[FFmpeg-user] mpeg4 with 4:2:2 colorspace

[Michael Bradshaw]

On Wed, Jul 4, 2012 at 9:12 AM, farzaneh tabataba
<f.s.tabataba81 at gmail.com> wrote:
> Hi
>
> I am trying to encode an AVI file, via mpeg4 codec( with VBR qscale 1)
>
> My source file Chroma subsampling is: 4:2:2, while chroma subsampling for
> the coded file is 4:2:0.
> How can I preserve the chroma subsampling ratio?   I want it remains 4:2:2
> after compression.

I think MPEG-4 Part 2 only supports YUV420.

--Michael