1 |
/************************************************************************** |
/************************************************************************** |
2 |
* |
* |
3 |
|
* XVID MPEG-4 VIDEO CODEC |
4 |
|
* motion estimation |
5 |
|
* |
6 |
|
* This program is an implementation of a part of one or more MPEG-4 |
7 |
|
* Video tools as specified in ISO/IEC 14496-2 standard. Those intending |
8 |
|
* to use this software module in hardware or software products are |
9 |
|
* advised that its use may infringe existing patents or copyrights, and |
10 |
|
* any such use would be at such party's own risk. The original |
11 |
|
* developer of this software module and his/her company, and subsequent |
12 |
|
* editors and their companies, will have no liability for use of this |
13 |
|
* software or modifications or derivatives thereof. |
14 |
|
* |
15 |
|
* This program is free software; you can redistribute it and/or modify |
16 |
|
* it under the terms of the GNU General Public License as published by |
17 |
|
* the Free Software Foundation; either version 2 of the License, or |
18 |
|
* (at your option) any later version. |
19 |
|
* |
20 |
|
* This program is distributed in the hope that it will be useful, |
21 |
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
22 |
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
23 |
|
* GNU General Public License for more details. |
24 |
|
* |
25 |
|
* You should have received a copy of the GNU General Public License |
26 |
|
* along with this program; if not, write to the Free Software |
27 |
|
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
28 |
|
* |
29 |
|
*************************************************************************/ |
30 |
|
|
31 |
|
/************************************************************************** |
32 |
|
* |
33 |
* Modifications: |
* Modifications: |
34 |
* |
* |
35 |
|
* 01.05.2002 updated MotionEstimationBVOP |
36 |
* 25.04.2002 partial prevMB conversion |
* 25.04.2002 partial prevMB conversion |
37 |
* 22.04.2002 remove some compile warning by chenm001 <chenm001@163.com> |
* 22.04.2002 remove some compile warning by chenm001 <chenm001@163.com> |
38 |
* 14.04.2002 added MotionEstimationBVOP() |
* 14.04.2002 added MotionEstimationBVOP() |
77 |
#include "motion.h" |
#include "motion.h" |
78 |
#include "sad.h" |
#include "sad.h" |
79 |
|
|
|
// very large value |
|
|
#define MV_MAX_ERROR (4096 * 256) |
|
|
|
|
|
// stop search if sdelta < THRESHOLD |
|
|
#define MV16_THRESHOLD 192 |
|
|
#define MV8_THRESHOLD 56 |
|
|
|
|
|
/* sad16(0,0) bias; mpeg4 spec suggests nb/2+1 */ |
|
|
/* nb = vop pixels * 2^(bpp-8) */ |
|
|
#define MV16_00_BIAS (128+1) |
|
|
|
|
|
/* INTER bias for INTER/INTRA decision; mpeg4 spec suggests 2*nb */ |
|
|
#define INTER_BIAS 512 |
|
|
|
|
|
/* Parameters which control inter/inter4v decision */ |
|
|
#define IMV16X16 5 |
|
|
|
|
|
/* vector map (vlc delta size) smoother parameters */ |
|
|
#define NEIGH_TEND_16X16 2 |
|
|
#define NEIGH_TEND_8X8 2 |
|
|
|
|
|
|
|
|
// fast ((A)/2)*2 |
|
|
#define EVEN(A) (((A)<0?(A)+1:(A)) & ~1) |
|
|
|
|
|
|
|
|
int32_t PMVfastSearch16( |
|
|
const uint8_t * const pRef, |
|
|
const uint8_t * const pRefH, |
|
|
const uint8_t * const pRefV, |
|
|
const uint8_t * const pRefHV, |
|
|
const IMAGE * const pCur, |
|
|
const int x, const int y, |
|
|
const uint32_t MotionFlags, |
|
|
const uint32_t iQuant, |
|
|
const uint32_t iFcode, |
|
|
const MBParam * const pParam, |
|
|
const MACROBLOCK * const pMBs, |
|
|
const MACROBLOCK * const prevMBs, |
|
|
VECTOR * const currMV, |
|
|
VECTOR * const currPMV); |
|
|
|
|
|
int32_t EPZSSearch16( |
|
|
const uint8_t * const pRef, |
|
|
const uint8_t * const pRefH, |
|
|
const uint8_t * const pRefV, |
|
|
const uint8_t * const pRefHV, |
|
|
const IMAGE * const pCur, |
|
|
const int x, const int y, |
|
|
const uint32_t MotionFlags, |
|
|
const uint32_t iQuant, |
|
|
const uint32_t iFcode, |
|
|
const MBParam * const pParam, |
|
|
const MACROBLOCK * const pMBs, |
|
|
const MACROBLOCK * const prevMBs, |
|
|
VECTOR * const currMV, |
|
|
VECTOR * const currPMV); |
|
|
|
|
|
|
|
|
int32_t PMVfastSearch8( |
|
|
const uint8_t * const pRef, |
|
|
const uint8_t * const pRefH, |
|
|
const uint8_t * const pRefV, |
|
|
const uint8_t * const pRefHV, |
|
|
const IMAGE * const pCur, |
|
|
const int x, const int y, |
|
|
const int start_x, const int start_y, |
|
|
const uint32_t MotionFlags, |
|
|
const uint32_t iQuant, |
|
|
const uint32_t iFcode, |
|
|
const MBParam * const pParam, |
|
|
const MACROBLOCK * const pMBs, |
|
|
const MACROBLOCK * const prevMBs, |
|
|
VECTOR * const currMV, |
|
|
VECTOR * const currPMV); |
|
|
|
|
|
int32_t EPZSSearch8( |
|
|
const uint8_t * const pRef, |
|
|
const uint8_t * const pRefH, |
|
|
const uint8_t * const pRefV, |
|
|
const uint8_t * const pRefHV, |
|
|
const IMAGE * const pCur, |
|
|
const int x, const int y, |
|
|
const int start_x, const int start_y, |
|
|
const uint32_t MotionFlags, |
|
|
const uint32_t iQuant, |
|
|
const uint32_t iFcode, |
|
|
const MBParam * const pParam, |
|
|
const MACROBLOCK * const pMBs, |
|
|
const MACROBLOCK * const prevMBs, |
|
|
VECTOR * const currMV, |
|
|
VECTOR * const currPMV); |
|
|
|
|
80 |
|
|
|
typedef int32_t (MainSearch16Func)( |
|
|
const uint8_t * const pRef, |
|
|
const uint8_t * const pRefH, |
|
|
const uint8_t * const pRefV, |
|
|
const uint8_t * const pRefHV, |
|
|
const uint8_t * const cur, |
|
|
const int x, const int y, |
|
|
int32_t startx, int32_t starty, |
|
|
int32_t iMinSAD, |
|
|
VECTOR * const currMV, |
|
|
const VECTOR * const pmv, |
|
|
const int32_t min_dx, const int32_t max_dx, |
|
|
const int32_t min_dy, const int32_t max_dy, |
|
|
const int32_t iEdgedWidth, |
|
|
const int32_t iDiamondSize, |
|
|
const int32_t iFcode, |
|
|
const int32_t iQuant, |
|
|
int iFound); |
|
81 |
|
|
82 |
typedef MainSearch16Func* MainSearch16FuncPtr; |
static int32_t lambda_vec16[32] = /* rounded values for lambda param for weight of motion bits as in modified H.26L */ |
83 |
|
{ 0, (int) (1.00235 + 0.5), (int) (1.15582 + 0.5), (int) (1.31976 + 0.5), |
84 |
|
(int) (1.49591 + 0.5), (int) (1.68601 + 0.5), |
85 |
|
(int) (1.89187 + 0.5), (int) (2.11542 + 0.5), (int) (2.35878 + 0.5), |
86 |
|
(int) (2.62429 + 0.5), (int) (2.91455 + 0.5), |
87 |
|
(int) (3.23253 + 0.5), (int) (3.58158 + 0.5), (int) (3.96555 + 0.5), |
88 |
|
(int) (4.38887 + 0.5), (int) (4.85673 + 0.5), |
89 |
|
(int) (5.37519 + 0.5), (int) (5.95144 + 0.5), (int) (6.59408 + 0.5), |
90 |
|
(int) (7.31349 + 0.5), (int) (8.12242 + 0.5), |
91 |
|
(int) (9.03669 + 0.5), (int) (10.0763 + 0.5), (int) (11.2669 + 0.5), |
92 |
|
(int) (12.6426 + 0.5), (int) (14.2493 + 0.5), |
93 |
|
(int) (16.1512 + 0.5), (int) (18.442 + 0.5), (int) (21.2656 + 0.5), |
94 |
|
(int) (24.8580 + 0.5), (int) (29.6436 + 0.5), |
95 |
|
(int) (36.4949 + 0.5) |
96 |
|
}; |
97 |
|
|
98 |
|
static int32_t *lambda_vec8 = lambda_vec16; /* same table for INTER and INTER4V for now */ |
99 |
|
|
|
typedef int32_t (MainSearch8Func)( |
|
|
const uint8_t * const pRef, |
|
|
const uint8_t * const pRefH, |
|
|
const uint8_t * const pRefV, |
|
|
const uint8_t * const pRefHV, |
|
|
const uint8_t * const cur, |
|
|
const int x, const int y, |
|
|
int32_t startx, int32_t starty, |
|
|
int32_t iMinSAD, |
|
|
VECTOR * const currMV, |
|
|
const VECTOR * const pmv, |
|
|
const int32_t min_dx, const int32_t max_dx, |
|
|
const int32_t min_dy, const int32_t max_dy, |
|
|
const int32_t iEdgedWidth, |
|
|
const int32_t iDiamondSize, |
|
|
const int32_t iFcode, |
|
|
const int32_t iQuant, |
|
|
int iFound); |
|
100 |
|
|
|
typedef MainSearch8Func* MainSearch8FuncPtr; |
|
101 |
|
|
102 |
// mv.length table |
// mv.length table |
103 |
static const uint32_t mvtab[33] = { |
static const uint32_t mvtab[33] = { |
108 |
}; |
}; |
109 |
|
|
110 |
|
|
111 |
static __inline uint32_t mv_bits(int32_t component, const uint32_t iFcode) |
static __inline uint32_t |
112 |
|
mv_bits(int32_t component, |
113 |
|
const uint32_t iFcode) |
114 |
{ |
{ |
115 |
if (component == 0) |
if (component == 0) |
116 |
return 1; |
return 1; |
118 |
if (component < 0) |
if (component < 0) |
119 |
component = -component; |
component = -component; |
120 |
|
|
121 |
if (iFcode == 1) |
if (iFcode == 1) { |
|
{ |
|
122 |
if (component > 32) |
if (component > 32) |
123 |
component = 32; |
component = 32; |
124 |
|
|
135 |
} |
} |
136 |
|
|
137 |
|
|
138 |
static __inline uint32_t calc_delta_16(const int32_t dx, const int32_t dy, const uint32_t iFcode) |
static __inline uint32_t |
139 |
|
calc_delta_16(const int32_t dx, |
140 |
|
const int32_t dy, |
141 |
|
const uint32_t iFcode, |
142 |
|
const uint32_t iQuant) |
143 |
{ |
{ |
144 |
return NEIGH_TEND_16X16 * (mv_bits(dx, iFcode) + mv_bits(dy, iFcode)); |
return NEIGH_TEND_16X16 * lambda_vec16[iQuant] * (mv_bits(dx, iFcode) + |
145 |
|
mv_bits(dy, iFcode)); |
146 |
} |
} |
147 |
|
|
148 |
static __inline uint32_t calc_delta_8(const int32_t dx, const int32_t dy, const uint32_t iFcode) |
static __inline uint32_t |
149 |
|
calc_delta_8(const int32_t dx, |
150 |
|
const int32_t dy, |
151 |
|
const uint32_t iFcode, |
152 |
|
const uint32_t iQuant) |
153 |
{ |
{ |
154 |
return NEIGH_TEND_8X8 * (mv_bits(dx, iFcode) + mv_bits(dy, iFcode)); |
return NEIGH_TEND_8X8 * lambda_vec8[iQuant] * (mv_bits(dx, iFcode) + |
155 |
|
mv_bits(dy, iFcode)); |
156 |
} |
} |
157 |
|
|
158 |
|
bool |
159 |
|
MotionEstimation(MBParam * const pParam, |
|
|
|
|
|
|
|
#ifndef SEARCH16 |
|
|
#define SEARCH16 PMVfastSearch16 |
|
|
//#define SEARCH16 FullSearch16 |
|
|
//#define SEARCH16 EPZSSearch16 |
|
|
#endif |
|
|
|
|
|
#ifndef SEARCH8 |
|
|
#define SEARCH8 PMVfastSearch8 |
|
|
//#define SEARCH8 EPZSSearch8 |
|
|
#endif |
|
|
|
|
|
bool MotionEstimation( |
|
|
MBParam * const pParam, |
|
160 |
FRAMEINFO * const current, |
FRAMEINFO * const current, |
161 |
FRAMEINFO * const reference, |
FRAMEINFO * const reference, |
162 |
const IMAGE * const pRefH, |
const IMAGE * const pRefH, |
163 |
const IMAGE * const pRefV, |
const IMAGE * const pRefV, |
164 |
const IMAGE * const pRefHV, |
const IMAGE * const pRefHV, |
165 |
const uint32_t iLimit) |
const uint32_t iLimit) |
|
|
|
166 |
{ |
{ |
167 |
const uint32_t iWcount = pParam->mb_width; |
const uint32_t iWcount = pParam->mb_width; |
168 |
const uint32_t iHcount = pParam->mb_height; |
const uint32_t iHcount = pParam->mb_height; |
169 |
MACROBLOCK * pMBs = current->mbs; |
MACROBLOCK *const pMBs = current->mbs; |
170 |
IMAGE * pCurrent = ¤t->image; |
MACROBLOCK *const prevMBs = reference->mbs; |
171 |
|
const IMAGE *const pCurrent = ¤t->image; |
172 |
MACROBLOCK * prevMBs = reference->mbs; // previous frame |
const IMAGE *const pRef = &reference->image; |
173 |
IMAGE * pRef = &reference->image; |
|
174 |
|
static const VECTOR zeroMV = { 0, 0 }; |
175 |
|
VECTOR predMV; |
176 |
uint32_t i, j, iIntra = 0; |
|
177 |
|
int32_t x, y; |
178 |
VECTOR mv16; |
int32_t iIntra = 0; |
179 |
VECTOR pmv16; |
VECTOR pmv; |
|
|
|
|
int32_t sad8 = 0; |
|
|
int32_t sad16; |
|
|
int32_t deviation; |
|
180 |
|
|
181 |
if (sadInit) |
if (sadInit) |
182 |
(*sadInit)(); |
(*sadInit)(); |
183 |
|
|
184 |
|
for (y = 0; y < iHcount; y++) { |
185 |
|
for (x = 0; x < iWcount; x ++) { |
186 |
|
|
187 |
/* eventhough we have a seperate prevMBs, |
MACROBLOCK *const pMB = &pMBs[x + y * iWcount]; |
|
pmvfast/epsz does something "funny" with the previous frames data */ |
|
|
|
|
|
for (i = 0; i < iHcount; i++) |
|
|
for (j = 0; j < iWcount; j++) |
|
|
{ |
|
|
pMBs[j + i * iWcount].mvs[0] = prevMBs[j + i * iWcount].mvs[0]; |
|
|
pMBs[j + i * iWcount].mvs[1] = prevMBs[j + i * iWcount].mvs[1]; |
|
|
pMBs[j + i * iWcount].mvs[2] = prevMBs[j + i * iWcount].mvs[2]; |
|
|
pMBs[j + i * iWcount].mvs[3] = prevMBs[j + i * iWcount].mvs[3]; |
|
|
} |
|
|
|
|
|
/*dprintf("*** BEFORE ***"); |
|
|
for (i = 0; i < iHcount; i++) |
|
|
for (j = 0; j < iWcount; j++) |
|
|
{ |
|
|
dprintf(" [%i,%i] mode=%i dquant=%i mvs=(%i %i %i %i) sad8=(%i %i %i %i) sad16=(%i)", j,i, |
|
|
pMBs[j + i * iWcount].mode, |
|
|
pMBs[j + i * iWcount].dquant, |
|
|
pMBs[j + i * iWcount].mvs[0], |
|
|
pMBs[j + i * iWcount].mvs[1], |
|
|
pMBs[j + i * iWcount].mvs[2], |
|
|
pMBs[j + i * iWcount].mvs[3], |
|
|
prevMBs[j + i * iWcount].sad8[0], |
|
|
prevMBs[j + i * iWcount].sad8[1], |
|
|
prevMBs[j + i * iWcount].sad8[2], |
|
|
prevMBs[j + i * iWcount].sad8[3], |
|
|
prevMBs[j + i * iWcount].sad16); |
|
|
} |
|
|
*/ |
|
|
|
|
|
// note: i==horizontal, j==vertical |
|
|
for (i = 0; i < iHcount; i++) |
|
|
for (j = 0; j < iWcount; j++) |
|
|
{ |
|
|
MACROBLOCK *pMB = &pMBs[j + i * iWcount]; |
|
|
MACROBLOCK *prevMB = &prevMBs[j + i * iWcount]; |
|
188 |
|
|
189 |
sad16 = SEARCH16(pRef->y, pRefH->y, pRefV->y, pRefHV->y, pCurrent, |
predMV = get_pmv2(pMBs, pParam->mb_width, 0, x, y, 0); |
|
j, i, current->motion_flags, current->quant, current->fcode, |
|
|
pParam, pMBs, prevMBs, &mv16, &pmv16); |
|
|
pMB->sad16=sad16; |
|
190 |
|
|
191 |
|
pMB->sad16 = |
192 |
|
SEARCH16(pRef->y, pRefH->y, pRefV->y, pRefHV->y, pCurrent, |
193 |
|
x, y, predMV.x, predMV.y, predMV.x, predMV.y, |
194 |
|
current->motion_flags, current->quant, |
195 |
|
current->fcode, pParam, pMBs, prevMBs, &pMB->mv16, |
196 |
|
&pMB->pmvs[0]); |
197 |
|
|
198 |
/* decide: MODE_INTER or MODE_INTRA |
if (0 < (pMB->sad16 - MV16_INTER_BIAS)) { |
199 |
if (dev_intra < sad_inter - 2 * nb) use_intra |
int32_t deviation; |
|
*/ |
|
200 |
|
|
201 |
deviation = dev16(pCurrent->y + j*16 + i*16*pParam->edged_width, pParam->edged_width); |
deviation = |
202 |
|
dev16(pCurrent->y + x * 16 + y * 16 * pParam->edged_width, |
203 |
|
pParam->edged_width); |
204 |
|
|
205 |
if (deviation < (sad16 - INTER_BIAS)) |
if (deviation < (pMB->sad16 - MV16_INTER_BIAS)) { |
|
{ |
|
206 |
pMB->mode = MODE_INTRA; |
pMB->mode = MODE_INTRA; |
207 |
pMB->mvs[0].x = pMB->mvs[1].x = pMB->mvs[2].x = pMB->mvs[3].x = 0; |
pMB->mv16 = pMB->mvs[0] = pMB->mvs[1] = pMB->mvs[2] = |
208 |
pMB->mvs[0].y = pMB->mvs[1].y = pMB->mvs[2].y = pMB->mvs[3].y = 0; |
pMB->mvs[3] = zeroMV; |
209 |
|
pMB->sad16 = pMB->sad8[0] = pMB->sad8[1] = pMB->sad8[2] = |
210 |
pMB->sad8[0] = pMB->sad8[1] = pMB->sad8[2] = pMB->sad8[3] = 0; |
pMB->sad8[3] = 0; |
211 |
|
|
212 |
iIntra++; |
iIntra++; |
213 |
if(iIntra >= iLimit) |
if(iIntra >= iLimit) |
215 |
|
|
216 |
continue; |
continue; |
217 |
} |
} |
218 |
|
} |
219 |
|
|
220 |
|
pmv = pMB->pmvs[0]; |
221 |
if (current->global_flags & XVID_INTER4V) |
if (current->global_flags & XVID_INTER4V) |
222 |
{ |
if ((!(current->global_flags & XVID_LUMIMASKING) || |
223 |
pMB->sad8[0] = SEARCH8(pRef->y, pRefH->y, pRefV->y, pRefHV->y, pCurrent, |
pMB->dquant == NO_CHANGE)) { |
224 |
2 * j, 2 * i, mv16.x, mv16.y, |
int32_t sad8 = IMV16X16 * current->quant; |
225 |
current->motion_flags, current->quant, current->fcode, |
|
226 |
pParam, pMBs, prevMBs, &pMB->mvs[0], &pMB->pmvs[0]); |
if (sad8 < pMB->sad16) { |
227 |
|
sad8 += pMB->sad8[0] = |
228 |
pMB->sad8[1] = SEARCH8(pRef->y, pRefH->y, pRefV->y, pRefHV->y, pCurrent, |
SEARCH8(pRef->y, pRefH->y, pRefV->y, pRefHV->y, |
229 |
2 * j + 1, 2 * i, mv16.x, mv16.y, |
pCurrent, 2 * x, 2 * y, |
230 |
current->motion_flags, current->quant, current->fcode, |
pMB->mv16.x, pMB->mv16.y, predMV.x, predMV.y, |
231 |
pParam, pMBs, prevMBs, &pMB->mvs[1], &pMB->pmvs[1]); |
current->motion_flags, |
232 |
|
current->quant, current->fcode, pParam, |
233 |
pMB->sad8[2] = SEARCH8(pRef->y, pRefH->y, pRefV->y, pRefHV->y, pCurrent, |
pMBs, prevMBs, &pMB->mvs[0], |
234 |
2 * j, 2 * i + 1, mv16.x, mv16.y, |
&pMB->pmvs[0]); |
235 |
current->motion_flags, current->quant, current->fcode, |
} |
236 |
pParam, pMBs, prevMBs, &pMB->mvs[2], &pMB->pmvs[2]); |
if (sad8 < pMB->sad16) { |
237 |
|
|
238 |
pMB->sad8[3] = SEARCH8(pRef->y, pRefH->y, pRefV->y, pRefHV->y, pCurrent, |
predMV = get_pmv2(pMBs, pParam->mb_width, 0, x, y, 1); |
239 |
2 * j + 1, 2 * i + 1, mv16.x, mv16.y, |
sad8 += pMB->sad8[1] = |
240 |
current->motion_flags, current->quant, current->fcode, |
SEARCH8(pRef->y, pRefH->y, pRefV->y, pRefHV->y, |
241 |
pParam, pMBs, prevMBs, &pMB->mvs[3], &pMB->pmvs[3]); |
pCurrent, 2 * x + 1, 2 * y, |
242 |
|
pMB->mv16.x, pMB->mv16.y, predMV.x, predMV.y, |
243 |
sad8 = pMB->sad8[0] + pMB->sad8[1] + pMB->sad8[2] + pMB->sad8[3]; |
current->motion_flags, |
244 |
|
current->quant, current->fcode, pParam, |
245 |
|
pMBs, prevMBs, &pMB->mvs[1], |
246 |
|
&pMB->pmvs[1]); |
247 |
|
} |
248 |
|
if (sad8 < pMB->sad16) { |
249 |
|
predMV = get_pmv2(pMBs, pParam->mb_width, 0, x, y, 2); |
250 |
|
sad8 += pMB->sad8[2] = |
251 |
|
SEARCH8(pRef->y, pRefH->y, pRefV->y, pRefHV->y, |
252 |
|
pCurrent, 2 * x, 2 * y + 1, |
253 |
|
pMB->mv16.x, pMB->mv16.y, predMV.x, predMV.y, |
254 |
|
current->motion_flags, |
255 |
|
current->quant, current->fcode, pParam, |
256 |
|
pMBs, prevMBs, &pMB->mvs[2], |
257 |
|
&pMB->pmvs[2]); |
258 |
|
} |
259 |
|
if (sad8 < pMB->sad16) { |
260 |
|
predMV = get_pmv2(pMBs, pParam->mb_width, 0, x, y, 3); |
261 |
|
sad8 += pMB->sad8[3] = |
262 |
|
SEARCH8(pRef->y, pRefH->y, pRefV->y, pRefHV->y, |
263 |
|
pCurrent, 2 * x + 1, 2 * y + 1, |
264 |
|
pMB->mv16.x, pMB->mv16.y, predMV.x, predMV.y, |
265 |
|
current->motion_flags, |
266 |
|
current->quant, current->fcode, pParam, |
267 |
|
pMBs, prevMBs, |
268 |
|
&pMB->mvs[3], |
269 |
|
&pMB->pmvs[3]); |
270 |
} |
} |
271 |
|
|
|
|
|
272 |
/* decide: MODE_INTER or MODE_INTER4V |
/* decide: MODE_INTER or MODE_INTER4V |
273 |
mpeg4: if (sad8 < sad16 - nb/2+1) use_inter4v |
mpeg4: if (sad8 < pMB->sad16 - nb/2+1) use_inter4v |
274 |
*/ |
*/ |
275 |
|
|
276 |
if (!(current->global_flags & XVID_LUMIMASKING) || pMB->dquant == NO_CHANGE) |
if (sad8 < pMB->sad16) { |
|
{ |
|
|
if (((current->global_flags & XVID_INTER4V)==0) || |
|
|
(sad16 < (sad8 + (int32_t)(IMV16X16 * current->quant)))) |
|
|
{ |
|
|
|
|
|
sad8 = sad16; |
|
|
pMB->mode = MODE_INTER; |
|
|
pMB->mvs[0].x = pMB->mvs[1].x = pMB->mvs[2].x = pMB->mvs[3].x = mv16.x; |
|
|
pMB->mvs[0].y = pMB->mvs[1].y = pMB->mvs[2].y = pMB->mvs[3].y = mv16.y; |
|
|
pMB->pmvs[0].x = pmv16.x; |
|
|
pMB->pmvs[0].y = pmv16.y; |
|
|
} |
|
|
else |
|
277 |
pMB->mode = MODE_INTER4V; |
pMB->mode = MODE_INTER4V; |
278 |
|
pMB->sad8[0] *= 4; |
279 |
|
pMB->sad8[1] *= 4; |
280 |
|
pMB->sad8[2] *= 4; |
281 |
|
pMB->sad8[3] *= 4; |
282 |
|
continue; |
283 |
} |
} |
284 |
else |
|
|
{ |
|
|
sad8 = sad16; |
|
|
pMB->mode = MODE_INTER; |
|
|
pMB->mvs[0].x = pMB->mvs[1].x = pMB->mvs[2].x = pMB->mvs[3].x = mv16.x; |
|
|
pMB->mvs[0].y = pMB->mvs[1].y = pMB->mvs[2].y = pMB->mvs[3].y = mv16.y; |
|
|
pMB->pmvs[0].x = pmv16.x; |
|
|
pMB->pmvs[0].y = pmv16.y; |
|
|
} |
|
285 |
} |
} |
286 |
|
|
287 |
/* dprintf("*** AFTER ***", pMBs[0].b_mvs[0].x); |
pMB->mode = MODE_INTER; |
288 |
for (i = 0; i < iHcount; i++) |
pMB->pmvs[0] = pmv; /* pMB->pmvs[1] = pMB->pmvs[2] = pMB->pmvs[3] are not needed for INTER */ |
289 |
for (j = 0; j < iWcount; j++) |
pMB->mvs[0] = pMB->mvs[1] = pMB->mvs[2] = pMB->mvs[3] = pMB->mv16; |
290 |
{ |
pMB->sad8[0] = pMB->sad8[1] = pMB->sad8[2] = pMB->sad8[3] = |
291 |
dprintf(" [%i,%i] mode=%i dquant=%i mvs=(%i %i %i %i) sad8=(%i %i %i %i) sad16=(%i)", j,i, |
pMB->sad16; |
292 |
pMBs[j + i * iWcount].mode, |
} |
|
pMBs[j + i * iWcount].dquant, |
|
|
pMBs[j + i * iWcount].mvs[0], |
|
|
pMBs[j + i * iWcount].mvs[1], |
|
|
pMBs[j + i * iWcount].mvs[2], |
|
|
pMBs[j + i * iWcount].mvs[3], |
|
|
pMBs[j + i * iWcount].sad8[0], |
|
|
pMBs[j + i * iWcount].sad8[1], |
|
|
pMBs[j + i * iWcount].sad8[2], |
|
|
pMBs[j + i * iWcount].sad8[3], |
|
|
pMBs[j + i * iWcount].sad16); |
|
293 |
} |
} |
|
*/ |
|
294 |
|
|
295 |
return 0; |
return 0; |
296 |
} |
} |
297 |
|
|
|
#define MVzero(A) ( ((A).x)==(0) && ((A).y)==(0) ) |
|
|
|
|
|
#define MVequal(A,B) ( ((A).x)==((B).x) && ((A).y)==((B).y) ) |
|
|
|
|
298 |
|
|
299 |
#define CHECK_MV16_ZERO {\ |
#define CHECK_MV16_ZERO {\ |
300 |
if ( (0 <= max_dx) && (0 >= min_dx) \ |
if ( (0 <= max_dx) && (0 >= min_dx) \ |
301 |
&& (0 <= max_dy) && (0 >= min_dy) ) \ |
&& (0 <= max_dy) && (0 >= min_dy) ) \ |
302 |
{ \ |
{ \ |
303 |
iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, 0, 0 , iEdgedWidth), iEdgedWidth, MV_MAX_ERROR); \ |
iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, 0, 0 , iEdgedWidth), iEdgedWidth, MV_MAX_ERROR); \ |
304 |
iSAD += calc_delta_16(-pmv[0].x, -pmv[0].y, (uint8_t)iFcode) * iQuant;\ |
iSAD += calc_delta_16(-center_x, -center_y, (uint8_t)iFcode, iQuant);\ |
|
if (iSAD <= iQuant * 96) \ |
|
|
iSAD -= MV16_00_BIAS; \ |
|
305 |
if (iSAD < iMinSAD) \ |
if (iSAD < iMinSAD) \ |
306 |
{ iMinSAD=iSAD; currMV->x=0; currMV->y=0; } } \ |
{ iMinSAD=iSAD; currMV->x=0; currMV->y=0; } } \ |
307 |
} |
} |
308 |
|
|
309 |
#define NOCHECK_MV16_CANDIDATE(X,Y) { \ |
#define NOCHECK_MV16_CANDIDATE(X,Y) { \ |
310 |
iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, X, Y, iEdgedWidth),iEdgedWidth, iMinSAD); \ |
iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, X, Y, iEdgedWidth),iEdgedWidth, iMinSAD); \ |
311 |
iSAD += calc_delta_16((X) - pmv[0].x, (Y) - pmv[0].y, (uint8_t)iFcode) * iQuant;\ |
iSAD += calc_delta_16((X) - center_x, (Y) - center_y, (uint8_t)iFcode, iQuant);\ |
312 |
if (iSAD < iMinSAD) \ |
if (iSAD < iMinSAD) \ |
313 |
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); } \ |
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); } \ |
314 |
} |
} |
318 |
&& ((Y) <= max_dy) && ((Y) >= min_dy) ) \ |
&& ((Y) <= max_dy) && ((Y) >= min_dy) ) \ |
319 |
{ \ |
{ \ |
320 |
iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, X, Y, iEdgedWidth),iEdgedWidth, iMinSAD); \ |
iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, X, Y, iEdgedWidth),iEdgedWidth, iMinSAD); \ |
321 |
iSAD += calc_delta_16((X) - pmv[0].x, (Y) - pmv[0].y, (uint8_t)iFcode) * iQuant;\ |
iSAD += calc_delta_16((X) - center_x, (Y) - center_y, (uint8_t)iFcode, iQuant);\ |
322 |
if (iSAD < iMinSAD) \ |
if (iSAD < iMinSAD) \ |
323 |
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); } } \ |
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); } } \ |
324 |
} |
} |
328 |
&& ((Y) <= max_dy) && ((Y) >= min_dy) ) \ |
&& ((Y) <= max_dy) && ((Y) >= min_dy) ) \ |
329 |
{ \ |
{ \ |
330 |
iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, X, Y, iEdgedWidth),iEdgedWidth, iMinSAD); \ |
iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, X, Y, iEdgedWidth),iEdgedWidth, iMinSAD); \ |
331 |
iSAD += calc_delta_16((X) - pmv[0].x, (Y) - pmv[0].y, (uint8_t)iFcode) * iQuant;\ |
iSAD += calc_delta_16((X) - center_x, (Y) - center_y, (uint8_t)iFcode, iQuant);\ |
332 |
if (iSAD < iMinSAD) \ |
if (iSAD < iMinSAD) \ |
333 |
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); iDirection=(D); } } \ |
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); iDirection=(D); } } \ |
334 |
} |
} |
338 |
&& ((Y) <= max_dy) && ((Y) >= min_dy) ) \ |
&& ((Y) <= max_dy) && ((Y) >= min_dy) ) \ |
339 |
{ \ |
{ \ |
340 |
iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, X, Y, iEdgedWidth),iEdgedWidth, iMinSAD); \ |
iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, X, Y, iEdgedWidth),iEdgedWidth, iMinSAD); \ |
341 |
iSAD += calc_delta_16((X) - pmv[0].x, (Y) - pmv[0].y, (uint8_t)iFcode) * iQuant;\ |
iSAD += calc_delta_16((X) - center_x, (Y) - center_y, (uint8_t)iFcode, iQuant);\ |
342 |
if (iSAD < iMinSAD) \ |
if (iSAD < iMinSAD) \ |
343 |
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); iDirection=(D); iFound=0; } } \ |
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); iDirection=(D); iFound=0; } } \ |
344 |
} |
} |
346 |
|
|
347 |
#define CHECK_MV8_ZERO {\ |
#define CHECK_MV8_ZERO {\ |
348 |
iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, 0, 0 , iEdgedWidth), iEdgedWidth); \ |
iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, 0, 0 , iEdgedWidth), iEdgedWidth); \ |
349 |
iSAD += calc_delta_8(-pmv[0].x, -pmv[0].y, (uint8_t)iFcode) * iQuant;\ |
iSAD += calc_delta_8(-center_x, -center_y, (uint8_t)iFcode, iQuant);\ |
350 |
if (iSAD < iMinSAD) \ |
if (iSAD < iMinSAD) \ |
351 |
{ iMinSAD=iSAD; currMV->x=0; currMV->y=0; } \ |
{ iMinSAD=iSAD; currMV->x=0; currMV->y=0; } \ |
352 |
} |
} |
354 |
#define NOCHECK_MV8_CANDIDATE(X,Y) \ |
#define NOCHECK_MV8_CANDIDATE(X,Y) \ |
355 |
{ \ |
{ \ |
356 |
iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, (X), (Y), iEdgedWidth),iEdgedWidth); \ |
iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, (X), (Y), iEdgedWidth),iEdgedWidth); \ |
357 |
iSAD += calc_delta_8((X)-pmv[0].x, (Y)-pmv[0].y, (uint8_t)iFcode) * iQuant;\ |
iSAD += calc_delta_8((X)-center_x, (Y)-center_y, (uint8_t)iFcode, iQuant);\ |
358 |
if (iSAD < iMinSAD) \ |
if (iSAD < iMinSAD) \ |
359 |
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); } \ |
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); } \ |
360 |
} |
} |
364 |
&& ((Y) <= max_dy) && ((Y) >= min_dy) ) \ |
&& ((Y) <= max_dy) && ((Y) >= min_dy) ) \ |
365 |
{ \ |
{ \ |
366 |
iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, (X), (Y), iEdgedWidth),iEdgedWidth); \ |
iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, (X), (Y), iEdgedWidth),iEdgedWidth); \ |
367 |
iSAD += calc_delta_8((X)-pmv[0].x, (Y)-pmv[0].y, (uint8_t)iFcode) * iQuant;\ |
iSAD += calc_delta_8((X)-center_x, (Y)-center_y, (uint8_t)iFcode, iQuant);\ |
368 |
if (iSAD < iMinSAD) \ |
if (iSAD < iMinSAD) \ |
369 |
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); } } \ |
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); } } \ |
370 |
} |
} |
374 |
&& ((Y) <= max_dy) && ((Y) >= min_dy) ) \ |
&& ((Y) <= max_dy) && ((Y) >= min_dy) ) \ |
375 |
{ \ |
{ \ |
376 |
iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, (X), (Y), iEdgedWidth),iEdgedWidth); \ |
iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, (X), (Y), iEdgedWidth),iEdgedWidth); \ |
377 |
iSAD += calc_delta_8((X)-pmv[0].x, (Y)-pmv[0].y, (uint8_t)iFcode) * iQuant;\ |
iSAD += calc_delta_8((X)-center_x, (Y)-center_y, (uint8_t)iFcode, iQuant);\ |
378 |
if (iSAD < iMinSAD) \ |
if (iSAD < iMinSAD) \ |
379 |
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); iDirection=(D); } } \ |
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); iDirection=(D); } } \ |
380 |
} |
} |
384 |
&& ((Y) <= max_dy) && ((Y) >= min_dy) ) \ |
&& ((Y) <= max_dy) && ((Y) >= min_dy) ) \ |
385 |
{ \ |
{ \ |
386 |
iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, (X), (Y), iEdgedWidth),iEdgedWidth); \ |
iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, (X), (Y), iEdgedWidth),iEdgedWidth); \ |
387 |
iSAD += calc_delta_8((X)-pmv[0].x, (Y)-pmv[0].y, (uint8_t)iFcode) * iQuant;\ |
iSAD += calc_delta_8((X)-center_x, (Y)-center_y, (uint8_t)iFcode, iQuant);\ |
388 |
if (iSAD < iMinSAD) \ |
if (iSAD < iMinSAD) \ |
389 |
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); iDirection=(D); iFound=0; } } \ |
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); iDirection=(D); iFound=0; } } \ |
390 |
} |
} |
410 |
const int32_t iEdgedWidth = pParam->edged_width; |
const int32_t iEdgedWidth = pParam->edged_width; |
411 |
const uint8_t * cur = pCur->y + x*16 + y*16*iEdgedWidth; |
const uint8_t * cur = pCur->y + x*16 + y*16*iEdgedWidth; |
412 |
int32_t iSAD; |
int32_t iSAD; |
413 |
int32_t pred_x,pred_y; |
VECTOR pred; |
414 |
|
|
415 |
|
|
416 |
get_pmv(pMBs, x, y, pParam->mb_width, 0, &pred_x, &pred_y); |
pred = get_pmv2(pMBs, pParam->mb_width, 0, x, y, 0); |
417 |
|
|
418 |
iSAD = sad16( cur, |
iSAD = sad16( cur, |
419 |
get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, 0,0, iEdgedWidth), |
get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, 0,0, iEdgedWidth), |
423 |
|
|
424 |
currMV->x = 0; |
currMV->x = 0; |
425 |
currMV->y = 0; |
currMV->y = 0; |
426 |
currPMV->x = -pred_x; |
currPMV->x = -pred.x; |
427 |
currPMV->y = -pred_y; |
currPMV->y = -pred.y; |
428 |
|
|
429 |
return iSAD; |
return iSAD; |
430 |
|
|
431 |
} |
} |
432 |
*/ |
*/ |
433 |
|
|
434 |
int32_t Diamond16_MainSearch( |
int32_t |
435 |
const uint8_t * const pRef, |
Diamond16_MainSearch(const uint8_t * const pRef, |
436 |
const uint8_t * const pRefH, |
const uint8_t * const pRefH, |
437 |
const uint8_t * const pRefV, |
const uint8_t * const pRefV, |
438 |
const uint8_t * const pRefHV, |
const uint8_t * const pRefHV, |
439 |
const uint8_t * const cur, |
const uint8_t * const cur, |
440 |
const int x, const int y, |
const int x, |
441 |
int32_t startx, int32_t starty, |
const int y, |
442 |
int32_t iMinSAD, |
const int start_x, |
443 |
|
const int start_y, |
444 |
|
int iMinSAD, |
445 |
VECTOR * const currMV, |
VECTOR * const currMV, |
446 |
const VECTOR * const pmv, |
const int center_x, |
447 |
const int32_t min_dx, const int32_t max_dx, |
const int center_y, |
448 |
const int32_t min_dy, const int32_t max_dy, |
const int32_t min_dx, |
449 |
|
const int32_t max_dx, |
450 |
|
const int32_t min_dy, |
451 |
|
const int32_t max_dy, |
452 |
const int32_t iEdgedWidth, |
const int32_t iEdgedWidth, |
453 |
const int32_t iDiamondSize, |
const int32_t iDiamondSize, |
454 |
const int32_t iFcode, |
const int32_t iFcode, |
458 |
/* Do a diamond search around given starting point, return SAD of best */ |
/* Do a diamond search around given starting point, return SAD of best */ |
459 |
|
|
460 |
int32_t iDirection=0; |
int32_t iDirection=0; |
461 |
|
int32_t iDirectionBackup; |
462 |
int32_t iSAD; |
int32_t iSAD; |
463 |
VECTOR backupMV; |
VECTOR backupMV; |
464 |
backupMV.x = startx; |
|
465 |
backupMV.y = starty; |
backupMV.x = start_x; |
466 |
|
backupMV.y = start_y; |
467 |
|
|
468 |
/* It's one search with full Diamond pattern, and only 3 of 4 for all following diamonds */ |
/* It's one search with full Diamond pattern, and only 3 of 4 for all following diamonds */ |
469 |
|
|
472 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y-iDiamondSize,3); |
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y-iDiamondSize,3); |
473 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y+iDiamondSize,4); |
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y+iDiamondSize,4); |
474 |
|
|
475 |
if (iDirection) |
if (iDirection) { |
476 |
while (!iFound) |
while (!iFound) { |
|
{ |
|
477 |
iFound = 1; |
iFound = 1; |
478 |
backupMV=*currMV; |
backupMV=*currMV; |
479 |
|
iDirectionBackup = iDirection; |
480 |
|
|
481 |
if ( iDirection != 2) |
if (iDirectionBackup != 2) |
482 |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x-iDiamondSize,backupMV.y,1); |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
483 |
if ( iDirection != 1) |
backupMV.y, 1); |
484 |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x+iDiamondSize,backupMV.y,2); |
if (iDirectionBackup != 1) |
485 |
if ( iDirection != 4) |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
486 |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x,backupMV.y-iDiamondSize,3); |
backupMV.y, 2); |
487 |
if ( iDirection != 3) |
if (iDirectionBackup != 4) |
488 |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x,backupMV.y+iDiamondSize,4); |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x, |
489 |
|
backupMV.y - iDiamondSize, 3); |
490 |
|
if (iDirectionBackup != 3) |
491 |
|
CHECK_MV16_CANDIDATE_FOUND(backupMV.x, |
492 |
|
backupMV.y + iDiamondSize, 4); |
493 |
} |
} |
494 |
else |
} else { |
495 |
{ |
currMV->x = start_x; |
496 |
currMV->x = startx; |
currMV->y = start_y; |
|
currMV->y = starty; |
|
497 |
} |
} |
498 |
return iMinSAD; |
return iMinSAD; |
499 |
} |
} |
500 |
|
|
501 |
int32_t Square16_MainSearch( |
int32_t |
502 |
const uint8_t * const pRef, |
Square16_MainSearch(const uint8_t * const pRef, |
503 |
const uint8_t * const pRefH, |
const uint8_t * const pRefH, |
504 |
const uint8_t * const pRefV, |
const uint8_t * const pRefV, |
505 |
const uint8_t * const pRefHV, |
const uint8_t * const pRefHV, |
506 |
const uint8_t * const cur, |
const uint8_t * const cur, |
507 |
const int x, const int y, |
const int x, |
508 |
int32_t startx, int32_t starty, |
const int y, |
509 |
int32_t iMinSAD, |
const int start_x, |
510 |
|
const int start_y, |
511 |
|
int iMinSAD, |
512 |
VECTOR * const currMV, |
VECTOR * const currMV, |
513 |
const VECTOR * const pmv, |
const int center_x, |
514 |
const int32_t min_dx, const int32_t max_dx, |
const int center_y, |
515 |
const int32_t min_dy, const int32_t max_dy, |
const int32_t min_dx, |
516 |
|
const int32_t max_dx, |
517 |
|
const int32_t min_dy, |
518 |
|
const int32_t max_dy, |
519 |
const int32_t iEdgedWidth, |
const int32_t iEdgedWidth, |
520 |
const int32_t iDiamondSize, |
const int32_t iDiamondSize, |
521 |
const int32_t iFcode, |
const int32_t iFcode, |
527 |
int32_t iDirection=0; |
int32_t iDirection=0; |
528 |
int32_t iSAD; |
int32_t iSAD; |
529 |
VECTOR backupMV; |
VECTOR backupMV; |
530 |
backupMV.x = startx; |
|
531 |
backupMV.y = starty; |
backupMV.x = start_x; |
532 |
|
backupMV.y = start_y; |
533 |
|
|
534 |
/* It's one search with full square pattern, and new parts for all following diamonds */ |
/* It's one search with full square pattern, and new parts for all following diamonds */ |
535 |
|
|
544 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y-iDiamondSize,3); |
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y-iDiamondSize,3); |
545 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y+iDiamondSize,4); |
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y+iDiamondSize,4); |
546 |
|
|
547 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y-iDiamondSize,5); |
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
548 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y+iDiamondSize,6); |
backupMV.y - iDiamondSize, 5); |
549 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y-iDiamondSize,7); |
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
550 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y+iDiamondSize,8); |
backupMV.y + iDiamondSize, 6); |
551 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, |
552 |
|
backupMV.y - iDiamondSize, 7); |
553 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, |
554 |
|
backupMV.y + iDiamondSize, 8); |
555 |
|
|
556 |
|
|
557 |
if (iDirection) |
if (iDirection) { |
558 |
while (!iFound) |
while (!iFound) { |
|
{ |
|
559 |
iFound = 1; |
iFound = 1; |
560 |
backupMV=*currMV; |
backupMV=*currMV; |
561 |
|
|
562 |
switch (iDirection) |
switch (iDirection) { |
|
{ |
|
563 |
case 1: |
case 1: |
564 |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x-iDiamondSize,backupMV.y,1); |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
565 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y-iDiamondSize,5); |
backupMV.y, 1); |
566 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y-iDiamondSize,7); |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
567 |
|
backupMV.y - iDiamondSize, 5); |
568 |
|
CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
569 |
|
backupMV.y - iDiamondSize, 7); |
570 |
break; |
break; |
571 |
case 2: |
case 2: |
572 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y,2); |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, backupMV.y, |
573 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y+iDiamondSize,6); |
2); |
574 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y+iDiamondSize,8); |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
575 |
|
backupMV.y + iDiamondSize, 6); |
576 |
|
CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
577 |
|
backupMV.y + iDiamondSize, 8); |
578 |
break; |
break; |
579 |
|
|
580 |
case 3: |
case 3: |
581 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y+iDiamondSize,4); |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x, backupMV.y + iDiamondSize, |
582 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y-iDiamondSize,7); |
4); |
583 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y+iDiamondSize,8); |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
584 |
|
backupMV.y - iDiamondSize, 7); |
585 |
|
CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
586 |
|
backupMV.y + iDiamondSize, 8); |
587 |
break; |
break; |
588 |
|
|
589 |
case 4: |
case 4: |
590 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y-iDiamondSize,3); |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x, backupMV.y - iDiamondSize, |
591 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y-iDiamondSize,5); |
3); |
592 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y+iDiamondSize,6); |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
593 |
|
backupMV.y - iDiamondSize, 5); |
594 |
|
CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
595 |
|
backupMV.y + iDiamondSize, 6); |
596 |
break; |
break; |
597 |
|
|
598 |
case 5: |
case 5: |
599 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y,1); |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, backupMV.y, |
600 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y-iDiamondSize,3); |
1); |
601 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y-iDiamondSize,5); |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x, backupMV.y - iDiamondSize, |
602 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y+iDiamondSize,6); |
3); |
603 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y-iDiamondSize,7); |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
604 |
|
backupMV.y - iDiamondSize, 5); |
605 |
|
CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
606 |
|
backupMV.y + iDiamondSize, 6); |
607 |
|
CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
608 |
|
backupMV.y - iDiamondSize, 7); |
609 |
break; |
break; |
610 |
|
|
611 |
case 6: |
case 6: |
612 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y,2); |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, backupMV.y, |
613 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y-iDiamondSize,3); |
2); |
614 |
|
CHECK_MV16_CANDIDATE_FOUND(backupMV.x, backupMV.y - iDiamondSize, |
615 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y-iDiamondSize,5); |
3); |
616 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y+iDiamondSize,6); |
|
617 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y+iDiamondSize,8); |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
618 |
|
backupMV.y - iDiamondSize, 5); |
619 |
|
CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
620 |
|
backupMV.y + iDiamondSize, 6); |
621 |
|
CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
622 |
|
backupMV.y + iDiamondSize, 8); |
623 |
|
|
624 |
break; |
break; |
625 |
|
|
626 |
case 7: |
case 7: |
627 |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x-iDiamondSize,backupMV.y,1); |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
628 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y+iDiamondSize,4); |
backupMV.y, 1); |
629 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y-iDiamondSize,5); |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x, backupMV.y + iDiamondSize, |
630 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y-iDiamondSize,7); |
4); |
631 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y+iDiamondSize,8); |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
632 |
|
backupMV.y - iDiamondSize, 5); |
633 |
|
CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
634 |
|
backupMV.y - iDiamondSize, 7); |
635 |
|
CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
636 |
|
backupMV.y + iDiamondSize, 8); |
637 |
break; |
break; |
638 |
|
|
639 |
case 8: |
case 8: |
640 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y,2); |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, backupMV.y, |
641 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y+iDiamondSize,4); |
2); |
642 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y+iDiamondSize,6); |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x, backupMV.y + iDiamondSize, |
643 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y-iDiamondSize,7); |
4); |
644 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y+iDiamondSize,8); |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
645 |
|
backupMV.y + iDiamondSize, 6); |
646 |
|
CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
647 |
|
backupMV.y - iDiamondSize, 7); |
648 |
|
CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
649 |
|
backupMV.y + iDiamondSize, 8); |
650 |
break; |
break; |
651 |
default: |
default: |
652 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y,1); |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, backupMV.y, |
653 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y,2); |
1); |
654 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y-iDiamondSize,3); |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, backupMV.y, |
655 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y+iDiamondSize,4); |
2); |
656 |
|
CHECK_MV16_CANDIDATE_FOUND(backupMV.x, backupMV.y - iDiamondSize, |
657 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y-iDiamondSize,5); |
3); |
658 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y+iDiamondSize,6); |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x, backupMV.y + iDiamondSize, |
659 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y-iDiamondSize,7); |
4); |
660 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y+iDiamondSize,8); |
|
661 |
|
CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
662 |
|
backupMV.y - iDiamondSize, 5); |
663 |
|
CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
664 |
|
backupMV.y + iDiamondSize, 6); |
665 |
|
CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
666 |
|
backupMV.y - iDiamondSize, 7); |
667 |
|
CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
668 |
|
backupMV.y + iDiamondSize, 8); |
669 |
break; |
break; |
670 |
