[FFmpeg-trac] #11257(swscale:new): "scale" filter "ref_*" not working in Ubuntu Linux builds (was: scale filters implementation of scale2ref broken on linux for ref_h or rh constants. works on windows.)

[FFmpeg]

#11257: "scale" filter "ref_*" not working in Ubuntu Linux builds
-------------------------------------+-------------------------------------
             Reporter:  mytait       |                    Owner:  (none)
                 Type:  defect       |                   Status:  new
             Priority:  important    |                Component:  swscale
              Version:  unspecified  |               Resolution:
             Keywords:  scale ref_*  |               Blocked By:
  scale2ref                          |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Changes (by MasterQuestionable):

 * cc: MasterQuestionable (added)
 * keywords:  scale => scale ref_* scale2ref
 * summary:
     scale filters implementation of scale2ref broken on linux for ref_h or
     rh constants. works on windows.
     => "scale" filter "ref_*" not working in Ubuntu Linux builds
 * priority:  normal => important

Comment:

 ͏    `ffmpeg -v debug -hide_banner -nostdin -nostats -f lavfi -i
 "testsrc=1x1" -f lavfi -i "testsrc=2x2" -lavfi "scale=rw:-1" -vframes 1 -f
 null -`
 ͏    https://ffmpeg.org/ffmpeg-filters.html#scale
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Ticket URL: <https://trac.ffmpeg.org/ticket/11257#comment:1>
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