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35 lines
1.4 KiB
HTML
35 lines
1.4 KiB
HTML
<!doctype html>
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<html>
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<head>
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<title>Retrieving a track from a MediaStream</title>
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<link rel="author" title="Dominique Hazael-Massieux" href="mailto:dom@w3.org"/>
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<link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#widl-MediaStream-getTrackById-MediaStreamTrack-DOMString-trackId">
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</head>
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<body>
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<p class="instructions">When prompted, accept to share your video stream.</p>
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<h1 class="instructions">Description</h1>
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<p class="instructions">This test checks that MediaStream.getTrackById behaves as expected</p>
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<div id='log'></div>
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<script src=/resources/testharness.js></script>
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<script src=/resources/testharnessreport.js></script>
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<script src="/common/vendor-prefix.js" data-prefixed-objects='[{"ancestors":["navigator"], "name":"getUserMedia"}]'></script>
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<script>
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var t = async_test("Tests that MediaStream.getTrackById works as expected", {timeout: 10000});
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t.step(function () {
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navigator.getUserMedia(
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{video: true},
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t.step_func(gotVideo),
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t.step_func(function (error) {
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assert_unreached('Unexpected getUserMedia error: ' + error);
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}));
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function gotVideo(stream) {
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var track = stream.getVideoTracks()[0];
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assert_equals(track, stream.getTrackById(track.id), "getTrackById returns track of given id");
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assert_equals(stream.getTrackById(track.id + "foo"), null, "getTrackById of inexistant id returns null");
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t.done();
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}
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});
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</script>
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</body>
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</html>
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