[linux-dvb] Re: VDR cant tune to channels (dvb-t)

[Klaus Schmidinger <Klaus.Schmidinger@cadsoft.de>]

Dave Collett wrote:
> 
> Hi all,
> I have a nova-t dvb card.
> vdr does not display any channels, all I get is a blank screen (menus
> (OSD) works fine). It is as if vdr cannot tune to the channels. The card
> works fine with all other tuning applications I have tried, eg. tzap,
> dvbtune etc. And I get perfect video with the latest mplayer and xine
> which include dvb support (these apps can tune and display channels
> correctly).
> 
> I have done a little research and it seems others have had similar
> problems. Some posts suggested to try tuning the card with dvbtune
> before starting vdr. If I do this i CAN get the channel that dvbtune
> just tuned to. But I cant get any others.
> 
> /var/log/syslog displays the following when I change channel:
> 
> Sep 10 20:11:06 timmy vdr[2170]: switching to channel 5
> Sep 10 20:11:06 timmy vdr[2206]: transfer thread ended (pid=2206)
> Sep 10 20:11:07 timmy vdr[2207]: receiver thread ended on device 1
> (pid=2207)
> Sep 10 20:11:07 timmy vdr[2170]: buffer stats: 0 (0%) used
> Sep 10 20:11:07 timmy vdr[2208]: transfer thread started (pid=2208)
> Sep 10 20:11:07 timmy vdr[2174]: ERROR: frontend 0: Invalid argument
> Sep 10 20:11:07 timmy vdr[2209]: receiver thread started on device 1
> (pid=2209)
> 
> /var/log/messages:
> Sep 10 20:11:06 timmy vdr[2170]: switching to channel 5
> 
> Before I delve into the code to try and diagnose this "Invalid
> arguement" error, has anyone encountered this problem, or have any
> suggestions?

Do you get any log messages saying that no device with an MPEG decoder
was found?

VDR needs a full featured DVB card, otherwise you'll need to install
a plugin that redirects replay to somewhere else (like the new Xine
plugin).

Klaus


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