1a449cedd004e972951b2b5a3d32f7066f98fe7b
[libav.git] / libavcodec / motion_est.c
1 /*
2 * Motion estimation
3 * Copyright (c) 2000,2001 Fabrice Bellard.
4 * Copyright (c) 2002-2003 Michael Niedermayer
5 *
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 * new Motion Estimation (X1/EPZS) by Michael Niedermayer <michaelni@gmx.at>
22 */
23
24 /**
25 * @file motion_est.c
26 * Motion estimation.
27 */
28
29 #include <stdlib.h>
30 #include <stdio.h>
31 #include <limits.h>
32 #include "avcodec.h"
33 #include "dsputil.h"
34 #include "mpegvideo.h"
35
36 //#undef NDEBUG
37 //#include <assert.h>
38
39 #define SQ(a) ((a)*(a))
40
41 #define P_LEFT P[1]
42 #define P_TOP P[2]
43 #define P_TOPRIGHT P[3]
44 #define P_MEDIAN P[4]
45 #define P_MV1 P[9]
46
47 static inline int sad_hpel_motion_search(MpegEncContext * s,
48 int *mx_ptr, int *my_ptr, int dmin,
49 int xmin, int ymin, int xmax, int ymax,
50 int pred_x, int pred_y, Picture *picture,
51 int n, int size, uint8_t * const mv_penalty);
52
53 static inline int update_map_generation(MpegEncContext * s)
54 {
55 s->me.map_generation+= 1<<(ME_MAP_MV_BITS*2);
56 if(s->me.map_generation==0){
57 s->me.map_generation= 1<<(ME_MAP_MV_BITS*2);
58 memset(s->me.map, 0, sizeof(uint32_t)*ME_MAP_SIZE);
59 }
60 return s->me.map_generation;
61 }
62
63 /* shape adaptive search stuff */
64 typedef struct Minima{
65 int height;
66 int x, y;
67 int checked;
68 }Minima;
69
70 static int minima_cmp(const void *a, const void *b){
71 const Minima *da = (const Minima *) a;
72 const Minima *db = (const Minima *) b;
73
74 return da->height - db->height;
75 }
76
77 /* SIMPLE */
78 #define RENAME(a) simple_ ## a
79
80 #define CMP(d, x, y, size)\
81 d = cmp(s, src_y, (ref_y) + (x) + (y)*(stride), stride);
82
83 #define CMP_HPEL(d, dx, dy, x, y, size)\
84 {\
85 const int dxy= (dx) + 2*(dy);\
86 hpel_put[0][dxy](s->me.scratchpad, (ref_y) + (x) + (y)*(stride), stride, (16>>size));\
87 d = cmp_sub(s, s->me.scratchpad, src_y, stride);\
88 }
89
90 #define CMP_QPEL(d, dx, dy, x, y, size)\
91 {\
92 const int dxy= (dx) + 4*(dy);\
93 qpel_put[0][dxy](s->me.scratchpad, (ref_y) + (x) + (y)*(stride), stride);\
94 d = cmp_sub(s, s->me.scratchpad, src_y, stride);\
95 }
96
97 #include "motion_est_template.c"
98 #undef RENAME
99 #undef CMP
100 #undef CMP_HPEL
101 #undef CMP_QPEL
102 #undef INIT
103
104 /* SIMPLE CHROMA */
105 #define RENAME(a) simple_chroma_ ## a
106
107 #define CMP(d, x, y, size)\
108 d = cmp(s, src_y, (ref_y) + (x) + (y)*(stride), stride);\
109 if(chroma_cmp){\
110 int dxy= ((x)&1) + 2*((y)&1);\
111 int c= ((x)>>1) + ((y)>>1)*uvstride;\
112 \
113 chroma_hpel_put[0][dxy](s->me.scratchpad, ref_u + c, uvstride, 8);\
114 d += chroma_cmp(s, s->me.scratchpad, src_u, uvstride);\
115 chroma_hpel_put[0][dxy](s->me.scratchpad, ref_v + c, uvstride, 8);\
116 d += chroma_cmp(s, s->me.scratchpad, src_v, uvstride);\
117 }
118
119 #define CMP_HPEL(d, dx, dy, x, y, size)\
120 {\
121 const int dxy= (dx) + 2*(dy);\
122 hpel_put[0][dxy](s->me.scratchpad, (ref_y) + (x) + (y)*(stride), stride, (16>>size));\
123 d = cmp_sub(s, s->me.scratchpad, src_y, stride);\
124 if(chroma_cmp_sub){\
125 int cxy= (dxy) | ((x)&1) | (2*((y)&1));\
126 int c= ((x)>>1) + ((y)>>1)*uvstride;\
127 chroma_hpel_put[0][cxy](s->me.scratchpad, ref_u + c, uvstride, 8);\
128 d += chroma_cmp_sub(s, s->me.scratchpad, src_u, uvstride);\
129 chroma_hpel_put[0][cxy](s->me.scratchpad, ref_v + c, uvstride, 8);\
130 d += chroma_cmp_sub(s, s->me.scratchpad, src_v, uvstride);\
131 }\
132 }
133
134 #define CMP_QPEL(d, dx, dy, x, y, size)\
135 {\
136 const int dxy= (dx) + 4*(dy);\
137 qpel_put[0][dxy](s->me.scratchpad, (ref_y) + (x) + (y)*(stride), stride);\
138 d = cmp_sub(s, s->me.scratchpad, src_y, stride);\
139 if(chroma_cmp_sub){\
140 int cxy, c;\
141 int cx= (4*(x) + (dx))/2;\
142 int cy= (4*(y) + (dy))/2;\
143 cx= (cx>>1)|(cx&1);\
144 cy= (cy>>1)|(cy&1);\
145 cxy= (cx&1) + 2*(cy&1);\
146 c= ((cx)>>1) + ((cy)>>1)*uvstride;\
147 chroma_hpel_put[0][cxy](s->me.scratchpad, ref_u + c, uvstride, 8);\
148 d += chroma_cmp_sub(s, s->me.scratchpad, src_u, uvstride);\
149 chroma_hpel_put[0][cxy](s->me.scratchpad, ref_v + c, uvstride, 8);\
150 d += chroma_cmp_sub(s, s->me.scratchpad, src_v, uvstride);\
151 }\
152 }
153
154 #include "motion_est_template.c"
155 #undef RENAME
156 #undef CMP
157 #undef CMP_HPEL
158 #undef CMP_QPEL
159 #undef INIT
160
161 /* SIMPLE DIRECT HPEL */
162 #define RENAME(a) simple_direct_hpel_ ## a
163 //FIXME precalc divisions stuff
164
165 #define CMP_DIRECT(d, dx, dy, x, y, size, cmp_func)\
166 if((x) >= xmin && 2*(x) + (dx) <= 2*xmax && (y) >= ymin && 2*(y) + (dy) <= 2*ymax){\
167 const int hx= 2*(x) + (dx);\
168 const int hy= 2*(y) + (dy);\
169 if(s->mv_type==MV_TYPE_8X8){\
170 int i;\
171 for(i=0; i<4; i++){\
172 int fx = s->me.direct_basis_mv[i][0] + hx;\
173 int fy = s->me.direct_basis_mv[i][1] + hy;\
174 int bx = hx ? fx - s->me.co_located_mv[i][0] : s->me.co_located_mv[i][0]*(time_pb - time_pp)/time_pp + (i &1)*16;\
175 int by = hy ? fy - s->me.co_located_mv[i][1] : s->me.co_located_mv[i][1]*(time_pb - time_pp)/time_pp + (i>>1)*16;\
176 int fxy= (fx&1) + 2*(fy&1);\
177 int bxy= (bx&1) + 2*(by&1);\
178 \
179 uint8_t *dst= s->me.scratchpad + 8*(i&1) + 8*stride*(i>>1);\
180 hpel_put[1][fxy](dst, (ref_y ) + (fx>>1) + (fy>>1)*(stride), stride, 8);\
181 hpel_avg[1][bxy](dst, (ref2_y) + (bx>>1) + (by>>1)*(stride), stride, 8);\
182 }\
183 }else{\
184 int fx = s->me.direct_basis_mv[0][0] + hx;\
185 int fy = s->me.direct_basis_mv[0][1] + hy;\
186 int bx = hx ? fx - s->me.co_located_mv[0][0] : (s->me.co_located_mv[0][0]*(time_pb - time_pp)/time_pp);\
187 int by = hy ? fy - s->me.co_located_mv[0][1] : (s->me.co_located_mv[0][1]*(time_pb - time_pp)/time_pp);\
188 int fxy= (fx&1) + 2*(fy&1);\
189 int bxy= (bx&1) + 2*(by&1);\
190 \
191 assert((fx>>1) + 16*s->mb_x >= -16);\
192 assert((fy>>1) + 16*s->mb_y >= -16);\
193 assert((fx>>1) + 16*s->mb_x <= s->width);\
194 assert((fy>>1) + 16*s->mb_y <= s->height);\
195 assert((bx>>1) + 16*s->mb_x >= -16);\
196 assert((by>>1) + 16*s->mb_y >= -16);\
197 assert((bx>>1) + 16*s->mb_x <= s->width);\
198 assert((by>>1) + 16*s->mb_y <= s->height);\
199 \
200 hpel_put[0][fxy](s->me.scratchpad, (ref_y ) + (fx>>1) + (fy>>1)*(stride), stride, 16);\
201 hpel_avg[0][bxy](s->me.scratchpad, (ref2_y) + (bx>>1) + (by>>1)*(stride), stride, 16);\
202 }\
203 d = cmp_func(s, s->me.scratchpad, src_y, stride);\
204 }else\
205 d= 256*256*256*32;
206
207
208 #define CMP_HPEL(d, dx, dy, x, y, size)\
209 CMP_DIRECT(d, dx, dy, x, y, size, cmp_sub)
210
211 #define CMP(d, x, y, size)\
212 CMP_DIRECT(d, 0, 0, x, y, size, cmp)
213
214 #include "motion_est_template.c"
215 #undef RENAME
216 #undef CMP
217 #undef CMP_HPEL
218 #undef CMP_QPEL
219 #undef INIT
220 #undef CMP_DIRECT
221
222 /* SIMPLE DIRECT QPEL */
223 #define RENAME(a) simple_direct_qpel_ ## a
224
225 #define CMP_DIRECT(d, dx, dy, x, y, size, cmp_func)\
226 if((x) >= xmin && 4*(x) + (dx) <= 4*xmax && (y) >= ymin && 4*(y) + (dy) <= 4*ymax){\
227 const int qx= 4*(x) + (dx);\
228 const int qy= 4*(y) + (dy);\
229 if(s->mv_type==MV_TYPE_8X8){\
230 int i;\
231 for(i=0; i<4; i++){\
232 int fx = s->me.direct_basis_mv[i][0] + qx;\
233 int fy = s->me.direct_basis_mv[i][1] + qy;\
234 int bx = qx ? fx - s->me.co_located_mv[i][0] : s->me.co_located_mv[i][0]*(time_pb - time_pp)/time_pp + (i &1)*16;\
