[Mplayer-users] xvideo extension implemented in xfree86 4.1.0 savage driver?

[Tom Breza]

Where I can find some info about ffdivx, I hear that this one is the
fastes decoder, is that true?

siaraX

> hmm I have PIII 850MHz Laptop with that chip and it works quite fine, when 
> using ffdivx codec for high quality files, I'm currently trying to improve 
> speed of savage driver and fix bugs, it has slow memcopys inside XVideo 
> driver which copy on a per line basis for packed YUV formats and even on per 
> pixel basis for planar ones. Thereos planar ones can IMHO be sped up quite a 
> bit if not through alternate memcopy method, then through parallelizing 
> current pixelbased memcpy using MMX or other SIMD techniques.
> I can't yet say if I'll succeed but with some non-working code I could 
> decrease system cpu usage for YV12 (planar yuv) from 60secs to decode a vob 
> trailer to 50secs, so it's quite a speedup if it works out.
> Packed YUV is not much optimizable IMO, cause copying whole frame at once 
> which is possible is not that much faster then copying each line. Maybe also 
> speed this up with asm.
> If I succeed in improving the driver I'll make it public for mplayer users.
> 
> >
> > siaraX
> >
> > > Can anybody please confirm that "mplayer -vo xv" works in the above
> > > configuration?
> > >
> > > --
> > > Jean-Luc Fontaine
> > >
> > >
> 
> -- 
> Best Regards,
>    Felix
> 
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> Mplayer-users mailing list
> Mplayer-users at lists.sourceforge.net
> http://lists.sourceforge.net/lists/listinfo/mplayer-users
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> 
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> 


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