[MPlayer-dev-eng] libvo/yuv2rgb error or my fault!?

Nick Kurshev nickols_k at mail.ru
Fri Nov 2 17:53:20 CET 2001


Hello, David!
On Fri, 02 Nov 2001 17:31:56 +0100, you wrote:

> Nick Kurshev wrote:
> 
> >Hello, Arpi!
> >On Fri, 2 Nov 2001 18:15:21 +0200 (CEST), you wrote:
> >
> >>Hi,
> >>
> >>>yuv2rgb_init( 24, MODE_RGB );
> >>>
> >>>Cannot init MMX colorspace transform
> >>>No accelerated colorspace conversion found
> >>>
> >>>First of all, configure tells me I have mmx, mmx2, sse and some other 
> >>>
> >>24bpp conversion code not accelerated/optimized. use 32bpp...
> >>...or ask Nick or Michael to optimize it :)
> >>
> >Currently - I'm back to vo_vesa so I will be on optimization later ;)
> >
> I've been in this 32 vs 24 bpp discussion before, some say 32bpp is much 
> faster since it's easily handled by two 32bit registers and some say 
> that is not true anymore. What is your opinion on this? Should I switch 
> to 32bpp or just wait for you to optimize the code?
If you are delevoping mplayer's pluging then you should ignore optimization
of mplayer's part since in the future every part will be optimized, I hope.

> Is conversion to 16bpp much faster than 32/24? Then this will be an 
I guess that yuv_to_rgb24 will be fastest convertor against yuv_to_rgb32
and yuv_to_rgb16.
> option in my plugin later on since divx playback is on the brink of 
> bringing down a p3 500 as it is... (or I'll just be smart and instead of 
> blabbering on the mailinglist add support for BGR24 so it can use some 
> m$ codec instead = no conversion (in my code at least ;)
> 
> >
> >>A'rpi / Astral & ESP-team
> >>
> >>--
> >>mailto:arpi at thot.banki.hu
> >>http://esp-team.scene.hu
> >>_______________________________________________
> >>MPlayer-dev-eng mailing list
> >>MPlayer-dev-eng at mplayerhq.hu
> >>http://mplayerhq.hu/mailman/listinfo/mplayer-dev-eng
> >>
> >
> >
> >Best regards! Nick
> >_______________________________________________
> >MPlayer-dev-eng mailing list
> >MPlayer-dev-eng at mplayerhq.hu
> >http://mplayerhq.hu/mailman/listinfo/mplayer-dev-eng
> >
> 
> 
> 
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> 


Best regards! Nick



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