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rtc添加对rtcp bye支持

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This commit is contained in:
xia-chu 2021-04-07 17:21:59 +08:00
parent f374f72312
commit d354c9466c
2 changed files with 44 additions and 10 deletions
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44
webrtc/WebRtcTransport.cpp
View File

@ -12,6 +12,10 @@ WebRtcTransport::WebRtcTransport(const EventPoller::Ptr &poller) {
_ice_server = std::make_shared<RTC::IceServer>(this, makeRandStr(4), makeRandStr(28).substr(4));
}
void WebRtcTransport::onCreate(){
}
void WebRtcTransport::onDestory(){
_dtls_transport = nullptr;
_ice_server = nullptr;
@ -208,18 +212,28 @@ WebRtcTransportImp::Ptr WebRtcTransportImp::create(const EventPoller::Ptr &polle
ptr->onDestory();
delete ptr;
});
ret->onCreate();
return ret;
}
WebRtcTransportImp::WebRtcTransportImp(const EventPoller::Ptr &poller) : WebRtcTransport(poller) {
_socket = Socket::createSocket(poller, false);
void WebRtcTransportImp::onCreate(){
WebRtcTransport::onCreate();
_socket = Socket::createSocket(getPoller(), false);
//随机端口，绑定全部网卡
_socket->bindUdpSock(0);
_socket->setOnRead([this](const Buffer::Ptr &buf, struct sockaddr *addr, int addr_len) mutable {
inputSockData(buf->data(), buf->size(), addr);
weak_ptr<WebRtcTransportImp> weak_self = shared_from_this();
_socket->setOnRead([weak_self](const Buffer::Ptr &buf, struct sockaddr *addr, int addr_len) mutable {
auto strong_self = weak_self.lock();
if (strong_self) {
strong_self->inputSockData(buf->data(), buf->size(), addr);
}
});
}
WebRtcTransportImp::WebRtcTransportImp(const EventPoller::Ptr &poller) : WebRtcTransport(poller) {
}
void WebRtcTransportImp::onDestory() {
WebRtcTransport::onDestory();
}
@ -281,7 +295,7 @@ void WebRtcTransportImp::onStartWebRTC() {
_push_src->setSdp(getSdp(SdpType::answer).toRtspSdp());
}
if (canSendRtp()) {
_reader = _play_src->getRing()->attach(_socket->getPoller(), true);
_reader = _play_src->getRing()->attach(getPoller(), true);
weak_ptr<WebRtcTransportImp> weak_self = shared_from_this();
_reader->setReadCB([weak_self](const RtspMediaSource::RingDataType &pkt) {
auto strongSelf = weak_self.lock();
@ -403,7 +417,6 @@ void WebRtcTransportImp::onRtcp(const char *buf, size_t len) {
it->second->rtcp_context_recv->onRtcp(sr);
auto rr = it->second->rtcp_context_recv->createRtcpRR(sr->items.ssrc, sr->ssrc);
sendRtcpPacket(rr->data(), rr->size(), true);
InfoL << "send rtcp rr";
}
break;
}
@ -414,12 +427,21 @@ void WebRtcTransportImp::onRtcp(const char *buf, size_t len) {
if (it != _rtp_info_ssrc.end()) {
auto sr = it->second->rtcp_context_send->createRtcpSR(rr->items.ssrc);
sendRtcpPacket(sr->data(), sr->size(), true);
InfoL << "send rtcp sr";
}
break;
}
case RtcpType::RTCP_BYE : {
//todo 此处应该销毁对象
//对方汇报停止发送rtp
RtcpBye *bye = (RtcpBye *) rtcp;
for (auto ssrc : bye->getSSRC()) {
auto it = _rtp_info_ssrc.find(*ssrc);
if (it == _rtp_info_ssrc.end()) {
continue;
}
_rtp_info_pt.erase(it->second->plan->pt);
_rtp_info_ssrc.erase(it);
}
onShutdown(SockException(Err_eof, "rtcp bye message received"));
break;
}
case RtcpType::RTCP_PSFB: {
@ -459,7 +481,6 @@ void WebRtcTransportImp::onSortedRtp(const RtpPayloadInfo &info, RtpPacket::Ptr
pli->ssrc = htonl(0);
pli->ssrc_media = htonl(_recv_video_ssrc);
sendRtcpPacket((char *) pli.get(), sizeof(RtcpPli), true);
InfoL << "send pli";
}
if (_push_src) {
_push_src->onWrite(std::move(rtp), false);
@ -481,3 +502,8 @@ void WebRtcTransportImp::onSendRtp(const RtpPacket::Ptr &rtp, bool flush){
//统计rtp发送情况，好做sr汇报
_rtp_info_pt[pt].rtcp_context_send->onRtp(rtp->getSeq(), rtp->getStampMS(), rtp->size() - RtpPacket::kRtpTcpHeaderSize);
}
void WebRtcTransportImp::onShutdown(const SockException &ex){
InfoL << ex.what();
}

10
webrtc/WebRtcTransport.h
View File

@ -21,7 +21,12 @@ public:
~WebRtcTransport() override = default;
/**
* 消费对象
* 创建对象
*/
virtual void onCreate();
/**
* 销毁对象
*/
virtual void onDestory();
@ -84,6 +89,7 @@ protected:
virtual void onRtp(const char *buf, size_t len) = 0;
virtual void onRtcp(const char *buf, size_t len) = 0;
virtual void onShutdown(const SockException &ex) = 0;
protected:
const RtcSession& getSdp(SdpType type) const;
@ -131,9 +137,11 @@ protected:
void onRtp(const char *buf, size_t len) override;
void onRtcp(const char *buf, size_t len) override;
void onShutdown(const SockException &ex) override;
private:
WebRtcTransportImp(const EventPoller::Ptr &poller);
void onCreate() override;
void onDestory() override;
void onSendRtp(const RtpPacket::Ptr &rtp, bool flush);
SdpAttrCandidate::Ptr getIceCandidate() const;