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Fixed ffmpeg compatibility with urlencoding library in SDP lib

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This commit is contained in:
Thulinma 2017-11-04 13:47:29 +01:00
parent a634f4a738
commit 66d64317c9
1 changed files with 81 additions and 62 deletions
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73
lib/sdp.cpp
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@ -51,21 +51,24 @@ namespace SDP{
mediaDesc << "m=video 0 RTP/AVP 97\r\n" mediaDesc << "m=video 0 RTP/AVP 97\r\n"
"a=rtpmap:97 H264/90000\r\n" "a=rtpmap:97 H264/90000\r\n"
"a=cliprect:0,0," "a=cliprect:0,0,"
<< trk.height << "," << trk.width << "\r\n" << trk.height << "," << trk.width
<< "\r\n"
"a=framesize:97 " "a=framesize:97 "
<< trk.width << '-' << trk.height << trk.width << '-' << trk.height
<< "\r\n" << "\r\n"
"a=fmtp:97 packetization-mode=1;profile-level-id=" "a=fmtp:97 packetization-mode=1;profile-level-id="
<< std::hex << std::setw(2) << std::setfill('0') << (int)trk.init.data()[1] << std::hex << std::setw(2) << std::setfill('0') << (int)trk.init.data()[1]
<< std::dec << "E0" << std::hex << std::setw(2) << std::setfill('0') << std::dec << "E0" << std::hex << std::setw(2) << std::setfill('0')
<< (int)trk.init.data()[3] << std::dec << ";" << (int)trk.init.data()[3] << std::dec
<< ";"
"sprop-parameter-sets=" "sprop-parameter-sets="
<< Encodings::Base64::encode(std::string(avccbox.getSPS(), avccbox.getSPSLen())) << Encodings::Base64::encode(std::string(avccbox.getSPS(), avccbox.getSPSLen()))
<< "," << ","
<< Encodings::Base64::encode(std::string(avccbox.getPPS(), avccbox.getPPSLen())) << Encodings::Base64::encode(std::string(avccbox.getPPS(), avccbox.getPPSLen()))
<< "\r\n" << "\r\n"
"a=framerate:" "a=framerate:"
<< ((double)trk.fpks) / 1000.0 << "\r\n" << ((double)trk.fpks) / 1000.0
<< "\r\n"
"a=control:track" "a=control:track"
<< trk.trackID << "\r\n"; << trk.trackID << "\r\n";
}else if (trk.codec == "HEVC"){ }else if (trk.codec == "HEVC"){
@ -73,7 +76,8 @@ namespace SDP{
mediaDesc << "m=video 0 RTP/AVP 104\r\n" mediaDesc << "m=video 0 RTP/AVP 104\r\n"
"a=rtpmap:104 H265/90000\r\n" "a=rtpmap:104 H265/90000\r\n"
"a=cliprect:0,0," "a=cliprect:0,0,"
<< trk.height << "," << trk.width << "\r\n" << trk.height << "," << trk.width
<< "\r\n"
"a=framesize:104 " "a=framesize:104 "
<< trk.width << '-' << trk.height << "\r\n" << trk.width << '-' << trk.height << "\r\n"
<< "a=fmtp:104 sprop-vps="; << "a=fmtp:104 sprop-vps=";
@ -100,13 +104,15 @@ namespace SDP{
mediaDesc << Encodings::Base64::encode(*it); mediaDesc << Encodings::Base64::encode(*it);
} }
} }
mediaDesc << "\r\na=framerate:" << ((double)trk.fpks) / 1000.0 << "\r\n" mediaDesc << "\r\na=framerate:" << ((double)trk.fpks) / 1000.0
<< "\r\n"
"a=control:track" "a=control:track"
<< trk.trackID << "\r\n"; << trk.trackID << "\r\n";
}else if (trk.codec == "MPEG2"){ }else if (trk.codec == "MPEG2"){
mediaDesc << "m=video 0 RTP/AVP 32\r\n" mediaDesc << "m=video 0 RTP/AVP 32\r\n"
"a=cliprect:0,0," "a=cliprect:0,0,"
<< trk.height << "," << trk.width << "\r\n" << trk.height << "," << trk.width
<< "\r\n"
"a=framesize:32 " "a=framesize:32 "
<< trk.width << '-' << trk.height << "\r\n" << trk.width << '-' << trk.height << "\r\n"
<< "a=framerate:" << ((double)trk.fpks) / 1000.0 << "\r\n" << "a=framerate:" << ((double)trk.fpks) / 1000.0 << "\r\n"
@ -129,14 +135,16 @@ namespace SDP{
mediaDesc << "m=" << trk.type << " 0 RTP/AVP 14" mediaDesc << "m=" << trk.type << " 0 RTP/AVP 14"
<< "\r\n" << "\r\n"
"a=rtpmap:14 MPA/90000/" "a=rtpmap:14 MPA/90000/"
<< trk.channels << "\r\n" << trk.channels
<< "\r\n"
"a=control:track" "a=control:track"
<< trk.trackID << "\r\n"; << trk.trackID << "\r\n";
}else if (trk.codec == "AC3"){ }else if (trk.codec == "AC3"){
