Mplayer problem FC7

[david walcroft <d_j_w46@xxxxxxxxxxxxxx>]

I cannot run a dvd through mplayer it errors out with :-

mplayer dvd://1 -dvd-device /dev/hdc

Playing dvd://1.
libdvdread: Couldn't find device name.
libdvdread: Can't open file VIDEO_TS.IFO.
Can't open VMG info!
File not found: '1'
Failed to open dvd://1.


Exiting... (End of file)
[david@reddwarf ~]$

Thanks  david