mpc.jamendo.add

#!/bin/bash
# by marbu, 2008, 2013

BASE_URL="http://www.jamendo.com/"
ALBUM_URL="${BASE_URL}get/track/id/album/audio/play/"
TRACK_URL="${BASE_URL}get/track/id/track/audio/play/"

show_help() {
  NAME=$(basename $0)
  echo -e "$NAME -- simple MPD interface for jamendo.com\n"
  echo "Usage: $NAME [-p] [-c codec] jamendo_url"
  echo -e "\nOptions:"
  echo "  -p play immediatelly (append to current playlist)"
  echo "  -c codec to use (mp3 or ogg)"
  echo "  -d debug mode"
  echo "  -h this message"
}

log()
{
  echo $1 >> $HOME/local/var/mpc-jamendo-add.log
}

mpd_add()
{
  URL="$1"
  ENC="mp31"
  case $CODEC in
    ogg|ogg1) ENC="ogg1";; # lowfi OGG (q-1)
    ogg2)     ENC="ogg2";; # lowfi OGG q4
    mp3)      ENC="mp31";; # lowfi MP3 (96kbits) (default for streaming)
  esac
  if [[ "$URL" =~ ^${BASE_URL}.*/a([0-9]+)/?.*$ ]]; then
    PLAYLIST_URL=${ALBUM_URL}${BASH_REMATCH[1]}${ENC:+&aue=$ENC}
  elif [[ "$URL" =~ ^${BASE_URL}.*track/([0-9]+)/?.*$ ]]; then
    PLAYLIST_URL=${TRACK_URL}${BASH_REMATCH[1]}${ENC:+&aue=$ENC}
  else
    echo "wrong URL: $URL" >&2
    exit 1
  fi
  if [[ $DEBUG ]]; then
    echo $PLAYLIST_URL
  else
    log "$PLAYLIST_URL"
    [[ $PLAY ]] && POS_OLD=$(mpc playlist | wc -l)
    wget -O - "$PLAYLIST_URL" | tee ~/local/var/jamendo.last.m3u \
    | sed '/^#/d' | mpc add
    [[ $PLAY ]] && mpc play $(($POS_OLD+1))
  fi
}

#
# main
#

if [[ $# = 0 ]]; then
  show_help
  exit
fi

while getopts "dpc:h" OPT; do
  case $OPT in
  d)  DEBUG=echo;;
  p)  PLAY=1;;
  c)  CODEC=$OPTARG;;
  h)  show_help;
      exit;;
  esac
done

shift $(($OPTIND-1))

mpd_add $1