зеркало из https://github.com/mozilla/gecko-dev.git
91 строка
3.4 KiB
HTML
91 строка
3.4 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<title>MSE: basic functionality</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(async (ms, v) => {
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SimpleTest.doesThrow(() => new SourceBuffer, "new SourceBuffer should fail");
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SimpleTest.doesThrow(() => new SourceBufferList, "new SourceBufferList direct should fail");
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ok(ms instanceof EventTarget, "MediaSource must be an EventTarget");
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is(ms.readyState, "closed", "New MediaSource must be in closed state");
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// Wrapper creation, tests for leaks.
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SpecialPowers.wrap(ms);
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// Set an expando to force wrapper creation, tests for leaks.
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ms.foo = null;
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ok(URL.createObjectURL(ms), "Create an objectURL from the MediaSource");
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let loadedmetadataCount = 0;
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let updatestartCount = 0;
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let updateendCount = 0;
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let updateCount = 0;
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await once(ms, "sourceopen");
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ok(true, "Receive a sourceopen event");
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is(ms.readyState, "open", "MediaSource must be in open state after sourceopen");
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const sb = ms.addSourceBuffer("video/mp4");
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ok(sb, "Create a SourceBuffer");
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is(ms.sourceBuffers.length, 1, "MediaSource.sourceBuffers is expected length");
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is(ms.sourceBuffers[0], sb, "SourceBuffer in list matches our SourceBuffer");
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is(ms.activeSourceBuffers.length, 0, "MediaSource.activeSourceBuffers is expected length");
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sb.appendBuffer(new Uint8Array(await fetchWithXHR("bipbop/bipbop2s.mp4")));
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is(sb.updating, true, "SourceBuffer.updating is expected value after appendBuffer");
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sb.addEventListener("update", () => {
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is(sb.updating, false, "SourceBuffer.updating is expected value in update event");
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updateCount++;
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/* Ensure that we endOfStream on the first update event only as endOfStream can
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raise more if the duration of the last buffered range and the intial duration
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differ. See bug 1065207 */
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if (updateCount == 1) {
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ms.endOfStream();
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}
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});
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sb.addEventListener("updatestart", () => updatestartCount++);
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sb.addEventListener("updateend", () => {
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is(ms.activeSourceBuffers[0], sb, "SourceBuffer in active list matches our SourceBuffer");
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is(sb.updating, false, "SourceBuffer.updating is expected value in updateend event");
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updateendCount++;
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v.play();
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});
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ms.addEventListener("sourceended", () => {
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ok(true, "Receive a sourceended event");
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is(ms.readyState, "ended", "MediaSource must be in ended state after sourceended");
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});
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v.addEventListener("loadedmetadata", () => loadedmetadataCount++);
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await once(v, "ended");
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// The bipbop video doesn't start at 0. The old MSE code adjust the
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// timestamps and ignore the audio track. The new one doesn't.
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isfuzzy(v.duration, 1.696, 0.166, "Video has correct duration");
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isfuzzy(v.currentTime, 1.696, 0.166, "Video has correct duration");
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// XXX: 2 update events can be received dueto duration differences, see bug 1065207.
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ok(updateCount == 1 || updateCount == 2, "update event received");
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ok(updateendCount == 1 || updateendCount == 2, "updateend event received");
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ok(updatestartCount == 1 || updatestartCount == 2, "updatestart event received");
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is(loadedmetadataCount, 1, "loadedmetadata event received");
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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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