[mythtv-users] Appropriate video modes for widescreen TV-out

[Doug Larrick]

Nigel Metheringham wrote:
> I feel like I am missing some of the fundamentals on how the TV-out
> works on video cards - is it directly affected by modelines, or is it
> basically doing something a bit on its own so only partially affected by
> the modelines (ie resolution set by modeline, but the scan rates etc
> done elsewhere)?  I'd really appreciate any pointers to basic
> information on this.
>
> The specific problem I have is getting an appropriate X config for a
> NVidia GeForce MX4000 driving a UK PAL-I widescreen TV through SVideo
> (initially - I may move to direct VGA->RGB/SCART if the quality via
> SVideo is grotty).  Ideally I want to run the beast as widescreen with
> the right sort of aspect ratios.

S Video is not ideal for widescreen -- doesn't carry aspect ratio info.
 Better off using SCART (or VGA->composite/RGB) to begin with.  You
should be able to use your set's widescreen modes to test with, though.

-Doug
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