[FFmpeg-trac] #9705(undetermined:closed): Wrong value is written to *.pgm file

[FFmpeg]

#9705: Wrong value is written to *.pgm file
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             Reporter:  Michael      |                    Owner:  (none)
  Koch                               |
                 Type:  defect       |                   Status:  closed
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  git-master   |               Resolution:  invalid
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by Michael Koch):

 Replying to [comment:1 Elon Musk]:
 > Using 0 is better.

 Why is 0 better? I'm making *.pgm files for the remap filter. In this case
 0 is a valid output value. 65535 is not, and would force remap to use the
 "fill" color. It's very difficult to debug complicated functions if a
 wrong result is written to the output file and no error message is thrown.
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Ticket URL: <https://trac.ffmpeg.org/ticket/9705#comment:2>
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