[MPlayer-dev-eng] [PATCH] altivec colorspace

Marc Hoffman mmh at pleasantst.com
Thu May 13 03:56:33 CEST 2004


I'm not going to be able to get to this in the next few weeks.

On May 11, 2004, at 10:09 AM, Michael Niedermayer wrote:

> Hi
>
> On Tuesday 11 May 2004 13:18, Marc Hoffman wrote:
>> So does this solve what your trying to do?
> no
>
>>
>> #define vec_clip_for_ccir656(x) \
>>    vec_max (vec_min (x, (typeof(x))(235)), (typeof(x))(16))
>>
>> #define vec_clip(x)  vec_clip_for_ccir656(x)
>>
>> I'm curious why you care about this, I don't think the MAC's have such
>> limitations on their output.
> what!?
>
> your conversation code is wrong, u ignore the srcRange parameter, 
> please look
> at sws_setColorspaceDetails():
> ------
>         if(!srcRange){
> 		cy= (cy*255) / 219;
> 		oy= 16<<16;
> 	}
> ------
>
> [...]
> -- 
> Michael
> level[i]= get_vlc(); i+=get_vlc();		(violates patent EP0266049)
> median(mv[y-1][x], mv[y][x-1], mv[y+1][x+1]);	(violates patent 
> #5,905,535)
> buf[i]= qp - buf[i-1];				(violates patent #?)
> for more examples, see http://mplayerhq.hu/~michael/patent.html
> stop it, see http://petition.eurolinux.org & 
> http://petition.ffii.org/eubsa/en
>
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> MPlayer-dev-eng at mplayerhq.hu
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>




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