35 |
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36 |
#include "../portab.h" |
#include "../portab.h" |
37 |
#include "../global.h" |
#include "../global.h" |
38 |
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#include "../image/reduced.h" |
39 |
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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 |
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47 |
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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 |
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53 |
/* Parameters which control inter/inter4v decision */ |
/* Parameters which control inter/inter4v decision */ |
90 |
(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) }; |
91 |
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92 |
// mv.length table |
// mv.length table |
93 |
static const uint32_t mvtab[33] = { |
static const int mvtab[64] = { |
94 |
1, 2, 3, 4, 6, 7, 7, 7, |
1, 2, 3, 4, 6, 7, 7, 7, |
95 |
9, 9, 9, 10, 10, 10, 10, 10, |
9, 9, 9, 10, 10, 10, 10, 10, |
96 |
10, 10, 10, 10, 10, 10, 10, 10, |
10, 10, 10, 10, 10, 10, 10, 10, |
97 |
10, 11, 11, 11, 11, 11, 11, 12, 12 |
10, 11, 11, 11, 11, 11, 11, 12, |
98 |
}; |
12, 12, 12, 12, 12, 12, 12, 12, |
99 |
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12, 12, 12, 12, 12, 12, 12, 12, |
100 |
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12, 12, 12, 12, 12, 12, 12, 12, 12 }; |
101 |
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102 |
static const int DQtab[4] = { |
static const int DQtab[4] = { |
103 |
-1, -2, 1, 2 |
-1, -2, 1, 2 |
104 |
}; |
}; |
105 |
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106 |
#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 ) |
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#define RRV_MV_SCALEUP(a) ( (a)>0 ? 2*(a)-1 : (a)<0 ? 2*(a)+1 : (a) ) |
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108 |
typedef struct |
typedef struct |
109 |
{ |
{ |
114 |
VECTOR *currentMV; |
VECTOR *currentMV; |
115 |
VECTOR *currentQMV; |
VECTOR *currentQMV; |
116 |
int32_t *iMinSAD; |
int32_t *iMinSAD; |
117 |
const uint8_t * Ref; |
const uint8_t * RefP[6]; // N, V, H, HV, cU, cV |
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const uint8_t * RefH; |
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const uint8_t * RefV; |
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const uint8_t * RefHV; |
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const uint8_t * RefCU; |
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const uint8_t * RefCV; |
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118 |
const uint8_t * CurU; |
const uint8_t * CurU; |
119 |
const uint8_t * CurV; |
const uint8_t * CurV; |
120 |
uint8_t * RefQ; |
uint8_t * RefQ; |
127 |
int qpel, qpel_precision; |
int qpel, qpel_precision; |
128 |
int chroma; |
int chroma; |
129 |
int rrv; |
int rrv; |
130 |
//fields for interpolate and direct mode |
//fields for interpolate and direct modes |
131 |
const uint8_t *bRef; |
const uint8_t * b_RefP[6]; // N, V, H, HV, cU, cV |
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const uint8_t *bRefH; |
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const uint8_t *bRefV; |
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const uint8_t *bRefHV; |
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132 |
VECTOR bpredMV; |
VECTOR bpredMV; |
133 |
uint32_t bFcode; |
uint32_t bFcode; |
134 |
// fields for direct mode |
// fields for direct mode |
135 |
VECTOR directmvF[4]; |
VECTOR directmvF[4]; |
136 |
VECTOR directmvB[4]; |
VECTOR directmvB[4]; |
137 |
const VECTOR * referencemv; |
const VECTOR * referencemv; |
138 |
} |
// _BITS stuff |
139 |
SearchData; |
int16_t * dctSpace; |
140 |
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uint32_t iQuant; |
141 |
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uint32_t quant_type; |
142 |
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143 |
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} SearchData; |
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145 |
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typedef void(CheckFunc)(const int x, const int y, |
typedef void(CheckFunc)(const int x, const int y, |
147 |
const int Direction, int * const dir, |
const int Direction, int * const dir, |
148 |
const SearchData * const Data); |
const SearchData * const Data); |
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static CheckFunc CheckCandidate16, CheckCandidate16no4v, CheckCandidateInt, |
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CheckCandidateDirect, CheckCandidateDirectno4v, |
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CheckCandidate8; |
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149 |
CheckFunc *CheckCandidate; |
CheckFunc *CheckCandidate; |
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151 |
/* |
/* |
152 |
* Calculate the min/max range (in halfpixels) |
* Calculate the min/max range |
153 |
* relative to the _MACROBLOCK_ position |
* relative to the _MACROBLOCK_ position |
154 |
*/ |
*/ |
155 |
static void __inline |
static void __inline |
159 |
int32_t * const max_dy, |
int32_t * const max_dy, |
160 |
const uint32_t x, |
const uint32_t x, |
161 |
const uint32_t y, |
const uint32_t y, |
162 |
const uint32_t block_sz, /* block dimension, 8 or 16 */ |
uint32_t block_sz, /* block dimension, 8 or 16 */ |
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const uint32_t width, |
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const uint32_t height, |
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const uint32_t fcode) |
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{ |
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int k; |
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const int search_range = 32 << (fcode - 1); |
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const int high = search_range - 1; |
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const int low = -search_range; |
