[sllug-members]: pchdtv settings for utah comcast?

Jarom Hatch jshatch at azza.com
Thu Jul 6 12:30:05 MDT 2006


Brad Midgley wrote:
> Hey
> 
> Anyone else working with pchdtv?

Which pcHDTV are you using?  2000, 3000, 5500?

> Capture cards
>  "DVB DTV capture card (v3.x)"
>  (detects oren or51132 vsb/qam frontend subtype ats if backend is not
> running)
> 
> Video sources
>  zip2it
>  North America (DataDirect)
>  Data direct lineup: Comcast-cabledigital-digital rebuild-84003-u
>  channel frequency table: default
> 
> Input connections
>  [DVB:0] (dvbinput) -> zip2it
>  scan for channels
>   freq table: cable
>   atsc mod: cable (qam 128)
> 
> Scans never seem to find anything, but I can at least use tvtime to
> watch analog cable and I did manage to capture a little PBS hdtv a while
> back using some channel scanner thing that is not part of mythtv.

Have you used the command-line utilities to see if you can pick up
channels?  Try dtvscan and see if you find any channels.  Then try
dtvsignal and see what your signal strength is (ie, dtvsignal 44 to
check signal on ch 44).  finally do a "getatsc 44 > test.mpg" (or
whatever channel you last got a decent signal from with dtvsignal) and
wait for a second.  Then break out of that and try playing test.mpg with
mplayer.  If you see TV stuff then the capture card is working.  If not
there is something else wrong.

> When I choose to watch live tv from mythtvfrontend, the screen flashes
> and goes back to the menu. I can choose to record things but after
> they've aired, trying to watch anything shows the error "the file for
> this recording cannot be found"
> 
> Am I doing anything obviously wrong?

It took me a couple of tries to get it working properly with my pcHDTV
2000.  I'm pulling ATSC off the air, not cable.

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