[MPlayer-dev-eng] Re: will there be further development for matroxg450 cards?

[D Richard Felker III]

On Thu, Jun 03, 2004 at 06:31:22PM +0200, justin case wrote:
> > > a question to the developers regarding matrox g450 support:
> > >
> > > i've had enourmous trouble trying to get a matrox g450 to display video
> on
> > > the tv-out and found it actually not to be supported. tv-out worked via
> > > matroxfb but with ugly effects probably from lack of proper buffering (i
> got
> > > nasty "cuts" in the middle of the picture, looked like the next frame
> was
> > > overlapping..), so i found it to be unusable.
> >
> > The situation is no different with the g400. You have to use -vo mga,
> > not fbdev, and that means you have to put the primary head on the
> > tvout and the secondary junk one on the monitor. Or you can just
> > mirror the same (primary) to both heads and forget about the horrible
> > unaccelerated "fb1".
> 
> after a few days of researching the topic i figured, that only the g400 has
> proper tv-out support and that there is no way to get around the
> unaccelerated fb1 with the 450. i'd be happy if you'd correct me on this one
> ;)

The way you get around it is the same as on the g400: don't use it!
Instead use the accelerated fb0 and map it to the tv.

> what i actually read was that matrox had once given out specs for the g400
> and so tv-out became possible with that card, but the g450 works a bit
> different internally and matrox all of a sudden refused to help with specs
> for that card.

This is basically true but I don't think it matters for our particular
situation. However I've never used a g450 so I can't be sure.

> > BTW this belongs on -users, not -dev-eng.
> 
> my question was about further development so i want to ask the developers
> not the users.

Huh?

Rich