[Live-devel] Help with RTP/RTCP relay implementation

[Ross Finlayson]

> I am creating an RTP/UDP relay that encrypts raw MPEG2TS streams. On the incoming side I used an RTPSource plus an RTCPInstance in client mode and on the outgoing side I used an RTPSink and an RTCPInstance in server mode. 
> 
> The encrypting function is implemented in a subclass of framed filter which I use as a source to the RTPSink. I have tested the encryption implementation using a FileSink and it seems to be working fine.
> 
> I have been using VLC to send the RTP stream to the relay but in the client the same video as the source is seen without encryption.
> 
> I guess that the RTCP is being relayed but somehow the RTP is going straight from the source to the client. Is that a possible explanation? Am I missing something in my implementation?

It's hard to say, but make sure that:
1/ You use separate "groupsock" objects for receiving and sending, and
2/ You use separate port numbers for receiving and sending.


Ross Finlayson
Live Networks, Inc.
http://www.live555.com/

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