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Re: [Linphone-developers] [sr #105016] Wish: video call support

From: Mike Lee
Subject: Re: [Linphone-developers] [sr #105016] Wish: video call support
Date: Fri, 13 Jan 2006 02:05:59 +0800

Hi Simon,
   After looking in the codes, there should be mpeg4 streaming. Why
not use mpeg4 instead of H263?
   AFAIK, compression power of Mpeg4 should be between H263 and H263+.
 I don't know whether they are the same with what you mention. Does
H263+ equal to H263-1998? or a new one?


On 1/12/06, Simon Morlat <address@hidden> wrote:
> >
> > Thanks!
> > Out of curiosity: any plan to include support for H261 as well ?
> > Not that i know anything about it, but kphone uses both H261 and H263...
> Well, H261 is a prior version of H263, designed for very low bandwidth
> communications. I don't think it is valuable to spend time on this.
> There exists three versions of H263: H263, H263-1998 and H263-2000.
> Linphone only supports H263-1998. Normally H263 is supposed to be outdated and
> new implementations should implement it only for backward compatibility. But
> I don' t know what the existing implementation over the world are currently
> supporting. There seems to be still many ones using H263. So maybe I'll need
> to add H263 support, depending on the users feedback.
> Simon
> >
> > --strk;
> >
> >
> > _______________________________________________
> > Linphone-developers mailing list
> > address@hidden
> >
> _______________________________________________
> Linphone-developers mailing list
> address@hidden

Mike Lee

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