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1 : edgomez 1.2 /*****************************************************************************
2 :     *
3 :     * XVID MPEG-4 VIDEO CODEC
4 :     * - Motion Estimation for B-VOPs -
5 :     *
6 :     * Copyright(C) 2002 Christoph Lampert <gruel@web.de>
7 : Isibaar 1.26 * 2002-2010 Michael Militzer <michael@xvid.org>
8 : edgomez 1.2 * 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 : Isibaar 1.29 * $Id: estimation_bvop.c,v 1.28 2010/12/24 13:21:35 Isibaar Exp $
25 : edgomez 1.2 *
26 :     ****************************************************************************/
27 :    
28 :    
29 :     #include <assert.h>
30 :     #include <stdio.h>
31 :     #include <stdlib.h>
32 :     #include <string.h> /* memcpy */
33 :    
34 :     #include "../encoder.h"
35 :     #include "../global.h"
36 :     #include "../image/interpolate8x8.h"
37 :     #include "estimation.h"
38 :     #include "motion.h"
39 :     #include "sad.h"
40 :     #include "motion_inlines.h"
41 :    
42 :     static int32_t
43 :     ChromaSAD2(const int fx, const int fy, const int bx, const int by,
44 :     SearchData * const data)
45 :     {
46 :     int sad;
47 :     const uint32_t stride = data->iEdgedWidth/2;
48 :     uint8_t *f_refu, *f_refv, *b_refu, *b_refv;
49 : syskin 1.3 int offset, filter;
50 : edgomez 1.2
51 :     const INTERPOLATE8X8_PTR interpolate8x8_halfpel[] = {
52 :     NULL,
53 :     interpolate8x8_halfpel_v,
54 :     interpolate8x8_halfpel_h,
55 :     interpolate8x8_halfpel_hv
56 :     };
57 : syskin 1.3
58 : syskin 1.4 if (data->chromaX == fx && data->chromaY == fy &&
59 :     data->b_chromaX == bx && data->b_chromaY == by)
60 :     return data->chromaSAD;
61 :    
62 : syskin 1.3 offset = (fx>>1) + (fy>>1)*stride;
63 :     filter = ((fx & 1) << 1) | (fy & 1);
64 : edgomez 1.2
65 :     if (filter != 0) {
66 : syskin 1.6 f_refu = data->RefQ + 64;
67 :     f_refv = data->RefQ + 64 + 8;
68 : syskin 1.4 if (data->chromaX != fx || data->chromaY != fy) {
69 :     interpolate8x8_halfpel[filter](f_refu, data->RefP[4] + offset, stride, data->rounding);
70 :     interpolate8x8_halfpel[filter](f_refv, data->RefP[5] + offset, stride, data->rounding);
71 :     }
72 : edgomez 1.2 } else {
73 :     f_refu = (uint8_t*)data->RefP[4] + offset;
74 :     f_refv = (uint8_t*)data->RefP[5] + offset;
75 :     }
76 : syskin 1.4 data->chromaX = fx; data->chromaY = fy;
77 : edgomez 1.2
78 :     offset = (bx>>1) + (by>>1)*stride;
79 :     filter = ((bx & 1) << 1) | (by & 1);
80 :    
81 :     if (filter != 0) {
82 : syskin 1.6 b_refu = data->RefQ + 64 + 16;
83 :     b_refv = data->RefQ + 64 + 24;
84 : syskin 1.4 if (data->b_chromaX != bx || data->b_chromaY != by) {
85 :     interpolate8x8_halfpel[filter](b_refu, data->b_RefP[4] + offset, stride, data->rounding);
86 :     interpolate8x8_halfpel[filter](b_refv, data->b_RefP[5] + offset, stride, data->rounding);
87 :     }
88 : edgomez 1.2 } else {
89 :     b_refu = (uint8_t*)data->b_RefP[4] + offset;
90 :     b_refv = (uint8_t*)data->b_RefP[5] + offset;
91 :     }
92 : syskin 1.4 data->b_chromaX = bx; data->b_chromaY = by;
93 : edgomez 1.2
94 :     sad = sad8bi(data->CurU, b_refu, f_refu, stride);
95 :     sad += sad8bi(data->CurV, b_refv, f_refv, stride);
96 :    
97 : syskin 1.4 data->chromaSAD = sad;
98 : edgomez 1.2 return sad;
99 :     }
100 :    
101 :     static void
102 :     CheckCandidateInt(const int x, const int y, SearchData * const data, const unsigned int Direction)
103 :     {
104 :     int32_t sad, xf, yf, xb, yb, xcf, ycf, xcb, ycb;
105 :     uint32_t t;
106 : syskin 1.3
107 : edgomez 1.2 const uint8_t *ReferenceF, *ReferenceB;
108 :     VECTOR *current;
109 :    
110 :     if ((x > data->max_dx) || (x < data->min_dx) ||
111 :     (y > data->max_dy) || (y < data->min_dy))
112 :     return;
113 :    
114 :     if (Direction == 1) { /* x and y mean forward vector */
115 :     VECTOR backward = data->qpel_precision ? data->currentQMV[1] : data->currentMV[1];
116 :     xb = backward.x;
117 :     yb = backward.y;
118 :     xf = x; yf = y;
119 :     } else { /* x and y mean backward vector */
120 :     VECTOR forward = data->qpel_precision ? data->currentQMV[0] : data->currentMV[0];
121 :     xf = forward.x;
122 :     yf = forward.y;
123 :     xb = x; yb = y;
124 :     }
125 : syskin 1.7
126 : edgomez 1.2 if (!data->qpel_precision) {
127 :     ReferenceF = GetReference(xf, yf, data);
128 :     ReferenceB = GetReferenceB(xb, yb, 1, data);
129 :     current = data->currentMV + Direction - 1;
130 :     xcf = xf; ycf = yf;
131 :     xcb = xb; ycb = yb;
132 :     } else {
133 :     ReferenceF = xvid_me_interpolate16x16qpel(xf, yf, 0, data);
134 :     current = data->currentQMV + Direction - 1;
135 :     ReferenceB = xvid_me_interpolate16x16qpel(xb, yb, 1, data);
136 :     xcf = xf/2; ycf = yf/2;
137 :     xcb = xb/2; ycb = yb/2;
138 :     }
139 :    
140 : syskin 1.17 t = d_mv_bits(xf, yf, data->predMV, data->iFcode, data->qpel^data->qpel_precision)
141 :     + d_mv_bits(xb, yb, data->bpredMV, data->iFcode, data->qpel^data->qpel_precision);
142 : edgomez 1.2
143 :     sad = sad16bi(data->Cur, ReferenceF, ReferenceB, data->iEdgedWidth);
144 : Isibaar 1.23 sad += (data->lambda16 * t);
145 : edgomez 1.2
146 :     if (data->chroma && sad < *data->iMinSAD)
147 :     sad += ChromaSAD2((xcf >> 1) + roundtab_79[xcf & 0x3],
148 :     (ycf >> 1) + roundtab_79[ycf & 0x3],
149 :     (xcb >> 1) + roundtab_79[xcb & 0x3],
150 :     (ycb >> 1) + roundtab_79[ycb & 0x3], data);
151 :    
152 :     if (sad < *(data->iMinSAD)) {
153 :     *data->iMinSAD = sad;
154 :     current->x = x; current->y = y;
155 :     data->dir = Direction;
156 :     }
157 :     }
158 :    
159 :     static void
160 :     CheckCandidateDirect(const int x, const int y, SearchData * const data, const unsigned int Direction)
161 :     {
162 :     int32_t sad = 0, xcf = 0, ycf = 0, xcb = 0, ycb = 0;
163 :     uint32_t k;
164 :     const uint8_t *ReferenceF;
165 :     const uint8_t *ReferenceB;
166 :     VECTOR mvs, b_mvs;
167 : syskin 1.7 const int blocks[4] = {0, 8, 8*data->iEdgedWidth, 8*data->iEdgedWidth+8};
168 : edgomez 1.2
169 :     if (( x > 31) || ( x < -32) || ( y > 31) || (y < -32)) return;
170 :    
171 :     for (k = 0; k < 4; k++) {
172 :     mvs.x = data->directmvF[k].x + x;
173 :     b_mvs.x = ((x == 0) ?
174 :     data->directmvB[k].x
175 :     : mvs.x - data->referencemv[k].x);
176 :    
177 :     mvs.y = data->directmvF[k].y + y;
178 :     b_mvs.y = ((y == 0) ?
