[linux-dvb] Close tzap and cannot lock frequency anymore?

Chun Chung Lo cclo at astri.org
Wed Oct 18 12:52:40 CEST 2006


Hi all,

So ... What is the solution / answer of my question ?

I do not understand what you are talking about. Are they related to my
question?

Thanks

Best regards,
Lo Chun Chung

-----Original Message-----
From: linux-dvb-bounces at linuxtv.org
[mailto:linux-dvb-bounces at linuxtv.org] On Behalf Of hermann pitton
Sent: Wednesday, 18 October, 2006 9:40 AM
To: Manu Abraham
Cc: linux-dvb at linuxtv.org
Subject: Re: [linux-dvb] Close tzap and cannot lock frequency anymore?


Am Mittwoch, den 18.10.2006, 02:39 +0200 schrieb hermann pitton:
> Am Mittwoch, den 18.10.2006, 04:01 +0400 schrieb Manu Abraham:
> > hermann pitton wrote:
> > > Am Dienstag, den 17.10.2006, 02:16 +0200 schrieb hermann pitton:
> > >> Am Montag, den 16.10.2006, 22:14 +0400 schrieb Manu Abraham:
> > >>> Chun Chung Lo wrote:
> > >>>> Hi all,
> > >>>>
> > >>>> I wonder during I am capturing TS stream by using a DVB-T card
> > >>>> (Compro Videomate T300) in a Linux PC (2.6.16-18), I followed
> > >>>> the instructions shown in linuxtv-dvb-apps and run tzap and
> > >>>> capture TS.
> > >>>>
> > >>>> Because I think all the parameters are written into the
> > >>>> hardware of the tuner, and the tzap also shown FE_HAS_LOCKED,
> > >>>> so I think I have no need to keep polling the tuner and I
> > >>>> switched off tzap.
> > >>>>
> > >>>> But when I switched off tzap, I found that my TS capturing is
> > >>>> stoped! (I found that some TS data is missing in the captured
> > >>>> TS file.) But when I keep tzap running, no such problem occur.
> > >>>
> > >>> When you stop *zap, the default behavior of dvb-core is to
> > >>> switch off the frontend after a predefined period of time, to
> > >>> save power. So what you are seeing is the default behavior. If
> > >>> you want to turn OFF this behavior, you can use the module
> > >>> parameter dvb_shutdown_timeout=0 to dvb_core, such that this
> > >>> feature is disabled.
> > >>>
> > >>>
> > >>> Manu
> > >>>
> > >> Hi Manu,
> > >>
> > >> it seems there has been a reason, when Johannes asked Gerd on
> > >> 2.6.12 to take care for his own stuff ...
> > >>
> > >> That above won't work, AFAIK.
> > >
> > > Sorry for insufficient testing.
> > >
> > > Just timeout=0 didn't the expected. Setting a time interval
> > > prevents also the tuner_sleep and switching back to analog mode.
> > >
> >
> > modinfo dvb_core |grep timeout
> >
> > parm:           dvb_shutdown_timeout:wait <shutdown_timeout> seconds
> > after close() before suspending hardware
> > parmtype:       dvb_shutdown_timeout:int
> >
> >
> > Manu
> >
>
> Thanks for the friendly reply !
>

To make it short.

The Pinnacle 300i would be broken until now,
if not Hartmut finally took a step on the digital.

And without excellent and patient users!

Both, for analog and digital.

Hermann




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