[MPlayer-users] Mencoder: How to convert 1440x1080 to 1920x1080 Square pixel and yuv420 to yuv244p

[Juan Pablo Viglini]

On Mar 10, 2013 9:03 AM, "Reimar Döffinger" <Reimar.Doeffinger at gmx.de>
wrote:
>
> On Sat, Mar 09, 2013 at 10:54:49PM +0100, Karsten Jeschkies wrote:
> > I converted the m2t to an image sequence nad used that as an input for
> > ffmpeg. However, that screws up the aspect ratio.
> >
> > Or should I rather use mencoder to convert to huffyuv and then use the
new
> > file as an input for ffmpeg?
>
> You should really report the FFmpeg issue to them together with a sample
> file.
> But otherwise, instead of decoding to images you'd normally use mplayer
> with -vo yuv4mpeg which will preserve frame rate and aspect settings,
> and ideally you'd stream it to ffmpeg via a pipe to not require so much
> disk space.
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