src/third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-playback-multiple-sessions.html

   1 <!DOCTYPE html>
   2 <html>
   3     <head>
   4         <title>Clear Key Playback with Multiple Sessions</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         <p>Test playback of encrypted media using Clear Key key system with multiple sessions.</p>
  13         <script>
  14             async_test(function(test)
  15             {
  16                 var video = document.getElementById('testVideo');
  17                 var audioMediaKeySession = null;
  18                 var videoMediaKeySession = null;
  19                 var audioInitDataType = null;
  20                 var videoInitDataType = null;
  21                 var audioInitData = null;
  22                 var videoInitData = null;
  23                 var audioKeyProvided = false;
  24                 var videoKeyProvided = false;
  25
  26                 // The 2 streams use different key ids and different keys.
  27                 var audioKeyId = '1234567890123456';
  28                 var audioKey = new Uint8Array([0x30, 0x30, 0x62, 0xF1, 0x68, 0x14, 0xD2, 0x7B,
  29                                                0x68, 0xEF, 0x12, 0x2A, 0xFC, 0xE4, 0xAE, 0x0A]);
  30                 var videoKeyId = '0123456789012345';
  31                 var videoKey = new Uint8Array([0x7A, 0x7A, 0x62, 0xF1, 0x68, 0x14, 0xD2, 0x7B,
  32                                                0x68, 0xEF, 0x12, 0x2A, 0xFC, 0xE4, 0xAE, 0x0A]);
  33
  34                 function onEncrypted(event)
  35                 {
  36                     var keyId = String.fromCharCode.apply(null, new Uint8Array(event.initData));
  37
  38                     // To avoid issues when comparing the expected.txt file
  39                     // (which logs the events in the order they occur), save
  40                     // the initData and make the calls to generateRequest()
  41                     // only after both "onencrypted" events are received.
  42                     // This prevents a "message" event from occurring before
  43                     // both "onencrypted" events are received.
  44                     var mediaKeySession = video.mediaKeys.createSession();
  45                     if (keyId == videoKeyId) {
  46                         assert_equals(videoMediaKeySession, null);
  47                         videoMediaKeySession = mediaKeySession;
  48                         videoInitDataType = event.initDataType;
  49                         videoInitData = event.initData;
  50                         // Return if audio "onencrypted" event not yet received.
  51                         if (audioMediaKeySession == null)
  52                             return;
  53                     } else {
  54                         assert_equals(keyId, audioKeyId);
  55                         assert_equals(audioMediaKeySession, null);
  56                         audioMediaKeySession = mediaKeySession;
  57                         audioInitDataType = event.initDataType;
  58                         audioInitData = event.initData;
  59                         // Return if video "onencrypted" event not yet received.
  60                         if (videoMediaKeySession == null)
  61                             return;
  62                     }
  63
  64                     // Both sessions have been created.
  65                     assert_not_equals(videoMediaKeySession, null);
  66                     assert_not_equals(audioMediaKeySession, null);
  67
  68                     var promises = [];
  69                     waitForEventAndRunStep('message', videoMediaKeySession, onMessage, test);
  70                     promises.push(videoMediaKeySession.generateRequest(videoInitDataType, videoInitData));
  71
  72                     waitForEventAndRunStep('message', audioMediaKeySession, onMessage, test);
  73                     promises.push(audioMediaKeySession.generateRequest(audioInitDataType, audioInitData));
  74
  75                     Promise.all(promises).catch(function(error) {
  76                         forceTestFailureFromPromise(test, error);
  77                     });
  78                 }
  79
  80                 function onMessage(event)
  81                 {
  82                     var keyId = extractSingleKeyIdFromMessage(event.message);
  83                     if (event.target == videoMediaKeySession) {
  84                         assert_equals(String.fromCharCode.apply(null, keyId), videoKeyId);
  85                         var jwkSet = stringToUint8Array(createJWKSet(createJWK(keyId, videoKey)));
  86                         videoMediaKeySession.update(jwkSet).then(function(result) {
  87                             videoKeyProvided = true;
  88                         }).catch(function(error) {
  89                             forceTestFailureFromPromise(test, error);
  90                         });
  91                     } else {
  92                         assert_equals(event.target, audioMediaKeySession);
  93                         assert_equals(String.fromCharCode.apply(null, keyId), audioKeyId);
  94                         var jwkSet = stringToUint8Array(createJWKSet(createJWK(keyId, audioKey)));
  95                         audioMediaKeySession.update(jwkSet).then(function(result) {
  96                             audioKeyProvided = true;
  97                         }).catch(function(error) {
  98                             forceTestFailureFromPromise(test, error);
  99                         });
 100                     }
 101                 }
 102
 103                 function onPlaying(event)
 104                 {
 105                     // Video should not start playing until both keys have been
 106                     // provided.
 107                     assert_true(videoKeyProvided);
 108                     assert_true(audioKeyProvided);
 109
 110                     // Not using waitForEventAndRunStep() to avoid too many
 111                     // EVENT(onTimeUpdate) logs.
 112                     video.addEventListener('timeupdate', onTimeUpdate, true);
 113                 }
 114
 115                 function onTimeUpdate(event)
 116                 {
 117                     if (event.target.currentTime < 0.2)
 118                         return;
 119
 120                     test.done();
 121                 }
 122
 123                 navigator.requestMediaKeySystemAccess('org.w3.clearkey').then(function(access) {
 124                     return access.createMediaKeys();
 125                 }).then(function(mediaKeys) {
 126                     waitForEventAndRunStep('encrypted', video, onEncrypted, test);
 127                     waitForEventAndRunStep('playing', video, onPlaying, test);
 128                     video.src = '../content/test-encrypted-different-av-keys.webm';
 129                     return video.setMediaKeys(mediaKeys);
 130                 }).then(function(result) {
 131                     video.play();
 132                 }).catch(function(error) {
 133                     forceTestFailureFromPromise(test, error);
 134                 });
 135             }, 'Playback using Clear Key key system with multiple sessions.');
 136         </script>
 137     </body>
 138 </html>