[MPlayer-cvslog] r23805 - trunk/configure

Attila Kinali attila at kinali.ch
Fri Jul 20 13:19:28 CEST 2007

On Thu, 19 Jul 2007 10:08:52 +0300
Uoti Urpala <uoti.urpala at pp1.inet.fi> wrote:

> On Wed, 2007-07-18 at 18:17 +0200, Diego Biurrun wrote:
> > No, the vo drivers are ordered by speed.  This has been done on purpose.
> > Trust me, I was there back in the days.
> I don't see what particularly relevant experience you could have. How
> much better mga_vid works on those cards to which it is applicable?

mga_vid is the fastest way to play videos on matrox g200-g550 cards
in generall. On dual cpu machines Xv might be faster (last time
i tried it was, but i don't have a dual cpu machine anymore).

> Maybe it does but as long as it requires creating a special device
> configuring MPlayer too should not be too much to ask. How large a
> portion of users would benefit from it? That kind of information doesn't
> stay valid over time.

The reason why mga_vid is faster than Xv is that it avoids one
memcpy by directly copying into the graphics card memory instead
of first copying into the x server memory and then into the card
memory. This makes, depending on video resolution and cpu a
difference between 1% and 5%.

> > Absolutely.  This is how all of the binary packages work.
> Seems silly to me. Even if there was a good reason to always try mga_vid
> first (which I don't think there is) then it would still at least make
> sense to make it go out of the way quietly when it won't work.


				Attila Kinali

Praised are the Fountains of Shelieth, the silver harp of the waters,
But blest in my name forever this stream that stanched my thirst!
                         -- Deed of Morred

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