[svn] / trunk / xvidcore / src / utils / mem_transfer.c Repository:
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revision 1582, Sun Dec 19 12:49:05 2004 UTC revision 1583, Sun Dec 19 13:16:50 2004 UTC
# Line 19  Line 19 
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., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
21   *   *
22   * $Id: mem_transfer.c,v 1.11 2004-07-14 23:26:06 edgomez Exp $   * $Id: mem_transfer.c,v 1.12 2004-12-19 13:16:50 syskin Exp $
23   *   *
24   ****************************************************************************/   ****************************************************************************/
25    
# Line 34  Line 34 
34  TRANSFER_8TO16SUB_PTR  transfer_8to16sub;  TRANSFER_8TO16SUB_PTR  transfer_8to16sub;
35  TRANSFER_8TO16SUBRO_PTR  transfer_8to16subro;  TRANSFER_8TO16SUBRO_PTR  transfer_8to16subro;
36  TRANSFER_8TO16SUB2_PTR transfer_8to16sub2;  TRANSFER_8TO16SUB2_PTR transfer_8to16sub2;
37    TRANSFER_8TO16SUB2RO_PTR transfer_8to16sub2ro;
38  TRANSFER_16TO8ADD_PTR  transfer_16to8add;  TRANSFER_16TO8ADD_PTR  transfer_16to8add;
39    
40  TRANSFER8X8_COPY_PTR transfer8x8_copy;  TRANSFER8X8_COPY_PTR transfer8x8_copy;
# Line 193  Line 194 
194          }          }
195  }  }
196    
197    void
198    transfer_8to16sub2ro_c(int16_t * const dct,
199                                             const uint8_t * const cur,
200                                             const uint8_t * ref1,
201                                             const uint8_t * ref2,
202                                             const uint32_t stride)
203    {
204            uint32_t i, j;
205    
206            for (j = 0; j < 8; j++) {
207                    for (i = 0; i < 8; i++) {
208                            uint8_t c = cur[j * stride + i];
209                            int r = (ref1[j * stride + i] + ref2[j * stride + i] + 1) / 2;
210                            dct[j * 8 + i] = (int16_t) c - (int16_t) r;
211                    }
212            }
213    }
214    
215    
216  /*  /*
217   * SRC - the source buffer   * SRC - the source buffer
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