test_BufferedSeekCanPlayThrough.html

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<html><head>

<meta http-equiv="content-type" content="text/html; charset=windows-1252">

  <title>MSE: Don't get stuck buffering for too long when we have frames to show</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) => {

  logEvents(v);

  await once(ms, "sourceopen");

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

  ms.addEventListener("sourceopen", () => ok(false, "No more sourceopen"));

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

  ok(sb, "Create a SourceBuffer");

  sb.addEventListener("error", e => {

    ok(false, "Got Error: " + e);

    SimpleTest.finish();

});

  // Load just the beginning of the media, and the end. Verify

  // that canplaythrough isn't fired, and waiting is fired.

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

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

  await fetchAndLoad(sb, "bipbop/bipbop_video", ["9"], ".m4s");

  // Slighly before the end of the first segment.

  v.currentTime = v.buffered.end(0) - 0.1;

  v.onseeked = function() {

    is(v.readyState, HTMLMediaElement.HAVE_FUTURE_DATA,

    "readyState is HAVE_FUTURE_DATA after seeking close to a large gap");

    SimpleTest.finish();

  v.oncanplaythrough = function() {

    ok(false, "Should not have received canplaythrough");

    SimpleTest.finish();

});

</script>

</pre>

</body>

</html>