179 :     data->directmvB[k].y
180 :     : mvs.y - data->referencemv[k].y);
181 :    
182 :     if ((mvs.x > data->max_dx) || (mvs.x < data->min_dx) ||
183 :     (mvs.y > data->max_dy) || (mvs.y < data->min_dy) ||
184 :     (b_mvs.x > data->max_dx) || (b_mvs.x < data->min_dx) ||
185 :     (b_mvs.y > data->max_dy) || (b_mvs.y < data->min_dy) )
186 :     return;
187 :    
188 :     if (data->qpel) {
189 :     xcf += mvs.x/2; ycf += mvs.y/2;
190 :     xcb += b_mvs.x/2; ycb += b_mvs.y/2;
191 : syskin 1.7 if (data->qpel_precision) {
192 :     ReferenceF = xvid_me_interpolate8x8qpel(mvs.x, mvs.y, k, 0, data);
193 :     ReferenceB = xvid_me_interpolate8x8qpel(b_mvs.x, b_mvs.y, k, 1, data);
194 :     goto done;
195 :     }
196 :     mvs.x >>=1; mvs.y >>=1; b_mvs.x >>=1; b_mvs.y >>=1; // qpel->hpel
197 : edgomez 1.2 } else {
198 :     xcf += mvs.x; ycf += mvs.y;
199 :     xcb += b_mvs.x; ycb += b_mvs.y;
200 :     }
201 : syskin 1.7 ReferenceF = GetReference(mvs.x, mvs.y, data) + blocks[k];
202 :     ReferenceB = GetReferenceB(b_mvs.x, b_mvs.y, 1, data) + blocks[k];
203 :     done:
204 : syskin 1.4 sad += data->iMinSAD[k+1] =
205 : syskin 1.7 sad8bi(data->Cur + blocks[k],
206 : syskin 1.4 ReferenceF, ReferenceB, data->iEdgedWidth);
207 : edgomez 1.2 if (sad > *(data->iMinSAD)) return;
208 :     }
209 :    
210 : Isibaar 1.23 sad += (data->lambda16 * d_mv_bits(x, y, zeroMV, 1, 0));
211 : edgomez 1.2
212 :     if (data->chroma && sad < *data->iMinSAD)
213 :     sad += ChromaSAD2((xcf >> 3) + roundtab_76[xcf & 0xf],
214 :     (ycf >> 3) + roundtab_76[ycf & 0xf],
215 :     (xcb >> 3) + roundtab_76[xcb & 0xf],
216 :     (ycb >> 3) + roundtab_76[ycb & 0xf], data);
217 :    
218 :     if (sad < *(data->iMinSAD)) {
219 :     data->iMinSAD[0] = sad;
220 :     data->currentMV->x = x; data->currentMV->y = y;
221 :     data->dir = Direction;
222 :     }
223 :     }
224 :    
225 :     static void
226 :     CheckCandidateDirectno4v(const int x, const int y, SearchData * const data, const unsigned int Direction)
227 :     {
228 :     int32_t sad, xcf, ycf, xcb, ycb;
229 :     const uint8_t *ReferenceF;
230 :     const uint8_t *ReferenceB;
231 :     VECTOR mvs, b_mvs;
232 :    
233 :     if (( x > 31) || ( x < -32) || ( y > 31) || (y < -32)) return;
234 :    
235 :     mvs.x = data->directmvF[0].x + x;
236 :     b_mvs.x = ((x == 0) ?
237 :     data->directmvB[0].x
238 :     : mvs.x - data->referencemv[0].x);
239 :    
240 :     mvs.y = data->directmvF[0].y + y;
241 :     b_mvs.y = ((y == 0) ?
242 :     data->directmvB[0].y
243 :     : mvs.y - data->referencemv[0].y);
244 :    
245 :     if ( (mvs.x > data->max_dx) || (mvs.x < data->min_dx)
246 :     || (mvs.y > data->max_dy) || (mvs.y < data->min_dy)
247 :     || (b_mvs.x > data->max_dx) || (b_mvs.x < data->min_dx)
248 :     || (b_mvs.y > data->max_dy) || (b_mvs.y < data->min_dy) ) return;
249 :    
250 :     if (data->qpel) {
251 :     xcf = 4*(mvs.x/2); ycf = 4*(mvs.y/2);
252 :     xcb = 4*(b_mvs.x/2); ycb = 4*(b_mvs.y/2);
253 : syskin 1.7 if (data->qpel_precision) {
254 :     ReferenceF = xvid_me_interpolate16x16qpel(mvs.x, mvs.y, 0, data);
255 :     ReferenceB = xvid_me_interpolate16x16qpel(b_mvs.x, b_mvs.y, 1, data);
256 :     goto done;
257 :     }
258 :     mvs.x >>=1; mvs.y >>=1; b_mvs.x >>=1; b_mvs.y >>=1; // qpel->hpel
259 : edgomez 1.2 } else {
260 :     xcf = 4*mvs.x; ycf = 4*mvs.y;
261 :     xcb = 4*b_mvs.x; ycb = 4*b_mvs.y;
262 :     }
263 : syskin 1.7 ReferenceF = GetReference(mvs.x, mvs.y, data);
264 :     ReferenceB = GetReferenceB(b_mvs.x, b_mvs.y, 1, data);
265 : edgomez 1.2
266 : syskin 1.7 done:
267 : edgomez 1.2 sad = sad16bi(data->Cur, ReferenceF, ReferenceB, data->iEdgedWidth);
268 : Isibaar 1.23 sad += (data->lambda16 * d_mv_bits(x, y, zeroMV, 1, 0));
269 : edgomez 1.2
270 :     if (data->chroma && sad < *data->iMinSAD)
271 :     sad += ChromaSAD2((xcf >> 3) + roundtab_76[xcf & 0xf],
272 :     (ycf >> 3) + roundtab_76[ycf & 0xf],
273 :     (xcb >> 3) + roundtab_76[xcb & 0xf],
274 :     (ycb >> 3) + roundtab_76[ycb & 0xf], data);
275 :    
276 :     if (sad < *(data->iMinSAD)) {
277 :     *(data->iMinSAD) = sad;
278 :     data->currentMV->x = x; data->currentMV->y = y;
279 :     data->dir = Direction;
280 :     }
281 :     }
282 :    
283 :     void
284 :     CheckCandidate16no4v(const int x, const int y, SearchData * const data, const unsigned int Direction)
285 :     {
286 :     int32_t sad, xc, yc;
287 :     const uint8_t * Reference;
288 :     uint32_t t;
289 :     VECTOR * current;
290 :    
291 :     if ( (x > data->max_dx) || ( x < data->min_dx)
292 :     || (y > data->max_dy) || (y < data->min_dy) ) return;
293 :    
294 :     if (data->qpel_precision) { /* x and y are in 1/4 precision */
295 :     Reference = xvid_me_interpolate16x16qpel(x, y, 0, data);
296 :     current = data->currentQMV;
297 :     xc = x/2; yc = y/2;
298 :     } else {
299 :     Reference = GetReference(x, y, data);
300 :     current = data->currentMV;
301 :     xc = x; yc = y;
302 :     }
303 :     t = d_mv_bits(x, y, data->predMV, data->iFcode,
304 : syskin 1.17 data->qpel^data->qpel_precision);
305 : edgomez 1.2
306 :     sad = sad16(data->Cur, Reference, data->iEdgedWidth, 256*4096);
307 : Isibaar 1.23 sad += (data->lambda16 * t);
308 : edgomez 1.2
309 :     if (data->chroma && sad < *data->iMinSAD)
310 :     sad += xvid_me_ChromaSAD((xc >> 1) + roundtab_79[xc & 0x3],
311 :     (yc >> 1) + roundtab_79[yc & 0x3], data);
312 :    
313 :     if (sad < *(data->iMinSAD)) {
314 :     *(data->iMinSAD) = sad;
315 :     current->x = x; current->y = y;
316 :     data->dir = Direction;
317 :     }
318 :     }
319 :    
320 : syskin 1.7
321 :     static void
322 :     initialize_searchData(SearchData * Data_d,
323 :     SearchData * Data_f,
324 :     SearchData * Data_b,
325 :     SearchData * Data_i,
326 :     int x, int y,
327 :     const IMAGE * const f_Ref,
328 :     const uint8_t * const f_RefH,
329 :     const uint8_t * const f_RefV,
330 :     const uint8_t * const f_RefHV,
331 :     const IMAGE * const b_Ref,
332 :     const uint8_t * const b_RefH,
333 :     const uint8_t * const b_RefV,
334 :     const uint8_t * const b_RefHV,
335 :     const IMAGE * const pCur,
336 :     const MACROBLOCK * const b_mb)
337 :     {
338 :    
339 :     /* per-macroblock SearchData initialization - too many things would be repeated 4 times */
340 :     const uint8_t * RefP[6], * b_RefP[6], * Cur[3];
341 :     const uint32_t iEdgedWidth = Data_d->iEdgedWidth;
342 :     unsigned int lambda;
343 :     int i;
344 :    
345 :     /* luma */
346 :     int offset = (x + iEdgedWidth*y) * 16;
347 :     RefP[0] = f_Ref->y + offset;
348 :     RefP[2] = f_RefH + offset;
349 :     RefP[1] = f_RefV + offset;
350 :     RefP[3] = f_RefHV + offset;
351 :     b_RefP[0] = b_Ref->y + offset;
