зеркало из https://github.com/mozilla/gecko-dev.git
81 строка
3.1 KiB
HTML
81 строка
3.1 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<title>MSE: live seekable range</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, v) {
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ms.addEventListener("sourceopen", function () {
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var sb = ms.addSourceBuffer("video/webm");
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// Load data with a +2 offset so that we can distinguish buffered range start
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// and seekable range start.
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sb.timestampOffset = 2;
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var promises = [];
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promises.push(fetchAndLoad(sb, 'seek', [''], '.webm'));
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promises.push(once(v, "loadedmetadata"));
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Promise.all(promises)
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.then(function() {
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ms.duration = Infinity;
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sb.abort();
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is(sb.buffered.length, 1, "continuous buffered range");
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is(sb.buffered.start(0), 2, "buffered range start at timestamp offset");
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is(sb.buffered.end(0), 6.001, "buffered range end at original duration + timestamp offset");
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is(v.seekable.length, 1, "continuous seekable range");
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is(v.seekable.start(0), 0, "seekable range start at 0");
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is(v.seekable.end(0), sb.buffered.end(0), "seekable range end at buffered end");
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// LiveSeekableRange.start < buffered.start
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ms.setLiveSeekableRange(1, 5);
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is(v.seekable.length, 1, "continuous seekable range");
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is(v.seekable.start(0), 1, "seekable range start at live range start");
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is(v.seekable.end(0), sb.buffered.end(0), "seekable range end at buffered end");
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ms.clearLiveSeekableRange();
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ok(v.seekable.length, 1, "continuous seekable range");
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is(v.seekable.start(0), 0, "seekable range start at 0");
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is(v.seekable.end(0), sb.buffered.end(0), "seekable range end at buffered end");
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// LiveSeekableRange.end > buffered.end
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ms.setLiveSeekableRange(1, 8);
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is(v.seekable.start(0), 1, "seekable range start at live range start");
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is(v.seekable.end(0), 8, "seekable range end at live range end");
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// LiveSeekableRange.start > buffered.start
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// LiveSeekableRange.end < buffered.end
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ms.setLiveSeekableRange(3, 5);
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is(v.seekable.start(0), sb.buffered.start(0), "seekable range start at buffered start");
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is(v.seekable.end(0), sb.buffered.end(0), "seekable range end at live range end");
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// LiveSeekableRange.start > buffered.end
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ms.setLiveSeekableRange(8, 10);
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is(v.seekable.start(0), sb.buffered.start(0), "seekable range start at buffered start");
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is(v.seekable.end(0), 10, "seekable range end at live range end");
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// LiveSeekableRange.end < buffered.start
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ms.setLiveSeekableRange(0, 2);
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is(v.seekable.start(0), 0, "seekable range start at live range start");
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is(v.seekable.end(0), sb.buffered.end(0), "seekable range end at buffered end");
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try {
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ms.setLiveSeekableRange(2, 0);
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ok(false, "start > end");
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} catch (e) { ok(true, "must thow if start > 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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