} |
} |
671 |
} |
} |
672 |
else |
} else { |
673 |
{ |
currMV->x = start_x; |
674 |
currMV->x = startx; |
currMV->y = start_y; |
|
currMV->y = starty; |
|
675 |
} |
} |
676 |
return iMinSAD; |
return iMinSAD; |
677 |
} |
} |
678 |
|
|
679 |
|
|
680 |
int32_t Full16_MainSearch( |
int32_t |
681 |
const uint8_t * const pRef, |
Full16_MainSearch(const uint8_t * const pRef, |
682 |
const uint8_t * const pRefH, |
const uint8_t * const pRefH, |
683 |
const uint8_t * const pRefV, |
const uint8_t * const pRefV, |
684 |
const uint8_t * const pRefHV, |
const uint8_t * const pRefHV, |
685 |
const uint8_t * const cur, |
const uint8_t * const cur, |
686 |
const int x, const int y, |
const int x, |
687 |
int32_t startx, int32_t starty, |
const int y, |
688 |
int32_t iMinSAD, |
const int start_x, |
689 |
|
const int start_y, |
690 |
|
int iMinSAD, |
691 |
VECTOR * const currMV, |
VECTOR * const currMV, |
692 |
const VECTOR * const pmv, |
const int center_x, |
693 |
const int32_t min_dx, const int32_t max_dx, |
const int center_y, |
694 |
const int32_t min_dy, const int32_t max_dy, |
const int32_t min_dx, |
695 |
|
const int32_t max_dx, |
696 |
|
const int32_t min_dy, |
697 |
|
const int32_t max_dy, |
698 |
const int32_t iEdgedWidth, |
const int32_t iEdgedWidth, |
699 |
const int32_t iDiamondSize, |
const int32_t iDiamondSize, |
700 |
const int32_t iFcode, |
const int32_t iFcode, |
704 |
int32_t iSAD; |
int32_t iSAD; |
705 |
int32_t dx,dy; |
int32_t dx,dy; |
706 |
VECTOR backupMV; |
VECTOR backupMV; |
707 |
backupMV.x = startx; |
|
708 |
backupMV.y = starty; |
backupMV.x = start_x; |
709 |
|
backupMV.y = start_y; |
710 |
|
|
711 |
for (dx = min_dx; dx<=max_dx; dx+=iDiamondSize) |
for (dx = min_dx; dx<=max_dx; dx+=iDiamondSize) |
712 |
for (dy = min_dy; dy<= max_dy; dy+=iDiamondSize) |
for (dy = min_dy; dy<= max_dy; dy+=iDiamondSize) |
715 |
return iMinSAD; |
return iMinSAD; |
716 |
} |
} |
717 |
|
|
718 |
int32_t Full8_MainSearch( |
int32_t |
719 |
const uint8_t * const pRef, |
AdvDiamond16_MainSearch(const uint8_t * const pRef, |
720 |
const uint8_t * const pRefH, |
const uint8_t * const pRefH, |
721 |
const uint8_t * const pRefV, |
const uint8_t * const pRefV, |
722 |
const uint8_t * const pRefHV, |
const uint8_t * const pRefHV, |
723 |
const uint8_t * const cur, |
const uint8_t * const cur, |
724 |
const int x, const int y, |
const int x, |
725 |
int32_t startx, int32_t starty, |
const int y, |
726 |
int32_t iMinSAD, |
int start_x, |
727 |
|
int start_y, |
728 |
|
int iMinSAD, |
729 |
VECTOR * const currMV, |
VECTOR * const currMV, |
730 |
const VECTOR * const pmv, |
const int center_x, |
731 |
const int32_t min_dx, const int32_t max_dx, |
const int center_y, |
732 |
const int32_t min_dy, const int32_t max_dy, |
const int32_t min_dx, |
733 |
|
const int32_t max_dx, |
734 |
|
const int32_t min_dy, |
735 |
|
const int32_t max_dy, |
736 |
const int32_t iEdgedWidth, |
const int32_t iEdgedWidth, |
737 |
const int32_t iDiamondSize, |
const int32_t iDiamondSize, |
738 |
const int32_t iFcode, |
const int32_t iFcode, |
739 |
const int32_t iQuant, |
const int32_t iQuant, |
740 |
int iFound) |
int iDirection) |
741 |
{ |
{ |
742 |
|
|
743 |
int32_t iSAD; |
int32_t iSAD; |
|
int32_t dx,dy; |
|
|
VECTOR backupMV; |
|
|
backupMV.x = startx; |
|
|
backupMV.y = starty; |
|
744 |
|
|
745 |
for (dx = min_dx; dx<=max_dx; dx+=iDiamondSize) |
/* directions: 1 - left (x-1); 2 - right (x+1), 4 - up (y-1); 8 - down (y+1) */ |
|
for (dy = min_dy; dy<= max_dy; dy+=iDiamondSize) |
|
|
NOCHECK_MV8_CANDIDATE(dx,dy); |
|
746 |
|
|
747 |
return iMinSAD; |
if (iDirection) { |
748 |
} |
CHECK_MV16_CANDIDATE(start_x - iDiamondSize, start_y); |
749 |
|
CHECK_MV16_CANDIDATE(start_x + iDiamondSize, start_y); |
750 |
|
CHECK_MV16_CANDIDATE(start_x, start_y - iDiamondSize); |
751 |
|
CHECK_MV16_CANDIDATE(start_x, start_y + iDiamondSize); |
752 |
|
} else { |
753 |
|
int bDirection = 1 + 2 + 4 + 8; |
754 |
|
|
755 |
|
do { |
756 |
|
iDirection = 0; |
757 |
|
if (bDirection & 1) //we only want to check left if we came from the right (our last motion was to the left, up-left or down-left) |
758 |
|
CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, start_y, 1); |
759 |
|
|
760 |
|
if (bDirection & 2) |
761 |
|
CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, start_y, 2); |
762 |
|
|
763 |
int32_t Halfpel16_Refine( |
if (bDirection & 4) |
764 |
const uint8_t * const pRef, |
CHECK_MV16_CANDIDATE_DIR(start_x, start_y - iDiamondSize, 4); |
|
const uint8_t * const pRefH, |
|
|
const uint8_t * const pRefV, |
|
|
const uint8_t * const pRefHV, |
|
|
const uint8_t * const cur, |
|
|
const int x, const int y, |
|
|
VECTOR * const currMV, |
|
|
int32_t iMinSAD, |
|
|
const VECTOR * const pmv, |
|
|
const int32_t min_dx, const int32_t max_dx, |
|
|
const int32_t min_dy, const int32_t max_dy, |
|
|
const int32_t iFcode, |
|
|
const int32_t iQuant, |
|
|
const int32_t iEdgedWidth) |
|
|
{ |
|
|
/* Do a half-pel refinement (or rather a "smallest possible amount" refinement) */ |
|
765 |
|
|
766 |
int32_t iSAD; |
if (bDirection & 8) |
767 |
VECTOR backupMV = *currMV; |
CHECK_MV16_CANDIDATE_DIR(start_x, start_y + iDiamondSize, 8); |
768 |
|
|
769 |
CHECK_MV16_CANDIDATE(backupMV.x-1,backupMV.y-1); |
/* now we're doing diagonal checks near our candidate */ |
|
CHECK_MV16_CANDIDATE(backupMV.x ,backupMV.y-1); |
|
|
CHECK_MV16_CANDIDATE(backupMV.x+1,backupMV.y-1); |
|
|
CHECK_MV16_CANDIDATE(backupMV.x-1,backupMV.y); |
|
|
CHECK_MV16_CANDIDATE(backupMV.x+1,backupMV.y); |
|
|
CHECK_MV16_CANDIDATE(backupMV.x-1,backupMV.y+1); |
|
|
CHECK_MV16_CANDIDATE(backupMV.x ,backupMV.y+1); |
|
|
CHECK_MV16_CANDIDATE(backupMV.x+1,backupMV.y+1); |
|
770 |
|
|
771 |
return iMinSAD; |
if (iDirection) //checking if anything found |
772 |
|
{ |
773 |
|
bDirection = iDirection; |
774 |
|
iDirection = 0; |
775 |
|
start_x = currMV->x; |
776 |
|
start_y = currMV->y; |
777 |
|
if (bDirection & 3) //our candidate is left or right |
778 |
|
{ |
779 |
|
CHECK_MV16_CANDIDATE_DIR(start_x, start_y + iDiamondSize, 8); |
780 |
|
CHECK_MV16_CANDIDATE_DIR(start_x, start_y - iDiamondSize, 4); |
781 |
|
} else // what remains here is up or down |
782 |
|
{ |
783 |
|
CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, start_y, 2); |
784 |
|
CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, start_y, 1); |
785 |
} |
} |
786 |
|
|
787 |
#define PMV_HALFPEL16 (PMV_HALFPELDIAMOND16|PMV_HALFPELREFINE16) |
if (iDirection) { |
788 |
|
bDirection += iDirection; |
789 |
|
start_x = currMV->x; |
790 |
int32_t PMVfastSearch16( |
start_y = currMV->y; |
791 |
const uint8_t * const pRef, |
} |
792 |
const uint8_t * const pRefH, |
} else //about to quit, eh? not so fast.... |
|
const uint8_t * const pRefV, |
|
|
const uint8_t * const pRefHV, |
|
|
const IMAGE * const pCur, |
|
|
const int x, const int y, |
|
|
const uint32_t MotionFlags, |
|
|
const uint32_t iQuant, |
|
|
const uint32_t iFcode, |
|
|
const MBParam * const pParam, |
|
|
const MACROBLOCK * const pMBs, |
|
|
const MACROBLOCK * const prevMBs, |
|
|
VECTOR * const currMV, |
|
|
VECTOR * const currPMV) |
|
793 |
{ |
{ |
794 |
const uint32_t iWcount = pParam->mb_width; |
switch (bDirection) { |
795 |
const int32_t iWidth = pParam->width; |
case 2: |
796 |
const int32_t iHeight = pParam->height; |
CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, |
797 |
const int32_t iEdgedWidth = pParam->edged_width; |
start_y - iDiamondSize, 2 + 4); |
798 |
|
CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, |
799 |
const uint8_t * cur = pCur->y + x*16 + y*16*iEdgedWidth; |
start_y + iDiamondSize, 2 + 8); |
800 |
|
break; |
801 |
|
case 1: |
802 |
|
|
803 |
int32_t iDiamondSize; |
CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, |
804 |
|
start_y - iDiamondSize, 1 + 4); |
805 |
|
CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, |
806 |
|
start_y + iDiamondSize, 1 + 8); |
807 |
|
break; |
808 |
|
case 2 + 4: |
809 |
|
CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, |
810 |
|
start_y - iDiamondSize, 1 + 4); |
811 |
|
CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, |
812 |
|
start_y - iDiamondSize, 2 + 4); |
813 |
|
CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, |
814 |
|
start_y + iDiamondSize, 2 + 8); |
815 |
|
break; |
816 |
|
case 4: |
817 |
|
CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, |
818 |
|
start_y - iDiamondSize, 2 + 4); |
819 |
|
CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, |
820 |
|
start_y - iDiamondSize, 1 + 4); |
821 |
|
break; |
822 |
|
case 8: |
823 |
|
CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, |
824 |
|
start_y + iDiamondSize, 2 + 8); |
825 |
|
CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, |
826 |
|
start_y + iDiamondSize, 1 + 8); |
827 |
|
break; |
828 |
|
case 1 + 4: |
829 |
|
CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, |
830 |
|
start_y + iDiamondSize, 1 + 8); |
831 |
|
CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, |
832 |
|
start_y - iDiamondSize, 1 + 4); |
833 |
|
CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, |
834 |
|
start_y - iDiamondSize, 2 + 4); |
835 |
|
break; |
836 |
|
case 2 + 8: |
837 |
|
CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, |
838 |
|
start_y - iDiamondSize, 1 + 4); |
839 |
|
CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, |
840 |
|
start_y + iDiamondSize, 1 + 8); |
841 |
|
CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, |
842 |
|
start_y + iDiamondSize, 2 + 8); |
843 |
|
break; |
844 |
|
case 1 + 8: |
845 |
|
CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, |
846 |
|
start_y - iDiamondSize, 2 + 4); |
847 |
|
CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, |
848 |
|
start_y + iDiamondSize, 2 + 8); |
849 |
|
CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, |
850 |
|
start_y + iDiamondSize, 1 + 8); |
851 |
|
break; |
852 |
|
default: //1+2+4+8 == we didn't find anything at all |
853 |
|
CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, |
854 |
|
start_y - iDiamondSize, 1 + 4); |
855 |
|
CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, |
856 |
|
start_y + iDiamondSize, 1 + 8); |
857 |
|
CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, |
858 |
|
start_y - iDiamondSize, 2 + 4); |
859 |
|
CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, |
860 |
|
start_y + iDiamondSize, 2 + 8); |
861 |
|
break; |
862 |
|
} |
863 |
|
if (!iDirection) |
864 |
|
break; //ok, the end. really |
865 |
|
else { |
866 |
|
bDirection = iDirection; |
867 |
|
start_x = currMV->x; |
868 |
|
start_y = currMV->y; |
869 |
|
} |
870 |
|
} |
871 |
|
} |
872 |
|
while (1); //forever |
873 |
|
} |
874 |
|
return iMinSAD; |
875 |
|
} |
876 |
|
|
877 |
|
#define CHECK_MV16_F_INTERPOL(X,Y) { \ |
878 |
|
if ( ((X) <= f_max_dx) && ((X) >= f_min_dx) \ |
879 |
|
&& ((Y) <= f_max_dy) && ((Y) >= f_min_dy) ) \ |
880 |
|
{ \ |
881 |
|
iSAD = sad16bi( cur, \ |
882 |
|
get_ref(f_pRef, f_pRefH, f_pRefV, f_pRefHV, x, y, 16, X, Y, iEdgedWidth), \ |
883 |
|
get_ref(b_pRef, b_pRefH, b_pRefV, b_pRefHV, x, y, 16, b_currMV->x, b_currMV->y, iEdgedWidth), \ |
884 |
|
iEdgedWidth); \ |
885 |
|
iSAD += calc_delta_16((X) - f_center_x, (Y) - f_center_y, (uint8_t)f_iFcode, iQuant);\ |
886 |
|
iSAD += calc_delta_16(b_currMV->x - b_center_x, b_currMV->y - b_center_y, (uint8_t)b_iFcode, iQuant);\ |
887 |
|
if (iSAD < iMinSAD) \ |
888 |
|
{ iMinSAD=iSAD; f_currMV->x=(X); f_currMV->y=(Y); } } \ |
889 |
|
} |
890 |
|
|
891 |
|
#define CHECK_MV16_F_INTERPOL_FOUND(X,Y) { \ |
892 |
|
if ( ((X) <= f_max_dx) && ((X) >= f_min_dx) \ |
893 |
|
&& ((Y) <= f_max_dy) && ((Y) >= f_min_dy) ) \ |
894 |
|
{ \ |
895 |
|
iSAD = sad16bi( cur, \ |
896 |
|
get_ref(f_pRef, f_pRefH, f_pRefV, f_pRefHV, x, y, 16, X, Y, iEdgedWidth), \ |
897 |
|
get_ref(b_pRef, b_pRefH, b_pRefV, b_pRefHV, x, y, 16, b_currMV->x, b_currMV->y, iEdgedWidth), \ |
898 |
|
iEdgedWidth); \ |
899 |
|
iSAD += calc_delta_16((X) - f_center_x, (Y) - f_center_y, (uint8_t)f_iFcode, iQuant);\ |
900 |
|
iSAD += calc_delta_16(b_currMV->x - b_center_x, b_currMV->y - b_center_y, (uint8_t)b_iFcode, iQuant);\ |
901 |
|
if (iSAD < iMinSAD) \ |
902 |
|
{ iMinSAD=iSAD; f_currMV->x=(X); f_currMV->y=(Y); iFound=0;} } \ |
903 |
|
} |
904 |
|
|
905 |
|
#define CHECK_MV16_B_INTERPOL(X,Y) { \ |
906 |
|
if ( ((X) <= b_max_dx) && ((X) >= b_min_dx) \ |
907 |
|
&& ((Y) <= b_max_dy) && ((Y) >= b_min_dy) ) \ |
908 |
|
{ \ |
909 |
|
iSAD = sad16bi( cur, \ |
910 |
|
get_ref(f_pRef, f_pRefH, f_pRefV, f_pRefHV, x, y, 16, f_currMV->x, f_currMV->y, iEdgedWidth), \ |
911 |
|
get_ref(b_pRef, b_pRefH, b_pRefV, b_pRefHV, x, y, 16, X, Y, iEdgedWidth), \ |
912 |
|
iEdgedWidth); \ |
913 |
|
iSAD += calc_delta_16(f_currMV->x - f_center_x, f_currMV->y - f_center_y, (uint8_t)f_iFcode, iQuant);\ |
914 |
|
iSAD += calc_delta_16((X) - b_center_x, (Y) - b_center_y, (uint8_t)b_iFcode, iQuant);\ |
915 |
|
if (iSAD < iMinSAD) \ |
916 |
|
{ iMinSAD=iSAD; b_currMV->x=(X); b_currMV->y=(Y); } } \ |
917 |
|
} |
918 |
|
|
919 |
|
#define CHECK_MV16_B_INTERPOL_FOUND(X,Y) { \ |
920 |
|
if ( ((X) <= b_max_dx) && ((X) >= b_min_dx) \ |
921 |
|
&& ((Y) <= b_max_dy) && ((Y) >= b_min_dy) ) \ |
922 |
|
{ \ |
923 |
|
iSAD = sad16bi( cur, \ |
924 |
|
get_ref(f_pRef, f_pRefH, f_pRefV, f_pRefHV, x, y, 16, f_currMV->x, f_currMV->y, iEdgedWidth), \ |
925 |
|
get_ref(b_pRef, b_pRefH, b_pRefV, b_pRefHV, x, y, 16, X, Y, iEdgedWidth), \ |
926 |
|
iEdgedWidth); \ |
927 |
|
iSAD += calc_delta_16(f_currMV->x - f_center_x, f_currMV->y - f_center_y, (uint8_t)f_iFcode, iQuant);\ |
928 |
|
iSAD += calc_delta_16((X) - b_center_x, (Y) - b_center_y, (uint8_t)b_iFcode, iQuant);\ |
929 |
|
if (iSAD < iMinSAD) \ |
930 |
|
{ iMinSAD=iSAD; b_currMV->x=(X); b_currMV->y=(Y); iFound=0;} } \ |
931 |
|
} |
932 |
|
|
933 |
|
int32_t |
934 |
|
Diamond16_InterpolMainSearch( |
935 |
|
const uint8_t * const f_pRef, |
936 |
|
const uint8_t * const f_pRefH, |
937 |
|
const uint8_t * const f_pRefV, |
938 |
|
const uint8_t * const f_pRefHV, |
939 |
|
|
940 |
|
const uint8_t * const cur, |
941 |
|
|
942 |
|
const uint8_t * const b_pRef, |
943 |
|
const uint8_t * const b_pRefH, |
944 |
|
const uint8_t * const b_pRefV, |
945 |
|
const uint8_t * const b_pRefHV, |
946 |
|
|
947 |
|
const int x, |
948 |
|
const int y, |
949 |
|
|
950 |
|
const int f_start_x, |
951 |
|
const int f_start_y, |
952 |
|
const int b_start_x, |
953 |
|
const int b_start_y, |
954 |
|
|
955 |
|
int iMinSAD, |
956 |
|
VECTOR * const f_currMV, |
957 |
|
VECTOR * const b_currMV, |
958 |
|
|
959 |
|
const int f_center_x, |
960 |
|
const int f_center_y, |
961 |
|
const int b_center_x, |
962 |
|
const int b_center_y, |
963 |
|
|
964 |
|
const int32_t f_min_dx, |
965 |
|
const int32_t f_max_dx, |
966 |
|
const int32_t f_min_dy, |
967 |
|
const int32_t f_max_dy, |
968 |
|
|
969 |
|
const int32_t b_min_dx, |
970 |
|
const int32_t b_max_dx, |
971 |
|
const int32_t b_min_dy, |
972 |
|
const int32_t b_max_dy, |
973 |
|
|
974 |
|
const int32_t iEdgedWidth, |
975 |
|
const int32_t iDiamondSize, |
976 |
|
|
977 |
|
const int32_t f_iFcode, |
978 |
|
const int32_t b_iFcode, |
979 |
|
|
980 |
|
const int32_t iQuant, |
981 |
|
int iFound) |
982 |
|
{ |
983 |
|
/* Do a diamond search around given starting point, return SAD of best */ |
984 |
|
|
985 |
|
int32_t iSAD; |
986 |
|
|
987 |
|
VECTOR f_backupMV; |
988 |
|
VECTOR b_backupMV; |
989 |
|
|
990 |
|
f_currMV->x = f_start_x; |
991 |
|
f_currMV->y = f_start_y; |
992 |
|
b_currMV->x = b_start_x; |
993 |
|
b_currMV->y = b_start_y; |
994 |
|
|
995 |
|
do |
996 |
|
{ |
997 |
|
iFound = 1; |
998 |
|
|
999 |
|
f_backupMV = *f_currMV; |
1000 |
|
|
1001 |
|
CHECK_MV16_F_INTERPOL_FOUND(f_backupMV.x - iDiamondSize, f_backupMV.y); |
1002 |
|
CHECK_MV16_F_INTERPOL_FOUND(f_backupMV.x + iDiamondSize, f_backupMV.y); |
1003 |
|
CHECK_MV16_F_INTERPOL_FOUND(f_backupMV.x, f_backupMV.y - iDiamondSize); |
1004 |
|
CHECK_MV16_F_INTERPOL_FOUND(f_backupMV.x, f_backupMV.y + iDiamondSize); |
1005 |
|
|
1006 |
|
b_backupMV = *b_currMV; |
1007 |
|
|
1008 |
|
CHECK_MV16_B_INTERPOL_FOUND(b_backupMV.x - iDiamondSize, b_backupMV.y); |
1009 |
|
CHECK_MV16_B_INTERPOL_FOUND(b_backupMV.x + iDiamondSize, b_backupMV.y); |
1010 |
|
CHECK_MV16_B_INTERPOL_FOUND(b_backupMV.x, b_backupMV.y - iDiamondSize); |
1011 |
|
CHECK_MV16_B_INTERPOL_FOUND(b_backupMV.x, b_backupMV.y + iDiamondSize); |
1012 |
|
|
1013 |
|
} while (!iFound); |
1014 |
|
|
1015 |
|
return iMinSAD; |
1016 |
|
} |
1017 |
|
|
1018 |
|
/* Sorry, these MACROS really got too large... I'll turn them into function soon! */ |
1019 |
|
|
1020 |
|
#define CHECK_MV16_DIRECT_FOUND(X,Y) \ |
1021 |
|
if ( (X)>=(-32) && (X)<=(31) && ((Y)>=-32) && ((Y)<=31) ) \ |
1022 |
|
{ int k;\ |
1023 |
|
VECTOR mvs,b_mvs; \ |
1024 |
|
iSAD = 0;\ |
1025 |
|
for (k = 0; k < 4; k++) { \ |
1026 |
|
mvs.x = (int32_t) ((TRB * directmv[k].x) / TRD + (X)); \ |
1027 |
|
b_mvs.x = (int32_t) (((X) == 0) \ |
1028 |
|
? ((TRB - TRD) * directmv[k].x) / TRD \ |
1029 |
|
: mvs.x - directmv[k].x); \ |
1030 |
|
\ |
1031 |
|
mvs.y = (int32_t) ((TRB * directmv[k].y) / TRD + (Y)); \ |
1032 |
|
b_mvs.y = (int32_t) (((Y) == 0) \ |
1033 |
|
? ((TRB - TRD) * directmv[k].y) / TRD \ |
1034 |
|
: mvs.y - directmv[k].y); \ |
1035 |
|
\ |
1036 |
|
if ( (mvs.x <= max_dx) && (mvs.x >= min_dx) \ |
1037 |
|
&& (mvs.y <= max_dy) && (mvs.y >= min_dy) \ |
1038 |
|
&& (b_mvs.x <= max_dx) && (b_mvs.x >= min_dx) \ |
1039 |
|
&& (b_mvs.y <= max_dy) && (b_mvs.y >= min_dy) ) { \ |
1040 |
|
iSAD += sad8bi( cur + 8*(k&1) + 8*(k>>1)*iEdgedWidth, \ |
1041 |
|
get_ref(f_pRef, f_pRefH, f_pRefV, f_pRefHV, 2*x+(k&1), 2*y+(k>>1), 8, \ |
1042 |
|
mvs.x, mvs.y, iEdgedWidth), \ |
1043 |
|
get_ref(b_pRef, b_pRefH, b_pRefV, b_pRefHV, 2*x+(k&1), 2*y+(k>>1), 8, \ |
1044 |
|
b_mvs.x, b_mvs.y, iEdgedWidth), \ |
1045 |
|
iEdgedWidth); \ |
1046 |
|
} \ |
1047 |
|
else \ |
1048 |
|
iSAD = 65535; \ |
1049 |
|
} \ |
1050 |
|
iSAD += calc_delta_16((X),(Y), 1, iQuant);\ |
1051 |
|
if (iSAD < iMinSAD) \ |
1052 |
|
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); iFound=0; } \ |
1053 |
|
} |
1054 |
|
|
1055 |
|
|
1056 |
|
|
1057 |
|
int32_t |
1058 |
|
Diamond16_DirectMainSearch( |
1059 |
|
const uint8_t * const f_pRef, |
1060 |
|
const uint8_t * const f_pRefH, |
1061 |
|
const uint8_t * const f_pRefV, |
1062 |
|
const uint8_t * const f_pRefHV, |
1063 |
|
|
1064 |
|
const uint8_t * const cur, |
1065 |
|
|
1066 |
|
const uint8_t * const b_pRef, |
1067 |
|
const uint8_t * const b_pRefH, |
1068 |
|
const uint8_t * const b_pRefV, |
1069 |
|
const uint8_t * const b_pRefHV, |
1070 |
|
|
1071 |
|
const int x, |
1072 |
|
const int y, |
1073 |
|
|
1074 |
|
const int TRB, |
1075 |
|
const int TRD, |
1076 |
|
|
1077 |
|
const int start_x, |
1078 |
|
const int start_y, |
1079 |
|
|
1080 |
|
int iMinSAD, |
1081 |
|
VECTOR * const currMV, |
1082 |
|
const VECTOR * const directmv, |
1083 |
|
|
1084 |
|
const int32_t min_dx, |
1085 |
|
const int32_t max_dx, |
1086 |
|
const int32_t min_dy, |
1087 |
|
const int32_t max_dy, |
1088 |
|
|
1089 |
|
const int32_t iEdgedWidth, |
1090 |
|
const int32_t iDiamondSize, |
1091 |
|
|
1092 |
|
const int32_t iQuant, |
1093 |
|
int iFound) |
1094 |
|
{ |
1095 |
|
/* Do a diamond search around given starting point, return SAD of best */ |
1096 |
|
|
1097 |
|
int32_t iSAD; |
1098 |
|
|
1099 |
|
VECTOR backupMV; |
1100 |
|
|
1101 |
|
currMV->x = start_x; |
1102 |
|
currMV->y = start_y; |
1103 |
|
|
1104 |
|
/* It's one search with full Diamond pattern, and only 3 of 4 for all following diamonds */ |
1105 |
|
|
1106 |
|
do |
1107 |
|
{ |
1108 |
|
iFound = 1; |
1109 |
|
|
1110 |
|
backupMV = *currMV; |
1111 |
|
|
1112 |
|
CHECK_MV16_DIRECT_FOUND(backupMV.x - iDiamondSize, backupMV.y); |
1113 |
|
CHECK_MV16_DIRECT_FOUND(backupMV.x + iDiamondSize, backupMV.y); |
1114 |
|
CHECK_MV16_DIRECT_FOUND(backupMV.x, backupMV.y - iDiamondSize); |
1115 |
|
CHECK_MV16_DIRECT_FOUND(backupMV.x, backupMV.y + iDiamondSize); |
1116 |
|
|
1117 |
|
} while (!iFound); |
1118 |
|
|
1119 |
|
return iMinSAD; |
1120 |
|
} |
1121 |
|
|
1122 |
|
|
1123 |
|
int32_t |
1124 |
|
AdvDiamond8_MainSearch(const uint8_t * const pRef, |
1125 |
|
const uint8_t * const pRefH, |
1126 |
|
const uint8_t * const pRefV, |
1127 |
|
const uint8_t * const pRefHV, |
1128 |
|
const uint8_t * const cur, |
1129 |
|
const int x, |
1130 |
|
const int y, |
1131 |
|
int start_x, |
1132 |
|
int start_y, |
1133 |
|
int iMinSAD, |
1134 |
|
VECTOR * const currMV, |
1135 |
|
const int center_x, |
1136 |
|
const int center_y, |
1137 |
|
const int32_t min_dx, |
1138 |
|
const int32_t max_dx, |
1139 |
|
const int32_t min_dy, |
1140 |
|
const int32_t max_dy, |
1141 |
|
const int32_t iEdgedWidth, |
1142 |
|
const int32_t iDiamondSize, |
1143 |
|
const int32_t iFcode, |
1144 |
|
const int32_t iQuant, |
1145 |
|
int iDirection) |
1146 |
|
{ |
1147 |
