[MPlayer-cygwin] Re: mplayer postprocessing makes things worseinstead of better?

[Felix Buenemann]

On Friday 26 December 2003 09:30, Frodo hobbit wrote:
> >I'd think this is probably caused by the automatic black/white calibration
> >of
> >the postprocessing filters.
>
> So you're saying this is normal??
> Why would anyone use postprocessing if it only makes things worse?
> This is not just happening on 1 filter. I tried dering, auto levels,
> horizontal and vertical blocking
> auto quality and each and every one shows these artifacts. Although some
> are more visible then others.
actually it should only happen from auto levels, which is also activated on 
-autoq.

> >By changing the black level you may also see more artifacts which would
> >othereise blend in with the gamma of your crt.
>
> no no no, these artifacts are not in the orginal movie. I looked @ the
> original movie with
> virtualdub and there's absolutely no artifact there. Its perfectly black.
>
> if you gotta place, then I can upload the sample (7.8 meg) which shows it
yes, please do, check the MPlayer-Bugreporting howto in mplayers documentation 
(also available on the website) and then upload as described there to mplayer 
ftp.

>
> Frodo
>
>
> From: Felix Buenemann <atmosfear at users.sourceforge.net>
>
> >Reply-To: Win32/CygWin porting <mplayer-cygwin at mplayerhq.hu>
> >To: mplayer-cygwin at mplayerhq.hu
> >Subject: Re: [MPlayer-cygwin] mplayer postprocessing makes things
> >worseinstead of better?
> >Date: Fri, 26 Dec 2003 03:20:13 +0100
> >
> >On Thursday 25 December 2003 13:21, Frodo hobbit wrote:
> > > So I went back to 1.0pre2 and that works
> > > However i was quite surprised to see that turning on postprocessing
> >
> >makes
> >
> > > things worse!
> > > If you turn up the brightness of your monitor a lot and play a movie
> >
> >with
> >
> > > for example
> > > -vop pp -autoq 6 or with -vop pp=hb:a/vb:a then watch the black dark
> >
> >areas
> >
> > > carefully
> > > you'll notice that there are serious artifacts in those black areas.
> > > Without postprocessing
> > > they are perfectly black!
> >
> >I'd think this is probably caused by the automatic black/white calibration
> >of
> >the postprocessing filters. By changing the black level you may also see
> >more
> >artifacts which would othereise blend in with the gamma of your crt.
> >--
> >Best Regards,
> >         Atmos
> >____________________________________________
> >- MPlayer Developer - http://mplayerhq.hu/ -
> >____________________________________________
> >
> >_______________________________________________
> >MPlayer-cygwin mailing list
> >MPlayer-cygwin at mplayerhq.hu
> >http://mplayerhq.hu/mailman/listinfo/mplayer-cygwin
>
> _________________________________________________________________
> Chatten met je online vrienden via MSN Messenger. http://messenger.msn.nl/
>
> _______________________________________________
> MPlayer-cygwin mailing list
> MPlayer-cygwin at mplayerhq.hu
> http://mplayerhq.hu/mailman/listinfo/mplayer-cygwin

-- 
Best Regards,
        Atmos
____________________________________________
- MPlayer Developer - http://mplayerhq.hu/ -
____________________________________________