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1 : edgomez 1142 /*****************************************************************************
2 :     *
3 :     * XVID MPEG-4 VIDEO CODEC
4 :     * - Motion Estimation for P- and S- VOPs -
5 :     *
6 :     * Copyright(C) 2002 Christoph Lampert <gruel@web.de>
7 :     * 2002 Michael Militzer <michael@xvid.org>
8 :     * 2002-2003 Radoslaw Czyz <xvid@syskin.cjb.net>
9 :     *
10 :     * This program is free software ; you can redistribute it and/or modify
11 :     * it under the terms of the GNU General Public License as published by
12 :     * the Free Software Foundation ; either version 2 of the License, or
13 :     * (at your option) any later version.
14 :     *
15 :     * This program is distributed in the hope that it will be useful,
16 :     * but WITHOUT ANY WARRANTY ; without even the implied warranty of
17 :     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 :     * GNU General Public License for more details.
19 :     *
20 :     * You should have received a copy of the GNU General Public License
21 :     * along with this program ; if not, write to the Free Software
22 :     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 :     *
24 : edgomez 1286 * $Id: estimation_pvop.c,v 1.1.2.14 2003-12-20 15:30:03 edgomez Exp $
25 : edgomez 1142 *
26 :     ****************************************************************************/
27 :    
28 :     #include <assert.h>
29 :     #include <stdio.h>
30 :     #include <stdlib.h>
31 :     #include <string.h> /* memcpy */
32 :    
33 :     #include "../encoder.h"
34 :     #include "../prediction/mbprediction.h"
35 :     #include "../global.h"
36 :     #include "../utils/timer.h"
37 :     #include "../image/interpolate8x8.h"
38 :     #include "estimation.h"
39 :     #include "motion.h"
40 :     #include "sad.h"
41 :     #include "motion_inlines.h"
42 :    
43 :     static const int xvid_me_lambda_vec8[32] =
44 :     { 0 ,(int)(1.00235 * NEIGH_TEND_8X8 + 0.5),
45 :     (int)(1.15582 + NEIGH_TEND_8X8 + 0.5), (int)(1.31976*NEIGH_TEND_8X8 + 0.5),
46 :     (int)(1.49591*NEIGH_TEND_8X8 + 0.5), (int)(1.68601*NEIGH_TEND_8X8 + 0.5),
47 :     (int)(1.89187*NEIGH_TEND_8X8 + 0.5), (int)(2.11542*NEIGH_TEND_8X8 + 0.5),
48 :     (int)(2.35878*NEIGH_TEND_8X8 + 0.5), (int)(2.62429*NEIGH_TEND_8X8 + 0.5),
49 :     (int)(2.91455*NEIGH_TEND_8X8 + 0.5), (int)(3.23253*NEIGH_TEND_8X8 + 0.5),
50 :     (int)(3.58158*NEIGH_TEND_8X8 + 0.5), (int)(3.96555*NEIGH_TEND_8X8 + 0.5),
51 :     (int)(4.38887*NEIGH_TEND_8X8 + 0.5), (int)(4.85673*NEIGH_TEND_8X8 + 0.5),
52 :     (int)(5.37519*NEIGH_TEND_8X8 + 0.5), (int)(5.95144*NEIGH_TEND_8X8 + 0.5),
53 :     (int)(6.59408*NEIGH_TEND_8X8 + 0.5), (int)(7.31349*NEIGH_TEND_8X8 + 0.5),
54 :     (int)(8.12242*NEIGH_TEND_8X8 + 0.5), (int)(9.03669*NEIGH_TEND_8X8 + 0.5),
55 :     (int)(10.0763*NEIGH_TEND_8X8 + 0.5), (int)(11.2669*NEIGH_TEND_8X8 + 0.5),
56 :     (int)(12.6426*NEIGH_TEND_8X8 + 0.5), (int)(14.2493*NEIGH_TEND_8X8 + 0.5),
57 :     (int)(16.1512*NEIGH_TEND_8X8 + 0.5), (int)(18.442*NEIGH_TEND_8X8 + 0.5),
58 :     (int)(21.2656*NEIGH_TEND_8X8 + 0.5), (int)(24.8580*NEIGH_TEND_8X8 + 0.5),
59 :     (int)(29.6436*NEIGH_TEND_8X8 + 0.5), (int)(36.4949*NEIGH_TEND_8X8 + 0.5)
60 :     };
61 :    
62 :     static void
63 : syskin 1215 CheckCandidate16(const int x, const int y, SearchData * const data, const unsigned int Direction)
64 : edgomez 1142 {
65 :     const uint8_t * Reference;
66 :     int32_t sad; uint32_t t;
67 :    
68 :     if ( (x > data->max_dx) || (x < data->min_dx)
69 :     || (y > data->max_dy) || (y < data->min_dy) ) return;
70 :    
71 : syskin 1163 Reference = GetReference(x, y, data);
72 : edgomez 1142
73 :     sad = sad16v(data->Cur, Reference, data->iEdgedWidth, data->temp);
74 : syskin 1163 t = d_mv_bits(x, y, data->predMV, data->iFcode, data->qpel, 0);
75 : edgomez 1142
76 :     sad += (data->lambda16 * t * sad)>>10;
77 :     data->temp[0] += (data->lambda8 * t * (data->temp[0] + NEIGH_8X8_BIAS))>>10;
78 :    
79 : syskin 1163 if (data->chroma) {
80 :     if (sad >= data->iMinSAD[0]) goto no16;
81 :     sad += xvid_me_ChromaSAD((x >> 1) + roundtab_79[x & 0x3],
82 :     (y >> 1) + roundtab_79[y & 0x3], data);
83 :     }
84 : edgomez 1142
85 :     if (sad < data->iMinSAD[0]) {
86 :     data->iMinSAD[0] = sad;
87 : syskin 1163 data->currentMV[0].x = x; data->currentMV[0].y = y;
88 : syskin 1215 data->dir = Direction;
89 : edgomez 1142 }
90 :    
91 : syskin 1163 no16:
92 : edgomez 1142 if (data->temp[0] < data->iMinSAD[1]) {
93 : syskin 1163 data->iMinSAD[1] = data->temp[0]; data->currentMV[1].x = x; data->currentMV[1].y = y; }
94 : edgomez 1142 if (data->temp[1] < data->iMinSAD[2]) {
95 : syskin 1163 data->iMinSAD[2] = data->temp[1]; data->currentMV[2].x = x; data->currentMV[2].y = y; }
96 : edgomez 1142 if (data->temp[2] < data->iMinSAD[3]) {
97 : syskin 1163 data->iMinSAD[3] = data->temp[2]; data->currentMV[3].x = x; data->currentMV[3].y = y; }
98 : edgomez 1142 if (data->temp[3] < data->iMinSAD[4]) {
99 : syskin 1163 data->iMinSAD[4] = data->temp[3]; data->currentMV[4].x = x; data->currentMV[4].y = y; }
100 : edgomez 1142 }
101 :    
102 :     static void
103 : syskin 1215 CheckCandidate16_qpel(const int x, const int y, SearchData * const data, const unsigned int Direction)