235 int by = qy ? fy - s->me.co_located_mv[i][1] : s->me.co_located_mv[i][1]*(time_pb - time_pp)/time_pp + (i>>1)*16;\
236 int fxy= (fx&3) + 4*(fy&3);\
237 int bxy= (bx&3) + 4*(by&3);\
238 \
239 uint8_t *dst= s->me.scratchpad + 8*(i&1) + 8*stride*(i>>1);\
240 qpel_put[1][fxy](dst, (ref_y ) + (fx>>2) + (fy>>2)*(stride), stride);\
241 qpel_avg[1][bxy](dst, (ref2_y) + (bx>>2) + (by>>2)*(stride), stride);\
242 }\
243 }else{\
244 int fx = s->me.direct_basis_mv[0][0] + qx;\
245 int fy = s->me.direct_basis_mv[0][1] + qy;\
246 int bx = qx ? fx - s->me.co_located_mv[0][0] : s->me.co_located_mv[0][0]*(time_pb - time_pp)/time_pp;\
247 int by = qy ? fy - s->me.co_located_mv[0][1] : s->me.co_located_mv[0][1]*(time_pb - time_pp)/time_pp;\
248 int fxy= (fx&3) + 4*(fy&3);\
249 int bxy= (bx&3) + 4*(by&3);\
250 \
251 qpel_put[1][fxy](s->me.scratchpad , (ref_y ) + (fx>>2) + (fy>>2)*(stride) , stride);\
252 qpel_put[1][fxy](s->me.scratchpad + 8 , (ref_y ) + (fx>>2) + (fy>>2)*(stride) + 8 , stride);\
253 qpel_put[1][fxy](s->me.scratchpad + 8*stride, (ref_y ) + (fx>>2) + (fy>>2)*(stride) + 8*stride, stride);\
254 qpel_put[1][fxy](s->me.scratchpad + 8 + 8*stride, (ref_y ) + (fx>>2) + (fy>>2)*(stride) + 8 + 8*stride, stride);\
255 qpel_avg[1][bxy](s->me.scratchpad , (ref2_y) + (bx>>2) + (by>>2)*(stride) , stride);\
256 qpel_avg[1][bxy](s->me.scratchpad + 8 , (ref2_y) + (bx>>2) + (by>>2)*(stride) + 8 , stride);\
257 qpel_avg[1][bxy](s->me.scratchpad + 8*stride, (ref2_y) + (bx>>2) + (by>>2)*(stride) + 8*stride, stride);\
258 qpel_avg[1][bxy](s->me.scratchpad + 8 + 8*stride, (ref2_y) + (bx>>2) + (by>>2)*(stride) + 8 + 8*stride, stride);\
259 }\
260 d = cmp_func(s, s->me.scratchpad, src_y, stride);\
261 }else\
262 d= 256*256*256*32;
263
264
265 #define CMP_QPEL(d, dx, dy, x, y, size)\
266 CMP_DIRECT(d, dx, dy, x, y, size, cmp_sub)
267
268 #define CMP(d, x, y, size)\
269 CMP_DIRECT(d, 0, 0, x, y, size, cmp)
270
271 #include "motion_est_template.c"
272 #undef RENAME
273 #undef CMP
274 #undef CMP_HPEL
275 #undef CMP_QPEL
276 #undef INIT
277 #undef CMP__DIRECT
278
279
280 static int zero_cmp(void *s, uint8_t *a, uint8_t *b, int stride){
281 return 0;
282 }
283
284 static void set_cmp(MpegEncContext *s, me_cmp_func *cmp, int type){
285 DSPContext* c= &s->dsp;
286 int i;
287
288 memset(cmp, 0, sizeof(void*)*11);
289
290 switch(type&0xFF){
291 case FF_CMP_SAD:
292 cmp[0]= c->sad[0];
293 cmp[1]= c->sad[1];
294 break;
295 case FF_CMP_SATD:
296 cmp[0]= c->hadamard8_diff[0];
297 cmp[1]= c->hadamard8_diff[1];
298 break;
299 case FF_CMP_SSE:
300 cmp[0]= c->sse[0];
301 cmp[1]= c->sse[1];
302 break;
303 case FF_CMP_DCT:
304 cmp[0]= c->dct_sad[0];
305 cmp[1]= c->dct_sad[1];
306 break;
307 case FF_CMP_PSNR:
308 cmp[0]= c->quant_psnr[0];
309 cmp[1]= c->quant_psnr[1];
310 break;
311 case FF_CMP_BIT:
312 cmp[0]= c->bit[0];
313 cmp[1]= c->bit[1];
314 break;
315 case FF_CMP_RD:
316 cmp[0]= c->rd[0];
317 cmp[1]= c->rd[1];
318 break;
319 case FF_CMP_ZERO:
320 for(i=0; i<7; i++){
321 cmp[i]= zero_cmp;
322 }
323 break;
324 default:
325 av_log(s->avctx, AV_LOG_ERROR,"internal error in cmp function selection\n");
326 }
327 }
328
329 static inline int get_penalty_factor(MpegEncContext *s, int type){
330 switch(type&0xFF){
331 default:
332 case FF_CMP_SAD:
333 return s->qscale*2;
334 case FF_CMP_DCT:
335 return s->qscale*3;
336 case FF_CMP_SATD:
337 return s->qscale*6;
338 case FF_CMP_SSE:
339 return s->qscale*s->qscale*2;
340 case FF_CMP_BIT:
341 return 1;
342 case FF_CMP_RD:
343 case FF_CMP_PSNR:
344 return (s->qscale*s->qscale*185 + 64)>>7;
345 }
346 }
347
348 void ff_init_me(MpegEncContext *s){
349 set_cmp(s, s->dsp.me_pre_cmp, s->avctx->me_pre_cmp);
350 set_cmp(s, s->dsp.me_cmp, s->avctx->me_cmp);
351 set_cmp(s, s->dsp.me_sub_cmp, s->avctx->me_sub_cmp);
352 set_cmp(s, s->dsp.mb_cmp, s->avctx->mb_cmp);
353
354 if(s->flags&CODEC_FLAG_QPEL){
355 if(s->avctx->me_sub_cmp&FF_CMP_CHROMA)
356 s->me.sub_motion_search= simple_chroma_qpel_motion_search;
357 else
358 s->me.sub_motion_search= simple_qpel_motion_search;
359 }else{
360 if(s->avctx->me_sub_cmp&FF_CMP_CHROMA)
361 s->me.sub_motion_search= simple_chroma_hpel_motion_search;
362 else if( s->avctx->me_sub_cmp == FF_CMP_SAD
363 && s->avctx-> me_cmp == FF_CMP_SAD
364 && s->avctx-> mb_cmp == FF_CMP_SAD)
365 s->me.sub_motion_search= sad_hpel_motion_search;
366 else
367 s->me.sub_motion_search= simple_hpel_motion_search;
368 }
369
370 if(s->avctx->me_cmp&FF_CMP_CHROMA){
371 s->me.motion_search[0]= simple_chroma_epzs_motion_search;
372 s->me.motion_search[1]= simple_chroma_epzs_motion_search4;
373 }else{
374 s->me.motion_search[0]= simple_epzs_motion_search;
375 s->me.motion_search[1]= simple_epzs_motion_search4;
376 }
377
378 if(s->avctx->me_pre_cmp&FF_CMP_CHROMA){
379 s->me.pre_motion_search= simple_chroma_epzs_motion_search;
380 }else{
381 s->me.pre_motion_search= simple_epzs_motion_search;
382 }
383
384 if(s->flags&CODEC_FLAG_QPEL){
385 if(s->avctx->mb_cmp&FF_CMP_CHROMA)
386 s->me.get_mb_score= simple_chroma_qpel_get_mb_score;
387 else
388 s->me.get_mb_score= simple_qpel_get_mb_score;
389 }else{
390 if(s->avctx->mb_cmp&FF_CMP_CHROMA)
391 s->me.get_mb_score= simple_chroma_hpel_get_mb_score;
392 else
393 s->me.get_mb_score= simple_hpel_get_mb_score;
394 }
395 }
396
397 #if 0
398 static int pix_dev(uint8_t * pix, int line_size, int mean)
399 {
400 int s, i, j;
401
402 s = 0;
403 for (i = 0; i < 16; i++) {
404 for (j = 0; j < 16; j += 8) {
405 s += ABS(pix[0]-mean);
406 s += ABS(pix[1]-mean);
407 s += ABS(pix[2]-mean);
408 s += ABS(pix[3]-mean);
409 s += ABS(pix[4]-mean);
410 s += ABS(pix[5]-mean);
411 s += ABS(pix[6]-mean);
412 s += ABS(pix[7]-mean);
413 pix += 8;
414 }
415 pix += line_size - 16;
416 }
417 return s;
418 }
419 #endif
420
421 static inline void no_motion_search(MpegEncContext * s,
422 int *mx_ptr, int *my_ptr)
423 {
424 *mx_ptr = 16 * s->mb_x;
425 *my_ptr = 16 * s->mb_y;
426 }
427
428 static int full_motion_search(MpegEncContext * s,
429 int *mx_ptr, int *my_ptr, int range,
430 int xmin, int ymin, int xmax, int ymax, uint8_t *ref_picture)
431 {
432 int x1, y1, x2, y2, xx, yy, x, y;
433 int mx, my, dmin, d;
434 uint8_t *pix;
435
436 xx = 16 * s->mb_x;
437 yy = 16 * s->mb_y;
438 x1 = xx - range + 1; /* we loose one pixel to avoid boundary pb with half pixel pred */
439 if (x1 < xmin)
440 x1 = xmin;
441 x2 = xx + range - 1;
442 if (x2 > xmax)
443 x2 = xmax;
444 y1 = yy - range + 1;
445 if (y1 < ymin)
446 y1 = ymin;
447 y2 = yy + range - 1;
448 if (y2 > ymax)
449 y2 = ymax;
450 pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
451 dmin = 0x7fffffff;
452 mx = 0;
453 my = 0;
454 for (y = y1; y <= y2; y++) {
455 for (x = x1; x <= x2; x++) {
456 d = s->dsp.pix_abs16x16(pix, ref_picture + (y * s->linesize) + x,
457 s->linesize);
458 if (d < dmin ||
459 (d == dmin &&
460 (abs(x - xx) + abs(y - yy)) <
461 (abs(mx - xx) + abs(my - yy)))) {
462 dmin = d;
463 mx = x;
464 my = y;
465 }
466 }
467 }
468
469 *mx_ptr = mx;
470 *my_ptr = my;
471
472 #if 0
473 if (*mx_ptr < -(2 * range) || *mx_ptr >= (2 * range) ||
474 *my_ptr < -(2 * range) || *my_ptr >= (2 * range)) {
475 fprintf(stderr, "error %d %d\n", *mx_ptr, *my_ptr);
476 }
477 #endif
478 return dmin;
479 }
480
481
482 static int log_motion_search(MpegEncContext * s,
483 int *mx_ptr, int *my_ptr, int range,
