gifinate

#!/bin/bash

if [[ $# < 1 ]]; then
   echo "Requires an argument."
   exit 1
fi


if [[ ! -r $1 ]]; then
    echo "File not found: ${1}"
    exit 2
fi

FN=${1}
BASEFN=${1%.*}
OUTFN=${BASEFN}.gif

if [[ -e ${OUTFN} ]]; then
    echo "File exists: ${OUTFN}"
    exit 3
fi

echo "Generating ${OUTFN}..."


rm -f gifinate-[0-9][0-9][0-9].png
ffmpeg -i ${FN} -s 480x360 -r 3 gifinate-%03d.png
convert -delay 3 -loop 0 gifinate-[0-9][0-9][0-9].png -coalesce -layers OptimizeTransparency ${OUTFN}
# convert -delay 1 -loop 0 gifinate-[0-9][0-9][0-9].png -coalesce ${OUTFN}
# rm -f gifinate-[0-9][0-9][0-9].png


# ffmpeg -i test.mov -s 480x360 test-%03d.png