104 : edgomez 1142 {
105 :     const uint8_t *Reference;
106 :     int32_t sad; uint32_t t;
107 :    
108 :     if ( (x > data->max_dx) || (x < data->min_dx)
109 :     || (y > data->max_dy) || (y < data->min_dy) ) return;
110 :    
111 : syskin 1163 Reference = xvid_me_interpolate16x16qpel(x, y, 0, data);
112 : edgomez 1142
113 :     sad = sad16v(data->Cur, Reference, data->iEdgedWidth, data->temp);
114 : syskin 1163 t = d_mv_bits(x, y, data->predMV, data->iFcode, 0, 0);
115 : edgomez 1142
116 :     sad += (data->lambda16 * t * sad)>>10;
117 :     data->temp[0] += (data->lambda8 * t * (data->temp[0] + NEIGH_8X8_BIAS))>>10;
118 :    
119 : syskin 1215 if (data->chroma && (sad < data->iMinSAD[0] || sad < data->iMinSAD2) )
120 : syskin 1163 sad += xvid_me_ChromaSAD(((x/2) >> 1) + roundtab_79[(x/2) & 0x3],
121 :     ((y/2) >> 1) + roundtab_79[(y/2) & 0x3], data);
122 : edgomez 1142
123 :     if (data->temp[0] < data->iMinSAD[1]) {
124 : syskin 1163 data->iMinSAD[1] = data->temp[0]; data->currentQMV[1].x = x; data->currentQMV[1].y = y; }
125 : edgomez 1142 if (data->temp[1] < data->iMinSAD[2]) {
126 : syskin 1163 data->iMinSAD[2] = data->temp[1]; data->currentQMV[2].x = x; data->currentQMV[2].y = y; }
127 : edgomez 1142 if (data->temp[2] < data->iMinSAD[3]) {
128 : syskin 1163 data->iMinSAD[3] = data->temp[2]; data->currentQMV[3].x = x; data->currentQMV[3].y = y; }
129 : edgomez 1142 if (data->temp[3] < data->iMinSAD[4]) {
130 : syskin 1163 data->iMinSAD[4] = data->temp[3]; data->currentQMV[4].x = x; data->currentQMV[4].y = y; }
131 : edgomez 1142
132 :     if (sad < data->iMinSAD[0]) {
133 : syskin 1215 data->iMinSAD2 = *(data->iMinSAD);
134 :     data->currentQMV2.x = data->currentQMV->x;
135 :     data->currentQMV2.y = data->currentQMV->y;
136 : edgomez 1142
137 :     data->iMinSAD[0] = sad;
138 : syskin 1163 data->currentQMV[0].x = x; data->currentQMV[0].y = y;
139 : syskin 1215 } else if (sad < data->iMinSAD2) {
140 :     data->iMinSAD2 = sad;
141 :     data->currentQMV2.x = x; data->currentQMV2.y = y;
142 : edgomez 1142 }
143 :     }
144 :    
145 :     static void
146 : syskin 1215 CheckCandidate8(const int x, const int y, SearchData * const data, const unsigned int Direction)
147 : edgomez 1142 {
148 :     int32_t sad; uint32_t t;
149 :     const uint8_t * Reference;
150 :     VECTOR * current;
151 :    
152 :     if ( (x > data->max_dx) || (x < data->min_dx)
153 :     || (y > data->max_dy) || (y < data->min_dy) ) return;
154 :    
155 :     if (!data->qpel_precision) {
156 :     Reference = GetReference(x, y, data);
157 :     current = data->currentMV;
158 :     } else { /* x and y are in 1/4 precision */
159 :     Reference = xvid_me_interpolate8x8qpel(x, y, 0, 0, data);
160 :     current = data->currentQMV;
161 :     }
162 :    
163 :     sad = sad8(data->Cur, Reference, data->iEdgedWidth);
164 :     t = d_mv_bits(x, y, data->predMV, data->iFcode, data->qpel^data->qpel_precision, 0);
165 :    
166 :     sad += (data->lambda8 * t * (sad+NEIGH_8X8_BIAS))>>10;
167 :    
168 :     if (sad < *(data->iMinSAD)) {
169 :     *(data->iMinSAD) = sad;
170 :     current->x = x; current->y = y;
171 : syskin 1215 data->dir = Direction;
172 : edgomez 1142 }
173 :     }
174 :    
175 :     static void
176 : Isibaar 1279 CheckCandidate8_qpel(const int x, const int y, SearchData * const data, const unsigned int Direction)
177 :     {
178 :     int32_t sad; uint32_t t;
179 :     const uint8_t * Reference;
180 :     VECTOR * current;
181 :    
182 :     if ( (x > data->max_dx) || (x < data->min_dx)
183 :     || (y > data->max_dy) || (y < data->min_dy) ) return;
184 :    
185 :     /* x and y are in 1/4 precision */
186 :     Reference = xvid_me_interpolate8x8qpel(x, y, 0, 0, data);
187 :     current = data->currentQMV;
188 :    
189 :     sad = sad8(data->Cur, Reference, data->iEdgedWidth);
190 :     t = d_mv_bits(x, y, data->predMV, data->iFcode, data->qpel^data->qpel_precision, 0);
191 :    
192 :     sad += (data->lambda8 * t * (sad+NEIGH_8X8_BIAS))>>10;
193 :    
194 :     if (sad < *(data->iMinSAD)) {
195 :     data->iMinSAD2 = *(data->iMinSAD);
196 :     data->currentQMV2.x = data->currentQMV->x;
197 :     data->currentQMV2.y = data->currentQMV->y;
198 :    
199 :     *(data->iMinSAD) = sad;
200 :     data->currentQMV->x = x; data->currentQMV->y = y;
201 :     data->dir = Direction;
202 :     } else if (sad < data->iMinSAD2) {
203 :     data->iMinSAD2 = sad;
204 :     data->currentQMV2.x = x; data->currentQMV2.y = y;
205 :     }
206 :     }
207 :    
208 :     static void
209 : syskin 1215 CheckCandidate32(const int x, const int y, SearchData * const data, const unsigned int Direction)
210 : edgomez 1142 {
211 :     uint32_t t;
212 :     const uint8_t * Reference;
213 :     int sad;
214 :    
215 :     if ( (!(x&1) && x !=0) || (!(y&1) && y !=0) || /* non-zero even value */
216 :     (x > data->max_dx) || (x < data->min_dx)
217 :     || (y > data->max_dy) || (y < data->min_dy) ) return;
218 :    
219 :     Reference = GetReference(x, y, data);
220 :     t = d_mv_bits(x, y, data->predMV, data->iFcode, 0, 1);
221 :    
222 :     sad = sad32v_c(data->Cur, Reference, data->iEdgedWidth, data->temp);
223 :    
224 :     sad += (data->lambda16 * t * sad) >> 10;
225 :     data->temp[0] += (data->lambda8 * t * (data->temp[0] + NEIGH_8X8_BIAS))>>10;