484 int xmin, int ymin, int xmax, int ymax, uint8_t *ref_picture)
485 {
486 int x1, y1, x2, y2, xx, yy, x, y;
487 int mx, my, dmin, d;
488 uint8_t *pix;
489
490 xx = s->mb_x << 4;
491 yy = s->mb_y << 4;
492
493 /* Left limit */
494 x1 = xx - range;
495 if (x1 < xmin)
496 x1 = xmin;
497
498 /* Right limit */
499 x2 = xx + range;
500 if (x2 > xmax)
501 x2 = xmax;
502
503 /* Upper limit */
504 y1 = yy - range;
505 if (y1 < ymin)
506 y1 = ymin;
507
508 /* Lower limit */
509 y2 = yy + range;
510 if (y2 > ymax)
511 y2 = ymax;
512
513 pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
514 dmin = 0x7fffffff;
515 mx = 0;
516 my = 0;
517
518 do {
519 for (y = y1; y <= y2; y += range) {
520 for (x = x1; x <= x2; x += range) {
521 d = s->dsp.pix_abs16x16(pix, ref_picture + (y * s->linesize) + x, s->linesize);
522 if (d < dmin || (d == dmin && (abs(x - xx) + abs(y - yy)) < (abs(mx - xx) + abs(my - yy)))) {
523 dmin = d;
524 mx = x;
525 my = y;
526 }
527 }
528 }
529
530 range = range >> 1;
531
532 x1 = mx - range;
533 if (x1 < xmin)
534 x1 = xmin;
535
536 x2 = mx + range;
537 if (x2 > xmax)
538 x2 = xmax;
539
540 y1 = my - range;
541 if (y1 < ymin)
542 y1 = ymin;
543
544 y2 = my + range;
545 if (y2 > ymax)
546 y2 = ymax;
547
548 } while (range >= 1);
549
550 #ifdef DEBUG
551 fprintf(stderr, "log - MX: %d\tMY: %d\n", mx, my);
552 #endif
553 *mx_ptr = mx;
554 *my_ptr = my;
555 return dmin;
556 }
557
558 static int phods_motion_search(MpegEncContext * s,
559 int *mx_ptr, int *my_ptr, int range,
560 int xmin, int ymin, int xmax, int ymax, uint8_t *ref_picture)
561 {
562 int x1, y1, x2, y2, xx, yy, x, y, lastx, d;
563 int mx, my, dminx, dminy;
564 uint8_t *pix;
565
566 xx = s->mb_x << 4;
567 yy = s->mb_y << 4;
568
569 /* Left limit */
570 x1 = xx - range;
571 if (x1 < xmin)
572 x1 = xmin;
573
574 /* Right limit */
575 x2 = xx + range;
576 if (x2 > xmax)
577 x2 = xmax;
578
579 /* Upper limit */
580 y1 = yy - range;
581 if (y1 < ymin)
582 y1 = ymin;
583
584 /* Lower limit */
585 y2 = yy + range;
586 if (y2 > ymax)
587 y2 = ymax;
588
589 pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
590 mx = 0;
591 my = 0;
592
593 x = xx;
594 y = yy;
595 do {
596 dminx = 0x7fffffff;
597 dminy = 0x7fffffff;
598
599 lastx = x;
600 for (x = x1; x <= x2; x += range) {
601 d = s->dsp.pix_abs16x16(pix, ref_picture + (y * s->linesize) + x, s->linesize);
602 if (d < dminx || (d == dminx && (abs(x - xx) + abs(y - yy)) < (abs(mx - xx) + abs(my - yy)))) {
603 dminx = d;
604 mx = x;
605 }
606 }
607
608 x = lastx;
609 for (y = y1; y <= y2; y += range) {
610 d = s->dsp.pix_abs16x16(pix, ref_picture + (y * s->linesize) + x, s->linesize);
611 if (d < dminy || (d == dminy && (abs(x - xx) + abs(y - yy)) < (abs(mx - xx) + abs(my - yy)))) {
612 dminy = d;
613 my = y;
614 }
615 }
616
617 range = range >> 1;
618
619 x = mx;
620 y = my;
621 x1 = mx - range;
622 if (x1 < xmin)
623 x1 = xmin;
624
625 x2 = mx + range;
626 if (x2 > xmax)
627 x2 = xmax;
628
629 y1 = my - range;
630 if (y1 < ymin)
631 y1 = ymin;
632
633 y2 = my + range;
634 if (y2 > ymax)
635 y2 = ymax;
636
637 } while (range >= 1);
638
639 #ifdef DEBUG
640 fprintf(stderr, "phods - MX: %d\tMY: %d\n", mx, my);
641 #endif
642
643 /* half pixel search */
644 *mx_ptr = mx;
645 *my_ptr = my;
646 return dminy;
647 }
648
649
650 #define Z_THRESHOLD 256
651
652 #define CHECK_SAD_HALF_MV(suffix, x, y) \
653 {\
654 d= pix_abs_ ## suffix(pix, ptr+((x)>>1), s->linesize);\
655 d += (mv_penalty[pen_x + x] + mv_penalty[pen_y + y])*penalty_factor;\
656 COPY3_IF_LT(dminh, d, dx, x, dy, y)\
657 }
658
659 static inline int sad_hpel_motion_search(MpegEncContext * s,
660 int *mx_ptr, int *my_ptr, int dmin,
661 int xmin, int ymin, int xmax, int ymax,
662 int pred_x, int pred_y, Picture *picture,
663 int n, int size, uint8_t * const mv_penalty)
664 {
665 uint8_t *ref_picture= picture->data[0];
666 uint32_t *score_map= s->me.score_map;
667 const int penalty_factor= s->me.sub_penalty_factor;
668 int mx, my, xx, yy, dminh;
669 uint8_t *pix, *ptr;
670 op_pixels_abs_func pix_abs_x2;
671 op_pixels_abs_func pix_abs_y2;
672 op_pixels_abs_func pix_abs_xy2;
673
674 if(size==0){
675 pix_abs_x2 = s->dsp.pix_abs16x16_x2;
676 pix_abs_y2 = s->dsp.pix_abs16x16_y2;
677 pix_abs_xy2= s->dsp.pix_abs16x16_xy2;
678 }else{
679 pix_abs_x2 = s->dsp.pix_abs8x8_x2;
680 pix_abs_y2 = s->dsp.pix_abs8x8_y2;
681 pix_abs_xy2= s->dsp.pix_abs8x8_xy2;
682 }
683
684 if(s->me.skip){
685 // printf("S");
686 *mx_ptr = 0;
687 *my_ptr = 0;
688 return dmin;
689 }
690 // printf("N");
691
692 xx = 16 * s->mb_x + 8*(n&1);
693 yy = 16 * s->mb_y + 8*(n>>1);
694 pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
695
696 mx = *mx_ptr;
697 my = *my_ptr;
698 ptr = ref_picture + ((yy + my) * s->linesize) + (xx + mx);
699
700 dminh = dmin;
701
702 if (mx > xmin && mx < xmax &&
703 my > ymin && my < ymax) {
704 int dx=0, dy=0;
705 int d, pen_x, pen_y;
706 const int index= (my<<ME_MAP_SHIFT) + mx;
707 const int t= score_map[(index-(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)];
708 const int l= score_map[(index- 1 )&(ME_MAP_SIZE-1)];
709 const int r= score_map[(index+ 1 )&(ME_MAP_SIZE-1)];
710 const int b= score_map[(index+(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)];
711 mx<<=1;
712 my<<=1;
713
714
715 pen_x= pred_x + mx;
716 pen_y= pred_y + my;
717
718 ptr-= s->linesize;
719 if(t<=b){
720 CHECK_SAD_HALF_MV(y2 , 0, -1)
721 if(l<=r){
722 CHECK_SAD_HALF_MV(xy2, -1, -1)
723 if(t+r<=b+l){
724 CHECK_SAD_HALF_MV(xy2, +1, -1)
725 ptr+= s->linesize;
726 }else{
727 ptr+= s->linesize;
728 CHECK_SAD_HALF_MV(xy2, -1, +1)
729 }
730 CHECK_SAD_HALF_MV(x2 , -1, 0)
731 }else{
732 CHECK_SAD_HALF_MV(xy2, +1, -1)
733 if(t+l<=b+r){
734 CHECK_SAD_HALF_MV(xy2, -1, -1)
735 ptr+= s->linesize;
736 }else{
737 ptr+= s->linesize;
738 CHECK_SAD_HALF_MV(xy2, +1, +1)
739 }
740 CHECK_SAD_HALF_MV(x2 , +1, 0)
741 }
742 }else{
743 if(l<=r){
744 if(t+l<=b+r){
745 CHECK_SAD_HALF_MV(xy2, -1, -1)
746 ptr+= s->linesize;
747 }else{
748 ptr+= s->linesize;
749 CHECK_SAD_HALF_MV(xy2, +1, +1)
750 }
751 CHECK_SAD_HALF_MV(x2 , -1, 0)
752 CHECK_SAD_HALF_MV(xy2, -1, +1)
753 }else{
754 if(t+r<=b+l){
755 CHECK_SAD_HALF_MV(xy2, +1, -1)
756 ptr+= s->linesize;
757 }else{
758 ptr+= s->linesize;
759 CHECK_SAD_HALF_MV(xy2, -1, +1)
760 }
761 CHECK_SAD_HALF_MV(x2 , +1, 0)
762 CHECK_SAD_HALF_MV(xy2, +1, +1)
763 }
764 CHECK_SAD_HALF_MV(y2 , 0, +1)
765 }
766 mx+=dx;
767 my+=dy;
768
769 }else{
770 mx<<=1;
771 my<<=1;
772 }
773
774 *mx_ptr = mx;
775 *my_ptr = my;
776 return dminh;
777 }
778
779 static inline void set_p_mv_tables(MpegEncContext * s, int mx, int my, int mv4)
780 {
781 const int xy= s->mb_x + s->mb_y*s->mb_stride;
782
783 s->p_mv_table[xy][0] = mx;
784 s->p_mv_table[xy][1] = my;
785
786 /* has allready been set to the 4 MV if 4MV is done */
787 if(mv4){
788 int mot_xy= s->block_index[0];
789
790 s->current_picture.motion_val[0][mot_xy ][0]= mx;
791 s->current_picture.motion_val[0][mot_xy ][1]= my;
792 s->current_picture.motion_val[0][mot_xy+1][0]= mx;
793 s->current_picture.motion_val[0][mot_xy+1][1]= my;
794
795 mot_xy += s->block_wrap[0];
796 s->current_picture.motion_val[0][mot_xy ][0]= mx;
797 s->current_picture.motion_val[0][mot_xy ][1]= my;
798 s->current_picture.motion_val[0][mot_xy+1][0]= mx;
799 s->current_picture.motion_val[0][mot_xy+1][1]= my;
800 }
801 }
802
803 /**
804 * get fullpel ME search limits.
