#2015: VF Scale option should include -2 to create square pixels
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Reporter: ramitbhalla | Owner:
Type: enhancement | Status: new
Priority: normal | Component: avfilter
Version: unspecified | Resolution:
Keywords: scale | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by saste):
Replying to [ticket:2015 ramitbhalla]:
> Summary of the bug: FFMPEG has not way to create square pixels output
video. using -1 for
setsar=1,scale=iw:iw
what's wrong with this?
> the scale automatically scales but does not create square pixel video.
>
> So instead of having to create a square pixel video with width 720 by
doing this:
>
> -vf scale=720:trunc(720/dar/2)*2
>
> It would be great if FFMPEG can provide an option (like mencoder) to do
something like:
>
> -vf scale=720:-2
I tend to dislike this arbitrary and opaque syntax.
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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2015#comment:2>
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