int WebRtcConnection::deliverFeedback_(char* buf, int len){
// Check where to send the feedback
RtcpHeader *chead = reinterpret_cast<RtcpHeader*> (buf);
// ELOG_DEBUG("received Feedback type %u ssrc %u, sourcessrc %u", chead->packettype, chead->getSSRC(), chead->getSourceSSRC());
if (chead->getSourceSSRC() == this->getAudioSourceSSRC()) {
writeSsrc(buf,len,this->getAudioSinkSSRC());
} else {
writeSsrc(buf,len,this->getVideoSinkSSRC());
}
if (videoTransport_ != NULL) {
this->queueData(0, buf, len, videoTransport_);
}
return len;
}
int WebRtcConnection::deliverFeedback(char* buf, int len){
// Check where to send the feedback
rtcpheader *chead = (rtcpheader*) buf;
ELOG_DEBUG("received Feedback type %u ssrc %u, sourcessrc %u", chead->packettype, ntohl(chead->ssrc), ntohl(chead->ssrcsource));
if (ntohl(chead->ssrcsource) == this->getAudioSourceSSRC()) {
writeSsrc(buf,len,this->getAudioSinkSSRC());
} else {
writeSsrc(buf,len,this->getVideoSinkSSRC());
}
if (bundle_){
if (videoTransport_ != NULL) {
videoTransport_->write(buf, len);
}
} else {
// TODO: Check where to send the feedback
if (videoTransport_ != NULL) {
videoTransport_->write(buf, len);
}
}
return len;
}
int WebRtcConnection::deliverAudioData_(char* buf, int len) {
writeSsrc(buf, len, this->getAudioSinkSSRC());
if (bundle_){
if (videoTransport_ != NULL) {
if (audioEnabled_ == true) {
this->queueData(0, buf, len, videoTransport_);
}
}
} else if (audioTransport_ != NULL) {
if (audioEnabled_ == true) {
this->queueData(0, buf, len, audioTransport_);
}
}
return len;
}
int WebRtcConnection::deliverAudioData(char* buf, int len) {
boost::mutex::scoped_lock lock(receiveAudioMutex_);
writeSsrc(buf, len, this->getAudioSinkSSRC());
if (bundle_){
if (videoTransport_ != NULL) {
if (audioEnabled_ == true) {
videoTransport_->write(buf, len);
}
}
} else if (audioTransport_ != NULL) {
if (audioEnabled_ == true) {
audioTransport_->write(buf, len);
}
}
return len;
}
int WebRtcConnection::deliverVideoData(char* buf, int len) {
boost::mutex::scoped_lock lock(receiveAudioMutex_);
rtpheader *head = (rtpheader*) buf;
if (head->payloadtype == RED_90000_PT) {
int totalLength = 12;
if (head->extension) {
totalLength += ntohs(head->extensionlength)*4 + 4; // RTP Extension header
}
int rtpHeaderLength = totalLength;
redheader *redhead = (redheader*) (buf + totalLength);
//redhead->payloadtype = remoteSdp_.inOutPTMap[redhead->payloadtype];
if (!remoteSdp_.supportPayloadType(head->payloadtype)) {
while (redhead->follow) {
totalLength += redhead->getLength() + 4; // RED header
redhead = (redheader*) (buf + totalLength);
}
// Parse RED packet to VP8 packet.
// Copy RTP header
memcpy(deliverMediaBuffer_, buf, rtpHeaderLength);
// Copy payload data
memcpy(deliverMediaBuffer_ + totalLength, buf + totalLength + 1, len - totalLength - 1);
// Copy payload type
rtpheader *mediahead = (rtpheader*) deliverMediaBuffer_;
mediahead->payloadtype = redhead->payloadtype;
buf = deliverMediaBuffer_;
len = len - 1 - totalLength + rtpHeaderLength;
}
}
writeSsrc(buf, len, this->getVideoSinkSSRC());
if (videoTransport_ != NULL) {
if (videoEnabled_ == true) {
videoTransport_->write(buf, len);
}
}
return len;
}
int WebRtcConnection::deliverVideoData_(char* buf, int len) {
writeSsrc(buf, len, this->getVideoSinkSSRC());
if (videoTransport_ != NULL) {
if (videoEnabled_ == true) {
RtpHeader* h = reinterpret_cast<RtpHeader*>(buf);
if (h->getPayloadType() == RED_90000_PT && !remoteSdp_.supportPayloadType(RED_90000_PT)) {
// This is a RED/FEC payload, but our remote endpoint doesn't support that (most likely because it's firefox :/ )
// Let's go ahead and run this through our fec receiver to convert it to raw VP8
webrtc::RTPHeader hackyHeader;
hackyHeader.headerLength = h->getHeaderLength();
hackyHeader.sequenceNumber = h->getSeqNumber();
// FEC copies memory, manages its own memory, including memory passed in callbacks (in the callback, be sure to memcpy out of webrtc's buffers
if (fec_receiver_.AddReceivedRedPacket(hackyHeader, (const uint8_t*) buf, len, ULP_90000_PT) == 0) {
fec_receiver_.ProcessReceivedFec();
}
} else {
this->queueData(0, buf, len, videoTransport_);
}
}
}
return len;
}
