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         <script>
  13             async_test(function(test)
  14             {
  15                 var video = document.getElementById('testVideo');
  16                 var audioMediaKeySession = null;
  17                 var videoMediaKeySession = null;
  18                 var audioInitDataType = null;
  19                 var videoInitDataType = null;
  20                 var audioInitData = null;
  21                 var videoInitData = null;
  22                 var audioKeyProvided = false;
  23                 var videoKeyProvided = false;
  24
  25                 // The 2 streams use different key ids and different keys.
  26                 var audioKeyId = '1234567890123456';
  27                 var audioKey = new Uint8Array([0x30, 0x30, 0x62, 0xF1, 0x68, 0x14, 0xD2, 0x7B,
  28                                                0x68, 0xEF, 0x12, 0x2A, 0xFC, 0xE4, 0xAE, 0x0A]);
  29                 var videoKeyId = '0123456789012345';
  30                 var videoKey = new Uint8Array([0x7A, 0x7A, 0x62, 0xF1, 0x68, 0x14, 0xD2, 0x7B,
  31                                                0x68, 0xEF, 0x12, 0x2A, 0xFC, 0xE4, 0xAE, 0x0A]);
  32
  33                 function onEncrypted(event)
  34                 {
  35                     var keyId = String.fromCharCode.apply(null, new Uint8Array(event.initData));
  36
  37                     // To avoid issues when comparing the expected.txt file
  38                     // (which logs the events in the order they occur), save
  39                     // the initData and make the calls to generateRequest()
  40                     // only after both "onencrypted" events are received.
  41                     // This prevents a "message" event from occurring before
  42                     // both "onencrypted" events are received.
  43                     var mediaKeySession = video.mediaKeys.createSession();
  44                     if (keyId == videoKeyId) {
  45                         assert_equals(videoMediaKeySession, null);
  46                         videoMediaKeySession = mediaKeySession;
  47                         videoInitDataType = event.initDataType;
  48                         videoInitData = event.initData;
  49                         // Return if audio "onencrypted" event not yet received.
  50                         if (audioMediaKeySession == null)
  51                             return;
  52                     } else {
  53                         assert_equals(keyId, audioKeyId);
  54                         assert_equals(audioMediaKeySession, null);
  55                         audioMediaKeySession = mediaKeySession;
  56                         audioInitDataType = event.initDataType;
  57                         audioInitData = event.initData;
  58                         // Return if video "onencrypted" event not yet received.
  59                         if (videoMediaKeySession == null)
  60                             return;
  61                     }
  62
  63                     // Both sessions have been created.
  64                     assert_not_equals(videoMediaKeySession, null);
  65                     assert_not_equals(audioMediaKeySession, null);
  66
  67                     var promises = [];
  68                     waitForEventAndRunStep('message', videoMediaKeySession, onMessage, test);
  69                     promises.push(videoMediaKeySession.generateRequest(videoInitDataType, videoInitData));
  70
  71                     waitForEventAndRunStep('message', audioMediaKeySession, onMessage, test);
  72                     promises.push(audioMediaKeySession.generateRequest(audioInitDataType, audioInitData));
  73
  74                     Promise.all(promises).catch(function(error) {
  75                         forceTestFailureFromPromise(test, error);
  76                     });
  77                 }
  78
  79                 function onMessage(event)
  80                 {
  81                     assert_equals(event.messageType, 'license-request');
  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>