[linux-dvb] Re: Problems after reloading vdr

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

Andreas Vitting wrote:
> 
> OK, you're right. I have used a wrong dir :-(

Glad to hear that - I really couldn't have imagined why it wouldn't
work for you...

> I think this patch worked also for setting the dolby pid error ??

May be, I'm not really sure. Let's keep an eye on this.
Anybody who has reported missing Dolby sound in recordings please
try using the patch and check if it helps.

Klaus

> Bye
> Andreas
> 
> -----Ursprüngliche Nachricht-----
> Von: linux-dvb-bounce@linuxtv.org
> [mailto:linux-dvb-bounce@linuxtv.org]Im Auftrag von Klaus Schmidinger
> Gesendet: Montag, 13. August 2001 17:58
> An: Linux-Dvb
> Betreff: [linux-dvb] Re: AW: AW: Re: Problems after reloading vdr
> 
> Andreas Vitting wrote:
> >
> > Additional comment:
> > your patch does not work for me (for the dmxdev.c). After 6 times the
> error
> > is logged again. If you stop and start w/o any time, the error appears
> > immediately.
> 
> Just tried it again: I have killed and restarted VDR 11 (eleven) times,
> and not _once_ had that error.
> 
> Are you sure you are actually using the patched driver?
> 
> Klaus
> 
> >
> > -----Ursprüngliche Nachricht-----
> > Von: linux-dvb-bounce@linuxtv.org
> > [mailto:linux-dvb-bounce@linuxtv.org]Im Auftrag von Andreas Vitting
> > Gesendet: Sonntag, 12. August 2001 21:54
> > An: Klaus Schmidinger
> > Cc: Linux-Dvb
> > Betreff: [linux-dvb] AW: Re: Problems after reloading vdr
> >
> > One further statement to this failure. If you waiting one-two seconds
> after
> > ending the vdr, all filters are freed from the dvb driver!!
> >
> > -----Ursprüngliche Nachricht-----
> > Von: linux-dvb-bounce@linuxtv.org
> > [mailto:linux-dvb-bounce@linuxtv.org]Im Auftrag von Klaus Schmidinger
> > Gesendet: Sonntag, 12. August 2001 13:58
> > An: dvb
> > Betreff: [linux-dvb] Re: Problems after reloading vdr
> >
> > Klaus Schmidinger wrote:
> > >
> > > Peter Seyringer wrote:
> > > >
> > > > Hello!
> > > >
> > > > I have a problem with the channel switching after reloading vdr.
> > > > If i have played a recorded scene and exit vdr with Strg-C and reload
> it
> > again and i can switch the channel but there are troubles with the picture
> > or sound. On some channels i get a picture but no sound on other i get the
> > sound of the last channel but no picture or i get the right picture but a
> > sound of an other channel.
> > > > After reloading the driver there is no problem. I think there is a bug
> > in the demux (?) lib and it is the same problem with the CAM after replay.
> > > >
> > > > My system is a fresh installation of the latest dvb driver and vdr
> > software, kernel version is 2.4.7 and my DVB-s Card is the new one.
> > >
> > > I also have observed this problem several times lately.
> > > Must be something they have changed in recent driver versions.
> > >
> > > Klaus
> >
> > I believe I found what's causing this. Apparently the filters were not all
> > released when an application ended, so after a few restarts all the 32
> > filters
> > were used up.
> >
> > Here's what I did in DVB/driver/dmxdev.c to cure this (don't know if this
> > really is a "fix" or just a "workaround" - maybe the driver developers can
> > say more about this).
> >
> > --- dmxdev.c.001        Fri Aug 10 08:28:24 2001
> > +++ dmxdev.c    Sun Aug 12 13:36:48 2001
> > @@ -394,7 +394,14 @@
> >         /* We used to return EINVAL here but resetting a free filter
> >             should be valid too. But since in this case there is nothing
> >             to do, just return */
> > -        if (dmxdevfilter->state<=DMXDEV_STATE_ALLOCATED)
> > +        /* Only return if the state is actually DMXDEV_STATE_FREE,
> > +           otherwise filters are not properly released when the
> > +           files are closed (i.e. when an application ends) and
> > +           after a few restarts of an application all the 32 filters
> > +           are used up. Maybe the check here should actually be
> > +           'if (dmxdevfilter->state==DMXDEV_STATE_FREE)'?
> > +           kls 2001-08-12 *///XXX
> > +        if (dmxdevfilter->state<DMXDEV_STATE_ALLOCATED)
> >                 return 0;
> >
> >         switch (dmxdevfilter->type) {
> > @@ -433,7 +440,11 @@
> >                 dmxdevfilter->feed.ts=0;
> >                 break;
> >         default:
> > -               return -EINVAL;
> > +               /* due to the above change it can happen that filters with
> > type==0
> > +                  get through here, which shouldn't be considered an
> error.
> > +                  kls 2001-08-12 *///XXX
> > +               if (dmxdevfilter->type != 0)
> > +                      return -EINVAL;
> >         }
> >         dmxdevfilter->buffer.pwrite=dmxdevfilter->buffer.pread=0;
> >          return 0;

-- 
_______________________________________________________________

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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