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1 : | chl | 430 | /***************************************************************************** |
2 : | Isibaar | 3 | * |
3 : | chl | 430 | * XVID MPEG-4 VIDEO CODEC |
4 : | * - Motion Estimation module - | ||
5 : | chl | 259 | * |
6 : | chl | 430 | * Copyright(C) 2002 Christoph Lampert <gruel@web.de> |
7 : | * Copyright(C) 2002 Michael Militzer <michael@xvid.org> | ||
8 : | * Copyright(C) 2002 Edouard Gomez <ed.gomez@wanadoo.fr> | ||
9 : | * Copyright(C) 2002 chenm001 <chenm001@163.com> | ||
10 : | chl | 259 | * |
11 : | chl | 430 | * This program is an implementation of a part of one or more MPEG-4 |
12 : | * Video tools as specified in ISO/IEC 14496-2 standard. Those intending | ||
13 : | * to use this software module in hardware or software products are | ||
14 : | * advised that its use may infringe existing patents or copyrights, and | ||
15 : | * any such use would be at such party's own risk. The original | ||
16 : | * developer of this software module and his/her company, and subsequent | ||
17 : | * editors and their companies, will have no liability for use of this | ||
18 : | * software or modifications or derivatives thereof. | ||
19 : | chl | 259 | * |
20 : | chl | 430 | * This program is free software; you can redistribute it and/or modify |
21 : | * it under the terms of the GNU General Public License as published by | ||
22 : | * the Free Software Foundation; either version 2 of the License, or | ||
23 : | * (at your option) any later version. | ||
24 : | chl | 259 | * |
25 : | chl | 430 | * This program is distributed in the hope that it will be useful, |
26 : | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
27 : | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
28 : | * GNU General Public License for more details. | ||
29 : | chl | 259 | * |
30 : | chl | 430 | * You should have received a copy of the GNU General Public License |
31 : | * along with this program; if not, write to the Free Software | ||
32 : | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
33 : | * | ||
34 : | chl | 259 | *************************************************************************/ |
35 : | |||
36 : | Isibaar | 3 | #include <assert.h> |
37 : | #include <stdio.h> | ||
38 : | chl | 96 | #include <stdlib.h> |
39 : | Isibaar | 3 | |
40 : | #include "../encoder.h" | ||
41 : | #include "../utils/mbfunctions.h" | ||
42 : | #include "../prediction/mbprediction.h" | ||
43 : | #include "../global.h" | ||
44 : | #include "../utils/timer.h" | ||
45 : | suxen_drol | 118 | #include "motion.h" |
46 : | Isibaar | 3 | #include "sad.h" |
47 : | |||
48 : | |||
49 : | |||
50 : | edgomez | 195 | static int32_t lambda_vec16[32] = /* rounded values for lambda param for weight of motion bits as in modified H.26L */ |
51 : | { 0, (int) (1.00235 + 0.5), (int) (1.15582 + 0.5), (int) (1.31976 + 0.5), | ||
52 : | (int) (1.49591 + 0.5), (int) (1.68601 + 0.5), | ||
53 : | (int) (1.89187 + 0.5), (int) (2.11542 + 0.5), (int) (2.35878 + 0.5), | ||
54 : | (int) (2.62429 + 0.5), (int) (2.91455 + 0.5), | ||
55 : | (int) (3.23253 + 0.5), (int) (3.58158 + 0.5), (int) (3.96555 + 0.5), | ||
56 : | (int) (4.38887 + 0.5), (int) (4.85673 + 0.5), | ||
57 : | (int) (5.37519 + 0.5), (int) (5.95144 + 0.5), (int) (6.59408 + 0.5), | ||
58 : | (int) (7.31349 + 0.5), (int) (8.12242 + 0.5), | ||
59 : | (int) (9.03669 + 0.5), (int) (10.0763 + 0.5), (int) (11.2669 + 0.5), | ||
60 : | (int) (12.6426 + 0.5), (int) (14.2493 + 0.5), | ||
61 : | (int) (16.1512 + 0.5), (int) (18.442 + 0.5), (int) (21.2656 + 0.5), | ||
62 : | (int) (24.8580 + 0.5), (int) (29.6436 + 0.5), | ||
63 : | (int) (36.4949 + 0.5) | ||
64 : | }; | ||
65 : | chl | 141 | |
66 : | edgomez | 195 | static int32_t *lambda_vec8 = lambda_vec16; /* same table for INTER and INTER4V for now */ |
67 : | chl | 141 | |
68 : | |||
69 : | |||
70 : | Isibaar | 3 | // mv.length table |
71 : | static const uint32_t mvtab[33] = { | ||
72 : | edgomez | 195 | 1, 2, 3, 4, 6, 7, 7, 7, |
73 : | 9, 9, 9, 10, 10, 10, 10, 10, | ||
74 : | 10, 10, 10, 10, 10, 10, 10, 10, | ||
75 : | 10, 11, 11, 11, 11, 11, 11, 12, 12 | ||
76 : | Isibaar | 3 | }; |
77 : | |||
78 : | |||
79 : | edgomez | 195 | static __inline uint32_t |
80 : | mv_bits(int32_t component, | ||
81 : | const uint32_t iFcode) | ||
82 : | Isibaar | 3 | { |
83 : | edgomez | 195 | if (component == 0) |
84 : | Isibaar | 3 | return 1; |
85 : | |||
86 : | edgomez | 195 | if (component < 0) |
87 : | Isibaar | 3 | component = -component; |
88 : | |||
89 : | edgomez | 195 | if (iFcode == 1) { |
90 : | Isibaar | 3 | if (component > 32) |
91 : | edgomez | 195 | component = 32; |
92 : | Isibaar | 3 | |
93 : | return mvtab[component] + 1; | ||
94 : | edgomez | 195 | } |
95 : | Isibaar | 3 | |
96 : | edgomez | 195 | component += (1 << (iFcode - 1)) - 1; |
97 : | component >>= (iFcode - 1); | ||
98 : | Isibaar | 3 | |
99 : | edgomez | 195 | if (component > 32) |
100 : | Isibaar | 3 | component = 32; |
101 : | |||
102 : | edgomez | 195 | return mvtab[component] + 1 + iFcode - 1; |
103 : | Isibaar | 3 | } |
104 : | |||
105 : | |||
106 : | edgomez | 195 | static __inline uint32_t |
107 : | calc_delta_16(const int32_t dx, | ||
108 : | const int32_t dy, | ||
109 : | const uint32_t iFcode, | ||
110 : | const uint32_t iQuant) | ||
111 : | Isibaar | 3 | { |
112 : | edgomez | 195 | return NEIGH_TEND_16X16 * lambda_vec16[iQuant] * (mv_bits(dx, iFcode) + |
113 : | mv_bits(dy, iFcode)); | ||
114 : | Isibaar | 3 | } |
115 : | |||
116 : | edgomez | 195 | static __inline uint32_t |
117 : | calc_delta_8(const int32_t dx, | ||
118 : | const int32_t dy, | ||
119 : | const uint32_t iFcode, | ||
120 : | const uint32_t iQuant) | ||
121 : | Isibaar | 3 | { |
122 : | edgomez | 195 | return NEIGH_TEND_8X8 * lambda_vec8[iQuant] * (mv_bits(dx, iFcode) + |
123 : | mv_bits(dy, iFcode)); | ||
124 : | Isibaar | 3 | } |
125 : | chl | 326 | |
126 : | edgomez | 195 | bool |
127 : | MotionEstimation(MBParam * const pParam, | ||
128 : | FRAMEINFO * const current, | ||
129 : | FRAMEINFO * const reference, | ||
130 : | const IMAGE * const pRefH, | ||
131 : | const IMAGE * const pRefV, | ||
132 : | const IMAGE * const pRefHV, | ||
133 : | const uint32_t iLimit) | ||
134 : | Isibaar | 3 | { |
135 : | edgomez | 78 | const uint32_t iWcount = pParam->mb_width; |
136 : | const uint32_t iHcount = pParam->mb_height; | ||
137 : | edgomez | 195 | MACROBLOCK *const pMBs = current->mbs; |
138 : | MACROBLOCK *const prevMBs = reference->mbs; | ||
139 : | const IMAGE *const pCurrent = ¤t->image; | ||
140 : | const IMAGE *const pRef = &reference->image; | ||
141 : | suxen_drol | 136 | |
142 : | chl | 317 | static const VECTOR zeroMV = { 0, 0 }; |
143 : | chl | 326 | VECTOR predMV; |
144 : | chl | 184 | |
145 : | chl | 172 | int32_t x, y; |
146 : | int32_t iIntra = 0; | ||
147 : | VECTOR pmv; | ||
148 : | suxen_drol | 136 | |
149 : | chl | 184 | if (sadInit) |
150 : | edgomez | 195 | (*sadInit) (); |
151 : | |||
152 : | chl | 259 | for (y = 0; y < iHcount; y++) { |
153 : | for (x = 0; x < iWcount; x ++) { | ||
154 : | |||
155 : | edgomez | 195 | MACROBLOCK *const pMB = &pMBs[x + y * iWcount]; |
156 : | Isibaar | 3 | |
157 : | chl | 370 | if (pMB->mode == MODE_NOT_CODED) |
158 : | continue; | ||
159 : | |||
160 : | chl | 326 | predMV = get_pmv2(pMBs, pParam->mb_width, 0, x, y, 0); |
161 : | |||
162 : | edgomez | 195 | pMB->sad16 = |
163 : | chl | 326 | SEARCH16(pRef->y, pRefH->y, pRefV->y, pRefHV->y, pCurrent, |
164 : | x, y, predMV.x, predMV.y, predMV.x, predMV.y, | ||
165 : | current->motion_flags, current->quant, | ||
166 : | edgomez | 195 | current->fcode, pParam, pMBs, prevMBs, &pMB->mv16, |
167 : | &pMB->pmvs[0]); | ||
168 : | chl | 184 | |
169 : | edgomez | 195 | if (0 < (pMB->sad16 - MV16_INTER_BIAS)) { |
170 : | chl | 172 | int32_t deviation; |
171 : | chl | 184 | |
172 : | edgomez | 195 | deviation = |
173 : | dev16(pCurrent->y + x * 16 + y * 16 * pParam->edged_width, | ||
174 : | pParam->edged_width); | ||
175 : | |||
176 : | if (deviation < (pMB->sad16 - MV16_INTER_BIAS)) { | ||
177 : | chl | 172 | pMB->mode = MODE_INTRA; |
178 : | edgomez | 195 | pMB->mv16 = pMB->mvs[0] = pMB->mvs[1] = pMB->mvs[2] = |
179 : | pMB->mvs[3] = zeroMV; | ||
180 : | pMB->sad16 = pMB->sad8[0] = pMB->sad8[1] = pMB->sad8[2] = | ||
181 : | pMB->sad8[3] = 0; | ||
182 : | |||
183 : | chl | 172 | iIntra++; |
184 : | if (iIntra >= iLimit) | ||
185 : | edgomez | 195 | return 1; |
186 : | |||
187 : | chl | 172 | continue; |
188 : | } | ||
189 : | edgomez | 195 | } |
190 : | |||
191 : | chl | 184 | pmv = pMB->pmvs[0]; |
192 : | if (current->global_flags & XVID_INTER4V) | ||
193 : | edgomez | 195 | if ((!(current->global_flags & XVID_LUMIMASKING) || |
194 : | pMB->dquant == NO_CHANGE)) { | ||
195 : | int32_t sad8 = IMV16X16 * current->quant; | ||
196 : | |||
197 : | chl | 326 | if (sad8 < pMB->sad16) { |
198 : | edgomez | 195 | sad8 += pMB->sad8[0] = |
199 : | SEARCH8(pRef->y, pRefH->y, pRefV->y, pRefHV->y, | ||
200 : | chl | 326 | pCurrent, 2 * x, 2 * y, |
201 : | pMB->mv16.x, pMB->mv16.y, predMV.x, predMV.y, | ||
202 : | current->motion_flags, | ||
203 : | edgomez | 195 | current->quant, current->fcode, pParam, |
204 : | pMBs, prevMBs, &pMB->mvs[0], | ||
205 : | &pMB->pmvs[0]); | ||
206 : | chl | 326 | } |
207 : | if (sad8 < pMB->sad16) { | ||
208 : | edgomez | 195 | |
209 : | chl | 326 | predMV = get_pmv2(pMBs, pParam->mb_width, 0, x, y, 1); |
210 : | edgomez | 195 | sad8 += pMB->sad8[1] = |
211 : | SEARCH8(pRef->y, pRefH->y, pRefV->y, pRefHV->y, | ||
212 : | chl | 326 | pCurrent, 2 * x + 1, 2 * y, |
213 : | pMB->mv16.x, pMB->mv16.y, predMV.x, predMV.y, | ||
214 : | current->motion_flags, | ||
215 : | edgomez | 195 | current->quant, current->fcode, pParam, |
216 : | pMBs, prevMBs, &pMB->mvs[1], | ||
217 : | &pMB->pmvs[1]); | ||
218 : | chl | 326 | } |
219 : | if (sad8 < pMB->sad16) { | ||
220 : | predMV = get_pmv2(pMBs, pParam->mb_width, 0, x, y, 2); | ||
221 : | edgomez | 195 | sad8 += pMB->sad8[2] = |
222 : | SEARCH8(pRef->y, pRefH->y, pRefV->y, pRefHV->y, | ||
223 : | chl | 326 | pCurrent, 2 * x, 2 * y + 1, |
224 : | pMB->mv16.x, pMB->mv16.y, predMV.x, predMV.y, | ||
225 : | current->motion_flags, | ||
226 : | edgomez | 195 | current->quant, current->fcode, pParam, |
227 : | pMBs, prevMBs, &pMB->mvs[2], | ||
228 : | &pMB->pmvs[2]); | ||
229 : | chl | 326 | } |
230 : | if (sad8 < pMB->sad16) { | ||
231 : | predMV = get_pmv2(pMBs, pParam->mb_width, 0, x, y, 3); | ||
232 : | edgomez | 195 | sad8 += pMB->sad8[3] = |
233 : | SEARCH8(pRef->y, pRefH->y, pRefV->y, pRefHV->y, | ||
234 : | pCurrent, 2 * x + 1, 2 * y + 1, | ||
235 : | chl | 326 | pMB->mv16.x, pMB->mv16.y, predMV.x, predMV.y, |
236 : | current->motion_flags, | ||
237 : | current->quant, current->fcode, pParam, | ||
238 : | pMBs, prevMBs, | ||
239 : | &pMB->mvs[3], | ||
240 : | &pMB->pmvs[3]); | ||
241 : | } | ||
242 : | |||
243 : | chl | 184 | /* decide: MODE_INTER or MODE_INTER4V |
244 : | edgomez | 195 | mpeg4: if (sad8 < pMB->sad16 - nb/2+1) use_inter4v |
245 : | */ | ||
246 : | |||
247 : | if (sad8 < pMB->sad16) { | ||
248 : | chl | 175 | pMB->mode = MODE_INTER4V; |
249 : | edgomez | 195 | pMB->sad8[0] *= 4; |
250 : | chl | 175 | pMB->sad8[1] *= 4; |
251 : | pMB->sad8[2] *= 4; | ||
252 : | pMB->sad8[3] *= 4; | ||
253 : | continue; | ||
254 : | } | ||
255 : | |||
256 : | edgomez | 195 | } |
257 : | |||
258 : | pMB->mode = MODE_INTER; | ||
259 : | pMB->pmvs[0] = pmv; /* pMB->pmvs[1] = pMB->pmvs[2] = pMB->pmvs[3] are not needed for INTER */ | ||
260 : | pMB->mvs[0] = pMB->mvs[1] = pMB->mvs[2] = pMB->mvs[3] = pMB->mv16; | ||
261 : | pMB->sad8[0] = pMB->sad8[1] = pMB->sad8[2] = pMB->sad8[3] = | ||
262 : | pMB->sad16; | ||
263 : | chl | 259 | } |
264 : | } | ||
265 : | edgomez | 195 | |
266 : | return 0; | ||
267 : | Isibaar | 3 | } |
268 : | |||
269 : | chl | 326 | |
270 : | Isibaar | 3 | #define CHECK_MV16_ZERO {\ |
271 : | if ( (0 <= max_dx) && (0 >= min_dx) \ | ||
272 : | && (0 <= max_dy) && (0 >= min_dy) ) \ | ||
273 : | { \ | ||
274 : | iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, 0, 0 , iEdgedWidth), iEdgedWidth, MV_MAX_ERROR); \ | ||
275 : | chl | 326 | iSAD += calc_delta_16(-center_x, -center_y, (uint8_t)iFcode, iQuant);\ |
276 : | Isibaar | 3 | if (iSAD < iMinSAD) \ |
277 : | { iMinSAD=iSAD; currMV->x=0; currMV->y=0; } } \ | ||
278 : | } | ||
279 : | |||
280 : | chl | 96 | #define NOCHECK_MV16_CANDIDATE(X,Y) { \ |
281 : | iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, X, Y, iEdgedWidth),iEdgedWidth, iMinSAD); \ | ||
282 : | chl | 326 | iSAD += calc_delta_16((X) - center_x, (Y) - center_y, (uint8_t)iFcode, iQuant);\ |
283 : | chl | 96 | if (iSAD < iMinSAD) \ |
284 : | { iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); } \ | ||
285 : | } | ||
286 : | Isibaar | 3 | |
287 : | #define CHECK_MV16_CANDIDATE(X,Y) { \ | ||
288 : | if ( ((X) <= max_dx) && ((X) >= min_dx) \ | ||
289 : | && ((Y) <= max_dy) && ((Y) >= min_dy) ) \ | ||
290 : | { \ | ||
291 : | iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, X, Y, iEdgedWidth),iEdgedWidth, iMinSAD); \ | ||
292 : | chl | 326 | iSAD += calc_delta_16((X) - center_x, (Y) - center_y, (uint8_t)iFcode, iQuant);\ |
293 : | Isibaar | 3 | if (iSAD < iMinSAD) \ |
294 : | { iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); } } \ | ||
295 : | } | ||
296 : | |||
297 : | #define CHECK_MV16_CANDIDATE_DIR(X,Y,D) { \ | ||
298 : | if ( ((X) <= max_dx) && ((X) >= min_dx) \ | ||
299 : | && ((Y) <= max_dy) && ((Y) >= min_dy) ) \ | ||
300 : | { \ | ||
301 : | iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, X, Y, iEdgedWidth),iEdgedWidth, iMinSAD); \ | ||
302 : | chl | 326 | iSAD += calc_delta_16((X) - center_x, (Y) - center_y, (uint8_t)iFcode, iQuant);\ |
303 : | Isibaar | 3 | if (iSAD < iMinSAD) \ |
304 : | { iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); iDirection=(D); } } \ | ||
305 : | } | ||
306 : | |||
307 : | #define CHECK_MV16_CANDIDATE_FOUND(X,Y,D) { \ | ||
308 : | if ( ((X) <= max_dx) && ((X) >= min_dx) \ | ||
309 : | && ((Y) <= max_dy) && ((Y) >= min_dy) ) \ | ||
310 : | { \ | ||
311 : | iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, X, Y, iEdgedWidth),iEdgedWidth, iMinSAD); \ | ||
312 : | chl | 326 | iSAD += calc_delta_16((X) - center_x, (Y) - center_y, (uint8_t)iFcode, iQuant);\ |
313 : | Isibaar | 3 | if (iSAD < iMinSAD) \ |
314 : | { iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); iDirection=(D); iFound=0; } } \ | ||
315 : | } | ||
316 : | |||
317 : | |||
318 : | #define CHECK_MV8_ZERO {\ | ||
319 : | iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, 0, 0 , iEdgedWidth), iEdgedWidth); \ | ||
320 : | chl | 326 | iSAD += calc_delta_8(-center_x, -center_y, (uint8_t)iFcode, iQuant);\ |
321 : | Isibaar | 3 | if (iSAD < iMinSAD) \ |
322 : | { iMinSAD=iSAD; currMV->x=0; currMV->y=0; } \ | ||
323 : | } | ||
324 : | edgomez | 195 | |
325 : | chl | 96 | #define NOCHECK_MV8_CANDIDATE(X,Y) \ |
326 : | { \ | ||
327 : | iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, (X), (Y), iEdgedWidth),iEdgedWidth); \ | ||
328 : | chl | 326 | iSAD += calc_delta_8((X)-center_x, (Y)-center_y, (uint8_t)iFcode, iQuant);\ |
329 : | chl | 96 | if (iSAD < iMinSAD) \ |
330 : | { iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); } \ | ||
331 : | } | ||
332 : | Isibaar | 3 | |
333 : | #define CHECK_MV8_CANDIDATE(X,Y) { \ | ||
334 : | if ( ((X) <= max_dx) && ((X) >= min_dx) \ | ||
335 : | && ((Y) <= max_dy) && ((Y) >= min_dy) ) \ | ||
336 : | { \ | ||
337 : | iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, (X), (Y), iEdgedWidth),iEdgedWidth); \ | ||
338 : | chl | 326 | iSAD += calc_delta_8((X)-center_x, (Y)-center_y, (uint8_t)iFcode, iQuant);\ |
339 : | Isibaar | 3 | if (iSAD < iMinSAD) \ |
340 : | { iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); } } \ | ||
341 : | } | ||
342 : | |||
343 : | #define CHECK_MV8_CANDIDATE_DIR(X,Y,D) { \ | ||
344 : | if ( ((X) <= max_dx) && ((X) >= min_dx) \ | ||
345 : | && ((Y) <= max_dy) && ((Y) >= min_dy) ) \ | ||
346 : | { \ | ||
347 : | iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, (X), (Y), iEdgedWidth),iEdgedWidth); \ | ||
348 : | chl | 326 | iSAD += calc_delta_8((X)-center_x, (Y)-center_y, (uint8_t)iFcode, iQuant);\ |
349 : | Isibaar | 3 | if (iSAD < iMinSAD) \ |
350 : | { iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); iDirection=(D); } } \ | ||
351 : | } | ||
352 : | |||
353 : | #define CHECK_MV8_CANDIDATE_FOUND(X,Y,D) { \ | ||
354 : | if ( ((X) <= max_dx) && ((X) >= min_dx) \ | ||
355 : | && ((Y) <= max_dy) && ((Y) >= min_dy) ) \ | ||
356 : | { \ | ||
357 : | iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, (X), (Y), iEdgedWidth),iEdgedWidth); \ | ||
358 : | chl | 326 | iSAD += calc_delta_8((X)-center_x, (Y)-center_y, (uint8_t)iFcode, iQuant);\ |
359 : | Isibaar | 3 | if (iSAD < iMinSAD) \ |
360 : | { iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); iDirection=(D); iFound=0; } } \ | ||
361 : | } | ||
362 : | |||
363 : | /* too slow and not fully functional at the moment */ | ||
364 : | /* | ||
365 : | int32_t ZeroSearch16( | ||
366 : | const uint8_t * const pRef, | ||
367 : | const uint8_t * const pRefH, | ||
368 : | const uint8_t * const pRefV, | ||
369 : | const uint8_t * const pRefHV, | ||
370 : | const IMAGE * const pCur, | ||
371 : | const int x, const int y, | ||
372 : | const uint32_t MotionFlags, | ||
373 : | suxen_drol | 136 | const uint32_t iQuant, |
374 : | const uint32_t iFcode, | ||
375 : | Isibaar | 3 | MBParam * const pParam, |
376 : | suxen_drol | 136 | const MACROBLOCK * const pMBs, |
377 : | const MACROBLOCK * const prevMBs, | ||
378 : | Isibaar | 3 | VECTOR * const currMV, |
379 : | VECTOR * const currPMV) | ||
380 : | { | ||
381 : | const int32_t iEdgedWidth = pParam->edged_width; | ||
382 : | const uint8_t * cur = pCur->y + x*16 + y*16*iEdgedWidth; | ||
383 : | int32_t iSAD; | ||
384 : | suxen_drol | 254 | VECTOR pred; |
385 : | |||
386 : | Isibaar | 3 | |
387 : | suxen_drol | 254 | pred = get_pmv2(pMBs, pParam->mb_width, 0, x, y, 0); |
388 : | Isibaar | 3 | |
389 : | iSAD = sad16( cur, | ||
390 : | get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, 0,0, iEdgedWidth), | ||
391 : | iEdgedWidth, MV_MAX_ERROR); | ||
392 : | if (iSAD <= iQuant * 96) | ||
393 : | iSAD -= MV16_00_BIAS; | ||
394 : | |||
395 : | currMV->x = 0; | ||
396 : | currMV->y = 0; | ||
397 : | suxen_drol | 254 | currPMV->x = -pred.x; |
398 : | currPMV->y = -pred.y; | ||
399 : | Isibaar | 3 | |
400 : | return iSAD; | ||
401 : | |||
402 : | } | ||
403 : | */ | ||
404 : | |||
405 : | edgomez | 195 | int32_t |
406 : | Diamond16_MainSearch(const uint8_t * const pRef, | ||
