[MPlayer-users] mencoder, libavcodec, high-motion scenes jerky

Michael Niedermayer michaelni at gmx.at
Wed May 29 17:30:02 CEST 2002


Hi

On Wednesday 29 May 2002 16:38, Dominik Mierzejewski wrote:
[...]
> Original material is MPEG2, 480x480, 5100 seconds. I'm cropping out the
> black bars from top and bottom and a few pixels from left and right. While
> the overall quality is great (would B-frames help more?) and filesize
> matching (I was aiming at 686MB, got 692MB) is almost perfect, the high
> motion scenes look jerky. I'm sure there's some parameter I haven't thought
> of that could help when tweaked. The question is, which one? vme, vqcomp,
vqcomp i guess should have most effect
perhaps u want to take a look at DOCS/tech/libavc-rate-control.txt

> vqdiff? As you have probably noticed, I'm changing FPS to 24 (original is
> 29.976), is that an issue? Have I done something wrong?

Michael




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