srt can push but bandwith estimate has error

This commit is contained in:
xiongguangjie 2022-06-03 16:47:53 +08:00
parent 1891c4e391
commit 9fadc22c80
5 changed files with 299 additions and 6 deletions

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@ -1,6 +1,6 @@
#include "SrtSession.hpp" #include "SrtSession.hpp"
#include "Packet.hpp" #include "Packet.hpp"
#include "SrtTransport.hpp" #include "SrtTransportImp.hpp"
#include "Common/config.h" #include "Common/config.h"
@ -70,7 +70,7 @@ void SrtSession::onRecv(const Buffer::Ptr &buffer) {
auto type = HandshakePacket::getHandshakeType(data, size); auto type = HandshakePacket::getHandshakeType(data, size);
if (type == HandshakePacket::HS_TYPE_INDUCTION) { if (type == HandshakePacket::HS_TYPE_INDUCTION) {
// 握手第一阶段 // 握手第一阶段
_transport = std::make_shared<SrtTransport>(getPoller()); _transport = std::make_shared<SrtTransportImp>(getPoller());
} else if (type == HandshakePacket::HS_TYPE_CONCLUSION) { } else if (type == HandshakePacket::HS_TYPE_CONCLUSION) {
// 握手第二阶段 // 握手第二阶段

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@ -189,7 +189,7 @@ void SrtTransport::handleHandshakeConclusion(HandshakePacket &pkt, struct sockad
sendControlPacket(res, true); sendControlPacket(res, true);
TraceL<<" buf size = "<<res->max_flow_window_size<<" init seq ="<<_init_seq_number<<" lantency="<<req->recv_tsbpd_delay; TraceL<<" buf size = "<<res->max_flow_window_size<<" init seq ="<<_init_seq_number<<" lantency="<<req->recv_tsbpd_delay;
_recv_buf = std::make_shared<PacketQueue>(res->max_flow_window_size,_init_seq_number, req->recv_tsbpd_delay*1e6); _recv_buf = std::make_shared<PacketQueue>(res->max_flow_window_size,_init_seq_number, req->recv_tsbpd_delay*1e6);
onHandShakeFinished(_stream_id); onHandShakeFinished(_stream_id,addr);
} else { } else {
TraceL << getIdentifier() << " CONCLUSION handle repeate "; TraceL << getIdentifier() << " CONCLUSION handle repeate ";
sendControlPacket(_handleshake_res, true); sendControlPacket(_handleshake_res, true);
@ -356,7 +356,7 @@ void SrtTransport::handleDataPacket(uint8_t *buf, int len, struct sockaddr_stora
auto list = _recv_buf->tryGetPacket(); auto list = _recv_buf->tryGetPacket();
for(auto data : list){ for(auto data : list){
onSRTData(std::move(data)); onSRTData(std::move(data),addr);
} }
} }

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@ -44,8 +44,8 @@ public:
void unregisterSelfHandshake(); void unregisterSelfHandshake();
void unregisterSelf(); void unregisterSelf();
protected: protected:
virtual void onHandShakeFinished(std::string& streamid){}; virtual void onHandShakeFinished(std::string& streamid,struct sockaddr_storage *addr){};
virtual void onSRTData(DataPacket::Ptr pkt){}; virtual void onSRTData(DataPacket::Ptr pkt,struct sockaddr_storage *addr){};
virtual void onShutdown(const SockException &ex); virtual void onShutdown(const SockException &ex);
private: private:

220
srt/SrtTransportImp.cpp Normal file
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@ -0,0 +1,220 @@
#include <memory>
#include "Util/util.h"
#include "SrtTransportImp.hpp"
namespace SRT {
SrtTransportImp::SrtTransportImp(const EventPoller::Ptr &poller)
: SrtTransport(poller) {}
SrtTransportImp::~SrtTransportImp() {
InfoP(this);
}
void SrtTransportImp::onHandShakeFinished(std::string &streamid,struct sockaddr_storage *addr) {
// TODO parse streamid like this zlmediakit.com/live/test?token=1213444&type=pusher
if(!_addr){
_addr.reset(new sockaddr_storage(*((sockaddr_storage *)addr)));
}
_media_info.parse("srt://"+streamid);
auto params = Parser::parseArgs(_media_info._param_strs);
if(params["type"] == "push"){
_is_pusher = true;
_decoder = DecoderImp::createDecoder(DecoderImp::decoder_ts, this);
emitOnPublish();
}else{
_is_pusher = false;
}
}
void SrtTransportImp::onSRTData(DataPacket::Ptr pkt,struct sockaddr_storage *addr) {
if(!_is_pusher){
WarnP(this)<<"this is a player data ignore";
return;
}
if(!_addr){
_addr.reset(new sockaddr_storage(*((sockaddr_storage *)addr)));
}
if (_decoder) {
_decoder->input(reinterpret_cast<const uint8_t *>(pkt->payloadData()), pkt->payloadSize());
}else{
WarnP(this)<<" not reach this";
}
}
void SrtTransportImp::onShutdown(const SockException &ex) {
SrtTransport::onShutdown(ex);
}
bool SrtTransportImp::close(mediakit::MediaSource &sender, bool force){
if (!force && totalReaderCount(sender)) {
return false;
}
std::string err = StrPrinter << "close media:" << sender.getSchema() << "/" << sender.getVhost() << "/"
<< sender.getApp() << "/" << sender.getId() << " " << force;
weak_ptr<SrtTransportImp> weak_self = static_pointer_cast<SrtTransportImp>(shared_from_this());
getPoller()->async([weak_self, err]() {
auto strong_self = weak_self.lock();
if (strong_self) {
strong_self->onShutdown(SockException(Err_shutdown, err));
//主动关闭推流,那么不延时注销
strong_self->_muxer = nullptr;
}
});
return true;
}
// 播放总人数
int SrtTransportImp::totalReaderCount(mediakit::MediaSource &sender){
return _muxer ? _muxer->totalReaderCount() : sender.readerCount();
}
// 获取媒体源类型
mediakit::MediaOriginType SrtTransportImp::getOriginType(mediakit::MediaSource &sender) const{
return MediaOriginType::srt_push;
}
// 获取媒体源url或者文件路径
std::string SrtTransportImp::getOriginUrl(mediakit::MediaSource &sender) const{
return _media_info._full_url;
}
// 获取媒体源客户端相关信息
std::shared_ptr<SockInfo> SrtTransportImp::getOriginSock(mediakit::MediaSource &sender) const{
return static_pointer_cast<SockInfo>(getSession());
}
void SrtTransportImp::emitOnPublish() {
std::weak_ptr<SrtTransportImp> weak_self = static_pointer_cast<SrtTransportImp>(shared_from_this());
Broadcast::PublishAuthInvoker invoker = [weak_self](const std::string &err, const ProtocolOption &option) {
auto strong_self = weak_self.lock();
if (!strong_self) {
return;
}
if (err.empty()) {
strong_self->_muxer = std::make_shared<MultiMediaSourceMuxer>(strong_self->_media_info._vhost,
strong_self->_media_info._app,
strong_self->_media_info._streamid, 0.0f,
option);
strong_self->_muxer->setMediaListener(strong_self);
strong_self->doCachedFunc();
InfoP(strong_self) << "允许 srt 推流";
} else {
WarnP(strong_self) << "禁止 srt 推流:" << err;
strong_self->onShutdown(SockException(Err_refused,err));
}
};
//触发推流鉴权事件
auto flag = NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastMediaPublish, MediaOriginType::rtp_push, _media_info, invoker, static_cast<SockInfo &>(*this));
if (!flag) {
//该事件无人监听,默认不鉴权
invoker("", ProtocolOption());
}
}
void SrtTransportImp::emitOnPlay(){
std::weak_ptr<SrtTransportImp> weak_self = static_pointer_cast<SrtTransportImp>(shared_from_this());
Broadcast::AuthInvoker invoker = [weak_self](const string &err){
auto strong_self = weak_self.lock();
if (!strong_self) {
return;
}
strong_self->getPoller()->async([strong_self,err]{
if(err != ""){
strong_self->onShutdown(SockException(Err_refused,err));
}else{
strong_self->doPlay();
}
});
};
auto flag = NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastMediaPlayed, _media_info, invoker, static_cast<SockInfo &>(*this));
if(!flag){
doPlay();
}
}
void SrtTransportImp::doPlay(){
}
std::string SrtTransportImp::get_peer_ip() {
if (!_addr) {
return "::";
}
return SockUtil::inet_ntoa((sockaddr *)_addr.get());
}
uint16_t SrtTransportImp::get_peer_port() {
if (!_addr) {
return 0;
}
return SockUtil::inet_port((sockaddr *)_addr.get());
}
std::string SrtTransportImp::get_local_ip() {
auto s = getSession();
if (s) {
return s->get_local_ip();
}
return "::";
}
uint16_t SrtTransportImp::get_local_port() {
auto s = getSession();
if (s) {
return s->get_local_port();
}
return 0;
}
std::string SrtTransportImp::getIdentifier() const {
return _media_info._streamid;
}
bool SrtTransportImp::inputFrame(const Frame::Ptr &frame) {
if (_muxer) {
return _muxer->inputFrame(frame);
}
if (_cached_func.size() > 200) {
WarnL << "cached frame of track(" << frame->getCodecName() << ") is too much, now dropped";
return false;
}
auto frame_cached = Frame::getCacheAbleFrame(frame);
lock_guard<recursive_mutex> lck(_func_mtx);
_cached_func.emplace_back([this, frame_cached]() {
_muxer->inputFrame(frame_cached);
});
return true;
}
bool SrtTransportImp::addTrack(const Track::Ptr &track) {
if (_muxer) {
return _muxer->addTrack(track);
}
lock_guard<recursive_mutex> lck(_func_mtx);
_cached_func.emplace_back([this, track]() {
_muxer->addTrack(track);
});
return true;
}
void SrtTransportImp::addTrackCompleted() {
if (_muxer) {
_muxer->addTrackCompleted();
} else {
lock_guard<recursive_mutex> lck(_func_mtx);
_cached_func.emplace_back([this]() {
_muxer->addTrackCompleted();
});
}
}
void SrtTransportImp::doCachedFunc() {
lock_guard<recursive_mutex> lck(_func_mtx);
for (auto &func : _cached_func) {
func();
}
_cached_func.clear();
}
} // namespace SRT