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k = 2 * (int)(width - x*block_sz); |
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*max_dx = MIN(high, k); |
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k = 2 * (int)(height - y*block_sz); |
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*max_dy = MIN(high, k); |
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k = -2 * (int)((x+1) * block_sz); |
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*min_dx = MAX(low, k); |
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k = -2 * (int)((y+1) * block_sz); |
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*min_dy = MAX(low, k); |
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} |
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static void __inline |
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get_range_rrv(int32_t * const min_dx, |
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int32_t * const max_dx, |
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int32_t * const min_dy, |
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int32_t * const max_dy, |
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const uint32_t x, |
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const uint32_t y, |
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const uint32_t block_sz, /* block dimension, 8 or 16 */ |
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163 |
const uint32_t width, |
const uint32_t width, |
164 |
const uint32_t height, |
const uint32_t height, |
165 |
const uint32_t fcode) |
const uint32_t fcode, |
166 |
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const int qpel, /* 1 if the resulting range should be in qpel precision; otherwise 0 */ |
167 |
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const int rrv) |
168 |
{ |
{ |
169 |
int k; |
int k, m = qpel ? 4 : 2; |
170 |
const int search_range = 32 << (fcode - 1); |
const int search_range = 32 << (fcode - 1); |
171 |
const int high = RRV_MV_SCALEUP(search_range - 1); //halfzero -> halfpel, because we do our search in halfpel |
int high = search_range - 1; |
172 |
const int low = RRV_MV_SCALEUP(-search_range); |
int low = -search_range; |
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k = 2 * (int)(width - x*block_sz); |
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*max_dx = MIN(high, k); |
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k = 2 * (int)(height - y*block_sz); |
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*max_dy = MIN(high, k); |
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173 |
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174 |
k = -2 * (int)((x+1) * block_sz); |
if (rrv) { |
175 |
*min_dx = MAX(low, k); |
high = RRV_MV_SCALEUP(high); |
176 |
k = -2 * (int)((y+1) * block_sz); |
low = RRV_MV_SCALEUP(low); |
177 |
*min_dy = MAX(low, k); |
block_sz *= 2; |
178 |
} |
} |
179 |
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180 |
static void __inline |
k = m * (int)(width - x * block_sz); |
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get_range_qpel(int32_t * const min_dx, |
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int32_t * const max_dx, |
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int32_t * const min_dy, |
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int32_t * const max_dy, |
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const uint32_t x, |
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const uint32_t y, |
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const uint32_t block_sz, /* block dimension, 8 or 16 */ |
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const uint32_t width, |
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const uint32_t height, |
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const uint32_t fcode) |
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{ |
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int k; |
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const int search_range = 32 << (fcode - 1); |
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const int high = search_range - 1; |
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const int low = -search_range; |
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k = 4 * (int)(width - x*block_sz); |
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181 |
*max_dx = MIN(high, k); |
*max_dx = MIN(high, k); |
182 |
k = 4 * (int)(height - y*block_sz); |
k = m * (int)(height - y * block_sz); |
183 |
*max_dy = MIN(high, k); |
*max_dy = MIN(high, k); |
184 |
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185 |
k = -4 * (int)((x+1) * block_sz); |
k = -m * (int)((x+1) * block_sz); |
186 |
*min_dx = MAX(low, k); |
*min_dx = MAX(low, k); |
187 |
k = -4 * (int)((y+1) * block_sz); |
k = -m * (int)((y+1) * block_sz); |
188 |
*min_dy = MAX(low, k); |
*min_dy = MAX(low, k); |
189 |
} |
} |
190 |
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191 |
typedef void MainSearchFunc(int x, int y, const SearchData * const Data, int bDirection); |
typedef void MainSearchFunc(int x, int y, const SearchData * const Data, int bDirection); |
192 |
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193 |
static MainSearchFunc DiamondSearch, AdvDiamondSearch, SquareSearch; |
static MainSearchFunc DiamondSearch, AdvDiamondSearch, SquareSearch; |
219 |
const int x, |
const int x, |
220 |
const int y, |
const int y, |
221 |
const uint32_t MotionFlags, |
const uint32_t MotionFlags, |
222 |
const uint32_t iQuant, |
const uint32_t GlobalFlags, |
223 |
SearchData * const Data, |
SearchData * const Data, |
224 |
const MBParam * const pParam, |
const MBParam * const pParam, |
225 |
const MACROBLOCK * const pMBs, |
const MACROBLOCK * const pMBs, |
226 |
const MACROBLOCK * const prevMBs, |
const MACROBLOCK * const prevMBs, |
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int inter4v, |
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227 |