352 :     b_RefP[2] = b_RefH + offset;
353 :     b_RefP[1] = b_RefV + offset;
354 :     b_RefP[3] = b_RefHV + offset;
355 :     Cur[0] = pCur->y + offset;
356 :    
357 :     /* chroma */
358 :     offset = (x + (iEdgedWidth/2)*y) * 8;
359 :     RefP[4] = f_Ref->u + offset;
360 :     RefP[5] = f_Ref->v + offset;
361 :     b_RefP[4] = b_Ref->u + offset;
362 :     b_RefP[5] = b_Ref->v + offset;
363 :     Cur[1] = pCur->u + offset;
364 :     Cur[2] = pCur->v + offset;
365 :    
366 :     lambda = xvid_me_lambda_vec16[b_mb->quant];
367 :    
368 :     for (i = 0; i < 6; i++) {
369 :     Data_d->RefP[i] = Data_f->RefP[i] = Data_i->RefP[i] = RefP[i];
370 :     Data_d->b_RefP[i] = Data_b->RefP[i] = Data_i->b_RefP[i] = b_RefP[i];
371 :     }
372 :     Data_d->Cur = Data_f->Cur = Data_b->Cur = Data_i->Cur = Cur[0];
373 :     Data_d->CurU = Data_f->CurU = Data_b->CurU = Data_i->CurU = Cur[1];
374 :     Data_d->CurV = Data_f->CurV = Data_b->CurV = Data_i->CurV = Cur[2];
375 :    
376 : syskin 1.11 Data_d->lambda16 = Data_f->lambda16 = Data_b->lambda16 = Data_i->lambda16 = lambda;
377 : syskin 1.7
378 :     /* reset chroma-sad cache */
379 :     Data_d->b_chromaX = Data_d->b_chromaY = Data_d->chromaX = Data_d->chromaY = Data_d->chromaSAD = 256*4096;
380 :     Data_i->b_chromaX = Data_i->b_chromaY = Data_i->chromaX = Data_i->chromaY = Data_i->chromaSAD = 256*4096;
381 :     Data_f->chromaX = Data_f->chromaY = Data_f->chromaSAD = 256*4096;
382 :     Data_b->chromaX = Data_b->chromaY = Data_b->chromaSAD = 256*4096;
383 :    
384 :     *Data_d->iMinSAD = *Data_b->iMinSAD = *Data_f->iMinSAD = *Data_i->iMinSAD = 4096*256;
385 :     }
386 :    
387 : edgomez 1.2 static __inline VECTOR
388 :     ChoosePred(const MACROBLOCK * const pMB, const uint32_t mode)
389 :     {
390 :     /* the stupidiest function ever */
391 :     return (mode == MODE_FORWARD ? pMB->mvs[0] : pMB->b_mvs[0]);
392 :     }
393 :    
394 :     static void __inline
395 :     PreparePredictionsBF(VECTOR * const pmv, const int x, const int y,
396 :     const uint32_t iWcount,
397 :     const MACROBLOCK * const pMB,
398 : syskin 1.7 const uint32_t mode_curr,
399 : Isibaar 1.29 const VECTOR hint, const int bound)
400 : edgomez 1.2 {
401 : Isibaar 1.29 int lx, ly; /* left */
402 :     int tx, ty; /* top */
403 :     int rtx, rty; /* top-right */
404 :     int ltx, lty; /* top-left */
405 :     int lpos, tpos, rtpos, ltpos;
406 :    
407 :     lx = x - 1; ly = y;
408 :     tx = x; ty = y - 1;
409 :     rtx = x + 1; rty = y - 1;
410 :     ltx = x - 1; lty = y - 1;
411 :    
412 :     lpos = lx + ly * iWcount;
413 :     rtpos = rtx + rty * iWcount;
414 :     tpos = tx + ty * iWcount;
415 :     ltpos = ltx + lty * iWcount;
416 :    
417 :    
418 : edgomez 1.2 /* [0] is prediction */
419 : syskin 1.11 /* [1] is zero */
420 :     pmv[1].x = pmv[1].y = 0;
421 : edgomez 1.2
422 : syskin 1.7 pmv[2].x = hint.x; pmv[2].y = hint.y;
423 : edgomez 1.2
424 : Isibaar 1.29 if (rtpos >= bound && rtx < (int)iWcount) { /* [3] top-right neighbour */
425 : edgomez 1.2 pmv[3] = ChoosePred(pMB+1-iWcount, mode_curr);
426 :     } else pmv[3].x = pmv[3].y = 0;
427 :    
428 : Isibaar 1.29 if (tpos >= bound) {
429 :     pmv[4] = ChoosePred(pMB-iWcount, mode_curr); /* [4] top */
430 : edgomez 1.2 } else pmv[4].x = pmv[4].y = 0;
431 :    
432 : Isibaar 1.29 if (lpos >= bound && lx >= 0) {
433 :     pmv[5] = ChoosePred(pMB-1, mode_curr); /* [5] left */
434 : edgomez 1.2 } else pmv[5].x = pmv[5].y = 0;
435 :    
436 : Isibaar 1.29 if (ltpos >= bound && ltx >= 0) {
437 :     pmv[6] = ChoosePred(pMB-1-iWcount, mode_curr); /* [6] top-left */
438 : edgomez 1.2 } else pmv[6].x = pmv[6].y = 0;
439 :     }
440 :    
441 :     /* search backward or forward */
442 :     static void
443 : syskin 1.7 SearchBF_initial(const int x, const int y,
444 : edgomez 1.2 const uint32_t MotionFlags,
445 :     const uint32_t iFcode,
446 :     const MBParam * const pParam,
447 :     MACROBLOCK * const pMB,
448 :     const VECTOR * const predMV,
449 :     int32_t * const best_sad,
450 :     const int32_t mode_current,
451 : syskin 1.7 SearchData * const Data,
452 : Isibaar 1.29 VECTOR hint, const int bound)
453 : edgomez 1.2 {
454 :    
455 :     int i;
456 :     VECTOR pmv[7];
457 :     *Data->iMinSAD = MV_MAX_ERROR;
458 :     Data->qpel_precision = 0;
459 :    
460 :     Data->predMV = *predMV;
461 :    
462 :     get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 4,
463 : syskin 1.17 pParam->width, pParam->height, iFcode - Data->qpel, 1);
464 : edgomez 1.2
465 :     pmv[0] = Data->predMV;
466 : syskin 1.7 if (Data->qpel) {
467 :     pmv[0].x /= 2; pmv[0].y /= 2;
468 :     hint.x /= 2; hint.y /= 2;
469 :     }
470 : edgomez 1.2
471 : Isibaar 1.29 PreparePredictionsBF(pmv, x, y, pParam->mb_width, pMB, mode_current, hint, bound);
472 : edgomez 1.2
473 :     Data->currentMV->x = Data->currentMV->y = 0;
474 :    
475 :     /* main loop. checking all predictions */
476 :     for (i = 0; i < 7; i++)
477 :     if (!vector_repeats(pmv, i) )
478 :     CheckCandidate16no4v(pmv[i].x, pmv[i].y, Data, i);
479 :    
480 :     if (*Data->iMinSAD > 512) {
481 :     unsigned int mask = make_mask(pmv, 7, Data->dir);
482 :    
483 :     MainSearchFunc *MainSearchPtr;
484 :     if (MotionFlags & XVID_ME_USESQUARES16) MainSearchPtr = xvid_me_SquareSearch;
485 :     else if (MotionFlags & XVID_ME_ADVANCEDDIAMOND16) MainSearchPtr = xvid_me_AdvDiamondSearch;
486 :     else MainSearchPtr = xvid_me_DiamondSearch;
487 :    
488 :     MainSearchPtr(Data->currentMV->x, Data->currentMV->y, Data, mask, CheckCandidate16no4v);
489 :     }
490 :    
491 : syskin 1.7 if (Data->iMinSAD[0] < *best_sad) *best_sad = Data->iMinSAD[0];
492 :     }
493 : edgomez 1.2
494 : syskin 1.7 static void
495 :     SearchBF_final(const int x, const int y,
496 :     const uint32_t MotionFlags,
497 :     const MBParam * const pParam,
498 :     int32_t * const best_sad,
499 :     SearchData * const Data)
500 :     {
501 : syskin 1.3 if(!Data->qpel) {
502 :     /* halfpel mode */
503 :     if (MotionFlags & XVID_ME_HALFPELREFINE16)
504 : syskin 1.7 xvid_me_SubpelRefine(Data->currentMV[0], Data, CheckCandidate16no4v, 0);
505 : syskin 1.3 } else {
506 :     /* qpel mode */
507 :     if(MotionFlags & XVID_ME_FASTREFINE16) {
508 :     /* fast */
509 :     get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 4,
510 : syskin 1.17 pParam->width, pParam->height, Data->iFcode, 2);
511 : syskin 1.7 FullRefine_Fast(Data, CheckCandidate16no4v, 0);
512 :    
513 : syskin 1.3 } else {
514 : syskin 1.7
515 : syskin 1.3 Data->currentQMV->x = 2*Data->currentMV->x;
516 :     Data->currentQMV->y = 2*Data->currentMV->y;
517 :     if(MotionFlags & XVID_ME_QUARTERPELREFINE16) {
518 :     /* full */
519 :     if (MotionFlags & XVID_ME_HALFPELREFINE16) {
