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

[FFmpeg]

#9450: Error in double-fisheye to equirectangular conversion
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             Reporter:  Michael Koch  |                    Owner:  (none)
                 Type:  defect        |                   Status:  new
             Priority:  normal        |                Component:  avfilter
              Version:  git-master    |               Resolution:
             Keywords:                |               Blocked By:
             Blocking:                |  Reproduced by developer:  0
Analyzed by developer:  0             |
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Comment (by Michael Koch):

 Same problem also when converting from equirectangular to double-fisheye.
 The pixels are twice as big as they should be.

 ffmpeg -f lavfi -i color=red:s=10x20 -f lavfi -i color=green:s=20x20
 -lavfi [0]split[a][b];[a][1]hstack[a];[a][b]hstack,v360=e:dfisheye -frames
 1 -y out.png
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Ticket URL: <https://trac.ffmpeg.org/ticket/9450#comment:3>
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