407 : | const uint8_t * const pRefH, | ||
408 : | const uint8_t * const pRefV, | ||
409 : | const uint8_t * const pRefHV, | ||
410 : | const uint8_t * const cur, | ||
411 : | const int x, | ||
412 : | const int y, | ||
413 : | chl | 326 | const int start_x, |
414 : | const int start_y, | ||
415 : | int iMinSAD, | ||
416 : | VECTOR * const currMV, | ||
417 : | const int center_x, | ||
418 : | const int center_y, | ||
419 : | edgomez | 195 | const int32_t min_dx, |
420 : | const int32_t max_dx, | ||
421 : | const int32_t min_dy, | ||
422 : | const int32_t max_dy, | ||
423 : | const int32_t iEdgedWidth, | ||
424 : | const int32_t iDiamondSize, | ||
425 : | const int32_t iFcode, | ||
426 : | const int32_t iQuant, | ||
427 : | int iFound) | ||
428 : | Isibaar | 3 | { |
429 : | /* Do a diamond search around given starting point, return SAD of best */ | ||
430 : | |||
431 : | edgomez | 195 | int32_t iDirection = 0; |
432 : | chl | 344 | int32_t iDirectionBackup; |
433 : | Isibaar | 3 | int32_t iSAD; |
434 : | VECTOR backupMV; | ||
435 : | edgomez | 195 | |
436 : | chl | 326 | backupMV.x = start_x; |
437 : | backupMV.y = start_y; | ||
438 : | edgomez | 195 | |
439 : | Isibaar | 3 | /* It's one search with full Diamond pattern, and only 3 of 4 for all following diamonds */ |
440 : | |||
441 : | edgomez | 195 | CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, backupMV.y, 1); |
442 : | CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, backupMV.y, 2); | ||
443 : | CHECK_MV16_CANDIDATE_DIR(backupMV.x, backupMV.y - iDiamondSize, 3); | ||
444 : | CHECK_MV16_CANDIDATE_DIR(backupMV.x, backupMV.y + iDiamondSize, 4); | ||
445 : | Isibaar | 3 | |
446 : | chl | 344 | if (iDirection) { |
447 : | edgomez | 195 | while (!iFound) { |
448 : | iFound = 1; | ||
449 : | backupMV = *currMV; | ||
450 : | chl | 344 | iDirectionBackup = iDirection; |
451 : | edgomez | 195 | |
452 : | chl | 344 | if (iDirectionBackup != 2) |
453 : | edgomez | 195 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
454 : | backupMV.y, 1); | ||
455 : | chl | 344 | if (iDirectionBackup != 1) |
456 : | edgomez | 195 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
457 : | backupMV.y, 2); | ||
458 : | chl | 344 | if (iDirectionBackup != 4) |
459 : | edgomez | 195 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x, |
460 : | backupMV.y - iDiamondSize, 3); | ||
461 : | chl | 344 | if (iDirectionBackup != 3) |
462 : | edgomez | 195 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x, |
463 : | backupMV.y + iDiamondSize, 4); | ||
464 : | chl | 344 | } |
465 : | edgomez | 195 | } else { |
466 : | chl | 326 | currMV->x = start_x; |
467 : | currMV->y = start_y; | ||
468 : | edgomez | 78 | } |
469 : | Isibaar | 3 | return iMinSAD; |
470 : | } | ||
471 : | |||
472 : | edgomez | 195 | int32_t |
473 : | Square16_MainSearch(const uint8_t * const pRef, | ||
474 : | chl | 96 | const uint8_t * const pRefH, |
475 : | const uint8_t * const pRefV, | ||
476 : | const uint8_t * const pRefHV, | ||
477 : | const uint8_t * const cur, | ||
478 : | edgomez | 195 | const int x, |
479 : | const int y, | ||
480 : | chl | 326 | const int start_x, |
481 : | const int start_y, | ||
482 : | int iMinSAD, | ||
483 : | VECTOR * const currMV, | ||
484 : | const int center_x, | ||
485 : | const int center_y, | ||
486 : | edgomez | 195 | const int32_t min_dx, |
487 : | const int32_t max_dx, | ||
488 : | const int32_t min_dy, | ||
489 : | const int32_t max_dy, | ||
490 : | const int32_t iEdgedWidth, | ||
491 : | const int32_t iDiamondSize, | ||
492 : | chl | 96 | const int32_t iFcode, |
493 : | const int32_t iQuant, | ||
494 : | int iFound) | ||
495 : | { | ||
496 : | /* Do a square search around given starting point, return SAD of best */ | ||
497 : | |||
498 : | edgomez | 195 | int32_t iDirection = 0; |
499 : | chl | 96 | int32_t iSAD; |
500 : | VECTOR backupMV; | ||
501 : | edgomez | 195 | |
502 : | chl | 326 | backupMV.x = start_x; |
503 : | backupMV.y = start_y; | ||
504 : | edgomez | 195 | |
505 : | chl | 96 | /* It's one search with full square pattern, and new parts for all following diamonds */ |
506 : | |||
507 : | /* new direction are extra, so 1-4 is normal diamond | ||
508 : | 537 | ||
509 : | 1*2 | ||
510 : | 648 | ||
511 : | */ | ||
512 : | |||
513 : | edgomez | 195 | CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, backupMV.y, 1); |
514 : | CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, backupMV.y, 2); | ||
515 : | CHECK_MV16_CANDIDATE_DIR(backupMV.x, backupMV.y - iDiamondSize, 3); | ||
516 : | CHECK_MV16_CANDIDATE_DIR(backupMV.x, backupMV.y + iDiamondSize, 4); | ||
517 : | chl | 96 | |
518 : | edgomez | 195 | CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
519 : | backupMV.y - iDiamondSize, 5); | ||
520 : | CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, | ||
521 : | backupMV.y + iDiamondSize, 6); | ||
522 : | CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, | ||
523 : | backupMV.y - iDiamondSize, 7); | ||
524 : | CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, | ||
525 : | backupMV.y + iDiamondSize, 8); | ||
526 : | chl | 96 | |
527 : | edgomez | 195 | |
528 : | chl | 345 | if (iDirection) { |
529 : | edgomez | 195 | while (!iFound) { |
530 : | iFound = 1; | ||
531 : | backupMV = *currMV; | ||
532 : | chl | 96 | |
533 : | edgomez | 195 | switch (iDirection) { |
534 : | case 1: | ||
535 : | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, | ||
536 : | backupMV.y, 1); | ||
537 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
538 : | edgomez | 195 | backupMV.y - iDiamondSize, 5); |
539 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
540 : | edgomez | 195 | backupMV.y - iDiamondSize, 7); |
541 : | break; | ||
542 : | case 2: | ||
543 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, backupMV.y, |
544 : | edgomez | 195 | 2); |
545 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
546 : | edgomez | 195 | backupMV.y + iDiamondSize, 6); |
547 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
548 : | edgomez | 195 | backupMV.y + iDiamondSize, 8); |
549 : | break; | ||
550 : | |||
551 : | case 3: | ||
552 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x, backupMV.y + iDiamondSize, |
553 : | edgomez | 195 | 4); |
554 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
555 : | edgomez | 195 | backupMV.y - iDiamondSize, 7); |
556 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
557 : | edgomez | 195 | backupMV.y + iDiamondSize, 8); |
558 : | break; | ||
559 : | |||
560 : | case 4: | ||
561 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x, backupMV.y - iDiamondSize, |
562 : | edgomez | 195 | 3); |
563 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
564 : | edgomez | 195 | backupMV.y - iDiamondSize, 5); |
565 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
566 : | edgomez | 195 | backupMV.y + iDiamondSize, 6); |
567 : | break; | ||
568 : | |||
569 : | case 5: | ||
570 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, backupMV.y, |
571 : | edgomez | 195 | 1); |
572 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x, backupMV.y - iDiamondSize, |
573 : | edgomez | 195 | 3); |
574 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
575 : | edgomez | 195 | backupMV.y - iDiamondSize, 5); |
576 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
577 : | edgomez | 195 | backupMV.y + iDiamondSize, 6); |
578 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
579 : | edgomez | 195 | backupMV.y - iDiamondSize, 7); |
580 : | break; | ||
581 : | |||
582 : | case 6: | ||
583 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, backupMV.y, |
584 : | edgomez | 195 | 2); |
585 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x, backupMV.y - iDiamondSize, |
586 : | edgomez | 195 | 3); |
587 : | |||
588 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
589 : | edgomez | 195 | backupMV.y - iDiamondSize, 5); |
590 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
591 : | edgomez | 195 | backupMV.y + iDiamondSize, 6); |
592 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
593 : | edgomez | 195 | backupMV.y + iDiamondSize, 8); |
594 : | |||
595 : | break; | ||
596 : | |||
597 : | case 7: | ||
598 : | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, | ||
599 : | backupMV.y, 1); | ||
600 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x, backupMV.y + iDiamondSize, |
601 : | edgomez | 195 | 4); |
602 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
603 : | edgomez | 195 | backupMV.y - iDiamondSize, 5); |
604 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
605 : | edgomez | 195 | backupMV.y - iDiamondSize, 7); |
606 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
607 : | edgomez | 195 | backupMV.y + iDiamondSize, 8); |
608 : | break; | ||
609 : | |||
610 : | case 8: | ||
611 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, backupMV.y, |
612 : | edgomez | 195 | 2); |
613 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x, backupMV.y + iDiamondSize, |
614 : | edgomez | 195 | 4); |
615 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
616 : | edgomez | 195 | backupMV.y + iDiamondSize, 6); |
617 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
618 : | edgomez | 195 | backupMV.y - iDiamondSize, 7); |
619 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
620 : | edgomez | 195 | backupMV.y + iDiamondSize, 8); |
621 : | break; | ||
622 : | chl | 96 | default: |
623 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, backupMV.y, |
624 : | edgomez | 195 | 1); |
625 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, backupMV.y, |
626 : | edgomez | 195 | 2); |
627 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x, backupMV.y - iDiamondSize, |
628 : | edgomez | 195 | 3); |
629 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x, backupMV.y + iDiamondSize, |
630 : | edgomez | 195 | 4); |
631 : | |||
632 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
633 : | edgomez | 195 | backupMV.y - iDiamondSize, 5); |
634 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
635 : | edgomez | 195 | backupMV.y + iDiamondSize, 6); |
636 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
637 : | edgomez | 195 | backupMV.y - iDiamondSize, 7); |
638 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
639 : | edgomez | 195 | backupMV.y + iDiamondSize, 8); |
640 : | break; | ||
641 : | chl | 96 | } |
642 : | chl | 345 | } |
643 : | edgomez | 195 | } else { |
644 : | chl | 326 | currMV->x = start_x; |
645 : | currMV->y = start_y; | ||
646 : | edgomez | 195 | } |
647 : | chl | 96 | return iMinSAD; |
648 : | } | ||
649 : | |||
650 : | |||
651 : | edgomez | 195 | int32_t |
652 : | Full16_MainSearch(const uint8_t * const pRef, | ||
653 : | const uint8_t * const pRefH, | ||
654 : | const uint8_t * const pRefV, | ||
655 : | const uint8_t * const pRefHV, | ||
656 : | const uint8_t * const cur, | ||
657 : | const int x, | ||
658 : | const int y, | ||
659 : | chl | 326 | const int start_x, |
660 : | const int start_y, | ||
661 : | int iMinSAD, | ||
662 : | VECTOR * const currMV, | ||
663 : | const int center_x, | ||
664 : | const int center_y, | ||
665 : | edgomez | 195 | const int32_t min_dx, |
666 : | const int32_t max_dx, | ||
667 : | const int32_t min_dy, | ||
668 : | const int32_t max_dy, | ||
669 : | const int32_t iEdgedWidth, | ||
670 : | const int32_t iDiamondSize, | ||
671 : | const int32_t iFcode, | ||
672 : | const int32_t iQuant, | ||
673 : | int iFound) | ||
674 : | chl | 96 | { |
675 : | int32_t iSAD; | ||
676 : | edgomez | 195 | int32_t dx, dy; |
677 : | chl | 96 | VECTOR backupMV; |
678 : | edgomez | 195 | |
679 : | chl | 326 | backupMV.x = start_x; |
680 : | backupMV.y = start_y; | ||
681 : | chl | 96 | |
682 : | edgomez | 195 | for (dx = min_dx; dx <= max_dx; dx += iDiamondSize) |
683 : | for (dy = min_dy; dy <= max_dy; dy += iDiamondSize) | ||
684 : | NOCHECK_MV16_CANDIDATE(dx, dy); | ||
685 : | |||
686 : | chl | 96 | return iMinSAD; |
687 : | } | ||
688 : | |||
689 : | edgomez | 195 | int32_t |
690 : | AdvDiamond16_MainSearch(const uint8_t * const pRef, | ||
691 : | const uint8_t * const pRefH, | ||
692 : | const uint8_t * const pRefV, | ||
693 : | const uint8_t * const pRefHV, | ||
694 : | const uint8_t * const cur, | ||
695 : | const int x, | ||
696 : | const int y, | ||
697 : | chl | 326 | int start_x, |
698 : | int start_y, | ||
699 : | int iMinSAD, | ||
700 : | VECTOR * const currMV, | ||
701 : | const int center_x, | ||
702 : | const int center_y, | ||
703 : | edgomez | 195 | const int32_t min_dx, |
704 : | const int32_t max_dx, | ||
705 : | const int32_t min_dy, | ||
706 : | const int32_t max_dy, | ||
707 : | const int32_t iEdgedWidth, | ||
708 : | const int32_t iDiamondSize, | ||
709 : | const int32_t iFcode, | ||
710 : | const int32_t iQuant, | ||
711 : | int iDirection) | ||
712 : | chl | 181 | { |
713 : | |||
714 : | int32_t iSAD; | ||
715 : | |||
716 : | /* directions: 1 - left (x-1); 2 - right (x+1), 4 - up (y-1); 8 - down (y+1) */ | ||
717 : | |||
718 : | edgomez | 195 | if (iDirection) { |
719 : | chl | 326 | CHECK_MV16_CANDIDATE(start_x - iDiamondSize, start_y); |
720 : | CHECK_MV16_CANDIDATE(start_x + iDiamondSize, start_y); | ||
721 : | CHECK_MV16_CANDIDATE(start_x, start_y - iDiamondSize); | ||
722 : | CHECK_MV16_CANDIDATE(start_x, start_y + iDiamondSize); | ||
723 : | edgomez | 195 | } else { |
724 : | int bDirection = 1 + 2 + 4 + 8; | ||
725 : | |||
726 : | do { | ||
727 : | chl | 181 | iDirection = 0; |
728 : | edgomez | 195 | 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) |
729 : | chl | 326 | CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, start_y, 1); |
730 : | chl | 181 | |
731 : | edgomez | 195 | if (bDirection & 2) |
732 : | chl | 326 | CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, start_y, 2); |
733 : | chl | 181 | |
734 : | edgomez | 195 | if (bDirection & 4) |
735 : | chl | 326 | CHECK_MV16_CANDIDATE_DIR(start_x, start_y - iDiamondSize, 4); |
736 : | chl | 181 | |
737 : | edgomez | 195 | if (bDirection & 8) |
738 : | chl | 326 | CHECK_MV16_CANDIDATE_DIR(start_x, start_y + iDiamondSize, 8); |
739 : | chl | 181 | |
740 : | /* now we're doing diagonal checks near our candidate */ | ||
741 : | |||
742 : | edgomez | 195 | if (iDirection) //checking if anything found |
743 : | chl | 181 | { |
744 : | bDirection = iDirection; | ||
745 : | iDirection = 0; | ||
746 : | chl | 326 | start_x = currMV->x; |
747 : | start_y = currMV->y; | ||
748 : | edgomez | 195 | if (bDirection & 3) //our candidate is left or right |
749 : | chl | 181 | { |
750 : | chl | 326 | CHECK_MV16_CANDIDATE_DIR(start_x, start_y + iDiamondSize, 8); |
751 : | CHECK_MV16_CANDIDATE_DIR(start_x, start_y - iDiamondSize, 4); | ||
752 : | edgomez | 195 | } else // what remains here is up or down |
753 : | chl | 181 | { |
754 : | chl | 326 | CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, start_y, 2); |
755 : | CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, start_y, 1); | ||
756 : | chl | 181 | } |
757 : | |||
758 : | edgomez | 195 | if (iDirection) { |
759 : | bDirection += iDirection; | ||
760 : | chl | 326 | start_x = currMV->x; |
761 : | start_y = currMV->y; | ||
762 : | chl | 181 | } |
763 : | edgomez | 195 | } else //about to quit, eh? not so fast.... |
764 : | chl | 181 | { |
765 : | edgomez | 195 | switch (bDirection) { |
766 : | chl | 181 | case 2: |
767 : | chl | 326 | CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, |
768 : | start_y - iDiamondSize, 2 + 4); | ||
769 : | CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, | ||
770 : | start_y + iDiamondSize, 2 + 8); | ||
771 : | chl | 181 | break; |
772 : | case 1: | ||
773 : | chl | 326 | |
774 : | CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, | ||
775 : | start_y - iDiamondSize, 1 + 4); | ||
776 : | CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, | ||
777 : | start_y + iDiamondSize, 1 + 8); | ||
778 : | chl | 181 | break; |
779 : | edgomez | 195 | case 2 + 4: |
780 : | chl | 326 | CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, |
781 : | start_y - iDiamondSize, 1 + 4); | ||
782 : | CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, | ||
783 : | start_y - iDiamondSize, 2 + 4); | ||
784 : | CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, | ||
785 : | start_y + iDiamondSize, 2 + 8); | ||
786 : | chl | 181 | break; |
787 : | case 4: | ||
788 : | chl | 326 | CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, |
789 : | start_y - iDiamondSize, 2 + 4); | ||
790 : | CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, | ||
791 : | start_y - iDiamondSize, 1 + 4); | ||
792 : | chl | 181 | break; |
793 : | case 8: | ||
794 : | chl | 326 | CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, |
795 : | start_y + iDiamondSize, 2 + 8); | ||
796 : | CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, | ||
797 : | start_y + iDiamondSize, 1 + 8); | ||
798 : | chl | 181 | break; |
799 : | edgomez | 195 | case 1 + 4: |
800 : | chl | 326 | CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, |
801 : | start_y + iDiamondSize, 1 + 8); | ||
802 : | CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, | ||
803 : | start_y - iDiamondSize, 1 + 4); | ||
804 : | CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, | ||
805 : | start_y - iDiamondSize, 2 + 4); | ||
806 : | chl | 181 | break; |
807 : | edgomez | 195 | case 2 + 8: |
808 : | chl | 326 | CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, |
809 : | start_y - iDiamondSize, 1 + 4); | ||
810 : | CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, | ||
811 : | start_y + iDiamondSize, 1 + 8); | ||
812 : | CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, | ||
813 : | start_y + iDiamondSize, 2 + 8); | ||
814 : | chl | 181 | break; |
815 : | edgomez | 195 | case 1 + 8: |
816 : | chl | 326 | CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, |
817 : | start_y - iDiamondSize, 2 + 4); | ||
818 : | CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, | ||
819 : | start_y + iDiamondSize, 2 + 8); | ||
820 : | CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, | ||
821 : | start_y + iDiamondSize, 1 + 8); | ||
822 : | chl | 181 | break; |
823 : | edgomez | 195 | default: //1+2+4+8 == we didn't find anything at all |
824 : | chl | 326 | CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, |
825 : | start_y - iDiamondSize, 1 + 4); | ||
826 : | CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, | ||
827 : | start_y + iDiamondSize, 1 + 8); | ||
828 : | CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, | ||
829 : | start_y - iDiamondSize, 2 + 4); | ||
830 : | CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, | ||
