添加rtp 调试接口

src/Rtsp/Rtsp.cpp

@@ -521,6 +521,10 @@ RtpHeader* RtpPacket::getHeader(){
     return (RtpHeader*)(data() + RtpPacket::kRtpTcpHeaderSize);
 }
 
+string RtpPacket::dumpString() const{
+    return ((RtpPacket *) this)->getHeader()->dumpString(size() - RtpPacket::kRtpTcpHeaderSize);
+}
+
 uint16_t RtpPacket::getSeq(){
     return ntohs(getHeader()->seq);
 }

src/Rtsp/Rtsp.h

@@ -150,7 +150,11 @@ public:
         kRtpTcpHeaderSize = 4
     };
 
+    //获取rtp头
     RtpHeader* getHeader();
+    //打印调试信息
+    string dumpString() const;
+
     //主机字节序的seq
     uint16_t getSeq();
     //主机字节序的时间戳，已经转换为毫秒