matt@matt-desktop:~$ mplayer -vo gl2 -dvd-device /dev/dvd dvd://1
MPlayer 2:1.0~rc1-0ubuntu13.1 (C) 2000-2006 MPlayer Team
CPU: AMD Processor model unknown (Family: 15, Model: 67, Stepping: 3)
CPUflags: MMX: 1 MMX2: 1 3DNow: 1 3DNow2: 1 SSE: 1 SSE2: 1
Compiled with runtime CPU detection.
Can't open joystick device /dev/input/js0: No such file or directory
Can't init input joystick
mplayer: could not connect to socket
mplayer: No such file or directory
Failed to open LIRC support. You will not be able to use your remote control.
Playing dvd://1.
There are 3 titles on this DVD.
There are 28 chapters in this DVD title.
There are 1 angles in this DVD title.
audio stream: 0 format: ac3 (5.1) language: en aid: 128.
number of audio channels on disk: 1.
number of subtitles on disk: 0
MPlayer interrupted by signal 2 in module: demux_open
matt@matt-desktop:~$