[mythtv-users] How do I disable a tuner

Michael T. Dean mtdean at thirdcontact.com
Sat Apr 30 05:14:11 UTC 2011

On 04/29/2011 04:04 PM, f-myth-users at media.mit.edu wrote:
>      >  Date: Fri, 29 Apr 2011 09:42:27 -0400
>      >  From: "Michael T. Dean"<mtdean at thirdcontact.com>
>      >  >  I am going to go to Input Connections section and change the Video
>      >  >  Source for the bad Capture Device to NONE.  Am i correct in assuming
>      >  >  that the  scheduler will not use/consider this device now.  This should
>      >  >  buy me time to fix the bad cable.
>      >  If you do that, things may work fine, now, but at any point in the
>      >  future, all of your MythTV Capture Cards/Video Sources/Input Connections
>      >  configuration may be broken (with no further action on your
>      >  part
> ...once again, do we know what exactly breaks... ? :)

No idea.  And, really, no one runs with that configuration.  Until 
someone who feels it's a good idea to configure MythTV to define things 
it can't use figures out what breaks, I will continue to say it's not a 
well-tested configuration.

>      >  	--meaning you have to delete everything (including all Video
>      >  Sources, which means you lose all your channel configuration), and
>      >  reconfigure everything.
>      >  Just delete the capture card.
>      >  >  If i delete the capture Card, won't it be more reconfiguration to
>      >  >  re-enable / test later? I suspect my problem is a bad cable not a bad
>      >  >  capture card.
>      >  Creating a capture card takes, literally, 5 seconds.  It does not affect
>      >  channels (which are stored in the Video Source).  It only requires you
>      >  to know your capture card type and device.
> Doesn't it mean it messes with the priorities if people depend on the
> order in which cards were created and may required deleting them all
> and recreating them?  (I know -you- will say it takes you 30 seconds
> flat to recreate all your cards, but you're ignoring the people who do
> this very rarely and may need to carefully write down and recreate
> them.)

Capture Card order has no relevance to recording input selection order.  
Capture Card order only affects Live TV input selection order and /only/ 
if you enable, "Avoid conflicts between Live TV and scheduled shows."

Input Connection order specifies recording input selection order.

And, whether you delete the Capture Card (which deletes the Input 
Connection) or you delete only the Input Connection, you lose that Input 
Connection order.

> [I still think it's a little weird that Myth uses the creation order,
> as opposed to something easier for a user to define and/or change, but
> that's a different topic.]

/me thinks what you're trying to say is, "I still think it's a little 
weird that no one (including me) has taken the time to sit down and 
write a UI to allow users to move cards and inputs up or down in the 
recording/Live TV input selection order."

While you can't do anything about the rest, you could do something about 
the "including me" part.


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