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<!DOCTYPE HTML>
<html>
<head>
<script type="application/javascript" src="pc.js"></script>
</head>
<body>
<pre id="test">
<script type="application/javascript;version=1.8">
createHTML({
bug: "1244913",
title: "Scale resolution down on a PeerConnection",
visible: true
});
var mustRejectWith = (msg, reason, f) =>
f().then(() => ok(false, msg),
e => is(e.name, reason, msg));
var removeAllButCodec = (d, codec) =>
(d.sdp = d.sdp.replace(/m=video (\w) UDP\/TLS\/RTP\/SAVPF \w.*\r\n/,
"m=video $1 UDP/TLS/RTP/SAVPF " + codec + "\r\n"), d);
function testScale(codec) {
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());
info("testing scaling with " + codec);
pc1.onnegotiationneeded = e =>
pc1.createOffer()
.then(d => pc1.setLocalDescription(codec == "VP8" ? d : removeAllButCodec(d, 126)))
.then(() => pc2.setRemoteDescription(pc1.localDescription))
.then(() => pc2.createAnswer()).then(d => pc2.setLocalDescription(d))
.then(() => pc1.setRemoteDescription(pc2.localDescription))
.catch(generateErrorCallback());
return navigator.mediaDevices.getUserMedia({ video: true })
.then(stream => {
var v1 = createMediaElement('video', 'v1');
var v2 = createMediaElement('video', 'v2');
is(v2.currentTime, 0, "v2.currentTime is zero at outset");
v1.srcObject = stream;
var sender = pc1.addTrack(stream.getVideoTracks()[0], stream);
return mustRejectWith("Invalid scaleResolutionDownBy must reject", "RangeError",
() => sender.setParameters({ encodings:
[{ scaleResolutionDownBy: 0.5 } ] }))
.then(() => sender.setParameters({ encodings: [{ maxBitrate: 60000,
scaleResolutionDownBy: 2 }] }))
.then(() => new Promise(resolve => pc2.ontrack = e => resolve(e)))
.then(e => v2.srcObject = e.streams[0])
.then(() => new Promise(resolve => v2.onloadedmetadata = resolve))
.then(() => waitUntil(() => v2.currentTime > 0 && v2.srcObject.currentTime > 0))
.then(() => ok(v2.currentTime > 0, "v2.currentTime is moving (" + v2.currentTime + ")"))
.then(() => wait(3000)) // TODO: Bug 1248154
.then(() => {
ok(v1.videoWidth > 0, "source width is positive");
ok(v1.videoHeight > 0, "source height is positive");
if (v2.videoWidth == 640 && v2.videoHeight == 480) { // TODO: Bug 1248154
info("Skipping test due to Bug 1248154");
} else {
is(v2.videoWidth, v1.videoWidth / 2, "sink is half the width of source");
is(v2.videoHeight, v1.videoHeight / 2, "sink is half the height of source");
}
})
.then(() => {
stream.getTracks().forEach(track => track.stop());
v1.srcObject = v2.srcObject = null;
})
})
.catch(generateErrorCallback());
}
runNetworkTest(() => testScale("VP8").then(() => testScale("H264"))
.then(networkTestFinished));
</script>
</pre>
</body>
</html>
|