831 : | start_y + iDiamondSize, 2 + 8); | ||
832 : | chl | 181 | break; |
833 : | } | ||
834 : | edgomez | 195 | if (!iDirection) |
835 : | break; //ok, the end. really | ||
836 : | else { | ||
837 : | bDirection = iDirection; | ||
838 : | chl | 326 | start_x = currMV->x; |
839 : | start_y = currMV->y; | ||
840 : | chl | 181 | } |
841 : | } | ||
842 : | } | ||
843 : | edgomez | 195 | while (1); //forever |
844 : | chl | 181 | } |
845 : | return iMinSAD; | ||
846 : | } | ||
847 : | |||
848 : | chl | 346 | #define CHECK_MV16_F_INTERPOL(X,Y) { \ |
849 : | if ( ((X) <= f_max_dx) && ((X) >= f_min_dx) \ | ||
850 : | && ((Y) <= f_max_dy) && ((Y) >= f_min_dy) ) \ | ||
851 : | chl | 326 | { \ |
852 : | chl | 346 | iSAD = sad16bi( cur, \ |
853 : | get_ref(f_pRef, f_pRefH, f_pRefV, f_pRefHV, x, y, 16, X, Y, iEdgedWidth), \ | ||
854 : | get_ref(b_pRef, b_pRefH, b_pRefV, b_pRefHV, x, y, 16, b_currMV->x, b_currMV->y, iEdgedWidth), \ | ||
855 : | iEdgedWidth); \ | ||
856 : | iSAD += calc_delta_16((X) - f_center_x, (Y) - f_center_y, (uint8_t)f_iFcode, iQuant);\ | ||
857 : | iSAD += calc_delta_16(b_currMV->x - b_center_x, b_currMV->y - b_center_y, (uint8_t)b_iFcode, iQuant);\ | ||
858 : | chl | 326 | if (iSAD < iMinSAD) \ |
859 : | chl | 346 | { iMinSAD=iSAD; f_currMV->x=(X); f_currMV->y=(Y); } } \ |
860 : | chl | 326 | } |
861 : | |||
862 : | chl | 346 | #define CHECK_MV16_F_INTERPOL_FOUND(X,Y) { \ |
863 : | if ( ((X) <= f_max_dx) && ((X) >= f_min_dx) \ | ||
864 : | && ((Y) <= f_max_dy) && ((Y) >= f_min_dy) ) \ | ||
865 : | chl | 326 | { \ |
866 : | chl | 346 | iSAD = sad16bi( cur, \ |
867 : | get_ref(f_pRef, f_pRefH, f_pRefV, f_pRefHV, x, y, 16, X, Y, iEdgedWidth), \ | ||
868 : | get_ref(b_pRef, b_pRefH, b_pRefV, b_pRefHV, x, y, 16, b_currMV->x, b_currMV->y, iEdgedWidth), \ | ||
869 : | iEdgedWidth); \ | ||
870 : | iSAD += calc_delta_16((X) - f_center_x, (Y) - f_center_y, (uint8_t)f_iFcode, iQuant);\ | ||
871 : | iSAD += calc_delta_16(b_currMV->x - b_center_x, b_currMV->y - b_center_y, (uint8_t)b_iFcode, iQuant);\ | ||
872 : | chl | 326 | if (iSAD < iMinSAD) \ |
873 : | chl | 346 | { iMinSAD=iSAD; f_currMV->x=(X); f_currMV->y=(Y); iFound=0;} } \ |
874 : | chl | 326 | } |
875 : | |||
876 : | chl | 346 | #define CHECK_MV16_B_INTERPOL(X,Y) { \ |
877 : | if ( ((X) <= b_max_dx) && ((X) >= b_min_dx) \ | ||
878 : | && ((Y) <= b_max_dy) && ((Y) >= b_min_dy) ) \ | ||
879 : | chl | 326 | { \ |
880 : | chl | 346 | iSAD = sad16bi( cur, \ |
881 : | get_ref(f_pRef, f_pRefH, f_pRefV, f_pRefHV, x, y, 16, f_currMV->x, f_currMV->y, iEdgedWidth), \ | ||
882 : | get_ref(b_pRef, b_pRefH, b_pRefV, b_pRefHV, x, y, 16, X, Y, iEdgedWidth), \ | ||
883 : | iEdgedWidth); \ | ||
884 : | iSAD += calc_delta_16(f_currMV->x - f_center_x, f_currMV->y - f_center_y, (uint8_t)f_iFcode, iQuant);\ | ||
885 : | iSAD += calc_delta_16((X) - b_center_x, (Y) - b_center_y, (uint8_t)b_iFcode, iQuant);\ | ||
886 : | chl | 326 | if (iSAD < iMinSAD) \ |
887 : | chl | 346 | { iMinSAD=iSAD; b_currMV->x=(X); b_currMV->y=(Y); } } \ |
888 : | chl | 326 | } |
889 : | |||
890 : | chl | 346 | #define CHECK_MV16_B_INTERPOL_FOUND(X,Y) { \ |
891 : | if ( ((X) <= b_max_dx) && ((X) >= b_min_dx) \ | ||
892 : | && ((Y) <= b_max_dy) && ((Y) >= b_min_dy) ) \ | ||
893 : | chl | 326 | { \ |
894 : | chl | 346 | iSAD = sad16bi( cur, \ |
895 : | get_ref(f_pRef, f_pRefH, f_pRefV, f_pRefHV, x, y, 16, f_currMV->x, f_currMV->y, iEdgedWidth), \ | ||
896 : | get_ref(b_pRef, b_pRefH, b_pRefV, b_pRefHV, x, y, 16, X, Y, iEdgedWidth), \ | ||
897 : | iEdgedWidth); \ | ||
898 : | iSAD += calc_delta_16(f_currMV->x - f_center_x, f_currMV->y - f_center_y, (uint8_t)f_iFcode, iQuant);\ | ||
899 : | iSAD += calc_delta_16((X) - b_center_x, (Y) - b_center_y, (uint8_t)b_iFcode, iQuant);\ | ||
900 : | chl | 326 | if (iSAD < iMinSAD) \ |
901 : | chl | 346 | { iMinSAD=iSAD; b_currMV->x=(X); b_currMV->y=(Y); iFound=0;} } \ |
902 : | chl | 326 | } |
903 : | |||
904 : | edgomez | 195 | int32_t |
905 : | chl | 326 | Diamond16_InterpolMainSearch( |
906 : | const uint8_t * const f_pRef, | ||
907 : | const uint8_t * const f_pRefH, | ||
908 : | const uint8_t * const f_pRefV, | ||
909 : | const uint8_t * const f_pRefHV, | ||
910 : | chl | 346 | |
911 : | chl | 326 | const uint8_t * const cur, |
912 : | |||
913 : | const uint8_t * const b_pRef, | ||
914 : | const uint8_t * const b_pRefH, | ||
915 : | const uint8_t * const b_pRefV, | ||
916 : | const uint8_t * const b_pRefHV, | ||
917 : | |||
918 : | const int x, | ||
919 : | const int y, | ||
920 : | |||
921 : | const int f_start_x, | ||
922 : | const int f_start_y, | ||
923 : | const int b_start_x, | ||
924 : | const int b_start_y, | ||
925 : | |||
926 : | int iMinSAD, | ||
927 : | VECTOR * const f_currMV, | ||
928 : | VECTOR * const b_currMV, | ||
929 : | |||
930 : | const int f_center_x, | ||
931 : | const int f_center_y, | ||
932 : | const int b_center_x, | ||
933 : | const int b_center_y, | ||
934 : | |||
935 : | chl | 346 | const int32_t f_min_dx, |
936 : | const int32_t f_max_dx, | ||
937 : | const int32_t f_min_dy, | ||
938 : | const int32_t f_max_dy, | ||
939 : | chl | 326 | |
940 : | chl | 346 | const int32_t b_min_dx, |
941 : | const int32_t b_max_dx, | ||
942 : | const int32_t b_min_dy, | ||
943 : | const int32_t b_max_dy, | ||
944 : | chl | 326 | |
945 : | chl | 346 | const int32_t iEdgedWidth, |
946 : | const int32_t iDiamondSize, | ||
947 : | |||
948 : | const int32_t f_iFcode, | ||
949 : | const int32_t b_iFcode, | ||
950 : | |||
951 : | const int32_t iQuant, | ||
952 : | int iFound) | ||
953 : | chl | 326 | { |
954 : | /* Do a diamond search around given starting point, return SAD of best */ | ||
955 : | |||
956 : | int32_t iSAD; | ||
957 : | |||
958 : | VECTOR f_backupMV; | ||
959 : | VECTOR b_backupMV; | ||
960 : | |||
961 : | chl | 346 | f_currMV->x = f_start_x; |
962 : | f_currMV->y = f_start_y; | ||
963 : | b_currMV->x = b_start_x; | ||
964 : | b_currMV->y = b_start_y; | ||
965 : | chl | 326 | |
966 : | chl | 346 | do |
967 : | { | ||
968 : | iFound = 1; | ||
969 : | |||
970 : | f_backupMV = *f_currMV; | ||
971 : | |||
972 : | CHECK_MV16_F_INTERPOL_FOUND(f_backupMV.x - iDiamondSize, f_backupMV.y); | ||
973 : | CHECK_MV16_F_INTERPOL_FOUND(f_backupMV.x + iDiamondSize, f_backupMV.y); | ||
974 : | CHECK_MV16_F_INTERPOL_FOUND(f_backupMV.x, f_backupMV.y - iDiamondSize); | ||
975 : | CHECK_MV16_F_INTERPOL_FOUND(f_backupMV.x, f_backupMV.y + iDiamondSize); | ||
976 : | |||
977 : | b_backupMV = *b_currMV; | ||
978 : | |||
979 : | CHECK_MV16_B_INTERPOL_FOUND(b_backupMV.x - iDiamondSize, b_backupMV.y); | ||
980 : | CHECK_MV16_B_INTERPOL_FOUND(b_backupMV.x + iDiamondSize, b_backupMV.y); | ||
981 : | CHECK_MV16_B_INTERPOL_FOUND(b_backupMV.x, b_backupMV.y - iDiamondSize); | ||
982 : | CHECK_MV16_B_INTERPOL_FOUND(b_backupMV.x, b_backupMV.y + iDiamondSize); | ||
983 : | |||
984 : | } while (!iFound); | ||
985 : | |||
986 : | return iMinSAD; | ||
987 : | } | ||
988 : | |||
989 : | /* Sorry, these MACROS really got too large... I'll turn them into function soon! */ | ||
990 : | |||
991 : | #define CHECK_MV16_DIRECT_FOUND(X,Y) \ | ||
992 : | if ( (X)>=(-32) && (X)<=(31) && ((Y)>=-32) && ((Y)<=31) ) \ | ||
993 : | { int k;\ | ||
994 : | VECTOR mvs,b_mvs; \ | ||
995 : | iSAD = 0;\ | ||
996 : | for (k = 0; k < 4; k++) { \ | ||
997 : | mvs.x = (int32_t) ((TRB * directmv[k].x) / TRD + (X)); \ | ||
998 : | b_mvs.x = (int32_t) (((X) == 0) \ | ||
999 : | ? ((TRB - TRD) * directmv[k].x) / TRD \ | ||
1000 : | : mvs.x - directmv[k].x); \ | ||
1001 : | \ | ||
1002 : | mvs.y = (int32_t) ((TRB * directmv[k].y) / TRD + (Y)); \ | ||
1003 : | b_mvs.y = (int32_t) (((Y) == 0) \ | ||
1004 : | ? ((TRB - TRD) * directmv[k].y) / TRD \ | ||
1005 : | : mvs.y - directmv[k].y); \ | ||
1006 : | \ | ||
1007 : | if ( (mvs.x <= max_dx) && (mvs.x >= min_dx) \ | ||
1008 : | && (mvs.y <= max_dy) && (mvs.y >= min_dy) \ | ||
1009 : | && (b_mvs.x <= max_dx) && (b_mvs.x >= min_dx) \ | ||
1010 : | && (b_mvs.y <= max_dy) && (b_mvs.y >= min_dy) ) { \ | ||
1011 : | iSAD += sad8bi( cur + 8*(k&1) + 8*(k>>1)*iEdgedWidth, \ | ||
1012 : | get_ref(f_pRef, f_pRefH, f_pRefV, f_pRefHV, 2*x+(k&1), 2*y+(k>>1), 8, \ | ||
1013 : | mvs.x, mvs.y, iEdgedWidth), \ | ||
1014 : | get_ref(b_pRef, b_pRefH, b_pRefV, b_pRefHV, 2*x+(k&1), 2*y+(k>>1), 8, \ | ||
1015 : | b_mvs.x, b_mvs.y, iEdgedWidth), \ | ||
1016 : | iEdgedWidth); \ | ||
1017 : | } \ | ||
1018 : | else \ | ||
1019 : | iSAD = 65535; \ | ||
1020 : | } \ | ||
1021 : | iSAD += calc_delta_16((X),(Y), 1, iQuant);\ | ||
1022 : | if (iSAD < iMinSAD) \ | ||
1023 : | { iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); iFound=0; } \ | ||
1024 : | } | ||
1025 : | |||
1026 : | |||
1027 : | |||
1028 : | int32_t | ||
1029 : | Diamond16_DirectMainSearch( | ||
1030 : | const uint8_t * const f_pRef, | ||
1031 : | const uint8_t * const f_pRefH, | ||
1032 : | const uint8_t * const f_pRefV, | ||
1033 : | const uint8_t * const f_pRefHV, | ||
1034 : | |||
1035 : | const uint8_t * const cur, | ||
1036 : | |||
1037 : | const uint8_t * const b_pRef, | ||
1038 : | const uint8_t * const b_pRefH, | ||
1039 : | const uint8_t * const b_pRefV, | ||
1040 : | const uint8_t * const b_pRefHV, | ||
1041 : | |||
1042 : | const int x, | ||
1043 : | const int y, | ||
1044 : | |||
1045 : | const int TRB, | ||
1046 : | const int TRD, | ||
1047 : | |||
1048 : | const int start_x, | ||
1049 : | const int start_y, | ||
1050 : | |||
1051 : | int iMinSAD, | ||
1052 : | VECTOR * const currMV, | ||
1053 : | const VECTOR * const directmv, | ||
1054 : | |||
1055 : | const int32_t min_dx, | ||
1056 : | const int32_t max_dx, | ||
1057 : | const int32_t min_dy, | ||
1058 : | const int32_t max_dy, | ||
1059 : | |||
1060 : | const int32_t iEdgedWidth, | ||
1061 : | const int32_t iDiamondSize, | ||
1062 : | |||
1063 : | const int32_t iQuant, | ||
1064 : | int iFound) | ||
1065 : | { | ||
1066 : | /* Do a diamond search around given starting point, return SAD of best */ | ||
1067 : | |||
1068 : | int32_t iSAD; | ||
1069 : | |||
1070 : | VECTOR backupMV; | ||
1071 : | |||
1072 : | currMV->x = start_x; | ||
1073 : | currMV->y = start_y; | ||
1074 : | |||
1075 : | chl | 326 | /* It's one search with full Diamond pattern, and only 3 of 4 for all following diamonds */ |
1076 : | |||
1077 : | chl | 346 | do |
1078 : | { | ||
1079 : | iFound = 1; | ||
1080 : | |||
1081 : | backupMV = *currMV; | ||
1082 : | |||
1083 : | CHECK_MV16_DIRECT_FOUND(backupMV.x - iDiamondSize, backupMV.y); | ||
1084 : | CHECK_MV16_DIRECT_FOUND(backupMV.x + iDiamondSize, backupMV.y); | ||
1085 : | CHECK_MV16_DIRECT_FOUND(backupMV.x, backupMV.y - iDiamondSize); | ||
1086 : | CHECK_MV16_DIRECT_FOUND(backupMV.x, backupMV.y + iDiamondSize); | ||
1087 : | chl | 326 | |
1088 : | chl | 346 | } while (!iFound); |
1089 : | chl | 326 | |
1090 : | return iMinSAD; | ||
1091 : | } | ||
1092 : | |||
1093 : | |||
1094 : | int32_t | ||
1095 : | edgomez | 195 | AdvDiamond8_MainSearch(const uint8_t * const pRef, |
1096 : | const uint8_t * const pRefH, | ||
1097 : | const uint8_t * const pRefV, | ||
1098 : | const uint8_t * const pRefHV, | ||
1099 : | const uint8_t * const cur, | ||
1100 : | const int x, | ||
1101 : | const int y, | ||
1102 : | chl | 326 | int start_x, |
1103 : | int start_y, | ||
1104 : | int iMinSAD, | ||
1105 : | edgomez | 195 | VECTOR * const currMV, |
1106 : | chl | 326 | const int center_x, |
1107 : | const int center_y, | ||
1108 : | edgomez | 195 | const int32_t min_dx, |
1109 : | const int32_t max_dx, | ||
1110 : | const int32_t min_dy, | ||
1111 : | const int32_t max_dy, | ||
1112 : | const int32_t iEdgedWidth, | ||
1113 : | const int32_t iDiamondSize, | ||
1114 : | const int32_t iFcode, | ||
1115 : | const int32_t iQuant, | ||
1116 : | int iDirection) | ||
1117 : | chl | 181 | { |
1118 : | |||
1119 : | int32_t iSAD; | ||
1120 : | |||
1121 : | /* directions: 1 - left (x-1); 2 - right (x+1), 4 - up (y-1); 8 - down (y+1) */ | ||
1122 : | |||
1123 : | edgomez | 195 | if (iDirection) { |
1124 : | chl | 326 | CHECK_MV8_CANDIDATE(start_x - iDiamondSize, start_y); |
1125 : | CHECK_MV8_CANDIDATE(start_x + iDiamondSize, start_y); | ||
1126 : | CHECK_MV8_CANDIDATE(start_x, start_y - iDiamondSize); | ||
1127 : | CHECK_MV8_CANDIDATE(start_x, start_y + iDiamondSize); | ||
1128 : | edgomez | 195 | } else { |
1129 : | int bDirection = 1 + 2 + 4 + 8; | ||
1130 : | |||
1131 : | do { | ||
1132 : | chl | 181 | iDirection = 0; |
1133 : | edgomez | 195 | 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) |
1134 : | chl | 326 | CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, start_y, 1); |
1135 : | chl | 181 | |
1136 : | edgomez | 195 | if (bDirection & 2) |
1137 : | chl | 326 | CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, start_y, 2); |
1138 : | chl | 181 | |
1139 : | edgomez | 195 | if (bDirection & 4) |
1140 : | chl | 326 | CHECK_MV8_CANDIDATE_DIR(start_x, start_y - iDiamondSize, 4); |
1141 : | chl | 181 | |
1142 : | edgomez | 195 | if (bDirection & 8) |
1143 : | chl | 326 | CHECK_MV8_CANDIDATE_DIR(start_x, start_y + iDiamondSize, 8); |
1144 : | chl | 181 | |
1145 : | /* now we're doing diagonal checks near our candidate */ | ||
1146 : | |||
1147 : | edgomez | 195 | if (iDirection) //checking if anything found |
1148 : | chl | 181 | { |
1149 : | bDirection = iDirection; | ||
1150 : | iDirection = 0; | ||
1151 : | chl | 326 | start_x = currMV->x; |
1152 : | start_y = currMV->y; | ||
1153 : | edgomez | 195 | if (bDirection & 3) //our candidate is left or right |
1154 : | chl | 181 | { |
1155 : | chl | 326 | CHECK_MV8_CANDIDATE_DIR(start_x, start_y + iDiamondSize, 8); |
1156 : | CHECK_MV8_CANDIDATE_DIR(start_x, start_y - iDiamondSize, 4); | ||
1157 : | edgomez | 195 | } else // what remains here is up or down |
1158 : | chl | 181 | { |
1159 : | chl | 326 | CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, start_y, 2); |
1160 : | CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, start_y, 1); | ||
1161 : | chl | 181 | } |
1162 : | |||
1163 : | edgomez | 195 | if (iDirection) { |
1164 : | bDirection += iDirection; | ||
1165 : | chl | 326 | start_x = currMV->x; |
1166 : | start_y = currMV->y; | ||
1167 : | chl | 181 | } |
1168 : | edgomez | 195 | } else //about to quit, eh? not so fast.... |
1169 : | chl | 181 | { |
1170 : | edgomez | 195 | switch (bDirection) { |
1171 : | chl | 181 | case 2: |
1172 : | chl | 326 | CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, |
1173 : | start_y - iDiamondSize, 2 + 4); | ||
1174 : | CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, | ||
1175 : | start_y + iDiamondSize, 2 + 8); | ||
1176 : | chl | 181 | break; |
1177 : | case 1: | ||
1178 : | chl | 326 | CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, |
1179 : | start_y - iDiamondSize, 1 + 4); | ||
1180 : | CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, | ||
1181 : | start_y + iDiamondSize, 1 + 8); | ||
1182 : | chl | 181 | break; |
1183 : | edgomez | 195 | case 2 + 4: |
1184 : | chl | 326 | CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, |
1185 : | start_y - iDiamondSize, 1 + 4); | ||
1186 : | CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, | ||
1187 : | start_y - iDiamondSize, 2 + 4); | ||
1188 : | CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, | ||
1189 : | start_y + iDiamondSize, 2 + 8); | ||
1190 : | chl | 181 | break; |
1191 : | case 4: | ||
1192 : | chl | 326 | CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, |
1193 : | start_y - iDiamondSize, 2 + 4); | ||
1194 : | CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, | ||
1195 : | start_y - iDiamondSize, 1 + 4); | ||
1196 : | chl | 181 | break; |
1197 : | case 8: | ||
1198 : | chl | 326 | CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, |
1199 : | start_y + iDiamondSize, 2 + 8); | ||
1200 : | CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, | ||
1201 : | start_y + iDiamondSize, 1 + 8); | ||
1202 : | chl | 181 | break; |
1203 : | edgomez | 195 | case 1 + 4: |
1204 : | chl | 326 | CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, |
1205 : | start_y + iDiamondSize, 1 + 8); | ||
1206 : | CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, | ||
1207 : | start_y - iDiamondSize, 1 + 4); | ||
1208 : | CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, | ||
1209 : | start_y - iDiamondSize, 2 + 4); | ||
1210 : | chl | 181 | break; |
1211 : | edgomez | 195 | case 2 + 8: |
1212 : | chl | 326 | CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, |
1213 : | start_y - iDiamondSize, 1 + 4); | ||
1214 : | CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, | ||
1215 : | start_y + iDiamondSize, 1 + 8); | ||
1216 : | CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, | ||
1217 : | start_y + iDiamondSize, 2 + 8); | ||
1218 : | chl | 181 | break; |
1219 : | edgomez | 195 | case 1 + 8: |
1220 : | chl | 326 | CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, |
1221 : | start_y - iDiamondSize, 2 + 4); | ||
1222 : | CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, | ||
1223 : | start_y + iDiamondSize, 2 + 8); | ||
1224 : | CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, | ||
1225 : | start_y + iDiamondSize, 1 + 8); | ||
1226 : | chl | 181 | break; |
1227 : | edgomez | 195 | default: //1+2+4+8 == we didn't find anything at all |
1228 : | chl | 326 | CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, |
1229 : | start_y - iDiamondSize, 1 + 4); | ||
1230 : | CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, | ||
1231 : | start_y + iDiamondSize, 1 + 8); | ||
1232 : | CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, | ||
1233 : | start_y - iDiamondSize, 2 + 4); | ||
1234 : | CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, | ||
1235 : | start_y + iDiamondSize, 2 + 8); | ||
1236 : | chl | 181 | break; |
1237 : | } | ||
1238 : | edgomez | 195 | if (!(iDirection)) |
1239 : | break; //ok, the end. really | ||
1240 : | else { | ||
1241 : | bDirection = iDirection; | ||
1242 : | chl | 326 | start_x = currMV->x; |
1243 : | start_y = currMV->y; | ||
1244 : | chl | 181 | } |
1245 : | } | ||
1246 : | } | ||
1247 : | edgomez | 195 | while (1); //forever |
1248 : | chl | 181 | } |
1249 : | return iMinSAD; | ||
1250 : | } | ||
1251 : | |||
1252 : | |||
1253 : | edgomez | 195 | int32_t |
1254 : | Full8_MainSearch(const uint8_t * const pRef, | ||
1255 : | const uint8_t * const pRefH, | ||
1256 : | const uint8_t * const pRefV, | ||
1257 : | const uint8_t * const pRefHV, | ||
1258 : | const uint8_t * const cur, | ||
1259 : | const int x, | ||
1260 : | const int y, | ||
1261 : | chl | 326 | const int start_x, |
1262 : | const int start_y, | ||
1263 : | int iMinSAD, | ||
