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Added PCM support to RTSP

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This commit is contained in:
Thulinma 2017-06-15 13:08:36 +02:00
parent 6595059737
commit f46d2a0c4a
2 changed files with 58 additions and 8 deletions
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48
src/output/output_rtsp.cpp
View file

@ -60,6 +60,7 @@ namespace Mist {
capa["codecs"][0u][1u].append("MP3");
capa["codecs"][0u][1u].append("AC3");
capa["codecs"][0u][1u].append("ALAW");
capa["codecs"][0u][1u].append("PCM");
capa["codecs"][0u][1u].append("opus");
capa["methods"][0u]["handler"] = "rtsp";
@ -516,14 +517,7 @@ namespace Mist {
if (!tracks[track].firstTime){
tracks[track].firstTime = pkt.getTimeStamp() + 1;
}
if (myMeta.tracks[track].codec == "ALAW"){
char * pl = pkt.getPayload();
DTSC::Packet nextPack;
nextPack.genericFill((pkt.getTimeStamp() - tracks[track].firstTime + 1) / ((double)myMeta.tracks[track].rate / 1000.0), 0, track, pl, pkt.getPayloadSize(), 0, false);
bufferLivePacket(nextPack);
return;
}
if (myMeta.tracks[track].codec == "opus"){
if (myMeta.tracks[track].codec == "ALAW" || myMeta.tracks[track].codec == "opus" || myMeta.tracks[track].codec == "MP3" || myMeta.tracks[track].codec == "PCM"){
char * pl = pkt.getPayload();
DTSC::Packet nextPack;
nextPack.genericFill((pkt.getTimeStamp() - tracks[track].firstTime + 1) / ((double)myMeta.tracks[track].rate / 1000.0), 0, track, pl, pkt.getPayloadSize(), 0, false);
@ -555,6 +549,10 @@ namespace Mist {
//Prints a WARN-level message if packet type is unsupported.
/// \todo Support other H264 packets types?
char * pl = pkt.getPayload();
if (!pkt.getPayloadSize()){
WARN_MSG("Empty packet ignored!");
return;
}
if ((pl[0] & 0x1F) == 0){
WARN_MSG("H264 packet type null ignored");
return;
@ -755,6 +753,24 @@ namespace Mist {
thisTrack->channels = 1;
INFO_MSG("Incoming track %s", thisTrack->getIdentifier().c_str());
break;
case 10: //PCM Stereo, 44.1kHz
INFO_MSG("Linear PCM stereo 44.1kHz payload type");
nope = false;
thisTrack->codec = "PCM";
thisTrack->size = 16;
thisTrack->rate = 44100;
thisTrack->channels = 2;
INFO_MSG("Incoming track %s", thisTrack->getIdentifier().c_str());
break;
case 11: //PCM Mono, 44.1kHz
INFO_MSG("Linear PCM mono 44.1kHz payload type");
nope = false;
thisTrack->codec = "PCM";
thisTrack->rate = 44100;
thisTrack->size = 16;
thisTrack->channels = 1;
INFO_MSG("Incoming track %s", thisTrack->getIdentifier().c_str());
break;
default:
//dynamic type
if (avp_type >= 96 && avp_type <= 127){
@ -795,6 +811,22 @@ namespace Mist {
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 == "L8"){
thisTrack->codec = "PCM";
thisTrack->size = 8;
}
if (trCodec == "L16"){
thisTrack->codec = "PCM";
thisTrack->size = 16;
}
if (trCodec == "L20"){
thisTrack->codec = "PCM";
thisTrack->size = 20;
}
if (trCodec == "L24"){
thisTrack->codec = "PCM";
thisTrack->size = 24;
}
if (trCodec == "MPEG4-GENERIC"){thisTrack->codec = "AAC";}
INFO_MSG("Incoming track %s", thisTrack->getIdentifier().c_str());
continue;

18
src/output/output_rtsp.h
View file

@ -96,6 +96,16 @@ namespace Mist {
mediaDesc << "a=rtpmap:101 PCMA/" << 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" << "\r\n";
} else if (trk.size == 16 && trk.channels == 1 && trk.rate == 44100){
mediaDesc << "m=audio 0 RTP/AVP 11" << "\r\n";
}else{
mediaDesc << "m=audio 0 RTP/AVP 103" << "\r\n";
mediaDesc << "a=rtpmap:103 L" << trk.size << "/" << trk.rate << "/" << trk.channels << "\r\n";
}
mediaDesc << "a=control:track" << trk.trackID << "\r\n";
}else if ( trk.codec == "opus") {
mediaDesc << "m=audio 0 RTP/AVP 102" << "\r\n"
"a=rtpmap:102 opus/" << trk.rate << "/" << trk.channels << "\r\n"
@ -119,6 +129,14 @@ namespace Mist {
}else{
pack = RTP::Packet(101, 1, 0, SSrc);
}
}else if ( trk.codec == "PCM") {
if (trk.size == 16 && trk.channels == 2 && trk.rate == 44100){
pack = RTP::Packet(10, 1, 0, SSrc);
} else if (trk.size == 16 && trk.channels == 1 && trk.rate == 44100){
pack = RTP::Packet(11, 1, 0, SSrc);
}else{
pack = RTP::Packet(103, 1, 0, SSrc);
}
}else if(trk.codec == "opus"){
pack = RTP::Packet(102, 1, 0, SSrc);
}else{