var descriptionsTrack = null;
- var captionsSubtitlesTrack = null;
- var i = tracks.length;
+ if (mw[method]) {
+ return mw[method](value);
+ }
- while (i--) {
- var track = tracks[i];
+ return value;
+ };
+ }
- if (track.mode === 'showing') {
- if (track.kind === 'descriptions') {
- descriptionsTrack = track;
- } else {
- captionsSubtitlesTrack = track;
- }
- }
- }
+ function executeRight(mws, method, value, terminated) {
+ for (var i = mws.length - 1; i >= 0; i--) {
+ var mw = mws[i];
- if (captionsSubtitlesTrack) {
- if (this.getAttribute('aria-live') !== 'off') {
- this.setAttribute('aria-live', 'off');
+ if (mw[method]) {
+ mw[method](terminated, value);
}
- this.updateForTrack(captionsSubtitlesTrack);
- } else if (descriptionsTrack) {
- if (this.getAttribute('aria-live') !== 'assertive') {
- this.setAttribute('aria-live', 'assertive');
- }
- this.updateForTrack(descriptionsTrack);
}
- };
+ }
+ /**
+ * Clear the middleware cache for a player.
+ *
+ * @param {Player} player
+ * A {@link Player} instance.
+ */
+
+ function clearCacheForPlayer(player) {
+ middlewareInstances[player.id()] = null;
+ }
/**
- * Add an {@link Texttrack} to to the {@link Tech}s {@link TextTrackList}.
+ * {
+ * [playerId]: [[mwFactory, mwInstance], ...]
+ * }
*
- * @param {TextTrack} track
- * Text track object to be added to the list.
+ * @private
*/
+ function getOrCreateFactory(player, mwFactory) {
+ var mws = middlewareInstances[player.id()];
+ var mw = null;
- TextTrackDisplay.prototype.updateForTrack = function updateForTrack(track) {
- if (typeof window_1.WebVTT !== 'function' || !track.activeCues) {
- return;
+ if (mws === undefined || mws === null) {
+ mw = mwFactory(player);
+ middlewareInstances[player.id()] = [[mwFactory, mw]];
+ return mw;
}
- var cues = [];
+ for (var i = 0; i < mws.length; i++) {
+ var _mws$i = mws[i],
+ mwf = _mws$i[0],
+ mwi = _mws$i[1];
+
+ if (mwf !== mwFactory) {
+ continue;
+ }
- for (var _i = 0; _i < track.activeCues.length; _i++) {
- cues.push(track.activeCues[_i]);
+ mw = mwi;
}
- window_1.WebVTT.processCues(window_1, cues, this.el_);
+ if (mw === null) {
+ mw = mwFactory(player);
+ mws.push([mwFactory, mw]);
+ }
- if (!this.player_.textTrackSettings) {
- return;
+ return mw;
+ }
+
+ function setSourceHelper(src, middleware, next, player, acc, lastRun) {
+ if (src === void 0) {
+ src = {};
}
- var overrides = this.player_.textTrackSettings.getValues();
+ if (middleware === void 0) {
+ middleware = [];
+ }
- var i = cues.length;
+ if (acc === void 0) {
+ acc = [];
+ }
- while (i--) {
- var cue = cues[i];
+ if (lastRun === void 0) {
+ lastRun = false;
+ }
- if (!cue) {
- continue;
- }
+ var _middleware = middleware,
+ mwFactory = _middleware[0],
+ mwrest = _middleware.slice(1); // if mwFactory is a string, then we're at a fork in the road
- var cueDiv = cue.displayState;
- if (overrides.color) {
- cueDiv.firstChild.style.color = overrides.color;
- }
- if (overrides.textOpacity) {
- tryUpdateStyle(cueDiv.firstChild, 'color', constructColor(overrides.color || '#fff', overrides.textOpacity));
- }
- if (overrides.backgroundColor) {
- cueDiv.firstChild.style.backgroundColor = overrides.backgroundColor;
- }
- if (overrides.backgroundOpacity) {
- tryUpdateStyle(cueDiv.firstChild, 'backgroundColor', constructColor(overrides.backgroundColor || '#000', overrides.backgroundOpacity));
- }
- if (overrides.windowColor) {
- if (overrides.windowOpacity) {
- tryUpdateStyle(cueDiv, 'backgroundColor', constructColor(overrides.windowColor, overrides.windowOpacity));
- } else {
- cueDiv.style.backgroundColor = overrides.windowColor;
- }
- }
- if (overrides.edgeStyle) {
- if (overrides.edgeStyle === 'dropshadow') {
- cueDiv.firstChild.style.textShadow = '2px 2px 3px ' + darkGray + ', 2px 2px 4px ' + darkGray + ', 2px 2px 5px ' + darkGray;
- } else if (overrides.edgeStyle === 'raised') {
- cueDiv.firstChild.style.textShadow = '1px 1px ' + darkGray + ', 2px 2px ' + darkGray + ', 3px 3px ' + darkGray;
- } else if (overrides.edgeStyle === 'depressed') {
- cueDiv.firstChild.style.textShadow = '1px 1px ' + lightGray + ', 0 1px ' + lightGray + ', -1px -1px ' + darkGray + ', 0 -1px ' + darkGray;
- } else if (overrides.edgeStyle === 'uniform') {
- cueDiv.firstChild.style.textShadow = '0 0 4px ' + darkGray + ', 0 0 4px ' + darkGray + ', 0 0 4px ' + darkGray + ', 0 0 4px ' + darkGray;
- }
- }
- if (overrides.fontPercent && overrides.fontPercent !== 1) {
- var fontSize = window_1.parseFloat(cueDiv.style.fontSize);
+ if (typeof mwFactory === 'string') {
+ setSourceHelper(src, middlewares[mwFactory], next, player, acc, lastRun); // if we have an mwFactory, call it with the player to get the mw,
+ // then call the mw's setSource method
+ } else if (mwFactory) {
+ var mw = getOrCreateFactory(player, mwFactory); // if setSource isn't present, implicitly select this middleware
- cueDiv.style.fontSize = fontSize * overrides.fontPercent + 'px';
- cueDiv.style.height = 'auto';
- cueDiv.style.top = 'auto';
- cueDiv.style.bottom = '2px';
- }
- if (overrides.fontFamily && overrides.fontFamily !== 'default') {
- if (overrides.fontFamily === 'small-caps') {
- cueDiv.firstChild.style.fontVariant = 'small-caps';
- } else {
- cueDiv.firstChild.style.fontFamily = fontMap[overrides.fontFamily];
- }
+ if (!mw.setSource) {
+ acc.push(mw);
+ return setSourceHelper(src, mwrest, next, player, acc, lastRun);
}
- }
- };
-
- return TextTrackDisplay;
-}(Component);
-Component.registerComponent('TextTrackDisplay', TextTrackDisplay);
+ mw.setSource(assign({}, src), function (err, _src) {
+ // something happened, try the next middleware on the current level
+ // make sure to use the old src
+ if (err) {
+ return setSourceHelper(src, mwrest, next, player, acc, lastRun);
+ } // we've succeeded, now we need to go deeper
-/**
- * @file loading-spinner.js
- */
-/**
- * A loading spinner for use during waiting/loading events.
- *
- * @extends Component
- */
-var LoadingSpinner = function (_Component) {
- inherits(LoadingSpinner, _Component);
+ acc.push(mw); // if it's the same type, continue down the current chain
+ // otherwise, we want to go down the new chain
- function LoadingSpinner() {
- classCallCheck(this, LoadingSpinner);
- return possibleConstructorReturn(this, _Component.apply(this, arguments));
+ setSourceHelper(_src, src.type === _src.type ? mwrest : middlewares[_src.type], next, player, acc, lastRun);
+ });
+ } else if (mwrest.length) {
+ setSourceHelper(src, mwrest, next, player, acc, lastRun);
+ } else if (lastRun) {
+ next(src, acc);
+ } else {
+ setSourceHelper(src, middlewares['*'], next, player, acc, true);
+ }
}
/**
- * Create the `LoadingSpinner`s DOM element.
+ * Mimetypes
*
- * @return {Element}
- * The dom element that gets created.
- */
- LoadingSpinner.prototype.createEl = function createEl$$1() {
- var isAudio = this.player_.isAudio();
- var playerType = this.localize(isAudio ? 'Audio Player' : 'Video Player');
- var controlText = createEl('span', {
- className: 'vjs-control-text',
- innerHTML: this.localize('{1} is loading.', [playerType])
- });
-
- var el = _Component.prototype.createEl.call(this, 'div', {
- className: 'vjs-loading-spinner',
- dir: 'ltr'
- });
-
- el.appendChild(controlText);
+ * @see http://hul.harvard.edu/ois/////systems/wax/wax-public-help/mimetypes.htm
+ * @typedef Mimetypes~Kind
+ * @enum
+ */
- return el;
+ var MimetypesKind = {
+ opus: 'video/ogg',
+ ogv: 'video/ogg',
+ mp4: 'video/mp4',
+ mov: 'video/mp4',
+ m4v: 'video/mp4',
+ mkv: 'video/x-matroska',
+ m4a: 'audio/mp4',
+ mp3: 'audio/mpeg',
+ aac: 'audio/aac',
+ oga: 'audio/ogg',
+ m3u8: 'application/x-mpegURL',
+ jpg: 'image/jpeg',
+ jpeg: 'image/jpeg',
+ gif: 'image/gif',
+ png: 'image/png',
+ svg: 'image/svg+xml',
+ webp: 'image/webp'
};
+ /**
+ * Get the mimetype of a given src url if possible
+ *
+ * @param {string} src
+ * The url to the src
+ *
+ * @return {string}
+ * return the mimetype if it was known or empty string otherwise
+ */
- return LoadingSpinner;
-}(Component);
-
-Component.registerComponent('LoadingSpinner', LoadingSpinner);
-
-/**
- * @file button.js
- */
-/**
- * Base class for all buttons.
- *
- * @extends ClickableComponent
- */
-
-var Button = function (_ClickableComponent) {
- inherits(Button, _ClickableComponent);
-
- function Button() {
- classCallCheck(this, Button);
- return possibleConstructorReturn(this, _ClickableComponent.apply(this, arguments));
- }
+ var getMimetype = function getMimetype(src) {
+ if (src === void 0) {
+ src = '';
+ }
+ var ext = getFileExtension(src);
+ var mimetype = MimetypesKind[ext.toLowerCase()];
+ return mimetype || '';
+ };
/**
- * Create the `Button`s DOM element.
- *
- * @param {string} [tag="button"]
- * The element's node type. This argument is IGNORED: no matter what
- * is passed, it will always create a `button` element.
+ * Find the mime type of a given source string if possible. Uses the player
+ * source cache.
*
- * @param {Object} [props={}]
- * An object of properties that should be set on the element.
+ * @param {Player} player
+ * The player object
*
- * @param {Object} [attributes={}]
- * An object of attributes that should be set on the element.
+ * @param {string} src
+ * The source string
*
- * @return {Element}
- * The element that gets created.
+ * @return {string}
+ * The type that was found
*/
- Button.prototype.createEl = function createEl(tag) {
- var props = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
- var attributes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
- tag = 'button';
+ var findMimetype = function findMimetype(player, src) {
+ if (!src) {
+ return '';
+ } // 1. check for the type in the `source` cache
+
+
+ if (player.cache_.source.src === src && player.cache_.source.type) {
+ return player.cache_.source.type;
+ } // 2. see if we have this source in our `currentSources` cache
- props = assign({
- innerHTML: '<span aria-hidden="true" class="vjs-icon-placeholder"></span>',
- className: this.buildCSSClass()
- }, props);
- // Add attributes for button element
- attributes = assign({
+ var matchingSources = player.cache_.sources.filter(function (s) {
+ return s.src === src;
+ });
- // Necessary since the default button type is "submit"
- 'type': 'button',
+ if (matchingSources.length) {
+ return matchingSources[0].type;
+ } // 3. look for the src url in source elements and use the type there
- // let the screen reader user know that the text of the button may change
- 'aria-live': 'polite'
- }, attributes);
- var el = Component.prototype.createEl.call(this, tag, props, attributes);
+ var sources = player.$$('source');
- this.createControlTextEl(el);
+ for (var i = 0; i < sources.length; i++) {
+ var s = sources[i];
- return el;
+ if (s.type && s.src && s.src === src) {
+ return s.type;
+ }
+ } // 4. finally fallback to our list of mime types based on src url extension
+
+
+ return getMimetype(src);
};
/**
- * Add a child `Component` inside of this `Button`.
- *
- * @param {string|Component} child
- * The name or instance of a child to add.
+ * @module filter-source
+ */
+ /**
+ * Filter out single bad source objects or multiple source objects in an
+ * array. Also flattens nested source object arrays into a 1 dimensional
+ * array of source objects.
*
- * @param {Object} [options={}]
- * The key/value store of options that will get passed to children of
- * the child.
+ * @param {Tech~SourceObject|Tech~SourceObject[]} src
+ * The src object to filter
*
- * @return {Component}
- * The `Component` that gets added as a child. When using a string the
- * `Component` will get created by this process.
+ * @return {Tech~SourceObject[]}
+ * An array of sourceobjects containing only valid sources
*
- * @deprecated since version 5
+ * @private
*/
+ var filterSource = function filterSource(src) {
+ // traverse array
+ if (Array.isArray(src)) {
+ var newsrc = [];
+ src.forEach(function (srcobj) {
+ srcobj = filterSource(srcobj);
- Button.prototype.addChild = function addChild(child) {
- var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
-
- var className = this.constructor.name;
-
- log$1.warn('Adding an actionable (user controllable) child to a Button (' + className + ') is not supported; use a ClickableComponent instead.');
+ if (Array.isArray(srcobj)) {
+ newsrc = newsrc.concat(srcobj);
+ } else if (isObject(srcobj)) {
+ newsrc.push(srcobj);
+ }
+ });
+ src = newsrc;
+ } else if (typeof src === 'string' && src.trim()) {
+ // convert string into object
+ src = [fixSource({
+ src: src
+ })];
+ } else if (isObject(src) && typeof src.src === 'string' && src.src && src.src.trim()) {
+ // src is already valid
+ src = [fixSource(src)];
+ } else {
+ // invalid source, turn it into an empty array
+ src = [];
+ }
- // Avoid the error message generated by ClickableComponent's addChild method
- return Component.prototype.addChild.call(this, child, options);
+ return src;
};
-
/**
- * Enable the `Button` element so that it can be activated or clicked. Use this with
- * {@link Button#disable}.
+ * Checks src mimetype, adding it when possible
+ *
+ * @param {Tech~SourceObject} src
+ * The src object to check
+ * @return {Tech~SourceObject}
+ * src Object with known type
*/
- Button.prototype.enable = function enable() {
- _ClickableComponent.prototype.enable.call(this);
- this.el_.removeAttribute('disabled');
- };
+ function fixSource(src) {
+ if (!src.type) {
+ var mimetype = getMimetype(src.src);
+
+ if (mimetype) {
+ src.type = mimetype;
+ }
+ }
+
+ return src;
+ }
/**
- * Disable the `Button` element so that it cannot be activated or clicked. Use this with
- * {@link Button#enable}.
+ * The `MediaLoader` is the `Component` that decides which playback technology to load
+ * when a player is initialized.
+ *
+ * @extends Component
*/
+ var MediaLoader = /*#__PURE__*/function (_Component) {
+ inheritsLoose(MediaLoader, _Component);
+
+ /**
+ * Create an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should attach to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ *
+ * @param {Component~ReadyCallback} [ready]
+ * The function that is run when this component is ready.
+ */
+ function MediaLoader(player, options, ready) {
+ var _this;
+
+ // MediaLoader has no element
+ var options_ = mergeOptions({
+ createEl: false
+ }, options);
+ _this = _Component.call(this, player, options_, ready) || this; // If there are no sources when the player is initialized,
+ // load the first supported playback technology.
+
+ if (!options.playerOptions.sources || options.playerOptions.sources.length === 0) {
+ for (var i = 0, j = options.playerOptions.techOrder; i < j.length; i++) {
+ var techName = toTitleCase(j[i]);
+ var tech = Tech.getTech(techName); // Support old behavior of techs being registered as components.
+ // Remove once that deprecated behavior is removed.
+
+ if (!techName) {
+ tech = Component.getComponent(techName);
+ } // Check if the browser supports this technology
- Button.prototype.disable = function disable() {
- _ClickableComponent.prototype.disable.call(this);
- this.el_.setAttribute('disabled', 'disabled');
- };
+
+ if (tech && tech.isSupported()) {
+ player.loadTech_(techName);
+ break;
+ }
+ }
+ } else {
+ // Loop through playback technologies (HTML5, Flash) and check for support.
+ // Then load the best source.
+ // A few assumptions here:
+ // All playback technologies respect preload false.
+ player.src(options.playerOptions.sources);
+ }
+
+ return _this;
+ }
+
+ return MediaLoader;
+ }(Component);
+
+ Component.registerComponent('MediaLoader', MediaLoader);
/**
- * This gets called when a `Button` has focus and `keydown` is triggered via a key
- * press.
- *
- * @param {EventTarget~Event} event
- * The event that caused this function to get called.
+ * Component which is clickable or keyboard actionable, but is not a
+ * native HTML button.
*
- * @listens keydown
+ * @extends Component
*/
+ var ClickableComponent = /*#__PURE__*/function (_Component) {
+ inheritsLoose(ClickableComponent, _Component);
- Button.prototype.handleKeyPress = function handleKeyPress(event) {
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ *
+ * @param {function} [options.clickHandler]
+ * The function to call when the button is clicked / activated
+ */
+ function ClickableComponent(player, options) {
+ var _this;
- // Ignore Space (32) or Enter (13) key operation, which is handled by the browser for a button.
- if (event.which === 32 || event.which === 13) {
- return;
- }
+ _this = _Component.call(this, player, options) || this;
- // Pass keypress handling up for unsupported keys
- _ClickableComponent.prototype.handleKeyPress.call(this, event);
- };
+ _this.emitTapEvents();
- return Button;
-}(ClickableComponent);
+ _this.enable();
-Component.registerComponent('Button', Button);
+ return _this;
+ }
+ /**
+ * Create the `ClickableComponent`s DOM element.
+ *
+ * @param {string} [tag=div]
+ * The element's node type.
+ *
+ * @param {Object} [props={}]
+ * An object of properties that should be set on the element.
+ *
+ * @param {Object} [attributes={}]
+ * An object of attributes that should be set on the element.
+ *
+ * @return {Element}
+ * The element that gets created.
+ */
-/**
- * @file big-play-button.js
- */
-/**
- * The initial play button that shows before the video has played. The hiding of the
- * `BigPlayButton` get done via CSS and `Player` states.
- *
- * @extends Button
- */
-var BigPlayButton = function (_Button) {
- inherits(BigPlayButton, _Button);
+ var _proto = ClickableComponent.prototype;
- function BigPlayButton(player, options) {
- classCallCheck(this, BigPlayButton);
+ _proto.createEl = function createEl(tag, props, attributes) {
+ if (tag === void 0) {
+ tag = 'div';
+ }
- var _this = possibleConstructorReturn(this, _Button.call(this, player, options));
+ if (props === void 0) {
+ props = {};
+ }
- _this.mouseused_ = false;
+ if (attributes === void 0) {
+ attributes = {};
+ }
- _this.on('mousedown', _this.handleMouseDown);
- return _this;
- }
+ props = assign({
+ innerHTML: '<span aria-hidden="true" class="vjs-icon-placeholder"></span>',
+ className: this.buildCSSClass(),
+ tabIndex: 0
+ }, props);
- /**
- * Builds the default DOM `className`.
- *
- * @return {string}
- * The DOM `className` for this object. Always returns 'vjs-big-play-button'.
- */
+ if (tag === 'button') {
+ log.error("Creating a ClickableComponent with an HTML element of " + tag + " is not supported; use a Button instead.");
+ } // Add ARIA attributes for clickable element which is not a native HTML button
- BigPlayButton.prototype.buildCSSClass = function buildCSSClass() {
- return 'vjs-big-play-button';
- };
+ attributes = assign({
+ role: 'button'
+ }, attributes);
+ this.tabIndex_ = props.tabIndex;
- /**
- * This gets called when a `BigPlayButton` "clicked". See {@link ClickableComponent}
- * for more detailed information on what a click can be.
- *
- * @param {EventTarget~Event} event
- * The `keydown`, `tap`, or `click` event that caused this function to be
- * called.
- *
- * @listens tap
- * @listens click
- */
+ var el = _Component.prototype.createEl.call(this, tag, props, attributes);
+ this.createControlTextEl(el);
+ return el;
+ };
- BigPlayButton.prototype.handleClick = function handleClick(event) {
- var playPromise = this.player_.play();
+ _proto.dispose = function dispose() {
+ // remove controlTextEl_ on dispose
+ this.controlTextEl_ = null;
- // exit early if clicked via the mouse
- if (this.mouseused_ && event.clientX && event.clientY) {
- return;
+ _Component.prototype.dispose.call(this);
}
+ /**
+ * Create a control text element on this `ClickableComponent`
+ *
+ * @param {Element} [el]
+ * Parent element for the control text.
+ *
+ * @return {Element}
+ * The control text element that gets created.
+ */
+ ;
+
+ _proto.createControlTextEl = function createControlTextEl(el) {
+ this.controlTextEl_ = createEl('span', {
+ className: 'vjs-control-text'
+ }, {
+ // let the screen reader user know that the text of the element may change
+ 'aria-live': 'polite'
+ });
- var cb = this.player_.getChild('controlBar');
- var playToggle = cb && cb.getChild('playToggle');
+ if (el) {
+ el.appendChild(this.controlTextEl_);
+ }
- if (!playToggle) {
- this.player_.focus();
- return;
+ this.controlText(this.controlText_, el);
+ return this.controlTextEl_;
}
+ /**
+ * Get or set the localize text to use for the controls on the `ClickableComponent`.
+ *
+ * @param {string} [text]
+ * Control text for element.
+ *
+ * @param {Element} [el=this.el()]
+ * Element to set the title on.
+ *
+ * @return {string}
+ * - The control text when getting
+ */
+ ;
- var playFocus = function playFocus() {
- return playToggle.focus();
- };
+ _proto.controlText = function controlText(text, el) {
+ if (el === void 0) {
+ el = this.el();
+ }
- if (isPromise(playPromise)) {
- playPromise.then(playFocus, function () {});
- } else {
- this.setTimeout(playFocus, 1);
+ if (text === undefined) {
+ return this.controlText_ || 'Need Text';
+ }
+
+ var localizedText = this.localize(text);
+ this.controlText_ = text;
+ textContent(this.controlTextEl_, localizedText);
+
+ if (!this.nonIconControl) {
+ // Set title attribute if only an icon is shown
+ el.setAttribute('title', localizedText);
+ }
}
- };
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+ ;
+
+ _proto.buildCSSClass = function buildCSSClass() {
+ return "vjs-control vjs-button " + _Component.prototype.buildCSSClass.call(this);
+ }
+ /**
+ * Enable this `ClickableComponent`
+ */
+ ;
- BigPlayButton.prototype.handleKeyPress = function handleKeyPress(event) {
- this.mouseused_ = false;
+ _proto.enable = function enable() {
+ if (!this.enabled_) {
+ this.enabled_ = true;
+ this.removeClass('vjs-disabled');
+ this.el_.setAttribute('aria-disabled', 'false');
- _Button.prototype.handleKeyPress.call(this, event);
- };
+ if (typeof this.tabIndex_ !== 'undefined') {
+ this.el_.setAttribute('tabIndex', this.tabIndex_);
+ }
- BigPlayButton.prototype.handleMouseDown = function handleMouseDown(event) {
- this.mouseused_ = true;
- };
+ this.on(['tap', 'click'], this.handleClick);
+ this.on('keydown', this.handleKeyDown);
+ }
+ }
+ /**
+ * Disable this `ClickableComponent`
+ */
+ ;
- return BigPlayButton;
-}(Button);
+ _proto.disable = function disable() {
+ this.enabled_ = false;
+ this.addClass('vjs-disabled');
+ this.el_.setAttribute('aria-disabled', 'true');
-/**
- * The text that should display over the `BigPlayButton`s controls. Added to for localization.
- *
- * @type {string}
- * @private
- */
+ if (typeof this.tabIndex_ !== 'undefined') {
+ this.el_.removeAttribute('tabIndex');
+ }
+ this.off('mouseover', this.handleMouseOver);
+ this.off('mouseout', this.handleMouseOut);
+ this.off(['tap', 'click'], this.handleClick);
+ this.off('keydown', this.handleKeyDown);
+ }
+ /**
+ * Event handler that is called when a `ClickableComponent` receives a
+ * `click` or `tap` event.
+ *
+ * @param {EventTarget~Event} event
+ * The `tap` or `click` event that caused this function to be called.
+ *
+ * @listens tap
+ * @listens click
+ * @abstract
+ */
+ ;
-BigPlayButton.prototype.controlText_ = 'Play Video';
+ _proto.handleClick = function handleClick(event) {
+ if (this.options_.clickHandler) {
+ this.options_.clickHandler.call(this, arguments);
+ }
+ }
+ /**
+ * Event handler that is called when a `ClickableComponent` receives a
+ * `keydown` event.
+ *
+ * By default, if the key is Space or Enter, it will trigger a `click` event.
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown` event that caused this function to be called.
+ *
+ * @listens keydown
+ */
+ ;
-Component.registerComponent('BigPlayButton', BigPlayButton);
+ _proto.handleKeyDown = function handleKeyDown(event) {
+ // Support Space or Enter key operation to fire a click event. Also,
+ // prevent the event from propagating through the DOM and triggering
+ // Player hotkeys.
+ if (keycode.isEventKey(event, 'Space') || keycode.isEventKey(event, 'Enter')) {
+ event.preventDefault();
+ event.stopPropagation();
+ this.trigger('click');
+ } else {
+ // Pass keypress handling up for unsupported keys
+ _Component.prototype.handleKeyDown.call(this, event);
+ }
+ };
-/**
- * @file close-button.js
- */
-/**
- * The `CloseButton` is a `{@link Button}` that fires a `close` event when
- * it gets clicked.
- *
- * @extends Button
- */
+ return ClickableComponent;
+ }(Component);
-var CloseButton = function (_Button) {
- inherits(CloseButton, _Button);
+ Component.registerComponent('ClickableComponent', ClickableComponent);
/**
- * Creates an instance of the this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
+ * A `ClickableComponent` that handles showing the poster image for the player.
*
- * @param {Object} [options]
- * The key/value store of player options.
+ * @extends ClickableComponent
*/
- function CloseButton(player, options) {
- classCallCheck(this, CloseButton);
- var _this = possibleConstructorReturn(this, _Button.call(this, player, options));
+ var PosterImage = /*#__PURE__*/function (_ClickableComponent) {
+ inheritsLoose(PosterImage, _ClickableComponent);
- _this.controlText(options && options.controlText || _this.localize('Close'));
- return _this;
- }
+ /**
+ * Create an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should attach to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function PosterImage(player, options) {
+ var _this;
- /**
- * Builds the default DOM `className`.
- *
- * @return {string}
- * The DOM `className` for this object.
- */
+ _this = _ClickableComponent.call(this, player, options) || this;
+ _this.update();
- CloseButton.prototype.buildCSSClass = function buildCSSClass() {
- return 'vjs-close-button ' + _Button.prototype.buildCSSClass.call(this);
- };
+ player.on('posterchange', bind(assertThisInitialized(_this), _this.update));
+ return _this;
+ }
+ /**
+ * Clean up and dispose of the `PosterImage`.
+ */
- /**
- * This gets called when a `CloseButton` gets clicked. See
- * {@link ClickableComponent#handleClick} for more information on when this will be
- * triggered
- *
- * @param {EventTarget~Event} event
- * The `keydown`, `tap`, or `click` event that caused this function to be
- * called.
- *
- * @listens tap
- * @listens click
- * @fires CloseButton#close
- */
+ var _proto = PosterImage.prototype;
- CloseButton.prototype.handleClick = function handleClick(event) {
+ _proto.dispose = function dispose() {
+ this.player().off('posterchange', this.update);
+ _ClickableComponent.prototype.dispose.call(this);
+ }
/**
- * Triggered when the a `CloseButton` is clicked.
+ * Create the `PosterImage`s DOM element.
*
- * @event CloseButton#close
- * @type {EventTarget~Event}
+ * @return {Element}
+ * The element that gets created.
+ */
+ ;
+
+ _proto.createEl = function createEl$1() {
+ var el = createEl('div', {
+ className: 'vjs-poster',
+ // Don't want poster to be tabbable.
+ tabIndex: -1
+ });
+ return el;
+ }
+ /**
+ * An {@link EventTarget~EventListener} for {@link Player#posterchange} events.
+ *
+ * @listens Player#posterchange
*
- * @property {boolean} [bubbles=false]
- * set to false so that the close event does not
- * bubble up to parents if there is no listener
+ * @param {EventTarget~Event} [event]
+ * The `Player#posterchange` event that triggered this function.
*/
- this.trigger({ type: 'close', bubbles: false });
- };
+ ;
- return CloseButton;
-}(Button);
+ _proto.update = function update(event) {
+ var url = this.player().poster();
+ this.setSrc(url); // If there's no poster source we should display:none on this component
+ // so it's not still clickable or right-clickable
-Component.registerComponent('CloseButton', CloseButton);
+ if (url) {
+ this.show();
+ } else {
+ this.hide();
+ }
+ }
+ /**
+ * Set the source of the `PosterImage` depending on the display method.
+ *
+ * @param {string} url
+ * The URL to the source for the `PosterImage`.
+ */
+ ;
-/**
- * @file play-toggle.js
- */
-/**
- * Button to toggle between play and pause.
- *
- * @extends Button
- */
+ _proto.setSrc = function setSrc(url) {
+ var backgroundImage = ''; // Any falsy value should stay as an empty string, otherwise
+ // this will throw an extra error
-var PlayToggle = function (_Button) {
- inherits(PlayToggle, _Button);
+ if (url) {
+ backgroundImage = "url(\"" + url + "\")";
+ }
- /**
- * Creates an instance of this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
- *
- * @param {Object} [options]
- * The key/value store of player options.
- */
- function PlayToggle(player, options) {
- classCallCheck(this, PlayToggle);
+ this.el_.style.backgroundImage = backgroundImage;
+ }
+ /**
+ * An {@link EventTarget~EventListener} for clicks on the `PosterImage`. See
+ * {@link ClickableComponent#handleClick} for instances where this will be triggered.
+ *
+ * @listens tap
+ * @listens click
+ * @listens keydown
+ *
+ * @param {EventTarget~Event} event
+ + The `click`, `tap` or `keydown` event that caused this function to be called.
+ */
+ ;
- var _this = possibleConstructorReturn(this, _Button.call(this, player, options));
+ _proto.handleClick = function handleClick(event) {
+ // We don't want a click to trigger playback when controls are disabled
+ if (!this.player_.controls()) {
+ return;
+ }
- _this.on(player, 'play', _this.handlePlay);
- _this.on(player, 'pause', _this.handlePause);
- _this.on(player, 'ended', _this.handleEnded);
- return _this;
- }
+ var sourceIsEncrypted = this.player_.usingPlugin('eme') && this.player_.eme.sessions && this.player_.eme.sessions.length > 0;
- /**
- * Builds the default DOM `className`.
- *
- * @return {string}
- * The DOM `className` for this object.
- */
+ if (this.player_.tech(true) && // We've observed a bug in IE and Edge when playing back DRM content where
+ // calling .focus() on the video element causes the video to go black,
+ // so we avoid it in that specific case
+ !((IE_VERSION || IS_EDGE) && sourceIsEncrypted)) {
+ this.player_.tech(true).focus();
+ }
+
+ if (this.player_.paused()) {
+ silencePromise(this.player_.play());
+ } else {
+ this.player_.pause();
+ }
+ };
+ return PosterImage;
+ }(ClickableComponent);
- PlayToggle.prototype.buildCSSClass = function buildCSSClass() {
- return 'vjs-play-control ' + _Button.prototype.buildCSSClass.call(this);
- };
+ Component.registerComponent('PosterImage', PosterImage);
+ var darkGray = '#222';
+ var lightGray = '#ccc';
+ var fontMap = {
+ monospace: 'monospace',
+ sansSerif: 'sans-serif',
+ serif: 'serif',
+ monospaceSansSerif: '"Andale Mono", "Lucida Console", monospace',
+ monospaceSerif: '"Courier New", monospace',
+ proportionalSansSerif: 'sans-serif',
+ proportionalSerif: 'serif',
+ casual: '"Comic Sans MS", Impact, fantasy',
+ script: '"Monotype Corsiva", cursive',
+ smallcaps: '"Andale Mono", "Lucida Console", monospace, sans-serif'
+ };
/**
- * This gets called when an `PlayToggle` is "clicked". See
- * {@link ClickableComponent} for more detailed information on what a click can be.
+ * Construct an rgba color from a given hex color code.
+ *
+ * @param {number} color
+ * Hex number for color, like #f0e or #f604e2.
*
- * @param {EventTarget~Event} [event]
- * The `keydown`, `tap`, or `click` event that caused this function to be
- * called.
+ * @param {number} opacity
+ * Value for opacity, 0.0 - 1.0.
*
- * @listens tap
- * @listens click
+ * @return {string}
+ * The rgba color that was created, like 'rgba(255, 0, 0, 0.3)'.
*/
+ function constructColor(color, opacity) {
+ var hex;
- PlayToggle.prototype.handleClick = function handleClick(event) {
- if (this.player_.paused()) {
- this.player_.play();
+ if (color.length === 4) {
+ // color looks like "#f0e"
+ hex = color[1] + color[1] + color[2] + color[2] + color[3] + color[3];
+ } else if (color.length === 7) {
+ // color looks like "#f604e2"
+ hex = color.slice(1);
} else {
- this.player_.pause();
+ throw new Error('Invalid color code provided, ' + color + '; must be formatted as e.g. #f0e or #f604e2.');
}
- };
+ return 'rgba(' + parseInt(hex.slice(0, 2), 16) + ',' + parseInt(hex.slice(2, 4), 16) + ',' + parseInt(hex.slice(4, 6), 16) + ',' + opacity + ')';
+ }
/**
- * This gets called once after the video has ended and the user seeks so that
- * we can change the replay button back to a play button.
+ * Try to update the style of a DOM element. Some style changes will throw an error,
+ * particularly in IE8. Those should be noops.
*
- * @param {EventTarget~Event} [event]
- * The event that caused this function to run.
+ * @param {Element} el
+ * The DOM element to be styled.
*
- * @listens Player#seeked
+ * @param {string} style
+ * The CSS property on the element that should be styled.
+ *
+ * @param {string} rule
+ * The style rule that should be applied to the property.
+ *
+ * @private
*/
-
- PlayToggle.prototype.handleSeeked = function handleSeeked(event) {
- this.removeClass('vjs-ended');
-
- if (this.player_.paused()) {
- this.handlePause(event);
- } else {
- this.handlePlay(event);
+ function tryUpdateStyle(el, style, rule) {
+ try {
+ el.style[style] = rule;
+ } catch (e) {
+ // Satisfies linter.
+ return;
}
- };
-
+ }
/**
- * Add the vjs-playing class to the element so it can change appearance.
+ * The component for displaying text track cues.
*
- * @param {EventTarget~Event} [event]
- * The event that caused this function to run.
- *
- * @listens Player#play
+ * @extends Component
*/
- PlayToggle.prototype.handlePlay = function handlePlay(event) {
- this.removeClass('vjs-ended');
- this.removeClass('vjs-paused');
- this.addClass('vjs-playing');
- // change the button text to "Pause"
- this.controlText('Pause');
- };
+ var TextTrackDisplay = /*#__PURE__*/function (_Component) {
+ inheritsLoose(TextTrackDisplay, _Component);
- /**
- * Add the vjs-paused class to the element so it can change appearance.
- *
- * @param {EventTarget~Event} [event]
- * The event that caused this function to run.
- *
- * @listens Player#pause
- */
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ *
+ * @param {Component~ReadyCallback} [ready]
+ * The function to call when `TextTrackDisplay` is ready.
+ */
+ function TextTrackDisplay(player, options, ready) {
+ var _this;
+
+ _this = _Component.call(this, player, options, ready) || this;
+ var updateDisplayHandler = bind(assertThisInitialized(_this), _this.updateDisplay);
+ player.on('loadstart', bind(assertThisInitialized(_this), _this.toggleDisplay));
+ player.on('texttrackchange', updateDisplayHandler);
+ player.on('loadedmetadata', bind(assertThisInitialized(_this), _this.preselectTrack)); // This used to be called during player init, but was causing an error
+ // if a track should show by default and the display hadn't loaded yet.
+ // Should probably be moved to an external track loader when we support
+ // tracks that don't need a display.
+
+ player.ready(bind(assertThisInitialized(_this), function () {
+ if (player.tech_ && player.tech_.featuresNativeTextTracks) {
+ this.hide();
+ return;
+ }
+ player.on('fullscreenchange', updateDisplayHandler);
+ player.on('playerresize', updateDisplayHandler);
+ window$3.addEventListener('orientationchange', updateDisplayHandler);
+ player.on('dispose', function () {
+ return window$3.removeEventListener('orientationchange', updateDisplayHandler);
+ });
+ var tracks = this.options_.playerOptions.tracks || [];
- PlayToggle.prototype.handlePause = function handlePause(event) {
- this.removeClass('vjs-playing');
- this.addClass('vjs-paused');
- // change the button text to "Play"
- this.controlText('Play');
- };
+ for (var i = 0; i < tracks.length; i++) {
+ this.player_.addRemoteTextTrack(tracks[i], true);
+ }
- /**
- * Add the vjs-ended class to the element so it can change appearance
- *
- * @param {EventTarget~Event} [event]
- * The event that caused this function to run.
- *
- * @listens Player#ended
- */
+ this.preselectTrack();
+ }));
+ return _this;
+ }
+ /**
+ * Preselect a track following this precedence:
+ * - matches the previously selected {@link TextTrack}'s language and kind
+ * - matches the previously selected {@link TextTrack}'s language only
+ * - is the first default captions track
+ * - is the first default descriptions track
+ *
+ * @listens Player#loadstart
+ */
- PlayToggle.prototype.handleEnded = function handleEnded(event) {
- this.removeClass('vjs-playing');
- this.addClass('vjs-ended');
- // change the button text to "Replay"
- this.controlText('Replay');
+ var _proto = TextTrackDisplay.prototype;
- // on the next seek remove the replay button
- this.one(this.player_, 'seeked', this.handleSeeked);
- };
+ _proto.preselectTrack = function preselectTrack() {
+ var modes = {
+ captions: 1,
+ subtitles: 1
+ };
+ var trackList = this.player_.textTracks();
+ var userPref = this.player_.cache_.selectedLanguage;
+ var firstDesc;
+ var firstCaptions;
+ var preferredTrack;
+
+ for (var i = 0; i < trackList.length; i++) {
+ var track = trackList[i];
+
+ if (userPref && userPref.enabled && userPref.language && userPref.language === track.language && track.kind in modes) {
+ // Always choose the track that matches both language and kind
+ if (track.kind === userPref.kind) {
+ preferredTrack = track; // or choose the first track that matches language
+ } else if (!preferredTrack) {
+ preferredTrack = track;
+ } // clear everything if offTextTrackMenuItem was clicked
+
+ } else if (userPref && !userPref.enabled) {
+ preferredTrack = null;
+ firstDesc = null;
+ firstCaptions = null;
+ } else if (track["default"]) {
+ if (track.kind === 'descriptions' && !firstDesc) {
+ firstDesc = track;
+ } else if (track.kind in modes && !firstCaptions) {
+ firstCaptions = track;
+ }
+ }
+ } // The preferredTrack matches the user preference and takes
+ // precedence over all the other tracks.
+ // So, display the preferredTrack before the first default track
+ // and the subtitles/captions track before the descriptions track
+
+
+ if (preferredTrack) {
+ preferredTrack.mode = 'showing';
+ } else if (firstCaptions) {
+ firstCaptions.mode = 'showing';
+ } else if (firstDesc) {
+ firstDesc.mode = 'showing';
+ }
+ }
+ /**
+ * Turn display of {@link TextTrack}'s from the current state into the other state.
+ * There are only two states:
+ * - 'shown'
+ * - 'hidden'
+ *
+ * @listens Player#loadstart
+ */
+ ;
- return PlayToggle;
-}(Button);
+ _proto.toggleDisplay = function toggleDisplay() {
+ if (this.player_.tech_ && this.player_.tech_.featuresNativeTextTracks) {
+ this.hide();
+ } else {
+ this.show();
+ }
+ }
+ /**
+ * Create the {@link Component}'s DOM element.
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+ ;
+
+ _proto.createEl = function createEl() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-text-track-display'
+ }, {
+ 'aria-live': 'off',
+ 'aria-atomic': 'true'
+ });
+ }
+ /**
+ * Clear all displayed {@link TextTrack}s.
+ */
+ ;
-/**
- * The text that should display over the `PlayToggle`s controls. Added for localization.
- *
- * @type {string}
- * @private
- */
+ _proto.clearDisplay = function clearDisplay() {
+ if (typeof window$3.WebVTT === 'function') {
+ window$3.WebVTT.processCues(window$3, [], this.el_);
+ }
+ }
+ /**
+ * Update the displayed TextTrack when a either a {@link Player#texttrackchange} or
+ * a {@link Player#fullscreenchange} is fired.
+ *
+ * @listens Player#texttrackchange
+ * @listens Player#fullscreenchange
+ */
+ ;
+ _proto.updateDisplay = function updateDisplay() {
+ var tracks = this.player_.textTracks();
+ var allowMultipleShowingTracks = this.options_.allowMultipleShowingTracks;
+ this.clearDisplay();
-PlayToggle.prototype.controlText_ = 'Play';
+ if (allowMultipleShowingTracks) {
+ var showingTracks = [];
-Component.registerComponent('PlayToggle', PlayToggle);
+ for (var _i = 0; _i < tracks.length; ++_i) {
+ var track = tracks[_i];
-/**
- * @file format-time.js
- * @module Format-time
- */
+ if (track.mode !== 'showing') {
+ continue;
+ }
-/**
- * Format seconds as a time string, H:MM:SS or M:SS. Supplying a guide (in seconds)
- * will force a number of leading zeros to cover the length of the guide.
- *
- * @param {number} seconds
- * Number of seconds to be turned into a string
- *
- * @param {number} guide
- * Number (in seconds) to model the string after
- *
- * @return {string}
- * Time formatted as H:MM:SS or M:SS
- */
-function formatTime(seconds) {
- var guide = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : seconds;
-
- seconds = seconds < 0 ? 0 : seconds;
- var s = Math.floor(seconds % 60);
- var m = Math.floor(seconds / 60 % 60);
- var h = Math.floor(seconds / 3600);
- var gm = Math.floor(guide / 60 % 60);
- var gh = Math.floor(guide / 3600);
-
- // handle invalid times
- if (isNaN(seconds) || seconds === Infinity) {
- // '-' is false for all relational operators (e.g. <, >=) so this setting
- // will add the minimum number of fields specified by the guide
- h = m = s = '-';
- }
+ showingTracks.push(track);
+ }
- // Check if we need to show hours
- h = h > 0 || gh > 0 ? h + ':' : '';
+ this.updateForTrack(showingTracks);
+ return;
+ } // Track display prioritization model: if multiple tracks are 'showing',
+ // display the first 'subtitles' or 'captions' track which is 'showing',
+ // otherwise display the first 'descriptions' track which is 'showing'
- // If hours are showing, we may need to add a leading zero.
- // Always show at least one digit of minutes.
- m = ((h || gm >= 10) && m < 10 ? '0' + m : m) + ':';
- // Check if leading zero is need for seconds
- s = s < 10 ? '0' + s : s;
+ var descriptionsTrack = null;
+ var captionsSubtitlesTrack = null;
+ var i = tracks.length;
- return h + m + s;
-}
+ while (i--) {
+ var _track = tracks[i];
-/**
- * @file time-display.js
- */
-/**
- * Displays the time left in the video
- *
- * @extends Component
- */
+ if (_track.mode === 'showing') {
+ if (_track.kind === 'descriptions') {
+ descriptionsTrack = _track;
+ } else {
+ captionsSubtitlesTrack = _track;
+ }
+ }
+ }
-var TimeDisplay = function (_Component) {
- inherits(TimeDisplay, _Component);
+ if (captionsSubtitlesTrack) {
+ if (this.getAttribute('aria-live') !== 'off') {
+ this.setAttribute('aria-live', 'off');
+ }
- /**
- * Creates an instance of this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
- *
- * @param {Object} [options]
- * The key/value store of player options.
- */
- function TimeDisplay(player, options) {
- classCallCheck(this, TimeDisplay);
+ this.updateForTrack(captionsSubtitlesTrack);
+ } else if (descriptionsTrack) {
+ if (this.getAttribute('aria-live') !== 'assertive') {
+ this.setAttribute('aria-live', 'assertive');
+ }
- var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+ this.updateForTrack(descriptionsTrack);
+ }
+ }
+ /**
+ * Style {@Link TextTrack} activeCues according to {@Link TextTrackSettings}.
+ *
+ * @param {TextTrack} track
+ * Text track object containing active cues to style.
+ */
+ ;
- _this.throttledUpdateContent = throttle(bind(_this, _this.updateContent), 25);
- _this.on(player, 'timeupdate', _this.throttledUpdateContent);
- return _this;
- }
+ _proto.updateDisplayState = function updateDisplayState(track) {
+ var overrides = this.player_.textTrackSettings.getValues();
+ var cues = track.activeCues;
+ var i = cues.length;
- /**
- * Create the `Component`'s DOM element
- *
- * @return {Element}
- * The element that was created.
- */
+ while (i--) {
+ var cue = cues[i];
+ if (!cue) {
+ continue;
+ }
- TimeDisplay.prototype.createEl = function createEl$$1(plainName) {
- var className = this.buildCSSClass();
- var el = _Component.prototype.createEl.call(this, 'div', {
- className: className + ' vjs-time-control vjs-control'
- });
+ var cueDiv = cue.displayState;
- this.contentEl_ = createEl('div', {
- className: className + '-display'
- }, {
- // tell screen readers not to automatically read the time as it changes
- 'aria-live': 'off'
- }, createEl('span', {
- className: 'vjs-control-text',
- textContent: this.localize(this.controlText_)
- }));
+ if (overrides.color) {
+ cueDiv.firstChild.style.color = overrides.color;
+ }
- this.updateTextNode_();
- el.appendChild(this.contentEl_);
- return el;
- };
+ if (overrides.textOpacity) {
+ tryUpdateStyle(cueDiv.firstChild, 'color', constructColor(overrides.color || '#fff', overrides.textOpacity));
+ }
- TimeDisplay.prototype.dispose = function dispose() {
- this.contentEl_ = null;
- this.textNode_ = null;
+ if (overrides.backgroundColor) {
+ cueDiv.firstChild.style.backgroundColor = overrides.backgroundColor;
+ }
- _Component.prototype.dispose.call(this);
- };
+ if (overrides.backgroundOpacity) {
+ tryUpdateStyle(cueDiv.firstChild, 'backgroundColor', constructColor(overrides.backgroundColor || '#000', overrides.backgroundOpacity));
+ }
- /**
- * Updates the "remaining time" text node with new content using the
- * contents of the `formattedTime_` property.
- *
- * @private
- */
+ if (overrides.windowColor) {
+ if (overrides.windowOpacity) {
+ tryUpdateStyle(cueDiv, 'backgroundColor', constructColor(overrides.windowColor, overrides.windowOpacity));
+ } else {
+ cueDiv.style.backgroundColor = overrides.windowColor;
+ }
+ }
+ if (overrides.edgeStyle) {
+ if (overrides.edgeStyle === 'dropshadow') {
+ cueDiv.firstChild.style.textShadow = "2px 2px 3px " + darkGray + ", 2px 2px 4px " + darkGray + ", 2px 2px 5px " + darkGray;
+ } else if (overrides.edgeStyle === 'raised') {
+ cueDiv.firstChild.style.textShadow = "1px 1px " + darkGray + ", 2px 2px " + darkGray + ", 3px 3px " + darkGray;
+ } else if (overrides.edgeStyle === 'depressed') {
+ cueDiv.firstChild.style.textShadow = "1px 1px " + lightGray + ", 0 1px " + lightGray + ", -1px -1px " + darkGray + ", 0 -1px " + darkGray;
+ } else if (overrides.edgeStyle === 'uniform') {
+ cueDiv.firstChild.style.textShadow = "0 0 4px " + darkGray + ", 0 0 4px " + darkGray + ", 0 0 4px " + darkGray + ", 0 0 4px " + darkGray;
+ }
+ }
- TimeDisplay.prototype.updateTextNode_ = function updateTextNode_() {
- if (!this.contentEl_) {
- return;
- }
+ if (overrides.fontPercent && overrides.fontPercent !== 1) {
+ var fontSize = window$3.parseFloat(cueDiv.style.fontSize);
+ cueDiv.style.fontSize = fontSize * overrides.fontPercent + 'px';
+ cueDiv.style.height = 'auto';
+ cueDiv.style.top = 'auto';
+ cueDiv.style.bottom = '2px';
+ }
- while (this.contentEl_.firstChild) {
- this.contentEl_.removeChild(this.contentEl_.firstChild);
+ if (overrides.fontFamily && overrides.fontFamily !== 'default') {
+ if (overrides.fontFamily === 'small-caps') {
+ cueDiv.firstChild.style.fontVariant = 'small-caps';
+ } else {
+ cueDiv.firstChild.style.fontFamily = fontMap[overrides.fontFamily];
+ }
+ }
+ }
}
+ /**
+ * Add an {@link TextTrack} to to the {@link Tech}s {@link TextTrackList}.
+ *
+ * @param {TextTrack|TextTrack[]} tracks
+ * Text track object or text track array to be added to the list.
+ */
+ ;
- this.textNode_ = document_1.createTextNode(this.formattedTime_ || '0:00');
- this.contentEl_.appendChild(this.textNode_);
- };
+ _proto.updateForTrack = function updateForTrack(tracks) {
+ if (!Array.isArray(tracks)) {
+ tracks = [tracks];
+ }
- /**
- * Generates a formatted time for this component to use in display.
- *
- * @param {number} time
- * A numeric time, in seconds.
- *
- * @return {string}
- * A formatted time
- *
- * @private
- */
+ if (typeof window$3.WebVTT !== 'function' || tracks.every(function (track) {
+ return !track.activeCues;
+ })) {
+ return;
+ }
+ var cues = []; // push all active track cues
- TimeDisplay.prototype.formatTime_ = function formatTime_(time) {
- return formatTime(time);
- };
+ for (var i = 0; i < tracks.length; ++i) {
+ var track = tracks[i];
- /**
- * Updates the time display text node if it has what was passed in changed
- * the formatted time.
- *
- * @param {number} time
- * The time to update to
- *
- * @private
- */
+ for (var j = 0; j < track.activeCues.length; ++j) {
+ cues.push(track.activeCues[j]);
+ }
+ } // removes all cues before it processes new ones
- TimeDisplay.prototype.updateFormattedTime_ = function updateFormattedTime_(time) {
- var formattedTime = this.formatTime_(time);
+ window$3.WebVTT.processCues(window$3, cues, this.el_); // add unique class to each language text track & add settings styling if necessary
- if (formattedTime === this.formattedTime_) {
- return;
- }
+ for (var _i2 = 0; _i2 < tracks.length; ++_i2) {
+ var _track2 = tracks[_i2];
- this.formattedTime_ = formattedTime;
- this.requestAnimationFrame(this.updateTextNode_);
- };
+ for (var _j = 0; _j < _track2.activeCues.length; ++_j) {
+ var cueEl = _track2.activeCues[_j].displayState;
+ addClass(cueEl, 'vjs-text-track-cue');
+ addClass(cueEl, 'vjs-text-track-cue-' + (_track2.language ? _track2.language : _i2));
+ }
+
+ if (this.player_.textTrackSettings) {
+ this.updateDisplayState(_track2);
+ }
+ }
+ };
+
+ return TextTrackDisplay;
+ }(Component);
+
+ Component.registerComponent('TextTrackDisplay', TextTrackDisplay);
/**
- * To be filled out in the child class, should update the displayed time
- * in accordance with the fact that the current time has changed.
+ * A loading spinner for use during waiting/loading events.
*
- * @param {EventTarget~Event} [event]
- * The `timeupdate` event that caused this to run.
- *
- * @listens Player#timeupdate
+ * @extends Component
*/
+ var LoadingSpinner = /*#__PURE__*/function (_Component) {
+ inheritsLoose(LoadingSpinner, _Component);
- TimeDisplay.prototype.updateContent = function updateContent(event) {};
-
- return TimeDisplay;
-}(Component);
+ function LoadingSpinner() {
+ return _Component.apply(this, arguments) || this;
+ }
-/**
- * The text that should display over the `TimeDisplay`s controls. Added to for localization.
- *
- * @type {string}
- * @private
- */
+ var _proto = LoadingSpinner.prototype;
+ /**
+ * Create the `LoadingSpinner`s DOM element.
+ *
+ * @return {Element}
+ * The dom element that gets created.
+ */
+ _proto.createEl = function createEl$1() {
+ var isAudio = this.player_.isAudio();
+ var playerType = this.localize(isAudio ? 'Audio Player' : 'Video Player');
+ var controlText = createEl('span', {
+ className: 'vjs-control-text',
+ innerHTML: this.localize('{1} is loading.', [playerType])
+ });
-TimeDisplay.prototype.controlText_ = 'Time';
+ var el = _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-loading-spinner',
+ dir: 'ltr'
+ });
-Component.registerComponent('TimeDisplay', TimeDisplay);
+ el.appendChild(controlText);
+ return el;
+ };
-/**
- * @file current-time-display.js
- */
-/**
- * Displays the current time
- *
- * @extends Component
- */
+ return LoadingSpinner;
+ }(Component);
-var CurrentTimeDisplay = function (_TimeDisplay) {
- inherits(CurrentTimeDisplay, _TimeDisplay);
+ Component.registerComponent('LoadingSpinner', LoadingSpinner);
/**
- * Creates an instance of this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
+ * Base class for all buttons.
*
- * @param {Object} [options]
- * The key/value store of player options.
+ * @extends ClickableComponent
*/
- function CurrentTimeDisplay(player, options) {
- classCallCheck(this, CurrentTimeDisplay);
- var _this = possibleConstructorReturn(this, _TimeDisplay.call(this, player, options));
+ var Button = /*#__PURE__*/function (_ClickableComponent) {
+ inheritsLoose(Button, _ClickableComponent);
- _this.on(player, 'ended', _this.handleEnded);
- return _this;
- }
+ function Button() {
+ return _ClickableComponent.apply(this, arguments) || this;
+ }
- /**
- * Builds the default DOM `className`.
- *
- * @return {string}
- * The DOM `className` for this object.
- */
+ var _proto = Button.prototype;
+ /**
+ * Create the `Button`s DOM element.
+ *
+ * @param {string} [tag="button"]
+ * The element's node type. This argument is IGNORED: no matter what
+ * is passed, it will always create a `button` element.
+ *
+ * @param {Object} [props={}]
+ * An object of properties that should be set on the element.
+ *
+ * @param {Object} [attributes={}]
+ * An object of attributes that should be set on the element.
+ *
+ * @return {Element}
+ * The element that gets created.
+ */
+ _proto.createEl = function createEl(tag, props, attributes) {
+ if (props === void 0) {
+ props = {};
+ }
- CurrentTimeDisplay.prototype.buildCSSClass = function buildCSSClass() {
- return 'vjs-current-time';
- };
+ if (attributes === void 0) {
+ attributes = {};
+ }
- /**
- * Update current time display
- *
- * @param {EventTarget~Event} [event]
- * The `timeupdate` event that caused this function to run.
- *
- * @listens Player#timeupdate
- */
+ tag = 'button';
+ props = assign({
+ innerHTML: '<span aria-hidden="true" class="vjs-icon-placeholder"></span>',
+ className: this.buildCSSClass()
+ }, props); // Add attributes for button element
+ attributes = assign({
+ // Necessary since the default button type is "submit"
+ type: 'button'
+ }, attributes);
+ var el = Component.prototype.createEl.call(this, tag, props, attributes);
+ this.createControlTextEl(el);
+ return el;
+ }
+ /**
+ * Add a child `Component` inside of this `Button`.
+ *
+ * @param {string|Component} child
+ * The name or instance of a child to add.
+ *
+ * @param {Object} [options={}]
+ * The key/value store of options that will get passed to children of
+ * the child.
+ *
+ * @return {Component}
+ * The `Component` that gets added as a child. When using a string the
+ * `Component` will get created by this process.
+ *
+ * @deprecated since version 5
+ */
+ ;
- CurrentTimeDisplay.prototype.updateContent = function updateContent(event) {
- // Allows for smooth scrubbing, when player can't keep up.
- var time = this.player_.scrubbing() ? this.player_.getCache().currentTime : this.player_.currentTime();
+ _proto.addChild = function addChild(child, options) {
+ if (options === void 0) {
+ options = {};
+ }
- this.updateFormattedTime_(time);
- };
+ var className = this.constructor.name;
+ log.warn("Adding an actionable (user controllable) child to a Button (" + className + ") is not supported; use a ClickableComponent instead."); // Avoid the error message generated by ClickableComponent's addChild method
- /**
- * When the player fires ended there should be no time left. Sadly
- * this is not always the case, lets make it seem like that is the case
- * for users.
- *
- * @param {EventTarget~Event} [event]
- * The `ended` event that caused this to run.
- *
- * @listens Player#ended
- */
+ return Component.prototype.addChild.call(this, child, options);
+ }
+ /**
+ * Enable the `Button` element so that it can be activated or clicked. Use this with
+ * {@link Button#disable}.
+ */
+ ;
+ _proto.enable = function enable() {
+ _ClickableComponent.prototype.enable.call(this);
- CurrentTimeDisplay.prototype.handleEnded = function handleEnded(event) {
- if (!this.player_.duration()) {
- return;
+ this.el_.removeAttribute('disabled');
}
- this.updateFormattedTime_(this.player_.duration());
- };
-
- return CurrentTimeDisplay;
-}(TimeDisplay);
+ /**
+ * Disable the `Button` element so that it cannot be activated or clicked. Use this with
+ * {@link Button#enable}.
+ */
+ ;
-/**
- * The text that should display over the `CurrentTimeDisplay`s controls. Added to for localization.
- *
- * @type {string}
- * @private
- */
+ _proto.disable = function disable() {
+ _ClickableComponent.prototype.disable.call(this);
+ this.el_.setAttribute('disabled', 'disabled');
+ }
+ /**
+ * This gets called when a `Button` has focus and `keydown` is triggered via a key
+ * press.
+ *
+ * @param {EventTarget~Event} event
+ * The event that caused this function to get called.
+ *
+ * @listens keydown
+ */
+ ;
+
+ _proto.handleKeyDown = function handleKeyDown(event) {
+ // Ignore Space or Enter key operation, which is handled by the browser for
+ // a button - though not for its super class, ClickableComponent. Also,
+ // prevent the event from propagating through the DOM and triggering Player
+ // hotkeys. We do not preventDefault here because we _want_ the browser to
+ // handle it.
+ if (keycode.isEventKey(event, 'Space') || keycode.isEventKey(event, 'Enter')) {
+ event.stopPropagation();
+ return;
+ } // Pass keypress handling up for unsupported keys
-CurrentTimeDisplay.prototype.controlText_ = 'Current Time';
-Component.registerComponent('CurrentTimeDisplay', CurrentTimeDisplay);
+ _ClickableComponent.prototype.handleKeyDown.call(this, event);
+ };
-/**
- * @file duration-display.js
- */
-/**
- * Displays the duration
- *
- * @extends Component
- */
+ return Button;
+ }(ClickableComponent);
-var DurationDisplay = function (_TimeDisplay) {
- inherits(DurationDisplay, _TimeDisplay);
+ Component.registerComponent('Button', Button);
/**
- * Creates an instance of this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
+ * The initial play button that shows before the video has played. The hiding of the
+ * `BigPlayButton` get done via CSS and `Player` states.
*
- * @param {Object} [options]
- * The key/value store of player options.
+ * @extends Button
*/
- function DurationDisplay(player, options) {
- classCallCheck(this, DurationDisplay);
- // we do not want to/need to throttle duration changes,
- // as they should always display the changed duration as
- // it has changed
- var _this = possibleConstructorReturn(this, _TimeDisplay.call(this, player, options));
+ var BigPlayButton = /*#__PURE__*/function (_Button) {
+ inheritsLoose(BigPlayButton, _Button);
- _this.on(player, 'durationchange', _this.updateContent);
+ function BigPlayButton(player, options) {
+ var _this;
- // Also listen for timeupdate (in the parent) and loadedmetadata because removing those
- // listeners could have broken dependent applications/libraries. These
- // can likely be removed for 7.0.
- _this.on(player, 'loadedmetadata', _this.throttledUpdateContent);
- return _this;
- }
+ _this = _Button.call(this, player, options) || this;
+ _this.mouseused_ = false;
- /**
- * Builds the default DOM `className`.
- *
- * @return {string}
- * The DOM `className` for this object.
- */
+ _this.on('mousedown', _this.handleMouseDown);
+ return _this;
+ }
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object. Always returns 'vjs-big-play-button'.
+ */
- DurationDisplay.prototype.buildCSSClass = function buildCSSClass() {
- return 'vjs-duration';
- };
- /**
- * Update duration time display.
- *
- * @param {EventTarget~Event} [event]
- * The `durationchange`, `timeupdate`, or `loadedmetadata` event that caused
- * this function to be called.
- *
- * @listens Player#durationchange
- * @listens Player#timeupdate
- * @listens Player#loadedmetadata
- */
+ var _proto = BigPlayButton.prototype;
-
- DurationDisplay.prototype.updateContent = function updateContent(event) {
- var duration = this.player_.duration();
-
- if (duration && this.duration_ !== duration) {
- this.duration_ = duration;
- this.updateFormattedTime_(duration);
+ _proto.buildCSSClass = function buildCSSClass() {
+ return 'vjs-big-play-button';
}
- };
-
- return DurationDisplay;
-}(TimeDisplay);
-
-/**
- * The text that should display over the `DurationDisplay`s controls. Added to for localization.
- *
- * @type {string}
- * @private
- */
-
-
-DurationDisplay.prototype.controlText_ = 'Duration Time';
-
-Component.registerComponent('DurationDisplay', DurationDisplay);
-
-/**
- * @file time-divider.js
- */
-/**
- * The separator between the current time and duration.
- * Can be hidden if it's not needed in the design.
- *
- * @extends Component
- */
-
-var TimeDivider = function (_Component) {
- inherits(TimeDivider, _Component);
-
- function TimeDivider() {
- classCallCheck(this, TimeDivider);
- return possibleConstructorReturn(this, _Component.apply(this, arguments));
- }
+ /**
+ * This gets called when a `BigPlayButton` "clicked". See {@link ClickableComponent}
+ * for more detailed information on what a click can be.
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
+ ;
- /**
- * Create the component's DOM element
- *
- * @return {Element}
- * The element that was created.
- */
- TimeDivider.prototype.createEl = function createEl() {
- return _Component.prototype.createEl.call(this, 'div', {
- className: 'vjs-time-control vjs-time-divider',
- innerHTML: '<div><span>/</span></div>'
- });
- };
+ _proto.handleClick = function handleClick(event) {
+ var playPromise = this.player_.play(); // exit early if clicked via the mouse
- return TimeDivider;
-}(Component);
+ if (this.mouseused_ && event.clientX && event.clientY) {
+ var sourceIsEncrypted = this.player_.usingPlugin('eme') && this.player_.eme.sessions && this.player_.eme.sessions.length > 0;
+ silencePromise(playPromise);
-Component.registerComponent('TimeDivider', TimeDivider);
+ if (this.player_.tech(true) && // We've observed a bug in IE and Edge when playing back DRM content where
+ // calling .focus() on the video element causes the video to go black,
+ // so we avoid it in that specific case
+ !((IE_VERSION || IS_EDGE) && sourceIsEncrypted)) {
+ this.player_.tech(true).focus();
+ }
-/**
- * @file remaining-time-display.js
- */
-/**
- * Displays the time left in the video
- *
- * @extends Component
- */
+ return;
+ }
-var RemainingTimeDisplay = function (_TimeDisplay) {
- inherits(RemainingTimeDisplay, _TimeDisplay);
+ var cb = this.player_.getChild('controlBar');
+ var playToggle = cb && cb.getChild('playToggle');
- /**
- * Creates an instance of this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
- *
- * @param {Object} [options]
- * The key/value store of player options.
- */
- function RemainingTimeDisplay(player, options) {
- classCallCheck(this, RemainingTimeDisplay);
+ if (!playToggle) {
+ this.player_.tech(true).focus();
+ return;
+ }
- var _this = possibleConstructorReturn(this, _TimeDisplay.call(this, player, options));
+ var playFocus = function playFocus() {
+ return playToggle.focus();
+ };
- _this.on(player, 'durationchange', _this.throttledUpdateContent);
- _this.on(player, 'ended', _this.handleEnded);
- return _this;
- }
+ if (isPromise(playPromise)) {
+ playPromise.then(playFocus, function () {});
+ } else {
+ this.setTimeout(playFocus, 1);
+ }
+ };
- /**
- * Builds the default DOM `className`.
- *
- * @return {string}
- * The DOM `className` for this object.
- */
+ _proto.handleKeyDown = function handleKeyDown(event) {
+ this.mouseused_ = false;
+ _Button.prototype.handleKeyDown.call(this, event);
+ };
- RemainingTimeDisplay.prototype.buildCSSClass = function buildCSSClass() {
- return 'vjs-remaining-time';
- };
+ _proto.handleMouseDown = function handleMouseDown(event) {
+ this.mouseused_ = true;
+ };
+ return BigPlayButton;
+ }(Button);
/**
- * The remaining time display prefixes numbers with a "minus" character.
- *
- * @param {number} time
- * A numeric time, in seconds.
- *
- * @return {string}
- * A formatted time
+ * The text that should display over the `BigPlayButton`s controls. Added to for localization.
*
+ * @type {string}
* @private
*/
- RemainingTimeDisplay.prototype.formatTime_ = function formatTime_(time) {
- return '-' + _TimeDisplay.prototype.formatTime_.call(this, time);
- };
+ BigPlayButton.prototype.controlText_ = 'Play Video';
+ Component.registerComponent('BigPlayButton', BigPlayButton);
/**
- * Update remaining time display.
- *
- * @param {EventTarget~Event} [event]
- * The `timeupdate` or `durationchange` event that caused this to run.
+ * The `CloseButton` is a `{@link Button}` that fires a `close` event when
+ * it gets clicked.
*
- * @listens Player#timeupdate
- * @listens Player#durationchange
+ * @extends Button
*/
+ var CloseButton = /*#__PURE__*/function (_Button) {
+ inheritsLoose(CloseButton, _Button);
- RemainingTimeDisplay.prototype.updateContent = function updateContent(event) {
- if (!this.player_.duration()) {
- return;
- }
-
- // @deprecated We should only use remainingTimeDisplay
- // as of video.js 7
- if (this.player_.remainingTimeDisplay) {
- this.updateFormattedTime_(this.player_.remainingTimeDisplay());
- } else {
- this.updateFormattedTime_(this.player_.remainingTime());
- }
- };
+ /**
+ * Creates an instance of the this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function CloseButton(player, options) {
+ var _this;
- /**
- * When the player fires ended there should be no time left. Sadly
- * this is not always the case, lets make it seem like that is the case
- * for users.
- *
- * @param {EventTarget~Event} [event]
- * The `ended` event that caused this to run.
- *
- * @listens Player#ended
- */
+ _this = _Button.call(this, player, options) || this;
+ _this.controlText(options && options.controlText || _this.localize('Close'));
- RemainingTimeDisplay.prototype.handleEnded = function handleEnded(event) {
- if (!this.player_.duration()) {
- return;
+ return _this;
}
- this.updateFormattedTime_(0);
- };
-
- return RemainingTimeDisplay;
-}(TimeDisplay);
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
-/**
- * The text that should display over the `RemainingTimeDisplay`s controls. Added to for localization.
- *
- * @type {string}
- * @private
- */
+ var _proto = CloseButton.prototype;
-RemainingTimeDisplay.prototype.controlText_ = 'Remaining Time';
+ _proto.buildCSSClass = function buildCSSClass() {
+ return "vjs-close-button " + _Button.prototype.buildCSSClass.call(this);
+ }
+ /**
+ * This gets called when a `CloseButton` gets clicked. See
+ * {@link ClickableComponent#handleClick} for more information on when
+ * this will be triggered
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ * @fires CloseButton#close
+ */
+ ;
-Component.registerComponent('RemainingTimeDisplay', RemainingTimeDisplay);
+ _proto.handleClick = function handleClick(event) {
+ /**
+ * Triggered when the a `CloseButton` is clicked.
+ *
+ * @event CloseButton#close
+ * @type {EventTarget~Event}
+ *
+ * @property {boolean} [bubbles=false]
+ * set to false so that the close event does not
+ * bubble up to parents if there is no listener
+ */
+ this.trigger({
+ type: 'close',
+ bubbles: false
+ });
+ }
+ /**
+ * Event handler that is called when a `CloseButton` receives a
+ * `keydown` event.
+ *
+ * By default, if the key is Esc, it will trigger a `click` event.
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown` event that caused this function to be called.
+ *
+ * @listens keydown
+ */
+ ;
-/**
- * @file live-display.js
- */
-// TODO - Future make it click to snap to live
+ _proto.handleKeyDown = function handleKeyDown(event) {
+ // Esc button will trigger `click` event
+ if (keycode.isEventKey(event, 'Esc')) {
+ event.preventDefault();
+ event.stopPropagation();
+ this.trigger('click');
+ } else {
+ // Pass keypress handling up for unsupported keys
+ _Button.prototype.handleKeyDown.call(this, event);
+ }
+ };
-/**
- * Displays the live indicator when duration is Infinity.
- *
- * @extends Component
- */
+ return CloseButton;
+ }(Button);
-var LiveDisplay = function (_Component) {
- inherits(LiveDisplay, _Component);
+ Component.registerComponent('CloseButton', CloseButton);
/**
- * Creates an instance of this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
+ * Button to toggle between play and pause.
*
- * @param {Object} [options]
- * The key/value store of player options.
+ * @extends Button
*/
- function LiveDisplay(player, options) {
- classCallCheck(this, LiveDisplay);
- var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+ var PlayToggle = /*#__PURE__*/function (_Button) {
+ inheritsLoose(PlayToggle, _Button);
- _this.updateShowing();
- _this.on(_this.player(), 'durationchange', _this.updateShowing);
- return _this;
- }
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options={}]
+ * The key/value store of player options.
+ */
+ function PlayToggle(player, options) {
+ var _this;
- /**
- * Create the `Component`'s DOM element
- *
- * @return {Element}
- * The element that was created.
- */
+ if (options === void 0) {
+ options = {};
+ }
+ _this = _Button.call(this, player, options) || this; // show or hide replay icon
- LiveDisplay.prototype.createEl = function createEl$$1() {
- var el = _Component.prototype.createEl.call(this, 'div', {
- className: 'vjs-live-control vjs-control'
- });
+ options.replay = options.replay === undefined || options.replay;
- this.contentEl_ = createEl('div', {
- className: 'vjs-live-display',
- innerHTML: '<span class="vjs-control-text">' + this.localize('Stream Type') + '</span>' + this.localize('LIVE')
- }, {
- 'aria-live': 'off'
- });
+ _this.on(player, 'play', _this.handlePlay);
- el.appendChild(this.contentEl_);
- return el;
- };
+ _this.on(player, 'pause', _this.handlePause);
- LiveDisplay.prototype.dispose = function dispose() {
- this.contentEl_ = null;
+ if (options.replay) {
+ _this.on(player, 'ended', _this.handleEnded);
+ }
- _Component.prototype.dispose.call(this);
- };
+ return _this;
+ }
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
- /**
- * Check the duration to see if the LiveDisplay should be showing or not. Then show/hide
- * it accordingly
- *
- * @param {EventTarget~Event} [event]
- * The {@link Player#durationchange} event that caused this function to run.
- *
- * @listens Player#durationchange
- */
+ var _proto = PlayToggle.prototype;
- LiveDisplay.prototype.updateShowing = function updateShowing(event) {
- if (this.player().duration() === Infinity) {
- this.show();
- } else {
- this.hide();
+ _proto.buildCSSClass = function buildCSSClass() {
+ return "vjs-play-control " + _Button.prototype.buildCSSClass.call(this);
}
- };
+ /**
+ * This gets called when an `PlayToggle` is "clicked". See
+ * {@link ClickableComponent} for more detailed information on what a click can be.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
+ ;
- return LiveDisplay;
-}(Component);
+ _proto.handleClick = function handleClick(event) {
+ if (this.player_.paused()) {
+ this.player_.play();
+ } else {
+ this.player_.pause();
+ }
+ }
+ /**
+ * This gets called once after the video has ended and the user seeks so that
+ * we can change the replay button back to a play button.
+ *
+ * @param {EventTarget~Event} [event]
+ * The event that caused this function to run.
+ *
+ * @listens Player#seeked
+ */
+ ;
-Component.registerComponent('LiveDisplay', LiveDisplay);
+ _proto.handleSeeked = function handleSeeked(event) {
+ this.removeClass('vjs-ended');
-/**
- * @file slider.js
- */
-/**
- * The base functionality for a slider. Can be vertical or horizontal.
- * For instance the volume bar or the seek bar on a video is a slider.
- *
- * @extends Component
- */
+ if (this.player_.paused()) {
+ this.handlePause(event);
+ } else {
+ this.handlePlay(event);
+ }
+ }
+ /**
+ * Add the vjs-playing class to the element so it can change appearance.
+ *
+ * @param {EventTarget~Event} [event]
+ * The event that caused this function to run.
+ *
+ * @listens Player#play
+ */
+ ;
-var Slider = function (_Component) {
- inherits(Slider, _Component);
+ _proto.handlePlay = function handlePlay(event) {
+ this.removeClass('vjs-ended');
+ this.removeClass('vjs-paused');
+ this.addClass('vjs-playing'); // change the button text to "Pause"
- /**
- * Create an instance of this class
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
- *
- * @param {Object} [options]
- * The key/value store of player options.
- */
- function Slider(player, options) {
- classCallCheck(this, Slider);
+ this.controlText('Pause');
+ }
+ /**
+ * Add the vjs-paused class to the element so it can change appearance.
+ *
+ * @param {EventTarget~Event} [event]
+ * The event that caused this function to run.
+ *
+ * @listens Player#pause
+ */
+ ;
+
+ _proto.handlePause = function handlePause(event) {
+ this.removeClass('vjs-playing');
+ this.addClass('vjs-paused'); // change the button text to "Play"
- // Set property names to bar to match with the child Slider class is looking for
- var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+ this.controlText('Play');
+ }
+ /**
+ * Add the vjs-ended class to the element so it can change appearance
+ *
+ * @param {EventTarget~Event} [event]
+ * The event that caused this function to run.
+ *
+ * @listens Player#ended
+ */
+ ;
- _this.bar = _this.getChild(_this.options_.barName);
+ _proto.handleEnded = function handleEnded(event) {
+ this.removeClass('vjs-playing');
+ this.addClass('vjs-ended'); // change the button text to "Replay"
- // Set a horizontal or vertical class on the slider depending on the slider type
- _this.vertical(!!_this.options_.vertical);
+ this.controlText('Replay'); // on the next seek remove the replay button
- _this.enable();
- return _this;
- }
+ this.one(this.player_, 'seeked', this.handleSeeked);
+ };
+ return PlayToggle;
+ }(Button);
/**
- * Are controls are currently enabled for this slider or not.
+ * The text that should display over the `PlayToggle`s controls. Added for localization.
*
- * @return {boolean}
- * true if controls are enabled, false otherwise
+ * @type {string}
+ * @private
*/
- Slider.prototype.enabled = function enabled() {
- return this.enabled_;
- };
+ PlayToggle.prototype.controlText_ = 'Play';
+ Component.registerComponent('PlayToggle', PlayToggle);
/**
- * Enable controls for this slider if they are disabled
+ * @file format-time.js
+ * @module format-time
*/
+ /**
+ * Format seconds as a time string, H:MM:SS or M:SS. Supplying a guide (in
+ * seconds) will force a number of leading zeros to cover the length of the
+ * guide.
+ *
+ * @private
+ * @param {number} seconds
+ * Number of seconds to be turned into a string
+ *
+ * @param {number} guide
+ * Number (in seconds) to model the string after
+ *
+ * @return {string}
+ * Time formatted as H:MM:SS or M:SS
+ */
+ var defaultImplementation = function defaultImplementation(seconds, guide) {
+ seconds = seconds < 0 ? 0 : seconds;
+ var s = Math.floor(seconds % 60);
+ var m = Math.floor(seconds / 60 % 60);
+ var h = Math.floor(seconds / 3600);
+ var gm = Math.floor(guide / 60 % 60);
+ var gh = Math.floor(guide / 3600); // handle invalid times
- Slider.prototype.enable = function enable() {
- if (this.enabled()) {
- return;
- }
+ if (isNaN(seconds) || seconds === Infinity) {
+ // '-' is false for all relational operators (e.g. <, >=) so this setting
+ // will add the minimum number of fields specified by the guide
+ h = m = s = '-';
+ } // Check if we need to show hours
- this.on('mousedown', this.handleMouseDown);
- this.on('touchstart', this.handleMouseDown);
- this.on('focus', this.handleFocus);
- this.on('blur', this.handleBlur);
- this.on('click', this.handleClick);
- this.on(this.player_, 'controlsvisible', this.update);
+ h = h > 0 || gh > 0 ? h + ':' : ''; // If hours are showing, we may need to add a leading zero.
+ // Always show at least one digit of minutes.
- if (this.playerEvent) {
- this.on(this.player_, this.playerEvent, this.update);
- }
+ m = ((h || gm >= 10) && m < 10 ? '0' + m : m) + ':'; // Check if leading zero is need for seconds
- this.removeClass('disabled');
- this.setAttribute('tabindex', 0);
+ s = s < 10 ? '0' + s : s;
+ return h + m + s;
+ }; // Internal pointer to the current implementation.
- this.enabled_ = true;
- };
+ var implementation = defaultImplementation;
/**
- * Disable controls for this slider if they are enabled
+ * Replaces the default formatTime implementation with a custom implementation.
+ *
+ * @param {Function} customImplementation
+ * A function which will be used in place of the default formatTime
+ * implementation. Will receive the current time in seconds and the
+ * guide (in seconds) as arguments.
*/
+ function setFormatTime(customImplementation) {
+ implementation = customImplementation;
+ }
+ /**
+ * Resets formatTime to the default implementation.
+ */
- Slider.prototype.disable = function disable() {
- if (!this.enabled()) {
- return;
- }
- var doc = this.bar.el_.ownerDocument;
-
- this.off('mousedown', this.handleMouseDown);
- this.off('touchstart', this.handleMouseDown);
- this.off('focus', this.handleFocus);
- this.off('blur', this.handleBlur);
- this.off('click', this.handleClick);
- this.off(this.player_, 'controlsvisible', this.update);
- this.off(doc, 'mousemove', this.handleMouseMove);
- this.off(doc, 'mouseup', this.handleMouseUp);
- this.off(doc, 'touchmove', this.handleMouseMove);
- this.off(doc, 'touchend', this.handleMouseUp);
- this.removeAttribute('tabindex');
-
- this.addClass('disabled');
-
- if (this.playerEvent) {
- this.off(this.player_, this.playerEvent, this.update);
- }
- this.enabled_ = false;
- };
-
+ function resetFormatTime() {
+ implementation = defaultImplementation;
+ }
/**
- * Create the `Button`s DOM element.
+ * Delegates to either the default time formatting function or a custom
+ * function supplied via `setFormatTime`.
*
- * @param {string} type
- * Type of element to create.
+ * Formats seconds as a time string (H:MM:SS or M:SS). Supplying a
+ * guide (in seconds) will force a number of leading zeros to cover the
+ * length of the guide.
*
- * @param {Object} [props={}]
- * List of properties in Object form.
+ * @static
+ * @example formatTime(125, 600) === "02:05"
+ * @param {number} seconds
+ * Number of seconds to be turned into a string
*
- * @param {Object} [attributes={}]
- * list of attributes in Object form.
+ * @param {number} guide
+ * Number (in seconds) to model the string after
*
- * @return {Element}
- * The element that gets created.
+ * @return {string}
+ * Time formatted as H:MM:SS or M:SS
*/
+ function formatTime(seconds, guide) {
+ if (guide === void 0) {
+ guide = seconds;
+ }
- Slider.prototype.createEl = function createEl$$1(type) {
- var props = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
- var attributes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
-
- // Add the slider element class to all sub classes
- props.className = props.className + ' vjs-slider';
- props = assign({
- tabIndex: 0
- }, props);
-
- attributes = assign({
- 'role': 'slider',
- 'aria-valuenow': 0,
- 'aria-valuemin': 0,
- 'aria-valuemax': 100,
- 'tabIndex': 0
- }, attributes);
-
- return _Component.prototype.createEl.call(this, type, props, attributes);
- };
+ return implementation(seconds, guide);
+ }
/**
- * Handle `mousedown` or `touchstart` events on the `Slider`.
+ * Displays time information about the video
*
- * @param {EventTarget~Event} event
- * `mousedown` or `touchstart` event that triggered this function
- *
- * @listens mousedown
- * @listens touchstart
- * @fires Slider#slideractive
+ * @extends Component
*/
+ var TimeDisplay = /*#__PURE__*/function (_Component) {
+ inheritsLoose(TimeDisplay, _Component);
- Slider.prototype.handleMouseDown = function handleMouseDown(event) {
- var doc = this.bar.el_.ownerDocument;
-
- event.preventDefault();
- blockTextSelection();
-
- this.addClass('vjs-sliding');
/**
- * Triggered when the slider is in an active state
+ * Creates an instance of this class.
*
- * @event Slider#slideractive
- * @type {EventTarget~Event}
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
*/
- this.trigger('slideractive');
+ function TimeDisplay(player, options) {
+ var _this;
- this.on(doc, 'mousemove', this.handleMouseMove);
- this.on(doc, 'mouseup', this.handleMouseUp);
- this.on(doc, 'touchmove', this.handleMouseMove);
- this.on(doc, 'touchend', this.handleMouseUp);
+ _this = _Component.call(this, player, options) || this;
- this.handleMouseMove(event);
- };
+ _this.on(player, ['timeupdate', 'ended'], _this.updateContent);
- /**
- * Handle the `mousemove`, `touchmove`, and `mousedown` events on this `Slider`.
- * The `mousemove` and `touchmove` events will only only trigger this function during
- * `mousedown` and `touchstart`. This is due to {@link Slider#handleMouseDown} and
- * {@link Slider#handleMouseUp}.
- *
- * @param {EventTarget~Event} event
- * `mousedown`, `mousemove`, `touchstart`, or `touchmove` event that triggered
- * this function
- *
- * @listens mousemove
- * @listens touchmove
- */
+ _this.updateTextNode_();
+ return _this;
+ }
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
- Slider.prototype.handleMouseMove = function handleMouseMove(event) {};
- /**
- * Handle `mouseup` or `touchend` events on the `Slider`.
- *
- * @param {EventTarget~Event} event
- * `mouseup` or `touchend` event that triggered this function.
- *
- * @listens touchend
- * @listens mouseup
- * @fires Slider#sliderinactive
- */
+ var _proto = TimeDisplay.prototype;
+
+ _proto.createEl = function createEl$1() {
+ var className = this.buildCSSClass();
+ var el = _Component.prototype.createEl.call(this, 'div', {
+ className: className + " vjs-time-control vjs-control",
+ innerHTML: "<span class=\"vjs-control-text\" role=\"presentation\">" + this.localize(this.labelText_) + "\xA0</span>"
+ });
- Slider.prototype.handleMouseUp = function handleMouseUp() {
- var doc = this.bar.el_.ownerDocument;
+ this.contentEl_ = createEl('span', {
+ className: className + "-display"
+ }, {
+ // tell screen readers not to automatically read the time as it changes
+ 'aria-live': 'off',
+ // span elements have no implicit role, but some screen readers (notably VoiceOver)
+ // treat them as a break between items in the DOM when using arrow keys
+ // (or left-to-right swipes on iOS) to read contents of a page. Using
+ // role='presentation' causes VoiceOver to NOT treat this span as a break.
+ 'role': 'presentation'
+ });
+ el.appendChild(this.contentEl_);
+ return el;
+ };
- unblockTextSelection();
+ _proto.dispose = function dispose() {
+ this.contentEl_ = null;
+ this.textNode_ = null;
- this.removeClass('vjs-sliding');
+ _Component.prototype.dispose.call(this);
+ }
/**
- * Triggered when the slider is no longer in an active state.
+ * Updates the time display text node with a new time
*
- * @event Slider#sliderinactive
- * @type {EventTarget~Event}
+ * @param {number} [time=0] the time to update to
+ *
+ * @private
*/
- this.trigger('sliderinactive');
+ ;
- this.off(doc, 'mousemove', this.handleMouseMove);
- this.off(doc, 'mouseup', this.handleMouseUp);
- this.off(doc, 'touchmove', this.handleMouseMove);
- this.off(doc, 'touchend', this.handleMouseUp);
+ _proto.updateTextNode_ = function updateTextNode_(time) {
+ var _this2 = this;
- this.update();
- };
+ if (time === void 0) {
+ time = 0;
+ }
- /**
- * Update the progress bar of the `Slider`.
- *
- * @returns {number}
- * The percentage of progress the progress bar represents as a
- * number from 0 to 1.
- */
+ time = formatTime(time);
+ if (this.formattedTime_ === time) {
+ return;
+ }
- Slider.prototype.update = function update() {
-
- // In VolumeBar init we have a setTimeout for update that pops and update
- // to the end of the execution stack. The player is destroyed before then
- // update will cause an error
- if (!this.el_) {
- return;
- }
-
- // If scrubbing, we could use a cached value to make the handle keep up
- // with the user's mouse. On HTML5 browsers scrubbing is really smooth, but
- // some flash players are slow, so we might want to utilize this later.
- // var progress = (this.player_.scrubbing()) ? this.player_.getCache().currentTime / this.player_.duration() : this.player_.currentTime() / this.player_.duration();
- var progress = this.getPercent();
- var bar = this.bar;
-
- // If there's no bar...
- if (!bar) {
- return;
- }
+ this.formattedTime_ = time;
+ this.requestAnimationFrame(function () {
+ if (!_this2.contentEl_) {
+ return;
+ }
- // Protect against no duration and other division issues
- if (typeof progress !== 'number' || progress !== progress || progress < 0 || progress === Infinity) {
- progress = 0;
- }
+ var oldNode = _this2.textNode_;
+ _this2.textNode_ = document.createTextNode(_this2.formattedTime_);
- // Convert to a percentage for setting
- var percentage = (progress * 100).toFixed(2) + '%';
- var style = bar.el().style;
+ if (!_this2.textNode_) {
+ return;
+ }
- // Set the new bar width or height
- if (this.vertical()) {
- style.height = percentage;
- } else {
- style.width = percentage;
+ if (oldNode) {
+ _this2.contentEl_.replaceChild(_this2.textNode_, oldNode);
+ } else {
+ _this2.contentEl_.appendChild(_this2.textNode_);
+ }
+ });
}
+ /**
+ * To be filled out in the child class, should update the displayed time
+ * in accordance with the fact that the current time has changed.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `timeupdate` event that caused this to run.
+ *
+ * @listens Player#timeupdate
+ */
+ ;
- return progress;
- };
+ _proto.updateContent = function updateContent(event) {};
+ return TimeDisplay;
+ }(Component);
/**
- * Calculate distance for slider
- *
- * @param {EventTarget~Event} event
- * The event that caused this function to run.
+ * The text that is added to the `TimeDisplay` for screen reader users.
*
- * @return {number}
- * The current position of the Slider.
- * - postition.x for vertical `Slider`s
- * - postition.y for horizontal `Slider`s
+ * @type {string}
+ * @private
*/
- Slider.prototype.calculateDistance = function calculateDistance(event) {
- var position = getPointerPosition(this.el_, event);
-
- if (this.vertical()) {
- return position.y;
- }
- return position.x;
- };
-
+ TimeDisplay.prototype.labelText_ = 'Time';
/**
- * Handle a `focus` event on this `Slider`.
+ * The text that should display over the `TimeDisplay`s controls. Added to for localization.
*
- * @param {EventTarget~Event} event
- * The `focus` event that caused this function to run.
+ * @type {string}
+ * @private
*
- * @listens focus
+ * @deprecated in v7; controlText_ is not used in non-active display Components
*/
-
- Slider.prototype.handleFocus = function handleFocus() {
- this.on(this.bar.el_.ownerDocument, 'keydown', this.handleKeyPress);
- };
+ TimeDisplay.prototype.controlText_ = 'Time';
+ Component.registerComponent('TimeDisplay', TimeDisplay);
/**
- * Handle a `keydown` event on the `Slider`. Watches for left, rigth, up, and down
- * arrow keys. This function will only be called when the slider has focus. See
- * {@link Slider#handleFocus} and {@link Slider#handleBlur}.
- *
- * @param {EventTarget~Event} event
- * the `keydown` event that caused this function to run.
+ * Displays the current time
*
- * @listens keydown
+ * @extends Component
*/
+ var CurrentTimeDisplay = /*#__PURE__*/function (_TimeDisplay) {
+ inheritsLoose(CurrentTimeDisplay, _TimeDisplay);
- Slider.prototype.handleKeyPress = function handleKeyPress(event) {
- // Left and Down Arrows
- if (event.which === 37 || event.which === 40) {
- event.preventDefault();
- this.stepBack();
+ function CurrentTimeDisplay() {
+ return _TimeDisplay.apply(this, arguments) || this;
+ }
- // Up and Right Arrows
- } else if (event.which === 38 || event.which === 39) {
- event.preventDefault();
- this.stepForward();
+ var _proto = CurrentTimeDisplay.prototype;
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+ _proto.buildCSSClass = function buildCSSClass() {
+ return 'vjs-current-time';
}
- };
+ /**
+ * Update current time display
+ *
+ * @param {EventTarget~Event} [event]
+ * The `timeupdate` event that caused this function to run.
+ *
+ * @listens Player#timeupdate
+ */
+ ;
+
+ _proto.updateContent = function updateContent(event) {
+ // Allows for smooth scrubbing, when player can't keep up.
+ var time;
+ if (this.player_.ended()) {
+ time = this.player_.duration();
+ } else {
+ time = this.player_.scrubbing() ? this.player_.getCache().currentTime : this.player_.currentTime();
+ }
+
+ this.updateTextNode_(time);
+ };
+
+ return CurrentTimeDisplay;
+ }(TimeDisplay);
/**
- * Handle a `blur` event on this `Slider`.
- *
- * @param {EventTarget~Event} event
- * The `blur` event that caused this function to run.
+ * The text that is added to the `CurrentTimeDisplay` for screen reader users.
*
- * @listens blur
+ * @type {string}
+ * @private
*/
- Slider.prototype.handleBlur = function handleBlur() {
- this.off(this.bar.el_.ownerDocument, 'keydown', this.handleKeyPress);
- };
+ CurrentTimeDisplay.prototype.labelText_ = 'Current Time';
/**
- * Listener for click events on slider, used to prevent clicks
- * from bubbling up to parent elements like button menus.
+ * The text that should display over the `CurrentTimeDisplay`s controls. Added to for localization.
*
- * @param {Object} event
- * Event that caused this object to run
+ * @type {string}
+ * @private
+ *
+ * @deprecated in v7; controlText_ is not used in non-active display Components
*/
-
- Slider.prototype.handleClick = function handleClick(event) {
- event.stopImmediatePropagation();
- event.preventDefault();
- };
+ CurrentTimeDisplay.prototype.controlText_ = 'Current Time';
+ Component.registerComponent('CurrentTimeDisplay', CurrentTimeDisplay);
/**
- * Get/set if slider is horizontal for vertical
+ * Displays the duration
*
- * @param {boolean} [bool]
- * - true if slider is vertical,
- * - false is horizontal
- *
- * @return {boolean}
- * - true if slider is vertical, and getting
- * - false if the slider is horizontal, and getting
+ * @extends Component
*/
+ var DurationDisplay = /*#__PURE__*/function (_TimeDisplay) {
+ inheritsLoose(DurationDisplay, _TimeDisplay);
- Slider.prototype.vertical = function vertical(bool) {
- if (bool === undefined) {
- return this.vertical_ || false;
- }
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function DurationDisplay(player, options) {
+ var _this;
- this.vertical_ = !!bool;
+ _this = _TimeDisplay.call(this, player, options) || this; // we do not want to/need to throttle duration changes,
+ // as they should always display the changed duration as
+ // it has changed
- if (this.vertical_) {
- this.addClass('vjs-slider-vertical');
- } else {
- this.addClass('vjs-slider-horizontal');
+ _this.on(player, 'durationchange', _this.updateContent); // Listen to loadstart because the player duration is reset when a new media element is loaded,
+ // but the durationchange on the user agent will not fire.
+ // @see [Spec]{@link https://www.w3.org/TR/2011/WD-html5-20110113/video.html#media-element-load-algorithm}
+
+
+ _this.on(player, 'loadstart', _this.updateContent); // Also listen for timeupdate (in the parent) and loadedmetadata because removing those
+ // listeners could have broken dependent applications/libraries. These
+ // can likely be removed for 7.0.
+
+
+ _this.on(player, 'loadedmetadata', _this.updateContent);
+
+ return _this;
}
- };
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
- return Slider;
-}(Component);
-Component.registerComponent('Slider', Slider);
+ var _proto = DurationDisplay.prototype;
-/**
- * @file load-progress-bar.js
- */
-/**
- * Shows loading progress
- *
- * @extends Component
- */
+ _proto.buildCSSClass = function buildCSSClass() {
+ return 'vjs-duration';
+ }
+ /**
+ * Update duration time display.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `durationchange`, `timeupdate`, or `loadedmetadata` event that caused
+ * this function to be called.
+ *
+ * @listens Player#durationchange
+ * @listens Player#timeupdate
+ * @listens Player#loadedmetadata
+ */
+ ;
-var LoadProgressBar = function (_Component) {
- inherits(LoadProgressBar, _Component);
+ _proto.updateContent = function updateContent(event) {
+ var duration = this.player_.duration();
+ this.updateTextNode_(duration);
+ };
+ return DurationDisplay;
+ }(TimeDisplay);
/**
- * Creates an instance of this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
+ * The text that is added to the `DurationDisplay` for screen reader users.
*
- * @param {Object} [options]
- * The key/value store of player options.
+ * @type {string}
+ * @private
*/
- function LoadProgressBar(player, options) {
- classCallCheck(this, LoadProgressBar);
- var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
- _this.partEls_ = [];
- _this.on(player, 'progress', _this.update);
- return _this;
- }
+ DurationDisplay.prototype.labelText_ = 'Duration';
+ /**
+ * The text that should display over the `DurationDisplay`s controls. Added to for localization.
+ *
+ * @type {string}
+ * @private
+ *
+ * @deprecated in v7; controlText_ is not used in non-active display Components
+ */
+
+ DurationDisplay.prototype.controlText_ = 'Duration';
+ Component.registerComponent('DurationDisplay', DurationDisplay);
/**
- * Create the `Component`'s DOM element
+ * The separator between the current time and duration.
+ * Can be hidden if it's not needed in the design.
*
- * @return {Element}
- * The element that was created.
+ * @extends Component
*/
+ var TimeDivider = /*#__PURE__*/function (_Component) {
+ inheritsLoose(TimeDivider, _Component);
- LoadProgressBar.prototype.createEl = function createEl$$1() {
- return _Component.prototype.createEl.call(this, 'div', {
- className: 'vjs-load-progress',
- innerHTML: '<span class="vjs-control-text"><span>' + this.localize('Loaded') + '</span>: 0%</span>'
- });
- };
+ function TimeDivider() {
+ return _Component.apply(this, arguments) || this;
+ }
- LoadProgressBar.prototype.dispose = function dispose() {
- this.partEls_ = null;
+ var _proto = TimeDivider.prototype;
- _Component.prototype.dispose.call(this);
- };
+ /**
+ * Create the component's DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+ _proto.createEl = function createEl() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-time-control vjs-time-divider',
+ innerHTML: '<div><span>/</span></div>'
+ }, {
+ // this element and its contents can be hidden from assistive techs since
+ // it is made extraneous by the announcement of the control text
+ // for the current time and duration displays
+ 'aria-hidden': true
+ });
+ };
+
+ return TimeDivider;
+ }(Component);
+
+ Component.registerComponent('TimeDivider', TimeDivider);
/**
- * Update progress bar
+ * Displays the time left in the video
*
- * @param {EventTarget~Event} [event]
- * The `progress` event that caused this function to run.
- *
- * @listens Player#progress
+ * @extends Component
*/
+ var RemainingTimeDisplay = /*#__PURE__*/function (_TimeDisplay) {
+ inheritsLoose(RemainingTimeDisplay, _TimeDisplay);
- LoadProgressBar.prototype.update = function update(event) {
- var buffered = this.player_.buffered();
- var duration = this.player_.duration();
- var bufferedEnd = this.player_.bufferedEnd();
- var children = this.partEls_;
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function RemainingTimeDisplay(player, options) {
+ var _this;
- // get the percent width of a time compared to the total end
- var percentify = function percentify(time, end) {
- // no NaN
- var percent = time / end || 0;
+ _this = _TimeDisplay.call(this, player, options) || this;
- return (percent >= 1 ? 1 : percent) * 100 + '%';
- };
+ _this.on(player, 'durationchange', _this.updateContent);
- // update the width of the progress bar
- this.el_.style.width = percentify(bufferedEnd, duration);
+ return _this;
+ }
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
- // add child elements to represent the individual buffered time ranges
- for (var i = 0; i < buffered.length; i++) {
- var start = buffered.start(i);
- var end = buffered.end(i);
- var part = children[i];
- if (!part) {
- part = this.el_.appendChild(createEl());
- children[i] = part;
- }
+ var _proto = RemainingTimeDisplay.prototype;
- // set the percent based on the width of the progress bar (bufferedEnd)
- part.style.left = percentify(start, bufferedEnd);
- part.style.width = percentify(end - start, bufferedEnd);
+ _proto.buildCSSClass = function buildCSSClass() {
+ return 'vjs-remaining-time';
}
+ /**
+ * Create the `Component`'s DOM element with the "minus" characted prepend to the time
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+ ;
- // remove unused buffered range elements
- for (var _i = children.length; _i > buffered.length; _i--) {
- this.el_.removeChild(children[_i - 1]);
- }
- children.length = buffered.length;
- };
+ _proto.createEl = function createEl$1() {
+ var el = _TimeDisplay.prototype.createEl.call(this);
- return LoadProgressBar;
-}(Component);
+ el.insertBefore(createEl('span', {}, {
+ 'aria-hidden': true
+ }, '-'), this.contentEl_);
+ return el;
+ }
+ /**
+ * Update remaining time display.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `timeupdate` or `durationchange` event that caused this to run.
+ *
+ * @listens Player#timeupdate
+ * @listens Player#durationchange
+ */
+ ;
-Component.registerComponent('LoadProgressBar', LoadProgressBar);
+ _proto.updateContent = function updateContent(event) {
+ if (typeof this.player_.duration() !== 'number') {
+ return;
+ }
-/**
- * @file time-tooltip.js
- */
-/**
- * Time tooltips display a time above the progress bar.
- *
- * @extends Component
- */
+ var time; // @deprecated We should only use remainingTimeDisplay
+ // as of video.js 7
-var TimeTooltip = function (_Component) {
- inherits(TimeTooltip, _Component);
+ if (this.player_.ended()) {
+ time = 0;
+ } else if (this.player_.remainingTimeDisplay) {
+ time = this.player_.remainingTimeDisplay();
+ } else {
+ time = this.player_.remainingTime();
+ }
- function TimeTooltip() {
- classCallCheck(this, TimeTooltip);
- return possibleConstructorReturn(this, _Component.apply(this, arguments));
- }
+ this.updateTextNode_(time);
+ };
+ return RemainingTimeDisplay;
+ }(TimeDisplay);
/**
- * Create the time tooltip DOM element
+ * The text that is added to the `RemainingTimeDisplay` for screen reader users.
*
- * @return {Element}
- * The element that was created.
+ * @type {string}
+ * @private
*/
- TimeTooltip.prototype.createEl = function createEl$$1() {
- return _Component.prototype.createEl.call(this, 'div', {
- className: 'vjs-time-tooltip'
- });
- };
+
+ RemainingTimeDisplay.prototype.labelText_ = 'Remaining Time';
/**
- * Updates the position of the time tooltip relative to the `SeekBar`.
+ * The text that should display over the `RemainingTimeDisplay`s controls. Added to for localization.
*
- * @param {Object} seekBarRect
- * The `ClientRect` for the {@link SeekBar} element.
+ * @type {string}
+ * @private
*
- * @param {number} seekBarPoint
- * A number from 0 to 1, representing a horizontal reference point
- * from the left edge of the {@link SeekBar}
+ * @deprecated in v7; controlText_ is not used in non-active display Components
*/
+ RemainingTimeDisplay.prototype.controlText_ = 'Remaining Time';
+ Component.registerComponent('RemainingTimeDisplay', RemainingTimeDisplay);
- TimeTooltip.prototype.update = function update(seekBarRect, seekBarPoint, content) {
- var tooltipRect = getBoundingClientRect(this.el_);
- var playerRect = getBoundingClientRect(this.player_.el());
- var seekBarPointPx = seekBarRect.width * seekBarPoint;
+ /**
+ * Displays the live indicator when duration is Infinity.
+ *
+ * @extends Component
+ */
- // do nothing if either rect isn't available
- // for example, if the player isn't in the DOM for testing
- if (!playerRect || !tooltipRect) {
- return;
- }
+ var LiveDisplay = /*#__PURE__*/function (_Component) {
+ inheritsLoose(LiveDisplay, _Component);
- // This is the space left of the `seekBarPoint` available within the bounds
- // of the player. We calculate any gap between the left edge of the player
- // and the left edge of the `SeekBar` and add the number of pixels in the
- // `SeekBar` before hitting the `seekBarPoint`
- var spaceLeftOfPoint = seekBarRect.left - playerRect.left + seekBarPointPx;
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function LiveDisplay(player, options) {
+ var _this;
- // This is the space right of the `seekBarPoint` available within the bounds
- // of the player. We calculate the number of pixels from the `seekBarPoint`
- // to the right edge of the `SeekBar` and add to that any gap between the
- // right edge of the `SeekBar` and the player.
- var spaceRightOfPoint = seekBarRect.width - seekBarPointPx + (playerRect.right - seekBarRect.right);
+ _this = _Component.call(this, player, options) || this;
- // This is the number of pixels by which the tooltip will need to be pulled
- // further to the right to center it over the `seekBarPoint`.
- var pullTooltipBy = tooltipRect.width / 2;
+ _this.updateShowing();
- // Adjust the `pullTooltipBy` distance to the left or right depending on
- // the results of the space calculations above.
- if (spaceLeftOfPoint < pullTooltipBy) {
- pullTooltipBy += pullTooltipBy - spaceLeftOfPoint;
- } else if (spaceRightOfPoint < pullTooltipBy) {
- pullTooltipBy = spaceRightOfPoint;
- }
+ _this.on(_this.player(), 'durationchange', _this.updateShowing);
- // Due to the imprecision of decimal/ratio based calculations and varying
- // rounding behaviors, there are cases where the spacing adjustment is off
- // by a pixel or two. This adds insurance to these calculations.
- if (pullTooltipBy < 0) {
- pullTooltipBy = 0;
- } else if (pullTooltipBy > tooltipRect.width) {
- pullTooltipBy = tooltipRect.width;
+ return _this;
}
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
- this.el_.style.right = '-' + pullTooltipBy + 'px';
- textContent(this.el_, content);
- };
- return TimeTooltip;
-}(Component);
+ var _proto = LiveDisplay.prototype;
-Component.registerComponent('TimeTooltip', TimeTooltip);
+ _proto.createEl = function createEl$1() {
+ var el = _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-live-control vjs-control'
+ });
-/**
- * @file play-progress-bar.js
- */
-/**
- * Used by {@link SeekBar} to display media playback progress as part of the
- * {@link ProgressControl}.
- *
- * @extends Component
- */
+ this.contentEl_ = createEl('div', {
+ className: 'vjs-live-display',
+ innerHTML: "<span class=\"vjs-control-text\">" + this.localize('Stream Type') + "\xA0</span>" + this.localize('LIVE')
+ }, {
+ 'aria-live': 'off'
+ });
+ el.appendChild(this.contentEl_);
+ return el;
+ };
-var PlayProgressBar = function (_Component) {
- inherits(PlayProgressBar, _Component);
+ _proto.dispose = function dispose() {
+ this.contentEl_ = null;
- function PlayProgressBar() {
- classCallCheck(this, PlayProgressBar);
- return possibleConstructorReturn(this, _Component.apply(this, arguments));
- }
+ _Component.prototype.dispose.call(this);
+ }
+ /**
+ * Check the duration to see if the LiveDisplay should be showing or not. Then show/hide
+ * it accordingly
+ *
+ * @param {EventTarget~Event} [event]
+ * The {@link Player#durationchange} event that caused this function to run.
+ *
+ * @listens Player#durationchange
+ */
+ ;
- /**
- * Create the the DOM element for this class.
- *
- * @return {Element}
- * The element that was created.
- */
- PlayProgressBar.prototype.createEl = function createEl() {
- return _Component.prototype.createEl.call(this, 'div', {
- className: 'vjs-play-progress vjs-slider-bar',
- innerHTML: '<span class="vjs-control-text"><span>' + this.localize('Progress') + '</span>: 0%</span>'
- });
- };
+ _proto.updateShowing = function updateShowing(event) {
+ if (this.player().duration() === Infinity) {
+ this.show();
+ } else {
+ this.hide();
+ }
+ };
+
+ return LiveDisplay;
+ }(Component);
+
+ Component.registerComponent('LiveDisplay', LiveDisplay);
/**
- * Enqueues updates to its own DOM as well as the DOM of its
- * {@link TimeTooltip} child.
- *
- * @param {Object} seekBarRect
- * The `ClientRect` for the {@link SeekBar} element.
+ * Displays the live indicator when duration is Infinity.
*
- * @param {number} seekBarPoint
- * A number from 0 to 1, representing a horizontal reference point
- * from the left edge of the {@link SeekBar}
+ * @extends Component
*/
+ var SeekToLive = /*#__PURE__*/function (_Button) {
+ inheritsLoose(SeekToLive, _Button);
- PlayProgressBar.prototype.update = function update(seekBarRect, seekBarPoint) {
- var _this2 = this;
-
- // If there is an existing rAF ID, cancel it so we don't over-queue.
- if (this.rafId_) {
- this.cancelAnimationFrame(this.rafId_);
- }
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function SeekToLive(player, options) {
+ var _this;
- this.rafId_ = this.requestAnimationFrame(function () {
- var time = _this2.player_.scrubbing() ? _this2.player_.getCache().currentTime : _this2.player_.currentTime();
+ _this = _Button.call(this, player, options) || this;
- var content = formatTime(time, _this2.player_.duration());
- var timeTooltip = _this2.getChild('timeTooltip');
+ _this.updateLiveEdgeStatus();
- if (timeTooltip) {
- timeTooltip.update(seekBarRect, seekBarPoint, content);
+ if (_this.player_.liveTracker) {
+ _this.on(_this.player_.liveTracker, 'liveedgechange', _this.updateLiveEdgeStatus);
}
- });
- };
- return PlayProgressBar;
-}(Component);
+ return _this;
+ }
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
-/**
- * Default options for {@link PlayProgressBar}.
- *
- * @type {Object}
- * @private
- */
+ var _proto = SeekToLive.prototype;
-PlayProgressBar.prototype.options_ = {
- children: []
-};
+ _proto.createEl = function createEl$1() {
+ var el = _Button.prototype.createEl.call(this, 'button', {
+ className: 'vjs-seek-to-live-control vjs-control'
+ });
-// Time tooltips should not be added to a player on mobile devices or IE8
-if ((!IE_VERSION || IE_VERSION > 8) && !IS_IOS && !IS_ANDROID) {
- PlayProgressBar.prototype.options_.children.push('timeTooltip');
-}
+ this.textEl_ = createEl('span', {
+ className: 'vjs-seek-to-live-text',
+ innerHTML: this.localize('LIVE')
+ }, {
+ 'aria-hidden': 'true'
+ });
+ el.appendChild(this.textEl_);
+ return el;
+ }
+ /**
+ * Update the state of this button if we are at the live edge
+ * or not
+ */
+ ;
+
+ _proto.updateLiveEdgeStatus = function updateLiveEdgeStatus() {
+ // default to live edge
+ if (!this.player_.liveTracker || this.player_.liveTracker.atLiveEdge()) {
+ this.setAttribute('aria-disabled', true);
+ this.addClass('vjs-at-live-edge');
+ this.controlText('Seek to live, currently playing live');
+ } else {
+ this.setAttribute('aria-disabled', false);
+ this.removeClass('vjs-at-live-edge');
+ this.controlText('Seek to live, currently behind live');
+ }
+ }
+ /**
+ * On click bring us as near to the live point as possible.
+ * This requires that we wait for the next `live-seekable-change`
+ * event which will happen every segment length seconds.
+ */
+ ;
-Component.registerComponent('PlayProgressBar', PlayProgressBar);
+ _proto.handleClick = function handleClick() {
+ this.player_.liveTracker.seekToLiveEdge();
+ }
+ /**
+ * Dispose of the element and stop tracking
+ */
+ ;
-/**
- * @file mouse-time-display.js
- */
-/**
- * The {@link MouseTimeDisplay} component tracks mouse movement over the
- * {@link ProgressControl}. It displays an indicator and a {@link TimeTooltip}
- * indicating the time which is represented by a given point in the
- * {@link ProgressControl}.
- *
- * @extends Component
- */
+ _proto.dispose = function dispose() {
+ if (this.player_.liveTracker) {
+ this.off(this.player_.liveTracker, 'liveedgechange', this.updateLiveEdgeStatus);
+ }
-var MouseTimeDisplay = function (_Component) {
- inherits(MouseTimeDisplay, _Component);
+ this.textEl_ = null;
- /**
- * Creates an instance of this class.
- *
- * @param {Player} player
- * The {@link Player} that this class should be attached to.
- *
- * @param {Object} [options]
- * The key/value store of player options.
- */
- function MouseTimeDisplay(player, options) {
- classCallCheck(this, MouseTimeDisplay);
+ _Button.prototype.dispose.call(this);
+ };
- var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+ return SeekToLive;
+ }(Button);
- _this.update = throttle(bind(_this, _this.update), 25);
- return _this;
- }
+ SeekToLive.prototype.controlText_ = 'Seek to live, currently playing live';
+ Component.registerComponent('SeekToLive', SeekToLive);
/**
- * Create the DOM element for this class.
+ * Keep a number between a min and a max value
*
- * @return {Element}
- * The element that was created.
+ * @param {number} number
+ * The number to clamp
+ *
+ * @param {number} min
+ * The minimum value
+ * @param {number} max
+ * The maximum value
+ *
+ * @return {number}
+ * the clamped number
*/
-
-
- MouseTimeDisplay.prototype.createEl = function createEl() {
- return _Component.prototype.createEl.call(this, 'div', {
- className: 'vjs-mouse-display'
- });
+ var clamp = function clamp(number, min, max) {
+ number = Number(number);
+ return Math.min(max, Math.max(min, isNaN(number) ? min : number));
};
/**
- * Enqueues updates to its own DOM as well as the DOM of its
- * {@link TimeTooltip} child.
+ * The base functionality for a slider. Can be vertical or horizontal.
+ * For instance the volume bar or the seek bar on a video is a slider.
*
- * @param {Object} seekBarRect
- * The `ClientRect` for the {@link SeekBar} element.
- *
- * @param {number} seekBarPoint
- * A number from 0 to 1, representing a horizontal reference point
- * from the left edge of the {@link SeekBar}
+ * @extends Component
*/
+ var Slider = /*#__PURE__*/function (_Component) {
+ inheritsLoose(Slider, _Component);
- MouseTimeDisplay.prototype.update = function update(seekBarRect, seekBarPoint) {
- var _this2 = this;
-
- // If there is an existing rAF ID, cancel it so we don't over-queue.
- if (this.rafId_) {
- this.cancelAnimationFrame(this.rafId_);
- }
+ /**
+ * Create an instance of this class
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function Slider(player, options) {
+ var _this;
- this.rafId_ = this.requestAnimationFrame(function () {
- var duration = _this2.player_.duration();
- var content = formatTime(seekBarPoint * duration, duration);
+ _this = _Component.call(this, player, options) || this; // Set property names to bar to match with the child Slider class is looking for
- _this2.el_.style.left = seekBarRect.width * seekBarPoint + 'px';
- _this2.getChild('timeTooltip').update(seekBarRect, seekBarPoint, content);
- });
- };
+ _this.bar = _this.getChild(_this.options_.barName); // Set a horizontal or vertical class on the slider depending on the slider type
- return MouseTimeDisplay;
-}(Component);
+ _this.vertical(!!_this.options_.vertical);
-/**
- * Default options for `MouseTimeDisplay`
- *
- * @type {Object}
- * @private
- */
+ _this.enable();
+ return _this;
+ }
+ /**
+ * Are controls are currently enabled for this slider or not.
+ *
+ * @return {boolean}
+ * true if controls are enabled, false otherwise
+ */
-MouseTimeDisplay.prototype.options_ = {
- children: ['timeTooltip']
-};
-
-Component.registerComponent('MouseTimeDisplay', MouseTimeDisplay);
-
-/**
- * @file seek-bar.js
- */
-// The number of seconds the `step*` functions move the timeline.
-var STEP_SECONDS = 5;
-// The interval at which the bar should update as it progresses.
-var UPDATE_REFRESH_INTERVAL = 30;
+ var _proto = Slider.prototype;
-/**
- * Seek bar and container for the progress bars. Uses {@link PlayProgressBar}
- * as its `bar`.
- *
- * @extends Slider
- */
+ _proto.enabled = function enabled() {
+ return this.enabled_;
+ }
+ /**
+ * Enable controls for this slider if they are disabled
+ */
+ ;
-var SeekBar = function (_Slider) {
- inherits(SeekBar, _Slider);
+ _proto.enable = function enable() {
+ if (this.enabled()) {
+ return;
+ }
- /**
- * Creates an instance of this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
- *
- * @param {Object} [options]
- * The key/value store of player options.
- */
- function SeekBar(player, options) {
- classCallCheck(this, SeekBar);
+ this.on('mousedown', this.handleMouseDown);
+ this.on('touchstart', this.handleMouseDown);
+ this.on('keydown', this.handleKeyDown);
+ this.on('click', this.handleClick); // TODO: deprecated, controlsvisible does not seem to be fired
- var _this = possibleConstructorReturn(this, _Slider.call(this, player, options));
+ this.on(this.player_, 'controlsvisible', this.update);
- _this.update = throttle(bind(_this, _this.update), UPDATE_REFRESH_INTERVAL);
+ if (this.playerEvent) {
+ this.on(this.player_, this.playerEvent, this.update);
+ }
- _this.on(player, 'timeupdate', _this.update);
- _this.on(player, 'ended', _this.handleEnded);
+ this.removeClass('disabled');
+ this.setAttribute('tabindex', 0);
+ this.enabled_ = true;
+ }
+ /**
+ * Disable controls for this slider if they are enabled
+ */
+ ;
- // when playing, let's ensure we smoothly update the play progress bar
- // via an interval
- _this.updateInterval = null;
+ _proto.disable = function disable() {
+ if (!this.enabled()) {
+ return;
+ }
- _this.on(player, ['playing'], function () {
- _this.clearInterval(_this.updateInterval);
+ var doc = this.bar.el_.ownerDocument;
+ this.off('mousedown', this.handleMouseDown);
+ this.off('touchstart', this.handleMouseDown);
+ this.off('keydown', this.handleKeyDown);
+ this.off('click', this.handleClick);
+ this.off(this.player_, 'controlsvisible', this.update);
+ this.off(doc, 'mousemove', this.handleMouseMove);
+ this.off(doc, 'mouseup', this.handleMouseUp);
+ this.off(doc, 'touchmove', this.handleMouseMove);
+ this.off(doc, 'touchend', this.handleMouseUp);
+ this.removeAttribute('tabindex');
+ this.addClass('disabled');
+
+ if (this.playerEvent) {
+ this.off(this.player_, this.playerEvent, this.update);
+ }
- _this.updateInterval = _this.setInterval(function () {
- _this.requestAnimationFrame(function () {
- _this.update();
- });
- }, UPDATE_REFRESH_INTERVAL);
- });
+ this.enabled_ = false;
+ }
+ /**
+ * Create the `Slider`s DOM element.
+ *
+ * @param {string} type
+ * Type of element to create.
+ *
+ * @param {Object} [props={}]
+ * List of properties in Object form.
+ *
+ * @param {Object} [attributes={}]
+ * list of attributes in Object form.
+ *
+ * @return {Element}
+ * The element that gets created.
+ */
+ ;
- _this.on(player, ['ended', 'pause', 'waiting'], function () {
- _this.clearInterval(_this.updateInterval);
- });
+ _proto.createEl = function createEl(type, props, attributes) {
+ if (props === void 0) {
+ props = {};
+ }
- _this.on(player, ['timeupdate', 'ended'], _this.update);
- return _this;
- }
+ if (attributes === void 0) {
+ attributes = {};
+ }
- /**
- * Create the `Component`'s DOM element
- *
- * @return {Element}
- * The element that was created.
- */
+ // Add the slider element class to all sub classes
+ props.className = props.className + ' vjs-slider';
+ props = assign({
+ tabIndex: 0
+ }, props);
+ attributes = assign({
+ 'role': 'slider',
+ 'aria-valuenow': 0,
+ 'aria-valuemin': 0,
+ 'aria-valuemax': 100,
+ 'tabIndex': 0
+ }, attributes);
+ return _Component.prototype.createEl.call(this, type, props, attributes);
+ }
+ /**
+ * Handle `mousedown` or `touchstart` events on the `Slider`.
+ *
+ * @param {EventTarget~Event} event
+ * `mousedown` or `touchstart` event that triggered this function
+ *
+ * @listens mousedown
+ * @listens touchstart
+ * @fires Slider#slideractive
+ */
+ ;
+ _proto.handleMouseDown = function handleMouseDown(event) {
+ var doc = this.bar.el_.ownerDocument;
- SeekBar.prototype.createEl = function createEl$$1() {
- return _Slider.prototype.createEl.call(this, 'div', {
- className: 'vjs-progress-holder'
- }, {
- 'aria-label': this.localize('Progress Bar')
- });
- };
+ if (event.type === 'mousedown') {
+ event.preventDefault();
+ } // Do not call preventDefault() on touchstart in Chrome
+ // to avoid console warnings. Use a 'touch-action: none' style
+ // instead to prevent unintented scrolling.
+ // https://developers.google.com/web/updates/2017/01/scrolling-intervention
- /**
- * This function updates the play progress bar and accessiblity
- * attributes to whatever is passed in.
- *
- * @param {number} currentTime
- * The currentTime value that should be used for accessiblity
- *
- * @param {number} percent
- * The percentage as a decimal that the bar should be filled from 0-1.
- *
- * @private
- */
+ if (event.type === 'touchstart' && !IS_CHROME) {
+ event.preventDefault();
+ }
- SeekBar.prototype.update_ = function update_(currentTime, percent) {
- var duration = this.player_.duration();
+ blockTextSelection();
+ this.addClass('vjs-sliding');
+ /**
+ * Triggered when the slider is in an active state
+ *
+ * @event Slider#slideractive
+ * @type {EventTarget~Event}
+ */
- // machine readable value of progress bar (percentage complete)
- this.el_.setAttribute('aria-valuenow', (percent * 100).toFixed(2));
+ this.trigger('slideractive');
+ this.on(doc, 'mousemove', this.handleMouseMove);
+ this.on(doc, 'mouseup', this.handleMouseUp);
+ this.on(doc, 'touchmove', this.handleMouseMove);
+ this.on(doc, 'touchend', this.handleMouseUp);
+ this.handleMouseMove(event);
+ }
+ /**
+ * Handle the `mousemove`, `touchmove`, and `mousedown` events on this `Slider`.
+ * The `mousemove` and `touchmove` events will only only trigger this function during
+ * `mousedown` and `touchstart`. This is due to {@link Slider#handleMouseDown} and
+ * {@link Slider#handleMouseUp}.
+ *
+ * @param {EventTarget~Event} event
+ * `mousedown`, `mousemove`, `touchstart`, or `touchmove` event that triggered
+ * this function
+ *
+ * @listens mousemove
+ * @listens touchmove
+ */
+ ;
- // human readable value of progress bar (time complete)
- this.el_.setAttribute('aria-valuetext', this.localize('progress bar timing: currentTime={1} duration={2}', [formatTime(currentTime, duration), formatTime(duration, duration)], '{1} of {2}'));
+ _proto.handleMouseMove = function handleMouseMove(event) {}
+ /**
+ * Handle `mouseup` or `touchend` events on the `Slider`.
+ *
+ * @param {EventTarget~Event} event
+ * `mouseup` or `touchend` event that triggered this function.
+ *
+ * @listens touchend
+ * @listens mouseup
+ * @fires Slider#sliderinactive
+ */
+ ;
- // Update the `PlayProgressBar`.
- this.bar.update(getBoundingClientRect(this.el_), percent);
- };
+ _proto.handleMouseUp = function handleMouseUp() {
+ var doc = this.bar.el_.ownerDocument;
+ unblockTextSelection();
+ this.removeClass('vjs-sliding');
+ /**
+ * Triggered when the slider is no longer in an active state.
+ *
+ * @event Slider#sliderinactive
+ * @type {EventTarget~Event}
+ */
- /**
- * Update the seek bar's UI.
- *
- * @param {EventTarget~Event} [event]
- * The `timeupdate` or `ended` event that caused this to run.
- *
- * @listens Player#timeupdate
- *
- * @returns {number}
- * The current percent at a number from 0-1
- */
+ this.trigger('sliderinactive');
+ this.off(doc, 'mousemove', this.handleMouseMove);
+ this.off(doc, 'mouseup', this.handleMouseUp);
+ this.off(doc, 'touchmove', this.handleMouseMove);
+ this.off(doc, 'touchend', this.handleMouseUp);
+ this.update();
+ }
+ /**
+ * Update the progress bar of the `Slider`.
+ *
+ * @return {number}
+ * The percentage of progress the progress bar represents as a
+ * number from 0 to 1.
+ */
+ ;
+ _proto.update = function update() {
+ var _this2 = this;
- SeekBar.prototype.update = function update(event) {
- var percent = _Slider.prototype.update.call(this);
+ // In VolumeBar init we have a setTimeout for update that pops and update
+ // to the end of the execution stack. The player is destroyed before then
+ // update will cause an error
+ // If there's no bar...
+ if (!this.el_ || !this.bar) {
+ return;
+ } // clamp progress between 0 and 1
+ // and only round to four decimal places, as we round to two below
- this.update_(this.getCurrentTime_(), percent);
- return percent;
- };
- /**
- * Get the value of current time but allows for smooth scrubbing,
- * when player can't keep up.
- *
- * @return {number}
- * The current time value to display
- *
- * @private
- */
+ var progress = this.getProgress();
+ if (progress === this.progress_) {
+ return progress;
+ }
- SeekBar.prototype.getCurrentTime_ = function getCurrentTime_() {
- return this.player_.scrubbing() ? this.player_.getCache().currentTime : this.player_.currentTime();
- };
+ this.progress_ = progress;
+ this.requestAnimationFrame(function () {
+ // Set the new bar width or height
+ var sizeKey = _this2.vertical() ? 'height' : 'width'; // Convert to a percentage for css value
- /**
- * We want the seek bar to be full on ended
- * no matter what the actual internal values are. so we force it.
- *
- * @param {EventTarget~Event} [event]
- * The `timeupdate` or `ended` event that caused this to run.
- *
- * @listens Player#ended
- */
+ _this2.bar.el().style[sizeKey] = (progress * 100).toFixed(2) + '%';
+ });
+ return progress;
+ }
+ /**
+ * Get the percentage of the bar that should be filled
+ * but clamped and rounded.
+ *
+ * @return {number}
+ * percentage filled that the slider is
+ */
+ ;
+ _proto.getProgress = function getProgress() {
+ return Number(clamp(this.getPercent(), 0, 1).toFixed(4));
+ }
+ /**
+ * Calculate distance for slider
+ *
+ * @param {EventTarget~Event} event
+ * The event that caused this function to run.
+ *
+ * @return {number}
+ * The current position of the Slider.
+ * - position.x for vertical `Slider`s
+ * - position.y for horizontal `Slider`s
+ */
+ ;
- SeekBar.prototype.handleEnded = function handleEnded(event) {
- this.update_(this.player_.duration(), 1);
- };
+ _proto.calculateDistance = function calculateDistance(event) {
+ var position = getPointerPosition(this.el_, event);
- /**
- * Get the percentage of media played so far.
- *
- * @return {number}
- * The percentage of media played so far (0 to 1).
- */
+ if (this.vertical()) {
+ return position.y;
+ }
+ return position.x;
+ }
+ /**
+ * Handle a `keydown` event on the `Slider`. Watches for left, rigth, up, and down
+ * arrow keys. This function will only be called when the slider has focus. See
+ * {@link Slider#handleFocus} and {@link Slider#handleBlur}.
+ *
+ * @param {EventTarget~Event} event
+ * the `keydown` event that caused this function to run.
+ *
+ * @listens keydown
+ */
+ ;
- SeekBar.prototype.getPercent = function getPercent() {
- var percent = this.getCurrentTime_() / this.player_.duration();
+ _proto.handleKeyDown = function handleKeyDown(event) {
+ // Left and Down Arrows
+ if (keycode.isEventKey(event, 'Left') || keycode.isEventKey(event, 'Down')) {
+ event.preventDefault();
+ event.stopPropagation();
+ this.stepBack(); // Up and Right Arrows
+ } else if (keycode.isEventKey(event, 'Right') || keycode.isEventKey(event, 'Up')) {
+ event.preventDefault();
+ event.stopPropagation();
+ this.stepForward();
+ } else {
+ // Pass keydown handling up for unsupported keys
+ _Component.prototype.handleKeyDown.call(this, event);
+ }
+ }
+ /**
+ * Listener for click events on slider, used to prevent clicks
+ * from bubbling up to parent elements like button menus.
+ *
+ * @param {Object} event
+ * Event that caused this object to run
+ */
+ ;
- return percent >= 1 ? 1 : percent;
- };
+ _proto.handleClick = function handleClick(event) {
+ event.stopPropagation();
+ event.preventDefault();
+ }
+ /**
+ * Get/set if slider is horizontal for vertical
+ *
+ * @param {boolean} [bool]
+ * - true if slider is vertical,
+ * - false is horizontal
+ *
+ * @return {boolean}
+ * - true if slider is vertical, and getting
+ * - false if the slider is horizontal, and getting
+ */
+ ;
- /**
- * Handle mouse down on seek bar
- *
- * @param {EventTarget~Event} event
- * The `mousedown` event that caused this to run.
- *
- * @listens mousedown
- */
+ _proto.vertical = function vertical(bool) {
+ if (bool === undefined) {
+ return this.vertical_ || false;
+ }
+ this.vertical_ = !!bool;
- SeekBar.prototype.handleMouseDown = function handleMouseDown(event) {
- if (!isSingleLeftClick(event)) {
- return;
- }
+ if (this.vertical_) {
+ this.addClass('vjs-slider-vertical');
+ } else {
+ this.addClass('vjs-slider-horizontal');
+ }
+ };
- // Stop event propagation to prevent double fire in progress-control.js
- event.stopPropagation();
- this.player_.scrubbing(true);
+ return Slider;
+ }(Component);
- this.videoWasPlaying = !this.player_.paused();
- this.player_.pause();
+ Component.registerComponent('Slider', Slider);
- _Slider.prototype.handleMouseDown.call(this, event);
+ var percentify = function percentify(time, end) {
+ return clamp(time / end * 100, 0, 100).toFixed(2) + '%';
};
-
/**
- * Handle mouse move on seek bar
- *
- * @param {EventTarget~Event} event
- * The `mousemove` event that caused this to run.
+ * Shows loading progress
*
- * @listens mousemove
+ * @extends Component
*/
- SeekBar.prototype.handleMouseMove = function handleMouseMove(event) {
- if (!isSingleLeftClick(event)) {
- return;
- }
-
- var newTime = this.calculateDistance(event) * this.player_.duration();
+ var LoadProgressBar = /*#__PURE__*/function (_Component) {
+ inheritsLoose(LoadProgressBar, _Component);
- // Don't let video end while scrubbing.
- if (newTime === this.player_.duration()) {
- newTime = newTime - 0.1;
- }
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function LoadProgressBar(player, options) {
+ var _this;
- // Set new time (tell player to seek to new time)
- this.player_.currentTime(newTime);
- };
+ _this = _Component.call(this, player, options) || this;
+ _this.partEls_ = [];
- SeekBar.prototype.enable = function enable() {
- _Slider.prototype.enable.call(this);
- var mouseTimeDisplay = this.getChild('mouseTimeDisplay');
+ _this.on(player, 'progress', _this.update);
- if (!mouseTimeDisplay) {
- return;
+ return _this;
}
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
- mouseTimeDisplay.show();
- };
-
- SeekBar.prototype.disable = function disable() {
- _Slider.prototype.disable.call(this);
- var mouseTimeDisplay = this.getChild('mouseTimeDisplay');
-
- if (!mouseTimeDisplay) {
- return;
- }
- mouseTimeDisplay.hide();
- };
+ var _proto = LoadProgressBar.prototype;
- /**
- * Handle mouse up on seek bar
- *
- * @param {EventTarget~Event} event
- * The `mouseup` event that caused this to run.
- *
- * @listens mouseup
- */
+ _proto.createEl = function createEl$1() {
+ var el = _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-load-progress'
+ });
+ var wrapper = createEl('span', {
+ className: 'vjs-control-text'
+ });
+ var loadedText = createEl('span', {
+ textContent: this.localize('Loaded')
+ });
+ var separator = document.createTextNode(': ');
+ this.percentageEl_ = createEl('span', {
+ className: 'vjs-control-text-loaded-percentage',
+ textContent: '0%'
+ });
+ el.appendChild(wrapper);
+ wrapper.appendChild(loadedText);
+ wrapper.appendChild(separator);
+ wrapper.appendChild(this.percentageEl_);
+ return el;
+ };
- SeekBar.prototype.handleMouseUp = function handleMouseUp(event) {
- _Slider.prototype.handleMouseUp.call(this, event);
+ _proto.dispose = function dispose() {
+ this.partEls_ = null;
+ this.percentageEl_ = null;
- // Stop event propagation to prevent double fire in progress-control.js
- if (event) {
- event.stopPropagation();
+ _Component.prototype.dispose.call(this);
}
- this.player_.scrubbing(false);
-
/**
- * Trigger timeupdate because we're done seeking and the time has changed.
- * This is particularly useful for if the player is paused to time the time displays.
+ * Update progress bar
*
- * @event Tech#timeupdate
- * @type {EventTarget~Event}
+ * @param {EventTarget~Event} [event]
+ * The `progress` event that caused this function to run.
+ *
+ * @listens Player#progress
*/
- this.player_.trigger({ type: 'timeupdate', target: this, manuallyTriggered: true });
- if (this.videoWasPlaying) {
- silencePromise(this.player_.play());
- }
- };
+ ;
- /**
- * Move more quickly fast forward for keyboard-only users
- */
-
-
- SeekBar.prototype.stepForward = function stepForward() {
- this.player_.currentTime(this.player_.currentTime() + STEP_SECONDS);
- };
-
- /**
- * Move more quickly rewind for keyboard-only users
- */
+ _proto.update = function update(event) {
+ var _this2 = this;
+ this.requestAnimationFrame(function () {
+ var liveTracker = _this2.player_.liveTracker;
- SeekBar.prototype.stepBack = function stepBack() {
- this.player_.currentTime(this.player_.currentTime() - STEP_SECONDS);
- };
+ var buffered = _this2.player_.buffered();
- /**
- * Toggles the playback state of the player
- * This gets called when enter or space is used on the seekbar
- *
- * @param {EventTarget~Event} event
- * The `keydown` event that caused this function to be called
- *
- */
+ var duration = liveTracker && liveTracker.isLive() ? liveTracker.seekableEnd() : _this2.player_.duration();
+ var bufferedEnd = _this2.player_.bufferedEnd();
- SeekBar.prototype.handleAction = function handleAction(event) {
- if (this.player_.paused()) {
- this.player_.play();
- } else {
- this.player_.pause();
- }
- };
+ var children = _this2.partEls_;
+ var percent = percentify(bufferedEnd, duration);
- /**
- * Called when this SeekBar has focus and a key gets pressed down. By
- * default it will call `this.handleAction` when the key is space or enter.
- *
- * @param {EventTarget~Event} event
- * The `keydown` event that caused this function to be called.
- *
- * @listens keydown
- */
+ if (_this2.percent_ !== percent) {
+ // update the width of the progress bar
+ _this2.el_.style.width = percent; // update the control-text
+ textContent(_this2.percentageEl_, percent);
+ _this2.percent_ = percent;
+ } // add child elements to represent the individual buffered time ranges
- SeekBar.prototype.handleKeyPress = function handleKeyPress(event) {
- // Support Space (32) or Enter (13) key operation to fire a click event
- if (event.which === 32 || event.which === 13) {
- event.preventDefault();
- this.handleAction(event);
- } else if (_Slider.prototype.handleKeyPress) {
+ for (var i = 0; i < buffered.length; i++) {
+ var start = buffered.start(i);
+ var end = buffered.end(i);
+ var part = children[i];
- // Pass keypress handling up for unsupported keys
- _Slider.prototype.handleKeyPress.call(this, event);
- }
- };
+ if (!part) {
+ part = _this2.el_.appendChild(createEl());
+ children[i] = part;
+ } // only update if changed
- return SeekBar;
-}(Slider);
-/**
- * Default options for the `SeekBar`
- *
- * @type {Object}
- * @private
- */
+ if (part.dataset.start === start && part.dataset.end === end) {
+ continue;
+ }
+ part.dataset.start = start;
+ part.dataset.end = end; // set the percent based on the width of the progress bar (bufferedEnd)
-SeekBar.prototype.options_ = {
- children: ['loadProgressBar', 'playProgressBar'],
- barName: 'playProgressBar'
-};
+ part.style.left = percentify(start, bufferedEnd);
+ part.style.width = percentify(end - start, bufferedEnd);
+ } // remove unused buffered range elements
-// MouseTimeDisplay tooltips should not be added to a player on mobile devices or IE8
-if ((!IE_VERSION || IE_VERSION > 8) && !IS_IOS && !IS_ANDROID) {
- SeekBar.prototype.options_.children.splice(1, 0, 'mouseTimeDisplay');
-}
-/**
- * Call the update event for this Slider when this event happens on the player.
- *
- * @type {string}
- */
-SeekBar.prototype.playerEvent = 'timeupdate';
+ for (var _i = children.length; _i > buffered.length; _i--) {
+ _this2.el_.removeChild(children[_i - 1]);
+ }
-Component.registerComponent('SeekBar', SeekBar);
+ children.length = buffered.length;
+ });
+ };
-/**
- * @file progress-control.js
- */
-/**
- * The Progress Control component contains the seek bar, load progress,
- * and play progress.
- *
- * @extends Component
- */
+ return LoadProgressBar;
+ }(Component);
-var ProgressControl = function (_Component) {
- inherits(ProgressControl, _Component);
+ Component.registerComponent('LoadProgressBar', LoadProgressBar);
/**
- * Creates an instance of this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
+ * Time tooltips display a time above the progress bar.
*
- * @param {Object} [options]
- * The key/value store of player options.
+ * @extends Component
*/
- function ProgressControl(player, options) {
- classCallCheck(this, ProgressControl);
-
- var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
- _this.handleMouseMove = throttle(bind(_this, _this.handleMouseMove), 25);
- _this.throttledHandleMouseSeek = throttle(bind(_this, _this.handleMouseSeek), 25);
+ var TimeTooltip = /*#__PURE__*/function (_Component) {
+ inheritsLoose(TimeTooltip, _Component);
- _this.enable();
- return _this;
- }
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The {@link Player} that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function TimeTooltip(player, options) {
+ var _this;
- /**
- * Create the `Component`'s DOM element
- *
- * @return {Element}
- * The element that was created.
- */
+ _this = _Component.call(this, player, options) || this;
+ _this.update = throttle(bind(assertThisInitialized(_this), _this.update), UPDATE_REFRESH_INTERVAL);
+ return _this;
+ }
+ /**
+ * Create the time tooltip DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
- ProgressControl.prototype.createEl = function createEl$$1() {
- return _Component.prototype.createEl.call(this, 'div', {
- className: 'vjs-progress-control vjs-control'
- });
- };
+ var _proto = TimeTooltip.prototype;
- /**
- * When the mouse moves over the `ProgressControl`, the pointer position
- * gets passed down to the `MouseTimeDisplay` component.
- *
- * @param {EventTarget~Event} event
- * The `mousemove` event that caused this function to run.
- *
- * @listen mousemove
- */
+ _proto.createEl = function createEl() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-time-tooltip'
+ }, {
+ 'aria-hidden': 'true'
+ });
+ }
+ /**
+ * Updates the position of the time tooltip relative to the `SeekBar`.
+ *
+ * @param {Object} seekBarRect
+ * The `ClientRect` for the {@link SeekBar} element.
+ *
+ * @param {number} seekBarPoint
+ * A number from 0 to 1, representing a horizontal reference point
+ * from the left edge of the {@link SeekBar}
+ */
+ ;
+ _proto.update = function update(seekBarRect, seekBarPoint, content) {
+ var tooltipRect = getBoundingClientRect(this.el_);
+ var playerRect = getBoundingClientRect(this.player_.el());
+ var seekBarPointPx = seekBarRect.width * seekBarPoint; // do nothing if either rect isn't available
+ // for example, if the player isn't in the DOM for testing
- ProgressControl.prototype.handleMouseMove = function handleMouseMove(event) {
- var seekBar = this.getChild('seekBar');
+ if (!playerRect || !tooltipRect) {
+ return;
+ } // This is the space left of the `seekBarPoint` available within the bounds
+ // of the player. We calculate any gap between the left edge of the player
+ // and the left edge of the `SeekBar` and add the number of pixels in the
+ // `SeekBar` before hitting the `seekBarPoint`
- if (seekBar) {
- var mouseTimeDisplay = seekBar.getChild('mouseTimeDisplay');
- var seekBarEl = seekBar.el();
- var seekBarRect = getBoundingClientRect(seekBarEl);
- var seekBarPoint = getPointerPosition(seekBarEl, event).x;
- // The default skin has a gap on either side of the `SeekBar`. This means
- // that it's possible to trigger this behavior outside the boundaries of
- // the `SeekBar`. This ensures we stay within it at all times.
- if (seekBarPoint > 1) {
- seekBarPoint = 1;
- } else if (seekBarPoint < 0) {
- seekBarPoint = 0;
- }
+ var spaceLeftOfPoint = seekBarRect.left - playerRect.left + seekBarPointPx; // This is the space right of the `seekBarPoint` available within the bounds
+ // of the player. We calculate the number of pixels from the `seekBarPoint`
+ // to the right edge of the `SeekBar` and add to that any gap between the
+ // right edge of the `SeekBar` and the player.
- if (mouseTimeDisplay) {
- mouseTimeDisplay.update(seekBarRect, seekBarPoint);
- }
- }
- };
+ var spaceRightOfPoint = seekBarRect.width - seekBarPointPx + (playerRect.right - seekBarRect.right); // This is the number of pixels by which the tooltip will need to be pulled
+ // further to the right to center it over the `seekBarPoint`.
- /**
- * A throttled version of the {@link ProgressControl#handleMouseSeek} listener.
- *
- * @method ProgressControl#throttledHandleMouseSeek
- * @param {EventTarget~Event} event
- * The `mousemove` event that caused this function to run.
- *
- * @listen mousemove
- * @listen touchmove
- */
+ var pullTooltipBy = tooltipRect.width / 2; // Adjust the `pullTooltipBy` distance to the left or right depending on
+ // the results of the space calculations above.
+
+ if (spaceLeftOfPoint < pullTooltipBy) {
+ pullTooltipBy += pullTooltipBy - spaceLeftOfPoint;
+ } else if (spaceRightOfPoint < pullTooltipBy) {
+ pullTooltipBy = spaceRightOfPoint;
+ } // Due to the imprecision of decimal/ratio based calculations and varying
+ // rounding behaviors, there are cases where the spacing adjustment is off
+ // by a pixel or two. This adds insurance to these calculations.
- /**
- * Handle `mousemove` or `touchmove` events on the `ProgressControl`.
- *
- * @param {EventTarget~Event} event
- * `mousedown` or `touchstart` event that triggered this function
- *
- * @listens mousemove
- * @listens touchmove
- */
+ if (pullTooltipBy < 0) {
+ pullTooltipBy = 0;
+ } else if (pullTooltipBy > tooltipRect.width) {
+ pullTooltipBy = tooltipRect.width;
+ }
- ProgressControl.prototype.handleMouseSeek = function handleMouseSeek(event) {
- var seekBar = this.getChild('seekBar');
+ this.el_.style.right = "-" + pullTooltipBy + "px";
+ this.write(content);
+ }
+ /**
+ * Write the time to the tooltip DOM element.
+ *
+ * @param {string} content
+ * The formatted time for the tooltip.
+ */
+ ;
- if (seekBar) {
- seekBar.handleMouseMove(event);
+ _proto.write = function write(content) {
+ textContent(this.el_, content);
}
- };
+ /**
+ * Updates the position of the time tooltip relative to the `SeekBar`.
+ *
+ * @param {Object} seekBarRect
+ * The `ClientRect` for the {@link SeekBar} element.
+ *
+ * @param {number} seekBarPoint
+ * A number from 0 to 1, representing a horizontal reference point
+ * from the left edge of the {@link SeekBar}
+ *
+ * @param {number} time
+ * The time to update the tooltip to, not used during live playback
+ *
+ * @param {Function} cb
+ * A function that will be called during the request animation frame
+ * for tooltips that need to do additional animations from the default
+ */
+ ;
- /**
- * Are controls are currently enabled for this progress control.
- *
- * @return {boolean}
- * true if controls are enabled, false otherwise
- */
+ _proto.updateTime = function updateTime(seekBarRect, seekBarPoint, time, cb) {
+ var _this2 = this;
+ // If there is an existing rAF ID, cancel it so we don't over-queue.
+ if (this.rafId_) {
+ this.cancelAnimationFrame(this.rafId_);
+ }
- ProgressControl.prototype.enabled = function enabled() {
- return this.enabled_;
- };
+ this.rafId_ = this.requestAnimationFrame(function () {
+ var content;
- /**
- * Disable all controls on the progress control and its children
- */
+ var duration = _this2.player_.duration();
+ if (_this2.player_.liveTracker && _this2.player_.liveTracker.isLive()) {
+ var liveWindow = _this2.player_.liveTracker.liveWindow();
- ProgressControl.prototype.disable = function disable() {
- this.children().forEach(function (child) {
- return child.disable && child.disable();
- });
+ var secondsBehind = liveWindow - seekBarPoint * liveWindow;
+ content = (secondsBehind < 1 ? '' : '-') + formatTime(secondsBehind, liveWindow);
+ } else {
+ content = formatTime(time, duration);
+ }
- if (!this.enabled()) {
- return;
- }
+ _this2.update(seekBarRect, seekBarPoint, content);
- this.off(['mousedown', 'touchstart'], this.handleMouseDown);
- this.off(this.el_, 'mousemove', this.handleMouseMove);
- this.handleMouseUp();
+ if (cb) {
+ cb();
+ }
+ });
+ };
- this.addClass('disabled');
+ return TimeTooltip;
+ }(Component);
- this.enabled_ = false;
- };
+ Component.registerComponent('TimeTooltip', TimeTooltip);
/**
- * Enable all controls on the progress control and its children
+ * Used by {@link SeekBar} to display media playback progress as part of the
+ * {@link ProgressControl}.
+ *
+ * @extends Component
*/
+ var PlayProgressBar = /*#__PURE__*/function (_Component) {
+ inheritsLoose(PlayProgressBar, _Component);
- ProgressControl.prototype.enable = function enable() {
- this.children().forEach(function (child) {
- return child.enable && child.enable();
- });
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The {@link Player} that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function PlayProgressBar(player, options) {
+ var _this;
- if (this.enabled()) {
- return;
+ _this = _Component.call(this, player, options) || this;
+ _this.update = throttle(bind(assertThisInitialized(_this), _this.update), UPDATE_REFRESH_INTERVAL);
+ return _this;
}
+ /**
+ * Create the the DOM element for this class.
+ *
+ * @return {Element}
+ * The element that was created.
+ */
- this.on(['mousedown', 'touchstart'], this.handleMouseDown);
- this.on(this.el_, 'mousemove', this.handleMouseMove);
- this.removeClass('disabled');
- this.enabled_ = true;
- };
+ var _proto = PlayProgressBar.prototype;
+
+ _proto.createEl = function createEl() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-play-progress vjs-slider-bar'
+ }, {
+ 'aria-hidden': 'true'
+ });
+ }
+ /**
+ * Enqueues updates to its own DOM as well as the DOM of its
+ * {@link TimeTooltip} child.
+ *
+ * @param {Object} seekBarRect
+ * The `ClientRect` for the {@link SeekBar} element.
+ *
+ * @param {number} seekBarPoint
+ * A number from 0 to 1, representing a horizontal reference point
+ * from the left edge of the {@link SeekBar}
+ */
+ ;
+
+ _proto.update = function update(seekBarRect, seekBarPoint) {
+ var timeTooltip = this.getChild('timeTooltip');
+ if (!timeTooltip) {
+ return;
+ }
+
+ var time = this.player_.scrubbing() ? this.player_.getCache().currentTime : this.player_.currentTime();
+ timeTooltip.updateTime(seekBarRect, seekBarPoint, time);
+ };
+
+ return PlayProgressBar;
+ }(Component);
/**
- * Handle `mousedown` or `touchstart` events on the `ProgressControl`.
- *
- * @param {EventTarget~Event} event
- * `mousedown` or `touchstart` event that triggered this function
+ * Default options for {@link PlayProgressBar}.
*
- * @listens mousedown
- * @listens touchstart
+ * @type {Object}
+ * @private
*/
- ProgressControl.prototype.handleMouseDown = function handleMouseDown(event) {
- var doc = this.el_.ownerDocument;
- var seekBar = this.getChild('seekBar');
+ PlayProgressBar.prototype.options_ = {
+ children: []
+ }; // Time tooltips should not be added to a player on mobile devices
- if (seekBar) {
- seekBar.handleMouseDown(event);
- }
+ if (!IS_IOS && !IS_ANDROID) {
+ PlayProgressBar.prototype.options_.children.push('timeTooltip');
+ }
- this.on(doc, 'mousemove', this.throttledHandleMouseSeek);
- this.on(doc, 'touchmove', this.throttledHandleMouseSeek);
- this.on(doc, 'mouseup', this.handleMouseUp);
- this.on(doc, 'touchend', this.handleMouseUp);
- };
+ Component.registerComponent('PlayProgressBar', PlayProgressBar);
/**
- * Handle `mouseup` or `touchend` events on the `ProgressControl`.
+ * The {@link MouseTimeDisplay} component tracks mouse movement over the
+ * {@link ProgressControl}. It displays an indicator and a {@link TimeTooltip}
+ * indicating the time which is represented by a given point in the
+ * {@link ProgressControl}.
*
- * @param {EventTarget~Event} event
- * `mouseup` or `touchend` event that triggered this function.
- *
- * @listens touchend
- * @listens mouseup
+ * @extends Component
*/
+ var MouseTimeDisplay = /*#__PURE__*/function (_Component) {
+ inheritsLoose(MouseTimeDisplay, _Component);
- ProgressControl.prototype.handleMouseUp = function handleMouseUp(event) {
- var doc = this.el_.ownerDocument;
- var seekBar = this.getChild('seekBar');
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The {@link Player} that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function MouseTimeDisplay(player, options) {
+ var _this;
- if (seekBar) {
- seekBar.handleMouseUp(event);
+ _this = _Component.call(this, player, options) || this;
+ _this.update = throttle(bind(assertThisInitialized(_this), _this.update), UPDATE_REFRESH_INTERVAL);
+ return _this;
}
-
- this.off(doc, 'mousemove', this.throttledHandleMouseSeek);
- this.off(doc, 'touchmove', this.throttledHandleMouseSeek);
- this.off(doc, 'mouseup', this.handleMouseUp);
- this.off(doc, 'touchend', this.handleMouseUp);
- };
-
- return ProgressControl;
-}(Component);
-
-/**
- * Default options for `ProgressControl`
- *
- * @type {Object}
- * @private
- */
+ /**
+ * Create the DOM element for this class.
+ *
+ * @return {Element}
+ * The element that was created.
+ */
-ProgressControl.prototype.options_ = {
- children: ['seekBar']
-};
+ var _proto = MouseTimeDisplay.prototype;
-Component.registerComponent('ProgressControl', ProgressControl);
+ _proto.createEl = function createEl() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-mouse-display'
+ });
+ }
+ /**
+ * Enqueues updates to its own DOM as well as the DOM of its
+ * {@link TimeTooltip} child.
+ *
+ * @param {Object} seekBarRect
+ * The `ClientRect` for the {@link SeekBar} element.
+ *
+ * @param {number} seekBarPoint
+ * A number from 0 to 1, representing a horizontal reference point
+ * from the left edge of the {@link SeekBar}
+ */
+ ;
-/**
- * @file fullscreen-toggle.js
- */
-/**
- * Toggle fullscreen video
- *
- * @extends Button
- */
+ _proto.update = function update(seekBarRect, seekBarPoint) {
+ var _this2 = this;
-var FullscreenToggle = function (_Button) {
- inherits(FullscreenToggle, _Button);
+ var time = seekBarPoint * this.player_.duration();
+ this.getChild('timeTooltip').updateTime(seekBarRect, seekBarPoint, time, function () {
+ _this2.el_.style.left = seekBarRect.width * seekBarPoint + "px";
+ });
+ };
+ return MouseTimeDisplay;
+ }(Component);
/**
- * Creates an instance of this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
+ * Default options for `MouseTimeDisplay`
*
- * @param {Object} [options]
- * The key/value store of player options.
+ * @type {Object}
+ * @private
*/
- function FullscreenToggle(player, options) {
- classCallCheck(this, FullscreenToggle);
- var _this = possibleConstructorReturn(this, _Button.call(this, player, options));
- _this.on(player, 'fullscreenchange', _this.handleFullscreenChange);
- return _this;
- }
+ MouseTimeDisplay.prototype.options_ = {
+ children: ['timeTooltip']
+ };
+ Component.registerComponent('MouseTimeDisplay', MouseTimeDisplay);
+ var STEP_SECONDS = 5; // The multiplier of STEP_SECONDS that PgUp/PgDown move the timeline.
+
+ var PAGE_KEY_MULTIPLIER = 12;
/**
- * Builds the default DOM `className`.
+ * Seek bar and container for the progress bars. Uses {@link PlayProgressBar}
+ * as its `bar`.
*
- * @return {string}
- * The DOM `className` for this object.
+ * @extends Slider
*/
+ var SeekBar = /*#__PURE__*/function (_Slider) {
+ inheritsLoose(SeekBar, _Slider);
- FullscreenToggle.prototype.buildCSSClass = function buildCSSClass() {
- return 'vjs-fullscreen-control ' + _Button.prototype.buildCSSClass.call(this);
- };
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function SeekBar(player, options) {
+ var _this;
- /**
- * Handles fullscreenchange on the player and change control text accordingly.
- *
- * @param {EventTarget~Event} [event]
- * The {@link Player#fullscreenchange} event that caused this function to be
- * called.
- *
- * @listens Player#fullscreenchange
- */
+ _this = _Slider.call(this, player, options) || this;
+ _this.setEventHandlers_();
- FullscreenToggle.prototype.handleFullscreenChange = function handleFullscreenChange(event) {
- if (this.player_.isFullscreen()) {
- this.controlText('Non-Fullscreen');
- } else {
- this.controlText('Fullscreen');
+ return _this;
}
- };
+ /**
+ * Sets the event handlers
+ *
+ * @private
+ */
- /**
- * This gets called when an `FullscreenToggle` is "clicked". See
- * {@link ClickableComponent} for more detailed information on what a click can be.
- *
- * @param {EventTarget~Event} [event]
- * The `keydown`, `tap`, or `click` event that caused this function to be
- * called.
- *
- * @listens tap
- * @listens click
- */
+ var _proto = SeekBar.prototype;
- FullscreenToggle.prototype.handleClick = function handleClick(event) {
- if (!this.player_.isFullscreen()) {
- this.player_.requestFullscreen();
- } else {
- this.player_.exitFullscreen();
- }
- };
+ _proto.setEventHandlers_ = function setEventHandlers_() {
+ this.update_ = bind(this, this.update);
+ this.update = throttle(this.update_, UPDATE_REFRESH_INTERVAL);
+ this.on(this.player_, ['ended', 'durationchange', 'timeupdate'], this.update);
- return FullscreenToggle;
-}(Button);
+ if (this.player_.liveTracker) {
+ this.on(this.player_.liveTracker, 'liveedgechange', this.update);
+ } // when playing, let's ensure we smoothly update the play progress bar
+ // via an interval
-/**
- * The text that should display over the `FullscreenToggle`s controls. Added for localization.
- *
- * @type {string}
- * @private
- */
+ this.updateInterval = null;
+ this.on(this.player_, ['playing'], this.enableInterval_);
+ this.on(this.player_, ['ended', 'pause', 'waiting'], this.disableInterval_); // we don't need to update the play progress if the document is hidden,
+ // also, this causes the CPU to spike and eventually crash the page on IE11.
-FullscreenToggle.prototype.controlText_ = 'Fullscreen';
+ if ('hidden' in document && 'visibilityState' in document) {
+ this.on(document, 'visibilitychange', this.toggleVisibility_);
+ }
+ };
-Component.registerComponent('FullscreenToggle', FullscreenToggle);
+ _proto.toggleVisibility_ = function toggleVisibility_(e) {
+ if (document.hidden) {
+ this.disableInterval_(e);
+ } else {
+ this.enableInterval_(); // we just switched back to the page and someone may be looking, so, update ASAP
-/**
- * Check if volume control is supported and if it isn't hide the
- * `Component` that was passed using the `vjs-hidden` class.
- *
- * @param {Component} self
- * The component that should be hidden if volume is unsupported
- *
- * @param {Player} player
- * A reference to the player
- *
- * @private
- */
-var checkVolumeSupport = function checkVolumeSupport(self, player) {
- // hide volume controls when they're not supported by the current tech
- if (player.tech_ && !player.tech_.featuresVolumeControl) {
- self.addClass('vjs-hidden');
- }
+ this.update();
+ }
+ };
- self.on(player, 'loadstart', function () {
- if (!player.tech_.featuresVolumeControl) {
- self.addClass('vjs-hidden');
- } else {
- self.removeClass('vjs-hidden');
- }
- });
-};
+ _proto.enableInterval_ = function enableInterval_() {
+ if (this.updateInterval) {
+ return;
+ }
-/**
- * @file volume-level.js
- */
-/**
- * Shows volume level
- *
- * @extends Component
- */
+ this.updateInterval = this.setInterval(this.update, UPDATE_REFRESH_INTERVAL);
+ };
-var VolumeLevel = function (_Component) {
- inherits(VolumeLevel, _Component);
+ _proto.disableInterval_ = function disableInterval_(e) {
+ if (this.player_.liveTracker && this.player_.liveTracker.isLive() && e.type !== 'ended') {
+ return;
+ }
- function VolumeLevel() {
- classCallCheck(this, VolumeLevel);
- return possibleConstructorReturn(this, _Component.apply(this, arguments));
- }
+ if (!this.updateInterval) {
+ return;
+ }
- /**
- * Create the `Component`'s DOM element
- *
- * @return {Element}
- * The element that was created.
- */
- VolumeLevel.prototype.createEl = function createEl() {
- return _Component.prototype.createEl.call(this, 'div', {
- className: 'vjs-volume-level',
- innerHTML: '<span class="vjs-control-text"></span>'
- });
- };
+ this.clearInterval(this.updateInterval);
+ this.updateInterval = null;
+ }
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+ ;
- return VolumeLevel;
-}(Component);
+ _proto.createEl = function createEl() {
+ return _Slider.prototype.createEl.call(this, 'div', {
+ className: 'vjs-progress-holder'
+ }, {
+ 'aria-label': this.localize('Progress Bar')
+ });
+ }
+ /**
+ * This function updates the play progress bar and accessibility
+ * attributes to whatever is passed in.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `timeupdate` or `ended` event that caused this to run.
+ *
+ * @listens Player#timeupdate
+ *
+ * @return {number}
+ * The current percent at a number from 0-1
+ */
+ ;
-Component.registerComponent('VolumeLevel', VolumeLevel);
+ _proto.update = function update(event) {
+ var _this2 = this;
-/**
- * @file volume-bar.js
- */
-// Required children
-/**
- * The bar that contains the volume level and can be clicked on to adjust the level
- *
- * @extends Slider
- */
+ var percent = _Slider.prototype.update.call(this);
-var VolumeBar = function (_Slider) {
- inherits(VolumeBar, _Slider);
+ this.requestAnimationFrame(function () {
+ var currentTime = _this2.player_.ended() ? _this2.player_.duration() : _this2.getCurrentTime_();
+ var liveTracker = _this2.player_.liveTracker;
- /**
- * Creates an instance of this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
- *
- * @param {Object} [options]
- * The key/value store of player options.
- */
- function VolumeBar(player, options) {
- classCallCheck(this, VolumeBar);
+ var duration = _this2.player_.duration();
- var _this = possibleConstructorReturn(this, _Slider.call(this, player, options));
+ if (liveTracker && liveTracker.isLive()) {
+ duration = _this2.player_.liveTracker.liveCurrentTime();
+ }
- _this.on('slideractive', _this.updateLastVolume_);
- _this.on(player, 'volumechange', _this.updateARIAAttributes);
- player.ready(function () {
- return _this.updateARIAAttributes();
- });
- return _this;
- }
+ if (_this2.percent_ !== percent) {
+ // machine readable value of progress bar (percentage complete)
+ _this2.el_.setAttribute('aria-valuenow', (percent * 100).toFixed(2));
- /**
- * Create the `Component`'s DOM element
- *
- * @return {Element}
- * The element that was created.
- */
+ _this2.percent_ = percent;
+ }
+ if (_this2.currentTime_ !== currentTime || _this2.duration_ !== duration) {
+ // human readable value of progress bar (time complete)
+ _this2.el_.setAttribute('aria-valuetext', _this2.localize('progress bar timing: currentTime={1} duration={2}', [formatTime(currentTime, duration), formatTime(duration, duration)], '{1} of {2}'));
- VolumeBar.prototype.createEl = function createEl$$1() {
- return _Slider.prototype.createEl.call(this, 'div', {
- className: 'vjs-volume-bar vjs-slider-bar'
- }, {
- 'aria-label': this.localize('Volume Level'),
- 'aria-live': 'polite'
- });
- };
+ _this2.currentTime_ = currentTime;
+ _this2.duration_ = duration;
+ } // update the progress bar time tooltip with the current time
- /**
- * Handle mouse down on volume bar
- *
- * @param {EventTarget~Event} event
- * The `mousedown` event that caused this to run.
- *
- * @listens mousedown
- */
+ if (_this2.bar) {
+ _this2.bar.update(getBoundingClientRect(_this2.el()), _this2.getProgress());
+ }
+ });
+ return percent;
+ }
+ /**
+ * Get the value of current time but allows for smooth scrubbing,
+ * when player can't keep up.
+ *
+ * @return {number}
+ * The current time value to display
+ *
+ * @private
+ */
+ ;
- VolumeBar.prototype.handleMouseDown = function handleMouseDown(event) {
- if (!isSingleLeftClick(event)) {
- return;
+ _proto.getCurrentTime_ = function getCurrentTime_() {
+ return this.player_.scrubbing() ? this.player_.getCache().currentTime : this.player_.currentTime();
}
+ /**
+ * Get the percentage of media played so far.
+ *
+ * @return {number}
+ * The percentage of media played so far (0 to 1).
+ */
+ ;
- _Slider.prototype.handleMouseDown.call(this, event);
- };
+ _proto.getPercent = function getPercent() {
+ var currentTime = this.getCurrentTime_();
+ var percent;
+ var liveTracker = this.player_.liveTracker;
- /**
- * Handle movement events on the {@link VolumeMenuButton}.
- *
- * @param {EventTarget~Event} event
- * The event that caused this function to run.
- *
- * @listens mousemove
- */
+ if (liveTracker && liveTracker.isLive()) {
+ percent = (currentTime - liveTracker.seekableStart()) / liveTracker.liveWindow(); // prevent the percent from changing at the live edge
+ if (liveTracker.atLiveEdge()) {
+ percent = 1;
+ }
+ } else {
+ percent = currentTime / this.player_.duration();
+ }
- VolumeBar.prototype.handleMouseMove = function handleMouseMove(event) {
- if (!isSingleLeftClick(event)) {
- return;
+ return percent;
}
+ /**
+ * Handle mouse down on seek bar
+ *
+ * @param {EventTarget~Event} event
+ * The `mousedown` event that caused this to run.
+ *
+ * @listens mousedown
+ */
+ ;
- this.checkMuted();
- this.player_.volume(this.calculateDistance(event));
- };
-
- /**
- * If the player is muted unmute it.
- */
-
-
- VolumeBar.prototype.checkMuted = function checkMuted() {
- if (this.player_.muted()) {
- this.player_.muted(false);
- }
- };
+ _proto.handleMouseDown = function handleMouseDown(event) {
+ if (!isSingleLeftClick(event)) {
+ return;
+ } // Stop event propagation to prevent double fire in progress-control.js
- /**
- * Get percent of volume level
- *
- * @return {number}
- * Volume level percent as a decimal number.
- */
+ event.stopPropagation();
+ this.player_.scrubbing(true);
+ this.videoWasPlaying = !this.player_.paused();
+ this.player_.pause();
- VolumeBar.prototype.getPercent = function getPercent() {
- if (this.player_.muted()) {
- return 0;
+ _Slider.prototype.handleMouseDown.call(this, event);
}
- return this.player_.volume();
- };
-
- /**
- * Increase volume level for keyboard users
- */
-
-
- VolumeBar.prototype.stepForward = function stepForward() {
- this.checkMuted();
- this.player_.volume(this.player_.volume() + 0.1);
- };
+ /**
+ * Handle mouse move on seek bar
+ *
+ * @param {EventTarget~Event} event
+ * The `mousemove` event that caused this to run.
+ *
+ * @listens mousemove
+ */
+ ;
- /**
- * Decrease volume level for keyboard users
- */
+ _proto.handleMouseMove = function handleMouseMove(event) {
+ if (!isSingleLeftClick(event)) {
+ return;
+ }
+ var newTime;
+ var distance = this.calculateDistance(event);
+ var liveTracker = this.player_.liveTracker;
- VolumeBar.prototype.stepBack = function stepBack() {
- this.checkMuted();
- this.player_.volume(this.player_.volume() - 0.1);
- };
+ if (!liveTracker || !liveTracker.isLive()) {
+ newTime = distance * this.player_.duration(); // Don't let video end while scrubbing.
- /**
- * Update ARIA accessibility attributes
- *
- * @param {EventTarget~Event} [event]
- * The `volumechange` event that caused this function to run.
- *
- * @listens Player#volumechange
- */
+ if (newTime === this.player_.duration()) {
+ newTime = newTime - 0.1;
+ }
+ } else {
+ if (distance >= 0.99) {
+ liveTracker.seekToLiveEdge();
+ return;
+ }
+ var seekableStart = liveTracker.seekableStart();
+ var seekableEnd = liveTracker.liveCurrentTime();
+ newTime = seekableStart + distance * liveTracker.liveWindow(); // Don't let video end while scrubbing.
- VolumeBar.prototype.updateARIAAttributes = function updateARIAAttributes(event) {
- var ariaValue = this.player_.muted() ? 0 : this.volumeAsPercentage_();
+ if (newTime >= seekableEnd) {
+ newTime = seekableEnd;
+ } // Compensate for precision differences so that currentTime is not less
+ // than seekable start
- this.el_.setAttribute('aria-valuenow', ariaValue);
- this.el_.setAttribute('aria-valuetext', ariaValue + '%');
- };
- /**
- * Returns the current value of the player volume as a percentage
- *
- * @private
- */
+ if (newTime <= seekableStart) {
+ newTime = seekableStart + 0.1;
+ } // On android seekableEnd can be Infinity sometimes,
+ // this will cause newTime to be Infinity, which is
+ // not a valid currentTime.
- VolumeBar.prototype.volumeAsPercentage_ = function volumeAsPercentage_() {
- return Math.round(this.player_.volume() * 100);
- };
+ if (newTime === Infinity) {
+ return;
+ }
+ } // Set new time (tell player to seek to new time)
- /**
- * When user starts dragging the VolumeBar, store the volume and listen for
- * the end of the drag. When the drag ends, if the volume was set to zero,
- * set lastVolume to the stored volume.
- *
- * @listens slideractive
- * @private
- */
+ this.player_.currentTime(newTime);
+ };
- VolumeBar.prototype.updateLastVolume_ = function updateLastVolume_() {
- var _this2 = this;
+ _proto.enable = function enable() {
+ _Slider.prototype.enable.call(this);
- var volumeBeforeDrag = this.player_.volume();
+ var mouseTimeDisplay = this.getChild('mouseTimeDisplay');
- this.one('sliderinactive', function () {
- if (_this2.player_.volume() === 0) {
- _this2.player_.lastVolume_(volumeBeforeDrag);
+ if (!mouseTimeDisplay) {
+ return;
}
- });
- };
- return VolumeBar;
-}(Slider);
+ mouseTimeDisplay.show();
+ };
-/**
- * Default options for the `VolumeBar`
- *
- * @type {Object}
- * @private
- */
+ _proto.disable = function disable() {
+ _Slider.prototype.disable.call(this);
+ var mouseTimeDisplay = this.getChild('mouseTimeDisplay');
-VolumeBar.prototype.options_ = {
- children: ['volumeLevel'],
- barName: 'volumeLevel'
-};
+ if (!mouseTimeDisplay) {
+ return;
+ }
-/**
- * Call the update event for this Slider when this event happens on the player.
- *
- * @type {string}
- */
-VolumeBar.prototype.playerEvent = 'volumechange';
+ mouseTimeDisplay.hide();
+ }
+ /**
+ * Handle mouse up on seek bar
+ *
+ * @param {EventTarget~Event} event
+ * The `mouseup` event that caused this to run.
+ *
+ * @listens mouseup
+ */
+ ;
-Component.registerComponent('VolumeBar', VolumeBar);
+ _proto.handleMouseUp = function handleMouseUp(event) {
+ _Slider.prototype.handleMouseUp.call(this, event); // Stop event propagation to prevent double fire in progress-control.js
-/**
- * @file volume-control.js
- */
-// Required children
-/**
- * The component for controlling the volume level
- *
- * @extends Component
- */
-var VolumeControl = function (_Component) {
- inherits(VolumeControl, _Component);
+ if (event) {
+ event.stopPropagation();
+ }
- /**
- * Creates an instance of this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
- *
- * @param {Object} [options={}]
- * The key/value store of player options.
- */
- function VolumeControl(player) {
- var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
- classCallCheck(this, VolumeControl);
+ this.player_.scrubbing(false);
+ /**
+ * Trigger timeupdate because we're done seeking and the time has changed.
+ * This is particularly useful for if the player is paused to time the time displays.
+ *
+ * @event Tech#timeupdate
+ * @type {EventTarget~Event}
+ */
- options.vertical = options.vertical || false;
+ this.player_.trigger({
+ type: 'timeupdate',
+ target: this,
+ manuallyTriggered: true
+ });
- // Pass the vertical option down to the VolumeBar if
- // the VolumeBar is turned on.
- if (typeof options.volumeBar === 'undefined' || isPlain(options.volumeBar)) {
- options.volumeBar = options.volumeBar || {};
- options.volumeBar.vertical = options.vertical;
+ if (this.videoWasPlaying) {
+ silencePromise(this.player_.play());
+ } else {
+ // We're done seeking and the time has changed.
+ // If the player is paused, make sure we display the correct time on the seek bar.
+ this.update_();
+ }
}
+ /**
+ * Move more quickly fast forward for keyboard-only users
+ */
+ ;
- // hide this control if volume support is missing
- var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
-
- checkVolumeSupport(_this, player);
-
- _this.throttledHandleMouseMove = throttle(bind(_this, _this.handleMouseMove), 25);
+ _proto.stepForward = function stepForward() {
+ this.player_.currentTime(this.player_.currentTime() + STEP_SECONDS);
+ }
+ /**
+ * Move more quickly rewind for keyboard-only users
+ */
+ ;
- _this.on('mousedown', _this.handleMouseDown);
- _this.on('touchstart', _this.handleMouseDown);
+ _proto.stepBack = function stepBack() {
+ this.player_.currentTime(this.player_.currentTime() - STEP_SECONDS);
+ }
+ /**
+ * Toggles the playback state of the player
+ * This gets called when enter or space is used on the seekbar
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown` event that caused this function to be called
+ *
+ */
+ ;
- // while the slider is active (the mouse has been pressed down and
- // is dragging) or in focus we do not want to hide the VolumeBar
- _this.on(_this.volumeBar, ['focus', 'slideractive'], function () {
- _this.volumeBar.addClass('vjs-slider-active');
- _this.addClass('vjs-slider-active');
- _this.trigger('slideractive');
- });
+ _proto.handleAction = function handleAction(event) {
+ if (this.player_.paused()) {
+ this.player_.play();
+ } else {
+ this.player_.pause();
+ }
+ }
+ /**
+ * Called when this SeekBar has focus and a key gets pressed down.
+ * Supports the following keys:
+ *
+ * Space or Enter key fire a click event
+ * Home key moves to start of the timeline
+ * End key moves to end of the timeline
+ * Digit "0" through "9" keys move to 0%, 10% ... 80%, 90% of the timeline
+ * PageDown key moves back a larger step than ArrowDown
+ * PageUp key moves forward a large step
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown` event that caused this function to be called.
+ *
+ * @listens keydown
+ */
+ ;
- _this.on(_this.volumeBar, ['blur', 'sliderinactive'], function () {
- _this.volumeBar.removeClass('vjs-slider-active');
- _this.removeClass('vjs-slider-active');
- _this.trigger('sliderinactive');
- });
- return _this;
- }
+ _proto.handleKeyDown = function handleKeyDown(event) {
+ if (keycode.isEventKey(event, 'Space') || keycode.isEventKey(event, 'Enter')) {
+ event.preventDefault();
+ event.stopPropagation();
+ this.handleAction(event);
+ } else if (keycode.isEventKey(event, 'Home')) {
+ event.preventDefault();
+ event.stopPropagation();
+ this.player_.currentTime(0);
+ } else if (keycode.isEventKey(event, 'End')) {
+ event.preventDefault();
+ event.stopPropagation();
+ this.player_.currentTime(this.player_.duration());
+ } else if (/^[0-9]$/.test(keycode(event))) {
+ event.preventDefault();
+ event.stopPropagation();
+ var gotoFraction = (keycode.codes[keycode(event)] - keycode.codes['0']) * 10.0 / 100.0;
+ this.player_.currentTime(this.player_.duration() * gotoFraction);
+ } else if (keycode.isEventKey(event, 'PgDn')) {
+ event.preventDefault();
+ event.stopPropagation();
+ this.player_.currentTime(this.player_.currentTime() - STEP_SECONDS * PAGE_KEY_MULTIPLIER);
+ } else if (keycode.isEventKey(event, 'PgUp')) {
+ event.preventDefault();
+ event.stopPropagation();
+ this.player_.currentTime(this.player_.currentTime() + STEP_SECONDS * PAGE_KEY_MULTIPLIER);
+ } else {
+ // Pass keydown handling up for unsupported keys
+ _Slider.prototype.handleKeyDown.call(this, event);
+ }
+ };
+ return SeekBar;
+ }(Slider);
/**
- * Create the `Component`'s DOM element
+ * Default options for the `SeekBar`
*
- * @return {Element}
- * The element that was created.
+ * @type {Object}
+ * @private
*/
- VolumeControl.prototype.createEl = function createEl() {
- var orientationClass = 'vjs-volume-horizontal';
+ SeekBar.prototype.options_ = {
+ children: ['loadProgressBar', 'playProgressBar'],
+ barName: 'playProgressBar'
+ }; // MouseTimeDisplay tooltips should not be added to a player on mobile devices
- if (this.options_.vertical) {
- orientationClass = 'vjs-volume-vertical';
- }
+ if (!IS_IOS && !IS_ANDROID) {
+ SeekBar.prototype.options_.children.splice(1, 0, 'mouseTimeDisplay');
+ }
- return _Component.prototype.createEl.call(this, 'div', {
- className: 'vjs-volume-control vjs-control ' + orientationClass
- });
- };
+ Component.registerComponent('SeekBar', SeekBar);
/**
- * Handle `mousedown` or `touchstart` events on the `VolumeControl`.
- *
- * @param {EventTarget~Event} event
- * `mousedown` or `touchstart` event that triggered this function
+ * The Progress Control component contains the seek bar, load progress,
+ * and play progress.
*
- * @listens mousedown
- * @listens touchstart
+ * @extends Component
*/
+ var ProgressControl = /*#__PURE__*/function (_Component) {
+ inheritsLoose(ProgressControl, _Component);
- VolumeControl.prototype.handleMouseDown = function handleMouseDown(event) {
- var doc = this.el_.ownerDocument;
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function ProgressControl(player, options) {
+ var _this;
- this.on(doc, 'mousemove', this.throttledHandleMouseMove);
- this.on(doc, 'touchmove', this.throttledHandleMouseMove);
- this.on(doc, 'mouseup', this.handleMouseUp);
- this.on(doc, 'touchend', this.handleMouseUp);
- };
+ _this = _Component.call(this, player, options) || this;
+ _this.handleMouseMove = throttle(bind(assertThisInitialized(_this), _this.handleMouseMove), UPDATE_REFRESH_INTERVAL);
+ _this.throttledHandleMouseSeek = throttle(bind(assertThisInitialized(_this), _this.handleMouseSeek), UPDATE_REFRESH_INTERVAL);
- /**
- * Handle `mouseup` or `touchend` events on the `VolumeControl`.
- *
- * @param {EventTarget~Event} event
- * `mouseup` or `touchend` event that triggered this function.
- *
- * @listens touchend
- * @listens mouseup
- */
+ _this.enable();
+ return _this;
+ }
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
- VolumeControl.prototype.handleMouseUp = function handleMouseUp(event) {
- var doc = this.el_.ownerDocument;
- this.off(doc, 'mousemove', this.throttledHandleMouseMove);
- this.off(doc, 'touchmove', this.throttledHandleMouseMove);
- this.off(doc, 'mouseup', this.handleMouseUp);
- this.off(doc, 'touchend', this.handleMouseUp);
- };
+ var _proto = ProgressControl.prototype;
- /**
- * Handle `mousedown` or `touchstart` events on the `VolumeControl`.
- *
- * @param {EventTarget~Event} event
- * `mousedown` or `touchstart` event that triggered this function
- *
- * @listens mousedown
- * @listens touchstart
- */
+ _proto.createEl = function createEl() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-progress-control vjs-control'
+ });
+ }
+ /**
+ * When the mouse moves over the `ProgressControl`, the pointer position
+ * gets passed down to the `MouseTimeDisplay` component.
+ *
+ * @param {EventTarget~Event} event
+ * The `mousemove` event that caused this function to run.
+ *
+ * @listen mousemove
+ */
+ ;
+ _proto.handleMouseMove = function handleMouseMove(event) {
+ var seekBar = this.getChild('seekBar');
- VolumeControl.prototype.handleMouseMove = function handleMouseMove(event) {
- this.volumeBar.handleMouseMove(event);
- };
+ if (!seekBar) {
+ return;
+ }
- return VolumeControl;
-}(Component);
+ var playProgressBar = seekBar.getChild('playProgressBar');
+ var mouseTimeDisplay = seekBar.getChild('mouseTimeDisplay');
-/**
- * Default options for the `VolumeControl`
- *
- * @type {Object}
- * @private
- */
+ if (!playProgressBar && !mouseTimeDisplay) {
+ return;
+ }
+ var seekBarEl = seekBar.el();
+ var seekBarRect = getBoundingClientRect(seekBarEl);
+ var seekBarPoint = getPointerPosition(seekBarEl, event).x; // The default skin has a gap on either side of the `SeekBar`. This means
+ // that it's possible to trigger this behavior outside the boundaries of
+ // the `SeekBar`. This ensures we stay within it at all times.
-VolumeControl.prototype.options_ = {
- children: ['volumeBar']
-};
+ seekBarPoint = clamp(0, 1, seekBarPoint);
-Component.registerComponent('VolumeControl', VolumeControl);
+ if (mouseTimeDisplay) {
+ mouseTimeDisplay.update(seekBarRect, seekBarPoint);
+ }
-/**
- * @file mute-toggle.js
- */
-/**
- * A button component for muting the audio.
- *
- * @extends Button
- */
+ if (playProgressBar) {
+ playProgressBar.update(seekBarRect, seekBar.getProgress());
+ }
+ }
+ /**
+ * A throttled version of the {@link ProgressControl#handleMouseSeek} listener.
+ *
+ * @method ProgressControl#throttledHandleMouseSeek
+ * @param {EventTarget~Event} event
+ * The `mousemove` event that caused this function to run.
+ *
+ * @listen mousemove
+ * @listen touchmove
+ */
-var MuteToggle = function (_Button) {
- inherits(MuteToggle, _Button);
+ /**
+ * Handle `mousemove` or `touchmove` events on the `ProgressControl`.
+ *
+ * @param {EventTarget~Event} event
+ * `mousedown` or `touchstart` event that triggered this function
+ *
+ * @listens mousemove
+ * @listens touchmove
+ */
+ ;
- /**
- * Creates an instance of this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
- *
- * @param {Object} [options]
- * The key/value store of player options.
- */
- function MuteToggle(player, options) {
- classCallCheck(this, MuteToggle);
+ _proto.handleMouseSeek = function handleMouseSeek(event) {
+ var seekBar = this.getChild('seekBar');
- // hide this control if volume support is missing
- var _this = possibleConstructorReturn(this, _Button.call(this, player, options));
+ if (seekBar) {
+ seekBar.handleMouseMove(event);
+ }
+ }
+ /**
+ * Are controls are currently enabled for this progress control.
+ *
+ * @return {boolean}
+ * true if controls are enabled, false otherwise
+ */
+ ;
- checkVolumeSupport(_this, player);
+ _proto.enabled = function enabled() {
+ return this.enabled_;
+ }
+ /**
+ * Disable all controls on the progress control and its children
+ */
+ ;
- _this.on(player, ['loadstart', 'volumechange'], _this.update);
- return _this;
- }
+ _proto.disable = function disable() {
+ this.children().forEach(function (child) {
+ return child.disable && child.disable();
+ });
- /**
- * Builds the default DOM `className`.
- *
- * @return {string}
- * The DOM `className` for this object.
- */
+ if (!this.enabled()) {
+ return;
+ }
+ this.off(['mousedown', 'touchstart'], this.handleMouseDown);
+ this.off(this.el_, 'mousemove', this.handleMouseMove);
+ this.handleMouseUp();
+ this.addClass('disabled');
+ this.enabled_ = false;
+ }
+ /**
+ * Enable all controls on the progress control and its children
+ */
+ ;
- MuteToggle.prototype.buildCSSClass = function buildCSSClass() {
- return 'vjs-mute-control ' + _Button.prototype.buildCSSClass.call(this);
- };
+ _proto.enable = function enable() {
+ this.children().forEach(function (child) {
+ return child.enable && child.enable();
+ });
- /**
- * This gets called when an `MuteToggle` is "clicked". See
- * {@link ClickableComponent} for more detailed information on what a click can be.
- *
- * @param {EventTarget~Event} [event]
- * The `keydown`, `tap`, or `click` event that caused this function to be
- * called.
- *
- * @listens tap
- * @listens click
- */
+ if (this.enabled()) {
+ return;
+ }
+ this.on(['mousedown', 'touchstart'], this.handleMouseDown);
+ this.on(this.el_, 'mousemove', this.handleMouseMove);
+ this.removeClass('disabled');
+ this.enabled_ = true;
+ }
+ /**
+ * Handle `mousedown` or `touchstart` events on the `ProgressControl`.
+ *
+ * @param {EventTarget~Event} event
+ * `mousedown` or `touchstart` event that triggered this function
+ *
+ * @listens mousedown
+ * @listens touchstart
+ */
+ ;
- MuteToggle.prototype.handleClick = function handleClick(event) {
- var vol = this.player_.volume();
- var lastVolume = this.player_.lastVolume_();
+ _proto.handleMouseDown = function handleMouseDown(event) {
+ var doc = this.el_.ownerDocument;
+ var seekBar = this.getChild('seekBar');
- if (vol === 0) {
- var volumeToSet = lastVolume < 0.1 ? 0.1 : lastVolume;
+ if (seekBar) {
+ seekBar.handleMouseDown(event);
+ }
- this.player_.volume(volumeToSet);
- this.player_.muted(false);
- } else {
- this.player_.muted(this.player_.muted() ? false : true);
+ this.on(doc, 'mousemove', this.throttledHandleMouseSeek);
+ this.on(doc, 'touchmove', this.throttledHandleMouseSeek);
+ this.on(doc, 'mouseup', this.handleMouseUp);
+ this.on(doc, 'touchend', this.handleMouseUp);
}
- };
+ /**
+ * Handle `mouseup` or `touchend` events on the `ProgressControl`.
+ *
+ * @param {EventTarget~Event} event
+ * `mouseup` or `touchend` event that triggered this function.
+ *
+ * @listens touchend
+ * @listens mouseup
+ */
+ ;
- /**
- * Update the `MuteToggle` button based on the state of `volume` and `muted`
- * on the player.
- *
- * @param {EventTarget~Event} [event]
- * The {@link Player#loadstart} event if this function was called
- * through an event.
- *
- * @listens Player#loadstart
- * @listens Player#volumechange
- */
+ _proto.handleMouseUp = function handleMouseUp(event) {
+ var doc = this.el_.ownerDocument;
+ var seekBar = this.getChild('seekBar');
+ if (seekBar) {
+ seekBar.handleMouseUp(event);
+ }
- MuteToggle.prototype.update = function update(event) {
- this.updateIcon_();
- this.updateControlText_();
- };
+ this.off(doc, 'mousemove', this.throttledHandleMouseSeek);
+ this.off(doc, 'touchmove', this.throttledHandleMouseSeek);
+ this.off(doc, 'mouseup', this.handleMouseUp);
+ this.off(doc, 'touchend', this.handleMouseUp);
+ };
+ return ProgressControl;
+ }(Component);
/**
- * Update the appearance of the `MuteToggle` icon.
- *
- * Possible states (given `level` variable below):
- * - 0: crossed out
- * - 1: zero bars of volume
- * - 2: one bar of volume
- * - 3: two bars of volume
+ * Default options for `ProgressControl`
*
+ * @type {Object}
* @private
*/
- MuteToggle.prototype.updateIcon_ = function updateIcon_() {
- var vol = this.player_.volume();
- var level = 3;
-
- if (vol === 0 || this.player_.muted()) {
- level = 0;
- } else if (vol < 0.33) {
- level = 1;
- } else if (vol < 0.67) {
- level = 2;
- }
-
- // TODO improve muted icon classes
- for (var i = 0; i < 4; i++) {
- removeClass(this.el_, 'vjs-vol-' + i);
- }
- addClass(this.el_, 'vjs-vol-' + level);
+ ProgressControl.prototype.options_ = {
+ children: ['seekBar']
};
+ Component.registerComponent('ProgressControl', ProgressControl);
/**
- * If `muted` has changed on the player, update the control text
- * (`title` attribute on `vjs-mute-control` element and content of
- * `vjs-control-text` element).
+ * Toggle Picture-in-Picture mode
*
- * @private
+ * @extends Button
*/
+ var PictureInPictureToggle = /*#__PURE__*/function (_Button) {
+ inheritsLoose(PictureInPictureToggle, _Button);
- MuteToggle.prototype.updateControlText_ = function updateControlText_() {
- var soundOff = this.player_.muted() || this.player_.volume() === 0;
- var text = soundOff ? 'Unmute' : 'Mute';
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ *
+ * @listens Player#enterpictureinpicture
+ * @listens Player#leavepictureinpicture
+ */
+ function PictureInPictureToggle(player, options) {
+ var _this;
- if (this.controlText() !== text) {
- this.controlText(text);
- }
- };
+ _this = _Button.call(this, player, options) || this;
- return MuteToggle;
-}(Button);
-
-/**
- * The text that should display over the `MuteToggle`s controls. Added for localization.
- *
- * @type {string}
- * @private
- */
+ _this.on(player, ['enterpictureinpicture', 'leavepictureinpicture'], _this.handlePictureInPictureChange); // TODO: Activate button on player loadedmetadata event.
+ // TODO: Deactivate button on player emptied event.
+ // TODO: Deactivate button if disablepictureinpicture attribute is present.
-MuteToggle.prototype.controlText_ = 'Mute';
-
-Component.registerComponent('MuteToggle', MuteToggle);
+ if (!document.pictureInPictureEnabled) {
+ _this.disable();
+ }
-/**
- * @file volume-control.js
- */
-// Required children
-/**
- * A Component to contain the MuteToggle and VolumeControl so that
- * they can work together.
- *
- * @extends Component
- */
+ return _this;
+ }
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
-var VolumePanel = function (_Component) {
- inherits(VolumePanel, _Component);
- /**
- * Creates an instance of this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
- *
- * @param {Object} [options={}]
- * The key/value store of player options.
- */
- function VolumePanel(player) {
- var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
- classCallCheck(this, VolumePanel);
+ var _proto = PictureInPictureToggle.prototype;
- if (typeof options.inline !== 'undefined') {
- options.inline = options.inline;
- } else {
- options.inline = true;
+ _proto.buildCSSClass = function buildCSSClass() {
+ return "vjs-picture-in-picture-control " + _Button.prototype.buildCSSClass.call(this);
}
+ /**
+ * Handles enterpictureinpicture and leavepictureinpicture on the player and change control text accordingly.
+ *
+ * @param {EventTarget~Event} [event]
+ * The {@link Player#enterpictureinpicture} or {@link Player#leavepictureinpicture} event that caused this function to be
+ * called.
+ *
+ * @listens Player#enterpictureinpicture
+ * @listens Player#leavepictureinpicture
+ */
+ ;
- // pass the inline option down to the VolumeControl as vertical if
- // the VolumeControl is on.
- if (typeof options.volumeControl === 'undefined' || isPlain(options.volumeControl)) {
- options.volumeControl = options.volumeControl || {};
- options.volumeControl.vertical = !options.inline;
+ _proto.handlePictureInPictureChange = function handlePictureInPictureChange(event) {
+ if (this.player_.isInPictureInPicture()) {
+ this.controlText('Exit Picture-in-Picture');
+ } else {
+ this.controlText('Picture-in-Picture');
+ }
}
+ /**
+ * This gets called when an `PictureInPictureToggle` is "clicked". See
+ * {@link ClickableComponent} for more detailed information on what a click can be.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
+ ;
- // hide this control if volume support is missing
- var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
-
- checkVolumeSupport(_this, player);
-
- // while the slider is active (the mouse has been pressed down and
- // is dragging) we do not want to hide the VolumeBar
- _this.on(_this.volumeControl, ['slideractive'], _this.sliderActive_);
-
- _this.on(_this.volumeControl, ['sliderinactive'], _this.sliderInactive_);
- return _this;
- }
+ _proto.handleClick = function handleClick(event) {
+ if (!this.player_.isInPictureInPicture()) {
+ this.player_.requestPictureInPicture();
+ } else {
+ this.player_.exitPictureInPicture();
+ }
+ };
+ return PictureInPictureToggle;
+ }(Button);
/**
- * Add vjs-slider-active class to the VolumePanel
+ * The text that should display over the `PictureInPictureToggle`s controls. Added for localization.
*
- * @listens VolumeControl#slideractive
+ * @type {string}
* @private
*/
- VolumePanel.prototype.sliderActive_ = function sliderActive_() {
- this.addClass('vjs-slider-active');
- };
+ PictureInPictureToggle.prototype.controlText_ = 'Picture-in-Picture';
+ Component.registerComponent('PictureInPictureToggle', PictureInPictureToggle);
/**
- * Removes vjs-slider-active class to the VolumePanel
+ * Toggle fullscreen video
*
- * @listens VolumeControl#sliderinactive
- * @private
+ * @extends Button
*/
+ var FullscreenToggle = /*#__PURE__*/function (_Button) {
+ inheritsLoose(FullscreenToggle, _Button);
- VolumePanel.prototype.sliderInactive_ = function sliderInactive_() {
- this.removeClass('vjs-slider-active');
- };
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function FullscreenToggle(player, options) {
+ var _this;
- /**
- * Create the `Component`'s DOM element
- *
- * @return {Element}
- * The element that was created.
- */
+ _this = _Button.call(this, player, options) || this;
+ _this.on(player, 'fullscreenchange', _this.handleFullscreenChange);
- VolumePanel.prototype.createEl = function createEl() {
- var orientationClass = 'vjs-volume-panel-horizontal';
+ if (document[player.fsApi_.fullscreenEnabled] === false) {
+ _this.disable();
+ }
- if (!this.options_.inline) {
- orientationClass = 'vjs-volume-panel-vertical';
+ return _this;
}
-
- return _Component.prototype.createEl.call(this, 'div', {
- className: 'vjs-volume-panel vjs-control ' + orientationClass
- });
- };
-
- return VolumePanel;
-}(Component);
-
-/**
- * Default options for the `VolumeControl`
- *
- * @type {Object}
- * @private
- */
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
-VolumePanel.prototype.options_ = {
- children: ['muteToggle', 'volumeControl']
-};
+ var _proto = FullscreenToggle.prototype;
-Component.registerComponent('VolumePanel', VolumePanel);
+ _proto.buildCSSClass = function buildCSSClass() {
+ return "vjs-fullscreen-control " + _Button.prototype.buildCSSClass.call(this);
+ }
+ /**
+ * Handles fullscreenchange on the player and change control text accordingly.
+ *
+ * @param {EventTarget~Event} [event]
+ * The {@link Player#fullscreenchange} event that caused this function to be
+ * called.
+ *
+ * @listens Player#fullscreenchange
+ */
+ ;
-/**
- * @file menu.js
- */
-/**
- * The Menu component is used to build popup menus, including subtitle and
- * captions selection menus.
- *
- * @extends Component
- */
+ _proto.handleFullscreenChange = function handleFullscreenChange(event) {
+ if (this.player_.isFullscreen()) {
+ this.controlText('Non-Fullscreen');
+ } else {
+ this.controlText('Fullscreen');
+ }
+ }
+ /**
+ * This gets called when an `FullscreenToggle` is "clicked". See
+ * {@link ClickableComponent} for more detailed information on what a click can be.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
+ ;
-var Menu = function (_Component) {
- inherits(Menu, _Component);
+ _proto.handleClick = function handleClick(event) {
+ if (!this.player_.isFullscreen()) {
+ this.player_.requestFullscreen();
+ } else {
+ this.player_.exitFullscreen();
+ }
+ };
+ return FullscreenToggle;
+ }(Button);
/**
- * Create an instance of this class.
- *
- * @param {Player} player
- * the player that this component should attach to
- *
- * @param {Object} [options]
- * Object of option names and values
+ * The text that should display over the `FullscreenToggle`s controls. Added for localization.
*
+ * @type {string}
+ * @private
*/
- function Menu(player, options) {
- classCallCheck(this, Menu);
- var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
- if (options) {
- _this.menuButton_ = options.menuButton;
- }
-
- _this.focusedChild_ = -1;
-
- _this.on('keydown', _this.handleKeyPress);
- return _this;
- }
+ FullscreenToggle.prototype.controlText_ = 'Fullscreen';
+ Component.registerComponent('FullscreenToggle', FullscreenToggle);
/**
- * Add a {@link MenuItem} to the menu.
+ * Check if volume control is supported and if it isn't hide the
+ * `Component` that was passed using the `vjs-hidden` class.
*
- * @param {Object|string} component
- * The name or instance of the `MenuItem` to add.
+ * @param {Component} self
+ * The component that should be hidden if volume is unsupported
*
+ * @param {Player} player
+ * A reference to the player
+ *
+ * @private
*/
+ var checkVolumeSupport = function checkVolumeSupport(self, player) {
+ // hide volume controls when they're not supported by the current tech
+ if (player.tech_ && !player.tech_.featuresVolumeControl) {
+ self.addClass('vjs-hidden');
+ }
-
- Menu.prototype.addItem = function addItem(component) {
- this.addChild(component);
- component.on('click', bind(this, function (event) {
- // Unpress the associated MenuButton, and move focus back to it
- if (this.menuButton_) {
- this.menuButton_.unpressButton();
-
- // don't focus menu button if item is a caption settings item
- // because focus will move elsewhere and it logs an error on IE8
- if (component.name() !== 'CaptionSettingsMenuItem') {
- this.menuButton_.focus();
- }
+ self.on(player, 'loadstart', function () {
+ if (!player.tech_.featuresVolumeControl) {
+ self.addClass('vjs-hidden');
+ } else {
+ self.removeClass('vjs-hidden');
}
- }));
+ });
};
/**
- * Create the `Menu`s DOM element.
+ * Shows volume level
*
- * @return {Element}
- * the element that was created
+ * @extends Component
*/
+ var VolumeLevel = /*#__PURE__*/function (_Component) {
+ inheritsLoose(VolumeLevel, _Component);
- Menu.prototype.createEl = function createEl$$1() {
- var contentElType = this.options_.contentElType || 'ul';
-
- this.contentEl_ = createEl(contentElType, {
- className: 'vjs-menu-content'
- });
-
- this.contentEl_.setAttribute('role', 'menu');
-
- var el = _Component.prototype.createEl.call(this, 'div', {
- append: this.contentEl_,
- className: 'vjs-menu'
- });
-
- el.appendChild(this.contentEl_);
+ function VolumeLevel() {
+ return _Component.apply(this, arguments) || this;
+ }
- // Prevent clicks from bubbling up. Needed for Menu Buttons,
- // where a click on the parent is significant
- on(el, 'click', function (event) {
- event.preventDefault();
- event.stopImmediatePropagation();
- });
+ var _proto = VolumeLevel.prototype;
- return el;
- };
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+ _proto.createEl = function createEl() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-volume-level',
+ innerHTML: '<span class="vjs-control-text"></span>'
+ });
+ };
- Menu.prototype.dispose = function dispose() {
- this.contentEl_ = null;
+ return VolumeLevel;
+ }(Component);
- _Component.prototype.dispose.call(this);
- };
+ Component.registerComponent('VolumeLevel', VolumeLevel);
/**
- * Handle a `keydown` event on this menu. This listener is added in the constructor.
- *
- * @param {EventTarget~Event} event
- * A `keydown` event that happened on the menu.
+ * The bar that contains the volume level and can be clicked on to adjust the level
*
- * @listens keydown
+ * @extends Slider
*/
+ var VolumeBar = /*#__PURE__*/function (_Slider) {
+ inheritsLoose(VolumeBar, _Slider);
- Menu.prototype.handleKeyPress = function handleKeyPress(event) {
- // Left and Down Arrows
- if (event.which === 37 || event.which === 40) {
- event.preventDefault();
- this.stepForward();
-
- // Up and Right Arrows
- } else if (event.which === 38 || event.which === 39) {
- event.preventDefault();
- this.stepBack();
- }
- };
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function VolumeBar(player, options) {
+ var _this;
- /**
- * Move to next (lower) menu item for keyboard users.
- */
+ _this = _Slider.call(this, player, options) || this;
+ _this.on('slideractive', _this.updateLastVolume_);
- Menu.prototype.stepForward = function stepForward() {
- var stepChild = 0;
+ _this.on(player, 'volumechange', _this.updateARIAAttributes);
- if (this.focusedChild_ !== undefined) {
- stepChild = this.focusedChild_ + 1;
+ player.ready(function () {
+ return _this.updateARIAAttributes();
+ });
+ return _this;
}
- this.focus(stepChild);
- };
-
- /**
- * Move to previous (higher) menu item for keyboard users.
- */
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
- Menu.prototype.stepBack = function stepBack() {
- var stepChild = 0;
+ var _proto = VolumeBar.prototype;
- if (this.focusedChild_ !== undefined) {
- stepChild = this.focusedChild_ - 1;
+ _proto.createEl = function createEl() {
+ return _Slider.prototype.createEl.call(this, 'div', {
+ className: 'vjs-volume-bar vjs-slider-bar'
+ }, {
+ 'aria-label': this.localize('Volume Level'),
+ 'aria-live': 'polite'
+ });
}
- this.focus(stepChild);
- };
+ /**
+ * Handle mouse down on volume bar
+ *
+ * @param {EventTarget~Event} event
+ * The `mousedown` event that caused this to run.
+ *
+ * @listens mousedown
+ */
+ ;
- /**
- * Set focus on a {@link MenuItem} in the `Menu`.
- *
- * @param {Object|string} [item=0]
- * Index of child item set focus on.
- */
+ _proto.handleMouseDown = function handleMouseDown(event) {
+ if (!isSingleLeftClick(event)) {
+ return;
+ }
+ _Slider.prototype.handleMouseDown.call(this, event);
+ }
+ /**
+ * Handle movement events on the {@link VolumeMenuButton}.
+ *
+ * @param {EventTarget~Event} event
+ * The event that caused this function to run.
+ *
+ * @listens mousemove
+ */
+ ;
- Menu.prototype.focus = function focus() {
- var item = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
+ _proto.handleMouseMove = function handleMouseMove(event) {
+ if (!isSingleLeftClick(event)) {
+ return;
+ }
- var children = this.children().slice();
- var haveTitle = children.length && children[0].className && /vjs-menu-title/.test(children[0].className);
+ this.checkMuted();
+ this.player_.volume(this.calculateDistance(event));
+ }
+ /**
+ * If the player is muted unmute it.
+ */
+ ;
- if (haveTitle) {
- children.shift();
+ _proto.checkMuted = function checkMuted() {
+ if (this.player_.muted()) {
+ this.player_.muted(false);
+ }
}
+ /**
+ * Get percent of volume level
+ *
+ * @return {number}
+ * Volume level percent as a decimal number.
+ */
+ ;
- if (children.length > 0) {
- if (item < 0) {
- item = 0;
- } else if (item >= children.length) {
- item = children.length - 1;
+ _proto.getPercent = function getPercent() {
+ if (this.player_.muted()) {
+ return 0;
}
- this.focusedChild_ = item;
+ return this.player_.volume();
+ }
+ /**
+ * Increase volume level for keyboard users
+ */
+ ;
- children[item].el_.focus();
+ _proto.stepForward = function stepForward() {
+ this.checkMuted();
+ this.player_.volume(this.player_.volume() + 0.1);
}
- };
+ /**
+ * Decrease volume level for keyboard users
+ */
+ ;
- return Menu;
-}(Component);
+ _proto.stepBack = function stepBack() {
+ this.checkMuted();
+ this.player_.volume(this.player_.volume() - 0.1);
+ }
+ /**
+ * Update ARIA accessibility attributes
+ *
+ * @param {EventTarget~Event} [event]
+ * The `volumechange` event that caused this function to run.
+ *
+ * @listens Player#volumechange
+ */
+ ;
-Component.registerComponent('Menu', Menu);
+ _proto.updateARIAAttributes = function updateARIAAttributes(event) {
+ var ariaValue = this.player_.muted() ? 0 : this.volumeAsPercentage_();
+ this.el_.setAttribute('aria-valuenow', ariaValue);
+ this.el_.setAttribute('aria-valuetext', ariaValue + '%');
+ }
+ /**
+ * Returns the current value of the player volume as a percentage
+ *
+ * @private
+ */
+ ;
-/**
- * @file menu-button.js
- */
-/**
- * A `MenuButton` class for any popup {@link Menu}.
- *
- * @extends Component
- */
+ _proto.volumeAsPercentage_ = function volumeAsPercentage_() {
+ return Math.round(this.player_.volume() * 100);
+ }
+ /**
+ * When user starts dragging the VolumeBar, store the volume and listen for
+ * the end of the drag. When the drag ends, if the volume was set to zero,
+ * set lastVolume to the stored volume.
+ *
+ * @listens slideractive
+ * @private
+ */
+ ;
-var MenuButton = function (_Component) {
- inherits(MenuButton, _Component);
+ _proto.updateLastVolume_ = function updateLastVolume_() {
+ var _this2 = this;
+
+ var volumeBeforeDrag = this.player_.volume();
+ this.one('sliderinactive', function () {
+ if (_this2.player_.volume() === 0) {
+ _this2.player_.lastVolume_(volumeBeforeDrag);
+ }
+ });
+ };
+ return VolumeBar;
+ }(Slider);
/**
- * Creates an instance of this class.
+ * Default options for the `VolumeBar`
*
- * @param {Player} player
- * The `Player` that this class should be attached to.
+ * @type {Object}
+ * @private
+ */
+
+
+ VolumeBar.prototype.options_ = {
+ children: ['volumeLevel'],
+ barName: 'volumeLevel'
+ };
+ /**
+ * Call the update event for this Slider when this event happens on the player.
*
- * @param {Object} [options={}]
- * The key/value store of player options.
+ * @type {string}
*/
- function MenuButton(player) {
- var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
- classCallCheck(this, MenuButton);
- var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+ VolumeBar.prototype.playerEvent = 'volumechange';
+ Component.registerComponent('VolumeBar', VolumeBar);
- _this.menuButton_ = new Button(player, options);
+ /**
+ * The component for controlling the volume level
+ *
+ * @extends Component
+ */
- _this.menuButton_.controlText(_this.controlText_);
- _this.menuButton_.el_.setAttribute('aria-haspopup', 'true');
+ var VolumeControl = /*#__PURE__*/function (_Component) {
+ inheritsLoose(VolumeControl, _Component);
- // Add buildCSSClass values to the button, not the wrapper
- var buttonClass = Button.prototype.buildCSSClass();
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options={}]
+ * The key/value store of player options.
+ */
+ function VolumeControl(player, options) {
+ var _this;
- _this.menuButton_.el_.className = _this.buildCSSClass() + ' ' + buttonClass;
- _this.menuButton_.removeClass('vjs-control');
+ if (options === void 0) {
+ options = {};
+ }
- _this.addChild(_this.menuButton_);
+ options.vertical = options.vertical || false; // Pass the vertical option down to the VolumeBar if
+ // the VolumeBar is turned on.
- _this.update();
+ if (typeof options.volumeBar === 'undefined' || isPlain(options.volumeBar)) {
+ options.volumeBar = options.volumeBar || {};
+ options.volumeBar.vertical = options.vertical;
+ }
- _this.enabled_ = true;
+ _this = _Component.call(this, player, options) || this; // hide this control if volume support is missing
- _this.on(_this.menuButton_, 'tap', _this.handleClick);
- _this.on(_this.menuButton_, 'click', _this.handleClick);
- _this.on(_this.menuButton_, 'focus', _this.handleFocus);
- _this.on(_this.menuButton_, 'blur', _this.handleBlur);
+ checkVolumeSupport(assertThisInitialized(_this), player);
+ _this.throttledHandleMouseMove = throttle(bind(assertThisInitialized(_this), _this.handleMouseMove), UPDATE_REFRESH_INTERVAL);
- _this.on('keydown', _this.handleSubmenuKeyPress);
- return _this;
- }
+ _this.on('mousedown', _this.handleMouseDown);
- /**
- * Update the menu based on the current state of its items.
- */
+ _this.on('touchstart', _this.handleMouseDown); // while the slider is active (the mouse has been pressed down and
+ // is dragging) or in focus we do not want to hide the VolumeBar
- MenuButton.prototype.update = function update() {
- var menu = this.createMenu();
+ _this.on(_this.volumeBar, ['focus', 'slideractive'], function () {
+ _this.volumeBar.addClass('vjs-slider-active');
- if (this.menu) {
- this.menu.dispose();
- this.removeChild(this.menu);
- }
+ _this.addClass('vjs-slider-active');
- this.menu = menu;
- this.addChild(menu);
+ _this.trigger('slideractive');
+ });
+
+ _this.on(_this.volumeBar, ['blur', 'sliderinactive'], function () {
+ _this.volumeBar.removeClass('vjs-slider-active');
+
+ _this.removeClass('vjs-slider-active');
+
+ _this.trigger('sliderinactive');
+ });
+ return _this;
+ }
/**
- * Track the state of the menu button
+ * Create the `Component`'s DOM element
*
- * @type {Boolean}
- * @private
+ * @return {Element}
+ * The element that was created.
*/
- this.buttonPressed_ = false;
- this.menuButton_.el_.setAttribute('aria-expanded', 'false');
- if (this.items && this.items.length <= this.hideThreshold_) {
- this.hide();
- } else {
- this.show();
- }
- };
- /**
- * Create the menu and add all items to it.
- *
- * @return {Menu}
- * The constructed menu
- */
+ var _proto = VolumeControl.prototype;
+ _proto.createEl = function createEl() {
+ var orientationClass = 'vjs-volume-horizontal';
- MenuButton.prototype.createMenu = function createMenu() {
- var menu = new Menu(this.player_, { menuButton: this });
+ if (this.options_.vertical) {
+ orientationClass = 'vjs-volume-vertical';
+ }
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: "vjs-volume-control vjs-control " + orientationClass
+ });
+ }
/**
- * Hide the menu if the number of items is less than or equal to this threshold. This defaults
- * to 0 and whenever we add items which can be hidden to the menu we'll increment it. We list
- * it here because every time we run `createMenu` we need to reset the value.
+ * Handle `mousedown` or `touchstart` events on the `VolumeControl`.
+ *
+ * @param {EventTarget~Event} event
+ * `mousedown` or `touchstart` event that triggered this function
*
- * @protected
- * @type {Number}
+ * @listens mousedown
+ * @listens touchstart
*/
- this.hideThreshold_ = 0;
-
- // Add a title list item to the top
- if (this.options_.title) {
- var title = createEl('li', {
- className: 'vjs-menu-title',
- innerHTML: toTitleCase(this.options_.title),
- tabIndex: -1
- });
+ ;
- this.hideThreshold_ += 1;
+ _proto.handleMouseDown = function handleMouseDown(event) {
+ var doc = this.el_.ownerDocument;
+ this.on(doc, 'mousemove', this.throttledHandleMouseMove);
+ this.on(doc, 'touchmove', this.throttledHandleMouseMove);
+ this.on(doc, 'mouseup', this.handleMouseUp);
+ this.on(doc, 'touchend', this.handleMouseUp);
+ }
+ /**
+ * Handle `mouseup` or `touchend` events on the `VolumeControl`.
+ *
+ * @param {EventTarget~Event} event
+ * `mouseup` or `touchend` event that triggered this function.
+ *
+ * @listens touchend
+ * @listens mouseup
+ */
+ ;
- menu.children_.unshift(title);
- prependTo(title, menu.contentEl());
+ _proto.handleMouseUp = function handleMouseUp(event) {
+ var doc = this.el_.ownerDocument;
+ this.off(doc, 'mousemove', this.throttledHandleMouseMove);
+ this.off(doc, 'touchmove', this.throttledHandleMouseMove);
+ this.off(doc, 'mouseup', this.handleMouseUp);
+ this.off(doc, 'touchend', this.handleMouseUp);
}
+ /**
+ * Handle `mousedown` or `touchstart` events on the `VolumeControl`.
+ *
+ * @param {EventTarget~Event} event
+ * `mousedown` or `touchstart` event that triggered this function
+ *
+ * @listens mousedown
+ * @listens touchstart
+ */
+ ;
- this.items = this.createItems();
-
- if (this.items) {
- // Add menu items to the menu
- for (var i = 0; i < this.items.length; i++) {
- menu.addItem(this.items[i]);
- }
- }
-
- return menu;
- };
-
- /**
- * Create the list of menu items. Specific to each subclass.
- *
- * @abstract
- */
-
-
- MenuButton.prototype.createItems = function createItems() {};
+ _proto.handleMouseMove = function handleMouseMove(event) {
+ this.volumeBar.handleMouseMove(event);
+ };
+ return VolumeControl;
+ }(Component);
/**
- * Create the `MenuButtons`s DOM element.
+ * Default options for the `VolumeControl`
*
- * @return {Element}
- * The element that gets created.
+ * @type {Object}
+ * @private
*/
- MenuButton.prototype.createEl = function createEl$$1() {
- return _Component.prototype.createEl.call(this, 'div', {
- className: this.buildWrapperCSSClass()
- }, {});
+ VolumeControl.prototype.options_ = {
+ children: ['volumeBar']
};
+ Component.registerComponent('VolumeControl', VolumeControl);
/**
- * Allow sub components to stack CSS class names for the wrapper element
+ * Check if muting volume is supported and if it isn't hide the mute toggle
+ * button.
*
- * @return {string}
- * The constructed wrapper DOM `className`
+ * @param {Component} self
+ * A reference to the mute toggle button
+ *
+ * @param {Player} player
+ * A reference to the player
+ *
+ * @private
*/
-
-
- MenuButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
- var menuButtonClass = 'vjs-menu-button';
-
- // If the inline option is passed, we want to use different styles altogether.
- if (this.options_.inline === true) {
- menuButtonClass += '-inline';
- } else {
- menuButtonClass += '-popup';
+ var checkMuteSupport = function checkMuteSupport(self, player) {
+ // hide mute toggle button if it's not supported by the current tech
+ if (player.tech_ && !player.tech_.featuresMuteControl) {
+ self.addClass('vjs-hidden');
}
- // TODO: Fix the CSS so that this isn't necessary
- var buttonClass = Button.prototype.buildCSSClass();
-
- return 'vjs-menu-button ' + menuButtonClass + ' ' + buttonClass + ' ' + _Component.prototype.buildCSSClass.call(this);
+ self.on(player, 'loadstart', function () {
+ if (!player.tech_.featuresMuteControl) {
+ self.addClass('vjs-hidden');
+ } else {
+ self.removeClass('vjs-hidden');
+ }
+ });
};
/**
- * Builds the default DOM `className`.
+ * A button component for muting the audio.
*
- * @return {string}
- * The DOM `className` for this object.
+ * @extends Button
*/
+ var MuteToggle = /*#__PURE__*/function (_Button) {
+ inheritsLoose(MuteToggle, _Button);
- MenuButton.prototype.buildCSSClass = function buildCSSClass() {
- var menuButtonClass = 'vjs-menu-button';
-
- // If the inline option is passed, we want to use different styles altogether.
- if (this.options_.inline === true) {
- menuButtonClass += '-inline';
- } else {
- menuButtonClass += '-popup';
- }
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function MuteToggle(player, options) {
+ var _this;
- return 'vjs-menu-button ' + menuButtonClass + ' ' + _Component.prototype.buildCSSClass.call(this);
- };
+ _this = _Button.call(this, player, options) || this; // hide this control if volume support is missing
- /**
- * Get or set the localized control text that will be used for accessibility.
- *
- * > NOTE: This will come from the internal `menuButton_` element.
- *
- * @param {string} [text]
- * Control text for element.
- *
- * @param {Element} [el=this.menuButton_.el()]
- * Element to set the title on.
- *
- * @return {string}
- * - The control text when getting
- */
+ checkMuteSupport(assertThisInitialized(_this), player);
+ _this.on(player, ['loadstart', 'volumechange'], _this.update);
- MenuButton.prototype.controlText = function controlText(text) {
- var el = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.menuButton_.el();
+ return _this;
+ }
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
- return this.menuButton_.controlText(text, el);
- };
- /**
- * Handle a click on a `MenuButton`.
- * See {@link ClickableComponent#handleClick} for instances where this is called.
- *
- * @param {EventTarget~Event} event
- * The `keydown`, `tap`, or `click` event that caused this function to be
- * called.
- *
- * @listens tap
- * @listens click
- */
+ var _proto = MuteToggle.prototype;
+ _proto.buildCSSClass = function buildCSSClass() {
+ return "vjs-mute-control " + _Button.prototype.buildCSSClass.call(this);
+ }
+ /**
+ * This gets called when an `MuteToggle` is "clicked". See
+ * {@link ClickableComponent} for more detailed information on what a click can be.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
+ ;
- MenuButton.prototype.handleClick = function handleClick(event) {
- // When you click the button it adds focus, which will show the menu.
- // So we'll remove focus when the mouse leaves the button. Focus is needed
- // for tab navigation.
+ _proto.handleClick = function handleClick(event) {
+ var vol = this.player_.volume();
+ var lastVolume = this.player_.lastVolume_();
- this.one(this.menu.contentEl(), 'mouseleave', bind(this, function (e) {
- this.unpressButton();
- this.el_.blur();
- }));
- if (this.buttonPressed_) {
- this.unpressButton();
- } else {
- this.pressButton();
+ if (vol === 0) {
+ var volumeToSet = lastVolume < 0.1 ? 0.1 : lastVolume;
+ this.player_.volume(volumeToSet);
+ this.player_.muted(false);
+ } else {
+ this.player_.muted(this.player_.muted() ? false : true);
+ }
}
- };
+ /**
+ * Update the `MuteToggle` button based on the state of `volume` and `muted`
+ * on the player.
+ *
+ * @param {EventTarget~Event} [event]
+ * The {@link Player#loadstart} event if this function was called
+ * through an event.
+ *
+ * @listens Player#loadstart
+ * @listens Player#volumechange
+ */
+ ;
- /**
- * Set the focus to the actual button, not to this element
- */
+ _proto.update = function update(event) {
+ this.updateIcon_();
+ this.updateControlText_();
+ }
+ /**
+ * Update the appearance of the `MuteToggle` icon.
+ *
+ * Possible states (given `level` variable below):
+ * - 0: crossed out
+ * - 1: zero bars of volume
+ * - 2: one bar of volume
+ * - 3: two bars of volume
+ *
+ * @private
+ */
+ ;
+ _proto.updateIcon_ = function updateIcon_() {
+ var vol = this.player_.volume();
+ var level = 3; // in iOS when a player is loaded with muted attribute
+ // and volume is changed with a native mute button
+ // we want to make sure muted state is updated
- MenuButton.prototype.focus = function focus() {
- this.menuButton_.focus();
- };
+ if (IS_IOS && this.player_.tech_ && this.player_.tech_.el_) {
+ this.player_.muted(this.player_.tech_.el_.muted);
+ }
- /**
- * Remove the focus from the actual button, not this element
- */
+ if (vol === 0 || this.player_.muted()) {
+ level = 0;
+ } else if (vol < 0.33) {
+ level = 1;
+ } else if (vol < 0.67) {
+ level = 2;
+ } // TODO improve muted icon classes
- MenuButton.prototype.blur = function blur() {
- this.menuButton_.blur();
- };
+ for (var i = 0; i < 4; i++) {
+ removeClass(this.el_, "vjs-vol-" + i);
+ }
- /**
- * This gets called when a `MenuButton` gains focus via a `focus` event.
- * Turns on listening for `keydown` events. When they happen it
- * calls `this.handleKeyPress`.
- *
- * @param {EventTarget~Event} event
- * The `focus` event that caused this function to be called.
- *
- * @listens focus
- */
+ addClass(this.el_, "vjs-vol-" + level);
+ }
+ /**
+ * If `muted` has changed on the player, update the control text
+ * (`title` attribute on `vjs-mute-control` element and content of
+ * `vjs-control-text` element).
+ *
+ * @private
+ */
+ ;
+ _proto.updateControlText_ = function updateControlText_() {
+ var soundOff = this.player_.muted() || this.player_.volume() === 0;
+ var text = soundOff ? 'Unmute' : 'Mute';
- MenuButton.prototype.handleFocus = function handleFocus() {
- on(document_1, 'keydown', bind(this, this.handleKeyPress));
- };
+ if (this.controlText() !== text) {
+ this.controlText(text);
+ }
+ };
+ return MuteToggle;
+ }(Button);
/**
- * Called when a `MenuButton` loses focus. Turns off the listener for
- * `keydown` events. Which Stops `this.handleKeyPress` from getting called.
+ * The text that should display over the `MuteToggle`s controls. Added for localization.
*
- * @param {EventTarget~Event} event
- * The `blur` event that caused this function to be called.
- *
- * @listens blur
+ * @type {string}
+ * @private
*/
- MenuButton.prototype.handleBlur = function handleBlur() {
- off(document_1, 'keydown', bind(this, this.handleKeyPress));
- };
+ MuteToggle.prototype.controlText_ = 'Mute';
+ Component.registerComponent('MuteToggle', MuteToggle);
/**
- * Handle tab, escape, down arrow, and up arrow keys for `MenuButton`. See
- * {@link ClickableComponent#handleKeyPress} for instances where this is called.
+ * A Component to contain the MuteToggle and VolumeControl so that
+ * they can work together.
*
- * @param {EventTarget~Event} event
- * The `keydown` event that caused this function to be called.
- *
- * @listens keydown
+ * @extends Component
*/
+ var VolumePanel = /*#__PURE__*/function (_Component) {
+ inheritsLoose(VolumePanel, _Component);
- MenuButton.prototype.handleKeyPress = function handleKeyPress(event) {
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options={}]
+ * The key/value store of player options.
+ */
+ function VolumePanel(player, options) {
+ var _this;
- // Escape (27) key or Tab (9) key unpress the 'button'
- if (event.which === 27 || event.which === 9) {
- if (this.buttonPressed_) {
- this.unpressButton();
+ if (options === void 0) {
+ options = {};
}
- // Don't preventDefault for Tab key - we still want to lose focus
- if (event.which !== 9) {
- event.preventDefault();
- // Set focus back to the menu button's button
- this.menuButton_.el_.focus();
- }
- // Up (38) key or Down (40) key press the 'button'
- } else if (event.which === 38 || event.which === 40) {
- if (!this.buttonPressed_) {
- this.pressButton();
- event.preventDefault();
- }
- }
- };
-
- /**
- * Handle a `keydown` event on a sub-menu. The listener for this is added in
- * the constructor.
- *
- * @param {EventTarget~Event} event
- * Key press event
- *
- * @listens keydown
- */
+ if (typeof options.inline !== 'undefined') {
+ options.inline = options.inline;
+ } else {
+ options.inline = true;
+ } // pass the inline option down to the VolumeControl as vertical if
+ // the VolumeControl is on.
- MenuButton.prototype.handleSubmenuKeyPress = function handleSubmenuKeyPress(event) {
- // Escape (27) key or Tab (9) key unpress the 'button'
- if (event.which === 27 || event.which === 9) {
- if (this.buttonPressed_) {
- this.unpressButton();
+ if (typeof options.volumeControl === 'undefined' || isPlain(options.volumeControl)) {
+ options.volumeControl = options.volumeControl || {};
+ options.volumeControl.vertical = !options.inline;
}
- // Don't preventDefault for Tab key - we still want to lose focus
- if (event.which !== 9) {
- event.preventDefault();
- // Set focus back to the menu button's button
- this.menuButton_.el_.focus();
- }
- }
- };
-
- /**
- * Put the current `MenuButton` into a pressed state.
- */
-
- MenuButton.prototype.pressButton = function pressButton() {
- if (this.enabled_) {
- this.buttonPressed_ = true;
- this.menu.lockShowing();
- this.menuButton_.el_.setAttribute('aria-expanded', 'true');
+ _this = _Component.call(this, player, options) || this;
- // set the focus into the submenu, except on iOS where it is resulting in
- // undesired scrolling behavior when the player is in an iframe
- if (IS_IOS && isInFrame()) {
- // Return early so that the menu isn't focused
- return;
- }
+ _this.on(player, ['loadstart'], _this.volumePanelState_);
- this.menu.focus();
- }
- };
+ _this.on(_this.muteToggle, 'keyup', _this.handleKeyPress);
- /**
- * Take the current `MenuButton` out of a pressed state.
- */
+ _this.on(_this.volumeControl, 'keyup', _this.handleVolumeControlKeyUp);
+ _this.on('keydown', _this.handleKeyPress);
- MenuButton.prototype.unpressButton = function unpressButton() {
- if (this.enabled_) {
- this.buttonPressed_ = false;
- this.menu.unlockShowing();
- this.menuButton_.el_.setAttribute('aria-expanded', 'false');
- }
- };
+ _this.on('mouseover', _this.handleMouseOver);
- /**
- * Disable the `MenuButton`. Don't allow it to be clicked.
- */
+ _this.on('mouseout', _this.handleMouseOut); // while the slider is active (the mouse has been pressed down and
+ // is dragging) we do not want to hide the VolumeBar
- MenuButton.prototype.disable = function disable() {
- this.unpressButton();
+ _this.on(_this.volumeControl, ['slideractive'], _this.sliderActive_);
- this.enabled_ = false;
- this.addClass('vjs-disabled');
+ _this.on(_this.volumeControl, ['sliderinactive'], _this.sliderInactive_);
- this.menuButton_.disable();
- };
+ return _this;
+ }
+ /**
+ * Add vjs-slider-active class to the VolumePanel
+ *
+ * @listens VolumeControl#slideractive
+ * @private
+ */
- /**
- * Enable the `MenuButton`. Allow it to be clicked.
- */
+ var _proto = VolumePanel.prototype;
- MenuButton.prototype.enable = function enable() {
- this.enabled_ = true;
- this.removeClass('vjs-disabled');
+ _proto.sliderActive_ = function sliderActive_() {
+ this.addClass('vjs-slider-active');
+ }
+ /**
+ * Removes vjs-slider-active class to the VolumePanel
+ *
+ * @listens VolumeControl#sliderinactive
+ * @private
+ */
+ ;
- this.menuButton_.enable();
- };
+ _proto.sliderInactive_ = function sliderInactive_() {
+ this.removeClass('vjs-slider-active');
+ }
+ /**
+ * Adds vjs-hidden or vjs-mute-toggle-only to the VolumePanel
+ * depending on MuteToggle and VolumeControl state
+ *
+ * @listens Player#loadstart
+ * @private
+ */
+ ;
- return MenuButton;
-}(Component);
+ _proto.volumePanelState_ = function volumePanelState_() {
+ // hide volume panel if neither volume control or mute toggle
+ // are displayed
+ if (this.volumeControl.hasClass('vjs-hidden') && this.muteToggle.hasClass('vjs-hidden')) {
+ this.addClass('vjs-hidden');
+ } // if only mute toggle is visible we don't want
+ // volume panel expanding when hovered or active
-Component.registerComponent('MenuButton', MenuButton);
-/**
- * @file track-button.js
- */
-/**
- * The base class for buttons that toggle specific track types (e.g. subtitles).
- *
- * @extends MenuButton
- */
+ if (this.volumeControl.hasClass('vjs-hidden') && !this.muteToggle.hasClass('vjs-hidden')) {
+ this.addClass('vjs-mute-toggle-only');
+ }
+ }
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+ ;
-var TrackButton = function (_MenuButton) {
- inherits(TrackButton, _MenuButton);
+ _proto.createEl = function createEl() {
+ var orientationClass = 'vjs-volume-panel-horizontal';
- /**
- * Creates an instance of this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
- *
- * @param {Object} [options]
- * The key/value store of player options.
- */
- function TrackButton(player, options) {
- classCallCheck(this, TrackButton);
+ if (!this.options_.inline) {
+ orientationClass = 'vjs-volume-panel-vertical';
+ }
- var tracks = options.tracks;
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: "vjs-volume-panel vjs-control " + orientationClass
+ });
+ }
+ /**
+ * Dispose of the `volume-panel` and all child components.
+ */
+ ;
- var _this = possibleConstructorReturn(this, _MenuButton.call(this, player, options));
+ _proto.dispose = function dispose() {
+ this.handleMouseOut();
- if (_this.items.length <= 1) {
- _this.hide();
+ _Component.prototype.dispose.call(this);
}
+ /**
+ * Handles `keyup` events on the `VolumeControl`, looking for ESC, which closes
+ * the volume panel and sets focus on `MuteToggle`.
+ *
+ * @param {EventTarget~Event} event
+ * The `keyup` event that caused this function to be called.
+ *
+ * @listens keyup
+ */
+ ;
- if (!tracks) {
- return possibleConstructorReturn(_this);
+ _proto.handleVolumeControlKeyUp = function handleVolumeControlKeyUp(event) {
+ if (keycode.isEventKey(event, 'Esc')) {
+ this.muteToggle.focus();
+ }
}
+ /**
+ * This gets called when a `VolumePanel` gains hover via a `mouseover` event.
+ * Turns on listening for `mouseover` event. When they happen it
+ * calls `this.handleMouseOver`.
+ *
+ * @param {EventTarget~Event} event
+ * The `mouseover` event that caused this function to be called.
+ *
+ * @listens mouseover
+ */
+ ;
- var updateHandler = bind(_this, _this.update);
-
- tracks.addEventListener('removetrack', updateHandler);
- tracks.addEventListener('addtrack', updateHandler);
- _this.player_.on('ready', updateHandler);
-
- _this.player_.on('dispose', function () {
- tracks.removeEventListener('removetrack', updateHandler);
- tracks.removeEventListener('addtrack', updateHandler);
- });
- return _this;
- }
-
- return TrackButton;
-}(MenuButton);
-
-Component.registerComponent('TrackButton', TrackButton);
+ _proto.handleMouseOver = function handleMouseOver(event) {
+ this.addClass('vjs-hover');
+ on(document, 'keyup', bind(this, this.handleKeyPress));
+ }
+ /**
+ * This gets called when a `VolumePanel` gains hover via a `mouseout` event.
+ * Turns on listening for `mouseout` event. When they happen it
+ * calls `this.handleMouseOut`.
+ *
+ * @param {EventTarget~Event} event
+ * The `mouseout` event that caused this function to be called.
