media/test/data/eme_player_js/eme_app.js

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 // EMEApp is responsible for starting playback on the eme_player.html page.
   6 // It selects the suitable player based on key system and other test options.
   7 function EMEApp(testConfig) {
   8   this.video_ = null;
   9   this.testConfig_ = testConfig;
  10   this.updateDocument(testConfig);
  11 }
  12
  13 EMEApp.prototype.createPlayer = function() {
  14   // Load document test configuration.
  15   this.updateTestConfig();
  16   if (this.video_) {
  17     Utils.timeLog('Delete old video tag.');
  18     this.video_.pause();
  19     this.video_.remove();
  20     delete(this.video_);
  21   }
  22
  23   this.video_ = document.createElement('video');
  24   this.video_.controls = true;
  25   this.video_.preload = true;
  26   this.video_.width = 848;
  27   this.video_.height = 480;
  28   var videoSpan = document.getElementById(VIDEO_ELEMENT_ID);
  29   if (videoSpan)
  30     videoSpan.appendChild(this.video_);
  31   else
  32     document.body.appendChild(this.video_);
  33
  34   var videoPlayer = PlayerUtils.createPlayer(this.video_, this.testConfig_);
  35   if (!videoPlayer) {
  36     Utils.timeLog('Cannot create a media player.');
  37     return;
  38   }
  39   Utils.timeLog('Using ' + videoPlayer.constructor.name);
  40   if (this.testConfig_.runFPS)
  41     FPSObserver.observe(this.video_);
  42
  43   videoPlayer.init();
  44   return videoPlayer;
  45 };
  46
  47 EMEApp.prototype.updateDocument = function(testConfig) {
  48   // Update document lists with test configuration values.
  49   Utils.addOptions(KEYSYSTEM_ELEMENT_ID, KEY_SYSTEMS);
  50   Utils.addOptions(MEDIA_TYPE_ELEMENT_ID, MEDIA_TYPES);
  51   Utils.addOptions(USE_PREFIXED_EME_ID, EME_VERSIONS_OPTIONS,
  52                    EME_DISABLED_OPTIONS);
  53   document.getElementById(MEDIA_FILE_ELEMENT_ID).value =
  54       testConfig.mediaFile || DEFAULT_MEDIA_FILE;
  55   document.getElementById(LICENSE_SERVER_ELEMENT_ID).value =
  56       testConfig.licenseServerURL || DEFAULT_LICENSE_SERVER;
  57   if (testConfig.keySystem)
  58     Utils.ensureOptionInList(KEYSYSTEM_ELEMENT_ID, testConfig.keySystem);
  59   if (testConfig.mediaType)
  60     Utils.ensureOptionInList(MEDIA_TYPE_ELEMENT_ID, testConfig.mediaType);
  61   document.getElementById(USE_MSE_ELEMENT_ID).value = testConfig.useMSE;
  62   if (testConfig.usePrefixedEME)
  63     document.getElementById(USE_PREFIXED_EME_ID).value = EME_PREFIXED_VERSION;
  64 };
  65
  66 EMEApp.prototype.updateTestConfig = function() {
  67   // Reload test configuration from document.
  68   this.testConfig_.mediaFile =
  69       document.getElementById(MEDIA_FILE_ELEMENT_ID).value;
  70   this.testConfig_.keySystem =
  71       document.getElementById(KEYSYSTEM_ELEMENT_ID).value;
  72   this.testConfig_.mediaType =
  73       document.getElementById(MEDIA_TYPE_ELEMENT_ID).value;
  74   this.testConfig_.useMSE =
  75       document.getElementById(USE_MSE_ELEMENT_ID).value == 'true';
  76   this.testConfig_.usePrefixedEME = (
  77       document.getElementById(USE_PREFIXED_EME_ID).value ==
  78       EME_PREFIXED_VERSION);
  79   this.testConfig_.licenseServerURL =
  80       document.getElementById(LICENSE_SERVER_ELEMENT_ID).value;
  81 };