[svn] / branches / dev-api-3 / xvidcore / src / motion / motion_est.h Repository:
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revision 712, Fri Dec 13 11:56:31 2002 UTC revision 768, Thu Jan 9 11:36:33 2003 UTC
# Line 26  Line 26 
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., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
28   *   *
29   *  $Id: motion_est.h,v 1.1.2.11 2002-12-13 11:56:31 syskin Exp $   *  $Id: motion_est.h,v 1.1.2.12 2003-01-09 11:36:33 syskin Exp $
30   *   *
31   ***************************************************************************/   ***************************************************************************/
32    
# Line 35  Line 35 
35    
36  #include "../portab.h"  #include "../portab.h"
37  #include "../global.h"  #include "../global.h"
38    #include "../image/reduced.h"
39    
40  /* hard coded motion search parameters for motion_est and smp_motion_est */  /* hard coded motion search parameters for motion_est and smp_motion_est */
41    
# Line 46  Line 47 
47    
48  /* vector map (vlc delta size) smoother parameters ! float !*/  /* vector map (vlc delta size) smoother parameters ! float !*/
49  #define NEIGH_TEND_16X16        10.5  #define NEIGH_TEND_16X16        10.5
50  #define NEIGH_TEND_8X8          4.0  #define NEIGH_TEND_8X8          40.0
51  #define NEIGH_8X8_BIAS          30  #define NEIGH_8X8_BIAS          30
52    
53  /* Parameters which control inter/inter4v decision */  /* Parameters which control inter/inter4v decision */
# Line 101  Line 102 
102  };  };
103    
104  #define RRV_MV_SCALEDOWN(a)     ( (a)>=0 ? (a+1)/2 : (a-1)/2 )  #define RRV_MV_SCALEDOWN(a)     ( (a)>=0 ? (a+1)/2 : (a-1)/2 )
105  #define RRV_MV_SCALEUP(a)       ( (a)>0 ? 2*(a)-1 : (a)<0 ? 2*(a)+1 : (a) )  
106    static const VECTOR zeroMV = {0,0};
107    
108  typedef struct  typedef struct
109          {          {
# Line 130  Line 132 
132                  int qpel, qpel_precision;                  int qpel, qpel_precision;
133                  int chroma;                  int chroma;
134                  int rrv;                  int rrv;
135  //fields for interpolate and direct mode  //fields for interpolate and direct modes
136                  const uint8_t *bRef;                  const uint8_t *bRef;
137                  const uint8_t *bRefH;                  const uint8_t *bRefH;
138                  const uint8_t *bRefV;                  const uint8_t *bRefV;
# Line 141  Line 143 
143                  VECTOR directmvF[4];                  VECTOR directmvF[4];
144                  VECTOR directmvB[4];                  VECTOR directmvB[4];
145                  const VECTOR * referencemv;                  const VECTOR * referencemv;
146          }  
147          SearchData;  } SearchData;
148    
149    
150  typedef void(CheckFunc)(const int x, const int y,  typedef void(CheckFunc)(const int x, const int y,
151                                                  const int Direction, int * const dir,                                                  const int Direction, int * const dir,
152                                                  const SearchData * const Data);                                                  const SearchData * const Data);
   
 static CheckFunc CheckCandidate16, CheckCandidate16no4v, CheckCandidateInt,  
                         CheckCandidateDirect, CheckCandidateDirectno4v,  
                         CheckCandidate8;  
153  CheckFunc *CheckCandidate;  CheckFunc *CheckCandidate;
154    
155  /*  /*
156   * Calculate the min/max range (in halfpixels)   * Calculate the min/max range
157   * relative to the _MACROBLOCK_ position   * relative to the _MACROBLOCK_ position
158   */   */
159  static void __inline  static void __inline
# Line 169  Line 167 
167                    const uint32_t width,                    const uint32_t width,
168                    const uint32_t height,                    const uint32_t height,
169                    const uint32_t fcode,                    const uint32_t fcode,
170                    const int qpel,                    const int qpel, /* 1 if the resulting range should be in qpel precision; otherwise 0 */
171                    const int rrv)                    const int rrv)
172  {  {
173          int k, m = 2;          int k, m = qpel ? 4 : 2;
174          const int search_range = 32 << (fcode - 1);          const int search_range = 32 << (fcode - 1);
175          int high = search_range - 1;          int high = search_range - 1;
176          int low = -search_range;          int low = -search_range;
177    
178          if (qpel) m = 4;          if (rrv) {
         else if (rrv) {  
179                          high = RRV_MV_SCALEUP(high);                          high = RRV_MV_SCALEUP(high);
180                          low = RRV_MV_SCALEUP(low);                          low = RRV_MV_SCALEUP(low);
181                          block_sz *= 2;                          block_sz *= 2;

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