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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 : | chl | 259 | * |
10 : | chl | 430 | * This program is an implementation of a part of one or more MPEG-4 |
11 : | * Video tools as specified in ISO/IEC 14496-2 standard. Those intending | ||
12 : | * to use this software module in hardware or software products are | ||
13 : | * advised that its use may infringe existing patents or copyrights, and | ||
14 : | * any such use would be at such party's own risk. The original | ||
15 : | * developer of this software module and his/her company, and subsequent | ||
16 : | * editors and their companies, will have no liability for use of this | ||
17 : | * software or modifications or derivatives thereof. | ||
18 : | chl | 259 | * |
19 : | chl | 430 | * This program is free software; you can redistribute it and/or modify |
20 : | * it under the terms of the GNU General Public License as published by | ||
21 : | * the Free Software Foundation; either version 2 of the License, or | ||
22 : | * (at your option) any later version. | ||
23 : | chl | 259 | * |
24 : | chl | 430 | * This program is distributed in the hope that it will be useful, |
25 : | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
26 : | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
27 : | * GNU General Public License for more details. | ||
28 : | chl | 259 | * |
29 : | chl | 430 | * You should have received a copy of the GNU General Public License |
30 : | * along with this program; if not, write to the Free Software | ||
31 : | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
32 : | * | ||
33 : | chl | 259 | *************************************************************************/ |
34 : | |||
35 : | Isibaar | 3 | #include <assert.h> |
36 : | #include <stdio.h> | ||
37 : | chl | 96 | #include <stdlib.h> |
38 : | Isibaar | 3 | |
39 : | #include "../encoder.h" | ||
40 : | #include "../utils/mbfunctions.h" | ||
41 : | #include "../prediction/mbprediction.h" | ||
42 : | #include "../global.h" | ||
43 : | #include "../utils/timer.h" | ||
44 : | suxen_drol | 118 | #include "motion.h" |
45 : | Isibaar | 3 | #include "sad.h" |
46 : | |||
47 : | |||
48 : | |||
49 : | edgomez | 195 | static int32_t lambda_vec16[32] = /* rounded values for lambda param for weight of motion bits as in modified H.26L */ |
50 : | { 0, (int) (1.00235 + 0.5), (int) (1.15582 + 0.5), (int) (1.31976 + 0.5), | ||
51 : | (int) (1.49591 + 0.5), (int) (1.68601 + 0.5), | ||
52 : | (int) (1.89187 + 0.5), (int) (2.11542 + 0.5), (int) (2.35878 + 0.5), | ||
53 : | (int) (2.62429 + 0.5), (int) (2.91455 + 0.5), | ||
54 : | (int) (3.23253 + 0.5), (int) (3.58158 + 0.5), (int) (3.96555 + 0.5), | ||
55 : | (int) (4.38887 + 0.5), (int) (4.85673 + 0.5), | ||
56 : | (int) (5.37519 + 0.5), (int) (5.95144 + 0.5), (int) (6.59408 + 0.5), | ||
57 : | (int) (7.31349 + 0.5), (int) (8.12242 + 0.5), | ||
58 : | (int) (9.03669 + 0.5), (int) (10.0763 + 0.5), (int) (11.2669 + 0.5), | ||
59 : | (int) (12.6426 + 0.5), (int) (14.2493 + 0.5), | ||
60 : | (int) (16.1512 + 0.5), (int) (18.442 + 0.5), (int) (21.2656 + 0.5), | ||
61 : | (int) (24.8580 + 0.5), (int) (29.6436 + 0.5), | ||
62 : | (int) (36.4949 + 0.5) | ||
63 : | }; | ||
64 : | chl | 141 | |
65 : | edgomez | 195 | static int32_t *lambda_vec8 = lambda_vec16; /* same table for INTER and INTER4V for now */ |
66 : | chl | 141 | |
67 : | |||
68 : | |||
69 : | Isibaar | 3 | // mv.length table |
70 : | static const uint32_t mvtab[33] = { | ||
71 : | edgomez | 195 | 1, 2, 3, 4, 6, 7, 7, 7, |
72 : | 9, 9, 9, 10, 10, 10, 10, 10, | ||
73 : | 10, 10, 10, 10, 10, 10, 10, 10, | ||
74 : | 10, 11, 11, 11, 11, 11, 11, 12, 12 | ||
75 : | Isibaar | 3 | }; |
76 : | |||
77 : | |||
78 : | edgomez | 195 | static __inline uint32_t |
79 : | mv_bits(int32_t component, | ||
80 : | const uint32_t iFcode) | ||
81 : | Isibaar | 3 | { |
82 : | edgomez | 195 | if (component == 0) |
83 : | Isibaar | 3 | return 1; |
84 : | |||
85 : | edgomez | 195 | if (component < 0) |
86 : | Isibaar | 3 | component = -component; |
87 : | |||
88 : | edgomez | 195 | if (iFcode == 1) { |
89 : | Isibaar | 3 | if (component > 32) |
90 : | edgomez | 195 | component = 32; |
91 : | Isibaar | 3 | |
92 : | return mvtab[component] + 1; | ||
93 : | edgomez | 195 | } |
94 : | Isibaar | 3 | |
95 : | edgomez | 195 | component += (1 << (iFcode - 1)) - 1; |
96 : | component >>= (iFcode - 1); | ||
97 : | Isibaar | 3 | |
98 : | edgomez | 195 | if (component > 32) |
99 : | Isibaar | 3 | component = 32; |
100 : | |||
101 : | edgomez | 195 | return mvtab[component] + 1 + iFcode - 1; |
102 : | Isibaar | 3 | } |
103 : | |||
104 : | |||
105 : | edgomez | 195 | static __inline uint32_t |
106 : | calc_delta_16(const int32_t dx, | ||
107 : | const int32_t dy, | ||
108 : | const uint32_t iFcode, | ||
109 : | const uint32_t iQuant) | ||
110 : | Isibaar | 3 | { |
111 : | edgomez | 195 | return NEIGH_TEND_16X16 * lambda_vec16[iQuant] * (mv_bits(dx, iFcode) + |
112 : | mv_bits(dy, iFcode)); | ||
113 : | Isibaar | 3 | } |
114 : | |||
115 : | edgomez | 195 | static __inline uint32_t |
116 : | calc_delta_8(const int32_t dx, | ||
117 : | const int32_t dy, | ||
118 : | const uint32_t iFcode, | ||
119 : | const uint32_t iQuant) | ||
120 : | Isibaar | 3 | { |
121 : | edgomez | 195 | return NEIGH_TEND_8X8 * lambda_vec8[iQuant] * (mv_bits(dx, iFcode) + |
122 : | mv_bits(dy, iFcode)); | ||
123 : | Isibaar | 3 | } |
124 : | chl | 326 | |
125 : | edgomez | 195 | bool |
126 : | MotionEstimation(MBParam * const pParam, | ||
127 : | FRAMEINFO * const current, | ||
128 : | FRAMEINFO * const reference, | ||
129 : | const IMAGE * const pRefH, | ||
130 : | const IMAGE * const pRefV, | ||
131 : | const IMAGE * const pRefHV, | ||
132 : | const uint32_t iLimit) | ||
133 : | Isibaar | 3 | { |
134 : | edgomez | 78 | const uint32_t iWcount = pParam->mb_width; |
135 : | const uint32_t iHcount = pParam->mb_height; | ||
136 : | edgomez | 195 | MACROBLOCK *const pMBs = current->mbs; |
137 : | MACROBLOCK *const prevMBs = reference->mbs; | ||
138 : | const IMAGE *const pCurrent = ¤t->image; | ||
139 : | const IMAGE *const pRef = &reference->image; | ||
140 : | suxen_drol | 136 | |
141 : | chl | 317 | static const VECTOR zeroMV = { 0, 0 }; |
142 : | chl | 326 | VECTOR predMV; |
143 : | chl | 184 | |
144 : | edgomez | 476 | uint32_t x, y; |
145 : | uint32_t iIntra = 0; | ||
146 : | chl | 172 | VECTOR pmv; |
147 : | suxen_drol | 136 | |
148 : | chl | 184 | if (sadInit) |
149 : | edgomez | 195 | (*sadInit) (); |
150 : | |||
151 : | chl | 259 | for (y = 0; y < iHcount; y++) { |
152 : | for (x = 0; x < iWcount; x ++) { | ||
153 : | |||
154 : | edgomez | 195 | MACROBLOCK *const pMB = &pMBs[x + y * iWcount]; |
155 : | Isibaar | 3 | |
156 : | chl | 326 | predMV = get_pmv2(pMBs, pParam->mb_width, 0, x, y, 0); |
157 : | |||
158 : | edgomez | 195 | pMB->sad16 = |
159 : | chl | 326 | SEARCH16(pRef->y, pRefH->y, pRefV->y, pRefHV->y, pCurrent, |
160 : | x, y, predMV.x, predMV.y, predMV.x, predMV.y, | ||
161 : | current->motion_flags, current->quant, | ||
162 : | edgomez | 195 | current->fcode, pParam, pMBs, prevMBs, &pMB->mv16, |
163 : | &pMB->pmvs[0]); | ||
164 : | chl | 184 | |
165 : | edgomez | 195 | if (0 < (pMB->sad16 - MV16_INTER_BIAS)) { |
166 : | chl | 172 | int32_t deviation; |
167 : | chl | 184 | |
168 : | edgomez | 195 | deviation = |
169 : | dev16(pCurrent->y + x * 16 + y * 16 * pParam->edged_width, | ||
170 : | pParam->edged_width); | ||
171 : | |||
172 : | if (deviation < (pMB->sad16 - MV16_INTER_BIAS)) { | ||
173 : | chl | 172 | pMB->mode = MODE_INTRA; |
174 : | edgomez | 195 | pMB->mv16 = pMB->mvs[0] = pMB->mvs[1] = pMB->mvs[2] = |
175 : | pMB->mvs[3] = zeroMV; | ||
176 : | pMB->sad16 = pMB->sad8[0] = pMB->sad8[1] = pMB->sad8[2] = | ||
177 : | pMB->sad8[3] = 0; | ||
178 : | |||
179 : | chl | 172 | iIntra++; |
180 : | if (iIntra >= iLimit) | ||
181 : | edgomez | 195 | return 1; |
182 : | |||
183 : | chl | 172 | continue; |
184 : | } | ||
185 : | edgomez | 195 | } |
186 : | |||
187 : | chl | 184 | pmv = pMB->pmvs[0]; |
188 : | if (current->global_flags & XVID_INTER4V) | ||
189 : | edgomez | 195 | if ((!(current->global_flags & XVID_LUMIMASKING) || |
190 : | pMB->dquant == NO_CHANGE)) { | ||
191 : | int32_t sad8 = IMV16X16 * current->quant; | ||
192 : | |||
193 : | chl | 326 | if (sad8 < pMB->sad16) { |
194 : | edgomez | 195 | sad8 += pMB->sad8[0] = |
195 : | SEARCH8(pRef->y, pRefH->y, pRefV->y, pRefHV->y, | ||
196 : | chl | 326 | pCurrent, 2 * x, 2 * y, |
197 : | pMB->mv16.x, pMB->mv16.y, predMV.x, predMV.y, | ||
198 : | current->motion_flags, | ||
199 : | edgomez | 195 | current->quant, current->fcode, pParam, |
200 : | pMBs, prevMBs, &pMB->mvs[0], | ||
201 : | &pMB->pmvs[0]); | ||
202 : | chl | 326 | } |
203 : | if (sad8 < pMB->sad16) { | ||
204 : | edgomez | 195 | |
205 : | chl | 326 | predMV = get_pmv2(pMBs, pParam->mb_width, 0, x, y, 1); |
206 : | edgomez | 195 | sad8 += pMB->sad8[1] = |
207 : | SEARCH8(pRef->y, pRefH->y, pRefV->y, pRefHV->y, | ||
208 : | chl | 326 | pCurrent, 2 * x + 1, 2 * y, |
209 : | pMB->mv16.x, pMB->mv16.y, predMV.x, predMV.y, | ||
210 : | current->motion_flags, | ||
211 : | edgomez | 195 | current->quant, current->fcode, pParam, |
212 : | pMBs, prevMBs, &pMB->mvs[1], | ||
213 : | &pMB->pmvs[1]); | ||
214 : | chl | 326 | } |
215 : | if (sad8 < pMB->sad16) { | ||
216 : | predMV = get_pmv2(pMBs, pParam->mb_width, 0, x, y, 2); | ||
217 : | edgomez | 195 | sad8 += pMB->sad8[2] = |
218 : | SEARCH8(pRef->y, pRefH->y, pRefV->y, pRefHV->y, | ||
219 : | chl | 326 | pCurrent, 2 * x, 2 * y + 1, |
220 : | pMB->mv16.x, pMB->mv16.y, predMV.x, predMV.y, | ||
221 : | current->motion_flags, | ||
222 : | edgomez | 195 | current->quant, current->fcode, pParam, |
223 : | pMBs, prevMBs, &pMB->mvs[2], | ||
224 : | &pMB->pmvs[2]); | ||
225 : | chl | 326 | } |
226 : | if (sad8 < pMB->sad16) { | ||
227 : | predMV = get_pmv2(pMBs, pParam->mb_width, 0, x, y, 3); | ||
228 : | edgomez | 195 | sad8 += pMB->sad8[3] = |
229 : | SEARCH8(pRef->y, pRefH->y, pRefV->y, pRefHV->y, | ||
230 : | pCurrent, 2 * x + 1, 2 * y + 1, | ||
231 : | chl | 326 | pMB->mv16.x, pMB->mv16.y, predMV.x, predMV.y, |
232 : | current->motion_flags, | ||
233 : | current->quant, current->fcode, pParam, | ||
234 : | pMBs, prevMBs, | ||
235 : | &pMB->mvs[3], | ||
236 : | &pMB->pmvs[3]); | ||
237 : | } | ||
238 : | |||
239 : | chl | 184 | /* decide: MODE_INTER or MODE_INTER4V |
240 : | edgomez | 195 | mpeg4: if (sad8 < pMB->sad16 - nb/2+1) use_inter4v |
241 : | */ | ||
242 : | |||
243 : | if (sad8 < pMB->sad16) { | ||
244 : | chl | 175 | pMB->mode = MODE_INTER4V; |
245 : | edgomez | 195 | pMB->sad8[0] *= 4; |
246 : | chl | 175 | pMB->sad8[1] *= 4; |
247 : | pMB->sad8[2] *= 4; | ||
248 : | pMB->sad8[3] *= 4; | ||
249 : | continue; | ||
250 : | } | ||
251 : | |||
252 : | edgomez | 195 | } |
253 : | |||
254 : | pMB->mode = MODE_INTER; | ||
255 : | pMB->pmvs[0] = pmv; /* pMB->pmvs[1] = pMB->pmvs[2] = pMB->pmvs[3] are not needed for INTER */ | ||
256 : | pMB->mvs[0] = pMB->mvs[1] = pMB->mvs[2] = pMB->mvs[3] = pMB->mv16; | ||
257 : | pMB->sad8[0] = pMB->sad8[1] = pMB->sad8[2] = pMB->sad8[3] = | ||
258 : | pMB->sad16; | ||
259 : | chl | 259 | } |
260 : | } | ||
261 : | edgomez | 195 | |
262 : | return 0; | ||
263 : | Isibaar | 3 | } |
264 : | |||
265 : | chl | 326 | |
266 : | Isibaar | 3 | #define CHECK_MV16_ZERO {\ |
267 : | if ( (0 <= max_dx) && (0 >= min_dx) \ | ||
268 : | && (0 <= max_dy) && (0 >= min_dy) ) \ | ||
269 : | { \ | ||
270 : | iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, 0, 0 , iEdgedWidth), iEdgedWidth, MV_MAX_ERROR); \ | ||
271 : | chl | 326 | iSAD += calc_delta_16(-center_x, -center_y, (uint8_t)iFcode, iQuant);\ |
272 : | Isibaar | 3 | if (iSAD < iMinSAD) \ |
273 : | { iMinSAD=iSAD; currMV->x=0; currMV->y=0; } } \ | ||
274 : | } | ||
275 : | |||
276 : | chl | 96 | #define NOCHECK_MV16_CANDIDATE(X,Y) { \ |
277 : | iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, X, Y, iEdgedWidth),iEdgedWidth, iMinSAD); \ | ||
278 : | chl | 326 | iSAD += calc_delta_16((X) - center_x, (Y) - center_y, (uint8_t)iFcode, iQuant);\ |
279 : | chl | 96 | if (iSAD < iMinSAD) \ |
280 : | { iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); } \ | ||
281 : | } | ||
282 : | Isibaar | 3 | |
283 : | #define CHECK_MV16_CANDIDATE(X,Y) { \ | ||
284 : | if ( ((X) <= max_dx) && ((X) >= min_dx) \ | ||
285 : | && ((Y) <= max_dy) && ((Y) >= min_dy) ) \ | ||
286 : | { \ | ||
287 : | iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, X, Y, iEdgedWidth),iEdgedWidth, iMinSAD); \ | ||
288 : | chl | 326 | iSAD += calc_delta_16((X) - center_x, (Y) - center_y, (uint8_t)iFcode, iQuant);\ |
289 : | Isibaar | 3 | if (iSAD < iMinSAD) \ |
290 : | { iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); } } \ | ||
291 : | } | ||
292 : | |||
293 : | #define CHECK_MV16_CANDIDATE_DIR(X,Y,D) { \ | ||
294 : | if ( ((X) <= max_dx) && ((X) >= min_dx) \ | ||
295 : | && ((Y) <= max_dy) && ((Y) >= min_dy) ) \ | ||
296 : | { \ | ||
297 : | iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, X, Y, iEdgedWidth),iEdgedWidth, iMinSAD); \ | ||
298 : | chl | 326 | iSAD += calc_delta_16((X) - center_x, (Y) - center_y, (uint8_t)iFcode, iQuant);\ |
299 : | Isibaar | 3 | if (iSAD < iMinSAD) \ |
300 : | { iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); iDirection=(D); } } \ | ||
301 : | } | ||
302 : | |||
303 : | #define CHECK_MV16_CANDIDATE_FOUND(X,Y,D) { \ | ||
304 : | if ( ((X) <= max_dx) && ((X) >= min_dx) \ | ||
305 : | && ((Y) <= max_dy) && ((Y) >= min_dy) ) \ | ||
306 : | { \ | ||
307 : | iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, X, Y, iEdgedWidth),iEdgedWidth, iMinSAD); \ | ||
308 : | chl | 326 | iSAD += calc_delta_16((X) - center_x, (Y) - center_y, (uint8_t)iFcode, iQuant);\ |