|
|
1148 |
|
int32_t iSAD; |
1149 |
|
|
1150 |
|
/* directions: 1 - left (x-1); 2 - right (x+1), 4 - up (y-1); 8 - down (y+1) */ |
1151 |
|
|
1152 |
|
if (iDirection) { |
1153 |
|
CHECK_MV8_CANDIDATE(start_x - iDiamondSize, start_y); |
1154 |
|
CHECK_MV8_CANDIDATE(start_x + iDiamondSize, start_y); |
1155 |
|
CHECK_MV8_CANDIDATE(start_x, start_y - iDiamondSize); |
1156 |
|
CHECK_MV8_CANDIDATE(start_x, start_y + iDiamondSize); |
1157 |
|
} else { |
1158 |
|
int bDirection = 1 + 2 + 4 + 8; |
1159 |
|
|
1160 |
|
do { |
1161 |
|
iDirection = 0; |
1162 |
|
if (bDirection & 1) //we only want to check left if we came from the right (our last motion was to the left, up-left or down-left) |
1163 |
|
CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, start_y, 1); |
1164 |
|
|
1165 |
|
if (bDirection & 2) |
1166 |
|
CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, start_y, 2); |
1167 |
|
|
1168 |
|
if (bDirection & 4) |
1169 |
|
CHECK_MV8_CANDIDATE_DIR(start_x, start_y - iDiamondSize, 4); |
1170 |
|
|
1171 |
|
if (bDirection & 8) |
1172 |
|
CHECK_MV8_CANDIDATE_DIR(start_x, start_y + iDiamondSize, 8); |
1173 |
|
|
1174 |
|
/* now we're doing diagonal checks near our candidate */ |
1175 |
|
|
1176 |
|
if (iDirection) //checking if anything found |
1177 |
|
{ |
1178 |
|
bDirection = iDirection; |
1179 |
|
iDirection = 0; |
1180 |
|
start_x = currMV->x; |
1181 |
|
start_y = currMV->y; |
1182 |
|
if (bDirection & 3) //our candidate is left or right |
1183 |
|
{ |
1184 |
|
CHECK_MV8_CANDIDATE_DIR(start_x, start_y + iDiamondSize, 8); |
1185 |
|
CHECK_MV8_CANDIDATE_DIR(start_x, start_y - iDiamondSize, 4); |
1186 |
|
} else // what remains here is up or down |
1187 |
|
{ |
1188 |
|
CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, start_y, 2); |
1189 |
|
CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, start_y, 1); |
1190 |
|
} |
1191 |
|
|
1192 |
|
if (iDirection) { |
1193 |
|
bDirection += iDirection; |
1194 |
|
start_x = currMV->x; |
1195 |
|
start_y = currMV->y; |
1196 |
|
} |
1197 |
|
} else //about to quit, eh? not so fast.... |
1198 |
|
{ |
1199 |
|
switch (bDirection) { |
1200 |
|
case 2: |
1201 |
|
CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, |
1202 |
|
start_y - iDiamondSize, 2 + 4); |
1203 |
|
CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, |
1204 |
|
start_y + iDiamondSize, 2 + 8); |
1205 |
|
break; |
1206 |
|
case 1: |
1207 |
|
CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, |
1208 |
|
start_y - iDiamondSize, 1 + 4); |
1209 |
|
CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, |
1210 |
|
start_y + iDiamondSize, 1 + 8); |
1211 |
|
break; |
1212 |
|
case 2 + 4: |
1213 |
|
CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, |
1214 |
|
start_y - iDiamondSize, 1 + 4); |
1215 |
|
CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, |
1216 |
|
start_y - iDiamondSize, 2 + 4); |
1217 |
|
CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, |
1218 |
|
start_y + iDiamondSize, 2 + 8); |
1219 |
|
break; |
1220 |
|
case 4: |
1221 |
|
CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, |
1222 |
|
start_y - iDiamondSize, 2 + 4); |
1223 |
|
CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, |
1224 |
|
start_y - iDiamondSize, 1 + 4); |
1225 |
|
break; |
1226 |
|
case 8: |
1227 |
|
CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, |
1228 |
|
start_y + iDiamondSize, 2 + 8); |
1229 |
|
CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, |
1230 |
|
start_y + iDiamondSize, 1 + 8); |
1231 |
|
break; |
1232 |
|
case 1 + 4: |
1233 |
|
CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, |
1234 |
|
start_y + iDiamondSize, 1 + 8); |
1235 |
|
CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, |
1236 |
|
start_y - iDiamondSize, 1 + 4); |
1237 |
|
CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, |
1238 |
|
start_y - iDiamondSize, 2 + 4); |
1239 |
|
break; |
1240 |
|
case 2 + 8: |
1241 |
|
CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, |
1242 |
|
start_y - iDiamondSize, 1 + 4); |
1243 |
|
CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, |
1244 |
|
start_y + iDiamondSize, 1 + 8); |
1245 |
|
CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, |
1246 |
|
start_y + iDiamondSize, 2 + 8); |
1247 |
|
break; |
1248 |
|
case 1 + 8: |
1249 |
|
CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, |
1250 |
|
start_y - iDiamondSize, 2 + 4); |
1251 |
|
CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, |
1252 |
|
start_y + iDiamondSize, 2 + 8); |
1253 |
|
CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, |
1254 |
|
start_y + iDiamondSize, 1 + 8); |
1255 |
|
break; |
1256 |
|
default: //1+2+4+8 == we didn't find anything at all |
1257 |
|
CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, |
1258 |
|
start_y - iDiamondSize, 1 + 4); |
1259 |
|
CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, |
1260 |
|
start_y + iDiamondSize, 1 + 8); |
1261 |
|
CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, |
1262 |
|
start_y - iDiamondSize, 2 + 4); |
1263 |
|
CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, |
1264 |
|
start_y + iDiamondSize, 2 + 8); |
1265 |
|
break; |
1266 |
|
} |
1267 |
|
if (!(iDirection)) |
1268 |
|
break; //ok, the end. really |
1269 |
|
else { |
1270 |
|
bDirection = iDirection; |
1271 |
|
start_x = currMV->x; |
1272 |
|
start_y = currMV->y; |
1273 |
|
} |
1274 |
|
} |
1275 |
|
} |
1276 |
|
while (1); //forever |
1277 |
|
} |
1278 |
|
return iMinSAD; |
1279 |
|
} |
1280 |
|
|
1281 |
|
|
1282 |
|
int32_t |
1283 |
|
Full8_MainSearch(const uint8_t * const pRef, |
1284 |
|
const uint8_t * const pRefH, |
1285 |
|
const uint8_t * const pRefV, |
1286 |
|
const uint8_t * const pRefHV, |
1287 |
|
const uint8_t * const cur, |
1288 |
|
const int x, |
1289 |
|
const int y, |
1290 |
|
const int start_x, |
1291 |
|
const int start_y, |
1292 |
|
int iMinSAD, |
1293 |
|
VECTOR * const currMV, |
1294 |
|
const int center_x, |
1295 |
|
const int center_y, |
1296 |
|
const int32_t min_dx, |
1297 |
|
const int32_t max_dx, |
1298 |
|
const int32_t min_dy, |
1299 |
|
const int32_t max_dy, |
1300 |
|
const int32_t iEdgedWidth, |
1301 |
|
const int32_t iDiamondSize, |
1302 |
|
const int32_t iFcode, |
1303 |
|
const int32_t iQuant, |
1304 |
|
int iFound) |
1305 |
|
{ |
1306 |
|
int32_t iSAD; |
1307 |
|
int32_t dx, dy; |
1308 |
|
VECTOR backupMV; |
1309 |
|
|
1310 |
|
backupMV.x = start_x; |
1311 |
|
backupMV.y = start_y; |
1312 |
|
|
1313 |
|
for (dx = min_dx; dx <= max_dx; dx += iDiamondSize) |
1314 |
|
for (dy = min_dy; dy <= max_dy; dy += iDiamondSize) |
1315 |
|
NOCHECK_MV8_CANDIDATE(dx, dy); |
1316 |
|
|
1317 |
|
return iMinSAD; |
1318 |
|
} |
1319 |
|
|
1320 |
|
Halfpel8_RefineFuncPtr Halfpel8_Refine; |
1321 |
|
|
1322 |
|
int32_t |
1323 |
|
Halfpel16_Refine(const uint8_t * const pRef, |
1324 |
|
const uint8_t * const pRefH, |
1325 |
|
const uint8_t * const pRefV, |
1326 |
|
const uint8_t * const pRefHV, |
1327 |
|
const uint8_t * const cur, |
1328 |
|
const int x, |
1329 |
|
const int y, |
1330 |
|
VECTOR * const currMV, |
1331 |
|
int32_t iMinSAD, |
1332 |
|
const int center_x, |
1333 |
|
const int center_y, |
1334 |
|
const int32_t min_dx, |
1335 |
|
const int32_t max_dx, |
1336 |
|
const int32_t min_dy, |
1337 |
|
const int32_t max_dy, |
1338 |
|
const int32_t iFcode, |
1339 |
|
const int32_t iQuant, |
1340 |
|
const int32_t iEdgedWidth) |
1341 |
|
{ |
1342 |
|
/* Do a half-pel refinement (or rather a "smallest possible amount" refinement) */ |
1343 |
|
|
1344 |
|
int32_t iSAD; |
1345 |
|
VECTOR backupMV = *currMV; |
1346 |
|
|
1347 |
|
CHECK_MV16_CANDIDATE(backupMV.x - 1, backupMV.y - 1); |
1348 |
|
CHECK_MV16_CANDIDATE(backupMV.x, backupMV.y - 1); |
1349 |
|
CHECK_MV16_CANDIDATE(backupMV.x + 1, backupMV.y - 1); |
1350 |
|
CHECK_MV16_CANDIDATE(backupMV.x - 1, backupMV.y); |
1351 |
|
CHECK_MV16_CANDIDATE(backupMV.x + 1, backupMV.y); |
1352 |
|
CHECK_MV16_CANDIDATE(backupMV.x - 1, backupMV.y + 1); |
1353 |
|
CHECK_MV16_CANDIDATE(backupMV.x, backupMV.y + 1); |
1354 |
|
CHECK_MV16_CANDIDATE(backupMV.x + 1, backupMV.y + 1); |
1355 |
|
|
1356 |
|
return iMinSAD; |
1357 |
|
} |
1358 |
|
|
1359 |
|
#define PMV_HALFPEL16 (PMV_HALFPELDIAMOND16|PMV_HALFPELREFINE16) |
1360 |
|
|
1361 |
|
|
1362 |
|
|
1363 |
|
int32_t |
1364 |
|
PMVfastSearch16(const uint8_t * const pRef, |
1365 |
|
const uint8_t * const pRefH, |
1366 |
|
const uint8_t * const pRefV, |
1367 |
|
const uint8_t * const pRefHV, |
1368 |
|
const IMAGE * const pCur, |
1369 |
|
const int x, |
1370 |
|
const int y, |
1371 |
|
const int start_x, /* start is searched first, so it should contain the most */ |
1372 |
|
const int start_y, /* likely motion vector for this block */ |
1373 |
|
const int center_x, /* center is from where length of MVs is measured */ |
1374 |
|
const int center_y, |
1375 |
|
const uint32_t MotionFlags, |
1376 |
|
const uint32_t iQuant, |
1377 |
|
const uint32_t iFcode, |
1378 |
|
const MBParam * const pParam, |
1379 |
|
const MACROBLOCK * const pMBs, |
1380 |
|
const MACROBLOCK * const prevMBs, |
1381 |
|
VECTOR * const currMV, |
1382 |
|
VECTOR * const currPMV) |
1383 |
|
{ |
1384 |
|
const uint32_t iWcount = pParam->mb_width; |
1385 |
|
const int32_t iWidth = pParam->width; |
1386 |
|
const int32_t iHeight = pParam->height; |
1387 |
|
const int32_t iEdgedWidth = pParam->edged_width; |
1388 |
|
|
1389 |
|
const uint8_t *cur = pCur->y + x * 16 + y * 16 * iEdgedWidth; |
1390 |
|
|
1391 |
|
int32_t iDiamondSize; |
1392 |
|
|
1393 |
int32_t min_dx; |
int32_t min_dx; |
1394 |
int32_t max_dx; |
int32_t max_dx; |
1403 |
VECTOR pmv[4]; |
VECTOR pmv[4]; |
1404 |
int32_t psad[4]; |
int32_t psad[4]; |
1405 |
|
|
1406 |
const MACROBLOCK * const pMB = pMBs + x + y * iWcount; |
MainSearch16FuncPtr MainSearchPtr; |
1407 |
|
|
1408 |
const MACROBLOCK * const prevMB = prevMBs + x + y * iWcount; |
const MACROBLOCK * const prevMB = prevMBs + x + y * iWcount; |
1409 |
|
|
1410 |
static int32_t threshA,threshB; |
int32_t threshA, threshB; |
1411 |
int32_t bPredEq; |
int32_t bPredEq; |
1412 |
int32_t iMinSAD,iSAD; |
int32_t iMinSAD,iSAD; |
1413 |
|
|
1414 |
/* Get maximum range */ |
/* Get maximum range */ |
1415 |
get_range(&min_dx, &max_dx, &min_dy, &max_dy, |
get_range(&min_dx, &max_dx, &min_dy, &max_dy, x, y, 16, iWidth, iHeight, |
1416 |
x, y, 16, iWidth, iHeight, iFcode); |
iFcode); |
1417 |
|
|
1418 |
/* we work with abs. MVs, not relative to prediction, so get_range is called relative to 0,0 */ |
/* we work with abs. MVs, not relative to prediction, so get_range is called relative to 0,0 */ |
1419 |
|
|
1420 |
if (!(MotionFlags & PMV_HALFPEL16 )) |
if (!(MotionFlags & PMV_HALFPEL16)) { |
1421 |
{ min_dx = EVEN(min_dx); |
min_dx = EVEN(min_dx); |
1422 |
max_dx = EVEN(max_dx); |
max_dx = EVEN(max_dx); |
1423 |
min_dy = EVEN(min_dy); |
min_dy = EVEN(min_dy); |
1424 |
max_dy = EVEN(max_dy); |
max_dy = EVEN(max_dy); |
1425 |
} /* because we might use something like IF (dx>max_dx) THEN dx=max_dx; */ |
} |
|
|
|
1426 |
|
|
1427 |
bPredEq = get_pmvdata(pMBs, x, y, iWcount, 0, pmv, psad); |
/* because we might use something like IF (dx>max_dx) THEN dx=max_dx; */ |
1428 |
|
//bPredEq = get_pmvdata(pMBs, x, y, iWcount, 0, pmv, psad); |
1429 |
|
bPredEq = get_pmvdata2(pMBs, iWcount, 0, x, y, 0, pmv, psad); |
1430 |
|
|
1431 |
if ((x==0) && (y==0) ) |
if ((x == 0) && (y == 0)) { |
|
{ |
|
1432 |
threshA = 512; |
threshA = 512; |
1433 |
threshB = 1024; |
threshB = 1024; |
1434 |
|
} else { |
|
} |
|
|
else |
|
|
{ |
|
1435 |
threshA = psad[0]; |
threshA = psad[0]; |
1436 |
threshB = threshA+256; |
threshB = threshA+256; |
1437 |
if (threshA< 512) threshA = 512; |
if (threshA < 512) |
1438 |
if (threshA>1024) threshA = 1024; |
threshA = 512; |
1439 |
if (threshB>1792) threshB = 1792; |
if (threshA > 1024) |
1440 |
|
threshA = 1024; |
1441 |
|
if (threshB > 1792) |
1442 |
|
threshB = 1792; |
1443 |
} |
} |
1444 |
|
|
1445 |
iFound=0; |
iFound=0; |
1446 |
|
|
|
/* Step 2: Calculate Distance= |MedianMVX| + |MedianMVY| where MedianMV is the motion |
|
|
vector of the median. |
|
|
If PredEq=1 and MVpredicted = Previous Frame MV, set Found=2 |
|
|
*/ |
|
|
|
|
|
if ((bPredEq) && (MVequal(pmv[0],prevMB->mvs[0]) ) ) |
|
|
iFound=2; |
|
|
|
|
|
/* Step 3: If Distance>0 or thresb<1536 or PredEq=1 Select small Diamond Search. |
|
|
Otherwise select large Diamond Search. |
|
|
*/ |
|
|
|
|
|
if ( (pmv[0].x != 0) || (pmv[0].y != 0) || (threshB<1536) || (bPredEq) ) |
|
|
iDiamondSize=1; // halfpel! |
|
|
else |
|
|
iDiamondSize=2; // halfpel! |
|
|
|
|
|
if (!(MotionFlags & PMV_HALFPELDIAMOND16) ) |
|
|
iDiamondSize*=2; |
|
|
|
|
1447 |
/* Step 4: Calculate SAD around the Median prediction. |
/* Step 4: Calculate SAD around the Median prediction. |
1448 |
MinSAD=SAD |
MinSAD=SAD |
1449 |
If Motion Vector equal to Previous frame motion vector |
If Motion Vector equal to Previous frame motion vector |
1451 |
If SAD<=256 goto Step 10. |
If SAD<=256 goto Step 10. |
1452 |
*/ |
*/ |
1453 |
|
|
1454 |
|
currMV->x = start_x; |
1455 |
|
currMV->y = start_y; |
1456 |
|
|
1457 |
// Prepare for main loop |
if (!(MotionFlags & PMV_HALFPEL16)) { /* This should NOT be necessary! */ |
|
|
|
|
*currMV=pmv[0]; /* current best := prediction */ |
|
|
if (!(MotionFlags & PMV_HALFPEL16 )) |
|
|
{ /* This should NOT be necessary! */ |
|
1458 |
currMV->x = EVEN(currMV->x); |
currMV->x = EVEN(currMV->x); |
1459 |
currMV->y = EVEN(currMV->y); |
currMV->y = EVEN(currMV->y); |
1460 |
} |
} |
1461 |
|
|
1462 |
if (currMV->x > max_dx) |
if (currMV->x > max_dx) { |
|
{ |
|
1463 |
currMV->x=max_dx; |
currMV->x=max_dx; |
1464 |
} |
} |
1465 |
if (currMV->x < min_dx) |
if (currMV->x < min_dx) { |
|
{ |
|
1466 |
currMV->x=min_dx; |
currMV->x=min_dx; |
1467 |
} |
} |
1468 |
if (currMV->y > max_dy) |
if (currMV->y > max_dy) { |
|
{ |
|
1469 |
currMV->y=max_dy; |
currMV->y=max_dy; |
1470 |
} |
} |
1471 |
if (currMV->y < min_dy) |
if (currMV->y < min_dy) { |
|
{ |
|
1472 |
currMV->y=min_dy; |
currMV->y=min_dy; |
1473 |
} |
} |
1474 |
|
|
1475 |
iMinSAD = sad16( cur, |
iMinSAD = |
1476 |
get_ref_mv(pRef, pRefH, pRefV, pRefHV, x, y, 16, currMV, iEdgedWidth), |
sad16(cur, |
1477 |
iEdgedWidth, MV_MAX_ERROR); |
get_ref_mv(pRef, pRefH, pRefV, pRefHV, x, y, 16, currMV, |
1478 |
iMinSAD += calc_delta_16(currMV->x-pmv[0].x, currMV->y-pmv[0].y, (uint8_t)iFcode) * iQuant; |
iEdgedWidth), iEdgedWidth, MV_MAX_ERROR); |
1479 |
|
iMinSAD += |
1480 |
if ( (iMinSAD < 256 ) || ( (MVequal(*currMV,prevMB->mvs[0])) && ((uint32_t)iMinSAD < prevMB->sad16) ) ) |
calc_delta_16(currMV->x - center_x, currMV->y - center_y, |
1481 |
{ |
(uint8_t) iFcode, iQuant); |
1482 |
|
|
1483 |
|
if ((iMinSAD < 256) || |
1484 |
|
((MVequal(*currMV, prevMB->mvs[0])) && |
1485 |
|
((int32_t) iMinSAD < prevMB->sad16))) { |
1486 |
|
if (iMinSAD < 2 * iQuant) // high chances for SKIP-mode |
1487 |
|
{ |
1488 |
|
if (!MVzero(*currMV)) { |
1489 |
|
iMinSAD += MV16_00_BIAS; |
1490 |
|
CHECK_MV16_ZERO; // (0,0) saves space for letterboxed pictures |
1491 |
|
iMinSAD -= MV16_00_BIAS; |
1492 |
|
} |
1493 |
|
} |
1494 |
|
|
1495 |
if (MotionFlags & PMV_QUICKSTOP16) |
if (MotionFlags & PMV_QUICKSTOP16) |
1496 |
goto PMVfast16_Terminate_without_Refine; |
goto PMVfast16_Terminate_without_Refine; |
1498 |
goto PMVfast16_Terminate_with_Refine; |
goto PMVfast16_Terminate_with_Refine; |
1499 |
} |
} |
1500 |
|
|
1501 |
|
|
1502 |
|
/* Step 2 (lazy eval): Calculate Distance= |MedianMVX| + |MedianMVY| where MedianMV is the motion |
1503 |
|
vector of the median. |
1504 |
|
If PredEq=1 and MVpredicted = Previous Frame MV, set Found=2 |
1505 |
|
*/ |
1506 |
|
|
1507 |
|
if ((bPredEq) && (MVequal(pmv[0], prevMB->mvs[0]))) |
1508 |
|
iFound = 2; |
1509 |
|
|
1510 |
|
/* Step 3 (lazy eval): If Distance>0 or thresb<1536 or PredEq=1 Select small Diamond Search. |
1511 |
|
Otherwise select large Diamond Search. |
1512 |
|
*/ |
1513 |
|
|
1514 |
|
if ((!MVzero(pmv[0])) || (threshB < 1536) || (bPredEq)) |
1515 |
|
iDiamondSize = 1; // halfpel! |
1516 |
|
else |
1517 |
|
iDiamondSize = 2; // halfpel! |
1518 |
|
|
1519 |
|
if (!(MotionFlags & PMV_HALFPELDIAMOND16)) |
1520 |
|
iDiamondSize *= 2; |
1521 |
|
|
1522 |
/* |
/* |
1523 |
Step 5: Calculate SAD for motion vectors taken from left block, top, top-right, and Previous frame block. |
Step 5: Calculate SAD for motion vectors taken from left block, top, top-right, and Previous frame block. |
1524 |
Also calculate (0,0) but do not subtract offset. |
Also calculate (0,0) but do not subtract offset. |
1525 |
Let MinSAD be the smallest SAD up to this point. |
Let MinSAD be the smallest SAD up to this point. |
1526 |
If MV is (0,0) subtract offset. ******** WHAT'S THIS 'OFFSET' ??? *********** |
If MV is (0,0) subtract offset. |
1527 |
*/ |
*/ |
1528 |
|
|
1529 |
// (0,0) is always possible |
// (0,0) is always possible |
1530 |
|
|
1531 |
|
if (!MVzero(pmv[0])) |
1532 |
CHECK_MV16_ZERO; |
CHECK_MV16_ZERO; |
1533 |
|
|
1534 |
// previous frame MV is always possible |
// previous frame MV is always possible |
1535 |
|
|
1536 |
|
if (!MVzero(prevMB->mvs[0])) |
1537 |
|
if (!MVequal(prevMB->mvs[0], pmv[0])) |
1538 |
CHECK_MV16_CANDIDATE(prevMB->mvs[0].x,prevMB->mvs[0].y); |
CHECK_MV16_CANDIDATE(prevMB->mvs[0].x,prevMB->mvs[0].y); |
1539 |
|
|
1540 |
// left neighbour, if allowed |
// left neighbour, if allowed |
1541 |
if (x != 0) |
|
1542 |
{ |
if (!MVzero(pmv[1])) |
1543 |
if (!(MotionFlags & PMV_HALFPEL16 )) |
if (!MVequal(pmv[1], prevMB->mvs[0])) |
1544 |
{ pmv[1].x = EVEN(pmv[1].x); |
if (!MVequal(pmv[1], pmv[0])) { |
1545 |
|
if (!(MotionFlags & PMV_HALFPEL16)) { |
1546 |
|
pmv[1].x = EVEN(pmv[1].x); |
1547 |
pmv[1].y = EVEN(pmv[1].y); |
pmv[1].y = EVEN(pmv[1].y); |
1548 |
} |
} |
1549 |
|
|
1550 |
CHECK_MV16_CANDIDATE(pmv[1].x,pmv[1].y); |
CHECK_MV16_CANDIDATE(pmv[1].x,pmv[1].y); |
1551 |
} |
} |
|
|
|
1552 |
// top neighbour, if allowed |
// top neighbour, if allowed |
1553 |
if (y != 0) |
if (!MVzero(pmv[2])) |
1554 |
{ |
if (!MVequal(pmv[2], prevMB->mvs[0])) |
1555 |
if (!(MotionFlags & PMV_HALFPEL16 )) |
if (!MVequal(pmv[2], pmv[0])) |
1556 |
{ pmv[2].x = EVEN(pmv[2].x); |
if (!MVequal(pmv[2], pmv[1])) { |
1557 |
|
if (!(MotionFlags & PMV_HALFPEL16)) { |
1558 |
|
pmv[2].x = EVEN(pmv[2].x); |
1559 |
pmv[2].y = EVEN(pmv[2].y); |
pmv[2].y = EVEN(pmv[2].y); |
1560 |
} |
} |
1561 |
CHECK_MV16_CANDIDATE(pmv[2].x,pmv[2].y); |
CHECK_MV16_CANDIDATE(pmv[2].x,pmv[2].y); |
1562 |
|
|
1563 |
// top right neighbour, if allowed |
// top right neighbour, if allowed |
1564 |
if ((uint32_t)x != (iWcount-1)) |
if (!MVzero(pmv[3])) |
1565 |
{ |
if (!MVequal(pmv[3], prevMB->mvs[0])) |
1566 |
if (!(MotionFlags & PMV_HALFPEL16 )) |
if (!MVequal(pmv[3], pmv[0])) |
1567 |
{ pmv[3].x = EVEN(pmv[3].x); |
if (!MVequal(pmv[3], pmv[1])) |
1568 |
|
if (!MVequal(pmv[3], pmv[2])) { |
1569 |
|
if (!(MotionFlags & PMV_HALFPEL16)) { |
1570 |
|
pmv[3].x = EVEN(pmv[3].x); |
1571 |
pmv[3].y = EVEN(pmv[3].y); |
pmv[3].y = EVEN(pmv[3].y); |
1572 |
} |
} |
1573 |
CHECK_MV16_CANDIDATE(pmv[3].x,pmv[3].y); |
CHECK_MV16_CANDIDATE(pmv[3].x, |
1574 |
|
pmv[3].y); |
1575 |
} |
} |
1576 |
} |
} |
1577 |
|
|
1578 |
|
if ((MVzero(*currMV)) && |
1579 |
|
(!MVzero(pmv[0])) /* && (iMinSAD <= iQuant * 96) */ ) |
1580 |
|
iMinSAD -= MV16_00_BIAS; |
1581 |
|
|
1582 |
|
|
1583 |
/* Step 6: If MinSAD <= thresa goto Step 10. |
/* Step 6: If MinSAD <= thresa goto Step 10. |
1584 |
If Motion Vector equal to Previous frame motion vector and MinSAD<PrevFrmSAD goto Step 10. |
If Motion Vector equal to Previous frame motion vector and MinSAD<PrevFrmSAD goto Step 10. |
1585 |
*/ |
*/ |
1586 |
|
|
1587 |
if ( (iMinSAD <= threshA) || ( MVequal(*currMV,prevMB->mvs[0]) && ((uint32_t)iMinSAD < prevMB->sad16) ) ) |
if ((iMinSAD <= threshA) || |
1588 |
{ |
(MVequal(*currMV, prevMB->mvs[0]) && |
1589 |
|
((int32_t) iMinSAD < prevMB->sad16))) { |
1590 |
if (MotionFlags & PMV_QUICKSTOP16) |
if (MotionFlags & PMV_QUICKSTOP16) |
1591 |
goto PMVfast16_Terminate_without_Refine; |
goto PMVfast16_Terminate_without_Refine; |
1592 |
if (MotionFlags & PMV_EARLYSTOP16) |
if (MotionFlags & PMV_EARLYSTOP16) |
1604 |
Refine by using small diamond and goto step 10. |
Refine by using small diamond and goto step 10. |
1605 |
*/ |
*/ |
1606 |
|
|
1607 |
|
if (MotionFlags & PMV_USESQUARES16) |
1608 |
|
MainSearchPtr = Square16_MainSearch; |
1609 |
|
else if (MotionFlags & PMV_ADVANCEDDIAMOND16) |
1610 |
|
MainSearchPtr = AdvDiamond16_MainSearch; |
1611 |
|
else |
1612 |
|
MainSearchPtr = Diamond16_MainSearch; |
1613 |
|
|
1614 |
backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
1615 |
|
|
1616 |
|
|
1617 |
/* default: use best prediction as starting point for one call of PMVfast_MainSearch */ |
/* default: use best prediction as starting point for one call of PMVfast_MainSearch */ |
1618 |