+ *
+ * @listens mouseout
+ */
+ ;
-/**
- * @file menu-item.js
- */
-/**
- * The component for a menu item. `<li>`
- *
- * @extends ClickableComponent
- */
+ _proto.handleMouseOut = function handleMouseOut(event) {
+ this.removeClass('vjs-hover');
+ off(document, 'keyup', bind(this, this.handleKeyPress));
+ }
+ /**
+ * Handles `keyup` event on the document or `keydown` event on the `VolumePanel`,
+ * looking for ESC, which hides the `VolumeControl`.
+ *
+ * @param {EventTarget~Event} event
+ * The keypress that triggered this event.
+ *
+ * @listens keydown | keyup
+ */
+ ;
-var MenuItem = function (_ClickableComponent) {
- inherits(MenuItem, _ClickableComponent);
+ _proto.handleKeyPress = function handleKeyPress(event) {
+ if (keycode.isEventKey(event, 'Esc')) {
+ this.handleMouseOut();
+ }
+ };
+ return VolumePanel;
+ }(Component);
/**
- * Creates an instance of the this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
- *
- * @param {Object} [options={}]
- * The key/value store of player options.
+ * Default options for the `VolumeControl`
*
+ * @type {Object}
+ * @private
*/
- function MenuItem(player, options) {
- classCallCheck(this, MenuItem);
-
- var _this = possibleConstructorReturn(this, _ClickableComponent.call(this, player, options));
-
- _this.selectable = options.selectable;
- _this.isSelected_ = options.selected || false;
- _this.selected(_this.isSelected_);
- if (_this.selectable) {
- // TODO: May need to be either menuitemcheckbox or menuitemradio,
- // and may need logical grouping of menu items.
- _this.el_.setAttribute('role', 'menuitemcheckbox');
- } else {
- _this.el_.setAttribute('role', 'menuitem');
- }
- return _this;
- }
+ VolumePanel.prototype.options_ = {
+ children: ['muteToggle', 'volumeControl']
+ };
+ Component.registerComponent('VolumePanel', VolumePanel);
/**
- * Create the `MenuItem's DOM element
+ * The Menu component is used to build popup menus, including subtitle and
+ * captions selection menus.
*
- * @param {string} [type=li]
- * Element's node type, not actually used, always set to `li`.
- *
- * @param {Object} [props={}]
- * An object of properties that should be set on the element
- *
- * @param {Object} [attrs={}]
- * An object of attributes that should be set on the element
- *
- * @return {Element}
- * The element that gets created.
+ * @extends Component
*/
+ var Menu = /*#__PURE__*/function (_Component) {
+ inheritsLoose(Menu, _Component);
- MenuItem.prototype.createEl = function createEl(type, props, attrs) {
- // The control is textual, not just an icon
- this.nonIconControl = true;
-
- return _ClickableComponent.prototype.createEl.call(this, 'li', assign({
- className: 'vjs-menu-item',
- innerHTML: '<span class="vjs-menu-item-text">' + this.localize(this.options_.label) + '</span>',
- tabIndex: -1
- }, props), attrs);
- };
+ /**
+ * Create an instance of this class.
+ *
+ * @param {Player} player
+ * the player that this component should attach to
+ *
+ * @param {Object} [options]
+ * Object of option names and values
+ *
+ */
+ function Menu(player, options) {
+ var _this;
- /**
- * Any click on a `MenuItem` puts int into the selected state.
- * See {@link ClickableComponent#handleClick} for instances where this is called.
- *
- * @param {EventTarget~Event} event
- * The `keydown`, `tap`, or `click` event that caused this function to be
- * called.
- *
- * @listens tap
- * @listens click
- */
+ _this = _Component.call(this, player, options) || this;
+ if (options) {
+ _this.menuButton_ = options.menuButton;
+ }
- MenuItem.prototype.handleClick = function handleClick(event) {
- this.selected(true);
- };
+ _this.focusedChild_ = -1;
- /**
- * Set the state for this menu item as selected or not.
- *
- * @param {boolean} selected
- * if the menu item is selected or not
- */
+ _this.on('keydown', _this.handleKeyDown); // All the menu item instances share the same blur handler provided by the menu container.
- MenuItem.prototype.selected = function selected(_selected) {
- if (this.selectable) {
- if (_selected) {
- this.addClass('vjs-selected');
- this.el_.setAttribute('aria-checked', 'true');
- // aria-checked isn't fully supported by browsers/screen readers,
- // so indicate selected state to screen reader in the control text.
- this.controlText(', selected');
- this.isSelected_ = true;
- } else {
- this.removeClass('vjs-selected');
- this.el_.setAttribute('aria-checked', 'false');
- // Indicate un-selected state to screen reader
- this.controlText('');
- this.isSelected_ = false;
- }
+ _this.boundHandleBlur_ = bind(assertThisInitialized(_this), _this.handleBlur);
+ _this.boundHandleTapClick_ = bind(assertThisInitialized(_this), _this.handleTapClick);
+ return _this;
}
- };
-
- return MenuItem;
-}(ClickableComponent);
-
-Component.registerComponent('MenuItem', MenuItem);
-
-/**
- * @file text-track-menu-item.js
- */
-/**
- * The specific menu item type for selecting a language within a text track kind
- *
- * @extends MenuItem
- */
-
-var TextTrackMenuItem = function (_MenuItem) {
- inherits(TextTrackMenuItem, _MenuItem);
+ /**
+ * Add event listeners to the {@link MenuItem}.
+ *
+ * @param {Object} component
+ * The instance of the `MenuItem` to add listeners to.
+ *
+ */
- /**
- * Creates an instance of this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
- *
- * @param {Object} [options]
- * The key/value store of player options.
- */
- function TextTrackMenuItem(player, options) {
- classCallCheck(this, TextTrackMenuItem);
- var track = options.track;
- var tracks = player.textTracks();
+ var _proto = Menu.prototype;
- // Modify options for parent MenuItem class's init.
- options.label = track.label || track.language || 'Unknown';
- options.selected = track.mode === 'showing';
+ _proto.addEventListenerForItem = function addEventListenerForItem(component) {
+ if (!(component instanceof Component)) {
+ return;
+ }
- var _this = possibleConstructorReturn(this, _MenuItem.call(this, player, options));
+ this.on(component, 'blur', this.boundHandleBlur_);
+ this.on(component, ['tap', 'click'], this.boundHandleTapClick_);
+ }
+ /**
+ * Remove event listeners from the {@link MenuItem}.
+ *
+ * @param {Object} component
+ * The instance of the `MenuItem` to remove listeners.
+ *
+ */
+ ;
- _this.track = track;
- var changeHandler = function changeHandler() {
- for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
- args[_key] = arguments[_key];
+ _proto.removeEventListenerForItem = function removeEventListenerForItem(component) {
+ if (!(component instanceof Component)) {
+ return;
}
- _this.handleTracksChange.apply(_this, args);
- };
- var selectedLanguageChangeHandler = function selectedLanguageChangeHandler() {
- for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
- args[_key2] = arguments[_key2];
+ this.off(component, 'blur', this.boundHandleBlur_);
+ this.off(component, ['tap', 'click'], this.boundHandleTapClick_);
+ }
+ /**
+ * This method will be called indirectly when the component has been added
+ * before the component adds to the new menu instance by `addItem`.
+ * In this case, the original menu instance will remove the component
+ * by calling `removeChild`.
+ *
+ * @param {Object} component
+ * The instance of the `MenuItem`
+ */
+ ;
+
+ _proto.removeChild = function removeChild(component) {
+ if (typeof component === 'string') {
+ component = this.getChild(component);
}
- _this.handleSelectedLanguageChange.apply(_this, args);
- };
+ this.removeEventListenerForItem(component);
- player.on(['loadstart', 'texttrackchange'], changeHandler);
- tracks.addEventListener('change', changeHandler);
- tracks.addEventListener('selectedlanguagechange', selectedLanguageChangeHandler);
- _this.on('dispose', function () {
- player.off(['loadstart', 'texttrackchange'], changeHandler);
- tracks.removeEventListener('change', changeHandler);
- tracks.removeEventListener('selectedlanguagechange', selectedLanguageChangeHandler);
- });
+ _Component.prototype.removeChild.call(this, component);
+ }
+ /**
+ * Add a {@link MenuItem} to the menu.
+ *
+ * @param {Object|string} component
+ * The name or instance of the `MenuItem` to add.
+ *
+ */
+ ;
- // iOS7 doesn't dispatch change events to TextTrackLists when an
- // associated track's mode changes. Without something like
- // Object.observe() (also not present on iOS7), it's not
- // possible to detect changes to the mode attribute and polyfill
- // the change event. As a poor substitute, we manually dispatch
- // change events whenever the controls modify the mode.
- if (tracks.onchange === undefined) {
- var event = void 0;
-
- _this.on(['tap', 'click'], function () {
- if (_typeof(window_1.Event) !== 'object') {
- // Android 2.3 throws an Illegal Constructor error for window.Event
- try {
- event = new window_1.Event('change');
- } catch (err) {
- // continue regardless of error
- }
- }
+ _proto.addItem = function addItem(component) {
+ var childComponent = this.addChild(component);
- if (!event) {
- event = document_1.createEvent('Event');
- event.initEvent('change', true, true);
- }
+ if (childComponent) {
+ this.addEventListenerForItem(childComponent);
+ }
+ }
+ /**
+ * Create the `Menu`s DOM element.
+ *
+ * @return {Element}
+ * the element that was created
+ */
+ ;
- tracks.dispatchEvent(event);
+ _proto.createEl = function createEl$1() {
+ var contentElType = this.options_.contentElType || 'ul';
+ this.contentEl_ = createEl(contentElType, {
+ className: 'vjs-menu-content'
});
- }
+ this.contentEl_.setAttribute('role', 'menu');
- // set the default state based on current tracks
- _this.handleTracksChange();
- return _this;
- }
+ var el = _Component.prototype.createEl.call(this, 'div', {
+ append: this.contentEl_,
+ className: 'vjs-menu'
+ });
- /**
- * This gets called when an `TextTrackMenuItem` is "clicked". See
- * {@link ClickableComponent} for more detailed information on what a click can be.
- *
- * @param {EventTarget~Event} event
- * The `keydown`, `tap`, or `click` event that caused this function to be
- * called.
- *
- * @listens tap
- * @listens click
- */
+ el.appendChild(this.contentEl_); // Prevent clicks from bubbling up. Needed for Menu Buttons,
+ // where a click on the parent is significant
+ on(el, 'click', function (event) {
+ event.preventDefault();
+ event.stopImmediatePropagation();
+ });
+ return el;
+ };
- TextTrackMenuItem.prototype.handleClick = function handleClick(event) {
- var kind = this.track.kind;
- var kinds = this.track.kinds;
- var tracks = this.player_.textTracks();
+ _proto.dispose = function dispose() {
+ this.contentEl_ = null;
+ this.boundHandleBlur_ = null;
+ this.boundHandleTapClick_ = null;
- if (!kinds) {
- kinds = [kind];
+ _Component.prototype.dispose.call(this);
}
+ /**
+ * Called when a `MenuItem` loses focus.
+ *
+ * @param {EventTarget~Event} event
+ * The `blur` event that caused this function to be called.
+ *
+ * @listens blur
+ */
+ ;
- _MenuItem.prototype.handleClick.call(this, event);
-
- if (!tracks) {
- return;
- }
+ _proto.handleBlur = function handleBlur(event) {
+ var relatedTarget = event.relatedTarget || document.activeElement; // Close menu popup when a user clicks outside the menu
- for (var i = 0; i < tracks.length; i++) {
- var track = tracks[i];
+ if (!this.children().some(function (element) {
+ return element.el() === relatedTarget;
+ })) {
+ var btn = this.menuButton_;
- if (track === this.track && kinds.indexOf(track.kind) > -1) {
- if (track.mode !== 'showing') {
- track.mode = 'showing';
+ if (btn && btn.buttonPressed_ && relatedTarget !== btn.el().firstChild) {
+ btn.unpressButton();
}
- } else if (track.mode !== 'disabled') {
- track.mode = 'disabled';
}
}
- };
+ /**
+ * Called when a `MenuItem` gets clicked or tapped.
+ *
+ * @param {EventTarget~Event} event
+ * The `click` or `tap` event that caused this function to be called.
+ *
+ * @listens click,tap
+ */
+ ;
- /**
- * Handle text track list change
- *
- * @param {EventTarget~Event} event
- * The `change` event that caused this function to be called.
- *
- * @listens TextTrackList#change
- */
+ _proto.handleTapClick = function handleTapClick(event) {
+ // Unpress the associated MenuButton, and move focus back to it
+ if (this.menuButton_) {
+ this.menuButton_.unpressButton();
+ var childComponents = this.children();
+ if (!Array.isArray(childComponents)) {
+ return;
+ }
- TextTrackMenuItem.prototype.handleTracksChange = function handleTracksChange(event) {
- var shouldBeSelected = this.track.mode === 'showing';
+ var foundComponent = childComponents.filter(function (component) {
+ return component.el() === event.target;
+ })[0];
- // Prevent redundant selected() calls because they may cause
- // screen readers to read the appended control text unnecessarily
- if (shouldBeSelected !== this.isSelected_) {
- this.selected(shouldBeSelected);
- }
- };
+ if (!foundComponent) {
+ return;
+ } // don't focus menu button if item is a caption settings item
+ // because focus will move elsewhere
- TextTrackMenuItem.prototype.handleSelectedLanguageChange = function handleSelectedLanguageChange(event) {
- if (this.track.mode === 'showing') {
- var selectedLanguage = this.player_.cache_.selectedLanguage;
- // Don't replace the kind of track across the same language
- if (selectedLanguage && selectedLanguage.enabled && selectedLanguage.language === this.track.language && selectedLanguage.kind !== this.track.kind) {
- return;
+ if (foundComponent.name() !== 'CaptionSettingsMenuItem') {
+ this.menuButton_.focus();
+ }
}
+ }
+ /**
+ * Handle a `keydown` event on this menu. This listener is added in the constructor.
+ *
+ * @param {EventTarget~Event} event
+ * A `keydown` event that happened on the menu.
+ *
+ * @listens keydown
+ */
+ ;
- this.player_.cache_.selectedLanguage = {
- enabled: true,
- language: this.track.language,
- kind: this.track.kind
- };
+ _proto.handleKeyDown = function handleKeyDown(event) {
+ // Left and Down Arrows
+ if (keycode.isEventKey(event, 'Left') || keycode.isEventKey(event, 'Down')) {
+ event.preventDefault();
+ event.stopPropagation();
+ this.stepForward(); // Up and Right Arrows
+ } else if (keycode.isEventKey(event, 'Right') || keycode.isEventKey(event, 'Up')) {
+ event.preventDefault();
+ event.stopPropagation();
+ this.stepBack();
+ }
}
- };
+ /**
+ * Move to next (lower) menu item for keyboard users.
+ */
+ ;
- TextTrackMenuItem.prototype.dispose = function dispose() {
- // remove reference to track object on dispose
- this.track = null;
+ _proto.stepForward = function stepForward() {
+ var stepChild = 0;
- _MenuItem.prototype.dispose.call(this);
- };
+ if (this.focusedChild_ !== undefined) {
+ stepChild = this.focusedChild_ + 1;
+ }
- return TextTrackMenuItem;
-}(MenuItem);
+ this.focus(stepChild);
+ }
+ /**
+ * Move to previous (higher) menu item for keyboard users.
+ */
+ ;
-Component.registerComponent('TextTrackMenuItem', TextTrackMenuItem);
+ _proto.stepBack = function stepBack() {
+ var stepChild = 0;
-/**
- * @file off-text-track-menu-item.js
- */
-/**
- * A special menu item for turning of a specific type of text track
- *
- * @extends TextTrackMenuItem
- */
+ if (this.focusedChild_ !== undefined) {
+ stepChild = this.focusedChild_ - 1;
+ }
-var OffTextTrackMenuItem = function (_TextTrackMenuItem) {
- inherits(OffTextTrackMenuItem, _TextTrackMenuItem);
+ this.focus(stepChild);
+ }
+ /**
+ * Set focus on a {@link MenuItem} in the `Menu`.
+ *
+ * @param {Object|string} [item=0]
+ * Index of child item set focus on.
+ */
+ ;
- /**
- * Creates an instance of this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
- *
- * @param {Object} [options]
- * The key/value store of player options.
- */
- function OffTextTrackMenuItem(player, options) {
- classCallCheck(this, OffTextTrackMenuItem);
+ _proto.focus = function focus(item) {
+ if (item === void 0) {
+ item = 0;
+ }
- // Create pseudo track info
- // Requires options['kind']
- options.track = {
- player: player,
- kind: options.kind,
- kinds: options.kinds,
- 'default': false,
- mode: 'disabled'
- };
+ var children = this.children().slice();
+ var haveTitle = children.length && children[0].className && /vjs-menu-title/.test(children[0].className);
- if (!options.kinds) {
- options.kinds = [options.kind];
- }
+ if (haveTitle) {
+ children.shift();
+ }
- if (options.label) {
- options.track.label = options.label;
- } else {
- options.track.label = options.kinds.join(' and ') + ' off';
- }
+ if (children.length > 0) {
+ if (item < 0) {
+ item = 0;
+ } else if (item >= children.length) {
+ item = children.length - 1;
+ }
+
+ this.focusedChild_ = item;
+ children[item].el_.focus();
+ }
+ };
- // MenuItem is selectable
- options.selectable = true;
+ return Menu;
+ }(Component);
- return possibleConstructorReturn(this, _TextTrackMenuItem.call(this, player, options));
- }
+ Component.registerComponent('Menu', Menu);
/**
- * Handle text track change
+ * A `MenuButton` class for any popup {@link Menu}.
*
- * @param {EventTarget~Event} event
- * The event that caused this function to run
+ * @extends Component
*/
+ var MenuButton = /*#__PURE__*/function (_Component) {
+ inheritsLoose(MenuButton, _Component);
- OffTextTrackMenuItem.prototype.handleTracksChange = function handleTracksChange(event) {
- var tracks = this.player().textTracks();
- var shouldBeSelected = true;
-
- for (var i = 0, l = tracks.length; i < l; i++) {
- var track = tracks[i];
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options={}]
+ * The key/value store of player options.
+ */
+ function MenuButton(player, options) {
+ var _this;
- if (this.options_.kinds.indexOf(track.kind) > -1 && track.mode === 'showing') {
- shouldBeSelected = false;
- break;
+ if (options === void 0) {
+ options = {};
}
- }
- // Prevent redundant selected() calls because they may cause
- // screen readers to read the appended control text unnecessarily
- if (shouldBeSelected !== this.isSelected_) {
- this.selected(shouldBeSelected);
- }
- };
+ _this = _Component.call(this, player, options) || this;
+ _this.menuButton_ = new Button(player, options);
- OffTextTrackMenuItem.prototype.handleSelectedLanguageChange = function handleSelectedLanguageChange(event) {
- var tracks = this.player().textTracks();
- var allHidden = true;
+ _this.menuButton_.controlText(_this.controlText_);
- for (var i = 0, l = tracks.length; i < l; i++) {
- var track = tracks[i];
+ _this.menuButton_.el_.setAttribute('aria-haspopup', 'true'); // Add buildCSSClass values to the button, not the wrapper
- if (['captions', 'descriptions', 'subtitles'].indexOf(track.kind) > -1 && track.mode === 'showing') {
- allHidden = false;
- break;
- }
- }
- if (allHidden) {
- this.player_.cache_.selectedLanguage = {
- enabled: false
- };
- }
- };
+ var buttonClass = Button.prototype.buildCSSClass();
+ _this.menuButton_.el_.className = _this.buildCSSClass() + ' ' + buttonClass;
- return OffTextTrackMenuItem;
-}(TextTrackMenuItem);
+ _this.menuButton_.removeClass('vjs-control');
-Component.registerComponent('OffTextTrackMenuItem', OffTextTrackMenuItem);
+ _this.addChild(_this.menuButton_);
-/**
- * @file text-track-button.js
- */
-/**
- * The base class for buttons that toggle specific text track types (e.g. subtitles)
- *
- * @extends MenuButton
- */
+ _this.update();
-var TextTrackButton = function (_TrackButton) {
- inherits(TextTrackButton, _TrackButton);
+ _this.enabled_ = true;
- /**
- * Creates an instance of this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
- *
- * @param {Object} [options={}]
- * The key/value store of player options.
- */
- function TextTrackButton(player) {
- var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
- classCallCheck(this, TextTrackButton);
+ _this.on(_this.menuButton_, 'tap', _this.handleClick);
- options.tracks = player.textTracks();
+ _this.on(_this.menuButton_, 'click', _this.handleClick);
- return possibleConstructorReturn(this, _TrackButton.call(this, player, options));
- }
+ _this.on(_this.menuButton_, 'keydown', _this.handleKeyDown);
- /**
- * Create a menu item for each text track
- *
- * @param {TextTrackMenuItem[]} [items=[]]
- * Existing array of items to use during creation
- *
- * @return {TextTrackMenuItem[]}
- * Array of menu items that were created
- */
+ _this.on(_this.menuButton_, 'mouseenter', function () {
+ _this.addClass('vjs-hover');
+ _this.menu.show();
- TextTrackButton.prototype.createItems = function createItems() {
- var items = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
- var TrackMenuItem = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : TextTrackMenuItem;
+ on(document, 'keyup', bind(assertThisInitialized(_this), _this.handleMenuKeyUp));
+ });
+ _this.on('mouseleave', _this.handleMouseLeave);
- // Label is an overide for the [track] off label
- // USed to localise captions/subtitles
- var label = void 0;
+ _this.on('keydown', _this.handleSubmenuKeyDown);
- if (this.label_) {
- label = this.label_ + ' off';
+ return _this;
}
- // Add an OFF menu item to turn all tracks off
- items.push(new OffTextTrackMenuItem(this.player_, {
- kinds: this.kinds_,
- kind: this.kind_,
- label: label
- }));
+ /**
+ * Update the menu based on the current state of its items.
+ */
- this.hideThreshold_ += 1;
- var tracks = this.player_.textTracks();
+ var _proto = MenuButton.prototype;
- if (!Array.isArray(this.kinds_)) {
- this.kinds_ = [this.kind_];
- }
+ _proto.update = function update() {
+ var menu = this.createMenu();
- for (var i = 0; i < tracks.length; i++) {
- var track = tracks[i];
+ if (this.menu) {
+ this.menu.dispose();
+ this.removeChild(this.menu);
+ }
- // only add tracks that are of an appropriate kind and have a label
- if (this.kinds_.indexOf(track.kind) > -1) {
+ this.menu = menu;
+ this.addChild(menu);
+ /**
+ * Track the state of the menu button
+ *
+ * @type {Boolean}
+ * @private
+ */
- var item = new TrackMenuItem(this.player_, {
- track: track,
- // MenuItem is selectable
- selectable: true
- });
+ this.buttonPressed_ = false;
+ this.menuButton_.el_.setAttribute('aria-expanded', 'false');
- item.addClass('vjs-' + track.kind + '-menu-item');
- items.push(item);
+ if (this.items && this.items.length <= this.hideThreshold_) {
+ this.hide();
+ } else {
+ this.show();
}
}
+ /**
+ * Create the menu and add all items to it.
+ *
+ * @return {Menu}
+ * The constructed menu
+ */
+ ;
- return items;
- };
+ _proto.createMenu = function createMenu() {
+ var menu = new Menu(this.player_, {
+ menuButton: this
+ });
+ /**
+ * Hide the menu if the number of items is less than or equal to this threshold. This defaults
+ * to 0 and whenever we add items which can be hidden to the menu we'll increment it. We list
+ * it here because every time we run `createMenu` we need to reset the value.
+ *
+ * @protected
+ * @type {Number}
+ */
- return TextTrackButton;
-}(TrackButton);
+ this.hideThreshold_ = 0; // Add a title list item to the top
-Component.registerComponent('TextTrackButton', TextTrackButton);
+ if (this.options_.title) {
+ var titleEl = createEl('li', {
+ className: 'vjs-menu-title',
+ innerHTML: toTitleCase(this.options_.title),
+ tabIndex: -1
+ });
+ this.hideThreshold_ += 1;
+ var titleComponent = new Component(this.player_, {
+ el: titleEl
+ });
+ menu.addItem(titleComponent);
+ }
-/**
- * @file chapters-track-menu-item.js
- */
-/**
- * The chapter track menu item
- *
- * @extends MenuItem
- */
+ this.items = this.createItems();
-var ChaptersTrackMenuItem = function (_MenuItem) {
- inherits(ChaptersTrackMenuItem, _MenuItem);
+ if (this.items) {
+ // Add menu items to the menu
+ for (var i = 0; i < this.items.length; i++) {
+ menu.addItem(this.items[i]);
+ }
+ }
- /**
- * Creates an instance of this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
- *
- * @param {Object} [options]
- * The key/value store of player options.
- */
- function ChaptersTrackMenuItem(player, options) {
- classCallCheck(this, ChaptersTrackMenuItem);
+ return menu;
+ }
+ /**
+ * Create the list of menu items. Specific to each subclass.
+ *
+ * @abstract
+ */
+ ;
- var track = options.track;
- var cue = options.cue;
- var currentTime = player.currentTime();
+ _proto.createItems = function createItems() {}
+ /**
+ * Create the `MenuButtons`s DOM element.
+ *
+ * @return {Element}
+ * The element that gets created.
+ */
+ ;
- // Modify options for parent MenuItem class's init.
- options.selectable = true;
- options.label = cue.text;
- options.selected = cue.startTime <= currentTime && currentTime < cue.endTime;
+ _proto.createEl = function createEl() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: this.buildWrapperCSSClass()
+ }, {});
+ }
+ /**
+ * Allow sub components to stack CSS class names for the wrapper element
+ *
+ * @return {string}
+ * The constructed wrapper DOM `className`
+ */
+ ;
- var _this = possibleConstructorReturn(this, _MenuItem.call(this, player, options));
+ _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {
+ var menuButtonClass = 'vjs-menu-button'; // If the inline option is passed, we want to use different styles altogether.
- _this.track = track;
- _this.cue = cue;
- track.addEventListener('cuechange', bind(_this, _this.update));
- return _this;
- }
+ if (this.options_.inline === true) {
+ menuButtonClass += '-inline';
+ } else {
+ menuButtonClass += '-popup';
+ } // TODO: Fix the CSS so that this isn't necessary
- /**
- * This gets called when an `ChaptersTrackMenuItem` is "clicked". See
- * {@link ClickableComponent} for more detailed information on what a click can be.
- *
- * @param {EventTarget~Event} [event]
- * The `keydown`, `tap`, or `click` event that caused this function to be
- * called.
- *
- * @listens tap
- * @listens click
- */
+ var buttonClass = Button.prototype.buildCSSClass();
+ return "vjs-menu-button " + menuButtonClass + " " + buttonClass + " " + _Component.prototype.buildCSSClass.call(this);
+ }
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+ ;
- ChaptersTrackMenuItem.prototype.handleClick = function handleClick(event) {
- _MenuItem.prototype.handleClick.call(this);
- this.player_.currentTime(this.cue.startTime);
- this.update(this.cue.startTime);
- };
+ _proto.buildCSSClass = function buildCSSClass() {
+ var menuButtonClass = 'vjs-menu-button'; // If the inline option is passed, we want to use different styles altogether.
- /**
- * Update chapter menu item
- *
- * @param {EventTarget~Event} [event]
- * The `cuechange` event that caused this function to run.
- *
- * @listens TextTrack#cuechange
- */
+ if (this.options_.inline === true) {
+ menuButtonClass += '-inline';
+ } else {
+ menuButtonClass += '-popup';
+ }
+ return "vjs-menu-button " + menuButtonClass + " " + _Component.prototype.buildCSSClass.call(this);
+ }
+ /**
+ * Get or set the localized control text that will be used for accessibility.
+ *
+ * > NOTE: This will come from the internal `menuButton_` element.
+ *
+ * @param {string} [text]
+ * Control text for element.
+ *
+ * @param {Element} [el=this.menuButton_.el()]
+ * Element to set the title on.
+ *
+ * @return {string}
+ * - The control text when getting
+ */
+ ;
- ChaptersTrackMenuItem.prototype.update = function update(event) {
- var cue = this.cue;
- var currentTime = this.player_.currentTime();
+ _proto.controlText = function controlText(text, el) {
+ if (el === void 0) {
+ el = this.menuButton_.el();
+ }
- // vjs.log(currentTime, cue.startTime);
- this.selected(cue.startTime <= currentTime && currentTime < cue.endTime);
- };
+ return this.menuButton_.controlText(text, el);
+ }
+ /**
+ * Dispose of the `menu-button` and all child components.
+ */
+ ;
- return ChaptersTrackMenuItem;
-}(MenuItem);
+ _proto.dispose = function dispose() {
+ this.handleMouseLeave();
-Component.registerComponent('ChaptersTrackMenuItem', ChaptersTrackMenuItem);
+ _Component.prototype.dispose.call(this);
+ }
+ /**
+ * Handle a click on a `MenuButton`.
+ * See {@link ClickableComponent#handleClick} for instances where this is called.
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
+ ;
-/**
- * @file chapters-button.js
- */
-/**
- * The button component for toggling and selecting chapters
- * Chapters act much differently than other text tracks
- * Cues are navigation vs. other tracks of alternative languages
- *
- * @extends TextTrackButton
- */
-
-var ChaptersButton = function (_TextTrackButton) {
- inherits(ChaptersButton, _TextTrackButton);
+ _proto.handleClick = function handleClick(event) {
+ if (this.buttonPressed_) {
+ this.unpressButton();
+ } else {
+ this.pressButton();
+ }
+ }
+ /**
+ * Handle `mouseleave` for `MenuButton`.
+ *
+ * @param {EventTarget~Event} event
+ * The `mouseleave` event that caused this function to be called.
+ *
+ * @listens mouseleave
+ */
+ ;
- /**
- * Creates an instance of this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
- *
- * @param {Object} [options]
- * The key/value store of player options.
- *
- * @param {Component~ReadyCallback} [ready]
- * The function to call when this function is ready.
- */
- function ChaptersButton(player, options, ready) {
- classCallCheck(this, ChaptersButton);
- return possibleConstructorReturn(this, _TextTrackButton.call(this, player, options, ready));
- }
+ _proto.handleMouseLeave = function handleMouseLeave(event) {
+ this.removeClass('vjs-hover');
+ off(document, 'keyup', bind(this, this.handleMenuKeyUp));
+ }
+ /**
+ * Set the focus to the actual button, not to this element
+ */
+ ;
- /**
- * Builds the default DOM `className`.
- *
- * @return {string}
- * The DOM `className` for this object.
- */
+ _proto.focus = function focus() {
+ this.menuButton_.focus();
+ }
+ /**
+ * Remove the focus from the actual button, not this element
+ */
+ ;
+ _proto.blur = function blur() {
+ this.menuButton_.blur();
+ }
+ /**
+ * Handle tab, escape, down arrow, and up arrow keys for `MenuButton`. See
+ * {@link ClickableComponent#handleKeyDown} for instances where this is called.
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown` event that caused this function to be called.
+ *
+ * @listens keydown
+ */
+ ;
- ChaptersButton.prototype.buildCSSClass = function buildCSSClass() {
- return 'vjs-chapters-button ' + _TextTrackButton.prototype.buildCSSClass.call(this);
- };
+ _proto.handleKeyDown = function handleKeyDown(event) {
+ // Escape or Tab unpress the 'button'
+ if (keycode.isEventKey(event, 'Esc') || keycode.isEventKey(event, 'Tab')) {
+ if (this.buttonPressed_) {
+ this.unpressButton();
+ } // Don't preventDefault for Tab key - we still want to lose focus
- ChaptersButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
- return 'vjs-chapters-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
- };
- /**
- * Update the menu based on the current state of its items.
- *
- * @param {EventTarget~Event} [event]
- * An event that triggered this function to run.
- *
- * @listens TextTrackList#addtrack
- * @listens TextTrackList#removetrack
- * @listens TextTrackList#change
- */
+ if (!keycode.isEventKey(event, 'Tab')) {
+ event.preventDefault(); // Set focus back to the menu button's button
+ this.menuButton_.focus();
+ } // Up Arrow or Down Arrow also 'press' the button to open the menu
- ChaptersButton.prototype.update = function update(event) {
- if (!this.track_ || event && (event.type === 'addtrack' || event.type === 'removetrack')) {
- this.setTrack(this.findChaptersTrack());
+ } else if (keycode.isEventKey(event, 'Up') || keycode.isEventKey(event, 'Down')) {
+ if (!this.buttonPressed_) {
+ event.preventDefault();
+ this.pressButton();
+ }
+ }
}
- _TextTrackButton.prototype.update.call(this);
- };
-
- /**
- * Set the currently selected track for the chapters button.
- *
- * @param {TextTrack} track
- * The new track to select. Nothing will change if this is the currently selected
- * track.
- */
-
+ /**
+ * Handle a `keyup` event on a `MenuButton`. The listener for this is added in
+ * the constructor.
+ *
+ * @param {EventTarget~Event} event
+ * Key press event
+ *
+ * @listens keyup
+ */
+ ;
- ChaptersButton.prototype.setTrack = function setTrack(track) {
- if (this.track_ === track) {
- return;
+ _proto.handleMenuKeyUp = function handleMenuKeyUp(event) {
+ // Escape hides popup menu
+ if (keycode.isEventKey(event, 'Esc') || keycode.isEventKey(event, 'Tab')) {
+ this.removeClass('vjs-hover');
+ }
}
+ /**
+ * This method name now delegates to `handleSubmenuKeyDown`. This means
+ * anyone calling `handleSubmenuKeyPress` will not see their method calls
+ * stop working.
+ *
+ * @param {EventTarget~Event} event
+ * The event that caused this function to be called.
+ */
+ ;
- if (!this.updateHandler_) {
- this.updateHandler_ = this.update.bind(this);
+ _proto.handleSubmenuKeyPress = function handleSubmenuKeyPress(event) {
+ this.handleSubmenuKeyDown(event);
}
+ /**
+ * Handle a `keydown` event on a sub-menu. The listener for this is added in
+ * the constructor.
+ *
+ * @param {EventTarget~Event} event
+ * Key press event
+ *
+ * @listens keydown
+ */
+ ;
+
+ _proto.handleSubmenuKeyDown = function handleSubmenuKeyDown(event) {
+ // Escape or Tab unpress the 'button'
+ if (keycode.isEventKey(event, 'Esc') || keycode.isEventKey(event, 'Tab')) {
+ if (this.buttonPressed_) {
+ this.unpressButton();
+ } // Don't preventDefault for Tab key - we still want to lose focus
- // here this.track_ refers to the old track instance
- if (this.track_) {
- var remoteTextTrackEl = this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_);
- if (remoteTextTrackEl) {
- remoteTextTrackEl.removeEventListener('load', this.updateHandler_);
+ if (!keycode.isEventKey(event, 'Tab')) {
+ event.preventDefault(); // Set focus back to the menu button's button
+
+ this.menuButton_.focus();
+ }
}
+ }
+ /**
+ * Put the current `MenuButton` into a pressed state.
+ */
+ ;
+
+ _proto.pressButton = function pressButton() {
+ if (this.enabled_) {
+ this.buttonPressed_ = true;
+ this.menu.show();
+ this.menu.lockShowing();
+ this.menuButton_.el_.setAttribute('aria-expanded', 'true'); // set the focus into the submenu, except on iOS where it is resulting in
+ // undesired scrolling behavior when the player is in an iframe
+
+ if (IS_IOS && isInFrame()) {
+ // Return early so that the menu isn't focused
+ return;
+ }
- this.track_ = null;
+ this.menu.focus();
+ }
+ }
+ /**
+ * Take the current `MenuButton` out of a pressed state.
+ */
+ ;
+
+ _proto.unpressButton = function unpressButton() {
+ if (this.enabled_) {
+ this.buttonPressed_ = false;
+ this.menu.unlockShowing();
+ this.menu.hide();
+ this.menuButton_.el_.setAttribute('aria-expanded', 'false');
+ }
}
+ /**
+ * Disable the `MenuButton`. Don't allow it to be clicked.
+ */
+ ;
- this.track_ = track;
+ _proto.disable = function disable() {
+ this.unpressButton();
+ this.enabled_ = false;
+ this.addClass('vjs-disabled');
+ this.menuButton_.disable();
+ }
+ /**
+ * Enable the `MenuButton`. Allow it to be clicked.
+ */
+ ;
- // here this.track_ refers to the new track instance
- if (this.track_) {
- this.track_.mode = 'hidden';
+ _proto.enable = function enable() {
+ this.enabled_ = true;
+ this.removeClass('vjs-disabled');
+ this.menuButton_.enable();
+ };
- var _remoteTextTrackEl = this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_);
+ return MenuButton;
+ }(Component);
- if (_remoteTextTrackEl) {
- _remoteTextTrackEl.addEventListener('load', this.updateHandler_);
- }
- }
- };
+ Component.registerComponent('MenuButton', MenuButton);
/**
- * Find the track object that is currently in use by this ChaptersButton
+ * The base class for buttons that toggle specific track types (e.g. subtitles).
*
- * @return {TextTrack|undefined}
- * The current track or undefined if none was found.
+ * @extends MenuButton
*/
+ var TrackButton = /*#__PURE__*/function (_MenuButton) {
+ inheritsLoose(TrackButton, _MenuButton);
- ChaptersButton.prototype.findChaptersTrack = function findChaptersTrack() {
- var tracks = this.player_.textTracks() || [];
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function TrackButton(player, options) {
+ var _this;
- for (var i = tracks.length - 1; i >= 0; i--) {
- // We will always choose the last track as our chaptersTrack
- var track = tracks[i];
+ var tracks = options.tracks;
+ _this = _MenuButton.call(this, player, options) || this;
- if (track.kind === this.kind_) {
- return track;
+ if (_this.items.length <= 1) {
+ _this.hide();
}
- }
- };
- /**
- * Get the caption for the ChaptersButton based on the track label. This will also
- * use the current tracks localized kind as a fallback if a label does not exist.
- *
- * @return {string}
- * The tracks current label or the localized track kind.
- */
+ if (!tracks) {
+ return assertThisInitialized(_this);
+ }
+
+ var updateHandler = bind(assertThisInitialized(_this), _this.update);
+ tracks.addEventListener('removetrack', updateHandler);
+ tracks.addEventListener('addtrack', updateHandler);
+
+ _this.player_.on('ready', updateHandler);
+ _this.player_.on('dispose', function () {
+ tracks.removeEventListener('removetrack', updateHandler);
+ tracks.removeEventListener('addtrack', updateHandler);
+ });
- ChaptersButton.prototype.getMenuCaption = function getMenuCaption() {
- if (this.track_ && this.track_.label) {
- return this.track_.label;
+ return _this;
}
- return this.localize(toTitleCase(this.kind_));
- };
+
+ return TrackButton;
+ }(MenuButton);
+
+ Component.registerComponent('TrackButton', TrackButton);
/**
- * Create menu from chapter track
- *
- * @return {Menu}
- * New menu for the chapter buttons
+ * @file menu-keys.js
*/
-
- ChaptersButton.prototype.createMenu = function createMenu() {
- this.options_.title = this.getMenuCaption();
- return _TextTrackButton.prototype.createMenu.call(this);
- };
+ /**
+ * All keys used for operation of a menu (`MenuButton`, `Menu`, and `MenuItem`)
+ * Note that 'Enter' and 'Space' are not included here (otherwise they would
+ * prevent the `MenuButton` and `MenuItem` from being keyboard-clickable)
+ * @typedef MenuKeys
+ * @array
+ */
+ var MenuKeys = ['Tab', 'Esc', 'Up', 'Down', 'Right', 'Left'];
/**
- * Create a menu item for each text track
+ * The component for a menu item. `<li>`
*
- * @return {TextTrackMenuItem[]}
- * Array of menu items
+ * @extends ClickableComponent
*/
+ var MenuItem = /*#__PURE__*/function (_ClickableComponent) {
+ inheritsLoose(MenuItem, _ClickableComponent);
- ChaptersButton.prototype.createItems = function createItems() {
- var items = [];
-
- if (!this.track_) {
- return items;
- }
+ /**
+ * Creates an instance of the this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options={}]
+ * The key/value store of player options.
+ *
+ */
+ function MenuItem(player, options) {
+ var _this;
- var cues = this.track_.cues;
+ _this = _ClickableComponent.call(this, player, options) || this;
+ _this.selectable = options.selectable;
+ _this.isSelected_ = options.selected || false;
+ _this.multiSelectable = options.multiSelectable;
- if (!cues) {
- return items;
- }
+ _this.selected(_this.isSelected_);
- for (var i = 0, l = cues.length; i < l; i++) {
- var cue = cues[i];
- var mi = new ChaptersTrackMenuItem(this.player_, { track: this.track_, cue: cue });
+ if (_this.selectable) {
+ if (_this.multiSelectable) {
+ _this.el_.setAttribute('role', 'menuitemcheckbox');
+ } else {
+ _this.el_.setAttribute('role', 'menuitemradio');
+ }
+ } else {
+ _this.el_.setAttribute('role', 'menuitem');
+ }
- items.push(mi);
+ return _this;
}
+ /**
+ * Create the `MenuItem's DOM element
+ *
+ * @param {string} [type=li]
+ * Element's node type, not actually used, always set to `li`.
+ *
+ * @param {Object} [props={}]
+ * An object of properties that should be set on the element
+ *
+ * @param {Object} [attrs={}]
+ * An object of attributes that should be set on the element
+ *
+ * @return {Element}
+ * The element that gets created.
+ */
- return items;
- };
- return ChaptersButton;
-}(TextTrackButton);
+ var _proto = MenuItem.prototype;
-/**
- * `kind` of TextTrack to look for to associate it with this menu.
- *
- * @type {string}
- * @private
- */
+ _proto.createEl = function createEl(type, props, attrs) {
+ // The control is textual, not just an icon
+ this.nonIconControl = true;
+ return _ClickableComponent.prototype.createEl.call(this, 'li', assign({
+ className: 'vjs-menu-item',
+ innerHTML: "<span class=\"vjs-menu-item-text\">" + this.localize(this.options_.label) + "</span>",
+ tabIndex: -1
+ }, props), attrs);
+ }
+ /**
+ * Ignore keys which are used by the menu, but pass any other ones up. See
+ * {@link ClickableComponent#handleKeyDown} for instances where this is called.
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown` event that caused this function to be called.
+ *
+ * @listens keydown
+ */
+ ;
+
+ _proto.handleKeyDown = function handleKeyDown(event) {
+ if (!MenuKeys.some(function (key) {
+ return keycode.isEventKey(event, key);
+ })) {
+ // Pass keydown handling up for unused keys
+ _ClickableComponent.prototype.handleKeyDown.call(this, event);
+ }
+ }
+ /**
+ * Any click on a `MenuItem` puts it into the selected state.
+ * See {@link ClickableComponent#handleClick} for instances where this is called.
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
+ ;
+ _proto.handleClick = function handleClick(event) {
+ this.selected(true);
+ }
+ /**
+ * Set the state for this menu item as selected or not.
+ *
+ * @param {boolean} selected
+ * if the menu item is selected or not
+ */
+ ;
-ChaptersButton.prototype.kind_ = 'chapters';
+ _proto.selected = function selected(_selected) {
+ if (this.selectable) {
+ if (_selected) {
+ this.addClass('vjs-selected');
+ this.el_.setAttribute('aria-checked', 'true'); // aria-checked isn't fully supported by browsers/screen readers,
+ // so indicate selected state to screen reader in the control text.
-/**
- * The text that should display over the `ChaptersButton`s controls. Added for localization.
- *
- * @type {string}
- * @private
- */
-ChaptersButton.prototype.controlText_ = 'Chapters';
+ this.controlText(', selected');
+ this.isSelected_ = true;
+ } else {
+ this.removeClass('vjs-selected');
+ this.el_.setAttribute('aria-checked', 'false'); // Indicate un-selected state to screen reader
-Component.registerComponent('ChaptersButton', ChaptersButton);
+ this.controlText('');
+ this.isSelected_ = false;
+ }
+ }
+ };
-/**
- * @file descriptions-button.js
- */
-/**
- * The button component for toggling and selecting descriptions
- *
- * @extends TextTrackButton
- */
+ return MenuItem;
+ }(ClickableComponent);
-var DescriptionsButton = function (_TextTrackButton) {
- inherits(DescriptionsButton, _TextTrackButton);
+ Component.registerComponent('MenuItem', MenuItem);
/**
- * Creates an instance of this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
+ * The specific menu item type for selecting a language within a text track kind
*
- * @param {Object} [options]
- * The key/value store of player options.
- *
- * @param {Component~ReadyCallback} [ready]
- * The function to call when this component is ready.
+ * @extends MenuItem
*/
- function DescriptionsButton(player, options, ready) {
- classCallCheck(this, DescriptionsButton);
- var _this = possibleConstructorReturn(this, _TextTrackButton.call(this, player, options, ready));
+ var TextTrackMenuItem = /*#__PURE__*/function (_MenuItem) {
+ inheritsLoose(TextTrackMenuItem, _MenuItem);
- var tracks = player.textTracks();
- var changeHandler = bind(_this, _this.handleTracksChange);
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function TextTrackMenuItem(player, options) {
+ var _this;
- tracks.addEventListener('change', changeHandler);
- _this.on('dispose', function () {
- tracks.removeEventListener('change', changeHandler);
- });
- return _this;
- }
+ var track = options.track;
+ var tracks = player.textTracks(); // Modify options for parent MenuItem class's init.
- /**
- * Handle text track change
- *
- * @param {EventTarget~Event} event
- * The event that caused this function to run
- *
- * @listens TextTrackList#change
- */
+ options.label = track.label || track.language || 'Unknown';
+ options.selected = track.mode === 'showing';
+ _this = _MenuItem.call(this, player, options) || this;
+ _this.track = track; // Determine the relevant kind(s) of tracks for this component and filter
+ // out empty kinds.
+ _this.kinds = (options.kinds || [options.kind || _this.track.kind]).filter(Boolean);
- DescriptionsButton.prototype.handleTracksChange = function handleTracksChange(event) {
- var tracks = this.player().textTracks();
- var disabled = false;
+ var changeHandler = function changeHandler() {
+ for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
+ args[_key] = arguments[_key];
+ }
- // Check whether a track of a different kind is showing
- for (var i = 0, l = tracks.length; i < l; i++) {
- var track = tracks[i];
+ _this.handleTracksChange.apply(assertThisInitialized(_this), args);
+ };
- if (track.kind !== this.kind_ && track.mode === 'showing') {
- disabled = true;
- break;
- }
- }
+ var selectedLanguageChangeHandler = function selectedLanguageChangeHandler() {
+ for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
+ args[_key2] = arguments[_key2];
+ }
- // If another track is showing, disable this menu button
- if (disabled) {
- this.disable();
- } else {
- this.enable();
- }
- };
+ _this.handleSelectedLanguageChange.apply(assertThisInitialized(_this), args);
+ };
- /**
- * Builds the default DOM `className`.
- *
- * @return {string}
- * The DOM `className` for this object.
- */
+ player.on(['loadstart', 'texttrackchange'], changeHandler);
+ tracks.addEventListener('change', changeHandler);
+ tracks.addEventListener('selectedlanguagechange', selectedLanguageChangeHandler);
+ _this.on('dispose', function () {
+ player.off(['loadstart', 'texttrackchange'], changeHandler);
+ tracks.removeEventListener('change', changeHandler);
+ tracks.removeEventListener('selectedlanguagechange', selectedLanguageChangeHandler);
+ }); // iOS7 doesn't dispatch change events to TextTrackLists when an
+ // associated track's mode changes. Without something like
+ // Object.observe() (also not present on iOS7), it's not
+ // possible to detect changes to the mode attribute and polyfill
+ // the change event. As a poor substitute, we manually dispatch
+ // change events whenever the controls modify the mode.
- DescriptionsButton.prototype.buildCSSClass = function buildCSSClass() {
- return 'vjs-descriptions-button ' + _TextTrackButton.prototype.buildCSSClass.call(this);
- };
- DescriptionsButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
- return 'vjs-descriptions-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
- };
+ if (tracks.onchange === undefined) {
+ var event;
- return DescriptionsButton;
-}(TextTrackButton);
+ _this.on(['tap', 'click'], function () {
+ if (typeof window$3.Event !== 'object') {
+ // Android 2.3 throws an Illegal Constructor error for window.Event
+ try {
+ event = new window$3.Event('change');
+ } catch (err) {// continue regardless of error
+ }
+ }
-/**
- * `kind` of TextTrack to look for to associate it with this menu.
- *
- * @type {string}
- * @private
- */
+ if (!event) {
+ event = document.createEvent('Event');
+ event.initEvent('change', true, true);
+ }
+ tracks.dispatchEvent(event);
+ });
+ } // set the default state based on current tracks
-DescriptionsButton.prototype.kind_ = 'descriptions';
-/**
- * The text that should display over the `DescriptionsButton`s controls. Added for localization.
- *
- * @type {string}
- * @private
- */
-DescriptionsButton.prototype.controlText_ = 'Descriptions';
+ _this.handleTracksChange();
-Component.registerComponent('DescriptionsButton', DescriptionsButton);
+ return _this;
+ }
+ /**
+ * This gets called when an `TextTrackMenuItem` is "clicked". See
+ * {@link ClickableComponent} for more detailed information on what a click can be.
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
-/**
- * @file subtitles-button.js
- */
-/**
- * The button component for toggling and selecting subtitles
- *
- * @extends TextTrackButton
- */
-var SubtitlesButton = function (_TextTrackButton) {
- inherits(SubtitlesButton, _TextTrackButton);
+ var _proto = TextTrackMenuItem.prototype;
- /**
- * Creates an instance of this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
- *
- * @param {Object} [options]
- * The key/value store of player options.
- *
- * @param {Component~ReadyCallback} [ready]
- * The function to call when this component is ready.
- */
- function SubtitlesButton(player, options, ready) {
- classCallCheck(this, SubtitlesButton);
- return possibleConstructorReturn(this, _TextTrackButton.call(this, player, options, ready));
- }
+ _proto.handleClick = function handleClick(event) {
+ var referenceTrack = this.track;
+ var tracks = this.player_.textTracks();
- /**
- * Builds the default DOM `className`.
- *
- * @return {string}
- * The DOM `className` for this object.
- */
+ _MenuItem.prototype.handleClick.call(this, event);
+ if (!tracks) {
+ return;
+ }
- SubtitlesButton.prototype.buildCSSClass = function buildCSSClass() {
- return 'vjs-subtitles-button ' + _TextTrackButton.prototype.buildCSSClass.call(this);
- };
+ for (var i = 0; i < tracks.length; i++) {
+ var track = tracks[i]; // If the track from the text tracks list is not of the right kind,
+ // skip it. We do not want to affect tracks of incompatible kind(s).
- SubtitlesButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
- return 'vjs-subtitles-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
- };
+ if (this.kinds.indexOf(track.kind) === -1) {
+ continue;
+ } // If this text track is the component's track and it is not showing,
+ // set it to showing.
- return SubtitlesButton;
-}(TextTrackButton);
-/**
- * `kind` of TextTrack to look for to associate it with this menu.
- *
- * @type {string}
- * @private
- */
+ if (track === referenceTrack) {
+ if (track.mode !== 'showing') {
+ track.mode = 'showing';
+ } // If this text track is not the component's track and it is not
+ // disabled, set it to disabled.
+ } else if (track.mode !== 'disabled') {
+ track.mode = 'disabled';
+ }
+ }
+ }
+ /**
+ * Handle text track list change
+ *
+ * @param {EventTarget~Event} event
+ * The `change` event that caused this function to be called.
+ *
+ * @listens TextTrackList#change
+ */
+ ;
-SubtitlesButton.prototype.kind_ = 'subtitles';
+ _proto.handleTracksChange = function handleTracksChange(event) {
+ var shouldBeSelected = this.track.mode === 'showing'; // Prevent redundant selected() calls because they may cause
+ // screen readers to read the appended control text unnecessarily
-/**
- * The text that should display over the `SubtitlesButton`s controls. Added for localization.
- *
- * @type {string}
- * @private
- */
-SubtitlesButton.prototype.controlText_ = 'Subtitles';
+ if (shouldBeSelected !== this.isSelected_) {
+ this.selected(shouldBeSelected);
+ }
+ };
-Component.registerComponent('SubtitlesButton', SubtitlesButton);
+ _proto.handleSelectedLanguageChange = function handleSelectedLanguageChange(event) {
+ if (this.track.mode === 'showing') {
+ var selectedLanguage = this.player_.cache_.selectedLanguage; // Don't replace the kind of track across the same language
-/**
- * @file caption-settings-menu-item.js
- */
-/**
- * The menu item for caption track settings menu
- *
- * @extends TextTrackMenuItem
- */
-
-var CaptionSettingsMenuItem = function (_TextTrackMenuItem) {
- inherits(CaptionSettingsMenuItem, _TextTrackMenuItem);
-
- /**
- * Creates an instance of this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
- *
- * @param {Object} [options]
- * The key/value store of player options.
- */
- function CaptionSettingsMenuItem(player, options) {
- classCallCheck(this, CaptionSettingsMenuItem);
+ if (selectedLanguage && selectedLanguage.enabled && selectedLanguage.language === this.track.language && selectedLanguage.kind !== this.track.kind) {
+ return;
+ }
- options.track = {
- player: player,
- kind: options.kind,
- label: options.kind + ' settings',
- selectable: false,
- 'default': false,
- mode: 'disabled'
+ this.player_.cache_.selectedLanguage = {
+ enabled: true,
+ language: this.track.language,
+ kind: this.track.kind
+ };
+ }
};
- // CaptionSettingsMenuItem has no concept of 'selected'
- options.selectable = false;
+ _proto.dispose = function dispose() {
+ // remove reference to track object on dispose
+ this.track = null;
- options.name = 'CaptionSettingsMenuItem';
+ _MenuItem.prototype.dispose.call(this);
+ };
- var _this = possibleConstructorReturn(this, _TextTrackMenuItem.call(this, player, options));
+ return TextTrackMenuItem;
+ }(MenuItem);
- _this.addClass('vjs-texttrack-settings');
- _this.controlText(', opens ' + options.kind + ' settings dialog');
- return _this;
- }
+ Component.registerComponent('TextTrackMenuItem', TextTrackMenuItem);
/**
- * This gets called when an `CaptionSettingsMenuItem` is "clicked". See
- * {@link ClickableComponent} for more detailed information on what a click can be.
+ * A special menu item for turning of a specific type of text track
*
- * @param {EventTarget~Event} [event]
- * The `keydown`, `tap`, or `click` event that caused this function to be
- * called.
- *
- * @listens tap
- * @listens click
+ * @extends TextTrackMenuItem
*/
+ var OffTextTrackMenuItem = /*#__PURE__*/function (_TextTrackMenuItem) {
+ inheritsLoose(OffTextTrackMenuItem, _TextTrackMenuItem);
- CaptionSettingsMenuItem.prototype.handleClick = function handleClick(event) {
- this.player().getChild('textTrackSettings').open();
- };
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function OffTextTrackMenuItem(player, options) {
+ // Create pseudo track info
+ // Requires options['kind']
+ options.track = {
+ player: player,
+ // it is no longer necessary to store `kind` or `kinds` on the track itself
+ // since they are now stored in the `kinds` property of all instances of
+ // TextTrackMenuItem, but this will remain for backwards compatibility
+ kind: options.kind,
+ kinds: options.kinds,
+ "default": false,
+ mode: 'disabled'
+ };
- return CaptionSettingsMenuItem;
-}(TextTrackMenuItem);
+ if (!options.kinds) {
+ options.kinds = [options.kind];
+ }
-Component.registerComponent('CaptionSettingsMenuItem', CaptionSettingsMenuItem);
+ if (options.label) {
+ options.track.label = options.label;
+ } else {
+ options.track.label = options.kinds.join(' and ') + ' off';
+ } // MenuItem is selectable
-/**
- * @file captions-button.js
- */
-/**
- * The button component for toggling and selecting captions
- *
- * @extends TextTrackButton
- */
-var CaptionsButton = function (_TextTrackButton) {
- inherits(CaptionsButton, _TextTrackButton);
+ options.selectable = true; // MenuItem is NOT multiSelectable (i.e. only one can be marked "selected" at a time)
- /**
- * Creates an instance of this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
- *
- * @param {Object} [options]
- * The key/value store of player options.
- *
- * @param {Component~ReadyCallback} [ready]
- * The function to call when this component is ready.
- */
- function CaptionsButton(player, options, ready) {
- classCallCheck(this, CaptionsButton);
- return possibleConstructorReturn(this, _TextTrackButton.call(this, player, options, ready));
- }
+ options.multiSelectable = false;
+ return _TextTrackMenuItem.call(this, player, options) || this;
+ }
+ /**
+ * Handle text track change
+ *
+ * @param {EventTarget~Event} event
+ * The event that caused this function to run
+ */
- /**
- * Builds the default DOM `className`.
- *
- * @return {string}
- * The DOM `className` for this object.
- */
+ var _proto = OffTextTrackMenuItem.prototype;
- CaptionsButton.prototype.buildCSSClass = function buildCSSClass() {
- return 'vjs-captions-button ' + _TextTrackButton.prototype.buildCSSClass.call(this);
- };
+ _proto.handleTracksChange = function handleTracksChange(event) {
+ var tracks = this.player().textTracks();
+ var shouldBeSelected = true;
- CaptionsButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
- return 'vjs-captions-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
- };
+ for (var i = 0, l = tracks.length; i < l; i++) {
+ var track = tracks[i];
- /**
- * Create caption menu items
- *
- * @return {CaptionSettingsMenuItem[]}
- * The array of current menu items.
- */
+ if (this.options_.kinds.indexOf(track.kind) > -1 && track.mode === 'showing') {
+ shouldBeSelected = false;
+ break;
+ }
+ } // Prevent redundant selected() calls because they may cause
+ // screen readers to read the appended control text unnecessarily
- CaptionsButton.prototype.createItems = function createItems() {
- var items = [];
+ if (shouldBeSelected !== this.isSelected_) {
+ this.selected(shouldBeSelected);
+ }
+ };
- if (!(this.player().tech_ && this.player().tech_.featuresNativeTextTracks)) {
- items.push(new CaptionSettingsMenuItem(this.player_, { kind: this.kind_ }));
+ _proto.handleSelectedLanguageChange = function handleSelectedLanguageChange(event) {
+ var tracks = this.player().textTracks();
+ var allHidden = true;
- this.hideThreshold_ += 1;
- }
+ for (var i = 0, l = tracks.length; i < l; i++) {
+ var track = tracks[i];
- return _TextTrackButton.prototype.createItems.call(this, items);
- };
+ if (['captions', 'descriptions', 'subtitles'].indexOf(track.kind) > -1 && track.mode === 'showing') {
+ allHidden = false;
+ break;
+ }
+ }
- return CaptionsButton;
-}(TextTrackButton);
+ if (allHidden) {
+ this.player_.cache_.selectedLanguage = {
+ enabled: false
+ };
+ }
+ };
-/**
- * `kind` of TextTrack to look for to associate it with this menu.
- *
- * @type {string}
- * @private
- */
+ return OffTextTrackMenuItem;
+ }(TextTrackMenuItem);
+ Component.registerComponent('OffTextTrackMenuItem', OffTextTrackMenuItem);
-CaptionsButton.prototype.kind_ = 'captions';
+ /**
+ * The base class for buttons that toggle specific text track types (e.g. subtitles)
+ *
+ * @extends MenuButton
+ */
-/**
- * The text that should display over the `CaptionsButton`s controls. Added for localization.
- *
- * @type {string}
- * @private
- */
-CaptionsButton.prototype.controlText_ = 'Captions';
+ var TextTrackButton = /*#__PURE__*/function (_TrackButton) {
+ inheritsLoose(TextTrackButton, _TrackButton);
-Component.registerComponent('CaptionsButton', CaptionsButton);
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options={}]
+ * The key/value store of player options.
+ */
+ function TextTrackButton(player, options) {
+ if (options === void 0) {
+ options = {};
+ }
-/**
- * @file subs-caps-menu-item.js
- */
-/**
- * SubsCapsMenuItem has an [cc] icon to distinguish captions from subtitles
- * in the SubsCapsMenu.
- *
- * @extends TextTrackMenuItem
- */
+ options.tracks = player.textTracks();
+ return _TrackButton.call(this, player, options) || this;
+ }
+ /**
+ * Create a menu item for each text track
+ *
+ * @param {TextTrackMenuItem[]} [items=[]]
+ * Existing array of items to use during creation
+ *
+ * @return {TextTrackMenuItem[]}
+ * Array of menu items that were created
+ */
-var SubsCapsMenuItem = function (_TextTrackMenuItem) {
- inherits(SubsCapsMenuItem, _TextTrackMenuItem);
- function SubsCapsMenuItem() {
- classCallCheck(this, SubsCapsMenuItem);
- return possibleConstructorReturn(this, _TextTrackMenuItem.apply(this, arguments));
- }
+ var _proto = TextTrackButton.prototype;
- SubsCapsMenuItem.prototype.createEl = function createEl(type, props, attrs) {
- var innerHTML = '<span class="vjs-menu-item-text">' + this.localize(this.options_.label);
+ _proto.createItems = function createItems(items, TrackMenuItem) {
+ if (items === void 0) {
+ items = [];
+ }
- if (this.options_.track.kind === 'captions') {
- innerHTML += '\n <span aria-hidden="true" class="vjs-icon-placeholder"></span>\n <span class="vjs-control-text"> ' + this.localize('Captions') + '</span>\n ';
- }
+ if (TrackMenuItem === void 0) {
+ TrackMenuItem = TextTrackMenuItem;
+ }
- innerHTML += '</span>';
+ // Label is an override for the [track] off label
+ // USed to localise captions/subtitles
+ var label;
- var el = _TextTrackMenuItem.prototype.createEl.call(this, type, assign({
- innerHTML: innerHTML
- }, props), attrs);
+ if (this.label_) {
+ label = this.label_ + " off";
+ } // Add an OFF menu item to turn all tracks off
- return el;
- };
- return SubsCapsMenuItem;
-}(TextTrackMenuItem);
+ items.push(new OffTextTrackMenuItem(this.player_, {
+ kinds: this.kinds_,
+ kind: this.kind_,
+ label: label
+ }));
+ this.hideThreshold_ += 1;
+ var tracks = this.player_.textTracks();
-Component.registerComponent('SubsCapsMenuItem', SubsCapsMenuItem);
+ if (!Array.isArray(this.kinds_)) {
+ this.kinds_ = [this.kind_];
+ }
-/**
- * @file sub-caps-button.js
- */
-/**
- * The button component for toggling and selecting captions and/or subtitles
- *
- * @extends TextTrackButton
- */
+ for (var i = 0; i < tracks.length; i++) {
+ var track = tracks[i]; // only add tracks that are of an appropriate kind and have a label
-var SubsCapsButton = function (_TextTrackButton) {
- inherits(SubsCapsButton, _TextTrackButton);
+ if (this.kinds_.indexOf(track.kind) > -1) {
+ var item = new TrackMenuItem(this.player_, {
+ track: track,
+ kinds: this.kinds_,
+ kind: this.kind_,
+ // MenuItem is selectable
+ selectable: true,
+ // MenuItem is NOT multiSelectable (i.e. only one can be marked "selected" at a time)
+ multiSelectable: false
+ });
+ item.addClass("vjs-" + track.kind + "-menu-item");
+ items.push(item);
+ }
+ }
- function SubsCapsButton(player) {
- var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
- classCallCheck(this, SubsCapsButton);
+ return items;
+ };
- // Although North America uses "captions" in most cases for
- // "captions and subtitles" other locales use "subtitles"
- var _this = possibleConstructorReturn(this, _TextTrackButton.call(this, player, options));
+ return TextTrackButton;
+ }(TrackButton);
- _this.label_ = 'subtitles';
- if (['en', 'en-us', 'en-ca', 'fr-ca'].indexOf(_this.player_.language_) > -1) {
- _this.label_ = 'captions';
- }
- _this.menuButton_.controlText(toTitleCase(_this.label_));
- return _this;
- }
+ Component.registerComponent('TextTrackButton', TextTrackButton);
/**
- * Builds the default DOM `className`.
+ * The chapter track menu item
*
- * @return {string}
- * The DOM `className` for this object.
+ * @extends MenuItem
*/
+ var ChaptersTrackMenuItem = /*#__PURE__*/function (_MenuItem) {
+ inheritsLoose(ChaptersTrackMenuItem, _MenuItem);
- SubsCapsButton.prototype.buildCSSClass = function buildCSSClass() {
- return 'vjs-subs-caps-button ' + _TextTrackButton.prototype.buildCSSClass.call(this);
- };
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function ChaptersTrackMenuItem(player, options) {
+ var _this;
+
+ var track = options.track;
+ var cue = options.cue;
+ var currentTime = player.currentTime(); // Modify options for parent MenuItem class's init.
+
+ options.selectable = true;
+ options.multiSelectable = false;
+ options.label = cue.text;
+ options.selected = cue.startTime <= currentTime && currentTime < cue.endTime;
+ _this = _MenuItem.call(this, player, options) || this;
+ _this.track = track;
+ _this.cue = cue;
+ track.addEventListener('cuechange', bind(assertThisInitialized(_this), _this.update));
+ return _this;
+ }
+ /**
+ * This gets called when an `ChaptersTrackMenuItem` is "clicked". See
+ * {@link ClickableComponent} for more detailed information on what a click can be.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
- SubsCapsButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
- return 'vjs-subs-caps-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
- };
- /**
- * Create caption/subtitles menu items
- *
- * @return {CaptionSettingsMenuItem[]}
- * The array of current menu items.
- */
+ var _proto = ChaptersTrackMenuItem.prototype;
+
+ _proto.handleClick = function handleClick(event) {
+ _MenuItem.prototype.handleClick.call(this);
+
+ this.player_.currentTime(this.cue.startTime);
+ this.update(this.cue.startTime);
+ }
+ /**
+ * Update chapter menu item
+ *
+ * @param {EventTarget~Event} [event]
+ * The `cuechange` event that caused this function to run.
+ *
+ * @listens TextTrack#cuechange
+ */
+ ;
+ _proto.update = function update(event) {
+ var cue = this.cue;
+ var currentTime = this.player_.currentTime(); // vjs.log(currentTime, cue.startTime);
- SubsCapsButton.prototype.createItems = function createItems() {
- var items = [];
+ this.selected(cue.startTime <= currentTime && currentTime < cue.endTime);
+ };
- if (!(this.player().tech_ && this.player().tech_.featuresNativeTextTracks)) {
- items.push(new CaptionSettingsMenuItem(this.player_, { kind: this.label_ }));
+ return ChaptersTrackMenuItem;
+ }(MenuItem);
- this.hideThreshold_ += 1;
- }
+ Component.registerComponent('ChaptersTrackMenuItem', ChaptersTrackMenuItem);
- items = _TextTrackButton.prototype.createItems.call(this, items, SubsCapsMenuItem);
- return items;
- };
+ /**
+ * The button component for toggling and selecting chapters
+ * Chapters act much differently than other text tracks
+ * Cues are navigation vs. other tracks of alternative languages
+ *
+ * @extends TextTrackButton
+ */
- return SubsCapsButton;
-}(TextTrackButton);
+ var ChaptersButton = /*#__PURE__*/function (_TextTrackButton) {
+ inheritsLoose(ChaptersButton, _TextTrackButton);
-/**
- * `kind`s of TextTrack to look for to associate it with this menu.
- *
- * @type {array}
- * @private
- */
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ *
+ * @param {Component~ReadyCallback} [ready]
+ * The function to call when this function is ready.
+ */
+ function ChaptersButton(player, options, ready) {
+ return _TextTrackButton.call(this, player, options, ready) || this;
+ }
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
-SubsCapsButton.prototype.kinds_ = ['captions', 'subtitles'];
+ var _proto = ChaptersButton.prototype;
-/**
- * The text that should display over the `SubsCapsButton`s controls.
- *
- *
- * @type {string}
- * @private
- */
-SubsCapsButton.prototype.controlText_ = 'Subtitles';
+ _proto.buildCSSClass = function buildCSSClass() {
+ return "vjs-chapters-button " + _TextTrackButton.prototype.buildCSSClass.call(this);
+ };
-Component.registerComponent('SubsCapsButton', SubsCapsButton);
+ _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {
+ return "vjs-chapters-button " + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
+ }
+ /**
+ * Update the menu based on the current state of its items.
+ *
+ * @param {EventTarget~Event} [event]
+ * An event that triggered this function to run.
+ *
+ * @listens TextTrackList#addtrack
+ * @listens TextTrackList#removetrack
+ * @listens TextTrackList#change
+ */
+ ;
-/**
- * @file audio-track-menu-item.js
- */
-/**
- * An {@link AudioTrack} {@link MenuItem}
- *
- * @extends MenuItem
- */
+ _proto.update = function update(event) {
+ if (!this.track_ || event && (event.type === 'addtrack' || event.type === 'removetrack')) {
+ this.setTrack(this.findChaptersTrack());
+ }
-var AudioTrackMenuItem = function (_MenuItem) {
- inherits(AudioTrackMenuItem, _MenuItem);
+ _TextTrackButton.prototype.update.call(this);
+ }
+ /**
+ * Set the currently selected track for the chapters button.
+ *
+ * @param {TextTrack} track
+ * The new track to select. Nothing will change if this is the currently selected
+ * track.
+ */
+ ;
- /**
- * Creates an instance of this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
- *
- * @param {Object} [options]
- * The key/value store of player options.
- */
- function AudioTrackMenuItem(player, options) {
- classCallCheck(this, AudioTrackMenuItem);
+ _proto.setTrack = function setTrack(track) {
+ if (this.track_ === track) {
+ return;
+ }
- var track = options.track;
- var tracks = player.audioTracks();
+ if (!this.updateHandler_) {
+ this.updateHandler_ = this.update.bind(this);
+ } // here this.track_ refers to the old track instance
- // Modify options for parent MenuItem class's init.
- options.label = track.label || track.language || 'Unknown';
- options.selected = track.enabled;
- var _this = possibleConstructorReturn(this, _MenuItem.call(this, player, options));
+ if (this.track_) {
+ var remoteTextTrackEl = this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_);
- _this.track = track;
+ if (remoteTextTrackEl) {
+ remoteTextTrackEl.removeEventListener('load', this.updateHandler_);
+ }
- var changeHandler = function changeHandler() {
- for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
- args[_key] = arguments[_key];
+ this.track_ = null;
}
- _this.handleTracksChange.apply(_this, args);
- };
+ this.track_ = track; // here this.track_ refers to the new track instance
- tracks.addEventListener('change', changeHandler);
- _this.on('dispose', function () {
- tracks.removeEventListener('change', changeHandler);
- });
- return _this;
- }
+ if (this.track_) {
+ this.track_.mode = 'hidden';
- /**
- * This gets called when an `AudioTrackMenuItem is "clicked". See {@link ClickableComponent}
- * for more detailed information on what a click can be.
- *
- * @param {EventTarget~Event} [event]
- * The `keydown`, `tap`, or `click` event that caused this function to be
- * called.
- *
- * @listens tap
- * @listens click
- */
+ var _remoteTextTrackEl = this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_);
+
+ if (_remoteTextTrackEl) {
+ _remoteTextTrackEl.addEventListener('load', this.updateHandler_);
+ }
+ }
+ }
+ /**
+ * Find the track object that is currently in use by this ChaptersButton
+ *
+ * @return {TextTrack|undefined}
+ * The current track or undefined if none was found.
+ */
+ ;
+ _proto.findChaptersTrack = function findChaptersTrack() {
+ var tracks = this.player_.textTracks() || [];
- AudioTrackMenuItem.prototype.handleClick = function handleClick(event) {
- var tracks = this.player_.audioTracks();
+ for (var i = tracks.length - 1; i >= 0; i--) {
+ // We will always choose the last track as our chaptersTrack
+ var track = tracks[i];
- _MenuItem.prototype.handleClick.call(this, event);
+ if (track.kind === this.kind_) {
+ return track;
+ }
+ }
+ }
+ /**
+ * Get the caption for the ChaptersButton based on the track label. This will also
+ * use the current tracks localized kind as a fallback if a label does not exist.
+ *
+ * @return {string}
+ * The tracks current label or the localized track kind.
+ */
+ ;
- for (var i = 0; i < tracks.length; i++) {
- var track = tracks[i];
+ _proto.getMenuCaption = function getMenuCaption() {
+ if (this.track_ && this.track_.label) {
+ return this.track_.label;
+ }
- track.enabled = track === this.track;
+ return this.localize(toTitleCase(this.kind_));
}
- };
+ /**
+ * Create menu from chapter track
+ *
+ * @return {Menu}
+ * New menu for the chapter buttons
+ */
+ ;
- /**
- * Handle any {@link AudioTrack} change.
- *
- * @param {EventTarget~Event} [event]
- * The {@link AudioTrackList#change} event that caused this to run.
- *
- * @listens AudioTrackList#change
- */
+ _proto.createMenu = function createMenu() {
+ this.options_.title = this.getMenuCaption();
+ return _TextTrackButton.prototype.createMenu.call(this);
+ }
+ /**
+ * Create a menu item for each text track
+ *
+ * @return {TextTrackMenuItem[]}
+ * Array of menu items
+ */
+ ;
+ _proto.createItems = function createItems() {
+ var items = [];
- AudioTrackMenuItem.prototype.handleTracksChange = function handleTracksChange(event) {
- this.selected(this.track.enabled);
- };
+ if (!this.track_) {
+ return items;
+ }
- return AudioTrackMenuItem;
-}(MenuItem);
+ var cues = this.track_.cues;
-Component.registerComponent('AudioTrackMenuItem', AudioTrackMenuItem);
+ if (!cues) {
+ return items;
+ }
-/**
- * @file audio-track-button.js
- */
-/**
- * The base class for buttons that toggle specific {@link AudioTrack} types.
- *
- * @extends TrackButton
- */
+ for (var i = 0, l = cues.length; i < l; i++) {
+ var cue = cues[i];
+ var mi = new ChaptersTrackMenuItem(this.player_, {
+ track: this.track_,
+ cue: cue
+ });
+ items.push(mi);
+ }
-var AudioTrackButton = function (_TrackButton) {
- inherits(AudioTrackButton, _TrackButton);
+ return items;
+ };
+ return ChaptersButton;
+ }(TextTrackButton);
/**
- * Creates an instance of this class.
+ * `kind` of TextTrack to look for to associate it with this menu.
*
- * @param {Player} player
- * The `Player` that this class should be attached to.
- *
- * @param {Object} [options={}]
- * The key/value store of player options.
+ * @type {string}
+ * @private
*/
- function AudioTrackButton(player) {
- var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
- classCallCheck(this, AudioTrackButton);
- options.tracks = player.audioTracks();
-
- return possibleConstructorReturn(this, _TrackButton.call(this, player, options));
- }
+ ChaptersButton.prototype.kind_ = 'chapters';
/**
- * Builds the default DOM `className`.
+ * The text that should display over the `ChaptersButton`s controls. Added for localization.
*
- * @return {string}
- * The DOM `className` for this object.
+ * @type {string}
+ * @private
*/
-
- AudioTrackButton.prototype.buildCSSClass = function buildCSSClass() {
- return 'vjs-audio-button ' + _TrackButton.prototype.buildCSSClass.call(this);
- };
-
- AudioTrackButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
- return 'vjs-audio-button ' + _TrackButton.prototype.buildWrapperCSSClass.call(this);
- };
+ ChaptersButton.prototype.controlText_ = 'Chapters';
+ Component.registerComponent('ChaptersButton', ChaptersButton);
/**
- * Create a menu item for each audio track
+ * The button component for toggling and selecting descriptions
*
- * @param {AudioTrackMenuItem[]} [items=[]]
- * An array of existing menu items to use.
- *
- * @return {AudioTrackMenuItem[]}
- * An array of menu items
+ * @extends TextTrackButton
*/
+ var DescriptionsButton = /*#__PURE__*/function (_TextTrackButton) {
+ inheritsLoose(DescriptionsButton, _TextTrackButton);
- AudioTrackButton.prototype.createItems = function createItems() {
- var items = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
-
- // if there's only one audio track, there no point in showing it
- this.hideThreshold_ = 1;
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ *
+ * @param {Component~ReadyCallback} [ready]
+ * The function to call when this component is ready.
+ */
+ function DescriptionsButton(player, options, ready) {
+ var _this;
- var tracks = this.player_.audioTracks();
+ _this = _TextTrackButton.call(this, player, options, ready) || this;
+ var tracks = player.textTracks();
+ var changeHandler = bind(assertThisInitialized(_this), _this.handleTracksChange);
+ tracks.addEventListener('change', changeHandler);
- for (var i = 0; i < tracks.length; i++) {
- var track = tracks[i];
+ _this.on('dispose', function () {
+ tracks.removeEventListener('change', changeHandler);
+ });
- items.push(new AudioTrackMenuItem(this.player_, {
- track: track,
- // MenuItem is selectable
- selectable: true
- }));
+ return _this;
}
+ /**
+ * Handle text track change
+ *
+ * @param {EventTarget~Event} event
+ * The event that caused this function to run
+ *
+ * @listens TextTrackList#change
+ */
- return items;
- };
- return AudioTrackButton;
-}(TrackButton);
+ var _proto = DescriptionsButton.prototype;
-/**
- * The text that should display over the `AudioTrackButton`s controls. Added for localization.
- *
- * @type {string}
- * @private
- */
+ _proto.handleTracksChange = function handleTracksChange(event) {
+ var tracks = this.player().textTracks();
+ var disabled = false; // Check whether a track of a different kind is showing
+ for (var i = 0, l = tracks.length; i < l; i++) {
+ var track = tracks[i];
-AudioTrackButton.prototype.controlText_ = 'Audio Track';
-Component.registerComponent('AudioTrackButton', AudioTrackButton);
+ if (track.kind !== this.kind_ && track.mode === 'showing') {
+ disabled = true;
+ break;
+ }
+ } // If another track is showing, disable this menu button
-/**
- * @file playback-rate-menu-item.js
- */
-/**
- * The specific menu item type for selecting a playback rate.
- *
- * @extends MenuItem
- */
-var PlaybackRateMenuItem = function (_MenuItem) {
- inherits(PlaybackRateMenuItem, _MenuItem);
+ if (disabled) {
+ this.disable();
+ } else {
+ this.enable();
+ }
+ }
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+ ;
+
+ _proto.buildCSSClass = function buildCSSClass() {
+ return "vjs-descriptions-button " + _TextTrackButton.prototype.buildCSSClass.call(this);
+ };
+
+ _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {
+ return "vjs-descriptions-button " + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
+ };
+ return DescriptionsButton;
+ }(TextTrackButton);
/**
- * Creates an instance of this class.
+ * `kind` of TextTrack to look for to associate it with this menu.
*
- * @param {Player} player
- * The `Player` that this class should be attached to.
- *
- * @param {Object} [options]
- * The key/value store of player options.
+ * @type {string}
+ * @private
*/
- function PlaybackRateMenuItem(player, options) {
- classCallCheck(this, PlaybackRateMenuItem);
- var label = options.rate;
- var rate = parseFloat(label, 10);
-
- // Modify options for parent MenuItem class's init.
- options.label = label;
- options.selected = rate === 1;
- options.selectable = true;
-
- var _this = possibleConstructorReturn(this, _MenuItem.call(this, player, options));
-
- _this.label = label;
- _this.rate = rate;
-
- _this.on(player, 'ratechange', _this.update);
- return _this;
- }
+ DescriptionsButton.prototype.kind_ = 'descriptions';
/**
- * This gets called when an `PlaybackRateMenuItem` is "clicked". See
- * {@link ClickableComponent} for more detailed information on what a click can be.
- *
- * @param {EventTarget~Event} [event]
- * The `keydown`, `tap`, or `click` event that caused this function to be
- * called.
+ * The text that should display over the `DescriptionsButton`s controls. Added for localization.
*
- * @listens tap
- * @listens click
+ * @type {string}
+ * @private
*/
-
- PlaybackRateMenuItem.prototype.handleClick = function handleClick(event) {
- _MenuItem.prototype.handleClick.call(this);
- this.player().playbackRate(this.rate);
- };
+ DescriptionsButton.prototype.controlText_ = 'Descriptions';
+ Component.registerComponent('DescriptionsButton', DescriptionsButton);
/**
- * Update the PlaybackRateMenuItem when the playbackrate changes.
- *
- * @param {EventTarget~Event} [event]
- * The `ratechange` event that caused this function to run.
+ * The button component for toggling and selecting subtitles
*
- * @listens Player#ratechange
+ * @extends TextTrackButton
*/
+ var SubtitlesButton = /*#__PURE__*/function (_TextTrackButton) {
+ inheritsLoose(SubtitlesButton, _TextTrackButton);
- PlaybackRateMenuItem.prototype.update = function update(event) {
- this.selected(this.player().playbackRate() === this.rate);
- };
-
- return PlaybackRateMenuItem;
-}(MenuItem);
-
-/**
- * The text that should display over the `PlaybackRateMenuItem`s controls. Added for localization.
- *
- * @type {string}
- * @private
- */
-
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ *
+ * @param {Component~ReadyCallback} [ready]
+ * The function to call when this component is ready.
+ */
+ function SubtitlesButton(player, options, ready) {
+ return _TextTrackButton.call(this, player, options, ready) || this;
+ }
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
-PlaybackRateMenuItem.prototype.contentElType = 'button';
-Component.registerComponent('PlaybackRateMenuItem', PlaybackRateMenuItem);
+ var _proto = SubtitlesButton.prototype;
-/**
- * @file playback-rate-menu-button.js
- */
-/**
- * The component for controlling the playback rate.
- *
- * @extends MenuButton
- */
+ _proto.buildCSSClass = function buildCSSClass() {
+ return "vjs-subtitles-button " + _TextTrackButton.prototype.buildCSSClass.call(this);
+ };
-var PlaybackRateMenuButton = function (_MenuButton) {
- inherits(PlaybackRateMenuButton, _MenuButton);
+ _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {
+ return "vjs-subtitles-button " + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
+ };
+ return SubtitlesButton;
+ }(TextTrackButton);
/**
- * Creates an instance of this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
+ * `kind` of TextTrack to look for to associate it with this menu.
*
- * @param {Object} [options]
- * The key/value store of player options.
+ * @type {string}
+ * @private
*/
- function PlaybackRateMenuButton(player, options) {
- classCallCheck(this, PlaybackRateMenuButton);
-
- var _this = possibleConstructorReturn(this, _MenuButton.call(this, player, options));
- _this.updateVisibility();
- _this.updateLabel();
-
- _this.on(player, 'loadstart', _this.updateVisibility);
- _this.on(player, 'ratechange', _this.updateLabel);
- return _this;
- }
+ SubtitlesButton.prototype.kind_ = 'subtitles';
/**
- * Create the `Component`'s DOM element
+ * The text that should display over the `SubtitlesButton`s controls. Added for localization.
*
- * @return {Element}
- * The element that was created.
+ * @type {string}
+ * @private
*/
-
- PlaybackRateMenuButton.prototype.createEl = function createEl$$1() {
- var el = _MenuButton.prototype.createEl.call(this);
-
- this.labelEl_ = createEl('div', {
- className: 'vjs-playback-rate-value',
- innerHTML: '1x'
- });
-
- el.appendChild(this.labelEl_);
-
- return el;
- };
-
- PlaybackRateMenuButton.prototype.dispose = function dispose() {
- this.labelEl_ = null;
-
- _MenuButton.prototype.dispose.call(this);
- };
+ SubtitlesButton.prototype.controlText_ = 'Subtitles';
+ Component.registerComponent('SubtitlesButton', SubtitlesButton);
/**
- * Builds the default DOM `className`.
+ * The menu item for caption track settings menu
*
- * @return {string}
- * The DOM `className` for this object.
+ * @extends TextTrackMenuItem
*/
+ var CaptionSettingsMenuItem = /*#__PURE__*/function (_TextTrackMenuItem) {
+ inheritsLoose(CaptionSettingsMenuItem, _TextTrackMenuItem);
- PlaybackRateMenuButton.prototype.buildCSSClass = function buildCSSClass() {
- return 'vjs-playback-rate ' + _MenuButton.prototype.buildCSSClass.call(this);
- };
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function CaptionSettingsMenuItem(player, options) {
+ var _this;
- PlaybackRateMenuButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
- return 'vjs-playback-rate ' + _MenuButton.prototype.buildWrapperCSSClass.call(this);
- };
+ options.track = {
+ player: player,
+ kind: options.kind,
+ label: options.kind + ' settings',
+ selectable: false,
+ "default": false,
+ mode: 'disabled'
+ }; // CaptionSettingsMenuItem has no concept of 'selected'
- /**
- * Create the playback rate menu
- *
- * @return {Menu}
- * Menu object populated with {@link PlaybackRateMenuItem}s
- */
+ options.selectable = false;
+ options.name = 'CaptionSettingsMenuItem';
+ _this = _TextTrackMenuItem.call(this, player, options) || this;
+ _this.addClass('vjs-texttrack-settings');
- PlaybackRateMenuButton.prototype.createMenu = function createMenu() {
- var menu = new Menu(this.player());
- var rates = this.playbackRates();
+ _this.controlText(', opens ' + options.kind + ' settings dialog');
- if (rates) {
- for (var i = rates.length - 1; i >= 0; i--) {
- menu.addChild(new PlaybackRateMenuItem(this.player(), { rate: rates[i] + 'x' }));
- }
+ return _this;
}
+ /**
+ * This gets called when an `CaptionSettingsMenuItem` is "clicked". See
+ * {@link ClickableComponent} for more detailed information on what a click can be.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
- return menu;
- };
- /**
- * Updates ARIA accessibility attributes
- */
+ var _proto = CaptionSettingsMenuItem.prototype;
+
+ _proto.handleClick = function handleClick(event) {
+ this.player().getChild('textTrackSettings').open();
+ };
+ return CaptionSettingsMenuItem;
+ }(TextTrackMenuItem);
- PlaybackRateMenuButton.prototype.updateARIAAttributes = function updateARIAAttributes() {
- // Current playback rate
- this.el().setAttribute('aria-valuenow', this.player().playbackRate());
- };
+ Component.registerComponent('CaptionSettingsMenuItem', CaptionSettingsMenuItem);
/**
- * This gets called when an `PlaybackRateMenuButton` is "clicked". See
- * {@link ClickableComponent} for more detailed information on what a click can be.
+ * The button component for toggling and selecting captions
*
- * @param {EventTarget~Event} [event]
- * The `keydown`, `tap`, or `click` event that caused this function to be
- * called.
- *
- * @listens tap
- * @listens click
+ * @extends TextTrackButton
*/
+ var CaptionsButton = /*#__PURE__*/function (_TextTrackButton) {
+ inheritsLoose(CaptionsButton, _TextTrackButton);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ *
+ * @param {Component~ReadyCallback} [ready]
+ * The function to call when this component is ready.
+ */
+ function CaptionsButton(player, options, ready) {
+ return _TextTrackButton.call(this, player, options, ready) || this;
+ }
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
- PlaybackRateMenuButton.prototype.handleClick = function handleClick(event) {
- // select next rate option
- var currentRate = this.player().playbackRate();
- var rates = this.playbackRates();
- // this will select first one if the last one currently selected
- var newRate = rates[0];
+ var _proto = CaptionsButton.prototype;
- for (var i = 0; i < rates.length; i++) {
- if (rates[i] > currentRate) {
- newRate = rates[i];
- break;
- }
+ _proto.buildCSSClass = function buildCSSClass() {
+ return "vjs-captions-button " + _TextTrackButton.prototype.buildCSSClass.call(this);
+ };
+
+ _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {
+ return "vjs-captions-button " + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
}
- this.player().playbackRate(newRate);
- };
+ /**
+ * Create caption menu items
+ *
+ * @return {CaptionSettingsMenuItem[]}
+ * The array of current menu items.
+ */
+ ;
- /**
- * Get possible playback rates
- *
- * @return {Array}
- * All possible playback rates
- */
+ _proto.createItems = function createItems() {
+ var items = [];
+ if (!(this.player().tech_ && this.player().tech_.featuresNativeTextTracks) && this.player().getChild('textTrackSettings')) {
+ items.push(new CaptionSettingsMenuItem(this.player_, {
+ kind: this.kind_
+ }));
+ this.hideThreshold_ += 1;
+ }
- PlaybackRateMenuButton.prototype.playbackRates = function playbackRates() {
- return this.options_.playbackRates || this.options_.playerOptions && this.options_.playerOptions.playbackRates;
- };
+ return _TextTrackButton.prototype.createItems.call(this, items);
+ };
+ return CaptionsButton;
+ }(TextTrackButton);
/**
- * Get whether playback rates is supported by the tech
- * and an array of playback rates exists
+ * `kind` of TextTrack to look for to associate it with this menu.
*
- * @return {boolean}
- * Whether changing playback rate is supported
+ * @type {string}
+ * @private
*/
- PlaybackRateMenuButton.prototype.playbackRateSupported = function playbackRateSupported() {
- return this.player().tech_ && this.player().tech_.featuresPlaybackRate && this.playbackRates() && this.playbackRates().length > 0;
- };
-
+ CaptionsButton.prototype.kind_ = 'captions';
/**
- * Hide playback rate controls when they're no playback rate options to select
- *
- * @param {EventTarget~Event} [event]
- * The event that caused this function to run.
+ * The text that should display over the `CaptionsButton`s controls. Added for localization.
*
- * @listens Player#loadstart
+ * @type {string}
+ * @private
*/
-
- PlaybackRateMenuButton.prototype.updateVisibility = function updateVisibility(event) {
- if (this.playbackRateSupported()) {
- this.removeClass('vjs-hidden');
- } else {
- this.addClass('vjs-hidden');
- }
- };
+ CaptionsButton.prototype.controlText_ = 'Captions';
+ Component.registerComponent('CaptionsButton', CaptionsButton);
/**
- * Update button label when rate changed
- *
- * @param {EventTarget~Event} [event]
- * The event that caused this function to run.
+ * SubsCapsMenuItem has an [cc] icon to distinguish captions from subtitles
+ * in the SubsCapsMenu.
*
- * @listens Player#ratechange
+ * @extends TextTrackMenuItem
*/
+ var SubsCapsMenuItem = /*#__PURE__*/function (_TextTrackMenuItem) {
+ inheritsLoose(SubsCapsMenuItem, _TextTrackMenuItem);
- PlaybackRateMenuButton.prototype.updateLabel = function updateLabel(event) {
- if (this.playbackRateSupported()) {
- this.labelEl_.innerHTML = this.player().playbackRate() + 'x';
+ function SubsCapsMenuItem() {
+ return _TextTrackMenuItem.apply(this, arguments) || this;
}
- };
-
- return PlaybackRateMenuButton;
-}(MenuButton);
-/**
- * The text that should display over the `FullscreenToggle`s controls. Added for localization.
- *
- * @type {string}
- * @private
- */
+ var _proto = SubsCapsMenuItem.prototype;
+ _proto.createEl = function createEl(type, props, attrs) {
+ var innerHTML = "<span class=\"vjs-menu-item-text\">" + this.localize(this.options_.label);
-PlaybackRateMenuButton.prototype.controlText_ = 'Playback Rate';
+ if (this.options_.track.kind === 'captions') {
+ innerHTML += "\n <span aria-hidden=\"true\" class=\"vjs-icon-placeholder\"></span>\n <span class=\"vjs-control-text\"> " + this.localize('Captions') + "</span>\n ";
+ }
-Component.registerComponent('PlaybackRateMenuButton', PlaybackRateMenuButton);
+ innerHTML += '</span>';
-/**
- * @file spacer.js
- */
-/**
- * Just an empty spacer element that can be used as an append point for plugins, etc.
- * Also can be used to create space between elements when necessary.
- *
- * @extends Component
- */
+ var el = _TextTrackMenuItem.prototype.createEl.call(this, type, assign({
+ innerHTML: innerHTML
+ }, props), attrs);
-var Spacer = function (_Component) {
- inherits(Spacer, _Component);
+ return el;
+ };
- function Spacer() {
- classCallCheck(this, Spacer);
- return possibleConstructorReturn(this, _Component.apply(this, arguments));
- }
+ return SubsCapsMenuItem;
+ }(TextTrackMenuItem);
- /**
- * Builds the default DOM `className`.
- *
- * @return {string}
- * The DOM `className` for this object.
- */
- Spacer.prototype.buildCSSClass = function buildCSSClass() {
- return 'vjs-spacer ' + _Component.prototype.buildCSSClass.call(this);
- };
+ Component.registerComponent('SubsCapsMenuItem', SubsCapsMenuItem);
/**
- * Create the `Component`'s DOM element
+ * The button component for toggling and selecting captions and/or subtitles
*
- * @return {Element}
- * The element that was created.
+ * @extends TextTrackButton
*/
+ var SubsCapsButton = /*#__PURE__*/function (_TextTrackButton) {
+ inheritsLoose(SubsCapsButton, _TextTrackButton);
- Spacer.prototype.createEl = function createEl() {
- return _Component.prototype.createEl.call(this, 'div', {
- className: this.buildCSSClass()
- });
- };
-
- return Spacer;
-}(Component);
-
-Component.registerComponent('Spacer', Spacer);
+ function SubsCapsButton(player, options) {
+ var _this;
-/**
- * @file custom-control-spacer.js
- */
-/**
- * Spacer specifically meant to be used as an insertion point for new plugins, etc.
- *
- * @extends Spacer
- */
+ if (options === void 0) {
+ options = {};
+ }
-var CustomControlSpacer = function (_Spacer) {
- inherits(CustomControlSpacer, _Spacer);
+ _this = _TextTrackButton.call(this, player, options) || this; // Although North America uses "captions" in most cases for
+ // "captions and subtitles" other locales use "subtitles"
- function CustomControlSpacer() {
- classCallCheck(this, CustomControlSpacer);
- return possibleConstructorReturn(this, _Spacer.apply(this, arguments));
- }
+ _this.label_ = 'subtitles';
- /**
- * Builds the default DOM `className`.
- *
- * @return {string}
- * The DOM `className` for this object.
- */
- CustomControlSpacer.prototype.buildCSSClass = function buildCSSClass() {
- return 'vjs-custom-control-spacer ' + _Spacer.prototype.buildCSSClass.call(this);
- };
+ if (['en', 'en-us', 'en-ca', 'fr-ca'].indexOf(_this.player_.language_) > -1) {
+ _this.label_ = 'captions';
+ }
- /**
- * Create the `Component`'s DOM element
- *
- * @return {Element}
- * The element that was created.
- */
+ _this.menuButton_.controlText(toTitleCase(_this.label_));
+ return _this;
+ }
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
- CustomControlSpacer.prototype.createEl = function createEl() {
- var el = _Spacer.prototype.createEl.call(this, {
- className: this.buildCSSClass()
- });
- // No-flex/table-cell mode requires there be some content
- // in the cell to fill the remaining space of the table.
- el.innerHTML = '\xA0';
- return el;
- };
+ var _proto = SubsCapsButton.prototype;
- return CustomControlSpacer;
-}(Spacer);
+ _proto.buildCSSClass = function buildCSSClass() {
+ return "vjs-subs-caps-button " + _TextTrackButton.prototype.buildCSSClass.call(this);
+ };
-Component.registerComponent('CustomControlSpacer', CustomControlSpacer);
+ _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {
+ return "vjs-subs-caps-button " + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
+ }
+ /**
+ * Create caption/subtitles menu items
+ *
+ * @return {CaptionSettingsMenuItem[]}
+ * The array of current menu items.
+ */
+ ;
-/**
- * @file control-bar.js
- */
-// Required children
-/**
- * Container of main controls.
- *
- * @extends Component
- */
+ _proto.createItems = function createItems() {
+ var items = [];
-var ControlBar = function (_Component) {
- inherits(ControlBar, _Component);
+ if (!(this.player().tech_ && this.player().tech_.featuresNativeTextTracks) && this.player().getChild('textTrackSettings')) {
+ items.push(new CaptionSettingsMenuItem(this.player_, {
+ kind: this.label_
+ }));
+ this.hideThreshold_ += 1;
+ }
- function ControlBar() {
- classCallCheck(this, ControlBar);
- return possibleConstructorReturn(this, _Component.apply(this, arguments));
- }
+ items = _TextTrackButton.prototype.createItems.call(this, items, SubsCapsMenuItem);
+ return items;
+ };
+ return SubsCapsButton;
+ }(TextTrackButton);
/**
- * Create the `Component`'s DOM element
+ * `kind`s of TextTrack to look for to associate it with this menu.
*
- * @return {Element}
- * The element that was created.
+ * @type {array}
+ * @private
*/
- ControlBar.prototype.createEl = function createEl() {
- return _Component.prototype.createEl.call(this, 'div', {
- className: 'vjs-control-bar',
- dir: 'ltr'
- }, {
- // The control bar is a group, but we don't aria-label it to avoid
- // over-announcing by JAWS
- role: 'group'
- });
- };
- return ControlBar;
-}(Component);
-
-/**
- * Default options for `ControlBar`
- *
- * @type {Object}
- * @private
- */
-
-
-ControlBar.prototype.options_ = {
- children: ['playToggle', 'volumePanel', 'currentTimeDisplay', 'timeDivider', 'durationDisplay', 'progressControl', 'liveDisplay', 'remainingTimeDisplay', 'customControlSpacer', 'playbackRateMenuButton', 'chaptersButton', 'descriptionsButton', 'subsCapsButton', 'audioTrackButton', 'fullscreenToggle']
-};
-
-Component.registerComponent('ControlBar', ControlBar);
-
-/**
- * @file error-display.js
- */
-/**
- * A display that indicates an error has occurred. This means that the video
- * is unplayable.
- *
- * @extends ModalDialog
- */
-
-var ErrorDisplay = function (_ModalDialog) {
- inherits(ErrorDisplay, _ModalDialog);
+ SubsCapsButton.prototype.kinds_ = ['captions', 'subtitles'];
/**
- * Creates an instance of this class.
+ * The text that should display over the `SubsCapsButton`s controls.
*
- * @param {Player} player
- * The `Player` that this class should be attached to.
*
- * @param {Object} [options]
- * The key/value store of player options.
+ * @type {string}
+ * @private
*/
- function ErrorDisplay(player, options) {
- classCallCheck(this, ErrorDisplay);
-
- var _this = possibleConstructorReturn(this, _ModalDialog.call(this, player, options));
- _this.on(player, 'error', _this.open);
- return _this;
- }
+ SubsCapsButton.prototype.controlText_ = 'Subtitles';
+ Component.registerComponent('SubsCapsButton', SubsCapsButton);
/**
- * Builds the default DOM `className`.
- *
- * @return {string}
- * The DOM `className` for this object.
+ * An {@link AudioTrack} {@link MenuItem}
*
- * @deprecated Since version 5.
+ * @extends MenuItem
*/
+ var AudioTrackMenuItem = /*#__PURE__*/function (_MenuItem) {
+ inheritsLoose(AudioTrackMenuItem, _MenuItem);
- ErrorDisplay.prototype.buildCSSClass = function buildCSSClass() {
- return 'vjs-error-display ' + _ModalDialog.prototype.buildCSSClass.call(this);
- };
-
- /**
- * Gets the localized error message based on the `Player`s error.
- *
- * @return {string}
- * The `Player`s error message localized or an empty string.
- */
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function AudioTrackMenuItem(player, options) {
+ var _this;
+ var track = options.track;
+ var tracks = player.audioTracks(); // Modify options for parent MenuItem class's init.
- ErrorDisplay.prototype.content = function content() {
- var error = this.player().error();
+ options.label = track.label || track.language || 'Unknown';
+ options.selected = track.enabled;
+ _this = _MenuItem.call(this, player, options) || this;
+ _this.track = track;
- return error ? this.localize(error.message) : '';
- };
+ _this.addClass("vjs-" + track.kind + "-menu-item");
- return ErrorDisplay;
-}(ModalDialog);
+ var changeHandler = function changeHandler() {
+ for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
+ args[_key] = arguments[_key];
+ }
-/**
- * The default options for an `ErrorDisplay`.
- *
- * @private
- */
+ _this.handleTracksChange.apply(assertThisInitialized(_this), args);
+ };
+ tracks.addEventListener('change', changeHandler);
-ErrorDisplay.prototype.options_ = mergeOptions(ModalDialog.prototype.options_, {
- pauseOnOpen: false,
- fillAlways: true,
- temporary: false,
- uncloseable: true
-});
+ _this.on('dispose', function () {
+ tracks.removeEventListener('change', changeHandler);
+ });
-Component.registerComponent('ErrorDisplay', ErrorDisplay);
+ return _this;
+ }
-/**
- * @file text-track-settings.js
- */
-var LOCAL_STORAGE_KEY = 'vjs-text-track-settings';
-
-var COLOR_BLACK = ['#000', 'Black'];
-var COLOR_BLUE = ['#00F', 'Blue'];
-var COLOR_CYAN = ['#0FF', 'Cyan'];
-var COLOR_GREEN = ['#0F0', 'Green'];
-var COLOR_MAGENTA = ['#F0F', 'Magenta'];
-var COLOR_RED = ['#F00', 'Red'];
-var COLOR_WHITE = ['#FFF', 'White'];
-var COLOR_YELLOW = ['#FF0', 'Yellow'];
-
-var OPACITY_OPAQUE = ['1', 'Opaque'];
-var OPACITY_SEMI = ['0.5', 'Semi-Transparent'];
-var OPACITY_TRANS = ['0', 'Transparent'];
-
-// Configuration for the various <select> elements in the DOM of this component.
-//
-// Possible keys include:
-//
-// `default`:
-// The default option index. Only needs to be provided if not zero.
-// `parser`:
-// A function which is used to parse the value from the selected option in
-// a customized way.
-// `selector`:
-// The selector used to find the associated <select> element.
-var selectConfigs = {
- backgroundColor: {
- selector: '.vjs-bg-color > select',
- id: 'captions-background-color-%s',
- label: 'Color',
- options: [COLOR_BLACK, COLOR_WHITE, COLOR_RED, COLOR_GREEN, COLOR_BLUE, COLOR_YELLOW, COLOR_MAGENTA, COLOR_CYAN]
- },
+ var _proto = AudioTrackMenuItem.prototype;
- backgroundOpacity: {
- selector: '.vjs-bg-opacity > select',
- id: 'captions-background-opacity-%s',
- label: 'Transparency',
- options: [OPACITY_OPAQUE, OPACITY_SEMI, OPACITY_TRANS]
- },
+ _proto.createEl = function createEl(type, props, attrs) {
+ var innerHTML = "<span class=\"vjs-menu-item-text\">" + this.localize(this.options_.label);
- color: {
- selector: '.vjs-fg-color > select',
- id: 'captions-foreground-color-%s',
- label: 'Color',
- options: [COLOR_WHITE, COLOR_BLACK, COLOR_RED, COLOR_GREEN, COLOR_BLUE, COLOR_YELLOW, COLOR_MAGENTA, COLOR_CYAN]
- },
+ if (this.options_.track.kind === 'main-desc') {
+ innerHTML += "\n <span aria-hidden=\"true\" class=\"vjs-icon-placeholder\"></span>\n <span class=\"vjs-control-text\"> " + this.localize('Descriptions') + "</span>\n ";
+ }
- edgeStyle: {
- selector: '.vjs-edge-style > select',
- id: '%s',
- label: 'Text Edge Style',
- options: [['none', 'None'], ['raised', 'Raised'], ['depressed', 'Depressed'], ['uniform', 'Uniform'], ['dropshadow', 'Dropshadow']]
- },
+ innerHTML += '</span>';
- fontFamily: {
- selector: '.vjs-font-family > select',
- id: 'captions-font-family-%s',
- label: 'Font Family',
- options: [['proportionalSansSerif', 'Proportional Sans-Serif'], ['monospaceSansSerif', 'Monospace Sans-Serif'], ['proportionalSerif', 'Proportional Serif'], ['monospaceSerif', 'Monospace Serif'], ['casual', 'Casual'], ['script', 'Script'], ['small-caps', 'Small Caps']]
- },
+ var el = _MenuItem.prototype.createEl.call(this, type, assign({
+ innerHTML: innerHTML
+ }, props), attrs);
- fontPercent: {
- selector: '.vjs-font-percent > select',
- id: 'captions-font-size-%s',
- label: 'Font Size',
- options: [['0.50', '50%'], ['0.75', '75%'], ['1.00', '100%'], ['1.25', '125%'], ['1.50', '150%'], ['1.75', '175%'], ['2.00', '200%'], ['3.00', '300%'], ['4.00', '400%']],
- 'default': 2,
- parser: function parser(v) {
- return v === '1.00' ? null : Number(v);
+ return el;
}
- },
-
- textOpacity: {
- selector: '.vjs-text-opacity > select',
- id: 'captions-foreground-opacity-%s',
- label: 'Transparency',
- options: [OPACITY_OPAQUE, OPACITY_SEMI]
- },
-
- // Options for this object are defined below.
- windowColor: {
- selector: '.vjs-window-color > select',
- id: 'captions-window-color-%s',
- label: 'Color'
- },
-
- // Options for this object are defined below.
- windowOpacity: {
- selector: '.vjs-window-opacity > select',
- id: 'captions-window-opacity-%s',
- label: 'Transparency',
- options: [OPACITY_TRANS, OPACITY_SEMI, OPACITY_OPAQUE]
- }
-};
-
-selectConfigs.windowColor.options = selectConfigs.backgroundColor.options;
-
-/**
- * Get the actual value of an option.
- *
- * @param {string} value
- * The value to get
- *
- * @param {Function} [parser]
- * Optional function to adjust the value.
- *
- * @return {Mixed}
- * - Will be `undefined` if no value exists
- * - Will be `undefined` if the given value is "none".
- * - Will be the actual value otherwise.
- *
- * @private
- */
-function parseOptionValue(value, parser) {
- if (parser) {
- value = parser(value);
- }
-
- if (value && value !== 'none') {
- return value;
- }
-}
-
-/**
- * Gets the value of the selected <option> element within a <select> element.
- *
- * @param {Element} el
- * the element to look in
- *
- * @param {Function} [parser]
- * Optional function to adjust the value.
- *
- * @return {Mixed}
- * - Will be `undefined` if no value exists
- * - Will be `undefined` if the given value is "none".
- * - Will be the actual value otherwise.
- *
- * @private
- */
-function getSelectedOptionValue(el, parser) {
- var value = el.options[el.options.selectedIndex].value;
+ /**
+ * This gets called when an `AudioTrackMenuItem is "clicked". See {@link ClickableComponent}
+ * for more detailed information on what a click can be.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
+ ;
- return parseOptionValue(value, parser);
-}
+ _proto.handleClick = function handleClick(event) {
+ var tracks = this.player_.audioTracks();
-/**
- * Sets the selected <option> element within a <select> element based on a
- * given value.
- *
- * @param {Element} el
- * The element to look in.
- *
- * @param {string} value
- * the property to look on.
- *
- * @param {Function} [parser]
- * Optional function to adjust the value before comparing.
- *
- * @private
- */
-function setSelectedOption(el, value, parser) {
- if (!value) {
- return;
- }
+ _MenuItem.prototype.handleClick.call(this, event);
- for (var i = 0; i < el.options.length; i++) {
- if (parseOptionValue(el.options[i].value, parser) === value) {
- el.selectedIndex = i;
- break;
+ for (var i = 0; i < tracks.length; i++) {
+ var track = tracks[i];
+ track.enabled = track === this.track;
+ }
}
- }
-}
+ /**
+ * Handle any {@link AudioTrack} change.
+ *
+ * @param {EventTarget~Event} [event]
+ * The {@link AudioTrackList#change} event that caused this to run.
+ *
+ * @listens AudioTrackList#change
+ */
+ ;
-/**
- * Manipulate Text Tracks settings.
- *
- * @extends ModalDialog
- */
+ _proto.handleTracksChange = function handleTracksChange(event) {
+ this.selected(this.track.enabled);
+ };
+
+ return AudioTrackMenuItem;
+ }(MenuItem);
-var TextTrackSettings = function (_ModalDialog) {
- inherits(TextTrackSettings, _ModalDialog);
+ Component.registerComponent('AudioTrackMenuItem', AudioTrackMenuItem);
/**
- * Creates an instance of this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
+ * The base class for buttons that toggle specific {@link AudioTrack} types.
*
- * @param {Object} [options]
- * The key/value store of player options.
+ * @extends TrackButton
*/
- function TextTrackSettings(player, options) {
- classCallCheck(this, TextTrackSettings);
- options.temporary = false;
+ var AudioTrackButton = /*#__PURE__*/function (_TrackButton) {
+ inheritsLoose(AudioTrackButton, _TrackButton);
- var _this = possibleConstructorReturn(this, _ModalDialog.call(this, player, options));
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options={}]
+ * The key/value store of player options.
+ */
+ function AudioTrackButton(player, options) {
+ if (options === void 0) {
+ options = {};
+ }
- _this.updateDisplay = bind(_this, _this.updateDisplay);
+ options.tracks = player.audioTracks();
+ return _TrackButton.call(this, player, options) || this;
+ }
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
- // fill the modal and pretend we have opened it
- _this.fill();
- _this.hasBeenOpened_ = _this.hasBeenFilled_ = true;
- _this.endDialog = createEl('p', {
- className: 'vjs-control-text',
- textContent: _this.localize('End of dialog window.')
- });
- _this.el().appendChild(_this.endDialog);
+ var _proto = AudioTrackButton.prototype;
- _this.setDefaults();
+ _proto.buildCSSClass = function buildCSSClass() {
+ return "vjs-audio-button " + _TrackButton.prototype.buildCSSClass.call(this);
+ };
- // Grab `persistTextTrackSettings` from the player options if not passed in child options
- if (options.persistTextTrackSettings === undefined) {
- _this.options_.persistTextTrackSettings = _this.options_.playerOptions.persistTextTrackSettings;
+ _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {
+ return "vjs-audio-button " + _TrackButton.prototype.buildWrapperCSSClass.call(this);
}
+ /**
+ * Create a menu item for each audio track
+ *
+ * @param {AudioTrackMenuItem[]} [items=[]]
+ * An array of existing menu items to use.
+ *
+ * @return {AudioTrackMenuItem[]}
+ * An array of menu items
+ */
+ ;
- _this.on(_this.$('.vjs-done-button'), 'click', function () {
- _this.saveSettings();
- _this.close();
- });
-
- _this.on(_this.$('.vjs-default-button'), 'click', function () {
- _this.setDefaults();
- _this.updateDisplay();
- });
-
- each(selectConfigs, function (config) {
- _this.on(_this.$(config.selector), 'change', _this.updateDisplay);
- });
+ _proto.createItems = function createItems(items) {
+ if (items === void 0) {
+ items = [];
+ }
- if (_this.options_.persistTextTrackSettings) {
- _this.restoreSettings();
- }
- return _this;
- }
+ // if there's only one audio track, there no point in showing it
+ this.hideThreshold_ = 1;
+ var tracks = this.player_.audioTracks();
- TextTrackSettings.prototype.dispose = function dispose() {
- this.endDialog = null;
+ for (var i = 0; i < tracks.length; i++) {
+ var track = tracks[i];
+ items.push(new AudioTrackMenuItem(this.player_, {
+ track: track,
+ // MenuItem is selectable
+ selectable: true,
+ // MenuItem is NOT multiSelectable (i.e. only one can be marked "selected" at a time)
+ multiSelectable: false
+ }));
+ }
- _ModalDialog.prototype.dispose.call(this);
- };
+ return items;
+ };
+ return AudioTrackButton;
+ }(TrackButton);
/**
- * Create a <select> element with configured options.
- *
- * @param {string} key
- * Configuration key to use during creation.
- *
- * @return {string}
- * An HTML string.
+ * The text that should display over the `AudioTrackButton`s controls. Added for localization.
*
+ * @type {string}
* @private
*/
- TextTrackSettings.prototype.createElSelect_ = function createElSelect_(key) {
- var _this2 = this;
-
- var legendId = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';
- var type = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 'label';
-
- var config = selectConfigs[key];
- var id = config.id.replace('%s', this.id_);
-
- return ['<' + type + ' id="' + id + '" class="' + (type === 'label' ? 'vjs-label' : '') + '">', this.localize(config.label), '</' + type + '>', '<select aria-labelledby="' + (legendId !== '' ? legendId + ' ' : '') + id + '">'].concat(config.options.map(function (o) {
- var optionId = id + '-' + o[1];
-
- return ['<option id="' + optionId + '" value="' + o[0] + '" ', 'aria-labelledby="' + (legendId !== '' ? legendId + ' ' : '') + id + ' ' + optionId + '">', _this2.localize(o[1]), '</option>'].join('');
- })).concat('</select>').join('');
- };
+ AudioTrackButton.prototype.controlText_ = 'Audio Track';
+ Component.registerComponent('AudioTrackButton', AudioTrackButton);
/**
- * Create foreground color element for the component
- *
- * @return {string}
- * An HTML string.
+ * The specific menu item type for selecting a playback rate.
*
- * @private
+ * @extends MenuItem
*/
+ var PlaybackRateMenuItem = /*#__PURE__*/function (_MenuItem) {
+ inheritsLoose(PlaybackRateMenuItem, _MenuItem);
- TextTrackSettings.prototype.createElFgColor_ = function createElFgColor_() {
- var legendId = 'captions-text-legend-' + this.id_;
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function PlaybackRateMenuItem(player, options) {
+ var _this;
- return ['<fieldset class="vjs-fg-color vjs-track-setting">', '<legend id="' + legendId + '">', this.localize('Text'), '</legend>', this.createElSelect_('color', legendId), '<span class="vjs-text-opacity vjs-opacity">', this.createElSelect_('textOpacity', legendId), '</span>', '</fieldset>'].join('');
- };
+ var label = options.rate;
+ var rate = parseFloat(label, 10); // Modify options for parent MenuItem class's init.
- /**
- * Create background color element for the component
- *
- * @return {string}
- * An HTML string.
- *
- * @private
- */
+ options.label = label;
+ options.selected = rate === 1;
+ options.selectable = true;
+ options.multiSelectable = false;
+ _this = _MenuItem.call(this, player, options) || this;
+ _this.label = label;
+ _this.rate = rate;
+ _this.on(player, 'ratechange', _this.update);
- TextTrackSettings.prototype.createElBgColor_ = function createElBgColor_() {
- var legendId = 'captions-background-' + this.id_;
+ return _this;
+ }
+ /**
+ * This gets called when an `PlaybackRateMenuItem` is "clicked". See
+ * {@link ClickableComponent} for more detailed information on what a click can be.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
- return ['<fieldset class="vjs-bg-color vjs-track-setting">', '<legend id="' + legendId + '">', this.localize('Background'), '</legend>', this.createElSelect_('backgroundColor', legendId), '<span class="vjs-bg-opacity vjs-opacity">', this.createElSelect_('backgroundOpacity', legendId), '</span>', '</fieldset>'].join('');
- };
- /**
- * Create window color element for the component
- *
- * @return {string}
- * An HTML string.
- *
- * @private
- */
+ var _proto = PlaybackRateMenuItem.prototype;
+ _proto.handleClick = function handleClick(event) {
+ _MenuItem.prototype.handleClick.call(this);
- TextTrackSettings.prototype.createElWinColor_ = function createElWinColor_() {
- var legendId = 'captions-window-' + this.id_;
+ this.player().playbackRate(this.rate);
+ }
+ /**
+ * Update the PlaybackRateMenuItem when the playbackrate changes.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `ratechange` event that caused this function to run.
+ *
+ * @listens Player#ratechange
+ */
+ ;
- return ['<fieldset class="vjs-window-color vjs-track-setting">', '<legend id="' + legendId + '">', this.localize('Window'), '</legend>', this.createElSelect_('windowColor', legendId), '<span class="vjs-window-opacity vjs-opacity">', this.createElSelect_('windowOpacity', legendId), '</span>', '</fieldset>'].join('');
- };
+ _proto.update = function update(event) {
+ this.selected(this.player().playbackRate() === this.rate);
+ };
+ return PlaybackRateMenuItem;
+ }(MenuItem);
/**
- * Create color elements for the component
- *
- * @return {Element}
- * The element that was created
+ * The text that should display over the `PlaybackRateMenuItem`s controls. Added for localization.
*
+ * @type {string}
* @private
*/
- TextTrackSettings.prototype.createElColors_ = function createElColors_() {
- return createEl('div', {
- className: 'vjs-track-settings-colors',
- innerHTML: [this.createElFgColor_(), this.createElBgColor_(), this.createElWinColor_()].join('')
- });
- };
+ PlaybackRateMenuItem.prototype.contentElType = 'button';
+ Component.registerComponent('PlaybackRateMenuItem', PlaybackRateMenuItem);
/**
- * Create font elements for the component
- *
- * @return {Element}
- * The element that was created.
+ * The component for controlling the playback rate.
*
- * @private
+ * @extends MenuButton
*/
+ var PlaybackRateMenuButton = /*#__PURE__*/function (_MenuButton) {
+ inheritsLoose(PlaybackRateMenuButton, _MenuButton);
- TextTrackSettings.prototype.createElFont_ = function createElFont_() {
- return createEl('div', {
- className: 'vjs-track-settings-font',
- innerHTML: ['<fieldset class="vjs-font-percent vjs-track-setting">', this.createElSelect_('fontPercent', '', 'legend'), '</fieldset>', '<fieldset class="vjs-edge-style vjs-track-setting">', this.createElSelect_('edgeStyle', '', 'legend'), '</fieldset>', '<fieldset class="vjs-font-family vjs-track-setting">', this.createElSelect_('fontFamily', '', 'legend'), '</fieldset>'].join('')
- });
- };
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function PlaybackRateMenuButton(player, options) {
+ var _this;
- /**
- * Create controls for the component
- *
- * @return {Element}
- * The element that was created.
- *
- * @private
- */
+ _this = _MenuButton.call(this, player, options) || this;
+ _this.updateVisibility();
- TextTrackSettings.prototype.createElControls_ = function createElControls_() {
- var defaultsDescription = this.localize('restore all settings to the default values');
+ _this.updateLabel();
- return createEl('div', {
- className: 'vjs-track-settings-controls',
- innerHTML: ['<button class="vjs-default-button" title="' + defaultsDescription + '">', this.localize('Reset'), '<span class="vjs-control-text"> ' + defaultsDescription + '</span>', '</button>', '<button class="vjs-done-button">' + this.localize('Done') + '</button>'].join('')
- });
- };
+ _this.on(player, 'loadstart', _this.updateVisibility);
- TextTrackSettings.prototype.content = function content() {
- return [this.createElColors_(), this.createElFont_(), this.createElControls_()];
- };
+ _this.on(player, 'ratechange', _this.updateLabel);
- TextTrackSettings.prototype.label = function label() {
- return this.localize('Caption Settings Dialog');
- };
+ return _this;
+ }
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
- TextTrackSettings.prototype.description = function description() {
- return this.localize('Beginning of dialog window. Escape will cancel and close the window.');
- };
- TextTrackSettings.prototype.buildCSSClass = function buildCSSClass() {
- return _ModalDialog.prototype.buildCSSClass.call(this) + ' vjs-text-track-settings';
- };
+ var _proto = PlaybackRateMenuButton.prototype;
- /**
- * Gets an object of text track settings (or null).
- *
- * @return {Object}
- * An object with config values parsed from the DOM or localStorage.
- */
+ _proto.createEl = function createEl$1() {
+ var el = _MenuButton.prototype.createEl.call(this);
+
+ this.labelEl_ = createEl('div', {
+ className: 'vjs-playback-rate-value',
+ innerHTML: '1x'
+ });
+ el.appendChild(this.labelEl_);
+ return el;
+ };
+
+ _proto.dispose = function dispose() {
+ this.labelEl_ = null;
+ _MenuButton.prototype.dispose.call(this);
+ }
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+ ;
- TextTrackSettings.prototype.getValues = function getValues() {
- var _this3 = this;
+ _proto.buildCSSClass = function buildCSSClass() {
+ return "vjs-playback-rate " + _MenuButton.prototype.buildCSSClass.call(this);
+ };
- return reduce(selectConfigs, function (accum, config, key) {
- var value = getSelectedOptionValue(_this3.$(config.selector), config.parser);
+ _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {
+ return "vjs-playback-rate " + _MenuButton.prototype.buildWrapperCSSClass.call(this);
+ }
+ /**
+ * Create the playback rate menu
+ *
+ * @return {Menu}
+ * Menu object populated with {@link PlaybackRateMenuItem}s
+ */
+ ;
- if (value !== undefined) {
- accum[key] = value;
+ _proto.createMenu = function createMenu() {
+ var menu = new Menu(this.player());
+ var rates = this.playbackRates();
+
+ if (rates) {
+ for (var i = rates.length - 1; i >= 0; i--) {
+ menu.addChild(new PlaybackRateMenuItem(this.player(), {
+ rate: rates[i] + 'x'
+ }));
+ }
}
- return accum;
- }, {});
- };
+ return menu;
+ }
+ /**
+ * Updates ARIA accessibility attributes
+ */
+ ;
- /**
- * Sets text track settings from an object of values.
- *
- * @param {Object} values
- * An object with config values parsed from the DOM or localStorage.
- */
+ _proto.updateARIAAttributes = function updateARIAAttributes() {
+ // Current playback rate
+ this.el().setAttribute('aria-valuenow', this.player().playbackRate());
+ }
+ /**
+ * This gets called when an `PlaybackRateMenuButton` is "clicked". See
+ * {@link ClickableComponent} for more detailed information on what a click can be.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
+ ;
+ _proto.handleClick = function handleClick(event) {
+ // select next rate option
+ var currentRate = this.player().playbackRate();
+ var rates = this.playbackRates(); // this will select first one if the last one currently selected
- TextTrackSettings.prototype.setValues = function setValues(values) {
- var _this4 = this;
+ var newRate = rates[0];
- each(selectConfigs, function (config, key) {
- setSelectedOption(_this4.$(config.selector), values[key], config.parser);
- });
- };
+ for (var i = 0; i < rates.length; i++) {
+ if (rates[i] > currentRate) {
+ newRate = rates[i];
+ break;
+ }
+ }
- /**
- * Sets all `<select>` elements to their default values.
- */
+ this.player().playbackRate(newRate);
+ }
+ /**
+ * Get possible playback rates
+ *
+ * @return {Array}
+ * All possible playback rates
+ */
+ ;
+ _proto.playbackRates = function playbackRates() {
+ return this.options_.playbackRates || this.options_.playerOptions && this.options_.playerOptions.playbackRates;
+ }
+ /**
+ * Get whether playback rates is supported by the tech
+ * and an array of playback rates exists
+ *
+ * @return {boolean}
+ * Whether changing playback rate is supported
+ */
+ ;
- TextTrackSettings.prototype.setDefaults = function setDefaults() {
- var _this5 = this;
+ _proto.playbackRateSupported = function playbackRateSupported() {
+ return this.player().tech_ && this.player().tech_.featuresPlaybackRate && this.playbackRates() && this.playbackRates().length > 0;
+ }
+ /**
+ * Hide playback rate controls when they're no playback rate options to select
+ *
+ * @param {EventTarget~Event} [event]
+ * The event that caused this function to run.
+ *
+ * @listens Player#loadstart
+ */
+ ;
- each(selectConfigs, function (config) {
- var index = config.hasOwnProperty('default') ? config['default'] : 0;
+ _proto.updateVisibility = function updateVisibility(event) {
+ if (this.playbackRateSupported()) {
+ this.removeClass('vjs-hidden');
+ } else {
+ this.addClass('vjs-hidden');
+ }
+ }
+ /**
+ * Update button label when rate changed
+ *
+ * @param {EventTarget~Event} [event]
+ * The event that caused this function to run.
+ *
+ * @listens Player#ratechange
+ */
+ ;
- _this5.$(config.selector).selectedIndex = index;
- });
- };
+ _proto.updateLabel = function updateLabel(event) {
+ if (this.playbackRateSupported()) {
+ this.labelEl_.innerHTML = this.player().playbackRate() + 'x';
+ }
+ };
+ return PlaybackRateMenuButton;
+ }(MenuButton);
/**
- * Restore texttrack settings from localStorage
+ * The text that should display over the `FullscreenToggle`s controls. Added for localization.
+ *
+ * @type {string}
+ * @private
*/
- TextTrackSettings.prototype.restoreSettings = function restoreSettings() {
- var values = void 0;
-
- try {
- values = JSON.parse(window_1.localStorage.getItem(LOCAL_STORAGE_KEY));
- } catch (err) {
- log$1.warn(err);
- }
-
- if (values) {
- this.setValues(values);
- }
- };
+ PlaybackRateMenuButton.prototype.controlText_ = 'Playback Rate';
+ Component.registerComponent('PlaybackRateMenuButton', PlaybackRateMenuButton);
/**
- * Save text track settings to localStorage
+ * Just an empty spacer element that can be used as an append point for plugins, etc.
+ * Also can be used to create space between elements when necessary.
+ *
+ * @extends Component
*/
+ var Spacer = /*#__PURE__*/function (_Component) {
+ inheritsLoose(Spacer, _Component);
- TextTrackSettings.prototype.saveSettings = function saveSettings() {
- if (!this.options_.persistTextTrackSettings) {
- return;
+ function Spacer() {
+ return _Component.apply(this, arguments) || this;
}
- var values = this.getValues();
+ var _proto = Spacer.prototype;
- try {
- if (Object.keys(values).length) {
- window_1.localStorage.setItem(LOCAL_STORAGE_KEY, JSON.stringify(values));
- } else {
- window_1.localStorage.removeItem(LOCAL_STORAGE_KEY);
- }
- } catch (err) {
- log$1.warn(err);
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+ _proto.buildCSSClass = function buildCSSClass() {
+ return "vjs-spacer " + _Component.prototype.buildCSSClass.call(this);
}
- };
-
- /**
- * Update display of text track settings
- */
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+ ;
+ _proto.createEl = function createEl() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: this.buildCSSClass()
+ });
+ };
- TextTrackSettings.prototype.updateDisplay = function updateDisplay() {
- var ttDisplay = this.player_.getChild('textTrackDisplay');
+ return Spacer;
+ }(Component);
- if (ttDisplay) {
- ttDisplay.updateDisplay();
- }
- };
+ Component.registerComponent('Spacer', Spacer);
/**
- * conditionally blur the element and refocus the captions button
+ * Spacer specifically meant to be used as an insertion point for new plugins, etc.
*
- * @private
+ * @extends Spacer
*/
+ var CustomControlSpacer = /*#__PURE__*/function (_Spacer) {
+ inheritsLoose(CustomControlSpacer, _Spacer);
- TextTrackSettings.prototype.conditionalBlur_ = function conditionalBlur_() {
- this.previouslyActiveEl_ = null;
- this.off(document_1, 'keydown', this.handleKeyDown);
-
- var cb = this.player_.controlBar;
- var subsCapsBtn = cb && cb.subsCapsButton;
- var ccBtn = cb && cb.captionsButton;
-
- if (subsCapsBtn) {
- subsCapsBtn.focus();
- } else if (ccBtn) {
- ccBtn.focus();
+ function CustomControlSpacer() {
+ return _Spacer.apply(this, arguments) || this;
}
- };
- return TextTrackSettings;
-}(ModalDialog);
+ var _proto = CustomControlSpacer.prototype;
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+ _proto.buildCSSClass = function buildCSSClass() {
+ return "vjs-custom-control-spacer " + _Spacer.prototype.buildCSSClass.call(this);
+ }
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+ ;
+
+ _proto.createEl = function createEl() {
+ var el = _Spacer.prototype.createEl.call(this, {
+ className: this.buildCSSClass()
+ }); // No-flex/table-cell mode requires there be some content
+ // in the cell to fill the remaining space of the table.
-Component.registerComponent('TextTrackSettings', TextTrackSettings);
-
-/**
- * @file resize-manager.js
- */
-/**
- * A Resize Manager. It is in charge of triggering `playerresize` on the player in the right conditions.
- *
- * It'll either create an iframe and use a debounced resize handler on it or use the new {@link https://wicg.github.io/ResizeObserver/|ResizeObserver}.
- *
- * If the ResizeObserver is available natively, it will be used. A polyfill can be passed in as an option.
- * If a `playerresize` event is not needed, the ResizeManager component can be removed from the player, see the example below.
- * @example <caption>How to disable the resize manager</caption>
- * const player = videojs('#vid', {
- * resizeManager: false
- * });
- *
- * @see {@link https://wicg.github.io/ResizeObserver/|ResizeObserver specification}
- *
- * @extends Component
- */
-var ResizeManager = function (_Component) {
- inherits(ResizeManager, _Component);
+ el.innerHTML = "\xA0";
+ return el;
+ };
+
+ return CustomControlSpacer;
+ }(Spacer);
+
+ Component.registerComponent('CustomControlSpacer', CustomControlSpacer);
/**
- * Create the ResizeManager.
- *
- * @param {Object} player
- * The `Player` that this class should be attached to.
+ * Container of main controls.
*
- * @param {Object} [options]
- * The key/value store of ResizeManager options.
- *
- * @param {Object} [options.ResizeObserver]
- * A polyfill for ResizeObserver can be passed in here.
- * If this is set to null it will ignore the native ResizeObserver and fall back to the iframe fallback.
+ * @extends Component
*/
- function ResizeManager(player, options) {
- classCallCheck(this, ResizeManager);
- var RESIZE_OBSERVER_AVAILABLE = options.ResizeObserver || window_1.ResizeObserver;
+ var ControlBar = /*#__PURE__*/function (_Component) {
+ inheritsLoose(ControlBar, _Component);
- // if `null` was passed, we want to disable the ResizeObserver
- if (options.ResizeObserver === null) {
- RESIZE_OBSERVER_AVAILABLE = false;
+ function ControlBar() {
+ return _Component.apply(this, arguments) || this;
}
- // Only create an element when ResizeObserver isn't available
- var options_ = mergeOptions({ createEl: !RESIZE_OBSERVER_AVAILABLE }, options);
+ var _proto = ControlBar.prototype;
+
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+ _proto.createEl = function createEl() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-control-bar',
+ dir: 'ltr'
+ });
+ };
- var _this = possibleConstructorReturn(this, _Component.call(this, player, options_));
+ return ControlBar;
+ }(Component);
+ /**
+ * Default options for `ControlBar`
+ *
+ * @type {Object}
+ * @private
+ */
- _this.ResizeObserver = options.ResizeObserver || window_1.ResizeObserver;
- _this.loadListener_ = null;
- _this.resizeObserver_ = null;
- _this.debouncedHandler_ = debounce(function () {
- _this.resizeHandler();
- }, 100, false, player);
- if (RESIZE_OBSERVER_AVAILABLE) {
- _this.resizeObserver_ = new _this.ResizeObserver(_this.debouncedHandler_);
- _this.resizeObserver_.observe(player.el());
- } else {
- _this.loadListener_ = function () {
- if (_this.el_.contentWindow) {
- on(_this.el_.contentWindow, 'resize', _this.debouncedHandler_);
- }
- _this.off('load', _this.loadListener_);
- };
+ ControlBar.prototype.options_ = {
+ children: ['playToggle', 'volumePanel', 'currentTimeDisplay', 'timeDivider', 'durationDisplay', 'progressControl', 'liveDisplay', 'seekToLive', 'remainingTimeDisplay', 'customControlSpacer', 'playbackRateMenuButton', 'chaptersButton', 'descriptionsButton', 'subsCapsButton', 'audioTrackButton', 'fullscreenToggle']
+ };
- _this.on('load', _this.loadListener_);
- }
- return _this;
+ if ('exitPictureInPicture' in document) {
+ ControlBar.prototype.options_.children.splice(ControlBar.prototype.options_.children.length - 1, 0, 'pictureInPictureToggle');
}
- ResizeManager.prototype.createEl = function createEl() {
- return _Component.prototype.createEl.call(this, 'iframe', {
- className: 'vjs-resize-manager'
- });
- };
+ Component.registerComponent('ControlBar', ControlBar);
/**
- * Called when a resize is triggered on the iframe or a resize is observed via the ResizeObserver
+ * A display that indicates an error has occurred. This means that the video
+ * is unplayable.
*
- * @fires Player#playerresize
+ * @extends ModalDialog
*/
+ var ErrorDisplay = /*#__PURE__*/function (_ModalDialog) {
+ inheritsLoose(ErrorDisplay, _ModalDialog);
- ResizeManager.prototype.resizeHandler = function resizeHandler() {
/**
- * Called when the player size has changed
+ * Creates an instance of this class.
*
- * @event Player#playerresize
- * @type {EventTarget~Event}
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
*/
- this.player_.trigger('playerresize');
- };
+ function ErrorDisplay(player, options) {
+ var _this;
- ResizeManager.prototype.dispose = function dispose() {
- if (this.resizeObserver_) {
- this.resizeObserver_.unobserve(this.player_.el());
- this.resizeObserver_.disconnect();
- }
+ _this = _ModalDialog.call(this, player, options) || this;
- if (this.el_ && this.el_.contentWindow) {
- off(this.el_.contentWindow, 'resize', this.debouncedHandler_);
- }
+ _this.on(player, 'error', _this.open);
- if (this.loadListener_) {
- this.off('load', this.loadListener_);
+ return _this;
}
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ *
+ * @deprecated Since version 5.
+ */
- this.ResizeObserver = null;
- this.resizeObserver = null;
- this.debouncedHandler_ = null;
- this.loadListener_ = null;
- };
-
- return ResizeManager;
-}(Component);
-
-Component.registerComponent('ResizeManager', ResizeManager);
-var _templateObject$2 = taggedTemplateLiteralLoose(['Text Tracks are being loaded from another origin but the crossorigin attribute isn\'t used.\n This may prevent text tracks from loading.'], ['Text Tracks are being loaded from another origin but the crossorigin attribute isn\'t used.\n This may prevent text tracks from loading.']);
+ var _proto = ErrorDisplay.prototype;
-/**
- * @file html5.js
- */
-/**
- * HTML5 Media Controller - Wrapper for HTML5 Media API
- *
- * @mixes Tech~SouceHandlerAdditions
- * @extends Tech
- */
+ _proto.buildCSSClass = function buildCSSClass() {
+ return "vjs-error-display " + _ModalDialog.prototype.buildCSSClass.call(this);
+ }
+ /**
+ * Gets the localized error message based on the `Player`s error.
+ *
+ * @return {string}
+ * The `Player`s error message localized or an empty string.
+ */
+ ;
-var Html5 = function (_Tech) {
- inherits(Html5, _Tech);
+ _proto.content = function content() {
+ var error = this.player().error();
+ return error ? this.localize(error.message) : '';
+ };
+ return ErrorDisplay;
+ }(ModalDialog);
/**
- * Create an instance of this Tech.
- *
- * @param {Object} [options]
- * The key/value store of player options.
+ * The default options for an `ErrorDisplay`.
*
- * @param {Component~ReadyCallback} ready
- * Callback function to call when the `HTML5` Tech is ready.
+ * @private
*/
- function Html5(options, ready) {
- classCallCheck(this, Html5);
-
- var _this = possibleConstructorReturn(this, _Tech.call(this, options, ready));
-
- var source = options.source;
- var crossoriginTracks = false;
-
- // Set the source if one is provided
- // 1) Check if the source is new (if not, we want to keep the original so playback isn't interrupted)
- // 2) Check to see if the network state of the tag was failed at init, and if so, reset the source
- // anyway so the error gets fired.
- if (source && (_this.el_.currentSrc !== source.src || options.tag && options.tag.initNetworkState_ === 3)) {
- _this.setSource(source);
- } else {
- _this.handleLateInit_(_this.el_);
- }
-
- if (_this.el_.hasChildNodes()) {
-
- var nodes = _this.el_.childNodes;
- var nodesLength = nodes.length;
- var removeNodes = [];
- while (nodesLength--) {
- var node = nodes[nodesLength];
- var nodeName = node.nodeName.toLowerCase();
- if (nodeName === 'track') {
- if (!_this.featuresNativeTextTracks) {
- // Empty video tag tracks so the built-in player doesn't use them also.
- // This may not be fast enough to stop HTML5 browsers from reading the tags
- // so we'll need to turn off any default tracks if we're manually doing
- // captions and subtitles. videoElement.textTracks
- removeNodes.push(node);
- } else {
- // store HTMLTrackElement and TextTrack to remote list
- _this.remoteTextTrackEls().addTrackElement_(node);
- _this.remoteTextTracks().addTrack(node.track);
- _this.textTracks().addTrack(node.track);
- if (!crossoriginTracks && !_this.el_.hasAttribute('crossorigin') && isCrossOrigin(node.src)) {
- crossoriginTracks = true;
- }
- }
- }
- }
-
- for (var i = 0; i < removeNodes.length; i++) {
- _this.el_.removeChild(removeNodes[i]);
+ ErrorDisplay.prototype.options_ = _extends_1({}, ModalDialog.prototype.options_, {
+ pauseOnOpen: false,
+ fillAlways: true,
+ temporary: false,
+ uncloseable: true
+ });
+ Component.registerComponent('ErrorDisplay', ErrorDisplay);
+
+ var LOCAL_STORAGE_KEY = 'vjs-text-track-settings';
+ var COLOR_BLACK = ['#000', 'Black'];
+ var COLOR_BLUE = ['#00F', 'Blue'];
+ var COLOR_CYAN = ['#0FF', 'Cyan'];
+ var COLOR_GREEN = ['#0F0', 'Green'];
+ var COLOR_MAGENTA = ['#F0F', 'Magenta'];
+ var COLOR_RED = ['#F00', 'Red'];
+ var COLOR_WHITE = ['#FFF', 'White'];
+ var COLOR_YELLOW = ['#FF0', 'Yellow'];
+ var OPACITY_OPAQUE = ['1', 'Opaque'];
+ var OPACITY_SEMI = ['0.5', 'Semi-Transparent'];
+ var OPACITY_TRANS = ['0', 'Transparent']; // Configuration for the various <select> elements in the DOM of this component.
+ //
+ // Possible keys include:
+ //
+ // `default`:
+ // The default option index. Only needs to be provided if not zero.
+ // `parser`:
+ // A function which is used to parse the value from the selected option in
+ // a customized way.
+ // `selector`:
+ // The selector used to find the associated <select> element.
+
+ var selectConfigs = {
+ backgroundColor: {
+ selector: '.vjs-bg-color > select',
+ id: 'captions-background-color-%s',
+ label: 'Color',
+ options: [COLOR_BLACK, COLOR_WHITE, COLOR_RED, COLOR_GREEN, COLOR_BLUE, COLOR_YELLOW, COLOR_MAGENTA, COLOR_CYAN]
+ },
+ backgroundOpacity: {
+ selector: '.vjs-bg-opacity > select',
+ id: 'captions-background-opacity-%s',
+ label: 'Transparency',
+ options: [OPACITY_OPAQUE, OPACITY_SEMI, OPACITY_TRANS]
+ },
+ color: {
+ selector: '.vjs-fg-color > select',
+ id: 'captions-foreground-color-%s',
+ label: 'Color',
+ options: [COLOR_WHITE, COLOR_BLACK, COLOR_RED, COLOR_GREEN, COLOR_BLUE, COLOR_YELLOW, COLOR_MAGENTA, COLOR_CYAN]
+ },
+ edgeStyle: {
+ selector: '.vjs-edge-style > select',
+ id: '%s',
+ label: 'Text Edge Style',
+ options: [['none', 'None'], ['raised', 'Raised'], ['depressed', 'Depressed'], ['uniform', 'Uniform'], ['dropshadow', 'Dropshadow']]
+ },
+ fontFamily: {
+ selector: '.vjs-font-family > select',
+ id: 'captions-font-family-%s',
+ label: 'Font Family',
+ options: [['proportionalSansSerif', 'Proportional Sans-Serif'], ['monospaceSansSerif', 'Monospace Sans-Serif'], ['proportionalSerif', 'Proportional Serif'], ['monospaceSerif', 'Monospace Serif'], ['casual', 'Casual'], ['script', 'Script'], ['small-caps', 'Small Caps']]
+ },
+ fontPercent: {
+ selector: '.vjs-font-percent > select',
+ id: 'captions-font-size-%s',
+ label: 'Font Size',
+ options: [['0.50', '50%'], ['0.75', '75%'], ['1.00', '100%'], ['1.25', '125%'], ['1.50', '150%'], ['1.75', '175%'], ['2.00', '200%'], ['3.00', '300%'], ['4.00', '400%']],
+ "default": 2,
+ parser: function parser(v) {
+ return v === '1.00' ? null : Number(v);
}
+ },
+ textOpacity: {
+ selector: '.vjs-text-opacity > select',
+ id: 'captions-foreground-opacity-%s',
+ label: 'Transparency',
+ options: [OPACITY_OPAQUE, OPACITY_SEMI]
+ },
+ // Options for this object are defined below.
+ windowColor: {
+ selector: '.vjs-window-color > select',
+ id: 'captions-window-color-%s',
+ label: 'Color'
+ },
+ // Options for this object are defined below.
+ windowOpacity: {
+ selector: '.vjs-window-opacity > select',
+ id: 'captions-window-opacity-%s',
+ label: 'Transparency',
+ options: [OPACITY_TRANS, OPACITY_SEMI, OPACITY_OPAQUE]
}
+ };
+ selectConfigs.windowColor.options = selectConfigs.backgroundColor.options;
+ /**
+ * Get the actual value of an option.
+ *
+ * @param {string} value
+ * The value to get
+ *
+ * @param {Function} [parser]
+ * Optional function to adjust the value.
+ *
+ * @return {Mixed}
+ * - Will be `undefined` if no value exists
+ * - Will be `undefined` if the given value is "none".
+ * - Will be the actual value otherwise.
+ *
+ * @private
+ */
- _this.proxyNativeTracks_();
- if (_this.featuresNativeTextTracks && crossoriginTracks) {
- log$1.warn(tsml(_templateObject$2));
+ function parseOptionValue(value, parser) {
+ if (parser) {
+ value = parser(value);
}
- // prevent iOS Safari from disabling metadata text tracks during native playback
- _this.restoreMetadataTracksInIOSNativePlayer_();
-
- // Determine if native controls should be used
- // Our goal should be to get the custom controls on mobile solid everywhere
- // so we can remove this all together. Right now this will block custom
- // controls on touch enabled laptops like the Chrome Pixel
- if ((TOUCH_ENABLED || IS_IPHONE || IS_NATIVE_ANDROID) && options.nativeControlsForTouch === true) {
- _this.setControls(true);
+ if (value && value !== 'none') {
+ return value;
}
-
- // on iOS, we want to proxy `webkitbeginfullscreen` and `webkitendfullscreen`
- // into a `fullscreenchange` event
- _this.proxyWebkitFullscreen_();
-
- _this.triggerReady();
- return _this;
}
-
/**
- * Dispose of `HTML5` media element and remove all tracks.
+ * Gets the value of the selected <option> element within a <select> element.
+ *
+ * @param {Element} el
+ * the element to look in
+ *
+ * @param {Function} [parser]
+ * Optional function to adjust the value.
+ *
+ * @return {Mixed}
+ * - Will be `undefined` if no value exists
+ * - Will be `undefined` if the given value is "none".
+ * - Will be the actual value otherwise.
+ *
+ * @private
*/
- Html5.prototype.dispose = function dispose() {
- Html5.disposeMediaElement(this.el_);
- this.options_ = null;
-
- // tech will handle clearing of the emulated track list
- _Tech.prototype.dispose.call(this);
- };
-
+ function getSelectedOptionValue(el, parser) {
+ var value = el.options[el.options.selectedIndex].value;
+ return parseOptionValue(value, parser);
+ }
/**
- * When a captions track is enabled in the iOS Safari native player, all other
- * tracks are disabled (including metadata tracks), which nulls all of their
- * associated cue points. This will restore metadata tracks to their pre-fullscreen
- * state in those cases so that cue points are not needlessly lost.
+ * Sets the selected <option> element within a <select> element based on a
+ * given value.
+ *
+ * @param {Element} el
+ * The element to look in.
+ *
+ * @param {string} value
+ * the property to look on.
+ *
+ * @param {Function} [parser]
+ * Optional function to adjust the value before comparing.
*
* @private
*/
- Html5.prototype.restoreMetadataTracksInIOSNativePlayer_ = function restoreMetadataTracksInIOSNativePlayer_() {
- var textTracks = this.textTracks();
- var metadataTracksPreFullscreenState = void 0;
-
- // captures a snapshot of every metadata track's current state
- var takeMetadataTrackSnapshot = function takeMetadataTrackSnapshot() {
- metadataTracksPreFullscreenState = [];
-
- for (var i = 0; i < textTracks.length; i++) {
- var track = textTracks[i];
+ function setSelectedOption(el, value, parser) {
+ if (!value) {
+ return;
+ }
- if (track.kind === 'metadata') {
- metadataTracksPreFullscreenState.push({
- track: track,
- storedMode: track.mode
- });
- }
+ for (var i = 0; i < el.options.length; i++) {
+ if (parseOptionValue(el.options[i].value, parser) === value) {
+ el.selectedIndex = i;
+ break;
}
- };
-
- // snapshot each metadata track's initial state, and update the snapshot
- // each time there is a track 'change' event
- takeMetadataTrackSnapshot();
- textTracks.addEventListener('change', takeMetadataTrackSnapshot);
-
- this.on('dispose', function () {
- return textTracks.removeEventListener('change', takeMetadataTrackSnapshot);
- });
-
- var restoreTrackMode = function restoreTrackMode() {
- for (var i = 0; i < metadataTracksPreFullscreenState.length; i++) {
- var storedTrack = metadataTracksPreFullscreenState[i];
+ }
+ }
+ /**
+ * Manipulate Text Tracks settings.
+ *
+ * @extends ModalDialog
+ */
- if (storedTrack.track.mode === 'disabled' && storedTrack.track.mode !== storedTrack.storedMode) {
- storedTrack.track.mode = storedTrack.storedMode;
- }
- }
- // we only want this handler to be executed on the first 'change' event
- textTracks.removeEventListener('change', restoreTrackMode);
- };
- // when we enter fullscreen playback, stop updating the snapshot and
- // restore all track modes to their pre-fullscreen state
- this.on('webkitbeginfullscreen', function () {
- textTracks.removeEventListener('change', takeMetadataTrackSnapshot);
+ var TextTrackSettings = /*#__PURE__*/function (_ModalDialog) {
+ inheritsLoose(TextTrackSettings, _ModalDialog);
- // remove the listener before adding it just in case it wasn't previously removed
- textTracks.removeEventListener('change', restoreTrackMode);
- textTracks.addEventListener('change', restoreTrackMode);
- });
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function TextTrackSettings(player, options) {
+ var _this;
- // start updating the snapshot again after leaving fullscreen
- this.on('webkitendfullscreen', function () {
- // remove the listener before adding it just in case it wasn't previously removed
- textTracks.removeEventListener('change', takeMetadataTrackSnapshot);
- textTracks.addEventListener('change', takeMetadataTrackSnapshot);
+ options.temporary = false;
+ _this = _ModalDialog.call(this, player, options) || this;
+ _this.updateDisplay = bind(assertThisInitialized(_this), _this.updateDisplay); // fill the modal and pretend we have opened it
- // remove the restoreTrackMode handler in case it wasn't triggered during fullscreen playback
- textTracks.removeEventListener('change', restoreTrackMode);
- });
- };
+ _this.fill();
- /**
- * Proxy all native track list events to our track lists if the browser we are playing
- * in supports that type of track list.
- *
- * @private
- */
+ _this.hasBeenOpened_ = _this.hasBeenFilled_ = true;
+ _this.endDialog = createEl('p', {
+ className: 'vjs-control-text',
+ textContent: _this.localize('End of dialog window.')
+ });
+ _this.el().appendChild(_this.endDialog);
- Html5.prototype.proxyNativeTracks_ = function proxyNativeTracks_() {
- var _this2 = this;
+ _this.setDefaults(); // Grab `persistTextTrackSettings` from the player options if not passed in child options
- NORMAL.names.forEach(function (name) {
- var props = NORMAL[name];
- var elTracks = _this2.el()[props.getterName];
- var techTracks = _this2[props.getterName]();
- if (!_this2['featuresNative' + props.capitalName + 'Tracks'] || !elTracks || !elTracks.addEventListener) {
- return;
+ if (options.persistTextTrackSettings === undefined) {
+ _this.options_.persistTextTrackSettings = _this.options_.playerOptions.persistTextTrackSettings;
}
- var listeners = {
- change: function change(e) {
- techTracks.trigger({
- type: 'change',
- target: techTracks,
- currentTarget: techTracks,
- srcElement: techTracks
- });
- },
- addtrack: function addtrack(e) {
- techTracks.addTrack(e.track);
- },
- removetrack: function removetrack(e) {
- techTracks.removeTrack(e.track);
- }
- };
- var removeOldTracks = function removeOldTracks() {
- var removeTracks = [];
-
- for (var i = 0; i < techTracks.length; i++) {
- var found = false;
-
- for (var j = 0; j < elTracks.length; j++) {
- if (elTracks[j] === techTracks[i]) {
- found = true;
- break;
- }
- }
- if (!found) {
- removeTracks.push(techTracks[i]);
- }
- }
+ _this.on(_this.$('.vjs-done-button'), 'click', function () {
+ _this.saveSettings();
- while (removeTracks.length) {
- techTracks.removeTrack(removeTracks.shift());
- }
- };
+ _this.close();
+ });
- Object.keys(listeners).forEach(function (eventName) {
- var listener = listeners[eventName];
+ _this.on(_this.$('.vjs-default-button'), 'click', function () {
+ _this.setDefaults();
- elTracks.addEventListener(eventName, listener);
- _this2.on('dispose', function (e) {
- return elTracks.removeEventListener(eventName, listener);
- });
+ _this.updateDisplay();
});
- // Remove (native) tracks that are not used anymore
- _this2.on('loadstart', removeOldTracks);
- _this2.on('dispose', function (e) {
- return _this2.off('loadstart', removeOldTracks);
+ each(selectConfigs, function (config) {
+ _this.on(_this.$(config.selector), 'change', _this.updateDisplay);
});
- });
- };
-
- /**
- * Create the `Html5` Tech's DOM element.
- *
- * @return {Element}
- * The element that gets created.
- */
+ if (_this.options_.persistTextTrackSettings) {
+ _this.restoreSettings();
+ }
- Html5.prototype.createEl = function createEl$$1() {
- var el = this.options_.tag;
+ return _this;
+ }
- // Check if this browser supports moving the element into the box.
- // On the iPhone video will break if you move the element,
- // So we have to create a brand new element.
- // If we ingested the player div, we do not need to move the media element.
- if (!el || !(this.options_.playerElIngest || this.movingMediaElementInDOM)) {
+ var _proto = TextTrackSettings.prototype;
- // If the original tag is still there, clone and remove it.
- if (el) {
- var clone = el.cloneNode(true);
+ _proto.dispose = function dispose() {
+ this.endDialog = null;
- if (el.parentNode) {
- el.parentNode.insertBefore(clone, el);
- }
- Html5.disposeMediaElement(el);
- el = clone;
- } else {
- el = document_1.createElement('video');
+ _ModalDialog.prototype.dispose.call(this);
+ }
+ /**
+ * Create a <select> element with configured options.
+ *
+ * @param {string} key
+ * Configuration key to use during creation.
+ *
+ * @return {string}
+ * An HTML string.
+ *
+ * @private
+ */
+ ;
- // determine if native controls should be used
- var tagAttributes = this.options_.tag && getAttributes(this.options_.tag);
- var attributes = mergeOptions({}, tagAttributes);
+ _proto.createElSelect_ = function createElSelect_(key, legendId, type) {
+ var _this2 = this;
- if (!TOUCH_ENABLED || this.options_.nativeControlsForTouch !== true) {
- delete attributes.controls;
- }
+ if (legendId === void 0) {
+ legendId = '';
+ }
- setAttributes(el, assign(attributes, {
- id: this.options_.techId,
- 'class': 'vjs-tech'
- }));
+ if (type === void 0) {
+ type = 'label';
}
- el.playerId = this.options_.playerId;
+ var config = selectConfigs[key];
+ var id = config.id.replace('%s', this.id_);
+ var selectLabelledbyIds = [legendId, id].join(' ').trim();
+ return ["<" + type + " id=\"" + id + "\" class=\"" + (type === 'label' ? 'vjs-label' : '') + "\">", this.localize(config.label), "</" + type + ">", "<select aria-labelledby=\"" + selectLabelledbyIds + "\">"].concat(config.options.map(function (o) {
+ var optionId = id + '-' + o[1].replace(/\W+/g, '');
+ return ["<option id=\"" + optionId + "\" value=\"" + o[0] + "\" ", "aria-labelledby=\"" + selectLabelledbyIds + " " + optionId + "\">", _this2.localize(o[1]), '</option>'].join('');
+ })).concat('</select>').join('');
}
+ /**
+ * Create foreground color element for the component
+ *
+ * @return {string}
+ * An HTML string.
+ *
+ * @private
+ */
+ ;
- if (typeof this.options_.preload !== 'undefined') {
- setAttribute(el, 'preload', this.options_.preload);
+ _proto.createElFgColor_ = function createElFgColor_() {
+ var legendId = "captions-text-legend-" + this.id_;
+ return ['<fieldset class="vjs-fg-color vjs-track-setting">', "<legend id=\"" + legendId + "\">", this.localize('Text'), '</legend>', this.createElSelect_('color', legendId), '<span class="vjs-text-opacity vjs-opacity">', this.createElSelect_('textOpacity', legendId), '</span>', '</fieldset>'].join('');
}
+ /**
+ * Create background color element for the component
+ *
+ * @return {string}
+ * An HTML string.
+ *
+ * @private
+ */
+ ;
- // Update specific tag settings, in case they were overridden
- // `autoplay` has to be *last* so that `muted` and `playsinline` are present
- // when iOS/Safari or other browsers attempt to autoplay.
- var settingsAttrs = ['loop', 'muted', 'playsinline', 'autoplay'];
-
- for (var i = 0; i < settingsAttrs.length; i++) {
- var attr = settingsAttrs[i];
- var value = this.options_[attr];
-
- if (typeof value !== 'undefined') {
- if (value) {
- setAttribute(el, attr, attr);
- } else {
- removeAttribute(el, attr);
- }
- el[attr] = value;
- }
+ _proto.createElBgColor_ = function createElBgColor_() {
+ var legendId = "captions-background-" + this.id_;
+ return ['<fieldset class="vjs-bg-color vjs-track-setting">', "<legend id=\"" + legendId + "\">", this.localize('Background'), '</legend>', this.createElSelect_('backgroundColor', legendId), '<span class="vjs-bg-opacity vjs-opacity">', this.createElSelect_('backgroundOpacity', legendId), '</span>', '</fieldset>'].join('');
}
+ /**
+ * Create window color element for the component
+ *
+ * @return {string}
+ * An HTML string.
+ *
+ * @private
+ */
+ ;
- return el;
- };
-
- /**
- * This will be triggered if the loadstart event has already fired, before videojs was
- * ready. Two known examples of when this can happen are:
- * 1. If we're loading the playback object after it has started loading
- * 2. The media is already playing the (often with autoplay on) then
- *
- * This function will fire another loadstart so that videojs can catchup.
- *
- * @fires Tech#loadstart
- *
- * @return {undefined}
- * returns nothing.
- */
-
-
- Html5.prototype.handleLateInit_ = function handleLateInit_(el) {
- if (el.networkState === 0 || el.networkState === 3) {
- // The video element hasn't started loading the source yet
- // or didn't find a source
- return;
+ _proto.createElWinColor_ = function createElWinColor_() {
+ var legendId = "captions-window-" + this.id_;
+ return ['<fieldset class="vjs-window-color vjs-track-setting">', "<legend id=\"" + legendId + "\">", this.localize('Window'), '</legend>', this.createElSelect_('windowColor', legendId), '<span class="vjs-window-opacity vjs-opacity">', this.createElSelect_('windowOpacity', legendId), '</span>', '</fieldset>'].join('');
}
+ /**
+ * Create color elements for the component
+ *
+ * @return {Element}
+ * The element that was created
+ *
+ * @private
+ */
+ ;
- if (el.readyState === 0) {
- // NetworkState is set synchronously BUT loadstart is fired at the
- // end of the current stack, usually before setInterval(fn, 0).
- // So at this point we know loadstart may have already fired or is
- // about to fire, and either way the player hasn't seen it yet.
- // We don't want to fire loadstart prematurely here and cause a
- // double loadstart so we'll wait and see if it happens between now
- // and the next loop, and fire it if not.
- // HOWEVER, we also want to make sure it fires before loadedmetadata
- // which could also happen between now and the next loop, so we'll
- // watch for that also.
- var loadstartFired = false;
- var setLoadstartFired = function setLoadstartFired() {
- loadstartFired = true;
- };
-
- this.on('loadstart', setLoadstartFired);
-
- var triggerLoadstart = function triggerLoadstart() {
- // We did miss the original loadstart. Make sure the player
- // sees loadstart before loadedmetadata
- if (!loadstartFired) {
- this.trigger('loadstart');
- }
- };
-
- this.on('loadedmetadata', triggerLoadstart);
-
- this.ready(function () {
- this.off('loadstart', setLoadstartFired);
- this.off('loadedmetadata', triggerLoadstart);
-
- if (!loadstartFired) {
- // We did miss the original native loadstart. Fire it now.
- this.trigger('loadstart');
- }
+ _proto.createElColors_ = function createElColors_() {
+ return createEl('div', {
+ className: 'vjs-track-settings-colors',
+ innerHTML: [this.createElFgColor_(), this.createElBgColor_(), this.createElWinColor_()].join('')
});
-
- return;
- }
-
- // From here on we know that loadstart already fired and we missed it.
- // The other readyState events aren't as much of a problem if we double
- // them, so not going to go to as much trouble as loadstart to prevent
- // that unless we find reason to.
- var eventsToTrigger = ['loadstart'];
-
- // loadedmetadata: newly equal to HAVE_METADATA (1) or greater
- eventsToTrigger.push('loadedmetadata');
-
- // loadeddata: newly increased to HAVE_CURRENT_DATA (2) or greater
- if (el.readyState >= 2) {
- eventsToTrigger.push('loadeddata');
}
+ /**
+ * Create font elements for the component
+ *
+ * @return {Element}
+ * The element that was created.
+ *
+ * @private
+ */
+ ;
- // canplay: newly increased to HAVE_FUTURE_DATA (3) or greater
- if (el.readyState >= 3) {
- eventsToTrigger.push('canplay');
+ _proto.createElFont_ = function createElFont_() {
+ return createEl('div', {
+ className: 'vjs-track-settings-font',
+ innerHTML: ['<fieldset class="vjs-font-percent vjs-track-setting">', this.createElSelect_('fontPercent', '', 'legend'), '</fieldset>', '<fieldset class="vjs-edge-style vjs-track-setting">', this.createElSelect_('edgeStyle', '', 'legend'), '</fieldset>', '<fieldset class="vjs-font-family vjs-track-setting">', this.createElSelect_('fontFamily', '', 'legend'), '</fieldset>'].join('')
+ });
}
+ /**
+ * Create controls for the component
+ *
+ * @return {Element}
+ * The element that was created.
+ *
+ * @private
+ */
+ ;
- // canplaythrough: newly equal to HAVE_ENOUGH_DATA (4)
- if (el.readyState >= 4) {
- eventsToTrigger.push('canplaythrough');
- }
+ _proto.createElControls_ = function createElControls_() {
+ var defaultsDescription = this.localize('restore all settings to the default values');
+ return createEl('div', {
+ className: 'vjs-track-settings-controls',
+ innerHTML: ["<button type=\"button\" class=\"vjs-default-button\" title=\"" + defaultsDescription + "\">", this.localize('Reset'), "<span class=\"vjs-control-text\"> " + defaultsDescription + "</span>", '</button>', "<button type=\"button\" class=\"vjs-done-button\">" + this.localize('Done') + "</button>"].join('')
+ });
+ };
- // We still need to give the player time to add event listeners
- this.ready(function () {
- eventsToTrigger.forEach(function (type) {
- this.trigger(type);
- }, this);
- });
- };
+ _proto.content = function content() {
+ return [this.createElColors_(), this.createElFont_(), this.createElControls_()];
+ };
- /**
- * Set current time for the `HTML5` tech.
- *
- * @param {number} seconds
- * Set the current time of the media to this.
- */
+ _proto.label = function label() {
+ return this.localize('Caption Settings Dialog');
+ };
+ _proto.description = function description() {
+ return this.localize('Beginning of dialog window. Escape will cancel and close the window.');
+ };
- Html5.prototype.setCurrentTime = function setCurrentTime(seconds) {
- try {
- this.el_.currentTime = seconds;
- } catch (e) {
- log$1(e, 'Video is not ready. (Video.js)');
- // this.warning(VideoJS.warnings.videoNotReady);
+ _proto.buildCSSClass = function buildCSSClass() {
+ return _ModalDialog.prototype.buildCSSClass.call(this) + ' vjs-text-track-settings';
}
- };
-
- /**
- * Get the current duration of the HTML5 media element.
- *
- * @return {number}
- * The duration of the media or 0 if there is no duration.
- */
+ /**
+ * Gets an object of text track settings (or null).
+ *
+ * @return {Object}
+ * An object with config values parsed from the DOM or localStorage.
+ */
+ ;
+ _proto.getValues = function getValues() {
+ var _this3 = this;
- Html5.prototype.duration = function duration() {
- var _this3 = this;
+ return reduce(selectConfigs, function (accum, config, key) {
+ var value = getSelectedOptionValue(_this3.$(config.selector), config.parser);
- // Android Chrome will report duration as Infinity for VOD HLS until after
- // playback has started, which triggers the live display erroneously.
- // Return NaN if playback has not started and trigger a durationupdate once
- // the duration can be reliably known.
- if (this.el_.duration === Infinity && IS_ANDROID && IS_CHROME && this.el_.currentTime === 0) {
- // Wait for the first `timeupdate` with currentTime > 0 - there may be
- // several with 0
- var checkProgress = function checkProgress() {
- if (_this3.el_.currentTime > 0) {
- // Trigger durationchange for genuinely live video
- if (_this3.el_.duration === Infinity) {
- _this3.trigger('durationchange');
- }
- _this3.off('timeupdate', checkProgress);
+ if (value !== undefined) {
+ accum[key] = value;
}
- };
- this.on('timeupdate', checkProgress);
- return NaN;
+ return accum;
+ }, {});
}
- return this.el_.duration || NaN;
- };
+ /**
+ * Sets text track settings from an object of values.
+ *
+ * @param {Object} values
+ * An object with config values parsed from the DOM or localStorage.
+ */
+ ;
- /**
- * Get the current width of the HTML5 media element.
- *
- * @return {number}
- * The width of the HTML5 media element.
- */
+ _proto.setValues = function setValues(values) {
+ var _this4 = this;
+ each(selectConfigs, function (config, key) {
+ setSelectedOption(_this4.$(config.selector), values[key], config.parser);
+ });
+ }
+ /**
+ * Sets all `<select>` elements to their default values.
+ */
+ ;
- Html5.prototype.width = function width() {
- return this.el_.offsetWidth;
- };
+ _proto.setDefaults = function setDefaults() {
+ var _this5 = this;
- /**
- * Get the current height of the HTML5 media element.
- *
- * @return {number}
- * The heigth of the HTML5 media element.
- */
+ each(selectConfigs, function (config) {
+ var index = config.hasOwnProperty('default') ? config["default"] : 0;
+ _this5.$(config.selector).selectedIndex = index;
+ });
+ }
+ /**
+ * Restore texttrack settings from localStorage
+ */
+ ;
+ _proto.restoreSettings = function restoreSettings() {
+ var values;
- Html5.prototype.height = function height() {
- return this.el_.offsetHeight;
- };
+ try {
+ values = JSON.parse(window$3.localStorage.getItem(LOCAL_STORAGE_KEY));
+ } catch (err) {
+ log.warn(err);
+ }
- /**
- * Proxy iOS `webkitbeginfullscreen` and `webkitendfullscreen` into
- * `fullscreenchange` event.
- *
- * @private
- * @fires fullscreenchange
- * @listens webkitendfullscreen
- * @listens webkitbeginfullscreen
- * @listens webkitbeginfullscreen
- */
+ if (values) {
+ this.setValues(values);
+ }
+ }
+ /**
+ * Save text track settings to localStorage
+ */
+ ;
+ _proto.saveSettings = function saveSettings() {
+ if (!this.options_.persistTextTrackSettings) {
+ return;
+ }
- Html5.prototype.proxyWebkitFullscreen_ = function proxyWebkitFullscreen_() {
- var _this4 = this;
+ var values = this.getValues();
- if (!('webkitDisplayingFullscreen' in this.el_)) {
- return;
+ try {
+ if (Object.keys(values).length) {
+ window$3.localStorage.setItem(LOCAL_STORAGE_KEY, JSON.stringify(values));
+ } else {
+ window$3.localStorage.removeItem(LOCAL_STORAGE_KEY);
+ }
+ } catch (err) {
+ log.warn(err);
+ }
}
+ /**
+ * Update display of text track settings
+ */
+ ;
- var endFn = function endFn() {
- this.trigger('fullscreenchange', { isFullscreen: false });
- };
+ _proto.updateDisplay = function updateDisplay() {
+ var ttDisplay = this.player_.getChild('textTrackDisplay');
- var beginFn = function beginFn() {
- if ('webkitPresentationMode' in this.el_ && this.el_.webkitPresentationMode !== 'picture-in-picture') {
- this.one('webkitendfullscreen', endFn);
+ if (ttDisplay) {
+ ttDisplay.updateDisplay();
+ }
+ }
+ /**
+ * conditionally blur the element and refocus the captions button
+ *
+ * @private
+ */
+ ;
- this.trigger('fullscreenchange', { isFullscreen: true });
+ _proto.conditionalBlur_ = function conditionalBlur_() {
+ this.previouslyActiveEl_ = null;
+ var cb = this.player_.controlBar;
+ var subsCapsBtn = cb && cb.subsCapsButton;
+ var ccBtn = cb && cb.captionsButton;
+
+ if (subsCapsBtn) {
+ subsCapsBtn.focus();
+ } else if (ccBtn) {
+ ccBtn.focus();
}
};
- this.on('webkitbeginfullscreen', beginFn);
- this.on('dispose', function () {
- _this4.off('webkitbeginfullscreen', beginFn);
- _this4.off('webkitendfullscreen', endFn);
- });
- };
+ return TextTrackSettings;
+ }(ModalDialog);
+
+ Component.registerComponent('TextTrackSettings', TextTrackSettings);
/**
- * Check if fullscreen is supported on the current playback device.
+ * A Resize Manager. It is in charge of triggering `playerresize` on the player in the right conditions.
*
- * @return {boolean}
- * - True if fullscreen is supported.
- * - False if fullscreen is not supported.
+ * It'll either create an iframe and use a debounced resize handler on it or use the new {@link https://wicg.github.io/ResizeObserver/|ResizeObserver}.
+ *
+ * If the ResizeObserver is available natively, it will be used. A polyfill can be passed in as an option.
+ * If a `playerresize` event is not needed, the ResizeManager component can be removed from the player, see the example below.
+ * @example <caption>How to disable the resize manager</caption>
+ * const player = videojs('#vid', {
+ * resizeManager: false
+ * });
+ *
+ * @see {@link https://wicg.github.io/ResizeObserver/|ResizeObserver specification}
+ *
+ * @extends Component
*/
+ var ResizeManager = /*#__PURE__*/function (_Component) {
+ inheritsLoose(ResizeManager, _Component);
- Html5.prototype.supportsFullScreen = function supportsFullScreen() {
- if (typeof this.el_.webkitEnterFullScreen === 'function') {
- var userAgent = window_1.navigator && window_1.navigator.userAgent || '';
+ /**
+ * Create the ResizeManager.
+ *
+ * @param {Object} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of ResizeManager options.
+ *
+ * @param {Object} [options.ResizeObserver]
+ * A polyfill for ResizeObserver can be passed in here.
+ * If this is set to null it will ignore the native ResizeObserver and fall back to the iframe fallback.
+ */
+ function ResizeManager(player, options) {
+ var _this;
- // Seems to be broken in Chromium/Chrome && Safari in Leopard
- if (/Android/.test(userAgent) || !/Chrome|Mac OS X 10.5/.test(userAgent)) {
- return true;
- }
- }
- return false;
- };
+ var RESIZE_OBSERVER_AVAILABLE = options.ResizeObserver || window$3.ResizeObserver; // if `null` was passed, we want to disable the ResizeObserver
- /**
- * Request that the `HTML5` Tech enter fullscreen.
- */
+ if (options.ResizeObserver === null) {
+ RESIZE_OBSERVER_AVAILABLE = false;
+ } // Only create an element when ResizeObserver isn't available
- Html5.prototype.enterFullScreen = function enterFullScreen() {
- var video = this.el_;
+ var options_ = mergeOptions({
+ createEl: !RESIZE_OBSERVER_AVAILABLE,
+ reportTouchActivity: false
+ }, options);
+ _this = _Component.call(this, player, options_) || this;
+ _this.ResizeObserver = options.ResizeObserver || window$3.ResizeObserver;
+ _this.loadListener_ = null;
+ _this.resizeObserver_ = null;
+ _this.debouncedHandler_ = debounce(function () {
+ _this.resizeHandler();
+ }, 100, false, assertThisInitialized(_this));
- if (video.paused && video.networkState <= video.HAVE_METADATA) {
- // attempt to prime the video element for programmatic access
- // this isn't necessary on the desktop but shouldn't hurt
- this.el_.play();
+ if (RESIZE_OBSERVER_AVAILABLE) {
+ _this.resizeObserver_ = new _this.ResizeObserver(_this.debouncedHandler_);
- // playing and pausing synchronously during the transition to fullscreen
- // can get iOS ~6.1 devices into a play/pause loop
- this.setTimeout(function () {
- video.pause();
- video.webkitEnterFullScreen();
- }, 0);
- } else {
- video.webkitEnterFullScreen();
- }
- };
+ _this.resizeObserver_.observe(player.el());
+ } else {
+ _this.loadListener_ = function () {
+ if (!_this.el_ || !_this.el_.contentWindow) {
+ return;
+ }
- /**
- * Request that the `HTML5` Tech exit fullscreen.
- */
+ var debouncedHandler_ = _this.debouncedHandler_;
+ var unloadListener_ = _this.unloadListener_ = function () {
+ off(this, 'resize', debouncedHandler_);
+ off(this, 'unload', unloadListener_);
+ unloadListener_ = null;
+ }; // safari and edge can unload the iframe before resizemanager dispose
+ // we have to dispose of event handlers correctly before that happens
- Html5.prototype.exitFullScreen = function exitFullScreen() {
- this.el_.webkitExitFullScreen();
- };
- /**
- * A getter/setter for the `Html5` Tech's source object.
- * > Note: Please use {@link Html5#setSource}
- *
- * @param {Tech~SourceObject} [src]
- * The source object you want to set on the `HTML5` techs element.
- *
- * @return {Tech~SourceObject|undefined}
- * - The current source object when a source is not passed in.
- * - undefined when setting
- *
- * @deprecated Since version 5.
- */
+ on(_this.el_.contentWindow, 'unload', unloadListener_);
+ on(_this.el_.contentWindow, 'resize', debouncedHandler_);
+ };
+ _this.one('load', _this.loadListener_);
+ }
- Html5.prototype.src = function src(_src) {
- if (_src === undefined) {
- return this.el_.src;
+ return _this;
}
- // Setting src through `src` instead of `setSrc` will be deprecated
- this.setSrc(_src);
- };
+ var _proto = ResizeManager.prototype;
- /**
- * Reset the tech by removing all sources and then calling
- * {@link Html5.resetMediaElement}.
- */
+ _proto.createEl = function createEl() {
+ return _Component.prototype.createEl.call(this, 'iframe', {
+ className: 'vjs-resize-manager',
+ tabIndex: -1
+ }, {
+ 'aria-hidden': 'true'
+ });
+ }
+ /**
+ * Called when a resize is triggered on the iframe or a resize is observed via the ResizeObserver
+ *
+ * @fires Player#playerresize
+ */
+ ;
+ _proto.resizeHandler = function resizeHandler() {
+ /**
+ * Called when the player size has changed
+ *
+ * @event Player#playerresize
+ * @type {EventTarget~Event}
+ */
+ // make sure player is still around to trigger
+ // prevents this from causing an error after dispose
+ if (!this.player_ || !this.player_.trigger) {
+ return;
+ }
- Html5.prototype.reset = function reset() {
- Html5.resetMediaElement(this.el_);
- };
+ this.player_.trigger('playerresize');
+ };
- /**
- * Get the current source on the `HTML5` Tech. Falls back to returning the source from
- * the HTML5 media element.
- *
- * @return {Tech~SourceObject}
- * The current source object from the HTML5 tech. With a fallback to the
- * elements source.
- */
+ _proto.dispose = function dispose() {
+ if (this.debouncedHandler_) {
+ this.debouncedHandler_.cancel();
+ }
+ if (this.resizeObserver_) {
+ if (this.player_.el()) {
+ this.resizeObserver_.unobserve(this.player_.el());
+ }
- Html5.prototype.currentSrc = function currentSrc() {
- if (this.currentSource_) {
- return this.currentSource_.src;
- }
- return this.el_.currentSrc;
- };
+ this.resizeObserver_.disconnect();
+ }
- /**
- * Set controls attribute for the HTML5 media Element.
- *
- * @param {string} val
- * Value to set the controls attribute to
- */
+ if (this.loadListener_) {
+ this.off('load', this.loadListener_);
+ }
+ if (this.el_ && this.el_.contentWindow && this.unloadListener_) {
+ this.unloadListener_.call(this.el_.contentWindow);
+ }
- Html5.prototype.setControls = function setControls(val) {
- this.el_.controls = !!val;
- };
+ this.ResizeObserver = null;
+ this.resizeObserver = null;
+ this.debouncedHandler_ = null;
+ this.loadListener_ = null;
- /**
- * Create and returns a remote {@link TextTrack} object.
- *
- * @param {string} kind
- * `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)
- *
- * @param {string} [label]
- * Label to identify the text track
- *
- * @param {string} [language]
- * Two letter language abbreviation
- *
- * @return {TextTrack}
- * The TextTrack that gets created.
- */
+ _Component.prototype.dispose.call(this);
+ };
+ return ResizeManager;
+ }(Component);
- Html5.prototype.addTextTrack = function addTextTrack(kind, label, language) {
- if (!this.featuresNativeTextTracks) {
- return _Tech.prototype.addTextTrack.call(this, kind, label, language);
- }
+ Component.registerComponent('ResizeManager', ResizeManager);
- return this.el_.addTextTrack(kind, label, language);
+ var defaults = {
+ trackingThreshold: 30,
+ liveTolerance: 15
};
+ /*
+ track when we are at the live edge, and other helpers for live playback */
/**
- * Creates either native TextTrack or an emulated TextTrack depending
- * on the value of `featuresNativeTextTracks`
- *
- * @param {Object} options
- * The object should contain the options to intialize the TextTrack with.
- *
- * @param {string} [options.kind]
- * `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata).
- *
- * @param {string} [options.label].
- * Label to identify the text track
- *
- * @param {string} [options.language]
- * Two letter language abbreviation.
- *
- * @param {boolean} [options.default]
- * Default this track to on.
- *
- * @param {string} [options.id]
- * The internal id to assign this track.
- *
- * @param {string} [options.src]
- * A source url for the track.
- *
- * @return {HTMLTrackElement}
- * The track element that gets created.
+ * A class for checking live current time and determining when the player
+ * is at or behind the live edge.
*/
+ var LiveTracker = /*#__PURE__*/function (_Component) {
+ inheritsLoose(LiveTracker, _Component);
- Html5.prototype.createRemoteTextTrack = function createRemoteTextTrack(options) {
- if (!this.featuresNativeTextTracks) {
- return _Tech.prototype.createRemoteTextTrack.call(this, options);
- }
- var htmlTrackElement = document_1.createElement('track');
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ *
+ * @param {number} [options.trackingThreshold=30]
+ * Number of seconds of live window (seekableEnd - seekableStart) that
+ * media needs to have before the liveui will be shown.
+ *
+ * @param {number} [options.liveTolerance=15]
+ * Number of seconds behind live that we have to be
+ * before we will be considered non-live. Note that this will only
+ * be used when playing at the live edge. This allows large seekable end
+ * changes to not effect wether we are live or not.
+ */
+ function LiveTracker(player, options) {
+ var _this;
- if (options.kind) {
- htmlTrackElement.kind = options.kind;
- }
- if (options.label) {
- htmlTrackElement.label = options.label;
- }
- if (options.language || options.srclang) {
- htmlTrackElement.srclang = options.language || options.srclang;
- }
- if (options['default']) {
- htmlTrackElement['default'] = options['default'];
- }
- if (options.id) {
- htmlTrackElement.id = options.id;
- }
- if (options.src) {
- htmlTrackElement.src = options.src;
- }
+ // LiveTracker does not need an element
+ var options_ = mergeOptions(defaults, options, {
+ createEl: false
+ });
+ _this = _Component.call(this, player, options_) || this;
- return htmlTrackElement;
- };
+ _this.reset_();
- /**
- * Creates a remote text track object and returns an html track element.
- *
- * @param {Object} options The object should contain values for
- * kind, language, label, and src (location of the WebVTT file)
- * @param {Boolean} [manualCleanup=true] if set to false, the TextTrack will be
- * automatically removed from the video element whenever the source changes
- * @return {HTMLTrackElement} An Html Track Element.
- * This can be an emulated {@link HTMLTrackElement} or a native one.
- * @deprecated The default value of the "manualCleanup" parameter will default
- * to "false" in upcoming versions of Video.js
- */
+ _this.on(_this.player_, 'durationchange', _this.handleDurationchange); // we don't need to track live playback if the document is hidden,
+ // also, tracking when the document is hidden can
+ // cause the CPU to spike and eventually crash the page on IE11.
- Html5.prototype.addRemoteTextTrack = function addRemoteTextTrack(options, manualCleanup) {
- var htmlTrackElement = _Tech.prototype.addRemoteTextTrack.call(this, options, manualCleanup);
+ if (IE_VERSION && 'hidden' in document && 'visibilityState' in document) {
+ _this.on(document, 'visibilitychange', _this.handleVisibilityChange);
+ }
- if (this.featuresNativeTextTracks) {
- this.el().appendChild(htmlTrackElement);
+ return _this;
}
+ /**
+ * toggle tracking based on document visiblility
+ */
- return htmlTrackElement;
- };
- /**
- * Remove remote `TextTrack` from `TextTrackList` object
- *
- * @param {TextTrack} track
- * `TextTrack` object to remove
- */
+ var _proto = LiveTracker.prototype;
+
+ _proto.handleVisibilityChange = function handleVisibilityChange() {
+ if (this.player_.duration() !== Infinity) {
+ return;
+ }
+
+ if (document.hidden) {
+ this.stopTracking();
+ } else {
+ this.startTracking();
+ }
+ }
+ /**
+ * all the functionality for tracking when seek end changes
+ * and for tracking how far past seek end we should be
+ */
+ ;
+ _proto.trackLive_ = function trackLive_() {
+ var seekable = this.player_.seekable(); // skip undefined seekable
- Html5.prototype.removeRemoteTextTrack = function removeRemoteTextTrack(track) {
- _Tech.prototype.removeRemoteTextTrack.call(this, track);
+ if (!seekable || !seekable.length) {
+ return;
+ }
- if (this.featuresNativeTextTracks) {
- var tracks = this.$$('track');
+ var newTime = Number(window$3.performance.now().toFixed(4));
+ var deltaTime = this.lastTime_ === -1 ? 0 : (newTime - this.lastTime_) / 1000;
+ this.lastTime_ = newTime;
+ this.pastSeekEnd_ = this.pastSeekEnd() + deltaTime;
+ var liveCurrentTime = this.liveCurrentTime();
+ var currentTime = this.player_.currentTime(); // we are behind live if any are true
+ // 1. the player is paused
+ // 2. the user seeked to a location 2 seconds away from live
+ // 3. the difference between live and current time is greater
+ // liveTolerance which defaults to 15s
+
+ var isBehind = this.player_.paused() || this.seekedBehindLive_ || Math.abs(liveCurrentTime - currentTime) > this.options_.liveTolerance; // we cannot be behind if
+ // 1. until we have not seen a timeupdate yet
+ // 2. liveCurrentTime is Infinity, which happens on Android
+
+ if (!this.timeupdateSeen_ || liveCurrentTime === Infinity) {
+ isBehind = false;
+ }
- var i = tracks.length;
+ if (isBehind !== this.behindLiveEdge_) {
+ this.behindLiveEdge_ = isBehind;
+ this.trigger('liveedgechange');
+ }
+ }
+ /**
+ * handle a durationchange event on the player
+ * and start/stop tracking accordingly.
+ */
+ ;
- while (i--) {
- if (track === tracks[i] || track === tracks[i].track) {
- this.el().removeChild(tracks[i]);
+ _proto.handleDurationchange = function handleDurationchange() {
+ if (this.player_.duration() === Infinity && this.liveWindow() >= this.options_.trackingThreshold) {
+ if (this.player_.options_.liveui) {
+ this.player_.addClass('vjs-liveui');
}
+
+ this.startTracking();
+ } else {
+ this.player_.removeClass('vjs-liveui');
+ this.stopTracking();
}
}
- };
+ /**
+ * start tracking live playback
+ */
+ ;
- /**
- * Gets available media playback quality metrics as specified by the W3C's Media
- * Playback Quality API.
- *
- * @see [Spec]{@link https://wicg.github.io/media-playback-quality}
- *
- * @return {Object}
- * An object with supported media playback quality metrics
- */
+ _proto.startTracking = function startTracking() {
+ if (this.isTracking()) {
+ return;
+ } // If we haven't seen a timeupdate, we need to check whether playback
+ // began before this component started tracking. This can happen commonly
+ // when using autoplay.
- Html5.prototype.getVideoPlaybackQuality = function getVideoPlaybackQuality() {
- if (typeof this.el().getVideoPlaybackQuality === 'function') {
- return this.el().getVideoPlaybackQuality();
- }
+ if (!this.timeupdateSeen_) {
+ this.timeupdateSeen_ = this.player_.hasStarted();
+ }
- var videoPlaybackQuality = {};
+ this.trackingInterval_ = this.setInterval(this.trackLive_, UPDATE_REFRESH_INTERVAL);
+ this.trackLive_();
+ this.on(this.player_, ['play', 'pause'], this.trackLive_);
- if (typeof this.el().webkitDroppedFrameCount !== 'undefined' && typeof this.el().webkitDecodedFrameCount !== 'undefined') {
- videoPlaybackQuality.droppedVideoFrames = this.el().webkitDroppedFrameCount;
- videoPlaybackQuality.totalVideoFrames = this.el().webkitDecodedFrameCount;
+ if (!this.timeupdateSeen_) {
+ this.one(this.player_, 'play', this.handlePlay);
+ this.one(this.player_, 'timeupdate', this.handleFirstTimeupdate);
+ } else {
+ this.on(this.player_, 'seeked', this.handleSeeked);
+ }
}
+ /**
+ * handle the first timeupdate on the player if it wasn't already playing
+ * when live tracker started tracking.
+ */
+ ;
- if (window_1.performance && typeof window_1.performance.now === 'function') {
- videoPlaybackQuality.creationTime = window_1.performance.now();
- } else if (window_1.performance && window_1.performance.timing && typeof window_1.performance.timing.navigationStart === 'number') {
- videoPlaybackQuality.creationTime = window_1.Date.now() - window_1.performance.timing.navigationStart;
+ _proto.handleFirstTimeupdate = function handleFirstTimeupdate() {
+ this.timeupdateSeen_ = true;
+ this.on(this.player_, 'seeked', this.handleSeeked);
}
+ /**
+ * Keep track of what time a seek starts, and listen for seeked
+ * to find where a seek ends.
+ */
+ ;
- return videoPlaybackQuality;
- };
-
- return Html5;
-}(Tech);
+ _proto.handleSeeked = function handleSeeked() {
+ var timeDiff = Math.abs(this.liveCurrentTime() - this.player_.currentTime());
+ this.seekedBehindLive_ = this.skipNextSeeked_ ? false : timeDiff > 2;
+ this.skipNextSeeked_ = false;
+ this.trackLive_();
+ }
+ /**
+ * handle the first play on the player, and make sure that we seek
+ * right to the live edge.
+ */
+ ;
-/* HTML5 Support Testing ---------------------------------------------------- */
+ _proto.handlePlay = function handlePlay() {
+ this.one(this.player_, 'timeupdate', this.seekToLiveEdge);
+ }
+ /**
+ * Stop tracking, and set all internal variables to
+ * their initial value.
+ */
+ ;
+
+ _proto.reset_ = function reset_() {
+ this.lastTime_ = -1;
+ this.pastSeekEnd_ = 0;
+ this.lastSeekEnd_ = -1;
+ this.behindLiveEdge_ = true;
+ this.timeupdateSeen_ = false;
+ this.seekedBehindLive_ = false;
+ this.skipNextSeeked_ = false;
+ this.clearInterval(this.trackingInterval_);
+ this.trackingInterval_ = null;
+ this.off(this.player_, ['play', 'pause'], this.trackLive_);
+ this.off(this.player_, 'seeked', this.handleSeeked);
+ this.off(this.player_, 'play', this.handlePlay);
+ this.off(this.player_, 'timeupdate', this.handleFirstTimeupdate);
+ this.off(this.player_, 'timeupdate', this.seekToLiveEdge);
+ }
+ /**
+ * stop tracking live playback
+ */
+ ;
-if (isReal()) {
+ _proto.stopTracking = function stopTracking() {
+ if (!this.isTracking()) {
+ return;
+ }
- /**
- * Element for testing browser HTML5 media capabilities
- *
- * @type {Element}
- * @constant
- * @private
- */
- Html5.TEST_VID = document_1.createElement('video');
- var track = document_1.createElement('track');
+ this.reset_();
+ this.trigger('liveedgechange');
+ }
+ /**
+ * A helper to get the player seekable end
+ * so that we don't have to null check everywhere
+ *
+ * @return {number}
+ * The furthest seekable end or Infinity.
+ */
+ ;
- track.kind = 'captions';
- track.srclang = 'en';
- track.label = 'English';
- Html5.TEST_VID.appendChild(track);
-}
+ _proto.seekableEnd = function seekableEnd() {
+ var seekable = this.player_.seekable();
+ var seekableEnds = [];
+ var i = seekable ? seekable.length : 0;
-/**
- * Check if HTML5 media is supported by this browser/device.
- *
- * @return {boolean}
- * - True if HTML5 media is supported.
- * - False if HTML5 media is not supported.
- */
-Html5.isSupported = function () {
- // IE9 with no Media Player is a LIAR! (#984)
- try {
- Html5.TEST_VID.volume = 0.5;
- } catch (e) {
- return false;
- }
+ while (i--) {
+ seekableEnds.push(seekable.end(i));
+ } // grab the furthest seekable end after sorting, or if there are none
+ // default to Infinity
- return !!(Html5.TEST_VID && Html5.TEST_VID.canPlayType);
-};
-/**
- * Check if the tech can support the given type
- *
- * @param {string} type
- * The mimetype to check
- * @return {string} 'probably', 'maybe', or '' (empty string)
- */
-Html5.canPlayType = function (type) {
- return Html5.TEST_VID.canPlayType(type);
-};
+ return seekableEnds.length ? seekableEnds.sort()[seekableEnds.length - 1] : Infinity;
+ }
+ /**
+ * A helper to get the player seekable start
+ * so that we don't have to null check everywhere
+ *
+ * @return {number}
+ * The earliest seekable start or 0.
+ */
+ ;
-/**
- * Check if the tech can support the given source
- * @param {Object} srcObj
- * The source object
- * @param {Object} options
- * The options passed to the tech
- * @return {string} 'probably', 'maybe', or '' (empty string)
- */
-Html5.canPlaySource = function (srcObj, options) {
- return Html5.canPlayType(srcObj.type);
-};
+ _proto.seekableStart = function seekableStart() {
+ var seekable = this.player_.seekable();
+ var seekableStarts = [];
+ var i = seekable ? seekable.length : 0;
-/**
- * Check if the volume can be changed in this browser/device.
- * Volume cannot be changed in a lot of mobile devices.
- * Specifically, it can't be changed from 1 on iOS.
- *
- * @return {boolean}
- * - True if volume can be controlled
- * - False otherwise
- */
-Html5.canControlVolume = function () {
- // IE will error if Windows Media Player not installed #3315
- try {
- var volume = Html5.TEST_VID.volume;
+ while (i--) {
+ seekableStarts.push(seekable.start(i));
+ } // grab the first seekable start after sorting, or if there are none
+ // default to 0
- Html5.TEST_VID.volume = volume / 2 + 0.1;
- return volume !== Html5.TEST_VID.volume;
- } catch (e) {
- return false;
- }
-};
-/**
- * Check if the playback rate can be changed in this browser/device.
- *
- * @return {boolean}
- * - True if playback rate can be controlled
- * - False otherwise
- */
-Html5.canControlPlaybackRate = function () {
- // Playback rate API is implemented in Android Chrome, but doesn't do anything
- // https://github.com/videojs/video.js/issues/3180
- if (IS_ANDROID && IS_CHROME && CHROME_VERSION < 58) {
- return false;
- }
- // IE will error if Windows Media Player not installed #3315
- try {
- var playbackRate = Html5.TEST_VID.playbackRate;
+ return seekableStarts.length ? seekableStarts.sort()[0] : 0;
+ }
+ /**
+ * Get the live time window aka
+ * the amount of time between seekable start and
+ * live current time.
+ *
+ * @return {number}
+ * The amount of seconds that are seekable in
+ * the live video.
+ */
+ ;
- Html5.TEST_VID.playbackRate = playbackRate / 2 + 0.1;
- return playbackRate !== Html5.TEST_VID.playbackRate;
- } catch (e) {
- return false;
- }
-};
+ _proto.liveWindow = function liveWindow() {
+ var liveCurrentTime = this.liveCurrentTime();
-/**
- * Check to see if native `TextTrack`s are supported by this browser/device.
- *
- * @return {boolean}
- * - True if native `TextTrack`s are supported.
- * - False otherwise
- */
-Html5.supportsNativeTextTracks = function () {
- return IS_ANY_SAFARI;
-};
+ if (liveCurrentTime === Infinity) {
+ return Infinity;
+ }
-/**
- * Check to see if native `VideoTrack`s are supported by this browser/device
- *
- * @return {boolean}
- * - True if native `VideoTrack`s are supported.
- * - False otherwise
- */
-Html5.supportsNativeVideoTracks = function () {
- return !!(Html5.TEST_VID && Html5.TEST_VID.videoTracks);
-};
+ return liveCurrentTime - this.seekableStart();
+ }
+ /**
+ * Determines if the player is live, only checks if this component
+ * is tracking live playback or not
+ *
+ * @return {boolean}
+ * Wether liveTracker is tracking
+ */
+ ;
-/**
- * Check to see if native `AudioTrack`s are supported by this browser/device
- *
- * @return {boolean}
- * - True if native `AudioTrack`s are supported.
- * - False otherwise
- */
-Html5.supportsNativeAudioTracks = function () {
- return !!(Html5.TEST_VID && Html5.TEST_VID.audioTracks);
-};
+ _proto.isLive = function isLive() {
+ return this.isTracking();
+ }
+ /**
+ * Determines if currentTime is at the live edge and won't fall behind
+ * on each seekableendchange
+ *
+ * @return {boolean}
+ * Wether playback is at the live edge
+ */
+ ;
-/**
- * An array of events available on the Html5 tech.
- *
- * @private
- * @type {Array}
- */
-Html5.Events = ['loadstart', 'suspend', 'abort', 'error', 'emptied', 'stalled', 'loadedmetadata', 'loadeddata', 'canplay', 'canplaythrough', 'playing', 'waiting', 'seeking', 'seeked', 'ended', 'durationchange', 'timeupdate', 'progress', 'play', 'pause', 'ratechange', 'resize', 'volumechange'];
+ _proto.atLiveEdge = function atLiveEdge() {
+ return !this.behindLiveEdge();
+ }
+ /**
+ * get what we expect the live current time to be
+ *
+ * @return {number}
+ * The expected live current time
+ */
+ ;
-/**
- * Boolean indicating whether the `Tech` supports volume control.
- *
- * @type {boolean}
- * @default {@link Html5.canControlVolume}
- */
-Html5.prototype.featuresVolumeControl = Html5.canControlVolume();
+ _proto.liveCurrentTime = function liveCurrentTime() {
+ return this.pastSeekEnd() + this.seekableEnd();
+ }
+ /**
+ * The number of seconds that have occured after seekable end
+ * changed. This will be reset to 0 once seekable end changes.
+ *
+ * @return {number}
+ * Seconds past the current seekable end
+ */
+ ;
-/**
- * Boolean indicating whether the `Tech` supports changing the speed at which the media
- * plays. Examples:
- * - Set player to play 2x (twice) as fast
- * - Set player to play 0.5x (half) as fast
- *
- * @type {boolean}
- * @default {@link Html5.canControlPlaybackRate}
- */
-Html5.prototype.featuresPlaybackRate = Html5.canControlPlaybackRate();
+ _proto.pastSeekEnd = function pastSeekEnd() {
+ var seekableEnd = this.seekableEnd();
-/**
- * Boolean indicating whether the `HTML5` tech currently supports the media element
- * moving in the DOM. iOS breaks if you move the media element, so this is set this to
- * false there. Everywhere else this should be true.
- *
- * @type {boolean}
- * @default
- */
-Html5.prototype.movingMediaElementInDOM = !IS_IOS;
+ if (this.lastSeekEnd_ !== -1 && seekableEnd !== this.lastSeekEnd_) {
+ this.pastSeekEnd_ = 0;
+ }
-// TODO: Previous comment: No longer appears to be used. Can probably be removed.
-// Is this true?
-/**
- * Boolean indicating whether the `HTML5` tech currently supports automatic media resize
- * when going into fullscreen.
- *
- * @type {boolean}
- * @default
- */
-Html5.prototype.featuresFullscreenResize = true;
+ this.lastSeekEnd_ = seekableEnd;
+ return this.pastSeekEnd_;
+ }
+ /**
+ * If we are currently behind the live edge, aka currentTime will be
+ * behind on a seekableendchange
+ *
+ * @return {boolean}
+ * If we are behind the live edge
+ */
+ ;
-/**
- * Boolean indicating whether the `HTML5` tech currently supports the progress event.
- * If this is false, manual `progress` events will be triggred instead.
- *
- * @type {boolean}
- * @default
- */
-Html5.prototype.featuresProgressEvents = true;
+ _proto.behindLiveEdge = function behindLiveEdge() {
+ return this.behindLiveEdge_;
+ }
+ /**
+ * Wether live tracker is currently tracking or not.
+ */
+ ;
-/**
- * Boolean indicating whether the `HTML5` tech currently supports the timeupdate event.
- * If this is false, manual `timeupdate` events will be triggred instead.
- *
- * @default
- */
-Html5.prototype.featuresTimeupdateEvents = true;
+ _proto.isTracking = function isTracking() {
+ return typeof this.trackingInterval_ === 'number';
+ }
+ /**
+ * Seek to the live edge if we are behind the live edge
+ */
+ ;
-/**
- * Boolean indicating whether the `HTML5` tech currently supports native `TextTrack`s.
- *
- * @type {boolean}
- * @default {@link Html5.supportsNativeTextTracks}
- */
-Html5.prototype.featuresNativeTextTracks = Html5.supportsNativeTextTracks();
+ _proto.seekToLiveEdge = function seekToLiveEdge() {
+ this.seekedBehindLive_ = false;
-/**
- * Boolean indicating whether the `HTML5` tech currently supports native `VideoTrack`s.
- *
- * @type {boolean}
- * @default {@link Html5.supportsNativeVideoTracks}
- */
-Html5.prototype.featuresNativeVideoTracks = Html5.supportsNativeVideoTracks();
+ if (this.atLiveEdge()) {
+ return;
+ } // skipNextSeeked_
-/**
- * Boolean indicating whether the `HTML5` tech currently supports native `AudioTrack`s.
- *
- * @type {boolean}
- * @default {@link Html5.supportsNativeAudioTracks}
- */
-Html5.prototype.featuresNativeAudioTracks = Html5.supportsNativeAudioTracks();
-// HTML5 Feature detection and Device Fixes --------------------------------- //
-var canPlayType = Html5.TEST_VID && Html5.TEST_VID.constructor.prototype.canPlayType;
-var mpegurlRE = /^application\/(?:x-|vnd\.apple\.)mpegurl/i;
-var mp4RE = /^video\/mp4/i;
+ this.skipNextSeeked_ = true;
+ this.player_.currentTime(this.liveCurrentTime());
+ }
+ /**
+ * Dispose of liveTracker
+ */
+ ;
-Html5.patchCanPlayType = function () {
+ _proto.dispose = function dispose() {
+ this.off(document, 'visibilitychange', this.handleVisibilityChange);
+ this.stopTracking();
- // Android 4.0 and above can play HLS to some extent but it reports being unable to do so
- // Firefox and Chrome report correctly
- if (ANDROID_VERSION >= 4.0 && !IS_FIREFOX && !IS_CHROME) {
- Html5.TEST_VID.constructor.prototype.canPlayType = function (type) {
- if (type && mpegurlRE.test(type)) {
- return 'maybe';
- }
- return canPlayType.call(this, type);
+ _Component.prototype.dispose.call(this);
};
- // Override Android 2.2 and less canPlayType method which is broken
- } else if (IS_OLD_ANDROID) {
- Html5.TEST_VID.constructor.prototype.canPlayType = function (type) {
- if (type && mp4RE.test(type)) {
- return 'maybe';
- }
- return canPlayType.call(this, type);
- };
- }
-};
+ return LiveTracker;
+ }(Component);
-Html5.unpatchCanPlayType = function () {
- var r = Html5.TEST_VID.constructor.prototype.canPlayType;
+ Component.registerComponent('LiveTracker', LiveTracker);
- Html5.TEST_VID.constructor.prototype.canPlayType = canPlayType;
- return r;
-};
+ /**
+ * This function is used to fire a sourceset when there is something
+ * similar to `mediaEl.load()` being called. It will try to find the source via
+ * the `src` attribute and then the `<source>` elements. It will then fire `sourceset`
+ * with the source that was found or empty string if we cannot know. If it cannot
+ * find a source then `sourceset` will not be fired.
+ *
+ * @param {Html5} tech
+ * The tech object that sourceset was setup on
+ *
+ * @return {boolean}
+ * returns false if the sourceset was not fired and true otherwise.
+ */
-// by default, patch the media element
-Html5.patchCanPlayType();
+ var sourcesetLoad = function sourcesetLoad(tech) {
+ var el = tech.el(); // if `el.src` is set, that source will be loaded.
-Html5.disposeMediaElement = function (el) {
- if (!el) {
- return;
- }
+ if (el.hasAttribute('src')) {
+ tech.triggerSourceset(el.src);
+ return true;
+ }
+ /**
+ * Since there isn't a src property on the media element, source elements will be used for
+ * implementing the source selection algorithm. This happens asynchronously and
+ * for most cases were there is more than one source we cannot tell what source will
+ * be loaded, without re-implementing the source selection algorithm. At this time we are not
+ * going to do that. There are three special cases that we do handle here though:
+ *
+ * 1. If there are no sources, do not fire `sourceset`.
+ * 2. If there is only one `<source>` with a `src` property/attribute that is our `src`
+ * 3. If there is more than one `<source>` but all of them have the same `src` url.
+ * That will be our src.
+ */
- if (el.parentNode) {
- el.parentNode.removeChild(el);
- }
- // remove any child track or source nodes to prevent their loading
- while (el.hasChildNodes()) {
- el.removeChild(el.firstChild);
- }
+ var sources = tech.$$('source');
+ var srcUrls = [];
+ var src = ''; // if there are no sources, do not fire sourceset
- // remove any src reference. not setting `src=''` because that causes a warning
- // in firefox
- el.removeAttribute('src');
+ if (!sources.length) {
+ return false;
+ } // only count valid/non-duplicate source elements
- // force the media element to update its loading state by calling load()
- // however IE on Windows 7N has a bug that throws an error so need a try/catch (#793)
- if (typeof el.load === 'function') {
- // wrapping in an iife so it's not deoptimized (#1060#discussion_r10324473)
- (function () {
- try {
- el.load();
- } catch (e) {
- // not supported
+
+ for (var i = 0; i < sources.length; i++) {
+ var url = sources[i].src;
+
+ if (url && srcUrls.indexOf(url) === -1) {
+ srcUrls.push(url);
}
- })();
- }
-};
+ } // there were no valid sources
-Html5.resetMediaElement = function (el) {
- if (!el) {
- return;
- }
- var sources = el.querySelectorAll('source');
- var i = sources.length;
+ if (!srcUrls.length) {
+ return false;
+ } // there is only one valid source element url
+ // use that
- while (i--) {
- el.removeChild(sources[i]);
- }
- // remove any src reference.
- // not setting `src=''` because that throws an error
- el.removeAttribute('src');
+ if (srcUrls.length === 1) {
+ src = srcUrls[0];
+ }
- if (typeof el.load === 'function') {
- // wrapping in an iife so it's not deoptimized (#1060#discussion_r10324473)
- (function () {
- try {
- el.load();
- } catch (e) {
- // satisfy linter
- }
- })();
- }
-};
+ tech.triggerSourceset(src);
+ return true;
+ };
+ /**
+ * our implementation of an `innerHTML` descriptor for browsers
+ * that do not have one.
+ */
-/* Native HTML5 element property wrapping ----------------------------------- */
-// Wrap native boolean attributes with getters that check both property and attribute
-// The list is as followed:
-// muted, defaultMuted, autoplay, controls, loop, playsinline
-[
-/**
- * Get the value of `muted` from the media element. `muted` indicates
- * that the volume for the media should be set to silent. This does not actually change
- * the `volume` attribute.
- *
- * @method Html5#muted
- * @return {boolean}
- * - True if the value of `volume` should be ignored and the audio set to silent.
- * - False if the value of `volume` should be used.
- *
- * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-muted}
- */
-'muted',
-/**
- * Get the value of `defaultMuted` from the media element. `defaultMuted` indicates
- * whether the media should start muted or not. Only changes the default state of the
- * media. `muted` and `defaultMuted` can have different values. {@link Html5#muted} indicates the
- * current state.
- *
- * @method Html5#defaultMuted
- * @return {boolean}
- * - The value of `defaultMuted` from the media element.
- * - True indicates that the media should start muted.
- * - False indicates that the media should not start muted
- *
- * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultmuted}
- */
-'defaultMuted',
+ var innerHTMLDescriptorPolyfill = Object.defineProperty({}, 'innerHTML', {
+ get: function get() {
+ return this.cloneNode(true).innerHTML;
+ },
+ set: function set(v) {
+ // make a dummy node to use innerHTML on
+ var dummy = document.createElement(this.nodeName.toLowerCase()); // set innerHTML to the value provided
-/**
- * Get the value of `autoplay` from the media element. `autoplay` indicates
- * that the media should start to play as soon as the page is ready.
- *
- * @method Html5#autoplay
- * @return {boolean}
- * - The value of `autoplay` from the media element.
- * - True indicates that the media should start as soon as the page loads.
- * - False indicates that the media should not start as soon as the page loads.
- *
- * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-autoplay}
- */
-'autoplay',
+ dummy.innerHTML = v; // make a document fragment to hold the nodes from dummy
-/**
- * Get the value of `controls` from the media element. `controls` indicates
- * whether the native media controls should be shown or hidden.
- *
- * @method Html5#controls
- * @return {boolean}
- * - The value of `controls` from the media element.
- * - True indicates that native controls should be showing.
- * - False indicates that native controls should be hidden.
- *
- * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-controls}
- */
-'controls',
+ var docFrag = document.createDocumentFragment(); // copy all of the nodes created by the innerHTML on dummy
+ // to the document fragment
-/**
- * Get the value of `loop` from the media element. `loop` indicates
- * that the media should return to the start of the media and continue playing once
- * it reaches the end.
- *
- * @method Html5#loop
- * @return {boolean}
- * - The value of `loop` from the media element.
- * - True indicates that playback should seek back to start once
- * the end of a media is reached.
- * - False indicates that playback should not loop back to the start when the
- * end of the media is reached.
- *
- * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-loop}
- */
-'loop',
+ while (dummy.childNodes.length) {
+ docFrag.appendChild(dummy.childNodes[0]);
+ } // remove content
-/**
- * Get the value of `playsinline` from the media element. `playsinline` indicates
- * to the browser that non-fullscreen playback is preferred when fullscreen
- * playback is the native default, such as in iOS Safari.
- *
- * @method Html5#playsinline
- * @return {boolean}
- * - The value of `playsinline` from the media element.
- * - True indicates that the media should play inline.
- * - False indicates that the media should not play inline.
- *
- * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}
- */
-'playsinline'].forEach(function (prop) {
- Html5.prototype[prop] = function () {
- return this.el_[prop] || this.el_.hasAttribute(prop);
- };
-});
-// Wrap native boolean attributes with setters that set both property and attribute
-// The list is as followed:
-// setMuted, setDefaultMuted, setAutoplay, setLoop, setPlaysinline
-// setControls is special-cased above
-[
-/**
- * Set the value of `muted` on the media element. `muted` indicates that the current
- * audio level should be silent.
- *
- * @method Html5#setMuted
- * @param {boolean} muted
- * - True if the audio should be set to silent
- * - False otherwise
- *
- * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-muted}
- */
-'muted',
+ this.innerText = ''; // now we add all of that html in one by appending the
+ // document fragment. This is how innerHTML does it.
-/**
- * Set the value of `defaultMuted` on the media element. `defaultMuted` indicates that the current
- * audio level should be silent, but will only effect the muted level on intial playback..
- *
- * @method Html5.prototype.setDefaultMuted
- * @param {boolean} defaultMuted
- * - True if the audio should be set to silent
- * - False otherwise
- *
- * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultmuted}
- */
-'defaultMuted',
+ window$3.Element.prototype.appendChild.call(this, docFrag); // then return the result that innerHTML's setter would
-/**
- * Set the value of `autoplay` on the media element. `autoplay` indicates
- * that the media should start to play as soon as the page is ready.
- *
- * @method Html5#setAutoplay
- * @param {boolean} autoplay
- * - True indicates that the media should start as soon as the page loads.
- * - False indicates that the media should not start as soon as the page loads.
- *
- * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-autoplay}
- */
-'autoplay',
+ return this.innerHTML;
+ }
+ });
+ /**
+ * Get a property descriptor given a list of priorities and the
+ * property to get.
+ */
-/**
- * Set the value of `loop` on the media element. `loop` indicates
- * that the media should return to the start of the media and continue playing once
- * it reaches the end.
- *
- * @method Html5#setLoop
- * @param {boolean} loop
- * - True indicates that playback should seek back to start once
- * the end of a media is reached.
- * - False indicates that playback should not loop back to the start when the
- * end of the media is reached.
- *
- * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-loop}
- */
-'loop',
+ var getDescriptor = function getDescriptor(priority, prop) {
+ var descriptor = {};
-/**
- * Set the value of `playsinline` from the media element. `playsinline` indicates
- * to the browser that non-fullscreen playback is preferred when fullscreen
- * playback is the native default, such as in iOS Safari.
- *
- * @method Html5#setPlaysinline
- * @param {boolean} playsinline
- * - True indicates that the media should play inline.
- * - False indicates that the media should not play inline.
- *
- * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}
- */
-'playsinline'].forEach(function (prop) {
- Html5.prototype['set' + toTitleCase(prop)] = function (v) {
- this.el_[prop] = v;
+ for (var i = 0; i < priority.length; i++) {
+ descriptor = Object.getOwnPropertyDescriptor(priority[i], prop);
- if (v) {
- this.el_.setAttribute(prop, prop);
- } else {
- this.el_.removeAttribute(prop);
+ if (descriptor && descriptor.set && descriptor.get) {
+ break;
+ }
}
+
+ descriptor.enumerable = true;
+ descriptor.configurable = true;
+ return descriptor;
};
-});
-// Wrap native properties with a getter
-// The list is as followed
-// paused, currentTime, buffered, volume, poster, preload, error, seeking
-// seekable, ended, playbackRate, defaultPlaybackRate, played, networkState
-// readyState, videoWidth, videoHeight
-[
-/**
- * Get the value of `paused` from the media element. `paused` indicates whether the media element
- * is currently paused or not.
- *
- * @method Html5#paused
- * @return {boolean}
- * The value of `paused` from the media element.
- *
- * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-paused}
- */
-'paused',
+ var getInnerHTMLDescriptor = function getInnerHTMLDescriptor(tech) {
+ return getDescriptor([tech.el(), window$3.HTMLMediaElement.prototype, window$3.Element.prototype, innerHTMLDescriptorPolyfill], 'innerHTML');
+ };
+ /**
+ * Patches browser internal functions so that we can tell synchronously
+ * if a `<source>` was appended to the media element. For some reason this
+ * causes a `sourceset` if the the media element is ready and has no source.
+ * This happens when:
+ * - The page has just loaded and the media element does not have a source.
+ * - The media element was emptied of all sources, then `load()` was called.
+ *
+ * It does this by patching the following functions/properties when they are supported:
+ *
+ * - `append()` - can be used to add a `<source>` element to the media element
+ * - `appendChild()` - can be used to add a `<source>` element to the media element
+ * - `insertAdjacentHTML()` - can be used to add a `<source>` element to the media element
+ * - `innerHTML` - can be used to add a `<source>` element to the media element
+ *
+ * @param {Html5} tech
+ * The tech object that sourceset is being setup on.
+ */
-/**
- * Get the value of `currentTime` from the media element. `currentTime` indicates
- * the current second that the media is at in playback.
- *
- * @method Html5#currentTime
- * @return {number}
- * The value of `currentTime` from the media element.
- *
- * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-currenttime}
- */
-'currentTime',
-/**
- * Get the value of `buffered` from the media element. `buffered` is a `TimeRange`
- * object that represents the parts of the media that are already downloaded and
- * available for playback.
- *
- * @method Html5#buffered
- * @return {TimeRange}
- * The value of `buffered` from the media element.
- *
- * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-buffered}
- */
-'buffered',
+ var firstSourceWatch = function firstSourceWatch(tech) {
+ var el = tech.el(); // make sure firstSourceWatch isn't setup twice.
-/**
- * Get the value of `volume` from the media element. `volume` indicates
- * the current playback volume of audio for a media. `volume` will be a value from 0
- * (silent) to 1 (loudest and default).
- *
- * @method Html5#volume
- * @return {number}
- * The value of `volume` from the media element. Value will be between 0-1.
- *
- * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-a-volume}
- */
-'volume',
+ if (el.resetSourceWatch_) {
+ return;
+ }
-/**
- * Get the value of `poster` from the media element. `poster` indicates
- * that the url of an image file that can/will be shown when no media data is available.
- *
- * @method Html5#poster
- * @return {string}
- * The value of `poster` from the media element. Value will be a url to an
- * image.
- *
- * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-video-poster}
- */
-'poster',
+ var old = {};
+ var innerDescriptor = getInnerHTMLDescriptor(tech);
-/**
- * Get the value of `preload` from the media element. `preload` indicates
- * what should download before the media is interacted with. It can have the following
- * values:
- * - none: nothing should be downloaded
- * - metadata: poster and the first few frames of the media may be downloaded to get
- * media dimensions and other metadata
- * - auto: allow the media and metadata for the media to be downloaded before
- * interaction
- *
- * @method Html5#preload
- * @return {string}
- * The value of `preload` from the media element. Will be 'none', 'metadata',
- * or 'auto'.
- *
- * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-preload}
- */
-'preload',
+ var appendWrapper = function appendWrapper(appendFn) {
+ return function () {
+ for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
+ args[_key] = arguments[_key];
+ }
-/**
- * Get the value of the `error` from the media element. `error` indicates any
- * MediaError that may have occured during playback. If error returns null there is no
- * current error.
- *
- * @method Html5#error
- * @return {MediaError|null}
- * The value of `error` from the media element. Will be `MediaError` if there
- * is a current error and null otherwise.
- *
- * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-error}
- */
-'error',
+ var retval = appendFn.apply(el, args);
+ sourcesetLoad(tech);
+ return retval;
+ };
+ };
-/**
- * Get the value of `seeking` from the media element. `seeking` indicates whether the
- * media is currently seeking to a new position or not.
- *
- * @method Html5#seeking
- * @return {boolean}
- * - The value of `seeking` from the media element.
- * - True indicates that the media is currently seeking to a new position.
- * - Flase indicates that the media is not seeking to a new position at this time.
- *
- * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-seeking}
- */
-'seeking',
+ ['append', 'appendChild', 'insertAdjacentHTML'].forEach(function (k) {
+ if (!el[k]) {
+ return;
+ } // store the old function
-/**
- * Get the value of `seekable` from the media element. `seekable` returns a
- * `TimeRange` object indicating ranges of time that can currently be `seeked` to.
- *
- * @method Html5#seekable
- * @return {TimeRange}
- * The value of `seekable` from the media element. A `TimeRange` object
- * indicating the current ranges of time that can be seeked to.
- *
- * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-seekable}
- */
-'seekable',
-/**
- * Get the value of `ended` from the media element. `ended` indicates whether
- * the media has reached the end or not.
- *
- * @method Html5#ended
- * @return {boolean}
- * - The value of `ended` from the media element.
- * - True indicates that the media has ended.
- * - False indicates that the media has not ended.
- *
- * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-ended}
- */
-'ended',
+ old[k] = el[k]; // call the old function with a sourceset if a source
+ // was loaded
-/**
- * Get the value of `playbackRate` from the media element. `playbackRate` indicates
- * the rate at which the media is currently playing back. Examples:
- * - if playbackRate is set to 2, media will play twice as fast.
- * - if playbackRate is set to 0.5, media will play half as fast.
- *
- * @method Html5#playbackRate
- * @return {number}
- * The value of `playbackRate` from the media element. A number indicating
- * the current playback speed of the media, where 1 is normal speed.
- *
- * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}
- */
-'playbackRate',
+ el[k] = appendWrapper(old[k]);
+ });
+ Object.defineProperty(el, 'innerHTML', mergeOptions(innerDescriptor, {
+ set: appendWrapper(innerDescriptor.set)
+ }));
-/**
- * Get the value of `defaultPlaybackRate` from the media element. `defaultPlaybackRate` indicates
- * the rate at which the media is currently playing back. This value will not indicate the current
- * `playbackRate` after playback has started, use {@link Html5#playbackRate} for that.
- *
- * Examples:
- * - if defaultPlaybackRate is set to 2, media will play twice as fast.
- * - if defaultPlaybackRate is set to 0.5, media will play half as fast.
- *
- * @method Html5.prototype.defaultPlaybackRate
- * @return {number}
- * The value of `defaultPlaybackRate` from the media element. A number indicating
- * the current playback speed of the media, where 1 is normal speed.
- *
- * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}
- */
-'defaultPlaybackRate',
+ el.resetSourceWatch_ = function () {
+ el.resetSourceWatch_ = null;
+ Object.keys(old).forEach(function (k) {
+ el[k] = old[k];
+ });
+ Object.defineProperty(el, 'innerHTML', innerDescriptor);
+ }; // on the first sourceset, we need to revert our changes
-/**
- * Get the value of `played` from the media element. `played` returns a `TimeRange`
- * object representing points in the media timeline that have been played.
- *
- * @method Html5#played
- * @return {TimeRange}
- * The value of `played` from the media element. A `TimeRange` object indicating
- * the ranges of time that have been played.
- *
- * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-played}
- */
-'played',
-/**
- * Get the value of `networkState` from the media element. `networkState` indicates
- * the current network state. It returns an enumeration from the following list:
- * - 0: NETWORK_EMPTY
- * - 1: NEWORK_IDLE
- * - 2: NETWORK_LOADING
- * - 3: NETWORK_NO_SOURCE
- *
- * @method Html5#networkState
- * @return {number}
- * The value of `networkState` from the media element. This will be a number
- * from the list in the description.
- *
- * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-networkstate}
- */
-'networkState',
+ tech.one('sourceset', el.resetSourceWatch_);
+ };
+ /**
+ * our implementation of a `src` descriptor for browsers
+ * that do not have one.
+ */
-/**
- * Get the value of `readyState` from the media element. `readyState` indicates
- * the current state of the media element. It returns an enumeration from the
- * following list:
- * - 0: HAVE_NOTHING
- * - 1: HAVE_METADATA
- * - 2: HAVE_CURRENT_DATA
- * - 3: HAVE_FUTURE_DATA
- * - 4: HAVE_ENOUGH_DATA
- *
- * @method Html5#readyState
- * @return {number}
- * The value of `readyState` from the media element. This will be a number
- * from the list in the description.
- *
- * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#ready-states}
- */
-'readyState',
-/**
- * Get the value of `videoWidth` from the video element. `videoWidth` indicates
- * the current width of the video in css pixels.
- *
- * @method Html5#videoWidth
- * @return {number}
- * The value of `videoWidth` from the video element. This will be a number
- * in css pixels.
- *
- * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-video-videowidth}
- */
-'videoWidth',
+ var srcDescriptorPolyfill = Object.defineProperty({}, 'src', {
+ get: function get() {
+ if (this.hasAttribute('src')) {
+ return getAbsoluteURL(window$3.Element.prototype.getAttribute.call(this, 'src'));
+ }
-/**
- * Get the value of `videoHeight` from the video element. `videoHeigth` indicates
- * the current height of the video in css pixels.
- *
- * @method Html5#videoHeight
- * @return {number}
- * The value of `videoHeight` from the video element. This will be a number
- * in css pixels.
- *
- * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-video-videowidth}
- */
-'videoHeight'].forEach(function (prop) {
- Html5.prototype[prop] = function () {
- return this.el_[prop];
- };
-});
+ return '';
+ },
+ set: function set(v) {
+ window$3.Element.prototype.setAttribute.call(this, 'src', v);
+ return v;
+ }
+ });
-// Wrap native properties with a setter in this format:
-// set + toTitleCase(name)
-// The list is as follows:
-// setVolume, setSrc, setPoster, setPreload, setPlaybackRate, setDefaultPlaybackRate
-[
-/**
- * Set the value of `volume` on the media element. `volume` indicates the current
- * audio level as a percentage in decimal form. This means that 1 is 100%, 0.5 is 50%, and
- * so on.
- *
- * @method Html5#setVolume
- * @param {number} percentAsDecimal
- * The volume percent as a decimal. Valid range is from 0-1.
- *
- * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-a-volume}
- */
-'volume',
+ var getSrcDescriptor = function getSrcDescriptor(tech) {
+ return getDescriptor([tech.el(), window$3.HTMLMediaElement.prototype, srcDescriptorPolyfill], 'src');
+ };
+ /**
+ * setup `sourceset` handling on the `Html5` tech. This function
+ * patches the following element properties/functions:
+ *
+ * - `src` - to determine when `src` is set
+ * - `setAttribute()` - to determine when `src` is set
+ * - `load()` - this re-triggers the source selection algorithm, and can
+ * cause a sourceset.
+ *
+ * If there is no source when we are adding `sourceset` support or during a `load()`
+ * we also patch the functions listed in `firstSourceWatch`.
+ *
+ * @param {Html5} tech
+ * The tech to patch
+ */
-/**
- * Set the value of `src` on the media element. `src` indicates the current
- * {@link Tech~SourceObject} for the media.
- *
- * @method Html5#setSrc
- * @param {Tech~SourceObject} src
- * The source object to set as the current source.
- *
- * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-src}
- */
-'src',
-/**
- * Set the value of `poster` on the media element. `poster` is the url to
- * an image file that can/will be shown when no media data is available.
- *
- * @method Html5#setPoster
- * @param {string} poster
- * The url to an image that should be used as the `poster` for the media
- * element.
- *
- * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-poster}
- */
-'poster',
+ var setupSourceset = function setupSourceset(tech) {
+ if (!tech.featuresSourceset) {
+ return;
+ }
-/**
- * Set the value of `preload` on the media element. `preload` indicates
- * what should download before the media is interacted with. It can have the following
- * values:
- * - none: nothing should be downloaded
- * - metadata: poster and the first few frames of the media may be downloaded to get
- * media dimensions and other metadata
- * - auto: allow the media and metadata for the media to be downloaded before
- * interaction
- *
- * @method Html5#setPreload
- * @param {string} preload
- * The value of `preload` to set on the media element. Must be 'none', 'metadata',
- * or 'auto'.
- *
- * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-preload}
- */
-'preload',
+ var el = tech.el(); // make sure sourceset isn't setup twice.
-/**
- * Set the value of `playbackRate` on the media element. `playbackRate` indicates
- * the rate at which the media should play back. Examples:
- * - if playbackRate is set to 2, media will play twice as fast.
- * - if playbackRate is set to 0.5, media will play half as fast.
- *
- * @method Html5#setPlaybackRate
- * @return {number}
- * The value of `playbackRate` from the media element. A number indicating
- * the current playback speed of the media, where 1 is normal speed.
- *
- * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}
- */
-'playbackRate',
+ if (el.resetSourceset_) {
+ return;
+ }
-/**
- * Set the value of `defaultPlaybackRate` on the media element. `defaultPlaybackRate` indicates
- * the rate at which the media should play back upon initial startup. Changing this value
- * after a video has started will do nothing. Instead you should used {@link Html5#setPlaybackRate}.
- *
- * Example Values:
- * - if playbackRate is set to 2, media will play twice as fast.
- * - if playbackRate is set to 0.5, media will play half as fast.
- *
- * @method Html5.prototype.setDefaultPlaybackRate
- * @return {number}
- * The value of `defaultPlaybackRate` from the media element. A number indicating
- * the current playback speed of the media, where 1 is normal speed.
- *
- * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultplaybackrate}
- */
-'defaultPlaybackRate'].forEach(function (prop) {
- Html5.prototype['set' + toTitleCase(prop)] = function (v) {
- this.el_[prop] = v;
- };
-});
+ var srcDescriptor = getSrcDescriptor(tech);
+ var oldSetAttribute = el.setAttribute;
+ var oldLoad = el.load;
+ Object.defineProperty(el, 'src', mergeOptions(srcDescriptor, {
+ set: function set(v) {
+ var retval = srcDescriptor.set.call(el, v); // we use the getter here to get the actual value set on src
-// wrap native functions with a function
-// The list is as follows:
-// pause, load play
-[
-/**
- * A wrapper around the media elements `pause` function. This will call the `HTML5`
- * media elements `pause` function.
- *
- * @method Html5#pause
- * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-pause}
- */
-'pause',
+ tech.triggerSourceset(el.src);
+ return retval;
+ }
+ }));
-/**
- * A wrapper around the media elements `load` function. This will call the `HTML5`s
- * media element `load` function.
- *
- * @method Html5#load
- * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-load}
- */
-'load',
+ el.setAttribute = function (n, v) {
+ var retval = oldSetAttribute.call(el, n, v);
-/**
- * A wrapper around the media elements `play` function. This will call the `HTML5`s
- * media element `play` function.
- *
- * @method Html5#play
- * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-play}
- */
-'play'].forEach(function (prop) {
- Html5.prototype[prop] = function () {
- return this.el_[prop]();
- };
-});
+ if (/src/i.test(n)) {
+ tech.triggerSourceset(el.src);
+ }
-Tech.withSourceHandlers(Html5);
+ return retval;
+ };
-/**
- * Native source handler for Html5, simply passes the source to the media element.
- *
- * @proprety {Tech~SourceObject} source
- * The source object
- *
- * @proprety {Html5} tech
- * The instance of the HTML5 tech.
- */
-Html5.nativeSourceHandler = {};
+ el.load = function () {
+ var retval = oldLoad.call(el); // if load was called, but there was no source to fire
+ // sourceset on. We have to watch for a source append
+ // as that can trigger a `sourceset` when the media element
+ // has no source
-/**
- * Check if the media element can play the given mime type.
- *
- * @param {string} type
- * The mimetype to check
- *
- * @return {string}
- * 'probably', 'maybe', or '' (empty string)
- */
-Html5.nativeSourceHandler.canPlayType = function (type) {
- // IE9 on Windows 7 without MediaPlayer throws an error here
- // https://github.com/videojs/video.js/issues/519
- try {
- return Html5.TEST_VID.canPlayType(type);
- } catch (e) {
- return '';
- }
-};
+ if (!sourcesetLoad(tech)) {
+ tech.triggerSourceset('');
+ firstSourceWatch(tech);
+ }
-/**
- * Check if the media element can handle a source natively.
- *
- * @param {Tech~SourceObject} source
- * The source object
- *
- * @param {Object} [options]
- * Options to be passed to the tech.
- *
- * @return {string}
- * 'probably', 'maybe', or '' (empty string).
- */
-Html5.nativeSourceHandler.canHandleSource = function (source, options) {
+ return retval;
+ };
- // If a type was provided we should rely on that
- if (source.type) {
- return Html5.nativeSourceHandler.canPlayType(source.type);
+ if (el.currentSrc) {
+ tech.triggerSourceset(el.currentSrc);
+ } else if (!sourcesetLoad(tech)) {
+ firstSourceWatch(tech);
+ }
- // If no type, fall back to checking 'video/[EXTENSION]'
- } else if (source.src) {
- var ext = getFileExtension(source.src);
+ el.resetSourceset_ = function () {
+ el.resetSourceset_ = null;
+ el.load = oldLoad;
+ el.setAttribute = oldSetAttribute;
+ Object.defineProperty(el, 'src', srcDescriptor);
- return Html5.nativeSourceHandler.canPlayType('video/' + ext);
- }
+ if (el.resetSourceWatch_) {
+ el.resetSourceWatch_();
+ }
+ };
+ };
- return '';
-};
+ /**
+ * Object.defineProperty but "lazy", which means that the value is only set after
+ * it retrieved the first time, rather than being set right away.
+ *
+ * @param {Object} obj the object to set the property on
+ * @param {string} key the key for the property to set
+ * @param {Function} getValue the function used to get the value when it is needed.
+ * @param {boolean} setter wether a setter shoould be allowed or not
+ */
+ var defineLazyProperty = function defineLazyProperty(obj, key, getValue, setter) {
+ if (setter === void 0) {
+ setter = true;
+ }
-/**
- * Pass the source to the native media element.
- *
- * @param {Tech~SourceObject} source
- * The source object
- *
- * @param {Html5} tech
- * The instance of the Html5 tech
- *
- * @param {Object} [options]
- * The options to pass to the source
- */
-Html5.nativeSourceHandler.handleSource = function (source, tech, options) {
- tech.setSrc(source.src);
-};
+ var set = function set(value) {
+ return Object.defineProperty(obj, key, {
+ value: value,
+ enumerable: true,
+ writable: true
+ });
+ };
-/**
- * A noop for the native dispose function, as cleanup is not needed.
