[vdr] Use FF Card only as output device

[Patrick Maier]

Hi Klaus,
>> my DVB-S FF card broke down those days. I think it's the tuner of the 
>> card,
>> So is it possible to use the Tuner of the buget card and use the broken 
>> FF
>> card only as display device and tell the system not to use the broken 
>> tuner?
>
> You could insert the lines
> [...]
> at the beginning of cDvbDevice::ProvidesSource().

Cool. Works great (except for some distortions for the first two seconds 
when switching the channels, but this is ok for me :-) [I still use VDR 
1.5.18]

Thanks a lot
Patrick