iSAD = Diamond16_MainSearch(pRef, pRefH, pRefV, pRefHV, cur, |
iSAD = |
1619 |
x, y, |
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, |
1620 |
currMV->x, currMV->y, iMinSAD, &newMV, |
currMV->x, currMV->y, iMinSAD, &newMV, center_x, center_y, |
1621 |
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, iQuant, iFound); |
min_dx, max_dx, |
1622 |
|
min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, |
1623 |
|
iQuant, iFound); |
1624 |
|
|
1625 |
if (iSAD < iMinSAD) |
if (iSAD < iMinSAD) { |
|
{ |
|
1626 |
*currMV = newMV; |
*currMV = newMV; |
1627 |
iMinSAD = iSAD; |
iMinSAD = iSAD; |
1628 |
} |
} |
1629 |
|
|
1630 |
if (MotionFlags & PMV_EXTSEARCH16) |
if (MotionFlags & PMV_EXTSEARCH16) { |
|
{ |
|
1631 |
/* extended: search (up to) two more times: orignal prediction and (0,0) */ |
/* extended: search (up to) two more times: orignal prediction and (0,0) */ |
1632 |
|
|
1633 |
if (!(MVequal(pmv[0],backupMV)) ) |
if (!(MVequal(pmv[0], backupMV))) { |
1634 |
{ iSAD = Diamond16_MainSearch(pRef, pRefH, pRefV, pRefHV, cur, |
iSAD = |
1635 |
x, y, |
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, |
1636 |
pmv[0].x, pmv[0].y, iMinSAD, &newMV, |
center_x, center_y, iMinSAD, &newMV, center_x, center_y, |
1637 |
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, iQuant, iFound); |
min_dx, max_dx, min_dy, max_dy, iEdgedWidth, |
1638 |
|
iDiamondSize, iFcode, iQuant, iFound); |
1639 |
|
|
1640 |
if (iSAD < iMinSAD) |
if (iSAD < iMinSAD) { |
|
{ |
|
1641 |
*currMV = newMV; |
*currMV = newMV; |
1642 |
iMinSAD = iSAD; |
iMinSAD = iSAD; |
1643 |
} |
} |
1644 |
} |
} |
1645 |
|
|
1646 |
if ( (!(MVzero(pmv[0]))) && (!(MVzero(backupMV))) ) |
if ((!(MVzero(pmv[0]))) && (!(MVzero(backupMV)))) { |
1647 |
{ iSAD = Diamond16_MainSearch(pRef, pRefH, pRefV, pRefHV, cur, |
iSAD = |
1648 |
x, y, |
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, 0, 0, |
1649 |
0, 0, iMinSAD, &newMV, |
iMinSAD, &newMV, center_x, center_y, |
1650 |
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, iQuant, iFound); |
min_dx, max_dx, min_dy, max_dy, |
1651 |
|
iEdgedWidth, iDiamondSize, iFcode, |
1652 |
|
iQuant, iFound); |
1653 |
|
|
1654 |
if (iSAD < iMinSAD) |
if (iSAD < iMinSAD) { |
|
{ |
|
1655 |
*currMV = newMV; |
*currMV = newMV; |
1656 |
iMinSAD = iSAD; |
iMinSAD = iSAD; |
1657 |
} |
} |
1664 |
|
|
1665 |
PMVfast16_Terminate_with_Refine: |
PMVfast16_Terminate_with_Refine: |
1666 |
if (MotionFlags & PMV_HALFPELREFINE16) // perform final half-pel step |
if (MotionFlags & PMV_HALFPELREFINE16) // perform final half-pel step |
1667 |
iMinSAD = Halfpel16_Refine( pRef, pRefH, pRefV, pRefHV, cur, |
iMinSAD = |
1668 |
x, y, |
Halfpel16_Refine(pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV, |
1669 |
currMV, iMinSAD, |
iMinSAD, center_x, center_y, min_dx, max_dx, min_dy, max_dy, |
1670 |
pmv, min_dx, max_dx, min_dy, max_dy, iFcode, iQuant, iEdgedWidth); |
iFcode, iQuant, iEdgedWidth); |
1671 |
|
|
1672 |
PMVfast16_Terminate_without_Refine: |
PMVfast16_Terminate_without_Refine: |
1673 |
currPMV->x = currMV->x - pmv[0].x; |
currPMV->x = currMV->x - center_x; |
1674 |
currPMV->y = currMV->y - pmv[0].y; |
currPMV->y = currMV->y - center_y; |
1675 |
return iMinSAD; |
return iMinSAD; |
1676 |
} |
} |
1677 |
|
|
1680 |
|
|
1681 |
|
|
1682 |
|
|
1683 |
int32_t Diamond8_MainSearch( |
int32_t |
1684 |
const uint8_t * const pRef, |
Diamond8_MainSearch(const uint8_t * const pRef, |
1685 |
const uint8_t * const pRefH, |
const uint8_t * const pRefH, |
1686 |
const uint8_t * const pRefV, |
const uint8_t * const pRefV, |
1687 |
const uint8_t * const pRefHV, |
const uint8_t * const pRefHV, |
1688 |
const uint8_t * const cur, |
const uint8_t * const cur, |
1689 |
const int x, const int y, |
const int x, |
1690 |
int32_t startx, int32_t starty, |
const int y, |
1691 |
|
int32_t start_x, |
1692 |
|
int32_t start_y, |
1693 |
int32_t iMinSAD, |
int32_t iMinSAD, |
1694 |
VECTOR * const currMV, |
VECTOR * const currMV, |
1695 |
const VECTOR * const pmv, |
const int center_x, |
1696 |
const int32_t min_dx, const int32_t max_dx, |
const int center_y, |
1697 |
const int32_t min_dy, const int32_t max_dy, |
const int32_t min_dx, |
1698 |
|
const int32_t max_dx, |
1699 |
|
const int32_t min_dy, |
1700 |
|
const int32_t max_dy, |
1701 |
const int32_t iEdgedWidth, |
const int32_t iEdgedWidth, |
1702 |
const int32_t iDiamondSize, |
const int32_t iDiamondSize, |
1703 |
const int32_t iFcode, |
const int32_t iFcode, |
1707 |
/* Do a diamond search around given starting point, return SAD of best */ |
/* Do a diamond search around given starting point, return SAD of best */ |
1708 |
|
|
1709 |
int32_t iDirection=0; |
int32_t iDirection=0; |
1710 |
|
int32_t iDirectionBackup; |
1711 |
int32_t iSAD; |
int32_t iSAD; |
1712 |
VECTOR backupMV; |
VECTOR backupMV; |
1713 |
backupMV.x = startx; |
|
1714 |
backupMV.y = starty; |
backupMV.x = start_x; |
1715 |
|
backupMV.y = start_y; |
1716 |
|
|
1717 |
/* It's one search with full Diamond pattern, and only 3 of 4 for all following diamonds */ |
/* It's one search with full Diamond pattern, and only 3 of 4 for all following diamonds */ |
1718 |
|
|
1721 |
CHECK_MV8_CANDIDATE_DIR(backupMV.x,backupMV.y-iDiamondSize,3); |
CHECK_MV8_CANDIDATE_DIR(backupMV.x,backupMV.y-iDiamondSize,3); |
1722 |
CHECK_MV8_CANDIDATE_DIR(backupMV.x,backupMV.y+iDiamondSize,4); |
CHECK_MV8_CANDIDATE_DIR(backupMV.x,backupMV.y+iDiamondSize,4); |
1723 |
|
|
1724 |
if (iDirection) |
if (iDirection) { |
1725 |
while (!iFound) |
while (!iFound) { |
|
{ |
|
1726 |
iFound = 1; |
iFound = 1; |
1727 |
backupMV=*currMV; // since iDirection!=0, this is well defined! |
backupMV=*currMV; // since iDirection!=0, this is well defined! |
1728 |
|
iDirectionBackup = iDirection; |
1729 |
|
|
1730 |
if ( iDirection != 2) |
if (iDirectionBackup != 2) |
1731 |
CHECK_MV8_CANDIDATE_FOUND(backupMV.x-iDiamondSize,backupMV.y,1); |
CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
1732 |
if ( iDirection != 1) |
backupMV.y, 1); |
1733 |
CHECK_MV8_CANDIDATE_FOUND(backupMV.x+iDiamondSize,backupMV.y,2); |
if (iDirectionBackup != 1) |
1734 |
if ( iDirection != 4) |
CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
1735 |
CHECK_MV8_CANDIDATE_FOUND(backupMV.x,backupMV.y-iDiamondSize,3); |
backupMV.y, 2); |
1736 |
if ( iDirection != 3) |
if (iDirectionBackup != 4) |
1737 |
CHECK_MV8_CANDIDATE_FOUND(backupMV.x,backupMV.y+iDiamondSize,4); |
CHECK_MV8_CANDIDATE_FOUND(backupMV.x, |
1738 |
|
backupMV.y - iDiamondSize, 3); |
1739 |
|
if (iDirectionBackup != 3) |
1740 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x, |
1741 |
|
backupMV.y + iDiamondSize, 4); |
1742 |
} |
} |
1743 |
else |
} else { |
1744 |
|
currMV->x = start_x; |
1745 |
|
currMV->y = start_y; |
1746 |
|
} |
1747 |
|
return iMinSAD; |
1748 |
|
} |
1749 |
|
|
1750 |
|
|
1751 |
|
|
1752 |
|
|
1753 |
|
int32_t |
1754 |
|
Square8_MainSearch(const uint8_t * const pRef, |
1755 |
|
const uint8_t * const pRefH, |
1756 |
|
const uint8_t * const pRefV, |
1757 |
|
const uint8_t * const pRefHV, |
1758 |
|
const uint8_t * const cur, |
1759 |
|
const int x, |
1760 |
|
const int y, |
1761 |
|
int32_t start_x, |
1762 |
|
int32_t start_y, |
1763 |
|
int32_t iMinSAD, |
1764 |
|
VECTOR * const currMV, |
1765 |
|
const int center_x, |
1766 |
|
const int center_y, |
1767 |
|
const int32_t min_dx, |
1768 |
|
const int32_t max_dx, |
1769 |
|
const int32_t min_dy, |
1770 |
|
const int32_t max_dy, |
1771 |
|
const int32_t iEdgedWidth, |
1772 |
|
const int32_t iDiamondSize, |
1773 |
|
const int32_t iFcode, |
1774 |
|
const int32_t iQuant, |
1775 |
|
int iFound) |
1776 |
{ |
{ |
1777 |
currMV->x = startx; |
/* Do a square search around given starting point, return SAD of best */ |
1778 |
currMV->y = starty; |
|
1779 |
|
int32_t iDirection = 0; |
1780 |
|
int32_t iSAD; |
1781 |
|
VECTOR backupMV; |
1782 |
|
|
1783 |
|
backupMV.x = start_x; |
1784 |
|
backupMV.y = start_y; |
1785 |
|
|
1786 |
|
/* It's one search with full square pattern, and new parts for all following diamonds */ |
1787 |
|
|
1788 |
|
/* new direction are extra, so 1-4 is normal diamond |
1789 |
|
537 |
1790 |
|
1*2 |
1791 |
|
648 |
1792 |
|
*/ |
1793 |
|
|
1794 |
|
CHECK_MV8_CANDIDATE_DIR(backupMV.x - iDiamondSize, backupMV.y, 1); |
1795 |
|
CHECK_MV8_CANDIDATE_DIR(backupMV.x + iDiamondSize, backupMV.y, 2); |
1796 |
|
CHECK_MV8_CANDIDATE_DIR(backupMV.x, backupMV.y - iDiamondSize, 3); |
1797 |
|
CHECK_MV8_CANDIDATE_DIR(backupMV.x, backupMV.y + iDiamondSize, 4); |
1798 |
|
|
1799 |
|
CHECK_MV8_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
1800 |
|
backupMV.y - iDiamondSize, 5); |
1801 |
|
CHECK_MV8_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
1802 |
|
backupMV.y + iDiamondSize, 6); |
1803 |
|
CHECK_MV8_CANDIDATE_DIR(backupMV.x + iDiamondSize, |
1804 |
|
backupMV.y - iDiamondSize, 7); |
1805 |
|
CHECK_MV8_CANDIDATE_DIR(backupMV.x + iDiamondSize, |
1806 |
|
backupMV.y + iDiamondSize, 8); |
1807 |
|
|
1808 |
|
|
1809 |
|
if (iDirection) { |
1810 |
|
while (!iFound) { |
1811 |
|
iFound = 1; |
1812 |
|
backupMV = *currMV; |
1813 |
|
|
1814 |
|
switch (iDirection) { |
1815 |
|
case 1: |
1816 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
1817 |
|
backupMV.y, 1); |
1818 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
1819 |
|
backupMV.y - iDiamondSize, 5); |
1820 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
1821 |
|
backupMV.y - iDiamondSize, 7); |
1822 |
|
break; |
1823 |
|
case 2: |
1824 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, backupMV.y, |
1825 |
|
2); |
1826 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
1827 |
|
backupMV.y + iDiamondSize, 6); |
1828 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
1829 |
|
backupMV.y + iDiamondSize, 8); |
1830 |
|
break; |
1831 |
|
|
1832 |
|
case 3: |
1833 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x, backupMV.y + iDiamondSize, |
1834 |
|
4); |
1835 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
1836 |
|
backupMV.y - iDiamondSize, 7); |
1837 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
1838 |
|
backupMV.y + iDiamondSize, 8); |
1839 |
|
break; |
1840 |
|
|
1841 |
|
case 4: |
1842 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x, backupMV.y - iDiamondSize, |
1843 |
|
3); |
1844 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
1845 |
|
backupMV.y - iDiamondSize, 5); |
1846 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
1847 |
|
backupMV.y + iDiamondSize, 6); |
1848 |
|
break; |
1849 |
|
|
1850 |
|
case 5: |
1851 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, backupMV.y, |
1852 |
|
1); |
1853 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x, backupMV.y - iDiamondSize, |
1854 |
|
3); |
1855 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
1856 |
|
backupMV.y - iDiamondSize, 5); |
1857 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
1858 |
|
backupMV.y + iDiamondSize, 6); |
1859 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
1860 |
|
backupMV.y - iDiamondSize, 7); |
1861 |
|
break; |
1862 |
|
|
1863 |
|
case 6: |
1864 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, backupMV.y, |
1865 |
|
2); |
1866 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x, backupMV.y - iDiamondSize, |
1867 |
|
3); |
1868 |
|
|
1869 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
1870 |
|
backupMV.y - iDiamondSize, 5); |
1871 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
1872 |
|
backupMV.y + iDiamondSize, 6); |
1873 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
1874 |
|
backupMV.y + iDiamondSize, 8); |
1875 |
|
|
1876 |
|
break; |
1877 |
|
|
1878 |
|
case 7: |
1879 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
1880 |
|
backupMV.y, 1); |
1881 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x, backupMV.y + iDiamondSize, |
1882 |
|
4); |
1883 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
1884 |
|
backupMV.y - iDiamondSize, 5); |
1885 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
1886 |
|
backupMV.y - iDiamondSize, 7); |
1887 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
1888 |
|
backupMV.y + iDiamondSize, 8); |
1889 |
|
break; |
1890 |
|
|
1891 |
|
case 8: |
1892 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, backupMV.y, |
1893 |
|
2); |
1894 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x, backupMV.y + iDiamondSize, |
1895 |
|
4); |
1896 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
1897 |
|
backupMV.y + iDiamondSize, 6); |
1898 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
1899 |
|
backupMV.y - iDiamondSize, 7); |
1900 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
1901 |
|
backupMV.y + iDiamondSize, 8); |
1902 |
|
break; |
1903 |
|
default: |
1904 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, backupMV.y, |
1905 |
|
1); |
1906 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, backupMV.y, |
1907 |
|
2); |
1908 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x, backupMV.y - iDiamondSize, |
1909 |
|
3); |
1910 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x, backupMV.y + iDiamondSize, |
1911 |
|
4); |
1912 |
|
|
1913 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
1914 |
|
backupMV.y - iDiamondSize, 5); |
1915 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
1916 |
|
backupMV.y + iDiamondSize, 6); |
1917 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
1918 |
|
backupMV.y - iDiamondSize, 7); |
1919 |
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
1920 |
|
backupMV.y + iDiamondSize, 8); |
1921 |
|
break; |
1922 |
|
} |
1923 |
|
} |
1924 |
|
} else { |
1925 |
|
currMV->x = start_x; |
1926 |
|
currMV->y = start_y; |
1927 |
} |
} |
1928 |
return iMinSAD; |
return iMinSAD; |
1929 |
} |
} |
1930 |
|
|
1931 |
int32_t Halfpel8_Refine( |
|
1932 |
const uint8_t * const pRef, |
|
1933 |
|
|
1934 |
|
|
1935 |
|
int32_t |
1936 |
|
Halfpel8_Refine_c(const uint8_t * const pRef, |
1937 |
const uint8_t * const pRefH, |
const uint8_t * const pRefH, |
1938 |
const uint8_t * const pRefV, |
const uint8_t * const pRefV, |
1939 |
const uint8_t * const pRefHV, |
const uint8_t * const pRefHV, |
1940 |
const uint8_t * const cur, |
const uint8_t * const cur, |
1941 |
const int x, const int y, |
const int x, |
1942 |
|
const int y, |
1943 |
VECTOR * const currMV, |
VECTOR * const currMV, |
1944 |
int32_t iMinSAD, |
int32_t iMinSAD, |
1945 |
const VECTOR * const pmv, |
const int center_x, |
1946 |
const int32_t min_dx, const int32_t max_dx, |
const int center_y, |
1947 |
const int32_t min_dy, const int32_t max_dy, |
const int32_t min_dx, |
1948 |
|
const int32_t max_dx, |
1949 |
|
const int32_t min_dy, |
1950 |
|
const int32_t max_dy, |
1951 |
const int32_t iFcode, |
const int32_t iFcode, |
1952 |
const int32_t iQuant, |
const int32_t iQuant, |
1953 |
const int32_t iEdgedWidth) |
const int32_t iEdgedWidth) |
1972 |
|
|
1973 |
#define PMV_HALFPEL8 (PMV_HALFPELDIAMOND8|PMV_HALFPELREFINE8) |
#define PMV_HALFPEL8 (PMV_HALFPELDIAMOND8|PMV_HALFPELREFINE8) |
1974 |
|
|
1975 |
int32_t PMVfastSearch8( |
int32_t |
1976 |
const uint8_t * const pRef, |
PMVfastSearch8(const uint8_t * const pRef, |
1977 |
const uint8_t * const pRefH, |
const uint8_t * const pRefH, |
1978 |
const uint8_t * const pRefV, |
const uint8_t * const pRefV, |
1979 |
const uint8_t * const pRefHV, |
const uint8_t * const pRefHV, |
1980 |
const IMAGE * const pCur, |
const IMAGE * const pCur, |
1981 |
const int x, const int y, |
const int x, |
1982 |
const int start_x, const int start_y, |
const int y, |
1983 |
|
const int start_x, |
1984 |
|
const int start_y, |
1985 |
|
const int center_x, |
1986 |
|
const int center_y, |
1987 |
const uint32_t MotionFlags, |
const uint32_t MotionFlags, |
1988 |
const uint32_t iQuant, |
const uint32_t iQuant, |
1989 |
const uint32_t iFcode, |
const uint32_t iFcode, |
2011 |
int32_t psad[4]; |
int32_t psad[4]; |
2012 |
VECTOR newMV; |
VECTOR newMV; |
2013 |
VECTOR backupMV; |
VECTOR backupMV; |
2014 |
|
VECTOR startMV; |
2015 |
|
|
2016 |
const MACROBLOCK * const pMB = pMBs + (x>>1) + (y>>1) * iWcount; |
// const MACROBLOCK * const pMB = pMBs + (x>>1) + (y>>1) * iWcount; |
2017 |
const MACROBLOCK * const prevMB = prevMBs + (x>>1) + (y>>1) * iWcount; |
const MACROBLOCK * const prevMB = prevMBs + (x>>1) + (y>>1) * iWcount; |
2018 |
|
|
2019 |
static int32_t threshA,threshB; |
int32_t threshA, threshB; |
2020 |
int32_t iFound,bPredEq; |
int32_t iFound,bPredEq; |
2021 |
int32_t iMinSAD,iSAD; |
int32_t iMinSAD,iSAD; |
2022 |
|
|
2023 |
int32_t iSubBlock = ((y&1)<<1) + (x&1); |
int32_t iSubBlock = (y & 1) + (y & 1) + (x & 1); |
2024 |
|
|
2025 |
/* Get maximum range */ |
MainSearch8FuncPtr MainSearchPtr; |
|
get_range(&min_dx, &max_dx, &min_dy, &max_dy, |
|
|
x, y, 8, iWidth, iHeight, iFcode); |
|
2026 |
|
|
2027 |
/* we work with abs. MVs, not relative to prediction, so range is relative to 0,0 */ |
/* Init variables */ |
2028 |
|
startMV.x = start_x; |
2029 |
|
startMV.y = start_y; |
2030 |
|
|
2031 |
if (!(MotionFlags & PMV_HALFPELDIAMOND8 )) |
/* Get maximum range */ |
2032 |
{ min_dx = EVEN(min_dx); |
get_range(&min_dx, &max_dx, &min_dy, &max_dy, x, y, 8, iWidth, iHeight, |
2033 |
|
iFcode); |
2034 |
|
|
2035 |
|
if (!(MotionFlags & PMV_HALFPELDIAMOND8)) { |
2036 |
|
min_dx = EVEN(min_dx); |
2037 |
max_dx = EVEN(max_dx); |
max_dx = EVEN(max_dx); |
2038 |
min_dy = EVEN(min_dy); |
min_dy = EVEN(min_dy); |
2039 |
max_dy = EVEN(max_dy); |
max_dy = EVEN(max_dy); |
2040 |
} /* because we might use IF (dx>max_dx) THEN dx=max_dx; */ |
} |
|
|
|
2041 |
|
|
2042 |
bPredEq = get_pmvdata(pMBs, (x>>1), (y>>1), iWcount, iSubBlock, pmv, psad); |
/* because we might use IF (dx>max_dx) THEN dx=max_dx; */ |
2043 |
|
//bPredEq = get_pmvdata(pMBs, (x >> 1), (y >> 1), iWcount, iSubBlock, pmv, psad); |
2044 |
|
bPredEq = get_pmvdata2(pMBs, iWcount, 0, (x >> 1), (y >> 1), iSubBlock, pmv, psad); |
2045 |
|
|
2046 |
if ((x==0) && (y==0) ) |
if ((x == 0) && (y == 0)) { |
|
{ |
|
2047 |
threshA = 512/4; |
threshA = 512/4; |
2048 |
threshB = 1024/4; |
threshB = 1024/4; |
2049 |
|
|
2050 |
} |
} else { |
2051 |
else |
threshA = psad[0] / 4; /* good estimate? */ |
2052 |
{ |
threshB = threshA + 256 / 4; |
2053 |
threshA = psad[0]/4; /* good estimate */ |
if (threshA < 512 / 4) |
2054 |
threshB = threshA+256/4; |
threshA = 512 / 4; |
2055 |
if (threshA< 512/4) threshA = 512/4; |
if (threshA > 1024 / 4) |
2056 |
if (threshA>1024/4) threshA = 1024/4; |
threshA = 1024 / 4; |
2057 |
if (threshB>1792/4) threshB = 1792/4; |
if (threshB > 1792 / 4) |
2058 |
} |
threshB = 1792 / 4; |
2059 |
|
} |
|
iFound=0; |
|
|
|
|
|
/* Step 2: Calculate Distance= |MedianMVX| + |MedianMVY| where MedianMV is the motion |
|
|
vector of the median. |
|
|
If PredEq=1 and MVpredicted = Previous Frame MV, set Found=2 |
|
|
*/ |
|
|
|
|
|
if ((bPredEq) && (MVequal(pmv[0],pMB->mvs[iSubBlock]) ) ) |
|
|
iFound=2; |
|
|
|
|
|
/* Step 3: If Distance>0 or thresb<1536 or PredEq=1 Select small Diamond Search. |
|
|
Otherwise select large Diamond Search. |
|
|
*/ |
|
|
|
|
|
if ( (pmv[0].x != 0) || (pmv[0].y != 0) || (threshB<1536/4) || (bPredEq) ) |
|
|
iDiamondSize=1; // 1 halfpel! |
|
|
else |
|
|
iDiamondSize=2; // 2 halfpel = 1 full pixel! |
|
2060 |
|
|
2061 |
if (!(MotionFlags & PMV_HALFPELDIAMOND8) ) |
iFound = 0; |
|
iDiamondSize*=2; |
|
2062 |
|
|
2063 |
/* Step 4: Calculate SAD around the Median prediction. |
/* Step 4: Calculate SAD around the Median prediction. |
2064 |
MinSAD=SAD |
MinSAD=SAD |
2070 |
|
|
2071 |
// Prepare for main loop |
// Prepare for main loop |
2072 |
|
|
2073 |
currMV->x=start_x; /* start with mv16 */ |
if (MotionFlags & PMV_USESQUARES8) |
2074 |
currMV->y=start_y; |
MainSearchPtr = Square8_MainSearch; |
2075 |
|
else |
2076 |
|
|
2077 |
|
if (MotionFlags & PMV_ADVANCEDDIAMOND8) |
2078 |
|
MainSearchPtr = AdvDiamond8_MainSearch; |
2079 |
|
else |
2080 |
|
MainSearchPtr = Diamond8_MainSearch; |
2081 |
|
|
|
iMinSAD = sad8( cur, |
|
|
get_ref_mv(pRef, pRefH, pRefV, pRefHV, x, y, 8, currMV, iEdgedWidth), |
|
|
iEdgedWidth); |
|
|
iMinSAD += calc_delta_8(currMV->x - pmv[0].x, currMV->y - pmv[0].y, (uint8_t)iFcode) * iQuant; |
|
2082 |
|
|
2083 |
if ( (iMinSAD < 256/4 ) || ( (MVequal(*currMV,pMB->mvs[iSubBlock])) && ((uint32_t)iMinSAD < prevMB->sad8[iSubBlock]) ) ) |
*currMV = startMV; |
2084 |
{ |
|
2085 |
|
iMinSAD = |
2086 |
|
sad8(cur, |
2087 |
|
get_ref_mv(pRef, pRefH, pRefV, pRefHV, x, y, 8, currMV, |
2088 |
|
iEdgedWidth), iEdgedWidth); |
2089 |
|
iMinSAD += |
2090 |
|
calc_delta_8(currMV->x - center_x, currMV->y - center_y, |
2091 |
|
(uint8_t) iFcode, iQuant); |
2092 |
|
|
2093 |
|
if ((iMinSAD < 256 / 4) || ((MVequal(*currMV, prevMB->mvs[iSubBlock])) |
2094 |
|
&& ((int32_t) iMinSAD < |
2095 |
|
prevMB->sad8[iSubBlock]))) { |
2096 |
if (MotionFlags & PMV_QUICKSTOP16) |
if (MotionFlags & PMV_QUICKSTOP16) |