- */
-Html5.nativeSourceHandler.dispose = function () {};
+ var options = {
+ configurable: true,
+ enumerable: true,
+ get: function get() {
+ var value = getValue();
+ set(value);
+ return value;
+ }
+ };
-// Register the native source handler
-Html5.registerSourceHandler(Html5.nativeSourceHandler);
+ if (setter) {
+ options.set = set;
+ }
-Tech.registerTech('Html5', Html5);
+ return Object.defineProperty(obj, key, options);
+ };
-var _templateObject$1 = taggedTemplateLiteralLoose(['\n Using the tech directly can be dangerous. I hope you know what you\'re doing.\n See https://github.com/videojs/video.js/issues/2617 for more info.\n '], ['\n Using the tech directly can be dangerous. I hope you know what you\'re doing.\n See https://github.com/videojs/video.js/issues/2617 for more info.\n ']);
+ /**
+ * HTML5 Media Controller - Wrapper for HTML5 Media API
+ *
+ * @mixes Tech~SourceHandlerAdditions
+ * @extends Tech
+ */
-/**
- * @file player.js
- */
-// Subclasses Component
-// The following imports are used only to ensure that the corresponding modules
-// are always included in the video.js package. Importing the modules will
-// execute them and they will register themselves with video.js.
-// Import Html5 tech, at least for disposing the original video tag.
-// The following tech events are simply re-triggered
-// on the player when they happen
-var TECH_EVENTS_RETRIGGER = [
-/**
- * Fired while the user agent is downloading media data.
- *
- * @event Player#progress
- * @type {EventTarget~Event}
- */
-/**
- * Retrigger the `progress` event that was triggered by the {@link Tech}.
- *
- * @private
- * @method Player#handleTechProgress_
- * @fires Player#progress
- * @listens Tech#progress
- */
-'progress',
+ var Html5 = /*#__PURE__*/function (_Tech) {
+ inheritsLoose(Html5, _Tech);
-/**
- * Fires when the loading of an audio/video is aborted.
- *
- * @event Player#abort
- * @type {EventTarget~Event}
- */
-/**
- * Retrigger the `abort` event that was triggered by the {@link Tech}.
- *
- * @private
- * @method Player#handleTechAbort_
- * @fires Player#abort
- * @listens Tech#abort
- */
-'abort',
+ /**
+ * Create an instance of this Tech.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ *
+ * @param {Component~ReadyCallback} ready
+ * Callback function to call when the `HTML5` Tech is ready.
+ */
+ function Html5(options, ready) {
+ var _this;
+
+ _this = _Tech.call(this, options, ready) || this;
+ var source = options.source;
+ var crossoriginTracks = false; // Set the source if one is provided
+ // 1) Check if the source is new (if not, we want to keep the original so playback isn't interrupted)
+ // 2) Check to see if the network state of the tag was failed at init, and if so, reset the source
+ // anyway so the error gets fired.
+
+ if (source && (_this.el_.currentSrc !== source.src || options.tag && options.tag.initNetworkState_ === 3)) {
+ _this.setSource(source);
+ } else {
+ _this.handleLateInit_(_this.el_);
+ } // setup sourceset after late sourceset/init
-/**
- * Fires when the browser is intentionally not getting media data.
- *
- * @event Player#suspend
- * @type {EventTarget~Event}
- */
-/**
- * Retrigger the `suspend` event that was triggered by the {@link Tech}.
- *
- * @private
- * @method Player#handleTechSuspend_
- * @fires Player#suspend
- * @listens Tech#suspend
- */
-'suspend',
-/**
- * Fires when the current playlist is empty.
- *
- * @event Player#emptied
- * @type {EventTarget~Event}
- */
-/**
- * Retrigger the `emptied` event that was triggered by the {@link Tech}.
- *
- * @private
- * @method Player#handleTechEmptied_
- * @fires Player#emptied
- * @listens Tech#emptied
- */
-'emptied',
-/**
- * Fires when the browser is trying to get media data, but data is not available.
- *
- * @event Player#stalled
- * @type {EventTarget~Event}
- */
-/**
- * Retrigger the `stalled` event that was triggered by the {@link Tech}.
- *
- * @private
- * @method Player#handleTechStalled_
- * @fires Player#stalled
- * @listens Tech#stalled
- */
-'stalled',
+ if (options.enableSourceset) {
+ _this.setupSourcesetHandling_();
+ }
-/**
- * Fires when the browser has loaded meta data for the audio/video.
- *
- * @event Player#loadedmetadata
- * @type {EventTarget~Event}
- */
-/**
- * Retrigger the `stalled` event that was triggered by the {@link Tech}.
- *
- * @private
- * @method Player#handleTechLoadedmetadata_
- * @fires Player#loadedmetadata
- * @listens Tech#loadedmetadata
- */
-'loadedmetadata',
+ if (_this.el_.hasChildNodes()) {
+ var nodes = _this.el_.childNodes;
+ var nodesLength = nodes.length;
+ var removeNodes = [];
+
+ while (nodesLength--) {
+ var node = nodes[nodesLength];
+ var nodeName = node.nodeName.toLowerCase();
+
+ if (nodeName === 'track') {
+ if (!_this.featuresNativeTextTracks) {
+ // Empty video tag tracks so the built-in player doesn't use them also.
+ // This may not be fast enough to stop HTML5 browsers from reading the tags
+ // so we'll need to turn off any default tracks if we're manually doing
+ // captions and subtitles. videoElement.textTracks
+ removeNodes.push(node);
+ } else {
+ // store HTMLTrackElement and TextTrack to remote list
+ _this.remoteTextTrackEls().addTrackElement_(node);
+
+ _this.remoteTextTracks().addTrack(node.track);
+
+ _this.textTracks().addTrack(node.track);
+
+ if (!crossoriginTracks && !_this.el_.hasAttribute('crossorigin') && isCrossOrigin(node.src)) {
+ crossoriginTracks = true;
+ }
+ }
+ }
+ }
-/**
- * Fires when the browser has loaded the current frame of the audio/video.
- *
- * @event Player#loadeddata
- * @type {event}
- */
-/**
- * Retrigger the `loadeddata` event that was triggered by the {@link Tech}.
- *
- * @private
- * @method Player#handleTechLoaddeddata_
- * @fires Player#loadeddata
- * @listens Tech#loadeddata
- */
-'loadeddata',
+ for (var i = 0; i < removeNodes.length; i++) {
+ _this.el_.removeChild(removeNodes[i]);
+ }
+ }
-/**
- * Fires when the current playback position has changed.
- *
- * @event Player#timeupdate
- * @type {event}
- */
-/**
- * Retrigger the `timeupdate` event that was triggered by the {@link Tech}.
- *
- * @private
- * @method Player#handleTechTimeUpdate_
- * @fires Player#timeupdate
- * @listens Tech#timeupdate
- */
-'timeupdate',
+ _this.proxyNativeTracks_();
-/**
- * Fires when the playing speed of the audio/video is changed
- *
- * @event Player#ratechange
- * @type {event}
- */
-/**
- * Retrigger the `ratechange` event that was triggered by the {@link Tech}.
- *
- * @private
- * @method Player#handleTechRatechange_
- * @fires Player#ratechange
- * @listens Tech#ratechange
- */
-'ratechange',
+ if (_this.featuresNativeTextTracks && crossoriginTracks) {
+ log.warn('Text Tracks are being loaded from another origin but the crossorigin attribute isn\'t used.\n' + 'This may prevent text tracks from loading.');
+ } // prevent iOS Safari from disabling metadata text tracks during native playback
-/**
- * Fires when the video's intrinsic dimensions change
- *
- * @event Player#resize
- * @type {event}
- */
-/**
- * Retrigger the `resize` event that was triggered by the {@link Tech}.
- *
- * @private
- * @method Player#handleTechResize_
- * @fires Player#resize
- * @listens Tech#resize
- */
-'resize',
-/**
- * Fires when the volume has been changed
- *
- * @event Player#volumechange
- * @type {event}
- */
-/**
- * Retrigger the `volumechange` event that was triggered by the {@link Tech}.
- *
- * @private
- * @method Player#handleTechVolumechange_
- * @fires Player#volumechange
- * @listens Tech#volumechange
- */
-'volumechange',
+ _this.restoreMetadataTracksInIOSNativePlayer_(); // Determine if native controls should be used
+ // Our goal should be to get the custom controls on mobile solid everywhere
+ // so we can remove this all together. Right now this will block custom
+ // controls on touch enabled laptops like the Chrome Pixel
-/**
- * Fires when the text track has been changed
- *
- * @event Player#texttrackchange
- * @type {event}
- */
-/**
- * Retrigger the `texttrackchange` event that was triggered by the {@link Tech}.
- *
- * @private
- * @method Player#handleTechTexttrackchange_
- * @fires Player#texttrackchange
- * @listens Tech#texttrackchange
- */
-'texttrackchange'];
-/**
- * An instance of the `Player` class is created when any of the Video.js setup methods
- * are used to initialize a video.
- *
- * After an instance has been created it can be accessed globally in two ways:
- * 1. By calling `videojs('example_video_1');`
- * 2. By using it directly via `videojs.players.example_video_1;`
- *
- * @extends Component
- */
+ if ((TOUCH_ENABLED || IS_IPHONE || IS_NATIVE_ANDROID) && options.nativeControlsForTouch === true) {
+ _this.setControls(true);
+ } // on iOS, we want to proxy `webkitbeginfullscreen` and `webkitendfullscreen`
+ // into a `fullscreenchange` event
-var Player = function (_Component) {
- inherits(Player, _Component);
- /**
- * Create an instance of this class.
- *
- * @param {Element} tag
- * The original video DOM element used for configuring options.
- *
- * @param {Object} [options]
- * Object of option names and values.
- *
- * @param {Component~ReadyCallback} [ready]
- * Ready callback function.
- */
- function Player(tag, options, ready) {
- classCallCheck(this, Player);
+ _this.proxyWebkitFullscreen_();
- // Make sure tag ID exists
- tag.id = tag.id || 'vjs_video_' + newGUID();
+ _this.triggerReady();
- // Set Options
- // The options argument overrides options set in the video tag
- // which overrides globally set options.
- // This latter part coincides with the load order
- // (tag must exist before Player)
- options = assign(Player.getTagSettings(tag), options);
+ return _this;
+ }
+ /**
+ * Dispose of `HTML5` media element and remove all tracks.
+ */
- // Delay the initialization of children because we need to set up
- // player properties first, and can't use `this` before `super()`
- options.initChildren = false;
- // Same with creating the element
- options.createEl = false;
+ var _proto = Html5.prototype;
- // don't auto mixin the evented mixin
- options.evented = false;
+ _proto.dispose = function dispose() {
+ if (this.el_ && this.el_.resetSourceset_) {
+ this.el_.resetSourceset_();
+ }
- // we don't want the player to report touch activity on itself
- // see enableTouchActivity in Component
- options.reportTouchActivity = false;
+ Html5.disposeMediaElement(this.el_);
+ this.options_ = null; // tech will handle clearing of the emulated track list
- // If language is not set, get the closest lang attribute
- if (!options.language) {
- if (typeof tag.closest === 'function') {
- var closest = tag.closest('[lang]');
+ _Tech.prototype.dispose.call(this);
+ }
+ /**
+ * Modify the media element so that we can detect when
+ * the source is changed. Fires `sourceset` just after the source has changed
+ */
+ ;
- if (closest && closest.getAttribute) {
- options.language = closest.getAttribute('lang');
- }
- } else {
- var element = tag;
-
- while (element && element.nodeType === 1) {
- if (getAttributes(element).hasOwnProperty('lang')) {
- options.language = element.getAttribute('lang');
- break;
- }
- element = element.parentNode;
- }
- }
+ _proto.setupSourcesetHandling_ = function setupSourcesetHandling_() {
+ setupSourceset(this);
}
+ /**
+ * When a captions track is enabled in the iOS Safari native player, all other
+ * tracks are disabled (including metadata tracks), which nulls all of their
+ * associated cue points. This will restore metadata tracks to their pre-fullscreen
+ * state in those cases so that cue points are not needlessly lost.
+ *
+ * @private
+ */
+ ;
- // Run base component initializing with new options
-
- // Turn off API access because we're loading a new tech that might load asynchronously
- var _this = possibleConstructorReturn(this, _Component.call(this, null, options, ready));
-
- _this.isReady_ = false;
+ _proto.restoreMetadataTracksInIOSNativePlayer_ = function restoreMetadataTracksInIOSNativePlayer_() {
+ var textTracks = this.textTracks();
+ var metadataTracksPreFullscreenState; // captures a snapshot of every metadata track's current state
- // Init state hasStarted_
- _this.hasStarted_ = false;
+ var takeMetadataTrackSnapshot = function takeMetadataTrackSnapshot() {
+ metadataTracksPreFullscreenState = [];
- // Init state userActive_
- _this.userActive_ = false;
+ for (var i = 0; i < textTracks.length; i++) {
+ var track = textTracks[i];
- // if the global option object was accidentally blown away by
- // someone, bail early with an informative error
- if (!_this.options_ || !_this.options_.techOrder || !_this.options_.techOrder.length) {
- throw new Error('No techOrder specified. Did you overwrite ' + 'videojs.options instead of just changing the ' + 'properties you want to override?');
- }
+ if (track.kind === 'metadata') {
+ metadataTracksPreFullscreenState.push({
+ track: track,
+ storedMode: track.mode
+ });
+ }
+ }
+ }; // snapshot each metadata track's initial state, and update the snapshot
+ // each time there is a track 'change' event
- // Store the original tag used to set options
- _this.tag = tag;
- // Store the tag attributes used to restore html5 element
- _this.tagAttributes = tag && getAttributes(tag);
+ takeMetadataTrackSnapshot();
+ textTracks.addEventListener('change', takeMetadataTrackSnapshot);
+ this.on('dispose', function () {
+ return textTracks.removeEventListener('change', takeMetadataTrackSnapshot);
+ });
- // Update current language
- _this.language(_this.options_.language);
+ var restoreTrackMode = function restoreTrackMode() {
+ for (var i = 0; i < metadataTracksPreFullscreenState.length; i++) {
+ var storedTrack = metadataTracksPreFullscreenState[i];
- // Update Supported Languages
- if (options.languages) {
- // Normalise player option languages to lowercase
- var languagesToLower = {};
+ if (storedTrack.track.mode === 'disabled' && storedTrack.track.mode !== storedTrack.storedMode) {
+ storedTrack.track.mode = storedTrack.storedMode;
+ }
+ } // we only want this handler to be executed on the first 'change' event
- Object.getOwnPropertyNames(options.languages).forEach(function (name$$1) {
- languagesToLower[name$$1.toLowerCase()] = options.languages[name$$1];
- });
- _this.languages_ = languagesToLower;
- } else {
- _this.languages_ = Player.prototype.options_.languages;
- }
- // Cache for video property values.
- _this.cache_ = {};
+ textTracks.removeEventListener('change', restoreTrackMode);
+ }; // when we enter fullscreen playback, stop updating the snapshot and
+ // restore all track modes to their pre-fullscreen state
- // Set poster
- _this.poster_ = options.poster || '';
- // Set controls
- _this.controls_ = !!options.controls;
+ this.on('webkitbeginfullscreen', function () {
+ textTracks.removeEventListener('change', takeMetadataTrackSnapshot); // remove the listener before adding it just in case it wasn't previously removed
- // Set default values for lastVolume
- _this.cache_.lastVolume = 1;
+ textTracks.removeEventListener('change', restoreTrackMode);
+ textTracks.addEventListener('change', restoreTrackMode);
+ }); // start updating the snapshot again after leaving fullscreen
- // Original tag settings stored in options
- // now remove immediately so native controls don't flash.
- // May be turned back on by HTML5 tech if nativeControlsForTouch is true
- tag.controls = false;
- tag.removeAttribute('controls');
+ this.on('webkitendfullscreen', function () {
+ // remove the listener before adding it just in case it wasn't previously removed
+ textTracks.removeEventListener('change', takeMetadataTrackSnapshot);
+ textTracks.addEventListener('change', takeMetadataTrackSnapshot); // remove the restoreTrackMode handler in case it wasn't triggered during fullscreen playback
- /*
- * Store the internal state of scrubbing
+ textTracks.removeEventListener('change', restoreTrackMode);
+ });
+ }
+ /**
+ * Attempt to force override of tracks for the given type
*
+ * @param {string} type - Track type to override, possible values include 'Audio',
+ * 'Video', and 'Text'.
+ * @param {boolean} override - If set to true native audio/video will be overridden,
+ * otherwise native audio/video will potentially be used.
* @private
- * @return {Boolean} True if the user is scrubbing
*/
- _this.scrubbing_ = false;
-
- _this.el_ = _this.createEl();
-
- // Make this an evented object and use `el_` as its event bus.
- evented(_this, { eventBusKey: 'el_' });
-
- // We also want to pass the original player options to each component and plugin
- // as well so they don't need to reach back into the player for options later.
- // We also need to do another copy of this.options_ so we don't end up with
- // an infinite loop.
- var playerOptionsCopy = mergeOptions(_this.options_);
-
- // Load plugins
- if (options.plugins) {
- var plugins = options.plugins;
-
- Object.keys(plugins).forEach(function (name$$1) {
- if (typeof this[name$$1] === 'function') {
- this[name$$1](plugins[name$$1]);
- } else {
- throw new Error('plugin "' + name$$1 + '" does not exist');
- }
- }, _this);
- }
+ ;
- _this.options_.playerOptions = playerOptionsCopy;
+ _proto.overrideNative_ = function overrideNative_(type, override) {
+ var _this2 = this;
- _this.middleware_ = [];
+ // If there is no behavioral change don't add/remove listeners
+ if (override !== this["featuresNative" + type + "Tracks"]) {
+ return;
+ }
- _this.initChildren();
+ var lowerCaseType = type.toLowerCase();
- // Set isAudio based on whether or not an audio tag was used
- _this.isAudio(tag.nodeName.toLowerCase() === 'audio');
+ if (this[lowerCaseType + "TracksListeners_"]) {
+ Object.keys(this[lowerCaseType + "TracksListeners_"]).forEach(function (eventName) {
+ var elTracks = _this2.el()[lowerCaseType + "Tracks"];
- // Update controls className. Can't do this when the controls are initially
- // set because the element doesn't exist yet.
- if (_this.controls()) {
- _this.addClass('vjs-controls-enabled');
- } else {
- _this.addClass('vjs-controls-disabled');
- }
+ elTracks.removeEventListener(eventName, _this2[lowerCaseType + "TracksListeners_"][eventName]);
+ });
+ }
- // Set ARIA label and region role depending on player type
- _this.el_.setAttribute('role', 'region');
- if (_this.isAudio()) {
- _this.el_.setAttribute('aria-label', _this.localize('Audio Player'));
- } else {
- _this.el_.setAttribute('aria-label', _this.localize('Video Player'));
+ this["featuresNative" + type + "Tracks"] = !override;
+ this[lowerCaseType + "TracksListeners_"] = null;
+ this.proxyNativeTracksForType_(lowerCaseType);
}
+ /**
+ * Attempt to force override of native audio tracks.
+ *
+ * @param {boolean} override - If set to true native audio will be overridden,
+ * otherwise native audio will potentially be used.
+ */
+ ;
- if (_this.isAudio()) {
- _this.addClass('vjs-audio');
+ _proto.overrideNativeAudioTracks = function overrideNativeAudioTracks(override) {
+ this.overrideNative_('Audio', override);
}
+ /**
+ * Attempt to force override of native video tracks.
+ *
+ * @param {boolean} override - If set to true native video will be overridden,
+ * otherwise native video will potentially be used.
+ */
+ ;
- if (_this.flexNotSupported_()) {
- _this.addClass('vjs-no-flex');
+ _proto.overrideNativeVideoTracks = function overrideNativeVideoTracks(override) {
+ this.overrideNative_('Video', override);
}
+ /**
+ * Proxy native track list events for the given type to our track
+ * lists if the browser we are playing in supports that type of track list.
+ *
+ * @param {string} name - Track type; values include 'audio', 'video', and 'text'
+ * @private
+ */
+ ;
- // TODO: Make this smarter. Toggle user state between touching/mousing
- // using events, since devices can have both touch and mouse events.
- // if (browser.TOUCH_ENABLED) {
- // this.addClass('vjs-touch-enabled');
- // }
+ _proto.proxyNativeTracksForType_ = function proxyNativeTracksForType_(name) {
+ var _this3 = this;
- // iOS Safari has broken hover handling
- if (!IS_IOS) {
- _this.addClass('vjs-workinghover');
- }
+ var props = NORMAL[name];
+ var elTracks = this.el()[props.getterName];
+ var techTracks = this[props.getterName]();
- // Make player easily findable by ID
- Player.players[_this.id_] = _this;
+ if (!this["featuresNative" + props.capitalName + "Tracks"] || !elTracks || !elTracks.addEventListener) {
+ return;
+ }
- // Add a major version class to aid css in plugins
- var majorVersion = version.split('.')[0];
+ var listeners = {
+ change: function change(e) {
+ var event = {
+ type: 'change',
+ target: techTracks,
+ currentTarget: techTracks,
+ srcElement: techTracks
+ };
+ techTracks.trigger(event); // if we are a text track change event, we should also notify the
+ // remote text track list. This can potentially cause a false positive
+ // if we were to get a change event on a non-remote track and
+ // we triggered the event on the remote text track list which doesn't
+ // contain that track. However, best practices mean looping through the
+ // list of tracks and searching for the appropriate mode value, so,
+ // this shouldn't pose an issue
+
+ if (name === 'text') {
+ _this3[REMOTE.remoteText.getterName]().trigger(event);
+ }
+ },
+ addtrack: function addtrack(e) {
+ techTracks.addTrack(e.track);
+ },
+ removetrack: function removetrack(e) {
+ techTracks.removeTrack(e.track);
+ }
+ };
- _this.addClass('vjs-v' + majorVersion);
+ var removeOldTracks = function removeOldTracks() {
+ var removeTracks = [];
- // When the player is first initialized, trigger activity so components
- // like the control bar show themselves if needed
- _this.userActive(true);
- _this.reportUserActivity();
- _this.listenForUserActivity_();
+ for (var i = 0; i < techTracks.length; i++) {
+ var found = false;
- _this.on('fullscreenchange', _this.handleFullscreenChange_);
- _this.on('stageclick', _this.handleStageClick_);
+ for (var j = 0; j < elTracks.length; j++) {
+ if (elTracks[j] === techTracks[i]) {
+ found = true;
+ break;
+ }
+ }
- _this.changingSrc_ = false;
- _this.playWaitingForReady_ = false;
- _this.playOnLoadstart_ = null;
+ if (!found) {
+ removeTracks.push(techTracks[i]);
+ }
+ }
- _this.forceAutoplayInChrome_();
- return _this;
- }
+ while (removeTracks.length) {
+ techTracks.removeTrack(removeTracks.shift());
+ }
+ };
- /**
- * Destroys the video player and does any necessary cleanup.
- *
- * This is especially helpful if you are dynamically adding and removing videos
- * to/from the DOM.
- *
- * @fires Player#dispose
- */
+ this[props.getterName + 'Listeners_'] = listeners;
+ Object.keys(listeners).forEach(function (eventName) {
+ var listener = listeners[eventName];
+ elTracks.addEventListener(eventName, listener);
+ _this3.on('dispose', function (e) {
+ return elTracks.removeEventListener(eventName, listener);
+ });
+ }); // Remove (native) tracks that are not used anymore
- Player.prototype.dispose = function dispose() {
+ this.on('loadstart', removeOldTracks);
+ this.on('dispose', function (e) {
+ return _this3.off('loadstart', removeOldTracks);
+ });
+ }
/**
- * Called when the player is being disposed of.
+ * Proxy all native track list events to our track lists if the browser we are playing
+ * in supports that type of track list.
*
- * @event Player#dispose
- * @type {EventTarget~Event}
+ * @private
*/
- this.trigger('dispose');
- // prevent dispose from being called twice
- this.off('dispose');
-
- if (this.styleEl_ && this.styleEl_.parentNode) {
- this.styleEl_.parentNode.removeChild(this.styleEl_);
- this.styleEl_ = null;
- }
-
- // Kill reference to this player
- Player.players[this.id_] = null;
-
- if (this.tag && this.tag.player) {
- this.tag.player = null;
- }
-
- if (this.el_ && this.el_.player) {
- this.el_.player = null;
- }
-
- if (this.tech_) {
- this.tech_.dispose();
- }
+ ;
- if (this.playerElIngest_) {
- this.playerElIngest_ = null;
- }
+ _proto.proxyNativeTracks_ = function proxyNativeTracks_() {
+ var _this4 = this;
- if (this.tag) {
- this.tag = null;
+ NORMAL.names.forEach(function (name) {
+ _this4.proxyNativeTracksForType_(name);
+ });
}
+ /**
+ * Create the `Html5` Tech's DOM element.
+ *
+ * @return {Element}
+ * The element that gets created.
+ */
+ ;
- clearCacheForPlayer(this);
-
- // the actual .el_ is removed here
- _Component.prototype.dispose.call(this);
- };
+ _proto.createEl = function createEl() {
+ var el = this.options_.tag; // Check if this browser supports moving the element into the box.
+ // On the iPhone video will break if you move the element,
+ // So we have to create a brand new element.
+ // If we ingested the player div, we do not need to move the media element.
- /**
- * Create the `Player`'s DOM element.
- *
- * @return {Element}
- * The DOM element that gets created.
- */
+ if (!el || !(this.options_.playerElIngest || this.movingMediaElementInDOM)) {
+ // If the original tag is still there, clone and remove it.
+ if (el) {
+ var clone = el.cloneNode(true);
+ if (el.parentNode) {
+ el.parentNode.insertBefore(clone, el);
+ }
- Player.prototype.createEl = function createEl$$1() {
- var tag = this.tag;
- var el = void 0;
- var playerElIngest = this.playerElIngest_ = tag.parentNode && tag.parentNode.hasAttribute && tag.parentNode.hasAttribute('data-vjs-player');
- var divEmbed = this.tag.tagName.toLowerCase() === 'video-js';
+ Html5.disposeMediaElement(el);
+ el = clone;
+ } else {
+ el = document.createElement('video'); // determine if native controls should be used
- if (playerElIngest) {
- el = this.el_ = tag.parentNode;
- } else if (!divEmbed) {
- el = this.el_ = _Component.prototype.createEl.call(this, 'div');
- }
+ var tagAttributes = this.options_.tag && getAttributes(this.options_.tag);
+ var attributes = mergeOptions({}, tagAttributes);
- // Copy over all the attributes from the tag, including ID and class
- // ID will now reference player box, not the video tag
- var attrs = getAttributes(tag);
+ if (!TOUCH_ENABLED || this.options_.nativeControlsForTouch !== true) {
+ delete attributes.controls;
+ }
- if (divEmbed) {
- el = this.el_ = tag;
- tag = this.tag = document_1.createElement('video');
- while (el.children.length) {
- tag.appendChild(el.firstChild);
- }
+ setAttributes(el, assign(attributes, {
+ id: this.options_.techId,
+ "class": 'vjs-tech'
+ }));
+ }
- if (!hasClass(el, 'video-js')) {
- addClass(el, 'video-js');
+ el.playerId = this.options_.playerId;
}
- el.appendChild(tag);
-
- playerElIngest = this.playerElIngest_ = el;
- }
+ if (typeof this.options_.preload !== 'undefined') {
+ setAttribute(el, 'preload', this.options_.preload);
+ } // Update specific tag settings, in case they were overridden
+ // `autoplay` has to be *last* so that `muted` and `playsinline` are present
+ // when iOS/Safari or other browsers attempt to autoplay.
- // set tabindex to -1 so we could focus on the player element
- tag.setAttribute('tabindex', '-1');
- // Remove width/height attrs from tag so CSS can make it 100% width/height
- tag.removeAttribute('width');
- tag.removeAttribute('height');
+ var settingsAttrs = ['loop', 'muted', 'playsinline', 'autoplay'];
- Object.getOwnPropertyNames(attrs).forEach(function (attr) {
- // workaround so we don't totally break IE7
- // http://stackoverflow.com/questions/3653444/css-styles-not-applied-on-dynamic-elements-in-internet-explorer-7
- if (attr === 'class') {
- el.className += ' ' + attrs[attr];
+ for (var i = 0; i < settingsAttrs.length; i++) {
+ var attr = settingsAttrs[i];
+ var value = this.options_[attr];
- if (divEmbed) {
- tag.className += ' ' + attrs[attr];
- }
- } else {
- el.setAttribute(attr, attrs[attr]);
+ if (typeof value !== 'undefined') {
+ if (value) {
+ setAttribute(el, attr, attr);
+ } else {
+ removeAttribute(el, attr);
+ }
- if (divEmbed) {
- tag.setAttribute(attr, attrs[attr]);
+ el[attr] = value;
}
}
- });
-
- // Update tag id/class for use as HTML5 playback tech
- // Might think we should do this after embedding in container so .vjs-tech class
- // doesn't flash 100% width/height, but class only applies with .video-js parent
- tag.playerId = tag.id;
- tag.id += '_html5_api';
- tag.className = 'vjs-tech';
-
- // Make player findable on elements
- tag.player = el.player = this;
- // Default state of video is paused
- this.addClass('vjs-paused');
-
- // Add a style element in the player that we'll use to set the width/height
- // of the player in a way that's still overrideable by CSS, just like the
- // video element
- if (window_1.VIDEOJS_NO_DYNAMIC_STYLE !== true) {
- this.styleEl_ = createStyleElement('vjs-styles-dimensions');
- var defaultsStyleEl = $('.vjs-styles-defaults');
- var head = $('head');
- head.insertBefore(this.styleEl_, defaultsStyleEl ? defaultsStyleEl.nextSibling : head.firstChild);
+ return el;
}
+ /**
+ * This will be triggered if the loadstart event has already fired, before videojs was
+ * ready. Two known examples of when this can happen are:
+ * 1. If we're loading the playback object after it has started loading
+ * 2. The media is already playing the (often with autoplay on) then
+ *
+ * This function will fire another loadstart so that videojs can catchup.
+ *
+ * @fires Tech#loadstart
+ *
+ * @return {undefined}
+ * returns nothing.
+ */
+ ;
- // Pass in the width/height/aspectRatio options which will update the style el
- this.width(this.options_.width);
- this.height(this.options_.height);
- this.fluid(this.options_.fluid);
- this.aspectRatio(this.options_.aspectRatio);
+ _proto.handleLateInit_ = function handleLateInit_(el) {
+ if (el.networkState === 0 || el.networkState === 3) {
+ // The video element hasn't started loading the source yet
+ // or didn't find a source
+ return;
+ }
- // Hide any links within the video/audio tag, because IE doesn't hide them completely.
- var links = tag.getElementsByTagName('a');
+ if (el.readyState === 0) {
+ // NetworkState is set synchronously BUT loadstart is fired at the
+ // end of the current stack, usually before setInterval(fn, 0).
+ // So at this point we know loadstart may have already fired or is
+ // about to fire, and either way the player hasn't seen it yet.
+ // We don't want to fire loadstart prematurely here and cause a
+ // double loadstart so we'll wait and see if it happens between now
+ // and the next loop, and fire it if not.
+ // HOWEVER, we also want to make sure it fires before loadedmetadata
+ // which could also happen between now and the next loop, so we'll
+ // watch for that also.
+ var loadstartFired = false;
+
+ var setLoadstartFired = function setLoadstartFired() {
+ loadstartFired = true;
+ };
- for (var i = 0; i < links.length; i++) {
- var linkEl = links.item(i);
+ this.on('loadstart', setLoadstartFired);
- addClass(linkEl, 'vjs-hidden');
- linkEl.setAttribute('hidden', 'hidden');
- }
+ var triggerLoadstart = function triggerLoadstart() {
+ // We did miss the original loadstart. Make sure the player
+ // sees loadstart before loadedmetadata
+ if (!loadstartFired) {
+ this.trigger('loadstart');
+ }
+ };
- // insertElFirst seems to cause the networkState to flicker from 3 to 2, so
- // keep track of the original for later so we can know if the source originally failed
- tag.initNetworkState_ = tag.networkState;
+ this.on('loadedmetadata', triggerLoadstart);
+ this.ready(function () {
+ this.off('loadstart', setLoadstartFired);
+ this.off('loadedmetadata', triggerLoadstart);
- // Wrap video tag in div (el/box) container
- if (tag.parentNode && !playerElIngest) {
- tag.parentNode.insertBefore(el, tag);
- }
+ if (!loadstartFired) {
+ // We did miss the original native loadstart. Fire it now.
+ this.trigger('loadstart');
+ }
+ });
+ return;
+ } // From here on we know that loadstart already fired and we missed it.
+ // The other readyState events aren't as much of a problem if we double
+ // them, so not going to go to as much trouble as loadstart to prevent
+ // that unless we find reason to.
- // insert the tag as the first child of the player element
- // then manually add it to the children array so that this.addChild
- // will work properly for other components
- //
- // Breaks iPhone, fixed in HTML5 setup.
- prependTo(tag, el);
- this.children_.unshift(tag);
- // Set lang attr on player to ensure CSS :lang() in consistent with player
- // if it's been set to something different to the doc
- this.el_.setAttribute('lang', this.language_);
+ var eventsToTrigger = ['loadstart']; // loadedmetadata: newly equal to HAVE_METADATA (1) or greater
- this.el_ = el;
+ eventsToTrigger.push('loadedmetadata'); // loadeddata: newly increased to HAVE_CURRENT_DATA (2) or greater
- return el;
- };
+ if (el.readyState >= 2) {
+ eventsToTrigger.push('loadeddata');
+ } // canplay: newly increased to HAVE_FUTURE_DATA (3) or greater
- /**
- * A getter/setter for the `Player`'s width. Returns the player's configured value.
- * To get the current width use `currentWidth()`.
- *
- * @param {number} [value]
- * The value to set the `Player`'s width to.
- *
- * @return {number}
- * The current width of the `Player` when getting.
- */
+ if (el.readyState >= 3) {
+ eventsToTrigger.push('canplay');
+ } // canplaythrough: newly equal to HAVE_ENOUGH_DATA (4)
- Player.prototype.width = function width(value) {
- return this.dimension('width', value);
- };
- /**
- * A getter/setter for the `Player`'s height. Returns the player's configured value.
- * To get the current height use `currentheight()`.
- *
- * @param {number} [value]
- * The value to set the `Player`'s heigth to.
- *
- * @return {number}
- * The current height of the `Player` when getting.
- */
+ if (el.readyState >= 4) {
+ eventsToTrigger.push('canplaythrough');
+ } // We still need to give the player time to add event listeners
- Player.prototype.height = function height(value) {
- return this.dimension('height', value);
- };
+ this.ready(function () {
+ eventsToTrigger.forEach(function (type) {
+ this.trigger(type);
+ }, this);
+ });
+ }
+ /**
+ * Set current time for the `HTML5` tech.
+ *
+ * @param {number} seconds
+ * Set the current time of the media to this.
+ */
+ ;
- /**
- * A getter/setter for the `Player`'s width & height.
- *
- * @param {string} dimension
- * This string can be:
- * - 'width'
- * - 'height'
- *
- * @param {number} [value]
- * Value for dimension specified in the first argument.
- *
- * @return {number}
- * The dimension arguments value when getting (width/height).
- */
+ _proto.setCurrentTime = function setCurrentTime(seconds) {
+ try {
+ this.el_.currentTime = seconds;
+ } catch (e) {
+ log(e, 'Video is not ready. (Video.js)'); // this.warning(VideoJS.warnings.videoNotReady);
+ }
+ }
+ /**
+ * Get the current duration of the HTML5 media element.
+ *
+ * @return {number}
+ * The duration of the media or 0 if there is no duration.
+ */
+ ;
+
+ _proto.duration = function duration() {
+ var _this5 = this;
+
+ // Android Chrome will report duration as Infinity for VOD HLS until after
+ // playback has started, which triggers the live display erroneously.
+ // Return NaN if playback has not started and trigger a durationupdate once
+ // the duration can be reliably known.
+ if (this.el_.duration === Infinity && IS_ANDROID && IS_CHROME && this.el_.currentTime === 0) {
+ // Wait for the first `timeupdate` with currentTime > 0 - there may be
+ // several with 0
+ var checkProgress = function checkProgress() {
+ if (_this5.el_.currentTime > 0) {
+ // Trigger durationchange for genuinely live video
+ if (_this5.el_.duration === Infinity) {
+ _this5.trigger('durationchange');
+ }
+ _this5.off('timeupdate', checkProgress);
+ }
+ };
- Player.prototype.dimension = function dimension(_dimension, value) {
- var privDimension = _dimension + '_';
+ this.on('timeupdate', checkProgress);
+ return NaN;
+ }
- if (value === undefined) {
- return this[privDimension] || 0;
+ return this.el_.duration || NaN;
}
+ /**
+ * Get the current width of the HTML5 media element.
+ *
+ * @return {number}
+ * The width of the HTML5 media element.
+ */
+ ;
- if (value === '') {
- // If an empty string is given, reset the dimension to be automatic
- this[privDimension] = undefined;
- this.updateStyleEl_();
- return;
+ _proto.width = function width() {
+ return this.el_.offsetWidth;
}
+ /**
+ * Get the current height of the HTML5 media element.
+ *
+ * @return {number}
+ * The height of the HTML5 media element.
+ */
+ ;
- var parsedVal = parseFloat(value);
-
- if (isNaN(parsedVal)) {
- log$1.error('Improper value "' + value + '" supplied for for ' + _dimension);
- return;
+ _proto.height = function height() {
+ return this.el_.offsetHeight;
}
+ /**
+ * Proxy iOS `webkitbeginfullscreen` and `webkitendfullscreen` into
+ * `fullscreenchange` event.
+ *
+ * @private
+ * @fires fullscreenchange
+ * @listens webkitendfullscreen
+ * @listens webkitbeginfullscreen
+ * @listens webkitbeginfullscreen
+ */
+ ;
- this[privDimension] = parsedVal;
- this.updateStyleEl_();
- };
+ _proto.proxyWebkitFullscreen_ = function proxyWebkitFullscreen_() {
+ var _this6 = this;
- /**
- * A getter/setter/toggler for the vjs-fluid `className` on the `Player`.
- *
- * @param {boolean} [bool]
- * - A value of true adds the class.
- * - A value of false removes the class.
- * - No value will toggle the fluid class.
- *
- * @return {boolean|undefined}
- * - The value of fluid when getting.
- * - `undefined` when setting.
- */
+ if (!('webkitDisplayingFullscreen' in this.el_)) {
+ return;
+ }
+ var endFn = function endFn() {
+ this.trigger('fullscreenchange', {
+ isFullscreen: false
+ });
+ };
- Player.prototype.fluid = function fluid(bool) {
- if (bool === undefined) {
- return !!this.fluid_;
- }
+ var beginFn = function beginFn() {
+ if ('webkitPresentationMode' in this.el_ && this.el_.webkitPresentationMode !== 'picture-in-picture') {
+ this.one('webkitendfullscreen', endFn);
+ this.trigger('fullscreenchange', {
+ isFullscreen: true
+ });
+ }
+ };
- this.fluid_ = !!bool;
+ this.on('webkitbeginfullscreen', beginFn);
+ this.on('dispose', function () {
+ _this6.off('webkitbeginfullscreen', beginFn);
- if (bool) {
- this.addClass('vjs-fluid');
- } else {
- this.removeClass('vjs-fluid');
+ _this6.off('webkitendfullscreen', endFn);
+ });
}
+ /**
+ * Check if fullscreen is supported on the current playback device.
+ *
+ * @return {boolean}
+ * - True if fullscreen is supported.
+ * - False if fullscreen is not supported.
+ */
+ ;
- this.updateStyleEl_();
- };
-
- /**
- * Get/Set the aspect ratio
- *
- * @param {string} [ratio]
- * Aspect ratio for player
- *
- * @return {string|undefined}
- * returns the current aspect ratio when getting
- */
-
- /**
- * A getter/setter for the `Player`'s aspect ratio.
- *
- * @param {string} [ratio]
- * The value to set the `Player's aspect ratio to.
- *
- * @return {string|undefined}
- * - The current aspect ratio of the `Player` when getting.
- * - undefined when setting
- */
+ _proto.supportsFullScreen = function supportsFullScreen() {
+ if (typeof this.el_.webkitEnterFullScreen === 'function') {
+ var userAgent = window$3.navigator && window$3.navigator.userAgent || ''; // Seems to be broken in Chromium/Chrome && Safari in Leopard
+ if (/Android/.test(userAgent) || !/Chrome|Mac OS X 10.5/.test(userAgent)) {
+ return true;
+ }
+ }
- Player.prototype.aspectRatio = function aspectRatio(ratio) {
- if (ratio === undefined) {
- return this.aspectRatio_;
+ return false;
}
+ /**
+ * Request that the `HTML5` Tech enter fullscreen.
+ */
+ ;
- // Check for width:height format
- if (!/^\d+\:\d+$/.test(ratio)) {
- throw new Error('Improper value supplied for aspect ratio. The format should be width:height, for example 16:9.');
- }
- this.aspectRatio_ = ratio;
+ _proto.enterFullScreen = function enterFullScreen() {
+ var video = this.el_;
- // We're assuming if you set an aspect ratio you want fluid mode,
- // because in fixed mode you could calculate width and height yourself.
- this.fluid(true);
+ if (video.paused && video.networkState <= video.HAVE_METADATA) {
+ // attempt to prime the video element for programmatic access
+ // this isn't necessary on the desktop but shouldn't hurt
+ silencePromise(this.el_.play()); // playing and pausing synchronously during the transition to fullscreen
+ // can get iOS ~6.1 devices into a play/pause loop
- this.updateStyleEl_();
- };
+ this.setTimeout(function () {
+ video.pause();
- /**
- * Update styles of the `Player` element (height, width and aspect ratio).
- *
- * @private
- * @listens Tech#loadedmetadata
- */
-
-
- Player.prototype.updateStyleEl_ = function updateStyleEl_() {
- if (window_1.VIDEOJS_NO_DYNAMIC_STYLE === true) {
- var _width = typeof this.width_ === 'number' ? this.width_ : this.options_.width;
- var _height = typeof this.height_ === 'number' ? this.height_ : this.options_.height;
- var techEl = this.tech_ && this.tech_.el();
-
- if (techEl) {
- if (_width >= 0) {
- techEl.width = _width;
- }
- if (_height >= 0) {
- techEl.height = _height;
+ try {
+ video.webkitEnterFullScreen();
+ } catch (e) {
+ this.trigger('fullscreenerror', e);
+ }
+ }, 0);
+ } else {
+ try {
+ video.webkitEnterFullScreen();
+ } catch (e) {
+ this.trigger('fullscreenerror', e);
}
}
-
- return;
}
+ /**
+ * Request that the `HTML5` Tech exit fullscreen.
+ */
+ ;
- var width = void 0;
- var height = void 0;
- var aspectRatio = void 0;
- var idClass = void 0;
+ _proto.exitFullScreen = function exitFullScreen() {
+ if (!this.el_.webkitDisplayingFullscreen) {
+ this.trigger('fullscreenerror', new Error('The video is not fullscreen'));
+ return;
+ }
- // The aspect ratio is either used directly or to calculate width and height.
- if (this.aspectRatio_ !== undefined && this.aspectRatio_ !== 'auto') {
- // Use any aspectRatio that's been specifically set
- aspectRatio = this.aspectRatio_;
- } else if (this.videoWidth() > 0) {
- // Otherwise try to get the aspect ratio from the video metadata
- aspectRatio = this.videoWidth() + ':' + this.videoHeight();
- } else {
- // Or use a default. The video element's is 2:1, but 16:9 is more common.
- aspectRatio = '16:9';
+ this.el_.webkitExitFullScreen();
}
+ /**
+ * Create a floating video window always on top of other windows so that users may
+ * continue consuming media while they interact with other content sites, or
+ * applications on their device.
+ *
+ * @see [Spec]{@link https://wicg.github.io/picture-in-picture}
+ *
+ * @return {Promise}
+ * A promise with a Picture-in-Picture window.
+ */
+ ;
- // Get the ratio as a decimal we can use to calculate dimensions
- var ratioParts = aspectRatio.split(':');
- var ratioMultiplier = ratioParts[1] / ratioParts[0];
-
- if (this.width_ !== undefined) {
- // Use any width that's been specifically set
- width = this.width_;
- } else if (this.height_ !== undefined) {
- // Or calulate the width from the aspect ratio if a height has been set
- width = this.height_ / ratioMultiplier;
- } else {
- // Or use the video's metadata, or use the video el's default of 300
- width = this.videoWidth() || 300;
+ _proto.requestPictureInPicture = function requestPictureInPicture() {
+ return this.el_.requestPictureInPicture();
}
+ /**
+ * A getter/setter for the `Html5` Tech's source object.
+ * > Note: Please use {@link Html5#setSource}
+ *
+ * @param {Tech~SourceObject} [src]
+ * The source object you want to set on the `HTML5` techs element.
+ *
+ * @return {Tech~SourceObject|undefined}
+ * - The current source object when a source is not passed in.
+ * - undefined when setting
+ *
+ * @deprecated Since version 5.
+ */
+ ;
- if (this.height_ !== undefined) {
- // Use any height that's been specifically set
- height = this.height_;
- } else {
- // Otherwise calculate the height from the ratio and the width
- height = width * ratioMultiplier;
- }
+ _proto.src = function src(_src) {
+ if (_src === undefined) {
+ return this.el_.src;
+ } // Setting src through `src` instead of `setSrc` will be deprecated
- // Ensure the CSS class is valid by starting with an alpha character
- if (/^[^a-zA-Z]/.test(this.id())) {
- idClass = 'dimensions-' + this.id();
- } else {
- idClass = this.id() + '-dimensions';
+
+ this.setSrc(_src);
}
+ /**
+ * Reset the tech by removing all sources and then calling
+ * {@link Html5.resetMediaElement}.
+ */
+ ;
- // Ensure the right class is still on the player for the style element
- this.addClass(idClass);
+ _proto.reset = function reset() {
+ Html5.resetMediaElement(this.el_);
+ }
+ /**
+ * Get the current source on the `HTML5` Tech. Falls back to returning the source from
+ * the HTML5 media element.
+ *
+ * @return {Tech~SourceObject}
+ * The current source object from the HTML5 tech. With a fallback to the
+ * elements source.
+ */
+ ;
- setTextContent(this.styleEl_, '\n .' + idClass + ' {\n width: ' + width + 'px;\n height: ' + height + 'px;\n }\n\n .' + idClass + '.vjs-fluid {\n padding-top: ' + ratioMultiplier * 100 + '%;\n }\n ');
- };
+ _proto.currentSrc = function currentSrc() {
+ if (this.currentSource_) {
+ return this.currentSource_.src;
+ }
- /**
- * Load/Create an instance of playback {@link Tech} including element
- * and API methods. Then append the `Tech` element in `Player` as a child.
- *
- * @param {string} techName
- * name of the playback technology
- *
- * @param {string} source
- * video source
- *
- * @private
- */
+ return this.el_.currentSrc;
+ }
+ /**
+ * Set controls attribute for the HTML5 media Element.
+ *
+ * @param {string} val
+ * Value to set the controls attribute to
+ */
+ ;
+ _proto.setControls = function setControls(val) {
+ this.el_.controls = !!val;
+ }
+ /**
+ * Create and returns a remote {@link TextTrack} object.
+ *
+ * @param {string} kind
+ * `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)
+ *
+ * @param {string} [label]
+ * Label to identify the text track
+ *
+ * @param {string} [language]
+ * Two letter language abbreviation
+ *
+ * @return {TextTrack}
+ * The TextTrack that gets created.
+ */
+ ;
- Player.prototype.loadTech_ = function loadTech_(techName, source) {
- var _this2 = this;
+ _proto.addTextTrack = function addTextTrack(kind, label, language) {
+ if (!this.featuresNativeTextTracks) {
+ return _Tech.prototype.addTextTrack.call(this, kind, label, language);
+ }
- // Pause and remove current playback technology
- if (this.tech_) {
- this.unloadTech_();
+ return this.el_.addTextTrack(kind, label, language);
}
+ /**
+ * Creates either native TextTrack or an emulated TextTrack depending
+ * on the value of `featuresNativeTextTracks`
+ *
+ * @param {Object} options
+ * The object should contain the options to initialize the TextTrack with.
+ *
+ * @param {string} [options.kind]
+ * `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata).
+ *
+ * @param {string} [options.label]
+ * Label to identify the text track
+ *
+ * @param {string} [options.language]
+ * Two letter language abbreviation.
+ *
+ * @param {boolean} [options.default]
+ * Default this track to on.
+ *
+ * @param {string} [options.id]
+ * The internal id to assign this track.
+ *
+ * @param {string} [options.src]
+ * A source url for the track.
+ *
+ * @return {HTMLTrackElement}
+ * The track element that gets created.
+ */
+ ;
- var titleTechName = toTitleCase(techName);
- var camelTechName = techName.charAt(0).toLowerCase() + techName.slice(1);
+ _proto.createRemoteTextTrack = function createRemoteTextTrack(options) {
+ if (!this.featuresNativeTextTracks) {
+ return _Tech.prototype.createRemoteTextTrack.call(this, options);
+ }
- // get rid of the HTML5 video tag as soon as we are using another tech
- if (titleTechName !== 'Html5' && this.tag) {
- Tech.getTech('Html5').disposeMediaElement(this.tag);
- this.tag.player = null;
- this.tag = null;
- }
+ var htmlTrackElement = document.createElement('track');
- this.techName_ = titleTechName;
+ if (options.kind) {
+ htmlTrackElement.kind = options.kind;
+ }
- // Turn off API access because we're loading a new tech that might load asynchronously
- this.isReady_ = false;
+ if (options.label) {
+ htmlTrackElement.label = options.label;
+ }
- // Grab tech-specific options from player options and add source and parent element to use.
- var techOptions = {
- source: source,
- 'nativeControlsForTouch': this.options_.nativeControlsForTouch,
- 'playerId': this.id(),
- 'techId': this.id() + '_' + titleTechName + '_api',
- 'autoplay': this.options_.autoplay,
- 'playsinline': this.options_.playsinline,
- 'preload': this.options_.preload,
- 'loop': this.options_.loop,
- 'muted': this.options_.muted,
- 'poster': this.poster(),
- 'language': this.language(),
- 'playerElIngest': this.playerElIngest_ || false,
- 'vtt.js': this.options_['vtt.js']
- };
+ if (options.language || options.srclang) {
+ htmlTrackElement.srclang = options.language || options.srclang;
+ }
- ALL.names.forEach(function (name$$1) {
- var props = ALL[name$$1];
+ if (options["default"]) {
+ htmlTrackElement["default"] = options["default"];
+ }
- techOptions[props.getterName] = _this2[props.privateName];
- });
+ if (options.id) {
+ htmlTrackElement.id = options.id;
+ }
- assign(techOptions, this.options_[titleTechName]);
- assign(techOptions, this.options_[camelTechName]);
- assign(techOptions, this.options_[techName.toLowerCase()]);
+ if (options.src) {
+ htmlTrackElement.src = options.src;
+ }
- if (this.tag) {
- techOptions.tag = this.tag;
+ return htmlTrackElement;
}
+ /**
+ * Creates a remote text track object and returns an html track element.
+ *
+ * @param {Object} options The object should contain values for
+ * kind, language, label, and src (location of the WebVTT file)
+ * @param {boolean} [manualCleanup=true] if set to false, the TextTrack will be
+ * automatically removed from the video element whenever the source changes
+ * @return {HTMLTrackElement} An Html Track Element.
+ * This can be an emulated {@link HTMLTrackElement} or a native one.
+ * @deprecated The default value of the "manualCleanup" parameter will default
+ * to "false" in upcoming versions of Video.js
+ */
+ ;
- if (source && source.src === this.cache_.src && this.cache_.currentTime > 0) {
- techOptions.startTime = this.cache_.currentTime;
- }
+ _proto.addRemoteTextTrack = function addRemoteTextTrack(options, manualCleanup) {
+ var htmlTrackElement = _Tech.prototype.addRemoteTextTrack.call(this, options, manualCleanup);
- // Initialize tech instance
- var TechClass = Tech.getTech(techName);
+ if (this.featuresNativeTextTracks) {
+ this.el().appendChild(htmlTrackElement);
+ }
- if (!TechClass) {
- throw new Error('No Tech named \'' + titleTechName + '\' exists! \'' + titleTechName + '\' should be registered using videojs.registerTech()\'');
+ return htmlTrackElement;
}
+ /**
+ * Remove remote `TextTrack` from `TextTrackList` object
+ *
+ * @param {TextTrack} track
+ * `TextTrack` object to remove
+ */
+ ;
- this.tech_ = new TechClass(techOptions);
+ _proto.removeRemoteTextTrack = function removeRemoteTextTrack(track) {
+ _Tech.prototype.removeRemoteTextTrack.call(this, track);
- // player.triggerReady is always async, so don't need this to be async
- this.tech_.ready(bind(this, this.handleTechReady_), true);
+ if (this.featuresNativeTextTracks) {
+ var tracks = this.$$('track');
+ var i = tracks.length;
- textTrackConverter.jsonToTextTracks(this.textTracksJson_ || [], this.tech_);
+ while (i--) {
+ if (track === tracks[i] || track === tracks[i].track) {
+ this.el().removeChild(tracks[i]);
+ }
+ }
+ }
+ }
+ /**
+ * Gets available media playback quality metrics as specified by the W3C's Media
+ * Playback Quality API.
+ *
+ * @see [Spec]{@link https://wicg.github.io/media-playback-quality}
+ *
+ * @return {Object}
+ * An object with supported media playback quality metrics
+ */
+ ;
- // Listen to all HTML5-defined events and trigger them on the player
- TECH_EVENTS_RETRIGGER.forEach(function (event) {
- _this2.on(_this2.tech_, event, _this2['handleTech' + toTitleCase(event) + '_']);
- });
- this.on(this.tech_, 'loadstart', this.handleTechLoadStart_);
- this.on(this.tech_, 'waiting', this.handleTechWaiting_);
- this.on(this.tech_, 'canplay', this.handleTechCanPlay_);
- this.on(this.tech_, 'canplaythrough', this.handleTechCanPlayThrough_);
- this.on(this.tech_, 'playing', this.handleTechPlaying_);
- this.on(this.tech_, 'ended', this.handleTechEnded_);
- this.on(this.tech_, 'seeking', this.handleTechSeeking_);
- this.on(this.tech_, 'seeked', this.handleTechSeeked_);
- this.on(this.tech_, 'play', this.handleTechPlay_);
- this.on(this.tech_, 'firstplay', this.handleTechFirstPlay_);
- this.on(this.tech_, 'pause', this.handleTechPause_);
- this.on(this.tech_, 'durationchange', this.handleTechDurationChange_);
- this.on(this.tech_, 'fullscreenchange', this.handleTechFullscreenChange_);
- this.on(this.tech_, 'error', this.handleTechError_);
- this.on(this.tech_, 'loadedmetadata', this.updateStyleEl_);
- this.on(this.tech_, 'posterchange', this.handleTechPosterChange_);
- this.on(this.tech_, 'textdata', this.handleTechTextData_);
+ _proto.getVideoPlaybackQuality = function getVideoPlaybackQuality() {
+ if (typeof this.el().getVideoPlaybackQuality === 'function') {
+ return this.el().getVideoPlaybackQuality();
+ }
- this.usingNativeControls(this.techGet_('controls'));
+ var videoPlaybackQuality = {};
- if (this.controls() && !this.usingNativeControls()) {
- this.addTechControlsListeners_();
- }
+ if (typeof this.el().webkitDroppedFrameCount !== 'undefined' && typeof this.el().webkitDecodedFrameCount !== 'undefined') {
+ videoPlaybackQuality.droppedVideoFrames = this.el().webkitDroppedFrameCount;
+ videoPlaybackQuality.totalVideoFrames = this.el().webkitDecodedFrameCount;
+ }
- // Add the tech element in the DOM if it was not already there
- // Make sure to not insert the original video element if using Html5
- if (this.tech_.el().parentNode !== this.el() && (titleTechName !== 'Html5' || !this.tag)) {
- prependTo(this.tech_.el(), this.el());
- }
+ if (window$3.performance && typeof window$3.performance.now === 'function') {
+ videoPlaybackQuality.creationTime = window$3.performance.now();
+ } else if (window$3.performance && window$3.performance.timing && typeof window$3.performance.timing.navigationStart === 'number') {
+ videoPlaybackQuality.creationTime = window$3.Date.now() - window$3.performance.timing.navigationStart;
+ }
- // Get rid of the original video tag reference after the first tech is loaded
- if (this.tag) {
- this.tag.player = null;
- this.tag = null;
- }
- };
+ return videoPlaybackQuality;
+ };
+
+ return Html5;
+ }(Tech);
+ /* HTML5 Support Testing ---------------------------------------------------- */
/**
- * Unload and dispose of the current playback {@link Tech}.
+ * Element for testing browser HTML5 media capabilities
*
+ * @type {Element}
+ * @constant
* @private
*/
- Player.prototype.unloadTech_ = function unloadTech_() {
- var _this3 = this;
-
- // Save the current text tracks so that we can reuse the same text tracks with the next tech
- ALL.names.forEach(function (name$$1) {
- var props = ALL[name$$1];
-
- _this3[props.privateName] = _this3[props.getterName]();
- });
- this.textTracksJson_ = textTrackConverter.textTracksToJson(this.tech_);
-
- this.isReady_ = false;
-
- this.tech_.dispose();
-
- this.tech_ = false;
- };
+ defineLazyProperty(Html5, 'TEST_VID', function () {
+ if (!isReal()) {
+ return;
+ }
+ var video = document.createElement('video');
+ var track = document.createElement('track');
+ track.kind = 'captions';
+ track.srclang = 'en';
+ track.label = 'English';
+ video.appendChild(track);
+ return video;
+ });
/**
- * Return a reference to the current {@link Tech}.
- * It will print a warning by default about the danger of using the tech directly
- * but any argument that is passed in will silence the warning.
+ * Check if HTML5 media is supported by this browser/device.
*
- * @param {*} [safety]
- * Anything passed in to silence the warning
- *
- * @return {Tech}
- * The Tech
+ * @return {boolean}
+ * - True if HTML5 media is supported.
+ * - False if HTML5 media is not supported.
*/
-
- Player.prototype.tech = function tech(safety) {
- if (safety === undefined) {
- log$1.warn(tsml(_templateObject$1));
+ Html5.isSupported = function () {
+ // IE with no Media Player is a LIAR! (#984)
+ try {
+ Html5.TEST_VID.volume = 0.5;
+ } catch (e) {
+ return false;
}
- return this.tech_;
+ return !!(Html5.TEST_VID && Html5.TEST_VID.canPlayType);
};
-
/**
- * Set up click and touch listeners for the playback element
- *
- * - On desktops: a click on the video itself will toggle playback
- * - On mobile devices: a click on the video toggles controls
- * which is done by toggling the user state between active and
- * inactive
- * - A tap can signal that a user has become active or has become inactive
- * e.g. a quick tap on an iPhone movie should reveal the controls. Another
- * quick tap should hide them again (signaling the user is in an inactive
- * viewing state)
- * - In addition to this, we still want the user to be considered inactive after
- * a few seconds of inactivity.
+ * Check if the tech can support the given type
*
- * > Note: the only part of iOS interaction we can't mimic with this setup
- * is a touch and hold on the video element counting as activity in order to
- * keep the controls showing, but that shouldn't be an issue. A touch and hold
- * on any controls will still keep the user active
- *
- * @private
+ * @param {string} type
+ * The mimetype to check
+ * @return {string} 'probably', 'maybe', or '' (empty string)
*/
- Player.prototype.addTechControlsListeners_ = function addTechControlsListeners_() {
- // Make sure to remove all the previous listeners in case we are called multiple times.
- this.removeTechControlsListeners_();
-
- // Some browsers (Chrome & IE) don't trigger a click on a flash swf, but do
- // trigger mousedown/up.
- // http://stackoverflow.com/questions/1444562/javascript-onclick-event-over-flash-object
- // Any touch events are set to block the mousedown event from happening
- this.on(this.tech_, 'mousedown', this.handleTechClick_);
-
- // If the controls were hidden we don't want that to change without a tap event
- // so we'll check if the controls were already showing before reporting user
- // activity
- this.on(this.tech_, 'touchstart', this.handleTechTouchStart_);
- this.on(this.tech_, 'touchmove', this.handleTechTouchMove_);
- this.on(this.tech_, 'touchend', this.handleTechTouchEnd_);
-
- // The tap listener needs to come after the touchend listener because the tap
- // listener cancels out any reportedUserActivity when setting userActive(false)
- this.on(this.tech_, 'tap', this.handleTechTap_);
+ Html5.canPlayType = function (type) {
+ return Html5.TEST_VID.canPlayType(type);
};
-
/**
- * Remove the listeners used for click and tap controls. This is needed for
- * toggling to controls disabled, where a tap/touch should do nothing.
+ * Check if the tech can support the given source
*
- * @private
+ * @param {Object} srcObj
+ * The source object
+ * @param {Object} options
+ * The options passed to the tech
+ * @return {string} 'probably', 'maybe', or '' (empty string)
*/
- Player.prototype.removeTechControlsListeners_ = function removeTechControlsListeners_() {
- // We don't want to just use `this.off()` because there might be other needed
- // listeners added by techs that extend this.
- this.off(this.tech_, 'tap', this.handleTechTap_);
- this.off(this.tech_, 'touchstart', this.handleTechTouchStart_);
- this.off(this.tech_, 'touchmove', this.handleTechTouchMove_);
- this.off(this.tech_, 'touchend', this.handleTechTouchEnd_);
- this.off(this.tech_, 'mousedown', this.handleTechClick_);
+ Html5.canPlaySource = function (srcObj, options) {
+ return Html5.canPlayType(srcObj.type);
};
-
/**
- * Player waits for the tech to be ready
+ * Check if the volume can be changed in this browser/device.
+ * Volume cannot be changed in a lot of mobile devices.
+ * Specifically, it can't be changed from 1 on iOS.
*
- * @private
+ * @return {boolean}
+ * - True if volume can be controlled
+ * - False otherwise
*/
- Player.prototype.handleTechReady_ = function handleTechReady_() {
- this.triggerReady();
-
- // Keep the same volume as before
- if (this.cache_.volume) {
- this.techCall_('setVolume', this.cache_.volume);
- }
-
- // Look if the tech found a higher resolution poster while loading
- this.handleTechPosterChange_();
-
- // Update the duration if available
- this.handleTechDurationChange_();
-
- // Chrome and Safari both have issues with autoplay.
- // In Safari (5.1.1), when we move the video element into the container div, autoplay doesn't work.
- // In Chrome (15), if you have autoplay + a poster + no controls, the video gets hidden (but audio plays)
- // This fixes both issues. Need to wait for API, so it updates displays correctly
- if ((this.src() || this.currentSrc()) && this.tag && this.options_.autoplay && this.paused()) {
- try {
- // Chrome Fix. Fixed in Chrome v16.
- delete this.tag.poster;
- } catch (e) {
- log$1('deleting tag.poster throws in some browsers', e);
- }
+ Html5.canControlVolume = function () {
+ // IE will error if Windows Media Player not installed #3315
+ try {
+ var volume = Html5.TEST_VID.volume;
+ Html5.TEST_VID.volume = volume / 2 + 0.1;
+ return volume !== Html5.TEST_VID.volume;
+ } catch (e) {
+ return false;
}
};
-
/**
- * Retrigger the `loadstart` event that was triggered by the {@link Tech}. This
- * function will also trigger {@link Player#firstplay} if it is the first loadstart
- * for a video.
+ * Check if the volume can be muted in this browser/device.
+ * Some devices, e.g. iOS, don't allow changing volume
+ * but permits muting/unmuting.
*
- * @fires Player#loadstart
- * @fires Player#firstplay
- * @listens Tech#loadstart
- * @private
+ * @return {bolean}
+ * - True if volume can be muted
+ * - False otherwise
*/
- Player.prototype.handleTechLoadStart_ = function handleTechLoadStart_() {
- // TODO: Update to use `emptied` event instead. See #1277.
+ Html5.canMuteVolume = function () {
+ try {
+ var muted = Html5.TEST_VID.muted; // in some versions of iOS muted property doesn't always
+ // work, so we want to set both property and attribute
- this.removeClass('vjs-ended');
- this.removeClass('vjs-seeking');
+ Html5.TEST_VID.muted = !muted;
- // reset the error state
- this.error(null);
+ if (Html5.TEST_VID.muted) {
+ setAttribute(Html5.TEST_VID, 'muted', 'muted');
+ } else {
+ removeAttribute(Html5.TEST_VID, 'muted', 'muted');
+ }
- // If it's already playing we want to trigger a firstplay event now.
- // The firstplay event relies on both the play and loadstart events
- // which can happen in any order for a new source
- if (!this.paused()) {
- /**
- * Fired when the user agent begins looking for media data
- *
- * @event Player#loadstart
- * @type {EventTarget~Event}
- */
- this.trigger('loadstart');
- this.trigger('firstplay');
- } else {
- // reset the hasStarted state
- this.hasStarted(false);
- this.trigger('loadstart');
+ return muted !== Html5.TEST_VID.muted;
+ } catch (e) {
+ return false;
}
};
-
/**
- * Add/remove the vjs-has-started class
- *
- * @fires Player#firstplay
- *
- * @param {boolean} request
- * - true: adds the class
- * - false: remove the class
+ * Check if the playback rate can be changed in this browser/device.
*
* @return {boolean}
- * the boolean value of hasStarted_
+ * - True if playback rate can be controlled
+ * - False otherwise
*/
- Player.prototype.hasStarted = function hasStarted(request) {
- if (request === undefined) {
- // act as getter, if we have no request to change
- return this.hasStarted_;
- }
-
- if (request === this.hasStarted_) {
- return;
- }
+ Html5.canControlPlaybackRate = function () {
+ // Playback rate API is implemented in Android Chrome, but doesn't do anything
+ // https://github.com/videojs/video.js/issues/3180
+ if (IS_ANDROID && IS_CHROME && CHROME_VERSION < 58) {
+ return false;
+ } // IE will error if Windows Media Player not installed #3315
- this.hasStarted_ = request;
- if (this.hasStarted_) {
- this.addClass('vjs-has-started');
- this.trigger('firstplay');
- } else {
- this.removeClass('vjs-has-started');
+ try {
+ var playbackRate = Html5.TEST_VID.playbackRate;
+ Html5.TEST_VID.playbackRate = playbackRate / 2 + 0.1;
+ return playbackRate !== Html5.TEST_VID.playbackRate;
+ } catch (e) {
+ return false;
}
};
-
/**
- * Fired whenever the media begins or resumes playback
+ * Check if we can override a video/audio elements attributes, with
+ * Object.defineProperty.
*
- * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-play}
- * @fires Player#play
- * @listens Tech#play
- * @private
+ * @return {boolean}
+ * - True if builtin attributes can be overridden
+ * - False otherwise
*/
- Player.prototype.handleTechPlay_ = function handleTechPlay_() {
- this.removeClass('vjs-ended');
- this.removeClass('vjs-paused');
- this.addClass('vjs-playing');
+ Html5.canOverrideAttributes = function () {
+ // if we cannot overwrite the src/innerHTML property, there is no support
+ // iOS 7 safari for instance cannot do this.
+ try {
+ var noop = function noop() {};
- // hide the poster when the user hits play
- this.hasStarted(true);
- /**
- * Triggered whenever an {@link Tech#play} event happens. Indicates that
- * playback has started or resumed.
- *
- * @event Player#play
- * @type {EventTarget~Event}
- */
- this.trigger('play');
- };
+ Object.defineProperty(document.createElement('video'), 'src', {
+ get: noop,
+ set: noop
+ });
+ Object.defineProperty(document.createElement('audio'), 'src', {
+ get: noop,
+ set: noop
+ });
+ Object.defineProperty(document.createElement('video'), 'innerHTML', {
+ get: noop,
+ set: noop
+ });
+ Object.defineProperty(document.createElement('audio'), 'innerHTML', {
+ get: noop,
+ set: noop
+ });
+ } catch (e) {
+ return false;
+ }
+ return true;
+ };
/**
- * Retrigger the `waiting` event that was triggered by the {@link Tech}.
+ * Check to see if native `TextTrack`s are supported by this browser/device.
*
- * @fires Player#waiting
- * @listens Tech#waiting
- * @private
+ * @return {boolean}
+ * - True if native `TextTrack`s are supported.
+ * - False otherwise
*/
- Player.prototype.handleTechWaiting_ = function handleTechWaiting_() {
- var _this4 = this;
-
- this.addClass('vjs-waiting');
- /**
- * A readyState change on the DOM element has caused playback to stop.
- *
- * @event Player#waiting
- * @type {EventTarget~Event}
- */
- this.trigger('waiting');
- this.one('timeupdate', function () {
- return _this4.removeClass('vjs-waiting');
- });
+ Html5.supportsNativeTextTracks = function () {
+ return IS_ANY_SAFARI || IS_IOS && IS_CHROME;
};
-
/**
- * Retrigger the `canplay` event that was triggered by the {@link Tech}.
- * > Note: This is not consistent between browsers. See #1351
+ * Check to see if native `VideoTrack`s are supported by this browser/device
*
- * @fires Player#canplay
- * @listens Tech#canplay
- * @private
+ * @return {boolean}
+ * - True if native `VideoTrack`s are supported.
+ * - False otherwise
*/
- Player.prototype.handleTechCanPlay_ = function handleTechCanPlay_() {
- this.removeClass('vjs-waiting');
- /**
- * The media has a readyState of HAVE_FUTURE_DATA or greater.
- *
- * @event Player#canplay
- * @type {EventTarget~Event}
- */
- this.trigger('canplay');
+ Html5.supportsNativeVideoTracks = function () {
+ return !!(Html5.TEST_VID && Html5.TEST_VID.videoTracks);
};
-
/**
- * Retrigger the `canplaythrough` event that was triggered by the {@link Tech}.
+ * Check to see if native `AudioTrack`s are supported by this browser/device
*
- * @fires Player#canplaythrough
- * @listens Tech#canplaythrough
- * @private
+ * @return {boolean}
+ * - True if native `AudioTrack`s are supported.
+ * - False otherwise
*/
- Player.prototype.handleTechCanPlayThrough_ = function handleTechCanPlayThrough_() {
- this.removeClass('vjs-waiting');
- /**
- * The media has a readyState of HAVE_ENOUGH_DATA or greater. This means that the
- * entire media file can be played without buffering.
- *
- * @event Player#canplaythrough
- * @type {EventTarget~Event}
- */
- this.trigger('canplaythrough');
+ Html5.supportsNativeAudioTracks = function () {
+ return !!(Html5.TEST_VID && Html5.TEST_VID.audioTracks);
};
-
/**
- * Retrigger the `playing` event that was triggered by the {@link Tech}.
+ * An array of events available on the Html5 tech.
*
- * @fires Player#playing
- * @listens Tech#playing
* @private
+ * @type {Array}
*/
- Player.prototype.handleTechPlaying_ = function handleTechPlaying_() {
- this.removeClass('vjs-waiting');
- /**
- * The media is no longer blocked from playback, and has started playing.
- *
- * @event Player#playing
- * @type {EventTarget~Event}
- */
- this.trigger('playing');
- };
-
+ Html5.Events = ['loadstart', 'suspend', 'abort', 'error', 'emptied', 'stalled', 'loadedmetadata', 'loadeddata', 'canplay', 'canplaythrough', 'playing', 'waiting', 'seeking', 'seeked', 'ended', 'durationchange', 'timeupdate', 'progress', 'play', 'pause', 'ratechange', 'resize', 'volumechange'];
/**
- * Retrigger the `seeking` event that was triggered by the {@link Tech}.
+ * Boolean indicating whether the `Tech` supports volume control.
*
- * @fires Player#seeking
- * @listens Tech#seeking
- * @private
+ * @type {boolean}
+ * @default {@link Html5.canControlVolume}
*/
-
- Player.prototype.handleTechSeeking_ = function handleTechSeeking_() {
- this.addClass('vjs-seeking');
- /**
- * Fired whenever the player is jumping to a new time
- *
- * @event Player#seeking
- * @type {EventTarget~Event}
- */
- this.trigger('seeking');
- };
-
/**
- * Retrigger the `seeked` event that was triggered by the {@link Tech}.
+ * Boolean indicating whether the `Tech` supports muting volume.
*
- * @fires Player#seeked
- * @listens Tech#seeked
- * @private
+ * @type {bolean}
+ * @default {@link Html5.canMuteVolume}
*/
+ /**
+ * Boolean indicating whether the `Tech` supports changing the speed at which the media
+ * plays. Examples:
+ * - Set player to play 2x (twice) as fast
+ * - Set player to play 0.5x (half) as fast
+ *
+ * @type {boolean}
+ * @default {@link Html5.canControlPlaybackRate}
+ */
- Player.prototype.handleTechSeeked_ = function handleTechSeeked_() {
- this.removeClass('vjs-seeking');
- /**
- * Fired when the player has finished jumping to a new time
- *
- * @event Player#seeked
- * @type {EventTarget~Event}
- */
- this.trigger('seeked');
- };
+ /**
+ * Boolean indicating whether the `Tech` supports the `sourceset` event.
+ *
+ * @type {boolean}
+ * @default
+ */
/**
- * Retrigger the `firstplay` event that was triggered by the {@link Tech}.
+ * Boolean indicating whether the `HTML5` tech currently supports native `TextTrack`s.
*
- * @fires Player#firstplay
- * @listens Tech#firstplay
- * @deprecated As of 6.0 firstplay event is deprecated.
- * @deprecated As of 6.0 passing the `starttime` option to the player and the firstplay event are deprecated.
- * @private
+ * @type {boolean}
+ * @default {@link Html5.supportsNativeTextTracks}
*/
-
- Player.prototype.handleTechFirstPlay_ = function handleTechFirstPlay_() {
- // If the first starttime attribute is specified
- // then we will start at the given offset in seconds
- if (this.options_.starttime) {
- log$1.warn('Passing the `starttime` option to the player will be deprecated in 6.0');
- this.currentTime(this.options_.starttime);
- }
-
- this.addClass('vjs-has-started');
- /**
- * Fired the first time a video is played. Not part of the HLS spec, and this is
- * probably not the best implementation yet, so use sparingly. If you don't have a
- * reason to prevent playback, use `myPlayer.one('play');` instead.
- *
- * @event Player#firstplay
- * @deprecated As of 6.0 firstplay event is deprecated.
- * @type {EventTarget~Event}
- */
- this.trigger('firstplay');
- };
-
/**
- * Retrigger the `pause` event that was triggered by the {@link Tech}.
+ * Boolean indicating whether the `HTML5` tech currently supports native `VideoTrack`s.
*
- * @fires Player#pause
- * @listens Tech#pause
- * @private
+ * @type {boolean}
+ * @default {@link Html5.supportsNativeVideoTracks}
*/
-
- Player.prototype.handleTechPause_ = function handleTechPause_() {
- this.removeClass('vjs-playing');
- this.addClass('vjs-paused');
- /**
- * Fired whenever the media has been paused
- *
- * @event Player#pause
- * @type {EventTarget~Event}
- */
- this.trigger('pause');
- };
-
/**
- * Retrigger the `ended` event that was triggered by the {@link Tech}.
+ * Boolean indicating whether the `HTML5` tech currently supports native `AudioTrack`s.
*
- * @fires Player#ended
- * @listens Tech#ended
- * @private
+ * @type {boolean}
+ * @default {@link Html5.supportsNativeAudioTracks}
*/
-
- Player.prototype.handleTechEnded_ = function handleTechEnded_() {
- this.addClass('vjs-ended');
- if (this.options_.loop) {
- this.currentTime(0);
- this.play();
- } else if (!this.paused()) {
- this.pause();
- }
-
- /**
- * Fired when the end of the media resource is reached (currentTime == duration)
- *
- * @event Player#ended
- * @type {EventTarget~Event}
- */
- this.trigger('ended');
- };
-
+ [['featuresVolumeControl', 'canControlVolume'], ['featuresMuteControl', 'canMuteVolume'], ['featuresPlaybackRate', 'canControlPlaybackRate'], ['featuresSourceset', 'canOverrideAttributes'], ['featuresNativeTextTracks', 'supportsNativeTextTracks'], ['featuresNativeVideoTracks', 'supportsNativeVideoTracks'], ['featuresNativeAudioTracks', 'supportsNativeAudioTracks']].forEach(function (_ref) {
+ var key = _ref[0],
+ fn = _ref[1];
+ defineLazyProperty(Html5.prototype, key, function () {
+ return Html5[fn]();
+ }, true);
+ });
/**
- * Fired when the duration of the media resource is first known or changed
+ * Boolean indicating whether the `HTML5` tech currently supports the media element
+ * moving in the DOM. iOS breaks if you move the media element, so this is set this to
+ * false there. Everywhere else this should be true.
*
- * @listens Tech#durationchange
- * @private
+ * @type {boolean}
+ * @default
*/
-
- Player.prototype.handleTechDurationChange_ = function handleTechDurationChange_() {
- this.duration(this.techGet_('duration'));
- };
+ Html5.prototype.movingMediaElementInDOM = !IS_IOS; // TODO: Previous comment: No longer appears to be used. Can probably be removed.
+ // Is this true?
/**
- * Handle a click on the media element to play/pause
- *
- * @param {EventTarget~Event} event
- * the event that caused this function to trigger
+ * Boolean indicating whether the `HTML5` tech currently supports automatic media resize
+ * when going into fullscreen.
*
- * @listens Tech#mousedown
- * @private
+ * @type {boolean}
+ * @default
*/
-
- Player.prototype.handleTechClick_ = function handleTechClick_(event) {
- if (!isSingleLeftClick(event)) {
- return;
- }
-
- // When controls are disabled a click should not toggle playback because
- // the click is considered a control
- if (!this.controls_) {
- return;
- }
-
- if (this.paused()) {
- this.play();
- } else {
- this.pause();
- }
- };
-
+ Html5.prototype.featuresFullscreenResize = true;
/**
- * Handle a tap on the media element. It will toggle the user
- * activity state, which hides and shows the controls.
+ * Boolean indicating whether the `HTML5` tech currently supports the progress event.
+ * If this is false, manual `progress` events will be triggered instead.
*
- * @listens Tech#tap
- * @private
+ * @type {boolean}
+ * @default
*/
-
- Player.prototype.handleTechTap_ = function handleTechTap_() {
- this.userActive(!this.userActive());
- };
-
+ Html5.prototype.featuresProgressEvents = true;
/**
- * Handle touch to start
+ * Boolean indicating whether the `HTML5` tech currently supports the timeupdate event.
+ * If this is false, manual `timeupdate` events will be triggered instead.
*
- * @listens Tech#touchstart
- * @private
+ * @default
*/
+ Html5.prototype.featuresTimeupdateEvents = true; // HTML5 Feature detection and Device Fixes --------------------------------- //
- Player.prototype.handleTechTouchStart_ = function handleTechTouchStart_() {
- this.userWasActive = this.userActive();
- };
+ var canPlayType;
- /**
- * Handle touch to move
- *
- * @listens Tech#touchmove
- * @private
- */
+ Html5.patchCanPlayType = function () {
+ // Android 4.0 and above can play HLS to some extent but it reports being unable to do so
+ // Firefox and Chrome report correctly
+ if (ANDROID_VERSION >= 4.0 && !IS_FIREFOX && !IS_CHROME) {
+ canPlayType = Html5.TEST_VID && Html5.TEST_VID.constructor.prototype.canPlayType;
+ Html5.TEST_VID.constructor.prototype.canPlayType = function (type) {
+ var mpegurlRE = /^application\/(?:x-|vnd\.apple\.)mpegurl/i;
- Player.prototype.handleTechTouchMove_ = function handleTechTouchMove_() {
- if (this.userWasActive) {
- this.reportUserActivity();
+ if (type && mpegurlRE.test(type)) {
+ return 'maybe';
+ }
+
+ return canPlayType.call(this, type);
+ };
}
};
- /**
- * Handle touch to end
- *
- * @param {EventTarget~Event} event
- * the touchend event that triggered
- * this function
- *
- * @listens Tech#touchend
- * @private
- */
+ Html5.unpatchCanPlayType = function () {
+ var r = Html5.TEST_VID.constructor.prototype.canPlayType;
+ if (canPlayType) {
+ Html5.TEST_VID.constructor.prototype.canPlayType = canPlayType;
+ }
- Player.prototype.handleTechTouchEnd_ = function handleTechTouchEnd_(event) {
- // Stop the mouse events from also happening
- event.preventDefault();
- };
+ return r;
+ }; // by default, patch the media element
- /**
- * Fired when the player switches in or out of fullscreen mode
- *
- * @private
- * @listens Player#fullscreenchange
- */
+ Html5.patchCanPlayType();
- Player.prototype.handleFullscreenChange_ = function handleFullscreenChange_() {
- if (this.isFullscreen()) {
- this.addClass('vjs-fullscreen');
- } else {
- this.removeClass('vjs-fullscreen');
+ Html5.disposeMediaElement = function (el) {
+ if (!el) {
+ return;
}
- };
- /**
- * native click events on the SWF aren't triggered on IE11, Win8.1RT
- * use stageclick events triggered from inside the SWF instead
- *
- * @private
- * @listens stageclick
- */
+ if (el.parentNode) {
+ el.parentNode.removeChild(el);
+ } // remove any child track or source nodes to prevent their loading
- Player.prototype.handleStageClick_ = function handleStageClick_() {
- this.reportUserActivity();
- };
+ while (el.hasChildNodes()) {
+ el.removeChild(el.firstChild);
+ } // remove any src reference. not setting `src=''` because that causes a warning
+ // in firefox
- /**
- * Handle Tech Fullscreen Change
- *
- * @param {EventTarget~Event} event
- * the fullscreenchange event that triggered this function
- *
- * @param {Object} data
- * the data that was sent with the event
- *
- * @private
- * @listens Tech#fullscreenchange
- * @fires Player#fullscreenchange
- */
+ el.removeAttribute('src'); // force the media element to update its loading state by calling load()
+ // however IE on Windows 7N has a bug that throws an error so need a try/catch (#793)
- Player.prototype.handleTechFullscreenChange_ = function handleTechFullscreenChange_(event, data) {
- if (data) {
- this.isFullscreen(data.isFullscreen);
+ if (typeof el.load === 'function') {
+ // wrapping in an iife so it's not deoptimized (#1060#discussion_r10324473)
+ (function () {
+ try {
+ el.load();
+ } catch (e) {// not supported
+ }
+ })();
}
- /**
- * Fired when going in and out of fullscreen.
- *
- * @event Player#fullscreenchange
- * @type {EventTarget~Event}
- */
- this.trigger('fullscreenchange');
};
- /**
- * Fires when an error occurred during the loading of an audio/video.
- *
- * @private
- * @listens Tech#error
- */
-
-
- Player.prototype.handleTechError_ = function handleTechError_() {
- var error = this.tech_.error();
+ Html5.resetMediaElement = function (el) {
+ if (!el) {
+ return;
+ }
- this.error(error);
- };
+ var sources = el.querySelectorAll('source');
+ var i = sources.length;
- /**
- * Retrigger the `textdata` event that was triggered by the {@link Tech}.
- *
- * @fires Player#textdata
- * @listens Tech#textdata
- * @private
- */
+ while (i--) {
+ el.removeChild(sources[i]);
+ } // remove any src reference.
+ // not setting `src=''` because that throws an error
- Player.prototype.handleTechTextData_ = function handleTechTextData_() {
- var data = null;
+ el.removeAttribute('src');
- if (arguments.length > 1) {
- data = arguments[1];
+ if (typeof el.load === 'function') {
+ // wrapping in an iife so it's not deoptimized (#1060#discussion_r10324473)
+ (function () {
+ try {
+ el.load();
+ } catch (e) {// satisfy linter
+ }
+ })();
}
-
- /**
- * Fires when we get a textdata event from tech
- *
- * @event Player#textdata
- * @type {EventTarget~Event}
- */
- this.trigger('textdata', data);
};
+ /* Native HTML5 element property wrapping ----------------------------------- */
+ // Wrap native boolean attributes with getters that check both property and attribute
+ // The list is as followed:
+ // muted, defaultMuted, autoplay, controls, loop, playsinline
+
+ [
/**
- * Get object for cached values.
+ * Get the value of `muted` from the media element. `muted` indicates
+ * that the volume for the media should be set to silent. This does not actually change
+ * the `volume` attribute.
*
- * @return {Object}
- * get the current object cache
+ * @method Html5#muted
+ * @return {boolean}
+ * - True if the value of `volume` should be ignored and the audio set to silent.
+ * - False if the value of `volume` should be used.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-muted}
*/
-
-
- Player.prototype.getCache = function getCache() {
- return this.cache_;
- };
-
+ 'muted',
/**
- * Pass values to the playback tech
- *
- * @param {string} [method]
- * the method to call
+ * Get the value of `defaultMuted` from the media element. `defaultMuted` indicates
+ * whether the media should start muted or not. Only changes the default state of the
+ * media. `muted` and `defaultMuted` can have different values. {@link Html5#muted} indicates the
+ * current state.
*
- * @param {Object} arg
- * the argument to pass
+ * @method Html5#defaultMuted
+ * @return {boolean}
+ * - The value of `defaultMuted` from the media element.
+ * - True indicates that the media should start muted.
+ * - False indicates that the media should not start muted
*
- * @private
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultmuted}
*/
-
-
- Player.prototype.techCall_ = function techCall_(method, arg) {
- // If it's not ready yet, call method when it is
-
- this.ready(function () {
- if (method in allowedSetters) {
- return set$1(this.middleware_, this.tech_, method, arg);
- } else if (method in allowedMediators) {
- return mediate(this.middleware_, this.tech_, method, arg);
- }
-
- try {
- if (this.tech_) {
- this.tech_[method](arg);
- }
- } catch (e) {
- log$1(e);
- throw e;
- }
- }, true);
- };
-
+ 'defaultMuted',
/**
- * Get calls can't wait for the tech, and sometimes don't need to.
+ * Get the value of `autoplay` from the media element. `autoplay` indicates
+ * that the media should start to play as soon as the page is ready.
*
- * @param {string} method
- * Tech method
- *
- * @return {Function|undefined}
- * the method or undefined
+ * @method Html5#autoplay
+ * @return {boolean}
+ * - The value of `autoplay` from the media element.
+ * - True indicates that the media should start as soon as the page loads.
+ * - False indicates that the media should not start as soon as the page loads.
*
- * @private
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-autoplay}
*/
-
-
- Player.prototype.techGet_ = function techGet_(method) {
- if (!this.tech_ || !this.tech_.isReady_) {
- return;
- }
-
- if (method in allowedGetters) {
- return get$1(this.middleware_, this.tech_, method);
- } else if (method in allowedMediators) {
- return mediate(this.middleware_, this.tech_, method);
- }
-
- // Flash likes to die and reload when you hide or reposition it.
- // In these cases the object methods go away and we get errors.
- // When that happens we'll catch the errors and inform tech that it's not ready any more.
- try {
- return this.tech_[method]();
- } catch (e) {
-
- // When building additional tech libs, an expected method may not be defined yet
- if (this.tech_[method] === undefined) {
- log$1('Video.js: ' + method + ' method not defined for ' + this.techName_ + ' playback technology.', e);
- throw e;
- }
-
- // When a method isn't available on the object it throws a TypeError
- if (e.name === 'TypeError') {
- log$1('Video.js: ' + method + ' unavailable on ' + this.techName_ + ' playback technology element.', e);
- this.tech_.isReady_ = false;
- throw e;
- }
-
- // If error unknown, just log and throw
- log$1(e);
- throw e;
- }
- };
-
+ 'autoplay',
/**
- * Attempt to begin playback at the first opportunity.
+ * Get the value of `controls` from the media element. `controls` indicates
+ * whether the native media controls should be shown or hidden.
+ *
+ * @method Html5#controls
+ * @return {boolean}
+ * - The value of `controls` from the media element.
+ * - True indicates that native controls should be showing.
+ * - False indicates that native controls should be hidden.
*
- * @return {Promise|undefined}
- * Returns a `Promise` only if the browser returns one and the player
- * is ready to begin playback. For some browsers and all non-ready
- * situations, this will return `undefined`.
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-controls}
*/
-
-
- Player.prototype.play = function play() {
- var _this5 = this;
-
- // If this is called while we have a play queued up on a loadstart, remove
- // that listener to avoid getting in a potentially bad state.
- if (this.playOnLoadstart_) {
- this.off('loadstart', this.playOnLoadstart_);
- }
-
- // If the player/tech is not ready, queue up another call to `play()` for
- // when it is. This will loop back into this method for another attempt at
- // playback when the tech is ready.
- if (!this.isReady_) {
-
- // Bail out if we're already waiting for `ready`!
- if (this.playWaitingForReady_) {
- return;
- }
-
- this.playWaitingForReady_ = true;
- this.ready(function () {
- _this5.playWaitingForReady_ = false;
- silencePromise(_this5.play());
- });
-
- // If the player/tech is ready and we have a source, we can attempt playback.
- } else if (!this.changingSrc_ && (this.src() || this.currentSrc())) {
- return this.techGet_('play');
-
- // If the tech is ready, but we do not have a source, we'll need to wait
- // for both the `ready` and a `loadstart` when the source is finally
- // resolved by middleware and set on the player.
- //
- // This can happen if `play()` is called while changing sources or before
- // one has been set on the player.
- } else {
-
- this.playOnLoadstart_ = function () {
- _this5.playOnLoadstart_ = null;
- silencePromise(_this5.play());
- };
-
- this.one('loadstart', this.playOnLoadstart_);
- }
- };
-
+ 'controls',
/**
- * Pause the video playback
+ * Get the value of `loop` from the media element. `loop` indicates
+ * that the media should return to the start of the media and continue playing once
+ * it reaches the end.
*
- * @return {Player}
- * A reference to the player object this function was called on
+ * @method Html5#loop
+ * @return {boolean}
+ * - The value of `loop` from the media element.
+ * - True indicates that playback should seek back to start once
+ * the end of a media is reached.
+ * - False indicates that playback should not loop back to the start when the
+ * end of the media is reached.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-loop}
*/
-
-
- Player.prototype.pause = function pause() {
- this.techCall_('pause');
- };
-
+ 'loop',
/**
- * Check if the player is paused or has yet to play
+ * Get the value of `playsinline` from the media element. `playsinline` indicates
+ * to the browser that non-fullscreen playback is preferred when fullscreen
+ * playback is the native default, such as in iOS Safari.
*
+ * @method Html5#playsinline
* @return {boolean}
- * - false: if the media is currently playing
- * - true: if media is not currently playing
+ * - The value of `playsinline` from the media element.
+ * - True indicates that the media should play inline.
+ * - False indicates that the media should not play inline.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}
*/
+ 'playsinline'].forEach(function (prop) {
+ Html5.prototype[prop] = function () {
+ return this.el_[prop] || this.el_.hasAttribute(prop);
+ };
+ }); // Wrap native boolean attributes with setters that set both property and attribute
+ // The list is as followed:
+ // setMuted, setDefaultMuted, setAutoplay, setLoop, setPlaysinline
+ // setControls is special-cased above
-
- Player.prototype.paused = function paused() {
- // The initial state of paused should be true (in Safari it's actually false)
- return this.techGet_('paused') === false ? false : true;
- };
-
+ [
/**
- * Get a TimeRange object representing the current ranges of time that the user
- * has played.
+ * Set the value of `muted` on the media element. `muted` indicates that the current
+ * audio level should be silent.
*
- * @return {TimeRange}
- * A time range object that represents all the increments of time that have
- * been played.
+ * @method Html5#setMuted
+ * @param {boolean} muted
+ * - True if the audio should be set to silent
+ * - False otherwise
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-muted}
*/
-
-
- Player.prototype.played = function played() {
- return this.techGet_('played') || createTimeRanges(0, 0);
- };
-
+ 'muted',
/**
- * Returns whether or not the user is "scrubbing". Scrubbing is
- * when the user has clicked the progress bar handle and is
- * dragging it along the progress bar.
+ * Set the value of `defaultMuted` on the media element. `defaultMuted` indicates that the current
+ * audio level should be silent, but will only effect the muted level on intial playback..
*
- * @param {boolean} [isScrubbing]
- * wether the user is or is not scrubbing
+ * @method Html5.prototype.setDefaultMuted
+ * @param {boolean} defaultMuted
+ * - True if the audio should be set to silent
+ * - False otherwise
*
- * @return {boolean}
- * The value of scrubbing when getting
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultmuted}
*/
-
-
- Player.prototype.scrubbing = function scrubbing(isScrubbing) {
- if (typeof isScrubbing === 'undefined') {
- return this.scrubbing_;
- }
- this.scrubbing_ = !!isScrubbing;
-
- if (isScrubbing) {
- this.addClass('vjs-scrubbing');
- } else {
- this.removeClass('vjs-scrubbing');
- }
- };
-
+ 'defaultMuted',
/**
- * Get or set the current time (in seconds)
+ * Set the value of `autoplay` on the media element. `autoplay` indicates
+ * that the media should start to play as soon as the page is ready.
*
- * @param {number|string} [seconds]
- * The time to seek to in seconds
+ * @method Html5#setAutoplay
+ * @param {boolean} autoplay
+ * - True indicates that the media should start as soon as the page loads.
+ * - False indicates that the media should not start as soon as the page loads.
*
- * @return {number}
- * - the current time in seconds when getting
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-autoplay}
*/
-
-
- Player.prototype.currentTime = function currentTime(seconds) {
- if (typeof seconds !== 'undefined') {
- if (seconds < 0) {
- seconds = 0;
- }
- this.techCall_('setCurrentTime', seconds);
- return;
- }
-
- // cache last currentTime and return. default to 0 seconds
- //
- // Caching the currentTime is meant to prevent a massive amount of reads on the tech's
- // currentTime when scrubbing, but may not provide much performance benefit afterall.
- // Should be tested. Also something has to read the actual current time or the cache will
- // never get updated.
- this.cache_.currentTime = this.techGet_('currentTime') || 0;
- return this.cache_.currentTime;
- };
-
+ 'autoplay',
/**
- * Normally gets the length in time of the video in seconds;
- * in all but the rarest use cases an argument will NOT be passed to the method
+ * Set the value of `loop` on the media element. `loop` indicates
+ * that the media should return to the start of the media and continue playing once
+ * it reaches the end.
*
- * > **NOTE**: The video must have started loading before the duration can be
- * known, and in the case of Flash, may not be known until the video starts
- * playing.
+ * @method Html5#setLoop
+ * @param {boolean} loop
+ * - True indicates that playback should seek back to start once
+ * the end of a media is reached.
+ * - False indicates that playback should not loop back to the start when the
+ * end of the media is reached.
*
- * @fires Player#durationchange
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-loop}
+ */
+ 'loop',
+ /**
+ * Set the value of `playsinline` from the media element. `playsinline` indicates
+ * to the browser that non-fullscreen playback is preferred when fullscreen
+ * playback is the native default, such as in iOS Safari.
*
- * @param {number} [seconds]
- * The duration of the video to set in seconds
+ * @method Html5#setPlaysinline
+ * @param {boolean} playsinline
+ * - True indicates that the media should play inline.
+ * - False indicates that the media should not play inline.
*
- * @return {number}
- * - The duration of the video in seconds when getting
+ * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}
*/
+ 'playsinline'].forEach(function (prop) {
+ Html5.prototype['set' + toTitleCase(prop)] = function (v) {
+ this.el_[prop] = v;
-
- Player.prototype.duration = function duration(seconds) {
- if (seconds === undefined) {
- // return NaN if the duration is not known
- return this.cache_.duration !== undefined ? this.cache_.duration : NaN;
- }
-
- seconds = parseFloat(seconds);
-
- // Standardize on Inifity for signaling video is live
- if (seconds < 0) {
- seconds = Infinity;
- }
-
- if (seconds !== this.cache_.duration) {
- // Cache the last set value for optimized scrubbing (esp. Flash)
- this.cache_.duration = seconds;
-
- if (seconds === Infinity) {
- this.addClass('vjs-live');
+ if (v) {
+ this.el_.setAttribute(prop, prop);
} else {
- this.removeClass('vjs-live');
+ this.el_.removeAttribute(prop);
}
- /**
- * @event Player#durationchange
- * @type {EventTarget~Event}
- */
- this.trigger('durationchange');
- }
- };
+ };
+ }); // Wrap native properties with a getter
+ // The list is as followed
+ // paused, currentTime, buffered, volume, poster, preload, error, seeking
+ // seekable, ended, playbackRate, defaultPlaybackRate, played, networkState
+ // readyState, videoWidth, videoHeight, crossOrigin
+ [
/**
- * Calculates how much time is left in the video. Not part
- * of the native video API.
+ * Get the value of `paused` from the media element. `paused` indicates whether the media element
+ * is currently paused or not.
*
- * @return {number}
- * The time remaining in seconds
+ * @method Html5#paused
+ * @return {boolean}
+ * The value of `paused` from the media element.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-paused}
*/
-
-
- Player.prototype.remainingTime = function remainingTime() {
- return this.duration() - this.currentTime();
- };
-
+ 'paused',
/**
- * A remaining time function that is intented to be used when
- * the time is to be displayed directly to the user.
+ * Get the value of `currentTime` from the media element. `currentTime` indicates
+ * the current second that the media is at in playback.
*
+ * @method Html5#currentTime
* @return {number}
- * The rounded time remaining in seconds
+ * The value of `currentTime` from the media element.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-currenttime}
*/
-
-
- Player.prototype.remainingTimeDisplay = function remainingTimeDisplay() {
- return Math.floor(this.duration()) - Math.floor(this.currentTime());
- };
-
- //
- // Kind of like an array of portions of the video that have been downloaded.
-
+ 'currentTime',
+ /**
+ * Get the value of `buffered` from the media element. `buffered` is a `TimeRange`
+ * object that represents the parts of the media that are already downloaded and
+ * available for playback.
+ *
+ * @method Html5#buffered
+ * @return {TimeRange}
+ * The value of `buffered` from the media element.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-buffered}
+ */
+ 'buffered',
+ /**
+ * Get the value of `volume` from the media element. `volume` indicates
+ * the current playback volume of audio for a media. `volume` will be a value from 0
+ * (silent) to 1 (loudest and default).
+ *
+ * @method Html5#volume
+ * @return {number}
+ * The value of `volume` from the media element. Value will be between 0-1.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-a-volume}
+ */
+ 'volume',
+ /**
+ * Get the value of `poster` from the media element. `poster` indicates
+ * that the url of an image file that can/will be shown when no media data is available.
+ *
+ * @method Html5#poster
+ * @return {string}
+ * The value of `poster` from the media element. Value will be a url to an
+ * image.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-video-poster}
+ */
+ 'poster',
+ /**
+ * Get the value of `preload` from the media element. `preload` indicates
+ * what should download before the media is interacted with. It can have the following
+ * values:
+ * - none: nothing should be downloaded
+ * - metadata: poster and the first few frames of the media may be downloaded to get
+ * media dimensions and other metadata
+ * - auto: allow the media and metadata for the media to be downloaded before
+ * interaction
+ *
+ * @method Html5#preload
+ * @return {string}
+ * The value of `preload` from the media element. Will be 'none', 'metadata',
+ * or 'auto'.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-preload}
+ */
+ 'preload',
+ /**
+ * Get the value of the `error` from the media element. `error` indicates any
+ * MediaError that may have occurred during playback. If error returns null there is no
+ * current error.
+ *
+ * @method Html5#error
+ * @return {MediaError|null}
+ * The value of `error` from the media element. Will be `MediaError` if there
+ * is a current error and null otherwise.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-error}
+ */
+ 'error',
/**
- * Get a TimeRange object with an array of the times of the video
- * that have been downloaded. If you just want the percent of the
- * video that's been downloaded, use bufferedPercent.
+ * Get the value of `seeking` from the media element. `seeking` indicates whether the
+ * media is currently seeking to a new position or not.
+ *
+ * @method Html5#seeking
+ * @return {boolean}
+ * - The value of `seeking` from the media element.
+ * - True indicates that the media is currently seeking to a new position.
+ * - False indicates that the media is not seeking to a new position at this time.
*
- * @see [Buffered Spec]{@link http://dev.w3.org/html5/spec/video.html#dom-media-buffered}
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-seeking}
+ */
+ 'seeking',
+ /**
+ * Get the value of `seekable` from the media element. `seekable` returns a
+ * `TimeRange` object indicating ranges of time that can currently be `seeked` to.
*
+ * @method Html5#seekable
* @return {TimeRange}
- * A mock TimeRange object (following HTML spec)
+ * The value of `seekable` from the media element. A `TimeRange` object
+ * indicating the current ranges of time that can be seeked to.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-seekable}
*/
-
-
- Player.prototype.buffered = function buffered() {
- var buffered = this.techGet_('buffered');
-
- if (!buffered || !buffered.length) {
- buffered = createTimeRanges(0, 0);
- }
-
- return buffered;
- };
-
+ 'seekable',
+ /**
+ * Get the value of `ended` from the media element. `ended` indicates whether
+ * the media has reached the end or not.
+ *
+ * @method Html5#ended
+ * @return {boolean}
+ * - The value of `ended` from the media element.
+ * - True indicates that the media has ended.
+ * - False indicates that the media has not ended.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-ended}
+ */
+ 'ended',
/**
- * Get the percent (as a decimal) of the video that's been downloaded.
- * This method is not a part of the native HTML video API.
+ * Get the value of `playbackRate` from the media element. `playbackRate` indicates
+ * the rate at which the media is currently playing back. Examples:
+ * - if playbackRate is set to 2, media will play twice as fast.
+ * - if playbackRate is set to 0.5, media will play half as fast.
*
+ * @method Html5#playbackRate
* @return {number}
- * A decimal between 0 and 1 representing the percent
- * that is bufferred 0 being 0% and 1 being 100%
+ * The value of `playbackRate` from the media element. A number indicating
+ * the current playback speed of the media, where 1 is normal speed.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}
*/
-
-
- Player.prototype.bufferedPercent = function bufferedPercent$$1() {
- return bufferedPercent(this.buffered(), this.duration());
- };
-
+ 'playbackRate',
/**
- * Get the ending time of the last buffered time range
- * This is used in the progress bar to encapsulate all time ranges.
+ * Get the value of `defaultPlaybackRate` from the media element. `defaultPlaybackRate` indicates
+ * the rate at which the media is currently playing back. This value will not indicate the current
+ * `playbackRate` after playback has started, use {@link Html5#playbackRate} for that.
+ *
+ * Examples:
+ * - if defaultPlaybackRate is set to 2, media will play twice as fast.
+ * - if defaultPlaybackRate is set to 0.5, media will play half as fast.
*
+ * @method Html5.prototype.defaultPlaybackRate
* @return {number}
- * The end of the last buffered time range
+ * The value of `defaultPlaybackRate` from the media element. A number indicating
+ * the current playback speed of the media, where 1 is normal speed.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}
*/
-
-
- Player.prototype.bufferedEnd = function bufferedEnd() {
- var buffered = this.buffered();
- var duration = this.duration();
- var end = buffered.end(buffered.length - 1);
-
- if (end > duration) {
- end = duration;
- }
-
- return end;
- };
-
+ 'defaultPlaybackRate',
/**
- * Get or set the current volume of the media
+ * Get the value of `played` from the media element. `played` returns a `TimeRange`
+ * object representing points in the media timeline that have been played.
*
- * @param {number} [percentAsDecimal]
- * The new volume as a decimal percent:
- * - 0 is muted/0%/off
- * - 1.0 is 100%/full
- * - 0.5 is half volume or 50%
+ * @method Html5#played
+ * @return {TimeRange}
+ * The value of `played` from the media element. A `TimeRange` object indicating
+ * the ranges of time that have been played.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-played}
+ */
+ 'played',
+ /**
+ * Get the value of `networkState` from the media element. `networkState` indicates
+ * the current network state. It returns an enumeration from the following list:
+ * - 0: NETWORK_EMPTY
+ * - 1: NETWORK_IDLE
+ * - 2: NETWORK_LOADING
+ * - 3: NETWORK_NO_SOURCE
*
+ * @method Html5#networkState
* @return {number}
- * The current volume as a percent when getting
+ * The value of `networkState` from the media element. This will be a number
+ * from the list in the description.
+ *
+ * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-networkstate}
*/
-
-
- Player.prototype.volume = function volume(percentAsDecimal) {
- var vol = void 0;
-
- if (percentAsDecimal !== undefined) {
- // Force value to between 0 and 1
- vol = Math.max(0, Math.min(1, parseFloat(percentAsDecimal)));
- this.cache_.volume = vol;
- this.techCall_('setVolume', vol);
-
- if (vol > 0) {
- this.lastVolume_(vol);
- }
-
- return;
- }
-
- // Default to 1 when returning current volume.
- vol = parseFloat(this.techGet_('volume'));
- return isNaN(vol) ? 1 : vol;
- };
-
+ 'networkState',
/**
- * Get the current muted state, or turn mute on or off
+ * Get the value of `readyState` from the media element. `readyState` indicates
+ * the current state of the media element. It returns an enumeration from the
+ * following list:
+ * - 0: HAVE_NOTHING
+ * - 1: HAVE_METADATA
+ * - 2: HAVE_CURRENT_DATA
+ * - 3: HAVE_FUTURE_DATA
+ * - 4: HAVE_ENOUGH_DATA
*
- * @param {boolean} [muted]
- * - true to mute
- * - false to unmute
+ * @method Html5#readyState
+ * @return {number}
+ * The value of `readyState` from the media element. This will be a number
+ * from the list in the description.
*
- * @return {boolean}
- * - true if mute is on and getting
- * - false if mute is off and getting
+ * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#ready-states}
*/
-
-
- Player.prototype.muted = function muted(_muted) {
- if (_muted !== undefined) {
- this.techCall_('setMuted', _muted);
- return;
- }
- return this.techGet_('muted') || false;
- };
-
+ 'readyState',
/**
- * Get the current defaultMuted state, or turn defaultMuted on or off. defaultMuted
- * indicates the state of muted on intial playback.
+ * Get the value of `videoWidth` from the video element. `videoWidth` indicates
+ * the current width of the video in css pixels.
*
- * ```js
- * var myPlayer = videojs('some-player-id');
+ * @method Html5#videoWidth
+ * @return {number}
+ * The value of `videoWidth` from the video element. This will be a number
+ * in css pixels.
+ *
+ * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-video-videowidth}
+ */
+ 'videoWidth',
+ /**
+ * Get the value of `videoHeight` from the video element. `videoHeight` indicates
+ * the current height of the video in css pixels.
*
- * myPlayer.src("http://www.example.com/path/to/video.mp4");
+ * @method Html5#videoHeight
+ * @return {number}
+ * The value of `videoHeight` from the video element. This will be a number
+ * in css pixels.
*
- * // get, should be false
- * console.log(myPlayer.defaultMuted());
- * // set to true
- * myPlayer.defaultMuted(true);
- * // get should be true
- * console.log(myPlayer.defaultMuted());
- * ```
+ * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-video-videowidth}
+ */
+ 'videoHeight',
+ /**
+ * Get the value of `crossOrigin` from the media element. `crossOrigin` indicates
+ * to the browser that should sent the cookies along with the requests for the
+ * different assets/playlists
*
- * @param {boolean} [defaultMuted]
- * - true to mute
- * - false to unmute
+ * @method Html5#crossOrigin
+ * @return {string}
+ * - anonymous indicates that the media should not sent cookies.
+ * - use-credentials indicates that the media should sent cookies along the requests.
*
- * @return {boolean|Player}
- * - true if defaultMuted is on and getting
- * - false if defaultMuted is off and getting
- * - A reference to the current player when setting
+ * @see [Spec]{@link https://html.spec.whatwg.org/#attr-media-crossorigin}
*/
+ 'crossOrigin'].forEach(function (prop) {
+ Html5.prototype[prop] = function () {
+ return this.el_[prop];
+ };
+ }); // Wrap native properties with a setter in this format:
+ // set + toTitleCase(name)
+ // The list is as follows:
+ // setVolume, setSrc, setPoster, setPreload, setPlaybackRate, setDefaultPlaybackRate, setCrossOrigin
-
- Player.prototype.defaultMuted = function defaultMuted(_defaultMuted) {
- if (_defaultMuted !== undefined) {
- return this.techCall_('setDefaultMuted', _defaultMuted);
- }
- return this.techGet_('defaultMuted') || false;
- };
-
+ [
/**
- * Get the last volume, or set it
+ * Set the value of `volume` on the media element. `volume` indicates the current
+ * audio level as a percentage in decimal form. This means that 1 is 100%, 0.5 is 50%, and
+ * so on.
*
- * @param {number} [percentAsDecimal]
- * The new last volume as a decimal percent:
- * - 0 is muted/0%/off
- * - 1.0 is 100%/full
- * - 0.5 is half volume or 50%
+ * @method Html5#setVolume
+ * @param {number} percentAsDecimal
+ * The volume percent as a decimal. Valid range is from 0-1.
*
- * @return {number}
- * the current value of lastVolume as a percent when getting
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-a-volume}
+ */
+ 'volume',
+ /**
+ * Set the value of `src` on the media element. `src` indicates the current
+ * {@link Tech~SourceObject} for the media.
*
- * @private
+ * @method Html5#setSrc
+ * @param {Tech~SourceObject} src
+ * The source object to set as the current source.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-src}
*/
-
-
- Player.prototype.lastVolume_ = function lastVolume_(percentAsDecimal) {
- if (percentAsDecimal !== undefined && percentAsDecimal !== 0) {
- this.cache_.lastVolume = percentAsDecimal;
- return;
- }
- return this.cache_.lastVolume;
- };
-
+ 'src',
/**
- * Check if current tech can support native fullscreen
- * (e.g. with built in controls like iOS, so not our flash swf)
+ * Set the value of `poster` on the media element. `poster` is the url to
+ * an image file that can/will be shown when no media data is available.
*
- * @return {boolean}
- * if native fullscreen is supported
+ * @method Html5#setPoster
+ * @param {string} poster
+ * The url to an image that should be used as the `poster` for the media
+ * element.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-poster}
*/
-
-
- Player.prototype.supportsFullScreen = function supportsFullScreen() {
- return this.techGet_('supportsFullScreen') || false;
- };
-
+ 'poster',
/**
- * Check if the player is in fullscreen mode or tell the player that it
- * is or is not in fullscreen mode.
+ * Set the value of `preload` on the media element. `preload` indicates
+ * what should download before the media is interacted with. It can have the following
+ * values:
+ * - none: nothing should be downloaded
+ * - metadata: poster and the first few frames of the media may be downloaded to get
+ * media dimensions and other metadata
+ * - auto: allow the media and metadata for the media to be downloaded before
+ * interaction
*
- * > NOTE: As of the latest HTML5 spec, isFullscreen is no longer an official
- * property and instead document.fullscreenElement is used. But isFullscreen is
- * still a valuable property for internal player workings.
+ * @method Html5#setPreload
+ * @param {string} preload
+ * The value of `preload` to set on the media element. Must be 'none', 'metadata',
+ * or 'auto'.
*
- * @param {boolean} [isFS]
- * Set the players current fullscreen state
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-preload}
+ */
+ 'preload',
+ /**
+ * Set the value of `playbackRate` on the media element. `playbackRate` indicates
+ * the rate at which the media should play back. Examples:
+ * - if playbackRate is set to 2, media will play twice as fast.
+ * - if playbackRate is set to 0.5, media will play half as fast.
*
- * @return {boolean}
- * - true if fullscreen is on and getting
- * - false if fullscreen is off and getting
+ * @method Html5#setPlaybackRate
+ * @return {number}
+ * The value of `playbackRate` from the media element. A number indicating
+ * the current playback speed of the media, where 1 is normal speed.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}
*/
-
-
- Player.prototype.isFullscreen = function isFullscreen(isFS) {
- if (isFS !== undefined) {
- this.isFullscreen_ = !!isFS;
- return;
- }
- return !!this.isFullscreen_;
- };
-
+ 'playbackRate',
/**
- * Increase the size of the video to full screen
- * In some browsers, full screen is not supported natively, so it enters
- * "full window mode", where the video fills the browser window.
- * In browsers and devices that support native full screen, sometimes the
- * browser's default controls will be shown, and not the Video.js custom skin.
- * This includes most mobile devices (iOS, Android) and older versions of
- * Safari.
+ * Set the value of `defaultPlaybackRate` on the media element. `defaultPlaybackRate` indicates
+ * the rate at which the media should play back upon initial startup. Changing this value
+ * after a video has started will do nothing. Instead you should used {@link Html5#setPlaybackRate}.
*
- * @fires Player#fullscreenchange
+ * Example Values:
+ * - if playbackRate is set to 2, media will play twice as fast.
+ * - if playbackRate is set to 0.5, media will play half as fast.
+ *
+ * @method Html5.prototype.setDefaultPlaybackRate
+ * @return {number}
+ * The value of `defaultPlaybackRate` from the media element. A number indicating
+ * the current playback speed of the media, where 1 is normal speed.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultplaybackrate}
*/
-
-
- Player.prototype.requestFullscreen = function requestFullscreen() {
- var fsApi = FullscreenApi;
-
- this.isFullscreen(true);
-
- if (fsApi.requestFullscreen) {
- // the browser supports going fullscreen at the element level so we can
- // take the controls fullscreen as well as the video
-
- // Trigger fullscreenchange event after change
- // We have to specifically add this each time, and remove
- // when canceling fullscreen. Otherwise if there's multiple
- // players on a page, they would all be reacting to the same fullscreen
- // events
- on(document_1, fsApi.fullscreenchange, bind(this, function documentFullscreenChange(e) {
- this.isFullscreen(document_1[fsApi.fullscreenElement]);
-
- // If cancelling fullscreen, remove event listener.
- if (this.isFullscreen() === false) {
- off(document_1, fsApi.fullscreenchange, documentFullscreenChange);
- }
- /**
- * @event Player#fullscreenchange
- * @type {EventTarget~Event}
- */
- this.trigger('fullscreenchange');
- }));
-
- this.el_[fsApi.requestFullscreen]();
- } else if (this.tech_.supportsFullScreen()) {
- // we can't take the video.js controls fullscreen but we can go fullscreen
- // with native controls
- this.techCall_('enterFullScreen');
- } else {
- // fullscreen isn't supported so we'll just stretch the video element to
- // fill the viewport
- this.enterFullWindow();
- /**
- * @event Player#fullscreenchange
- * @type {EventTarget~Event}
- */
- this.trigger('fullscreenchange');
- }
- };
-
+ 'defaultPlaybackRate',
/**
- * Return the video to its normal size after having been in full screen mode
+ * Set the value of `crossOrigin` from the media element. `crossOrigin` indicates
+ * to the browser that should sent the cookies along with the requests for the
+ * different assets/playlists
*
- * @fires Player#fullscreenchange
+ * @method Html5#setCrossOrigin
+ * @param {string} crossOrigin
+ * - anonymous indicates that the media should not sent cookies.
+ * - use-credentials indicates that the media should sent cookies along the requests.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/#attr-media-crossorigin}
*/
+ 'crossOrigin'].forEach(function (prop) {
+ Html5.prototype['set' + toTitleCase(prop)] = function (v) {
+ this.el_[prop] = v;
+ };
+ }); // wrap native functions with a function
+ // The list is as follows:
+ // pause, load, play
-
- Player.prototype.exitFullscreen = function exitFullscreen() {
- var fsApi = FullscreenApi;
-
- this.isFullscreen(false);
-
- // Check for browser element fullscreen support
- if (fsApi.requestFullscreen) {
- document_1[fsApi.exitFullscreen]();
- } else if (this.tech_.supportsFullScreen()) {
- this.techCall_('exitFullScreen');
- } else {
- this.exitFullWindow();
- /**
- * @event Player#fullscreenchange
- * @type {EventTarget~Event}
- */
- this.trigger('fullscreenchange');
- }
- };
-
+ [
/**
- * When fullscreen isn't supported we can stretch the
- * video container to as wide as the browser will let us.
+ * A wrapper around the media elements `pause` function. This will call the `HTML5`
+ * media elements `pause` function.
*
- * @fires Player#enterFullWindow
+ * @method Html5#pause
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-pause}
*/
-
-
- Player.prototype.enterFullWindow = function enterFullWindow() {
- this.isFullWindow = true;
-
- // Storing original doc overflow value to return to when fullscreen is off
- this.docOrigOverflow = document_1.documentElement.style.overflow;
-
- // Add listener for esc key to exit fullscreen
- on(document_1, 'keydown', bind(this, this.fullWindowOnEscKey));
-
- // Hide any scroll bars
- document_1.documentElement.style.overflow = 'hidden';
-
- // Apply fullscreen styles
- addClass(document_1.body, 'vjs-full-window');
-
- /**
- * @event Player#enterFullWindow
- * @type {EventTarget~Event}
- */
- this.trigger('enterFullWindow');
- };
-
+ 'pause',
/**
- * Check for call to either exit full window or
- * full screen on ESC key
+ * A wrapper around the media elements `load` function. This will call the `HTML5`s
+ * media element `load` function.
*
- * @param {string} event
- * Event to check for key press
+ * @method Html5#load
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-load}
*/
-
-
- Player.prototype.fullWindowOnEscKey = function fullWindowOnEscKey(event) {
- if (event.keyCode === 27) {
- if (this.isFullscreen() === true) {
- this.exitFullscreen();
- } else {
- this.exitFullWindow();
- }
- }
- };
-
+ 'load',
/**
- * Exit full window
+ * A wrapper around the media elements `play` function. This will call the `HTML5`s
+ * media element `play` function.
*
- * @fires Player#exitFullWindow
+ * @method Html5#play
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-play}
*/
-
-
- Player.prototype.exitFullWindow = function exitFullWindow() {
- this.isFullWindow = false;
- off(document_1, 'keydown', this.fullWindowOnEscKey);
-
- // Unhide scroll bars.
- document_1.documentElement.style.overflow = this.docOrigOverflow;
-
- // Remove fullscreen styles
- removeClass(document_1.body, 'vjs-full-window');
-
- // Resize the box, controller, and poster to original sizes
- // this.positionAll();
- /**
- * @event Player#exitFullWindow
- * @type {EventTarget~Event}
- */
- this.trigger('exitFullWindow');
- };
-
+ 'play'].forEach(function (prop) {
+ Html5.prototype[prop] = function () {
+ return this.el_[prop]();
+ };
+ });
+ Tech.withSourceHandlers(Html5);
/**
- * Check whether the player can play a given mimetype
+ * Native source handler for Html5, simply passes the source to the media element.
+ *
+ * @property {Tech~SourceObject} source
+ * The source object
*
- * @see https://www.w3.org/TR/2011/WD-html5-20110113/video.html#dom-navigator-canplaytype
+ * @property {Html5} tech
+ * The instance of the HTML5 tech.
+ */
+
+ Html5.nativeSourceHandler = {};
+ /**
+ * Check if the media element can play the given mime type.
*
* @param {string} type
* The mimetype to check
* 'probably', 'maybe', or '' (empty string)
*/
+ Html5.nativeSourceHandler.canPlayType = function (type) {
+ // IE without MediaPlayer throws an error (#519)
+ try {
+ return Html5.TEST_VID.canPlayType(type);
+ } catch (e) {
+ return '';
+ }
+ };
+ /**
+ * Check if the media element can handle a source natively.
+ *
+ * @param {Tech~SourceObject} source
+ * The source object
+ *
+ * @param {Object} [options]
+ * Options to be passed to the tech.
+ *
+ * @return {string}
+ * 'probably', 'maybe', or '' (empty string).
+ */
- Player.prototype.canPlayType = function canPlayType(type) {
- var can = void 0;
-
- // Loop through each playback technology in the options order
- for (var i = 0, j = this.options_.techOrder; i < j.length; i++) {
- var techName = j[i];
- var tech = Tech.getTech(techName);
-
- // Support old behavior of techs being registered as components.
- // Remove once that deprecated behavior is removed.
- if (!tech) {
- tech = Component.getComponent(techName);
- }
-
- // Check if the current tech is defined before continuing
- if (!tech) {
- log$1.error('The "' + techName + '" tech is undefined. Skipped browser support check for that tech.');
- continue;
- }
-
- // Check if the browser supports this technology
- if (tech.isSupported()) {
- can = tech.canPlayType(type);
- if (can) {
- return can;
- }
- }
+ Html5.nativeSourceHandler.canHandleSource = function (source, options) {
+ // If a type was provided we should rely on that
+ if (source.type) {
+ return Html5.nativeSourceHandler.canPlayType(source.type); // If no type, fall back to checking 'video/[EXTENSION]'
+ } else if (source.src) {
+ var ext = getFileExtension(source.src);
+ return Html5.nativeSourceHandler.canPlayType("video/" + ext);
}
return '';
};
-
/**
- * Select source based on tech-order or source-order
- * Uses source-order selection if `options.sourceOrder` is truthy. Otherwise,
- * defaults to tech-order selection
+ * Pass the source to the native media element.
+ *
+ * @param {Tech~SourceObject} source
+ * The source object
*
- * @param {Array} sources
- * The sources for a media asset
+ * @param {Html5} tech
+ * The instance of the Html5 tech
*
- * @return {Object|boolean}
- * Object of source and tech order or false
+ * @param {Object} [options]
+ * The options to pass to the source
*/
- Player.prototype.selectSource = function selectSource(sources) {
- var _this6 = this;
-
- // Get only the techs specified in `techOrder` that exist and are supported by the
- // current platform
- var techs = this.options_.techOrder.map(function (techName) {
- return [techName, Tech.getTech(techName)];
- }).filter(function (_ref) {
- var techName = _ref[0],
- tech = _ref[1];
-
- // Check if the current tech is defined before continuing
- if (tech) {
- // Check if the browser supports this technology
- return tech.isSupported();
- }
-
- log$1.error('The "' + techName + '" tech is undefined. Skipped browser support check for that tech.');
- return false;
- });
-
- // Iterate over each `innerArray` element once per `outerArray` element and execute
- // `tester` with both. If `tester` returns a non-falsy value, exit early and return
- // that value.
- var findFirstPassingTechSourcePair = function findFirstPassingTechSourcePair(outerArray, innerArray, tester) {
- var found = void 0;
-
- outerArray.some(function (outerChoice) {
- return innerArray.some(function (innerChoice) {
- found = tester(outerChoice, innerChoice);
-
- if (found) {
- return true;
- }
- });
- });
+ Html5.nativeSourceHandler.handleSource = function (source, tech, options) {
+ tech.setSrc(source.src);
+ };
+ /**
+ * A noop for the native dispose function, as cleanup is not needed.
+ */
- return found;
- };
- var foundSourceAndTech = void 0;
- var flip = function flip(fn) {
- return function (a, b) {
- return fn(b, a);
- };
- };
- var finder = function finder(_ref2, source) {
- var techName = _ref2[0],
- tech = _ref2[1];
+ Html5.nativeSourceHandler.dispose = function () {}; // Register the native source handler
- if (tech.canPlaySource(source, _this6.options_[techName.toLowerCase()])) {
- return { source: source, tech: techName };
- }
- };
- // Depending on the truthiness of `options.sourceOrder`, we swap the order of techs and sources
- // to select from them based on their priority.
- if (this.options_.sourceOrder) {
- // Source-first ordering
- foundSourceAndTech = findFirstPassingTechSourcePair(sources, techs, flip(finder));
- } else {
- // Tech-first ordering
- foundSourceAndTech = findFirstPassingTechSourcePair(techs, sources, finder);
- }
+ Html5.registerSourceHandler(Html5.nativeSourceHandler);
+ Tech.registerTech('Html5', Html5);
- return foundSourceAndTech || false;
- };
+ // on the player when they happen
+ var TECH_EVENTS_RETRIGGER = [
/**
- * Get or set the video source.
- *
- * @param {Tech~SourceObject|Tech~SourceObject[]|string} [source]
- * A SourceObject, an array of SourceObjects, or a string referencing
- * a URL to a media source. It is _highly recommended_ that an object
- * or array of objects is used here, so that source selection
- * algorithms can take the `type` into account.
+ * Fired while the user agent is downloading media data.
*
- * If not provided, this method acts as a getter.
- *
- * @return {string|undefined}
- * If the `source` argument is missing, returns the current source
- * URL. Otherwise, returns nothing/undefined.
+ * @event Player#progress
+ * @type {EventTarget~Event}
*/
-
- Player.prototype.src = function src(source) {
- var _this7 = this;
-
- // getter usage
- if (typeof source === 'undefined') {
- return this.cache_.src || '';
- }
- // filter out invalid sources and turn our source into
- // an array of source objects
- var sources = filterSource(source);
-
- // if a source was passed in then it is invalid because
- // it was filtered to a zero length Array. So we have to
- // show an error
- if (!sources.length) {
- this.setTimeout(function () {
- this.error({ code: 4, message: this.localize(this.options_.notSupportedMessage) });
- }, 0);
- return;
- }
-
- // intial sources
- this.cache_.sources = sources;
- this.changingSrc_ = true;
-
- // intial source
- this.cache_.source = sources[0];
-
- // middlewareSource is the source after it has been changed by middleware
- setSource(this, sources[0], function (middlewareSource, mws) {
- _this7.middleware_ = mws;
-
- var err = _this7.src_(middlewareSource);
-
- if (err) {
- if (sources.length > 1) {
- return _this7.src(sources.slice(1));
- }
-
- // We need to wrap this in a timeout to give folks a chance to add error event handlers
- _this7.setTimeout(function () {
- this.error({ code: 4, message: this.localize(this.options_.notSupportedMessage) });
- }, 0);
-
- // we could not find an appropriate tech, but let's still notify the delegate that this is it
- // this needs a better comment about why this is needed
- _this7.triggerReady();
-
- return;
- }
-
- _this7.changingSrc_ = false;
- // video element listed source
- _this7.cache_.src = middlewareSource.src;
-
- setTech(mws, _this7.tech_);
- });
- };
-
/**
- * Set the source object on the tech, returns a boolean that indicates wether
- * there is a tech that can play the source or not
+ * Retrigger the `progress` event that was triggered by the {@link Tech}.
*
- * @param {Tech~SourceObject} source
- * The source object to set on the Tech
+ * @private
+ * @method Player#handleTechProgress_
+ * @fires Player#progress
+ * @listens Tech#progress
+ */
+ 'progress',
+ /**
+ * Fires when the loading of an audio/video is aborted.
*
- * @return {Boolean}
- * - True if there is no Tech to playback this source
- * - False otherwise
+ * @event Player#abort
+ * @type {EventTarget~Event}
+ */
+
+ /**
+ * Retrigger the `abort` event that was triggered by the {@link Tech}.
*
* @private
+ * @method Player#handleTechAbort_
+ * @fires Player#abort
+ * @listens Tech#abort
*/
-
-
- Player.prototype.src_ = function src_(source) {
- var sourceTech = this.selectSource([source]);
-
- if (!sourceTech) {
- return true;
- }
-
- if (!titleCaseEquals(sourceTech.tech, this.techName_)) {
- this.changingSrc_ = true;
-
- // load this technology with the chosen source
- this.loadTech_(sourceTech.tech, sourceTech.source);
- return false;
- }
-
- // wait until the tech is ready to set the source
- this.ready(function () {
-
- // The setSource tech method was added with source handlers
- // so older techs won't support it
- // We need to check the direct prototype for the case where subclasses
- // of the tech do not support source handlers
- if (this.tech_.constructor.prototype.hasOwnProperty('setSource')) {
- this.techCall_('setSource', source);
- } else {
- this.techCall_('src', source.src);
- }
-
- if (this.options_.preload === 'auto') {
- this.load();
- }
-
- // Set the source synchronously if possible (#2326)
- }, true);
-
- return false;
- };
-
+ 'abort',
/**
- * Begin loading the src data.
+ * Fires when the browser is intentionally not getting media data.
+ *
+ * @event Player#suspend
+ * @type {EventTarget~Event}
*/
-
- Player.prototype.load = function load() {
- this.techCall_('load');
- };
-
/**
- * Reset the player. Loads the first tech in the techOrder,
- * and calls `reset` on the tech`.
+ * Retrigger the `suspend` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechSuspend_
+ * @fires Player#suspend
+ * @listens Tech#suspend
*/
-
-
- Player.prototype.reset = function reset() {
- this.loadTech_(this.options_.techOrder[0], null);
- this.techCall_('reset');
- };
-
+ 'suspend',
/**
- * Returns all of the current source objects.
+ * Fires when the current playlist is empty.
*
- * @return {Tech~SourceObject[]}
- * The current source objects
+ * @event Player#emptied
+ * @type {EventTarget~Event}
*/
-
- Player.prototype.currentSources = function currentSources() {
- var source = this.currentSource();
- var sources = [];
-
- // assume `{}` or `{ src }`
- if (Object.keys(source).length !== 0) {
- sources.push(source);
- }
-
- return this.cache_.sources || sources;
- };
-
/**
- * Returns the current source object.
+ * Retrigger the `emptied` event that was triggered by the {@link Tech}.
*
- * @return {Tech~SourceObject}
- * The current source object
+ * @private
+ * @method Player#handleTechEmptied_
+ * @fires Player#emptied
+ * @listens Tech#emptied
*/
-
-
- Player.prototype.currentSource = function currentSource() {
- return this.cache_.source || {};
- };
-
+ 'emptied',
/**
- * Returns the fully qualified URL of the current source value e.g. http://mysite.com/video.mp4
- * Can be used in conjuction with `currentType` to assist in rebuilding the current source object.
+ * Fires when the browser is trying to get media data, but data is not available.
*
- * @return {string}
- * The current source
+ * @event Player#stalled
+ * @type {EventTarget~Event}
*/
-
- Player.prototype.currentSrc = function currentSrc() {
- return this.currentSource() && this.currentSource().src || '';
- };
-
/**
- * Get the current source type e.g. video/mp4
- * This can allow you rebuild the current source object so that you could load the same
- * source and tech later
+ * Retrigger the `stalled` event that was triggered by the {@link Tech}.
*
- * @return {string}
- * The source MIME type
+ * @private
+ * @method Player#handleTechStalled_
+ * @fires Player#stalled
+ * @listens Tech#stalled
+ */
+ 'stalled',
+ /**
+ * Fires when the browser has loaded meta data for the audio/video.
+ *
+ * @event Player#loadedmetadata
+ * @type {EventTarget~Event}
*/
-
-
- Player.prototype.currentType = function currentType() {
- return this.currentSource() && this.currentSource().type || '';
- };
/**
- * Get or set the preload attribute
+ * Retrigger the `stalled` event that was triggered by the {@link Tech}.
*
- * @param {boolean} [value]
- * - true means that we should preload
- * - false maens that we should not preload
+ * @private
+ * @method Player#handleTechLoadedmetadata_
+ * @fires Player#loadedmetadata
+ * @listens Tech#loadedmetadata
+ */
+ 'loadedmetadata',
+ /**
+ * Fires when the browser has loaded the current frame of the audio/video.
*
- * @return {string}
- * The preload attribute value when getting
+ * @event Player#loadeddata
+ * @type {event}
*/
-
- Player.prototype.preload = function preload(value) {
- if (value !== undefined) {
- this.techCall_('setPreload', value);
- this.options_.preload = value;
- return;
- }
- return this.techGet_('preload');
- };
-
/**
- * Get or set the autoplay attribute.
+ * Retrigger the `loadeddata` event that was triggered by the {@link Tech}.
*
- * @param {boolean} [value]
- * - true means that we should autoplay
- * - false means that we should not autoplay
+ * @private
+ * @method Player#handleTechLoaddeddata_
+ * @fires Player#loadeddata
+ * @listens Tech#loadeddata
+ */
+ 'loadeddata',
+ /**
+ * Fires when the current playback position has changed.
*
- * @return {string}
- * The current value of autoplay when getting
+ * @event Player#timeupdate
+ * @type {event}
*/
-
- Player.prototype.autoplay = function autoplay(value) {
- if (value !== undefined) {
- this.techCall_('setAutoplay', value);
- this.options_.autoplay = value;
- this.ready(this.forceAutoplayInChrome_);
- return;
- }
- return this.techGet_('autoplay', value);
- };
-
/**
- * chrome started pausing the video when moving in the DOM
- * causing autoplay to not continue due to how Video.js functions.
- * See #4720 for more info.
+ * Retrigger the `timeupdate` event that was triggered by the {@link Tech}.
*
* @private
+ * @method Player#handleTechTimeUpdate_
+ * @fires Player#timeupdate
+ * @listens Tech#timeupdate
*/
-
-
- Player.prototype.forceAutoplayInChrome_ = function forceAutoplayInChrome_() {
- if (this.paused() && (
- // read from the video element or options
- this.autoplay() || this.options_.autoplay) &&
- // only target desktop chrome
- IS_CHROME && !IS_ANDROID) {
- this.play();
- }
- };
-
+ 'timeupdate',
/**
- * Set or unset the playsinline attribute.
- * Playsinline tells the browser that non-fullscreen playback is preferred.
+ * Fires when the video's intrinsic dimensions change
*
- * @param {boolean} [value]
- * - true means that we should try to play inline by default
- * - false means that we should use the browser's default playback mode,
- * which in most cases is inline. iOS Safari is a notable exception
- * and plays fullscreen by default.
+ * @event Player#resize
+ * @type {event}
+ */
+
+ /**
+ * Retrigger the `resize` event that was triggered by the {@link Tech}.
*
- * @return {string|Player}
- * - the current value of playsinline
- * - the player when setting
+ * @private
+ * @method Player#handleTechResize_
+ * @fires Player#resize
+ * @listens Tech#resize
+ */
+ 'resize',
+ /**
+ * Fires when the volume has been changed
*
- * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}
+ * @event Player#volumechange
+ * @type {event}
*/
-
- Player.prototype.playsinline = function playsinline(value) {
- if (value !== undefined) {
- this.techCall_('setPlaysinline', value);
- this.options_.playsinline = value;
- return this;
- }
- return this.techGet_('playsinline');
- };
-
/**
- * Get or set the loop attribute on the video element.
+ * Retrigger the `volumechange` event that was triggered by the {@link Tech}.
*
- * @param {boolean} [value]
- * - true means that we should loop the video
- * - false means that we should not loop the video
+ * @private
+ * @method Player#handleTechVolumechange_
+ * @fires Player#volumechange
+ * @listens Tech#volumechange
+ */
+ 'volumechange',
+ /**
+ * Fires when the text track has been changed
*
- * @return {string}
- * The current value of loop when getting
+ * @event Player#texttrackchange
+ * @type {event}
*/
-
- Player.prototype.loop = function loop(value) {
- if (value !== undefined) {
- this.techCall_('setLoop', value);
- this.options_.loop = value;
- return;
- }
- return this.techGet_('loop');
- };
-
/**
- * Get or set the poster image source url
+ * Retrigger the `texttrackchange` event that was triggered by the {@link Tech}.
*
- * @fires Player#posterchange
+ * @private
+ * @method Player#handleTechTexttrackchange_
+ * @fires Player#texttrackchange
+ * @listens Tech#texttrackchange
+ */
+ 'texttrackchange']; // events to queue when playback rate is zero
+ // this is a hash for the sole purpose of mapping non-camel-cased event names
+ // to camel-cased function names
+
+ var TECH_EVENTS_QUEUE = {
+ canplay: 'CanPlay',
+ canplaythrough: 'CanPlayThrough',
+ playing: 'Playing',
+ seeked: 'Seeked'
+ };
+ var BREAKPOINT_ORDER = ['tiny', 'xsmall', 'small', 'medium', 'large', 'xlarge', 'huge'];
+ var BREAKPOINT_CLASSES = {}; // grep: vjs-layout-tiny
+ // grep: vjs-layout-x-small
+ // grep: vjs-layout-small
+ // grep: vjs-layout-medium
+ // grep: vjs-layout-large
+ // grep: vjs-layout-x-large
+ // grep: vjs-layout-huge
+
+ BREAKPOINT_ORDER.forEach(function (k) {
+ var v = k.charAt(0) === 'x' ? "x-" + k.substring(1) : k;
+ BREAKPOINT_CLASSES[k] = "vjs-layout-" + v;
+ });
+ var DEFAULT_BREAKPOINTS = {
+ tiny: 210,
+ xsmall: 320,
+ small: 425,
+ medium: 768,
+ large: 1440,
+ xlarge: 2560,
+ huge: Infinity
+ };
+ /**
+ * An instance of the `Player` class is created when any of the Video.js setup methods
+ * are used to initialize a video.
*
- * @param {string} [src]
- * Poster image source URL
+ * After an instance has been created it can be accessed globally in two ways:
+ * 1. By calling `videojs('example_video_1');`
+ * 2. By using it directly via `videojs.players.example_video_1;`
*
- * @return {string}
- * The current value of poster when getting
+ * @extends Component
*/
+ var Player = /*#__PURE__*/function (_Component) {
+ inheritsLoose(Player, _Component);
- Player.prototype.poster = function poster(src) {
- if (src === undefined) {
- return this.poster_;
- }
+ /**
+ * Create an instance of this class.
+ *
+ * @param {Element} tag
+ * The original video DOM element used for configuring options.
+ *
+ * @param {Object} [options]
+ * Object of option names and values.
+ *
+ * @param {Component~ReadyCallback} [ready]
+ * Ready callback function.
+ */
+ function Player(tag, options, ready) {
+ var _this;
- // The correct way to remove a poster is to set as an empty string
- // other falsey values will throw errors
- if (!src) {
- src = '';
- }
+ // Make sure tag ID exists
+ tag.id = tag.id || options.id || "vjs_video_" + newGUID(); // Set Options
+ // The options argument overrides options set in the video tag
+ // which overrides globally set options.
+ // This latter part coincides with the load order
+ // (tag must exist before Player)
- // update the internal poster variable
- this.poster_ = src;
+ options = assign(Player.getTagSettings(tag), options); // Delay the initialization of children because we need to set up
+ // player properties first, and can't use `this` before `super()`
- // update the tech's poster
- this.techCall_('setPoster', src);
+ options.initChildren = false; // Same with creating the element
- // alert components that the poster has been set
- /**
- * This event fires when the poster image is changed on the player.
- *
- * @event Player#posterchange
- * @type {EventTarget~Event}
- */
- this.trigger('posterchange');
- };
+ options.createEl = false; // don't auto mixin the evented mixin
- /**
- * Some techs (e.g. YouTube) can provide a poster source in an
- * asynchronous way. We want the poster component to use this
- * poster source so that it covers up the tech's controls.
- * (YouTube's play button). However we only want to use this
- * source if the player user hasn't set a poster through
- * the normal APIs.
- *
- * @fires Player#posterchange
- * @listens Tech#posterchange
- * @private
- */
+ options.evented = false; // we don't want the player to report touch activity on itself
+ // see enableTouchActivity in Component
+ options.reportTouchActivity = false; // If language is not set, get the closest lang attribute
- Player.prototype.handleTechPosterChange_ = function handleTechPosterChange_() {
- if (!this.poster_ && this.tech_ && this.tech_.poster) {
- this.poster_ = this.tech_.poster() || '';
+ if (!options.language) {
+ if (typeof tag.closest === 'function') {
+ var closest = tag.closest('[lang]');
- // Let components know the poster has changed
- this.trigger('posterchange');
- }
- };
+ if (closest && closest.getAttribute) {
+ options.language = closest.getAttribute('lang');
+ }
+ } else {
+ var element = tag;
- /**
- * Get or set whether or not the controls are showing.
- *
- * @fires Player#controlsenabled
- *
- * @param {boolean} [bool]
- * - true to turn controls on
- * - false to turn controls off
- *
- * @return {boolean}
- * The current value of controls when getting
- */
+ while (element && element.nodeType === 1) {
+ if (getAttributes(element).hasOwnProperty('lang')) {
+ options.language = element.getAttribute('lang');
+ break;
+ }
+ element = element.parentNode;
+ }
+ }
+ } // Run base component initializing with new options
- Player.prototype.controls = function controls(bool) {
- if (bool === undefined) {
- return !!this.controls_;
- }
- bool = !!bool;
+ _this = _Component.call(this, null, options, ready) || this; // Create bound methods for document listeners.
- // Don't trigger a change event unless it actually changed
- if (this.controls_ === bool) {
- return;
- }
+ _this.boundDocumentFullscreenChange_ = bind(assertThisInitialized(_this), _this.documentFullscreenChange_);
+ _this.boundFullWindowOnEscKey_ = bind(assertThisInitialized(_this), _this.fullWindowOnEscKey); // default isFullscreen_ to false
- this.controls_ = bool;
+ _this.isFullscreen_ = false; // create logger
- if (this.usingNativeControls()) {
- this.techCall_('setControls', bool);
- }
+ _this.log = createLogger$1(_this.id_); // Hold our own reference to fullscreen api so it can be mocked in tests
- if (this.controls_) {
- this.removeClass('vjs-controls-disabled');
- this.addClass('vjs-controls-enabled');
- /**
- * @event Player#controlsenabled
- * @type {EventTarget~Event}
- */
- this.trigger('controlsenabled');
- if (!this.usingNativeControls()) {
- this.addTechControlsListeners_();
- }
- } else {
- this.removeClass('vjs-controls-enabled');
- this.addClass('vjs-controls-disabled');
- /**
- * @event Player#controlsdisabled
- * @type {EventTarget~Event}
- */
- this.trigger('controlsdisabled');
- if (!this.usingNativeControls()) {
- this.removeTechControlsListeners_();
+ _this.fsApi_ = FullscreenApi; // Tracks when a tech changes the poster
+
+ _this.isPosterFromTech_ = false; // Holds callback info that gets queued when playback rate is zero
+ // and a seek is happening
+
+ _this.queuedCallbacks_ = []; // Turn off API access because we're loading a new tech that might load asynchronously
+
+ _this.isReady_ = false; // Init state hasStarted_
+
+ _this.hasStarted_ = false; // Init state userActive_
+
+ _this.userActive_ = false; // if the global option object was accidentally blown away by
+ // someone, bail early with an informative error
+
+ if (!_this.options_ || !_this.options_.techOrder || !_this.options_.techOrder.length) {
+ throw new Error('No techOrder specified. Did you overwrite ' + 'videojs.options instead of just changing the ' + 'properties you want to override?');
+ } // Store the original tag used to set options
+
+
+ _this.tag = tag; // Store the tag attributes used to restore html5 element
+
+ _this.tagAttributes = tag && getAttributes(tag); // Update current language
+
+ _this.language(_this.options_.language); // Update Supported Languages
+
+
+ if (options.languages) {
+ // Normalise player option languages to lowercase
+ var languagesToLower = {};
+ Object.getOwnPropertyNames(options.languages).forEach(function (name) {
+ languagesToLower[name.toLowerCase()] = options.languages[name];
+ });
+ _this.languages_ = languagesToLower;
+ } else {
+ _this.languages_ = Player.prototype.options_.languages;
}
- }
- };
- /**
- * Toggle native controls on/off. Native controls are the controls built into
- * devices (e.g. default iPhone controls), Flash, or other techs
- * (e.g. Vimeo Controls)
- * **This should only be set by the current tech, because only the tech knows
- * if it can support native controls**
- *
- * @fires Player#usingnativecontrols
- * @fires Player#usingcustomcontrols
- *
- * @param {boolean} [bool]
- * - true to turn native controls on
- * - false to turn native controls off
- *
- * @return {boolean}
- * The current value of native controls when getting
- */
+ _this.resetCache_(); // Set poster
- Player.prototype.usingNativeControls = function usingNativeControls(bool) {
- if (bool === undefined) {
- return !!this.usingNativeControls_;
- }
+ _this.poster_ = options.poster || ''; // Set controls
- bool = !!bool;
+ _this.controls_ = !!options.controls; // Original tag settings stored in options
+ // now remove immediately so native controls don't flash.
+ // May be turned back on by HTML5 tech if nativeControlsForTouch is true
- // Don't trigger a change event unless it actually changed
- if (this.usingNativeControls_ === bool) {
- return;
- }
+ tag.controls = false;
+ tag.removeAttribute('controls');
+ _this.changingSrc_ = false;
+ _this.playCallbacks_ = [];
+ _this.playTerminatedQueue_ = []; // the attribute overrides the option
- this.usingNativeControls_ = bool;
+ if (tag.hasAttribute('autoplay')) {
+ _this.autoplay(true);
+ } else {
+ // otherwise use the setter to validate and
+ // set the correct value.
+ _this.autoplay(_this.options_.autoplay);
+ } // check plugins
- if (this.usingNativeControls_) {
- this.addClass('vjs-using-native-controls');
- /**
- * player is using the native device controls
+ if (options.plugins) {
+ Object.keys(options.plugins).forEach(function (name) {
+ if (typeof _this[name] !== 'function') {
+ throw new Error("plugin \"" + name + "\" does not exist");
+ }
+ });
+ }
+ /*
+ * Store the internal state of scrubbing
*
- * @event Player#usingnativecontrols
- * @type {EventTarget~Event}
+ * @private
+ * @return {Boolean} True if the user is scrubbing
*/
- this.trigger('usingnativecontrols');
- } else {
- this.removeClass('vjs-using-native-controls');
- /**
- * player is using the custom HTML controls
- *
- * @event Player#usingcustomcontrols
- * @type {EventTarget~Event}
- */
- this.trigger('usingcustomcontrols');
- }
- };
- /**
- * Set or get the current MediaError
- *
- * @fires Player#error
- *
- * @param {MediaError|string|number} [err]
- * A MediaError or a string/number to be turned
- * into a MediaError
- *
- * @return {MediaError|null}
- * The current MediaError when getting (or null)
- */
+ _this.scrubbing_ = false;
+ _this.el_ = _this.createEl(); // Make this an evented object and use `el_` as its event bus.
+ evented(assertThisInitialized(_this), {
+ eventBusKey: 'el_'
+ }); // listen to document and player fullscreenchange handlers so we receive those events
+ // before a user can receive them so we can update isFullscreen appropriately.
+ // make sure that we listen to fullscreenchange events before everything else to make sure that
+ // our isFullscreen method is updated properly for internal components as well as external.
- Player.prototype.error = function error(err) {
- if (err === undefined) {
- return this.error_ || null;
- }
+ if (_this.fsApi_.requestFullscreen) {
+ on(document, _this.fsApi_.fullscreenchange, _this.boundDocumentFullscreenChange_);
- // restoring to default
- if (err === null) {
- this.error_ = err;
- this.removeClass('vjs-error');
- if (this.errorDisplay) {
- this.errorDisplay.close();
+ _this.on(_this.fsApi_.fullscreenchange, _this.boundDocumentFullscreenChange_);
}
- return;
- }
- this.error_ = new MediaError(err);
+ if (_this.fluid_) {
+ _this.on('playerreset', _this.updateStyleEl_);
+ } // We also want to pass the original player options to each component and plugin
+ // as well so they don't need to reach back into the player for options later.
+ // We also need to do another copy of this.options_ so we don't end up with
+ // an infinite loop.
- // add the vjs-error classname to the player
- this.addClass('vjs-error');
- // log the name of the error type and any message
- // ie8 just logs "[object object]" if you just log the error object
- log$1.error('(CODE:' + this.error_.code + ' ' + MediaError.errorTypes[this.error_.code] + ')', this.error_.message, this.error_);
+ var playerOptionsCopy = mergeOptions(_this.options_); // Load plugins
- /**
- * @event Player#error
- * @type {EventTarget~Event}
- */
- this.trigger('error');
+ if (options.plugins) {
+ Object.keys(options.plugins).forEach(function (name) {
+ _this[name](options.plugins[name]);
+ });
+ }
- return;
- };
+ _this.options_.playerOptions = playerOptionsCopy;
+ _this.middleware_ = [];
- /**
- * Report user activity
- *
- * @param {Object} event
- * Event object
- */
+ _this.initChildren(); // Set isAudio based on whether or not an audio tag was used
- Player.prototype.reportUserActivity = function reportUserActivity(event) {
- this.userActivity_ = true;
- };
+ _this.isAudio(tag.nodeName.toLowerCase() === 'audio'); // Update controls className. Can't do this when the controls are initially
+ // set because the element doesn't exist yet.
- /**
- * Get/set if user is active
- *
- * @fires Player#useractive
- * @fires Player#userinactive
- *
- * @param {boolean} [bool]
- * - true if the user is active
- * - false if the user is inactive
- *
- * @return {boolean}
- * The current value of userActive when getting
- */
+ if (_this.controls()) {
+ _this.addClass('vjs-controls-enabled');
+ } else {
+ _this.addClass('vjs-controls-disabled');
+ } // Set ARIA label and region role depending on player type
- Player.prototype.userActive = function userActive(bool) {
- if (bool === undefined) {
- return this.userActive_;
- }
- bool = !!bool;
+ _this.el_.setAttribute('role', 'region');
- if (bool === this.userActive_) {
- return;
- }
-
- this.userActive_ = bool;
-
- if (this.userActive_) {
- this.userActivity_ = true;
- this.removeClass('vjs-user-inactive');
- this.addClass('vjs-user-active');
- /**
- * @event Player#useractive
- * @type {EventTarget~Event}
- */
- this.trigger('useractive');
- return;
- }
-
- // Chrome/Safari/IE have bugs where when you change the cursor it can
- // trigger a mousemove event. This causes an issue when you're hiding
- // the cursor when the user is inactive, and a mousemove signals user
- // activity. Making it impossible to go into inactive mode. Specifically
- // this happens in fullscreen when we really need to hide the cursor.
- //
- // When this gets resolved in ALL browsers it can be removed
- // https://code.google.com/p/chromium/issues/detail?id=103041
- if (this.tech_) {
- this.tech_.one('mousemove', function (e) {
- e.stopPropagation();
- e.preventDefault();
- });
- }
-
- this.userActivity_ = false;
- this.removeClass('vjs-user-active');
- this.addClass('vjs-user-inactive');
- /**
- * @event Player#userinactive
- * @type {EventTarget~Event}
- */
- this.trigger('userinactive');
- };
+ if (_this.isAudio()) {
+ _this.el_.setAttribute('aria-label', _this.localize('Audio Player'));
+ } else {
+ _this.el_.setAttribute('aria-label', _this.localize('Video Player'));
+ }
- /**
- * Listen for user activity based on timeout value
- *
- * @private
- */
+ if (_this.isAudio()) {
+ _this.addClass('vjs-audio');
+ }
+ if (_this.flexNotSupported_()) {
+ _this.addClass('vjs-no-flex');
+ } // TODO: Make this smarter. Toggle user state between touching/mousing
+ // using events, since devices can have both touch and mouse events.
+ // TODO: Make this check be performed again when the window switches between monitors
+ // (See https://github.com/videojs/video.js/issues/5683)
- Player.prototype.listenForUserActivity_ = function listenForUserActivity_() {
- var mouseInProgress = void 0;
- var lastMoveX = void 0;
- var lastMoveY = void 0;
- var handleActivity = bind(this, this.reportUserActivity);
- var handleMouseMove = function handleMouseMove(e) {
- // #1068 - Prevent mousemove spamming
- // Chrome Bug: https://code.google.com/p/chromium/issues/detail?id=366970
- if (e.screenX !== lastMoveX || e.screenY !== lastMoveY) {
- lastMoveX = e.screenX;
- lastMoveY = e.screenY;
- handleActivity();
- }
- };
+ if (TOUCH_ENABLED) {
+ _this.addClass('vjs-touch-enabled');
+ } // iOS Safari has broken hover handling
- var handleMouseDown = function handleMouseDown() {
- handleActivity();
- // For as long as the they are touching the device or have their mouse down,
- // we consider them active even if they're not moving their finger or mouse.
- // So we want to continue to update that they are active
- this.clearInterval(mouseInProgress);
- // Setting userActivity=true now and setting the interval to the same time
- // as the activityCheck interval (250) should ensure we never miss the
- // next activityCheck
- mouseInProgress = this.setInterval(handleActivity, 250);
- };
- var handleMouseUp = function handleMouseUp(event) {
- handleActivity();
- // Stop the interval that maintains activity if the mouse/touch is down
- this.clearInterval(mouseInProgress);
- };
+ if (!IS_IOS) {
+ _this.addClass('vjs-workinghover');
+ } // Make player easily findable by ID
- // Any mouse movement will be considered user activity
- this.on('mousedown', handleMouseDown);
- this.on('mousemove', handleMouseMove);
- this.on('mouseup', handleMouseUp);
- // Listen for keyboard navigation
- // Shouldn't need to use inProgress interval because of key repeat
- this.on('keydown', handleActivity);
- this.on('keyup', handleActivity);
+ Player.players[_this.id_] = assertThisInitialized(_this); // Add a major version class to aid css in plugins
- // Run an interval every 250 milliseconds instead of stuffing everything into
- // the mousemove/touchmove function itself, to prevent performance degradation.
- // `this.reportUserActivity` simply sets this.userActivity_ to true, which
- // then gets picked up by this loop
- // http://ejohn.org/blog/learning-from-twitter/
- var inactivityTimeout = void 0;
+ var majorVersion = version.split('.')[0];
- this.setInterval(function () {
- // Check to see if mouse/touch activity has happened
- if (!this.userActivity_) {
- return;
- }
+ _this.addClass("vjs-v" + majorVersion); // When the player is first initialized, trigger activity so components
+ // like the control bar show themselves if needed
- // Reset the activity tracker
- this.userActivity_ = false;
- // If the user state was inactive, set the state to active
- this.userActive(true);
+ _this.userActive(true);
- // Clear any existing inactivity timeout to start the timer over
- this.clearTimeout(inactivityTimeout);
+ _this.reportUserActivity();
- var timeout = this.options_.inactivityTimeout;
+ _this.one('play', _this.listenForUserActivity_);
- if (timeout <= 0) {
- return;
- }
+ _this.on('stageclick', _this.handleStageClick_);
- // In <timeout> milliseconds, if no more activity has occurred the
- // user will be considered inactive
- inactivityTimeout = this.setTimeout(function () {
- // Protect against the case where the inactivityTimeout can trigger just
- // before the next user activity is picked up by the activity check loop
- // causing a flicker
- if (!this.userActivity_) {
- this.userActive(false);
- }
- }, timeout);
- }, 250);
- };
+ _this.on('keydown', _this.handleKeyDown);
- /**
- * Gets or sets the current playback rate. A playback rate of
- * 1.0 represents normal speed and 0.5 would indicate half-speed
- * playback, for instance.
- *
- * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-playbackrate
- *
- * @param {number} [rate]
- * New playback rate to set.
- *
- * @return {number}
- * The current playback rate when getting or 1.0
- */
+ _this.breakpoints(_this.options_.breakpoints);
+ _this.responsive(_this.options_.responsive);
- Player.prototype.playbackRate = function playbackRate(rate) {
- if (rate !== undefined) {
- this.techCall_('setPlaybackRate', rate);
- return;
+ return _this;
}
+ /**
+ * Destroys the video player and does any necessary cleanup.
+ *
+ * This is especially helpful if you are dynamically adding and removing videos
+ * to/from the DOM.
+ *
+ * @fires Player#dispose
+ */
- if (this.tech_ && this.tech_.featuresPlaybackRate) {
- return this.techGet_('playbackRate');
- }
- return 1.0;
- };
- /**
- * Gets or sets the current default playback rate. A default playback rate of
- * 1.0 represents normal speed and 0.5 would indicate half-speed playback, for instance.
- * defaultPlaybackRate will only represent what the intial playbackRate of a video was, not
- * not the current playbackRate.
- *
- * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-defaultplaybackrate
- *
- * @param {number} [rate]
- * New default playback rate to set.
- *
- * @return {number|Player}
- * - The default playback rate when getting or 1.0
- * - the player when setting
- */
+ var _proto = Player.prototype;
+ _proto.dispose = function dispose() {
+ var _this2 = this;
- Player.prototype.defaultPlaybackRate = function defaultPlaybackRate(rate) {
- if (rate !== undefined) {
- return this.techCall_('setDefaultPlaybackRate', rate);
- }
+ /**
+ * Called when the player is being disposed of.
+ *
+ * @event Player#dispose
+ * @type {EventTarget~Event}
+ */
+ this.trigger('dispose'); // prevent dispose from being called twice
- if (this.tech_ && this.tech_.featuresPlaybackRate) {
- return this.techGet_('defaultPlaybackRate');
- }
- return 1.0;
- };
+ this.off('dispose'); // Make sure all player-specific document listeners are unbound. This is
- /**
- * Gets or sets the audio flag
- *
- * @param {boolean} bool
- * - true signals that this is an audio player
- * - false signals that this is not an audio player
- *
- * @return {boolean}
- * The current value of isAudio when getting
- */
+ off(document, this.fsApi_.fullscreenchange, this.boundDocumentFullscreenChange_);
+ off(document, 'keydown', this.boundFullWindowOnEscKey_);
+ if (this.styleEl_ && this.styleEl_.parentNode) {
+ this.styleEl_.parentNode.removeChild(this.styleEl_);
+ this.styleEl_ = null;
+ } // Kill reference to this player
- Player.prototype.isAudio = function isAudio(bool) {
- if (bool !== undefined) {
- this.isAudio_ = !!bool;
- return;
- }
- return !!this.isAudio_;
- };
+ Player.players[this.id_] = null;
- /**
- * A helper method for adding a {@link TextTrack} to our
- * {@link TextTrackList}.
- *
- * In addition to the W3C settings we allow adding additional info through options.
- *
- * @see http://www.w3.org/html/wg/drafts/html/master/embedded-content-0.html#dom-media-addtexttrack
- *
- * @param {string} [kind]
- * the kind of TextTrack you are adding
- *
- * @param {string} [label]
- * the label to give the TextTrack label
- *
- * @param {string} [language]
- * the language to set on the TextTrack
- *
- * @return {TextTrack|undefined}
- * the TextTrack that was added or undefined
- * if there is no tech
- */
+ if (this.tag && this.tag.player) {
+ this.tag.player = null;
+ }
+ if (this.el_ && this.el_.player) {
+ this.el_.player = null;
+ }
- Player.prototype.addTextTrack = function addTextTrack(kind, label, language) {
- if (this.tech_) {
- return this.tech_.addTextTrack(kind, label, language);
- }
- };
+ if (this.tech_) {
+ this.tech_.dispose();
+ this.isPosterFromTech_ = false;
+ this.poster_ = '';
+ }
- /**
- * Create a remote {@link TextTrack} and an {@link HTMLTrackElement}. It will
- * automatically removed from the video element whenever the source changes, unless
- * manualCleanup is set to false.
- *
- * @param {Object} options
- * Options to pass to {@link HTMLTrackElement} during creation. See
- * {@link HTMLTrackElement} for object properties that you should use.
- *
- * @param {boolean} [manualCleanup=true] if set to false, the TextTrack will be
- *
- * @return {HtmlTrackElement}
- * the HTMLTrackElement that was created and added
- * to the HtmlTrackElementList and the remote
- * TextTrackList
- *
- * @deprecated The default value of the "manualCleanup" parameter will default
- * to "false" in upcoming versions of Video.js
- */
+ if (this.playerElIngest_) {
+ this.playerElIngest_ = null;
+ }
+ if (this.tag) {
+ this.tag = null;
+ }
- Player.prototype.addRemoteTextTrack = function addRemoteTextTrack(options, manualCleanup) {
- if (this.tech_) {
- return this.tech_.addRemoteTextTrack(options, manualCleanup);
- }
- };
+ clearCacheForPlayer(this); // remove all event handlers for track lists
+ // all tracks and track listeners are removed on
+ // tech dispose
- /**
- * Remove a remote {@link TextTrack} from the respective
- * {@link TextTrackList} and {@link HtmlTrackElementList}.
- *
- * @param {Object} track
- * Remote {@link TextTrack} to remove
- *
- * @return {undefined}
- * does not return anything
- */
+ ALL.names.forEach(function (name) {
+ var props = ALL[name];
+ var list = _this2[props.getterName](); // if it is not a native list
+ // we have to manually remove event listeners
- Player.prototype.removeRemoteTextTrack = function removeRemoteTextTrack() {
- var _ref3 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
- _ref3$track = _ref3.track,
- track = _ref3$track === undefined ? arguments[0] : _ref3$track;
- // destructure the input into an object with a track argument, defaulting to arguments[0]
- // default the whole argument to an empty object if nothing was passed in
+ if (list && list.off) {
+ list.off();
+ }
+ }); // the actual .el_ is removed here
- if (this.tech_) {
- return this.tech_.removeRemoteTextTrack(track);
+ _Component.prototype.dispose.call(this);
}
- };
-
- /**
- * Gets available media playback quality metrics as specified by the W3C's Media
- * Playback Quality API.
- *
- * @see [Spec]{@link https://wicg.github.io/media-playback-quality}
- *
- * @return {Object|undefined}
- * An object with supported media playback quality metrics or undefined if there
- * is no tech or the tech does not support it.
- */
-
+ /**
+ * Create the `Player`'s DOM element.
+ *
+ * @return {Element}
+ * The DOM element that gets created.
+ */
+ ;
- Player.prototype.getVideoPlaybackQuality = function getVideoPlaybackQuality() {
- return this.techGet_('getVideoPlaybackQuality');
- };
+ _proto.createEl = function createEl() {
+ var tag = this.tag;
+ var el;
+ var playerElIngest = this.playerElIngest_ = tag.parentNode && tag.parentNode.hasAttribute && tag.parentNode.hasAttribute('data-vjs-player');
+ var divEmbed = this.tag.tagName.toLowerCase() === 'video-js';
- /**
- * Get video width
- *
- * @return {number}
- * current video width
- */
+ if (playerElIngest) {
+ el = this.el_ = tag.parentNode;
+ } else if (!divEmbed) {
+ el = this.el_ = _Component.prototype.createEl.call(this, 'div');
+ } // Copy over all the attributes from the tag, including ID and class
+ // ID will now reference player box, not the video tag
- Player.prototype.videoWidth = function videoWidth() {
- return this.tech_ && this.tech_.videoWidth && this.tech_.videoWidth() || 0;
- };
+ var attrs = getAttributes(tag);
- /**
- * Get video height
- *
- * @return {number}
- * current video height
- */
+ if (divEmbed) {
+ el = this.el_ = tag;
+ tag = this.tag = document.createElement('video');
+ while (el.children.length) {
+ tag.appendChild(el.firstChild);
+ }
- Player.prototype.videoHeight = function videoHeight() {
- return this.tech_ && this.tech_.videoHeight && this.tech_.videoHeight() || 0;
- };
+ if (!hasClass(el, 'video-js')) {
+ addClass(el, 'video-js');
+ }
- /**
- * The player's language code
- * NOTE: The language should be set in the player options if you want the
- * the controls to be built with a specific language. Changing the lanugage
- * later will not update controls text.
- *
- * @param {string} [code]
- * the language code to set the player to
- *
- * @return {string}
- * The current language code when getting
- */
+ el.appendChild(tag);
+ playerElIngest = this.playerElIngest_ = el; // move properties over from our custom `video-js` element
+ // to our new `video` element. This will move things like
+ // `src` or `controls` that were set via js before the player
+ // was initialized.
+ Object.keys(el).forEach(function (k) {
+ try {
+ tag[k] = el[k];
+ } catch (e) {// we got a a property like outerHTML which we can't actually copy, ignore it
+ }
+ });
+ } // set tabindex to -1 to remove the video element from the focus order
- Player.prototype.language = function language(code) {
- if (code === undefined) {
- return this.language_;
- }
- this.language_ = String(code).toLowerCase();
- };
+ tag.setAttribute('tabindex', '-1');
+ attrs.tabindex = '-1'; // Workaround for #4583 (JAWS+IE doesn't announce BPB or play button), and
+ // for the same issue with Chrome (on Windows) with JAWS.
+ // See https://github.com/FreedomScientific/VFO-standards-support/issues/78
+ // Note that we can't detect if JAWS is being used, but this ARIA attribute
+ // doesn't change behavior of IE11 or Chrome if JAWS is not being used
- /**
- * Get the player's language dictionary
- * Merge every time, because a newly added plugin might call videojs.addLanguage() at any time
- * Languages specified directly in the player options have precedence
- *
- * @return {Array}
- * An array of of supported languages
- */
+ if (IE_VERSION || IS_CHROME && IS_WINDOWS) {
+ tag.setAttribute('role', 'application');
+ attrs.role = 'application';
+ } // Remove width/height attrs from tag so CSS can make it 100% width/height
- Player.prototype.languages = function languages() {
- return mergeOptions(Player.prototype.options_.languages, this.languages_);
- };
+ tag.removeAttribute('width');
+ tag.removeAttribute('height');
- /**
- * returns a JavaScript object reperesenting the current track
- * information. **DOES not return it as JSON**
- *
- * @return {Object}
- * Object representing the current of track info
- */
+ if ('width' in attrs) {
+ delete attrs.width;
+ }
+ if ('height' in attrs) {
+ delete attrs.height;
+ }
- Player.prototype.toJSON = function toJSON() {
- var options = mergeOptions(this.options_);
- var tracks = options.tracks;
+ Object.getOwnPropertyNames(attrs).forEach(function (attr) {
+ // don't copy over the class attribute to the player element when we're in a div embed
+ // the class is already set up properly in the divEmbed case
+ // and we want to make sure that the `video-js` class doesn't get lost
+ if (!(divEmbed && attr === 'class')) {
+ el.setAttribute(attr, attrs[attr]);
+ }
- options.tracks = [];
+ if (divEmbed) {
+ tag.setAttribute(attr, attrs[attr]);
+ }
+ }); // Update tag id/class for use as HTML5 playback tech
+ // Might think we should do this after embedding in container so .vjs-tech class
+ // doesn't flash 100% width/height, but class only applies with .video-js parent
- for (var i = 0; i < tracks.length; i++) {
- var track = tracks[i];
+ tag.playerId = tag.id;
+ tag.id += '_html5_api';
+ tag.className = 'vjs-tech'; // Make player findable on elements
- // deep merge tracks and null out player so no circular references
- track = mergeOptions(track);
- track.player = undefined;
- options.tracks[i] = track;
- }
+ tag.player = el.player = this; // Default state of video is paused
- return options;
- };
+ this.addClass('vjs-paused'); // Add a style element in the player that we'll use to set the width/height
+ // of the player in a way that's still overrideable by CSS, just like the
+ // video element
- /**
- * Creates a simple modal dialog (an instance of the {@link ModalDialog}
- * component) that immediately overlays the player with arbitrary
- * content and removes itself when closed.
- *
- * @param {string|Function|Element|Array|null} content
- * Same as {@link ModalDialog#content}'s param of the same name.
- * The most straight-forward usage is to provide a string or DOM
- * element.
- *
- * @param {Object} [options]
- * Extra options which will be passed on to the {@link ModalDialog}.
- *
- * @return {ModalDialog}
- * the {@link ModalDialog} that was created
- */
+ if (window$3.VIDEOJS_NO_DYNAMIC_STYLE !== true) {
+ this.styleEl_ = createStyleElement('vjs-styles-dimensions');
+ var defaultsStyleEl = $('.vjs-styles-defaults');
+ var head = $('head');
+ head.insertBefore(this.styleEl_, defaultsStyleEl ? defaultsStyleEl.nextSibling : head.firstChild);
+ }
+ this.fill_ = false;
+ this.fluid_ = false; // Pass in the width/height/aspectRatio options which will update the style el
- Player.prototype.createModal = function createModal(content, options) {
- var _this8 = this;
+ this.width(this.options_.width);
+ this.height(this.options_.height);
+ this.fill(this.options_.fill);
+ this.fluid(this.options_.fluid);
+ this.aspectRatio(this.options_.aspectRatio); // support both crossOrigin and crossorigin to reduce confusion and issues around the name
- options = options || {};
- options.content = content || '';
+ this.crossOrigin(this.options_.crossOrigin || this.options_.crossorigin); // Hide any links within the video/audio tag,
+ // because IE doesn't hide them completely from screen readers.
- var modal = new ModalDialog(this, options);
+ var links = tag.getElementsByTagName('a');
- this.addChild(modal);
- modal.on('dispose', function () {
- _this8.removeChild(modal);
- });
+ for (var i = 0; i < links.length; i++) {
+ var linkEl = links.item(i);
+ addClass(linkEl, 'vjs-hidden');
+ linkEl.setAttribute('hidden', 'hidden');
+ } // insertElFirst seems to cause the networkState to flicker from 3 to 2, so
+ // keep track of the original for later so we can know if the source originally failed
- modal.open();
- return modal;
- };
- /**
- * Gets tag settings
- *
- * @param {Element} tag
- * The player tag
- *
- * @return {Object}
- * An object containing all of the settings
- * for a player tag
- */
+ tag.initNetworkState_ = tag.networkState; // Wrap video tag in div (el/box) container
+ if (tag.parentNode && !playerElIngest) {
+ tag.parentNode.insertBefore(el, tag);
+ } // insert the tag as the first child of the player element
+ // then manually add it to the children array so that this.addChild
+ // will work properly for other components
+ //
+ // Breaks iPhone, fixed in HTML5 setup.
- Player.getTagSettings = function getTagSettings(tag) {
- var baseOptions = {
- sources: [],
- tracks: []
- };
- var tagOptions = getAttributes(tag);
- var dataSetup = tagOptions['data-setup'];
+ prependTo(tag, el);
+ this.children_.unshift(tag); // Set lang attr on player to ensure CSS :lang() in consistent with player
+ // if it's been set to something different to the doc
- if (hasClass(tag, 'vjs-fluid')) {
- tagOptions.fluid = true;
+ this.el_.setAttribute('lang', this.language_);
+ this.el_ = el;
+ return el;
}
+ /**
+ * Get or set the `Player`'s crossOrigin option. For the HTML5 player, this
+ * sets the `crossOrigin` property on the `<video>` tag to control the CORS
+ * behavior.
+ *
+ * @see [Video Element Attributes]{@link https://developer.mozilla.org/en-US/docs/Web/HTML/Element/video#attr-crossorigin}
+ *
+ * @param {string} [value]
+ * The value to set the `Player`'s crossOrigin to. If an argument is
+ * given, must be one of `anonymous` or `use-credentials`.
+ *
+ * @return {string|undefined}
+ * - The current crossOrigin value of the `Player` when getting.
+ * - undefined when setting
+ */
+ ;
- // Check if data-setup attr exists.
- if (dataSetup !== null) {
- // Parse options JSON
- // If empty string, make it a parsable json object.
- var _safeParseTuple = tuple(dataSetup || '{}'),
- err = _safeParseTuple[0],
- data = _safeParseTuple[1];
+ _proto.crossOrigin = function crossOrigin(value) {
+ if (!value) {
+ return this.techGet_('crossOrigin');
+ }
- if (err) {
- log$1.error(err);
+ if (value !== 'anonymous' && value !== 'use-credentials') {
+ log.warn("crossOrigin must be \"anonymous\" or \"use-credentials\", given \"" + value + "\"");
+ return;
}
- assign(tagOptions, data);
+
+ this.techCall_('setCrossOrigin', value);
+ return;
}
+ /**
+ * A getter/setter for the `Player`'s width. Returns the player's configured value.
+ * To get the current width use `currentWidth()`.
+ *
+ * @param {number} [value]
+ * The value to set the `Player`'s width to.
+ *
+ * @return {number}
+ * The current width of the `Player` when getting.
+ */
+ ;
- assign(baseOptions, tagOptions);
+ _proto.width = function width(value) {
+ return this.dimension('width', value);
+ }
+ /**
+ * A getter/setter for the `Player`'s height. Returns the player's configured value.
+ * To get the current height use `currentheight()`.
+ *
+ * @param {number} [value]
+ * The value to set the `Player`'s heigth to.
+ *
+ * @return {number}
+ * The current height of the `Player` when getting.
+ */
+ ;
- // Get tag children settings
- if (tag.hasChildNodes()) {
- var children = tag.childNodes;
+ _proto.height = function height(value) {
+ return this.dimension('height', value);
+ }
+ /**
+ * A getter/setter for the `Player`'s width & height.
+ *
+ * @param {string} dimension
+ * This string can be:
+ * - 'width'
+ * - 'height'
+ *
+ * @param {number} [value]
+ * Value for dimension specified in the first argument.
+ *
+ * @return {number}
+ * The dimension arguments value when getting (width/height).
+ */
+ ;
- for (var i = 0, j = children.length; i < j; i++) {
- var child = children[i];
- // Change case needed: http://ejohn.org/blog/nodename-case-sensitivity/
- var childName = child.nodeName.toLowerCase();
+ _proto.dimension = function dimension(_dimension, value) {
+ var privDimension = _dimension + '_';
- if (childName === 'source') {
- baseOptions.sources.push(getAttributes(child));
- } else if (childName === 'track') {
- baseOptions.tracks.push(getAttributes(child));
- }
+ if (value === undefined) {
+ return this[privDimension] || 0;
}
- }
-
- return baseOptions;
- };
- /**
- * Determine wether or not flexbox is supported
- *
- * @return {boolean}
- * - true if flexbox is supported
- * - false if flexbox is not supported
- */
+ if (value === '' || value === 'auto') {
+ // If an empty string is given, reset the dimension to be automatic
+ this[privDimension] = undefined;
+ this.updateStyleEl_();
+ return;
+ }
+ var parsedVal = parseFloat(value);
- Player.prototype.flexNotSupported_ = function flexNotSupported_() {
- var elem = document_1.createElement('i');
+ if (isNaN(parsedVal)) {
+ log.error("Improper value \"" + value + "\" supplied for for " + _dimension);
+ return;
+ }
- // Note: We don't actually use flexBasis (or flexOrder), but it's one of the more
- // common flex features that we can rely on when checking for flex support.
- return !('flexBasis' in elem.style || 'webkitFlexBasis' in elem.style || 'mozFlexBasis' in elem.style || 'msFlexBasis' in elem.style ||
- // IE10-specific (2012 flex spec)
- 'msFlexOrder' in elem.style);
- };
+ this[privDimension] = parsedVal;
+ this.updateStyleEl_();
+ }
+ /**
+ * A getter/setter/toggler for the vjs-fluid `className` on the `Player`.
+ *
+ * Turning this on will turn off fill mode.
+ *
+ * @param {boolean} [bool]
+ * - A value of true adds the class.
+ * - A value of false removes the class.
+ * - No value will be a getter.
+ *
+ * @return {boolean|undefined}
+ * - The value of fluid when getting.
+ * - `undefined` when setting.
+ */
+ ;
- return Player;
-}(Component);
+ _proto.fluid = function fluid(bool) {
+ if (bool === undefined) {
+ return !!this.fluid_;
+ }
-/**
- * Get the {@link VideoTrackList}
- * @link https://html.spec.whatwg.org/multipage/embedded-content.html#videotracklist
- *
- * @return {VideoTrackList}
- * the current video track list
- *
- * @method Player.prototype.videoTracks
- */
+ this.fluid_ = !!bool;
-/**
- * Get the {@link AudioTrackList}
- * @link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotracklist
- *
- * @return {AudioTrackList}
- * the current audio track list
- *
- * @method Player.prototype.audioTracks
- */
+ if (isEvented(this)) {
+ this.off('playerreset', this.updateStyleEl_);
+ }
-/**
- * Get the {@link TextTrackList}
- *
- * @link http://www.w3.org/html/wg/drafts/html/master/embedded-content-0.html#dom-media-texttracks
- *
- * @return {TextTrackList}
- * the current text track list
- *
- * @method Player.prototype.textTracks
- */
+ if (bool) {
+ this.addClass('vjs-fluid');
+ this.fill(false);
+ addEventedCallback(function () {
+ this.on('playerreset', this.updateStyleEl_);
+ });
+ } else {
+ this.removeClass('vjs-fluid');
+ }
-/**
- * Get the remote {@link TextTrackList}
- *
- * @return {TextTrackList}
- * The current remote text track list
- *
- * @method Player.prototype.remoteTextTracks
- */
+ this.updateStyleEl_();
+ }
+ /**
+ * A getter/setter/toggler for the vjs-fill `className` on the `Player`.
+ *
+ * Turning this on will turn off fluid mode.
+ *
+ * @param {boolean} [bool]
+ * - A value of true adds the class.
+ * - A value of false removes the class.
+ * - No value will be a getter.
+ *
+ * @return {boolean|undefined}
+ * - The value of fluid when getting.
+ * - `undefined` when setting.
+ */
+ ;
-/**
- * Get the remote {@link HtmlTrackElementList} tracks.
- *
- * @return {HtmlTrackElementList}
- * The current remote text track element list
- *
- * @method Player.prototype.remoteTextTrackEls
- */
+ _proto.fill = function fill(bool) {
+ if (bool === undefined) {
+ return !!this.fill_;
+ }
-ALL.names.forEach(function (name$$1) {
- var props = ALL[name$$1];
+ this.fill_ = !!bool;
- Player.prototype[props.getterName] = function () {
- if (this.tech_) {
- return this.tech_[props.getterName]();
+ if (bool) {
+ this.addClass('vjs-fill');
+ this.fluid(false);
+ } else {
+ this.removeClass('vjs-fill');
+ }
}
+ /**
+ * Get/Set the aspect ratio
+ *
+ * @param {string} [ratio]
+ * Aspect ratio for player
+ *
+ * @return {string|undefined}
+ * returns the current aspect ratio when getting
+ */
- // if we have not yet loadTech_, we create {video,audio,text}Tracks_
- // these will be passed to the tech during loading
- this[props.privateName] = this[props.privateName] || new props.ListClass();
- return this[props.privateName];
- };
-});
-
-/**
- * Global player list
- *
- * @type {Object}
- */
-Player.players = {};
+ /**
+ * A getter/setter for the `Player`'s aspect ratio.
+ *
+ * @param {string} [ratio]
+ * The value to set the `Player`'s aspect ratio to.
+ *
+ * @return {string|undefined}
+ * - The current aspect ratio of the `Player` when getting.
+ * - undefined when setting
+ */
+ ;
-var navigator$1 = window_1.navigator;
+ _proto.aspectRatio = function aspectRatio(ratio) {
+ if (ratio === undefined) {
+ return this.aspectRatio_;
+ } // Check for width:height format
-/*
- * Player instance options, surfaced using options
- * options = Player.prototype.options_
- * Make changes in options, not here.
- *
- * @type {Object}
- * @private
- */
-Player.prototype.options_ = {
- // Default order of fallback technology
- techOrder: Tech.defaultTechOrder_,
- html5: {},
- flash: {},
+ if (!/^\d+\:\d+$/.test(ratio)) {
+ throw new Error('Improper value supplied for aspect ratio. The format should be width:height, for example 16:9.');
+ }
- // default inactivity timeout
- inactivityTimeout: 2000,
+ this.aspectRatio_ = ratio; // We're assuming if you set an aspect ratio you want fluid mode,
+ // because in fixed mode you could calculate width and height yourself.
- // default playback rates
- playbackRates: [],
- // Add playback rate selection by adding rates
- // 'playbackRates': [0.5, 1, 1.5, 2],
+ this.fluid(true);
+ this.updateStyleEl_();
+ }
+ /**
+ * Update styles of the `Player` element (height, width and aspect ratio).
+ *
+ * @private
+ * @listens Tech#loadedmetadata
+ */
+ ;
- // Included control sets
- children: ['mediaLoader', 'posterImage', 'textTrackDisplay', 'loadingSpinner', 'bigPlayButton', 'controlBar', 'errorDisplay', 'textTrackSettings'],
+ _proto.updateStyleEl_ = function updateStyleEl_() {
+ if (window$3.VIDEOJS_NO_DYNAMIC_STYLE === true) {
+ var _width = typeof this.width_ === 'number' ? this.width_ : this.options_.width;
- language: navigator$1 && (navigator$1.languages && navigator$1.languages[0] || navigator$1.userLanguage || navigator$1.language) || 'en',
+ var _height = typeof this.height_ === 'number' ? this.height_ : this.options_.height;
- // locales and their language translations
- languages: {},
+ var techEl = this.tech_ && this.tech_.el();
- // Default message to show when a video cannot be played.
- notSupportedMessage: 'No compatible source was found for this media.'
-};
+ if (techEl) {
+ if (_width >= 0) {
+ techEl.width = _width;
+ }
-if (!IS_IE8) {
- Player.prototype.options_.children.push('resizeManager');
-}
+ if (_height >= 0) {
+ techEl.height = _height;
+ }
+ }
-[
-/**
- * Returns whether or not the player is in the "ended" state.
- *
- * @return {Boolean} True if the player is in the ended state, false if not.
- * @method Player#ended
- */
-'ended',
-/**
- * Returns whether or not the player is in the "seeking" state.
- *
- * @return {Boolean} True if the player is in the seeking state, false if not.
- * @method Player#seeking
- */
-'seeking',
-/**
- * Returns the TimeRanges of the media that are currently available
- * for seeking to.
- *
- * @return {TimeRanges} the seekable intervals of the media timeline
- * @method Player#seekable
- */
-'seekable',
-/**
- * Returns the current state of network activity for the element, from
- * the codes in the list below.
- * - NETWORK_EMPTY (numeric value 0)
- * The element has not yet been initialised. All attributes are in
- * their initial states.
- * - NETWORK_IDLE (numeric value 1)
- * The element's resource selection algorithm is active and has
- * selected a resource, but it is not actually using the network at
- * this time.
- * - NETWORK_LOADING (numeric value 2)
- * The user agent is actively trying to download data.
- * - NETWORK_NO_SOURCE (numeric value 3)
- * The element's resource selection algorithm is active, but it has
- * not yet found a resource to use.
- *
- * @see https://html.spec.whatwg.org/multipage/embedded-content.html#network-states
- * @return {number} the current network activity state
- * @method Player#networkState
- */
-'networkState',
-/**
- * Returns a value that expresses the current state of the element
- * with respect to rendering the current playback position, from the
- * codes in the list below.
- * - HAVE_NOTHING (numeric value 0)
- * No information regarding the media resource is available.
- * - HAVE_METADATA (numeric value 1)
- * Enough of the resource has been obtained that the duration of the
- * resource is available.
- * - HAVE_CURRENT_DATA (numeric value 2)
- * Data for the immediate current playback position is available.
- * - HAVE_FUTURE_DATA (numeric value 3)
- * Data for the immediate current playback position is available, as
- * well as enough data for the user agent to advance the current
- * playback position in the direction of playback.
- * - HAVE_ENOUGH_DATA (numeric value 4)
- * The user agent estimates that enough data is available for
- * playback to proceed uninterrupted.
- *
- * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-readystate
- * @return {number} the current playback rendering state
- * @method Player#readyState
- */
-'readyState'].forEach(function (fn) {
- Player.prototype[fn] = function () {
- return this.techGet_(fn);
- };
-});
+ return;
+ }
-TECH_EVENTS_RETRIGGER.forEach(function (event) {
- Player.prototype['handleTech' + toTitleCase(event) + '_'] = function () {
- return this.trigger(event);
- };
-});
+ var width;
+ var height;
+ var aspectRatio;
+ var idClass; // The aspect ratio is either used directly or to calculate width and height.
+
+ if (this.aspectRatio_ !== undefined && this.aspectRatio_ !== 'auto') {
+ // Use any aspectRatio that's been specifically set
+ aspectRatio = this.aspectRatio_;
+ } else if (this.videoWidth() > 0) {
+ // Otherwise try to get the aspect ratio from the video metadata
+ aspectRatio = this.videoWidth() + ':' + this.videoHeight();
+ } else {
+ // Or use a default. The video element's is 2:1, but 16:9 is more common.
+ aspectRatio = '16:9';
+ } // Get the ratio as a decimal we can use to calculate dimensions
-/**
- * Fired when the player has initial duration and dimension information
- *
- * @event Player#loadedmetadata
- * @type {EventTarget~Event}
- */
-/**
- * Fired when the player has downloaded data at the current playback position
- *
- * @event Player#loadeddata
- * @type {EventTarget~Event}
- */
+ var ratioParts = aspectRatio.split(':');
+ var ratioMultiplier = ratioParts[1] / ratioParts[0];
-/**
- * Fired when the current playback position has changed *
- * During playback this is fired every 15-250 milliseconds, depending on the
- * playback technology in use.
- *
- * @event Player#timeupdate
- * @type {EventTarget~Event}
- */
+ if (this.width_ !== undefined) {
+ // Use any width that's been specifically set
+ width = this.width_;
+ } else if (this.height_ !== undefined) {
+ // Or calulate the width from the aspect ratio if a height has been set
+ width = this.height_ / ratioMultiplier;
+ } else {
+ // Or use the video's metadata, or use the video el's default of 300
+ width = this.videoWidth() || 300;
+ }
-/**
- * Fired when the volume changes
- *
- * @event Player#volumechange
- * @type {EventTarget~Event}
- */
+ if (this.height_ !== undefined) {
+ // Use any height that's been specifically set
+ height = this.height_;
+ } else {
+ // Otherwise calculate the height from the ratio and the width
+ height = width * ratioMultiplier;
+ } // Ensure the CSS class is valid by starting with an alpha character
-/**
- * Reports whether or not a player has a plugin available.
- *
- * This does not report whether or not the plugin has ever been initialized
- * on this player. For that, [usingPlugin]{@link Player#usingPlugin}.
- *
- * @method Player#hasPlugin
- * @param {string} name
- * The name of a plugin.
- *
- * @return {boolean}
- * Whether or not this player has the requested plugin available.
- */
-/**
- * Reports whether or not a player is using a plugin by name.
- *
- * For basic plugins, this only reports whether the plugin has _ever_ been
- * initialized on this player.
- *
- * @method Player#usingPlugin
- * @param {string} name
- * The name of a plugin.
- *
- * @return {boolean}
- * Whether or not this player is using the requested plugin.
- */
+ if (/^[^a-zA-Z]/.test(this.id())) {
+ idClass = 'dimensions-' + this.id();
+ } else {
+ idClass = this.id() + '-dimensions';
+ } // Ensure the right class is still on the player for the style element
-Component.registerComponent('Player', Player);
-/**
- * @file plugin.js
- */
-/**
- * The base plugin name.
- *
- * @private
- * @constant
- * @type {string}
- */
-var BASE_PLUGIN_NAME = 'plugin';
+ this.addClass(idClass);
+ setTextContent(this.styleEl_, "\n ." + idClass + " {\n width: " + width + "px;\n height: " + height + "px;\n }\n\n ." + idClass + ".vjs-fluid {\n padding-top: " + ratioMultiplier * 100 + "%;\n }\n ");
+ }
+ /**
+ * Load/Create an instance of playback {@link Tech} including element
+ * and API methods. Then append the `Tech` element in `Player` as a child.
+ *
+ * @param {string} techName
+ * name of the playback technology
+ *
+ * @param {string} source
+ * video source
+ *
+ * @private
+ */
+ ;
-/**
- * The key on which a player's active plugins cache is stored.
- *
- * @private
- * @constant
- * @type {string}
- */
-var PLUGIN_CACHE_KEY = 'activePlugins_';
+ _proto.loadTech_ = function loadTech_(techName, source) {
+ var _this3 = this;
-/**
- * Stores registered plugins in a private space.
- *
- * @private
- * @type {Object}
- */
-var pluginStorage = {};
+ // Pause and remove current playback technology
+ if (this.tech_) {
+ this.unloadTech_();
+ }
-/**
- * Reports whether or not a plugin has been registered.
- *
- * @private
- * @param {string} name
- * The name of a plugin.
- *
- * @returns {boolean}
- * Whether or not the plugin has been registered.
- */
-var pluginExists = function pluginExists(name) {
- return pluginStorage.hasOwnProperty(name);
-};
+ var titleTechName = toTitleCase(techName);
+ var camelTechName = techName.charAt(0).toLowerCase() + techName.slice(1); // get rid of the HTML5 video tag as soon as we are using another tech
-/**
- * Get a single registered plugin by name.
- *
- * @private
- * @param {string} name
- * The name of a plugin.
- *
- * @returns {Function|undefined}
- * The plugin (or undefined).
- */
-var getPlugin = function getPlugin(name) {
- return pluginExists(name) ? pluginStorage[name] : undefined;
-};
+ if (titleTechName !== 'Html5' && this.tag) {
+ Tech.getTech('Html5').disposeMediaElement(this.tag);
+ this.tag.player = null;
+ this.tag = null;
+ }
-/**
- * Marks a plugin as "active" on a player.
- *
- * Also, ensures that the player has an object for tracking active plugins.
- *
- * @private
- * @param {Player} player
- * A Video.js player instance.
- *
- * @param {string} name
- * The name of a plugin.
- */
-var markPluginAsActive = function markPluginAsActive(player, name) {
- player[PLUGIN_CACHE_KEY] = player[PLUGIN_CACHE_KEY] || {};
- player[PLUGIN_CACHE_KEY][name] = true;
-};
+ this.techName_ = titleTechName; // Turn off API access because we're loading a new tech that might load asynchronously
+
+ this.isReady_ = false; // if autoplay is a string we pass false to the tech
+ // because the player is going to handle autoplay on `loadstart`
+
+ var autoplay = typeof this.autoplay() === 'string' ? false : this.autoplay(); // Grab tech-specific options from player options and add source and parent element to use.
+
+ var techOptions = {
+ source: source,
+ autoplay: autoplay,
+ 'nativeControlsForTouch': this.options_.nativeControlsForTouch,
+ 'playerId': this.id(),
+ 'techId': this.id() + "_" + camelTechName + "_api",
+ 'playsinline': this.options_.playsinline,
+ 'preload': this.options_.preload,
+ 'loop': this.options_.loop,
+ 'muted': this.options_.muted,
+ 'poster': this.poster(),
+ 'language': this.language(),
+ 'playerElIngest': this.playerElIngest_ || false,
+ 'vtt.js': this.options_['vtt.js'],
+ 'canOverridePoster': !!this.options_.techCanOverridePoster,
+ 'enableSourceset': this.options_.enableSourceset,
+ 'Promise': this.options_.Promise
+ };
+ ALL.names.forEach(function (name) {
+ var props = ALL[name];
+ techOptions[props.getterName] = _this3[props.privateName];
+ });
+ assign(techOptions, this.options_[titleTechName]);
+ assign(techOptions, this.options_[camelTechName]);
+ assign(techOptions, this.options_[techName.toLowerCase()]);
-/**
- * Triggers a pair of plugin setup events.
- *
- * @private
- * @param {Player} player
- * A Video.js player instance.
- *
- * @param {Plugin~PluginEventHash} hash
- * A plugin event hash.
- *
- * @param {Boolean} [before]
- * If true, prefixes the event name with "before". In other words,
- * use this to trigger "beforepluginsetup" instead of "pluginsetup".
- */
-var triggerSetupEvent = function triggerSetupEvent(player, hash, before) {
- var eventName = (before ? 'before' : '') + 'pluginsetup';
+ if (this.tag) {
+ techOptions.tag = this.tag;
+ }
- player.trigger(eventName, hash);
- player.trigger(eventName + ':' + hash.name, hash);
-};
+ if (source && source.src === this.cache_.src && this.cache_.currentTime > 0) {
+ techOptions.startTime = this.cache_.currentTime;
+ } // Initialize tech instance
-/**
- * Takes a basic plugin function and returns a wrapper function which marks
- * on the player that the plugin has been activated.
- *
- * @private
- * @param {string} name
- * The name of the plugin.
- *
- * @param {Function} plugin
- * The basic plugin.
- *
- * @returns {Function}
- * A wrapper function for the given plugin.
- */
-var createBasicPlugin = function createBasicPlugin(name, plugin) {
- var basicPluginWrapper = function basicPluginWrapper() {
- // We trigger the "beforepluginsetup" and "pluginsetup" events on the player
- // regardless, but we want the hash to be consistent with the hash provided
- // for advanced plugins.
- //
- // The only potentially counter-intuitive thing here is the `instance` in
- // the "pluginsetup" event is the value returned by the `plugin` function.
- triggerSetupEvent(this, { name: name, plugin: plugin, instance: null }, true);
+ var TechClass = Tech.getTech(techName);
- var instance = plugin.apply(this, arguments);
+ if (!TechClass) {
+ throw new Error("No Tech named '" + titleTechName + "' exists! '" + titleTechName + "' should be registered using videojs.registerTech()'");
+ }
- markPluginAsActive(this, name);
- triggerSetupEvent(this, { name: name, plugin: plugin, instance: instance });
+ this.tech_ = new TechClass(techOptions); // player.triggerReady is always async, so don't need this to be async
- return instance;
- };
+ this.tech_.ready(bind(this, this.handleTechReady_), true);
+ textTrackConverter.jsonToTextTracks(this.textTracksJson_ || [], this.tech_); // Listen to all HTML5-defined events and trigger them on the player
- Object.keys(plugin).forEach(function (prop) {
- basicPluginWrapper[prop] = plugin[prop];
- });
+ TECH_EVENTS_RETRIGGER.forEach(function (event) {
+ _this3.on(_this3.tech_, event, _this3["handleTech" + toTitleCase(event) + "_"]);
+ });
+ Object.keys(TECH_EVENTS_QUEUE).forEach(function (event) {
+ _this3.on(_this3.tech_, event, function (eventObj) {
+ if (_this3.tech_.playbackRate() === 0 && _this3.tech_.seeking()) {
+ _this3.queuedCallbacks_.push({
+ callback: _this3["handleTech" + TECH_EVENTS_QUEUE[event] + "_"].bind(_this3),
+ event: eventObj
+ });
+
+ return;
+ }
- return basicPluginWrapper;
-};
+ _this3["handleTech" + TECH_EVENTS_QUEUE[event] + "_"](eventObj);
+ });
+ });
+ this.on(this.tech_, 'loadstart', this.handleTechLoadStart_);
+ this.on(this.tech_, 'sourceset', this.handleTechSourceset_);
+ this.on(this.tech_, 'waiting', this.handleTechWaiting_);
+ this.on(this.tech_, 'ended', this.handleTechEnded_);
+ this.on(this.tech_, 'seeking', this.handleTechSeeking_);
+ this.on(this.tech_, 'play', this.handleTechPlay_);
+ this.on(this.tech_, 'firstplay', this.handleTechFirstPlay_);
+ this.on(this.tech_, 'pause', this.handleTechPause_);
+ this.on(this.tech_, 'durationchange', this.handleTechDurationChange_);
+ this.on(this.tech_, 'fullscreenchange', this.handleTechFullscreenChange_);
+ this.on(this.tech_, 'fullscreenerror', this.handleTechFullscreenError_);
+ this.on(this.tech_, 'enterpictureinpicture', this.handleTechEnterPictureInPicture_);
+ this.on(this.tech_, 'leavepictureinpicture', this.handleTechLeavePictureInPicture_);
+ this.on(this.tech_, 'error', this.handleTechError_);
+ this.on(this.tech_, 'loadedmetadata', this.updateStyleEl_);
+ this.on(this.tech_, 'posterchange', this.handleTechPosterChange_);
+ this.on(this.tech_, 'textdata', this.handleTechTextData_);
+ this.on(this.tech_, 'ratechange', this.handleTechRateChange_);
+ this.usingNativeControls(this.techGet_('controls'));
+
+ if (this.controls() && !this.usingNativeControls()) {
+ this.addTechControlsListeners_();
+ } // Add the tech element in the DOM if it was not already there
+ // Make sure to not insert the original video element if using Html5
-/**
- * Takes a plugin sub-class and returns a factory function for generating
- * instances of it.
- *
- * This factory function will replace itself with an instance of the requested
- * sub-class of Plugin.
- *
- * @private
- * @param {string} name
- * The name of the plugin.
- *
- * @param {Plugin} PluginSubClass
- * The advanced plugin.
- *
- * @returns {Function}
- */
-var createPluginFactory = function createPluginFactory(name, PluginSubClass) {
- // Add a `name` property to the plugin prototype so that each plugin can
- // refer to itself by name.
- PluginSubClass.prototype.name = name;
+ if (this.tech_.el().parentNode !== this.el() && (titleTechName !== 'Html5' || !this.tag)) {
+ prependTo(this.tech_.el(), this.el());
+ } // Get rid of the original video tag reference after the first tech is loaded
- return function () {
- triggerSetupEvent(this, { name: name, plugin: PluginSubClass, instance: null }, true);
- for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
- args[_key] = arguments[_key];
+ if (this.tag) {
+ this.tag.player = null;
+ this.tag = null;
+ }
}
+ /**
+ * Unload and dispose of the current playback {@link Tech}.
+ *
+ * @private
+ */
+ ;
- var instance = new (Function.prototype.bind.apply(PluginSubClass, [null].concat([this].concat(args))))();
+ _proto.unloadTech_ = function unloadTech_() {
+ var _this4 = this;
- // The plugin is replaced by a function that returns the current instance.
- this[name] = function () {
- return instance;
- };
+ // Save the current text tracks so that we can reuse the same text tracks with the next tech
+ ALL.names.forEach(function (name) {
+ var props = ALL[name];
+ _this4[props.privateName] = _this4[props.getterName]();
+ });
+ this.textTracksJson_ = textTrackConverter.textTracksToJson(this.tech_);
+ this.isReady_ = false;
+ this.tech_.dispose();
+ this.tech_ = false;
- triggerSetupEvent(this, instance.getEventHash());
+ if (this.isPosterFromTech_) {
+ this.poster_ = '';
+ this.trigger('posterchange');
+ }
- return instance;
- };
-};
+ this.isPosterFromTech_ = false;
+ }
+ /**
+ * Return a reference to the current {@link Tech}.
+ * It will print a warning by default about the danger of using the tech directly
+ * but any argument that is passed in will silence the warning.
+ *
+ * @param {*} [safety]
+ * Anything passed in to silence the warning
+ *
+ * @return {Tech}
+ * The Tech
+ */
+ ;
-/**
- * Parent class for all advanced plugins.
- *
- * @mixes module:evented~EventedMixin
- * @mixes module:stateful~StatefulMixin
- * @fires Player#beforepluginsetup
- * @fires Player#beforepluginsetup:$name
- * @fires Player#pluginsetup
- * @fires Player#pluginsetup:$name
- * @listens Player#dispose
- * @throws {Error}
- * If attempting to instantiate the base {@link Plugin} class
- * directly instead of via a sub-class.
- */
+ _proto.tech = function tech(safety) {
+ if (safety === undefined) {
+ log.warn('Using the tech directly can be dangerous. I hope you know what you\'re doing.\n' + 'See https://github.com/videojs/video.js/issues/2617 for more info.\n');
+ }
+
+ return this.tech_;
+ }
+ /**
+ * Set up click and touch listeners for the playback element
+ *
+ * - On desktops: a click on the video itself will toggle playback
+ * - On mobile devices: a click on the video toggles controls
+ * which is done by toggling the user state between active and
+ * inactive
+ * - A tap can signal that a user has become active or has become inactive
+ * e.g. a quick tap on an iPhone movie should reveal the controls. Another
+ * quick tap should hide them again (signaling the user is in an inactive
+ * viewing state)
+ * - In addition to this, we still want the user to be considered inactive after
+ * a few seconds of inactivity.
+ *
+ * > Note: the only part of iOS interaction we can't mimic with this setup
+ * is a touch and hold on the video element counting as activity in order to
+ * keep the controls showing, but that shouldn't be an issue. A touch and hold
+ * on any controls will still keep the user active
+ *
+ * @private
+ */
+ ;
-var Plugin = function () {
+ _proto.addTechControlsListeners_ = function addTechControlsListeners_() {
+ // Make sure to remove all the previous listeners in case we are called multiple times.
+ this.removeTechControlsListeners_(); // Some browsers (Chrome & IE) don't trigger a click on a flash swf, but do
+ // trigger mousedown/up.
+ // http://stackoverflow.com/questions/1444562/javascript-onclick-event-over-flash-object
+ // Any touch events are set to block the mousedown event from happening
- /**
- * Creates an instance of this class.
- *
- * Sub-classes should call `super` to ensure plugins are properly initialized.
- *
- * @param {Player} player
- * A Video.js player instance.
- */
- function Plugin(player) {
- classCallCheck(this, Plugin);
+ this.on(this.tech_, 'mouseup', this.handleTechClick_);
+ this.on(this.tech_, 'dblclick', this.handleTechDoubleClick_); // If the controls were hidden we don't want that to change without a tap event
+ // so we'll check if the controls were already showing before reporting user
+ // activity
- if (this.constructor === Plugin) {
- throw new Error('Plugin must be sub-classed; not directly instantiated.');
+ this.on(this.tech_, 'touchstart', this.handleTechTouchStart_);
+ this.on(this.tech_, 'touchmove', this.handleTechTouchMove_);
+ this.on(this.tech_, 'touchend', this.handleTechTouchEnd_); // The tap listener needs to come after the touchend listener because the tap
+ // listener cancels out any reportedUserActivity when setting userActive(false)
+
+ this.on(this.tech_, 'tap', this.handleTechTap_);
+ }
+ /**
+ * Remove the listeners used for click and tap controls. This is needed for
+ * toggling to controls disabled, where a tap/touch should do nothing.
+ *
+ * @private
+ */
+ ;
+
+ _proto.removeTechControlsListeners_ = function removeTechControlsListeners_() {
+ // We don't want to just use `this.off()` because there might be other needed
+ // listeners added by techs that extend this.
+ this.off(this.tech_, 'tap', this.handleTechTap_);
+ this.off(this.tech_, 'touchstart', this.handleTechTouchStart_);
+ this.off(this.tech_, 'touchmove', this.handleTechTouchMove_);
+ this.off(this.tech_, 'touchend', this.handleTechTouchEnd_);
+ this.off(this.tech_, 'mouseup', this.handleTechClick_);
+ this.off(this.tech_, 'dblclick', this.handleTechDoubleClick_);
}
+ /**
+ * Player waits for the tech to be ready
+ *
+ * @private
+ */
+ ;
- this.player = player;
+ _proto.handleTechReady_ = function handleTechReady_() {
+ this.triggerReady(); // Keep the same volume as before
- // Make this object evented, but remove the added `trigger` method so we
- // use the prototype version instead.
- evented(this);
- delete this.trigger;
+ if (this.cache_.volume) {
+ this.techCall_('setVolume', this.cache_.volume);
+ } // Look if the tech found a higher resolution poster while loading
- stateful(this, this.constructor.defaultState);
- markPluginAsActive(player, this.name);
- // Auto-bind the dispose method so we can use it as a listener and unbind
- // it later easily.
- this.dispose = bind(this, this.dispose);
+ this.handleTechPosterChange_(); // Update the duration if available
- // If the player is disposed, dispose the plugin.
- player.on('dispose', this.dispose);
- }
+ this.handleTechDurationChange_();
+ }
+ /**
+ * Retrigger the `loadstart` event that was triggered by the {@link Tech}. This
+ * function will also trigger {@link Player#firstplay} if it is the first loadstart
+ * for a video.
+ *
+ * @fires Player#loadstart
+ * @fires Player#firstplay
+ * @listens Tech#loadstart
+ * @private
+ */
+ ;
- /**
- * Get the version of the plugin that was set on <pluginName>.VERSION
- */
+ _proto.handleTechLoadStart_ = function handleTechLoadStart_() {
+ // TODO: Update to use `emptied` event instead. See #1277.
+ this.removeClass('vjs-ended');
+ this.removeClass('vjs-seeking'); // reset the error state
+ this.error(null); // Update the duration
- Plugin.prototype.version = function version() {
- return this.constructor.VERSION;
- };
+ this.handleTechDurationChange_(); // If it's already playing we want to trigger a firstplay event now.
+ // The firstplay event relies on both the play and loadstart events
+ // which can happen in any order for a new source
- /**
- * Each event triggered by plugins includes a hash of additional data with
- * conventional properties.
- *
- * This returns that object or mutates an existing hash.
- *
- * @param {Object} [hash={}]
- * An object to be used as event an event hash.
- *
- * @returns {Plugin~PluginEventHash}
- * An event hash object with provided properties mixed-in.
- */
+ if (!this.paused()) {
+ /**
+ * Fired when the user agent begins looking for media data
+ *
+ * @event Player#loadstart
+ * @type {EventTarget~Event}
+ */
+ this.trigger('loadstart');
+ this.trigger('firstplay');
+ } else {
+ // reset the hasStarted state
+ this.hasStarted(false);
+ this.trigger('loadstart');
+ } // autoplay happens after loadstart for the browser,
+ // so we mimic that behavior
+
+
+ this.manualAutoplay_(this.autoplay());
+ }
+ /**
+ * Handle autoplay string values, rather than the typical boolean
+ * values that should be handled by the tech. Note that this is not
+ * part of any specification. Valid values and what they do can be
+ * found on the autoplay getter at Player#autoplay()
+ */
+ ;
+ _proto.manualAutoplay_ = function manualAutoplay_(type) {
+ var _this5 = this;
- Plugin.prototype.getEventHash = function getEventHash() {
- var hash = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+ if (!this.tech_ || typeof type !== 'string') {
+ return;
+ }
- hash.name = this.name;
- hash.plugin = this.constructor;
- hash.instance = this;
- return hash;
- };
+ var muted = function muted() {
+ var previouslyMuted = _this5.muted();
- /**
- * Triggers an event on the plugin object and overrides
- * {@link module:evented~EventedMixin.trigger|EventedMixin.trigger}.
- *
- * @param {string|Object} event
- * An event type or an object with a type property.
- *
- * @param {Object} [hash={}]
- * Additional data hash to merge with a
- * {@link Plugin~PluginEventHash|PluginEventHash}.
- *
- * @returns {boolean}
- * Whether or not default was prevented.
- */
+ _this5.muted(true);
+ var restoreMuted = function restoreMuted() {
+ _this5.muted(previouslyMuted);
+ }; // restore muted on play terminatation
- Plugin.prototype.trigger = function trigger$$1(event) {
- var hash = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
- return trigger(this.eventBusEl_, event, this.getEventHash(hash));
- };
+ _this5.playTerminatedQueue_.push(restoreMuted);
- /**
- * Handles "statechanged" events on the plugin. No-op by default, override by
- * subclassing.
- *
- * @abstract
- * @param {Event} e
- * An event object provided by a "statechanged" event.
- *
- * @param {Object} e.changes
- * An object describing changes that occurred with the "statechanged"
- * event.
- */
+ var mutedPromise = _this5.play();
+ if (!isPromise(mutedPromise)) {
+ return;
+ }
- Plugin.prototype.handleStateChanged = function handleStateChanged(e) {};
+ return mutedPromise["catch"](restoreMuted);
+ };
- /**
- * Disposes a plugin.
- *
- * Subclasses can override this if they want, but for the sake of safety,
- * it's probably best to subscribe the "dispose" event.
- *
- * @fires Plugin#dispose
- */
+ var promise; // if muted defaults to true
+ // the only thing we can do is call play
+
+ if (type === 'any' && this.muted() !== true) {
+ promise = this.play();
+ if (isPromise(promise)) {
+ promise = promise["catch"](muted);
+ }
+ } else if (type === 'muted' && this.muted() !== true) {
+ promise = muted();
+ } else {
+ promise = this.play();
+ }
- Plugin.prototype.dispose = function dispose() {
- var name = this.name,
- player = this.player;
+ if (!isPromise(promise)) {
+ return;
+ }
+ return promise.then(function () {
+ _this5.trigger({
+ type: 'autoplay-success',
+ autoplay: type
+ });
+ })["catch"](function (e) {
+ _this5.trigger({
+ type: 'autoplay-failure',
+ autoplay: type
+ });
+ });
+ }
/**
- * Signals that a advanced plugin is about to be disposed.
+ * Update the internal source caches so that we return the correct source from
+ * `src()`, `currentSource()`, and `currentSources()`.
+ *
+ * > Note: `currentSources` will not be updated if the source that is passed in exists
+ * in the current `currentSources` cache.
*
- * @event Plugin#dispose
- * @type {EventTarget~Event}
+ *
+ * @param {Tech~SourceObject} srcObj
+ * A string or object source to update our caches to.
*/
+ ;
- this.trigger('dispose');
- this.off();
- player.off('dispose', this.dispose);
+ _proto.updateSourceCaches_ = function updateSourceCaches_(srcObj) {
+ if (srcObj === void 0) {
+ srcObj = '';
+ }
- // Eliminate any possible sources of leaking memory by clearing up
- // references between the player and the plugin instance and nulling out
- // the plugin's state and replacing methods with a function that throws.
- player[PLUGIN_CACHE_KEY][name] = false;
- this.player = this.state = null;
+ var src = srcObj;
+ var type = '';
- // Finally, replace the plugin name on the player with a new factory
- // function, so that the plugin is ready to be set up again.
- player[name] = createPluginFactory(name, pluginStorage[name]);
- };
+ if (typeof src !== 'string') {
+ src = srcObj.src;
+ type = srcObj.type;
+ } // make sure all the caches are set to default values
+ // to prevent null checking
- /**
- * Determines if a plugin is a basic plugin (i.e. not a sub-class of `Plugin`).
- *
- * @param {string|Function} plugin
- * If a string, matches the name of a plugin. If a function, will be
- * tested directly.
- *
- * @returns {boolean}
- * Whether or not a plugin is a basic plugin.
- */
+ this.cache_.source = this.cache_.source || {};
+ this.cache_.sources = this.cache_.sources || []; // try to get the type of the src that was passed in
- Plugin.isBasic = function isBasic(plugin) {
- var p = typeof plugin === 'string' ? getPlugin(plugin) : plugin;
+ if (src && !type) {
+ type = findMimetype(this, src);
+ } // update `currentSource` cache always
- return typeof p === 'function' && !Plugin.prototype.isPrototypeOf(p.prototype);
- };
- /**
- * Register a Video.js plugin.
- *
- * @param {string} name
- * The name of the plugin to be registered. Must be a string and
- * must not match an existing plugin or a method on the `Player`
- * prototype.
- *
- * @param {Function} plugin
- * A sub-class of `Plugin` or a function for basic plugins.
- *
- * @returns {Function}
- * For advanced plugins, a factory function for that plugin. For
- * basic plugins, a wrapper function that initializes the plugin.
- */
+ this.cache_.source = mergeOptions({}, srcObj, {
+ src: src,
+ type: type
+ });
+ var matchingSources = this.cache_.sources.filter(function (s) {
+ return s.src && s.src === src;
+ });
+ var sourceElSources = [];
+ var sourceEls = this.$$('source');
+ var matchingSourceEls = [];
+ for (var i = 0; i < sourceEls.length; i++) {
+ var sourceObj = getAttributes(sourceEls[i]);
+ sourceElSources.push(sourceObj);
- Plugin.registerPlugin = function registerPlugin(name, plugin) {
- if (typeof name !== 'string') {
- throw new Error('Illegal plugin name, "' + name + '", must be a string, was ' + (typeof name === 'undefined' ? 'undefined' : _typeof(name)) + '.');
- }
+ if (sourceObj.src && sourceObj.src === src) {
+ matchingSourceEls.push(sourceObj.src);
+ }
+ } // if we have matching source els but not matching sources
+ // the current source cache is not up to date
- if (pluginExists(name)) {
- log$1.warn('A plugin named "' + name + '" already exists. You may want to avoid re-registering plugins!');
- } else if (Player.prototype.hasOwnProperty(name)) {
- throw new Error('Illegal plugin name, "' + name + '", cannot share a name with an existing player method!');
- }
- if (typeof plugin !== 'function') {
- throw new Error('Illegal plugin for "' + name + '", must be a function, was ' + (typeof plugin === 'undefined' ? 'undefined' : _typeof(plugin)) + '.');
- }
+ if (matchingSourceEls.length && !matchingSources.length) {
+ this.cache_.sources = sourceElSources; // if we don't have matching source or source els set the
+ // sources cache to the `currentSource` cache
+ } else if (!matchingSources.length) {
+ this.cache_.sources = [this.cache_.source];
+ } // update the tech `src` cache
- pluginStorage[name] = plugin;
- // Add a player prototype method for all sub-classed plugins (but not for
- // the base Plugin class).
- if (name !== BASE_PLUGIN_NAME) {
- if (Plugin.isBasic(plugin)) {
- Player.prototype[name] = createBasicPlugin(name, plugin);
- } else {
- Player.prototype[name] = createPluginFactory(name, plugin);
- }
+ this.cache_.src = src;
}
+ /**
+ * *EXPERIMENTAL* Fired when the source is set or changed on the {@link Tech}
+ * causing the media element to reload.
+ *
+ * It will fire for the initial source and each subsequent source.
+ * This event is a custom event from Video.js and is triggered by the {@link Tech}.
+ *
+ * The event object for this event contains a `src` property that will contain the source
+ * that was available when the event was triggered. This is generally only necessary if Video.js
+ * is switching techs while the source was being changed.
+ *
+ * It is also fired when `load` is called on the player (or media element)
+ * because the {@link https://html.spec.whatwg.org/multipage/media.html#dom-media-load|specification for `load`}
+ * says that the resource selection algorithm needs to be aborted and restarted.
+ * In this case, it is very likely that the `src` property will be set to the
+ * empty string `""` to indicate we do not know what the source will be but
+ * that it is changing.
+ *
+ * *This event is currently still experimental and may change in minor releases.*
+ * __To use this, pass `enableSourceset` option to the player.__
+ *
+ * @event Player#sourceset
+ * @type {EventTarget~Event}
+ * @prop {string} src
+ * The source url available when the `sourceset` was triggered.
+ * It will be an empty string if we cannot know what the source is
+ * but know that the source will change.
+ */
- return plugin;
- };
-
- /**
- * De-register a Video.js plugin.
- *
- * @param {string} name
- * The name of the plugin to be deregistered.
- */
-
+ /**
+ * Retrigger the `sourceset` event that was triggered by the {@link Tech}.
+ *
+ * @fires Player#sourceset
+ * @listens Tech#sourceset
+ * @private
+ */
+ ;
- Plugin.deregisterPlugin = function deregisterPlugin(name) {
- if (name === BASE_PLUGIN_NAME) {
- throw new Error('Cannot de-register base plugin.');
- }
- if (pluginExists(name)) {
- delete pluginStorage[name];
- delete Player.prototype[name];
- }
- };
+ _proto.handleTechSourceset_ = function handleTechSourceset_(event) {
+ var _this6 = this;
- /**
- * Gets an object containing multiple Video.js plugins.
- *
- * @param {Array} [names]
- * If provided, should be an array of plugin names. Defaults to _all_
- * plugin names.
- *
- * @returns {Object|undefined}
- * An object containing plugin(s) associated with their name(s) or
- * `undefined` if no matching plugins exist).
- */
+ // only update the source cache when the source
+ // was not updated using the player api
+ if (!this.changingSrc_) {
+ var updateSourceCaches = function updateSourceCaches(src) {
+ return _this6.updateSourceCaches_(src);
+ };
+ var playerSrc = this.currentSource().src;
+ var eventSrc = event.src; // if we have a playerSrc that is not a blob, and a tech src that is a blob
- Plugin.getPlugins = function getPlugins() {
- var names = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : Object.keys(pluginStorage);
+ if (playerSrc && !/^blob:/.test(playerSrc) && /^blob:/.test(eventSrc)) {
+ // if both the tech source and the player source were updated we assume
+ // something like @videojs/http-streaming did the sourceset and skip updating the source cache.
+ if (!this.lastSource_ || this.lastSource_.tech !== eventSrc && this.lastSource_.player !== playerSrc) {
+ updateSourceCaches = function updateSourceCaches() {};
+ }
+ } // update the source to the intial source right away
+ // in some cases this will be empty string
- var result = void 0;
- names.forEach(function (name) {
- var plugin = getPlugin(name);
+ updateSourceCaches(eventSrc); // if the `sourceset` `src` was an empty string
+ // wait for a `loadstart` to update the cache to `currentSrc`.
+ // If a sourceset happens before a `loadstart`, we reset the state
- if (plugin) {
- result = result || {};
- result[name] = plugin;
- }
- });
+ if (!event.src) {
+ this.tech_.any(['sourceset', 'loadstart'], function (e) {
+ // if a sourceset happens before a `loadstart` there
+ // is nothing to do as this `handleTechSourceset_`
+ // will be called again and this will be handled there.
+ if (e.type === 'sourceset') {
+ return;
+ }
- return result;
- };
+ var techSrc = _this6.techGet('currentSrc');
- /**
- * Gets a plugin's version, if available
- *
- * @param {string} name
- * The name of a plugin.
- *
- * @returns {string}
- * The plugin's version or an empty string.
- */
+ _this6.lastSource_.tech = techSrc;
+ _this6.updateSourceCaches_(techSrc);
+ });
+ }
+ }
- Plugin.getPluginVersion = function getPluginVersion(name) {
- var plugin = getPlugin(name);
+ this.lastSource_ = {
+ player: this.currentSource().src,
+ tech: event.src
+ };
+ this.trigger({
+ src: event.src,
+ type: 'sourceset'
+ });
+ }
+ /**
+ * Add/remove the vjs-has-started class
+ *
+ * @fires Player#firstplay
+ *
+ * @param {boolean} request
+ * - true: adds the class
+ * - false: remove the class
+ *
+ * @return {boolean}
+ * the boolean value of hasStarted_
+ */
+ ;
- return plugin && plugin.VERSION || '';
- };
+ _proto.hasStarted = function hasStarted(request) {
+ if (request === undefined) {
+ // act as getter, if we have no request to change
+ return this.hasStarted_;
+ }
- return Plugin;
-}();
+ if (request === this.hasStarted_) {
+ return;
+ }
-/**
- * Gets a plugin by name if it exists.
- *
- * @static
- * @method getPlugin
- * @memberOf Plugin
- * @param {string} name
- * The name of a plugin.
- *
- * @returns {Function|undefined}
- * The plugin (or `undefined`).
- */
+ this.hasStarted_ = request;
+ if (this.hasStarted_) {
+ this.addClass('vjs-has-started');
+ this.trigger('firstplay');
+ } else {
+ this.removeClass('vjs-has-started');
+ }
+ }
+ /**
+ * Fired whenever the media begins or resumes playback
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-play}
+ * @fires Player#play
+ * @listens Tech#play
+ * @private
+ */
+ ;
-Plugin.getPlugin = getPlugin;
+ _proto.handleTechPlay_ = function handleTechPlay_() {
+ this.removeClass('vjs-ended');
+ this.removeClass('vjs-paused');
+ this.addClass('vjs-playing'); // hide the poster when the user hits play
-/**
- * The name of the base plugin class as it is registered.
- *
- * @type {string}
- */
-Plugin.BASE_PLUGIN_NAME = BASE_PLUGIN_NAME;
+ this.hasStarted(true);
+ /**
+ * Triggered whenever an {@link Tech#play} event happens. Indicates that
+ * playback has started or resumed.
+ *
+ * @event Player#play
+ * @type {EventTarget~Event}
+ */
-Plugin.registerPlugin(BASE_PLUGIN_NAME, Plugin);
+ this.trigger('play');
+ }
+ /**
+ * Retrigger the `ratechange` event that was triggered by the {@link Tech}.
+ *
+ * If there were any events queued while the playback rate was zero, fire
+ * those events now.
+ *
+ * @private
+ * @method Player#handleTechRateChange_
+ * @fires Player#ratechange
+ * @listens Tech#ratechange
+ */
+ ;
-/**
- * Documented in player.js
- *
- * @ignore
- */
-Player.prototype.usingPlugin = function (name) {
- return !!this[PLUGIN_CACHE_KEY] && this[PLUGIN_CACHE_KEY][name] === true;
-};
+ _proto.handleTechRateChange_ = function handleTechRateChange_() {
+ if (this.tech_.playbackRate() > 0 && this.cache_.lastPlaybackRate === 0) {
+ this.queuedCallbacks_.forEach(function (queued) {
+ return queued.callback(queued.event);
+ });
+ this.queuedCallbacks_ = [];
+ }
-/**
- * Documented in player.js
- *
- * @ignore
- */
-Player.prototype.hasPlugin = function (name) {
- return !!pluginExists(name);
-};
+ this.cache_.lastPlaybackRate = this.tech_.playbackRate();
+ /**
+ * Fires when the playing speed of the audio/video is changed
+ *
+ * @event Player#ratechange
+ * @type {event}
+ */
-/**
- * Signals that a plugin is about to be set up on a player.
- *
- * @event Player#beforepluginsetup
- * @type {Plugin~PluginEventHash}
- */
+ this.trigger('ratechange');
+ }
+ /**
+ * Retrigger the `waiting` event that was triggered by the {@link Tech}.
+ *
+ * @fires Player#waiting
+ * @listens Tech#waiting
+ * @private
+ */
+ ;
-/**
- * Signals that a plugin is about to be set up on a player - by name. The name
- * is the name of the plugin.
- *
- * @event Player#beforepluginsetup:$name
- * @type {Plugin~PluginEventHash}
- */
+ _proto.handleTechWaiting_ = function handleTechWaiting_() {
+ var _this7 = this;
-/**
- * Signals that a plugin has just been set up on a player.
- *
- * @event Player#pluginsetup
- * @type {Plugin~PluginEventHash}
- */
+ this.addClass('vjs-waiting');
+ /**
+ * A readyState change on the DOM element has caused playback to stop.
+ *
+ * @event Player#waiting
+ * @type {EventTarget~Event}
+ */
-/**
- * Signals that a plugin has just been set up on a player - by name. The name
- * is the name of the plugin.
- *
- * @event Player#pluginsetup:$name
- * @type {Plugin~PluginEventHash}
- */
+ this.trigger('waiting'); // Browsers may emit a timeupdate event after a waiting event. In order to prevent
+ // premature removal of the waiting class, wait for the time to change.
-/**
- * @typedef {Object} Plugin~PluginEventHash
- *
- * @property {string} instance
- * For basic plugins, the return value of the plugin function. For
- * advanced plugins, the plugin instance on which the event is fired.
- *
- * @property {string} name
- * The name of the plugin.
- *
- * @property {string} plugin
- * For basic plugins, the plugin function. For advanced plugins, the
- * plugin class/constructor.
- */
+ var timeWhenWaiting = this.currentTime();
-/**
- * @file extend.js
- * @module extend
- */
+ var timeUpdateListener = function timeUpdateListener() {
+ if (timeWhenWaiting !== _this7.currentTime()) {
+ _this7.removeClass('vjs-waiting');
-/**
- * A combination of node inherits and babel's inherits (after transpile).
- * Both work the same but node adds `super_` to the subClass
- * and Bable adds the superClass as __proto__. Both seem useful.
- *
- * @param {Object} subClass
- * The class to inherit to
- *
- * @param {Object} superClass
- * The class to inherit from
- *
- * @private
- */
-var _inherits = function _inherits(subClass, superClass) {
- if (typeof superClass !== 'function' && superClass !== null) {
- throw new TypeError('Super expression must either be null or a function, not ' + (typeof superClass === 'undefined' ? 'undefined' : _typeof(superClass)));
- }
+ _this7.off('timeupdate', timeUpdateListener);
+ }
+ };
- subClass.prototype = Object.create(superClass && superClass.prototype, {
- constructor: {
- value: subClass,
- enumerable: false,
- writable: true,
- configurable: true
+ this.on('timeupdate', timeUpdateListener);
}
- });
-
- if (superClass) {
- // node
- subClass.super_ = superClass;
- }
-};
+ /**
+ * Retrigger the `canplay` event that was triggered by the {@link Tech}.
+ * > Note: This is not consistent between browsers. See #1351
+ *
+ * @fires Player#canplay
+ * @listens Tech#canplay
+ * @private
+ */
+ ;
-/**
- * Function for subclassing using the same inheritance that
- * videojs uses internally
- *
- * @static
- * @const
- *
- * @param {Object} superClass
- * The class to inherit from
- *
- * @param {Object} [subClassMethods={}]
- * The class to inherit to
- *
- * @return {Object}
- * The new object with subClassMethods that inherited superClass.
- */
-var extendFn = function extendFn(superClass) {
- var subClassMethods = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ _proto.handleTechCanPlay_ = function handleTechCanPlay_() {
+ this.removeClass('vjs-waiting');
+ /**
+ * The media has a readyState of HAVE_FUTURE_DATA or greater.
+ *
+ * @event Player#canplay
+ * @type {EventTarget~Event}
+ */
- var subClass = function subClass() {
- superClass.apply(this, arguments);
- };
+ this.trigger('canplay');
+ }
+ /**
+ * Retrigger the `canplaythrough` event that was triggered by the {@link Tech}.
+ *
+ * @fires Player#canplaythrough
+ * @listens Tech#canplaythrough
+ * @private
+ */
+ ;
- var methods = {};
+ _proto.handleTechCanPlayThrough_ = function handleTechCanPlayThrough_() {
+ this.removeClass('vjs-waiting');
+ /**
+ * The media has a readyState of HAVE_ENOUGH_DATA or greater. This means that the
+ * entire media file can be played without buffering.
+ *
+ * @event Player#canplaythrough
+ * @type {EventTarget~Event}
+ */
- if ((typeof subClassMethods === 'undefined' ? 'undefined' : _typeof(subClassMethods)) === 'object') {
- if (subClassMethods.constructor !== Object.prototype.constructor) {
- subClass = subClassMethods.constructor;
+ this.trigger('canplaythrough');
}
- methods = subClassMethods;
- } else if (typeof subClassMethods === 'function') {
- subClass = subClassMethods;
- }
+ /**
+ * Retrigger the `playing` event that was triggered by the {@link Tech}.
+ *
+ * @fires Player#playing
+ * @listens Tech#playing
+ * @private
+ */
+ ;
- _inherits(subClass, superClass);
+ _proto.handleTechPlaying_ = function handleTechPlaying_() {
+ this.removeClass('vjs-waiting');
+ /**
+ * The media is no longer blocked from playback, and has started playing.
+ *
+ * @event Player#playing
+ * @type {EventTarget~Event}
+ */
- // Extend subObj's prototype with functions and other properties from props
- for (var name in methods) {
- if (methods.hasOwnProperty(name)) {
- subClass.prototype[name] = methods[name];
+ this.trigger('playing');
}
- }
-
- return subClass;
-};
+ /**
+ * Retrigger the `seeking` event that was triggered by the {@link Tech}.
+ *
+ * @fires Player#seeking
+ * @listens Tech#seeking
+ * @private
+ */
+ ;
-/**
- * @file video.js
- * @module videojs
- */
-// Include the built-in techs
-// HTML5 Element Shim for IE8
-if (typeof HTMLVideoElement === 'undefined' && isReal()) {
- document_1.createElement('video');
- document_1.createElement('audio');
- document_1.createElement('track');
- document_1.createElement('video-js');
-}
+ _proto.handleTechSeeking_ = function handleTechSeeking_() {
+ this.addClass('vjs-seeking');
+ /**
+ * Fired whenever the player is jumping to a new time
+ *
+ * @event Player#seeking
+ * @type {EventTarget~Event}
+ */
-/**
- * Normalize an `id` value by trimming off a leading `#`
- *
- * @param {string} id
- * A string, maybe with a leading `#`.
