Quelle test_SeekNoData_mp4.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/media/mediasource/test/test_SeekNoData_mp4.html

<!DOCTYPE HTML>
<html>
<head>
  <title>MSE: basic functionality</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, el) => {
  el.controls = true;
  await once(ms, "sourceopen");
  ok(true, "Receive a sourceopen event");
  const audiosb = ms.addSourceBuffer("audio/mp4");
  const videosb = ms.addSourceBuffer("video/mp4");
  el.addEventListener("error", e => {
    ok(false, `should not fire ${e.type} event`);
    SimpleTest.finish();
  });
  is(el.readyState, el.HAVE_NOTHING, "readyState is HAVE_NOTHING");
  must_not_throw(() => el.currentTime = 3, "setting currentTime is valid");
  is(el.currentTime, 3, "currentTime is default playback start position");
  is(el.seeking, false, "seek not started with HAVE_NOTHING");
  await Promise.all([
    fetchAndLoad(audiosb, "bipbop/bipbop_audio", ["init"], ".mp4"),
    fetchAndLoad(videosb, "bipbop/bipbop_video", ["init"], ".mp4"),
    once(el, "loadedmetadata"),
  ]);
  const p = once(el, "seeking");
  el.play();
  el.currentTime = 5;
  is(el.readyState, el.HAVE_METADATA, "readyState is HAVE_METADATA");
  is(el.seeking, true, "seek not started with HAVE_METADATA");
  is(el.currentTime, 5, "currentTime is seek position");
  await p;
  ok(true, "Got seeking event");
  await Promise.all([
    once(el, "seeked"),
    fetchAndLoad(audiosb, "bipbop/bipbop_audio", range(5, 9), ".m4s"),
    fetchAndLoad(videosb, "bipbop/bipbop_video", range(6, 10), ".m4s"),
  ]);
  ok(true, "Got seeked event");
  ok(el.currentTime >= 5, "Time >= 5");
  ms.endOfStream();
  await once(el, "ended");
  SimpleTest.finish();
});

</script>
</pre>
</body>
</html>

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