805 * @param range the approximate search range for the old ME code, unused for EPZS and newer
806 */
807 static inline void get_limits(MpegEncContext *s, int *range, int *xmin, int *ymin, int *xmax, int *ymax)
808 {
809 if(s->avctx->me_range) *range= s->avctx->me_range >> 1;
810 else *range= 16;
811
812 if (s->unrestricted_mv) {
813 *xmin = -16;
814 *ymin = -16;
815 *xmax = s->mb_width*16;
816 *ymax = s->mb_height*16;
817 } else {
818 *xmin = 0;
819 *ymin = 0;
820 *xmax = s->mb_width*16 - 16;
821 *ymax = s->mb_height*16 - 16;
822 }
823
824 //FIXME try to limit x/y min/max if me_range is set
825 }
826
827 static inline int h263_mv4_search(MpegEncContext *s, int xmin, int ymin, int xmax, int ymax, int mx, int my, int shift)
828 {
829 int block;
830 int P[10][2];
831 int dmin_sum=0, mx4_sum=0, my4_sum=0;
832 uint8_t * const mv_penalty= s->me.mv_penalty[s->f_code] + MAX_MV;
833 int same=1;
834
835 for(block=0; block<4; block++){
836 int mx4, my4;
837 int pred_x4, pred_y4;
838 int dmin4;
839 static const int off[4]= {2, 1, 1, -1};
840 const int mot_stride = s->block_wrap[0];
841 const int mot_xy = s->block_index[block];
842 // const int block_x= (block&1);
843 // const int block_y= (block>>1);
844 #if 1 // this saves us a bit of cliping work and shouldnt affect compression in a negative way
845 const int rel_xmin4= xmin;
846 const int rel_xmax4= xmax;
847 const int rel_ymin4= ymin;
848 const int rel_ymax4= ymax;
849 #else
850 const int rel_xmin4= xmin - block_x*8;
851 const int rel_xmax4= xmax - block_x*8 + 8;
852 const int rel_ymin4= ymin - block_y*8;
853 const int rel_ymax4= ymax - block_y*8 + 8;
854 #endif
855 P_LEFT[0] = s->current_picture.motion_val[0][mot_xy - 1][0];
856 P_LEFT[1] = s->current_picture.motion_val[0][mot_xy - 1][1];
857
858 if(P_LEFT[0] > (rel_xmax4<<shift)) P_LEFT[0] = (rel_xmax4<<shift);
859
860 /* special case for first line */
861 if (s->mb_y == 0 && block<2) {
862 pred_x4= P_LEFT[0];
863 pred_y4= P_LEFT[1];
864 } else {
865 P_TOP[0] = s->current_picture.motion_val[0][mot_xy - mot_stride ][0];
866 P_TOP[1] = s->current_picture.motion_val[0][mot_xy - mot_stride ][1];
867 P_TOPRIGHT[0] = s->current_picture.motion_val[0][mot_xy - mot_stride + off[block]][0];
868 P_TOPRIGHT[1] = s->current_picture.motion_val[0][mot_xy - mot_stride + off[block]][1];
869 if(P_TOP[1] > (rel_ymax4<<shift)) P_TOP[1] = (rel_ymax4<<shift);
870 if(P_TOPRIGHT[0] < (rel_xmin4<<shift)) P_TOPRIGHT[0]= (rel_xmin4<<shift);
871 if(P_TOPRIGHT[0] > (rel_xmax4<<shift)) P_TOPRIGHT[0]= (rel_xmax4<<shift);
872 if(P_TOPRIGHT[1] > (rel_ymax4<<shift)) P_TOPRIGHT[1]= (rel_ymax4<<shift);
873
874 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
875 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
876
877 // if(s->out_format == FMT_H263){
878 pred_x4 = P_MEDIAN[0];
879 pred_y4 = P_MEDIAN[1];
880 #if 0
881 }else { /* mpeg1 at least */
882 pred_x4= P_LEFT[0];
883 pred_y4= P_LEFT[1];
884 }
885 #endif
886 }
887 P_MV1[0]= mx;
888 P_MV1[1]= my;
889
890 dmin4 = s->me.motion_search[1](s, block, &mx4, &my4, P, pred_x4, pred_y4, rel_xmin4, rel_ymin4, rel_xmax4, rel_ymax4,
891 &s->last_picture, s->p_mv_table, (1<<16)>>shift, mv_penalty);
892
893 dmin4= s->me.sub_motion_search(s, &mx4, &my4, dmin4, rel_xmin4, rel_ymin4, rel_xmax4, rel_ymax4,
894 pred_x4, pred_y4, &s->last_picture, block, 1, mv_penalty);
895
896 if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){
897 int dxy;
898 const int offset= ((block&1) + (block>>1)*s->linesize)*8;
899 uint8_t *dest_y = s->me.scratchpad + offset;
900
901 if(s->quarter_sample){
902 uint8_t *ref= s->last_picture.data[0] + (s->mb_x*16 + (mx4>>2)) + (s->mb_y*16 + (my4>>2))*s->linesize + offset;
903 dxy = ((my4 & 3) << 2) | (mx4 & 3);
904
905 if(s->no_rounding)
906 s->dsp.put_no_rnd_qpel_pixels_tab[1][dxy](dest_y , ref , s->linesize);
907 else
908 s->dsp.put_qpel_pixels_tab [1][dxy](dest_y , ref , s->linesize);
909 }else{
910 uint8_t *ref= s->last_picture.data[0] + (s->mb_x*16 + (mx4>>1)) + (s->mb_y*16 + (my4>>1))*s->linesize + offset;
911 dxy = ((my4 & 1) << 1) | (mx4 & 1);
912
913 if(s->no_rounding)
914 s->dsp.put_no_rnd_pixels_tab[1][dxy](dest_y , ref , s->linesize, 8);
915 else
916 s->dsp.put_pixels_tab [1][dxy](dest_y , ref , s->linesize, 8);
917 }
918 dmin_sum+= (mv_penalty[mx4-pred_x4] + mv_penalty[my4-pred_y4])*s->me.mb_penalty_factor;
919 }else
920 dmin_sum+= dmin4;
921
922 if(s->quarter_sample){
923 mx4_sum+= mx4/2;
924 my4_sum+= my4/2;
925 }else{
926 mx4_sum+= mx4;
927 my4_sum+= my4;
928 }
929
930 s->current_picture.motion_val[0][ s->block_index[block] ][0]= mx4;
931 s->current_picture.motion_val[0][ s->block_index[block] ][1]= my4;
932
933 if(mx4 != mx || my4 != my) same=0;
934 }
935
936 if(same)
937 return INT_MAX;
938
939 if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){
940 dmin_sum += s->dsp.mb_cmp[0](s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*16*s->linesize, s->me.scratchpad, s->linesize);
941 }
942
943 if(s->avctx->mb_cmp&FF_CMP_CHROMA){
944 int dxy;
945 int mx, my;
946 int offset;
947
948 mx= ff_h263_round_chroma(mx4_sum);
949 my= ff_h263_round_chroma(my4_sum);
950 dxy = ((my & 1) << 1) | (mx & 1);
951
952 offset= (s->mb_x*8 + (mx>>1)) + (s->mb_y*8 + (my>>1))*s->uvlinesize;
953
954 if(s->no_rounding){
955 s->dsp.put_no_rnd_pixels_tab[1][dxy](s->me.scratchpad , s->last_picture.data[1] + offset, s->uvlinesize, 8);
956 s->dsp.put_no_rnd_pixels_tab[1][dxy](s->me.scratchpad+8 , s->last_picture.data[2] + offset, s->uvlinesize, 8);
957 }else{
958 s->dsp.put_pixels_tab [1][dxy](s->me.scratchpad , s->last_picture.data[1] + offset, s->uvlinesize, 8);
959 s->dsp.put_pixels_tab [1][dxy](s->me.scratchpad+8 , s->last_picture.data[2] + offset, s->uvlinesize, 8);
960 }
961
962 dmin_sum += s->dsp.mb_cmp[1](s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*8*s->uvlinesize, s->me.scratchpad , s->uvlinesize);
963 dmin_sum += s->dsp.mb_cmp[1](s, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*8*s->uvlinesize, s->me.scratchpad+8, s->uvlinesize);
964 }
965
966 switch(s->avctx->mb_cmp&0xFF){
967 /*case FF_CMP_SSE:
968 return dmin_sum+ 32*s->qscale*s->qscale;*/
969 case FF_CMP_RD:
970 return dmin_sum;
971 default:
972 return dmin_sum+ 11*s->me.mb_penalty_factor;
973 }
974 }
975
976 void ff_estimate_p_frame_motion(MpegEncContext * s,
977 int mb_x, int mb_y)
978 {
979 uint8_t *pix, *ppix;
980 int sum, varc, vard, mx, my, range, dmin, xx, yy;
981 int xmin, ymin, xmax, ymax;
982 int rel_xmin, rel_ymin, rel_xmax, rel_ymax;
983 int pred_x=0, pred_y=0;
984 int P[10][2];
985 const int shift= 1+s->quarter_sample;
986 int mb_type=0;
987 uint8_t *ref_picture= s->last_picture.data[0];
