test_DrainOnMissingData_mp4.html

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  <title>MSE: |waiting| event when source data is missing</title>

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

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

  // Set appendWindowEnd to ensure we only have about 6 frames worth.

  // We must feed at least 6 frames to pass the MDSM pre-roll.

  videosb.appendWindowEnd = .4;

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

  info("Invoking play()");

  const p = once(el, "playing");

  await el.play();

  await p;

  info("got playing");

  await once(el, "waiting");

  info("got waiting");

  info("Loading more data");

  // Waiting will be fired on the last frame +- 40ms.

  isfuzzy(el.currentTime, videosb.buffered.end(0) - 1 / 30,

          0.04, `Got a waiting event at ${el.currentTime}`);

  videosb.appendWindowEnd = 1;

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

  ms.endOfStream();

  await once(el, "ended");

  // These fuzz factors are bigger than they should be. We should investigate

  // and fix them in bug 1137574.

  is(el.duration, 0.801666, "Video has correct duration: " + el.duration);

  is(el.currentTime, el.duration, "Video has correct currentTime.");

  SimpleTest.finish();

});

</script>

</pre>

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