2097 |
goto PMVfast8_Terminate_without_Refine; |
goto PMVfast8_Terminate_without_Refine; |
2098 |
if (MotionFlags & PMV_EARLYSTOP16) |
if (MotionFlags & PMV_EARLYSTOP16) |
2099 |
goto PMVfast8_Terminate_with_Refine; |
goto PMVfast8_Terminate_with_Refine; |
2100 |
} |
} |
2101 |
|
|
2102 |
|
/* Step 2 (lazy eval): Calculate Distance= |MedianMVX| + |MedianMVY| where MedianMV is the motion |
2103 |
|
vector of the median. |
2104 |
|
If PredEq=1 and MVpredicted = Previous Frame MV, set Found=2 |
2105 |
|
*/ |
2106 |
|
|
2107 |
|
if ((bPredEq) && (MVequal(pmv[0], prevMB->mvs[iSubBlock]))) |
2108 |
|
iFound = 2; |
2109 |
|
|
2110 |
|
/* Step 3 (lazy eval): If Distance>0 or thresb<1536 or PredEq=1 Select small Diamond Search. |
2111 |
|
Otherwise select large Diamond Search. |
2112 |
|
*/ |
2113 |
|
|
2114 |
|
if ((!MVzero(pmv[0])) || (threshB < 1536 / 4) || (bPredEq)) |
2115 |
|
iDiamondSize = 1; // 1 halfpel! |
2116 |
|
else |
2117 |
|
iDiamondSize = 2; // 2 halfpel = 1 full pixel! |
2118 |
|
|
2119 |
|
if (!(MotionFlags & PMV_HALFPELDIAMOND8)) |
2120 |
|
iDiamondSize *= 2; |
2121 |
|
|
2122 |
|
|
2123 |
/* |
/* |
2124 |
Step 5: Calculate SAD for motion vectors taken from left block, top, top-right, and Previous frame block. |
Step 5: Calculate SAD for motion vectors taken from left block, top, top-right, and Previous frame block. |
2125 |
Also calculate (0,0) but do not subtract offset. |
Also calculate (0,0) but do not subtract offset. |
2126 |
Let MinSAD be the smallest SAD up to this point. |
Let MinSAD be the smallest SAD up to this point. |
2127 |
If MV is (0,0) subtract offset. ******** WHAT'S THIS 'OFFSET' ??? *********** |
If MV is (0,0) subtract offset. |
2128 |
*/ |
*/ |
2129 |
|
|
2130 |
// the prediction might be even better than mv16 |
// the median prediction might be even better than mv16 |
|
CHECK_MV8_CANDIDATE(pmv[0].x,pmv[0].y); |
|
2131 |
|
|
2132 |
// (0,0) is always possible |
if (!MVequal(pmv[0], startMV)) |
2133 |
|
CHECK_MV8_CANDIDATE(center_x, center_y); |
2134 |
|
|
2135 |
|
// (0,0) if needed |
2136 |
|
if (!MVzero(pmv[0])) |
2137 |
|
if (!MVzero(startMV)) |
2138 |
CHECK_MV8_ZERO; |
CHECK_MV8_ZERO; |
2139 |
|
|
2140 |
// previous frame MV is always possible |
// previous frame MV if needed |
2141 |
CHECK_MV8_CANDIDATE(pMB->mvs[iSubBlock].x,pMB->mvs[iSubBlock].y); |
if (!MVzero(prevMB->mvs[iSubBlock])) |
2142 |
|
if (!MVequal(prevMB->mvs[iSubBlock], startMV)) |
2143 |
|
if (!MVequal(prevMB->mvs[iSubBlock], pmv[0])) |
2144 |
|
CHECK_MV8_CANDIDATE(prevMB->mvs[iSubBlock].x, |
2145 |
|
prevMB->mvs[iSubBlock].y); |
2146 |
|
|
2147 |
|
if ((iMinSAD <= threshA) || |
2148 |
|
(MVequal(*currMV, prevMB->mvs[iSubBlock]) && |
2149 |
|
((int32_t) iMinSAD < prevMB->sad8[iSubBlock]))) { |
2150 |
|
if (MotionFlags & PMV_QUICKSTOP16) |
2151 |
|
goto PMVfast8_Terminate_without_Refine; |
2152 |
|
if (MotionFlags & PMV_EARLYSTOP16) |
2153 |
|
goto PMVfast8_Terminate_with_Refine; |
2154 |
|
} |
2155 |
|
|
2156 |
// left neighbour, if allowed |
// left neighbour, if allowed and needed |
2157 |
if (psad[1] != MV_MAX_ERROR) |
if (!MVzero(pmv[1])) |
2158 |
{ |
if (!MVequal(pmv[1], startMV)) |
2159 |
if (!(MotionFlags & PMV_HALFPEL8 )) |
if (!MVequal(pmv[1], prevMB->mvs[iSubBlock])) |
2160 |
{ pmv[1].x = EVEN(pmv[1].x); |
if (!MVequal(pmv[1], pmv[0])) { |
2161 |
|
if (!(MotionFlags & PMV_HALFPEL8)) { |
2162 |
|
pmv[1].x = EVEN(pmv[1].x); |
2163 |
pmv[1].y = EVEN(pmv[1].y); |
pmv[1].y = EVEN(pmv[1].y); |
2164 |
} |
} |
2165 |
CHECK_MV8_CANDIDATE(pmv[1].x,pmv[1].y); |
CHECK_MV8_CANDIDATE(pmv[1].x,pmv[1].y); |
2166 |
} |
} |
2167 |
|
// top neighbour, if allowed and needed |
2168 |
// top neighbour, if allowed |
if (!MVzero(pmv[2])) |
2169 |
if (psad[2] != MV_MAX_ERROR) |
if (!MVequal(pmv[2], startMV)) |
2170 |
{ |
if (!MVequal(pmv[2], prevMB->mvs[iSubBlock])) |
2171 |
if (!(MotionFlags & PMV_HALFPEL8 )) |
if (!MVequal(pmv[2], pmv[0])) |
2172 |
{ pmv[2].x = EVEN(pmv[2].x); |
if (!MVequal(pmv[2], pmv[1])) { |
2173 |
|
if (!(MotionFlags & PMV_HALFPEL8)) { |
2174 |
|
pmv[2].x = EVEN(pmv[2].x); |
2175 |
pmv[2].y = EVEN(pmv[2].y); |
pmv[2].y = EVEN(pmv[2].y); |
2176 |
} |
} |
2177 |
CHECK_MV8_CANDIDATE(pmv[2].x,pmv[2].y); |
CHECK_MV8_CANDIDATE(pmv[2].x,pmv[2].y); |
2178 |
|
|
2179 |
// top right neighbour, if allowed |
// top right neighbour, if allowed and needed |
2180 |
if (psad[3] != MV_MAX_ERROR) |
if (!MVzero(pmv[3])) |
2181 |
{ |
if (!MVequal(pmv[3], startMV)) |
2182 |
if (!(MotionFlags & PMV_HALFPEL8 )) |
if (!MVequal(pmv[3], prevMB->mvs[iSubBlock])) |
2183 |
{ pmv[3].x = EVEN(pmv[3].x); |
if (!MVequal(pmv[3], pmv[0])) |
2184 |
|
if (!MVequal(pmv[3], pmv[1])) |
2185 |
|
if (!MVequal(pmv[3], pmv[2])) { |
2186 |
|
if (! |
2187 |
|
(MotionFlags & |
2188 |
|
PMV_HALFPEL8)) { |
2189 |
|
pmv[3].x = EVEN(pmv[3].x); |
2190 |
pmv[3].y = EVEN(pmv[3].y); |
pmv[3].y = EVEN(pmv[3].y); |
2191 |
} |
} |
2192 |
CHECK_MV8_CANDIDATE(pmv[3].x,pmv[3].y); |
CHECK_MV8_CANDIDATE(pmv[3].x, |
2193 |
|
pmv[3].y); |
2194 |
} |
} |
2195 |
} |
} |
2196 |
|
|
2197 |
|
if ((MVzero(*currMV)) && |
2198 |
|
(!MVzero(pmv[0])) /* && (iMinSAD <= iQuant * 96) */ ) |
2199 |
|
iMinSAD -= MV8_00_BIAS; |
2200 |
|
|
2201 |
|
|
2202 |
/* Step 6: If MinSAD <= thresa goto Step 10. |
/* Step 6: If MinSAD <= thresa goto Step 10. |
2203 |
If Motion Vector equal to Previous frame motion vector and MinSAD<PrevFrmSAD goto Step 10. |
If Motion Vector equal to Previous frame motion vector and MinSAD<PrevFrmSAD goto Step 10. |
2204 |
*/ |
*/ |
2205 |
|
|
2206 |
if ( (iMinSAD <= threshA) || ( MVequal(*currMV,pMB->mvs[iSubBlock]) && ((uint32_t)iMinSAD < prevMB->sad8[iSubBlock]) ) ) |
if ((iMinSAD <= threshA) || |
2207 |
{ |
(MVequal(*currMV, prevMB->mvs[iSubBlock]) && |
2208 |
|
((int32_t) iMinSAD < prevMB->sad8[iSubBlock]))) { |
2209 |
if (MotionFlags & PMV_QUICKSTOP16) |
if (MotionFlags & PMV_QUICKSTOP16) |
2210 |
goto PMVfast8_Terminate_without_Refine; |
goto PMVfast8_Terminate_without_Refine; |
2211 |
if (MotionFlags & PMV_EARLYSTOP16) |
if (MotionFlags & PMV_EARLYSTOP16) |
2225 |
backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
2226 |
|
|
2227 |
/* default: use best prediction as starting point for one call of PMVfast_MainSearch */ |
/* default: use best prediction as starting point for one call of PMVfast_MainSearch */ |
2228 |
iSAD = Diamond8_MainSearch(pRef, pRefH, pRefV, pRefHV, cur, |
iSAD = |
2229 |
x, y, |
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV->x, |
2230 |
currMV->x, currMV->y, iMinSAD, &newMV, |
currMV->y, iMinSAD, &newMV, center_x, center_y, min_dx, max_dx, |
2231 |
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, iQuant, iFound); |
min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, |
2232 |
|
iQuant, iFound); |
2233 |
|
|
2234 |
if (iSAD < iMinSAD) |
if (iSAD < iMinSAD) { |
|
{ |
|
2235 |
*currMV = newMV; |
*currMV = newMV; |
2236 |
iMinSAD = iSAD; |
iMinSAD = iSAD; |
2237 |
} |
} |
2238 |
|
|
2239 |
if (MotionFlags & PMV_EXTSEARCH8) |
if (MotionFlags & PMV_EXTSEARCH8) { |
|
{ |
|
2240 |
/* extended: search (up to) two more times: orignal prediction and (0,0) */ |
/* extended: search (up to) two more times: orignal prediction and (0,0) */ |
2241 |
|
|
2242 |
if (!(MVequal(pmv[0],backupMV)) ) |
if (!(MVequal(pmv[0], backupMV))) { |
2243 |
{ iSAD = Diamond16_MainSearch(pRef, pRefH, pRefV, pRefHV, cur, |
iSAD = |
2244 |
x, y, |
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, |
2245 |
pmv[0].x, pmv[0].y, iMinSAD, &newMV, |
pmv[0].x, pmv[0].y, iMinSAD, &newMV, center_x, center_y, |
2246 |
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, iQuant, iFound); |
min_dx, max_dx, min_dy, max_dy, iEdgedWidth, |
2247 |
|
iDiamondSize, iFcode, iQuant, iFound); |
2248 |
|
|
2249 |
if (iSAD < iMinSAD) |
if (iSAD < iMinSAD) { |
|
{ |
|
2250 |
*currMV = newMV; |
*currMV = newMV; |
2251 |
iMinSAD = iSAD; |
iMinSAD = iSAD; |
2252 |
} |
} |
2253 |
} |
} |
2254 |
|
|
2255 |
if ( (!(MVzero(pmv[0]))) && (!(MVzero(backupMV))) ) |
if ((!(MVzero(pmv[0]))) && (!(MVzero(backupMV)))) { |
2256 |
{ iSAD = Diamond16_MainSearch(pRef, pRefH, pRefV, pRefHV, cur, |
iSAD = |
2257 |
x, y, |
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, 0, 0, |
2258 |
0, 0, iMinSAD, &newMV, |
iMinSAD, &newMV, center_x, center_y, min_dx, max_dx, min_dy, |
2259 |
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, iQuant, iFound); |
max_dy, iEdgedWidth, iDiamondSize, iFcode, |
2260 |
|
iQuant, iFound); |
2261 |
|
|
2262 |
if (iSAD < iMinSAD) |
if (iSAD < iMinSAD) { |
|
{ |
|
2263 |
*currMV = newMV; |
*currMV = newMV; |
2264 |
iMinSAD = iSAD; |
iMinSAD = iSAD; |
2265 |
} |
} |
2272 |
|
|
2273 |
PMVfast8_Terminate_with_Refine: |
PMVfast8_Terminate_with_Refine: |
2274 |
if (MotionFlags & PMV_HALFPELREFINE8) // perform final half-pel step |
if (MotionFlags & PMV_HALFPELREFINE8) // perform final half-pel step |
2275 |
iMinSAD = Halfpel8_Refine( pRef, pRefH, pRefV, pRefHV, cur, |
iMinSAD = |
2276 |
x, y, |
Halfpel8_Refine(pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV, |
2277 |
currMV, iMinSAD, |
iMinSAD, center_x, center_y, min_dx, max_dx, min_dy, max_dy, |
2278 |
pmv, min_dx, max_dx, min_dy, max_dy, iFcode, iQuant, iEdgedWidth); |
iFcode, iQuant, iEdgedWidth); |
2279 |
|
|
2280 |
|
|
2281 |
PMVfast8_Terminate_without_Refine: |
PMVfast8_Terminate_without_Refine: |
2282 |
currPMV->x = currMV->x - pmv[0].x; |
currPMV->x = currMV->x - center_x; |
2283 |
currPMV->y = currMV->y - pmv[0].y; |
currPMV->y = currMV->y - center_y; |
2284 |
|
|
2285 |
return iMinSAD; |
return iMinSAD; |
2286 |
} |
} |
2287 |
|
|
2288 |
int32_t EPZSSearch16( |
int32_t |
2289 |
const uint8_t * const pRef, |
EPZSSearch16(const uint8_t * const pRef, |
2290 |
const uint8_t * const pRefH, |
const uint8_t * const pRefH, |
2291 |
const uint8_t * const pRefV, |
const uint8_t * const pRefV, |
2292 |
const uint8_t * const pRefHV, |
const uint8_t * const pRefHV, |
2293 |
const IMAGE * const pCur, |
const IMAGE * const pCur, |
2294 |
const int x, const int y, |
const int x, |
2295 |
|
const int y, |
2296 |
|
const int start_x, |
2297 |
|
const int start_y, |
2298 |
|
const int center_x, |
2299 |
|
const int center_y, |
2300 |
const uint32_t MotionFlags, |
const uint32_t MotionFlags, |
2301 |
const uint32_t iQuant, |
const uint32_t iQuant, |
2302 |
const uint32_t iFcode, |
const uint32_t iFcode, |
2327 |
int32_t psad[8]; |
int32_t psad[8]; |
2328 |
|
|
2329 |
static MACROBLOCK * oldMBs = NULL; |
static MACROBLOCK * oldMBs = NULL; |
2330 |
const MACROBLOCK * const pMB = pMBs + x + y * iWcount; |
|
2331 |
|
// const MACROBLOCK * const pMB = pMBs + x + y * iWcount; |
2332 |
const MACROBLOCK * const prevMB = prevMBs + x + y * iWcount; |
const MACROBLOCK * const prevMB = prevMBs + x + y * iWcount; |
2333 |
MACROBLOCK * oldMB = NULL; |
MACROBLOCK * oldMB = NULL; |
2334 |
|
|
2335 |
static int32_t thresh2; |
int32_t thresh2; |
2336 |
int32_t bPredEq; |
int32_t bPredEq; |
2337 |
int32_t iMinSAD,iSAD=9999; |
int32_t iMinSAD,iSAD=9999; |
2338 |
|
|
2339 |
MainSearch16FuncPtr EPZSMainSearchPtr; |
MainSearch16FuncPtr MainSearchPtr; |
2340 |
|
|
2341 |
if (oldMBs == NULL) |
if (oldMBs == NULL) { |
2342 |
{ oldMBs = (MACROBLOCK*) calloc(1,iWcount*iHcount*sizeof(MACROBLOCK)); |
oldMBs = (MACROBLOCK *) calloc(iWcount * iHcount, sizeof(MACROBLOCK)); |
2343 |
fprintf(stderr,"allocated %d bytes for oldMBs\n",iWcount*iHcount*sizeof(MACROBLOCK)); |
// fprintf(stderr,"allocated %d bytes for oldMBs\n",iWcount*iHcount*sizeof(MACROBLOCK)); |
2344 |
} |
} |
2345 |
oldMB = oldMBs + x + y * iWcount; |
oldMB = oldMBs + x + y * iWcount; |
2346 |
|
|
2347 |
/* Get maximum range */ |
/* Get maximum range */ |
2348 |
get_range(&min_dx, &max_dx, &min_dy, &max_dy, |
get_range(&min_dx, &max_dx, &min_dy, &max_dy, x, y, 16, iWidth, iHeight, |
2349 |
x, y, 16, iWidth, iHeight, iFcode); |
iFcode); |
|
|
|
|
/* we work with abs. MVs, not relative to prediction, so get_range is called relative to 0,0 */ |
|
2350 |
|
|
2351 |
if (!(MotionFlags & PMV_HALFPEL16 )) |
if (!(MotionFlags & PMV_HALFPEL16)) { |
2352 |
{ min_dx = EVEN(min_dx); |
min_dx = EVEN(min_dx); |
2353 |
max_dx = EVEN(max_dx); |
max_dx = EVEN(max_dx); |
2354 |
min_dy = EVEN(min_dy); |
min_dy = EVEN(min_dy); |
2355 |
max_dy = EVEN(max_dy); |
max_dy = EVEN(max_dy); |
2356 |
} /* because we might use something like IF (dx>max_dx) THEN dx=max_dx; */ |
} |
2357 |
|
/* because we might use something like IF (dx>max_dx) THEN dx=max_dx; */ |
2358 |
bPredEq = get_pmvdata(pMBs, x, y, iWcount, 0, pmv, psad); |
//bPredEq = get_pmvdata(pMBs, x, y, iWcount, 0, pmv, psad); |
2359 |
|
bPredEq = get_pmvdata2(pMBs, iWcount, 0, x, y, 0, pmv, psad); |
2360 |
|
|
2361 |
/* Step 4: Calculate SAD around the Median prediction. |
/* Step 4: Calculate SAD around the Median prediction. |
2362 |
MinSAD=SAD |
MinSAD=SAD |
2367 |
|
|
2368 |
// Prepare for main loop |
// Prepare for main loop |
2369 |
|
|
2370 |
*currMV=pmv[0]; /* current best := median prediction */ |
currMV->x = start_x; |
2371 |
if (!(MotionFlags & PMV_HALFPEL16)) |
currMV->y = start_y; |
2372 |
{ |
|
2373 |
|
if (!(MotionFlags & PMV_HALFPEL16)) { |
2374 |
currMV->x = EVEN(currMV->x); |
currMV->x = EVEN(currMV->x); |
2375 |
currMV->y = EVEN(currMV->y); |
currMV->y = EVEN(currMV->y); |
2376 |
} |
} |
2386 |
|
|
2387 |
/***************** This is predictor SET A: only median prediction ******************/ |
/***************** This is predictor SET A: only median prediction ******************/ |
2388 |
|
|
2389 |
iMinSAD = sad16( cur, |
iMinSAD = |
2390 |
get_ref_mv(pRef, pRefH, pRefV, pRefHV, x, y, 16, currMV, iEdgedWidth), |
sad16(cur, |
2391 |
iEdgedWidth, MV_MAX_ERROR); |
get_ref_mv(pRef, pRefH, pRefV, pRefHV, x, y, 16, currMV, |
2392 |
iMinSAD += calc_delta_16(currMV->x-pmv[0].x, currMV->y-pmv[0].y, (uint8_t)iFcode) * iQuant; |
iEdgedWidth), iEdgedWidth, MV_MAX_ERROR); |
2393 |
|
iMinSAD += |
2394 |
|
calc_delta_16(currMV->x - center_x, currMV->y - center_y, |
2395 |
|
(uint8_t) iFcode, iQuant); |
2396 |
|
|
2397 |
// thresh1 is fixed to 256 |
// thresh1 is fixed to 256 |
2398 |
if ( (iMinSAD < 256 ) || ( (MVequal(*currMV,pMB->mvs[0])) && ((uint32_t)iMinSAD < prevMB->sad16) ) ) |
if ((iMinSAD < 256) || |
2399 |
{ |
((MVequal(*currMV, prevMB->mvs[0])) && |
2400 |
|
((int32_t) iMinSAD < prevMB->sad16))) { |
2401 |
if (MotionFlags & PMV_QUICKSTOP16) |
if (MotionFlags & PMV_QUICKSTOP16) |
2402 |
goto EPZS16_Terminate_without_Refine; |
goto EPZS16_Terminate_without_Refine; |
2403 |
if (MotionFlags & PMV_EARLYSTOP16) |
if (MotionFlags & PMV_EARLYSTOP16) |
2407 |
/************** This is predictor SET B: (0,0), prev.frame MV, neighbours **************/ |
/************** This is predictor SET B: (0,0), prev.frame MV, neighbours **************/ |
2408 |
|
|
2409 |
// previous frame MV |
// previous frame MV |
2410 |
CHECK_MV16_CANDIDATE(pMB->mvs[0].x,pMB->mvs[0].y); |
CHECK_MV16_CANDIDATE(prevMB->mvs[0].x, prevMB->mvs[0].y); |
2411 |
|
|
2412 |
// set threshhold based on Min of Prediction and SAD of collocated block |
// set threshhold based on Min of Prediction and SAD of collocated block |
2413 |
// CHECK_MV16 always uses iSAD for the SAD of last vector to check, so now iSAD is what we want |
// CHECK_MV16 always uses iSAD for the SAD of last vector to check, so now iSAD is what we want |
2414 |
|
|
2415 |
if ((x==0) && (y==0) ) |
if ((x == 0) && (y == 0)) { |
|
{ |
|
2416 |
thresh2 = 512; |
thresh2 = 512; |
2417 |
} |
} else { |
|
else |
|
|
{ |
|
2418 |
/* T_k = 1.2 * MIN(SAD_top,SAD_left,SAD_topleft,SAD_coll) +128; [Tourapis, 2002] */ |
/* T_k = 1.2 * MIN(SAD_top,SAD_left,SAD_topleft,SAD_coll) +128; [Tourapis, 2002] */ |
2419 |
|
|
2420 |
thresh2 = MIN(psad[0],iSAD)*6/5 + 128; |
thresh2 = MIN(psad[0],iSAD)*6/5 + 128; |
2426 |
|
|
2427 |
|
|
2428 |
// left neighbour, if allowed |
// left neighbour, if allowed |
2429 |
if (x != 0) |
if (x != 0) { |
2430 |
{ |
if (!(MotionFlags & PMV_HALFPEL16)) { |
2431 |
if (!(MotionFlags & PMV_HALFPEL16 )) |
pmv[1].x = EVEN(pmv[1].x); |
|
{ pmv[1].x = EVEN(pmv[1].x); |
|
2432 |
pmv[1].y = EVEN(pmv[1].y); |
pmv[1].y = EVEN(pmv[1].y); |
2433 |
} |
} |
2434 |
CHECK_MV16_CANDIDATE(pmv[1].x,pmv[1].y); |
CHECK_MV16_CANDIDATE(pmv[1].x,pmv[1].y); |
2435 |
} |
} |
|
|
|
2436 |
// top neighbour, if allowed |
// top neighbour, if allowed |
2437 |
if (y != 0) |
if (y != 0) { |
2438 |
{ |
if (!(MotionFlags & PMV_HALFPEL16)) { |
2439 |
if (!(MotionFlags & PMV_HALFPEL16 )) |
pmv[2].x = EVEN(pmv[2].x); |
|
{ pmv[2].x = EVEN(pmv[2].x); |
|
2440 |
pmv[2].y = EVEN(pmv[2].y); |
pmv[2].y = EVEN(pmv[2].y); |
2441 |
} |
} |
2442 |
CHECK_MV16_CANDIDATE(pmv[2].x,pmv[2].y); |
CHECK_MV16_CANDIDATE(pmv[2].x,pmv[2].y); |
2443 |
|
|
2444 |
// top right neighbour, if allowed |
// top right neighbour, if allowed |
2445 |
if ((uint32_t)x != (iWcount-1)) |
if ((uint32_t) x != (iWcount - 1)) { |
2446 |
{ |
if (!(MotionFlags & PMV_HALFPEL16)) { |
2447 |
if (!(MotionFlags & PMV_HALFPEL16 )) |
pmv[3].x = EVEN(pmv[3].x); |
|
{ pmv[3].x = EVEN(pmv[3].x); |
|
2448 |
pmv[3].y = EVEN(pmv[3].y); |
pmv[3].y = EVEN(pmv[3].y); |
2449 |
} |
} |
2450 |
CHECK_MV16_CANDIDATE(pmv[3].x,pmv[3].y); |
CHECK_MV16_CANDIDATE(pmv[3].x,pmv[3].y); |
2456 |
*/ |
*/ |
2457 |
|
|
2458 |
if ( (iMinSAD <= thresh2) |
if ( (iMinSAD <= thresh2) |
2459 |
|| ( MVequal(*currMV,pMB->mvs[0]) && ((uint32_t)iMinSAD <= prevMB->sad16) ) ) |
|| (MVequal(*currMV, prevMB->mvs[0]) && |
2460 |
{ |
((int32_t) iMinSAD <= prevMB->sad16))) { |
2461 |
if (MotionFlags & PMV_QUICKSTOP16) |
if (MotionFlags & PMV_QUICKSTOP16) |
2462 |
goto EPZS16_Terminate_without_Refine; |
goto EPZS16_Terminate_without_Refine; |
2463 |
if (MotionFlags & PMV_EARLYSTOP16) |
if (MotionFlags & PMV_EARLYSTOP16) |
2466 |
|
|
2467 |
/***** predictor SET C: acceleration MV (new!), neighbours in prev. frame(new!) ****/ |
/***** predictor SET C: acceleration MV (new!), neighbours in prev. frame(new!) ****/ |
2468 |
|
|
2469 |
backupMV = pMB->mvs[0]; // last MV |
backupMV = prevMB->mvs[0]; // collocated MV |
2470 |
backupMV.x += (pMB->mvs[0].x - oldMB->mvs[0].x ); // acceleration X |
backupMV.x += (prevMB->mvs[0].x - oldMB->mvs[0].x); // acceleration X |
2471 |
backupMV.y += (pMB->mvs[0].y - oldMB->mvs[0].y ); // acceleration Y |
backupMV.y += (prevMB->mvs[0].y - oldMB->mvs[0].y); // acceleration Y |
2472 |
|
|
2473 |
|
CHECK_MV16_CANDIDATE(backupMV.x, backupMV.y); |
2474 |
|
|
2475 |
|
// left neighbour |
2476 |
|
if (x != 0) |
2477 |
|
CHECK_MV16_CANDIDATE((prevMB - 1)->mvs[0].x, (prevMB - 1)->mvs[0].y); |
2478 |
|
|
2479 |
|
// top neighbour |
2480 |
|
if (y != 0) |
2481 |
|
CHECK_MV16_CANDIDATE((prevMB - iWcount)->mvs[0].x, |
2482 |
|
(prevMB - iWcount)->mvs[0].y); |
2483 |
|
|
2484 |
|
// right neighbour, if allowed (this value is not written yet, so take it from pMB->mvs |
2485 |
|
|
2486 |
|
if ((uint32_t) x != iWcount - 1) |
2487 |
|
CHECK_MV16_CANDIDATE((prevMB + 1)->mvs[0].x, (prevMB + 1)->mvs[0].y); |
2488 |
|
|
2489 |
|
// bottom neighbour, dito |
2490 |
|
if ((uint32_t) y != iHcount - 1) |
2491 |
|
CHECK_MV16_CANDIDATE((prevMB + iWcount)->mvs[0].x, |
2492 |
|
(prevMB + iWcount)->mvs[0].y); |
2493 |
|
|
2494 |
|
/* Terminate if MinSAD <= T_3 (here T_3 = T_2) */ |
2495 |
|
if (iMinSAD <= thresh2) { |
2496 |
|
if (MotionFlags & PMV_QUICKSTOP16) |
2497 |
|
goto EPZS16_Terminate_without_Refine; |
2498 |
|
if (MotionFlags & PMV_EARLYSTOP16) |
2499 |
|
goto EPZS16_Terminate_with_Refine; |
2500 |
|
} |
2501 |
|
|
2502 |
|
/************ (if Diamond Search) **************/ |
2503 |
|
|
2504 |
|
backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
2505 |
|
|
2506 |
|
if (MotionFlags & PMV_USESQUARES16) |
2507 |
|
MainSearchPtr = Square16_MainSearch; |
2508 |
|
else |
2509 |
|
if (MotionFlags & PMV_ADVANCEDDIAMOND16) |
2510 |
|
MainSearchPtr = AdvDiamond16_MainSearch; |
2511 |
|
else |
2512 |
|
MainSearchPtr = Diamond16_MainSearch; |
2513 |
|
|
2514 |
|
/* default: use best prediction as starting point for one call of PMVfast_MainSearch */ |
2515 |
|
|
2516 |
|
iSAD = |
2517 |
|
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV->x, |
2518 |
|
currMV->y, iMinSAD, &newMV, center_x, center_y, min_dx, max_dx, |
2519 |
|
min_dy, max_dy, iEdgedWidth, 2, iFcode, iQuant, 0); |
2520 |
|
|
2521 |
|
if (iSAD < iMinSAD) { |
2522 |
|
*currMV = newMV; |
2523 |
|
iMinSAD = iSAD; |
2524 |
|
} |
2525 |
|
|
2526 |
|
|
2527 |
|
if (MotionFlags & PMV_EXTSEARCH16) { |
2528 |
|
/* extended mode: search (up to) two more times: orignal prediction and (0,0) */ |
2529 |
|
|
2530 |
|
if (!(MVequal(pmv[0], backupMV))) { |
2531 |
|
iSAD = |
2532 |
|
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, |
2533 |
|
pmv[0].x, pmv[0].y, iMinSAD, &newMV, center_x, center_y, |
2534 |
|
min_dx, max_dx, min_dy, max_dy, iEdgedWidth, |
2535 |
|
2, iFcode, iQuant, 0); |
2536 |
|
} |
2537 |
|
|
2538 |
|