988 Picture * const pic= &s->current_picture;
989 uint8_t * const mv_penalty= s->me.mv_penalty[s->f_code] + MAX_MV;
990
991 assert(s->quarter_sample==0 || s->quarter_sample==1);
992
993 s->me.penalty_factor = get_penalty_factor(s, s->avctx->me_cmp);
994 s->me.sub_penalty_factor= get_penalty_factor(s, s->avctx->me_sub_cmp);
995 s->me.mb_penalty_factor = get_penalty_factor(s, s->avctx->mb_cmp);
996
997 get_limits(s, &range, &xmin, &ymin, &xmax, &ymax);
998 rel_xmin= xmin - mb_x*16;
999 rel_xmax= xmax - mb_x*16;
1000 rel_ymin= ymin - mb_y*16;
1001 rel_ymax= ymax - mb_y*16;
1002 s->me.skip=0;
1003
1004 switch(s->me_method) {
1005 case ME_ZERO:
1006 default:
1007 no_motion_search(s, &mx, &my);
1008 mx-= mb_x*16;
1009 my-= mb_y*16;
1010 dmin = 0;
1011 break;
1012 case ME_FULL:
1013 dmin = full_motion_search(s, &mx, &my, range, xmin, ymin, xmax, ymax, ref_picture);
1014 mx-= mb_x*16;
1015 my-= mb_y*16;
1016 break;
1017 case ME_LOG:
1018 dmin = log_motion_search(s, &mx, &my, range / 2, xmin, ymin, xmax, ymax, ref_picture);
1019 mx-= mb_x*16;
1020 my-= mb_y*16;
1021 break;
1022 case ME_PHODS:
1023 dmin = phods_motion_search(s, &mx, &my, range / 2, xmin, ymin, xmax, ymax, ref_picture);
1024 mx-= mb_x*16;
1025 my-= mb_y*16;
1026 break;
1027 case ME_X1:
1028 case ME_EPZS:
1029 {
1030 const int mot_stride = s->block_wrap[0];
1031 const int mot_xy = s->block_index[0];
1032
1033 P_LEFT[0] = s->current_picture.motion_val[0][mot_xy - 1][0];
1034 P_LEFT[1] = s->current_picture.motion_val[0][mot_xy - 1][1];
1035
1036 if(P_LEFT[0] > (rel_xmax<<shift)) P_LEFT[0] = (rel_xmax<<shift);
1037
1038 if(mb_y) {
1039 P_TOP[0] = s->current_picture.motion_val[0][mot_xy - mot_stride ][0];
1040 P_TOP[1] = s->current_picture.motion_val[0][mot_xy - mot_stride ][1];
1041 P_TOPRIGHT[0] = s->current_picture.motion_val[0][mot_xy - mot_stride + 2][0];
1042 P_TOPRIGHT[1] = s->current_picture.motion_val[0][mot_xy - mot_stride + 2][1];
1043 if(P_TOP[1] > (rel_ymax<<shift)) P_TOP[1] = (rel_ymax<<shift);
1044 if(P_TOPRIGHT[0] < (rel_xmin<<shift)) P_TOPRIGHT[0]= (rel_xmin<<shift);
1045 if(P_TOPRIGHT[1] > (rel_ymax<<shift)) P_TOPRIGHT[1]= (rel_ymax<<shift);
1046
1047 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1048 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1049
1050 if(s->out_format == FMT_H263){
1051 pred_x = P_MEDIAN[0];
1052 pred_y = P_MEDIAN[1];
1053 }else { /* mpeg1 at least */
1054 pred_x= P_LEFT[0];
1055 pred_y= P_LEFT[1];
1056 }
1057 }else{
1058 pred_x= P_LEFT[0];
1059 pred_y= P_LEFT[1];
1060 }
1061
1062 }
1063 dmin = s->me.motion_search[0](s, 0, &mx, &my, P, pred_x, pred_y, rel_xmin, rel_ymin, rel_xmax, rel_ymax,
1064 &s->last_picture, s->p_mv_table, (1<<16)>>shift, mv_penalty);
1065
1066 break;
1067 }
1068
1069 /* intra / predictive decision */
1070 xx = mb_x * 16;
1071 yy = mb_y * 16;
1072
1073 pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
1074 /* At this point (mx,my) are full-pell and the relative displacement */
1075 ppix = ref_picture + ((yy+my) * s->linesize) + (xx+mx);
1076
1077 sum = s->dsp.pix_sum(pix, s->linesize);
1078
1079 varc = (s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500 + 128)>>8;
1080 vard = (s->dsp.sse[0](NULL, pix, ppix, s->linesize)+128)>>8;
1081
1082 //printf("%d %d %d %X %X %X\n", s->mb_width, mb_x, mb_y,(int)s, (int)s->mb_var, (int)s->mc_mb_var); fflush(stdout);
1083 pic->mb_var [s->mb_stride * mb_y + mb_x] = varc;
1084 pic->mc_mb_var[s->mb_stride * mb_y + mb_x] = vard;
1085 pic->mb_mean [s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
1086 // pic->mb_cmp_score[s->mb_stride * mb_y + mb_x] = dmin;
1087 pic->mb_var_sum += varc;
1088 pic->mc_mb_var_sum += vard;
1089 //printf("E%d %d %d %X %X %X\n", s->mb_width, mb_x, mb_y,(int)s, (int)s->mb_var, (int)s->mc_mb_var); fflush(stdout);
1090
1091 #if 0
1092 printf("varc=%4d avg_var=%4d (sum=%4d) vard=%4d mx=%2d my=%2d\n",
1093 varc, s->avg_mb_var, sum, vard, mx - xx, my - yy);
1094 #endif
1095 if(s->avctx->mb_decision > FF_MB_DECISION_SIMPLE){
1096 if (vard <= 64 || vard < varc)
1097 s->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
1098 else
1099 s->scene_change_score+= s->qscale;
1100
1101 if (vard*2 + 200 > varc)
1102 mb_type|= MB_TYPE_INTRA;
1103 if (varc*2 + 200 > vard){
1104 mb_type|= MB_TYPE_INTER;
1105 s->me.sub_motion_search(s, &mx, &my, dmin, rel_xmin, rel_ymin, rel_xmax, rel_ymax,
1106 pred_x, pred_y, &s->last_picture, 0, 0, mv_penalty);
1107 if(s->flags&CODEC_FLAG_MV0)
1108 if(mx || my)
1109 mb_type |= MB_TYPE_SKIPED; //FIXME check difference
1110 }else{
1111 mx <<=shift;
1112 my <<=shift;
1113 }
1114 if((s->flags&CODEC_FLAG_4MV)
1115 && !s->me.skip && varc>50 && vard>10){
1116 if(h263_mv4_search(s, rel_xmin, rel_ymin, rel_xmax, rel_ymax, mx, my, shift) < INT_MAX)
1117 mb_type|=MB_TYPE_INTER4V;
1118
1119 set_p_mv_tables(s, mx, my, 0);
1120 }else
1121 set_p_mv_tables(s, mx, my, 1);
1122 }else{
1123 int intra_score, i;
1124 mb_type= MB_TYPE_INTER;
1125
1126 dmin= s->me.sub_motion_search(s, &mx, &my, dmin, rel_xmin, rel_ymin, rel_xmax, rel_ymax,
1127 pred_x, pred_y, &s->last_picture, 0, 0, mv_penalty);
1128
1129 if(s->avctx->me_sub_cmp != s->avctx->mb_cmp && !s->me.skip)
1130 dmin= s->me.get_mb_score(s, mx, my, pred_x, pred_y, &s->last_picture, mv_penalty);
1131
1132 if((s->flags&CODEC_FLAG_4MV)
1133 && !s->me.skip && varc>50 && vard>10){
1134 int dmin4= h263_mv4_search(s, rel_xmin, rel_ymin, rel_xmax, rel_ymax, mx, my, shift);
1135 if(dmin4 < dmin){
1136 mb_type= MB_TYPE_INTER4V;
1137 dmin=dmin4;
1138 }
1139 }
1140
1141 // pic->mb_cmp_score[s->mb_stride * mb_y + mb_x] = dmin;
1142 set_p_mv_tables(s, mx, my, mb_type!=MB_TYPE_INTER4V);
1143
1144 /* get intra luma score */
1145 if((s->avctx->mb_cmp&0xFF)==FF_CMP_SSE){
1146 intra_score= (varc<<8) - 500; //FIXME dont scale it down so we dont have to fix it
1147 }else{
1148 int mean= (sum+128)>>8;
1149 mean*= 0x01010101;
1150
1151 for(i=0; i<16; i++){
1152 *(uint32_t*)(&s->me.scratchpad[i*s->linesize+ 0]) = mean;
1153 *(uint32_t*)(&s->me.scratchpad[i*s->linesize+ 4]) = mean;
1154 *(uint32_t*)(&s->me.scratchpad[i*s->linesize+ 8]) = mean;
1155 *(uint32_t*)(&s->me.scratchpad[i*s->linesize+12]) = mean;
1156 }
1157
1158 intra_score= s->dsp.mb_cmp[0](s, s->me.scratchpad, pix, s->linesize);
1159 }
1160 #if 0 //FIXME
1161 /* get chroma score */
1162 if(s->avctx->mb_cmp&FF_CMP_CHROMA){
1163 for(i=1; i<3; i++){
1164 uint8_t *dest_c;
1165 int mean;
1166
1167 if(s->out_format == FMT_H263){
1168 mean= (s->dc_val[i][mb_x + (mb_y+1)*(s->mb_width+2)] + 4)>>3; //FIXME not exact but simple ;)
1169 }else{
1170 mean= (s->last_dc[i] + 4)>>3;
1171 }
