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<!doctype html>
<html>
<head>
<meta charset=utf-8>
<meta name="timeout" content="long">
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src="RTCPeerConnection-helper.js"></script>
</head>
<body>
<script>
'use strict';
// This test checks that <video> capture works via PeerConnection.
promise_test(async t => {
const sourceVideo = document.createElement('video');
sourceVideo.src = "/media/test-v-128k-320x240-24fps-8kfr.webm";
sourceVideo.loop = true;
const onCanPlay = new Promise(r => sourceVideo.oncanplay = r);
await onCanPlay;
const pc1 = new RTCPeerConnection();
t.add_cleanup(() => pc1.close());
const pc2 = new RTCPeerConnection();
t.add_cleanup(() => pc2.close());
// Attach video to pc1.
const stream = sourceVideo.captureStream();
const tracks = stream.getTracks();
pc1.addTrack(tracks[0]);
const destVideo = document.createElement('video');
destVideo.autoplay = true;
// Setup pc1->pc2.
const haveTrackEvent1 = new Promise(r => pc2.ontrack = r);
exchangeIceCandidates(pc1, pc2);
await pc1.setLocalDescription();
await pc2.setRemoteDescription(pc1.localDescription);
await pc2.setLocalDescription();
await pc1.setRemoteDescription(pc2.localDescription);
// Display pc2 received track in video element.
const onLoadedMetadata = new Promise(r => destVideo.onloadedmetadata = r);
destVideo.srcObject = new MediaStream([(await haveTrackEvent1).track]);
// Start playback and wait for video on the other side.
sourceVideo.play();
await onLoadedMetadata;
// Wait until the video has non-zero resolution and some non-black pixels.
await new Promise(p => {
function checkColor() {
if (destVideo.videoWidth > 0 && getVideoSignal(destVideo) > 0.0)
p();
else
t.step_timeout(checkColor, 0);
}
checkColor();
});
// Uses Helper.js GetVideoSignal to query |destVideo| pixel value at a certain position.
const pixelValue = getVideoSignal(destVideo);
// Anything non-black means that capture works.
assert_not_equals(pixelValue, 0);
}, "Capturing a video element and sending it via PeerConnection");
</script>
</body>
</html>
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