[mythtv-users] Getting DVB-[S|T] working, mythtv blank screen

Petri Nykanen petri.t.nykanen at kolumbus.fi
Tue Sep 2 23:27:31 EDT 2003


Hi,

I am on std. RH9 P4B266 with Audigy for audio output (emu10k1),
Hauppauge NOVA-T and Nexus-S cards for DVB input. The system basically
works with the latest DVB cvs drivers on both the S and T cards. Channel
tuning with tzap and szap works, and scans work ok. I have also working
(not yet fully stable though) mplayer viewing with both cards, and
channel changing through the built in OSD.

That was the good news, now the tricky part, moving to mythtv (compiled
from the source cvs with DVB support enabled in settings.pro):

1) regardless of what is in the myth database, if I start mythtv, the
screen will go blank with no action - I can end this only by Ctrl-C.

I tried to change from Gnome to kde, and back, but it does not help.

I have assumed the blank screen is due to incorrect configuration in the
database, and I proceeded with populating the database, the relevant
table contents included.

When I start the backend, it seems like both the DVB-S card (#0) is
tuning correctly, and the DVB-T card (#1) is tuning correctly.
Starting up as the master server.

        2003-09-02 21:33:34 DVBChannel: Changing to channel 10 on card 0
        Using DVB card "STV0299/TSA5059/SL1935 based"
        tuning DVB-S to L-Band:137368272, Pol:h Srate=27500000,
        22kHz=off
        polling....
        Getting frontend event
        FE_STATUS: FE_HAS_SIGNAL FE_HAS_LOCK FE_HAS_CARRIER
        FE_HAS_VITERBI FE_HAS_SYNC
        Bit error rate: 3584
        Signal strength: 44158
        SNR: 49914
        FE_STATUS: FE_HAS_SIGNAL FE_HAS_LOCK FE_HAS_CARRIER
        FE_HAS_VITERBI FE_HAS_SYNC
        2003-09-02 21:33:34 SetPID:  2221 2233
        2003-09-02 21:33:34 DVBChannel: Changing to channel 1 on card 1
        Using DVB card "Philips TDA10045H"
        tuning DVB-T (in United Kingdom) to 578000000 Hz
        polling....
        Getting frontend event
        FE_STATUS: FE_HAS_SIGNAL FE_HAS_LOCK FE_HAS_CARRIER
        FE_HAS_VITERBI FE_HAS_SYNC
        Bit error rate: 2546
        Signal strength: 52171
        SNR: 65021
        FE_STATUS: FE_HAS_SIGNAL FE_HAS_LOCK FE_HAS_CARRIER
        FE_HAS_VITERBI FE_HAS_SYNC
        2003-09-02 21:33:36 SetPID:  512 650
        
However, when I start the frontend/mythtv, I get:
        
        Found 2 Xinerama Screens.
        Using first Xinerama screen, 1024x768+0+0
        connecting to backend server: 127.0.0.1:6543
        
        Input #0, mpeg, from
        'rbuf://127.0.0.1:6543/var/cache/mythtv//ringbuf1.nuv':
          Stream #0.0: Video: mpeg2video, 720x576, 25.00 fps, 3400 kb/s
          Stream #0.1: Audio: mp2, 48000 Hz, mono, 64 kb/s
        Error opening audio device ():
        No such file or directory
        ...
        ...
        ...
        player: Can't open audio device:
        OSD::LoadTheme(): Can't open:
        /usr/local/share/mythtv/themes///osd.xml
        Couldn't load osdtheme:  at /usr/local/share/mythtv/themes//
        Unable to find font:
        No OSD will be displayed.
        
Any help/ideas on what to do next are appreciated!

Thanks,

Petri

-----------------------------------------
DATABASE

# SELECT * FROM `capturecard`
#
'cardid','videodevice','audiodevice','vbidevice','cardtype','defaultinput','audioratelimit','hostname','use_ts','dvb_type'
'1','0','[NULL]','[NULL]','DVB','satellite','0','media','0','S'
'2','1','[NULL]','[NULL]','DVB','television','0','media','1','T'

# SELECT * FROM `cardinput`
#
'cardinputid','cardid','sourceid','inputname','externalcommand','preference','shareable','tunechan','startchan'
'1','2','1','television','[NULL]','1','N','1','1'
'2','1','2','satellite','[NULL]','10','N','10','10'