1264 : | VECTOR * const currMV, | ||
1265 : | const int center_x, | ||
1266 : | const int center_y, | ||
1267 : | edgomez | 195 | const int32_t min_dx, |
1268 : | const int32_t max_dx, | ||
1269 : | const int32_t min_dy, | ||
1270 : | const int32_t max_dy, | ||
1271 : | const int32_t iEdgedWidth, | ||
1272 : | const int32_t iDiamondSize, | ||
1273 : | const int32_t iFcode, | ||
1274 : | const int32_t iQuant, | ||
1275 : | int iFound) | ||
1276 : | chl | 96 | { |
1277 : | int32_t iSAD; | ||
1278 : | edgomez | 195 | int32_t dx, dy; |
1279 : | chl | 96 | VECTOR backupMV; |
1280 : | edgomez | 195 | |
1281 : | chl | 326 | backupMV.x = start_x; |
1282 : | backupMV.y = start_y; | ||
1283 : | chl | 96 | |
1284 : | edgomez | 195 | for (dx = min_dx; dx <= max_dx; dx += iDiamondSize) |
1285 : | for (dy = min_dy; dy <= max_dy; dy += iDiamondSize) | ||
1286 : | NOCHECK_MV8_CANDIDATE(dx, dy); | ||
1287 : | |||
1288 : | chl | 96 | return iMinSAD; |
1289 : | } | ||
1290 : | |||
1291 : | ia64p | 300 | Halfpel8_RefineFuncPtr Halfpel8_Refine; |
1292 : | chl | 96 | |
1293 : | edgomez | 195 | int32_t |
1294 : | Halfpel16_Refine(const uint8_t * const pRef, | ||
1295 : | const uint8_t * const pRefH, | ||
1296 : | const uint8_t * const pRefV, | ||
1297 : | const uint8_t * const pRefHV, | ||
1298 : | const uint8_t * const cur, | ||
1299 : | const int x, | ||
1300 : | const int y, | ||
1301 : | VECTOR * const currMV, | ||
1302 : | int32_t iMinSAD, | ||
1303 : | chl | 326 | const int center_x, |
1304 : | const int center_y, | ||
1305 : | edgomez | 195 | const int32_t min_dx, |
1306 : | const int32_t max_dx, | ||
1307 : | const int32_t min_dy, | ||
1308 : | const int32_t max_dy, | ||
1309 : | const int32_t iFcode, | ||
1310 : | const int32_t iQuant, | ||
1311 : | const int32_t iEdgedWidth) | ||
1312 : | Isibaar | 3 | { |
1313 : | /* Do a half-pel refinement (or rather a "smallest possible amount" refinement) */ | ||
1314 : | |||
1315 : | int32_t iSAD; | ||
1316 : | VECTOR backupMV = *currMV; | ||
1317 : | edgomez | 195 | |
1318 : | CHECK_MV16_CANDIDATE(backupMV.x - 1, backupMV.y - 1); | ||
1319 : | CHECK_MV16_CANDIDATE(backupMV.x, backupMV.y - 1); | ||
1320 : | CHECK_MV16_CANDIDATE(backupMV.x + 1, backupMV.y - 1); | ||
1321 : | CHECK_MV16_CANDIDATE(backupMV.x - 1, backupMV.y); | ||
1322 : | CHECK_MV16_CANDIDATE(backupMV.x + 1, backupMV.y); | ||
1323 : | CHECK_MV16_CANDIDATE(backupMV.x - 1, backupMV.y + 1); | ||
1324 : | CHECK_MV16_CANDIDATE(backupMV.x, backupMV.y + 1); | ||
1325 : | CHECK_MV16_CANDIDATE(backupMV.x + 1, backupMV.y + 1); | ||
1326 : | |||
1327 : | Isibaar | 3 | return iMinSAD; |
1328 : | } | ||
1329 : | |||
1330 : | #define PMV_HALFPEL16 (PMV_HALFPELDIAMOND16|PMV_HALFPELREFINE16) | ||
1331 : | |||
1332 : | chl | 96 | |
1333 : | chl | 326 | |
1334 : | edgomez | 195 | int32_t |
1335 : | PMVfastSearch16(const uint8_t * const pRef, | ||
1336 : | const uint8_t * const pRefH, | ||
1337 : | const uint8_t * const pRefV, | ||
1338 : | const uint8_t * const pRefHV, | ||
1339 : | const IMAGE * const pCur, | ||
1340 : | const int x, | ||
1341 : | const int y, | ||
1342 : | chl | 346 | const int start_x, /* start is searched first, so it should contain the most */ |
1343 : | const int start_y, /* likely motion vector for this block */ | ||
1344 : | const int center_x, /* center is from where length of MVs is measured */ | ||
1345 : | chl | 326 | const int center_y, |
1346 : | edgomez | 195 | const uint32_t MotionFlags, |
1347 : | const uint32_t iQuant, | ||
1348 : | const uint32_t iFcode, | ||
1349 : | const MBParam * const pParam, | ||
1350 : | const MACROBLOCK * const pMBs, | ||
1351 : | const MACROBLOCK * const prevMBs, | ||
1352 : | VECTOR * const currMV, | ||
1353 : | VECTOR * const currPMV) | ||
1354 : | Isibaar | 3 | { |
1355 : | edgomez | 195 | const uint32_t iWcount = pParam->mb_width; |
1356 : | Isibaar | 3 | const int32_t iWidth = pParam->width; |
1357 : | const int32_t iHeight = pParam->height; | ||
1358 : | edgomez | 195 | const int32_t iEdgedWidth = pParam->edged_width; |
1359 : | Isibaar | 3 | |
1360 : | edgomez | 195 | const uint8_t *cur = pCur->y + x * 16 + y * 16 * iEdgedWidth; |
1361 : | Isibaar | 3 | |
1362 : | int32_t iDiamondSize; | ||
1363 : | edgomez | 195 | |
1364 : | Isibaar | 3 | int32_t min_dx; |
1365 : | int32_t max_dx; | ||
1366 : | int32_t min_dy; | ||
1367 : | int32_t max_dy; | ||
1368 : | edgomez | 195 | |
1369 : | Isibaar | 3 | int32_t iFound; |
1370 : | |||
1371 : | VECTOR newMV; | ||
1372 : | edgomez | 195 | VECTOR backupMV; /* just for PMVFAST */ |
1373 : | |||
1374 : | Isibaar | 3 | VECTOR pmv[4]; |
1375 : | int32_t psad[4]; | ||
1376 : | chl | 181 | |
1377 : | MainSearch16FuncPtr MainSearchPtr; | ||
1378 : | Isibaar | 3 | |
1379 : | edgomez | 195 | const MACROBLOCK *const prevMB = prevMBs + x + y * iWcount; |
1380 : | Isibaar | 3 | |
1381 : | chl | 259 | int32_t threshA, threshB; |
1382 : | edgomez | 195 | int32_t bPredEq; |
1383 : | int32_t iMinSAD, iSAD; | ||
1384 : | |||
1385 : | Isibaar | 3 | /* Get maximum range */ |
1386 : | edgomez | 195 | get_range(&min_dx, &max_dx, &min_dy, &max_dy, x, y, 16, iWidth, iHeight, |
1387 : | iFcode); | ||
1388 : | Isibaar | 3 | |
1389 : | /* we work with abs. MVs, not relative to prediction, so get_range is called relative to 0,0 */ | ||
1390 : | |||
1391 : | edgomez | 195 | if (!(MotionFlags & PMV_HALFPEL16)) { |
1392 : | min_dx = EVEN(min_dx); | ||
1393 : | max_dx = EVEN(max_dx); | ||
1394 : | min_dy = EVEN(min_dy); | ||
1395 : | max_dy = EVEN(max_dy); | ||
1396 : | } | ||
1397 : | Isibaar | 3 | |
1398 : | edgomez | 195 | /* because we might use something like IF (dx>max_dx) THEN dx=max_dx; */ |
1399 : | chl | 285 | //bPredEq = get_pmvdata(pMBs, x, y, iWcount, 0, pmv, psad); |
1400 : | bPredEq = get_pmvdata2(pMBs, iWcount, 0, x, y, 0, pmv, psad); | ||
1401 : | Isibaar | 3 | |
1402 : | edgomez | 195 | if ((x == 0) && (y == 0)) { |
1403 : | threshA = 512; | ||
1404 : | Isibaar | 3 | threshB = 1024; |
1405 : | edgomez | 195 | } else { |
1406 : | Isibaar | 3 | threshA = psad[0]; |
1407 : | edgomez | 195 | threshB = threshA + 256; |
1408 : | if (threshA < 512) | ||
1409 : | threshA = 512; | ||
1410 : | if (threshA > 1024) | ||
1411 : | threshA = 1024; | ||
1412 : | if (threshB > 1792) | ||
1413 : | threshB = 1792; | ||
1414 : | Isibaar | 3 | } |
1415 : | |||
1416 : | edgomez | 195 | iFound = 0; |
1417 : | |||
1418 : | Isibaar | 3 | /* Step 4: Calculate SAD around the Median prediction. |
1419 : | edgomez | 78 | MinSAD=SAD |
1420 : | If Motion Vector equal to Previous frame motion vector | ||
1421 : | and MinSAD<PrevFrmSAD goto Step 10. | ||
1422 : | If SAD<=256 goto Step 10. | ||
1423 : | edgomez | 195 | */ |
1424 : | Isibaar | 3 | |
1425 : | chl | 326 | currMV->x = start_x; |
1426 : | currMV->y = start_y; | ||
1427 : | |||
1428 : | edgomez | 195 | if (!(MotionFlags & PMV_HALFPEL16)) { /* This should NOT be necessary! */ |
1429 : | Isibaar | 3 | currMV->x = EVEN(currMV->x); |
1430 : | currMV->y = EVEN(currMV->y); | ||
1431 : | } | ||
1432 : | edgomez | 195 | |
1433 : | if (currMV->x > max_dx) { | ||
1434 : | currMV->x = max_dx; | ||
1435 : | edgomez | 78 | } |
1436 : | edgomez | 195 | if (currMV->x < min_dx) { |
1437 : | currMV->x = min_dx; | ||
1438 : | edgomez | 78 | } |
1439 : | edgomez | 195 | if (currMV->y > max_dy) { |
1440 : | currMV->y = max_dy; | ||
1441 : | edgomez | 78 | } |
1442 : | edgomez | 195 | if (currMV->y < min_dy) { |
1443 : | currMV->y = min_dy; | ||
1444 : | edgomez | 78 | } |
1445 : | edgomez | 195 | |
1446 : | iMinSAD = | ||
1447 : | sad16(cur, | ||
1448 : | get_ref_mv(pRef, pRefH, pRefV, pRefHV, x, y, 16, currMV, | ||
1449 : | iEdgedWidth), iEdgedWidth, MV_MAX_ERROR); | ||
1450 : | iMinSAD += | ||
1451 : | chl | 326 | calc_delta_16(currMV->x - center_x, currMV->y - center_y, |
1452 : | edgomez | 195 | (uint8_t) iFcode, iQuant); |
1453 : | |||
1454 : | if ((iMinSAD < 256) || | ||
1455 : | ((MVequal(*currMV, prevMB->mvs[0])) && | ||
1456 : | chl | 289 | ((int32_t) iMinSAD < prevMB->sad16))) { |
1457 : | edgomez | 195 | if (iMinSAD < 2 * iQuant) // high chances for SKIP-mode |
1458 : | { | ||
1459 : | if (!MVzero(*currMV)) { | ||
1460 : | chl | 169 | iMinSAD += MV16_00_BIAS; |
1461 : | edgomez | 195 | CHECK_MV16_ZERO; // (0,0) saves space for letterboxed pictures |
1462 : | chl | 169 | iMinSAD -= MV16_00_BIAS; |
1463 : | } | ||
1464 : | } | ||
1465 : | |||
1466 : | edgomez | 195 | if (MotionFlags & PMV_QUICKSTOP16) |
1467 : | chl | 96 | goto PMVfast16_Terminate_without_Refine; |
1468 : | if (MotionFlags & PMV_EARLYSTOP16) | ||
1469 : | goto PMVfast16_Terminate_with_Refine; | ||
1470 : | edgomez | 78 | } |
1471 : | Isibaar | 3 | |
1472 : | chl | 169 | |
1473 : | /* Step 2 (lazy eval): Calculate Distance= |MedianMVX| + |MedianMVY| where MedianMV is the motion | ||
1474 : | vector of the median. | ||
1475 : | If PredEq=1 and MVpredicted = Previous Frame MV, set Found=2 | ||
1476 : | */ | ||
1477 : | |||
1478 : | edgomez | 195 | if ((bPredEq) && (MVequal(pmv[0], prevMB->mvs[0]))) |
1479 : | iFound = 2; | ||
1480 : | chl | 169 | |
1481 : | /* Step 3 (lazy eval): If Distance>0 or thresb<1536 or PredEq=1 Select small Diamond Search. | ||
1482 : | Otherwise select large Diamond Search. | ||
1483 : | */ | ||
1484 : | |||
1485 : | edgomez | 195 | if ((!MVzero(pmv[0])) || (threshB < 1536) || (bPredEq)) |
1486 : | iDiamondSize = 1; // halfpel! | ||
1487 : | chl | 169 | else |
1488 : | edgomez | 195 | iDiamondSize = 2; // halfpel! |
1489 : | chl | 169 | |
1490 : | edgomez | 195 | if (!(MotionFlags & PMV_HALFPELDIAMOND16)) |
1491 : | iDiamondSize *= 2; | ||
1492 : | chl | 169 | |
1493 : | Isibaar | 3 | /* |
1494 : | edgomez | 78 | Step 5: Calculate SAD for motion vectors taken from left block, top, top-right, and Previous frame block. |
1495 : | Also calculate (0,0) but do not subtract offset. | ||
1496 : | Let MinSAD be the smallest SAD up to this point. | ||
1497 : | chl | 140 | If MV is (0,0) subtract offset. |
1498 : | Isibaar | 3 | */ |
1499 : | |||
1500 : | // (0,0) is always possible | ||
1501 : | |||
1502 : | chl | 169 | if (!MVzero(pmv[0])) |
1503 : | CHECK_MV16_ZERO; | ||
1504 : | Isibaar | 3 | |
1505 : | // previous frame MV is always possible | ||
1506 : | chl | 169 | |
1507 : | if (!MVzero(prevMB->mvs[0])) | ||
1508 : | edgomez | 195 | if (!MVequal(prevMB->mvs[0], pmv[0])) |
1509 : | CHECK_MV16_CANDIDATE(prevMB->mvs[0].x, prevMB->mvs[0].y); | ||
1510 : | |||
1511 : | Isibaar | 3 | // left neighbour, if allowed |
1512 : | chl | 169 | |
1513 : | if (!MVzero(pmv[1])) | ||
1514 : | edgomez | 195 | if (!MVequal(pmv[1], prevMB->mvs[0])) |
1515 : | if (!MVequal(pmv[1], pmv[0])) { | ||
1516 : | if (!(MotionFlags & PMV_HALFPEL16)) { | ||
1517 : | pmv[1].x = EVEN(pmv[1].x); | ||
1518 : | pmv[1].y = EVEN(pmv[1].y); | ||
1519 : | } | ||
1520 : | chl | 169 | |
1521 : | edgomez | 195 | CHECK_MV16_CANDIDATE(pmv[1].x, pmv[1].y); |
1522 : | } | ||
1523 : | Isibaar | 3 | // top neighbour, if allowed |
1524 : | chl | 169 | if (!MVzero(pmv[2])) |
1525 : | edgomez | 195 | if (!MVequal(pmv[2], prevMB->mvs[0])) |
1526 : | if (!MVequal(pmv[2], pmv[0])) | ||
1527 : | if (!MVequal(pmv[2], pmv[1])) { | ||
1528 : | if (!(MotionFlags & PMV_HALFPEL16)) { | ||
1529 : | pmv[2].x = EVEN(pmv[2].x); | ||
1530 : | pmv[2].y = EVEN(pmv[2].y); | ||
1531 : | } | ||
1532 : | CHECK_MV16_CANDIDATE(pmv[2].x, pmv[2].y); | ||
1533 : | |||
1534 : | Isibaar | 3 | // top right neighbour, if allowed |
1535 : | edgomez | 195 | if (!MVzero(pmv[3])) |
1536 : | if (!MVequal(pmv[3], prevMB->mvs[0])) | ||
1537 : | if (!MVequal(pmv[3], pmv[0])) | ||
1538 : | if (!MVequal(pmv[3], pmv[1])) | ||
1539 : | if (!MVequal(pmv[3], pmv[2])) { | ||
1540 : | if (!(MotionFlags & PMV_HALFPEL16)) { | ||
1541 : | pmv[3].x = EVEN(pmv[3].x); | ||
1542 : | pmv[3].y = EVEN(pmv[3].y); | ||
1543 : | } | ||
1544 : | CHECK_MV16_CANDIDATE(pmv[3].x, | ||
1545 : | pmv[3].y); | ||
1546 : | } | ||
1547 : | } | ||
1548 : | |||
1549 : | if ((MVzero(*currMV)) && | ||
1550 : | (!MVzero(pmv[0])) /* && (iMinSAD <= iQuant * 96) */ ) | ||
1551 : | chl | 140 | iMinSAD -= MV16_00_BIAS; |
1552 : | Isibaar | 3 | |
1553 : | edgomez | 195 | |
1554 : | Isibaar | 3 | /* Step 6: If MinSAD <= thresa goto Step 10. |
1555 : | If Motion Vector equal to Previous frame motion vector and MinSAD<PrevFrmSAD goto Step 10. | ||
1556 : | */ | ||
1557 : | |||
1558 : | edgomez | 195 | if ((iMinSAD <= threshA) || |
1559 : | (MVequal(*currMV, prevMB->mvs[0]) && | ||
1560 : | chl | 289 | ((int32_t) iMinSAD < prevMB->sad16))) { |
1561 : | edgomez | 195 | if (MotionFlags & PMV_QUICKSTOP16) |
1562 : | chl | 96 | goto PMVfast16_Terminate_without_Refine; |
1563 : | if (MotionFlags & PMV_EARLYSTOP16) | ||
1564 : | goto PMVfast16_Terminate_with_Refine; | ||
1565 : | edgomez | 78 | } |
1566 : | Isibaar | 3 | |
1567 : | |||
1568 : | /************ (Diamond Search) **************/ | ||
1569 : | /* | ||
1570 : | edgomez | 78 | Step 7: Perform Diamond search, with either the small or large diamond. |
1571 : | If Found=2 only examine one Diamond pattern, and afterwards goto step 10 | ||
1572 : | Step 8: If small diamond, iterate small diamond search pattern until motion vector lies in the center of the diamond. | ||
1573 : | If center then goto step 10. | ||
1574 : | Step 9: If large diamond, iterate large diamond search pattern until motion vector lies in the center. | ||
1575 : | Refine by using small diamond and goto step 10. | ||
1576 : | Isibaar | 3 | */ |
1577 : | |||
1578 : | chl | 181 | if (MotionFlags & PMV_USESQUARES16) |
1579 : | MainSearchPtr = Square16_MainSearch; | ||
1580 : | edgomez | 195 | else if (MotionFlags & PMV_ADVANCEDDIAMOND16) |
1581 : | MainSearchPtr = AdvDiamond16_MainSearch; | ||
1582 : | chl | 181 | else |
1583 : | edgomez | 195 | MainSearchPtr = Diamond16_MainSearch; |
1584 : | chl | 181 | |
1585 : | edgomez | 195 | backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
1586 : | Isibaar | 3 | |
1587 : | chl | 259 | |
1588 : | Isibaar | 3 | /* default: use best prediction as starting point for one call of PMVfast_MainSearch */ |
1589 : | edgomez | 195 | iSAD = |
1590 : | chl | 326 | (*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, |
1591 : | currMV->x, currMV->y, iMinSAD, &newMV, center_x, center_y, | ||
1592 : | min_dx, max_dx, | ||
1593 : | edgomez | 195 | min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, |
1594 : | iQuant, iFound); | ||
1595 : | |||
1596 : | if (iSAD < iMinSAD) { | ||
1597 : | Isibaar | 3 | *currMV = newMV; |
1598 : | iMinSAD = iSAD; | ||
1599 : | } | ||
1600 : | |||
1601 : | edgomez | 195 | if (MotionFlags & PMV_EXTSEARCH16) { |
1602 : | Isibaar | 3 | /* extended: search (up to) two more times: orignal prediction and (0,0) */ |
1603 : | |||
1604 : | edgomez | 195 | if (!(MVequal(pmv[0], backupMV))) { |
1605 : | iSAD = | ||
1606 : | (*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, | ||
1607 : | chl | 326 | center_x, center_y, iMinSAD, &newMV, center_x, center_y, |
1608 : | edgomez | 195 | min_dx, max_dx, min_dy, max_dy, iEdgedWidth, |
1609 : | iDiamondSize, iFcode, iQuant, iFound); | ||
1610 : | |||
1611 : | if (iSAD < iMinSAD) { | ||
1612 : | *currMV = newMV; | ||
1613 : | iMinSAD = iSAD; | ||
1614 : | } | ||
1615 : | Isibaar | 3 | } |
1616 : | |||
1617 : | edgomez | 195 | if ((!(MVzero(pmv[0]))) && (!(MVzero(backupMV)))) { |
1618 : | iSAD = | ||
1619 : | (*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, 0, 0, | ||
1620 : | chl | 326 | iMinSAD, &newMV, center_x, center_y, |
1621 : | min_dx, max_dx, min_dy, max_dy, | ||
1622 : | iEdgedWidth, iDiamondSize, iFcode, | ||
1623 : | edgomez | 195 | iQuant, iFound); |
1624 : | |||
1625 : | if (iSAD < iMinSAD) { | ||
1626 : | *currMV = newMV; | ||
1627 : | iMinSAD = iSAD; | ||
1628 : | } | ||
1629 : | Isibaar | 3 | } |
1630 : | } | ||
1631 : | |||
1632 : | /* | ||
1633 : | edgomez | 78 | Step 10: The motion vector is chosen according to the block corresponding to MinSAD. |
1634 : | Isibaar | 3 | */ |
1635 : | |||
1636 : | edgomez | 195 | PMVfast16_Terminate_with_Refine: |
1637 : | if (MotionFlags & PMV_HALFPELREFINE16) // perform final half-pel step | ||
1638 : | iMinSAD = | ||
1639 : | Halfpel16_Refine(pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV, | ||
1640 : | chl | 326 | iMinSAD, center_x, center_y, min_dx, max_dx, min_dy, max_dy, |
1641 : | edgomez | 195 | iFcode, iQuant, iEdgedWidth); |
1642 : | Isibaar | 3 | |
1643 : | edgomez | 195 | PMVfast16_Terminate_without_Refine: |
1644 : | chl | 326 | currPMV->x = currMV->x - center_x; |
1645 : | currPMV->y = currMV->y - center_y; | ||
1646 : | Isibaar | 3 | return iMinSAD; |
1647 : | } | ||
1648 : | |||
1649 : | |||
1650 : | |||
1651 : | |||
1652 : | |||
1653 : | |||
1654 : | edgomez | 195 | int32_t |
1655 : | Diamond8_MainSearch(const uint8_t * const pRef, | ||
1656 : | const uint8_t * const pRefH, | ||
1657 : | const uint8_t * const pRefV, | ||
1658 : | const uint8_t * const pRefHV, | ||
1659 : | const uint8_t * const cur, | ||
1660 : | const int x, | ||
1661 : | const int y, | ||
1662 : | chl | 326 | int32_t start_x, |
1663 : | int32_t start_y, | ||
1664 : | edgomez | 195 | int32_t iMinSAD, |
1665 : | VECTOR * const currMV, | ||
1666 : | chl | 326 | const int center_x, |
1667 : | const int center_y, | ||
1668 : | edgomez | 195 | const int32_t min_dx, |
1669 : | const int32_t max_dx, | ||
1670 : | const int32_t min_dy, | ||
1671 : | const int32_t max_dy, | ||
1672 : | const int32_t iEdgedWidth, | ||
1673 : | const int32_t iDiamondSize, | ||
1674 : | const int32_t iFcode, | ||
1675 : | const int32_t iQuant, | ||
1676 : | int iFound) | ||
1677 : | Isibaar | 3 | { |
1678 : | /* Do a diamond search around given starting point, return SAD of best */ | ||
1679 : | |||
1680 : | edgomez | 195 | int32_t iDirection = 0; |
1681 : | chl | 344 | int32_t iDirectionBackup; |
1682 : | Isibaar | 3 | int32_t iSAD; |
1683 : | VECTOR backupMV; | ||
1684 : | edgomez | 195 | |
1685 : | chl | 326 | backupMV.x = start_x; |
1686 : | backupMV.y = start_y; | ||
1687 : | edgomez | 195 | |
1688 : | Isibaar | 3 | /* It's one search with full Diamond pattern, and only 3 of 4 for all following diamonds */ |
1689 : | |||
1690 : | edgomez | 195 | CHECK_MV8_CANDIDATE_DIR(backupMV.x - iDiamondSize, backupMV.y, 1); |
1691 : | CHECK_MV8_CANDIDATE_DIR(backupMV.x + iDiamondSize, backupMV.y, 2); | ||
1692 : | CHECK_MV8_CANDIDATE_DIR(backupMV.x, backupMV.y - iDiamondSize, 3); | ||
1693 : | CHECK_MV8_CANDIDATE_DIR(backupMV.x, backupMV.y + iDiamondSize, 4); | ||
1694 : | Isibaar | 3 | |
1695 : | chl | 344 | if (iDirection) { |
1696 : | edgomez | 195 | while (!iFound) { |
1697 : | iFound = 1; | ||
1698 : | backupMV = *currMV; // since iDirection!=0, this is well defined! | ||