226 :    
227 :     if (sad < data->iMinSAD[0]) {
228 :     data->iMinSAD[0] = sad;
229 :     data->currentMV[0].x = x; data->currentMV[0].y = y;
230 : syskin 1215 data->dir = Direction;
231 : edgomez 1142 }
232 :    
233 :     if (data->temp[0] < data->iMinSAD[1]) {
234 :     data->iMinSAD[1] = data->temp[0]; data->currentMV[1].x = x; data->currentMV[1].y = y; }
235 :     if (data->temp[1] < data->iMinSAD[2]) {
236 :     data->iMinSAD[2] = data->temp[1]; data->currentMV[2].x = x; data->currentMV[2].y = y; }
237 :     if (data->temp[2] < data->iMinSAD[3]) {
238 :     data->iMinSAD[3] = data->temp[2]; data->currentMV[3].x = x; data->currentMV[3].y = y; }
239 :     if (data->temp[3] < data->iMinSAD[4]) {
240 :     data->iMinSAD[4] = data->temp[3]; data->currentMV[4].x = x; data->currentMV[4].y = y; }
241 :     }
242 :    
243 :     int
244 :     xvid_me_SkipDecisionP(const IMAGE * current, const IMAGE * reference,
245 :     const int x, const int y,
246 :     const uint32_t stride, const uint32_t iQuant, int rrv)
247 :     {
248 :     int offset = (x + y*stride)*8;
249 :     if(!rrv) {
250 :     uint32_t sadC = sad8(current->u + offset,
251 :     reference->u + offset, stride);
252 :     if (sadC > iQuant * MAX_CHROMA_SAD_FOR_SKIP) return 0;
253 :     sadC += sad8(current->v + offset,
254 :     reference->v + offset, stride);
255 :     if (sadC > iQuant * MAX_CHROMA_SAD_FOR_SKIP) return 0;
256 :     return 1;
257 :    
258 :     } else {
259 :     uint32_t sadC = sad16(current->u + 2*offset,
260 :     reference->u + 2*offset, stride, 256*4096);
261 :     if (sadC > iQuant * MAX_CHROMA_SAD_FOR_SKIP*4) return 0;
262 :     sadC += sad16(current->v + 2*offset,
263 :     reference->v + 2*offset, stride, 256*4096);
264 :     if (sadC > iQuant * MAX_CHROMA_SAD_FOR_SKIP*4) return 0;
265 :     return 1;
266 :     }
267 :     }
268 :    
269 :     /*
270 :     * pmv are filled with:
271 :     * [0]: Median (or whatever is correct in a special case)
272 :     * [1]: left neighbour
273 :     * [2]: top neighbour
274 :     * [3]: topright neighbour
275 :     * psad are filled with:
276 :     * [0]: minimum of [1] to [3]
277 :     * [1]: left neighbour's SAD (NB:[1] to [3] are actually not needed)
278 :     * [2]: top neighbour's SAD
279 :     * [3]: topright neighbour's SAD
280 :     */
281 :    
282 : syskin 1163 static __inline void
283 : edgomez 1142 get_pmvdata2(const MACROBLOCK * const mbs,
284 :     const int mb_width,
285 :     const int bound,
286 :     const int x,
287 :     const int y,
288 :     VECTOR * const pmv,
289 :     int32_t * const psad)
290 :     {
291 :     int lx, ly, lz; /* left */
292 :     int tx, ty, tz; /* top */
293 :     int rx, ry, rz; /* top-right */
294 :     int lpos, tpos, rpos;
295 :     int num_cand = 0, last_cand = 1;
296 :    
297 : syskin 1163 lx = x - 1; ly = y; lz = 1;
298 :     tx = x; ty = y - 1; tz = 2;
299 :     rx = x + 1; ry = y - 1; rz = 2;
300 : edgomez 1142
301 :     lpos = lx + ly * mb_width;
302 :     rpos = rx + ry * mb_width;
303 :     tpos = tx + ty * mb_width;
304 :    
305 :     if (lpos >= bound && lx >= 0) {
306 :     num_cand++;
307 :     last_cand = 1;
308 :     pmv[1] = mbs[lpos].mvs[lz];
309 :     psad[1] = mbs[lpos].sad8[lz];
310 :     } else {
311 :     pmv[1] = zeroMV;
312 :     psad[1] = MV_MAX_ERROR;
313 :     }
314 :    
315 :     if (tpos >= bound) {
316 :     num_cand++;
317 :     last_cand = 2;
318 :     pmv[2]= mbs[tpos].mvs[tz];
319 :     psad[2] = mbs[tpos].sad8[tz];
320 :     } else {
321 :     pmv[2] = zeroMV;
322 :     psad[2] = MV_MAX_ERROR;
323 :     }
324 :    
325 :     if (rpos >= bound && rx < mb_width) {
326 :     num_cand++;
327 :     last_cand = 3;
328 :     pmv[3] = mbs[rpos].mvs[rz];
329 :     psad[3] = mbs[rpos].sad8[rz];
330 :     } else {
331 :     pmv[3] = zeroMV;
332 :     psad[3] = MV_MAX_ERROR;
333 :     }
334 :    
335 :     /* original pmvdata() compatibility hack */
336 : syskin 1163 if (x == 0 && y == 0) {
337 : edgomez 1142 pmv[0] = pmv[1] = pmv[2] = pmv[3] = zeroMV;
338 :     psad[0] = 0;
339 :     psad[1] = psad[2] = psad[3] = MV_MAX_ERROR;
340 : syskin 1185 return;
341 : edgomez 1142 }
342 :    
343 :     /* if only one valid candidate preictor, the invalid candiates are set to the canidate */
344 :     if (num_cand == 1) {
345 :     pmv[0] = pmv[last_cand];
346 :     psad[0] = psad[last_cand];
347 : syskin 1185 return;
348 : edgomez 1142 }
349 :    
350 :     if ((MVequal(pmv[1], pmv[2])) && (MVequal(pmv[1], pmv[3]))) {
351 :     pmv[0] = pmv[1];
352 :     psad[0] = MIN(MIN(psad[1], psad[2]), psad[3]);
353 : syskin 1185 return;
354 : edgomez 1142 }
355 :    
356 :     /* set median, minimum */
357 :    
358 :     pmv[0].x =
359 :     MIN(MAX(pmv[1].x, pmv[2].x),
360 :     MIN(MAX(pmv[2].x, pmv[3].x), MAX(pmv[1].x, pmv[3].x)));
361 :     pmv[0].y =
362 :     MIN(MAX(pmv[1].y, pmv[2].y),
363 :     MIN(MAX(pmv[2].y, pmv[3].y), MAX(pmv[1].y, pmv[3].y)));
364 :    
365 :     psad[0] = MIN(MIN(psad[1], psad[2]), psad[3]);
366 :    
367 :     }
368 :    
369 :    
370 :     static void
371 :     ModeDecision_SAD(SearchData * const Data,
372 :     MACROBLOCK * const pMB,
373 :     const MACROBLOCK * const pMBs,
374 :     const int x, const int y,
375 :     const MBParam * const pParam,
