test_AppendPartialInitSegment.html

Enable keyboard shortcuts

<!DOCTYPE HTML>

<html>

<head>

  <title>MSE: split init segment and append them separately </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");

  const arrayBuffer = await fetchWithXHR("seek.webm");

  // init segment is total 236 bytes.

  info("- append partial init segment -");

  sb.appendBuffer(new Uint8Array(arrayBuffer, 0, 100));

  info("- wait for updateend -");

  await once(sb, "updateend");

  info("- append remaining init segment -");

  sb.appendBuffer(new Uint8Array(arrayBuffer, 100, 136));

  info("- wait for metadata -");

  await once(v, "loadedmetadata");

  is(v.videoWidth, 320, "videoWidth has correct initial value");

  is(v.videoHeight, 240, "videoHeight has correct initial value");

  info("- wait for updateend -");

  await once(sb, "updateend");

  SimpleTest.finish();

});

</script>

</pre>

</body>

</html>