{sh:
load {iv}
ffmpeg -i $FILE_1 -vf "geq=r='p(W-1-(X*2),Y)*(X*2<W) + p(W-1-((X-W/2)*2),Y)*(X*2>=W)':g='p(W-1-(X*2),Y)*(X*2<W) + p(W-1-((X-W/2)*2),Y)*(X*2>=W)':b='p(W-1-(X*2),Y)*(X*2<W) + p(W-1-((X-W/2)*2),Y)*(X*2>=W)',scale='if(eq(mod(n,12),0),iw/8,if(eq(mod(n,12),4),iw/16,iw))':-1:flags=neighbor,scale=960:720:flags=neighbor,hue=h='mod(trunc(n/6)*60,360)'" -c:a copy ./output/output.mp4}