376 :     const uint32_t MotionFlags,
377 :     const uint32_t VopFlags,
378 :     const uint32_t VolFlags,
379 :     const IMAGE * const pCurrent,
380 :     const IMAGE * const pRef,
381 :     const IMAGE * const vGMC,
382 :     const int coding_type)
383 :     {
384 :     int mode = MODE_INTER;
385 :     int mcsel = 0;
386 :     int inter4v = (VopFlags & XVID_VOP_INTER4V) && (pMB->dquant == 0);
387 :     const uint32_t iQuant = pMB->quant;
388 :    
389 :     const int skip_possible = (coding_type == P_VOP) && (pMB->dquant == 0);
390 :    
391 :     int sad;
392 :     int InterBias = MV16_INTER_BIAS;
393 :    
394 :     pMB->mcsel = 0;
395 :    
396 :     if (inter4v == 0 || Data->iMinSAD[0] < Data->iMinSAD[1] + Data->iMinSAD[2] +
397 :     Data->iMinSAD[3] + Data->iMinSAD[4] + IMV16X16 * (int32_t)iQuant) {
398 :     mode = MODE_INTER;
399 :     sad = Data->iMinSAD[0];
400 :     } else {
401 :     mode = MODE_INTER4V;
402 :     sad = Data->iMinSAD[1] + Data->iMinSAD[2] +
403 :     Data->iMinSAD[3] + Data->iMinSAD[4] + IMV16X16 * (int32_t)iQuant;
404 :     Data->iMinSAD[0] = sad;
405 :     }
406 :    
407 :     /* final skip decision, a.k.a. "the vector you found, really that good?" */
408 :     if (skip_possible && (pMB->sad16 < (int)iQuant * MAX_SAD00_FOR_SKIP))
409 :     if ( (100*sad)/(pMB->sad16+1) > FINAL_SKIP_THRESH)
410 :     if (Data->chroma || xvid_me_SkipDecisionP(pCurrent, pRef, x, y, Data->iEdgedWidth/2, iQuant, Data->rrv)) {
411 :     mode = MODE_NOT_CODED;
412 :     sad = 0;
413 :     }
414 :    
415 :     /* mcsel */
416 :     if (coding_type == S_VOP) {
417 :    
418 :     int32_t iSAD = sad16(Data->Cur,
419 :     vGMC->y + 16*y*Data->iEdgedWidth + 16*x, Data->iEdgedWidth, 65536);
420 :    
421 :     if (Data->chroma) {
422 :     iSAD += sad8(Data->CurU, vGMC->u + 8*y*(Data->iEdgedWidth/2) + 8*x, Data->iEdgedWidth/2);
423 :     iSAD += sad8(Data->CurV, vGMC->v + 8*y*(Data->iEdgedWidth/2) + 8*x, Data->iEdgedWidth/2);
424 :     }
425 :    
426 :     if (iSAD <= sad) { /* mode decision GMC */
427 :     mode = MODE_INTER;
428 :     mcsel = 1;
429 :     sad = iSAD;
430 :     }
431 :     }
432 :    
433 :     /* intra decision */
434 :    
435 : syskin 1237 if (iQuant > 10) InterBias += 60 * (iQuant - 10); /* to make high quants work */
436 : edgomez 1142 if (y != 0)
437 :     if ((pMB - pParam->mb_width)->mode == MODE_INTRA ) InterBias -= 80;
438 :     if (x != 0)
439 :     if ((pMB - 1)->mode == MODE_INTRA ) InterBias -= 80;
440 :    
441 :     if (Data->chroma) InterBias += 50; /* dev8(chroma) ??? <-- yes, we need dev8 (no big difference though) */
442 :     if (Data->rrv) InterBias *= 4;
443 :    
444 :     if (InterBias < sad) {
445 :     int32_t deviation;
446 :     if (!Data->rrv)
447 :     deviation = dev16(Data->Cur, Data->iEdgedWidth);
448 :     else
449 :     deviation = dev16(Data->Cur, Data->iEdgedWidth) + /* dev32() */
450 :     dev16(Data->Cur+16, Data->iEdgedWidth) +
451 :     dev16(Data->Cur + 16*Data->iEdgedWidth, Data->iEdgedWidth) +
452 :     dev16(Data->Cur+16+16*Data->iEdgedWidth, Data->iEdgedWidth);
453 :    
454 :     if (deviation < (sad - InterBias)) mode = MODE_INTRA;
455 :     }
456 :    
457 :     pMB->cbp = 63;
458 :     pMB->sad16 = pMB->sad8[0] = pMB->sad8[1] = pMB->sad8[2] = pMB->sad8[3] = sad;
459 :    
460 :     if (Data->rrv) {
461 :     Data->currentMV[0].x = RRV_MV_SCALEDOWN(Data->currentMV[0].x);
462 :     Data->currentMV[0].y = RRV_MV_SCALEDOWN(Data->currentMV[0].y);
463 :     }
464 :    
465 :     if (mode == MODE_INTER && mcsel == 0) {
466 :     pMB->mvs[0] = pMB->mvs[1] = pMB->mvs[2] = pMB->mvs[3] = Data->currentMV[0];
467 :    
468 :     if(Data->qpel) {
469 :     pMB->qmvs[0] = pMB->qmvs[1]
470 :     = pMB->qmvs[2] = pMB->qmvs[3] = Data->currentQMV[0];
471 :     pMB->pmvs[0].x = Data->currentQMV[0].x - Data->predMV.x;
472 :     pMB->pmvs[0].y = Data->currentQMV[0].y - Data->predMV.y;
473 :     } else {
474 :     pMB->pmvs[0].x = Data->currentMV[0].x - Data->predMV.x;
475 :     pMB->pmvs[0].y = Data->currentMV[0].y - Data->predMV.y;
476 :     }
477 :    
478 : edgomez 1160 } else if (mode == MODE_INTER ) { /* but mcsel == 1 */
479 : edgomez 1142
480 :     pMB->mcsel = 1;
481 :     if (Data->qpel) {
482 :     pMB->qmvs[0] = pMB->qmvs[1] = pMB->qmvs[2] = pMB->qmvs[3] = pMB->amv;
483 :     pMB->mvs[0].x = pMB->mvs[1].x = pMB->mvs[2].x = pMB->mvs[3].x = pMB->amv.x/2;
484 :     pMB->mvs[0].y = pMB->mvs[1].y = pMB->mvs[2].y = pMB->mvs[3].y = pMB->amv.y/2;
485 :     } else
486 :     pMB->mvs[0] = pMB->mvs[1] = pMB->mvs[2] = pMB->mvs[3] = pMB->amv;
487 :    
488 :     } else
489 :     if (mode == MODE_INTER4V) ; /* anything here? */
490 :     else /* INTRA, NOT_CODED */
491 :     ZeroMacroblockP(pMB, 0);
492 :    
493 :     pMB->mode = mode;
494 :     }
495 :    
496 :     static __inline void
497 :     PreparePredictionsP(VECTOR * const pmv, int x, int y, int iWcount,
498 :     int iHcount, const MACROBLOCK * const prevMB, int rrv)
499 :     {
500 :     /* this function depends on get_pmvdata which means that it sucks. It should get the predictions by itself */
501 :     if (rrv) { iWcount /= 2; iHcount /= 2; }
502 :    
503 :     if ( (y != 0) && (x < (iWcount-1)) ) { /* [5] top-right neighbour */
504 :     pmv[5].x = EVEN(pmv[3].x);
