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ffmpeg -ss 4 -t 80 -i ~/Desktop/petview2.mov -vf \ "setpts=0.33*PTS,fps=4,scale=800:-1:flags=lanczos,split[s0][s1];\ [s0]palettegen=max_colors=128:stats_mode=diff[p];\ [s1][p]paletteuse=dither=bayer:bayer_scale=2" \ -loop 0 output.gif