1699 : | chl | 344 | iDirectionBackup = iDirection; |
1700 : | edgomez | 195 | |
1701 : | chl | 344 | if (iDirectionBackup != 2) |
1702 : | edgomez | 195 | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
1703 : | backupMV.y, 1); | ||
1704 : | chl | 344 | if (iDirectionBackup != 1) |
1705 : | edgomez | 195 | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
1706 : | backupMV.y, 2); | ||
1707 : | chl | 344 | if (iDirectionBackup != 4) |
1708 : | edgomez | 195 | CHECK_MV8_CANDIDATE_FOUND(backupMV.x, |
1709 : | backupMV.y - iDiamondSize, 3); | ||
1710 : | chl | 344 | if (iDirectionBackup != 3) |
1711 : | edgomez | 195 | CHECK_MV8_CANDIDATE_FOUND(backupMV.x, |
1712 : | backupMV.y + iDiamondSize, 4); | ||
1713 : | chl | 344 | } |
1714 : | edgomez | 195 | } else { |
1715 : | chl | 326 | currMV->x = start_x; |
1716 : | currMV->y = start_y; | ||
1717 : | edgomez | 78 | } |
1718 : | Isibaar | 3 | return iMinSAD; |
1719 : | } | ||
1720 : | |||
1721 : | chl | 345 | |
1722 : | |||
1723 : | |||
1724 : | edgomez | 195 | int32_t |
1725 : | chl | 345 | Square8_MainSearch(const uint8_t * const pRef, |
1726 : | const uint8_t * const pRefH, | ||
1727 : | const uint8_t * const pRefV, | ||
1728 : | const uint8_t * const pRefHV, | ||
1729 : | const uint8_t * const cur, | ||
1730 : | const int x, | ||
1731 : | const int y, | ||
1732 : | int32_t start_x, | ||
1733 : | int32_t start_y, | ||
1734 : | int32_t iMinSAD, | ||
1735 : | VECTOR * const currMV, | ||
1736 : | const int center_x, | ||
1737 : | const int center_y, | ||
1738 : | const int32_t min_dx, | ||
1739 : | const int32_t max_dx, | ||
1740 : | const int32_t min_dy, | ||
1741 : | const int32_t max_dy, | ||
1742 : | const int32_t iEdgedWidth, | ||
1743 : | const int32_t iDiamondSize, | ||
1744 : | const int32_t iFcode, | ||
1745 : | const int32_t iQuant, | ||
1746 : | int iFound) | ||
1747 : | { | ||
1748 : | /* Do a square search around given starting point, return SAD of best */ | ||
1749 : | |||
1750 : | int32_t iDirection = 0; | ||
1751 : | int32_t iSAD; | ||
1752 : | VECTOR backupMV; | ||
1753 : | |||
1754 : | backupMV.x = start_x; | ||
1755 : | backupMV.y = start_y; | ||
1756 : | |||
1757 : | /* It's one search with full square pattern, and new parts for all following diamonds */ | ||
1758 : | |||
1759 : | /* new direction are extra, so 1-4 is normal diamond | ||
1760 : | 537 | ||
1761 : | 1*2 | ||
1762 : | 648 | ||
1763 : | */ | ||
1764 : | |||
1765 : | CHECK_MV8_CANDIDATE_DIR(backupMV.x - iDiamondSize, backupMV.y, 1); | ||
1766 : | CHECK_MV8_CANDIDATE_DIR(backupMV.x + iDiamondSize, backupMV.y, 2); | ||
1767 : | CHECK_MV8_CANDIDATE_DIR(backupMV.x, backupMV.y - iDiamondSize, 3); | ||
1768 : | CHECK_MV8_CANDIDATE_DIR(backupMV.x, backupMV.y + iDiamondSize, 4); | ||
1769 : | |||
1770 : | CHECK_MV8_CANDIDATE_DIR(backupMV.x - iDiamondSize, | ||
1771 : | backupMV.y - iDiamondSize, 5); | ||
1772 : | CHECK_MV8_CANDIDATE_DIR(backupMV.x - iDiamondSize, | ||
1773 : | backupMV.y + iDiamondSize, 6); | ||
1774 : | CHECK_MV8_CANDIDATE_DIR(backupMV.x + iDiamondSize, | ||
1775 : | backupMV.y - iDiamondSize, 7); | ||
1776 : | CHECK_MV8_CANDIDATE_DIR(backupMV.x + iDiamondSize, | ||
1777 : | backupMV.y + iDiamondSize, 8); | ||
1778 : | |||
1779 : | |||
1780 : | if (iDirection) { | ||
1781 : | while (!iFound) { | ||
1782 : | iFound = 1; | ||
1783 : | backupMV = *currMV; | ||
1784 : | |||
1785 : | switch (iDirection) { | ||
1786 : | case 1: | ||
1787 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, | ||
1788 : | backupMV.y, 1); | ||
1789 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, | ||
1790 : | backupMV.y - iDiamondSize, 5); | ||
1791 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, | ||
1792 : | backupMV.y - iDiamondSize, 7); | ||
1793 : | break; | ||
1794 : | case 2: | ||
1795 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, backupMV.y, | ||
1796 : | 2); | ||
1797 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, | ||
1798 : | backupMV.y + iDiamondSize, 6); | ||
1799 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, | ||
1800 : | backupMV.y + iDiamondSize, 8); | ||
1801 : | break; | ||
1802 : | |||
1803 : | case 3: | ||
1804 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x, backupMV.y + iDiamondSize, | ||
1805 : | 4); | ||
1806 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, | ||
1807 : | backupMV.y - iDiamondSize, 7); | ||
1808 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, | ||
1809 : | backupMV.y + iDiamondSize, 8); | ||
1810 : | break; | ||
1811 : | |||
1812 : | case 4: | ||
1813 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x, backupMV.y - iDiamondSize, | ||
1814 : | 3); | ||
1815 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, | ||
1816 : | backupMV.y - iDiamondSize, 5); | ||
1817 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, | ||
1818 : | backupMV.y + iDiamondSize, 6); | ||
1819 : | break; | ||
1820 : | |||
1821 : | case 5: | ||
1822 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, backupMV.y, | ||
1823 : | 1); | ||
1824 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x, backupMV.y - iDiamondSize, | ||
1825 : | 3); | ||
1826 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, | ||
1827 : | backupMV.y - iDiamondSize, 5); | ||
1828 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, | ||
1829 : | backupMV.y + iDiamondSize, 6); | ||
1830 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, | ||
1831 : | backupMV.y - iDiamondSize, 7); | ||
1832 : | break; | ||
1833 : | |||
1834 : | case 6: | ||
1835 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, backupMV.y, | ||
1836 : | 2); | ||
1837 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x, backupMV.y - iDiamondSize, | ||
1838 : | 3); | ||
1839 : | |||
1840 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, | ||
1841 : | backupMV.y - iDiamondSize, 5); | ||
1842 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, | ||
1843 : | backupMV.y + iDiamondSize, 6); | ||
1844 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, | ||
1845 : | backupMV.y + iDiamondSize, 8); | ||
1846 : | |||
1847 : | break; | ||
1848 : | |||
1849 : | case 7: | ||
1850 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, | ||
1851 : | backupMV.y, 1); | ||
1852 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x, backupMV.y + iDiamondSize, | ||
1853 : | 4); | ||
1854 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, | ||
1855 : | backupMV.y - iDiamondSize, 5); | ||
1856 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, | ||
1857 : | backupMV.y - iDiamondSize, 7); | ||
1858 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, | ||
1859 : | backupMV.y + iDiamondSize, 8); | ||
1860 : | break; | ||
1861 : | |||
1862 : | case 8: | ||
1863 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, backupMV.y, | ||
1864 : | 2); | ||
1865 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x, backupMV.y + iDiamondSize, | ||
1866 : | 4); | ||
1867 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, | ||
1868 : | backupMV.y + iDiamondSize, 6); | ||
1869 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, | ||
1870 : | backupMV.y - iDiamondSize, 7); | ||
1871 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, | ||
1872 : | backupMV.y + iDiamondSize, 8); | ||
1873 : | break; | ||
1874 : | default: | ||
1875 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, backupMV.y, | ||
1876 : | 1); | ||
1877 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, backupMV.y, | ||
1878 : | 2); | ||
1879 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x, backupMV.y - iDiamondSize, | ||
1880 : | 3); | ||
1881 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x, backupMV.y + iDiamondSize, | ||
1882 : | 4); | ||
1883 : | |||
1884 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, | ||
1885 : | backupMV.y - iDiamondSize, 5); | ||
1886 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, | ||
1887 : | backupMV.y + iDiamondSize, 6); | ||
1888 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, | ||
1889 : | backupMV.y - iDiamondSize, 7); | ||
1890 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, | ||
1891 : | backupMV.y + iDiamondSize, 8); | ||
1892 : | break; | ||
1893 : | } | ||
1894 : | } | ||
1895 : | } else { | ||
1896 : | currMV->x = start_x; | ||
1897 : | currMV->y = start_y; | ||
1898 : | } | ||
1899 : | return iMinSAD; | ||
1900 : | } | ||
1901 : | |||
1902 : | |||
1903 : | |||
1904 : | |||
1905 : | |||
1906 : | int32_t | ||
1907 : | ia64p | 300 | Halfpel8_Refine_c(const uint8_t * const pRef, |
1908 : | edgomez | 195 | const uint8_t * const pRefH, |
1909 : | const uint8_t * const pRefV, | ||
1910 : | const uint8_t * const pRefHV, | ||
1911 : | const uint8_t * const cur, | ||
1912 : | const int x, | ||
1913 : | const int y, | ||
1914 : | VECTOR * const currMV, | ||
1915 : | int32_t iMinSAD, | ||
1916 : | chl | 326 | const int center_x, |
1917 : | const int center_y, | ||
1918 : | edgomez | 195 | const int32_t min_dx, |
1919 : | const int32_t max_dx, | ||
1920 : | const int32_t min_dy, | ||
1921 : | const int32_t max_dy, | ||
1922 : | const int32_t iFcode, | ||
1923 : | const int32_t iQuant, | ||
1924 : | const int32_t iEdgedWidth) | ||
1925 : | Isibaar | 3 | { |
1926 : | /* Do a half-pel refinement (or rather a "smallest possible amount" refinement) */ | ||
1927 : | |||
1928 : | int32_t iSAD; | ||
1929 : | VECTOR backupMV = *currMV; | ||
1930 : | edgomez | 195 | |
1931 : | CHECK_MV8_CANDIDATE(backupMV.x - 1, backupMV.y - 1); | ||
1932 : | CHECK_MV8_CANDIDATE(backupMV.x, backupMV.y - 1); | ||
1933 : | CHECK_MV8_CANDIDATE(backupMV.x + 1, backupMV.y - 1); | ||
1934 : | CHECK_MV8_CANDIDATE(backupMV.x - 1, backupMV.y); | ||
1935 : | CHECK_MV8_CANDIDATE(backupMV.x + 1, backupMV.y); | ||
1936 : | CHECK_MV8_CANDIDATE(backupMV.x - 1, backupMV.y + 1); | ||
1937 : | CHECK_MV8_CANDIDATE(backupMV.x, backupMV.y + 1); | ||
1938 : | CHECK_MV8_CANDIDATE(backupMV.x + 1, backupMV.y + 1); | ||
1939 : | |||
1940 : | Isibaar | 3 | return iMinSAD; |
1941 : | } | ||
1942 : | |||
1943 : | |||
1944 : | #define PMV_HALFPEL8 (PMV_HALFPELDIAMOND8|PMV_HALFPELREFINE8) | ||
1945 : | |||
1946 : | edgomez | 195 | int32_t |
1947 : | PMVfastSearch8(const uint8_t * const pRef, | ||
1948 : | const uint8_t * const pRefH, | ||
1949 : | const uint8_t * const pRefV, | ||
1950 : | const uint8_t * const pRefHV, | ||
1951 : | const IMAGE * const pCur, | ||
1952 : | const int x, | ||
1953 : | const int y, | ||
1954 : | const int start_x, | ||
1955 : | const int start_y, | ||
1956 : | chl | 326 | const int center_x, |
1957 : | const int center_y, | ||
1958 : | edgomez | 195 | const uint32_t MotionFlags, |
1959 : | const uint32_t iQuant, | ||
1960 : | const uint32_t iFcode, | ||
1961 : | const MBParam * const pParam, | ||
1962 : | const MACROBLOCK * const pMBs, | ||
1963 : | const MACROBLOCK * const prevMBs, | ||
1964 : | VECTOR * const currMV, | ||
1965 : | VECTOR * const currPMV) | ||
1966 : | Isibaar | 3 | { |
1967 : | edgomez | 195 | const uint32_t iWcount = pParam->mb_width; |
1968 : | Isibaar | 3 | const int32_t iWidth = pParam->width; |
1969 : | const int32_t iHeight = pParam->height; | ||
1970 : | edgomez | 195 | const int32_t iEdgedWidth = pParam->edged_width; |
1971 : | Isibaar | 3 | |
1972 : | edgomez | 195 | const uint8_t *cur = pCur->y + x * 8 + y * 8 * iEdgedWidth; |
1973 : | Isibaar | 3 | |
1974 : | int32_t iDiamondSize; | ||
1975 : | |||
1976 : | int32_t min_dx; | ||
1977 : | int32_t max_dx; | ||
1978 : | int32_t min_dy; | ||
1979 : | int32_t max_dy; | ||
1980 : | edgomez | 195 | |
1981 : | Isibaar | 3 | VECTOR pmv[4]; |
1982 : | int32_t psad[4]; | ||
1983 : | VECTOR newMV; | ||
1984 : | VECTOR backupMV; | ||
1985 : | edgomez | 170 | VECTOR startMV; |
1986 : | Isibaar | 3 | |
1987 : | edgomez | 195 | // const MACROBLOCK * const pMB = pMBs + (x>>1) + (y>>1) * iWcount; |
1988 : | const MACROBLOCK *const prevMB = prevMBs + (x >> 1) + (y >> 1) * iWcount; | ||
1989 : | Isibaar | 3 | |
1990 : | chl | 259 | int32_t threshA, threshB; |
1991 : | edgomez | 195 | int32_t iFound, bPredEq; |
1992 : | int32_t iMinSAD, iSAD; | ||
1993 : | Isibaar | 3 | |
1994 : | edgomez | 195 | int32_t iSubBlock = (y & 1) + (y & 1) + (x & 1); |
1995 : | |||
1996 : | chl | 181 | MainSearch8FuncPtr MainSearchPtr; |
1997 : | |||
1998 : | edgomez | 170 | /* Init variables */ |
1999 : | startMV.x = start_x; | ||
2000 : | startMV.y = start_y; | ||
2001 : | |||
2002 : | /* Get maximum range */ | ||
2003 : | edgomez | 195 | get_range(&min_dx, &max_dx, &min_dy, &max_dy, x, y, 8, iWidth, iHeight, |
2004 : | iFcode); | ||
2005 : | Isibaar | 3 | |
2006 : | edgomez | 195 | if (!(MotionFlags & PMV_HALFPELDIAMOND8)) { |
2007 : | min_dx = EVEN(min_dx); | ||
2008 : | max_dx = EVEN(max_dx); | ||
2009 : | min_dy = EVEN(min_dy); | ||
2010 : | max_dy = EVEN(max_dy); | ||
2011 : | } | ||
2012 : | Isibaar | 3 | |
2013 : | edgomez | 195 | /* because we might use IF (dx>max_dx) THEN dx=max_dx; */ |
2014 : | chl | 285 | //bPredEq = get_pmvdata(pMBs, (x >> 1), (y >> 1), iWcount, iSubBlock, pmv, psad); |
2015 : | bPredEq = get_pmvdata2(pMBs, iWcount, 0, (x >> 1), (y >> 1), iSubBlock, pmv, psad); | ||
2016 : | Isibaar | 3 | |
2017 : | edgomez | 195 | if ((x == 0) && (y == 0)) { |
2018 : | threshA = 512 / 4; | ||
2019 : | threshB = 1024 / 4; | ||
2020 : | |||
2021 : | } else { | ||
2022 : | chl | 326 | threshA = psad[0] / 4; /* good estimate? */ |
2023 : | edgomez | 195 | threshB = threshA + 256 / 4; |
2024 : | if (threshA < 512 / 4) | ||
2025 : | threshA = 512 / 4; | ||
2026 : | if (threshA > 1024 / 4) | ||
2027 : | threshA = 1024 / 4; | ||
2028 : | if (threshB > 1792 / 4) | ||
2029 : | threshB = 1792 / 4; | ||
2030 : | Isibaar | 3 | } |
2031 : | |||
2032 : | edgomez | 195 | iFound = 0; |
2033 : | |||
2034 : | Isibaar | 3 | /* Step 4: Calculate SAD around the Median prediction. |
2035 : | edgomez | 78 | MinSAD=SAD |
2036 : | If Motion Vector equal to Previous frame motion vector | ||
2037 : | and MinSAD<PrevFrmSAD goto Step 10. | ||
2038 : | If SAD<=256 goto Step 10. | ||
2039 : | edgomez | 195 | */ |
2040 : | Isibaar | 3 | |
2041 : | |||
2042 : | // Prepare for main loop | ||
2043 : | |||
2044 : | chl | 345 | if (MotionFlags & PMV_USESQUARES8) |
2045 : | MainSearchPtr = Square8_MainSearch; | ||
2046 : | else | ||
2047 : | chl | 181 | |
2048 : | if (MotionFlags & PMV_ADVANCEDDIAMOND8) | ||
2049 : | MainSearchPtr = AdvDiamond8_MainSearch; | ||
2050 : | else | ||
2051 : | MainSearchPtr = Diamond8_MainSearch; | ||
2052 : | |||
2053 : | |||
2054 : | chl | 169 | *currMV = startMV; |
2055 : | edgomez | 195 | |
2056 : | iMinSAD = | ||
2057 : | sad8(cur, | ||
2058 : | get_ref_mv(pRef, pRefH, pRefV, pRefHV, x, y, 8, currMV, | ||
2059 : | iEdgedWidth), iEdgedWidth); | ||
2060 : | iMinSAD += | ||
2061 : | chl | 326 | calc_delta_8(currMV->x - center_x, currMV->y - center_y, |
2062 : | edgomez | 195 | (uint8_t) iFcode, iQuant); |
2063 : | |||
2064 : | if ((iMinSAD < 256 / 4) || ((MVequal(*currMV, prevMB->mvs[iSubBlock])) | ||
2065 : | chl | 289 | && ((int32_t) iMinSAD < |
2066 : | edgomez | 195 | prevMB->sad8[iSubBlock]))) { |
2067 : | if (MotionFlags & PMV_QUICKSTOP16) | ||
2068 : | chl | 96 | goto PMVfast8_Terminate_without_Refine; |
2069 : | if (MotionFlags & PMV_EARLYSTOP16) | ||
2070 : | goto PMVfast8_Terminate_with_Refine; | ||
2071 : | edgomez | 78 | } |
2072 : | Isibaar | 3 | |
2073 : | chl | 169 | /* Step 2 (lazy eval): Calculate Distance= |MedianMVX| + |MedianMVY| where MedianMV is the motion |
2074 : | vector of the median. | ||
2075 : | If PredEq=1 and MVpredicted = Previous Frame MV, set Found=2 | ||
2076 : | */ | ||
2077 : | chl | 96 | |
2078 : | edgomez | 195 | if ((bPredEq) && (MVequal(pmv[0], prevMB->mvs[iSubBlock]))) |
2079 : | iFound = 2; | ||
2080 : | chl | 169 | |
2081 : | /* Step 3 (lazy eval): If Distance>0 or thresb<1536 or PredEq=1 Select small Diamond Search. | ||
2082 : | Otherwise select large Diamond Search. | ||
2083 : | */ | ||
2084 : | |||
2085 : | edgomez | 195 | if ((!MVzero(pmv[0])) || (threshB < 1536 / 4) || (bPredEq)) |
2086 : | iDiamondSize = 1; // 1 halfpel! | ||
2087 : | chl | 169 | else |
2088 : | edgomez | 195 | iDiamondSize = 2; // 2 halfpel = 1 full pixel! |
2089 : | chl | 169 | |
2090 : | edgomez | 195 | if (!(MotionFlags & PMV_HALFPELDIAMOND8)) |
2091 : | iDiamondSize *= 2; | ||
2092 : | chl | 169 | |
2093 : | |||
2094 : | Isibaar | 3 | /* |
2095 : | edgomez | 78 | Step 5: Calculate SAD for motion vectors taken from left block, top, top-right, and Previous frame block. |
2096 : | Also calculate (0,0) but do not subtract offset. | ||
2097 : | Let MinSAD be the smallest SAD up to this point. | ||
2098 : | chl | 140 | If MV is (0,0) subtract offset. |
2099 : | Isibaar | 3 | */ |
2100 : | |||
2101 : | chl | 169 | // the median prediction might be even better than mv16 |
2102 : | Isibaar | 3 | |
2103 : | edgomez | 195 | if (!MVequal(pmv[0], startMV)) |
2104 : | chl | 326 | CHECK_MV8_CANDIDATE(center_x, center_y); |
2105 : | chl | 169 | |
2106 : | // (0,0) if needed | ||
2107 : | if (!MVzero(pmv[0])) | ||
2108 : | edgomez | 195 | if (!MVzero(startMV)) |
2109 : | CHECK_MV8_ZERO; | ||
2110 : | Isibaar | 3 | |
2111 : | chl | 169 | // previous frame MV if needed |
2112 : | if (!MVzero(prevMB->mvs[iSubBlock])) | ||
2113 : | edgomez | 195 | if (!MVequal(prevMB->mvs[iSubBlock], startMV)) |
2114 : | if (!MVequal(prevMB->mvs[iSubBlock], pmv[0])) | ||
2115 : | CHECK_MV8_CANDIDATE(prevMB->mvs[iSubBlock].x, | ||
2116 : | prevMB->mvs[iSubBlock].y); | ||
2117 : | chl | 169 | |
2118 : | edgomez | 195 | if ((iMinSAD <= threshA) || |
2119 : | (MVequal(*currMV, prevMB->mvs[iSubBlock]) && | ||
2120 : | chl | 289 | ((int32_t) iMinSAD < prevMB->sad8[iSubBlock]))) { |
2121 : | edgomez | 195 | if (MotionFlags & PMV_QUICKSTOP16) |
2122 : | chl | 169 | goto PMVfast8_Terminate_without_Refine; |
2123 : | if (MotionFlags & PMV_EARLYSTOP16) | ||
2124 : | goto PMVfast8_Terminate_with_Refine; | ||
2125 : | } | ||
2126 : | |||
2127 : | // left neighbour, if allowed and needed | ||
2128 : | if (!MVzero(pmv[1])) | ||
2129 : | edgomez | 195 | if (!MVequal(pmv[1], startMV)) |
2130 : | if (!MVequal(pmv[1], prevMB->mvs[iSubBlock])) | ||
2131 : | if (!MVequal(pmv[1], pmv[0])) { | ||
2132 : | if (!(MotionFlags & PMV_HALFPEL8)) { | ||
2133 : | pmv[1].x = EVEN(pmv[1].x); | ||
2134 : | pmv[1].y = EVEN(pmv[1].y); | ||
2135 : | } | ||
2136 : | CHECK_MV8_CANDIDATE(pmv[1].x, pmv[1].y); | ||
2137 : | } | ||
2138 : | chl | 169 | // top neighbour, if allowed and needed |
2139 : | if (!MVzero(pmv[2])) | ||
2140 : | edgomez | 195 | if (!MVequal(pmv[2], startMV)) |
2141 : | if (!MVequal(pmv[2], prevMB->mvs[iSubBlock])) | ||
