[root@euclid hmv]# mplayer dvd://
MPlayer SVN-r33159-4.5.2 (C) 2000-2011 MPlayer Team
162 audio & 359 video codecs
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://.
libdvdread: Using libdvdcss version 1.2.10 for DVD access
libdvdread: Can't stat /dev/dvd
No such file or directory
libdvdread: Could not open /dev/dvd
Couldn't open DVD device: /dev/dvd (No such file or directory)
No stream found to handle url dvd://