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456 lines
15 KiB
JavaScript
456 lines
15 KiB
JavaScript
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/*! videojs-contrib-dash - v2.8.2 - 2017-04-26
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* Copyright (c) 2017 Brightcove */
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(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
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(function (global){
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'use strict';
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = setupAudioTracks;
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var _dashjs = (typeof window !== "undefined" ? window['dashjs'] : typeof global !== "undefined" ? global['dashjs'] : null);
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var _dashjs2 = _interopRequireDefault(_dashjs);
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var _video = (typeof window !== "undefined" ? window['videojs'] : typeof global !== "undefined" ? global['videojs'] : null);
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var _video2 = _interopRequireDefault(_video);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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/*
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* Setup audio tracks. Take the tracks from dash and add the tracks to videojs. Listen for when
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* videojs changes tracks and apply that to the dash player because videojs doesn't do this
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* natively.
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*
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* @private
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* @param {videojs} player the videojs player instance
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* @param {videojs.tech} tech the videojs tech being used
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*/
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function handlePlaybackMetadataLoaded(player, tech) {
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var mediaPlayer = player.dash.mediaPlayer;
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var dashAudioTracks = mediaPlayer.getTracksFor('audio');
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var videojsAudioTracks = player.audioTracks();
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function generateIdFromTrackIndex(index) {
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return 'dash-audio-' + index;
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}
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function findDashAudioTrack(dashAudioTracks, videojsAudioTrack) {
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return dashAudioTracks.find(function (_ref) {
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var index = _ref.index;
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return generateIdFromTrackIndex(index) === videojsAudioTrack.id;
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});
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}
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// Safari creates a single native `AudioTrack` (not `videojs.AudioTrack`) when loading. Clear all
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// automatically generated audio tracks so we can create them all ourself.
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if (videojsAudioTracks.length) {
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tech.clearTracks(['audio']);
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}
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var currentAudioTrack = mediaPlayer.getCurrentTrackFor('audio');
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dashAudioTracks.forEach(function (dashTrack) {
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var label = dashTrack.lang;
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if (dashTrack.roles && dashTrack.roles.length) {
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label += ' (' + dashTrack.roles.join(', ') + ')';
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}
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// Add the track to the player's audio track list.
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videojsAudioTracks.addTrack(new _video2.default.AudioTrack({
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enabled: dashTrack === currentAudioTrack,
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id: generateIdFromTrackIndex(dashTrack.index),
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kind: dashTrack.kind || 'main',
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label: label,
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language: dashTrack.lang
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}));
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});
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videojsAudioTracks.addEventListener('change', function () {
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for (var i = 0; i < videojsAudioTracks.length; i++) {
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var track = videojsAudioTracks[i];
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if (track.enabled) {
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// Find the audio track we just selected by the id
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var dashAudioTrack = findDashAudioTrack(dashAudioTracks, track);
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// Set is as the current track
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mediaPlayer.setCurrentTrack(dashAudioTrack);
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// Stop looping
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continue;
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}
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}
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});
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}
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/*
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* Call `handlePlaybackMetadataLoaded` when `mediaPlayer` emits
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* `dashjs.MediaPlayer.events.PLAYBACK_METADATA_LOADED`.
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*/
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function setupAudioTracks(player, tech) {
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// When `dashjs` finishes loading metadata, create audio tracks for `video.js`.
