mediasource-worker-play.html

Enable keyboard shortcuts

This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /media-source/dedicated-worker/mediasource-worker-play.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

<title>Simple MediaSource-in-Worker playback test case</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="mediasource-message-util.js"></script>

<body>

<script>

async_test(t => {

  // Fail fast if MSE-in-Workers is not supported.

  assert_true(

      MediaSource.hasOwnProperty('canConstructInDedicatedWorker'),

      'MediaSource hasOwnProperty \'canConstructInDedicatedWorker\'');

  assert_true(

      MediaSource.canConstructInDedicatedWorker,

      'MediaSource.canConstructInDedicatedWorker');

  const video = document.createElement('video');

  document.body.appendChild(video);

  video.onerror = t.unreached_func('video element error');

  video.onended = t.step_func_done();

  let worker = new Worker('mediasource-worker-play.js');

  worker.onerror = t.unreached_func('worker error');

  worker.onmessage = t.step_func(e => {

    let subject = e.data.subject;

    assert_true(subject != undefined, 'message must have a subject field');

    switch (subject) {

      case messageSubject.ERROR:

        assert_unreached('Worker error: ' + e.data.info);

        break;

      case messageSubject.HANDLE:

        const handle = e.data.info;

        video.srcObject = handle;

        video.play();

        break;

      default:

        assert_unreached('Unexpected message subject: ' + subject);

});

}, 'Test worker MediaSource construction, attachment, buffering and basic playback');

// See mediasource-worker-handle-transfer.html for a case that tests race of

// multiple simultaneous attachments of same handle to multiple elements.

</script>

</body>

</html>