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Fixed bug not setting initial seqnum for rtp media stream. #1725

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Merged
sipsorcery merged 1 commit into from
Jun 12, 2026
+7 −0
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Fixed bug not setting initial seqnum for rtp media stream. #1725

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7 changes: 7 additions & 0 deletions src/SIPSorcery/net/RTP/Streams/MediaStream.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -818,6 +818,13 @@ public void OnReceiveRTPPacket(RTPHeader hdr, int localPort, IPEndPoint remoteEn
}
else
{
if (RemoteTrack != null)
{
// Must be updated for LogIfWrongSeqNumber to function: with the initial
// value of 0 the sequence discontinuity check never fires, so the
// unbuffered path previously never reported out of order packets.
RemoteTrack.LastRemoteSeqNum = rtpPacket.Header.SequenceNumber;
}
ProcessRtpPacket(remoteEndPoint, rtpPacket, format.Value);
}

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