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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42 |
// very large value |
/* very large value */ |
43 |
#define MV_MAX_ERROR (4096 * 256) |
#define MV_MAX_ERROR (4096 * 256) |
44 |
|
|
45 |
/* INTER bias for INTER/INTRA decision; mpeg4 spec suggests 2*nb */ |
/* INTER bias for INTER/INTRA decision; mpeg4 spec suggests 2*nb */ |
50 |
#define NEIGH_TEND_8X8 40.0 |
#define NEIGH_TEND_8X8 40.0 |
51 |
#define NEIGH_8X8_BIAS 30 |
#define NEIGH_8X8_BIAS 30 |
52 |
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53 |
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#define BITS_MULT 16 |
54 |
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55 |
/* Parameters which control inter/inter4v decision */ |
/* Parameters which control inter/inter4v decision */ |
56 |
#define IMV16X16 2 |
#define IMV16X16 2 |
57 |
|
|
91 |
(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), |
92 |
(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) }; |
93 |
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94 |
// mv.length table |
/* mv.length table */ |
95 |
static const int mvtab[64] = { |
static const int mvtab[64] = { |
96 |
1, 2, 3, 4, 6, 7, 7, 7, |
1, 2, 3, 4, 6, 7, 7, 7, |
97 |
9, 9, 9, 10, 10, 10, 10, 10, |
9, 9, 9, 10, 10, 10, 10, 10, |
109 |
|
|
110 |
typedef struct |
typedef struct |
111 |
{ |
{ |
112 |
// general fields |
/* general fields */ |
113 |
int max_dx, min_dx, max_dy, min_dy; |
int max_dx, min_dx, max_dy, min_dy; |
114 |
uint32_t rounding; |
uint32_t rounding; |
115 |
VECTOR predMV; |
VECTOR predMV; |
116 |
VECTOR * currentMV; |
VECTOR * currentMV; |
117 |
VECTOR * currentQMV; |
VECTOR * currentQMV; |
118 |
int32_t * iMinSAD; |
int32_t * iMinSAD; |
119 |
const uint8_t * RefP[6]; // N, V, H, HV, cU, cV |
const uint8_t * RefP[6]; /* N, V, H, HV, cU, cV */ |
120 |
const uint8_t * CurU; |
const uint8_t * CurU; |
121 |
const uint8_t * CurV; |
const uint8_t * CurV; |
122 |
uint8_t * RefQ; |
uint8_t * RefQ; |
129 |
int qpel, qpel_precision; |
int qpel, qpel_precision; |
130 |
int chroma; |
int chroma; |
131 |
int rrv; |
int rrv; |
132 |
//fields for interpolate and direct modes |
|
133 |
const uint8_t * b_RefP[6]; // N, V, H, HV, cU, cV |
/* fields for interpolate and direct modes */ |
134 |
|
const uint8_t * b_RefP[6]; /* N, V, H, HV, cU, cV */ |
135 |
VECTOR bpredMV; |
VECTOR bpredMV; |
136 |
uint32_t bFcode; |
uint32_t bFcode; |
137 |
// fields for direct mode |
|
138 |
|
/* fields for direct mode */ |
139 |
VECTOR directmvF[4]; |
VECTOR directmvF[4]; |
140 |
VECTOR directmvB[4]; |
VECTOR directmvB[4]; |
141 |
const VECTOR * referencemv; |
const VECTOR * referencemv; |
142 |
// _BITS stuff |
|
143 |
|
/* BITS/R-D stuff */ |
144 |
int16_t * dctSpace; |
int16_t * dctSpace; |
145 |
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uint32_t iQuant; |
146 |
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uint32_t quant_type; |
147 |
|
|
148 |
} SearchData; |
} SearchData; |
149 |
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|
224 |
const int x, |
const int x, |
225 |
const int y, |
const int y, |
226 |
const uint32_t MotionFlags, |
const uint32_t MotionFlags, |
227 |
const uint32_t GlobalFlags, |
const uint32_t VopFlags, |
228 |
const uint32_t iQuant, |
const uint32_t VolFlags, |
229 |
SearchData * const Data, |
SearchData * const Data, |
230 |
const MBParam * const pParam, |
const MBParam * const pParam, |
231 |
const MACROBLOCK * const pMBs, |
const MACROBLOCK * const pMBs, |
232 |
const MACROBLOCK * const prevMBs, |
const MACROBLOCK * const prevMBs, |
|
int inter4v, |
|
233 |
MACROBLOCK * const pMB); |
MACROBLOCK * const pMB); |
234 |
|
