/* * 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) {