2142 : | if (!MVequal(pmv[2], pmv[0])) | ||
2143 : | if (!MVequal(pmv[2], pmv[1])) { | ||
2144 : | if (!(MotionFlags & PMV_HALFPEL8)) { | ||
2145 : | pmv[2].x = EVEN(pmv[2].x); | ||
2146 : | pmv[2].y = EVEN(pmv[2].y); | ||
2147 : | } | ||
2148 : | CHECK_MV8_CANDIDATE(pmv[2].x, pmv[2].y); | ||
2149 : | |||
2150 : | chl | 169 | // top right neighbour, if allowed and needed |
2151 : | edgomez | 195 | if (!MVzero(pmv[3])) |
2152 : | if (!MVequal(pmv[3], startMV)) | ||
2153 : | if (!MVequal(pmv[3], prevMB->mvs[iSubBlock])) | ||
2154 : | if (!MVequal(pmv[3], pmv[0])) | ||
2155 : | if (!MVequal(pmv[3], pmv[1])) | ||
2156 : | if (!MVequal(pmv[3], pmv[2])) { | ||
2157 : | if (! | ||
2158 : | (MotionFlags & | ||
2159 : | PMV_HALFPEL8)) { | ||
2160 : | pmv[3].x = EVEN(pmv[3].x); | ||
2161 : | pmv[3].y = EVEN(pmv[3].y); | ||
2162 : | } | ||
2163 : | CHECK_MV8_CANDIDATE(pmv[3].x, | ||
2164 : | pmv[3].y); | ||
2165 : | } | ||
2166 : | } | ||
2167 : | Isibaar | 3 | |
2168 : | edgomez | 195 | if ((MVzero(*currMV)) && |
2169 : | (!MVzero(pmv[0])) /* && (iMinSAD <= iQuant * 96) */ ) | ||
2170 : | chl | 140 | iMinSAD -= MV8_00_BIAS; |
2171 : | |||
2172 : | |||
2173 : | Isibaar | 3 | /* Step 6: If MinSAD <= thresa goto Step 10. |
2174 : | If Motion Vector equal to Previous frame motion vector and MinSAD<PrevFrmSAD goto Step 10. | ||
2175 : | */ | ||
2176 : | |||
2177 : | edgomez | 195 | if ((iMinSAD <= threshA) || |
2178 : | (MVequal(*currMV, prevMB->mvs[iSubBlock]) && | ||
2179 : | chl | 289 | ((int32_t) iMinSAD < prevMB->sad8[iSubBlock]))) { |
2180 : | edgomez | 195 | if (MotionFlags & PMV_QUICKSTOP16) |
2181 : | chl | 96 | goto PMVfast8_Terminate_without_Refine; |
2182 : | if (MotionFlags & PMV_EARLYSTOP16) | ||
2183 : | goto PMVfast8_Terminate_with_Refine; | ||
2184 : | edgomez | 78 | } |
2185 : | Isibaar | 3 | |
2186 : | /************ (Diamond Search) **************/ | ||
2187 : | /* | ||
2188 : | edgomez | 78 | Step 7: Perform Diamond search, with either the small or large diamond. |
2189 : | If Found=2 only examine one Diamond pattern, and afterwards goto step 10 | ||
2190 : | Step 8: If small diamond, iterate small diamond search pattern until motion vector lies in the center of the diamond. | ||
2191 : | If center then goto step 10. | ||
2192 : | Step 9: If large diamond, iterate large diamond search pattern until motion vector lies in the center. | ||
2193 : | Refine by using small diamond and goto step 10. | ||
2194 : | Isibaar | 3 | */ |
2195 : | |||
2196 : | edgomez | 195 | backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
2197 : | Isibaar | 3 | |
2198 : | /* default: use best prediction as starting point for one call of PMVfast_MainSearch */ | ||
2199 : | edgomez | 195 | iSAD = |
2200 : | (*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV->x, | ||
2201 : | chl | 326 | currMV->y, iMinSAD, &newMV, center_x, center_y, min_dx, max_dx, |
2202 : | edgomez | 195 | min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, |
2203 : | iQuant, iFound); | ||
2204 : | |||
2205 : | if (iSAD < iMinSAD) { | ||
2206 : | Isibaar | 3 | *currMV = newMV; |
2207 : | iMinSAD = iSAD; | ||
2208 : | } | ||
2209 : | |||
2210 : | edgomez | 195 | if (MotionFlags & PMV_EXTSEARCH8) { |
2211 : | Isibaar | 3 | /* extended: search (up to) two more times: orignal prediction and (0,0) */ |
2212 : | |||
2213 : | edgomez | 195 | if (!(MVequal(pmv[0], backupMV))) { |
2214 : | iSAD = | ||
2215 : | (*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, | ||
2216 : | chl | 326 | pmv[0].x, pmv[0].y, iMinSAD, &newMV, center_x, center_y, |
2217 : | edgomez | 195 | min_dx, max_dx, min_dy, max_dy, iEdgedWidth, |
2218 : | iDiamondSize, iFcode, iQuant, iFound); | ||
2219 : | |||
2220 : | if (iSAD < iMinSAD) { | ||
2221 : | *currMV = newMV; | ||
2222 : | iMinSAD = iSAD; | ||
2223 : | } | ||
2224 : | Isibaar | 3 | } |
2225 : | |||
2226 : | edgomez | 195 | if ((!(MVzero(pmv[0]))) && (!(MVzero(backupMV)))) { |
2227 : | iSAD = | ||
2228 : | (*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, 0, 0, | ||
2229 : | chl | 326 | iMinSAD, &newMV, center_x, center_y, min_dx, max_dx, min_dy, |
2230 : | edgomez | 195 | max_dy, iEdgedWidth, iDiamondSize, iFcode, |
2231 : | iQuant, iFound); | ||
2232 : | |||
2233 : | if (iSAD < iMinSAD) { | ||
2234 : | *currMV = newMV; | ||
2235 : | iMinSAD = iSAD; | ||
2236 : | } | ||
2237 : | Isibaar | 3 | } |
2238 : | } | ||
2239 : | |||
2240 : | /* Step 10: The motion vector is chosen according to the block corresponding to MinSAD. | ||
2241 : | edgomez | 78 | By performing an optional local half-pixel search, we can refine this result even further. |
2242 : | Isibaar | 3 | */ |
2243 : | |||
2244 : | edgomez | 195 | PMVfast8_Terminate_with_Refine: |
2245 : | if (MotionFlags & PMV_HALFPELREFINE8) // perform final half-pel step | ||
2246 : | iMinSAD = | ||
2247 : | Halfpel8_Refine(pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV, | ||
2248 : | chl | 326 | iMinSAD, center_x, center_y, min_dx, max_dx, min_dy, max_dy, |
2249 : | edgomez | 195 | iFcode, iQuant, iEdgedWidth); |
2250 : | Isibaar | 3 | |
2251 : | edgomez | 195 | |
2252 : | PMVfast8_Terminate_without_Refine: | ||
2253 : | chl | 326 | currPMV->x = currMV->x - center_x; |
2254 : | currPMV->y = currMV->y - center_y; | ||
2255 : | edgomez | 195 | |
2256 : | Isibaar | 3 | return iMinSAD; |
2257 : | } | ||
2258 : | chl | 96 | |
2259 : | edgomez | 195 | int32_t |
2260 : | EPZSSearch16(const uint8_t * const pRef, | ||
2261 : | const uint8_t * const pRefH, | ||
2262 : | const uint8_t * const pRefV, | ||
2263 : | const uint8_t * const pRefHV, | ||
2264 : | const IMAGE * const pCur, | ||
2265 : | const int x, | ||
2266 : | const int y, | ||
2267 : | chl | 326 | const int start_x, |
2268 : | const int start_y, | ||
2269 : | const int center_x, | ||
2270 : | const int center_y, | ||
2271 : | edgomez | 195 | const uint32_t MotionFlags, |
2272 : | const uint32_t iQuant, | ||
2273 : | const uint32_t iFcode, | ||
2274 : | const MBParam * const pParam, | ||
2275 : | const MACROBLOCK * const pMBs, | ||
2276 : | const MACROBLOCK * const prevMBs, | ||
2277 : | VECTOR * const currMV, | ||
2278 : | VECTOR * const currPMV) | ||
2279 : | chl | 96 | { |
2280 : | edgomez | 195 | const uint32_t iWcount = pParam->mb_width; |
2281 : | const uint32_t iHcount = pParam->mb_height; | ||
2282 : | chl | 96 | |
2283 : | const int32_t iWidth = pParam->width; | ||
2284 : | const int32_t iHeight = pParam->height; | ||
2285 : | edgomez | 195 | const int32_t iEdgedWidth = pParam->edged_width; |
2286 : | chl | 96 | |
2287 : | edgomez | 195 | const uint8_t *cur = pCur->y + x * 16 + y * 16 * iEdgedWidth; |
2288 : | chl | 96 | |
2289 : | int32_t min_dx; | ||
2290 : | int32_t max_dx; | ||
2291 : | int32_t min_dy; | ||
2292 : | int32_t max_dy; | ||
2293 : | edgomez | 195 | |
2294 : | chl | 96 | VECTOR newMV; |
2295 : | VECTOR backupMV; | ||
2296 : | edgomez | 195 | |
2297 : | chl | 96 | VECTOR pmv[4]; |
2298 : | int32_t psad[8]; | ||
2299 : | |||
2300 : | edgomez | 195 | static MACROBLOCK *oldMBs = NULL; |
2301 : | |||
2302 : | // const MACROBLOCK * const pMB = pMBs + x + y * iWcount; | ||
2303 : | const MACROBLOCK *const prevMB = prevMBs + x + y * iWcount; | ||
2304 : | MACROBLOCK *oldMB = NULL; | ||
2305 : | |||
2306 : | chl | 259 | int32_t thresh2; |
2307 : | edgomez | 195 | int32_t bPredEq; |
2308 : | int32_t iMinSAD, iSAD = 9999; | ||
2309 : | chl | 96 | |
2310 : | chl | 181 | MainSearch16FuncPtr MainSearchPtr; |
2311 : | chl | 96 | |
2312 : | edgomez | 195 | if (oldMBs == NULL) { |
2313 : | oldMBs = (MACROBLOCK *) calloc(iWcount * iHcount, sizeof(MACROBLOCK)); | ||
2314 : | // fprintf(stderr,"allocated %d bytes for oldMBs\n",iWcount*iHcount*sizeof(MACROBLOCK)); | ||
2315 : | chl | 96 | } |
2316 : | oldMB = oldMBs + x + y * iWcount; | ||
2317 : | |||
2318 : | /* Get maximum range */ | ||
2319 : | edgomez | 195 | get_range(&min_dx, &max_dx, &min_dy, &max_dy, x, y, 16, iWidth, iHeight, |
2320 : | iFcode); | ||
2321 : | chl | 96 | |
2322 : | edgomez | 195 | if (!(MotionFlags & PMV_HALFPEL16)) { |
2323 : | min_dx = EVEN(min_dx); | ||
2324 : | max_dx = EVEN(max_dx); | ||
2325 : | min_dy = EVEN(min_dy); | ||
2326 : | max_dy = EVEN(max_dy); | ||
2327 : | } | ||
2328 : | /* because we might use something like IF (dx>max_dx) THEN dx=max_dx; */ | ||
2329 : | chl | 285 | //bPredEq = get_pmvdata(pMBs, x, y, iWcount, 0, pmv, psad); |
2330 : | bPredEq = get_pmvdata2(pMBs, iWcount, 0, x, y, 0, pmv, psad); | ||
2331 : | chl | 96 | |
2332 : | /* Step 4: Calculate SAD around the Median prediction. | ||
2333 : | MinSAD=SAD | ||
2334 : | If Motion Vector equal to Previous frame motion vector | ||
2335 : | and MinSAD<PrevFrmSAD goto Step 10. | ||
2336 : | If SAD<=256 goto Step 10. | ||
2337 : | edgomez | 195 | */ |
2338 : | chl | 96 | |
2339 : | // Prepare for main loop | ||
2340 : | |||
2341 : | chl | 326 | currMV->x = start_x; |
2342 : | currMV->y = start_y; | ||
2343 : | |||
2344 : | edgomez | 195 | if (!(MotionFlags & PMV_HALFPEL16)) { |
2345 : | chl | 96 | currMV->x = EVEN(currMV->x); |
2346 : | currMV->y = EVEN(currMV->y); | ||
2347 : | } | ||
2348 : | |||
2349 : | edgomez | 195 | if (currMV->x > max_dx) |
2350 : | currMV->x = max_dx; | ||
2351 : | if (currMV->x < min_dx) | ||
2352 : | currMV->x = min_dx; | ||
2353 : | if (currMV->y > max_dy) | ||
2354 : | currMV->y = max_dy; | ||
2355 : | if (currMV->y < min_dy) | ||
2356 : | currMV->y = min_dy; | ||
2357 : | |||
2358 : | /***************** This is predictor SET A: only median prediction ******************/ | ||
2359 : | |||
2360 : | iMinSAD = | ||
2361 : | sad16(cur, | ||
2362 : | get_ref_mv(pRef, pRefH, pRefV, pRefHV, x, y, 16, currMV, | ||
2363 : | iEdgedWidth), iEdgedWidth, MV_MAX_ERROR); | ||
2364 : | iMinSAD += | ||
2365 : | chl | 326 | calc_delta_16(currMV->x - center_x, currMV->y - center_y, |
2366 : | edgomez | 195 | (uint8_t) iFcode, iQuant); |
2367 : | |||
2368 : | chl | 96 | // thresh1 is fixed to 256 |
2369 : | edgomez | 195 | if ((iMinSAD < 256) || |
2370 : | ((MVequal(*currMV, prevMB->mvs[0])) && | ||
2371 : | chl | 289 | ((int32_t) iMinSAD < prevMB->sad16))) { |
2372 : | edgomez | 195 | if (MotionFlags & PMV_QUICKSTOP16) |
2373 : | goto EPZS16_Terminate_without_Refine; | ||
2374 : | if (MotionFlags & PMV_EARLYSTOP16) | ||
2375 : | goto EPZS16_Terminate_with_Refine; | ||
2376 : | } | ||
2377 : | chl | 96 | |
2378 : | edgomez | 195 | /************** This is predictor SET B: (0,0), prev.frame MV, neighbours **************/ |
2379 : | chl | 96 | |
2380 : | // previous frame MV | ||
2381 : | edgomez | 195 | CHECK_MV16_CANDIDATE(prevMB->mvs[0].x, prevMB->mvs[0].y); |
2382 : | chl | 96 | |
2383 : | // set threshhold based on Min of Prediction and SAD of collocated block | ||
2384 : | // CHECK_MV16 always uses iSAD for the SAD of last vector to check, so now iSAD is what we want | ||
2385 : | |||
2386 : | edgomez | 195 | if ((x == 0) && (y == 0)) { |
2387 : | thresh2 = 512; | ||
2388 : | } else { | ||
2389 : | chl | 96 | /* T_k = 1.2 * MIN(SAD_top,SAD_left,SAD_topleft,SAD_coll) +128; [Tourapis, 2002] */ |
2390 : | |||
2391 : | edgomez | 195 | thresh2 = MIN(psad[0], iSAD) * 6 / 5 + 128; |
2392 : | chl | 96 | } |
2393 : | |||
2394 : | // MV=(0,0) is often a good choice | ||
2395 : | |||
2396 : | CHECK_MV16_ZERO; | ||
2397 : | |||
2398 : | edgomez | 195 | |
2399 : | chl | 96 | // left neighbour, if allowed |
2400 : | edgomez | 195 | if (x != 0) { |
2401 : | if (!(MotionFlags & PMV_HALFPEL16)) { | ||
2402 : | pmv[1].x = EVEN(pmv[1].x); | ||
2403 : | chl | 96 | pmv[1].y = EVEN(pmv[1].y); |
2404 : | } | ||
2405 : | edgomez | 195 | CHECK_MV16_CANDIDATE(pmv[1].x, pmv[1].y); |
2406 : | chl | 96 | } |
2407 : | // top neighbour, if allowed | ||
2408 : | edgomez | 195 | if (y != 0) { |
2409 : | if (!(MotionFlags & PMV_HALFPEL16)) { | ||
2410 : | pmv[2].x = EVEN(pmv[2].x); | ||
2411 : | chl | 96 | pmv[2].y = EVEN(pmv[2].y); |
2412 : | } | ||
2413 : | edgomez | 195 | CHECK_MV16_CANDIDATE(pmv[2].x, pmv[2].y); |
2414 : | |||
2415 : | chl | 96 | // top right neighbour, if allowed |
2416 : | edgomez | 195 | if ((uint32_t) x != (iWcount - 1)) { |
2417 : | if (!(MotionFlags & PMV_HALFPEL16)) { | ||
2418 : | pmv[3].x = EVEN(pmv[3].x); | ||
2419 : | chl | 96 | pmv[3].y = EVEN(pmv[3].y); |
2420 : | } | ||
2421 : | edgomez | 195 | CHECK_MV16_CANDIDATE(pmv[3].x, pmv[3].y); |
2422 : | chl | 96 | } |
2423 : | } | ||
2424 : | |||
2425 : | /* Terminate if MinSAD <= T_2 | ||
2426 : | Terminate if MV[t] == MV[t-1] and MinSAD[t] <= MinSAD[t-1] | ||
2427 : | */ | ||
2428 : | |||
2429 : | edgomez | 195 | if ((iMinSAD <= thresh2) |
2430 : | || (MVequal(*currMV, prevMB->mvs[0]) && | ||
2431 : | chl | 289 | ((int32_t) iMinSAD <= prevMB->sad16))) { |
2432 : | edgomez | 195 | if (MotionFlags & PMV_QUICKSTOP16) |
2433 : | goto EPZS16_Terminate_without_Refine; | ||
2434 : | if (MotionFlags & PMV_EARLYSTOP16) | ||
2435 : | goto EPZS16_Terminate_with_Refine; | ||
2436 : | } | ||
2437 : | chl | 96 | |
2438 : | /***** predictor SET C: acceleration MV (new!), neighbours in prev. frame(new!) ****/ | ||
2439 : | |||
2440 : | edgomez | 195 | backupMV = prevMB->mvs[0]; // collocated MV |
2441 : | backupMV.x += (prevMB->mvs[0].x - oldMB->mvs[0].x); // acceleration X | ||
2442 : | backupMV.y += (prevMB->mvs[0].y - oldMB->mvs[0].y); // acceleration Y | ||
2443 : | chl | 96 | |
2444 : | edgomez | 195 | CHECK_MV16_CANDIDATE(backupMV.x, backupMV.y); |
2445 : | chl | 96 | |
2446 : | // left neighbour | ||
2447 : | edgomez | 195 | if (x != 0) |
2448 : | CHECK_MV16_CANDIDATE((prevMB - 1)->mvs[0].x, (prevMB - 1)->mvs[0].y); | ||
2449 : | chl | 96 | |
2450 : | // top neighbour | ||
2451 : | if (y != 0) | ||
2452 : | edgomez | 195 | CHECK_MV16_CANDIDATE((prevMB - iWcount)->mvs[0].x, |
2453 : | (prevMB - iWcount)->mvs[0].y); | ||
2454 : | chl | 96 | |
2455 : | // right neighbour, if allowed (this value is not written yet, so take it from pMB->mvs | ||
2456 : | |||
2457 : | edgomez | 195 | if ((uint32_t) x != iWcount - 1) |
2458 : | CHECK_MV16_CANDIDATE((prevMB + 1)->mvs[0].x, (prevMB + 1)->mvs[0].y); | ||
2459 : | chl | 96 | |
2460 : | // bottom neighbour, dito | ||
2461 : | edgomez | 195 | if ((uint32_t) y != iHcount - 1) |
2462 : | CHECK_MV16_CANDIDATE((prevMB + iWcount)->mvs[0].x, | ||
2463 : | (prevMB + iWcount)->mvs[0].y); | ||
2464 : | chl | 96 | |
2465 : | /* Terminate if MinSAD <= T_3 (here T_3 = T_2) */ | ||
2466 : | edgomez | 195 | if (iMinSAD <= thresh2) { |
2467 : | if (MotionFlags & PMV_QUICKSTOP16) | ||
2468 : | goto EPZS16_Terminate_without_Refine; | ||
2469 : | if (MotionFlags & PMV_EARLYSTOP16) | ||
2470 : | goto EPZS16_Terminate_with_Refine; | ||
2471 : | } | ||
2472 : | chl | 96 | |
2473 : | /************ (if Diamond Search) **************/ | ||
2474 : | |||
2475 : | edgomez | 195 | backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
2476 : | chl | 96 | |
2477 : | chl | 261 | if (MotionFlags & PMV_USESQUARES16) |
2478 : | chl | 184 | MainSearchPtr = Square16_MainSearch; |
2479 : | else | ||
2480 : | chl | 261 | if (MotionFlags & PMV_ADVANCEDDIAMOND16) |
2481 : | chl | 184 | MainSearchPtr = AdvDiamond16_MainSearch; |
2482 : | else | ||
2483 : | MainSearchPtr = Diamond16_MainSearch; | ||
2484 : | |||
2485 : | chl | 96 | /* default: use best prediction as starting point for one call of PMVfast_MainSearch */ |
2486 : | |||
2487 : | edgomez | 195 | iSAD = |
2488 : | (*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV->x, | ||
2489 : | chl | 326 | currMV->y, iMinSAD, &newMV, center_x, center_y, min_dx, max_dx, |
2490 : | edgomez | 195 | min_dy, max_dy, iEdgedWidth, 2, iFcode, iQuant, 0); |
2491 : | |||
2492 : | if (iSAD < iMinSAD) { | ||
2493 : | chl | 96 | *currMV = newMV; |
2494 : | iMinSAD = iSAD; | ||
2495 : | } | ||
2496 : | |||
2497 : | |||
2498 : | edgomez | 195 | if (MotionFlags & PMV_EXTSEARCH16) { |
2499 : | chl | 96 | /* extended mode: search (up to) two more times: orignal prediction and (0,0) */ |
2500 : | |||
2501 : | edgomez | 195 | if (!(MVequal(pmv[0], backupMV))) { |
2502 : | iSAD = | ||
2503 : | (*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, | ||
2504 : | chl | 326 | pmv[0].x, pmv[0].y, iMinSAD, &newMV, center_x, center_y, |
2505 : | edgomez | 195 | min_dx, max_dx, min_dy, max_dy, iEdgedWidth, |
2506 : | 2, iFcode, iQuant, 0); | ||
2507 : | chl | 96 | } |
2508 : | edgomez | 195 | |
2509 : | if (iSAD < iMinSAD) { | ||
2510 : | chl | 96 | *currMV = newMV; |
2511 : | iMinSAD = iSAD; | ||
2512 : | } | ||
2513 : | edgomez | 195 | |
2514 : | if ((!(MVzero(pmv[0]))) && (!(MVzero(backupMV)))) { | ||
2515 : | iSAD = | ||
2516 : | (*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, 0, 0, | ||
2517 : | chl | 326 | iMinSAD, &newMV, center_x, center_y, min_dx, max_dx, min_dy, |
2518 : | edgomez | 195 | max_dy, iEdgedWidth, 2, iFcode, iQuant, 0); |
2519 : | |||
2520 : | if (iSAD < iMinSAD) { | ||
2521 : | chl | 96 | *currMV = newMV; |
2522 : | iMinSAD = iSAD; | ||
2523 : | } | ||
2524 : | } | ||
2525 : | } | ||
2526 : | |||
2527 : | /*************** Choose best MV found **************/ | ||
2528 : | |||
2529 : | edgomez | 195 | EPZS16_Terminate_with_Refine: |
2530 : | if (MotionFlags & PMV_HALFPELREFINE16) // perform final half-pel step | ||
2531 : | iMinSAD = | ||
2532 : | Halfpel16_Refine(pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV, | ||
2533 : | chl | 326 | iMinSAD, center_x, center_y, min_dx, max_dx, min_dy, max_dy, |
2534 : | edgomez | 195 | iFcode, iQuant, iEdgedWidth); |
2535 : | chl | 96 | |
2536 : | edgomez | 195 | EPZS16_Terminate_without_Refine: |
2537 : | chl | 96 | |
2538 : | chl | 141 | *oldMB = *prevMB; |
2539 : | edgomez | 195 | |
2540 : | chl | 326 | currPMV->x = currMV->x - center_x; |
2541 : | currPMV->y = currMV->y - center_y; | ||
2542 : | chl | 96 | return iMinSAD; |
2543 : | } | ||
2544 : | |||
2545 : | |||
2546 : | edgomez | 195 | int32_t |
2547 : | EPZSSearch8(const uint8_t * const pRef, | ||
2548 : | const uint8_t * const pRefH, | ||
2549 : | const uint8_t * const pRefV, | ||
2550 : | const uint8_t * const pRefHV, | ||
2551 : | const IMAGE * const pCur, | ||
2552 : | const int x, | ||
2553 : | const int y, | ||
2554 : | const int start_x, | ||
2555 : | const int start_y, | ||
2556 : | chl | 326 | const int center_x, |
2557 : | const int center_y, | ||
2558 : | edgomez | 195 | const uint32_t MotionFlags, |
2559 : | const uint32_t iQuant, | ||
2560 : | const uint32_t iFcode, | ||
2561 : | const MBParam * const pParam, | ||
2562 : | const MACROBLOCK * const pMBs, | ||
2563 : | const MACROBLOCK * const prevMBs, | ||
2564 : | VECTOR * const currMV, | ||
2565 : | VECTOR * const currPMV) | ||
2566 : | chl | 96 | { |