520 : syskin 1.7 xvid_me_SubpelRefine(Data->currentMV[0], Data, CheckCandidate16no4v, 0); /* hpel part */
521 : syskin 1.3 Data->currentQMV->x = 2*Data->currentMV->x;
522 :     Data->currentQMV->y = 2*Data->currentMV->y;
523 :     }
524 :     get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 4,
525 : syskin 1.17 pParam->width, pParam->height, Data->iFcode, 2);
526 : syskin 1.3 Data->qpel_precision = 1;
527 : syskin 1.7 xvid_me_SubpelRefine(Data->currentQMV[0], Data, CheckCandidate16no4v, 0); /* qpel part */
528 : syskin 1.3 }
529 : edgomez 1.2 }
530 :     }
531 : syskin 1.7 if (Data->iMinSAD[0] < *best_sad) *best_sad = Data->iMinSAD[0];
532 : edgomez 1.2
533 :     }
534 :    
535 :     static void
536 : syskin 1.7 SkipDecisionB(MACROBLOCK * const pMB, const SearchData * const Data)
537 : edgomez 1.2 {
538 :     int k;
539 :    
540 :     if (!Data->chroma) {
541 :     int dx = 0, dy = 0, b_dx = 0, b_dy = 0;
542 :     int32_t sum;
543 :     const uint32_t stride = Data->iEdgedWidth/2;
544 :     /* this is not full chroma compensation, only it's fullpel approximation. should work though */
545 :    
546 :     for (k = 0; k < 4; k++) {
547 :     dy += Data->directmvF[k].y >> Data->qpel;
548 :     dx += Data->directmvF[k].x >> Data->qpel;
549 :     b_dy += Data->directmvB[k].y >> Data->qpel;
550 :     b_dx += Data->directmvB[k].x >> Data->qpel;
551 :     }
552 :    
553 :     dy = (dy >> 3) + roundtab_76[dy & 0xf];
554 :     dx = (dx >> 3) + roundtab_76[dx & 0xf];
555 :     b_dy = (b_dy >> 3) + roundtab_76[b_dy & 0xf];
556 :     b_dx = (b_dx >> 3) + roundtab_76[b_dx & 0xf];
557 :    
558 : syskin 1.7 sum = sad8bi(Data->CurU,
559 : edgomez 1.16 Data->RefP[4] + (dy/2) * (int)stride + dx/2,
560 :     Data->b_RefP[4] + (b_dy/2) * (int)stride + b_dx/2,
561 : edgomez 1.2 stride);
562 :    
563 :     if (sum >= MAX_CHROMA_SAD_FOR_SKIP * (int)Data->iQuant) return; /* no skip */
564 :    
565 : syskin 1.7 sum += sad8bi(Data->CurV,
566 : edgomez 1.16 Data->RefP[5] + (dy/2) * (int)stride + dx/2,
567 :     Data->b_RefP[5] + (b_dy/2) * (int)stride + b_dx/2,
568 : edgomez 1.2 stride);
569 : syskin 1.8
570 :     if (sum >= MAX_CHROMA_SAD_FOR_SKIP * (int)Data->iQuant) return; /* no skip */
571 :     } else {
572 :     int sum = Data->chromaSAD; /* chroma-sad SAD caching keeps it there */
573 :    
574 : edgomez 1.2 if (sum >= MAX_CHROMA_SAD_FOR_SKIP * (int)Data->iQuant) return; /* no skip */
575 :     }
576 :    
577 :     /* skip */
578 :     pMB->mode = MODE_DIRECT_NONE_MV; /* skipped */
579 :     for (k = 0; k < 4; k++) {
580 :     pMB->qmvs[k] = pMB->mvs[k] = Data->directmvF[k];
581 :     pMB->b_qmvs[k] = pMB->b_mvs[k] = Data->directmvB[k];
582 : syskin 1.13 if (Data->qpel) {
583 :     pMB->mvs[k].x /= 2; pMB->mvs[k].y /= 2; /* it's a hint for future searches */
584 :     pMB->b_mvs[k].x /= 2; pMB->b_mvs[k].y /= 2;
585 :     }
586 : edgomez 1.2 }
587 :     }
588 :    
589 :     static uint32_t
590 : syskin 1.7 SearchDirect_initial(const int x, const int y,
591 : edgomez 1.2 const uint32_t MotionFlags,
592 :     const int32_t TRB, const int32_t TRD,
593 :     const MBParam * const pParam,
594 :     MACROBLOCK * const pMB,
595 :     const MACROBLOCK * const b_mb,
596 :     int32_t * const best_sad,
597 :     SearchData * const Data)
598 :    
599 :     {
600 :     int32_t skip_sad;
601 :     int k = (x + Data->iEdgedWidth*y) * 16;
602 :    
603 :     k = Data->qpel ? 4 : 2;
604 :     Data->max_dx = k * (pParam->width - x * 16);
605 :     Data->max_dy = k * (pParam->height - y * 16);
606 :     Data->min_dx = -k * (16 + x * 16);
607 :     Data->min_dy = -k * (16 + y * 16);
608 :    
609 :     Data->referencemv = Data->qpel ? b_mb->qmvs : b_mb->mvs;
610 :    
611 :     for (k = 0; k < 4; k++) {
612 : syskin 1.7 Data->directmvF[k].x = ((TRB * Data->referencemv[k].x) / TRD);
613 :     Data->directmvB[k].x = ((TRB - TRD) * Data->referencemv[k].x) / TRD;
614 :     Data->directmvF[k].y = ((TRB * Data->referencemv[k].y) / TRD);
615 :     Data->directmvB[k].y = ((TRB - TRD) * Data->referencemv[k].y) / TRD;
616 :    
617 :     if ( (Data->directmvB[k].x > Data->max_dx) | (Data->directmvB[k].x < Data->min_dx)
618 :     | (Data->directmvB[k].y > Data->max_dy) | (Data->directmvB[k].y < Data->min_dy) ) {
619 :    
620 :     Data->iMinSAD[0] = *best_sad = 256*4096; /* in that case, we won't use direct mode */
621 : edgomez 1.2 return 256*4096;
622 :     }
623 :     if (b_mb->mode != MODE_INTER4V) {
624 :     Data->directmvF[1] = Data->directmvF[2] = Data->directmvF[3] = Data->directmvF[0];
625 :     Data->directmvB[1] = Data->directmvB[2] = Data->directmvB[3] = Data->directmvB[0];
626 :     break;
627 :     }
628 :     }
629 : syskin 1.7 Data->qpel_precision = Data->qpel; /* this initial check is done with full precision, to find real
630 :     SKIP sad */
631 : edgomez 1.2
632 : syskin 1.4 CheckCandidateDirect(0, 0, Data, 255); /* will also fill iMinSAD[1..4] with 8x8 SADs */
633 : edgomez 1.2
634 :     /* initial (fast) skip decision */
635 : syskin 1.4 if (Data->iMinSAD[1] < (int)Data->iQuant * INITIAL_SKIP_THRESH
636 :     && Data->iMinSAD[2] < (int)Data->iQuant * INITIAL_SKIP_THRESH
637 :     && Data->iMinSAD[3] < (int)Data->iQuant * INITIAL_SKIP_THRESH
638 :     && Data->iMinSAD[4] < (int)Data->iQuant * INITIAL_SKIP_THRESH) {
639 : edgomez 1.2 /* possible skip */
640 : syskin 1.7 SkipDecisionB(pMB, Data);
641 : syskin 1.4 if (pMB->mode == MODE_DIRECT_NONE_MV)
642 :     return *Data->iMinSAD; /* skipped */
643 : edgomez 1.2 }
644 :    
645 : syskin 1.12 if (Data->chroma && Data->chromaSAD >= MAX_CHROMA_SAD_FOR_SKIP * (int)Data->iQuant) /* chroma doesn't allow skip */
646 :     skip_sad = 256*4096;
647 :     else
648 :     skip_sad = 4*MAX(MAX(Data->iMinSAD[1],Data->iMinSAD[2]), MAX(Data->iMinSAD[3],Data->iMinSAD[4]));
649 : syskin 1.4
650 : syskin 1.7 Data->currentMV[1].x = Data->directmvF[0].x + Data->currentMV->x; /* hints for forward and backward searches */
651 :     Data->currentMV[1].y = Data->directmvF[0].y + Data->currentMV->y;
652 : edgomez 1.2
653 : syskin 1.7 Data->currentMV[2].x = ((Data->currentMV->x == 0) ?
654 :     Data->directmvB[0].x
655 :     : Data->currentMV[1].x - Data->referencemv[0].x);
656 :    
657 :     Data->currentMV[2].y = ((Data->currentMV->y == 0) ?
658 :     Data->directmvB[0].y
659 :     : Data->currentMV[1].y - Data->referencemv[0].y);
660 :    
661 : syskin 1.15 *best_sad = Data->iMinSAD[0];
662 :    
663 : syskin 1.7 return skip_sad;
664 :     }
665 : edgomez 1.2
666 : syskin 1.7 static void
667 :     SearchDirect_final( const uint32_t MotionFlags,
668 :     const MACROBLOCK * const b_mb,
669 :     int32_t * const best_sad,
670 :     SearchData * const Data)
671 : edgomez 1.2
672 : syskin 1.7 {
673 :     CheckFunc * CheckCandidate = b_mb->mode == MODE_INTER4V ?
