ytclip

#!/bin/bash
printf "%s\n" "$1"
[ -z "$1" ] && printf "Insert Link\n" 2>&1 && exit || link="$1"
shift
[ $# -eq 1 ] && printf "No positional Arguments\n" 2>&1 && exit

while [ $# -gt 1 ]; do 
    case $1 in
        a)
            shift
            isAudio="1"
            ;;
        s) 
            shift

            # Check if arguemnt has letters
            printf "%s\n" "$1" | grep '[a-zA-Z]' && printf "Invalid Start Time\n" 2>&1 && exit
            startTime="-ss $1"
            shift
            ;;
        t)
            shift

            # Check if arguemnt has letters
            printf "%s\n" "$1" | grep '[a-zA-Z]' && printf "Invalid End Time\n" 2>&1 && exit
            endTime="-t $1"
            shift
            ;;
        *) 
            [ -n "$startTime" ] && [ -n "$endTime" ] && break
            ;;
    esac
done

[ -z "$startTime" ] && [ -z "$endTime" ] && printf "No positional Arguments\n" 2>&1 && exit

# Get last argument
[ -z  "${@: -1}" ] || [ "$0" == "${@: -1}" ] && printf "Missing filename\n" 2>&1 && exit || filename="${@}"

#ffmpeg -probesize 50M  -i "$link" $startTime $endTime -c:v copy -c:a copy  -bsf:a aac_adtstoasc -f mp4 $filename
if [ "${isAudio}" == "1" ]; then
    printf "%s\n" "${isAudio}"
  ffmpeg -probesize 50M  -i "$link" $startTime $endTime -vn -c:a copy  -avoid_negative_ts make_zero -shortest -bsf:a aac_adtstoasc "$filename"
else
  ffmpeg -probesize 50M  -i "$link" $startTime $endTime -c:v copy -c:a copy  -avoid_negative_ts make_zero  -shortest -movflags +faststart -bsf:a aac_adtstoasc -f mp4 "$filename"
fi
# debuging 
# printf "$link ||| $startTime ||| $endTime ||| $filename\n"