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<!DOCTYPE HTML>
<html>
<head>
<title>MSE: append data and check that mediasource duration got updated</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="text/javascript" src="mediasource.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<pre id="test">
<script class="testbody" type="text/javascript">
SimpleTest.waitForExplicitFinish();
runWithMSE(async (ms, v) => {
await once(ms, "sourceopen");
const sb = ms.addSourceBuffer("video/webm");
let durationChangeCount = 0;
v.addEventListener("durationchange", () => durationChangeCount++);
const arrayBuffer = await fetchWithXHR("seek.webm");
sb.appendBuffer(new Uint8Array(arrayBuffer, 0, 318));
// Adding the first init segment will fire a durationchange.
await Promise.all([once(sb, "updateend"), once(v, "loadedmetadata")]);
ok(true, "got loadedmetadata");
// Set mediasource duration to 0, so future appendBuffer
// will update the mediasource duration.
// Changing the duration will fire a durationchange.
ms.duration = 0;
sb.appendBuffer(new Uint8Array(arrayBuffer, 318));
// Adding more data will fire durationchange.
await once(sb, "updateend");
ok(true, "got updateend");
// this will not fire durationchange as new duration == old duration
ms.endOfStream();
await once(ms, "sourceended");
is(durationChangeCount, 3, "durationchange not fired as many times as expected");
// XXX: Duration should be exactly 4.0, see bug 1065207.
ok(Math.abs(v.duration - 4) <= 0.002, "Video has correct duration");
SimpleTest.finish();
});
</script>
</pre>
</body>
</html>
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