Libav
motion_est.c
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1 /*
2  * Motion estimation
3  * Copyright (c) 2000,2001 Fabrice Bellard
4  * Copyright (c) 2002-2004 Michael Niedermayer
5  *
6  * new motion estimation (X1/EPZS) by Michael Niedermayer <michaelni@gmx.at>
7  *
8  * This file is part of Libav.
9  *
10  * Libav is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU Lesser General Public
12  * License as published by the Free Software Foundation; either
13  * version 2.1 of the License, or (at your option) any later version.
14  *
15  * Libav 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 GNU
18  * Lesser General Public License for more details.
19  *
20  * You should have received a copy of the GNU Lesser General Public
21  * License along with Libav; if not, write to the Free Software
22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23  */
24 
30 #include <stdlib.h>
31 #include <stdio.h>
32 #include <limits.h>
33 
34 #include "avcodec.h"
35 #include "internal.h"
36 #include "mathops.h"
37 #include "motion_est.h"
38 #include "mpegutils.h"
39 #include "mpegvideo.h"
40 
41 #undef NDEBUG
42 #include <assert.h>
43 
44 #define P_LEFT P[1]
45 #define P_TOP P[2]
46 #define P_TOPRIGHT P[3]
47 #define P_MEDIAN P[4]
48 #define P_MV1 P[9]
49 
50 #define ME_MAP_SHIFT 3
51 #define ME_MAP_MV_BITS 11
52 
54  int *mx_ptr, int *my_ptr, int dmin,
55  int src_index, int ref_index,
56  int size, int h);
57 
58 static inline unsigned update_map_generation(MotionEstContext *c)
59 {
60  c->map_generation+= 1<<(ME_MAP_MV_BITS*2);
61  if(c->map_generation==0){
62  c->map_generation= 1<<(ME_MAP_MV_BITS*2);
63  memset(c->map, 0, sizeof(uint32_t)*ME_MAP_SIZE);
64  }
65  return c->map_generation;
66 }
67 
68 /* shape adaptive search stuff */
69 typedef struct Minima{
70  int height;
71  int x, y;
72  int checked;
73 }Minima;
74 
75 static int minima_cmp(const void *a, const void *b){
76  const Minima *da = (const Minima *) a;
77  const Minima *db = (const Minima *) b;
78 
79  return da->height - db->height;
80 }
81 
82 #define FLAG_QPEL 1 //must be 1
83 #define FLAG_CHROMA 2
84 #define FLAG_DIRECT 4
85 
86 static inline void init_ref(MotionEstContext *c, uint8_t *src[3], uint8_t *ref[3], uint8_t *ref2[3], int x, int y, int ref_index){
87  const int offset[3]= {
88  y*c-> stride + x,
89  ((y*c->uvstride + x)>>1),
90  ((y*c->uvstride + x)>>1),
91  };
92  int i;
93  for(i=0; i<3; i++){
94  c->src[0][i]= src [i] + offset[i];
95  c->ref[0][i]= ref [i] + offset[i];
96  }
97  if(ref_index){
98  for(i=0; i<3; i++){
99  c->ref[ref_index][i]= ref2[i] + offset[i];
100  }
101  }
102 }
103 
104 static int get_flags(MotionEstContext *c, int direct, int chroma){
105  return ((c->avctx->flags&AV_CODEC_FLAG_QPEL) ? FLAG_QPEL : 0)
106  + (direct ? FLAG_DIRECT : 0)
107  + (chroma ? FLAG_CHROMA : 0);
108 }
109 
110 static av_always_inline int cmp_direct_inline(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
111  const int size, const int h, int ref_index, int src_index,
112  me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, int qpel){
113  MotionEstContext * const c= &s->me;
114  const int stride= c->stride;
115  const int hx= subx + (x<<(1+qpel));
116  const int hy= suby + (y<<(1+qpel));
117  uint8_t * const * const ref= c->ref[ref_index];
118  uint8_t * const * const src= c->src[src_index];
119  int d;
120  //FIXME check chroma 4mv, (no crashes ...)
