[FFmpeg-trac] #4298(avfilter:open): zoompan filter creates shaky image

[FFmpeg]

#4298: zoompan filter creates shaky image
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             Reporter:  slhck        |                    Owner:  (none)
                 Type:  defect       |                   Status:  open
             Priority:  normal       |                Component:  avfilter
              Version:  git-master   |               Resolution:
             Keywords:  zoompan      |               Blocked By:
  swscale                            |
             Blocking:               |  Reproduced by developer:  1
Analyzed by developer:  0            |
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Comment (by MasterQuestionable):

 ͏    https://github.com/pYtoner/FFmpeg/blob/subpixel_zoompan/README.md
 ͏
 https://github.com/FFmpeg/FFmpeg/commit/17dc567952001bfcf1ee720d790bc684aded1d36
 ͏    [ !^ Only actual patch at the moment. ]
 ͏    .
 ͏
 https://github.com/FFmpeg/FFmpeg/compare/226fcc7258ca0a6bc74c19acc8d2fe181393bfb1...4c9fd220e29f9de0c8b1287d54be690a9a287376
 ͏
 https://github.com/pYtoner/FFmpeg/commits/subpixel_zoompan?author=pYtoner&since=2025-04-03
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Ticket URL: <https://trac.ffmpeg.org/ticket/4298#comment:20>
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