505 :     pmv[5].y = EVEN(pmv[3].y);
506 :     } else pmv[5].x = pmv[5].y = 0;
507 :    
508 :     if (x != 0) { pmv[3].x = EVEN(pmv[1].x); pmv[3].y = EVEN(pmv[1].y); }/* pmv[3] is left neighbour */
509 :     else pmv[3].x = pmv[3].y = 0;
510 :    
511 :     if (y != 0) { pmv[4].x = EVEN(pmv[2].x); pmv[4].y = EVEN(pmv[2].y); }/* [4] top neighbour */
512 :     else pmv[4].x = pmv[4].y = 0;
513 :    
514 :     /* [1] median prediction */
515 :     pmv[1].x = EVEN(pmv[0].x); pmv[1].y = EVEN(pmv[0].y);
516 :    
517 :     pmv[0].x = pmv[0].y = 0; /* [0] is zero; not used in the loop (checked before) but needed here for make_mask */
518 :    
519 :     pmv[2].x = EVEN(prevMB->mvs[0].x); /* [2] is last frame */
520 :     pmv[2].y = EVEN(prevMB->mvs[0].y);
521 :    
522 :     if ((x < iWcount-1) && (y < iHcount-1)) {
523 :     pmv[6].x = EVEN((prevMB+1+iWcount)->mvs[0].x); /* [6] right-down neighbour in last frame */
524 :     pmv[6].y = EVEN((prevMB+1+iWcount)->mvs[0].y);
525 :     } else pmv[6].x = pmv[6].y = 0;
526 :    
527 :     if (rrv) {
528 :     int i;
529 :     for (i = 0; i < 7; i++) {
530 :     pmv[i].x = RRV_MV_SCALEUP(pmv[i].x);
531 :     pmv[i].y = RRV_MV_SCALEUP(pmv[i].y);
532 :     }
533 :     }
534 :     }
535 :    
536 :     static void
537 : syskin 1215 Search8(SearchData * const OldData,
538 : edgomez 1142 const int x, const int y,
539 :     const uint32_t MotionFlags,
540 :     const MBParam * const pParam,
541 :     MACROBLOCK * const pMB,
542 :     const MACROBLOCK * const pMBs,
543 :     const int block,
544 :     SearchData * const Data)
545 :     {
546 :     int i = 0;
547 :     CheckFunc * CheckCandidate;
548 : syskin 1215 *Data->iMinSAD = *(OldData->iMinSAD + 1 + block);
549 :     *Data->currentMV = *(OldData->currentMV + 1 + block);
550 :     *Data->currentQMV = *(OldData->currentQMV + 1 + block);
551 : edgomez 1142
552 :     if(Data->qpel) {
553 :     Data->predMV = get_qpmv2(pMBs, pParam->mb_width, 0, x/2, y/2, block);
554 :     if (block != 0) i = d_mv_bits( Data->currentQMV->x, Data->currentQMV->y,
555 :     Data->predMV, Data->iFcode, 0, 0);
556 :     } else {
557 :     Data->predMV = get_pmv2(pMBs, pParam->mb_width, 0, x/2, y/2, block);
558 :     if (block != 0) i = d_mv_bits( Data->currentMV->x, Data->currentMV->y,
559 :     Data->predMV, Data->iFcode, 0, Data->rrv);
560 :     }
561 :    
562 :     *(Data->iMinSAD) += (Data->lambda8 * i * (*Data->iMinSAD + NEIGH_8X8_BIAS))>>10;
563 :    
564 :     if (MotionFlags & (XVID_ME_EXTSEARCH8|XVID_ME_HALFPELREFINE8|XVID_ME_QUARTERPELREFINE8)) {
565 :    
566 :     if (Data->rrv) i = 16; else i = 8;
567 :    
568 :     Data->RefP[0] = OldData->RefP[0] + i * ((block&1) + Data->iEdgedWidth*(block>>1));
569 :     Data->RefP[1] = OldData->RefP[1] + i * ((block&1) + Data->iEdgedWidth*(block>>1));
570 :     Data->RefP[2] = OldData->RefP[2] + i * ((block&1) + Data->iEdgedWidth*(block>>1));
571 :     Data->RefP[3] = OldData->RefP[3] + i * ((block&1) + Data->iEdgedWidth*(block>>1));
572 :    
573 :     Data->Cur = OldData->Cur + i * ((block&1) + Data->iEdgedWidth*(block>>1));
574 :     Data->qpel_precision = 0;
575 :    
576 :     get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 3,
577 :     pParam->width, pParam->height, Data->iFcode - Data->qpel, 1, Data->rrv);
578 :    
579 :     if (!Data->rrv) CheckCandidate = CheckCandidate8;
580 :     else CheckCandidate = CheckCandidate16no4v;
581 :    
582 :     if (MotionFlags & XVID_ME_EXTSEARCH8 && (!(MotionFlags & XVID_ME_EXTSEARCH_RD))) {
583 :     int32_t temp_sad = *(Data->iMinSAD); /* store current MinSAD */
584 :    
585 :     MainSearchFunc *MainSearchPtr;
586 :     if (MotionFlags & XVID_ME_USESQUARES8) MainSearchPtr = xvid_me_SquareSearch;
587 :     else if (MotionFlags & XVID_ME_ADVANCEDDIAMOND8) MainSearchPtr = xvid_me_AdvDiamondSearch;
588 :     else MainSearchPtr = xvid_me_DiamondSearch;
589 :    
590 :     MainSearchPtr(Data->currentMV->x, Data->currentMV->y, Data, 255, CheckCandidate);
591 :    
592 :     if(*(Data->iMinSAD) < temp_sad) {
593 :     Data->currentQMV->x = 2 * Data->currentMV->x; /* update our qpel vector */
594 :     Data->currentQMV->y = 2 * Data->currentMV->y;
595 :     }
596 :     }
597 :    
598 :     if (MotionFlags & XVID_ME_HALFPELREFINE8) {
599 :     int32_t temp_sad = *(Data->iMinSAD); /* store current MinSAD */
600 :    
601 :     xvid_me_SubpelRefine(Data, CheckCandidate); /* perform halfpel refine of current best vector */
602 :    
603 :     if(*(Data->iMinSAD) < temp_sad) { /* we have found a better match */
604 :     Data->currentQMV->x = 2 * Data->currentMV->x; /* update our qpel vector */
605 :     Data->currentQMV->y = 2 * Data->currentMV->y;
606 :     }
607 :     }
608 :    
609 : edgomez 1286 if (Data->qpel && (MotionFlags & XVID_ME_QUARTERPELREFINE8)) {
610 : edgomez 1142 Data->qpel_precision = 1;
611 :     get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 3,
612 :     pParam->width, pParam->height, Data->iFcode, 2, 0);
613 : Isibaar 1279
614 : Isibaar 1280 if((MotionFlags & XVID_ME_FASTREFINE8) && (!Data->rrv))
615 : Isibaar 1279 SubpelRefine_Fast(Data, CheckCandidate8_qpel);
616 :     else
617 :     xvid_me_SubpelRefine(Data, CheckCandidate);
618 : edgomez 1142 }
619 :     }
620 :    
621 :     if (Data->rrv) {
