[linux-dvb] Re: NEWSTRUCT doesn't tune

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

Robert Schiele wrote:
> 
> On Fri, Nov 08, 2002 at 10:20:32AM +0100, Frank Meyering wrote:
> > Hi,
> >
> > the problem occurs also with DVB-c cards. The first time I noticed the
> > problem was with driver snapshot from 20021022. Therfore I guess the
> > critical change was made in 21st October 2002. Older driver versions don't
> > have these problems, but they don't work with vdr-1.1.15 :-(.
> >
> > I added a line calling czap in the runvdr script. Since czap manages it
> > sooner or later to tune a channel this is a nice workaround. Please notice:
> > The problem occurs only direct after module initialisation. Once a channel
> > is tuned there is no problem further on. Also a vdr restart with loaded
> > driver causes no problem. But reloading the driver will cause trouble.
> > Sometimes czap reports a lock in the second line, sometimes it takes up to
> > 30 lines until it locks. Status is eiher "00" or "07", signal, snr, ber and
> > unc are changing randomly. I was not able to detect an algorithm or to
> > reproduce the same czap output twice (for example loading the driver direct
> > after a cold start and tuning "Das Erste" causes every time different
> > outputs).
> 
> I can approve that with Hauppauge DVB-C Rev. 2.1.  But as czap manages
> to tune, I am not absolutely sure, whether this is a bug in the driver
> or in the client application vdr.

Please make sure _all_ parameters are set correctly in the "Edit channel"
menu of VDR. By default VDR sets all special DVB-C and DVB-T parameters
to "auto", which may or may not be correct for any particular channel.

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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