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<!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>
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