test_OnEvents.html

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<head>

  <title>MSE: live seekable range</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" />

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<body>

<pre id="test">

<script class="testbody" type="text/javascript">

SimpleTest.waitForExplicitFinish();

runWithMSE(async (ms, v) => {

  const receiveEvent = e => v["got" + e] = true;

  const msevents = ["onsourceopen", "onsourceended"];

  msevents.forEach(e => ms[e] = () => receiveEvent(e));

  const sblistevents = ["onaddsourcebuffer", "onremovesourcebuffer"];

  sblistevents.forEach(e => ms.sourceBuffers[e] = () => receiveEvent(e));

  await once(ms, "sourceopen");

  const sb = ms.addSourceBuffer("video/webm");

  const sbevents = ["onupdatestart", "onupdate", "onupdateend", "onabort"];

  sbevents.forEach(e => sb[e] = () => receiveEvent(e));

  await fetchAndLoad(sb, "seek", [""], ".webm");

  sb.appendBuffer(await fetchWithXHR("seek.webm"));

  ms.removeSourceBuffer(sb); // will fire abort and removesourcebuffer

  ms.endOfStream(); // will fire sourceended

  await once(ms, "sourceended");

  [...msevents, ...sbevents, ...sblistevents].forEach(e => ok(v["got" + e], "got " + e));

  SimpleTest.finish();

});

</script>

</pre>

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</html>