[Mplayer-dev-eng] Matrox dualhead and syncfb.

[Felix Buenemann]

On Dienstag,  1. Mai 2001 21:59 you wrote:
> On Tue, 1 May 2001, Felix Buenemann wrote:
>
> .....
>
> > I work the other way around, I lower picture height instead of stretching
> > image width, so on 16:9 you will have 720x405 (dunno how you come onto
> > 960x576 fo me the other way around it's 1024x576).
> > But most anamorphic dvds seems to need -aspect 1,85, ie. 6th Sense DVD I
> > own is 1,85:1 and fully streched onto height of 576 and The Matrix is
> > 2,35:1 but has Black Bars so 1,85:1 is also correct setting.
> > Of course in windowed mode it may look wrong if your res is not 4:3 (ie
> > 1280x1024) currently at least SDL driver doesn't care about that in
> > windowed mode but does in fullscreen (-vm), anyway fullscreen function of
> > sdl needs rewrite to correctly cope with -zoom -vm and -fs mode, maybe
> > I'll change aspect awareness for non 4:3 res for windowed, too.
>
> 	Well, 960 = 16/9 / (4/3) * 720, that is I was considering aspect
> ratio of my screen (1600x1200). But anyway, how can I get wider
> images? That is if I have 1600x1200 resolution when I want to play a DVD
> that is 16:9 I should make it follow a 4:3 ratio, because my screen change
> it to 4:3*4:3 = 16:9, I'm right? I'm really puzzled now ...
>
-aspect switch should only care for video size not for screen res (that's 
done by vo plugin), so I calculate aspect by 9:16 = 0.5625 * 720 = 405 
(->720x405) or the other way around 16:9 = 1.7777777777 * 576 = 1024 
(1024x576), if you devide 720/16 and 405/9 you both get 45 and for 1024/16 
and 576/9 you get both 64. I think this is correct, but maybe I'm mistaken :)
(I repeat screen sapect should be taken care of by output plugin as it 
decides target resolution).

> 	- german
>

-- 
Best Regards,
   Felix

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