[FFmpeg-user] Changing DAR ?

[Ronald F. Guilmette]

In message <1381282322.15551.YahooMailNeo at web160806.mail.bf1.yahoo.com>, 
Nicholas Robbins <nickrobbins at yahoo.com> wrote:

>> ffmpeg -i foo.avi -acodec copy -vcodec copy -vf setdar=3D16/9 bar.avi
>
>You might want to try mkvmerge.
>
>$ mkvmerge -o foo.mkv --aspect-ratio 16/9=A0 foo.avi
>
>It will repackage the file as an mkv, don't know if that is or isn't a prob=
>lem.


Thank you for the suggestion.

I've noticed that even ffmpeg alone can fix-up certain aspect ratio
problems I've encountered if I'm willing to have the output go into
a .mkv container.