674 :     CheckCandidateDirect : CheckCandidateDirectno4v;
675 :     MainSearchFunc *MainSearchPtr;
676 : edgomez 1.2
677 : syskin 1.7 if (MotionFlags & XVID_ME_USESQUARES16) MainSearchPtr = xvid_me_SquareSearch;
678 :     else if (MotionFlags & XVID_ME_ADVANCEDDIAMOND16) MainSearchPtr = xvid_me_AdvDiamondSearch;
679 :     else MainSearchPtr = xvid_me_DiamondSearch;
680 : edgomez 1.2
681 : syskin 1.7 Data->qpel_precision = 0;
682 :     MainSearchPtr(0, 0, Data, 255, CheckCandidate);
683 : edgomez 1.2
684 : syskin 1.7 Data->qpel_precision = Data->qpel;
685 :     if(Data->qpel) {
686 :     *Data->iMinSAD = 256*4096; /* this old SAD was not real, it was in hpel precision */
687 :     CheckCandidate(Data->currentMV->x, Data->currentMV->y, Data, 255);
688 :     }
689 : edgomez 1.2
690 : syskin 1.7 xvid_me_SubpelRefine(Data->currentMV[0], Data, CheckCandidate, 0);
691 : edgomez 1.2
692 : syskin 1.7 if (Data->iMinSAD[0] < *best_sad) {
693 :     *best_sad = Data->iMinSAD[0];
694 : edgomez 1.2 }
695 : syskin 1.7
696 : edgomez 1.2 }
697 :    
698 :    
699 : syskin 1.7 static __inline void
700 :     set_range(int * range, SearchData * Data)
701 : edgomez 1.2 {
702 :     Data->min_dx = range[0];
703 :     Data->max_dx = range[1];
704 :     Data->min_dy = range[2];
705 :     Data->max_dy = range[3];
706 :     }
707 :    
708 :     static void
709 : syskin 1.7 SearchInterpolate_initial(
710 : edgomez 1.2 const int x, const int y,
711 :     const uint32_t MotionFlags,
712 :     const MBParam * const pParam,
713 :     const VECTOR * const f_predMV,
714 :     const VECTOR * const b_predMV,
715 :     int32_t * const best_sad,
716 : syskin 1.7 SearchData * const Data,
717 :     const VECTOR startF,
718 :     const VECTOR startB)
719 : edgomez 1.2
720 :     {
721 :     int b_range[4], f_range[4];
722 :    
723 :     Data->qpel_precision = 0;
724 : syskin 1.4
725 : edgomez 1.2 Data->predMV = *f_predMV;
726 :     Data->bpredMV = *b_predMV;
727 :    
728 : syskin 1.7 Data->currentMV[0] = startF;
729 :     Data->currentMV[1] = startB;
730 : edgomez 1.2
731 : syskin 1.17 get_range(f_range, f_range+1, f_range+2, f_range+3, x, y, 4, pParam->width, pParam->height, Data->iFcode - Data->qpel, 1);
732 :     get_range(b_range, b_range+1, b_range+2, b_range+3, x, y, 4, pParam->width, pParam->height, Data->bFcode - Data->qpel, 1);
733 : edgomez 1.2
734 :     if (Data->currentMV[0].x > f_range[1]) Data->currentMV[0].x = f_range[1];
735 :     if (Data->currentMV[0].x < f_range[0]) Data->currentMV[0].x = f_range[0];
736 :     if (Data->currentMV[0].y > f_range[3]) Data->currentMV[0].y = f_range[3];
737 :     if (Data->currentMV[0].y < f_range[2]) Data->currentMV[0].y = f_range[2];
738 :    
739 :     if (Data->currentMV[1].x > b_range[1]) Data->currentMV[1].x = b_range[1];
740 :     if (Data->currentMV[1].x < b_range[0]) Data->currentMV[1].x = b_range[0];
741 :     if (Data->currentMV[1].y > b_range[3]) Data->currentMV[1].y = b_range[3];
742 :     if (Data->currentMV[1].y < b_range[2]) Data->currentMV[1].y = b_range[2];
743 :    
744 :     set_range(f_range, Data);
745 :    
746 :     CheckCandidateInt(Data->currentMV[0].x, Data->currentMV[0].y, Data, 1);
747 :    
748 : syskin 1.7 if (Data->iMinSAD[0] < *best_sad) *best_sad = Data->iMinSAD[0];
749 :     }
750 :    
751 :     static void
752 :     SearchInterpolate_final(const int x, const int y,
753 :     const uint32_t MotionFlags,
754 :     const MBParam * const pParam,
755 :     int32_t * const best_sad,
756 :     SearchData * const Data)
757 :     {
758 :     int i, j;
759 :     int b_range[4], f_range[4];
760 :    
761 : syskin 1.17 get_range(f_range, f_range+1, f_range+2, f_range+3, x, y, 4, pParam->width, pParam->height, Data->iFcode - Data->qpel, 1);
762 :     get_range(b_range, b_range+1, b_range+2, b_range+3, x, y, 4, pParam->width, pParam->height, Data->bFcode - Data->qpel, 1);
763 : syskin 1.7
764 : edgomez 1.2 /* diamond */
765 :     do {
766 :     Data->dir = 0;
767 :     /* forward MV moves */
768 :     i = Data->currentMV[0].x; j = Data->currentMV[0].y;
769 :    
770 :     CheckCandidateInt(i + 1, j, Data, 1);
771 :     CheckCandidateInt(i, j + 1, Data, 1);
772 :     CheckCandidateInt(i - 1, j, Data, 1);
773 :     CheckCandidateInt(i, j - 1, Data, 1);
774 :    
775 :     /* backward MV moves */
776 :     set_range(b_range, Data);
777 :     i = Data->currentMV[1].x; j = Data->currentMV[1].y;
778 :    
779 :     CheckCandidateInt(i + 1, j, Data, 2);
780 :     CheckCandidateInt(i, j + 1, Data, 2);
781 :     CheckCandidateInt(i - 1, j, Data, 2);
782 :     CheckCandidateInt(i, j - 1, Data, 2);
783 :    
784 :     set_range(f_range, Data);
785 :    
786 :     } while (Data->dir != 0);
787 :    
788 :     /* qpel refinement */
789 :     if (Data->qpel) {
790 :     Data->qpel_precision = 1;
791 : syskin 1.7 get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy,
792 : syskin 1.17 x, y, 4, pParam->width, pParam->height, Data->iFcode, 2);
793 : edgomez 1.2
794 :     Data->currentQMV[0].x = 2 * Data->currentMV[0].x;
795 :     Data->currentQMV[0].y = 2 * Data->currentMV[0].y;
796 :     Data->currentQMV[1].x = 2 * Data->currentMV[1].x;
797 :     Data->currentQMV[1].y = 2 * Data->currentMV[1].y;
798 :    
799 : syskin 1.7 if (MotionFlags & XVID_ME_QUARTERPELREFINE16) {
800 :     xvid_me_SubpelRefine(Data->currentQMV[0], Data, CheckCandidateInt, 1);
801 : edgomez 1.2
802 : syskin 1.7 get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy,
803 : syskin 1.17 x, y, 4, pParam->width, pParam->height, Data->bFcode, 2);
804 : edgomez 1.2
805 : syskin 1.7 xvid_me_SubpelRefine(Data->currentQMV[1], Data, CheckCandidateInt, 2);
806 :     }
807 : edgomez 1.2 }
808 :    
809 : syskin 1.7 if (Data->iMinSAD[0] < *best_sad) *best_sad = Data->iMinSAD[0];
810 :     }
811 :    
812 :     static void
813 :     ModeDecision_BVOP_SAD(const SearchData * const Data_d,
814 :     const SearchData * const Data_b,
815 :     const SearchData * const Data_f,
816 :     const SearchData * const Data_i,
817 :     MACROBLOCK * const pMB,
818 :     const MACROBLOCK * const b_mb,
819 :     VECTOR * f_predMV,
820 : Isibaar 1.28 VECTOR * b_predMV,
821 :     int force_direct)
822 : syskin 1.7 {
823 :     int mode = MODE_DIRECT, k;
824 :     int best_sad, f_sad, b_sad, i_sad;
825 :     const int qpel = Data_d->qpel;
826 :    
827 :     /* evaluate cost of all modes - quite simple in SAD */
828 :     best_sad = Data_d->iMinSAD[0] + 1*Data_d->lambda16;
829 :     b_sad = Data_b->iMinSAD[0] + 3*Data_d->lambda16;
830 :     f_sad = Data_f->iMinSAD[0] + 4*Data_d->lambda16;
831 :     i_sad = Data_i->iMinSAD[0] + 2*Data_d->lambda16;
832 :    
833 : Isibaar 1.28 if (force_direct)
834 :     goto set_mode; /* bypass checks for non-direct modes */
835 :    
836 : syskin 1.7 if (b_sad < best_sad) {
837 :     mode = MODE_BACKWARD;
838 :     best_sad = b_sad;
839 :     }
840 :    
841 :     if (f_sad < best_sad) {
842 :     mode = MODE_FORWARD;
843 :     best_sad = f_sad;
844 :     }
845 :    
846 :     if (i_sad < best_sad) {
847 :     mode = MODE_INTERPOLATE;
848 :     best_sad = i_sad;
849 :     }
850 :    
851 : Isibaar 1.28 set_mode:
852 : syskin 1.7 pMB->sad16 = best_sad;
