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v26 beta

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steveseguin
2024-08-22 15:39:54 -04:00
parent 4fa58115a3
commit 8cc898b965
13 changed files with 35405 additions and 380 deletions
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164
thirdparty/CodecsHandler.js vendored
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@@ -401,116 +401,71 @@ var CodecsHandler = (function() {
return sdp;
}
function processOpus(sdpLines, opusPayload, opusIndex, codecType, params, debug){
var opusFmtpLineIndex = findLine(sdpLines, 'a=fmtp:' + opusPayload.toString());
if (opusFmtpLineIndex === null) {
return sdpLines;
}
function setOpusAttributes(sdp, params, debug=false) {
params = params || {};
var sdpLines = sdp.split('\r\n');
var opusIndex = findLine(sdpLines, 'a=rtpmap', 'opus/48000');
var opusPayload;
if (opusIndex) {
opusPayload = getCodecPayloadType(sdpLines[opusIndex]);
}
if (!opusPayload) {
return sdp;
}
var opusFmtpLineIndex = findLine(sdpLines, 'a=fmtp:' + opusPayload.toString());
if (opusFmtpLineIndex === null) {
return sdp;
}
var appendOpusNext = '';
var appendOpusNext = '';
// Please see https://tools.ietf.org/html/rfc7587 for more details on OPUS settings
if (typeof params.minptime != 'undefined') { // max packet size in milliseconds
if (params.minptime != false) {
appendOpusNext += ';minptime:' + params.minptime; // 3, 5, 10, 20, 40, 60 and the default is 120. (20 is minimum recommended for webrtc)
}
}
}
if (typeof params.maxptime != 'undefined') { // max packet size in milliseconds
if (params.maxptime != false) {
appendOpusNext += ';maxptime:' + params.maxptime; // 3, 5, 10, 20, 40, 60 and the default is 120. (20 is minimum recommended for webrtc)
}
}
}
if (typeof params.ptime != 'undefined') { // packet size; webrtc doesn't support less than 10 or 20 I think.
if (params.ptime != false) {
appendOpusNext += ';ptime:' + params.ptime;
}
}
if (typeof params.stereo != 'undefined'){
if (params.stereo==0){ // &stereo=0
sdpLines[opusFmtpLineIndex] = sdpLines[opusFmtpLineIndex].replace(";stereo=1", "");
sdpLines[opusFmtpLineIndex] = sdpLines[opusFmtpLineIndex].replace(";sprop-stereo=1", "");
sdpLines[opusFmtpLineIndex] = sdpLines[opusFmtpLineIndex].replace(";stereo=0", "");
sdpLines[opusFmtpLineIndex] = sdpLines[opusFmtpLineIndex].replace(";sprop-stereo=0", "");
if (sdpLines[opusFmtpLineIndex].split(";stereo=0").length==1){
appendOpusNext += ';stereo=0'; // defaults to 0
}
if (sdpLines[opusFmtpLineIndex].split(";sprop-stereo=0").length==1){
appendOpusNext += ';sprop-stereo=0'; // defaults to 0
}
} else if (params.stereo==1){ // &stereo=1
sdpLines[opusFmtpLineIndex] = sdpLines[opusFmtpLineIndex].replace(";stereo=1", "");
sdpLines[opusFmtpLineIndex] = sdpLines[opusFmtpLineIndex].replace(";sprop-stereo=1", "");
sdpLines[opusFmtpLineIndex] = sdpLines[opusFmtpLineIndex].replace(";stereo=0", "");
sdpLines[opusFmtpLineIndex] = sdpLines[opusFmtpLineIndex].replace(";sprop-stereo=0", "");
if (sdpLines[opusFmtpLineIndex].split(";stereo=1").length==1){
appendOpusNext += ';stereo=1'; // defaults to 0
}
if (sdpLines[opusFmtpLineIndex].split(";sprop-stereo=1").length==1){
appendOpusNext += ';sprop-stereo=1'; // defaults to 0
}
} else if (params.stereo==2){ // &stereo=4
sdpLines[opusFmtpLineIndex] = sdpLines[opusFmtpLineIndex].replace(";stereo=1", "");
sdpLines[opusFmtpLineIndex] = sdpLines[opusFmtpLineIndex].replace(";sprop-stereo=1", "");
sdpLines[opusFmtpLineIndex] = sdpLines[opusFmtpLineIndex].replace(";stereo=0", "");
sdpLines[opusFmtpLineIndex] = sdpLines[opusFmtpLineIndex].replace(";sprop-stereo=0", "");
sdpLines[opusIndex] = sdpLines[opusIndex].replace("opus/48000/2", "multiopus/48000/6");
if (sdpLines[opusFmtpLineIndex].split(";channel_mapping=0,4,1,2,3,5;num_streams=4;coupled_streams=2").length==1){
appendOpusNext += ';channel_mapping=0,4,1,2,3,5;num_streams=4;coupled_streams=2'; // Multi-channel 5.1 audio
}
} else if (params.stereo==3){ // &stereo=8
sdpLines[opusFmtpLineIndex] = sdpLines[opusFmtpLineIndex].replace(";stereo=1", "");
