third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-playback-encrypted-and-clear-sources.html

   1 <!DOCTYPE html>
   2 <html>
   3     <head>
   4         <title>Multiple playbacks alternating between encrypted and clear sources.</title>
   5         <script src="encrypted-media-utils.js"></script>
   6         <script src="../../resources/testharness.js"></script>
   7         <script src="../../resources/testharnessreport.js"></script>
   8     </head>
   9     <body>
  10         <video id="testVideo"></video>
  11         <div id="log"></div>
  12         <script>
  13             async_test(function(test)
  14             {
  15                 var video = document.getElementById('testVideo');
  16                 var isUpdatePromiseResolved = false;
  17                 var encryptedEventCount = 0;
  18                 var playbackCount = 0;
  19
  20                 var rawKey = new Uint8Array([0xeb, 0xdd, 0x62, 0xf1, 0x68, 0x14, 0xd2, 0x7b,
  21                                              0x68, 0xef, 0x12, 0x2a, 0xfc, 0xe4, 0xae, 0x3c]);
  22
  23                 function onEncrypted(event)
  24                 {
  25                     assert_equals(event.target, video);
  26                     assert_true(event instanceof window.MediaEncryptedEvent);
  27                     assert_equals(event.type, 'encrypted');
  28
  29                     // The same decryption key is used by both the audio and
  30                     // the video streams so only create a session once. To
  31                     // avoid issues when comparing the expected.txt file
  32                     // (which logs the events in the order they occur), create
  33                     // the session on the second event. This also ensures we
  34                     // see both events.
  35                     if (++encryptedEventCount != 2)
  36                         return;
  37
  38                     assert_false(video.mediaKeys === null, "video.mediaKeys is null.");
  39                     var mediaKeySession = video.mediaKeys.createSession();
  40                     waitForEventAndRunStep('message', mediaKeySession, onMessage, test);
  41                     mediaKeySession.generateRequest(event.initDataType, event.initData).catch(function(error) {
  42                         forceTestFailureFromPromise(test, error);
  43                     });
  44                 }
  45
  46                 function onMessage(event)
  47                 {
  48                     assert_true(event instanceof window.MediaKeyMessageEvent);
  49                     assert_equals(event.type, 'message');
  50                     assert_equals(event.messageType, 'license-request');
  51
  52                     var keyId = extractSingleKeyIdFromMessage(event.message);
  53                     var jwkSet = stringToUint8Array(createJWKSet(createJWK(keyId, rawKey)));
  54                     event.target.update(jwkSet).then(function(result) {
  55                         isUpdatePromiseResolved = true;
  56                     }).catch(function(error) {
  57                         forceTestFailureFromPromise(test, error);
  58                     });
  59                 }
  60
  61                 function onPlaying(event)
  62                 {
  63                     // Not using waitForEventAndRunStep() to avoid too many
  64                     // EVENT(onTimeUpdate) logs.
  65                     video.addEventListener('timeupdate', onTimeUpdate, true);
  66                 }
  67
  68                 function onTimeUpdate(event)
  69                 {
  70                     if (event.target.currentTime < 0.2 || !isUpdatePromiseResolved)
  71                         return;
  72
  73                     video.removeEventListener('timeupdate', onTimeUpdate, true);
  74
  75                     if (playbackCount > 2) {
  76                         test.done();
  77                         return;
  78                     }
  79
  80                     playbackCount++;
  81
  82                     resetSrc().then(function(){
  83                       startPlayback();
  84                     });
  85                 }
  86
  87                 function resetSrc() {
  88                     encryptedEventCount = 0;
  89                     video.removeAttribute('src');
  90                     video.load();
  91                     return video.setMediaKeys(null);
  92                 }
  93
  94                 function startPlayback() {
  95                     if (playbackCount % 2) {
  96                       video.src = '../content/test-vp8-vorbis-webvtt.webm';
  97                       video.play();
  98                       return;
  99                     }
 100
 101                     navigator.requestMediaKeySystemAccess('org.w3.clearkey', [{}]).then(function(access) {
 102                         return access.createMediaKeys();
 103                     }).then(function(mediaKeys) {
 104                         return video.setMediaKeys(mediaKeys);
 105                     }).then(function(result) {
 106                         video.src = '../content/test-encrypted.webm';
 107                         assert_false(video.mediaKeys === null, "video.mediaKeys is null.");
 108                         video.play();
 109                     }).catch(function(error) {
 110                         forceTestFailureFromPromise(test, error);
 111                     });
 112                 }
 113
 114                 waitForEventAndRunStep('playing', video, onPlaying, test);
 115                 waitForEventAndRunStep('encrypted', video, onEncrypted, test);
 116                 startPlayback();
 117             }, 'Multiple playbacks alternating between encrypted and clear sources.');
 118         </script>
 119     </body>
 120 </html>