diff --git a/src/Rtmp/RtmpMediaSource.h b/src/Rtmp/RtmpMediaSource.h
index e0f80be0..f842211f 100644
--- a/src/Rtmp/RtmpMediaSource.h
+++ b/src/Rtmp/RtmpMediaSource.h
@@ -53,7 +53,7 @@ public:
 	typedef std::shared_ptr<RtmpMediaSource> Ptr;
 	typedef RingBuffer<RtmpPacket::Ptr> RingType;
 
-	RtmpMediaSource(const string &vhost,const string &strApp, const string &strId,int ringSize = 32) :
+	RtmpMediaSource(const string &vhost,const string &strApp, const string &strId,int ringSize = 0) :
 			MediaSource(RTMP_SCHEMA,vhost,strApp,strId),
 			_pRing(new RingBuffer<RtmpPacket::Ptr>(ringSize)) {
 	}
diff --git a/src/Rtmp/RtmpToRtspMediaSource.h b/src/Rtmp/RtmpToRtspMediaSource.h
index f4ad7d98..d0b8d4ea 100644
--- a/src/Rtmp/RtmpToRtspMediaSource.h
+++ b/src/Rtmp/RtmpToRtspMediaSource.h
@@ -54,7 +54,7 @@ public:
                           const string &id,
                           bool bEnableHls = true,
                           bool bEnableMp4 = false,
-						  int ringSize = 32):RtmpMediaSource(vhost, app, id,ringSize){
+						  int ringSize = 0):RtmpMediaSource(vhost, app, id,ringSize){
 		_recorder = std::make_shared<MediaRecorder>(vhost, app, id, bEnableHls, bEnableMp4);
 	}
 	virtual ~RtmpToRtspMediaSource(){}
diff --git a/src/Rtsp/RtspMediaSource.h b/src/Rtsp/RtspMediaSource.h
index 58a698a5..93f3460d 100644
--- a/src/Rtsp/RtspMediaSource.h
+++ b/src/Rtsp/RtspMediaSource.h
@@ -55,7 +55,7 @@ public:
 	typedef std::shared_ptr<RtspMediaSource> Ptr;
 	typedef RingBuffer<RtpPacket::Ptr> RingType;
 
-	RtspMediaSource(const string &strVhost,const string &strApp, const string &strId,int ringSize = 32) :
+	RtspMediaSource(const string &strVhost,const string &strApp, const string &strId,int ringSize = 0) :
 			MediaSource(RTSP_SCHEMA,strVhost,strApp,strId),
 			_pRing(new RingBuffer<RtpPacket::Ptr>(ringSize)) {
 	}
diff --git a/src/Rtsp/RtspToRtmpMediaSource.h b/src/Rtsp/RtspToRtmpMediaSource.h
index 7eb1cde3..ed55ccb0 100644
--- a/src/Rtsp/RtspToRtmpMediaSource.h
+++ b/src/Rtsp/RtspToRtmpMediaSource.h
@@ -47,7 +47,7 @@ public:
                           const string &id,
                           bool bEnableHls = true,
                           bool bEnableMp4 = false,
-                          int ringSize = 32) : RtspMediaSource(vhost, app, id,ringSize) {
+                          int ringSize = 0) : RtspMediaSource(vhost, app, id,ringSize) {
         _recorder = std::make_shared<MediaRecorder>(vhost, app, id, bEnableHls, bEnableMp4);
     }