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| 1 : | edgomez | 1142 | /***************************************************************************** |
| 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 : | syskin | 1237 | * $Id: estimation.h,v 1.1.2.7 2003-12-03 11:51:28 syskin Exp $ |
| 25 : | edgomez | 1142 | * |
| 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 : | syskin | 1237 | #define MV16_INTER_BIAS 450 |
| 42 : | edgomez | 1142 | |
| 43 : | /* vector map (vlc delta size) smoother parameters ! float !*/ | ||
| 44 : | #define NEIGH_TEND_16X16 10.5 | ||
| 45 : | #define NEIGH_TEND_8X8 40.0 | ||
| 46 : | syskin | 1237 | #define NEIGH_8X8_BIAS 40 |
| 47 : | edgomez | 1142 | |
| 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 : | syskin | 1215 | /* data modified by CheckCandidates */ |
| 75 : | int32_t iMinSAD[5]; /* smallest SADs found so far */ | ||
| 76 : | VECTOR currentMV[5]; /* best vectors found so far */ | ||
| 77 : | VECTOR currentQMV[5]; /* as above, but used during qpel search */ | ||
| 78 : | int temp[4]; /* temporary space */ | ||
| 79 : | unsigned int dir; /* 'direction', set when better vector is found */ | ||
| 80 : | int chromaX, chromaY, chromaSAD; /* info to make ChromaSAD faster */ | ||
| 81 : | VECTOR currentQMV2; /* extra vector for SubpelRefine_fast */ | ||
| 82 : | int32_t iMinSAD2; /* extra SAD value for SubpelRefine_fast */ | ||
| 83 : | |||
| 84 : | edgomez | 1142 | /* general fields */ |
| 85 : | syskin | 1215 | int max_dx, min_dx, max_dy, min_dy; /* maximum range */ |
| 86 : | uint32_t rounding; /* rounding type in use */ | ||
| 87 : | VECTOR predMV; /* vector which predicts current vector */ | ||
| 88 : | const uint8_t * RefP[6]; /* reference pictures - N, V, H, HV, cU, cV */ | ||
| 89 : | const uint8_t * Cur; /* current picture */ | ||
| 90 : | const uint8_t *CurU, *CurV; /* current picture - chroma planes */ | ||
| 91 : | |||
| 92 : | uint8_t * RefQ; /* temporary space for interpolations */ | ||
| 93 : | uint32_t lambda16; /* how much vector bits weight */ | ||
| 94 : | uint32_t lambda8; /* as above - for inter4v mode */ | ||
| 95 : | uint32_t iEdgedWidth; /* picture's stride */ | ||
| 96 : | uint32_t iFcode; /* current fcode */ | ||
| 97 : | |||
| 98 : | int qpel; /* if we're coding in qpel mode */ | ||
| 99 : | int qpel_precision; /* if X and Y are in qpel precision (refinement probably) */ | ||
| 100 : | int chroma; /* should we include chroma SAD? */ | ||
| 101 : | int rrv; /* are we using reduced resolution? */ | ||
| 102 : | edgomez | 1142 | |
| 103 : | /* fields for interpolate and direct modes */ | ||
| 104 : | syskin | 1215 | const uint8_t * b_RefP[6]; /* backward reference pictures - N, V, H, HV, cU, cV */ |
| 105 : | VECTOR bpredMV; /* backward prediction - used interpolate mode only */ | ||
| 106 : | uint32_t bFcode; /* backward fcode - used as above */ | ||
| 107 : | edgomez | 1142 | |
| 108 : | /* fields for direct mode */ | ||
| 109 : | syskin | 1215 | VECTOR directmvF[4]; /* scaled reference vectors */ |
| 110 : | VECTOR directmvB[4]; /* as above */ | ||
| 111 : | const VECTOR * referencemv; /* pointer to not-scaled reference vectors */ | ||
| 112 : | edgomez | 1142 | |
| 113 : | /* BITS/R-D stuff */ | ||
| 114 : | syskin | 1215 | int16_t * dctSpace; /* temporary space for dct */ |