309 : | Isibaar | 3 | if (iSAD < iMinSAD) \ |
310 : | { iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); iDirection=(D); iFound=0; } } \ | ||
311 : | } | ||
312 : | |||
313 : | |||
314 : | #define CHECK_MV8_ZERO {\ | ||
315 : | iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, 0, 0 , iEdgedWidth), iEdgedWidth); \ | ||
316 : | chl | 326 | iSAD += calc_delta_8(-center_x, -center_y, (uint8_t)iFcode, iQuant);\ |
317 : | Isibaar | 3 | if (iSAD < iMinSAD) \ |
318 : | { iMinSAD=iSAD; currMV->x=0; currMV->y=0; } \ | ||
319 : | } | ||
320 : | edgomez | 195 | |
321 : | chl | 96 | #define NOCHECK_MV8_CANDIDATE(X,Y) \ |
322 : | { \ | ||
323 : | iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, (X), (Y), iEdgedWidth),iEdgedWidth); \ | ||
324 : | chl | 326 | iSAD += calc_delta_8((X)-center_x, (Y)-center_y, (uint8_t)iFcode, iQuant);\ |
325 : | chl | 96 | if (iSAD < iMinSAD) \ |
326 : | { iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); } \ | ||
327 : | } | ||
328 : | Isibaar | 3 | |
329 : | #define CHECK_MV8_CANDIDATE(X,Y) { \ | ||
330 : | if ( ((X) <= max_dx) && ((X) >= min_dx) \ | ||
331 : | && ((Y) <= max_dy) && ((Y) >= min_dy) ) \ | ||
332 : | { \ | ||
333 : | iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, (X), (Y), iEdgedWidth),iEdgedWidth); \ | ||
334 : | chl | 326 | iSAD += calc_delta_8((X)-center_x, (Y)-center_y, (uint8_t)iFcode, iQuant);\ |
335 : | Isibaar | 3 | if (iSAD < iMinSAD) \ |
336 : | { iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); } } \ | ||
337 : | } | ||
338 : | |||
339 : | #define CHECK_MV8_CANDIDATE_DIR(X,Y,D) { \ | ||
340 : | if ( ((X) <= max_dx) && ((X) >= min_dx) \ | ||
341 : | && ((Y) <= max_dy) && ((Y) >= min_dy) ) \ | ||
342 : | { \ | ||
343 : | iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, (X), (Y), iEdgedWidth),iEdgedWidth); \ | ||
344 : | chl | 326 | iSAD += calc_delta_8((X)-center_x, (Y)-center_y, (uint8_t)iFcode, iQuant);\ |
345 : | Isibaar | 3 | if (iSAD < iMinSAD) \ |
346 : | { iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); iDirection=(D); } } \ | ||
347 : | } | ||
348 : | |||
349 : | #define CHECK_MV8_CANDIDATE_FOUND(X,Y,D) { \ | ||
350 : | if ( ((X) <= max_dx) && ((X) >= min_dx) \ | ||
351 : | && ((Y) <= max_dy) && ((Y) >= min_dy) ) \ | ||
352 : | { \ | ||
353 : | iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, (X), (Y), iEdgedWidth),iEdgedWidth); \ | ||
354 : | chl | 326 | iSAD += calc_delta_8((X)-center_x, (Y)-center_y, (uint8_t)iFcode, iQuant);\ |
355 : | Isibaar | 3 | if (iSAD < iMinSAD) \ |
356 : | { iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); iDirection=(D); iFound=0; } } \ | ||
357 : | } | ||
358 : | |||
359 : | edgomez | 504 | #if 0 |
360 : | Isibaar | 3 | /* too slow and not fully functional at the moment */ |
361 : | int32_t ZeroSearch16( | ||
362 : | const uint8_t * const pRef, | ||
363 : | const uint8_t * const pRefH, | ||
364 : | const uint8_t * const pRefV, | ||
365 : | const uint8_t * const pRefHV, | ||
366 : | const IMAGE * const pCur, | ||
367 : | const int x, const int y, | ||
368 : | const uint32_t MotionFlags, | ||
369 : | suxen_drol | 136 | const uint32_t iQuant, |
370 : | const uint32_t iFcode, | ||
371 : | Isibaar | 3 | MBParam * const pParam, |
372 : | suxen_drol | 136 | const MACROBLOCK * const pMBs, |
373 : | const MACROBLOCK * const prevMBs, | ||
374 : | Isibaar | 3 | VECTOR * const currMV, |
375 : | VECTOR * const currPMV) | ||
376 : | { | ||
377 : | const int32_t iEdgedWidth = pParam->edged_width; | ||
378 : | const uint8_t * cur = pCur->y + x*16 + y*16*iEdgedWidth; | ||
379 : | int32_t iSAD; | ||
380 : | suxen_drol | 254 | VECTOR pred; |
381 : | |||
382 : | Isibaar | 3 | |
383 : | suxen_drol | 254 | pred = get_pmv2(pMBs, pParam->mb_width, 0, x, y, 0); |
384 : | Isibaar | 3 | |
385 : | iSAD = sad16( cur, | ||
386 : | get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, 0,0, iEdgedWidth), | ||
387 : | iEdgedWidth, MV_MAX_ERROR); | ||
388 : | if (iSAD <= iQuant * 96) | ||
389 : | iSAD -= MV16_00_BIAS; | ||
390 : | |||
391 : | currMV->x = 0; | ||
392 : | currMV->y = 0; | ||
393 : | suxen_drol | 254 | currPMV->x = -pred.x; |
394 : | currPMV->y = -pred.y; | ||
395 : | Isibaar | 3 | |
396 : | return iSAD; | ||
397 : | |||
398 : | } | ||
399 : | edgomez | 504 | #endif /* 0 */ |
400 : | Isibaar | 3 | |
401 : | edgomez | 195 | int32_t |
402 : | Diamond16_MainSearch(const uint8_t * const pRef, | ||
403 : | const uint8_t * const pRefH, | ||
404 : | const uint8_t * const pRefV, | ||
405 : | const uint8_t * const pRefHV, | ||
406 : | const uint8_t * const cur, | ||
407 : | const int x, | ||
408 : | const int y, | ||
409 : | edgomez | 476 | const int start_x, |
410 : | const int start_y, | ||
411 : | int iMinSAD, | ||
412 : | VECTOR * const currMV, | ||
413 : | const int center_x, | ||
414 : | const int center_y, | ||
415 : | edgomez | 195 | const int32_t min_dx, |
416 : | const int32_t max_dx, | ||
417 : | const int32_t min_dy, | ||
418 : | const int32_t max_dy, | ||
419 : | const int32_t iEdgedWidth, | ||
420 : | const int32_t iDiamondSize, | ||
421 : | const int32_t iFcode, | ||
422 : | const int32_t iQuant, | ||
423 : | int iFound) | ||
424 : | Isibaar | 3 | { |
425 : | /* Do a diamond search around given starting point, return SAD of best */ | ||
426 : | |||
427 : | edgomez | 195 | int32_t iDirection = 0; |
428 : | chl | 344 | int32_t iDirectionBackup; |
429 : | Isibaar | 3 | int32_t iSAD; |
430 : | VECTOR backupMV; | ||
431 : | edgomez | 195 | |
432 : | chl | 326 | backupMV.x = start_x; |
433 : | backupMV.y = start_y; | ||
434 : | edgomez | 195 | |
435 : | Isibaar | 3 | /* It's one search with full Diamond pattern, and only 3 of 4 for all following diamonds */ |
436 : | |||
437 : | edgomez | 195 | CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, backupMV.y, 1); |
438 : | CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, backupMV.y, 2); | ||
439 : | CHECK_MV16_CANDIDATE_DIR(backupMV.x, backupMV.y - iDiamondSize, 3); | ||
440 : | CHECK_MV16_CANDIDATE_DIR(backupMV.x, backupMV.y + iDiamondSize, 4); | ||
441 : | Isibaar | 3 | |
442 : | chl | 344 | if (iDirection) { |
443 : | edgomez | 195 | while (!iFound) { |
444 : | iFound = 1; | ||
445 : | backupMV = *currMV; | ||
446 : | chl | 344 | iDirectionBackup = iDirection; |
447 : | edgomez | 195 | |
448 : | chl | 344 | if (iDirectionBackup != 2) |
449 : | edgomez | 195 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
450 : | backupMV.y, 1); | ||
451 : | chl | 344 | if (iDirectionBackup != 1) |
452 : | edgomez | 195 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
453 : | backupMV.y, 2); | ||
454 : | chl | 344 | if (iDirectionBackup != 4) |
455 : | edgomez | 195 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x, |
456 : | backupMV.y - iDiamondSize, 3); | ||
457 : | chl | 344 | if (iDirectionBackup != 3) |
458 : | edgomez | 195 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x, |
459 : | backupMV.y + iDiamondSize, 4); | ||
460 : | chl | 344 | } |
461 : | edgomez | 195 | } else { |
462 : | chl | 326 | currMV->x = start_x; |
463 : | currMV->y = start_y; | ||
464 : | edgomez | 78 | } |
465 : | Isibaar | 3 | return iMinSAD; |
466 : | } | ||
467 : | |||
468 : | edgomez | 195 | int32_t |
469 : | Square16_MainSearch(const uint8_t * const pRef, | ||
470 : | chl | 96 | const uint8_t * const pRefH, |
471 : | const uint8_t * const pRefV, | ||
472 : | const uint8_t * const pRefHV, | ||
473 : | const uint8_t * const cur, | ||
474 : | edgomez | 195 | const int x, |
475 : | const int y, | ||
476 : | edgomez | 476 | const int start_x, |
477 : | const int start_y, | ||
478 : | int iMinSAD, | ||
479 : | VECTOR * const currMV, | ||
480 : | const int center_x, | ||
481 : | const int center_y, | ||
482 : | edgomez | 195 | const int32_t min_dx, |
483 : | const int32_t max_dx, | ||
484 : | const int32_t min_dy, | ||
485 : | const int32_t max_dy, | ||
486 : | const int32_t iEdgedWidth, | ||
487 : | const int32_t iDiamondSize, | ||
488 : | chl | 96 | const int32_t iFcode, |
489 : | const int32_t iQuant, | ||
490 : | int iFound) | ||
491 : | { | ||
492 : | /* Do a square search around given starting point, return SAD of best */ | ||
493 : | |||
494 : | edgomez | 195 | int32_t iDirection = 0; |
495 : | chl | 96 | int32_t iSAD; |
496 : | VECTOR backupMV; | ||
497 : | edgomez | 195 | |
498 : | chl | 326 | backupMV.x = start_x; |
499 : | backupMV.y = start_y; | ||
500 : | edgomez | 195 | |
501 : | chl | 96 | /* It's one search with full square pattern, and new parts for all following diamonds */ |
502 : | |||
503 : | /* new direction are extra, so 1-4 is normal diamond | ||
504 : | 537 | ||
505 : | 1*2 | ||
506 : | 648 | ||
507 : | */ | ||
508 : | |||
509 : | edgomez | 195 | CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, backupMV.y, 1); |
510 : | CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, backupMV.y, 2); | ||
511 : | CHECK_MV16_CANDIDATE_DIR(backupMV.x, backupMV.y - iDiamondSize, 3); | ||
512 : | CHECK_MV16_CANDIDATE_DIR(backupMV.x, backupMV.y + iDiamondSize, 4); | ||
513 : | chl | 96 | |
514 : | edgomez | 195 | CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
515 : | backupMV.y - iDiamondSize, 5); | ||
516 : | CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, | ||
517 : | backupMV.y + iDiamondSize, 6); | ||
518 : | CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, | ||
519 : | backupMV.y - iDiamondSize, 7); | ||
520 : | CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, | ||
521 : | backupMV.y + iDiamondSize, 8); | ||
522 : | chl | 96 | |
523 : | edgomez | 195 | |
524 : | chl | 345 | if (iDirection) { |
525 : | edgomez | 195 | while (!iFound) { |
526 : | iFound = 1; | ||
527 : | backupMV = *currMV; | ||
528 : | chl | 96 | |
529 : | edgomez | 195 | switch (iDirection) { |
530 : | case 1: | ||
531 : | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, | ||
532 : | backupMV.y, 1); | ||
533 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
534 : | edgomez | 195 | backupMV.y - iDiamondSize, 5); |
535 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
536 : | edgomez | 195 | backupMV.y - iDiamondSize, 7); |
537 : | break; | ||
538 : | case 2: | ||
539 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, backupMV.y, |
540 : | edgomez | 195 | 2); |
541 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
542 : | edgomez | 195 | backupMV.y + iDiamondSize, 6); |
543 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
544 : | edgomez | 195 | backupMV.y + iDiamondSize, 8); |
545 : | break; | ||
546 : | |||
547 : | case 3: | ||
548 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x, backupMV.y + iDiamondSize, |
549 : | edgomez | 195 | 4); |
550 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
551 : | edgomez | 195 | backupMV.y - iDiamondSize, 7); |
552 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
553 : | edgomez | 195 | backupMV.y + iDiamondSize, 8); |
554 : | break; | ||
555 : | |||
556 : | case 4: | ||
557 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x, backupMV.y - iDiamondSize, |
558 : | edgomez | 195 | 3); |
559 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
560 : | edgomez | 195 | backupMV.y - iDiamondSize, 5); |
561 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
562 : | edgomez | 195 | backupMV.y + iDiamondSize, 6); |
563 : | break; | ||
564 : | |||
565 : | case 5: | ||
566 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, backupMV.y, |
567 : | edgomez | 195 | 1); |
568 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x, backupMV.y - iDiamondSize, |
569 : | edgomez | 195 | 3); |
570 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
571 : | edgomez | 195 | backupMV.y - iDiamondSize, 5); |
572 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
573 : | edgomez | 195 | backupMV.y + iDiamondSize, 6); |
574 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
575 : | edgomez | 195 | backupMV.y - iDiamondSize, 7); |
576 : | break; | ||
577 : | |||
578 : | case 6: | ||
579 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, backupMV.y, |
580 : | edgomez | 195 | 2); |
581 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x, backupMV.y - iDiamondSize, |
582 : | edgomez | 195 | 3); |
583 : | |||
584 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
585 : | edgomez | 195 | backupMV.y - iDiamondSize, 5); |
586 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
587 : | edgomez | 195 | backupMV.y + iDiamondSize, 6); |
588 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
589 : | edgomez | 195 | backupMV.y + iDiamondSize, 8); |
590 : | |||
591 : | break; | ||
592 : | |||
593 : | case 7: | ||
594 : | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, | ||
595 : | backupMV.y, 1); | ||
596 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x, backupMV.y + iDiamondSize, |
597 : | edgomez | 195 | 4); |
598 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
599 : | edgomez | 195 | backupMV.y - iDiamondSize, 5); |
600 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
601 : | edgomez | 195 | backupMV.y - iDiamondSize, 7); |
602 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
603 : | edgomez | 195 | backupMV.y + iDiamondSize, 8); |
604 : | break; | ||
605 : | |||
606 : | case 8: | ||
607 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, backupMV.y, |
608 : | edgomez | 195 | 2); |
609 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x, backupMV.y + iDiamondSize, |
610 : | edgomez | 195 | 4); |
611 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
612 : | edgomez | 195 | backupMV.y + iDiamondSize, 6); |
613 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
614 : | edgomez | 195 | backupMV.y - iDiamondSize, 7); |
615 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
616 : | edgomez | 195 | backupMV.y + iDiamondSize, 8); |
617 : | break; | ||
