helm/bin/mov2gif
2016-11-09 03:38:26 +01:00

38 lines
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Bash
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#!/usr/bin/env bash
usage() { echo "Usage: $0 [-f <fps>] [-o <output-dest>] [-h]"; }
if [[ $# = 0 ]]; then
>&2 echo "No movie file specified"
exit
elif [[ ! -f "$1" ]]; then
>&2 echo "$1 does not exist"
exit
fi
fps=30
src="$1"
dest="${$(basename $src)%.mov}.gif"
while getopts hf:o: opt
do
case "$opt" in
-f) fps="$OPTARG" ;;
-o) dest="$OPTARG" ;;
-h) usage
exit
;;
:) >&2 echo "$OPTARG requires an argument"
usage
exit 1
;;
esac
done
palette="$(mktemp)"
flags="fps=${fps}"
ffmpeg -v warning -i "$src" -vf "$flags,palettegen" -y "$palette"
ffmpeg -v warning -i "$src" -i "$palette" -lavfi "$flags [x]; [x][1:v] paletteuse" -y "$dest"
[ -f "$palette" ] && rm -f "$palette"