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player.dash.mediaPlayer.on(_dashjs2.default.MediaPlayer.events.PLAYBACK_METADATA_LOADED, handlePlaybackMetadataLoaded.bind(null, player, tech));
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}
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}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
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},{}],2:[function(require,module,exports){
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(function (global){
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'use strict';
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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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; }; }();
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var _window = require('global/window');
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var _window2 = _interopRequireDefault(_window);
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var _video = (typeof window !== "undefined" ? window['videojs'] : typeof global !== "undefined" ? global['videojs'] : null);
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var _video2 = _interopRequireDefault(_video);
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var _dashjs = (typeof window !== "undefined" ? window['dashjs'] : typeof global !== "undefined" ? global['dashjs'] : null);
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var _dashjs2 = _interopRequireDefault(_dashjs);
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var _setupAudioTracks = require('./setup-audio-tracks');
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var _setupAudioTracks2 = _interopRequireDefault(_setupAudioTracks);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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var isArray = function isArray(a) {
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return Object.prototype.toString.call(a) === '[object Array]';
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};
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/**
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* videojs-contrib-dash
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*
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* Use Dash.js to playback DASH content inside of Video.js via a SourceHandler
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*/
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var Html5DashJS = function () {
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function Html5DashJS(source, tech, options) {
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var _this = this;
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_classCallCheck(this, Html5DashJS);
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// Get options from tech if not provided for backwards compatibility
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options = options || tech.options_;
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this.player = (0, _video2.default)(options.playerId);
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this.player.dash = this.player.dash || {};
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this.tech_ = tech;
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this.el_ = tech.el();
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this.elParent_ = this.el_.parentNode;
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// Do nothing if the src is falsey
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if (!source.src) {
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return;
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}
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// While the manifest is loading and Dash.js has not finished initializing
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// we must defer events and functions calls with isReady_ and then `triggerReady`
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// again later once everything is setup
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tech.isReady_ = false;
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if (Html5DashJS.updateSourceData) {
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_video2.default.log.warn('updateSourceData has been deprecated.' + ' Please switch to using hook("updatesource", callback).');
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source = Html5DashJS.updateSourceData(source);
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}
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// call updatesource hooks
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Html5DashJS.hooks('updatesource').forEach(function (hook) {
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source = hook(source);
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});
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var manifestSource = source.src;
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this.keySystemOptions_ = Html5DashJS.buildDashJSProtData(source.keySystemOptions);
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this.player.dash.mediaPlayer = _dashjs2.default.MediaPlayer().create();
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this.mediaPlayer_ = this.player.dash.mediaPlayer;
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// Log MedaPlayer messages through video.js
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if (Html5DashJS.useVideoJSDebug) {
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_video2.default.log.warn('useVideoJSDebug has been deprecated.' + ' Please switch to using hook("beforeinitialize", callback).');
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Html5DashJS.useVideoJSDebug(this.mediaPlayer_);
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}
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if (Html5DashJS.beforeInitialize) {
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_video2.default.log.warn('beforeInitialize has been deprecated.' + ' Please switch to using hook("beforeinitialize", callback).');
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Html5DashJS.beforeInitialize(this.player, this.mediaPlayer_);
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}
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Html5DashJS.hooks('beforeinitialize').forEach(function (hook) {
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hook(_this.player, _this.mediaPlayer_);
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});
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// Must run controller before these two lines or else there is no
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// element to bind to.
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this.mediaPlayer_.initialize();
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// Apply all dash options that are set
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if (options.dash) {
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Object.keys(options.dash).forEach(function (key) {
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var _mediaPlayer_;
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var dashOptionsKey = 'set' + key.charAt(0).toUpperCase() + key.slice(1);
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var value = options.dash[key];
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if (_this.mediaPlayer_.hasOwnProperty(dashOptionsKey)) {
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// Providing a key without `set` prefix is now deprecated.
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_video2.default.log.warn('Using dash options in videojs-contrib-dash without the set prefix ' + ('has been deprecated. Change \'' + key + '\' to \'' + dashOptionsKey + '\''));
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// Set key so it will still work
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key = dashOptionsKey;
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}
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if (!_this.mediaPlayer_.hasOwnProperty(key)) {
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_video2.default.log.warn('Warning: dash configuration option unrecognized: ' + key);
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return;
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}
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// Guarantee `value` is an array
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if (!isArray(value)) {
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value = [value];
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}
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(_mediaPlayer_ = _this.mediaPlayer_)[key].apply(_mediaPlayer_, _toConsumableArray(value));
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});
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}
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this.mediaPlayer_.attachView(this.el_);
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// Dash.js autoplays by default, video.js will handle autoplay
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this.mediaPlayer_.setAutoPlay(false);
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// Setup audio tracks
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_setupAudioTracks2.default.call(null, this.player, tech);
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// Attach the source with any protection data
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this.mediaPlayer_.setProtectionData(this.keySystemOptions_);
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this.mediaPlayer_.attachSource(manifestSource);
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this.tech_.triggerReady();
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}
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/*
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* Iterate over the `keySystemOptions` array and convert each object into
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* the type of object Dash.js expects in the `protData` argument.