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|
235 |
static WARPPOINTS |
static WARPPOINTS |
236 |
GlobalMotionEst(const MACROBLOCK * const pMBs, |
GlobalMotionEst(const MACROBLOCK * const pMBs, |
237 |
const MBParam * const pParam, |
const MBParam * const pParam, |
286 |
#include "../quant/quant_mpeg4.h" |
#include "../quant/quant_mpeg4.h" |
287 |
#include "../quant/quant_h263.h" |
#include "../quant/quant_h263.h" |
288 |
#include "../bitstream/vlc_codes.h" |
#include "../bitstream/vlc_codes.h" |
289 |
|
#include "../dct/fdct.h" |
290 |
|
|
291 |
static int |
static int |
292 |
CountMBBitsInter(SearchData * const Data, |
CountMBBitsInter(SearchData * const Data, |
307 |
int CodeCoeffIntra_CalcBits(const int16_t qcoeff[64], const uint16_t * zigzag); |
int CodeCoeffIntra_CalcBits(const int16_t qcoeff[64], const uint16_t * zigzag); |
308 |
int CodeCoeffInter_CalcBits(const int16_t qcoeff[64], const uint16_t * zigzag); |
int CodeCoeffInter_CalcBits(const int16_t qcoeff[64], const uint16_t * zigzag); |
309 |
|
|
310 |
|
#define LAMBDA ( (int)(1.0*BITS_MULT) ) |
311 |
|
|
312 |
|
static __inline unsigned int |
313 |
|
Block_CalcBits( int16_t * const coeff, |
314 |
|
int16_t * const data, |
315 |
|
const uint32_t quant, const int quant_type, |
316 |
|
uint32_t * cbp, |
317 |
|
const int block) |
318 |
|
{ |
319 |
|
int sum; |
320 |
|
int bits; |
321 |
|
const int lambda = LAMBDA*quant*quant; |
322 |
|
int distortion = 0; |
323 |
|
int i; |
324 |
|
|
325 |
|
fdct(data); |
326 |
|
|
327 |
|
if (quant_type == 0) sum = quant_inter(coeff, data, quant); |
328 |
|
else sum = quant4_inter(coeff, data, quant); |
329 |
|
|
330 |
|
if (sum > 0) { |
331 |
|
*cbp |= 1 << (5 - block); |
332 |
|
bits = BITS_MULT * CodeCoeffInter_CalcBits(coeff, scan_tables[0]); |
333 |
|
} else bits = 0; |
334 |
|
|
335 |
|
if (quant_type == 0) dequant_inter(coeff, coeff, quant); |
336 |
|
else dequant4_inter(coeff, coeff, quant); |
337 |
|
|
338 |
|
for (i = 0; i < 64; i++) { |
339 |
|
distortion += (data[i] - coeff[i])*(data[i] - coeff[i]); |
340 |
|
} |
341 |
|
bits += (BITS_MULT*BITS_MULT*distortion)/lambda; |
342 |
|
|
343 |
|
|
344 |
|
return bits; |
345 |
|
} |
346 |
|
|
347 |
|
static __inline unsigned int |
348 |
|
Block_CalcBitsIntra(int16_t * const coeff, |
349 |
|
int16_t * const data, |
350 |
|
const uint32_t quant, const int quant_type, |
351 |
|
uint32_t * cbp, |
352 |
|
const int block, |
353 |
|
int * dcpred) |
354 |
|
{ |
355 |
|
int bits, i; |
356 |
|
const int lambda = LAMBDA*quant*quant; |
357 |
|
int distortion = 0; |
358 |
|
uint32_t iDcScaler = get_dc_scaler(quant, block > 3); |
359 |
|
int b_dc; |
360 |
|
|
361 |
|
fdct(data); |
362 |
|
data[0] -= 1024; |
363 |
|
|
364 |
|
if (quant_type == 0) quant_intra(coeff, data, quant, iDcScaler); |
365 |
|
else quant4_intra(coeff, data, quant, iDcScaler); |
366 |
|
|
367 |
|
b_dc = coeff[0]; |
368 |
|
if (block < 4) { |
369 |
|
coeff[0] -= *dcpred; |
370 |
|
*dcpred = b_dc; |
371 |
|
} |
372 |
|
|
373 |
|
*cbp |= 1 << (5 - block); |
374 |
|
bits = BITS_MULT*CodeCoeffIntra_CalcBits(coeff, scan_tables[0]); |
375 |
|
bits += BITS_MULT*dcy_tab[coeff[0] + 255].len; |
376 |
|
if (bits != 0) *cbp |= 1 << (5 - block); |
377 |
|
|
378 |
|
coeff[0] = b_dc; |
379 |
|
if (quant_type == 0) dequant_intra(coeff, coeff, quant, iDcScaler); |
380 |
|
else dequant4_intra(coeff, coeff, quant, iDcScaler); |
381 |
|
|
382 |
|
for (i = 0; i < 64; i++) { |
383 |
|
distortion += (data[i] - coeff[i])*(data[i] - coeff[i]); |
384 |
|
} |
385 |
|
|
386 |
|
bits += (BITS_MULT*BITS_MULT*distortion)/lambda; |
387 |
|
|
388 |
|
return bits; |
389 |
|
} |
390 |
|
|
391 |
#endif /* _MOTION_EST_H_ */ |
#endif /* _MOTION_EST_H_ */ |