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revision 1023, Wed May 14 20:23:02 2003 UTC revision 1054, Mon Jun 9 13:55:56 2003 UTC
# Line 1  Line 1 
1  /**************************************************************************  /*****************************************************************************
2   *   *
3   *  XVID MPEG-4 VIDEO CODEC   *  XVID MPEG-4 VIDEO CODEC
4   *  -  Motion estimation header  -   *  - Motion Estimation related header -
5   *   *
6   *  This program is an implementation of a part of one or more MPEG-4   *  Copyright(C) 2002 Christoph Lampert <gruel@web.de>
7   *  Video tools as specified in ISO/IEC 14496-2 standard.  Those intending   *               2002 Michael Militzer <michael@xvid.org>
8   *  to use this software module in hardware or software products are   *               2002-2003 Radoslaw Czyz <xvid@syskin.cjb.net>
  *  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.  
9   *   *
10   *  This program is free software; you can redistribute it and/or modify   *  This program is free software; you can redistribute it and/or modify
11   *  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 26  Line 21 
21   *  along with this program; if not, write to the Free Software   *  along with this program; if not, write to the Free Software
22   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
23   *   *
24   *  $Id: motion_est.h,v 1.3.2.7 2003-05-14 20:23:02 edgomez Exp $   * $Id: motion_est.h,v 1.3.2.9 2003-06-09 13:54:41 edgomez Exp $
25   *   *
26   ***************************************************************************/   ****************************************************************************/
27    
28  #ifndef _MOTION_EST_H_  #ifndef _MOTION_EST_H_
29  #define _MOTION_EST_H_  #define _MOTION_EST_H_
# Line 39  Line 34 
34    
35  /* hard coded motion search parameters for motion_est and smp_motion_est */  /* hard coded motion search parameters for motion_est and smp_motion_est */
36    
37  // very large value  /* very large value */
38  #define MV_MAX_ERROR    (4096 * 256)  #define MV_MAX_ERROR    (4096 * 256)
39    
40  /* INTER bias for INTER/INTRA decision; mpeg4 spec suggests 2*nb */  /* INTER bias for INTER/INTRA decision; mpeg4 spec suggests 2*nb */
# Line 91  Line 86 
86          (int)(21.2656*NEIGH_TEND_8X8 + 0.5), (int)(24.8580*NEIGH_TEND_8X8 + 0.5),          (int)(21.2656*NEIGH_TEND_8X8 + 0.5), (int)(24.8580*NEIGH_TEND_8X8 + 0.5),
87          (int)(29.6436*NEIGH_TEND_8X8 + 0.5), (int)(36.4949*NEIGH_TEND_8X8 + 0.5)        };          (int)(29.6436*NEIGH_TEND_8X8 + 0.5), (int)(36.4949*NEIGH_TEND_8X8 + 0.5)        };
88    
89  // mv.length table  /* mv.length table */
90  static const int mvtab[64] = {  static const int mvtab[64] = {
91                  1, 2, 3, 4, 6, 7, 7, 7,                  1, 2, 3, 4, 6, 7, 7, 7,
92                  9, 9, 9, 10, 10, 10, 10, 10,                  9, 9, 9, 10, 10, 10, 10, 10,
# Line 109  Line 104 
104    
105  typedef struct  typedef struct
106  {  {
107  // general fields          /* general fields */
108          int max_dx, min_dx, max_dy, min_dy;          int max_dx, min_dx, max_dy, min_dy;
109          uint32_t rounding;          uint32_t rounding;
110          VECTOR predMV;          VECTOR predMV;
111          VECTOR * currentMV;          VECTOR * currentMV;
112          VECTOR * currentQMV;          VECTOR * currentQMV;
113          int32_t * iMinSAD;          int32_t * iMinSAD;
114          const uint8_t * RefP[6]; // N, V, H, HV, cU, cV          const uint8_t * RefP[6]; /* N, V, H, HV, cU, cV */
115          const uint8_t * CurU;          const uint8_t * CurU;
116          const uint8_t * CurV;          const uint8_t * CurV;
117          uint8_t * RefQ;          uint8_t * RefQ;
# Line 129  Line 124 
124          int qpel, qpel_precision;          int qpel, qpel_precision;
125          int chroma;          int chroma;
126          int rrv;          int rrv;
127  //fields for interpolate and direct modes  
128          const uint8_t * b_RefP[6]; // N, V, H, HV, cU, cV          /* fields for interpolate and direct modes */
129            const uint8_t * b_RefP[6]; /* N, V, H, HV, cU, cV */
130          VECTOR bpredMV;          VECTOR bpredMV;
131          uint32_t bFcode;          uint32_t bFcode;
132  // fields for direct mode  
133            /* fields for direct mode */
134          VECTOR directmvF[4];          VECTOR directmvF[4];
135          VECTOR directmvB[4];          VECTOR directmvB[4];
136          const VECTOR * referencemv;          const VECTOR * referencemv;
137  // BITS/R-D stuff  
138            /* BITS/R-D stuff */
139          int16_t * dctSpace;          int16_t * dctSpace;
140          uint32_t iQuant;          uint32_t iQuant;
141          uint32_t quant_type;          uint32_t quant_type;
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