[mythtv-users] master & slave backend - tuner on master to haveabsolute priority and how to setup ?

[Kevin Kuphal]

Robert Rozman wrote:

>
> ----- Original Message ----- From: "Kevin Kuphal" <kuphal at dls.net>
> To: "Discussion about mythtv" <mythtv-users at mythtv.org>
> Sent: Sunday, November 27, 2005 4:32 PM
> Subject: Re: [mythtv-users] master & slave backend - tuner on master 
> to haveabsolute priority and how to setup ?
>
>
>> Robert Rozman wrote:
>>
>>> Hi,
>>>
>>> I have master backend with pvr 350 with analog antenna. I've 
>>> recently added salve backend (Asus Digimatrix) with built in bttv 
>>> capture card with same antenna signal:
>>>
>>> - slave backend is not on all the time (it's mainly used for 
>>> frontend)...
>>> - I'd like to record always first on master tuner and then on slave 
>>> tuner
>>> - I'm not sure how to configure channels (they are same for both 
>>> cards - same antenna is connected) - I do have problems cause 
>>> defining same channels on both obviously doesn't work...
>>>
>>> I'd kindly ask for any help or pointers to more info how to setup 
>>> such system... I've read howto, but didn't extract such info..
>>
>>
>> It should be straightforward.  First, make sure you are using the 
>> *same* database for both the slave and master backends.  This is a 
>> common mistake to create a new database that the slave uses.  Once 
>> you have this set up, adding the slave capture card and binding the 
>> same channel source you created for the first capture card to the new 
>> capture card will allow both to schedule for the same channels 
>> without any additional work.  As long as the slave is on, it will be 
>> available for recordings.  Because it was added second to your 
>> database, it will naturally be of a lower priority than the first card.
>>
> Hi,
>
> thanks for info... I'm just curious - should I set up same channels on 
> both backends or is enough just once. Also how to distinguish between 
> Composite inputs on both systems ?
>
You don't need to set up two channel sources, when you run mythtv-setup 
on the slave backend to add the card, you will then be able to, from the 
Input Connections screen, match both tuner inputs to the same channel 
source.  The inputs will be labelled by tuner number so as not to be 
confusing.   This is described in the documentation at 
http://www.mythtv.org/docs/mythtv-HOWTO-9.html#ss9.3 by telling you to 
skip over "Video Sources" since you only need to define the source once 
to use it with both tuners.

Kevin

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