int MediaStream::deliverFeedback_(std::shared_ptr<DataPacket> fb_packet) {
RtcpHeader *chead = reinterpret_cast<RtcpHeader*>(fb_packet->data);
uint32_t recvSSRC = chead->getSourceSSRC();
if (isVideoSourceSSRC(recvSSRC)) {
fb_packet->type = VIDEO_PACKET;
sendPacketAsync(fb_packet);
} else if (isAudioSourceSSRC(recvSSRC)) {
fb_packet->type = AUDIO_PACKET;
sendPacketAsync(fb_packet);
} else {
ELOG_DEBUG("%s deliverFeedback unknownSSRC: %u, localVideoSSRC: %u, localAudioSSRC: %u",
toLog(), recvSSRC, this->getVideoSourceSSRC(), this->getAudioSourceSSRC());
}
return fb_packet->length;
}
int MediaStream::sendPLI() {
RtcpHeader thePLI;
thePLI.setPacketType(RTCP_PS_Feedback_PT);
thePLI.setBlockCount(1);
thePLI.setSSRC(this->getVideoSinkSSRC());
thePLI.setSourceSSRC(this->getVideoSourceSSRC());
thePLI.setLength(2);
char *buf = reinterpret_cast<char*>(&thePLI);
int len = (thePLI.getLength() + 1) * 4;
sendPacketAsync(std::make_shared<DataPacket>(0, buf, len, VIDEO_PACKET));
return len;
}
int MediaStream::deliverFeedback_(std::shared_ptr<DataPacket> fb_packet) {
RtcpHeader *chead = reinterpret_cast<RtcpHeader*>(fb_packet->data);
uint32_t recvSSRC = chead->getSourceSSRC();
if (chead->isREMB()) {
for (uint8_t index = 0; index < chead->getREMBNumSSRC(); index++) {
uint32_t ssrc = chead->getREMBFeedSSRC(index);
if (isVideoSourceSSRC(ssrc)) {
recvSSRC = ssrc;
break;
}
}
}
if (isVideoSourceSSRC(recvSSRC)) {
fb_packet->type = VIDEO_PACKET;
sendPacketAsync(fb_packet);
} else if (isAudioSourceSSRC(recvSSRC)) {
fb_packet->type = AUDIO_PACKET;
sendPacketAsync(fb_packet);
} else {
ELOG_DEBUG("%s deliverFeedback unknownSSRC: %u, localVideoSSRC: %u, localAudioSSRC: %u",
toLog(), recvSSRC, this->getVideoSourceSSRC(), this->getAudioSourceSSRC());
}
return fb_packet->length;
}
int MediaStream::deliverVideoData_(std::shared_ptr<DataPacket> video_packet) {
if (video_enabled_ == true) {
sendPacketAsync(std::make_shared<DataPacket>(*video_packet));
}
return video_packet->length;
}
int MediaStream::deliverAudioData_(std::shared_ptr<DataPacket> audio_packet) {
if (audio_enabled_ == true) {
sendPacketAsync(std::make_shared<DataPacket>(*audio_packet));
}
return audio_packet->length;
}