# SELECT * FROM `channel`
#
'chanid','channum','freqid','sourceid','callsign','name','icon','finetune','videofilters','xmltvid','rank','contrast','brightness','colour','hue'
'1','1','1','1','first','TV1','','0','[NULL]','1.katso.fi','0','32768','32768','32768','32768'
'2','2','2','1','second','TV2','','0','[NULL]','2.katso.fi','0','32768','32768','32768','32768'
'3','3','3','1','third','MTV3','','0','[NULL]','3.katso.fi','0','32768','32768','32768','32768'
'4','4','4','1','fourth','Nelonen','','0','[NULL]','4.katso.fi','0','32768','32768','32768','32768'
'5','5','5','1','fifth','FST','','0','[NULL]','fst.katso.fi','0','32768','32768','32768','32768'
'6','6','6','1','sixth','Subtv','','0','[NULL]','subtv.katso.fi','0','32768','32768','32768','32768'
'7','7','7','1','seventh','YleTeema','','0','[NULL]','tma.katso.fi','0','32768','32768','32768','32768'
'8','8','8','1','eighth','Urheilukanava','','0','[NULL]','urh.katso.fi','0','32768','32768','32768','32768'
'9','9','9','1','ninth','YLE24','','0','[NULL]','y24.katso.fi','0','32768','32768','32768','32768'
'10','10','10','2','tenth','EuroNews','[NULL]','0','[NULL]','[NULL]','0','32768','32768','32768','32768'


# SELECT * FROM `channel_dvb`
#
'chanid','listingid','pids','freq','pol','symbol_rate','tone','diseqc','inversion','bandwidth','hp_code_rate','lp_code_rate','modulation','transmission_mode','guard_interval','hierarchy'
'1','1','512,650','578000','N','[NULL]','[NULL]','[NULL]','off','8','2_3','2_3','qam_64','8','8','none'
'2','2','513,660','578000','N','[NULL]','[NULL]','4','off','8','2_3','2_3','qam_64','8','8','none'
'10','3','2221,2233','11954000','H','27500000','0','4','auto','','3_4','3_4','qpsk','','',''

# SELECT * FROM `videosource`
#
'sourceid','name','xmltvgrabber','userid'
'1','television','tv_grab_fi',''
'2','satellite','tv_grab_nl',''

# the tv_grab_nl is just a dummy here, the television channels xmltv
should work though


-------------- next part --------------
Found 2 Xinerama Screens.
Using first Xinerama screen, 1024x768+0+0
connecting to backend server: 127.0.0.1:6543

Input #0, mpeg, from 'rbuf://127.0.0.1:6543/var/cache/mythtv//ringbuf1.nuv':
  Stream #0.0: Video: mpeg2video, 720x576, 25.00 fps, 3400 kb/s
  Stream #0.1: Audio: mp2, 48000 Hz, mono, 64 kb/s
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
Error opening audio device ():
No such file or directory
player: Can't open audio device:
OSD::LoadTheme(): Can't open: /usr/local/share/mythtv/themes///osd.xml
Couldn't load osdtheme:  at /usr/local/share/mythtv/themes//
Unable to find font:
No OSD will be displayed.
-------------- next part --------------
Starting up as the master server.
2003-09-02 21:33:34 DVBChannel: Changing to channel 10 on card 0
Using DVB card "STV0299/TSA5059/SL1935 based"
tuning DVB-S to L-Band:137368272, Pol:h Srate=27500000, 22kHz=off
polling....
Getting frontend event
FE_STATUS: FE_HAS_SIGNAL FE_HAS_LOCK FE_HAS_CARRIER FE_HAS_VITERBI FE_HAS_SYNC
Bit error rate: 3584
Signal strength: 44158
SNR: 49914
FE_STATUS: FE_HAS_SIGNAL FE_HAS_LOCK FE_HAS_CARRIER FE_HAS_VITERBI FE_HAS_SYNC
2003-09-02 21:33:34 SetPID:  2221 2233
2003-09-02 21:33:34 DVBChannel: Changing to channel 1 on card 1
Using DVB card "Philips TDA10045H"
tuning DVB-T (in United Kingdom) to 578000000 Hz
polling....
Getting frontend event
FE_STATUS: FE_HAS_SIGNAL FE_HAS_LOCK FE_HAS_CARRIER FE_HAS_VITERBI FE_HAS_SYNC
Bit error rate: 2546
Signal strength: 52171
SNR: 65021
FE_STATUS: FE_HAS_SIGNAL FE_HAS_LOCK FE_HAS_CARRIER FE_HAS_VITERBI FE_HAS_SYNC
2003-09-02 21:33:36 SetPID:  512 650
2003-09-02 21:33:36 Enabled verbose msgs : important general
2003-09-02 21:33:38 Found changes in the todo list.
2003-09-02 21:33:45 MainServer::HandleAnnounce Playback
2003-09-02 21:33:45 adding: media.lehdokki.net as a player 1
2003-09-02 21:33:45 MainServer::HandleAnnounce Playback
2003-09-02 21:33:45 adding: media.lehdokki.net as a player 0
2003-09-02 21:33:45 MainServer::HandleAnnounce Playback
2003-09-02 21:33:45 adding: media.lehdokki.net as a player 0
2003-09-02 21:33:45 adding: media.lehdokki.net as a remote ringbuffer
2003-09-02 21:33:45 Could not open audio device: open: Bad address
Changing from None to WatchingLiveTV
2003-09-02 21:33:45 filtering pids: 2221 2233
Audiostream: Layer: 1  Bit rate: free  Freq: 0.0 kHz
Videostream: ASPECT: 4:3  Size = 720x576  FRate: 25 fps  BRate: 3.40 Mbit/s


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