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Add Kiwi Browser support (#11)

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* Catch exception when trying to force desktop codec profile on Kiwi Browser

* Improve setCodecPreferences(), avoid crashing

* Improve codec status detection

* Fix codec detection
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redphx 2023-07-21 08:57:05 +07:00 committed by GitHub
parent 0c38b54c38
commit e7980c186d
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 52 additions and 14 deletions
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66
better-xcloud.user.js
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@ -83,7 +83,7 @@ class Preferences {
{
'id': Preferences.USE_DESKTOP_CODEC,
'label': 'Force high quality codec',
'label': 'Force high quality codec (if possible)',
'default': false,
},
@ -1021,19 +1021,37 @@ function patchRtcCodecs() {
RTCRtpTransceiver.prototype.orgSetCodecPreferences = RTCRtpTransceiver.prototype.setCodecPreferences;
RTCRtpTransceiver.prototype.setCodecPreferences = function(codecs) {
// Use the same codecs as desktop
codecs = [
{
'clockRate': 90000,
'mimeType': 'video/H264',
'sdpFmtpLine': 'level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=4d001f',
},
{
'clockRate': 90000,
'mimeType': 'video/H264',
'sdpFmtpLine': 'level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=4d001f',
let profileSetting;
for (let codec of codecs) {
if (codec.sdpFmtpLine.includes('profile-level-id=4d') || codec.sdpFmtpLine.includes('profile-level-id=42')) {
profileSetting = codec.sdpFmtpLine.slice(-4); // get the last 4 characters
break;
}
].concat(codecs);
this.orgSetCodecPreferences(codecs);
}
let newCodecs;
if (profileSetting) {
newCodecs = [
{
'clockRate': 90000,
'mimeType': 'video/H264',
'sdpFmtpLine': 'level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=4d' + profileSetting,
},
{
'clockRate': 90000,
'mimeType': 'video/H264',
'sdpFmtpLine': 'level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=4d' + profileSetting,
}
].concat(codecs);
} else {
newCodecs = codecs;
}
try {
this.orgSetCodecPreferences(newCodecs);
} catch (e) {
this.orgSetCodecPreferences(codecs);
}
}
}
@ -1275,10 +1293,30 @@ if (document.readyState === 'complete' && !onLoadTriggered) {
RTCPeerConnection.prototype.orgSetRemoteDescription = RTCPeerConnection.prototype.setRemoteDescription;
RTCPeerConnection.prototype.setRemoteDescription = function(...args) {
StreamStatus.hqCodec = false;
const sdpDesc = args[0];
if (sdpDesc.sdp) {
StreamStatus.hqCodec = sdpDesc.sdp.includes('profile-level-id=4d');
const sdp = sdpDesc.sdp;
let lineIndex = 0;
let endPos = 0;
let line;
while (lineIndex > -1) {
lineIndex = sdp.indexOf('a=fmtp:', endPos);
if (lineIndex === -1) {
break;
}
endPos = sdp.indexOf('\n', lineIndex);
line = sdp.substring(lineIndex, endPos);
if (line.includes('profile-level-id')) {
StreamStatus.hqCodec = line.includes('profile-level-id=4d');
break;
}
}
}
return this.orgSetRemoteDescription.apply(this, args);
}