[vdr] Re: Experiences with patched VDR 1.2.x (was Re: [PATCH] Old descriptorh

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

Martin Holst wrote:
> 
> Christian Jacobsen wrote:
> > Hallo,
> >
> > >In my case, if a UPT-Error occur, I only get a disturbed picture and no
> > >restart. Have you added an EmergencyExit within remux.c if the UPT-Error
> > >occur?
> > >Nevertheless, I think there are different effects which trigger a
> > restart:
> > >- UPT-Error (if you added an EmergencyExit in remux.c)
> > >- video data stream broken
> > >and several other things. The first case is probably solved with the
> > patch
> > >and the second is (at least for me) solved with disabled EPG-scan (0 in
> > >settings/EPG).
> >
> > The second problem is maybe be the caused by Interferance between the
> > DVB-s cards (I am no expert - just my observations and thoughts ;)) - see
> > my mail "UPT-Error = interferance betw. DVB-s cards ?" - just send before
> > this.
> 
> This morning I noticed a "video data stream broken" even with disabled
> EPG-scan. So that doesn't help. :-( Nevertheless since 5 days I've no UPT-Error
> within live-view and several recordings. So I think my patch help us in that
> situation. Further tests will give us more information...
> 
> The "video data stream broken" occur on my machine (and on another with 2*
> DVB-s 1.3) since vdr 1.0.x on (only) the secondary card. So I don't know, how
> to track this in the source code.
> What is the difference between the primary and the secondary device-handling
> within VDR? I don't believe that the driver himself handle the cards in a
> different way.
> 
> Just another idea for fixing the "video data stream broken": At least on my
> machine, this error occur only if the secondary card is unused for a while.
> Is it possible, to trigger the EPT-scan after 30 Minutes or so?

It really shouldn't matter if the card is in use or how often
channels are switched or whether it is tuned to an actual channel
or not. The driver should be stable enough to handle this in any
situation. It can't be the task of an application to "pamper" the
driver in order to keep things stable.

So I strongly believe that this problem should really be fixed in the
driver!

> In that way,
> the card is in use. Next question: how long do vdr scan for EPG data? Only a
> few minutes or the whole day until the secondary card has to do something?

The EPG scan runs all the time while the secondary card is not used.

Klaus


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