[XviD-devel] Xvid-devel Digest, Vol 90, Issue 1

[Yong Zhao]

Thanks to Peter. Can you give me a detailed description on how to disable
the b-frames encoding. I tried but came up with nothing. Also, the problem
only happens when I use Xvid as compression method in my own program. In the
program I use the cvCreateVideoWriter and cvWriteFrame function
from openCV to deal with generating and writing frame into AVI. When I used
Xvid to compress some videos in VirtualDub, then the problem did not occur.
In both cases, I use the same default parameters in Xvid configuration
panel. The problem seems really weired.

I hope someone can help.


Yong

On Sun, Aug 15, 2010 at 6:00 AM, <xvid-devel-request at xvid.org> wrote:

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> Today's Topics:
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>   1. an apparent bug (Yong Zhao)
>   2. Re: an apparent bug (Peter Ross)
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> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sat, 14 Aug 2010 20:39:21 -0400
> From: Yong Zhao <yzhao.hust at gmail.com>
> Subject: [XviD-devel] an apparent bug
> To: xvid-devel at xvid.org
> Message-ID:
>        <AANLkTinXPMn7LV92XFz9VmZh4wYgggeoxoT3aLARJf0h at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> Hi all,
>
> I use Xvid as my first choice compression method, and rarely come into
> finding the problem I found today. Whenever you compress video materials
> using Xvid, I find Xvid could result in the first 2 or 3 frame to be same
> as
> the first frame, and then come to the next sequential frames? Did everyone
> else find the same problem? If so, has this bug been reported?
>
>
> Yong
>
>
> ------------------------------
>
> Message: 2
> Date: Sun, 15 Aug 2010 11:41:05 +1000
> From: Peter Ross <pross at xvid.org>
> Subject: Re: [XviD-devel] an apparent bug
> To: xvid-devel at xvid.org
> Message-ID: <20100815014105.GA6277 at chloe.inet>
> Content-Type: text/plain; charset=us-ascii; x-action=pgp-signed
>
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> On Sat, Aug 14, 2010 at 08:39:21PM -0400, Yong Zhao wrote:
> > Hi all,
> >
> > I use Xvid as my first choice compression method, and rarely come into
> > finding the problem I found today. Whenever you compress video materials
> > using Xvid, I find Xvid could result in the first 2 or 3 frame to be same
> as
> > the first frame, and then come to the next sequential frames? Did
> everyone
> > else find the same problem? If so, has this bug been reported?
>
> No. I suspect you are encoding to AVI with b-frames enabled, and are
> witnessing the b-frames decoder-presentation delay. If so, this is normal.
>
> - -- Peter
> (A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
> -----BEGIN PGP SIGNATURE-----
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> =Woo0
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>
>
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> End of Xvid-devel Digest, Vol 90, Issue 1
> *****************************************
>