优化时间戳修正逻辑

src/Rtmp/FlvMuxer.cpp

@@ -76,8 +76,6 @@ void FlvMuxer::start(const EventPoller::Ptr &poller,const RtmpMediaSource::Ptr &
 }
 
 void FlvMuxer::onWriteFlvHeader(const RtmpMediaSource::Ptr &mediaSrc) {
-    CLEAR_ARR(_aui32FirstStamp);
-
     //发送flv文件头
     char flv_file_header[] = "FLV\x1\x5\x0\x0\x0\x9"; // have audio and have video
     bool is_have_audio = false,is_have_video = false;
@@ -158,20 +156,9 @@ void FlvMuxer::onWriteFlvTag(uint8_t ui8Type, const Buffer::Ptr &buffer, uint32_
 }
 
 void FlvMuxer::onWriteRtmp(const RtmpPacket::Ptr &pkt) {
-    auto modifiedStamp = pkt->timeStamp;
-    auto &firstStamp = _aui32FirstStamp[pkt->typeId % 2];
-    if(!firstStamp){
-        firstStamp = modifiedStamp;
-    }
-    if(modifiedStamp >= firstStamp){
-        //计算时间戳增量
-        modifiedStamp -= firstStamp;
-    }else{
-        //发生回环，重新计算时间戳增量
-        CLEAR_ARR(_aui32FirstStamp);
-        modifiedStamp = 0;
-    }
-    onWriteFlvTag(pkt, modifiedStamp);
+    int64_t dts_out;
+    _stamp[pkt->typeId % 2].revise(pkt->timeStamp, 0, dts_out, dts_out);
+    onWriteFlvTag(pkt, dts_out);
 }
 
 void FlvMuxer::stop() {

src/Rtmp/FlvMuxer.h

@@ -30,6 +30,7 @@
 #include "Rtmp/Rtmp.h"
 #include "Rtmp/RtmpMediaSource.h"
 #include "Network/Socket.h"
+#include "MediaFile/Stamp.h"
 using namespace toolkit;
 
 namespace mediakit {
@@ -52,7 +53,8 @@ private:
     void onWriteFlvTag(uint8_t ui8Type, const Buffer::Ptr &buffer, uint32_t ui32TimeStamp);
 private:
     RtmpMediaSource::RingType::RingReader::Ptr _ring_reader;
-    uint32_t _aui32FirstStamp[2] = {0};
+    //时间戳修整器
+    Stamp _stamp[2];
 
 };