зеркало из https://github.com/mozilla/gecko-dev.git
85 строки
3.2 KiB
HTML
85 строки
3.2 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<title>MSE: data gap detection</title>
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<script type="text/javascript" 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(function(ms, el) {
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var threshold = 0.5; // gap threshold in seconds.
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var fuzz = 0.000001; // fuzz when comparing double.
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once(ms, 'sourceopen').then(function() {
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ok(true, "Receive a sourceopen event");
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var videosb = ms.addSourceBuffer("video/mp4");
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var vchunks = [ {start: 0, end: 3.203333}, { start: 3.203333, end: 6.406666}];
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fetchAndLoad(videosb, 'bipbop/bipbop_video', ['init'], '.mp4')
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.then(fetchAndLoad.bind(null, videosb, 'bipbop/bipbop_video', range(1, 5), '.m4s'))
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.then(function() {
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// We will insert a gap of threshold
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videosb.timestampOffset = threshold;
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return fetchAndLoad(videosb, 'bipbop/bipbop_video', range(5, 9), '.m4s');
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}).then(function() {
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// HTMLMediaElement fires 'waiting' if somebody invokes |play()| before the MDSM
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// has notified it of available data. Make sure that we get 'playing' before
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// we starting waiting for 'waiting'.
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info("Invoking play()");
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var p = once(el, 'playing');
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el.play();
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return p;
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}).then(function() {
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return once(el, 'waiting');
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}).then(function() {
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// We're waiting for data after the start of the last frame.
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// 0.033333 is the duration of the last frame.
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ok(el.currentTime >= vchunks[1].end - 0.033333 + threshold - fuzz
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&& el.currentTime <= vchunks[1].end + threshold + fuzz, "skipped the gap properly: " + el.currentTime + " " + (vchunks[1].end + threshold));
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is(el.buffered.length, 2, "buffered range has right length");
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// Now we test that seeking will succeed despite the gap.
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el.currentTime = el.buffered.end(0) + (threshold / 2);
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return once(el, 'seeked');
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}).then(function() {
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// Now we test that we don't pass the gap.
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// Clean up our sourcebuffer by removing all data.
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videosb.timestampOffset = 0;
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videosb.remove(0, Infinity);
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el.currentTime = 0;
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el.pause();
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return once(videosb, "updateend");
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}).then(function() {
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return fetchAndLoad(videosb, 'bipbop/bipbop_video', range(1, 5), '.m4s');
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}).then(function() {
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// We will insert a gap of threshold + 1ms
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videosb.timestampOffset = threshold + 1/1000;
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return fetchAndLoad(videosb, 'bipbop/bipbop_video', range(5, 9), '.m4s');
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}).then(function() {
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info("Invoking play()");
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var p = once(el, 'playing');
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el.play();
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return p;
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}).then(function() {
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return once(el, 'waiting');
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}).then(function() {
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// We're waiting for data after the start of the last frame.
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// 0.033333 is the duration of the last frame.
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ok(el.currentTime >= vchunks[0].end - 0.033333 - fuzz
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&& el.currentTime <= vchunks[0].end + fuzz, "stopped at the gap properly: " + el.currentTime + " " + vchunks[0].end);
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SimpleTest.finish();
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});
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});
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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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