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Re: Rtp profile query

 

Nikhil,

> > >            When I send rtp packets using the rohctunnel
> > > application, I get the following message during decompression and
> > > the decompressor uses the udp profile. Can anyone shed a bit of
> > > light on this please?
> >
> > [...]
> > The RTP standard does not define a UDP port for RTP streams, so it
> > is quite difficult to recognize a RTP stream. The current mechanism
> > is based on a predefined list of UDP ports dedicated to the RTP
> > streams.
> > [...]
> > The static list of UDP ports for RTP may be found in the source
> > code. You need to rebuild the library to change the list. In the
> > trunk, the list is defined in the src/comp/c_rtp.c file:
> > http://bazaar.launchpad.net/~didier-barvaux/rohc/main/annotate/head:/src/comp/c_rtp.c#L38
>
> I had a look at the c_rtp.c file you suggested and that does not have
> a list of ports for RTP. The weblink for the file however shows the
> list of port numbers for RTP. Nikhil

The link I sent is for the trunk version. If you use the 1.3.x version,
the location of list of RTP ports is different. See the rohc.h file:
http://bazaar.launchpad.net/~didier-barvaux/rohc/1.3.x/annotate/head:/src/common/rohc.h#L402

Regards,
Didier

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