[linux-dvb] Re: DVD-Probs with v0.90

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

Jean-Claude REPETTO wrote:
> 
> ----- Original Message -----
> From: Matthias Weingart <matthias@pentax.boerde.de>
> To: <linux-dvb@linuxtv.org>
> Sent: Tuesday, August 07, 2001 6:23 PM
> Subject: [linux-dvb] Re: DVD-Probs with v0.90
> 
> > On Tue, Aug 07, 2001 at 06:08:07PM +0200, Klaus Schmidinger wrote:
> > > Jean-Claude Repetto wrote:
> > > >
> > > > ----- Original Message -----
> > > > From: "Frank Schneider" <f.schneider@mb-schneider.de>
> > > > To: <linux-dvb@linuxtv.org>
> > > > Sent: Tuesday, August 07, 2001 5:21 PM
> > > > Subject: [linux-dvb] DVD-Probs with v0.90
> > > >
> > > > > Hello,
> > > > >
> > > > > when I play a DVD i have all 10 Sec. horizontally flickers.
> > > > >
> > > > > I have vdr 0.90 and driver's from 03.08.2001
> > > > > I have an IDE DVD-LW.
> > > > >
> > > > > How can I solve it?
> > > > > Thank you .
> > > > >
> > > > >
> > > > It seems that you have the same problem as I have. Do you have also
> audio
> > > > drop-outs at the same time ? What CPU do you have ?
> > > > Please read my message sent to this list on 2 august, at 11:20 pm and
> look
> > > > at your CPU charge with the "top" utility.
> > > > There is a task, named "dvb_mon", that uses generally 0% CPU, but
> every 10
> > > > or 15 seconds it uses up to 40 or 50% CPU, and then the problems
> appears.
> > > > BTW, can somebody explain what exactly is the "Dvb_mon" task ?
> > > >
> > > > Best regards,
> > > >
> > > > Jean-Claude
> > >
> > > As far as I understand it 'dvb_mon' is the part of the DVB driver that
> > > does the channel tuning.
> > > I guess what's kicking in every now and then is the AFC function.
> > > See DVB/driver/dvb.c for details.
> >
> > Uuups, maybe vdr should disable channel tuning at all when playing dvd's?
> > With only one card and no EPG this should be possible. If vdr already
> > disabling this, try switch off background epg scanning. Maybe that will
> > solve your problem.
> >
> >         Matthias
> >
> 
> You are right. I've just commented out a line in vdr.c :
> //     EITScanner.Process();
> and now it is working perfectly (excepting small bugs).
> 
> Klaus, should it be possible to disable EIT scanning during DVD play ? This
> could be a compilation option, for owners of older PC (I have a Pentium 200
> MMX).

The EIT scanner is automatically turned off during replay (but only for the
card that actually does the replay). See cDvbApi::SetModeReplay():

     if (siProcessor)
        siProcessor->SetStatus(false);

How many cards do you have in your system?

Klaus
-- 
_______________________________________________________________

Klaus Schmidinger                       Phone: +49-8635-6989-10
CadSoft Computer GmbH                   Fax:   +49-8635-6989-40
Hofmark 2                               Email:   kls@cadsoft.de
D-84568 Pleiskirchen, Germany           URL:     www.cadsoft.de
_______________________________________________________________


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