76 lines
3.1 KiB
HTML
76 lines
3.1 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 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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const eps = 0.01;
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await once(ms, "sourceopen");
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ok(true, "Receive a sourceopen event");
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const audiosb = ms.addSourceBuffer("audio/mp4");
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const videosb = ms.addSourceBuffer("video/mp4");
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// We divide the video into 3 chunks:
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// chunk 0: segments 1-4
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// chunk 1: segments 5-8
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// chunk 2: segments 9-13
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// We then fill the timeline so that it seamlessly plays the chunks in order 0, 2, 1.
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const vchunks = [{start: 0, end: 3.2033},
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{ start: 3.2033, end: 6.4066},
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{ start: 6.4066, end: 10.01}];
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const firstvoffset = vchunks[2].end - vchunks[2].start; // Duration of chunk 2
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const secondvoffset = -(vchunks[1].end - vchunks[1].start); // -(Duration of chunk 1)
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await fetchAndLoad(videosb, "bipbop/bipbop_video", ["init"], ".mp4");
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await fetchAndLoad(videosb, "bipbop/bipbop_video", range(1, 5), ".m4s");
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is(videosb.buffered.length, 1, "No discontinuity");
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isfuzzy(videosb.buffered.start(0), vchunks[0].start, eps, "Chunk start");
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isfuzzy(videosb.buffered.end(0), vchunks[0].end, eps, "Chunk end");
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videosb.timestampOffset = firstvoffset;
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await fetchAndLoad(videosb, "bipbop/bipbop_video", range(5, 9), ".m4s");
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is(videosb.buffered.length, 2, "One discontinuity");
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isfuzzy(videosb.buffered.start(0), vchunks[0].start, eps, "First Chunk start");
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isfuzzy(videosb.buffered.end(0), vchunks[0].end, eps, "First chunk end");
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isfuzzy(videosb.buffered.start(1), vchunks[1].start + firstvoffset, eps, "Second chunk start");
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isfuzzy(videosb.buffered.end(1), vchunks[1].end + firstvoffset, eps, "Second chunk end");
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videosb.timestampOffset = secondvoffset;
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await fetchAndLoad(videosb, "bipbop/bipbop_video", range(9, 14), ".m4s");
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is(videosb.buffered.length, 1, "No discontinuity (end)");
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isfuzzy(videosb.buffered.start(0), vchunks[0].start, eps, "Chunk start");
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isfuzzy(videosb.buffered.end(0), vchunks[2].end, eps, "Chunk end");
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audiosb.timestampOffset = 3;
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await fetchAndLoad(audiosb, "bipbop/bipbop_audio", ["init"], ".mp4");
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await fetchAndLoad(audiosb, "bipbop/bipbop_audio", range(1, 12), ".m4s");
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is(audiosb.buffered.length, 1, "No audio discontinuity");
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isfuzzy(audiosb.buffered.start(0), 3, eps, "Audio starts at 3");
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// Trim the rest of the audio.
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audiosb.remove(videosb.buffered.end(0), Infinity);
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videosb.remove(videosb.buffered.end(0), Infinity);
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if (audiosb.updating) {
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await once(audiosb, "updateend");
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}
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if (videosb.updating) {
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await once(videosb, "updateend");
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}
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info("waiting for play to complete");
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el.play();
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el.currentTime = el.buffered.start(0);
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ms.endOfStream();
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await Promise.all([once(el, "ended"), once(el, "seeked")]);
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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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