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*
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* Also rename 'licenseUrl' property in the options to an 'serverURL' property
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*/
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_createClass(Html5DashJS, [{
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key: 'dispose',
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value: function dispose() {
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if (this.mediaPlayer_) {
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this.mediaPlayer_.reset();
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}
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if (this.player.dash) {
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delete this.player.dash;
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}
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}
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}, {
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key: 'duration',
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value: function duration() {
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var duration = this.el_.duration;
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if (duration === Number.MAX_VALUE) {
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return Infinity;
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}
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return duration;
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}
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/**
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* Get a list of hooks for a specific lifecycle
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*
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* @param {string} type the lifecycle to get hooks from
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* @param {Function=|Function[]=} hook Optionally add a hook tothe lifecycle
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* @return {Array} an array of hooks or epty if none
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* @method hooks
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*/
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}], [{
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key: 'buildDashJSProtData',
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value: function buildDashJSProtData(keySystemOptions) {
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var output = {};
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if (!keySystemOptions || !isArray(keySystemOptions)) {
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return null;
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}
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for (var i = 0; i < keySystemOptions.length; i++) {
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var keySystem = keySystemOptions[i];
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var options = _video2.default.mergeOptions({}, keySystem.options);
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if (options.licenseUrl) {
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options.serverURL = options.licenseUrl;
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delete options.licenseUrl;
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}
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output[keySystem.name] = options;
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}
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return output;
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}
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}, {
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key: 'hooks',
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value: function hooks(type, hook) {
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Html5DashJS.hooks_[type] = Html5DashJS.hooks_[type] || [];
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if (hook) {
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Html5DashJS.hooks_[type] = Html5DashJS.hooks_[type].concat(hook);
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}
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return Html5DashJS.hooks_[type];
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}
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/**
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* Add a function hook to a specific dash lifecycle
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*
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* @param {string} type the lifecycle to hook the function to
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* @param {Function|Function[]} hook the function or array of functions to attach
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* @method hook
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*/
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}, {
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key: 'hook',
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value: function hook(type, _hook) {
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Html5DashJS.hooks(type, _hook);
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}
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/**
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* Remove a hook from a specific dash lifecycle.
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*
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* @param {string} type the lifecycle that the function hooked to
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* @param {Function} hook The hooked function to remove
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* @return {boolean} True if the function was removed, false if not found
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* @method removeHook
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*/
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}, {
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key: 'removeHook',
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value: function removeHook(type, hook) {
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var index = Html5DashJS.hooks(type).indexOf(hook);
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if (index === -1) {
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return false;
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}
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Html5DashJS.hooks_[type] = Html5DashJS.hooks_[type].slice();
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Html5DashJS.hooks_[type].splice(index, 1);
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return true;
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}
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}]);
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return Html5DashJS;
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}();
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Html5DashJS.hooks_ = {};
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var canHandleKeySystems = function canHandleKeySystems(source) {
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// copy the source
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source = JSON.parse(JSON.stringify(source));
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if (Html5DashJS.updateSourceData) {
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_video2.default.log.warn('updateSourceData has been deprecated.' + ' Please switch to using hook("updatesource", callback).');
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source = Html5DashJS.updateSourceData(source);
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}
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// call updatesource hooks
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Html5DashJS.hooks('updatesource').forEach(function (hook) {
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source = hook(source);
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});
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var videoEl = document.createElement('video');
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if (source.keySystemOptions && !(navigator.requestMediaKeySystemAccess ||
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// IE11 Win 8.1
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videoEl.msSetMediaKeys)) {
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return false;
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}
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return true;
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};
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_video2.default.DashSourceHandler = function () {
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return {
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canHandleSource: function canHandleSource(source) {
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var dashExtRE = /\.mpd/i;
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if (!canHandleKeySystems(source)) {
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return '';
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}
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if (_video2.default.DashSourceHandler.canPlayType(source.type)) {
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return 'probably';
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} else if (dashExtRE.test(source.src)) {
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return 'maybe';
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} else {
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return '';
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}
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},
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handleSource: function handleSource(source, tech, options) {
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return new Html5DashJS(source, tech, options);
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},
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canPlayType: function canPlayType(type) {
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return _video2.default.DashSourceHandler.canPlayType(type);
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}
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};
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};
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_video2.default.DashSourceHandler.canPlayType = function (type) {
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var dashTypeRE = /^application\/dash\+xml/i;
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if (dashTypeRE.test(type)) {
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return 'probably';
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}
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return '';
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};
|
||
|
|
||
|
// Only add the SourceHandler if the browser supports MediaSourceExtensions
|
||
|
if (!!_window2.default.MediaSource) {
|
||
|
_video2.default.getTech('Html5').registerSourceHandler(_video2.default.DashSourceHandler(), 0);
|
||
|
}
|
||
|
|
||
|
_video2.default.Html5DashJS = Html5DashJS;
|
||
|
exports.default = Html5DashJS;
|
||
|
|
||
|
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
||
|
},{"./setup-audio-tracks":1,"global/window":3}],3:[function(require,module,exports){
|
||
|
(function (global){
|
||
|
var win;
|
||
|
|
||
|
if (typeof window !== "undefined") {
|
||
|
win = window;
|
||
|
} else if (typeof global !== "undefined") {
|
||
|
win = global;
|
||
|
} else if (typeof self !== "undefined"){
|
||
|
win = self;
|
||
|
} else {
|
||
|
win = {};
|
||
|
}
|
||
|
|
||
|
module.exports = win;
|
||
|
|
||
|
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
||
|
},{}]},{},[2]);
|