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<!DOCTYPE HTML>
<html>
<head>
<script type="application/javascript" src="pc.js"></script>
<script type="application/javascript" src="/tests/dom/canvas/test/captureStream_common.js"></script>
</head>
<body>
<pre id="test">
<script type="application/javascript">
createHTML({
bug: "1273652",
title: "Video receiver still renders after renegotiation",
visible: true
});
var pc1 = new RTCPeerConnection();
var pc2 = new RTCPeerConnection();
var add = (pc, can, failed) => can && pc.addIceCandidate(can).catch(failed);
pc1.onicecandidate = e => add(pc2, e.candidate, generateErrorCallback());
pc2.onicecandidate = e => add(pc1, e.candidate, generateErrorCallback());
var v1, v2;
var delivered = new Promise(resolve => pc2.ontrack = e => {
// Test RTCTrackEvent here.
ok(e.streams.length, "has streams");
ok(e.streams[0].getTrackById(e.track.id), "has track");
ok(pc2.getReceivers().some(receiver => receiver == e.receiver), "has receiver");
if (e.streams[0].getTracks().length == 1) {
// Test RTCTrackEvent required args here.
mustThrowWith("RTCTrackEvent wo/required args",
"TypeError", () => new RTCTrackEvent("track", {}));
v2.srcObject = e.streams[0];
resolve();
}
});
runNetworkTest(async () => {
// [TODO] re-enable HW decoder after bug 1526207 is fixed.
if (navigator.userAgent.includes("Android")) {
await pushPrefs(["media.navigator.mediadatadecoder_vpx_enabled", false]);
await pushPrefs(["media.webrtc.hw.h264.enabled", false]);
}
v2 = createMediaElement('video', 'v2');
is(v2.currentTime, 0, "v2.currentTime is zero at outset");
const emitter = new VideoFrameEmitter(CaptureStreamTestHelper.prototype.blue,
CaptureStreamTestHelper.prototype.green,
16, 16);
emitter.start();
emitter.stream().getTracks().forEach(t => pc1.addTrack(t, emitter.stream()));
let h = emitter.helper();
let offer = await pc1.createOffer({});
await pc1.setLocalDescription(offer);
await pc2.setRemoteDescription(pc1.localDescription);
// check that createAnswer accepts arg.
let answer = await pc2.createAnswer({});
await pc2.setLocalDescription(answer);
await pc1.setRemoteDescription(pc2.localDescription);
// re-negotiate to trigger the race condition in the jitter buffer
offer = await pc1.createOffer({}); // check that createOffer accepts arg.
await pc1.setLocalDescription(offer);
await pc2.setRemoteDescription(pc1.localDescription);
answer = await pc2.createAnswer({});
await pc2.setLocalDescription(answer);
await pc1.setRemoteDescription(pc2.localDescription);
await delivered;
// now verify that actually something gets rendered into the remote video
// element.
await h.pixelMustBecome(v2, h.blue, {
threshold: 128,
infoString: "pcRemote's video should become blue",
});
// This will verify that new changes to the canvas propagate through
// the peerconnection
emitter.colors(h.red, h.green)
await h.pixelMustBecome(v2, h.red, {
threshold: 128,
infoString: "pcRemote's video should become red",
});
});
</script>
</pre>
</body>
</html>
|
