Video (.mp4) to animation (.gif)

video-to-animation.sh

#!/bin/sh

## Cleanup
rm -f palette.png video.gif

## Make palette
# --ss  stop at seconds
# --t   duration
ffmpeg -ss 10 -t 4 -i video.mp4 -vf fps=15,scale=800:-1:flags=lanczos,palettegen palette.png

## Make gif
# --ss  stop at seconds
# --t   duration
ffmpeg -ss 10 -t 4 -i video.mp4 -i palette.png -filter_complex "fps=15,scale=800:-1:flags=lanczos[x];[x][1:v]paletteuse" video.gif

# Cleanup
rm -f palette.png