618 : | chl | 96 | default: |
619 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, backupMV.y, |
620 : | edgomez | 195 | 1); |
621 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, backupMV.y, |
622 : | edgomez | 195 | 2); |
623 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x, backupMV.y - iDiamondSize, |
624 : | edgomez | 195 | 3); |
625 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x, backupMV.y + iDiamondSize, |
626 : | edgomez | 195 | 4); |
627 : | |||
628 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
629 : | edgomez | 195 | backupMV.y - iDiamondSize, 5); |
630 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
631 : | edgomez | 195 | backupMV.y + iDiamondSize, 6); |
632 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
633 : | edgomez | 195 | backupMV.y - iDiamondSize, 7); |
634 : | chl | 345 | CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
635 : | edgomez | 195 | backupMV.y + iDiamondSize, 8); |
636 : | break; | ||
637 : | chl | 96 | } |
638 : | chl | 345 | } |
639 : | edgomez | 195 | } else { |
640 : | chl | 326 | currMV->x = start_x; |
641 : | currMV->y = start_y; | ||
642 : | edgomez | 195 | } |
643 : | chl | 96 | return iMinSAD; |
644 : | } | ||
645 : | |||
646 : | |||
647 : | edgomez | 195 | int32_t |
648 : | Full16_MainSearch(const uint8_t * const pRef, | ||
649 : | const uint8_t * const pRefH, | ||
650 : | const uint8_t * const pRefV, | ||
651 : | const uint8_t * const pRefHV, | ||
652 : | const uint8_t * const cur, | ||
653 : | const int x, | ||
654 : | const int y, | ||
655 : | edgomez | 476 | const int start_x, |
656 : | const int start_y, | ||
657 : | int iMinSAD, | ||
658 : | VECTOR * const currMV, | ||
659 : | const int center_x, | ||
660 : | const int center_y, | ||
661 : | edgomez | 195 | const int32_t min_dx, |
662 : | const int32_t max_dx, | ||
663 : | const int32_t min_dy, | ||
664 : | const int32_t max_dy, | ||
665 : | const int32_t iEdgedWidth, | ||
666 : | const int32_t iDiamondSize, | ||
667 : | const int32_t iFcode, | ||
668 : | const int32_t iQuant, | ||
669 : | int iFound) | ||
670 : | chl | 96 | { |
671 : | int32_t iSAD; | ||
672 : | edgomez | 195 | int32_t dx, dy; |
673 : | chl | 96 | VECTOR backupMV; |
674 : | edgomez | 195 | |
675 : | chl | 326 | backupMV.x = start_x; |
676 : | backupMV.y = start_y; | ||
677 : | chl | 96 | |
678 : | edgomez | 195 | for (dx = min_dx; dx <= max_dx; dx += iDiamondSize) |
679 : | for (dy = min_dy; dy <= max_dy; dy += iDiamondSize) | ||
680 : | NOCHECK_MV16_CANDIDATE(dx, dy); | ||
681 : | |||
682 : | chl | 96 | return iMinSAD; |
683 : | } | ||
684 : | |||
685 : | edgomez | 195 | int32_t |
686 : | AdvDiamond16_MainSearch(const uint8_t * const pRef, | ||
687 : | const uint8_t * const pRefH, | ||
688 : | const uint8_t * const pRefV, | ||
689 : | const uint8_t * const pRefHV, | ||
690 : | const uint8_t * const cur, | ||
691 : | const int x, | ||
692 : | const int y, | ||
693 : | edgomez | 476 | const int start_xi, |
694 : | const int start_yi, | ||
695 : | int iMinSAD, | ||
696 : | VECTOR * const currMV, | ||
697 : | const int center_x, | ||
698 : | const int center_y, | ||
699 : | edgomez | 195 | const int32_t min_dx, |
700 : | const int32_t max_dx, | ||
701 : | const int32_t min_dy, | ||
702 : | const int32_t max_dy, | ||
703 : | const int32_t iEdgedWidth, | ||
704 : | const int32_t iDiamondSize, | ||
705 : | const int32_t iFcode, | ||
706 : | const int32_t iQuant, | ||
707 : | int iDirection) | ||
708 : | chl | 181 | { |
709 : | |||
710 : | int32_t iSAD; | ||
711 : | edgomez | 476 | int start_x = start_xi, start_y = start_yi; |
712 : | chl | 181 | |
713 : | /* directions: 1 - left (x-1); 2 - right (x+1), 4 - up (y-1); 8 - down (y+1) */ | ||
714 : | |||
715 : | edgomez | 195 | if (iDirection) { |
716 : | chl | 326 | CHECK_MV16_CANDIDATE(start_x - iDiamondSize, start_y); |
717 : | CHECK_MV16_CANDIDATE(start_x + iDiamondSize, start_y); | ||
718 : | CHECK_MV16_CANDIDATE(start_x, start_y - iDiamondSize); | ||
719 : | CHECK_MV16_CANDIDATE(start_x, start_y + iDiamondSize); | ||
720 : | edgomez | 195 | } else { |
721 : | int bDirection = 1 + 2 + 4 + 8; | ||
722 : | |||
723 : | do { | ||
724 : | chl | 181 | iDirection = 0; |
725 : | 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) |
726 : | chl | 326 | CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, start_y, 1); |
727 : | chl | 181 | |
728 : | edgomez | 195 | if (bDirection & 2) |
729 : | chl | 326 | CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, start_y, 2); |
730 : | chl | 181 | |
731 : | edgomez | 195 | if (bDirection & 4) |
732 : | chl | 326 | CHECK_MV16_CANDIDATE_DIR(start_x, start_y - iDiamondSize, 4); |
733 : | chl | 181 | |
734 : | edgomez | 195 | if (bDirection & 8) |
735 : | chl | 326 | CHECK_MV16_CANDIDATE_DIR(start_x, start_y + iDiamondSize, 8); |
736 : | chl | 181 | |
737 : | /* now we're doing diagonal checks near our candidate */ | ||
738 : | |||
739 : | edgomez | 195 | if (iDirection) //checking if anything found |
740 : | chl | 181 | { |
741 : | bDirection = iDirection; | ||
742 : | iDirection = 0; | ||
743 : | chl | 326 | start_x = currMV->x; |
744 : | start_y = currMV->y; | ||
745 : | edgomez | 195 | if (bDirection & 3) //our candidate is left or right |
746 : | chl | 181 | { |
747 : | chl | 326 | CHECK_MV16_CANDIDATE_DIR(start_x, start_y + iDiamondSize, 8); |
748 : | CHECK_MV16_CANDIDATE_DIR(start_x, start_y - iDiamondSize, 4); | ||
749 : | edgomez | 195 | } else // what remains here is up or down |
750 : | chl | 181 | { |
751 : | chl | 326 | CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, start_y, 2); |
752 : | CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, start_y, 1); | ||
753 : | chl | 181 | } |
754 : | |||
755 : | edgomez | 195 | if (iDirection) { |
756 : | bDirection += iDirection; | ||
757 : | chl | 326 | start_x = currMV->x; |
758 : | start_y = currMV->y; | ||
759 : | chl | 181 | } |
760 : | edgomez | 195 | } else //about to quit, eh? not so fast.... |
761 : | chl | 181 | { |
762 : | edgomez | 195 | switch (bDirection) { |
763 : | chl | 181 | case 2: |
764 : | chl | 326 | CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, |
765 : | start_y - iDiamondSize, 2 + 4); | ||
766 : | CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, | ||
767 : | start_y + iDiamondSize, 2 + 8); | ||
768 : | chl | 181 | break; |
769 : | case 1: | ||
770 : | chl | 326 | |
771 : | CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, | ||
772 : | start_y - iDiamondSize, 1 + 4); | ||
773 : | CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, | ||
774 : | start_y + iDiamondSize, 1 + 8); | ||
775 : | chl | 181 | break; |
776 : | edgomez | 195 | case 2 + 4: |
777 : | chl | 326 | CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, |
778 : | start_y - iDiamondSize, 1 + 4); | ||
779 : | CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, | ||
780 : | start_y - iDiamondSize, 2 + 4); | ||
781 : | CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, | ||
782 : | start_y + iDiamondSize, 2 + 8); | ||
783 : | chl | 181 | break; |
784 : | case 4: | ||
785 : | chl | 326 | CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, |
786 : | start_y - iDiamondSize, 2 + 4); | ||
787 : | CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, | ||
788 : | start_y - iDiamondSize, 1 + 4); | ||
789 : | chl | 181 | break; |
790 : | case 8: | ||
791 : | chl | 326 | CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, |
792 : | start_y + iDiamondSize, 2 + 8); | ||
793 : | CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, | ||
794 : | start_y + iDiamondSize, 1 + 8); | ||
795 : | chl | 181 | break; |
796 : | edgomez | 195 | case 1 + 4: |
797 : | chl | 326 | CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, |
798 : | start_y + iDiamondSize, 1 + 8); | ||
799 : | CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, | ||
800 : | start_y - iDiamondSize, 1 + 4); | ||
801 : | CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, | ||
802 : | start_y - iDiamondSize, 2 + 4); | ||
803 : | chl | 181 | break; |
804 : | edgomez | 195 | case 2 + 8: |
805 : | chl | 326 | CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, |
806 : | start_y - iDiamondSize, 1 + 4); | ||
807 : | CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, | ||
808 : | start_y + iDiamondSize, 1 + 8); | ||
809 : | CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, | ||
810 : | start_y + iDiamondSize, 2 + 8); | ||
811 : | chl | 181 | break; |
812 : | edgomez | 195 | case 1 + 8: |
813 : | chl | 326 | CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, |
814 : | start_y - iDiamondSize, 2 + 4); | ||
815 : | CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, | ||
816 : | start_y + iDiamondSize, 2 + 8); | ||
817 : | CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, | ||
818 : | start_y + iDiamondSize, 1 + 8); | ||
819 : | chl | 181 | break; |
820 : | edgomez | 195 | default: //1+2+4+8 == we didn't find anything at all |
821 : | chl | 326 | CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, |
822 : | start_y - iDiamondSize, 1 + 4); | ||
823 : | CHECK_MV16_CANDIDATE_DIR(start_x - iDiamondSize, | ||
824 : | start_y + iDiamondSize, 1 + 8); | ||
825 : | CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, | ||
826 : | start_y - iDiamondSize, 2 + 4); | ||
827 : | CHECK_MV16_CANDIDATE_DIR(start_x + iDiamondSize, | ||
828 : | start_y + iDiamondSize, 2 + 8); | ||
829 : | chl | 181 | break; |
830 : | } | ||
831 : | edgomez | 195 | if (!iDirection) |
832 : | break; //ok, the end. really | ||
833 : | else { | ||
834 : | bDirection = iDirection; | ||
835 : | chl | 326 | start_x = currMV->x; |
836 : | start_y = currMV->y; | ||
837 : | chl | 181 | } |
838 : | } | ||
839 : | } | ||
840 : | edgomez | 195 | while (1); //forever |
841 : | chl | 181 | } |
842 : | edgomez | 504 | |
843 : | chl | 181 | return iMinSAD; |
844 : | } | ||
845 : | |||
846 : | edgomez | 195 | int32_t |
847 : | AdvDiamond8_MainSearch(const uint8_t * const pRef, | ||
848 : | const uint8_t * const pRefH, | ||
849 : | const uint8_t * const pRefV, | ||
850 : | const uint8_t * const pRefHV, | ||
851 : | const uint8_t * const cur, | ||
852 : | const int x, | ||
853 : | const int y, | ||
854 : | edgomez | 476 | const int start_xi, |
855 : | const int start_yi, | ||
856 : | chl | 326 | int iMinSAD, |
857 : | edgomez | 195 | VECTOR * const currMV, |
858 : | chl | 326 | const int center_x, |
859 : | const int center_y, | ||
860 : | edgomez | 195 | const int32_t min_dx, |
861 : | const int32_t max_dx, | ||
862 : | const int32_t min_dy, | ||
863 : | const int32_t max_dy, | ||
864 : | const int32_t iEdgedWidth, | ||
865 : | const int32_t iDiamondSize, | ||
866 : | const int32_t iFcode, | ||
867 : | const int32_t iQuant, | ||
868 : | int iDirection) | ||
869 : | chl | 181 | { |
870 : | |||
871 : | int32_t iSAD; | ||
872 : | edgomez | 476 | int start_x = start_xi, start_y = start_yi; |
873 : | chl | 181 | |
874 : | /* directions: 1 - left (x-1); 2 - right (x+1), 4 - up (y-1); 8 - down (y+1) */ | ||
875 : | |||
876 : | edgomez | 195 | if (iDirection) { |
877 : | chl | 326 | CHECK_MV8_CANDIDATE(start_x - iDiamondSize, start_y); |
878 : | CHECK_MV8_CANDIDATE(start_x + iDiamondSize, start_y); | ||
879 : | CHECK_MV8_CANDIDATE(start_x, start_y - iDiamondSize); | ||
880 : | CHECK_MV8_CANDIDATE(start_x, start_y + iDiamondSize); | ||
881 : | edgomez | 195 | } else { |
882 : | int bDirection = 1 + 2 + 4 + 8; | ||
883 : | |||
884 : | do { | ||
885 : | chl | 181 | iDirection = 0; |
886 : | 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) |
887 : | chl | 326 | CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, start_y, 1); |
888 : | chl | 181 | |
889 : | edgomez | 195 | if (bDirection & 2) |
890 : | chl | 326 | CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, start_y, 2); |
891 : | chl | 181 | |
892 : | edgomez | 195 | if (bDirection & 4) |
893 : | chl | 326 | CHECK_MV8_CANDIDATE_DIR(start_x, start_y - iDiamondSize, 4); |
894 : | chl | 181 | |
895 : | edgomez | 195 | if (bDirection & 8) |
896 : | chl | 326 | CHECK_MV8_CANDIDATE_DIR(start_x, start_y + iDiamondSize, 8); |
897 : | chl | 181 | |
898 : | /* now we're doing diagonal checks near our candidate */ | ||
899 : | |||
900 : | edgomez | 195 | if (iDirection) //checking if anything found |
901 : | chl | 181 | { |
902 : | bDirection = iDirection; | ||
903 : | iDirection = 0; | ||
904 : | chl | 326 | start_x = currMV->x; |
905 : | start_y = currMV->y; | ||
906 : | edgomez | 195 | if (bDirection & 3) //our candidate is left or right |
907 : | chl | 181 | { |
908 : | chl | 326 | CHECK_MV8_CANDIDATE_DIR(start_x, start_y + iDiamondSize, 8); |
909 : | CHECK_MV8_CANDIDATE_DIR(start_x, start_y - iDiamondSize, 4); | ||
910 : | edgomez | 195 | } else // what remains here is up or down |
911 : | chl | 181 | { |
912 : | chl | 326 | CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, start_y, 2); |
913 : | CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, start_y, 1); | ||
914 : | chl | 181 | } |
915 : | |||
916 : | edgomez | 195 | if (iDirection) { |
917 : | bDirection += iDirection; | ||
918 : | chl | 326 | start_x = currMV->x; |
919 : | start_y = currMV->y; | ||
920 : | chl | 181 | } |
921 : | edgomez | 195 | } else //about to quit, eh? not so fast.... |
922 : | chl | 181 | { |
923 : | edgomez | 195 | switch (bDirection) { |
924 : | chl | 181 | case 2: |
925 : | chl | 326 | CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, |
926 : | start_y - iDiamondSize, 2 + 4); | ||
927 : | CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, | ||
928 : | start_y + iDiamondSize, 2 + 8); | ||
929 : | chl | 181 | break; |
930 : | case 1: | ||
931 : | chl | 326 | CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, |
932 : | start_y - iDiamondSize, 1 + 4); | ||
