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

["Jean-Claude REPETTO" <jrepetto@francenet.fr>]

----- 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).

Thanks to all,

Jean-Claude






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