| 115 : | uint32_t iQuant; /* current quant */ | ||
| 116 : | uint32_t quant_type; /* current quant type */ | ||
| 117 : | unsigned int cbp[2]; /* CBP of the best vector found so far + cbp for inter4v search */ | ||
| 118 : | const uint16_t * scan_table; /* current scan table */ | ||
| 119 : | edgomez | 1230 | const uint16_t * mpeg_quant_matrices; /* current MPEG quantization matrices */ |
| 120 : | edgomez | 1142 | |
| 121 : | } SearchData; | ||
| 122 : | |||
| 123 : | typedef void(CheckFunc)(const int x, const int y, | ||
| 124 : | syskin | 1215 | SearchData * const Data, |
| 125 : | edgomez | 1142 | const unsigned int Direction); |
| 126 : | |||
| 127 : | CheckFunc CheckCandidate16no4v; /* shared between p-vop and b-vop search */ | ||
| 128 : | |||
| 129 : | uint8_t * | ||
| 130 : | xvid_me_interpolate8x8qpel(const int x, const int y, const uint32_t block, | ||
| 131 : | const uint32_t dir, const SearchData * const data); | ||
| 132 : | |||
| 133 : | uint8_t * | ||
| 134 : | xvid_me_interpolate16x16qpel(const int x, const int y, const uint32_t dir, | ||
| 135 : | const SearchData * const data); | ||
| 136 : | |||
| 137 : | int32_t | ||
| 138 : | syskin | 1215 | xvid_me_ChromaSAD(const int dx, const int dy, SearchData * const data); |
| 139 : | edgomez | 1142 | |
| 140 : | int | ||
| 141 : | xvid_me_SkipDecisionP(const IMAGE * current, const IMAGE * reference, | ||
| 142 : | const int x, const int y, | ||
| 143 : | const uint32_t stride, const uint32_t iQuant, int rrv); | ||
| 144 : | |||
| 145 : | #define iDiamondSize 2 | ||
| 146 : | typedef void | ||
| 147 : | syskin | 1215 | MainSearchFunc(int x, int y, SearchData * const Data, |
| 148 : | edgomez | 1142 | int bDirection, CheckFunc * const CheckCandidate); |
| 149 : | |||
| 150 : | MainSearchFunc xvid_me_DiamondSearch, xvid_me_AdvDiamondSearch, xvid_me_SquareSearch; | ||
| 151 : | |||
| 152 : | void | ||
| 153 : | syskin | 1215 | xvid_me_SubpelRefine(SearchData * const data, CheckFunc * const CheckCandidate); |
| 154 : | edgomez | 1142 | |
| 155 : | void | ||
| 156 : | xvid_me_ModeDecision_RD(SearchData * const Data, | ||
| 157 : | MACROBLOCK * const pMB, | ||
| 158 : | const MACROBLOCK * const pMBs, | ||
| 159 : | const int x, const int y, | ||
| 160 : | const MBParam * const pParam, | ||
| 161 : | const uint32_t MotionFlags, | ||
| 162 : | const uint32_t VopFlags, | ||
| 163 : | const uint32_t VolFlags, | ||
| 164 : | const IMAGE * const pCurrent, | ||
| 165 : | const IMAGE * const pRef, | ||
| 166 : | const IMAGE * const vGMC, | ||
| 167 : | const int coding_type); | ||
| 168 : | |||
| 169 : | void | ||
| 170 : | xvid_me_ModeDecision_Fast(SearchData * const Data, | ||
| 171 : | MACROBLOCK * const pMB, | ||
| 172 : | const MACROBLOCK * const pMBs, | ||
| 173 : | const int x, const int y, | ||
| 174 : | const MBParam * const pParam, | ||
| 175 : | const uint32_t MotionFlags, | ||
| 176 : | const uint32_t VopFlags, | ||
| 177 : | const uint32_t VolFlags, | ||
| 178 : | const IMAGE * const pCurrent, | ||
| 179 : | const IMAGE * const pRef, | ||
| 180 : | const IMAGE * const vGMC, | ||
| 181 : | const int coding_type); | ||
| 182 : | |||
| 183 : | |||
| 184 : | #endif /* _ESTIMATION_H_ */ |
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