[mythtv-users] Radeon or fglrx?

Robin Hill myth at robinhill.me.uk
Mon Jul 10 12:57:40 UTC 2006


On Mon Jul 10, 2006 at 11:44:48AM +0100, Robin Neatherway wrote:

> On 7/10/06, Robin Hill <myth at robinhill.me.uk> wrote:
> > Actually, this is a reason you _can't_ use the fglrx drivers - they
> > don't let you force the dotclock low enough to output direct to TV.
> > I've been using the radeon driver for over a year now and haven't had
> > any problems - the new OpenGL-based menus work fine and CPU load is
> > pretty reasonable.
> 
> I hear that conventional TV-out doesn't work with the radeon driver,
> is that the case? I would really like to get away from fglrx as it's
> really unreliable. With the vga to scart, how much do they cost and
> how difficult are they to get going? I guess the picture quality would
> be higher than composite?
> 
I'm not sure about the conventional TV-out as I've not tried it.  I'm
pretty sure they merged in the TV-out stuff from the Gatos project
though, so it should work now.

I've also no idea how much they cost as I made one up myself - the parts
worked out well under a fiver (I had a spare monitor cable so didn't
need to get that, but that shouldn't push the price up much).

How easy it is to get going depends on whether the modelines available
work for your TV - I had a few problems getting hold of working
widescreen modelines.  Once it's working then the quality is superb -
I can't tell any difference in quality between TV via Myth and direct.
I do have some issues with scaling interlaced video, as I use a lower
resolution for videos to avoid overscan (otherwise sometimes I lose
subtitles), but enabling deinterlacing fixes that.

HTH,
        Robin

-- 
     ___        
    ( ' }     |       Robin Hill        <myth at robinhill.me.uk> |
   / / )      | Little Jim says ....                            |
  // !!       |      "He fallen in de water !!"                 |
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