115 lines
3.6 KiB
HTML
115 lines
3.6 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<script type="application/javascript" src="pc.js"></script>
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</head>
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<body>
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<pre id="test">
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<script type="application/javascript">
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createHTML({
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bug: "1393687",
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title: "Enforce max-fs constraint on a PeerConnection",
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visible: true
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});
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var mustRejectWith = (msg, reason, f) =>
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f().then(() => ok(false, msg),
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e => is(e.name, reason, msg));
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var removeAllButCodec = (d, codec) => {
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d.sdp = d.sdp.replace(/m=video (\w) UDP\/TLS\/RTP\/SAVPF \w.*\r\n/,
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"m=video $1 UDP/TLS/RTP/SAVPF " + codec + "\r\n");
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return d;
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};
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var mungeSDP = (d, forceH264) => {
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if (forceH264) {
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removeAllButCodec(d, 126);
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d.sdp = d.sdp.replace(/a=fmtp:126 (.*);packetization-mode=1/, "a=fmtp:126 $1;packetization-mode=1;max-fs=100");
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} else {
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d.sdp = d.sdp.replace(/max-fs=\d+/, "max-fs=100");
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}
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return d;
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};
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let resolutionAlignment = 1;
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function testScale(codec) {
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var v1 = createMediaElement('video', 'v1');
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var v2 = createMediaElement('video', 'v2');
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var pc1 = new RTCPeerConnection();
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var pc2 = new RTCPeerConnection();
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var add = (pc, can, failed) => can && pc.addIceCandidate(can).catch(failed);
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pc1.onicecandidate = e => add(pc2, e.candidate, generateErrorCallback());
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pc2.onicecandidate = e => add(pc1, e.candidate, generateErrorCallback());
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info("testing max-fs with " + codec);
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pc1.onnegotiationneeded = e =>
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pc1.createOffer()
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.then(d => pc1.setLocalDescription(mungeSDP(d, codec == "H264")))
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.then(() => pc2.setRemoteDescription(pc1.localDescription))
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.then(() => pc2.createAnswer()).then(d => pc2.setLocalDescription(mungeSDP(d, codec =="H264")))
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.then(() => pc1.setRemoteDescription(pc2.localDescription))
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.catch(generateErrorCallback());
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pc2.ontrack = e => {
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v2.srcObject = e.streams[0];
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};
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var stream;
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return navigator.mediaDevices.getUserMedia({ video: true })
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.then(s => {
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stream = s;
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v1.srcObject = stream;
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let track = stream.getVideoTracks()[0];
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let sender = pc1.addTrack(track, stream);
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is(v2.currentTime, 0, "v2.currentTime is zero at outset");
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})
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.then(() => wait(5000))
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.then(() => {
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if (v2.videoWidth == 0 && v2.videoHeight == 0) {
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info("Skipping test, insufficient time for video to start.");
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} else {
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const expectedWidth = 184 - 184 % resolutionAlignment;
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const expectedHeight = 138 - 138 % resolutionAlignment;
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is(v2.videoWidth, expectedWidth,
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`sink width should be ${expectedWidth} for ${codec}`);
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is(v2.videoHeight, expectedHeight,
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`sink height should be ${expectedHeight} for ${codec}`);
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}})
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.then(() => {
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stream.getTracks().forEach(track => track.stop());
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v1.srcObject = v2.srcObject = null;
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}).catch(generateErrorCallback());
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}
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runNetworkTest(async () => {
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await pushPrefs(
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['media.peerconnection.video.lock_scaling', true],
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// Disable h264 hardware support, to ensure it is not prioritized over VP8
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["media.webrtc.hw.h264.enabled", false],
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);
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await pushPrefs(
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// Use libwebrtc VP8 encoder to avoid unexpected resolution alignment on
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// some devices.
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["media.webrtc.encoder_creation_strategy", 0],
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);
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await testScale("VP8");
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await SpecialPowers.popPrefEnv();
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await matchPlatformH264CodecPrefs();
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if (navigator.userAgent.includes("Android")) {
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// Android only has a hw encoder for h264
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resolutionAlignment = 16;
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}
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await testScale("H264");
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});
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</script>
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</pre>
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</body>
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</html>
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