MACROBLOCK * const pMB); |
MACROBLOCK * const pMB); |
228 |
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229 |
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230 |
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static WARPPOINTS |
231 |
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GlobalMotionEst(const MACROBLOCK * const pMBs, |
232 |
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const MBParam * const pParam, |
233 |
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const FRAMEINFO * const current, |
234 |
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const FRAMEINFO * const reference, |
235 |
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const IMAGE * const pRefH, |
236 |
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const IMAGE * const pRefV, |
237 |
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const IMAGE * const pRefHV ); |
238 |
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239 |
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#define iDiamondSize 2 |
240 |
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241 |
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static __inline uint32_t |
242 |
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MakeGoodMotionFlags(const uint32_t MotionFlags, const uint32_t GlobalFlags) |
243 |
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{ |
244 |
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uint32_t Flags = MotionFlags; |
245 |
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246 |
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if (!(GlobalFlags & XVID_MODEDECISION_BITS)) |
247 |
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Flags &= ~(QUARTERPELREFINE16_BITS+QUARTERPELREFINE8_BITS+HALFPELREFINE16_BITS+HALFPELREFINE8_BITS+EXTSEARCH_BITS); |
248 |
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249 |
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if (Flags & EXTSEARCH_BITS) |
250 |
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Flags |= HALFPELREFINE16_BITS; |
251 |
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252 |
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if (Flags & EXTSEARCH_BITS && MotionFlags & PMV_EXTSEARCH8) |
253 |
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Flags |= HALFPELREFINE8_BITS; |
254 |
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255 |
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if (Flags & HALFPELREFINE16_BITS) |
256 |
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Flags |= QUARTERPELREFINE16_BITS; |
257 |
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258 |
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if (Flags & HALFPELREFINE8_BITS) { |
259 |
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Flags |= QUARTERPELREFINE8_BITS; |
260 |
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Flags &= ~PMV_HALFPELREFINE8; |
261 |
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} |
262 |
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263 |
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if (Flags & QUARTERPELREFINE8_BITS) |
264 |
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Flags &= ~PMV_QUARTERPELREFINE8; |
265 |
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266 |
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if (!(GlobalFlags & XVID_QUARTERPEL)) |
267 |
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Flags &= ~(PMV_QUARTERPELREFINE16+PMV_QUARTERPELREFINE8+QUARTERPELREFINE16_BITS+QUARTERPELREFINE8_BITS); |
268 |
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269 |
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if (!(GlobalFlags & XVID_HALFPEL)) |
270 |
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Flags &= ~(PMV_EXTSEARCH16+PMV_HALFPELREFINE16+PMV_HALFPELREFINE8+HALFPELREFINE16_BITS+HALFPELREFINE8_BITS); |
271 |
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272 |
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if (GlobalFlags & (XVID_GREYSCALE + XVID_REDUCED)) |
273 |
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Flags &= ~(PMV_CHROMA16 + PMV_CHROMA8); |
274 |
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275 |
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return Flags; |
276 |
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} |
277 |
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278 |
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/* BITS mode decision and search */ |
279 |
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280 |
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#include "../bitstream/zigzag.h" |
281 |
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#include "../quant/quant_mpeg4.h" |
282 |
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#include "../quant/quant_h263.h" |
283 |
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#include "../bitstream/vlc_codes.h" |
284 |
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#include "../dct/fdct.h" |
285 |
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286 |
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static int |
287 |
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CountMBBitsInter(SearchData * const Data, |
288 |
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const MACROBLOCK * const pMBs, const int x, const int y, |
289 |
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const MBParam * const pParam, |
290 |
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const uint32_t MotionFlags); |
291 |
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292 |
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static int |
293 |
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CountMBBitsInter4v(const SearchData * const Data, |
294 |
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MACROBLOCK * const pMB, const MACROBLOCK * const pMBs, |
295 |
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const int x, const int y, |
296 |
