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<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>Test cloneElementVisually</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="application/javascript" src="https://example.com:443/tests/dom/media/test/cloneElementVisually_helpers.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css">
</head>
<body>
<div id="content">
<h1>Original</h1>
<video id="original"></video>
<h1>MediaStream</h1>
<video id="streamTarget"></video>
<h1>Clone</h1>
</div>
<div id="results">
<h1>Results</h1>
<canvas id="left"></canvas>
<canvas id="right"></canvas>
</div>
<script type="application/javascript">
/* import-globals-from cloneElementVisually_helpers.js */
/**
* Test that we can clone a video that is playing a MediaStream.
*/
add_task(async () => {
await setup();
let originalVideo = document.getElementById("original");
let stream = originalVideo.mozCaptureStream();
let streamTarget = document.getElementById("streamTarget");
originalVideo.setAttribute("loop", true);
let playingPromise = waitForEventOnce(originalVideo, "playing");
await originalVideo.play();
await playingPromise;
streamTarget.srcObject = stream;
playingPromise = waitForEventOnce(streamTarget, "playing");
await streamTarget.play();
await playingPromise
await withNewClone(originalVideo, async clone => {
await SpecialPowers.wrap(streamTarget).cloneElementVisually(clone);
originalVideo.loop = false;
originalVideo.currentTime = originalVideo.duration - 0.1;
await waitForEventOnce(streamTarget, "ended");
ok(await assertVideosMatch(originalVideo, streamTarget),
"Should match Original video");
ok(await assertVideosMatch(streamTarget, clone),
"Should match MediaStream");
});
// Capturing a stream from a video "taints" it which prevents testing
// shutdown decoder behaviour. To avoid interfering with future tests,
// we replace the video.
let newVideo = originalVideo.cloneNode();
originalVideo.parentNode.replaceChild(newVideo, originalVideo);
});
</script>
</body>
</html>
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