[svn] / branches / dev-api-4 / xvidcore / src / motion / vop_type_decision.c Repository:
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revision 1142, Wed Sep 10 22:19:00 2003 UTC revision 1160, Tue Sep 30 18:20:31 2003 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: vop_type_decision.c,v 1.1.2.1 2003-09-10 22:19:00 edgomez Exp $   * $Id: vop_type_decision.c,v 1.1.2.2 2003-09-30 18:20:31 edgomez Exp $
23   *   *
24   ****************************************************************************/   ****************************************************************************/
25    
# Line 137  Line 137 
137  MEanalysis(     const IMAGE * const pRef,  MEanalysis(     const IMAGE * const pRef,
138                          const FRAMEINFO * const Current,                          const FRAMEINFO * const Current,
139                          const MBParam * const pParam,                          const MBParam * const pParam,
140                          const int maxIntra, //maximum number if non-I frames                          const int maxIntra, /* maximum number if non-I frames */
141                          const int intraCount, //number of non-I frames after last I frame; 0 if we force P/B frame                          const int intraCount, /* number of non-I frames after last I frame; 0 if we force P/B frame */
142                          const int bCount, // number of B frames in a row                          const int bCount, /* number of B frames in a row */
143                          const int b_thresh)                          const int b_thresh)
144  {  {
145          uint32_t x, y, intra = 0;          uint32_t x, y, intra = 0;
# Line 164  Line 164 
164          Data.qpel_precision = 0;          Data.qpel_precision = 0;
165    
166          if (intraCount != 0) {          if (intraCount != 0) {
167                  if (intraCount < 10) // we're right after an I frame                  if (intraCount < 10) /* we're right after an I frame */
168                          IntraThresh += 15* (intraCount - 10) * (intraCount - 10);                          IntraThresh += 15* (intraCount - 10) * (intraCount - 10);
169                  else                  else
170                          if ( 5*(maxIntra - intraCount) < maxIntra) // we're close to maximum. 2 sec when max is 10 sec                          if ( 5*(maxIntra - intraCount) < maxIntra) /* we're close to maximum. 2 sec when max is 10 sec */
171                                  IntraThresh -= (IntraThresh * (maxIntra - 8*(maxIntra - intraCount)))/maxIntra;                                  IntraThresh -= (IntraThresh * (maxIntra - 8*(maxIntra - intraCount)))/maxIntra;
172          }          }
173    
# Line 182  Line 182 
182                          blocks += 10;                          blocks += 10;
183    
184                          if (bCount == 0) pMBs[x + y * pParam->mb_width].mvs[0] = zeroMV;                          if (bCount == 0) pMBs[x + y * pParam->mb_width].mvs[0] = zeroMV;
185                          else { //extrapolation of the vector found for last frame                          else { /* extrapolation of the vector found for last frame */
186                                  pMBs[x + y * pParam->mb_width].mvs[0].x =                                  pMBs[x + y * pParam->mb_width].mvs[0].x =
187                                          (pMBs[x + y * pParam->mb_width].mvs[0].x * (bCount+1) ) / bCount;                                          (pMBs[x + y * pParam->mb_width].mvs[0].x * (bCount+1) ) / bCount;
188                                  pMBs[x + y * pParam->mb_width].mvs[0].y =                                  pMBs[x + y * pParam->mb_width].mvs[0].y =
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