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

["Frank Meyering" <meyering@imst.de>]

VDR manages it, too. You have to switch the channel four or five times. vdr
logs three times each try, that a channel isn't locked with an increasing
panic level. Once the channel is locked it works nice.

Frank

-----Ursprungliche Nachricht-----
Von: linux-dvb-bounce@linuxtv.org
[mailto:linux-dvb-bounce@linuxtv.org]Im Auftrag von Robert Schiele
Gesendet: Freitag, 8. November 2002 12:44
An: Frank Meyering
Cc: linux-dvb@linuxtv.org
Betreff: [linux-dvb] Re: NEWSTRUCT doesn't tune


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.

Robert

--
Robert Schiele			Tel.: +49-621-181-2517
Dipl.-Wirtsch.informatiker	mailto:rschiele@uni-mannheim.de



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