解决rtmp过早注册的问题

src/Rtmp/RtmpMediaSource.h

@@ -72,7 +72,6 @@ public:
 					const string &stream_id,
 					int ring_size = 0) :
 			MediaSource(RTMP_SCHEMA, vhost, app, stream_id), _ring_size(ring_size) {
-		_metadata = TitleMeta().getMetadata();
 	}
 
 	virtual ~RtmpMediaSource() {}
@@ -117,6 +116,9 @@ public:
 	virtual void setMetaData(const AMFValue &metadata) {
 		lock_guard<recursive_mutex> lock(_mtx);
 		_metadata = metadata;
+		if(_ring){
+			regist();
+		}
 	}
 
 	/**
@@ -143,10 +145,9 @@ public:
 			_ring = std::make_shared<RingType>(_ring_size, std::move(lam));
 			onReaderChanged(0);
 
-			//如果输入了非config帧，
-			//那么说明不再可能获取config帧以及metadata,
-			//所以我们强制其为已注册
-			regist();
+			if(_metadata){
+				regist();
+			}
 		}
 		_track_stamps_map[pkt->typeId] = pkt->timeStamp;
 		_ring->write(pkt, pkt->isVideoKeyFrame());

src/Rtmp/RtmpPlayerImp.h

@@ -66,6 +66,7 @@ private:
         _pRtmpMediaSrc = dynamic_pointer_cast<RtmpMediaSource>(_pMediaSrc);
         if(_pRtmpMediaSrc){
             _pRtmpMediaSrc->setMetaData(val);
+            _set_meta_data = true;
         }
         _delegate.reset(new RtmpDemuxer);
         _delegate->loadMetaData(val);
@@ -73,6 +74,10 @@ private:
     }
     void onMediaData(const RtmpPacket::Ptr &chunkData) override {
     	if(_pRtmpMediaSrc){
+            if(!_set_meta_data && !chunkData->isCfgFrame()){
+                _set_meta_data = true;
+                _pRtmpMediaSrc->setMetaData(TitleMeta().getMetadata());
+            }
             _pRtmpMediaSrc->onWrite(chunkData);
         }
         if(!_delegate){
@@ -83,6 +88,7 @@ private:
     }
 private:
     RtmpMediaSource::Ptr _pRtmpMediaSrc;
+    bool _set_meta_data = false;
 };
 
 

src/Rtmp/RtmpSession.cpp

@@ -434,6 +434,7 @@ void RtmpSession::setMetaData(AMFDecoder &dec) {
     auto metadata = dec.load<AMFValue>();
 //    dumpMetadata(metadata);
     _pPublisherSrc->setMetaData(metadata);
+    _set_meta_data = true;
 }
 
 void RtmpSession::onProcessCmd(AMFDecoder &dec) {
@@ -491,6 +492,11 @@ void RtmpSession::onRtmpChunk(RtmpPacket &chunkData) {
             _stamp[chunkData.typeId % 2].revise(chunkData.timeStamp, chunkData.timeStamp, dts_out, dts_out, true);
             chunkData.timeStamp = dts_out;
         }
+
+        if(!_set_meta_data && !chunkData.isCfgFrame()){
+            _set_meta_data = true;
+            _pPublisherSrc->setMetaData(TitleMeta().getMetadata());
+        }
         _pPublisherSrc->onWrite(std::make_shared<RtmpPacket>(std::move(chunkData)));
 	}
 		break;

src/Rtmp/RtmpSession.h

@@ -95,6 +95,7 @@ private:
 	std::string _strTcUrl;
 	MediaInfo _mediaInfo;
 	double _dNowReqID = 0;
+	bool _set_meta_data = false;
 	Ticker _ticker;//数据接收时间
 	RingBuffer<RtmpPacket::Ptr>::RingReader::Ptr _pRingReader;
 	std::shared_ptr<RtmpMediaSourceImp> _pPublisherSrc;