- *
- * @returns {string}
- * The string, without any leading `#`.
- */
-var normalizeId = function normalizeId(id) {
- return id.indexOf('#') === 0 ? id.slice(1) : id;
-};
+ this.trigger('seeking');
+ }
+ /**
+ * Retrigger the `seeked` event that was triggered by the {@link Tech}.
+ *
+ * @fires Player#seeked
+ * @listens Tech#seeked
+ * @private
+ */
+ ;
-/**
- * Doubles as the main function for users to create a player instance and also
- * the main library object.
- * The `videojs` function can be used to initialize or retrieve a player.
- *
- * @param {string|Element} id
- * Video element or video element ID
- *
- * @param {Object} [options]
- * Optional options object for config/settings
- *
- * @param {Component~ReadyCallback} [ready]
- * Optional ready callback
- *
- * @return {Player}
- * A player instance
- */
-function videojs(id, options, ready) {
- var player = videojs.getPlayer(id);
+ _proto.handleTechSeeked_ = function handleTechSeeked_() {
+ this.removeClass('vjs-seeking');
+ this.removeClass('vjs-ended');
+ /**
+ * Fired when the player has finished jumping to a new time
+ *
+ * @event Player#seeked
+ * @type {EventTarget~Event}
+ */
- if (player) {
- if (options) {
- log$1.warn('Player "' + id + '" is already initialised. Options will not be applied.');
+ this.trigger('seeked');
}
- if (ready) {
- player.ready(ready);
+ /**
+ * Retrigger the `firstplay` event that was triggered by the {@link Tech}.
+ *
+ * @fires Player#firstplay
+ * @listens Tech#firstplay
+ * @deprecated As of 6.0 firstplay event is deprecated.
+ * As of 6.0 passing the `starttime` option to the player and the firstplay event are deprecated.
+ * @private
+ */
+ ;
+
+ _proto.handleTechFirstPlay_ = function handleTechFirstPlay_() {
+ // If the first starttime attribute is specified
+ // then we will start at the given offset in seconds
+ if (this.options_.starttime) {
+ log.warn('Passing the `starttime` option to the player will be deprecated in 6.0');
+ this.currentTime(this.options_.starttime);
+ }
+
+ this.addClass('vjs-has-started');
+ /**
+ * Fired the first time a video is played. Not part of the HLS spec, and this is
+ * probably not the best implementation yet, so use sparingly. If you don't have a
+ * reason to prevent playback, use `myPlayer.one('play');` instead.
+ *
+ * @event Player#firstplay
+ * @deprecated As of 6.0 firstplay event is deprecated.
+ * @type {EventTarget~Event}
+ */
+
+ this.trigger('firstplay');
}
- return player;
- }
+ /**
+ * Retrigger the `pause` event that was triggered by the {@link Tech}.
+ *
+ * @fires Player#pause
+ * @listens Tech#pause
+ * @private
+ */
+ ;
- var el = typeof id === 'string' ? $('#' + normalizeId(id)) : id;
+ _proto.handleTechPause_ = function handleTechPause_() {
+ this.removeClass('vjs-playing');
+ this.addClass('vjs-paused');
+ /**
+ * Fired whenever the media has been paused
+ *
+ * @event Player#pause
+ * @type {EventTarget~Event}
+ */
- if (!isEl(el)) {
- throw new TypeError('The element or ID supplied is not valid. (videojs)');
- }
+ this.trigger('pause');
+ }
+ /**
+ * Retrigger the `ended` event that was triggered by the {@link Tech}.
+ *
+ * @fires Player#ended
+ * @listens Tech#ended
+ * @private
+ */
+ ;
- if (!document_1.body.contains(el)) {
- log$1.warn('The element supplied is not included in the DOM');
- }
+ _proto.handleTechEnded_ = function handleTechEnded_() {
+ this.addClass('vjs-ended');
- options = options || {};
+ if (this.options_.loop) {
+ this.currentTime(0);
+ this.play();
+ } else if (!this.paused()) {
+ this.pause();
+ }
+ /**
+ * Fired when the end of the media resource is reached (currentTime == duration)
+ *
+ * @event Player#ended
+ * @type {EventTarget~Event}
+ */
- videojs.hooks('beforesetup').forEach(function (hookFunction) {
- var opts = hookFunction(el, mergeOptions(options));
- if (!isObject(opts) || Array.isArray(opts)) {
- log$1.error('please return an object in beforesetup hooks');
- return;
+ this.trigger('ended');
}
+ /**
+ * Fired when the duration of the media resource is first known or changed
+ *
+ * @listens Tech#durationchange
+ * @private
+ */
+ ;
- options = mergeOptions(options, opts);
- });
+ _proto.handleTechDurationChange_ = function handleTechDurationChange_() {
+ this.duration(this.techGet_('duration'));
+ }
+ /**
+ * Handle a click on the media element to play/pause
+ *
+ * @param {EventTarget~Event} event
+ * the event that caused this function to trigger
+ *
+ * @listens Tech#mouseup
+ * @private
+ */
+ ;
- // We get the current "Player" component here in case an integration has
- // replaced it with a custom player.
- var PlayerComponent = Component.getComponent('Player');
+ _proto.handleTechClick_ = function handleTechClick_(event) {
+ if (!isSingleLeftClick(event)) {
+ return;
+ } // When controls are disabled a click should not toggle playback because
+ // the click is considered a control
- player = new PlayerComponent(el, options, ready);
- videojs.hooks('setup').forEach(function (hookFunction) {
- return hookFunction(player);
- });
+ if (!this.controls_) {
+ return;
+ }
- return player;
-}
+ if (this.paused()) {
+ silencePromise(this.play());
+ } else {
+ this.pause();
+ }
+ }
+ /**
+ * Handle a double-click on the media element to enter/exit fullscreen
+ *
+ * @param {EventTarget~Event} event
+ * the event that caused this function to trigger
+ *
+ * @listens Tech#dblclick
+ * @private
+ */
+ ;
-/**
- * An Object that contains lifecycle hooks as keys which point to an array
- * of functions that are run when a lifecycle is triggered
- */
-videojs.hooks_ = {};
+ _proto.handleTechDoubleClick_ = function handleTechDoubleClick_(event) {
+ if (!this.controls_) {
+ return;
+ } // we do not want to toggle fullscreen state
+ // when double-clicking inside a control bar or a modal
-/**
- * Get a list of hooks for a specific lifecycle
- * @function videojs.hooks
- *
- * @param {string} type
- * the lifecyle to get hooks from
- *
- * @param {Function|Function[]} [fn]
- * Optionally add a hook (or hooks) to the lifecycle that your are getting.
- *
- * @return {Array}
- * an array of hooks, or an empty array if there are none.
- */
-videojs.hooks = function (type, fn) {
- videojs.hooks_[type] = videojs.hooks_[type] || [];
- if (fn) {
- videojs.hooks_[type] = videojs.hooks_[type].concat(fn);
- }
- return videojs.hooks_[type];
-};
-/**
- * Add a function hook to a specific videojs lifecycle.
- *
- * @param {string} type
- * the lifecycle to hook the function to.
- *
- * @param {Function|Function[]}
- * The function or array of functions to attach.
- */
-videojs.hook = function (type, fn) {
- videojs.hooks(type, fn);
-};
+ var inAllowedEls = Array.prototype.some.call(this.$$('.vjs-control-bar, .vjs-modal-dialog'), function (el) {
+ return el.contains(event.target);
+ });
+
+ if (!inAllowedEls) {
+ /*
+ * options.userActions.doubleClick
+ *
+ * If `undefined` or `true`, double-click toggles fullscreen if controls are present
+ * Set to `false` to disable double-click handling
+ * Set to a function to substitute an external double-click handler
+ */
+ if (this.options_ === undefined || this.options_.userActions === undefined || this.options_.userActions.doubleClick === undefined || this.options_.userActions.doubleClick !== false) {
+ if (this.options_ !== undefined && this.options_.userActions !== undefined && typeof this.options_.userActions.doubleClick === 'function') {
+ this.options_.userActions.doubleClick.call(this, event);
+ } else if (this.isFullscreen()) {
+ this.exitFullscreen();
+ } else {
+ this.requestFullscreen();
+ }
+ }
+ }
+ }
+ /**
+ * Handle a tap on the media element. It will toggle the user
+ * activity state, which hides and shows the controls.
+ *
+ * @listens Tech#tap
+ * @private
+ */
+ ;
+
+ _proto.handleTechTap_ = function handleTechTap_() {
+ this.userActive(!this.userActive());
+ }
+ /**
+ * Handle touch to start
+ *
+ * @listens Tech#touchstart
+ * @private
+ */
+ ;
+
+ _proto.handleTechTouchStart_ = function handleTechTouchStart_() {
+ this.userWasActive = this.userActive();
+ }
+ /**
+ * Handle touch to move
+ *
+ * @listens Tech#touchmove
+ * @private
+ */
+ ;
+
+ _proto.handleTechTouchMove_ = function handleTechTouchMove_() {
+ if (this.userWasActive) {
+ this.reportUserActivity();
+ }
+ }
+ /**
+ * Handle touch to end
+ *
+ * @param {EventTarget~Event} event
+ * the touchend event that triggered
+ * this function
+ *
+ * @listens Tech#touchend
+ * @private
+ */
+ ;
+
+ _proto.handleTechTouchEnd_ = function handleTechTouchEnd_(event) {
+ // Stop the mouse events from also happening
+ event.preventDefault();
+ }
+ /**
+ * native click events on the SWF aren't triggered on IE11, Win8.1RT
+ * use stageclick events triggered from inside the SWF instead
+ *
+ * @private
+ * @listens stageclick
+ */
+ ;
+
+ _proto.handleStageClick_ = function handleStageClick_() {
+ this.reportUserActivity();
+ }
+ /**
+ * @private
+ */
+ ;
+
+ _proto.toggleFullscreenClass_ = function toggleFullscreenClass_() {
+ if (this.isFullscreen()) {
+ this.addClass('vjs-fullscreen');
+ } else {
+ this.removeClass('vjs-fullscreen');
+ }
+ }
+ /**
+ * when the document fschange event triggers it calls this
+ */
+ ;
+
+ _proto.documentFullscreenChange_ = function documentFullscreenChange_(e) {
+ var targetPlayer = e.target.player; // if another player was fullscreen
+ // do a null check for targetPlayer because older firefox's would put document as e.target
+
+ if (targetPlayer && targetPlayer !== this) {
+ return;
+ }
+
+ var el = this.el();
+ var isFs = document[this.fsApi_.fullscreenElement] === el;
+
+ if (!isFs && el.matches) {
+ isFs = el.matches(':' + this.fsApi_.fullscreen);
+ } else if (!isFs && el.msMatchesSelector) {
+ isFs = el.msMatchesSelector(':' + this.fsApi_.fullscreen);
+ }
+
+ this.isFullscreen(isFs);
+ }
+ /**
+ * Handle Tech Fullscreen Change
+ *
+ * @param {EventTarget~Event} event
+ * the fullscreenchange event that triggered this function
+ *
+ * @param {Object} data
+ * the data that was sent with the event
+ *
+ * @private
+ * @listens Tech#fullscreenchange
+ * @fires Player#fullscreenchange
+ */
+ ;
+
+ _proto.handleTechFullscreenChange_ = function handleTechFullscreenChange_(event, data) {
+ if (data) {
+ this.isFullscreen(data.isFullscreen);
+ }
+ };
+
+ _proto.handleTechFullscreenError_ = function handleTechFullscreenError_(event, err) {
+ this.trigger('fullscreenerror', err);
+ }
+ /**
+ * @private
+ */
+ ;
+
+ _proto.togglePictureInPictureClass_ = function togglePictureInPictureClass_() {
+ if (this.isInPictureInPicture()) {
+ this.addClass('vjs-picture-in-picture');
+ } else {
+ this.removeClass('vjs-picture-in-picture');
+ }
+ }
+ /**
+ * Handle Tech Enter Picture-in-Picture.
+ *
+ * @param {EventTarget~Event} event
+ * the enterpictureinpicture event that triggered this function
+ *
+ * @private
+ * @listens Tech#enterpictureinpicture
+ */
+ ;
+
+ _proto.handleTechEnterPictureInPicture_ = function handleTechEnterPictureInPicture_(event) {
+ this.isInPictureInPicture(true);
+ }
+ /**
+ * Handle Tech Leave Picture-in-Picture.
+ *
+ * @param {EventTarget~Event} event
+ * the leavepictureinpicture event that triggered this function
+ *
+ * @private
+ * @listens Tech#leavepictureinpicture
+ */
+ ;
+
+ _proto.handleTechLeavePictureInPicture_ = function handleTechLeavePictureInPicture_(event) {
+ this.isInPictureInPicture(false);
+ }
+ /**
+ * Fires when an error occurred during the loading of an audio/video.
+ *
+ * @private
+ * @listens Tech#error
+ */
+ ;
+
+ _proto.handleTechError_ = function handleTechError_() {
+ var error = this.tech_.error();
+ this.error(error);
+ }
+ /**
+ * Retrigger the `textdata` event that was triggered by the {@link Tech}.
+ *
+ * @fires Player#textdata
+ * @listens Tech#textdata
+ * @private
+ */
+ ;
+
+ _proto.handleTechTextData_ = function handleTechTextData_() {
+ var data = null;
+
+ if (arguments.length > 1) {
+ data = arguments[1];
+ }
+ /**
+ * Fires when we get a textdata event from tech
+ *
+ * @event Player#textdata
+ * @type {EventTarget~Event}
+ */
+
+
+ this.trigger('textdata', data);
+ }
+ /**
+ * Get object for cached values.
+ *
+ * @return {Object}
+ * get the current object cache
+ */
+ ;
+
+ _proto.getCache = function getCache() {
+ return this.cache_;
+ }
+ /**
+ * Resets the internal cache object.
+ *
+ * Using this function outside the player constructor or reset method may
+ * have unintended side-effects.
+ *
+ * @private
+ */
+ ;
+
+ _proto.resetCache_ = function resetCache_() {
+ this.cache_ = {
+ // Right now, the currentTime is not _really_ cached because it is always
+ // retrieved from the tech (see: currentTime). However, for completeness,
+ // we set it to zero here to ensure that if we do start actually caching
+ // it, we reset it along with everything else.
+ currentTime: 0,
+ initTime: 0,
+ inactivityTimeout: this.options_.inactivityTimeout,
+ duration: NaN,
+ lastVolume: 1,
+ lastPlaybackRate: this.defaultPlaybackRate(),
+ media: null,
+ src: '',
+ source: {},
+ sources: [],
+ volume: 1
+ };
+ }
+ /**
+ * Pass values to the playback tech
+ *
+ * @param {string} [method]
+ * the method to call
+ *
+ * @param {Object} arg
+ * the argument to pass
+ *
+ * @private
+ */
+ ;
+
+ _proto.techCall_ = function techCall_(method, arg) {
+ // If it's not ready yet, call method when it is
+ this.ready(function () {
+ if (method in allowedSetters) {
+ return set(this.middleware_, this.tech_, method, arg);
+ } else if (method in allowedMediators) {
+ return mediate(this.middleware_, this.tech_, method, arg);
+ }
+
+ try {
+ if (this.tech_) {
+ this.tech_[method](arg);
+ }
+ } catch (e) {
+ log(e);
+ throw e;
+ }
+ }, true);
+ }
+ /**
+ * Get calls can't wait for the tech, and sometimes don't need to.
+ *
+ * @param {string} method
+ * Tech method
+ *
+ * @return {Function|undefined}
+ * the method or undefined
+ *
+ * @private
+ */
+ ;
+
+ _proto.techGet_ = function techGet_(method) {
+ if (!this.tech_ || !this.tech_.isReady_) {
+ return;
+ }
+
+ if (method in allowedGetters) {
+ return get(this.middleware_, this.tech_, method);
+ } else if (method in allowedMediators) {
+ return mediate(this.middleware_, this.tech_, method);
+ } // Flash likes to die and reload when you hide or reposition it.
+ // In these cases the object methods go away and we get errors.
+ // When that happens we'll catch the errors and inform tech that it's not ready any more.
+
+
+ try {
+ return this.tech_[method]();
+ } catch (e) {
+ // When building additional tech libs, an expected method may not be defined yet
+ if (this.tech_[method] === undefined) {
+ log("Video.js: " + method + " method not defined for " + this.techName_ + " playback technology.", e);
+ throw e;
+ } // When a method isn't available on the object it throws a TypeError
+
+
+ if (e.name === 'TypeError') {
+ log("Video.js: " + method + " unavailable on " + this.techName_ + " playback technology element.", e);
+ this.tech_.isReady_ = false;
+ throw e;
+ } // If error unknown, just log and throw
+
+
+ log(e);
+ throw e;
+ }
+ }
+ /**
+ * Attempt to begin playback at the first opportunity.
+ *
+ * @return {Promise|undefined}
+ * Returns a promise if the browser supports Promises (or one
+ * was passed in as an option). This promise will be resolved on
+ * the return value of play. If this is undefined it will fulfill the
+ * promise chain otherwise the promise chain will be fulfilled when
+ * the promise from play is fulfilled.
+ */
+ ;
+
+ _proto.play = function play() {
+ var _this8 = this;
+
+ var PromiseClass = this.options_.Promise || window$3.Promise;
+
+ if (PromiseClass) {
+ return new PromiseClass(function (resolve) {
+ _this8.play_(resolve);
+ });
+ }
+
+ return this.play_();
+ }
+ /**
+ * The actual logic for play, takes a callback that will be resolved on the
+ * return value of play. This allows us to resolve to the play promise if there
+ * is one on modern browsers.
+ *
+ * @private
+ * @param {Function} [callback]
+ * The callback that should be called when the techs play is actually called
+ */
+ ;
+
+ _proto.play_ = function play_(callback) {
+ var _this9 = this;
+
+ if (callback === void 0) {
+ callback = silencePromise;
+ }
+
+ this.playCallbacks_.push(callback);
+ var isSrcReady = Boolean(!this.changingSrc_ && (this.src() || this.currentSrc())); // treat calls to play_ somewhat like the `one` event function
+
+ if (this.waitToPlay_) {
+ this.off(['ready', 'loadstart'], this.waitToPlay_);
+ this.waitToPlay_ = null;
+ } // if the player/tech is not ready or the src itself is not ready
+ // queue up a call to play on `ready` or `loadstart`
+
+
+ if (!this.isReady_ || !isSrcReady) {
+ this.waitToPlay_ = function (e) {
+ _this9.play_();
+ };
+
+ this.one(['ready', 'loadstart'], this.waitToPlay_); // if we are in Safari, there is a high chance that loadstart will trigger after the gesture timeperiod
+ // in that case, we need to prime the video element by calling load so it'll be ready in time
+
+ if (!isSrcReady && (IS_ANY_SAFARI || IS_IOS)) {
+ this.load();
+ }
+
+ return;
+ } // If the player/tech is ready and we have a source, we can attempt playback.
+
+
+ var val = this.techGet_('play'); // play was terminated if the returned value is null
+
+ if (val === null) {
+ this.runPlayTerminatedQueue_();
+ } else {
+ this.runPlayCallbacks_(val);
+ }
+ }
+ /**
+ * These functions will be run when if play is terminated. If play
+ * runPlayCallbacks_ is run these function will not be run. This allows us
+ * to differenciate between a terminated play and an actual call to play.
+ */
+ ;
+
+ _proto.runPlayTerminatedQueue_ = function runPlayTerminatedQueue_() {
+ var queue = this.playTerminatedQueue_.slice(0);
+ this.playTerminatedQueue_ = [];
+ queue.forEach(function (q) {
+ q();
+ });
+ }
+ /**
+ * When a callback to play is delayed we have to run these
+ * callbacks when play is actually called on the tech. This function
+ * runs the callbacks that were delayed and accepts the return value
+ * from the tech.
+ *
+ * @param {undefined|Promise} val
+ * The return value from the tech.
+ */
+ ;
+
+ _proto.runPlayCallbacks_ = function runPlayCallbacks_(val) {
+ var callbacks = this.playCallbacks_.slice(0);
+ this.playCallbacks_ = []; // clear play terminatedQueue since we finished a real play
+
+ this.playTerminatedQueue_ = [];
+ callbacks.forEach(function (cb) {
+ cb(val);
+ });
+ }
+ /**
+ * Pause the video playback
+ *
+ * @return {Player}
+ * A reference to the player object this function was called on
+ */
+ ;
+
+ _proto.pause = function pause() {
+ this.techCall_('pause');
+ }
+ /**
+ * Check if the player is paused or has yet to play
+ *
+ * @return {boolean}
+ * - false: if the media is currently playing
+ * - true: if media is not currently playing
+ */
+ ;
+
+ _proto.paused = function paused() {
+ // The initial state of paused should be true (in Safari it's actually false)
+ return this.techGet_('paused') === false ? false : true;
+ }
+ /**
+ * Get a TimeRange object representing the current ranges of time that the user
+ * has played.
+ *
+ * @return {TimeRange}
+ * A time range object that represents all the increments of time that have
+ * been played.
+ */
+ ;
+
+ _proto.played = function played() {
+ return this.techGet_('played') || createTimeRanges(0, 0);
+ }
+ /**
+ * Returns whether or not the user is "scrubbing". Scrubbing is
+ * when the user has clicked the progress bar handle and is
+ * dragging it along the progress bar.
+ *
+ * @param {boolean} [isScrubbing]
+ * whether the user is or is not scrubbing
+ *
+ * @return {boolean}
+ * The value of scrubbing when getting
+ */
+ ;
+
+ _proto.scrubbing = function scrubbing(isScrubbing) {
+ if (typeof isScrubbing === 'undefined') {
+ return this.scrubbing_;
+ }
+
+ this.scrubbing_ = !!isScrubbing;
+
+ if (isScrubbing) {
+ this.addClass('vjs-scrubbing');
+ } else {
+ this.removeClass('vjs-scrubbing');
+ }
+ }
+ /**
+ * Get or set the current time (in seconds)
+ *
+ * @param {number|string} [seconds]
+ * The time to seek to in seconds
+ *
+ * @return {number}
+ * - the current time in seconds when getting
+ */
+ ;
+
+ _proto.currentTime = function currentTime(seconds) {
+ if (typeof seconds !== 'undefined') {
+ if (seconds < 0) {
+ seconds = 0;
+ }
+
+ if (!this.isReady_ || this.changingSrc_ || !this.tech_ || !this.tech_.isReady_) {
+ this.cache_.initTime = seconds;
+ this.off('canplay', this.applyInitTime_);
+ this.one('canplay', this.applyInitTime_);
+ return;
+ }
+
+ this.techCall_('setCurrentTime', seconds);
+ this.cache_.initTime = 0;
+ return;
+ } // cache last currentTime and return. default to 0 seconds
+ //
+ // Caching the currentTime is meant to prevent a massive amount of reads on the tech's
+ // currentTime when scrubbing, but may not provide much performance benefit afterall.
+ // Should be tested. Also something has to read the actual current time or the cache will
+ // never get updated.
+
+
+ this.cache_.currentTime = this.techGet_('currentTime') || 0;
+ return this.cache_.currentTime;
+ }
+ /**
+ * Apply the value of initTime stored in cache as currentTime.
+ *
+ * @private
+ */
+ ;
+
+ _proto.applyInitTime_ = function applyInitTime_() {
+ this.currentTime(this.cache_.initTime);
+ }
+ /**
+ * Normally gets the length in time of the video in seconds;
+ * in all but the rarest use cases an argument will NOT be passed to the method
+ *
+ * > **NOTE**: The video must have started loading before the duration can be
+ * known, and in the case of Flash, may not be known until the video starts
+ * playing.
+ *
+ * @fires Player#durationchange
+ *
+ * @param {number} [seconds]
+ * The duration of the video to set in seconds
+ *
+ * @return {number}
+ * - The duration of the video in seconds when getting
+ */
+ ;
+
+ _proto.duration = function duration(seconds) {
+ if (seconds === undefined) {
+ // return NaN if the duration is not known
+ return this.cache_.duration !== undefined ? this.cache_.duration : NaN;
+ }
+
+ seconds = parseFloat(seconds); // Standardize on Infinity for signaling video is live
+
+ if (seconds < 0) {
+ seconds = Infinity;
+ }
+
+ if (seconds !== this.cache_.duration) {
+ // Cache the last set value for optimized scrubbing (esp. Flash)
+ this.cache_.duration = seconds;
+
+ if (seconds === Infinity) {
+ this.addClass('vjs-live');
+ } else {
+ this.removeClass('vjs-live');
+ }
+
+ if (!isNaN(seconds)) {
+ // Do not fire durationchange unless the duration value is known.
+ // @see [Spec]{@link https://www.w3.org/TR/2011/WD-html5-20110113/video.html#media-element-load-algorithm}
+
+ /**
+ * @event Player#durationchange
+ * @type {EventTarget~Event}
+ */
+ this.trigger('durationchange');
+ }
+ }
+ }
+ /**
+ * Calculates how much time is left in the video. Not part
+ * of the native video API.
+ *
+ * @return {number}
+ * The time remaining in seconds
+ */
+ ;
+
+ _proto.remainingTime = function remainingTime() {
+ return this.duration() - this.currentTime();
+ }
+ /**
+ * A remaining time function that is intented to be used when
+ * the time is to be displayed directly to the user.
+ *
+ * @return {number}
+ * The rounded time remaining in seconds
+ */
+ ;
+
+ _proto.remainingTimeDisplay = function remainingTimeDisplay() {
+ return Math.floor(this.duration()) - Math.floor(this.currentTime());
+ } //
+ // Kind of like an array of portions of the video that have been downloaded.
+
+ /**
+ * Get a TimeRange object with an array of the times of the video
+ * that have been downloaded. If you just want the percent of the
+ * video that's been downloaded, use bufferedPercent.
+ *
+ * @see [Buffered Spec]{@link http://dev.w3.org/html5/spec/video.html#dom-media-buffered}
+ *
+ * @return {TimeRange}
+ * A mock TimeRange object (following HTML spec)
+ */
+ ;
+
+ _proto.buffered = function buffered() {
+ var buffered = this.techGet_('buffered');
+
+ if (!buffered || !buffered.length) {
+ buffered = createTimeRanges(0, 0);
+ }
+
+ return buffered;
+ }
+ /**
+ * Get the percent (as a decimal) of the video that's been downloaded.
+ * This method is not a part of the native HTML video API.
+ *
+ * @return {number}
+ * A decimal between 0 and 1 representing the percent
+ * that is buffered 0 being 0% and 1 being 100%
+ */
+ ;
+
+ _proto.bufferedPercent = function bufferedPercent$1() {
+ return bufferedPercent(this.buffered(), this.duration());
+ }
+ /**
+ * Get the ending time of the last buffered time range
+ * This is used in the progress bar to encapsulate all time ranges.
+ *
+ * @return {number}
+ * The end of the last buffered time range
+ */
+ ;
+
+ _proto.bufferedEnd = function bufferedEnd() {
+ var buffered = this.buffered();
+ var duration = this.duration();
+ var end = buffered.end(buffered.length - 1);
+
+ if (end > duration) {
+ end = duration;
+ }
+
+ return end;
+ }
+ /**
+ * Get or set the current volume of the media
+ *
+ * @param {number} [percentAsDecimal]
+ * The new volume as a decimal percent:
+ * - 0 is muted/0%/off
+ * - 1.0 is 100%/full
+ * - 0.5 is half volume or 50%
+ *
+ * @return {number}
+ * The current volume as a percent when getting
+ */
+ ;
+
+ _proto.volume = function volume(percentAsDecimal) {
+ var vol;
+
+ if (percentAsDecimal !== undefined) {
+ // Force value to between 0 and 1
+ vol = Math.max(0, Math.min(1, parseFloat(percentAsDecimal)));
+ this.cache_.volume = vol;
+ this.techCall_('setVolume', vol);
+
+ if (vol > 0) {
+ this.lastVolume_(vol);
+ }
+
+ return;
+ } // Default to 1 when returning current volume.
+
+
+ vol = parseFloat(this.techGet_('volume'));
+ return isNaN(vol) ? 1 : vol;
+ }
+ /**
+ * Get the current muted state, or turn mute on or off
+ *
+ * @param {boolean} [muted]
+ * - true to mute
+ * - false to unmute
+ *
+ * @return {boolean}
+ * - true if mute is on and getting
+ * - false if mute is off and getting
+ */
+ ;
+
+ _proto.muted = function muted(_muted) {
+ if (_muted !== undefined) {
+ this.techCall_('setMuted', _muted);
+ return;
+ }
+
+ return this.techGet_('muted') || false;
+ }
+ /**
+ * Get the current defaultMuted state, or turn defaultMuted on or off. defaultMuted
+ * indicates the state of muted on initial playback.
+ *
+ * ```js
+ * var myPlayer = videojs('some-player-id');
+ *
+ * myPlayer.src("http://www.example.com/path/to/video.mp4");
+ *
+ * // get, should be false
+ * console.log(myPlayer.defaultMuted());
+ * // set to true
+ * myPlayer.defaultMuted(true);
+ * // get should be true
+ * console.log(myPlayer.defaultMuted());
+ * ```
+ *
+ * @param {boolean} [defaultMuted]
+ * - true to mute
+ * - false to unmute
+ *
+ * @return {boolean|Player}
+ * - true if defaultMuted is on and getting
+ * - false if defaultMuted is off and getting
+ * - A reference to the current player when setting
+ */
+ ;
+
+ _proto.defaultMuted = function defaultMuted(_defaultMuted) {
+ if (_defaultMuted !== undefined) {
+ return this.techCall_('setDefaultMuted', _defaultMuted);
+ }
+
+ return this.techGet_('defaultMuted') || false;
+ }
+ /**
+ * Get the last volume, or set it
+ *
+ * @param {number} [percentAsDecimal]
+ * The new last volume as a decimal percent:
+ * - 0 is muted/0%/off
+ * - 1.0 is 100%/full
+ * - 0.5 is half volume or 50%
+ *
+ * @return {number}
+ * the current value of lastVolume as a percent when getting
+ *
+ * @private
+ */
+ ;
+
+ _proto.lastVolume_ = function lastVolume_(percentAsDecimal) {
+ if (percentAsDecimal !== undefined && percentAsDecimal !== 0) {
+ this.cache_.lastVolume = percentAsDecimal;
+ return;
+ }
+
+ return this.cache_.lastVolume;
+ }
+ /**
+ * Check if current tech can support native fullscreen
+ * (e.g. with built in controls like iOS, so not our flash swf)
+ *
+ * @return {boolean}
+ * if native fullscreen is supported
+ */
+ ;
+
+ _proto.supportsFullScreen = function supportsFullScreen() {
+ return this.techGet_('supportsFullScreen') || false;
+ }
+ /**
+ * Check if the player is in fullscreen mode or tell the player that it
+ * is or is not in fullscreen mode.
+ *
+ * > NOTE: As of the latest HTML5 spec, isFullscreen is no longer an official
+ * property and instead document.fullscreenElement is used. But isFullscreen is
+ * still a valuable property for internal player workings.
+ *
+ * @param {boolean} [isFS]
+ * Set the players current fullscreen state
+ *
+ * @return {boolean}
+ * - true if fullscreen is on and getting
+ * - false if fullscreen is off and getting
+ */
+ ;
+
+ _proto.isFullscreen = function isFullscreen(isFS) {
+ if (isFS !== undefined) {
+ var oldValue = this.isFullscreen_;
+ this.isFullscreen_ = Boolean(isFS); // if we changed fullscreen state and we're in prefixed mode, trigger fullscreenchange
+ // this is the only place where we trigger fullscreenchange events for older browsers
+ // fullWindow mode is treated as a prefixed event and will get a fullscreenchange event as well
+
+ if (this.isFullscreen_ !== oldValue && this.fsApi_.prefixed) {
+ /**
+ * @event Player#fullscreenchange
+ * @type {EventTarget~Event}
+ */
+ this.trigger('fullscreenchange');
+ }
+
+ this.toggleFullscreenClass_();
+ return;
+ }
+
+ return this.isFullscreen_;
+ }
+ /**
+ * Increase the size of the video to full screen
+ * In some browsers, full screen is not supported natively, so it enters
+ * "full window mode", where the video fills the browser window.
+ * In browsers and devices that support native full screen, sometimes the
+ * browser's default controls will be shown, and not the Video.js custom skin.
+ * This includes most mobile devices (iOS, Android) and older versions of
+ * Safari.
+ *
+ * @param {Object} [fullscreenOptions]
+ * Override the player fullscreen options
+ *
+ * @fires Player#fullscreenchange
+ */
+ ;
+
+ _proto.requestFullscreen = function requestFullscreen(fullscreenOptions) {
+ var PromiseClass = this.options_.Promise || window$3.Promise;
+
+ if (PromiseClass) {
+ var self = this;
+ return new PromiseClass(function (resolve, reject) {
+ function offHandler() {
+ self.off(self.fsApi_.fullscreenerror, errorHandler);
+ self.off(self.fsApi_.fullscreenchange, changeHandler);
+ }
+
+ function changeHandler() {
+ offHandler();
+ resolve();
+ }
+
+ function errorHandler(e, err) {
+ offHandler();
+ reject(err);
+ }
+
+ self.one('fullscreenchange', changeHandler);
+ self.one('fullscreenerror', errorHandler);
+ var promise = self.requestFullscreenHelper_(fullscreenOptions);
+
+ if (promise) {
+ promise.then(offHandler, offHandler);
+ return promise;
+ }
+ });
+ }
+
+ return this.requestFullscreenHelper_();
+ };
+
+ _proto.requestFullscreenHelper_ = function requestFullscreenHelper_(fullscreenOptions) {
+ var _this10 = this;
+
+ var fsOptions; // Only pass fullscreen options to requestFullscreen in spec-compliant browsers.
+ // Use defaults or player configured option unless passed directly to this method.
+
+ if (!this.fsApi_.prefixed) {
+ fsOptions = this.options_.fullscreen && this.options_.fullscreen.options || {};
+
+ if (fullscreenOptions !== undefined) {
+ fsOptions = fullscreenOptions;
+ }
+ } // This method works as follows:
+ // 1. if a fullscreen api is available, use it
+ // 1. call requestFullscreen with potential options
+ // 2. if we got a promise from above, use it to update isFullscreen()
+ // 2. otherwise, if the tech supports fullscreen, call `enterFullScreen` on it.
+ // This is particularly used for iPhone, older iPads, and non-safari browser on iOS.
+ // 3. otherwise, use "fullWindow" mode
+
+
+ if (this.fsApi_.requestFullscreen) {
+ var promise = this.el_[this.fsApi_.requestFullscreen](fsOptions);
+
+ if (promise) {
+ promise.then(function () {
+ return _this10.isFullscreen(true);
+ }, function () {
+ return _this10.isFullscreen(false);
+ });
+ }
+
+ return promise;
+ } else if (this.tech_.supportsFullScreen()) {
+ // we can't take the video.js controls fullscreen but we can go fullscreen
+ // with native controls
+ this.techCall_('enterFullScreen');
+ } else {
+ // fullscreen isn't supported so we'll just stretch the video element to
+ // fill the viewport
+ this.enterFullWindow();
+ }
+ }
+ /**
+ * Return the video to its normal size after having been in full screen mode
+ *
+ * @fires Player#fullscreenchange
+ */
+ ;
+
+ _proto.exitFullscreen = function exitFullscreen() {
+ var PromiseClass = this.options_.Promise || window$3.Promise;
+
+ if (PromiseClass) {
+ var self = this;
+ return new PromiseClass(function (resolve, reject) {
+ function offHandler() {
+ self.off(self.fsApi_.fullscreenerror, errorHandler);
+ self.off(self.fsApi_.fullscreenchange, changeHandler);
+ }
+
+ function changeHandler() {
+ offHandler();
+ resolve();
+ }
+
+ function errorHandler(e, err) {
+ offHandler();
+ reject(err);
+ }
+
+ self.one('fullscreenchange', changeHandler);
+ self.one('fullscreenerror', errorHandler);
+ var promise = self.exitFullscreenHelper_();
+
+ if (promise) {
+ promise.then(offHandler, offHandler);
+ return promise;
+ }
+ });
+ }
+
+ return this.exitFullscreenHelper_();
+ };
+
+ _proto.exitFullscreenHelper_ = function exitFullscreenHelper_() {
+ var _this11 = this;
+
+ if (this.fsApi_.requestFullscreen) {
+ var promise = document[this.fsApi_.exitFullscreen]();
+
+ if (promise) {
+ promise.then(function () {
+ return _this11.isFullscreen(false);
+ });
+ }
+
+ return promise;
+ } else if (this.tech_.supportsFullScreen()) {
+ this.techCall_('exitFullScreen');
+ } else {
+ this.exitFullWindow();
+ }
+ }
+ /**
+ * When fullscreen isn't supported we can stretch the
+ * video container to as wide as the browser will let us.
+ *
+ * @fires Player#enterFullWindow
+ */
+ ;
+
+ _proto.enterFullWindow = function enterFullWindow() {
+ this.isFullscreen(true);
+ this.isFullWindow = true; // Storing original doc overflow value to return to when fullscreen is off
+
+ this.docOrigOverflow = document.documentElement.style.overflow; // Add listener for esc key to exit fullscreen
+
+ on(document, 'keydown', this.boundFullWindowOnEscKey_); // Hide any scroll bars
+
+ document.documentElement.style.overflow = 'hidden'; // Apply fullscreen styles
+
+ addClass(document.body, 'vjs-full-window');
+ /**
+ * @event Player#enterFullWindow
+ * @type {EventTarget~Event}
+ */
+
+ this.trigger('enterFullWindow');
+ }
+ /**
+ * Check for call to either exit full window or
+ * full screen on ESC key
+ *
+ * @param {string} event
+ * Event to check for key press
+ */
+ ;
+
+ _proto.fullWindowOnEscKey = function fullWindowOnEscKey(event) {
+ if (keycode.isEventKey(event, 'Esc')) {
+ if (this.isFullscreen() === true) {
+ this.exitFullscreen();
+ } else {
+ this.exitFullWindow();
+ }
+ }
+ }
+ /**
+ * Exit full window
+ *
+ * @fires Player#exitFullWindow
+ */
+ ;
+
+ _proto.exitFullWindow = function exitFullWindow() {
+ this.isFullscreen(false);
+ this.isFullWindow = false;
+ off(document, 'keydown', this.boundFullWindowOnEscKey_); // Unhide scroll bars.
+
+ document.documentElement.style.overflow = this.docOrigOverflow; // Remove fullscreen styles
+
+ removeClass(document.body, 'vjs-full-window'); // Resize the box, controller, and poster to original sizes
+ // this.positionAll();
+
+ /**
+ * @event Player#exitFullWindow
+ * @type {EventTarget~Event}
+ */
+
+ this.trigger('exitFullWindow');
+ }
+ /**
+ * Check if the player is in Picture-in-Picture mode or tell the player that it
+ * is or is not in Picture-in-Picture mode.
+ *
+ * @param {boolean} [isPiP]
+ * Set the players current Picture-in-Picture state
+ *
+ * @return {boolean}
+ * - true if Picture-in-Picture is on and getting
+ * - false if Picture-in-Picture is off and getting
+ */
+ ;
+
+ _proto.isInPictureInPicture = function isInPictureInPicture(isPiP) {
+ if (isPiP !== undefined) {
+ this.isInPictureInPicture_ = !!isPiP;
+ this.togglePictureInPictureClass_();
+ return;
+ }
+
+ return !!this.isInPictureInPicture_;
+ }
+ /**
+ * Create a floating video window always on top of other windows so that users may
+ * continue consuming media while they interact with other content sites, or
+ * applications on their device.
+ *
+ * @see [Spec]{@link https://wicg.github.io/picture-in-picture}
+ *
+ * @fires Player#enterpictureinpicture
+ *
+ * @return {Promise}
+ * A promise with a Picture-in-Picture window.
+ */
+ ;
+
+ _proto.requestPictureInPicture = function requestPictureInPicture() {
+ if ('pictureInPictureEnabled' in document) {
+ /**
+ * This event fires when the player enters picture in picture mode
+ *
+ * @event Player#enterpictureinpicture
+ * @type {EventTarget~Event}
+ */
+ return this.techGet_('requestPictureInPicture');
+ }
+ }
+ /**
+ * Exit Picture-in-Picture mode.
+ *
+ * @see [Spec]{@link https://wicg.github.io/picture-in-picture}
+ *
+ * @fires Player#leavepictureinpicture
+ *
+ * @return {Promise}
+ * A promise.
+ */
+ ;
+
+ _proto.exitPictureInPicture = function exitPictureInPicture() {
+ if ('pictureInPictureEnabled' in document) {
+ /**
+ * This event fires when the player leaves picture in picture mode
+ *
+ * @event Player#leavepictureinpicture
+ * @type {EventTarget~Event}
+ */
+ return document.exitPictureInPicture();
+ }
+ }
+ /**
+ * Called when this Player has focus and a key gets pressed down, or when
+ * any Component of this player receives a key press that it doesn't handle.
+ * This allows player-wide hotkeys (either as defined below, or optionally
+ * by an external function).
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown` event that caused this function to be called.
+ *
+ * @listens keydown
+ */
+ ;
+
+ _proto.handleKeyDown = function handleKeyDown(event) {
+ var userActions = this.options_.userActions; // Bail out if hotkeys are not configured.
+
+ if (!userActions || !userActions.hotkeys) {
+ return;
+ } // Function that determines whether or not to exclude an element from
+ // hotkeys handling.
+
+
+ var excludeElement = function excludeElement(el) {
+ var tagName = el.tagName.toLowerCase(); // The first and easiest test is for `contenteditable` elements.
+
+ if (el.isContentEditable) {
+ return true;
+ } // Inputs matching these types will still trigger hotkey handling as
+ // they are not text inputs.
+
+
+ var allowedInputTypes = ['button', 'checkbox', 'hidden', 'radio', 'reset', 'submit'];
+
+ if (tagName === 'input') {
+ return allowedInputTypes.indexOf(el.type) === -1;
+ } // The final test is by tag name. These tags will be excluded entirely.
+
+
+ var excludedTags = ['textarea'];
+ return excludedTags.indexOf(tagName) !== -1;
+ }; // Bail out if the user is focused on an interactive form element.
+
+
+ if (excludeElement(this.el_.ownerDocument.activeElement)) {
+ return;
+ }
+
+ if (typeof userActions.hotkeys === 'function') {
+ userActions.hotkeys.call(this, event);
+ } else {
+ this.handleHotkeys(event);
+ }
+ }
+ /**
+ * Called when this Player receives a hotkey keydown event.
+ * Supported player-wide hotkeys are:
+ *
+ * f - toggle fullscreen
+ * m - toggle mute
+ * k or Space - toggle play/pause
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown` event that caused this function to be called.
+ */
+ ;
+
+ _proto.handleHotkeys = function handleHotkeys(event) {
+ var hotkeys = this.options_.userActions ? this.options_.userActions.hotkeys : {}; // set fullscreenKey, muteKey, playPauseKey from `hotkeys`, use defaults if not set
+
+ var _hotkeys$fullscreenKe = hotkeys.fullscreenKey,
+ fullscreenKey = _hotkeys$fullscreenKe === void 0 ? function (keydownEvent) {
+ return keycode.isEventKey(keydownEvent, 'f');
+ } : _hotkeys$fullscreenKe,
+ _hotkeys$muteKey = hotkeys.muteKey,
+ muteKey = _hotkeys$muteKey === void 0 ? function (keydownEvent) {
+ return keycode.isEventKey(keydownEvent, 'm');
+ } : _hotkeys$muteKey,
+ _hotkeys$playPauseKey = hotkeys.playPauseKey,
+ playPauseKey = _hotkeys$playPauseKey === void 0 ? function (keydownEvent) {
+ return keycode.isEventKey(keydownEvent, 'k') || keycode.isEventKey(keydownEvent, 'Space');
+ } : _hotkeys$playPauseKey;
+
+ if (fullscreenKey.call(this, event)) {
+ event.preventDefault();
+ event.stopPropagation();
+ var FSToggle = Component.getComponent('FullscreenToggle');
+
+ if (document[this.fsApi_.fullscreenEnabled] !== false) {
+ FSToggle.prototype.handleClick.call(this, event);
+ }
+ } else if (muteKey.call(this, event)) {
+ event.preventDefault();
+ event.stopPropagation();
+ var MuteToggle = Component.getComponent('MuteToggle');
+ MuteToggle.prototype.handleClick.call(this, event);
+ } else if (playPauseKey.call(this, event)) {
+ event.preventDefault();
+ event.stopPropagation();
+ var PlayToggle = Component.getComponent('PlayToggle');
+ PlayToggle.prototype.handleClick.call(this, event);
+ }
+ }
+ /**
+ * Check whether the player can play a given mimetype
+ *
+ * @see https://www.w3.org/TR/2011/WD-html5-20110113/video.html#dom-navigator-canplaytype
+ *
+ * @param {string} type
+ * The mimetype to check
+ *
+ * @return {string}
+ * 'probably', 'maybe', or '' (empty string)
+ */
+ ;
+
+ _proto.canPlayType = function canPlayType(type) {
+ var can; // Loop through each playback technology in the options order
+
+ for (var i = 0, j = this.options_.techOrder; i < j.length; i++) {
+ var techName = j[i];
+ var tech = Tech.getTech(techName); // Support old behavior of techs being registered as components.
+ // Remove once that deprecated behavior is removed.
+
+ if (!tech) {
+ tech = Component.getComponent(techName);
+ } // Check if the current tech is defined before continuing
+
+
+ if (!tech) {
+ log.error("The \"" + techName + "\" tech is undefined. Skipped browser support check for that tech.");
+ continue;
+ } // Check if the browser supports this technology
+
+
+ if (tech.isSupported()) {
+ can = tech.canPlayType(type);
+
+ if (can) {
+ return can;
+ }
+ }
+ }
+
+ return '';
+ }
+ /**
+ * Select source based on tech-order or source-order
+ * Uses source-order selection if `options.sourceOrder` is truthy. Otherwise,
+ * defaults to tech-order selection
+ *
+ * @param {Array} sources
+ * The sources for a media asset
+ *
+ * @return {Object|boolean}
+ * Object of source and tech order or false
+ */
+ ;
+
+ _proto.selectSource = function selectSource(sources) {
+ var _this12 = this;
+
+ // Get only the techs specified in `techOrder` that exist and are supported by the
+ // current platform
+ var techs = this.options_.techOrder.map(function (techName) {
+ return [techName, Tech.getTech(techName)];
+ }).filter(function (_ref) {
+ var techName = _ref[0],
+ tech = _ref[1];
+
+ // Check if the current tech is defined before continuing
+ if (tech) {
+ // Check if the browser supports this technology
+ return tech.isSupported();
+ }
+
+ log.error("The \"" + techName + "\" tech is undefined. Skipped browser support check for that tech.");
+ return false;
+ }); // Iterate over each `innerArray` element once per `outerArray` element and execute
+ // `tester` with both. If `tester` returns a non-falsy value, exit early and return
+ // that value.
+
+ var findFirstPassingTechSourcePair = function findFirstPassingTechSourcePair(outerArray, innerArray, tester) {
+ var found;
+ outerArray.some(function (outerChoice) {
+ return innerArray.some(function (innerChoice) {
+ found = tester(outerChoice, innerChoice);
+
+ if (found) {
+ return true;
+ }
+ });
+ });
+ return found;
+ };
+
+ var foundSourceAndTech;
+
+ var flip = function flip(fn) {
+ return function (a, b) {
+ return fn(b, a);
+ };
+ };
+
+ var finder = function finder(_ref2, source) {
+ var techName = _ref2[0],
+ tech = _ref2[1];
+
+ if (tech.canPlaySource(source, _this12.options_[techName.toLowerCase()])) {
+ return {
+ source: source,
+ tech: techName
+ };
+ }
+ }; // Depending on the truthiness of `options.sourceOrder`, we swap the order of techs and sources
+ // to select from them based on their priority.
+
+
+ if (this.options_.sourceOrder) {
+ // Source-first ordering
+ foundSourceAndTech = findFirstPassingTechSourcePair(sources, techs, flip(finder));
+ } else {
+ // Tech-first ordering
+ foundSourceAndTech = findFirstPassingTechSourcePair(techs, sources, finder);
+ }
+
+ return foundSourceAndTech || false;
+ }
+ /**
+ * Get or set the video source.
+ *
+ * @param {Tech~SourceObject|Tech~SourceObject[]|string} [source]
+ * A SourceObject, an array of SourceObjects, or a string referencing
+ * a URL to a media source. It is _highly recommended_ that an object
+ * or array of objects is used here, so that source selection
+ * algorithms can take the `type` into account.
+ *
+ * If not provided, this method acts as a getter.
+ *
+ * @return {string|undefined}
+ * If the `source` argument is missing, returns the current source
+ * URL. Otherwise, returns nothing/undefined.
+ */
+ ;
+
+ _proto.src = function src(source) {
+ var _this13 = this;
+
+ // getter usage
+ if (typeof source === 'undefined') {
+ return this.cache_.src || '';
+ } // filter out invalid sources and turn our source into
+ // an array of source objects
+
+
+ var sources = filterSource(source); // if a source was passed in then it is invalid because
+ // it was filtered to a zero length Array. So we have to
+ // show an error
+
+ if (!sources.length) {
+ this.setTimeout(function () {
+ this.error({
+ code: 4,
+ message: this.localize(this.options_.notSupportedMessage)
+ });
+ }, 0);
+ return;
+ } // intial sources
+
+
+ this.changingSrc_ = true;
+ this.cache_.sources = sources;
+ this.updateSourceCaches_(sources[0]); // middlewareSource is the source after it has been changed by middleware
+
+ setSource(this, sources[0], function (middlewareSource, mws) {
+ _this13.middleware_ = mws; // since sourceSet is async we have to update the cache again after we select a source since
+ // the source that is selected could be out of order from the cache update above this callback.
+
+ _this13.cache_.sources = sources;
+
+ _this13.updateSourceCaches_(middlewareSource);
+
+ var err = _this13.src_(middlewareSource);
+
+ if (err) {
+ if (sources.length > 1) {
+ return _this13.src(sources.slice(1));
+ }
+
+ _this13.changingSrc_ = false; // We need to wrap this in a timeout to give folks a chance to add error event handlers
+
+ _this13.setTimeout(function () {
+ this.error({
+ code: 4,
+ message: this.localize(this.options_.notSupportedMessage)
+ });
+ }, 0); // we could not find an appropriate tech, but let's still notify the delegate that this is it
+ // this needs a better comment about why this is needed
+
+
+ _this13.triggerReady();
+
+ return;
+ }
+
+ setTech(mws, _this13.tech_);
+ });
+ }
+ /**
+ * Set the source object on the tech, returns a boolean that indicates whether
+ * there is a tech that can play the source or not
+ *
+ * @param {Tech~SourceObject} source
+ * The source object to set on the Tech
+ *
+ * @return {boolean}
+ * - True if there is no Tech to playback this source
+ * - False otherwise
+ *
+ * @private
+ */
+ ;
+
+ _proto.src_ = function src_(source) {
+ var _this14 = this;
+
+ var sourceTech = this.selectSource([source]);
+
+ if (!sourceTech) {
+ return true;
+ }
+
+ if (!titleCaseEquals(sourceTech.tech, this.techName_)) {
+ this.changingSrc_ = true; // load this technology with the chosen source
+
+ this.loadTech_(sourceTech.tech, sourceTech.source);
+ this.tech_.ready(function () {
+ _this14.changingSrc_ = false;
+ });
+ return false;
+ } // wait until the tech is ready to set the source
+ // and set it synchronously if possible (#2326)
+
+
+ this.ready(function () {
+ // The setSource tech method was added with source handlers
+ // so older techs won't support it
+ // We need to check the direct prototype for the case where subclasses
+ // of the tech do not support source handlers
+ if (this.tech_.constructor.prototype.hasOwnProperty('setSource')) {
+ this.techCall_('setSource', source);
+ } else {
+ this.techCall_('src', source.src);
+ }
+
+ this.changingSrc_ = false;
+ }, true);
+ return false;
+ }
+ /**
+ * Begin loading the src data.
+ */
+ ;
+
+ _proto.load = function load() {
+ this.techCall_('load');
+ }
+ /**
+ * Reset the player. Loads the first tech in the techOrder,
+ * removes all the text tracks in the existing `tech`,
+ * and calls `reset` on the `tech`.
+ */
+ ;
+
+ _proto.reset = function reset() {
+ var _this15 = this;
+
+ var PromiseClass = this.options_.Promise || window$3.Promise;
+
+ if (this.paused() || !PromiseClass) {
+ this.doReset_();
+ } else {
+ var playPromise = this.play();
+ silencePromise(playPromise.then(function () {
+ return _this15.doReset_();
+ }));
+ }
+ };
+
+ _proto.doReset_ = function doReset_() {
+ if (this.tech_) {
+ this.tech_.clearTracks('text');
+ }
+
+ this.resetCache_();
+ this.poster('');
+ this.loadTech_(this.options_.techOrder[0], null);
+ this.techCall_('reset');
+ this.resetControlBarUI_();
+
+ if (isEvented(this)) {
+ this.trigger('playerreset');
+ }
+ }
+ /**
+ * Reset Control Bar's UI by calling sub-methods that reset
+ * all of Control Bar's components
+ */
+ ;
+
+ _proto.resetControlBarUI_ = function resetControlBarUI_() {
+ this.resetProgressBar_();
+ this.resetPlaybackRate_();
+ this.resetVolumeBar_();
+ }
+ /**
+ * Reset tech's progress so progress bar is reset in the UI
+ */
+ ;
+
+ _proto.resetProgressBar_ = function resetProgressBar_() {
+ this.currentTime(0);
+ var _this$controlBar = this.controlBar,
+ durationDisplay = _this$controlBar.durationDisplay,
+ remainingTimeDisplay = _this$controlBar.remainingTimeDisplay;
+
+ if (durationDisplay) {
+ durationDisplay.updateContent();
+ }
+
+ if (remainingTimeDisplay) {
+ remainingTimeDisplay.updateContent();
+ }
+ }
+ /**
+ * Reset Playback ratio
+ */
+ ;
+
+ _proto.resetPlaybackRate_ = function resetPlaybackRate_() {
+ this.playbackRate(this.defaultPlaybackRate());
+ this.handleTechRateChange_();
+ }
+ /**
+ * Reset Volume bar
+ */
+ ;
+
+ _proto.resetVolumeBar_ = function resetVolumeBar_() {
+ this.volume(1.0);
+ this.trigger('volumechange');
+ }
+ /**
+ * Returns all of the current source objects.
+ *
+ * @return {Tech~SourceObject[]}
+ * The current source objects
+ */
+ ;
+
+ _proto.currentSources = function currentSources() {
+ var source = this.currentSource();
+ var sources = []; // assume `{}` or `{ src }`
+
+ if (Object.keys(source).length !== 0) {
+ sources.push(source);
+ }
+
+ return this.cache_.sources || sources;
+ }
+ /**
+ * Returns the current source object.
+ *
+ * @return {Tech~SourceObject}
+ * The current source object
+ */
+ ;
+
+ _proto.currentSource = function currentSource() {
+ return this.cache_.source || {};
+ }
+ /**
+ * Returns the fully qualified URL of the current source value e.g. http://mysite.com/video.mp4
+ * Can be used in conjunction with `currentType` to assist in rebuilding the current source object.
+ *
+ * @return {string}
+ * The current source
+ */
+ ;
+
+ _proto.currentSrc = function currentSrc() {
+ return this.currentSource() && this.currentSource().src || '';
+ }
+ /**
+ * Get the current source type e.g. video/mp4
+ * This can allow you rebuild the current source object so that you could load the same
+ * source and tech later
+ *
+ * @return {string}
+ * The source MIME type
+ */
+ ;
+
+ _proto.currentType = function currentType() {
+ return this.currentSource() && this.currentSource().type || '';
+ }
+ /**
+ * Get or set the preload attribute
+ *
+ * @param {boolean} [value]
+ * - true means that we should preload
+ * - false means that we should not preload
+ *
+ * @return {string}
+ * The preload attribute value when getting
+ */
+ ;
+
+ _proto.preload = function preload(value) {
+ if (value !== undefined) {
+ this.techCall_('setPreload', value);
+ this.options_.preload = value;
+ return;
+ }
+
+ return this.techGet_('preload');
+ }
+ /**
+ * Get or set the autoplay option. When this is a boolean it will
+ * modify the attribute on the tech. When this is a string the attribute on
+ * the tech will be removed and `Player` will handle autoplay on loadstarts.
+ *
+ * @param {boolean|string} [value]
+ * - true: autoplay using the browser behavior
+ * - false: do not autoplay
+ * - 'play': call play() on every loadstart
+ * - 'muted': call muted() then play() on every loadstart
+ * - 'any': call play() on every loadstart. if that fails call muted() then play().
+ * - *: values other than those listed here will be set `autoplay` to true
+ *
+ * @return {boolean|string}
+ * The current value of autoplay when getting
+ */
+ ;
+
+ _proto.autoplay = function autoplay(value) {
+ // getter usage
+ if (value === undefined) {
+ return this.options_.autoplay || false;
+ }
+
+ var techAutoplay; // if the value is a valid string set it to that
+
+ if (typeof value === 'string' && /(any|play|muted)/.test(value)) {
+ this.options_.autoplay = value;
+ this.manualAutoplay_(value);
+ techAutoplay = false; // any falsy value sets autoplay to false in the browser,
+ // lets do the same
+ } else if (!value) {
+ this.options_.autoplay = false; // any other value (ie truthy) sets autoplay to true
+ } else {
+ this.options_.autoplay = true;
+ }
+
+ techAutoplay = typeof techAutoplay === 'undefined' ? this.options_.autoplay : techAutoplay; // if we don't have a tech then we do not queue up
+ // a setAutoplay call on tech ready. We do this because the
+ // autoplay option will be passed in the constructor and we
+ // do not need to set it twice
+
+ if (this.tech_) {
+ this.techCall_('setAutoplay', techAutoplay);
+ }
+ }
+ /**
+ * Set or unset the playsinline attribute.
+ * Playsinline tells the browser that non-fullscreen playback is preferred.
+ *
+ * @param {boolean} [value]
+ * - true means that we should try to play inline by default
+ * - false means that we should use the browser's default playback mode,
+ * which in most cases is inline. iOS Safari is a notable exception
+ * and plays fullscreen by default.
+ *
+ * @return {string|Player}
+ * - the current value of playsinline
+ * - the player when setting
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}
+ */
+ ;
+
+ _proto.playsinline = function playsinline(value) {
+ if (value !== undefined) {
+ this.techCall_('setPlaysinline', value);
+ this.options_.playsinline = value;
+ return this;
+ }
+
+ return this.techGet_('playsinline');
+ }
+ /**
+ * Get or set the loop attribute on the video element.
+ *
+ * @param {boolean} [value]
+ * - true means that we should loop the video
+ * - false means that we should not loop the video
+ *
+ * @return {boolean}
+ * The current value of loop when getting
+ */
+ ;
+
+ _proto.loop = function loop(value) {
+ if (value !== undefined) {
+ this.techCall_('setLoop', value);
+ this.options_.loop = value;
+ return;
+ }
+
+ return this.techGet_('loop');
+ }
+ /**
+ * Get or set the poster image source url
+ *
+ * @fires Player#posterchange
+ *
+ * @param {string} [src]
+ * Poster image source URL
+ *
+ * @return {string}
+ * The current value of poster when getting
+ */
+ ;
+
+ _proto.poster = function poster(src) {
+ if (src === undefined) {
+ return this.poster_;
+ } // The correct way to remove a poster is to set as an empty string
+ // other falsey values will throw errors
+
+
+ if (!src) {
+ src = '';
+ }
+
+ if (src === this.poster_) {
+ return;
+ } // update the internal poster variable
+
+
+ this.poster_ = src; // update the tech's poster
+
+ this.techCall_('setPoster', src);
+ this.isPosterFromTech_ = false; // alert components that the poster has been set
+
+ /**
+ * This event fires when the poster image is changed on the player.
+ *
+ * @event Player#posterchange
+ * @type {EventTarget~Event}
+ */
+
+ this.trigger('posterchange');
+ }
+ /**
+ * Some techs (e.g. YouTube) can provide a poster source in an
+ * asynchronous way. We want the poster component to use this
+ * poster source so that it covers up the tech's controls.
+ * (YouTube's play button). However we only want to use this
+ * source if the player user hasn't set a poster through
+ * the normal APIs.
+ *
+ * @fires Player#posterchange
+ * @listens Tech#posterchange
+ * @private
+ */
+ ;
+
+ _proto.handleTechPosterChange_ = function handleTechPosterChange_() {
+ if ((!this.poster_ || this.options_.techCanOverridePoster) && this.tech_ && this.tech_.poster) {
+ var newPoster = this.tech_.poster() || '';
+
+ if (newPoster !== this.poster_) {
+ this.poster_ = newPoster;
+ this.isPosterFromTech_ = true; // Let components know the poster has changed
+
+ this.trigger('posterchange');
+ }
+ }
+ }
+ /**
+ * Get or set whether or not the controls are showing.
+ *
+ * @fires Player#controlsenabled
+ *
+ * @param {boolean} [bool]
+ * - true to turn controls on
+ * - false to turn controls off
+ *
+ * @return {boolean}
+ * The current value of controls when getting
+ */
+ ;
+
+ _proto.controls = function controls(bool) {
+ if (bool === undefined) {
+ return !!this.controls_;
+ }
+
+ bool = !!bool; // Don't trigger a change event unless it actually changed
+
+ if (this.controls_ === bool) {
+ return;
+ }
+
+ this.controls_ = bool;
+
+ if (this.usingNativeControls()) {
+ this.techCall_('setControls', bool);
+ }
+
+ if (this.controls_) {
+ this.removeClass('vjs-controls-disabled');
+ this.addClass('vjs-controls-enabled');
+ /**
+ * @event Player#controlsenabled
+ * @type {EventTarget~Event}
+ */
+
+ this.trigger('controlsenabled');
+
+ if (!this.usingNativeControls()) {
+ this.addTechControlsListeners_();
+ }
+ } else {
+ this.removeClass('vjs-controls-enabled');
+ this.addClass('vjs-controls-disabled');
+ /**
+ * @event Player#controlsdisabled
+ * @type {EventTarget~Event}
+ */
+
+ this.trigger('controlsdisabled');
+
+ if (!this.usingNativeControls()) {
+ this.removeTechControlsListeners_();
+ }
+ }
+ }
+ /**
+ * Toggle native controls on/off. Native controls are the controls built into
+ * devices (e.g. default iPhone controls), Flash, or other techs
+ * (e.g. Vimeo Controls)
+ * **This should only be set by the current tech, because only the tech knows
+ * if it can support native controls**
+ *
+ * @fires Player#usingnativecontrols
+ * @fires Player#usingcustomcontrols
+ *
+ * @param {boolean} [bool]
+ * - true to turn native controls on
+ * - false to turn native controls off
+ *
+ * @return {boolean}
+ * The current value of native controls when getting
+ */
+ ;
+
+ _proto.usingNativeControls = function usingNativeControls(bool) {
+ if (bool === undefined) {
+ return !!this.usingNativeControls_;
+ }
+
+ bool = !!bool; // Don't trigger a change event unless it actually changed
+
+ if (this.usingNativeControls_ === bool) {
+ return;
+ }
+
+ this.usingNativeControls_ = bool;
+
+ if (this.usingNativeControls_) {
+ this.addClass('vjs-using-native-controls');
+ /**
+ * player is using the native device controls
+ *
+ * @event Player#usingnativecontrols
+ * @type {EventTarget~Event}
+ */
+
+ this.trigger('usingnativecontrols');
+ } else {
+ this.removeClass('vjs-using-native-controls');
+ /**
+ * player is using the custom HTML controls
+ *
+ * @event Player#usingcustomcontrols
+ * @type {EventTarget~Event}
+ */
+
+ this.trigger('usingcustomcontrols');
+ }
+ }
+ /**
+ * Set or get the current MediaError
+ *
+ * @fires Player#error
+ *
+ * @param {MediaError|string|number} [err]
+ * A MediaError or a string/number to be turned
+ * into a MediaError
+ *
+ * @return {MediaError|null}
+ * The current MediaError when getting (or null)
+ */
+ ;
+
+ _proto.error = function error(err) {
+ if (err === undefined) {
+ return this.error_ || null;
+ } // Suppress the first error message for no compatible source until
+ // user interaction
+
+
+ if (this.options_.suppressNotSupportedError && err && err.code === 4) {
+ var triggerSuppressedError = function triggerSuppressedError() {
+ this.error(err);
+ };
+
+ this.options_.suppressNotSupportedError = false;
+ this.any(['click', 'touchstart'], triggerSuppressedError);
+ this.one('loadstart', function () {
+ this.off(['click', 'touchstart'], triggerSuppressedError);
+ });
+ return;
+ } // restoring to default
+
+
+ if (err === null) {
+ this.error_ = err;
+ this.removeClass('vjs-error');
+
+ if (this.errorDisplay) {
+ this.errorDisplay.close();
+ }
+
+ return;
+ }
+
+ this.error_ = new MediaError(err); // add the vjs-error classname to the player
+
+ this.addClass('vjs-error'); // log the name of the error type and any message
+ // IE11 logs "[object object]" and required you to expand message to see error object
+
+ log.error("(CODE:" + this.error_.code + " " + MediaError.errorTypes[this.error_.code] + ")", this.error_.message, this.error_);
+ /**
+ * @event Player#error
+ * @type {EventTarget~Event}
+ */
+
+ this.trigger('error');
+ return;
+ }
+ /**
+ * Report user activity
+ *
+ * @param {Object} event
+ * Event object
+ */
+ ;
+
+ _proto.reportUserActivity = function reportUserActivity(event) {
+ this.userActivity_ = true;
+ }
+ /**
+ * Get/set if user is active
+ *
+ * @fires Player#useractive
+ * @fires Player#userinactive
+ *
+ * @param {boolean} [bool]
+ * - true if the user is active
+ * - false if the user is inactive
+ *
+ * @return {boolean}
+ * The current value of userActive when getting
+ */
+ ;
+
+ _proto.userActive = function userActive(bool) {
+ if (bool === undefined) {
+ return this.userActive_;
+ }
+
+ bool = !!bool;
+
+ if (bool === this.userActive_) {
+ return;
+ }
+
+ this.userActive_ = bool;
+
+ if (this.userActive_) {
+ this.userActivity_ = true;
+ this.removeClass('vjs-user-inactive');
+ this.addClass('vjs-user-active');
+ /**
+ * @event Player#useractive
+ * @type {EventTarget~Event}
+ */
+
+ this.trigger('useractive');
+ return;
+ } // Chrome/Safari/IE have bugs where when you change the cursor it can
+ // trigger a mousemove event. This causes an issue when you're hiding
+ // the cursor when the user is inactive, and a mousemove signals user
+ // activity. Making it impossible to go into inactive mode. Specifically
+ // this happens in fullscreen when we really need to hide the cursor.
+ //
+ // When this gets resolved in ALL browsers it can be removed
+ // https://code.google.com/p/chromium/issues/detail?id=103041
+
+
+ if (this.tech_) {
+ this.tech_.one('mousemove', function (e) {
+ e.stopPropagation();
+ e.preventDefault();
+ });
+ }
+
+ this.userActivity_ = false;
+ this.removeClass('vjs-user-active');
+ this.addClass('vjs-user-inactive');
+ /**
+ * @event Player#userinactive
+ * @type {EventTarget~Event}
+ */
+
+ this.trigger('userinactive');
+ }
+ /**
+ * Listen for user activity based on timeout value
+ *
+ * @private
+ */
+ ;
+
+ _proto.listenForUserActivity_ = function listenForUserActivity_() {
+ var mouseInProgress;
+ var lastMoveX;
+ var lastMoveY;
+ var handleActivity = bind(this, this.reportUserActivity);
+
+ var handleMouseMove = function handleMouseMove(e) {
+ // #1068 - Prevent mousemove spamming
+ // Chrome Bug: https://code.google.com/p/chromium/issues/detail?id=366970
+ if (e.screenX !== lastMoveX || e.screenY !== lastMoveY) {
+ lastMoveX = e.screenX;
+ lastMoveY = e.screenY;
+ handleActivity();
+ }
+ };
+
+ var handleMouseDown = function handleMouseDown() {
+ handleActivity(); // For as long as the they are touching the device or have their mouse down,
+ // we consider them active even if they're not moving their finger or mouse.
+ // So we want to continue to update that they are active
+
+ this.clearInterval(mouseInProgress); // Setting userActivity=true now and setting the interval to the same time
+ // as the activityCheck interval (250) should ensure we never miss the
+ // next activityCheck
+
+ mouseInProgress = this.setInterval(handleActivity, 250);
+ };
+
+ var handleMouseUpAndMouseLeave = function handleMouseUpAndMouseLeave(event) {
+ handleActivity(); // Stop the interval that maintains activity if the mouse/touch is down
+
+ this.clearInterval(mouseInProgress);
+ }; // Any mouse movement will be considered user activity
+
+
+ this.on('mousedown', handleMouseDown);
+ this.on('mousemove', handleMouseMove);
+ this.on('mouseup', handleMouseUpAndMouseLeave);
+ this.on('mouseleave', handleMouseUpAndMouseLeave);
+ var controlBar = this.getChild('controlBar'); // Fixes bug on Android & iOS where when tapping progressBar (when control bar is displayed)
+ // controlBar would no longer be hidden by default timeout.
+
+ if (controlBar && !IS_IOS && !IS_ANDROID) {
+ controlBar.on('mouseenter', function (event) {
+ this.player().cache_.inactivityTimeout = this.player().options_.inactivityTimeout;
+ this.player().options_.inactivityTimeout = 0;
+ });
+ controlBar.on('mouseleave', function (event) {
+ this.player().options_.inactivityTimeout = this.player().cache_.inactivityTimeout;
+ });
+ } // Listen for keyboard navigation
+ // Shouldn't need to use inProgress interval because of key repeat
+
+
+ this.on('keydown', handleActivity);
+ this.on('keyup', handleActivity); // Run an interval every 250 milliseconds instead of stuffing everything into
+ // the mousemove/touchmove function itself, to prevent performance degradation.
+ // `this.reportUserActivity` simply sets this.userActivity_ to true, which
+ // then gets picked up by this loop
+ // http://ejohn.org/blog/learning-from-twitter/
+
+ var inactivityTimeout;
+ this.setInterval(function () {
+ // Check to see if mouse/touch activity has happened
+ if (!this.userActivity_) {
+ return;
+ } // Reset the activity tracker
+
+
+ this.userActivity_ = false; // If the user state was inactive, set the state to active
+
+ this.userActive(true); // Clear any existing inactivity timeout to start the timer over
+
+ this.clearTimeout(inactivityTimeout);
+ var timeout = this.options_.inactivityTimeout;
+
+ if (timeout <= 0) {
+ return;
+ } // In <timeout> milliseconds, if no more activity has occurred the
+ // user will be considered inactive
+
+
+ inactivityTimeout = this.setTimeout(function () {
+ // Protect against the case where the inactivityTimeout can trigger just
+ // before the next user activity is picked up by the activity check loop
+ // causing a flicker
+ if (!this.userActivity_) {
+ this.userActive(false);
+ }
+ }, timeout);
+ }, 250);
+ }
+ /**
+ * Gets or sets the current playback rate. A playback rate of
+ * 1.0 represents normal speed and 0.5 would indicate half-speed
+ * playback, for instance.
+ *
+ * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-playbackrate
+ *
+ * @param {number} [rate]
+ * New playback rate to set.
+ *
+ * @return {number}
+ * The current playback rate when getting or 1.0
+ */
+ ;
+
+ _proto.playbackRate = function playbackRate(rate) {
+ if (rate !== undefined) {
+ // NOTE: this.cache_.lastPlaybackRate is set from the tech handler
+ // that is registered above
+ this.techCall_('setPlaybackRate', rate);
+ return;
+ }
+
+ if (this.tech_ && this.tech_.featuresPlaybackRate) {
+ return this.cache_.lastPlaybackRate || this.techGet_('playbackRate');
+ }
+
+ return 1.0;
+ }
+ /**
+ * Gets or sets the current default playback rate. A default playback rate of
+ * 1.0 represents normal speed and 0.5 would indicate half-speed playback, for instance.
+ * defaultPlaybackRate will only represent what the initial playbackRate of a video was, not
+ * not the current playbackRate.
+ *
+ * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-defaultplaybackrate
+ *
+ * @param {number} [rate]
+ * New default playback rate to set.
+ *
+ * @return {number|Player}
+ * - The default playback rate when getting or 1.0
+ * - the player when setting
+ */
+ ;
+
+ _proto.defaultPlaybackRate = function defaultPlaybackRate(rate) {
+ if (rate !== undefined) {
+ return this.techCall_('setDefaultPlaybackRate', rate);
+ }
+
+ if (this.tech_ && this.tech_.featuresPlaybackRate) {
+ return this.techGet_('defaultPlaybackRate');
+ }
+
+ return 1.0;
+ }
+ /**
+ * Gets or sets the audio flag
+ *
+ * @param {boolean} bool
+ * - true signals that this is an audio player
+ * - false signals that this is not an audio player
+ *
+ * @return {boolean}
+ * The current value of isAudio when getting
+ */
+ ;
+
+ _proto.isAudio = function isAudio(bool) {
+ if (bool !== undefined) {
+ this.isAudio_ = !!bool;
+ return;
+ }
+
+ return !!this.isAudio_;
+ }
+ /**
+ * A helper method for adding a {@link TextTrack} to our
+ * {@link TextTrackList}.
+ *
+ * In addition to the W3C settings we allow adding additional info through options.
+ *
+ * @see http://www.w3.org/html/wg/drafts/html/master/embedded-content-0.html#dom-media-addtexttrack
+ *
+ * @param {string} [kind]
+ * the kind of TextTrack you are adding
+ *
+ * @param {string} [label]
+ * the label to give the TextTrack label
+ *
+ * @param {string} [language]
+ * the language to set on the TextTrack
+ *
+ * @return {TextTrack|undefined}
+ * the TextTrack that was added or undefined
+ * if there is no tech
+ */
+ ;
+
+ _proto.addTextTrack = function addTextTrack(kind, label, language) {
+ if (this.tech_) {
+ return this.tech_.addTextTrack(kind, label, language);
+ }
+ }
+ /**
+ * Create a remote {@link TextTrack} and an {@link HTMLTrackElement}.
+ * When manualCleanup is set to false, the track will be automatically removed
+ * on source changes.
+ *
+ * @param {Object} options
+ * Options to pass to {@link HTMLTrackElement} during creation. See
+ * {@link HTMLTrackElement} for object properties that you should use.
+ *
+ * @param {boolean} [manualCleanup=true] if set to false, the TextTrack will be
+ * removed on a source change
+ *
+ * @return {HtmlTrackElement}
+ * the HTMLTrackElement that was created and added
+ * to the HtmlTrackElementList and the remote
+ * TextTrackList
+ *
+ * @deprecated The default value of the "manualCleanup" parameter will default
+ * to "false" in upcoming versions of Video.js
+ */
+ ;
+
+ _proto.addRemoteTextTrack = function addRemoteTextTrack(options, manualCleanup) {
+ if (this.tech_) {
+ return this.tech_.addRemoteTextTrack(options, manualCleanup);
+ }
+ }
+ /**
+ * Remove a remote {@link TextTrack} from the respective
+ * {@link TextTrackList} and {@link HtmlTrackElementList}.
+ *
+ * @param {Object} track
+ * Remote {@link TextTrack} to remove
+ *
+ * @return {undefined}
+ * does not return anything
+ */
+ ;
+
+ _proto.removeRemoteTextTrack = function removeRemoteTextTrack(obj) {
+ if (obj === void 0) {
+ obj = {};
+ }
+
+ var _obj = obj,
+ track = _obj.track;
+
+ if (!track) {
+ track = obj;
+ } // destructure the input into an object with a track argument, defaulting to arguments[0]
+ // default the whole argument to an empty object if nothing was passed in
+
+
+ if (this.tech_) {
+ return this.tech_.removeRemoteTextTrack(track);
+ }
+ }
+ /**
+ * Gets available media playback quality metrics as specified by the W3C's Media
+ * Playback Quality API.
+ *
+ * @see [Spec]{@link https://wicg.github.io/media-playback-quality}
+ *
+ * @return {Object|undefined}
+ * An object with supported media playback quality metrics or undefined if there
+ * is no tech or the tech does not support it.
+ */
+ ;
+
+ _proto.getVideoPlaybackQuality = function getVideoPlaybackQuality() {
+ return this.techGet_('getVideoPlaybackQuality');
+ }
+ /**
+ * Get video width
+ *
+ * @return {number}
+ * current video width
+ */
+ ;
+
+ _proto.videoWidth = function videoWidth() {
+ return this.tech_ && this.tech_.videoWidth && this.tech_.videoWidth() || 0;
+ }
+ /**
+ * Get video height
+ *
+ * @return {number}
+ * current video height
+ */
+ ;
+
+ _proto.videoHeight = function videoHeight() {
+ return this.tech_ && this.tech_.videoHeight && this.tech_.videoHeight() || 0;
+ }
+ /**
+ * The player's language code
+ * NOTE: The language should be set in the player options if you want the
+ * the controls to be built with a specific language. Changing the language
+ * later will not update controls text.
+ *
+ * @param {string} [code]
+ * the language code to set the player to
+ *
+ * @return {string}
+ * The current language code when getting
+ */
+ ;
+
+ _proto.language = function language(code) {
+ if (code === undefined) {
+ return this.language_;
+ }
+
+ this.language_ = String(code).toLowerCase();
+ }
+ /**
+ * Get the player's language dictionary
+ * Merge every time, because a newly added plugin might call videojs.addLanguage() at any time
+ * Languages specified directly in the player options have precedence
+ *
+ * @return {Array}
+ * An array of of supported languages
+ */
+ ;
+
+ _proto.languages = function languages() {
+ return mergeOptions(Player.prototype.options_.languages, this.languages_);
+ }
+ /**
+ * returns a JavaScript object reperesenting the current track
+ * information. **DOES not return it as JSON**
+ *
+ * @return {Object}
+ * Object representing the current of track info
+ */
+ ;
+
+ _proto.toJSON = function toJSON() {
+ var options = mergeOptions(this.options_);
+ var tracks = options.tracks;
+ options.tracks = [];
+
+ for (var i = 0; i < tracks.length; i++) {
+ var track = tracks[i]; // deep merge tracks and null out player so no circular references
+
+ track = mergeOptions(track);
+ track.player = undefined;
+ options.tracks[i] = track;
+ }
+
+ return options;
+ }
+ /**
+ * Creates a simple modal dialog (an instance of the {@link ModalDialog}
+ * component) that immediately overlays the player with arbitrary
+ * content and removes itself when closed.
+ *
+ * @param {string|Function|Element|Array|null} content
+ * Same as {@link ModalDialog#content}'s param of the same name.
+ * The most straight-forward usage is to provide a string or DOM
+ * element.
+ *
+ * @param {Object} [options]
+ * Extra options which will be passed on to the {@link ModalDialog}.
+ *
+ * @return {ModalDialog}
+ * the {@link ModalDialog} that was created
+ */
+ ;
+
+ _proto.createModal = function createModal(content, options) {
+ var _this16 = this;
+
+ options = options || {};
+ options.content = content || '';
+ var modal = new ModalDialog(this, options);
+ this.addChild(modal);
+ modal.on('dispose', function () {
+ _this16.removeChild(modal);
+ });
+ modal.open();
+ return modal;
+ }
+ /**
+ * Change breakpoint classes when the player resizes.
+ *
+ * @private
+ */
+ ;
+
+ _proto.updateCurrentBreakpoint_ = function updateCurrentBreakpoint_() {
+ if (!this.responsive()) {
+ return;
+ }
+
+ var currentBreakpoint = this.currentBreakpoint();
+ var currentWidth = this.currentWidth();
+
+ for (var i = 0; i < BREAKPOINT_ORDER.length; i++) {
+ var candidateBreakpoint = BREAKPOINT_ORDER[i];
+ var maxWidth = this.breakpoints_[candidateBreakpoint];
+
+ if (currentWidth <= maxWidth) {
+ // The current breakpoint did not change, nothing to do.
+ if (currentBreakpoint === candidateBreakpoint) {
+ return;
+ } // Only remove a class if there is a current breakpoint.
+
+
+ if (currentBreakpoint) {
+ this.removeClass(BREAKPOINT_CLASSES[currentBreakpoint]);
+ }
+
+ this.addClass(BREAKPOINT_CLASSES[candidateBreakpoint]);
+ this.breakpoint_ = candidateBreakpoint;
+ break;
+ }
+ }
+ }
+ /**
+ * Removes the current breakpoint.
+ *
+ * @private
+ */
+ ;
+
+ _proto.removeCurrentBreakpoint_ = function removeCurrentBreakpoint_() {
+ var className = this.currentBreakpointClass();
+ this.breakpoint_ = '';
+
+ if (className) {
+ this.removeClass(className);
+ }
+ }
+ /**
+ * Get or set breakpoints on the player.
+ *
+ * Calling this method with an object or `true` will remove any previous
+ * custom breakpoints and start from the defaults again.
+ *
+ * @param {Object|boolean} [breakpoints]
+ * If an object is given, it can be used to provide custom
+ * breakpoints. If `true` is given, will set default breakpoints.
+ * If this argument is not given, will simply return the current
+ * breakpoints.
+ *
+ * @param {number} [breakpoints.tiny]
+ * The maximum width for the "vjs-layout-tiny" class.
+ *
+ * @param {number} [breakpoints.xsmall]
+ * The maximum width for the "vjs-layout-x-small" class.
+ *
+ * @param {number} [breakpoints.small]
+ * The maximum width for the "vjs-layout-small" class.
+ *
+ * @param {number} [breakpoints.medium]
+ * The maximum width for the "vjs-layout-medium" class.
+ *
+ * @param {number} [breakpoints.large]
+ * The maximum width for the "vjs-layout-large" class.
+ *
+ * @param {number} [breakpoints.xlarge]
+ * The maximum width for the "vjs-layout-x-large" class.
+ *
+ * @param {number} [breakpoints.huge]
+ * The maximum width for the "vjs-layout-huge" class.
+ *
+ * @return {Object}
+ * An object mapping breakpoint names to maximum width values.
+ */
+ ;
+
+ _proto.breakpoints = function breakpoints(_breakpoints) {
+ // Used as a getter.
+ if (_breakpoints === undefined) {
+ return assign(this.breakpoints_);
+ }
+
+ this.breakpoint_ = '';
+ this.breakpoints_ = assign({}, DEFAULT_BREAKPOINTS, _breakpoints); // When breakpoint definitions change, we need to update the currently
+ // selected breakpoint.
+
+ this.updateCurrentBreakpoint_(); // Clone the breakpoints before returning.
+
+ return assign(this.breakpoints_);
+ }
+ /**
+ * Get or set a flag indicating whether or not this player should adjust
+ * its UI based on its dimensions.
+ *
+ * @param {boolean} value
+ * Should be `true` if the player should adjust its UI based on its
+ * dimensions; otherwise, should be `false`.
+ *
+ * @return {boolean}
+ * Will be `true` if this player should adjust its UI based on its
+ * dimensions; otherwise, will be `false`.
+ */
+ ;
+
+ _proto.responsive = function responsive(value) {
+ // Used as a getter.
+ if (value === undefined) {
+ return this.responsive_;
+ }
+
+ value = Boolean(value);
+ var current = this.responsive_; // Nothing changed.
+
+ if (value === current) {
+ return;
+ } // The value actually changed, set it.
+
+
+ this.responsive_ = value; // Start listening for breakpoints and set the initial breakpoint if the
+ // player is now responsive.
+
+ if (value) {
+ this.on('playerresize', this.updateCurrentBreakpoint_);
+ this.updateCurrentBreakpoint_(); // Stop listening for breakpoints if the player is no longer responsive.
+ } else {
+ this.off('playerresize', this.updateCurrentBreakpoint_);
+ this.removeCurrentBreakpoint_();
+ }
+
+ return value;
+ }
+ /**
+ * Get current breakpoint name, if any.
+ *
+ * @return {string}
+ * If there is currently a breakpoint set, returns a the key from the
+ * breakpoints object matching it. Otherwise, returns an empty string.
+ */
+ ;
+
+ _proto.currentBreakpoint = function currentBreakpoint() {
+ return this.breakpoint_;
+ }
+ /**
+ * Get the current breakpoint class name.
+ *
+ * @return {string}
+ * The matching class name (e.g. `"vjs-layout-tiny"` or
+ * `"vjs-layout-large"`) for the current breakpoint. Empty string if
+ * there is no current breakpoint.
+ */
+ ;
+
+ _proto.currentBreakpointClass = function currentBreakpointClass() {
+ return BREAKPOINT_CLASSES[this.breakpoint_] || '';
+ }
+ /**
+ * An object that describes a single piece of media.
+ *
+ * Properties that are not part of this type description will be retained; so,
+ * this can be viewed as a generic metadata storage mechanism as well.
+ *
+ * @see {@link https://wicg.github.io/mediasession/#the-mediametadata-interface}
+ * @typedef {Object} Player~MediaObject
+ *
+ * @property {string} [album]
+ * Unused, except if this object is passed to the `MediaSession`
+ * API.
+ *
+ * @property {string} [artist]
+ * Unused, except if this object is passed to the `MediaSession`
+ * API.
+ *
+ * @property {Object[]} [artwork]
+ * Unused, except if this object is passed to the `MediaSession`
+ * API. If not specified, will be populated via the `poster`, if
+ * available.
+ *
+ * @property {string} [poster]
+ * URL to an image that will display before playback.
+ *
+ * @property {Tech~SourceObject|Tech~SourceObject[]|string} [src]
+ * A single source object, an array of source objects, or a string
+ * referencing a URL to a media source. It is _highly recommended_
+ * that an object or array of objects is used here, so that source
+ * selection algorithms can take the `type` into account.
+ *
+ * @property {string} [title]
+ * Unused, except if this object is passed to the `MediaSession`
+ * API.
+ *
+ * @property {Object[]} [textTracks]
+ * An array of objects to be used to create text tracks, following
+ * the {@link https://www.w3.org/TR/html50/embedded-content-0.html#the-track-element|native track element format}.
+ * For ease of removal, these will be created as "remote" text
+ * tracks and set to automatically clean up on source changes.
+ *
+ * These objects may have properties like `src`, `kind`, `label`,
+ * and `language`, see {@link Tech#createRemoteTextTrack}.
+ */
+
+ /**
+ * Populate the player using a {@link Player~MediaObject|MediaObject}.
+ *
+ * @param {Player~MediaObject} media
+ * A media object.
+ *
+ * @param {Function} ready
+ * A callback to be called when the player is ready.
+ */
+ ;
+
+ _proto.loadMedia = function loadMedia(media, ready) {
+ var _this17 = this;
+
+ if (!media || typeof media !== 'object') {
+ return;
+ }
+
+ this.reset(); // Clone the media object so it cannot be mutated from outside.
+
+ this.cache_.media = mergeOptions(media);
+ var _this$cache_$media = this.cache_.media,
+ artwork = _this$cache_$media.artwork,
+ poster = _this$cache_$media.poster,
+ src = _this$cache_$media.src,
+ textTracks = _this$cache_$media.textTracks; // If `artwork` is not given, create it using `poster`.
+
+ if (!artwork && poster) {
+ this.cache_.media.artwork = [{
+ src: poster,
+ type: getMimetype(poster)
+ }];
+ }
+
+ if (src) {
+ this.src(src);
+ }
+
+ if (poster) {
+ this.poster(poster);
+ }
+
+ if (Array.isArray(textTracks)) {
+ textTracks.forEach(function (tt) {
+ return _this17.addRemoteTextTrack(tt, false);
+ });
+ }
+
+ this.ready(ready);
+ }
+ /**
+ * Get a clone of the current {@link Player~MediaObject} for this player.
+ *
+ * If the `loadMedia` method has not been used, will attempt to return a
+ * {@link Player~MediaObject} based on the current state of the player.
+ *
+ * @return {Player~MediaObject}
+ */
+ ;
+
+ _proto.getMedia = function getMedia() {
+ if (!this.cache_.media) {
+ var poster = this.poster();
+ var src = this.currentSources();
+ var textTracks = Array.prototype.map.call(this.remoteTextTracks(), function (tt) {
+ return {
+ kind: tt.kind,
+ label: tt.label,
+ language: tt.language,
+ src: tt.src
+ };
+ });
+ var media = {
+ src: src,
+ textTracks: textTracks
+ };
+
+ if (poster) {
+ media.poster = poster;
+ media.artwork = [{
+ src: media.poster,
+ type: getMimetype(media.poster)
+ }];
+ }
+
+ return media;
+ }
+
+ return mergeOptions(this.cache_.media);
+ }
+ /**
+ * Gets tag settings
+ *
+ * @param {Element} tag
+ * The player tag
+ *
+ * @return {Object}
+ * An object containing all of the settings
+ * for a player tag
+ */
+ ;
+
+ Player.getTagSettings = function getTagSettings(tag) {
+ var baseOptions = {
+ sources: [],
+ tracks: []
+ };
+ var tagOptions = getAttributes(tag);
+ var dataSetup = tagOptions['data-setup'];
+
+ if (hasClass(tag, 'vjs-fill')) {
+ tagOptions.fill = true;
+ }
+
+ if (hasClass(tag, 'vjs-fluid')) {
+ tagOptions.fluid = true;
+ } // Check if data-setup attr exists.
+
+
+ if (dataSetup !== null) {
+ // Parse options JSON
+ // If empty string, make it a parsable json object.
+ var _safeParseTuple = tuple(dataSetup || '{}'),
+ err = _safeParseTuple[0],
+ data = _safeParseTuple[1];
+
+ if (err) {
+ log.error(err);
+ }
+
+ assign(tagOptions, data);
+ }
+
+ assign(baseOptions, tagOptions); // Get tag children settings
+
+ if (tag.hasChildNodes()) {
+ var children = tag.childNodes;
+
+ for (var i = 0, j = children.length; i < j; i++) {
+ var child = children[i]; // Change case needed: http://ejohn.org/blog/nodename-case-sensitivity/
+
+ var childName = child.nodeName.toLowerCase();
+
+ if (childName === 'source') {
+ baseOptions.sources.push(getAttributes(child));
+ } else if (childName === 'track') {
+ baseOptions.tracks.push(getAttributes(child));
+ }
+ }
+ }
+
+ return baseOptions;
+ }
+ /**
+ * Determine whether or not flexbox is supported
+ *
+ * @return {boolean}
+ * - true if flexbox is supported
+ * - false if flexbox is not supported
+ */
+ ;
+
+ _proto.flexNotSupported_ = function flexNotSupported_() {
+ var elem = document.createElement('i'); // Note: We don't actually use flexBasis (or flexOrder), but it's one of the more
+ // common flex features that we can rely on when checking for flex support.
+
+ return !('flexBasis' in elem.style || 'webkitFlexBasis' in elem.style || 'mozFlexBasis' in elem.style || 'msFlexBasis' in elem.style || // IE10-specific (2012 flex spec), available for completeness
+ 'msFlexOrder' in elem.style);
+ };
+
+ return Player;
+ }(Component);
+ /**
+ * Get the {@link VideoTrackList}
+ * @link https://html.spec.whatwg.org/multipage/embedded-content.html#videotracklist
+ *
+ * @return {VideoTrackList}
+ * the current video track list
+ *
+ * @method Player.prototype.videoTracks
+ */
+
+ /**
+ * Get the {@link AudioTrackList}
+ * @link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotracklist
+ *
+ * @return {AudioTrackList}
+ * the current audio track list
+ *
+ * @method Player.prototype.audioTracks
+ */
+
+ /**
+ * Get the {@link TextTrackList}
+ *
+ * @link http://www.w3.org/html/wg/drafts/html/master/embedded-content-0.html#dom-media-texttracks
+ *
+ * @return {TextTrackList}
+ * the current text track list
+ *
+ * @method Player.prototype.textTracks
+ */
+
+ /**
+ * Get the remote {@link TextTrackList}
+ *
+ * @return {TextTrackList}
+ * The current remote text track list
+ *
+ * @method Player.prototype.remoteTextTracks
+ */
+
+ /**
+ * Get the remote {@link HtmlTrackElementList} tracks.
+ *
+ * @return {HtmlTrackElementList}
+ * The current remote text track element list
+ *
+ * @method Player.prototype.remoteTextTrackEls
+ */
+
+
+ ALL.names.forEach(function (name) {
+ var props = ALL[name];
+
+ Player.prototype[props.getterName] = function () {
+ if (this.tech_) {
+ return this.tech_[props.getterName]();
+ } // if we have not yet loadTech_, we create {video,audio,text}Tracks_
+ // these will be passed to the tech during loading
+
+
+ this[props.privateName] = this[props.privateName] || new props.ListClass();
+ return this[props.privateName];
+ };
+ });
+ /**
+ * Get or set the `Player`'s crossorigin option. For the HTML5 player, this
+ * sets the `crossOrigin` property on the `<video>` tag to control the CORS
+ * behavior.
+ *
+ * @see [Video Element Attributes]{@link https://developer.mozilla.org/en-US/docs/Web/HTML/Element/video#attr-crossorigin}
+ *
+ * @param {string} [value]
+ * The value to set the `Player`'s crossorigin to. If an argument is
+ * given, must be one of `anonymous` or `use-credentials`.
+ *
+ * @return {string|undefined}
+ * - The current crossorigin value of the `Player` when getting.
+ * - undefined when setting
+ */
+
+ Player.prototype.crossorigin = Player.prototype.crossOrigin;
+ /**
+ * Global enumeration of players.
+ *
+ * The keys are the player IDs and the values are either the {@link Player}
+ * instance or `null` for disposed players.
+ *
+ * @type {Object}
+ */
+
+ Player.players = {};
+ var navigator = window$3.navigator;
+ /*
+ * Player instance options, surfaced using options
+ * options = Player.prototype.options_
+ * Make changes in options, not here.
+ *
+ * @type {Object}
+ * @private
+ */
+
+ Player.prototype.options_ = {
+ // Default order of fallback technology
+ techOrder: Tech.defaultTechOrder_,
+ html5: {},
+ flash: {},
+ // default inactivity timeout
+ inactivityTimeout: 2000,
+ // default playback rates
+ playbackRates: [],
+ // Add playback rate selection by adding rates
+ // 'playbackRates': [0.5, 1, 1.5, 2],
+ liveui: false,
+ // Included control sets
+ children: ['mediaLoader', 'posterImage', 'textTrackDisplay', 'loadingSpinner', 'bigPlayButton', 'liveTracker', 'controlBar', 'errorDisplay', 'textTrackSettings', 'resizeManager'],
+ language: navigator && (navigator.languages && navigator.languages[0] || navigator.userLanguage || navigator.language) || 'en',
+ // locales and their language translations
+ languages: {},
+ // Default message to show when a video cannot be played.
+ notSupportedMessage: 'No compatible source was found for this media.',
+ fullscreen: {
+ options: {
+ navigationUI: 'hide'
+ }
+ },
+ breakpoints: {},
+ responsive: false
+ };
+ [
+ /**
+ * Returns whether or not the player is in the "ended" state.
+ *
+ * @return {Boolean} True if the player is in the ended state, false if not.
+ * @method Player#ended
+ */
+ 'ended',
+ /**
+ * Returns whether or not the player is in the "seeking" state.
+ *
+ * @return {Boolean} True if the player is in the seeking state, false if not.
+ * @method Player#seeking
+ */
+ 'seeking',
+ /**
+ * Returns the TimeRanges of the media that are currently available
+ * for seeking to.
+ *
+ * @return {TimeRanges} the seekable intervals of the media timeline
+ * @method Player#seekable
+ */
+ 'seekable',
+ /**
+ * Returns the current state of network activity for the element, from
+ * the codes in the list below.
+ * - NETWORK_EMPTY (numeric value 0)
+ * The element has not yet been initialised. All attributes are in
+ * their initial states.
+ * - NETWORK_IDLE (numeric value 1)
+ * The element's resource selection algorithm is active and has
+ * selected a resource, but it is not actually using the network at
+ * this time.
+ * - NETWORK_LOADING (numeric value 2)
+ * The user agent is actively trying to download data.
+ * - NETWORK_NO_SOURCE (numeric value 3)
+ * The element's resource selection algorithm is active, but it has
+ * not yet found a resource to use.
+ *
+ * @see https://html.spec.whatwg.org/multipage/embedded-content.html#network-states
+ * @return {number} the current network activity state
+ * @method Player#networkState
+ */
+ 'networkState',
+ /**
+ * Returns a value that expresses the current state of the element
+ * with respect to rendering the current playback position, from the
+ * codes in the list below.
+ * - HAVE_NOTHING (numeric value 0)
+ * No information regarding the media resource is available.
+ * - HAVE_METADATA (numeric value 1)
+ * Enough of the resource has been obtained that the duration of the
+ * resource is available.
+ * - HAVE_CURRENT_DATA (numeric value 2)
+ * Data for the immediate current playback position is available.
+ * - HAVE_FUTURE_DATA (numeric value 3)
+ * Data for the immediate current playback position is available, as
+ * well as enough data for the user agent to advance the current
+ * playback position in the direction of playback.
+ * - HAVE_ENOUGH_DATA (numeric value 4)
+ * The user agent estimates that enough data is available for
+ * playback to proceed uninterrupted.
+ *
+ * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-readystate
+ * @return {number} the current playback rendering state
+ * @method Player#readyState
+ */
+ 'readyState'].forEach(function (fn) {
+ Player.prototype[fn] = function () {
+ return this.techGet_(fn);
+ };
+ });
+ TECH_EVENTS_RETRIGGER.forEach(function (event) {
+ Player.prototype["handleTech" + toTitleCase(event) + "_"] = function () {
+ return this.trigger(event);
+ };
+ });
+ /**
+ * Fired when the player has initial duration and dimension information
+ *
+ * @event Player#loadedmetadata
+ * @type {EventTarget~Event}
+ */
+
+ /**
+ * Fired when the player has downloaded data at the current playback position
+ *
+ * @event Player#loadeddata
+ * @type {EventTarget~Event}
+ */
+
+ /**
+ * Fired when the current playback position has changed *
+ * During playback this is fired every 15-250 milliseconds, depending on the
+ * playback technology in use.
+ *
+ * @event Player#timeupdate
+ * @type {EventTarget~Event}
+ */
+
+ /**
+ * Fired when the volume changes
+ *
+ * @event Player#volumechange
+ * @type {EventTarget~Event}
+ */
+
+ /**
+ * Reports whether or not a player has a plugin available.
+ *
+ * This does not report whether or not the plugin has ever been initialized
+ * on this player. For that, [usingPlugin]{@link Player#usingPlugin}.
+ *
+ * @method Player#hasPlugin
+ * @param {string} name
+ * The name of a plugin.
+ *
+ * @return {boolean}
+ * Whether or not this player has the requested plugin available.
+ */
+
+ /**
+ * Reports whether or not a player is using a plugin by name.
+ *
+ * For basic plugins, this only reports whether the plugin has _ever_ been
+ * initialized on this player.
+ *
+ * @method Player#usingPlugin
+ * @param {string} name
+ * The name of a plugin.
+ *
+ * @return {boolean}
+ * Whether or not this player is using the requested plugin.
+ */
+
+ Component.registerComponent('Player', Player);
+
+ var setPrototypeOf = createCommonjsModule(function (module) {
+ function _setPrototypeOf(o, p) {
+ module.exports = _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
+ o.__proto__ = p;
+ return o;
+ };
+
+ return _setPrototypeOf(o, p);
+ }
+
+ module.exports = _setPrototypeOf;
+ });
+
+ function _isNativeReflectConstruct() {
+ if (typeof Reflect === "undefined" || !Reflect.construct) return false;
+ if (Reflect.construct.sham) return false;
+ if (typeof Proxy === "function") return true;
+
+ try {
+ Date.prototype.toString.call(Reflect.construct(Date, [], function () {}));
+ return true;
+ } catch (e) {
+ return false;
+ }
+ }
+
+ var isNativeReflectConstruct = _isNativeReflectConstruct;
+
+ var construct = createCommonjsModule(function (module) {
+ function _construct(Parent, args, Class) {
+ if (isNativeReflectConstruct()) {
+ module.exports = _construct = Reflect.construct;
+ } else {
+ module.exports = _construct = function _construct(Parent, args, Class) {
+ var a = [null];
+ a.push.apply(a, args);
+ var Constructor = Function.bind.apply(Parent, a);
+ var instance = new Constructor();
+ if (Class) setPrototypeOf(instance, Class.prototype);
+ return instance;
+ };
+ }
+
+ return _construct.apply(null, arguments);
+ }
+
+ module.exports = _construct;
+ });
+
+ /**
+ * The base plugin name.
+ *
+ * @private
+ * @constant
+ * @type {string}
+ */
+
+ var BASE_PLUGIN_NAME = 'plugin';
+ /**
+ * The key on which a player's active plugins cache is stored.
+ *
+ * @private
+ * @constant
+ * @type {string}
+ */
+
+ var PLUGIN_CACHE_KEY = 'activePlugins_';
+ /**
+ * Stores registered plugins in a private space.
+ *
+ * @private
+ * @type {Object}
+ */
+
+ var pluginStorage = {};
+ /**
+ * Reports whether or not a plugin has been registered.
+ *
+ * @private
+ * @param {string} name
+ * The name of a plugin.
+ *
+ * @return {boolean}
+ * Whether or not the plugin has been registered.
+ */
+
+ var pluginExists = function pluginExists(name) {
+ return pluginStorage.hasOwnProperty(name);
+ };
+ /**
+ * Get a single registered plugin by name.
+ *
+ * @private
+ * @param {string} name
+ * The name of a plugin.
+ *
+ * @return {Function|undefined}
+ * The plugin (or undefined).
+ */
+
+
+ var getPlugin = function getPlugin(name) {
+ return pluginExists(name) ? pluginStorage[name] : undefined;
+ };
+ /**
+ * Marks a plugin as "active" on a player.
+ *
+ * Also, ensures that the player has an object for tracking active plugins.
+ *
+ * @private
+ * @param {Player} player
+ * A Video.js player instance.
+ *
+ * @param {string} name
+ * The name of a plugin.
+ */
+
+
+ var markPluginAsActive = function markPluginAsActive(player, name) {
+ player[PLUGIN_CACHE_KEY] = player[PLUGIN_CACHE_KEY] || {};
+ player[PLUGIN_CACHE_KEY][name] = true;
+ };
+ /**
+ * Triggers a pair of plugin setup events.
+ *
+ * @private
+ * @param {Player} player
+ * A Video.js player instance.
+ *
+ * @param {Plugin~PluginEventHash} hash
+ * A plugin event hash.
+ *
+ * @param {boolean} [before]
+ * If true, prefixes the event name with "before". In other words,
+ * use this to trigger "beforepluginsetup" instead of "pluginsetup".
+ */
+
+
+ var triggerSetupEvent = function triggerSetupEvent(player, hash, before) {
+ var eventName = (before ? 'before' : '') + 'pluginsetup';
+ player.trigger(eventName, hash);
+ player.trigger(eventName + ':' + hash.name, hash);
+ };
+ /**
+ * Takes a basic plugin function and returns a wrapper function which marks
+ * on the player that the plugin has been activated.
+ *
+ * @private
+ * @param {string} name
+ * The name of the plugin.
+ *
+ * @param {Function} plugin
+ * The basic plugin.
+ *
+ * @return {Function}
+ * A wrapper function for the given plugin.
+ */
+
+
+ var createBasicPlugin = function createBasicPlugin(name, plugin) {
+ var basicPluginWrapper = function basicPluginWrapper() {
+ // We trigger the "beforepluginsetup" and "pluginsetup" events on the player
+ // regardless, but we want the hash to be consistent with the hash provided
+ // for advanced plugins.
+ //
+ // The only potentially counter-intuitive thing here is the `instance` in
+ // the "pluginsetup" event is the value returned by the `plugin` function.
+ triggerSetupEvent(this, {
+ name: name,
+ plugin: plugin,
+ instance: null
+ }, true);
+ var instance = plugin.apply(this, arguments);
+ markPluginAsActive(this, name);
+ triggerSetupEvent(this, {
+ name: name,
+ plugin: plugin,
+ instance: instance
+ });
+ return instance;
+ };
+
+ Object.keys(plugin).forEach(function (prop) {
+ basicPluginWrapper[prop] = plugin[prop];
+ });
+ return basicPluginWrapper;
+ };
+ /**
+ * Takes a plugin sub-class and returns a factory function for generating
+ * instances of it.
+ *
+ * This factory function will replace itself with an instance of the requested
+ * sub-class of Plugin.
+ *
+ * @private
+ * @param {string} name
+ * The name of the plugin.
+ *
+ * @param {Plugin} PluginSubClass
+ * The advanced plugin.
+ *
+ * @return {Function}
+ */
+
+
+ var createPluginFactory = function createPluginFactory(name, PluginSubClass) {
+ // Add a `name` property to the plugin prototype so that each plugin can
+ // refer to itself by name.
+ PluginSubClass.prototype.name = name;
+ return function () {
+ triggerSetupEvent(this, {
+ name: name,
+ plugin: PluginSubClass,
+ instance: null
+ }, true);
+
+ for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
+ args[_key] = arguments[_key];
+ }
+
+ var instance = construct(PluginSubClass, [this].concat(args)); // The plugin is replaced by a function that returns the current instance.
+
+
+ this[name] = function () {
+ return instance;
+ };
+
+ triggerSetupEvent(this, instance.getEventHash());
+ return instance;
+ };
+ };
+ /**
+ * Parent class for all advanced plugins.
+ *
+ * @mixes module:evented~EventedMixin
+ * @mixes module:stateful~StatefulMixin
+ * @fires Player#beforepluginsetup
+ * @fires Player#beforepluginsetup:$name
+ * @fires Player#pluginsetup
+ * @fires Player#pluginsetup:$name
+ * @listens Player#dispose
+ * @throws {Error}
+ * If attempting to instantiate the base {@link Plugin} class
+ * directly instead of via a sub-class.
+ */
+
+
+ var Plugin = /*#__PURE__*/function () {
+ /**
+ * Creates an instance of this class.
+ *
+ * Sub-classes should call `super` to ensure plugins are properly initialized.
+ *
+ * @param {Player} player
+ * A Video.js player instance.
+ */
+ function Plugin(player) {
+ if (this.constructor === Plugin) {
+ throw new Error('Plugin must be sub-classed; not directly instantiated.');
+ }
+
+ this.player = player; // Make this object evented, but remove the added `trigger` method so we
+ // use the prototype version instead.
+
+ evented(this);
+ delete this.trigger;
+ stateful(this, this.constructor.defaultState);
+ markPluginAsActive(player, this.name); // Auto-bind the dispose method so we can use it as a listener and unbind
+ // it later easily.
+
+ this.dispose = bind(this, this.dispose); // If the player is disposed, dispose the plugin.
+
+ player.on('dispose', this.dispose);
+ }
+ /**
+ * Get the version of the plugin that was set on <pluginName>.VERSION
+ */
+
+
+ var _proto = Plugin.prototype;
+
+ _proto.version = function version() {
+ return this.constructor.VERSION;
+ }
+ /**
+ * Each event triggered by plugins includes a hash of additional data with
+ * conventional properties.
+ *
+ * This returns that object or mutates an existing hash.
+ *
+ * @param {Object} [hash={}]
+ * An object to be used as event an event hash.
+ *
+ * @return {Plugin~PluginEventHash}
+ * An event hash object with provided properties mixed-in.
+ */
+ ;
+
+ _proto.getEventHash = function getEventHash(hash) {
+ if (hash === void 0) {
+ hash = {};
+ }
+
+ hash.name = this.name;
+ hash.plugin = this.constructor;
+ hash.instance = this;
+ return hash;
+ }
+ /**
+ * Triggers an event on the plugin object and overrides
+ * {@link module:evented~EventedMixin.trigger|EventedMixin.trigger}.
+ *
+ * @param {string|Object} event
+ * An event type or an object with a type property.
+ *
+ * @param {Object} [hash={}]
+ * Additional data hash to merge with a
+ * {@link Plugin~PluginEventHash|PluginEventHash}.
+ *
+ * @return {boolean}
+ * Whether or not default was prevented.
+ */
+ ;
+
+ _proto.trigger = function trigger$1(event, hash) {
+ if (hash === void 0) {
+ hash = {};
+ }
+
+ return trigger(this.eventBusEl_, event, this.getEventHash(hash));
+ }
+ /**
+ * Handles "statechanged" events on the plugin. No-op by default, override by
+ * subclassing.
+ *
+ * @abstract
+ * @param {Event} e
+ * An event object provided by a "statechanged" event.
+ *
+ * @param {Object} e.changes
+ * An object describing changes that occurred with the "statechanged"
+ * event.
+ */
+ ;
+
+ _proto.handleStateChanged = function handleStateChanged(e) {}
+ /**
+ * Disposes a plugin.
+ *
+ * Subclasses can override this if they want, but for the sake of safety,
+ * it's probably best to subscribe the "dispose" event.
+ *
+ * @fires Plugin#dispose
+ */
+ ;
+
+ _proto.dispose = function dispose() {
+ var name = this.name,
+ player = this.player;
+ /**
+ * Signals that a advanced plugin is about to be disposed.
+ *
+ * @event Plugin#dispose
+ * @type {EventTarget~Event}
+ */
+
+ this.trigger('dispose');
+ this.off();
+ player.off('dispose', this.dispose); // Eliminate any possible sources of leaking memory by clearing up
+ // references between the player and the plugin instance and nulling out
+ // the plugin's state and replacing methods with a function that throws.
+
+ player[PLUGIN_CACHE_KEY][name] = false;
+ this.player = this.state = null; // Finally, replace the plugin name on the player with a new factory
+ // function, so that the plugin is ready to be set up again.
+
+ player[name] = createPluginFactory(name, pluginStorage[name]);
+ }
+ /**
+ * Determines if a plugin is a basic plugin (i.e. not a sub-class of `Plugin`).
+ *
+ * @param {string|Function} plugin
+ * If a string, matches the name of a plugin. If a function, will be
+ * tested directly.
+ *
+ * @return {boolean}
+ * Whether or not a plugin is a basic plugin.
+ */
+ ;
+
+ Plugin.isBasic = function isBasic(plugin) {
+ var p = typeof plugin === 'string' ? getPlugin(plugin) : plugin;
+ return typeof p === 'function' && !Plugin.prototype.isPrototypeOf(p.prototype);
+ }
+ /**
+ * Register a Video.js plugin.
+ *
+ * @param {string} name
+ * The name of the plugin to be registered. Must be a string and
+ * must not match an existing plugin or a method on the `Player`
+ * prototype.
+ *
+ * @param {Function} plugin
+ * A sub-class of `Plugin` or a function for basic plugins.
+ *
+ * @return {Function}
+ * For advanced plugins, a factory function for that plugin. For
+ * basic plugins, a wrapper function that initializes the plugin.
+ */
+ ;
+
+ Plugin.registerPlugin = function registerPlugin(name, plugin) {
+ if (typeof name !== 'string') {
+ throw new Error("Illegal plugin name, \"" + name + "\", must be a string, was " + typeof name + ".");
+ }
+
+ if (pluginExists(name)) {
+ log.warn("A plugin named \"" + name + "\" already exists. You may want to avoid re-registering plugins!");
+ } else if (Player.prototype.hasOwnProperty(name)) {
+ throw new Error("Illegal plugin name, \"" + name + "\", cannot share a name with an existing player method!");
+ }
+
+ if (typeof plugin !== 'function') {
+ throw new Error("Illegal plugin for \"" + name + "\", must be a function, was " + typeof plugin + ".");
+ }
+
+ pluginStorage[name] = plugin; // Add a player prototype method for all sub-classed plugins (but not for
+ // the base Plugin class).
+
+ if (name !== BASE_PLUGIN_NAME) {
+ if (Plugin.isBasic(plugin)) {
+ Player.prototype[name] = createBasicPlugin(name, plugin);
+ } else {
+ Player.prototype[name] = createPluginFactory(name, plugin);
+ }
+ }
+
+ return plugin;
+ }
+ /**
+ * De-register a Video.js plugin.
+ *
+ * @param {string} name
+ * The name of the plugin to be de-registered. Must be a string that
+ * matches an existing plugin.
+ *
+ * @throws {Error}
+ * If an attempt is made to de-register the base plugin.
+ */
+ ;
+
+ Plugin.deregisterPlugin = function deregisterPlugin(name) {
+ if (name === BASE_PLUGIN_NAME) {
+ throw new Error('Cannot de-register base plugin.');
+ }
+
+ if (pluginExists(name)) {
+ delete pluginStorage[name];
+ delete Player.prototype[name];
+ }
+ }
+ /**
+ * Gets an object containing multiple Video.js plugins.
+ *
+ * @param {Array} [names]
+ * If provided, should be an array of plugin names. Defaults to _all_
+ * plugin names.
+ *
+ * @return {Object|undefined}
+ * An object containing plugin(s) associated with their name(s) or
+ * `undefined` if no matching plugins exist).
+ */
+ ;
+
+ Plugin.getPlugins = function getPlugins(names) {
+ if (names === void 0) {
+ names = Object.keys(pluginStorage);
+ }
+
+ var result;
+ names.forEach(function (name) {
+ var plugin = getPlugin(name);
+
+ if (plugin) {
+ result = result || {};
+ result[name] = plugin;
+ }
+ });
+ return result;
+ }
+ /**
+ * Gets a plugin's version, if available
+ *
+ * @param {string} name
+ * The name of a plugin.
+ *
+ * @return {string}
+ * The plugin's version or an empty string.
+ */
+ ;
+
+ Plugin.getPluginVersion = function getPluginVersion(name) {
+ var plugin = getPlugin(name);
+ return plugin && plugin.VERSION || '';
+ };
+
+ return Plugin;
+ }();
+ /**
+ * Gets a plugin by name if it exists.
+ *
+ * @static
+ * @method getPlugin
+ * @memberOf Plugin
+ * @param {string} name
+ * The name of a plugin.
+ *
+ * @returns {Function|undefined}
+ * The plugin (or `undefined`).
+ */
+
+
+ Plugin.getPlugin = getPlugin;
+ /**
+ * The name of the base plugin class as it is registered.
+ *
+ * @type {string}
+ */
+
+ Plugin.BASE_PLUGIN_NAME = BASE_PLUGIN_NAME;
+ Plugin.registerPlugin(BASE_PLUGIN_NAME, Plugin);
+ /**
+ * Documented in player.js
+ *
+ * @ignore
+ */
+
+ Player.prototype.usingPlugin = function (name) {
+ return !!this[PLUGIN_CACHE_KEY] && this[PLUGIN_CACHE_KEY][name] === true;
+ };
+ /**
+ * Documented in player.js
+ *
+ * @ignore
+ */
+
+
+ Player.prototype.hasPlugin = function (name) {
+ return !!pluginExists(name);
+ };
+ /**
+ * Signals that a plugin is about to be set up on a player.
+ *
+ * @event Player#beforepluginsetup
+ * @type {Plugin~PluginEventHash}
+ */
+
+ /**
+ * Signals that a plugin is about to be set up on a player - by name. The name
+ * is the name of the plugin.
+ *
+ * @event Player#beforepluginsetup:$name
+ * @type {Plugin~PluginEventHash}
+ */
+
+ /**
+ * Signals that a plugin has just been set up on a player.
+ *
+ * @event Player#pluginsetup
+ * @type {Plugin~PluginEventHash}
+ */
+
+ /**
+ * Signals that a plugin has just been set up on a player - by name. The name
+ * is the name of the plugin.
+ *
+ * @event Player#pluginsetup:$name
+ * @type {Plugin~PluginEventHash}
+ */
+
+ /**
+ * @typedef {Object} Plugin~PluginEventHash
+ *
+ * @property {string} instance
+ * For basic plugins, the return value of the plugin function. For
+ * advanced plugins, the plugin instance on which the event is fired.
+ *
+ * @property {string} name
+ * The name of the plugin.
+ *
+ * @property {string} plugin
+ * For basic plugins, the plugin function. For advanced plugins, the
+ * plugin class/constructor.
+ */
+
+ function _inherits(subClass, superClass) {
+ if (typeof superClass !== "function" && superClass !== null) {
+ throw new TypeError("Super expression must either be null or a function");
+ }
+
+ subClass.prototype = Object.create(superClass && superClass.prototype, {
+ constructor: {
+ value: subClass,
+ writable: true,
+ configurable: true
+ }
+ });
+ if (superClass) setPrototypeOf(subClass, superClass);
+ }
+
+ var inherits = _inherits;
+
+ /**
+ * @file extend.js
+ * @module extend
+ */
+ /**
+ * Used to subclass an existing class by emulating ES subclassing using the
+ * `extends` keyword.
+ *
+ * @function
+ * @example
+ * var MyComponent = videojs.extend(videojs.getComponent('Component'), {
+ * myCustomMethod: function() {
+ * // Do things in my method.
+ * }
+ * });
+ *
+ * @param {Function} superClass
+ * The class to inherit from
+ *
+ * @param {Object} [subClassMethods={}]
+ * Methods of the new class
+ *
+ * @return {Function}
+ * The new class with subClassMethods that inherited superClass.
+ */
+
+ var extend = function extend(superClass, subClassMethods) {
+ if (subClassMethods === void 0) {
+ subClassMethods = {};
+ }
+
+ var subClass = function subClass() {
+ superClass.apply(this, arguments);
+ };
+
+ var methods = {};
+
+ if (typeof subClassMethods === 'object') {
+ if (subClassMethods.constructor !== Object.prototype.constructor) {
+ subClass = subClassMethods.constructor;
+ }
+
+ methods = subClassMethods;
+ } else if (typeof subClassMethods === 'function') {
+ subClass = subClassMethods;
+ }
+
+ inherits(subClass, superClass); // this is needed for backward-compatibility and node compatibility.
+
+
+ if (superClass) {
+ subClass.super_ = superClass;
+ } // Extend subObj's prototype with functions and other properties from props
+
+
+ for (var name in methods) {
+ if (methods.hasOwnProperty(name)) {
+ subClass.prototype[name] = methods[name];
+ }
+ }
+
+ return subClass;
+ };
+
+ /**
+ * @file video.js
+ * @module videojs
+ */
+ /**
+ * Normalize an `id` value by trimming off a leading `#`
+ *
+ * @private
+ * @param {string} id
+ * A string, maybe with a leading `#`.
+ *
+ * @return {string}
+ * The string, without any leading `#`.
+ */
+
+ var normalizeId = function normalizeId(id) {
+ return id.indexOf('#') === 0 ? id.slice(1) : id;
+ };
+ /**
+ * The `videojs()` function doubles as the main function for users to create a
+ * {@link Player} instance as well as the main library namespace.
+ *
+ * It can also be used as a getter for a pre-existing {@link Player} instance.
+ * However, we _strongly_ recommend using `videojs.getPlayer()` for this
+ * purpose because it avoids any potential for unintended initialization.
+ *
+ * Due to [limitations](https://github.com/jsdoc3/jsdoc/issues/955#issuecomment-313829149)
+ * of our JSDoc template, we cannot properly document this as both a function
+ * and a namespace, so its function signature is documented here.
+ *
+ * #### Arguments
+ * ##### id
+ * string|Element, **required**
+ *
+ * Video element or video element ID.
+ *
+ * ##### options
+ * Object, optional
+ *
+ * Options object for providing settings.
+ * See: [Options Guide](https://docs.videojs.com/tutorial-options.html).
+ *
+ * ##### ready
+ * {@link Component~ReadyCallback}, optional
+ *
+ * A function to be called when the {@link Player} and {@link Tech} are ready.
+ *
+ * #### Return Value
+ *
+ * The `videojs()` function returns a {@link Player} instance.
+ *
+ * @namespace
+ *
+ * @borrows AudioTrack as AudioTrack
+ * @borrows Component.getComponent as getComponent
+ * @borrows module:computed-style~computedStyle as computedStyle
+ * @borrows module:events.on as on
+ * @borrows module:events.one as one
+ * @borrows module:events.off as off
+ * @borrows module:events.trigger as trigger
+ * @borrows EventTarget as EventTarget
+ * @borrows module:extend~extend as extend
+ * @borrows module:fn.bind as bind
+ * @borrows module:format-time.formatTime as formatTime
+ * @borrows module:format-time.resetFormatTime as resetFormatTime
+ * @borrows module:format-time.setFormatTime as setFormatTime
+ * @borrows module:merge-options.mergeOptions as mergeOptions
+ * @borrows module:middleware.use as use
+ * @borrows Player.players as players
+ * @borrows Plugin.registerPlugin as registerPlugin
+ * @borrows Plugin.deregisterPlugin as deregisterPlugin
+ * @borrows Plugin.getPlugins as getPlugins
+ * @borrows Plugin.getPlugin as getPlugin
+ * @borrows Plugin.getPluginVersion as getPluginVersion
+ * @borrows Tech.getTech as getTech
+ * @borrows Tech.registerTech as registerTech
+ * @borrows TextTrack as TextTrack
+ * @borrows module:time-ranges.createTimeRanges as createTimeRange
+ * @borrows module:time-ranges.createTimeRanges as createTimeRanges
+ * @borrows module:url.isCrossOrigin as isCrossOrigin
+ * @borrows module:url.parseUrl as parseUrl
+ * @borrows VideoTrack as VideoTrack
+ *
+ * @param {string|Element} id
+ * Video element or video element ID.
+ *
+ * @param {Object} [options]
+ * Options object for providing settings.
+ * See: [Options Guide](https://docs.videojs.com/tutorial-options.html).
+ *
+ * @param {Component~ReadyCallback} [ready]
+ * A function to be called when the {@link Player} and {@link Tech} are
+ * ready.
+ *
+ * @return {Player}
+ * The `videojs()` function returns a {@link Player|Player} instance.
+ */
+
+
+ function videojs$1(id, options, ready) {
+ var player = videojs$1.getPlayer(id);
+
+ if (player) {
+ if (options) {
+ log.warn("Player \"" + id + "\" is already initialised. Options will not be applied.");
+ }
+
+ if (ready) {
+ player.ready(ready);
+ }
+
+ return player;
+ }
+
+ var el = typeof id === 'string' ? $('#' + normalizeId(id)) : id;
+
+ if (!isEl(el)) {
+ throw new TypeError('The element or ID supplied is not valid. (videojs)');
+ } // document.body.contains(el) will only check if el is contained within that one document.
+ // This causes problems for elements in iframes.
+ // Instead, use the element's ownerDocument instead of the global document.
+ // This will make sure that the element is indeed in the dom of that document.
+ // Additionally, check that the document in question has a default view.
+ // If the document is no longer attached to the dom, the defaultView of the document will be null.
+
+
+ if (!el.ownerDocument.defaultView || !el.ownerDocument.body.contains(el)) {
+ log.warn('The element supplied is not included in the DOM');
+ }
+
+ options = options || {};
+ videojs$1.hooks('beforesetup').forEach(function (hookFunction) {
+ var opts = hookFunction(el, mergeOptions(options));
+
+ if (!isObject(opts) || Array.isArray(opts)) {
+ log.error('please return an object in beforesetup hooks');
+ return;
+ }
+
+ options = mergeOptions(options, opts);
+ }); // We get the current "Player" component here in case an integration has
+ // replaced it with a custom player.
+
+ var PlayerComponent = Component.getComponent('Player');
+ player = new PlayerComponent(el, options, ready);
+ videojs$1.hooks('setup').forEach(function (hookFunction) {
+ return hookFunction(player);
+ });
+ return player;
+ }
+ /**
+ * An Object that contains lifecycle hooks as keys which point to an array
+ * of functions that are run when a lifecycle is triggered
+ *
+ * @private
+ */
+
+
+ videojs$1.hooks_ = {};
+ /**
+ * Get a list of hooks for a specific lifecycle
+ *
+ * @param {string} type
+ * the lifecyle to get hooks from
+ *
+ * @param {Function|Function[]} [fn]
+ * Optionally add a hook (or hooks) to the lifecycle that your are getting.
+ *
+ * @return {Array}
+ * an array of hooks, or an empty array if there are none.
+ */
+
+ videojs$1.hooks = function (type, fn) {
+ videojs$1.hooks_[type] = videojs$1.hooks_[type] || [];
+
+ if (fn) {
+ videojs$1.hooks_[type] = videojs$1.hooks_[type].concat(fn);
+ }
+
+ return videojs$1.hooks_[type];
+ };
+ /**
+ * Add a function hook to a specific videojs lifecycle.
+ *
+ * @param {string} type
+ * the lifecycle to hook the function to.
+ *
+ * @param {Function|Function[]}
+ * The function or array of functions to attach.
+ */
+
+
+ videojs$1.hook = function (type, fn) {
+ videojs$1.hooks(type, fn);
+ };
+ /**
+ * Add a function hook that will only run once to a specific videojs lifecycle.
+ *
+ * @param {string} type
+ * the lifecycle to hook the function to.
+ *
+ * @param {Function|Function[]}
+ * The function or array of functions to attach.
+ */
+
+
+ videojs$1.hookOnce = function (type, fn) {
+ videojs$1.hooks(type, [].concat(fn).map(function (original) {
+ var wrapper = function wrapper() {
+ videojs$1.removeHook(type, wrapper);
+ return original.apply(void 0, arguments);
+ };
+
+ return wrapper;
+ }));
+ };
+ /**
+ * Remove a hook from a specific videojs lifecycle.
+ *
+ * @param {string} type
+ * the lifecycle that the function hooked to
+ *
+ * @param {Function} fn
+ * The hooked function to remove
+ *
+ * @return {boolean}
+ * The function that was removed or undef
+ */
+
+
+ videojs$1.removeHook = function (type, fn) {
+ var index = videojs$1.hooks(type).indexOf(fn);
+
+ if (index <= -1) {
+ return false;
+ }
+
+ videojs$1.hooks_[type] = videojs$1.hooks_[type].slice();
+ videojs$1.hooks_[type].splice(index, 1);
+ return true;
+ }; // Add default styles
+
+
+ if (window$3.VIDEOJS_NO_DYNAMIC_STYLE !== true && isReal()) {
+ var style = $('.vjs-styles-defaults');
+
+ if (!style) {
+ style = createStyleElement('vjs-styles-defaults');
+ var head = $('head');
+
+ if (head) {
+ head.insertBefore(style, head.firstChild);
+ }
+
+ setTextContent(style, "\n .video-js {\n width: 300px;\n height: 150px;\n }\n\n .vjs-fluid {\n padding-top: 56.25%\n }\n ");
+ }
+ } // Run Auto-load players
+ // You have to wait at least once in case this script is loaded after your
+ // video in the DOM (weird behavior only with minified version)
+
+
+ autoSetupTimeout(1, videojs$1);
+ /**
+ * Current Video.js version. Follows [semantic versioning](https://semver.org/).
+ *
+ * @type {string}
+ */
+
+ videojs$1.VERSION = version;
+ /**
+ * The global options object. These are the settings that take effect
+ * if no overrides are specified when the player is created.
+ *
+ * @type {Object}
+ */
+
+ videojs$1.options = Player.prototype.options_;
+ /**
+ * Get an object with the currently created players, keyed by player ID
+ *
+ * @return {Object}
+ * The created players
+ */
+
+ videojs$1.getPlayers = function () {
+ return Player.players;
+ };
+ /**
+ * Get a single player based on an ID or DOM element.
+ *
+ * This is useful if you want to check if an element or ID has an associated
+ * Video.js player, but not create one if it doesn't.
+ *
+ * @param {string|Element} id
+ * An HTML element - `<video>`, `<audio>`, or `<video-js>` -
+ * or a string matching the `id` of such an element.
+ *
+ * @return {Player|undefined}
+ * A player instance or `undefined` if there is no player instance
+ * matching the argument.
+ */
+
+
+ videojs$1.getPlayer = function (id) {
+ var players = Player.players;
+ var tag;
+
+ if (typeof id === 'string') {
+ var nId = normalizeId(id);
+ var player = players[nId];
+
+ if (player) {
+ return player;
+ }
+
+ tag = $('#' + nId);
+ } else {
+ tag = id;
+ }
+
+ if (isEl(tag)) {
+ var _tag = tag,
+ _player = _tag.player,
+ playerId = _tag.playerId; // Element may have a `player` property referring to an already created
+ // player instance. If so, return that.
+
+ if (_player || players[playerId]) {
+ return _player || players[playerId];
+ }
+ }
+ };
+ /**
+ * Returns an array of all current players.
+ *
+ * @return {Array}
+ * An array of all players. The array will be in the order that
+ * `Object.keys` provides, which could potentially vary between
+ * JavaScript engines.
+ *
+ */
+
+
+ videojs$1.getAllPlayers = function () {
+ return (// Disposed players leave a key with a `null` value, so we need to make sure
+ // we filter those out.
+ Object.keys(Player.players).map(function (k) {
+ return Player.players[k];
+ }).filter(Boolean)
+ );
+ };
+
+ videojs$1.players = Player.players;
+ videojs$1.getComponent = Component.getComponent;
+ /**
+ * Register a component so it can referred to by name. Used when adding to other
+ * components, either through addChild `component.addChild('myComponent')` or through
+ * default children options `{ children: ['myComponent'] }`.
+ *
+ * > NOTE: You could also just initialize the component before adding.
+ * `component.addChild(new MyComponent());`
+ *
+ * @param {string} name
+ * The class name of the component
+ *
+ * @param {Component} comp
+ * The component class
+ *
+ * @return {Component}
+ * The newly registered component
+ */
+
+ videojs$1.registerComponent = function (name, comp) {
+ if (Tech.isTech(comp)) {
+ log.warn("The " + name + " tech was registered as a component. It should instead be registered using videojs.registerTech(name, tech)");
+ }
+
+ Component.registerComponent.call(Component, name, comp);
+ };
+
+ videojs$1.getTech = Tech.getTech;
+ videojs$1.registerTech = Tech.registerTech;
+ videojs$1.use = use;
+ /**
+ * An object that can be returned by a middleware to signify
+ * that the middleware is being terminated.
+ *
+ * @type {object}
+ * @property {object} middleware.TERMINATOR
+ */
+
+ Object.defineProperty(videojs$1, 'middleware', {
+ value: {},
+ writeable: false,
+ enumerable: true
+ });
+ Object.defineProperty(videojs$1.middleware, 'TERMINATOR', {
+ value: TERMINATOR,
+ writeable: false,
+ enumerable: true
+ });
+ /**
+ * A reference to the {@link module:browser|browser utility module} as an object.
+ *
+ * @type {Object}
+ * @see {@link module:browser|browser}
+ */
+
+ videojs$1.browser = browser;
+ /**
+ * Use {@link module:browser.TOUCH_ENABLED|browser.TOUCH_ENABLED} instead; only
+ * included for backward-compatibility with 4.x.
+ *
+ * @deprecated Since version 5.0, use {@link module:browser.TOUCH_ENABLED|browser.TOUCH_ENABLED instead.
+ * @type {boolean}
+ */
+
+ videojs$1.TOUCH_ENABLED = TOUCH_ENABLED;
+ videojs$1.extend = extend;
+ videojs$1.mergeOptions = mergeOptions;
+ videojs$1.bind = bind;
+ videojs$1.registerPlugin = Plugin.registerPlugin;
+ videojs$1.deregisterPlugin = Plugin.deregisterPlugin;
+ /**
+ * Deprecated method to register a plugin with Video.js
+ *
+ * @deprecated videojs.plugin() is deprecated; use videojs.registerPlugin() instead
+ *
+ * @param {string} name
+ * The plugin name
+ *
+ * @param {Plugin|Function} plugin
+ * The plugin sub-class or function
+ */
+
+ videojs$1.plugin = function (name, plugin) {
+ log.warn('videojs.plugin() is deprecated; use videojs.registerPlugin() instead');
+ return Plugin.registerPlugin(name, plugin);
+ };
+
+ videojs$1.getPlugins = Plugin.getPlugins;
+ videojs$1.getPlugin = Plugin.getPlugin;
+ videojs$1.getPluginVersion = Plugin.getPluginVersion;
+ /**
+ * Adding languages so that they're available to all players.
+ * Example: `videojs.addLanguage('es', { 'Hello': 'Hola' });`
+ *
+ * @param {string} code
+ * The language code or dictionary property
+ *
+ * @param {Object} data
+ * The data values to be translated
+ *
+ * @return {Object}
+ * The resulting language dictionary object
+ */
+
+ videojs$1.addLanguage = function (code, data) {
+ var _mergeOptions;
+
+ code = ('' + code).toLowerCase();
+ videojs$1.options.languages = mergeOptions(videojs$1.options.languages, (_mergeOptions = {}, _mergeOptions[code] = data, _mergeOptions));
+ return videojs$1.options.languages[code];
+ };
+ /**
+ * A reference to the {@link module:log|log utility module} as an object.
+ *
+ * @type {Function}
+ * @see {@link module:log|log}
+ */
+
+
+ videojs$1.log = log;
+ videojs$1.createLogger = createLogger$1;
+ videojs$1.createTimeRange = videojs$1.createTimeRanges = createTimeRanges;
+ videojs$1.formatTime = formatTime;
+ videojs$1.setFormatTime = setFormatTime;
+ videojs$1.resetFormatTime = resetFormatTime;
+ videojs$1.parseUrl = parseUrl;
+ videojs$1.isCrossOrigin = isCrossOrigin;
+ videojs$1.EventTarget = EventTarget;
+ videojs$1.on = on;
+ videojs$1.one = one;
+ videojs$1.off = off;
+ videojs$1.trigger = trigger;
+ /**
+ * A cross-browser XMLHttpRequest wrapper.
+ *
+ * @function
+ * @param {Object} options
+ * Settings for the request.
+ *
+ * @return {XMLHttpRequest|XDomainRequest}
+ * The request object.
+ *
+ * @see https://github.com/Raynos/xhr
+ */
+
+ videojs$1.xhr = xhr;
+ videojs$1.TextTrack = TextTrack;
+ videojs$1.AudioTrack = AudioTrack;
+ videojs$1.VideoTrack = VideoTrack;
+ ['isEl', 'isTextNode', 'createEl', 'hasClass', 'addClass', 'removeClass', 'toggleClass', 'setAttributes', 'getAttributes', 'emptyEl', 'appendContent', 'insertContent'].forEach(function (k) {
+ videojs$1[k] = function () {
+ log.warn("videojs." + k + "() is deprecated; use videojs.dom." + k + "() instead");
+ return Dom[k].apply(null, arguments);
+ };
+ });
+ videojs$1.computedStyle = computedStyle;
+ /**
+ * A reference to the {@link module:dom|DOM utility module} as an object.
+ *
+ * @type {Object}
+ * @see {@link module:dom|dom}
+ */
+
+ videojs$1.dom = Dom;
+ /**
+ * A reference to the {@link module:url|URL utility module} as an object.
+ *
+ * @type {Object}
+ * @see {@link module:url|url}
+ */
+
+ videojs$1.url = Url;
+ videojs$1.defineLazyProperty = defineLazyProperty;
+
+ var urlToolkit = createCommonjsModule(function (module, exports) {
+ // see https://tools.ietf.org/html/rfc1808
+
+ /* jshint ignore:start */
+ (function (root) {
+ /* jshint ignore:end */
+ var URL_REGEX = /^((?:[a-zA-Z0-9+\-.]+:)?)(\/\/[^\/?#]*)?((?:[^\/\?#]*\/)*.*?)??(;.*?)?(\?.*?)?(#.*?)?$/;
+ var FIRST_SEGMENT_REGEX = /^([^\/?#]*)(.*)$/;
+ var SLASH_DOT_REGEX = /(?:\/|^)\.(?=\/)/g;
+ var SLASH_DOT_DOT_REGEX = /(?:\/|^)\.\.\/(?!\.\.\/).*?(?=\/)/g;
+ var URLToolkit = {
+ // jshint ignore:line
+ // If opts.alwaysNormalize is true then the path will always be normalized even when it starts with / or //
+ // E.g
+ // With opts.alwaysNormalize = false (default, spec compliant)
+ // http://a.com/b/cd + /e/f/../g => http://a.com/e/f/../g
+ // With opts.alwaysNormalize = true (not spec compliant)
+ // http://a.com/b/cd + /e/f/../g => http://a.com/e/g
+ buildAbsoluteURL: function buildAbsoluteURL(baseURL, relativeURL, opts) {
+ opts = opts || {}; // remove any remaining space and CRLF
+
+ baseURL = baseURL.trim();
+ relativeURL = relativeURL.trim();
+
+ if (!relativeURL) {
+ // 2a) If the embedded URL is entirely empty, it inherits the
+ // entire base URL (i.e., is set equal to the base URL)
+ // and we are done.
+ if (!opts.alwaysNormalize) {
+ return baseURL;
+ }
+
+ var basePartsForNormalise = URLToolkit.parseURL(baseURL);
+
+ if (!basePartsForNormalise) {
+ throw new Error('Error trying to parse base URL.');
+ }
+
+ basePartsForNormalise.path = URLToolkit.normalizePath(basePartsForNormalise.path);
+ return URLToolkit.buildURLFromParts(basePartsForNormalise);
+ }
+
+ var relativeParts = URLToolkit.parseURL(relativeURL);
+
+ if (!relativeParts) {
+ throw new Error('Error trying to parse relative URL.');
+ }
+
+ if (relativeParts.scheme) {
+ // 2b) If the embedded URL starts with a scheme name, it is
+ // interpreted as an absolute URL and we are done.
+ if (!opts.alwaysNormalize) {
+ return relativeURL;
+ }
+
+ relativeParts.path = URLToolkit.normalizePath(relativeParts.path);
+ return URLToolkit.buildURLFromParts(relativeParts);
+ }
+
+ var baseParts = URLToolkit.parseURL(baseURL);
+
+ if (!baseParts) {
+ throw new Error('Error trying to parse base URL.');
+ }
+
+ if (!baseParts.netLoc && baseParts.path && baseParts.path[0] !== '/') {
+ // If netLoc missing and path doesn't start with '/', assume everthing before the first '/' is the netLoc
+ // This causes 'example.com/a' to be handled as '//example.com/a' instead of '/example.com/a'
+ var pathParts = FIRST_SEGMENT_REGEX.exec(baseParts.path);
+ baseParts.netLoc = pathParts[1];
+ baseParts.path = pathParts[2];
+ }
+
+ if (baseParts.netLoc && !baseParts.path) {
+ baseParts.path = '/';
+ }
+
+ var builtParts = {
+ // 2c) Otherwise, the embedded URL inherits the scheme of
+ // the base URL.
+ scheme: baseParts.scheme,
+ netLoc: relativeParts.netLoc,
+ path: null,
+ params: relativeParts.params,
+ query: relativeParts.query,
+ fragment: relativeParts.fragment
+ };
+
+ if (!relativeParts.netLoc) {
+ // 3) If the embedded URL's <net_loc> is non-empty, we skip to
+ // Step 7. Otherwise, the embedded URL inherits the <net_loc>
+ // (if any) of the base URL.
+ builtParts.netLoc = baseParts.netLoc; // 4) If the embedded URL path is preceded by a slash "/", the
+ // path is not relative and we skip to Step 7.
+
+ if (relativeParts.path[0] !== '/') {
+ if (!relativeParts.path) {
+ // 5) If the embedded URL path is empty (and not preceded by a
+ // slash), then the embedded URL inherits the base URL path
+ builtParts.path = baseParts.path; // 5a) if the embedded URL's <params> is non-empty, we skip to
+ // step 7; otherwise, it inherits the <params> of the base
+ // URL (if any) and
+
+ if (!relativeParts.params) {
+ builtParts.params = baseParts.params; // 5b) if the embedded URL's <query> is non-empty, we skip to
+ // step 7; otherwise, it inherits the <query> of the base
+ // URL (if any) and we skip to step 7.
+
+ if (!relativeParts.query) {
+ builtParts.query = baseParts.query;
+ }
+ }
+ } else {
+ // 6) The last segment of the base URL's path (anything
+ // following the rightmost slash "/", or the entire path if no
+ // slash is present) is removed and the embedded URL's path is
+ // appended in its place.
+ var baseURLPath = baseParts.path;
+ var newPath = baseURLPath.substring(0, baseURLPath.lastIndexOf('/') + 1) + relativeParts.path;
+ builtParts.path = URLToolkit.normalizePath(newPath);
+ }
+ }
+ }
+
+ if (builtParts.path === null) {
+ builtParts.path = opts.alwaysNormalize ? URLToolkit.normalizePath(relativeParts.path) : relativeParts.path;
+ }
+
+ return URLToolkit.buildURLFromParts(builtParts);
+ },
+ parseURL: function parseURL(url) {
+ var parts = URL_REGEX.exec(url);
+
+ if (!parts) {
+ return null;
+ }
+
+ return {
+ scheme: parts[1] || '',
+ netLoc: parts[2] || '',
+ path: parts[3] || '',
+ params: parts[4] || '',
+ query: parts[5] || '',
+ fragment: parts[6] || ''
+ };
+ },
+ normalizePath: function normalizePath(path) {
+ // The following operations are
+ // then applied, in order, to the new path:
+ // 6a) All occurrences of "./", where "." is a complete path
+ // segment, are removed.
+ // 6b) If the path ends with "." as a complete path segment,
+ // that "." is removed.
+ path = path.split('').reverse().join('').replace(SLASH_DOT_REGEX, ''); // 6c) All occurrences of "<segment>/../", where <segment> is a
+ // complete path segment not equal to "..", are removed.
+ // Removal of these path segments is performed iteratively,
+ // removing the leftmost matching pattern on each iteration,
+ // until no matching pattern remains.
+ // 6d) If the path ends with "<segment>/..", where <segment> is a
+ // complete path segment not equal to "..", that
+ // "<segment>/.." is removed.
+
+ while (path.length !== (path = path.replace(SLASH_DOT_DOT_REGEX, '')).length) {} // jshint ignore:line
+
+
+ return path.split('').reverse().join('');
+ },
+ buildURLFromParts: function buildURLFromParts(parts) {
+ return parts.scheme + parts.netLoc + parts.path + parts.params + parts.query + parts.fragment;
+ }
+ };
+ /* jshint ignore:start */
+
+ module.exports = URLToolkit;
+ })();
+ /* jshint ignore:end */
+
+ });
+
+ /*! @name m3u8-parser @version 4.4.0 @license Apache-2.0 */
+
+ function _extends() {
+ _extends = Object.assign || function (target) {
+ for (var i = 1; i < arguments.length; i++) {
+ var source = arguments[i];
+
+ for (var key in source) {
+ if (Object.prototype.hasOwnProperty.call(source, key)) {
+ target[key] = source[key];
+ }
+ }
+ }
+
+ return target;
+ };
+
+ return _extends.apply(this, arguments);
+ }
+
+ function _inheritsLoose$1(subClass, superClass) {
+ subClass.prototype = Object.create(superClass.prototype);
+ subClass.prototype.constructor = subClass;
+ subClass.__proto__ = superClass;
+ }
+
+ function _assertThisInitialized$1(self) {
+ if (self === void 0) {
+ throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
+ }
+
+ return self;
+ }
+ /**
+ * @file stream.js
+ */
+
+ /**
+ * A lightweight readable stream implementation that handles event dispatching.
+ *
+ * @class Stream
+ */
+
+
+ var Stream = /*#__PURE__*/function () {
+ function Stream() {
+ this.listeners = {};
+ }
+ /**
+ * Add a listener for a specified event type.
+ *
+ * @param {string} type the event name
+ * @param {Function} listener the callback to be invoked when an event of
+ * the specified type occurs
+ */
+
+
+ var _proto = Stream.prototype;
+
+ _proto.on = function on(type, listener) {
+ if (!this.listeners[type]) {
+ this.listeners[type] = [];
+ }
+
+ this.listeners[type].push(listener);
+ }
+ /**
+ * Remove a listener for a specified event type.
+ *
+ * @param {string} type the event name
+ * @param {Function} listener a function previously registered for this
+ * type of event through `on`
+ * @return {boolean} if we could turn it off or not
+ */
+ ;
+
+ _proto.off = function off(type, listener) {
+ if (!this.listeners[type]) {
+ return false;
+ }
+
+ var index = this.listeners[type].indexOf(listener);
+ this.listeners[type].splice(index, 1);
+ return index > -1;
+ }
+ /**
+ * Trigger an event of the specified type on this stream. Any additional
+ * arguments to this function are passed as parameters to event listeners.
+ *
+ * @param {string} type the event name
+ */
+ ;
+
+ _proto.trigger = function trigger(type) {
+ var callbacks = this.listeners[type];
+ var i;
+ var length;
+ var args;
+
+ if (!callbacks) {
+ return;
+ } // Slicing the arguments on every invocation of this method
+ // can add a significant amount of overhead. Avoid the
+ // intermediate object creation for the common case of a
+ // single callback argument
+
+
+ if (arguments.length === 2) {
+ length = callbacks.length;
+
+ for (i = 0; i < length; ++i) {
+ callbacks[i].call(this, arguments[1]);
+ }
+ } else {
+ args = Array.prototype.slice.call(arguments, 1);
+ length = callbacks.length;
+
+ for (i = 0; i < length; ++i) {
+ callbacks[i].apply(this, args);
+ }
+ }
+ }
+ /**
+ * Destroys the stream and cleans up.
+ */
+ ;
+
+ _proto.dispose = function dispose() {
+ this.listeners = {};
+ }
+ /**
+ * Forwards all `data` events on this stream to the destination stream. The
+ * destination stream should provide a method `push` to receive the data
+ * events as they arrive.
+ *
+ * @param {Stream} destination the stream that will receive all `data` events
+ * @see http://nodejs.org/api/stream.html#stream_readable_pipe_destination_options
+ */
+ ;
+
+ _proto.pipe = function pipe(destination) {
+ this.on('data', function (data) {
+ destination.push(data);
+ });
+ };
+
+ return Stream;
+ }();
+ /**
+ * A stream that buffers string input and generates a `data` event for each
+ * line.
+ *
+ * @class LineStream
+ * @extends Stream
+ */
+
+
+ var LineStream = /*#__PURE__*/function (_Stream) {
+ _inheritsLoose$1(LineStream, _Stream);
+
+ function LineStream() {
+ var _this;
+
+ _this = _Stream.call(this) || this;
+ _this.buffer = '';
+ return _this;
+ }
+ /**
+ * Add new data to be parsed.
+ *
+ * @param {string} data the text to process
+ */
+
+
+ var _proto = LineStream.prototype;
+
+ _proto.push = function push(data) {
+ var nextNewline;
+ this.buffer += data;
+ nextNewline = this.buffer.indexOf('\n');
+
+ for (; nextNewline > -1; nextNewline = this.buffer.indexOf('\n')) {
+ this.trigger('data', this.buffer.substring(0, nextNewline));
+ this.buffer = this.buffer.substring(nextNewline + 1);
+ }
+ };
+
+ return LineStream;
+ }(Stream);
+ /**
+ * "forgiving" attribute list psuedo-grammar:
+ * attributes -> keyvalue (',' keyvalue)*
+ * keyvalue -> key '=' value
+ * key -> [^=]*
+ * value -> '"' [^"]* '"' | [^,]*
+ */
+
+
+ var attributeSeparator = function attributeSeparator() {
+ var key = '[^=]*';
+ var value = '"[^"]*"|[^,]*';
+ var keyvalue = '(?:' + key + ')=(?:' + value + ')';
+ return new RegExp('(?:^|,)(' + keyvalue + ')');
+ };
+ /**
+ * Parse attributes from a line given the separator
+ *
+ * @param {string} attributes the attribute line to parse
+ */
+
+
+ var parseAttributes = function parseAttributes(attributes) {
+ // split the string using attributes as the separator
+ var attrs = attributes.split(attributeSeparator());
+ var result = {};
+ var i = attrs.length;
+ var attr;
+
+ while (i--) {
+ // filter out unmatched portions of the string
+ if (attrs[i] === '') {
+ continue;
+ } // split the key and value
+
+
+ attr = /([^=]*)=(.*)/.exec(attrs[i]).slice(1); // trim whitespace and remove optional quotes around the value
+
+ attr[0] = attr[0].replace(/^\s+|\s+$/g, '');
+ attr[1] = attr[1].replace(/^\s+|\s+$/g, '');
+ attr[1] = attr[1].replace(/^['"](.*)['"]$/g, '$1');
+ result[attr[0]] = attr[1];
+ }
+
+ return result;
+ };
+ /**
+ * A line-level M3U8 parser event stream. It expects to receive input one
+ * line at a time and performs a context-free parse of its contents. A stream
+ * interpretation of a manifest can be useful if the manifest is expected to
+ * be too large to fit comfortably into memory or the entirety of the input
+ * is not immediately available. Otherwise, it's probably much easier to work
+ * with a regular `Parser` object.
+ *
+ * Produces `data` events with an object that captures the parser's
+ * interpretation of the input. That object has a property `tag` that is one
+ * of `uri`, `comment`, or `tag`. URIs only have a single additional
+ * property, `line`, which captures the entirety of the input without
+ * interpretation. Comments similarly have a single additional property
+ * `text` which is the input without the leading `#`.
+ *
+ * Tags always have a property `tagType` which is the lower-cased version of
+ * the M3U8 directive without the `#EXT` or `#EXT-X-` prefix. For instance,
+ * `#EXT-X-MEDIA-SEQUENCE` becomes `media-sequence` when parsed. Unrecognized
+ * tags are given the tag type `unknown` and a single additional property
+ * `data` with the remainder of the input.
+ *
+ * @class ParseStream
+ * @extends Stream
+ */
+
+
+ var ParseStream = /*#__PURE__*/function (_Stream) {
+ _inheritsLoose$1(ParseStream, _Stream);
+
+ function ParseStream() {
+ var _this;
+
+ _this = _Stream.call(this) || this;
+ _this.customParsers = [];
+ _this.tagMappers = [];
+ return _this;
+ }
+ /**
+ * Parses an additional line of input.
+ *
+ * @param {string} line a single line of an M3U8 file to parse
+ */
+
+
+ var _proto = ParseStream.prototype;
+
+ _proto.push = function push(line) {
+ var _this2 = this;
+
+ var match;
+ var event; // strip whitespace
+
+ line = line.trim();
+
+ if (line.length === 0) {
+ // ignore empty lines
+ return;
+ } // URIs
+
+
+ if (line[0] !== '#') {
+ this.trigger('data', {
+ type: 'uri',
+ uri: line
+ });
+ return;
+ } // map tags
+
+
+ var newLines = this.tagMappers.reduce(function (acc, mapper) {
+ var mappedLine = mapper(line); // skip if unchanged
+
+ if (mappedLine === line) {
+ return acc;
+ }
+
+ return acc.concat([mappedLine]);
+ }, [line]);
+ newLines.forEach(function (newLine) {
+ for (var i = 0; i < _this2.customParsers.length; i++) {
+ if (_this2.customParsers[i].call(_this2, newLine)) {
+ return;
+ }
+ } // Comments
+
+
+ if (newLine.indexOf('#EXT') !== 0) {
+ _this2.trigger('data', {
+ type: 'comment',
+ text: newLine.slice(1)
+ });
+
+ return;
+ } // strip off any carriage returns here so the regex matching
+ // doesn't have to account for them.
+
+
+ newLine = newLine.replace('\r', ''); // Tags
+
+ match = /^#EXTM3U/.exec(newLine);
+
+ if (match) {
+ _this2.trigger('data', {
+ type: 'tag',
+ tagType: 'm3u'
+ });
+
+ return;
+ }
+
+ match = /^#EXTINF:?([0-9\.]*)?,?(.*)?$/.exec(newLine);
+
+ if (match) {
+ event = {
+ type: 'tag',
+ tagType: 'inf'
+ };
+
+ if (match[1]) {
+ event.duration = parseFloat(match[1]);
+ }
+
+ if (match[2]) {
+ event.title = match[2];
+ }
+
+ _this2.trigger('data', event);
+
+ return;
+ }
+
+ match = /^#EXT-X-TARGETDURATION:?([0-9.]*)?/.exec(newLine);
+
+ if (match) {
+ event = {
+ type: 'tag',
+ tagType: 'targetduration'
+ };
+
+ if (match[1]) {
+ event.duration = parseInt(match[1], 10);
+ }
+
+ _this2.trigger('data', event);
+
+ return;
+ }
+
+ match = /^#ZEN-TOTAL-DURATION:?([0-9.]*)?/.exec(newLine);
+
+ if (match) {
+ event = {
+ type: 'tag',
+ tagType: 'totalduration'
+ };
+
+ if (match[1]) {
+ event.duration = parseInt(match[1], 10);
+ }
+
+ _this2.trigger('data', event);
+
+ return;
+ }
+
+ match = /^#EXT-X-VERSION:?([0-9.]*)?/.exec(newLine);
+
+ if (match) {
+ event = {
+ type: 'tag',
+ tagType: 'version'
+ };
+
+ if (match[1]) {
+ event.version = parseInt(match[1], 10);
+ }
+
+ _this2.trigger('data', event);
+
+ return;
+ }
+
+ match = /^#EXT-X-MEDIA-SEQUENCE:?(\-?[0-9.]*)?/.exec(newLine);
+
+ if (match) {
+ event = {
+ type: 'tag',
+ tagType: 'media-sequence'
+ };
+
+ if (match[1]) {
+ event.number = parseInt(match[1], 10);
+ }
+
+ _this2.trigger('data', event);
+
+ return;
+ }
+
+ match = /^#EXT-X-DISCONTINUITY-SEQUENCE:?(\-?[0-9.]*)?/.exec(newLine);
+
+ if (match) {
+ event = {
+ type: 'tag',
+ tagType: 'discontinuity-sequence'
+ };
+
+ if (match[1]) {
+ event.number = parseInt(match[1], 10);
+ }
+
+ _this2.trigger('data', event);
+
+ return;
+ }
+
+ match = /^#EXT-X-PLAYLIST-TYPE:?(.*)?$/.exec(newLine);
+
+ if (match) {
+ event = {
+ type: 'tag',
+ tagType: 'playlist-type'
+ };
+
+ if (match[1]) {
+ event.playlistType = match[1];
+ }
+
+ _this2.trigger('data', event);
+
+ return;
+ }
+
+ match = /^#EXT-X-BYTERANGE:?([0-9.]*)?@?([0-9.]*)?/.exec(newLine);
+
+ if (match) {
+ event = {
+ type: 'tag',
+ tagType: 'byterange'
+ };
+
+ if (match[1]) {
+ event.length = parseInt(match[1], 10);
+ }
+
+ if (match[2]) {
+ event.offset = parseInt(match[2], 10);
+ }
+
+ _this2.trigger('data', event);
+
+ return;
+ }
+
+ match = /^#EXT-X-ALLOW-CACHE:?(YES|NO)?/.exec(newLine);
+
+ if (match) {
+ event = {
+ type: 'tag',
+ tagType: 'allow-cache'
+ };
+
+ if (match[1]) {
+ event.allowed = !/NO/.test(match[1]);
+ }
+
+ _this2.trigger('data', event);
+
+ return;
+ }
+
+ match = /^#EXT-X-MAP:?(.*)$/.exec(newLine);
+
+ if (match) {
+ event = {
+ type: 'tag',
+ tagType: 'map'
+ };
+
+ if (match[1]) {
+ var attributes = parseAttributes(match[1]);
+
+ if (attributes.URI) {
+ event.uri = attributes.URI;
+ }
+
+ if (attributes.BYTERANGE) {
+ var _attributes$BYTERANGE = attributes.BYTERANGE.split('@'),
+ length = _attributes$BYTERANGE[0],
+ offset = _attributes$BYTERANGE[1];
+
+ event.byterange = {};
+
+ if (length) {
+ event.byterange.length = parseInt(length, 10);
+ }
+
+ if (offset) {
+ event.byterange.offset = parseInt(offset, 10);
+ }
+ }
+ }
+
+ _this2.trigger('data', event);
+
+ return;
+ }
+
+ match = /^#EXT-X-STREAM-INF:?(.*)$/.exec(newLine);
+
+ if (match) {
+ event = {
+ type: 'tag',
+ tagType: 'stream-inf'
+ };
+
+ if (match[1]) {
+ event.attributes = parseAttributes(match[1]);
+
+ if (event.attributes.RESOLUTION) {
+ var split = event.attributes.RESOLUTION.split('x');
+ var resolution = {};
+
+ if (split[0]) {
+ resolution.width = parseInt(split[0], 10);
+ }
+
+ if (split[1]) {
+ resolution.height = parseInt(split[1], 10);
+ }
+
+ event.attributes.RESOLUTION = resolution;
+ }
+
+ if (event.attributes.BANDWIDTH) {
+ event.attributes.BANDWIDTH = parseInt(event.attributes.BANDWIDTH, 10);
+ }
+
+ if (event.attributes['PROGRAM-ID']) {
+ event.attributes['PROGRAM-ID'] = parseInt(event.attributes['PROGRAM-ID'], 10);
+ }
+ }
+
+ _this2.trigger('data', event);
+
+ return;
+ }
+
+ match = /^#EXT-X-MEDIA:?(.*)$/.exec(newLine);
+
+ if (match) {
+ event = {
+ type: 'tag',
+ tagType: 'media'
+ };
+
+ if (match[1]) {
+ event.attributes = parseAttributes(match[1]);
+ }
+
+ _this2.trigger('data', event);
+
+ return;
+ }
+
+ match = /^#EXT-X-ENDLIST/.exec(newLine);
+
+ if (match) {
+ _this2.trigger('data', {
+ type: 'tag',
+ tagType: 'endlist'
+ });
+
+ return;
+ }
+
+ match = /^#EXT-X-DISCONTINUITY/.exec(newLine);
+
+ if (match) {
+ _this2.trigger('data', {
+ type: 'tag',
+ tagType: 'discontinuity'
+ });
+
+ return;
+ }
+
+ match = /^#EXT-X-PROGRAM-DATE-TIME:?(.*)$/.exec(newLine);
+
+ if (match) {
+ event = {
+ type: 'tag',
+ tagType: 'program-date-time'
+ };
+
+ if (match[1]) {
+ event.dateTimeString = match[1];
+ event.dateTimeObject = new Date(match[1]);
+ }
+
+ _this2.trigger('data', event);
+
+ return;
+ }
+
+ match = /^#EXT-X-KEY:?(.*)$/.exec(newLine);
+
+ if (match) {
+ event = {
+ type: 'tag',
+ tagType: 'key'
+ };
+
+ if (match[1]) {
+ event.attributes = parseAttributes(match[1]); // parse the IV string into a Uint32Array
+
+ if (event.attributes.IV) {
+ if (event.attributes.IV.substring(0, 2).toLowerCase() === '0x') {
+ event.attributes.IV = event.attributes.IV.substring(2);
+ }
+
+ event.attributes.IV = event.attributes.IV.match(/.{8}/g);
+ event.attributes.IV[0] = parseInt(event.attributes.IV[0], 16);
+ event.attributes.IV[1] = parseInt(event.attributes.IV[1], 16);
+ event.attributes.IV[2] = parseInt(event.attributes.IV[2], 16);
+ event.attributes.IV[3] = parseInt(event.attributes.IV[3], 16);
+ event.attributes.IV = new Uint32Array(event.attributes.IV);
+ }
+ }
+
+ _this2.trigger('data', event);
+
+ return;
+ }
+
+ match = /^#EXT-X-START:?(.*)$/.exec(newLine);
+
+ if (match) {
+ event = {
+ type: 'tag',
+ tagType: 'start'
+ };
+
+ if (match[1]) {
+ event.attributes = parseAttributes(match[1]);
+ event.attributes['TIME-OFFSET'] = parseFloat(event.attributes['TIME-OFFSET']);
+ event.attributes.PRECISE = /YES/.test(event.attributes.PRECISE);
+ }
+
+ _this2.trigger('data', event);
+
+ return;
+ }
+
+ match = /^#EXT-X-CUE-OUT-CONT:?(.*)?$/.exec(newLine);
+
+ if (match) {
+ event = {
+ type: 'tag',
+ tagType: 'cue-out-cont'
+ };
+
+ if (match[1]) {
+ event.data = match[1];
+ } else {
+ event.data = '';
+ }
+
+ _this2.trigger('data', event);
+
+ return;
+ }
+
+ match = /^#EXT-X-CUE-OUT:?(.*)?$/.exec(newLine);
+
+ if (match) {
+ event = {
+ type: 'tag',
+ tagType: 'cue-out'
+ };
+
+ if (match[1]) {
+ event.data = match[1];
+ } else {
+ event.data = '';
+ }
+
+ _this2.trigger('data', event);
+
+ return;
+ }
+
+ match = /^#EXT-X-CUE-IN:?(.*)?$/.exec(newLine);
+
+ if (match) {
+ event = {
+ type: 'tag',
+ tagType: 'cue-in'
+ };
+
+ if (match[1]) {
+ event.data = match[1];
+ } else {
+ event.data = '';
+ }
+
+ _this2.trigger('data', event);
+
+ return;
+ } // unknown tag type
+
+
+ _this2.trigger('data', {
+ type: 'tag',
+ data: newLine.slice(4)
+ });
+ });
+ }
+ /**
+ * Add a parser for custom headers
+ *
+ * @param {Object} options a map of options for the added parser
+ * @param {RegExp} options.expression a regular expression to match the custom header
+ * @param {string} options.customType the custom type to register to the output
+ * @param {Function} [options.dataParser] function to parse the line into an object
+ * @param {boolean} [options.segment] should tag data be attached to the segment object
+ */
+ ;
+
+ _proto.addParser = function addParser(_ref) {
+ var _this3 = this;
+
+ var expression = _ref.expression,
+ customType = _ref.customType,
+ dataParser = _ref.dataParser,
+ segment = _ref.segment;
+
+ if (typeof dataParser !== 'function') {
+ dataParser = function dataParser(line) {
+ return line;
+ };
+ }
+
+ this.customParsers.push(function (line) {
+ var match = expression.exec(line);
+
+ if (match) {
+ _this3.trigger('data', {
+ type: 'custom',
+ data: dataParser(line),
+ customType: customType,
+ segment: segment
+ });
+
+ return true;
+ }
+ });
+ }
+ /**
+ * Add a custom header mapper
+ *
+ * @param {Object} options
+ * @param {RegExp} options.expression a regular expression to match the custom header
+ * @param {Function} options.map function to translate tag into a different tag
+ */
+ ;
+
+ _proto.addTagMapper = function addTagMapper(_ref2) {
+ var expression = _ref2.expression,
+ map = _ref2.map;
+
+ var mapFn = function mapFn(line) {
+ if (expression.test(line)) {
+ return map(line);
+ }
+
+ return line;
+ };
+
+ this.tagMappers.push(mapFn);
+ };
+
+ return ParseStream;
+ }(Stream);
+
+ function decodeB64ToUint8Array(b64Text) {
+ var decodedString = window$3.atob(b64Text || '');
+ var array = new Uint8Array(decodedString.length);
+
+ for (var i = 0; i < decodedString.length; i++) {
+ array[i] = decodedString.charCodeAt(i);
+ }
+
+ return array;
+ }
+ /**
+ * A parser for M3U8 files. The current interpretation of the input is
+ * exposed as a property `manifest` on parser objects. It's just two lines to
+ * create and parse a manifest once you have the contents available as a string:
+ *
+ * ```js
+ * var parser = new m3u8.Parser();
+ * parser.push(xhr.responseText);
+ * ```
+ *
+ * New input can later be applied to update the manifest object by calling
+ * `push` again.
+ *
+ * The parser attempts to create a usable manifest object even if the
+ * underlying input is somewhat nonsensical. It emits `info` and `warning`
+ * events during the parse if it encounters input that seems invalid or
+ * requires some property of the manifest object to be defaulted.
+ *
+ * @class Parser
+ * @extends Stream
+ */
+
+
+ var Parser = /*#__PURE__*/function (_Stream) {
+ _inheritsLoose$1(Parser, _Stream);
+
+ function Parser() {
+ var _this;
+
+ _this = _Stream.call(this) || this;
+ _this.lineStream = new LineStream();
+ _this.parseStream = new ParseStream();
+
+ _this.lineStream.pipe(_this.parseStream);
+ /* eslint-disable consistent-this */
+
+
+ var self = _assertThisInitialized$1(_this);
+ /* eslint-enable consistent-this */
+
+
+ var uris = [];
+ var currentUri = {}; // if specified, the active EXT-X-MAP definition
+
+ var currentMap; // if specified, the active decryption key
+
+ var _key;
+
+ var noop = function noop() {};
+
+ var defaultMediaGroups = {
+ 'AUDIO': {},
+ 'VIDEO': {},
+ 'CLOSED-CAPTIONS': {},
+ 'SUBTITLES': {}
+ }; // This is the Widevine UUID from DASH IF IOP. The same exact string is
+ // used in MPDs with Widevine encrypted streams.
+
+ var widevineUuid = 'urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed'; // group segments into numbered timelines delineated by discontinuities
+
+ var currentTimeline = 0; // the manifest is empty until the parse stream begins delivering data
+
+ _this.manifest = {
+ allowCache: true,
+ discontinuityStarts: [],
+ segments: []
+ }; // update the manifest with the m3u8 entry from the parse stream
+
+ _this.parseStream.on('data', function (entry) {
+ var mediaGroup;
+ var rendition;
+ ({
+ tag: function tag() {
+ // switch based on the tag type
+ (({
+ 'allow-cache': function allowCache() {
+ this.manifest.allowCache = entry.allowed;
+
+ if (!('allowed' in entry)) {
+ this.trigger('info', {
+ message: 'defaulting allowCache to YES'
+ });
+ this.manifest.allowCache = true;
+ }
+ },
+ byterange: function byterange() {
+ var byterange = {};
+
+ if ('length' in entry) {
+ currentUri.byterange = byterange;
+ byterange.length = entry.length;
+
+ if (!('offset' in entry)) {
+ this.trigger('info', {
+ message: 'defaulting offset to zero'
+ });
+ entry.offset = 0;
+ }
+ }
+
+ if ('offset' in entry) {
+ currentUri.byterange = byterange;
+ byterange.offset = entry.offset;
+ }
+ },
+ endlist: function endlist() {
+ this.manifest.endList = true;
+ },
+ inf: function inf() {
+ if (!('mediaSequence' in this.manifest)) {
+ this.manifest.mediaSequence = 0;
+ this.trigger('info', {
+ message: 'defaulting media sequence to zero'
+ });
+ }
+
+ if (!('discontinuitySequence' in this.manifest)) {
+ this.manifest.discontinuitySequence = 0;
+ this.trigger('info', {
+ message: 'defaulting discontinuity sequence to zero'
+ });
+ }
+
+ if (entry.duration > 0) {
+ currentUri.duration = entry.duration;
+ }
+
+ if (entry.duration === 0) {
+ currentUri.duration = 0.01;
+ this.trigger('info', {
+ message: 'updating zero segment duration to a small value'
+ });
+ }
+
+ this.manifest.segments = uris;
+ },
+ key: function key() {
+ if (!entry.attributes) {
+ this.trigger('warn', {
+ message: 'ignoring key declaration without attribute list'
+ });
+ return;
+ } // clear the active encryption key
+
+
+ if (entry.attributes.METHOD === 'NONE') {
+ _key = null;
+ return;
+ }
+
+ if (!entry.attributes.URI) {
+ this.trigger('warn', {
+ message: 'ignoring key declaration without URI'
+ });
+ return;
+ } // check if the content is encrypted for Widevine
+ // Widevine/HLS spec: https://storage.googleapis.com/wvdocs/Widevine_DRM_HLS.pdf
+
+
+ if (entry.attributes.KEYFORMAT === widevineUuid) {
+ var VALID_METHODS = ['SAMPLE-AES', 'SAMPLE-AES-CTR', 'SAMPLE-AES-CENC'];
+
+ if (VALID_METHODS.indexOf(entry.attributes.METHOD) === -1) {
+ this.trigger('warn', {
+ message: 'invalid key method provided for Widevine'
+ });
+ return;
+ }
+
+ if (entry.attributes.METHOD === 'SAMPLE-AES-CENC') {
+ this.trigger('warn', {
+ message: 'SAMPLE-AES-CENC is deprecated, please use SAMPLE-AES-CTR instead'
+ });
+ }
+
+ if (entry.attributes.URI.substring(0, 23) !== 'data:text/plain;base64,') {
+ this.trigger('warn', {
+ message: 'invalid key URI provided for Widevine'
+ });
+ return;
+ }
+
+ if (!(entry.attributes.KEYID && entry.attributes.KEYID.substring(0, 2) === '0x')) {
+ this.trigger('warn', {
+ message: 'invalid key ID provided for Widevine'
+ });
+ return;
+ } // if Widevine key attributes are valid, store them as `contentProtection`
+ // on the manifest to emulate Widevine tag structure in a DASH mpd
+
+
+ this.manifest.contentProtection = {
+ 'com.widevine.alpha': {
+ attributes: {
+ schemeIdUri: entry.attributes.KEYFORMAT,
+ // remove '0x' from the key id string
+ keyId: entry.attributes.KEYID.substring(2)
+ },
+ // decode the base64-encoded PSSH box
+ pssh: decodeB64ToUint8Array(entry.attributes.URI.split(',')[1])
+ }
+ };
+ return;
+ }
+
+ if (!entry.attributes.METHOD) {
+ this.trigger('warn', {
+ message: 'defaulting key method to AES-128'
+ });
+ } // setup an encryption key for upcoming segments
+
+
+ _key = {
+ method: entry.attributes.METHOD || 'AES-128',
+ uri: entry.attributes.URI
+ };
+
+ if (typeof entry.attributes.IV !== 'undefined') {
+ _key.iv = entry.attributes.IV;
+ }
+ },
+ 'media-sequence': function mediaSequence() {
+ if (!isFinite(entry.number)) {
+ this.trigger('warn', {
+ message: 'ignoring invalid media sequence: ' + entry.number
+ });
+ return;
+ }
+
+ this.manifest.mediaSequence = entry.number;
+ },
+ 'discontinuity-sequence': function discontinuitySequence() {
+ if (!isFinite(entry.number)) {
+ this.trigger('warn', {
+ message: 'ignoring invalid discontinuity sequence: ' + entry.number
+ });
+ return;
+ }
+
+ this.manifest.discontinuitySequence = entry.number;
+ currentTimeline = entry.number;
+ },
+ 'playlist-type': function playlistType() {
+ if (!/VOD|EVENT/.test(entry.playlistType)) {
+ this.trigger('warn', {
+ message: 'ignoring unknown playlist type: ' + entry.playlist
+ });
+ return;
+ }
+
+ this.manifest.playlistType = entry.playlistType;
+ },
+ map: function map() {
+ currentMap = {};
+
+ if (entry.uri) {
+ currentMap.uri = entry.uri;
+ }
+
+ if (entry.byterange) {
+ currentMap.byterange = entry.byterange;
+ }
+ },
+ 'stream-inf': function streamInf() {
+ this.manifest.playlists = uris;
+ this.manifest.mediaGroups = this.manifest.mediaGroups || defaultMediaGroups;
+
+ if (!entry.attributes) {
+ this.trigger('warn', {
+ message: 'ignoring empty stream-inf attributes'
+ });
+ return;
+ }
+
+ if (!currentUri.attributes) {
+ currentUri.attributes = {};
+ }
+
+ _extends(currentUri.attributes, entry.attributes);
+ },
+ media: function media() {
+ this.manifest.mediaGroups = this.manifest.mediaGroups || defaultMediaGroups;
+
+ if (!(entry.attributes && entry.attributes.TYPE && entry.attributes['GROUP-ID'] && entry.attributes.NAME)) {
+ this.trigger('warn', {
+ message: 'ignoring incomplete or missing media group'
+ });
+ return;
+ } // find the media group, creating defaults as necessary
+
+
+ var mediaGroupType = this.manifest.mediaGroups[entry.attributes.TYPE];
+ mediaGroupType[entry.attributes['GROUP-ID']] = mediaGroupType[entry.attributes['GROUP-ID']] || {};
+ mediaGroup = mediaGroupType[entry.attributes['GROUP-ID']]; // collect the rendition metadata
+
+ rendition = {
+ "default": /yes/i.test(entry.attributes.DEFAULT)
+ };
+
+ if (rendition["default"]) {
+ rendition.autoselect = true;
+ } else {
+ rendition.autoselect = /yes/i.test(entry.attributes.AUTOSELECT);
+ }
+
+ if (entry.attributes.LANGUAGE) {
+ rendition.language = entry.attributes.LANGUAGE;
+ }
+
+ if (entry.attributes.URI) {
+ rendition.uri = entry.attributes.URI;
+ }
+
+ if (entry.attributes['INSTREAM-ID']) {
+ rendition.instreamId = entry.attributes['INSTREAM-ID'];
+ }
+
+ if (entry.attributes.CHARACTERISTICS) {
+ rendition.characteristics = entry.attributes.CHARACTERISTICS;
+ }
+
+ if (entry.attributes.FORCED) {
+ rendition.forced = /yes/i.test(entry.attributes.FORCED);
+ } // insert the new rendition
+
+
+ mediaGroup[entry.attributes.NAME] = rendition;
+ },
+ discontinuity: function discontinuity() {
+ currentTimeline += 1;
+ currentUri.discontinuity = true;
+ this.manifest.discontinuityStarts.push(uris.length);
+ },
+ 'program-date-time': function programDateTime() {
+ if (typeof this.manifest.dateTimeString === 'undefined') {
+ // PROGRAM-DATE-TIME is a media-segment tag, but for backwards
+ // compatibility, we add the first occurence of the PROGRAM-DATE-TIME tag
+ // to the manifest object
+ // TODO: Consider removing this in future major version
+ this.manifest.dateTimeString = entry.dateTimeString;
+ this.manifest.dateTimeObject = entry.dateTimeObject;
+ }
+
+ currentUri.dateTimeString = entry.dateTimeString;
+ currentUri.dateTimeObject = entry.dateTimeObject;
+ },
+ targetduration: function targetduration() {
+ if (!isFinite(entry.duration) || entry.duration < 0) {
+ this.trigger('warn', {
+ message: 'ignoring invalid target duration: ' + entry.duration
+ });
+ return;
+ }
+
+ this.manifest.targetDuration = entry.duration;
+ },
+ totalduration: function totalduration() {
+ if (!isFinite(entry.duration) || entry.duration < 0) {
+ this.trigger('warn', {
+ message: 'ignoring invalid total duration: ' + entry.duration
+ });
+ return;
+ }
+
+ this.manifest.totalDuration = entry.duration;
+ },
+ start: function start() {
+ if (!entry.attributes || isNaN(entry.attributes['TIME-OFFSET'])) {
+ this.trigger('warn', {
+ message: 'ignoring start declaration without appropriate attribute list'
+ });
+ return;
+ }
+
+ this.manifest.start = {
+ timeOffset: entry.attributes['TIME-OFFSET'],
+ precise: entry.attributes.PRECISE
+ };
+ },
+ 'cue-out': function cueOut() {
+ currentUri.cueOut = entry.data;
+ },
+ 'cue-out-cont': function cueOutCont() {
+ currentUri.cueOutCont = entry.data;
+ },
+ 'cue-in': function cueIn() {
+ currentUri.cueIn = entry.data;
+ }
+ })[entry.tagType] || noop).call(self);
+ },
+ uri: function uri() {
+ currentUri.uri = entry.uri;
+ uris.push(currentUri); // if no explicit duration was declared, use the target duration
+
+ if (this.manifest.targetDuration && !('duration' in currentUri)) {
+ this.trigger('warn', {
+ message: 'defaulting segment duration to the target duration'
+ });
+ currentUri.duration = this.manifest.targetDuration;
+ } // annotate with encryption information, if necessary
+
+
+ if (_key) {
+ currentUri.key = _key;
+ }
+
+ currentUri.timeline = currentTimeline; // annotate with initialization segment information, if necessary
+
+ if (currentMap) {
+ currentUri.map = currentMap;
+ } // prepare for the next URI
+
+
+ currentUri = {};
+ },
+ comment: function comment() {// comments are not important for playback
+ },
+ custom: function custom() {
+ // if this is segment-level data attach the output to the segment
+ if (entry.segment) {
+ currentUri.custom = currentUri.custom || {};
+ currentUri.custom[entry.customType] = entry.data; // if this is manifest-level data attach to the top level manifest object
+ } else {
+ this.manifest.custom = this.manifest.custom || {};
+ this.manifest.custom[entry.customType] = entry.data;
+ }
+ }
+ })[entry.type].call(self);
+ });
+
+ return _this;
+ }
+ /**
+ * Parse the input string and update the manifest object.
+ *
+ * @param {string} chunk a potentially incomplete portion of the manifest
+ */
+
+
+ var _proto = Parser.prototype;
+
+ _proto.push = function push(chunk) {
+ this.lineStream.push(chunk);
+ }
+ /**
+ * Flush any remaining input. This can be handy if the last line of an M3U8
+ * manifest did not contain a trailing newline but the file has been
+ * completely received.
+ */
+ ;
+
+ _proto.end = function end() {
+ // flush any buffered input
+ this.lineStream.push('\n');
+ }
+ /**
+ * Add an additional parser for non-standard tags
+ *
+ * @param {Object} options a map of options for the added parser
+ * @param {RegExp} options.expression a regular expression to match the custom header
+ * @param {string} options.type the type to register to the output
+ * @param {Function} [options.dataParser] function to parse the line into an object
+ * @param {boolean} [options.segment] should tag data be attached to the segment object
+ */
+ ;
+
+ _proto.addParser = function addParser(options) {
+ this.parseStream.addParser(options);
+ }
+ /**
+ * Add a custom header mapper
+ *
+ * @param {Object} options
+ * @param {RegExp} options.expression a regular expression to match the custom header
+ * @param {Function} options.map function to translate tag into a different tag
+ */
+ ;
+
+ _proto.addTagMapper = function addTagMapper(options) {
+ this.parseStream.addTagMapper(options);
+ };
+
+ return Parser;
+ }(Stream);
+
+ function _interopDefault(ex) {
+ return ex && typeof ex === 'object' && 'default' in ex ? ex['default'] : ex;
+ }
+
+ var URLToolkit = _interopDefault(urlToolkit);
+
+ var window$1 = _interopDefault(window$3);
+
+ var resolveUrl = function resolveUrl(baseUrl, relativeUrl) {
+ // return early if we don't need to resolve
+ if (/^[a-z]+:/i.test(relativeUrl)) {
+ return relativeUrl;
+ } // if the base URL is relative then combine with the current location
+
+
+ if (!/\/\//i.test(baseUrl)) {
+ baseUrl = URLToolkit.buildAbsoluteURL(window$1.location && window$1.location.href || '', baseUrl);
+ }
+
+ return URLToolkit.buildAbsoluteURL(baseUrl, relativeUrl);
+ };
+
+ var resolveUrl_1 = resolveUrl;
+
+ function _interopDefault$1(ex) {
+ return ex && typeof ex === 'object' && 'default' in ex ? ex['default'] : ex;
+ }
+
+ var window$2 = _interopDefault$1(window$3);
+
+ var atob = function atob(s) {
+ return window$2.atob ? window$2.atob(s) : Buffer.from(s, 'base64').toString('binary');
+ };
+
+ function decodeB64ToUint8Array$1(b64Text) {
+ var decodedString = atob(b64Text);
+ var array = new Uint8Array(decodedString.length);
+
+ for (var i = 0; i < decodedString.length; i++) {
+ array[i] = decodedString.charCodeAt(i);
+ }
+
+ return array;
+ }
+
+ var decodeB64ToUint8Array_1 = decodeB64ToUint8Array$1;
+
+ //[4] NameStartChar ::= ":" | [A-Z] | "_" | [a-z] | [#xC0-#xD6] | [#xD8-#xF6] | [#xF8-#x2FF] | [#x370-#x37D] | [#x37F-#x1FFF] | [#x200C-#x200D] | [#x2070-#x218F] | [#x2C00-#x2FEF] | [#x3001-#xD7FF] | [#xF900-#xFDCF] | [#xFDF0-#xFFFD] | [#x10000-#xEFFFF]
+ //[4a] NameChar ::= NameStartChar | "-" | "." | [0-9] | #xB7 | [#x0300-#x036F] | [#x203F-#x2040]
+ //[5] Name ::= NameStartChar (NameChar)*
+ var nameStartChar = /[A-Z_a-z\xC0-\xD6\xD8-\xF6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD]/; //\u10000-\uEFFFF
+
+ var nameChar = new RegExp("[\\-\\.0-9" + nameStartChar.source.slice(1, -1) + "\\u00B7\\u0300-\\u036F\\u203F-\\u2040]");
+ var tagNamePattern = new RegExp('^' + nameStartChar.source + nameChar.source + '*(?:\:' + nameStartChar.source + nameChar.source + '*)?$'); //var tagNamePattern = /^[a-zA-Z_][\w\-\.]*(?:\:[a-zA-Z_][\w\-\.]*)?$/
+ //var handlers = 'resolveEntity,getExternalSubset,characters,endDocument,endElement,endPrefixMapping,ignorableWhitespace,processingInstruction,setDocumentLocator,skippedEntity,startDocument,startElement,startPrefixMapping,notationDecl,unparsedEntityDecl,error,fatalError,warning,attributeDecl,elementDecl,externalEntityDecl,internalEntityDecl,comment,endCDATA,endDTD,endEntity,startCDATA,startDTD,startEntity'.split(',')
+ //S_TAG, S_ATTR, S_EQ, S_ATTR_NOQUOT_VALUE
+ //S_ATTR_SPACE, S_ATTR_END, S_TAG_SPACE, S_TAG_CLOSE
+
+ var S_TAG = 0; //tag name offerring
+
+ var S_ATTR = 1; //attr name offerring
+
+ var S_ATTR_SPACE = 2; //attr name end and space offer
+
+ var S_EQ = 3; //=space?
+
+ var S_ATTR_NOQUOT_VALUE = 4; //attr value(no quot value only)
+
+ var S_ATTR_END = 5; //attr value end and no space(quot end)
+
+ var S_TAG_SPACE = 6; //(attr value end || tag end ) && (space offer)
+
+ var S_TAG_CLOSE = 7; //closed el<el />
+
+ function XMLReader() {}
+
+ XMLReader.prototype = {
+ parse: function parse(source, defaultNSMap, entityMap) {
+ var domBuilder = this.domBuilder;
+ domBuilder.startDocument();
+
+ _copy(defaultNSMap, defaultNSMap = {});
+
+ _parse(source, defaultNSMap, entityMap, domBuilder, this.errorHandler);
+
+ domBuilder.endDocument();
+ }
+ };
+
+ function _parse(source, defaultNSMapCopy, entityMap, domBuilder, errorHandler) {
+ function fixedFromCharCode(code) {
+ // String.prototype.fromCharCode does not supports
+ // > 2 bytes unicode chars directly
+ if (code > 0xffff) {
+ code -= 0x10000;
+ var surrogate1 = 0xd800 + (code >> 10),
+ surrogate2 = 0xdc00 + (code & 0x3ff);
+ return String.fromCharCode(surrogate1, surrogate2);
+ } else {
+ return String.fromCharCode(code);
+ }
+ }
+
+ function entityReplacer(a) {
+ var k = a.slice(1, -1);
+
+ if (k in entityMap) {
+ return entityMap[k];
+ } else if (k.charAt(0) === '#') {
+ return fixedFromCharCode(parseInt(k.substr(1).replace('x', '0x')));
+ } else {
+ errorHandler.error('entity not found:' + a);
+ return a;
+ }
+ }
+
+ function appendText(end) {
+ //has some bugs
+ if (end > start) {
+ var xt = source.substring(start, end).replace(/&#?\w+;/g, entityReplacer);
+ locator && position(start);
+ domBuilder.characters(xt, 0, end - start);
+ start = end;
+ }
+ }
+
+ function position(p, m) {
+ while (p >= lineEnd && (m = linePattern.exec(source))) {
+ lineStart = m.index;
+ lineEnd = lineStart + m[0].length;
+ locator.lineNumber++; //console.log('line++:',locator,startPos,endPos)
+ }
+
+ locator.columnNumber = p - lineStart + 1;
+ }
+
+ var lineStart = 0;
+ var lineEnd = 0;
+ var linePattern = /.*(?:\r\n?|\n)|.*$/g;
+ var locator = domBuilder.locator;
+ var parseStack = [{
+ currentNSMap: defaultNSMapCopy
+ }];
+ var closeMap = {};
+ var start = 0;
+
+ while (true) {
+ try {
+ var tagStart = source.indexOf('<', start);
+
+ if (tagStart < 0) {
+ if (!source.substr(start).match(/^\s*$/)) {
+ var doc = domBuilder.doc;
+ var text = doc.createTextNode(source.substr(start));
+ doc.appendChild(text);
+ domBuilder.currentElement = text;
+ }
+
+ return;
+ }
+
+ if (tagStart > start) {
+ appendText(tagStart);
+ }
+
+ switch (source.charAt(tagStart + 1)) {
+ case '/':
+ var end = source.indexOf('>', tagStart + 3);
+ var tagName = source.substring(tagStart + 2, end);
+ var config = parseStack.pop();
+
+ if (end < 0) {
+ tagName = source.substring(tagStart + 2).replace(/[\s<].*/, ''); //console.error('#@@@@@@'+tagName)
+
+ errorHandler.error("end tag name: " + tagName + ' is not complete:' + config.tagName);
+ end = tagStart + 1 + tagName.length;
+ } else if (tagName.match(/\s</)) {
+ tagName = tagName.replace(/[\s<].*/, '');
+ errorHandler.error("end tag name: " + tagName + ' maybe not complete');
+ end = tagStart + 1 + tagName.length;
+ } //console.error(parseStack.length,parseStack)
+ //console.error(config);
+
+
+ var localNSMap = config.localNSMap;
+ var endMatch = config.tagName == tagName;
+ var endIgnoreCaseMach = endMatch || config.tagName && config.tagName.toLowerCase() == tagName.toLowerCase();
+
+ if (endIgnoreCaseMach) {
+ domBuilder.endElement(config.uri, config.localName, tagName);
+
+ if (localNSMap) {
+ for (var prefix in localNSMap) {
+ domBuilder.endPrefixMapping(prefix);
+ }
+ }
+
+ if (!endMatch) {
+ errorHandler.fatalError("end tag name: " + tagName + ' is not match the current start tagName:' + config.tagName);
+ }
+ } else {
+ parseStack.push(config);
+ }
+
+ end++;
+ break;
+ // end elment
+
+ case '?':
+ // <?...?>
+ locator && position(tagStart);
+ end = parseInstruction(source, tagStart, domBuilder);
+ break;
+
+ case '!':
+ // <!doctype,<![CDATA,<!--
+ locator && position(tagStart);
+ end = parseDCC(source, tagStart, domBuilder, errorHandler);
+ break;
+
+ default:
+ locator && position(tagStart);
+ var el = new ElementAttributes();
+ var currentNSMap = parseStack[parseStack.length - 1].currentNSMap; //elStartEnd
+
+ var end = parseElementStartPart(source, tagStart, el, currentNSMap, entityReplacer, errorHandler);
+ var len = el.length;
+
+ if (!el.closed && fixSelfClosed(source, end, el.tagName, closeMap)) {
+ el.closed = true;
+
+ if (!entityMap.nbsp) {
+ errorHandler.warning('unclosed xml attribute');
+ }
+ }
+
+ if (locator && len) {
+ var locator2 = copyLocator(locator, {}); //try{//attribute position fixed
+
+ for (var i = 0; i < len; i++) {
+ var a = el[i];
+ position(a.offset);
+ a.locator = copyLocator(locator, {});
+ } //}catch(e){console.error('@@@@@'+e)}
+
+
+ domBuilder.locator = locator2;
+
+ if (appendElement(el, domBuilder, currentNSMap)) {
+ parseStack.push(el);
+ }
+
+ domBuilder.locator = locator;
+ } else {
+ if (appendElement(el, domBuilder, currentNSMap)) {
+ parseStack.push(el);
+ }
+ }
+
+ if (el.uri === 'http://www.w3.org/1999/xhtml' && !el.closed) {
+ end = parseHtmlSpecialContent(source, end, el.tagName, entityReplacer, domBuilder);
+ } else {
+ end++;
+ }
+
+ }
+ } catch (e) {
+ errorHandler.error('element parse error: ' + e); //errorHandler.error('element parse error: '+e);
+
+ end = -1; //throw e;
+ }
+
+ if (end > start) {
+ start = end;
+ } else {
+ //TODO: 这里有可能sax回退，有位置错误风险
+ appendText(Math.max(tagStart, start) + 1);
+ }
+ }
+ }
+
+ function copyLocator(f, t) {
+ t.lineNumber = f.lineNumber;
+ t.columnNumber = f.columnNumber;
+ return t;
+ }
+ /**\r
+ * @see #appendElement(source,elStartEnd,el,selfClosed,entityReplacer,domBuilder,parseStack);\r
+ * @return end of the elementStartPart(end of elementEndPart for selfClosed el)\r
+ */
+
+
+ function parseElementStartPart(source, start, el, currentNSMap, entityReplacer, errorHandler) {
+ var attrName;
+ var value;
+ var p = ++start;
+ var s = S_TAG; //status
+
+ while (true) {
+ var c = source.charAt(p);
+
+ switch (c) {
+ case '=':
+ if (s === S_ATTR) {
+ //attrName
+ attrName = source.slice(start, p);
+ s = S_EQ;
+ } else if (s === S_ATTR_SPACE) {
+ s = S_EQ;
+ } else {
+ //fatalError: equal must after attrName or space after attrName
+ throw new Error('attribute equal must after attrName');
+ }
+
+ break;
+
+ case '\'':
+ case '"':
+ if (s === S_EQ || s === S_ATTR //|| s == S_ATTR_SPACE
+ ) {
+ //equal
+ if (s === S_ATTR) {
+ errorHandler.warning('attribute value must after "="');
+ attrName = source.slice(start, p);
+ }
+
+ start = p + 1;
+ p = source.indexOf(c, start);
+
+ if (p > 0) {
+ value = source.slice(start, p).replace(/&#?\w+;/g, entityReplacer);
+ el.add(attrName, value, start - 1);
+ s = S_ATTR_END;
+ } else {
+ //fatalError: no end quot match
+ throw new Error('attribute value no end \'' + c + '\' match');
+ }
+ } else if (s == S_ATTR_NOQUOT_VALUE) {
+ value = source.slice(start, p).replace(/&#?\w+;/g, entityReplacer); //console.log(attrName,value,start,p)
+
+ el.add(attrName, value, start); //console.dir(el)
+
+ errorHandler.warning('attribute "' + attrName + '" missed start quot(' + c + ')!!');
+ start = p + 1;
+ s = S_ATTR_END;
+ } else {
+ //fatalError: no equal before
+ throw new Error('attribute value must after "="');
+ }
+
+ break;
+
+ case '/':
+ switch (s) {
+ case S_TAG:
+ el.setTagName(source.slice(start, p));
+
+ case S_ATTR_END:
+ case S_TAG_SPACE:
+ case S_TAG_CLOSE:
+ s = S_TAG_CLOSE;
+ el.closed = true;
+
+ case S_ATTR_NOQUOT_VALUE:
+ case S_ATTR:
+ case S_ATTR_SPACE:
+ break;
+ //case S_EQ:
+
+ default:
+ throw new Error("attribute invalid close char('/')");
+ }
+
+ break;
+
+ case '':
+ //end document
+ //throw new Error('unexpected end of input')
+ errorHandler.error('unexpected end of input');
+
+ if (s == S_TAG) {
+ el.setTagName(source.slice(start, p));
+ }
+
+ return p;
+
+ case '>':
+ switch (s) {
+ case S_TAG:
+ el.setTagName(source.slice(start, p));
+
+ case S_ATTR_END:
+ case S_TAG_SPACE:
+ case S_TAG_CLOSE:
+ break;
+ //normal
+
+ case S_ATTR_NOQUOT_VALUE: //Compatible state
+
+ case S_ATTR:
+ value = source.slice(start, p);
+
+ if (value.slice(-1) === '/') {
+ el.closed = true;
+ value = value.slice(0, -1);
+ }
+
+ case S_ATTR_SPACE:
+ if (s === S_ATTR_SPACE) {
+ value = attrName;
+ }
+
+ if (s == S_ATTR_NOQUOT_VALUE) {
+ errorHandler.warning('attribute "' + value + '" missed quot(")!!');
+ el.add(attrName, value.replace(/&#?\w+;/g, entityReplacer), start);
+ } else {
+ if (currentNSMap[''] !== 'http://www.w3.org/1999/xhtml' || !value.match(/^(?:disabled|checked|selected)$/i)) {
+ errorHandler.warning('attribute "' + value + '" missed value!! "' + value + '" instead!!');
+ }
+
+ el.add(value, value, start);
+ }
+
+ break;
+
+ case S_EQ:
+ throw new Error('attribute value missed!!');
+ } // console.log(tagName,tagNamePattern,tagNamePattern.test(tagName))
+
+
+ return p;
+
+ /*xml space '\x20' | #x9 | #xD | #xA; */
+
+ case "\x80":
+ c = ' ';
+
+ default:
+ if (c <= ' ') {
+ //space
+ switch (s) {
+ case S_TAG:
+ el.setTagName(source.slice(start, p)); //tagName
+
+ s = S_TAG_SPACE;
+ break;
+
+ case S_ATTR:
+ attrName = source.slice(start, p);
+ s = S_ATTR_SPACE;
+ break;
+
+ case S_ATTR_NOQUOT_VALUE:
+ var value = source.slice(start, p).replace(/&#?\w+;/g, entityReplacer);
+ errorHandler.warning('attribute "' + value + '" missed quot(")!!');
+ el.add(attrName, value, start);
+
+ case S_ATTR_END:
+ s = S_TAG_SPACE;
+ break;
+ //case S_TAG_SPACE:
+ //case S_EQ:
+ //case S_ATTR_SPACE:
+ // void();break;
+ //case S_TAG_CLOSE:
+ //ignore warning
+ }
+ } else {
+ //not space
+ //S_TAG, S_ATTR, S_EQ, S_ATTR_NOQUOT_VALUE
+ //S_ATTR_SPACE, S_ATTR_END, S_TAG_SPACE, S_TAG_CLOSE
+ switch (s) {
+ //case S_TAG:void();break;
+ //case S_ATTR:void();break;
+ //case S_ATTR_NOQUOT_VALUE:void();break;
+ case S_ATTR_SPACE:
+ var tagName = el.tagName;
+
+ if (currentNSMap[''] !== 'http://www.w3.org/1999/xhtml' || !attrName.match(/^(?:disabled|checked|selected)$/i)) {
+ errorHandler.warning('attribute "' + attrName + '" missed value!! "' + attrName + '" instead2!!');
+ }
+
+ el.add(attrName, attrName, start);
+ start = p;
+ s = S_ATTR;
+ break;
+
+ case S_ATTR_END:
+ errorHandler.warning('attribute space is required"' + attrName + '"!!');
+
+ case S_TAG_SPACE:
+ s = S_ATTR;
+ start = p;
+ break;
+
+ case S_EQ:
+ s = S_ATTR_NOQUOT_VALUE;
+ start = p;
+ break;
+
+ case S_TAG_CLOSE:
+ throw new Error("elements closed character '/' and '>' must be connected to");
+ }
+ }
+
+ } //end outer switch
+ //console.log('p++',p)
+
+
+ p++;
+ }
+ }
+ /**\r
+ * @return true if has new namespace define\r
+ */
+
+
+ function appendElement(el, domBuilder, currentNSMap) {
+ var tagName = el.tagName;
+ var localNSMap = null; //var currentNSMap = parseStack[parseStack.length-1].currentNSMap;
+
+ var i = el.length;
+
+ while (i--) {
+ var a = el[i];
+ var qName = a.qName;
+ var value = a.value;
+ var nsp = qName.indexOf(':');
+
+ if (nsp > 0) {
+ var prefix = a.prefix = qName.slice(0, nsp);
+ var localName = qName.slice(nsp + 1);
+ var nsPrefix = prefix === 'xmlns' && localName;
+ } else {
+ localName = qName;
+ prefix = null;
+ nsPrefix = qName === 'xmlns' && '';
+ } //can not set prefix,because prefix !== ''
+
+
+ a.localName = localName; //prefix == null for no ns prefix attribute
+
+ if (nsPrefix !== false) {
+ //hack!!
+ if (localNSMap == null) {
+ localNSMap = {}; //console.log(currentNSMap,0)
+
+ _copy(currentNSMap, currentNSMap = {}); //console.log(currentNSMap,1)
+
+ }
+
+ currentNSMap[nsPrefix] = localNSMap[nsPrefix] = value;
+ a.uri = 'http://www.w3.org/2000/xmlns/';
+ domBuilder.startPrefixMapping(nsPrefix, value);
+ }
+ }
+
+ var i = el.length;
+
+ while (i--) {
+ a = el[i];
+ var prefix = a.prefix;
+
+ if (prefix) {
+ //no prefix attribute has no namespace
+ if (prefix === 'xml') {
+ a.uri = 'http://www.w3.org/XML/1998/namespace';
+ }
+
+ if (prefix !== 'xmlns') {
+ a.uri = currentNSMap[prefix || '']; //{console.log('###'+a.qName,domBuilder.locator.systemId+'',currentNSMap,a.uri)}
+ }
+ }
+ }
+
+ var nsp = tagName.indexOf(':');
+
+ if (nsp > 0) {
+ prefix = el.prefix = tagName.slice(0, nsp);
+ localName = el.localName = tagName.slice(nsp + 1);
+ } else {
+ prefix = null; //important!!
+
+ localName = el.localName = tagName;
+ } //no prefix element has default namespace
+
+
+ var ns = el.uri = currentNSMap[prefix || ''];
+ domBuilder.startElement(ns, localName, tagName, el); //endPrefixMapping and startPrefixMapping have not any help for dom builder
+ //localNSMap = null
+
+ if (el.closed) {
+ domBuilder.endElement(ns, localName, tagName);
+
+ if (localNSMap) {
+ for (prefix in localNSMap) {
+ domBuilder.endPrefixMapping(prefix);
+ }
+ }
+ } else {
+ el.currentNSMap = currentNSMap;
+ el.localNSMap = localNSMap; //parseStack.push(el);
+
+ return true;
+ }
+ }
+
+ function parseHtmlSpecialContent(source, elStartEnd, tagName, entityReplacer, domBuilder) {
+ if (/^(?:script|textarea)$/i.test(tagName)) {
+ var elEndStart = source.indexOf('</' + tagName + '>', elStartEnd);
+ var text = source.substring(elStartEnd + 1, elEndStart);
+
+ if (/[&<]/.test(text)) {
+ if (/^script$/i.test(tagName)) {
+ //if(!/\]\]>/.test(text)){
+ //lexHandler.startCDATA();
+ domBuilder.characters(text, 0, text.length); //lexHandler.endCDATA();
+
+ return elEndStart; //}
+ } //}else{//text area
+
+
+ text = text.replace(/&#?\w+;/g, entityReplacer);
+ domBuilder.characters(text, 0, text.length);
+ return elEndStart; //}
+ }
+ }
+
+ return elStartEnd + 1;
+ }
+
+ function fixSelfClosed(source, elStartEnd, tagName, closeMap) {
+ //if(tagName in closeMap){
+ var pos = closeMap[tagName];
+
+ if (pos == null) {
+ //console.log(tagName)
+ pos = source.lastIndexOf('</' + tagName + '>');
+
+ if (pos < elStartEnd) {
+ //忘记闭合
+ pos = source.lastIndexOf('</' + tagName);
+ }
+
+ closeMap[tagName] = pos;
+ }
+
+ return pos < elStartEnd; //}
+ }
+
+ function _copy(source, target) {
+ for (var n in source) {
+ target[n] = source[n];
+ }
+ }
+
+ function parseDCC(source, start, domBuilder, errorHandler) {
+ //sure start with '<!'
+ var next = source.charAt(start + 2);
+
+ switch (next) {
+ case '-':
+ if (source.charAt(start + 3) === '-') {
+ var end = source.indexOf('-->', start + 4); //append comment source.substring(4,end)//<!--
+
+ if (end > start) {
+ domBuilder.comment(source, start + 4, end - start - 4);
+ return end + 3;
+ } else {
+ errorHandler.error("Unclosed comment");
+ return -1;
+ }
+ } else {
+ //error
+ return -1;
+ }
+
+ default:
+ if (source.substr(start + 3, 6) == 'CDATA[') {
+ var end = source.indexOf(']]>', start + 9);
+ domBuilder.startCDATA();
+ domBuilder.characters(source, start + 9, end - start - 9);
+ domBuilder.endCDATA();
+ return end + 3;
+ } //<!DOCTYPE
+ //startDTD(java.lang.String name, java.lang.String publicId, java.lang.String systemId)
+
+
+ var matchs = split(source, start);
+ var len = matchs.length;
+
+ if (len > 1 && /!doctype/i.test(matchs[0][0])) {
+ var name = matchs[1][0];
+ var pubid = len > 3 && /^public$/i.test(matchs[2][0]) && matchs[3][0];
+ var sysid = len > 4 && matchs[4][0];
+ var lastMatch = matchs[len - 1];
+ domBuilder.startDTD(name, pubid && pubid.replace(/^(['"])(.*?)\1$/, '$2'), sysid && sysid.replace(/^(['"])(.*?)\1$/, '$2'));
+ domBuilder.endDTD();
+ return lastMatch.index + lastMatch[0].length;
+ }
+
+ }
+
+ return -1;
+ }
+
+ function parseInstruction(source, start, domBuilder) {
+ var end = source.indexOf('?>', start);
+
+ if (end) {
+ var match = source.substring(start, end).match(/^<\?(\S*)\s*([\s\S]*?)\s*$/);
+
+ if (match) {
+ var len = match[0].length;
+ domBuilder.processingInstruction(match[1], match[2]);
+ return end + 2;
+ } else {
+ //error
+ return -1;
+ }
+ }
+
+ return -1;
+ }
+ /**\r
+ * @param source\r
+ */
+
+
+ function ElementAttributes(source) {}
+
+ ElementAttributes.prototype = {
+ setTagName: function setTagName(tagName) {
+ if (!tagNamePattern.test(tagName)) {
+ throw new Error('invalid tagName:' + tagName);
+ }
+
+ this.tagName = tagName;
+ },
+ add: function add(qName, value, offset) {
+ if (!tagNamePattern.test(qName)) {
+ throw new Error('invalid attribute:' + qName);
+ }
+
+ this[this.length++] = {
+ qName: qName,
+ value: value,
+ offset: offset
+ };
+ },
+ length: 0,
+ getLocalName: function getLocalName(i) {
+ return this[i].localName;
+ },
+ getLocator: function getLocator(i) {
+ return this[i].locator;
+ },
+ getQName: function getQName(i) {
+ return this[i].qName;
+ },
+ getURI: function getURI(i) {
+ return this[i].uri;
+ },
+ getValue: function getValue(i) {
+ return this[i].value;
+ } // ,getIndex:function(uri, localName)){
+ // if(localName){
+ //
+ // }else{
+ // var qName = uri
+ // }
+ // },
+ // getValue:function(){return this.getValue(this.getIndex.apply(this,arguments))},
+ // getType:function(uri,localName){}
+ // getType:function(i){},
+
+ };
+
+ function _set_proto_(thiz, parent) {
+ thiz.__proto__ = parent;
+ return thiz;
+ }
+
+ if (!(_set_proto_({}, _set_proto_.prototype) instanceof _set_proto_)) {
+ _set_proto_ = function _set_proto_(thiz, parent) {
+ function p() {}
+ p.prototype = parent;
+ p = new p();
+
+ for (parent in thiz) {
+ p[parent] = thiz[parent];
+ }
+
+ return p;
+ };
+ }
+
+ function split(source, start) {
+ var match;
+ var buf = [];
+ var reg = /'[^']+'|"[^"]+"|[^\s<>\/=]+=?|(\/?\s*>|<)/g;
+ reg.lastIndex = start;
+ reg.exec(source); //skip <
+
+ while (match = reg.exec(source)) {
+ buf.push(match);
+ if (match[1]) return buf;
+ }
+ }
+
+ var XMLReader_1 = XMLReader;
+ var sax = {
+ XMLReader: XMLReader_1
+ };
+
+ /*
+ * DOM Level 2
+ * Object DOMException
+ * @see http://www.w3.org/TR/REC-DOM-Level-1/ecma-script-language-binding.html
+ * @see http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113/ecma-script-binding.html
+ */
+ function copy(src, dest) {
+ for (var p in src) {
+ dest[p] = src[p];
+ }
+ }
+ /**
+ ^\w+\.prototype\.([_\w]+)\s*=\s*((?:.*\{\s*?[\r\n][\s\S]*?^})|\S.*?(?=[;\r\n]));?
+ ^\w+\.prototype\.([_\w]+)\s*=\s*(\S.*?(?=[;\r\n]));?
+ */
+
+
+ function _extends$1(Class, Super) {
+ var pt = Class.prototype;
+
+ if (Object.create) {
+ var ppt = Object.create(Super.prototype);
+ pt.__proto__ = ppt;
+ }
+
+ if (!(pt instanceof Super)) {
+ var t = function t() {};
+ t.prototype = Super.prototype;
+ t = new t();
+ copy(pt, t);
+ Class.prototype = pt = t;
+ }
+
+ if (pt.constructor != Class) {
+ if (typeof Class != 'function') {
+ console.error("unknow Class:" + Class);
+ }
+
+ pt.constructor = Class;
+ }
+ }
+
+ var htmlns = 'http://www.w3.org/1999/xhtml'; // Node Types
+
+ var NodeType = {};
+ var ELEMENT_NODE = NodeType.ELEMENT_NODE = 1;
+ var ATTRIBUTE_NODE = NodeType.ATTRIBUTE_NODE = 2;
+ var TEXT_NODE = NodeType.TEXT_NODE = 3;
+ var CDATA_SECTION_NODE = NodeType.CDATA_SECTION_NODE = 4;
+ var ENTITY_REFERENCE_NODE = NodeType.ENTITY_REFERENCE_NODE = 5;
+ var ENTITY_NODE = NodeType.ENTITY_NODE = 6;
+ var PROCESSING_INSTRUCTION_NODE = NodeType.PROCESSING_INSTRUCTION_NODE = 7;
+ var COMMENT_NODE = NodeType.COMMENT_NODE = 8;
+ var DOCUMENT_NODE = NodeType.DOCUMENT_NODE = 9;
+ var DOCUMENT_TYPE_NODE = NodeType.DOCUMENT_TYPE_NODE = 10;
+ var DOCUMENT_FRAGMENT_NODE = NodeType.DOCUMENT_FRAGMENT_NODE = 11;
+ var NOTATION_NODE = NodeType.NOTATION_NODE = 12; // ExceptionCode
+
+ var ExceptionCode = {};
+ var ExceptionMessage = {};
+ var INDEX_SIZE_ERR = ExceptionCode.INDEX_SIZE_ERR = (ExceptionMessage[1] = "Index size error", 1);
+ var DOMSTRING_SIZE_ERR = ExceptionCode.DOMSTRING_SIZE_ERR = (ExceptionMessage[2] = "DOMString size error", 2);
+ var HIERARCHY_REQUEST_ERR = ExceptionCode.HIERARCHY_REQUEST_ERR = (ExceptionMessage[3] = "Hierarchy request error", 3);
+ var WRONG_DOCUMENT_ERR = ExceptionCode.WRONG_DOCUMENT_ERR = (ExceptionMessage[4] = "Wrong document", 4);
+ var INVALID_CHARACTER_ERR = ExceptionCode.INVALID_CHARACTER_ERR = (ExceptionMessage[5] = "Invalid character", 5);
+ var NO_DATA_ALLOWED_ERR = ExceptionCode.NO_DATA_ALLOWED_ERR = (ExceptionMessage[6] = "No data allowed", 6);
+ var NO_MODIFICATION_ALLOWED_ERR = ExceptionCode.NO_MODIFICATION_ALLOWED_ERR = (ExceptionMessage[7] = "No modification allowed", 7);
+ var NOT_FOUND_ERR = ExceptionCode.NOT_FOUND_ERR = (ExceptionMessage[8] = "Not found", 8);
+ var NOT_SUPPORTED_ERR = ExceptionCode.NOT_SUPPORTED_ERR = (ExceptionMessage[9] = "Not supported", 9);
+ var INUSE_ATTRIBUTE_ERR = ExceptionCode.INUSE_ATTRIBUTE_ERR = (ExceptionMessage[10] = "Attribute in use", 10); //level2
+
+ var INVALID_STATE_ERR = ExceptionCode.INVALID_STATE_ERR = (ExceptionMessage[11] = "Invalid state", 11);
+ var SYNTAX_ERR = ExceptionCode.SYNTAX_ERR = (ExceptionMessage[12] = "Syntax error", 12);
+ var INVALID_MODIFICATION_ERR = ExceptionCode.INVALID_MODIFICATION_ERR = (ExceptionMessage[13] = "Invalid modification", 13);
+ var NAMESPACE_ERR = ExceptionCode.NAMESPACE_ERR = (ExceptionMessage[14] = "Invalid namespace", 14);
+ var INVALID_ACCESS_ERR = ExceptionCode.INVALID_ACCESS_ERR = (ExceptionMessage[15] = "Invalid access", 15);
+
+ function DOMException(code, message) {
+ if (message instanceof Error) {
+ var error = message;
+ } else {
+ error = this;
+ Error.call(this, ExceptionMessage[code]);
+ this.message = ExceptionMessage[code];
+ if (Error.captureStackTrace) Error.captureStackTrace(this, DOMException);
+ }
+
+ error.code = code;
+ if (message) this.message = this.message + ": " + message;
+ return error;
+ }
+ DOMException.prototype = Error.prototype;
+ copy(ExceptionCode, DOMException);
+ /**
+ * @see http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113/core.html#ID-536297177
+ * The NodeList interface provides the abstraction of an ordered collection of nodes, without defining or constraining how this collection is implemented. NodeList objects in the DOM are live.
+ * The items in the NodeList are accessible via an integral index, starting from 0.
+ */
+
+ function NodeList() {}
+ NodeList.prototype = {
+ /**
+ * The number of nodes in the list. The range of valid child node indices is 0 to length-1 inclusive.
+ * @standard level1
+ */
+ length: 0,
+
+ /**
+ * Returns the indexth item in the collection. If index is greater than or equal to the number of nodes in the list, this returns null.
+ * @standard level1
+ * @param index unsigned long
+ * Index into the collection.
+ * @return Node
+ * The node at the indexth position in the NodeList, or null if that is not a valid index.
+ */
+ item: function item(index) {
+ return this[index] || null;
+ },
+ toString: function toString(isHTML, nodeFilter) {
+ for (var buf = [], i = 0; i < this.length; i++) {
+ serializeToString(this[i], buf, isHTML, nodeFilter);
+ }
+
+ return buf.join('');
+ }
+ };
+
+ function LiveNodeList(node, refresh) {
+ this._node = node;
+ this._refresh = refresh;
+
+ _updateLiveList(this);
+ }
+
+ function _updateLiveList(list) {
+ var inc = list._node._inc || list._node.ownerDocument._inc;
+
+ if (list._inc != inc) {
+ var ls = list._refresh(list._node); //console.log(ls.length)
+
+
+ __set__(list, 'length', ls.length);
+
+ copy(ls, list);
+ list._inc = inc;
+ }
+ }
+
+ LiveNodeList.prototype.item = function (i) {
+ _updateLiveList(this);
+
+ return this[i];
+ };
+
+ _extends$1(LiveNodeList, NodeList);
+ /**
+ *
+ * Objects implementing the NamedNodeMap interface are used to represent collections of nodes that can be accessed by name. Note that NamedNodeMap does not inherit from NodeList; NamedNodeMaps are not maintained in any particular order. Objects contained in an object implementing NamedNodeMap may also be accessed by an ordinal index, but this is simply to allow convenient enumeration of the contents of a NamedNodeMap, and does not imply that the DOM specifies an order to these Nodes.
+ * NamedNodeMap objects in the DOM are live.
+ * used for attributes or DocumentType entities
+ */
+
+
+ function NamedNodeMap() {}
+
+ function _findNodeIndex(list, node) {
+ var i = list.length;
+
+ while (i--) {
+ if (list[i] === node) {
+ return i;
+ }
+ }
+ }
+
+ function _addNamedNode(el, list, newAttr, oldAttr) {
+ if (oldAttr) {
+ list[_findNodeIndex(list, oldAttr)] = newAttr;
+ } else {
+ list[list.length++] = newAttr;
+ }
+
+ if (el) {
+ newAttr.ownerElement = el;
+ var doc = el.ownerDocument;
+
+ if (doc) {
+ oldAttr && _onRemoveAttribute(doc, el, oldAttr);
+
+ _onAddAttribute(doc, el, newAttr);
+ }
+ }
+ }
+
+ function _removeNamedNode(el, list, attr) {
+ //console.log('remove attr:'+attr)
+ var i = _findNodeIndex(list, attr);
+
+ if (i >= 0) {
+ var lastIndex = list.length - 1;
+
+ while (i < lastIndex) {
+ list[i] = list[++i];
+ }
+
+ list.length = lastIndex;
+
+ if (el) {
+ var doc = el.ownerDocument;
+
+ if (doc) {
+ _onRemoveAttribute(doc, el, attr);
+
+ attr.ownerElement = null;
+ }
+ }
+ } else {
+ throw DOMException(NOT_FOUND_ERR, new Error(el.tagName + '@' + attr));
+ }
+ }
+
+ NamedNodeMap.prototype = {
+ length: 0,
+ item: NodeList.prototype.item,
+ getNamedItem: function getNamedItem(key) {
+ // if(key.indexOf(':')>0 || key == 'xmlns'){
+ // return null;
+ // }
+ //console.log()
+ var i = this.length;
+
+ while (i--) {
+ var attr = this[i]; //console.log(attr.nodeName,key)
+
+ if (attr.nodeName == key) {
+ return attr;
+ }
+ }
+ },
+ setNamedItem: function setNamedItem(attr) {
+ var el = attr.ownerElement;
+
+ if (el && el != this._ownerElement) {
+ throw new DOMException(INUSE_ATTRIBUTE_ERR);
+ }
+
+ var oldAttr = this.getNamedItem(attr.nodeName);
+
+ _addNamedNode(this._ownerElement, this, attr, oldAttr);
+
+ return oldAttr;
+ },
+
+ /* returns Node */
+ setNamedItemNS: function setNamedItemNS(attr) {
+ // raises: WRONG_DOCUMENT_ERR,NO_MODIFICATION_ALLOWED_ERR,INUSE_ATTRIBUTE_ERR
+ var el = attr.ownerElement,
+ oldAttr;
+
+ if (el && el != this._ownerElement) {
+ throw new DOMException(INUSE_ATTRIBUTE_ERR);
+ }
+
+ oldAttr = this.getNamedItemNS(attr.namespaceURI, attr.localName);
+
+ _addNamedNode(this._ownerElement, this, attr, oldAttr);
+
+ return oldAttr;
+ },
+
+ /* returns Node */
+ removeNamedItem: function removeNamedItem(key) {
+ var attr = this.getNamedItem(key);
+
+ _removeNamedNode(this._ownerElement, this, attr);
+
+ return attr;
+ },
+ // raises: NOT_FOUND_ERR,NO_MODIFICATION_ALLOWED_ERR
+ //for level2
+ removeNamedItemNS: function removeNamedItemNS(namespaceURI, localName) {
+ var attr = this.getNamedItemNS(namespaceURI, localName);
+
+ _removeNamedNode(this._ownerElement, this, attr);
+
+ return attr;
+ },
+ getNamedItemNS: function getNamedItemNS(namespaceURI, localName) {
+ var i = this.length;
+
+ while (i--) {
+ var node = this[i];
+
+ if (node.localName == localName && node.namespaceURI == namespaceURI) {
+ return node;
+ }
+ }
+
+ return null;
+ }
+ };
+ /**
+ * @see http://www.w3.org/TR/REC-DOM-Level-1/level-one-core.html#ID-102161490
+ */
+
+ function DOMImplementation(
+ /* Object */
+ features) {
+ this._features = {};
+
+ if (features) {
+ for (var feature in features) {
+ this._features = features[feature];
+ }
+ }
+ }
+ DOMImplementation.prototype = {
+ hasFeature: function hasFeature(
+ /* string */
+ feature,
+ /* string */
+ version) {
+ var versions = this._features[feature.toLowerCase()];
+
+ if (versions && (!version || version in versions)) {
+ return true;
+ } else {
+ return false;
+ }
+ },
+ // Introduced in DOM Level 2:
+ createDocument: function createDocument(namespaceURI, qualifiedName, doctype) {
+ // raises:INVALID_CHARACTER_ERR,NAMESPACE_ERR,WRONG_DOCUMENT_ERR
+ var doc = new Document();
+ doc.implementation = this;
+ doc.childNodes = new NodeList();
+ doc.doctype = doctype;
+
+ if (doctype) {
+ doc.appendChild(doctype);
+ }
+
+ if (qualifiedName) {
+ var root = doc.createElementNS(namespaceURI, qualifiedName);
+ doc.appendChild(root);
+ }
+
+ return doc;
+ },
+ // Introduced in DOM Level 2:
+ createDocumentType: function createDocumentType(qualifiedName, publicId, systemId) {
+ // raises:INVALID_CHARACTER_ERR,NAMESPACE_ERR
+ var node = new DocumentType();
+ node.name = qualifiedName;
+ node.nodeName = qualifiedName;
+ node.publicId = publicId;
+ node.systemId = systemId; // Introduced in DOM Level 2:
+ //readonly attribute DOMString internalSubset;
+ //TODO:..
