[FFmpeg-user] Aspect ratio preservation in WMV

Paul-Antoine Arras listes at defendingthemusic.fr
Mon Sep 26 22:09:41 CEST 2011

Le 26/09/2011 21:19, Mark Richards a écrit :
> The problem is that ffmpeg has defaults for ratios, dimensions, bitrates,
> etc..., and I am guessing ratio is one of them.  You probably need to
> specify those values yourself when you transcode, to ensure you preserve the
> dimensions, bitrate, etc...  Some of the values of "copy" options.
> Unfortunately, you'll have to scour the documentation.  I'd gladly tell you
> them if I knew, but I haven't needed to "copy" values myself.
> Mark
Thanks for the advice. I'll try to inquire into this...

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