[linux-dvb] Re: Pinnacle PCTV HD Pro Stick

Markus Rechberger mrechberger at gmail.com
Tue Dec 5 01:03:41 CET 2006


Chris,

so the _current_ driver works fine with your device? (firmware_v4 is
available again,
http://konstantin.filtschew.de/v4l-firmware/firmware_v4.tgz)

Markus

On 12/4/06, Chris Lawrence <lordsutch at gmail.com> wrote:
> Erik Meitner wrote:
> > I gave the tuner a poke:
> >
> > $ scan -n -o zap -p
> >
> /usr/share/doc/dvb-utils/examples/scan/atsc/us-ATSC-center-frequencies-8VSB
> > scanning
> >
> /usr/share/doc/dvb-utils/examples/scan/atsc/us-ATSC-center-frequencies-8VSB
> > using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
> > >>> tune to: 57028615:8VSB
> > WARNING: filter timeout pid 0x0000
> > WARNING: filter timeout pid 0x1ffb
> > >>> tune to: 63028615:8VSB
> > WARNING: >>> tuning failed!!!
> > >>> tune to: 63028615:8VSB (tuning failed)
> > WARNING: >>> tuning failed!!!
> > >>> tune to: 69028615:8VSB
> > WARNING: >>> tuning failed!!!
> > >>> tune to: 69028615:8VSB (tuning failed)
> > WARNING: >>> tuning failed!!!
> > >>> tune to: 79028615:8VSB
> > ERROR: interrupted by SIGINT, dumping partial result...
> > dumping lists (0 services)
> > Done.
>
> In my experience, you will get the "tuning failed" messages on
> frequencies that don't have an ATSC channel on them... it takes 5
> minutes or so to scan through all of the ATSC frequencies.  You can
> watch the signal lock progress by running femon in a separate shell.
>
> The 'filter timeout' messages are probably the result of a too-weak
> signal.  Using a real UHF antenna will probably help.  (I use the
> Zenith "Silver Sensor" indoors at home, and while it's not all that
> portable it'll grab a signal much better than the "car aerial"
> VHF-style omnidirectional antenna included with the Pro Stick.)
>
> If you're feeling ambitious, you can save some time and comment out
> the digital frequencies that aren't used in your area within
> /usr/share/doc/dvb-utils/examples/scan/atsc/us-ATSC-center-frequencies-8VSB.
>   I believe they are in order from channel 2-69.  You'll also need to
> know the real channel numbers of the digital streams (you can get
> these by looking up the stations in Wikipedia).  Granted, that's a lot
> of work to save five minutes... but if you're trying to orient an
> antenna it might be worth the trouble :)
>
> The digital tuner now works pretty well for me, although I get a lot
> of annoying audio pops and video hiccups when using xine -V xv or xine
> -V xvmc (they go away with xine -V xshm, but that pegs the CPU at 90%
> on my old-school 1.87GHz Pentium M laptop).
>
>
> Chris
>
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>


-- 
Markus Rechberger



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