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