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

hermann pitton hermann-pitton at arcor.de
Wed Oct 18 00:47:32 CEST 2006


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.

Thanks,
Hermann








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