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Refactor RTP sender

This commit is contained in:
winlin 2020-04-13 15:37:32 +08:00
parent 756826756a
commit 048301d9eb
2 changed files with 43 additions and 41 deletions

View file

@ -581,7 +581,7 @@ srs_error_t SrsRtcSenderThread::cycle()
}
int nn_rtp_pkts = 0;
if ((err = send_messages(source, msgs.msgs, msg_count, sendonly_ukt, &nn_rtp_pkts)) != srs_success) {
if ((err = send_messages(sendonly_ukt, source, msgs.msgs, msg_count, &nn_rtp_pkts)) != srs_success) {
srs_warn("send err %s", srs_error_summary(err).c_str()); srs_error_reset(err);
}
@ -601,8 +601,7 @@ srs_error_t SrsRtcSenderThread::cycle()
}
srs_error_t SrsRtcSenderThread::send_messages(
SrsSource* source, SrsSharedPtrMessage** msgs, int nb_msgs,
SrsUdpMuxSocket* skt, int* pnn_rtp_pkts
SrsUdpMuxSocket* skt, SrsSource* source, SrsSharedPtrMessage** msgs, int nb_msgs, int* pnn_rtp_pkts
) {
srs_error_t err = srs_success;
@ -620,13 +619,12 @@ srs_error_t SrsRtcSenderThread::send_messages(
return err;
}
// Send out RTP packets
*pnn_rtp_pkts += (int)packets.size();
err = send_packets(skt, packets);
for (int j = 0; j < (int)packets.size(); j++) {
SrsRtpPacket2* packet = packets[j];
if ((err = send_packet(packet, skt)) != srs_success) {
srs_warn("send err %s", srs_error_summary(err).c_str()); srs_error_reset(err);
}
srs_freep(packet);
}
@ -695,48 +693,52 @@ srs_error_t SrsRtcSenderThread::messages_to_packets(
return err;
}
srs_error_t SrsRtcSenderThread::send_packet(SrsRtpPacket2* pkt, SrsUdpMuxSocket* skt)
srs_error_t SrsRtcSenderThread::send_packets(SrsUdpMuxSocket* skt, vector<SrsRtpPacket2*>& packets)
{
srs_error_t err = srs_success;
ISrsUdpSender* sender = skt->sender();
for (vector<SrsRtpPacket2*>::iterator it = packets.begin(); it != packets.end(); ++it) {
SrsRtpPacket2* packet = *it;
ISrsUdpSender* sender = skt->sender();
// Fetch a cached message from queue.
// TODO: FIXME: Maybe encrypt in async, so the state of mhdr maybe not ready.
mmsghdr* mhdr = NULL;
if ((err = sender->fetch(&mhdr)) != srs_success) {
return srs_error_wrap(err, "fetch msghdr");
}
char* buf = (char*)mhdr->msg_hdr.msg_iov->iov_base;
int length = kRtpPacketSize;
// Marshal packet to bytes.
if (true) {
SrsBuffer stream(buf, length);
if ((err = pkt->encode(&stream)) != srs_success) {
return srs_error_wrap(err, "encode packet");
// Fetch a cached message from queue.
// TODO: FIXME: Maybe encrypt in async, so the state of mhdr maybe not ready.
mmsghdr* mhdr = NULL;
if ((err = sender->fetch(&mhdr)) != srs_success) {
return srs_error_wrap(err, "fetch msghdr");
}
length = stream.pos();
}
char* buf = (char*)mhdr->msg_hdr.msg_iov->iov_base;
int length = kRtpPacketSize;
// Whether encrypt the RTP bytes.
if (rtc_session->encrypt) {
if ((err = rtc_session->dtls_session->protect_rtp2(buf, &length)) != srs_success) {
return srs_error_wrap(err, "srtp protect");
// Marshal packet to bytes.
if (true) {
SrsBuffer stream(buf, length);
if ((err = packet->encode(&stream)) != srs_success) {
return srs_error_wrap(err, "encode packet");
}
length = stream.pos();
}
// Whether encrypt the RTP bytes.
if (rtc_session->encrypt) {
if ((err = rtc_session->dtls_session->protect_rtp2(buf, &length)) != srs_success) {
return srs_error_wrap(err, "srtp protect");
}
}
sockaddr_in* addr = (sockaddr_in*)skt->peer_addr();
socklen_t addrlen = (socklen_t)skt->peer_addrlen();
mhdr->msg_hdr.msg_name = (sockaddr_in*)addr;
mhdr->msg_hdr.msg_namelen = (socklen_t)addrlen;
mhdr->msg_hdr.msg_iov->iov_len = length;
mhdr->msg_len = 0;
if ((err = sender->sendmmsg(mhdr)) != srs_success) {
return srs_error_wrap(err, "send msghdr");
}
}
sockaddr_in* addr = (sockaddr_in*)skt->peer_addr();
socklen_t addrlen = (socklen_t)skt->peer_addrlen();
mhdr->msg_hdr.msg_name = (sockaddr_in*)addr;
mhdr->msg_hdr.msg_namelen = (socklen_t)addrlen;
mhdr->msg_hdr.msg_iov->iov_len = length;
mhdr->msg_len = 0;
if ((err = sender->sendmmsg(mhdr)) != srs_success) {
return srs_error_wrap(err, "send msghdr");
}
return err;
}

View file

@ -152,9 +152,9 @@ public:
public:
virtual srs_error_t cycle();
private:
srs_error_t send_messages(SrsSource* source, SrsSharedPtrMessage** msgs, int nb_msgs, SrsUdpMuxSocket* skt, int* pnn_rtp_pkts);
srs_error_t send_messages(SrsUdpMuxSocket* skt, SrsSource* source, SrsSharedPtrMessage** msgs, int nb_msgs, int* pnn_rtp_pkts);
srs_error_t messages_to_packets(SrsSource* source, SrsSharedPtrMessage** msgs, int nb_msgs, std::vector<SrsRtpPacket2*>& packets);
srs_error_t send_packet(SrsRtpPacket2* pkt, SrsUdpMuxSocket* skt);
srs_error_t send_packets(SrsUdpMuxSocket* skt, std::vector<SrsRtpPacket2*>& packets);
private:
srs_error_t packet_opus(SrsSample* sample, SrsRtpPacket2** ppacket);
private: