#!/bin/sh
# Convert any video file to animated GIF
palette=`mktemp --suffix=.png`
filters="fps=15,scale=-1:-1"   # No scaling.
#filters="fps=15,scale=320:-1:flags=lanczos"  # If you want to rescale video.
ffmpeg -v warning -i "$1" -vf "$filters,palettegen" -y "$palette"
ffmpeg -v warning -i "$1" -i $palette -lavfi "$filters [x]; [x][1:v] paletteuse" -y "$1-converted.gif"
rm "$palette"