121  assert(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1));
122  if(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1)){
123  const int time_pp= s->pp_time;
124  const int time_pb= s->pb_time;
125  const int mask= 2*qpel+1;
126  if(s->mv_type==MV_TYPE_8X8){
127  int i;
128  for(i=0; i<4; i++){
129  int fx = c->direct_basis_mv[i][0] + hx;
130  int fy = c->direct_basis_mv[i][1] + hy;
131  int bx = hx ? fx - c->co_located_mv[i][0] : c->co_located_mv[i][0]*(time_pb - time_pp)/time_pp + ((i &1)<<(qpel+4));
132  int by = hy ? fy - c->co_located_mv[i][1] : c->co_located_mv[i][1]*(time_pb - time_pp)/time_pp + ((i>>1)<<(qpel+4));
133  int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));
134  int bxy= (bx&mask) + ((by&mask)<<(qpel+1));
135 
136  uint8_t *dst= c->temp + 8*(i&1) + 8*stride*(i>>1);
137  if(qpel){
138  c->qpel_put[1][fxy](dst, ref[0] + (fx>>2) + (fy>>2)*stride, stride);
139  c->qpel_avg[1][bxy](dst, ref[8] + (bx>>2) + (by>>2)*stride, stride);
140  }else{
141  c->hpel_put[1][fxy](dst, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 8);
142  c->hpel_avg[1][bxy](dst, ref[8] + (bx>>1) + (by>>1)*stride, stride, 8);
143  }
144  }
145  }else{
146  int fx = c->direct_basis_mv[0][0] + hx;
147  int fy = c->direct_basis_mv[0][1] + hy;
148  int bx = hx ? fx - c->co_located_mv[0][0] : (c->co_located_mv[0][0]*(time_pb - time_pp)/time_pp);
149  int by = hy ? fy - c->co_located_mv[0][1] : (c->co_located_mv[0][1]*(time_pb - time_pp)/time_pp);
150  int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));
151  int bxy= (bx&mask) + ((by&mask)<<(qpel+1));
152 
153  if(qpel){
154  c->qpel_put[1][fxy](c->temp , ref[0] + (fx>>2) + (fy>>2)*stride , stride);
155  c->qpel_put[1][fxy](c->temp + 8 , ref[0] + (fx>>2) + (fy>>2)*stride + 8 , stride);
156  c->qpel_put[1][fxy](c->temp + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8*stride, stride);
157  c->qpel_put[1][fxy](c->temp + 8 + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8 + 8*stride, stride);
158  c->qpel_avg[1][bxy](c->temp , ref[8] + (bx>>2) + (by>>2)*stride , stride);
159  c->qpel_avg[1][bxy](c->temp + 8 , ref[8] + (bx>>2) + (by>>2)*stride + 8 , stride);
160  c->qpel_avg[1][bxy](c->temp + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8*stride, stride);
161  c->qpel_avg[1][bxy](c->temp + 8 + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8 + 8*stride, stride);
162  }else{
163  assert((fx>>1) + 16*s->mb_x >= -16);
164  assert((fy>>1) + 16*s->mb_y >= -16);
165  assert((fx>>1) + 16*s->mb_x <= s->width);
166  assert((fy>>1) + 16*s->mb_y <= s->height);
167  assert((bx>>1) + 16*s->mb_x >= -16);
168  assert((by>>1) + 16*s->mb_y >= -16);
169  assert((bx>>1) + 16*s->mb_x <= s->width);
170  assert((by>>1) + 16*s->mb_y <= s->height);
171 
172  c->hpel_put[0][fxy](c->temp, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 16);
173  c->hpel_avg[0][bxy](c->temp, ref[8] + (bx>>1) + (by>>1)*stride, stride, 16);
174  }
175  }
176  d = cmp_func(s, c->temp, src[0], stride, 16);
177  }else
178  d= 256*256*256*32;
179  return d;
180 }
181 
182 static av_always_inline int cmp_inline(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
183  const int size, const int h, int ref_index, int src_index,
184  me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, int qpel, int chroma){
185  MotionEstContext * const c= &s->me;
186  const int stride= c->stride;
187  const int uvstride= c->uvstride;
188  const int dxy= subx + (suby<<(1+qpel)); //FIXME log2_subpel?
