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

[Mike Lee]

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?

Mike,Lee

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 Normally H263 is supposed to be outdated and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;
> >
> >
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>
>
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Mike Lee