2567 : | chl | 141 | /* Please not that EPZS might not be a good choice for 8x8-block motion search ! */ |
2568 : | |||
2569 : | const uint32_t iWcount = pParam->mb_width; | ||
2570 : | chl | 96 | const int32_t iWidth = pParam->width; |
2571 : | const int32_t iHeight = pParam->height; | ||
2572 : | edgomez | 195 | const int32_t iEdgedWidth = pParam->edged_width; |
2573 : | chl | 96 | |
2574 : | edgomez | 195 | const uint8_t *cur = pCur->y + x * 8 + y * 8 * iEdgedWidth; |
2575 : | chl | 96 | |
2576 : | edgomez | 195 | int32_t iDiamondSize = 1; |
2577 : | |||
2578 : | chl | 96 | int32_t min_dx; |
2579 : | int32_t max_dx; | ||
2580 : | int32_t min_dy; | ||
2581 : | int32_t max_dy; | ||
2582 : | edgomez | 195 | |
2583 : | chl | 96 | VECTOR newMV; |
2584 : | VECTOR backupMV; | ||
2585 : | edgomez | 195 | |
2586 : | chl | 96 | VECTOR pmv[4]; |
2587 : | int32_t psad[8]; | ||
2588 : | |||
2589 : | edgomez | 195 | const int32_t iSubBlock = ((y & 1) << 1) + (x & 1); |
2590 : | chl | 96 | |
2591 : | edgomez | 195 | // const MACROBLOCK * const pMB = pMBs + (x>>1) + (y>>1) * iWcount; |
2592 : | const MACROBLOCK *const prevMB = prevMBs + (x >> 1) + (y >> 1) * iWcount; | ||
2593 : | chl | 96 | |
2594 : | edgomez | 195 | int32_t bPredEq; |
2595 : | int32_t iMinSAD, iSAD = 9999; | ||
2596 : | |||
2597 : | chl | 181 | MainSearch8FuncPtr MainSearchPtr; |
2598 : | chl | 96 | |
2599 : | /* Get maximum range */ | ||
2600 : | edgomez | 195 | get_range(&min_dx, &max_dx, &min_dy, &max_dy, x, y, 8, iWidth, iHeight, |
2601 : | iFcode); | ||
2602 : | chl | 96 | |
2603 : | /* we work with abs. MVs, not relative to prediction, so get_range is called relative to 0,0 */ | ||
2604 : | |||
2605 : | edgomez | 195 | if (!(MotionFlags & PMV_HALFPEL8)) { |
2606 : | min_dx = EVEN(min_dx); | ||
2607 : | max_dx = EVEN(max_dx); | ||
2608 : | min_dy = EVEN(min_dy); | ||
2609 : | max_dy = EVEN(max_dy); | ||
2610 : | } | ||
2611 : | /* because we might use something like IF (dx>max_dx) THEN dx=max_dx; */ | ||
2612 : | chl | 326 | //bPredEq = get_pmvdata(pMBs, x >> 1, y >> 1, iWcount, iSubBlock, pmv[0].x, pmv[0].y, psad); |
2613 : | chl | 285 | bPredEq = get_pmvdata2(pMBs, iWcount, 0, x >> 1, y >> 1, iSubBlock, pmv, psad); |
2614 : | chl | 96 | |
2615 : | |||
2616 : | /* Step 4: Calculate SAD around the Median prediction. | ||
2617 : | MinSAD=SAD | ||
2618 : | If Motion Vector equal to Previous frame motion vector | ||
2619 : | and MinSAD<PrevFrmSAD goto Step 10. | ||
2620 : | If SAD<=256 goto Step 10. | ||
2621 : | */ | ||
2622 : | |||
2623 : | // Prepare for main loop | ||
2624 : | |||
2625 : | edgomez | 195 | |
2626 : | if (!(MotionFlags & PMV_HALFPEL8)) { | ||
2627 : | chl | 96 | currMV->x = EVEN(currMV->x); |
2628 : | currMV->y = EVEN(currMV->y); | ||
2629 : | } | ||
2630 : | |||
2631 : | edgomez | 195 | if (currMV->x > max_dx) |
2632 : | currMV->x = max_dx; | ||
2633 : | if (currMV->x < min_dx) | ||
2634 : | currMV->x = min_dx; | ||
2635 : | if (currMV->y > max_dy) | ||
2636 : | currMV->y = max_dy; | ||
2637 : | if (currMV->y < min_dy) | ||
2638 : | currMV->y = min_dy; | ||
2639 : | chl | 96 | |
2640 : | edgomez | 195 | /***************** This is predictor SET A: only median prediction ******************/ |
2641 : | chl | 96 | |
2642 : | edgomez | 195 | |
2643 : | iMinSAD = | ||
2644 : | sad8(cur, | ||
2645 : | get_ref_mv(pRef, pRefH, pRefV, pRefHV, x, y, 8, currMV, | ||
2646 : | iEdgedWidth), iEdgedWidth); | ||
2647 : | iMinSAD += | ||
2648 : | chl | 326 | calc_delta_8(currMV->x - center_x, currMV->y - center_y, |
2649 : | edgomez | 195 | (uint8_t) iFcode, iQuant); |
2650 : | |||
2651 : | |||
2652 : | chl | 96 | // thresh1 is fixed to 256 |
2653 : | edgomez | 195 | if (iMinSAD < 256 / 4) { |
2654 : | if (MotionFlags & PMV_QUICKSTOP8) | ||
2655 : | goto EPZS8_Terminate_without_Refine; | ||
2656 : | if (MotionFlags & PMV_EARLYSTOP8) | ||
2657 : | goto EPZS8_Terminate_with_Refine; | ||
2658 : | } | ||
2659 : | chl | 96 | |
2660 : | edgomez | 195 | /************** This is predictor SET B: (0,0), prev.frame MV, neighbours **************/ |
2661 : | chl | 96 | |
2662 : | |||
2663 : | // MV=(0,0) is often a good choice | ||
2664 : | CHECK_MV8_ZERO; | ||
2665 : | |||
2666 : | chl | 141 | // previous frame MV |
2667 : | edgomez | 195 | CHECK_MV8_CANDIDATE(prevMB->mvs[iSubBlock].x, prevMB->mvs[iSubBlock].y); |
2668 : | |||
2669 : | chl | 141 | // left neighbour, if allowed |
2670 : | edgomez | 195 | if (psad[1] != MV_MAX_ERROR) { |
2671 : | if (!(MotionFlags & PMV_HALFPEL8)) { | ||
2672 : | pmv[1].x = EVEN(pmv[1].x); | ||
2673 : | chl | 141 | pmv[1].y = EVEN(pmv[1].y); |
2674 : | } | ||
2675 : | edgomez | 195 | CHECK_MV8_CANDIDATE(pmv[1].x, pmv[1].y); |
2676 : | chl | 141 | } |
2677 : | // top neighbour, if allowed | ||
2678 : | edgomez | 195 | if (psad[2] != MV_MAX_ERROR) { |
2679 : | if (!(MotionFlags & PMV_HALFPEL8)) { | ||
2680 : | pmv[2].x = EVEN(pmv[2].x); | ||
2681 : | chl | 141 | pmv[2].y = EVEN(pmv[2].y); |
2682 : | } | ||
2683 : | edgomez | 195 | CHECK_MV8_CANDIDATE(pmv[2].x, pmv[2].y); |
2684 : | |||
2685 : | chl | 141 | // top right neighbour, if allowed |
2686 : | edgomez | 195 | if (psad[3] != MV_MAX_ERROR) { |
2687 : | if (!(MotionFlags & PMV_HALFPEL8)) { | ||
2688 : | pmv[3].x = EVEN(pmv[3].x); | ||
2689 : | chl | 141 | pmv[3].y = EVEN(pmv[3].y); |
2690 : | } | ||
2691 : | edgomez | 195 | CHECK_MV8_CANDIDATE(pmv[3].x, pmv[3].y); |
2692 : | chl | 141 | } |
2693 : | } | ||
2694 : | |||
2695 : | /* // this bias is zero anyway, at the moment! | ||
2696 : | |||
2697 : | if ( (MVzero(*currMV)) && (!MVzero(pmv[0])) ) // && (iMinSAD <= iQuant * 96) | ||
2698 : | iMinSAD -= MV8_00_BIAS; | ||
2699 : | |||
2700 : | edgomez | 195 | */ |
2701 : | chl | 141 | |
2702 : | chl | 96 | /* Terminate if MinSAD <= T_2 |
2703 : | Terminate if MV[t] == MV[t-1] and MinSAD[t] <= MinSAD[t-1] | ||
2704 : | */ | ||
2705 : | |||
2706 : | edgomez | 195 | if (iMinSAD < 512 / 4) { /* T_2 == 512/4 hardcoded */ |
2707 : | if (MotionFlags & PMV_QUICKSTOP8) | ||
2708 : | goto EPZS8_Terminate_without_Refine; | ||
2709 : | if (MotionFlags & PMV_EARLYSTOP8) | ||
2710 : | goto EPZS8_Terminate_with_Refine; | ||
2711 : | } | ||
2712 : | chl | 96 | |
2713 : | chl | 141 | /************ (Diamond Search) **************/ |
2714 : | chl | 96 | |
2715 : | edgomez | 195 | backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
2716 : | chl | 96 | |
2717 : | if (!(MotionFlags & PMV_HALFPELDIAMOND8)) | ||
2718 : | iDiamondSize *= 2; | ||
2719 : | edgomez | 195 | |
2720 : | chl | 141 | /* default: use best prediction as starting point for one call of EPZS_MainSearch */ |
2721 : | chl | 96 | |
2722 : | chl | 184 | // there is no EPZS^2 for inter4v at the moment |
2723 : | chl | 141 | |
2724 : | chl | 345 | if (MotionFlags & PMV_USESQUARES8) |
2725 : | MainSearchPtr = Square8_MainSearch; | ||
2726 : | else | ||
2727 : | chl | 181 | |
2728 : | if (MotionFlags & PMV_ADVANCEDDIAMOND8) | ||
2729 : | MainSearchPtr = AdvDiamond8_MainSearch; | ||
2730 : | else | ||
2731 : | MainSearchPtr = Diamond8_MainSearch; | ||
2732 : | |||
2733 : | edgomez | 195 | iSAD = |
2734 : | (*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV->x, | ||
2735 : | chl | 326 | currMV->y, iMinSAD, &newMV, center_x, center_y, min_dx, max_dx, |
2736 : | edgomez | 195 | min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, |
2737 : | iQuant, 0); | ||
2738 : | chl | 96 | |
2739 : | chl | 141 | |
2740 : | edgomez | 195 | if (iSAD < iMinSAD) { |
2741 : | chl | 96 | *currMV = newMV; |
2742 : | iMinSAD = iSAD; | ||
2743 : | } | ||
2744 : | |||
2745 : | edgomez | 195 | if (MotionFlags & PMV_EXTSEARCH8) { |
2746 : | chl | 96 | /* extended mode: search (up to) two more times: orignal prediction and (0,0) */ |
2747 : | |||
2748 : | edgomez | 195 | if (!(MVequal(pmv[0], backupMV))) { |
2749 : | iSAD = | ||
2750 : | (*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, | ||
2751 : | chl | 326 | pmv[0].x, pmv[0].y, iMinSAD, &newMV, center_x, center_y, |
2752 : | edgomez | 195 | min_dx, max_dx, min_dy, max_dy, iEdgedWidth, |
2753 : | iDiamondSize, iFcode, iQuant, 0); | ||
2754 : | |||
2755 : | if (iSAD < iMinSAD) { | ||
2756 : | chl | 96 | *currMV = newMV; |
2757 : | iMinSAD = iSAD; | ||
2758 : | } | ||
2759 : | } | ||
2760 : | |||
2761 : | edgomez | 195 | if ((!(MVzero(pmv[0]))) && (!(MVzero(backupMV)))) { |
2762 : | iSAD = | ||
2763 : | (*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, 0, 0, | ||
2764 : | chl | 326 | iMinSAD, &newMV, center_x, center_y, min_dx, max_dx, min_dy, |
2765 : | edgomez | 195 | max_dy, iEdgedWidth, iDiamondSize, iFcode, |
2766 : | iQuant, 0); | ||
2767 : | |||
2768 : | if (iSAD < iMinSAD) { | ||
2769 : | chl | 96 | *currMV = newMV; |
2770 : | iMinSAD = iSAD; | ||
2771 : | } | ||
2772 : | } | ||
2773 : | } | ||
2774 : | |||
2775 : | /*************** Choose best MV found **************/ | ||
2776 : | |||
2777 : | edgomez | 195 | EPZS8_Terminate_with_Refine: |
2778 : | if (MotionFlags & PMV_HALFPELREFINE8) // perform final half-pel step | ||
2779 : | iMinSAD = | ||
2780 : | Halfpel8_Refine(pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV, | ||
2781 : | chl | 326 | iMinSAD, center_x, center_y, min_dx, max_dx, min_dy, max_dy, |
2782 : | edgomez | 195 | iFcode, iQuant, iEdgedWidth); |
2783 : | chl | 96 | |
2784 : | edgomez | 195 | EPZS8_Terminate_without_Refine: |
2785 : | chl | 96 | |
2786 : | chl | 326 | currPMV->x = currMV->x - center_x; |
2787 : | currPMV->y = currMV->y - center_y; | ||
2788 : | chl | 96 | return iMinSAD; |
2789 : | } | ||
2790 : | |||
2791 : | suxen_drol | 118 | |
2792 : | |||
2793 : | chl | 289 | int32_t |
2794 : | PMVfastIntSearch16(const uint8_t * const pRef, | ||
2795 : | const uint8_t * const pRefH, | ||
2796 : | const uint8_t * const pRefV, | ||
2797 : | const uint8_t * const pRefHV, | ||
2798 : | const IMAGE * const pCur, | ||
2799 : | const int x, | ||
2800 : | const int y, | ||
2801 : | chl | 346 | const int start_x, /* start should be most likely vector */ |
2802 : | const int start_y, | ||
2803 : | const int center_x, /* center is from where length of MVs is measured */ | ||
2804 : | const int center_y, | ||
2805 : | chl | 289 | const uint32_t MotionFlags, |
2806 : | const uint32_t iQuant, | ||
2807 : | const uint32_t iFcode, | ||
2808 : | const MBParam * const pParam, | ||
2809 : | const MACROBLOCK * const pMBs, | ||
2810 : | const MACROBLOCK * const prevMBs, | ||
2811 : | VECTOR * const currMV, | ||
2812 : | VECTOR * const currPMV) | ||
2813 : | { | ||
2814 : | const uint32_t iWcount = pParam->mb_width; | ||
2815 : | const int32_t iWidth = pParam->width; | ||
2816 : | const int32_t iHeight = pParam->height; | ||
2817 : | const int32_t iEdgedWidth = pParam->edged_width; | ||
2818 : | suxen_drol | 118 | |
2819 : | chl | 289 | const uint8_t *cur = pCur->y + x * 16 + y * 16 * iEdgedWidth; |
2820 : | const VECTOR zeroMV = { 0, 0 }; | ||
2821 : | suxen_drol | 118 | |
2822 : | chl | 289 | int32_t iDiamondSize; |
2823 : | |||
2824 : | int32_t min_dx; | ||
2825 : | int32_t max_dx; | ||
2826 : | int32_t min_dy; | ||
2827 : | int32_t max_dy; | ||
2828 : | |||
2829 : | int32_t iFound; | ||
2830 : | |||
2831 : | VECTOR newMV; | ||
2832 : | chl | 346 | VECTOR backupMV; |
2833 : | chl | 289 | |
2834 : | VECTOR pmv[4]; | ||
2835 : | int32_t psad[4]; | ||
2836 : | |||
2837 : | MainSearch16FuncPtr MainSearchPtr; | ||
2838 : | |||
2839 : | const MACROBLOCK *const prevMB = prevMBs + x + y * iWcount; | ||
2840 : | MACROBLOCK *const pMB = pMBs + x + y * iWcount; | ||
2841 : | |||
2842 : | int32_t threshA, threshB; | ||
2843 : | int32_t bPredEq; | ||
2844 : | int32_t iMinSAD, iSAD; | ||
2845 : | chl | 326 | |
2846 : | chl | 289 | |
2847 : | /* Get maximum range */ | ||
2848 : | get_range(&min_dx, &max_dx, &min_dy, &max_dy, x, y, 16, iWidth, iHeight, | ||
2849 : | iFcode); | ||
2850 : | |||
2851 : | /* we work with abs. MVs, not relative to prediction, so get_range is called relative to 0,0 */ | ||
2852 : | |||
2853 : | if ((x == 0) && (y == 0)) { | ||
2854 : | threshA = 512; | ||
2855 : | threshB = 1024; | ||
2856 : | |||
2857 : | bPredEq = 0; | ||
2858 : | psad[0] = psad[1] = psad[2] = psad[3] = 0; | ||
2859 : | *currMV = pmv[0] = pmv[1] = pmv[2] = pmv[3] = zeroMV; | ||
2860 : | |||
2861 : | } else { | ||
2862 : | chl | 370 | |
2863 : | bPredEq = get_ipmvdata(pMBs, iWcount, 0, x, y, 0, pmv, psad); | ||
2864 : | |||
2865 : | chl | 289 | threshA = psad[0]; |
2866 : | threshB = threshA + 256; | ||
2867 : | if (threshA < 512) | ||
2868 : | threshA = 512; | ||
2869 : | if (threshA > 1024) | ||
2870 : | threshA = 1024; | ||
2871 : | if (threshB > 1792) | ||
2872 : | threshB = 1792; | ||
2873 : | |||
2874 : | *currMV = pmv[0]; /* current best := prediction */ | ||
2875 : | } | ||
2876 : | |||
2877 : | iFound = 0; | ||
2878 : | |||
2879 : | /* Step 4: Calculate SAD around the Median prediction. | ||
2880 : | MinSAD=SAD | ||
2881 : | If Motion Vector equal to Previous frame motion vector | ||
2882 : | and MinSAD<PrevFrmSAD goto Step 10. | ||
2883 : | If SAD<=256 goto Step 10. | ||
2884 : | */ | ||
2885 : | |||
2886 : | if (currMV->x > max_dx) { | ||
2887 : | currMV->x = EVEN(max_dx); | ||
2888 : | } | ||
2889 : | if (currMV->x < min_dx) { | ||
2890 : | currMV->x = EVEN(min_dx); | ||
2891 : | } | ||
2892 : | if (currMV->y > max_dy) { | ||
2893 : | currMV->y = EVEN(max_dy); | ||
2894 : | } | ||
2895 : | if (currMV->y < min_dy) { | ||
2896 : | currMV->y = EVEN(min_dy); | ||
2897 : | } | ||
2898 : | |||
2899 : | iMinSAD = | ||
2900 : | sad16(cur, | ||
2901 : | chl | 312 | get_iref_mv(pRef, x, y, 16, currMV, |
2902 : | chl | 289 | iEdgedWidth), iEdgedWidth, MV_MAX_ERROR); |
2903 : | iMinSAD += | ||
2904 : | chl | 326 | calc_delta_16(currMV->x - center_x, currMV->y - center_y, |
2905 : | chl | 289 | (uint8_t) iFcode, iQuant); |
2906 : | |||
2907 : | if ((iMinSAD < 256) || | ||
2908 : | ((MVequal(*currMV, prevMB->i_mvs[0])) && | ||
2909 : | ((int32_t) iMinSAD < prevMB->i_sad16))) { | ||
2910 : | if (iMinSAD < 2 * iQuant) // high chances for SKIP-mode | ||
2911 : | { | ||
2912 : | if (!MVzero(*currMV)) { | ||
2913 : | iMinSAD += MV16_00_BIAS; | ||
2914 : | CHECK_MV16_ZERO; // (0,0) saves space for letterboxed pictures | ||
2915 : | iMinSAD -= MV16_00_BIAS; | ||
2916 : | } | ||
2917 : | } | ||
2918 : | |||
2919 : | if (MotionFlags & PMV_EARLYSTOP16) | ||
2920 : | goto PMVfastInt16_Terminate_with_Refine; | ||
2921 : | } | ||
2922 : | |||
2923 : | |||
2924 : | /* Step 2 (lazy eval): Calculate Distance= |MedianMVX| + |MedianMVY| where MedianMV is the motion | ||
2925 : | vector of the median. | ||
2926 : | If PredEq=1 and MVpredicted = Previous Frame MV, set Found=2 | ||
2927 : | */ | ||
2928 : | |||
2929 : | if ((bPredEq) && (MVequal(pmv[0], prevMB->i_mvs[0]))) | ||
2930 : | iFound = 2; | ||
2931 : | |||
2932 : | /* Step 3 (lazy eval): If Distance>0 or thresb<1536 or PredEq=1 Select small Diamond Search. | ||
2933 : | Otherwise select large Diamond Search. | ||
2934 : | */ | ||
2935 : | |||
2936 : | if ((!MVzero(pmv[0])) || (threshB < 1536) || (bPredEq)) | ||
2937 : | iDiamondSize = 2; // halfpel units! | ||
2938 : | else | ||
2939 : | iDiamondSize = 4; // halfpel units! | ||
2940 : | |||
2941 : | /* | ||
2942 : | Step 5: Calculate SAD for motion vectors taken from left block, top, top-right, and Previous frame block. | ||
2943 : | Also calculate (0,0) but do not subtract offset. | ||
2944 : | Let MinSAD be the smallest SAD up to this point. | ||
2945 : | If MV is (0,0) subtract offset. | ||
2946 : | */ | ||
2947 : | |||
2948 : | // (0,0) is often a good choice | ||
2949 : | |||
2950 : | if (!MVzero(pmv[0])) | ||
2951 : | CHECK_MV16_ZERO; | ||
2952 : | |||
2953 : | // previous frame MV is always possible | ||
2954 : | |||
2955 : | if (!MVzero(prevMB->i_mvs[0])) | ||
2956 : | if (!MVequal(prevMB->i_mvs[0], pmv[0])) | ||
2957 : | CHECK_MV16_CANDIDATE(prevMB->i_mvs[0].x, prevMB->i_mvs[0].y); | ||
2958 : | |||
2959 : | // left neighbour, if allowed | ||
2960 : | |||
2961 : | if (!MVzero(pmv[1])) | ||
2962 : | if (!MVequal(pmv[1], prevMB->i_mvs[0])) | ||
2963 : | if (!MVequal(pmv[1], pmv[0])) | ||
2964 : | CHECK_MV16_CANDIDATE(pmv[1].x, pmv[1].y); | ||
2965 : | |||
2966 : | // top neighbour, if allowed | ||
2967 : | if (!MVzero(pmv[2])) | ||
2968 : | if (!MVequal(pmv[2], prevMB->i_mvs[0])) | ||
2969 : | if (!MVequal(pmv[2], pmv[0])) | ||
2970 : | if (!MVequal(pmv[2], pmv[1])) | ||
2971 : | CHECK_MV16_CANDIDATE(pmv[2].x, pmv[2].y); | ||
2972 : | |||
2973 : | // top right neighbour, if allowed | ||
2974 : | if (!MVzero(pmv[3])) | ||
2975 : | if (!MVequal(pmv[3], prevMB->i_mvs[0])) | ||
2976 : | if (!MVequal(pmv[3], pmv[0])) | ||
2977 : | if (!MVequal(pmv[3], pmv[1])) | ||
2978 : | if (!MVequal(pmv[3], pmv[2])) | ||
2979 : | CHECK_MV16_CANDIDATE(pmv[3].x, | ||
2980 : | pmv[3].y); | ||
2981 : | |||
2982 : | if ((MVzero(*currMV)) && | ||
2983 : | (!MVzero(pmv[0])) /* && (iMinSAD <= iQuant * 96) */ ) | ||
2984 : | iMinSAD -= MV16_00_BIAS; | ||
2985 : | |||
2986 : | |||
2987 : | /* Step 6: If MinSAD <= thresa goto Step 10. | ||
2988 : | If Motion Vector equal to Previous frame motion vector and MinSAD<PrevFrmSAD goto Step 10. | ||
2989 : | */ | ||
2990 : | |||
2991 : | if ((iMinSAD <= threshA) || | ||
2992 : | (MVequal(*currMV, prevMB->i_mvs[0]) && | ||
2993 : | ((int32_t) iMinSAD < prevMB->i_sad16))) { | ||
2994 : | |||
2995 : | if (MotionFlags & PMV_EARLYSTOP16) | ||
2996 : | goto PMVfastInt16_Terminate_with_Refine; | ||
2997 : | } | ||
2998 : | |||
2999 : | |||
3000 : | /************ (Diamond Search) **************/ | ||
3001 : | /* | ||
3002 : | Step 7: Perform Diamond search, with either the small or large diamond. | ||
3003 : | If Found=2 only examine one Diamond pattern, and afterwards goto step 10 | ||
3004 : | Step 8: If small diamond, iterate small diamond search pattern until motion vector lies in the center of the diamond. | ||
3005 : | If center then goto step 10. | ||
3006 : | Step 9: If large diamond, iterate large diamond search pattern until motion vector lies in the center. | ||
3007 : | Refine by using small diamond and goto step 10. | ||
3008 : | */ | ||
3009 : | |||
3010 : | if (MotionFlags & PMV_USESQUARES16) | ||
3011 : | MainSearchPtr = Square16_MainSearch; | ||
3012 : | else if (MotionFlags & PMV_ADVANCEDDIAMOND16) | ||
3013 : | MainSearchPtr = AdvDiamond16_MainSearch; | ||
3014 : | else | ||
3015 : | MainSearchPtr = Diamond16_MainSearch; | ||
3016 : | |||
3017 : | backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ | ||
3018 : | |||
3019 : | |||
3020 : | /* default: use best prediction as starting point for one call of PMVfast_MainSearch */ | ||
3021 : | iSAD = | ||
3022 : | (*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV->x, | ||
