> My OS is LINUX 2.6.37, I send h264 and MJPEG data to VLC or QUICKTIME by > live555, sometimes I can see live555 RTP sequence is duplicate, I capture > some packets by tool WIRESHARK , these packets is as below
These are almost certainly duplicate packets - not distinct packets that happen to have the same RTP sequence number (because the LIVE555 RTP transmitting code always increments the sequence number each time it sends a packet). This packet duplication could be happing somewhere on your network (e.g., by a router), or perhaps in the sender or receiver's operating system. But it's definitely not happening in our code. In any case, this shouldn't be a problem, because the RTP receiver will check the sequence numbers, and automatically discard any duplicate packets. Ditto if packets get reordered on the network (which can also happen). That's the purpose of the RTP sequence number. Ross Finlayson Live Networks, Inc. http://www.live555.com/
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