933 : | CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, | ||
934 : | start_y + iDiamondSize, 1 + 8); | ||
935 : | chl | 181 | break; |
936 : | edgomez | 195 | case 2 + 4: |
937 : | chl | 326 | CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, |
938 : | start_y - iDiamondSize, 1 + 4); | ||
939 : | CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, | ||
940 : | start_y - iDiamondSize, 2 + 4); | ||
941 : | CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, | ||
942 : | start_y + iDiamondSize, 2 + 8); | ||
943 : | chl | 181 | break; |
944 : | case 4: | ||
945 : | chl | 326 | CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, |
946 : | start_y - iDiamondSize, 2 + 4); | ||
947 : | CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, | ||
948 : | start_y - iDiamondSize, 1 + 4); | ||
949 : | chl | 181 | break; |
950 : | case 8: | ||
951 : | chl | 326 | CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, |
952 : | start_y + iDiamondSize, 2 + 8); | ||
953 : | CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, | ||
954 : | start_y + iDiamondSize, 1 + 8); | ||
955 : | chl | 181 | break; |
956 : | edgomez | 195 | case 1 + 4: |
957 : | chl | 326 | CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, |
958 : | start_y + iDiamondSize, 1 + 8); | ||
959 : | CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, | ||
960 : | start_y - iDiamondSize, 1 + 4); | ||
961 : | CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, | ||
962 : | start_y - iDiamondSize, 2 + 4); | ||
963 : | chl | 181 | break; |
964 : | edgomez | 195 | case 2 + 8: |
965 : | chl | 326 | CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, |
966 : | start_y - iDiamondSize, 1 + 4); | ||
967 : | CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, | ||
968 : | start_y + iDiamondSize, 1 + 8); | ||
969 : | CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, | ||
970 : | start_y + iDiamondSize, 2 + 8); | ||
971 : | chl | 181 | break; |
972 : | edgomez | 195 | case 1 + 8: |
973 : | chl | 326 | CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, |
974 : | start_y - iDiamondSize, 2 + 4); | ||
975 : | CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, | ||
976 : | start_y + iDiamondSize, 2 + 8); | ||
977 : | CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, | ||
978 : | start_y + iDiamondSize, 1 + 8); | ||
979 : | chl | 181 | break; |
980 : | edgomez | 195 | default: //1+2+4+8 == we didn't find anything at all |
981 : | chl | 326 | CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, |
982 : | start_y - iDiamondSize, 1 + 4); | ||
983 : | CHECK_MV8_CANDIDATE_DIR(start_x - iDiamondSize, | ||
984 : | start_y + iDiamondSize, 1 + 8); | ||
985 : | CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, | ||
986 : | start_y - iDiamondSize, 2 + 4); | ||
987 : | CHECK_MV8_CANDIDATE_DIR(start_x + iDiamondSize, | ||
988 : | start_y + iDiamondSize, 2 + 8); | ||
989 : | chl | 181 | break; |
990 : | } | ||
991 : | edgomez | 195 | if (!(iDirection)) |
992 : | break; //ok, the end. really | ||
993 : | else { | ||
994 : | bDirection = iDirection; | ||
995 : | chl | 326 | start_x = currMV->x; |
996 : | start_y = currMV->y; | ||
997 : | chl | 181 | } |
998 : | } | ||
999 : | } | ||
1000 : | edgomez | 195 | while (1); //forever |
1001 : | chl | 181 | } |
1002 : | return iMinSAD; | ||
1003 : | } | ||
1004 : | |||
1005 : | |||
1006 : | edgomez | 195 | int32_t |
1007 : | Full8_MainSearch(const uint8_t * const pRef, | ||
1008 : | const uint8_t * const pRefH, | ||
1009 : | const uint8_t * const pRefV, | ||
1010 : | const uint8_t * const pRefHV, | ||
1011 : | const uint8_t * const cur, | ||
1012 : | const int x, | ||
1013 : | const int y, | ||
1014 : | chl | 326 | const int start_x, |
1015 : | const int start_y, | ||
1016 : | int iMinSAD, | ||
1017 : | VECTOR * const currMV, | ||
1018 : | const int center_x, | ||
1019 : | const int center_y, | ||
1020 : | edgomez | 195 | const int32_t min_dx, |
1021 : | const int32_t max_dx, | ||
1022 : | const int32_t min_dy, | ||
1023 : | const int32_t max_dy, | ||
1024 : | const int32_t iEdgedWidth, | ||
1025 : | const int32_t iDiamondSize, | ||
1026 : | const int32_t iFcode, | ||
1027 : | const int32_t iQuant, | ||
1028 : | int iFound) | ||
1029 : | chl | 96 | { |
1030 : | int32_t iSAD; | ||
1031 : | edgomez | 195 | int32_t dx, dy; |
1032 : | chl | 96 | VECTOR backupMV; |
1033 : | edgomez | 195 | |
1034 : | chl | 326 | backupMV.x = start_x; |
1035 : | backupMV.y = start_y; | ||
1036 : | chl | 96 | |
1037 : | edgomez | 195 | for (dx = min_dx; dx <= max_dx; dx += iDiamondSize) |
1038 : | for (dy = min_dy; dy <= max_dy; dy += iDiamondSize) | ||
1039 : | NOCHECK_MV8_CANDIDATE(dx, dy); | ||
1040 : | |||
1041 : | chl | 96 | return iMinSAD; |
1042 : | } | ||
1043 : | |||
1044 : | ia64p | 300 | Halfpel8_RefineFuncPtr Halfpel8_Refine; |
1045 : | chl | 96 | |
1046 : | edgomez | 195 | int32_t |
1047 : | Halfpel16_Refine(const uint8_t * const pRef, | ||
1048 : | const uint8_t * const pRefH, | ||
1049 : | const uint8_t * const pRefV, | ||
1050 : | const uint8_t * const pRefHV, | ||
1051 : | const uint8_t * const cur, | ||
1052 : | const int x, | ||
1053 : | const int y, | ||
1054 : | VECTOR * const currMV, | ||
1055 : | int32_t iMinSAD, | ||
1056 : | chl | 326 | const int center_x, |
1057 : | const int center_y, | ||
1058 : | edgomez | 195 | const int32_t min_dx, |
1059 : | const int32_t max_dx, | ||
1060 : | const int32_t min_dy, | ||
1061 : | const int32_t max_dy, | ||
1062 : | const int32_t iFcode, | ||
1063 : | const int32_t iQuant, | ||
1064 : | const int32_t iEdgedWidth) | ||
1065 : | Isibaar | 3 | { |
1066 : | /* Do a half-pel refinement (or rather a "smallest possible amount" refinement) */ | ||
1067 : | |||
1068 : | int32_t iSAD; | ||
1069 : | VECTOR backupMV = *currMV; | ||
1070 : | edgomez | 195 | |
1071 : | CHECK_MV16_CANDIDATE(backupMV.x - 1, backupMV.y - 1); | ||
1072 : | CHECK_MV16_CANDIDATE(backupMV.x, backupMV.y - 1); | ||
1073 : | CHECK_MV16_CANDIDATE(backupMV.x + 1, backupMV.y - 1); | ||
1074 : | CHECK_MV16_CANDIDATE(backupMV.x - 1, backupMV.y); | ||
1075 : | CHECK_MV16_CANDIDATE(backupMV.x + 1, backupMV.y); | ||
1076 : | CHECK_MV16_CANDIDATE(backupMV.x - 1, backupMV.y + 1); | ||
1077 : | CHECK_MV16_CANDIDATE(backupMV.x, backupMV.y + 1); | ||
1078 : | CHECK_MV16_CANDIDATE(backupMV.x + 1, backupMV.y + 1); | ||
1079 : | |||
1080 : | Isibaar | 3 | return iMinSAD; |
1081 : | } | ||
1082 : | |||
1083 : | #define PMV_HALFPEL16 (PMV_HALFPELDIAMOND16|PMV_HALFPELREFINE16) | ||
1084 : | |||
1085 : | chl | 96 | |
1086 : | chl | 326 | |
1087 : | edgomez | 195 | int32_t |
1088 : | PMVfastSearch16(const uint8_t * const pRef, | ||
1089 : | const uint8_t * const pRefH, | ||
1090 : | const uint8_t * const pRefV, | ||
1091 : | const uint8_t * const pRefHV, | ||
1092 : | const IMAGE * const pCur, | ||
1093 : | const int x, | ||
1094 : | const int y, | ||
1095 : | chl | 346 | const int start_x, /* start is searched first, so it should contain the most */ |
1096 : | const int start_y, /* likely motion vector for this block */ | ||
1097 : | const int center_x, /* center is from where length of MVs is measured */ | ||
1098 : | chl | 326 | const int center_y, |
1099 : | edgomez | 195 | const uint32_t MotionFlags, |
1100 : | const uint32_t iQuant, | ||
1101 : | const uint32_t iFcode, | ||
1102 : | const MBParam * const pParam, | ||
1103 : | const MACROBLOCK * const pMBs, | ||
1104 : | const MACROBLOCK * const prevMBs, | ||
1105 : | VECTOR * const currMV, | ||
1106 : | VECTOR * const currPMV) | ||
1107 : | Isibaar | 3 | { |
1108 : | edgomez | 195 | const uint32_t iWcount = pParam->mb_width; |
1109 : | Isibaar | 3 | const int32_t iWidth = pParam->width; |
1110 : | const int32_t iHeight = pParam->height; | ||
1111 : | edgomez | 195 | const int32_t iEdgedWidth = pParam->edged_width; |
1112 : | Isibaar | 3 | |
1113 : | edgomez | 195 | const uint8_t *cur = pCur->y + x * 16 + y * 16 * iEdgedWidth; |
1114 : | Isibaar | 3 | |
1115 : | int32_t iDiamondSize; | ||
1116 : | edgomez | 195 | |
1117 : | Isibaar | 3 | int32_t min_dx; |
1118 : | int32_t max_dx; | ||
1119 : | int32_t min_dy; | ||
1120 : | int32_t max_dy; | ||
1121 : | edgomez | 195 | |
1122 : | Isibaar | 3 | int32_t iFound; |
1123 : | |||
1124 : | VECTOR newMV; | ||
1125 : | edgomez | 195 | VECTOR backupMV; /* just for PMVFAST */ |
1126 : | |||
1127 : | Isibaar | 3 | VECTOR pmv[4]; |
1128 : | int32_t psad[4]; | ||
1129 : | chl | 181 | |
1130 : | MainSearch16FuncPtr MainSearchPtr; | ||
1131 : | Isibaar | 3 | |
1132 : | edgomez | 195 | const MACROBLOCK *const prevMB = prevMBs + x + y * iWcount; |
1133 : | Isibaar | 3 | |
1134 : | chl | 259 | int32_t threshA, threshB; |
1135 : | edgomez | 195 | int32_t bPredEq; |
1136 : | int32_t iMinSAD, iSAD; | ||
1137 : | |||
1138 : | Isibaar | 3 | /* Get maximum range */ |
1139 : | edgomez | 195 | get_range(&min_dx, &max_dx, &min_dy, &max_dy, x, y, 16, iWidth, iHeight, |
1140 : | iFcode); | ||
1141 : | Isibaar | 3 | |
1142 : | /* we work with abs. MVs, not relative to prediction, so get_range is called relative to 0,0 */ | ||
1143 : | |||
1144 : | edgomez | 195 | if (!(MotionFlags & PMV_HALFPEL16)) { |
1145 : | min_dx = EVEN(min_dx); | ||
1146 : | max_dx = EVEN(max_dx); | ||
1147 : | min_dy = EVEN(min_dy); | ||
1148 : | max_dy = EVEN(max_dy); | ||
1149 : | } | ||
1150 : | Isibaar | 3 | |
1151 : | edgomez | 195 | /* because we might use something like IF (dx>max_dx) THEN dx=max_dx; */ |
1152 : | chl | 285 | bPredEq = get_pmvdata2(pMBs, iWcount, 0, x, y, 0, pmv, psad); |
1153 : | Isibaar | 3 | |
1154 : | edgomez | 195 | if ((x == 0) && (y == 0)) { |
1155 : | threshA = 512; | ||
1156 : | Isibaar | 3 | threshB = 1024; |
1157 : | edgomez | 195 | } else { |
1158 : | Isibaar | 3 | threshA = psad[0]; |
1159 : | edgomez | 195 | threshB = threshA + 256; |
1160 : | if (threshA < 512) | ||
1161 : | threshA = 512; | ||
1162 : | if (threshA > 1024) | ||
1163 : | threshA = 1024; | ||
1164 : | if (threshB > 1792) | ||
1165 : | threshB = 1792; | ||
1166 : | Isibaar | 3 | } |
1167 : | |||
1168 : | edgomez | 195 | iFound = 0; |
1169 : | |||
1170 : | Isibaar | 3 | /* Step 4: Calculate SAD around the Median prediction. |
1171 : | edgomez | 78 | MinSAD=SAD |
1172 : | If Motion Vector equal to Previous frame motion vector | ||
1173 : | and MinSAD<PrevFrmSAD goto Step 10. | ||
1174 : | If SAD<=256 goto Step 10. | ||
1175 : | edgomez | 195 | */ |
1176 : | Isibaar | 3 | |
1177 : | chl | 326 | currMV->x = start_x; |
1178 : | currMV->y = start_y; | ||
1179 : | |||
1180 : | edgomez | 195 | if (!(MotionFlags & PMV_HALFPEL16)) { /* This should NOT be necessary! */ |
1181 : | Isibaar | 3 | currMV->x = EVEN(currMV->x); |
1182 : | currMV->y = EVEN(currMV->y); | ||
1183 : | } | ||
1184 : | edgomez | 195 | |
1185 : | if (currMV->x > max_dx) { | ||
1186 : | currMV->x = max_dx; | ||
1187 : | edgomez | 78 | } |
1188 : | edgomez | 195 | if (currMV->x < min_dx) { |
1189 : | currMV->x = min_dx; | ||
1190 : | edgomez | 78 | } |
1191 : | edgomez | 195 | if (currMV->y > max_dy) { |
1192 : | currMV->y = max_dy; | ||
1193 : | edgomez | 78 | } |
1194 : | edgomez | 195 | if (currMV->y < min_dy) { |
1195 : | currMV->y = min_dy; | ||
1196 : | edgomez | 78 | } |
1197 : | edgomez | 195 | |
1198 : | iMinSAD = | ||
1199 : | sad16(cur, | ||
1200 : | get_ref_mv(pRef, pRefH, pRefV, pRefHV, x, y, 16, currMV, | ||
1201 : | iEdgedWidth), iEdgedWidth, MV_MAX_ERROR); | ||
1202 : | iMinSAD += | ||
1203 : | chl | 326 | calc_delta_16(currMV->x - center_x, currMV->y - center_y, |
1204 : | edgomez | 195 | (uint8_t) iFcode, iQuant); |
1205 : | |||
1206 : | if ((iMinSAD < 256) || | ||
1207 : | ((MVequal(*currMV, prevMB->mvs[0])) && | ||
1208 : | chl | 289 | ((int32_t) iMinSAD < prevMB->sad16))) { |
1209 : | edgomez | 476 | if (iMinSAD < (int)(2 * iQuant)) // high chances for SKIP-mode |
1210 : | edgomez | 195 | { |
1211 : | if (!MVzero(*currMV)) { | ||
1212 : | chl | 169 | iMinSAD += MV16_00_BIAS; |
1213 : | edgomez | 195 | CHECK_MV16_ZERO; // (0,0) saves space for letterboxed pictures |
1214 : | chl | 169 | iMinSAD -= MV16_00_BIAS; |
1215 : | } | ||
1216 : | } | ||
1217 : | |||
1218 : | edgomez | 195 | if (MotionFlags & PMV_QUICKSTOP16) |
1219 : | chl | 96 | goto PMVfast16_Terminate_without_Refine; |
1220 : | if (MotionFlags & PMV_EARLYSTOP16) | ||
1221 : | goto PMVfast16_Terminate_with_Refine; | ||
1222 : | edgomez | 78 | } |
1223 : | Isibaar | 3 | |
1224 : | chl | 169 | |
1225 : | /* Step 2 (lazy eval): Calculate Distance= |MedianMVX| + |MedianMVY| where MedianMV is the motion | ||
1226 : | vector of the median. | ||
1227 : | If PredEq=1 and MVpredicted = Previous Frame MV, set Found=2 | ||
1228 : | */ | ||
1229 : | |||
1230 : | edgomez | 195 | if ((bPredEq) && (MVequal(pmv[0], prevMB->mvs[0]))) |
1231 : | iFound = 2; | ||
1232 : | chl | 169 | |
1233 : | /* Step 3 (lazy eval): If Distance>0 or thresb<1536 or PredEq=1 Select small Diamond Search. | ||
1234 : | Otherwise select large Diamond Search. | ||
1235 : | */ | ||
1236 : | |||
1237 : | edgomez | 195 | if ((!MVzero(pmv[0])) || (threshB < 1536) || (bPredEq)) |
1238 : | iDiamondSize = 1; // halfpel! | ||
1239 : | chl | 169 | else |
1240 : | edgomez | 195 | iDiamondSize = 2; // halfpel! |
1241 : | chl | 169 | |
1242 : | edgomez | 195 | if (!(MotionFlags & PMV_HALFPELDIAMOND16)) |
1243 : | iDiamondSize *= 2; | ||
1244 : | chl | 169 | |
1245 : | Isibaar | 3 | /* |
1246 : | edgomez | 78 | Step 5: Calculate SAD for motion vectors taken from left block, top, top-right, and Previous frame block. |
1247 : | Also calculate (0,0) but do not subtract offset. | ||
1248 : | Let MinSAD be the smallest SAD up to this point. | ||
1249 : | chl | 140 | If MV is (0,0) subtract offset. |
1250 : | Isibaar | 3 | */ |
1251 : | |||
1252 : | // (0,0) is always possible | ||
1253 : | |||
1254 : | chl | 169 | if (!MVzero(pmv[0])) |
