57 lines
2.1 KiB
HTML
57 lines
2.1 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<title>MSE: Check that playback only starts once we have data at time = 0</title>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="text/javascript" src="mediasource.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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</head>
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<body>
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<pre id="test">
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<script class="testbody" type="text/javascript">
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SimpleTest.waitForExplicitFinish();
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runWithMSE(async (ms, el) => {
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el.controls = true;
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el.addEventListener("loadeddata", () => {
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ok(el.buffered.length, "data is buffered");
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is(el.buffered.start(0), 0, "must fire loadeddata when data has been loaded");
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is(el.currentTime, 0, "must fire loadeddata at start");
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});
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el.addEventListener("playing", () => {
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ok(el.buffered.length, "data is buffered");
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is(el.buffered.start(0), 0, "must fire playing when data has been loaded");
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ok(el.currentTime >= 0, "must have started playback");
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});
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await once(ms, "sourceopen");
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ok(true, "Receive a sourceopen event");
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const videosb = ms.addSourceBuffer("video/mp4");
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is(el.readyState, el.HAVE_NOTHING, "readyState is HAVE_NOTHING");
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let p = once(el, "loadedmetadata");
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await fetchAndLoad(videosb, "bipbop/bipbop_video", ["init"], ".mp4");
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await p;
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videosb.appendWindowStart = 2;
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videosb.appendWindowEnd = 4;
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is(el.readyState, el.HAVE_METADATA, "readyState is HAVE_METADATA");
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// Load [2.4, 3.968344). 2.4 as it's the first keyframe after 2s and
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// 3.968344 as the last frame ends after 4s.
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await fetchAndLoad(videosb, "bipbop/bipbop_video", range(1, 8), ".m4s");
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is(el.readyState, el.HAVE_METADATA, "readyState is HAVE_METADATA");
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// test that appendWindowEnd did its job.
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ok(el.buffered.start(0) >= 2, "no data can be found prior appendWindowStart");
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ok(el.buffered.end(el.buffered.length - 1) <= 4, "no data can be found beyond appendWindowEnd");
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el.play();
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await once(el, "play");
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videosb.appendWindowStart = 0;
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p = once(el, "playing");
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await fetchAndLoad(videosb, "bipbop/bipbop_video", range(1, 8), ".m4s");
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await p;
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ok(true, "playing");
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SimpleTest.finish();
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});
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</script>
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</pre>
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</body>
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</html>
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