[linux-dvb] Re: VDR: Tuning stability

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

"Marcus O.C. Metzler" wrote:
> 
>  >
>  > I have uploaded a new version of ctest.c that incorporates Marcus' suggestion
>  > about polling the frontend until the tuner is ready. However, this didn't
>  > cure the problems...
>  >
>  > Klaus
> 
> You could try to stop the audio, video and teletext demuxes before
> setting the frontend. I am not sure if that helps, but I do it in the
> libdvb.

Added that (see the new ftp://ftp.cadsoft.de/pub/people/kls/ctest.c),
but the problem is still there :-(

> We are mainly running rtuxzap here and had no problems with
> it. It usually runs all day, unless we need to interrupt for testing.
> But we don't really zap at high speed.

Well, if I don't do a lot of channel switching in VDR, the problem
only occurs once or twice a day (caused by the EPG scanner's channel
switching). But I believe this should be stable enough to work even 
under heavy zapping load.

Maybe you could run a modified version of rtuxzap that switches
channels every few seconds, just like my ctest.c. I wonder If
it would also run into the same problems...

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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