1255 : | CHECK_MV16_ZERO; | ||
1256 : | Isibaar | 3 | |
1257 : | // previous frame MV is always possible | ||
1258 : | chl | 169 | |
1259 : | if (!MVzero(prevMB->mvs[0])) | ||
1260 : | edgomez | 195 | if (!MVequal(prevMB->mvs[0], pmv[0])) |
1261 : | CHECK_MV16_CANDIDATE(prevMB->mvs[0].x, prevMB->mvs[0].y); | ||
1262 : | |||
1263 : | Isibaar | 3 | // left neighbour, if allowed |
1264 : | chl | 169 | |
1265 : | if (!MVzero(pmv[1])) | ||
1266 : | edgomez | 195 | if (!MVequal(pmv[1], prevMB->mvs[0])) |
1267 : | if (!MVequal(pmv[1], pmv[0])) { | ||
1268 : | if (!(MotionFlags & PMV_HALFPEL16)) { | ||
1269 : | pmv[1].x = EVEN(pmv[1].x); | ||
1270 : | pmv[1].y = EVEN(pmv[1].y); | ||
1271 : | } | ||
1272 : | chl | 169 | |
1273 : | edgomez | 195 | CHECK_MV16_CANDIDATE(pmv[1].x, pmv[1].y); |
1274 : | } | ||
1275 : | Isibaar | 3 | // top neighbour, if allowed |
1276 : | chl | 169 | if (!MVzero(pmv[2])) |
1277 : | edgomez | 195 | if (!MVequal(pmv[2], prevMB->mvs[0])) |
1278 : | if (!MVequal(pmv[2], pmv[0])) | ||
1279 : | if (!MVequal(pmv[2], pmv[1])) { | ||
1280 : | if (!(MotionFlags & PMV_HALFPEL16)) { | ||
1281 : | pmv[2].x = EVEN(pmv[2].x); | ||
1282 : | pmv[2].y = EVEN(pmv[2].y); | ||
1283 : | } | ||
1284 : | CHECK_MV16_CANDIDATE(pmv[2].x, pmv[2].y); | ||
1285 : | |||
1286 : | Isibaar | 3 | // top right neighbour, if allowed |
1287 : | edgomez | 195 | if (!MVzero(pmv[3])) |
1288 : | if (!MVequal(pmv[3], prevMB->mvs[0])) | ||
1289 : | if (!MVequal(pmv[3], pmv[0])) | ||
1290 : | if (!MVequal(pmv[3], pmv[1])) | ||
1291 : | if (!MVequal(pmv[3], pmv[2])) { | ||
1292 : | if (!(MotionFlags & PMV_HALFPEL16)) { | ||
1293 : | pmv[3].x = EVEN(pmv[3].x); | ||
1294 : | pmv[3].y = EVEN(pmv[3].y); | ||
1295 : | } | ||
1296 : | CHECK_MV16_CANDIDATE(pmv[3].x, | ||
1297 : | pmv[3].y); | ||
1298 : | } | ||
1299 : | } | ||
1300 : | |||
1301 : | if ((MVzero(*currMV)) && | ||
1302 : | (!MVzero(pmv[0])) /* && (iMinSAD <= iQuant * 96) */ ) | ||
1303 : | chl | 140 | iMinSAD -= MV16_00_BIAS; |
1304 : | Isibaar | 3 | |
1305 : | edgomez | 195 | |
1306 : | Isibaar | 3 | /* Step 6: If MinSAD <= thresa goto Step 10. |
1307 : | If Motion Vector equal to Previous frame motion vector and MinSAD<PrevFrmSAD goto Step 10. | ||
1308 : | */ | ||
1309 : | |||
1310 : | edgomez | 195 | if ((iMinSAD <= threshA) || |
1311 : | (MVequal(*currMV, prevMB->mvs[0]) && | ||
1312 : | chl | 289 | ((int32_t) iMinSAD < prevMB->sad16))) { |
1313 : | edgomez | 195 | if (MotionFlags & PMV_QUICKSTOP16) |
1314 : | chl | 96 | goto PMVfast16_Terminate_without_Refine; |
1315 : | if (MotionFlags & PMV_EARLYSTOP16) | ||
1316 : | goto PMVfast16_Terminate_with_Refine; | ||
1317 : | edgomez | 78 | } |
1318 : | Isibaar | 3 | |
1319 : | |||
1320 : | /************ (Diamond Search) **************/ | ||
1321 : | /* | ||
1322 : | edgomez | 78 | Step 7: Perform Diamond search, with either the small or large diamond. |
1323 : | If Found=2 only examine one Diamond pattern, and afterwards goto step 10 | ||
1324 : | Step 8: If small diamond, iterate small diamond search pattern until motion vector lies in the center of the diamond. | ||
1325 : | If center then goto step 10. | ||
1326 : | Step 9: If large diamond, iterate large diamond search pattern until motion vector lies in the center. | ||
1327 : | Refine by using small diamond and goto step 10. | ||
1328 : | Isibaar | 3 | */ |
1329 : | |||
1330 : | chl | 181 | if (MotionFlags & PMV_USESQUARES16) |
1331 : | MainSearchPtr = Square16_MainSearch; | ||
1332 : | edgomez | 195 | else if (MotionFlags & PMV_ADVANCEDDIAMOND16) |
1333 : | MainSearchPtr = AdvDiamond16_MainSearch; | ||
1334 : | chl | 181 | else |
1335 : | edgomez | 195 | MainSearchPtr = Diamond16_MainSearch; |
1336 : | chl | 181 | |
1337 : | edgomez | 195 | backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
1338 : | Isibaar | 3 | |
1339 : | chl | 259 | |
1340 : | Isibaar | 3 | /* default: use best prediction as starting point for one call of PMVfast_MainSearch */ |
1341 : | edgomez | 195 | iSAD = |
1342 : | chl | 326 | (*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, |
1343 : | currMV->x, currMV->y, iMinSAD, &newMV, center_x, center_y, | ||
1344 : | min_dx, max_dx, | ||
1345 : | edgomez | 195 | min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, |
1346 : | iQuant, iFound); | ||
1347 : | |||
1348 : | if (iSAD < iMinSAD) { | ||
1349 : | Isibaar | 3 | *currMV = newMV; |
1350 : | iMinSAD = iSAD; | ||
1351 : | } | ||
1352 : | |||
1353 : | edgomez | 195 | if (MotionFlags & PMV_EXTSEARCH16) { |
1354 : | Isibaar | 3 | /* extended: search (up to) two more times: orignal prediction and (0,0) */ |
1355 : | |||
1356 : | edgomez | 195 | if (!(MVequal(pmv[0], backupMV))) { |
1357 : | iSAD = | ||
1358 : | (*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, | ||
1359 : | chl | 326 | center_x, center_y, iMinSAD, &newMV, center_x, center_y, |
1360 : | edgomez | 195 | min_dx, max_dx, min_dy, max_dy, iEdgedWidth, |
1361 : | iDiamondSize, iFcode, iQuant, iFound); | ||
1362 : | |||
1363 : | if (iSAD < iMinSAD) { | ||
1364 : | *currMV = newMV; | ||
1365 : | iMinSAD = iSAD; | ||
1366 : | } | ||
1367 : | Isibaar | 3 | } |
1368 : | |||
1369 : | edgomez | 195 | if ((!(MVzero(pmv[0]))) && (!(MVzero(backupMV)))) { |
1370 : | iSAD = | ||
1371 : | (*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, 0, 0, | ||
1372 : | chl | 326 | iMinSAD, &newMV, center_x, center_y, |
1373 : | min_dx, max_dx, min_dy, max_dy, | ||
1374 : | iEdgedWidth, iDiamondSize, iFcode, | ||
1375 : | edgomez | 195 | iQuant, iFound); |
1376 : | |||
1377 : | if (iSAD < iMinSAD) { | ||
1378 : | *currMV = newMV; | ||
1379 : | iMinSAD = iSAD; | ||
1380 : | } | ||
1381 : | Isibaar | 3 | } |
1382 : | } | ||
1383 : | |||
1384 : | /* | ||
1385 : | edgomez | 78 | Step 10: The motion vector is chosen according to the block corresponding to MinSAD. |
1386 : | Isibaar | 3 | */ |
1387 : | |||
1388 : | edgomez | 195 | PMVfast16_Terminate_with_Refine: |
1389 : | if (MotionFlags & PMV_HALFPELREFINE16) // perform final half-pel step | ||
1390 : | iMinSAD = | ||
1391 : | Halfpel16_Refine(pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV, | ||
1392 : | chl | 326 | iMinSAD, center_x, center_y, min_dx, max_dx, min_dy, max_dy, |
1393 : | edgomez | 195 | iFcode, iQuant, iEdgedWidth); |
1394 : | Isibaar | 3 | |
1395 : | edgomez | 195 | PMVfast16_Terminate_without_Refine: |
1396 : | chl | 326 | currPMV->x = currMV->x - center_x; |
1397 : | currPMV->y = currMV->y - center_y; | ||
1398 : | Isibaar | 3 | return iMinSAD; |
1399 : | } | ||
1400 : | |||
1401 : | |||
1402 : | |||
1403 : | |||
1404 : | |||
1405 : | |||
1406 : | edgomez | 195 | int32_t |
1407 : | Diamond8_MainSearch(const uint8_t * const pRef, | ||
1408 : | const uint8_t * const pRefH, | ||
1409 : | const uint8_t * const pRefV, | ||
1410 : | const uint8_t * const pRefHV, | ||
1411 : | const uint8_t * const cur, | ||
1412 : | const int x, | ||
1413 : | const int y, | ||
1414 : | edgomez | 476 | const int32_t start_x, |
1415 : | const int32_t start_y, | ||
1416 : | edgomez | 195 | int32_t iMinSAD, |
1417 : | VECTOR * const currMV, | ||
1418 : | edgomez | 476 | const int center_x, |
1419 : | const int center_y, | ||
1420 : | edgomez | 195 | const int32_t min_dx, |
1421 : | const int32_t max_dx, | ||
1422 : | const int32_t min_dy, | ||
1423 : | const int32_t max_dy, | ||
1424 : | const int32_t iEdgedWidth, | ||
1425 : | const int32_t iDiamondSize, | ||
1426 : | const int32_t iFcode, | ||
1427 : | const int32_t iQuant, | ||
1428 : | int iFound) | ||
1429 : | Isibaar | 3 | { |
1430 : | /* Do a diamond search around given starting point, return SAD of best */ | ||
1431 : | |||
1432 : | edgomez | 195 | int32_t iDirection = 0; |
1433 : | chl | 344 | int32_t iDirectionBackup; |
1434 : | Isibaar | 3 | int32_t iSAD; |
1435 : | VECTOR backupMV; | ||
1436 : | edgomez | 195 | |
1437 : | chl | 326 | backupMV.x = start_x; |
1438 : | backupMV.y = start_y; | ||
1439 : | edgomez | 195 | |
1440 : | Isibaar | 3 | /* It's one search with full Diamond pattern, and only 3 of 4 for all following diamonds */ |
1441 : | |||
1442 : | edgomez | 195 | CHECK_MV8_CANDIDATE_DIR(backupMV.x - iDiamondSize, backupMV.y, 1); |
1443 : | CHECK_MV8_CANDIDATE_DIR(backupMV.x + iDiamondSize, backupMV.y, 2); | ||
1444 : | CHECK_MV8_CANDIDATE_DIR(backupMV.x, backupMV.y - iDiamondSize, 3); | ||
1445 : | CHECK_MV8_CANDIDATE_DIR(backupMV.x, backupMV.y + iDiamondSize, 4); | ||
1446 : | Isibaar | 3 | |
1447 : | chl | 344 | if (iDirection) { |
1448 : | edgomez | 195 | while (!iFound) { |
1449 : | iFound = 1; | ||
1450 : | backupMV = *currMV; // since iDirection!=0, this is well defined! | ||
1451 : | chl | 344 | iDirectionBackup = iDirection; |
1452 : | edgomez | 195 | |
1453 : | chl | 344 | if (iDirectionBackup != 2) |
1454 : | edgomez | 195 | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
1455 : | backupMV.y, 1); | ||
1456 : | chl | 344 | if (iDirectionBackup != 1) |
1457 : | edgomez | 195 | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
1458 : | backupMV.y, 2); | ||
1459 : | chl | 344 | if (iDirectionBackup != 4) |
1460 : | edgomez | 195 | CHECK_MV8_CANDIDATE_FOUND(backupMV.x, |
1461 : | backupMV.y - iDiamondSize, 3); | ||
1462 : | chl | 344 | if (iDirectionBackup != 3) |
1463 : | edgomez | 195 | CHECK_MV8_CANDIDATE_FOUND(backupMV.x, |
1464 : | backupMV.y + iDiamondSize, 4); | ||
1465 : | chl | 344 | } |
1466 : | edgomez | 195 | } else { |
1467 : | chl | 326 | currMV->x = start_x; |
1468 : | currMV->y = start_y; | ||
1469 : | edgomez | 78 | } |
1470 : | Isibaar | 3 | return iMinSAD; |
1471 : | } | ||
1472 : | |||
1473 : | chl | 345 | |
1474 : | |||
1475 : | |||
1476 : | edgomez | 195 | int32_t |
1477 : | chl | 345 | Square8_MainSearch(const uint8_t * const pRef, |
1478 : | edgomez | 476 | const uint8_t * const pRefH, |
1479 : | const uint8_t * const pRefV, | ||
1480 : | const uint8_t * const pRefHV, | ||
1481 : | const uint8_t * const cur, | ||
1482 : | const int x, | ||
1483 : | const int y, | ||
1484 : | const int32_t start_x, | ||
1485 : | const int32_t start_y, | ||
1486 : | int32_t iMinSAD, | ||
1487 : | VECTOR * const currMV, | ||
1488 : | chl | 345 | const int center_x, |
1489 : | const int center_y, | ||
1490 : | edgomez | 476 | const int32_t min_dx, |
1491 : | const int32_t max_dx, | ||
1492 : | const int32_t min_dy, | ||
1493 : | const int32_t max_dy, | ||
1494 : | const int32_t iEdgedWidth, | ||
1495 : | const int32_t iDiamondSize, | ||
1496 : | const int32_t iFcode, | ||
1497 : | const int32_t iQuant, | ||
1498 : | int iFound) | ||
1499 : | chl | 345 | { |
1500 : | /* Do a square search around given starting point, return SAD of best */ | ||
1501 : | |||
1502 : | int32_t iDirection = 0; | ||
1503 : | int32_t iSAD; | ||
1504 : | VECTOR backupMV; | ||
1505 : | |||
1506 : | backupMV.x = start_x; | ||
1507 : | backupMV.y = start_y; | ||
1508 : | |||
1509 : | /* It's one search with full square pattern, and new parts for all following diamonds */ | ||
1510 : | |||
1511 : | /* new direction are extra, so 1-4 is normal diamond | ||
1512 : | 537 | ||
1513 : | 1*2 | ||
1514 : | 648 | ||
1515 : | */ | ||
1516 : | |||
1517 : | CHECK_MV8_CANDIDATE_DIR(backupMV.x - iDiamondSize, backupMV.y, 1); | ||
1518 : | CHECK_MV8_CANDIDATE_DIR(backupMV.x + iDiamondSize, backupMV.y, 2); | ||
1519 : | CHECK_MV8_CANDIDATE_DIR(backupMV.x, backupMV.y - iDiamondSize, 3); | ||
1520 : | CHECK_MV8_CANDIDATE_DIR(backupMV.x, backupMV.y + iDiamondSize, 4); | ||
1521 : | |||
1522 : | CHECK_MV8_CANDIDATE_DIR(backupMV.x - iDiamondSize, | ||
1523 : | backupMV.y - iDiamondSize, 5); | ||
1524 : | CHECK_MV8_CANDIDATE_DIR(backupMV.x - iDiamondSize, | ||
1525 : | backupMV.y + iDiamondSize, 6); | ||
1526 : | CHECK_MV8_CANDIDATE_DIR(backupMV.x + iDiamondSize, | ||
1527 : | backupMV.y - iDiamondSize, 7); | ||
1528 : | CHECK_MV8_CANDIDATE_DIR(backupMV.x + iDiamondSize, | ||
1529 : | backupMV.y + iDiamondSize, 8); | ||
1530 : | |||
1531 : | |||
1532 : | if (iDirection) { | ||
1533 : | while (!iFound) { | ||
1534 : | iFound = 1; | ||
1535 : | backupMV = *currMV; | ||
1536 : | |||
1537 : | switch (iDirection) { | ||
1538 : | case 1: | ||
1539 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, | ||
1540 : | backupMV.y, 1); | ||
1541 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, | ||
1542 : | backupMV.y - iDiamondSize, 5); | ||
1543 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, | ||
1544 : | backupMV.y - iDiamondSize, 7); | ||
1545 : | break; | ||
1546 : | case 2: | ||
1547 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, backupMV.y, | ||
1548 : | 2); | ||
1549 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, | ||
1550 : | backupMV.y + iDiamondSize, 6); | ||
1551 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, | ||
1552 : | backupMV.y + iDiamondSize, 8); | ||
1553 : | break; | ||
1554 : | |||
1555 : | case 3: | ||
1556 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x, backupMV.y + iDiamondSize, | ||
1557 : | 4); | ||
1558 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, | ||
1559 : | backupMV.y - iDiamondSize, 7); | ||
1560 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, | ||
1561 : | backupMV.y + iDiamondSize, 8); | ||
1562 : | break; | ||
1563 : | |||
1564 : | case 4: | ||
1565 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x, backupMV.y - iDiamondSize, | ||
1566 : | 3); | ||
1567 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, | ||
1568 : | backupMV.y - iDiamondSize, 5); | ||
1569 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, | ||
1570 : | backupMV.y + iDiamondSize, 6); | ||
1571 : | break; | ||
1572 : | |||
1573 : | case 5: | ||
1574 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, backupMV.y, | ||
1575 : | 1); | ||
1576 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x, backupMV.y - iDiamondSize, | ||