3023 : | chl | 326 | currMV->y, iMinSAD, &newMV, center_x, center_y, min_dx, max_dx, |
3024 : | chl | 289 | min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, |
3025 : | iQuant, iFound); | ||
3026 : | |||
3027 : | if (iSAD < iMinSAD) { | ||
3028 : | *currMV = newMV; | ||
3029 : | iMinSAD = iSAD; | ||
3030 : | } | ||
3031 : | |||
3032 : | if (MotionFlags & PMV_EXTSEARCH16) { | ||
3033 : | /* extended: search (up to) two more times: orignal prediction and (0,0) */ | ||
3034 : | |||
3035 : | if (!(MVequal(pmv[0], backupMV))) { | ||
3036 : | iSAD = | ||
3037 : | (*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, | ||
3038 : | chl | 326 | pmv[0].x, pmv[0].y, iMinSAD, &newMV, center_x, center_y, |
3039 : | chl | 289 | min_dx, max_dx, min_dy, max_dy, iEdgedWidth, |
3040 : | iDiamondSize, iFcode, iQuant, iFound); | ||
3041 : | |||
3042 : | if (iSAD < iMinSAD) { | ||
3043 : | *currMV = newMV; | ||
3044 : | iMinSAD = iSAD; | ||
3045 : | } | ||
3046 : | } | ||
3047 : | |||
3048 : | if ((!(MVzero(pmv[0]))) && (!(MVzero(backupMV)))) { | ||
3049 : | iSAD = | ||
3050 : | (*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, 0, 0, | ||
3051 : | chl | 326 | iMinSAD, &newMV, center_x, center_y, min_dx, max_dx, min_dy, |
3052 : | chl | 289 | max_dy, iEdgedWidth, iDiamondSize, iFcode, |
3053 : | iQuant, iFound); | ||
3054 : | |||
3055 : | if (iSAD < iMinSAD) { | ||
3056 : | *currMV = newMV; | ||
3057 : | iMinSAD = iSAD; | ||
3058 : | } | ||
3059 : | } | ||
3060 : | } | ||
3061 : | |||
3062 : | /* | ||
3063 : | Step 10: The motion vector is chosen according to the block corresponding to MinSAD. | ||
3064 : | */ | ||
3065 : | |||
3066 : | PMVfastInt16_Terminate_with_Refine: | ||
3067 : | |||
3068 : | pMB->i_mvs[0] = pMB->i_mvs[1] = pMB->i_mvs[2] = pMB->i_mvs[3] = pMB->i_mv16 = *currMV; | ||
3069 : | pMB->i_sad8[0] = pMB->i_sad8[1] = pMB->i_sad8[2] = pMB->i_sad8[3] = pMB->i_sad16 = iMinSAD; | ||
3070 : | |||
3071 : | if (MotionFlags & PMV_HALFPELREFINE16) // perform final half-pel step | ||
3072 : | iMinSAD = | ||
3073 : | Halfpel16_Refine(pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV, | ||
3074 : | chl | 326 | iMinSAD, center_x, center_y, min_dx, max_dx, min_dy, max_dy, |
3075 : | chl | 289 | iFcode, iQuant, iEdgedWidth); |
3076 : | |||
3077 : | pmv[0] = get_pmv2(pMBs, pParam->mb_width, 0, x, y, 0); // get _REAL_ prediction (halfpel possible) | ||
3078 : | |||
3079 : | PMVfastInt16_Terminate_without_Refine: | ||
3080 : | chl | 326 | currPMV->x = currMV->x - center_x; |
3081 : | currPMV->y = currMV->y - center_y; | ||
3082 : | chl | 289 | return iMinSAD; |
3083 : | } | ||
3084 : | |||
3085 : | |||
3086 : | |||
3087 : | suxen_drol | 118 | /* *********************************************************** |
3088 : | bvop motion estimation | ||
3089 : | ***************************************************************/ | ||
3090 : | |||
3091 : | edgomez | 195 | void |
3092 : | MotionEstimationBVOP(MBParam * const pParam, | ||
3093 : | FRAMEINFO * const frame, | ||
3094 : | chl | 317 | const int32_t time_bp, |
3095 : | const int32_t time_pp, | ||
3096 : | edgomez | 195 | // forward (past) reference |
3097 : | const MACROBLOCK * const f_mbs, | ||
3098 : | const IMAGE * const f_ref, | ||
3099 : | const IMAGE * const f_refH, | ||
3100 : | const IMAGE * const f_refV, | ||
3101 : | const IMAGE * const f_refHV, | ||
3102 : | // backward (future) reference | ||
3103 : | const MACROBLOCK * const b_mbs, | ||
3104 : | const IMAGE * const b_ref, | ||
3105 : | const IMAGE * const b_refH, | ||
3106 : | const IMAGE * const b_refV, | ||
3107 : | const IMAGE * const b_refHV) | ||
3108 : | suxen_drol | 118 | { |
3109 : | chl | 312 | const int mb_width = pParam->mb_width; |
3110 : | const int mb_height = pParam->mb_height; | ||
3111 : | const int edged_width = pParam->edged_width; | ||
3112 : | suxen_drol | 118 | |
3113 : | chl | 346 | const int32_t iWidth = pParam->width; |
3114 : | const int32_t iHeight = pParam->height; | ||
3115 : | |||
3116 : | chl | 317 | int i, j, k; |
3117 : | edgomez | 195 | |
3118 : | chl | 317 | static const VECTOR zeroMV={0,0}; |
3119 : | chl | 312 | |
3120 : | int f_sad16; /* forward (as usual) search */ | ||
3121 : | int b_sad16; /* backward (only in b-frames) search */ | ||
3122 : | int i_sad16; /* interpolated (both direction, b-frames only) */ | ||
3123 : | chl | 346 | int d_sad16; /* direct mode (assume almost linear motion) */ |
3124 : | suxen_drol | 118 | |
3125 : | chl | 312 | int best_sad; |
3126 : | |||
3127 : | chl | 341 | VECTOR f_predMV, b_predMV; /* there is no prediction for direct mode*/ |
3128 : | chl | 346 | VECTOR f_interpolMV, b_interpolMV; |
3129 : | suxen_drol | 118 | VECTOR pmv_dontcare; |
3130 : | |||
3131 : | chl | 346 | int min_dx, max_dx, min_dy, max_dy; |
3132 : | int f_min_dx, f_max_dx, f_min_dy, f_max_dy; | ||
3133 : | int b_min_dx, b_max_dx, b_min_dy, b_max_dy; | ||
3134 : | |||
3135 : | chl | 312 | int f_count=0; |
3136 : | int b_count=0; | ||
3137 : | int i_count=0; | ||
3138 : | int d_count=0; | ||
3139 : | chl | 341 | |
3140 : | chl | 317 | const int64_t TRB = (int32_t)time_pp - (int32_t)time_bp; |
3141 : | chl | 326 | const int64_t TRD = (int32_t)time_pp; |
3142 : | chl | 317 | |
3143 : | chl | 318 | // fprintf(stderr,"TRB = %lld TRD = %lld time_bp =%d time_pp =%d\n\n",TRB,TRD,time_bp,time_pp); |
3144 : | suxen_drol | 118 | // note: i==horizontal, j==vertical |
3145 : | edgomez | 195 | for (j = 0; j < mb_height; j++) { |
3146 : | chl | 326 | |
3147 : | f_predMV = zeroMV; /* prediction is reset at left boundary */ | ||
3148 : | b_predMV = zeroMV; | ||
3149 : | |||
3150 : | edgomez | 195 | for (i = 0; i < mb_width; i++) { |
3151 : | MACROBLOCK *mb = &frame->mbs[i + j * mb_width]; | ||
3152 : | const MACROBLOCK *f_mb = &f_mbs[i + j * mb_width]; | ||
3153 : | const MACROBLOCK *b_mb = &b_mbs[i + j * mb_width]; | ||
3154 : | suxen_drol | 118 | |
3155 : | chl | 341 | mb->deltamv=zeroMV; |
3156 : | chl | 317 | |
3157 : | chl | 346 | /* special case, if collocated block is SKIPed: encoding is forward (0,0), cpb=0 without further ado */ |
3158 : | chl | 312 | |
3159 : | edgomez | 195 | if (b_mb->mode == MODE_INTER && b_mb->cbp == 0 && |
3160 : | chl | 347 | b_mb->mvs[0].x == 0 && b_mb->mvs[0].y == 0) { |
3161 : | suxen_drol | 152 | mb->mode = MODE_NOT_CODED; |
3162 : | chl | 347 | mb->b_mvs[0] = mb->mvs[0] = zeroMV; |
3163 : | suxen_drol | 118 | continue; |
3164 : | } | ||
3165 : | |||
3166 : | chl | 326 | if (b_mb->mode == MODE_INTER4V) |
3167 : | { | ||
3168 : | chl | 346 | d_sad16 = 0; |
3169 : | chl | 326 | /* same method of scaling as in decoder.c, so we copy from there */ |
3170 : | for (k = 0; k < 4; k++) { | ||
3171 : | |||
3172 : | chl | 341 | mb->directmv[k] = b_mb->mvs[k]; |
3173 : | chl | 326 | |
3174 : | chl | 341 | mb->mvs[k].x = (int32_t) ((TRB * mb->directmv[k].x) / TRD + mb->deltamv.x); |
3175 : | mb->b_mvs[k].x = (int32_t) ((mb->deltamv.x == 0) | ||
3176 : | ? ((TRB - TRD) * mb->directmv[k].x) / TRD | ||
3177 : | : mb->mvs[k].x - mb->directmv[k].x); | ||
3178 : | chl | 326 | |
3179 : | chl | 341 | mb->mvs[k].y = (int32_t) ((TRB * mb->directmv[k].y) / TRD + mb->deltamv.y); |
3180 : | chl | 346 | mb->b_mvs[k].y = (int32_t) ((mb->deltamv.y == 0) |
3181 : | chl | 341 | ? ((TRB - TRD) * mb->directmv[k].y) / TRD |
3182 : | : mb->mvs[k].y - mb->directmv[k].y); | ||
3183 : | |||
3184 : | d_sad16 += | ||
3185 : | chl | 351 | sad8bi(frame->image.y + (2*i+(k&1))*8 + (2*j+(k>>1))*8*edged_width, |
3186 : | chl | 312 | get_ref_mv(f_ref->y, f_refH->y, f_refV->y, f_refHV->y, |
3187 : | chl | 351 | (2*i+(k&1)), (2*j+(k>>1)), 8, &mb->mvs[k], edged_width), |
3188 : | chl | 326 | get_ref_mv(b_ref->y, b_refH->y, b_refV->y, b_refHV->y, |
3189 : | chl | 351 | (2*i+(k&1)), (2*j+(k>>1)), 8, &mb->b_mvs[k], edged_width), |
3190 : | chl | 326 | edged_width); |
3191 : | } | ||
3192 : | } | ||
3193 : | else | ||
3194 : | { | ||
3195 : | chl | 341 | mb->directmv[3] = mb->directmv[2] = mb->directmv[1] = |
3196 : | chl | 346 | mb->directmv[0] = b_mb->mvs[0]; |
3197 : | chl | 326 | |
3198 : | chl | 341 | mb->mvs[0].x = (int32_t) ((TRB * mb->directmv[0].x) / TRD + mb->deltamv.x); |
3199 : | mb->b_mvs[0].x = (int32_t) ((mb->deltamv.x == 0) | ||
3200 : | ? ((TRB - TRD) * mb->directmv[0].x) / TRD | ||
3201 : | : mb->mvs[0].x - mb->directmv[0].x); | ||
3202 : | chl | 326 | |
3203 : | chl | 341 | mb->mvs[0].y = (int32_t) ((TRB * mb->directmv[0].y) / TRD + mb->deltamv.y); |
3204 : | mb->b_mvs[0].y = (int32_t) ((mb->directmv[0].y == 0) | ||
3205 : | ? ((TRB - TRD) * mb->directmv[0].y) / TRD | ||
3206 : | : mb->mvs[0].y - mb->directmv[0].y); | ||
3207 : | |||
3208 : | chl | 346 | d_sad16 = sad16bi(frame->image.y + i * 16 + j * 16 * edged_width, |
3209 : | chl | 326 | get_ref_mv(f_ref->y, f_refH->y, f_refV->y, f_refHV->y, |
3210 : | chl | 312 | i, j, 16, &mb->mvs[0], edged_width), |
3211 : | get_ref_mv(b_ref->y, b_refH->y, b_refV->y, b_refHV->y, | ||
3212 : | i, j, 16, &mb->b_mvs[0], edged_width), | ||
3213 : | edged_width); | ||
3214 : | chl | 326 | |
3215 : | } | ||
3216 : | chl | 341 | d_sad16 += calc_delta_16(mb->deltamv.x, mb->deltamv.y, 1, frame->quant); |
3217 : | chl | 326 | |
3218 : | suxen_drol | 118 | // forward search |
3219 : | chl | 312 | f_sad16 = SEARCH16(f_ref->y, f_refH->y, f_refV->y, f_refHV->y, |
3220 : | chl | 326 | &frame->image, i, j, |
3221 : | mb->mvs[0].x, mb->mvs[0].y, /* start point f_directMV */ | ||
3222 : | f_predMV.x, f_predMV.y, /* center is f-prediction */ | ||
3223 : | chl | 341 | frame->motion_flags, |
3224 : | chl | 312 | frame->quant, frame->fcode, pParam, |
3225 : | chl | 326 | f_mbs, f_mbs, |
3226 : | &mb->mvs[0], &pmv_dontcare); | ||
3227 : | suxen_drol | 118 | |
3228 : | chl | 312 | |
3229 : | suxen_drol | 118 | // backward search |
3230 : | suxen_drol | 234 | b_sad16 = SEARCH16(b_ref->y, b_refH->y, b_refV->y, b_refHV->y, |
3231 : | chl | 326 | &frame->image, i, j, |
3232 : | mb->b_mvs[0].x, mb->b_mvs[0].y, /* start point b_directMV */ | ||
3233 : | b_predMV.x, b_predMV.y, /* center is b-prediction */ | ||
3234 : | chl | 341 | frame->motion_flags, |
3235 : | suxen_drol | 234 | frame->quant, frame->bcode, pParam, |
3236 : | chl | 326 | b_mbs, b_mbs, |
3237 : | &mb->b_mvs[0], &pmv_dontcare); | ||
3238 : | |||
3239 : | edgomez | 195 | i_sad16 = |
3240 : | chl | 312 | 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 : | chl | 326 | 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 : | edgomez | 195 | edged_width); |
3246 : | chl | 326 | i_sad16 += calc_delta_16(mb->mvs[0].x-f_predMV.x, mb->mvs[0].y-f_predMV.y, |
3247 : | frame->fcode, frame->quant); | ||
3248 : | chl | 341 | i_sad16 += calc_delta_16(mb->b_mvs[0].x-b_predMV.x, mb->b_mvs[0].y-b_predMV.y, |
3249 : | chl | 326 | frame->bcode, frame->quant); |
3250 : | suxen_drol | 118 | |
3251 : | chl | 346 | get_range(&f_min_dx, &f_max_dx, &f_min_dy, &f_max_dy, i, j, 16, iWidth, iHeight, |
3252 : | frame->fcode); | ||
3253 : | get_range(&b_min_dx, &b_max_dx, &b_min_dy, &b_max_dy, i, j, 16, iWidth, iHeight, | ||
3254 : | frame->bcode); | ||
3255 : | |||
3256 : | /* Interpolated MC motion vector search, this is tedious and more complicated because there are | ||
3257 : | two values for everything, always one for backward and one for forward ME. Still, we don't gain | ||
3258 : | much from this search, maybe it should simply be skipped and simply current i_sad16 value used | ||
3259 : | as "optimal". */ | ||
3260 : | |||
3261 : | i_sad16 = Diamond16_InterpolMainSearch( | ||
3262 : | f_ref->y, f_refH->y, f_refV->y, f_refHV->y, | ||
3263 : | frame->image.y + i * 16 + j * 16 * edged_width, | ||
3264 : | b_ref->y, b_refH->y, b_refV->y, b_refHV->y, | ||
3265 : | i, j, | ||
3266 : | mb->mvs[0].x, mb->mvs[0].y, | ||
3267 : | mb->b_mvs[0].x, mb->b_mvs[0].y, | ||
3268 : | i_sad16, | ||
3269 : | &f_interpolMV, &b_interpolMV, | ||
3270 : | f_predMV.x, f_predMV.y, b_predMV.x, b_predMV.y, | ||
3271 : | f_min_dx, f_max_dx, f_min_dy, f_max_dy, | ||
3272 : | b_min_dx, b_max_dx, b_min_dy, b_max_dy, | ||
3273 : | chl | 348 | edged_width, 2, |
3274 : | chl | 346 | frame->fcode, frame->bcode,frame->quant,0); |
3275 : | |||
3276 : | chl | 348 | i_sad16 = Diamond16_InterpolMainSearch( |
3277 : | f_ref->y, f_refH->y, f_refV->y, f_refHV->y, | ||
3278 : | frame->image.y + i * 16 + j * 16 * edged_width, | ||
3279 : | b_ref->y, b_refH->y, b_refV->y, b_refHV->y, | ||
3280 : | i, j, | ||
3281 : | f_interpolMV.x, f_interpolMV.y, | ||
3282 : | b_interpolMV.x, b_interpolMV.y, | ||
3283 : | i_sad16, | ||
3284 : | &f_interpolMV, &b_interpolMV, | ||
3285 : | f_predMV.x, f_predMV.y, b_predMV.x, b_predMV.y, | ||
3286 : | f_min_dx, f_max_dx, f_min_dy, f_max_dy, | ||
3287 : | b_min_dx, b_max_dx, b_min_dy, b_max_dy, | ||
3288 : | edged_width, 1, | ||
3289 : | frame->fcode, frame->bcode,frame->quant,0); // equiv to halfpel refine | ||
3290 : | chl | 346 | |
3291 : | chl | 348 | |
3292 : | chl | 346 | /* DIRECT MODE DELTA VECTOR SEARCH. |
3293 : | This has to be made more effective, but at the moment I'm happy it's running at all */ | ||
3294 : | |||
3295 : | chl | 348 | /* There are two range restrictions for direct mode: deltaMV is limited to [-32,31] in halfpel units, and |
3296 : | absolute vector must not lie outside of image dimensions. Constraint one is dealt with by CHECK_MV16_DIRECT | ||
3297 : | and for constraint two we need distance to boundary. This is done by get_range very large fcode (hack!) */ | ||
3298 : | chl | 346 | |
3299 : | get_range(&min_dx, &max_dx, &min_dy, &max_dy, i, j, 16, iWidth, iHeight, 19); | ||
3300 : | |||
3301 : | d_sad16 = Diamond16_DirectMainSearch( | ||
3302 : | f_ref->y, f_refH->y, f_refV->y, f_refHV->y, | ||
3303 : | frame->image.y + i*16 + j*16*edged_width, | ||
3304 : | b_ref->y, b_refH->y, b_refV->y, b_refHV->y, | ||
3305 : | i, j, | ||
3306 : | TRB,TRD, | ||
3307 : | 0,0, | ||
3308 : | d_sad16, | ||
3309 : | &mb->deltamv, | ||
3310 : | chl | 348 | mb->directmv, // this has to be pre-initialized with b_mb->mvs[] |
3311 : | chl | 346 | min_dx, max_dx, min_dy, max_dy, |
3312 : | chl | 348 | edged_width, 2, frame->quant, 0); |
3313 : | chl | 346 | |
3314 : | chl | 348 | d_sad16 = Diamond16_DirectMainSearch( |
3315 : | f_ref->y, f_refH->y, f_refV->y, f_refHV->y, | ||
3316 : | frame->image.y + i*16 + j*16*edged_width, | ||
3317 : | b_ref->y, b_refH->y, b_refV->y, b_refHV->y, | ||
3318 : | i, j, | ||
3319 : | TRB,TRD, | ||
3320 : | mb->deltamv.x, mb->deltamv.y, | ||
3321 : | d_sad16, | ||
3322 : | &mb->deltamv, | ||
3323 : | mb->directmv, // this has to be pre-initialized with b_mb->mvs[] | ||
3324 : | min_dx, max_dx, min_dy, max_dy, | ||
3325 : | edged_width, 1, frame->quant, 0); // equiv to halfpel refine | ||
3326 : | chl | 346 | |
3327 : | chl | 348 | |
3328 : | chl | 346 | // i_sad16 = 65535; /* remove the comment to disable any of the MODEs */ |
3329 : | // f_sad16 = 65535; | ||
3330 : | // b_sad16 = 65535; | ||
3331 : | chl | 341 | // d_sad16 = 65535; |
3332 : | chl | 312 | |
3333 : | edgomez | 195 | if (f_sad16 < b_sad16) { |
3334 : | suxen_drol | 118 | best_sad = f_sad16; |
3335 : | suxen_drol | 152 | mb->mode = MODE_FORWARD; |
3336 : | edgomez | 195 | } else { |
3337 : | suxen_drol | 118 | best_sad = b_sad16; |
3338 : | suxen_drol | 152 | mb->mode = MODE_BACKWARD; |
3339 : | suxen_drol | 118 | } |
3340 : | edgomez | 195 | |
3341 : | if (i_sad16 < best_sad) { | ||
3342 : | suxen_drol | 118 | best_sad = i_sad16; |
3343 : | suxen_drol | 152 | mb->mode = MODE_INTERPOLATE; |
3344 : | suxen_drol | 118 | } |
3345 : | |||
3346 : | chl | 341 | if (d_sad16 < best_sad) { |
3347 : | chl | 326 | |
3348 : | chl | 341 | if (b_mb->mode == MODE_INTER4V) |
3349 : | { | ||
3350 : | chl | 326 | |
3351 : | chl | 346 | /* how to calc vectors is defined in standard. mvs[] and b_mvs[] are only for motion compensation */ |
3352 : | /* for the bitstream, the value mb->deltamv is read directly */ | ||
3353 : | |||
3354 : | chl | 341 | for (k = 0; k < 4; k++) { |
3355 : | chl | 326 | |
3356 : | chl | 341 | mb->mvs[k].x = (int32_t) ((TRB * mb->directmv[k].x) / TRD + mb->deltamv.x); |
3357 : | mb->b_mvs[k].x = (int32_t) ((mb->deltamv.x == 0) | ||
3358 : | ? ((TRB - TRD) * mb->directmv[k].x) / TRD | ||
3359 : | : mb->mvs[k].x - mb->directmv[k].x); | ||
3360 : | chl | 326 | |
3361 : | chl | 341 | mb->mvs[k].y = (int32_t) ((TRB * mb->directmv[k].y) / TRD + mb->deltamv.y); |
3362 : | chl | 346 | mb->b_mvs[k].y = (int32_t) ((mb->deltamv.y == 0) |
3363 : | chl | 341 | ? ((TRB - TRD) * mb->directmv[k].y) / TRD |
3364 : | : mb->mvs[k].y - mb->directmv[k].y); | ||
3365 : | } | ||
3366 : | chl | 326 | } |
3367 : | else | ||
3368 : | { | ||
3369 : | chl | 341 | mb->mvs[0].x = (int32_t) ((TRB * mb->directmv[0].x) / TRD + mb->deltamv.x); |
3370 : | |||
3371 : | mb->b_mvs[0].x = (int32_t) ((mb->deltamv.x == 0) | ||
3372 : | ? ((TRB - TRD) * mb->directmv[0].x) / TRD | ||
3373 : | : mb->mvs[0].x - mb->directmv[0].x); | ||
3374 : | |||
3375 : | mb->mvs[0].y = (int32_t) ((TRB * mb->directmv[0].y) / TRD + mb->deltamv.y); | ||
3376 : | |||
3377 : | chl | 346 | mb->b_mvs[0].y = (int32_t) ((mb->deltamv.y == 0) |
3378 : | chl | 341 | ? ((TRB - TRD) * mb->directmv[0].y) / TRD |
3379 : | : mb->mvs[0].y - mb->directmv[0].y); | ||
3380 : | |||
3381 : | mb->mvs[3] = mb->mvs[2] = mb->mvs[1] = mb->mvs[0]; | ||
3382 : | mb->b_mvs[3] = mb->b_mvs[2] = mb->b_mvs[1] = mb->b_mvs[0]; | ||
3383 : | } | ||
3384 : | |||
3385 : | best_sad = d_sad16; | ||
3386 : | mb->mode = MODE_DIRECT; | ||
3387 : | suxen_drol | 118 | } |
3388 : | |||
3389 : | chl | 312 | switch (mb->mode) |
3390 : | { | ||
3391 : | case MODE_FORWARD: | ||
3392 : | chl | 326 | f_count++; |
3393 : | f_predMV = mb->mvs[0]; | ||
3394 : | break; | ||
3395 : | chl | 312 | case MODE_BACKWARD: |
3396 : | chl | 326 | b_count++; |
3397 : | b_predMV = mb->b_mvs[0]; | ||
3398 : | |||
3399 : | break; | ||
3400 : | chl | 312 | case MODE_INTERPOLATE: |
3401 : | chl | 326 | i_count++; |
3402 : | chl | 346 | mb->mvs[0] = f_interpolMV; |
3403 : | mb->b_mvs[0] = b_interpolMV; | ||
3404 : | chl | 326 | f_predMV = mb->mvs[0]; |
3405 : | b_predMV = mb->b_mvs[0]; | ||
3406 : | break; | ||
3407 : | chl | 312 | case MODE_DIRECT: |
3408 : | chl | 341 | d_count++; |
3409 : | break; | ||
3410 : | chl | 312 | default: |
3411 : | chl | 341 | break; |
3412 : | chl | 312 | } |
3413 : | |||
3414 : | suxen_drol | 118 | } |
3415 : | } | ||
3416 : | chl | 312 | |
3417 : | #ifdef _DEBUG_BFRAME_STAT | ||
3418 : | chl | 346 | fprintf(stderr,"B-Stat: F: %04d B: %04d I: %04d D: %04d\n", |
3419 : | f_count,b_count,i_count,d_count); | ||
3420 : | chl | 312 | #endif |
3421 : | |||
3422 : | suxen_drol | 118 | } |
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