622 :     Data->currentMV->x = RRV_MV_SCALEDOWN(Data->currentMV->x);
623 :     Data->currentMV->y = RRV_MV_SCALEDOWN(Data->currentMV->y);
624 :     }
625 :    
626 :     if(Data->qpel) {
627 :     pMB->pmvs[block].x = Data->currentQMV->x - Data->predMV.x;
628 :     pMB->pmvs[block].y = Data->currentQMV->y - Data->predMV.y;
629 :     pMB->qmvs[block] = *Data->currentQMV;
630 :     } else {
631 :     pMB->pmvs[block].x = Data->currentMV->x - Data->predMV.x;
632 :     pMB->pmvs[block].y = Data->currentMV->y - Data->predMV.y;
633 :     }
634 :    
635 : syskin 1215 *(OldData->iMinSAD + 1 + block) = *Data->iMinSAD;
636 :     *(OldData->currentMV + 1 + block) = *Data->currentMV;
637 :     *(OldData->currentQMV + 1 + block) = *Data->currentQMV;
638 :    
639 : edgomez 1142 pMB->mvs[block] = *Data->currentMV;
640 :     pMB->sad8[block] = 4 * *Data->iMinSAD;
641 :     }
642 :    
643 :    
644 :    
645 :     static void
646 :     SearchP(const IMAGE * const pRef,
647 :     const uint8_t * const pRefH,
648 :     const uint8_t * const pRefV,
649 :     const uint8_t * const pRefHV,
650 :     const IMAGE * const pCur,
651 :     const int x,
652 :     const int y,
653 :     const uint32_t MotionFlags,
654 :     const uint32_t VopFlags,
655 :     SearchData * const Data,
656 :     const MBParam * const pParam,
657 :     const MACROBLOCK * const pMBs,
658 :     const MACROBLOCK * const prevMBs,
659 :     MACROBLOCK * const pMB)
660 :     {
661 :    
662 :     int i, threshA;
663 :     VECTOR pmv[7];
664 :     int inter4v = (VopFlags & XVID_VOP_INTER4V) && (pMB->dquant == 0);
665 :     CheckFunc * CheckCandidate;
666 :    
667 :     get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 4,
668 :     pParam->width, pParam->height, Data->iFcode - Data->qpel, 1, Data->rrv);
669 :    
670 : syskin 1163 get_pmvdata2(pMBs, pParam->mb_width, 0, x, y, pmv, Data->temp);
671 : edgomez 1142
672 : syskin 1215 Data->chromaX = Data->chromaY = 0; /* chroma-sad cache */
673 : edgomez 1142 i = Data->rrv ? 2 : 1;
674 :     Data->Cur = pCur->y + (x + y * Data->iEdgedWidth) * 16*i;
675 :     Data->CurV = pCur->v + (x + y * (Data->iEdgedWidth/2)) * 8*i;
676 :     Data->CurU = pCur->u + (x + y * (Data->iEdgedWidth/2)) * 8*i;
677 :    
678 :     Data->RefP[0] = pRef->y + (x + Data->iEdgedWidth*y) * 16*i;
679 :     Data->RefP[2] = pRefH + (x + Data->iEdgedWidth*y) * 16*i;
680 :     Data->RefP[1] = pRefV + (x + Data->iEdgedWidth*y) * 16*i;
681 :     Data->RefP[3] = pRefHV + (x + Data->iEdgedWidth*y) * 16*i;
682 :     Data->RefP[4] = pRef->u + (x + y * (Data->iEdgedWidth/2)) * 8*i;
683 :     Data->RefP[5] = pRef->v + (x + y * (Data->iEdgedWidth/2)) * 8*i;
684 :    
685 :     Data->lambda16 = xvid_me_lambda_vec16[pMB->quant];
686 :     Data->lambda8 = xvid_me_lambda_vec8[pMB->quant];
687 :     Data->qpel_precision = 0;
688 : syskin 1215 Data->dir = 0;
689 : edgomez 1142
690 :     memset(Data->currentMV, 0, 5*sizeof(VECTOR));
691 :    
692 :     if (Data->qpel) Data->predMV = get_qpmv2(pMBs, pParam->mb_width, 0, x, y, 0);
693 :     else Data->predMV = pmv[0];
694 :    
695 :     i = d_mv_bits(0, 0, Data->predMV, Data->iFcode, 0, 0);
696 :     Data->iMinSAD[0] = pMB->sad16 + ((Data->lambda16 * i * pMB->sad16)>>10);
697 :     Data->iMinSAD[1] = pMB->sad8[0] + ((Data->lambda8 * i * (pMB->sad8[0]+NEIGH_8X8_BIAS)) >> 10);
698 :     Data->iMinSAD[2] = pMB->sad8[1];
699 :     Data->iMinSAD[3] = pMB->sad8[2];
700 :     Data->iMinSAD[4] = pMB->sad8[3];
701 :    
702 :     if ((!(VopFlags & XVID_VOP_MODEDECISION_RD)) && (x | y)) {
703 :     threshA = Data->temp[0]; /* that's where we keep this SAD atm */
704 :     if (threshA < 512) threshA = 512;
705 :     else if (threshA > 1024) threshA = 1024;
706 :     } else
707 :     threshA = 512;
708 :    
709 :     PreparePredictionsP(pmv, x, y, pParam->mb_width, pParam->mb_height,
710 :     prevMBs + x + y * pParam->mb_width, Data->rrv);
711 :    
712 :     if (!Data->rrv) {
713 :     if (inter4v) CheckCandidate = CheckCandidate16;
714 :     else CheckCandidate = CheckCandidate16no4v; /* for extra speed */
715 :     } else CheckCandidate = CheckCandidate32;
716 :    
717 :     /* main loop. checking all predictions (but first, which is 0,0 and has been checked in MotionEstimation())*/
718 :    
719 :     for (i = 1; i < 7; i++)
720 :     if (!vector_repeats(pmv, i)) {
721 :     CheckCandidate(pmv[i].x, pmv[i].y, Data, i);
722 :     if (Data->iMinSAD[0] <= threshA) { i++; break; }
723 :     }
724 :    
725 :     if ((Data->iMinSAD[0] <= threshA) ||
726 :     (MVequal(Data->currentMV[0], (prevMBs+x+y*pParam->mb_width)->mvs[0]) &&
727 :     (Data->iMinSAD[0] < (prevMBs+x+y*pParam->mb_width)->sad16)))
728 :     inter4v = 0;
729 :     else {
730 :    
731 :     MainSearchFunc * MainSearchPtr;
732 : syskin 1215 int mask = make_mask(pmv, i, Data->dir); /* all vectors pmv[0..i-1] have been checked */
733 : edgomez 1142
734 :     if (MotionFlags & XVID_ME_USESQUARES16) MainSearchPtr = xvid_me_SquareSearch;
735 :     else if (MotionFlags & XVID_ME_ADVANCEDDIAMOND16) MainSearchPtr = xvid_me_AdvDiamondSearch;
736 :     else MainSearchPtr = xvid_me_DiamondSearch;
737 :    
738 :     MainSearchPtr(Data->currentMV->x, Data->currentMV->y, Data, mask, CheckCandidate);
739 :    
740 :     /* extended search, diamond starting in 0,0 and in prediction.