1577 : | 3); | ||
1578 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, | ||
1579 : | backupMV.y - iDiamondSize, 5); | ||
1580 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, | ||
1581 : | backupMV.y + iDiamondSize, 6); | ||
1582 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, | ||
1583 : | backupMV.y - iDiamondSize, 7); | ||
1584 : | break; | ||
1585 : | |||
1586 : | case 6: | ||
1587 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, backupMV.y, | ||
1588 : | 2); | ||
1589 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x, backupMV.y - iDiamondSize, | ||
1590 : | 3); | ||
1591 : | |||
1592 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, | ||
1593 : | backupMV.y - iDiamondSize, 5); | ||
1594 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, | ||
1595 : | backupMV.y + iDiamondSize, 6); | ||
1596 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, | ||
1597 : | backupMV.y + iDiamondSize, 8); | ||
1598 : | |||
1599 : | break; | ||
1600 : | |||
1601 : | case 7: | ||
1602 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, | ||
1603 : | backupMV.y, 1); | ||
1604 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x, backupMV.y + iDiamondSize, | ||
1605 : | 4); | ||
1606 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, | ||
1607 : | backupMV.y - iDiamondSize, 5); | ||
1608 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, | ||
1609 : | backupMV.y - iDiamondSize, 7); | ||
1610 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, | ||
1611 : | backupMV.y + iDiamondSize, 8); | ||
1612 : | break; | ||
1613 : | |||
1614 : | case 8: | ||
1615 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, backupMV.y, | ||
1616 : | 2); | ||
1617 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x, backupMV.y + iDiamondSize, | ||
1618 : | 4); | ||
1619 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, | ||
1620 : | backupMV.y + iDiamondSize, 6); | ||
1621 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, | ||
1622 : | backupMV.y - iDiamondSize, 7); | ||
1623 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, | ||
1624 : | backupMV.y + iDiamondSize, 8); | ||
1625 : | break; | ||
1626 : | default: | ||
1627 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, backupMV.y, | ||
1628 : | 1); | ||
1629 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, backupMV.y, | ||
1630 : | 2); | ||
1631 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x, backupMV.y - iDiamondSize, | ||
1632 : | 3); | ||
1633 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x, backupMV.y + iDiamondSize, | ||
1634 : | 4); | ||
1635 : | |||
1636 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, | ||
1637 : | backupMV.y - iDiamondSize, 5); | ||
1638 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, | ||
1639 : | backupMV.y + iDiamondSize, 6); | ||
1640 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, | ||
1641 : | backupMV.y - iDiamondSize, 7); | ||
1642 : | CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, | ||
1643 : | backupMV.y + iDiamondSize, 8); | ||
1644 : | break; | ||
1645 : | } | ||
1646 : | } | ||
1647 : | } else { | ||
1648 : | currMV->x = start_x; | ||
1649 : | currMV->y = start_y; | ||
1650 : | } | ||
1651 : | return iMinSAD; | ||
1652 : | } | ||
1653 : | |||
1654 : | |||
1655 : | |||
1656 : | |||
1657 : | |||
1658 : | int32_t | ||
1659 : | ia64p | 300 | Halfpel8_Refine_c(const uint8_t * const pRef, |
1660 : | edgomez | 476 | const uint8_t * const pRefH, |
1661 : | const uint8_t * const pRefV, | ||
1662 : | const uint8_t * const pRefHV, | ||
1663 : | const uint8_t * const cur, | ||
1664 : | const int x, | ||
1665 : | const int y, | ||
1666 : | VECTOR * const currMV, | ||
1667 : | int32_t iMinSAD, | ||
1668 : | const int center_x, | ||
1669 : | const int center_y, | ||
1670 : | const int32_t min_dx, | ||
1671 : | const int32_t max_dx, | ||
1672 : | const int32_t min_dy, | ||
1673 : | const int32_t max_dy, | ||
1674 : | const int32_t iFcode, | ||
1675 : | const int32_t iQuant, | ||
1676 : | const int32_t iEdgedWidth) | ||
1677 : | Isibaar | 3 | { |
1678 : | /* Do a half-pel refinement (or rather a "smallest possible amount" refinement) */ | ||
1679 : | |||
1680 : | int32_t iSAD; | ||
1681 : | VECTOR backupMV = *currMV; | ||
1682 : | edgomez | 195 | |
1683 : | CHECK_MV8_CANDIDATE(backupMV.x - 1, backupMV.y - 1); | ||
1684 : | CHECK_MV8_CANDIDATE(backupMV.x, backupMV.y - 1); | ||
1685 : | CHECK_MV8_CANDIDATE(backupMV.x + 1, backupMV.y - 1); | ||
1686 : | CHECK_MV8_CANDIDATE(backupMV.x - 1, backupMV.y); | ||
1687 : | CHECK_MV8_CANDIDATE(backupMV.x + 1, backupMV.y); | ||
1688 : | CHECK_MV8_CANDIDATE(backupMV.x - 1, backupMV.y + 1); | ||
1689 : | CHECK_MV8_CANDIDATE(backupMV.x, backupMV.y + 1); | ||
1690 : | CHECK_MV8_CANDIDATE(backupMV.x + 1, backupMV.y + 1); | ||
1691 : | |||
1692 : | Isibaar | 3 | return iMinSAD; |
1693 : | } | ||
1694 : | |||
1695 : | |||
1696 : | #define PMV_HALFPEL8 (PMV_HALFPELDIAMOND8|PMV_HALFPELREFINE8) | ||
1697 : | |||
1698 : | edgomez | 195 | int32_t |
1699 : | PMVfastSearch8(const uint8_t * const pRef, | ||
1700 : | const uint8_t * const pRefH, | ||
1701 : | const uint8_t * const pRefV, | ||
1702 : | const uint8_t * const pRefHV, | ||
1703 : | const IMAGE * const pCur, | ||
1704 : | const int x, | ||
1705 : | const int y, | ||
1706 : | const int start_x, | ||
1707 : | const int start_y, | ||
1708 : | chl | 326 | const int center_x, |
1709 : | const int center_y, | ||
1710 : | edgomez | 195 | const uint32_t MotionFlags, |
1711 : | const uint32_t iQuant, | ||
1712 : | const uint32_t iFcode, | ||
1713 : | const MBParam * const pParam, | ||
1714 : | const MACROBLOCK * const pMBs, | ||
1715 : | const MACROBLOCK * const prevMBs, | ||
1716 : | VECTOR * const currMV, | ||
1717 : | VECTOR * const currPMV) | ||
1718 : | Isibaar | 3 | { |
1719 : | edgomez | 195 | const uint32_t iWcount = pParam->mb_width; |
1720 : | Isibaar | 3 | const int32_t iWidth = pParam->width; |
1721 : | const int32_t iHeight = pParam->height; | ||
1722 : | edgomez | 195 | const int32_t iEdgedWidth = pParam->edged_width; |
1723 : | Isibaar | 3 | |
1724 : | edgomez | 195 | const uint8_t *cur = pCur->y + x * 8 + y * 8 * iEdgedWidth; |
1725 : | Isibaar | 3 | |
1726 : | int32_t iDiamondSize; | ||
1727 : | |||
1728 : | int32_t min_dx; | ||
1729 : | int32_t max_dx; | ||
1730 : | int32_t min_dy; | ||
1731 : | int32_t max_dy; | ||
1732 : | edgomez | 195 | |
1733 : | Isibaar | 3 | VECTOR pmv[4]; |
1734 : | int32_t psad[4]; | ||
1735 : | VECTOR newMV; | ||
1736 : | VECTOR backupMV; | ||
1737 : | edgomez | 170 | VECTOR startMV; |
1738 : | Isibaar | 3 | |
1739 : | edgomez | 195 | // const MACROBLOCK * const pMB = pMBs + (x>>1) + (y>>1) * iWcount; |
1740 : | const MACROBLOCK *const prevMB = prevMBs + (x >> 1) + (y >> 1) * iWcount; | ||
1741 : | Isibaar | 3 | |
1742 : | chl | 259 | int32_t threshA, threshB; |
1743 : | edgomez | 195 | int32_t iFound, bPredEq; |
1744 : | int32_t iMinSAD, iSAD; | ||
1745 : | Isibaar | 3 | |
1746 : | edgomez | 195 | int32_t iSubBlock = (y & 1) + (y & 1) + (x & 1); |
1747 : | |||
1748 : | chl | 181 | MainSearch8FuncPtr MainSearchPtr; |
1749 : | |||
1750 : | edgomez | 170 | /* Init variables */ |
1751 : | startMV.x = start_x; | ||
1752 : | startMV.y = start_y; | ||
1753 : | |||
1754 : | /* Get maximum range */ | ||
1755 : | edgomez | 195 | get_range(&min_dx, &max_dx, &min_dy, &max_dy, x, y, 8, iWidth, iHeight, |
1756 : | iFcode); | ||
1757 : | Isibaar | 3 | |
1758 : | edgomez | 195 | if (!(MotionFlags & PMV_HALFPELDIAMOND8)) { |
1759 : | min_dx = EVEN(min_dx); | ||
1760 : | max_dx = EVEN(max_dx); | ||
1761 : | min_dy = EVEN(min_dy); | ||
1762 : | max_dy = EVEN(max_dy); | ||
1763 : | } | ||
1764 : | Isibaar | 3 | |
1765 : | edgomez | 195 | /* because we might use IF (dx>max_dx) THEN dx=max_dx; */ |
1766 : | chl | 285 | bPredEq = get_pmvdata2(pMBs, iWcount, 0, (x >> 1), (y >> 1), iSubBlock, pmv, psad); |
1767 : | Isibaar | 3 | |
1768 : | edgomez | 195 | if ((x == 0) && (y == 0)) { |
1769 : | threshA = 512 / 4; | ||
1770 : | threshB = 1024 / 4; | ||
1771 : | |||
1772 : | } else { | ||
1773 : | chl | 326 | threshA = psad[0] / 4; /* good estimate? */ |
1774 : | edgomez | 195 | threshB = threshA + 256 / 4; |
1775 : | if (threshA < 512 / 4) | ||
1776 : | threshA = 512 / 4; | ||
1777 : | if (threshA > 1024 / 4) | ||
1778 : | threshA = 1024 / 4; | ||
1779 : | if (threshB > 1792 / 4) | ||
1780 : | threshB = 1792 / 4; | ||
1781 : | Isibaar | 3 | } |
1782 : | |||
1783 : | edgomez | 195 | iFound = 0; |
1784 : | |||
1785 : | Isibaar | 3 | /* Step 4: Calculate SAD around the Median prediction. |
1786 : | edgomez | 78 | MinSAD=SAD |
1787 : | If Motion Vector equal to Previous frame motion vector | ||
1788 : | and MinSAD<PrevFrmSAD goto Step 10. | ||
1789 : | If SAD<=256 goto Step 10. | ||
1790 : | edgomez | 195 | */ |
1791 : | Isibaar | 3 | |
1792 : | |||
1793 : | // Prepare for main loop | ||
1794 : | |||
1795 : | chl | 345 | if (MotionFlags & PMV_USESQUARES8) |
1796 : | MainSearchPtr = Square8_MainSearch; | ||
1797 : | else | ||
1798 : | chl | 181 | |
1799 : | if (MotionFlags & PMV_ADVANCEDDIAMOND8) | ||
1800 : | MainSearchPtr = AdvDiamond8_MainSearch; | ||
1801 : | else | ||
1802 : | MainSearchPtr = Diamond8_MainSearch; | ||
1803 : | |||
1804 : | |||
1805 : | chl | 169 | *currMV = startMV; |
1806 : | edgomez | 195 | |
1807 : | iMinSAD = | ||
1808 : | sad8(cur, | ||
1809 : | get_ref_mv(pRef, pRefH, pRefV, pRefHV, x, y, 8, currMV, | ||
1810 : | iEdgedWidth), iEdgedWidth); | ||
1811 : | iMinSAD += | ||
1812 : | chl | 326 | calc_delta_8(currMV->x - center_x, currMV->y - center_y, |
1813 : | edgomez | 195 | (uint8_t) iFcode, iQuant); |
1814 : | |||
1815 : | if ((iMinSAD < 256 / 4) || ((MVequal(*currMV, prevMB->mvs[iSubBlock])) | ||
1816 : | chl | 289 | && ((int32_t) iMinSAD < |
1817 : | edgomez | 195 | prevMB->sad8[iSubBlock]))) { |
1818 : | if (MotionFlags & PMV_QUICKSTOP16) | ||
1819 : | chl | 96 | goto PMVfast8_Terminate_without_Refine; |
1820 : | if (MotionFlags & PMV_EARLYSTOP16) | ||
1821 : | goto PMVfast8_Terminate_with_Refine; | ||
1822 : | edgomez | 78 | } |
1823 : | Isibaar | 3 | |
1824 : | chl | 169 | /* Step 2 (lazy eval): Calculate Distance= |MedianMVX| + |MedianMVY| where MedianMV is the motion |
1825 : | vector of the median. | ||
1826 : | If PredEq=1 and MVpredicted = Previous Frame MV, set Found=2 | ||
1827 : | */ | ||
1828 : | chl | 96 | |
1829 : | edgomez | 195 | if ((bPredEq) && (MVequal(pmv[0], prevMB->mvs[iSubBlock]))) |
1830 : | iFound = 2; | ||
1831 : | chl | 169 | |
1832 : | /* Step 3 (lazy eval): If Distance>0 or thresb<1536 or PredEq=1 Select small Diamond Search. | ||
1833 : | Otherwise select large Diamond Search. | ||
1834 : | */ | ||
1835 : | |||
1836 : | edgomez | 195 | if ((!MVzero(pmv[0])) || (threshB < 1536 / 4) || (bPredEq)) |
1837 : | iDiamondSize = 1; // 1 halfpel! | ||
1838 : | chl | 169 | else |
1839 : | edgomez | 195 | iDiamondSize = 2; // 2 halfpel = 1 full pixel! |
1840 : | chl | 169 | |
1841 : | edgomez | 195 | if (!(MotionFlags & PMV_HALFPELDIAMOND8)) |
1842 : | iDiamondSize *= 2; | ||
1843 : | chl | 169 | |
1844 : | |||
1845 : | Isibaar | 3 | /* |
1846 : | edgomez | 78 | Step 5: Calculate SAD for motion vectors taken from left block, top, top-right, and Previous frame block. |
1847 : | Also calculate (0,0) but do not subtract offset. | ||
1848 : | Let MinSAD be the smallest SAD up to this point. | ||
1849 : | chl | 140 | If MV is (0,0) subtract offset. |
1850 : | Isibaar | 3 | */ |
1851 : | |||
1852 : | chl | 169 | // the median prediction might be even better than mv16 |
1853 : | Isibaar | 3 | |
1854 : | edgomez | 195 | if (!MVequal(pmv[0], startMV)) |
1855 : | chl | 326 | CHECK_MV8_CANDIDATE(center_x, center_y); |
1856 : | chl | 169 | |
1857 : | // (0,0) if needed | ||
1858 : | if (!MVzero(pmv[0])) | ||
1859 : | edgomez | 195 | if (!MVzero(startMV)) |
1860 : | CHECK_MV8_ZERO; | ||
1861 : | Isibaar | 3 | |
1862 : | chl | 169 | // previous frame MV if needed |
1863 : | if (!MVzero(prevMB->mvs[iSubBlock])) | ||
1864 : | edgomez | 195 | if (!MVequal(prevMB->mvs[iSubBlock], startMV)) |
1865 : | if (!MVequal(prevMB->mvs[iSubBlock], pmv[0])) | ||
1866 : | CHECK_MV8_CANDIDATE(prevMB->mvs[iSubBlock].x, | ||
1867 : | prevMB->mvs[iSubBlock].y); | ||
1868 : | chl | 169 | |
1869 : | edgomez | 195 | if ((iMinSAD <= threshA) || |
1870 : | (MVequal(*currMV, prevMB->mvs[iSubBlock]) && | ||
1871 : | chl | 289 | ((int32_t) iMinSAD < prevMB->sad8[iSubBlock]))) { |
1872 : | edgomez | 195 | if (MotionFlags & PMV_QUICKSTOP16) |
1873 : | chl | 169 | goto PMVfast8_Terminate_without_Refine; |
1874 : | if (MotionFlags & PMV_EARLYSTOP16) | ||
1875 : | goto PMVfast8_Terminate_with_Refine; | ||
1876 : | } | ||
1877 : | |||
1878 : | // left neighbour, if allowed and needed | ||
1879 : | if (!MVzero(pmv[1])) | ||
1880 : | edgomez | 195 | if (!MVequal(pmv[1], startMV)) |
1881 : | if (!MVequal(pmv[1], prevMB->mvs[iSubBlock])) | ||
1882 : | if (!MVequal(pmv[1], pmv[0])) { | ||
1883 : | if (!(MotionFlags & PMV_HALFPEL8)) { | ||
1884 : | pmv[1].x = EVEN(pmv[1].x); | ||
1885 : | pmv[1].y = EVEN(pmv[1].y); | ||
1886 : | } | ||
1887 : | CHECK_MV8_CANDIDATE(pmv[1].x, pmv[1].y); | ||
1888 : | } | ||
1889 : | chl | 169 | // top neighbour, if allowed and needed |
1890 : | if (!MVzero(pmv[2])) | ||
1891 : | edgomez | 195 | if (!MVequal(pmv[2], startMV)) |
1892 : | if (!MVequal(pmv[2], prevMB->mvs[iSubBlock])) | ||
1893 : | if (!MVequal(pmv[2], pmv[0])) | ||
1894 : | if (!MVequal(pmv[2], pmv[1])) { | ||
1895 : | if (!(MotionFlags & PMV_HALFPEL8)) { | ||
1896 : | pmv[2].x = EVEN(pmv[2].x); | ||
1897 : | pmv[2].y = EVEN(pmv[2].y); | ||
1898 : | } | ||
1899 : | CHECK_MV8_CANDIDATE(pmv[2].x, pmv[2].y); | ||
1900 : | |||
1901 : | chl | 169 | // top right neighbour, if allowed and needed |
