#!/bin/env bash
# use: gifpeg infile outfile length
ffmpeg -t $3 -i $1 -filter_complex "[0:v] fps=10,scale=1080:-1,split [a][b];[a] palettegen=stats_mode=diff [p];[b][p] paletteuse=dither=bayer:bayer_scale=5:diff_mode=rectangle" $2