853 :     pMB->mode = mode;
854 : syskin 1.19 pMB->cbp = 63;
855 : syskin 1.7
856 :     switch (mode) {
857 :    
858 :     case MODE_DIRECT:
859 :     if (!qpel && b_mb->mode != MODE_INTER4V) pMB->mode = MODE_DIRECT_NO4V; /* for faster compensation */
860 :    
861 :     pMB->pmvs[3] = Data_d->currentMV[0];
862 :    
863 :     for (k = 0; k < 4; k++) {
864 :     pMB->mvs[k].x = Data_d->directmvF[k].x + Data_d->currentMV->x;
865 :     pMB->b_mvs[k].x = ( (Data_d->currentMV->x == 0)
866 :     ? Data_d->directmvB[k].x
867 :     :pMB->mvs[k].x - Data_d->referencemv[k].x);
868 :     pMB->mvs[k].y = (Data_d->directmvF[k].y + Data_d->currentMV->y);
869 :     pMB->b_mvs[k].y = ((Data_d->currentMV->y == 0)
870 :     ? Data_d->directmvB[k].y
871 :     : pMB->mvs[k].y - Data_d->referencemv[k].y);
872 :     if (qpel) {
873 :     pMB->qmvs[k].x = pMB->mvs[k].x; pMB->mvs[k].x /= 2;
874 :     pMB->b_qmvs[k].x = pMB->b_mvs[k].x; pMB->b_mvs[k].x /= 2;
875 :     pMB->qmvs[k].y = pMB->mvs[k].y; pMB->mvs[k].y /= 2;
876 :     pMB->b_qmvs[k].y = pMB->b_mvs[k].y; pMB->b_mvs[k].y /= 2;
877 :     }
878 :    
879 :     if (b_mb->mode != MODE_INTER4V) {
880 :     pMB->mvs[3] = pMB->mvs[2] = pMB->mvs[1] = pMB->mvs[0];
881 :     pMB->b_mvs[3] = pMB->b_mvs[2] = pMB->b_mvs[1] = pMB->b_mvs[0];
882 :     pMB->qmvs[3] = pMB->qmvs[2] = pMB->qmvs[1] = pMB->qmvs[0];
883 :     pMB->b_qmvs[3] = pMB->b_qmvs[2] = pMB->b_qmvs[1] = pMB->b_qmvs[0];
884 :     break;
885 :     }
886 :     }
887 :     break;
888 :    
889 :     case MODE_FORWARD:
890 :     if (qpel) {
891 :     pMB->pmvs[0].x = Data_f->currentQMV->x - f_predMV->x;
892 :     pMB->pmvs[0].y = Data_f->currentQMV->y - f_predMV->y;
893 :     pMB->qmvs[0] = *Data_f->currentQMV;
894 :     *f_predMV = Data_f->currentQMV[0];
895 :     } else {
896 :     pMB->pmvs[0].x = Data_f->currentMV->x - f_predMV->x;
897 :     pMB->pmvs[0].y = Data_f->currentMV->y - f_predMV->y;
898 :     *f_predMV = Data_f->currentMV[0];
899 :     }
900 :     pMB->mvs[0] = *Data_f->currentMV;
901 : syskin 1.11 pMB->b_mvs[0] = *Data_b->currentMV; /* hint for future searches */
902 : syskin 1.7 break;
903 :    
904 :     case MODE_BACKWARD:
905 :     if (qpel) {
906 :     pMB->pmvs[0].x = Data_b->currentQMV->x - b_predMV->x;
907 :     pMB->pmvs[0].y = Data_b->currentQMV->y - b_predMV->y;
908 :     pMB->b_qmvs[0] = *Data_b->currentQMV;
909 :     *b_predMV = Data_b->currentQMV[0];
910 :     } else {
911 :     pMB->pmvs[0].x = Data_b->currentMV->x - b_predMV->x;
912 :     pMB->pmvs[0].y = Data_b->currentMV->y - b_predMV->y;
913 :     *b_predMV = Data_b->currentMV[0];
914 :     }
915 :     pMB->b_mvs[0] = *Data_b->currentMV;
916 : syskin 1.11 pMB->mvs[0] = *Data_f->currentMV; /* hint for future searches */
917 : syskin 1.7 break;
918 :    
919 :    
920 :     case MODE_INTERPOLATE:
921 :     pMB->mvs[0] = Data_i->currentMV[0];
922 :     pMB->b_mvs[0] = Data_i->currentMV[1];
923 :     if (qpel) {
924 :     pMB->qmvs[0] = Data_i->currentQMV[0];
925 :     pMB->b_qmvs[0] = Data_i->currentQMV[1];
926 : edgomez 1.2 pMB->pmvs[1].x = pMB->qmvs[0].x - f_predMV->x;
927 :     pMB->pmvs[1].y = pMB->qmvs[0].y - f_predMV->y;
928 :     pMB->pmvs[0].x = pMB->b_qmvs[0].x - b_predMV->x;
929 :     pMB->pmvs[0].y = pMB->b_qmvs[0].y - b_predMV->y;
930 : syskin 1.7 *f_predMV = Data_i->currentQMV[0];
931 :     *b_predMV = Data_i->currentQMV[1];
932 : edgomez 1.2 } else {
933 :     pMB->pmvs[1].x = pMB->mvs[0].x - f_predMV->x;
934 :     pMB->pmvs[1].y = pMB->mvs[0].y - f_predMV->y;
935 :     pMB->pmvs[0].x = pMB->b_mvs[0].x - b_predMV->x;
936 :     pMB->pmvs[0].y = pMB->b_mvs[0].y - b_predMV->y;
937 : syskin 1.7 *f_predMV = Data_i->currentMV[0];
938 :     *b_predMV = Data_i->currentMV[1];
939 : edgomez 1.2 }
940 : syskin 1.7 break;
941 : edgomez 1.2 }
942 :     }
943 :    
944 : syskin 1.18 static __inline void
945 :     maxMotionBVOP(int * const MVmaxF, int * const MVmaxB, const MACROBLOCK * const pMB, const int qpel)
946 :     {
947 :     if (pMB->mode == MODE_FORWARD || pMB->mode == MODE_INTERPOLATE) {
948 :     const VECTOR * const mv = qpel ? pMB->qmvs : pMB->mvs;
949 :     int max = *MVmaxF;
950 :     if (mv[0].x > max) max = mv[0].x;
951 :     else if (-mv[0].x - 1 > max) max = -mv[0].x - 1;
952 :     if (mv[0].y > max) max = mv[0].y;
953 :     else if (-mv[0].y - 1 > max) max = -mv[0].y - 1;
954 :    
955 :     *MVmaxF = max;
956 :     }
957 :    
958 :     if (pMB->mode == MODE_BACKWARD || pMB->mode == MODE_INTERPOLATE) {
959 :     const VECTOR * const mv = qpel ? pMB->b_qmvs : pMB->b_mvs;
960 :     int max = *MVmaxB;
961 :     if (mv[0].x > max) max = mv[0].x;
962 :     else if (-mv[0].x - 1 > max) max = -mv[0].x - 1;
963 :     if (mv[0].y > max) max = mv[0].y;
964 :     else if (-mv[0].y - 1 > max) max = -mv[0].y - 1;
965 :     *MVmaxB = max;
966 :     }
967 :     }
968 :    
969 :    
970 : edgomez 1.2 void
971 :     MotionEstimationBVOP(MBParam * const pParam,
972 :     FRAMEINFO * const frame,
973 :     const int32_t time_bp,
974 :     const int32_t time_pp,
975 :     /* forward (past) reference */
976 :     const MACROBLOCK * const f_mbs,
977 :     const IMAGE * const f_ref,
978 :     const IMAGE * const f_refH,
979 :     const IMAGE * const f_refV,
980 :     const IMAGE * const f_refHV,
981 :     /* backward (future) reference */
982 :     const FRAMEINFO * const b_reference,
983 :     const IMAGE * const b_ref,
984 :     const IMAGE * const b_refH,
985 :     const IMAGE * const b_refV,
986 : Isibaar 1.28 const IMAGE * const b_refHV,
987 :     const int num_slices)
988 : edgomez 1.2 {
989 :     uint32_t i, j;
990 : edgomez 1.14 int32_t best_sad = 256*4096;
991 : edgomez 1.2 uint32_t skip_sad;
992 : syskin 1.21 int fb_thresh;
993 : edgomez 1.2 const MACROBLOCK * const b_mbs = b_reference->mbs;
994 :    
995 :     VECTOR f_predMV, b_predMV;
996 :    
997 : Isibaar 1.28 int mb_width = pParam->mb_width;
998 :     int mb_height = pParam->mb_height;
999 : syskin 1.18 int MVmaxF = 0, MVmaxB = 0;
1000 : edgomez 1.2 const int32_t TRB = time_pp - time_bp;
1001 :     const int32_t TRD = time_pp;
1002 : syskin 1.10 DECLARE_ALIGNED_MATRIX(dct_space, 3, 64, int16_t, CACHE_LINE);
1003 : edgomez 1.2
1004 :     /* some pre-inintialized data for the rest of the search */
1005 : syskin 1.7 SearchData Data_d, Data_f, Data_b, Data_i;
1006 :     memset(&Data_d, 0, sizeof(SearchData));
1007 : edgomez 1.2
1008 : syskin 1.7 Data_d.iEdgedWidth = pParam->edged_width;
1009 :     Data_d.qpel = pParam->vol_flags & XVID_VOL_QUARTERPEL ? 1 : 0;
1010 :     Data_d.rounding = 0;
1011 :     Data_d.chroma = frame->motion_flags & XVID_ME_CHROMA_BVOP;
1012 :     Data_d.iQuant = frame->quant;
1013 : syskin 1.20 Data_d.quant_sq = frame->quant*frame->quant;
1014 : syskin 1.10 Data_d.dctSpace = dct_space;
1015 :     Data_d.quant_type = !(pParam->vol_flags & XVID_VOL_MPEGQUANT);
1016 :     Data_d.mpeg_quant_matrices = pParam->mpeg_quant_matrices;
1017 : syskin 1.7
1018 :     Data_d.RefQ = f_refV->u; /* a good place, also used in MC (for similar purpose) */
1019 :    
1020 :     memcpy(&Data_f, &Data_d, sizeof(SearchData));
1021 :     memcpy(&Data_b, &Data_d, sizeof(SearchData));
1022 :     memcpy(&Data_i, &Data_d, sizeof(SearchData));
