[vdr] Re: SysFS Support

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

Helmut Auer wrote:
> 
> Hi Ulrich,
> 
> >Hi,
> >
> >I just had a look:
> >I have kernel 2.6.0 (SysFS enabled) and there is indeed no /proc/video but
> >vdr (1.2.6) runs just fine...
> >...
> >Hm wait now that i think about it, i cannot use xawtv (or such) to bring the
> >vdr picture to my vga card since i upgraded to 2.6.0 also the SVDRP GRAB
> >command does not work....
> >Could this be related?!
> >
> Exactly - on my 1.2.6 system vdr crashes when the grab command was send.
> Maybe different compilers are causing different results when executing
> an fclose(NULL).

Where exactly is it that VDR 1.2.6 does an fclose(NULL)?

The check in /proc/video/dev/videoN is done in order to determine
which video device is the first DVB devce, so that the GRAB command
can access the right one. So even if VDR 1.3.4 doesn't crash, it doesn't
mean that it will find the right DVB device in an installation where there
are other video devices _before_ the first DVB device. So your patch
may well be necessary in VDR 1.3.x.

Klaus


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