dvbin from vdr?

hello,

i have a dvb-c card and use vdr to output to my tv. can anybody tell me,
how i get the stream from the dvb-c produced by vdr? i thought it would
be possible with:

mplayer --dvb /dev/dvb/adaptor/dvr0

but nothing happens!

thanks in advance, marcel

--
output:

 mplayer --dvb /dev/dvb/adapter0/dvr0
MPlayer 1.0pre2-3.2.3 (C) 2000-2003 MPlayer Team
 
CPU: Intel Pentium 4/Xeon/Celeron Northwood 2406 MHz (Family: 8,
Stepping: 7)
Detected cache-line size is 64 bytes
CPUflags:  MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
Compiled for x86 CPU with extensions: MMX MMX2 SSE SSE2
 
Reading config file /usr/local/etc/mplayer/mplayer.conf: Datei oder
Verzeichnis nicht gefunden
Reading config file /root/.mplayer/config
Reading /root/.mplayer/codecs.conf: Can't open
'/root/.mplayer/codecs.conf': Datei oder Verzeichnis nicht gefunden
Reading /usr/local/etc/mplayer/codecs.conf: Can't open
'/usr/local/etc/mplayer/codecs.conf': Datei oder Verzeichnis nicht
gefunden
Using built-in default codecs.conf
font: can't open file: /root/.mplayer/font/font.desc
Font /usr/local/share/mplayer/font/font.desc loaded successfully! (200
chars)
Using Linux hardware RTC timing (1024Hz).
Can't open input config file /root/.mplayer/input.conf: Datei oder
Verzeichnis nicht gefunden
Can't open input config file /usr/local/etc/mplayer/input.conf: Datei
oder Verzeichnis nicht gefunden
Falling back on default (hardcoded) input config
Setting up LIRC support...
 
Playing /dev/dvb/adapter0/dvr0