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revision 982, Thu Apr 10 13:05:54 2003 UTC revision 1142, Wed Sep 10 22:19:00 2003 UTC
# Line 1  Line 1 
1  /**************************************************************************  /*****************************************************************************
2   *   *
3   *      XVID MPEG-4 VIDEO CODEC   *      XVID MPEG-4 VIDEO CODEC
4   *      sum of absolute difference   *  - Sum Of Absolute Difference related code -
5   *   *
6   *      This program is an implementation of a part of one or more MPEG-4   *  Copyright(C) 2001-2003 Peter Ross <pross@xvid.org>
  *      Video tools as specified in ISO/IEC 14496-2 standard.  Those intending  
  *      to use this software module in hardware or software products are  
  *      advised that its use may infringe existing patents or copyrights, and  
  *      any such use would be at such party's own risk.  The original  
  *      developer of this software module and his/her company, and subsequent  
  *      editors and their companies, will have no liability for use of this  
  *      software or modifications or derivatives thereof.  
7   *   *
8   *      This program is free software; you can redistribute it and/or modify   *      This program is free software; you can redistribute it and/or modify
9   *      it under the terms of the GNU General Public License as published by   *      it under the terms of the GNU General Public License as published by
# Line 24  Line 17 
17   *   *
18   *      You should have received a copy of the GNU General Public License   *      You should have received a copy of the GNU General Public License
19   *      along with this program; if not, write to the Free Software   *      along with this program; if not, write to the Free Software
20   *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
21   *   *
22   *************************************************************************/   * $Id: sad.c,v 1.13.2.6 2003-09-10 22:19:00 edgomez Exp $
   
 /**************************************************************************  
  *  
  *      History:  
23   *   *
24   *      14.02.2002      added sad16bi_c()   ****************************************************************************/
  *      10.11.2001      initial version; (c)2001 peter ross <pross@cs.rmit.edu.au>  
  *  
  *************************************************************************/  
   
25    
26  #include "../portab.h"  #include "../portab.h"
27  #include "../global.h"  #include "../global.h"
# Line 47  Line 32 
32  sad16FuncPtr sad16;  sad16FuncPtr sad16;
33  sad8FuncPtr sad8;  sad8FuncPtr sad8;
34  sad16biFuncPtr sad16bi;  sad16biFuncPtr sad16bi;
35  sad8biFuncPtr sad8bi;           // not really sad16, but no difference in prototype  sad8biFuncPtr sad8bi;           /* not really sad16, but no difference in prototype */
36  dev16FuncPtr dev16;  dev16FuncPtr dev16;
37  sad16vFuncPtr sad16v;  sad16vFuncPtr sad16v;
38    
# Line 243  Line 228 
228                             int32_t *sad)                             int32_t *sad)
229  {  {
230          sad[0] = sad16(cur, ref, stride, 256*4096);          sad[0] = sad16(cur, ref, stride, 256*4096);
231          sad[1] = sad16(cur + 8, ref + 8, stride, 256*4096);          sad[1] = sad16(cur + 16, ref + 16, stride, 256*4096);
232          sad[2] = sad16(cur + 8*stride, ref + 8*stride, stride, 256*4096);          sad[2] = sad16(cur + 16*stride, ref + 16*stride, stride, 256*4096);
233          sad[3] = sad16(cur + 8*stride + 8, ref + 8*stride + 8, stride, 256*4096);          sad[3] = sad16(cur + 16*stride + 16, ref + 16*stride + 16, stride, 256*4096);
234    
235          return sad[0]+sad[1]+sad[2]+sad[3];          return sad[0]+sad[1]+sad[2]+sad[3];
236  }  }
# Line 291  Line 276 
276          }          }
277    
278          return MRSAD16_CORRFACTOR * sad;          return MRSAD16_CORRFACTOR * sad;
   
279  }  }
   
   
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