Hi Ross,
With your email, I found how to do it
Thank you !
Ricardo
On Wed, Feb 29, 2012 at 4:00 PM, Ross Finlayson <finlay...@live555.com>wrote:
> I would like to know what is the best way to get some of the RTCP info
> when using UDP in the server side.
>
> Server side : we are using BasicUDPSource and StreamReplicator to send
> replicas towards the client apps.
>
>
> So, is your server's input data RTP/UDP, or raw-UDP? I.e., is your
> intention to:
> 1/ Make a direct copy of incoming RTP/UDP packets into outgoing RTP/UDP
> packets (i.e., keeping the RTP headers exactly the same), or
> 2/ Copy data from incoming raw-UDP packets (which are *not* RTP packets)
> into outgoing RTP/UDP packets?
>
> If you're trying to do 1/ (a simple 'UDP relay'), then you should also be
> copying the RTCP stream (that comes from the same source as the input RTP
> stream). Note that this RTCP stream will (normally) be using the RTP
> stream's port number +1; and you should do the same for the output
> ('relayed') RTCP packets. And, ideally, you should also 'relay' RTCP
> packets from the receiver back to the original source (i.e., also set up a
> 'relay' for RTCP packets that come in the reverse direction).
>
> But if you're trying to do 2/ (a 'raw-UDP-to-RTP relay'), then your server
> should be using an appropriate "RTPSink" subclass, *not* a "BasicUDPSink".
> And then you should also be creating a "RTCPInstance", tied to this
> "RTPSink". And once again, the output "RTPSink" should use an
> even-numbered port, and the corresponding "RTCPInstance" should use that
> port number +1 (i.e., odd-numbered).
>
>
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