[FFmpeg-user] Command line option to convert to square pixels?

Jamie Tufnell diesql at googlemail.com
Wed Dec 28 16:26:24 CET 2011

On Sat, Nov 19, 2011 at 11:43 PM, Dan Flett <dflett at bigpond.net.au> wrote:
>> On Nov 18, 2011, at 18:06 , Jamie Tufnell wrote:
>> > How can I convert to square pixels IF necessary, AND
>> maintain height
>> > based the input file's display aspect ratio?


> When doing any sort of scaling, the first thing in my -vf sequence is this:
> -vf scale=iw*sar:ih
> This scales the width to make square pixels.  Any subsequent transformations
> are then done on square pixel video.

Great, thanks!


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