Hi,

there seem to be some rounding (or +-1) errors in the v360 filter, when converting from double fisheye to equirectangular. Can be reproduced as follows:

ffmpeg -f lavfi -i color=red:size=40x40 -f lavfi -i color=green:size=40x40 -lavfi "[0][1]hstack,v360=input=dfisheye:output=e" -frames 1 -y out.png

Please have a look at the output image and you will see what I mean. FFmpeg version is 3 days old.

Michael

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