get_playlist_time (Xmms::Remote)

    /*
     * Get the duration of a song, in milliseconds
     *
     * This method raises an Xmms::Error exception if XMMS is not running,
     * or an ArgumentError exception if the number of arguments isn't 0 or
     * 1.
     *
     * Examples:
     *   # get the duration of the current song
     *   time = remote.playlist_time
     *
     *   # get the duration of song 23 in the playlist
     *   time = remote.playlist_time 23
     *
     */
    static VALUE xr_pl_time(int argc, VALUE *argv, VALUE self) {