[MPlayer-users] MPlayer-1.0pre4 bug with divx4 multipass filter

Loren Merritt lorenm at u.washington.edu
Mon Sep 13 11:16:22 CEST 2004

On Mon, 13 Sep 2004, D Richard Felker III wrote:
> On Sun, Sep 12, 2004 at 06:05:51PM -0700, Loren Merritt wrote:
>> On Sun, Sep 12, 2004, Vladimir Mosgalin wrote:
>>> I always try to keep original dvd resolution, without rescaling, to keep
>>> all the details. When width and height aren't multiplies of 8 (16 is too
>>> harsh) and I don't want to crop too much, I scale, say, from 708 to 704
>>> pixels - eye can't tell the difference.
>> There's your problem. After a little fiddling, I can reproduce your
>> bug with:
>> video resolution not divisible by 16,
> 704 _is_ divisible by 16 though. And....if Vladimir is such a stickler
> for quality, I can't imagine he would encode with a bad width...

I took his statement to mean that he had encoded some videos where the 
naive cropping rectangle was, say, 712x480, and he left them as-is because 
he thought divisible by 8 was good enough.

>> encoded with xvid, (ver: 1.0.2)
>> decoded with lavc, (ver: cvs 20040910)
>> and a -vf filter chain beginning with spp, unsharp, noise, or delogo
>> (don't ask me what's special about those filters)
> Can you upload a very short clip for me to see, so I don't have to go
> and install xvid?


--Loren Merritt

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