189  const int hx= subx + (x<<(1+qpel));
190  const int hy= suby + (y<<(1+qpel));
191  uint8_t * const * const ref= c->ref[ref_index];
192  uint8_t * const * const src= c->src[src_index];
193  int d;
194  //FIXME check chroma 4mv, (no crashes ...)
195  int uvdxy; /* no, it might not be used uninitialized */
196  if(dxy){
197  if(qpel){
198  c->qpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride); //FIXME prototype (add h)
199  if(chroma){
200  int cx= hx/2;
201  int cy= hy/2;
202  cx= (cx>>1)|(cx&1);
203  cy= (cy>>1)|(cy&1);
204  uvdxy= (cx&1) + 2*(cy&1);
205  // FIXME x/y wrong, but MPEG-4 qpel is sick anyway, we should drop as much of it as possible in favor for H.264
206  }
207  }else{
208  c->hpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride, h);
209  if(chroma)
210  uvdxy= dxy | (x&1) | (2*(y&1));
211  }
212  d = cmp_func(s, c->temp, src[0], stride, h);
213  }else{
214  d = cmp_func(s, src[0], ref[0] + x + y*stride, stride, h);
215  if(chroma)
216  uvdxy= (x&1) + 2*(y&1);
217  }
218  if(chroma){
219  uint8_t * const uvtemp= c->temp + 16*stride;
220  c->hpel_put[size+1][uvdxy](uvtemp , ref[1] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1);
221  c->hpel_put[size+1][uvdxy](uvtemp+8, ref[2] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1);
222  d += chroma_cmp_func(s, uvtemp , src[1], uvstride, h>>1);
223  d += chroma_cmp_func(s, uvtemp+8, src[2], uvstride, h>>1);
224  }
225  return d;
226 }
227 
228 static int cmp_simple(MpegEncContext *s, const int x, const int y,
229  int ref_index, int src_index,
230  me_cmp_func cmp_func, me_cmp_func chroma_cmp_func){
231  return cmp_inline(s,x,y,0,0,0,16,ref_index,src_index, cmp_func, chroma_cmp_func, 0, 0);
232 }
233 
234 static int cmp_fpel_internal(MpegEncContext *s, const int x, const int y,
235  const int size, const int h, int ref_index, int src_index,
236  me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
237  if(flags&FLAG_DIRECT){
238  return cmp_direct_inline(s,x,y,0,0,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, flags&FLAG_QPEL);
239  }else{
240  return cmp_inline(s,x,y,0,0,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 0, flags&FLAG_CHROMA);
241  }
242 }
243 
244 static int cmp_internal(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
245  const int size, const int h, int ref_index, int src_index,
246  me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
247  if(flags&FLAG_DIRECT){
248  return cmp_direct_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, flags&FLAG_QPEL);
249  }else{
250  return cmp_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, flags&FLAG_QPEL, flags&FLAG_CHROMA);
251  }
252 }
253 
257 static av_always_inline int cmp(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
258  const int size, const int h, int ref_index, int src_index,
259  me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
262  && flags==0 && h==16 && size==0 && subx==0 && suby==0){
263  return cmp_simple(s,x,y,ref_index,src_index, cmp_func, chroma_cmp_func);
264  }else if(av_builtin_constant_p(subx) && av_builtin_constant_p(suby)
265  && subx==0 && suby==0){
266  return cmp_fpel_internal(s,x,y,size,h,ref_index,src_index, cmp_func, chroma_cmp_func,flags);
267  }else{
