FE_GET_EVENTdvb_tune, TUNING FAILED

Hi,
somehow i am unable to use my usb dvb-t box with mplayer:
using it with xine works, tuning it to channels with tzap works as well:

tzap ZDF
using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
tuning to 474000000 Hz
video pid 0x0221, audio pid 0x0222
status 01 | signal 122d | snr 8989 | ber 00000000 | unc 0000b4c1 |
status 1f | signal 722e | snr 7e7e | ber 00000000 | unc 0000b4c1 | 
FE_HAS_LOCK
status 1f | signal 622e | snr 8080 | ber 00000000 | unc 0000b535 | 
FE_HAS_LOCK


however mplayer does not give a picture, instead the following output:

/mplayer -v dvb://ZDF
MPlayer 1.0pre6-3.3.4 (C) 2000-2004 MPlayer Team
CPU: IDT/Centaur/VIA C3 Nehemiah (Family: 6, Stepping: 8)
Detected cache-line size is 32 bytes
CPUflags:  MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 0
Compiled for x86 CPU with extensions: MMX MMX2 SSE


CommandLine: '-v' 'dvb://ZDF'
init_freetype
get_path('font/font.desc') -> '/root/.mplayer/font/font.desc'
font: can't open file: /root/.mplayer/font/font.desc
font: can't open file: /usr/local/share/mplayer/font/font.desc
Using MMX (with tiny bit MMX2) Optimized OnScreenDisplay
Failed to open /dev/rtc: No such device (it should be readable by the user.)
Using nanosleep() timing
get_path('input.conf') -> '/root/.mplayer/input.conf'
Can't open input config file /root/.mplayer/input.conf: No such file or 
directory
Can't open input config file /usr/local/etc/mplayer/input.conf: No such 
file or directory
Falling back on default (hardcoded) input config
get_path('ZDF.conf') -> '/root/.mplayer/ZDF.conf'
Playing dvb://ZDF.
TUNER TYPE SEEMS TO BE DVB-T
get_path('channels.conf.ter') -> '/root/.mplayer/channels.conf.ter'
get_path('channels.conf') -> '/root/.mplayer/channels.conf'
CONFIG_READ FILE: /root/.mplayer/channels.conf, type: 2
TER, NUM: 0, NUM_FIELDS: 12, NAME: ZDF, FREQ: 474000000 PIDS:  545  546  0
TER, NUM: 1, NUM_FIELDS: 12, NAME: Info/3sat, FREQ: 474000000 PIDS:  561 
  562  0
TER, NUM: 2, NUM_FIELDS: 12, NAME: Doku/KiKa, FREQ: 474000000 PIDS:  593 
  594  0
TER, NUM: 3, NUM_FIELDS: 12, NAME: N24, FREQ: 514000000 PIDS:  225  226  0
TER, NUM: 4, NUM_FIELDS: 12, NAME: ProSieben, FREQ: 514000000 PIDS:  305 
  306  0
TER, NUM: 5, NUM_FIELDS: 12, NAME: KABEL1, FREQ: 514000000 PIDS:  161 
162  0
TER, NUM: 6, NUM_FIELDS: 12, NAME: SAT.1, FREQ: 514000000 PIDS:  385 
386  0
TER, NUM: 7, NUM_FIELDS: 12, NAME: BayerischesFernsehen, FREQ: 618000000 
PIDS:  5185  5186  0
TER, NUM: 8, NUM_FIELDS: 12, NAME: MDR FERNSEHEN, FREQ: 618000000 PIDS: 
  5169  5170  0
TER, NUM: 9, NUM_FIELDS: 12, NAME: NDR FS NDS *, FREQ: 618000000 PIDS: 
5137  5138  0
TER, NUM: 10, NUM_FIELDS: 12, NAME: NDR FS HH *, FREQ: 618000000 PIDS: 
5137  5138  0
TER, NUM: 11, NUM_FIELDS: 12, NAME: NDR FS SH, FREQ: 618000000 PIDS: 
5137  5138  0
TER, NUM: 12, NUM_FIELDS: 12, NAME: NDR FS MVP *, FREQ: 618000000 PIDS: 
  5137  5138  0
TER, NUM: 13, NUM_FIELDS: 12, NAME: WDRKöln, FREQ: 618000000 PIDS:  5153 
  5154  0
TER, NUM: 14, NUM_FIELDS: 12, NAME: RTLTelevision, FREQ: 666000000 PIDS: 
  337  338  0
TER, NUM: 15, NUM_FIELDS: 12, NAME: RTL2, FREQ: 666000000 PIDS:  353 
354  0
TER, NUM: 16, NUM_FIELDS: 12, NAME: SuperRTL, FREQ: 666000000 PIDS:  369 
  370  0
TER, NUM: 17, NUM_FIELDS: 12, NAME: VOX, FREQ: 666000000 PIDS:  545  546  0
TER, NUM: 18, NUM_FIELDS: 12, NAME: arte, FREQ: 682000000 PIDS:  4385 
4386  0
TER, NUM: 19, NUM_FIELDS: 12, NAME: Phoenix, FREQ: 682000000 PIDS:  4401 
  4402  0
TER, NUM: 20, NUM_FIELDS: 12, NAME: EinsExtra, FREQ: 682000000 PIDS: 
4417  4418  0
TER, NUM: 21, NUM_FIELDS: 12, NAME: DasErste, FREQ: 682000000 PIDS: 
4369  4370  0
DVB_CONFIG, can't open device /dev/dvb/adapter1/frontend0, skipping
DVB_CONFIG, can't open device /dev/dvb/adapter2/frontend0, skipping
DVB_CONFIG, can't open device /dev/dvb/adapter3/frontend0, skipping
OPEN_DVB: prog=ZDF, card=1, type=2, vid=0, aid=0
code taken from dvbstream for mplayer v0.4pre1 - (C) Dave Chapman 2001
Released under the GPL.
Latest version available from http://www.linuxstb.org/
PROG: ZDF, CARD: 1, VID: 0, AID: 0, TYPE: , FILE: (null)
PROGRAM NUMBER 0: name=ZDF, freq=474000000
DVB_OPEN_DEVICES(3)
OPEN(0), file /dev/dvb/adapter0/demux0: FD=4, CNT=0
OPEN(1), file /dev/dvb/adapter0/demux0: FD=5, CNT=1
OPEN(2), file /dev/dvb/adapter0/demux0: FD=6, CNT=2
DVB_SET_CHANNEL: new channel name=ZDF, card: 0, channel 0
DIFFERENT TUNING THAN THE PREVIOUS:   -> 0|474000000|2|0|2|1|1|3
dvb_tune Freq: 474000000
TUNE_IT, fd_frontend 3, fd_sec 0
freq 474000000, srate 0, pol Using DVB card "TerraTec/qanu USB2.0 
Highspeed DVB-T Receiver"
tuning DVB-T (in United Kingdom) to 474000000 Hz, bandwidth: 0
polling....
Getting frontend event
FE_STATUS: FE_HAS_SIGNAL
polling....
Getting frontend event
FE_GET_EVENTdvb_tune, TUNING FAILED
ERROR, COULDN'T SET CHANNEL  0: DVBIN_CLOSE, close(2), fd=6, COUNT=2
DVBIN_CLOSE, close(1), fd=5, COUNT=1
DVBIN_CLOSE, close(0), fd=4, COUNT=0
Failed to open dvb://ZDF

vo: x11 uninit called but X11 not inited..

Exiting... (End of file)


any hints?
regards, borghart