g () { ffmpeg -f lavfi -i "cellauto=rule=$1, hqx=n=4 [c1] ; cellauto=rule=$2,rotate=PI,hqx=n=4[c2]; [c1][c2] blend=and,tblend=xor,crop=w=426:h=240,vignette,hqx=n=2 [out0]" -an -vframes 1 -y out.jpg }