<!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;version=1.8">
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 > 0, "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(function() {
var h = new CaptureStreamTestHelper2D();
var canvas = document.createElement('canvas');
canvas.id = 'source_canvas';
canvas.width = canvas.height = 10;
document.getElementById('content').appendChild(canvas);
v2 = createMediaElement('video', 'v2');
is(v2.currentTime, 0, "v2.currentTime is zero at outset");
h.drawColor(canvas, h.blue);
var stream = canvas.captureStream(0);
stream.getTracks().forEach(t => pc1.addTrack(t, stream));
pc1.createOffer({})
.then(offer => pc1.setLocalDescription(offer))
.then(() => pc2.setRemoteDescription(pc1.localDescription))
.then(() => pc2.createAnswer({})) // check that createAnswer accepts arg.
.then(answer => pc2.setLocalDescription(answer))
.then(() => pc1.setRemoteDescription(pc2.localDescription))
// re-negotiate to trigger the race condition in the jitter buffer
.then(() => pc1.createOffer({})) // check that createOffer accepts arg.
.then(offer => pc1.setLocalDescription(offer))
.then(() => pc2.setRemoteDescription(pc1.localDescription))
.then(() => pc2.createAnswer({}))
.then(answer => pc2.setLocalDescription(answer))
.then(() => pc1.setRemoteDescription(pc2.localDescription))
.then(() => delivered)
// now verify that actually something gets rendered into the remote video
// element
.then(() => h.waitForPixelColor(v2, h.blue, 128,
"pcRemote's video should become green"))
.then(() => {
stream.requestFrame();
h.drawColor(canvas, h.red);
})
.then(() => h.waitForPixelColor(v2, h.red, 128,
"pcRemote's video should become green"))
.catch(reason => ok(false, "unexpected failure: " + reason))
.then(networkTestFinished);
});
</script>
</pre>
</body>
</html>