[xiph-rtp] header ident decision

Ralph Giles giles at xiph.org
Sun May 1 11:38:53 PDT 2005


On Sun, May 01, 2005 at 07:28:26PM +0100, Phil Kerr wrote:
>                      Phil, please (again) update the draft to reflect 
> >this new payload header, and Aaron's changes to the meaning of the C,F 
> >bits.
>
> Will do.

Thanks!

> >One this I think we can define is in-band transmission. Just send the
> >header packets in the RTP stream like they were any other type. The 
> >16 bit setup ident field of the header packets must match the setup 
> >ident of the data packets that rely on them. 
> >
> Do we care about setup ident collisions?

The ident needs to match so the decoder knows which packets they apply 
to; this allows the in-band transmission to work without a prior SDP 
exchange. The encoder MUST ensure that the ident->decode setup mapping 
is unique within a given RTP session. Is that what you meant?

 -r


More information about the xiph-rtp mailing list