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revision 458, Tue Sep 10 19:28:01 2002 UTC revision 851, Sat Feb 15 15:22:19 2003 UTC
# Line 1  Line 1 
1  ;/*****************************************************************************  ;/**************************************************************************
2  ; *  ; *
3  ; *  XVID MPEG-4 VIDEO CODEC  ; *  XVID MPEG-4 VIDEO CODEC
4  ; *  xmm (extended mmx) sum of absolute difference  ; *     xmm sum of absolute difference
 ; *  
 ; *  Copyright(C) 2002 Peter Ross <pross@xvid.org>  
 ; *  Copyright(C) 2002 Michael Militzer <michael@xvid.org>  
 ; *  Copyright(C) 2002 Pascal Massimino <skal@planet-d.net>  
5  ; *  ; *
6  ; *  This program is an implementation of a part of one or more MPEG-4  ; *  This program is an implementation of a part of one or more MPEG-4
7  ; *  Video tools as specified in ISO/IEC 14496-2 standard.  Those intending  ; *  Video tools as specified in ISO/IEC 14496-2 standard.  Those intending
# Line 28  Line 24 
24  ; *  ; *
25  ; *  You should have received a copy of the GNU General Public License  ; *  You should have received a copy of the GNU General Public License
26  ; *  along with this program; if not, write to the Free Software  ; *  along with this program; if not, write to the Free Software
27  ; *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA  ; *     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
28    ; *
29    ; *************************************************************************/
30    
31    ;/**************************************************************************
32    ; *
33    ; *     History:
34    ; *
35    ; * 23.07.2002  sad8bi_xmm; <pross@xvid.org>
36    ; * 04.06.2002  rewrote some funcs (XMM mainly)     -Skal-
37    ; * 17.11.2001  bugfix and small improvement for dev16_xmm,
38    ; *             removed terminate early in sad16_xmm (Isibaar)
39    ; *     12.11.2001      inital version; (c)2001 peter ross <pross@cs.rmit.edu.au>
40  ; *  ; *
41  ; *************************************************************************/  ; *************************************************************************/
42    
# Line 349  Line 357 
357    
358      mov eax, [esp+ 4] ; Src      mov eax, [esp+ 4] ; Src
359    
360    
361      pxor mm5, mm5 ; sums      pxor mm5, mm5 ; sums
362      pxor mm6, mm6      pxor mm6, mm6
363    
# Line 377  Line 386 
386    
387      movd eax, mm6      movd eax, mm6
388      ret      ret
389    
390    cglobal sad16v_xmm
391    
392    ;===========================================================================
393    ;int sad16v_xmm(const uint8_t * const cur,
394    ;               const uint8_t * const ref,
395    ;               const uint32_t stride,
396    ;               int* sad8);
397    ;===========================================================================
398    align 16
399    sad16v_xmm:
400        push ebx
401        mov eax, [esp+4+ 4] ; Src1
402        mov edx, [esp+4+ 8] ; Src2
403        mov ecx, [esp+4+12] ; Stride
404        mov ebx, [esp+4+16] ; sad ptr
405    
406        pxor mm5, mm5 ; accum1
407        pxor mm6, mm6 ; accum2
408        pxor mm7, mm7 ; total
409        SAD_16x16_SSE
410        SAD_16x16_SSE
411        SAD_16x16_SSE
412        SAD_16x16_SSE
413        SAD_16x16_SSE
414        SAD_16x16_SSE
415        SAD_16x16_SSE
416        SAD_16x16_SSE
417        paddusw mm7, mm5
418        paddusw mm7, mm6
419        movd [ebx], mm5
420        movd [ebx+4], mm6
421    
422        pxor mm5, mm5 ; accum1
423        pxor mm6, mm6 ; accum2
424        SAD_16x16_SSE
425        SAD_16x16_SSE
426        SAD_16x16_SSE
427        SAD_16x16_SSE
428        SAD_16x16_SSE
429        SAD_16x16_SSE
430        SAD_16x16_SSE
431        SAD_16x16_SSE
432        paddusw mm7, mm5
433        paddusw mm7, mm6
434        movd [ebx+8], mm5
435        movd [ebx+12], mm6
436    
437        movd eax, mm7
438        pop ebx
439        ret
440    ;--------
441    
442    
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