1023 : edgomez 1.2
1024 : syskin 1.18 Data_f.iFcode = Data_i.iFcode = frame->fcode = b_reference->fcode;
1025 :     Data_b.iFcode = Data_i.bFcode = frame->bcode = b_reference->fcode;
1026 : edgomez 1.2
1027 :     for (j = 0; j < pParam->mb_height; j++) {
1028 : Isibaar 1.28 int new_bound = mb_width * ((((j*num_slices) / mb_height) * mb_height + (num_slices-1)) / num_slices);
1029 : edgomez 1.2
1030 :     f_predMV = b_predMV = zeroMV; /* prediction is reset at left boundary */
1031 :    
1032 :     for (i = 0; i < pParam->mb_width; i++) {
1033 :     MACROBLOCK * const pMB = frame->mbs + i + j * pParam->mb_width;
1034 :     const MACROBLOCK * const b_mb = b_mbs + i + j * pParam->mb_width;
1035 : Isibaar 1.28 int force_direct = (((j*mb_width+i)==new_bound) && (j > 0)) ? 1 : 0; /* MTK decoder chipsets do NOT reset predMVs upon resync marker in BVOPs. We workaround this problem
1036 :     by placing the slice border on second MB in a row and then force the first MB to be direct mode */
1037 :    
1038 : syskin 1.7 pMB->mode = -1;
1039 :    
1040 :     initialize_searchData(&Data_d, &Data_f, &Data_b, &Data_i,
1041 :     i, j, f_ref, f_refH->y, f_refV->y, f_refHV->y,
1042 :     b_ref, b_refH->y, b_refV->y, b_refHV->y,
1043 :     &frame->image, b_mb);
1044 : edgomez 1.2
1045 :     /* special case, if collocated block is SKIPed in P-VOP: encoding is forward (0,0), cpb=0 without further ado */
1046 :     if (b_reference->coding_type != S_VOP)
1047 :     if (b_mb->mode == MODE_NOT_CODED) {
1048 :     pMB->mode = MODE_NOT_CODED;
1049 :     pMB->mvs[0] = pMB->b_mvs[0] = zeroMV;
1050 :     pMB->sad16 = 0;
1051 :     continue;
1052 :     }
1053 : syskin 1.3
1054 : edgomez 1.2 /* direct search comes first, because it (1) checks for SKIP-mode
1055 :     and (2) sets very good predictions for forward and backward search */
1056 : syskin 1.7 skip_sad = SearchDirect_initial(i, j, frame->motion_flags, TRB, TRD, pParam, pMB,
1057 :     b_mb, &best_sad, &Data_d);
1058 : edgomez 1.2
1059 :     if (pMB->mode == MODE_DIRECT_NONE_MV) {
1060 :     pMB->sad16 = best_sad;
1061 : syskin 1.19 pMB->cbp = 0;
1062 : edgomez 1.2 continue;
1063 :     }
1064 : syskin 1.11
1065 : syskin 1.7 SearchBF_initial(i, j, frame->motion_flags, frame->fcode, pParam, pMB,
1066 : Isibaar 1.29 &f_predMV, &best_sad, MODE_FORWARD, &Data_f, Data_d.currentMV[1], new_bound);
1067 : syskin 1.7
1068 :     SearchBF_initial(i, j, frame->motion_flags, frame->bcode, pParam, pMB,
1069 : Isibaar 1.29 &b_predMV, &best_sad, MODE_BACKWARD, &Data_b, Data_d.currentMV[2], new_bound);
1070 : syskin 1.7
1071 : syskin 1.21 if (frame->motion_flags&XVID_ME_BFRAME_EARLYSTOP)
1072 :     fb_thresh = best_sad;
1073 :     else
1074 :     fb_thresh = best_sad + (best_sad>>1);
1075 : syskin 1.7
1076 : syskin 1.21 if (Data_f.iMinSAD[0] <= fb_thresh)
1077 : syskin 1.7 SearchBF_final(i, j, frame->motion_flags, pParam, &best_sad, &Data_f);
1078 :    
1079 : syskin 1.21 if (Data_b.iMinSAD[0] <= fb_thresh)
1080 : syskin 1.7 SearchBF_final(i, j, frame->motion_flags, pParam, &best_sad, &Data_b);
1081 : edgomez 1.2
1082 : syskin 1.7 SearchInterpolate_initial(i, j, frame->motion_flags, pParam, &f_predMV, &b_predMV, &best_sad,
1083 :     &Data_i, Data_f.currentMV[0], Data_b.currentMV[0]);
1084 : edgomez 1.2
1085 : syskin 1.21 if (((Data_i.iMinSAD[0] < best_sad +(best_sad>>3)) && !(frame->motion_flags&XVID_ME_FAST_MODEINTERPOLATE))
1086 : edgomez 1.9 || Data_i.iMinSAD[0] <= best_sad)
1087 : edgomez 1.2
1088 : syskin 1.7 SearchInterpolate_final(i, j, frame->motion_flags, pParam, &best_sad, &Data_i);
1089 :    
1090 : syskin 1.21 if (Data_d.iMinSAD[0] <= 2*best_sad)
1091 :     if ((!(frame->motion_flags&XVID_ME_SKIP_DELTASEARCH) && (best_sad > 750))
1092 :     || (best_sad > 1000))
1093 :    
1094 :     SearchDirect_final(frame->motion_flags, b_mb, &best_sad, &Data_d);
1095 : edgomez 1.2
1096 :     /* final skip decision */
1097 : syskin 1.12 if ( (skip_sad < 2 * Data_d.iQuant * MAX_SAD00_FOR_SKIP )
1098 : syskin 1.7 && ((100*best_sad)/(skip_sad+1) > FINAL_SKIP_THRESH) ) {
1099 : edgomez 1.2
1100 : syskin 1.13 Data_d.chromaSAD = 0; /* green light for chroma check */
1101 :    
1102 :     SkipDecisionB(pMB, &Data_d);
1103 :    
1104 :     if (pMB->mode == MODE_DIRECT_NONE_MV) { /* skipped? */
1105 : syskin 1.12 pMB->sad16 = skip_sad;
1106 : syskin 1.19 pMB->cbp = 0;
1107 : syskin 1.7 continue;
1108 :     }
1109 : edgomez 1.2 }
1110 : syskin 1.7
1111 : syskin 1.10 if (frame->vop_flags & XVID_VOP_RD_BVOP)
1112 :     ModeDecision_BVOP_RD(&Data_d, &Data_b, &Data_f, &Data_i,
1113 : Isibaar 1.28 pMB, b_mb, &f_predMV, &b_predMV, frame->motion_flags, frame->vop_flags, pParam, i, j, best_sad, force_direct);
1114 : syskin 1.10 else
1115 : Isibaar 1.28 ModeDecision_BVOP_SAD(&Data_d, &Data_b, &Data_f, &Data_i, pMB, b_mb, &f_predMV, &b_predMV, force_direct);
1116 : syskin 1.7
1117 : syskin 1.18 maxMotionBVOP(&MVmaxF, &MVmaxB, pMB, Data_d.qpel);
1118 :    
1119 : edgomez 1.2 }
1120 :     }
1121 : syskin 1.18
1122 :     frame->fcode = getMinFcode(MVmaxF);
1123 :     frame->bcode = getMinFcode(MVmaxB);
1124 : edgomez 1.2 }
1125 : syskin 1.24
1126 :    
1127 :    
1128 :     void
1129 : Isibaar 1.27 SMPMotionEstimationBVOP(SMPData * h)
1130 : syskin 1.24 {
1131 : Isibaar 1.27 Encoder *pEnc = (Encoder *) h->pEnc;
1132 :    
1133 :     const MBParam * const pParam = &pEnc->mbParam;
1134 : syskin 1.24 const FRAMEINFO * const frame = h->current;
1135 : Isibaar 1.27 const int32_t time_bp = (int32_t)(pEnc->current->stamp - frame->stamp);
1136 :     const int32_t time_pp = (int32_t)(pEnc->current->stamp - pEnc->reference->stamp);
1137 : syskin 1.24 /* forward (past) reference */
1138 : Isibaar 1.27 const IMAGE * const f_ref = &pEnc->reference->image;
1139 :     const IMAGE * const f_refH = &pEnc->f_refh;
1140 :     const IMAGE * const f_refV = &pEnc->f_refv;
1141 :     const IMAGE * const f_refHV = &pEnc->f_refhv;
1142 : syskin 1.24 /* backward (future) reference */
1143 : Isibaar 1.27 const FRAMEINFO * const b_reference = pEnc->current;
1144 :     const IMAGE * const b_ref = &pEnc->current->image;
1145 :     const IMAGE * const b_refH = &pEnc->vInterH;
1146 :     const IMAGE * const b_refV = &pEnc->vInterV;
1147 :     const IMAGE * const b_refHV = &pEnc->vInterHV;
1148 : syskin 1.24
1149 : Isibaar 1.28 int mb_width = pParam->mb_width;
1150 :     int mb_height = pParam->mb_height;
1151 :     int num_slices = pEnc->num_slices;
1152 : Isibaar 1.27 int y_row = h->y_row;
1153 : syskin 1.24 int y_step = h->y_step;
1154 :     int start_y = h->start_y;
1155 : Isibaar 1.27 int stop_y = h->stop_y;
1156 : syskin 1.24 int * complete_count_self = h->complete_count_self;
1157 :     const int * complete_count_above = h->complete_count_above;
1158 :     int max_mbs;
1159 :     int current_mb = 0;
1160 :    
1161 : syskin 1.25 int32_t i, j;
1162 : syskin 1.24 int32_t best_sad = 256*4096;
1163 :     uint32_t skip_sad;
1164 :     int fb_thresh;
1165 :     const MACROBLOCK * const b_mbs = b_reference->mbs;
1166 :    
1167 :     VECTOR f_predMV, b_predMV;
1168 :    
1169 :     int MVmaxF = 0, MVmaxB = 0;
1170 :     const int32_t TRB = time_pp - time_bp;
1171 :     const int32_t TRD = time_pp;
