Understanding rtpbin example

[Sebastian Dröge]

On Do, 2014-01-16 at 10:35 -0800, Baby Octopus wrote:
> Hi,
> 
> I'm trying to understand rtpbin example for sending RTP stream to a client.
> The example pipeline in the plugin is as follows
> [...]
> I'm confused with the port usage here. All sending port look ok
> video data - 5000
> video rtcp - 5001
> audio data - 5002
> audio rtcp - 5003
> 
> But how are the rtcp recieve ports calculated as 5005 and 5007? Is it
> mandatory to have them based on sending ports?

I don't think anything is mandatory there, even not that RTP is on an
even port and RTCP for it on the next odd port. That's just a
recommendation from the RFC.

These port numbers are usually communicated between all participants via
a separate signalling protocol.

-- 
Sebastian Dröge, Centricular Ltd - http://www.centricular.com
Expertise, Straight from the Source
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 949 bytes
Desc: This is a digitally signed message part
URL: <http://lists.freedesktop.org/archives/gstreamer-devel/attachments/20140119/8fdf86d6/attachment.pgp>