+ // readonly attribute NamedNodeMap entities;
+ // readonly attribute NamedNodeMap notations;
+
+ return node;
+ }
+ };
+ /**
+ * @see http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113/core.html#ID-1950641247
+ */
+
+ function Node() {}
+ Node.prototype = {
+ firstChild: null,
+ lastChild: null,
+ previousSibling: null,
+ nextSibling: null,
+ attributes: null,
+ parentNode: null,
+ childNodes: null,
+ ownerDocument: null,
+ nodeValue: null,
+ namespaceURI: null,
+ prefix: null,
+ localName: null,
+ // Modified in DOM Level 2:
+ insertBefore: function insertBefore(newChild, refChild) {
+ //raises
+ return _insertBefore(this, newChild, refChild);
+ },
+ replaceChild: function replaceChild(newChild, oldChild) {
+ //raises
+ this.insertBefore(newChild, oldChild);
+
+ if (oldChild) {
+ this.removeChild(oldChild);
+ }
+ },
+ removeChild: function removeChild(oldChild) {
+ return _removeChild(this, oldChild);
+ },
+ appendChild: function appendChild(newChild) {
+ return this.insertBefore(newChild, null);
+ },
+ hasChildNodes: function hasChildNodes() {
+ return this.firstChild != null;
+ },
+ cloneNode: function cloneNode(deep) {
+ return _cloneNode(this.ownerDocument || this, this, deep);
+ },
+ // Modified in DOM Level 2:
+ normalize: function normalize() {
+ var child = this.firstChild;
+
+ while (child) {
+ var next = child.nextSibling;
+
+ if (next && next.nodeType == TEXT_NODE && child.nodeType == TEXT_NODE) {
+ this.removeChild(next);
+ child.appendData(next.data);
+ } else {
+ child.normalize();
+ child = next;
+ }
+ }
+ },
+ // Introduced in DOM Level 2:
+ isSupported: function isSupported(feature, version) {
+ return this.ownerDocument.implementation.hasFeature(feature, version);
+ },
+ // Introduced in DOM Level 2:
+ hasAttributes: function hasAttributes() {
+ return this.attributes.length > 0;
+ },
+ lookupPrefix: function lookupPrefix(namespaceURI) {
+ var el = this;
+
+ while (el) {
+ var map = el._nsMap; //console.dir(map)
+
+ if (map) {
+ for (var n in map) {
+ if (map[n] == namespaceURI) {
+ return n;
+ }
+ }
+ }
+
+ el = el.nodeType == ATTRIBUTE_NODE ? el.ownerDocument : el.parentNode;
+ }
+
+ return null;
+ },
+ // Introduced in DOM Level 3:
+ lookupNamespaceURI: function lookupNamespaceURI(prefix) {
+ var el = this;
+
+ while (el) {
+ var map = el._nsMap; //console.dir(map)
+
+ if (map) {
+ if (prefix in map) {
+ return map[prefix];
+ }
+ }
+
+ el = el.nodeType == ATTRIBUTE_NODE ? el.ownerDocument : el.parentNode;
+ }
+
+ return null;
+ },
+ // Introduced in DOM Level 3:
+ isDefaultNamespace: function isDefaultNamespace(namespaceURI) {
+ var prefix = this.lookupPrefix(namespaceURI);
+ return prefix == null;
+ }
+ };
+
+ function _xmlEncoder(c) {
+ return c == '<' && '<' || c == '>' && '>' || c == '&' && '&' || c == '"' && '"' || '&#' + c.charCodeAt() + ';';
+ }
+
+ copy(NodeType, Node);
+ copy(NodeType, Node.prototype);
+ /**
+ * @param callback return true for continue,false for break
+ * @return boolean true: break visit;
+ */
+
+ function _visitNode(node, callback) {
+ if (callback(node)) {
+ return true;
+ }
+
+ if (node = node.firstChild) {
+ do {
+ if (_visitNode(node, callback)) {
+ return true;
+ }
+ } while (node = node.nextSibling);
+ }
+ }
+
+ function Document() {}
+
+ function _onAddAttribute(doc, el, newAttr) {
+ doc && doc._inc++;
+ var ns = newAttr.namespaceURI;
+
+ if (ns == 'http://www.w3.org/2000/xmlns/') {
+ //update namespace
+ el._nsMap[newAttr.prefix ? newAttr.localName : ''] = newAttr.value;
+ }
+ }
+
+ function _onRemoveAttribute(doc, el, newAttr, remove) {
+ doc && doc._inc++;
+ var ns = newAttr.namespaceURI;
+
+ if (ns == 'http://www.w3.org/2000/xmlns/') {
+ //update namespace
+ delete el._nsMap[newAttr.prefix ? newAttr.localName : ''];
+ }
+ }
+
+ function _onUpdateChild(doc, el, newChild) {
+ if (doc && doc._inc) {
+ doc._inc++; //update childNodes
+
+ var cs = el.childNodes;
+
+ if (newChild) {
+ cs[cs.length++] = newChild;
+ } else {
+ //console.log(1)
+ var child = el.firstChild;
+ var i = 0;
+
+ while (child) {
+ cs[i++] = child;
+ child = child.nextSibling;
+ }
+
+ cs.length = i;
+ }
+ }
+ }
+ /**
+ * attributes;
+ * children;
+ *
+ * writeable properties:
+ * nodeValue,Attr:value,CharacterData:data
+ * prefix
+ */
+
+
+ function _removeChild(parentNode, child) {
+ var previous = child.previousSibling;
+ var next = child.nextSibling;
+
+ if (previous) {
+ previous.nextSibling = next;
+ } else {
+ parentNode.firstChild = next;
+ }
+
+ if (next) {
+ next.previousSibling = previous;
+ } else {
+ parentNode.lastChild = previous;
+ }
+
+ _onUpdateChild(parentNode.ownerDocument, parentNode);
+
+ return child;
+ }
+ /**
+ * preformance key(refChild == null)
+ */
+
+
+ function _insertBefore(parentNode, newChild, nextChild) {
+ var cp = newChild.parentNode;
+
+ if (cp) {
+ cp.removeChild(newChild); //remove and update
+ }
+
+ if (newChild.nodeType === DOCUMENT_FRAGMENT_NODE) {
+ var newFirst = newChild.firstChild;
+
+ if (newFirst == null) {
+ return newChild;
+ }
+
+ var newLast = newChild.lastChild;
+ } else {
+ newFirst = newLast = newChild;
+ }
+
+ var pre = nextChild ? nextChild.previousSibling : parentNode.lastChild;
+ newFirst.previousSibling = pre;
+ newLast.nextSibling = nextChild;
+
+ if (pre) {
+ pre.nextSibling = newFirst;
+ } else {
+ parentNode.firstChild = newFirst;
+ }
+
+ if (nextChild == null) {
+ parentNode.lastChild = newLast;
+ } else {
+ nextChild.previousSibling = newLast;
+ }
+
+ do {
+ newFirst.parentNode = parentNode;
+ } while (newFirst !== newLast && (newFirst = newFirst.nextSibling));
+
+ _onUpdateChild(parentNode.ownerDocument || parentNode, parentNode); //console.log(parentNode.lastChild.nextSibling == null)
+
+
+ if (newChild.nodeType == DOCUMENT_FRAGMENT_NODE) {
+ newChild.firstChild = newChild.lastChild = null;
+ }
+
+ return newChild;
+ }
+
+ function _appendSingleChild(parentNode, newChild) {
+ var cp = newChild.parentNode;
+
+ if (cp) {
+ var pre = parentNode.lastChild;
+ cp.removeChild(newChild); //remove and update
+
+ var pre = parentNode.lastChild;
+ }
+
+ var pre = parentNode.lastChild;
+ newChild.parentNode = parentNode;
+ newChild.previousSibling = pre;
+ newChild.nextSibling = null;
+
+ if (pre) {
+ pre.nextSibling = newChild;
+ } else {
+ parentNode.firstChild = newChild;
+ }
+
+ parentNode.lastChild = newChild;
+
+ _onUpdateChild(parentNode.ownerDocument, parentNode, newChild);
+
+ return newChild; //console.log("__aa",parentNode.lastChild.nextSibling == null)
+ }
+
+ Document.prototype = {
+ //implementation : null,
+ nodeName: '#document',
+ nodeType: DOCUMENT_NODE,
+ doctype: null,
+ documentElement: null,
+ _inc: 1,
+ insertBefore: function insertBefore(newChild, refChild) {
+ //raises
+ if (newChild.nodeType == DOCUMENT_FRAGMENT_NODE) {
+ var child = newChild.firstChild;
+
+ while (child) {
+ var next = child.nextSibling;
+ this.insertBefore(child, refChild);
+ child = next;
+ }
+
+ return newChild;
+ }
+
+ if (this.documentElement == null && newChild.nodeType == ELEMENT_NODE) {
+ this.documentElement = newChild;
+ }
+
+ return _insertBefore(this, newChild, refChild), newChild.ownerDocument = this, newChild;
+ },
+ removeChild: function removeChild(oldChild) {
+ if (this.documentElement == oldChild) {
+ this.documentElement = null;
+ }
+
+ return _removeChild(this, oldChild);
+ },
+ // Introduced in DOM Level 2:
+ importNode: function importNode(importedNode, deep) {
+ return _importNode(this, importedNode, deep);
+ },
+ // Introduced in DOM Level 2:
+ getElementById: function getElementById(id) {
+ var rtv = null;
+
+ _visitNode(this.documentElement, function (node) {
+ if (node.nodeType == ELEMENT_NODE) {
+ if (node.getAttribute('id') == id) {
+ rtv = node;
+ return true;
+ }
+ }
+ });
+
+ return rtv;
+ },
+ //document factory method:
+ createElement: function createElement(tagName) {
+ var node = new Element();
+ node.ownerDocument = this;
+ node.nodeName = tagName;
+ node.tagName = tagName;
+ node.childNodes = new NodeList();
+ var attrs = node.attributes = new NamedNodeMap();
+ attrs._ownerElement = node;
+ return node;
+ },
+ createDocumentFragment: function createDocumentFragment() {
+ var node = new DocumentFragment();
+ node.ownerDocument = this;
+ node.childNodes = new NodeList();
+ return node;
+ },
+ createTextNode: function createTextNode(data) {
+ var node = new Text();
+ node.ownerDocument = this;
+ node.appendData(data);
+ return node;
+ },
+ createComment: function createComment(data) {
+ var node = new Comment();
+ node.ownerDocument = this;
+ node.appendData(data);
+ return node;
+ },
+ createCDATASection: function createCDATASection(data) {
+ var node = new CDATASection();
+ node.ownerDocument = this;
+ node.appendData(data);
+ return node;
+ },
+ createProcessingInstruction: function createProcessingInstruction(target, data) {
+ var node = new ProcessingInstruction();
+ node.ownerDocument = this;
+ node.tagName = node.target = target;
+ node.nodeValue = node.data = data;
+ return node;
+ },
+ createAttribute: function createAttribute(name) {
+ var node = new Attr();
+ node.ownerDocument = this;
+ node.name = name;
+ node.nodeName = name;
+ node.localName = name;
+ node.specified = true;
+ return node;
+ },
+ createEntityReference: function createEntityReference(name) {
+ var node = new EntityReference();
+ node.ownerDocument = this;
+ node.nodeName = name;
+ return node;
+ },
+ // Introduced in DOM Level 2:
+ createElementNS: function createElementNS(namespaceURI, qualifiedName) {
+ var node = new Element();
+ var pl = qualifiedName.split(':');
+ var attrs = node.attributes = new NamedNodeMap();
+ node.childNodes = new NodeList();
+ node.ownerDocument = this;
+ node.nodeName = qualifiedName;
+ node.tagName = qualifiedName;
+ node.namespaceURI = namespaceURI;
+
+ if (pl.length == 2) {
+ node.prefix = pl[0];
+ node.localName = pl[1];
+ } else {
+ //el.prefix = null;
+ node.localName = qualifiedName;
+ }
+
+ attrs._ownerElement = node;
+ return node;
+ },
+ // Introduced in DOM Level 2:
+ createAttributeNS: function createAttributeNS(namespaceURI, qualifiedName) {
+ var node = new Attr();
+ var pl = qualifiedName.split(':');
+ node.ownerDocument = this;
+ node.nodeName = qualifiedName;
+ node.name = qualifiedName;
+ node.namespaceURI = namespaceURI;
+ node.specified = true;
+
+ if (pl.length == 2) {
+ node.prefix = pl[0];
+ node.localName = pl[1];
+ } else {
+ //el.prefix = null;
+ node.localName = qualifiedName;
+ }
+
+ return node;
+ }
+ };
+
+ _extends$1(Document, Node);
+
+ function Element() {
+ this._nsMap = {};
+ }
+ Element.prototype = {
+ nodeType: ELEMENT_NODE,
+ hasAttribute: function hasAttribute(name) {
+ return this.getAttributeNode(name) != null;
+ },
+ getAttribute: function getAttribute(name) {
+ var attr = this.getAttributeNode(name);
+ return attr && attr.value || '';
+ },
+ getAttributeNode: function getAttributeNode(name) {
+ return this.attributes.getNamedItem(name);
+ },
+ setAttribute: function setAttribute(name, value) {
+ var attr = this.ownerDocument.createAttribute(name);
+ attr.value = attr.nodeValue = "" + value;
+ this.setAttributeNode(attr);
+ },
+ removeAttribute: function removeAttribute(name) {
+ var attr = this.getAttributeNode(name);
+ attr && this.removeAttributeNode(attr);
+ },
+ //four real opeartion method
+ appendChild: function appendChild(newChild) {
+ if (newChild.nodeType === DOCUMENT_FRAGMENT_NODE) {
+ return this.insertBefore(newChild, null);
+ } else {
+ return _appendSingleChild(this, newChild);
+ }
+ },
+ setAttributeNode: function setAttributeNode(newAttr) {
+ return this.attributes.setNamedItem(newAttr);
+ },
+ setAttributeNodeNS: function setAttributeNodeNS(newAttr) {
+ return this.attributes.setNamedItemNS(newAttr);
+ },
+ removeAttributeNode: function removeAttributeNode(oldAttr) {
+ //console.log(this == oldAttr.ownerElement)
+ return this.attributes.removeNamedItem(oldAttr.nodeName);
+ },
+ //get real attribute name,and remove it by removeAttributeNode
+ removeAttributeNS: function removeAttributeNS(namespaceURI, localName) {
+ var old = this.getAttributeNodeNS(namespaceURI, localName);
+ old && this.removeAttributeNode(old);
+ },
+ hasAttributeNS: function hasAttributeNS(namespaceURI, localName) {
+ return this.getAttributeNodeNS(namespaceURI, localName) != null;
+ },
+ getAttributeNS: function getAttributeNS(namespaceURI, localName) {
+ var attr = this.getAttributeNodeNS(namespaceURI, localName);
+ return attr && attr.value || '';
+ },
+ setAttributeNS: function setAttributeNS(namespaceURI, qualifiedName, value) {
+ var attr = this.ownerDocument.createAttributeNS(namespaceURI, qualifiedName);
+ attr.value = attr.nodeValue = "" + value;
+ this.setAttributeNode(attr);
+ },
+ getAttributeNodeNS: function getAttributeNodeNS(namespaceURI, localName) {
+ return this.attributes.getNamedItemNS(namespaceURI, localName);
+ },
+ getElementsByTagName: function getElementsByTagName(tagName) {
+ return new LiveNodeList(this, function (base) {
+ var ls = [];
+
+ _visitNode(base, function (node) {
+ if (node !== base && node.nodeType == ELEMENT_NODE && (tagName === '*' || node.tagName == tagName)) {
+ ls.push(node);
+ }
+ });
+
+ return ls;
+ });
+ },
+ getElementsByTagNameNS: function getElementsByTagNameNS(namespaceURI, localName) {
+ return new LiveNodeList(this, function (base) {
+ var ls = [];
+
+ _visitNode(base, function (node) {
+ if (node !== base && node.nodeType === ELEMENT_NODE && (namespaceURI === '*' || node.namespaceURI === namespaceURI) && (localName === '*' || node.localName == localName)) {
+ ls.push(node);
+ }
+ });
+
+ return ls;
+ });
+ }
+ };
+ Document.prototype.getElementsByTagName = Element.prototype.getElementsByTagName;
+ Document.prototype.getElementsByTagNameNS = Element.prototype.getElementsByTagNameNS;
+
+ _extends$1(Element, Node);
+
+ function Attr() {}
+ Attr.prototype.nodeType = ATTRIBUTE_NODE;
+
+ _extends$1(Attr, Node);
+
+ function CharacterData() {}
+ CharacterData.prototype = {
+ data: '',
+ substringData: function substringData(offset, count) {
+ return this.data.substring(offset, offset + count);
+ },
+ appendData: function appendData(text) {
+ text = this.data + text;
+ this.nodeValue = this.data = text;
+ this.length = text.length;
+ },
+ insertData: function insertData(offset, text) {
+ this.replaceData(offset, 0, text);
+ },
+ appendChild: function appendChild(newChild) {
+ throw new Error(ExceptionMessage[HIERARCHY_REQUEST_ERR]);
+ },
+ deleteData: function deleteData(offset, count) {
+ this.replaceData(offset, count, "");
+ },
+ replaceData: function replaceData(offset, count, text) {
+ var start = this.data.substring(0, offset);
+ var end = this.data.substring(offset + count);
+ text = start + text + end;
+ this.nodeValue = this.data = text;
+ this.length = text.length;
+ }
+ };
+
+ _extends$1(CharacterData, Node);
+
+ function Text() {}
+ Text.prototype = {
+ nodeName: "#text",
+ nodeType: TEXT_NODE,
+ splitText: function splitText(offset) {
+ var text = this.data;
+ var newText = text.substring(offset);
+ text = text.substring(0, offset);
+ this.data = this.nodeValue = text;
+ this.length = text.length;
+ var newNode = this.ownerDocument.createTextNode(newText);
+
+ if (this.parentNode) {
+ this.parentNode.insertBefore(newNode, this.nextSibling);
+ }
+
+ return newNode;
+ }
+ };
+
+ _extends$1(Text, CharacterData);
+
+ function Comment() {}
+ Comment.prototype = {
+ nodeName: "#comment",
+ nodeType: COMMENT_NODE
+ };
+
+ _extends$1(Comment, CharacterData);
+
+ function CDATASection() {}
+ CDATASection.prototype = {
+ nodeName: "#cdata-section",
+ nodeType: CDATA_SECTION_NODE
+ };
+
+ _extends$1(CDATASection, CharacterData);
+
+ function DocumentType() {}
+ DocumentType.prototype.nodeType = DOCUMENT_TYPE_NODE;
+
+ _extends$1(DocumentType, Node);
+
+ function Notation() {}
+ Notation.prototype.nodeType = NOTATION_NODE;
+
+ _extends$1(Notation, Node);
+
+ function Entity() {}
+ Entity.prototype.nodeType = ENTITY_NODE;
+
+ _extends$1(Entity, Node);
+
+ function EntityReference() {}
+ EntityReference.prototype.nodeType = ENTITY_REFERENCE_NODE;
+
+ _extends$1(EntityReference, Node);
+
+ function DocumentFragment() {}
+ DocumentFragment.prototype.nodeName = "#document-fragment";
+ DocumentFragment.prototype.nodeType = DOCUMENT_FRAGMENT_NODE;
+
+ _extends$1(DocumentFragment, Node);
+
+ function ProcessingInstruction() {}
+
+ ProcessingInstruction.prototype.nodeType = PROCESSING_INSTRUCTION_NODE;
+
+ _extends$1(ProcessingInstruction, Node);
+
+ function XMLSerializer() {}
+
+ XMLSerializer.prototype.serializeToString = function (node, isHtml, nodeFilter) {
+ return nodeSerializeToString.call(node, isHtml, nodeFilter);
+ };
+
+ Node.prototype.toString = nodeSerializeToString;
+
+ function nodeSerializeToString(isHtml, nodeFilter) {
+ var buf = [];
+ var refNode = this.nodeType == 9 ? this.documentElement : this;
+ var prefix = refNode.prefix;
+ var uri = refNode.namespaceURI;
+
+ if (uri && prefix == null) {
+ //console.log(prefix)
+ var prefix = refNode.lookupPrefix(uri);
+
+ if (prefix == null) {
+ //isHTML = true;
+ var visibleNamespaces = [{
+ namespace: uri,
+ prefix: null
+ } //{namespace:uri,prefix:''}
+ ];
+ }
+ }
+
+ serializeToString(this, buf, isHtml, nodeFilter, visibleNamespaces); //console.log('###',this.nodeType,uri,prefix,buf.join(''))
+
+ return buf.join('');
+ }
+
+ function needNamespaceDefine(node, isHTML, visibleNamespaces) {
+ var prefix = node.prefix || '';
+ var uri = node.namespaceURI;
+
+ if (!prefix && !uri) {
+ return false;
+ }
+
+ if (prefix === "xml" && uri === "http://www.w3.org/XML/1998/namespace" || uri == 'http://www.w3.org/2000/xmlns/') {
+ return false;
+ }
+
+ var i = visibleNamespaces.length; //console.log('@@@@',node.tagName,prefix,uri,visibleNamespaces)
+
+ while (i--) {
+ var ns = visibleNamespaces[i]; // get namespace prefix
+ //console.log(node.nodeType,node.tagName,ns.prefix,prefix)
+
+ if (ns.prefix == prefix) {
+ return ns.namespace != uri;
+ }
+ } //console.log(isHTML,uri,prefix=='')
+ //if(isHTML && prefix ==null && uri == 'http://www.w3.org/1999/xhtml'){
+ // return false;
+ //}
+ //node.flag = '11111'
+ //console.error(3,true,node.flag,node.prefix,node.namespaceURI)
+
+
+ return true;
+ }
+
+ function serializeToString(node, buf, isHTML, nodeFilter, visibleNamespaces) {
+ if (nodeFilter) {
+ node = nodeFilter(node);
+
+ if (node) {
+ if (typeof node == 'string') {
+ buf.push(node);
+ return;
+ }
+ } else {
+ return;
+ } //buf.sort.apply(attrs, attributeSorter);
+
+ }
+
+ switch (node.nodeType) {
+ case ELEMENT_NODE:
+ if (!visibleNamespaces) visibleNamespaces = [];
+ var startVisibleNamespaces = visibleNamespaces.length;
+ var attrs = node.attributes;
+ var len = attrs.length;
+ var child = node.firstChild;
+ var nodeName = node.tagName;
+ isHTML = htmlns === node.namespaceURI || isHTML;
+ buf.push('<', nodeName);
+
+ for (var i = 0; i < len; i++) {
+ // add namespaces for attributes
+ var attr = attrs.item(i);
+
+ if (attr.prefix == 'xmlns') {
+ visibleNamespaces.push({
+ prefix: attr.localName,
+ namespace: attr.value
+ });
+ } else if (attr.nodeName == 'xmlns') {
+ visibleNamespaces.push({
+ prefix: '',
+ namespace: attr.value
+ });
+ }
+ }
+
+ for (var i = 0; i < len; i++) {
+ var attr = attrs.item(i);
+
+ if (needNamespaceDefine(attr, isHTML, visibleNamespaces)) {
+ var prefix = attr.prefix || '';
+ var uri = attr.namespaceURI;
+ var ns = prefix ? ' xmlns:' + prefix : " xmlns";
+ buf.push(ns, '="', uri, '"');
+ visibleNamespaces.push({
+ prefix: prefix,
+ namespace: uri
+ });
+ }
+
+ serializeToString(attr, buf, isHTML, nodeFilter, visibleNamespaces);
+ } // add namespace for current node
+
+
+ if (needNamespaceDefine(node, isHTML, visibleNamespaces)) {
+ var prefix = node.prefix || '';
+ var uri = node.namespaceURI;
+ var ns = prefix ? ' xmlns:' + prefix : " xmlns";
+ buf.push(ns, '="', uri, '"');
+ visibleNamespaces.push({
+ prefix: prefix,
+ namespace: uri
+ });
+ }
+
+ if (child || isHTML && !/^(?:meta|link|img|br|hr|input)$/i.test(nodeName)) {
+ buf.push('>'); //if is cdata child node
+
+ if (isHTML && /^script$/i.test(nodeName)) {
+ while (child) {
+ if (child.data) {
+ buf.push(child.data);
+ } else {
+ serializeToString(child, buf, isHTML, nodeFilter, visibleNamespaces);
+ }
+
+ child = child.nextSibling;
+ }
+ } else {
+ while (child) {
+ serializeToString(child, buf, isHTML, nodeFilter, visibleNamespaces);
+ child = child.nextSibling;
+ }
+ }
+
+ buf.push('</', nodeName, '>');
+ } else {
+ buf.push('/>');
+ } // remove added visible namespaces
+ //visibleNamespaces.length = startVisibleNamespaces;
+
+
+ return;
+
+ case DOCUMENT_NODE:
+ case DOCUMENT_FRAGMENT_NODE:
+ var child = node.firstChild;
+
+ while (child) {
+ serializeToString(child, buf, isHTML, nodeFilter, visibleNamespaces);
+ child = child.nextSibling;
+ }
+
+ return;
+
+ case ATTRIBUTE_NODE:
+ return buf.push(' ', node.name, '="', node.value.replace(/[<&"]/g, _xmlEncoder), '"');
+
+ case TEXT_NODE:
+ return buf.push(node.data.replace(/[<&]/g, _xmlEncoder));
+
+ case CDATA_SECTION_NODE:
+ return buf.push('<![CDATA[', node.data, ']]>');
+
+ case COMMENT_NODE:
+ return buf.push("<!--", node.data, "-->");
+
+ case DOCUMENT_TYPE_NODE:
+ var pubid = node.publicId;
+ var sysid = node.systemId;
+ buf.push('<!DOCTYPE ', node.name);
+
+ if (pubid) {
+ buf.push(' PUBLIC "', pubid);
+
+ if (sysid && sysid != '.') {
+ buf.push('" "', sysid);
+ }
+
+ buf.push('">');
+ } else if (sysid && sysid != '.') {
+ buf.push(' SYSTEM "', sysid, '">');
+ } else {
+ var sub = node.internalSubset;
+
+ if (sub) {
+ buf.push(" [", sub, "]");
+ }
+
+ buf.push(">");
+ }
+
+ return;
+
+ case PROCESSING_INSTRUCTION_NODE:
+ return buf.push("<?", node.target, " ", node.data, "?>");
+
+ case ENTITY_REFERENCE_NODE:
+ return buf.push('&', node.nodeName, ';');
+ //case ENTITY_NODE:
+ //case NOTATION_NODE:
+
+ default:
+ buf.push('??', node.nodeName);
+ }
+ }
+
+ function _importNode(doc, node, deep) {
+ var node2;
+
+ switch (node.nodeType) {
+ case ELEMENT_NODE:
+ node2 = node.cloneNode(false);
+ node2.ownerDocument = doc;
+ //var attrs = node2.attributes;
+ //var len = attrs.length;
+ //for(var i=0;i<len;i++){
+ //node2.setAttributeNodeNS(importNode(doc,attrs.item(i),deep));
+ //}
+
+ case DOCUMENT_FRAGMENT_NODE:
+ break;
+
+ case ATTRIBUTE_NODE:
+ deep = true;
+ break;
+ //case ENTITY_REFERENCE_NODE:
+ //case PROCESSING_INSTRUCTION_NODE:
+ ////case TEXT_NODE:
+ //case CDATA_SECTION_NODE:
+ //case COMMENT_NODE:
+ // deep = false;
+ // break;
+ //case DOCUMENT_NODE:
+ //case DOCUMENT_TYPE_NODE:
+ //cannot be imported.
+ //case ENTITY_NODE:
+ //case NOTATION_NODE：
+ //can not hit in level3
+ //default:throw e;
+ }
+
+ if (!node2) {
+ node2 = node.cloneNode(false); //false
+ }
+
+ node2.ownerDocument = doc;
+ node2.parentNode = null;
+
+ if (deep) {
+ var child = node.firstChild;
+
+ while (child) {
+ node2.appendChild(_importNode(doc, child, deep));
+ child = child.nextSibling;
+ }
+ }
+
+ return node2;
+ } //
+ //var _relationMap = {firstChild:1,lastChild:1,previousSibling:1,nextSibling:1,
+ // attributes:1,childNodes:1,parentNode:1,documentElement:1,doctype,};
+
+
+ function _cloneNode(doc, node, deep) {
+ var node2 = new node.constructor();
+
+ for (var n in node) {
+ var v = node[n];
+
+ if (typeof v != 'object') {
+ if (v != node2[n]) {
+ node2[n] = v;
+ }
+ }
+ }
+
+ if (node.childNodes) {
+ node2.childNodes = new NodeList();
+ }
+
+ node2.ownerDocument = doc;
+
+ switch (node2.nodeType) {
+ case ELEMENT_NODE:
+ var attrs = node.attributes;
+ var attrs2 = node2.attributes = new NamedNodeMap();
+ var len = attrs.length;
+ attrs2._ownerElement = node2;
+
+ for (var i = 0; i < len; i++) {
+ node2.setAttributeNode(_cloneNode(doc, attrs.item(i), true));
+ }
+
+ break;
+
+ case ATTRIBUTE_NODE:
+ deep = true;
+ }
+
+ if (deep) {
+ var child = node.firstChild;
+
+ while (child) {
+ node2.appendChild(_cloneNode(doc, child, deep));
+ child = child.nextSibling;
+ }
+ }
+
+ return node2;
+ }
+
+ function __set__(object, key, value) {
+ object[key] = value;
+ } //do dynamic
+
+
+ try {
+ if (Object.defineProperty) {
+ var getTextContent = function getTextContent(node) {
+ switch (node.nodeType) {
+ case ELEMENT_NODE:
+ case DOCUMENT_FRAGMENT_NODE:
+ var buf = [];
+ node = node.firstChild;
+
+ while (node) {
+ if (node.nodeType !== 7 && node.nodeType !== 8) {
+ buf.push(getTextContent(node));
+ }
+
+ node = node.nextSibling;
+ }
+
+ return buf.join('');
+
+ default:
+ return node.nodeValue;
+ }
+ };
+
+ Object.defineProperty(LiveNodeList.prototype, 'length', {
+ get: function get() {
+ _updateLiveList(this);
+
+ return this.$$length;
+ }
+ });
+ Object.defineProperty(Node.prototype, 'textContent', {
+ get: function get() {
+ return getTextContent(this);
+ },
+ set: function set(data) {
+ switch (this.nodeType) {
+ case ELEMENT_NODE:
+ case DOCUMENT_FRAGMENT_NODE:
+ while (this.firstChild) {
+ this.removeChild(this.firstChild);
+ }
+
+ if (data || String(data)) {
+ this.appendChild(this.ownerDocument.createTextNode(data));
+ }
+
+ break;
+
+ default:
+ //TODO:
+ this.data = data;
+ this.value = data;
+ this.nodeValue = data;
+ }
+ }
+ });
+
+ __set__ = function __set__(object, key, value) {
+ //console.log(value)
+ object['$$' + key] = value;
+ };
+ }
+ } catch (e) {} //ie8
+ //if(typeof require == 'function'){
+
+
+ var DOMImplementation_1 = DOMImplementation;
+ var XMLSerializer_1 = XMLSerializer; //}
+
+ var dom = {
+ DOMImplementation: DOMImplementation_1,
+ XMLSerializer: XMLSerializer_1
+ };
+
+ var domParser = createCommonjsModule(function (module, exports) {
+ function DOMParser(options) {
+ this.options = options || {
+ locator: {}
+ };
+ }
+
+ DOMParser.prototype.parseFromString = function (source, mimeType) {
+ var options = this.options;
+ var sax = new XMLReader();
+ var domBuilder = options.domBuilder || new DOMHandler(); //contentHandler and LexicalHandler
+
+ var errorHandler = options.errorHandler;
+ var locator = options.locator;
+ var defaultNSMap = options.xmlns || {};
+ var entityMap = {
+ 'lt': '<',
+ 'gt': '>',
+ 'amp': '&',
+ 'quot': '"',
+ 'apos': "'"
+ };
+
+ if (locator) {
+ domBuilder.setDocumentLocator(locator);
+ }
+
+ sax.errorHandler = buildErrorHandler(errorHandler, domBuilder, locator);
+ sax.domBuilder = options.domBuilder || domBuilder;
+
+ if (/\/x?html?$/.test(mimeType)) {
+ entityMap.nbsp = '\xa0';
+ entityMap.copy = '\xa9';
+ defaultNSMap[''] = 'http://www.w3.org/1999/xhtml';
+ }
+
+ defaultNSMap.xml = defaultNSMap.xml || 'http://www.w3.org/XML/1998/namespace';
+
+ if (source) {
+ sax.parse(source, defaultNSMap, entityMap);
+ } else {
+ sax.errorHandler.error("invalid doc source");
+ }
+
+ return domBuilder.doc;
+ };
+
+ function buildErrorHandler(errorImpl, domBuilder, locator) {
+ if (!errorImpl) {
+ if (domBuilder instanceof DOMHandler) {
+ return domBuilder;
+ }
+
+ errorImpl = domBuilder;
+ }
+
+ var errorHandler = {};
+ var isCallback = errorImpl instanceof Function;
+ locator = locator || {};
+
+ function build(key) {
+ var fn = errorImpl[key];
+
+ if (!fn && isCallback) {
+ fn = errorImpl.length == 2 ? function (msg) {
+ errorImpl(key, msg);
+ } : errorImpl;
+ }
+
+ errorHandler[key] = fn && function (msg) {
+ fn('[xmldom ' + key + ']\t' + msg + _locator(locator));
+ } || function () {};
+ }
+
+ build('warning');
+ build('error');
+ build('fatalError');
+ return errorHandler;
+ } //console.log('#\n\n\n\n\n\n\n####')
+
+ /**\r
+ * +ContentHandler+ErrorHandler\r
+ * +LexicalHandler+EntityResolver2\r
+ * -DeclHandler-DTDHandler \r
+ * \r
+ * DefaultHandler:EntityResolver, DTDHandler, ContentHandler, ErrorHandler\r
+ * DefaultHandler2:DefaultHandler,LexicalHandler, DeclHandler, EntityResolver2\r
+ * @link http://www.saxproject.org/apidoc/org/xml/sax/helpers/DefaultHandler.html\r
+ */
+
+
+ function DOMHandler() {
+ this.cdata = false;
+ }
+
+ function position(locator, node) {
+ node.lineNumber = locator.lineNumber;
+ node.columnNumber = locator.columnNumber;
+ }
+ /**\r
+ * @see org.xml.sax.ContentHandler#startDocument\r
+ * @link http://www.saxproject.org/apidoc/org/xml/sax/ContentHandler.html\r
+ */
+
+
+ DOMHandler.prototype = {
+ startDocument: function startDocument() {
+ this.doc = new DOMImplementation().createDocument(null, null, null);
+
+ if (this.locator) {
+ this.doc.documentURI = this.locator.systemId;
+ }
+ },
+ startElement: function startElement(namespaceURI, localName, qName, attrs) {
+ var doc = this.doc;
+ var el = doc.createElementNS(namespaceURI, qName || localName);
+ var len = attrs.length;
+ appendElement(this, el);
+ this.currentElement = el;
+ this.locator && position(this.locator, el);
+
+ for (var i = 0; i < len; i++) {
+ var namespaceURI = attrs.getURI(i);
+ var value = attrs.getValue(i);
+ var qName = attrs.getQName(i);
+ var attr = doc.createAttributeNS(namespaceURI, qName);
+ this.locator && position(attrs.getLocator(i), attr);
+ attr.value = attr.nodeValue = value;
+ el.setAttributeNode(attr);
+ }
+ },
+ endElement: function endElement(namespaceURI, localName, qName) {
+ var current = this.currentElement;
+ var tagName = current.tagName;
+ this.currentElement = current.parentNode;
+ },
+ startPrefixMapping: function startPrefixMapping(prefix, uri) {},
+ endPrefixMapping: function endPrefixMapping(prefix) {},
+ processingInstruction: function processingInstruction(target, data) {
+ var ins = this.doc.createProcessingInstruction(target, data);
+ this.locator && position(this.locator, ins);
+ appendElement(this, ins);
+ },
+ ignorableWhitespace: function ignorableWhitespace(ch, start, length) {},
+ characters: function characters(chars, start, length) {
+ chars = _toString.apply(this, arguments); //console.log(chars)
+
+ if (chars) {
+ if (this.cdata) {
+ var charNode = this.doc.createCDATASection(chars);
+ } else {
+ var charNode = this.doc.createTextNode(chars);
+ }
+
+ if (this.currentElement) {
+ this.currentElement.appendChild(charNode);
+ } else if (/^\s*$/.test(chars)) {
+ this.doc.appendChild(charNode); //process xml
+ }
+
+ this.locator && position(this.locator, charNode);
+ }
+ },
+ skippedEntity: function skippedEntity(name) {},
+ endDocument: function endDocument() {
+ this.doc.normalize();
+ },
+ setDocumentLocator: function setDocumentLocator(locator) {
+ if (this.locator = locator) {
+ // && !('lineNumber' in locator)){
+ locator.lineNumber = 0;
+ }
+ },
+ //LexicalHandler
+ comment: function comment(chars, start, length) {
+ chars = _toString.apply(this, arguments);
+ var comm = this.doc.createComment(chars);
+ this.locator && position(this.locator, comm);
+ appendElement(this, comm);
+ },
+ startCDATA: function startCDATA() {
+ //used in characters() methods
+ this.cdata = true;
+ },
+ endCDATA: function endCDATA() {
+ this.cdata = false;
+ },
+ startDTD: function startDTD(name, publicId, systemId) {
+ var impl = this.doc.implementation;
+
+ if (impl && impl.createDocumentType) {
+ var dt = impl.createDocumentType(name, publicId, systemId);
+ this.locator && position(this.locator, dt);
+ appendElement(this, dt);
+ }
+ },
+
+ /**\r
+ * @see org.xml.sax.ErrorHandler\r
+ * @link http://www.saxproject.org/apidoc/org/xml/sax/ErrorHandler.html\r
+ */
+ warning: function warning(error) {
+ console.warn('[xmldom warning]\t' + error, _locator(this.locator));
+ },
+ error: function error(_error) {
+ console.error('[xmldom error]\t' + _error, _locator(this.locator));
+ },
+ fatalError: function fatalError(error) {
+ console.error('[xmldom fatalError]\t' + error, _locator(this.locator));
+ throw error;
+ }
+ };
+
+ function _locator(l) {
+ if (l) {
+ return '\n@' + (l.systemId || '') + '#[line:' + l.lineNumber + ',col:' + l.columnNumber + ']';
+ }
+ }
+
+ function _toString(chars, start, length) {
+ if (typeof chars == 'string') {
+ return chars.substr(start, length);
+ } else {
+ //java sax connect width xmldom on rhino(what about: "? && !(chars instanceof String)")
+ if (chars.length >= start + length || start) {
+ return new java.lang.String(chars, start, length) + '';
+ }
+
+ return chars;
+ }
+ }
+ /*\r
+ * @link http://www.saxproject.org/apidoc/org/xml/sax/ext/LexicalHandler.html\r
+ * used method of org.xml.sax.ext.LexicalHandler:\r
+ * #comment(chars, start, length)\r
+ * #startCDATA()\r
+ * #endCDATA()\r
+ * #startDTD(name, publicId, systemId)\r
+ *\r
+ *\r
+ * IGNORED method of org.xml.sax.ext.LexicalHandler:\r
+ * #endDTD()\r
+ * #startEntity(name)\r
+ * #endEntity(name)\r
+ *\r
+ *\r
+ * @link http://www.saxproject.org/apidoc/org/xml/sax/ext/DeclHandler.html\r
+ * IGNORED method of org.xml.sax.ext.DeclHandler\r
+ * #attributeDecl(eName, aName, type, mode, value)\r
+ * #elementDecl(name, model)\r
+ * #externalEntityDecl(name, publicId, systemId)\r
+ * #internalEntityDecl(name, value)\r
+ * @link http://www.saxproject.org/apidoc/org/xml/sax/ext/EntityResolver2.html\r
+ * IGNORED method of org.xml.sax.EntityResolver2\r
+ * #resolveEntity(String name,String publicId,String baseURI,String systemId)\r
+ * #resolveEntity(publicId, systemId)\r
+ * #getExternalSubset(name, baseURI)\r
+ * @link http://www.saxproject.org/apidoc/org/xml/sax/DTDHandler.html\r
+ * IGNORED method of org.xml.sax.DTDHandler\r
+ * #notationDecl(name, publicId, systemId) {};\r
+ * #unparsedEntityDecl(name, publicId, systemId, notationName) {};\r
+ */
+
+
+ "endDTD,startEntity,endEntity,attributeDecl,elementDecl,externalEntityDecl,internalEntityDecl,resolveEntity,getExternalSubset,notationDecl,unparsedEntityDecl".replace(/\w+/g, function (key) {
+ DOMHandler.prototype[key] = function () {
+ return null;
+ };
+ });
+ /* Private static helpers treated below as private instance methods, so don't need to add these to the public API; we might use a Relator to also get rid of non-standard public properties */
+
+ function appendElement(hander, node) {
+ if (!hander.currentElement) {
+ hander.doc.appendChild(node);
+ } else {
+ hander.currentElement.appendChild(node);
+ }
+ } //appendChild and setAttributeNS are preformance key
+ //if(typeof require == 'function'){
+
+
+ var XMLReader = sax.XMLReader;
+ var DOMImplementation = exports.DOMImplementation = dom.DOMImplementation;
+ exports.XMLSerializer = dom.XMLSerializer;
+ exports.DOMParser = DOMParser; //}
+ });
+ var domParser_1 = domParser.DOMImplementation;
+ var domParser_2 = domParser.XMLSerializer;
+ var domParser_3 = domParser.DOMParser;
+
+ /*! @name mpd-parser @version 0.10.0 @license Apache-2.0 */
+
+ var isObject$1 = function isObject(obj) {
+ return !!obj && typeof obj === 'object';
+ };
+
+ var merge = function merge() {
+ for (var _len = arguments.length, objects = new Array(_len), _key = 0; _key < _len; _key++) {
+ objects[_key] = arguments[_key];
+ }
+
+ return objects.reduce(function (result, source) {
+ Object.keys(source).forEach(function (key) {
+ if (Array.isArray(result[key]) && Array.isArray(source[key])) {
+ result[key] = result[key].concat(source[key]);
+ } else if (isObject$1(result[key]) && isObject$1(source[key])) {
+ result[key] = merge(result[key], source[key]);
+ } else {
+ result[key] = source[key];
+ }
+ });
+ return result;
+ }, {});
+ };
+
+ var values = function values(o) {
+ return Object.keys(o).map(function (k) {
+ return o[k];
+ });
+ };
+
+ var range = function range(start, end) {
+ var result = [];
+
+ for (var i = start; i < end; i++) {
+ result.push(i);
+ }
+
+ return result;
+ };
+
+ var flatten = function flatten(lists) {
+ return lists.reduce(function (x, y) {
+ return x.concat(y);
+ }, []);
+ };
+
+ var from = function from(list) {
+ if (!list.length) {
+ return [];
+ }
+
+ var result = [];
+
+ for (var i = 0; i < list.length; i++) {
+ result.push(list[i]);
+ }
+
+ return result;
+ };
+
+ var findIndexes = function findIndexes(l, key) {
+ return l.reduce(function (a, e, i) {
+ if (e[key]) {
+ a.push(i);
+ }
+
+ return a;
+ }, []);
+ };
+
+ var errors = {
+ INVALID_NUMBER_OF_PERIOD: 'INVALID_NUMBER_OF_PERIOD',
+ DASH_EMPTY_MANIFEST: 'DASH_EMPTY_MANIFEST',
+ DASH_INVALID_XML: 'DASH_INVALID_XML',
+ NO_BASE_URL: 'NO_BASE_URL',
+ MISSING_SEGMENT_INFORMATION: 'MISSING_SEGMENT_INFORMATION',
+ SEGMENT_TIME_UNSPECIFIED: 'SEGMENT_TIME_UNSPECIFIED',
+ UNSUPPORTED_UTC_TIMING_SCHEME: 'UNSUPPORTED_UTC_TIMING_SCHEME'
+ };
+ /**
+ * @typedef {Object} SingleUri
+ * @property {string} uri - relative location of segment
+ * @property {string} resolvedUri - resolved location of segment
+ * @property {Object} byterange - Object containing information on how to make byte range
+ * requests following byte-range-spec per RFC2616.
+ * @property {String} byterange.length - length of range request
+ * @property {String} byterange.offset - byte offset of range request
+ *
+ * @see https://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.35.1
+ */
+
+ /**
+ * Converts a URLType node (5.3.9.2.3 Table 13) to a segment object
+ * that conforms to how m3u8-parser is structured
+ *
+ * @see https://github.com/videojs/m3u8-parser
+ *
+ * @param {string} baseUrl - baseUrl provided by <BaseUrl> nodes
+ * @param {string} source - source url for segment
+ * @param {string} range - optional range used for range calls,
+ * follows RFC 2616, Clause 14.35.1
+ * @return {SingleUri} full segment information transformed into a format similar
+ * to m3u8-parser
+ */
+
+ var urlTypeToSegment = function urlTypeToSegment(_ref) {
+ var _ref$baseUrl = _ref.baseUrl,
+ baseUrl = _ref$baseUrl === void 0 ? '' : _ref$baseUrl,
+ _ref$source = _ref.source,
+ source = _ref$source === void 0 ? '' : _ref$source,
+ _ref$range = _ref.range,
+ range = _ref$range === void 0 ? '' : _ref$range,
+ _ref$indexRange = _ref.indexRange,
+ indexRange = _ref$indexRange === void 0 ? '' : _ref$indexRange;
+ var segment = {
+ uri: source,
+ resolvedUri: resolveUrl_1(baseUrl || '', source)
+ };
+
+ if (range || indexRange) {
+ var rangeStr = range ? range : indexRange;
+ var ranges = rangeStr.split('-');
+ var startRange = parseInt(ranges[0], 10);
+ var endRange = parseInt(ranges[1], 10); // byterange should be inclusive according to
+ // RFC 2616, Clause 14.35.1
+
+ segment.byterange = {
+ length: endRange - startRange + 1,
+ offset: startRange
+ };
+ }
+
+ return segment;
+ };
+
+ var byteRangeToString = function byteRangeToString(byterange) {
+ // `endRange` is one less than `offset + length` because the HTTP range
+ // header uses inclusive ranges
+ var endRange = byterange.offset + byterange.length - 1;
+ return byterange.offset + "-" + endRange;
+ };
+ /**
+ * Functions for calculating the range of available segments in static and dynamic
+ * manifests.
+ */
+
+
+ var segmentRange = {
+ /**
+ * Returns the entire range of available segments for a static MPD
+ *
+ * @param {Object} attributes
+ * Inheritied MPD attributes
+ * @return {{ start: number, end: number }}
+ * The start and end numbers for available segments
+ */
+ "static": function _static(attributes) {
+ var duration = attributes.duration,
+ _attributes$timescale = attributes.timescale,
+ timescale = _attributes$timescale === void 0 ? 1 : _attributes$timescale,
+ sourceDuration = attributes.sourceDuration;
+ return {
+ start: 0,
+ end: Math.ceil(sourceDuration / (duration / timescale))
+ };
+ },
+
+ /**
+ * Returns the current live window range of available segments for a dynamic MPD
+ *
+ * @param {Object} attributes
+ * Inheritied MPD attributes
+ * @return {{ start: number, end: number }}
+ * The start and end numbers for available segments
+ */
+ dynamic: function dynamic(attributes) {
+ var NOW = attributes.NOW,
+ clientOffset = attributes.clientOffset,
+ availabilityStartTime = attributes.availabilityStartTime,
+ _attributes$timescale2 = attributes.timescale,
+ timescale = _attributes$timescale2 === void 0 ? 1 : _attributes$timescale2,
+ duration = attributes.duration,
+ _attributes$start = attributes.start,
+ start = _attributes$start === void 0 ? 0 : _attributes$start,
+ _attributes$minimumUp = attributes.minimumUpdatePeriod,
+ minimumUpdatePeriod = _attributes$minimumUp === void 0 ? 0 : _attributes$minimumUp,
+ _attributes$timeShift = attributes.timeShiftBufferDepth,
+ timeShiftBufferDepth = _attributes$timeShift === void 0 ? Infinity : _attributes$timeShift;
+ var now = (NOW + clientOffset) / 1000;
+ var periodStartWC = availabilityStartTime + start;
+ var periodEndWC = now + minimumUpdatePeriod;
+ var periodDuration = periodEndWC - periodStartWC;
+ var segmentCount = Math.ceil(periodDuration * timescale / duration);
+ var availableStart = Math.floor((now - periodStartWC - timeShiftBufferDepth) * timescale / duration);
+ var availableEnd = Math.floor((now - periodStartWC) * timescale / duration);
+ return {
+ start: Math.max(0, availableStart),
+ end: Math.min(segmentCount, availableEnd)
+ };
+ }
+ };
+ /**
+ * Maps a range of numbers to objects with information needed to build the corresponding
+ * segment list
+ *
+ * @name toSegmentsCallback
+ * @function
+ * @param {number} number
+ * Number of the segment
+ * @param {number} index
+ * Index of the number in the range list
+ * @return {{ number: Number, duration: Number, timeline: Number, time: Number }}
+ * Object with segment timing and duration info
+ */
+
+ /**
+ * Returns a callback for Array.prototype.map for mapping a range of numbers to
+ * information needed to build the segment list.
+ *
+ * @param {Object} attributes
+ * Inherited MPD attributes
+ * @return {toSegmentsCallback}
+ * Callback map function
+ */
+
+ var toSegments = function toSegments(attributes) {
+ return function (number, index) {
+ var duration = attributes.duration,
+ _attributes$timescale3 = attributes.timescale,
+ timescale = _attributes$timescale3 === void 0 ? 1 : _attributes$timescale3,
+ periodIndex = attributes.periodIndex,
+ _attributes$startNumb = attributes.startNumber,
+ startNumber = _attributes$startNumb === void 0 ? 1 : _attributes$startNumb;
+ return {
+ number: startNumber + number,
+ duration: duration / timescale,
+ timeline: periodIndex,
+ time: index * duration
+ };
+ };
+ };
+ /**
+ * Returns a list of objects containing segment timing and duration info used for
+ * building the list of segments. This uses the @duration attribute specified
+ * in the MPD manifest to derive the range of segments.
+ *
+ * @param {Object} attributes
+ * Inherited MPD attributes
+ * @return {{number: number, duration: number, time: number, timeline: number}[]}
+ * List of Objects with segment timing and duration info
+ */
+
+
+ var parseByDuration = function parseByDuration(attributes) {
+ var _attributes$type = attributes.type,
+ type = _attributes$type === void 0 ? 'static' : _attributes$type,
+ duration = attributes.duration,
+ _attributes$timescale4 = attributes.timescale,
+ timescale = _attributes$timescale4 === void 0 ? 1 : _attributes$timescale4,
+ sourceDuration = attributes.sourceDuration;
+
+ var _segmentRange$type = segmentRange[type](attributes),
+ start = _segmentRange$type.start,
+ end = _segmentRange$type.end;
+
+ var segments = range(start, end).map(toSegments(attributes));
+
+ if (type === 'static') {
+ var index = segments.length - 1; // final segment may be less than full segment duration
+
+ segments[index].duration = sourceDuration - duration / timescale * index;
+ }
+
+ return segments;
+ };
+ /**
+ * Translates SegmentBase into a set of segments.
+ * (DASH SPEC Section 5.3.9.3.2) contains a set of <SegmentURL> nodes. Each
+ * node should be translated into segment.
+ *
+ * @param {Object} attributes
+ * Object containing all inherited attributes from parent elements with attribute
+ * names as keys
+ * @return {Object.<Array>} list of segments
+ */
+
+
+ var segmentsFromBase = function segmentsFromBase(attributes) {
+ var baseUrl = attributes.baseUrl,
+ _attributes$initializ = attributes.initialization,
+ initialization = _attributes$initializ === void 0 ? {} : _attributes$initializ,
+ sourceDuration = attributes.sourceDuration,
+ _attributes$timescale = attributes.timescale,
+ timescale = _attributes$timescale === void 0 ? 1 : _attributes$timescale,
+ _attributes$indexRang = attributes.indexRange,
+ indexRange = _attributes$indexRang === void 0 ? '' : _attributes$indexRang,
+ duration = attributes.duration; // base url is required for SegmentBase to work, per spec (Section 5.3.9.2.1)
+
+ if (!baseUrl) {
+ throw new Error(errors.NO_BASE_URL);
+ }
+
+ var initSegment = urlTypeToSegment({
+ baseUrl: baseUrl,
+ source: initialization.sourceURL,
+ range: initialization.range
+ });
+ var segment = urlTypeToSegment({
+ baseUrl: baseUrl,
+ source: baseUrl,
+ indexRange: indexRange
+ });
+ segment.map = initSegment; // If there is a duration, use it, otherwise use the given duration of the source
+ // (since SegmentBase is only for one total segment)
+
+ if (duration) {
+ var segmentTimeInfo = parseByDuration(attributes);
+
+ if (segmentTimeInfo.length) {
+ segment.duration = segmentTimeInfo[0].duration;
+ segment.timeline = segmentTimeInfo[0].timeline;
+ }
+ } else if (sourceDuration) {
+ segment.duration = sourceDuration / timescale;
+ segment.timeline = 0;
+ } // This is used for mediaSequence
+
+
+ segment.number = 0;
+ return [segment];
+ };
+ /**
+ * Given a playlist, a sidx box, and a baseUrl, update the segment list of the playlist
+ * according to the sidx information given.
+ *
+ * playlist.sidx has metadadata about the sidx where-as the sidx param
+ * is the parsed sidx box itself.
+ *
+ * @param {Object} playlist the playlist to update the sidx information for
+ * @param {Object} sidx the parsed sidx box
+ * @return {Object} the playlist object with the updated sidx information
+ */
+
+
+ var addSegmentsToPlaylist = function addSegmentsToPlaylist(playlist, sidx, baseUrl) {
+ // Retain init segment information
+ var initSegment = playlist.sidx.map ? playlist.sidx.map : null; // Retain source duration from initial master manifest parsing
+
+ var sourceDuration = playlist.sidx.duration; // Retain source timeline
+
+ var timeline = playlist.timeline || 0;
+ var sidxByteRange = playlist.sidx.byterange;
+ var sidxEnd = sidxByteRange.offset + sidxByteRange.length; // Retain timescale of the parsed sidx
+
+ var timescale = sidx.timescale; // referenceType 1 refers to other sidx boxes
+
+ var mediaReferences = sidx.references.filter(function (r) {
+ return r.referenceType !== 1;
+ });
+ var segments = []; // firstOffset is the offset from the end of the sidx box
+
+ var startIndex = sidxEnd + sidx.firstOffset;
+
+ for (var i = 0; i < mediaReferences.length; i++) {
+ var reference = sidx.references[i]; // size of the referenced (sub)segment
+
+ var size = reference.referencedSize; // duration of the referenced (sub)segment, in the timescale
+ // this will be converted to seconds when generating segments
+
+ var duration = reference.subsegmentDuration; // should be an inclusive range
+
+ var endIndex = startIndex + size - 1;
+ var indexRange = startIndex + "-" + endIndex;
+ var attributes = {
+ baseUrl: baseUrl,
+ timescale: timescale,
+ timeline: timeline,
+ // this is used in parseByDuration
+ periodIndex: timeline,
+ duration: duration,
+ sourceDuration: sourceDuration,
+ indexRange: indexRange
+ };
+ var segment = segmentsFromBase(attributes)[0];
+
+ if (initSegment) {
+ segment.map = initSegment;
+ }
+
+ segments.push(segment);
+ startIndex += size;
+ }
+
+ playlist.segments = segments;
+ return playlist;
+ };
+
+ var mergeDiscontiguousPlaylists = function mergeDiscontiguousPlaylists(playlists) {
+ var mergedPlaylists = values(playlists.reduce(function (acc, playlist) {
+ // assuming playlist IDs are the same across periods
+ // TODO: handle multiperiod where representation sets are not the same
+ // across periods
+ var name = playlist.attributes.id + (playlist.attributes.lang || ''); // Periods after first
+
+ if (acc[name]) {
+ var _acc$name$segments; // first segment of subsequent periods signal a discontinuity
+
+
+ if (playlist.segments[0]) {
+ playlist.segments[0].discontinuity = true;
+ }
+
+ (_acc$name$segments = acc[name].segments).push.apply(_acc$name$segments, playlist.segments); // bubble up contentProtection, this assumes all DRM content
+ // has the same contentProtection
+
+
+ if (playlist.attributes.contentProtection) {
+ acc[name].attributes.contentProtection = playlist.attributes.contentProtection;
+ }
+ } else {
+ // first Period
+ acc[name] = playlist;
+ }
+
+ return acc;
+ }, {}));
+ return mergedPlaylists.map(function (playlist) {
+ playlist.discontinuityStarts = findIndexes(playlist.segments, 'discontinuity');
+ return playlist;
+ });
+ };
+
+ var addSegmentInfoFromSidx = function addSegmentInfoFromSidx(playlists, sidxMapping) {
+ if (sidxMapping === void 0) {
+ sidxMapping = {};
+ }
+
+ if (!Object.keys(sidxMapping).length) {
+ return playlists;
+ }
+
+ for (var i in playlists) {
+ var playlist = playlists[i];
+
+ if (!playlist.sidx) {
+ continue;
+ }
+
+ var sidxKey = playlist.sidx.uri + '-' + byteRangeToString(playlist.sidx.byterange);
+ var sidxMatch = sidxMapping[sidxKey] && sidxMapping[sidxKey].sidx;
+
+ if (playlist.sidx && sidxMatch) {
+ addSegmentsToPlaylist(playlist, sidxMatch, playlist.sidx.resolvedUri);
+ }
+ }
+
+ return playlists;
+ };
+
+ var formatAudioPlaylist = function formatAudioPlaylist(_ref) {
+ var _attributes;
+
+ var attributes = _ref.attributes,
+ segments = _ref.segments,
+ sidx = _ref.sidx;
+ var playlist = {
+ attributes: (_attributes = {
+ NAME: attributes.id,
+ BANDWIDTH: attributes.bandwidth,
+ CODECS: attributes.codecs
+ }, _attributes['PROGRAM-ID'] = 1, _attributes),
+ uri: '',
+ endList: (attributes.type || 'static') === 'static',
+ timeline: attributes.periodIndex,
+ resolvedUri: '',
+ targetDuration: attributes.duration,
+ segments: segments,
+ mediaSequence: segments.length ? segments[0].number : 1
+ };
+
+ if (attributes.contentProtection) {
+ playlist.contentProtection = attributes.contentProtection;
+ }
+
+ if (sidx) {
+ playlist.sidx = sidx;
+ }
+
+ return playlist;
+ };
+
+ var formatVttPlaylist = function formatVttPlaylist(_ref2) {
+ var _attributes2;
+
+ var attributes = _ref2.attributes,
+ segments = _ref2.segments;
+
+ if (typeof segments === 'undefined') {
+ // vtt tracks may use single file in BaseURL
+ segments = [{
+ uri: attributes.baseUrl,
+ timeline: attributes.periodIndex,
+ resolvedUri: attributes.baseUrl || '',
+ duration: attributes.sourceDuration,
+ number: 0
+ }]; // targetDuration should be the same duration as the only segment
+
+ attributes.duration = attributes.sourceDuration;
+ }
+
+ return {
+ attributes: (_attributes2 = {
+ NAME: attributes.id,
+ BANDWIDTH: attributes.bandwidth
+ }, _attributes2['PROGRAM-ID'] = 1, _attributes2),
+ uri: '',
+ endList: (attributes.type || 'static') === 'static',
+ timeline: attributes.periodIndex,
+ resolvedUri: attributes.baseUrl || '',
+ targetDuration: attributes.duration,
+ segments: segments,
+ mediaSequence: segments.length ? segments[0].number : 1
+ };
+ };
+
+ var organizeAudioPlaylists = function organizeAudioPlaylists(playlists, sidxMapping) {
+ if (sidxMapping === void 0) {
+ sidxMapping = {};
+ }
+
+ var mainPlaylist;
+ var formattedPlaylists = playlists.reduce(function (a, playlist) {
+ var role = playlist.attributes.role && playlist.attributes.role.value || '';
+ var language = playlist.attributes.lang || '';
+ var label = 'main';
+
+ if (language) {
+ var roleLabel = role ? " (" + role + ")" : '';
+ label = "" + playlist.attributes.lang + roleLabel;
+ } // skip if we already have the highest quality audio for a language
+
+
+ if (a[label] && a[label].playlists[0].attributes.BANDWIDTH > playlist.attributes.bandwidth) {
+ return a;
+ }
+
+ a[label] = {
+ language: language,
+ autoselect: true,
+ "default": role === 'main',
+ playlists: addSegmentInfoFromSidx([formatAudioPlaylist(playlist)], sidxMapping),
+ uri: ''
+ };
+
+ if (typeof mainPlaylist === 'undefined' && role === 'main') {
+ mainPlaylist = playlist;
+ mainPlaylist["default"] = true;
+ }
+
+ return a;
+ }, {}); // if no playlists have role "main", mark the first as main
+
+ if (!mainPlaylist) {
+ var firstLabel = Object.keys(formattedPlaylists)[0];
+ formattedPlaylists[firstLabel]["default"] = true;
+ }
+
+ return formattedPlaylists;
+ };
+
+ var organizeVttPlaylists = function organizeVttPlaylists(playlists, sidxMapping) {
+ if (sidxMapping === void 0) {
+ sidxMapping = {};
+ }
+
+ return playlists.reduce(function (a, playlist) {
+ var label = playlist.attributes.lang || 'text'; // skip if we already have subtitles
+
+ if (a[label]) {
+ return a;
+ }
+
+ a[label] = {
+ language: label,
+ "default": false,
+ autoselect: false,
+ playlists: addSegmentInfoFromSidx([formatVttPlaylist(playlist)], sidxMapping),
+ uri: ''
+ };
+ return a;
+ }, {});
+ };
+
+ var formatVideoPlaylist = function formatVideoPlaylist(_ref3) {
+ var _attributes3;
+
+ var attributes = _ref3.attributes,
+ segments = _ref3.segments,
+ sidx = _ref3.sidx;
+ var playlist = {
+ attributes: (_attributes3 = {
+ NAME: attributes.id,
+ AUDIO: 'audio',
+ SUBTITLES: 'subs',
+ RESOLUTION: {
+ width: attributes.width,
+ height: attributes.height
+ },
+ CODECS: attributes.codecs,
+ BANDWIDTH: attributes.bandwidth
+ }, _attributes3['PROGRAM-ID'] = 1, _attributes3),
+ uri: '',
+ endList: (attributes.type || 'static') === 'static',
+ timeline: attributes.periodIndex,
+ resolvedUri: '',
+ targetDuration: attributes.duration,
+ segments: segments,
+ mediaSequence: segments.length ? segments[0].number : 1
+ };
+
+ if (attributes.contentProtection) {
+ playlist.contentProtection = attributes.contentProtection;
+ }
+
+ if (sidx) {
+ playlist.sidx = sidx;
+ }
+
+ return playlist;
+ };
+
+ var toM3u8 = function toM3u8(dashPlaylists, sidxMapping) {
+ var _mediaGroups;
+
+ if (sidxMapping === void 0) {
+ sidxMapping = {};
+ }
+
+ if (!dashPlaylists.length) {
+ return {};
+ } // grab all master attributes
+
+
+ var _dashPlaylists$0$attr = dashPlaylists[0].attributes,
+ duration = _dashPlaylists$0$attr.sourceDuration,
+ _dashPlaylists$0$attr2 = _dashPlaylists$0$attr.type,
+ type = _dashPlaylists$0$attr2 === void 0 ? 'static' : _dashPlaylists$0$attr2,
+ suggestedPresentationDelay = _dashPlaylists$0$attr.suggestedPresentationDelay,
+ _dashPlaylists$0$attr3 = _dashPlaylists$0$attr.minimumUpdatePeriod,
+ minimumUpdatePeriod = _dashPlaylists$0$attr3 === void 0 ? 0 : _dashPlaylists$0$attr3;
+
+ var videoOnly = function videoOnly(_ref4) {
+ var attributes = _ref4.attributes;
+ return attributes.mimeType === 'video/mp4' || attributes.contentType === 'video';
+ };
+
+ var audioOnly = function audioOnly(_ref5) {
+ var attributes = _ref5.attributes;
+ return attributes.mimeType === 'audio/mp4' || attributes.contentType === 'audio';
+ };
+
+ var vttOnly = function vttOnly(_ref6) {
+ var attributes = _ref6.attributes;
+ return attributes.mimeType === 'text/vtt' || attributes.contentType === 'text';
+ };
+
+ var videoPlaylists = mergeDiscontiguousPlaylists(dashPlaylists.filter(videoOnly)).map(formatVideoPlaylist);
+ var audioPlaylists = mergeDiscontiguousPlaylists(dashPlaylists.filter(audioOnly));
+ var vttPlaylists = dashPlaylists.filter(vttOnly);
+ var master = {
+ allowCache: true,
+ discontinuityStarts: [],
+ segments: [],
+ endList: true,
+ mediaGroups: (_mediaGroups = {
+ AUDIO: {},
+ VIDEO: {}
+ }, _mediaGroups['CLOSED-CAPTIONS'] = {}, _mediaGroups.SUBTITLES = {}, _mediaGroups),
+ uri: '',
+ duration: duration,
+ playlists: addSegmentInfoFromSidx(videoPlaylists, sidxMapping),
+ minimumUpdatePeriod: minimumUpdatePeriod * 1000
+ };
+
+ if (type === 'dynamic') {
+ master.suggestedPresentationDelay = suggestedPresentationDelay;
+ }
+
+ if (audioPlaylists.length) {
+ master.mediaGroups.AUDIO.audio = organizeAudioPlaylists(audioPlaylists, sidxMapping);
+ }
+
+ if (vttPlaylists.length) {
+ master.mediaGroups.SUBTITLES.subs = organizeVttPlaylists(vttPlaylists, sidxMapping);
+ }
+
+ return master;
+ };
+ /**
+ * Calculates the R (repetition) value for a live stream (for the final segment
+ * in a manifest where the r value is negative 1)
+ *
+ * @param {Object} attributes
+ * Object containing all inherited attributes from parent elements with attribute
+ * names as keys
+ * @param {number} time
+ * current time (typically the total time up until the final segment)
+ * @param {number} duration
+ * duration property for the given <S />
+ *
+ * @return {number}
+ * R value to reach the end of the given period
+ */
+
+
+ var getLiveRValue = function getLiveRValue(attributes, time, duration) {
+ var NOW = attributes.NOW,
+ clientOffset = attributes.clientOffset,
+ availabilityStartTime = attributes.availabilityStartTime,
+ _attributes$timescale = attributes.timescale,
+ timescale = _attributes$timescale === void 0 ? 1 : _attributes$timescale,
+ _attributes$start = attributes.start,
+ start = _attributes$start === void 0 ? 0 : _attributes$start,
+ _attributes$minimumUp = attributes.minimumUpdatePeriod,
+ minimumUpdatePeriod = _attributes$minimumUp === void 0 ? 0 : _attributes$minimumUp;
+ var now = (NOW + clientOffset) / 1000;
+ var periodStartWC = availabilityStartTime + start;
+ var periodEndWC = now + minimumUpdatePeriod;
+ var periodDuration = periodEndWC - periodStartWC;
+ return Math.ceil((periodDuration * timescale - time) / duration);
+ };
+ /**
+ * Uses information provided by SegmentTemplate.SegmentTimeline to determine segment
+ * timing and duration
+ *
+ * @param {Object} attributes
+ * Object containing all inherited attributes from parent elements with attribute
+ * names as keys
+ * @param {Object[]} segmentTimeline
+ * List of objects representing the attributes of each S element contained within
+ *
+ * @return {{number: number, duration: number, time: number, timeline: number}[]}
+ * List of Objects with segment timing and duration info
+ */
+
+
+ var parseByTimeline = function parseByTimeline(attributes, segmentTimeline) {
+ var _attributes$type = attributes.type,
+ type = _attributes$type === void 0 ? 'static' : _attributes$type,
+ _attributes$minimumUp2 = attributes.minimumUpdatePeriod,
+ minimumUpdatePeriod = _attributes$minimumUp2 === void 0 ? 0 : _attributes$minimumUp2,
+ _attributes$media = attributes.media,
+ media = _attributes$media === void 0 ? '' : _attributes$media,
+ sourceDuration = attributes.sourceDuration,
+ _attributes$timescale2 = attributes.timescale,
+ timescale = _attributes$timescale2 === void 0 ? 1 : _attributes$timescale2,
+ _attributes$startNumb = attributes.startNumber,
+ startNumber = _attributes$startNumb === void 0 ? 1 : _attributes$startNumb,
+ timeline = attributes.periodIndex;
+ var segments = [];
+ var time = -1;
+
+ for (var sIndex = 0; sIndex < segmentTimeline.length; sIndex++) {
+ var S = segmentTimeline[sIndex];
+ var duration = S.d;
+ var repeat = S.r || 0;
+ var segmentTime = S.t || 0;
+
+ if (time < 0) {
+ // first segment
+ time = segmentTime;
+ }
+
+ if (segmentTime && segmentTime > time) {
+ // discontinuity
+ // TODO: How to handle this type of discontinuity
+ // timeline++ here would treat it like HLS discontuity and content would
+ // get appended without gap
+ // E.G.
+ // <S t="0" d="1" />
+ // <S d="1" />
+ // <S d="1" />
+ // <S t="5" d="1" />
+ // would have $Time$ values of [0, 1, 2, 5]
+ // should this be appened at time positions [0, 1, 2, 3],(#EXT-X-DISCONTINUITY)
+ // or [0, 1, 2, gap, gap, 5]? (#EXT-X-GAP)
+ // does the value of sourceDuration consider this when calculating arbitrary
+ // negative @r repeat value?
+ // E.G. Same elements as above with this added at the end
+ // <S d="1" r="-1" />
+ // with a sourceDuration of 10
+ // Would the 2 gaps be included in the time duration calculations resulting in
+ // 8 segments with $Time$ values of [0, 1, 2, 5, 6, 7, 8, 9] or 10 segments
+ // with $Time$ values of [0, 1, 2, 5, 6, 7, 8, 9, 10, 11] ?
+ time = segmentTime;
+ }
+
+ var count = void 0;
+
+ if (repeat < 0) {
+ var nextS = sIndex + 1;
+
+ if (nextS === segmentTimeline.length) {
+ // last segment
+ if (type === 'dynamic' && minimumUpdatePeriod > 0 && media.indexOf('$Number$') > 0) {
+ count = getLiveRValue(attributes, time, duration);
+ } else {
+ // TODO: This may be incorrect depending on conclusion of TODO above
+ count = (sourceDuration * timescale - time) / duration;
+ }
+ } else {
+ count = (segmentTimeline[nextS].t - time) / duration;
+ }
+ } else {
+ count = repeat + 1;
+ }
+
+ var end = startNumber + segments.length + count;
+ var number = startNumber + segments.length;
+
+ while (number < end) {
+ segments.push({
+ number: number,
+ duration: duration / timescale,
+ time: time,
+ timeline: timeline
+ });
+ time += duration;
+ number++;
+ }
+ }
+
+ return segments;
+ };
+
+ var identifierPattern = /\$([A-z]*)(?:(%0)([0-9]+)d)?\$/g;
+ /**
+ * Replaces template identifiers with corresponding values. To be used as the callback
+ * for String.prototype.replace
+ *
+ * @name replaceCallback
+ * @function
+ * @param {string} match
+ * Entire match of identifier
+ * @param {string} identifier
+ * Name of matched identifier
+ * @param {string} format
+ * Format tag string. Its presence indicates that padding is expected
+ * @param {string} width
+ * Desired length of the replaced value. Values less than this width shall be left
+ * zero padded
+ * @return {string}
+ * Replacement for the matched identifier
+ */
+
+ /**
+ * Returns a function to be used as a callback for String.prototype.replace to replace
+ * template identifiers
+ *
+ * @param {Obect} values
+ * Object containing values that shall be used to replace known identifiers
+ * @param {number} values.RepresentationID
+ * Value of the Representation@id attribute
+ * @param {number} values.Number
+ * Number of the corresponding segment
+ * @param {number} values.Bandwidth
+ * Value of the Representation@bandwidth attribute.
+ * @param {number} values.Time
+ * Timestamp value of the corresponding segment
+ * @return {replaceCallback}
+ * Callback to be used with String.prototype.replace to replace identifiers
+ */
+
+ var identifierReplacement = function identifierReplacement(values) {
+ return function (match, identifier, format, width) {
+ if (match === '$$') {
+ // escape sequence
+ return '$';
+ }
+
+ if (typeof values[identifier] === 'undefined') {
+ return match;
+ }
+
+ var value = '' + values[identifier];
+
+ if (identifier === 'RepresentationID') {
+ // Format tag shall not be present with RepresentationID
+ return value;
+ }
+
+ if (!format) {
+ width = 1;
+ } else {
+ width = parseInt(width, 10);
+ }
+
+ if (value.length >= width) {
+ return value;
+ }
+
+ return "" + new Array(width - value.length + 1).join('0') + value;
+ };
+ };
+ /**
+ * Constructs a segment url from a template string
+ *
+ * @param {string} url
+ * Template string to construct url from
+ * @param {Obect} values
+ * Object containing values that shall be used to replace known identifiers
+ * @param {number} values.RepresentationID
+ * Value of the Representation@id attribute
+ * @param {number} values.Number
+ * Number of the corresponding segment
+ * @param {number} values.Bandwidth
+ * Value of the Representation@bandwidth attribute.
+ * @param {number} values.Time
+ * Timestamp value of the corresponding segment
+ * @return {string}
+ * Segment url with identifiers replaced
+ */
+
+
+ var constructTemplateUrl = function constructTemplateUrl(url, values) {
+ return url.replace(identifierPattern, identifierReplacement(values));
+ };
+ /**
+ * Generates a list of objects containing timing and duration information about each
+ * segment needed to generate segment uris and the complete segment object
+ *
+ * @param {Object} attributes
+ * Object containing all inherited attributes from parent elements with attribute
+ * names as keys
+ * @param {Object[]|undefined} segmentTimeline
+ * List of objects representing the attributes of each S element contained within
+ * the SegmentTimeline element
+ * @return {{number: number, duration: number, time: number, timeline: number}[]}
+ * List of Objects with segment timing and duration info
+ */
+
+
+ var parseTemplateInfo = function parseTemplateInfo(attributes, segmentTimeline) {
+ if (!attributes.duration && !segmentTimeline) {
+ // if neither @duration or SegmentTimeline are present, then there shall be exactly
+ // one media segment
+ return [{
+ number: attributes.startNumber || 1,
+ duration: attributes.sourceDuration,
+ time: 0,
+ timeline: attributes.periodIndex
+ }];
+ }
+
+ if (attributes.duration) {
+ return parseByDuration(attributes);
+ }
+
+ return parseByTimeline(attributes, segmentTimeline);
+ };
+ /**
+ * Generates a list of segments using information provided by the SegmentTemplate element
+ *
+ * @param {Object} attributes
+ * Object containing all inherited attributes from parent elements with attribute
+ * names as keys
+ * @param {Object[]|undefined} segmentTimeline
+ * List of objects representing the attributes of each S element contained within
+ * the SegmentTimeline element
+ * @return {Object[]}
+ * List of segment objects
+ */
+
+
+ var segmentsFromTemplate = function segmentsFromTemplate(attributes, segmentTimeline) {
+ var templateValues = {
+ RepresentationID: attributes.id,
+ Bandwidth: attributes.bandwidth || 0
+ };
+ var _attributes$initializ = attributes.initialization,
+ initialization = _attributes$initializ === void 0 ? {
+ sourceURL: '',
+ range: ''
+ } : _attributes$initializ;
+ var mapSegment = urlTypeToSegment({
+ baseUrl: attributes.baseUrl,
+ source: constructTemplateUrl(initialization.sourceURL, templateValues),
+ range: initialization.range
+ });
+ var segments = parseTemplateInfo(attributes, segmentTimeline);
+ return segments.map(function (segment) {
+ templateValues.Number = segment.number;
+ templateValues.Time = segment.time;
+ var uri = constructTemplateUrl(attributes.media || '', templateValues);
+ return {
+ uri: uri,
+ timeline: segment.timeline,
+ duration: segment.duration,
+ resolvedUri: resolveUrl_1(attributes.baseUrl || '', uri),
+ map: mapSegment,
+ number: segment.number
+ };
+ });
+ };
+ /**
+ * Converts a <SegmentUrl> (of type URLType from the DASH spec 5.3.9.2 Table 14)
+ * to an object that matches the output of a segment in videojs/mpd-parser
+ *
+ * @param {Object} attributes
+ * Object containing all inherited attributes from parent elements with attribute
+ * names as keys
+ * @param {Object} segmentUrl
+ * <SegmentURL> node to translate into a segment object
+ * @return {Object} translated segment object
+ */
+
+
+ var SegmentURLToSegmentObject = function SegmentURLToSegmentObject(attributes, segmentUrl) {
+ var baseUrl = attributes.baseUrl,
+ _attributes$initializ = attributes.initialization,
+ initialization = _attributes$initializ === void 0 ? {} : _attributes$initializ;
+ var initSegment = urlTypeToSegment({
+ baseUrl: baseUrl,
+ source: initialization.sourceURL,
+ range: initialization.range
+ });
+ var segment = urlTypeToSegment({
+ baseUrl: baseUrl,
+ source: segmentUrl.media,
+ range: segmentUrl.mediaRange
+ });
+ segment.map = initSegment;
+ return segment;
+ };
+ /**
+ * Generates a list of segments using information provided by the SegmentList element
+ * SegmentList (DASH SPEC Section 5.3.9.3.2) contains a set of <SegmentURL> nodes. Each
+ * node should be translated into segment.
+ *
+ * @param {Object} attributes
+ * Object containing all inherited attributes from parent elements with attribute
+ * names as keys
+ * @param {Object[]|undefined} segmentTimeline
+ * List of objects representing the attributes of each S element contained within
+ * the SegmentTimeline element
+ * @return {Object.<Array>} list of segments
+ */
+
+
+ var segmentsFromList = function segmentsFromList(attributes, segmentTimeline) {
+ var duration = attributes.duration,
+ _attributes$segmentUr = attributes.segmentUrls,
+ segmentUrls = _attributes$segmentUr === void 0 ? [] : _attributes$segmentUr; // Per spec (5.3.9.2.1) no way to determine segment duration OR
+ // if both SegmentTimeline and @duration are defined, it is outside of spec.
+
+ if (!duration && !segmentTimeline || duration && segmentTimeline) {
+ throw new Error(errors.SEGMENT_TIME_UNSPECIFIED);
+ }
+
+ var segmentUrlMap = segmentUrls.map(function (segmentUrlObject) {
+ return SegmentURLToSegmentObject(attributes, segmentUrlObject);
+ });
+ var segmentTimeInfo;
+
+ if (duration) {
+ segmentTimeInfo = parseByDuration(attributes);
+ }
+
+ if (segmentTimeline) {
+ segmentTimeInfo = parseByTimeline(attributes, segmentTimeline);
+ }
+
+ var segments = segmentTimeInfo.map(function (segmentTime, index) {
+ if (segmentUrlMap[index]) {
+ var segment = segmentUrlMap[index];
+ segment.timeline = segmentTime.timeline;
+ segment.duration = segmentTime.duration;
+ segment.number = segmentTime.number;
+ return segment;
+ } // Since we're mapping we should get rid of any blank segments (in case
+ // the given SegmentTimeline is handling for more elements than we have
+ // SegmentURLs for).
+
+ }).filter(function (segment) {
+ return segment;
+ });
+ return segments;
+ };
+
+ var generateSegments = function generateSegments(_ref) {
+ var attributes = _ref.attributes,
+ segmentInfo = _ref.segmentInfo;
+ var segmentAttributes;
+ var segmentsFn;
+
+ if (segmentInfo.template) {
+ segmentsFn = segmentsFromTemplate;
+ segmentAttributes = merge(attributes, segmentInfo.template);
+ } else if (segmentInfo.base) {
+ segmentsFn = segmentsFromBase;
+ segmentAttributes = merge(attributes, segmentInfo.base);
+ } else if (segmentInfo.list) {
+ segmentsFn = segmentsFromList;
+ segmentAttributes = merge(attributes, segmentInfo.list);
+ }
+
+ var segmentsInfo = {
+ attributes: attributes
+ };
+
+ if (!segmentsFn) {
+ return segmentsInfo;
+ }
+
+ var segments = segmentsFn(segmentAttributes, segmentInfo.timeline); // The @duration attribute will be used to determin the playlist's targetDuration which
+ // must be in seconds. Since we've generated the segment list, we no longer need
+ // @duration to be in @timescale units, so we can convert it here.
+
+ if (segmentAttributes.duration) {
+ var _segmentAttributes = segmentAttributes,
+ duration = _segmentAttributes.duration,
+ _segmentAttributes$ti = _segmentAttributes.timescale,
+ timescale = _segmentAttributes$ti === void 0 ? 1 : _segmentAttributes$ti;
+ segmentAttributes.duration = duration / timescale;
+ } else if (segments.length) {
+ // if there is no @duration attribute, use the largest segment duration as
+ // as target duration
+ segmentAttributes.duration = segments.reduce(function (max, segment) {
+ return Math.max(max, Math.ceil(segment.duration));
+ }, 0);
+ } else {
+ segmentAttributes.duration = 0;
+ }
+
+ segmentsInfo.attributes = segmentAttributes;
+ segmentsInfo.segments = segments; // This is a sidx box without actual segment information
+
+ if (segmentInfo.base && segmentAttributes.indexRange) {
+ segmentsInfo.sidx = segments[0];
+ segmentsInfo.segments = [];
+ }
+
+ return segmentsInfo;
+ };
+
+ var toPlaylists = function toPlaylists(representations) {
+ return representations.map(generateSegments);
+ };
+
+ var findChildren = function findChildren(element, name) {
+ return from(element.childNodes).filter(function (_ref) {
+ var tagName = _ref.tagName;
+ return tagName === name;
+ });
+ };
+
+ var getContent = function getContent(element) {
+ return element.textContent.trim();
+ };
+
+ var parseDuration = function parseDuration(str) {
+ var SECONDS_IN_YEAR = 365 * 24 * 60 * 60;
+ var SECONDS_IN_MONTH = 30 * 24 * 60 * 60;
+ var SECONDS_IN_DAY = 24 * 60 * 60;
+ var SECONDS_IN_HOUR = 60 * 60;
+ var SECONDS_IN_MIN = 60; // P10Y10M10DT10H10M10.1S
+
+ var durationRegex = /P(?:(\d*)Y)?(?:(\d*)M)?(?:(\d*)D)?(?:T(?:(\d*)H)?(?:(\d*)M)?(?:([\d.]*)S)?)?/;
+ var match = durationRegex.exec(str);
+
+ if (!match) {
+ return 0;
+ }
+
+ var _match$slice = match.slice(1),
+ year = _match$slice[0],
+ month = _match$slice[1],
+ day = _match$slice[2],
+ hour = _match$slice[3],
+ minute = _match$slice[4],
+ second = _match$slice[5];
+
+ return parseFloat(year || 0) * SECONDS_IN_YEAR + parseFloat(month || 0) * SECONDS_IN_MONTH + parseFloat(day || 0) * SECONDS_IN_DAY + parseFloat(hour || 0) * SECONDS_IN_HOUR + parseFloat(minute || 0) * SECONDS_IN_MIN + parseFloat(second || 0);
+ };
+
+ var parseDate = function parseDate(str) {
+ // Date format without timezone according to ISO 8601
+ // YYY-MM-DDThh:mm:ss.ssssss
+ var dateRegex = /^\d+-\d+-\d+T\d+:\d+:\d+(\.\d+)?$/; // If the date string does not specifiy a timezone, we must specifiy UTC. This is
+ // expressed by ending with 'Z'
+
+ if (dateRegex.test(str)) {
+ str += 'Z';
+ }
+
+ return Date.parse(str);
+ };
+
+ var parsers = {
+ /**
+ * Specifies the duration of the entire Media Presentation. Format is a duration string
+ * as specified in ISO 8601
+ *
+ * @param {string} value
+ * value of attribute as a string
+ * @return {number}
+ * The duration in seconds
+ */
+ mediaPresentationDuration: function mediaPresentationDuration(value) {
+ return parseDuration(value);
+ },
+
+ /**
+ * Specifies the Segment availability start time for all Segments referred to in this
+ * MPD. For a dynamic manifest, it specifies the anchor for the earliest availability
+ * time. Format is a date string as specified in ISO 8601
+ *
+ * @param {string} value
+ * value of attribute as a string
+ * @return {number}
+ * The date as seconds from unix epoch
+ */
+ availabilityStartTime: function availabilityStartTime(value) {
+ return parseDate(value) / 1000;
+ },
+
+ /**
+ * Specifies the smallest period between potential changes to the MPD. Format is a
+ * duration string as specified in ISO 8601
+ *
+ * @param {string} value
+ * value of attribute as a string
+ * @return {number}
+ * The duration in seconds
+ */
+ minimumUpdatePeriod: function minimumUpdatePeriod(value) {
+ return parseDuration(value);
+ },
+
+ /**
+ * Specifies the suggested presentation delay. Format is a
+ * duration string as specified in ISO 8601
+ *
+ * @param {string} value
+ * value of attribute as a string
+ * @return {number}
+ * The duration in seconds
+ */
+ suggestedPresentationDelay: function suggestedPresentationDelay(value) {
+ return parseDuration(value);
+ },
+
+ /**
+ * specifices the type of mpd. Can be either "static" or "dynamic"
+ *
+ * @param {string} value
+ * value of attribute as a string
+ *
+ * @return {string}
+ * The type as a string
+ */
+ type: function type(value) {
+ return value;
+ },
+
+ /**
+ * Specifies the duration of the smallest time shifting buffer for any Representation
+ * in the MPD. Format is a duration string as specified in ISO 8601
+ *
+ * @param {string} value
+ * value of attribute as a string
+ * @return {number}
+ * The duration in seconds
+ */
+ timeShiftBufferDepth: function timeShiftBufferDepth(value) {
+ return parseDuration(value);
+ },
+
+ /**
+ * Specifies the PeriodStart time of the Period relative to the availabilityStarttime.
+ * Format is a duration string as specified in ISO 8601
+ *
+ * @param {string} value
+ * value of attribute as a string
+ * @return {number}
+ * The duration in seconds
+ */
+ start: function start(value) {
+ return parseDuration(value);
+ },
+
+ /**
+ * Specifies the width of the visual presentation
+ *
+ * @param {string} value
+ * value of attribute as a string
+ * @return {number}
+ * The parsed width
+ */
+ width: function width(value) {
+ return parseInt(value, 10);
+ },
+
+ /**
+ * Specifies the height of the visual presentation
+ *
+ * @param {string} value
+ * value of attribute as a string
+ * @return {number}
+ * The parsed height
+ */
+ height: function height(value) {
+ return parseInt(value, 10);
+ },
+
+ /**
+ * Specifies the bitrate of the representation
+ *
+ * @param {string} value
+ * value of attribute as a string
+ * @return {number}
+ * The parsed bandwidth
+ */
+ bandwidth: function bandwidth(value) {
+ return parseInt(value, 10);
+ },
+
+ /**
+ * Specifies the number of the first Media Segment in this Representation in the Period
+ *
+ * @param {string} value
+ * value of attribute as a string
+ * @return {number}
+ * The parsed number
+ */
+ startNumber: function startNumber(value) {
+ return parseInt(value, 10);
+ },
+
+ /**
+ * Specifies the timescale in units per seconds
+ *
+ * @param {string} value
+ * value of attribute as a string
+ * @return {number}
+ * The aprsed timescale
+ */
+ timescale: function timescale(value) {
+ return parseInt(value, 10);
+ },
+
+ /**
+ * Specifies the constant approximate Segment duration
+ * NOTE: The <Period> element also contains an @duration attribute. This duration
+ * specifies the duration of the Period. This attribute is currently not
+ * supported by the rest of the parser, however we still check for it to prevent
+ * errors.
+ *
+ * @param {string} value
+ * value of attribute as a string
+ * @return {number}
+ * The parsed duration
+ */
+ duration: function duration(value) {
+ var parsedValue = parseInt(value, 10);
+
+ if (isNaN(parsedValue)) {
+ return parseDuration(value);
+ }
+
+ return parsedValue;
+ },
+
+ /**
+ * Specifies the Segment duration, in units of the value of the @timescale.
+ *
+ * @param {string} value
+ * value of attribute as a string
+ * @return {number}
+ * The parsed duration
+ */
+ d: function d(value) {
+ return parseInt(value, 10);
+ },
+
+ /**
+ * Specifies the MPD start time, in @timescale units, the first Segment in the series
+ * starts relative to the beginning of the Period
+ *
+ * @param {string} value
+ * value of attribute as a string
+ * @return {number}
+ * The parsed time
+ */
+ t: function t(value) {
+ return parseInt(value, 10);
+ },
+
+ /**
+ * Specifies the repeat count of the number of following contiguous Segments with the
+ * same duration expressed by the value of @d
+ *
+ * @param {string} value
+ * value of attribute as a string
+ * @return {number}
+ * The parsed number
+ */
+ r: function r(value) {
+ return parseInt(value, 10);
+ },
+
+ /**
+ * Default parser for all other attributes. Acts as a no-op and just returns the value
+ * as a string
+ *
+ * @param {string} value
+ * value of attribute as a string
+ * @return {string}
+ * Unparsed value
+ */
+ DEFAULT: function DEFAULT(value) {
+ return value;
+ }
+ };
+ /**
+ * Gets all the attributes and values of the provided node, parses attributes with known
+ * types, and returns an object with attribute names mapped to values.
+ *
+ * @param {Node} el
+ * The node to parse attributes from
+ * @return {Object}
+ * Object with all attributes of el parsed
+ */
+
+ var parseAttributes$1 = function parseAttributes(el) {
+ if (!(el && el.attributes)) {
+ return {};
+ }
+
+ return from(el.attributes).reduce(function (a, e) {
+ var parseFn = parsers[e.name] || parsers.DEFAULT;
+ a[e.name] = parseFn(e.value);
+ return a;
+ }, {});
+ };
+
+ var keySystemsMap = {
+ 'urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b': 'org.w3.clearkey',
+ 'urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed': 'com.widevine.alpha',
+ 'urn:uuid:9a04f079-9840-4286-ab92-e65be0885f95': 'com.microsoft.playready',
+ 'urn:uuid:f239e769-efa3-4850-9c16-a903c6932efb': 'com.adobe.primetime'
+ };
+ /**
+ * Builds a list of urls that is the product of the reference urls and BaseURL values
+ *
+ * @param {string[]} referenceUrls
+ * List of reference urls to resolve to
+ * @param {Node[]} baseUrlElements
+ * List of BaseURL nodes from the mpd
+ * @return {string[]}
+ * List of resolved urls
+ */
+
+ var buildBaseUrls = function buildBaseUrls(referenceUrls, baseUrlElements) {
+ if (!baseUrlElements.length) {
+ return referenceUrls;
+ }
+
+ return flatten(referenceUrls.map(function (reference) {
+ return baseUrlElements.map(function (baseUrlElement) {
+ return resolveUrl_1(reference, getContent(baseUrlElement));
+ });
+ }));
+ };
+ /**
+ * Contains all Segment information for its containing AdaptationSet
+ *
+ * @typedef {Object} SegmentInformation
+ * @property {Object|undefined} template
+ * Contains the attributes for the SegmentTemplate node
+ * @property {Object[]|undefined} timeline
+ * Contains a list of atrributes for each S node within the SegmentTimeline node
+ * @property {Object|undefined} list
+ * Contains the attributes for the SegmentList node
+ * @property {Object|undefined} base
+ * Contains the attributes for the SegmentBase node
+ */
+
+ /**
+ * Returns all available Segment information contained within the AdaptationSet node
+ *
+ * @param {Node} adaptationSet
+ * The AdaptationSet node to get Segment information from
+ * @return {SegmentInformation}
+ * The Segment information contained within the provided AdaptationSet
+ */
+
+
+ var getSegmentInformation = function getSegmentInformation(adaptationSet) {
+ var segmentTemplate = findChildren(adaptationSet, 'SegmentTemplate')[0];
+ var segmentList = findChildren(adaptationSet, 'SegmentList')[0];
+ var segmentUrls = segmentList && findChildren(segmentList, 'SegmentURL').map(function (s) {
+ return merge({
+ tag: 'SegmentURL'
+ }, parseAttributes$1(s));
+ });
+ var segmentBase = findChildren(adaptationSet, 'SegmentBase')[0];
+ var segmentTimelineParentNode = segmentList || segmentTemplate;
+ var segmentTimeline = segmentTimelineParentNode && findChildren(segmentTimelineParentNode, 'SegmentTimeline')[0];
+ var segmentInitializationParentNode = segmentList || segmentBase || segmentTemplate;
+ var segmentInitialization = segmentInitializationParentNode && findChildren(segmentInitializationParentNode, 'Initialization')[0]; // SegmentTemplate is handled slightly differently, since it can have both
+ // @initialization and an <Initialization> node. @initialization can be templated,
+ // while the node can have a url and range specified. If the <SegmentTemplate> has
+ // both @initialization and an <Initialization> subelement we opt to override with
+ // the node, as this interaction is not defined in the spec.
+
+ var template = segmentTemplate && parseAttributes$1(segmentTemplate);
+
+ if (template && segmentInitialization) {
+ template.initialization = segmentInitialization && parseAttributes$1(segmentInitialization);
+ } else if (template && template.initialization) {
+ // If it is @initialization we convert it to an object since this is the format that
+ // later functions will rely on for the initialization segment. This is only valid
+ // for <SegmentTemplate>
+ template.initialization = {
+ sourceURL: template.initialization
+ };
+ }
+
+ var segmentInfo = {
+ template: template,
+ timeline: segmentTimeline && findChildren(segmentTimeline, 'S').map(function (s) {
+ return parseAttributes$1(s);
+ }),
+ list: segmentList && merge(parseAttributes$1(segmentList), {
+ segmentUrls: segmentUrls,
+ initialization: parseAttributes$1(segmentInitialization)
+ }),
+ base: segmentBase && merge(parseAttributes$1(segmentBase), {
+ initialization: parseAttributes$1(segmentInitialization)
+ })
+ };
+ Object.keys(segmentInfo).forEach(function (key) {
+ if (!segmentInfo[key]) {
+ delete segmentInfo[key];
+ }
+ });
+ return segmentInfo;
+ };
+ /**
+ * Contains Segment information and attributes needed to construct a Playlist object
+ * from a Representation
+ *
+ * @typedef {Object} RepresentationInformation
+ * @property {SegmentInformation} segmentInfo
+ * Segment information for this Representation
+ * @property {Object} attributes
+ * Inherited attributes for this Representation
+ */
+
+ /**
+ * Maps a Representation node to an object containing Segment information and attributes
+ *
+ * @name inheritBaseUrlsCallback
+ * @function
+ * @param {Node} representation
+ * Representation node from the mpd
+ * @return {RepresentationInformation}
+ * Representation information needed to construct a Playlist object
+ */
+
+ /**
+ * Returns a callback for Array.prototype.map for mapping Representation nodes to
+ * Segment information and attributes using inherited BaseURL nodes.
+ *
+ * @param {Object} adaptationSetAttributes
+ * Contains attributes inherited by the AdaptationSet
+ * @param {string[]} adaptationSetBaseUrls
+ * Contains list of resolved base urls inherited by the AdaptationSet
+ * @param {SegmentInformation} adaptationSetSegmentInfo
+ * Contains Segment information for the AdaptationSet
+ * @return {inheritBaseUrlsCallback}
+ * Callback map function
+ */
+
+
+ var inheritBaseUrls = function inheritBaseUrls(adaptationSetAttributes, adaptationSetBaseUrls, adaptationSetSegmentInfo) {
+ return function (representation) {
+ var repBaseUrlElements = findChildren(representation, 'BaseURL');
+ var repBaseUrls = buildBaseUrls(adaptationSetBaseUrls, repBaseUrlElements);
+ var attributes = merge(adaptationSetAttributes, parseAttributes$1(representation));
+ var representationSegmentInfo = getSegmentInformation(representation);
+ return repBaseUrls.map(function (baseUrl) {
+ return {
+ segmentInfo: merge(adaptationSetSegmentInfo, representationSegmentInfo),
+ attributes: merge(attributes, {
+ baseUrl: baseUrl
+ })
+ };
+ });
+ };
+ };
+ /**
+ * Tranforms a series of content protection nodes to
+ * an object containing pssh data by key system
+ *
+ * @param {Node[]} contentProtectionNodes
+ * Content protection nodes
+ * @return {Object}
+ * Object containing pssh data by key system
+ */
+
+
+ var generateKeySystemInformation = function generateKeySystemInformation(contentProtectionNodes) {
+ return contentProtectionNodes.reduce(function (acc, node) {
+ var attributes = parseAttributes$1(node);
+ var keySystem = keySystemsMap[attributes.schemeIdUri];
+
+ if (keySystem) {
+ acc[keySystem] = {
+ attributes: attributes
+ };
+ var psshNode = findChildren(node, 'cenc:pssh')[0];
+
+ if (psshNode) {
+ var pssh = getContent(psshNode);
+ var psshBuffer = pssh && decodeB64ToUint8Array_1(pssh);
+ acc[keySystem].pssh = psshBuffer;
+ }
+ }
+
+ return acc;
+ }, {});
+ };
+ /**
+ * Maps an AdaptationSet node to a list of Representation information objects
+ *
+ * @name toRepresentationsCallback
+ * @function
+ * @param {Node} adaptationSet
+ * AdaptationSet node from the mpd
+ * @return {RepresentationInformation[]}
+ * List of objects containing Representaion information
+ */
+
+ /**
+ * Returns a callback for Array.prototype.map for mapping AdaptationSet nodes to a list of
+ * Representation information objects
+ *
+ * @param {Object} periodAttributes
+ * Contains attributes inherited by the Period
+ * @param {string[]} periodBaseUrls
+ * Contains list of resolved base urls inherited by the Period
+ * @param {string[]} periodSegmentInfo
+ * Contains Segment Information at the period level
+ * @return {toRepresentationsCallback}
+ * Callback map function
+ */
+
+
+ var toRepresentations = function toRepresentations(periodAttributes, periodBaseUrls, periodSegmentInfo) {
+ return function (adaptationSet) {
+ var adaptationSetAttributes = parseAttributes$1(adaptationSet);
+ var adaptationSetBaseUrls = buildBaseUrls(periodBaseUrls, findChildren(adaptationSet, 'BaseURL'));
+ var role = findChildren(adaptationSet, 'Role')[0];
+ var roleAttributes = {
+ role: parseAttributes$1(role)
+ };
+ var attrs = merge(periodAttributes, adaptationSetAttributes, roleAttributes);
+ var contentProtection = generateKeySystemInformation(findChildren(adaptationSet, 'ContentProtection'));
+
+ if (Object.keys(contentProtection).length) {
+ attrs = merge(attrs, {
+ contentProtection: contentProtection
+ });
+ }
+
+ var segmentInfo = getSegmentInformation(adaptationSet);
+ var representations = findChildren(adaptationSet, 'Representation');
+ var adaptationSetSegmentInfo = merge(periodSegmentInfo, segmentInfo);
+ return flatten(representations.map(inheritBaseUrls(attrs, adaptationSetBaseUrls, adaptationSetSegmentInfo)));
+ };
+ };
+ /**
+ * Maps an Period node to a list of Representation inforamtion objects for all
+ * AdaptationSet nodes contained within the Period
+ *
+ * @name toAdaptationSetsCallback
+ * @function
+ * @param {Node} period
+ * Period node from the mpd
+ * @param {number} periodIndex
+ * Index of the Period within the mpd
+ * @return {RepresentationInformation[]}
+ * List of objects containing Representaion information
+ */
+
+ /**
+ * Returns a callback for Array.prototype.map for mapping Period nodes to a list of
+ * Representation information objects
+ *
+ * @param {Object} mpdAttributes
+ * Contains attributes inherited by the mpd
+ * @param {string[]} mpdBaseUrls
+ * Contains list of resolved base urls inherited by the mpd
+ * @return {toAdaptationSetsCallback}
+ * Callback map function
+ */
+
+
+ var toAdaptationSets = function toAdaptationSets(mpdAttributes, mpdBaseUrls) {
+ return function (period, index) {
+ var periodBaseUrls = buildBaseUrls(mpdBaseUrls, findChildren(period, 'BaseURL'));
+ var periodAtt = parseAttributes$1(period);
+ var parsedPeriodId = parseInt(periodAtt.id, 10); // fallback to mapping index if Period@id is not a number
+
+ var periodIndex = window$3.isNaN(parsedPeriodId) ? index : parsedPeriodId;
+ var periodAttributes = merge(mpdAttributes, {
+ periodIndex: periodIndex
+ });
+ var adaptationSets = findChildren(period, 'AdaptationSet');
+ var periodSegmentInfo = getSegmentInformation(period);
+ return flatten(adaptationSets.map(toRepresentations(periodAttributes, periodBaseUrls, periodSegmentInfo)));
+ };
+ };
+ /**
+ * Traverses the mpd xml tree to generate a list of Representation information objects
+ * that have inherited attributes from parent nodes
+ *
+ * @param {Node} mpd
+ * The root node of the mpd
+ * @param {Object} options
+ * Available options for inheritAttributes
+ * @param {string} options.manifestUri
+ * The uri source of the mpd
+ * @param {number} options.NOW
+ * Current time per DASH IOP. Default is current time in ms since epoch
+ * @param {number} options.clientOffset
+ * Client time difference from NOW (in milliseconds)
+ * @return {RepresentationInformation[]}
+ * List of objects containing Representation information
+ */
+
+
+ var inheritAttributes = function inheritAttributes(mpd, options) {
+ if (options === void 0) {
+ options = {};
+ }
+
+ var _options = options,
+ _options$manifestUri = _options.manifestUri,
+ manifestUri = _options$manifestUri === void 0 ? '' : _options$manifestUri,
+ _options$NOW = _options.NOW,
+ NOW = _options$NOW === void 0 ? Date.now() : _options$NOW,
+ _options$clientOffset = _options.clientOffset,
+ clientOffset = _options$clientOffset === void 0 ? 0 : _options$clientOffset;
+ var periods = findChildren(mpd, 'Period');
+
+ if (!periods.length) {
+ throw new Error(errors.INVALID_NUMBER_OF_PERIOD);
+ }
+
+ var mpdAttributes = parseAttributes$1(mpd);
+ var mpdBaseUrls = buildBaseUrls([manifestUri], findChildren(mpd, 'BaseURL'));
+ mpdAttributes.sourceDuration = mpdAttributes.mediaPresentationDuration || 0;
+ mpdAttributes.NOW = NOW;
+ mpdAttributes.clientOffset = clientOffset;
+ return flatten(periods.map(toAdaptationSets(mpdAttributes, mpdBaseUrls)));
+ };
+
+ var stringToMpdXml = function stringToMpdXml(manifestString) {
+ if (manifestString === '') {
+ throw new Error(errors.DASH_EMPTY_MANIFEST);
+ }
+
+ var parser = new domParser_3();
+ var xml = parser.parseFromString(manifestString, 'application/xml');
+ var mpd = xml && xml.documentElement.tagName === 'MPD' ? xml.documentElement : null;
+
+ if (!mpd || mpd && mpd.getElementsByTagName('parsererror').length > 0) {
+ throw new Error(errors.DASH_INVALID_XML);
+ }
+
+ return mpd;
+ };
+ /**
+ * Parses the manifest for a UTCTiming node, returning the nodes attributes if found
+ *
+ * @param {string} mpd
+ * XML string of the MPD manifest
+ * @return {Object|null}
+ * Attributes of UTCTiming node specified in the manifest. Null if none found
+ */
+
+
+ var parseUTCTimingScheme = function parseUTCTimingScheme(mpd) {
+ var UTCTimingNode = findChildren(mpd, 'UTCTiming')[0];
+
+ if (!UTCTimingNode) {
+ return null;
+ }
+
+ var attributes = parseAttributes$1(UTCTimingNode);
+
+ switch (attributes.schemeIdUri) {
+ case 'urn:mpeg:dash:utc:http-head:2014':
+ case 'urn:mpeg:dash:utc:http-head:2012':
+ attributes.method = 'HEAD';
+ break;
+
+ case 'urn:mpeg:dash:utc:http-xsdate:2014':
+ case 'urn:mpeg:dash:utc:http-iso:2014':
+ case 'urn:mpeg:dash:utc:http-xsdate:2012':
+ case 'urn:mpeg:dash:utc:http-iso:2012':
+ attributes.method = 'GET';
+ break;
+
+ case 'urn:mpeg:dash:utc:direct:2014':
+ case 'urn:mpeg:dash:utc:direct:2012':
+ attributes.method = 'DIRECT';
+ attributes.value = Date.parse(attributes.value);
+ break;
+
+ case 'urn:mpeg:dash:utc:http-ntp:2014':
+ case 'urn:mpeg:dash:utc:ntp:2014':
+ case 'urn:mpeg:dash:utc:sntp:2014':
+ default:
+ throw new Error(errors.UNSUPPORTED_UTC_TIMING_SCHEME);
+ }
+
+ return attributes;
+ };
+
+ var parse = function parse(manifestString, options) {
+ if (options === void 0) {
+ options = {};
+ }
+
+ return toM3u8(toPlaylists(inheritAttributes(stringToMpdXml(manifestString), options)), options.sidxMapping);
+ };
+ /**
+ * Parses the manifest for a UTCTiming node, returning the nodes attributes if found
+ *
+ * @param {string} manifestString
+ * XML string of the MPD manifest
+ * @return {Object|null}
+ * Attributes of UTCTiming node specified in the manifest. Null if none found
+ */
+
+
+ var parseUTCTiming = function parseUTCTiming(manifestString) {
+ return parseUTCTimingScheme(stringToMpdXml(manifestString));
+ };
+
+ /**
+ * mux.js
+ *
+ * Copyright (c) Brightcove
+ * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE
+ */
+ var toUnsigned = function toUnsigned(value) {
+ return value >>> 0;
+ };
+
+ var toHexString = function toHexString(value) {
+ return ('00' + value.toString(16)).slice(-2);
+ };
+
+ var bin = {
+ toUnsigned: toUnsigned,
+ toHexString: toHexString
+ };
+
+ var inspectMp4,
+ _textifyMp,
+ toUnsigned$1 = bin.toUnsigned,
+ parseMp4Date = function parseMp4Date(seconds) {
+ return new Date(seconds * 1000 - 2082844800000);
+ },
+ parseSampleFlags = function parseSampleFlags(flags) {
+ return {
+ isLeading: (flags[0] & 0x0c) >>> 2,
+ dependsOn: flags[0] & 0x03,
+ isDependedOn: (flags[1] & 0xc0) >>> 6,
+ hasRedundancy: (flags[1] & 0x30) >>> 4,
+ paddingValue: (flags[1] & 0x0e) >>> 1,
+ isNonSyncSample: flags[1] & 0x01,
+ degradationPriority: flags[2] << 8 | flags[3]
+ };
+ },
+
+ /**
+ * Returns the string representation of an ASCII encoded four byte buffer.
+ * @param buffer {Uint8Array} a four-byte buffer to translate
+ * @return {string} the corresponding string
+ */
+ parseType = function parseType(buffer) {
+ var result = '';
+ result += String.fromCharCode(buffer[0]);
+ result += String.fromCharCode(buffer[1]);
+ result += String.fromCharCode(buffer[2]);
+ result += String.fromCharCode(buffer[3]);
+ return result;
+ },
+ // Find the data for a box specified by its path
+ findBox = function findBox(data, path) {
+ var results = [],
+ i,
+ size,
+ type,
+ end,
+ subresults;
+
+ if (!path.length) {
+ // short-circuit the search for empty paths
+ return null;
+ }
+
+ for (i = 0; i < data.byteLength;) {
+ size = toUnsigned$1(data[i] << 24 | data[i + 1] << 16 | data[i + 2] << 8 | data[i + 3]);
+ type = parseType(data.subarray(i + 4, i + 8));
+ end = size > 1 ? i + size : data.byteLength;
+
+ if (type === path[0]) {
+ if (path.length === 1) {
+ // this is the end of the path and we've found the box we were
+ // looking for
+ results.push(data.subarray(i + 8, end));
+ } else {
+ // recursively search for the next box along the path
+ subresults = findBox(data.subarray(i + 8, end), path.slice(1));
+
+ if (subresults.length) {
+ results = results.concat(subresults);
+ }
+ }
+ }
+
+ i = end;
+ } // we've finished searching all of data
+
+
+ return results;
+ },
+ nalParse = function nalParse(avcStream) {
+ var avcView = new DataView(avcStream.buffer, avcStream.byteOffset, avcStream.byteLength),
+ result = [],
+ i,
+ length;
+
+ for (i = 0; i + 4 < avcStream.length; i += length) {
+ length = avcView.getUint32(i);
+ i += 4; // bail if this doesn't appear to be an H264 stream
+
+ if (length <= 0) {
+ result.push('<span style=\'color:red;\'>MALFORMED DATA</span>');
+ continue;
+ }
+
+ switch (avcStream[i] & 0x1F) {
+ case 0x01:
+ result.push('slice_layer_without_partitioning_rbsp');
+ break;
+
+ case 0x05:
+ result.push('slice_layer_without_partitioning_rbsp_idr');
+ break;
+
+ case 0x06:
+ result.push('sei_rbsp');
+ break;
+
+ case 0x07:
+ result.push('seq_parameter_set_rbsp');
+ break;
+
+ case 0x08:
+ result.push('pic_parameter_set_rbsp');
+ break;
+
+ case 0x09:
+ result.push('access_unit_delimiter_rbsp');
+ break;
+
+ default:
+ result.push('UNKNOWN NAL - ' + avcStream[i] & 0x1F);
+ break;
+ }
+ }
+
+ return result;
+ },
+ // registry of handlers for individual mp4 box types
+ parse$1 = {
+ // codingname, not a first-class box type. stsd entries share the
+ // same format as real boxes so the parsing infrastructure can be
+ // shared
+ avc1: function avc1(data) {
+ var view = new DataView(data.buffer, data.byteOffset, data.byteLength);
+ return {
+ dataReferenceIndex: view.getUint16(6),
+ width: view.getUint16(24),
+ height: view.getUint16(26),
+ horizresolution: view.getUint16(28) + view.getUint16(30) / 16,
+ vertresolution: view.getUint16(32) + view.getUint16(34) / 16,
+ frameCount: view.getUint16(40),
+ depth: view.getUint16(74),
+ config: inspectMp4(data.subarray(78, data.byteLength))
+ };
+ },
+ avcC: function avcC(data) {
+ var view = new DataView(data.buffer, data.byteOffset, data.byteLength),
+ result = {
+ configurationVersion: data[0],
+ avcProfileIndication: data[1],
+ profileCompatibility: data[2],
+ avcLevelIndication: data[3],
+ lengthSizeMinusOne: data[4] & 0x03,
+ sps: [],
+ pps: []
+ },
+ numOfSequenceParameterSets = data[5] & 0x1f,
+ numOfPictureParameterSets,
+ nalSize,
+ offset,
+ i; // iterate past any SPSs
+
+ offset = 6;
+
+ for (i = 0; i < numOfSequenceParameterSets; i++) {
+ nalSize = view.getUint16(offset);
+ offset += 2;
+ result.sps.push(new Uint8Array(data.subarray(offset, offset + nalSize)));
+ offset += nalSize;
+ } // iterate past any PPSs
+
+
+ numOfPictureParameterSets = data[offset];
+ offset++;
+
+ for (i = 0; i < numOfPictureParameterSets; i++) {
+ nalSize = view.getUint16(offset);
+ offset += 2;
+ result.pps.push(new Uint8Array(data.subarray(offset, offset + nalSize)));
+ offset += nalSize;
+ }
+
+ return result;
+ },
+ btrt: function btrt(data) {
+ var view = new DataView(data.buffer, data.byteOffset, data.byteLength);
+ return {
+ bufferSizeDB: view.getUint32(0),
+ maxBitrate: view.getUint32(4),
+ avgBitrate: view.getUint32(8)
+ };
+ },
+ esds: function esds(data) {
+ return {
+ version: data[0],
+ flags: new Uint8Array(data.subarray(1, 4)),
+ esId: data[6] << 8 | data[7],
+ streamPriority: data[8] & 0x1f,
+ decoderConfig: {
+ objectProfileIndication: data[11],
+ streamType: data[12] >>> 2 & 0x3f,
+ bufferSize: data[13] << 16 | data[14] << 8 | data[15],
+ maxBitrate: data[16] << 24 | data[17] << 16 | data[18] << 8 | data[19],
+ avgBitrate: data[20] << 24 | data[21] << 16 | data[22] << 8 | data[23],
+ decoderConfigDescriptor: {
+ tag: data[24],
+ length: data[25],
+ audioObjectType: data[26] >>> 3 & 0x1f,
+ samplingFrequencyIndex: (data[26] & 0x07) << 1 | data[27] >>> 7 & 0x01,
+ channelConfiguration: data[27] >>> 3 & 0x0f
+ }
+ }
+ };
+ },
+ ftyp: function ftyp(data) {
+ var view = new DataView(data.buffer, data.byteOffset, data.byteLength),
+ result = {
+ majorBrand: parseType(data.subarray(0, 4)),
+ minorVersion: view.getUint32(4),
+ compatibleBrands: []
+ },
+ i = 8;
+
+ while (i < data.byteLength) {
+ result.compatibleBrands.push(parseType(data.subarray(i, i + 4)));
+ i += 4;
+ }
+
+ return result;
+ },
+ dinf: function dinf(data) {
+ return {
+ boxes: inspectMp4(data)
+ };
+ },
+ dref: function dref(data) {
+ return {
+ version: data[0],
+ flags: new Uint8Array(data.subarray(1, 4)),
+ dataReferences: inspectMp4(data.subarray(8))
+ };
+ },
+ hdlr: function hdlr(data) {
+ var view = new DataView(data.buffer, data.byteOffset, data.byteLength),
+ result = {
+ version: view.getUint8(0),
+ flags: new Uint8Array(data.subarray(1, 4)),
+ handlerType: parseType(data.subarray(8, 12)),
+ name: ''
+ },
+ i = 8; // parse out the name field
+
+ for (i = 24; i < data.byteLength; i++) {
+ if (data[i] === 0x00) {
+ // the name field is null-terminated
+ i++;
+ break;
+ }
+
+ result.name += String.fromCharCode(data[i]);
+ } // decode UTF-8 to javascript's internal representation
+ // see http://ecmanaut.blogspot.com/2006/07/encoding-decoding-utf8-in-javascript.html
+
+
+ result.name = decodeURIComponent(escape(result.name));
+ return result;
+ },
+ mdat: function mdat(data) {
+ return {
+ byteLength: data.byteLength,
+ nals: nalParse(data)
+ };
+ },
+ mdhd: function mdhd(data) {
+ var view = new DataView(data.buffer, data.byteOffset, data.byteLength),
+ i = 4,
+ language,
+ result = {
+ version: view.getUint8(0),
+ flags: new Uint8Array(data.subarray(1, 4)),
+ language: ''
+ };
+
+ if (result.version === 1) {
+ i += 4;
+ result.creationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes
+
+ i += 8;
+ result.modificationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes
+
+ i += 4;
+ result.timescale = view.getUint32(i);
+ i += 8;
+ result.duration = view.getUint32(i); // truncating top 4 bytes
+ } else {
+ result.creationTime = parseMp4Date(view.getUint32(i));
+ i += 4;
+ result.modificationTime = parseMp4Date(view.getUint32(i));
+ i += 4;
+ result.timescale = view.getUint32(i);
+ i += 4;
+ result.duration = view.getUint32(i);
+ }
+
+ i += 4; // language is stored as an ISO-639-2/T code in an array of three 5-bit fields
+ // each field is the packed difference between its ASCII value and 0x60
+
+ language = view.getUint16(i);
+ result.language += String.fromCharCode((language >> 10) + 0x60);
+ result.language += String.fromCharCode(((language & 0x03e0) >> 5) + 0x60);
+ result.language += String.fromCharCode((language & 0x1f) + 0x60);
+ return result;
+ },
+ mdia: function mdia(data) {
+ return {
+ boxes: inspectMp4(data)
+ };
+ },
+ mfhd: function mfhd(data) {
+ return {
+ version: data[0],
+ flags: new Uint8Array(data.subarray(1, 4)),
+ sequenceNumber: data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7]
+ };
+ },
+ minf: function minf(data) {
+ return {
+ boxes: inspectMp4(data)
+ };
+ },
+ // codingname, not a first-class box type. stsd entries share the
+ // same format as real boxes so the parsing infrastructure can be
+ // shared
+ mp4a: function mp4a(data) {
+ var view = new DataView(data.buffer, data.byteOffset, data.byteLength),
+ result = {
+ // 6 bytes reserved
+ dataReferenceIndex: view.getUint16(6),
+ // 4 + 4 bytes reserved
+ channelcount: view.getUint16(16),
+ samplesize: view.getUint16(18),
+ // 2 bytes pre_defined
+ // 2 bytes reserved
+ samplerate: view.getUint16(24) + view.getUint16(26) / 65536
+ }; // if there are more bytes to process, assume this is an ISO/IEC
+ // 14496-14 MP4AudioSampleEntry and parse the ESDBox
+
+ if (data.byteLength > 28) {
+ result.streamDescriptor = inspectMp4(data.subarray(28))[0];
+ }
+
+ return result;
+ },
+ moof: function moof(data) {
+ return {
+ boxes: inspectMp4(data)
+ };
+ },
+ moov: function moov(data) {
+ return {
+ boxes: inspectMp4(data)
+ };
+ },
+ mvex: function mvex(data) {
+ return {
+ boxes: inspectMp4(data)
+ };
+ },
+ mvhd: function mvhd(data) {
+ var view = new DataView(data.buffer, data.byteOffset, data.byteLength),
+ i = 4,
+ result = {
+ version: view.getUint8(0),
+ flags: new Uint8Array(data.subarray(1, 4))
+ };
+
+ if (result.version === 1) {
+ i += 4;
+ result.creationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes
+
+ i += 8;
+ result.modificationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes
+
+ i += 4;
+ result.timescale = view.getUint32(i);
+ i += 8;
+ result.duration = view.getUint32(i); // truncating top 4 bytes
+ } else {
+ result.creationTime = parseMp4Date(view.getUint32(i));
+ i += 4;
+ result.modificationTime = parseMp4Date(view.getUint32(i));
+ i += 4;
+ result.timescale = view.getUint32(i);
+ i += 4;
+ result.duration = view.getUint32(i);
+ }
+
+ i += 4; // convert fixed-point, base 16 back to a number
+
+ result.rate = view.getUint16(i) + view.getUint16(i + 2) / 16;
+ i += 4;
+ result.volume = view.getUint8(i) + view.getUint8(i + 1) / 8;
+ i += 2;
+ i += 2;
+ i += 2 * 4;
+ result.matrix = new Uint32Array(data.subarray(i, i + 9 * 4));
+ i += 9 * 4;
+ i += 6 * 4;
+ result.nextTrackId = view.getUint32(i);
+ return result;
+ },
+ pdin: function pdin(data) {
+ var view = new DataView(data.buffer, data.byteOffset, data.byteLength);
+ return {
+ version: view.getUint8(0),
+ flags: new Uint8Array(data.subarray(1, 4)),
+ rate: view.getUint32(4),
+ initialDelay: view.getUint32(8)
+ };
+ },
+ sdtp: function sdtp(data) {
+ var result = {
+ version: data[0],
+ flags: new Uint8Array(data.subarray(1, 4)),
+ samples: []
+ },
+ i;
+
+ for (i = 4; i < data.byteLength; i++) {
+ result.samples.push({
+ dependsOn: (data[i] & 0x30) >> 4,
+ isDependedOn: (data[i] & 0x0c) >> 2,
+ hasRedundancy: data[i] & 0x03
+ });
+ }
+
+ return result;
+ },
+ sidx: function sidx(data) {
+ var view = new DataView(data.buffer, data.byteOffset, data.byteLength),
+ result = {
+ version: data[0],
+ flags: new Uint8Array(data.subarray(1, 4)),
+ references: [],
+ referenceId: view.getUint32(4),
+ timescale: view.getUint32(8),
+ earliestPresentationTime: view.getUint32(12),
+ firstOffset: view.getUint32(16)
+ },
+ referenceCount = view.getUint16(22),
+ i;
+
+ for (i = 24; referenceCount; i += 12, referenceCount--) {
+ result.references.push({
+ referenceType: (data[i] & 0x80) >>> 7,
+ referencedSize: view.getUint32(i) & 0x7FFFFFFF,
+ subsegmentDuration: view.getUint32(i + 4),
+ startsWithSap: !!(data[i + 8] & 0x80),
+ sapType: (data[i + 8] & 0x70) >>> 4,
+ sapDeltaTime: view.getUint32(i + 8) & 0x0FFFFFFF
+ });
+ }
+
+ return result;
+ },
+ smhd: function smhd(data) {
+ return {
+ version: data[0],
+ flags: new Uint8Array(data.subarray(1, 4)),
+ balance: data[4] + data[5] / 256
+ };
+ },
+ stbl: function stbl(data) {
+ return {
+ boxes: inspectMp4(data)
+ };
+ },
+ stco: function stco(data) {
+ var view = new DataView(data.buffer, data.byteOffset, data.byteLength),
+ result = {
+ version: data[0],
+ flags: new Uint8Array(data.subarray(1, 4)),
+ chunkOffsets: []
+ },
+ entryCount = view.getUint32(4),
+ i;
+
+ for (i = 8; entryCount; i += 4, entryCount--) {
+ result.chunkOffsets.push(view.getUint32(i));
+ }
+
+ return result;
+ },
+ stsc: function stsc(data) {
+ var view = new DataView(data.buffer, data.byteOffset, data.byteLength),
+ entryCount = view.getUint32(4),
+ result = {
+ version: data[0],
+ flags: new Uint8Array(data.subarray(1, 4)),
+ sampleToChunks: []
+ },
+ i;
+
+ for (i = 8; entryCount; i += 12, entryCount--) {
+ result.sampleToChunks.push({
+ firstChunk: view.getUint32(i),
+ samplesPerChunk: view.getUint32(i + 4),
+ sampleDescriptionIndex: view.getUint32(i + 8)
+ });
+ }
+
+ return result;
+ },
+ stsd: function stsd(data) {
+ return {
+ version: data[0],
+ flags: new Uint8Array(data.subarray(1, 4)),
+ sampleDescriptions: inspectMp4(data.subarray(8))
+ };
+ },
+ stsz: function stsz(data) {
+ var view = new DataView(data.buffer, data.byteOffset, data.byteLength),
+ result = {
+ version: data[0],
+ flags: new Uint8Array(data.subarray(1, 4)),
+ sampleSize: view.getUint32(4),
+ entries: []
+ },
+ i;
+
+ for (i = 12; i < data.byteLength; i += 4) {
+ result.entries.push(view.getUint32(i));
+ }
+
+ return result;
+ },
+ stts: function stts(data) {
+ var view = new DataView(data.buffer, data.byteOffset, data.byteLength),
+ result = {
+ version: data[0],
+ flags: new Uint8Array(data.subarray(1, 4)),
+ timeToSamples: []
+ },
+ entryCount = view.getUint32(4),
+ i;
+
+ for (i = 8; entryCount; i += 8, entryCount--) {
+ result.timeToSamples.push({
+ sampleCount: view.getUint32(i),
+ sampleDelta: view.getUint32(i + 4)
+ });
+ }
+
+ return result;
+ },
+ styp: function styp(data) {
+ return parse$1.ftyp(data);
+ },
+ tfdt: function tfdt(data) {
+ var result = {
+ version: data[0],
+ flags: new Uint8Array(data.subarray(1, 4)),
+ baseMediaDecodeTime: toUnsigned$1(data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7])
+ };
+
+ if (result.version === 1) {
+ result.baseMediaDecodeTime *= Math.pow(2, 32);
+ result.baseMediaDecodeTime += toUnsigned$1(data[8] << 24 | data[9] << 16 | data[10] << 8 | data[11]);
+ }
+
+ return result;
+ },
+ tfhd: function tfhd(data) {
+ var view = new DataView(data.buffer, data.byteOffset, data.byteLength),
+ result = {
+ version: data[0],
+ flags: new Uint8Array(data.subarray(1, 4)),
+ trackId: view.getUint32(4)
+ },
+ baseDataOffsetPresent = result.flags[2] & 0x01,
+ sampleDescriptionIndexPresent = result.flags[2] & 0x02,
+ defaultSampleDurationPresent = result.flags[2] & 0x08,
+ defaultSampleSizePresent = result.flags[2] & 0x10,
+ defaultSampleFlagsPresent = result.flags[2] & 0x20,
+ durationIsEmpty = result.flags[0] & 0x010000,
+ defaultBaseIsMoof = result.flags[0] & 0x020000,
+ i;
+ i = 8;
+
+ if (baseDataOffsetPresent) {
+ i += 4; // truncate top 4 bytes
+ // FIXME: should we read the full 64 bits?
+
+ result.baseDataOffset = view.getUint32(12);
+ i += 4;
+ }
+
+ if (sampleDescriptionIndexPresent) {
+ result.sampleDescriptionIndex = view.getUint32(i);
+ i += 4;
+ }
+
+ if (defaultSampleDurationPresent) {
+ result.defaultSampleDuration = view.getUint32(i);
+ i += 4;
+ }
+
+ if (defaultSampleSizePresent) {
+ result.defaultSampleSize = view.getUint32(i);
+ i += 4;
+ }
+
+ if (defaultSampleFlagsPresent) {
+ result.defaultSampleFlags = view.getUint32(i);
+ }
+
+ if (durationIsEmpty) {
+ result.durationIsEmpty = true;
+ }
+
+ if (!baseDataOffsetPresent && defaultBaseIsMoof) {
+ result.baseDataOffsetIsMoof = true;
+ }
+
+ return result;
+ },
+ tkhd: function tkhd(data) {
+ var view = new DataView(data.buffer, data.byteOffset, data.byteLength),
+ i = 4,
+ result = {
+ version: view.getUint8(0),
+ flags: new Uint8Array(data.subarray(1, 4))
+ };
+
+ if (result.version === 1) {
+ i += 4;
+ result.creationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes
+
+ i += 8;
+ result.modificationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes
+
+ i += 4;
+ result.trackId = view.getUint32(i);
+ i += 4;
+ i += 8;
+ result.duration = view.getUint32(i); // truncating top 4 bytes
+ } else {
+ result.creationTime = parseMp4Date(view.getUint32(i));
+ i += 4;
+ result.modificationTime = parseMp4Date(view.getUint32(i));
+ i += 4;
+ result.trackId = view.getUint32(i);
+ i += 4;
+ i += 4;
+ result.duration = view.getUint32(i);
+ }
+
+ i += 4;
+ i += 2 * 4;
+ result.layer = view.getUint16(i);
+ i += 2;
+ result.alternateGroup = view.getUint16(i);
+ i += 2; // convert fixed-point, base 16 back to a number
+
+ result.volume = view.getUint8(i) + view.getUint8(i + 1) / 8;
+ i += 2;
+ i += 2;
+ result.matrix = new Uint32Array(data.subarray(i, i + 9 * 4));
+ i += 9 * 4;
+ result.width = view.getUint16(i) + view.getUint16(i + 2) / 16;
+ i += 4;
+ result.height = view.getUint16(i) + view.getUint16(i + 2) / 16;
+ return result;
+ },
+ traf: function traf(data) {
+ return {
+ boxes: inspectMp4(data)
+ };
+ },
+ trak: function trak(data) {
+ return {
+ boxes: inspectMp4(data)
+ };
+ },
+ trex: function trex(data) {
+ var view = new DataView(data.buffer, data.byteOffset, data.byteLength);
+ return {
+ version: data[0],
+ flags: new Uint8Array(data.subarray(1, 4)),
+ trackId: view.getUint32(4),
+ defaultSampleDescriptionIndex: view.getUint32(8),
+ defaultSampleDuration: view.getUint32(12),
+ defaultSampleSize: view.getUint32(16),
+ sampleDependsOn: data[20] & 0x03,
+ sampleIsDependedOn: (data[21] & 0xc0) >> 6,
+ sampleHasRedundancy: (data[21] & 0x30) >> 4,
+ samplePaddingValue: (data[21] & 0x0e) >> 1,
+ sampleIsDifferenceSample: !!(data[21] & 0x01),
+ sampleDegradationPriority: view.getUint16(22)
+ };
+ },
+ trun: function trun(data) {
+ var result = {
+ version: data[0],
+ flags: new Uint8Array(data.subarray(1, 4)),
+ samples: []
+ },
+ view = new DataView(data.buffer, data.byteOffset, data.byteLength),
+ // Flag interpretation
+ dataOffsetPresent = result.flags[2] & 0x01,
+ // compare with 2nd byte of 0x1
+ firstSampleFlagsPresent = result.flags[2] & 0x04,
+ // compare with 2nd byte of 0x4
+ sampleDurationPresent = result.flags[1] & 0x01,
+ // compare with 2nd byte of 0x100
+ sampleSizePresent = result.flags[1] & 0x02,
+ // compare with 2nd byte of 0x200
+ sampleFlagsPresent = result.flags[1] & 0x04,
+ // compare with 2nd byte of 0x400
+ sampleCompositionTimeOffsetPresent = result.flags[1] & 0x08,
+ // compare with 2nd byte of 0x800
+ sampleCount = view.getUint32(4),
+ offset = 8,
+ sample;
+
+ if (dataOffsetPresent) {
+ // 32 bit signed integer
+ result.dataOffset = view.getInt32(offset);
+ offset += 4;
+ } // Overrides the flags for the first sample only. The order of
+ // optional values will be: duration, size, compositionTimeOffset
+
+
+ if (firstSampleFlagsPresent && sampleCount) {
+ sample = {
+ flags: parseSampleFlags(data.subarray(offset, offset + 4))
+ };
+ offset += 4;
+
+ if (sampleDurationPresent) {
+ sample.duration = view.getUint32(offset);
+ offset += 4;
+ }
+
+ if (sampleSizePresent) {
+ sample.size = view.getUint32(offset);
+ offset += 4;
+ }
+
+ if (sampleCompositionTimeOffsetPresent) {
+ // Note: this should be a signed int if version is 1
+ sample.compositionTimeOffset = view.getUint32(offset);
+ offset += 4;
+ }
+
+ result.samples.push(sample);
+ sampleCount--;
+ }
+
+ while (sampleCount--) {
+ sample = {};
+
+ if (sampleDurationPresent) {
+ sample.duration = view.getUint32(offset);
+ offset += 4;
+ }
+
+ if (sampleSizePresent) {
+ sample.size = view.getUint32(offset);
+ offset += 4;
+ }
+
+ if (sampleFlagsPresent) {
+ sample.flags = parseSampleFlags(data.subarray(offset, offset + 4));
+ offset += 4;
+ }
+
+ if (sampleCompositionTimeOffsetPresent) {
+ // Note: this should be a signed int if version is 1
+ sample.compositionTimeOffset = view.getUint32(offset);
+ offset += 4;
+ }
+
+ result.samples.push(sample);
+ }
+
+ return result;
+ },
+ 'url ': function url(data) {
+ return {
+ version: data[0],
+ flags: new Uint8Array(data.subarray(1, 4))
+ };
+ },
+ vmhd: function vmhd(data) {
+ var view = new DataView(data.buffer, data.byteOffset, data.byteLength);
+ return {
+ version: data[0],
+ flags: new Uint8Array(data.subarray(1, 4)),
+ graphicsmode: view.getUint16(4),
+ opcolor: new Uint16Array([view.getUint16(6), view.getUint16(8), view.getUint16(10)])
+ };
+ }
+ };
+ /**
+ * Return a javascript array of box objects parsed from an ISO base
+ * media file.
+ * @param data {Uint8Array} the binary data of the media to be inspected
+ * @return {array} a javascript array of potentially nested box objects
+ */
+
+
+ inspectMp4 = function inspectMp4(data) {
+ var i = 0,
+ result = [],
+ view,
+ size,
+ type,
+ end,
+ box; // Convert data from Uint8Array to ArrayBuffer, to follow Dataview API
+
+ var ab = new ArrayBuffer(data.length);
+ var v = new Uint8Array(ab);
+
+ for (var z = 0; z < data.length; ++z) {
+ v[z] = data[z];
+ }
+
+ view = new DataView(ab);
+
+ while (i < data.byteLength) {
+ // parse box data
+ size = view.getUint32(i);
+ type = parseType(data.subarray(i + 4, i + 8));
+ end = size > 1 ? i + size : data.byteLength; // parse type-specific data
+
+ box = (parse$1[type] || function (data) {
+ return {
+ data: data
+ };
+ })(data.subarray(i + 8, end));
+
+ box.size = size;
+ box.type = type; // store this box and move to the next
+
+ result.push(box);
+ i = end;
+ }
+
+ return result;
+ };
+ /**
+ * Returns a textual representation of the javascript represtentation
+ * of an MP4 file. You can use it as an alternative to
+ * JSON.stringify() to compare inspected MP4s.
+ * @param inspectedMp4 {array} the parsed array of boxes in an MP4
+ * file
+ * @param depth {number} (optional) the number of ancestor boxes of
+ * the elements of inspectedMp4. Assumed to be zero if unspecified.
+ * @return {string} a text representation of the parsed MP4
+ */
+
+
+ _textifyMp = function textifyMp4(inspectedMp4, depth) {
+ var indent;
+ depth = depth || 0;
+ indent = new Array(depth * 2 + 1).join(' '); // iterate over all the boxes
+
+ return inspectedMp4.map(function (box, index) {
+ // list the box type first at the current indentation level
+ return indent + box.type + '\n' + // the type is already included and handle child boxes separately
+ Object.keys(box).filter(function (key) {
+ return key !== 'type' && key !== 'boxes'; // output all the box properties
+ }).map(function (key) {
+ var prefix = indent + ' ' + key + ': ',
+ value = box[key]; // print out raw bytes as hexademical
+
+ if (value instanceof Uint8Array || value instanceof Uint32Array) {
+ var bytes = Array.prototype.slice.call(new Uint8Array(value.buffer, value.byteOffset, value.byteLength)).map(function (_byte) {
+ return ' ' + ('00' + _byte.toString(16)).slice(-2);
+ }).join('').match(/.{1,24}/g);
+
+ if (!bytes) {
+ return prefix + '<>';
+ }
+
+ if (bytes.length === 1) {
+ return prefix + '<' + bytes.join('').slice(1) + '>';
+ }
+
+ return prefix + '<\n' + bytes.map(function (line) {
+ return indent + ' ' + line;
+ }).join('\n') + '\n' + indent + ' >';
+ } // stringify generic objects
+
+
+ return prefix + JSON.stringify(value, null, 2).split('\n').map(function (line, index) {
+ if (index === 0) {
+ return line;
+ }
+
+ return indent + ' ' + line;
+ }).join('\n');
+ }).join('\n') + ( // recursively textify the child boxes
+ box.boxes ? '\n' + _textifyMp(box.boxes, depth + 1) : '');
+ }).join('\n');
+ };
+
+ var mp4Inspector = {
+ inspect: inspectMp4,
+ textify: _textifyMp,
+ parseType: parseType,
+ findBox: findBox,
+ parseTraf: parse$1.traf,
+ parseTfdt: parse$1.tfdt,
+ parseHdlr: parse$1.hdlr,
+ parseTfhd: parse$1.tfhd,
+ parseTrun: parse$1.trun,
+ parseSidx: parse$1.sidx
+ };
+
+ var toUnsigned$2 = bin.toUnsigned;
+ var toHexString$1 = bin.toHexString;
+ var timescale, startTime, compositionStartTime, getVideoTrackIds, getTracks;
+ /**
+ * Parses an MP4 initialization segment and extracts the timescale
+ * values for any declared tracks. Timescale values indicate the
+ * number of clock ticks per second to assume for time-based values
+ * elsewhere in the MP4.
+ *
+ * To determine the start time of an MP4, you need two pieces of
+ * information: the timescale unit and the earliest base media decode
+ * time. Multiple timescales can be specified within an MP4 but the
+ * base media decode time is always expressed in the timescale from
+ * the media header box for the track:
+ * ```
+ * moov > trak > mdia > mdhd.timescale
+ * ```
+ * @param init {Uint8Array} the bytes of the init segment
+ * @return {object} a hash of track ids to timescale values or null if
+ * the init segment is malformed.
+ */
+
+ timescale = function timescale(init) {
+ var result = {},
+ traks = mp4Inspector.findBox(init, ['moov', 'trak']); // mdhd timescale
+
+ return traks.reduce(function (result, trak) {
+ var tkhd, version, index, id, mdhd;
+ tkhd = mp4Inspector.findBox(trak, ['tkhd'])[0];
+
+ if (!tkhd) {
+ return null;
+ }
+
+ version = tkhd[0];
+ index = version === 0 ? 12 : 20;
+ id = toUnsigned$2(tkhd[index] << 24 | tkhd[index + 1] << 16 | tkhd[index + 2] << 8 | tkhd[index + 3]);
+ mdhd = mp4Inspector.findBox(trak, ['mdia', 'mdhd'])[0];
+
+ if (!mdhd) {
+ return null;
+ }
+
+ version = mdhd[0];
+ index = version === 0 ? 12 : 20;
+ result[id] = toUnsigned$2(mdhd[index] << 24 | mdhd[index + 1] << 16 | mdhd[index + 2] << 8 | mdhd[index + 3]);
+ return result;
+ }, result);
+ };
+ /**
+ * Determine the base media decode start time, in seconds, for an MP4
+ * fragment. If multiple fragments are specified, the earliest time is
+ * returned.
+ *
+ * The base media decode time can be parsed from track fragment
+ * metadata:
+ * ```
+ * moof > traf > tfdt.baseMediaDecodeTime
+ * ```
+ * It requires the timescale value from the mdhd to interpret.
+ *
+ * @param timescale {object} a hash of track ids to timescale values.
+ * @return {number} the earliest base media decode start time for the
+ * fragment, in seconds
+ */
+
+
+ startTime = function startTime(timescale, fragment) {
+ var trafs, baseTimes, result; // we need info from two childrend of each track fragment box
+
+ trafs = mp4Inspector.findBox(fragment, ['moof', 'traf']); // determine the start times for each track
+
+ baseTimes = [].concat.apply([], trafs.map(function (traf) {
+ return mp4Inspector.findBox(traf, ['tfhd']).map(function (tfhd) {
+ var id, scale, baseTime; // get the track id from the tfhd
+
+ id = toUnsigned$2(tfhd[4] << 24 | tfhd[5] << 16 | tfhd[6] << 8 | tfhd[7]); // assume a 90kHz clock if no timescale was specified
+
+ scale = timescale[id] || 90e3; // get the base media decode time from the tfdt
+
+ baseTime = mp4Inspector.findBox(traf, ['tfdt']).map(function (tfdt) {
+ var version, result;
+ version = tfdt[0];
+ result = toUnsigned$2(tfdt[4] << 24 | tfdt[5] << 16 | tfdt[6] << 8 | tfdt[7]);
+
+ if (version === 1) {
+ result *= Math.pow(2, 32);
+ result += toUnsigned$2(tfdt[8] << 24 | tfdt[9] << 16 | tfdt[10] << 8 | tfdt[11]);
+ }
+
+ return result;
+ })[0];
+ baseTime = baseTime || Infinity; // convert base time to seconds
+
+ return baseTime / scale;
+ });
+ })); // return the minimum
+
+ result = Math.min.apply(null, baseTimes);
+ return isFinite(result) ? result : 0;
+ };
+ /**
+ * Determine the composition start, in seconds, for an MP4
+ * fragment.
+ *
+ * The composition start time of a fragment can be calculated using the base
+ * media decode time, composition time offset, and timescale, as follows:
+ *
+ * compositionStartTime = (baseMediaDecodeTime + compositionTimeOffset) / timescale
+ *
+ * All of the aforementioned information is contained within a media fragment's
+ * `traf` box, except for timescale info, which comes from the initialization
+ * segment, so a track id (also contained within a `traf`) is also necessary to
+ * associate it with a timescale
+ *
+ *
+ * @param timescales {object} - a hash of track ids to timescale values.
+ * @param fragment {Unit8Array} - the bytes of a media segment
+ * @return {number} the composition start time for the fragment, in seconds
+ **/
+
+
+ compositionStartTime = function compositionStartTime(timescales, fragment) {
+ var trafBoxes = mp4Inspector.findBox(fragment, ['moof', 'traf']);
+ var baseMediaDecodeTime = 0;
+ var compositionTimeOffset = 0;
+ var trackId;
+
+ if (trafBoxes && trafBoxes.length) {
+ // The spec states that track run samples contained within a `traf` box are contiguous, but
+ // it does not explicitly state whether the `traf` boxes themselves are contiguous.
+ // We will assume that they are, so we only need the first to calculate start time.
+ var parsedTraf = mp4Inspector.parseTraf(trafBoxes[0]);
+
+ for (var i = 0; i < parsedTraf.boxes.length; i++) {
+ if (parsedTraf.boxes[i].type === 'tfhd') {
+ trackId = parsedTraf.boxes[i].trackId;
+ } else if (parsedTraf.boxes[i].type === 'tfdt') {
+ baseMediaDecodeTime = parsedTraf.boxes[i].baseMediaDecodeTime;
+ } else if (parsedTraf.boxes[i].type === 'trun' && parsedTraf.boxes[i].samples.length) {
+ compositionTimeOffset = parsedTraf.boxes[i].samples[0].compositionTimeOffset || 0;
+ }
+ }
+ } // Get timescale for this specific track. Assume a 90kHz clock if no timescale was
+ // specified.
+
+
+ var timescale = timescales[trackId] || 90e3; // return the composition start time, in seconds
+
+ return (baseMediaDecodeTime + compositionTimeOffset) / timescale;
+ };
+ /**
+ * Find the trackIds of the video tracks in this source.
+ * Found by parsing the Handler Reference and Track Header Boxes:
+ * moov > trak > mdia > hdlr
+ * moov > trak > tkhd
+ *
+ * @param {Uint8Array} init - The bytes of the init segment for this source
+ * @return {Number[]} A list of trackIds
+ *
+ * @see ISO-BMFF-12/2015, Section 8.4.3
+ **/
+
+
+ getVideoTrackIds = function getVideoTrackIds(init) {
+ var traks = mp4Inspector.findBox(init, ['moov', 'trak']);
+ var videoTrackIds = [];
+ traks.forEach(function (trak) {
+ var hdlrs = mp4Inspector.findBox(trak, ['mdia', 'hdlr']);
+ var tkhds = mp4Inspector.findBox(trak, ['tkhd']);
+ hdlrs.forEach(function (hdlr, index) {
+ var handlerType = mp4Inspector.parseType(hdlr.subarray(8, 12));
+ var tkhd = tkhds[index];
+ var view;
+ var version;
+ var trackId;
+
+ if (handlerType === 'vide') {
+ view = new DataView(tkhd.buffer, tkhd.byteOffset, tkhd.byteLength);
+ version = view.getUint8(0);
+ trackId = version === 0 ? view.getUint32(12) : view.getUint32(20);
+ videoTrackIds.push(trackId);
+ }
+ });
+ });
+ return videoTrackIds;
+ };
+ /**
+ * Get all the video, audio, and hint tracks from a non fragmented
+ * mp4 segment
+ */
+
+
+ getTracks = function getTracks(init) {
+ var traks = mp4Inspector.findBox(init, ['moov', 'trak']);
+ var tracks = [];
+ traks.forEach(function (trak) {
+ var track = {};
+ var tkhd = mp4Inspector.findBox(trak, ['tkhd'])[0];
+ var view, version; // id
+
+ if (tkhd) {
+ view = new DataView(tkhd.buffer, tkhd.byteOffset, tkhd.byteLength);
+ version = view.getUint8(0);
+ track.id = version === 0 ? view.getUint32(12) : view.getUint32(20);
+ }
+
+ var hdlr = mp4Inspector.findBox(trak, ['mdia', 'hdlr'])[0]; // type
+
+ if (hdlr) {
+ var type = mp4Inspector.parseType(hdlr.subarray(8, 12));
+
+ if (type === 'vide') {
+ track.type = 'video';
+ } else if (type === 'soun') {
+ track.type = 'audio';
+ } else {
+ track.type = type;
+ }
+ } // codec
+
+
+ var stsd = mp4Inspector.findBox(trak, ['mdia', 'minf', 'stbl', 'stsd'])[0];
+
+ if (stsd) {
+ var sampleDescriptions = stsd.subarray(8); // gives the codec type string
+
+ track.codec = mp4Inspector.parseType(sampleDescriptions.subarray(4, 8));
+ var codecBox = mp4Inspector.findBox(sampleDescriptions, [track.codec])[0];
+ var codecConfig, codecConfigType;
+
+ if (codecBox) {
+ // https://tools.ietf.org/html/rfc6381#section-3.3
+ if (/^[a-z]vc[1-9]$/i.test(track.codec)) {
+ // we don't need anything but the "config" parameter of the
+ // avc1 codecBox
+ codecConfig = codecBox.subarray(78);
+ codecConfigType = mp4Inspector.parseType(codecConfig.subarray(4, 8));
+
+ if (codecConfigType === 'avcC' && codecConfig.length > 11) {
+ track.codec += '.'; // left padded with zeroes for single digit hex
+ // profile idc
+
+ track.codec += toHexString$1(codecConfig[9]); // the byte containing the constraint_set flags
+
+ track.codec += toHexString$1(codecConfig[10]); // level idc
+
+ track.codec += toHexString$1(codecConfig[11]);
+ } else {
+ // TODO: show a warning that we couldn't parse the codec
+ // and are using the default
+ track.codec = 'avc1.4d400d';
+ }
+ } else if (/^mp4[a,v]$/i.test(track.codec)) {
+ // we do not need anything but the streamDescriptor of the mp4a codecBox
+ codecConfig = codecBox.subarray(28);
+ codecConfigType = mp4Inspector.parseType(codecConfig.subarray(4, 8));
+
+ if (codecConfigType === 'esds' && codecConfig.length > 20 && codecConfig[19] !== 0) {
+ track.codec += '.' + toHexString$1(codecConfig[19]); // this value is only a single digit
+
+ track.codec += '.' + toHexString$1(codecConfig[20] >>> 2 & 0x3f).replace(/^0/, '');
+ } else {
+ // TODO: show a warning that we couldn't parse the codec
+ // and are using the default
+ track.codec = 'mp4a.40.2';
+ }
+ }
+ }
+ }
+
+ var mdhd = mp4Inspector.findBox(trak, ['mdia', 'mdhd'])[0];
+
+ if (mdhd && tkhd) {
+ var index = version === 0 ? 12 : 20;
+ track.timescale = toUnsigned$2(mdhd[index] << 24 | mdhd[index + 1] << 16 | mdhd[index + 2] << 8 | mdhd[index + 3]);
+ }
+
+ tracks.push(track);
+ });
+ return tracks;
+ };
+
+ var probe = {
+ // export mp4 inspector's findBox and parseType for backwards compatibility
+ findBox: mp4Inspector.findBox,
+ parseType: mp4Inspector.parseType,
+ timescale: timescale,
+ startTime: startTime,
+ compositionStartTime: compositionStartTime,
+ videoTrackIds: getVideoTrackIds,
+ tracks: getTracks
+ };
+
+ /**
+ * mux.js
+ *
+ * Copyright (c) Brightcove
+ * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE
+ *
+ * Reads in-band caption information from a video elementary
+ * stream. Captions must follow the CEA-708 standard for injection
+ * into an MPEG-2 transport streams.
+ * @see https://en.wikipedia.org/wiki/CEA-708
+ * @see https://www.gpo.gov/fdsys/pkg/CFR-2007-title47-vol1/pdf/CFR-2007-title47-vol1-sec15-119.pdf
+ */
+ // payload type field to indicate how they are to be
+ // interpreted. CEAS-708 caption content is always transmitted with
+ // payload type 0x04.
+
+ var USER_DATA_REGISTERED_ITU_T_T35 = 4,
+ RBSP_TRAILING_BITS = 128;
+ /**
+ * Parse a supplemental enhancement information (SEI) NAL unit.
+ * Stops parsing once a message of type ITU T T35 has been found.
+ *
+ * @param bytes {Uint8Array} the bytes of a SEI NAL unit
+ * @return {object} the parsed SEI payload
+ * @see Rec. ITU-T H.264, 7.3.2.3.1
+ */
+
+ var parseSei = function parseSei(bytes) {
+ var i = 0,
+ result = {
+ payloadType: -1,
+ payloadSize: 0
+ },
+ payloadType = 0,
+ payloadSize = 0; // go through the sei_rbsp parsing each each individual sei_message
+
+ while (i < bytes.byteLength) {
+ // stop once we have hit the end of the sei_rbsp
+ if (bytes[i] === RBSP_TRAILING_BITS) {
+ break;
+ } // Parse payload type
+
+
+ while (bytes[i] === 0xFF) {
+ payloadType += 255;
+ i++;
+ }
+
+ payloadType += bytes[i++]; // Parse payload size
+
+ while (bytes[i] === 0xFF) {
+ payloadSize += 255;
+ i++;
+ }
+
+ payloadSize += bytes[i++]; // this sei_message is a 608/708 caption so save it and break
+ // there can only ever be one caption message in a frame's sei
+
+ if (!result.payload && payloadType === USER_DATA_REGISTERED_ITU_T_T35) {
+ result.payloadType = payloadType;
+ result.payloadSize = payloadSize;
+ result.payload = bytes.subarray(i, i + payloadSize);
+ break;
+ } // skip the payload and parse the next message
+
+
+ i += payloadSize;
+ payloadType = 0;
+ payloadSize = 0;
+ }
+
+ return result;
+ }; // see ANSI/SCTE 128-1 (2013), section 8.1
+
+
+ var parseUserData = function parseUserData(sei) {
+ // itu_t_t35_contry_code must be 181 (United States) for
+ // captions
+ if (sei.payload[0] !== 181) {
+ return null;
+ } // itu_t_t35_provider_code should be 49 (ATSC) for captions
+
+
+ if ((sei.payload[1] << 8 | sei.payload[2]) !== 49) {
+ return null;
+ } // the user_identifier should be "GA94" to indicate ATSC1 data
+
+
+ if (String.fromCharCode(sei.payload[3], sei.payload[4], sei.payload[5], sei.payload[6]) !== 'GA94') {
+ return null;
+ } // finally, user_data_type_code should be 0x03 for caption data
+
+
+ if (sei.payload[7] !== 0x03) {
+ return null;
+ } // return the user_data_type_structure and strip the trailing
+ // marker bits
+
+
+ return sei.payload.subarray(8, sei.payload.length - 1);
+ }; // see CEA-708-D, section 4.4
+
+
+ var parseCaptionPackets = function parseCaptionPackets(pts, userData) {
+ var results = [],
+ i,
+ count,
+ offset,
+ data; // if this is just filler, return immediately
+
+ if (!(userData[0] & 0x40)) {
+ return results;
+ } // parse out the cc_data_1 and cc_data_2 fields
+
+
+ count = userData[0] & 0x1f;
+
+ for (i = 0; i < count; i++) {
+ offset = i * 3;
+ data = {
+ type: userData[offset + 2] & 0x03,
+ pts: pts
+ }; // capture cc data when cc_valid is 1
+
+ if (userData[offset + 2] & 0x04) {
+ data.ccData = userData[offset + 3] << 8 | userData[offset + 4];
+ results.push(data);
+ }
+ }
+
+ return results;
+ };
+
+ var discardEmulationPreventionBytes = function discardEmulationPreventionBytes(data) {
+ var length = data.byteLength,
+ emulationPreventionBytesPositions = [],
+ i = 1,
+ newLength,
+ newData; // Find all `Emulation Prevention Bytes`
+
+ while (i < length - 2) {
+ if (data[i] === 0 && data[i + 1] === 0 && data[i + 2] === 0x03) {
+ emulationPreventionBytesPositions.push(i + 2);
+ i += 2;
+ } else {
+ i++;
+ }
+ } // If no Emulation Prevention Bytes were found just return the original
+ // array
+
+
+ if (emulationPreventionBytesPositions.length === 0) {
+ return data;
+ } // Create a new array to hold the NAL unit data
+
+
+ newLength = length - emulationPreventionBytesPositions.length;
+ newData = new Uint8Array(newLength);
+ var sourceIndex = 0;
+
+ for (i = 0; i < newLength; sourceIndex++, i++) {
+ if (sourceIndex === emulationPreventionBytesPositions[0]) {
+ // Skip this byte
+ sourceIndex++; // Remove this position index
+
+ emulationPreventionBytesPositions.shift();
+ }
+
+ newData[i] = data[sourceIndex];
+ }
+
+ return newData;
+ }; // exports
+
+
+ var captionPacketParser = {
+ parseSei: parseSei,
+ parseUserData: parseUserData,
+ parseCaptionPackets: parseCaptionPackets,
+ discardEmulationPreventionBytes: discardEmulationPreventionBytes,
+ USER_DATA_REGISTERED_ITU_T_T35: USER_DATA_REGISTERED_ITU_T_T35
+ };
+
+ /**
+ * mux.js
+ *
+ * Copyright (c) Brightcove
+ * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE
+ *
+ * A lightweight readable stream implemention that handles event dispatching.
+ * Objects that inherit from streams should call init in their constructors.
+ */
+
+ var Stream$1 = function Stream() {
+ this.init = function () {
+ var listeners = {};
+ /**
+ * Add a listener for a specified event type.
+ * @param type {string} the event name
+ * @param listener {function} the callback to be invoked when an event of
+ * the specified type occurs
+ */
+
+ this.on = function (type, listener) {
+ if (!listeners[type]) {
+ listeners[type] = [];
+ }
+
+ listeners[type] = listeners[type].concat(listener);
+ };
+ /**
+ * Remove a listener for a specified event type.
+ * @param type {string} the event name
+ * @param listener {function} a function previously registered for this
+ * type of event through `on`
+ */
+
+
+ this.off = function (type, listener) {
+ var index;
+
+ if (!listeners[type]) {
+ return false;
+ }
+
+ index = listeners[type].indexOf(listener);
+ listeners[type] = listeners[type].slice();
+ listeners[type].splice(index, 1);
+ return index > -1;
+ };
+ /**
+ * Trigger an event of the specified type on this stream. Any additional
+ * arguments to this function are passed as parameters to event listeners.
+ * @param type {string} the event name
+ */
+
+
+ this.trigger = function (type) {
+ var callbacks, i, length, args;
+ callbacks = listeners[type];
+
+ if (!callbacks) {
+ return;
+ } // Slicing the arguments on every invocation of this method
+ // can add a significant amount of overhead. Avoid the
+ // intermediate object creation for the common case of a
+ // single callback argument
+
+
+ if (arguments.length === 2) {
+ length = callbacks.length;
+
+ for (i = 0; i < length; ++i) {
+ callbacks[i].call(this, arguments[1]);
+ }
+ } else {
+ args = [];
+ i = arguments.length;
+
+ for (i = 1; i < arguments.length; ++i) {
+ args.push(arguments[i]);
+ }
+
+ length = callbacks.length;
+
+ for (i = 0; i < length; ++i) {
+ callbacks[i].apply(this, args);
+ }
+ }
+ };
+ /**
+ * Destroys the stream and cleans up.
+ */
+
+
+ this.dispose = function () {
+ listeners = {};
+ };
+ };
+ };
+ /**
+ * Forwards all `data` events on this stream to the destination stream. The
+ * destination stream should provide a method `push` to receive the data
+ * events as they arrive.
+ * @param destination {stream} the stream that will receive all `data` events
+ * @param autoFlush {boolean} if false, we will not call `flush` on the destination
+ * when the current stream emits a 'done' event
+ * @see http://nodejs.org/api/stream.html#stream_readable_pipe_destination_options
+ */
+
+
+ Stream$1.prototype.pipe = function (destination) {
+ this.on('data', function (data) {
+ destination.push(data);
+ });
+ this.on('done', function (flushSource) {
+ destination.flush(flushSource);
+ });
+ this.on('partialdone', function (flushSource) {
+ destination.partialFlush(flushSource);
+ });
+ this.on('endedtimeline', function (flushSource) {
+ destination.endTimeline(flushSource);
+ });
+ this.on('reset', function (flushSource) {
+ destination.reset(flushSource);
+ });
+ return destination;
+ }; // Default stream functions that are expected to be overridden to perform
+ // actual work. These are provided by the prototype as a sort of no-op
+ // implementation so that we don't have to check for their existence in the
+ // `pipe` function above.
+
+
+ Stream$1.prototype.push = function (data) {
+ this.trigger('data', data);
+ };
+
+ Stream$1.prototype.flush = function (flushSource) {
+ this.trigger('done', flushSource);
+ };
+
+ Stream$1.prototype.partialFlush = function (flushSource) {
+ this.trigger('partialdone', flushSource);
+ };
+
+ Stream$1.prototype.endTimeline = function (flushSource) {
+ this.trigger('endedtimeline', flushSource);
+ };
+
+ Stream$1.prototype.reset = function (flushSource) {
+ this.trigger('reset', flushSource);
+ };
+
+ var stream = Stream$1;
+
+ // Link To Transport
+ // -----------------
+
+
+ var CaptionStream = function CaptionStream() {
+ CaptionStream.prototype.init.call(this);
+ this.captionPackets_ = [];
+ this.ccStreams_ = [new Cea608Stream(0, 0), // eslint-disable-line no-use-before-define
+ new Cea608Stream(0, 1), // eslint-disable-line no-use-before-define
+ new Cea608Stream(1, 0), // eslint-disable-line no-use-before-define
+ new Cea608Stream(1, 1) // eslint-disable-line no-use-before-define
+ ];
+ this.reset(); // forward data and done events from CCs to this CaptionStream
+
+ this.ccStreams_.forEach(function (cc) {
+ cc.on('data', this.trigger.bind(this, 'data'));
+ cc.on('partialdone', this.trigger.bind(this, 'partialdone'));
+ cc.on('done', this.trigger.bind(this, 'done'));
+ }, this);
+ };
+
+ CaptionStream.prototype = new stream();
+
+ CaptionStream.prototype.push = function (event) {
+ var sei, userData, newCaptionPackets; // only examine SEI NALs
+
+ if (event.nalUnitType !== 'sei_rbsp') {
+ return;
+ } // parse the sei
+
+
+ sei = captionPacketParser.parseSei(event.escapedRBSP); // ignore everything but user_data_registered_itu_t_t35
+
+ if (sei.payloadType !== captionPacketParser.USER_DATA_REGISTERED_ITU_T_T35) {
+ return;
+ } // parse out the user data payload
+
+
+ userData = captionPacketParser.parseUserData(sei); // ignore unrecognized userData
+
+ if (!userData) {
+ return;
+ } // Sometimes, the same segment # will be downloaded twice. To stop the
+ // caption data from being processed twice, we track the latest dts we've
+ // received and ignore everything with a dts before that. However, since
+ // data for a specific dts can be split across packets on either side of
+ // a segment boundary, we need to make sure we *don't* ignore the packets
+ // from the *next* segment that have dts === this.latestDts_. By constantly
+ // tracking the number of packets received with dts === this.latestDts_, we
+ // know how many should be ignored once we start receiving duplicates.
+
+
+ if (event.dts < this.latestDts_) {
+ // We've started getting older data, so set the flag.
+ this.ignoreNextEqualDts_ = true;
+ return;
+ } else if (event.dts === this.latestDts_ && this.ignoreNextEqualDts_) {
+ this.numSameDts_--;
+
+ if (!this.numSameDts_) {
+ // We've received the last duplicate packet, time to start processing again
+ this.ignoreNextEqualDts_ = false;
+ }
+
+ return;
+ } // parse out CC data packets and save them for later
+
+
+ newCaptionPackets = captionPacketParser.parseCaptionPackets(event.pts, userData);
+ this.captionPackets_ = this.captionPackets_.concat(newCaptionPackets);
+
+ if (this.latestDts_ !== event.dts) {
+ this.numSameDts_ = 0;
+ }
+
+ this.numSameDts_++;
+ this.latestDts_ = event.dts;
+ };
+
+ CaptionStream.prototype.flushCCStreams = function (flushType) {
+ this.ccStreams_.forEach(function (cc) {
+ return flushType === 'flush' ? cc.flush() : cc.partialFlush();
+ }, this);
+ };
+
+ CaptionStream.prototype.flushStream = function (flushType) {
+ // make sure we actually parsed captions before proceeding
+ if (!this.captionPackets_.length) {
+ this.flushCCStreams(flushType);
+ return;
+ } // In Chrome, the Array#sort function is not stable so add a
+ // presortIndex that we can use to ensure we get a stable-sort
+
+
+ this.captionPackets_.forEach(function (elem, idx) {
+ elem.presortIndex = idx;
+ }); // sort caption byte-pairs based on their PTS values
+
+ this.captionPackets_.sort(function (a, b) {
+ if (a.pts === b.pts) {
+ return a.presortIndex - b.presortIndex;
+ }
+
+ return a.pts - b.pts;
+ });
+ this.captionPackets_.forEach(function (packet) {
+ if (packet.type < 2) {
+ // Dispatch packet to the right Cea608Stream
+ this.dispatchCea608Packet(packet);
+ } // this is where an 'else' would go for a dispatching packets
+ // to a theoretical Cea708Stream that handles SERVICEn data
+
+ }, this);
+ this.captionPackets_.length = 0;
+ this.flushCCStreams(flushType);
+ };
+
+ CaptionStream.prototype.flush = function () {
+ return this.flushStream('flush');
+ }; // Only called if handling partial data
+
+
+ CaptionStream.prototype.partialFlush = function () {
+ return this.flushStream('partialFlush');
+ };
+
+ CaptionStream.prototype.reset = function () {
+ this.latestDts_ = null;
+ this.ignoreNextEqualDts_ = false;
+ this.numSameDts_ = 0;
+ this.activeCea608Channel_ = [null, null];
+ this.ccStreams_.forEach(function (ccStream) {
+ ccStream.reset();
+ });
+ }; // From the CEA-608 spec:
+
+ /*
+ * When XDS sub-packets are interleaved with other services, the end of each sub-packet shall be followed
+ * by a control pair to change to a different service. When any of the control codes from 0x10 to 0x1F is
+ * used to begin a control code pair, it indicates the return to captioning or Text data. The control code pair
+ * and subsequent data should then be processed according to the FCC rules. It may be necessary for the
+ * line 21 data encoder to automatically insert a control code pair (i.e. RCL, RU2, RU3, RU4, RDC, or RTD)
+ * to switch to captioning or Text.
+ */
+ // With that in mind, we ignore any data between an XDS control code and a
+ // subsequent closed-captioning control code.
+
+
+ CaptionStream.prototype.dispatchCea608Packet = function (packet) {
+ // NOTE: packet.type is the CEA608 field
+ if (this.setsTextOrXDSActive(packet)) {
+ this.activeCea608Channel_[packet.type] = null;
+ } else if (this.setsChannel1Active(packet)) {
+ this.activeCea608Channel_[packet.type] = 0;
+ } else if (this.setsChannel2Active(packet)) {
+ this.activeCea608Channel_[packet.type] = 1;
+ }
+
+ if (this.activeCea608Channel_[packet.type] === null) {
+ // If we haven't received anything to set the active channel, or the
+ // packets are Text/XDS data, discard the data; we don't want jumbled
+ // captions
+ return;
+ }
+
+ this.ccStreams_[(packet.type << 1) + this.activeCea608Channel_[packet.type]].push(packet);
+ };
+
+ CaptionStream.prototype.setsChannel1Active = function (packet) {
+ return (packet.ccData & 0x7800) === 0x1000;
+ };
+
+ CaptionStream.prototype.setsChannel2Active = function (packet) {
+ return (packet.ccData & 0x7800) === 0x1800;
+ };
+
+ CaptionStream.prototype.setsTextOrXDSActive = function (packet) {
+ return (packet.ccData & 0x7100) === 0x0100 || (packet.ccData & 0x78fe) === 0x102a || (packet.ccData & 0x78fe) === 0x182a;
+ }; // ----------------------
+ // Session to Application
+ // ----------------------
+ // This hash maps non-ASCII, special, and extended character codes to their
+ // proper Unicode equivalent. The first keys that are only a single byte
+ // are the non-standard ASCII characters, which simply map the CEA608 byte
+ // to the standard ASCII/Unicode. The two-byte keys that follow are the CEA608
+ // character codes, but have their MSB bitmasked with 0x03 so that a lookup
+ // can be performed regardless of the field and data channel on which the
+ // character code was received.
+
+
+ var CHARACTER_TRANSLATION = {
+ 0x2a: 0xe1,
+ // á
+ 0x5c: 0xe9,
+ // é
+ 0x5e: 0xed,
+ // í
+ 0x5f: 0xf3,
+ // ó
+ 0x60: 0xfa,
+ // ú
+ 0x7b: 0xe7,
+ // ç
+ 0x7c: 0xf7,
+ // ÷
+ 0x7d: 0xd1,
+ // Ñ
+ 0x7e: 0xf1,
+ // ñ
+ 0x7f: 0x2588,
+ // █
+ 0x0130: 0xae,
+ // ®
+ 0x0131: 0xb0,
+ // °
+ 0x0132: 0xbd,
+ // ½
+ 0x0133: 0xbf,
+ // ¿
+ 0x0134: 0x2122,
+ // ™
+ 0x0135: 0xa2,
+ // ¢
+ 0x0136: 0xa3,
+ // £
+ 0x0137: 0x266a,
+ // ♪
+ 0x0138: 0xe0,
+ // à
+ 0x0139: 0xa0,
+ //
+ 0x013a: 0xe8,
+ // è
+ 0x013b: 0xe2,
+ // â
+ 0x013c: 0xea,
+ // ê
+ 0x013d: 0xee,
+ // î
+ 0x013e: 0xf4,
+ // ô
+ 0x013f: 0xfb,
+ // û
+ 0x0220: 0xc1,
+ // Á
+ 0x0221: 0xc9,
+ // É
+ 0x0222: 0xd3,
+ // Ó
+ 0x0223: 0xda,
+ // Ú
+ 0x0224: 0xdc,
+ // Ü
+ 0x0225: 0xfc,
+ // ü
+ 0x0226: 0x2018,
+ // ‘
+ 0x0227: 0xa1,
+ // ¡
+ 0x0228: 0x2a,
+ // *
+ 0x0229: 0x27,
+ // '
+ 0x022a: 0x2014,
+ // —
+ 0x022b: 0xa9,
+ // ©
+ 0x022c: 0x2120,
+ // ℠
+ 0x022d: 0x2022,
+ // •
+ 0x022e: 0x201c,
+ // “
+ 0x022f: 0x201d,
+ // ”
+ 0x0230: 0xc0,
+ // À
+ 0x0231: 0xc2,
+ // Â
+ 0x0232: 0xc7,
+ // Ç
+ 0x0233: 0xc8,
+ // È
+ 0x0234: 0xca,
+ // Ê
+ 0x0235: 0xcb,
+ // Ë
+ 0x0236: 0xeb,
+ // ë
+ 0x0237: 0xce,
+ // Î
+ 0x0238: 0xcf,
+ // Ï
+ 0x0239: 0xef,
+ // ï
+ 0x023a: 0xd4,
+ // Ô
+ 0x023b: 0xd9,
+ // Ù
+ 0x023c: 0xf9,
+ // ù
+ 0x023d: 0xdb,
+ // Û
+ 0x023e: 0xab,
+ // «
+ 0x023f: 0xbb,
+ // »
+ 0x0320: 0xc3,
+ // Ã
+ 0x0321: 0xe3,
+ // ã
+ 0x0322: 0xcd,
+ // Í
+ 0x0323: 0xcc,
+ // Ì
+ 0x0324: 0xec,
+ // ì
+ 0x0325: 0xd2,
+ // Ò
+ 0x0326: 0xf2,
+ // ò
+ 0x0327: 0xd5,
+ // Õ
+ 0x0328: 0xf5,
+ // õ
+ 0x0329: 0x7b,
+ // {
+ 0x032a: 0x7d,
+ // }
+ 0x032b: 0x5c,
+ // \
+ 0x032c: 0x5e,
+ // ^
+ 0x032d: 0x5f,
+ // _
+ 0x032e: 0x7c,
+ // |
+ 0x032f: 0x7e,
+ // ~
+ 0x0330: 0xc4,
+ // Ä
+ 0x0331: 0xe4,
+ // ä
+ 0x0332: 0xd6,
+ // Ö
+ 0x0333: 0xf6,
+ // ö
+ 0x0334: 0xdf,
+ // ß
+ 0x0335: 0xa5,
+ // ¥
+ 0x0336: 0xa4,
+ // ¤
+ 0x0337: 0x2502,
+ // │
+ 0x0338: 0xc5,
+ // Å
+ 0x0339: 0xe5,
+ // å
+ 0x033a: 0xd8,
+ // Ø
+ 0x033b: 0xf8,
+ // ø
+ 0x033c: 0x250c,
+ // ┌
+ 0x033d: 0x2510,
+ // ┐
+ 0x033e: 0x2514,
+ // └
+ 0x033f: 0x2518 // ┘
+
+ };
+
+ var getCharFromCode = function getCharFromCode(code) {
+ if (code === null) {
+ return '';
+ }
+
+ code = CHARACTER_TRANSLATION[code] || code;
+ return String.fromCharCode(code);
+ }; // the index of the last row in a CEA-608 display buffer
+
+
+ var BOTTOM_ROW = 14; // This array is used for mapping PACs -> row #, since there's no way of
+ // getting it through bit logic.
+
+ var ROWS = [0x1100, 0x1120, 0x1200, 0x1220, 0x1500, 0x1520, 0x1600, 0x1620, 0x1700, 0x1720, 0x1000, 0x1300, 0x1320, 0x1400, 0x1420]; // CEA-608 captions are rendered onto a 34x15 matrix of character
+ // cells. The "bottom" row is the last element in the outer array.
+
+ var createDisplayBuffer = function createDisplayBuffer() {
+ var result = [],
+ i = BOTTOM_ROW + 1;
+
+ while (i--) {
+ result.push('');
+ }
+
+ return result;
+ };
+
+ var Cea608Stream = function Cea608Stream(field, dataChannel) {
+ Cea608Stream.prototype.init.call(this);
+ this.field_ = field || 0;
+ this.dataChannel_ = dataChannel || 0;
+ this.name_ = 'CC' + ((this.field_ << 1 | this.dataChannel_) + 1);
+ this.setConstants();
+ this.reset();
+
+ this.push = function (packet) {
+ var data, swap, char0, char1, text; // remove the parity bits
+
+ data = packet.ccData & 0x7f7f; // ignore duplicate control codes; the spec demands they're sent twice
+
+ if (data === this.lastControlCode_) {
+ this.lastControlCode_ = null;
+ return;
+ } // Store control codes
+
+
+ if ((data & 0xf000) === 0x1000) {
+ this.lastControlCode_ = data;
+ } else if (data !== this.PADDING_) {
+ this.lastControlCode_ = null;
+ }
+
+ char0 = data >>> 8;
+ char1 = data & 0xff;
+
+ if (data === this.PADDING_) {
+ return;
+ } else if (data === this.RESUME_CAPTION_LOADING_) {
+ this.mode_ = 'popOn';
+ } else if (data === this.END_OF_CAPTION_) {
+ // If an EOC is received while in paint-on mode, the displayed caption
+ // text should be swapped to non-displayed memory as if it was a pop-on
+ // caption. Because of that, we should explicitly switch back to pop-on
+ // mode
+ this.mode_ = 'popOn';
+ this.clearFormatting(packet.pts); // if a caption was being displayed, it's gone now
+
+ this.flushDisplayed(packet.pts); // flip memory
+
+ swap = this.displayed_;
+ this.displayed_ = this.nonDisplayed_;
+ this.nonDisplayed_ = swap; // start measuring the time to display the caption
+
+ this.startPts_ = packet.pts;
+ } else if (data === this.ROLL_UP_2_ROWS_) {
+ this.rollUpRows_ = 2;
+ this.setRollUp(packet.pts);
+ } else if (data === this.ROLL_UP_3_ROWS_) {
+ this.rollUpRows_ = 3;
+ this.setRollUp(packet.pts);
+ } else if (data === this.ROLL_UP_4_ROWS_) {
+ this.rollUpRows_ = 4;
+ this.setRollUp(packet.pts);
+ } else if (data === this.CARRIAGE_RETURN_) {
+ this.clearFormatting(packet.pts);
+ this.flushDisplayed(packet.pts);
+ this.shiftRowsUp_();
+ this.startPts_ = packet.pts;
+ } else if (data === this.BACKSPACE_) {
+ if (this.mode_ === 'popOn') {
+ this.nonDisplayed_[this.row_] = this.nonDisplayed_[this.row_].slice(0, -1);
+ } else {
+ this.displayed_[this.row_] = this.displayed_[this.row_].slice(0, -1);
+ }
+ } else if (data === this.ERASE_DISPLAYED_MEMORY_) {
+ this.flushDisplayed(packet.pts);
+ this.displayed_ = createDisplayBuffer();
+ } else if (data === this.ERASE_NON_DISPLAYED_MEMORY_) {
+ this.nonDisplayed_ = createDisplayBuffer();
+ } else if (data === this.RESUME_DIRECT_CAPTIONING_) {
+ if (this.mode_ !== 'paintOn') {
+ // NOTE: This should be removed when proper caption positioning is
+ // implemented
+ this.flushDisplayed(packet.pts);
+ this.displayed_ = createDisplayBuffer();
+ }
+
+ this.mode_ = 'paintOn';
+ this.startPts_ = packet.pts; // Append special characters to caption text
+ } else if (this.isSpecialCharacter(char0, char1)) {
+ // Bitmask char0 so that we can apply character transformations
+ // regardless of field and data channel.
+ // Then byte-shift to the left and OR with char1 so we can pass the
+ // entire character code to `getCharFromCode`.
+ char0 = (char0 & 0x03) << 8;
+ text = getCharFromCode(char0 | char1);
+ this[this.mode_](packet.pts, text);
+ this.column_++; // Append extended characters to caption text
+ } else if (this.isExtCharacter(char0, char1)) {
+ // Extended characters always follow their "non-extended" equivalents.
+ // IE if a "è" is desired, you'll always receive "eè"; non-compliant
+ // decoders are supposed to drop the "è", while compliant decoders
+ // backspace the "e" and insert "è".
+ // Delete the previous character
+ if (this.mode_ === 'popOn') {
+ this.nonDisplayed_[this.row_] = this.nonDisplayed_[this.row_].slice(0, -1);
+ } else {
+ this.displayed_[this.row_] = this.displayed_[this.row_].slice(0, -1);
+ } // Bitmask char0 so that we can apply character transformations
+ // regardless of field and data channel.
+ // Then byte-shift to the left and OR with char1 so we can pass the
+ // entire character code to `getCharFromCode`.
+
+
+ char0 = (char0 & 0x03) << 8;
+ text = getCharFromCode(char0 | char1);
+ this[this.mode_](packet.pts, text);
+ this.column_++; // Process mid-row codes
+ } else if (this.isMidRowCode(char0, char1)) {
+ // Attributes are not additive, so clear all formatting
+ this.clearFormatting(packet.pts); // According to the standard, mid-row codes
+ // should be replaced with spaces, so add one now
+
+ this[this.mode_](packet.pts, ' ');
+ this.column_++;
+
+ if ((char1 & 0xe) === 0xe) {
+ this.addFormatting(packet.pts, ['i']);
+ }
+
+ if ((char1 & 0x1) === 0x1) {
+ this.addFormatting(packet.pts, ['u']);
+ } // Detect offset control codes and adjust cursor
+
+ } else if (this.isOffsetControlCode(char0, char1)) {
+ // Cursor position is set by indent PAC (see below) in 4-column
+ // increments, with an additional offset code of 1-3 to reach any
+ // of the 32 columns specified by CEA-608. So all we need to do
+ // here is increment the column cursor by the given offset.
+ this.column_ += char1 & 0x03; // Detect PACs (Preamble Address Codes)
+ } else if (this.isPAC(char0, char1)) {
+ // There's no logic for PAC -> row mapping, so we have to just
+ // find the row code in an array and use its index :(
+ var row = ROWS.indexOf(data & 0x1f20); // Configure the caption window if we're in roll-up mode
+
+ if (this.mode_ === 'rollUp') {
+ // This implies that the base row is incorrectly set.
+ // As per the recommendation in CEA-608(Base Row Implementation), defer to the number
+ // of roll-up rows set.
+ if (row - this.rollUpRows_ + 1 < 0) {
+ row = this.rollUpRows_ - 1;
+ }
+
+ this.setRollUp(packet.pts, row);
+ }
+
+ if (row !== this.row_) {
+ // formatting is only persistent for current row
+ this.clearFormatting(packet.pts);
+ this.row_ = row;
+ } // All PACs can apply underline, so detect and apply
+ // (All odd-numbered second bytes set underline)
+
+
+ if (char1 & 0x1 && this.formatting_.indexOf('u') === -1) {
+ this.addFormatting(packet.pts, ['u']);
+ }
+
+ if ((data & 0x10) === 0x10) {
+ // We've got an indent level code. Each successive even number
+ // increments the column cursor by 4, so we can get the desired
+ // column position by bit-shifting to the right (to get n/2)
+ // and multiplying by 4.
+ this.column_ = ((data & 0xe) >> 1) * 4;
+ }
+
+ if (this.isColorPAC(char1)) {
+ // it's a color code, though we only support white, which
+ // can be either normal or italicized. white italics can be
+ // either 0x4e or 0x6e depending on the row, so we just
+ // bitwise-and with 0xe to see if italics should be turned on
+ if ((char1 & 0xe) === 0xe) {
+ this.addFormatting(packet.pts, ['i']);
+ }
+ } // We have a normal character in char0, and possibly one in char1
+
+ } else if (this.isNormalChar(char0)) {
+ if (char1 === 0x00) {
+ char1 = null;
+ }
+
+ text = getCharFromCode(char0);
+ text += getCharFromCode(char1);
+ this[this.mode_](packet.pts, text);
+ this.column_ += text.length;
+ } // finish data processing
+
+ };
+ };
+
+ Cea608Stream.prototype = new stream(); // Trigger a cue point that captures the current state of the
+ // display buffer
+
+ Cea608Stream.prototype.flushDisplayed = function (pts) {
+ var content = this.displayed_ // remove spaces from the start and end of the string
+ .map(function (row) {
+ try {
+ return row.trim();
+ } catch (e) {
+ // Ordinarily, this shouldn't happen. However, caption
+ // parsing errors should not throw exceptions and
+ // break playback.
+ // eslint-disable-next-line no-console
+ console.error('Skipping malformed caption.');
+ return '';
+ }
+ }) // combine all text rows to display in one cue
+ .join('\n') // and remove blank rows from the start and end, but not the middle
+ .replace(/^\n+|\n+$/g, '');
+
+ if (content.length) {
+ this.trigger('data', {
+ startPts: this.startPts_,
+ endPts: pts,
+ text: content,
+ stream: this.name_
+ });
+ }
+ };
+ /**
+ * Zero out the data, used for startup and on seek
+ */
+
+
+ Cea608Stream.prototype.reset = function () {
+ this.mode_ = 'popOn'; // When in roll-up mode, the index of the last row that will
+ // actually display captions. If a caption is shifted to a row
+ // with a lower index than this, it is cleared from the display
+ // buffer
+
+ this.topRow_ = 0;
+ this.startPts_ = 0;
+ this.displayed_ = createDisplayBuffer();
+ this.nonDisplayed_ = createDisplayBuffer();
+ this.lastControlCode_ = null; // Track row and column for proper line-breaking and spacing
+
+ this.column_ = 0;
+ this.row_ = BOTTOM_ROW;
+ this.rollUpRows_ = 2; // This variable holds currently-applied formatting
+
+ this.formatting_ = [];
+ };
+ /**
+ * Sets up control code and related constants for this instance
+ */
+
+
+ Cea608Stream.prototype.setConstants = function () {
+ // The following attributes have these uses:
+ // ext_ : char0 for mid-row codes, and the base for extended
+ // chars (ext_+0, ext_+1, and ext_+2 are char0s for
+ // extended codes)
+ // control_: char0 for control codes, except byte-shifted to the
+ // left so that we can do this.control_ | CONTROL_CODE
+ // offset_: char0 for tab offset codes
+ //
+ // It's also worth noting that control codes, and _only_ control codes,
+ // differ between field 1 and field2. Field 2 control codes are always
+ // their field 1 value plus 1. That's why there's the "| field" on the
+ // control value.
+ if (this.dataChannel_ === 0) {
+ this.BASE_ = 0x10;
+ this.EXT_ = 0x11;
+ this.CONTROL_ = (0x14 | this.field_) << 8;
+ this.OFFSET_ = 0x17;
+ } else if (this.dataChannel_ === 1) {
+ this.BASE_ = 0x18;
+ this.EXT_ = 0x19;
+ this.CONTROL_ = (0x1c | this.field_) << 8;
+ this.OFFSET_ = 0x1f;
+ } // Constants for the LSByte command codes recognized by Cea608Stream. This
+ // list is not exhaustive. For a more comprehensive listing and semantics see
+ // http://www.gpo.gov/fdsys/pkg/CFR-2010-title47-vol1/pdf/CFR-2010-title47-vol1-sec15-119.pdf
+ // Padding
+
+
+ this.PADDING_ = 0x0000; // Pop-on Mode
+
+ this.RESUME_CAPTION_LOADING_ = this.CONTROL_ | 0x20;
+ this.END_OF_CAPTION_ = this.CONTROL_ | 0x2f; // Roll-up Mode
+
+ this.ROLL_UP_2_ROWS_ = this.CONTROL_ | 0x25;
+ this.ROLL_UP_3_ROWS_ = this.CONTROL_ | 0x26;
+ this.ROLL_UP_4_ROWS_ = this.CONTROL_ | 0x27;
+ this.CARRIAGE_RETURN_ = this.CONTROL_ | 0x2d; // paint-on mode
+
+ this.RESUME_DIRECT_CAPTIONING_ = this.CONTROL_ | 0x29; // Erasure
+
+ this.BACKSPACE_ = this.CONTROL_ | 0x21;
+ this.ERASE_DISPLAYED_MEMORY_ = this.CONTROL_ | 0x2c;
+ this.ERASE_NON_DISPLAYED_MEMORY_ = this.CONTROL_ | 0x2e;
+ };
+ /**
+ * Detects if the 2-byte packet data is a special character
+ *
+ * Special characters have a second byte in the range 0x30 to 0x3f,
+ * with the first byte being 0x11 (for data channel 1) or 0x19 (for
+ * data channel 2).
+ *
+ * @param {Integer} char0 The first byte
+ * @param {Integer} char1 The second byte
+ * @return {Boolean} Whether the 2 bytes are an special character
+ */
+
+
+ Cea608Stream.prototype.isSpecialCharacter = function (char0, char1) {
+ return char0 === this.EXT_ && char1 >= 0x30 && char1 <= 0x3f;
+ };
+ /**
+ * Detects if the 2-byte packet data is an extended character
+ *
+ * Extended characters have a second byte in the range 0x20 to 0x3f,
+ * with the first byte being 0x12 or 0x13 (for data channel 1) or
+ * 0x1a or 0x1b (for data channel 2).
+ *
+ * @param {Integer} char0 The first byte
+ * @param {Integer} char1 The second byte
+ * @return {Boolean} Whether the 2 bytes are an extended character
+ */
+
+
+ Cea608Stream.prototype.isExtCharacter = function (char0, char1) {
+ return (char0 === this.EXT_ + 1 || char0 === this.EXT_ + 2) && char1 >= 0x20 && char1 <= 0x3f;
+ };
+ /**
+ * Detects if the 2-byte packet is a mid-row code
+ *
+ * Mid-row codes have a second byte in the range 0x20 to 0x2f, with
+ * the first byte being 0x11 (for data channel 1) or 0x19 (for data
+ * channel 2).
+ *
+ * @param {Integer} char0 The first byte
+ * @param {Integer} char1 The second byte
+ * @return {Boolean} Whether the 2 bytes are a mid-row code
+ */
+
+
+ Cea608Stream.prototype.isMidRowCode = function (char0, char1) {
+ return char0 === this.EXT_ && char1 >= 0x20 && char1 <= 0x2f;
+ };
+ /**
+ * Detects if the 2-byte packet is an offset control code
+ *
+ * Offset control codes have a second byte in the range 0x21 to 0x23,
+ * with the first byte being 0x17 (for data channel 1) or 0x1f (for
+ * data channel 2).
+ *
+ * @param {Integer} char0 The first byte
+ * @param {Integer} char1 The second byte
+ * @return {Boolean} Whether the 2 bytes are an offset control code
+ */
+
+
+ Cea608Stream.prototype.isOffsetControlCode = function (char0, char1) {
+ return char0 === this.OFFSET_ && char1 >= 0x21 && char1 <= 0x23;
+ };
+ /**
+ * Detects if the 2-byte packet is a Preamble Address Code
+ *
+ * PACs have a first byte in the range 0x10 to 0x17 (for data channel 1)
+ * or 0x18 to 0x1f (for data channel 2), with the second byte in the
+ * range 0x40 to 0x7f.
+ *
+ * @param {Integer} char0 The first byte
+ * @param {Integer} char1 The second byte
+ * @return {Boolean} Whether the 2 bytes are a PAC
+ */
+
+
+ Cea608Stream.prototype.isPAC = function (char0, char1) {
+ return char0 >= this.BASE_ && char0 < this.BASE_ + 8 && char1 >= 0x40 && char1 <= 0x7f;
+ };
+ /**
+ * Detects if a packet's second byte is in the range of a PAC color code
+ *
+ * PAC color codes have the second byte be in the range 0x40 to 0x4f, or
+ * 0x60 to 0x6f.
+ *
+ * @param {Integer} char1 The second byte
+ * @return {Boolean} Whether the byte is a color PAC
+ */
+
+
+ Cea608Stream.prototype.isColorPAC = function (char1) {
+ return char1 >= 0x40 && char1 <= 0x4f || char1 >= 0x60 && char1 <= 0x7f;
+ };
+ /**
+ * Detects if a single byte is in the range of a normal character
+ *
+ * Normal text bytes are in the range 0x20 to 0x7f.
+ *
+ * @param {Integer} char The byte
+ * @return {Boolean} Whether the byte is a normal character
+ */
+
+
+ Cea608Stream.prototype.isNormalChar = function (_char) {
+ return _char >= 0x20 && _char <= 0x7f;
+ };
+ /**
+ * Configures roll-up
+ *
+ * @param {Integer} pts Current PTS
+ * @param {Integer} newBaseRow Used by PACs to slide the current window to
+ * a new position
+ */
+
+
+ Cea608Stream.prototype.setRollUp = function (pts, newBaseRow) {
+ // Reset the base row to the bottom row when switching modes
+ if (this.mode_ !== 'rollUp') {
+ this.row_ = BOTTOM_ROW;
+ this.mode_ = 'rollUp'; // Spec says to wipe memories when switching to roll-up
+
+ this.flushDisplayed(pts);
+ this.nonDisplayed_ = createDisplayBuffer();
+ this.displayed_ = createDisplayBuffer();
+ }
+
+ if (newBaseRow !== undefined && newBaseRow !== this.row_) {
+ // move currently displayed captions (up or down) to the new base row
+ for (var i = 0; i < this.rollUpRows_; i++) {
+ this.displayed_[newBaseRow - i] = this.displayed_[this.row_ - i];
+ this.displayed_[this.row_ - i] = '';
+ }
+ }
+
+ if (newBaseRow === undefined) {
+ newBaseRow = this.row_;
+ }
+
+ this.topRow_ = newBaseRow - this.rollUpRows_ + 1;
+ }; // Adds the opening HTML tag for the passed character to the caption text,
+ // and keeps track of it for later closing
+
+
+ Cea608Stream.prototype.addFormatting = function (pts, format) {
+ this.formatting_ = this.formatting_.concat(format);
+ var text = format.reduce(function (text, format) {
+ return text + '<' + format + '>';
+ }, '');
+ this[this.mode_](pts, text);
+ }; // Adds HTML closing tags for current formatting to caption text and
+ // clears remembered formatting
+
+
+ Cea608Stream.prototype.clearFormatting = function (pts) {
+ if (!this.formatting_.length) {
+ return;
+ }
+
+ var text = this.formatting_.reverse().reduce(function (text, format) {
+ return text + '</' + format + '>';
+ }, '');
+ this.formatting_ = [];
+ this[this.mode_](pts, text);
+ }; // Mode Implementations
+
+
+ Cea608Stream.prototype.popOn = function (pts, text) {
+ var baseRow = this.nonDisplayed_[this.row_]; // buffer characters
+
+ baseRow += text;
+ this.nonDisplayed_[this.row_] = baseRow;
+ };
+
+ Cea608Stream.prototype.rollUp = function (pts, text) {
+ var baseRow = this.displayed_[this.row_];
+ baseRow += text;
+ this.displayed_[this.row_] = baseRow;
+ };
+
+ Cea608Stream.prototype.shiftRowsUp_ = function () {
+ var i; // clear out inactive rows
+
+ for (i = 0; i < this.topRow_; i++) {
+ this.displayed_[i] = '';
+ }
+
+ for (i = this.row_ + 1; i < BOTTOM_ROW + 1; i++) {
+ this.displayed_[i] = '';
+ } // shift displayed rows up
+
+
+ for (i = this.topRow_; i < this.row_; i++) {
+ this.displayed_[i] = this.displayed_[i + 1];
+ } // clear out the bottom row
+
+
+ this.displayed_[this.row_] = '';
+ };
+
+ Cea608Stream.prototype.paintOn = function (pts, text) {
+ var baseRow = this.displayed_[this.row_];
+ baseRow += text;
+ this.displayed_[this.row_] = baseRow;
+ }; // exports
+
+
+ var captionStream = {
+ CaptionStream: CaptionStream,
+ Cea608Stream: Cea608Stream
+ };
+
+ var discardEmulationPreventionBytes$1 = captionPacketParser.discardEmulationPreventionBytes;
+ var CaptionStream$1 = captionStream.CaptionStream;
+ /**
+ * Maps an offset in the mdat to a sample based on the the size of the samples.
+ * Assumes that `parseSamples` has been called first.
+ *
+ * @param {Number} offset - The offset into the mdat
+ * @param {Object[]} samples - An array of samples, parsed using `parseSamples`
+ * @return {?Object} The matching sample, or null if no match was found.
+ *
+ * @see ISO-BMFF-12/2015, Section 8.8.8
+ **/
+
+ var mapToSample = function mapToSample(offset, samples) {
+ var approximateOffset = offset;
+
+ for (var i = 0; i < samples.length; i++) {
+ var sample = samples[i];
+
+ if (approximateOffset < sample.size) {
+ return sample;
+ }
+
+ approximateOffset -= sample.size;
+ }
+
+ return null;
+ };
+ /**
+ * Finds SEI nal units contained in a Media Data Box.
+ * Assumes that `parseSamples` has been called first.
+ *
+ * @param {Uint8Array} avcStream - The bytes of the mdat
+ * @param {Object[]} samples - The samples parsed out by `parseSamples`
+ * @param {Number} trackId - The trackId of this video track
+ * @return {Object[]} seiNals - the parsed SEI NALUs found.
+ * The contents of the seiNal should match what is expected by
+ * CaptionStream.push (nalUnitType, size, data, escapedRBSP, pts, dts)
+ *
+ * @see ISO-BMFF-12/2015, Section 8.1.1
+ * @see Rec. ITU-T H.264, 7.3.2.3.1
+ **/
+
+
+ var findSeiNals = function findSeiNals(avcStream, samples, trackId) {
+ var avcView = new DataView(avcStream.buffer, avcStream.byteOffset, avcStream.byteLength),
+ result = [],
+ seiNal,
+ i,
+ length,
+ lastMatchedSample;
+
+ for (i = 0; i + 4 < avcStream.length; i += length) {
+ length = avcView.getUint32(i);
+ i += 4; // Bail if this doesn't appear to be an H264 stream
+
+ if (length <= 0) {
+ continue;
+ }
+
+ switch (avcStream[i] & 0x1F) {
+ case 0x06:
+ var data = avcStream.subarray(i + 1, i + 1 + length);
+ var matchingSample = mapToSample(i, samples);
+ seiNal = {
+ nalUnitType: 'sei_rbsp',
+ size: length,
+ data: data,
+ escapedRBSP: discardEmulationPreventionBytes$1(data),
+ trackId: trackId
+ };
+
+ if (matchingSample) {
+ seiNal.pts = matchingSample.pts;
+ seiNal.dts = matchingSample.dts;
+ lastMatchedSample = matchingSample;
+ } else {
+ // If a matching sample cannot be found, use the last
+ // sample's values as they should be as close as possible
+ seiNal.pts = lastMatchedSample.pts;
+ seiNal.dts = lastMatchedSample.dts;
+ }
+
+ result.push(seiNal);
+ break;
+ }
+ }
+
+ return result;
+ };
+ /**
+ * Parses sample information out of Track Run Boxes and calculates
+ * the absolute presentation and decode timestamps of each sample.
+ *
+ * @param {Array<Uint8Array>} truns - The Trun Run boxes to be parsed
+ * @param {Number} baseMediaDecodeTime - base media decode time from tfdt
+ @see ISO-BMFF-12/2015, Section 8.8.12
+ * @param {Object} tfhd - The parsed Track Fragment Header
+ * @see inspect.parseTfhd
+ * @return {Object[]} the parsed samples
+ *
+ * @see ISO-BMFF-12/2015, Section 8.8.8
+ **/
+
+
+ var parseSamples = function parseSamples(truns, baseMediaDecodeTime, tfhd) {
+ var currentDts = baseMediaDecodeTime;
+ var defaultSampleDuration = tfhd.defaultSampleDuration || 0;
+ var defaultSampleSize = tfhd.defaultSampleSize || 0;
+ var trackId = tfhd.trackId;
+ var allSamples = [];
+ truns.forEach(function (trun) {
+ // Note: We currently do not parse the sample table as well
+ // as the trun. It's possible some sources will require this.
+ // moov > trak > mdia > minf > stbl
+ var trackRun = mp4Inspector.parseTrun(trun);
+ var samples = trackRun.samples;
+ samples.forEach(function (sample) {
+ if (sample.duration === undefined) {
+ sample.duration = defaultSampleDuration;
+ }
+
+ if (sample.size === undefined) {
+ sample.size = defaultSampleSize;
+ }
+
+ sample.trackId = trackId;
+ sample.dts = currentDts;
+
+ if (sample.compositionTimeOffset === undefined) {
+ sample.compositionTimeOffset = 0;
+ }
+
+ sample.pts = currentDts + sample.compositionTimeOffset;
+ currentDts += sample.duration;
+ });
+ allSamples = allSamples.concat(samples);
+ });
+ return allSamples;
+ };
+ /**
+ * Parses out caption nals from an FMP4 segment's video tracks.
+ *
+ * @param {Uint8Array} segment - The bytes of a single segment
+ * @param {Number} videoTrackId - The trackId of a video track in the segment
+ * @return {Object.<Number, Object[]>} A mapping of video trackId to
+ * a list of seiNals found in that track
+ **/
+
+
+ var parseCaptionNals = function parseCaptionNals(segment, videoTrackId) {
+ // To get the samples
+ var trafs = probe.findBox(segment, ['moof', 'traf']); // To get SEI NAL units
+
+ var mdats = probe.findBox(segment, ['mdat']);
+ var captionNals = {};
+ var mdatTrafPairs = []; // Pair up each traf with a mdat as moofs and mdats are in pairs
+
+ mdats.forEach(function (mdat, index) {
+ var matchingTraf = trafs[index];
+ mdatTrafPairs.push({
+ mdat: mdat,
+ traf: matchingTraf
+ });
+ });
+ mdatTrafPairs.forEach(function (pair) {
+ var mdat = pair.mdat;
+ var traf = pair.traf;
+ var tfhd = probe.findBox(traf, ['tfhd']); // Exactly 1 tfhd per traf
+
+ var headerInfo = mp4Inspector.parseTfhd(tfhd[0]);
+ var trackId = headerInfo.trackId;
+ var tfdt = probe.findBox(traf, ['tfdt']); // Either 0 or 1 tfdt per traf
+
+ var baseMediaDecodeTime = tfdt.length > 0 ? mp4Inspector.parseTfdt(tfdt[0]).baseMediaDecodeTime : 0;
+ var truns = probe.findBox(traf, ['trun']);
+ var samples;
+ var seiNals; // Only parse video data for the chosen video track
+
+ if (videoTrackId === trackId && truns.length > 0) {
+ samples = parseSamples(truns, baseMediaDecodeTime, headerInfo);
+ seiNals = findSeiNals(mdat, samples, trackId);
+
+ if (!captionNals[trackId]) {
+ captionNals[trackId] = [];
+ }
+
+ captionNals[trackId] = captionNals[trackId].concat(seiNals);
+ }
+ });
+ return captionNals;
+ };
+ /**
+ * Parses out inband captions from an MP4 container and returns
+ * caption objects that can be used by WebVTT and the TextTrack API.
+ * @see https://developer.mozilla.org/en-US/docs/Web/API/VTTCue
+ * @see https://developer.mozilla.org/en-US/docs/Web/API/TextTrack
+ * Assumes that `probe.getVideoTrackIds` and `probe.timescale` have been called first
+ *
+ * @param {Uint8Array} segment - The fmp4 segment containing embedded captions
+ * @param {Number} trackId - The id of the video track to parse
+ * @param {Number} timescale - The timescale for the video track from the init segment
+ *
+ * @return {?Object[]} parsedCaptions - A list of captions or null if no video tracks
+ * @return {Number} parsedCaptions[].startTime - The time to show the caption in seconds
+ * @return {Number} parsedCaptions[].endTime - The time to stop showing the caption in seconds
+ * @return {String} parsedCaptions[].text - The visible content of the caption
+ **/
+
+
+ var parseEmbeddedCaptions = function parseEmbeddedCaptions(segment, trackId, timescale) {
+ var seiNals; // the ISO-BMFF spec says that trackId can't be zero, but there's some broken content out there
+
+ if (trackId === null) {
+ return null;
+ }
+
+ seiNals = parseCaptionNals(segment, trackId);
+ return {
+ seiNals: seiNals[trackId],
+ timescale: timescale
+ };
+ };
+ /**
+ * Converts SEI NALUs into captions that can be used by video.js
+ **/
+
+
+ var CaptionParser = function CaptionParser() {
+ var isInitialized = false;
+ var captionStream; // Stores segments seen before trackId and timescale are set
+
+ var segmentCache; // Stores video track ID of the track being parsed
+
+ var trackId; // Stores the timescale of the track being parsed
+
+ var timescale; // Stores captions parsed so far
+
+ var parsedCaptions; // Stores whether we are receiving partial data or not
+
+ var parsingPartial;
+ /**
+ * A method to indicate whether a CaptionParser has been initalized
+ * @returns {Boolean}
+ **/
+
+ this.isInitialized = function () {
+ return isInitialized;
+ };
+ /**
+ * Initializes the underlying CaptionStream, SEI NAL parsing
+ * and management, and caption collection
+ **/
+
+
+ this.init = function (options) {
+ captionStream = new CaptionStream$1();
+ isInitialized = true;
+ parsingPartial = options ? options.isPartial : false; // Collect dispatched captions
+
+ captionStream.on('data', function (event) {
+ // Convert to seconds in the source's timescale
+ event.startTime = event.startPts / timescale;
+ event.endTime = event.endPts / timescale;
+ parsedCaptions.captions.push(event);
+ parsedCaptions.captionStreams[event.stream] = true;
+ });
+ };
+ /**
+ * Determines if a new video track will be selected
+ * or if the timescale changed
+ * @return {Boolean}
+ **/
+
+
+ this.isNewInit = function (videoTrackIds, timescales) {
+ if (videoTrackIds && videoTrackIds.length === 0 || timescales && typeof timescales === 'object' && Object.keys(timescales).length === 0) {
+ return false;
+ }
+
+ return trackId !== videoTrackIds[0] || timescale !== timescales[trackId];
+ };
+ /**
+ * Parses out SEI captions and interacts with underlying
+ * CaptionStream to return dispatched captions
+ *
+ * @param {Uint8Array} segment - The fmp4 segment containing embedded captions
+ * @param {Number[]} videoTrackIds - A list of video tracks found in the init segment
+ * @param {Object.<Number, Number>} timescales - The timescales found in the init segment
+ * @see parseEmbeddedCaptions
+ * @see m2ts/caption-stream.js
+ **/
+
+
+ this.parse = function (segment, videoTrackIds, timescales) {
+ var parsedData;
+
+ if (!this.isInitialized()) {
+ return null; // This is not likely to be a video segment
+ } else if (!videoTrackIds || !timescales) {
+ return null;
+ } else if (this.isNewInit(videoTrackIds, timescales)) {
+ // Use the first video track only as there is no
+ // mechanism to switch to other video tracks
+ trackId = videoTrackIds[0];
+ timescale = timescales[trackId]; // If an init segment has not been seen yet, hold onto segment
+ // data until we have one.
+ // the ISO-BMFF spec says that trackId can't be zero, but there's some broken content out there
+ } else if (trackId === null || !timescale) {
+ segmentCache.push(segment);
+ return null;
+ } // Now that a timescale and trackId is set, parse cached segments
+
+
+ while (segmentCache.length > 0) {
+ var cachedSegment = segmentCache.shift();
+ this.parse(cachedSegment, videoTrackIds, timescales);
+ }
+
+ parsedData = parseEmbeddedCaptions(segment, trackId, timescale);
+
+ if (parsedData === null || !parsedData.seiNals) {
+ return null;
+ }
+
+ this.pushNals(parsedData.seiNals); // Force the parsed captions to be dispatched
+
+ this.flushStream();
+ return parsedCaptions;
+ };
+ /**
+ * Pushes SEI NALUs onto CaptionStream
+ * @param {Object[]} nals - A list of SEI nals parsed using `parseCaptionNals`
+ * Assumes that `parseCaptionNals` has been called first
+ * @see m2ts/caption-stream.js
+ **/
+
+
+ this.pushNals = function (nals) {
+ if (!this.isInitialized() || !nals || nals.length === 0) {
+ return null;
+ }
+
+ nals.forEach(function (nal) {
+ captionStream.push(nal);
+ });
+ };
+ /**
+ * Flushes underlying CaptionStream to dispatch processed, displayable captions
+ * @see m2ts/caption-stream.js
+ **/
+
+
+ this.flushStream = function () {
+ if (!this.isInitialized()) {
+ return null;
+ }
+
+ if (!parsingPartial) {
+ captionStream.flush();
+ } else {
+ captionStream.partialFlush();
+ }
+ };
+ /**
+ * Reset caption buckets for new data
+ **/
+
+
+ this.clearParsedCaptions = function () {
+ parsedCaptions.captions = [];
+ parsedCaptions.captionStreams = {};
+ };
+ /**
+ * Resets underlying CaptionStream
+ * @see m2ts/caption-stream.js
+ **/
+
+
+ this.resetCaptionStream = function () {
+ if (!this.isInitialized()) {
+ return null;
+ }
+
+ captionStream.reset();
+ };
+ /**
+ * Convenience method to clear all captions flushed from the
+ * CaptionStream and still being parsed
+ * @see m2ts/caption-stream.js
+ **/
+
+
+ this.clearAllCaptions = function () {
+ this.clearParsedCaptions();
+ this.resetCaptionStream();
+ };
+ /**
+ * Reset caption parser
+ **/
+
+
+ this.reset = function () {
+ segmentCache = [];
+ trackId = null;
+ timescale = null;
+
+ if (!parsedCaptions) {
+ parsedCaptions = {
+ captions: [],
+ // CC1, CC2, CC3, CC4
+ captionStreams: {}
+ };
+ } else {
+ this.clearParsedCaptions();
+ }
+
+ this.resetCaptionStream();
+ };
+
+ this.reset();
+ };
+
+ var captionParser = CaptionParser;
+
+ /**
+ * mux.js
+ *
+ * Copyright (c) Brightcove
+ * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE
+ */
+
+ var streamTypes = {
+ H264_STREAM_TYPE: 0x1B,
+ ADTS_STREAM_TYPE: 0x0F,
+ METADATA_STREAM_TYPE: 0x15
+ };
+
+ var MAX_TS = 8589934592;
+ var RO_THRESH = 4294967296;
+ var TYPE_SHARED = 'shared';
+
+ var handleRollover = function handleRollover(value, reference) {
+ var direction = 1;
+
+ if (value > reference) {
+ // If the current timestamp value is greater than our reference timestamp and we detect a
+ // timestamp rollover, this means the roll over is happening in the opposite direction.
+ // Example scenario: Enter a long stream/video just after a rollover occurred. The reference
+ // point will be set to a small number, e.g. 1. The user then seeks backwards over the
+ // rollover point. In loading this segment, the timestamp values will be very large,
+ // e.g. 2^33 - 1. Since this comes before the data we loaded previously, we want to adjust
+ // the time stamp to be `value - 2^33`.
+ direction = -1;
+ } // Note: A seek forwards or back that is greater than the RO_THRESH (2^32, ~13 hours) will
+ // cause an incorrect adjustment.
+
+
+ while (Math.abs(reference - value) > RO_THRESH) {
+ value += direction * MAX_TS;
+ }
+
+ return value;
+ };
+
+ var TimestampRolloverStream = function TimestampRolloverStream(type) {
+ var lastDTS, referenceDTS;
+ TimestampRolloverStream.prototype.init.call(this); // The "shared" type is used in cases where a stream will contain muxed
+ // video and audio. We could use `undefined` here, but having a string
+ // makes debugging a little clearer.
+
+ this.type_ = type || TYPE_SHARED;
+
+ this.push = function (data) {
+ // Any "shared" rollover streams will accept _all_ data. Otherwise,
+ // streams will only accept data that matches their type.
+ if (this.type_ !== TYPE_SHARED && data.type !== this.type_) {
+ return;
+ }
+
+ if (referenceDTS === undefined) {
+ referenceDTS = data.dts;
+ }
+
+ data.dts = handleRollover(data.dts, referenceDTS);
+ data.pts = handleRollover(data.pts, referenceDTS);
+ lastDTS = data.dts;
+ this.trigger('data', data);
+ };
+
+ this.flush = function () {
+ referenceDTS = lastDTS;
+ this.trigger('done');
+ };
+
+ this.endTimeline = function () {
+ this.flush();
+ this.trigger('endedtimeline');
+ };
+
+ this.discontinuity = function () {
+ referenceDTS = void 0;
+ lastDTS = void 0;
+ };
+
+ this.reset = function () {
+ this.discontinuity();
+ this.trigger('reset');
+ };
+ };
+
+ TimestampRolloverStream.prototype = new stream();
+ var timestampRolloverStream = {
+ TimestampRolloverStream: TimestampRolloverStream,
+ handleRollover: handleRollover
+ };
+
+ var parsePid = function parsePid(packet) {
+ var pid = packet[1] & 0x1f;
+ pid <<= 8;
+ pid |= packet[2];
+ return pid;
+ };
+
+ var parsePayloadUnitStartIndicator = function parsePayloadUnitStartIndicator(packet) {
+ return !!(packet[1] & 0x40);
+ };
+
+ var parseAdaptionField = function parseAdaptionField(packet) {
+ var offset = 0; // if an adaption field is present, its length is specified by the
+ // fifth byte of the TS packet header. The adaptation field is
+ // used to add stuffing to PES packets that don't fill a complete
+ // TS packet, and to specify some forms of timing and control data
+ // that we do not currently use.
+
+ if ((packet[3] & 0x30) >>> 4 > 0x01) {
+ offset += packet[4] + 1;
+ }
+
+ return offset;
+ };
+
+ var parseType$1 = function parseType(packet, pmtPid) {
+ var pid = parsePid(packet);
+
+ if (pid === 0) {
+ return 'pat';
+ } else if (pid === pmtPid) {
+ return 'pmt';
+ } else if (pmtPid) {
+ return 'pes';
+ }
+
+ return null;
+ };
+
+ var parsePat = function parsePat(packet) {
+ var pusi = parsePayloadUnitStartIndicator(packet);
+ var offset = 4 + parseAdaptionField(packet);
+
+ if (pusi) {
+ offset += packet[offset] + 1;
+ }
+
+ return (packet[offset + 10] & 0x1f) << 8 | packet[offset + 11];
+ };
+
+ var parsePmt = function parsePmt(packet) {
+ var programMapTable = {};
+ var pusi = parsePayloadUnitStartIndicator(packet);
+ var payloadOffset = 4 + parseAdaptionField(packet);
+
+ if (pusi) {
+ payloadOffset += packet[payloadOffset] + 1;
+ } // PMTs can be sent ahead of the time when they should actually
+ // take effect. We don't believe this should ever be the case
+ // for HLS but we'll ignore "forward" PMT declarations if we see
+ // them. Future PMT declarations have the current_next_indicator
+ // set to zero.
+
+
+ if (!(packet[payloadOffset + 5] & 0x01)) {
+ return;
+ }
+
+ var sectionLength, tableEnd, programInfoLength; // the mapping table ends at the end of the current section
+
+ sectionLength = (packet[payloadOffset + 1] & 0x0f) << 8 | packet[payloadOffset + 2];
+ tableEnd = 3 + sectionLength - 4; // to determine where the table is, we have to figure out how
+ // long the program info descriptors are
+
+ programInfoLength = (packet[payloadOffset + 10] & 0x0f) << 8 | packet[payloadOffset + 11]; // advance the offset to the first entry in the mapping table
+
+ var offset = 12 + programInfoLength;
+
+ while (offset < tableEnd) {
+ var i = payloadOffset + offset; // add an entry that maps the elementary_pid to the stream_type
+
+ programMapTable[(packet[i + 1] & 0x1F) << 8 | packet[i + 2]] = packet[i]; // move to the next table entry
+ // skip past the elementary stream descriptors, if present
+
+ offset += ((packet[i + 3] & 0x0F) << 8 | packet[i + 4]) + 5;
+ }
+
+ return programMapTable;
+ };
+
+ var parsePesType = function parsePesType(packet, programMapTable) {
+ var pid = parsePid(packet);
+ var type = programMapTable[pid];
+
+ switch (type) {
+ case streamTypes.H264_STREAM_TYPE:
+ return 'video';
+
+ case streamTypes.ADTS_STREAM_TYPE:
+ return 'audio';
+
+ case streamTypes.METADATA_STREAM_TYPE:
+ return 'timed-metadata';
+
+ default:
+ return null;
+ }
+ };
+
+ var parsePesTime = function parsePesTime(packet) {
+ var pusi = parsePayloadUnitStartIndicator(packet);
+
+ if (!pusi) {
+ return null;
+ }
+
+ var offset = 4 + parseAdaptionField(packet);
+
+ if (offset >= packet.byteLength) {
+ // From the H 222.0 MPEG-TS spec
+ // "For transport stream packets carrying PES packets, stuffing is needed when there
+ // is insufficient PES packet data to completely fill the transport stream packet
+ // payload bytes. Stuffing is accomplished by defining an adaptation field longer than
+ // the sum of the lengths of the data elements in it, so that the payload bytes
+ // remaining after the adaptation field exactly accommodates the available PES packet
+ // data."
+ //
+ // If the offset is >= the length of the packet, then the packet contains no data
+ // and instead is just adaption field stuffing bytes
+ return null;
+ }
+
+ var pes = null;
+ var ptsDtsFlags; // PES packets may be annotated with a PTS value, or a PTS value
+ // and a DTS value. Determine what combination of values is
+ // available to work with.
+
+ ptsDtsFlags = packet[offset + 7]; // PTS and DTS are normally stored as a 33-bit number. Javascript
+ // performs all bitwise operations on 32-bit integers but javascript
+ // supports a much greater range (52-bits) of integer using standard
+ // mathematical operations.
+ // We construct a 31-bit value using bitwise operators over the 31
+ // most significant bits and then multiply by 4 (equal to a left-shift
+ // of 2) before we add the final 2 least significant bits of the
+ // timestamp (equal to an OR.)
+
+ if (ptsDtsFlags & 0xC0) {
+ pes = {}; // the PTS and DTS are not written out directly. For information
+ // on how they are encoded, see
+ // http://dvd.sourceforge.net/dvdinfo/pes-hdr.html
+
+ pes.pts = (packet[offset + 9] & 0x0E) << 27 | (packet[offset + 10] & 0xFF) << 20 | (packet[offset + 11] & 0xFE) << 12 | (packet[offset + 12] & 0xFF) << 5 | (packet[offset + 13] & 0xFE) >>> 3;
+ pes.pts *= 4; // Left shift by 2
+
+ pes.pts += (packet[offset + 13] & 0x06) >>> 1; // OR by the two LSBs
+
+ pes.dts = pes.pts;
+
+ if (ptsDtsFlags & 0x40) {
+ pes.dts = (packet[offset + 14] & 0x0E) << 27 | (packet[offset + 15] & 0xFF) << 20 | (packet[offset + 16] & 0xFE) << 12 | (packet[offset + 17] & 0xFF) << 5 | (packet[offset + 18] & 0xFE) >>> 3;
+ pes.dts *= 4; // Left shift by 2
+
+ pes.dts += (packet[offset + 18] & 0x06) >>> 1; // OR by the two LSBs
+ }
+ }
+
+ return pes;
+ };
+
+ var parseNalUnitType = function parseNalUnitType(type) {
+ switch (type) {
+ case 0x05:
+ return 'slice_layer_without_partitioning_rbsp_idr';
+
+ case 0x06:
+ return 'sei_rbsp';
+
+ case 0x07:
+ return 'seq_parameter_set_rbsp';
+
+ case 0x08:
+ return 'pic_parameter_set_rbsp';
+
+ case 0x09:
+ return 'access_unit_delimiter_rbsp';
+
+ default:
+ return null;
+ }
+ };
+
+ var videoPacketContainsKeyFrame = function videoPacketContainsKeyFrame(packet) {
+ var offset = 4 + parseAdaptionField(packet);
+ var frameBuffer = packet.subarray(offset);
+ var frameI = 0;
+ var frameSyncPoint = 0;
+ var foundKeyFrame = false;
+ var nalType; // advance the sync point to a NAL start, if necessary
+
+ for (; frameSyncPoint < frameBuffer.byteLength - 3; frameSyncPoint++) {
+ if (frameBuffer[frameSyncPoint + 2] === 1) {
+ // the sync point is properly aligned
+ frameI = frameSyncPoint + 5;
+ break;
+ }
+ }
+
+ while (frameI < frameBuffer.byteLength) {
+ // look at the current byte to determine if we've hit the end of
+ // a NAL unit boundary
+ switch (frameBuffer[frameI]) {
+ case 0:
+ // skip past non-sync sequences
+ if (frameBuffer[frameI - 1] !== 0) {
+ frameI += 2;
+ break;
+ } else if (frameBuffer[frameI - 2] !== 0) {
+ frameI++;
+ break;
+ }
+
+ if (frameSyncPoint + 3 !== frameI - 2) {
+ nalType = parseNalUnitType(frameBuffer[frameSyncPoint + 3] & 0x1f);
+
+ if (nalType === 'slice_layer_without_partitioning_rbsp_idr') {
+ foundKeyFrame = true;
+ }
+ } // drop trailing zeroes
+
+
+ do {
+ frameI++;
+ } while (frameBuffer[frameI] !== 1 && frameI < frameBuffer.length);
+
+ frameSyncPoint = frameI - 2;
+ frameI += 3;
+ break;
+
+ case 1:
+ // skip past non-sync sequences
+ if (frameBuffer[frameI - 1] !== 0 || frameBuffer[frameI - 2] !== 0) {
+ frameI += 3;
+ break;
+ }
+
+ nalType = parseNalUnitType(frameBuffer[frameSyncPoint + 3] & 0x1f);
+
+ if (nalType === 'slice_layer_without_partitioning_rbsp_idr') {
+ foundKeyFrame = true;
+ }
+
+ frameSyncPoint = frameI - 2;
+ frameI += 3;
+ break;
+
+ default:
+ // the current byte isn't a one or zero, so it cannot be part
+ // of a sync sequence
+ frameI += 3;
+ break;
+ }
+ }
+
+ frameBuffer = frameBuffer.subarray(frameSyncPoint);
+ frameI -= frameSyncPoint;
+ frameSyncPoint = 0; // parse the final nal
+
+ if (frameBuffer && frameBuffer.byteLength > 3) {
+ nalType = parseNalUnitType(frameBuffer[frameSyncPoint + 3] & 0x1f);
+
+ if (nalType === 'slice_layer_without_partitioning_rbsp_idr') {
+ foundKeyFrame = true;
+ }
+ }
+
+ return foundKeyFrame;
+ };
+
+ var probe$1 = {
+ parseType: parseType$1,
+ parsePat: parsePat,
+ parsePmt: parsePmt,
+ parsePayloadUnitStartIndicator: parsePayloadUnitStartIndicator,
+ parsePesType: parsePesType,
+ parsePesTime: parsePesTime,
+ videoPacketContainsKeyFrame: videoPacketContainsKeyFrame
+ };
+
+ /**
+ * mux.js
+ *
+ * Copyright (c) Brightcove
+ * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE
+ *
+ * Utilities to detect basic properties and metadata about Aac data.
+ */
+
+ var ADTS_SAMPLING_FREQUENCIES = [96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 7350];
+
+ var isLikelyAacData = function isLikelyAacData(data) {
+ if (data[0] === 'I'.charCodeAt(0) && data[1] === 'D'.charCodeAt(0) && data[2] === '3'.charCodeAt(0)) {
+ return true;
+ }
+
+ return false;
+ };
+
+ var parseSyncSafeInteger = function parseSyncSafeInteger(data) {
+ return data[0] << 21 | data[1] << 14 | data[2] << 7 | data[3];
+ }; // return a percent-encoded representation of the specified byte range
+ // @see http://en.wikipedia.org/wiki/Percent-encoding
+
+
+ var percentEncode = function percentEncode(bytes, start, end) {
+ var i,
+ result = '';
+
+ for (i = start; i < end; i++) {
+ result += '%' + ('00' + bytes[i].toString(16)).slice(-2);
+ }
+
+ return result;
+ }; // return the string representation of the specified byte range,
+ // interpreted as ISO-8859-1.
+
+
+ var parseIso88591 = function parseIso88591(bytes, start, end) {
+ return unescape(percentEncode(bytes, start, end)); // jshint ignore:line
+ };
+
+ var parseId3TagSize = function parseId3TagSize(header, byteIndex) {
+ var returnSize = header[byteIndex + 6] << 21 | header[byteIndex + 7] << 14 | header[byteIndex + 8] << 7 | header[byteIndex + 9],
+ flags = header[byteIndex + 5],
+ footerPresent = (flags & 16) >> 4;
+
+ if (footerPresent) {
+ return returnSize + 20;
+ }
+
+ return returnSize + 10;
+ };
+
+ var parseAdtsSize = function parseAdtsSize(header, byteIndex) {
+ var lowThree = (header[byteIndex + 5] & 0xE0) >> 5,
+ middle = header[byteIndex + 4] << 3,
+ highTwo = header[byteIndex + 3] & 0x3 << 11;
+ return highTwo | middle | lowThree;
+ };
+
+ var parseType$2 = function parseType(header, byteIndex) {
+ if (header[byteIndex] === 'I'.charCodeAt(0) && header[byteIndex + 1] === 'D'.charCodeAt(0) && header[byteIndex + 2] === '3'.charCodeAt(0)) {
+ return 'timed-metadata';
+ } else if (header[byteIndex] & 0xff === 0xff && (header[byteIndex + 1] & 0xf0) === 0xf0) {
+ return 'audio';
+ }
+
+ return null;
+ };
+
+ var parseSampleRate = function parseSampleRate(packet) {
+ var i = 0;
+
+ while (i + 5 < packet.length) {
+ if (packet[i] !== 0xFF || (packet[i + 1] & 0xF6) !== 0xF0) {
+ // If a valid header was not found, jump one forward and attempt to
+ // find a valid ADTS header starting at the next byte
+ i++;
+ continue;
+ }
+
+ return ADTS_SAMPLING_FREQUENCIES[(packet[i + 2] & 0x3c) >>> 2];
+ }
+
+ return null;
+ };
+
+ var parseAacTimestamp = function parseAacTimestamp(packet) {
+ var frameStart, frameSize, frame, frameHeader; // find the start of the first frame and the end of the tag
+
+ frameStart = 10;
+
+ if (packet[5] & 0x40) {
+ // advance the frame start past the extended header
+ frameStart += 4; // header size field
+
+ frameStart += parseSyncSafeInteger(packet.subarray(10, 14));
+ } // parse one or more ID3 frames
+ // http://id3.org/id3v2.3.0#ID3v2_frame_overview
+
+
+ do {
+ // determine the number of bytes in this frame
+ frameSize = parseSyncSafeInteger(packet.subarray(frameStart + 4, frameStart + 8));
+
+ if (frameSize < 1) {
+ return null;
+ }
+
+ frameHeader = String.fromCharCode(packet[frameStart], packet[frameStart + 1], packet[frameStart + 2], packet[frameStart + 3]);
+
+ if (frameHeader === 'PRIV') {
+ frame = packet.subarray(frameStart + 10, frameStart + frameSize + 10);
+
+ for (var i = 0; i < frame.byteLength; i++) {
+ if (frame[i] === 0) {
+ var owner = parseIso88591(frame, 0, i);
+
+ if (owner === 'com.apple.streaming.transportStreamTimestamp') {
+ var d = frame.subarray(i + 1);
+ var size = (d[3] & 0x01) << 30 | d[4] << 22 | d[5] << 14 | d[6] << 6 | d[7] >>> 2;
+ size *= 4;
+ size += d[7] & 0x03;
+ return size;
+ }
+
+ break;
+ }
+ }
+ }
+
+ frameStart += 10; // advance past the frame header
+
+ frameStart += frameSize; // advance past the frame body
+ } while (frameStart < packet.byteLength);
+
+ return null;
+ };
+
+ var utils = {
+ isLikelyAacData: isLikelyAacData,
+ parseId3TagSize: parseId3TagSize,
+ parseAdtsSize: parseAdtsSize,
+ parseType: parseType$2,
+ parseSampleRate: parseSampleRate,
+ parseAacTimestamp: parseAacTimestamp
+ };
+
+ /**
+ * mux.js
+ *
+ * Copyright (c) Brightcove
+ * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE
+ */
+ var ONE_SECOND_IN_TS = 90000,
+ // 90kHz clock
+ secondsToVideoTs,
+ secondsToAudioTs,
+ videoTsToSeconds,
+ audioTsToSeconds,
+ audioTsToVideoTs,
+ videoTsToAudioTs,
+ metadataTsToSeconds;
+
+ secondsToVideoTs = function secondsToVideoTs(seconds) {
+ return seconds * ONE_SECOND_IN_TS;
+ };
+
+ secondsToAudioTs = function secondsToAudioTs(seconds, sampleRate) {
+ return seconds * sampleRate;
+ };
+
+ videoTsToSeconds = function videoTsToSeconds(timestamp) {
+ return timestamp / ONE_SECOND_IN_TS;
+ };
+
+ audioTsToSeconds = function audioTsToSeconds(timestamp, sampleRate) {
+ return timestamp / sampleRate;
+ };
+
+ audioTsToVideoTs = function audioTsToVideoTs(timestamp, sampleRate) {
+ return secondsToVideoTs(audioTsToSeconds(timestamp, sampleRate));
+ };
+
+ videoTsToAudioTs = function videoTsToAudioTs(timestamp, sampleRate) {
+ return secondsToAudioTs(videoTsToSeconds(timestamp), sampleRate);
+ };
+ /**
+ * Adjust ID3 tag or caption timing information by the timeline pts values
+ * (if keepOriginalTimestamps is false) and convert to seconds
+ */
+
+
+ metadataTsToSeconds = function metadataTsToSeconds(timestamp, timelineStartPts, keepOriginalTimestamps) {
+ return videoTsToSeconds(keepOriginalTimestamps ? timestamp : timestamp - timelineStartPts);
+ };
+
+ var clock = {
+ ONE_SECOND_IN_TS: ONE_SECOND_IN_TS,
+ secondsToVideoTs: secondsToVideoTs,
+ secondsToAudioTs: secondsToAudioTs,
+ videoTsToSeconds: videoTsToSeconds,
+ audioTsToSeconds: audioTsToSeconds,
+ audioTsToVideoTs: audioTsToVideoTs,
+ videoTsToAudioTs: videoTsToAudioTs,
+ metadataTsToSeconds: metadataTsToSeconds
+ };
+
+ var handleRollover$1 = timestampRolloverStream.handleRollover;
+ var probe$2 = {};
+ probe$2.ts = probe$1;
+ probe$2.aac = utils;
+ var ONE_SECOND_IN_TS$1 = clock.ONE_SECOND_IN_TS;
+ var MP2T_PACKET_LENGTH = 188,
+ // bytes
+ SYNC_BYTE = 0x47;
+ /**
+ * walks through segment data looking for pat and pmt packets to parse out
+ * program map table information
+ */
+
+ var parsePsi_ = function parsePsi_(bytes, pmt) {
+ var startIndex = 0,
+ endIndex = MP2T_PACKET_LENGTH,
+ packet,
+ type;
+
+ while (endIndex < bytes.byteLength) {
+ // Look for a pair of start and end sync bytes in the data..
+ if (bytes[startIndex] === SYNC_BYTE && bytes[endIndex] === SYNC_BYTE) {
+ // We found a packet
+ packet = bytes.subarray(startIndex, endIndex);
+ type = probe$2.ts.parseType(packet, pmt.pid);
+
+ switch (type) {
+ case 'pat':
+ if (!pmt.pid) {
+ pmt.pid = probe$2.ts.parsePat(packet);
+ }
+
+ break;
+
+ case 'pmt':
+ if (!pmt.table) {
+ pmt.table = probe$2.ts.parsePmt(packet);
+ }
+
+ break;
+ } // Found the pat and pmt, we can stop walking the segment
+
+
+ if (pmt.pid && pmt.table) {
+ return;
+ }
+
+ startIndex += MP2T_PACKET_LENGTH;
+ endIndex += MP2T_PACKET_LENGTH;
+ continue;
+ } // If we get here, we have somehow become de-synchronized and we need to step
+ // forward one byte at a time until we find a pair of sync bytes that denote
+ // a packet
+
+
+ startIndex++;
+ endIndex++;
+ }
+ };
+ /**
+ * walks through the segment data from the start and end to get timing information
+ * for the first and last audio pes packets
+ */
+
+
+ var parseAudioPes_ = function parseAudioPes_(bytes, pmt, result) {
+ var startIndex = 0,
+ endIndex = MP2T_PACKET_LENGTH,
+ packet,
+ type,
+ pesType,
+ pusi,
+ parsed;
+ var endLoop = false; // Start walking from start of segment to get first audio packet
+
+ while (endIndex <= bytes.byteLength) {
+ // Look for a pair of start and end sync bytes in the data..
+ if (bytes[startIndex] === SYNC_BYTE && (bytes[endIndex] === SYNC_BYTE || endIndex === bytes.byteLength)) {
+ // We found a packet
+ packet = bytes.subarray(startIndex, endIndex);
+ type = probe$2.ts.parseType(packet, pmt.pid);
+
+ switch (type) {
+ case 'pes':
+ pesType = probe$2.ts.parsePesType(packet, pmt.table);
+ pusi = probe$2.ts.parsePayloadUnitStartIndicator(packet);
+
+ if (pesType === 'audio' && pusi) {
+ parsed = probe$2.ts.parsePesTime(packet);
+
+ if (parsed) {
+ parsed.type = 'audio';
+ result.audio.push(parsed);
+ endLoop = true;
+ }
+ }
+
+ break;
+ }
+
+ if (endLoop) {
+ break;
+ }
+
+ startIndex += MP2T_PACKET_LENGTH;
+ endIndex += MP2T_PACKET_LENGTH;
+ continue;
+ } // If we get here, we have somehow become de-synchronized and we need to step
+ // forward one byte at a time until we find a pair of sync bytes that denote
+ // a packet
+
+
+ startIndex++;
+ endIndex++;
+ } // Start walking from end of segment to get last audio packet
+
+
+ endIndex = bytes.byteLength;
+ startIndex = endIndex - MP2T_PACKET_LENGTH;
+ endLoop = false;
+
+ while (startIndex >= 0) {
+ // Look for a pair of start and end sync bytes in the data..
+ if (bytes[startIndex] === SYNC_BYTE && (bytes[endIndex] === SYNC_BYTE || endIndex === bytes.byteLength)) {
+ // We found a packet
+ packet = bytes.subarray(startIndex, endIndex);
+ type = probe$2.ts.parseType(packet, pmt.pid);
+
+ switch (type) {
+ case 'pes':
+ pesType = probe$2.ts.parsePesType(packet, pmt.table);
+ pusi = probe$2.ts.parsePayloadUnitStartIndicator(packet);
+
+ if (pesType === 'audio' && pusi) {
+ parsed = probe$2.ts.parsePesTime(packet);
+
+ if (parsed) {
+ parsed.type = 'audio';
+ result.audio.push(parsed);
+ endLoop = true;
+ }
+ }
+
+ break;
+ }
+
+ if (endLoop) {
+ break;
+ }
+
+ startIndex -= MP2T_PACKET_LENGTH;
+ endIndex -= MP2T_PACKET_LENGTH;
+ continue;
+ } // If we get here, we have somehow become de-synchronized and we need to step
+ // forward one byte at a time until we find a pair of sync bytes that denote
+ // a packet
+
+
+ startIndex--;
+ endIndex--;
+ }
+ };
+ /**
+ * walks through the segment data from the start and end to get timing information
+ * for the first and last video pes packets as well as timing information for the first
+ * key frame.
+ */
+
+
+ var parseVideoPes_ = function parseVideoPes_(bytes, pmt, result) {
+ var startIndex = 0,
+ endIndex = MP2T_PACKET_LENGTH,
+ packet,
+ type,
+ pesType,
+ pusi,
+ parsed,
+ frame,
+ i,
+ pes;
+ var endLoop = false;
+ var currentFrame = {
+ data: [],
+ size: 0
+ }; // Start walking from start of segment to get first video packet
+
+ while (endIndex < bytes.byteLength) {
+ // Look for a pair of start and end sync bytes in the data..
+ if (bytes[startIndex] === SYNC_BYTE && bytes[endIndex] === SYNC_BYTE) {
+ // We found a packet
+ packet = bytes.subarray(startIndex, endIndex);
+ type = probe$2.ts.parseType(packet, pmt.pid);
+
+ switch (type) {
+ case 'pes':
+ pesType = probe$2.ts.parsePesType(packet, pmt.table);
+ pusi = probe$2.ts.parsePayloadUnitStartIndicator(packet);
+
+ if (pesType === 'video') {
+ if (pusi && !endLoop) {
+ parsed = probe$2.ts.parsePesTime(packet);
+
+ if (parsed) {
+ parsed.type = 'video';
+ result.video.push(parsed);
+ endLoop = true;
+ }
+ }
+
+ if (!result.firstKeyFrame) {
+ if (pusi) {
+ if (currentFrame.size !== 0) {
+ frame = new Uint8Array(currentFrame.size);
+ i = 0;
+
+ while (currentFrame.data.length) {
+ pes = currentFrame.data.shift();
+ frame.set(pes, i);
+ i += pes.byteLength;
+ }
+
+ if (probe$2.ts.videoPacketContainsKeyFrame(frame)) {
+ var firstKeyFrame = probe$2.ts.parsePesTime(frame); // PTS/DTS may not be available. Simply *not* setting
+ // the keyframe seems to work fine with HLS playback
+ // and definitely preferable to a crash with TypeError...
+
+ if (firstKeyFrame) {
+ result.firstKeyFrame = firstKeyFrame;
+ result.firstKeyFrame.type = 'video';
+ } else {
+ // eslint-disable-next-line
+ console.warn('Failed to extract PTS/DTS from PES at first keyframe. ' + 'This could be an unusual TS segment, or else mux.js did not ' + 'parse your TS segment correctly. If you know your TS ' + 'segments do contain PTS/DTS on keyframes please file a bug ' + 'report! You can try ffprobe to double check for yourself.');
+ }
+ }
+
+ currentFrame.size = 0;
+ }
+ }
+
+ currentFrame.data.push(packet);
+ currentFrame.size += packet.byteLength;
+ }
+ }
+
+ break;
+ }
+
+ if (endLoop && result.firstKeyFrame) {
+ break;
+ }
+
+ startIndex += MP2T_PACKET_LENGTH;
+ endIndex += MP2T_PACKET_LENGTH;
+ continue;
+ } // If we get here, we have somehow become de-synchronized and we need to step
+ // forward one byte at a time until we find a pair of sync bytes that denote
+ // a packet
+
+
+ startIndex++;
+ endIndex++;
+ } // Start walking from end of segment to get last video packet
+
+
+ endIndex = bytes.byteLength;
+ startIndex = endIndex - MP2T_PACKET_LENGTH;
+ endLoop = false;
+
+ while (startIndex >= 0) {
+ // Look for a pair of start and end sync bytes in the data..
