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The Tor Browser
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test_eme_unsetMediaKeys_then_capture.html (3084B)

      1 <!DOCTYPE HTML>
      2 <html>
      3 <head>
      4  <title>Test Encrypted Media Extensions</title>
      5  <script src="/tests/SimpleTest/SimpleTest.js"></script>
      6  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
      7  <script type="text/javascript" src="manifest.js"></script>
      8  <script type="text/javascript" src="https://example.com:443/tests/dom/media/test/eme.js"></script>
      9 </head>
     10 <body>
     11 <pre id="test">
     12 <script class="testbody" type="text/javascript">
     13 /* import-globals-from eme.js */
     14 var manager = new MediaTestManager;
     15 
     16 // Test that if we can capture a video frame while playing clear content after
     17 // removing the MediaKeys object which was used for a previous encrypted content
     18 // playback on the same video element
     19 function startTest(test, token)
     20 {
     21  manager.started(token);
     22  var sessions = [];
     23  function onSessionCreated(session) {
     24    sessions.push(session);
     25  }
     26 
     27  function closeSessions() {
     28    let p = new EMEPromise;
     29    Promise.all(sessions.map(s => s.close()))
     30    .then(p.resolve, p.reject);
     31    return p.promise;
     32  }
     33 
     34  let v = document.createElement("video");
     35  document.body.appendChild(v);
     36 
     37  let finish = new EMEPromise;
     38 
     39  function onVideoEnded() {
     40    ok(true, TimeStamp(token) + " (ENCRYPTED) content playback ended.");
     41 
     42    function playClearVideo() {
     43      var p1 = once(v, 'loadeddata', () => {
     44        ok(true, TimeStamp(token) + " Receiving event 'loadeddata' for (CLEAR) content.");
     45        let canvasElem = document.createElement('canvas');
     46        document.body.appendChild(canvasElem);
     47        let ctx2d = canvasElem.getContext('2d');
     48 
     49        var gotTypeError = false;
     50        try {
     51          ctx2d.drawImage(v, 0, 0);
     52        } catch (ex) {
     53          if (ex instanceof TypeError) {
     54            gotTypeError = true;
     55          }
     56        }
     57        ok(!gotTypeError, TimeStamp(token) + " Canvas2D context drawImage succeed.")
     58      });
     59      v.src = 'bipbop_225w_175kbps.mp4';
     60      v.play();
     61      Promise.all([p1]).then(() => {
     62        manager.finished(token);
     63      }, () => {
     64        ok(false, TimeStamp(token) + " Something wrong.");
     65        manager.finished(token);
     66      });
     67    }
     68 
     69    closeSessions()
     70    .then(() => {
     71      v.setMediaKeys(null)
     72      .then(() => {
     73        ok(true, TimeStamp(token) + " Setting MediaKeys to null.");
     74        playClearVideo();
     75      }, () => {
     76        ok(false, TimeStamp(token) + " Setting MediaKeys to null.");
     77      });;
     78    });
     79  }
     80 
     81  once(v, "ended", onVideoEnded);
     82 
     83  // Create a MediaKeys object and set to HTMLMediaElement then start the playback.
     84  Promise.all([
     85    LoadInitData(v, test, token),
     86    CreateAndSetMediaKeys(v, test, token),
     87    LoadTest(test, v, token)])
     88  .then(values => {
     89    let initData = values[0];
     90    v.play();
     91    initData.map(ev => {
     92      let session = v.mediaKeys.createSession();
     93      onSessionCreated(session);
     94      MakeRequest(test, token, ev, session);
     95    });
     96  })
     97  .then(() => {
     98    return finish.promise;
     99  })
    100  .catch(reason => ok(false, reason))
    101 }
    102 
    103 SimpleTest.waitForExplicitFinish();
    104 manager.runTests(gEMETests, startTest);
    105 </script>
    106 </pre>
    107 </body>
    108 </html>