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* along with this program; if not, write to the Free Software |
* along with this program; if not, write to the Free Software |
27 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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* |
* |
29 |
* $Id: motion_est.h,v 1.7 2003-05-13 12:48:20 syskin Exp $ |
* $Id: motion_est.h,v 1.8 2003-05-14 13:21:47 syskin Exp $ |
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* |
* |
31 |
***************************************************************************/ |
***************************************************************************/ |
32 |
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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 |
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137 |
VECTOR directmvF[4]; |
VECTOR directmvF[4]; |
138 |
VECTOR directmvB[4]; |
VECTOR directmvB[4]; |
139 |
const VECTOR * referencemv; |
const VECTOR * referencemv; |
140 |
// _BITS stuff |
// BITS/R-D stuff |
141 |
int16_t * dctSpace; |
int16_t * dctSpace; |
142 |
uint32_t iQuant; |
uint32_t iQuant; |
143 |
uint32_t quant_type; |
uint32_t quant_type; |
265 |
if (Flags & QUARTERPELREFINE8_BITS) |
if (Flags & QUARTERPELREFINE8_BITS) |
266 |
Flags &= ~PMV_QUARTERPELREFINE8; |
Flags &= ~PMV_QUARTERPELREFINE8; |
267 |
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268 |
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if (Flags & QUARTERPELREFINE16_BITS) |
269 |
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Flags &= ~PMV_QUARTERPELREFINE16; |
270 |
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271 |
if (!(GlobalFlags & XVID_QUARTERPEL)) |
if (!(GlobalFlags & XVID_QUARTERPEL)) |
272 |
Flags &= ~(PMV_QUARTERPELREFINE16+PMV_QUARTERPELREFINE8+QUARTERPELREFINE16_BITS+QUARTERPELREFINE8_BITS); |
Flags &= ~(PMV_QUARTERPELREFINE16+PMV_QUARTERPELREFINE8+QUARTERPELREFINE16_BITS+QUARTERPELREFINE8_BITS); |
273 |
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306 |
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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 |
static int |
#define LAMBDA ( (int)(1.0*BITS_MULT) ) |
311 |
CountDistortionSkip(const SearchData * const Data); |
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*/ |
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312 |
static __inline unsigned int |
static __inline unsigned int |
313 |
Block_CalcBits(uint16_t * const coeff, |
Block_CalcBits( int16_t * const coeff, |
314 |
uint16_t * const data, |
int16_t * const data, |
315 |
const uint32_t quant, const int quant_type, |
const uint32_t quant, const int quant_type, |
316 |
uint32_t * cbp, |
uint32_t * cbp, |
317 |
const int block, |
const int block) |
|
const int RD) |
|
318 |
{ |
{ |
319 |
int sum; |
int sum; |
320 |
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int bits; |
321 |
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const int lambda = LAMBDA*quant*quant; |
322 |
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int distortion = 0; |
323 |
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int i; |
324 |
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325 |
fdct(data); |
fdct(data); |
326 |
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329 |
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330 |
if (sum > 0) { |
if (sum > 0) { |
331 |
*cbp |= 1 << (5 - block); |
*cbp |= 1 << (5 - block); |
332 |
return CodeCoeffInter_CalcBits(coeff, scan_tables[0]); |
bits = BITS_MULT * CodeCoeffInter_CalcBits(coeff, scan_tables[0]); |
333 |
} else return 0; |
} else bits = 0; |
334 |
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335 |
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if (quant_type == 0) dequant_inter(coeff, coeff, quant); |
336 |
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else dequant4_inter(coeff, coeff, quant); |
337 |
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338 |
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for (i = 0; i < 64; i++) { |
339 |
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distortion += (data[i] - coeff[i])*(data[i] - coeff[i]); |
340 |
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} |
341 |
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bits += (BITS_MULT*BITS_MULT*distortion)/lambda; |
342 |
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343 |
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344 |
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return bits; |
345 |
} |
} |
346 |
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/* RD experiment. ignore. |
|
347 |
static __inline unsigned int |
static __inline unsigned int |
348 |
Block_CalcBits( int16_t * const coeff, |
Block_CalcBitsIntra(int16_t * const coeff, |
349 |
int16_t * const data, |
int16_t * const data, |
350 |
const uint32_t quant, const int quant_type, |
const uint32_t quant, const int quant_type, |
351 |
uint32_t * cbp, |
uint32_t * cbp, |
352 |
const int block, |
const int block, |
353 |
const int RD) |
int * dcpred) |
354 |
{ |
{ |
355 |
int sum; |
int bits, i; |
356 |
int bits; |
const int lambda = LAMBDA*quant*quant; |
|
const int lambda = quant*quant/2; |
|
357 |
int distortion = 0; |
int distortion = 0; |
358 |
|
uint32_t iDcScaler = get_dc_scaler(quant, block > 3); |
359 |
|
int b_dc; |
360 |
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|
361 |
fdct(data); |
fdct(data); |
362 |
|
data[0] -= 1024; |
363 |
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|
364 |
if (quant_type == 0) sum = quant_inter(coeff, data, quant); |
if (quant_type == 0) quant_intra(coeff, data, quant, iDcScaler); |
365 |
else sum = quant4_inter(coeff, data, quant); |
else quant4_intra(coeff, data, quant, iDcScaler); |
366 |
|
|
367 |
if (sum > 0) { |
b_dc = coeff[0]; |
368 |
*cbp |= 1 << (5 - block); |
if (block < 4) { |
369 |
bits = CodeCoeffInter_CalcBits(coeff, scan_tables[0]); |
coeff[0] -= *dcpred; |
370 |
} else bits = 0; |
*dcpred = b_dc; |
371 |
|
} |
372 |
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|
373 |
if (RD) { |
*cbp |= 1 << (5 - block); |
374 |
int i; |
bits = BITS_MULT*CodeCoeffIntra_CalcBits(coeff, scan_tables[0]); |
375 |
if (quant_type == 0) dequant_inter_c(coeff, coeff, quant); |
bits += BITS_MULT*dcy_tab[coeff[0] + 255].len; |
376 |
else dequant4_inter_c(coeff, coeff, quant); |
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 |
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|
382 |
for (i = 0; i < 64; i++) { |
for (i = 0; i < 64; i++) { |
383 |
distortion += (data[i] - coeff[i])*(data[i] - coeff[i]); |
distortion += (data[i] - coeff[i])*(data[i] - coeff[i]); |
384 |
} |
} |
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} |
|
385 |
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|
386 |
bits += distortion/lambda; |
bits += (BITS_MULT*BITS_MULT*distortion)/lambda; |
387 |
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|
388 |
return bits; |
return bits; |
389 |
} |
} |
|
*/ |
|
390 |
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391 |
#endif /* _MOTION_EST_H_ */ |
#endif /* _MOTION_EST_H_ */ |