完善获取丢包率pull request; 新增MediaSource::getOwnerPoller接口

src/Common/MediaSource.cpp

-/*
+/*
  * Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
  *
  * This file is part of ZLMediaKit(https://github.com/xia-chu/ZLMediaKit).
@@ -221,6 +221,14 @@ int MediaSource::getLossRate(mediakit::TrackType type) {
     return listener->getLossRate(*this, type);
 }
 
+toolkit::EventPoller::Ptr MediaSource::getOwnerPoller() {
+    auto listener = _listener.lock();
+    if (!listener) {
+        return nullptr;
+    }
+    return listener->getOwnerPoller(*this);
+}
+
 void MediaSource::onReaderChanged(int size) {
     auto listener = _listener.lock();
     if (listener) {
@@ -706,6 +714,15 @@ int MediaSourceEventInterceptor::getLossRate(MediaSource &sender, TrackType type
     return -1; //异常返回-1
 }
 
+toolkit::EventPoller::Ptr MediaSourceEventInterceptor::getOwnerPoller(MediaSource &sender) {
+    auto listener = _listener.lock();
+    if (listener) {
+        return listener->getOwnerPoller(sender);
+    }
+    return nullptr;
+}
+
+
 bool MediaSourceEventInterceptor::setupRecord(MediaSource &sender, Recorder::type type, bool start, const string &custom_path, size_t max_second) {
     auto listener = _listener.lock();
     if (!listener) {

src/Common/MediaSource.h

-/*
+/*
  * Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
  *
  * This file is part of ZLMediaKit(https://github.com/xia-chu/ZLMediaKit).
@@ -77,8 +77,10 @@ public:
     virtual void onReaderChanged(MediaSource &sender, int size);
     //流注册或注销事件
     virtual void onRegist(MediaSource &sender, bool regist) {};
-
-    virtual int getLossRate(MediaSource &sender, TrackType type) {return -1;};
+    // 获取丢包率
+    virtual int getLossRate(MediaSource &sender, TrackType type) { return -1; }
+    // 获取所在线程
+    virtual toolkit::EventPoller::Ptr getOwnerPoller(MediaSource &sender) { return nullptr; }
 
     ////////////////////////仅供MultiMediaSourceMuxer对象继承////////////////////////
     // 开启或关闭录制
@@ -145,6 +147,8 @@ public:
     void startSendRtp(MediaSource &sender, const SendRtpArgs &args, const std::function<void(uint16_t, const toolkit::SockException &)> cb) override;
     bool stopSendRtp(MediaSource &sender, const std::string &ssrc) override;
     int getLossRate(MediaSource &sender, TrackType type) override;
+    toolkit::EventPoller::Ptr getOwnerPoller(MediaSource &sender) override;
+
 private:
     std::weak_ptr<MediaSourceEvent> _listener;
 };
@@ -297,6 +301,10 @@ public:
     void startSendRtp(const MediaSourceEvent::SendRtpArgs &args, const std::function<void(uint16_t, const toolkit::SockException &)> cb);
     // 停止发送ps-rtp
     bool stopSendRtp(const std::string &ssrc);
+    // 获取丢包率
+    int getLossRate(mediakit::TrackType type);
+    // 获取所在线程
+    toolkit::EventPoller::Ptr getOwnerPoller();
 
     ////////////////static方法，查找或生成MediaSource////////////////
 

webrtc/WebRtcPusher.cpp

@@ -150,4 +150,8 @@ void WebRtcPusher::onRtcConfigure(RtcConfigure &configure) const {
 
 int WebRtcPusher::getLossRate(MediaSource &sender,mediakit::TrackType type){
     return WebRtcTransportImp::getLossRate(type);
-} 
\ No newline at end of file
+}
+
+toolkit::EventPoller::Ptr WebRtcPusher::getOwnerPoller(mediakit::MediaSource &sender) {
+    return getPoller();
+}
\ No newline at end of file

webrtc/WebRtcPusher.h

@@ -39,8 +39,10 @@ protected:
     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;
-
+    // 获取丢包率
     int getLossRate(mediakit::MediaSource &sender,mediakit::TrackType type) override;
+    // 获取MediaSource归属线程
+    toolkit::EventPoller::Ptr getOwnerPoller(mediakit::MediaSource &sender) override;
 
 private:
     WebRtcPusher(const EventPoller::Ptr &poller, const mediakit::RtspMediaSourceImp::Ptr &src,

webrtc/WebRtcTransport.cpp

@@ -612,10 +612,10 @@ public:
     }
 
     int getLossRate() {
-        if (!_rtcp_context.getExpectedPacketsInterval()) //_rtcp_context.getExpectedPacketsInterval()取值总为零？
-		{
-			 return 0;		
-		}			
+        if (!_rtcp_context.getExpectedPacketsInterval()) {
+            //_rtcp_context.getExpectedPacketsInterval()取值总为零？
+            return 0;
+        }
         return _rtcp_context.geLostInterval() * 100 / _rtcp_context.getExpectedPacketsInterval();
     }
 
@@ -659,19 +659,18 @@ std::shared_ptr<RtpChannel> MediaTrack::getRtpChannel(uint32_t ssrc) const{
     return it_chn->second;
 }
 
-int WebRtcTransportImp::getLossRate(mediakit::TrackType type){
-    for(auto it : _ssrc_to_track){
-       auto ssrc = it.first;
-       auto track = it.second;
-       auto rtp_chn = track->getRtpChannel(ssrc);
-       if(rtp_chn){
-            InfoL << "-----------接收丢包率,ssrc------------- :" << ssrc << ",loss rate(%):" << rtp_chn->getLossRate() ;
-            if (track->media && type==track->media->type){
+int WebRtcTransportImp::getLossRate(mediakit::TrackType type) {
+    for (auto &pr : _ssrc_to_track) {
+        auto ssrc = pr.first;
+        auto &track = pr.second;
+        auto rtp_chn = track->getRtpChannel(ssrc);
+        if (rtp_chn) {
+            if (track->media && type == track->media->type) {
                 return rtp_chn->getLossRate();
             }
-       }
+        }
     }
-     return -1;
+    return -1;
 }
 
 void WebRtcTransportImp::onRtcp(const char *buf, size_t len) {