修复flv PreviousTagSize相关问题

src/Http/HttpSession.cpp

@@ -691,14 +691,6 @@ void HttpSession::onWrite(const Buffer::Ptr &buffer) {
 	send(buffer);
 }
 
-void HttpSession::onWrite(const char *data, int len) {
-	BufferRaw::Ptr buffer(new BufferRaw);
-	buffer->assign(data,len);
-	_ticker.resetTime();
-	_ui64TotalBytes += buffer->size();
-	send(buffer);
-}
-
 void HttpSession::onDetach() {
 	shutdown();
 }

src/Http/HttpSession.h

@@ -62,7 +62,6 @@ public:
 protected:
 	//FlvMuxer override
 	void onWrite(const Buffer::Ptr &data) override ;
-	void onWrite(const char *data,int len) override;
 	void onDetach() override;
 	std::shared_ptr<FlvMuxer> getSharedPtr() override;
 	//HttpRequestSplitter override

src/RtmpMuxer/FlvMuxer.cpp

@@ -74,7 +74,6 @@ void FlvMuxer::start(const EventPoller::Ptr &poller,const RtmpMediaSource::Ptr &
 }
 
 void FlvMuxer::onWriteFlvHeader(const RtmpMediaSource::Ptr &mediaSrc) {
-    _previousTagSize = 0;
     CLEAR_ARR(_aui32FirstStamp);
 
     //发送flv文件头
@@ -101,11 +100,17 @@ void FlvMuxer::onWriteFlvHeader(const RtmpMediaSource::Ptr &mediaSrc) {
     }
 
     //flv header
-    onWrite(flv_file_header, sizeof(flv_file_header) - 1);
+    onWrite(std::make_shared<BufferRaw>(flv_file_header, sizeof(flv_file_header) - 1));
+
+    auto size = htonl(0);
+    //PreviousTagSize0 Always 0
+    onWrite(std::make_shared<BufferRaw>((char *)&size,4));
+
     //metadata
     AMFEncoder invoke;
     invoke << "onMetaData" << mediaSrc->getMetaData();
-    onWriteFlvTag(MSG_DATA, invoke.data(), 0);
+    onWriteFlvTag(MSG_DATA, std::make_shared<BufferString>(invoke.data()), 0);
+
     //config frame
     mediaSrc->getConfigFrame([&](const RtmpPacket::Ptr &pkt){
         onWriteRtmp(pkt);
@@ -132,29 +137,22 @@ public:
 #endif // defined(_WIN32)
 
 void FlvMuxer::onWriteFlvTag(const RtmpPacket::Ptr &pkt, uint32_t ui32TimeStamp) {
-    auto size = htonl(_previousTagSize);
-    onWrite((char *)&size,4);//onWrite PreviousTagSize
-    RtmpTagHeader header;
-    header.type = pkt->typeId;
-    set_be24(header.data_size, pkt->strBuf.size());
-    header.timestamp_ex = (uint8_t) ((ui32TimeStamp >> 24) & 0xff);
-    set_be24(header.timestamp,ui32TimeStamp & 0xFFFFFF);
-    onWrite((char *)&header, sizeof(header));//onWrite tag header
-    onWrite(pkt);//onWrite tag data
-    _previousTagSize += (pkt->strBuf.size() + sizeof(header));
+    onWriteFlvTag(pkt->typeId,pkt,ui32TimeStamp);
 }
 
-void FlvMuxer::onWriteFlvTag(uint8_t ui8Type, const std::string &strBuf, uint32_t ui32TimeStamp) {
-    auto size = htonl(_previousTagSize);
-    onWrite((char *)&size,4);//onWrite PreviousTagSize
+void FlvMuxer::onWriteFlvTag(uint8_t ui8Type, const Buffer::Ptr &buffer, uint32_t ui32TimeStamp) {
     RtmpTagHeader header;
     header.type = ui8Type;
-    set_be24(header.data_size, strBuf.size());
+    set_be24(header.data_size, buffer->size());
     header.timestamp_ex = (uint8_t) ((ui32TimeStamp >> 24) & 0xff);
     set_be24(header.timestamp,ui32TimeStamp & 0xFFFFFF);
-    onWrite((char *)&header, sizeof(header));//onWrite tag header
-    onWrite(std::make_shared<BufferString>(strBuf));//onWrite tag data
-    _previousTagSize += (strBuf.size() + sizeof(header));
+    //tag header
+    onWrite(std::make_shared<BufferRaw>((char *)&header, sizeof(header)));
+    //tag data
+    onWrite(buffer);
+    auto size = htonl((buffer->size() + sizeof(header)));
+    //PreviousTagSize
+    onWrite(std::make_shared<BufferRaw>((char *)&size,4));
 }
 
 void FlvMuxer::onWriteRtmp(const RtmpPacket::Ptr &pkt) {
@@ -218,13 +216,6 @@ void FlvRecorder::onWrite(const Buffer::Ptr &data) {
     }
 }
 
-void FlvRecorder::onWrite(const char *data, int len) {
-    lock_guard<recursive_mutex> lck(_file_mtx);
-    if(_file){
-        fwrite(data,len,1,_file.get());
-    }
-}
-
 void FlvRecorder::onDetach() {
     lock_guard<recursive_mutex> lck(_file_mtx);
     _file.reset();

src/RtmpMuxer/FlvMuxer.h

@@ -43,18 +43,16 @@ public:
 protected:
     void start(const EventPoller::Ptr &poller,const RtmpMediaSource::Ptr &media);
     virtual void onWrite(const Buffer::Ptr &data) = 0;
-    virtual void onWrite(const char *data,int len) = 0;
     virtual void onDetach() = 0;
     virtual std::shared_ptr<FlvMuxer> getSharedPtr() = 0;
 private:
     void onWriteFlvHeader(const RtmpMediaSource::Ptr &media);
     void onWriteRtmp(const RtmpPacket::Ptr &pkt);
     void onWriteFlvTag(const RtmpPacket::Ptr &pkt, uint32_t ui32TimeStamp);
-    void onWriteFlvTag(uint8_t ui8Type, const std::string &strBuf, uint32_t ui32TimeStamp);
+    void onWriteFlvTag(uint8_t ui8Type, const Buffer::Ptr &buffer, uint32_t ui32TimeStamp);
 private:
     RtmpMediaSource::RingType::RingReader::Ptr _ring_reader;
     uint32_t _aui32FirstStamp[2] = {0};
-    uint32_t _previousTagSize = 0;
 
 };
 
@@ -67,7 +65,6 @@ public:
     void startRecord(const EventPoller::Ptr &poller,const RtmpMediaSource::Ptr &media,const string &file_path);
 private:
     virtual void onWrite(const Buffer::Ptr &data) override ;
-    virtual void onWrite(const char *data,int len) override;
     virtual void onDetach() override;
     virtual std::shared_ptr<FlvMuxer> getSharedPtr() override;
 private: