Make gif animation file from movie

makegif

#!/bin/bash

set -eux

INPUT_FILE=${1}
OUTPUT_FPS=${2:-8}
OUTPUT_HEIGHT=${3:--1}

TEMPFILE_CUT=cut.mp4
TEMPFILE_PALLETE=pallete.png

ffmpeg -v warning -y -i $INPUT_FILE -r $OUTPUT_FPS -f mp4 -vf scale=-1:$OUTPUT_HEIGHT -crf 0 $TEMPFILE_CUT
ffmpeg -v warning -y -i $TEMPFILE_CUT -vf palettegen $TEMPFILE_PALLETE
ffmpeg -v warning -y -i $TEMPFILE_CUT -i $TEMPFILE_PALLETE -filter_complex paletteuse out.gif

rm $TEMPFILE_CUT $TEMPFILE_PALLETE