[MPlayer-dev-eng] Software scaler regression

[Michael Niedermayer]

Hi

On Monday 03 November 2003 01:31, Matthias Wieser wrote:
> Hi,
>
> Am Montag, 3. November 2003 01:01 schrieb Michael Niedermayer:
> > > Between Oct. 12 and Oct. 26 changes went in that made
> > > - sws 1 produces errors when you scale to n*8+x  (1)
> >
> > cant reproduce
>
> Did you try scale=412:352 ?
yes, but with -vo xv not -vo png
fixed

>
> > > - all software scaler produce worse colors than before (2)
> >
> > ur comparission is flawed, u cant compare the unscaled yuv->rgb
> > converter against the scaled one
>
> I did compare the scaled one from Oct. 12 to the scaled one from Oct. 30
> The newer mplayer produces slightly more reddish images.
>
> > i suggest that u run the scaler several times in
> > a row to check if there is a worse color drift than before
>
> Thanks, but I did that, too.
> After one scaling you nearly can't see the color drift.
> After four scalings the color drift is worse than before.
hmm, yes, but it only happens with -vo png, neither -vo x11 nor xv produce 
that effect, ill investigate that further tomorrow ...

[...]
-- 
Michael
level[i]= get_vlc(); i+=get_vlc();		(violates patent EP0266049)
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