1172 :     DECLARE_ALIGNED_MATRIX(dct_space, 3, 64, int16_t, CACHE_LINE);
1173 :    
1174 :     /* some pre-inintialized data for the rest of the search */
1175 :     SearchData Data_d, Data_f, Data_b, Data_i;
1176 :     memset(&Data_d, 0, sizeof(SearchData));
1177 :    
1178 :     Data_d.iEdgedWidth = pParam->edged_width;
1179 :     Data_d.qpel = pParam->vol_flags & XVID_VOL_QUARTERPEL ? 1 : 0;
1180 :     Data_d.rounding = 0;
1181 :     Data_d.chroma = frame->motion_flags & XVID_ME_CHROMA_BVOP;
1182 :     Data_d.iQuant = frame->quant;
1183 :     Data_d.quant_sq = frame->quant*frame->quant;
1184 :     Data_d.dctSpace = dct_space;
1185 :     Data_d.quant_type = !(pParam->vol_flags & XVID_VOL_MPEGQUANT);
1186 :     Data_d.mpeg_quant_matrices = pParam->mpeg_quant_matrices;
1187 :    
1188 :     Data_d.RefQ = h->RefQ;
1189 :    
1190 :     memcpy(&Data_f, &Data_d, sizeof(SearchData));
1191 :     memcpy(&Data_b, &Data_d, sizeof(SearchData));
1192 :     memcpy(&Data_i, &Data_d, sizeof(SearchData));
1193 :    
1194 :     Data_f.iFcode = Data_i.iFcode = frame->fcode;
1195 :     Data_b.iFcode = Data_i.bFcode = frame->bcode;
1196 :    
1197 :     max_mbs = 0;
1198 :    
1199 : Isibaar 1.27 for (j = (start_y+y_row); j < stop_y; j += y_step) {
1200 : Isibaar 1.28 int new_bound = mb_width * ((((j*num_slices) / mb_height) * mb_height + (num_slices-1)) / num_slices);
1201 :    
1202 : Isibaar 1.27 if (j == start_y) max_mbs = pParam->mb_width; /* we can process all blocks of the first row */
1203 : syskin 1.24
1204 :     f_predMV = b_predMV = zeroMV; /* prediction is reset at left boundary */
1205 :    
1206 : Isibaar 1.27 for (i = 0; i < (int) pParam->mb_width; i++) {
1207 : syskin 1.24 MACROBLOCK * const pMB = frame->mbs + i + j * pParam->mb_width;
1208 :     const MACROBLOCK * const b_mb = b_mbs + i + j * pParam->mb_width;
1209 : Isibaar 1.28 int force_direct = (((j*mb_width+i)==new_bound) && (j > 0)) ? 1 : 0; /* MTK decoder chipsets do NOT reset predMVs upon resync marker in BVOPs. We workaround this problem
1210 :     by placing the slice border on second MB in a row and then force the first MB to be direct mode */
1211 : syskin 1.24 pMB->mode = -1;
1212 :    
1213 :     initialize_searchData(&Data_d, &Data_f, &Data_b, &Data_i,
1214 :     i, j, f_ref, f_refH->y, f_refV->y, f_refHV->y,
1215 :     b_ref, b_refH->y, b_refV->y, b_refHV->y,
1216 :     &frame->image, b_mb);
1217 :    
1218 :     if (current_mb >= max_mbs) {
1219 :     /* we ME-ed all macroblocks we safely could. grab next portion */
1220 :     int above_count = *complete_count_above; /* sync point */
1221 :     if (above_count == pParam->mb_width) {
1222 :     /* full line above is ready */
1223 :     above_count = pParam->mb_width+1;
1224 : Isibaar 1.27 if (j < stop_y-y_step) {
1225 : syskin 1.24 /* this is not last line, grab a portion of MBs from the next line too */
1226 :     above_count += MAX(0, complete_count_above[1] - 1);
1227 :     }
1228 :     }
1229 :    
1230 :     max_mbs = current_mb + above_count - i - 1;
1231 :    
1232 :     if (current_mb >= max_mbs) {
1233 :     /* current workload is zero */
1234 :     i--;
1235 :     sched_yield();
1236 :     continue;
1237 :     }
1238 :     }
1239 :    
1240 :     /* special case, if collocated block is SKIPed in P-VOP: encoding is forward (0,0), cpb=0 without further ado */
1241 :     if (b_reference->coding_type != S_VOP)
1242 :     if (b_mb->mode == MODE_NOT_CODED) {
1243 :     pMB->mode = MODE_NOT_CODED;
1244 :     pMB->mvs[0] = pMB->b_mvs[0] = zeroMV;
1245 :     pMB->sad16 = 0;
1246 :     *complete_count_self = i+1;
1247 :     current_mb++;
1248 :     continue;
1249 :     }
1250 :    
1251 :     /* direct search comes first, because it (1) checks for SKIP-mode
1252 :     and (2) sets very good predictions for forward and backward search */
1253 :     skip_sad = SearchDirect_initial(i, j, frame->motion_flags, TRB, TRD, pParam, pMB,
1254 :     b_mb, &best_sad, &Data_d);
1255 :    
1256 :     if (pMB->mode == MODE_DIRECT_NONE_MV) {
1257 :     pMB->sad16 = best_sad;
1258 :     pMB->cbp = 0;
1259 :     *complete_count_self = i+1;
1260 :     current_mb++;
1261 :     continue;
1262 :     }
1263 :    
1264 :     SearchBF_initial(i, j, frame->motion_flags, frame->fcode, pParam, pMB,
1265 : Isibaar 1.29 &f_predMV, &best_sad, MODE_FORWARD, &Data_f, Data_d.currentMV[1], new_bound);
1266 : syskin 1.24
1267 :     SearchBF_initial(i, j, frame->motion_flags, frame->bcode, pParam, pMB,
1268 : Isibaar 1.29 &b_predMV, &best_sad, MODE_BACKWARD, &Data_b, Data_d.currentMV[2], new_bound);
1269 : syskin 1.24
1270 :     if (frame->motion_flags&XVID_ME_BFRAME_EARLYSTOP)
1271 :     fb_thresh = best_sad;
1272 :     else
1273 :     fb_thresh = best_sad + (best_sad>>1);
1274 :    
1275 :     if (Data_f.iMinSAD[0] <= fb_thresh)
1276 :     SearchBF_final(i, j, frame->motion_flags, pParam, &best_sad, &Data_f);
1277 :    
1278 :     if (Data_b.iMinSAD[0] <= fb_thresh)
1279 :     SearchBF_final(i, j, frame->motion_flags, pParam, &best_sad, &Data_b);
1280 :    
1281 :     SearchInterpolate_initial(i, j, frame->motion_flags, pParam, &f_predMV, &b_predMV, &best_sad,
1282 :     &Data_i, Data_f.currentMV[0], Data_b.currentMV[0]);
1283 :    
1284 :     if (((Data_i.iMinSAD[0] < best_sad +(best_sad>>3)) && !(frame->motion_flags&XVID_ME_FAST_MODEINTERPOLATE))
1285 :     || Data_i.iMinSAD[0] <= best_sad)
1286 :    
1287 :     SearchInterpolate_final(i, j, frame->motion_flags, pParam, &best_sad, &Data_i);
1288 :    
1289 :     if (Data_d.iMinSAD[0] <= 2*best_sad)
1290 :     if ((!(frame->motion_flags&XVID_ME_SKIP_DELTASEARCH) && (best_sad > 750))
1291 :     || (best_sad > 1000))
1292 :    
1293 :     SearchDirect_final(frame->motion_flags, b_mb, &best_sad, &Data_d);
1294 :    
1295 :     /* final skip decision */
1296 :     if ( (skip_sad < 2 * Data_d.iQuant * MAX_SAD00_FOR_SKIP )
1297 :     && ((100*best_sad)/(skip_sad+1) > FINAL_SKIP_THRESH) ) {
1298 :    
1299 :     Data_d.chromaSAD = 0; /* green light for chroma check */
1300 :    
1301 :     SkipDecisionB(pMB, &Data_d);
1302 :    
1303 :     if (pMB->mode == MODE_DIRECT_NONE_MV) { /* skipped? */
1304 :     pMB->sad16 = skip_sad;
1305 :     pMB->cbp = 0;
1306 :     *complete_count_self = i+1;
1307 :     current_mb++;
1308 :     continue;
1309 :     }
1310 :     }
1311 :    
1312 :     if (frame->vop_flags & XVID_VOP_RD_BVOP)
1313 :     ModeDecision_BVOP_RD(&Data_d, &Data_b, &Data_f, &Data_i,
1314 : Isibaar 1.28 pMB, b_mb, &f_predMV, &b_predMV, frame->motion_flags, frame->vop_flags, pParam, i, j, best_sad, force_direct);
1315 : syskin 1.24 else
1316 : Isibaar 1.28 ModeDecision_BVOP_SAD(&Data_d, &Data_b, &Data_f, &Data_i, pMB, b_mb, &f_predMV, &b_predMV, force_direct);
1317 : syskin 1.24
1318 :     *complete_count_self = i+1;
1319 :     current_mb++;
1320 : syskin 1.25 maxMotionBVOP(&MVmaxF, &MVmaxB, pMB, Data_d.qpel);
1321 : syskin 1.24 }
1322 :    
1323 :     complete_count_self++;
1324 :     complete_count_above++;
1325 :     }
1326 : syskin 1.25
1327 :     h->minfcode = getMinFcode(MVmaxF);
1328 :     h->minbcode = getMinFcode(MVmaxB);
1329 : syskin 1.24 }

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