sdpLines[opusFmtpLineIndex] = sdpLines[opusFmtpLineIndex].replace(";sprop-stereo=1", "");
sdpLines[opusFmtpLineIndex] = sdpLines[opusFmtpLineIndex].replace(";stereo=0", "");
sdpLines[opusFmtpLineIndex] = sdpLines[opusFmtpLineIndex].replace(";sprop-stereo=0", "");
sdpLines[opusIndex] = sdpLines[opusIndex].replace("opus/48000/2", "multiopus/48000/8");
if (sdpLines[opusFmtpLineIndex].split(";channel_mapping=0,6,1,2,3,4,5,7;num_streams=5;coupled_streams=3").length==1){
appendOpusNext += ';channel_mapping=0,6,1,2,3,4,5,7;num_streams=5;coupled_streams=3'; // Multi-channel 5.1 audio
}
}
}
if (typeof params.maxaveragebitrate != 'undefined') {
if (typeof params.stereo != 'undefined'){
// Remove existing stereo settings
sdpLines[opusFmtpLineIndex] = sdpLines[opusFmtpLineIndex]
.replace(/;stereo=[01]/g, '')
.replace(/;sprop-stereo=[01]/g, '');
if (params.stereo == 1){
appendOpusNext += ';stereo=1;sprop-stereo=1';
} else if (params.stereo == 0){
appendOpusNext += ';stereo=0;sprop-stereo=0';
} else if (params.stereo == 2 && codecType === 'OPUS'){
sdpLines[opusIndex] = sdpLines[opusIndex].replace("opus/48000/2", "multiopus/48000/6");
appendOpusNext += ';channel_mapping=0,4,1,2,3,5;num_streams=4;coupled_streams=2';
} else if (params.stereo == 3 && codecType === 'OPUS'){
sdpLines[opusIndex] = sdpLines[opusIndex].replace("opus/48000/2", "multiopus/48000/8");
appendOpusNext += ';channel_mapping=0,6,1,2,3,4,5,7;num_streams=5;coupled_streams=4';
}
}
if (typeof params.maxaveragebitrate != 'undefined') {
if (sdpLines[opusFmtpLineIndex].split("maxaveragebitrate=").length==1){
appendOpusNext += ';maxaveragebitrate=' + params.maxaveragebitrate; // default 32000? (kbps)
}
}
}
if (typeof params.maxplaybackrate != 'undefined') {
if (typeof params.maxplaybackrate != 'undefined') {
if (sdpLines[opusFmtpLineIndex].split("maxplaybackrate=").length==1){
appendOpusNext += ';maxplaybackrate=' + params.maxplaybackrate; // Default should be 48000 (hz) , 8000 to 48000 are valid options
}
}
}
if (typeof params.cbr != 'undefined') {
if (typeof params.cbr != 'undefined') {
if (sdpLines[opusFmtpLineIndex].split("cbr=").length==1){
appendOpusNext += ';cbr=' + params.cbr; // default is 0 (vbr)
}
}
}
if (typeof params.dtx != 'undefined') {
if (params.dtx){
@@ -518,25 +473,58 @@ var CodecsHandler = (function() {
appendOpusNext += ';usedtx=1';
}
}
}
}
if (typeof params.useinbandfec != 'undefined') { // useful for handling packet loss
if (typeof params.useinbandfec != 'undefined') { // useful for handling packet loss
if (sdpLines[opusFmtpLineIndex].split("useinbandfec=").length==1){
appendOpusNext += ';useinbandfec=' + params.useinbandfec; // Defaults to 0
} else {
sdpLines[opusFmtpLineIndex] = sdpLines[opusFmtpLineIndex].replace("useinbandfec="+(params.useinbandfec ? 0 : 1), "useinbandfec="+params.useinbandfec);
}
}
}
if (appendOpusNext) {
sdpLines[opusFmtpLineIndex] = sdpLines[opusFmtpLineIndex] + appendOpusNext;
}
sdpLines[opusFmtpLineIndex] = sdpLines[opusFmtpLineIndex].concat(appendOpusNext);
if (debug){
console.log("Adding to SDP (audio): "+appendOpusNext+" --> Result: "+sdpLines[opusFmtpLineIndex]);
console.log("Adding to SDP (" + codecType + "): "+appendOpusNext+" --> Result: "+sdpLines[opusFmtpLineIndex]);
}
return sdpLines;
}
function setOpusAttributes(sdp, params, debug=false) {
params = params || {};
var sdpLines = sdp.split('\r\n');
var opusIndex = findLine(sdpLines, 'a=rtpmap', 'opus/48000');
var opusPayload;
if (opusIndex) {
opusPayload = getCodecPayloadType(sdpLines[opusIndex]);
}
sdp = sdpLines.join('\r\n');
return sdp;
}
var redIndex = findLine(sdpLines, 'a=rtpmap', 'red/48000');
var redPayload;
if (redIndex) {
redPayload = getCodecPayloadType(sdpLines[redIndex]);
}
if (!opusPayload && !redPayload) {
return sdp;
}
if (opusPayload){
if (debug) console.log("Processing OPUS codec");
sdpLines = processOpus(sdpLines, opusPayload, opusIndex, "OPUS", params, debug);
}
if (redPayload){
if (debug) console.log("Processing RED codec");
sdpLines = processOpus(sdpLines, redPayload, redIndex, "RED", params, debug);
}
return sdpLines.join('\r\n');
}
function getOpusBitrate(sdp) {