[Mplayer-cvslog] CVS: main/libmpcodecs vf_scale.c,1.24,1.25

[D Richard Felker III]

On Sun, Sep 15, 2002 at 09:52:19PM +0200, Arpi wrote:
> Hi,
> 
> > > actually we should decide if speed or quality is more important
> > > 422p is better for quality and worse for speed, compared to yv12
> > > but if someone wants realy fast vo, he should force yvu9 :)
> > 
> > I was just saying there are certain cases where 422p is not
> > significantly better (scaling up) or not better at all (leaving height
> > alone and just scaling width, e.g. for fixing aspect). At least in the
> > latter case, it's a total waste of cpu time to use 422p.
> 
> hmm. did you ever tried it?
> 
> in vf_scale:
> 	if(fmt!=best) flags&=~VFCAP_CSP_SUPPORTED_BY_HW;
> 
> this will avoid doing nonsense yv12->422p.
> it will only prefer 422p if colorspace conversion is made _and_ the output
> device supports 422p.

Oh, 10l. :((

Rich