1172 dest_c = s->new_picture.data[i] + (mb_y * 8 * (s->uvlinesize)) + mb_x * 8;
1173
1174 mean*= 0x01010101;
1175 for(i=0; i<8; i++){
1176 *(uint32_t*)(&s->me.scratchpad[i*s->uvlinesize+ 0]) = mean;
1177 *(uint32_t*)(&s->me.scratchpad[i*s->uvlinesize+ 4]) = mean;
1178 }
1179
1180 intra_score+= s->dsp.mb_cmp[1](s, s->me.scratchpad, dest_c, s->uvlinesize);
1181 }
1182 }
1183 #endif
1184 intra_score += s->me.mb_penalty_factor*16;
1185
1186 if(intra_score < dmin){
1187 mb_type= MB_TYPE_INTRA;
1188 s->current_picture.mb_type[mb_y*s->mb_stride + mb_x]= MB_TYPE_INTRA; //FIXME cleanup
1189 }else
1190 s->current_picture.mb_type[mb_y*s->mb_stride + mb_x]= 0;
1191
1192 if (vard <= 64 || vard < varc) { //FIXME
1193 s->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
1194 }else{
1195 s->scene_change_score+= s->qscale;
1196 }
1197 }
1198
1199 s->mb_type[mb_y*s->mb_stride + mb_x]= mb_type;
1200 }
1201
1202 int ff_pre_estimate_p_frame_motion(MpegEncContext * s,
1203 int mb_x, int mb_y)
1204 {
1205 int mx, my, range, dmin;
1206 int xmin, ymin, xmax, ymax;
1207 int rel_xmin, rel_ymin, rel_xmax, rel_ymax;
1208 int pred_x=0, pred_y=0;
1209 int P[10][2];
1210 const int shift= 1+s->quarter_sample;
1211 uint8_t * const mv_penalty= s->me.mv_penalty[s->f_code] + MAX_MV;
1212 const int xy= mb_x + mb_y*s->mb_stride;
1213
1214 assert(s->quarter_sample==0 || s->quarter_sample==1);
1215
1216 s->me.pre_penalty_factor = get_penalty_factor(s, s->avctx->me_pre_cmp);
1217
1218 get_limits(s, &range, &xmin, &ymin, &xmax, &ymax);
1219 rel_xmin= xmin - mb_x*16;
1220 rel_xmax= xmax - mb_x*16;
1221 rel_ymin= ymin - mb_y*16;
1222 rel_ymax= ymax - mb_y*16;
1223 s->me.skip=0;
1224
1225 P_LEFT[0] = s->p_mv_table[xy + 1][0];
1226 P_LEFT[1] = s->p_mv_table[xy + 1][1];
1227
1228 if(P_LEFT[0] < (rel_xmin<<shift)) P_LEFT[0] = (rel_xmin<<shift);
1229
1230 /* special case for first line */
1231 if (mb_y == s->mb_height-1) {
1232 pred_x= P_LEFT[0];
1233 pred_y= P_LEFT[1];
1234 P_TOP[0]= P_TOPRIGHT[0]= P_MEDIAN[0]=
1235 P_TOP[1]= P_TOPRIGHT[1]= P_MEDIAN[1]= 0; //FIXME
1236 } else {
1237 P_TOP[0] = s->p_mv_table[xy + s->mb_stride ][0];
1238 P_TOP[1] = s->p_mv_table[xy + s->mb_stride ][1];
1239 P_TOPRIGHT[0] = s->p_mv_table[xy + s->mb_stride - 1][0];
1240 P_TOPRIGHT[1] = s->p_mv_table[xy + s->mb_stride - 1][1];
1241 if(P_TOP[1] < (rel_ymin<<shift)) P_TOP[1] = (rel_ymin<<shift);
1242 if(P_TOPRIGHT[0] > (rel_xmax<<shift)) P_TOPRIGHT[0]= (rel_xmax<<shift);
1243 if(P_TOPRIGHT[1] < (rel_ymin<<shift)) P_TOPRIGHT[1]= (rel_ymin<<shift);
1244
1245 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1246 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1247
1248 pred_x = P_MEDIAN[0];
1249 pred_y = P_MEDIAN[1];
1250 }
1251 dmin = s->me.pre_motion_search(s, 0, &mx, &my, P, pred_x, pred_y, rel_xmin, rel_ymin, rel_xmax, rel_ymax,
1252 &s->last_picture, s->p_mv_table, (1<<16)>>shift, mv_penalty);
1253
1254 s->p_mv_table[xy][0] = mx<<shift;
1255 s->p_mv_table[xy][1] = my<<shift;
1256
1257 return dmin;
1258 }
1259
1260 static int ff_estimate_motion_b(MpegEncContext * s,
1261 int mb_x, int mb_y, int16_t (*mv_table)[2], Picture *picture, int f_code)
1262 {
1263 int mx, my, range, dmin;
1264 int xmin, ymin, xmax, ymax;
1265 int rel_xmin, rel_ymin, rel_xmax, rel_ymax;
1266 int pred_x=0, pred_y=0;
1267 int P[10][2];
1268 const int shift= 1+s->quarter_sample;
1269 const int mot_stride = s->mb_stride;
1270 const int mot_xy = mb_y*mot_stride + mb_x;
1271 uint8_t * const ref_picture= picture->data[0];
1272 uint8_t * const mv_penalty= s->me.mv_penalty[f_code] + MAX_MV;
1273 int mv_scale;
1274
1275 s->me.penalty_factor = get_penalty_factor(s, s->avctx->me_cmp);
1276 s->me.sub_penalty_factor= get_penalty_factor(s, s->avctx->me_sub_cmp);
1277 s->me.mb_penalty_factor = get_penalty_factor(s, s->avctx->mb_cmp);
1278
1279 get_limits(s, &range, &xmin, &ymin, &xmax, &ymax);
1280 rel_xmin= xmin - mb_x*16;
1281 rel_xmax= xmax - mb_x*16;
1282 rel_ymin= ymin - mb_y*16;
1283 rel_ymax= ymax - mb_y*16;
1284
1285 switch(s->me_method) {
1286 case ME_ZERO:
1287 default:
1288 no_motion_search(s, &mx, &my);
1289 dmin = 0;
1290 mx-= mb_x*16;
1291 my-= mb_y*16;
1292 break;
1293 case ME_FULL:
1294 dmin = full_motion_search(s, &mx, &my, range, xmin, ymin, xmax, ymax, ref_picture);
1295 mx-= mb_x*16;
1296 my-= mb_y*16;
1297 break;
1298 case ME_LOG:
1299 dmin = log_motion_search(s, &mx, &my, range / 2, xmin, ymin, xmax, ymax, ref_picture);
1300 mx-= mb_x*16;
1301 my-= mb_y*16;
1302 break;
1303 case ME_PHODS:
1304 dmin = phods_motion_search(s, &mx, &my, range / 2, xmin, ymin, xmax, ymax, ref_picture);
1305 mx-= mb_x*16;
1306 my-= mb_y*16;
1307 break;
1308 case ME_X1:
1309 case ME_EPZS:
1310 {
1311 P_LEFT[0] = mv_table[mot_xy - 1][0];
1312 P_LEFT[1] = mv_table[mot_xy - 1][1];
1313
1314 if(P_LEFT[0] > (rel_xmax<<shift)) P_LEFT[0] = (rel_xmax<<shift);
1315
1316 /* special case for first line */
1317 if (mb_y) {
1318 P_TOP[0] = mv_table[mot_xy - mot_stride ][0];
1319 P_TOP[1] = mv_table[mot_xy - mot_stride ][1];
1320 P_TOPRIGHT[0] = mv_table[mot_xy - mot_stride + 1 ][0];
1321 P_TOPRIGHT[1] = mv_table[mot_xy - mot_stride + 1 ][1];
1322 if(P_TOP[1] > (rel_ymax<<shift)) P_TOP[1]= (rel_ymax<<shift);
1323 if(P_TOPRIGHT[0] < (rel_xmin<<shift)) P_TOPRIGHT[0]= (rel_xmin<<shift);
1324 if(P_TOPRIGHT[1] > (rel_ymax<<shift)) P_TOPRIGHT[1]= (rel_ymax<<shift);
1325
1326 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1327 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1328 }
1329 pred_x= P_LEFT[0];
1330 pred_y= P_LEFT[1];
1331 }
1332
1333 if(mv_table == s->b_forw_mv_table){
1334 mv_scale= (s->pb_time<<16) / (s->pp_time<<shift);
1335 }else{
1336 mv_scale= ((s->pb_time - s->pp_time)<<16) / (s->pp_time<<shift);
1337 }
1338
1339 dmin = s->me.motion_search[0](s, 0, &mx, &my, P, pred_x, pred_y, rel_xmin, rel_ymin, rel_xmax, rel_ymax,
1340 picture, s->p_mv_table, mv_scale, mv_penalty);
1341
1342 break;
1343 }
1344
1345 dmin= s->me.sub_motion_search(s, &mx, &my, dmin, rel_xmin, rel_ymin, rel_xmax, rel_ymax,
1346 pred_x, pred_y, picture, 0, 0, mv_penalty);
1347
1348 if(s->avctx->me_sub_cmp != s->avctx->mb_cmp && !s->me.skip)
1349 dmin= s->me.get_mb_score(s, mx, my, pred_x, pred_y, picture, mv_penalty);
1350
1351 //printf("%d %d %d %d//", s->mb_x, s->mb_y, mx, my);
1352 // s->mb_type[mb_y*s->mb_width + mb_x]= mb_type;
1353 mv_table[mot_xy][0]= mx;
1354 mv_table[mot_xy][1]= my;
1355
1356 return dmin;
1357 }
1358
1359 static inline int check_bidir_mv(MpegEncContext * s,
1360 int mb_x, int mb_y,
1361 int motion_fx, int motion_fy,
1362 int motion_bx, int motion_by,
1363 int pred_fx, int pred_fy,
1364 int pred_bx, int pred_by)
1365 {
1366 //FIXME optimize?