1902 : | edgomez | 195 | if (!MVzero(pmv[3])) |
1903 : | if (!MVequal(pmv[3], startMV)) | ||
1904 : | if (!MVequal(pmv[3], prevMB->mvs[iSubBlock])) | ||
1905 : | if (!MVequal(pmv[3], pmv[0])) | ||
1906 : | if (!MVequal(pmv[3], pmv[1])) | ||
1907 : | if (!MVequal(pmv[3], pmv[2])) { | ||
1908 : | if (! | ||
1909 : | (MotionFlags & | ||
1910 : | PMV_HALFPEL8)) { | ||
1911 : | pmv[3].x = EVEN(pmv[3].x); | ||
1912 : | pmv[3].y = EVEN(pmv[3].y); | ||
1913 : | } | ||
1914 : | CHECK_MV8_CANDIDATE(pmv[3].x, | ||
1915 : | pmv[3].y); | ||
1916 : | } | ||
1917 : | } | ||
1918 : | Isibaar | 3 | |
1919 : | edgomez | 195 | if ((MVzero(*currMV)) && |
1920 : | (!MVzero(pmv[0])) /* && (iMinSAD <= iQuant * 96) */ ) | ||
1921 : | chl | 140 | iMinSAD -= MV8_00_BIAS; |
1922 : | |||
1923 : | |||
1924 : | Isibaar | 3 | /* Step 6: If MinSAD <= thresa goto Step 10. |
1925 : | If Motion Vector equal to Previous frame motion vector and MinSAD<PrevFrmSAD goto Step 10. | ||
1926 : | */ | ||
1927 : | |||
1928 : | edgomez | 195 | if ((iMinSAD <= threshA) || |
1929 : | (MVequal(*currMV, prevMB->mvs[iSubBlock]) && | ||
1930 : | chl | 289 | ((int32_t) iMinSAD < prevMB->sad8[iSubBlock]))) { |
1931 : | edgomez | 195 | if (MotionFlags & PMV_QUICKSTOP16) |
1932 : | chl | 96 | goto PMVfast8_Terminate_without_Refine; |
1933 : | if (MotionFlags & PMV_EARLYSTOP16) | ||
1934 : | goto PMVfast8_Terminate_with_Refine; | ||
1935 : | edgomez | 78 | } |
1936 : | Isibaar | 3 | |
1937 : | /************ (Diamond Search) **************/ | ||
1938 : | /* | ||
1939 : | edgomez | 78 | Step 7: Perform Diamond search, with either the small or large diamond. |
1940 : | If Found=2 only examine one Diamond pattern, and afterwards goto step 10 | ||
1941 : | Step 8: If small diamond, iterate small diamond search pattern until motion vector lies in the center of the diamond. | ||
1942 : | If center then goto step 10. | ||
1943 : | Step 9: If large diamond, iterate large diamond search pattern until motion vector lies in the center. | ||
1944 : | Refine by using small diamond and goto step 10. | ||
1945 : | Isibaar | 3 | */ |
1946 : | |||
1947 : | edgomez | 195 | backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
1948 : | Isibaar | 3 | |
1949 : | /* default: use best prediction as starting point for one call of PMVfast_MainSearch */ | ||
1950 : | edgomez | 195 | iSAD = |
1951 : | (*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV->x, | ||
1952 : | chl | 326 | currMV->y, iMinSAD, &newMV, center_x, center_y, min_dx, max_dx, |
1953 : | edgomez | 195 | min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, |
1954 : | iQuant, iFound); | ||
1955 : | |||
1956 : | if (iSAD < iMinSAD) { | ||
1957 : | Isibaar | 3 | *currMV = newMV; |
1958 : | iMinSAD = iSAD; | ||
1959 : | } | ||
1960 : | |||
1961 : | edgomez | 195 | if (MotionFlags & PMV_EXTSEARCH8) { |
1962 : | Isibaar | 3 | /* extended: search (up to) two more times: orignal prediction and (0,0) */ |
1963 : | |||
1964 : | edgomez | 195 | if (!(MVequal(pmv[0], backupMV))) { |
1965 : | iSAD = | ||
1966 : | (*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, | ||
1967 : | chl | 326 | pmv[0].x, pmv[0].y, iMinSAD, &newMV, center_x, center_y, |
1968 : | edgomez | 195 | min_dx, max_dx, min_dy, max_dy, iEdgedWidth, |
1969 : | iDiamondSize, iFcode, iQuant, iFound); | ||
1970 : | |||
1971 : | if (iSAD < iMinSAD) { | ||
1972 : | *currMV = newMV; | ||
1973 : | iMinSAD = iSAD; | ||
1974 : | } | ||
1975 : | Isibaar | 3 | } |
1976 : | |||
1977 : | edgomez | 195 | if ((!(MVzero(pmv[0]))) && (!(MVzero(backupMV)))) { |
1978 : | iSAD = | ||
1979 : | (*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, 0, 0, | ||
1980 : | chl | 326 | iMinSAD, &newMV, center_x, center_y, min_dx, max_dx, min_dy, |
1981 : | edgomez | 195 | max_dy, iEdgedWidth, iDiamondSize, iFcode, |
1982 : | iQuant, iFound); | ||
1983 : | |||
1984 : | if (iSAD < iMinSAD) { | ||
1985 : | *currMV = newMV; | ||
1986 : | iMinSAD = iSAD; | ||
1987 : | } | ||
1988 : | Isibaar | 3 | } |
1989 : | } | ||
1990 : | |||
1991 : | /* Step 10: The motion vector is chosen according to the block corresponding to MinSAD. | ||
1992 : | edgomez | 78 | By performing an optional local half-pixel search, we can refine this result even further. |
1993 : | Isibaar | 3 | */ |
1994 : | |||
1995 : | edgomez | 195 | PMVfast8_Terminate_with_Refine: |
1996 : | if (MotionFlags & PMV_HALFPELREFINE8) // perform final half-pel step | ||
1997 : | iMinSAD = | ||
1998 : | Halfpel8_Refine(pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV, | ||
1999 : | chl | 326 | iMinSAD, center_x, center_y, min_dx, max_dx, min_dy, max_dy, |
2000 : | edgomez | 195 | iFcode, iQuant, iEdgedWidth); |
2001 : | Isibaar | 3 | |
2002 : | edgomez | 195 | |
2003 : | PMVfast8_Terminate_without_Refine: | ||
2004 : | chl | 326 | currPMV->x = currMV->x - center_x; |
2005 : | currPMV->y = currMV->y - center_y; | ||
2006 : | edgomez | 195 | |
2007 : | Isibaar | 3 | return iMinSAD; |
2008 : | } | ||
2009 : | chl | 96 | |
2010 : | edgomez | 195 | int32_t |
2011 : | EPZSSearch16(const uint8_t * const pRef, | ||
2012 : | const uint8_t * const pRefH, | ||
2013 : | const uint8_t * const pRefV, | ||
2014 : | const uint8_t * const pRefHV, | ||
2015 : | const IMAGE * const pCur, | ||
2016 : | const int x, | ||
2017 : | const int y, | ||
2018 : | chl | 326 | const int start_x, |
2019 : | const int start_y, | ||
2020 : | const int center_x, | ||
2021 : | const int center_y, | ||
2022 : | edgomez | 195 | const uint32_t MotionFlags, |
2023 : | const uint32_t iQuant, | ||
2024 : | const uint32_t iFcode, | ||
2025 : | const MBParam * const pParam, | ||
2026 : | const MACROBLOCK * const pMBs, | ||
2027 : | const MACROBLOCK * const prevMBs, | ||
2028 : | VECTOR * const currMV, | ||
2029 : | VECTOR * const currPMV) | ||
2030 : | chl | 96 | { |
2031 : | edgomez | 195 | const uint32_t iWcount = pParam->mb_width; |
2032 : | const uint32_t iHcount = pParam->mb_height; | ||
2033 : | chl | 96 | |
2034 : | const int32_t iWidth = pParam->width; | ||
2035 : | const int32_t iHeight = pParam->height; | ||
2036 : | edgomez | 195 | const int32_t iEdgedWidth = pParam->edged_width; |
2037 : | chl | 96 | |
2038 : | edgomez | 195 | const uint8_t *cur = pCur->y + x * 16 + y * 16 * iEdgedWidth; |
2039 : | chl | 96 | |
2040 : | int32_t min_dx; | ||
2041 : | int32_t max_dx; | ||
2042 : | int32_t min_dy; | ||
2043 : | int32_t max_dy; | ||
2044 : | edgomez | 195 | |
2045 : | chl | 96 | VECTOR newMV; |
2046 : | VECTOR backupMV; | ||
2047 : | edgomez | 195 | |
2048 : | chl | 96 | VECTOR pmv[4]; |
2049 : | int32_t psad[8]; | ||
2050 : | |||
2051 : | edgomez | 195 | static MACROBLOCK *oldMBs = NULL; |
2052 : | |||
2053 : | // const MACROBLOCK * const pMB = pMBs + x + y * iWcount; | ||
2054 : | const MACROBLOCK *const prevMB = prevMBs + x + y * iWcount; | ||
2055 : | MACROBLOCK *oldMB = NULL; | ||
2056 : | |||
2057 : | chl | 259 | int32_t thresh2; |
2058 : | edgomez | 195 | int32_t bPredEq; |
2059 : | int32_t iMinSAD, iSAD = 9999; | ||
2060 : | chl | 96 | |
2061 : | chl | 181 | MainSearch16FuncPtr MainSearchPtr; |
2062 : | chl | 96 | |
2063 : | edgomez | 195 | if (oldMBs == NULL) { |
2064 : | oldMBs = (MACROBLOCK *) calloc(iWcount * iHcount, sizeof(MACROBLOCK)); | ||
2065 : | // fprintf(stderr,"allocated %d bytes for oldMBs\n",iWcount*iHcount*sizeof(MACROBLOCK)); | ||
2066 : | chl | 96 | } |
2067 : | oldMB = oldMBs + x + y * iWcount; | ||
2068 : | |||
2069 : | /* Get maximum range */ | ||
2070 : | edgomez | 195 | get_range(&min_dx, &max_dx, &min_dy, &max_dy, x, y, 16, iWidth, iHeight, |
2071 : | iFcode); | ||
2072 : | chl | 96 | |
2073 : | edgomez | 195 | if (!(MotionFlags & PMV_HALFPEL16)) { |
2074 : | min_dx = EVEN(min_dx); | ||
2075 : | max_dx = EVEN(max_dx); | ||
2076 : | min_dy = EVEN(min_dy); | ||
2077 : | max_dy = EVEN(max_dy); | ||
2078 : | } | ||
2079 : | /* because we might use something like IF (dx>max_dx) THEN dx=max_dx; */ | ||
2080 : | chl | 285 | bPredEq = get_pmvdata2(pMBs, iWcount, 0, x, y, 0, pmv, psad); |
2081 : | chl | 96 | |
2082 : | /* Step 4: Calculate SAD around the Median prediction. | ||
2083 : | MinSAD=SAD | ||
2084 : | If Motion Vector equal to Previous frame motion vector | ||
2085 : | and MinSAD<PrevFrmSAD goto Step 10. | ||
2086 : | If SAD<=256 goto Step 10. | ||
2087 : | edgomez | 195 | */ |
2088 : | chl | 96 | |
2089 : | // Prepare for main loop | ||
2090 : | |||
2091 : | chl | 326 | currMV->x = start_x; |
2092 : | currMV->y = start_y; | ||
2093 : | |||
2094 : | edgomez | 195 | if (!(MotionFlags & PMV_HALFPEL16)) { |
2095 : | chl | 96 | currMV->x = EVEN(currMV->x); |
2096 : | currMV->y = EVEN(currMV->y); | ||
2097 : | } | ||
2098 : | |||
2099 : | edgomez | 195 | if (currMV->x > max_dx) |
2100 : | currMV->x = max_dx; | ||
2101 : | if (currMV->x < min_dx) | ||
2102 : | currMV->x = min_dx; | ||
2103 : | if (currMV->y > max_dy) | ||
2104 : | currMV->y = max_dy; | ||
2105 : | if (currMV->y < min_dy) | ||
2106 : | currMV->y = min_dy; | ||
2107 : | |||
2108 : | /***************** This is predictor SET A: only median prediction ******************/ | ||
2109 : | |||
2110 : | iMinSAD = | ||
2111 : | sad16(cur, | ||
2112 : | get_ref_mv(pRef, pRefH, pRefV, pRefHV, x, y, 16, currMV, | ||
2113 : | iEdgedWidth), iEdgedWidth, MV_MAX_ERROR); | ||
2114 : | iMinSAD += | ||
2115 : | chl | 326 | calc_delta_16(currMV->x - center_x, currMV->y - center_y, |
2116 : | edgomez | 195 | (uint8_t) iFcode, iQuant); |
2117 : | |||
2118 : | chl | 96 | // thresh1 is fixed to 256 |
2119 : | edgomez | 195 | if ((iMinSAD < 256) || |
2120 : | ((MVequal(*currMV, prevMB->mvs[0])) && | ||
2121 : | chl | 289 | ((int32_t) iMinSAD < prevMB->sad16))) { |
2122 : | edgomez | 195 | if (MotionFlags & PMV_QUICKSTOP16) |
2123 : | goto EPZS16_Terminate_without_Refine; | ||
2124 : | if (MotionFlags & PMV_EARLYSTOP16) | ||
2125 : | goto EPZS16_Terminate_with_Refine; | ||
2126 : | } | ||
2127 : | chl | 96 | |
2128 : | edgomez | 195 | /************** This is predictor SET B: (0,0), prev.frame MV, neighbours **************/ |
2129 : | chl | 96 | |
2130 : | // previous frame MV | ||
2131 : | edgomez | 195 | CHECK_MV16_CANDIDATE(prevMB->mvs[0].x, prevMB->mvs[0].y); |
2132 : | chl | 96 | |
2133 : | // set threshhold based on Min of Prediction and SAD of collocated block | ||
2134 : | // CHECK_MV16 always uses iSAD for the SAD of last vector to check, so now iSAD is what we want | ||
2135 : | |||
2136 : | edgomez | 195 | if ((x == 0) && (y == 0)) { |
2137 : | thresh2 = 512; | ||
2138 : | } else { | ||
2139 : | chl | 96 | /* T_k = 1.2 * MIN(SAD_top,SAD_left,SAD_topleft,SAD_coll) +128; [Tourapis, 2002] */ |
2140 : | |||
2141 : | edgomez | 195 | thresh2 = MIN(psad[0], iSAD) * 6 / 5 + 128; |
2142 : | chl | 96 | } |
2143 : | |||
2144 : | // MV=(0,0) is often a good choice | ||
2145 : | |||
2146 : | CHECK_MV16_ZERO; | ||
2147 : | |||
2148 : | edgomez | 195 | |
2149 : | chl | 96 | // left neighbour, if allowed |
2150 : | edgomez | 195 | if (x != 0) { |
2151 : | if (!(MotionFlags & PMV_HALFPEL16)) { | ||
2152 : | pmv[1].x = EVEN(pmv[1].x); | ||
2153 : | chl | 96 | pmv[1].y = EVEN(pmv[1].y); |
2154 : | } | ||
2155 : | edgomez | 195 | CHECK_MV16_CANDIDATE(pmv[1].x, pmv[1].y); |
2156 : | chl | 96 | } |
2157 : | // top neighbour, if allowed | ||
2158 : | edgomez | 195 | if (y != 0) { |
2159 : | if (!(MotionFlags & PMV_HALFPEL16)) { | ||
2160 : | pmv[2].x = EVEN(pmv[2].x); | ||
2161 : | chl | 96 | pmv[2].y = EVEN(pmv[2].y); |
2162 : | } | ||
2163 : | edgomez | 195 | CHECK_MV16_CANDIDATE(pmv[2].x, pmv[2].y); |
2164 : | |||
2165 : | chl | 96 | // top right neighbour, if allowed |
2166 : | edgomez | 195 | if ((uint32_t) x != (iWcount - 1)) { |
2167 : | if (!(MotionFlags & PMV_HALFPEL16)) { | ||
2168 : | pmv[3].x = EVEN(pmv[3].x); | ||
2169 : | chl | 96 | pmv[3].y = EVEN(pmv[3].y); |
2170 : | } | ||
2171 : | edgomez | 195 | CHECK_MV16_CANDIDATE(pmv[3].x, pmv[3].y); |
2172 : | chl | 96 | } |
2173 : | } | ||
2174 : | |||
2175 : | /* Terminate if MinSAD <= T_2 | ||
2176 : | Terminate if MV[t] == MV[t-1] and MinSAD[t] <= MinSAD[t-1] | ||
2177 : | */ | ||
2178 : | |||
2179 : | edgomez | 195 | if ((iMinSAD <= thresh2) |
2180 : | || (MVequal(*currMV, prevMB->mvs[0]) && | ||
2181 : | chl | 289 | ((int32_t) iMinSAD <= prevMB->sad16))) { |
2182 : | edgomez | 195 | if (MotionFlags & PMV_QUICKSTOP16) |
2183 : | goto EPZS16_Terminate_without_Refine; | ||
2184 : | if (MotionFlags & PMV_EARLYSTOP16) | ||
2185 : | goto EPZS16_Terminate_with_Refine; | ||
2186 : | } | ||
2187 : | chl | 96 | |
2188 : | /***** predictor SET C: acceleration MV (new!), neighbours in prev. frame(new!) ****/ | ||
2189 : | |||
2190 : | edgomez | 195 | backupMV = prevMB->mvs[0]; // collocated MV |
2191 : | backupMV.x += (prevMB->mvs[0].x - oldMB->mvs[0].x); // acceleration X | ||
2192 : | backupMV.y += (prevMB->mvs[0].y - oldMB->mvs[0].y); // acceleration Y | ||
2193 : | chl | 96 | |
2194 : | edgomez | 195 | CHECK_MV16_CANDIDATE(backupMV.x, backupMV.y); |
2195 : | chl | 96 | |
2196 : | // left neighbour | ||
2197 : | edgomez | 195 | if (x != 0) |
2198 : | CHECK_MV16_CANDIDATE((prevMB - 1)->mvs[0].x, (prevMB - 1)->mvs[0].y); | ||
2199 : | chl | 96 | |
2200 : | // top neighbour | ||
2201 : | if (y != 0) | ||
2202 : | edgomez | 195 | CHECK_MV16_CANDIDATE((prevMB - iWcount)->mvs[0].x, |
2203 : | (prevMB - iWcount)->mvs[0].y); | ||
2204 : | chl | 96 | |
2205 : | // right neighbour, if allowed (this value is not written yet, so take it from pMB->mvs | ||
2206 : | |||
2207 : | edgomez | 195 | if ((uint32_t) x != iWcount - 1) |
2208 : | CHECK_MV16_CANDIDATE((prevMB + 1)->mvs[0].x, (prevMB + 1)->mvs[0].y); | ||
2209 : | chl | 96 | |
2210 : | // bottom neighbour, dito | ||
2211 : | edgomez | 195 | if ((uint32_t) y != iHcount - 1) |
2212 : | CHECK_MV16_CANDIDATE((prevMB + iWcount)->mvs[0].x, | ||
2213 : | (prevMB + iWcount)->mvs[0].y); | ||
