[FFmpeg-trac] #9915(undetermined:closed): gblur sigma=0 vs sigmaV=10

[FFmpeg]

#9915: gblur sigma=0 vs sigmaV=10
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             Reporter:  Jozef        |                    Owner:  (none)
  Chutka                             |
                 Type:  defect       |                   Status:  closed
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  unspecified  |               Resolution:  wontfix
             Keywords:  gblur        |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by Jozef Chutka):

 I am sorry to see it ill case, I believe it is reasonable to apply just
 [vertical](https://www.google.com/search?q=vertical+blur) or
 [horizontal](https://www.google.com/search?q=horizontal+blur) blur.
 `gblur` now supports "one of radius is 0" (horizontal blur) using
 `gblur=sigma=10:sigmaV=0`, so one would expect vertical can be achieved
 similarly `gblur=sigma=0:sigmaV=10`
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Ticket URL: <https://trac.ffmpeg.org/ticket/9915#comment:2>
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