1367 //FIXME move into template?
1368 //FIXME better f_code prediction (max mv & distance)
1369 uint8_t * const mv_penalty= s->me.mv_penalty[s->f_code] + MAX_MV; // f_code of the prev frame
1370 uint8_t *dest_y = s->me.scratchpad;
1371 uint8_t *ptr;
1372 int dxy;
1373 int src_x, src_y;
1374 int fbmin;
1375
1376 if(s->quarter_sample){
1377 dxy = ((motion_fy & 3) << 2) | (motion_fx & 3);
1378 src_x = mb_x * 16 + (motion_fx >> 2);
1379 src_y = mb_y * 16 + (motion_fy >> 2);
1380 assert(src_x >=-16 && src_x<=s->h_edge_pos);
1381 assert(src_y >=-16 && src_y<=s->v_edge_pos);
1382
1383 ptr = s->last_picture.data[0] + (src_y * s->linesize) + src_x;
1384 s->dsp.put_qpel_pixels_tab[0][dxy](dest_y , ptr , s->linesize);
1385
1386 dxy = ((motion_by & 3) << 2) | (motion_bx & 3);
1387 src_x = mb_x * 16 + (motion_bx >> 2);
1388 src_y = mb_y * 16 + (motion_by >> 2);
1389 assert(src_x >=-16 && src_x<=s->h_edge_pos);
1390 assert(src_y >=-16 && src_y<=s->v_edge_pos);
1391
1392 ptr = s->next_picture.data[0] + (src_y * s->linesize) + src_x;
1393 s->dsp.avg_qpel_pixels_tab[0][dxy](dest_y , ptr , s->linesize);
1394 }else{
1395 dxy = ((motion_fy & 1) << 1) | (motion_fx & 1);
1396 src_x = mb_x * 16 + (motion_fx >> 1);
1397 src_y = mb_y * 16 + (motion_fy >> 1);
1398 assert(src_x >=-16 && src_x<=s->h_edge_pos);
1399 assert(src_y >=-16 && src_y<=s->v_edge_pos);
1400
1401 ptr = s->last_picture.data[0] + (src_y * s->linesize) + src_x;
1402 s->dsp.put_pixels_tab[0][dxy](dest_y , ptr , s->linesize, 16);
1403
1404 dxy = ((motion_by & 1) << 1) | (motion_bx & 1);
1405 src_x = mb_x * 16 + (motion_bx >> 1);
1406 src_y = mb_y * 16 + (motion_by >> 1);
1407 assert(src_x >=-16 && src_x<=s->h_edge_pos);
1408 assert(src_y >=-16 && src_y<=s->v_edge_pos);
1409
1410 ptr = s->next_picture.data[0] + (src_y * s->linesize) + src_x;
1411 s->dsp.avg_pixels_tab[0][dxy](dest_y , ptr , s->linesize, 16);
1412 }
1413
1414 fbmin = (mv_penalty[motion_fx-pred_fx] + mv_penalty[motion_fy-pred_fy])*s->me.mb_penalty_factor
1415 +(mv_penalty[motion_bx-pred_bx] + mv_penalty[motion_by-pred_by])*s->me.mb_penalty_factor
1416 + s->dsp.mb_cmp[0](s, s->new_picture.data[0] + mb_x*16 + mb_y*16*s->linesize, dest_y, s->linesize);
1417
1418 if(s->avctx->mb_cmp&FF_CMP_CHROMA){
1419 }
1420 //FIXME CHROMA !!!
1421
1422 return fbmin;
1423 }
1424
1425 /* refine the bidir vectors in hq mode and return the score in both lq & hq mode*/
1426 static inline int bidir_refine(MpegEncContext * s,
1427 int mb_x, int mb_y)
1428 {
1429 const int mot_stride = s->mb_stride;
1430 const int xy = mb_y *mot_stride + mb_x;
1431 int fbmin;
1432 int pred_fx= s->b_bidir_forw_mv_table[xy-1][0];
1433 int pred_fy= s->b_bidir_forw_mv_table[xy-1][1];
1434 int pred_bx= s->b_bidir_back_mv_table[xy-1][0];
1435 int pred_by= s->b_bidir_back_mv_table[xy-1][1];
1436 int motion_fx= s->b_bidir_forw_mv_table[xy][0]= s->b_forw_mv_table[xy][0];
1437 int motion_fy= s->b_bidir_forw_mv_table[xy][1]= s->b_forw_mv_table[xy][1];
1438 int motion_bx= s->b_bidir_back_mv_table[xy][0]= s->b_back_mv_table[xy][0];
1439 int motion_by= s->b_bidir_back_mv_table[xy][1]= s->b_back_mv_table[xy][1];
1440
1441 //FIXME do refinement and add flag
1442
1443 fbmin= check_bidir_mv(s, mb_x, mb_y,
1444 motion_fx, motion_fy,
1445 motion_bx, motion_by,
1446 pred_fx, pred_fy,
1447 pred_bx, pred_by);
1448
1449 return fbmin;
1450 }
1451
1452 static inline int direct_search(MpegEncContext * s,
1453 int mb_x, int mb_y)
1454 {
1455 int P[10][2];
1456 const int mot_stride = s->mb_stride;
1457 const int mot_xy = mb_y*mot_stride + mb_x;
1458 const int shift= 1+s->quarter_sample;
1459 int dmin, i;
1460 const int time_pp= s->pp_time;
1461 const int time_pb= s->pb_time;
1462 int mx, my, xmin, xmax, ymin, ymax;
1463 int16_t (*mv_table)[2]= s->b_direct_mv_table;
1464 uint8_t * const mv_penalty= s->me.mv_penalty[1] + MAX_MV;
1465
1466 ymin= xmin=(-32)>>shift;
1467 ymax= xmax= 31>>shift;
1468
1469 if(IS_8X8(s->next_picture.mb_type[mot_xy])){
1470 s->mv_type= MV_TYPE_8X8;
1471 }else{
1472 s->mv_type= MV_TYPE_16X16;
1473 }
1474
1475 for(i=0; i<4; i++){
1476 int index= s->block_index[i];
1477 int min, max;
1478
1479 s->me.co_located_mv[i][0]= s->next_picture.motion_val[0][index][0];
1480 s->me.co_located_mv[i][1]= s->next_picture.motion_val[0][index][1];
1481 s->me.direct_basis_mv[i][0]= s->me.co_located_mv[i][0]*time_pb/time_pp + ((i& 1)<<(shift+3));
1482 s->me.direct_basis_mv[i][1]= s->me.co_located_mv[i][1]*time_pb/time_pp + ((i>>1)<<(shift+3));
1483 // s->me.direct_basis_mv[1][i][0]= s->me.co_located_mv[i][0]*(time_pb - time_pp)/time_pp + ((i &1)<<(shift+3);
1484 // s->me.direct_basis_mv[1][i][1]= s->me.co_located_mv[i][1]*(time_pb - time_pp)/time_pp + ((i>>1)<<(shift+3);
1485
1486 max= FFMAX(s->me.direct_basis_mv[i][0], s->me.direct_basis_mv[i][0] - s->me.co_located_mv[i][0])>>shift;
1487 min= FFMIN(s->me.direct_basis_mv[i][0], s->me.direct_basis_mv[i][0] - s->me.co_located_mv[i][0])>>shift;
1488 max+= (2*mb_x + (i& 1))*8 + 1; // +-1 is for the simpler rounding
1489 min+= (2*mb_x + (i& 1))*8 - 1;
1490 xmax= FFMIN(xmax, s->width - max);
1491 xmin= FFMAX(xmin, - 16 - min);
1492
1493 max= FFMAX(s->me.direct_basis_mv[i][1], s->me.direct_basis_mv[i][1] - s->me.co_located_mv[i][1])>>shift;
1494 min= FFMIN(s->me.direct_basis_mv[i][1], s->me.direct_basis_mv[i][1] - s->me.co_located_mv[i][1])>>shift;
1495 max+= (2*mb_y + (i>>1))*8 + 1; // +-1 is for the simpler rounding
1496 min+= (2*mb_y + (i>>1))*8 - 1;
1497 ymax= FFMIN(ymax, s->height - max);
1498 ymin= FFMAX(ymin, - 16 - min);
1499
1500 if(s->mv_type == MV_TYPE_16X16) break;
1501 }
1502
1503 assert(xmax <= 15 && ymax <= 15 && xmin >= -16 && ymin >= -16);
1504
1505 if(xmax < 0 || xmin >0 || ymax < 0 || ymin > 0){
1506 s->b_direct_mv_table[mot_xy][0]= 0;
1507 s->b_direct_mv_table[mot_xy][1]= 0;
1508
1509 return 256*256*256*64;
1510 }
1511
1512 P_LEFT[0] = clip(mv_table[mot_xy - 1][0], xmin<<shift, xmax<<shift);
1513 P_LEFT[1] = clip(mv_table[mot_xy - 1][1], ymin<<shift, ymax<<shift);
1514
1515 /* special case for first line */
1516 if (mb_y) {
1517 P_TOP[0] = clip(mv_table[mot_xy - mot_stride ][0], xmin<<shift, xmax<<shift);
1518 P_TOP[1] = clip(mv_table[mot_xy - mot_stride ][1], ymin<<shift, ymax<<shift);
1519 P_TOPRIGHT[0] = clip(mv_table[mot_xy - mot_stride + 1 ][0], xmin<<shift, xmax<<shift);
1520 P_TOPRIGHT[1] = clip(mv_table[mot_xy - mot_stride + 1 ][1], ymin<<shift, ymax<<shift);
1521
1522 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1523 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1524 }
1525
1526 //FIXME direct_search ptr in context!!! (needed for chroma anyway or this will get messy)
1527 if(s->flags&CODEC_FLAG_QPEL){
1528 dmin = simple_direct_qpel_epzs_motion_search(s, 0, &mx, &my, P, 0, 0, xmin, ymin, xmax, ymax,
