I guess mplayer just doesn't support mid files. Could you please run gnome-mplayer from a shell with gnome-mplayer -v and load the mid file? This should give you
ERROR: Failed to recognize file format.
I guess mplayer just doesn't support mid files. Could you please run gnome-mplayer from a shell with gnome-mplayer -v and load the mid file? This should give you
ERROR: Failed to recognize file format.