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<!DOCTYPE HTML>
<html>
<head>
<script type="application/javascript" src="mediaStreamPlayback.js"></script>
<script type="application/javascript" src="/tests/dom/canvas/test/captureStream_common.js"></script>
</head>
<body>
<pre id="test">
<script type="application/javascript">
"use strict";
createHTML({
title: "Testing that removeTrack+addTrack of video tracks still render the correct track in a media element",
bug: "1223696",
visible: true
});
runTest(async function() {
const stream = await getUserMedia({audio:true, video: true});
info("Test addTrack()ing a video track to an audio-only gUM stream");
const video = createMediaElement("video", "test_video_track");
video.srcObject = stream;
video.play();
await haveEvent(video, "loadeddata", wait(5000, new Error("Timeout")));
info("loadeddata");
const removedTrack = stream.getVideoTracks()[0];
stream.removeTrack(removedTrack);
const h = new CaptureStreamTestHelper2D();
const emitter = new VideoFrameEmitter(h.grey, h.grey);
emitter.start();
stream.addTrack(emitter.stream().getVideoTracks()[0]);
checkMediaStreamContains(stream, [stream.getAudioTracks()[0],
emitter.stream().getVideoTracks()[0]]);
await h.pixelMustBecome(video, h.grey, {
threshold: 5,
infoString: "The canvas track should be rendered by the media element",
});
emitter.stop();
for (const t of [removedTrack, ...stream.getAudioTracks()]) {
t.stop();
}
});
</script>
</pre>
</body>
</html>
|
