[vdr] sparse DVB adapter numbers

Patrick Rother krd-vdr at gulu.net
Mon Mar 23 15:39:43 CET 2009


On Sun, Mar 22, 2009 at 02:21:07PM +0100, Klaus Schmidinger wrote:
> On 21.03.2009 14:17, Artur Skawina wrote:
> > Patrick Rother wrote:
> >> For a reason not to go in details too much here, I would like to make
> >> vdr recognise sparse DVB adapter numbers.
> >>
> >> I have:
> >>
> >> root at vdr:/dev/dvb# ls -l
> >> total 0
> >> drwxr-xr-x 2 root root 200 Mar 19 11:59 adapter0/
> >> drwxr-xr-x 2 root root 120 Mar 19 11:59 adapter1/
> >> drwxr-xr-x 2 root root 120 Mar 19 11:59 adapter5/
> >> drwxr-xr-x 2 root root 120 Mar 19 11:59 adapter6/
> >> drwxr-xr-x 2 root root 120 Mar 19 11:59 adapter7/
> >> root at vdr:/dev/dvb# 
> >>
> >> But vdr uses only the first two devices.
> >>
> >> Is there any easy possibility to patch the code accordingly?
> > 
> > ./vdr -D 0 -D 1 -D 5 -D 6 -D 7
> 
> I'm afraid this won't work, because VDR stops scaning for DVB devices
> as soon as it hits a gap.
> 
> You might want to try changing this function:
> 
> bool cDvbDevice::Initialize(void)
> {
>   int found = 0;
>   int i;
>   for (i = 0; i < MAXDVBDEVICES; i++) {
>       if (UseDevice(NextCardIndex())) {
>          if (Probe(*cDvbName(DEV_DVB_FRONTEND, i))) {
>             new cDvbDevice(i);
>             found++;
>             }
>          else
>             NextCardIndex(1); // skips this one  <=========== changed line
>          }
>       else
>          NextCardIndex(1); // skips this one
>       }
>   NextCardIndex(MAXDVBDEVICES - i); // skips the rest
>   if (found > 0)
>      isyslog("found %d video device%s", found, found > 1 ? "s" : "");
>   else
>      isyslog("no DVB device found");
>   return found > 0;
> }
> 
> Untested, don't know if it will actually work as expected.

I will test this and let you know.

Thank you!
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