[FFmpeg-trac] #9450(avfilter:new): Error in double-fisheye to equirecatngular conversion

FFmpeg trac at avcodec.org
Sat Oct 9 11:22:37 EEST 2021


#9450: Error in double-fisheye to equirecatngular conversion
-------------------------------------+-------------------------------------
             Reporter:  Michael      |                     Type:  defect
  Koch                               |
               Status:  new          |                 Priority:  normal
            Component:  avfilter     |                  Version:  git-
                                     |  master
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 There is a rounding or +-1 error in the double-fisheye to equirectangular
 conversion. Can be reproduced as follows:

 ffmpeg -f lavfi -i color=red:s=20x20 -f lavfi -i color=green:s=20x20
 -lavfi hstack,v360=dfisheye:e -frames 1 -y out.png
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/9450>
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