Re: [Linphone-users] RTP for Linphone

[Simon Morlat]

The voice processing part of linphone is in mediastreamer/
See the file mediastreamer/audiostream.c . oRTP just takes care of RTP 
protocol and does not infer with soundcards.
Simon

Le Mardi 8 Février 2005 18:08, Renu Rangnekar a écrit :
> Hello all,
>
> I am working on PowerPC platform and intend to use Linphone SIP UA on it. I
> have cross complied the libosip and linphone source code for PowerPC and
> able to establish the SIP dialog through a remote machine. Now I want to
> setup the RTP at my platform. I have to modify the oRTP in a way that it
> sends out the voice data not to the sound card but to the PCM codec
> interfaced to the serial port. I am not clear exactly which part in oRTP
> source code should be modified for this. Can somebody throw light on the
> flow and architecture of RTP and the purpose of the functions used? I will
> also need to write a small driver for the PCM codec. Further, is the voice
> data from Linphone compatible to be directly given to PCM codec? Which part
> of the Linphone performs the coding of voice?
>
> Thanks & Regards,
> Renu