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Added Mu-law support to RTSP and WAV

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This commit is contained in:
Thulinma 2017-10-21 22:54:33 +02:00
parent f5c1e6b573
commit f8766b0567
3 changed files with 34 additions and 1 deletions
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32
lib/sdp.cpp
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@ -149,6 +149,16 @@ namespace SDP{
mediaDesc << "a=rtpmap:101 PCMA/" << trk.rate << "/" << trk.channels << "\r\n";
}
mediaDesc << "a=control:track" << trk.trackID << "\r\n";
}else if (trk.codec == "ULAW"){
if (trk.channels == 1 && trk.rate == 8000){
mediaDesc << "m=audio 0 RTP/AVP 0"
<< "\r\n";
}else{
mediaDesc << "m=audio 0 RTP/AVP 104"
<< "\r\n";
mediaDesc << "a=rtpmap:104 PCMU/" << trk.rate << "/" << trk.channels << "\r\n";
}
mediaDesc << "a=control:track" << trk.trackID << "\r\n";
}else if (trk.codec == "PCM"){
if (trk.size == 16 && trk.channels == 2 && trk.rate == 44100){
mediaDesc << "m=audio 0 RTP/AVP 10"
@ -221,6 +231,12 @@ namespace SDP{
}else{
pack = RTP::Packet(101, 1, 0, mySSRC);
}
}else if (trk.codec == "ULAW"){
if (trk.channels == 1 && trk.rate == 8000){
pack = RTP::Packet(0, 1, 0, mySSRC);
}else{
pack = RTP::Packet(104, 1, 0, mySSRC);
}
}else if (trk.codec == "PCM"){
if (trk.size == 16 && trk.channels == 2 && trk.rate == 44100){
pack = RTP::Packet(10, 1, 0, mySSRC);
@ -330,16 +346,27 @@ namespace SDP{
thisTrack->trackID = trackNo;
}else{
WARN_MSG("Media type not supported: %s", item.c_str());
myMeta->tracks.erase(trackNo);
tracks.erase(trackNo);
continue;
}
getline(words, item, ' ');
if (!getline(words, item, ' ') || item != "RTP/AVP"){
WARN_MSG("Media transport not supported: %s", item.c_str());
myMeta->tracks.erase(trackNo);
tracks.erase(trackNo);
continue;
}
if (getline(words, item, ' ')){
uint64_t avp_type = JSON::Value(item).asInt();
switch (avp_type){
case 0: // PCM Mu-law
INFO_MSG("PCM Mu-law payload type");
nope = false;
thisTrack->codec = "ULAW";
thisTrack->rate = 8000;
thisTrack->channels = 1;
break;
case 8: // PCM A-law
INFO_MSG("PCM A-law payload type");
nope = false;
@ -384,6 +411,8 @@ namespace SDP{
continue;
}else{
FAIL_MSG("Payload type %llu not supported!", avp_type);
myMeta->tracks.erase(trackNo);
tracks.erase(trackNo);
continue;
}
}
@ -424,6 +453,7 @@ namespace SDP{
thisTrack->init = std::string("OpusHead\001\002\170\000\200\273\000\000\000\000\000", 19);
}
if (trCodec == "PCMA"){thisTrack->codec = "ALAW";}
if (trCodec == "PCMU"){thisTrack->codec = "ULAW";}
if (trCodec == "L8"){
thisTrack->codec = "PCM";
thisTrack->size = 8;
@ -761,7 +791,7 @@ namespace SDP{
uint32_t plSize = pkt.getPayloadSize();
INSANE_MSG("Received RTP packet for track %llu, time %llu -> %llu", track, pkt.getTimeStamp(),
millis);
if (Trk.codec == "ALAW" || Trk.codec == "opus" || Trk.codec == "PCM"){
if (Trk.codec == "ALAW" || Trk.codec == "opus" || Trk.codec == "PCM" || Trk.codec == "ULAW"){
DTSC::Packet nextPack;
nextPack.genericFill(millis, 0, track, pl, plSize, 0, false);
if (incomingPacketCallback){incomingPacketCallback(nextPack);}