[MPlayer-users] Produce 422 format pixels with mencoder for mpeg4-encoding

Carl Eugen Hoyos cehoyos at ag.or.at
Mon Dec 16 21:40:01 CET 2013

James Board <jpboard2 <at> yahoo.com> writes:

> > > Also, I plan on using mencoder and libx264 to produce MPEG-4
> > > AVC files and 422-format pixels.  Can ffmpeg do this?
> > 
> > (Was this meant seriously? Very, very hard to believe.)
> Yes it was serious.  The whole point of the thread
> was how to generate mpeg4 files with 422 pixels using

Please stop (immediately) using "mpeg4" for H.264.
This is just misleading. (for you!)

> mencoder. If I can coerce ffmpeg to do it, and the quality
> and performance are acceptable, then I will use ffmpeg.
> But I don't know how.  The sample commands that I found
> online didn't work.

Did you report this?

>  > I still have problems with 'blue' pixels when  converting from
>  > ffhuff-compressed AVI files with yuv422 pixels to non-compressed
>  > AVI files with yuv422 pixels. 
>  > I never saw a response to that issue.
>  >
>  >You had not reported it in a way that allowed me to 
>  >reproduce this problem.
> I didn't see a request for more information,


> Anyway, thanks for figuring out what the problem was. 
> However, the fix didn't work for me: mplayer still 
> plays the blue-shifted pixels.

Command line and complete, uncut console output missing.

Carl Eugen

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