[MPlayer-G2-dev] buffer age & slices: nasty problems

[D Richard Felker III]

On Thu, Jan 15, 2004 at 06:06:39PM +0100, Attila Kinali wrote:
> On Thu, 15 Jan 2004 12:00:55 -0500
> D Richard Felker III <dalias at aerifal.cx> wrote:
> 
> > > Do they give so much speed that it's worth this mess ?
> > > For me it looks like that there is a lot of overhead that
> > > is needed for proper slice handling that it eats a lot
> > > of the cpu time we got out of slices.
> > 
> > For just plain drawing, yes, it's huge. Having either slices or DR2
> > (or both) is absolutely required for a player that doesn't suck. On
> > the other hand, I have no idea if slices significantly improve
> > performance when real filtering is involved, since the extra code
> > coming into the cache to do the image processing might slow us down as
> > much as having the pixels in the cache speeds us up. I wish we had a
> > good way of knowing without spending tons of effort writing this ugly
> > mess...
> 
> In any case of doubt, go allways for the simplest aproach :)

Then G2 will be nice and slow like xine... :)

Rich