[FFmpeg-trac] #9811(avfilter:reopened): filter 'zscale=transfer=linear' fails with "code 2050: active window must be positive"

[FFmpeg]

#9811: filter 'zscale=transfer=linear' fails with "code 2050: active window must
be positive"
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             Reporter:  rminnema     |                    Owner:  (none)
                 Type:  defect       |                   Status:  reopened
             Priority:  normal       |                Component:  avfilter
              Version:  git-master   |               Resolution:
             Keywords:  zimg,zscale  |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Changes (by Marton Balint):

 * cc: Marton Balint (added)

Comment:

 Can you try the latest git master? The calculation of slices has changed
 slightly. Although I can't reproduce the crash you are experiencing...
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Ticket URL: <https://trac.ffmpeg.org/ticket/9811#comment:18>
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