741 :     note that this search is/might be done in halfpel positions,
742 :     which makes it more different than the diamond above */
743 :    
744 :     if (MotionFlags & XVID_ME_EXTSEARCH16) {
745 :     int32_t bSAD;
746 :     VECTOR startMV = Data->predMV, backupMV = Data->currentMV[0];
747 : syskin 1163 if (Data->qpel) {
748 :     startMV.x /= 2;
749 :     startMV.y /= 2;
750 :     } else if (Data->rrv) {
751 : edgomez 1142 startMV.x = RRV_MV_SCALEUP(startMV.x);
752 :     startMV.y = RRV_MV_SCALEUP(startMV.y);
753 :     }
754 :     if (!(MVequal(startMV, backupMV))) {
755 :     bSAD = Data->iMinSAD[0]; Data->iMinSAD[0] = MV_MAX_ERROR;
756 :    
757 :     CheckCandidate(startMV.x, startMV.y, Data, 255);
758 : syskin 1237 xvid_me_DiamondSearch(startMV.x, startMV.y, Data, 255, CheckCandidate);
759 : edgomez 1142 if (bSAD < Data->iMinSAD[0]) {
760 :     Data->currentMV[0] = backupMV;
761 :     Data->iMinSAD[0] = bSAD; }
762 :     }
763 :    
764 :     backupMV = Data->currentMV[0];
765 :     startMV.x = startMV.y = 1;
766 :     if (!(MVequal(startMV, backupMV))) {
767 :     bSAD = Data->iMinSAD[0]; Data->iMinSAD[0] = MV_MAX_ERROR;
768 :    
769 :     CheckCandidate(startMV.x, startMV.y, Data, 255);
770 : syskin 1237 xvid_me_DiamondSearch(startMV.x, startMV.y, Data, 255, CheckCandidate);
771 : edgomez 1142 if (bSAD < Data->iMinSAD[0]) {
772 :     Data->currentMV[0] = backupMV;
773 :     Data->iMinSAD[0] = bSAD;
774 :     }
775 :     }
776 :     }
777 :     }
778 :    
779 :     if (MotionFlags & XVID_ME_HALFPELREFINE16)
780 :     xvid_me_SubpelRefine(Data, CheckCandidate);
781 :    
782 :     for(i = 0; i < 5; i++) {
783 :     Data->currentQMV[i].x = 2 * Data->currentMV[i].x; /* initialize qpel vectors */
784 :     Data->currentQMV[i].y = 2 * Data->currentMV[i].y;
785 :     }
786 :    
787 :     if (Data->qpel) {
788 :     get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 4,
789 :     pParam->width, pParam->height, Data->iFcode, 2, 0);
790 :     Data->qpel_precision = 1;
791 :     if (MotionFlags & XVID_ME_QUARTERPELREFINE16) {
792 :     if(MotionFlags & XVID_ME_FASTREFINE16)
793 : syskin 1163 SubpelRefine_Fast(Data, CheckCandidate16_qpel);
794 : edgomez 1142 else
795 : syskin 1163 xvid_me_SubpelRefine(Data, CheckCandidate16_qpel);
796 : edgomez 1142 }
797 :     }
798 :    
799 : Isibaar 1279 if (Data->iMinSAD[0] < (int32_t)pMB->quant * 30*((MotionFlags & XVID_ME_FASTREFINE16) ? 8 : 1))
800 : edgomez 1142 inter4v = 0;
801 :    
802 :     if (inter4v) {
803 :     SearchData Data8;
804 :     memcpy(&Data8, Data, sizeof(SearchData)); /* quick copy of common data */
805 :    
806 :     Search8(Data, 2*x, 2*y, MotionFlags, pParam, pMB, pMBs, 0, &Data8);
807 :     Search8(Data, 2*x + 1, 2*y, MotionFlags, pParam, pMB, pMBs, 1, &Data8);
808 :     Search8(Data, 2*x, 2*y + 1, MotionFlags, pParam, pMB, pMBs, 2, &Data8);
809 :     Search8(Data, 2*x + 1, 2*y + 1, MotionFlags, pParam, pMB, pMBs, 3, &Data8);
810 :    
811 :     if ((Data->chroma) && (!(VopFlags & XVID_VOP_MODEDECISION_RD))) {
812 :     /* chroma is only used for comparsion to INTER. if the comparsion will be done in BITS domain, it will not be used */
813 :     int sumx = 0, sumy = 0;
814 :    
815 :     if (Data->qpel)
816 :     for (i = 1; i < 5; i++) {
817 :     sumx += Data->currentQMV[i].x/2;
818 :     sumy += Data->currentQMV[i].y/2;
819 :     }
820 :     else
821 :     for (i = 1; i < 5; i++) {
822 :     sumx += Data->currentMV[i].x;
823 :     sumy += Data->currentMV[i].y;
824 :     }
825 :    
826 :     Data->iMinSAD[1] += xvid_me_ChromaSAD((sumx >> 3) + roundtab_76[sumx & 0xf],
827 :     (sumy >> 3) + roundtab_76[sumy & 0xf], Data);
828 :     }
829 :     } else Data->iMinSAD[1] = 4096*256;
830 :     }
831 :    
832 :     static __inline uint32_t
833 :     MakeGoodMotionFlags(const uint32_t MotionFlags, const uint32_t VopFlags, const uint32_t VolFlags)
834 :     {
835 :     uint32_t Flags = MotionFlags;
836 :    
837 :     if (!(VopFlags & XVID_VOP_MODEDECISION_RD))
838 :     Flags &= ~(XVID_ME_QUARTERPELREFINE16_RD+XVID_ME_QUARTERPELREFINE8_RD+XVID_ME_HALFPELREFINE16_RD+XVID_ME_HALFPELREFINE8_RD+XVID_ME_EXTSEARCH_RD);
839 :    
840 :     if (Flags & XVID_ME_EXTSEARCH_RD)
841 :     Flags |= XVID_ME_HALFPELREFINE16_RD;
842 :    
843 :     if (Flags & XVID_ME_EXTSEARCH_RD && MotionFlags & XVID_ME_EXTSEARCH8)
844 :     Flags |= XVID_ME_HALFPELREFINE8_RD;
845 :    
846 :     if (Flags & XVID_ME_HALFPELREFINE16_RD)
847 :     Flags |= XVID_ME_QUARTERPELREFINE16_RD;
848 :    
849 :     if (Flags & XVID_ME_HALFPELREFINE8_RD) {
850 :     Flags |= XVID_ME_QUARTERPELREFINE8_RD;
851 :     Flags &= ~XVID_ME_HALFPELREFINE8;
852 :     }
853 :    
854 :     if (Flags & XVID_ME_QUARTERPELREFINE8_RD)
855 :     Flags &= ~XVID_ME_QUARTERPELREFINE8;
856 :    
857 :     if (!(VolFlags & XVID_VOL_QUARTERPEL))
858 :     Flags &= ~(XVID_ME_QUARTERPELREFINE16+XVID_ME_QUARTERPELREFINE8+XVID_ME_QUARTERPELREFINE16_RD+XVID_ME_QUARTERPELREFINE8_RD);
859 :    
860 :     if (!(VopFlags & XVID_VOP_HALFPEL))
861 :     Flags &= ~(XVID_ME_EXTSEARCH16+XVID_ME_HALFPELREFINE16+XVID_ME_HALFPELREFINE8+XVID_ME_HALFPELREFINE16_RD+XVID_ME_HALFPELREFINE8_RD);
862 :    
863 :     if ((VopFlags & XVID_VOP_GREYSCALE) || (VopFlags & XVID_VOP_REDUCED))
864 :     Flags &= ~(XVID_ME_CHROMA_PVOP + XVID_ME_CHROMA_BVOP);
865 :    
866 :     return Flags;
867 :     }
868 :    
869 :     bool
870 :     MotionEstimation(MBParam * const pParam,
871 :     FRAMEINFO * const current,
872 :     FRAMEINFO * const reference,
873 :     const IMAGE * const pRefH,
874 :     const IMAGE * const pRefV,
875 :     const IMAGE * const pRefHV,
876 :     const IMAGE * const pGMC,
877 :     const uint32_t iLimit)
878 :     {
879 :     MACROBLOCK *const pMBs = current->mbs;
