修改Rtmp播放结果回调事件触发机制，防止秒开失败以及获取Track失败

src/Rtmp/RtmpPlayer.cpp

@@ -321,7 +321,6 @@ void RtmpPlayer::onCmd_onMetaData(AMFDecoder &dec) {
 	if(!onCheckMeta(val)){
 		throw std::runtime_error("onCheckMeta faied");
 	}
-	onPlayResult_l(SockException(Err_success,"play rtmp success"));
 }
 
 void RtmpPlayer::onStreamDry(uint32_t ui32StreamId) {
@@ -329,6 +328,25 @@ void RtmpPlayer::onStreamDry(uint32_t ui32StreamId) {
 	onPlayResult_l(SockException(Err_other,"rtmp stream dry"));
 }
 
+void RtmpPlayer::onMediaData_l(const RtmpPacket::Ptr &packet) {
+	_mediaTicker.resetTime();
+	if(!_pPlayTimer){
+		//已经触发了onPlayResult事件，直接触发onMediaData事件
+		onMediaData(packet);
+		return;
+	}
+
+	if(packet->isCfgFrame()){
+		//输入配置帧以便初始化完成各个track
+		onMediaData(packet);
+	}else{
+		//先触发onPlayResult事件，这个时候解码器才能初始化完毕
+		onPlayResult_l(SockException(Err_success,"play rtmp success"));
+		//触发onPlayResult事件后，再把帧数据输入到解码器
+		onMediaData(packet);
+	}
+}
+
 
 void RtmpPlayer::onRtmpChunk(RtmpPacket &chunkData) {
 	switch (chunkData.typeId) {
@@ -351,6 +369,7 @@ void RtmpPlayer::onRtmpChunk(RtmpPacket &chunkData) {
 		case MSG_VIDEO: {
             auto idx = chunkData.typeId%2;
             if (_aNowStampTicker[idx].elapsedTime() > 500) {
+				//计算播放进度时间轴用
                 _aiNowStamp[idx] = chunkData.timeStamp;
             }
 			onMediaData_l(std::make_shared<RtmpPacket>(std::move(chunkData)));

src/Rtmp/RtmpPlayer.h

@@ -60,11 +60,7 @@ protected:
 	uint32_t getProgressMilliSecond() const;
 	void seekToMilliSecond(uint32_t ms);
 protected:
-	void onMediaData_l(const RtmpPacket::Ptr &chunkData) {
-		_mediaTicker.resetTime();
-		onMediaData(chunkData);
-	}
-
+	void onMediaData_l(const RtmpPacket::Ptr &chunkData);
 	void onPlayResult_l(const SockException &ex);
 
 	//for Tcpclient
@@ -97,7 +93,7 @@ protected:
 	inline void send_createStream();
 	inline void send_play();
 	inline void send_pause(bool bPause);
-
+private:
 	string _strApp;
 	string _strStream;
 	string _strTcUrl;

src/Rtmp/RtmpPlayerImp.h

@@ -58,7 +58,6 @@ public:
         seekToMilliSecond(fProgress * getDuration() * 1000);
     };
     void play(const string &strUrl) override {
-        _analysisMs = (*this)[kMaxAnalysisMS].as<int>();
         PlayerImp<RtmpPlayer,RtmpDemuxer>::play(strUrl);
     }
 private:
@@ -76,16 +75,13 @@ private:
             _pRtmpMediaSrc->onWrite(chunkData);
         }
         if(!_parser){
-    	    //这个流没有metedata，那么尝试在音视频包里面还原出相关信息
+    	    //这个流没有metedata
             _parser.reset(new RtmpDemuxer());
-            onPlayResult_l(SockException(Err_success,"play rtmp success"));
         }
         _parser->inputRtmp(chunkData);
-        checkInited(_analysisMs);
     }
 private:
     RtmpMediaSource::Ptr _pRtmpMediaSrc;
-    int _analysisMs;
 };