[mythtv-users] DisplaySize = Full ?

Nick Rout nick.rout at gmail.com
Sun Oct 24 07:14:52 UTC 2010


On Sun, Oct 24, 2010 at 7:15 PM, Nick Rout <nick.rout at gmail.com> wrote:
> On Sun, Oct 24, 2010 at 6:59 PM, mike at grounded.net <mike at grounded.net> wrote:
>>> 2 cards, that's the missing part of the question!
>>
>> There's only one card in the system for video output which is the nvidia.
>> I use a scan converter on the VGA side and the card has an HDMI port.
>> On the vga side, there's not much requirement other than setting it to what ever standard composite is usually set to.
>> When using the HDMI port, I may sometimes want to switch between resolutions.
>>
>
> sorry i misread your last post, one card two outputs, gotcha. Comes of
> trying to cook at the same time, kick the dog out of the kitchen and
> converse with an 11 year old dyspraxic whilst listening to my in house
> jazz singer emulate tom waits.
>
>>> With two cards you can have two resolutions for sure. You will have
>>> two frontends runnig of course. One card with two outputs is more
>>> tricky and depends on the card.
>>
>> I won't have two cards, can't anyhow, not enough slots in the box I'm using.
>>
>
> Have you read the nvidia readme?
>
> Heres the start of Chapter 15 on mine:
>
> Chapter 15. Configuring Multiple X Screens on One Card
> ______________________________________________________________________________
>
> GPUs that support TwinView (Chapter 13) can also be configured to treat each
> connected display device as a separate X screen.
>
> While there are several disadvantages to this approach as compared to TwinView
> (e.g.: windows cannot be dragged between X screens, hardware accelerated
> OpenGL cannot span the two X screens), it does offer several advantages over
> TwinView:
>
>   o If each display device is a separate X screen, then properties that may
>     vary between X screens may vary between displays (e.g.: depth, root
>     window size, etc).
>
>   o Hardware that can only be used on one display at a time (e.g.: video
>     overlays, hardware accelerated RGB overlays), and which consequently
>     cannot be used at all when in TwinView, can be exposed on the first X
>     screen when each display is a separate X screen.
>
> --=----------------------------
> The readme should be included in the packaging by your distro for the
> nvidia drivers.

I should also say that distributing your SD video by your suggested
method will give the worst possible result in terms of quality.


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