if (iSAD < iMinSAD) { |
2539 |
|
*currMV = newMV; |
2540 |
|
iMinSAD = iSAD; |
2541 |
|
} |
2542 |
|
|
2543 |
|
if ((!(MVzero(pmv[0]))) && (!(MVzero(backupMV)))) { |
2544 |
|
iSAD = |
2545 |
|
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, 0, 0, |
2546 |
|
iMinSAD, &newMV, center_x, center_y, min_dx, max_dx, min_dy, |
2547 |
|
max_dy, iEdgedWidth, 2, iFcode, iQuant, 0); |
2548 |
|
|
2549 |
|
if (iSAD < iMinSAD) { |
2550 |
|
*currMV = newMV; |
2551 |
|
iMinSAD = iSAD; |
2552 |
|
} |
2553 |
|
} |
2554 |
|
} |
2555 |
|
|
2556 |
|
/*************** Choose best MV found **************/ |
2557 |
|
|
2558 |
|
EPZS16_Terminate_with_Refine: |
2559 |
|
if (MotionFlags & PMV_HALFPELREFINE16) // perform final half-pel step |
2560 |
|
iMinSAD = |
2561 |
|
Halfpel16_Refine(pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV, |
2562 |
|
iMinSAD, center_x, center_y, min_dx, max_dx, min_dy, max_dy, |
2563 |
|
iFcode, iQuant, iEdgedWidth); |
2564 |
|
|
2565 |
|
EPZS16_Terminate_without_Refine: |
2566 |
|
|
2567 |
|
*oldMB = *prevMB; |
2568 |
|
|
2569 |
|
currPMV->x = currMV->x - center_x; |
2570 |
|
currPMV->y = currMV->y - center_y; |
2571 |
|
return iMinSAD; |
2572 |
|
} |
2573 |
|
|
2574 |
|
|
2575 |
|
int32_t |
2576 |
|
EPZSSearch8(const uint8_t * const pRef, |
2577 |
|
const uint8_t * const pRefH, |
2578 |
|
const uint8_t * const pRefV, |
2579 |
|
const uint8_t * const pRefHV, |
2580 |
|
const IMAGE * const pCur, |
2581 |
|
const int x, |
2582 |
|
const int y, |
2583 |
|
const int start_x, |
2584 |
|
const int start_y, |
2585 |
|
const int center_x, |
2586 |
|
const int center_y, |
2587 |
|
const uint32_t MotionFlags, |
2588 |
|
const uint32_t iQuant, |
2589 |
|
const uint32_t iFcode, |
2590 |
|
const MBParam * const pParam, |
2591 |
|
const MACROBLOCK * const pMBs, |
2592 |
|
const MACROBLOCK * const prevMBs, |
2593 |
|
VECTOR * const currMV, |
2594 |
|
VECTOR * const currPMV) |
2595 |
|
{ |
2596 |
|
/* Please not that EPZS might not be a good choice for 8x8-block motion search ! */ |
2597 |
|
|
2598 |
|
const uint32_t iWcount = pParam->mb_width; |
2599 |
|
const int32_t iWidth = pParam->width; |
2600 |
|
const int32_t iHeight = pParam->height; |
2601 |
|
const int32_t iEdgedWidth = pParam->edged_width; |
2602 |
|
|
2603 |
|
const uint8_t *cur = pCur->y + x * 8 + y * 8 * iEdgedWidth; |
2604 |
|
|
2605 |
|
int32_t iDiamondSize = 1; |
2606 |
|
|
2607 |
|
int32_t min_dx; |
2608 |
|
int32_t max_dx; |
2609 |
|
int32_t min_dy; |
2610 |
|
int32_t max_dy; |
2611 |
|
|
2612 |
|
VECTOR newMV; |
2613 |
|
VECTOR backupMV; |
2614 |
|
|
2615 |
|
VECTOR pmv[4]; |
2616 |
|
int32_t psad[8]; |
2617 |
|
|
2618 |
|
const int32_t iSubBlock = ((y & 1) << 1) + (x & 1); |
2619 |
|
|
2620 |
|
// const MACROBLOCK * const pMB = pMBs + (x>>1) + (y>>1) * iWcount; |
2621 |
|
const MACROBLOCK *const prevMB = prevMBs + (x >> 1) + (y >> 1) * iWcount; |
2622 |
|
|
2623 |
|
int32_t bPredEq; |
2624 |
|
int32_t iMinSAD, iSAD = 9999; |
2625 |
|
|
2626 |
|
MainSearch8FuncPtr MainSearchPtr; |
2627 |
|
|
2628 |
|
/* Get maximum range */ |
2629 |
|
get_range(&min_dx, &max_dx, &min_dy, &max_dy, x, y, 8, iWidth, iHeight, |
2630 |
|
iFcode); |
2631 |
|
|
2632 |
|
/* we work with abs. MVs, not relative to prediction, so get_range is called relative to 0,0 */ |
2633 |
|
|
2634 |
|
if (!(MotionFlags & PMV_HALFPEL8)) { |
2635 |
|
min_dx = EVEN(min_dx); |
2636 |
|
max_dx = EVEN(max_dx); |
2637 |
|
min_dy = EVEN(min_dy); |
2638 |
|
max_dy = EVEN(max_dy); |
2639 |
|
} |
2640 |
|
/* because we might use something like IF (dx>max_dx) THEN dx=max_dx; */ |
2641 |
|
//bPredEq = get_pmvdata(pMBs, x >> 1, y >> 1, iWcount, iSubBlock, pmv[0].x, pmv[0].y, psad); |
2642 |
|
bPredEq = get_pmvdata2(pMBs, iWcount, 0, x >> 1, y >> 1, iSubBlock, pmv, psad); |
2643 |
|
|
2644 |
|
|
2645 |
|
/* Step 4: Calculate SAD around the Median prediction. |
2646 |
|
MinSAD=SAD |
2647 |
|
If Motion Vector equal to Previous frame motion vector |
2648 |
|
and MinSAD<PrevFrmSAD goto Step 10. |
2649 |
|
If SAD<=256 goto Step 10. |
2650 |
|
*/ |
2651 |
|
|
2652 |
|
// Prepare for main loop |
2653 |
|
|
2654 |
|
|
2655 |
|
if (!(MotionFlags & PMV_HALFPEL8)) { |
2656 |
|
currMV->x = EVEN(currMV->x); |
2657 |
|
currMV->y = EVEN(currMV->y); |
2658 |
|
} |
2659 |
|
|
2660 |
|
if (currMV->x > max_dx) |
2661 |
|
currMV->x = max_dx; |
2662 |
|
if (currMV->x < min_dx) |
2663 |
|
currMV->x = min_dx; |
2664 |
|
if (currMV->y > max_dy) |
2665 |
|
currMV->y = max_dy; |
2666 |
|
if (currMV->y < min_dy) |
2667 |
|
currMV->y = min_dy; |
2668 |
|
|
2669 |
|
/***************** This is predictor SET A: only median prediction ******************/ |
2670 |
|
|
2671 |
|
|
2672 |
|
iMinSAD = |
2673 |
|
sad8(cur, |
2674 |
|
get_ref_mv(pRef, pRefH, pRefV, pRefHV, x, y, 8, currMV, |
2675 |
|
iEdgedWidth), iEdgedWidth); |
2676 |
|
iMinSAD += |
2677 |
|
calc_delta_8(currMV->x - center_x, currMV->y - center_y, |
2678 |
|
(uint8_t) iFcode, iQuant); |
2679 |
|
|
2680 |
|
|
2681 |
|
// thresh1 is fixed to 256 |
2682 |
|
if (iMinSAD < 256 / 4) { |
2683 |
|
if (MotionFlags & PMV_QUICKSTOP8) |
2684 |
|
goto EPZS8_Terminate_without_Refine; |
2685 |
|
if (MotionFlags & PMV_EARLYSTOP8) |
2686 |
|
goto EPZS8_Terminate_with_Refine; |
2687 |
|
} |
2688 |
|
|
2689 |
|
/************** This is predictor SET B: (0,0), prev.frame MV, neighbours **************/ |
2690 |
|
|
2691 |
|
|
2692 |
|
// MV=(0,0) is often a good choice |
2693 |
|
CHECK_MV8_ZERO; |
2694 |
|
|
2695 |
|
// previous frame MV |
2696 |
|
CHECK_MV8_CANDIDATE(prevMB->mvs[iSubBlock].x, prevMB->mvs[iSubBlock].y); |
2697 |
|
|
2698 |
|
// left neighbour, if allowed |
2699 |
|
if (psad[1] != MV_MAX_ERROR) { |
2700 |
|
if (!(MotionFlags & PMV_HALFPEL8)) { |
2701 |
|
pmv[1].x = EVEN(pmv[1].x); |
2702 |
|
pmv[1].y = EVEN(pmv[1].y); |
2703 |
|
} |
2704 |
|
CHECK_MV8_CANDIDATE(pmv[1].x, pmv[1].y); |
2705 |
|
} |
2706 |
|
// top neighbour, if allowed |
2707 |
|
if (psad[2] != MV_MAX_ERROR) { |
2708 |
|
if (!(MotionFlags & PMV_HALFPEL8)) { |
2709 |
|
pmv[2].x = EVEN(pmv[2].x); |
2710 |
|
pmv[2].y = EVEN(pmv[2].y); |
2711 |
|
} |
2712 |
|
CHECK_MV8_CANDIDATE(pmv[2].x, pmv[2].y); |
2713 |
|
|
2714 |
|
// top right neighbour, if allowed |
2715 |
|
if (psad[3] != MV_MAX_ERROR) { |
2716 |
|
if (!(MotionFlags & PMV_HALFPEL8)) { |
2717 |
|
pmv[3].x = EVEN(pmv[3].x); |
2718 |
|
pmv[3].y = EVEN(pmv[3].y); |
2719 |
|
} |
2720 |
|
CHECK_MV8_CANDIDATE(pmv[3].x, pmv[3].y); |
2721 |
|
} |
2722 |
|
} |
2723 |
|
|
2724 |
|
/* // this bias is zero anyway, at the moment! |
2725 |
|
|
2726 |
CHECK_MV16_CANDIDATE(backupMV.x,backupMV.y); |
if ( (MVzero(*currMV)) && (!MVzero(pmv[0])) ) // && (iMinSAD <= iQuant * 96) |
2727 |
|
iMinSAD -= MV8_00_BIAS; |
2728 |
|
|
2729 |
// left neighbour |
*/ |
|
if (x != 0) |
|
|
CHECK_MV16_CANDIDATE((oldMB-1)->mvs[0].x,oldMB->mvs[0].y); |
|
2730 |
|
|
2731 |
// top neighbour |
/* Terminate if MinSAD <= T_2 |
2732 |
if (y != 0) |
Terminate if MV[t] == MV[t-1] and MinSAD[t] <= MinSAD[t-1] |
2733 |
CHECK_MV16_CANDIDATE((oldMB-iWcount)->mvs[0].x,oldMB->mvs[0].y); |
*/ |
2734 |
|
|
2735 |
// right neighbour, if allowed (this value is not written yet, so take it from pMB->mvs |
if (iMinSAD < 512 / 4) { /* T_2 == 512/4 hardcoded */ |
2736 |
|
if (MotionFlags & PMV_QUICKSTOP8) |
2737 |
|
goto EPZS8_Terminate_without_Refine; |
2738 |
|
if (MotionFlags & PMV_EARLYSTOP8) |
2739 |
|
goto EPZS8_Terminate_with_Refine; |
2740 |
|
} |
2741 |
|
|
2742 |
if ((uint32_t)x != iWcount-1) |
/************ (Diamond Search) **************/ |
|
CHECK_MV16_CANDIDATE((pMB+1)->mvs[0].x,oldMB->mvs[0].y); |
|
2743 |
|
|
2744 |
// bottom neighbour, dito |
backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
|
if ((uint32_t)y != iHcount-1) |
|
|
CHECK_MV16_CANDIDATE((pMB+iWcount)->mvs[0].x,oldMB->mvs[0].y); |
|
2745 |
|
|
2746 |
/* Terminate if MinSAD <= T_3 (here T_3 = T_2) */ |
if (!(MotionFlags & PMV_HALFPELDIAMOND8)) |
2747 |
if (iMinSAD <= thresh2) |
iDiamondSize *= 2; |
|
{ |
|
|
if (MotionFlags & PMV_QUICKSTOP16) |
|
|
goto EPZS16_Terminate_without_Refine; |
|
|
if (MotionFlags & PMV_EARLYSTOP16) |
|
|
goto EPZS16_Terminate_with_Refine; |
|
|
} |
|
2748 |
|
|
2749 |
/************ (if Diamond Search) **************/ |
/* default: use best prediction as starting point for one call of EPZS_MainSearch */ |
2750 |
|
|
2751 |
backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
// there is no EPZS^2 for inter4v at the moment |
2752 |
|
|
2753 |
/* default: use best prediction as starting point for one call of PMVfast_MainSearch */ |
if (MotionFlags & PMV_USESQUARES8) |
2754 |
|
MainSearchPtr = Square8_MainSearch; |
2755 |
|
else |
2756 |
|
|
2757 |
if (MotionFlags & PMV_USESQUARES16) |
if (MotionFlags & PMV_ADVANCEDDIAMOND8) |
2758 |
EPZSMainSearchPtr = Square16_MainSearch; |
MainSearchPtr = AdvDiamond8_MainSearch; |
2759 |
else |
else |
2760 |
EPZSMainSearchPtr = Diamond16_MainSearch; |
MainSearchPtr = Diamond8_MainSearch; |
2761 |
|
|
2762 |
iSAD = (*EPZSMainSearchPtr)(pRef, pRefH, pRefV, pRefHV, cur, |
iSAD = |
2763 |
x, y, |
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV->x, |
2764 |
currMV->x, currMV->y, iMinSAD, &newMV, pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, |
currMV->y, iMinSAD, &newMV, center_x, center_y, min_dx, max_dx, |
2765 |
2, iFcode, iQuant, 0); |
min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, |
2766 |
|
iQuant, 0); |
2767 |
|
|
2768 |
if (iSAD < iMinSAD) |
|
2769 |
{ |
if (iSAD < iMinSAD) { |
2770 |
*currMV = newMV; |
*currMV = newMV; |
2771 |
iMinSAD = iSAD; |
iMinSAD = iSAD; |
2772 |
} |
} |
2773 |
|
|
2774 |
|
if (MotionFlags & PMV_EXTSEARCH8) { |
|
if (MotionFlags & PMV_EXTSEARCH16) |
|
|
{ |
|
2775 |
/* extended mode: search (up to) two more times: orignal prediction and (0,0) */ |
/* extended mode: search (up to) two more times: orignal prediction and (0,0) */ |
2776 |
|
|
2777 |
if (!(MVequal(pmv[0],backupMV)) ) |
if (!(MVequal(pmv[0], backupMV))) { |
2778 |
{ |
iSAD = |
2779 |
iSAD = (*EPZSMainSearchPtr)(pRef, pRefH, pRefV, pRefHV, cur, |
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, |
2780 |
x, y, |
pmv[0].x, pmv[0].y, iMinSAD, &newMV, center_x, center_y, |
2781 |
pmv[0].x, pmv[0].y, iMinSAD, &newMV, |
min_dx, max_dx, min_dy, max_dy, iEdgedWidth, |
2782 |
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, 2, iFcode, iQuant, 0); |
iDiamondSize, iFcode, iQuant, 0); |
|
} |
|
2783 |
|
|
2784 |
if (iSAD < iMinSAD) |
if (iSAD < iMinSAD) { |
|
{ |
|
2785 |
*currMV = newMV; |
*currMV = newMV; |
2786 |
iMinSAD = iSAD; |
iMinSAD = iSAD; |
2787 |
} |
} |
2788 |
|
} |
2789 |
|
|
2790 |
if ( (!(MVzero(pmv[0]))) && (!(MVzero(backupMV))) ) |
if ((!(MVzero(pmv[0]))) && (!(MVzero(backupMV)))) { |
2791 |
{ |
iSAD = |
2792 |
iSAD = (*EPZSMainSearchPtr)(pRef, pRefH, pRefV, pRefHV, cur, |
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, 0, 0, |
2793 |
x, y, |
iMinSAD, &newMV, center_x, center_y, min_dx, max_dx, min_dy, |
2794 |
0, 0, iMinSAD, &newMV, |
max_dy, iEdgedWidth, iDiamondSize, iFcode, |
2795 |
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, /*iDiamondSize*/ 2, iFcode, iQuant, 0); |
iQuant, 0); |
2796 |
|
|
2797 |
if (iSAD < iMinSAD) |
if (iSAD < iMinSAD) { |
|
{ |
|
2798 |
*currMV = newMV; |
*currMV = newMV; |
2799 |
iMinSAD = iSAD; |
iMinSAD = iSAD; |
2800 |
} |
} |
2803 |
|
|
2804 |
/*************** Choose best MV found **************/ |
/*************** Choose best MV found **************/ |
2805 |
|
|
2806 |
EPZS16_Terminate_with_Refine: |
EPZS8_Terminate_with_Refine: |
2807 |
if (MotionFlags & PMV_HALFPELREFINE16) // perform final half-pel step |
if (MotionFlags & PMV_HALFPELREFINE8) // perform final half-pel step |
2808 |
iMinSAD = Halfpel16_Refine( pRef, pRefH, pRefV, pRefHV, cur, |
iMinSAD = |
2809 |
x, y, |
Halfpel8_Refine(pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV, |
2810 |
currMV, iMinSAD, |
iMinSAD, center_x, center_y, min_dx, max_dx, min_dy, max_dy, |
2811 |
pmv, min_dx, max_dx, min_dy, max_dy, iFcode, iQuant, iEdgedWidth); |
iFcode, iQuant, iEdgedWidth); |
|
|
|
|
EPZS16_Terminate_without_Refine: |
|
2812 |
|
|
2813 |
*oldMB = *pMB; |
EPZS8_Terminate_without_Refine: |
2814 |
|
|
2815 |
currPMV->x = currMV->x - pmv[0].x; |
currPMV->x = currMV->x - center_x; |
2816 |
currPMV->y = currMV->y - pmv[0].y; |
currPMV->y = currMV->y - center_y; |
2817 |
return iMinSAD; |
return iMinSAD; |
2818 |
} |
} |
2819 |
|
|
2820 |
|
|
2821 |
int32_t EPZSSearch8( |
|
2822 |
const uint8_t * const pRef, |
int32_t |
2823 |
|
PMVfastIntSearch16(const uint8_t * const pRef, |
2824 |
const uint8_t * const pRefH, |
const uint8_t * const pRefH, |
2825 |
const uint8_t * const pRefV, |
const uint8_t * const pRefV, |
2826 |
const uint8_t * const pRefHV, |
const uint8_t * const pRefHV, |
2827 |
const IMAGE * const pCur, |
const IMAGE * const pCur, |
2828 |
const int x, const int y, |
const int x, |
2829 |
const int start_x, const int start_y, |
const int y, |
2830 |
|
const int start_x, /* start should be most likely vector */ |
2831 |
|
const int start_y, |
2832 |
|
const int center_x, /* center is from where length of MVs is measured */ |
2833 |
|
const int center_y, |
2834 |
const uint32_t MotionFlags, |
const uint32_t MotionFlags, |
2835 |
const uint32_t iQuant, |
const uint32_t iQuant, |
2836 |
const uint32_t iFcode, |
const uint32_t iFcode, |
2845 |
const int32_t iHeight = pParam->height; |
const int32_t iHeight = pParam->height; |
2846 |
const int32_t iEdgedWidth = pParam->edged_width; |
const int32_t iEdgedWidth = pParam->edged_width; |
2847 |
|
|
2848 |
const uint8_t * cur = pCur->y + x*8 + y*8*iEdgedWidth; |
const uint8_t *cur = pCur->y + x * 16 + y * 16 * iEdgedWidth; |
2849 |
|
const VECTOR zeroMV = { 0, 0 }; |
2850 |
|
|
2851 |
int32_t iDiamondSize=1; |
int32_t iDiamondSize; |
2852 |
|
|
2853 |
int32_t min_dx; |
int32_t min_dx; |
2854 |
int32_t max_dx; |
int32_t max_dx; |
2855 |
int32_t min_dy; |
int32_t min_dy; |
2856 |
int32_t max_dy; |
int32_t max_dy; |
2857 |
|
|
2858 |
|
int32_t iFound; |
2859 |
|
|
2860 |
VECTOR newMV; |
VECTOR newMV; |
2861 |
VECTOR backupMV; |
VECTOR backupMV; |
2862 |
|
|
2863 |
VECTOR pmv[4]; |
VECTOR pmv[4]; |
2864 |
int32_t psad[8]; |
int32_t psad[4]; |
2865 |
|
|
2866 |
const int32_t iSubBlock = ((y&1)<<1) + (x&1); |
MainSearch16FuncPtr MainSearchPtr; |
2867 |
|
|
2868 |
const MACROBLOCK * const pMB = pMBs + (x>>1) + (y>>1) * iWcount; |
const MACROBLOCK *const prevMB = prevMBs + x + y * iWcount; |
2869 |
const MACROBLOCK * const prevMB = prevMBs + (x>>1) + (y>>1) * iWcount; |
MACROBLOCK *const pMB = pMBs + x + y * iWcount; |
2870 |
|
|
2871 |
|
int32_t threshA, threshB; |
2872 |
int32_t bPredEq; |
int32_t bPredEq; |
2873 |
int32_t iMinSAD,iSAD=9999; |
int32_t iMinSAD, iSAD; |
2874 |
|
|
|
MainSearch8FuncPtr EPZSMainSearchPtr; |
|
2875 |
|
|
2876 |
/* Get maximum range */ |
/* Get maximum range */ |
2877 |
get_range(&min_dx, &max_dx, &min_dy, &max_dy, |
get_range(&min_dx, &max_dx, &min_dy, &max_dy, x, y, 16, iWidth, iHeight, |
2878 |
x, y, 8, iWidth, iHeight, iFcode); |
iFcode); |
2879 |
|
|
2880 |
/* we work with abs. MVs, not relative to prediction, so get_range is called relative to 0,0 */ |
/* we work with abs. MVs, not relative to prediction, so get_range is called relative to 0,0 */ |
2881 |
|
|
2882 |
if (!(MotionFlags & PMV_HALFPEL8 )) |
if ((x == 0) && (y == 0)) { |
2883 |
{ min_dx = EVEN(min_dx); |
threshA = 512; |
2884 |
max_dx = EVEN(max_dx); |
threshB = 1024; |
2885 |
min_dy = EVEN(min_dy); |
|
2886 |
max_dy = EVEN(max_dy); |
bPredEq = 0; |
2887 |
} /* because we might use something like IF (dx>max_dx) THEN dx=max_dx; */ |
psad[0] = psad[1] = psad[2] = psad[3] = 0; |
2888 |
|
*currMV = pmv[0] = pmv[1] = pmv[2] = pmv[3] = zeroMV; |
2889 |
|
|
2890 |
|
} else { |
2891 |
|
threshA = psad[0]; |
2892 |
|
threshB = threshA + 256; |
2893 |
|
if (threshA < 512) |
2894 |
|
threshA = 512; |
2895 |
|
if (threshA > 1024) |
2896 |
|
threshA = 1024; |
2897 |
|
if (threshB > 1792) |
2898 |
|
threshB = 1792; |
2899 |
|
|
2900 |
bPredEq = get_pmvdata(pMBs, x>>1, y>>1, iWcount, iSubBlock, pmv, psad); |
bPredEq = get_ipmvdata(pMBs, iWcount, 0, x, y, 0, pmv, psad); |
2901 |
|
*currMV = pmv[0]; /* current best := prediction */ |
2902 |
|
} |
2903 |
|
|
2904 |
|
iFound = 0; |
2905 |
|
|
2906 |
/* Step 4: Calculate SAD around the Median prediction. |
/* Step 4: Calculate SAD around the Median prediction. |
2907 |
MinSAD=SAD |
MinSAD=SAD |
2910 |
If SAD<=256 goto Step 10. |
If SAD<=256 goto Step 10. |
2911 |
*/ |
*/ |
2912 |
|
|
2913 |
// Prepare for main loop |
if (currMV->x > max_dx) { |
2914 |
|
currMV->x = EVEN(max_dx); |
2915 |
|
} |
2916 |
|
if (currMV->x < min_dx) { |
2917 |
|
currMV->x = EVEN(min_dx); |
2918 |
|
} |
2919 |
|
if (currMV->y > max_dy) { |
2920 |
|
currMV->y = EVEN(max_dy); |
2921 |
|
} |
2922 |
|
if (currMV->y < min_dy) { |
2923 |
|
currMV->y = EVEN(min_dy); |
2924 |
|
} |
2925 |
|
|
2926 |
|
iMinSAD = |
2927 |
|
sad16(cur, |
2928 |
|
get_iref_mv(pRef, x, y, 16, currMV, |
2929 |
|
iEdgedWidth), iEdgedWidth, MV_MAX_ERROR); |
2930 |
|
iMinSAD += |
2931 |
|
calc_delta_16(currMV->x - center_x, currMV->y - center_y, |
2932 |
|
(uint8_t) iFcode, iQuant); |
2933 |
|
|
2934 |
|
if ((iMinSAD < 256) || |
2935 |
|
((MVequal(*currMV, prevMB->i_mvs[0])) && |
2936 |
|
((int32_t) iMinSAD < prevMB->i_sad16))) { |
2937 |
|
if (iMinSAD < 2 * iQuant) // high chances for SKIP-mode |
2938 |
|
{ |
2939 |
|
if (!MVzero(*currMV)) { |
2940 |
|
iMinSAD += MV16_00_BIAS; |
2941 |
|
CHECK_MV16_ZERO; // (0,0) saves space for letterboxed pictures |
2942 |
|
iMinSAD -= MV16_00_BIAS; |
2943 |
|
} |
2944 |
|
} |
2945 |
|
|
2946 |
if (!(MotionFlags & PMV_HALFPEL8)) |
if (MotionFlags & PMV_EARLYSTOP16) |
2947 |
{ |
goto PMVfastInt16_Terminate_with_Refine; |
|
currMV->x = EVEN(currMV->x); |
|
|
currMV->y = EVEN(currMV->y); |
|
2948 |
} |
} |
2949 |
|
|
|
if (currMV->x > max_dx) |
|
|
currMV->x=max_dx; |
|
|
if (currMV->x < min_dx) |
|
|
currMV->x=min_dx; |
|
|
if (currMV->y > max_dy) |
|
|
currMV->y=max_dy; |
|
|
if (currMV->y < min_dy) |
|
|
currMV->y=min_dy; |
|
2950 |
|
|
2951 |
/***************** This is predictor SET A: only median prediction ******************/ |
/* Step 2 (lazy eval): Calculate Distance= |MedianMVX| + |MedianMVY| where MedianMV is the motion |
2952 |
|
vector of the median. |
2953 |
|
If PredEq=1 and MVpredicted = Previous Frame MV, set Found=2 |
2954 |
|
*/ |
2955 |
|
|
2956 |
|
if ((bPredEq) && (MVequal(pmv[0], prevMB->i_mvs[0]))) |
2957 |
|
iFound = 2; |
2958 |
|
|
2959 |
iMinSAD = sad8( cur, |
/* Step 3 (lazy eval): If Distance>0 or thresb<1536 or PredEq=1 Select small Diamond Search. |
2960 |
get_ref_mv(pRef, pRefH, pRefV, pRefHV, x, y, 8, currMV, iEdgedWidth), |
Otherwise select large Diamond Search. |
2961 |
iEdgedWidth); |
*/ |
|
iMinSAD += calc_delta_8(currMV->x-pmv[0].x, currMV->y-pmv[0].y, (uint8_t)iFcode) * iQuant; |
|
2962 |
|
|
2963 |
|
if ((!MVzero(pmv[0])) || (threshB < 1536) || (bPredEq)) |
2964 |
|
iDiamondSize = 2; // halfpel units! |
2965 |
|
else |
2966 |
|
iDiamondSize = 4; // halfpel units! |
2967 |
|
|
2968 |
// thresh1 is fixed to 256 |
/* |
2969 |
if (iMinSAD < 256/4 ) |
Step 5: Calculate SAD for motion vectors taken from left block, top, top-right, and Previous frame block. |
2970 |
{ |
Also calculate (0,0) but do not subtract offset. |
2971 |
if (MotionFlags & PMV_QUICKSTOP8) |
Let MinSAD be the smallest SAD up to this point. |
2972 |
goto EPZS8_Terminate_without_Refine; |
If MV is (0,0) subtract offset. |
2973 |
if (MotionFlags & PMV_EARLYSTOP8) |
*/ |
|
goto EPZS8_Terminate_with_Refine; |
|
|
} |
|
2974 |
|
|
2975 |
/************** This is predictor SET B: (0,0), prev.frame MV, neighbours **************/ |
// (0,0) is often a good choice |
2976 |
|
|
2977 |
// previous frame MV |
if (!MVzero(pmv[0])) |
2978 |
CHECK_MV8_CANDIDATE(pMB->mvs[0].x,pMB->mvs[0].y); |
CHECK_MV16_ZERO; |
2979 |
|
|
2980 |
// MV=(0,0) is often a good choice |
// previous frame MV is always possible |
2981 |
|
|
2982 |
CHECK_MV8_ZERO; |
if (!MVzero(prevMB->i_mvs[0])) |
2983 |
|
if (!MVequal(prevMB->i_mvs[0], pmv[0])) |
2984 |
|
CHECK_MV16_CANDIDATE(prevMB->i_mvs[0].x, prevMB->i_mvs[0].y); |
2985 |
|
|
2986 |
/* Terminate if MinSAD <= T_2 |
// left neighbour, if allowed |
2987 |
Terminate if MV[t] == MV[t-1] and MinSAD[t] <= MinSAD[t-1] |
|
2988 |
|
if (!MVzero(pmv[1])) |
2989 |
|
if (!MVequal(pmv[1], prevMB->i_mvs[0])) |
2990 |
|
if (!MVequal(pmv[1], pmv[0])) |
2991 |
|
CHECK_MV16_CANDIDATE(pmv[1].x, pmv[1].y); |
2992 |
|
|
2993 |
|
// top neighbour, if allowed |
2994 |
|
if (!MVzero(pmv[2])) |
2995 |
|
if (!MVequal(pmv[2], prevMB->i_mvs[0])) |
2996 |
|
if (!MVequal(pmv[2], pmv[0])) |
2997 |
|
if (!MVequal(pmv[2], pmv[1])) |
2998 |
|
CHECK_MV16_CANDIDATE(pmv[2].x, pmv[2].y); |
2999 |
|
|
3000 |
|
// top right neighbour, if allowed |
3001 |
|
