122 lines
4 KiB
HTML
122 lines
4 KiB
HTML
<!DOCTYPE HTML>
|
|
<html>
|
|
<head>
|
|
<script type="application/javascript" src="pc.js"></script>
|
|
</head>
|
|
<body>
|
|
<pre id="test">
|
|
<script type="application/javascript">
|
|
createHTML({
|
|
bug: "1244913",
|
|
title: "Scale resolution down on a PeerConnection",
|
|
visible: true
|
|
});
|
|
|
|
let resolutionAlignment = 1;
|
|
|
|
var mustRejectWith = (msg, reason, f) =>
|
|
f().then(() => ok(false, msg),
|
|
e => is(e.name, reason, msg));
|
|
|
|
async 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);
|
|
|
|
let stream = await navigator.mediaDevices.getUserMedia({ video: true });
|
|
|
|
var v1 = createMediaElement('video', 'v1');
|
|
var v2 = createMediaElement('video', 'v2');
|
|
|
|
var ontrackfired = new Promise(resolve => pc2.ontrack = e => resolve(e));
|
|
var v2loadedmetadata = new Promise(resolve => v2.onloadedmetadata = resolve);
|
|
|
|
is(v2.currentTime, 0, "v2.currentTime is zero at outset");
|
|
|
|
v1.srcObject = stream;
|
|
var sender = pc1.addTrack(stream.getVideoTracks()[0], stream);
|
|
let parameters = sender.getParameters();
|
|
is(parameters.encodings.length, 1, "Default number of encodings should be 1");
|
|
parameters.encodings[0].scaleResolutionDownBy = 0.5;
|
|
|
|
await mustRejectWith(
|
|
"Invalid scaleResolutionDownBy must reject", "RangeError",
|
|
() => sender.setParameters(parameters)
|
|
);
|
|
|
|
parameters = sender.getParameters();
|
|
parameters.encodings[0].scaleResolutionDownBy = 2;
|
|
parameters.encodings[0].maxBitrate = 60000;
|
|
|
|
await sender.setParameters(parameters);
|
|
|
|
parameters = sender.getParameters();
|
|
is(parameters.encodings[0].scaleResolutionDownBy, 2, "Should be able to set scaleResolutionDownBy");
|
|
is(parameters.encodings[0].maxBitrate, 60000, "Should be able to set maxBitrate");
|
|
|
|
let offer = await pc1.createOffer();
|
|
if (codec == "H264") {
|
|
offer.sdp = sdputils.removeAllButPayloadType(offer.sdp, 126);
|
|
}
|
|
await pc1.setLocalDescription(offer);
|
|
await pc2.setRemoteDescription(pc1.localDescription);
|
|
|
|
let answer = await pc2.createAnswer();
|
|
await pc2.setLocalDescription(answer);
|
|
await pc1.setRemoteDescription(pc2.localDescription);
|
|
let trackevent = await ontrackfired;
|
|
|
|
v2.srcObject = trackevent.streams[0];
|
|
|
|
await v2loadedmetadata;
|
|
|
|
await waitUntil(() => v2.currentTime > 0);
|
|
ok(v2.currentTime > 0, "v2.currentTime is moving (" + v2.currentTime + ")");
|
|
|
|
ok(v1.videoWidth > 0, "source width is positive");
|
|
ok(v1.videoHeight > 0, "source height is positive");
|
|
const expectedWidth =
|
|
v1.videoWidth / 2 - (v1.videoWidth / 2 % resolutionAlignment);
|
|
const expectedHeight =
|
|
v1.videoHeight / 2 - (v1.videoHeight / 2 % resolutionAlignment);
|
|
is(v2.videoWidth, expectedWidth,
|
|
"sink is half the width of the source");
|
|
is(v2.videoHeight, expectedHeight,
|
|
"sink is half the height of the source");
|
|
stream.getTracks().forEach(track => track.stop());
|
|
v1.srcObject = v2.srcObject = null;
|
|
pc1.close()
|
|
pc2.close()
|
|
}
|
|
|
|
runNetworkTest(async () => {
|
|
await pushPrefs(
|
|
['media.peerconnection.video.lock_scaling', true],
|
|
// Disable h264 hardware support, to ensure it is not prioritized over VP8
|
|
["media.webrtc.hw.h264.enabled", false],
|
|
);
|
|
|
|
await pushPrefs(
|
|
// Use libwebrtc VP8 encoder to avoid unexpected resolution alignment on
|
|
// some devices.
|
|
["media.webrtc.encoder_creation_strategy", 0],
|
|
);
|
|
await testScale("VP8");
|
|
await SpecialPowers.popPrefEnv();
|
|
|
|
await matchPlatformH264CodecPrefs();
|
|
if (navigator.userAgent.includes("Android")) {
|
|
// MediaDataEncoder always uses 16-alignment.
|
|
resolutionAlignment = 16;
|
|
}
|
|
await testScale("H264");
|
|
});
|
|
</script>
|
|
</pre>
|
|
</body>
|
|
</html>
|