+ if (bytes[startIndex] === SYNC_BYTE && bytes[endIndex] === SYNC_BYTE) {
+ // We found a packet
+ packet = bytes.subarray(startIndex, endIndex);
+ type = probe$2.ts.parseType(packet, pmt.pid);
+
+ switch (type) {
+ case 'pes':
+ pesType = probe$2.ts.parsePesType(packet, pmt.table);
+ pusi = probe$2.ts.parsePayloadUnitStartIndicator(packet);
+
+ if (pesType === 'video' && pusi) {
+ parsed = probe$2.ts.parsePesTime(packet);
+
+ if (parsed) {
+ parsed.type = 'video';
+ result.video.push(parsed);
+ endLoop = true;
+ }
+ }
+
+ break;
+ }
+
+ if (endLoop) {
+ break;
+ }
+
+ startIndex -= MP2T_PACKET_LENGTH;
+ endIndex -= MP2T_PACKET_LENGTH;
+ continue;
+ } // If we get here, we have somehow become de-synchronized and we need to step
+ // forward one byte at a time until we find a pair of sync bytes that denote
+ // a packet
+
+
+ startIndex--;
+ endIndex--;
+ }
+ };
+ /**
+ * Adjusts the timestamp information for the segment to account for
+ * rollover and convert to seconds based on pes packet timescale (90khz clock)
+ */
+
+
+ var adjustTimestamp_ = function adjustTimestamp_(segmentInfo, baseTimestamp) {
+ if (segmentInfo.audio && segmentInfo.audio.length) {
+ var audioBaseTimestamp = baseTimestamp;
+
+ if (typeof audioBaseTimestamp === 'undefined') {
+ audioBaseTimestamp = segmentInfo.audio[0].dts;
+ }
+
+ segmentInfo.audio.forEach(function (info) {
+ info.dts = handleRollover$1(info.dts, audioBaseTimestamp);
+ info.pts = handleRollover$1(info.pts, audioBaseTimestamp); // time in seconds
+
+ info.dtsTime = info.dts / ONE_SECOND_IN_TS$1;
+ info.ptsTime = info.pts / ONE_SECOND_IN_TS$1;
+ });
+ }
+
+ if (segmentInfo.video && segmentInfo.video.length) {
+ var videoBaseTimestamp = baseTimestamp;
+
+ if (typeof videoBaseTimestamp === 'undefined') {
+ videoBaseTimestamp = segmentInfo.video[0].dts;
+ }
+
+ segmentInfo.video.forEach(function (info) {
+ info.dts = handleRollover$1(info.dts, videoBaseTimestamp);
+ info.pts = handleRollover$1(info.pts, videoBaseTimestamp); // time in seconds
+
+ info.dtsTime = info.dts / ONE_SECOND_IN_TS$1;
+ info.ptsTime = info.pts / ONE_SECOND_IN_TS$1;
+ });
+
+ if (segmentInfo.firstKeyFrame) {
+ var frame = segmentInfo.firstKeyFrame;
+ frame.dts = handleRollover$1(frame.dts, videoBaseTimestamp);
+ frame.pts = handleRollover$1(frame.pts, videoBaseTimestamp); // time in seconds
+
+ frame.dtsTime = frame.dts / ONE_SECOND_IN_TS$1;
+ frame.ptsTime = frame.dts / ONE_SECOND_IN_TS$1;
+ }
+ }
+ };
+ /**
+ * inspects the aac data stream for start and end time information
+ */
+
+
+ var inspectAac_ = function inspectAac_(bytes) {
+ var endLoop = false,
+ audioCount = 0,
+ sampleRate = null,
+ timestamp = null,
+ frameSize = 0,
+ byteIndex = 0,
+ packet;
+
+ while (bytes.length - byteIndex >= 3) {
+ var type = probe$2.aac.parseType(bytes, byteIndex);
+
+ switch (type) {
+ case 'timed-metadata':
+ // Exit early because we don't have enough to parse
+ // the ID3 tag header
+ if (bytes.length - byteIndex < 10) {
+ endLoop = true;
+ break;
+ }
+
+ frameSize = probe$2.aac.parseId3TagSize(bytes, byteIndex); // Exit early if we don't have enough in the buffer
+ // to emit a full packet
+
+ if (frameSize > bytes.length) {
+ endLoop = true;
+ break;
+ }
+
+ if (timestamp === null) {
+ packet = bytes.subarray(byteIndex, byteIndex + frameSize);
+ timestamp = probe$2.aac.parseAacTimestamp(packet);
+ }
+
+ byteIndex += frameSize;
+ break;
+
+ case 'audio':
+ // Exit early because we don't have enough to parse
+ // the ADTS frame header
+ if (bytes.length - byteIndex < 7) {
+ endLoop = true;
+ break;
+ }
+
+ frameSize = probe$2.aac.parseAdtsSize(bytes, byteIndex); // Exit early if we don't have enough in the buffer
+ // to emit a full packet
+
+ if (frameSize > bytes.length) {
+ endLoop = true;
+ break;
+ }
+
+ if (sampleRate === null) {
+ packet = bytes.subarray(byteIndex, byteIndex + frameSize);
+ sampleRate = probe$2.aac.parseSampleRate(packet);
+ }
+
+ audioCount++;
+ byteIndex += frameSize;
+ break;
+
+ default:
+ byteIndex++;
+ break;
+ }
+
+ if (endLoop) {
+ return null;
+ }
+ }
+
+ if (sampleRate === null || timestamp === null) {
+ return null;
+ }
+
+ var audioTimescale = ONE_SECOND_IN_TS$1 / sampleRate;
+ var result = {
+ audio: [{
+ type: 'audio',
+ dts: timestamp,
+ pts: timestamp
+ }, {
+ type: 'audio',
+ dts: timestamp + audioCount * 1024 * audioTimescale,
+ pts: timestamp + audioCount * 1024 * audioTimescale
+ }]
+ };
+ return result;
+ };
+ /**
+ * inspects the transport stream segment data for start and end time information
+ * of the audio and video tracks (when present) as well as the first key frame's
+ * start time.
+ */
+
+
+ var inspectTs_ = function inspectTs_(bytes) {
+ var pmt = {
+ pid: null,
+ table: null
+ };
+ var result = {};
+ parsePsi_(bytes, pmt);
+
+ for (var pid in pmt.table) {
+ if (pmt.table.hasOwnProperty(pid)) {
+ var type = pmt.table[pid];
+
+ switch (type) {
+ case streamTypes.H264_STREAM_TYPE:
+ result.video = [];
+ parseVideoPes_(bytes, pmt, result);
+
+ if (result.video.length === 0) {
+ delete result.video;
+ }
+
+ break;
+
+ case streamTypes.ADTS_STREAM_TYPE:
+ result.audio = [];
+ parseAudioPes_(bytes, pmt, result);
+
+ if (result.audio.length === 0) {
+ delete result.audio;
+ }
+
+ break;
+ }
+ }
+ }
+
+ return result;
+ };
+ /**
+ * Inspects segment byte data and returns an object with start and end timing information
+ *
+ * @param {Uint8Array} bytes The segment byte data
+ * @param {Number} baseTimestamp Relative reference timestamp used when adjusting frame
+ * timestamps for rollover. This value must be in 90khz clock.
+ * @return {Object} Object containing start and end frame timing info of segment.
+ */
+
+
+ var inspect = function inspect(bytes, baseTimestamp) {
+ var isAacData = probe$2.aac.isLikelyAacData(bytes);
+ var result;
+
+ if (isAacData) {
+ result = inspectAac_(bytes);
+ } else {
+ result = inspectTs_(bytes);
+ }
+
+ if (!result || !result.audio && !result.video) {
+ return null;
+ }
+
+ adjustTimestamp_(result, baseTimestamp);
+ return result;
+ };
+
+ var tsInspector = {
+ inspect: inspect,
+ parseAudioPes_: parseAudioPes_
+ };
+
+ /*
+ * pkcs7.pad
+ * https://github.com/brightcove/pkcs7
+ *
+ * Copyright (c) 2014 Brightcove
+ * Licensed under the apache2 license.
+ */
+ /**
+ * Returns the subarray of a Uint8Array without PKCS#7 padding.
+ * @param padded {Uint8Array} unencrypted bytes that have been padded
+ * @return {Uint8Array} the unpadded bytes
+ * @see http://tools.ietf.org/html/rfc5652
+ */
+
+ function unpad(padded) {
+ return padded.subarray(0, padded.byteLength - padded[padded.byteLength - 1]);
+ }
+
+ var classCallCheck = function classCallCheck(instance, Constructor) {
+ if (!(instance instanceof Constructor)) {
+ throw new TypeError("Cannot call a class as a function");
+ }
+ };
+
+ var createClass = function () {
+ function defineProperties(target, props) {
+ for (var i = 0; i < props.length; i++) {
+ var descriptor = props[i];
+ descriptor.enumerable = descriptor.enumerable || false;
+ descriptor.configurable = true;
+ if ("value" in descriptor) descriptor.writable = true;
+ Object.defineProperty(target, descriptor.key, descriptor);
+ }
+ }
+
+ return function (Constructor, protoProps, staticProps) {
+ if (protoProps) defineProperties(Constructor.prototype, protoProps);
+ if (staticProps) defineProperties(Constructor, staticProps);
+ return Constructor;
+ };
+ }();
+
+ var inherits$1 = function inherits(subClass, superClass) {
+ if (typeof superClass !== "function" && superClass !== null) {
+ throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
+ }
+
+ subClass.prototype = Object.create(superClass && superClass.prototype, {
+ constructor: {
+ value: subClass,
+ enumerable: false,
+ writable: true,
+ configurable: true
+ }
+ });
+ if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
+ };
+
+ var possibleConstructorReturn = function possibleConstructorReturn(self, call) {
+ if (!self) {
+ throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
+ }
+
+ return call && (typeof call === "object" || typeof call === "function") ? call : self;
+ };
+ /**
+ * @file aes.js
+ *
+ * This file contains an adaptation of the AES decryption algorithm
+ * from the Standford Javascript Cryptography Library. That work is
+ * covered by the following copyright and permissions notice:
+ *
+ * Copyright 2009-2010 Emily Stark, Mike Hamburg, Dan Boneh.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation
+ * are those of the authors and should not be interpreted as representing
+ * official policies, either expressed or implied, of the authors.
+ */
+
+ /**
+ * Expand the S-box tables.
+ *
+ * @private
+ */
+
+
+ var precompute = function precompute() {
+ var tables = [[[], [], [], [], []], [[], [], [], [], []]];
+ var encTable = tables[0];
+ var decTable = tables[1];
+ var sbox = encTable[4];
+ var sboxInv = decTable[4];
+ var i = void 0;
+ var x = void 0;
+ var xInv = void 0;
+ var d = [];
+ var th = [];
+ var x2 = void 0;
+ var x4 = void 0;
+ var x8 = void 0;
+ var s = void 0;
+ var tEnc = void 0;
+ var tDec = void 0; // Compute double and third tables
+
+ for (i = 0; i < 256; i++) {
+ th[(d[i] = i << 1 ^ (i >> 7) * 283) ^ i] = i;
+ }
+
+ for (x = xInv = 0; !sbox[x]; x ^= x2 || 1, xInv = th[xInv] || 1) {
+ // Compute sbox
+ s = xInv ^ xInv << 1 ^ xInv << 2 ^ xInv << 3 ^ xInv << 4;
+ s = s >> 8 ^ s & 255 ^ 99;
+ sbox[x] = s;
+ sboxInv[s] = x; // Compute MixColumns
+
+ x8 = d[x4 = d[x2 = d[x]]];
+ tDec = x8 * 0x1010101 ^ x4 * 0x10001 ^ x2 * 0x101 ^ x * 0x1010100;
+ tEnc = d[s] * 0x101 ^ s * 0x1010100;
+
+ for (i = 0; i < 4; i++) {
+ encTable[i][x] = tEnc = tEnc << 24 ^ tEnc >>> 8;
+ decTable[i][s] = tDec = tDec << 24 ^ tDec >>> 8;
+ }
+ } // Compactify. Considerable speedup on Firefox.
+
+
+ for (i = 0; i < 5; i++) {
+ encTable[i] = encTable[i].slice(0);
+ decTable[i] = decTable[i].slice(0);
+ }
+
+ return tables;
+ };
+
+ var aesTables = null;
+ /**
+ * Schedule out an AES key for both encryption and decryption. This
+ * is a low-level class. Use a cipher mode to do bulk encryption.
+ *
+ * @class AES
+ * @param key {Array} The key as an array of 4, 6 or 8 words.
+ */
+
+ var AES = function () {
+ function AES(key) {
+ classCallCheck(this, AES);
+ /**
+ * The expanded S-box and inverse S-box tables. These will be computed
+ * on the client so that we don't have to send them down the wire.
+ *
+ * There are two tables, _tables[0] is for encryption and
+ * _tables[1] is for decryption.
+ *
+ * The first 4 sub-tables are the expanded S-box with MixColumns. The
+ * last (_tables[01][4]) is the S-box itself.
+ *
+ * @private
+ */
+ // if we have yet to precompute the S-box tables
+ // do so now
+
+ if (!aesTables) {
+ aesTables = precompute();
+ } // then make a copy of that object for use
+
+
+ this._tables = [[aesTables[0][0].slice(), aesTables[0][1].slice(), aesTables[0][2].slice(), aesTables[0][3].slice(), aesTables[0][4].slice()], [aesTables[1][0].slice(), aesTables[1][1].slice(), aesTables[1][2].slice(), aesTables[1][3].slice(), aesTables[1][4].slice()]];
+ var i = void 0;
+ var j = void 0;
+ var tmp = void 0;
+ var encKey = void 0;
+ var decKey = void 0;
+ var sbox = this._tables[0][4];
+ var decTable = this._tables[1];
+ var keyLen = key.length;
+ var rcon = 1;
+
+ if (keyLen !== 4 && keyLen !== 6 && keyLen !== 8) {
+ throw new Error('Invalid aes key size');
+ }
+
+ encKey = key.slice(0);
+ decKey = [];
+ this._key = [encKey, decKey]; // schedule encryption keys
+
+ for (i = keyLen; i < 4 * keyLen + 28; i++) {
+ tmp = encKey[i - 1]; // apply sbox
+
+ if (i % keyLen === 0 || keyLen === 8 && i % keyLen === 4) {
+ tmp = sbox[tmp >>> 24] << 24 ^ sbox[tmp >> 16 & 255] << 16 ^ sbox[tmp >> 8 & 255] << 8 ^ sbox[tmp & 255]; // shift rows and add rcon
+
+ if (i % keyLen === 0) {
+ tmp = tmp << 8 ^ tmp >>> 24 ^ rcon << 24;
+ rcon = rcon << 1 ^ (rcon >> 7) * 283;
+ }
+ }
+
+ encKey[i] = encKey[i - keyLen] ^ tmp;
+ } // schedule decryption keys
+
+
+ for (j = 0; i; j++, i--) {
+ tmp = encKey[j & 3 ? i : i - 4];
+
+ if (i <= 4 || j < 4) {
+ decKey[j] = tmp;
+ } else {
+ decKey[j] = decTable[0][sbox[tmp >>> 24]] ^ decTable[1][sbox[tmp >> 16 & 255]] ^ decTable[2][sbox[tmp >> 8 & 255]] ^ decTable[3][sbox[tmp & 255]];
+ }
+ }
+ }
+ /**
+ * Decrypt 16 bytes, specified as four 32-bit words.
+ *
+ * @param {Number} encrypted0 the first word to decrypt
+ * @param {Number} encrypted1 the second word to decrypt
+ * @param {Number} encrypted2 the third word to decrypt
+ * @param {Number} encrypted3 the fourth word to decrypt
+ * @param {Int32Array} out the array to write the decrypted words
+ * into
+ * @param {Number} offset the offset into the output array to start
+ * writing results
+ * @return {Array} The plaintext.
+ */
+
+
+ AES.prototype.decrypt = function decrypt(encrypted0, encrypted1, encrypted2, encrypted3, out, offset) {
+ var key = this._key[1]; // state variables a,b,c,d are loaded with pre-whitened data
+
+ var a = encrypted0 ^ key[0];
+ var b = encrypted3 ^ key[1];
+ var c = encrypted2 ^ key[2];
+ var d = encrypted1 ^ key[3];
+ var a2 = void 0;
+ var b2 = void 0;
+ var c2 = void 0; // key.length === 2 ?
+
+ var nInnerRounds = key.length / 4 - 2;
+ var i = void 0;
+ var kIndex = 4;
+ var table = this._tables[1]; // load up the tables
+
+ var table0 = table[0];
+ var table1 = table[1];
+ var table2 = table[2];
+ var table3 = table[3];
+ var sbox = table[4]; // Inner rounds. Cribbed from OpenSSL.
+
+ for (i = 0; i < nInnerRounds; i++) {
+ a2 = table0[a >>> 24] ^ table1[b >> 16 & 255] ^ table2[c >> 8 & 255] ^ table3[d & 255] ^ key[kIndex];
+ b2 = table0[b >>> 24] ^ table1[c >> 16 & 255] ^ table2[d >> 8 & 255] ^ table3[a & 255] ^ key[kIndex + 1];
+ c2 = table0[c >>> 24] ^ table1[d >> 16 & 255] ^ table2[a >> 8 & 255] ^ table3[b & 255] ^ key[kIndex + 2];
+ d = table0[d >>> 24] ^ table1[a >> 16 & 255] ^ table2[b >> 8 & 255] ^ table3[c & 255] ^ key[kIndex + 3];
+ kIndex += 4;
+ a = a2;
+ b = b2;
+ c = c2;
+ } // Last round.
+
+
+ for (i = 0; i < 4; i++) {
+ out[(3 & -i) + offset] = sbox[a >>> 24] << 24 ^ sbox[b >> 16 & 255] << 16 ^ sbox[c >> 8 & 255] << 8 ^ sbox[d & 255] ^ key[kIndex++];
+ a2 = a;
+ a = b;
+ b = c;
+ c = d;
+ d = a2;
+ }
+ };
+
+ return AES;
+ }();
+ /**
+ * @file stream.js
+ */
+
+ /**
+ * A lightweight readable stream implemention that handles event dispatching.
+ *
+ * @class Stream
+ */
+
+
+ var Stream$2 = function () {
+ function Stream() {
+ classCallCheck(this, Stream);
+ this.listeners = {};
+ }
+ /**
+ * Add a listener for a specified event type.
+ *
+ * @param {String} type the event name
+ * @param {Function} listener the callback to be invoked when an event of
+ * the specified type occurs
+ */
+
+
+ Stream.prototype.on = function on(type, listener) {
+ if (!this.listeners[type]) {
+ this.listeners[type] = [];
+ }
+
+ this.listeners[type].push(listener);
+ };
+ /**
+ * Remove a listener for a specified event type.
+ *
+ * @param {String} type the event name
+ * @param {Function} listener a function previously registered for this
+ * type of event through `on`
+ * @return {Boolean} if we could turn it off or not
+ */
+
+
+ Stream.prototype.off = function off(type, listener) {
+ if (!this.listeners[type]) {
+ return false;
+ }
+
+ var index = this.listeners[type].indexOf(listener);
+ this.listeners[type].splice(index, 1);
+ return index > -1;
+ };
+ /**
+ * Trigger an event of the specified type on this stream. Any additional
+ * arguments to this function are passed as parameters to event listeners.
+ *
+ * @param {String} type the event name
+ */
+
+
+ Stream.prototype.trigger = function trigger(type) {
+ var callbacks = this.listeners[type];
+
+ if (!callbacks) {
+ return;
+ } // Slicing the arguments on every invocation of this method
+ // can add a significant amount of overhead. Avoid the
+ // intermediate object creation for the common case of a
+ // single callback argument
+
+
+ if (arguments.length === 2) {
+ var length = callbacks.length;
+
+ for (var i = 0; i < length; ++i) {
+ callbacks[i].call(this, arguments[1]);
+ }
+ } else {
+ var args = Array.prototype.slice.call(arguments, 1);
+ var _length = callbacks.length;
+
+ for (var _i = 0; _i < _length; ++_i) {
+ callbacks[_i].apply(this, args);
+ }
+ }
+ };
+ /**
+ * Destroys the stream and cleans up.
+ */
+
+
+ Stream.prototype.dispose = function dispose() {
+ this.listeners = {};
+ };
+ /**
+ * Forwards all `data` events on this stream to the destination stream. The
+ * destination stream should provide a method `push` to receive the data
+ * events as they arrive.
+ *
+ * @param {Stream} destination the stream that will receive all `data` events
+ * @see http://nodejs.org/api/stream.html#stream_readable_pipe_destination_options
+ */
+
+
+ Stream.prototype.pipe = function pipe(destination) {
+ this.on('data', function (data) {
+ destination.push(data);
+ });
+ };
+
+ return Stream;
+ }();
+ /**
+ * @file async-stream.js
+ */
+
+ /**
+ * A wrapper around the Stream class to use setTiemout
+ * and run stream "jobs" Asynchronously
+ *
+ * @class AsyncStream
+ * @extends Stream
+ */
+
+
+ var AsyncStream = function (_Stream) {
+ inherits$1(AsyncStream, _Stream);
+
+ function AsyncStream() {
+ classCallCheck(this, AsyncStream);
+
+ var _this = possibleConstructorReturn(this, _Stream.call(this, Stream$2));
+
+ _this.jobs = [];
+ _this.delay = 1;
+ _this.timeout_ = null;
+ return _this;
+ }
+ /**
+ * process an async job
+ *
+ * @private
+ */
+
+
+ AsyncStream.prototype.processJob_ = function processJob_() {
+ this.jobs.shift()();
+
+ if (this.jobs.length) {
+ this.timeout_ = setTimeout(this.processJob_.bind(this), this.delay);
+ } else {
+ this.timeout_ = null;
+ }
+ };
+ /**
+ * push a job into the stream
+ *
+ * @param {Function} job the job to push into the stream
+ */
+
+
+ AsyncStream.prototype.push = function push(job) {
+ this.jobs.push(job);
+
+ if (!this.timeout_) {
+ this.timeout_ = setTimeout(this.processJob_.bind(this), this.delay);
+ }
+ };
+
+ return AsyncStream;
+ }(Stream$2);
+ /**
+ * @file decrypter.js
+ *
+ * An asynchronous implementation of AES-128 CBC decryption with
+ * PKCS#7 padding.
+ */
+
+ /**
+ * Convert network-order (big-endian) bytes into their little-endian
+ * representation.
+ */
+
+
+ var ntoh = function ntoh(word) {
+ return word << 24 | (word & 0xff00) << 8 | (word & 0xff0000) >> 8 | word >>> 24;
+ };
+ /**
+ * Decrypt bytes using AES-128 with CBC and PKCS#7 padding.
+ *
+ * @param {Uint8Array} encrypted the encrypted bytes
+ * @param {Uint32Array} key the bytes of the decryption key
+ * @param {Uint32Array} initVector the initialization vector (IV) to
+ * use for the first round of CBC.
+ * @return {Uint8Array} the decrypted bytes
+ *
+ * @see http://en.wikipedia.org/wiki/Advanced_Encryption_Standard
+ * @see http://en.wikipedia.org/wiki/Block_cipher_mode_of_operation#Cipher_Block_Chaining_.28CBC.29
+ * @see https://tools.ietf.org/html/rfc2315
+ */
+
+
+ var decrypt = function decrypt(encrypted, key, initVector) {
+ // word-level access to the encrypted bytes
+ var encrypted32 = new Int32Array(encrypted.buffer, encrypted.byteOffset, encrypted.byteLength >> 2);
+ var decipher = new AES(Array.prototype.slice.call(key)); // byte and word-level access for the decrypted output
+
+ var decrypted = new Uint8Array(encrypted.byteLength);
+ var decrypted32 = new Int32Array(decrypted.buffer); // temporary variables for working with the IV, encrypted, and
+ // decrypted data
+
+ var init0 = void 0;
+ var init1 = void 0;
+ var init2 = void 0;
+ var init3 = void 0;
+ var encrypted0 = void 0;
+ var encrypted1 = void 0;
+ var encrypted2 = void 0;
+ var encrypted3 = void 0; // iteration variable
+
+ var wordIx = void 0; // pull out the words of the IV to ensure we don't modify the
+ // passed-in reference and easier access
+
+ init0 = initVector[0];
+ init1 = initVector[1];
+ init2 = initVector[2];
+ init3 = initVector[3]; // decrypt four word sequences, applying cipher-block chaining (CBC)
+ // to each decrypted block
+
+ for (wordIx = 0; wordIx < encrypted32.length; wordIx += 4) {
+ // convert big-endian (network order) words into little-endian
+ // (javascript order)
+ encrypted0 = ntoh(encrypted32[wordIx]);
+ encrypted1 = ntoh(encrypted32[wordIx + 1]);
+ encrypted2 = ntoh(encrypted32[wordIx + 2]);
+ encrypted3 = ntoh(encrypted32[wordIx + 3]); // decrypt the block
+
+ decipher.decrypt(encrypted0, encrypted1, encrypted2, encrypted3, decrypted32, wordIx); // XOR with the IV, and restore network byte-order to obtain the
+ // plaintext
+
+ decrypted32[wordIx] = ntoh(decrypted32[wordIx] ^ init0);
+ decrypted32[wordIx + 1] = ntoh(decrypted32[wordIx + 1] ^ init1);
+ decrypted32[wordIx + 2] = ntoh(decrypted32[wordIx + 2] ^ init2);
+ decrypted32[wordIx + 3] = ntoh(decrypted32[wordIx + 3] ^ init3); // setup the IV for the next round
+
+ init0 = encrypted0;
+ init1 = encrypted1;
+ init2 = encrypted2;
+ init3 = encrypted3;
+ }
+
+ return decrypted;
+ };
+ /**
+ * The `Decrypter` class that manages decryption of AES
+ * data through `AsyncStream` objects and the `decrypt`
+ * function
+ *
+ * @param {Uint8Array} encrypted the encrypted bytes
+ * @param {Uint32Array} key the bytes of the decryption key
+ * @param {Uint32Array} initVector the initialization vector (IV) to
+ * @param {Function} done the function to run when done
+ * @class Decrypter
+ */
+
+
+ var Decrypter = function () {
+ function Decrypter(encrypted, key, initVector, done) {
+ classCallCheck(this, Decrypter);
+ var step = Decrypter.STEP;
+ var encrypted32 = new Int32Array(encrypted.buffer);
+ var decrypted = new Uint8Array(encrypted.byteLength);
+ var i = 0;
+ this.asyncStream_ = new AsyncStream(); // split up the encryption job and do the individual chunks asynchronously
+
+ this.asyncStream_.push(this.decryptChunk_(encrypted32.subarray(i, i + step), key, initVector, decrypted));
+
+ for (i = step; i < encrypted32.length; i += step) {
+ initVector = new Uint32Array([ntoh(encrypted32[i - 4]), ntoh(encrypted32[i - 3]), ntoh(encrypted32[i - 2]), ntoh(encrypted32[i - 1])]);
+ this.asyncStream_.push(this.decryptChunk_(encrypted32.subarray(i, i + step), key, initVector, decrypted));
+ } // invoke the done() callback when everything is finished
+
+
+ this.asyncStream_.push(function () {
+ // remove pkcs#7 padding from the decrypted bytes
+ done(null, unpad(decrypted));
+ });
+ }
+ /**
+ * a getter for step the maximum number of bytes to process at one time
+ *
+ * @return {Number} the value of step 32000
+ */
+
+ /**
+ * @private
+ */
+
+
+ Decrypter.prototype.decryptChunk_ = function decryptChunk_(encrypted, key, initVector, decrypted) {
+ return function () {
+ var bytes = decrypt(encrypted, key, initVector);
+ decrypted.set(bytes, encrypted.byteOffset);
+ };
+ };
+
+ createClass(Decrypter, null, [{
+ key: 'STEP',
+ get: function get$$1() {
+ // 4 * 8000;
+ return 32000;
+ }
+ }]);
+ return Decrypter;
+ }();
+
+ /**
+ * @videojs/http-streaming
+ * @version 1.13.2
+ * @copyright 2020 Brightcove, Inc
+ * @license Apache-2.0
+ */
+ /**
+ * @file resolve-url.js - Handling how URLs are resolved and manipulated
+ */
+
+ var resolveUrl$1 = function resolveUrl(baseURL, relativeURL) {
+ // return early if we don't need to resolve
+ if (/^[a-z]+:/i.test(relativeURL)) {
+ return relativeURL;
+ } // if the base URL is relative then combine with the current location
+
+
+ if (!/\/\//i.test(baseURL)) {
+ baseURL = urlToolkit.buildAbsoluteURL(window$3.location.href, baseURL);
+ }
+
+ return urlToolkit.buildAbsoluteURL(baseURL, relativeURL);
+ };
+ /**
+ * Checks whether xhr request was redirected and returns correct url depending
+ * on `handleManifestRedirects` option
+ *
+ * @api private
+ *
+ * @param {String} url - an url being requested
+ * @param {XMLHttpRequest} req - xhr request result
+ *
+ * @return {String}
+ */
+
+
+ var resolveManifestRedirect = function resolveManifestRedirect(handleManifestRedirect, url, req) {
+ // To understand how the responseURL below is set and generated:
+ // - https://fetch.spec.whatwg.org/#concept-response-url
+ // - https://fetch.spec.whatwg.org/#atomic-http-redirect-handling
+ if (handleManifestRedirect && req.responseURL && url !== req.responseURL) {
+ return req.responseURL;
+ }
+
+ return url;
+ };
+
+ var classCallCheck$1 = function classCallCheck(instance, Constructor) {
+ if (!(instance instanceof Constructor)) {
+ throw new TypeError("Cannot call a class as a function");
+ }
+ };
+
+ var createClass$1 = function () {
+ function defineProperties(target, props) {
+ for (var i = 0; i < props.length; i++) {
+ var descriptor = props[i];
+ descriptor.enumerable = descriptor.enumerable || false;
+ descriptor.configurable = true;
+ if ("value" in descriptor) descriptor.writable = true;
+ Object.defineProperty(target, descriptor.key, descriptor);
+ }
+ }
+
+ return function (Constructor, protoProps, staticProps) {
+ if (protoProps) defineProperties(Constructor.prototype, protoProps);
+ if (staticProps) defineProperties(Constructor, staticProps);
+ return Constructor;
+ };
+ }();
+
+ var get$1 = function get(object, property, receiver) {
+ if (object === null) object = Function.prototype;
+ var desc = Object.getOwnPropertyDescriptor(object, property);
+
+ if (desc === undefined) {
+ var parent = Object.getPrototypeOf(object);
+
+ if (parent === null) {
+ return undefined;
+ } else {
+ return get(parent, property, receiver);
+ }
+ } else if ("value" in desc) {
+ return desc.value;
+ } else {
+ var getter = desc.get;
+
+ if (getter === undefined) {
+ return undefined;
+ }
+
+ return getter.call(receiver);
+ }
+ };
+
+ var inherits$2 = function inherits(subClass, superClass) {
+ if (typeof superClass !== "function" && superClass !== null) {
+ throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
+ }
+
+ subClass.prototype = Object.create(superClass && superClass.prototype, {
+ constructor: {
+ value: subClass,
+ enumerable: false,
+ writable: true,
+ configurable: true
+ }
+ });
+ if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
+ };
+
+ var possibleConstructorReturn$1 = function possibleConstructorReturn(self, call) {
+ if (!self) {
+ throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
+ }
+
+ return call && (typeof call === "object" || typeof call === "function") ? call : self;
+ };
+
+ var slicedToArray = function () {
+ function sliceIterator(arr, i) {
+ var _arr = [];
+ var _n = true;
+ var _d = false;
+ var _e = undefined;
+
+ try {
+ for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
+ _arr.push(_s.value);
+
+ if (i && _arr.length === i) break;
+ }
+ } catch (err) {
+ _d = true;
+ _e = err;
+ } finally {
+ try {
+ if (!_n && _i["return"]) _i["return"]();
+ } finally {
+ if (_d) throw _e;
+ }
+ }
+
+ return _arr;
+ }
+
+ return function (arr, i) {
+ if (Array.isArray(arr)) {
+ return arr;
+ } else if (Symbol.iterator in Object(arr)) {
+ return sliceIterator(arr, i);
+ } else {
+ throw new TypeError("Invalid attempt to destructure non-iterable instance");
+ }
+ };
+ }();
+ /**
+ * @file playlist-loader.js
+ *
+ * A state machine that manages the loading, caching, and updating of
+ * M3U8 playlists.
+ *
+ */
+
+
+ var mergeOptions$1 = videojs$1.mergeOptions,
+ EventTarget$1 = videojs$1.EventTarget,
+ log$1 = videojs$1.log;
+ /**
+ * Loops through all supported media groups in master and calls the provided
+ * callback for each group
+ *
+ * @param {Object} master
+ * The parsed master manifest object
+ * @param {Function} callback
+ * Callback to call for each media group
+ */
+
+ var forEachMediaGroup = function forEachMediaGroup(master, callback) {
+ ['AUDIO', 'SUBTITLES'].forEach(function (mediaType) {
+ for (var groupKey in master.mediaGroups[mediaType]) {
+ for (var labelKey in master.mediaGroups[mediaType][groupKey]) {
+ var mediaProperties = master.mediaGroups[mediaType][groupKey][labelKey];
+ callback(mediaProperties, mediaType, groupKey, labelKey);
+ }
+ }
+ });
+ };
+ /**
+ * Returns a new array of segments that is the result of merging
+ * properties from an older list of segments onto an updated
+ * list. No properties on the updated playlist will be overridden.
+ *
+ * @param {Array} original the outdated list of segments
+ * @param {Array} update the updated list of segments
+ * @param {Number=} offset the index of the first update
+ * segment in the original segment list. For non-live playlists,
+ * this should always be zero and does not need to be
+ * specified. For live playlists, it should be the difference
+ * between the media sequence numbers in the original and updated
+ * playlists.
+ * @return a list of merged segment objects
+ */
+
+
+ var updateSegments = function updateSegments(original, update, offset) {
+ var result = update.slice();
+ offset = offset || 0;
+ var length = Math.min(original.length, update.length + offset);
+
+ for (var i = offset; i < length; i++) {
+ result[i - offset] = mergeOptions$1(original[i], result[i - offset]);
+ }
+
+ return result;
+ };
+
+ var resolveSegmentUris = function resolveSegmentUris(segment, baseUri) {
+ if (!segment.resolvedUri) {
+ segment.resolvedUri = resolveUrl$1(baseUri, segment.uri);
+ }
+
+ if (segment.key && !segment.key.resolvedUri) {
+ segment.key.resolvedUri = resolveUrl$1(baseUri, segment.key.uri);
+ }
+
+ if (segment.map && !segment.map.resolvedUri) {
+ segment.map.resolvedUri = resolveUrl$1(baseUri, segment.map.uri);
+ }
+ };
+ /**
+ * Returns a new master playlist that is the result of merging an
+ * updated media playlist into the original version. If the
+ * updated media playlist does not match any of the playlist
+ * entries in the original master playlist, null is returned.
+ *
+ * @param {Object} master a parsed master M3U8 object
+ * @param {Object} media a parsed media M3U8 object
+ * @return {Object} a new object that represents the original
+ * master playlist with the updated media playlist merged in, or
+ * null if the merge produced no change.
+ */
+
+
+ var updateMaster = function updateMaster(master, media) {
+ var result = mergeOptions$1(master, {});
+ var playlist = result.playlists[media.id];
+
+ if (!playlist) {
+ return null;
+ } // consider the playlist unchanged if the number of segments is equal, the media
+ // sequence number is unchanged, and this playlist hasn't become the end of the playlist
+
+
+ if (playlist.segments && media.segments && playlist.segments.length === media.segments.length && playlist.endList === media.endList && playlist.mediaSequence === media.mediaSequence) {
+ return null;
+ }
+
+ var mergedPlaylist = mergeOptions$1(playlist, media); // if the update could overlap existing segment information, merge the two segment lists
+
+ if (playlist.segments) {
+ mergedPlaylist.segments = updateSegments(playlist.segments, media.segments, media.mediaSequence - playlist.mediaSequence);
+ } // resolve any segment URIs to prevent us from having to do it later
+
+
+ mergedPlaylist.segments.forEach(function (segment) {
+ resolveSegmentUris(segment, mergedPlaylist.resolvedUri);
+ }); // TODO Right now in the playlists array there are two references to each playlist, one
+ // that is referenced by index, and one by URI. The index reference may no longer be
+ // necessary.
+
+ for (var i = 0; i < result.playlists.length; i++) {
+ if (result.playlists[i].id === media.id) {
+ result.playlists[i] = mergedPlaylist;
+ }
+ }
+
+ result.playlists[media.id] = mergedPlaylist; // URI reference added for backwards compatibility
+
+ result.playlists[media.uri] = mergedPlaylist;
+ return result;
+ };
+
+ var createPlaylistID = function createPlaylistID(index, uri) {
+ return index + '-' + uri;
+ };
+
+ var setupMediaPlaylists = function setupMediaPlaylists(master) {
+ // setup by-URI lookups and resolve media playlist URIs
+ var i = master.playlists.length;
+
+ while (i--) {
+ var playlist = master.playlists[i];
+ playlist.resolvedUri = resolveUrl$1(master.uri, playlist.uri);
+ playlist.id = createPlaylistID(i, playlist.uri);
+ master.playlists[playlist.id] = playlist; // URI reference added for backwards compatibility
+
+ master.playlists[playlist.uri] = playlist;
+
+ if (!playlist.attributes) {
+ // Although the spec states an #EXT-X-STREAM-INF tag MUST have a
+ // BANDWIDTH attribute, we can play the stream without it. This means a poorly
+ // formatted master playlist may not have an attribute list. An attributes
+ // property is added here to prevent undefined references when we encounter
+ // this scenario.
+ playlist.attributes = {};
+ log$1.warn('Invalid playlist STREAM-INF detected. Missing BANDWIDTH attribute.');
+ }
+ }
+ };
+
+ var resolveMediaGroupUris = function resolveMediaGroupUris(master) {
+ forEachMediaGroup(master, function (properties) {
+ if (properties.uri) {
+ properties.resolvedUri = resolveUrl$1(master.uri, properties.uri);
+ }
+ });
+ };
+ /**
+ * Calculates the time to wait before refreshing a live playlist
+ *
+ * @param {Object} media
+ * The current media
+ * @param {Boolean} update
+ * True if there were any updates from the last refresh, false otherwise
+ * @return {Number}
+ * The time in ms to wait before refreshing the live playlist
+ */
+
+
+ var refreshDelay = function refreshDelay(media, update) {
+ var lastSegment = media.segments[media.segments.length - 1];
+ var delay = void 0;
+
+ if (update && lastSegment && lastSegment.duration) {
+ delay = lastSegment.duration * 1000;
+ } else {
+ // if the playlist is unchanged since the last reload or last segment duration
+ // cannot be determined, try again after half the target duration
+ delay = (media.targetDuration || 10) * 500;
+ }
+
+ return delay;
+ };
+ /**
+ * Load a playlist from a remote location
+ *
+ * @class PlaylistLoader
+ * @extends Stream
+ * @param {String} srcUrl the url to start with
+ * @param {Boolean} withCredentials the withCredentials xhr option
+ * @constructor
+ */
+
+
+ var PlaylistLoader = function (_EventTarget) {
+ inherits$2(PlaylistLoader, _EventTarget);
+
+ function PlaylistLoader(srcUrl, hls) {
+ var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+ classCallCheck$1(this, PlaylistLoader);
+
+ var _this = possibleConstructorReturn$1(this, (PlaylistLoader.__proto__ || Object.getPrototypeOf(PlaylistLoader)).call(this));
+
+ var _options$withCredenti = options.withCredentials,
+ withCredentials = _options$withCredenti === undefined ? false : _options$withCredenti,
+ _options$handleManife = options.handleManifestRedirects,
+ handleManifestRedirects = _options$handleManife === undefined ? false : _options$handleManife;
+ _this.srcUrl = srcUrl;
+ _this.hls_ = hls;
+ _this.withCredentials = withCredentials;
+ _this.handleManifestRedirects = handleManifestRedirects;
+ var hlsOptions = hls.options_;
+ _this.customTagParsers = hlsOptions && hlsOptions.customTagParsers || [];
+ _this.customTagMappers = hlsOptions && hlsOptions.customTagMappers || [];
+
+ if (!_this.srcUrl) {
+ throw new Error('A non-empty playlist URL is required');
+ } // initialize the loader state
+
+
+ _this.state = 'HAVE_NOTHING'; // live playlist staleness timeout
+
+ _this.on('mediaupdatetimeout', function () {
+ if (_this.state !== 'HAVE_METADATA') {
+ // only refresh the media playlist if no other activity is going on
+ return;
+ }
+
+ _this.state = 'HAVE_CURRENT_METADATA';
+ _this.request = _this.hls_.xhr({
+ uri: resolveUrl$1(_this.master.uri, _this.media().uri),
+ withCredentials: _this.withCredentials
+ }, function (error, req) {
+ // disposed
+ if (!_this.request) {
+ return;
+ }
+
+ if (error) {
+ return _this.playlistRequestError(_this.request, _this.media(), 'HAVE_METADATA');
+ }
+
+ _this.haveMetadata(_this.request, _this.media().uri, _this.media().id);
+ });
+ });
+
+ return _this;
+ }
+
+ createClass$1(PlaylistLoader, [{
+ key: 'playlistRequestError',
+ value: function playlistRequestError(xhr, playlist, startingState) {
+ var uri = playlist.uri,
+ id = playlist.id; // any in-flight request is now finished
+
+ this.request = null;
+
+ if (startingState) {
+ this.state = startingState;
+ }
+
+ this.error = {
+ playlist: this.master.playlists[id],
+ status: xhr.status,
+ message: 'HLS playlist request error at URL: ' + uri + '.',
+ responseText: xhr.responseText,
+ code: xhr.status >= 500 ? 4 : 2
+ };
+ this.trigger('error');
+ } // update the playlist loader's state in response to a new or
+ // updated playlist.
+
+ }, {
+ key: 'haveMetadata',
+ value: function haveMetadata(xhr, url, id) {
+ var _this2 = this; // any in-flight request is now finished
+
+
+ this.request = null;
+ this.state = 'HAVE_METADATA';
+ var parser = new Parser(); // adding custom tag parsers
+
+ this.customTagParsers.forEach(function (customParser) {
+ return parser.addParser(customParser);
+ }); // adding custom tag mappers
+
+ this.customTagMappers.forEach(function (mapper) {
+ return parser.addTagMapper(mapper);
+ });
+ parser.push(xhr.responseText);
+ parser.end();
+ parser.manifest.uri = url;
+ parser.manifest.id = id; // m3u8-parser does not attach an attributes property to media playlists so make
+ // sure that the property is attached to avoid undefined reference errors
+
+ parser.manifest.attributes = parser.manifest.attributes || {}; // merge this playlist into the master
+
+ var update = updateMaster(this.master, parser.manifest);
+ this.targetDuration = parser.manifest.targetDuration;
+
+ if (update) {
+ this.master = update;
+ this.media_ = this.master.playlists[id];
+ } else {
+ this.trigger('playlistunchanged');
+ } // refresh live playlists after a target duration passes
+
+
+ if (!this.media().endList) {
+ window$3.clearTimeout(this.mediaUpdateTimeout);
+ this.mediaUpdateTimeout = window$3.setTimeout(function () {
+ _this2.trigger('mediaupdatetimeout');
+ }, refreshDelay(this.media(), !!update));
+ }
+
+ this.trigger('loadedplaylist');
+ }
+ /**
+ * Abort any outstanding work and clean up.
+ */
+
+ }, {
+ key: 'dispose',
+ value: function dispose() {
+ this.trigger('dispose');
+ this.stopRequest();
+ window$3.clearTimeout(this.mediaUpdateTimeout);
+ window$3.clearTimeout(this.finalRenditionTimeout);
+ this.off();
+ }
+ }, {
+ key: 'stopRequest',
+ value: function stopRequest() {
+ if (this.request) {
+ var oldRequest = this.request;
+ this.request = null;
+ oldRequest.onreadystatechange = null;
+ oldRequest.abort();
+ }
+ }
+ /**
+ * When called without any arguments, returns the currently
+ * active media playlist. When called with a single argument,
+ * triggers the playlist loader to asynchronously switch to the
+ * specified media playlist. Calling this method while the
+ * loader is in the HAVE_NOTHING causes an error to be emitted
+ * but otherwise has no effect.
+ *
+ * @param {Object=} playlist the parsed media playlist
+ * object to switch to
+ * @param {Boolean=} is this the last available playlist
+ *
+ * @return {Playlist} the current loaded media
+ */
+
+ }, {
+ key: 'media',
+ value: function media(playlist, isFinalRendition) {
+ var _this3 = this; // getter
+
+
+ if (!playlist) {
+ return this.media_;
+ } // setter
+
+
+ if (this.state === 'HAVE_NOTHING') {
+ throw new Error('Cannot switch media playlist from ' + this.state);
+ } // find the playlist object if the target playlist has been
+ // specified by URI
+
+
+ if (typeof playlist === 'string') {
+ if (!this.master.playlists[playlist]) {
+ throw new Error('Unknown playlist URI: ' + playlist);
+ }
+
+ playlist = this.master.playlists[playlist];
+ }
+
+ window$3.clearTimeout(this.finalRenditionTimeout);
+
+ if (isFinalRendition) {
+ var delay = playlist.targetDuration / 2 * 1000 || 5 * 1000;
+ this.finalRenditionTimeout = window$3.setTimeout(this.media.bind(this, playlist, false), delay);
+ return;
+ }
+
+ var startingState = this.state;
+ var mediaChange = !this.media_ || playlist.id !== this.media_.id; // switch to fully loaded playlists immediately
+
+ if (this.master.playlists[playlist.id].endList) {
+ // abort outstanding playlist requests
+ if (this.request) {
+ this.request.onreadystatechange = null;
+ this.request.abort();
+ this.request = null;
+ }
+
+ this.state = 'HAVE_METADATA';
+ this.media_ = playlist; // trigger media change if the active media has been updated
+
+ if (mediaChange) {
+ this.trigger('mediachanging');
+ this.trigger('mediachange');
+ }
+
+ return;
+ } // switching to the active playlist is a no-op
+
+
+ if (!mediaChange) {
+ return;
+ }
+
+ this.state = 'SWITCHING_MEDIA'; // there is already an outstanding playlist request
+
+ if (this.request) {
+ if (playlist.resolvedUri === this.request.url) {
+ // requesting to switch to the same playlist multiple times
+ // has no effect after the first
+ return;
+ }
+
+ this.request.onreadystatechange = null;
+ this.request.abort();
+ this.request = null;
+ } // request the new playlist
+
+
+ if (this.media_) {
+ this.trigger('mediachanging');
+ }
+
+ this.request = this.hls_.xhr({
+ uri: playlist.resolvedUri,
+ withCredentials: this.withCredentials
+ }, function (error, req) {
+ // disposed
+ if (!_this3.request) {
+ return;
+ }
+
+ playlist.resolvedUri = resolveManifestRedirect(_this3.handleManifestRedirects, playlist.resolvedUri, req);
+
+ if (error) {
+ return _this3.playlistRequestError(_this3.request, playlist, startingState);
+ }
+
+ _this3.haveMetadata(req, playlist.uri, playlist.id); // fire loadedmetadata the first time a media playlist is loaded
+
+
+ if (startingState === 'HAVE_MASTER') {
+ _this3.trigger('loadedmetadata');
+ } else {
+ _this3.trigger('mediachange');
+ }
+ });
+ }
+ /**
+ * pause loading of the playlist
+ */
+
+ }, {
+ key: 'pause',
+ value: function pause() {
+ this.stopRequest();
+ window$3.clearTimeout(this.mediaUpdateTimeout);
+
+ if (this.state === 'HAVE_NOTHING') {
+ // If we pause the loader before any data has been retrieved, its as if we never
+ // started, so reset to an unstarted state.
+ this.started = false;
+ } // Need to restore state now that no activity is happening
+
+
+ if (this.state === 'SWITCHING_MEDIA') {
+ // if the loader was in the process of switching media, it should either return to
+ // HAVE_MASTER or HAVE_METADATA depending on if the loader has loaded a media
+ // playlist yet. This is determined by the existence of loader.media_
+ if (this.media_) {
+ this.state = 'HAVE_METADATA';
+ } else {
+ this.state = 'HAVE_MASTER';
+ }
+ } else if (this.state === 'HAVE_CURRENT_METADATA') {
+ this.state = 'HAVE_METADATA';
+ }
+ }
+ /**
+ * start loading of the playlist
+ */
+
+ }, {
+ key: 'load',
+ value: function load(isFinalRendition) {
+ var _this4 = this;
+
+ window$3.clearTimeout(this.mediaUpdateTimeout);
+ var media = this.media();
+
+ if (isFinalRendition) {
+ var delay = media ? media.targetDuration / 2 * 1000 : 5 * 1000;
+ this.mediaUpdateTimeout = window$3.setTimeout(function () {
+ return _this4.load();
+ }, delay);
+ return;
+ }
+
+ if (!this.started) {
+ this.start();
+ return;
+ }
+
+ if (media && !media.endList) {
+ this.trigger('mediaupdatetimeout');
+ } else {
+ this.trigger('loadedplaylist');
+ }
+ }
+ /**
+ * start loading of the playlist
+ */
+
+ }, {
+ key: 'start',
+ value: function start() {
+ var _this5 = this;
+
+ this.started = true; // request the specified URL
+
+ this.request = this.hls_.xhr({
+ uri: this.srcUrl,
+ withCredentials: this.withCredentials
+ }, function (error, req) {
+ // disposed
+ if (!_this5.request) {
+ return;
+ } // clear the loader's request reference
+
+
+ _this5.request = null;
+
+ if (error) {
+ _this5.error = {
+ status: req.status,
+ message: 'HLS playlist request error at URL: ' + _this5.srcUrl + '.',
+ responseText: req.responseText,
+ // MEDIA_ERR_NETWORK
+ code: 2
+ };
+
+ if (_this5.state === 'HAVE_NOTHING') {
+ _this5.started = false;
+ }
+
+ return _this5.trigger('error');
+ }
+
+ var parser = new Parser(); // adding custom tag parsers
+
+ _this5.customTagParsers.forEach(function (customParser) {
+ return parser.addParser(customParser);
+ }); // adding custom tag mappers
+
+
+ _this5.customTagMappers.forEach(function (mapper) {
+ return parser.addTagMapper(mapper);
+ });
+
+ parser.push(req.responseText);
+ parser.end();
+ _this5.state = 'HAVE_MASTER';
+ _this5.srcUrl = resolveManifestRedirect(_this5.handleManifestRedirects, _this5.srcUrl, req);
+ parser.manifest.uri = _this5.srcUrl; // loaded a master playlist
+
+ if (parser.manifest.playlists) {
+ _this5.master = parser.manifest;
+ setupMediaPlaylists(_this5.master);
+ resolveMediaGroupUris(_this5.master);
+
+ _this5.trigger('loadedplaylist');
+
+ if (!_this5.request) {
+ // no media playlist was specifically selected so start
+ // from the first listed one
+ _this5.media(parser.manifest.playlists[0]);
+ }
+
+ return;
+ }
+
+ var id = createPlaylistID(0, _this5.srcUrl); // loaded a media playlist
+ // infer a master playlist if none was previously requested
+
+ _this5.master = {
+ mediaGroups: {
+ 'AUDIO': {},
+ 'VIDEO': {},
+ 'CLOSED-CAPTIONS': {},
+ 'SUBTITLES': {}
+ },
+ uri: window$3.location.href,
+ playlists: [{
+ uri: _this5.srcUrl,
+ id: id,
+ resolvedUri: _this5.srcUrl,
+ // m3u8-parser does not attach an attributes property to media playlists so make
+ // sure that the property is attached to avoid undefined reference errors
+ attributes: {}
+ }]
+ };
+ _this5.master.playlists[id] = _this5.master.playlists[0]; // URI reference added for backwards compatibility
+
+ _this5.master.playlists[_this5.srcUrl] = _this5.master.playlists[0];
+
+ _this5.haveMetadata(req, _this5.srcUrl, id);
+
+ return _this5.trigger('loadedmetadata');
+ });
+ }
+ }]);
+ return PlaylistLoader;
+ }(EventTarget$1);
+ /**
+ * @file playlist.js
+ *
+ * Playlist related utilities.
+ */
+
+
+ var createTimeRange = videojs$1.createTimeRange;
+ /**
+ * walk backward until we find a duration we can use
+ * or return a failure
+ *
+ * @param {Playlist} playlist the playlist to walk through
+ * @param {Number} endSequence the mediaSequence to stop walking on
+ */
+
+ var backwardDuration = function backwardDuration(playlist, endSequence) {
+ var result = 0;
+ var i = endSequence - playlist.mediaSequence; // if a start time is available for segment immediately following
+ // the interval, use it
+
+ var segment = playlist.segments[i]; // Walk backward until we find the latest segment with timeline
+ // information that is earlier than endSequence
+
+ if (segment) {
+ if (typeof segment.start !== 'undefined') {
+ return {
+ result: segment.start,
+ precise: true
+ };
+ }
+
+ if (typeof segment.end !== 'undefined') {
+ return {
+ result: segment.end - segment.duration,
+ precise: true
+ };
+ }
+ }
+
+ while (i--) {
+ segment = playlist.segments[i];
+
+ if (typeof segment.end !== 'undefined') {
+ return {
+ result: result + segment.end,
+ precise: true
+ };
+ }
+
+ result += segment.duration;
+
+ if (typeof segment.start !== 'undefined') {
+ return {
+ result: result + segment.start,
+ precise: true
+ };
+ }
+ }
+
+ return {
+ result: result,
+ precise: false
+ };
+ };
+ /**
+ * walk forward until we find a duration we can use
+ * or return a failure
+ *
+ * @param {Playlist} playlist the playlist to walk through
+ * @param {Number} endSequence the mediaSequence to stop walking on
+ */
+
+
+ var forwardDuration = function forwardDuration(playlist, endSequence) {
+ var result = 0;
+ var segment = void 0;
+ var i = endSequence - playlist.mediaSequence; // Walk forward until we find the earliest segment with timeline
+ // information
+
+ for (; i < playlist.segments.length; i++) {
+ segment = playlist.segments[i];
+
+ if (typeof segment.start !== 'undefined') {
+ return {
+ result: segment.start - result,
+ precise: true
+ };
+ }
+
+ result += segment.duration;
+
+ if (typeof segment.end !== 'undefined') {
+ return {
+ result: segment.end - result,
+ precise: true
+ };
+ }
+ } // indicate we didn't find a useful duration estimate
+
+
+ return {
+ result: -1,
+ precise: false
+ };
+ };
+ /**
+ * Calculate the media duration from the segments associated with a
+ * playlist. The duration of a subinterval of the available segments
+ * may be calculated by specifying an end index.
+ *
+ * @param {Object} playlist a media playlist object
+ * @param {Number=} endSequence an exclusive upper boundary
+ * for the playlist. Defaults to playlist length.
+ * @param {Number} expired the amount of time that has dropped
+ * off the front of the playlist in a live scenario
+ * @return {Number} the duration between the first available segment
+ * and end index.
+ */
+
+
+ var intervalDuration = function intervalDuration(playlist, endSequence, expired) {
+ var backward = void 0;
+ var forward = void 0;
+
+ if (typeof endSequence === 'undefined') {
+ endSequence = playlist.mediaSequence + playlist.segments.length;
+ }
+
+ if (endSequence < playlist.mediaSequence) {
+ return 0;
+ } // do a backward walk to estimate the duration
+
+
+ backward = backwardDuration(playlist, endSequence);
+
+ if (backward.precise) {
+ // if we were able to base our duration estimate on timing
+ // information provided directly from the Media Source, return
+ // it
+ return backward.result;
+ } // walk forward to see if a precise duration estimate can be made
+ // that way
+
+
+ forward = forwardDuration(playlist, endSequence);
+
+ if (forward.precise) {
+ // we found a segment that has been buffered and so it's
+ // position is known precisely
+ return forward.result;
+ } // return the less-precise, playlist-based duration estimate
+
+
+ return backward.result + expired;
+ };
+ /**
+ * Calculates the duration of a playlist. If a start and end index
+ * are specified, the duration will be for the subset of the media
+ * timeline between those two indices. The total duration for live
+ * playlists is always Infinity.
+ *
+ * @param {Object} playlist a media playlist object
+ * @param {Number=} endSequence an exclusive upper
+ * boundary for the playlist. Defaults to the playlist media
+ * sequence number plus its length.
+ * @param {Number=} expired the amount of time that has
+ * dropped off the front of the playlist in a live scenario
+ * @return {Number} the duration between the start index and end
+ * index.
+ */
+
+
+ var duration = function duration(playlist, endSequence, expired) {
+ if (!playlist) {
+ return 0;
+ }
+
+ if (typeof expired !== 'number') {
+ expired = 0;
+ } // if a slice of the total duration is not requested, use
+ // playlist-level duration indicators when they're present
+
+
+ if (typeof endSequence === 'undefined') {
+ // if present, use the duration specified in the playlist
+ if (playlist.totalDuration) {
+ return playlist.totalDuration;
+ } // duration should be Infinity for live playlists
+
+
+ if (!playlist.endList) {
+ return window$3.Infinity;
+ }
+ } // calculate the total duration based on the segment durations
+
+
+ return intervalDuration(playlist, endSequence, expired);
+ };
+ /**
+ * Calculate the time between two indexes in the current playlist
+ * neight the start- nor the end-index need to be within the current
+ * playlist in which case, the targetDuration of the playlist is used
+ * to approximate the durations of the segments
+ *
+ * @param {Object} playlist a media playlist object
+ * @param {Number} startIndex
+ * @param {Number} endIndex
+ * @return {Number} the number of seconds between startIndex and endIndex
+ */
+
+
+ var sumDurations = function sumDurations(playlist, startIndex, endIndex) {
+ var durations = 0;
+
+ if (startIndex > endIndex) {
+ var _ref = [endIndex, startIndex];
+ startIndex = _ref[0];
+ endIndex = _ref[1];
+ }
+
+ if (startIndex < 0) {
+ for (var i = startIndex; i < Math.min(0, endIndex); i++) {
+ durations += playlist.targetDuration;
+ }
+
+ startIndex = 0;
+ }
+
+ for (var _i = startIndex; _i < endIndex; _i++) {
+ durations += playlist.segments[_i].duration;
+ }
+
+ return durations;
+ };
+ /**
+ * Determines the media index of the segment corresponding to the safe edge of the live
+ * window which is the duration of the last segment plus 2 target durations from the end
+ * of the playlist.
+ *
+ * A liveEdgePadding can be provided which will be used instead of calculating the safe live edge.
+ * This corresponds to suggestedPresentationDelay in DASH manifests.
+ *
+ * @param {Object} playlist
+ * a media playlist object
+ * @param {Number} [liveEdgePadding]
+ * A number in seconds indicating how far from the end we want to be.
+ * If provided, this value is used instead of calculating the safe live index from the target durations.
+ * Corresponds to suggestedPresentationDelay in DASH manifests.
+ * @return {Number}
+ * The media index of the segment at the safe live point. 0 if there is no "safe"
+ * point.
+ * @function safeLiveIndex
+ */
+
+
+ var safeLiveIndex = function safeLiveIndex(playlist, liveEdgePadding) {
+ if (!playlist.segments.length) {
+ return 0;
+ }
+
+ var i = playlist.segments.length;
+ var lastSegmentDuration = playlist.segments[i - 1].duration || playlist.targetDuration;
+ var safeDistance = typeof liveEdgePadding === 'number' ? liveEdgePadding : lastSegmentDuration + playlist.targetDuration * 2;
+
+ if (safeDistance === 0) {
+ return i;
+ }
+
+ var distanceFromEnd = 0;
+
+ while (i--) {
+ distanceFromEnd += playlist.segments[i].duration;
+
+ if (distanceFromEnd >= safeDistance) {
+ break;
+ }
+ }
+
+ return Math.max(0, i);
+ };
+ /**
+ * Calculates the playlist end time
+ *
+ * @param {Object} playlist a media playlist object
+ * @param {Number=} expired the amount of time that has
+ * dropped off the front of the playlist in a live scenario
+ * @param {Boolean|false} useSafeLiveEnd a boolean value indicating whether or not the
+ * playlist end calculation should consider the safe live end
+ * (truncate the playlist end by three segments). This is normally
+ * used for calculating the end of the playlist's seekable range.
+ * This takes into account the value of liveEdgePadding.
+ * Setting liveEdgePadding to 0 is equivalent to setting this to false.
+ * @param {Number} liveEdgePadding a number indicating how far from the end of the playlist we should be in seconds.
+ * If this is provided, it is used in the safe live end calculation.
+ * Setting useSafeLiveEnd=false or liveEdgePadding=0 are equivalent.
+ * Corresponds to suggestedPresentationDelay in DASH manifests.
+ * @returns {Number} the end time of playlist
+ * @function playlistEnd
+ */
+
+
+ var playlistEnd = function playlistEnd(playlist, expired, useSafeLiveEnd, liveEdgePadding) {
+ if (!playlist || !playlist.segments) {
+ return null;
+ }
+
+ if (playlist.endList) {
+ return duration(playlist);
+ }
+
+ if (expired === null) {
+ return null;
+ }
+
+ expired = expired || 0;
+ var endSequence = useSafeLiveEnd ? safeLiveIndex(playlist, liveEdgePadding) : playlist.segments.length;
+ return intervalDuration(playlist, playlist.mediaSequence + endSequence, expired);
+ };
+ /**
+ * Calculates the interval of time that is currently seekable in a
+ * playlist. The returned time ranges are relative to the earliest
+ * moment in the specified playlist that is still available. A full
+ * seekable implementation for live streams would need to offset
+ * these values by the duration of content that has expired from the
+ * stream.
+ *
+ * @param {Object} playlist a media playlist object
+ * dropped off the front of the playlist in a live scenario
+ * @param {Number=} expired the amount of time that has
+ * dropped off the front of the playlist in a live scenario
+ * @param {Number} liveEdgePadding how far from the end of the playlist we should be in seconds.
+ * Corresponds to suggestedPresentationDelay in DASH manifests.
+ * @return {TimeRanges} the periods of time that are valid targets
+ * for seeking
+ */
+
+
+ var seekable = function seekable(playlist, expired, liveEdgePadding) {
+ var useSafeLiveEnd = true;
+ var seekableStart = expired || 0;
+ var seekableEnd = playlistEnd(playlist, expired, useSafeLiveEnd, liveEdgePadding);
+
+ if (seekableEnd === null) {
+ return createTimeRange();
+ }
+
+ return createTimeRange(seekableStart, seekableEnd);
+ };
+
+ var isWholeNumber = function isWholeNumber(num) {
+ return num - Math.floor(num) === 0;
+ };
+
+ var roundSignificantDigit = function roundSignificantDigit(increment, num) {
+ // If we have a whole number, just add 1 to it
+ if (isWholeNumber(num)) {
+ return num + increment * 0.1;
+ }
+
+ var numDecimalDigits = num.toString().split('.')[1].length;
+
+ for (var i = 1; i <= numDecimalDigits; i++) {
+ var scale = Math.pow(10, i);
+ var temp = num * scale;
+
+ if (isWholeNumber(temp) || i === numDecimalDigits) {
+ return (temp + increment) / scale;
+ }
+ }
+ };
+
+ var ceilLeastSignificantDigit = roundSignificantDigit.bind(null, 1);
+ var floorLeastSignificantDigit = roundSignificantDigit.bind(null, -1);
+ /**
+ * Determine the index and estimated starting time of the segment that
+ * contains a specified playback position in a media playlist.
+ *
+ * @param {Object} playlist the media playlist to query
+ * @param {Number} currentTime The number of seconds since the earliest
+ * possible position to determine the containing segment for
+ * @param {Number} startIndex
+ * @param {Number} startTime
+ * @return {Object}
+ */
+
+ var getMediaInfoForTime = function getMediaInfoForTime(playlist, currentTime, startIndex, startTime) {
+ var i = void 0;
+ var segment = void 0;
+ var numSegments = playlist.segments.length;
+ var time = currentTime - startTime;
+
+ if (time < 0) {
+ // Walk backward from startIndex in the playlist, adding durations
+ // until we find a segment that contains `time` and return it
+ if (startIndex > 0) {
+ for (i = startIndex - 1; i >= 0; i--) {
+ segment = playlist.segments[i];
+ time += floorLeastSignificantDigit(segment.duration);
+
+ if (time > 0) {
+ return {
+ mediaIndex: i,
+ startTime: startTime - sumDurations(playlist, startIndex, i)
+ };
+ }
+ }
+ } // We were unable to find a good segment within the playlist
+ // so select the first segment
+
+
+ return {
+ mediaIndex: 0,
+ startTime: currentTime
+ };
+ } // When startIndex is negative, we first walk forward to first segment
+ // adding target durations. If we "run out of time" before getting to
+ // the first segment, return the first segment
+
+
+ if (startIndex < 0) {
+ for (i = startIndex; i < 0; i++) {
+ time -= playlist.targetDuration;
+
+ if (time < 0) {
+ return {
+ mediaIndex: 0,
+ startTime: currentTime
+ };
+ }
+ }
+
+ startIndex = 0;
+ } // Walk forward from startIndex in the playlist, subtracting durations
+ // until we find a segment that contains `time` and return it
+
+
+ for (i = startIndex; i < numSegments; i++) {
+ segment = playlist.segments[i];
+ time -= ceilLeastSignificantDigit(segment.duration);
+
+ if (time < 0) {
+ return {
+ mediaIndex: i,
+ startTime: startTime + sumDurations(playlist, startIndex, i)
+ };
+ }
+ } // We are out of possible candidates so load the last one...
+
+
+ return {
+ mediaIndex: numSegments - 1,
+ startTime: currentTime
+ };
+ };
+ /**
+ * Check whether the playlist is blacklisted or not.
+ *
+ * @param {Object} playlist the media playlist object
+ * @return {boolean} whether the playlist is blacklisted or not
+ * @function isBlacklisted
+ */
+
+
+ var isBlacklisted = function isBlacklisted(playlist) {
+ return playlist.excludeUntil && playlist.excludeUntil > Date.now();
+ };
+ /**
+ * Check whether the playlist is compatible with current playback configuration or has
+ * been blacklisted permanently for being incompatible.
+ *
+ * @param {Object} playlist the media playlist object
+ * @return {boolean} whether the playlist is incompatible or not
+ * @function isIncompatible
+ */
+
+
+ var isIncompatible = function isIncompatible(playlist) {
+ return playlist.excludeUntil && playlist.excludeUntil === Infinity;
+ };
+ /**
+ * Check whether the playlist is enabled or not.
+ *
+ * @param {Object} playlist the media playlist object
+ * @return {boolean} whether the playlist is enabled or not
+ * @function isEnabled
+ */
+
+
+ var isEnabled = function isEnabled(playlist) {
+ var blacklisted = isBlacklisted(playlist);
+ return !playlist.disabled && !blacklisted;
+ };
+ /**
+ * Check whether the playlist has been manually disabled through the representations api.
+ *
+ * @param {Object} playlist the media playlist object
+ * @return {boolean} whether the playlist is disabled manually or not
+ * @function isDisabled
+ */
+
+
+ var isDisabled = function isDisabled(playlist) {
+ return playlist.disabled;
+ };
+ /**
+ * Returns whether the current playlist is an AES encrypted HLS stream
+ *
+ * @return {Boolean} true if it's an AES encrypted HLS stream
+ */
+
+
+ var isAes = function isAes(media) {
+ for (var i = 0; i < media.segments.length; i++) {
+ if (media.segments[i].key) {
+ return true;
+ }
+ }
+
+ return false;
+ };
+ /**
+ * Returns whether the current playlist contains fMP4
+ *
+ * @return {Boolean} true if the playlist contains fMP4
+ */
+
+
+ var isFmp4 = function isFmp4(media) {
+ for (var i = 0; i < media.segments.length; i++) {
+ if (media.segments[i].map) {
+ return true;
+ }
+ }
+
+ return false;
+ };
+ /**
+ * Checks if the playlist has a value for the specified attribute
+ *
+ * @param {String} attr
+ * Attribute to check for
+ * @param {Object} playlist
+ * The media playlist object
+ * @return {Boolean}
+ * Whether the playlist contains a value for the attribute or not
+ * @function hasAttribute
+ */
+
+
+ var hasAttribute = function hasAttribute(attr, playlist) {
+ return playlist.attributes && playlist.attributes[attr];
+ };
+ /**
+ * Estimates the time required to complete a segment download from the specified playlist
+ *
+ * @param {Number} segmentDuration
+ * Duration of requested segment
+ * @param {Number} bandwidth
+ * Current measured bandwidth of the player
+ * @param {Object} playlist
+ * The media playlist object
+ * @param {Number=} bytesReceived
+ * Number of bytes already received for the request. Defaults to 0
+ * @return {Number|NaN}
+ * The estimated time to request the segment. NaN if bandwidth information for
+ * the given playlist is unavailable
+ * @function estimateSegmentRequestTime
+ */
+
+
+ var estimateSegmentRequestTime = function estimateSegmentRequestTime(segmentDuration, bandwidth, playlist) {
+ var bytesReceived = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 0;
+
+ if (!hasAttribute('BANDWIDTH', playlist)) {
+ return NaN;
+ }
+
+ var size = segmentDuration * playlist.attributes.BANDWIDTH;
+ return (size - bytesReceived * 8) / bandwidth;
+ };
+ /*
+ * Returns whether the current playlist is the lowest rendition
+ *
+ * @return {Boolean} true if on lowest rendition
+ */
+
+
+ var isLowestEnabledRendition = function isLowestEnabledRendition(master, media) {
+ if (master.playlists.length === 1) {
+ return true;
+ }
+
+ var currentBandwidth = media.attributes.BANDWIDTH || Number.MAX_VALUE;
+ return master.playlists.filter(function (playlist) {
+ if (!isEnabled(playlist)) {
+ return false;
+ }
+
+ return (playlist.attributes.BANDWIDTH || 0) < currentBandwidth;
+ }).length === 0;
+ }; // exports
+
+
+ var Playlist = {
+ duration: duration,
+ seekable: seekable,
+ safeLiveIndex: safeLiveIndex,
+ getMediaInfoForTime: getMediaInfoForTime,
+ isEnabled: isEnabled,
+ isDisabled: isDisabled,
+ isBlacklisted: isBlacklisted,
+ isIncompatible: isIncompatible,
+ playlistEnd: playlistEnd,
+ isAes: isAes,
+ isFmp4: isFmp4,
+ hasAttribute: hasAttribute,
+ estimateSegmentRequestTime: estimateSegmentRequestTime,
+ isLowestEnabledRendition: isLowestEnabledRendition
+ };
+ /**
+ * @file xhr.js
+ */
+
+ var videojsXHR = videojs$1.xhr,
+ mergeOptions$1$1 = videojs$1.mergeOptions;
+
+ var xhrFactory = function xhrFactory() {
+ var xhr = function XhrFunction(options, callback) {
+ // Add a default timeout for all hls requests
+ options = mergeOptions$1$1({
+ timeout: 45e3
+ }, options); // Allow an optional user-specified function to modify the option
+ // object before we construct the xhr request
+
+ var beforeRequest = XhrFunction.beforeRequest || videojs$1.Hls.xhr.beforeRequest;
+
+ if (beforeRequest && typeof beforeRequest === 'function') {
+ var newOptions = beforeRequest(options);
+
+ if (newOptions) {
+ options = newOptions;
+ }
+ }
+
+ var request = videojsXHR(options, function (error, response) {
+ var reqResponse = request.response;
+
+ if (!error && reqResponse) {
+ request.responseTime = Date.now();
+ request.roundTripTime = request.responseTime - request.requestTime;
+ request.bytesReceived = reqResponse.byteLength || reqResponse.length;
+
+ if (!request.bandwidth) {
+ request.bandwidth = Math.floor(request.bytesReceived / request.roundTripTime * 8 * 1000);
+ }
+ }
+
+ if (response.headers) {
+ request.responseHeaders = response.headers;
+ } // videojs.xhr now uses a specific code on the error
+ // object to signal that a request has timed out instead
+ // of setting a boolean on the request object
+
+
+ if (error && error.code === 'ETIMEDOUT') {
+ request.timedout = true;
+ } // videojs.xhr no longer considers status codes outside of 200 and 0
+ // (for file uris) to be errors, but the old XHR did, so emulate that
+ // behavior. Status 206 may be used in response to byterange requests.
+
+
+ if (!error && !request.aborted && response.statusCode !== 200 && response.statusCode !== 206 && response.statusCode !== 0) {
+ error = new Error('XHR Failed with a response of: ' + (request && (reqResponse || request.responseText)));
+ }
+
+ callback(error, request);
+ });
+ var originalAbort = request.abort;
+
+ request.abort = function () {
+ request.aborted = true;
+ return originalAbort.apply(request, arguments);
+ };
+
+ request.uri = options.uri;
+ request.requestTime = Date.now();
+ return request;
+ };
+
+ return xhr;
+ };
+ /**
+ * Turns segment byterange into a string suitable for use in
+ * HTTP Range requests
+ *
+ * @param {Object} byterange - an object with two values defining the start and end
+ * of a byte-range
+ */
+
+
+ var byterangeStr = function byterangeStr(byterange) {
+ var byterangeStart = void 0;
+ var byterangeEnd = void 0; // `byterangeEnd` is one less than `offset + length` because the HTTP range
+ // header uses inclusive ranges
+
+ byterangeEnd = byterange.offset + byterange.length - 1;
+ byterangeStart = byterange.offset;
+ return 'bytes=' + byterangeStart + '-' + byterangeEnd;
+ };
+ /**
+ * Defines headers for use in the xhr request for a particular segment.
+ *
+ * @param {Object} segment - a simplified copy of the segmentInfo object
+ * from SegmentLoader
+ */
+
+
+ var segmentXhrHeaders = function segmentXhrHeaders(segment) {
+ var headers = {};
+
+ if (segment.byterange) {
+ headers.Range = byterangeStr(segment.byterange);
+ }
+
+ return headers;
+ };
+ /**
+ * @file bin-utils.js
+ */
+
+ /**
+ * convert a TimeRange to text
+ *
+ * @param {TimeRange} range the timerange to use for conversion
+ * @param {Number} i the iterator on the range to convert
+ */
+
+
+ var textRange = function textRange(range, i) {
+ return range.start(i) + '-' + range.end(i);
+ };
+ /**
+ * format a number as hex string
+ *
+ * @param {Number} e The number
+ * @param {Number} i the iterator
+ */
+
+
+ var formatHexString = function formatHexString(e, i) {
+ var value = e.toString(16);
+ return '00'.substring(0, 2 - value.length) + value + (i % 2 ? ' ' : '');
+ };
+
+ var formatAsciiString = function formatAsciiString(e) {
+ if (e >= 0x20 && e < 0x7e) {
+ return String.fromCharCode(e);
+ }
+
+ return '.';
+ };
+ /**
+ * Creates an object for sending to a web worker modifying properties that are TypedArrays
+ * into a new object with seperated properties for the buffer, byteOffset, and byteLength.
+ *
+ * @param {Object} message
+ * Object of properties and values to send to the web worker
+ * @return {Object}
+ * Modified message with TypedArray values expanded
+ * @function createTransferableMessage
+ */
+
+
+ var createTransferableMessage = function createTransferableMessage(message) {
+ var transferable = {};
+ Object.keys(message).forEach(function (key) {
+ var value = message[key];
+
+ if (ArrayBuffer.isView(value)) {
+ transferable[key] = {
+ bytes: value.buffer,
+ byteOffset: value.byteOffset,
+ byteLength: value.byteLength
+ };
+ } else {
+ transferable[key] = value;
+ }
+ });
+ return transferable;
+ };
+ /**
+ * Returns a unique string identifier for a media initialization
+ * segment.
+ */
+
+
+ var initSegmentId = function initSegmentId(initSegment) {
+ var byterange = initSegment.byterange || {
+ length: Infinity,
+ offset: 0
+ };
+ return [byterange.length, byterange.offset, initSegment.resolvedUri].join(',');
+ };
+ /**
+ * Returns a unique string identifier for a media segment key.
+ */
+
+
+ var segmentKeyId = function segmentKeyId(key) {
+ return key.resolvedUri;
+ };
+ /**
+ * utils to help dump binary data to the console
+ */
+
+
+ var hexDump = function hexDump(data) {
+ var bytes = Array.prototype.slice.call(data);
+ var step = 16;
+ var result = '';
+ var hex = void 0;
+ var ascii = void 0;
+
+ for (var j = 0; j < bytes.length / step; j++) {
+ hex = bytes.slice(j * step, j * step + step).map(formatHexString).join('');
+ ascii = bytes.slice(j * step, j * step + step).map(formatAsciiString).join('');
+ result += hex + ' ' + ascii + '\n';
+ }
+
+ return result;
+ };
+
+ var tagDump = function tagDump(_ref) {
+ var bytes = _ref.bytes;
+ return hexDump(bytes);
+ };
+
+ var textRanges = function textRanges(ranges) {
+ var result = '';
+ var i = void 0;
+
+ for (i = 0; i < ranges.length; i++) {
+ result += textRange(ranges, i) + ' ';
+ }
+
+ return result;
+ };
+
+ var utils$1 = /*#__PURE__*/Object.freeze({
+ createTransferableMessage: createTransferableMessage,
+ initSegmentId: initSegmentId,
+ segmentKeyId: segmentKeyId,
+ hexDump: hexDump,
+ tagDump: tagDump,
+ textRanges: textRanges
+ }); // TODO handle fmp4 case where the timing info is accurate and doesn't involve transmux
+ // Add 25% to the segment duration to account for small discrepencies in segment timing.
+ // 25% was arbitrarily chosen, and may need to be refined over time.
+
+ var SEGMENT_END_FUDGE_PERCENT = 0.25;
+ /**
+ * Converts a player time (any time that can be gotten/set from player.currentTime(),
+ * e.g., any time within player.seekable().start(0) to player.seekable().end(0)) to a
+ * program time (any time referencing the real world (e.g., EXT-X-PROGRAM-DATE-TIME)).
+ *
+ * The containing segment is required as the EXT-X-PROGRAM-DATE-TIME serves as an "anchor
+ * point" (a point where we have a mapping from program time to player time, with player
+ * time being the post transmux start of the segment).
+ *
+ * For more details, see [this doc](../../docs/program-time-from-player-time.md).
+ *
+ * @param {Number} playerTime the player time
+ * @param {Object} segment the segment which contains the player time
+ * @return {Date} program time
+ */
+
+ var playerTimeToProgramTime = function playerTimeToProgramTime(playerTime, segment) {
+ if (!segment.dateTimeObject) {
+ // Can't convert without an "anchor point" for the program time (i.e., a time that can
+ // be used to map the start of a segment with a real world time).
+ return null;
+ }
+
+ var transmuxerPrependedSeconds = segment.videoTimingInfo.transmuxerPrependedSeconds;
+ var transmuxedStart = segment.videoTimingInfo.transmuxedPresentationStart; // get the start of the content from before old content is prepended
+
+ var startOfSegment = transmuxedStart + transmuxerPrependedSeconds;
+ var offsetFromSegmentStart = playerTime - startOfSegment;
+ return new Date(segment.dateTimeObject.getTime() + offsetFromSegmentStart * 1000);
+ };
+
+ var originalSegmentVideoDuration = function originalSegmentVideoDuration(videoTimingInfo) {
+ return videoTimingInfo.transmuxedPresentationEnd - videoTimingInfo.transmuxedPresentationStart - videoTimingInfo.transmuxerPrependedSeconds;
+ };
+ /**
+ * Finds a segment that contains the time requested given as an ISO-8601 string. The
+ * returned segment might be an estimate or an accurate match.
+ *
+ * @param {String} programTime The ISO-8601 programTime to find a match for
+ * @param {Object} playlist A playlist object to search within
+ */
+
+
+ var findSegmentForProgramTime = function findSegmentForProgramTime(programTime, playlist) {
+ // Assumptions:
+ // - verifyProgramDateTimeTags has already been run
+ // - live streams have been started
+ var dateTimeObject = void 0;
+
+ try {
+ dateTimeObject = new Date(programTime);
+ } catch (e) {
+ return null;
+ }
+
+ if (!playlist || !playlist.segments || playlist.segments.length === 0) {
+ return null;
+ }
+
+ var segment = playlist.segments[0];
+
+ if (dateTimeObject < segment.dateTimeObject) {
+ // Requested time is before stream start.
+ return null;
+ }
+
+ for (var i = 0; i < playlist.segments.length - 1; i++) {
+ segment = playlist.segments[i];
+ var nextSegmentStart = playlist.segments[i + 1].dateTimeObject;
+
+ if (dateTimeObject < nextSegmentStart) {
+ break;
+ }
+ }
+
+ var lastSegment = playlist.segments[playlist.segments.length - 1];
+ var lastSegmentStart = lastSegment.dateTimeObject;
+ var lastSegmentDuration = lastSegment.videoTimingInfo ? originalSegmentVideoDuration(lastSegment.videoTimingInfo) : lastSegment.duration + lastSegment.duration * SEGMENT_END_FUDGE_PERCENT;
+ var lastSegmentEnd = new Date(lastSegmentStart.getTime() + lastSegmentDuration * 1000);
+
+ if (dateTimeObject > lastSegmentEnd) {
+ // Beyond the end of the stream, or our best guess of the end of the stream.
+ return null;
+ }
+
+ if (dateTimeObject > lastSegmentStart) {
+ segment = lastSegment;
+ }
+
+ return {
+ segment: segment,
+ estimatedStart: segment.videoTimingInfo ? segment.videoTimingInfo.transmuxedPresentationStart : Playlist.duration(playlist, playlist.mediaSequence + playlist.segments.indexOf(segment)),
+ // Although, given that all segments have accurate date time objects, the segment
+ // selected should be accurate, unless the video has been transmuxed at some point
+ // (determined by the presence of the videoTimingInfo object), the segment's "player
+ // time" (the start time in the player) can't be considered accurate.
+ type: segment.videoTimingInfo ? 'accurate' : 'estimate'
+ };
+ };
+ /**
+ * Finds a segment that contains the given player time(in seconds).
+ *
+ * @param {Number} time The player time to find a match for
+ * @param {Object} playlist A playlist object to search within
+ */
+
+
+ var findSegmentForPlayerTime = function findSegmentForPlayerTime(time, playlist) {
+ // Assumptions:
+ // - there will always be a segment.duration
+ // - we can start from zero
+ // - segments are in time order
+ if (!playlist || !playlist.segments || playlist.segments.length === 0) {
+ return null;
+ }
+
+ var segmentEnd = 0;
+ var segment = void 0;
+
+ for (var i = 0; i < playlist.segments.length; i++) {
+ segment = playlist.segments[i]; // videoTimingInfo is set after the segment is downloaded and transmuxed, and
+ // should contain the most accurate values we have for the segment's player times.
+ //
+ // Use the accurate transmuxedPresentationEnd value if it is available, otherwise fall
+ // back to an estimate based on the manifest derived (inaccurate) segment.duration, to
+ // calculate an end value.
+
+ segmentEnd = segment.videoTimingInfo ? segment.videoTimingInfo.transmuxedPresentationEnd : segmentEnd + segment.duration;
+
+ if (time <= segmentEnd) {
+ break;
+ }
+ }
+
+ var lastSegment = playlist.segments[playlist.segments.length - 1];
+
+ if (lastSegment.videoTimingInfo && lastSegment.videoTimingInfo.transmuxedPresentationEnd < time) {
+ // The time requested is beyond the stream end.
+ return null;
+ }
+
+ if (time > segmentEnd) {
+ // The time is within or beyond the last segment.
+ //
+ // Check to see if the time is beyond a reasonable guess of the end of the stream.
+ if (time > segmentEnd + lastSegment.duration * SEGMENT_END_FUDGE_PERCENT) {
+ // Technically, because the duration value is only an estimate, the time may still
+ // exist in the last segment, however, there isn't enough information to make even
+ // a reasonable estimate.
+ return null;
+ }
+
+ segment = lastSegment;
+ }
+
+ return {
+ segment: segment,
+ estimatedStart: segment.videoTimingInfo ? segment.videoTimingInfo.transmuxedPresentationStart : segmentEnd - segment.duration,
+ // Because videoTimingInfo is only set after transmux, it is the only way to get
+ // accurate timing values.
+ type: segment.videoTimingInfo ? 'accurate' : 'estimate'
+ };
+ };
+ /**
+ * Gives the offset of the comparisonTimestamp from the programTime timestamp in seconds.
+ * If the offset returned is positive, the programTime occurs after the
+ * comparisonTimestamp.
+ * If the offset is negative, the programTime occurs before the comparisonTimestamp.
+ *
+ * @param {String} comparisonTimeStamp An ISO-8601 timestamp to compare against
+ * @param {String} programTime The programTime as an ISO-8601 string
+ * @return {Number} offset
+ */
+
+
+ var getOffsetFromTimestamp = function getOffsetFromTimestamp(comparisonTimeStamp, programTime) {
+ var segmentDateTime = void 0;
+ var programDateTime = void 0;
+
+ try {
+ segmentDateTime = new Date(comparisonTimeStamp);
+ programDateTime = new Date(programTime);
+ } catch (e) {// TODO handle error
+ }
+
+ var segmentTimeEpoch = segmentDateTime.getTime();
+ var programTimeEpoch = programDateTime.getTime();
+ return (programTimeEpoch - segmentTimeEpoch) / 1000;
+ };
+ /**
+ * Checks that all segments in this playlist have programDateTime tags.
+ *
+ * @param {Object} playlist A playlist object
+ */
+
+
+ var verifyProgramDateTimeTags = function verifyProgramDateTimeTags(playlist) {
+ if (!playlist.segments || playlist.segments.length === 0) {
+ return false;
+ }
+
+ for (var i = 0; i < playlist.segments.length; i++) {
+ var segment = playlist.segments[i];
+
+ if (!segment.dateTimeObject) {
+ return false;
+ }
+ }
+
+ return true;
+ };
+ /**
+ * Returns the programTime of the media given a playlist and a playerTime.
+ * The playlist must have programDateTime tags for a programDateTime tag to be returned.
+ * If the segments containing the time requested have not been buffered yet, an estimate
+ * may be returned to the callback.
+ *
+ * @param {Object} args
+ * @param {Object} args.playlist A playlist object to search within
+ * @param {Number} time A playerTime in seconds
+ * @param {Function} callback(err, programTime)
+ * @returns {String} err.message A detailed error message
+ * @returns {Object} programTime
+ * @returns {Number} programTime.mediaSeconds The streamTime in seconds
+ * @returns {String} programTime.programDateTime The programTime as an ISO-8601 String
+ */
+
+
+ var getProgramTime = function getProgramTime(_ref) {
+ var playlist = _ref.playlist,
+ _ref$time = _ref.time,
+ time = _ref$time === undefined ? undefined : _ref$time,
+ callback = _ref.callback;
+
+ if (!callback) {
+ throw new Error('getProgramTime: callback must be provided');
+ }
+
+ if (!playlist || time === undefined) {
+ return callback({
+ message: 'getProgramTime: playlist and time must be provided'
+ });
+ }
+
+ var matchedSegment = findSegmentForPlayerTime(time, playlist);
+
+ if (!matchedSegment) {
+ return callback({
+ message: 'valid programTime was not found'
+ });
+ }
+
+ if (matchedSegment.type === 'estimate') {
+ return callback({
+ message: 'Accurate programTime could not be determined.' + ' Please seek to e.seekTime and try again',
+ seekTime: matchedSegment.estimatedStart
+ });
+ }
+
+ var programTimeObject = {
+ mediaSeconds: time
+ };
+ var programTime = playerTimeToProgramTime(time, matchedSegment.segment);
+
+ if (programTime) {
+ programTimeObject.programDateTime = programTime.toISOString();
+ }
+
+ return callback(null, programTimeObject);
+ };
+ /**
+ * Seeks in the player to a time that matches the given programTime ISO-8601 string.
+ *
+ * @param {Object} args
+ * @param {String} args.programTime A programTime to seek to as an ISO-8601 String
+ * @param {Object} args.playlist A playlist to look within
+ * @param {Number} args.retryCount The number of times to try for an accurate seek. Default is 2.
+ * @param {Function} args.seekTo A method to perform a seek
+ * @param {Boolean} args.pauseAfterSeek Whether to end in a paused state after seeking. Default is true.
+ * @param {Object} args.tech The tech to seek on
+ * @param {Function} args.callback(err, newTime) A callback to return the new time to
+ * @returns {String} err.message A detailed error message
+ * @returns {Number} newTime The exact time that was seeked to in seconds
+ */
+
+
+ var seekToProgramTime = function seekToProgramTime(_ref2) {
+ var programTime = _ref2.programTime,
+ playlist = _ref2.playlist,
+ _ref2$retryCount = _ref2.retryCount,
+ retryCount = _ref2$retryCount === undefined ? 2 : _ref2$retryCount,
+ seekTo = _ref2.seekTo,
+ _ref2$pauseAfterSeek = _ref2.pauseAfterSeek,
+ pauseAfterSeek = _ref2$pauseAfterSeek === undefined ? true : _ref2$pauseAfterSeek,
+ tech = _ref2.tech,
+ callback = _ref2.callback;
+
+ if (!callback) {
+ throw new Error('seekToProgramTime: callback must be provided');
+ }
+
+ if (typeof programTime === 'undefined' || !playlist || !seekTo) {
+ return callback({
+ message: 'seekToProgramTime: programTime, seekTo and playlist must be provided'
+ });
+ }
+
+ if (!playlist.endList && !tech.hasStarted_) {
+ return callback({
+ message: 'player must be playing a live stream to start buffering'
+ });
+ }
+
+ if (!verifyProgramDateTimeTags(playlist)) {
+ return callback({
+ message: 'programDateTime tags must be provided in the manifest ' + playlist.resolvedUri
+ });
+ }
+
+ var matchedSegment = findSegmentForProgramTime(programTime, playlist); // no match
+
+ if (!matchedSegment) {
+ return callback({
+ message: programTime + ' was not found in the stream'
+ });
+ }
+
+ var segment = matchedSegment.segment;
+ var mediaOffset = getOffsetFromTimestamp(segment.dateTimeObject, programTime);
+
+ if (matchedSegment.type === 'estimate') {
+ // we've run out of retries
+ if (retryCount === 0) {
+ return callback({
+ message: programTime + ' is not buffered yet. Try again'
+ });
+ }
+
+ seekTo(matchedSegment.estimatedStart + mediaOffset);
+ tech.one('seeked', function () {
+ seekToProgramTime({
+ programTime: programTime,
+ playlist: playlist,
+ retryCount: retryCount - 1,
+ seekTo: seekTo,
+ pauseAfterSeek: pauseAfterSeek,
+ tech: tech,
+ callback: callback
+ });
+ });
+ return;
+ } // Since the segment.start value is determined from the buffered end or ending time
+ // of the prior segment, the seekToTime doesn't need to account for any transmuxer
+ // modifications.
+
+
+ var seekToTime = segment.start + mediaOffset;
+
+ var seekedCallback = function seekedCallback() {
+ return callback(null, tech.currentTime());
+ }; // listen for seeked event
+
+
+ tech.one('seeked', seekedCallback); // pause before seeking as video.js will restore this state
+
+ if (pauseAfterSeek) {
+ tech.pause();
+ }
+
+ seekTo(seekToTime);
+ };
+ /**
+ * ranges
+ *
+ * Utilities for working with TimeRanges.
+ *
+ */
+ // Fudge factor to account for TimeRanges rounding
+
+
+ var TIME_FUDGE_FACTOR = 1 / 30; // Comparisons between time values such as current time and the end of the buffered range
+ // can be misleading because of precision differences or when the current media has poorly
+ // aligned audio and video, which can cause values to be slightly off from what you would
+ // expect. This value is what we consider to be safe to use in such comparisons to account
+ // for these scenarios.
+
+ var SAFE_TIME_DELTA = TIME_FUDGE_FACTOR * 3;
+
+ var filterRanges = function filterRanges(timeRanges, predicate) {
+ var results = [];
+ var i = void 0;
+
+ if (timeRanges && timeRanges.length) {
+ // Search for ranges that match the predicate
+ for (i = 0; i < timeRanges.length; i++) {
+ if (predicate(timeRanges.start(i), timeRanges.end(i))) {
+ results.push([timeRanges.start(i), timeRanges.end(i)]);
+ }
+ }
+ }
+
+ return videojs$1.createTimeRanges(results);
+ };
+ /**
+ * Attempts to find the buffered TimeRange that contains the specified
+ * time.
+ * @param {TimeRanges} buffered - the TimeRanges object to query
+ * @param {number} time - the time to filter on.
+ * @returns {TimeRanges} a new TimeRanges object
+ */
+
+
+ var findRange = function findRange(buffered, time) {
+ return filterRanges(buffered, function (start, end) {
+ return start - SAFE_TIME_DELTA <= time && end + SAFE_TIME_DELTA >= time;
+ });
+ };
+ /**
+ * Returns the TimeRanges that begin later than the specified time.
+ * @param {TimeRanges} timeRanges - the TimeRanges object to query
+ * @param {number} time - the time to filter on.
+ * @returns {TimeRanges} a new TimeRanges object.
+ */
+
+
+ var findNextRange = function findNextRange(timeRanges, time) {
+ return filterRanges(timeRanges, function (start) {
+ return start - TIME_FUDGE_FACTOR >= time;
+ });
+ };
+ /**
+ * Returns gaps within a list of TimeRanges
+ * @param {TimeRanges} buffered - the TimeRanges object
+ * @return {TimeRanges} a TimeRanges object of gaps
+ */
+
+
+ var findGaps = function findGaps(buffered) {
+ if (buffered.length < 2) {
+ return videojs$1.createTimeRanges();
+ }
+
+ var ranges = [];
+
+ for (var i = 1; i < buffered.length; i++) {
+ var start = buffered.end(i - 1);
+ var end = buffered.start(i);
+ ranges.push([start, end]);
+ }
+
+ return videojs$1.createTimeRanges(ranges);
+ };
+ /**
+ * Gets a human readable string for a TimeRange
+ *
+ * @param {TimeRange} range
+ * @returns {String} a human readable string
+ */
+
+
+ var printableRange = function printableRange(range) {
+ var strArr = [];
+
+ if (!range || !range.length) {
+ return '';
+ }
+
+ for (var i = 0; i < range.length; i++) {
+ strArr.push(range.start(i) + ' => ' + range.end(i));
+ }
+
+ return strArr.join(', ');
+ };
+ /**
+ * Calculates the amount of time left in seconds until the player hits the end of the
+ * buffer and causes a rebuffer
+ *
+ * @param {TimeRange} buffered
+ * The state of the buffer
+ * @param {Numnber} currentTime
+ * The current time of the player
+ * @param {Number} playbackRate
+ * The current playback rate of the player. Defaults to 1.
+ * @return {Number}
+ * Time until the player has to start rebuffering in seconds.
+ * @function timeUntilRebuffer
+ */
+
+
+ var timeUntilRebuffer = function timeUntilRebuffer(buffered, currentTime) {
+ var playbackRate = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 1;
+ var bufferedEnd = buffered.length ? buffered.end(buffered.length - 1) : 0;
+ return (bufferedEnd - currentTime) / playbackRate;
+ };
+ /**
+ * Converts a TimeRanges object into an array representation
+ * @param {TimeRanges} timeRanges
+ * @returns {Array}
+ */
+
+
+ var timeRangesToArray = function timeRangesToArray(timeRanges) {
+ var timeRangesList = [];
+
+ for (var i = 0; i < timeRanges.length; i++) {
+ timeRangesList.push({
+ start: timeRanges.start(i),
+ end: timeRanges.end(i)
+ });
+ }
+
+ return timeRangesList;
+ };
+ /**
+ * @file create-text-tracks-if-necessary.js
+ */
+
+ /**
+ * Create text tracks on video.js if they exist on a segment.
+ *
+ * @param {Object} sourceBuffer the VSB or FSB
+ * @param {Object} mediaSource the HTML media source
+ * @param {Object} segment the segment that may contain the text track
+ * @private
+ */
+
+
+ var createTextTracksIfNecessary = function createTextTracksIfNecessary(sourceBuffer, mediaSource, segment) {
+ var player = mediaSource.player_; // create an in-band caption track if one is present in the segment
+
+ if (segment.captions && segment.captions.length) {
+ if (!sourceBuffer.inbandTextTracks_) {
+ sourceBuffer.inbandTextTracks_ = {};
+ }
+
+ for (var trackId in segment.captionStreams) {
+ if (!sourceBuffer.inbandTextTracks_[trackId]) {
+ player.tech_.trigger({
+ type: 'usage',
+ name: 'hls-608'
+ });
+ var track = player.textTracks().getTrackById(trackId);
+
+ if (track) {
+ // Resuse an existing track with a CC# id because this was
+ // very likely created by videojs-contrib-hls from information
+ // in the m3u8 for us to use
+ sourceBuffer.inbandTextTracks_[trackId] = track;
+ } else {
+ // Otherwise, create a track with the default `CC#` label and
+ // without a language
+ sourceBuffer.inbandTextTracks_[trackId] = player.addRemoteTextTrack({
+ kind: 'captions',
+ id: trackId,
+ label: trackId
+ }, false).track;
+ }
+ }
+ }
+ }
+
+ if (segment.metadata && segment.metadata.length && !sourceBuffer.metadataTrack_) {
+ sourceBuffer.metadataTrack_ = player.addRemoteTextTrack({
+ kind: 'metadata',
+ label: 'Timed Metadata'
+ }, false).track;
+ sourceBuffer.metadataTrack_.inBandMetadataTrackDispatchType = segment.metadata.dispatchType;
+ }
+ };
+ /**
+ * @file remove-cues-from-track.js
+ */
+
+ /**
+ * Remove cues from a track on video.js.
+ *
+ * @param {Double} start start of where we should remove the cue
+ * @param {Double} end end of where the we should remove the cue
+ * @param {Object} track the text track to remove the cues from
+ * @private
+ */
+
+
+ var removeCuesFromTrack = function removeCuesFromTrack(start, end, track) {
+ var i = void 0;
+ var cue = void 0;
+
+ if (!track) {
+ return;
+ }
+
+ if (!track.cues) {
+ return;
+ }
+
+ i = track.cues.length;
+
+ while (i--) {
+ cue = track.cues[i]; // Remove any overlapping cue
+
+ if (cue.startTime <= end && cue.endTime >= start) {
+ track.removeCue(cue);
+ }
+ }
+ };
+ /**
+ * @file add-text-track-data.js
+ */
+
+ /**
+ * Define properties on a cue for backwards compatability,
+ * but warn the user that the way that they are using it
+ * is depricated and will be removed at a later date.
+ *
+ * @param {Cue} cue the cue to add the properties on
+ * @private
+ */
+
+
+ var deprecateOldCue = function deprecateOldCue(cue) {
+ Object.defineProperties(cue.frame, {
+ id: {
+ get: function get() {
+ videojs$1.log.warn('cue.frame.id is deprecated. Use cue.value.key instead.');
+ return cue.value.key;
+ }
+ },
+ value: {
+ get: function get() {
+ videojs$1.log.warn('cue.frame.value is deprecated. Use cue.value.data instead.');
+ return cue.value.data;
+ }
+ },
+ privateData: {
+ get: function get() {
+ videojs$1.log.warn('cue.frame.privateData is deprecated. Use cue.value.data instead.');
+ return cue.value.data;
+ }
+ }
+ });
+ };
+
+ var durationOfVideo = function durationOfVideo(duration) {
+ var dur = void 0;
+
+ if (isNaN(duration) || Math.abs(duration) === Infinity) {
+ dur = Number.MAX_VALUE;
+ } else {
+ dur = duration;
+ }
+
+ return dur;
+ };
+ /**
+ * Add text track data to a source handler given the captions and
+ * metadata from the buffer.
+ *
+ * @param {Object} sourceHandler the virtual source buffer
+ * @param {Array} captionArray an array of caption data
+ * @param {Array} metadataArray an array of meta data
+ * @private
+ */
+
+
+ var addTextTrackData = function addTextTrackData(sourceHandler, captionArray, metadataArray) {
+ var Cue = window$3.WebKitDataCue || window$3.VTTCue;
+
+ if (captionArray) {
+ captionArray.forEach(function (caption) {
+ var track = caption.stream;
+ this.inbandTextTracks_[track].addCue(new Cue(caption.startTime + this.timestampOffset, caption.endTime + this.timestampOffset, caption.text));
+ }, sourceHandler);
+ }
+
+ if (metadataArray) {
+ var videoDuration = durationOfVideo(sourceHandler.mediaSource_.duration);
+ metadataArray.forEach(function (metadata) {
+ var time = metadata.cueTime + this.timestampOffset; // if time isn't a finite number between 0 and Infinity, like NaN,
+ // ignore this bit of metadata.
+ // This likely occurs when you have an non-timed ID3 tag like TIT2,
+ // which is the "Title/Songname/Content description" frame
+
+ if (typeof time !== 'number' || window$3.isNaN(time) || time < 0 || !(time < Infinity)) {
+ return;
+ }
+
+ metadata.frames.forEach(function (frame) {
+ var cue = new Cue(time, time, frame.value || frame.url || frame.data || '');
+ cue.frame = frame;
+ cue.value = frame;
+ deprecateOldCue(cue);
+ this.metadataTrack_.addCue(cue);
+ }, this);
+ }, sourceHandler); // Updating the metadeta cues so that
+ // the endTime of each cue is the startTime of the next cue
+ // the endTime of last cue is the duration of the video
+
+ if (sourceHandler.metadataTrack_ && sourceHandler.metadataTrack_.cues && sourceHandler.metadataTrack_.cues.length) {
+ var cues = sourceHandler.metadataTrack_.cues;
+ var cuesArray = []; // Create a copy of the TextTrackCueList...
+ // ...disregarding cues with a falsey value
+
+ for (var i = 0; i < cues.length; i++) {
+ if (cues[i]) {
+ cuesArray.push(cues[i]);
+ }
+ } // Group cues by their startTime value
+
+
+ var cuesGroupedByStartTime = cuesArray.reduce(function (obj, cue) {
+ var timeSlot = obj[cue.startTime] || [];
+ timeSlot.push(cue);
+ obj[cue.startTime] = timeSlot;
+ return obj;
+ }, {}); // Sort startTimes by ascending order
+
+ var sortedStartTimes = Object.keys(cuesGroupedByStartTime).sort(function (a, b) {
+ return Number(a) - Number(b);
+ }); // Map each cue group's endTime to the next group's startTime
+
+ sortedStartTimes.forEach(function (startTime, idx) {
+ var cueGroup = cuesGroupedByStartTime[startTime];
+ var nextTime = Number(sortedStartTimes[idx + 1]) || videoDuration; // Map each cue's endTime the next group's startTime
+
+ cueGroup.forEach(function (cue) {
+ cue.endTime = nextTime;
+ });
+ });
+ }
+ }
+ };
+
+ var win = typeof window !== 'undefined' ? window : {},
+ TARGET = typeof Symbol === 'undefined' ? '__target' : Symbol(),
+ SCRIPT_TYPE = 'application/javascript',
+ BlobBuilder = win.BlobBuilder || win.WebKitBlobBuilder || win.MozBlobBuilder || win.MSBlobBuilder,
+ URL = win.URL || win.webkitURL || URL && URL.msURL,
+ Worker = win.Worker;
+ /**
+ * Returns a wrapper around Web Worker code that is constructible.
+ *
+ * @function shimWorker
+ *
+ * @param { String } filename The name of the file
+ * @param { Function } fn Function wrapping the code of the worker
+ */
+
+ function shimWorker(filename, fn) {
+ return function ShimWorker(forceFallback) {
+ var o = this;
+
+ if (!fn) {
+ return new Worker(filename);
+ } else if (Worker && !forceFallback) {
+ // Convert the function's inner code to a string to construct the worker
+ var source = fn.toString().replace(/^function.+?{/, '').slice(0, -1),
+ objURL = createSourceObject(source);
+ this[TARGET] = new Worker(objURL);
+ wrapTerminate(this[TARGET], objURL);
+ return this[TARGET];
+ } else {
+ var selfShim = {
+ postMessage: function postMessage(m) {
+ if (o.onmessage) {
+ setTimeout(function () {
+ o.onmessage({
+ data: m,
+ target: selfShim
+ });
+ });
+ }
+ }
+ };
+ fn.call(selfShim);
+
+ this.postMessage = function (m) {
+ setTimeout(function () {
+ selfShim.onmessage({
+ data: m,
+ target: o
+ });
+ });
+ };
+
+ this.isThisThread = true;
+ }
+ };
+ } // Test Worker capabilities
+
+
+ if (Worker) {
+ var testWorker,
+ objURL = createSourceObject('self.onmessage = function () {}'),
+ testArray = new Uint8Array(1);
+
+ try {
+ testWorker = new Worker(objURL); // Native browser on some Samsung devices throws for transferables, let's detect it
+
+ testWorker.postMessage(testArray, [testArray.buffer]);
+ } catch (e) {
+ Worker = null;
+ } finally {
+ URL.revokeObjectURL(objURL);
+
+ if (testWorker) {
+ testWorker.terminate();
+ }
+ }
+ }
+
+ function createSourceObject(str) {
+ try {
+ return URL.createObjectURL(new Blob([str], {
+ type: SCRIPT_TYPE
+ }));
+ } catch (e) {
+ var blob = new BlobBuilder();
+ blob.append(str);
+ return URL.createObjectURL(blob.getBlob(type));
+ }
+ }
+
+ function wrapTerminate(worker, objURL) {
+ if (!worker || !objURL) return;
+ var term = worker.terminate;
+ worker.objURL = objURL;
+
+ worker.terminate = function () {
+ if (worker.objURL) URL.revokeObjectURL(worker.objURL);
+ term.call(worker);
+ };
+ }
+
+ var TransmuxWorker = new shimWorker("./transmuxer-worker.worker.js", function (window, document$$1) {
+ var self = this;
+
+ var transmuxerWorker = function () {
+ /**
+ * mux.js
+ *
+ * Copyright (c) Brightcove
+ * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE
+ *
+ * A lightweight readable stream implemention that handles event dispatching.
+ * Objects that inherit from streams should call init in their constructors.
+ */
+ var Stream = function Stream() {
+ this.init = function () {
+ var listeners = {};
+ /**
+ * Add a listener for a specified event type.
+ * @param type {string} the event name
+ * @param listener {function} the callback to be invoked when an event of
+ * the specified type occurs
+ */
+
+ this.on = function (type, listener) {
+ if (!listeners[type]) {
+ listeners[type] = [];
+ }
+
+ listeners[type] = listeners[type].concat(listener);
+ };
+ /**
+ * Remove a listener for a specified event type.
+ * @param type {string} the event name
+ * @param listener {function} a function previously registered for this
+ * type of event through `on`
+ */
+
+
+ this.off = function (type, listener) {
+ var index;
+
+ if (!listeners[type]) {
+ return false;
+ }
+
+ index = listeners[type].indexOf(listener);
+ listeners[type] = listeners[type].slice();
+ listeners[type].splice(index, 1);
+ return index > -1;
+ };
+ /**
+ * Trigger an event of the specified type on this stream. Any additional
+ * arguments to this function are passed as parameters to event listeners.
+ * @param type {string} the event name
+ */
+
+
+ this.trigger = function (type) {
+ var callbacks, i, length, args;
+ callbacks = listeners[type];
+
+ if (!callbacks) {
+ return;
+ } // Slicing the arguments on every invocation of this method
+ // can add a significant amount of overhead. Avoid the
+ // intermediate object creation for the common case of a
+ // single callback argument
+
+
+ if (arguments.length === 2) {
+ length = callbacks.length;
+
+ for (i = 0; i < length; ++i) {
+ callbacks[i].call(this, arguments[1]);
+ }
+ } else {
+ args = [];
+ i = arguments.length;
+
+ for (i = 1; i < arguments.length; ++i) {
+ args.push(arguments[i]);
+ }
+
+ length = callbacks.length;
+
+ for (i = 0; i < length; ++i) {
+ callbacks[i].apply(this, args);
+ }
+ }
+ };
+ /**
+ * Destroys the stream and cleans up.
+ */
+
+
+ this.dispose = function () {
+ listeners = {};
+ };
+ };
+ };
+ /**
+ * Forwards all `data` events on this stream to the destination stream. The
+ * destination stream should provide a method `push` to receive the data
+ * events as they arrive.
+ * @param destination {stream} the stream that will receive all `data` events
+ * @param autoFlush {boolean} if false, we will not call `flush` on the destination
+ * when the current stream emits a 'done' event
+ * @see http://nodejs.org/api/stream.html#stream_readable_pipe_destination_options
+ */
+
+
+ Stream.prototype.pipe = function (destination) {
+ this.on('data', function (data) {
+ destination.push(data);
+ });
+ this.on('done', function (flushSource) {
+ destination.flush(flushSource);
+ });
+ this.on('partialdone', function (flushSource) {
+ destination.partialFlush(flushSource);
+ });
+ this.on('endedtimeline', function (flushSource) {
+ destination.endTimeline(flushSource);
+ });
+ this.on('reset', function (flushSource) {
+ destination.reset(flushSource);
+ });
+ return destination;
+ }; // Default stream functions that are expected to be overridden to perform
+ // actual work. These are provided by the prototype as a sort of no-op
+ // implementation so that we don't have to check for their existence in the
+ // `pipe` function above.
+
+
+ Stream.prototype.push = function (data) {
+ this.trigger('data', data);
+ };
+
+ Stream.prototype.flush = function (flushSource) {
+ this.trigger('done', flushSource);
+ };
+
+ Stream.prototype.partialFlush = function (flushSource) {
+ this.trigger('partialdone', flushSource);
+ };
+
+ Stream.prototype.endTimeline = function (flushSource) {
+ this.trigger('endedtimeline', flushSource);
+ };
+
+ Stream.prototype.reset = function (flushSource) {
+ this.trigger('reset', flushSource);
+ };
+
+ var stream = Stream;
+ /**
+ * mux.js
+ *
+ * Copyright (c) Brightcove
+ * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE
+ *
+ * Functions that generate fragmented MP4s suitable for use with Media
+ * Source Extensions.
+ */
+
+ var UINT32_MAX = Math.pow(2, 32) - 1;
+ var box, dinf, esds, ftyp, mdat, mfhd, minf, moof, moov, mvex, mvhd, trak, tkhd, mdia, mdhd, hdlr, sdtp, stbl, stsd, traf, trex, trun, types, MAJOR_BRAND, MINOR_VERSION, AVC1_BRAND, VIDEO_HDLR, AUDIO_HDLR, HDLR_TYPES, VMHD, SMHD, DREF, STCO, STSC, STSZ, STTS; // pre-calculate constants
+
+ (function () {
+ var i;
+ types = {
+ avc1: [],
+ // codingname
+ avcC: [],
+ btrt: [],
+ dinf: [],
+ dref: [],
+ esds: [],
+ ftyp: [],
+ hdlr: [],
+ mdat: [],
+ mdhd: [],
+ mdia: [],
+ mfhd: [],
+ minf: [],
+ moof: [],
+ moov: [],
+ mp4a: [],
+ // codingname
+ mvex: [],
+ mvhd: [],
+ pasp: [],
+ sdtp: [],
+ smhd: [],
+ stbl: [],
+ stco: [],
+ stsc: [],
+ stsd: [],
+ stsz: [],
+ stts: [],
+ styp: [],
+ tfdt: [],
+ tfhd: [],
+ traf: [],
+ trak: [],
+ trun: [],
+ trex: [],
+ tkhd: [],
+ vmhd: []
+ }; // In environments where Uint8Array is undefined (e.g., IE8), skip set up so that we
+ // don't throw an error
+
+ if (typeof Uint8Array === 'undefined') {
+ return;
+ }
+
+ for (i in types) {
+ if (types.hasOwnProperty(i)) {
+ types[i] = [i.charCodeAt(0), i.charCodeAt(1), i.charCodeAt(2), i.charCodeAt(3)];
+ }
+ }
+
+ MAJOR_BRAND = new Uint8Array(['i'.charCodeAt(0), 's'.charCodeAt(0), 'o'.charCodeAt(0), 'm'.charCodeAt(0)]);
+ AVC1_BRAND = new Uint8Array(['a'.charCodeAt(0), 'v'.charCodeAt(0), 'c'.charCodeAt(0), '1'.charCodeAt(0)]);
+ MINOR_VERSION = new Uint8Array([0, 0, 0, 1]);
+ VIDEO_HDLR = new Uint8Array([0x00, // version 0
+ 0x00, 0x00, 0x00, // flags
+ 0x00, 0x00, 0x00, 0x00, // pre_defined
+ 0x76, 0x69, 0x64, 0x65, // handler_type: 'vide'
+ 0x00, 0x00, 0x00, 0x00, // reserved
+ 0x00, 0x00, 0x00, 0x00, // reserved
+ 0x00, 0x00, 0x00, 0x00, // reserved
+ 0x56, 0x69, 0x64, 0x65, 0x6f, 0x48, 0x61, 0x6e, 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'VideoHandler'
+ ]);
+ AUDIO_HDLR = new Uint8Array([0x00, // version 0
+ 0x00, 0x00, 0x00, // flags
+ 0x00, 0x00, 0x00, 0x00, // pre_defined
+ 0x73, 0x6f, 0x75, 0x6e, // handler_type: 'soun'
+ 0x00, 0x00, 0x00, 0x00, // reserved
+ 0x00, 0x00, 0x00, 0x00, // reserved
+ 0x00, 0x00, 0x00, 0x00, // reserved
+ 0x53, 0x6f, 0x75, 0x6e, 0x64, 0x48, 0x61, 0x6e, 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'SoundHandler'
+ ]);
+ HDLR_TYPES = {
+ video: VIDEO_HDLR,
+ audio: AUDIO_HDLR
+ };
+ DREF = new Uint8Array([0x00, // version 0
+ 0x00, 0x00, 0x00, // flags
+ 0x00, 0x00, 0x00, 0x01, // entry_count
+ 0x00, 0x00, 0x00, 0x0c, // entry_size
+ 0x75, 0x72, 0x6c, 0x20, // 'url' type
+ 0x00, // version 0
+ 0x00, 0x00, 0x01 // entry_flags
+ ]);
+ SMHD = new Uint8Array([0x00, // version
+ 0x00, 0x00, 0x00, // flags
+ 0x00, 0x00, // balance, 0 means centered
+ 0x00, 0x00 // reserved
+ ]);
+ STCO = new Uint8Array([0x00, // version
+ 0x00, 0x00, 0x00, // flags
+ 0x00, 0x00, 0x00, 0x00 // entry_count
+ ]);
+ STSC = STCO;
+ STSZ = new Uint8Array([0x00, // version
+ 0x00, 0x00, 0x00, // flags
+ 0x00, 0x00, 0x00, 0x00, // sample_size
+ 0x00, 0x00, 0x00, 0x00 // sample_count
+ ]);
+ STTS = STCO;
+ VMHD = new Uint8Array([0x00, // version
+ 0x00, 0x00, 0x01, // flags
+ 0x00, 0x00, // graphicsmode
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 // opcolor
+ ]);
+ })();
+
+ box = function box(type) {
+ var payload = [],
+ size = 0,
+ i,
+ result,
+ view;
+
+ for (i = 1; i < arguments.length; i++) {
+ payload.push(arguments[i]);
+ }
+
+ i = payload.length; // calculate the total size we need to allocate
+
+ while (i--) {
+ size += payload[i].byteLength;
+ }
+
+ result = new Uint8Array(size + 8);
+ view = new DataView(result.buffer, result.byteOffset, result.byteLength);
+ view.setUint32(0, result.byteLength);
+ result.set(type, 4); // copy the payload into the result
+
+ for (i = 0, size = 8; i < payload.length; i++) {
+ result.set(payload[i], size);
+ size += payload[i].byteLength;
+ }
+
+ return result;
+ };
+
+ dinf = function dinf() {
+ return box(types.dinf, box(types.dref, DREF));
+ };
+
+ esds = function esds(track) {
+ return box(types.esds, new Uint8Array([0x00, // version
+ 0x00, 0x00, 0x00, // flags
+ // ES_Descriptor
+ 0x03, // tag, ES_DescrTag
+ 0x19, // length
+ 0x00, 0x00, // ES_ID
+ 0x00, // streamDependenceFlag, URL_flag, reserved, streamPriority
+ // DecoderConfigDescriptor
+ 0x04, // tag, DecoderConfigDescrTag
+ 0x11, // length
+ 0x40, // object type
+ 0x15, // streamType
+ 0x00, 0x06, 0x00, // bufferSizeDB
+ 0x00, 0x00, 0xda, 0xc0, // maxBitrate
+ 0x00, 0x00, 0xda, 0xc0, // avgBitrate
+ // DecoderSpecificInfo
+ 0x05, // tag, DecoderSpecificInfoTag
+ 0x02, // length
+ // ISO/IEC 14496-3, AudioSpecificConfig
+ // for samplingFrequencyIndex see ISO/IEC 13818-7:2006, 8.1.3.2.2, Table 35
+ track.audioobjecttype << 3 | track.samplingfrequencyindex >>> 1, track.samplingfrequencyindex << 7 | track.channelcount << 3, 0x06, 0x01, 0x02 // GASpecificConfig
+ ]));
+ };
+
+ ftyp = function ftyp() {
+ return box(types.ftyp, MAJOR_BRAND, MINOR_VERSION, MAJOR_BRAND, AVC1_BRAND);
+ };
+
+ hdlr = function hdlr(type) {
+ return box(types.hdlr, HDLR_TYPES[type]);
+ };
+
+ mdat = function mdat(data) {
+ return box(types.mdat, data);
+ };
+
+ mdhd = function mdhd(track) {
+ var result = new Uint8Array([0x00, // version 0
+ 0x00, 0x00, 0x00, // flags
+ 0x00, 0x00, 0x00, 0x02, // creation_time
+ 0x00, 0x00, 0x00, 0x03, // modification_time
+ 0x00, 0x01, 0x5f, 0x90, // timescale, 90,000 "ticks" per second
+ track.duration >>> 24 & 0xFF, track.duration >>> 16 & 0xFF, track.duration >>> 8 & 0xFF, track.duration & 0xFF, // duration
+ 0x55, 0xc4, // 'und' language (undetermined)
+ 0x00, 0x00]); // Use the sample rate from the track metadata, when it is
+ // defined. The sample rate can be parsed out of an ADTS header, for
+ // instance.
+
+ if (track.samplerate) {
+ result[12] = track.samplerate >>> 24 & 0xFF;
+ result[13] = track.samplerate >>> 16 & 0xFF;
+ result[14] = track.samplerate >>> 8 & 0xFF;
+ result[15] = track.samplerate & 0xFF;
+ }
+
+ return box(types.mdhd, result);
+ };
+
+ mdia = function mdia(track) {
+ return box(types.mdia, mdhd(track), hdlr(track.type), minf(track));
+ };
+
+ mfhd = function mfhd(sequenceNumber) {
+ return box(types.mfhd, new Uint8Array([0x00, 0x00, 0x00, 0x00, // flags
+ (sequenceNumber & 0xFF000000) >> 24, (sequenceNumber & 0xFF0000) >> 16, (sequenceNumber & 0xFF00) >> 8, sequenceNumber & 0xFF // sequence_number
+ ]));
+ };
+
+ minf = function minf(track) {
+ return box(types.minf, track.type === 'video' ? box(types.vmhd, VMHD) : box(types.smhd, SMHD), dinf(), stbl(track));
+ };
+
+ moof = function moof(sequenceNumber, tracks) {
+ var trackFragments = [],
+ i = tracks.length; // build traf boxes for each track fragment
+
+ while (i--) {
+ trackFragments[i] = traf(tracks[i]);
+ }
+
+ return box.apply(null, [types.moof, mfhd(sequenceNumber)].concat(trackFragments));
+ };
+ /**
+ * Returns a movie box.
+ * @param tracks {array} the tracks associated with this movie
+ * @see ISO/IEC 14496-12:2012(E), section 8.2.1
+ */
+
+
+ moov = function moov(tracks) {
+ var i = tracks.length,
+ boxes = [];
+
+ while (i--) {
+ boxes[i] = trak(tracks[i]);
+ }
+
+ return box.apply(null, [types.moov, mvhd(0xffffffff)].concat(boxes).concat(mvex(tracks)));
+ };
+
+ mvex = function mvex(tracks) {
+ var i = tracks.length,
+ boxes = [];
+
+ while (i--) {
+ boxes[i] = trex(tracks[i]);
+ }
+
+ return box.apply(null, [types.mvex].concat(boxes));
+ };
+
+ mvhd = function mvhd(duration) {
+ var bytes = new Uint8Array([0x00, // version 0
+ 0x00, 0x00, 0x00, // flags
+ 0x00, 0x00, 0x00, 0x01, // creation_time
+ 0x00, 0x00, 0x00, 0x02, // modification_time
+ 0x00, 0x01, 0x5f, 0x90, // timescale, 90,000 "ticks" per second
+ (duration & 0xFF000000) >> 24, (duration & 0xFF0000) >> 16, (duration & 0xFF00) >> 8, duration & 0xFF, // duration
+ 0x00, 0x01, 0x00, 0x00, // 1.0 rate
+ 0x01, 0x00, // 1.0 volume
+ 0x00, 0x00, // reserved
+ 0x00, 0x00, 0x00, 0x00, // reserved
+ 0x00, 0x00, 0x00, 0x00, // reserved
+ 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // pre_defined
+ 0xff, 0xff, 0xff, 0xff // next_track_ID
+ ]);
+ return box(types.mvhd, bytes);
+ };
+
+ sdtp = function sdtp(track) {
+ var samples = track.samples || [],
+ bytes = new Uint8Array(4 + samples.length),
+ flags,
+ i; // leave the full box header (4 bytes) all zero
+ // write the sample table
+
+ for (i = 0; i < samples.length; i++) {
+ flags = samples[i].flags;
+ bytes[i + 4] = flags.dependsOn << 4 | flags.isDependedOn << 2 | flags.hasRedundancy;
+ }
+
+ return box(types.sdtp, bytes);
+ };
+
+ stbl = function stbl(track) {
+ return box(types.stbl, stsd(track), box(types.stts, STTS), box(types.stsc, STSC), box(types.stsz, STSZ), box(types.stco, STCO));
+ };
+
+ (function () {
+ var videoSample, audioSample;
+
+ stsd = function stsd(track) {
+ return box(types.stsd, new Uint8Array([0x00, // version 0
+ 0x00, 0x00, 0x00, // flags
+ 0x00, 0x00, 0x00, 0x01]), track.type === 'video' ? videoSample(track) : audioSample(track));
+ };
+
+ videoSample = function videoSample(track) {
+ var sps = track.sps || [],
+ pps = track.pps || [],
+ sequenceParameterSets = [],
+ pictureParameterSets = [],
+ i,
+ avc1Box; // assemble the SPSs
+
+ for (i = 0; i < sps.length; i++) {
+ sequenceParameterSets.push((sps[i].byteLength & 0xFF00) >>> 8);
+ sequenceParameterSets.push(sps[i].byteLength & 0xFF); // sequenceParameterSetLength
+
+ sequenceParameterSets = sequenceParameterSets.concat(Array.prototype.slice.call(sps[i])); // SPS
+ } // assemble the PPSs
+
+
+ for (i = 0; i < pps.length; i++) {
+ pictureParameterSets.push((pps[i].byteLength & 0xFF00) >>> 8);
+ pictureParameterSets.push(pps[i].byteLength & 0xFF);
+ pictureParameterSets = pictureParameterSets.concat(Array.prototype.slice.call(pps[i]));
+ }
+
+ avc1Box = [types.avc1, new Uint8Array([0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved
+ 0x00, 0x01, // data_reference_index
+ 0x00, 0x00, // pre_defined
+ 0x00, 0x00, // reserved
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // pre_defined
+ (track.width & 0xff00) >> 8, track.width & 0xff, // width
+ (track.height & 0xff00) >> 8, track.height & 0xff, // height
+ 0x00, 0x48, 0x00, 0x00, // horizresolution
+ 0x00, 0x48, 0x00, 0x00, // vertresolution
+ 0x00, 0x00, 0x00, 0x00, // reserved
+ 0x00, 0x01, // frame_count
+ 0x13, 0x76, 0x69, 0x64, 0x65, 0x6f, 0x6a, 0x73, 0x2d, 0x63, 0x6f, 0x6e, 0x74, 0x72, 0x69, 0x62, 0x2d, 0x68, 0x6c, 0x73, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // compressorname
+ 0x00, 0x18, // depth = 24
+ 0x11, 0x11 // pre_defined = -1
+ ]), box(types.avcC, new Uint8Array([0x01, // configurationVersion
+ track.profileIdc, // AVCProfileIndication
+ track.profileCompatibility, // profile_compatibility
+ track.levelIdc, // AVCLevelIndication
+ 0xff // lengthSizeMinusOne, hard-coded to 4 bytes
+ ].concat([sps.length], // numOfSequenceParameterSets
+ sequenceParameterSets, // "SPS"
+ [pps.length], // numOfPictureParameterSets
+ pictureParameterSets // "PPS"
+ ))), box(types.btrt, new Uint8Array([0x00, 0x1c, 0x9c, 0x80, // bufferSizeDB
+ 0x00, 0x2d, 0xc6, 0xc0, // maxBitrate
+ 0x00, 0x2d, 0xc6, 0xc0 // avgBitrate
+ ]))];
+
+ if (track.sarRatio) {
+ var hSpacing = track.sarRatio[0],
+ vSpacing = track.sarRatio[1];
+ avc1Box.push(box(types.pasp, new Uint8Array([(hSpacing & 0xFF000000) >> 24, (hSpacing & 0xFF0000) >> 16, (hSpacing & 0xFF00) >> 8, hSpacing & 0xFF, (vSpacing & 0xFF000000) >> 24, (vSpacing & 0xFF0000) >> 16, (vSpacing & 0xFF00) >> 8, vSpacing & 0xFF])));
+ }
+
+ return box.apply(null, avc1Box);
+ };
+
+ audioSample = function audioSample(track) {
+ return box(types.mp4a, new Uint8Array([// SampleEntry, ISO/IEC 14496-12
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved
+ 0x00, 0x01, // data_reference_index
+ // AudioSampleEntry, ISO/IEC 14496-12
+ 0x00, 0x00, 0x00, 0x00, // reserved
+ 0x00, 0x00, 0x00, 0x00, // reserved
+ (track.channelcount & 0xff00) >> 8, track.channelcount & 0xff, // channelcount
+ (track.samplesize & 0xff00) >> 8, track.samplesize & 0xff, // samplesize
+ 0x00, 0x00, // pre_defined
+ 0x00, 0x00, // reserved
+ (track.samplerate & 0xff00) >> 8, track.samplerate & 0xff, 0x00, 0x00 // samplerate, 16.16
+ // MP4AudioSampleEntry, ISO/IEC 14496-14
+ ]), esds(track));
+ };
+ })();
+
+ tkhd = function tkhd(track) {
+ var result = new Uint8Array([0x00, // version 0
+ 0x00, 0x00, 0x07, // flags
+ 0x00, 0x00, 0x00, 0x00, // creation_time
+ 0x00, 0x00, 0x00, 0x00, // modification_time
+ (track.id & 0xFF000000) >> 24, (track.id & 0xFF0000) >> 16, (track.id & 0xFF00) >> 8, track.id & 0xFF, // track_ID
+ 0x00, 0x00, 0x00, 0x00, // reserved
+ (track.duration & 0xFF000000) >> 24, (track.duration & 0xFF0000) >> 16, (track.duration & 0xFF00) >> 8, track.duration & 0xFF, // duration
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved
+ 0x00, 0x00, // layer
+ 0x00, 0x00, // alternate_group
+ 0x01, 0x00, // non-audio track volume
+ 0x00, 0x00, // reserved
+ 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix
+ (track.width & 0xFF00) >> 8, track.width & 0xFF, 0x00, 0x00, // width
+ (track.height & 0xFF00) >> 8, track.height & 0xFF, 0x00, 0x00 // height
+ ]);
+ return box(types.tkhd, result);
+ };
+ /**
+ * Generate a track fragment (traf) box. A traf box collects metadata
+ * about tracks in a movie fragment (moof) box.
+ */
+
+
+ traf = function traf(track) {
+ var trackFragmentHeader, trackFragmentDecodeTime, trackFragmentRun, sampleDependencyTable, dataOffset, upperWordBaseMediaDecodeTime, lowerWordBaseMediaDecodeTime;
+ trackFragmentHeader = box(types.tfhd, new Uint8Array([0x00, // version 0
+ 0x00, 0x00, 0x3a, // flags
+ (track.id & 0xFF000000) >> 24, (track.id & 0xFF0000) >> 16, (track.id & 0xFF00) >> 8, track.id & 0xFF, // track_ID
+ 0x00, 0x00, 0x00, 0x01, // sample_description_index
+ 0x00, 0x00, 0x00, 0x00, // default_sample_duration
+ 0x00, 0x00, 0x00, 0x00, // default_sample_size
+ 0x00, 0x00, 0x00, 0x00 // default_sample_flags
+ ]));
+ upperWordBaseMediaDecodeTime = Math.floor(track.baseMediaDecodeTime / (UINT32_MAX + 1));
+ lowerWordBaseMediaDecodeTime = Math.floor(track.baseMediaDecodeTime % (UINT32_MAX + 1));
+ trackFragmentDecodeTime = box(types.tfdt, new Uint8Array([0x01, // version 1
+ 0x00, 0x00, 0x00, // flags
+ // baseMediaDecodeTime
+ upperWordBaseMediaDecodeTime >>> 24 & 0xFF, upperWordBaseMediaDecodeTime >>> 16 & 0xFF, upperWordBaseMediaDecodeTime >>> 8 & 0xFF, upperWordBaseMediaDecodeTime & 0xFF, lowerWordBaseMediaDecodeTime >>> 24 & 0xFF, lowerWordBaseMediaDecodeTime >>> 16 & 0xFF, lowerWordBaseMediaDecodeTime >>> 8 & 0xFF, lowerWordBaseMediaDecodeTime & 0xFF])); // the data offset specifies the number of bytes from the start of
+ // the containing moof to the first payload byte of the associated
+ // mdat
+
+ dataOffset = 32 + // tfhd
+ 20 + // tfdt
+ 8 + // traf header
+ 16 + // mfhd
+ 8 + // moof header
+ 8; // mdat header
+ // audio tracks require less metadata
+
+ if (track.type === 'audio') {
+ trackFragmentRun = trun(track, dataOffset);
+ return box(types.traf, trackFragmentHeader, trackFragmentDecodeTime, trackFragmentRun);
+ } // video tracks should contain an independent and disposable samples
+ // box (sdtp)
+ // generate one and adjust offsets to match
+
+
+ sampleDependencyTable = sdtp(track);
+ trackFragmentRun = trun(track, sampleDependencyTable.length + dataOffset);
+ return box(types.traf, trackFragmentHeader, trackFragmentDecodeTime, trackFragmentRun, sampleDependencyTable);
+ };
+ /**
+ * Generate a track box.
+ * @param track {object} a track definition
+ * @return {Uint8Array} the track box
+ */
+
+
+ trak = function trak(track) {
+ track.duration = track.duration || 0xffffffff;
+ return box(types.trak, tkhd(track), mdia(track));
+ };
+
+ trex = function trex(track) {
+ var result = new Uint8Array([0x00, // version 0
+ 0x00, 0x00, 0x00, // flags
+ (track.id & 0xFF000000) >> 24, (track.id & 0xFF0000) >> 16, (track.id & 0xFF00) >> 8, track.id & 0xFF, // track_ID
+ 0x00, 0x00, 0x00, 0x01, // default_sample_description_index
+ 0x00, 0x00, 0x00, 0x00, // default_sample_duration
+ 0x00, 0x00, 0x00, 0x00, // default_sample_size
+ 0x00, 0x01, 0x00, 0x01 // default_sample_flags
+ ]); // the last two bytes of default_sample_flags is the sample
+ // degradation priority, a hint about the importance of this sample
+ // relative to others. Lower the degradation priority for all sample
+ // types other than video.
+
+ if (track.type !== 'video') {
+ result[result.length - 1] = 0x00;
+ }
+
+ return box(types.trex, result);
+ };
+
+ (function () {
+ var audioTrun, videoTrun, trunHeader; // This method assumes all samples are uniform. That is, if a
+ // duration is present for the first sample, it will be present for
+ // all subsequent samples.
+ // see ISO/IEC 14496-12:2012, Section 8.8.8.1
+
+ trunHeader = function trunHeader(samples, offset) {
+ var durationPresent = 0,
+ sizePresent = 0,
+ flagsPresent = 0,
+ compositionTimeOffset = 0; // trun flag constants
+
+ if (samples.length) {
+ if (samples[0].duration !== undefined) {
+ durationPresent = 0x1;
+ }
+
+ if (samples[0].size !== undefined) {
+ sizePresent = 0x2;
+ }
+
+ if (samples[0].flags !== undefined) {
+ flagsPresent = 0x4;
+ }
+
+ if (samples[0].compositionTimeOffset !== undefined) {
+ compositionTimeOffset = 0x8;
+ }
+ }
+
+ return [0x00, // version 0
+ 0x00, durationPresent | sizePresent | flagsPresent | compositionTimeOffset, 0x01, // flags
+ (samples.length & 0xFF000000) >>> 24, (samples.length & 0xFF0000) >>> 16, (samples.length & 0xFF00) >>> 8, samples.length & 0xFF, // sample_count
+ (offset & 0xFF000000) >>> 24, (offset & 0xFF0000) >>> 16, (offset & 0xFF00) >>> 8, offset & 0xFF // data_offset
+ ];
+ };
+
+ videoTrun = function videoTrun(track, offset) {
+ var bytes, samples, sample, i;
+ samples = track.samples || [];
+ offset += 8 + 12 + 16 * samples.length;
+ bytes = trunHeader(samples, offset);
+
+ for (i = 0; i < samples.length; i++) {
+ sample = samples[i];
+ bytes = bytes.concat([(sample.duration & 0xFF000000) >>> 24, (sample.duration & 0xFF0000) >>> 16, (sample.duration & 0xFF00) >>> 8, sample.duration & 0xFF, // sample_duration
+ (sample.size & 0xFF000000) >>> 24, (sample.size & 0xFF0000) >>> 16, (sample.size & 0xFF00) >>> 8, sample.size & 0xFF, // sample_size
+ sample.flags.isLeading << 2 | sample.flags.dependsOn, sample.flags.isDependedOn << 6 | sample.flags.hasRedundancy << 4 | sample.flags.paddingValue << 1 | sample.flags.isNonSyncSample, sample.flags.degradationPriority & 0xF0 << 8, sample.flags.degradationPriority & 0x0F, // sample_flags
+ (sample.compositionTimeOffset & 0xFF000000) >>> 24, (sample.compositionTimeOffset & 0xFF0000) >>> 16, (sample.compositionTimeOffset & 0xFF00) >>> 8, sample.compositionTimeOffset & 0xFF // sample_composition_time_offset
+ ]);
+ }
+
+ return box(types.trun, new Uint8Array(bytes));
+ };
+
+ audioTrun = function audioTrun(track, offset) {
+ var bytes, samples, sample, i;
+ samples = track.samples || [];
+ offset += 8 + 12 + 8 * samples.length;
+ bytes = trunHeader(samples, offset);
+
+ for (i = 0; i < samples.length; i++) {
+ sample = samples[i];
+ bytes = bytes.concat([(sample.duration & 0xFF000000) >>> 24, (sample.duration & 0xFF0000) >>> 16, (sample.duration & 0xFF00) >>> 8, sample.duration & 0xFF, // sample_duration
+ (sample.size & 0xFF000000) >>> 24, (sample.size & 0xFF0000) >>> 16, (sample.size & 0xFF00) >>> 8, sample.size & 0xFF]); // sample_size
+ }
+
+ return box(types.trun, new Uint8Array(bytes));
+ };
+
+ trun = function trun(track, offset) {
+ if (track.type === 'audio') {
+ return audioTrun(track, offset);
+ }
+
+ return videoTrun(track, offset);
+ };
+ })();
+
+ var mp4Generator = {
+ ftyp: ftyp,
+ mdat: mdat,
+ moof: moof,
+ moov: moov,
+ initSegment: function initSegment(tracks) {
+ var fileType = ftyp(),
+ movie = moov(tracks),
+ result;
+ result = new Uint8Array(fileType.byteLength + movie.byteLength);
+ result.set(fileType);
+ result.set(movie, fileType.byteLength);
+ return result;
+ }
+ };
+ /**
+ * mux.js
+ *
+ * Copyright (c) Brightcove
+ * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE
+ */
+ // Convert an array of nal units into an array of frames with each frame being
+ // composed of the nal units that make up that frame
+ // Also keep track of cummulative data about the frame from the nal units such
+ // as the frame duration, starting pts, etc.
+
+ var groupNalsIntoFrames = function groupNalsIntoFrames(nalUnits) {
+ var i,
+ currentNal,
+ currentFrame = [],
+ frames = []; // TODO added for LHLS, make sure this is OK
+
+ frames.byteLength = 0;
+ frames.nalCount = 0;
+ frames.duration = 0;
+ currentFrame.byteLength = 0;
+
+ for (i = 0; i < nalUnits.length; i++) {
+ currentNal = nalUnits[i]; // Split on 'aud'-type nal units
+
+ if (currentNal.nalUnitType === 'access_unit_delimiter_rbsp') {
+ // Since the very first nal unit is expected to be an AUD
+ // only push to the frames array when currentFrame is not empty
+ if (currentFrame.length) {
+ currentFrame.duration = currentNal.dts - currentFrame.dts; // TODO added for LHLS, make sure this is OK
+
+ frames.byteLength += currentFrame.byteLength;
+ frames.nalCount += currentFrame.length;
+ frames.duration += currentFrame.duration;
+ frames.push(currentFrame);
+ }
+
+ currentFrame = [currentNal];
+ currentFrame.byteLength = currentNal.data.byteLength;
+ currentFrame.pts = currentNal.pts;
+ currentFrame.dts = currentNal.dts;
+ } else {
+ // Specifically flag key frames for ease of use later
+ if (currentNal.nalUnitType === 'slice_layer_without_partitioning_rbsp_idr') {
+ currentFrame.keyFrame = true;
+ }
+
+ currentFrame.duration = currentNal.dts - currentFrame.dts;
+ currentFrame.byteLength += currentNal.data.byteLength;
+ currentFrame.push(currentNal);
+ }
+ } // For the last frame, use the duration of the previous frame if we
+ // have nothing better to go on
+
+
+ if (frames.length && (!currentFrame.duration || currentFrame.duration <= 0)) {
+ currentFrame.duration = frames[frames.length - 1].duration;
+ } // Push the final frame
+ // TODO added for LHLS, make sure this is OK
+
+
+ frames.byteLength += currentFrame.byteLength;
+ frames.nalCount += currentFrame.length;
+ frames.duration += currentFrame.duration;
+ frames.push(currentFrame);
+ return frames;
+ }; // Convert an array of frames into an array of Gop with each Gop being composed
+ // of the frames that make up that Gop
+ // Also keep track of cummulative data about the Gop from the frames such as the
+ // Gop duration, starting pts, etc.
+
+
+ var groupFramesIntoGops = function groupFramesIntoGops(frames) {
+ var i,
+ currentFrame,
+ currentGop = [],
+ gops = []; // We must pre-set some of the values on the Gop since we
+ // keep running totals of these values
+
+ currentGop.byteLength = 0;
+ currentGop.nalCount = 0;
+ currentGop.duration = 0;
+ currentGop.pts = frames[0].pts;
+ currentGop.dts = frames[0].dts; // store some metadata about all the Gops
+
+ gops.byteLength = 0;
+ gops.nalCount = 0;
+ gops.duration = 0;
+ gops.pts = frames[0].pts;
+ gops.dts = frames[0].dts;
+
+ for (i = 0; i < frames.length; i++) {
+ currentFrame = frames[i];
+
+ if (currentFrame.keyFrame) {
+ // Since the very first frame is expected to be an keyframe
+ // only push to the gops array when currentGop is not empty
+ if (currentGop.length) {
+ gops.push(currentGop);
+ gops.byteLength += currentGop.byteLength;
+ gops.nalCount += currentGop.nalCount;
+ gops.duration += currentGop.duration;
+ }
+
+ currentGop = [currentFrame];
+ currentGop.nalCount = currentFrame.length;
+ currentGop.byteLength = currentFrame.byteLength;
+ currentGop.pts = currentFrame.pts;
+ currentGop.dts = currentFrame.dts;
+ currentGop.duration = currentFrame.duration;
+ } else {
+ currentGop.duration += currentFrame.duration;
+ currentGop.nalCount += currentFrame.length;
+ currentGop.byteLength += currentFrame.byteLength;
+ currentGop.push(currentFrame);
+ }
+ }
+
+ if (gops.length && currentGop.duration <= 0) {
+ currentGop.duration = gops[gops.length - 1].duration;
+ }
+
+ gops.byteLength += currentGop.byteLength;
+ gops.nalCount += currentGop.nalCount;
+ gops.duration += currentGop.duration; // push the final Gop
+
+ gops.push(currentGop);
+ return gops;
+ };
+ /*
+ * Search for the first keyframe in the GOPs and throw away all frames
+ * until that keyframe. Then extend the duration of the pulled keyframe
+ * and pull the PTS and DTS of the keyframe so that it covers the time
+ * range of the frames that were disposed.
+ *
+ * @param {Array} gops video GOPs
+ * @returns {Array} modified video GOPs
+ */
+
+
+ var extendFirstKeyFrame = function extendFirstKeyFrame(gops) {
+ var currentGop;
+
+ if (!gops[0][0].keyFrame && gops.length > 1) {
+ // Remove the first GOP
+ currentGop = gops.shift();
+ gops.byteLength -= currentGop.byteLength;
+ gops.nalCount -= currentGop.nalCount; // Extend the first frame of what is now the
+ // first gop to cover the time period of the
+ // frames we just removed
+
+ gops[0][0].dts = currentGop.dts;
+ gops[0][0].pts = currentGop.pts;
+ gops[0][0].duration += currentGop.duration;
+ }
+
+ return gops;
+ };
+ /**
+ * Default sample object
+ * see ISO/IEC 14496-12:2012, section 8.6.4.3
+ */
+
+
+ var createDefaultSample = function createDefaultSample() {
+ return {
+ size: 0,
+ flags: {
+ isLeading: 0,
+ dependsOn: 1,
+ isDependedOn: 0,
+ hasRedundancy: 0,
+ degradationPriority: 0,
+ isNonSyncSample: 1
+ }
+ };
+ };
+ /*
+ * Collates information from a video frame into an object for eventual
+ * entry into an MP4 sample table.
+ *
+ * @param {Object} frame the video frame
+ * @param {Number} dataOffset the byte offset to position the sample
+ * @return {Object} object containing sample table info for a frame
+ */
+
+
+ var sampleForFrame = function sampleForFrame(frame, dataOffset) {
+ var sample = createDefaultSample();
+ sample.dataOffset = dataOffset;
+ sample.compositionTimeOffset = frame.pts - frame.dts;
+ sample.duration = frame.duration;
+ sample.size = 4 * frame.length; // Space for nal unit size
+
+ sample.size += frame.byteLength;
+
+ if (frame.keyFrame) {
+ sample.flags.dependsOn = 2;
+ sample.flags.isNonSyncSample = 0;
+ }
+
+ return sample;
+ }; // generate the track's sample table from an array of gops
+
+
+ var generateSampleTable = function generateSampleTable(gops, baseDataOffset) {
+ var h,
+ i,
+ sample,
+ currentGop,
+ currentFrame,
+ dataOffset = baseDataOffset || 0,
+ samples = [];
+
+ for (h = 0; h < gops.length; h++) {
+ currentGop = gops[h];
+
+ for (i = 0; i < currentGop.length; i++) {
+ currentFrame = currentGop[i];
+ sample = sampleForFrame(currentFrame, dataOffset);
+ dataOffset += sample.size;
+ samples.push(sample);
+ }
+ }
+
+ return samples;
+ }; // generate the track's raw mdat data from an array of gops
+
+
+ var concatenateNalData = function concatenateNalData(gops) {
+ var h,
+ i,
+ j,
+ currentGop,
+ currentFrame,
+ currentNal,
+ dataOffset = 0,
+ nalsByteLength = gops.byteLength,
+ numberOfNals = gops.nalCount,
+ totalByteLength = nalsByteLength + 4 * numberOfNals,
+ data = new Uint8Array(totalByteLength),
+ view = new DataView(data.buffer); // For each Gop..
+
+ for (h = 0; h < gops.length; h++) {
+ currentGop = gops[h]; // For each Frame..
+
+ for (i = 0; i < currentGop.length; i++) {
+ currentFrame = currentGop[i]; // For each NAL..
+
+ for (j = 0; j < currentFrame.length; j++) {
+ currentNal = currentFrame[j];
+ view.setUint32(dataOffset, currentNal.data.byteLength);
+ dataOffset += 4;
+ data.set(currentNal.data, dataOffset);
+ dataOffset += currentNal.data.byteLength;
+ }
+ }
+ }
+
+ return data;
+ }; // generate the track's sample table from a frame
+
+
+ var generateSampleTableForFrame = function generateSampleTableForFrame(frame, baseDataOffset) {
+ var sample,
+ dataOffset = baseDataOffset || 0,
+ samples = [];
+ sample = sampleForFrame(frame, dataOffset);
+ samples.push(sample);
+ return samples;
+ }; // generate the track's raw mdat data from a frame
+
+
+ var concatenateNalDataForFrame = function concatenateNalDataForFrame(frame) {
+ var i,
+ currentNal,
+ dataOffset = 0,
+ nalsByteLength = frame.byteLength,
+ numberOfNals = frame.length,
+ totalByteLength = nalsByteLength + 4 * numberOfNals,
+ data = new Uint8Array(totalByteLength),
+ view = new DataView(data.buffer); // For each NAL..
+
+ for (i = 0; i < frame.length; i++) {
+ currentNal = frame[i];
+ view.setUint32(dataOffset, currentNal.data.byteLength);
+ dataOffset += 4;
+ data.set(currentNal.data, dataOffset);
+ dataOffset += currentNal.data.byteLength;
+ }
+
+ return data;
+ };
+
+ var frameUtils = {
+ groupNalsIntoFrames: groupNalsIntoFrames,
+ groupFramesIntoGops: groupFramesIntoGops,
+ extendFirstKeyFrame: extendFirstKeyFrame,
+ generateSampleTable: generateSampleTable,
+ concatenateNalData: concatenateNalData,
+ generateSampleTableForFrame: generateSampleTableForFrame,
+ concatenateNalDataForFrame: concatenateNalDataForFrame
+ };
+ /**
+ * mux.js
+ *
+ * Copyright (c) Brightcove
+ * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE
+ */
+
+ var highPrefix = [33, 16, 5, 32, 164, 27];
+ var lowPrefix = [33, 65, 108, 84, 1, 2, 4, 8, 168, 2, 4, 8, 17, 191, 252];
+
+ var zeroFill = function zeroFill(count) {
+ var a = [];
+
+ while (count--) {
+ a.push(0);
+ }
+
+ return a;
+ };
+
+ var makeTable = function makeTable(metaTable) {
+ return Object.keys(metaTable).reduce(function (obj, key) {
+ obj[key] = new Uint8Array(metaTable[key].reduce(function (arr, part) {
+ return arr.concat(part);
+ }, []));
+ return obj;
+ }, {});
+ }; // Frames-of-silence to use for filling in missing AAC frames
+
+
+ var coneOfSilence = {
+ 96000: [highPrefix, [227, 64], zeroFill(154), [56]],
+ 88200: [highPrefix, [231], zeroFill(170), [56]],
+ 64000: [highPrefix, [248, 192], zeroFill(240), [56]],
+ 48000: [highPrefix, [255, 192], zeroFill(268), [55, 148, 128], zeroFill(54), [112]],
+ 44100: [highPrefix, [255, 192], zeroFill(268), [55, 163, 128], zeroFill(84), [112]],
+ 32000: [highPrefix, [255, 192], zeroFill(268), [55, 234], zeroFill(226), [112]],
+ 24000: [highPrefix, [255, 192], zeroFill(268), [55, 255, 128], zeroFill(268), [111, 112], zeroFill(126), [224]],
+ 16000: [highPrefix, [255, 192], zeroFill(268), [55, 255, 128], zeroFill(268), [111, 255], zeroFill(269), [223, 108], zeroFill(195), [1, 192]],
+ 12000: [lowPrefix, zeroFill(268), [3, 127, 248], zeroFill(268), [6, 255, 240], zeroFill(268), [13, 255, 224], zeroFill(268), [27, 253, 128], zeroFill(259), [56]],
+ 11025: [lowPrefix, zeroFill(268), [3, 127, 248], zeroFill(268), [6, 255, 240], zeroFill(268), [13, 255, 224], zeroFill(268), [27, 255, 192], zeroFill(268), [55, 175, 128], zeroFill(108), [112]],
+ 8000: [lowPrefix, zeroFill(268), [3, 121, 16], zeroFill(47), [7]]
+ };
+ var silence = makeTable(coneOfSilence);
+ /**
+ * mux.js
+ *
+ * Copyright (c) Brightcove
+ * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE
+ */
+
+ var ONE_SECOND_IN_TS = 90000,
+ // 90kHz clock
+ secondsToVideoTs,
+ secondsToAudioTs,
+ videoTsToSeconds,
+ audioTsToSeconds,
+ audioTsToVideoTs,
+ videoTsToAudioTs,
+ metadataTsToSeconds;
+
+ secondsToVideoTs = function secondsToVideoTs(seconds) {
+ return seconds * ONE_SECOND_IN_TS;
+ };
+
+ secondsToAudioTs = function secondsToAudioTs(seconds, sampleRate) {
+ return seconds * sampleRate;
+ };
+
+ videoTsToSeconds = function videoTsToSeconds(timestamp) {
+ return timestamp / ONE_SECOND_IN_TS;
+ };
+
+ audioTsToSeconds = function audioTsToSeconds(timestamp, sampleRate) {
+ return timestamp / sampleRate;
+ };
+
+ audioTsToVideoTs = function audioTsToVideoTs(timestamp, sampleRate) {
+ return secondsToVideoTs(audioTsToSeconds(timestamp, sampleRate));
+ };
+
+ videoTsToAudioTs = function videoTsToAudioTs(timestamp, sampleRate) {
+ return secondsToAudioTs(videoTsToSeconds(timestamp), sampleRate);
+ };
+ /**
+ * Adjust ID3 tag or caption timing information by the timeline pts values
+ * (if keepOriginalTimestamps is false) and convert to seconds
+ */
+
+
+ metadataTsToSeconds = function metadataTsToSeconds(timestamp, timelineStartPts, keepOriginalTimestamps) {
+ return videoTsToSeconds(keepOriginalTimestamps ? timestamp : timestamp - timelineStartPts);
+ };
+
+ var clock = {
+ ONE_SECOND_IN_TS: ONE_SECOND_IN_TS,
+ secondsToVideoTs: secondsToVideoTs,
+ secondsToAudioTs: secondsToAudioTs,
+ videoTsToSeconds: videoTsToSeconds,
+ audioTsToSeconds: audioTsToSeconds,
+ audioTsToVideoTs: audioTsToVideoTs,
+ videoTsToAudioTs: videoTsToAudioTs,
+ metadataTsToSeconds: metadataTsToSeconds
+ };
+ /**
+ * mux.js
+ *
+ * Copyright (c) Brightcove
+ * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE
+ */
+
+ /**
+ * Sum the `byteLength` properties of the data in each AAC frame
+ */
+
+ var sumFrameByteLengths = function sumFrameByteLengths(array) {
+ var i,
+ currentObj,
+ sum = 0; // sum the byteLength's all each nal unit in the frame
+
+ for (i = 0; i < array.length; i++) {
+ currentObj = array[i];
+ sum += currentObj.data.byteLength;
+ }
+
+ return sum;
+ }; // Possibly pad (prefix) the audio track with silence if appending this track
+ // would lead to the introduction of a gap in the audio buffer
+
+
+ var prefixWithSilence = function prefixWithSilence(track, frames, audioAppendStartTs, videoBaseMediaDecodeTime) {
+ var baseMediaDecodeTimeTs,
+ frameDuration = 0,
+ audioGapDuration = 0,
+ audioFillFrameCount = 0,
+ audioFillDuration = 0,
+ silentFrame,
+ i,
+ firstFrame;
+
+ if (!frames.length) {
+ return;
+ }
+
+ baseMediaDecodeTimeTs = clock.audioTsToVideoTs(track.baseMediaDecodeTime, track.samplerate); // determine frame clock duration based on sample rate, round up to avoid overfills
+
+ frameDuration = Math.ceil(clock.ONE_SECOND_IN_TS / (track.samplerate / 1024));
+
+ if (audioAppendStartTs && videoBaseMediaDecodeTime) {
+ // insert the shortest possible amount (audio gap or audio to video gap)
+ audioGapDuration = baseMediaDecodeTimeTs - Math.max(audioAppendStartTs, videoBaseMediaDecodeTime); // number of full frames in the audio gap
+
+ audioFillFrameCount = Math.floor(audioGapDuration / frameDuration);
+ audioFillDuration = audioFillFrameCount * frameDuration;
+ } // don't attempt to fill gaps smaller than a single frame or larger
+ // than a half second
+
+
+ if (audioFillFrameCount < 1 || audioFillDuration > clock.ONE_SECOND_IN_TS / 2) {
+ return;
+ }
+
+ silentFrame = silence[track.samplerate];
+
+ if (!silentFrame) {
+ // we don't have a silent frame pregenerated for the sample rate, so use a frame
+ // from the content instead
+ silentFrame = frames[0].data;
+ }
+
+ for (i = 0; i < audioFillFrameCount; i++) {
+ firstFrame = frames[0];
+ frames.splice(0, 0, {
+ data: silentFrame,
+ dts: firstFrame.dts - frameDuration,
+ pts: firstFrame.pts - frameDuration
+ });
+ }
+
+ track.baseMediaDecodeTime -= Math.floor(clock.videoTsToAudioTs(audioFillDuration, track.samplerate));
+ }; // If the audio segment extends before the earliest allowed dts
+ // value, remove AAC frames until starts at or after the earliest
+ // allowed DTS so that we don't end up with a negative baseMedia-
+ // DecodeTime for the audio track
+
+
+ var trimAdtsFramesByEarliestDts = function trimAdtsFramesByEarliestDts(adtsFrames, track, earliestAllowedDts) {
+ if (track.minSegmentDts >= earliestAllowedDts) {
+ return adtsFrames;
+ } // We will need to recalculate the earliest segment Dts
+
+
+ track.minSegmentDts = Infinity;
+ return adtsFrames.filter(function (currentFrame) {
+ // If this is an allowed frame, keep it and record it's Dts
+ if (currentFrame.dts >= earliestAllowedDts) {
+ track.minSegmentDts = Math.min(track.minSegmentDts, currentFrame.dts);
+ track.minSegmentPts = track.minSegmentDts;
+ return true;
+ } // Otherwise, discard it
+
+
+ return false;
+ });
+ }; // generate the track's raw mdat data from an array of frames
+
+
+ var generateSampleTable$1 = function generateSampleTable(frames) {
+ var i,
+ currentFrame,
+ samples = [];
+
+ for (i = 0; i < frames.length; i++) {
+ currentFrame = frames[i];
+ samples.push({
+ size: currentFrame.data.byteLength,
+ duration: 1024 // For AAC audio, all samples contain 1024 samples
+
+ });
+ }
+
+ return samples;
+ }; // generate the track's sample table from an array of frames
+
+
+ var concatenateFrameData = function concatenateFrameData(frames) {
+ var i,
+ currentFrame,
+ dataOffset = 0,
+ data = new Uint8Array(sumFrameByteLengths(frames));
+
+ for (i = 0; i < frames.length; i++) {
+ currentFrame = frames[i];
+ data.set(currentFrame.data, dataOffset);
+ dataOffset += currentFrame.data.byteLength;
+ }
+
+ return data;
+ };
+
+ var audioFrameUtils = {
+ prefixWithSilence: prefixWithSilence,
+ trimAdtsFramesByEarliestDts: trimAdtsFramesByEarliestDts,
+ generateSampleTable: generateSampleTable$1,
+ concatenateFrameData: concatenateFrameData
+ };
+ /**
+ * mux.js
+ *
+ * Copyright (c) Brightcove
+ * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE
+ */
+
+ var ONE_SECOND_IN_TS$1 = clock.ONE_SECOND_IN_TS;
+ /**
+ * Store information about the start and end of the track and the
+ * duration for each frame/sample we process in order to calculate
+ * the baseMediaDecodeTime
+ */
+
+ var collectDtsInfo = function collectDtsInfo(track, data) {
+ if (typeof data.pts === 'number') {
+ if (track.timelineStartInfo.pts === undefined) {
+ track.timelineStartInfo.pts = data.pts;
+ }
+
+ if (track.minSegmentPts === undefined) {
+ track.minSegmentPts = data.pts;
+ } else {
+ track.minSegmentPts = Math.min(track.minSegmentPts, data.pts);
+ }
+
+ if (track.maxSegmentPts === undefined) {
+ track.maxSegmentPts = data.pts;
+ } else {
+ track.maxSegmentPts = Math.max(track.maxSegmentPts, data.pts);
+ }
+ }
+
+ if (typeof data.dts === 'number') {
+ if (track.timelineStartInfo.dts === undefined) {
+ track.timelineStartInfo.dts = data.dts;
+ }
+
+ if (track.minSegmentDts === undefined) {
+ track.minSegmentDts = data.dts;
+ } else {
+ track.minSegmentDts = Math.min(track.minSegmentDts, data.dts);
+ }
+
+ if (track.maxSegmentDts === undefined) {
+ track.maxSegmentDts = data.dts;
+ } else {
+ track.maxSegmentDts = Math.max(track.maxSegmentDts, data.dts);
+ }
+ }
+ };
+ /**
+ * Clear values used to calculate the baseMediaDecodeTime between
+ * tracks
+ */
+
+
+ var clearDtsInfo = function clearDtsInfo(track) {
+ delete track.minSegmentDts;
+ delete track.maxSegmentDts;
+ delete track.minSegmentPts;
+ delete track.maxSegmentPts;
+ };
+ /**
+ * Calculate the track's baseMediaDecodeTime based on the earliest
+ * DTS the transmuxer has ever seen and the minimum DTS for the
+ * current track
+ * @param track {object} track metadata configuration
+ * @param keepOriginalTimestamps {boolean} If true, keep the timestamps
+ * in the source; false to adjust the first segment to start at 0.
+ */
+
+
+ var calculateTrackBaseMediaDecodeTime = function calculateTrackBaseMediaDecodeTime(track, keepOriginalTimestamps) {
+ var baseMediaDecodeTime,
+ scale,
+ minSegmentDts = track.minSegmentDts; // Optionally adjust the time so the first segment starts at zero.
+
+ if (!keepOriginalTimestamps) {
+ minSegmentDts -= track.timelineStartInfo.dts;
+ } // track.timelineStartInfo.baseMediaDecodeTime is the location, in time, where
+ // we want the start of the first segment to be placed
+
+
+ baseMediaDecodeTime = track.timelineStartInfo.baseMediaDecodeTime; // Add to that the distance this segment is from the very first
+
+ baseMediaDecodeTime += minSegmentDts; // baseMediaDecodeTime must not become negative
+
+ baseMediaDecodeTime = Math.max(0, baseMediaDecodeTime);
+
+ if (track.type === 'audio') {
+ // Audio has a different clock equal to the sampling_rate so we need to
+ // scale the PTS values into the clock rate of the track
+ scale = track.samplerate / ONE_SECOND_IN_TS$1;
+ baseMediaDecodeTime *= scale;
+ baseMediaDecodeTime = Math.floor(baseMediaDecodeTime);
+ }
+
+ return baseMediaDecodeTime;
+ };
+
+ var trackDecodeInfo = {
+ clearDtsInfo: clearDtsInfo,
+ calculateTrackBaseMediaDecodeTime: calculateTrackBaseMediaDecodeTime,
+ collectDtsInfo: collectDtsInfo
+ };
+ /**
+ * mux.js
+ *
+ * Copyright (c) Brightcove
+ * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE
+ *
+ * Reads in-band caption information from a video elementary
+ * stream. Captions must follow the CEA-708 standard for injection
+ * into an MPEG-2 transport streams.
+ * @see https://en.wikipedia.org/wiki/CEA-708
+ * @see https://www.gpo.gov/fdsys/pkg/CFR-2007-title47-vol1/pdf/CFR-2007-title47-vol1-sec15-119.pdf
+ */
+ // Supplemental enhancement information (SEI) NAL units have a
+ // payload type field to indicate how they are to be
+ // interpreted. CEAS-708 caption content is always transmitted with
+ // payload type 0x04.
+
+ var USER_DATA_REGISTERED_ITU_T_T35 = 4,
+ RBSP_TRAILING_BITS = 128;
+ /**
+ * Parse a supplemental enhancement information (SEI) NAL unit.
+ * Stops parsing once a message of type ITU T T35 has been found.
+ *
+ * @param bytes {Uint8Array} the bytes of a SEI NAL unit
+ * @return {object} the parsed SEI payload
+ * @see Rec. ITU-T H.264, 7.3.2.3.1
+ */
+
+ var parseSei = function parseSei(bytes) {
+ var i = 0,
+ result = {
+ payloadType: -1,
+ payloadSize: 0
+ },
+ payloadType = 0,
+ payloadSize = 0; // go through the sei_rbsp parsing each each individual sei_message
+
+ while (i < bytes.byteLength) {
+ // stop once we have hit the end of the sei_rbsp
+ if (bytes[i] === RBSP_TRAILING_BITS) {
+ break;
+ } // Parse payload type
+
+
+ while (bytes[i] === 0xFF) {
+ payloadType += 255;
+ i++;
+ }
+
+ payloadType += bytes[i++]; // Parse payload size
+
+ while (bytes[i] === 0xFF) {
+ payloadSize += 255;
+ i++;
+ }
+
+ payloadSize += bytes[i++]; // this sei_message is a 608/708 caption so save it and break
+ // there can only ever be one caption message in a frame's sei
+
+ if (!result.payload && payloadType === USER_DATA_REGISTERED_ITU_T_T35) {
+ result.payloadType = payloadType;
+ result.payloadSize = payloadSize;
+ result.payload = bytes.subarray(i, i + payloadSize);
+ break;
+ } // skip the payload and parse the next message
+
+
+ i += payloadSize;
+ payloadType = 0;
+ payloadSize = 0;
+ }
+
+ return result;
+ }; // see ANSI/SCTE 128-1 (2013), section 8.1
+
+
+ var parseUserData = function parseUserData(sei) {
+ // itu_t_t35_contry_code must be 181 (United States) for
+ // captions
+ if (sei.payload[0] !== 181) {
+ return null;
+ } // itu_t_t35_provider_code should be 49 (ATSC) for captions
+
+
+ if ((sei.payload[1] << 8 | sei.payload[2]) !== 49) {
+ return null;
+ } // the user_identifier should be "GA94" to indicate ATSC1 data
+
+
+ if (String.fromCharCode(sei.payload[3], sei.payload[4], sei.payload[5], sei.payload[6]) !== 'GA94') {
+ return null;
+ } // finally, user_data_type_code should be 0x03 for caption data
+
+
+ if (sei.payload[7] !== 0x03) {
+ return null;
+ } // return the user_data_type_structure and strip the trailing
+ // marker bits
+
+
+ return sei.payload.subarray(8, sei.payload.length - 1);
+ }; // see CEA-708-D, section 4.4
+
+
+ var parseCaptionPackets = function parseCaptionPackets(pts, userData) {
+ var results = [],
+ i,
+ count,
+ offset,
+ data; // if this is just filler, return immediately
+
+ if (!(userData[0] & 0x40)) {
+ return results;
+ } // parse out the cc_data_1 and cc_data_2 fields
+
+
+ count = userData[0] & 0x1f;
+
+ for (i = 0; i < count; i++) {
+ offset = i * 3;
+ data = {
+ type: userData[offset + 2] & 0x03,
+ pts: pts
+ }; // capture cc data when cc_valid is 1
+
+ if (userData[offset + 2] & 0x04) {
+ data.ccData = userData[offset + 3] << 8 | userData[offset + 4];
+ results.push(data);
+ }
+ }
+
+ return results;
+ };
+
+ var discardEmulationPreventionBytes = function discardEmulationPreventionBytes(data) {
+ var length = data.byteLength,
+ emulationPreventionBytesPositions = [],
+ i = 1,
+ newLength,
+ newData; // Find all `Emulation Prevention Bytes`
+
+ while (i < length - 2) {
+ if (data[i] === 0 && data[i + 1] === 0 && data[i + 2] === 0x03) {
+ emulationPreventionBytesPositions.push(i + 2);
+ i += 2;
+ } else {
+ i++;
+ }
+ } // If no Emulation Prevention Bytes were found just return the original
+ // array
+
+
+ if (emulationPreventionBytesPositions.length === 0) {
+ return data;
+ } // Create a new array to hold the NAL unit data
+
+
+ newLength = length - emulationPreventionBytesPositions.length;
+ newData = new Uint8Array(newLength);
+ var sourceIndex = 0;
+
+ for (i = 0; i < newLength; sourceIndex++, i++) {
+ if (sourceIndex === emulationPreventionBytesPositions[0]) {
+ // Skip this byte
+ sourceIndex++; // Remove this position index
+
+ emulationPreventionBytesPositions.shift();
+ }
+
+ newData[i] = data[sourceIndex];
+ }
+
+ return newData;
+ }; // exports
+
+
+ var captionPacketParser = {
+ parseSei: parseSei,
+ parseUserData: parseUserData,
+ parseCaptionPackets: parseCaptionPackets,
+ discardEmulationPreventionBytes: discardEmulationPreventionBytes,
+ USER_DATA_REGISTERED_ITU_T_T35: USER_DATA_REGISTERED_ITU_T_T35
+ }; // -----------------
+ // Link To Transport
+ // -----------------
+
+ var CaptionStream = function CaptionStream() {
+ CaptionStream.prototype.init.call(this);
+ this.captionPackets_ = [];
+ this.ccStreams_ = [new Cea608Stream(0, 0), // eslint-disable-line no-use-before-define
+ new Cea608Stream(0, 1), // eslint-disable-line no-use-before-define
+ new Cea608Stream(1, 0), // eslint-disable-line no-use-before-define
+ new Cea608Stream(1, 1) // eslint-disable-line no-use-before-define
+ ];
+ this.reset(); // forward data and done events from CCs to this CaptionStream
+
+ this.ccStreams_.forEach(function (cc) {
+ cc.on('data', this.trigger.bind(this, 'data'));
+ cc.on('partialdone', this.trigger.bind(this, 'partialdone'));
+ cc.on('done', this.trigger.bind(this, 'done'));
+ }, this);
+ };
+
+ CaptionStream.prototype = new stream();
+
+ CaptionStream.prototype.push = function (event) {
+ var sei, userData, newCaptionPackets; // only examine SEI NALs
+
+ if (event.nalUnitType !== 'sei_rbsp') {
+ return;
+ } // parse the sei
+
+
+ sei = captionPacketParser.parseSei(event.escapedRBSP); // ignore everything but user_data_registered_itu_t_t35
+
+ if (sei.payloadType !== captionPacketParser.USER_DATA_REGISTERED_ITU_T_T35) {
+ return;
+ } // parse out the user data payload
+
+
+ userData = captionPacketParser.parseUserData(sei); // ignore unrecognized userData
+
+ if (!userData) {
+ return;
+ } // Sometimes, the same segment # will be downloaded twice. To stop the
+ // caption data from being processed twice, we track the latest dts we've
+ // received and ignore everything with a dts before that. However, since
+ // data for a specific dts can be split across packets on either side of
+ // a segment boundary, we need to make sure we *don't* ignore the packets
+ // from the *next* segment that have dts === this.latestDts_. By constantly
+ // tracking the number of packets received with dts === this.latestDts_, we
+ // know how many should be ignored once we start receiving duplicates.
+
+
+ if (event.dts < this.latestDts_) {
+ // We've started getting older data, so set the flag.
+ this.ignoreNextEqualDts_ = true;
+ return;
+ } else if (event.dts === this.latestDts_ && this.ignoreNextEqualDts_) {
+ this.numSameDts_--;
+
+ if (!this.numSameDts_) {
+ // We've received the last duplicate packet, time to start processing again
+ this.ignoreNextEqualDts_ = false;
+ }
+
+ return;
+ } // parse out CC data packets and save them for later
+
+
+ newCaptionPackets = captionPacketParser.parseCaptionPackets(event.pts, userData);
+ this.captionPackets_ = this.captionPackets_.concat(newCaptionPackets);
+
+ if (this.latestDts_ !== event.dts) {
+ this.numSameDts_ = 0;
+ }
+
+ this.numSameDts_++;
+ this.latestDts_ = event.dts;
+ };
+
+ CaptionStream.prototype.flushCCStreams = function (flushType) {
+ this.ccStreams_.forEach(function (cc) {
+ return flushType === 'flush' ? cc.flush() : cc.partialFlush();
+ }, this);
+ };
+
+ CaptionStream.prototype.flushStream = function (flushType) {
+ // make sure we actually parsed captions before proceeding
+ if (!this.captionPackets_.length) {
+ this.flushCCStreams(flushType);
+ return;
+ } // In Chrome, the Array#sort function is not stable so add a
+ // presortIndex that we can use to ensure we get a stable-sort
+
+
+ this.captionPackets_.forEach(function (elem, idx) {
+ elem.presortIndex = idx;
+ }); // sort caption byte-pairs based on their PTS values
+
+ this.captionPackets_.sort(function (a, b) {
+ if (a.pts === b.pts) {
+ return a.presortIndex - b.presortIndex;
+ }
+
+ return a.pts - b.pts;
+ });
+ this.captionPackets_.forEach(function (packet) {
+ if (packet.type < 2) {
+ // Dispatch packet to the right Cea608Stream
+ this.dispatchCea608Packet(packet);
+ } // this is where an 'else' would go for a dispatching packets
+ // to a theoretical Cea708Stream that handles SERVICEn data
+
+ }, this);
+ this.captionPackets_.length = 0;
+ this.flushCCStreams(flushType);
+ };
+
+ CaptionStream.prototype.flush = function () {
+ return this.flushStream('flush');
+ }; // Only called if handling partial data
+
+
+ CaptionStream.prototype.partialFlush = function () {
+ return this.flushStream('partialFlush');
+ };
+
+ CaptionStream.prototype.reset = function () {
+ this.latestDts_ = null;
+ this.ignoreNextEqualDts_ = false;
+ this.numSameDts_ = 0;
+ this.activeCea608Channel_ = [null, null];
+ this.ccStreams_.forEach(function (ccStream) {
+ ccStream.reset();
+ });
+ }; // From the CEA-608 spec:
+
+ /*
+ * When XDS sub-packets are interleaved with other services, the end of each sub-packet shall be followed
+ * by a control pair to change to a different service. When any of the control codes from 0x10 to 0x1F is
+ * used to begin a control code pair, it indicates the return to captioning or Text data. The control code pair
+ * and subsequent data should then be processed according to the FCC rules. It may be necessary for the
+ * line 21 data encoder to automatically insert a control code pair (i.e. RCL, RU2, RU3, RU4, RDC, or RTD)
+ * to switch to captioning or Text.
+ */
+ // With that in mind, we ignore any data between an XDS control code and a
+ // subsequent closed-captioning control code.
+
+
+ CaptionStream.prototype.dispatchCea608Packet = function (packet) {
+ // NOTE: packet.type is the CEA608 field
+ if (this.setsTextOrXDSActive(packet)) {
+ this.activeCea608Channel_[packet.type] = null;
+ } else if (this.setsChannel1Active(packet)) {
+ this.activeCea608Channel_[packet.type] = 0;
+ } else if (this.setsChannel2Active(packet)) {
+ this.activeCea608Channel_[packet.type] = 1;
+ }
+
+ if (this.activeCea608Channel_[packet.type] === null) {
+ // If we haven't received anything to set the active channel, or the
+ // packets are Text/XDS data, discard the data; we don't want jumbled
+ // captions
+ return;
+ }
+
+ this.ccStreams_[(packet.type << 1) + this.activeCea608Channel_[packet.type]].push(packet);
+ };
+
+ CaptionStream.prototype.setsChannel1Active = function (packet) {
+ return (packet.ccData & 0x7800) === 0x1000;
+ };
+
+ CaptionStream.prototype.setsChannel2Active = function (packet) {
+ return (packet.ccData & 0x7800) === 0x1800;
+ };
+
+ CaptionStream.prototype.setsTextOrXDSActive = function (packet) {
+ return (packet.ccData & 0x7100) === 0x0100 || (packet.ccData & 0x78fe) === 0x102a || (packet.ccData & 0x78fe) === 0x182a;
+ }; // ----------------------
+ // Session to Application
+ // ----------------------
+ // This hash maps non-ASCII, special, and extended character codes to their
+ // proper Unicode equivalent. The first keys that are only a single byte
+ // are the non-standard ASCII characters, which simply map the CEA608 byte
+ // to the standard ASCII/Unicode. The two-byte keys that follow are the CEA608
+ // character codes, but have their MSB bitmasked with 0x03 so that a lookup
+ // can be performed regardless of the field and data channel on which the
+ // character code was received.
+
+
+ var CHARACTER_TRANSLATION = {
+ 0x2a: 0xe1,
+ // á
+ 0x5c: 0xe9,
+ // é
+ 0x5e: 0xed,
+ // í
+ 0x5f: 0xf3,
+ // ó
+ 0x60: 0xfa,
+ // ú
+ 0x7b: 0xe7,
+ // ç
+ 0x7c: 0xf7,
+ // ÷
+ 0x7d: 0xd1,
+ // Ñ
+ 0x7e: 0xf1,
+ // ñ
+ 0x7f: 0x2588,
+ // █
+ 0x0130: 0xae,
+ // ®
+ 0x0131: 0xb0,
+ // °
+ 0x0132: 0xbd,
+ // ½
+ 0x0133: 0xbf,
+ // ¿
+ 0x0134: 0x2122,
+ // ™
+ 0x0135: 0xa2,
+ // ¢
+ 0x0136: 0xa3,
+ // £
+ 0x0137: 0x266a,
+ // ♪
+ 0x0138: 0xe0,
+ // à
+ 0x0139: 0xa0,
+ //
+ 0x013a: 0xe8,
+ // è
+ 0x013b: 0xe2,
+ // â
+ 0x013c: 0xea,
+ // ê
+ 0x013d: 0xee,
+ // î
+ 0x013e: 0xf4,
+ // ô
+ 0x013f: 0xfb,
+ // û
+ 0x0220: 0xc1,
+ // Á
+ 0x0221: 0xc9,
+ // É
+ 0x0222: 0xd3,
+ // Ó
+ 0x0223: 0xda,
+ // Ú
+ 0x0224: 0xdc,
+ // Ü
+ 0x0225: 0xfc,
+ // ü
+ 0x0226: 0x2018,
+ // ‘
+ 0x0227: 0xa1,
+ // ¡
+ 0x0228: 0x2a,
+ // *
+ 0x0229: 0x27,
+ // '
+ 0x022a: 0x2014,
+ // —
+ 0x022b: 0xa9,
+ // ©
+ 0x022c: 0x2120,
+ // ℠
+ 0x022d: 0x2022,
+ // •
+ 0x022e: 0x201c,
+ // “
+ 0x022f: 0x201d,
+ // ”
+ 0x0230: 0xc0,
+ // À
+ 0x0231: 0xc2,
+ // Â
+ 0x0232: 0xc7,
+ // Ç
+ 0x0233: 0xc8,
+ // È
+ 0x0234: 0xca,
+ // Ê
+ 0x0235: 0xcb,
+ // Ë
+ 0x0236: 0xeb,
+ // ë
+ 0x0237: 0xce,
+ // Î
+ 0x0238: 0xcf,
+ // Ï
+ 0x0239: 0xef,
+ // ï
+ 0x023a: 0xd4,
+ // Ô
+ 0x023b: 0xd9,
+ // Ù
+ 0x023c: 0xf9,
+ // ù
+ 0x023d: 0xdb,
+ // Û
+ 0x023e: 0xab,
+ // «
+ 0x023f: 0xbb,
+ // »
+ 0x0320: 0xc3,
+ // Ã
+ 0x0321: 0xe3,
+ // ã
+ 0x0322: 0xcd,
+ // Í
+ 0x0323: 0xcc,
+ // Ì
+ 0x0324: 0xec,
+ // ì
+ 0x0325: 0xd2,
+ // Ò
+ 0x0326: 0xf2,
+ // ò
+ 0x0327: 0xd5,
+ // Õ
+ 0x0328: 0xf5,
+ // õ
+ 0x0329: 0x7b,
+ // {
+ 0x032a: 0x7d,
+ // }
+ 0x032b: 0x5c,
+ // \
+ 0x032c: 0x5e,
+ // ^
+ 0x032d: 0x5f,
+ // _
+ 0x032e: 0x7c,
+ // |
+ 0x032f: 0x7e,
+ // ~
+ 0x0330: 0xc4,
+ // Ä
+ 0x0331: 0xe4,
+ // ä
+ 0x0332: 0xd6,
+ // Ö
+ 0x0333: 0xf6,
+ // ö
+ 0x0334: 0xdf,
+ // ß
+ 0x0335: 0xa5,
+ // ¥
+ 0x0336: 0xa4,
+ // ¤
+ 0x0337: 0x2502,
+ // │
+ 0x0338: 0xc5,
+ // Å
+ 0x0339: 0xe5,
+ // å
+ 0x033a: 0xd8,
+ // Ø
+ 0x033b: 0xf8,
+ // ø
+ 0x033c: 0x250c,
+ // ┌
+ 0x033d: 0x2510,
+ // ┐
+ 0x033e: 0x2514,
+ // └
+ 0x033f: 0x2518 // ┘
+
+ };
+
+ var getCharFromCode = function getCharFromCode(code) {
+ if (code === null) {
+ return '';
+ }
+
+ code = CHARACTER_TRANSLATION[code] || code;
+ return String.fromCharCode(code);
+ }; // the index of the last row in a CEA-608 display buffer
+
+
+ var BOTTOM_ROW = 14; // This array is used for mapping PACs -> row #, since there's no way of
+ // getting it through bit logic.
+
+ var ROWS = [0x1100, 0x1120, 0x1200, 0x1220, 0x1500, 0x1520, 0x1600, 0x1620, 0x1700, 0x1720, 0x1000, 0x1300, 0x1320, 0x1400, 0x1420]; // CEA-608 captions are rendered onto a 34x15 matrix of character
+ // cells. The "bottom" row is the last element in the outer array.
+
+ var createDisplayBuffer = function createDisplayBuffer() {
+ var result = [],
+ i = BOTTOM_ROW + 1;
+
+ while (i--) {
+ result.push('');
+ }
+
+ return result;
+ };
+
+ var Cea608Stream = function Cea608Stream(field, dataChannel) {
+ Cea608Stream.prototype.init.call(this);
+ this.field_ = field || 0;
+ this.dataChannel_ = dataChannel || 0;
+ this.name_ = 'CC' + ((this.field_ << 1 | this.dataChannel_) + 1);
+ this.setConstants();
+ this.reset();
+
+ this.push = function (packet) {
+ var data, swap, char0, char1, text; // remove the parity bits
+
+ data = packet.ccData & 0x7f7f; // ignore duplicate control codes; the spec demands they're sent twice
+
+ if (data === this.lastControlCode_) {
+ this.lastControlCode_ = null;
+ return;
+ } // Store control codes
+
+
+ if ((data & 0xf000) === 0x1000) {
+ this.lastControlCode_ = data;
+ } else if (data !== this.PADDING_) {
+ this.lastControlCode_ = null;
+ }
+
+ char0 = data >>> 8;
+ char1 = data & 0xff;
+
+ if (data === this.PADDING_) {
+ return;
+ } else if (data === this.RESUME_CAPTION_LOADING_) {
+ this.mode_ = 'popOn';
+ } else if (data === this.END_OF_CAPTION_) {
+ // If an EOC is received while in paint-on mode, the displayed caption
+ // text should be swapped to non-displayed memory as if it was a pop-on
+ // caption. Because of that, we should explicitly switch back to pop-on
+ // mode
+ this.mode_ = 'popOn';
+ this.clearFormatting(packet.pts); // if a caption was being displayed, it's gone now
+
+ this.flushDisplayed(packet.pts); // flip memory
+
+ swap = this.displayed_;
+ this.displayed_ = this.nonDisplayed_;
+ this.nonDisplayed_ = swap; // start measuring the time to display the caption
+
+ this.startPts_ = packet.pts;
+ } else if (data === this.ROLL_UP_2_ROWS_) {
+ this.rollUpRows_ = 2;
+ this.setRollUp(packet.pts);
+ } else if (data === this.ROLL_UP_3_ROWS_) {
+ this.rollUpRows_ = 3;
+ this.setRollUp(packet.pts);
+ } else if (data === this.ROLL_UP_4_ROWS_) {
+ this.rollUpRows_ = 4;
+ this.setRollUp(packet.pts);
+ } else if (data === this.CARRIAGE_RETURN_) {
+ this.clearFormatting(packet.pts);
+ this.flushDisplayed(packet.pts);
+ this.shiftRowsUp_();
+ this.startPts_ = packet.pts;
+ } else if (data === this.BACKSPACE_) {
+ if (this.mode_ === 'popOn') {
+ this.nonDisplayed_[this.row_] = this.nonDisplayed_[this.row_].slice(0, -1);
+ } else {
+ this.displayed_[this.row_] = this.displayed_[this.row_].slice(0, -1);
+ }
+ } else if (data === this.ERASE_DISPLAYED_MEMORY_) {
+ this.flushDisplayed(packet.pts);
+ this.displayed_ = createDisplayBuffer();
+ } else if (data === this.ERASE_NON_DISPLAYED_MEMORY_) {
+ this.nonDisplayed_ = createDisplayBuffer();
+ } else if (data === this.RESUME_DIRECT_CAPTIONING_) {
+ if (this.mode_ !== 'paintOn') {
+ // NOTE: This should be removed when proper caption positioning is
+ // implemented
+ this.flushDisplayed(packet.pts);
+ this.displayed_ = createDisplayBuffer();
+ }
+
+ this.mode_ = 'paintOn';
+ this.startPts_ = packet.pts; // Append special characters to caption text
+ } else if (this.isSpecialCharacter(char0, char1)) {
+ // Bitmask char0 so that we can apply character transformations
+ // regardless of field and data channel.
+ // Then byte-shift to the left and OR with char1 so we can pass the
+ // entire character code to `getCharFromCode`.
+ char0 = (char0 & 0x03) << 8;
+ text = getCharFromCode(char0 | char1);
+ this[this.mode_](packet.pts, text);
+ this.column_++; // Append extended characters to caption text
+ } else if (this.isExtCharacter(char0, char1)) {
+ // Extended characters always follow their "non-extended" equivalents.
+ // IE if a "è" is desired, you'll always receive "eè"; non-compliant
+ // decoders are supposed to drop the "è", while compliant decoders
+ // backspace the "e" and insert "è".
+ // Delete the previous character
+ if (this.mode_ === 'popOn') {
+ this.nonDisplayed_[this.row_] = this.nonDisplayed_[this.row_].slice(0, -1);
+ } else {
+ this.displayed_[this.row_] = this.displayed_[this.row_].slice(0, -1);
+ } // Bitmask char0 so that we can apply character transformations
+ // regardless of field and data channel.
+ // Then byte-shift to the left and OR with char1 so we can pass the
+ // entire character code to `getCharFromCode`.
+
+
+ char0 = (char0 & 0x03) << 8;
+ text = getCharFromCode(char0 | char1);
+ this[this.mode_](packet.pts, text);
+ this.column_++; // Process mid-row codes
+ } else if (this.isMidRowCode(char0, char1)) {
+ // Attributes are not additive, so clear all formatting
+ this.clearFormatting(packet.pts); // According to the standard, mid-row codes
+ // should be replaced with spaces, so add one now
+
+ this[this.mode_](packet.pts, ' ');
+ this.column_++;
+
+ if ((char1 & 0xe) === 0xe) {
+ this.addFormatting(packet.pts, ['i']);
+ }
+
+ if ((char1 & 0x1) === 0x1) {
+ this.addFormatting(packet.pts, ['u']);
+ } // Detect offset control codes and adjust cursor
+
+ } else if (this.isOffsetControlCode(char0, char1)) {
+ // Cursor position is set by indent PAC (see below) in 4-column
+ // increments, with an additional offset code of 1-3 to reach any
+ // of the 32 columns specified by CEA-608. So all we need to do
+ // here is increment the column cursor by the given offset.
+ this.column_ += char1 & 0x03; // Detect PACs (Preamble Address Codes)
+ } else if (this.isPAC(char0, char1)) {
+ // There's no logic for PAC -> row mapping, so we have to just
+ // find the row code in an array and use its index :(
+ var row = ROWS.indexOf(data & 0x1f20); // Configure the caption window if we're in roll-up mode
+
+ if (this.mode_ === 'rollUp') {
+ // This implies that the base row is incorrectly set.
+ // As per the recommendation in CEA-608(Base Row Implementation), defer to the number
+ // of roll-up rows set.
+ if (row - this.rollUpRows_ + 1 < 0) {
+ row = this.rollUpRows_ - 1;
+ }
+
+ this.setRollUp(packet.pts, row);
+ }
+
+ if (row !== this.row_) {
+ // formatting is only persistent for current row
+ this.clearFormatting(packet.pts);
+ this.row_ = row;
+ } // All PACs can apply underline, so detect and apply
+ // (All odd-numbered second bytes set underline)
+
+
+ if (char1 & 0x1 && this.formatting_.indexOf('u') === -1) {
+ this.addFormatting(packet.pts, ['u']);
+ }
+
+ if ((data & 0x10) === 0x10) {
+ // We've got an indent level code. Each successive even number
+ // increments the column cursor by 4, so we can get the desired
+ // column position by bit-shifting to the right (to get n/2)
+ // and multiplying by 4.
+ this.column_ = ((data & 0xe) >> 1) * 4;
+ }
+
+ if (this.isColorPAC(char1)) {
+ // it's a color code, though we only support white, which
+ // can be either normal or italicized. white italics can be
+ // either 0x4e or 0x6e depending on the row, so we just
+ // bitwise-and with 0xe to see if italics should be turned on
+ if ((char1 & 0xe) === 0xe) {
+ this.addFormatting(packet.pts, ['i']);
+ }
+ } // We have a normal character in char0, and possibly one in char1
+
+ } else if (this.isNormalChar(char0)) {
+ if (char1 === 0x00) {
+ char1 = null;
+ }
+
+ text = getCharFromCode(char0);
+ text += getCharFromCode(char1);
+ this[this.mode_](packet.pts, text);
+ this.column_ += text.length;
+ } // finish data processing
+
+ };
+ };
+
+ Cea608Stream.prototype = new stream(); // Trigger a cue point that captures the current state of the
+ // display buffer
+
+ Cea608Stream.prototype.flushDisplayed = function (pts) {
+ var content = this.displayed_ // remove spaces from the start and end of the string
+ .map(function (row) {
+ try {
+ return row.trim();
+ } catch (e) {
+ // Ordinarily, this shouldn't happen. However, caption
+ // parsing errors should not throw exceptions and
+ // break playback.
+ // eslint-disable-next-line no-console
+ console.error('Skipping malformed caption.');
+ return '';
+ }
+ }) // combine all text rows to display in one cue
+ .join('\n') // and remove blank rows from the start and end, but not the middle
+ .replace(/^\n+|\n+$/g, '');
+
+ if (content.length) {
+ this.trigger('data', {
+ startPts: this.startPts_,
+ endPts: pts,
+ text: content,
+ stream: this.name_
+ });
+ }
+ };
+ /**
+ * Zero out the data, used for startup and on seek
+ */
+
+
+ Cea608Stream.prototype.reset = function () {
+ this.mode_ = 'popOn'; // When in roll-up mode, the index of the last row that will
+ // actually display captions. If a caption is shifted to a row
+ // with a lower index than this, it is cleared from the display
+ // buffer
+
+ this.topRow_ = 0;
+ this.startPts_ = 0;
+ this.displayed_ = createDisplayBuffer();
+ this.nonDisplayed_ = createDisplayBuffer();
+ this.lastControlCode_ = null; // Track row and column for proper line-breaking and spacing
+
+ this.column_ = 0;
+ this.row_ = BOTTOM_ROW;
+ this.rollUpRows_ = 2; // This variable holds currently-applied formatting
+
+ this.formatting_ = [];
+ };
+ /**
+ * Sets up control code and related constants for this instance
+ */
+
+
+ Cea608Stream.prototype.setConstants = function () {
+ // The following attributes have these uses:
+ // ext_ : char0 for mid-row codes, and the base for extended
+ // chars (ext_+0, ext_+1, and ext_+2 are char0s for
+ // extended codes)
+ // control_: char0 for control codes, except byte-shifted to the
+ // left so that we can do this.control_ | CONTROL_CODE
+ // offset_: char0 for tab offset codes
+ //
+ // It's also worth noting that control codes, and _only_ control codes,
+ // differ between field 1 and field2. Field 2 control codes are always
+ // their field 1 value plus 1. That's why there's the "| field" on the
+ // control value.
+ if (this.dataChannel_ === 0) {
+ this.BASE_ = 0x10;
+ this.EXT_ = 0x11;
+ this.CONTROL_ = (0x14 | this.field_) << 8;
+ this.OFFSET_ = 0x17;
+ } else if (this.dataChannel_ === 1) {
+ this.BASE_ = 0x18;
+ this.EXT_ = 0x19;
+ this.CONTROL_ = (0x1c | this.field_) << 8;
+ this.OFFSET_ = 0x1f;
+ } // Constants for the LSByte command codes recognized by Cea608Stream. This
+ // list is not exhaustive. For a more comprehensive listing and semantics see
+ // http://www.gpo.gov/fdsys/pkg/CFR-2010-title47-vol1/pdf/CFR-2010-title47-vol1-sec15-119.pdf
+ // Padding
+
+
+ this.PADDING_ = 0x0000; // Pop-on Mode
+
+ this.RESUME_CAPTION_LOADING_ = this.CONTROL_ | 0x20;
+ this.END_OF_CAPTION_ = this.CONTROL_ | 0x2f; // Roll-up Mode
+
+ this.ROLL_UP_2_ROWS_ = this.CONTROL_ | 0x25;
+ this.ROLL_UP_3_ROWS_ = this.CONTROL_ | 0x26;
+ this.ROLL_UP_4_ROWS_ = this.CONTROL_ | 0x27;
+ this.CARRIAGE_RETURN_ = this.CONTROL_ | 0x2d; // paint-on mode
+
+ this.RESUME_DIRECT_CAPTIONING_ = this.CONTROL_ | 0x29; // Erasure
+
+ this.BACKSPACE_ = this.CONTROL_ | 0x21;
+ this.ERASE_DISPLAYED_MEMORY_ = this.CONTROL_ | 0x2c;
+ this.ERASE_NON_DISPLAYED_MEMORY_ = this.CONTROL_ | 0x2e;
+ };
+ /**
+ * Detects if the 2-byte packet data is a special character
+ *
+ * Special characters have a second byte in the range 0x30 to 0x3f,
+ * with the first byte being 0x11 (for data channel 1) or 0x19 (for
+ * data channel 2).
+ *
+ * @param {Integer} char0 The first byte
+ * @param {Integer} char1 The second byte
+ * @return {Boolean} Whether the 2 bytes are an special character
+ */
+
+
+ Cea608Stream.prototype.isSpecialCharacter = function (char0, char1) {
+ return char0 === this.EXT_ && char1 >= 0x30 && char1 <= 0x3f;
+ };
+ /**
+ * Detects if the 2-byte packet data is an extended character
+ *
+ * Extended characters have a second byte in the range 0x20 to 0x3f,
+ * with the first byte being 0x12 or 0x13 (for data channel 1) or
+ * 0x1a or 0x1b (for data channel 2).
+ *
+ * @param {Integer} char0 The first byte
+ * @param {Integer} char1 The second byte
+ * @return {Boolean} Whether the 2 bytes are an extended character
+ */
+
+
+ Cea608Stream.prototype.isExtCharacter = function (char0, char1) {
+ return (char0 === this.EXT_ + 1 || char0 === this.EXT_ + 2) && char1 >= 0x20 && char1 <= 0x3f;
+ };
+ /**
+ * Detects if the 2-byte packet is a mid-row code
+ *
+ * Mid-row codes have a second byte in the range 0x20 to 0x2f, with
+ * the first byte being 0x11 (for data channel 1) or 0x19 (for data
+ * channel 2).
+ *
+ * @param {Integer} char0 The first byte
+ * @param {Integer} char1 The second byte
+ * @return {Boolean} Whether the 2 bytes are a mid-row code
+ */
+
+
+ Cea608Stream.prototype.isMidRowCode = function (char0, char1) {
+ return char0 === this.EXT_ && char1 >= 0x20 && char1 <= 0x2f;
+ };
+ /**
+ * Detects if the 2-byte packet is an offset control code
+ *
+ * Offset control codes have a second byte in the range 0x21 to 0x23,
+ * with the first byte being 0x17 (for data channel 1) or 0x1f (for
+ * data channel 2).
+ *
+ * @param {Integer} char0 The first byte
+ * @param {Integer} char1 The second byte
+ * @return {Boolean} Whether the 2 bytes are an offset control code
+ */
+
+
+ Cea608Stream.prototype.isOffsetControlCode = function (char0, char1) {
+ return char0 === this.OFFSET_ && char1 >= 0x21 && char1 <= 0x23;
+ };
+ /**
+ * Detects if the 2-byte packet is a Preamble Address Code
+ *
+ * PACs have a first byte in the range 0x10 to 0x17 (for data channel 1)
+ * or 0x18 to 0x1f (for data channel 2), with the second byte in the
+ * range 0x40 to 0x7f.
+ *
+ * @param {Integer} char0 The first byte
+ * @param {Integer} char1 The second byte
+ * @return {Boolean} Whether the 2 bytes are a PAC
+ */
+
+
+ Cea608Stream.prototype.isPAC = function (char0, char1) {
+ return char0 >= this.BASE_ && char0 < this.BASE_ + 8 && char1 >= 0x40 && char1 <= 0x7f;
+ };
+ /**
+ * Detects if a packet's second byte is in the range of a PAC color code
+ *
+ * PAC color codes have the second byte be in the range 0x40 to 0x4f, or
+ * 0x60 to 0x6f.
+ *
+ * @param {Integer} char1 The second byte
+ * @return {Boolean} Whether the byte is a color PAC
+ */
+
+
+ Cea608Stream.prototype.isColorPAC = function (char1) {
+ return char1 >= 0x40 && char1 <= 0x4f || char1 >= 0x60 && char1 <= 0x7f;
+ };
+ /**
+ * Detects if a single byte is in the range of a normal character
+ *
+ * Normal text bytes are in the range 0x20 to 0x7f.
+ *
+ * @param {Integer} char The byte
+ * @return {Boolean} Whether the byte is a normal character
+ */
+
+
+ Cea608Stream.prototype.isNormalChar = function (_char) {
+ return _char >= 0x20 && _char <= 0x7f;
+ };
+ /**
+ * Configures roll-up
+ *
+ * @param {Integer} pts Current PTS
+ * @param {Integer} newBaseRow Used by PACs to slide the current window to
+ * a new position
+ */
+
+
+ Cea608Stream.prototype.setRollUp = function (pts, newBaseRow) {
+ // Reset the base row to the bottom row when switching modes
+ if (this.mode_ !== 'rollUp') {
+ this.row_ = BOTTOM_ROW;
+ this.mode_ = 'rollUp'; // Spec says to wipe memories when switching to roll-up
+
+ this.flushDisplayed(pts);
+ this.nonDisplayed_ = createDisplayBuffer();
+ this.displayed_ = createDisplayBuffer();
+ }
+
+ if (newBaseRow !== undefined && newBaseRow !== this.row_) {
+ // move currently displayed captions (up or down) to the new base row
+ for (var i = 0; i < this.rollUpRows_; i++) {
+ this.displayed_[newBaseRow - i] = this.displayed_[this.row_ - i];
+ this.displayed_[this.row_ - i] = '';
+ }
+ }
+
+ if (newBaseRow === undefined) {
+ newBaseRow = this.row_;
+ }
+
+ this.topRow_ = newBaseRow - this.rollUpRows_ + 1;
+ }; // Adds the opening HTML tag for the passed character to the caption text,
+ // and keeps track of it for later closing
+
+
+ Cea608Stream.prototype.addFormatting = function (pts, format) {
+ this.formatting_ = this.formatting_.concat(format);
+ var text = format.reduce(function (text, format) {
+ return text + '<' + format + '>';
+ }, '');
+ this[this.mode_](pts, text);
+ }; // Adds HTML closing tags for current formatting to caption text and
+ // clears remembered formatting
+
+
+ Cea608Stream.prototype.clearFormatting = function (pts) {
+ if (!this.formatting_.length) {
+ return;
+ }
+
+ var text = this.formatting_.reverse().reduce(function (text, format) {
+ return text + '</' + format + '>';
+ }, '');
+ this.formatting_ = [];
+ this[this.mode_](pts, text);
+ }; // Mode Implementations
+
+
+ Cea608Stream.prototype.popOn = function (pts, text) {
+ var baseRow = this.nonDisplayed_[this.row_]; // buffer characters
+
+ baseRow += text;
+ this.nonDisplayed_[this.row_] = baseRow;
+ };
+
+ Cea608Stream.prototype.rollUp = function (pts, text) {
+ var baseRow = this.displayed_[this.row_];
+ baseRow += text;
+ this.displayed_[this.row_] = baseRow;
+ };
+
+ Cea608Stream.prototype.shiftRowsUp_ = function () {
+ var i; // clear out inactive rows
+
+ for (i = 0; i < this.topRow_; i++) {
+ this.displayed_[i] = '';
+ }
+
+ for (i = this.row_ + 1; i < BOTTOM_ROW + 1; i++) {
+ this.displayed_[i] = '';
+ } // shift displayed rows up
+
+
+ for (i = this.topRow_; i < this.row_; i++) {
+ this.displayed_[i] = this.displayed_[i + 1];
+ } // clear out the bottom row
+
+
+ this.displayed_[this.row_] = '';
+ };
+
+ Cea608Stream.prototype.paintOn = function (pts, text) {
+ var baseRow = this.displayed_[this.row_];
+ baseRow += text;
+ this.displayed_[this.row_] = baseRow;
+ }; // exports
+
+
+ var captionStream = {
+ CaptionStream: CaptionStream,
+ Cea608Stream: Cea608Stream
+ };
+ /**
+ * mux.js
+ *
+ * Copyright (c) Brightcove
+ * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE
+ */
+
+ var streamTypes = {
+ H264_STREAM_TYPE: 0x1B,
+ ADTS_STREAM_TYPE: 0x0F,
+ METADATA_STREAM_TYPE: 0x15
+ };
+ var MAX_TS = 8589934592;
+ var RO_THRESH = 4294967296;
+ var TYPE_SHARED = 'shared';
+
+ var handleRollover = function handleRollover(value, reference) {
+ var direction = 1;
+
+ if (value > reference) {
+ // If the current timestamp value is greater than our reference timestamp and we detect a
+ // timestamp rollover, this means the roll over is happening in the opposite direction.
+ // Example scenario: Enter a long stream/video just after a rollover occurred. The reference
+ // point will be set to a small number, e.g. 1. The user then seeks backwards over the
+ // rollover point. In loading this segment, the timestamp values will be very large,
+ // e.g. 2^33 - 1. Since this comes before the data we loaded previously, we want to adjust
+ // the time stamp to be `value - 2^33`.
+ direction = -1;
+ } // Note: A seek forwards or back that is greater than the RO_THRESH (2^32, ~13 hours) will
+ // cause an incorrect adjustment.
+
+
+ while (Math.abs(reference - value) > RO_THRESH) {
+ value += direction * MAX_TS;
+ }
+
+ return value;
+ };
+
+ var TimestampRolloverStream = function TimestampRolloverStream(type) {
+ var lastDTS, referenceDTS;
+ TimestampRolloverStream.prototype.init.call(this); // The "shared" type is used in cases where a stream will contain muxed
+ // video and audio. We could use `undefined` here, but having a string
+ // makes debugging a little clearer.
+
+ this.type_ = type || TYPE_SHARED;
+
+ this.push = function (data) {
+ // Any "shared" rollover streams will accept _all_ data. Otherwise,
+ // streams will only accept data that matches their type.
+ if (this.type_ !== TYPE_SHARED && data.type !== this.type_) {
+ return;
+ }
+
+ if (referenceDTS === undefined) {
+ referenceDTS = data.dts;
+ }
+
+ data.dts = handleRollover(data.dts, referenceDTS);
+ data.pts = handleRollover(data.pts, referenceDTS);
+ lastDTS = data.dts;
+ this.trigger('data', data);
+ };
+
+ this.flush = function () {
+ referenceDTS = lastDTS;
+ this.trigger('done');
+ };
+
+ this.endTimeline = function () {
+ this.flush();
+ this.trigger('endedtimeline');
+ };
+
+ this.discontinuity = function () {
+ referenceDTS = void 0;
+ lastDTS = void 0;
+ };
+
+ this.reset = function () {
+ this.discontinuity();
+ this.trigger('reset');
+ };
+ };
+
+ TimestampRolloverStream.prototype = new stream();
+ var timestampRolloverStream = {
+ TimestampRolloverStream: TimestampRolloverStream,
+ handleRollover: handleRollover
+ };
+
+ var percentEncode = function percentEncode(bytes, start, end) {
+ var i,
+ result = '';
+
+ for (i = start; i < end; i++) {
+ result += '%' + ('00' + bytes[i].toString(16)).slice(-2);
+ }
+
+ return result;
+ },
+ // return the string representation of the specified byte range,
+ // interpreted as UTf-8.
+ parseUtf8 = function parseUtf8(bytes, start, end) {
+ return decodeURIComponent(percentEncode(bytes, start, end));
+ },
+ // return the string representation of the specified byte range,
+ // interpreted as ISO-8859-1.
+ parseIso88591 = function parseIso88591(bytes, start, end) {
+ return unescape(percentEncode(bytes, start, end)); // jshint ignore:line
+ },
+ parseSyncSafeInteger = function parseSyncSafeInteger(data) {
+ return data[0] << 21 | data[1] << 14 | data[2] << 7 | data[3];
+ },
+ tagParsers = {
+ TXXX: function TXXX(tag) {
+ var i;
+
+ if (tag.data[0] !== 3) {
+ // ignore frames with unrecognized character encodings
+ return;
+ }
+
+ for (i = 1; i < tag.data.length; i++) {
+ if (tag.data[i] === 0) {
+ // parse the text fields
+ tag.description = parseUtf8(tag.data, 1, i); // do not include the null terminator in the tag value
+
+ tag.value = parseUtf8(tag.data, i + 1, tag.data.length).replace(/\0*$/, '');
+ break;
+ }
+ }
+
+ tag.data = tag.value;
+ },
+ WXXX: function WXXX(tag) {
+ var i;
+
+ if (tag.data[0] !== 3) {
+ // ignore frames with unrecognized character encodings
+ return;
+ }
+
+ for (i = 1; i < tag.data.length; i++) {
+ if (tag.data[i] === 0) {
+ // parse the description and URL fields
+ tag.description = parseUtf8(tag.data, 1, i);
+ tag.url = parseUtf8(tag.data, i + 1, tag.data.length);
+ break;
+ }
+ }
+ },
+ PRIV: function PRIV(tag) {
+ var i;
+
+ for (i = 0; i < tag.data.length; i++) {
+ if (tag.data[i] === 0) {
+ // parse the description and URL fields
+ tag.owner = parseIso88591(tag.data, 0, i);
+ break;
+ }
+ }
+
+ tag.privateData = tag.data.subarray(i + 1);
+ tag.data = tag.privateData;
+ }
+ },
+ _MetadataStream;
+
+ _MetadataStream = function MetadataStream(options) {
+ var settings = {
+ debug: !!(options && options.debug),
+ // the bytes of the program-level descriptor field in MP2T
+ // see ISO/IEC 13818-1:2013 (E), section 2.6 "Program and
+ // program element descriptors"
+ descriptor: options && options.descriptor
+ },
+ // the total size in bytes of the ID3 tag being parsed
+ tagSize = 0,
+ // tag data that is not complete enough to be parsed
+ buffer = [],
+ // the total number of bytes currently in the buffer
+ bufferSize = 0,
+ i;
+
+ _MetadataStream.prototype.init.call(this); // calculate the text track in-band metadata track dispatch type
+ // https://html.spec.whatwg.org/multipage/embedded-content.html#steps-to-expose-a-media-resource-specific-text-track
+
+
+ this.dispatchType = streamTypes.METADATA_STREAM_TYPE.toString(16);
+
+ if (settings.descriptor) {
+ for (i = 0; i < settings.descriptor.length; i++) {
+ this.dispatchType += ('00' + settings.descriptor[i].toString(16)).slice(-2);
+ }
+ }
+
+ this.push = function (chunk) {
+ var tag, frameStart, frameSize, frame, i, frameHeader;
+
+ if (chunk.type !== 'timed-metadata') {
+ return;
+ } // if data_alignment_indicator is set in the PES header,
+ // we must have the start of a new ID3 tag. Assume anything
+ // remaining in the buffer was malformed and throw it out
+
+
+ if (chunk.dataAlignmentIndicator) {
+ bufferSize = 0;
+ buffer.length = 0;
+ } // ignore events that don't look like ID3 data
+
+
+ if (buffer.length === 0 && (chunk.data.length < 10 || chunk.data[0] !== 'I'.charCodeAt(0) || chunk.data[1] !== 'D'.charCodeAt(0) || chunk.data[2] !== '3'.charCodeAt(0))) {
+ if (settings.debug) {
+ // eslint-disable-next-line no-console
+ console.log('Skipping unrecognized metadata packet');
+ }
+
+ return;
+ } // add this chunk to the data we've collected so far
+
+
+ buffer.push(chunk);
+ bufferSize += chunk.data.byteLength; // grab the size of the entire frame from the ID3 header
+
+ if (buffer.length === 1) {
+ // the frame size is transmitted as a 28-bit integer in the
+ // last four bytes of the ID3 header.
+ // The most significant bit of each byte is dropped and the
+ // results concatenated to recover the actual value.
+ tagSize = parseSyncSafeInteger(chunk.data.subarray(6, 10)); // ID3 reports the tag size excluding the header but it's more
+ // convenient for our comparisons to include it
+
+ tagSize += 10;
+ } // if the entire frame has not arrived, wait for more data
+
+
+ if (bufferSize < tagSize) {
+ return;
+ } // collect the entire frame so it can be parsed
+
+
+ tag = {
+ data: new Uint8Array(tagSize),
+ frames: [],
+ pts: buffer[0].pts,
+ dts: buffer[0].dts
+ };
+
+ for (i = 0; i < tagSize;) {
+ tag.data.set(buffer[0].data.subarray(0, tagSize - i), i);
+ i += buffer[0].data.byteLength;
+ bufferSize -= buffer[0].data.byteLength;
+ buffer.shift();
+ } // find the start of the first frame and the end of the tag
+
+
+ frameStart = 10;
+
+ if (tag.data[5] & 0x40) {
+ // advance the frame start past the extended header
+ frameStart += 4; // header size field
+
+ frameStart += parseSyncSafeInteger(tag.data.subarray(10, 14)); // clip any padding off the end
+
+ tagSize -= parseSyncSafeInteger(tag.data.subarray(16, 20));
+ } // parse one or more ID3 frames
+ // http://id3.org/id3v2.3.0#ID3v2_frame_overview
+
+
+ do {
+ // determine the number of bytes in this frame
+ frameSize = parseSyncSafeInteger(tag.data.subarray(frameStart + 4, frameStart + 8));
+
+ if (frameSize < 1) {
+ // eslint-disable-next-line no-console
+ return console.log('Malformed ID3 frame encountered. Skipping metadata parsing.');
+ }
+
+ frameHeader = String.fromCharCode(tag.data[frameStart], tag.data[frameStart + 1], tag.data[frameStart + 2], tag.data[frameStart + 3]);
+ frame = {
+ id: frameHeader,
+ data: tag.data.subarray(frameStart + 10, frameStart + frameSize + 10)
+ };
+ frame.key = frame.id;
+
+ if (tagParsers[frame.id]) {
+ tagParsers[frame.id](frame); // handle the special PRIV frame used to indicate the start
+ // time for raw AAC data
+
+ if (frame.owner === 'com.apple.streaming.transportStreamTimestamp') {
+ var d = frame.data,
+ size = (d[3] & 0x01) << 30 | d[4] << 22 | d[5] << 14 | d[6] << 6 | d[7] >>> 2;
+ size *= 4;
+ size += d[7] & 0x03;
+ frame.timeStamp = size; // in raw AAC, all subsequent data will be timestamped based
+ // on the value of this frame
+ // we couldn't have known the appropriate pts and dts before
+ // parsing this ID3 tag so set those values now
+
+ if (tag.pts === undefined && tag.dts === undefined) {
+ tag.pts = frame.timeStamp;
+ tag.dts = frame.timeStamp;
+ }
+
+ this.trigger('timestamp', frame);
+ }
+ }
+
+ tag.frames.push(frame);
+ frameStart += 10; // advance past the frame header
+
+ frameStart += frameSize; // advance past the frame body
+ } while (frameStart < tagSize);
+
+ this.trigger('data', tag);
+ };
+ };
+
+ _MetadataStream.prototype = new stream();
+ var metadataStream = _MetadataStream;
+ var TimestampRolloverStream$1 = timestampRolloverStream.TimestampRolloverStream; // object types
+
+ var _TransportPacketStream, _TransportParseStream, _ElementaryStream; // constants
+
+
+ var MP2T_PACKET_LENGTH = 188,
+ // bytes
+ SYNC_BYTE = 0x47;
+ /**
+ * Splits an incoming stream of binary data into MPEG-2 Transport
+ * Stream packets.
+ */
+
+ _TransportPacketStream = function TransportPacketStream() {
+ var buffer = new Uint8Array(MP2T_PACKET_LENGTH),
+ bytesInBuffer = 0;
+
+ _TransportPacketStream.prototype.init.call(this); // Deliver new bytes to the stream.
+
+ /**
+ * Split a stream of data into M2TS packets
+ **/
+
+
+ this.push = function (bytes) {
+ var startIndex = 0,
+ endIndex = MP2T_PACKET_LENGTH,
+ everything; // If there are bytes remaining from the last segment, prepend them to the
+ // bytes that were pushed in
+
+ if (bytesInBuffer) {
+ everything = new Uint8Array(bytes.byteLength + bytesInBuffer);
+ everything.set(buffer.subarray(0, bytesInBuffer));
+ everything.set(bytes, bytesInBuffer);
+ bytesInBuffer = 0;
+ } else {
+ everything = bytes;
+ } // While we have enough data for a packet
+
+
+ while (endIndex < everything.byteLength) {
+ // Look for a pair of start and end sync bytes in the data..
+ if (everything[startIndex] === SYNC_BYTE && everything[endIndex] === SYNC_BYTE) {
+ // We found a packet so emit it and jump one whole packet forward in
+ // the stream
+ this.trigger('data', everything.subarray(startIndex, endIndex));
+ startIndex += MP2T_PACKET_LENGTH;
+ endIndex += MP2T_PACKET_LENGTH;
+ continue;
+ } // If we get here, we have somehow become de-synchronized and we need to step
+ // forward one byte at a time until we find a pair of sync bytes that denote
+ // a packet
+
+
+ startIndex++;
+ endIndex++;
+ } // If there was some data left over at the end of the segment that couldn't
+ // possibly be a whole packet, keep it because it might be the start of a packet
+ // that continues in the next segment
+
+
+ if (startIndex < everything.byteLength) {
+ buffer.set(everything.subarray(startIndex), 0);
+ bytesInBuffer = everything.byteLength - startIndex;
+ }
+ };
+ /**
+ * Passes identified M2TS packets to the TransportParseStream to be parsed
+ **/
+
+
+ this.flush = function () {
+ // If the buffer contains a whole packet when we are being flushed, emit it
+ // and empty the buffer. Otherwise hold onto the data because it may be
+ // important for decoding the next segment
+ if (bytesInBuffer === MP2T_PACKET_LENGTH && buffer[0] === SYNC_BYTE) {
+ this.trigger('data', buffer);
+ bytesInBuffer = 0;
+ }
+
+ this.trigger('done');
+ };
+
+ this.endTimeline = function () {
+ this.flush();
+ this.trigger('endedtimeline');
+ };
+
+ this.reset = function () {
+ bytesInBuffer = 0;
+ this.trigger('reset');
+ };
+ };
+
+ _TransportPacketStream.prototype = new stream();
+ /**
+ * Accepts an MP2T TransportPacketStream and emits data events with parsed
+ * forms of the individual transport stream packets.
+ */
+
+ _TransportParseStream = function TransportParseStream() {
+ var parsePsi, parsePat, parsePmt, self;
+
+ _TransportParseStream.prototype.init.call(this);
+
+ self = this;
+ this.packetsWaitingForPmt = [];
+ this.programMapTable = undefined;
+
+ parsePsi = function parsePsi(payload, psi) {
+ var offset = 0; // PSI packets may be split into multiple sections and those
+ // sections may be split into multiple packets. If a PSI
+ // section starts in this packet, the payload_unit_start_indicator
+ // will be true and the first byte of the payload will indicate
+ // the offset from the current position to the start of the
+ // section.
+
+ if (psi.payloadUnitStartIndicator) {
+ offset += payload[offset] + 1;
+ }
+
+ if (psi.type === 'pat') {
+ parsePat(payload.subarray(offset), psi);
+ } else {
+ parsePmt(payload.subarray(offset), psi);
+ }
+ };
+
+ parsePat = function parsePat(payload, pat) {
+ pat.section_number = payload[7]; // eslint-disable-line camelcase
+
+ pat.last_section_number = payload[8]; // eslint-disable-line camelcase
+ // skip the PSI header and parse the first PMT entry
+
+ self.pmtPid = (payload[10] & 0x1F) << 8 | payload[11];
+ pat.pmtPid = self.pmtPid;
+ };
+ /**
+ * Parse out the relevant fields of a Program Map Table (PMT).
+ * @param payload {Uint8Array} the PMT-specific portion of an MP2T
+ * packet. The first byte in this array should be the table_id
+ * field.
+ * @param pmt {object} the object that should be decorated with
+ * fields parsed from the PMT.
+ */
+
+
+ parsePmt = function parsePmt(payload, pmt) {
+ var sectionLength, tableEnd, programInfoLength, offset; // PMTs can be sent ahead of the time when they should actually
+ // take effect. We don't believe this should ever be the case
+ // for HLS but we'll ignore "forward" PMT declarations if we see
+ // them. Future PMT declarations have the current_next_indicator
+ // set to zero.
+
+ if (!(payload[5] & 0x01)) {
+ return;
+ } // overwrite any existing program map table
+
+
+ self.programMapTable = {
+ video: null,
+ audio: null,
+ 'timed-metadata': {}
+ }; // the mapping table ends at the end of the current section
+
+ sectionLength = (payload[1] & 0x0f) << 8 | payload[2];
+ tableEnd = 3 + sectionLength - 4; // to determine where the table is, we have to figure out how
+ // long the program info descriptors are
+
+ programInfoLength = (payload[10] & 0x0f) << 8 | payload[11]; // advance the offset to the first entry in the mapping table
+
+ offset = 12 + programInfoLength;
+
+ while (offset < tableEnd) {
+ var streamType = payload[offset];
+ var pid = (payload[offset + 1] & 0x1F) << 8 | payload[offset + 2]; // only map a single elementary_pid for audio and video stream types
+ // TODO: should this be done for metadata too? for now maintain behavior of
+ // multiple metadata streams
+
+ if (streamType === streamTypes.H264_STREAM_TYPE && self.programMapTable.video === null) {
+ self.programMapTable.video = pid;
+ } else if (streamType === streamTypes.ADTS_STREAM_TYPE && self.programMapTable.audio === null) {
+ self.programMapTable.audio = pid;
+ } else if (streamType === streamTypes.METADATA_STREAM_TYPE) {
+ // map pid to stream type for metadata streams
+ self.programMapTable['timed-metadata'][pid] = streamType;
+ } // move to the next table entry
+ // skip past the elementary stream descriptors, if present
+
+
+ offset += ((payload[offset + 3] & 0x0F) << 8 | payload[offset + 4]) + 5;
+ } // record the map on the packet as well
+
+
+ pmt.programMapTable = self.programMapTable;
+ };
+ /**
+ * Deliver a new MP2T packet to the next stream in the pipeline.
+ */
+
+
+ this.push = function (packet) {
+ var result = {},
+ offset = 4;
+ result.payloadUnitStartIndicator = !!(packet[1] & 0x40); // pid is a 13-bit field starting at the last bit of packet[1]
+
+ result.pid = packet[1] & 0x1f;
+ result.pid <<= 8;
+ result.pid |= packet[2]; // if an adaption field is present, its length is specified by the
+ // fifth byte of the TS packet header. The adaptation field is
+ // used to add stuffing to PES packets that don't fill a complete
+ // TS packet, and to specify some forms of timing and control data
+ // that we do not currently use.
+
+ if ((packet[3] & 0x30) >>> 4 > 0x01) {
+ offset += packet[offset] + 1;
+ } // parse the rest of the packet based on the type
+
+
+ if (result.pid === 0) {
+ result.type = 'pat';
+ parsePsi(packet.subarray(offset), result);
+ this.trigger('data', result);
+ } else if (result.pid === this.pmtPid) {
+ result.type = 'pmt';
+ parsePsi(packet.subarray(offset), result);
+ this.trigger('data', result); // if there are any packets waiting for a PMT to be found, process them now
+
+ while (this.packetsWaitingForPmt.length) {
+ this.processPes_.apply(this, this.packetsWaitingForPmt.shift());
+ }
+ } else if (this.programMapTable === undefined) {
+ // When we have not seen a PMT yet, defer further processing of
+ // PES packets until one has been parsed
+ this.packetsWaitingForPmt.push([packet, offset, result]);
+ } else {
+ this.processPes_(packet, offset, result);
+ }
+ };
+
+ this.processPes_ = function (packet, offset, result) {
+ // set the appropriate stream type
+ if (result.pid === this.programMapTable.video) {
+ result.streamType = streamTypes.H264_STREAM_TYPE;
+ } else if (result.pid === this.programMapTable.audio) {
+ result.streamType = streamTypes.ADTS_STREAM_TYPE;
+ } else {
+ // if not video or audio, it is timed-metadata or unknown
+ // if unknown, streamType will be undefined
+ result.streamType = this.programMapTable['timed-metadata'][result.pid];
+ }
+
+ result.type = 'pes';
+ result.data = packet.subarray(offset);
+ this.trigger('data', result);
+ };
+ };
+
+ _TransportParseStream.prototype = new stream();
+ _TransportParseStream.STREAM_TYPES = {
+ h264: 0x1b,
+ adts: 0x0f
+ };
+ /**
+ * Reconsistutes program elementary stream (PES) packets from parsed
+ * transport stream packets. That is, if you pipe an
+ * mp2t.TransportParseStream into a mp2t.ElementaryStream, the output
+ * events will be events which capture the bytes for individual PES
+ * packets plus relevant metadata that has been extracted from the
+ * container.
+ */
+
+ _ElementaryStream = function ElementaryStream() {
+ var self = this,
+ // PES packet fragments
+ video = {
+ data: [],
+ size: 0
+ },
+ audio = {
+ data: [],
+ size: 0
+ },
+ timedMetadata = {
+ data: [],
+ size: 0
+ },
+ programMapTable,
+ parsePes = function parsePes(payload, pes) {
+ var ptsDtsFlags; // get the packet length, this will be 0 for video
+
+ pes.packetLength = 6 + (payload[4] << 8 | payload[5]); // find out if this packets starts a new keyframe
+
+ pes.dataAlignmentIndicator = (payload[6] & 0x04) !== 0; // PES packets may be annotated with a PTS value, or a PTS value
+ // and a DTS value. Determine what combination of values is
+ // available to work with.
+
+ ptsDtsFlags = payload[7]; // PTS and DTS are normally stored as a 33-bit number. Javascript
+ // performs all bitwise operations on 32-bit integers but javascript
+ // supports a much greater range (52-bits) of integer using standard
+ // mathematical operations.
+ // We construct a 31-bit value using bitwise operators over the 31
+ // most significant bits and then multiply by 4 (equal to a left-shift
+ // of 2) before we add the final 2 least significant bits of the
+ // timestamp (equal to an OR.)
+
+ if (ptsDtsFlags & 0xC0) {
+ // the PTS and DTS are not written out directly. For information
+ // on how they are encoded, see
+ // http://dvd.sourceforge.net/dvdinfo/pes-hdr.html
+ pes.pts = (payload[9] & 0x0E) << 27 | (payload[10] & 0xFF) << 20 | (payload[11] & 0xFE) << 12 | (payload[12] & 0xFF) << 5 | (payload[13] & 0xFE) >>> 3;
+ pes.pts *= 4; // Left shift by 2
+
+ pes.pts += (payload[13] & 0x06) >>> 1; // OR by the two LSBs
+
+ pes.dts = pes.pts;
+
+ if (ptsDtsFlags & 0x40) {
+ pes.dts = (payload[14] & 0x0E) << 27 | (payload[15] & 0xFF) << 20 | (payload[16] & 0xFE) << 12 | (payload[17] & 0xFF) << 5 | (payload[18] & 0xFE) >>> 3;
+ pes.dts *= 4; // Left shift by 2
+
+ pes.dts += (payload[18] & 0x06) >>> 1; // OR by the two LSBs
+ }
+ } // the data section starts immediately after the PES header.
+ // pes_header_data_length specifies the number of header bytes
+ // that follow the last byte of the field.
+
+
+ pes.data = payload.subarray(9 + payload[8]);
+ },
+
+ /**
+ * Pass completely parsed PES packets to the next stream in the pipeline
+ **/
+ flushStream = function flushStream(stream$$1, type, forceFlush) {
+ var packetData = new Uint8Array(stream$$1.size),
+ event = {
+ type: type
+ },
+ i = 0,
+ offset = 0,
+ packetFlushable = false,
+ fragment; // do nothing if there is not enough buffered data for a complete
+ // PES header
+
+ if (!stream$$1.data.length || stream$$1.size < 9) {
+ return;
+ }
+
+ event.trackId = stream$$1.data[0].pid; // reassemble the packet
+
+ for (i = 0; i < stream$$1.data.length; i++) {
+ fragment = stream$$1.data[i];
+ packetData.set(fragment.data, offset);
+ offset += fragment.data.byteLength;
+ } // parse assembled packet's PES header
+
+
+ parsePes(packetData, event); // non-video PES packets MUST have a non-zero PES_packet_length
+ // check that there is enough stream data to fill the packet
+
+ packetFlushable = type === 'video' || event.packetLength <= stream$$1.size; // flush pending packets if the conditions are right
+
+ if (forceFlush || packetFlushable) {
+ stream$$1.size = 0;
+ stream$$1.data.length = 0;
+ } // only emit packets that are complete. this is to avoid assembling
+ // incomplete PES packets due to poor segmentation
+
+
+ if (packetFlushable) {
+ self.trigger('data', event);
+ }
+ };
+
+ _ElementaryStream.prototype.init.call(this);
+ /**
+ * Identifies M2TS packet types and parses PES packets using metadata
+ * parsed from the PMT
+ **/
+
+
+ this.push = function (data) {
+ ({
+ pat: function pat() {// we have to wait for the PMT to arrive as well before we
+ // have any meaningful metadata
+ },
+ pes: function pes() {
+ var stream$$1, streamType;
+
+ switch (data.streamType) {
+ case streamTypes.H264_STREAM_TYPE:
+ case streamTypes.H264_STREAM_TYPE:
+ stream$$1 = video;
+ streamType = 'video';
+ break;
+
+ case streamTypes.ADTS_STREAM_TYPE:
+ stream$$1 = audio;
+ streamType = 'audio';
+ break;
+
+ case streamTypes.METADATA_STREAM_TYPE:
+ stream$$1 = timedMetadata;
+ streamType = 'timed-metadata';
+ break;
+
+ default:
+ // ignore unknown stream types
+ return;
+ } // if a new packet is starting, we can flush the completed
+ // packet
+
+
+ if (data.payloadUnitStartIndicator) {
+ flushStream(stream$$1, streamType, true);
+ } // buffer this fragment until we are sure we've received the
+ // complete payload
+
+
+ stream$$1.data.push(data);
+ stream$$1.size += data.data.byteLength;
+ },
+ pmt: function pmt() {
+ var event = {
+ type: 'metadata',
+ tracks: []
+ };
+ programMapTable = data.programMapTable; // translate audio and video streams to tracks
+
+ if (programMapTable.video !== null) {
+ event.tracks.push({
+ timelineStartInfo: {
+ baseMediaDecodeTime: 0
+ },
+ id: +programMapTable.video,
+ codec: 'avc',
+ type: 'video'
+ });
+ }
+
+ if (programMapTable.audio !== null) {
+ event.tracks.push({
+ timelineStartInfo: {
+ baseMediaDecodeTime: 0
+ },
+ id: +programMapTable.audio,
+ codec: 'adts',
+ type: 'audio'
+ });
+ }
+
+ self.trigger('data', event);
+ }
+ })[data.type]();
+ };
+
+ this.reset = function () {
+ video.size = 0;
+ video.data.length = 0;
+ audio.size = 0;
+ audio.data.length = 0;
+ this.trigger('reset');
+ };
+ /**
+ * Flush any remaining input. Video PES packets may be of variable
+ * length. Normally, the start of a new video packet can trigger the
+ * finalization of the previous packet. That is not possible if no
+ * more video is forthcoming, however. In that case, some other
+ * mechanism (like the end of the file) has to be employed. When it is
+ * clear that no additional data is forthcoming, calling this method
+ * will flush the buffered packets.
+ */
+
+
+ this.flushStreams_ = function () {
+ // !!THIS ORDER IS IMPORTANT!!
+ // video first then audio
+ flushStream(video, 'video');
+ flushStream(audio, 'audio');
+ flushStream(timedMetadata, 'timed-metadata');
+ };
+
+ this.flush = function () {
+ this.flushStreams_();
+ this.trigger('done');
+ };
+ };
+
+ _ElementaryStream.prototype = new stream();
+ var m2ts = {
+ PAT_PID: 0x0000,
+ MP2T_PACKET_LENGTH: MP2T_PACKET_LENGTH,
+ TransportPacketStream: _TransportPacketStream,
+ TransportParseStream: _TransportParseStream,
+ ElementaryStream: _ElementaryStream,
+ TimestampRolloverStream: TimestampRolloverStream$1,
+ CaptionStream: captionStream.CaptionStream,
+ Cea608Stream: captionStream.Cea608Stream,
+ MetadataStream: metadataStream
+ };
+
+ for (var type in streamTypes) {
+ if (streamTypes.hasOwnProperty(type)) {
+ m2ts[type] = streamTypes[type];
+ }
+ }
+
+ var m2ts_1 = m2ts;
+ var ONE_SECOND_IN_TS$2 = clock.ONE_SECOND_IN_TS;
+
+ var _AdtsStream;
+
+ var ADTS_SAMPLING_FREQUENCIES = [96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 7350];
+ /*
+ * Accepts a ElementaryStream and emits data events with parsed
+ * AAC Audio Frames of the individual packets. Input audio in ADTS
+ * format is unpacked and re-emitted as AAC frames.
+ *
+ * @see http://wiki.multimedia.cx/index.php?title=ADTS
+ * @see http://wiki.multimedia.cx/?title=Understanding_AAC
+ */
+
+ _AdtsStream = function AdtsStream(handlePartialSegments) {
+ var buffer,
+ frameNum = 0;
+
+ _AdtsStream.prototype.init.call(this);
+
+ this.push = function (packet) {
+ var i = 0,
+ frameLength,
+ protectionSkipBytes,
+ frameEnd,
+ oldBuffer,
+ sampleCount,
+ adtsFrameDuration;
+
+ if (!handlePartialSegments) {
+ frameNum = 0;
+ }
+
+ if (packet.type !== 'audio') {
+ // ignore non-audio data
+ return;
+ } // Prepend any data in the buffer to the input data so that we can parse
+ // aac frames the cross a PES packet boundary
+
+
+ if (buffer) {
+ oldBuffer = buffer;
+ buffer = new Uint8Array(oldBuffer.byteLength + packet.data.byteLength);
+ buffer.set(oldBuffer);
+ buffer.set(packet.data, oldBuffer.byteLength);
+ } else {
+ buffer = packet.data;
+ } // unpack any ADTS frames which have been fully received
+ // for details on the ADTS header, see http://wiki.multimedia.cx/index.php?title=ADTS
+
+
+ while (i + 5 < buffer.length) {
+ // Look for the start of an ADTS header..
