[Asterisk-video] H324M AMR audio working!!!

[matteo brancaleoni]

Hi,

On Thu, 2007-03-01 at 14:48 +0000, Ramtin Amin wrote:
> The problem with bridging to SIP is bigger than you think
>  
> My H324m stack is directly implemented into chan_zap, so I can place
> 3G call with dial(zap/gv1/number) or I receive video call from a
> cellphone in H263 mode.

uhm I prefer Sergio's way... I don't like to be tied
to a single channel driver (and also zap is already a mess
of protocols...) but is bettere imho having a generic
stream processor that don't looks at the transport.

> Also since I wrote codec_amr and format_amr, i gave chan_zap the amr
> capability so the call is transcoded.
That's nice. Can we try it ?

> Currently when I bridge to SIP it works but there is a BIG problem,
> it's the FPS that the softphone is sending.
> Basically, if the H263 video coded by the softphone is about 50kb/s
> its fine. but if it's bigger (which is usually the case) then you
> loose frame.
> Also, the softphone is not usually capable of sending a SIP info as
> Video Fast Update asking the softphone to reencode an I-frame.
> That's why I'm currenty working on the transcoding of H263 <> H263.
I agree.

Keep us updated on this 

regards, 
Matteo.

-- 
Matteo Brancaleoni
R&D Director
Tel  :+39.02.70633354
Voip :sip:matteo at sip.voismart.it