1529 &s->last_picture, mv_table, 1<<14, mv_penalty);
1530 dmin = simple_direct_qpel_qpel_motion_search(s, &mx, &my, dmin, xmin, ymin, xmax, ymax,
1531 0, 0, &s->last_picture, 0, 0, mv_penalty);
1532
1533 if(s->avctx->me_sub_cmp != s->avctx->mb_cmp && !s->me.skip)
1534 dmin= simple_direct_qpel_qpel_get_mb_score(s, mx, my, 0, 0, &s->last_picture, mv_penalty);
1535 }else{
1536 dmin = simple_direct_hpel_epzs_motion_search(s, 0, &mx, &my, P, 0, 0, xmin, ymin, xmax, ymax,
1537 &s->last_picture, mv_table, 1<<15, mv_penalty);
1538 dmin = simple_direct_hpel_hpel_motion_search(s, &mx, &my, dmin, xmin, ymin, xmax, ymax,
1539 0, 0, &s->last_picture, 0, 0, mv_penalty);
1540
1541 if(s->avctx->me_sub_cmp != s->avctx->mb_cmp && !s->me.skip)
1542 dmin= simple_direct_hpel_hpel_get_mb_score(s, mx, my, 0, 0, &s->last_picture, mv_penalty);
1543 }
1544
1545 s->b_direct_mv_table[mot_xy][0]= mx;
1546 s->b_direct_mv_table[mot_xy][1]= my;
1547 return dmin;
1548 }
1549
1550 void ff_estimate_b_frame_motion(MpegEncContext * s,
1551 int mb_x, int mb_y)
1552 {
1553 const int penalty_factor= s->me.mb_penalty_factor;
1554 int fmin, bmin, dmin, fbmin;
1555 int type=0;
1556
1557 s->me.skip=0;
1558 if (s->codec_id == CODEC_ID_MPEG4)
1559 dmin= direct_search(s, mb_x, mb_y);
1560 else
1561 dmin= INT_MAX;
1562
1563 s->me.skip=0;
1564 fmin= ff_estimate_motion_b(s, mb_x, mb_y, s->b_forw_mv_table, &s->last_picture, s->f_code) + 3*penalty_factor;
1565
1566 s->me.skip=0;
1567 bmin= ff_estimate_motion_b(s, mb_x, mb_y, s->b_back_mv_table, &s->next_picture, s->b_code) + 2*penalty_factor;
1568 //printf(" %d %d ", s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1]);
1569
1570 s->me.skip=0;
1571 fbmin= bidir_refine(s, mb_x, mb_y) + penalty_factor;
1572 //printf("%d %d %d %d\n", dmin, fmin, bmin, fbmin);
1573 {
1574 int score= fmin;
1575 type = MB_TYPE_FORWARD;
1576
1577 if (dmin <= score){
1578 score = dmin;
1579 type = MB_TYPE_DIRECT;
1580 }
1581 if(bmin<score){
1582 score=bmin;
1583 type= MB_TYPE_BACKWARD;
1584 }
1585 if(fbmin<score){
1586 score=fbmin;
1587 type= MB_TYPE_BIDIR;
1588 }
1589
1590 score= ((unsigned)(score*score + 128*256))>>16;
1591 s->current_picture.mc_mb_var_sum += score;
1592 s->current_picture.mc_mb_var[mb_y*s->mb_stride + mb_x] = score; //FIXME use SSE
1593 }
1594
1595 if(s->avctx->mb_decision > FF_MB_DECISION_SIMPLE){
1596 type= MB_TYPE_FORWARD | MB_TYPE_BACKWARD | MB_TYPE_BIDIR | MB_TYPE_DIRECT; //FIXME something smarter
1597 if(dmin>256*256*16) type&= ~MB_TYPE_DIRECT; //dont try direct mode if its invalid for this MB
1598 }
1599
1600 s->mb_type[mb_y*s->mb_stride + mb_x]= type;
1601 }
1602
1603 /* find best f_code for ME which do unlimited searches */
1604 int ff_get_best_fcode(MpegEncContext * s, int16_t (*mv_table)[2], int type)
1605 {
1606 if(s->me_method>=ME_EPZS){
1607 int score[8];
1608 int i, y;
1609 uint8_t * fcode_tab= s->fcode_tab;
1610 int best_fcode=-1;
1611 int best_score=-10000000;
1612
1613 for(i=0; i<8; i++) score[i]= s->mb_num*(8-i);
1614
1615 for(y=0; y<s->mb_height; y++){
1616 int x;
1617 int xy= y*s->mb_stride;
1618 for(x=0; x<s->mb_width; x++){
1619 if(s->mb_type[xy] & type){
1620 int fcode= FFMAX(fcode_tab[mv_table[xy][0] + MAX_MV],
1621 fcode_tab[mv_table[xy][1] + MAX_MV]);
1622 int j;
1623
1624 for(j=0; j<fcode && j<8; j++){
1625 if(s->pict_type==B_TYPE || s->current_picture.mc_mb_var[xy] < s->current_picture.mb_var[xy])
1626 score[j]-= 170;
1627 }
1628 }
1629 xy++;
1630 }
1631 }
1632
1633 for(i=1; i<8; i++){
1634 if(score[i] > best_score){
1635 best_score= score[i];
1636 best_fcode= i;
1637 }
1638 // printf("%d %d\n", i, score[i]);
1639 }
1640
1641 // printf("fcode: %d type: %d\n", i, s->pict_type);
1642 return best_fcode;
1643 /* for(i=0; i<=MAX_FCODE; i++){
1644 printf("%d ", mv_num[i]);
1645 }
1646 printf("\n");*/
1647 }else{
1648 return 1;
1649 }
1650 }
1651
1652 void ff_fix_long_p_mvs(MpegEncContext * s)
1653 {
1654 const int f_code= s->f_code;
1655 int y, range;
1656 assert(s->pict_type==P_TYPE);
1657
1658 range = (((s->out_format == FMT_MPEG1) ? 8 : 16) << f_code);
1659
1660 if(s->msmpeg4_version) range= 16;
1661
1662 if(s->avctx->me_range && range > s->avctx->me_range) range= s->avctx->me_range;
1663
1664 /* clip / convert to intra 16x16 type MVs */
1665 for(y=0; y<s->mb_height; y++){
1666 int x;
1667 int xy= y*s->mb_stride;
1668 for(x=0; x<s->mb_width; x++){
1669 if(s->mb_type[xy]&MB_TYPE_INTER){
1670 if( s->p_mv_table[xy][0] >=range || s->p_mv_table[xy][0] <-range
1671 || s->p_mv_table[xy][1] >=range || s->p_mv_table[xy][1] <-range){
1672 s->mb_type[xy] &= ~MB_TYPE_INTER;
1673 s->mb_type[xy] |= MB_TYPE_INTRA;
1674 s->current_picture.mb_type[xy]= MB_TYPE_INTRA;
1675 s->p_mv_table[xy][0] = 0;
1676 s->p_mv_table[xy][1] = 0;
1677 }
1678 }
1679 xy++;
1680 }
1681 }
1682 //printf("%d no:%d %d//\n", clip, noclip, f_code);
1683 if(s->flags&CODEC_FLAG_4MV){
1684 const int wrap= 2+ s->mb_width*2;
1685
1686 /* clip / convert to intra 8x8 type MVs */
1687 for(y=0; y<s->mb_height; y++){
1688 int xy= (y*2 + 1)*wrap + 1;
1689 int i= y*s->mb_stride;
1690 int x;
1691
1692 for(x=0; x<s->mb_width; x++){
1693 if(s->mb_type[i]&MB_TYPE_INTER4V){
1694 int block;
1695 for(block=0; block<4; block++){
1696 int off= (block& 1) + (block>>1)*wrap;
1697 int mx= s->current_picture.motion_val[0][ xy + off ][0];
1698 int my= s->current_picture.motion_val[0][ xy + off ][1];
1699
1700 if( mx >=range || mx <-range
1701 || my >=range || my <-range){
1702 s->mb_type[i] &= ~MB_TYPE_INTER4V;
1703 s->mb_type[i] |= MB_TYPE_INTRA;
1704 s->current_picture.mb_type[i]= MB_TYPE_INTRA;
1705 }
1706 }
1707 }
1708 xy+=2;
1709 i++;
1710 }
1711 }
1712 }
1713 }
1714
1715 void ff_fix_long_b_mvs(MpegEncContext * s, int16_t (*mv_table)[2], int f_code, int type)
1716 {
1717 int y;
1718
1719 // RAL: 8 in MPEG-1, 16 in MPEG-4
1720 int range = (((s->out_format == FMT_MPEG1) ? 8 : 16) << f_code);
1721
1722 if(s->avctx->me_range && range > s->avctx->me_range) range= s->avctx->me_range;
1723
1724 /* clip / convert to intra 16x16 type MVs */
1725 for(y=0; y<s->mb_height; y++){
1726 int x;
1727 int xy= y*s->mb_stride;
1728 for(x=0; x<s->mb_width; x++){
1729 if (s->mb_type[xy] & type){ // RAL: "type" test added...
1730 if( mv_table[xy][0] >=range || mv_table[xy][0] <-range
1731 || mv_table[xy][1] >=range || mv_table[xy][1] <-range){
1732
1733 if(s->codec_id == CODEC_ID_MPEG1VIDEO && 0){
1734 }else{
1735 if (mv_table[xy][0] > range-1) mv_table[xy][0]= range-1;
1736 else if(mv_table[xy][0] < -range ) mv_table[xy][0]= -range;
1737 if (mv_table[xy][1] > range-1) mv_table[xy][1]= range-1;
1738 else if(mv_table[xy][1] < -range ) mv_table[xy][1]= -range;
1739 }
1740 }
1741 }
1742 xy++;
1743 }
1744 }
1745 }