完善获取媒体读取器个数方法

ZLToolKit @ 079fae27

-Subproject commit 8f656dfdff2d7c83583a609212716ae8db921fbf
+Subproject commit 079fae2798687300ff55cfd53b6f80010abe6b81

src/Common/MediaSource.h

@@ -54,10 +54,13 @@ public:
         //拖动进度条
         return false;
     }
+
     virtual bool close() {
         //通知其停止推流
         return false;
     }
+
+    virtual void onReaderChanged(const EventPoller::Ptr &poller,int size,bool add_flag){}
 };
 class MediaInfo
 {
@@ -166,6 +169,7 @@ public:
         }
     }
 
+    virtual int readerCount() = 0;
 protected:
     void regist() ;
     bool unregist() ;

src/Rtmp/RtmpMediaSource.h

@@ -64,6 +64,10 @@ public:
 		return _pRing;
 	}
 
+	int readerCount() override {
+        return _pRing->readerCount();
+	}
+
 	const AMFValue &getMetaData() const {
 		lock_guard<recursive_mutex> lock(_mtxMap);
 		return _metadata;
@@ -87,7 +91,7 @@ public:
 			_mapCfgFrame[pkt->typeId] = pkt;
 		} else{
 			if(!_bRegisted){
-                MediaSource::regist();
+                regist();
                 _bRegisted = true;
 			}
 			_mapStamp[pkt->typeId] = pkt->timeStamp;

src/Rtmp/RtmpToRtspMediaSource.h

@@ -89,6 +89,10 @@ public:
             _rtspMuxer->setListener(listener);
         }
     }
+
+    int readerCount() override {
+        return RtmpMediaSource::readerCount() + _rtspMuxer->readerCount();
+    }
 private:
 	RtmpDemuxer::Ptr _rtmpDemuxer;
 	RtspMediaSourceMuxer::Ptr _rtspMuxer;

src/Rtsp/RtspMediaSource.h

@@ -65,7 +65,12 @@ public:
 		//获取媒体源的rtp环形缓冲
 		return _pRing;
 	}
-	const string& getSdp() const {
+
+    int readerCount() override {
+        return _pRing->readerCount();
+	}
+
+    const string& getSdp() const {
 		//获取该源的媒体描述信息
 		return _strSdp;
 	}

src/Rtsp/RtspSession.cpp

@@ -716,7 +716,7 @@ bool RtspSession::handleReq_Play(const Parser &parser) {
 			auto iStartTime = 1000 * atof(strStart.data());
 			InfoL << "rtsp seekTo(ms):" << iStartTime;
 			useBuf = !pMediaSrc->seekTo(iStartTime);
-		}else if(pMediaSrc->getRing()->readerCount() == 0){
+		}else if(pMediaSrc->readerCount() == 0){
 			//第一个消费者
 			pMediaSrc->seekTo(0);
 		}

src/Rtsp/RtspToRtmpMediaSource.h

@@ -85,6 +85,9 @@ public:
             _rtmpMuxer->setListener(listener);
         }
     }
+    int readerCount() override {
+        return RtspMediaSource::readerCount() + _rtmpMuxer->readerCount();
+    }
 private:
     RtspDemuxer::Ptr _rtspDemuxer;
     RtmpMediaSourceMuxer::Ptr _rtmpMuxer;