Re: Re: Re: PVR hardware selection help

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Mike Frisch (mfrisch@xxxxxxxxxx):

> > If you're using square pixels, fine.  When generating graphics for
> > TV you use 720x486 for NTSC.
> 
> What about overscan and such?  Wouldn't you typically lose some of
> this screen real estate on a typical consumer televsion set?

  Yes, so don't put anything too important along the edges.  Regardless,
when you're drawing pixels in the middle you want every sample to count
as much as possible.

> > And if you look at the nice antialiased text on CNN headline news,
> > you'll see that with good antialiasing your text doesn't need to be
> > so large or blocky.
> 
> Any idea what sort of libraries exist for 'drawing' AA text in Linux?

  Freetype?

> Is there direct support in the X APIs for this?

  Sure with the Render extension.

> I, like everybody else, am trying to build a Linux-based PVR, and am
> contemplating what to do with a high-grade UI.

  I'd love some support on this issue:

  http://www.redhat.com/mailing-lists/video4linux-list/msg05002.html

  I see the lack of reasonable TV output drivers as being critical for
building a PVR.

-- 
Billy Biggs
vektor@xxxxxxxxxxxx





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