[FFmpeg-trac] #2015(undetermined:new): VF Scale option should include -2 to create square pixels

[FFmpeg]

#2015: VF Scale option should include -2 to create square pixels
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             Reporter:  ramitbhalla  |                     Type:
               Status:  new          |  enhancement
            Component:               |                 Priority:  normal
  undetermined                       |                  Version:
             Keywords:               |  unspecified
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
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 Summary of the bug: FFMPEG has not way to create square pixels output
 video. using -1 for 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

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2015>
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