[FFmpeg-user] rounding errors in v360 filter

Paul B Mahol onemda at gmail.com
Sun Feb 23 19:20:26 EET 2020


On 2/23/20, Michael Koch <astroelectronic at t-online.de> wrote:
> 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
>

Fixed.

> 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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