[cvs] / xvidcore / src / motion / estimation.h Repository:
ViewVC logotype

Diff of /xvidcore/src/motion/estimation.h

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 1.1, Wed Sep 10 22:18:59 2003 UTC revision 1.1.2.3, Fri Oct 3 12:41:02 2003 UTC
# Line 0  Line 1 
1    /*****************************************************************************
2     *
3     *  XVID MPEG-4 VIDEO CODEC
4     *  - Motion Estimation related header -
5     *
6     *  Copyright(C) 2002 Christoph Lampert <gruel@web.de>
7     *               2002 Michael Militzer <michael@xvid.org>
8     *               2002-2003 Radoslaw Czyz <xvid@syskin.cjb.net>
9     *
10     *  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
12     *  the Free Software Foundation ; either version 2 of the License, or
13     *  (at your option) any later version.
14     *
15     *  This program is distributed in the hope that it will be useful,
16     *  but WITHOUT ANY WARRANTY ; without even the implied warranty of
17     *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18     *  GNU General Public License for more details.
19     *
20     *  You should have received a copy of the GNU General Public License
21     *  along with this program ; if not, write to the Free Software
22     *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
23     *
24     * $Id$
25     *
26     ****************************************************************************/
27    
28    #ifndef _ESTIMATION_H_
29    #define _ESTIMATION_H_
30    
31    #include "../portab.h"
32    #include "../global.h"
33    #include "../image/reduced.h"
34    
35    /* hard coded motion search parameters */
36    
37    /* very large value */
38    #define MV_MAX_ERROR    (4096 * 256)
39    
40    /* INTER bias for INTER/INTRA decision; mpeg4 spec suggests 2*nb */
41    #define MV16_INTER_BIAS 512
42    
43    /* vector map (vlc delta size) smoother parameters ! float !*/
44    #define NEIGH_TEND_16X16                10.5
45    #define NEIGH_TEND_8X8                  40.0
46    #define NEIGH_8X8_BIAS                  30
47    
48    #define BITS_MULT                               16
49    
50    #define INITIAL_SKIP_THRESH             10
51    #define FINAL_SKIP_THRESH               50
52    #define MAX_SAD00_FOR_SKIP              20
53    #define MAX_CHROMA_SAD_FOR_SKIP 22
54    
55    /* Parameters which control inter/inter4v decision */
56    #define IMV16X16                                2
57    
58    extern const int xvid_me_lambda_vec16[32];
59    
60    #define CHECK_CANDIDATE(X,Y,D) { \
61            CheckCandidate((X),(Y), data, (D) ); }
62    
63    #define RRV_MV_SCALEDOWN(a)     ( (a)>=0 ? (a+1)/2 : (a-1)/2 )
64    
65    /* fast ((A)/2)*2 */
66    #define EVEN(A)         (((A)<0?(A)+1:(A)) & ~1)
67    
68    #define MVequal(A,B) ( ((A).x)==((B).x) && ((A).y)==((B).y) )
69    
70    static const VECTOR zeroMV = { 0, 0 };
71    
72    typedef struct
73    {
74            /* general fields */
75            int max_dx, min_dx, max_dy, min_dy;
76            uint32_t rounding;
77            VECTOR predMV;
78            VECTOR * currentMV;
79            VECTOR * currentQMV;
80            VECTOR * currentQMV2;
81            int32_t * iMinSAD;
82            int32_t * iMinSAD2;
83            const uint8_t * RefP[6]; /* N, V, H, HV, cU, cV */
84            const uint8_t * CurU;
85            const uint8_t * CurV;
86            uint8_t * RefQ;
87            const uint8_t * Cur;
88            uint32_t lambda16;
89            uint32_t lambda8;
90            uint32_t iEdgedWidth;
91            uint32_t iFcode;
92            int * temp;
93            unsigned int * dir;
94            int qpel, qpel_precision;
95            int chroma;
96            int rrv;
97    
98            /* fields for interpolate and direct modes */
99            const uint8_t * b_RefP[6]; /* N, V, H, HV, cU, cV */
100            VECTOR bpredMV;
101            uint32_t bFcode;
102    
103            /* fields for direct mode */
104            VECTOR directmvF[4];
105            VECTOR directmvB[4];
106            const VECTOR * referencemv;
107    
108            /* BITS/R-D stuff */
109            int16_t * dctSpace;
110            uint32_t iQuant;
111            uint32_t quant_type;
112            int * cbp;
113    
114    } SearchData;
115    
116    typedef void(CheckFunc)(const int x, const int y,
117                                                    const SearchData * const Data,
118                                                    const unsigned int Direction);
119    
120    CheckFunc CheckCandidate16no4v; /* shared between p-vop and b-vop search */
121    
122    uint8_t *
123    xvid_me_interpolate8x8qpel(const int x, const int y, const uint32_t block,
124                                                            const uint32_t dir, const SearchData * const data);
125    
126    uint8_t *
127    xvid_me_interpolate16x16qpel(const int x, const int y, const uint32_t dir,
128                                                            const SearchData * const data);
129    
130    int32_t
131    xvid_me_ChromaSAD(const int dx, const int dy, const SearchData * const data);
132    
133    int
134    xvid_me_SkipDecisionP(const IMAGE * current, const IMAGE * reference,
135                                            const int x, const int y,
136                                            const uint32_t stride, const uint32_t iQuant, int rrv);
137    
138    #define iDiamondSize 2
139    typedef void
140    MainSearchFunc(int x, int y, const SearchData * const Data,
141                               int bDirection, CheckFunc * const CheckCandidate);
142    
143    MainSearchFunc xvid_me_DiamondSearch, xvid_me_AdvDiamondSearch, xvid_me_SquareSearch;
144    
145    void
146    xvid_me_SubpelRefine(const SearchData * const data, CheckFunc * const CheckCandidate);
147    
148    void
149    xvid_me_ModeDecision_RD(SearchData * const Data,
150                    MACROBLOCK * const pMB,
151                    const MACROBLOCK * const pMBs,
152                    const int x, const int y,
153                    const MBParam * const pParam,
154                    const uint32_t MotionFlags,
155                    const uint32_t VopFlags,
156                    const uint32_t VolFlags,
157                    const IMAGE * const pCurrent,
158                    const IMAGE * const pRef,
159                    const IMAGE * const vGMC,
160                    const int coding_type);
161    
162    void
163    xvid_me_ModeDecision_Fast(SearchData * const Data,
164                    MACROBLOCK * const pMB,
165                    const MACROBLOCK * const pMBs,
166                    const int x, const int y,
167                    const MBParam * const pParam,
168                    const uint32_t MotionFlags,
169                    const uint32_t VopFlags,
170                    const uint32_t VolFlags,
171                    const IMAGE * const pCurrent,
172                    const IMAGE * const pRef,
173                    const IMAGE * const vGMC,
174                    const int coding_type);
175    
176    
177    #endif                                                  /* _ESTIMATION_H_ */
Legend:
Removed from v.1.1  
changed lines
  Added in v.1.1.2.3
No admin address has been configured
 ViewVC Help
Powered by ViewVC 1.0.4