Add a packet helper function to copy properties without data content

2 files changed, 19 insertions, 0 deletions

diff --git a/demuxer/Demuxers/Packet.cpp b/demuxer/Demuxers/Packet.cpp
index aec2704e..a404a631 100644
--- a/demuxer/Demuxers/Packet.cpp
+++ b/demuxer/Demuxers/Packet.cpp
@@ -98,3 +98,20 @@ int Packet::RemoveHead(int count)
   m_Packet->size -= (int)count;
   return 0;
 }
+
+bool Packet::CopyProperties(const Packet *src)
+{
+  StreamId = src->StreamId;
+  bDiscontinuity = src->bDiscontinuity;
+  bSyncPoint = src->bSyncPoint;
+  bPosition = src->bPosition;
+  rtStart = src->rtStart;
+  rtStop = src->rtStop;
+  rtPTS = src->rtPTS;
+  rtDTS = src->rtDTS;
+  if (src->pmt)
+    pmt = CreateMediaType(src->pmt);
+  dwFlags = src->dwFlags;
+
+  return true;
+}
diff --git a/demuxer/Demuxers/Packet.h b/demuxer/Demuxers/Packet.h
index b9a66840..76325266 100644
--- a/demuxer/Demuxers/Packet.h
+++ b/demuxer/Demuxers/Packet.h
@@ -44,6 +44,8 @@ public:
   // Remove count bytes from position index
   int RemoveHead(int count);
 
+  bool CopyProperties(const Packet *src);
+
 public:
   DWORD StreamId         = 0;
   BOOL  bDiscontinuity   = FALSE;