添加无人观看主动断开事件

src/MediaFile/MediaReader.cpp

@@ -166,11 +166,21 @@ void MediaReader::startReadMP4() {
 	 seek(ui32Stamp);
 	 return true;
 }
-bool MediaReader::close(){
+bool MediaReader::close(bool force){
+    if(!force && _mediaMuxer->readerCount() != 0 ){
+        return false;
+    }
 	_timer.reset();
     return true;
 }
 
+void MediaReader::onNoneReader(MediaSource &sender) {
+    if(_mediaMuxer->readerCount() != 0){
+        return;
+    }
+    MediaSourceEvent::onNoneReader(sender);
+}
+
 bool MediaReader::readSample(int iTimeInc,bool justSeekSyncFrame) {
 	TimeTicker();
 	lock_guard<recursive_mutex> lck(_mtx);

src/MediaFile/MediaReader.h

@@ -68,7 +68,7 @@ public:
 	 * 关闭MediaReader的流化进程，会触发该对象放弃自持有
 	 * @return
 	 */
-	bool close() override;
+	bool close(bool force) override;
 
 	/**
 	 * 自动生成MediaReader对象然后查找相关的MediaSource对象
@@ -86,9 +86,11 @@ public:
 											  const string &strId,
 											  const string &filePath = "",
 											  bool checkApp = true);
-#ifdef ENABLE_MP4V2
+
 private:
-	void seek(uint32_t iSeekTime,bool bReStart = true);
+    void onNoneReader(MediaSource &sender) override;
+#ifdef ENABLE_MP4V2
+    void seek(uint32_t iSeekTime,bool bReStart = true);
 	inline void setSeekTime(uint32_t iSeekTime);
 	inline uint32_t getVideoCurrentTime();
 	inline MP4SampleId getVideoSampleId(int iTimeInc = 0);