[MEncoder-users] Help with MPG video encoding

RC rcooley at spamcop.net
Tue Mar 13 10:38:31 CET 2007


On Mon, 12 Mar 2007 13:26:38 -0700 (PDT)
Walter Belhaven <wbelhaven at yahoo.com> wrote:

> But when I encode the video in MPG2 or MPG4, even with vqscale=1 or
> vqscale=2, I see sometimes severe blocking in the resulting video.  Is
> this because the chroma is being subsampled vertically and
> horizontally (4:2:0), or is it because 'vqscale' is (perhaps necessary
> but) not sufficient to get "maximum quality at any price" encoding?

There's no reason MPEG-2/4 would be inherently blocky.

Far more info is needed to even guess where your problem might lie. 
Command-lines and output would be a start.  A short sample of the source
may help as well.




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