268  return cmp_internal(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, flags);
269  }
270 }
271 
272 static int cmp_hpel(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
273  const int size, const int h, int ref_index, int src_index,
274  me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
275  if(flags&FLAG_DIRECT){
276  return cmp_direct_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 0);
277  }else{
278  return cmp_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 0, flags&FLAG_CHROMA);
279  }
280 }
281 
282 static int cmp_qpel(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
283  const int size, const int h, int ref_index, int src_index,
284  me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
285  if(flags&FLAG_DIRECT){
286  return cmp_direct_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 1);
287  }else{
288  return cmp_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 1, flags&FLAG_CHROMA);
289  }
290 }
291 
292 #include "motion_est_template.c"
293 
295  ptrdiff_t stride, int h)
296 {
297  return 0;
298 }
299 
300 static void zero_hpel(uint8_t *a, const uint8_t *b, ptrdiff_t stride, int h){
301 }
302 
304  MotionEstContext * const c= &s->me;
305  int cache_size= FFMIN(ME_MAP_SIZE>>ME_MAP_SHIFT, 1<<ME_MAP_SHIFT);
306  int dia_size= FFMAX(FFABS(s->avctx->dia_size)&255, FFABS(s->avctx->pre_dia_size)&255);
307 
309  av_log(s->avctx, AV_LOG_ERROR, "ME_MAP size is too small for SAB diamond\n");
310  return -1;
311  }
312 
313 #if FF_API_MOTION_EST
315  if (s->motion_est == FF_ME_EPZS) {
316  if (s->me_method == ME_ZERO)
317  s->motion_est = FF_ME_ZERO;
318  else if (s->me_method == ME_EPZS)
319  s->motion_est = FF_ME_EPZS;
320  else if (s->me_method == ME_X1)
321  s->motion_est = FF_ME_XONE;
322  else {
324  "me_method is only allowed to be set to zero and epzs; "
325  "for hex,umh,full and others see dia_size\n");
326  return -1;
327  }
328  }
330 #endif
331 
332  c->avctx= s->avctx;
333 
334  if(cache_size < 2*dia_size && !c->stride){
335  av_log(s->avctx, AV_LOG_INFO, "ME_MAP size may be a little small for the selected diamond size\n");
336  }
337 
339  ff_set_cmp(&s->mecc, s->mecc.me_cmp, c->avctx->me_cmp);
341  ff_set_cmp(&s->mecc, s->mecc.mb_cmp, c->avctx->mb_cmp);
342 
343  c->flags = get_flags(c, 0, c->avctx->me_cmp &FF_CMP_CHROMA);
345  c->mb_flags = get_flags(c, 0, c->avctx->mb_cmp &FF_CMP_CHROMA);
346 
347 /*FIXME s->no_rounding b_type*/
348  if (s->avctx->flags & AV_CODEC_FLAG_QPEL) {
351  if (s->no_rounding)
353  else
355  }else{
358  else if( c->avctx->me_sub_cmp == FF_CMP_SAD
359  && c->avctx-> me_cmp == FF_CMP_SAD
360  && c->avctx-> mb_cmp == FF_CMP_SAD)
361  c->sub_motion_search= sad_hpel_motion_search; // 2050 vs. 2450 cycles
362  else
364  }
365  c->hpel_avg = s->hdsp.avg_pixels_tab;
366  if (s->no_rounding)
368  else
369  c->hpel_put = s->hdsp.put_pixels_tab;
370 
371  if(s->linesize){
372  c->stride = s->linesize;
373  c->uvstride= s->uvlinesize;
374  }else{
375  c->stride = 16*s->mb_width + 32;
376  c->uvstride= 8*s->mb_width + 16;
377  }
378 
379  /* 8x8 fullpel search would need a 4x4 chroma compare, which we do
380  * not have yet, and even if we had, the motion estimation code
381  * does not expect it. */