mediaDesc << "m=audio 0 RTP/AVP 100" mediaDesc << "m=audio 0 RTP/AVP 100"
<< "\r\n" << "\r\n"
"a=rtpmap:100 AC3/" "a=rtpmap:100 AC3/"
<< trk.rate << "/" << trk.channels << "\r\n" << trk.rate << "/" << trk.channels
<< "\r\n"
"a=control:track" "a=control:track"
<< trk.trackID << "\r\n"; << trk.trackID << "\r\n";
}else if (trk.codec == "ALAW"){ }else if (trk.codec == "ALAW"){
@ -177,7 +185,8 @@ namespace SDP{
mediaDesc << "m=audio 0 RTP/AVP 102" mediaDesc << "m=audio 0 RTP/AVP 102"
<< "\r\n" << "\r\n"
"a=rtpmap:102 opus/" "a=rtpmap:102 opus/"
<< trk.rate << "/" << trk.channels << "\r\n" << trk.rate << "/" << trk.channels
<< "\r\n"
"a=control:track" "a=control:track"
<< trk.trackID << "\r\n"; << trk.trackID << "\r\n";
} }
@ -189,13 +198,14 @@ namespace SDP{
/// Expects parseTransport to be called with the response from the server. /// Expects parseTransport to be called with the response from the server.
std::string Track::generateTransport(uint32_t trackNo, const std::string &dest, bool TCPmode){ std::string Track::generateTransport(uint32_t trackNo, const std::string &dest, bool TCPmode){
if (TCPmode){ if (TCPmode){
//We simply request interleaved delivery over a trackNo-based identifier. // We simply request interleaved delivery over a trackNo-based identifier.
//No need to set any internal state, parseTransport will handle it all. // No need to set any internal state, parseTransport will handle it all.
std::stringstream tStr; std::stringstream tStr;
tStr << "RTP/AVP/TCP;unicast;interleaved=" << ((trackNo - 1) * 2) << "-" << ((trackNo - 1) * 2 + 1); tStr << "RTP/AVP/TCP;unicast;interleaved=" << ((trackNo - 1) * 2) << "-"
<< ((trackNo - 1) * 2 + 1);
return tStr.str(); return tStr.str();
}else{ }else{
//A little more tricky: we need to find free ports and remember them. // A little more tricky: we need to find free ports and remember them.
data.SetDestination(dest, 1337); data.SetDestination(dest, 1337);
rtcp.SetDestination(dest, 1337); rtcp.SetDestination(dest, 1337);
portA = data.bind(0); portA = data.bind(0);
@ -264,18 +274,19 @@ namespace SDP{
cPortA = cPortB = 0; cPortA = cPortB = 0;
size_t sPort_loc = transport.rfind("server_port=") + 12; size_t sPort_loc = transport.rfind("server_port=") + 12;
if (sPort_loc != std::string::npos){ if (sPort_loc != std::string::npos){
sPortA = atol(transport.substr(sPort_loc, transport.find('-', sPort_loc) - sPort_loc).c_str()); sPortA =
sPortB = atol(transport.substr(transport.find('-', sPort_loc)+1).c_str()); atol(transport.substr(sPort_loc, transport.find('-', sPort_loc) - sPort_loc).c_str());
sPortB = atol(transport.substr(transport.find('-', sPort_loc) + 1).c_str());
} }
size_t port_loc = transport.rfind("client_port=") + 12; size_t port_loc = transport.rfind("client_port=") + 12;
if (port_loc != std::string::npos){ if (port_loc != std::string::npos){
cPortA = atol(transport.substr(port_loc, transport.find('-', port_loc) - port_loc).c_str()); cPortA = atol(transport.substr(port_loc, transport.find('-', port_loc) - port_loc).c_str());
cPortB = atol(transport.substr(transport.find('-', port_loc)+1).c_str()); cPortB = atol(transport.substr(transport.find('-', port_loc) + 1).c_str());
} }
INFO_MSG("UDP ports: server %d/%d, client %d/%d", sPortA, sPortB, cPortA, cPortB); INFO_MSG("UDP ports: server %d/%d, client %d/%d", sPortA, sPortB, cPortA, cPortB);
int sendbuff = 4 * 1024 * 1024; int sendbuff = 4 * 1024 * 1024;
if (!sPortA || !sPortB){ if (!sPortA || !sPortB){
//Server mode - find server ports // Server mode - find server ports
data.SetDestination(host, cPortA); data.SetDestination(host, cPortA);
setsockopt(data.getSock(), SOL_SOCKET, SO_SNDBUF, &sendbuff, sizeof(sendbuff)); setsockopt(data.getSock(), SOL_SOCKET, SO_SNDBUF, &sendbuff, sizeof(sendbuff));