if (!MVzero(pmv[3])) |
3002 |
|
if (!MVequal(pmv[3], prevMB->i_mvs[0])) |
3003 |
|
if (!MVequal(pmv[3], pmv[0])) |
3004 |
|
if (!MVequal(pmv[3], pmv[1])) |
3005 |
|
if (!MVequal(pmv[3], pmv[2])) |
3006 |
|
CHECK_MV16_CANDIDATE(pmv[3].x, |
3007 |
|
pmv[3].y); |
3008 |
|
|
3009 |
|
if ((MVzero(*currMV)) && |
3010 |
|
(!MVzero(pmv[0])) /* && (iMinSAD <= iQuant * 96) */ ) |
3011 |
|
iMinSAD -= MV16_00_BIAS; |
3012 |
|
|
3013 |
|
|
3014 |
|
/* Step 6: If MinSAD <= thresa goto Step 10. |
3015 |
|
If Motion Vector equal to Previous frame motion vector and MinSAD<PrevFrmSAD goto Step 10. |
3016 |
*/ |
*/ |
3017 |
|
|
3018 |
if (iMinSAD < 512/4) /* T_2 == 512/4 hardcoded */ |
if ((iMinSAD <= threshA) || |
3019 |
{ |
(MVequal(*currMV, prevMB->i_mvs[0]) && |
3020 |
if (MotionFlags & PMV_QUICKSTOP8) |
((int32_t) iMinSAD < prevMB->i_sad16))) { |
3021 |
goto EPZS8_Terminate_without_Refine; |
|
3022 |
if (MotionFlags & PMV_EARLYSTOP8) |
if (MotionFlags & PMV_EARLYSTOP16) |
3023 |
goto EPZS8_Terminate_with_Refine; |
goto PMVfastInt16_Terminate_with_Refine; |
3024 |
} |
} |
3025 |
|
|
|
/************ (if Diamond Search) **************/ |
|
3026 |
|
|
3027 |
backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
/************ (Diamond Search) **************/ |
3028 |
|
/* |
3029 |
|
Step 7: Perform Diamond search, with either the small or large diamond. |
3030 |
|
If Found=2 only examine one Diamond pattern, and afterwards goto step 10 |
3031 |
|
Step 8: If small diamond, iterate small diamond search pattern until motion vector lies in the center of the diamond. |
3032 |
|
If center then goto step 10. |
3033 |
|
Step 9: If large diamond, iterate large diamond search pattern until motion vector lies in the center. |
3034 |
|
Refine by using small diamond and goto step 10. |
3035 |
|
*/ |
3036 |
|
|
3037 |
if (!(MotionFlags & PMV_HALFPELDIAMOND8)) |
if (MotionFlags & PMV_USESQUARES16) |
3038 |
iDiamondSize *= 2; |
MainSearchPtr = Square16_MainSearch; |
3039 |
|
else if (MotionFlags & PMV_ADVANCEDDIAMOND16) |
3040 |
|
MainSearchPtr = AdvDiamond16_MainSearch; |
3041 |
|
else |
3042 |
|
MainSearchPtr = Diamond16_MainSearch; |
3043 |
|
|
3044 |
/* default: use best prediction as starting point for one call of PMVfast_MainSearch */ |
backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
3045 |
|
|
|
// if (MotionFlags & PMV_USESQUARES8) |
|
|
// EPZSMainSearchPtr = Square8_MainSearch; |
|
|
// else |
|
|
EPZSMainSearchPtr = Diamond8_MainSearch; |
|
|
|
|
|
iSAD = (*EPZSMainSearchPtr)(pRef, pRefH, pRefV, pRefHV, cur, |
|
|
x, y, |
|
|
currMV->x, currMV->y, iMinSAD, &newMV, |
|
|
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, |
|
|
iDiamondSize, iFcode, iQuant, 00); |
|
3046 |
|
|
3047 |
|
/* default: use best prediction as starting point for one call of PMVfast_MainSearch */ |
3048 |
|
iSAD = |
3049 |
|
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV->x, |
3050 |
|
currMV->y, iMinSAD, &newMV, center_x, center_y, min_dx, max_dx, |
3051 |
|
min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, |
3052 |
|
iQuant, iFound); |
3053 |
|
|
3054 |
if (iSAD < iMinSAD) |
if (iSAD < iMinSAD) { |
|
{ |
|
3055 |
*currMV = newMV; |
*currMV = newMV; |
3056 |
iMinSAD = iSAD; |
iMinSAD = iSAD; |
3057 |
} |
} |
3058 |
|
|
3059 |
if (MotionFlags & PMV_EXTSEARCH8) |
if (MotionFlags & PMV_EXTSEARCH16) { |
3060 |
{ |
/* extended: search (up to) two more times: orignal prediction and (0,0) */ |
|
/* extended mode: search (up to) two more times: orignal prediction and (0,0) */ |
|
3061 |
|
|
3062 |
if (!(MVequal(pmv[0],backupMV)) ) |
if (!(MVequal(pmv[0], backupMV))) { |
3063 |
{ |
iSAD = |
3064 |
iSAD = (*EPZSMainSearchPtr)(pRef, pRefH, pRefV, pRefHV, cur, |
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, |
3065 |
x, y, |
pmv[0].x, pmv[0].y, iMinSAD, &newMV, center_x, center_y, |
3066 |
pmv[0].x, pmv[0].y, iMinSAD, &newMV, |
min_dx, max_dx, min_dy, max_dy, iEdgedWidth, |
3067 |
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, iQuant, 0); |
iDiamondSize, iFcode, iQuant, iFound); |
3068 |
|
|
3069 |
if (iSAD < iMinSAD) |
if (iSAD < iMinSAD) { |
|
{ |
|
3070 |
*currMV = newMV; |
*currMV = newMV; |
3071 |
iMinSAD = iSAD; |
iMinSAD = iSAD; |
3072 |
} |
} |
3073 |
} |
} |
3074 |
|
|
3075 |
if ( (!(MVzero(pmv[0]))) && (!(MVzero(backupMV))) ) |
if ((!(MVzero(pmv[0]))) && (!(MVzero(backupMV)))) { |
3076 |
{ |
iSAD = |
3077 |
iSAD = (*EPZSMainSearchPtr)(pRef, pRefH, pRefV, pRefHV, cur, |
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, 0, 0, |
3078 |
x, y, |
iMinSAD, &newMV, center_x, center_y, min_dx, max_dx, min_dy, |
3079 |
0, 0, iMinSAD, &newMV, |
max_dy, iEdgedWidth, iDiamondSize, iFcode, |
3080 |
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, iQuant, 0); |
iQuant, iFound); |
3081 |
|
|
3082 |
if (iSAD < iMinSAD) |
if (iSAD < iMinSAD) { |
|
{ |
|
3083 |
*currMV = newMV; |
*currMV = newMV; |
3084 |
iMinSAD = iSAD; |
iMinSAD = iSAD; |
3085 |
} |
} |
3086 |
} |
} |
3087 |
} |
} |
3088 |
|
|
3089 |
/*************** Choose best MV found **************/ |
/* |
3090 |
|
Step 10: The motion vector is chosen according to the block corresponding to MinSAD. |
3091 |
|
*/ |
3092 |
|
|
3093 |
EPZS8_Terminate_with_Refine: |
PMVfastInt16_Terminate_with_Refine: |
|
if (MotionFlags & PMV_HALFPELREFINE8) // perform final half-pel step |
|
|
iMinSAD = Halfpel8_Refine( pRef, pRefH, pRefV, pRefHV, cur, |
|
|
x, y, |
|
|
currMV, iMinSAD, |
|
|
pmv, min_dx, max_dx, min_dy, max_dy, iFcode, iQuant, iEdgedWidth); |
|
3094 |
|
|
3095 |
EPZS8_Terminate_without_Refine: |
pMB->i_mvs[0] = pMB->i_mvs[1] = pMB->i_mvs[2] = pMB->i_mvs[3] = pMB->i_mv16 = *currMV; |
3096 |
|
pMB->i_sad8[0] = pMB->i_sad8[1] = pMB->i_sad8[2] = pMB->i_sad8[3] = pMB->i_sad16 = iMinSAD; |
3097 |
|
|
3098 |
currPMV->x = currMV->x - pmv[0].x; |
if (MotionFlags & PMV_HALFPELREFINE16) // perform final half-pel step |
3099 |
currPMV->y = currMV->y - pmv[0].y; |
iMinSAD = |
3100 |
|
Halfpel16_Refine(pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV, |
3101 |
|
iMinSAD, center_x, center_y, min_dx, max_dx, min_dy, max_dy, |
3102 |
|
iFcode, iQuant, iEdgedWidth); |
3103 |
|
|
3104 |
|
pmv[0] = get_pmv2(pMBs, pParam->mb_width, 0, x, y, 0); // get _REAL_ prediction (halfpel possible) |
3105 |
|
|
3106 |
|
PMVfastInt16_Terminate_without_Refine: |
3107 |
|
currPMV->x = currMV->x - center_x; |
3108 |
|
currPMV->y = currMV->y - center_y; |
3109 |
return iMinSAD; |
return iMinSAD; |
3110 |
} |
} |
3111 |
|
|
3112 |
|
|
3113 |
|
|
|
|
|
|
|
|
3114 |
/* *********************************************************** |
/* *********************************************************** |
3115 |
bvop motion estimation |
bvop motion estimation |
|
// TODO: need to incorporate prediction here (eg. sad += calc_delta_16) |
|
3116 |
***************************************************************/ |
***************************************************************/ |
3117 |
|
|
3118 |
/* |
void |
3119 |
void MotionEstimationBVOP( |
MotionEstimationBVOP(MBParam * const pParam, |
|
MBParam * const pParam, |
|
3120 |
FRAMEINFO * const frame, |
FRAMEINFO * const frame, |
3121 |
|
const int32_t time_bp, |
3122 |
|
const int32_t time_pp, |
3123 |
// forward (past) reference |
// forward (past) reference |
3124 |
const MACROBLOCK * const f_mbs, |
const MACROBLOCK * const f_mbs, |
3125 |
const IMAGE * const f_ref, |
const IMAGE * const f_ref, |
3133 |
const IMAGE * const b_refV, |
const IMAGE * const b_refV, |
3134 |
const IMAGE * const b_refHV) |
const IMAGE * const b_refHV) |
3135 |
{ |
{ |
3136 |
const uint32_t mb_width = pParam->mb_width; |
const int mb_width = pParam->mb_width; |
3137 |
const uint32_t mb_height = pParam->mb_height; |
const int mb_height = pParam->mb_height; |
3138 |
const int32_t edged_width = pParam->edged_width; |
const int edged_width = pParam->edged_width; |
3139 |
|
|
3140 |
int32_t i,j; |
const int32_t iWidth = pParam->width; |
3141 |
|
const int32_t iHeight = pParam->height; |
3142 |
int32_t f_sad16; |
|
3143 |
int32_t b_sad16; |
int i, j, k; |
3144 |
int32_t i_sad16; |
|
3145 |
int32_t d_sad16; |
static const VECTOR zeroMV={0,0}; |
|
int32_t best_sad; |
|
3146 |
|
|
3147 |
|
int f_sad16; /* forward (as usual) search */ |
3148 |
|
int b_sad16; /* backward (only in b-frames) search */ |
3149 |
|
int i_sad16; /* interpolated (both direction, b-frames only) */ |
3150 |
|
int d_sad16; /* direct mode (assume almost linear motion) */ |
3151 |
|
|
3152 |
|
int best_sad; |
3153 |
|
|
3154 |
|
VECTOR f_predMV, b_predMV; /* there is no prediction for direct mode*/ |
3155 |
|
VECTOR f_interpolMV, b_interpolMV; |
3156 |
VECTOR pmv_dontcare; |
VECTOR pmv_dontcare; |
3157 |
|
|
3158 |
|
int min_dx, max_dx, min_dy, max_dy; |
3159 |
|
int f_min_dx, f_max_dx, f_min_dy, f_max_dy; |
3160 |
|
int b_min_dx, b_max_dx, b_min_dy, b_max_dy; |
3161 |
|
|
3162 |
|
int f_count=0; |
3163 |
|
int b_count=0; |
3164 |
|
int i_count=0; |
3165 |
|
int d_count=0; |
3166 |
|
|
3167 |
|
const int64_t TRB = (int32_t)time_pp - (int32_t)time_bp; |
3168 |
|
const int64_t TRD = (int32_t)time_pp; |
3169 |
|
|
3170 |
|
// fprintf(stderr,"TRB = %lld TRD = %lld time_bp =%d time_pp =%d\n\n",TRB,TRD,time_bp,time_pp); |
3171 |
// note: i==horizontal, j==vertical |
// note: i==horizontal, j==vertical |
3172 |
for (j = 0; j < mb_height; j++) |
for (j = 0; j < mb_height; j++) { |
3173 |
{ |
|
3174 |
for (i = 0; i < mb_width; i++) |
f_predMV = zeroMV; /* prediction is reset at left boundary */ |
3175 |
{ |
b_predMV = zeroMV; |
3176 |
|
|
3177 |
|
for (i = 0; i < mb_width; i++) { |
3178 |
MACROBLOCK *mb = &frame->mbs[i + j*mb_width]; |
MACROBLOCK *mb = &frame->mbs[i + j*mb_width]; |
3179 |
const MACROBLOCK *f_mb = &f_mbs[i + j*mb_width]; |
const MACROBLOCK *f_mb = &f_mbs[i + j*mb_width]; |
3180 |
const MACROBLOCK *b_mb = &b_mbs[i + j*mb_width]; |
const MACROBLOCK *b_mb = &b_mbs[i + j*mb_width]; |
3181 |
|
|
3182 |
if (b_mb->mode == MODE_INTER |
mb->deltamv=zeroMV; |
3183 |
&& b_mb->cbp == 0 |
|
3184 |
&& b_mb->mvs[0].x == 0 |
/* special case, if collocated block is SKIPed: encoding is forward (0,0), cpb=0 without further ado */ |
3185 |
&& b_mb->mvs[0].y == 0) |
|
3186 |
{ |
#ifndef _DISABLE_SKIP |
3187 |
mb->mode = MB_IGNORE; |
if (b_mb->mode == MODE_INTER && b_mb->cbp == 0 && |
3188 |
|
b_mb->mvs[0].x == 0 && b_mb->mvs[0].y == 0) { |
3189 |
|
mb->mode = MODE_NOT_CODED; |
3190 |
mb->mvs[0].x = 0; |
mb->mvs[0].x = 0; |
3191 |
mb->mvs[0].y = 0; |
mb->mvs[0].y = 0; |
3192 |
mb->b_mvs[0].x = 0; |
mb->b_mvs[0].x = 0; |
3193 |
mb->b_mvs[0].y = 0; |
mb->b_mvs[0].y = 0; |
3194 |
continue; |
continue; |
3195 |
} |
} |
3196 |
|
#endif |
3197 |
|
|
3198 |
|
if (b_mb->mode == MODE_INTER4V) |
3199 |
|
{ |
3200 |
|
d_sad16 = 0; |
3201 |
|
/* same method of scaling as in decoder.c, so we copy from there */ |
3202 |
|
for (k = 0; k < 4; k++) { |
3203 |
|
|
3204 |
|
mb->directmv[k] = b_mb->mvs[k]; |
3205 |
|
|
3206 |
|
mb->mvs[k].x = (int32_t) ((TRB * mb->directmv[k].x) / TRD + mb->deltamv.x); |
3207 |
|
mb->b_mvs[k].x = (int32_t) ((mb->deltamv.x == 0) |
3208 |
|
? ((TRB - TRD) * mb->directmv[k].x) / TRD |
3209 |
|
: mb->mvs[k].x - mb->directmv[k].x); |
3210 |
|
|
3211 |
|
mb->mvs[k].y = (int32_t) ((TRB * mb->directmv[k].y) / TRD + mb->deltamv.y); |
3212 |
|
mb->b_mvs[k].y = (int32_t) ((mb->deltamv.y == 0) |
3213 |
|
? ((TRB - TRD) * mb->directmv[k].y) / TRD |
3214 |
|
: mb->mvs[k].y - mb->directmv[k].y); |
3215 |
|
|
3216 |
|
d_sad16 += |
3217 |
|
sad8bi(frame->image.y + 2*(i+(k&1))*8 + 2*(j+(k>>1))*8*edged_width, |
3218 |
|
get_ref_mv(f_ref->y, f_refH->y, f_refV->y, f_refHV->y, |
3219 |
|
2*(i+(k&1)), 2*(j+(k>>1)), 8, &mb->mvs[k], edged_width), |
3220 |
|
get_ref_mv(b_ref->y, b_refH->y, b_refV->y, b_refHV->y, |
3221 |
|
2*(i+(k&1)), 2*(j+(k>>1)), 8, &mb->b_mvs[k], edged_width), |
3222 |
|
edged_width); |
3223 |
|
} |
3224 |
|
} |
3225 |
|
else |
3226 |
|
{ |
3227 |
|
mb->directmv[3] = mb->directmv[2] = mb->directmv[1] = |
3228 |
|
mb->directmv[0] = b_mb->mvs[0]; |
3229 |
|
|
3230 |
|
mb->mvs[0].x = (int32_t) ((TRB * mb->directmv[0].x) / TRD + mb->deltamv.x); |
3231 |
|
mb->b_mvs[0].x = (int32_t) ((mb->deltamv.x == 0) |
3232 |
|
? ((TRB - TRD) * mb->directmv[0].x) / TRD |
3233 |
|
: mb->mvs[0].x - mb->directmv[0].x); |
3234 |
|
|
3235 |
|
mb->mvs[0].y = (int32_t) ((TRB * mb->directmv[0].y) / TRD + mb->deltamv.y); |
3236 |
|
mb->b_mvs[0].y = (int32_t) ((mb->directmv[0].y == 0) |
3237 |
|
? ((TRB - TRD) * mb->directmv[0].y) / TRD |
3238 |
|
: mb->mvs[0].y - mb->directmv[0].y); |
3239 |
|
|
3240 |
|
d_sad16 = sad16bi(frame->image.y + i * 16 + j * 16 * edged_width, |
3241 |
|
get_ref_mv(f_ref->y, f_refH->y, f_refV->y, f_refHV->y, |
3242 |
|
i, j, 16, &mb->mvs[0], edged_width), |
3243 |
|
get_ref_mv(b_ref->y, b_refH->y, b_refV->y, b_refHV->y, |
3244 |
|
i, j, 16, &mb->b_mvs[0], edged_width), |
3245 |
|
edged_width); |
3246 |
|
|
3247 |
|
} |
3248 |
|
d_sad16 += calc_delta_16(mb->deltamv.x, mb->deltamv.y, 1, frame->quant); |
3249 |
|
|
3250 |
// forward search |
// forward search |
3251 |
f_sad16 = SEARCH16(f_ref->y, f_refH->y, f_refV->y, f_refHV->y, |
f_sad16 = SEARCH16(f_ref->y, f_refH->y, f_refV->y, f_refHV->y, |
3252 |
&frame->image, |
&frame->image, i, j, |
3253 |
i, j, |
mb->mvs[0].x, mb->mvs[0].y, /* start point f_directMV */ |
3254 |
frame->motion_flags, frame->quant, frame->fcode, |
f_predMV.x, f_predMV.y, /* center is f-prediction */ |
3255 |
pParam, |
frame->motion_flags, |
3256 |
f_mbs, |
frame->quant, frame->fcode, pParam, |
3257 |
&mb->mvs[0], &pmv_dontcare); // ignore pmv |
f_mbs, f_mbs, |
3258 |
|
&mb->mvs[0], &pmv_dontcare); |
3259 |
|
|
3260 |
|
|
3261 |
// backward search |
// backward search |
3262 |
b_sad16 = SEARCH16(b_ref->y, b_refH->y, b_refV->y, b_refHV->y, |
b_sad16 = SEARCH16(b_ref->y, b_refH->y, b_refV->y, b_refHV->y, |
3263 |
&frame->image, |
&frame->image, i, j, |
3264 |
|
mb->b_mvs[0].x, mb->b_mvs[0].y, /* start point b_directMV */ |
3265 |
|
b_predMV.x, b_predMV.y, /* center is b-prediction */ |
3266 |
|
frame->motion_flags, |
3267 |
|
frame->quant, frame->bcode, pParam, |
3268 |
|
b_mbs, b_mbs, |
3269 |
|
&mb->b_mvs[0], &pmv_dontcare); |
3270 |
|
|
3271 |
|
i_sad16 = |
3272 |
|
sad16bi(frame->image.y + i * 16 + j * 16 * edged_width, |
3273 |
|
get_ref_mv(f_ref->y, f_refH->y, f_refV->y, f_refHV->y, |
3274 |
|
i, j, 16, &mb->mvs[0], edged_width), |
3275 |
|
get_ref_mv(b_ref->y, b_refH->y, b_refV->y, b_refHV->y, |
3276 |
|
i, j, 16, &mb->b_mvs[0], edged_width), |
3277 |
|
edged_width); |
3278 |
|
i_sad16 += calc_delta_16(mb->mvs[0].x-f_predMV.x, mb->mvs[0].y-f_predMV.y, |
3279 |
|
frame->fcode, frame->quant); |
3280 |
|
i_sad16 += calc_delta_16(mb->b_mvs[0].x-b_predMV.x, mb->b_mvs[0].y-b_predMV.y, |
3281 |
|
frame->bcode, frame->quant); |
3282 |
|
|
3283 |
|
get_range(&f_min_dx, &f_max_dx, &f_min_dy, &f_max_dy, i, j, 16, iWidth, iHeight, |
3284 |
|
frame->fcode); |
3285 |
|
get_range(&b_min_dx, &b_max_dx, &b_min_dy, &b_max_dy, i, j, 16, iWidth, iHeight, |
3286 |
|
frame->bcode); |
3287 |
|
|
3288 |
|
/* Interpolated MC motion vector search, this is tedious and more complicated because there are |
3289 |
|
two values for everything, always one for backward and one for forward ME. Still, we don't gain |
3290 |
|
much from this search, maybe it should simply be skipped and simply current i_sad16 value used |
3291 |
|
as "optimal". */ |
3292 |
|
|
3293 |
|
i_sad16 = Diamond16_InterpolMainSearch( |
3294 |
|
f_ref->y, f_refH->y, f_refV->y, f_refHV->y, |
3295 |
|
frame->image.y + i * 16 + j * 16 * edged_width, |
3296 |
|
b_ref->y, b_refH->y, b_refV->y, b_refHV->y, |
3297 |
i, j, |
i, j, |
3298 |
frame->motion_flags, frame->quant, frame->bcode, |
mb->mvs[0].x, mb->mvs[0].y, |
3299 |
pParam, |
mb->b_mvs[0].x, mb->b_mvs[0].y, |
3300 |
b_mbs, |
i_sad16, |
3301 |
&mb->b_mvs[0], &pmv_dontcare); // ignore pmv |
&f_interpolMV, &b_interpolMV, |
3302 |
|
f_predMV.x, f_predMV.y, b_predMV.x, b_predMV.y, |
3303 |
|
f_min_dx, f_max_dx, f_min_dy, f_max_dy, |
3304 |
|
b_min_dx, b_max_dx, b_min_dy, b_max_dy, |
3305 |
|
edged_width, 1, |
3306 |
|
frame->fcode, frame->bcode,frame->quant,0); |
3307 |
|
|
3308 |
|
|
3309 |
|
/* DIRECT MODE DELTA VECTOR SEARCH. |
3310 |
|
This has to be made more effective, but at the moment I'm happy it's running at all */ |
3311 |
|
|
3312 |
|
/* range is taken without fcode restriction, just a hack instead of writing down the dimensions, of course */ |
3313 |
|
|
3314 |
// interpolate search (simple, but effective) |
get_range(&min_dx, &max_dx, &min_dy, &max_dy, i, j, 16, iWidth, iHeight, 19); |
3315 |
i_sad16 = sad16bi_c( |
|
3316 |
|
d_sad16 = Diamond16_DirectMainSearch( |
3317 |
|
f_ref->y, f_refH->y, f_refV->y, f_refHV->y, |
3318 |
frame->image.y + i*16 + j*16*edged_width, |
frame->image.y + i*16 + j*16*edged_width, |
3319 |
get_ref(f_ref->y, f_refH->y, f_refV->y, f_refHV->y, |
b_ref->y, b_refH->y, b_refV->y, b_refHV->y, |
3320 |
i, j, 16, mb->mvs[0].x, mb->mvs[0].y, edged_width), |
i, j, |
3321 |
get_ref(b_ref->y, b_refH->y, b_refV->y, b_refHV->y, |
TRB,TRD, |
3322 |
i, j, 16, mb->b_mvs[0].x, mb->b_mvs[0].x, edged_width), |
0,0, |
3323 |
edged_width); |
d_sad16, |
3324 |
|
&mb->deltamv, |
3325 |
|
mb->directmv, // this has to be pre-initialized with b_mb->mvs[} |
3326 |
|
min_dx, max_dx, min_dy, max_dy, |
3327 |
|
edged_width, 1, frame->quant, 0); |
3328 |
|
|
|
// TODO: direct search |
|
|
// predictor + range of [-32,32] |
|
|
d_sad16 = 65535; |
|
3329 |
|
|
3330 |
|
// i_sad16 = 65535; /* remove the comment to disable any of the MODEs */ |
3331 |
|
// f_sad16 = 65535; |
3332 |
|
// b_sad16 = 65535; |
3333 |
|
// d_sad16 = 65535; |
3334 |
|
|
3335 |
if (f_sad16 < b_sad16) |
if (f_sad16 < b_sad16) { |
|
{ |
|
3336 |
best_sad = f_sad16; |
best_sad = f_sad16; |
3337 |
mb->mode = MB_FORWARD; |
mb->mode = MODE_FORWARD; |
3338 |
} |
} else { |
|
else |
|
|
{ |
|
3339 |
best_sad = b_sad16; |
best_sad = b_sad16; |
3340 |
mb->mode = MB_BACKWARD; |
mb->mode = MODE_BACKWARD; |
3341 |
} |
} |
3342 |
|
|
3343 |
if (i_sad16 < best_sad) |
if (i_sad16 < best_sad) { |
|
{ |
|
3344 |
best_sad = i_sad16; |
best_sad = i_sad16; |
3345 |
mb->mode = MB_INTERPOLATE; |
mb->mode = MODE_INTERPOLATE; |
3346 |
} |
} |
3347 |
|
|
3348 |
if (d_sad16 < best_sad) |
if (d_sad16 < best_sad) { |
3349 |
|
|
3350 |
|
if (b_mb->mode == MODE_INTER4V) |
3351 |
|
{ |
3352 |
|
|
3353 |
|
/* how to calc vectors is defined in standard. mvs[] and b_mvs[] are only for motion compensation */ |
3354 |
|
/* for the bitstream, the value mb->deltamv is read directly */ |
3355 |
|
|
3356 |
|
for (k = 0; k < 4; k++) { |
3357 |
|
|
3358 |
|
mb->mvs[k].x = (int32_t) ((TRB * mb->directmv[k].x) / TRD + mb->deltamv.x); |
3359 |
|
mb->b_mvs[k].x = (int32_t) ((mb->deltamv.x == 0) |
3360 |
|
? ((TRB - TRD) * mb->directmv[k].x) / TRD |
3361 |
|
: mb->mvs[k].x - mb->directmv[k].x); |
3362 |
|
|
3363 |
|
mb->mvs[k].y = (int32_t) ((TRB * mb->directmv[k].y) / TRD + mb->deltamv.y); |
3364 |
|
mb->b_mvs[k].y = (int32_t) ((mb->deltamv.y == 0) |
3365 |
|
? ((TRB - TRD) * mb->directmv[k].y) / TRD |
3366 |
|
: mb->mvs[k].y - mb->directmv[k].y); |
3367 |
|
} |
3368 |
|
} |
3369 |
|
else |
3370 |
{ |
{ |
3371 |
|
mb->mvs[0].x = (int32_t) ((TRB * mb->directmv[0].x) / TRD + mb->deltamv.x); |
3372 |
|
|
3373 |
|
mb->b_mvs[0].x = (int32_t) ((mb->deltamv.x == 0) |
3374 |
|
? ((TRB - TRD) * mb->directmv[0].x) / TRD |
3375 |
|
: mb->mvs[0].x - mb->directmv[0].x); |
3376 |
|
|
3377 |
|
mb->mvs[0].y = (int32_t) ((TRB * mb->directmv[0].y) / TRD + mb->deltamv.y); |
3378 |
|
|
3379 |
|
mb->b_mvs[0].y = (int32_t) ((mb->deltamv.y == 0) |
3380 |
|
? ((TRB - TRD) * mb->directmv[0].y) / TRD |
3381 |
|
: mb->mvs[0].y - mb->directmv[0].y); |
3382 |
|
|
3383 |
|
mb->mvs[3] = mb->mvs[2] = mb->mvs[1] = mb->mvs[0]; |
3384 |
|
mb->b_mvs[3] = mb->b_mvs[2] = mb->b_mvs[1] = mb->b_mvs[0]; |
3385 |
|
} |
3386 |
|
|
3387 |
best_sad = d_sad16; |
best_sad = d_sad16; |
3388 |
mb->mode = MB_DIRECT; |
mb->mode = MODE_DIRECT; |
3389 |
} |
} |
3390 |
|
|
3391 |
|
switch (mb->mode) |
3392 |
|
{ |
3393 |
|
case MODE_FORWARD: |
3394 |
|
f_count++; |
3395 |
|
f_predMV = mb->mvs[0]; |
3396 |
|
break; |
3397 |
|
case MODE_BACKWARD: |
3398 |
|
b_count++; |
3399 |
|
b_predMV = mb->b_mvs[0]; |
3400 |
|
|
3401 |
|
break; |
3402 |
|
case MODE_INTERPOLATE: |
3403 |
|
i_count++; |
3404 |
|
mb->mvs[0] = f_interpolMV; |
3405 |
|
mb->b_mvs[0] = b_interpolMV; |
3406 |
|
f_predMV = mb->mvs[0]; |
3407 |
|
b_predMV = mb->b_mvs[0]; |
3408 |
|
break; |
3409 |
|
case MODE_DIRECT: |
3410 |
|
d_count++; |
3411 |
|
break; |
3412 |
|
default: |
3413 |
|
break; |
3414 |
} |
} |
3415 |
|
|
3416 |
} |
} |
3417 |
} |
} |
3418 |
|
|
3419 |
*/ |
#ifdef _DEBUG_BFRAME_STAT |
3420 |
|
fprintf(stderr,"B-Stat: F: %04d B: %04d I: %04d D: %04d\n", |
3421 |
|
f_count,b_count,i_count,d_count); |
3422 |
|
#endif |
3423 |
|
|
3424 |
|
} |