添加是否添加静音音频选项

src/Common/config.cpp

@@ -77,12 +77,15 @@ const string kStreamNoneReaderDelayMS = GENERAL_FIELD"streamNoneReaderDelayMS";
 const string kMaxStreamWaitTimeMS = GENERAL_FIELD"maxStreamWaitMS";
 const string kEnableVhost = GENERAL_FIELD"enableVhost";
 const string kUltraLowDelay = GENERAL_FIELD"ultraLowDelay";
+const string kAddMuteAudio = GENERAL_FIELD"addMuteAudio";
+
 onceToken token([](){
     mINI::Instance()[kFlowThreshold] = 1024;
     mINI::Instance()[kStreamNoneReaderDelayMS] = 5 * 1000;
     mINI::Instance()[kMaxStreamWaitTimeMS] = 5 * 1000;
     mINI::Instance()[kEnableVhost] = 1;
 	mINI::Instance()[kUltraLowDelay] = 1;
+	mINI::Instance()[kAddMuteAudio] = 1;
 },nullptr);
 
 }//namespace General

src/Common/config.h

@@ -177,6 +177,8 @@ extern const string kMaxStreamWaitTimeMS;
 extern const string kEnableVhost;
 //超低延时模式，默认打开，打开后会降低延时但是转发性能会稍差
 extern const string kUltraLowDelay;
+//拉流代理时是否添加静音音频
+extern const string kAddMuteAudio;
 }//namespace General
 
 

src/Player/PlayerProxy.cpp

@@ -244,13 +244,16 @@ void PlayerProxy::onPlaySuccess() {
 		videoTrack->addDelegate(_mediaMuxer);
 	}
 
+	//是否添加静音音频
+	GET_CONFIG(bool,addMuteAudio,General::kAddMuteAudio);
+
 	auto audioTrack = getTrack(TrackAudio, false);
 	if(audioTrack){
 		//添加音频
 		_mediaMuxer->addTrack(audioTrack);
 		//音频数据写入_mediaMuxer
         audioTrack->addDelegate(_mediaMuxer);
-    }else if(videoTrack){
+    }else if(addMuteAudio && videoTrack){
 		//没有音频信息，产生一个静音音频
 		MuteAudioMaker::Ptr audioMaker = std::make_shared<MuteAudioMaker>();
 		//videoTrack把数据写入MuteAudioMaker