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const MBParam * const pParam, const uint32_t MotionFlags, |
297 |
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const VECTOR * const backup); |
298 |
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299 |
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static int |
300 |
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CountMBBitsIntra(const SearchData * const Data); |
301 |
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302 |
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int CodeCoeffIntra_CalcBits(const int16_t qcoeff[64], const uint16_t * zigzag); |
303 |
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int CodeCoeffInter_CalcBits(const int16_t qcoeff[64], const uint16_t * zigzag); |
304 |
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/* |
305 |
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static int |
306 |
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CountDistortionSkip(const SearchData * const Data); |
307 |
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*/ |
308 |
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static __inline unsigned int |
309 |
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Block_CalcBits(uint16_t * const coeff, |
310 |
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uint16_t * const data, |
311 |
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const uint32_t quant, const int quant_type, |
312 |
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uint32_t * cbp, |
313 |
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const int block, |
314 |
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const int RD) |
315 |
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{ |
316 |
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int sum; |
317 |
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318 |
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fdct(data); |
319 |
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320 |
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if (quant_type == 0) sum = quant_inter(coeff, data, quant); |
321 |
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else sum = quant4_inter(coeff, data, quant); |
322 |
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323 |
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if (sum > 0) { |
324 |
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*cbp |= 1 << (5 - block); |
325 |
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return CodeCoeffInter_CalcBits(coeff, scan_tables[0]); |
326 |
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} else return 0; |
327 |
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} |
328 |
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329 |
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/* RD experiment. ignore. |
330 |
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static __inline unsigned int |
331 |
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Block_CalcBits( int16_t * const coeff, |
332 |
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int16_t * const data, |
333 |
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const uint32_t quant, const int quant_type, |
334 |
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uint32_t * cbp, |
335 |
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const int block, |
336 |
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const int RD) |
337 |
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{ |
338 |
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int sum; |
339 |
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int bits; |
340 |
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const int lambda = quant*quant/2; |
341 |
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int distortion = 0; |
342 |
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343 |
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fdct(data); |
344 |
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345 |
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if (quant_type == 0) sum = quant_inter(coeff, data, quant); |
346 |
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else sum = quant4_inter(coeff, data, quant); |
347 |
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348 |
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if (sum > 0) { |
349 |
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*cbp |= 1 << (5 - block); |
350 |
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bits = CodeCoeffInter_CalcBits(coeff, scan_tables[0]); |
351 |
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} else bits = 0; |
352 |
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353 |
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if (RD) { |
354 |
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int i; |
355 |
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if (quant_type == 0) dequant_inter_c(coeff, coeff, quant); |
356 |
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else dequant4_inter_c(coeff, coeff, quant); |
357 |
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358 |
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for (i = 0; i < 64; i++) { |
359 |
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distortion += (data[i] - coeff[i])*(data[i] - coeff[i]); |
360 |
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} |
361 |
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} |
362 |
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363 |
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bits += distortion/lambda; |
364 |
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365 |
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return bits; |
366 |
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} |
367 |
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*/ |
368 |
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369 |
#endif /* _MOTION_EST_H_ */ |
#endif /* _MOTION_EST_H_ */ |