# File /home/oliver/dev/powermate/xmms.rb, line 177
  def volume
    socket = self.connect
    send_cmd( socket, CMD_GET_VOLUME )
    data = read_reply( socket ).unpack("II")
    volume = Volume.new
    volume.left = data[0]
    volume.right = data[1]
    read_ack( socket )
    socket.close
    return volume
  end