2214 : | chl | 96 | |
2215 : | /* Terminate if MinSAD <= T_3 (here T_3 = T_2) */ | ||
2216 : | edgomez | 195 | if (iMinSAD <= thresh2) { |
2217 : | if (MotionFlags & PMV_QUICKSTOP16) | ||
2218 : | goto EPZS16_Terminate_without_Refine; | ||
2219 : | if (MotionFlags & PMV_EARLYSTOP16) | ||
2220 : | goto EPZS16_Terminate_with_Refine; | ||
2221 : | } | ||
2222 : | chl | 96 | |
2223 : | /************ (if Diamond Search) **************/ | ||
2224 : | |||
2225 : | edgomez | 195 | backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
2226 : | chl | 96 | |
2227 : | chl | 261 | if (MotionFlags & PMV_USESQUARES16) |
2228 : | chl | 184 | MainSearchPtr = Square16_MainSearch; |
2229 : | else | ||
2230 : | chl | 261 | if (MotionFlags & PMV_ADVANCEDDIAMOND16) |
2231 : | chl | 184 | MainSearchPtr = AdvDiamond16_MainSearch; |
2232 : | else | ||
2233 : | MainSearchPtr = Diamond16_MainSearch; | ||
2234 : | |||
2235 : | chl | 96 | /* default: use best prediction as starting point for one call of PMVfast_MainSearch */ |
2236 : | |||
2237 : | edgomez | 195 | iSAD = |
2238 : | (*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV->x, | ||
2239 : | chl | 326 | currMV->y, iMinSAD, &newMV, center_x, center_y, min_dx, max_dx, |
2240 : | edgomez | 195 | min_dy, max_dy, iEdgedWidth, 2, iFcode, iQuant, 0); |
2241 : | |||
2242 : | if (iSAD < iMinSAD) { | ||
2243 : | chl | 96 | *currMV = newMV; |
2244 : | iMinSAD = iSAD; | ||
2245 : | } | ||
2246 : | |||
2247 : | |||
2248 : | edgomez | 195 | if (MotionFlags & PMV_EXTSEARCH16) { |
2249 : | chl | 96 | /* extended mode: search (up to) two more times: orignal prediction and (0,0) */ |
2250 : | |||
2251 : | edgomez | 195 | if (!(MVequal(pmv[0], backupMV))) { |
2252 : | iSAD = | ||
2253 : | (*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, | ||
2254 : | chl | 326 | pmv[0].x, pmv[0].y, iMinSAD, &newMV, center_x, center_y, |
2255 : | edgomez | 195 | min_dx, max_dx, min_dy, max_dy, iEdgedWidth, |
2256 : | 2, iFcode, iQuant, 0); | ||
2257 : | chl | 96 | } |
2258 : | edgomez | 195 | |
2259 : | if (iSAD < iMinSAD) { | ||
2260 : | chl | 96 | *currMV = newMV; |
2261 : | iMinSAD = iSAD; | ||
2262 : | } | ||
2263 : | edgomez | 195 | |
2264 : | if ((!(MVzero(pmv[0]))) && (!(MVzero(backupMV)))) { | ||
2265 : | iSAD = | ||
2266 : | (*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, 0, 0, | ||
2267 : | chl | 326 | iMinSAD, &newMV, center_x, center_y, min_dx, max_dx, min_dy, |
2268 : | edgomez | 195 | max_dy, iEdgedWidth, 2, iFcode, iQuant, 0); |
2269 : | |||
2270 : | if (iSAD < iMinSAD) { | ||
2271 : | chl | 96 | *currMV = newMV; |
2272 : | iMinSAD = iSAD; | ||
2273 : | } | ||
2274 : | } | ||
2275 : | } | ||
2276 : | |||
2277 : | /*************** Choose best MV found **************/ | ||
2278 : | |||
2279 : | edgomez | 195 | EPZS16_Terminate_with_Refine: |
2280 : | if (MotionFlags & PMV_HALFPELREFINE16) // perform final half-pel step | ||
2281 : | iMinSAD = | ||
2282 : | Halfpel16_Refine(pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV, | ||
2283 : | chl | 326 | iMinSAD, center_x, center_y, min_dx, max_dx, min_dy, max_dy, |
2284 : | edgomez | 195 | iFcode, iQuant, iEdgedWidth); |
2285 : | chl | 96 | |
2286 : | edgomez | 195 | EPZS16_Terminate_without_Refine: |
2287 : | chl | 96 | |
2288 : | chl | 141 | *oldMB = *prevMB; |
2289 : | edgomez | 195 | |
2290 : | chl | 326 | currPMV->x = currMV->x - center_x; |
2291 : | currPMV->y = currMV->y - center_y; | ||
2292 : | chl | 96 | return iMinSAD; |
2293 : | } | ||
2294 : | |||
2295 : | |||
2296 : | edgomez | 195 | int32_t |
2297 : | EPZSSearch8(const uint8_t * const pRef, | ||
2298 : | const uint8_t * const pRefH, | ||
2299 : | const uint8_t * const pRefV, | ||
2300 : | const uint8_t * const pRefHV, | ||
2301 : | const IMAGE * const pCur, | ||
2302 : | const int x, | ||
2303 : | const int y, | ||
2304 : | const int start_x, | ||
2305 : | const int start_y, | ||
2306 : | chl | 326 | const int center_x, |
2307 : | const int center_y, | ||
2308 : | edgomez | 195 | const uint32_t MotionFlags, |
2309 : | const uint32_t iQuant, | ||
2310 : | const uint32_t iFcode, | ||
2311 : | const MBParam * const pParam, | ||
2312 : | const MACROBLOCK * const pMBs, | ||
2313 : | const MACROBLOCK * const prevMBs, | ||
2314 : | VECTOR * const currMV, | ||
2315 : | VECTOR * const currPMV) | ||
2316 : | chl | 96 | { |
2317 : | chl | 141 | /* Please not that EPZS might not be a good choice for 8x8-block motion search ! */ |
2318 : | |||
2319 : | const uint32_t iWcount = pParam->mb_width; | ||
2320 : | chl | 96 | const int32_t iWidth = pParam->width; |
2321 : | const int32_t iHeight = pParam->height; | ||
2322 : | edgomez | 195 | const int32_t iEdgedWidth = pParam->edged_width; |
2323 : | chl | 96 | |
2324 : | edgomez | 195 | const uint8_t *cur = pCur->y + x * 8 + y * 8 * iEdgedWidth; |
2325 : | chl | 96 | |
2326 : | edgomez | 195 | int32_t iDiamondSize = 1; |
2327 : | |||
2328 : | chl | 96 | int32_t min_dx; |
2329 : | int32_t max_dx; | ||
2330 : | int32_t min_dy; | ||
2331 : | int32_t max_dy; | ||
2332 : | edgomez | 195 | |
2333 : | chl | 96 | VECTOR newMV; |
2334 : | VECTOR backupMV; | ||
2335 : | edgomez | 195 | |
2336 : | chl | 96 | VECTOR pmv[4]; |
2337 : | int32_t psad[8]; | ||
2338 : | |||
2339 : | edgomez | 195 | const int32_t iSubBlock = ((y & 1) << 1) + (x & 1); |
2340 : | chl | 96 | |
2341 : | edgomez | 195 | // const MACROBLOCK * const pMB = pMBs + (x>>1) + (y>>1) * iWcount; |
2342 : | const MACROBLOCK *const prevMB = prevMBs + (x >> 1) + (y >> 1) * iWcount; | ||
2343 : | chl | 96 | |
2344 : | edgomez | 195 | int32_t bPredEq; |
2345 : | int32_t iMinSAD, iSAD = 9999; | ||
2346 : | |||
2347 : | chl | 181 | MainSearch8FuncPtr MainSearchPtr; |
2348 : | chl | 96 | |
2349 : | /* Get maximum range */ | ||
2350 : | edgomez | 195 | get_range(&min_dx, &max_dx, &min_dy, &max_dy, x, y, 8, iWidth, iHeight, |
2351 : | iFcode); | ||
2352 : | chl | 96 | |
2353 : | /* we work with abs. MVs, not relative to prediction, so get_range is called relative to 0,0 */ | ||
2354 : | |||
2355 : | edgomez | 195 | if (!(MotionFlags & PMV_HALFPEL8)) { |
2356 : | min_dx = EVEN(min_dx); | ||
2357 : | max_dx = EVEN(max_dx); | ||
2358 : | min_dy = EVEN(min_dy); | ||
2359 : | max_dy = EVEN(max_dy); | ||
2360 : | } | ||
2361 : | /* because we might use something like IF (dx>max_dx) THEN dx=max_dx; */ | ||
2362 : | chl | 285 | bPredEq = get_pmvdata2(pMBs, iWcount, 0, x >> 1, y >> 1, iSubBlock, pmv, psad); |
2363 : | chl | 96 | |
2364 : | |||
2365 : | /* Step 4: Calculate SAD around the Median prediction. | ||
2366 : | MinSAD=SAD | ||
2367 : | If Motion Vector equal to Previous frame motion vector | ||
2368 : | and MinSAD<PrevFrmSAD goto Step 10. | ||
2369 : | If SAD<=256 goto Step 10. | ||
2370 : | */ | ||
2371 : | |||
2372 : | // Prepare for main loop | ||
2373 : | |||
2374 : | edgomez | 195 | |
2375 : | if (!(MotionFlags & PMV_HALFPEL8)) { | ||
2376 : | chl | 96 | currMV->x = EVEN(currMV->x); |
2377 : | currMV->y = EVEN(currMV->y); | ||
2378 : | } | ||
2379 : | |||
2380 : | edgomez | 195 | if (currMV->x > max_dx) |
2381 : | currMV->x = max_dx; | ||
2382 : | if (currMV->x < min_dx) | ||
2383 : | currMV->x = min_dx; | ||
2384 : | if (currMV->y > max_dy) | ||
2385 : | currMV->y = max_dy; | ||
2386 : | if (currMV->y < min_dy) | ||
2387 : | currMV->y = min_dy; | ||
2388 : | chl | 96 | |
2389 : | edgomez | 195 | /***************** This is predictor SET A: only median prediction ******************/ |
2390 : | chl | 96 | |
2391 : | edgomez | 195 | |
2392 : | iMinSAD = | ||
2393 : | sad8(cur, | ||
2394 : | get_ref_mv(pRef, pRefH, pRefV, pRefHV, x, y, 8, currMV, | ||
2395 : | iEdgedWidth), iEdgedWidth); | ||
2396 : | iMinSAD += | ||
2397 : | chl | 326 | calc_delta_8(currMV->x - center_x, currMV->y - center_y, |
2398 : | edgomez | 195 | (uint8_t) iFcode, iQuant); |
2399 : | |||
2400 : | |||
2401 : | chl | 96 | // thresh1 is fixed to 256 |
2402 : | edgomez | 195 | if (iMinSAD < 256 / 4) { |
2403 : | if (MotionFlags & PMV_QUICKSTOP8) | ||
2404 : | goto EPZS8_Terminate_without_Refine; | ||
2405 : | if (MotionFlags & PMV_EARLYSTOP8) | ||
2406 : | goto EPZS8_Terminate_with_Refine; | ||
2407 : | } | ||
2408 : | chl | 96 | |
2409 : | edgomez | 195 | /************** This is predictor SET B: (0,0), prev.frame MV, neighbours **************/ |
2410 : | chl | 96 | |
2411 : | |||
2412 : | // MV=(0,0) is often a good choice | ||
2413 : | CHECK_MV8_ZERO; | ||
2414 : | |||
2415 : | chl | 141 | // previous frame MV |
2416 : | edgomez | 195 | CHECK_MV8_CANDIDATE(prevMB->mvs[iSubBlock].x, prevMB->mvs[iSubBlock].y); |
2417 : | |||
2418 : | chl | 141 | // left neighbour, if allowed |
2419 : | edgomez | 195 | if (psad[1] != MV_MAX_ERROR) { |
2420 : | if (!(MotionFlags & PMV_HALFPEL8)) { | ||
2421 : | pmv[1].x = EVEN(pmv[1].x); | ||
2422 : | chl | 141 | pmv[1].y = EVEN(pmv[1].y); |
2423 : | } | ||
2424 : | edgomez | 195 | CHECK_MV8_CANDIDATE(pmv[1].x, pmv[1].y); |
2425 : | chl | 141 | } |
2426 : | // top neighbour, if allowed | ||
2427 : | edgomez | 195 | if (psad[2] != MV_MAX_ERROR) { |
2428 : | if (!(MotionFlags & PMV_HALFPEL8)) { | ||
2429 : | pmv[2].x = EVEN(pmv[2].x); | ||
2430 : | chl | 141 | pmv[2].y = EVEN(pmv[2].y); |
2431 : | } | ||
2432 : | edgomez | 195 | CHECK_MV8_CANDIDATE(pmv[2].x, pmv[2].y); |
2433 : | |||
2434 : | chl | 141 | // top right neighbour, if allowed |
2435 : | edgomez | 195 | if (psad[3] != MV_MAX_ERROR) { |
2436 : | if (!(MotionFlags & PMV_HALFPEL8)) { | ||
2437 : | pmv[3].x = EVEN(pmv[3].x); | ||
2438 : | chl | 141 | pmv[3].y = EVEN(pmv[3].y); |
2439 : | } | ||
2440 : | edgomez | 195 | CHECK_MV8_CANDIDATE(pmv[3].x, pmv[3].y); |
2441 : | chl | 141 | } |
2442 : | } | ||
2443 : | |||
2444 : | /* // this bias is zero anyway, at the moment! | ||
2445 : | |||
2446 : | if ( (MVzero(*currMV)) && (!MVzero(pmv[0])) ) // && (iMinSAD <= iQuant * 96) | ||
2447 : | iMinSAD -= MV8_00_BIAS; | ||
2448 : | |||
2449 : | edgomez | 195 | */ |
2450 : | chl | 141 | |
2451 : | chl | 96 | /* Terminate if MinSAD <= T_2 |
2452 : | Terminate if MV[t] == MV[t-1] and MinSAD[t] <= MinSAD[t-1] | ||
2453 : | */ | ||
2454 : | |||
2455 : | edgomez | 195 | if (iMinSAD < 512 / 4) { /* T_2 == 512/4 hardcoded */ |
2456 : | if (MotionFlags & PMV_QUICKSTOP8) | ||
2457 : | goto EPZS8_Terminate_without_Refine; | ||
2458 : | if (MotionFlags & PMV_EARLYSTOP8) | ||
2459 : | goto EPZS8_Terminate_with_Refine; | ||
2460 : | } | ||
2461 : | chl | 96 | |
2462 : | chl | 141 | /************ (Diamond Search) **************/ |
2463 : | chl | 96 | |
2464 : | edgomez | 195 | backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
2465 : | chl | 96 | |
2466 : | if (!(MotionFlags & PMV_HALFPELDIAMOND8)) | ||
2467 : | iDiamondSize *= 2; | ||
2468 : | edgomez | 195 | |
2469 : | chl | 141 | /* default: use best prediction as starting point for one call of EPZS_MainSearch */ |
2470 : | chl | 96 | |
2471 : | chl | 184 | // there is no EPZS^2 for inter4v at the moment |
2472 : | chl | 141 | |
2473 : | chl | 345 | if (MotionFlags & PMV_USESQUARES8) |
2474 : | MainSearchPtr = Square8_MainSearch; | ||
2475 : | else | ||
2476 : | chl | 181 | |
2477 : | if (MotionFlags & PMV_ADVANCEDDIAMOND8) | ||
2478 : | MainSearchPtr = AdvDiamond8_MainSearch; | ||
2479 : | else | ||
2480 : | MainSearchPtr = Diamond8_MainSearch; | ||
2481 : | |||
2482 : | edgomez | 195 | iSAD = |
2483 : | (*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV->x, | ||
2484 : | chl | 326 | currMV->y, iMinSAD, &newMV, center_x, center_y, min_dx, max_dx, |
2485 : | edgomez | 195 | min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, |
2486 : | iQuant, 0); | ||
2487 : | chl | 96 | |
2488 : | chl | 141 | |
2489 : | edgomez | 195 | if (iSAD < iMinSAD) { |
2490 : | chl | 96 | *currMV = newMV; |
2491 : | iMinSAD = iSAD; | ||
2492 : | } | ||
2493 : | |||
2494 : | edgomez | 195 | if (MotionFlags & PMV_EXTSEARCH8) { |
2495 : | chl | 96 | /* extended mode: search (up to) two more times: orignal prediction and (0,0) */ |
2496 : | |||
2497 : | edgomez | 195 | if (!(MVequal(pmv[0], backupMV))) { |
2498 : | iSAD = | ||
2499 : | (*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, | ||
2500 : | chl | 326 | pmv[0].x, pmv[0].y, iMinSAD, &newMV, center_x, center_y, |
2501 : | edgomez | 195 | min_dx, max_dx, min_dy, max_dy, iEdgedWidth, |
2502 : | iDiamondSize, iFcode, iQuant, 0); | ||
2503 : | |||
2504 : | if (iSAD < iMinSAD) { | ||
2505 : | chl | 96 | *currMV = newMV; |
2506 : | iMinSAD = iSAD; | ||
2507 : | } | ||
2508 : | } | ||
2509 : | |||
2510 : | edgomez | 195 | if ((!(MVzero(pmv[0]))) && (!(MVzero(backupMV)))) { |
2511 : | iSAD = | ||
2512 : | (*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, 0, 0, | ||
2513 : | chl | 326 | iMinSAD, &newMV, center_x, center_y, min_dx, max_dx, min_dy, |
2514 : | edgomez | 195 | max_dy, iEdgedWidth, iDiamondSize, iFcode, |
2515 : | iQuant, 0); | ||
2516 : | |||
2517 : | if (iSAD < iMinSAD) { | ||
2518 : | chl | 96 | *currMV = newMV; |
2519 : | iMinSAD = iSAD; | ||
2520 : | } | ||
2521 : | } | ||
2522 : | } | ||
2523 : | |||
2524 : | /*************** Choose best MV found **************/ | ||
2525 : | |||
2526 : | edgomez | 195 | EPZS8_Terminate_with_Refine: |
2527 : | if (MotionFlags & PMV_HALFPELREFINE8) // perform final half-pel step | ||
2528 : | iMinSAD = | ||
2529 : | Halfpel8_Refine(pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV, | ||
2530 : | chl | 326 | iMinSAD, center_x, center_y, min_dx, max_dx, min_dy, max_dy, |
2531 : | edgomez | 195 | iFcode, iQuant, iEdgedWidth); |
2532 : | chl | 96 | |
2533 : | edgomez | 195 | EPZS8_Terminate_without_Refine: |
2534 : | chl | 96 | |
2535 : | chl | 326 | currPMV->x = currMV->x - center_x; |
2536 : | currPMV->y = currMV->y - center_y; | ||
2537 : | chl | 96 | return iMinSAD; |
2538 : | } |
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