current-song

#! /bin/sh
# current-song (Bourne shell script) -- scrobbles to STDOUT
#
# Note: in some cases, requires package 'libqt4-dbus' for qdbus tool
#
# Keywords: scrobble rhythmbox banshee audacious amarok
#
# TO-DO:
#   + snaffle more from https://github.com/vkolev/playCopy
#   + if MUSIC_PLAYER isn't set:
#       - read from ~/.config/current-song/config.sh if present
#       - otherwise, read from ~/.config/current-song/_detected.sh if present
#       - otherwise, detect player
#       - ...and save to ~/.config/current-song/_detected.sh
#   + option to override player
#   + option to force detection (don't save)

self=current-song
AWK_FN_getvalue='function getvalue(key) { return substr($0, length(key) + 3); }'


# Options:
#   -c      Use the command-line interface instead of DBus
banshee_song()
{
  if [ "x$1" = x-c ] ; then
    shift
    { banshee --query-artist ; banshee --query-title ; } |
      awk '$1 == "artist:"       { artist = getvalue("artist"); }
           $1 == "title:"        { track = getvalue("title"); }
           END                   { print artist " - " track; }'"
           $AWK_FN_getvalue"
  else
    qdbus org.bansheeproject.Banshee /PlayerEngine GetCurrentTrack |
      awk '$1 == "album-artist:" { artist = getvalue("album-artist"); }
           $1 == "name:"         { track = getvalue("name"); }
           END                   { print artist " - " track; }'"
           $AWK_FN_getvalue"
  fi
}


amarok_song()
{
  qdbus org.kde.amarok /Player org.freedesktop.MediaPlayer.GetMetadata |
    awk '$1 == "artist:"       { artist = getvalue("artist"); }
         $1 == "title:"        { track = getvalue("title"); }
         END                   { print artist " - " track; }'"
         $AWK_FN_getvalue"
}


playerctl_song()
{
  playerctl metadata | sed -n 's/^[^ ]\+ xesam:title \+//p'
}


# *** MAINLINE ***
case "$MUSIC_PLAYER" in
  _detect)      playerctl_song ;;
  audacious)	audtool current-song ;;
  rhythmbox)	rhythmbox-client --print-playing ;;
  amarok)	amarok_song ;;
  banshee)	banshee_song ;;
  *)
    echo 'current-song: please set MUSIC_PLAYER environment variable' >&2
    exit 3
    ;;
esac |
  sed -e 's/\([^~]*\)~\([^~]*\)~ABSOLUTERADIOIR.*/\1 - \2/'