youtube2mp3

#!/bin/bash
#youtube2mp3
#    Copyright (c) 2012 Lork Scorguar <lorkscorguar@gmail.com>
#    This project is a fork of the version from PTKDev <ptkdev@gmail.com>
#    It's aim to be use only on terminal and add id3tag to the song
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
#!/bin/bash


function usage {
    echo -e "Help\nOptions are:\n\
-h | --help: display this help\n\
-y | --youtube: needs url of the video\n\
-t | --title: needs the title of the music to complete id3tag\n\
-a | --artist: needs the artist of the music to complete id3tag\n"
    exit
}

# Execute getopt
ARGS=`getopt -o "y:t:a:h" -l "youtube:,title:,artist:,help" \
      -n "getopt.sh" -- "$@"`

#Bad arguments
if [ $? -ne 0 ];
then
  usage
fi

# A little magic
eval set -- "$ARGS"

# Now go through all the options
while true;
do
  case "$1" in
    -y|--youtube)
      if [ -n "$2" ];
      then
        address=$2
      fi
      shift 2;;

    -t|--title)
      if [ -n "$2" ];
      then
        title=$2
      fi
      shift 2;;

    -a|--artist)
      if [ -n "$2" ];
      then
        artist=$2
      fi
      shift 2;;

    -h|--help)
      usage
      ;;

    --)
      shift
      break;;
  esac
done

regex='v=(.*)'
bitrate=320
dest_dir="/home/lork/Téléchargements"
if [[ $return_code_1 -eq 0 ]] && [[ $return_code_2 -eq 0 ]] && [[ $return_code_3 -eq 0 ]]; then
	if [[ $address =~ $regex ]]; then
		video_id=${BASH_REMATCH[1]}
		video_id=$(echo $video_id | cut -d'&' -f1)
		video_title="$(youtube-dl --get-title $address)"
		video_title=${video_title//\//-}
        youtube-dl --output youtube-%\(id\)s.%\(ext\)s $address

		if [ -e youtube-$video_id.flv ]; then
			ext="flv"
		fi

		if [ -e youtube-$video_id.mp4 ]; then
			ext="mp4"
		fi

		if [ -e youtube-$video_id.webm ]; then
			ext="webm"
		fi

		ffmpeg -i youtube-$video_id.$ext /tmp/youtube-$video_id.wav
		lame /tmp/youtube-$video_id.wav "$dest_dir"/"$video_title".mp3 -b $bitrate
		rm youtube-$video_id.$ext /tmp/youtube-$video_id.wav
        id3tool -t "$title" -r "$artist" "$dest_dir"/"$video_title".mp3

	    echo -e "Youtube mp3 download done\n$video_title downloaded"
    else
        echo -e "An error occured during the processing"
	fi
fi