整理媒体事件相关代码，删除无须重载时的多余代码逻辑

src/Rtp/RtpProcess.cpp

@@ -229,14 +229,6 @@ string RtpProcess::getIdentifier() const {
     return _media_info._streamid;
 }
 
-int RtpProcess::getTotalReaderCount() {
-    return _muxer ? _muxer->totalReaderCount() : 0;
-}
-
-void RtpProcess::setListener(const std::weak_ptr<MediaSourceEvent> &listener) {
-    setDelegate(listener);
-}
-
 void RtpProcess::emitOnPublish() {
     weak_ptr<RtpProcess> weak_self = shared_from_this();
     Broadcast::PublishAuthInvoker invoker = [weak_self](const string &err, const ProtocolOption &option) {

src/Rtp/RtpProcess.h

@@ -64,11 +64,8 @@ public:
     uint16_t get_peer_port() override;
     std::string getIdentifier() const override;
 
-    int getTotalReaderCount();
-    void setListener(const std::weak_ptr<MediaSourceEvent> &listener);
-
     void setHelper(const std::weak_ptr<RtcpContext> help);
-    int getLossRate(MediaSource &sender, TrackType type) override;
+
 protected:
     bool inputFrame(const Frame::Ptr &frame) override;
     bool addTrack(const Track::Ptr & track) override;
@@ -80,6 +77,7 @@ protected:
     std::string getOriginUrl(MediaSource &sender) const override;
     std::shared_ptr<SockInfo> getOriginSock(MediaSource &sender) const override;
     toolkit::EventPoller::Ptr getOwnerPoller(MediaSource &sender) override;
+    int getLossRate(MediaSource &sender, TrackType type) override;
 
 private:
     void emitOnPublish();

src/Rtp/RtpSelector.cpp

@@ -131,12 +131,12 @@ RtpProcessHelper::~RtpProcessHelper() {
 
 void RtpProcessHelper::attachEvent() {
     //主要目的是close回调触发时能把对象从RtpSelector中删除
-    _process->setListener(shared_from_this());
+    _process->setDelegate(shared_from_this());
 }
 
 bool RtpProcessHelper::close(MediaSource &sender, bool force) {
     //此回调在其他线程触发
-    if (!_process || (!force && _process->getTotalReaderCount())) {
+    if (!_process || (!force && _process->totalReaderCount(sender))) {
         return false;
     }
     auto parent = _parent.lock();
@@ -148,14 +148,6 @@ bool RtpProcessHelper::close(MediaSource &sender, bool force) {
     return true;
 }
 
-int RtpProcessHelper::totalReaderCount(MediaSource &sender) {
-    return _process ? _process->getTotalReaderCount() : sender.totalReaderCount();
-}
-
-toolkit::EventPoller::Ptr RtpProcessHelper::getOwnerPoller(MediaSource &sender) {
-    return toolkit::EventPollerPool::Instance().getPoller();
-}
-
 RtpProcess::Ptr &RtpProcessHelper::getProcess() {
     return _process;
 }

src/Rtp/RtpSelector.h

@@ -32,15 +32,11 @@ public:
 protected:
     // 通知其停止推流
     bool close(MediaSource &sender,bool force) override;
-    // 观看总人数
-    int totalReaderCount(MediaSource &sender) override;
-    // 获取所属线程
-    toolkit::EventPoller::Ptr getOwnerPoller(MediaSource &sender) override;
 
 private:
-    std::weak_ptr<RtpSelector > _parent;
-    RtpProcess::Ptr _process;
     std::string _stream_id;
+    RtpProcess::Ptr _process;
+    std::weak_ptr<RtpSelector > _parent;
 };
 
 class RtpSelector : public std::enable_shared_from_this<RtpSelector>{

src/Rtp/RtpSession.cpp

@@ -101,7 +101,7 @@ void RtpSession::onRtpPacket(const char *data, size_t len) {
         }
         //tcp情况下，一个tcp链接只可能是一路流，不需要通过多个ssrc来区分，所以不需要频繁getProcess
         _process = RtpSelector::Instance().getProcess(_stream_id, true);
-        _process->setListener(dynamic_pointer_cast<RtpSession>(shared_from_this()));
+        _process->setDelegate(dynamic_pointer_cast<RtpSession>(shared_from_this()));
     }
     try {
         uint32_t rtp_ssrc = 0;
@@ -126,7 +126,7 @@ void RtpSession::onRtpPacket(const char *data, size_t len) {
 
 bool RtpSession::close(MediaSource &sender, bool force) {
     //此回调在其他线程触发
-    if(!_process || (!force && _process->getTotalReaderCount())){
+    if(!_process || (!force && static_pointer_cast<MediaSourceEvent>(_process)->totalReaderCount(sender))){
         return false;
     }
     string err = StrPrinter << "close media:" << sender.getSchema() << "/" << sender.getVhost() << "/" << sender.getApp() << "/" << sender.getId() << " " << force;
@@ -134,15 +134,6 @@ bool RtpSession::close(MediaSource &sender, bool force) {
     return true;
 }
 
-int RtpSession::totalReaderCount(MediaSource &sender) {
-    //此回调在其他线程触发
-    return _process ? _process->getTotalReaderCount() : sender.totalReaderCount();
-}
-
-toolkit::EventPoller::Ptr RtpSession::getOwnerPoller(MediaSource &sender) {
-    return getPoller();
-}
-
 static const char *findSSRC(const char *data, ssize_t len, uint32_t ssrc) {
     //rtp前面必须预留两个字节的长度字段
     for (ssize_t i = 2; i <= len - 4; ++i) {

src/Rtp/RtpSession.h

@@ -36,13 +36,9 @@ public:
 protected:
     // 通知其停止推流
     bool close(MediaSource &sender,bool force) override;
-    // 观看总人数
-    int totalReaderCount(MediaSource &sender) override;
-    // 获取所属线程
-    toolkit::EventPoller::Ptr getOwnerPoller(MediaSource &sender) override;
     // 收到rtp回调
     void onRtpPacket(const char *data, size_t len) override;
-
+    // RtpSplitter override
     const char *onSearchPacketTail(const char *data, size_t len) override;
 
 private: