зеркало из https://github.com/mozilla/gecko-dev.git
50 строки
2.0 KiB
HTML
50 строки
2.0 KiB
HTML
<!DOCTYPE html>
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<html><head>
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<meta http-equiv="content-type" content="text/html; charset=windows-1252">
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<title>MSE: Don't get stuck buffering for too long when we have frames to show</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"><script class="testbody" type="text/javascript">
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SimpleTest.waitForExplicitFinish();
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// This test loads partial video, plays and waits until playback stalls.
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// It then loads only 3 frames of a video at higher resolution.
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runWithMSE(async (ms, v) => {
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await once(ms, "sourceopen");
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ok(true, "Receive a sourceopen event");
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ms.addEventListener("sourceopen", () => ok(false, "No more sourceopen"));
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const sb = ms.addSourceBuffer("video/mp4");
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ok(sb, "Create a SourceBuffer");
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logEvents(v);
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sb.addEventListener("error", e => {
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ok(false, `should not fire ${e.type} event`);
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SimpleTest.finish();
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});
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await fetchAndLoad(sb, "bipbop/bipbop", ["init"], ".mp4");
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const p = once(v, "loadeddata");
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await fetchAndLoad(sb, "bipbop/bipbop", range(1, 3), ".m4s");
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await p;
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is(sb.buffered.length, 1, "continuous range");
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v.play();
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// We have nothing to play, waiting will be fired.
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await waitUntilTime(v, 1.5);
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await fetchAndLoad(sb, "bipbop/bipbop_480_624kbps-video", ["init"], ".mp4");
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sb.timestampOffset = 1.601666; // End of the video track buffered - time of first video sample (0.095).
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sb.appendWindowEnd = 1.796677; // Only allow room for three extra video frames (we need 3 as this video has b-frames).
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await fetchAndLoad(sb, "bipbop/bipbop_480_624kbps-video", ["1"], ".m4s");
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ms.endOfStream();
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await Promise.all([once(ms, "sourceended"), once(v, "playing"), once(v, "ended")]);
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is(v.videoWidth, 640, "has proper width");
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is(v.videoHeight, 480, "has proper height");
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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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