[mythtv-users] PVR-250 + pcHDTV, myth 0.16, initial setup problem bttv called with NTSC videomode

[Jarod Wilson]

On Sunday 31 October 2004 20:41, Wendy Seltzer wrote:
> At 02:19 PM 10/31/2004 -0800, glen martin wrote:
> >Thanks for the help.  This does in fact get me farther,
> >but I wouldn't say all is good at this stage.
> >
> >I use dtvsignal to set to a local HD station, then
> >start mythbackend.  Mythfrontend now connects and
> >displays a picture.
> >
> >however:
> >1) attempting to change channel to a NTSC station
> >   doesn't work.  The backend logs the following
> >   and returns to the previous station.
>
> I don't think anyone's gotten NTSC working off the pcHDTV card in
> Myth.

Not at the same time as using the card for ATSC, no. The problem is that one 
addresses capture cards in Myth by their device node. The pcHDTV cards have 
two device nodes, /dev/video32 or /dev/dtv0 for HD, /dev/video0 for SD. You 
can define both in Myth, but then Myth thinks there are two different cards, 
and scheduling havoc ensues...

> Maybe with the HD-3000... 

Shouldn't be much of any difference, the 3000 and the 2000 operate pretty much 
identically in this respect, so far as I know.

> One work-around is to set up two channel lineups, one with only HD for that
> card, another only SD for your other card.  Switch between the two with
> "y".

That's more or less what I do. I have a few cards exclusively for SD, and my 
HD-2000 exclusively for HD. (And an HD-3000 about to be ordered to add to the 
mix). Lucky me, 90% of what I actually watch is carried in HD OTA in Seattle, 
so there's really only two shows on cable my SD cards will be recording once 
I get a second HD card...

-- 
Jarod C. Wilson, RHCE
jcw at wilsonet.com

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