[XviD-devel] Simple profile level 0

[Luca Piccarreta]

Hi all.
In a (commercial) project we were thinking about cyclic
refresh, mostly for videocommunication and short delay
encoding (we're not using xvid, though :)
But, I wonder, how could you resynchronize without a
complete I Frame?
Even supposing that a slice is intra coded, this does not
guarantee that the same slice (in the next frame) will be correct,
as it can predict from neighbouring slices (supposed uncorrect).
What did you do?
Thanks in advance (if you feel like talking about that)
Luca Piccarreta.


----- Original Message ----- 
From: <R.Schramp at telecom.tno.nl>
To: <xvid-devel at xvid.org>
Sent: Wednesday, June 04, 2003 1:34 PM
Subject: RE: [XviD-devel] Simple profile level 0


> Another related question:
>
> In ffmpeg I added the posibility to use "cyclic refresh" which means that
except for "scene cuts" (large SAD for lots of MB) never I frames are used
but instead a cyclicly changing group of MB is forced to be Intra MB's.
>
> What would be the correct source files/function to add this kind of
functionality?
>
> Best regards,
>
> Ruud Schramp
>
> > -----Original Message-----
> > From: suxen_drol [mailto:suxen_drol at hotmail.com]
> > Sent: woensdag 4 juni 2003 11:15
> > To: xvid-devel at xvid.org
> > Subject: Re: [XviD-devel] Simple profile level 0
> >
> >
> > hi
> >
> > On Wed, 4 Jun 2003 10:52:25 +0200 <R.Schramp at telecom.tno.nl> wrote:
> > > What gives to your opinion best encoding quality? In ffmpeg
> > i chose to
> > > disable ac-prediction instead of what you are suggesting here.
> >
> > i dunno, as i dont use lumimasking. then again, iam not
> > encoding at 64 kbps.
> >
> > it wont be very hard to add a flag to enable/disable xvid's
> > ac prediction,
> > therefore letting you choose either in the gui.
> >
> > -- pete
> >
> >
> > _______________________________________________
> > XviD-devel mailing list
> > XviD-devel at xvid.org
> > http://list.xvid.org/mailman/listinfo/xvid-devel
> >
>
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