880 :     const IMAGE *const pCurrent = &current->image;
881 :     const IMAGE *const pRef = &reference->image;
882 :    
883 :     uint32_t mb_width = pParam->mb_width;
884 :     uint32_t mb_height = pParam->mb_height;
885 :     const uint32_t iEdgedWidth = pParam->edged_width;
886 :     const uint32_t MotionFlags = MakeGoodMotionFlags(current->motion_flags, current->vop_flags, current->vol_flags);
887 :     int stat_thresh = 0;
888 :    
889 :     uint32_t x, y;
890 :     uint32_t iIntra = 0;
891 :     int32_t sad00;
892 :     int skip_thresh = INITIAL_SKIP_THRESH * \
893 :     (current->vop_flags & XVID_VOP_REDUCED ? 4:1) * \
894 :     (current->vop_flags & XVID_VOP_MODEDECISION_RD ? 2:1);
895 :    
896 :     /* some pre-initialized thingies for SearchP */
897 :     DECLARE_ALIGNED_MATRIX(dct_space, 3, 64, int16_t, CACHE_LINE);
898 :     SearchData Data;
899 :     memset(&Data, 0, sizeof(SearchData));
900 :     Data.iEdgedWidth = iEdgedWidth;
901 :     Data.iFcode = current->fcode;
902 :     Data.rounding = pParam->m_rounding_type;
903 :     Data.qpel = (current->vol_flags & XVID_VOL_QUARTERPEL ? 1:0);
904 :     Data.chroma = MotionFlags & XVID_ME_CHROMA_PVOP;
905 :     Data.rrv = (current->vop_flags & XVID_VOP_REDUCED) ? 1:0;
906 :     Data.dctSpace = dct_space;
907 :     Data.quant_type = !(pParam->vol_flags & XVID_VOL_MPEGQUANT);
908 : edgomez 1230 Data.mpeg_quant_matrices = pParam->mpeg_quant_matrices;
909 : syskin 1215 Data.iMinSAD2 = 0;
910 : edgomez 1142
911 :     if ((current->vop_flags & XVID_VOP_REDUCED)) {
912 :     mb_width = (pParam->width + 31) / 32;
913 :     mb_height = (pParam->height + 31) / 32;
914 :     Data.qpel = 0;
915 :     }
916 :    
917 :     Data.RefQ = pRefV->u; /* a good place, also used in MC (for similar purpose) */
918 :     if (sadInit) (*sadInit) ();
919 :    
920 :     for (y = 0; y < mb_height; y++) {
921 :     for (x = 0; x < mb_width; x++) {
922 :     MACROBLOCK *pMB = &pMBs[x + y * pParam->mb_width];
923 :     MACROBLOCK *prevMB = &reference->mbs[x + y * pParam->mb_width];
924 :    
925 :     if (!Data.rrv) pMB->sad16 =
926 :     sad16v(pCurrent->y + (x + y * iEdgedWidth) * 16,
927 :     pRef->y + (x + y * iEdgedWidth) * 16,
928 :     pParam->edged_width, pMB->sad8 );
929 :    
930 :     else pMB->sad16 =
931 :     sad32v_c(pCurrent->y + (x + y * iEdgedWidth) * 32,
932 :     pRef->y + (x + y * iEdgedWidth) * 32,
933 :     pParam->edged_width, pMB->sad8 );
934 :    
935 :     if (Data.chroma) {
936 : syskin 1215 Data.chromaSAD = sad8(pCurrent->u + x*8 + y*(iEdgedWidth/2)*8,
937 : edgomez 1142 pRef->u + x*8 + y*(iEdgedWidth/2)*8, iEdgedWidth/2)
938 :     + sad8(pCurrent->v + (x + y*(iEdgedWidth/2))*8,
939 :     pRef->v + (x + y*(iEdgedWidth/2))*8, iEdgedWidth/2);
940 : syskin 1215 pMB->sad16 += Data.chromaSAD;
941 : edgomez 1142 }
942 :    
943 :     sad00 = pMB->sad16;
944 :    
945 :     /* initial skip decision */
946 :     /* no early skip for GMC (global vector = skip vector is unknown!) */
947 :     if (current->coding_type != S_VOP) { /* no fast SKIP for S(GMC)-VOPs */
948 :     if (pMB->dquant == 0 && sad00 < pMB->quant * skip_thresh)
949 :     if (Data.chroma || xvid_me_SkipDecisionP(pCurrent, pRef, x, y, iEdgedWidth/2, pMB->quant, Data.rrv)) {
950 :     ZeroMacroblockP(pMB, sad00);
951 :     pMB->mode = MODE_NOT_CODED;
952 :     continue;
953 :     }
954 :     }
955 :    
956 :     if(MotionFlags & XVID_ME_DETECT_STATIC_MOTION) {
957 :     if(x > 0 && y > 0 && x < pParam->mb_width) {
958 :     if(MVequal((&pMBs[(x-1) + y * pParam->mb_width])->mvs[0], zeroMV) &&
959 :     MVequal((&pMBs[x + (y-1) * pParam->mb_width])->mvs[0], zeroMV) &&
960 :     MVequal((&pMBs[(x+1) + (y-1) * pParam->mb_width])->mvs[0], zeroMV) &&
961 :     MVequal(prevMB->mvs[0], zeroMV)) {
962 :     stat_thresh = MAX((&pMBs[(x-1) + y * pParam->mb_width])->sad16,
963 :     MAX((&pMBs[x + (y-1) * pParam->mb_width])->sad16,
964 :     MAX((&pMBs[(x+1) + (y-1) * pParam->mb_width])->sad16,
965 :     prevMB->sad16)));
966 : edgomez 1195 } else {
967 : Isibaar 1194 stat_thresh = MIN((&pMBs[(x-1) + y * pParam->mb_width])->sad16,
968 : edgomez 1142 MIN((&pMBs[x + (y-1) * pParam->mb_width])->sad16,
969 :     MIN((&pMBs[(x+1) + (y-1) * pParam->mb_width])->sad16,
970 :     prevMB->sad16)));
971 : Isibaar 1194 }
972 : edgomez 1142 }
973 :     }
974 :    
975 :     /* favorize (0,0) vector for cartoons */
976 :     if ((current->vop_flags & XVID_VOP_CARTOON) &&
977 :     ((sad00 < pMB->quant * 4 * skip_thresh) || (sad00 < stat_thresh))) {
978 :     ZeroMacroblockP(pMB, sad00);
979 :     continue;
980 :     }
981 :    
982 :     SearchP(pRef, pRefH->y, pRefV->y, pRefHV->y, pCurrent, x,
983 :     y, MotionFlags, current->vop_flags,
984 :     &Data, pParam, pMBs, reference->mbs, pMB);
985 :    
986 :     if (current->vop_flags & XVID_VOP_MODEDECISION_RD)
987 :     xvid_me_ModeDecision_RD(&Data, pMB, pMBs, x, y, pParam,
988 :     MotionFlags, current->vop_flags, current->vol_flags,
989 :     pCurrent, pRef, pGMC, current->coding_type);
990 :    
991 :     else if (current->vop_flags & XVID_VOP_FAST_MODEDECISION_RD)
992 :     xvid_me_ModeDecision_Fast(&Data, pMB, pMBs, x, y, pParam,
993 :     MotionFlags, current->vop_flags, current->vol_flags,
994 :     pCurrent, pRef, pGMC, current->coding_type);
995 :     else
996 :     ModeDecision_SAD(&Data, pMB, pMBs, x, y, pParam,
997 :     MotionFlags, current->vop_flags, current->vol_flags,
998 :     pCurrent, pRef, pGMC, current->coding_type);
999 :    
1000 :    
1001 :     if (pMB->mode == MODE_INTRA)
1002 :     if (++iIntra > iLimit) return 1;
1003 :     }
1004 :     }
1005 :     return 0;
1006 :     }
1007 :    
1008 :    

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