[MPlayer-dev-eng] unscaled OSD for overlay vos

Sascha Sommer saschasommer at freenet.de
Tue Jun 7 18:31:34 CEST 2005


Hi,

Am Montag, den 06.06.2005, 23:42 +0300 schrieb Ivan Kalvachev:
> On 6/5/05, Sascha Sommer <saschasommer at freenet.de> wrote:
> > Hi,
> > currently the overlay vos have a big disadvantage when rendering very
> > small videos in fullscreen because the scaled osd will look rather ugly.
> > Due to the nature of the overlay the scaled image can't be accessed.
> > Also displaying the osd in the black borders is not possible, when these
> > borders are part of the window and not part of the video image. I
> > therefore wonder if it wouldn't be possible to always render the osd
> > onto the window (over the colorkey). Other solutions?
> > What do you think?
> > 
> > Sascha
> 
> Yes It is possible and actually could even be faster as they will be
> drawed only once.
> The only problem is that we won't have the nice alpha fading.
> Also don't forget the check for colorkey support,blitters may need
> constant update ;)
> 

I did some tests with vidix meanwhile and I think it is always worth it
when we have the osd only drawn on the window. However I wasn't able
to get a stable osd without green flickering when it is drawn inside the
video. I'll try to create a similar test on windows later.

Sascha





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