gecko-dev/dom/media/test/test_streams_autoplay.html

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HTML

<!DOCTYPE HTML>
<html>
<head>
<title>Test that a MediaStream source triggers autoplay</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
<script type="text/javascript" src="manifest.js"></script>
</head>
<body>
<pre id="test">
<script class="testbody" type="text/javascript">
SimpleTest.waitForExplicitFinish();
var media = getPlayableVideo(gSmallTests);
if (media == null) {
todo(false, "No media supported.");
SimpleTest.finish();
} else {
function startTest() {
var v1 = document.createElement('video');
var v2 = document.createElement('video');
v1.preload = 'metadata';
v2.autoplay = true;
document.body.appendChild(v1);
document.body.appendChild(v2);
v1.src = media.name;
v1.onloadedmetadata = function() {
v2.srcObject = v1.mozCaptureStream();
v1.play();
};
v2.addEventListener('playing', function() {
ok(true, "playback started");
SimpleTest.finish();
}, {once: true});
}
startTest();
}
</script>
</pre>
</body>
</html>