+ if (buffer[i] !== 0xFF || (buffer[i + 1] & 0xF6) !== 0xF0) {
+ // If a valid header was not found, jump one forward and attempt to
+ // find a valid ADTS header starting at the next byte
+ i++;
+ continue;
+ } // The protection skip bit tells us if we have 2 bytes of CRC data at the
+ // end of the ADTS header
+
+
+ protectionSkipBytes = (~buffer[i + 1] & 0x01) * 2; // Frame length is a 13 bit integer starting 16 bits from the
+ // end of the sync sequence
+
+ frameLength = (buffer[i + 3] & 0x03) << 11 | buffer[i + 4] << 3 | (buffer[i + 5] & 0xe0) >> 5;
+ sampleCount = ((buffer[i + 6] & 0x03) + 1) * 1024;
+ adtsFrameDuration = sampleCount * ONE_SECOND_IN_TS$2 / ADTS_SAMPLING_FREQUENCIES[(buffer[i + 2] & 0x3c) >>> 2];
+ frameEnd = i + frameLength; // If we don't have enough data to actually finish this ADTS frame, return
+ // and wait for more data
+
+ if (buffer.byteLength < frameEnd) {
+ return;
+ } // Otherwise, deliver the complete AAC frame
+
+
+ this.trigger('data', {
+ pts: packet.pts + frameNum * adtsFrameDuration,
+ dts: packet.dts + frameNum * adtsFrameDuration,
+ sampleCount: sampleCount,
+ audioobjecttype: (buffer[i + 2] >>> 6 & 0x03) + 1,
+ channelcount: (buffer[i + 2] & 1) << 2 | (buffer[i + 3] & 0xc0) >>> 6,
+ samplerate: ADTS_SAMPLING_FREQUENCIES[(buffer[i + 2] & 0x3c) >>> 2],
+ samplingfrequencyindex: (buffer[i + 2] & 0x3c) >>> 2,
+ // assume ISO/IEC 14496-12 AudioSampleEntry default of 16
+ samplesize: 16,
+ data: buffer.subarray(i + 7 + protectionSkipBytes, frameEnd)
+ });
+ frameNum++; // If the buffer is empty, clear it and return
+
+ if (buffer.byteLength === frameEnd) {
+ buffer = undefined;
+ return;
+ } // Remove the finished frame from the buffer and start the process again
+
+
+ buffer = buffer.subarray(frameEnd);
+ }
+ };
+
+ this.flush = function () {
+ frameNum = 0;
+ this.trigger('done');
+ };
+
+ this.reset = function () {
+ buffer = void 0;
+ this.trigger('reset');
+ };
+
+ this.endTimeline = function () {
+ buffer = void 0;
+ this.trigger('endedtimeline');
+ };
+ };
+
+ _AdtsStream.prototype = new stream();
+ var adts = _AdtsStream;
+ /**
+ * mux.js
+ *
+ * Copyright (c) Brightcove
+ * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE
+ */
+
+ var ExpGolomb;
+ /**
+ * Parser for exponential Golomb codes, a variable-bitwidth number encoding
+ * scheme used by h264.
+ */
+
+ ExpGolomb = function ExpGolomb(workingData) {
+ var // the number of bytes left to examine in workingData
+ workingBytesAvailable = workingData.byteLength,
+ // the current word being examined
+ workingWord = 0,
+ // :uint
+ // the number of bits left to examine in the current word
+ workingBitsAvailable = 0; // :uint;
+ // ():uint
+
+ this.length = function () {
+ return 8 * workingBytesAvailable;
+ }; // ():uint
+
+
+ this.bitsAvailable = function () {
+ return 8 * workingBytesAvailable + workingBitsAvailable;
+ }; // ():void
+
+
+ this.loadWord = function () {
+ var position = workingData.byteLength - workingBytesAvailable,
+ workingBytes = new Uint8Array(4),
+ availableBytes = Math.min(4, workingBytesAvailable);
+
+ if (availableBytes === 0) {
+ throw new Error('no bytes available');
+ }
+
+ workingBytes.set(workingData.subarray(position, position + availableBytes));
+ workingWord = new DataView(workingBytes.buffer).getUint32(0); // track the amount of workingData that has been processed
+
+ workingBitsAvailable = availableBytes * 8;
+ workingBytesAvailable -= availableBytes;
+ }; // (count:int):void
+
+
+ this.skipBits = function (count) {
+ var skipBytes; // :int
+
+ if (workingBitsAvailable > count) {
+ workingWord <<= count;
+ workingBitsAvailable -= count;
+ } else {
+ count -= workingBitsAvailable;
+ skipBytes = Math.floor(count / 8);
+ count -= skipBytes * 8;
+ workingBytesAvailable -= skipBytes;
+ this.loadWord();
+ workingWord <<= count;
+ workingBitsAvailable -= count;
+ }
+ }; // (size:int):uint
+
+
+ this.readBits = function (size) {
+ var bits = Math.min(workingBitsAvailable, size),
+ // :uint
+ valu = workingWord >>> 32 - bits; // :uint
+ // if size > 31, handle error
+
+ workingBitsAvailable -= bits;
+
+ if (workingBitsAvailable > 0) {
+ workingWord <<= bits;
+ } else if (workingBytesAvailable > 0) {
+ this.loadWord();
+ }
+
+ bits = size - bits;
+
+ if (bits > 0) {
+ return valu << bits | this.readBits(bits);
+ }
+
+ return valu;
+ }; // ():uint
+
+
+ this.skipLeadingZeros = function () {
+ var leadingZeroCount; // :uint
+
+ for (leadingZeroCount = 0; leadingZeroCount < workingBitsAvailable; ++leadingZeroCount) {
+ if ((workingWord & 0x80000000 >>> leadingZeroCount) !== 0) {
+ // the first bit of working word is 1
+ workingWord <<= leadingZeroCount;
+ workingBitsAvailable -= leadingZeroCount;
+ return leadingZeroCount;
+ }
+ } // we exhausted workingWord and still have not found a 1
+
+
+ this.loadWord();
+ return leadingZeroCount + this.skipLeadingZeros();
+ }; // ():void
+
+
+ this.skipUnsignedExpGolomb = function () {
+ this.skipBits(1 + this.skipLeadingZeros());
+ }; // ():void
+
+
+ this.skipExpGolomb = function () {
+ this.skipBits(1 + this.skipLeadingZeros());
+ }; // ():uint
+
+
+ this.readUnsignedExpGolomb = function () {
+ var clz = this.skipLeadingZeros(); // :uint
+
+ return this.readBits(clz + 1) - 1;
+ }; // ():int
+
+
+ this.readExpGolomb = function () {
+ var valu = this.readUnsignedExpGolomb(); // :int
+
+ if (0x01 & valu) {
+ // the number is odd if the low order bit is set
+ return 1 + valu >>> 1; // add 1 to make it even, and divide by 2
+ }
+
+ return -1 * (valu >>> 1); // divide by two then make it negative
+ }; // Some convenience functions
+ // :Boolean
+
+
+ this.readBoolean = function () {
+ return this.readBits(1) === 1;
+ }; // ():int
+
+
+ this.readUnsignedByte = function () {
+ return this.readBits(8);
+ };
+
+ this.loadWord();
+ };
+
+ var expGolomb = ExpGolomb;
+
+ var _H264Stream, _NalByteStream;
+
+ var PROFILES_WITH_OPTIONAL_SPS_DATA;
+ /**
+ * Accepts a NAL unit byte stream and unpacks the embedded NAL units.
+ */
+
+ _NalByteStream = function NalByteStream() {
+ var syncPoint = 0,
+ i,
+ buffer;
+
+ _NalByteStream.prototype.init.call(this);
+ /*
+ * Scans a byte stream and triggers a data event with the NAL units found.
+ * @param {Object} data Event received from H264Stream
+ * @param {Uint8Array} data.data The h264 byte stream to be scanned
+ *
+ * @see H264Stream.push
+ */
+
+
+ this.push = function (data) {
+ var swapBuffer;
+
+ if (!buffer) {
+ buffer = data.data;
+ } else {
+ swapBuffer = new Uint8Array(buffer.byteLength + data.data.byteLength);
+ swapBuffer.set(buffer);
+ swapBuffer.set(data.data, buffer.byteLength);
+ buffer = swapBuffer;
+ }
+
+ var len = buffer.byteLength; // Rec. ITU-T H.264, Annex B
+ // scan for NAL unit boundaries
+ // a match looks like this:
+ // 0 0 1 .. NAL .. 0 0 1
+ // ^ sync point ^ i
+ // or this:
+ // 0 0 1 .. NAL .. 0 0 0
+ // ^ sync point ^ i
+ // advance the sync point to a NAL start, if necessary
+
+ for (; syncPoint < len - 3; syncPoint++) {
+ if (buffer[syncPoint + 2] === 1) {
+ // the sync point is properly aligned
+ i = syncPoint + 5;
+ break;
+ }
+ }
+
+ while (i < len) {
+ // look at the current byte to determine if we've hit the end of
+ // a NAL unit boundary
+ switch (buffer[i]) {
+ case 0:
+ // skip past non-sync sequences
+ if (buffer[i - 1] !== 0) {
+ i += 2;
+ break;
+ } else if (buffer[i - 2] !== 0) {
+ i++;
+ break;
+ } // deliver the NAL unit if it isn't empty
+
+
+ if (syncPoint + 3 !== i - 2) {
+ this.trigger('data', buffer.subarray(syncPoint + 3, i - 2));
+ } // drop trailing zeroes
+
+
+ do {
+ i++;
+ } while (buffer[i] !== 1 && i < len);
+
+ syncPoint = i - 2;
+ i += 3;
+ break;
+
+ case 1:
+ // skip past non-sync sequences
+ if (buffer[i - 1] !== 0 || buffer[i - 2] !== 0) {
+ i += 3;
+ break;
+ } // deliver the NAL unit
+
+
+ this.trigger('data', buffer.subarray(syncPoint + 3, i - 2));
+ syncPoint = i - 2;
+ i += 3;
+ break;
+
+ default:
+ // the current byte isn't a one or zero, so it cannot be part
+ // of a sync sequence
+ i += 3;
+ break;
+ }
+ } // filter out the NAL units that were delivered
+
+
+ buffer = buffer.subarray(syncPoint);
+ i -= syncPoint;
+ syncPoint = 0;
+ };
+
+ this.reset = function () {
+ buffer = null;
+ syncPoint = 0;
+ this.trigger('reset');
+ };
+
+ this.flush = function () {
+ // deliver the last buffered NAL unit
+ if (buffer && buffer.byteLength > 3) {
+ this.trigger('data', buffer.subarray(syncPoint + 3));
+ } // reset the stream state
+
+
+ buffer = null;
+ syncPoint = 0;
+ this.trigger('done');
+ };
+
+ this.endTimeline = function () {
+ this.flush();
+ this.trigger('endedtimeline');
+ };
+ };
+
+ _NalByteStream.prototype = new stream(); // values of profile_idc that indicate additional fields are included in the SPS
+ // see Recommendation ITU-T H.264 (4/2013),
+ // 7.3.2.1.1 Sequence parameter set data syntax
+
+ PROFILES_WITH_OPTIONAL_SPS_DATA = {
+ 100: true,
+ 110: true,
+ 122: true,
+ 244: true,
+ 44: true,
+ 83: true,
+ 86: true,
+ 118: true,
+ 128: true,
+ 138: true,
+ 139: true,
+ 134: true
+ };
+ /**
+ * Accepts input from a ElementaryStream and produces H.264 NAL unit data
+ * events.
+ */
+
+ _H264Stream = function H264Stream() {
+ var nalByteStream = new _NalByteStream(),
+ self,
+ trackId,
+ currentPts,
+ currentDts,
+ discardEmulationPreventionBytes,
+ readSequenceParameterSet,
+ skipScalingList;
+
+ _H264Stream.prototype.init.call(this);
+
+ self = this;
+ /*
+ * Pushes a packet from a stream onto the NalByteStream
+ *
+ * @param {Object} packet - A packet received from a stream
+ * @param {Uint8Array} packet.data - The raw bytes of the packet
+ * @param {Number} packet.dts - Decode timestamp of the packet
+ * @param {Number} packet.pts - Presentation timestamp of the packet
+ * @param {Number} packet.trackId - The id of the h264 track this packet came from
+ * @param {('video'|'audio')} packet.type - The type of packet
+ *
+ */
+
+ this.push = function (packet) {
+ if (packet.type !== 'video') {
+ return;
+ }
+
+ trackId = packet.trackId;
+ currentPts = packet.pts;
+ currentDts = packet.dts;
+ nalByteStream.push(packet);
+ };
+ /*
+ * Identify NAL unit types and pass on the NALU, trackId, presentation and decode timestamps
+ * for the NALUs to the next stream component.
+ * Also, preprocess caption and sequence parameter NALUs.
+ *
+ * @param {Uint8Array} data - A NAL unit identified by `NalByteStream.push`
+ * @see NalByteStream.push
+ */
+
+
+ nalByteStream.on('data', function (data) {
+ var event = {
+ trackId: trackId,
+ pts: currentPts,
+ dts: currentDts,
+ data: data
+ };
+
+ switch (data[0] & 0x1f) {
+ case 0x05:
+ event.nalUnitType = 'slice_layer_without_partitioning_rbsp_idr';
+ break;
+
+ case 0x06:
+ event.nalUnitType = 'sei_rbsp';
+ event.escapedRBSP = discardEmulationPreventionBytes(data.subarray(1));
+ break;
+
+ case 0x07:
+ event.nalUnitType = 'seq_parameter_set_rbsp';
+ event.escapedRBSP = discardEmulationPreventionBytes(data.subarray(1));
+ event.config = readSequenceParameterSet(event.escapedRBSP);
+ break;
+
+ case 0x08:
+ event.nalUnitType = 'pic_parameter_set_rbsp';
+ break;
+
+ case 0x09:
+ event.nalUnitType = 'access_unit_delimiter_rbsp';
+ break;
+ } // This triggers data on the H264Stream
+
+
+ self.trigger('data', event);
+ });
+ nalByteStream.on('done', function () {
+ self.trigger('done');
+ });
+ nalByteStream.on('partialdone', function () {
+ self.trigger('partialdone');
+ });
+ nalByteStream.on('reset', function () {
+ self.trigger('reset');
+ });
+ nalByteStream.on('endedtimeline', function () {
+ self.trigger('endedtimeline');
+ });
+
+ this.flush = function () {
+ nalByteStream.flush();
+ };
+
+ this.partialFlush = function () {
+ nalByteStream.partialFlush();
+ };
+
+ this.reset = function () {
+ nalByteStream.reset();
+ };
+
+ this.endTimeline = function () {
+ nalByteStream.endTimeline();
+ };
+ /**
+ * Advance the ExpGolomb decoder past a scaling list. The scaling
+ * list is optionally transmitted as part of a sequence parameter
+ * set and is not relevant to transmuxing.
+ * @param count {number} the number of entries in this scaling list
+ * @param expGolombDecoder {object} an ExpGolomb pointed to the
+ * start of a scaling list
+ * @see Recommendation ITU-T H.264, Section 7.3.2.1.1.1
+ */
+
+
+ skipScalingList = function skipScalingList(count, expGolombDecoder) {
+ var lastScale = 8,
+ nextScale = 8,
+ j,
+ deltaScale;
+
+ for (j = 0; j < count; j++) {
+ if (nextScale !== 0) {
+ deltaScale = expGolombDecoder.readExpGolomb();
+ nextScale = (lastScale + deltaScale + 256) % 256;
+ }
+
+ lastScale = nextScale === 0 ? lastScale : nextScale;
+ }
+ };
+ /**
+ * Expunge any "Emulation Prevention" bytes from a "Raw Byte
+ * Sequence Payload"
+ * @param data {Uint8Array} the bytes of a RBSP from a NAL
+ * unit
+ * @return {Uint8Array} the RBSP without any Emulation
+ * Prevention Bytes
+ */
+
+
+ discardEmulationPreventionBytes = function discardEmulationPreventionBytes(data) {
+ var length = data.byteLength,
+ emulationPreventionBytesPositions = [],
+ i = 1,
+ newLength,
+ newData; // Find all `Emulation Prevention Bytes`
+
+ while (i < length - 2) {
+ if (data[i] === 0 && data[i + 1] === 0 && data[i + 2] === 0x03) {
+ emulationPreventionBytesPositions.push(i + 2);
+ i += 2;
+ } else {
+ i++;
+ }
+ } // If no Emulation Prevention Bytes were found just return the original
+ // array
+
+
+ if (emulationPreventionBytesPositions.length === 0) {
+ return data;
+ } // Create a new array to hold the NAL unit data
+
+
+ newLength = length - emulationPreventionBytesPositions.length;
+ newData = new Uint8Array(newLength);
+ var sourceIndex = 0;
+
+ for (i = 0; i < newLength; sourceIndex++, i++) {
+ if (sourceIndex === emulationPreventionBytesPositions[0]) {
+ // Skip this byte
+ sourceIndex++; // Remove this position index
+
+ emulationPreventionBytesPositions.shift();
+ }
+
+ newData[i] = data[sourceIndex];
+ }
+
+ return newData;
+ };
+ /**
+ * Read a sequence parameter set and return some interesting video
+ * properties. A sequence parameter set is the H264 metadata that
+ * describes the properties of upcoming video frames.
+ * @param data {Uint8Array} the bytes of a sequence parameter set
+ * @return {object} an object with configuration parsed from the
+ * sequence parameter set, including the dimensions of the
+ * associated video frames.
+ */
+
+
+ readSequenceParameterSet = function readSequenceParameterSet(data) {
+ var frameCropLeftOffset = 0,
+ frameCropRightOffset = 0,
+ frameCropTopOffset = 0,
+ frameCropBottomOffset = 0,
+ sarScale = 1,
+ expGolombDecoder,
+ profileIdc,
+ levelIdc,
+ profileCompatibility,
+ chromaFormatIdc,
+ picOrderCntType,
+ numRefFramesInPicOrderCntCycle,
+ picWidthInMbsMinus1,
+ picHeightInMapUnitsMinus1,
+ frameMbsOnlyFlag,
+ scalingListCount,
+ sarRatio,
+ aspectRatioIdc,
+ i;
+ expGolombDecoder = new expGolomb(data);
+ profileIdc = expGolombDecoder.readUnsignedByte(); // profile_idc
+
+ profileCompatibility = expGolombDecoder.readUnsignedByte(); // constraint_set[0-5]_flag
+
+ levelIdc = expGolombDecoder.readUnsignedByte(); // level_idc u(8)
+
+ expGolombDecoder.skipUnsignedExpGolomb(); // seq_parameter_set_id
+ // some profiles have more optional data we don't need
+
+ if (PROFILES_WITH_OPTIONAL_SPS_DATA[profileIdc]) {
+ chromaFormatIdc = expGolombDecoder.readUnsignedExpGolomb();
+
+ if (chromaFormatIdc === 3) {
+ expGolombDecoder.skipBits(1); // separate_colour_plane_flag
+ }
+
+ expGolombDecoder.skipUnsignedExpGolomb(); // bit_depth_luma_minus8
+
+ expGolombDecoder.skipUnsignedExpGolomb(); // bit_depth_chroma_minus8
+
+ expGolombDecoder.skipBits(1); // qpprime_y_zero_transform_bypass_flag
+
+ if (expGolombDecoder.readBoolean()) {
+ // seq_scaling_matrix_present_flag
+ scalingListCount = chromaFormatIdc !== 3 ? 8 : 12;
+
+ for (i = 0; i < scalingListCount; i++) {
+ if (expGolombDecoder.readBoolean()) {
+ // seq_scaling_list_present_flag[ i ]
+ if (i < 6) {
+ skipScalingList(16, expGolombDecoder);
+ } else {
+ skipScalingList(64, expGolombDecoder);
+ }
+ }
+ }
+ }
+ }
+
+ expGolombDecoder.skipUnsignedExpGolomb(); // log2_max_frame_num_minus4
+
+ picOrderCntType = expGolombDecoder.readUnsignedExpGolomb();
+
+ if (picOrderCntType === 0) {
+ expGolombDecoder.readUnsignedExpGolomb(); // log2_max_pic_order_cnt_lsb_minus4
+ } else if (picOrderCntType === 1) {
+ expGolombDecoder.skipBits(1); // delta_pic_order_always_zero_flag
+
+ expGolombDecoder.skipExpGolomb(); // offset_for_non_ref_pic
+
+ expGolombDecoder.skipExpGolomb(); // offset_for_top_to_bottom_field
+
+ numRefFramesInPicOrderCntCycle = expGolombDecoder.readUnsignedExpGolomb();
+
+ for (i = 0; i < numRefFramesInPicOrderCntCycle; i++) {
+ expGolombDecoder.skipExpGolomb(); // offset_for_ref_frame[ i ]
+ }
+ }
+
+ expGolombDecoder.skipUnsignedExpGolomb(); // max_num_ref_frames
+
+ expGolombDecoder.skipBits(1); // gaps_in_frame_num_value_allowed_flag
+
+ picWidthInMbsMinus1 = expGolombDecoder.readUnsignedExpGolomb();
+ picHeightInMapUnitsMinus1 = expGolombDecoder.readUnsignedExpGolomb();
+ frameMbsOnlyFlag = expGolombDecoder.readBits(1);
+
+ if (frameMbsOnlyFlag === 0) {
+ expGolombDecoder.skipBits(1); // mb_adaptive_frame_field_flag
+ }
+
+ expGolombDecoder.skipBits(1); // direct_8x8_inference_flag
+
+ if (expGolombDecoder.readBoolean()) {
+ // frame_cropping_flag
+ frameCropLeftOffset = expGolombDecoder.readUnsignedExpGolomb();
+ frameCropRightOffset = expGolombDecoder.readUnsignedExpGolomb();
+ frameCropTopOffset = expGolombDecoder.readUnsignedExpGolomb();
+ frameCropBottomOffset = expGolombDecoder.readUnsignedExpGolomb();
+ }
+
+ if (expGolombDecoder.readBoolean()) {
+ // vui_parameters_present_flag
+ if (expGolombDecoder.readBoolean()) {
+ // aspect_ratio_info_present_flag
+ aspectRatioIdc = expGolombDecoder.readUnsignedByte();
+
+ switch (aspectRatioIdc) {
+ case 1:
+ sarRatio = [1, 1];
+ break;
+
+ case 2:
+ sarRatio = [12, 11];
+ break;
+
+ case 3:
+ sarRatio = [10, 11];
+ break;
+
+ case 4:
+ sarRatio = [16, 11];
+ break;
+
+ case 5:
+ sarRatio = [40, 33];
+ break;
+
+ case 6:
+ sarRatio = [24, 11];
+ break;
+
+ case 7:
+ sarRatio = [20, 11];
+ break;
+
+ case 8:
+ sarRatio = [32, 11];
+ break;
+
+ case 9:
+ sarRatio = [80, 33];
+ break;
+
+ case 10:
+ sarRatio = [18, 11];
+ break;
+
+ case 11:
+ sarRatio = [15, 11];
+ break;
+
+ case 12:
+ sarRatio = [64, 33];
+ break;
+
+ case 13:
+ sarRatio = [160, 99];
+ break;
+
+ case 14:
+ sarRatio = [4, 3];
+ break;
+
+ case 15:
+ sarRatio = [3, 2];
+ break;
+
+ case 16:
+ sarRatio = [2, 1];
+ break;
+
+ case 255:
+ {
+ sarRatio = [expGolombDecoder.readUnsignedByte() << 8 | expGolombDecoder.readUnsignedByte(), expGolombDecoder.readUnsignedByte() << 8 | expGolombDecoder.readUnsignedByte()];
+ break;
+ }
+ }
+
+ if (sarRatio) {
+ sarScale = sarRatio[0] / sarRatio[1];
+ }
+ }
+ }
+
+ return {
+ profileIdc: profileIdc,
+ levelIdc: levelIdc,
+ profileCompatibility: profileCompatibility,
+ width: Math.ceil(((picWidthInMbsMinus1 + 1) * 16 - frameCropLeftOffset * 2 - frameCropRightOffset * 2) * sarScale),
+ height: (2 - frameMbsOnlyFlag) * (picHeightInMapUnitsMinus1 + 1) * 16 - frameCropTopOffset * 2 - frameCropBottomOffset * 2,
+ sarRatio: sarRatio
+ };
+ };
+ };
+
+ _H264Stream.prototype = new stream();
+ var h264 = {
+ H264Stream: _H264Stream,
+ NalByteStream: _NalByteStream
+ };
+ /**
+ * mux.js
+ *
+ * Copyright (c) Brightcove
+ * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE
+ *
+ * Utilities to detect basic properties and metadata about Aac data.
+ */
+
+ var ADTS_SAMPLING_FREQUENCIES$1 = [96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 7350];
+
+ var isLikelyAacData = function isLikelyAacData(data) {
+ if (data[0] === 'I'.charCodeAt(0) && data[1] === 'D'.charCodeAt(0) && data[2] === '3'.charCodeAt(0)) {
+ return true;
+ }
+
+ return false;
+ };
+
+ var parseSyncSafeInteger$1 = function parseSyncSafeInteger(data) {
+ return data[0] << 21 | data[1] << 14 | data[2] << 7 | data[3];
+ }; // return a percent-encoded representation of the specified byte range
+ // @see http://en.wikipedia.org/wiki/Percent-encoding
+
+
+ var percentEncode$1 = function percentEncode(bytes, start, end) {
+ var i,
+ result = '';
+
+ for (i = start; i < end; i++) {
+ result += '%' + ('00' + bytes[i].toString(16)).slice(-2);
+ }
+
+ return result;
+ }; // return the string representation of the specified byte range,
+ // interpreted as ISO-8859-1.
+
+
+ var parseIso88591$1 = function parseIso88591(bytes, start, end) {
+ return unescape(percentEncode$1(bytes, start, end)); // jshint ignore:line
+ };
+
+ var parseId3TagSize = function parseId3TagSize(header, byteIndex) {
+ var returnSize = header[byteIndex + 6] << 21 | header[byteIndex + 7] << 14 | header[byteIndex + 8] << 7 | header[byteIndex + 9],
+ flags = header[byteIndex + 5],
+ footerPresent = (flags & 16) >> 4;
+
+ if (footerPresent) {
+ return returnSize + 20;
+ }
+
+ return returnSize + 10;
+ };
+
+ var parseAdtsSize = function parseAdtsSize(header, byteIndex) {
+ var lowThree = (header[byteIndex + 5] & 0xE0) >> 5,
+ middle = header[byteIndex + 4] << 3,
+ highTwo = header[byteIndex + 3] & 0x3 << 11;
+ return highTwo | middle | lowThree;
+ };
+
+ var parseType = function parseType(header, byteIndex) {
+ if (header[byteIndex] === 'I'.charCodeAt(0) && header[byteIndex + 1] === 'D'.charCodeAt(0) && header[byteIndex + 2] === '3'.charCodeAt(0)) {
+ return 'timed-metadata';
+ } else if (header[byteIndex] & 0xff === 0xff && (header[byteIndex + 1] & 0xf0) === 0xf0) {
+ return 'audio';
+ }
+
+ return null;
+ };
+
+ var parseSampleRate = function parseSampleRate(packet) {
+ var i = 0;
+
+ while (i + 5 < packet.length) {
+ if (packet[i] !== 0xFF || (packet[i + 1] & 0xF6) !== 0xF0) {
+ // If a valid header was not found, jump one forward and attempt to
+ // find a valid ADTS header starting at the next byte
+ i++;
+ continue;
+ }
+
+ return ADTS_SAMPLING_FREQUENCIES$1[(packet[i + 2] & 0x3c) >>> 2];
+ }
+
+ return null;
+ };
+
+ var parseAacTimestamp = function parseAacTimestamp(packet) {
+ var frameStart, frameSize, frame, frameHeader; // find the start of the first frame and the end of the tag
+
+ frameStart = 10;
+
+ if (packet[5] & 0x40) {
+ // advance the frame start past the extended header
+ frameStart += 4; // header size field
+
+ frameStart += parseSyncSafeInteger$1(packet.subarray(10, 14));
+ } // parse one or more ID3 frames
+ // http://id3.org/id3v2.3.0#ID3v2_frame_overview
+
+
+ do {
+ // determine the number of bytes in this frame
+ frameSize = parseSyncSafeInteger$1(packet.subarray(frameStart + 4, frameStart + 8));
+
+ if (frameSize < 1) {
+ return null;
+ }
+
+ frameHeader = String.fromCharCode(packet[frameStart], packet[frameStart + 1], packet[frameStart + 2], packet[frameStart + 3]);
+
+ if (frameHeader === 'PRIV') {
+ frame = packet.subarray(frameStart + 10, frameStart + frameSize + 10);
+
+ for (var i = 0; i < frame.byteLength; i++) {
+ if (frame[i] === 0) {
+ var owner = parseIso88591$1(frame, 0, i);
+
+ if (owner === 'com.apple.streaming.transportStreamTimestamp') {
+ var d = frame.subarray(i + 1);
+ var size = (d[3] & 0x01) << 30 | d[4] << 22 | d[5] << 14 | d[6] << 6 | d[7] >>> 2;
+ size *= 4;
+ size += d[7] & 0x03;
+ return size;
+ }
+
+ break;
+ }
+ }
+ }
+
+ frameStart += 10; // advance past the frame header
+
+ frameStart += frameSize; // advance past the frame body
+ } while (frameStart < packet.byteLength);
+
+ return null;
+ };
+
+ var utils = {
+ isLikelyAacData: isLikelyAacData,
+ parseId3TagSize: parseId3TagSize,
+ parseAdtsSize: parseAdtsSize,
+ parseType: parseType,
+ parseSampleRate: parseSampleRate,
+ parseAacTimestamp: parseAacTimestamp
+ }; // Constants
+
+ var _AacStream;
+ /**
+ * Splits an incoming stream of binary data into ADTS and ID3 Frames.
+ */
+
+
+ _AacStream = function AacStream() {
+ var everything = new Uint8Array(),
+ timeStamp = 0;
+
+ _AacStream.prototype.init.call(this);
+
+ this.setTimestamp = function (timestamp) {
+ timeStamp = timestamp;
+ };
+
+ this.push = function (bytes) {
+ var frameSize = 0,
+ byteIndex = 0,
+ bytesLeft,
+ chunk,
+ packet,
+ tempLength; // If there are bytes remaining from the last segment, prepend them to the
+ // bytes that were pushed in
+
+ if (everything.length) {
+ tempLength = everything.length;
+ everything = new Uint8Array(bytes.byteLength + tempLength);
+ everything.set(everything.subarray(0, tempLength));
+ everything.set(bytes, tempLength);
+ } else {
+ everything = bytes;
+ }
+
+ while (everything.length - byteIndex >= 3) {
+ if (everything[byteIndex] === 'I'.charCodeAt(0) && everything[byteIndex + 1] === 'D'.charCodeAt(0) && everything[byteIndex + 2] === '3'.charCodeAt(0)) {
+ // Exit early because we don't have enough to parse
+ // the ID3 tag header
+ if (everything.length - byteIndex < 10) {
+ break;
+ } // check framesize
+
+
+ frameSize = utils.parseId3TagSize(everything, byteIndex); // Exit early if we don't have enough in the buffer
+ // to emit a full packet
+ // Add to byteIndex to support multiple ID3 tags in sequence
+
+ if (byteIndex + frameSize > everything.length) {
+ break;
+ }
+
+ chunk = {
+ type: 'timed-metadata',
+ data: everything.subarray(byteIndex, byteIndex + frameSize)
+ };
+ this.trigger('data', chunk);
+ byteIndex += frameSize;
+ continue;
+ } else if ((everything[byteIndex] & 0xff) === 0xff && (everything[byteIndex + 1] & 0xf0) === 0xf0) {
+ // Exit early because we don't have enough to parse
+ // the ADTS frame header
+ if (everything.length - byteIndex < 7) {
+ break;
+ }
+
+ frameSize = utils.parseAdtsSize(everything, byteIndex); // Exit early if we don't have enough in the buffer
+ // to emit a full packet
+
+ if (byteIndex + frameSize > everything.length) {
+ break;
+ }
+
+ packet = {
+ type: 'audio',
+ data: everything.subarray(byteIndex, byteIndex + frameSize),
+ pts: timeStamp,
+ dts: timeStamp
+ };
+ this.trigger('data', packet);
+ byteIndex += frameSize;
+ continue;
+ }
+
+ byteIndex++;
+ }
+
+ bytesLeft = everything.length - byteIndex;
+
+ if (bytesLeft > 0) {
+ everything = everything.subarray(byteIndex);
+ } else {
+ everything = new Uint8Array();
+ }
+ };
+
+ this.reset = function () {
+ everything = new Uint8Array();
+ this.trigger('reset');
+ };
+
+ this.endTimeline = function () {
+ everything = new Uint8Array();
+ this.trigger('endedtimeline');
+ };
+ };
+
+ _AacStream.prototype = new stream();
+ var aac = _AacStream;
+ var H264Stream = h264.H264Stream;
+ var isLikelyAacData$1 = utils.isLikelyAacData;
+ var ONE_SECOND_IN_TS$3 = clock.ONE_SECOND_IN_TS; // constants
+
+ var AUDIO_PROPERTIES = ['audioobjecttype', 'channelcount', 'samplerate', 'samplingfrequencyindex', 'samplesize'];
+ var VIDEO_PROPERTIES = ['width', 'height', 'profileIdc', 'levelIdc', 'profileCompatibility', 'sarRatio']; // object types
+
+ var _VideoSegmentStream, _AudioSegmentStream, _Transmuxer, _CoalesceStream;
+ /**
+ * Compare two arrays (even typed) for same-ness
+ */
+
+
+ var arrayEquals = function arrayEquals(a, b) {
+ var i;
+
+ if (a.length !== b.length) {
+ return false;
+ } // compare the value of each element in the array
+
+
+ for (i = 0; i < a.length; i++) {
+ if (a[i] !== b[i]) {
+ return false;
+ }
+ }
+
+ return true;
+ };
+
+ var generateVideoSegmentTimingInfo = function generateVideoSegmentTimingInfo(baseMediaDecodeTime, startDts, startPts, endDts, endPts, prependedContentDuration) {
+ var ptsOffsetFromDts = startPts - startDts,
+ decodeDuration = endDts - startDts,
+ presentationDuration = endPts - startPts; // The PTS and DTS values are based on the actual stream times from the segment,
+ // however, the player time values will reflect a start from the baseMediaDecodeTime.
+ // In order to provide relevant values for the player times, base timing info on the
+ // baseMediaDecodeTime and the DTS and PTS durations of the segment.
+
+ return {
+ start: {
+ dts: baseMediaDecodeTime,
+ pts: baseMediaDecodeTime + ptsOffsetFromDts
+ },
+ end: {
+ dts: baseMediaDecodeTime + decodeDuration,
+ pts: baseMediaDecodeTime + presentationDuration
+ },
+ prependedContentDuration: prependedContentDuration,
+ baseMediaDecodeTime: baseMediaDecodeTime
+ };
+ };
+ /**
+ * Constructs a single-track, ISO BMFF media segment from AAC data
+ * events. The output of this stream can be fed to a SourceBuffer
+ * configured with a suitable initialization segment.
+ * @param track {object} track metadata configuration
+ * @param options {object} transmuxer options object
+ * @param options.keepOriginalTimestamps {boolean} If true, keep the timestamps
+ * in the source; false to adjust the first segment to start at 0.
+ */
+
+
+ _AudioSegmentStream = function AudioSegmentStream(track, options) {
+ var adtsFrames = [],
+ sequenceNumber = 0,
+ earliestAllowedDts = 0,
+ audioAppendStartTs = 0,
+ videoBaseMediaDecodeTime = Infinity;
+ options = options || {};
+
+ _AudioSegmentStream.prototype.init.call(this);
+
+ this.push = function (data) {
+ trackDecodeInfo.collectDtsInfo(track, data);
+
+ if (track) {
+ AUDIO_PROPERTIES.forEach(function (prop) {
+ track[prop] = data[prop];
+ });
+ } // buffer audio data until end() is called
+
+
+ adtsFrames.push(data);
+ };
+
+ this.setEarliestDts = function (earliestDts) {
+ earliestAllowedDts = earliestDts - track.timelineStartInfo.baseMediaDecodeTime;
+ };
+
+ this.setVideoBaseMediaDecodeTime = function (baseMediaDecodeTime) {
+ videoBaseMediaDecodeTime = baseMediaDecodeTime;
+ };
+
+ this.setAudioAppendStart = function (timestamp) {
+ audioAppendStartTs = timestamp;
+ };
+
+ this.flush = function () {
+ var frames, moof, mdat, boxes, frameDuration; // return early if no audio data has been observed
+
+ if (adtsFrames.length === 0) {
+ this.trigger('done', 'AudioSegmentStream');
+ return;
+ }
+
+ frames = audioFrameUtils.trimAdtsFramesByEarliestDts(adtsFrames, track, earliestAllowedDts);
+ track.baseMediaDecodeTime = trackDecodeInfo.calculateTrackBaseMediaDecodeTime(track, options.keepOriginalTimestamps);
+ audioFrameUtils.prefixWithSilence(track, frames, audioAppendStartTs, videoBaseMediaDecodeTime); // we have to build the index from byte locations to
+ // samples (that is, adts frames) in the audio data
+
+ track.samples = audioFrameUtils.generateSampleTable(frames); // concatenate the audio data to constuct the mdat
+
+ mdat = mp4Generator.mdat(audioFrameUtils.concatenateFrameData(frames));
+ adtsFrames = [];
+ moof = mp4Generator.moof(sequenceNumber, [track]);
+ boxes = new Uint8Array(moof.byteLength + mdat.byteLength); // bump the sequence number for next time
+
+ sequenceNumber++;
+ boxes.set(moof);
+ boxes.set(mdat, moof.byteLength);
+ trackDecodeInfo.clearDtsInfo(track);
+ frameDuration = Math.ceil(ONE_SECOND_IN_TS$3 * 1024 / track.samplerate); // TODO this check was added to maintain backwards compatibility (particularly with
+ // tests) on adding the timingInfo event. However, it seems unlikely that there's a
+ // valid use-case where an init segment/data should be triggered without associated
+ // frames. Leaving for now, but should be looked into.
+
+ if (frames.length) {
+ this.trigger('timingInfo', {
+ start: frames[0].pts,
+ end: frames[0].pts + frames.length * frameDuration
+ });
+ }
+
+ this.trigger('data', {
+ track: track,
+ boxes: boxes
+ });
+ this.trigger('done', 'AudioSegmentStream');
+ };
+
+ this.reset = function () {
+ trackDecodeInfo.clearDtsInfo(track);
+ adtsFrames = [];
+ this.trigger('reset');
+ };
+ };
+
+ _AudioSegmentStream.prototype = new stream();
+ /**
+ * Constructs a single-track, ISO BMFF media segment from H264 data
+ * events. The output of this stream can be fed to a SourceBuffer
+ * configured with a suitable initialization segment.
+ * @param track {object} track metadata configuration
+ * @param options {object} transmuxer options object
+ * @param options.alignGopsAtEnd {boolean} If true, start from the end of the
+ * gopsToAlignWith list when attempting to align gop pts
+ * @param options.keepOriginalTimestamps {boolean} If true, keep the timestamps
+ * in the source; false to adjust the first segment to start at 0.
+ */
+
+ _VideoSegmentStream = function VideoSegmentStream(track, options) {
+ var sequenceNumber = 0,
+ nalUnits = [],
+ gopsToAlignWith = [],
+ config,
+ pps;
+ options = options || {};
+
+ _VideoSegmentStream.prototype.init.call(this);
+
+ delete track.minPTS;
+ this.gopCache_ = [];
+ /**
+ * Constructs a ISO BMFF segment given H264 nalUnits
+ * @param {Object} nalUnit A data event representing a nalUnit
+ * @param {String} nalUnit.nalUnitType
+ * @param {Object} nalUnit.config Properties for a mp4 track
+ * @param {Uint8Array} nalUnit.data The nalUnit bytes
+ * @see lib/codecs/h264.js
+ **/
+
+ this.push = function (nalUnit) {
+ trackDecodeInfo.collectDtsInfo(track, nalUnit); // record the track config
+
+ if (nalUnit.nalUnitType === 'seq_parameter_set_rbsp' && !config) {
+ config = nalUnit.config;
+ track.sps = [nalUnit.data];
+ VIDEO_PROPERTIES.forEach(function (prop) {
+ track[prop] = config[prop];
+ }, this);
+ }
+
+ if (nalUnit.nalUnitType === 'pic_parameter_set_rbsp' && !pps) {
+ pps = nalUnit.data;
+ track.pps = [nalUnit.data];
+ } // buffer video until flush() is called
+
+
+ nalUnits.push(nalUnit);
+ };
+ /**
+ * Pass constructed ISO BMFF track and boxes on to the
+ * next stream in the pipeline
+ **/
+
+
+ this.flush = function () {
+ var frames,
+ gopForFusion,
+ gops,
+ moof,
+ mdat,
+ boxes,
+ prependedContentDuration = 0,
+ firstGop,
+ lastGop; // Throw away nalUnits at the start of the byte stream until
+ // we find the first AUD
+
+ while (nalUnits.length) {
+ if (nalUnits[0].nalUnitType === 'access_unit_delimiter_rbsp') {
+ break;
+ }
+
+ nalUnits.shift();
+ } // Return early if no video data has been observed
+
+
+ if (nalUnits.length === 0) {
+ this.resetStream_();
+ this.trigger('done', 'VideoSegmentStream');
+ return;
+ } // Organize the raw nal-units into arrays that represent
+ // higher-level constructs such as frames and gops
+ // (group-of-pictures)
+
+
+ frames = frameUtils.groupNalsIntoFrames(nalUnits);
+ gops = frameUtils.groupFramesIntoGops(frames); // If the first frame of this fragment is not a keyframe we have
+ // a problem since MSE (on Chrome) requires a leading keyframe.
+ //
+ // We have two approaches to repairing this situation:
+ // 1) GOP-FUSION:
+ // This is where we keep track of the GOPS (group-of-pictures)
+ // from previous fragments and attempt to find one that we can
+ // prepend to the current fragment in order to create a valid
+ // fragment.
+ // 2) KEYFRAME-PULLING:
+ // Here we search for the first keyframe in the fragment and
+ // throw away all the frames between the start of the fragment
+ // and that keyframe. We then extend the duration and pull the
+ // PTS of the keyframe forward so that it covers the time range
+ // of the frames that were disposed of.
+ //
+ // #1 is far prefereable over #2 which can cause "stuttering" but
+ // requires more things to be just right.
+
+ if (!gops[0][0].keyFrame) {
+ // Search for a gop for fusion from our gopCache
+ gopForFusion = this.getGopForFusion_(nalUnits[0], track);
+
+ if (gopForFusion) {
+ // in order to provide more accurate timing information about the segment, save
+ // the number of seconds prepended to the original segment due to GOP fusion
+ prependedContentDuration = gopForFusion.duration;
+ gops.unshift(gopForFusion); // Adjust Gops' metadata to account for the inclusion of the
+ // new gop at the beginning
+
+ gops.byteLength += gopForFusion.byteLength;
+ gops.nalCount += gopForFusion.nalCount;
+ gops.pts = gopForFusion.pts;
+ gops.dts = gopForFusion.dts;
+ gops.duration += gopForFusion.duration;
+ } else {
+ // If we didn't find a candidate gop fall back to keyframe-pulling
+ gops = frameUtils.extendFirstKeyFrame(gops);
+ }
+ } // Trim gops to align with gopsToAlignWith
+
+
+ if (gopsToAlignWith.length) {
+ var alignedGops;
+
+ if (options.alignGopsAtEnd) {
+ alignedGops = this.alignGopsAtEnd_(gops);
+ } else {
+ alignedGops = this.alignGopsAtStart_(gops);
+ }
+
+ if (!alignedGops) {
+ // save all the nals in the last GOP into the gop cache
+ this.gopCache_.unshift({
+ gop: gops.pop(),
+ pps: track.pps,
+ sps: track.sps
+ }); // Keep a maximum of 6 GOPs in the cache
+
+ this.gopCache_.length = Math.min(6, this.gopCache_.length); // Clear nalUnits
+
+ nalUnits = []; // return early no gops can be aligned with desired gopsToAlignWith
+
+ this.resetStream_();
+ this.trigger('done', 'VideoSegmentStream');
+ return;
+ } // Some gops were trimmed. clear dts info so minSegmentDts and pts are correct
+ // when recalculated before sending off to CoalesceStream
+
+
+ trackDecodeInfo.clearDtsInfo(track);
+ gops = alignedGops;
+ }
+
+ trackDecodeInfo.collectDtsInfo(track, gops); // First, we have to build the index from byte locations to
+ // samples (that is, frames) in the video data
+
+ track.samples = frameUtils.generateSampleTable(gops); // Concatenate the video data and construct the mdat
+
+ mdat = mp4Generator.mdat(frameUtils.concatenateNalData(gops));
+ track.baseMediaDecodeTime = trackDecodeInfo.calculateTrackBaseMediaDecodeTime(track, options.keepOriginalTimestamps);
+ this.trigger('processedGopsInfo', gops.map(function (gop) {
+ return {
+ pts: gop.pts,
+ dts: gop.dts,
+ byteLength: gop.byteLength
+ };
+ }));
+ firstGop = gops[0];
+ lastGop = gops[gops.length - 1];
+ this.trigger('segmentTimingInfo', generateVideoSegmentTimingInfo(track.baseMediaDecodeTime, firstGop.dts, firstGop.pts, lastGop.dts + lastGop.duration, lastGop.pts + lastGop.duration, prependedContentDuration));
+ this.trigger('timingInfo', {
+ start: gops[0].pts,
+ end: gops[gops.length - 1].pts + gops[gops.length - 1].duration
+ }); // save all the nals in the last GOP into the gop cache
+
+ this.gopCache_.unshift({
+ gop: gops.pop(),
+ pps: track.pps,
+ sps: track.sps
+ }); // Keep a maximum of 6 GOPs in the cache
+
+ this.gopCache_.length = Math.min(6, this.gopCache_.length); // Clear nalUnits
+
+ nalUnits = [];
+ this.trigger('baseMediaDecodeTime', track.baseMediaDecodeTime);
+ this.trigger('timelineStartInfo', track.timelineStartInfo);
+ moof = mp4Generator.moof(sequenceNumber, [track]); // it would be great to allocate this array up front instead of
+ // throwing away hundreds of media segment fragments
+
+ boxes = new Uint8Array(moof.byteLength + mdat.byteLength); // Bump the sequence number for next time
+
+ sequenceNumber++;
+ boxes.set(moof);
+ boxes.set(mdat, moof.byteLength);
+ this.trigger('data', {
+ track: track,
+ boxes: boxes
+ });
+ this.resetStream_(); // Continue with the flush process now
+
+ this.trigger('done', 'VideoSegmentStream');
+ };
+
+ this.reset = function () {
+ this.resetStream_();
+ nalUnits = [];
+ this.gopCache_.length = 0;
+ gopsToAlignWith.length = 0;
+ this.trigger('reset');
+ };
+
+ this.resetStream_ = function () {
+ trackDecodeInfo.clearDtsInfo(track); // reset config and pps because they may differ across segments
+ // for instance, when we are rendition switching
+
+ config = undefined;
+ pps = undefined;
+ }; // Search for a candidate Gop for gop-fusion from the gop cache and
+ // return it or return null if no good candidate was found
+
+
+ this.getGopForFusion_ = function (nalUnit) {
+ var halfSecond = 45000,
+ // Half-a-second in a 90khz clock
+ allowableOverlap = 10000,
+ // About 3 frames @ 30fps
+ nearestDistance = Infinity,
+ dtsDistance,
+ nearestGopObj,
+ currentGop,
+ currentGopObj,
+ i; // Search for the GOP nearest to the beginning of this nal unit
+
+ for (i = 0; i < this.gopCache_.length; i++) {
+ currentGopObj = this.gopCache_[i];
+ currentGop = currentGopObj.gop; // Reject Gops with different SPS or PPS
+
+ if (!(track.pps && arrayEquals(track.pps[0], currentGopObj.pps[0])) || !(track.sps && arrayEquals(track.sps[0], currentGopObj.sps[0]))) {
+ continue;
+ } // Reject Gops that would require a negative baseMediaDecodeTime
+
+
+ if (currentGop.dts < track.timelineStartInfo.dts) {
+ continue;
+ } // The distance between the end of the gop and the start of the nalUnit
+
+
+ dtsDistance = nalUnit.dts - currentGop.dts - currentGop.duration; // Only consider GOPS that start before the nal unit and end within
+ // a half-second of the nal unit
+
+ if (dtsDistance >= -allowableOverlap && dtsDistance <= halfSecond) {
+ // Always use the closest GOP we found if there is more than
+ // one candidate
+ if (!nearestGopObj || nearestDistance > dtsDistance) {
+ nearestGopObj = currentGopObj;
+ nearestDistance = dtsDistance;
+ }
+ }
+ }
+
+ if (nearestGopObj) {
+ return nearestGopObj.gop;
+ }
+
+ return null;
+ }; // trim gop list to the first gop found that has a matching pts with a gop in the list
+ // of gopsToAlignWith starting from the START of the list
+
+
+ this.alignGopsAtStart_ = function (gops) {
+ var alignIndex, gopIndex, align, gop, byteLength, nalCount, duration, alignedGops;
+ byteLength = gops.byteLength;
+ nalCount = gops.nalCount;
+ duration = gops.duration;
+ alignIndex = gopIndex = 0;
+
+ while (alignIndex < gopsToAlignWith.length && gopIndex < gops.length) {
+ align = gopsToAlignWith[alignIndex];
+ gop = gops[gopIndex];
+
+ if (align.pts === gop.pts) {
+ break;
+ }
+
+ if (gop.pts > align.pts) {
+ // this current gop starts after the current gop we want to align on, so increment
+ // align index
+ alignIndex++;
+ continue;
+ } // current gop starts before the current gop we want to align on. so increment gop
+ // index
+
+
+ gopIndex++;
+ byteLength -= gop.byteLength;
+ nalCount -= gop.nalCount;
+ duration -= gop.duration;
+ }
+
+ if (gopIndex === 0) {
+ // no gops to trim
+ return gops;
+ }
+
+ if (gopIndex === gops.length) {
+ // all gops trimmed, skip appending all gops
+ return null;
+ }
+
+ alignedGops = gops.slice(gopIndex);
+ alignedGops.byteLength = byteLength;
+ alignedGops.duration = duration;
+ alignedGops.nalCount = nalCount;
+ alignedGops.pts = alignedGops[0].pts;
+ alignedGops.dts = alignedGops[0].dts;
+ return alignedGops;
+ }; // trim gop list to the first gop found that has a matching pts with a gop in the list
+ // of gopsToAlignWith starting from the END of the list
+
+
+ this.alignGopsAtEnd_ = function (gops) {
+ var alignIndex, gopIndex, align, gop, alignEndIndex, matchFound;
+ alignIndex = gopsToAlignWith.length - 1;
+ gopIndex = gops.length - 1;
+ alignEndIndex = null;
+ matchFound = false;
+
+ while (alignIndex >= 0 && gopIndex >= 0) {
+ align = gopsToAlignWith[alignIndex];
+ gop = gops[gopIndex];
+
+ if (align.pts === gop.pts) {
+ matchFound = true;
+ break;
+ }
+
+ if (align.pts > gop.pts) {
+ alignIndex--;
+ continue;
+ }
+
+ if (alignIndex === gopsToAlignWith.length - 1) {
+ // gop.pts is greater than the last alignment candidate. If no match is found
+ // by the end of this loop, we still want to append gops that come after this
+ // point
+ alignEndIndex = gopIndex;
+ }
+
+ gopIndex--;
+ }
+
+ if (!matchFound && alignEndIndex === null) {
+ return null;
+ }
+
+ var trimIndex;
+
+ if (matchFound) {
+ trimIndex = gopIndex;
+ } else {
+ trimIndex = alignEndIndex;
+ }
+
+ if (trimIndex === 0) {
+ return gops;
+ }
+
+ var alignedGops = gops.slice(trimIndex);
+ var metadata = alignedGops.reduce(function (total, gop) {
+ total.byteLength += gop.byteLength;
+ total.duration += gop.duration;
+ total.nalCount += gop.nalCount;
+ return total;
+ }, {
+ byteLength: 0,
+ duration: 0,
+ nalCount: 0
+ });
+ alignedGops.byteLength = metadata.byteLength;
+ alignedGops.duration = metadata.duration;
+ alignedGops.nalCount = metadata.nalCount;
+ alignedGops.pts = alignedGops[0].pts;
+ alignedGops.dts = alignedGops[0].dts;
+ return alignedGops;
+ };
+
+ this.alignGopsWith = function (newGopsToAlignWith) {
+ gopsToAlignWith = newGopsToAlignWith;
+ };
+ };
+
+ _VideoSegmentStream.prototype = new stream();
+ /**
+ * A Stream that can combine multiple streams (ie. audio & video)
+ * into a single output segment for MSE. Also supports audio-only
+ * and video-only streams.
+ * @param options {object} transmuxer options object
+ * @param options.keepOriginalTimestamps {boolean} If true, keep the timestamps
+ * in the source; false to adjust the first segment to start at media timeline start.
+ */
+
+ _CoalesceStream = function CoalesceStream(options, metadataStream) {
+ // Number of Tracks per output segment
+ // If greater than 1, we combine multiple
+ // tracks into a single segment
+ this.numberOfTracks = 0;
+ this.metadataStream = metadataStream;
+ options = options || {};
+
+ if (typeof options.remux !== 'undefined') {
+ this.remuxTracks = !!options.remux;
+ } else {
+ this.remuxTracks = true;
+ }
+
+ if (typeof options.keepOriginalTimestamps === 'boolean') {
+ this.keepOriginalTimestamps = options.keepOriginalTimestamps;
+ } else {
+ this.keepOriginalTimestamps = false;
+ }
+
+ this.pendingTracks = [];
+ this.videoTrack = null;
+ this.pendingBoxes = [];
+ this.pendingCaptions = [];
+ this.pendingMetadata = [];
+ this.pendingBytes = 0;
+ this.emittedTracks = 0;
+
+ _CoalesceStream.prototype.init.call(this); // Take output from multiple
+
+
+ this.push = function (output) {
+ // buffer incoming captions until the associated video segment
+ // finishes
+ if (output.text) {
+ return this.pendingCaptions.push(output);
+ } // buffer incoming id3 tags until the final flush
+
+
+ if (output.frames) {
+ return this.pendingMetadata.push(output);
+ } // Add this track to the list of pending tracks and store
+ // important information required for the construction of
+ // the final segment
+
+
+ this.pendingTracks.push(output.track);
+ this.pendingBytes += output.boxes.byteLength; // TODO: is there an issue for this against chrome?
+ // We unshift audio and push video because
+ // as of Chrome 75 when switching from
+ // one init segment to another if the video
+ // mdat does not appear after the audio mdat
+ // only audio will play for the duration of our transmux.
+
+ if (output.track.type === 'video') {
+ this.videoTrack = output.track;
+ this.pendingBoxes.push(output.boxes);
+ }
+
+ if (output.track.type === 'audio') {
+ this.audioTrack = output.track;
+ this.pendingBoxes.unshift(output.boxes);
+ }
+ };
+ };
+
+ _CoalesceStream.prototype = new stream();
+
+ _CoalesceStream.prototype.flush = function (flushSource) {
+ var offset = 0,
+ event = {
+ captions: [],
+ captionStreams: {},
+ metadata: [],
+ info: {}
+ },
+ caption,
+ id3,
+ initSegment,
+ timelineStartPts = 0,
+ i;
+
+ if (this.pendingTracks.length < this.numberOfTracks) {
+ if (flushSource !== 'VideoSegmentStream' && flushSource !== 'AudioSegmentStream') {
+ // Return because we haven't received a flush from a data-generating
+ // portion of the segment (meaning that we have only recieved meta-data
+ // or captions.)
+ return;
+ } else if (this.remuxTracks) {
+ // Return until we have enough tracks from the pipeline to remux (if we
+ // are remuxing audio and video into a single MP4)
+ return;
+ } else if (this.pendingTracks.length === 0) {
+ // In the case where we receive a flush without any data having been
+ // received we consider it an emitted track for the purposes of coalescing
+ // `done` events.
+ // We do this for the case where there is an audio and video track in the
+ // segment but no audio data. (seen in several playlists with alternate
+ // audio tracks and no audio present in the main TS segments.)
+ this.emittedTracks++;
+
+ if (this.emittedTracks >= this.numberOfTracks) {
+ this.trigger('done');
+ this.emittedTracks = 0;
+ }
+
+ return;
+ }
+ }
+
+ if (this.videoTrack) {
+ timelineStartPts = this.videoTrack.timelineStartInfo.pts;
+ VIDEO_PROPERTIES.forEach(function (prop) {
+ event.info[prop] = this.videoTrack[prop];
+ }, this);
+ } else if (this.audioTrack) {
+ timelineStartPts = this.audioTrack.timelineStartInfo.pts;
+ AUDIO_PROPERTIES.forEach(function (prop) {
+ event.info[prop] = this.audioTrack[prop];
+ }, this);
+ }
+
+ if (this.videoTrack || this.audioTrack) {
+ if (this.pendingTracks.length === 1) {
+ event.type = this.pendingTracks[0].type;
+ } else {
+ event.type = 'combined';
+ }
+
+ this.emittedTracks += this.pendingTracks.length;
+ initSegment = mp4Generator.initSegment(this.pendingTracks); // Create a new typed array to hold the init segment
+
+ event.initSegment = new Uint8Array(initSegment.byteLength); // Create an init segment containing a moov
+ // and track definitions
+
+ event.initSegment.set(initSegment); // Create a new typed array to hold the moof+mdats
+
+ event.data = new Uint8Array(this.pendingBytes); // Append each moof+mdat (one per track) together
+
+ for (i = 0; i < this.pendingBoxes.length; i++) {
+ event.data.set(this.pendingBoxes[i], offset);
+ offset += this.pendingBoxes[i].byteLength;
+ } // Translate caption PTS times into second offsets to match the
+ // video timeline for the segment, and add track info
+
+
+ for (i = 0; i < this.pendingCaptions.length; i++) {
+ caption = this.pendingCaptions[i];
+ caption.startTime = clock.metadataTsToSeconds(caption.startPts, timelineStartPts, this.keepOriginalTimestamps);
+ caption.endTime = clock.metadataTsToSeconds(caption.endPts, timelineStartPts, this.keepOriginalTimestamps);
+ event.captionStreams[caption.stream] = true;
+ event.captions.push(caption);
+ } // Translate ID3 frame PTS times into second offsets to match the
+ // video timeline for the segment
+
+
+ for (i = 0; i < this.pendingMetadata.length; i++) {
+ id3 = this.pendingMetadata[i];
+ id3.cueTime = clock.metadataTsToSeconds(id3.pts, timelineStartPts, this.keepOriginalTimestamps);
+ event.metadata.push(id3);
+ } // We add this to every single emitted segment even though we only need
+ // it for the first
+
+
+ event.metadata.dispatchType = this.metadataStream.dispatchType; // Reset stream state
+
+ this.pendingTracks.length = 0;
+ this.videoTrack = null;
+ this.pendingBoxes.length = 0;
+ this.pendingCaptions.length = 0;
+ this.pendingBytes = 0;
+ this.pendingMetadata.length = 0; // Emit the built segment
+ // We include captions and ID3 tags for backwards compatibility,
+ // ideally we should send only video and audio in the data event
+
+ this.trigger('data', event); // Emit each caption to the outside world
+ // Ideally, this would happen immediately on parsing captions,
+ // but we need to ensure that video data is sent back first
+ // so that caption timing can be adjusted to match video timing
+
+ for (i = 0; i < event.captions.length; i++) {
+ caption = event.captions[i];
+ this.trigger('caption', caption);
+ } // Emit each id3 tag to the outside world
+ // Ideally, this would happen immediately on parsing the tag,
+ // but we need to ensure that video data is sent back first
+ // so that ID3 frame timing can be adjusted to match video timing
+
+
+ for (i = 0; i < event.metadata.length; i++) {
+ id3 = event.metadata[i];
+ this.trigger('id3Frame', id3);
+ }
+ } // Only emit `done` if all tracks have been flushed and emitted
+
+
+ if (this.emittedTracks >= this.numberOfTracks) {
+ this.trigger('done');
+ this.emittedTracks = 0;
+ }
+ };
+
+ _CoalesceStream.prototype.setRemux = function (val) {
+ this.remuxTracks = val;
+ };
+ /**
+ * A Stream that expects MP2T binary data as input and produces
+ * corresponding media segments, suitable for use with Media Source
+ * Extension (MSE) implementations that support the ISO BMFF byte
+ * stream format, like Chrome.
+ */
+
+
+ _Transmuxer = function Transmuxer(options) {
+ var self = this,
+ hasFlushed = true,
+ videoTrack,
+ audioTrack;
+
+ _Transmuxer.prototype.init.call(this);
+
+ options = options || {};
+ this.baseMediaDecodeTime = options.baseMediaDecodeTime || 0;
+ this.transmuxPipeline_ = {};
+
+ this.setupAacPipeline = function () {
+ var pipeline = {};
+ this.transmuxPipeline_ = pipeline;
+ pipeline.type = 'aac';
+ pipeline.metadataStream = new m2ts_1.MetadataStream(); // set up the parsing pipeline
+
+ pipeline.aacStream = new aac();
+ pipeline.audioTimestampRolloverStream = new m2ts_1.TimestampRolloverStream('audio');
+ pipeline.timedMetadataTimestampRolloverStream = new m2ts_1.TimestampRolloverStream('timed-metadata');
+ pipeline.adtsStream = new adts();
+ pipeline.coalesceStream = new _CoalesceStream(options, pipeline.metadataStream);
+ pipeline.headOfPipeline = pipeline.aacStream;
+ pipeline.aacStream.pipe(pipeline.audioTimestampRolloverStream).pipe(pipeline.adtsStream);
+ pipeline.aacStream.pipe(pipeline.timedMetadataTimestampRolloverStream).pipe(pipeline.metadataStream).pipe(pipeline.coalesceStream);
+ pipeline.metadataStream.on('timestamp', function (frame) {
+ pipeline.aacStream.setTimestamp(frame.timeStamp);
+ });
+ pipeline.aacStream.on('data', function (data) {
+ if (data.type === 'timed-metadata' && !pipeline.audioSegmentStream) {
+ audioTrack = audioTrack || {
+ timelineStartInfo: {
+ baseMediaDecodeTime: self.baseMediaDecodeTime
+ },
+ codec: 'adts',
+ type: 'audio'
+ }; // hook up the audio segment stream to the first track with aac data
+
+ pipeline.coalesceStream.numberOfTracks++;
+ pipeline.audioSegmentStream = new _AudioSegmentStream(audioTrack, options);
+ pipeline.audioSegmentStream.on('timingInfo', self.trigger.bind(self, 'audioTimingInfo')); // Set up the final part of the audio pipeline
+
+ pipeline.adtsStream.pipe(pipeline.audioSegmentStream).pipe(pipeline.coalesceStream);
+ } // emit pmt info
+
+
+ self.trigger('trackinfo', {
+ hasAudio: !!audioTrack,
+ hasVideo: !!videoTrack
+ });
+ }); // Re-emit any data coming from the coalesce stream to the outside world
+
+ pipeline.coalesceStream.on('data', this.trigger.bind(this, 'data')); // Let the consumer know we have finished flushing the entire pipeline
+
+ pipeline.coalesceStream.on('done', this.trigger.bind(this, 'done'));
+ };
+
+ this.setupTsPipeline = function () {
+ var pipeline = {};
+ this.transmuxPipeline_ = pipeline;
+ pipeline.type = 'ts';
+ pipeline.metadataStream = new m2ts_1.MetadataStream(); // set up the parsing pipeline
+
+ pipeline.packetStream = new m2ts_1.TransportPacketStream();
+ pipeline.parseStream = new m2ts_1.TransportParseStream();
+ pipeline.elementaryStream = new m2ts_1.ElementaryStream();
+ pipeline.timestampRolloverStream = new m2ts_1.TimestampRolloverStream();
+ pipeline.adtsStream = new adts();
+ pipeline.h264Stream = new H264Stream();
+ pipeline.captionStream = new m2ts_1.CaptionStream();
+ pipeline.coalesceStream = new _CoalesceStream(options, pipeline.metadataStream);
+ pipeline.headOfPipeline = pipeline.packetStream; // disassemble MPEG2-TS packets into elementary streams
+
+ pipeline.packetStream.pipe(pipeline.parseStream).pipe(pipeline.elementaryStream).pipe(pipeline.timestampRolloverStream); // !!THIS ORDER IS IMPORTANT!!
+ // demux the streams
+
+ pipeline.timestampRolloverStream.pipe(pipeline.h264Stream);
+ pipeline.timestampRolloverStream.pipe(pipeline.adtsStream);
+ pipeline.timestampRolloverStream.pipe(pipeline.metadataStream).pipe(pipeline.coalesceStream); // Hook up CEA-608/708 caption stream
+
+ pipeline.h264Stream.pipe(pipeline.captionStream).pipe(pipeline.coalesceStream);
+ pipeline.elementaryStream.on('data', function (data) {
+ var i;
+
+ if (data.type === 'metadata') {
+ i = data.tracks.length; // scan the tracks listed in the metadata
+
+ while (i--) {
+ if (!videoTrack && data.tracks[i].type === 'video') {
+ videoTrack = data.tracks[i];
+ videoTrack.timelineStartInfo.baseMediaDecodeTime = self.baseMediaDecodeTime;
+ } else if (!audioTrack && data.tracks[i].type === 'audio') {
+ audioTrack = data.tracks[i];
+ audioTrack.timelineStartInfo.baseMediaDecodeTime = self.baseMediaDecodeTime;
+ }
+ } // hook up the video segment stream to the first track with h264 data
+
+
+ if (videoTrack && !pipeline.videoSegmentStream) {
+ pipeline.coalesceStream.numberOfTracks++;
+ pipeline.videoSegmentStream = new _VideoSegmentStream(videoTrack, options);
+ pipeline.videoSegmentStream.on('timelineStartInfo', function (timelineStartInfo) {
+ // When video emits timelineStartInfo data after a flush, we forward that
+ // info to the AudioSegmentStream, if it exists, because video timeline
+ // data takes precedence.
+ if (audioTrack) {
+ audioTrack.timelineStartInfo = timelineStartInfo; // On the first segment we trim AAC frames that exist before the
+ // very earliest DTS we have seen in video because Chrome will
+ // interpret any video track with a baseMediaDecodeTime that is
+ // non-zero as a gap.
+
+ pipeline.audioSegmentStream.setEarliestDts(timelineStartInfo.dts);
+ }
+ });
+ pipeline.videoSegmentStream.on('processedGopsInfo', self.trigger.bind(self, 'gopInfo'));
+ pipeline.videoSegmentStream.on('segmentTimingInfo', self.trigger.bind(self, 'videoSegmentTimingInfo'));
+ pipeline.videoSegmentStream.on('baseMediaDecodeTime', function (baseMediaDecodeTime) {
+ if (audioTrack) {
+ pipeline.audioSegmentStream.setVideoBaseMediaDecodeTime(baseMediaDecodeTime);
+ }
+ });
+ pipeline.videoSegmentStream.on('timingInfo', self.trigger.bind(self, 'videoTimingInfo')); // Set up the final part of the video pipeline
+
+ pipeline.h264Stream.pipe(pipeline.videoSegmentStream).pipe(pipeline.coalesceStream);
+ }
+
+ if (audioTrack && !pipeline.audioSegmentStream) {
+ // hook up the audio segment stream to the first track with aac data
+ pipeline.coalesceStream.numberOfTracks++;
+ pipeline.audioSegmentStream = new _AudioSegmentStream(audioTrack, options);
+ pipeline.audioSegmentStream.on('timingInfo', self.trigger.bind(self, 'audioTimingInfo')); // Set up the final part of the audio pipeline
+
+ pipeline.adtsStream.pipe(pipeline.audioSegmentStream).pipe(pipeline.coalesceStream);
+ } // emit pmt info
+
+
+ self.trigger('trackinfo', {
+ hasAudio: !!audioTrack,
+ hasVideo: !!videoTrack
+ });
+ }
+ }); // Re-emit any data coming from the coalesce stream to the outside world
+
+ pipeline.coalesceStream.on('data', this.trigger.bind(this, 'data'));
+ pipeline.coalesceStream.on('id3Frame', function (id3Frame) {
+ id3Frame.dispatchType = pipeline.metadataStream.dispatchType;
+ self.trigger('id3Frame', id3Frame);
+ });
+ pipeline.coalesceStream.on('caption', this.trigger.bind(this, 'caption')); // Let the consumer know we have finished flushing the entire pipeline
+
+ pipeline.coalesceStream.on('done', this.trigger.bind(this, 'done'));
+ }; // hook up the segment streams once track metadata is delivered
+
+
+ this.setBaseMediaDecodeTime = function (baseMediaDecodeTime) {
+ var pipeline = this.transmuxPipeline_;
+
+ if (!options.keepOriginalTimestamps) {
+ this.baseMediaDecodeTime = baseMediaDecodeTime;
+ }
+
+ if (audioTrack) {
+ audioTrack.timelineStartInfo.dts = undefined;
+ audioTrack.timelineStartInfo.pts = undefined;
+ trackDecodeInfo.clearDtsInfo(audioTrack);
+
+ if (!options.keepOriginalTimestamps) {
+ audioTrack.timelineStartInfo.baseMediaDecodeTime = baseMediaDecodeTime;
+ }
+
+ if (pipeline.audioTimestampRolloverStream) {
+ pipeline.audioTimestampRolloverStream.discontinuity();
+ }
+ }
+
+ if (videoTrack) {
+ if (pipeline.videoSegmentStream) {
+ pipeline.videoSegmentStream.gopCache_ = [];
+ }
+
+ videoTrack.timelineStartInfo.dts = undefined;
+ videoTrack.timelineStartInfo.pts = undefined;
+ trackDecodeInfo.clearDtsInfo(videoTrack);
+ pipeline.captionStream.reset();
+
+ if (!options.keepOriginalTimestamps) {
+ videoTrack.timelineStartInfo.baseMediaDecodeTime = baseMediaDecodeTime;
+ }
+ }
+
+ if (pipeline.timestampRolloverStream) {
+ pipeline.timestampRolloverStream.discontinuity();
+ }
+ };
+
+ this.setAudioAppendStart = function (timestamp) {
+ if (audioTrack) {
+ this.transmuxPipeline_.audioSegmentStream.setAudioAppendStart(timestamp);
+ }
+ };
+
+ this.setRemux = function (val) {
+ var pipeline = this.transmuxPipeline_;
+ options.remux = val;
+
+ if (pipeline && pipeline.coalesceStream) {
+ pipeline.coalesceStream.setRemux(val);
+ }
+ };
+
+ this.alignGopsWith = function (gopsToAlignWith) {
+ if (videoTrack && this.transmuxPipeline_.videoSegmentStream) {
+ this.transmuxPipeline_.videoSegmentStream.alignGopsWith(gopsToAlignWith);
+ }
+ }; // feed incoming data to the front of the parsing pipeline
+
+
+ this.push = function (data) {
+ if (hasFlushed) {
+ var isAac = isLikelyAacData$1(data);
+
+ if (isAac && this.transmuxPipeline_.type !== 'aac') {
+ this.setupAacPipeline();
+ } else if (!isAac && this.transmuxPipeline_.type !== 'ts') {
+ this.setupTsPipeline();
+ }
+
+ hasFlushed = false;
+ }
+
+ this.transmuxPipeline_.headOfPipeline.push(data);
+ }; // flush any buffered data
+
+
+ this.flush = function () {
+ hasFlushed = true; // Start at the top of the pipeline and flush all pending work
+
+ this.transmuxPipeline_.headOfPipeline.flush();
+ };
+
+ this.endTimeline = function () {
+ this.transmuxPipeline_.headOfPipeline.endTimeline();
+ };
+
+ this.reset = function () {
+ if (this.transmuxPipeline_.headOfPipeline) {
+ this.transmuxPipeline_.headOfPipeline.reset();
+ }
+ }; // Caption data has to be reset when seeking outside buffered range
+
+
+ this.resetCaptions = function () {
+ if (this.transmuxPipeline_.captionStream) {
+ this.transmuxPipeline_.captionStream.reset();
+ }
+ };
+ };
+
+ _Transmuxer.prototype = new stream();
+ var transmuxer = {
+ Transmuxer: _Transmuxer,
+ VideoSegmentStream: _VideoSegmentStream,
+ AudioSegmentStream: _AudioSegmentStream,
+ AUDIO_PROPERTIES: AUDIO_PROPERTIES,
+ VIDEO_PROPERTIES: VIDEO_PROPERTIES,
+ // exported for testing
+ generateVideoSegmentTimingInfo: generateVideoSegmentTimingInfo
+ };
+
+ var classCallCheck = function classCallCheck(instance, Constructor) {
+ if (!(instance instanceof Constructor)) {
+ throw new TypeError("Cannot call a class as a function");
+ }
+ };
+
+ var createClass = function () {
+ function defineProperties(target, props) {
+ for (var i = 0; i < props.length; i++) {
+ var descriptor = props[i];
+ descriptor.enumerable = descriptor.enumerable || false;
+ descriptor.configurable = true;
+ if ("value" in descriptor) descriptor.writable = true;
+ Object.defineProperty(target, descriptor.key, descriptor);
+ }
+ }
+
+ return function (Constructor, protoProps, staticProps) {
+ if (protoProps) defineProperties(Constructor.prototype, protoProps);
+ if (staticProps) defineProperties(Constructor, staticProps);
+ return Constructor;
+ };
+ }();
+ /**
+ * @file transmuxer-worker.js
+ */
+
+ /**
+ * Re-emits transmuxer events by converting them into messages to the
+ * world outside the worker.
+ *
+ * @param {Object} transmuxer the transmuxer to wire events on
+ * @private
+ */
+
+
+ var wireTransmuxerEvents = function wireTransmuxerEvents(self, transmuxer$$1) {
+ transmuxer$$1.on('data', function (segment) {
+ // transfer ownership of the underlying ArrayBuffer
+ // instead of doing a copy to save memory
+ // ArrayBuffers are transferable but generic TypedArrays are not
+ // @link https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API/Using_web_workers#Passing_data_by_transferring_ownership_(transferable_objects)
+ var initArray = segment.initSegment;
+ segment.initSegment = {
+ data: initArray.buffer,
+ byteOffset: initArray.byteOffset,
+ byteLength: initArray.byteLength
+ };
+ var typedArray = segment.data;
+ segment.data = typedArray.buffer;
+ self.postMessage({
+ action: 'data',
+ segment: segment,
+ byteOffset: typedArray.byteOffset,
+ byteLength: typedArray.byteLength
+ }, [segment.data]);
+ });
+
+ if (transmuxer$$1.captionStream) {
+ transmuxer$$1.captionStream.on('data', function (caption) {
+ self.postMessage({
+ action: 'caption',
+ data: caption
+ });
+ });
+ }
+
+ transmuxer$$1.on('done', function (data) {
+ self.postMessage({
+ action: 'done'
+ });
+ });
+ transmuxer$$1.on('gopInfo', function (gopInfo) {
+ self.postMessage({
+ action: 'gopInfo',
+ gopInfo: gopInfo
+ });
+ });
+ transmuxer$$1.on('videoSegmentTimingInfo', function (videoSegmentTimingInfo) {
+ self.postMessage({
+ action: 'videoSegmentTimingInfo',
+ videoSegmentTimingInfo: videoSegmentTimingInfo
+ });
+ });
+ };
+ /**
+ * All incoming messages route through this hash. If no function exists
+ * to handle an incoming message, then we ignore the message.
+ *
+ * @class MessageHandlers
+ * @param {Object} options the options to initialize with
+ */
+
+
+ var MessageHandlers = function () {
+ function MessageHandlers(self, options) {
+ classCallCheck(this, MessageHandlers);
+ this.options = options || {};
+ this.self = self;
+ this.init();
+ }
+ /**
+ * initialize our web worker and wire all the events.
+ */
+
+
+ createClass(MessageHandlers, [{
+ key: 'init',
+ value: function init() {
+ if (this.transmuxer) {
+ this.transmuxer.dispose();
+ }
+
+ this.transmuxer = new transmuxer.Transmuxer(this.options);
+ wireTransmuxerEvents(this.self, this.transmuxer);
+ }
+ /**
+ * Adds data (a ts segment) to the start of the transmuxer pipeline for
+ * processing.
+ *
+ * @param {ArrayBuffer} data data to push into the muxer
+ */
+
+ }, {
+ key: 'push',
+ value: function push(data) {
+ // Cast array buffer to correct type for transmuxer
+ var segment = new Uint8Array(data.data, data.byteOffset, data.byteLength);
+ this.transmuxer.push(segment);
+ }
+ /**
+ * Recreate the transmuxer so that the next segment added via `push`
+ * start with a fresh transmuxer.
+ */
+
+ }, {
+ key: 'reset',
+ value: function reset() {
+ this.init();
+ }
+ /**
+ * Set the value that will be used as the `baseMediaDecodeTime` time for the
+ * next segment pushed in. Subsequent segments will have their `baseMediaDecodeTime`
+ * set relative to the first based on the PTS values.
+ *
+ * @param {Object} data used to set the timestamp offset in the muxer
+ */
+
+ }, {
+ key: 'setTimestampOffset',
+ value: function setTimestampOffset(data) {
+ var timestampOffset = data.timestampOffset || 0;
+ this.transmuxer.setBaseMediaDecodeTime(Math.round(timestampOffset * 90000));
+ }
+ }, {
+ key: 'setAudioAppendStart',
+ value: function setAudioAppendStart(data) {
+ this.transmuxer.setAudioAppendStart(Math.ceil(data.appendStart * 90000));
+ }
+ /**
+ * Forces the pipeline to finish processing the last segment and emit it's
+ * results.
+ *
+ * @param {Object} data event data, not really used
+ */
+
+ }, {
+ key: 'flush',
+ value: function flush(data) {
+ this.transmuxer.flush();
+ }
+ }, {
+ key: 'resetCaptions',
+ value: function resetCaptions() {
+ this.transmuxer.resetCaptions();
+ }
+ }, {
+ key: 'alignGopsWith',
+ value: function alignGopsWith(data) {
+ this.transmuxer.alignGopsWith(data.gopsToAlignWith.slice());
+ }
+ }]);
+ return MessageHandlers;
+ }();
+ /**
+ * Our web wroker interface so that things can talk to mux.js
+ * that will be running in a web worker. the scope is passed to this by
+ * webworkify.
+ *
+ * @param {Object} self the scope for the web worker
+ */
+
+
+ var TransmuxerWorker = function TransmuxerWorker(self) {
+ self.onmessage = function (event) {
+ if (event.data.action === 'init' && event.data.options) {
+ this.messageHandlers = new MessageHandlers(self, event.data.options);
+ return;
+ }
+
+ if (!this.messageHandlers) {
+ this.messageHandlers = new MessageHandlers(self);
+ }
+
+ if (event.data && event.data.action && event.data.action !== 'init') {
+ if (this.messageHandlers[event.data.action]) {
+ this.messageHandlers[event.data.action](event.data);
+ }
+ }
+ };
+ };
+
+ var transmuxerWorker = new TransmuxerWorker(self);
+ return transmuxerWorker;
+ }();
+ });
+ /**
+ * @file - codecs.js - Handles tasks regarding codec strings such as translating them to
+ * codec strings, or translating codec strings into objects that can be examined.
+ */
+ // Default codec parameters if none were provided for video and/or audio
+
+ var defaultCodecs = {
+ videoCodec: 'avc1',
+ videoObjectTypeIndicator: '.4d400d',
+ // AAC-LC
+ audioProfile: '2'
+ };
+ /**
+ * Replace the old apple-style `avc1.<dd>.<dd>` codec string with the standard
+ * `avc1.<hhhhhh>`
+ *
+ * @param {Array} codecs an array of codec strings to fix
+ * @return {Array} the translated codec array
+ * @private
+ */
+
+ var translateLegacyCodecs = function translateLegacyCodecs(codecs) {
+ return codecs.map(function (codec) {
+ return codec.replace(/avc1\.(\d+)\.(\d+)/i, function (orig, profile, avcLevel) {
+ var profileHex = ('00' + Number(profile).toString(16)).slice(-2);
+ var avcLevelHex = ('00' + Number(avcLevel).toString(16)).slice(-2);
+ return 'avc1.' + profileHex + '00' + avcLevelHex;
+ });
+ });
+ };
+ /**
+ * Parses a codec string to retrieve the number of codecs specified,
+ * the video codec and object type indicator, and the audio profile.
+ */
+
+
+ var parseCodecs = function parseCodecs() {
+ var codecs = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';
+ var result = {
+ codecCount: 0
+ };
+ var parsed = void 0;
+ result.codecCount = codecs.split(',').length;
+ result.codecCount = result.codecCount || 2; // parse the video codec
+
+ parsed = /(^|\s|,)+(avc[13])([^ ,]*)/i.exec(codecs);
+
+ if (parsed) {
+ result.videoCodec = parsed[2];
+ result.videoObjectTypeIndicator = parsed[3];
+ } // parse the last field of the audio codec
+
+
+ result.audioProfile = /(^|\s|,)+mp4a.[0-9A-Fa-f]+\.([0-9A-Fa-f]+)/i.exec(codecs);
+ result.audioProfile = result.audioProfile && result.audioProfile[2];
+ return result;
+ };
+ /**
+ * Replace codecs in the codec string with the old apple-style `avc1.<dd>.<dd>` to the
+ * standard `avc1.<hhhhhh>`.
+ *
+ * @param codecString {String} the codec string
+ * @return {String} the codec string with old apple-style codecs replaced
+ *
+ * @private
+ */
+
+
+ var mapLegacyAvcCodecs = function mapLegacyAvcCodecs(codecString) {
+ return codecString.replace(/avc1\.(\d+)\.(\d+)/i, function (match) {
+ return translateLegacyCodecs([match])[0];
+ });
+ };
+ /**
+ * Build a media mime-type string from a set of parameters
+ * @param {String} type either 'audio' or 'video'
+ * @param {String} container either 'mp2t' or 'mp4'
+ * @param {Array} codecs an array of codec strings to add
+ * @return {String} a valid media mime-type
+ */
+
+
+ var makeMimeTypeString = function makeMimeTypeString(type, container, codecs) {
+ // The codecs array is filtered so that falsey values are
+ // dropped and don't cause Array#join to create spurious
+ // commas
+ return type + '/' + container + '; codecs="' + codecs.filter(function (c) {
+ return !!c;
+ }).join(', ') + '"';
+ };
+ /**
+ * Returns the type container based on information in the playlist
+ * @param {Playlist} media the current media playlist
+ * @return {String} a valid media container type
+ */
+
+
+ var getContainerType = function getContainerType(media) {
+ // An initialization segment means the media playlist is an iframe
+ // playlist or is using the mp4 container. We don't currently
+ // support iframe playlists, so assume this is signalling mp4
+ // fragments.
+ if (media.segments && media.segments.length && media.segments[0].map) {
+ return 'mp4';
+ }
+
+ return 'mp2t';
+ };
+ /**
+ * Returns a set of codec strings parsed from the playlist or the default
+ * codec strings if no codecs were specified in the playlist
+ * @param {Playlist} media the current media playlist
+ * @return {Object} an object with the video and audio codecs
+ */
+
+
+ var getCodecs = function getCodecs(media) {
+ // if the codecs were explicitly specified, use them instead of the
+ // defaults
+ var mediaAttributes = media.attributes || {};
+
+ if (mediaAttributes.CODECS) {
+ return parseCodecs(mediaAttributes.CODECS);
+ }
+
+ return defaultCodecs;
+ };
+
+ var audioProfileFromDefault = function audioProfileFromDefault(master, audioGroupId) {
+ if (!master.mediaGroups.AUDIO || !audioGroupId) {
+ return null;
+ }
+
+ var audioGroup = master.mediaGroups.AUDIO[audioGroupId];
+
+ if (!audioGroup) {
+ return null;
+ }
+
+ for (var name in audioGroup) {
+ var audioType = audioGroup[name];
+
+ if (audioType["default"] && audioType.playlists) {
+ // codec should be the same for all playlists within the audio type
+ return parseCodecs(audioType.playlists[0].attributes.CODECS).audioProfile;
+ }
+ }
+
+ return null;
+ };
+ /**
+ * Calculates the MIME type strings for a working configuration of
+ * SourceBuffers to play variant streams in a master playlist. If
+ * there is no possible working configuration, an empty array will be
+ * returned.
+ *
+ * @param master {Object} the m3u8 object for the master playlist
+ * @param media {Object} the m3u8 object for the variant playlist
+ * @return {Array} the MIME type strings. If the array has more than
+ * one entry, the first element should be applied to the video
+ * SourceBuffer and the second to the audio SourceBuffer.
+ *
+ * @private
+ */
+
+
+ var mimeTypesForPlaylist = function mimeTypesForPlaylist(master, media) {
+ var containerType = getContainerType(media);
+ var codecInfo = getCodecs(media);
+ var mediaAttributes = media.attributes || {}; // Default condition for a traditional HLS (no demuxed audio/video)
+
+ var isMuxed = true;
+ var isMaat = false;
+
+ if (!media) {
+ // Not enough information
+ return [];
+ }
+
+ if (master.mediaGroups.AUDIO && mediaAttributes.AUDIO) {
+ var audioGroup = master.mediaGroups.AUDIO[mediaAttributes.AUDIO]; // Handle the case where we are in a multiple-audio track scenario
+
+ if (audioGroup) {
+ isMaat = true; // Start with the everything demuxed then...
+
+ isMuxed = false; // ...check to see if any audio group tracks are muxed (ie. lacking a uri)
+
+ for (var groupId in audioGroup) {
+ // either a uri is present (if the case of HLS and an external playlist), or
+ // playlists is present (in the case of DASH where we don't have external audio
+ // playlists)
+ if (!audioGroup[groupId].uri && !audioGroup[groupId].playlists) {
+ isMuxed = true;
+ break;
+ }
+ }
+ }
+ } // HLS with multiple-audio tracks must always get an audio codec.
+ // Put another way, there is no way to have a video-only multiple-audio HLS!
+
+
+ if (isMaat && !codecInfo.audioProfile) {
+ if (!isMuxed) {
+ // It is possible for codecs to be specified on the audio media group playlist but
+ // not on the rendition playlist. This is mostly the case for DASH, where audio and
+ // video are always separate (and separately specified).
+ codecInfo.audioProfile = audioProfileFromDefault(master, mediaAttributes.AUDIO);
+ }
+
+ if (!codecInfo.audioProfile) {
+ videojs$1.log.warn('Multiple audio tracks present but no audio codec string is specified. ' + 'Attempting to use the default audio codec (mp4a.40.2)');
+ codecInfo.audioProfile = defaultCodecs.audioProfile;
+ }
+ } // Generate the final codec strings from the codec object generated above
+
+
+ var codecStrings = {};
+
+ if (codecInfo.videoCodec) {
+ codecStrings.video = '' + codecInfo.videoCodec + codecInfo.videoObjectTypeIndicator;
+ }
+
+ if (codecInfo.audioProfile) {
+ codecStrings.audio = 'mp4a.40.' + codecInfo.audioProfile;
+ } // Finally, make and return an array with proper mime-types depending on
+ // the configuration
+
+
+ var justAudio = makeMimeTypeString('audio', containerType, [codecStrings.audio]);
+ var justVideo = makeMimeTypeString('video', containerType, [codecStrings.video]);
+ var bothVideoAudio = makeMimeTypeString('video', containerType, [codecStrings.video, codecStrings.audio]);
+
+ if (isMaat) {
+ if (!isMuxed && codecStrings.video) {
+ return [justVideo, justAudio];
+ }
+
+ if (!isMuxed && !codecStrings.video) {
+ // There is no muxed content and no video codec string, so this is an audio only
+ // stream with alternate audio.
+ return [justAudio, justAudio];
+ } // There exists the possiblity that this will return a `video/container`
+ // mime-type for the first entry in the array even when there is only audio.
+ // This doesn't appear to be a problem and simplifies the code.
+
+
+ return [bothVideoAudio, justAudio];
+ } // If there is no video codec at all, always just return a single
+ // audio/<container> mime-type
+
+
+ if (!codecStrings.video) {
+ return [justAudio];
+ } // When not using separate audio media groups, audio and video is
+ // *always* muxed
+
+
+ return [bothVideoAudio];
+ };
+ /**
+ * Parse a content type header into a type and parameters
+ * object
+ *
+ * @param {String} type the content type header
+ * @return {Object} the parsed content-type
+ * @private
+ */
+
+
+ var parseContentType = function parseContentType(type) {
+ var object = {
+ type: '',
+ parameters: {}
+ };
+ var parameters = type.trim().split(';'); // first parameter should always be content-type
+
+ object.type = parameters.shift().trim();
+ parameters.forEach(function (parameter) {
+ var pair = parameter.trim().split('=');
+
+ if (pair.length > 1) {
+ var name = pair[0].replace(/"/g, '').trim();
+ var value = pair[1].replace(/"/g, '').trim();
+ object.parameters[name] = value;
+ }
+ });
+ return object;
+ };
+ /**
+ * Check if a codec string refers to an audio codec.
+ *
+ * @param {String} codec codec string to check
+ * @return {Boolean} if this is an audio codec
+ * @private
+ */
+
+
+ var isAudioCodec = function isAudioCodec(codec) {
+ return /mp4a\.\d+.\d+/i.test(codec);
+ };
+ /**
+ * Check if a codec string refers to a video codec.
+ *
+ * @param {String} codec codec string to check
+ * @return {Boolean} if this is a video codec
+ * @private
+ */
+
+
+ var isVideoCodec = function isVideoCodec(codec) {
+ return /avc1\.[\da-f]+/i.test(codec);
+ };
+ /**
+ * Returns a list of gops in the buffer that have a pts value of 3 seconds or more in
+ * front of current time.
+ *
+ * @param {Array} buffer
+ * The current buffer of gop information
+ * @param {Number} currentTime
+ * The current time
+ * @param {Double} mapping
+ * Offset to map display time to stream presentation time
+ * @return {Array}
+ * List of gops considered safe to append over
+ */
+
+
+ var gopsSafeToAlignWith = function gopsSafeToAlignWith(buffer, currentTime, mapping) {
+ if (typeof currentTime === 'undefined' || currentTime === null || !buffer.length) {
+ return [];
+ } // pts value for current time + 3 seconds to give a bit more wiggle room
+
+
+ var currentTimePts = Math.ceil((currentTime - mapping + 3) * 90000);
+ var i = void 0;
+
+ for (i = 0; i < buffer.length; i++) {
+ if (buffer[i].pts > currentTimePts) {
+ break;
+ }
+ }
+
+ return buffer.slice(i);
+ };
+ /**
+ * Appends gop information (timing and byteLength) received by the transmuxer for the
+ * gops appended in the last call to appendBuffer
+ *
+ * @param {Array} buffer
+ * The current buffer of gop information
+ * @param {Array} gops
+ * List of new gop information
+ * @param {boolean} replace
+ * If true, replace the buffer with the new gop information. If false, append the
+ * new gop information to the buffer in the right location of time.
+ * @return {Array}
+ * Updated list of gop information
+ */
+
+
+ var updateGopBuffer = function updateGopBuffer(buffer, gops, replace) {
+ if (!gops.length) {
+ return buffer;
+ }
+
+ if (replace) {
+ // If we are in safe append mode, then completely overwrite the gop buffer
+ // with the most recent appeneded data. This will make sure that when appending
+ // future segments, we only try to align with gops that are both ahead of current
+ // time and in the last segment appended.
+ return gops.slice();
+ }
+
+ var start = gops[0].pts;
+ var i = 0;
+
+ for (i; i < buffer.length; i++) {
+ if (buffer[i].pts >= start) {
+ break;
+ }
+ }
+
+ return buffer.slice(0, i).concat(gops);
+ };
+ /**
+ * Removes gop information in buffer that overlaps with provided start and end
+ *
+ * @param {Array} buffer
+ * The current buffer of gop information
+ * @param {Double} start
+ * position to start the remove at
+ * @param {Double} end
+ * position to end the remove at
+ * @param {Double} mapping
+ * Offset to map display time to stream presentation time
+ */
+
+
+ var removeGopBuffer = function removeGopBuffer(buffer, start, end, mapping) {
+ var startPts = Math.ceil((start - mapping) * 90000);
+ var endPts = Math.ceil((end - mapping) * 90000);
+ var updatedBuffer = buffer.slice();
+ var i = buffer.length;
+
+ while (i--) {
+ if (buffer[i].pts <= endPts) {
+ break;
+ }
+ }
+
+ if (i === -1) {
+ // no removal because end of remove range is before start of buffer
+ return updatedBuffer;
+ }
+
+ var j = i + 1;
+
+ while (j--) {
+ if (buffer[j].pts <= startPts) {
+ break;
+ }
+ } // clamp remove range start to 0 index
+
+
+ j = Math.max(j, 0);
+ updatedBuffer.splice(j, i - j + 1);
+ return updatedBuffer;
+ };
+
+ var buffered = function buffered(videoBuffer, audioBuffer, audioDisabled) {
+ var start = null;
+ var end = null;
+ var arity = 0;
+ var extents = [];
+ var ranges = []; // neither buffer has been created yet
+
+ if (!videoBuffer && !audioBuffer) {
+ return videojs$1.createTimeRange();
+ } // only one buffer is configured
+
+
+ if (!videoBuffer) {
+ return audioBuffer.buffered;
+ }
+
+ if (!audioBuffer) {
+ return videoBuffer.buffered;
+ } // both buffers are configured
+
+
+ if (audioDisabled) {
+ return videoBuffer.buffered;
+ } // both buffers are empty
+
+
+ if (videoBuffer.buffered.length === 0 && audioBuffer.buffered.length === 0) {
+ return videojs$1.createTimeRange();
+ } // Handle the case where we have both buffers and create an
+ // intersection of the two
+
+
+ var videoBuffered = videoBuffer.buffered;
+ var audioBuffered = audioBuffer.buffered;
+ var count = videoBuffered.length; // A) Gather up all start and end times
+
+ while (count--) {
+ extents.push({
+ time: videoBuffered.start(count),
+ type: 'start'
+ });
+ extents.push({
+ time: videoBuffered.end(count),
+ type: 'end'
+ });
+ }
+
+ count = audioBuffered.length;
+
+ while (count--) {
+ extents.push({
+ time: audioBuffered.start(count),
+ type: 'start'
+ });
+ extents.push({
+ time: audioBuffered.end(count),
+ type: 'end'
+ });
+ } // B) Sort them by time
+
+
+ extents.sort(function (a, b) {
+ return a.time - b.time;
+ }); // C) Go along one by one incrementing arity for start and decrementing
+ // arity for ends
+
+ for (count = 0; count < extents.length; count++) {
+ if (extents[count].type === 'start') {
+ arity++; // D) If arity is ever incremented to 2 we are entering an
+ // overlapping range
+
+ if (arity === 2) {
+ start = extents[count].time;
+ }
+ } else if (extents[count].type === 'end') {
+ arity--; // E) If arity is ever decremented to 1 we leaving an
+ // overlapping range
+
+ if (arity === 1) {
+ end = extents[count].time;
+ }
+ } // F) Record overlapping ranges
+
+
+ if (start !== null && end !== null) {
+ ranges.push([start, end]);
+ start = null;
+ end = null;
+ }
+ }
+
+ return videojs$1.createTimeRanges(ranges);
+ };
+ /**
+ * @file virtual-source-buffer.js
+ */
+
+
+ var ONE_SECOND_IN_TS$2 = 90000; // We create a wrapper around the SourceBuffer so that we can manage the
+ // state of the `updating` property manually. We have to do this because
+ // Firefox changes `updating` to false long before triggering `updateend`
+ // events and that was causing strange problems in videojs-contrib-hls
+
+ var makeWrappedSourceBuffer = function makeWrappedSourceBuffer(mediaSource, mimeType) {
+ var sourceBuffer = mediaSource.addSourceBuffer(mimeType);
+ var wrapper = Object.create(null);
+ wrapper.updating = false;
+ wrapper.realBuffer_ = sourceBuffer;
+
+ var _loop = function _loop(key) {
+ if (typeof sourceBuffer[key] === 'function') {
+ wrapper[key] = function () {
+ return sourceBuffer[key].apply(sourceBuffer, arguments);
+ };
+ } else if (typeof wrapper[key] === 'undefined') {
+ Object.defineProperty(wrapper, key, {
+ get: function get$$1() {
+ return sourceBuffer[key];
+ },
+ set: function set$$1(v) {
+ return sourceBuffer[key] = v;
+ }
+ });
+ }
+ };
+
+ for (var key in sourceBuffer) {
+ _loop(key);
+ }
+
+ return wrapper;
+ };
+ /**
+ * VirtualSourceBuffers exist so that we can transmux non native formats
+ * into a native format, but keep the same api as a native source buffer.
+ * It creates a transmuxer, that works in its own thread (a web worker) and
+ * that transmuxer muxes the data into a native format. VirtualSourceBuffer will
+ * then send all of that data to the naive sourcebuffer so that it is
+ * indestinguishable from a natively supported format.
+ *
+ * @param {HtmlMediaSource} mediaSource the parent mediaSource
+ * @param {Array} codecs array of codecs that we will be dealing with
+ * @class VirtualSourceBuffer
+ * @extends video.js.EventTarget
+ */
+
+
+ var VirtualSourceBuffer = function (_videojs$EventTarget) {
+ inherits$2(VirtualSourceBuffer, _videojs$EventTarget);
+
+ function VirtualSourceBuffer(mediaSource, codecs) {
+ classCallCheck$1(this, VirtualSourceBuffer);
+
+ var _this = possibleConstructorReturn$1(this, (VirtualSourceBuffer.__proto__ || Object.getPrototypeOf(VirtualSourceBuffer)).call(this, videojs$1.EventTarget));
+
+ _this.timestampOffset_ = 0;
+ _this.pendingBuffers_ = [];
+ _this.bufferUpdating_ = false;
+ _this.mediaSource_ = mediaSource;
+ _this.codecs_ = codecs;
+ _this.audioCodec_ = null;
+ _this.videoCodec_ = null;
+ _this.audioDisabled_ = false;
+ _this.appendAudioInitSegment_ = true;
+ _this.gopBuffer_ = [];
+ _this.timeMapping_ = 0;
+ _this.safeAppend_ = videojs$1.browser.IE_VERSION >= 11;
+ var options = {
+ remux: false,
+ alignGopsAtEnd: _this.safeAppend_
+ };
+
+ _this.codecs_.forEach(function (codec) {
+ if (isAudioCodec(codec)) {
+ _this.audioCodec_ = codec;
+ } else if (isVideoCodec(codec)) {
+ _this.videoCodec_ = codec;
+ }
+ }); // append muxed segments to their respective native buffers as
+ // soon as they are available
+
+
+ _this.transmuxer_ = new TransmuxWorker();
+
+ _this.transmuxer_.postMessage({
+ action: 'init',
+ options: options
+ });
+
+ _this.transmuxer_.onmessage = function (event) {
+ if (event.data.action === 'data') {
+ return _this.data_(event);
+ }
+
+ if (event.data.action === 'done') {
+ return _this.done_(event);
+ }
+
+ if (event.data.action === 'gopInfo') {
+ return _this.appendGopInfo_(event);
+ }
+
+ if (event.data.action === 'videoSegmentTimingInfo') {
+ return _this.videoSegmentTimingInfo_(event.data.videoSegmentTimingInfo);
+ }
+ }; // this timestampOffset is a property with the side-effect of resetting
+ // baseMediaDecodeTime in the transmuxer on the setter
+
+
+ Object.defineProperty(_this, 'timestampOffset', {
+ get: function get$$1() {
+ return this.timestampOffset_;
+ },
+ set: function set$$1(val) {
+ if (typeof val === 'number' && val >= 0) {
+ this.timestampOffset_ = val;
+ this.appendAudioInitSegment_ = true; // reset gop buffer on timestampoffset as this signals a change in timeline
+
+ this.gopBuffer_.length = 0;
+ this.timeMapping_ = 0; // We have to tell the transmuxer to set the baseMediaDecodeTime to
+ // the desired timestampOffset for the next segment
+
+ this.transmuxer_.postMessage({
+ action: 'setTimestampOffset',
+ timestampOffset: val
+ });
+ }
+ }
+ }); // setting the append window affects both source buffers
+
+ Object.defineProperty(_this, 'appendWindowStart', {
+ get: function get$$1() {
+ return (this.videoBuffer_ || this.audioBuffer_).appendWindowStart;
+ },
+ set: function set$$1(start) {
+ if (this.videoBuffer_) {
+ this.videoBuffer_.appendWindowStart = start;
+ }
+
+ if (this.audioBuffer_) {
+ this.audioBuffer_.appendWindowStart = start;
+ }
+ }
+ }); // this buffer is "updating" if either of its native buffers are
+
+ Object.defineProperty(_this, 'updating', {
+ get: function get$$1() {
+ return !!(this.bufferUpdating_ || !this.audioDisabled_ && this.audioBuffer_ && this.audioBuffer_.updating || this.videoBuffer_ && this.videoBuffer_.updating);
+ }
+ }); // the buffered property is the intersection of the buffered
+ // ranges of the native source buffers
+
+ Object.defineProperty(_this, 'buffered', {
+ get: function get$$1() {
+ return buffered(this.videoBuffer_, this.audioBuffer_, this.audioDisabled_);
+ }
+ });
+ return _this;
+ }
+ /**
+ * When we get a data event from the transmuxer
+ * we call this function and handle the data that
+ * was sent to us
+ *
+ * @private
+ * @param {Event} event the data event from the transmuxer
+ */
+
+
+ createClass$1(VirtualSourceBuffer, [{
+ key: 'data_',
+ value: function data_(event) {
+ var segment = event.data.segment; // Cast ArrayBuffer to TypedArray
+
+ segment.data = new Uint8Array(segment.data, event.data.byteOffset, event.data.byteLength);
+ segment.initSegment = new Uint8Array(segment.initSegment.data, segment.initSegment.byteOffset, segment.initSegment.byteLength);
+ createTextTracksIfNecessary(this, this.mediaSource_, segment); // Add the segments to the pendingBuffers array
+
+ this.pendingBuffers_.push(segment);
+ return;
+ }
+ /**
+ * When we get a done event from the transmuxer
+ * we call this function and we process all
+ * of the pending data that we have been saving in the
+ * data_ function
+ *
+ * @private
+ * @param {Event} event the done event from the transmuxer
+ */
+
+ }, {
+ key: 'done_',
+ value: function done_(event) {
+ // Don't process and append data if the mediaSource is closed
+ if (this.mediaSource_.readyState === 'closed') {
+ this.pendingBuffers_.length = 0;
+ return;
+ } // All buffers should have been flushed from the muxer
+ // start processing anything we have received
+
+
+ this.processPendingSegments_();
+ return;
+ }
+ }, {
+ key: 'videoSegmentTimingInfo_',
+ value: function videoSegmentTimingInfo_(timingInfo) {
+ var timingInfoInSeconds = {
+ start: {
+ decode: timingInfo.start.dts / ONE_SECOND_IN_TS$2,
+ presentation: timingInfo.start.pts / ONE_SECOND_IN_TS$2
+ },
+ end: {
+ decode: timingInfo.end.dts / ONE_SECOND_IN_TS$2,
+ presentation: timingInfo.end.pts / ONE_SECOND_IN_TS$2
+ },
+ baseMediaDecodeTime: timingInfo.baseMediaDecodeTime / ONE_SECOND_IN_TS$2
+ };
+
+ if (timingInfo.prependedContentDuration) {
+ timingInfoInSeconds.prependedContentDuration = timingInfo.prependedContentDuration / ONE_SECOND_IN_TS$2;
+ }
+
+ this.trigger({
+ type: 'videoSegmentTimingInfo',
+ videoSegmentTimingInfo: timingInfoInSeconds
+ });
+ }
+ /**
+ * Create our internal native audio/video source buffers and add
+ * event handlers to them with the following conditions:
+ * 1. they do not already exist on the mediaSource
+ * 2. this VSB has a codec for them
+ *
+ * @private
+ */
+
+ }, {
+ key: 'createRealSourceBuffers_',
+ value: function createRealSourceBuffers_() {
+ var _this2 = this;
+
+ var types = ['audio', 'video'];
+ types.forEach(function (type) {
+ // Don't create a SourceBuffer of this type if we don't have a
+ // codec for it
+ if (!_this2[type + 'Codec_']) {
+ return;
+ } // Do nothing if a SourceBuffer of this type already exists
+
+
+ if (_this2[type + 'Buffer_']) {
+ return;
+ }
+
+ var buffer = null; // If the mediasource already has a SourceBuffer for the codec
+ // use that
+
+ if (_this2.mediaSource_[type + 'Buffer_']) {
+ buffer = _this2.mediaSource_[type + 'Buffer_']; // In multiple audio track cases, the audio source buffer is disabled
+ // on the main VirtualSourceBuffer by the HTMLMediaSource much earlier
+ // than createRealSourceBuffers_ is called to create the second
+ // VirtualSourceBuffer because that happens as a side-effect of
+ // videojs-contrib-hls starting the audioSegmentLoader. As a result,
+ // the audioBuffer is essentially "ownerless" and no one will toggle
+ // the `updating` state back to false once the `updateend` event is received
+ //
+ // Setting `updating` to false manually will work around this
+ // situation and allow work to continue
+
+ buffer.updating = false;
+ } else {
+ var codecProperty = type + 'Codec_';
+ var mimeType = type + '/mp4;codecs="' + _this2[codecProperty] + '"';
+ buffer = makeWrappedSourceBuffer(_this2.mediaSource_.nativeMediaSource_, mimeType);
+ _this2.mediaSource_[type + 'Buffer_'] = buffer;
+ }
+
+ _this2[type + 'Buffer_'] = buffer; // Wire up the events to the SourceBuffer
+
+ ['update', 'updatestart', 'updateend'].forEach(function (event) {
+ buffer.addEventListener(event, function () {
+ // if audio is disabled
+ if (type === 'audio' && _this2.audioDisabled_) {
+ return;
+ }
+
+ if (event === 'updateend') {
+ _this2[type + 'Buffer_'].updating = false;
+ }
+
+ var shouldTrigger = types.every(function (t) {
+ // skip checking audio's updating status if audio
+ // is not enabled
+ if (t === 'audio' && _this2.audioDisabled_) {
+ return true;
+ } // if the other type is updating we don't trigger
+
+
+ if (type !== t && _this2[t + 'Buffer_'] && _this2[t + 'Buffer_'].updating) {
+ return false;
+ }
+
+ return true;
+ });
+
+ if (shouldTrigger) {
+ return _this2.trigger(event);
+ }
+ });
+ });
+ });
+ }
+ /**
+ * Emulate the native mediasource function, but our function will
+ * send all of the proposed segments to the transmuxer so that we
+ * can transmux them before we append them to our internal
+ * native source buffers in the correct format.
+ *
+ * @link https://developer.mozilla.org/en-US/docs/Web/API/SourceBuffer/appendBuffer
+ * @param {Uint8Array} segment the segment to append to the buffer
+ */
+
+ }, {
+ key: 'appendBuffer',
+ value: function appendBuffer(segment) {
+ // Start the internal "updating" state
+ this.bufferUpdating_ = true;
+
+ if (this.audioBuffer_ && this.audioBuffer_.buffered.length) {
+ var audioBuffered = this.audioBuffer_.buffered;
+ this.transmuxer_.postMessage({
+ action: 'setAudioAppendStart',
+ appendStart: audioBuffered.end(audioBuffered.length - 1)
+ });
+ }
+
+ if (this.videoBuffer_) {
+ this.transmuxer_.postMessage({
+ action: 'alignGopsWith',
+ gopsToAlignWith: gopsSafeToAlignWith(this.gopBuffer_, this.mediaSource_.player_ ? this.mediaSource_.player_.currentTime() : null, this.timeMapping_)
+ });
+ }
+
+ this.transmuxer_.postMessage({
+ action: 'push',
+ // Send the typed-array of data as an ArrayBuffer so that
+ // it can be sent as a "Transferable" and avoid the costly
+ // memory copy
+ data: segment.buffer,
+ // To recreate the original typed-array, we need information
+ // about what portion of the ArrayBuffer it was a view into
+ byteOffset: segment.byteOffset,
+ byteLength: segment.byteLength
+ }, [segment.buffer]);
+ this.transmuxer_.postMessage({
+ action: 'flush'
+ });
+ }
+ /**
+ * Appends gop information (timing and byteLength) received by the transmuxer for the
+ * gops appended in the last call to appendBuffer
+ *
+ * @param {Event} event
+ * The gopInfo event from the transmuxer
+ * @param {Array} event.data.gopInfo
+ * List of gop info to append
+ */
+
+ }, {
+ key: 'appendGopInfo_',
+ value: function appendGopInfo_(event) {
+ this.gopBuffer_ = updateGopBuffer(this.gopBuffer_, event.data.gopInfo, this.safeAppend_);
+ }
+ /**
+ * Emulate the native mediasource function and remove parts
+ * of the buffer from any of our internal buffers that exist
+ *
+ * @link https://developer.mozilla.org/en-US/docs/Web/API/SourceBuffer/remove
+ * @param {Double} start position to start the remove at
+ * @param {Double} end position to end the remove at
+ */
+
+ }, {
+ key: 'remove',
+ value: function remove(start, end) {
+ if (this.videoBuffer_) {
+ this.videoBuffer_.updating = true;
+ this.videoBuffer_.remove(start, end);
+ this.gopBuffer_ = removeGopBuffer(this.gopBuffer_, start, end, this.timeMapping_);
+ }
+
+ if (!this.audioDisabled_ && this.audioBuffer_) {
+ this.audioBuffer_.updating = true;
+ this.audioBuffer_.remove(start, end);
+ } // Remove Metadata Cues (id3)
+
+
+ removeCuesFromTrack(start, end, this.metadataTrack_); // Remove Any Captions
+
+ if (this.inbandTextTracks_) {
+ for (var track in this.inbandTextTracks_) {
+ removeCuesFromTrack(start, end, this.inbandTextTracks_[track]);
+ }
+ }
+ }
+ /**
+ * Process any segments that the muxer has output
+ * Concatenate segments together based on type and append them into
+ * their respective sourceBuffers
+ *
+ * @private
+ */
+
+ }, {
+ key: 'processPendingSegments_',
+ value: function processPendingSegments_() {
+ var sortedSegments = {
+ video: {
+ segments: [],
+ bytes: 0
+ },
+ audio: {
+ segments: [],
+ bytes: 0
+ },
+ captions: [],
+ metadata: []
+ };
+
+ if (!this.pendingBuffers_.length) {
+ // We are no longer in the internal "updating" state
+ this.trigger('updateend');
+ this.bufferUpdating_ = false;
+ return;
+ } // Sort segments into separate video/audio arrays and
+ // keep track of their total byte lengths
+
+
+ sortedSegments = this.pendingBuffers_.reduce(function (segmentObj, segment) {
+ var type = segment.type;
+ var data = segment.data;
+ var initSegment = segment.initSegment;
+ segmentObj[type].segments.push(data);
+ segmentObj[type].bytes += data.byteLength;
+ segmentObj[type].initSegment = initSegment; // Gather any captions into a single array
+
+ if (segment.captions) {
+ segmentObj.captions = segmentObj.captions.concat(segment.captions);
+ }
+
+ if (segment.info) {
+ segmentObj[type].info = segment.info;
+ } // Gather any metadata into a single array
+
+
+ if (segment.metadata) {
+ segmentObj.metadata = segmentObj.metadata.concat(segment.metadata);
+ }
+
+ return segmentObj;
+ }, sortedSegments); // Create the real source buffers if they don't exist by now since we
+ // finally are sure what tracks are contained in the source
+
+ if (!this.videoBuffer_ && !this.audioBuffer_) {
+ // Remove any codecs that may have been specified by default but
+ // are no longer applicable now
+ if (sortedSegments.video.bytes === 0) {
+ this.videoCodec_ = null;
+ }
+
+ if (sortedSegments.audio.bytes === 0) {
+ this.audioCodec_ = null;
+ }
+
+ this.createRealSourceBuffers_();
+ }
+
+ if (sortedSegments.audio.info) {
+ this.mediaSource_.trigger({
+ type: 'audioinfo',
+ info: sortedSegments.audio.info
+ });
+ }
+
+ if (sortedSegments.video.info) {
+ this.mediaSource_.trigger({
+ type: 'videoinfo',
+ info: sortedSegments.video.info
+ });
+ }
+
+ if (this.appendAudioInitSegment_) {
+ if (!this.audioDisabled_ && this.audioBuffer_) {
+ sortedSegments.audio.segments.unshift(sortedSegments.audio.initSegment);
+ sortedSegments.audio.bytes += sortedSegments.audio.initSegment.byteLength;
+ }
+
+ this.appendAudioInitSegment_ = false;
+ }
+
+ var triggerUpdateend = false; // Merge multiple video and audio segments into one and append
+
+ if (this.videoBuffer_ && sortedSegments.video.bytes) {
+ sortedSegments.video.segments.unshift(sortedSegments.video.initSegment);
+ sortedSegments.video.bytes += sortedSegments.video.initSegment.byteLength;
+ this.concatAndAppendSegments_(sortedSegments.video, this.videoBuffer_);
+ } else if (this.videoBuffer_ && (this.audioDisabled_ || !this.audioBuffer_)) {
+ // The transmuxer did not return any bytes of video, meaning it was all trimmed
+ // for gop alignment. Since we have a video buffer and audio is disabled, updateend
+ // will never be triggered by this source buffer, which will cause contrib-hls
+ // to be stuck forever waiting for updateend. If audio is not disabled, updateend
+ // will be triggered by the audio buffer, which will be sent upwards since the video
+ // buffer will not be in an updating state.
+ triggerUpdateend = true;
+ } // Add text-track data for all
+
+
+ addTextTrackData(this, sortedSegments.captions, sortedSegments.metadata);
+
+ if (!this.audioDisabled_ && this.audioBuffer_) {
+ this.concatAndAppendSegments_(sortedSegments.audio, this.audioBuffer_);
+ }
+
+ this.pendingBuffers_.length = 0;
+
+ if (triggerUpdateend) {
+ this.trigger('updateend');
+ } // We are no longer in the internal "updating" state
+
+
+ this.bufferUpdating_ = false;
+ }
+ /**
+ * Combine all segments into a single Uint8Array and then append them
+ * to the destination buffer
+ *
+ * @param {Object} segmentObj
+ * @param {SourceBuffer} destinationBuffer native source buffer to append data to
+ * @private
+ */
+
+ }, {
+ key: 'concatAndAppendSegments_',
+ value: function concatAndAppendSegments_(segmentObj, destinationBuffer) {
+ var offset = 0;
+ var tempBuffer = void 0;
+
+ if (segmentObj.bytes) {
+ tempBuffer = new Uint8Array(segmentObj.bytes); // Combine the individual segments into one large typed-array
+
+ segmentObj.segments.forEach(function (segment) {
+ tempBuffer.set(segment, offset);
+ offset += segment.byteLength;
+ });
+
+ try {
+ destinationBuffer.updating = true;
+ destinationBuffer.appendBuffer(tempBuffer);
+ } catch (error) {
+ if (this.mediaSource_.player_) {
+ this.mediaSource_.player_.error({
+ code: -3,
+ type: 'APPEND_BUFFER_ERR',
+ message: error.message,
+ originalError: error
+ });
+ }
+ }
+ }
+ }
+ /**
+ * Emulate the native mediasource function. abort any soureBuffer
+ * actions and throw out any un-appended data.
+ *
+ * @link https://developer.mozilla.org/en-US/docs/Web/API/SourceBuffer/abort
+ */
+
+ }, {
+ key: 'abort',
+ value: function abort() {
+ if (this.videoBuffer_) {
+ this.videoBuffer_.abort();
+ }
+
+ if (!this.audioDisabled_ && this.audioBuffer_) {
+ this.audioBuffer_.abort();
+ }
+
+ if (this.transmuxer_) {
+ this.transmuxer_.postMessage({
+ action: 'reset'
+ });
+ }
+
+ this.pendingBuffers_.length = 0;
+ this.bufferUpdating_ = false;
+ }
+ }, {
+ key: 'dispose',
+ value: function dispose() {
+ if (this.transmuxer_) {
+ this.transmuxer_.terminate();
+ }
+
+ this.trigger('dispose');
+ this.off();
+ }
+ }]);
+ return VirtualSourceBuffer;
+ }(videojs$1.EventTarget);
+ /**
+ * @file html-media-source.js
+ */
+
+ /**
+ * Our MediaSource implementation in HTML, mimics native
+ * MediaSource where/if possible.
+ *
+ * @link https://developer.mozilla.org/en-US/docs/Web/API/MediaSource
+ * @class HtmlMediaSource
+ * @extends videojs.EventTarget
+ */
+
+
+ var HtmlMediaSource = function (_videojs$EventTarget) {
+ inherits$2(HtmlMediaSource, _videojs$EventTarget);
+
+ function HtmlMediaSource() {
+ classCallCheck$1(this, HtmlMediaSource);
+
+ var _this = possibleConstructorReturn$1(this, (HtmlMediaSource.__proto__ || Object.getPrototypeOf(HtmlMediaSource)).call(this));
+
+ var property = void 0;
+ _this.nativeMediaSource_ = new window$3.MediaSource(); // delegate to the native MediaSource's methods by default
+
+ for (property in _this.nativeMediaSource_) {
+ if (!(property in HtmlMediaSource.prototype) && typeof _this.nativeMediaSource_[property] === 'function') {
+ _this[property] = _this.nativeMediaSource_[property].bind(_this.nativeMediaSource_);
+ }
+ } // emulate `duration` and `seekable` until seeking can be
+ // handled uniformly for live streams
+ // see https://github.com/w3c/media-source/issues/5
+
+
+ _this.duration_ = NaN;
+ Object.defineProperty(_this, 'duration', {
+ get: function get$$1() {
+ if (this.duration_ === Infinity) {
+ return this.duration_;
+ }
+
+ return this.nativeMediaSource_.duration;
+ },
+ set: function set$$1(duration) {
+ this.duration_ = duration;
+
+ if (duration !== Infinity) {
+ this.nativeMediaSource_.duration = duration;
+ return;
+ }
+ }
+ });
+ Object.defineProperty(_this, 'seekable', {
+ get: function get$$1() {
+ if (this.duration_ === Infinity) {
+ return videojs$1.createTimeRanges([[0, this.nativeMediaSource_.duration]]);
+ }
+
+ return this.nativeMediaSource_.seekable;
+ }
+ });
+ Object.defineProperty(_this, 'readyState', {
+ get: function get$$1() {
+ return this.nativeMediaSource_.readyState;
+ }
+ });
+ Object.defineProperty(_this, 'activeSourceBuffers', {
+ get: function get$$1() {
+ return this.activeSourceBuffers_;
+ }
+ }); // the list of virtual and native SourceBuffers created by this
+ // MediaSource
+
+ _this.sourceBuffers = [];
+ _this.activeSourceBuffers_ = [];
+ /**
+ * update the list of active source buffers based upon various
+ * imformation from HLS and video.js
+ *
+ * @private
+ */
+
+ _this.updateActiveSourceBuffers_ = function () {
+ // Retain the reference but empty the array
+ _this.activeSourceBuffers_.length = 0; // If there is only one source buffer, then it will always be active and audio will
+ // be disabled based on the codec of the source buffer
+
+ if (_this.sourceBuffers.length === 1) {
+ var sourceBuffer = _this.sourceBuffers[0];
+ sourceBuffer.appendAudioInitSegment_ = true;
+ sourceBuffer.audioDisabled_ = !sourceBuffer.audioCodec_;
+
+ _this.activeSourceBuffers_.push(sourceBuffer);
+
+ return;
+ } // There are 2 source buffers, a combined (possibly video only) source buffer and
+ // and an audio only source buffer.
+ // By default, the audio in the combined virtual source buffer is enabled
+ // and the audio-only source buffer (if it exists) is disabled.
+
+
+ var disableCombined = false;
+ var disableAudioOnly = true; // TODO: maybe we can store the sourcebuffers on the track objects?
+ // safari may do something like this
+
+ for (var i = 0; i < _this.player_.audioTracks().length; i++) {
+ var track = _this.player_.audioTracks()[i];
+
+ if (track.enabled && track.kind !== 'main') {
+ // The enabled track is an alternate audio track so disable the audio in
+ // the combined source buffer and enable the audio-only source buffer.
+ disableCombined = true;
+ disableAudioOnly = false;
+ break;
+ }
+ }
+
+ _this.sourceBuffers.forEach(function (sourceBuffer, index) {
+ /* eslinst-disable */
+ // TODO once codecs are required, we can switch to using the codecs to determine
+ // what stream is the video stream, rather than relying on videoTracks
+
+ /* eslinst-enable */
+ sourceBuffer.appendAudioInitSegment_ = true;
+
+ if (sourceBuffer.videoCodec_ && sourceBuffer.audioCodec_) {
+ // combined
+ sourceBuffer.audioDisabled_ = disableCombined;
+ } else if (sourceBuffer.videoCodec_ && !sourceBuffer.audioCodec_) {
+ // If the "combined" source buffer is video only, then we do not want
+ // disable the audio-only source buffer (this is mostly for demuxed
+ // audio and video hls)
+ sourceBuffer.audioDisabled_ = true;
+ disableAudioOnly = false;
+ } else if (!sourceBuffer.videoCodec_ && sourceBuffer.audioCodec_) {
+ // audio only
+ // In the case of audio only with alternate audio and disableAudioOnly is true
+ // this means we want to disable the audio on the alternate audio sourcebuffer
+ // but not the main "combined" source buffer. The "combined" source buffer is
+ // always at index 0, so this ensures audio won't be disabled in both source
+ // buffers.
+ sourceBuffer.audioDisabled_ = index ? disableAudioOnly : !disableAudioOnly;
+
+ if (sourceBuffer.audioDisabled_) {
+ return;
+ }
+ }
+
+ _this.activeSourceBuffers_.push(sourceBuffer);
+ });
+ };
+
+ _this.onPlayerMediachange_ = function () {
+ _this.sourceBuffers.forEach(function (sourceBuffer) {
+ sourceBuffer.appendAudioInitSegment_ = true;
+ });
+ };
+
+ _this.onHlsReset_ = function () {
+ _this.sourceBuffers.forEach(function (sourceBuffer) {
+ if (sourceBuffer.transmuxer_) {
+ sourceBuffer.transmuxer_.postMessage({
+ action: 'resetCaptions'
+ });
+ }
+ });
+ };
+
+ _this.onHlsSegmentTimeMapping_ = function (event) {
+ _this.sourceBuffers.forEach(function (buffer) {
+ return buffer.timeMapping_ = event.mapping;
+ });
+ }; // Re-emit MediaSource events on the polyfill
+
+
+ ['sourceopen', 'sourceclose', 'sourceended'].forEach(function (eventName) {
+ this.nativeMediaSource_.addEventListener(eventName, this.trigger.bind(this));
+ }, _this); // capture the associated player when the MediaSource is
+ // successfully attached
+
+ _this.on('sourceopen', function (event) {
+ // Get the player this MediaSource is attached to
+ var video = document.querySelector('[src="' + _this.url_ + '"]');
+
+ if (!video) {
+ return;
+ }
+
+ _this.player_ = videojs$1(video.parentNode);
+
+ if (!_this.player_) {
+ return;
+ } // hls-reset is fired by videojs.Hls on to the tech after the main SegmentLoader
+ // resets its state and flushes the buffer
+
+
+ _this.player_.tech_.on('hls-reset', _this.onHlsReset_); // hls-segment-time-mapping is fired by videojs.Hls on to the tech after the main
+ // SegmentLoader inspects an MTS segment and has an accurate stream to display
+ // time mapping
+
+
+ _this.player_.tech_.on('hls-segment-time-mapping', _this.onHlsSegmentTimeMapping_);
+
+ if (_this.player_.audioTracks && _this.player_.audioTracks()) {
+ _this.player_.audioTracks().on('change', _this.updateActiveSourceBuffers_);
+
+ _this.player_.audioTracks().on('addtrack', _this.updateActiveSourceBuffers_);
+
+ _this.player_.audioTracks().on('removetrack', _this.updateActiveSourceBuffers_);
+ }
+
+ _this.player_.on('mediachange', _this.onPlayerMediachange_);
+ });
+
+ _this.on('sourceended', function (event) {
+ var duration = durationOfVideo(_this.duration);
+
+ for (var i = 0; i < _this.sourceBuffers.length; i++) {
+ var sourcebuffer = _this.sourceBuffers[i];
+ var cues = sourcebuffer.metadataTrack_ && sourcebuffer.metadataTrack_.cues;
+
+ if (cues && cues.length) {
+ cues[cues.length - 1].endTime = duration;
+ }
+ }
+ }); // explicitly terminate any WebWorkers that were created
+ // by SourceHandlers
+
+
+ _this.on('sourceclose', function (event) {
+ this.sourceBuffers.forEach(function (sourceBuffer) {
+ if (sourceBuffer.transmuxer_) {
+ sourceBuffer.transmuxer_.terminate();
+ }
+ });
+ this.sourceBuffers.length = 0;
+
+ if (!this.player_) {
+ return;
+ }
+
+ if (this.player_.audioTracks && this.player_.audioTracks()) {
+ this.player_.audioTracks().off('change', this.updateActiveSourceBuffers_);
+ this.player_.audioTracks().off('addtrack', this.updateActiveSourceBuffers_);
+ this.player_.audioTracks().off('removetrack', this.updateActiveSourceBuffers_);
+ } // We can only change this if the player hasn't been disposed of yet
+ // because `off` eventually tries to use the el_ property. If it has
+ // been disposed of, then don't worry about it because there are no
+ // event handlers left to unbind anyway
+
+
+ if (this.player_.el_) {
+ this.player_.off('mediachange', this.onPlayerMediachange_);
+ }
+
+ if (this.player_.tech_ && this.player_.tech_.el_) {
+ this.player_.tech_.off('hls-reset', this.onHlsReset_);
+ this.player_.tech_.off('hls-segment-time-mapping', this.onHlsSegmentTimeMapping_);
+ }
+ });
+
+ return _this;
+ }
+ /**
+ * Add a range that that can now be seeked to.
+ *
+ * @param {Double} start where to start the addition
+ * @param {Double} end where to end the addition
+ * @private
+ */
+
+
+ createClass$1(HtmlMediaSource, [{
+ key: 'addSeekableRange_',
+ value: function addSeekableRange_(start, end) {
+ var error = void 0;
+
+ if (this.duration !== Infinity) {
+ error = new Error('MediaSource.addSeekableRange() can only be invoked ' + 'when the duration is Infinity');
+ error.name = 'InvalidStateError';
+ error.code = 11;
+ throw error;
+ }
+
+ if (end > this.nativeMediaSource_.duration || isNaN(this.nativeMediaSource_.duration)) {
+ this.nativeMediaSource_.duration = end;
+ }
+ }
+ /**
+ * Add a source buffer to the media source.
+ *
+ * @link https://developer.mozilla.org/en-US/docs/Web/API/MediaSource/addSourceBuffer
+ * @param {String} type the content-type of the content
+ * @return {Object} the created source buffer
+ */
+
+ }, {
+ key: 'addSourceBuffer',
+ value: function addSourceBuffer(type) {
+ var buffer = void 0;
+ var parsedType = parseContentType(type); // Create a VirtualSourceBuffer to transmux MPEG-2 transport
+ // stream segments into fragmented MP4s
+
+ if (/^(video|audio)\/mp2t$/i.test(parsedType.type)) {
+ var codecs = [];
+
+ if (parsedType.parameters && parsedType.parameters.codecs) {
+ codecs = parsedType.parameters.codecs.split(',');
+ codecs = translateLegacyCodecs(codecs);
+ codecs = codecs.filter(function (codec) {
+ return isAudioCodec(codec) || isVideoCodec(codec);
+ });
+ }
+
+ if (codecs.length === 0) {
+ codecs = ['avc1.4d400d', 'mp4a.40.2'];
+ }
+
+ buffer = new VirtualSourceBuffer(this, codecs);
+
+ if (this.sourceBuffers.length !== 0) {
+ // If another VirtualSourceBuffer already exists, then we are creating a
+ // SourceBuffer for an alternate audio track and therefore we know that
+ // the source has both an audio and video track.
+ // That means we should trigger the manual creation of the real
+ // SourceBuffers instead of waiting for the transmuxer to return data
+ this.sourceBuffers[0].createRealSourceBuffers_();
+ buffer.createRealSourceBuffers_(); // Automatically disable the audio on the first source buffer if
+ // a second source buffer is ever created
+
+ this.sourceBuffers[0].audioDisabled_ = true;
+ }
+ } else {
+ // delegate to the native implementation
+ buffer = this.nativeMediaSource_.addSourceBuffer(type);
+ }
+
+ this.sourceBuffers.push(buffer);
+ return buffer;
+ }
+ }, {
+ key: 'dispose',
+ value: function dispose() {
+ this.trigger('dispose');
+ this.off();
+ this.sourceBuffers.forEach(function (buffer) {
+ if (buffer.dispose) {
+ buffer.dispose();
+ }
+ });
+ this.sourceBuffers.length = 0;
+ }
+ }]);
+ return HtmlMediaSource;
+ }(videojs$1.EventTarget);
+ /**
+ * @file videojs-contrib-media-sources.js
+ */
+
+
+ var urlCount = 0; // ------------
+ // Media Source
+ // ------------
+ // store references to the media sources so they can be connected
+ // to a video element (a swf object)
+ // TODO: can we store this somewhere local to this module?
+
+ videojs$1.mediaSources = {};
+ /**
+ * Provide a method for a swf object to notify JS that a
+ * media source is now open.
+ *
+ * @param {String} msObjectURL string referencing the MSE Object URL
+ * @param {String} swfId the swf id
+ */
+
+ var open = function open(msObjectURL, swfId) {
+ var mediaSource = videojs$1.mediaSources[msObjectURL];
+
+ if (mediaSource) {
+ mediaSource.trigger({
+ type: 'sourceopen',
+ swfId: swfId
+ });
+ } else {
+ throw new Error('Media Source not found (Video.js)');
+ }
+ };
+ /**
+ * Check to see if the native MediaSource object exists and supports
+ * an MP4 container with both H.264 video and AAC-LC audio.
+ *
+ * @return {Boolean} if native media sources are supported
+ */
+
+
+ var supportsNativeMediaSources = function supportsNativeMediaSources() {
+ return !!window$3.MediaSource && !!window$3.MediaSource.isTypeSupported && window$3.MediaSource.isTypeSupported('video/mp4;codecs="avc1.4d400d,mp4a.40.2"');
+ };
+ /**
+ * An emulation of the MediaSource API so that we can support
+ * native and non-native functionality. returns an instance of
+ * HtmlMediaSource.
+ *
+ * @link https://developer.mozilla.org/en-US/docs/Web/API/MediaSource/MediaSource
+ */
+
+
+ var MediaSource = function MediaSource() {
+ this.MediaSource = {
+ open: open,
+ supportsNativeMediaSources: supportsNativeMediaSources
+ };
+
+ if (supportsNativeMediaSources()) {
+ return new HtmlMediaSource();
+ }
+
+ throw new Error('Cannot use create a virtual MediaSource for this video');
+ };
+
+ MediaSource.open = open;
+ MediaSource.supportsNativeMediaSources = supportsNativeMediaSources;
+ /**
+ * A wrapper around the native URL for our MSE object
+ * implementation, this object is exposed under videojs.URL
+ *
+ * @link https://developer.mozilla.org/en-US/docs/Web/API/URL/URL
+ */
+
+ var URL$1 = {
+ /**
+ * A wrapper around the native createObjectURL for our objects.
+ * This function maps a native or emulated mediaSource to a blob
+ * url so that it can be loaded into video.js
+ *
+ * @link https://developer.mozilla.org/en-US/docs/Web/API/URL/createObjectURL
+ * @param {MediaSource} object the object to create a blob url to
+ */
+ createObjectURL: function createObjectURL(object) {
+ var objectUrlPrefix = 'blob:vjs-media-source/';
+ var url = void 0; // use the native MediaSource to generate an object URL
+
+ if (object instanceof HtmlMediaSource) {
+ url = window$3.URL.createObjectURL(object.nativeMediaSource_);
+ object.url_ = url;
+ return url;
+ } // if the object isn't an emulated MediaSource, delegate to the
+ // native implementation
+
+
+ if (!(object instanceof HtmlMediaSource)) {
+ url = window$3.URL.createObjectURL(object);
+ object.url_ = url;
+ return url;
+ } // build a URL that can be used to map back to the emulated
+ // MediaSource
+
+
+ url = objectUrlPrefix + urlCount;
+ urlCount++; // setup the mapping back to object
+
+ videojs$1.mediaSources[url] = object;
+ return url;
+ }
+ };
+ videojs$1.MediaSource = MediaSource;
+ videojs$1.URL = URL$1;
+ var EventTarget$1$1 = videojs$1.EventTarget,
+ mergeOptions$2 = videojs$1.mergeOptions;
+ /**
+ * Returns a new master manifest that is the result of merging an updated master manifest
+ * into the original version.
+ *
+ * @param {Object} oldMaster
+ * The old parsed mpd object
+ * @param {Object} newMaster
+ * The updated parsed mpd object
+ * @return {Object}
+ * A new object representing the original master manifest with the updated media
+ * playlists merged in
+ */
+
+ var updateMaster$1 = function updateMaster$$1(oldMaster, newMaster) {
+ var noChanges = void 0;
+ var update = mergeOptions$2(oldMaster, {
+ // These are top level properties that can be updated
+ duration: newMaster.duration,
+ minimumUpdatePeriod: newMaster.minimumUpdatePeriod
+ }); // First update the playlists in playlist list
+
+ for (var i = 0; i < newMaster.playlists.length; i++) {
+ var playlistUpdate = updateMaster(update, newMaster.playlists[i]);
+
+ if (playlistUpdate) {
+ update = playlistUpdate;
+ } else {
+ noChanges = true;
+ }
+ } // Then update media group playlists
+
+
+ forEachMediaGroup(newMaster, function (properties, type, group, label) {
+ if (properties.playlists && properties.playlists.length) {
+ var id = properties.playlists[0].id;
+
+ var _playlistUpdate = updateMaster(update, properties.playlists[0]);
+
+ if (_playlistUpdate) {
+ update = _playlistUpdate; // update the playlist reference within media groups
+
+ update.mediaGroups[type][group][label].playlists[0] = update.playlists[id];
+ noChanges = false;
+ }
+ }
+ });
+
+ if (noChanges) {
+ return null;
+ }
+
+ return update;
+ };
+
+ var generateSidxKey = function generateSidxKey(sidxInfo) {
+ // should be non-inclusive
+ var sidxByteRangeEnd = sidxInfo.byterange.offset + sidxInfo.byterange.length - 1;
+ return sidxInfo.uri + '-' + sidxInfo.byterange.offset + '-' + sidxByteRangeEnd;
+ }; // SIDX should be equivalent if the URI and byteranges of the SIDX match.
+ // If the SIDXs have maps, the two maps should match,
+ // both `a` and `b` missing SIDXs is considered matching.
+ // If `a` or `b` but not both have a map, they aren't matching.
+
+
+ var equivalentSidx = function equivalentSidx(a, b) {
+ var neitherMap = Boolean(!a.map && !b.map);
+ var equivalentMap = neitherMap || Boolean(a.map && b.map && a.map.byterange.offset === b.map.byterange.offset && a.map.byterange.length === b.map.byterange.length);
+ return equivalentMap && a.uri === b.uri && a.byterange.offset === b.byterange.offset && a.byterange.length === b.byterange.length;
+ }; // exported for testing
+
+
+ var compareSidxEntry = function compareSidxEntry(playlists, oldSidxMapping) {
+ var newSidxMapping = {};
+
+ for (var id in playlists) {
+ var playlist = playlists[id];
+ var currentSidxInfo = playlist.sidx;
+
+ if (currentSidxInfo) {
+ var key = generateSidxKey(currentSidxInfo);
+
+ if (!oldSidxMapping[key]) {
+ break;
+ }
+
+ var savedSidxInfo = oldSidxMapping[key].sidxInfo;
+
+ if (equivalentSidx(savedSidxInfo, currentSidxInfo)) {
+ newSidxMapping[key] = oldSidxMapping[key];
+ }
+ }
+ }
+
+ return newSidxMapping;
+ };
+ /**
+ * A function that filters out changed items as they need to be requested separately.
+ *
+ * The method is exported for testing
+ *
+ * @param {Object} masterXml the mpd XML
+ * @param {string} srcUrl the mpd url
+ * @param {Date} clientOffset a time difference between server and client (passed through and not used)
+ * @param {Object} oldSidxMapping the SIDX to compare against
+ */
+
+
+ var filterChangedSidxMappings = function filterChangedSidxMappings(masterXml, srcUrl, clientOffset, oldSidxMapping) {
+ // Don't pass current sidx mapping
+ var master = parse(masterXml, {
+ manifestUri: srcUrl,
+ clientOffset: clientOffset
+ });
+ var videoSidx = compareSidxEntry(master.playlists, oldSidxMapping);
+ var mediaGroupSidx = videoSidx;
+ forEachMediaGroup(master, function (properties, mediaType, groupKey, labelKey) {
+ if (properties.playlists && properties.playlists.length) {
+ var playlists = properties.playlists;
+ mediaGroupSidx = mergeOptions$2(mediaGroupSidx, compareSidxEntry(playlists, oldSidxMapping));
+ }
+ });
+ return mediaGroupSidx;
+ }; // exported for testing
+
+
+ var requestSidx_ = function requestSidx_(sidxRange, playlist, xhr, options, finishProcessingFn) {
+ var sidxInfo = {
+ // resolve the segment URL relative to the playlist
+ uri: resolveManifestRedirect(options.handleManifestRedirects, sidxRange.resolvedUri),
+ // resolvedUri: sidxRange.resolvedUri,
+ byterange: sidxRange.byterange,
+ // the segment's playlist
+ playlist: playlist
+ };
+ var sidxRequestOptions = videojs$1.mergeOptions(sidxInfo, {
+ responseType: 'arraybuffer',
+ headers: segmentXhrHeaders(sidxInfo)
+ });
+ return xhr(sidxRequestOptions, finishProcessingFn);
+ };
+
+ var DashPlaylistLoader = function (_EventTarget) {
+ inherits$2(DashPlaylistLoader, _EventTarget); // DashPlaylistLoader must accept either a src url or a playlist because subsequent
+ // playlist loader setups from media groups will expect to be able to pass a playlist
+ // (since there aren't external URLs to media playlists with DASH)
+
+ function DashPlaylistLoader(srcUrlOrPlaylist, hls) {
+ var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+ var masterPlaylistLoader = arguments[3];
+ classCallCheck$1(this, DashPlaylistLoader);
+
+ var _this = possibleConstructorReturn$1(this, (DashPlaylistLoader.__proto__ || Object.getPrototypeOf(DashPlaylistLoader)).call(this));
+
+ var _options$withCredenti = options.withCredentials,
+ withCredentials = _options$withCredenti === undefined ? false : _options$withCredenti,
+ _options$handleManife = options.handleManifestRedirects,
+ handleManifestRedirects = _options$handleManife === undefined ? false : _options$handleManife;
+ _this.hls_ = hls;
+ _this.withCredentials = withCredentials;
+ _this.handleManifestRedirects = handleManifestRedirects;
+
+ if (!srcUrlOrPlaylist) {
+ throw new Error('A non-empty playlist URL or playlist is required');
+ } // event naming?
+
+
+ _this.on('minimumUpdatePeriod', function () {
+ _this.refreshXml_();
+ }); // live playlist staleness timeout
+
+
+ _this.on('mediaupdatetimeout', function () {
+ _this.refreshMedia_(_this.media().id);
+ });
+
+ _this.state = 'HAVE_NOTHING';
+ _this.loadedPlaylists_ = {}; // initialize the loader state
+ // The masterPlaylistLoader will be created with a string
+
+ if (typeof srcUrlOrPlaylist === 'string') {
+ _this.srcUrl = srcUrlOrPlaylist; // TODO: reset sidxMapping between period changes
+ // once multi-period is refactored
+
+ _this.sidxMapping_ = {};
+ return possibleConstructorReturn$1(_this);
+ }
+
+ _this.setupChildLoader(masterPlaylistLoader, srcUrlOrPlaylist);
+
+ return _this;
+ }
+
+ createClass$1(DashPlaylistLoader, [{
+ key: 'setupChildLoader',
+ value: function setupChildLoader(masterPlaylistLoader, playlist) {
+ this.masterPlaylistLoader_ = masterPlaylistLoader;
+ this.childPlaylist_ = playlist;
+ }
+ }, {
+ key: 'dispose',
+ value: function dispose() {
+ this.trigger('dispose');
+ this.stopRequest();
+ this.loadedPlaylists_ = {};
+ window$3.clearTimeout(this.minimumUpdatePeriodTimeout_);
+ window$3.clearTimeout(this.mediaRequest_);
+ window$3.clearTimeout(this.mediaUpdateTimeout);
+ this.off();
+ }
+ }, {
+ key: 'hasPendingRequest',
+ value: function hasPendingRequest() {
+ return this.request || this.mediaRequest_;
+ }
+ }, {
+ key: 'stopRequest',
+ value: function stopRequest() {
+ if (this.request) {
+ var oldRequest = this.request;
+ this.request = null;
+ oldRequest.onreadystatechange = null;
+ oldRequest.abort();
+ }
+ }
+ }, {
+ key: 'sidxRequestFinished_',
+ value: function sidxRequestFinished_(playlist, master, startingState, doneFn) {
+ var _this2 = this;
+
+ return function (err, request) {
+ // disposed
+ if (!_this2.request) {
+ return;
+ } // pending request is cleared
+
+
+ _this2.request = null;
+
+ if (err) {
+ _this2.error = {
+ status: request.status,
+ message: 'DASH playlist request error at URL: ' + playlist.uri,
+ response: request.response,
+ // MEDIA_ERR_NETWORK
+ code: 2
+ };
+
+ if (startingState) {
+ _this2.state = startingState;
+ }
+
+ _this2.trigger('error');
+
+ return doneFn(master, null);
+ }
+
+ var bytes = new Uint8Array(request.response);
+ var sidx = mp4Inspector.parseSidx(bytes.subarray(8));
+ return doneFn(master, sidx);
+ };
+ }
+ }, {
+ key: 'media',
+ value: function media(playlist) {
+ var _this3 = this; // getter
+
+
+ if (!playlist) {
+ return this.media_;
+ } // setter
+
+
+ if (this.state === 'HAVE_NOTHING') {
+ throw new Error('Cannot switch media playlist from ' + this.state);
+ }
+
+ var startingState = this.state; // find the playlist object if the target playlist has been specified by URI
+
+ if (typeof playlist === 'string') {
+ if (!this.master.playlists[playlist]) {
+ throw new Error('Unknown playlist URI: ' + playlist);
+ }
+
+ playlist = this.master.playlists[playlist];
+ }
+
+ var mediaChange = !this.media_ || playlist.id !== this.media_.id; // switch to previously loaded playlists immediately
+
+ if (mediaChange && this.loadedPlaylists_[playlist.id] && this.loadedPlaylists_[playlist.id].endList) {
+ this.state = 'HAVE_METADATA';
+ this.media_ = playlist; // trigger media change if the active media has been updated
+
+ if (mediaChange) {
+ this.trigger('mediachanging');
+ this.trigger('mediachange');
+ }
+
+ return;
+ } // switching to the active playlist is a no-op
+
+
+ if (!mediaChange) {
+ return;
+ } // switching from an already loaded playlist
+
+
+ if (this.media_) {
+ this.trigger('mediachanging');
+ }
+
+ if (!playlist.sidx) {
+ // Continue asynchronously if there is no sidx
+ // wait one tick to allow haveMaster to run first on a child loader
+ this.mediaRequest_ = window$3.setTimeout(this.haveMetadata.bind(this, {
+ startingState: startingState,
+ playlist: playlist
+ }), 0); // exit early and don't do sidx work
+
+ return;
+ } // we have sidx mappings
+
+
+ var oldMaster = void 0;
+ var sidxMapping = void 0; // sidxMapping is used when parsing the masterXml, so store
+ // it on the masterPlaylistLoader
+
+ if (this.masterPlaylistLoader_) {
+ oldMaster = this.masterPlaylistLoader_.master;
+ sidxMapping = this.masterPlaylistLoader_.sidxMapping_;
+ } else {
+ oldMaster = this.master;
+ sidxMapping = this.sidxMapping_;
+ }
+
+ var sidxKey = generateSidxKey(playlist.sidx);
+ sidxMapping[sidxKey] = {
+ sidxInfo: playlist.sidx
+ };
+ this.request = requestSidx_(playlist.sidx, playlist, this.hls_.xhr, {
+ handleManifestRedirects: this.handleManifestRedirects
+ }, this.sidxRequestFinished_(playlist, oldMaster, startingState, function (newMaster, sidx) {
+ if (!newMaster || !sidx) {
+ throw new Error('failed to request sidx');
+ } // update loader's sidxMapping with parsed sidx box
+
+
+ sidxMapping[sidxKey].sidx = sidx; // everything is ready just continue to haveMetadata
+
+ _this3.haveMetadata({
+ startingState: startingState,
+ playlist: newMaster.playlists[playlist.id]
+ });
+ }));
+ }
+ }, {
+ key: 'haveMetadata',
+ value: function haveMetadata(_ref) {
+ var startingState = _ref.startingState,
+ playlist = _ref.playlist;
+ this.state = 'HAVE_METADATA';
+ this.loadedPlaylists_[playlist.id] = playlist;
+ this.mediaRequest_ = null; // This will trigger loadedplaylist
+
+ this.refreshMedia_(playlist.id); // fire loadedmetadata the first time a media playlist is loaded
+ // to resolve setup of media groups
+
+ if (startingState === 'HAVE_MASTER') {
+ this.trigger('loadedmetadata');
+ } else {
+ // trigger media change if the active media has been updated
+ this.trigger('mediachange');
+ }
+ }
+ }, {
+ key: 'pause',
+ value: function pause() {
+ this.stopRequest();
+ window$3.clearTimeout(this.mediaUpdateTimeout);
+ window$3.clearTimeout(this.minimumUpdatePeriodTimeout_);
+
+ if (this.state === 'HAVE_NOTHING') {
+ // If we pause the loader before any data has been retrieved, its as if we never
+ // started, so reset to an unstarted state.
+ this.started = false;
+ }
+ }
+ }, {
+ key: 'load',
+ value: function load(isFinalRendition) {
+ var _this4 = this;
+
+ window$3.clearTimeout(this.mediaUpdateTimeout);
+ window$3.clearTimeout(this.minimumUpdatePeriodTimeout_);
+ var media = this.media();
+
+ if (isFinalRendition) {
+ var delay = media ? media.targetDuration / 2 * 1000 : 5 * 1000;
+ this.mediaUpdateTimeout = window$3.setTimeout(function () {
+ return _this4.load();
+ }, delay);
+ return;
+ } // because the playlists are internal to the manifest, load should either load the
+ // main manifest, or do nothing but trigger an event
+
+
+ if (!this.started) {
+ this.start();
+ return;
+ }
+
+ if (media && !media.endList) {
+ this.trigger('mediaupdatetimeout');
+ } else {
+ this.trigger('loadedplaylist');
+ }
+ }
+ /**
+ * Parses the master xml string and updates playlist uri references
+ *
+ * @return {Object}
+ * The parsed mpd manifest object
+ */
+
+ }, {
+ key: 'parseMasterXml',
+ value: function parseMasterXml() {
+ var master = parse(this.masterXml_, {
+ manifestUri: this.srcUrl,
+ clientOffset: this.clientOffset_,
+ sidxMapping: this.sidxMapping_
+ });
+ master.uri = this.srcUrl; // Set up phony URIs for the playlists since we won't have external URIs for DASH
+ // but reference playlists by their URI throughout the project
+ // TODO: Should we create the dummy uris in mpd-parser as well (leaning towards yes).
+
+ for (var i = 0; i < master.playlists.length; i++) {
+ var phonyUri = 'placeholder-uri-' + i;
+ master.playlists[i].uri = phonyUri;
+ } // set up phony URIs for the media group playlists since we won't have external
+ // URIs for DASH but reference playlists by their URI throughout the project
+
+
+ forEachMediaGroup(master, function (properties, mediaType, groupKey, labelKey) {
+ if (properties.playlists && properties.playlists.length) {
+ var _phonyUri = 'placeholder-uri-' + mediaType + '-' + groupKey + '-' + labelKey;
+
+ var id = createPlaylistID(0, _phonyUri);
+ properties.playlists[0].uri = _phonyUri;
+ properties.playlists[0].id = id; // setup ID and URI references (URI for backwards compatibility)
+
+ master.playlists[id] = properties.playlists[0];
+ master.playlists[_phonyUri] = properties.playlists[0];
+ }
+ });
+ setupMediaPlaylists(master);
+ resolveMediaGroupUris(master);
+ return master;
+ }
+ }, {
+ key: 'start',
+ value: function start() {
+ var _this5 = this;
+
+ this.started = true; // We don't need to request the master manifest again
+ // Call this asynchronously to match the xhr request behavior below
+
+ if (this.masterPlaylistLoader_) {
+ this.mediaRequest_ = window$3.setTimeout(this.haveMaster_.bind(this), 0);
+ return;
+ } // request the specified URL
+
+
+ this.request = this.hls_.xhr({
+ uri: this.srcUrl,
+ withCredentials: this.withCredentials
+ }, function (error, req) {
+ // disposed
+ if (!_this5.request) {
+ return;
+ } // clear the loader's request reference
+
+
+ _this5.request = null;
+
+ if (error) {
+ _this5.error = {
+ status: req.status,
+ message: 'DASH playlist request error at URL: ' + _this5.srcUrl,
+ responseText: req.responseText,
+ // MEDIA_ERR_NETWORK
+ code: 2
+ };
+
+ if (_this5.state === 'HAVE_NOTHING') {
+ _this5.started = false;
+ }
+
+ return _this5.trigger('error');
+ }
+
+ _this5.masterXml_ = req.responseText;
+
+ if (req.responseHeaders && req.responseHeaders.date) {
+ _this5.masterLoaded_ = Date.parse(req.responseHeaders.date);
+ } else {
+ _this5.masterLoaded_ = Date.now();
+ }
+
+ _this5.srcUrl = resolveManifestRedirect(_this5.handleManifestRedirects, _this5.srcUrl, req);
+
+ _this5.syncClientServerClock_(_this5.onClientServerClockSync_.bind(_this5));
+ });
+ }
+ /**
+ * Parses the master xml for UTCTiming node to sync the client clock to the server
+ * clock. If the UTCTiming node requires a HEAD or GET request, that request is made.
+ *
+ * @param {Function} done
+ * Function to call when clock sync has completed
+ */
+
+ }, {
+ key: 'syncClientServerClock_',
+ value: function syncClientServerClock_(done) {
+ var _this6 = this;
+
+ var utcTiming = parseUTCTiming(this.masterXml_); // No UTCTiming element found in the mpd. Use Date header from mpd request as the
+ // server clock
+
+ if (utcTiming === null) {
+ this.clientOffset_ = this.masterLoaded_ - Date.now();
+ return done();
+ }
+
+ if (utcTiming.method === 'DIRECT') {
+ this.clientOffset_ = utcTiming.value - Date.now();
+ return done();
+ }
+
+ this.request = this.hls_.xhr({
+ uri: resolveUrl$1(this.srcUrl, utcTiming.value),
+ method: utcTiming.method,
+ withCredentials: this.withCredentials
+ }, function (error, req) {
+ // disposed
+ if (!_this6.request) {
+ return;
+ }
+
+ if (error) {
+ // sync request failed, fall back to using date header from mpd
+ // TODO: log warning
+ _this6.clientOffset_ = _this6.masterLoaded_ - Date.now();
+ return done();
+ }
+
+ var serverTime = void 0;
+
+ if (utcTiming.method === 'HEAD') {
+ if (!req.responseHeaders || !req.responseHeaders.date) {
+ // expected date header not preset, fall back to using date header from mpd
+ // TODO: log warning
+ serverTime = _this6.masterLoaded_;
+ } else {
+ serverTime = Date.parse(req.responseHeaders.date);
+ }
+ } else {
+ serverTime = Date.parse(req.responseText);
+ }
+
+ _this6.clientOffset_ = serverTime - Date.now();
+ done();
+ });
+ }
+ }, {
+ key: 'haveMaster_',
+ value: function haveMaster_() {
+ this.state = 'HAVE_MASTER'; // clear media request
+
+ this.mediaRequest_ = null;
+
+ if (!this.masterPlaylistLoader_) {
+ this.master = this.parseMasterXml(); // We have the master playlist at this point, so
+ // trigger this to allow MasterPlaylistController
+ // to make an initial playlist selection
+
+ this.trigger('loadedplaylist');
+ } else if (!this.media_) {
+ // no media playlist was specifically selected so select
+ // the one the child playlist loader was created with
+ this.media(this.childPlaylist_);
+ }
+ }
+ /**
+ * Handler for after client/server clock synchronization has happened. Sets up
+ * xml refresh timer if specificed by the manifest.
+ */
+
+ }, {
+ key: 'onClientServerClockSync_',
+ value: function onClientServerClockSync_() {
+ var _this7 = this;
+
+ this.haveMaster_();
+
+ if (!this.hasPendingRequest() && !this.media_) {
+ this.media(this.master.playlists[0]);
+ } // TODO: minimumUpdatePeriod can have a value of 0. Currently the manifest will not
+ // be refreshed when this is the case. The inter-op guide says that when the
+ // minimumUpdatePeriod is 0, the manifest should outline all currently available
+ // segments, but future segments may require an update. I think a good solution
+ // would be to update the manifest at the same rate that the media playlists
+ // are "refreshed", i.e. every targetDuration.
+
+
+ if (this.master && this.master.minimumUpdatePeriod) {
+ this.minimumUpdatePeriodTimeout_ = window$3.setTimeout(function () {
+ _this7.trigger('minimumUpdatePeriod');
+ }, this.master.minimumUpdatePeriod);
+ }
+ }
+ /**
+ * Sends request to refresh the master xml and updates the parsed master manifest
+ * TODO: Does the client offset need to be recalculated when the xml is refreshed?
+ */
+
+ }, {
+ key: 'refreshXml_',
+ value: function refreshXml_() {
+ var _this8 = this; // The srcUrl here *may* need to pass through handleManifestsRedirects when
+ // sidx is implemented
+
+
+ this.request = this.hls_.xhr({
+ uri: this.srcUrl,
+ withCredentials: this.withCredentials
+ }, function (error, req) {
+ // disposed
+ if (!_this8.request) {
+ return;
+ } // clear the loader's request reference
+
+
+ _this8.request = null;
+
+ if (error) {
+ _this8.error = {
+ status: req.status,
+ message: 'DASH playlist request error at URL: ' + _this8.srcUrl,
+ responseText: req.responseText,
+ // MEDIA_ERR_NETWORK
+ code: 2
+ };
+
+ if (_this8.state === 'HAVE_NOTHING') {
+ _this8.started = false;
+ }
+
+ return _this8.trigger('error');
+ }
+
+ _this8.masterXml_ = req.responseText; // This will filter out updated sidx info from the mapping
+
+ _this8.sidxMapping_ = filterChangedSidxMappings(_this8.masterXml_, _this8.srcUrl, _this8.clientOffset_, _this8.sidxMapping_);
+
+ var master = _this8.parseMasterXml();
+
+ var updatedMaster = updateMaster$1(_this8.master, master);
+
+ var currentSidxInfo = _this8.media().sidx;
+
+ if (updatedMaster) {
+ if (currentSidxInfo) {
+ var sidxKey = generateSidxKey(currentSidxInfo); // the sidx was updated, so the previous mapping was removed
+
+ if (!_this8.sidxMapping_[sidxKey]) {
+ var playlist = _this8.media();
+
+ _this8.request = requestSidx_(playlist.sidx, playlist, _this8.hls_.xhr, {
+ handleManifestRedirects: _this8.handleManifestRedirects
+ }, _this8.sidxRequestFinished_(playlist, master, _this8.state, function (newMaster, sidx) {
+ if (!newMaster || !sidx) {
+ throw new Error('failed to request sidx on minimumUpdatePeriod');
+ } // update loader's sidxMapping with parsed sidx box
+
+
+ _this8.sidxMapping_[sidxKey].sidx = sidx;
+ _this8.minimumUpdatePeriodTimeout_ = window$3.setTimeout(function () {
+ _this8.trigger('minimumUpdatePeriod');
+ }, _this8.master.minimumUpdatePeriod); // TODO: do we need to reload the current playlist?
+
+ _this8.refreshMedia_(_this8.media().id);
+
+ return;
+ }));
+ }
+ } else {
+ _this8.master = updatedMaster;
+ }
+ }
+
+ _this8.minimumUpdatePeriodTimeout_ = window$3.setTimeout(function () {
+ _this8.trigger('minimumUpdatePeriod');
+ }, _this8.master.minimumUpdatePeriod);
+ });
+ }
+ /**
+ * Refreshes the media playlist by re-parsing the master xml and updating playlist
+ * references. If this is an alternate loader, the updated parsed manifest is retrieved
+ * from the master loader.
+ */
+
+ }, {
+ key: 'refreshMedia_',
+ value: function refreshMedia_(mediaID) {
+ var _this9 = this;
+
+ if (!mediaID) {
+ throw new Error('refreshMedia_ must take a media id');
+ }
+
+ var oldMaster = void 0;
+ var newMaster = void 0;
+
+ if (this.masterPlaylistLoader_) {
+ oldMaster = this.masterPlaylistLoader_.master;
+ newMaster = this.masterPlaylistLoader_.parseMasterXml();
+ } else {
+ oldMaster = this.master;
+ newMaster = this.parseMasterXml();
+ }
+
+ var updatedMaster = updateMaster$1(oldMaster, newMaster);
+
+ if (updatedMaster) {
+ if (this.masterPlaylistLoader_) {
+ this.masterPlaylistLoader_.master = updatedMaster;
+ } else {
+ this.master = updatedMaster;
+ }
+
+ this.media_ = updatedMaster.playlists[mediaID];
+ } else {
+ this.media_ = newMaster.playlists[mediaID];
+ this.trigger('playlistunchanged');
+ }
+
+ if (!this.media().endList) {
+ this.mediaUpdateTimeout = window$3.setTimeout(function () {
+ _this9.trigger('mediaupdatetimeout');
+ }, refreshDelay(this.media(), !!updatedMaster));
+ }
+
+ this.trigger('loadedplaylist');
+ }
+ }]);
+ return DashPlaylistLoader;
+ }(EventTarget$1$1);
+
+ var logger = function logger(source) {
+ if (videojs$1.log.debug) {
+ return videojs$1.log.debug.bind(videojs$1, 'VHS:', source + ' >');
+ }
+
+ return function () {};
+ };
+
+ function noop$1() {}
+ /**
+ * @file source-updater.js
+ */
+
+ /**
+ * A queue of callbacks to be serialized and applied when a
+ * MediaSource and its associated SourceBuffers are not in the
+ * updating state. It is used by the segment loader to update the
+ * underlying SourceBuffers when new data is loaded, for instance.
+ *
+ * @class SourceUpdater
+ * @param {MediaSource} mediaSource the MediaSource to create the
+ * SourceBuffer from
+ * @param {String} mimeType the desired MIME type of the underlying
+ * SourceBuffer
+ * @param {Object} sourceBufferEmitter an event emitter that fires when a source buffer is
+ * added to the media source
+ */
+
+
+ var SourceUpdater = function () {
+ function SourceUpdater(mediaSource, mimeType, type, sourceBufferEmitter) {
+ classCallCheck$1(this, SourceUpdater);
+ this.callbacks_ = [];
+ this.pendingCallback_ = null;
+ this.timestampOffset_ = 0;
+ this.mediaSource = mediaSource;
+ this.processedAppend_ = false;
+ this.type_ = type;
+ this.mimeType_ = mimeType;
+ this.logger_ = logger('SourceUpdater[' + type + '][' + mimeType + ']');
+
+ if (mediaSource.readyState === 'closed') {
+ mediaSource.addEventListener('sourceopen', this.createSourceBuffer_.bind(this, mimeType, sourceBufferEmitter));
+ } else {
+ this.createSourceBuffer_(mimeType, sourceBufferEmitter);
+ }
+ }
+
+ createClass$1(SourceUpdater, [{
+ key: 'createSourceBuffer_',
+ value: function createSourceBuffer_(mimeType, sourceBufferEmitter) {
+ var _this = this;
+
+ this.sourceBuffer_ = this.mediaSource.addSourceBuffer(mimeType);
+ this.logger_('created SourceBuffer');
+
+ if (sourceBufferEmitter) {
+ sourceBufferEmitter.trigger('sourcebufferadded');
+
+ if (this.mediaSource.sourceBuffers.length < 2) {
+ // There's another source buffer we must wait for before we can start updating
+ // our own (or else we can get into a bad state, i.e., appending video/audio data
+ // before the other video/audio source buffer is available and leading to a video
+ // or audio only buffer).
+ sourceBufferEmitter.on('sourcebufferadded', function () {
+ _this.start_();
+ });
+ return;
+ }
+ }
+
+ this.start_();
+ }
+ }, {
+ key: 'start_',
+ value: function start_() {
+ var _this2 = this;
+
+ this.started_ = true; // run completion handlers and process callbacks as updateend
+ // events fire
+
+ this.onUpdateendCallback_ = function () {
+ var pendingCallback = _this2.pendingCallback_;
+ _this2.pendingCallback_ = null;
+ _this2.sourceBuffer_.removing = false;
+
+ _this2.logger_('buffered [' + printableRange(_this2.buffered()) + ']');
+
+ if (pendingCallback) {
+ pendingCallback();
+ }
+
+ _this2.runCallback_();
+ };
+
+ this.sourceBuffer_.addEventListener('updateend', this.onUpdateendCallback_);
+ this.runCallback_();
+ }
+ /**
+ * Aborts the current segment and resets the segment parser.
+ *
+ * @param {Function} done function to call when done
+ * @see http://w3c.github.io/media-source/#widl-SourceBuffer-abort-void
+ */
+
+ }, {
+ key: 'abort',
+ value: function abort(done) {
+ var _this3 = this;
+
+ if (this.processedAppend_) {
+ this.queueCallback_(function () {
+ _this3.sourceBuffer_.abort();
+ }, done);
+ }
+ }
+ /**
+ * Queue an update to append an ArrayBuffer.
+ *
+ * @param {ArrayBuffer} bytes
+ * @param {Function} done the function to call when done
+ * @see http://www.w3.org/TR/media-source/#widl-SourceBuffer-appendBuffer-void-ArrayBuffer-data
+ */
+
+ }, {
+ key: 'appendBuffer',
+ value: function appendBuffer(config, done) {
+ var _this4 = this;
+
+ this.processedAppend_ = true;
+ this.queueCallback_(function () {
+ if (config.videoSegmentTimingInfoCallback) {
+ _this4.sourceBuffer_.addEventListener('videoSegmentTimingInfo', config.videoSegmentTimingInfoCallback);
+ }
+
+ _this4.sourceBuffer_.appendBuffer(config.bytes);
+ }, function () {
+ if (config.videoSegmentTimingInfoCallback) {
+ _this4.sourceBuffer_.removeEventListener('videoSegmentTimingInfo', config.videoSegmentTimingInfoCallback);
+ }
+
+ done();
+ });
+ }
+ /**
+ * Indicates what TimeRanges are buffered in the managed SourceBuffer.
+ *
+ * @see http://www.w3.org/TR/media-source/#widl-SourceBuffer-buffered
+ */
+
+ }, {
+ key: 'buffered',
+ value: function buffered() {
+ if (!this.sourceBuffer_) {
+ return videojs$1.createTimeRanges();
+ }
+
+ return this.sourceBuffer_.buffered;
+ }
+ /**
+ * Queue an update to remove a time range from the buffer.
+ *
+ * @param {Number} start where to start the removal
+ * @param {Number} end where to end the removal
+ * @param {Function} [done=noop] optional callback to be executed when the remove
+ * operation is complete
+ * @see http://www.w3.org/TR/media-source/#widl-SourceBuffer-remove-void-double-start-unrestricted-double-end
+ */
+
+ }, {
+ key: 'remove',
+ value: function remove(start, end) {
+ var _this5 = this;
+
+ var done = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : noop$1;
+
+ if (this.processedAppend_) {
+ this.queueCallback_(function () {
+ _this5.logger_('remove [' + start + ' => ' + end + ']');
+
+ _this5.sourceBuffer_.removing = true;
+
+ _this5.sourceBuffer_.remove(start, end);
+ }, done);
+ }
+ }
+ /**
+ * Whether the underlying sourceBuffer is updating or not
+ *
+ * @return {Boolean} the updating status of the SourceBuffer
+ */
+
+ }, {
+ key: 'updating',
+ value: function updating() {
+ // we are updating if the sourcebuffer is updating or
+ return !this.sourceBuffer_ || this.sourceBuffer_.updating || // if we have a pending callback that is not our internal noop
+ !!this.pendingCallback_ && this.pendingCallback_ !== noop$1;
+ }
+ /**
+ * Set/get the timestampoffset on the SourceBuffer
+ *
+ * @return {Number} the timestamp offset
+ */
+
+ }, {
+ key: 'timestampOffset',
+ value: function timestampOffset(offset) {
+ var _this6 = this;
+
+ if (typeof offset !== 'undefined') {
+ this.queueCallback_(function () {
+ _this6.sourceBuffer_.timestampOffset = offset;
+
+ _this6.runCallback_();
+ });
+ this.timestampOffset_ = offset;
+ }
+
+ return this.timestampOffset_;
+ }
+ /**
+ * Queue a callback to run
+ */
+
+ }, {
+ key: 'queueCallback_',
+ value: function queueCallback_(callback, done) {
+ this.callbacks_.push([callback.bind(this), done]);
+ this.runCallback_();
+ }
+ /**
+ * Run a queued callback
+ */
+
+ }, {
+ key: 'runCallback_',
+ value: function runCallback_() {
+ var callbacks = void 0;
+
+ if (!this.updating() && this.callbacks_.length && this.started_) {
+ callbacks = this.callbacks_.shift();
+ this.pendingCallback_ = callbacks[1];
+ callbacks[0]();
+ }
+ }
+ /**
+ * dispose of the source updater and the underlying sourceBuffer
+ */
+
+ }, {
+ key: 'dispose',
+ value: function dispose() {
+ var _this7 = this;
+
+ var disposeFn = function disposeFn() {
+ if (_this7.sourceBuffer_ && _this7.mediaSource.readyState === 'open') {
+ _this7.sourceBuffer_.abort();
+ }
+
+ _this7.sourceBuffer_.removeEventListener('updateend', disposeFn);
+ };
+
+ this.sourceBuffer_.removeEventListener('updateend', this.onUpdateendCallback_);
+
+ if (this.sourceBuffer_.removing) {
+ this.sourceBuffer_.addEventListener('updateend', disposeFn);
+ } else {
+ disposeFn();
+ }
+ }
+ }]);
+ return SourceUpdater;
+ }();
+
+ var Config = {
+ GOAL_BUFFER_LENGTH: 30,
+ MAX_GOAL_BUFFER_LENGTH: 60,
+ GOAL_BUFFER_LENGTH_RATE: 1,
+ // 0.5 MB/s
+ INITIAL_BANDWIDTH: 4194304,
+ // A fudge factor to apply to advertised playlist bitrates to account for
+ // temporary flucations in client bandwidth
+ BANDWIDTH_VARIANCE: 1.2,
+ // How much of the buffer must be filled before we consider upswitching
+ BUFFER_LOW_WATER_LINE: 0,
+ MAX_BUFFER_LOW_WATER_LINE: 30,
+ BUFFER_LOW_WATER_LINE_RATE: 1
+ };
+ var REQUEST_ERRORS = {
+ FAILURE: 2,
+ TIMEOUT: -101,
+ ABORTED: -102
+ };
+ /**
+ * Abort all requests
+ *
+ * @param {Object} activeXhrs - an object that tracks all XHR requests
+ */
+
+ var abortAll = function abortAll(activeXhrs) {
+ activeXhrs.forEach(function (xhr) {
+ xhr.abort();
+ });
+ };
+ /**
+ * Gather important bandwidth stats once a request has completed
+ *
+ * @param {Object} request - the XHR request from which to gather stats
+ */
+
+
+ var getRequestStats = function getRequestStats(request) {
+ return {
+ bandwidth: request.bandwidth,
+ bytesReceived: request.bytesReceived || 0,
+ roundTripTime: request.roundTripTime || 0
+ };
+ };
+ /**
+ * If possible gather bandwidth stats as a request is in
+ * progress
+ *
+ * @param {Event} progressEvent - an event object from an XHR's progress event
+ */
+
+
+ var getProgressStats = function getProgressStats(progressEvent) {
+ var request = progressEvent.target;
+ var roundTripTime = Date.now() - request.requestTime;
+ var stats = {
+ bandwidth: Infinity,
+ bytesReceived: 0,
+ roundTripTime: roundTripTime || 0
+ };
+ stats.bytesReceived = progressEvent.loaded; // This can result in Infinity if stats.roundTripTime is 0 but that is ok
+ // because we should only use bandwidth stats on progress to determine when
+ // abort a request early due to insufficient bandwidth
+
+ stats.bandwidth = Math.floor(stats.bytesReceived / stats.roundTripTime * 8 * 1000);
+ return stats;
+ };
+ /**
+ * Handle all error conditions in one place and return an object
+ * with all the information
+ *
+ * @param {Error|null} error - if non-null signals an error occured with the XHR
+ * @param {Object} request - the XHR request that possibly generated the error
+ */
+
+
+ var handleErrors = function handleErrors(error, request) {
+ if (request.timedout) {
+ return {
+ status: request.status,
+ message: 'HLS request timed-out at URL: ' + request.uri,
+ code: REQUEST_ERRORS.TIMEOUT,
+ xhr: request
+ };
+ }
+
+ if (request.aborted) {
+ return {
+ status: request.status,
+ message: 'HLS request aborted at URL: ' + request.uri,
+ code: REQUEST_ERRORS.ABORTED,
+ xhr: request
+ };
+ }
+
+ if (error) {
+ return {
+ status: request.status,
+ message: 'HLS request errored at URL: ' + request.uri,
+ code: REQUEST_ERRORS.FAILURE,
+ xhr: request
+ };
+ }
+
+ return null;
+ };
+ /**
+ * Handle responses for key data and convert the key data to the correct format
+ * for the decryption step later
+ *
+ * @param {Object} segment - a simplified copy of the segmentInfo object
+ * from SegmentLoader
+ * @param {Function} finishProcessingFn - a callback to execute to continue processing
+ * this request
+ */
+
+
+ var handleKeyResponse = function handleKeyResponse(segment, finishProcessingFn) {
+ return function (error, request) {
+ var response = request.response;
+ var errorObj = handleErrors(error, request);
+
+ if (errorObj) {
+ return finishProcessingFn(errorObj, segment);
+ }
+
+ if (response.byteLength !== 16) {
+ return finishProcessingFn({
+ status: request.status,
+ message: 'Invalid HLS key at URL: ' + request.uri,
+ code: REQUEST_ERRORS.FAILURE,
+ xhr: request
+ }, segment);
+ }
+
+ var view = new DataView(response);
+ segment.key.bytes = new Uint32Array([view.getUint32(0), view.getUint32(4), view.getUint32(8), view.getUint32(12)]);
+ return finishProcessingFn(null, segment);
+ };
+ };
+ /**
+ * Handle init-segment responses
+ *
+ * @param {Object} segment - a simplified copy of the segmentInfo object
+ * from SegmentLoader
+ * @param {Function} finishProcessingFn - a callback to execute to continue processing
+ * this request
+ */
+
+
+ var handleInitSegmentResponse = function handleInitSegmentResponse(segment, captionParser, finishProcessingFn) {
+ return function (error, request) {
+ var response = request.response;
+ var errorObj = handleErrors(error, request);
+
+ if (errorObj) {
+ return finishProcessingFn(errorObj, segment);
+ } // stop processing if received empty content
+
+
+ if (response.byteLength === 0) {
+ return finishProcessingFn({
+ status: request.status,
+ message: 'Empty HLS segment content at URL: ' + request.uri,
+ code: REQUEST_ERRORS.FAILURE,
+ xhr: request
+ }, segment);
+ }
+
+ segment.map.bytes = new Uint8Array(request.response); // Initialize CaptionParser if it hasn't been yet
+
+ if (captionParser && !captionParser.isInitialized()) {
+ captionParser.init();
+ }
+
+ segment.map.timescales = probe.timescale(segment.map.bytes);
+ segment.map.videoTrackIds = probe.videoTrackIds(segment.map.bytes);
+ return finishProcessingFn(null, segment);
+ };
+ };
+ /**
+ * Response handler for segment-requests being sure to set the correct
+ * property depending on whether the segment is encryped or not
+ * Also records and keeps track of stats that are used for ABR purposes
+ *
+ * @param {Object} segment - a simplified copy of the segmentInfo object
+ * from SegmentLoader
+ * @param {Function} finishProcessingFn - a callback to execute to continue processing
+ * this request
+ */
+
+
+ var handleSegmentResponse = function handleSegmentResponse(segment, captionParser, finishProcessingFn) {
+ return function (error, request) {
+ var response = request.response;
+ var errorObj = handleErrors(error, request);
+ var parsed = void 0;
+
+ if (errorObj) {
+ return finishProcessingFn(errorObj, segment);
+ } // stop processing if received empty content
+
+
+ if (response.byteLength === 0) {
+ return finishProcessingFn({
+ status: request.status,
+ message: 'Empty HLS segment content at URL: ' + request.uri,
+ code: REQUEST_ERRORS.FAILURE,
+ xhr: request
+ }, segment);
+ }
+
+ segment.stats = getRequestStats(request);
+
+ if (segment.key) {
+ segment.encryptedBytes = new Uint8Array(request.response);
+ } else {
+ segment.bytes = new Uint8Array(request.response);
+ } // This is likely an FMP4 and has the init segment.
+ // Run through the CaptionParser in case there are captions.
+
+
+ if (captionParser && segment.map && segment.map.bytes) {
+ // Initialize CaptionParser if it hasn't been yet
+ if (!captionParser.isInitialized()) {
+ captionParser.init();
+ }
+
+ parsed = captionParser.parse(segment.bytes, segment.map.videoTrackIds, segment.map.timescales);
+
+ if (parsed && parsed.captions) {
+ segment.captionStreams = parsed.captionStreams;
+ segment.fmp4Captions = parsed.captions;
+ }
+ }
+
+ return finishProcessingFn(null, segment);
+ };
+ };
+ /**
+ * Decrypt the segment via the decryption web worker
+ *
+ * @param {WebWorker} decrypter - a WebWorker interface to AES-128 decryption routines
+ * @param {Object} segment - a simplified copy of the segmentInfo object
+ * from SegmentLoader
+ * @param {Function} doneFn - a callback that is executed after decryption has completed
+ */
+
+
+ var decryptSegment = function decryptSegment(decrypter, segment, doneFn) {
+ var decryptionHandler = function decryptionHandler(event) {
+ if (event.data.source === segment.requestId) {
+ decrypter.removeEventListener('message', decryptionHandler);
+ var decrypted = event.data.decrypted;
+ segment.bytes = new Uint8Array(decrypted.bytes, decrypted.byteOffset, decrypted.byteLength);
+ return doneFn(null, segment);
+ }
+ };
+
+ decrypter.addEventListener('message', decryptionHandler);
+ var keyBytes = void 0;
+
+ if (segment.key.bytes.slice) {
+ keyBytes = segment.key.bytes.slice();
+ } else {
+ keyBytes = new Uint32Array(Array.prototype.slice.call(segment.key.bytes));
+ } // this is an encrypted segment
+ // incrementally decrypt the segment
+
+
+ decrypter.postMessage(createTransferableMessage({
+ source: segment.requestId,
+ encrypted: segment.encryptedBytes,
+ key: keyBytes,
+ iv: segment.key.iv
+ }), [segment.encryptedBytes.buffer, keyBytes.buffer]);
+ };
+ /**
+ * This function waits for all XHRs to finish (with either success or failure)
+ * before continueing processing via it's callback. The function gathers errors
+ * from each request into a single errors array so that the error status for
+ * each request can be examined later.
+ *
+ * @param {Object} activeXhrs - an object that tracks all XHR requests
+ * @param {WebWorker} decrypter - a WebWorker interface to AES-128 decryption routines
+ * @param {Function} doneFn - a callback that is executed after all resources have been
+ * downloaded and any decryption completed
+ */
+
+
+ var waitForCompletion = function waitForCompletion(activeXhrs, decrypter, doneFn) {
+ var count = 0;
+ var didError = false;
+ return function (error, segment) {
+ if (didError) {
+ return;
+ }
+
+ if (error) {
+ didError = true; // If there are errors, we have to abort any outstanding requests
+
+ abortAll(activeXhrs); // Even though the requests above are aborted, and in theory we could wait until we
+ // handle the aborted events from those requests, there are some cases where we may
+ // never get an aborted event. For instance, if the network connection is lost and
+ // there were two requests, the first may have triggered an error immediately, while
+ // the second request remains unsent. In that case, the aborted algorithm will not
+ // trigger an abort: see https://xhr.spec.whatwg.org/#the-abort()-method
+ //
+ // We also can't rely on the ready state of the XHR, since the request that
+ // triggered the connection error may also show as a ready state of 0 (unsent).
+ // Therefore, we have to finish this group of requests immediately after the first
+ // seen error.
+
+ return doneFn(error, segment);
+ }
+
+ count += 1;
+
+ if (count === activeXhrs.length) {
+ // Keep track of when *all* of the requests have completed
+ segment.endOfAllRequests = Date.now();
+
+ if (segment.encryptedBytes) {
+ return decryptSegment(decrypter, segment, doneFn);
+ } // Otherwise, everything is ready just continue
+
+
+ return doneFn(null, segment);
+ }
+ };
+ };
+ /**
+ * Simple progress event callback handler that gathers some stats before
+ * executing a provided callback with the `segment` object
+ *
+ * @param {Object} segment - a simplified copy of the segmentInfo object
+ * from SegmentLoader
+ * @param {Function} progressFn - a callback that is executed each time a progress event
+ * is received
+ * @param {Event} event - the progress event object from XMLHttpRequest
+ */
+
+
+ var handleProgress = function handleProgress(segment, progressFn) {
+ return function (event) {
+ segment.stats = videojs$1.mergeOptions(segment.stats, getProgressStats(event)); // record the time that we receive the first byte of data
+
+ if (!segment.stats.firstBytesReceivedAt && segment.stats.bytesReceived) {
+ segment.stats.firstBytesReceivedAt = Date.now();
+ }
+
+ return progressFn(event, segment);
+ };
+ };
+ /**
+ * Load all resources and does any processing necessary for a media-segment
+ *
+ * Features:
+ * decrypts the media-segment if it has a key uri and an iv
+ * aborts *all* requests if *any* one request fails
+ *
+ * The segment object, at minimum, has the following format:
+ * {
+ * resolvedUri: String,
+ * [byterange]: {
+ * offset: Number,
+ * length: Number
+ * },
+ * [key]: {
+ * resolvedUri: String
+ * [byterange]: {
+ * offset: Number,
+ * length: Number
+ * },
+ * iv: {
+ * bytes: Uint32Array
+ * }
+ * },
+ * [map]: {
+ * resolvedUri: String,
+ * [byterange]: {
+ * offset: Number,
+ * length: Number
+ * },
+ * [bytes]: Uint8Array
+ * }
+ * }
+ * ...where [name] denotes optional properties
+ *
+ * @param {Function} xhr - an instance of the xhr wrapper in xhr.js
+ * @param {Object} xhrOptions - the base options to provide to all xhr requests
+ * @param {WebWorker} decryptionWorker - a WebWorker interface to AES-128
+ * decryption routines
+ * @param {Object} segment - a simplified copy of the segmentInfo object
+ * from SegmentLoader
+ * @param {Function} progressFn - a callback that receives progress events from the main
+ * segment's xhr request
+ * @param {Function} doneFn - a callback that is executed only once all requests have
+ * succeeded or failed
+ * @returns {Function} a function that, when invoked, immediately aborts all
+ * outstanding requests
+ */
+
+
+ var mediaSegmentRequest = function mediaSegmentRequest(xhr, xhrOptions, decryptionWorker, captionParser, segment, progressFn, doneFn) {
+ var activeXhrs = [];
+ var finishProcessingFn = waitForCompletion(activeXhrs, decryptionWorker, doneFn); // optionally, request the decryption key
+
+ if (segment.key && !segment.key.bytes) {
+ var keyRequestOptions = videojs$1.mergeOptions(xhrOptions, {
+ uri: segment.key.resolvedUri,
+ responseType: 'arraybuffer'
+ });
+ var keyRequestCallback = handleKeyResponse(segment, finishProcessingFn);
+ var keyXhr = xhr(keyRequestOptions, keyRequestCallback);
+ activeXhrs.push(keyXhr);
+ } // optionally, request the associated media init segment
+
+
+ if (segment.map && !segment.map.bytes) {
+ var initSegmentOptions = videojs$1.mergeOptions(xhrOptions, {
+ uri: segment.map.resolvedUri,
+ responseType: 'arraybuffer',
+ headers: segmentXhrHeaders(segment.map)
+ });
+ var initSegmentRequestCallback = handleInitSegmentResponse(segment, captionParser, finishProcessingFn);
+ var initSegmentXhr = xhr(initSegmentOptions, initSegmentRequestCallback);
+ activeXhrs.push(initSegmentXhr);
+ }
+
+ var segmentRequestOptions = videojs$1.mergeOptions(xhrOptions, {
+ uri: segment.resolvedUri,
+ responseType: 'arraybuffer',
+ headers: segmentXhrHeaders(segment)
+ });
+ var segmentRequestCallback = handleSegmentResponse(segment, captionParser, finishProcessingFn);
+ var segmentXhr = xhr(segmentRequestOptions, segmentRequestCallback);
+ segmentXhr.addEventListener('progress', handleProgress(segment, progressFn));
+ activeXhrs.push(segmentXhr);
+ return function () {
+ return abortAll(activeXhrs);
+ };
+ }; // Utilities
+
+ /**
+ * Returns the CSS value for the specified property on an element
+ * using `getComputedStyle`. Firefox has a long-standing issue where
+ * getComputedStyle() may return null when running in an iframe with
+ * `display: none`.
+ *
+ * @see https://bugzilla.mozilla.org/show_bug.cgi?id=548397
+ * @param {HTMLElement} el the htmlelement to work on
+ * @param {string} the proprety to get the style for
+ */
+
+
+ var safeGetComputedStyle = function safeGetComputedStyle(el, property) {
+ var result = void 0;
+
+ if (!el) {
+ return '';
+ }
+
+ result = window$3.getComputedStyle(el);
+
+ if (!result) {
+ return '';
+ }
+
+ return result[property];
+ };
+ /**
+ * Resuable stable sort function
+ *
+ * @param {Playlists} array
+ * @param {Function} sortFn Different comparators
+ * @function stableSort
+ */
+
+
+ var stableSort = function stableSort(array, sortFn) {
+ var newArray = array.slice();
+ array.sort(function (left, right) {
+ var cmp = sortFn(left, right);
+
+ if (cmp === 0) {
+ return newArray.indexOf(left) - newArray.indexOf(right);
+ }
+
+ return cmp;
+ });
+ };
+ /**
+ * A comparator function to sort two playlist object by bandwidth.
+ *
+ * @param {Object} left a media playlist object
+ * @param {Object} right a media playlist object
+ * @return {Number} Greater than zero if the bandwidth attribute of
+ * left is greater than the corresponding attribute of right. Less
+ * than zero if the bandwidth of right is greater than left and
+ * exactly zero if the two are equal.
+ */
+
+
+ var comparePlaylistBandwidth = function comparePlaylistBandwidth(left, right) {
+ var leftBandwidth = void 0;
+ var rightBandwidth = void 0;
+
+ if (left.attributes.BANDWIDTH) {
+ leftBandwidth = left.attributes.BANDWIDTH;
+ }
+
+ leftBandwidth = leftBandwidth || window$3.Number.MAX_VALUE;
+
+ if (right.attributes.BANDWIDTH) {
+ rightBandwidth = right.attributes.BANDWIDTH;
+ }
+
+ rightBandwidth = rightBandwidth || window$3.Number.MAX_VALUE;
+ return leftBandwidth - rightBandwidth;
+ };
+ /**
+ * A comparator function to sort two playlist object by resolution (width).
+ * @param {Object} left a media playlist object
+ * @param {Object} right a media playlist object
+ * @return {Number} Greater than zero if the resolution.width attribute of
+ * left is greater than the corresponding attribute of right. Less
+ * than zero if the resolution.width of right is greater than left and
+ * exactly zero if the two are equal.
+ */
+
+
+ var comparePlaylistResolution = function comparePlaylistResolution(left, right) {
+ var leftWidth = void 0;
+ var rightWidth = void 0;
+
+ if (left.attributes.RESOLUTION && left.attributes.RESOLUTION.width) {
+ leftWidth = left.attributes.RESOLUTION.width;
+ }
+
+ leftWidth = leftWidth || window$3.Number.MAX_VALUE;
+
+ if (right.attributes.RESOLUTION && right.attributes.RESOLUTION.width) {
+ rightWidth = right.attributes.RESOLUTION.width;
+ }
+
+ rightWidth = rightWidth || window$3.Number.MAX_VALUE; // NOTE - Fallback to bandwidth sort as appropriate in cases where multiple renditions
+ // have the same media dimensions/ resolution
+
+ if (leftWidth === rightWidth && left.attributes.BANDWIDTH && right.attributes.BANDWIDTH) {
+ return left.attributes.BANDWIDTH - right.attributes.BANDWIDTH;
+ }
+
+ return leftWidth - rightWidth;
+ };
+ /**
+ * Chooses the appropriate media playlist based on bandwidth and player size
+ *
+ * @param {Object} master
+ * Object representation of the master manifest
+ * @param {Number} playerBandwidth
+ * Current calculated bandwidth of the player
+ * @param {Number} playerWidth
+ * Current width of the player element (should account for the device pixel ratio)
+ * @param {Number} playerHeight
+ * Current height of the player element (should account for the device pixel ratio)
+ * @param {Boolean} limitRenditionByPlayerDimensions
+ * True if the player width and height should be used during the selection, false otherwise
+ * @return {Playlist} the highest bitrate playlist less than the
+ * currently detected bandwidth, accounting for some amount of
+ * bandwidth variance
+ */
+
+
+ var simpleSelector = function simpleSelector(master, playerBandwidth, playerWidth, playerHeight, limitRenditionByPlayerDimensions) {
+ // convert the playlists to an intermediary representation to make comparisons easier
+ var sortedPlaylistReps = master.playlists.map(function (playlist) {
+ var width = void 0;
+ var height = void 0;
+ var bandwidth = void 0;
+ width = playlist.attributes.RESOLUTION && playlist.attributes.RESOLUTION.width;
+ height = playlist.attributes.RESOLUTION && playlist.attributes.RESOLUTION.height;
+ bandwidth = playlist.attributes.BANDWIDTH;
+ bandwidth = bandwidth || window$3.Number.MAX_VALUE;
+ return {
+ bandwidth: bandwidth,
+ width: width,
+ height: height,
+ playlist: playlist
+ };
+ });
+ stableSort(sortedPlaylistReps, function (left, right) {
+ return left.bandwidth - right.bandwidth;
+ }); // filter out any playlists that have been excluded due to
+ // incompatible configurations
+
+ sortedPlaylistReps = sortedPlaylistReps.filter(function (rep) {
+ return !Playlist.isIncompatible(rep.playlist);
+ }); // filter out any playlists that have been disabled manually through the representations
+ // api or blacklisted temporarily due to playback errors.
+
+ var enabledPlaylistReps = sortedPlaylistReps.filter(function (rep) {
+ return Playlist.isEnabled(rep.playlist);
+ });
+
+ if (!enabledPlaylistReps.length) {
+ // if there are no enabled playlists, then they have all been blacklisted or disabled
+ // by the user through the representations api. In this case, ignore blacklisting and
+ // fallback to what the user wants by using playlists the user has not disabled.
+ enabledPlaylistReps = sortedPlaylistReps.filter(function (rep) {
+ return !Playlist.isDisabled(rep.playlist);
+ });
+ } // filter out any variant that has greater effective bitrate
+ // than the current estimated bandwidth
+
+
+ var bandwidthPlaylistReps = enabledPlaylistReps.filter(function (rep) {
+ return rep.bandwidth * Config.BANDWIDTH_VARIANCE < playerBandwidth;
+ });
+ var highestRemainingBandwidthRep = bandwidthPlaylistReps[bandwidthPlaylistReps.length - 1]; // get all of the renditions with the same (highest) bandwidth
+ // and then taking the very first element
+
+ var bandwidthBestRep = bandwidthPlaylistReps.filter(function (rep) {
+ return rep.bandwidth === highestRemainingBandwidthRep.bandwidth;
+ })[0]; // if we're not going to limit renditions by player size, make an early decision.
+
+ if (limitRenditionByPlayerDimensions === false) {
+ var _chosenRep = bandwidthBestRep || enabledPlaylistReps[0] || sortedPlaylistReps[0];
+
+ return _chosenRep ? _chosenRep.playlist : null;
+ } // filter out playlists without resolution information
+
+
+ var haveResolution = bandwidthPlaylistReps.filter(function (rep) {
+ return rep.width && rep.height;
+ }); // sort variants by resolution
+
+ stableSort(haveResolution, function (left, right) {
+ return left.width - right.width;
+ }); // if we have the exact resolution as the player use it
+
+ var resolutionBestRepList = haveResolution.filter(function (rep) {
+ return rep.width === playerWidth && rep.height === playerHeight;
+ });
+ highestRemainingBandwidthRep = resolutionBestRepList[resolutionBestRepList.length - 1]; // ensure that we pick the highest bandwidth variant that have exact resolution
+
+ var resolutionBestRep = resolutionBestRepList.filter(function (rep) {
+ return rep.bandwidth === highestRemainingBandwidthRep.bandwidth;
+ })[0];
+ var resolutionPlusOneList = void 0;
+ var resolutionPlusOneSmallest = void 0;
+ var resolutionPlusOneRep = void 0; // find the smallest variant that is larger than the player
+ // if there is no match of exact resolution
+
+ if (!resolutionBestRep) {
+ resolutionPlusOneList = haveResolution.filter(function (rep) {
+ return rep.width > playerWidth || rep.height > playerHeight;
+ }); // find all the variants have the same smallest resolution
+
+ resolutionPlusOneSmallest = resolutionPlusOneList.filter(function (rep) {
+ return rep.width === resolutionPlusOneList[0].width && rep.height === resolutionPlusOneList[0].height;
+ }); // ensure that we also pick the highest bandwidth variant that
+ // is just-larger-than the video player
+
+ highestRemainingBandwidthRep = resolutionPlusOneSmallest[resolutionPlusOneSmallest.length - 1];
+ resolutionPlusOneRep = resolutionPlusOneSmallest.filter(function (rep) {
+ return rep.bandwidth === highestRemainingBandwidthRep.bandwidth;
+ })[0];
+ } // fallback chain of variants
+
+
+ var chosenRep = resolutionPlusOneRep || resolutionBestRep || bandwidthBestRep || enabledPlaylistReps[0] || sortedPlaylistReps[0];
+ return chosenRep ? chosenRep.playlist : null;
+ }; // Playlist Selectors
+
+ /**
+ * Chooses the appropriate media playlist based on the most recent
+ * bandwidth estimate and the player size.
+ *
+ * Expects to be called within the context of an instance of HlsHandler
+ *
+ * @return {Playlist} the highest bitrate playlist less than the
+ * currently detected bandwidth, accounting for some amount of
+ * bandwidth variance
+ */
+
+
+ var lastBandwidthSelector = function lastBandwidthSelector() {
+ var pixelRatio = this.useDevicePixelRatio ? window$3.devicePixelRatio || 1 : 1;
+ return simpleSelector(this.playlists.master, this.systemBandwidth, parseInt(safeGetComputedStyle(this.tech_.el(), 'width'), 10) * pixelRatio, parseInt(safeGetComputedStyle(this.tech_.el(), 'height'), 10) * pixelRatio, this.limitRenditionByPlayerDimensions);
+ };
+ /**
+ * Chooses the appropriate media playlist based on the potential to rebuffer
+ *
+ * @param {Object} settings
+ * Object of information required to use this selector
+ * @param {Object} settings.master
+ * Object representation of the master manifest
+ * @param {Number} settings.currentTime
+ * The current time of the player
+ * @param {Number} settings.bandwidth
+ * Current measured bandwidth
+ * @param {Number} settings.duration
+ * Duration of the media
+ * @param {Number} settings.segmentDuration
+ * Segment duration to be used in round trip time calculations
+ * @param {Number} settings.timeUntilRebuffer
+ * Time left in seconds until the player has to rebuffer
+ * @param {Number} settings.currentTimeline
+ * The current timeline segments are being loaded from
+ * @param {SyncController} settings.syncController
+ * SyncController for determining if we have a sync point for a given playlist
+ * @return {Object|null}
+ * {Object} return.playlist
+ * The highest bandwidth playlist with the least amount of rebuffering
+ * {Number} return.rebufferingImpact
+ * The amount of time in seconds switching to this playlist will rebuffer. A
+ * negative value means that switching will cause zero rebuffering.
+ */
+
+
+ var minRebufferMaxBandwidthSelector = function minRebufferMaxBandwidthSelector(settings) {
+ var master = settings.master,
+ currentTime = settings.currentTime,
+ bandwidth = settings.bandwidth,
+ duration$$1 = settings.duration,
+ segmentDuration = settings.segmentDuration,
+ timeUntilRebuffer = settings.timeUntilRebuffer,
+ currentTimeline = settings.currentTimeline,
+ syncController = settings.syncController; // filter out any playlists that have been excluded due to
+ // incompatible configurations
+
+ var compatiblePlaylists = master.playlists.filter(function (playlist) {
+ return !Playlist.isIncompatible(playlist);
+ }); // filter out any playlists that have been disabled manually through the representations
+ // api or blacklisted temporarily due to playback errors.
+
+ var enabledPlaylists = compatiblePlaylists.filter(Playlist.isEnabled);
+
+ if (!enabledPlaylists.length) {
+ // if there are no enabled playlists, then they have all been blacklisted or disabled
+ // by the user through the representations api. In this case, ignore blacklisting and
+ // fallback to what the user wants by using playlists the user has not disabled.
+ enabledPlaylists = compatiblePlaylists.filter(function (playlist) {
+ return !Playlist.isDisabled(playlist);
+ });
+ }
+
+ var bandwidthPlaylists = enabledPlaylists.filter(Playlist.hasAttribute.bind(null, 'BANDWIDTH'));
+ var rebufferingEstimates = bandwidthPlaylists.map(function (playlist) {
+ var syncPoint = syncController.getSyncPoint(playlist, duration$$1, currentTimeline, currentTime); // If there is no sync point for this playlist, switching to it will require a
+ // sync request first. This will double the request time
+
+ var numRequests = syncPoint ? 1 : 2;
+ var requestTimeEstimate = Playlist.estimateSegmentRequestTime(segmentDuration, bandwidth, playlist);
+ var rebufferingImpact = requestTimeEstimate * numRequests - timeUntilRebuffer;
+ return {
+ playlist: playlist,
+ rebufferingImpact: rebufferingImpact
+ };
+ });
+ var noRebufferingPlaylists = rebufferingEstimates.filter(function (estimate) {
+ return estimate.rebufferingImpact <= 0;
+ }); // Sort by bandwidth DESC
+
+ stableSort(noRebufferingPlaylists, function (a, b) {
+ return comparePlaylistBandwidth(b.playlist, a.playlist);
+ });
+
+ if (noRebufferingPlaylists.length) {
+ return noRebufferingPlaylists[0];
+ }
+
+ stableSort(rebufferingEstimates, function (a, b) {
+ return a.rebufferingImpact - b.rebufferingImpact;
+ });
+ return rebufferingEstimates[0] || null;
+ };
+ /**
+ * Chooses the appropriate media playlist, which in this case is the lowest bitrate
+ * one with video. If no renditions with video exist, return the lowest audio rendition.
+ *
+ * Expects to be called within the context of an instance of HlsHandler
+ *
+ * @return {Object|null}
+ * {Object} return.playlist
+ * The lowest bitrate playlist that contains a video codec. If no such rendition
+ * exists pick the lowest audio rendition.
+ */
+
+
+ var lowestBitrateCompatibleVariantSelector = function lowestBitrateCompatibleVariantSelector() {
+ // filter out any playlists that have been excluded due to
+ // incompatible configurations or playback errors
+ var playlists = this.playlists.master.playlists.filter(Playlist.isEnabled); // Sort ascending by bitrate
+
+ stableSort(playlists, function (a, b) {
+ return comparePlaylistBandwidth(a, b);
+ }); // Parse and assume that playlists with no video codec have no video
+ // (this is not necessarily true, although it is generally true).
+ //
+ // If an entire manifest has no valid videos everything will get filtered
+ // out.
+
+ var playlistsWithVideo = playlists.filter(function (playlist) {
+ return parseCodecs(playlist.attributes.CODECS).videoCodec;
+ });
+ return playlistsWithVideo[0] || null;
+ };
+ /**
+ * Create captions text tracks on video.js if they do not exist
+ *
+ * @param {Object} inbandTextTracks a reference to current inbandTextTracks
+ * @param {Object} tech the video.js tech
+ * @param {Object} captionStreams the caption streams to create
+ * @private
+ */
+
+
+ var createCaptionsTrackIfNotExists = function createCaptionsTrackIfNotExists(inbandTextTracks, tech, captionStreams) {
+ for (var trackId in captionStreams) {
+ if (!inbandTextTracks[trackId]) {
+ tech.trigger({
+ type: 'usage',
+ name: 'hls-608'
+ });
+ var track = tech.textTracks().getTrackById(trackId);
+
+ if (track) {
+ // Resuse an existing track with a CC# id because this was
+ // very likely created by videojs-contrib-hls from information
+ // in the m3u8 for us to use
+ inbandTextTracks[trackId] = track;
+ } else {
+ // Otherwise, create a track with the default `CC#` label and
+ // without a language
+ inbandTextTracks[trackId] = tech.addRemoteTextTrack({
+ kind: 'captions',
+ id: trackId,
+ label: trackId
+ }, false).track;
+ }
+ }
+ }
+ };
+
+ var addCaptionData = function addCaptionData(_ref) {
+ var inbandTextTracks = _ref.inbandTextTracks,
+ captionArray = _ref.captionArray,
+ timestampOffset = _ref.timestampOffset;
+
+ if (!captionArray) {
+ return;
+ }
+
+ var Cue = window.WebKitDataCue || window.VTTCue;
+ captionArray.forEach(function (caption) {
+ var track = caption.stream;
+ var startTime = caption.startTime;
+ var endTime = caption.endTime;
+
+ if (!inbandTextTracks[track]) {
+ return;
+ }
+
+ startTime += timestampOffset;
+ endTime += timestampOffset;
+ inbandTextTracks[track].addCue(new Cue(startTime, endTime, caption.text));
+ });
+ };
+ /**
+ * @file segment-loader.js
+ */
+ // in ms
+
+
+ var CHECK_BUFFER_DELAY = 500;
+ /**
+ * Determines if we should call endOfStream on the media source based
+ * on the state of the buffer or if appened segment was the final
+ * segment in the playlist.
+ *
+ * @param {Object} playlist a media playlist object
+ * @param {Object} mediaSource the MediaSource object
+ * @param {Number} segmentIndex the index of segment we last appended
+ * @returns {Boolean} do we need to call endOfStream on the MediaSource
+ */
+
+ var detectEndOfStream = function detectEndOfStream(playlist, mediaSource, segmentIndex) {
+ if (!playlist || !mediaSource) {
+ return false;
+ }
+
+ var segments = playlist.segments; // determine a few boolean values to help make the branch below easier
+ // to read
+
+ var appendedLastSegment = segmentIndex === segments.length; // if we've buffered to the end of the video, we need to call endOfStream
+ // so that MediaSources can trigger the `ended` event when it runs out of
+ // buffered data instead of waiting for me
+
+ return playlist.endList && mediaSource.readyState === 'open' && appendedLastSegment;
+ };
+
+ var finite = function finite(num) {
+ return typeof num === 'number' && isFinite(num);
+ };
+
+ var illegalMediaSwitch = function illegalMediaSwitch(loaderType, startingMedia, newSegmentMedia) {
+ // Although these checks should most likely cover non 'main' types, for now it narrows
+ // the scope of our checks.
+ if (loaderType !== 'main' || !startingMedia || !newSegmentMedia) {
+ return null;
+ }
+
+ if (!newSegmentMedia.containsAudio && !newSegmentMedia.containsVideo) {
+ return 'Neither audio nor video found in segment.';
+ }
+
+ if (startingMedia.containsVideo && !newSegmentMedia.containsVideo) {
+ return 'Only audio found in segment when we expected video.' + ' We can\'t switch to audio only from a stream that had video.' + ' To get rid of this message, please add codec information to the manifest.';
+ }
+
+ if (!startingMedia.containsVideo && newSegmentMedia.containsVideo) {
+ return 'Video found in segment when we expected only audio.' + ' We can\'t switch to a stream with video from an audio only stream.' + ' To get rid of this message, please add codec information to the manifest.';
+ }
+
+ return null;
+ };
+ /**
+ * Calculates a time value that is safe to remove from the back buffer without interupting
+ * playback.
+ *
+ * @param {TimeRange} seekable
+ * The current seekable range
+ * @param {Number} currentTime
+ * The current time of the player
+ * @param {Number} targetDuration
+ * The target duration of the current playlist
+ * @return {Number}
+ * Time that is safe to remove from the back buffer without interupting playback
+ */
+
+
+ var safeBackBufferTrimTime = function safeBackBufferTrimTime(seekable$$1, currentTime, targetDuration) {
+ // 30 seconds before the playhead provides a safe default for trimming.
+ //
+ // Choosing a reasonable default is particularly important for high bitrate content and
+ // VOD videos/live streams with large windows, as the buffer may end up overfilled and
+ // throw an APPEND_BUFFER_ERR.
+ var trimTime = currentTime - 30;
+
+ if (seekable$$1.length) {
+ // Some live playlists may have a shorter window of content than the full allowed back
+ // buffer. For these playlists, don't save content that's no longer within the window.
+ trimTime = Math.max(trimTime, seekable$$1.start(0));
+ } // Don't remove within target duration of the current time to avoid the possibility of
+ // removing the GOP currently being played, as removing it can cause playback stalls.
+
+
+ var maxTrimTime = currentTime - targetDuration;
+ return Math.min(maxTrimTime, trimTime);
+ };
+
+ var segmentInfoString = function segmentInfoString(segmentInfo) {
+ var _segmentInfo$segment = segmentInfo.segment,
+ start = _segmentInfo$segment.start,
+ end = _segmentInfo$segment.end,
+ _segmentInfo$playlist = segmentInfo.playlist,
+ seq = _segmentInfo$playlist.mediaSequence,
+ id = _segmentInfo$playlist.id,
+ _segmentInfo$playlist2 = _segmentInfo$playlist.segments,
+ segments = _segmentInfo$playlist2 === undefined ? [] : _segmentInfo$playlist2,
+ index = segmentInfo.mediaIndex,
+ timeline = segmentInfo.timeline;
+ return ['appending [' + index + '] of [' + seq + ', ' + (seq + segments.length) + '] from playlist [' + id + ']', '[' + start + ' => ' + end + '] in timeline [' + timeline + ']'].join(' ');
+ };
+ /**
+ * An object that manages segment loading and appending.
+ *
+ * @class SegmentLoader
+ * @param {Object} options required and optional options
+ * @extends videojs.EventTarget
+ */
+
+
+ var SegmentLoader = function (_videojs$EventTarget) {
+ inherits$2(SegmentLoader, _videojs$EventTarget);
+
+ function SegmentLoader(settings) {
+ classCallCheck$1(this, SegmentLoader); // check pre-conditions
+
+ var _this = possibleConstructorReturn$1(this, (SegmentLoader.__proto__ || Object.getPrototypeOf(SegmentLoader)).call(this));
+
+ if (!settings) {
+ throw new TypeError('Initialization settings are required');
+ }
+
+ if (typeof settings.currentTime !== 'function') {
+ throw new TypeError('No currentTime getter specified');
+ }
+
+ if (!settings.mediaSource) {
+ throw new TypeError('No MediaSource specified');
+ } // public properties
+
+
+ _this.bandwidth = settings.bandwidth;
+ _this.throughput = {
+ rate: 0,
+ count: 0
+ };
+ _this.roundTrip = NaN;
+
+ _this.resetStats_();
+
+ _this.mediaIndex = null; // private settings
+
+ _this.hasPlayed_ = settings.hasPlayed;
+ _this.currentTime_ = settings.currentTime;
+ _this.seekable_ = settings.seekable;
+ _this.seeking_ = settings.seeking;
+ _this.duration_ = settings.duration;
+ _this.mediaSource_ = settings.mediaSource;
+ _this.hls_ = settings.hls;
+ _this.loaderType_ = settings.loaderType;
+ _this.startingMedia_ = void 0;
+ _this.segmentMetadataTrack_ = settings.segmentMetadataTrack;
+ _this.goalBufferLength_ = settings.goalBufferLength;
+ _this.sourceType_ = settings.sourceType;
+ _this.inbandTextTracks_ = settings.inbandTextTracks;
+ _this.state_ = 'INIT'; // private instance variables
+
+ _this.checkBufferTimeout_ = null;
+ _this.error_ = void 0;
+ _this.currentTimeline_ = -1;
+ _this.pendingSegment_ = null;
+ _this.mimeType_ = null;
+ _this.sourceUpdater_ = null;
+ _this.xhrOptions_ = null; // Fragmented mp4 playback
+
+ _this.activeInitSegmentId_ = null;
+ _this.initSegments_ = {}; // HLSe playback
+
+ _this.cacheEncryptionKeys_ = settings.cacheEncryptionKeys;
+ _this.keyCache_ = {}; // Fmp4 CaptionParser
+
+ if (_this.loaderType_ === 'main') {
+ _this.captionParser_ = new captionParser();
+ } else {
+ _this.captionParser_ = null;
+ }
+
+ _this.decrypter_ = settings.decrypter; // Manages the tracking and generation of sync-points, mappings
+ // between a time in the display time and a segment index within
+ // a playlist
+
+ _this.syncController_ = settings.syncController;
+ _this.syncPoint_ = {
+ segmentIndex: 0,
+ time: 0
+ };
+
+ _this.triggerSyncInfoUpdate_ = function () {
+ return _this.trigger('syncinfoupdate');
+ };
+
+ _this.syncController_.on('syncinfoupdate', _this.triggerSyncInfoUpdate_);
+
+ _this.mediaSource_.addEventListener('sourceopen', function () {
+ return _this.ended_ = false;
+ }); // ...for determining the fetch location
+
+
+ _this.fetchAtBuffer_ = false;
+ _this.logger_ = logger('SegmentLoader[' + _this.loaderType_ + ']');
+ Object.defineProperty(_this, 'state', {
+ get: function get$$1() {
+ return this.state_;
+ },
+ set: function set$$1(newState) {
+ if (newState !== this.state_) {
+ this.logger_(this.state_ + ' -> ' + newState);
+ this.state_ = newState;
+ }
+ }
+ });
+ return _this;
+ }
+ /**
+ * reset all of our media stats
+ *
+ * @private
+ */
+
+
+ createClass$1(SegmentLoader, [{
+ key: 'resetStats_',
+ value: function resetStats_() {
+ this.mediaBytesTransferred = 0;
+ this.mediaRequests = 0;
+ this.mediaRequestsAborted = 0;
+ this.mediaRequestsTimedout = 0;
+ this.mediaRequestsErrored = 0;
+ this.mediaTransferDuration = 0;
+ this.mediaSecondsLoaded = 0;
+ }
+ /**
+ * dispose of the SegmentLoader and reset to the default state
+ */
+
+ }, {
+ key: 'dispose',
+ value: function dispose() {
+ this.trigger('dispose');
+ this.state = 'DISPOSED';
+ this.pause();
+ this.abort_();
+
+ if (this.sourceUpdater_) {
+ this.sourceUpdater_.dispose();
+ }
+
+ this.resetStats_();
+
+ if (this.captionParser_) {
+ this.captionParser_.reset();
+ }
+
+ if (this.checkBufferTimeout_) {
+ window$3.clearTimeout(this.checkBufferTimeout_);
+ }
+
+ if (this.syncController_ && this.triggerSyncInfoUpdate_) {
+ this.syncController_.off('syncinfoupdate', this.triggerSyncInfoUpdate_);
+ }
+
+ this.off();
+ }
+ /**
+ * abort anything that is currently doing on with the SegmentLoader
+ * and reset to a default state
+ */
+
+ }, {
+ key: 'abort',
+ value: function abort() {
+ if (this.state !== 'WAITING') {
+ if (this.pendingSegment_) {
+ this.pendingSegment_ = null;
+ }
+
+ return;
+ }
+
+ this.abort_(); // We aborted the requests we were waiting on, so reset the loader's state to READY
+ // since we are no longer "waiting" on any requests. XHR callback is not always run
+ // when the request is aborted. This will prevent the loader from being stuck in the
+ // WAITING state indefinitely.
+
+ this.state = 'READY'; // don't wait for buffer check timeouts to begin fetching the
+ // next segment
+
+ if (!this.paused()) {
+ this.monitorBuffer_();
+ }
+ }
+ /**
+ * abort all pending xhr requests and null any pending segements
+ *
+ * @private
+ */
+
+ }, {
+ key: 'abort_',
+ value: function abort_() {
+ if (this.pendingSegment_) {
+ this.pendingSegment_.abortRequests();
+ } // clear out the segment being processed
+
+
+ this.pendingSegment_ = null;
+ }
+ /**
+ * set an error on the segment loader and null out any pending segements
+ *
+ * @param {Error} error the error to set on the SegmentLoader
+ * @return {Error} the error that was set or that is currently set
+ */
+
+ }, {
+ key: 'error',
+ value: function error(_error) {
+ if (typeof _error !== 'undefined') {
+ this.error_ = _error;
+ }
+
+ this.pendingSegment_ = null;
+ return this.error_;
+ }
+ }, {
+ key: 'endOfStream',
+ value: function endOfStream() {
+ this.ended_ = true;
+ this.pause();
+ this.trigger('ended');
+ }
+ /**
+ * Indicates which time ranges are buffered
+ *
+ * @return {TimeRange}
+ * TimeRange object representing the current buffered ranges
+ */
+
+ }, {
+ key: 'buffered_',
+ value: function buffered_() {
+ if (!this.sourceUpdater_) {
+ return videojs$1.createTimeRanges();
+ }
+
+ return this.sourceUpdater_.buffered();
+ }
+ /**
+ * Gets and sets init segment for the provided map
+ *
+ * @param {Object} map
+ * The map object representing the init segment to get or set
+ * @param {Boolean=} set
+ * If true, the init segment for the provided map should be saved
+ * @return {Object}
+ * map object for desired init segment
+ */
+
+ }, {
+ key: 'initSegment',
+ value: function initSegment(map) {
+ var set$$1 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+
+ if (!map) {
+ return null;
+ }
+
+ var id = initSegmentId(map);
+ var storedMap = this.initSegments_[id];
+
+ if (set$$1 && !storedMap && map.bytes) {
+ this.initSegments_[id] = storedMap = {
+ resolvedUri: map.resolvedUri,
+ byterange: map.byterange,
+ bytes: map.bytes,
+ timescales: map.timescales,
+ videoTrackIds: map.videoTrackIds
+ };
+ }
+
+ return storedMap || map;
+ }
+ /**
+ * Gets and sets key for the provided key
+ *
+ * @param {Object} key
+ * The key object representing the key to get or set
+ * @param {Boolean=} set
+ * If true, the key for the provided key should be saved
+ * @return {Object}
+ * Key object for desired key
+ */
+
+ }, {
+ key: 'segmentKey',
+ value: function segmentKey(key) {
+ var set$$1 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+
+ if (!key) {
+ return null;
+ }
+
+ var id = segmentKeyId(key);
+ var storedKey = this.keyCache_[id]; // TODO: We should use the HTTP Expires header to invalidate our cache per
+ // https://tools.ietf.org/html/draft-pantos-http-live-streaming-23#section-6.2.3
+
+ if (this.cacheEncryptionKeys_ && set$$1 && !storedKey && key.bytes) {
+ this.keyCache_[id] = storedKey = {
+ resolvedUri: key.resolvedUri,
+ bytes: key.bytes
+ };
+ }
+
+ var result = {
+ resolvedUri: (storedKey || key).resolvedUri
+ };
+
+ if (storedKey) {
+ result.bytes = storedKey.bytes;
+ }
+
+ return result;
+ }
+ /**
+ * Returns true if all configuration required for loading is present, otherwise false.
+ *
+ * @return {Boolean} True if the all configuration is ready for loading
+ * @private
+ */
+
+ }, {
+ key: 'couldBeginLoading_',
+ value: function couldBeginLoading_() {
+ return this.playlist_ && ( // the source updater is created when init_ is called, so either having a
+ // source updater or being in the INIT state with a mimeType is enough
+ // to say we have all the needed configuration to start loading.
+ this.sourceUpdater_ || this.mimeType_ && this.state === 'INIT') && !this.paused();
+ }
+ /**
+ * load a playlist and start to fill the buffer
+ */
+
+ }, {
+ key: 'load',
+ value: function load() {
+ // un-pause
+ this.monitorBuffer_(); // if we don't have a playlist yet, keep waiting for one to be
+ // specified
+
+ if (!this.playlist_) {
+ return;
+ } // not sure if this is the best place for this
+
+
+ this.syncController_.setDateTimeMapping(this.playlist_); // if all the configuration is ready, initialize and begin loading
+
+ if (this.state === 'INIT' && this.couldBeginLoading_()) {
+ return this.init_();
+ } // if we're in the middle of processing a segment already, don't
+ // kick off an additional segment request
+
+
+ if (!this.couldBeginLoading_() || this.state !== 'READY' && this.state !== 'INIT') {
+ return;
+ }
+
+ this.state = 'READY';
+ }
+ /**
+ * Once all the starting parameters have been specified, begin
+ * operation. This method should only be invoked from the INIT
+ * state.
+ *
+ * @private
+ */
+
+ }, {
+ key: 'init_',
+ value: function init_() {
+ this.state = 'READY';
+ this.sourceUpdater_ = new SourceUpdater(this.mediaSource_, this.mimeType_, this.loaderType_, this.sourceBufferEmitter_);
+ this.resetEverything();
+ return this.monitorBuffer_();
+ }
+ /**
+ * set a playlist on the segment loader
+ *
+ * @param {PlaylistLoader} media the playlist to set on the segment loader
+ */
+
+ }, {
+ key: 'playlist',
+ value: function playlist(newPlaylist) {
+ var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+
+ if (!newPlaylist) {
+ return;
+ }
+
+ var oldPlaylist = this.playlist_;
+ var segmentInfo = this.pendingSegment_;
+ this.playlist_ = newPlaylist;
+ this.xhrOptions_ = options; // when we haven't started playing yet, the start of a live playlist
+ // is always our zero-time so force a sync update each time the playlist
+ // is refreshed from the server
+ //
+ // Use the INIT state to determine if playback has started, as the playlist sync info
+ // should be fixed once requests begin (as sync points are generated based on sync
+ // info), but not before then.
+
+ if (this.state === 'INIT') {
+ newPlaylist.syncInfo = {
+ mediaSequence: newPlaylist.mediaSequence,
+ time: 0
+ };
+ }
+
+ var oldId = null;
+
+ if (oldPlaylist) {
+ if (oldPlaylist.id) {
+ oldId = oldPlaylist.id;
+ } else if (oldPlaylist.uri) {
+ oldId = oldPlaylist.uri;
+ }
+ }
+
+ this.logger_('playlist update [' + oldId + ' => ' + (newPlaylist.id || newPlaylist.uri) + ']'); // in VOD, this is always a rendition switch (or we updated our syncInfo above)
+ // in LIVE, we always want to update with new playlists (including refreshes)
+
+ this.trigger('syncinfoupdate'); // if we were unpaused but waiting for a playlist, start
+ // buffering now
+
+ if (this.state === 'INIT' && this.couldBeginLoading_()) {
+ return this.init_();
+ }
+
+ if (!oldPlaylist || oldPlaylist.uri !== newPlaylist.uri) {
+ if (this.mediaIndex !== null) {
+ // we must "resync" the segment loader when we switch renditions and
+ // the segment loader is already synced to the previous rendition
+ this.resyncLoader();
+ } // the rest of this function depends on `oldPlaylist` being defined
+
+
+ return;
+ } // we reloaded the same playlist so we are in a live scenario
+ // and we will likely need to adjust the mediaIndex
+
+
+ var mediaSequenceDiff = newPlaylist.mediaSequence - oldPlaylist.mediaSequence;
+ this.logger_('live window shift [' + mediaSequenceDiff + ']'); // update the mediaIndex on the SegmentLoader
+ // this is important because we can abort a request and this value must be
+ // equal to the last appended mediaIndex
+
+ if (this.mediaIndex !== null) {
+ this.mediaIndex -= mediaSequenceDiff;
+ } // update the mediaIndex on the SegmentInfo object
+ // this is important because we will update this.mediaIndex with this value
+ // in `handleUpdateEnd_` after the segment has been successfully appended
+
+
+ if (segmentInfo) {
+ segmentInfo.mediaIndex -= mediaSequenceDiff; // we need to update the referenced segment so that timing information is
+ // saved for the new playlist's segment, however, if the segment fell off the
+ // playlist, we can leave the old reference and just lose the timing info
+
+ if (segmentInfo.mediaIndex >= 0) {
+ segmentInfo.segment = newPlaylist.segments[segmentInfo.mediaIndex];
+ }
+ }
+
+ this.syncController_.saveExpiredSegmentInfo(oldPlaylist, newPlaylist);
+ }
+ /**
+ * Prevent the loader from fetching additional segments. If there
+ * is a segment request outstanding, it will finish processing
+ * before the loader halts. A segment loader can be unpaused by
+ * calling load().
+ */
+
+ }, {
+ key: 'pause',
+ value: function pause() {
+ if (this.checkBufferTimeout_) {
+ window$3.clearTimeout(this.checkBufferTimeout_);
+ this.checkBufferTimeout_ = null;
+ }
+ }
+ /**
+ * Returns whether the segment loader is fetching additional
+ * segments when given the opportunity. This property can be
+ * modified through calls to pause() and load().
+ */
+
+ }, {
+ key: 'paused',
+ value: function paused() {
+ return this.checkBufferTimeout_ === null;
+ }
+ /**
+ * create/set the following mimetype on the SourceBuffer through a
+ * SourceUpdater
+ *
+ * @param {String} mimeType the mime type string to use
+ * @param {Object} sourceBufferEmitter an event emitter that fires when a source buffer
+ * is added to the media source
+ */
+
+ }, {
+ key: 'mimeType',
+ value: function mimeType(_mimeType, sourceBufferEmitter) {
+ if (this.mimeType_) {
+ return;
+ }
+
+ this.mimeType_ = _mimeType;
+ this.sourceBufferEmitter_ = sourceBufferEmitter; // if we were unpaused but waiting for a sourceUpdater, start
+ // buffering now
+
+ if (this.state === 'INIT' && this.couldBeginLoading_()) {
+ this.init_();
+ }
+ }
+ /**
+ * Delete all the buffered data and reset the SegmentLoader
+ * @param {Function} [done] an optional callback to be executed when the remove
+ * operation is complete
+ */
+
+ }, {
+ key: 'resetEverything',
+ value: function resetEverything(done) {
+ this.ended_ = false;
+ this.resetLoader(); // remove from 0, the earliest point, to Infinity, to signify removal of everything.
+ // VTT Segment Loader doesn't need to do anything but in the regular SegmentLoader,
+ // we then clamp the value to duration if necessary.
+
+ this.remove(0, Infinity, done); // clears fmp4 captions
+
+ if (this.captionParser_) {
+ this.captionParser_.clearAllCaptions();
+ }
+
+ this.trigger('reseteverything');
+ }
+ /**
+ * Force the SegmentLoader to resync and start loading around the currentTime instead
+ * of starting at the end of the buffer
+ *
+ * Useful for fast quality changes
+ */
+
+ }, {
+ key: 'resetLoader',
+ value: function resetLoader() {
+ this.fetchAtBuffer_ = false;
+ this.resyncLoader();
+ }
+ /**
+ * Force the SegmentLoader to restart synchronization and make a conservative guess
+ * before returning to the simple walk-forward method
+ */
+
+ }, {
+ key: 'resyncLoader',
+ value: function resyncLoader() {
+ this.mediaIndex = null;
+ this.syncPoint_ = null;
+ this.abort();
+ }
+ /**
+ * Remove any data in the source buffer between start and end times
+ * @param {Number} start - the start time of the region to remove from the buffer
+ * @param {Number} end - the end time of the region to remove from the buffer
+ * @param {Function} [done] - an optional callback to be executed when the remove
+ * operation is complete
+ */
+
+ }, {
+ key: 'remove',
+ value: function remove(start, end, done) {
+ // clamp end to duration if we need to remove everything.
+ // This is due to a browser bug that causes issues if we remove to Infinity.
+ // videojs/videojs-contrib-hls#1225
+ if (end === Infinity) {
+ end = this.duration_();
+ }
+
+ if (this.sourceUpdater_) {
+ this.sourceUpdater_.remove(start, end, done);
+ }
+
+ removeCuesFromTrack(start, end, this.segmentMetadataTrack_);
+
+ if (this.inbandTextTracks_) {
+ for (var id in this.inbandTextTracks_) {
+ removeCuesFromTrack(start, end, this.inbandTextTracks_[id]);
+ }
+ }
+ }
+ /**
+ * (re-)schedule monitorBufferTick_ to run as soon as possible
+ *
+ * @private
+ */
+
+ }, {
+ key: 'monitorBuffer_',
+ value: function monitorBuffer_() {
+ if (this.checkBufferTimeout_) {
+ window$3.clearTimeout(this.checkBufferTimeout_);
+ }
+
+ this.checkBufferTimeout_ = window$3.setTimeout(this.monitorBufferTick_.bind(this), 1);
+ }
+ /**
+ * As long as the SegmentLoader is in the READY state, periodically
+ * invoke fillBuffer_().
+ *
+ * @private
+ */
+
+ }, {
+ key: 'monitorBufferTick_',
+ value: function monitorBufferTick_() {
+ if (this.state === 'READY') {
+ this.fillBuffer_();
+ }
+
+ if (this.checkBufferTimeout_) {
+ window$3.clearTimeout(this.checkBufferTimeout_);
+ }
+
+ this.checkBufferTimeout_ = window$3.setTimeout(this.monitorBufferTick_.bind(this), CHECK_BUFFER_DELAY);
+ }
+ /**
+ * fill the buffer with segements unless the sourceBuffers are
+ * currently updating
+ *
+ * Note: this function should only ever be called by monitorBuffer_
+ * and never directly
+ *
+ * @private
+ */
+
+ }, {
+ key: 'fillBuffer_',
+ value: function fillBuffer_() {
+ if (this.sourceUpdater_.updating()) {
+ return;
+ }
+
+ if (!this.syncPoint_) {
+ this.syncPoint_ = this.syncController_.getSyncPoint(this.playlist_, this.duration_(), this.currentTimeline_, this.currentTime_());
+ } // see if we need to begin loading immediately
+
+
+ var segmentInfo = this.checkBuffer_(this.buffered_(), this.playlist_, this.mediaIndex, this.hasPlayed_(), this.currentTime_(), this.syncPoint_);
+
+ if (!segmentInfo) {
+ return;
+ }
+
+ if (this.isEndOfStream_(segmentInfo.mediaIndex)) {
+ this.endOfStream();
+ return;
+ }
+
+ if (segmentInfo.mediaIndex === this.playlist_.segments.length - 1 && this.mediaSource_.readyState === 'ended' && !this.seeking_()) {
+ return;
+ } // We will need to change timestampOffset of the sourceBuffer if:
+ // - The segment.timeline !== this.currentTimeline
+ // (we are crossing a discontinuity somehow)
+ // - The "timestampOffset" for the start of this segment is less than
+ // the currently set timestampOffset
+ // Also, clear captions if we are crossing a discontinuity boundary
+ // Previously, we changed the timestampOffset if the start of this segment
+ // is less than the currently set timestampOffset but this isn't wanted
+ // as it can produce bad behavior, especially around long running
+ // live streams
+
+
+ if (segmentInfo.timeline !== this.currentTimeline_) {
+ this.syncController_.reset();
+ segmentInfo.timestampOffset = segmentInfo.startOfSegment;
+
+ if (this.captionParser_) {
+ this.captionParser_.clearAllCaptions();
+ }
+ }
+
+ this.loadSegment_(segmentInfo);
+ }
+ /**
+ * Determines if this segment loader is at the end of it's stream.
+ *
+ * @param {Number} mediaIndex the index of segment we last appended
+ * @param {Object} [playlist=this.playlist_] a media playlist object
+ * @returns {Boolean} true if at end of stream, false otherwise.
+ */
+
+ }, {
+ key: 'isEndOfStream_',
+ value: function isEndOfStream_(mediaIndex) {
+ var playlist = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.playlist_;
+ return detectEndOfStream(playlist, this.mediaSource_, mediaIndex) && !this.sourceUpdater_.updating();
+ }
+ /**
+ * Determines what segment request should be made, given current playback
+ * state.
