[stavrosg@gondolin etc]$ ls -la /dev/dvd
lr-xr-xr-x  1 root root 35 2005-05-03 21:50 /dev/dvd -> /dev/ide/host0/bus1/target0/lun0/cd
[stavrosg@gondolin etc]$ ls -la /dev/ide/host0/bus1/target0/lun0/cd
brw-rw----  1 root optical 22, 0 1970-01-01 02:00 /dev/ide/host0/bus1/target0/lun0/cd
[stavrosg@gondolin etc]$ id stavrosg
uid=1004(stavrosg) gid=100(users) =100(users),10(wheel),92(audio),93(optical)
[stavrosg@gondolin etc]$ mplayer dvd://1
MPlayer 1.0pre6-3.4.3 (C) 2000-2004 MPlayer Team
CPU: Advanced Micro Devices Athlon MP/XP Thoroughbred (Family: 6, Stepping: 1)
Detected cache-line size is 64 bytes
CPUflags:  MMX: 1 MMX2: 1 3DNow: 1 3DNow2: 1 SSE: 1 SSE2: 0
Compiled with runtime CPU detection - WARNING - this is not optimal!
To get best performance, recompile MPlayer with --disable-runtime-cpudetection.

Failed to open /dev/rtc:   (it should be readable by the user.)
Playing dvd://1.
Reading disc structure, please wait...
There are 3 titles on this DVD.
etc...