ffgif

#!/bin/bash
[ -z "$1" ] && printf "Missing Arguments\n" && exit
IFile="$1"
speed=1
fps_rate=$(ffprobe -i "$1" -show_entries stream=avg_frame_rate -v quiet -of csv="p=0" | awk -F'/' 'NR==1{print $1}')
fps="fps=$fps_rate,"
convFps=" -delay 1/$fps_rate"
shift
[ "$1" == "-p" ] && shift && speed="$1" && shift
# [ "$1" == "-s" ] && shift && size="scale=w=$1:h=$1," && shift
[ "$1" == "-s" ] && shift && size="scale=$1:-1:flags=lanczos," && shift
[ "$1" == "-r" ] && shift && rotate="transpose=$1," && shift
[ "$1" == "-rr" ] && shift && rotate2="transpose=$1," && shift
[ "$1" == "-t" ] && shift && totalTime=" -t $1" && shift
[ "$1" == "-f" ] && shift && fps="fps=$1," && convFps=" -delay 1/$1" && shift
[ "$1" == "-R" ] && reverse="reverse," && shift
[ -z "$1" ] && printf "Missing Outputfile\n" 2>&1 && exit
ffmpeg -i "$IFile" $totalTime -vf "${fps}setpts=${speed}*PTS,${reverse}${rotate}${rotate2}${size} split[s0][s1];[s0]palettegen[p];[s1][p]paletteuse" -c:v pam -f image2pipe - | magick $convFps - -layers optimize -verbose "$1"
#ffmpeg -i "$IFile" $totalTime -vf "${fps}setpts=${speed}*PTS,${reverse}${rotate}${rotate2}${size} split[s0][s1];[s0]palettegen[p];[s1][p]paletteuse" "$1"