Re: Close tzap and cannot lock frequency anymore?

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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 !

Hermann



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