[FFmpeg-user] If I crop must I scale?

[Andrey Aleksandrovich]

Just crop. Scale is needless.

On 2/8/14, Josh Hardman <jbhardman at gmail.com> wrote:
> Quick question...
>
> I know the commands for both cropping and scaling.  That's not the
> question.  The question is:
>
> If I crop a video, do I need to issue a scale to the new matching
> dimensions also?
>
> Example:
>
> If I have a source video that is 1920x1080 with black bars on top and
> bottom of 140px each and of just 2px on each side.
>
> So, do I crop and scale like this:
>
> -vf "crop=iw-4:ih-280:2:140,scale=1916:800"
>
> Or, do I just crop without the scale?
>
>
> --
> Josh Hardman
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