[mythtv-users] Adding another tuner to Mythbuntu 10.04 running .23-fixes

[Brent Bolin]

On Wed, Jun 30, 2010 at 9:30 AM, Michael T. Dean
<mtdean at thirdcontact.com> wrote:
> On 06/30/2010 07:14 AM, Brent Bolin wrote:
>>
>> I had a small snafu happen when I tried to add the additional card so
>> I aborted adding the 4th physical card and just used my existing 3
>> cards.
>>
>> Fixed the snafu on the 4th card and then added it to the system
>> without problems.
>>
>> I've labeled the card when configuring capture cards by identifying
>> the chip set it finds.  Dvico or pcHD5500.
>>
>> Don't know for sure witch card slot is the actual tuner because I have
>> 2 sets of chip sets I'm dealing with.  I would guess it's based on the
>> PCI/PCe slot that each card is installed in.
>>
>
> Device initialization in modern GNU/Linux is done asynchronously, meaning
> that device nodes will change numbers on consecutive boots.  When you have
> multiple different capture cards and need them configured differently for
> MythTV, you need to use either udev or module options to control device
> numbering so that it's static for MythTV.
>
>> I can say for sure that the card labels I entered don't match the true
>> card name.  The reason I say this is because when I hit one of the
>> programed keys on my remote to display signal strength(alt-f7) it
>> shows signal levels of the card marked "Dvico 1".
>>
>> Dvico cards do not support signal strength option.
>>
>
> See above...
>
>> So to get at least the card type correct I might "delete all" and try
>> to re add them.
>>
>
> That would work until you reboot...  ;)
>
>> I have another question in regards to virtual/multirec settings.
>> Currently just used the default option of 2 for each card.  All of my
>> recordings are being done OTA.  I have at least 3 stations doing
>> multiplexed broadcasts.
>>
>> For a test I started recording 4 shows from the same multiplexed
>> broadcast.  2 recordings went to one card and 2 recordings went to
>> another card.  Wouldn't it be best for me to change the virtual number
>> of each of these cards to the maximum(4) number of multiplexed
>> broadcasts for my area?
>>
>> I don't use any input priorities.
>>
>
> If your system can handle scheduling for 4x4 inputs and recording on 16
> inputs simultaneously, then, yes.  The reason for that option is to allow
> you to choose the configuration your system can handle (as performance is
> non-linear with additional multirec inputs).

Does performance drop if their just configured, or if their in use?

>
> Mike
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