+ *
+ * @param {TimeRanges} buffered - the state of the buffer
+ * @param {Object} playlist - the playlist object to fetch segments from
+ * @param {Number} mediaIndex - the previous mediaIndex fetched or null
+ * @param {Boolean} hasPlayed - a flag indicating whether we have played or not
+ * @param {Number} currentTime - the playback position in seconds
+ * @param {Object} syncPoint - a segment info object that describes the
+ * @returns {Object} a segment request object that describes the segment to load
+ */
+
+ }, {
+ key: 'checkBuffer_',
+ value: function checkBuffer_(buffered, playlist, mediaIndex, hasPlayed, currentTime, syncPoint) {
+ var lastBufferedEnd = 0;
+ var startOfSegment = void 0;
+
+ if (buffered.length) {
+ lastBufferedEnd = buffered.end(buffered.length - 1);
+ }
+
+ var bufferedTime = Math.max(0, lastBufferedEnd - currentTime);
+
+ if (!playlist.segments.length) {
+ return null;
+ } // if there is plenty of content buffered, and the video has
+ // been played before relax for awhile
+
+
+ if (bufferedTime >= this.goalBufferLength_()) {
+ return null;
+ } // if the video has not yet played once, and we already have
+ // one segment downloaded do nothing
+
+
+ if (!hasPlayed && bufferedTime >= 1) {
+ return null;
+ } // When the syncPoint is null, there is no way of determining a good
+ // conservative segment index to fetch from
+ // The best thing to do here is to get the kind of sync-point data by
+ // making a request
+
+
+ if (syncPoint === null) {
+ mediaIndex = this.getSyncSegmentCandidate_(playlist);
+ return this.generateSegmentInfo_(playlist, mediaIndex, null, true);
+ } // Under normal playback conditions fetching is a simple walk forward
+
+
+ if (mediaIndex !== null) {
+ var segment = playlist.segments[mediaIndex];
+ startOfSegment = lastBufferedEnd;
+ return this.generateSegmentInfo_(playlist, mediaIndex + 1, startOfSegment, false);
+ } // There is a sync-point but the lack of a mediaIndex indicates that
+ // we need to make a good conservative guess about which segment to
+ // fetch
+
+
+ if (this.fetchAtBuffer_) {
+ // Find the segment containing the end of the buffer
+ var mediaSourceInfo = Playlist.getMediaInfoForTime(playlist, lastBufferedEnd, syncPoint.segmentIndex, syncPoint.time);
+ mediaIndex = mediaSourceInfo.mediaIndex;
+ startOfSegment = mediaSourceInfo.startTime;
+ } else {
+ // Find the segment containing currentTime
+ var _mediaSourceInfo = Playlist.getMediaInfoForTime(playlist, currentTime, syncPoint.segmentIndex, syncPoint.time);
+
+ mediaIndex = _mediaSourceInfo.mediaIndex;
+ startOfSegment = _mediaSourceInfo.startTime;
+ }
+
+ return this.generateSegmentInfo_(playlist, mediaIndex, startOfSegment, false);
+ }
+ /**
+ * The segment loader has no recourse except to fetch a segment in the
+ * current playlist and use the internal timestamps in that segment to
+ * generate a syncPoint. This function returns a good candidate index
+ * for that process.
+ *
+ * @param {Object} playlist - the playlist object to look for a
+ * @returns {Number} An index of a segment from the playlist to load
+ */
+
+ }, {
+ key: 'getSyncSegmentCandidate_',
+ value: function getSyncSegmentCandidate_(playlist) {
+ var _this2 = this;
+
+ if (this.currentTimeline_ === -1) {
+ return 0;
+ }
+
+ var segmentIndexArray = playlist.segments.map(function (s, i) {
+ return {
+ timeline: s.timeline,
+ segmentIndex: i
+ };
+ }).filter(function (s) {
+ return s.timeline === _this2.currentTimeline_;
+ });
+
+ if (segmentIndexArray.length) {
+ return segmentIndexArray[Math.min(segmentIndexArray.length - 1, 1)].segmentIndex;
+ }
+
+ return Math.max(playlist.segments.length - 1, 0);
+ }
+ }, {
+ key: 'generateSegmentInfo_',
+ value: function generateSegmentInfo_(playlist, mediaIndex, startOfSegment, isSyncRequest) {
+ if (mediaIndex < 0 || mediaIndex >= playlist.segments.length) {
+ return null;
+ }
+
+ var segment = playlist.segments[mediaIndex];
+ return {
+ requestId: 'segment-loader-' + Math.random(),
+ // resolve the segment URL relative to the playlist
+ uri: segment.resolvedUri,
+ // the segment's mediaIndex at the time it was requested
+ mediaIndex: mediaIndex,
+ // whether or not to update the SegmentLoader's state with this
+ // segment's mediaIndex
+ isSyncRequest: isSyncRequest,
+ startOfSegment: startOfSegment,
+ // the segment's playlist
+ playlist: playlist,
+ // unencrypted bytes of the segment
+ bytes: null,
+ // when a key is defined for this segment, the encrypted bytes
+ encryptedBytes: null,
+ // The target timestampOffset for this segment when we append it
+ // to the source buffer
+ timestampOffset: null,
+ // The timeline that the segment is in
+ timeline: segment.timeline,
+ // The expected duration of the segment in seconds
+ duration: segment.duration,
+ // retain the segment in case the playlist updates while doing an async process
+ segment: segment
+ };
+ }
+ /**
+ * Determines if the network has enough bandwidth to complete the current segment
+ * request in a timely manner. If not, the request will be aborted early and bandwidth
+ * updated to trigger a playlist switch.
+ *
+ * @param {Object} stats
+ * Object containing stats about the request timing and size
+ * @return {Boolean} True if the request was aborted, false otherwise
+ * @private
+ */
+
+ }, {
+ key: 'abortRequestEarly_',
+ value: function abortRequestEarly_(stats) {
+ if (this.hls_.tech_.paused() || // Don't abort if the current playlist is on the lowestEnabledRendition
+ // TODO: Replace using timeout with a boolean indicating whether this playlist is
+ // the lowestEnabledRendition.
+ !this.xhrOptions_.timeout || // Don't abort if we have no bandwidth information to estimate segment sizes
+ !this.playlist_.attributes.BANDWIDTH) {
+ return false;
+ } // Wait at least 1 second since the first byte of data has been received before
+ // using the calculated bandwidth from the progress event to allow the bitrate
+ // to stabilize
+
+
+ if (Date.now() - (stats.firstBytesReceivedAt || Date.now()) < 1000) {
+ return false;
+ }
+
+ var currentTime = this.currentTime_();
+ var measuredBandwidth = stats.bandwidth;
+ var segmentDuration = this.pendingSegment_.duration;
+ var requestTimeRemaining = Playlist.estimateSegmentRequestTime(segmentDuration, measuredBandwidth, this.playlist_, stats.bytesReceived); // Subtract 1 from the timeUntilRebuffer so we still consider an early abort
+ // if we are only left with less than 1 second when the request completes.
+ // A negative timeUntilRebuffering indicates we are already rebuffering
+
+ var timeUntilRebuffer$$1 = timeUntilRebuffer(this.buffered_(), currentTime, this.hls_.tech_.playbackRate()) - 1; // Only consider aborting early if the estimated time to finish the download
+ // is larger than the estimated time until the player runs out of forward buffer
+
+ if (requestTimeRemaining <= timeUntilRebuffer$$1) {
+ return false;
+ }
+
+ var switchCandidate = minRebufferMaxBandwidthSelector({
+ master: this.hls_.playlists.master,
+ currentTime: currentTime,
+ bandwidth: measuredBandwidth,
+ duration: this.duration_(),
+ segmentDuration: segmentDuration,
+ timeUntilRebuffer: timeUntilRebuffer$$1,
+ currentTimeline: this.currentTimeline_,
+ syncController: this.syncController_
+ });
+
+ if (!switchCandidate) {
+ return;
+ }
+
+ var rebufferingImpact = requestTimeRemaining - timeUntilRebuffer$$1;
+ var timeSavedBySwitching = rebufferingImpact - switchCandidate.rebufferingImpact;
+ var minimumTimeSaving = 0.5; // If we are already rebuffering, increase the amount of variance we add to the
+ // potential round trip time of the new request so that we are not too aggressive
+ // with switching to a playlist that might save us a fraction of a second.
+
+ if (timeUntilRebuffer$$1 <= TIME_FUDGE_FACTOR) {
+ minimumTimeSaving = 1;
+ }
+
+ if (!switchCandidate.playlist || switchCandidate.playlist.uri === this.playlist_.uri || timeSavedBySwitching < minimumTimeSaving) {
+ return false;
+ } // set the bandwidth to that of the desired playlist being sure to scale by
+ // BANDWIDTH_VARIANCE and add one so the playlist selector does not exclude it
+ // don't trigger a bandwidthupdate as the bandwidth is artifial
+
+
+ this.bandwidth = switchCandidate.playlist.attributes.BANDWIDTH * Config.BANDWIDTH_VARIANCE + 1;
+ this.abort();
+ this.trigger('earlyabort');
+ return true;
+ }
+ /**
+ * XHR `progress` event handler
+ *
+ * @param {Event}
+ * The XHR `progress` event
+ * @param {Object} simpleSegment
+ * A simplified segment object copy
+ * @private
+ */
+
+ }, {
+ key: 'handleProgress_',
+ value: function handleProgress_(event, simpleSegment) {
+ if (!this.pendingSegment_ || simpleSegment.requestId !== this.pendingSegment_.requestId || this.abortRequestEarly_(simpleSegment.stats)) {
+ return;
+ }
+
+ this.trigger('progress');
+ }
+ /**
+ * load a specific segment from a request into the buffer
+ *
+ * @private
+ */
+
+ }, {
+ key: 'loadSegment_',
+ value: function loadSegment_(segmentInfo) {
+ this.state = 'WAITING';
+ this.pendingSegment_ = segmentInfo;
+ this.trimBackBuffer_(segmentInfo);
+ segmentInfo.abortRequests = mediaSegmentRequest(this.hls_.xhr, this.xhrOptions_, this.decrypter_, this.captionParser_, this.createSimplifiedSegmentObj_(segmentInfo), // progress callback
+ this.handleProgress_.bind(this), this.segmentRequestFinished_.bind(this));
+ }
+ /**
+ * trim the back buffer so that we don't have too much data
+ * in the source buffer
+ *
+ * @private
+ *
+ * @param {Object} segmentInfo - the current segment
+ */
+
+ }, {
+ key: 'trimBackBuffer_',
+ value: function trimBackBuffer_(segmentInfo) {
+ var removeToTime = safeBackBufferTrimTime(this.seekable_(), this.currentTime_(), this.playlist_.targetDuration || 10); // Chrome has a hard limit of 150MB of
+ // buffer and a very conservative "garbage collector"
+ // We manually clear out the old buffer to ensure
+ // we don't trigger the QuotaExceeded error
+ // on the source buffer during subsequent appends
+
+ if (removeToTime > 0) {
+ this.remove(0, removeToTime);
+ }
+ }
+ /**
+ * created a simplified copy of the segment object with just the
+ * information necessary to perform the XHR and decryption
+ *
+ * @private
+ *
+ * @param {Object} segmentInfo - the current segment
+ * @returns {Object} a simplified segment object copy
+ */
+
+ }, {
+ key: 'createSimplifiedSegmentObj_',
+ value: function createSimplifiedSegmentObj_(segmentInfo) {
+ var segment = segmentInfo.segment;
+ var simpleSegment = {
+ resolvedUri: segment.resolvedUri,
+ byterange: segment.byterange,
+ requestId: segmentInfo.requestId
+ };
+
+ if (segment.key) {
+ // if the media sequence is greater than 2^32, the IV will be incorrect
+ // assuming 10s segments, that would be about 1300 years
+ var iv = segment.key.iv || new Uint32Array([0, 0, 0, segmentInfo.mediaIndex + segmentInfo.playlist.mediaSequence]);
+ simpleSegment.key = this.segmentKey(segment.key);
+ simpleSegment.key.iv = iv;
+ }
+
+ if (segment.map) {
+ simpleSegment.map = this.initSegment(segment.map);
+ }
+
+ return simpleSegment;
+ }
+ /**
+ * Handle the callback from the segmentRequest function and set the
+ * associated SegmentLoader state and errors if necessary
+ *
+ * @private
+ */
+
+ }, {
+ key: 'segmentRequestFinished_',
+ value: function segmentRequestFinished_(error, simpleSegment) {
+ // every request counts as a media request even if it has been aborted
+ // or canceled due to a timeout
+ this.mediaRequests += 1;
+
+ if (simpleSegment.stats) {
+ this.mediaBytesTransferred += simpleSegment.stats.bytesReceived;
+ this.mediaTransferDuration += simpleSegment.stats.roundTripTime;
+ } // The request was aborted and the SegmentLoader has already been reset
+
+
+ if (!this.pendingSegment_) {
+ this.mediaRequestsAborted += 1;
+ return;
+ } // the request was aborted and the SegmentLoader has already started
+ // another request. this can happen when the timeout for an aborted
+ // request triggers due to a limitation in the XHR library
+ // do not count this as any sort of request or we risk double-counting
+
+
+ if (simpleSegment.requestId !== this.pendingSegment_.requestId) {
+ return;
+ } // an error occurred from the active pendingSegment_ so reset everything
+
+
+ if (error) {
+ this.pendingSegment_ = null;
+ this.state = 'READY'; // the requests were aborted just record the aborted stat and exit
+ // this is not a true error condition and nothing corrective needs
+ // to be done
+
+ if (error.code === REQUEST_ERRORS.ABORTED) {
+ this.mediaRequestsAborted += 1;
+ return;
+ }
+
+ this.pause(); // the error is really just that at least one of the requests timed-out
+ // set the bandwidth to a very low value and trigger an ABR switch to
+ // take emergency action
+
+ if (error.code === REQUEST_ERRORS.TIMEOUT) {
+ this.mediaRequestsTimedout += 1;
+ this.bandwidth = 1;
+ this.roundTrip = NaN;
+ this.trigger('bandwidthupdate');
+ return;
+ } // if control-flow has arrived here, then the error is real
+ // emit an error event to blacklist the current playlist
+
+
+ this.mediaRequestsErrored += 1;
+ this.error(error);
+ this.trigger('error');
+ return;
+ } // the response was a success so set any bandwidth stats the request
+ // generated for ABR purposes
+
+
+ this.bandwidth = simpleSegment.stats.bandwidth;
+ this.roundTrip = simpleSegment.stats.roundTripTime; // if this request included an initialization segment, save that data
+ // to the initSegment cache
+
+ if (simpleSegment.map) {
+ simpleSegment.map = this.initSegment(simpleSegment.map, true);
+ } // if this request included a segment key, save that data in the cache
+
+
+ if (simpleSegment.key) {
+ this.segmentKey(simpleSegment.key, true);
+ }
+
+ this.processSegmentResponse_(simpleSegment);
+ }
+ /**
+ * Move any important data from the simplified segment object
+ * back to the real segment object for future phases
+ *
+ * @private
+ */
+
+ }, {
+ key: 'processSegmentResponse_',
+ value: function processSegmentResponse_(simpleSegment) {
+ var segmentInfo = this.pendingSegment_;
+ segmentInfo.bytes = simpleSegment.bytes;
+
+ if (simpleSegment.map) {
+ segmentInfo.segment.map.bytes = simpleSegment.map.bytes;
+ }
+
+ segmentInfo.endOfAllRequests = simpleSegment.endOfAllRequests; // This has fmp4 captions, add them to text tracks
+
+ if (simpleSegment.fmp4Captions) {
+ createCaptionsTrackIfNotExists(this.inbandTextTracks_, this.hls_.tech_, simpleSegment.captionStreams);
+ addCaptionData({
+ inbandTextTracks: this.inbandTextTracks_,
+ captionArray: simpleSegment.fmp4Captions,
+ // fmp4s will not have a timestamp offset
+ timestampOffset: 0
+ }); // Reset stored captions since we added parsed
+ // captions to a text track at this point
+
+ if (this.captionParser_) {
+ this.captionParser_.clearParsedCaptions();
+ }
+ }
+
+ this.handleSegment_();
+ }
+ /**
+ * append a decrypted segement to the SourceBuffer through a SourceUpdater
+ *
+ * @private
+ */
+
+ }, {
+ key: 'handleSegment_',
+ value: function handleSegment_() {
+ var _this3 = this;
+
+ if (!this.pendingSegment_) {
+ this.state = 'READY';
+ return;
+ }
+
+ var segmentInfo = this.pendingSegment_;
+ var segment = segmentInfo.segment;
+ var timingInfo = this.syncController_.probeSegmentInfo(segmentInfo); // When we have our first timing info, determine what media types this loader is
+ // dealing with. Although we're maintaining extra state, it helps to preserve the
+ // separation of segment loader from the actual source buffers.
+
+ if (typeof this.startingMedia_ === 'undefined' && timingInfo && ( // Guard against cases where we're not getting timing info at all until we are
+ // certain that all streams will provide it.
+ timingInfo.containsAudio || timingInfo.containsVideo)) {
+ this.startingMedia_ = {
+ containsAudio: timingInfo.containsAudio,
+ containsVideo: timingInfo.containsVideo
+ };
+ }
+
+ var illegalMediaSwitchError = illegalMediaSwitch(this.loaderType_, this.startingMedia_, timingInfo);
+
+ if (illegalMediaSwitchError) {
+ this.error({
+ message: illegalMediaSwitchError,
+ blacklistDuration: Infinity
+ });
+ this.trigger('error');
+ return;
+ }
+
+ if (segmentInfo.isSyncRequest) {
+ this.trigger('syncinfoupdate');
+ this.pendingSegment_ = null;
+ this.state = 'READY';
+ return;
+ }
+
+ if (segmentInfo.timestampOffset !== null && segmentInfo.timestampOffset !== this.sourceUpdater_.timestampOffset()) {
+ // Subtract any difference between the PTS and DTS times of the first frame
+ // from the timeStampOffset (which currently equals the buffered.end) to prevent
+ // creating any gaps in the buffer
+ if (timingInfo && timingInfo.segmentTimestampInfo) {
+ var ptsStartTime = timingInfo.segmentTimestampInfo[0].ptsTime;
+ var dtsStartTime = timingInfo.segmentTimestampInfo[0].dtsTime;
+ segmentInfo.timestampOffset -= ptsStartTime - dtsStartTime;
+ }
+
+ this.sourceUpdater_.timestampOffset(segmentInfo.timestampOffset); // fired when a timestamp offset is set in HLS (can also identify discontinuities)
+
+ this.trigger('timestampoffset');
+ }
+
+ var timelineMapping = this.syncController_.mappingForTimeline(segmentInfo.timeline);
+
+ if (timelineMapping !== null) {
+ this.trigger({
+ type: 'segmenttimemapping',
+ mapping: timelineMapping
+ });
+ }
+
+ this.state = 'APPENDING'; // if the media initialization segment is changing, append it
+ // before the content segment
+
+ if (segment.map) {
+ var initId = initSegmentId(segment.map);
+
+ if (!this.activeInitSegmentId_ || this.activeInitSegmentId_ !== initId) {
+ var initSegment = this.initSegment(segment.map);
+ this.sourceUpdater_.appendBuffer({
+ bytes: initSegment.bytes
+ }, function () {
+ _this3.activeInitSegmentId_ = initId;
+ });
+ }
+ }
+
+ segmentInfo.byteLength = segmentInfo.bytes.byteLength;
+
+ if (typeof segment.start === 'number' && typeof segment.end === 'number') {
+ this.mediaSecondsLoaded += segment.end - segment.start;
+ } else {
+ this.mediaSecondsLoaded += segment.duration;
+ }
+
+ this.logger_(segmentInfoString(segmentInfo));
+ this.sourceUpdater_.appendBuffer({
+ bytes: segmentInfo.bytes,
+ videoSegmentTimingInfoCallback: this.handleVideoSegmentTimingInfo_.bind(this, segmentInfo.requestId)
+ }, this.handleUpdateEnd_.bind(this));
+ }
+ }, {
+ key: 'handleVideoSegmentTimingInfo_',
+ value: function handleVideoSegmentTimingInfo_(requestId, event) {
+ if (!this.pendingSegment_ || requestId !== this.pendingSegment_.requestId) {
+ return;
+ }
+
+ var segment = this.pendingSegment_.segment;
+
+ if (!segment.videoTimingInfo) {
+ segment.videoTimingInfo = {};
+ }
+
+ segment.videoTimingInfo.transmuxerPrependedSeconds = event.videoSegmentTimingInfo.prependedContentDuration || 0;
+ segment.videoTimingInfo.transmuxedPresentationStart = event.videoSegmentTimingInfo.start.presentation;
+ segment.videoTimingInfo.transmuxedPresentationEnd = event.videoSegmentTimingInfo.end.presentation; // mainly used as a reference for debugging
+
+ segment.videoTimingInfo.baseMediaDecodeTime = event.videoSegmentTimingInfo.baseMediaDecodeTime;
+ }
+ /**
+ * callback to run when appendBuffer is finished. detects if we are
+ * in a good state to do things with the data we got, or if we need
+ * to wait for more
+ *
+ * @private
+ */
+
+ }, {
+ key: 'handleUpdateEnd_',
+ value: function handleUpdateEnd_() {
+ if (!this.pendingSegment_) {
+ this.state = 'READY';
+
+ if (!this.paused()) {
+ this.monitorBuffer_();
+ }
+
+ return;
+ }
+
+ var segmentInfo = this.pendingSegment_;
+ var segment = segmentInfo.segment;
+ var isWalkingForward = this.mediaIndex !== null;
+ this.pendingSegment_ = null;
+ this.recordThroughput_(segmentInfo);
+ this.addSegmentMetadataCue_(segmentInfo);
+ this.state = 'READY';
+ this.mediaIndex = segmentInfo.mediaIndex;
+ this.fetchAtBuffer_ = true;
+ this.currentTimeline_ = segmentInfo.timeline; // We must update the syncinfo to recalculate the seekable range before
+ // the following conditional otherwise it may consider this a bad "guess"
+ // and attempt to resync when the post-update seekable window and live
+ // point would mean that this was the perfect segment to fetch
+
+ this.trigger('syncinfoupdate'); // If we previously appended a segment that ends more than 3 targetDurations before
+ // the currentTime_ that means that our conservative guess was too conservative.
+ // In that case, reset the loader state so that we try to use any information gained
+ // from the previous request to create a new, more accurate, sync-point.
+
+ if (segment.end && this.currentTime_() - segment.end > segmentInfo.playlist.targetDuration * 3) {
+ this.resetEverything();
+ return;
+ } // Don't do a rendition switch unless we have enough time to get a sync segment
+ // and conservatively guess
+
+
+ if (isWalkingForward) {
+ this.trigger('bandwidthupdate');
+ }
+
+ this.trigger('progress'); // any time an update finishes and the last segment is in the
+ // buffer, end the stream. this ensures the "ended" event will
+ // fire if playback reaches that point.
+
+ if (this.isEndOfStream_(segmentInfo.mediaIndex + 1, segmentInfo.playlist)) {
+ this.endOfStream();
+ }
+
+ if (!this.paused()) {
+ this.monitorBuffer_();
+ }
+ }
+ /**
+ * Records the current throughput of the decrypt, transmux, and append
+ * portion of the semgment pipeline. `throughput.rate` is a the cumulative
+ * moving average of the throughput. `throughput.count` is the number of
+ * data points in the average.
+ *
+ * @private
+ * @param {Object} segmentInfo the object returned by loadSegment
+ */
+
+ }, {
+ key: 'recordThroughput_',
+ value: function recordThroughput_(segmentInfo) {
+ var rate = this.throughput.rate; // Add one to the time to ensure that we don't accidentally attempt to divide
+ // by zero in the case where the throughput is ridiculously high
+
+ var segmentProcessingTime = Date.now() - segmentInfo.endOfAllRequests + 1; // Multiply by 8000 to convert from bytes/millisecond to bits/second
+
+ var segmentProcessingThroughput = Math.floor(segmentInfo.byteLength / segmentProcessingTime * 8 * 1000); // This is just a cumulative moving average calculation:
+ // newAvg = oldAvg + (sample - oldAvg) / (sampleCount + 1)
+
+ this.throughput.rate += (segmentProcessingThroughput - rate) / ++this.throughput.count;
+ }
+ /**
+ * Adds a cue to the segment-metadata track with some metadata information about the
+ * segment
+ *
+ * @private
+ * @param {Object} segmentInfo
+ * the object returned by loadSegment
+ * @method addSegmentMetadataCue_
+ */
+
+ }, {
+ key: 'addSegmentMetadataCue_',
+ value: function addSegmentMetadataCue_(segmentInfo) {
+ if (!this.segmentMetadataTrack_) {
+ return;
+ }
+
+ var segment = segmentInfo.segment;
+ var start = segment.start;
+ var end = segment.end; // Do not try adding the cue if the start and end times are invalid.
+
+ if (!finite(start) || !finite(end)) {
+ return;
+ }
+
+ removeCuesFromTrack(start, end, this.segmentMetadataTrack_);
+ var Cue = window$3.WebKitDataCue || window$3.VTTCue;
+ var value = {
+ custom: segment.custom,
+ dateTimeObject: segment.dateTimeObject,
+ dateTimeString: segment.dateTimeString,
+ bandwidth: segmentInfo.playlist.attributes.BANDWIDTH,
+ resolution: segmentInfo.playlist.attributes.RESOLUTION,
+ codecs: segmentInfo.playlist.attributes.CODECS,
+ byteLength: segmentInfo.byteLength,
+ uri: segmentInfo.uri,
+ timeline: segmentInfo.timeline,
+ playlist: segmentInfo.playlist.id,
+ start: start,
+ end: end
+ };
+ var data = JSON.stringify(value);
+ var cue = new Cue(start, end, data); // Attach the metadata to the value property of the cue to keep consistency between
+ // the differences of WebKitDataCue in safari and VTTCue in other browsers
+
+ cue.value = value;
+ this.segmentMetadataTrack_.addCue(cue);
+ }
+ }]);
+ return SegmentLoader;
+ }(videojs$1.EventTarget);
+
+ var uint8ToUtf8 = function uint8ToUtf8(uintArray) {
+ return decodeURIComponent(escape(String.fromCharCode.apply(null, uintArray)));
+ };
+ /**
+ * @file vtt-segment-loader.js
+ */
+
+
+ var VTT_LINE_TERMINATORS = new Uint8Array('\n\n'.split('').map(function (_char2) {
+ return _char2.charCodeAt(0);
+ }));
+ /**
+ * An object that manages segment loading and appending.
+ *
+ * @class VTTSegmentLoader
+ * @param {Object} options required and optional options
+ * @extends videojs.EventTarget
+ */
+
+ var VTTSegmentLoader = function (_SegmentLoader) {
+ inherits$2(VTTSegmentLoader, _SegmentLoader);
+
+ function VTTSegmentLoader(settings) {
+ var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ classCallCheck$1(this, VTTSegmentLoader); // SegmentLoader requires a MediaSource be specified or it will throw an error;
+ // however, VTTSegmentLoader has no need of a media source, so delete the reference
+
+ var _this = possibleConstructorReturn$1(this, (VTTSegmentLoader.__proto__ || Object.getPrototypeOf(VTTSegmentLoader)).call(this, settings, options));
+
+ _this.mediaSource_ = null;
+ _this.subtitlesTrack_ = null;
+ _this.featuresNativeTextTracks_ = settings.featuresNativeTextTracks;
+ return _this;
+ }
+ /**
+ * Indicates which time ranges are buffered
+ *
+ * @return {TimeRange}
+ * TimeRange object representing the current buffered ranges
+ */
+
+
+ createClass$1(VTTSegmentLoader, [{
+ key: 'buffered_',
+ value: function buffered_() {
+ if (!this.subtitlesTrack_ || !this.subtitlesTrack_.cues.length) {
+ return videojs$1.createTimeRanges();
+ }
+
+ var cues = this.subtitlesTrack_.cues;
+ var start = cues[0].startTime;
+ var end = cues[cues.length - 1].startTime;
+ return videojs$1.createTimeRanges([[start, end]]);
+ }
+ /**
+ * Gets and sets init segment for the provided map
+ *
+ * @param {Object} map
+ * The map object representing the init segment to get or set
+ * @param {Boolean=} set
+ * If true, the init segment for the provided map should be saved
+ * @return {Object}
+ * map object for desired init segment
+ */
+
+ }, {
+ key: 'initSegment',
+ value: function initSegment(map) {
+ var set$$1 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+
+ if (!map) {
+ return null;
+ }
+
+ var id = initSegmentId(map);
+ var storedMap = this.initSegments_[id];
+
+ if (set$$1 && !storedMap && map.bytes) {
+ // append WebVTT line terminators to the media initialization segment if it exists
+ // to follow the WebVTT spec (https://w3c.github.io/webvtt/#file-structure) that
+ // requires two or more WebVTT line terminators between the WebVTT header and the
+ // rest of the file
+ var combinedByteLength = VTT_LINE_TERMINATORS.byteLength + map.bytes.byteLength;
+ var combinedSegment = new Uint8Array(combinedByteLength);
+ combinedSegment.set(map.bytes);
+ combinedSegment.set(VTT_LINE_TERMINATORS, map.bytes.byteLength);
+ this.initSegments_[id] = storedMap = {
+ resolvedUri: map.resolvedUri,
+ byterange: map.byterange,
+ bytes: combinedSegment
+ };
+ }
+
+ return storedMap || map;
+ }
+ /**
+ * Returns true if all configuration required for loading is present, otherwise false.
+ *
+ * @return {Boolean} True if the all configuration is ready for loading
+ * @private
+ */
+
+ }, {
+ key: 'couldBeginLoading_',
+ value: function couldBeginLoading_() {
+ return this.playlist_ && this.subtitlesTrack_ && !this.paused();
+ }
+ /**
+ * Once all the starting parameters have been specified, begin
+ * operation. This method should only be invoked from the INIT
+ * state.
+ *
+ * @private
+ */
+
+ }, {
+ key: 'init_',
+ value: function init_() {
+ this.state = 'READY';
+ this.resetEverything();
+ return this.monitorBuffer_();
+ }
+ /**
+ * Set a subtitle track on the segment loader to add subtitles to
+ *
+ * @param {TextTrack=} track
+ * The text track to add loaded subtitles to
+ * @return {TextTrack}
+ * Returns the subtitles track
+ */
+
+ }, {
+ key: 'track',
+ value: function track(_track) {
+ if (typeof _track === 'undefined') {
+ return this.subtitlesTrack_;
+ }
+
+ this.subtitlesTrack_ = _track; // if we were unpaused but waiting for a sourceUpdater, start
+ // buffering now
+
+ if (this.state === 'INIT' && this.couldBeginLoading_()) {
+ this.init_();
+ }
+
+ return this.subtitlesTrack_;
+ }
+ /**
+ * Remove any data in the source buffer between start and end times
+ * @param {Number} start - the start time of the region to remove from the buffer
+ * @param {Number} end - the end time of the region to remove from the buffer
+ */
+
+ }, {
+ key: 'remove',
+ value: function remove(start, end) {
+ removeCuesFromTrack(start, end, this.subtitlesTrack_);
+ }
+ /**
+ * fill the buffer with segements unless the sourceBuffers are
+ * currently updating
+ *
+ * Note: this function should only ever be called by monitorBuffer_
+ * and never directly
+ *
+ * @private
+ */
+
+ }, {
+ key: 'fillBuffer_',
+ value: function fillBuffer_() {
+ var _this2 = this;
+
+ if (!this.syncPoint_) {
+ this.syncPoint_ = this.syncController_.getSyncPoint(this.playlist_, this.duration_(), this.currentTimeline_, this.currentTime_());
+ } // see if we need to begin loading immediately
+
+
+ var segmentInfo = this.checkBuffer_(this.buffered_(), this.playlist_, this.mediaIndex, this.hasPlayed_(), this.currentTime_(), this.syncPoint_);
+ segmentInfo = this.skipEmptySegments_(segmentInfo);
+
+ if (!segmentInfo) {
+ return;
+ }
+
+ if (this.syncController_.timestampOffsetForTimeline(segmentInfo.timeline) === null) {
+ // We don't have the timestamp offset that we need to sync subtitles.
+ // Rerun on a timestamp offset or user interaction.
+ var checkTimestampOffset = function checkTimestampOffset() {
+ _this2.state = 'READY';
+
+ if (!_this2.paused()) {
+ // if not paused, queue a buffer check as soon as possible
+ _this2.monitorBuffer_();
+ }
+ };
+
+ this.syncController_.one('timestampoffset', checkTimestampOffset);
+ this.state = 'WAITING_ON_TIMELINE';
+ return;
+ }
+
+ this.loadSegment_(segmentInfo);
+ }
+ /**
+ * Prevents the segment loader from requesting segments we know contain no subtitles
+ * by walking forward until we find the next segment that we don't know whether it is
+ * empty or not.
+ *
+ * @param {Object} segmentInfo
+ * a segment info object that describes the current segment
+ * @return {Object}
+ * a segment info object that describes the current segment
+ */
+
+ }, {
+ key: 'skipEmptySegments_',
+ value: function skipEmptySegments_(segmentInfo) {
+ while (segmentInfo && segmentInfo.segment.empty) {
+ segmentInfo = this.generateSegmentInfo_(segmentInfo.playlist, segmentInfo.mediaIndex + 1, segmentInfo.startOfSegment + segmentInfo.duration, segmentInfo.isSyncRequest);
+ }
+
+ return segmentInfo;
+ }
+ /**
+ * append a decrypted segement to the SourceBuffer through a SourceUpdater
+ *
+ * @private
+ */
+
+ }, {
+ key: 'handleSegment_',
+ value: function handleSegment_() {
+ var _this3 = this;
+
+ if (!this.pendingSegment_ || !this.subtitlesTrack_) {
+ this.state = 'READY';
+ return;
+ }
+
+ this.state = 'APPENDING';
+ var segmentInfo = this.pendingSegment_;
+ var segment = segmentInfo.segment; // Make sure that vttjs has loaded, otherwise, wait till it finished loading
+
+ if (typeof window$3.WebVTT !== 'function' && this.subtitlesTrack_ && this.subtitlesTrack_.tech_) {
+ var loadHandler = void 0;
+
+ var errorHandler = function errorHandler() {
+ _this3.subtitlesTrack_.tech_.off('vttjsloaded', loadHandler);
+
+ _this3.error({
+ message: 'Error loading vtt.js'
+ });
+
+ _this3.state = 'READY';
+
+ _this3.pause();
+
+ _this3.trigger('error');
+ };
+
+ loadHandler = function loadHandler() {
+ _this3.subtitlesTrack_.tech_.off('vttjserror', errorHandler);
+
+ _this3.handleSegment_();
+ };
+
+ this.state = 'WAITING_ON_VTTJS';
+ this.subtitlesTrack_.tech_.one('vttjsloaded', loadHandler);
+ this.subtitlesTrack_.tech_.one('vttjserror', errorHandler);
+ return;
+ }
+
+ segment.requested = true;
+
+ try {
+ this.parseVTTCues_(segmentInfo);
+ } catch (e) {
+ this.error({
+ message: e.message
+ });
+ this.state = 'READY';
+ this.pause();
+ return this.trigger('error');
+ }
+
+ this.updateTimeMapping_(segmentInfo, this.syncController_.timelines[segmentInfo.timeline], this.playlist_);
+
+ if (segmentInfo.isSyncRequest) {
+ this.trigger('syncinfoupdate');
+ this.pendingSegment_ = null;
+ this.state = 'READY';
+ return;
+ }
+
+ segmentInfo.byteLength = segmentInfo.bytes.byteLength;
+ this.mediaSecondsLoaded += segment.duration;
+
+ if (segmentInfo.cues.length) {
+ // remove any overlapping cues to prevent doubling
+ this.remove(segmentInfo.cues[0].endTime, segmentInfo.cues[segmentInfo.cues.length - 1].endTime);
+ }
+
+ segmentInfo.cues.forEach(function (cue) {
+ _this3.subtitlesTrack_.addCue(_this3.featuresNativeTextTracks_ ? new window$3.VTTCue(cue.startTime, cue.endTime, cue.text) : cue);
+ });
+ this.handleUpdateEnd_();
+ }
+ /**
+ * Uses the WebVTT parser to parse the segment response
+ *
+ * @param {Object} segmentInfo
+ * a segment info object that describes the current segment
+ * @private
+ */
+
+ }, {
+ key: 'parseVTTCues_',
+ value: function parseVTTCues_(segmentInfo) {
+ var decoder = void 0;
+ var decodeBytesToString = false;
+
+ if (typeof window$3.TextDecoder === 'function') {
+ decoder = new window$3.TextDecoder('utf8');
+ } else {
+ decoder = window$3.WebVTT.StringDecoder();
+ decodeBytesToString = true;
+ }
+
+ var parser = new window$3.WebVTT.Parser(window$3, window$3.vttjs, decoder);
+ segmentInfo.cues = [];
+ segmentInfo.timestampmap = {
+ MPEGTS: 0,
+ LOCAL: 0
+ };
+ parser.oncue = segmentInfo.cues.push.bind(segmentInfo.cues);
+
+ parser.ontimestampmap = function (map) {
+ return segmentInfo.timestampmap = map;
+ };
+
+ parser.onparsingerror = function (error) {
+ videojs$1.log.warn('Error encountered when parsing cues: ' + error.message);
+ };
+
+ if (segmentInfo.segment.map) {
+ var mapData = segmentInfo.segment.map.bytes;
+
+ if (decodeBytesToString) {
+ mapData = uint8ToUtf8(mapData);
+ }
+
+ parser.parse(mapData);
+ }
+
+ var segmentData = segmentInfo.bytes;
+
+ if (decodeBytesToString) {
+ segmentData = uint8ToUtf8(segmentData);
+ }
+
+ parser.parse(segmentData);
+ parser.flush();
+ }
+ /**
+ * Updates the start and end times of any cues parsed by the WebVTT parser using
+ * the information parsed from the X-TIMESTAMP-MAP header and a TS to media time mapping
+ * from the SyncController
+ *
+ * @param {Object} segmentInfo
+ * a segment info object that describes the current segment
+ * @param {Object} mappingObj
+ * object containing a mapping from TS to media time
+ * @param {Object} playlist
+ * the playlist object containing the segment
+ * @private
+ */
+
+ }, {
+ key: 'updateTimeMapping_',
+ value: function updateTimeMapping_(segmentInfo, mappingObj, playlist) {
+ var segment = segmentInfo.segment;
+
+ if (!mappingObj) {
+ // If the sync controller does not have a mapping of TS to Media Time for the
+ // timeline, then we don't have enough information to update the cue
+ // start/end times
+ return;
+ }
+
+ if (!segmentInfo.cues.length) {
+ // If there are no cues, we also do not have enough information to figure out
+ // segment timing. Mark that the segment contains no cues so we don't re-request
+ // an empty segment.
+ segment.empty = true;
+ return;
+ }
+
+ var timestampmap = segmentInfo.timestampmap;
+ var diff = timestampmap.MPEGTS / 90000 - timestampmap.LOCAL + mappingObj.mapping;
+ segmentInfo.cues.forEach(function (cue) {
+ // First convert cue time to TS time using the timestamp-map provided within the vtt
+ cue.startTime += diff;
+ cue.endTime += diff;
+ });
+
+ if (!playlist.syncInfo) {
+ var firstStart = segmentInfo.cues[0].startTime;
+ var lastStart = segmentInfo.cues[segmentInfo.cues.length - 1].startTime;
+ playlist.syncInfo = {
+ mediaSequence: playlist.mediaSequence + segmentInfo.mediaIndex,
+ time: Math.min(firstStart, lastStart - segment.duration)
+ };
+ }
+ }
+ }]);
+ return VTTSegmentLoader;
+ }(SegmentLoader);
+ /**
+ * @file ad-cue-tags.js
+ */
+
+ /**
+ * Searches for an ad cue that overlaps with the given mediaTime
+ */
+
+
+ var findAdCue = function findAdCue(track, mediaTime) {
+ var cues = track.cues;
+
+ for (var i = 0; i < cues.length; i++) {
+ var cue = cues[i];
+
+ if (mediaTime >= cue.adStartTime && mediaTime <= cue.adEndTime) {
+ return cue;
+ }
+ }
+
+ return null;
+ };
+
+ var updateAdCues = function updateAdCues(media, track) {
+ var offset = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
+
+ if (!media.segments) {
+ return;
+ }
+
+ var mediaTime = offset;
+ var cue = void 0;
+
+ for (var i = 0; i < media.segments.length; i++) {
+ var segment = media.segments[i];
+
+ if (!cue) {
+ // Since the cues will span for at least the segment duration, adding a fudge
+ // factor of half segment duration will prevent duplicate cues from being
+ // created when timing info is not exact (e.g. cue start time initialized
+ // at 10.006677, but next call mediaTime is 10.003332 )
+ cue = findAdCue(track, mediaTime + segment.duration / 2);
+ }
+
+ if (cue) {
+ if ('cueIn' in segment) {
+ // Found a CUE-IN so end the cue
+ cue.endTime = mediaTime;
+ cue.adEndTime = mediaTime;
+ mediaTime += segment.duration;
+ cue = null;
+ continue;
+ }
+
+ if (mediaTime < cue.endTime) {
+ // Already processed this mediaTime for this cue
+ mediaTime += segment.duration;
+ continue;
+ } // otherwise extend cue until a CUE-IN is found
+
+
+ cue.endTime += segment.duration;
+ } else {
+ if ('cueOut' in segment) {
+ cue = new window$3.VTTCue(mediaTime, mediaTime + segment.duration, segment.cueOut);
+ cue.adStartTime = mediaTime; // Assumes tag format to be
+ // #EXT-X-CUE-OUT:30
+
+ cue.adEndTime = mediaTime + parseFloat(segment.cueOut);
+ track.addCue(cue);
+ }
+
+ if ('cueOutCont' in segment) {
+ // Entered into the middle of an ad cue
+ var adOffset = void 0;
+ var adTotal = void 0; // Assumes tag formate to be
+ // #EXT-X-CUE-OUT-CONT:10/30
+
+ var _segment$cueOutCont$s = segment.cueOutCont.split('/').map(parseFloat);
+
+ var _segment$cueOutCont$s2 = slicedToArray(_segment$cueOutCont$s, 2);
+
+ adOffset = _segment$cueOutCont$s2[0];
+ adTotal = _segment$cueOutCont$s2[1];
+ cue = new window$3.VTTCue(mediaTime, mediaTime + segment.duration, '');
+ cue.adStartTime = mediaTime - adOffset;
+ cue.adEndTime = cue.adStartTime + adTotal;
+ track.addCue(cue);
+ }
+ }
+
+ mediaTime += segment.duration;
+ }
+ };
+ /**
+ * @file sync-controller.js
+ */
+
+
+ var tsprobe = tsInspector.inspect;
+ var syncPointStrategies = [// Stategy "VOD": Handle the VOD-case where the sync-point is *always*
+ // the equivalence display-time 0 === segment-index 0
+ {
+ name: 'VOD',
+ run: function run(syncController, playlist, duration$$1, currentTimeline, currentTime) {
+ if (duration$$1 !== Infinity) {
+ var syncPoint = {
+ time: 0,
+ segmentIndex: 0
+ };
+ return syncPoint;
+ }
+
+ return null;
+ }
+ }, // Stategy "ProgramDateTime": We have a program-date-time tag in this playlist
+ {
+ name: 'ProgramDateTime',
+ run: function run(syncController, playlist, duration$$1, currentTimeline, currentTime) {
+ if (!syncController.datetimeToDisplayTime) {
+ return null;
+ }
+
+ var segments = playlist.segments || [];
+ var syncPoint = null;
+ var lastDistance = null;
+ currentTime = currentTime || 0;
+
+ for (var i = 0; i < segments.length; i++) {
+ var segment = segments[i];
+
+ if (segment.dateTimeObject) {
+ var segmentTime = segment.dateTimeObject.getTime() / 1000;
+ var segmentStart = segmentTime + syncController.datetimeToDisplayTime;
+ var distance = Math.abs(currentTime - segmentStart); // Once the distance begins to increase, or if distance is 0, we have passed
+ // currentTime and can stop looking for better candidates
+
+ if (lastDistance !== null && (distance === 0 || lastDistance < distance)) {
+ break;
+ }
+
+ lastDistance = distance;
+ syncPoint = {
+ time: segmentStart,
+ segmentIndex: i
+ };
+ }
+ }
+
+ return syncPoint;
+ }
+ }, // Stategy "Segment": We have a known time mapping for a timeline and a
+ // segment in the current timeline with timing data
+ {
+ name: 'Segment',
+ run: function run(syncController, playlist, duration$$1, currentTimeline, currentTime) {
+ var segments = playlist.segments || [];
+ var syncPoint = null;
+ var lastDistance = null;
+ currentTime = currentTime || 0;
+
+ for (var i = 0; i < segments.length; i++) {
+ var segment = segments[i];
+
+ if (segment.timeline === currentTimeline && typeof segment.start !== 'undefined') {
+ var distance = Math.abs(currentTime - segment.start); // Once the distance begins to increase, we have passed
+ // currentTime and can stop looking for better candidates
+
+ if (lastDistance !== null && lastDistance < distance) {
+ break;
+ }
+
+ if (!syncPoint || lastDistance === null || lastDistance >= distance) {
+ lastDistance = distance;
+ syncPoint = {
+ time: segment.start,
+ segmentIndex: i
+ };
+ }
+ }
+ }
+
+ return syncPoint;
+ }
+ }, // Stategy "Discontinuity": We have a discontinuity with a known
+ // display-time
+ {
+ name: 'Discontinuity',
+ run: function run(syncController, playlist, duration$$1, currentTimeline, currentTime) {
+ var syncPoint = null;
+ currentTime = currentTime || 0;
+
+ if (playlist.discontinuityStarts && playlist.discontinuityStarts.length) {
+ var lastDistance = null;
+
+ for (var i = 0; i < playlist.discontinuityStarts.length; i++) {
+ var segmentIndex = playlist.discontinuityStarts[i];
+ var discontinuity = playlist.discontinuitySequence + i + 1;
+ var discontinuitySync = syncController.discontinuities[discontinuity];
+
+ if (discontinuitySync) {
+ var distance = Math.abs(currentTime - discontinuitySync.time); // Once the distance begins to increase, we have passed
+ // currentTime and can stop looking for better candidates
+
+ if (lastDistance !== null && lastDistance < distance) {
+ break;
+ }
+
+ if (!syncPoint || lastDistance === null || lastDistance >= distance) {
+ lastDistance = distance;
+ syncPoint = {
+ time: discontinuitySync.time,
+ segmentIndex: segmentIndex
+ };
+ }
+ }
+ }
+ }
+
+ return syncPoint;
+ }
+ }, // Stategy "Playlist": We have a playlist with a known mapping of
+ // segment index to display time
+ {
+ name: 'Playlist',
+ run: function run(syncController, playlist, duration$$1, currentTimeline, currentTime) {
+ if (playlist.syncInfo) {
+ var syncPoint = {
+ time: playlist.syncInfo.time,
+ segmentIndex: playlist.syncInfo.mediaSequence - playlist.mediaSequence
+ };
+ return syncPoint;
+ }
+
+ return null;
+ }
+ }];
+
+ var SyncController = function (_videojs$EventTarget) {
+ inherits$2(SyncController, _videojs$EventTarget);
+
+ function SyncController() {
+ classCallCheck$1(this, SyncController); // Segment Loader state variables...
+ // ...for synching across variants
+
+ var _this = possibleConstructorReturn$1(this, (SyncController.__proto__ || Object.getPrototypeOf(SyncController)).call(this));
+
+ _this.inspectCache_ = undefined; // ...for synching across variants
+
+ _this.timelines = [];
+ _this.discontinuities = [];
+ _this.datetimeToDisplayTime = null;
+ _this.logger_ = logger('SyncController');
+ return _this;
+ }
+ /**
+ * Find a sync-point for the playlist specified
+ *
+ * A sync-point is defined as a known mapping from display-time to
+ * a segment-index in the current playlist.
+ *
+ * @param {Playlist} playlist
+ * The playlist that needs a sync-point
+ * @param {Number} duration
+ * Duration of the MediaSource (Infinite if playing a live source)
+ * @param {Number} currentTimeline
+ * The last timeline from which a segment was loaded
+ * @returns {Object}
+ * A sync-point object
+ */
+
+
+ createClass$1(SyncController, [{
+ key: 'getSyncPoint',
+ value: function getSyncPoint(playlist, duration$$1, currentTimeline, currentTime) {
+ var syncPoints = this.runStrategies_(playlist, duration$$1, currentTimeline, currentTime);
+
+ if (!syncPoints.length) {
+ // Signal that we need to attempt to get a sync-point manually
+ // by fetching a segment in the playlist and constructing
+ // a sync-point from that information
+ return null;
+ } // Now find the sync-point that is closest to the currentTime because
+ // that should result in the most accurate guess about which segment
+ // to fetch
+
+
+ return this.selectSyncPoint_(syncPoints, {
+ key: 'time',
+ value: currentTime
+ });
+ }
+ /**
+ * Calculate the amount of time that has expired off the playlist during playback
+ *
+ * @param {Playlist} playlist
+ * Playlist object to calculate expired from
+ * @param {Number} duration
+ * Duration of the MediaSource (Infinity if playling a live source)
+ * @returns {Number|null}
+ * The amount of time that has expired off the playlist during playback. Null
+ * if no sync-points for the playlist can be found.
+ */
+
+ }, {
+ key: 'getExpiredTime',
+ value: function getExpiredTime(playlist, duration$$1) {
+ if (!playlist || !playlist.segments) {
+ return null;
+ }
+
+ var syncPoints = this.runStrategies_(playlist, duration$$1, playlist.discontinuitySequence, 0); // Without sync-points, there is not enough information to determine the expired time
+
+ if (!syncPoints.length) {
+ return null;
+ }
+
+ var syncPoint = this.selectSyncPoint_(syncPoints, {
+ key: 'segmentIndex',
+ value: 0
+ }); // If the sync-point is beyond the start of the playlist, we want to subtract the
+ // duration from index 0 to syncPoint.segmentIndex instead of adding.
+
+ if (syncPoint.segmentIndex > 0) {
+ syncPoint.time *= -1;
+ }
+
+ return Math.abs(syncPoint.time + sumDurations(playlist, syncPoint.segmentIndex, 0));
+ }
+ /**
+ * Runs each sync-point strategy and returns a list of sync-points returned by the
+ * strategies
+ *
+ * @private
+ * @param {Playlist} playlist
+ * The playlist that needs a sync-point
+ * @param {Number} duration
+ * Duration of the MediaSource (Infinity if playing a live source)
+ * @param {Number} currentTimeline
+ * The last timeline from which a segment was loaded
+ * @returns {Array}
+ * A list of sync-point objects
+ */
+
+ }, {
+ key: 'runStrategies_',
+ value: function runStrategies_(playlist, duration$$1, currentTimeline, currentTime) {
+ var syncPoints = []; // Try to find a sync-point in by utilizing various strategies...
+
+ for (var i = 0; i < syncPointStrategies.length; i++) {
+ var strategy = syncPointStrategies[i];
+ var syncPoint = strategy.run(this, playlist, duration$$1, currentTimeline, currentTime);
+
+ if (syncPoint) {
+ syncPoint.strategy = strategy.name;
+ syncPoints.push({
+ strategy: strategy.name,
+ syncPoint: syncPoint
+ });
+ }
+ }
+
+ return syncPoints;
+ }
+ /**
+ * Selects the sync-point nearest the specified target
+ *
+ * @private
+ * @param {Array} syncPoints
+ * List of sync-points to select from
+ * @param {Object} target
+ * Object specifying the property and value we are targeting
+ * @param {String} target.key
+ * Specifies the property to target. Must be either 'time' or 'segmentIndex'
+ * @param {Number} target.value
+ * The value to target for the specified key.
+ * @returns {Object}
+ * The sync-point nearest the target
+ */
+
+ }, {
+ key: 'selectSyncPoint_',
+ value: function selectSyncPoint_(syncPoints, target) {
+ var bestSyncPoint = syncPoints[0].syncPoint;
+ var bestDistance = Math.abs(syncPoints[0].syncPoint[target.key] - target.value);
+ var bestStrategy = syncPoints[0].strategy;
+
+ for (var i = 1; i < syncPoints.length; i++) {
+ var newDistance = Math.abs(syncPoints[i].syncPoint[target.key] - target.value);
+
+ if (newDistance < bestDistance) {
+ bestDistance = newDistance;
+ bestSyncPoint = syncPoints[i].syncPoint;
+ bestStrategy = syncPoints[i].strategy;
+ }
+ }
+
+ this.logger_('syncPoint for [' + target.key + ': ' + target.value + '] chosen with strategy' + (' [' + bestStrategy + ']: [time:' + bestSyncPoint.time + ',') + (' segmentIndex:' + bestSyncPoint.segmentIndex + ']'));
+ return bestSyncPoint;
+ }
+ /**
+ * Save any meta-data present on the segments when segments leave
+ * the live window to the playlist to allow for synchronization at the
+ * playlist level later.
+ *
+ * @param {Playlist} oldPlaylist - The previous active playlist
+ * @param {Playlist} newPlaylist - The updated and most current playlist
+ */
+
+ }, {
+ key: 'saveExpiredSegmentInfo',
+ value: function saveExpiredSegmentInfo(oldPlaylist, newPlaylist) {
+ var mediaSequenceDiff = newPlaylist.mediaSequence - oldPlaylist.mediaSequence; // When a segment expires from the playlist and it has a start time
+ // save that information as a possible sync-point reference in future
+
+ for (var i = mediaSequenceDiff - 1; i >= 0; i--) {
+ var lastRemovedSegment = oldPlaylist.segments[i];
+
+ if (lastRemovedSegment && typeof lastRemovedSegment.start !== 'undefined') {
+ newPlaylist.syncInfo = {
+ mediaSequence: oldPlaylist.mediaSequence + i,
+ time: lastRemovedSegment.start
+ };
+ this.logger_('playlist refresh sync: [time:' + newPlaylist.syncInfo.time + ',' + (' mediaSequence: ' + newPlaylist.syncInfo.mediaSequence + ']'));
+ this.trigger('syncinfoupdate');
+ break;
+ }
+ }
+ }
+ /**
+ * Save the mapping from playlist's ProgramDateTime to display. This should
+ * only ever happen once at the start of playback.
+ *
+ * @param {Playlist} playlist - The currently active playlist
+ */
+
+ }, {
+ key: 'setDateTimeMapping',
+ value: function setDateTimeMapping(playlist) {
+ if (!this.datetimeToDisplayTime && playlist.segments && playlist.segments.length && playlist.segments[0].dateTimeObject) {
+ var playlistTimestamp = playlist.segments[0].dateTimeObject.getTime() / 1000;
+ this.datetimeToDisplayTime = -playlistTimestamp;
+ }
+ }
+ /**
+ * Reset the state of the inspection cache when we do a rendition
+ * switch
+ */
+
+ }, {
+ key: 'reset',
+ value: function reset() {
+ this.inspectCache_ = undefined;
+ }
+ /**
+ * Probe or inspect a fmp4 or an mpeg2-ts segment to determine the start
+ * and end of the segment in it's internal "media time". Used to generate
+ * mappings from that internal "media time" to the display time that is
+ * shown on the player.
+ *
+ * @param {SegmentInfo} segmentInfo - The current active request information
+ */
+
+ }, {
+ key: 'probeSegmentInfo',
+ value: function probeSegmentInfo(segmentInfo) {
+ var segment = segmentInfo.segment;
+ var playlist = segmentInfo.playlist;
+ var timingInfo = void 0;
+
+ if (segment.map) {
+ timingInfo = this.probeMp4Segment_(segmentInfo);
+ } else {
+ timingInfo = this.probeTsSegment_(segmentInfo);
+ }
+
+ if (timingInfo) {
+ if (this.calculateSegmentTimeMapping_(segmentInfo, timingInfo)) {
+ this.saveDiscontinuitySyncInfo_(segmentInfo); // If the playlist does not have sync information yet, record that information
+ // now with segment timing information
+
+ if (!playlist.syncInfo) {
+ playlist.syncInfo = {
+ mediaSequence: playlist.mediaSequence + segmentInfo.mediaIndex,
+ time: segment.start
+ };
+ }
+ }
+ }
+
+ return timingInfo;
+ }
+ /**
+ * Probe an fmp4 segment to determine the start of the segment
+ * in it's internal "composition time", which is equal to the base
+ * media decode time plus the composition time offset value
+ *
+ * @private
+ * @param {SegmentInfo} segmentInfo - The current active request information
+ * @return {object} The start and end time of the current segment in "composition time"
+ */
+
+ }, {
+ key: 'probeMp4Segment_',
+ value: function probeMp4Segment_(segmentInfo) {
+ var segment = segmentInfo.segment; // get timescales from init segment
+
+ var timescales = probe.timescale(segment.map.bytes); // calculate composition start time using the timescales and information
+ // contained within the media segment
+
+ var compositionStartTime = probe.compositionStartTime(timescales, segmentInfo.bytes);
+
+ if (segmentInfo.timestampOffset !== null) {
+ segmentInfo.timestampOffset -= compositionStartTime;
+ }
+
+ return {
+ start: compositionStartTime,
+ end: compositionStartTime + segment.duration
+ };
+ }
+ /**
+ * Probe an mpeg2-ts segment to determine the start and end of the segment
+ * in it's internal "media time".
+ *
+ * @private
+ * @param {SegmentInfo} segmentInfo - The current active request information
+ * @return {object} The start and end time of the current segment in "media time"
+ */
+
+ }, {
+ key: 'probeTsSegment_',
+ value: function probeTsSegment_(segmentInfo) {
+ var timeInfo = tsprobe(segmentInfo.bytes, this.inspectCache_);
+ var segmentStartTime = void 0;
+ var segmentEndTime = void 0;
+ var segmentTimestampInfo = void 0;
+
+ if (!timeInfo) {
+ return null;
+ }
+
+ if (timeInfo.video && timeInfo.video.length === 2) {
+ this.inspectCache_ = timeInfo.video[1].dts;
+ segmentStartTime = timeInfo.video[0].dtsTime;
+ segmentEndTime = timeInfo.video[1].dtsTime;
+ segmentTimestampInfo = timeInfo.video;
+ } else if (timeInfo.audio && timeInfo.audio.length === 2) {
+ this.inspectCache_ = timeInfo.audio[1].dts;
+ segmentStartTime = timeInfo.audio[0].dtsTime;
+ segmentEndTime = timeInfo.audio[1].dtsTime;
+ segmentTimestampInfo = timeInfo.audio;
+ }
+
+ var probedInfo = {
+ segmentTimestampInfo: segmentTimestampInfo,
+ start: segmentStartTime,
+ end: segmentEndTime,
+ containsVideo: timeInfo.video && timeInfo.video.length === 2,
+ containsAudio: timeInfo.audio && timeInfo.audio.length === 2
+ };
+ return probedInfo;
+ }
+ }, {
+ key: 'timestampOffsetForTimeline',
+ value: function timestampOffsetForTimeline(timeline) {
+ if (typeof this.timelines[timeline] === 'undefined') {
+ return null;
+ }
+
+ return this.timelines[timeline].time;
+ }
+ }, {
+ key: 'mappingForTimeline',
+ value: function mappingForTimeline(timeline) {
+ if (typeof this.timelines[timeline] === 'undefined') {
+ return null;
+ }
+
+ return this.timelines[timeline].mapping;
+ }
+ /**
+ * Use the "media time" for a segment to generate a mapping to "display time" and
+ * save that display time to the segment.
+ *
+ * @private
+ * @param {SegmentInfo} segmentInfo
+ * The current active request information
+ * @param {object} timingInfo
+ * The start and end time of the current segment in "media time"
+ * @returns {Boolean}
+ * Returns false if segment time mapping could not be calculated
+ */
+
+ }, {
+ key: 'calculateSegmentTimeMapping_',
+ value: function calculateSegmentTimeMapping_(segmentInfo, timingInfo) {
+ var segment = segmentInfo.segment;
+ var mappingObj = this.timelines[segmentInfo.timeline];
+
+ if (segmentInfo.timestampOffset !== null) {
+ mappingObj = {
+ time: segmentInfo.startOfSegment,
+ mapping: segmentInfo.startOfSegment - timingInfo.start
+ };
+ this.timelines[segmentInfo.timeline] = mappingObj;
+ this.trigger('timestampoffset');
+ this.logger_('time mapping for timeline ' + segmentInfo.timeline + ': ' + ('[time: ' + mappingObj.time + '] [mapping: ' + mappingObj.mapping + ']'));
+ segment.start = segmentInfo.startOfSegment;
+ segment.end = timingInfo.end + mappingObj.mapping;
+ } else if (mappingObj) {
+ segment.start = timingInfo.start + mappingObj.mapping;
+ segment.end = timingInfo.end + mappingObj.mapping;
+ } else {
+ return false;
+ }
+
+ return true;
+ }
+ /**
+ * Each time we have discontinuity in the playlist, attempt to calculate the location
+ * in display of the start of the discontinuity and save that. We also save an accuracy
+ * value so that we save values with the most accuracy (closest to 0.)
+ *
+ * @private
+ * @param {SegmentInfo} segmentInfo - The current active request information
+ */
+
+ }, {
+ key: 'saveDiscontinuitySyncInfo_',
+ value: function saveDiscontinuitySyncInfo_(segmentInfo) {
+ var playlist = segmentInfo.playlist;
+ var segment = segmentInfo.segment; // If the current segment is a discontinuity then we know exactly where
+ // the start of the range and it's accuracy is 0 (greater accuracy values
+ // mean more approximation)
+
+ if (segment.discontinuity) {
+ this.discontinuities[segment.timeline] = {
+ time: segment.start,
+ accuracy: 0
+ };
+ } else if (playlist.discontinuityStarts && playlist.discontinuityStarts.length) {
+ // Search for future discontinuities that we can provide better timing
+ // information for and save that information for sync purposes
+ for (var i = 0; i < playlist.discontinuityStarts.length; i++) {
+ var segmentIndex = playlist.discontinuityStarts[i];
+ var discontinuity = playlist.discontinuitySequence + i + 1;
+ var mediaIndexDiff = segmentIndex - segmentInfo.mediaIndex;
+ var accuracy = Math.abs(mediaIndexDiff);
+
+ if (!this.discontinuities[discontinuity] || this.discontinuities[discontinuity].accuracy > accuracy) {
+ var time = void 0;
+
+ if (mediaIndexDiff < 0) {
+ time = segment.start - sumDurations(playlist, segmentInfo.mediaIndex, segmentIndex);
+ } else {
+ time = segment.end + sumDurations(playlist, segmentInfo.mediaIndex + 1, segmentIndex);
+ }
+
+ this.discontinuities[discontinuity] = {
+ time: time,
+ accuracy: accuracy
+ };
+ }
+ }
+ }
+ }
+ }, {
+ key: 'dispose',
+ value: function dispose() {
+ this.trigger('dispose');
+ this.off();
+ }
+ }]);
+ return SyncController;
+ }(videojs$1.EventTarget);
+
+ var Decrypter$1 = new shimWorker("./decrypter-worker.worker.js", function (window, document$$1) {
+ var self = this;
+
+ var decrypterWorker = function () {
+ /*
+ * pkcs7.pad
+ * https://github.com/brightcove/pkcs7
+ *
+ * Copyright (c) 2014 Brightcove
+ * Licensed under the apache2 license.
+ */
+
+ /**
+ * Returns the subarray of a Uint8Array without PKCS#7 padding.
+ * @param padded {Uint8Array} unencrypted bytes that have been padded
+ * @return {Uint8Array} the unpadded bytes
+ * @see http://tools.ietf.org/html/rfc5652
+ */
+ function unpad(padded) {
+ return padded.subarray(0, padded.byteLength - padded[padded.byteLength - 1]);
+ }
+
+ var classCallCheck = function classCallCheck(instance, Constructor) {
+ if (!(instance instanceof Constructor)) {
+ throw new TypeError("Cannot call a class as a function");
+ }
+ };
+
+ var createClass = function () {
+ function defineProperties(target, props) {
+ for (var i = 0; i < props.length; i++) {
+ var descriptor = props[i];
+ descriptor.enumerable = descriptor.enumerable || false;
+ descriptor.configurable = true;
+ if ("value" in descriptor) descriptor.writable = true;
+ Object.defineProperty(target, descriptor.key, descriptor);
+ }
+ }
+
+ return function (Constructor, protoProps, staticProps) {
+ if (protoProps) defineProperties(Constructor.prototype, protoProps);
+ if (staticProps) defineProperties(Constructor, staticProps);
+ return Constructor;
+ };
+ }();
+
+ var inherits = function inherits(subClass, superClass) {
+ if (typeof superClass !== "function" && superClass !== null) {
+ throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
+ }
+
+ subClass.prototype = Object.create(superClass && superClass.prototype, {
+ constructor: {
+ value: subClass,
+ enumerable: false,
+ writable: true,
+ configurable: true
+ }
+ });
+ if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
+ };
+
+ var possibleConstructorReturn = function possibleConstructorReturn(self, call) {
+ if (!self) {
+ throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
+ }
+
+ return call && (typeof call === "object" || typeof call === "function") ? call : self;
+ };
+ /**
+ * @file aes.js
+ *
+ * This file contains an adaptation of the AES decryption algorithm
+ * from the Standford Javascript Cryptography Library. That work is
+ * covered by the following copyright and permissions notice:
+ *
+ * Copyright 2009-2010 Emily Stark, Mike Hamburg, Dan Boneh.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation
+ * are those of the authors and should not be interpreted as representing
+ * official policies, either expressed or implied, of the authors.
+ */
+
+ /**
+ * Expand the S-box tables.
+ *
+ * @private
+ */
+
+
+ var precompute = function precompute() {
+ var tables = [[[], [], [], [], []], [[], [], [], [], []]];
+ var encTable = tables[0];
+ var decTable = tables[1];
+ var sbox = encTable[4];
+ var sboxInv = decTable[4];
+ var i = void 0;
+ var x = void 0;
+ var xInv = void 0;
+ var d = [];
+ var th = [];
+ var x2 = void 0;
+ var x4 = void 0;
+ var x8 = void 0;
+ var s = void 0;
+ var tEnc = void 0;
+ var tDec = void 0; // Compute double and third tables
+
+ for (i = 0; i < 256; i++) {
+ th[(d[i] = i << 1 ^ (i >> 7) * 283) ^ i] = i;
+ }
+
+ for (x = xInv = 0; !sbox[x]; x ^= x2 || 1, xInv = th[xInv] || 1) {
+ // Compute sbox
+ s = xInv ^ xInv << 1 ^ xInv << 2 ^ xInv << 3 ^ xInv << 4;
+ s = s >> 8 ^ s & 255 ^ 99;
+ sbox[x] = s;
+ sboxInv[s] = x; // Compute MixColumns
+
+ x8 = d[x4 = d[x2 = d[x]]];
+ tDec = x8 * 0x1010101 ^ x4 * 0x10001 ^ x2 * 0x101 ^ x * 0x1010100;
+ tEnc = d[s] * 0x101 ^ s * 0x1010100;
+
+ for (i = 0; i < 4; i++) {
+ encTable[i][x] = tEnc = tEnc << 24 ^ tEnc >>> 8;
+ decTable[i][s] = tDec = tDec << 24 ^ tDec >>> 8;
+ }
+ } // Compactify. Considerable speedup on Firefox.
+
+
+ for (i = 0; i < 5; i++) {
+ encTable[i] = encTable[i].slice(0);
+ decTable[i] = decTable[i].slice(0);
+ }
+
+ return tables;
+ };
+
+ var aesTables = null;
+ /**
+ * Schedule out an AES key for both encryption and decryption. This
+ * is a low-level class. Use a cipher mode to do bulk encryption.
+ *
+ * @class AES
+ * @param key {Array} The key as an array of 4, 6 or 8 words.
+ */
+
+ var AES = function () {
+ function AES(key) {
+ classCallCheck(this, AES);
+ /**
+ * The expanded S-box and inverse S-box tables. These will be computed
+ * on the client so that we don't have to send them down the wire.
+ *
+ * There are two tables, _tables[0] is for encryption and
+ * _tables[1] is for decryption.
+ *
+ * The first 4 sub-tables are the expanded S-box with MixColumns. The
+ * last (_tables[01][4]) is the S-box itself.
+ *
+ * @private
+ */
+ // if we have yet to precompute the S-box tables
+ // do so now
+
+ if (!aesTables) {
+ aesTables = precompute();
+ } // then make a copy of that object for use
+
+
+ this._tables = [[aesTables[0][0].slice(), aesTables[0][1].slice(), aesTables[0][2].slice(), aesTables[0][3].slice(), aesTables[0][4].slice()], [aesTables[1][0].slice(), aesTables[1][1].slice(), aesTables[1][2].slice(), aesTables[1][3].slice(), aesTables[1][4].slice()]];
+ var i = void 0;
+ var j = void 0;
+ var tmp = void 0;
+ var encKey = void 0;
+ var decKey = void 0;
+ var sbox = this._tables[0][4];
+ var decTable = this._tables[1];
+ var keyLen = key.length;
+ var rcon = 1;
+
+ if (keyLen !== 4 && keyLen !== 6 && keyLen !== 8) {
+ throw new Error('Invalid aes key size');
+ }
+
+ encKey = key.slice(0);
+ decKey = [];
+ this._key = [encKey, decKey]; // schedule encryption keys
+
+ for (i = keyLen; i < 4 * keyLen + 28; i++) {
+ tmp = encKey[i - 1]; // apply sbox
+
+ if (i % keyLen === 0 || keyLen === 8 && i % keyLen === 4) {
+ tmp = sbox[tmp >>> 24] << 24 ^ sbox[tmp >> 16 & 255] << 16 ^ sbox[tmp >> 8 & 255] << 8 ^ sbox[tmp & 255]; // shift rows and add rcon
+
+ if (i % keyLen === 0) {
+ tmp = tmp << 8 ^ tmp >>> 24 ^ rcon << 24;
+ rcon = rcon << 1 ^ (rcon >> 7) * 283;
+ }
+ }
+
+ encKey[i] = encKey[i - keyLen] ^ tmp;
+ } // schedule decryption keys
+
+
+ for (j = 0; i; j++, i--) {
+ tmp = encKey[j & 3 ? i : i - 4];
+
+ if (i <= 4 || j < 4) {
+ decKey[j] = tmp;
+ } else {
+ decKey[j] = decTable[0][sbox[tmp >>> 24]] ^ decTable[1][sbox[tmp >> 16 & 255]] ^ decTable[2][sbox[tmp >> 8 & 255]] ^ decTable[3][sbox[tmp & 255]];
+ }
+ }
+ }
+ /**
+ * Decrypt 16 bytes, specified as four 32-bit words.
+ *
+ * @param {Number} encrypted0 the first word to decrypt
+ * @param {Number} encrypted1 the second word to decrypt
+ * @param {Number} encrypted2 the third word to decrypt
+ * @param {Number} encrypted3 the fourth word to decrypt
+ * @param {Int32Array} out the array to write the decrypted words
+ * into
+ * @param {Number} offset the offset into the output array to start
+ * writing results
+ * @return {Array} The plaintext.
+ */
+
+
+ AES.prototype.decrypt = function decrypt$$1(encrypted0, encrypted1, encrypted2, encrypted3, out, offset) {
+ var key = this._key[1]; // state variables a,b,c,d are loaded with pre-whitened data
+
+ var a = encrypted0 ^ key[0];
+ var b = encrypted3 ^ key[1];
+ var c = encrypted2 ^ key[2];
+ var d = encrypted1 ^ key[3];
+ var a2 = void 0;
+ var b2 = void 0;
+ var c2 = void 0; // key.length === 2 ?
+
+ var nInnerRounds = key.length / 4 - 2;
+ var i = void 0;
+ var kIndex = 4;
+ var table = this._tables[1]; // load up the tables
+
+ var table0 = table[0];
+ var table1 = table[1];
+ var table2 = table[2];
+ var table3 = table[3];
+ var sbox = table[4]; // Inner rounds. Cribbed from OpenSSL.
+
+ for (i = 0; i < nInnerRounds; i++) {
+ a2 = table0[a >>> 24] ^ table1[b >> 16 & 255] ^ table2[c >> 8 & 255] ^ table3[d & 255] ^ key[kIndex];
+ b2 = table0[b >>> 24] ^ table1[c >> 16 & 255] ^ table2[d >> 8 & 255] ^ table3[a & 255] ^ key[kIndex + 1];
+ c2 = table0[c >>> 24] ^ table1[d >> 16 & 255] ^ table2[a >> 8 & 255] ^ table3[b & 255] ^ key[kIndex + 2];
+ d = table0[d >>> 24] ^ table1[a >> 16 & 255] ^ table2[b >> 8 & 255] ^ table3[c & 255] ^ key[kIndex + 3];
+ kIndex += 4;
+ a = a2;
+ b = b2;
+ c = c2;
+ } // Last round.
+
+
+ for (i = 0; i < 4; i++) {
+ out[(3 & -i) + offset] = sbox[a >>> 24] << 24 ^ sbox[b >> 16 & 255] << 16 ^ sbox[c >> 8 & 255] << 8 ^ sbox[d & 255] ^ key[kIndex++];
+ a2 = a;
+ a = b;
+ b = c;
+ c = d;
+ d = a2;
+ }
+ };
+
+ return AES;
+ }();
+ /**
+ * @file stream.js
+ */
+
+ /**
+ * A lightweight readable stream implemention that handles event dispatching.
+ *
+ * @class Stream
+ */
+
+
+ var Stream = function () {
+ function Stream() {
+ classCallCheck(this, Stream);
+ this.listeners = {};
+ }
+ /**
+ * Add a listener for a specified event type.
+ *
+ * @param {String} type the event name
+ * @param {Function} listener the callback to be invoked when an event of
+ * the specified type occurs
+ */
+
+
+ Stream.prototype.on = function on(type, listener) {
+ if (!this.listeners[type]) {
+ this.listeners[type] = [];
+ }
+
+ this.listeners[type].push(listener);
+ };
+ /**
+ * Remove a listener for a specified event type.
+ *
+ * @param {String} type the event name
+ * @param {Function} listener a function previously registered for this
+ * type of event through `on`
+ * @return {Boolean} if we could turn it off or not
+ */
+
+
+ Stream.prototype.off = function off(type, listener) {
+ if (!this.listeners[type]) {
+ return false;
+ }
+
+ var index = this.listeners[type].indexOf(listener);
+ this.listeners[type].splice(index, 1);
+ return index > -1;
+ };
+ /**
+ * Trigger an event of the specified type on this stream. Any additional
+ * arguments to this function are passed as parameters to event listeners.
+ *
+ * @param {String} type the event name
+ */
+
+
+ Stream.prototype.trigger = function trigger(type) {
+ var callbacks = this.listeners[type];
+
+ if (!callbacks) {
+ return;
+ } // Slicing the arguments on every invocation of this method
+ // can add a significant amount of overhead. Avoid the
+ // intermediate object creation for the common case of a
+ // single callback argument
+
+
+ if (arguments.length === 2) {
+ var length = callbacks.length;
+
+ for (var i = 0; i < length; ++i) {
+ callbacks[i].call(this, arguments[1]);
+ }
+ } else {
+ var args = Array.prototype.slice.call(arguments, 1);
+ var _length = callbacks.length;
+
+ for (var _i = 0; _i < _length; ++_i) {
+ callbacks[_i].apply(this, args);
+ }
+ }
+ };
+ /**
+ * Destroys the stream and cleans up.
+ */
+
+
+ Stream.prototype.dispose = function dispose() {
+ this.listeners = {};
+ };
+ /**
+ * Forwards all `data` events on this stream to the destination stream. The
+ * destination stream should provide a method `push` to receive the data
+ * events as they arrive.
+ *
+ * @param {Stream} destination the stream that will receive all `data` events
+ * @see http://nodejs.org/api/stream.html#stream_readable_pipe_destination_options
+ */
+
+
+ Stream.prototype.pipe = function pipe(destination) {
+ this.on('data', function (data) {
+ destination.push(data);
+ });
+ };
+
+ return Stream;
+ }();
+ /**
+ * @file async-stream.js
+ */
+
+ /**
+ * A wrapper around the Stream class to use setTiemout
+ * and run stream "jobs" Asynchronously
+ *
+ * @class AsyncStream
+ * @extends Stream
+ */
+
+
+ var AsyncStream$$1 = function (_Stream) {
+ inherits(AsyncStream$$1, _Stream);
+
+ function AsyncStream$$1() {
+ classCallCheck(this, AsyncStream$$1);
+
+ var _this = possibleConstructorReturn(this, _Stream.call(this, Stream));
+
+ _this.jobs = [];
+ _this.delay = 1;
+ _this.timeout_ = null;
+ return _this;
+ }
+ /**
+ * process an async job
+ *
+ * @private
+ */
+
+
+ AsyncStream$$1.prototype.processJob_ = function processJob_() {
+ this.jobs.shift()();
+
+ if (this.jobs.length) {
+ this.timeout_ = setTimeout(this.processJob_.bind(this), this.delay);
+ } else {
+ this.timeout_ = null;
+ }
+ };
+ /**
+ * push a job into the stream
+ *
+ * @param {Function} job the job to push into the stream
+ */
+
+
+ AsyncStream$$1.prototype.push = function push(job) {
+ this.jobs.push(job);
+
+ if (!this.timeout_) {
+ this.timeout_ = setTimeout(this.processJob_.bind(this), this.delay);
+ }
+ };
+
+ return AsyncStream$$1;
+ }(Stream);
+ /**
+ * @file decrypter.js
+ *
+ * An asynchronous implementation of AES-128 CBC decryption with
+ * PKCS#7 padding.
+ */
+
+ /**
+ * Convert network-order (big-endian) bytes into their little-endian
+ * representation.
+ */
+
+
+ var ntoh = function ntoh(word) {
+ return word << 24 | (word & 0xff00) << 8 | (word & 0xff0000) >> 8 | word >>> 24;
+ };
+ /**
+ * Decrypt bytes using AES-128 with CBC and PKCS#7 padding.
+ *
+ * @param {Uint8Array} encrypted the encrypted bytes
+ * @param {Uint32Array} key the bytes of the decryption key
+ * @param {Uint32Array} initVector the initialization vector (IV) to
+ * use for the first round of CBC.
+ * @return {Uint8Array} the decrypted bytes
+ *
+ * @see http://en.wikipedia.org/wiki/Advanced_Encryption_Standard
+ * @see http://en.wikipedia.org/wiki/Block_cipher_mode_of_operation#Cipher_Block_Chaining_.28CBC.29
+ * @see https://tools.ietf.org/html/rfc2315
+ */
+
+
+ var decrypt$$1 = function decrypt$$1(encrypted, key, initVector) {
+ // word-level access to the encrypted bytes
+ var encrypted32 = new Int32Array(encrypted.buffer, encrypted.byteOffset, encrypted.byteLength >> 2);
+ var decipher = new AES(Array.prototype.slice.call(key)); // byte and word-level access for the decrypted output
+
+ var decrypted = new Uint8Array(encrypted.byteLength);
+ var decrypted32 = new Int32Array(decrypted.buffer); // temporary variables for working with the IV, encrypted, and
+ // decrypted data
+
+ var init0 = void 0;
+ var init1 = void 0;
+ var init2 = void 0;
+ var init3 = void 0;
+ var encrypted0 = void 0;
+ var encrypted1 = void 0;
+ var encrypted2 = void 0;
+ var encrypted3 = void 0; // iteration variable
+
+ var wordIx = void 0; // pull out the words of the IV to ensure we don't modify the
+ // passed-in reference and easier access
+
+ init0 = initVector[0];
+ init1 = initVector[1];
+ init2 = initVector[2];
+ init3 = initVector[3]; // decrypt four word sequences, applying cipher-block chaining (CBC)
+ // to each decrypted block
+
+ for (wordIx = 0; wordIx < encrypted32.length; wordIx += 4) {
+ // convert big-endian (network order) words into little-endian
+ // (javascript order)
+ encrypted0 = ntoh(encrypted32[wordIx]);
+ encrypted1 = ntoh(encrypted32[wordIx + 1]);
+ encrypted2 = ntoh(encrypted32[wordIx + 2]);
+ encrypted3 = ntoh(encrypted32[wordIx + 3]); // decrypt the block
+
+ decipher.decrypt(encrypted0, encrypted1, encrypted2, encrypted3, decrypted32, wordIx); // XOR with the IV, and restore network byte-order to obtain the
+ // plaintext
+
+ decrypted32[wordIx] = ntoh(decrypted32[wordIx] ^ init0);
+ decrypted32[wordIx + 1] = ntoh(decrypted32[wordIx + 1] ^ init1);
+ decrypted32[wordIx + 2] = ntoh(decrypted32[wordIx + 2] ^ init2);
+ decrypted32[wordIx + 3] = ntoh(decrypted32[wordIx + 3] ^ init3); // setup the IV for the next round
+
+ init0 = encrypted0;
+ init1 = encrypted1;
+ init2 = encrypted2;
+ init3 = encrypted3;
+ }
+
+ return decrypted;
+ };
+ /**
+ * The `Decrypter` class that manages decryption of AES
+ * data through `AsyncStream` objects and the `decrypt`
+ * function
+ *
+ * @param {Uint8Array} encrypted the encrypted bytes
+ * @param {Uint32Array} key the bytes of the decryption key
+ * @param {Uint32Array} initVector the initialization vector (IV) to
+ * @param {Function} done the function to run when done
+ * @class Decrypter
+ */
+
+
+ var Decrypter$$1 = function () {
+ function Decrypter$$1(encrypted, key, initVector, done) {
+ classCallCheck(this, Decrypter$$1);
+ var step = Decrypter$$1.STEP;
+ var encrypted32 = new Int32Array(encrypted.buffer);
+ var decrypted = new Uint8Array(encrypted.byteLength);
+ var i = 0;
+ this.asyncStream_ = new AsyncStream$$1(); // split up the encryption job and do the individual chunks asynchronously
+
+ this.asyncStream_.push(this.decryptChunk_(encrypted32.subarray(i, i + step), key, initVector, decrypted));
+
+ for (i = step; i < encrypted32.length; i += step) {
+ initVector = new Uint32Array([ntoh(encrypted32[i - 4]), ntoh(encrypted32[i - 3]), ntoh(encrypted32[i - 2]), ntoh(encrypted32[i - 1])]);
+ this.asyncStream_.push(this.decryptChunk_(encrypted32.subarray(i, i + step), key, initVector, decrypted));
+ } // invoke the done() callback when everything is finished
+
+
+ this.asyncStream_.push(function () {
+ // remove pkcs#7 padding from the decrypted bytes
+ done(null, unpad(decrypted));
+ });
+ }
+ /**
+ * a getter for step the maximum number of bytes to process at one time
+ *
+ * @return {Number} the value of step 32000
+ */
+
+ /**
+ * @private
+ */
+
+
+ Decrypter$$1.prototype.decryptChunk_ = function decryptChunk_(encrypted, key, initVector, decrypted) {
+ return function () {
+ var bytes = decrypt$$1(encrypted, key, initVector);
+ decrypted.set(bytes, encrypted.byteOffset);
+ };
+ };
+
+ createClass(Decrypter$$1, null, [{
+ key: 'STEP',
+ get: function get$$1() {
+ // 4 * 8000;
+ return 32000;
+ }
+ }]);
+ return Decrypter$$1;
+ }();
+ /**
+ * @file bin-utils.js
+ */
+
+ /**
+ * Creates an object for sending to a web worker modifying properties that are TypedArrays
+ * into a new object with seperated properties for the buffer, byteOffset, and byteLength.
+ *
+ * @param {Object} message
+ * Object of properties and values to send to the web worker
+ * @return {Object}
+ * Modified message with TypedArray values expanded
+ * @function createTransferableMessage
+ */
+
+
+ var createTransferableMessage = function createTransferableMessage(message) {
+ var transferable = {};
+ Object.keys(message).forEach(function (key) {
+ var value = message[key];
+
+ if (ArrayBuffer.isView(value)) {
+ transferable[key] = {
+ bytes: value.buffer,
+ byteOffset: value.byteOffset,
+ byteLength: value.byteLength
+ };
+ } else {
+ transferable[key] = value;
+ }
+ });
+ return transferable;
+ };
+ /**
+ * Our web worker interface so that things can talk to aes-decrypter
+ * that will be running in a web worker. the scope is passed to this by
+ * webworkify.
+ *
+ * @param {Object} self
+ * the scope for the web worker
+ */
+
+
+ var DecrypterWorker = function DecrypterWorker(self) {
+ self.onmessage = function (event) {
+ var data = event.data;
+ var encrypted = new Uint8Array(data.encrypted.bytes, data.encrypted.byteOffset, data.encrypted.byteLength);
+ var key = new Uint32Array(data.key.bytes, data.key.byteOffset, data.key.byteLength / 4);
+ var iv = new Uint32Array(data.iv.bytes, data.iv.byteOffset, data.iv.byteLength / 4);
+ /* eslint-disable no-new, handle-callback-err */
+
+ new Decrypter$$1(encrypted, key, iv, function (err, bytes) {
+ self.postMessage(createTransferableMessage({
+ source: data.source,
+ decrypted: bytes
+ }), [bytes.buffer]);
+ });
+ /* eslint-enable */
+ };
+ };
+
+ var decrypterWorker = new DecrypterWorker(self);
+ return decrypterWorker;
+ }();
+ });
+ /**
+ * Convert the properties of an HLS track into an audioTrackKind.
+ *
+ * @private
+ */
+
+ var audioTrackKind_ = function audioTrackKind_(properties) {
+ var kind = properties["default"] ? 'main' : 'alternative';
+
+ if (properties.characteristics && properties.characteristics.indexOf('public.accessibility.describes-video') >= 0) {
+ kind = 'main-desc';
+ }
+
+ return kind;
+ };
+ /**
+ * Pause provided segment loader and playlist loader if active
+ *
+ * @param {SegmentLoader} segmentLoader
+ * SegmentLoader to pause
+ * @param {Object} mediaType
+ * Active media type
+ * @function stopLoaders
+ */
+
+
+ var stopLoaders = function stopLoaders(segmentLoader, mediaType) {
+ segmentLoader.abort();
+ segmentLoader.pause();
+
+ if (mediaType && mediaType.activePlaylistLoader) {
+ mediaType.activePlaylistLoader.pause();
+ mediaType.activePlaylistLoader = null;
+ }
+ };
+ /**
+ * Start loading provided segment loader and playlist loader
+ *
+ * @param {PlaylistLoader} playlistLoader
+ * PlaylistLoader to start loading
+ * @param {Object} mediaType
+ * Active media type
+ * @function startLoaders
+ */
+
+
+ var startLoaders = function startLoaders(playlistLoader, mediaType) {
+ // Segment loader will be started after `loadedmetadata` or `loadedplaylist` from the
+ // playlist loader
+ mediaType.activePlaylistLoader = playlistLoader;
+ playlistLoader.load();
+ };
+ /**
+ * Returns a function to be called when the media group changes. It performs a
+ * non-destructive (preserve the buffer) resync of the SegmentLoader. This is because a
+ * change of group is merely a rendition switch of the same content at another encoding,
+ * rather than a change of content, such as switching audio from English to Spanish.
+ *
+ * @param {String} type
+ * MediaGroup type
+ * @param {Object} settings
+ * Object containing required information for media groups
+ * @return {Function}
+ * Handler for a non-destructive resync of SegmentLoader when the active media
+ * group changes.
+ * @function onGroupChanged
+ */
+
+
+ var onGroupChanged = function onGroupChanged(type, settings) {
+ return function () {
+ var _settings$segmentLoad = settings.segmentLoaders,
+ segmentLoader = _settings$segmentLoad[type],
+ mainSegmentLoader = _settings$segmentLoad.main,
+ mediaType = settings.mediaTypes[type];
+ var activeTrack = mediaType.activeTrack();
+ var activeGroup = mediaType.activeGroup(activeTrack);
+ var previousActiveLoader = mediaType.activePlaylistLoader;
+ stopLoaders(segmentLoader, mediaType);
+
+ if (!activeGroup) {
+ // there is no group active
+ return;
+ }
+
+ if (!activeGroup.playlistLoader) {
+ if (previousActiveLoader) {
+ // The previous group had a playlist loader but the new active group does not
+ // this means we are switching from demuxed to muxed audio. In this case we want to
+ // do a destructive reset of the main segment loader and not restart the audio
+ // loaders.
+ mainSegmentLoader.resetEverything();
+ }
+
+ return;
+ } // Non-destructive resync
+
+
+ segmentLoader.resyncLoader();
+ startLoaders(activeGroup.playlistLoader, mediaType);
+ };
+ };
+ /**
+ * Returns a function to be called when the media track changes. It performs a
+ * destructive reset of the SegmentLoader to ensure we start loading as close to
+ * currentTime as possible.
+ *
+ * @param {String} type
+ * MediaGroup type
+ * @param {Object} settings
+ * Object containing required information for media groups
+ * @return {Function}
+ * Handler for a destructive reset of SegmentLoader when the active media
+ * track changes.
+ * @function onTrackChanged
+ */
+
+
+ var onTrackChanged = function onTrackChanged(type, settings) {
+ return function () {
+ var _settings$segmentLoad2 = settings.segmentLoaders,
+ segmentLoader = _settings$segmentLoad2[type],
+ mainSegmentLoader = _settings$segmentLoad2.main,
+ mediaType = settings.mediaTypes[type];
+ var activeTrack = mediaType.activeTrack();
+ var activeGroup = mediaType.activeGroup(activeTrack);
+ var previousActiveLoader = mediaType.activePlaylistLoader;
+ stopLoaders(segmentLoader, mediaType);
+
+ if (!activeGroup) {
+ // there is no group active so we do not want to restart loaders
+ return;
+ }
+
+ if (!activeGroup.playlistLoader) {
+ // when switching from demuxed audio/video to muxed audio/video (noted by no playlist
+ // loader for the audio group), we want to do a destructive reset of the main segment
+ // loader and not restart the audio loaders
+ mainSegmentLoader.resetEverything();
+ return;
+ }
+
+ if (previousActiveLoader === activeGroup.playlistLoader) {
+ // Nothing has actually changed. This can happen because track change events can fire
+ // multiple times for a "single" change. One for enabling the new active track, and
+ // one for disabling the track that was active
+ startLoaders(activeGroup.playlistLoader, mediaType);
+ return;
+ }
+
+ if (segmentLoader.track) {
+ // For WebVTT, set the new text track in the segmentloader
+ segmentLoader.track(activeTrack);
+ } // destructive reset
+
+
+ segmentLoader.resetEverything();
+ startLoaders(activeGroup.playlistLoader, mediaType);
+ };
+ };
+
+ var onError = {
+ /**
+ * Returns a function to be called when a SegmentLoader or PlaylistLoader encounters
+ * an error.
+ *
+ * @param {String} type
+ * MediaGroup type
+ * @param {Object} settings
+ * Object containing required information for media groups
+ * @return {Function}
+ * Error handler. Logs warning (or error if the playlist is blacklisted) to
+ * console and switches back to default audio track.
+ * @function onError.AUDIO
+ */
+ AUDIO: function AUDIO(type, settings) {
+ return function () {
+ var segmentLoader = settings.segmentLoaders[type],
+ mediaType = settings.mediaTypes[type],
+ blacklistCurrentPlaylist = settings.blacklistCurrentPlaylist;
+ stopLoaders(segmentLoader, mediaType); // switch back to default audio track
+
+ var activeTrack = mediaType.activeTrack();
+ var activeGroup = mediaType.activeGroup();
+ var id = (activeGroup.filter(function (group) {
+ return group["default"];
+ })[0] || activeGroup[0]).id;
+ var defaultTrack = mediaType.tracks[id];
+
+ if (activeTrack === defaultTrack) {
+ // Default track encountered an error. All we can do now is blacklist the current
+ // rendition and hope another will switch audio groups
+ blacklistCurrentPlaylist({
+ message: 'Problem encountered loading the default audio track.'
+ });
+ return;
+ }
+
+ videojs$1.log.warn('Problem encountered loading the alternate audio track.' + 'Switching back to default.');
+
+ for (var trackId in mediaType.tracks) {
+ mediaType.tracks[trackId].enabled = mediaType.tracks[trackId] === defaultTrack;
+ }
+
+ mediaType.onTrackChanged();
+ };
+ },
+
+ /**
+ * Returns a function to be called when a SegmentLoader or PlaylistLoader encounters
+ * an error.
+ *
+ * @param {String} type
+ * MediaGroup type
+ * @param {Object} settings
+ * Object containing required information for media groups
+ * @return {Function}
+ * Error handler. Logs warning to console and disables the active subtitle track
+ * @function onError.SUBTITLES
+ */
+ SUBTITLES: function SUBTITLES(type, settings) {
+ return function () {
+ var segmentLoader = settings.segmentLoaders[type],
+ mediaType = settings.mediaTypes[type];
+ videojs$1.log.warn('Problem encountered loading the subtitle track.' + 'Disabling subtitle track.');
+ stopLoaders(segmentLoader, mediaType);
+ var track = mediaType.activeTrack();
+
+ if (track) {
+ track.mode = 'disabled';
+ }
+
+ mediaType.onTrackChanged();
+ };
+ }
+ };
+ var setupListeners = {
+ /**
+ * Setup event listeners for audio playlist loader
+ *
+ * @param {String} type
+ * MediaGroup type
+ * @param {PlaylistLoader|null} playlistLoader
+ * PlaylistLoader to register listeners on
+ * @param {Object} settings
+ * Object containing required information for media groups
+ * @function setupListeners.AUDIO
+ */
+ AUDIO: function AUDIO(type, playlistLoader, settings) {
+ if (!playlistLoader) {
+ // no playlist loader means audio will be muxed with the video
+ return;
+ }
+
+ var tech = settings.tech,
+ requestOptions = settings.requestOptions,
+ segmentLoader = settings.segmentLoaders[type];
+ playlistLoader.on('loadedmetadata', function () {
+ var media = playlistLoader.media();
+ segmentLoader.playlist(media, requestOptions); // if the video is already playing, or if this isn't a live video and preload
+ // permits, start downloading segments
+
+ if (!tech.paused() || media.endList && tech.preload() !== 'none') {
+ segmentLoader.load();
+ }
+ });
+ playlistLoader.on('loadedplaylist', function () {
+ segmentLoader.playlist(playlistLoader.media(), requestOptions); // If the player isn't paused, ensure that the segment loader is running
+
+ if (!tech.paused()) {
+ segmentLoader.load();
+ }
+ });
+ playlistLoader.on('error', onError[type](type, settings));
+ },
+
+ /**
+ * Setup event listeners for subtitle playlist loader
+ *
+ * @param {String} type
+ * MediaGroup type
+ * @param {PlaylistLoader|null} playlistLoader
+ * PlaylistLoader to register listeners on
+ * @param {Object} settings
+ * Object containing required information for media groups
+ * @function setupListeners.SUBTITLES
+ */
+ SUBTITLES: function SUBTITLES(type, playlistLoader, settings) {
+ var tech = settings.tech,
+ requestOptions = settings.requestOptions,
+ segmentLoader = settings.segmentLoaders[type],
+ mediaType = settings.mediaTypes[type];
+ playlistLoader.on('loadedmetadata', function () {
+ var media = playlistLoader.media();
+ segmentLoader.playlist(media, requestOptions);
+ segmentLoader.track(mediaType.activeTrack()); // if the video is already playing, or if this isn't a live video and preload
+ // permits, start downloading segments
+
+ if (!tech.paused() || media.endList && tech.preload() !== 'none') {
+ segmentLoader.load();
+ }
+ });
+ playlistLoader.on('loadedplaylist', function () {
+ segmentLoader.playlist(playlistLoader.media(), requestOptions); // If the player isn't paused, ensure that the segment loader is running
+
+ if (!tech.paused()) {
+ segmentLoader.load();
+ }
+ });
+ playlistLoader.on('error', onError[type](type, settings));
+ }
+ };
+ var initialize = {
+ /**
+ * Setup PlaylistLoaders and AudioTracks for the audio groups
+ *
+ * @param {String} type
+ * MediaGroup type
+ * @param {Object} settings
+ * Object containing required information for media groups
+ * @function initialize.AUDIO
+ */
+ 'AUDIO': function AUDIO(type, settings) {
+ var hls = settings.hls,
+ sourceType = settings.sourceType,
+ segmentLoader = settings.segmentLoaders[type],
+ requestOptions = settings.requestOptions,
+ mediaGroups = settings.master.mediaGroups,
+ _settings$mediaTypes$ = settings.mediaTypes[type],
+ groups = _settings$mediaTypes$.groups,
+ tracks = _settings$mediaTypes$.tracks,
+ masterPlaylistLoader = settings.masterPlaylistLoader; // force a default if we have none
+
+ if (!mediaGroups[type] || Object.keys(mediaGroups[type]).length === 0) {
+ mediaGroups[type] = {
+ main: {
+ "default": {
+ "default": true
+ }
+ }
+ };
+ }
+
+ for (var groupId in mediaGroups[type]) {
+ if (!groups[groupId]) {
+ groups[groupId] = [];
+ } // List of playlists that have an AUDIO attribute value matching the current
+ // group ID
+
+
+ for (var variantLabel in mediaGroups[type][groupId]) {
+ var properties = mediaGroups[type][groupId][variantLabel];
+ var playlistLoader = void 0;
+
+ if (properties.resolvedUri) {
+ playlistLoader = new PlaylistLoader(properties.resolvedUri, hls, requestOptions);
+ } else if (properties.playlists && sourceType === 'dash') {
+ playlistLoader = new DashPlaylistLoader(properties.playlists[0], hls, requestOptions, masterPlaylistLoader);
+ } else {
+ // no resolvedUri means the audio is muxed with the video when using this
+ // audio track
+ playlistLoader = null;
+ }
+
+ properties = videojs$1.mergeOptions({
+ id: variantLabel,
+ playlistLoader: playlistLoader
+ }, properties);
+ setupListeners[type](type, properties.playlistLoader, settings);
+ groups[groupId].push(properties);
+
+ if (typeof tracks[variantLabel] === 'undefined') {
+ var track = new videojs$1.AudioTrack({
+ id: variantLabel,
+ kind: audioTrackKind_(properties),
+ enabled: false,
+ language: properties.language,
+ "default": properties["default"],
+ label: variantLabel
+ });
+ tracks[variantLabel] = track;
+ }
+ }
+ } // setup single error event handler for the segment loader
+
+
+ segmentLoader.on('error', onError[type](type, settings));
+ },
+
+ /**
+ * Setup PlaylistLoaders and TextTracks for the subtitle groups
+ *
+ * @param {String} type
+ * MediaGroup type
+ * @param {Object} settings
+ * Object containing required information for media groups
+ * @function initialize.SUBTITLES
+ */
+ 'SUBTITLES': function SUBTITLES(type, settings) {
+ var tech = settings.tech,
+ hls = settings.hls,
+ sourceType = settings.sourceType,
+ segmentLoader = settings.segmentLoaders[type],
+ requestOptions = settings.requestOptions,
+ mediaGroups = settings.master.mediaGroups,
+ _settings$mediaTypes$2 = settings.mediaTypes[type],
+ groups = _settings$mediaTypes$2.groups,
+ tracks = _settings$mediaTypes$2.tracks,
+ masterPlaylistLoader = settings.masterPlaylistLoader;
+
+ for (var groupId in mediaGroups[type]) {
+ if (!groups[groupId]) {
+ groups[groupId] = [];
+ }
+
+ for (var variantLabel in mediaGroups[type][groupId]) {
+ if (mediaGroups[type][groupId][variantLabel].forced) {
+ // Subtitle playlists with the forced attribute are not selectable in Safari.
+ // According to Apple's HLS Authoring Specification:
+ // If content has forced subtitles and regular subtitles in a given language,
+ // the regular subtitles track in that language MUST contain both the forced
+ // subtitles and the regular subtitles for that language.
+ // Because of this requirement and that Safari does not add forced subtitles,
+ // forced subtitles are skipped here to maintain consistent experience across
+ // all platforms
+ continue;
+ }
+
+ var properties = mediaGroups[type][groupId][variantLabel];
+ var playlistLoader = void 0;
+
+ if (sourceType === 'hls') {
+ playlistLoader = new PlaylistLoader(properties.resolvedUri, hls, requestOptions);
+ } else if (sourceType === 'dash') {
+ playlistLoader = new DashPlaylistLoader(properties.playlists[0], hls, requestOptions, masterPlaylistLoader);
+ }
+
+ properties = videojs$1.mergeOptions({
+ id: variantLabel,
+ playlistLoader: playlistLoader
+ }, properties);
+ setupListeners[type](type, properties.playlistLoader, settings);
+ groups[groupId].push(properties);
+
+ if (typeof tracks[variantLabel] === 'undefined') {
+ var track = tech.addRemoteTextTrack({
+ id: variantLabel,
+ kind: 'subtitles',
+ "default": properties["default"] && properties.autoselect,
+ language: properties.language,
+ label: variantLabel
+ }, false).track;
+ tracks[variantLabel] = track;
+ }
+ }
+ } // setup single error event handler for the segment loader
+
+
+ segmentLoader.on('error', onError[type](type, settings));
+ },
+
+ /**
+ * Setup TextTracks for the closed-caption groups
+ *
+ * @param {String} type
+ * MediaGroup type
+ * @param {Object} settings
+ * Object containing required information for media groups
+ * @function initialize['CLOSED-CAPTIONS']
+ */
+ 'CLOSED-CAPTIONS': function CLOSEDCAPTIONS(type, settings) {
+ var tech = settings.tech,
+ mediaGroups = settings.master.mediaGroups,
+ _settings$mediaTypes$3 = settings.mediaTypes[type],
+ groups = _settings$mediaTypes$3.groups,
+ tracks = _settings$mediaTypes$3.tracks;
+
+ for (var groupId in mediaGroups[type]) {
+ if (!groups[groupId]) {
+ groups[groupId] = [];
+ }
+
+ for (var variantLabel in mediaGroups[type][groupId]) {
+ var properties = mediaGroups[type][groupId][variantLabel]; // We only support CEA608 captions for now, so ignore anything that
+ // doesn't use a CCx INSTREAM-ID
+
+ if (!properties.instreamId.match(/CC\d/)) {
+ continue;
+ } // No PlaylistLoader is required for Closed-Captions because the captions are
+ // embedded within the video stream
+
+
+ groups[groupId].push(videojs$1.mergeOptions({
+ id: variantLabel
+ }, properties));
+
+ if (typeof tracks[variantLabel] === 'undefined') {
+ var track = tech.addRemoteTextTrack({
+ id: properties.instreamId,
+ kind: 'captions',
+ "default": properties["default"] && properties.autoselect,
+ language: properties.language,
+ label: variantLabel
+ }, false).track;
+ tracks[variantLabel] = track;
+ }
+ }
+ }
+ }
+ };
+ /**
+ * Returns a function used to get the active group of the provided type
+ *
+ * @param {String} type
+ * MediaGroup type
+ * @param {Object} settings
+ * Object containing required information for media groups
+ * @return {Function}
+ * Function that returns the active media group for the provided type. Takes an
+ * optional parameter {TextTrack} track. If no track is provided, a list of all
+ * variants in the group, otherwise the variant corresponding to the provided
+ * track is returned.
+ * @function activeGroup
+ */
+
+ var activeGroup = function activeGroup(type, settings) {
+ return function (track) {
+ var masterPlaylistLoader = settings.masterPlaylistLoader,
+ groups = settings.mediaTypes[type].groups;
+ var media = masterPlaylistLoader.media();
+
+ if (!media) {
+ return null;
+ }
+
+ var variants = null;
+
+ if (media.attributes[type]) {
+ variants = groups[media.attributes[type]];
+ }
+
+ variants = variants || groups.main;
+
+ if (typeof track === 'undefined') {
+ return variants;
+ }
+
+ if (track === null) {
+ // An active track was specified so a corresponding group is expected. track === null
+ // means no track is currently active so there is no corresponding group
+ return null;
+ }
+
+ return variants.filter(function (props) {
+ return props.id === track.id;
+ })[0] || null;
+ };
+ };
+
+ var activeTrack = {
+ /**
+ * Returns a function used to get the active track of type provided
+ *
+ * @param {String} type
+ * MediaGroup type
+ * @param {Object} settings
+ * Object containing required information for media groups
+ * @return {Function}
+ * Function that returns the active media track for the provided type. Returns
+ * null if no track is active
+ * @function activeTrack.AUDIO
+ */
+ AUDIO: function AUDIO(type, settings) {
+ return function () {
+ var tracks = settings.mediaTypes[type].tracks;
+
+ for (var id in tracks) {
+ if (tracks[id].enabled) {
+ return tracks[id];
+ }
+ }
+
+ return null;
+ };
+ },
+
+ /**
+ * Returns a function used to get the active track of type provided
+ *
+ * @param {String} type
+ * MediaGroup type
+ * @param {Object} settings
+ * Object containing required information for media groups
+ * @return {Function}
+ * Function that returns the active media track for the provided type. Returns
+ * null if no track is active
+ * @function activeTrack.SUBTITLES
+ */
+ SUBTITLES: function SUBTITLES(type, settings) {
+ return function () {
+ var tracks = settings.mediaTypes[type].tracks;
+
+ for (var id in tracks) {
+ if (tracks[id].mode === 'showing' || tracks[id].mode === 'hidden') {
+ return tracks[id];
+ }
+ }
+
+ return null;
+ };
+ }
+ };
+ /**
+ * Setup PlaylistLoaders and Tracks for media groups (Audio, Subtitles,
+ * Closed-Captions) specified in the master manifest.
+ *
+ * @param {Object} settings
+ * Object containing required information for setting up the media groups
+ * @param {SegmentLoader} settings.segmentLoaders.AUDIO
+ * Audio segment loader
+ * @param {SegmentLoader} settings.segmentLoaders.SUBTITLES
+ * Subtitle segment loader
+ * @param {SegmentLoader} settings.segmentLoaders.main
+ * Main segment loader
+ * @param {Tech} settings.tech
+ * The tech of the player
+ * @param {Object} settings.requestOptions
+ * XHR request options used by the segment loaders
+ * @param {PlaylistLoader} settings.masterPlaylistLoader
+ * PlaylistLoader for the master source
+ * @param {HlsHandler} settings.hls
+ * HLS SourceHandler
+ * @param {Object} settings.master
+ * The parsed master manifest
+ * @param {Object} settings.mediaTypes
+ * Object to store the loaders, tracks, and utility methods for each media type
+ * @param {Function} settings.blacklistCurrentPlaylist
+ * Blacklists the current rendition and forces a rendition switch.
+ * @function setupMediaGroups
+ */
+
+ var setupMediaGroups = function setupMediaGroups(settings) {
+ ['AUDIO', 'SUBTITLES', 'CLOSED-CAPTIONS'].forEach(function (type) {
+ initialize[type](type, settings);
+ });
+ var mediaTypes = settings.mediaTypes,
+ masterPlaylistLoader = settings.masterPlaylistLoader,
+ tech = settings.tech,
+ hls = settings.hls; // setup active group and track getters and change event handlers
+
+ ['AUDIO', 'SUBTITLES'].forEach(function (type) {
+ mediaTypes[type].activeGroup = activeGroup(type, settings);
+ mediaTypes[type].activeTrack = activeTrack[type](type, settings);
+ mediaTypes[type].onGroupChanged = onGroupChanged(type, settings);
+ mediaTypes[type].onTrackChanged = onTrackChanged(type, settings);
+ }); // DO NOT enable the default subtitle or caption track.
+ // DO enable the default audio track
+
+ var audioGroup = mediaTypes.AUDIO.activeGroup();
+ var groupId = (audioGroup.filter(function (group) {
+ return group["default"];
+ })[0] || audioGroup[0]).id;
+ mediaTypes.AUDIO.tracks[groupId].enabled = true;
+ mediaTypes.AUDIO.onTrackChanged();
+ masterPlaylistLoader.on('mediachange', function () {
+ ['AUDIO', 'SUBTITLES'].forEach(function (type) {
+ return mediaTypes[type].onGroupChanged();
+ });
+ }); // custom audio track change event handler for usage event
+
+ var onAudioTrackChanged = function onAudioTrackChanged() {
+ mediaTypes.AUDIO.onTrackChanged();
+ tech.trigger({
+ type: 'usage',
+ name: 'hls-audio-change'
+ });
+ };
+
+ tech.audioTracks().addEventListener('change', onAudioTrackChanged);
+ tech.remoteTextTracks().addEventListener('change', mediaTypes.SUBTITLES.onTrackChanged);
+ hls.on('dispose', function () {
+ tech.audioTracks().removeEventListener('change', onAudioTrackChanged);
+ tech.remoteTextTracks().removeEventListener('change', mediaTypes.SUBTITLES.onTrackChanged);
+ }); // clear existing audio tracks and add the ones we just created
+
+ tech.clearTracks('audio');
+
+ for (var id in mediaTypes.AUDIO.tracks) {
+ tech.audioTracks().addTrack(mediaTypes.AUDIO.tracks[id]);
+ }
+ };
+ /**
+ * Creates skeleton object used to store the loaders, tracks, and utility methods for each
+ * media type
+ *
+ * @return {Object}
+ * Object to store the loaders, tracks, and utility methods for each media type
+ * @function createMediaTypes
+ */
+
+
+ var createMediaTypes = function createMediaTypes() {
+ var mediaTypes = {};
+ ['AUDIO', 'SUBTITLES', 'CLOSED-CAPTIONS'].forEach(function (type) {
+ mediaTypes[type] = {
+ groups: {},
+ tracks: {},
+ activePlaylistLoader: null,
+ activeGroup: noop$1,
+ activeTrack: noop$1,
+ onGroupChanged: noop$1,
+ onTrackChanged: noop$1
+ };
+ });
+ return mediaTypes;
+ };
+ /**
+ * @file master-playlist-controller.js
+ */
+
+
+ var ABORT_EARLY_BLACKLIST_SECONDS = 60 * 2;
+ var Hls = void 0; // SegmentLoader stats that need to have each loader's
+ // values summed to calculate the final value
+
+ var loaderStats = ['mediaRequests', 'mediaRequestsAborted', 'mediaRequestsTimedout', 'mediaRequestsErrored', 'mediaTransferDuration', 'mediaBytesTransferred'];
+
+ var sumLoaderStat = function sumLoaderStat(stat) {
+ return this.audioSegmentLoader_[stat] + this.mainSegmentLoader_[stat];
+ };
+
+ var shouldSwitchToMedia = function shouldSwitchToMedia(_ref) {
+ var currentPlaylist = _ref.currentPlaylist,
+ nextPlaylist = _ref.nextPlaylist,
+ forwardBuffer = _ref.forwardBuffer,
+ bufferLowWaterLine = _ref.bufferLowWaterLine,
+ duration$$1 = _ref.duration,
+ log = _ref.log; // we have no other playlist to switch to
+
+ if (!nextPlaylist) {
+ videojs$1.log.warn('We received no playlist to switch to. Please check your stream.');
+ return false;
+ } // If the playlist is live, then we want to not take low water line into account.
+ // This is because in LIVE, the player plays 3 segments from the end of the
+ // playlist, and if `BUFFER_LOW_WATER_LINE` is greater than the duration availble
+ // in those segments, a viewer will never experience a rendition upswitch.
+
+
+ if (!currentPlaylist.endList) {
+ return true;
+ } // For the same reason as LIVE, we ignore the low water line when the VOD
+ // duration is below the max potential low water line
+
+
+ if (duration$$1 < Config.MAX_BUFFER_LOW_WATER_LINE) {
+ return true;
+ } // we want to switch down to lower resolutions quickly to continue playback, but
+
+
+ if (nextPlaylist.attributes.BANDWIDTH < currentPlaylist.attributes.BANDWIDTH) {
+ return true;
+ } // ensure we have some buffer before we switch up to prevent us running out of
+ // buffer while loading a higher rendition.
+
+
+ if (forwardBuffer >= bufferLowWaterLine) {
+ return true;
+ }
+
+ return false;
+ };
+ /**
+ * the master playlist controller controller all interactons
+ * between playlists and segmentloaders. At this time this mainly
+ * involves a master playlist and a series of audio playlists
+ * if they are available
+ *
+ * @class MasterPlaylistController
+ * @extends videojs.EventTarget
+ */
+
+
+ var MasterPlaylistController = function (_videojs$EventTarget) {
+ inherits$2(MasterPlaylistController, _videojs$EventTarget);
+
+ function MasterPlaylistController(options) {
+ classCallCheck$1(this, MasterPlaylistController);
+
+ var _this = possibleConstructorReturn$1(this, (MasterPlaylistController.__proto__ || Object.getPrototypeOf(MasterPlaylistController)).call(this));
+
+ var url = options.url,
+ handleManifestRedirects = options.handleManifestRedirects,
+ withCredentials = options.withCredentials,
+ tech = options.tech,
+ bandwidth = options.bandwidth,
+ externHls = options.externHls,
+ useCueTags = options.useCueTags,
+ blacklistDuration = options.blacklistDuration,
+ enableLowInitialPlaylist = options.enableLowInitialPlaylist,
+ cacheEncryptionKeys = options.cacheEncryptionKeys,
+ sourceType = options.sourceType;
+
+ if (!url) {
+ throw new Error('A non-empty playlist URL is required');
+ }
+
+ Hls = externHls;
+ _this.withCredentials = withCredentials;
+ _this.tech_ = tech;
+ _this.hls_ = tech.hls;
+ _this.sourceType_ = sourceType;
+ _this.useCueTags_ = useCueTags;
+ _this.blacklistDuration = blacklistDuration;
+ _this.enableLowInitialPlaylist = enableLowInitialPlaylist;
+
+ if (_this.useCueTags_) {
+ _this.cueTagsTrack_ = _this.tech_.addTextTrack('metadata', 'ad-cues');
+ _this.cueTagsTrack_.inBandMetadataTrackDispatchType = '';
+ }
+
+ _this.requestOptions_ = {
+ withCredentials: withCredentials,
+ handleManifestRedirects: handleManifestRedirects,
+ timeout: null
+ };
+ _this.mediaTypes_ = createMediaTypes();
+ _this.mediaSource = new videojs$1.MediaSource(); // load the media source into the player
+
+ _this.mediaSource.addEventListener('sourceopen', _this.handleSourceOpen_.bind(_this));
+
+ _this.seekable_ = videojs$1.createTimeRanges();
+ _this.hasPlayed_ = false;
+ _this.syncController_ = new SyncController(options);
+ _this.segmentMetadataTrack_ = tech.addRemoteTextTrack({
+ kind: 'metadata',
+ label: 'segment-metadata'
+ }, false).track;
+ _this.decrypter_ = new Decrypter$1();
+ _this.inbandTextTracks_ = {};
+ var segmentLoaderSettings = {
+ hls: _this.hls_,
+ mediaSource: _this.mediaSource,
+ currentTime: _this.tech_.currentTime.bind(_this.tech_),
+ seekable: function seekable$$1() {
+ return _this.seekable();
+ },
+ seeking: function seeking() {
+ return _this.tech_.seeking();
+ },
+ duration: function duration$$1() {
+ return _this.mediaSource.duration;
+ },
+ hasPlayed: function hasPlayed() {
+ return _this.hasPlayed_;
+ },
+ goalBufferLength: function goalBufferLength() {
+ return _this.goalBufferLength();
+ },
+ bandwidth: bandwidth,
+ syncController: _this.syncController_,
+ decrypter: _this.decrypter_,
+ sourceType: _this.sourceType_,
+ inbandTextTracks: _this.inbandTextTracks_,
+ cacheEncryptionKeys: cacheEncryptionKeys
+ };
+ _this.masterPlaylistLoader_ = _this.sourceType_ === 'dash' ? new DashPlaylistLoader(url, _this.hls_, _this.requestOptions_) : new PlaylistLoader(url, _this.hls_, _this.requestOptions_);
+
+ _this.setupMasterPlaylistLoaderListeners_(); // setup segment loaders
+ // combined audio/video or just video when alternate audio track is selected
+
+
+ _this.mainSegmentLoader_ = new SegmentLoader(videojs$1.mergeOptions(segmentLoaderSettings, {
+ segmentMetadataTrack: _this.segmentMetadataTrack_,
+ loaderType: 'main'
+ }), options); // alternate audio track
+
+ _this.audioSegmentLoader_ = new SegmentLoader(videojs$1.mergeOptions(segmentLoaderSettings, {
+ loaderType: 'audio'
+ }), options);
+ _this.subtitleSegmentLoader_ = new VTTSegmentLoader(videojs$1.mergeOptions(segmentLoaderSettings, {
+ loaderType: 'vtt',
+ featuresNativeTextTracks: _this.tech_.featuresNativeTextTracks
+ }), options);
+
+ _this.setupSegmentLoaderListeners_(); // Create SegmentLoader stat-getters
+
+
+ loaderStats.forEach(function (stat) {
+ _this[stat + '_'] = sumLoaderStat.bind(_this, stat);
+ });
+ _this.logger_ = logger('MPC');
+
+ _this.masterPlaylistLoader_.load();
+
+ return _this;
+ }
+ /**
+ * Register event handlers on the master playlist loader. A helper
+ * function for construction time.
+ *
+ * @private
+ */
+
+
+ createClass$1(MasterPlaylistController, [{
+ key: 'setupMasterPlaylistLoaderListeners_',
+ value: function setupMasterPlaylistLoaderListeners_() {
+ var _this2 = this;
+
+ this.masterPlaylistLoader_.on('loadedmetadata', function () {
+ var media = _this2.masterPlaylistLoader_.media();
+
+ var requestTimeout = media.targetDuration * 1.5 * 1000; // If we don't have any more available playlists, we don't want to
+ // timeout the request.
+
+ if (isLowestEnabledRendition(_this2.masterPlaylistLoader_.master, _this2.masterPlaylistLoader_.media())) {
+ _this2.requestOptions_.timeout = 0;
+ } else {
+ _this2.requestOptions_.timeout = requestTimeout;
+ } // if this isn't a live video and preload permits, start
+ // downloading segments
+
+
+ if (media.endList && _this2.tech_.preload() !== 'none') {
+ _this2.mainSegmentLoader_.playlist(media, _this2.requestOptions_);
+
+ _this2.mainSegmentLoader_.load();
+ }
+
+ setupMediaGroups({
+ sourceType: _this2.sourceType_,
+ segmentLoaders: {
+ AUDIO: _this2.audioSegmentLoader_,
+ SUBTITLES: _this2.subtitleSegmentLoader_,
+ main: _this2.mainSegmentLoader_
+ },
+ tech: _this2.tech_,
+ requestOptions: _this2.requestOptions_,
+ masterPlaylistLoader: _this2.masterPlaylistLoader_,
+ hls: _this2.hls_,
+ master: _this2.master(),
+ mediaTypes: _this2.mediaTypes_,
+ blacklistCurrentPlaylist: _this2.blacklistCurrentPlaylist.bind(_this2)
+ });
+
+ _this2.triggerPresenceUsage_(_this2.master(), media);
+
+ try {
+ _this2.setupSourceBuffers_();
+ } catch (e) {
+ videojs$1.log.warn('Failed to create SourceBuffers', e);
+ return _this2.mediaSource.endOfStream('decode');
+ }
+
+ _this2.setupFirstPlay();
+
+ if (!_this2.mediaTypes_.AUDIO.activePlaylistLoader || _this2.mediaTypes_.AUDIO.activePlaylistLoader.media()) {
+ _this2.trigger('selectedinitialmedia');
+ } else {
+ // We must wait for the active audio playlist loader to
+ // finish setting up before triggering this event so the
+ // representations API and EME setup is correct
+ _this2.mediaTypes_.AUDIO.activePlaylistLoader.one('loadedmetadata', function () {
+ _this2.trigger('selectedinitialmedia');
+ });
+ }
+ });
+ this.masterPlaylistLoader_.on('loadedplaylist', function () {
+ var updatedPlaylist = _this2.masterPlaylistLoader_.media();
+
+ if (!updatedPlaylist) {
+ // blacklist any variants that are not supported by the browser before selecting
+ // an initial media as the playlist selectors do not consider browser support
+ _this2.excludeUnsupportedVariants_();
+
+ var selectedMedia = void 0;
+
+ if (_this2.enableLowInitialPlaylist) {
+ selectedMedia = _this2.selectInitialPlaylist();
+ }
+
+ if (!selectedMedia) {
+ selectedMedia = _this2.selectPlaylist();
+ }
+
+ _this2.initialMedia_ = selectedMedia;
+
+ _this2.masterPlaylistLoader_.media(_this2.initialMedia_);
+
+ return;
+ }
+
+ if (_this2.useCueTags_) {
+ _this2.updateAdCues_(updatedPlaylist);
+ } // TODO: Create a new event on the PlaylistLoader that signals
+ // that the segments have changed in some way and use that to
+ // update the SegmentLoader instead of doing it twice here and
+ // on `mediachange`
+
+
+ _this2.mainSegmentLoader_.playlist(updatedPlaylist, _this2.requestOptions_);
+
+ _this2.updateDuration(); // If the player isn't paused, ensure that the segment loader is running,
+ // as it is possible that it was temporarily stopped while waiting for
+ // a playlist (e.g., in case the playlist errored and we re-requested it).
+
+
+ if (!_this2.tech_.paused()) {
+ _this2.mainSegmentLoader_.load();
+
+ if (_this2.audioSegmentLoader_) {
+ _this2.audioSegmentLoader_.load();
+ }
+ }
+
+ if (!updatedPlaylist.endList) {
+ var addSeekableRange = function addSeekableRange() {
+ var seekable$$1 = _this2.seekable();
+
+ if (seekable$$1.length !== 0) {
+ _this2.mediaSource.addSeekableRange_(seekable$$1.start(0), seekable$$1.end(0));
+ }
+ };
+
+ if (_this2.duration() !== Infinity) {
+ var onDurationchange = function onDurationchange() {
+ if (_this2.duration() === Infinity) {
+ addSeekableRange();
+ } else {
+ _this2.tech_.one('durationchange', onDurationchange);
+ }
+ };
+
+ _this2.tech_.one('durationchange', onDurationchange);
+ } else {
+ addSeekableRange();
+ }
+ }
+ });
+ this.masterPlaylistLoader_.on('error', function () {
+ _this2.blacklistCurrentPlaylist(_this2.masterPlaylistLoader_.error);
+ });
+ this.masterPlaylistLoader_.on('mediachanging', function () {
+ _this2.mainSegmentLoader_.abort();
+
+ _this2.mainSegmentLoader_.pause();
+ });
+ this.masterPlaylistLoader_.on('mediachange', function () {
+ var media = _this2.masterPlaylistLoader_.media();
+
+ var requestTimeout = media.targetDuration * 1.5 * 1000; // If we don't have any more available playlists, we don't want to
+ // timeout the request.
+
+ if (isLowestEnabledRendition(_this2.masterPlaylistLoader_.master, _this2.masterPlaylistLoader_.media())) {
+ _this2.requestOptions_.timeout = 0;
+ } else {
+ _this2.requestOptions_.timeout = requestTimeout;
+ } // TODO: Create a new event on the PlaylistLoader that signals
+ // that the segments have changed in some way and use that to
+ // update the SegmentLoader instead of doing it twice here and
+ // on `loadedplaylist`
+
+
+ _this2.mainSegmentLoader_.playlist(media, _this2.requestOptions_);
+
+ _this2.mainSegmentLoader_.load();
+
+ _this2.tech_.trigger({
+ type: 'mediachange',
+ bubbles: true
+ });
+ });
+ this.masterPlaylistLoader_.on('playlistunchanged', function () {
+ var updatedPlaylist = _this2.masterPlaylistLoader_.media();
+
+ var playlistOutdated = _this2.stuckAtPlaylistEnd_(updatedPlaylist);
+
+ if (playlistOutdated) {
+ // Playlist has stopped updating and we're stuck at its end. Try to
+ // blacklist it and switch to another playlist in the hope that that
+ // one is updating (and give the player a chance to re-adjust to the
+ // safe live point).
+ _this2.blacklistCurrentPlaylist({
+ message: 'Playlist no longer updating.'
+ }); // useful for monitoring QoS
+
+
+ _this2.tech_.trigger('playliststuck');
+ }
+ });
+ this.masterPlaylistLoader_.on('renditiondisabled', function () {
+ _this2.tech_.trigger({
+ type: 'usage',
+ name: 'hls-rendition-disabled'
+ });
+ });
+ this.masterPlaylistLoader_.on('renditionenabled', function () {
+ _this2.tech_.trigger({
+ type: 'usage',
+ name: 'hls-rendition-enabled'
+ });
+ });
+ }
+ /**
+ * A helper function for triggerring presence usage events once per source
+ *
+ * @private
+ */
+
+ }, {
+ key: 'triggerPresenceUsage_',
+ value: function triggerPresenceUsage_(master, media) {
+ var mediaGroups = master.mediaGroups || {};
+ var defaultDemuxed = true;
+ var audioGroupKeys = Object.keys(mediaGroups.AUDIO);
+
+ for (var mediaGroup in mediaGroups.AUDIO) {
+ for (var label in mediaGroups.AUDIO[mediaGroup]) {
+ var properties = mediaGroups.AUDIO[mediaGroup][label];
+
+ if (!properties.uri) {
+ defaultDemuxed = false;
+ }
+ }
+ }
+
+ if (defaultDemuxed) {
+ this.tech_.trigger({
+ type: 'usage',
+ name: 'hls-demuxed'
+ });
+ }
+
+ if (Object.keys(mediaGroups.SUBTITLES).length) {
+ this.tech_.trigger({
+ type: 'usage',
+ name: 'hls-webvtt'
+ });
+ }
+
+ if (Hls.Playlist.isAes(media)) {
+ this.tech_.trigger({
+ type: 'usage',
+ name: 'hls-aes'
+ });
+ }
+
+ if (Hls.Playlist.isFmp4(media)) {
+ this.tech_.trigger({
+ type: 'usage',
+ name: 'hls-fmp4'
+ });
+ }
+
+ if (audioGroupKeys.length && Object.keys(mediaGroups.AUDIO[audioGroupKeys[0]]).length > 1) {
+ this.tech_.trigger({
+ type: 'usage',
+ name: 'hls-alternate-audio'
+ });
+ }
+
+ if (this.useCueTags_) {
+ this.tech_.trigger({
+ type: 'usage',
+ name: 'hls-playlist-cue-tags'
+ });
+ }
+ }
+ /**
+ * Register event handlers on the segment loaders. A helper function
+ * for construction time.
+ *
+ * @private
+ */
+
+ }, {
+ key: 'setupSegmentLoaderListeners_',
+ value: function setupSegmentLoaderListeners_() {
+ var _this3 = this;
+
+ this.mainSegmentLoader_.on('bandwidthupdate', function () {
+ var nextPlaylist = _this3.selectPlaylist();
+
+ var currentPlaylist = _this3.masterPlaylistLoader_.media();
+
+ var buffered = _this3.tech_.buffered();
+
+ var forwardBuffer = buffered.length ? buffered.end(buffered.length - 1) - _this3.tech_.currentTime() : 0;
+
+ var bufferLowWaterLine = _this3.bufferLowWaterLine();
+
+ if (shouldSwitchToMedia({
+ currentPlaylist: currentPlaylist,
+ nextPlaylist: nextPlaylist,
+ forwardBuffer: forwardBuffer,
+ bufferLowWaterLine: bufferLowWaterLine,
+ duration: _this3.duration(),
+ log: _this3.logger_
+ })) {
+ _this3.masterPlaylistLoader_.media(nextPlaylist);
+ }
+
+ _this3.tech_.trigger('bandwidthupdate');
+ });
+ this.mainSegmentLoader_.on('progress', function () {
+ _this3.trigger('progress');
+ });
+ this.mainSegmentLoader_.on('error', function () {
+ _this3.blacklistCurrentPlaylist(_this3.mainSegmentLoader_.error());
+ });
+ this.mainSegmentLoader_.on('syncinfoupdate', function () {
+ _this3.onSyncInfoUpdate_();
+ });
+ this.mainSegmentLoader_.on('timestampoffset', function () {
+ _this3.tech_.trigger({
+ type: 'usage',
+ name: 'hls-timestamp-offset'
+ });
+ });
+ this.audioSegmentLoader_.on('syncinfoupdate', function () {
+ _this3.onSyncInfoUpdate_();
+ });
+ this.mainSegmentLoader_.on('ended', function () {
+ _this3.onEndOfStream();
+ });
+ this.mainSegmentLoader_.on('earlyabort', function () {
+ _this3.blacklistCurrentPlaylist({
+ message: 'Aborted early because there isn\'t enough bandwidth to complete the ' + 'request without rebuffering.'
+ }, ABORT_EARLY_BLACKLIST_SECONDS);
+ });
+ this.mainSegmentLoader_.on('reseteverything', function () {
+ // If playing an MTS stream, a videojs.MediaSource is listening for
+ // hls-reset to reset caption parsing state in the transmuxer
+ _this3.tech_.trigger('hls-reset');
+ });
+ this.mainSegmentLoader_.on('segmenttimemapping', function (event) {
+ // If playing an MTS stream in html, a videojs.MediaSource is listening for
+ // hls-segment-time-mapping update its internal mapping of stream to display time
+ _this3.tech_.trigger({
+ type: 'hls-segment-time-mapping',
+ mapping: event.mapping
+ });
+ });
+ this.audioSegmentLoader_.on('ended', function () {
+ _this3.onEndOfStream();
+ });
+ }
+ }, {
+ key: 'mediaSecondsLoaded_',
+ value: function mediaSecondsLoaded_() {
+ return Math.max(this.audioSegmentLoader_.mediaSecondsLoaded + this.mainSegmentLoader_.mediaSecondsLoaded);
+ }
+ /**
+ * Call load on our SegmentLoaders
+ */
+
+ }, {
+ key: 'load',
+ value: function load() {
+ this.mainSegmentLoader_.load();
+
+ if (this.mediaTypes_.AUDIO.activePlaylistLoader) {
+ this.audioSegmentLoader_.load();
+ }
+
+ if (this.mediaTypes_.SUBTITLES.activePlaylistLoader) {
+ this.subtitleSegmentLoader_.load();
+ }
+ }
+ /**
+ * Re-tune playback quality level for the current player
+ * conditions without performing destructive actions, like
+ * removing already buffered content
+ *
+ * @private
+ */
+
+ }, {
+ key: 'smoothQualityChange_',
+ value: function smoothQualityChange_() {
+ var media = this.selectPlaylist();
+
+ if (media !== this.masterPlaylistLoader_.media()) {
+ this.masterPlaylistLoader_.media(media);
+ this.mainSegmentLoader_.resetLoader(); // don't need to reset audio as it is reset when media changes
+ }
+ }
+ /**
+ * Re-tune playback quality level for the current player
+ * conditions. This method will perform destructive actions like removing
+ * already buffered content in order to readjust the currently active
+ * playlist quickly. This is good for manual quality changes
+ *
+ * @private
+ */
+
+ }, {
+ key: 'fastQualityChange_',
+ value: function fastQualityChange_() {
+ var _this4 = this;
+
+ var media = this.selectPlaylist();
+
+ if (media === this.masterPlaylistLoader_.media()) {
+ return;
+ }
+
+ this.masterPlaylistLoader_.media(media); // Delete all buffered data to allow an immediate quality switch, then seek to give
+ // the browser a kick to remove any cached frames from the previous rendtion (.04 seconds
+ // ahead is roughly the minimum that will accomplish this across a variety of content
+ // in IE and Edge, but seeking in place is sufficient on all other browsers)
+ // Edge/IE bug: https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/14600375/
+ // Chrome bug: https://bugs.chromium.org/p/chromium/issues/detail?id=651904
+
+ this.mainSegmentLoader_.resetEverything(function () {
+ // Since this is not a typical seek, we avoid the seekTo method which can cause segments
+ // from the previously enabled rendition to load before the new playlist has finished loading
+ if (videojs$1.browser.IE_VERSION || videojs$1.browser.IS_EDGE) {
+ _this4.tech_.setCurrentTime(_this4.tech_.currentTime() + 0.04);
+ } else {
+ _this4.tech_.setCurrentTime(_this4.tech_.currentTime());
+ }
+ }); // don't need to reset audio as it is reset when media changes
+ }
+ /**
+ * Begin playback.
+ */
+
+ }, {
+ key: 'play',
+ value: function play() {
+ if (this.setupFirstPlay()) {
+ return;
+ }
+
+ if (this.tech_.ended()) {
+ this.tech_.setCurrentTime(0);
+ }
+
+ if (this.hasPlayed_) {
+ this.load();
+ }
+
+ var seekable$$1 = this.tech_.seekable(); // if the viewer has paused and we fell out of the live window,
+ // seek forward to the live point
+
+ if (this.tech_.duration() === Infinity) {
+ if (this.tech_.currentTime() < seekable$$1.start(0)) {
+ return this.tech_.setCurrentTime(seekable$$1.end(seekable$$1.length - 1));
+ }
+ }
+ }
+ /**
+ * Seek to the latest media position if this is a live video and the
+ * player and video are loaded and initialized.
+ */
+
+ }, {
+ key: 'setupFirstPlay',
+ value: function setupFirstPlay() {
+ var _this5 = this;
+
+ var media = this.masterPlaylistLoader_.media(); // Check that everything is ready to begin buffering for the first call to play
+ // If 1) there is no active media
+ // 2) the player is paused
+ // 3) the first play has already been setup
+ // then exit early
+
+ if (!media || this.tech_.paused() || this.hasPlayed_) {
+ return false;
+ } // when the video is a live stream
+
+
+ if (!media.endList) {
+ var seekable$$1 = this.seekable();
+
+ if (!seekable$$1.length) {
+ // without a seekable range, the player cannot seek to begin buffering at the live
+ // point
+ return false;
+ }
+
+ if (videojs$1.browser.IE_VERSION && this.tech_.readyState() === 0) {
+ // IE11 throws an InvalidStateError if you try to set currentTime while the
+ // readyState is 0, so it must be delayed until the tech fires loadedmetadata.
+ this.tech_.one('loadedmetadata', function () {
+ _this5.trigger('firstplay');
+
+ _this5.tech_.setCurrentTime(seekable$$1.end(0));
+
+ _this5.hasPlayed_ = true;
+ });
+ return false;
+ } // trigger firstplay to inform the source handler to ignore the next seek event
+
+
+ this.trigger('firstplay'); // seek to the live point
+
+ this.tech_.setCurrentTime(seekable$$1.end(0));
+ }
+
+ this.hasPlayed_ = true; // we can begin loading now that everything is ready
+
+ this.load();
+ return true;
+ }
+ /**
+ * handle the sourceopen event on the MediaSource
+ *
+ * @private
+ */
+
+ }, {
+ key: 'handleSourceOpen_',
+ value: function handleSourceOpen_() {
+ // Only attempt to create the source buffer if none already exist.
+ // handleSourceOpen is also called when we are "re-opening" a source buffer
+ // after `endOfStream` has been called (in response to a seek for instance)
+ try {
+ this.setupSourceBuffers_();
+ } catch (e) {
+ videojs$1.log.warn('Failed to create Source Buffers', e);
+ return this.mediaSource.endOfStream('decode');
+ } // if autoplay is enabled, begin playback. This is duplicative of
+ // code in video.js but is required because play() must be invoked
+ // *after* the media source has opened.
+
+
+ if (this.tech_.autoplay()) {
+ var playPromise = this.tech_.play(); // Catch/silence error when a pause interrupts a play request
+ // on browsers which return a promise
+
+ if (typeof playPromise !== 'undefined' && typeof playPromise.then === 'function') {
+ playPromise.then(null, function (e) {});
+ }
+ }
+
+ this.trigger('sourceopen');
+ }
+ /**
+ * Calls endOfStream on the media source when all active stream types have called
+ * endOfStream
+ *
+ * @param {string} streamType
+ * Stream type of the segment loader that called endOfStream
+ * @private
+ */
+
+ }, {
+ key: 'onEndOfStream',
+ value: function onEndOfStream() {
+ var isEndOfStream = this.mainSegmentLoader_.ended_;
+
+ if (this.mediaTypes_.AUDIO.activePlaylistLoader) {
+ // if the audio playlist loader exists, then alternate audio is active
+ if (!this.mainSegmentLoader_.startingMedia_ || this.mainSegmentLoader_.startingMedia_.containsVideo) {
+ // if we do not know if the main segment loader contains video yet or if we
+ // definitively know the main segment loader contains video, then we need to wait
+ // for both main and audio segment loaders to call endOfStream
+ isEndOfStream = isEndOfStream && this.audioSegmentLoader_.ended_;
+ } else {
+ // otherwise just rely on the audio loader
+ isEndOfStream = this.audioSegmentLoader_.ended_;
+ }
+ }
+
+ if (!isEndOfStream) {
+ return;
+ }
+
+ this.logger_('calling mediaSource.endOfStream()'); // on chrome calling endOfStream can sometimes cause an exception,
+ // even when the media source is in a valid state.
+
+ try {
+ this.mediaSource.endOfStream();
+ } catch (e) {
+ videojs$1.log.warn('Failed to call media source endOfStream', e);
+ }
+ }
+ /**
+ * Check if a playlist has stopped being updated
+ * @param {Object} playlist the media playlist object
+ * @return {boolean} whether the playlist has stopped being updated or not
+ */
+
+ }, {
+ key: 'stuckAtPlaylistEnd_',
+ value: function stuckAtPlaylistEnd_(playlist) {
+ var seekable$$1 = this.seekable();
+
+ if (!seekable$$1.length) {
+ // playlist doesn't have enough information to determine whether we are stuck
+ return false;
+ }
+
+ var expired = this.syncController_.getExpiredTime(playlist, this.mediaSource.duration);
+
+ if (expired === null) {
+ return false;
+ } // does not use the safe live end to calculate playlist end, since we
+ // don't want to say we are stuck while there is still content
+
+
+ var absolutePlaylistEnd = Hls.Playlist.playlistEnd(playlist, expired);
+ var currentTime = this.tech_.currentTime();
+ var buffered = this.tech_.buffered();
+
+ if (!buffered.length) {
+ // return true if the playhead reached the absolute end of the playlist
+ return absolutePlaylistEnd - currentTime <= SAFE_TIME_DELTA;
+ }
+
+ var bufferedEnd = buffered.end(buffered.length - 1); // return true if there is too little buffer left and buffer has reached absolute
+ // end of playlist
+
+ return bufferedEnd - currentTime <= SAFE_TIME_DELTA && absolutePlaylistEnd - bufferedEnd <= SAFE_TIME_DELTA;
+ }
+ /**
+ * Blacklists a playlist when an error occurs for a set amount of time
+ * making it unavailable for selection by the rendition selection algorithm
+ * and then forces a new playlist (rendition) selection.
+ *
+ * @param {Object=} error an optional error that may include the playlist
+ * to blacklist
+ * @param {Number=} blacklistDuration an optional number of seconds to blacklist the
+ * playlist
+ */
+
+ }, {
+ key: 'blacklistCurrentPlaylist',
+ value: function blacklistCurrentPlaylist() {
+ var error = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+ var blacklistDuration = arguments[1];
+ var currentPlaylist = void 0;
+ var nextPlaylist = void 0; // If the `error` was generated by the playlist loader, it will contain
+ // the playlist we were trying to load (but failed) and that should be
+ // blacklisted instead of the currently selected playlist which is likely
+ // out-of-date in this scenario
+
+ currentPlaylist = error.playlist || this.masterPlaylistLoader_.media();
+ blacklistDuration = blacklistDuration || error.blacklistDuration || this.blacklistDuration; // If there is no current playlist, then an error occurred while we were
+ // trying to load the master OR while we were disposing of the tech
+
+ if (!currentPlaylist) {
+ this.error = error;
+
+ try {
+ return this.mediaSource.endOfStream('network');
+ } catch (e) {
+ return this.trigger('error');
+ }
+ }
+
+ var isFinalRendition = this.masterPlaylistLoader_.master.playlists.filter(isEnabled).length === 1;
+ var playlists = this.masterPlaylistLoader_.master.playlists;
+
+ if (playlists.length === 1) {
+ // Never blacklisting this playlist because it's the only playlist
+ videojs$1.log.warn('Problem encountered with the current ' + 'HLS playlist. Trying again since it is the only playlist.');
+ this.tech_.trigger('retryplaylist');
+ return this.masterPlaylistLoader_.load(isFinalRendition);
+ }
+
+ if (isFinalRendition) {
+ // Since we're on the final non-blacklisted playlist, and we're about to blacklist
+ // it, instead of erring the player or retrying this playlist, clear out the current
+ // blacklist. This allows other playlists to be attempted in case any have been
+ // fixed.
+ videojs$1.log.warn('Removing all playlists from the blacklist because the last ' + 'rendition is about to be blacklisted.');
+ playlists.forEach(function (playlist) {
+ if (playlist.excludeUntil !== Infinity) {
+ delete playlist.excludeUntil;
+ }
+ }); // Technically we are retrying a playlist, in that we are simply retrying a previous
+ // playlist. This is needed for users relying on the retryplaylist event to catch a
+ // case where the player might be stuck and looping through "dead" playlists.
+
+ this.tech_.trigger('retryplaylist');
+ } // Blacklist this playlist
+
+
+ currentPlaylist.excludeUntil = Date.now() + blacklistDuration * 1000;
+ this.tech_.trigger('blacklistplaylist');
+ this.tech_.trigger({
+ type: 'usage',
+ name: 'hls-rendition-blacklisted'
+ }); // Select a new playlist
+
+ nextPlaylist = this.selectPlaylist();
+ videojs$1.log.warn('Problem encountered with the current HLS playlist.' + (error.message ? ' ' + error.message : '') + ' Switching to another playlist.');
+ return this.masterPlaylistLoader_.media(nextPlaylist, isFinalRendition);
+ }
+ /**
+ * Pause all segment loaders
+ */
+
+ }, {
+ key: 'pauseLoading',
+ value: function pauseLoading() {
+ this.mainSegmentLoader_.pause();
+
+ if (this.mediaTypes_.AUDIO.activePlaylistLoader) {
+ this.audioSegmentLoader_.pause();
+ }
+
+ if (this.mediaTypes_.SUBTITLES.activePlaylistLoader) {
+ this.subtitleSegmentLoader_.pause();
+ }
+ }
+ /**
+ * set the current time on all segment loaders
+ *
+ * @param {TimeRange} currentTime the current time to set
+ * @return {TimeRange} the current time
+ */
+
+ }, {
+ key: 'setCurrentTime',
+ value: function setCurrentTime(currentTime) {
+ var buffered = findRange(this.tech_.buffered(), currentTime);
+
+ if (!(this.masterPlaylistLoader_ && this.masterPlaylistLoader_.media())) {
+ // return immediately if the metadata is not ready yet
+ return 0;
+ } // it's clearly an edge-case but don't thrown an error if asked to
+ // seek within an empty playlist
+
+
+ if (!this.masterPlaylistLoader_.media().segments) {
+ return 0;
+ } // In flash playback, the segment loaders should be reset on every seek, even
+ // in buffer seeks. If the seek location is already buffered, continue buffering as
+ // usual
+ // TODO: redo this comment
+
+
+ if (buffered && buffered.length) {
+ return currentTime;
+ } // cancel outstanding requests so we begin buffering at the new
+ // location
+
+
+ this.mainSegmentLoader_.resetEverything();
+ this.mainSegmentLoader_.abort();
+
+ if (this.mediaTypes_.AUDIO.activePlaylistLoader) {
+ this.audioSegmentLoader_.resetEverything();
+ this.audioSegmentLoader_.abort();
+ }
+
+ if (this.mediaTypes_.SUBTITLES.activePlaylistLoader) {
+ this.subtitleSegmentLoader_.resetEverything();
+ this.subtitleSegmentLoader_.abort();
+ } // start segment loader loading in case they are paused
+
+
+ this.load();
+ }
+ /**
+ * get the current duration
+ *
+ * @return {TimeRange} the duration
+ */
+
+ }, {
+ key: 'duration',
+ value: function duration$$1() {
+ if (!this.masterPlaylistLoader_) {
+ return 0;
+ }
+
+ if (this.mediaSource) {
+ return this.mediaSource.duration;
+ }
+
+ return Hls.Playlist.duration(this.masterPlaylistLoader_.media());
+ }
+ /**
+ * check the seekable range
+ *
+ * @return {TimeRange} the seekable range
+ */
+
+ }, {
+ key: 'seekable',
+ value: function seekable$$1() {
+ return this.seekable_;
+ }
+ }, {
+ key: 'onSyncInfoUpdate_',
+ value: function onSyncInfoUpdate_() {
+ var audioSeekable = void 0;
+
+ if (!this.masterPlaylistLoader_) {
+ return;
+ }
+
+ var media = this.masterPlaylistLoader_.media();
+
+ if (!media) {
+ return;
+ }
+
+ var expired = this.syncController_.getExpiredTime(media, this.mediaSource.duration);
+
+ if (expired === null) {
+ // not enough information to update seekable
+ return;
+ }
+
+ var suggestedPresentationDelay = this.masterPlaylistLoader_.master.suggestedPresentationDelay;
+ var mainSeekable = Hls.Playlist.seekable(media, expired, suggestedPresentationDelay);
+
+ if (mainSeekable.length === 0) {
+ return;
+ }
+
+ if (this.mediaTypes_.AUDIO.activePlaylistLoader) {
+ media = this.mediaTypes_.AUDIO.activePlaylistLoader.media();
+ expired = this.syncController_.getExpiredTime(media, this.mediaSource.duration);
+
+ if (expired === null) {
+ return;
+ }
+
+ audioSeekable = Hls.Playlist.seekable(media, expired, suggestedPresentationDelay);
+
+ if (audioSeekable.length === 0) {
+ return;
+ }
+ }
+
+ var oldEnd = void 0;
+ var oldStart = void 0;
+
+ if (this.seekable_ && this.seekable_.length) {
+ oldEnd = this.seekable_.end(0);
+ oldStart = this.seekable_.start(0);
+ }
+
+ if (!audioSeekable) {
+ // seekable has been calculated based on buffering video data so it
+ // can be returned directly
+ this.seekable_ = mainSeekable;
+ } else if (audioSeekable.start(0) > mainSeekable.end(0) || mainSeekable.start(0) > audioSeekable.end(0)) {
+ // seekables are pretty far off, rely on main
+ this.seekable_ = mainSeekable;
+ } else {
+ this.seekable_ = videojs$1.createTimeRanges([[audioSeekable.start(0) > mainSeekable.start(0) ? audioSeekable.start(0) : mainSeekable.start(0), audioSeekable.end(0) < mainSeekable.end(0) ? audioSeekable.end(0) : mainSeekable.end(0)]]);
+ } // seekable is the same as last time
+
+
+ if (this.seekable_ && this.seekable_.length) {
+ if (this.seekable_.end(0) === oldEnd && this.seekable_.start(0) === oldStart) {
+ return;
+ }
+ }
+
+ this.logger_('seekable updated [' + printableRange(this.seekable_) + ']');
+ this.tech_.trigger('seekablechanged');
+ }
+ /**
+ * Update the player duration
+ */
+
+ }, {
+ key: 'updateDuration',
+ value: function updateDuration() {
+ var _this6 = this;
+
+ var oldDuration = this.mediaSource.duration;
+ var newDuration = Hls.Playlist.duration(this.masterPlaylistLoader_.media());
+ var buffered = this.tech_.buffered();
+
+ var setDuration = function setDuration() {
+ // on firefox setting the duration may sometimes cause an exception
+ // even if the media source is open and source buffers are not
+ // updating, something about the media source being in an invalid state.
+ _this6.logger_('Setting duration from ' + _this6.mediaSource.duration + ' => ' + newDuration);
+
+ try {
+ _this6.mediaSource.duration = newDuration;
+ } catch (e) {
+ videojs$1.log.warn('Failed to set media source duration', e);
+ }
+
+ _this6.tech_.trigger('durationchange');
+
+ _this6.mediaSource.removeEventListener('sourceopen', setDuration);
+ };
+
+ if (buffered.length > 0) {
+ newDuration = Math.max(newDuration, buffered.end(buffered.length - 1));
+ } // if the duration has changed, invalidate the cached value
+
+
+ if (oldDuration !== newDuration) {
+ // update the duration
+ if (this.mediaSource.readyState !== 'open') {
+ this.mediaSource.addEventListener('sourceopen', setDuration);
+ } else {
+ setDuration();
+ }
+ }
+ }
+ /**
+ * dispose of the MasterPlaylistController and everything
+ * that it controls
+ */
+
+ }, {
+ key: 'dispose',
+ value: function dispose() {
+ var _this7 = this;
+
+ this.trigger('dispose');
+
+ if (this.decrypter_) {
+ this.decrypter_.terminate();
+ }
+
+ this.masterPlaylistLoader_.dispose();
+ this.mainSegmentLoader_.dispose();
+ ['AUDIO', 'SUBTITLES'].forEach(function (type) {
+ var groups = _this7.mediaTypes_[type].groups;
+
+ for (var id in groups) {
+ groups[id].forEach(function (group) {
+ if (group.playlistLoader) {
+ group.playlistLoader.dispose();
+ }
+ });
+ }
+ });
+ this.audioSegmentLoader_.dispose();
+ this.subtitleSegmentLoader_.dispose();
+ this.off();
+
+ if (this.mediaSource.dispose) {
+ this.mediaSource.dispose();
+ }
+ }
+ /**
+ * return the master playlist object if we have one
+ *
+ * @return {Object} the master playlist object that we parsed
+ */
+
+ }, {
+ key: 'master',
+ value: function master() {
+ return this.masterPlaylistLoader_.master;
+ }
+ /**
+ * return the currently selected playlist
+ *
+ * @return {Object} the currently selected playlist object that we parsed
+ */
+
+ }, {
+ key: 'media',
+ value: function media() {
+ // playlist loader will not return media if it has not been fully loaded
+ return this.masterPlaylistLoader_.media() || this.initialMedia_;
+ }
+ /**
+ * setup our internal source buffers on our segment Loaders
+ *
+ * @private
+ */
+
+ }, {
+ key: 'setupSourceBuffers_',
+ value: function setupSourceBuffers_() {
+ var media = this.masterPlaylistLoader_.media();
+ var mimeTypes = void 0; // wait until a media playlist is available and the Media Source is
+ // attached
+
+ if (!media || this.mediaSource.readyState !== 'open') {
+ return;
+ }
+
+ mimeTypes = mimeTypesForPlaylist(this.masterPlaylistLoader_.master, media);
+
+ if (mimeTypes.length < 1) {
+ this.error = 'No compatible SourceBuffer configuration for the variant stream:' + media.resolvedUri;
+ return this.mediaSource.endOfStream('decode');
+ }
+
+ this.configureLoaderMimeTypes_(mimeTypes); // exclude any incompatible variant streams from future playlist
+ // selection
+
+ this.excludeIncompatibleVariants_(media);
+ }
+ }, {
+ key: 'configureLoaderMimeTypes_',
+ value: function configureLoaderMimeTypes_(mimeTypes) {
+ // If the content is demuxed, we can't start appending segments to a source buffer
+ // until both source buffers are set up, or else the browser may not let us add the
+ // second source buffer (it will assume we are playing either audio only or video
+ // only).
+ var sourceBufferEmitter = // If there is more than one mime type
+ mimeTypes.length > 1 && // and the first mime type does not have muxed video and audio
+ mimeTypes[0].indexOf(',') === -1 && // and the two mime types are different (they can be the same in the case of audio
+ // only with alternate audio)
+ mimeTypes[0] !== mimeTypes[1] ? // then we want to wait on the second source buffer
+ new videojs$1.EventTarget() : // otherwise there is no need to wait as the content is either audio only,
+ // video only, or muxed content.
+ null;
+ this.mainSegmentLoader_.mimeType(mimeTypes[0], sourceBufferEmitter);
+
+ if (mimeTypes[1]) {
+ this.audioSegmentLoader_.mimeType(mimeTypes[1], sourceBufferEmitter);
+ }
+ }
+ /**
+ * Blacklists playlists with codecs that are unsupported by the browser.
+ */
+
+ }, {
+ key: 'excludeUnsupportedVariants_',
+ value: function excludeUnsupportedVariants_() {
+ this.master().playlists.forEach(function (variant) {
+ if (variant.attributes.CODECS && window$3.MediaSource && window$3.MediaSource.isTypeSupported && !window$3.MediaSource.isTypeSupported('video/mp4; codecs="' + mapLegacyAvcCodecs(variant.attributes.CODECS) + '"')) {
+ variant.excludeUntil = Infinity;
+ }
+ });
+ }
+ /**
+ * Blacklist playlists that are known to be codec or
+ * stream-incompatible with the SourceBuffer configuration. For
+ * instance, Media Source Extensions would cause the video element to
+ * stall waiting for video data if you switched from a variant with
+ * video and audio to an audio-only one.
+ *
+ * @param {Object} media a media playlist compatible with the current
+ * set of SourceBuffers. Variants in the current master playlist that
+ * do not appear to have compatible codec or stream configurations
+ * will be excluded from the default playlist selection algorithm
+ * indefinitely.
+ * @private
+ */
+
+ }, {
+ key: 'excludeIncompatibleVariants_',
+ value: function excludeIncompatibleVariants_(media) {
+ var codecCount = 2;
+ var videoCodec = null;
+ var codecs = void 0;
+
+ if (media.attributes.CODECS) {
+ codecs = parseCodecs(media.attributes.CODECS);
+ videoCodec = codecs.videoCodec;
+ codecCount = codecs.codecCount;
+ }
+
+ this.master().playlists.forEach(function (variant) {
+ var variantCodecs = {
+ codecCount: 2,
+ videoCodec: null
+ };
+
+ if (variant.attributes.CODECS) {
+ variantCodecs = parseCodecs(variant.attributes.CODECS);
+ } // if the streams differ in the presence or absence of audio or
+ // video, they are incompatible
+
+
+ if (variantCodecs.codecCount !== codecCount) {
+ variant.excludeUntil = Infinity;
+ } // if h.264 is specified on the current playlist, some flavor of
+ // it must be specified on all compatible variants
+
+
+ if (variantCodecs.videoCodec !== videoCodec) {
+ variant.excludeUntil = Infinity;
+ }
+ });
+ }
+ }, {
+ key: 'updateAdCues_',
+ value: function updateAdCues_(media) {
+ var offset = 0;
+ var seekable$$1 = this.seekable();
+
+ if (seekable$$1.length) {
+ offset = seekable$$1.start(0);
+ }
+
+ updateAdCues(media, this.cueTagsTrack_, offset);
+ }
+ /**
+ * Calculates the desired forward buffer length based on current time
+ *
+ * @return {Number} Desired forward buffer length in seconds
+ */
+
+ }, {
+ key: 'goalBufferLength',
+ value: function goalBufferLength() {
+ var currentTime = this.tech_.currentTime();
+ var initial = Config.GOAL_BUFFER_LENGTH;
+ var rate = Config.GOAL_BUFFER_LENGTH_RATE;
+ var max = Math.max(initial, Config.MAX_GOAL_BUFFER_LENGTH);
+ return Math.min(initial + currentTime * rate, max);
+ }
+ /**
+ * Calculates the desired buffer low water line based on current time
+ *
+ * @return {Number} Desired buffer low water line in seconds
+ */
+
+ }, {
+ key: 'bufferLowWaterLine',
+ value: function bufferLowWaterLine() {
+ var currentTime = this.tech_.currentTime();
+ var initial = Config.BUFFER_LOW_WATER_LINE;
+ var rate = Config.BUFFER_LOW_WATER_LINE_RATE;
+ var max = Math.max(initial, Config.MAX_BUFFER_LOW_WATER_LINE);
+ return Math.min(initial + currentTime * rate, max);
+ }
+ }]);
+ return MasterPlaylistController;
+ }(videojs$1.EventTarget);
+ /**
+ * Returns a function that acts as the Enable/disable playlist function.
+ *
+ * @param {PlaylistLoader} loader - The master playlist loader
+
+ * @param {string} playlistID - id of the playlist
+ * @param {Function} changePlaylistFn - A function to be called after a
+ * playlist's enabled-state has been changed. Will NOT be called if a
+ * playlist's enabled-state is unchanged
+ * @param {Boolean=} enable - Value to set the playlist enabled-state to
+ * or if undefined returns the current enabled-state for the playlist
+ * @return {Function} Function for setting/getting enabled
+ */
+
+
+ var enableFunction = function enableFunction(loader, playlistID, changePlaylistFn) {
+ return function (enable) {
+ var playlist = loader.master.playlists[playlistID];
+ var incompatible = isIncompatible(playlist);
+ var currentlyEnabled = isEnabled(playlist);
+
+ if (typeof enable === 'undefined') {
+ return currentlyEnabled;
+ }
+
+ if (enable) {
+ delete playlist.disabled;
+ } else {
+ playlist.disabled = true;
+ }
+
+ if (enable !== currentlyEnabled && !incompatible) {
+ // Ensure the outside world knows about our changes
+ changePlaylistFn();
+
+ if (enable) {
+ loader.trigger('renditionenabled');
+ } else {
+ loader.trigger('renditiondisabled');
+ }
+ }
+
+ return enable;
+ };
+ };
+ /**
+ * The representation object encapsulates the publicly visible information
+ * in a media playlist along with a setter/getter-type function (enabled)
+ * for changing the enabled-state of a particular playlist entry
+ *
+ * @class Representation
+ */
+
+
+ var Representation = function Representation(hlsHandler, playlist, id) {
+ classCallCheck$1(this, Representation);
+ var mpc = hlsHandler.masterPlaylistController_,
+ smoothQualityChange = hlsHandler.options_.smoothQualityChange; // Get a reference to a bound version of the quality change function
+
+ var changeType = smoothQualityChange ? 'smooth' : 'fast';
+ var qualityChangeFunction = mpc[changeType + 'QualityChange_'].bind(mpc); // some playlist attributes are optional
+
+ if (playlist.attributes.RESOLUTION) {
+ var resolution = playlist.attributes.RESOLUTION;
+ this.width = resolution.width;
+ this.height = resolution.height;
+ }
+
+ this.bandwidth = playlist.attributes.BANDWIDTH; // The id is simply the ordinality of the media playlist
+ // within the master playlist
+
+ this.id = id; // Partially-apply the enableFunction to create a playlist-
+ // specific variant
+
+ this.enabled = enableFunction(hlsHandler.playlists, playlist.id, qualityChangeFunction);
+ };
+ /**
+ * A mixin function that adds the `representations` api to an instance
+ * of the HlsHandler class
+ * @param {HlsHandler} hlsHandler - An instance of HlsHandler to add the
+ * representation API into
+ */
+
+
+ var renditionSelectionMixin = function renditionSelectionMixin(hlsHandler) {
+ var playlists = hlsHandler.playlists; // Add a single API-specific function to the HlsHandler instance
+
+ hlsHandler.representations = function () {
+ if (!playlists || !playlists.master || !playlists.master.playlists) {
+ return [];
+ }
+
+ return playlists.master.playlists.filter(function (media) {
+ return !isIncompatible(media);
+ }).map(function (e, i) {
+ return new Representation(hlsHandler, e, e.id);
+ });
+ };
+ };
+ /**
+ * @file playback-watcher.js
+ *
+ * Playback starts, and now my watch begins. It shall not end until my death. I shall
+ * take no wait, hold no uncleared timeouts, father no bad seeks. I shall wear no crowns
+ * and win no glory. I shall live and die at my post. I am the corrector of the underflow.
+ * I am the watcher of gaps. I am the shield that guards the realms of seekable. I pledge
+ * my life and honor to the Playback Watch, for this Player and all the Players to come.
+ */
+ // Set of events that reset the playback-watcher time check logic and clear the timeout
+
+
+ var timerCancelEvents = ['seeking', 'seeked', 'pause', 'playing', 'error'];
+ /**
+ * @class PlaybackWatcher
+ */
+
+ var PlaybackWatcher = function () {
+ /**
+ * Represents an PlaybackWatcher object.
+ * @constructor
+ * @param {object} options an object that includes the tech and settings
+ */
+ function PlaybackWatcher(options) {
+ var _this = this;
+
+ classCallCheck$1(this, PlaybackWatcher);
+ this.tech_ = options.tech;
+ this.seekable = options.seekable;
+ this.allowSeeksWithinUnsafeLiveWindow = options.allowSeeksWithinUnsafeLiveWindow;
+ this.media = options.media;
+ this.consecutiveUpdates = 0;
+ this.lastRecordedTime = null;
+ this.timer_ = null;
+ this.checkCurrentTimeTimeout_ = null;
+ this.logger_ = logger('PlaybackWatcher');
+ this.logger_('initialize');
+
+ var canPlayHandler = function canPlayHandler() {
+ return _this.monitorCurrentTime_();
+ };
+
+ var waitingHandler = function waitingHandler() {
+ return _this.techWaiting_();
+ };
+
+ var cancelTimerHandler = function cancelTimerHandler() {
+ return _this.cancelTimer_();
+ };
+
+ var fixesBadSeeksHandler = function fixesBadSeeksHandler() {
+ return _this.fixesBadSeeks_();
+ };
+
+ this.tech_.on('seekablechanged', fixesBadSeeksHandler);
+ this.tech_.on('waiting', waitingHandler);
+ this.tech_.on(timerCancelEvents, cancelTimerHandler);
+ this.tech_.on('canplay', canPlayHandler); // Define the dispose function to clean up our events
+
+ this.dispose = function () {
+ _this.logger_('dispose');
+
+ _this.tech_.off('seekablechanged', fixesBadSeeksHandler);
+
+ _this.tech_.off('waiting', waitingHandler);
+
+ _this.tech_.off(timerCancelEvents, cancelTimerHandler);
+
+ _this.tech_.off('canplay', canPlayHandler);
+
+ if (_this.checkCurrentTimeTimeout_) {
+ window$3.clearTimeout(_this.checkCurrentTimeTimeout_);
+ }
+
+ _this.cancelTimer_();
+ };
+ }
+ /**
+ * Periodically check current time to see if playback stopped
+ *
+ * @private
+ */
+
+
+ createClass$1(PlaybackWatcher, [{
+ key: 'monitorCurrentTime_',
+ value: function monitorCurrentTime_() {
+ this.checkCurrentTime_();
+
+ if (this.checkCurrentTimeTimeout_) {
+ window$3.clearTimeout(this.checkCurrentTimeTimeout_);
+ } // 42 = 24 fps // 250 is what Webkit uses // FF uses 15
+
+
+ this.checkCurrentTimeTimeout_ = window$3.setTimeout(this.monitorCurrentTime_.bind(this), 250);
+ }
+ /**
+ * The purpose of this function is to emulate the "waiting" event on
+ * browsers that do not emit it when they are waiting for more
+ * data to continue playback
+ *
+ * @private
+ */
+
+ }, {
+ key: 'checkCurrentTime_',
+ value: function checkCurrentTime_() {
+ if (this.tech_.seeking() && this.fixesBadSeeks_()) {
+ this.consecutiveUpdates = 0;
+ this.lastRecordedTime = this.tech_.currentTime();
+ return;
+ }
+
+ if (this.tech_.paused() || this.tech_.seeking()) {
+ return;
+ }
+
+ var currentTime = this.tech_.currentTime();
+ var buffered = this.tech_.buffered();
+
+ if (this.lastRecordedTime === currentTime && (!buffered.length || currentTime + SAFE_TIME_DELTA >= buffered.end(buffered.length - 1))) {
+ // If current time is at the end of the final buffered region, then any playback
+ // stall is most likely caused by buffering in a low bandwidth environment. The tech
+ // should fire a `waiting` event in this scenario, but due to browser and tech
+ // inconsistencies. Calling `techWaiting_` here allows us to simulate
+ // responding to a native `waiting` event when the tech fails to emit one.
+ return this.techWaiting_();
+ }
+
+ if (this.consecutiveUpdates >= 5 && currentTime === this.lastRecordedTime) {
+ this.consecutiveUpdates++;
+ this.waiting_();
+ } else if (currentTime === this.lastRecordedTime) {
+ this.consecutiveUpdates++;
+ } else {
+ this.consecutiveUpdates = 0;
+ this.lastRecordedTime = currentTime;
+ }
+ }
+ /**
+ * Cancels any pending timers and resets the 'timeupdate' mechanism
+ * designed to detect that we are stalled
+ *
+ * @private
+ */
+
+ }, {
+ key: 'cancelTimer_',
+ value: function cancelTimer_() {
+ this.consecutiveUpdates = 0;
+
+ if (this.timer_) {
+ this.logger_('cancelTimer_');
+ clearTimeout(this.timer_);
+ }
+
+ this.timer_ = null;
+ }
+ /**
+ * Fixes situations where there's a bad seek
+ *
+ * @return {Boolean} whether an action was taken to fix the seek
+ * @private
+ */
+
+ }, {
+ key: 'fixesBadSeeks_',
+ value: function fixesBadSeeks_() {
+ var seeking = this.tech_.seeking();
+
+ if (!seeking) {
+ return false;
+ }
+
+ var seekable = this.seekable();
+ var currentTime = this.tech_.currentTime();
+ var isAfterSeekableRange = this.afterSeekableWindow_(seekable, currentTime, this.media(), this.allowSeeksWithinUnsafeLiveWindow);
+ var seekTo = void 0;
+
+ if (isAfterSeekableRange) {
+ var seekableEnd = seekable.end(seekable.length - 1); // sync to live point (if VOD, our seekable was updated and we're simply adjusting)
+
+ seekTo = seekableEnd;
+ }
+
+ if (this.beforeSeekableWindow_(seekable, currentTime)) {
+ var seekableStart = seekable.start(0); // sync to the beginning of the live window
+ // provide a buffer of .1 seconds to handle rounding/imprecise numbers
+
+ seekTo = seekableStart + SAFE_TIME_DELTA;
+ }
+
+ if (typeof seekTo !== 'undefined') {
+ this.logger_('Trying to seek outside of seekable at time ' + currentTime + ' with ' + ('seekable range ' + printableRange(seekable) + '. Seeking to ') + (seekTo + '.'));
+ this.tech_.setCurrentTime(seekTo);
+ return true;
+ }
+
+ return false;
+ }
+ /**
+ * Handler for situations when we determine the player is waiting.
+ *
+ * @private
+ */
+
+ }, {
+ key: 'waiting_',
+ value: function waiting_() {
+ if (this.techWaiting_()) {
+ return;
+ } // All tech waiting checks failed. Use last resort correction
+
+
+ var currentTime = this.tech_.currentTime();
+ var buffered = this.tech_.buffered();
+ var currentRange = findRange(buffered, currentTime); // Sometimes the player can stall for unknown reasons within a contiguous buffered
+ // region with no indication that anything is amiss (seen in Firefox). Seeking to
+ // currentTime is usually enough to kickstart the player. This checks that the player
+ // is currently within a buffered region before attempting a corrective seek.
+ // Chrome does not appear to continue `timeupdate` events after a `waiting` event
+ // until there is ~ 3 seconds of forward buffer available. PlaybackWatcher should also
+ // make sure there is ~3 seconds of forward buffer before taking any corrective action
+ // to avoid triggering an `unknownwaiting` event when the network is slow.
+
+ if (currentRange.length && currentTime + 3 <= currentRange.end(0)) {
+ this.cancelTimer_();
+ this.tech_.setCurrentTime(currentTime);
+ this.logger_('Stopped at ' + currentTime + ' while inside a buffered region ' + ('[' + currentRange.start(0) + ' -> ' + currentRange.end(0) + ']. Attempting to resume ') + 'playback by seeking to the current time.'); // unknown waiting corrections may be useful for monitoring QoS
+
+ this.tech_.trigger({
+ type: 'usage',
+ name: 'hls-unknown-waiting'
+ });
+ return;
+ }
+ }
+ /**
+ * Handler for situations when the tech fires a `waiting` event
+ *
+ * @return {Boolean}
+ * True if an action (or none) was needed to correct the waiting. False if no
+ * checks passed
+ * @private
+ */
+
+ }, {
+ key: 'techWaiting_',
+ value: function techWaiting_() {
+ var seekable = this.seekable();
+ var currentTime = this.tech_.currentTime();
+
+ if (this.tech_.seeking() && this.fixesBadSeeks_()) {
+ // Tech is seeking or bad seek fixed, no action needed
+ return true;
+ }
+
+ if (this.tech_.seeking() || this.timer_ !== null) {
+ // Tech is seeking or already waiting on another action, no action needed
+ return true;
+ }
+
+ if (this.beforeSeekableWindow_(seekable, currentTime)) {
+ var livePoint = seekable.end(seekable.length - 1);
+ this.logger_('Fell out of live window at time ' + currentTime + '. Seeking to ' + ('live point (seekable end) ' + livePoint));
+ this.cancelTimer_();
+ this.tech_.setCurrentTime(livePoint); // live window resyncs may be useful for monitoring QoS
+
+ this.tech_.trigger({
+ type: 'usage',
+ name: 'hls-live-resync'
+ });
+ return true;
+ }
+
+ var buffered = this.tech_.buffered();
+ var nextRange = findNextRange(buffered, currentTime);
+
+ if (this.videoUnderflow_(nextRange, buffered, currentTime)) {
+ // Even though the video underflowed and was stuck in a gap, the audio overplayed
+ // the gap, leading currentTime into a buffered range. Seeking to currentTime
+ // allows the video to catch up to the audio position without losing any audio
+ // (only suffering ~3 seconds of frozen video and a pause in audio playback).
+ this.cancelTimer_();
+ this.tech_.setCurrentTime(currentTime); // video underflow may be useful for monitoring QoS
+
+ this.tech_.trigger({
+ type: 'usage',
+ name: 'hls-video-underflow'
+ });
+ return true;
+ } // check for gap
+
+
+ if (nextRange.length > 0) {
+ var difference = nextRange.start(0) - currentTime;
+ this.logger_('Stopped at ' + currentTime + ', setting timer for ' + difference + ', seeking ' + ('to ' + nextRange.start(0)));
+ this.timer_ = setTimeout(this.skipTheGap_.bind(this), difference * 1000, currentTime);
+ return true;
+ } // All checks failed. Returning false to indicate failure to correct waiting
+
+
+ return false;
+ }
+ }, {
+ key: 'afterSeekableWindow_',
+ value: function afterSeekableWindow_(seekable, currentTime, playlist) {
+ var allowSeeksWithinUnsafeLiveWindow = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
+
+ if (!seekable.length) {
+ // we can't make a solid case if there's no seekable, default to false
+ return false;
+ }
+
+ var allowedEnd = seekable.end(seekable.length - 1) + SAFE_TIME_DELTA;
+ var isLive = !playlist.endList;
+
+ if (isLive && allowSeeksWithinUnsafeLiveWindow) {
+ allowedEnd = seekable.end(seekable.length - 1) + playlist.targetDuration * 3;
+ }
+
+ if (currentTime > allowedEnd) {
+ return true;
+ }
+
+ return false;
+ }
+ }, {
+ key: 'beforeSeekableWindow_',
+ value: function beforeSeekableWindow_(seekable, currentTime) {
+ if (seekable.length && // can't fall before 0 and 0 seekable start identifies VOD stream
+ seekable.start(0) > 0 && currentTime < seekable.start(0) - SAFE_TIME_DELTA) {
+ return true;
+ }
+
+ return false;
+ }
+ }, {
+ key: 'videoUnderflow_',
+ value: function videoUnderflow_(nextRange, buffered, currentTime) {
+ if (nextRange.length === 0) {
+ // Even if there is no available next range, there is still a possibility we are
+ // stuck in a gap due to video underflow.
+ var gap = this.gapFromVideoUnderflow_(buffered, currentTime);
+
+ if (gap) {
+ this.logger_('Encountered a gap in video from ' + gap.start + ' to ' + gap.end + '. ' + ('Seeking to current time ' + currentTime));
+ return true;
+ }
+ }
-/**
- * Add a function hook that will only run once to a specific videojs lifecycle.
- *
- * @param {string} type
- * the lifecycle to hook the function to.
- *
- * @param {Function|Function[]}
- * The function or array of functions to attach.
- */
-videojs.hookOnce = function (type, fn) {
- videojs.hooks(type, [].concat(fn).map(function (original) {
- var wrapper = function wrapper() {
- videojs.removeHook(type, wrapper);
- return original.apply(undefined, arguments);
+ return false;
+ }
+ /**
+ * Timer callback. If playback still has not proceeded, then we seek
+ * to the start of the next buffered region.
+ *
+ * @private
+ */
+
+ }, {
+ key: 'skipTheGap_',
+ value: function skipTheGap_(scheduledCurrentTime) {
+ var buffered = this.tech_.buffered();
+ var currentTime = this.tech_.currentTime();
+ var nextRange = findNextRange(buffered, currentTime);
+ this.cancelTimer_();
+
+ if (nextRange.length === 0 || currentTime !== scheduledCurrentTime) {
+ return;
+ }
+
+ this.logger_('skipTheGap_:', 'currentTime:', currentTime, 'scheduled currentTime:', scheduledCurrentTime, 'nextRange start:', nextRange.start(0)); // only seek if we still have not played
+
+ this.tech_.setCurrentTime(nextRange.start(0) + TIME_FUDGE_FACTOR);
+ this.tech_.trigger({
+ type: 'usage',
+ name: 'hls-gap-skip'
+ });
+ }
+ }, {
+ key: 'gapFromVideoUnderflow_',
+ value: function gapFromVideoUnderflow_(buffered, currentTime) {
+ // At least in Chrome, if there is a gap in the video buffer, the audio will continue
+ // playing for ~3 seconds after the video gap starts. This is done to account for
+ // video buffer underflow/underrun (note that this is not done when there is audio
+ // buffer underflow/underrun -- in that case the video will stop as soon as it
+ // encounters the gap, as audio stalls are more noticeable/jarring to a user than
+ // video stalls). The player's time will reflect the playthrough of audio, so the
+ // time will appear as if we are in a buffered region, even if we are stuck in a
+ // "gap."
+ //
+ // Example:
+ // video buffer: 0 => 10.1, 10.2 => 20
+ // audio buffer: 0 => 20
+ // overall buffer: 0 => 10.1, 10.2 => 20
+ // current time: 13
+ //
+ // Chrome's video froze at 10 seconds, where the video buffer encountered the gap,
+ // however, the audio continued playing until it reached ~3 seconds past the gap
+ // (13 seconds), at which point it stops as well. Since current time is past the
+ // gap, findNextRange will return no ranges.
+ //
+ // To check for this issue, we see if there is a gap that starts somewhere within
+ // a 3 second range (3 seconds +/- 1 second) back from our current time.
+ var gaps = findGaps(buffered);
+
+ for (var i = 0; i < gaps.length; i++) {
+ var start = gaps.start(i);
+ var end = gaps.end(i); // gap is starts no more than 4 seconds back
+
+ if (currentTime - start < 4 && currentTime - start > 2) {
+ return {
+ start: start,
+ end: end
+ };
+ }
+ }
+
+ return null;
+ }
+ }]);
+ return PlaybackWatcher;
+ }();
+
+ var defaultOptions = {
+ errorInterval: 30,
+ getSource: function getSource(next) {
+ var tech = this.tech({
+ IWillNotUseThisInPlugins: true
+ });
+ var sourceObj = tech.currentSource_;
+ return next(sourceObj);
+ }
+ };
+ /**
+ * Main entry point for the plugin
+ *
+ * @param {Player} player a reference to a videojs Player instance
+ * @param {Object} [options] an object with plugin options
+ * @private
+ */
+
+ var initPlugin = function initPlugin(player, options) {
+ var lastCalled = 0;
+ var seekTo = 0;
+ var localOptions = videojs$1.mergeOptions(defaultOptions, options);
+ player.ready(function () {
+ player.trigger({
+ type: 'usage',
+ name: 'hls-error-reload-initialized'
+ });
+ });
+ /**
+ * Player modifications to perform that must wait until `loadedmetadata`
+ * has been triggered
+ *
+ * @private
+ */
+
+ var loadedMetadataHandler = function loadedMetadataHandler() {
+ if (seekTo) {
+ player.currentTime(seekTo);
+ }
};
+ /**
+ * Set the source on the player element, play, and seek if necessary
+ *
+ * @param {Object} sourceObj An object specifying the source url and mime-type to play
+ * @private
+ */
- return wrapper;
- }));
-};
-/**
- * Remove a hook from a specific videojs lifecycle.
- *
- * @param {string} type
- * the lifecycle that the function hooked to
- *
- * @param {Function} fn
- * The hooked function to remove
- *
- * @return {boolean}
- * The function that was removed or undef
- */
-videojs.removeHook = function (type, fn) {
- var index = videojs.hooks(type).indexOf(fn);
+ var setSource = function setSource(sourceObj) {
+ if (sourceObj === null || sourceObj === undefined) {
+ return;
+ }
- if (index <= -1) {
- return false;
- }
+ seekTo = player.duration() !== Infinity && player.currentTime() || 0;
+ player.one('loadedmetadata', loadedMetadataHandler);
+ player.src(sourceObj);
+ player.trigger({
+ type: 'usage',
+ name: 'hls-error-reload'
+ });
+ player.play();
+ };
+ /**
+ * Attempt to get a source from either the built-in getSource function
+ * or a custom function provided via the options
+ *
+ * @private
+ */
- videojs.hooks_[type] = videojs.hooks_[type].slice();
- videojs.hooks_[type].splice(index, 1);
- return true;
-};
+ var errorHandler = function errorHandler() {
+ // Do not attempt to reload the source if a source-reload occurred before
+ // 'errorInterval' time has elapsed since the last source-reload
+ if (Date.now() - lastCalled < localOptions.errorInterval * 1000) {
+ player.trigger({
+ type: 'usage',
+ name: 'hls-error-reload-canceled'
+ });
+ return;
+ }
+
+ if (!localOptions.getSource || typeof localOptions.getSource !== 'function') {
+ videojs$1.log.error('ERROR: reloadSourceOnError - The option getSource must be a function!');
+ return;
+ }
+
+ lastCalled = Date.now();
+ return localOptions.getSource.call(player, setSource);
+ };
+ /**
+ * Unbind any event handlers that were bound by the plugin
+ *
+ * @private
+ */
+
+
+ var cleanupEvents = function cleanupEvents() {
+ player.off('loadedmetadata', loadedMetadataHandler);
+ player.off('error', errorHandler);
+ player.off('dispose', cleanupEvents);
+ };
+ /**
+ * Cleanup before re-initializing the plugin
+ *
+ * @param {Object} [newOptions] an object with plugin options
+ * @private
+ */
+
+
+ var reinitPlugin = function reinitPlugin(newOptions) {
+ cleanupEvents();
+ initPlugin(player, newOptions);
+ };
+
+ player.on('error', errorHandler);
+ player.on('dispose', cleanupEvents); // Overwrite the plugin function so that we can correctly cleanup before
+ // initializing the plugin
+
+ player.reloadSourceOnError = reinitPlugin;
+ };
+ /**
+ * Reload the source when an error is detected as long as there
+ * wasn't an error previously within the last 30 seconds
+ *
+ * @param {Object} [options] an object with plugin options
+ */
+
+
+ var reloadSourceOnError = function reloadSourceOnError(options) {
+ initPlugin(this, options);
+ };
+
+ var version$1 = "1.13.2";
+ /**
+ * @file videojs-http-streaming.js
+ *
+ * The main file for the HLS project.
+ * License: https://github.com/videojs/videojs-http-streaming/blob/master/LICENSE
+ */
+
+ var Hls$1 = {
+ PlaylistLoader: PlaylistLoader,
+ Playlist: Playlist,
+ Decrypter: Decrypter,
+ AsyncStream: AsyncStream,
+ decrypt: decrypt,
+ utils: utils$1,
+ STANDARD_PLAYLIST_SELECTOR: lastBandwidthSelector,
+ INITIAL_PLAYLIST_SELECTOR: lowestBitrateCompatibleVariantSelector,
+ comparePlaylistBandwidth: comparePlaylistBandwidth,
+ comparePlaylistResolution: comparePlaylistResolution,
+ xhr: xhrFactory()
+ }; // Define getter/setters for config properites
+
+ ['GOAL_BUFFER_LENGTH', 'MAX_GOAL_BUFFER_LENGTH', 'GOAL_BUFFER_LENGTH_RATE', 'BUFFER_LOW_WATER_LINE', 'MAX_BUFFER_LOW_WATER_LINE', 'BUFFER_LOW_WATER_LINE_RATE', 'BANDWIDTH_VARIANCE'].forEach(function (prop) {
+ Object.defineProperty(Hls$1, prop, {
+ get: function get$$1() {
+ videojs$1.log.warn('using Hls.' + prop + ' is UNSAFE be sure you know what you are doing');
+ return Config[prop];
+ },
+ set: function set$$1(value) {
+ videojs$1.log.warn('using Hls.' + prop + ' is UNSAFE be sure you know what you are doing');
+
+ if (typeof value !== 'number' || value < 0) {
+ videojs$1.log.warn('value of Hls.' + prop + ' must be greater than or equal to 0');
+ return;
+ }
-// Add default styles
-if (window_1.VIDEOJS_NO_DYNAMIC_STYLE !== true && isReal()) {
- var style = $('.vjs-styles-defaults');
+ Config[prop] = value;
+ }
+ });
+ });
+ var LOCAL_STORAGE_KEY$1 = 'videojs-vhs';
- if (!style) {
- style = createStyleElement('vjs-styles-defaults');
- var head = $('head');
+ var simpleTypeFromSourceType = function simpleTypeFromSourceType(type) {
+ var mpegurlRE = /^(audio|video|application)\/(x-|vnd\.apple\.)?mpegurl/i;
- if (head) {
- head.insertBefore(style, head.firstChild);
+ if (mpegurlRE.test(type)) {
+ return 'hls';
}
- setTextContent(style, '\n .video-js {\n width: 300px;\n height: 150px;\n }\n\n .vjs-fluid {\n padding-top: 56.25%\n }\n ');
- }
-}
-// Run Auto-load players
-// You have to wait at least once in case this script is loaded after your
-// video in the DOM (weird behavior only with minified version)
-autoSetupTimeout(1, videojs);
+ var dashRE = /^application\/dash\+xml/i;
-/**
- * Current software version. Follows semver.
- *
- * @type {string}
- */
-videojs.VERSION = version;
+ if (dashRE.test(type)) {
+ return 'dash';
+ }
-/**
- * The global options object. These are the settings that take effect
- * if no overrides are specified when the player is created.
- *
- * @type {Object}
- */
-videojs.options = Player.prototype.options_;
+ return null;
+ };
+ /**
+ * Updates the selectedIndex of the QualityLevelList when a mediachange happens in hls.
+ *
+ * @param {QualityLevelList} qualityLevels The QualityLevelList to update.
+ * @param {PlaylistLoader} playlistLoader PlaylistLoader containing the new media info.
+ * @function handleHlsMediaChange
+ */
-/**
- * Get an object with the currently created players, keyed by player ID
- *
- * @return {Object}
- * The created players
- */
-videojs.getPlayers = function () {
- return Player.players;
-};
-/**
- * Get a single player based on an ID or DOM element.
- *
- * This is useful if you want to check if an element or ID has an associated
- * Video.js player, but not create one if it doesn't.
- *
- * @param {string|Element} id
- * An HTML element - `<video>`, `<audio>`, or `<video-js>` -
- * or a string matching the `id` of such an element.
- *
- * @returns {Player|undefined}
- * A player instance or `undefined` if there is no player instance
- * matching the argument.
- */
-videojs.getPlayer = function (id) {
- var players = Player.players;
- var tag = void 0;
+ var handleHlsMediaChange = function handleHlsMediaChange(qualityLevels, playlistLoader) {
+ var newPlaylist = playlistLoader.media();
+ var selectedIndex = -1;
- if (typeof id === 'string') {
- var nId = normalizeId(id);
- var player = players[nId];
+ for (var i = 0; i < qualityLevels.length; i++) {
+ if (qualityLevels[i].id === newPlaylist.id) {
+ selectedIndex = i;
+ break;
+ }
+ }
- if (player) {
- return player;
+ qualityLevels.selectedIndex_ = selectedIndex;
+ qualityLevels.trigger({
+ selectedIndex: selectedIndex,
+ type: 'change'
+ });
+ };
+ /**
+ * Adds quality levels to list once playlist metadata is available
+ *
+ * @param {QualityLevelList} qualityLevels The QualityLevelList to attach events to.
+ * @param {Object} hls Hls object to listen to for media events.
+ * @function handleHlsLoadedMetadata
+ */
+
+
+ var handleHlsLoadedMetadata = function handleHlsLoadedMetadata(qualityLevels, hls) {
+ hls.representations().forEach(function (rep) {
+ qualityLevels.addQualityLevel(rep);
+ });
+ handleHlsMediaChange(qualityLevels, hls.playlists);
+ }; // HLS is a source handler, not a tech. Make sure attempts to use it
+ // as one do not cause exceptions.
+
+
+ Hls$1.canPlaySource = function () {
+ return videojs$1.log.warn('HLS is no longer a tech. Please remove it from ' + 'your player\'s techOrder.');
+ };
+
+ var emeKeySystems = function emeKeySystems(keySystemOptions, mainSegmentLoader, audioSegmentLoader) {
+ if (!keySystemOptions) {
+ return keySystemOptions;
}
- tag = $('#' + nId);
- } else {
- tag = id;
- }
+ var videoMimeType = void 0;
+ var audioMimeType = void 0; // if there is a mimeType associated with the audioSegmentLoader, then the audio
+ // and video mimeType and codec strings are already in the format we need to
+ // pass with the other key systems
+
+ if (audioSegmentLoader.mimeType_) {
+ videoMimeType = mainSegmentLoader.mimeType_;
+ audioMimeType = audioSegmentLoader.mimeType_; // if there is no audioSegmentLoader mimeType, then we have to create the
+ // the audio and video mimeType/codec strings from information extrapolated
+ // from the mainSegmentLoader mimeType (ex. 'video/mp4; codecs="mp4, avc1"' -->
+ // 'video/mp4; codecs="avc1"' and 'audio/mp4; codecs="mp4"')
+ } else {
+ var parsedMimeType = parseContentType(mainSegmentLoader.mimeType_);
+ var codecs = parsedMimeType.parameters.codecs.split(',');
+ var audioCodec = void 0;
+ var videoCodec = void 0;
+ codecs.forEach(function (codec) {
+ codec = codec.trim();
+
+ if (isAudioCodec(codec)) {
+ audioCodec = codec;
+ } else if (isVideoCodec(codec)) {
+ videoCodec = codec;
+ }
+ });
+ videoMimeType = parsedMimeType.type + '; codecs="' + videoCodec + '"';
+ audioMimeType = parsedMimeType.type.replace('video', 'audio') + '; codecs="' + audioCodec + '"';
+ } // upsert the content types based on the selected playlist
+
+
+ var keySystemContentTypes = {};
+ var videoPlaylist = mainSegmentLoader.playlist_;
+
+ for (var keySystem in keySystemOptions) {
+ keySystemContentTypes[keySystem] = {
+ audioContentType: audioMimeType,
+ videoContentType: videoMimeType
+ };
- if (isEl(tag)) {
- var _tag = tag,
- _player = _tag.player,
- playerId = _tag.playerId;
+ if (videoPlaylist.contentProtection && videoPlaylist.contentProtection[keySystem] && videoPlaylist.contentProtection[keySystem].pssh) {
+ keySystemContentTypes[keySystem].pssh = videoPlaylist.contentProtection[keySystem].pssh;
+ } // videojs-contrib-eme accepts the option of specifying: 'com.some.cdm': 'url'
+ // so we need to prevent overwriting the URL entirely
- // Element may have a `player` property referring to an already created
- // player instance. If so, return that.
- if (_player || players[playerId]) {
- return _player || players[playerId];
+ if (typeof keySystemOptions[keySystem] === 'string') {
+ keySystemContentTypes[keySystem].url = keySystemOptions[keySystem];
+ }
}
- }
-};
-/**
- * Returns an array of all current players.
- *
- * @return {Array}
- * An array of all players. The array will be in the order that
- * `Object.keys` provides, which could potentially vary between
- * JavaScript engines.
- *
- */
-videojs.getAllPlayers = function () {
- return (
+ return videojs$1.mergeOptions(keySystemOptions, keySystemContentTypes);
+ };
- // Disposed players leave a key with a `null` value, so we need to make sure
- // we filter those out.
- Object.keys(Player.players).map(function (k) {
- return Player.players[k];
- }).filter(Boolean)
- );
-};
+ var setupEmeOptions = function setupEmeOptions(hlsHandler) {
+ var mainSegmentLoader = hlsHandler.masterPlaylistController_.mainSegmentLoader_;
+ var audioSegmentLoader = hlsHandler.masterPlaylistController_.audioSegmentLoader_;
+ var player = videojs$1.players[hlsHandler.tech_.options_.playerId];
-/**
- * Expose players object.
- *
- * @memberOf videojs
- * @property {Object} players
- */
-videojs.players = Player.players;
+ if (player.eme) {
+ var sourceOptions = emeKeySystems(hlsHandler.source_.keySystems, mainSegmentLoader, audioSegmentLoader);
-/**
- * Get a component class object by name
- *
- * @borrows Component.getComponent as videojs.getComponent
- */
-videojs.getComponent = Component.getComponent;
+ if (sourceOptions) {
+ player.currentSource().keySystems = sourceOptions; // Works around https://bugs.chromium.org/p/chromium/issues/detail?id=895449
+ // in non-IE11 browsers. In IE11 this is too early to initialize media keys
-/**
- * Register a component so it can referred to by name. Used when adding to other
- * components, either through addChild `component.addChild('myComponent')` or through
- * default children options `{ children: ['myComponent'] }`.
- *
- * > NOTE: You could also just initialize the component before adding.
- * `component.addChild(new MyComponent());`
- *
- * @param {string} name
- * The class name of the component
- *
- * @param {Component} comp
- * The component class
- *
- * @return {Component}
- * The newly registered component
- */
-videojs.registerComponent = function (name$$1, comp) {
- if (Tech.isTech(comp)) {
- log$1.warn('The ' + name$$1 + ' tech was registered as a component. It should instead be registered using videojs.registerTech(name, tech)');
- }
+ if (!(videojs$1.browser.IE_VERSION === 11) && player.eme.initializeMediaKeys) {
+ player.eme.initializeMediaKeys();
+ }
+ }
+ }
+ };
+
+ var getVhsLocalStorage = function getVhsLocalStorage() {
+ if (!window.localStorage) {
+ return null;
+ }
+
+ var storedObject = window.localStorage.getItem(LOCAL_STORAGE_KEY$1);
+
+ if (!storedObject) {
+ return null;
+ }
+
+ try {
+ return JSON.parse(storedObject);
+ } catch (e) {
+ // someone may have tampered with the value
+ return null;
+ }
+ };
+
+ var updateVhsLocalStorage = function updateVhsLocalStorage(options) {
+ if (!window.localStorage) {
+ return false;
+ }
+
+ var objectToStore = getVhsLocalStorage();
+ objectToStore = objectToStore ? videojs$1.mergeOptions(objectToStore, options) : options;
+
+ try {
+ window.localStorage.setItem(LOCAL_STORAGE_KEY$1, JSON.stringify(objectToStore));
+ } catch (e) {
+ // Throws if storage is full (e.g., always on iOS 5+ Safari private mode, where
+ // storage is set to 0).
+ // https://developer.mozilla.org/en-US/docs/Web/API/Storage/setItem#Exceptions
+ // No need to perform any operation.
+ return false;
+ }
+
+ return objectToStore;
+ };
+ /**
+ * Whether the browser has built-in HLS support.
+ */
+
+
+ Hls$1.supportsNativeHls = function () {
+ var video = document.createElement('video'); // native HLS is definitely not supported if HTML5 video isn't
+
+ if (!videojs$1.getTech('Html5').isSupported()) {
+ return false;
+ } // HLS manifests can go by many mime-types
+
+
+ var canPlay = [// Apple santioned
+ 'application/vnd.apple.mpegurl', // Apple sanctioned for backwards compatibility
+ 'audio/mpegurl', // Very common
+ 'audio/x-mpegurl', // Very common
+ 'application/x-mpegurl', // Included for completeness
+ 'video/x-mpegurl', 'video/mpegurl', 'application/mpegurl'];
+ return canPlay.some(function (canItPlay) {
+ return /maybe|probably/i.test(video.canPlayType(canItPlay));
+ });
+ }();
+
+ Hls$1.supportsNativeDash = function () {
+ if (!videojs$1.getTech('Html5').isSupported()) {
+ return false;
+ }
+
+ return /maybe|probably/i.test(document.createElement('video').canPlayType('application/dash+xml'));
+ }();
+
+ Hls$1.supportsTypeNatively = function (type) {
+ if (type === 'hls') {
+ return Hls$1.supportsNativeHls;
+ }
+
+ if (type === 'dash') {
+ return Hls$1.supportsNativeDash;
+ }
+
+ return false;
+ };
+ /**
+ * HLS is a source handler, not a tech. Make sure attempts to use it
+ * as one do not cause exceptions.
+ */
+
+
+ Hls$1.isSupported = function () {
+ return videojs$1.log.warn('HLS is no longer a tech. Please remove it from ' + 'your player\'s techOrder.');
+ };
+
+ var Component$1 = videojs$1.getComponent('Component');
+ /**
+ * The Hls Handler object, where we orchestrate all of the parts
+ * of HLS to interact with video.js
+ *
+ * @class HlsHandler
+ * @extends videojs.Component
+ * @param {Object} source the soruce object
+ * @param {Tech} tech the parent tech object
+ * @param {Object} options optional and required options
+ */
+
+ var HlsHandler = function (_Component) {
+ inherits$2(HlsHandler, _Component);
+
+ function HlsHandler(source, tech, options) {
+ classCallCheck$1(this, HlsHandler); // tech.player() is deprecated but setup a reference to HLS for
+ // backwards-compatibility
+
+ var _this = possibleConstructorReturn$1(this, (HlsHandler.__proto__ || Object.getPrototypeOf(HlsHandler)).call(this, tech, options.hls));
+
+ if (tech.options_ && tech.options_.playerId) {
+ var _player = videojs$1(tech.options_.playerId);
+
+ if (!_player.hasOwnProperty('hls')) {
+ Object.defineProperty(_player, 'hls', {
+ get: function get$$1() {
+ videojs$1.log.warn('player.hls is deprecated. Use player.tech().hls instead.');
+ tech.trigger({
+ type: 'usage',
+ name: 'hls-player-access'
+ });
+ return _this;
+ },
+ configurable: true
+ });
+ } // Set up a reference to the HlsHandler from player.vhs. This allows users to start
+ // migrating from player.tech_.hls... to player.vhs... for API access. Although this
+ // isn't the most appropriate form of reference for video.js (since all APIs should
+ // be provided through core video.js), it is a common pattern for plugins, and vhs
+ // will act accordingly.
+
+
+ _player.vhs = _this; // deprecated, for backwards compatibility
+
+ _player.dash = _this;
+ _this.player_ = _player;
+ }
+
+ _this.tech_ = tech;
+ _this.source_ = source;
+ _this.stats = {};
+ _this.ignoreNextSeekingEvent_ = false;
+
+ _this.setOptions_();
+
+ if (_this.options_.overrideNative && tech.overrideNativeAudioTracks && tech.overrideNativeVideoTracks) {
+ tech.overrideNativeAudioTracks(true);
+ tech.overrideNativeVideoTracks(true);
+ } else if (_this.options_.overrideNative && (tech.featuresNativeVideoTracks || tech.featuresNativeAudioTracks)) {
+ // overriding native HLS only works if audio tracks have been emulated
+ // error early if we're misconfigured
+ throw new Error('Overriding native HLS requires emulated tracks. ' + 'See https://git.io/vMpjB');
+ } // listen for fullscreenchange events for this player so that we
+ // can adjust our quality selection quickly
+
+
+ _this.on(document, ['fullscreenchange', 'webkitfullscreenchange', 'mozfullscreenchange', 'MSFullscreenChange'], function (event) {
+ var fullscreenElement = document.fullscreenElement || document.webkitFullscreenElement || document.mozFullScreenElement || document.msFullscreenElement;
+
+ if (fullscreenElement && fullscreenElement.contains(_this.tech_.el())) {
+ _this.masterPlaylistController_.smoothQualityChange_();
+ }
+ });
+
+ _this.on(_this.tech_, 'seeking', function () {
+ if (this.ignoreNextSeekingEvent_) {
+ this.ignoreNextSeekingEvent_ = false;
+ return;
+ }
+
+ this.setCurrentTime(this.tech_.currentTime());
+ });
- Component.registerComponent.call(Component, name$$1, comp);
-};
+ _this.on(_this.tech_, 'error', function () {
+ if (this.masterPlaylistController_) {
+ this.masterPlaylistController_.pauseLoading();
+ }
+ });
-/**
- * Get a Tech class object by name
- *
- * @borrows Tech.getTech as videojs.getTech
- */
-videojs.getTech = Tech.getTech;
+ _this.on(_this.tech_, 'play', _this.play);
-/**
- * Register a Tech so it can referred to by name.
- * This is used in the tech order for the player.
- *
- * @borrows Tech.registerTech as videojs.registerTech
- */
-videojs.registerTech = Tech.registerTech;
+ return _this;
+ }
-/**
- * Register a middleware to a source type.
- *
- * @param {String} type A string representing a MIME type.
- * @param {function(player):object} middleware A middleware factory that takes a player.
- */
-videojs.use = use;
+ createClass$1(HlsHandler, [{
+ key: 'setOptions_',
+ value: function setOptions_() {
+ var _this2 = this; // defaults
-/**
- * An object that can be returned by a middleware to signify
- * that the middleware is being terminated.
- *
- * @type {object}
- * @memberOf {videojs}
- * @property {object} middleware.TERMINATOR
- */
-// Object.defineProperty is not available in IE8
-if (!IS_IE8 && Object.defineProperty) {
- Object.defineProperty(videojs, 'middleware', {
- value: {},
- writeable: false,
- enumerable: true
- });
- Object.defineProperty(videojs.middleware, 'TERMINATOR', {
- value: TERMINATOR,
- writeable: false,
- enumerable: true
- });
-} else {
- videojs.middleware = { TERMINATOR: TERMINATOR };
-}
+ this.options_.withCredentials = this.options_.withCredentials || false;
+ this.options_.handleManifestRedirects = this.options_.handleManifestRedirects || false;
+ this.options_.limitRenditionByPlayerDimensions = this.options_.limitRenditionByPlayerDimensions === false ? false : true;
+ this.options_.useDevicePixelRatio = this.options_.useDevicePixelRatio || false;
+ this.options_.smoothQualityChange = this.options_.smoothQualityChange || false;
+ this.options_.useBandwidthFromLocalStorage = typeof this.source_.useBandwidthFromLocalStorage !== 'undefined' ? this.source_.useBandwidthFromLocalStorage : this.options_.useBandwidthFromLocalStorage || false;
+ this.options_.customTagParsers = this.options_.customTagParsers || [];
+ this.options_.customTagMappers = this.options_.customTagMappers || [];
+ this.options_.cacheEncryptionKeys = this.options_.cacheEncryptionKeys || false;
-/**
- * A suite of browser and device tests from {@link browser}.
- *
- * @type {Object}
- * @private
- */
-videojs.browser = browser;
+ if (typeof this.options_.blacklistDuration !== 'number') {
+ this.options_.blacklistDuration = 5 * 60;
+ }
-/**
- * Whether or not the browser supports touch events. Included for backward
- * compatibility with 4.x, but deprecated. Use `videojs.browser.TOUCH_ENABLED`
- * instead going forward.
- *
- * @deprecated since version 5.0
- * @type {boolean}
- */
-videojs.TOUCH_ENABLED = TOUCH_ENABLED;
+ if (typeof this.options_.bandwidth !== 'number') {
+ if (this.options_.useBandwidthFromLocalStorage) {
+ var storedObject = getVhsLocalStorage();
-/**
- * Subclass an existing class
- * Mimics ES6 subclassing with the `extend` keyword
- *
- * @borrows extend:extendFn as videojs.extend
- */
-videojs.extend = extendFn;
+ if (storedObject && storedObject.bandwidth) {
+ this.options_.bandwidth = storedObject.bandwidth;
+ this.tech_.trigger({
+ type: 'usage',
+ name: 'hls-bandwidth-from-local-storage'
+ });
+ }
-/**
- * Merge two options objects recursively
- * Performs a deep merge like lodash.merge but **only merges plain objects**
- * (not arrays, elements, anything else)
- * Other values will be copied directly from the second object.
- *
- * @borrows merge-options:mergeOptions as videojs.mergeOptions
- */
-videojs.mergeOptions = mergeOptions;
+ if (storedObject && storedObject.throughput) {
+ this.options_.throughput = storedObject.throughput;
+ this.tech_.trigger({
+ type: 'usage',
+ name: 'hls-throughput-from-local-storage'
+ });
+ }
+ }
+ } // if bandwidth was not set by options or pulled from local storage, start playlist
+ // selection at a reasonable bandwidth
-/**
- * Change the context (this) of a function
- *
- * > NOTE: as of v5.0 we require an ES5 shim, so you should use the native
- * `function() {}.bind(newContext);` instead of this.
- *
- * @borrows fn:bind as videojs.bind
- */
-videojs.bind = bind;
-/**
- * Register a Video.js plugin.
- *
- * @borrows plugin:registerPlugin as videojs.registerPlugin
- * @method registerPlugin
- *
- * @param {string} name
- * The name of the plugin to be registered. Must be a string and
- * must not match an existing plugin or a method on the `Player`
- * prototype.
- *
- * @param {Function} plugin
- * A sub-class of `Plugin` or a function for basic plugins.
- *
- * @return {Function}
- * For advanced plugins, a factory function for that plugin. For
- * basic plugins, a wrapper function that initializes the plugin.
- */
-videojs.registerPlugin = Plugin.registerPlugin;
+ if (typeof this.options_.bandwidth !== 'number') {
+ this.options_.bandwidth = Config.INITIAL_BANDWIDTH;
+ } // If the bandwidth number is unchanged from the initial setting
+ // then this takes precedence over the enableLowInitialPlaylist option
-/**
- * Deprecated method to register a plugin with Video.js
- *
- * @deprecated
- * videojs.plugin() is deprecated; use videojs.registerPlugin() instead
- *
- * @param {string} name
- * The plugin name
- *
- * @param {Plugin|Function} plugin
- * The plugin sub-class or function
- */
-videojs.plugin = function (name$$1, plugin) {
- log$1.warn('videojs.plugin() is deprecated; use videojs.registerPlugin() instead');
- return Plugin.registerPlugin(name$$1, plugin);
-};
-/**
- * Gets an object containing multiple Video.js plugins.
- *
- * @param {Array} [names]
- * If provided, should be an array of plugin names. Defaults to _all_
- * plugin names.
- *
- * @return {Object|undefined}
- * An object containing plugin(s) associated with their name(s) or
- * `undefined` if no matching plugins exist).
- */
-videojs.getPlugins = Plugin.getPlugins;
+ this.options_.enableLowInitialPlaylist = this.options_.enableLowInitialPlaylist && this.options_.bandwidth === Config.INITIAL_BANDWIDTH; // grab options passed to player.src
-/**
- * Gets a plugin by name if it exists.
- *
- * @param {string} name
- * The name of a plugin.
- *
- * @return {Function|undefined}
- * The plugin (or `undefined`).
- */
-videojs.getPlugin = Plugin.getPlugin;
+ ['withCredentials', 'useDevicePixelRatio', 'limitRenditionByPlayerDimensions', 'bandwidth', 'smoothQualityChange', 'customTagParsers', 'customTagMappers', 'handleManifestRedirects', 'cacheEncryptionKeys'].forEach(function (option) {
+ if (typeof _this2.source_[option] !== 'undefined') {
+ _this2.options_[option] = _this2.source_[option];
+ }
+ });
+ this.limitRenditionByPlayerDimensions = this.options_.limitRenditionByPlayerDimensions;
+ this.useDevicePixelRatio = this.options_.useDevicePixelRatio;
+ }
+ /**
+ * called when player.src gets called, handle a new source
+ *
+ * @param {Object} src the source object to handle
+ */
-/**
- * Gets a plugin's version, if available
- *
- * @param {string} name
- * The name of a plugin.
- *
- * @return {string}
- * The plugin's version or an empty string.
- */
-videojs.getPluginVersion = Plugin.getPluginVersion;
+ }, {
+ key: 'src',
+ value: function src(_src, type) {
+ var _this3 = this; // do nothing if the src is falsey
-/**
- * Adding languages so that they're available to all players.
- * Example: `videojs.addLanguage('es', { 'Hello': 'Hola' });`
- *
- * @param {string} code
- * The language code or dictionary property
- *
- * @param {Object} data
- * The data values to be translated
- *
- * @return {Object}
- * The resulting language dictionary object
- */
-videojs.addLanguage = function (code, data) {
- var _mergeOptions;
- code = ('' + code).toLowerCase();
+ if (!_src) {
+ return;
+ }
- videojs.options.languages = mergeOptions(videojs.options.languages, (_mergeOptions = {}, _mergeOptions[code] = data, _mergeOptions));
+ this.setOptions_(); // add master playlist controller options
- return videojs.options.languages[code];
-};
+ this.options_.url = this.source_.src;
+ this.options_.tech = this.tech_;
+ this.options_.externHls = Hls$1;
+ this.options_.sourceType = simpleTypeFromSourceType(type); // Whenever we seek internally, we should update the tech
-/**
- * Log messages
- *
- * @borrows log:log as videojs.log
- */
-videojs.log = log$1;
+ this.options_.seekTo = function (time) {
+ _this3.tech_.setCurrentTime(time);
+ };
-/**
- * Creates an emulated TimeRange object.
- *
- * @borrows time-ranges:createTimeRanges as videojs.createTimeRange
- */
-/**
- * @borrows time-ranges:createTimeRanges as videojs.createTimeRanges
- */
-videojs.createTimeRange = videojs.createTimeRanges = createTimeRanges;
+ this.masterPlaylistController_ = new MasterPlaylistController(this.options_);
+ this.playbackWatcher_ = new PlaybackWatcher(videojs$1.mergeOptions(this.options_, {
+ seekable: function seekable$$1() {
+ return _this3.seekable();
+ },
+ media: function media() {
+ return _this3.masterPlaylistController_.media();
+ }
+ }));
+ this.masterPlaylistController_.on('error', function () {
+ var player = videojs$1.players[_this3.tech_.options_.playerId];
+ player.error(_this3.masterPlaylistController_.error);
+ }); // `this` in selectPlaylist should be the HlsHandler for backwards
+ // compatibility with < v2
+
+ this.masterPlaylistController_.selectPlaylist = this.selectPlaylist ? this.selectPlaylist.bind(this) : Hls$1.STANDARD_PLAYLIST_SELECTOR.bind(this);
+ this.masterPlaylistController_.selectInitialPlaylist = Hls$1.INITIAL_PLAYLIST_SELECTOR.bind(this); // re-expose some internal objects for backwards compatibility with < v2
+
+ this.playlists = this.masterPlaylistController_.masterPlaylistLoader_;
+ this.mediaSource = this.masterPlaylistController_.mediaSource; // Proxy assignment of some properties to the master playlist
+ // controller. Using a custom property for backwards compatibility
+ // with < v2
+
+ Object.defineProperties(this, {
+ selectPlaylist: {
+ get: function get$$1() {
+ return this.masterPlaylistController_.selectPlaylist;
+ },
+ set: function set$$1(selectPlaylist) {
+ this.masterPlaylistController_.selectPlaylist = selectPlaylist.bind(this);
+ }
+ },
+ throughput: {
+ get: function get$$1() {
+ return this.masterPlaylistController_.mainSegmentLoader_.throughput.rate;
+ },
+ set: function set$$1(throughput) {
+ this.masterPlaylistController_.mainSegmentLoader_.throughput.rate = throughput; // By setting `count` to 1 the throughput value becomes the starting value
+ // for the cumulative average
+
+ this.masterPlaylistController_.mainSegmentLoader_.throughput.count = 1;
+ }
+ },
+ bandwidth: {
+ get: function get$$1() {
+ return this.masterPlaylistController_.mainSegmentLoader_.bandwidth;
+ },
+ set: function set$$1(bandwidth) {
+ this.masterPlaylistController_.mainSegmentLoader_.bandwidth = bandwidth; // setting the bandwidth manually resets the throughput counter
+ // `count` is set to zero that current value of `rate` isn't included
+ // in the cumulative average
+
+ this.masterPlaylistController_.mainSegmentLoader_.throughput = {
+ rate: 0,
+ count: 0
+ };
+ }
+ },
-/**
- * Format seconds as a time string, H:MM:SS or M:SS
- * Supplying a guide (in seconds) will force a number of leading zeros
- * to cover the length of the guide
- *
- * @borrows format-time:formatTime as videojs.formatTime
- */
-videojs.formatTime = formatTime;
+ /**
+ * `systemBandwidth` is a combination of two serial processes bit-rates. The first
+ * is the network bitrate provided by `bandwidth` and the second is the bitrate of
+ * the entire process after that - decryption, transmuxing, and appending - provided
+ * by `throughput`.
+ *
+ * Since the two process are serial, the overall system bandwidth is given by:
+ * sysBandwidth = 1 / (1 / bandwidth + 1 / throughput)
+ */
+ systemBandwidth: {
+ get: function get$$1() {
+ var invBandwidth = 1 / (this.bandwidth || 1);
+ var invThroughput = void 0;
+
+ if (this.throughput > 0) {
+ invThroughput = 1 / this.throughput;
+ } else {
+ invThroughput = 0;
+ }
+
+ var systemBitrate = Math.floor(1 / (invBandwidth + invThroughput));
+ return systemBitrate;
+ },
+ set: function set$$1() {
+ videojs$1.log.error('The "systemBandwidth" property is read-only');
+ }
+ }
+ });
-/**
- * Resolve and parse the elements of a URL
- *
- * @borrows url:parseUrl as videojs.parseUrl
- */
-videojs.parseUrl = parseUrl;
+ if (this.options_.bandwidth) {
+ this.bandwidth = this.options_.bandwidth;
+ }
-/**
- * Returns whether the url passed is a cross domain request or not.
- *
- * @borrows url:isCrossOrigin as videojs.isCrossOrigin
- */
-videojs.isCrossOrigin = isCrossOrigin;
+ if (this.options_.throughput) {
+ this.throughput = this.options_.throughput;
+ }
-/**
- * Event target class.
- *
- * @borrows EventTarget as videojs.EventTarget
- */
-videojs.EventTarget = EventTarget;
+ Object.defineProperties(this.stats, {
+ bandwidth: {
+ get: function get$$1() {
+ return _this3.bandwidth || 0;
+ },
+ enumerable: true
+ },
+ mediaRequests: {
+ get: function get$$1() {
+ return _this3.masterPlaylistController_.mediaRequests_() || 0;
+ },
+ enumerable: true
+ },
+ mediaRequestsAborted: {
+ get: function get$$1() {
+ return _this3.masterPlaylistController_.mediaRequestsAborted_() || 0;
+ },
+ enumerable: true
+ },
+ mediaRequestsTimedout: {
+ get: function get$$1() {
+ return _this3.masterPlaylistController_.mediaRequestsTimedout_() || 0;
+ },
+ enumerable: true
+ },
+ mediaRequestsErrored: {
+ get: function get$$1() {
+ return _this3.masterPlaylistController_.mediaRequestsErrored_() || 0;
+ },
+ enumerable: true
+ },
+ mediaTransferDuration: {
+ get: function get$$1() {
+ return _this3.masterPlaylistController_.mediaTransferDuration_() || 0;
+ },
+ enumerable: true
+ },
+ mediaBytesTransferred: {
+ get: function get$$1() {
+ return _this3.masterPlaylistController_.mediaBytesTransferred_() || 0;
+ },
+ enumerable: true
+ },
+ mediaSecondsLoaded: {
+ get: function get$$1() {
+ return _this3.masterPlaylistController_.mediaSecondsLoaded_() || 0;
+ },
+ enumerable: true
+ },
+ buffered: {
+ get: function get$$1() {
+ return timeRangesToArray(_this3.tech_.buffered());
+ },
+ enumerable: true
+ },
+ currentTime: {
+ get: function get$$1() {
+ return _this3.tech_.currentTime();
+ },
+ enumerable: true
+ },
+ currentSource: {
+ get: function get$$1() {
+ return _this3.tech_.currentSource_;
+ },
+ enumerable: true
+ },
+ currentTech: {
+ get: function get$$1() {
+ return _this3.tech_.name_;
+ },
+ enumerable: true
+ },
+ duration: {
+ get: function get$$1() {
+ return _this3.tech_.duration();
+ },
+ enumerable: true
+ },
+ master: {
+ get: function get$$1() {
+ return _this3.playlists.master;
+ },
+ enumerable: true
+ },
+ playerDimensions: {
+ get: function get$$1() {
+ return _this3.tech_.currentDimensions();
+ },
+ enumerable: true
+ },
+ seekable: {
+ get: function get$$1() {
+ return timeRangesToArray(_this3.tech_.seekable());
+ },
+ enumerable: true
+ },
+ timestamp: {
+ get: function get$$1() {
+ return Date.now();
+ },
+ enumerable: true
+ },
+ videoPlaybackQuality: {
+ get: function get$$1() {
+ return _this3.tech_.getVideoPlaybackQuality();
+ },
+ enumerable: true
+ }
+ });
+ this.tech_.one('canplay', this.masterPlaylistController_.setupFirstPlay.bind(this.masterPlaylistController_));
+ this.tech_.on('bandwidthupdate', function () {
+ if (_this3.options_.useBandwidthFromLocalStorage) {
+ updateVhsLocalStorage({
+ bandwidth: _this3.bandwidth,
+ throughput: Math.round(_this3.throughput)
+ });
+ }
+ });
+ this.masterPlaylistController_.on('selectedinitialmedia', function () {
+ // Add the manual rendition mix-in to HlsHandler
+ renditionSelectionMixin(_this3);
+ setupEmeOptions(_this3);
+ }); // the bandwidth of the primary segment loader is our best
+ // estimate of overall bandwidth
+
+ this.on(this.masterPlaylistController_, 'progress', function () {
+ this.tech_.trigger('progress');
+ }); // In the live case, we need to ignore the very first `seeking` event since
+ // that will be the result of the seek-to-live behavior
+
+ this.on(this.masterPlaylistController_, 'firstplay', function () {
+ this.ignoreNextSeekingEvent_ = true;
+ });
+ this.setupQualityLevels_(); // do nothing if the tech has been disposed already
+ // this can occur if someone sets the src in player.ready(), for instance
-/**
- * Add an event listener to element
- * It stores the handler function in a separate cache object
- * and adds a generic handler to the element's event,
- * along with a unique id (guid) to the element.
- *
- * @borrows events:on as videojs.on
- */
-videojs.on = on;
+ if (!this.tech_.el()) {
+ return;
+ }
-/**
- * Trigger a listener only once for an event
- *
- * @borrows events:one as videojs.one
- */
-videojs.one = one;
+ this.tech_.src(videojs$1.URL.createObjectURL(this.masterPlaylistController_.mediaSource));
+ }
+ /**
+ * Initializes the quality levels and sets listeners to update them.
+ *
+ * @method setupQualityLevels_
+ * @private
+ */
-/**
- * Removes event listeners from an element
- *
- * @borrows events:off as videojs.off
- */
-videojs.off = off;
+ }, {
+ key: 'setupQualityLevels_',
+ value: function setupQualityLevels_() {
+ var _this4 = this;
-/**
- * Trigger an event for an element
- *
- * @borrows events:trigger as videojs.trigger
- */
-videojs.trigger = trigger;
+ var player = videojs$1.players[this.tech_.options_.playerId]; // if there isn't a player or there isn't a qualityLevels plugin
+ // or qualityLevels_ listeners have already been setup, do nothing.
-/**
- * A cross-browser XMLHttpRequest wrapper. Here's a simple example:
- *
- * @param {Object} options
- * settings for the request.
- *
- * @return {XMLHttpRequest|XDomainRequest}
- * The request object.
- *
- * @see https://github.com/Raynos/xhr
- */
-videojs.xhr = xhr;
+ if (!player || !player.qualityLevels || this.qualityLevels_) {
+ return;
+ }
-/**
- * TextTrack class
- *
- * @borrows TextTrack as videojs.TextTrack
- */
-videojs.TextTrack = TextTrack;
+ this.qualityLevels_ = player.qualityLevels();
+ this.masterPlaylistController_.on('selectedinitialmedia', function () {
+ handleHlsLoadedMetadata(_this4.qualityLevels_, _this4);
+ });
+ this.playlists.on('mediachange', function () {
+ handleHlsMediaChange(_this4.qualityLevels_, _this4.playlists);
+ });
+ }
+ /**
+ * Begin playing the video.
+ */
-/**
- * export the AudioTrack class so that source handlers can create
- * AudioTracks and then add them to the players AudioTrackList
- *
- * @borrows AudioTrack as videojs.AudioTrack
- */
-videojs.AudioTrack = AudioTrack;
+ }, {
+ key: 'play',
+ value: function play() {
+ this.masterPlaylistController_.play();
+ }
+ /**
+ * a wrapper around the function in MasterPlaylistController
+ */
-/**
- * export the VideoTrack class so that source handlers can create
- * VideoTracks and then add them to the players VideoTrackList
- *
- * @borrows VideoTrack as videojs.VideoTrack
- */
-videojs.VideoTrack = VideoTrack;
+ }, {
+ key: 'setCurrentTime',
+ value: function setCurrentTime(currentTime) {
+ this.masterPlaylistController_.setCurrentTime(currentTime);
+ }
+ /**
+ * a wrapper around the function in MasterPlaylistController
+ */
-/**
- * Determines, via duck typing, whether or not a value is a DOM element.
- *
- * @borrows dom:isEl as videojs.isEl
- * @deprecated Use videojs.dom.isEl() instead
- */
+ }, {
+ key: 'duration',
+ value: function duration$$1() {
+ return this.masterPlaylistController_.duration();
+ }
+ /**
+ * a wrapper around the function in MasterPlaylistController
+ */
-/**
- * Determines, via duck typing, whether or not a value is a text node.
- *
- * @borrows dom:isTextNode as videojs.isTextNode
- * @deprecated Use videojs.dom.isTextNode() instead
- */
+ }, {
+ key: 'seekable',
+ value: function seekable$$1() {
+ return this.masterPlaylistController_.seekable();
+ }
+ /**
+ * Abort all outstanding work and cleanup.
+ */
-/**
- * Creates an element and applies properties.
- *
- * @borrows dom:createEl as videojs.createEl
- * @deprecated Use videojs.dom.createEl() instead
- */
+ }, {
+ key: 'dispose',
+ value: function dispose() {
+ if (this.playbackWatcher_) {
+ this.playbackWatcher_.dispose();
+ }
-/**
- * Check if an element has a CSS class
- *
- * @borrows dom:hasElClass as videojs.hasClass
- * @deprecated Use videojs.dom.hasClass() instead
- */
+ if (this.masterPlaylistController_) {
+ this.masterPlaylistController_.dispose();
+ }
-/**
- * Add a CSS class name to an element
- *
- * @borrows dom:addElClass as videojs.addClass
- * @deprecated Use videojs.dom.addClass() instead
- */
+ if (this.qualityLevels_) {
+ this.qualityLevels_.dispose();
+ }
-/**
- * Remove a CSS class name from an element
- *
- * @borrows dom:removeElClass as videojs.removeClass
- * @deprecated Use videojs.dom.removeClass() instead
- */
+ if (this.player_) {
+ delete this.player_.vhs;
+ delete this.player_.dash;
+ delete this.player_.hls;
+ }
-/**
- * Adds or removes a CSS class name on an element depending on an optional
- * condition or the presence/absence of the class name.
- *
- * @borrows dom:toggleElClass as videojs.toggleClass
- * @deprecated Use videojs.dom.toggleClass() instead
- */
+ if (this.tech_ && this.tech_.hls) {
+ delete this.tech_.hls;
+ }
-/**
- * Apply attributes to an HTML element.
- *
- * @borrows dom:setElAttributes as videojs.setAttribute
- * @deprecated Use videojs.dom.setAttributes() instead
- */
+ get$1(HlsHandler.prototype.__proto__ || Object.getPrototypeOf(HlsHandler.prototype), 'dispose', this).call(this);
+ }
+ }, {
+ key: 'convertToProgramTime',
+ value: function convertToProgramTime(time, callback) {
+ return getProgramTime({
+ playlist: this.masterPlaylistController_.media(),
+ time: time,
+ callback: callback
+ });
+ } // the player must be playing before calling this
-/**
- * Get an element's attribute values, as defined on the HTML tag
- * Attributes are not the same as properties. They're defined on the tag
- * or with setAttribute (which shouldn't be used with HTML)
- * This will return true or false for boolean attributes.
- *
- * @borrows dom:getElAttributes as videojs.getAttributes
- * @deprecated Use videojs.dom.getAttributes() instead
- */
+ }, {
+ key: 'seekToProgramTime',
+ value: function seekToProgramTime$$1(programTime, callback) {
+ var pauseAfterSeek = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : true;
+ var retryCount = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 2;
+ return seekToProgramTime({
+ programTime: programTime,
+ playlist: this.masterPlaylistController_.media(),
+ retryCount: retryCount,
+ pauseAfterSeek: pauseAfterSeek,
+ seekTo: this.options_.seekTo,
+ tech: this.options_.tech,
+ callback: callback
+ });
+ }
+ }]);
+ return HlsHandler;
+ }(Component$1);
+ /**
+ * The Source Handler object, which informs video.js what additional
+ * MIME types are supported and sets up playback. It is registered
+ * automatically to the appropriate tech based on the capabilities of
+ * the browser it is running in. It is not necessary to use or modify
+ * this object in normal usage.
+ */
-/**
- * Empties the contents of an element.
- *
- * @borrows dom:emptyEl as videojs.emptyEl
- * @deprecated Use videojs.dom.emptyEl() instead
- */
-/**
- * Normalizes and appends content to an element.
- *
- * The content for an element can be passed in multiple types and
- * combinations, whose behavior is as follows:
- *
- * - String
- * Normalized into a text node.
- *
- * - Element, TextNode
- * Passed through.
- *
- * - Array
- * A one-dimensional array of strings, elements, nodes, or functions (which
- * return single strings, elements, or nodes).
- *
- * - Function
- * If the sole argument, is expected to produce a string, element,
- * node, or array.
- *
- * @borrows dom:appendContents as videojs.appendContet
- * @deprecated Use videojs.dom.appendContent() instead
- */
+ var HlsSourceHandler = {
+ name: 'videojs-http-streaming',
+ VERSION: version$1,
+ canHandleSource: function canHandleSource(srcObj) {
+ var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ var localOptions = videojs$1.mergeOptions(videojs$1.options, options);
+ return HlsSourceHandler.canPlayType(srcObj.type, localOptions);
+ },
+ handleSource: function handleSource(source, tech) {
+ var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+ var localOptions = videojs$1.mergeOptions(videojs$1.options, options);
+ tech.hls = new HlsHandler(source, tech, localOptions);
+ tech.hls.xhr = xhrFactory();
+ tech.hls.src(source.src, source.type);
+ return tech.hls;
+ },
+ canPlayType: function canPlayType(type) {
+ var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
-/**
- * Normalizes and inserts content into an element; this is identical to
- * `appendContent()`, except it empties the element first.
- *
- * The content for an element can be passed in multiple types and
- * combinations, whose behavior is as follows:
- *
- * - String
- * Normalized into a text node.
- *
- * - Element, TextNode
- * Passed through.
- *
- * - Array
- * A one-dimensional array of strings, elements, nodes, or functions (which
- * return single strings, elements, or nodes).
- *
- * - Function
- * If the sole argument, is expected to produce a string, element,
- * node, or array.
- *
- * @borrows dom:insertContent as videojs.insertContent
- * @deprecated Use videojs.dom.insertContent() instead
- */
-['isEl', 'isTextNode', 'createEl', 'hasClass', 'addClass', 'removeClass', 'toggleClass', 'setAttributes', 'getAttributes', 'emptyEl', 'appendContent', 'insertContent'].forEach(function (k) {
- videojs[k] = function () {
- log$1.warn('videojs.' + k + '() is deprecated; use videojs.dom.' + k + '() instead');
- return Dom[k].apply(null, arguments);
+ var _videojs$mergeOptions = videojs$1.mergeOptions(videojs$1.options, options),
+ overrideNative = _videojs$mergeOptions.hls.overrideNative;
+
+ var supportedType = simpleTypeFromSourceType(type);
+ var canUseMsePlayback = supportedType && (!Hls$1.supportsTypeNatively(supportedType) || overrideNative);
+ return canUseMsePlayback ? 'maybe' : '';
+ }
};
-});
-/**
- * A safe getComputedStyle with an IE8 fallback.
- *
- * This is because in Firefox, if the player is loaded in an iframe with `display:none`,
- * then `getComputedStyle` returns `null`, so, we do a null-check to make sure
- * that the player doesn't break in these cases.
- * See https://bugzilla.mozilla.org/show_bug.cgi?id=548397 for more details.
- *
- * @borrows computed-style:computedStyle as videojs.computedStyle
- */
-videojs.computedStyle = computedStyle;
+ if (typeof videojs$1.MediaSource === 'undefined' || typeof videojs$1.URL === 'undefined') {
+ videojs$1.MediaSource = MediaSource;
+ videojs$1.URL = URL$1;
+ } // register source handlers with the appropriate techs
-/**
- * Export the Dom utilities for use in external plugins
- * and Tech's
- */
-videojs.dom = Dom;
-/**
- * Export the Url utilities for use in external plugins
- * and Tech's
- */
-videojs.url = Url;
+ if (MediaSource.supportsNativeMediaSources()) {
+ videojs$1.getTech('Html5').registerSourceHandler(HlsSourceHandler, 0);
+ }
+
+ videojs$1.HlsHandler = HlsHandler;
+ videojs$1.HlsSourceHandler = HlsSourceHandler;
+ videojs$1.Hls = Hls$1;
+
+ if (!videojs$1.use) {
+ videojs$1.registerComponent('Hls', Hls$1);
+ }
+
+ videojs$1.options.hls = videojs$1.options.hls || {};
+
+ if (videojs$1.registerPlugin) {
+ videojs$1.registerPlugin('reloadSourceOnError', reloadSourceOnError);
+ } else {
+ videojs$1.plugin('reloadSourceOnError', reloadSourceOnError);
+ }
-return videojs;
+ return videojs$1;
})));
https://git.useribm.hu / mediacube.git / commitdiff