73
srt/SrtTransportImp.hpp Normal file
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@ -0,0 +1,73 @@
#ifndef ZLMEDIAKIT_SRT_TRANSPORT_IMP_H
#define ZLMEDIAKIT_SRT_TRANSPORT_IMP_H
#include "Common/MultiMediaSourceMuxer.h"
#include "Rtp/Decoder.h"
#include "SrtTransport.hpp"
namespace SRT {
using namespace toolkit;
using namespace mediakit;
using namespace std;
class SrtTransportImp
: public SrtTransport
, public toolkit::SockInfo
, public MediaSinkInterface
, public mediakit::MediaSourceEvent {
public:
SrtTransportImp(const EventPoller::Ptr &poller);
~SrtTransportImp();
/// SockInfo override
std::string get_local_ip() override;
uint16_t get_local_port() override;
std::string get_peer_ip() override;
uint16_t get_peer_port() override;
std::string getIdentifier() const override;
protected:
///////SrtTransport override///////
void onHandShakeFinished(std::string& streamid,struct sockaddr_storage *addr) override;
void onSRTData(DataPacket::Ptr pkt,struct sockaddr_storage *addr) override;
void onShutdown(const SockException &ex) override;
///////MediaSourceEvent override///////
// 关闭
bool close(mediakit::MediaSource &sender, bool force) override;
// 播放总人数
int totalReaderCount(mediakit::MediaSource &sender) override;
// 获取媒体源类型
mediakit::MediaOriginType getOriginType(mediakit::MediaSource &sender) const override;
// 获取媒体源url或者文件路径
std::string getOriginUrl(mediakit::MediaSource &sender) const override;
// 获取媒体源客户端相关信息
std::shared_ptr<SockInfo> getOriginSock(mediakit::MediaSource &sender) const override;
bool inputFrame(const Frame::Ptr &frame) override;
bool addTrack(const Track::Ptr & track) override;
void addTrackCompleted() override;
void resetTracks() override {};
private:
void emitOnPublish();
void emitOnPlay();
void doPlay();
void doCachedFunc();
private:
bool _is_pusher = true;
MediaInfo _media_info;
std::unique_ptr<sockaddr_storage> _addr;
// for pusher
MultiMediaSourceMuxer::Ptr _muxer;
DecoderImp::Ptr _decoder;
std::recursive_mutex _func_mtx;
std::deque<std::function<void()> > _cached_func;
};
} // namespace SRT
#endif // ZLMEDIAKIT_SRT_TRANSPORT_IMP_H