rtcp.SetDestination(host, cPortB); rtcp.SetDestination(host, cPortB);
@ -285,10 +296,11 @@ namespace SDP{
std::stringstream tStr; std::stringstream tStr;
tStr << "RTP/AVP/UDP;unicast;client_port=" << cPortA << '-' << cPortB << ";"; tStr << "RTP/AVP/UDP;unicast;client_port=" << cPortA << '-' << cPortB << ";";
if (source.size()){tStr << "source=" << source << ";";} if (source.size()){tStr << "source=" << source << ";";}
tStr << "server_port=" << portA << "-" << portB << ";ssrc=" << std::hex << mySSRC << std::dec; tStr << "server_port=" << portA << "-" << portB << ";ssrc=" << std::hex << mySSRC
<< std::dec;
transportString = tStr.str(); transportString = tStr.str();
}else{ }else{
//Client mode - check ports and/or obey given ports if possible // Client mode - check ports and/or obey given ports if possible
data.SetDestination(host, sPortA); data.SetDestination(host, sPortA);
setsockopt(data.getSock(), SOL_SOCKET, SO_SNDBUF, &sendbuff, sizeof(sendbuff)); setsockopt(data.getSock(), SOL_SOCKET, SO_SNDBUF, &sendbuff, sizeof(sendbuff));
rtcp.SetDestination(host, sPortB); rtcp.SetDestination(host, sPortB);
@ -483,18 +495,16 @@ namespace SDP{
continue; continue;
} }
if (to.substr(0, 12) == "a=framerate:"){ if (to.substr(0, 12) == "a=framerate:"){
if (!thisTrack->rate){ if (!thisTrack->rate){thisTrack->rate = atof(to.c_str() + 12) * 1000;}
thisTrack->rate = atof(to.c_str() + 12)*1000;
}
continue; continue;
} }
if (to.substr(0, 12) == "a=framesize:"){ if (to.substr(0, 12) == "a=framesize:"){
//Ignored for now. // Ignored for now.
/// \TODO Maybe implement? /// \TODO Maybe implement?
continue; continue;
} }
if (to.substr(0, 11) == "a=cliprect:"){ if (to.substr(0, 11) == "a=cliprect:"){
//Ignored for now. // Ignored for now.
/// \TODO Maybe implement? /// \TODO Maybe implement?
continue; continue;
} }
@ -543,7 +553,8 @@ namespace SDP{
// at this point, the data is definitely for a track // at this point, the data is definitely for a track
INFO_MSG("Unhandled SDP line for track %llu: %s", trackNo, to.c_str()); INFO_MSG("Unhandled SDP line for track %llu: %s", trackNo, to.c_str());
} }
for (std::map<unsigned int, DTSC::Track>::iterator it = myMeta->tracks.begin(); it != myMeta->tracks.end(); ++it){ for (std::map<unsigned int, DTSC::Track>::iterator it = myMeta->tracks.begin();
it != myMeta->tracks.end(); ++it){
INFO_MSG("Detected track %s", it->second.getIdentifier().c_str()); INFO_MSG("Detected track %s", it->second.getIdentifier().c_str());
} }
} }
@ -610,7 +621,9 @@ namespace SDP{
HTTP::URL url(H.url); HTTP::URL url(H.url);
std::string urlString = url.getBareUrl(); std::string urlString = url.getBareUrl();
std::string pw = H.GetVar("pass"); std::string pw = H.GetVar("pass");
bool loop = true;
while (loop){
if (tracks.size()){ if (tracks.size()){
for (std::map<uint32_t, Track>::iterator it = tracks.begin(); it != tracks.end(); ++it){ for (std::map<uint32_t, Track>::iterator it = tracks.begin(); it != tracks.end(); ++it){
if (!it->second.control.size()){ if (!it->second.control.size()){
@ -643,6 +656,12 @@ namespace SDP{
return trackNo; return trackNo;
} }
} }
if (urlString != url.path){
urlString = url.path;
}else{
loop = false;
}
}
return 0; return 0;
} }
@ -675,7 +694,7 @@ namespace SDP{
// Header data? Compare to init, set if needed, and throw away // Header data? Compare to init, set if needed, and throw away
uint8_t nalType = (buffer[4] & 0x1F); uint8_t nalType = (buffer[4] & 0x1F);
if (nalType == 9 && len < 20){return;}//ignore delimiter-only packets if (nalType == 9 && len < 20){return;}// ignore delimiter-only packets
switch (nalType){ switch (nalType){
case 7: // SPS case 7: // SPS
if (tracks[track].spsData.size() != len - 4 || if (tracks[track].spsData.size() != len - 4 ||
@ -1015,5 +1034,5 @@ namespace SDP{
return; return;
} }
} }
} }// namespace SDP