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55 lines
2.8 KiB
HTML
55 lines
2.8 KiB
HTML
<!doctype html>
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<html>
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<head>
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<title>Assigning mediastream to a video element</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#navigatorusermedia">
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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 the MediaStream object returned by
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the success callback in getUserMedia can be properly assigned to a video element
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via the <code>srcObject</code> attribute.</p>
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<video id="vid"></video>
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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>
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var vid = document.getElementById("vid");
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var t = async_test("Tests that a MediaStream can be assigned to a video element with srcObject", {timeout: 10000});
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t.step(function() {
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navigator.mediaDevices.getUserMedia({video: true})
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.then(t.step_func(function (stream) {
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var testOncePlaying = function() {
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assert_equals(vid.played.length, 1, "A MediaStream's timeline always consists of a single range");
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assert_equals(vid.played.start(0), 0, "A MediaStream's timeline always consists of a single range");
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assert_equals(vid.played.end(0), vid.currentTime, "A MediaStream's timeline always consists of a single range");
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assert_equals(vid.readyState, vid.HAVE_ENOUGH_DATA, "Upon selecting a media stream, the UA sets readyState to HAVE_ENOUGH_DATA");
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var time = vid.currentTime;
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assert_throws("INVALID_STATE_ERR", function() {
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vid.currentTime = 0;
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});
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assert_equals(vid.currentTime, time, "The UA MUST ignore attempts to set the currentTime attribute");
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// TODO add test that duration must be set to currentTime
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// when mediastream is destroyed
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vid.removeEventListener("timeupdate", testOncePlaying, false);
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t.done();
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}
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vid.addEventListener("timeupdate", t.step_func(testOncePlaying), false);
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vid.srcObject = stream;
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vid.play();
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assert_true(!vid.seeking, "A MediaStream is not seekable");
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assert_equals(vid.seekable.length, 0, "A MediaStream is not seekable");
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assert_equals(vid.defaultPlaybackRate, 1, "playback rate is always 1");
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assert_equals(vid.playbackRate, 1, "playback rate is always 1");
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assert_equals(vid.buffered.length, 0, "A MediaStream cannot be preloaded. Therefore, there is no buffered timeranges");
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assert_equals(vid.duration, Infinity, " A MediaStream does not have a pre-defined duration. ");
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assert_equals(vid.startDate, NaN, " A MediaStream does not specify a timeline offset");
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}), function(error) {});
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});
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</script>
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</body>
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</html>
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