302 |
int CodeCoeffIntra_CalcBits(const int16_t qcoeff[64], const uint16_t * zigzag); |
int CodeCoeffIntra_CalcBits(const int16_t qcoeff[64], const uint16_t * zigzag); |
303 |
int CodeCoeffInter_CalcBits(const int16_t qcoeff[64], const uint16_t * zigzag); |
int CodeCoeffInter_CalcBits(const int16_t qcoeff[64], const uint16_t * zigzag); |
304 |
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305 |
#define LAMBDA ( (int)(1.0*BITS_MULT) ) |
/* one over lambda for R-D mode decision and motion search */ |
306 |
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#define LAMBDA ( (int)(BITS_MULT/1.0) ) |
307 |
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308 |
static __inline unsigned int |
static __inline unsigned int |
309 |
Block_CalcBits( int16_t * const coeff, |
Block_CalcBits( int16_t * const coeff, |
310 |
int16_t * const data, |
int16_t * const data, |
311 |
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int16_t * const dqcoeff, |
312 |
const uint32_t quant, const int quant_type, |
const uint32_t quant, const int quant_type, |
313 |
uint32_t * cbp, |
uint32_t * cbp, |
314 |
const int block) |
const int block) |
315 |
{ |
{ |
316 |
int sum; |
int sum; |
317 |
int bits; |
int bits; |
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const int lambda = LAMBDA*quant*quant; |
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318 |
int distortion = 0; |
int distortion = 0; |
319 |
int i; |
int i; |
320 |
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328 |
bits = BITS_MULT * CodeCoeffInter_CalcBits(coeff, scan_tables[0]); |
bits = BITS_MULT * CodeCoeffInter_CalcBits(coeff, scan_tables[0]); |
329 |
} else bits = 0; |
} else bits = 0; |
330 |
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331 |
if (quant_type == 0) dequant_inter(coeff, coeff, quant); |
if (quant_type == 0) dequant_inter(dqcoeff, coeff, quant); |
332 |
else dequant4_inter(coeff, coeff, quant); |
else dequant4_inter(dqcoeff, coeff, quant); |
333 |
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334 |
for (i = 0; i < 64; i++) { |
for (i = 0; i < 64; i++) { |
335 |
distortion += (data[i] - coeff[i])*(data[i] - coeff[i]); |
distortion += (data[i] - dqcoeff[i])*(data[i] - dqcoeff[i]); |
336 |
} |
} |
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bits += (BITS_MULT*BITS_MULT*distortion)/lambda; |
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337 |
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338 |
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bits += (LAMBDA*distortion)/(quant*quant); |
339 |
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340 |
return bits; |
return bits; |
341 |
} |
} |
343 |
static __inline unsigned int |
static __inline unsigned int |
344 |
Block_CalcBitsIntra(int16_t * const coeff, |
Block_CalcBitsIntra(int16_t * const coeff, |
345 |
int16_t * const data, |
int16_t * const data, |
346 |
|
int16_t * const dqcoeff, |
347 |
const uint32_t quant, const int quant_type, |
const uint32_t quant, const int quant_type, |
348 |
uint32_t * cbp, |
uint32_t * cbp, |
349 |
const int block, |
const int block, |
350 |
int * dcpred) |
int * dcpred) |
351 |
{ |
{ |
352 |
int bits, i; |
int bits, i; |
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const int lambda = LAMBDA*quant*quant; |
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353 |
int distortion = 0; |
int distortion = 0; |
354 |
uint32_t iDcScaler = get_dc_scaler(quant, block < 4); |
uint32_t iDcScaler = get_dc_scaler(quant, block < 4); |
355 |
int b_dc; |
int b_dc; |
357 |
fdct(data); |
fdct(data); |
358 |
data[0] -= 1024; |
data[0] -= 1024; |
359 |
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360 |
if (quant_type == 0) quant_intra_c(coeff, data, quant, iDcScaler); // MUST BE _C |
if (quant_type == 0) quant_intra(coeff, data, quant, iDcScaler); |
361 |
else quant4_intra_c(coeff, data, quant, iDcScaler); // MUST BE _C |
else quant4_intra(coeff, data, quant, iDcScaler); |
362 |
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363 |
b_dc = coeff[0]; |
b_dc = coeff[0]; |
364 |
if (block < 4) { |
if (block < 4) { |
373 |
else bits += BITS_MULT*dcc_tab[coeff[0] + 255].len; |
else bits += BITS_MULT*dcc_tab[coeff[0] + 255].len; |
374 |
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375 |
coeff[0] = b_dc; |
coeff[0] = b_dc; |
376 |
if (quant_type == 0) dequant_intra(coeff, coeff, quant, iDcScaler); |
if (quant_type == 0) dequant_intra(dqcoeff, coeff, quant, iDcScaler); |
377 |
else dequant4_intra(coeff, coeff, quant, iDcScaler); |
else dequant4_intra(dqcoeff, coeff, quant, iDcScaler); |
378 |
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379 |
for (i = 0; i < 64; i++) { |
for (i = 0; i < 64; i++) { |
380 |
distortion += (data[i] - coeff[i])*(data[i] - coeff[i]); |
distortion += (data[i] - dqcoeff[i])*(data[i] - dqcoeff[i]); |
381 |
} |
} |
382 |
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383 |
bits += (BITS_MULT*BITS_MULT*distortion)/lambda; |
bits += (LAMBDA*distortion)/(quant*quant); |
384 |
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385 |
return bits; |
return bits; |
386 |
} |
} |
387 |
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388 |
#endif /* _MOTION_EST_H_ */ |
#endif /* _MOTION_EST_H_ */ |