Fix out of order check

A sequence like 66533 -> 0 -> 65534 would have been detected as in-order as 65534 - 0 > 0.
pion · Nov 1, 2023 · 7d6c986 · 7d6c986
1 parent 0440a7d
commit 7d6c986
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/pkg/report/sender_stream.go b/pkg/report/sender_stream.go
@@ -39,7 +39,8 @@ func (stream *senderStream) processRTP(now time.Time, header *rtp.Header, payloa
 	stream.m.Lock()
 	defer stream.m.Unlock()
 
-	if stream.useLatestPacket || stream.packetCount == 0 || int16(header.SequenceNumber-stream.lastRTPSN) > 0 {
+	diff := header.SequenceNumber - stream.lastRTPSN
+	if stream.useLatestPacket || stream.packetCount == 0 || (diff > 0 && diff < (1<<15)) {
 		// Told to consider every packet, or this was the first packet, or it's in-order
 		stream.lastRTPSN = header.SequenceNumber
 		stream.lastRTPTimeRTP = header.Timestamp