[mythtv] G400 and TV Out (again)

Russell Hatch mythtv-dev@snowman.net
Tue, 3 Dec 2002 10:21:58 -0500


Well, I guess its finally good to have a (mostly) definitive answer.
Thanks. I  guess it's time to start looking for a nvidia card that has tv
out.

Russ

----- Original Message -----
From: "Shawn Pearce" <spearce@spearce.org>
To: <mythtv-dev@snowman.net>
Sent: Tuesday, December 03, 2002 1:48 AM
Subject: Re: [mythtv] G400 and TV Out (again)


> Is anyone aware that the chip that performs the colorspace (YUV->RGB)
> conversions needed for the XVideo extension, as well as any hardware
> scaling is the same chip that does the TVOut?  And it can't do
> both the YUV->RGB and TVOut?  And no, you can't do YUV->YUV direct.
> Nice try.  :-)
>
> Basically with the G400 you can't ask it to do YUV->RGB->YUV in
> hardware... no matter how you configure the TVOut device and which
> RAMDAC its attached to (primary or secondary).
>
> In Windows its currently that believed Matrox does the YUV->RGB in
> software, allowing the hardware to do RGB->YUV out to the TVOut...
> but this is only speculation.
>
> So I don't think this is going to possible anytime soon.
>
>
> Russell Hatch <lichen@cfl.rr.com> wrote:
> > Does the tv out work on both heads?  I think i tried it on both but
wasn't
> > able to get it to work, I dont believe I tried making just the tv out
the
> > primary though.
> >
> > Russ
> >
> > ----- Original Message -----
> > From: "Emmett Pate" <emmett@epate.com>
> > To: <mythtv-dev@snowman.net>
> > Sent: Monday, December 02, 2002 11:26 PM
> > Subject: Re: [mythtv] G400 and TV Out (again)
> >
> >
> > > On Monday 02 December 2002 07:17 pm, Russell Hatch wrote:
> > > > I was just wondering how far people got with the TV Out on their
Matrox
> > > > G400 Dualheads since this was last discussed.
> > >
> > > Unfortunately, I haven't made any progress with the G400 either.  I
was
> > hoping
> > > to get the TV-OUT (on either head) to be the only output - so that the
> > > machine could boot, initialize the TV-OUT, and then start up MythTV.
> > >
> > > In the meantime, I just keep monitoring mythtv-dev (hoping for a
> > > breakthrough)...
> > >
> > > Emmett
> > >
> > > _______________________________________________
> > > mythtv-dev mailing list
> > > mythtv-dev@snowman.net
> > > http://www.snowman.net/mailman/listinfo/mythtv-dev
> > >
> >
> > _______________________________________________
> > mythtv-dev mailing list
> > mythtv-dev@snowman.net
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>
> --
> Shawn.
>
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