test_SeekedEvent_mp4.html

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<head>

  <title>MSE: Check that seeked event is fired prior loadeddata</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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<pre id="test">

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

SimpleTest.waitForExplicitFinish();

runWithMSE(async (ms, el) => {

  el.controls = true;

  const events = ["seeked", "loadeddata", "playing"];

  let eventCount = 0;

  events.forEach(type => el.addEventListener(type,

      () => is(events[eventCount++], type, "events must come in order")));

  await once(ms, "sourceopen");

  ok(true, "Receive a sourceopen event");

  const videosb = ms.addSourceBuffer("video/mp4");

  is(el.readyState, el.HAVE_NOTHING, "readyState is HAVE_NOTHING");

  let p = once(el, "loadedmetadata");

  await fetchAndLoad(videosb, "bipbop/bipbop_video", ["init"], ".mp4");

  await p;

  el.play();

  videosb.timestampOffset = 2;

  is(el.readyState, el.HAVE_METADATA, "readyState is HAVE_METADATA");

  // Load [2, 3.606).

  p = once(el, "play");

  await fetchAndLoad(videosb, "bipbop/bipbop_video", ["1"], ".m4s");

  await p;

  await fetchAndLoad(videosb, "bipbop/bipbop_video", ["2"], ".m4s");

  // TODO: readyState should be at least HAVE_CURRENTDATA, see bug 1367993.

  ok(el.readyState >= el.HAVE_METADATA, "readyState is HAVE_METADATA");

  el.currentTime = 2;

  await Promise.all([once(el, "seeked"), once(el, "playing")]);

  ok(true, "completed seek");

  is(eventCount, events.length, "Received expected number of events");

  SimpleTest.finish();

});

</script>

</pre>

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