382  if ((c->avctx->me_cmp & FF_CMP_CHROMA) /* && !s->mecc.me_cmp[2] */)
383  s->mecc.me_cmp[2] = zero_cmp;
384  if ((c->avctx->me_sub_cmp & FF_CMP_CHROMA) && !s->mecc.me_sub_cmp[2])
385  s->mecc.me_sub_cmp[2] = zero_cmp;
386  c->hpel_put[2][0]= c->hpel_put[2][1]=
387  c->hpel_put[2][2]= c->hpel_put[2][3]= zero_hpel;
388 
389  if(s->codec_id == AV_CODEC_ID_H261){
391  }
392 
393  return 0;
394 }
395 
396 #define CHECK_SAD_HALF_MV(suffix, x, y) \
397 {\
398  d = s->mecc.pix_abs[size][(x ? 1 : 0) + (y ? 2 : 0)](NULL, pix, ptr + ((x) >> 1), stride, h); \
399  d += (mv_penalty[pen_x + x] + mv_penalty[pen_y + y])*penalty_factor;\
400  COPY3_IF_LT(dminh, d, dx, x, dy, y)\
401 }
402 
404  int *mx_ptr, int *my_ptr, int dmin,
405  int src_index, int ref_index,
406  int size, int h)
407 {
408  MotionEstContext * const c= &s->me;
409  const int penalty_factor= c->sub_penalty_factor;
410  int mx, my, dminh;
411  uint8_t *pix, *ptr;
412  int stride= c->stride;
413  const int flags= c->sub_flags;
415 
416  assert(flags == 0);
417 
418  if(c->skip){
419  *mx_ptr = 0;
420  *my_ptr = 0;
421  return dmin;
422  }
423 
424  pix = c->src[src_index][0];
425 
426  mx = *mx_ptr;
427  my = *my_ptr;
428  ptr = c->ref[ref_index][0] + (my * stride) + mx;
429 
430  dminh = dmin;
431 
432  if (mx > xmin && mx < xmax &&
433  my > ymin && my < ymax) {
434  int dx=0, dy=0;
435  int d, pen_x, pen_y;
436  const int index= (my<<ME_MAP_SHIFT) + mx;
437  const int t= score_map[(index-(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)];
438  const int l= score_map[(index- 1 )&(ME_MAP_SIZE-1)];
439  const int r= score_map[(index+ 1 )&(ME_MAP_SIZE-1)];
440  const int b= score_map[(index+(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)];
441  mx<<=1;
442  my<<=1;
443 
444 
445  pen_x= pred_x + mx;
446  pen_y= pred_y + my;
447 
448  ptr-= stride;
449  if(t<=b){
450  CHECK_SAD_HALF_MV(y2 , 0, -1)
451  if(l<=r){
452  CHECK_SAD_HALF_MV(xy2, -1, -1)
453  if(t+r<=b+l){
454  CHECK_SAD_HALF_MV(xy2, +1, -1)
455  ptr+= stride;
456  }else{
457  ptr+= stride;
458  CHECK_SAD_HALF_MV(xy2, -1, +1)
459  }
460  CHECK_SAD_HALF_MV(x2 , -1, 0)
461  }else{
462  CHECK_SAD_HALF_MV(xy2, +1, -1)
463  if(t+l<=b+r){
464  CHECK_SAD_HALF_MV(xy2, -1, -1)
465  ptr+= stride;
466  }else{
467  ptr+= stride;
468  CHECK_SAD_HALF_MV(xy2, +1, +1)
469  }
470  CHECK_SAD_HALF_MV(x2 , +1, 0)
471  }
472  }else{
473  if(l<=r){
474  if(t+l<=b+r){
475  CHECK_SAD_HALF_MV(xy2, -1, -1)
476  ptr+= stride;
477  }else{
478  ptr+= stride;
479  CHECK_SAD_HALF_MV(xy2, +1, +1)
480  }
481  CHECK_SAD_HALF_MV(x2 , -1, 0)
482  CHECK_SAD_HALF_MV(xy2, -1, +1)
483  }else{
484  if(t+r<=b+l){
485  CHECK_SAD_HALF_MV(xy2, +1, -1)
486  ptr+= stride;
487  }else{
488  ptr+= stride;
489  CHECK_SAD_HALF_MV(xy2, -1, +1)
490  }
491  CHECK_SAD_HALF_MV(x2 , +1, 0)
492  CHECK_SAD_HALF_MV(xy2, +1, +1)
493  }
494  CHECK_SAD_HALF_MV(y2 , 0, +1)
495  }
496  mx+=dx;
497  my+=dy;
498 
499  }else{
500  mx<<=1;
501  my<<=1;
502  }
503 
504  *mx_ptr = mx;
505  *my_ptr = my;
506  return dminh;
507 }
508 
509 static inline void set_p_mv_tables(MpegEncContext * s, int mx, int my, int mv4)
510 {
511  const int xy= s->mb_x + s->mb_y*s->mb_stride;
512 
513  s->p_mv_table[xy][0] = mx;
514  s->p_mv_table[xy][1] = my;
515 
516  /* has already been set to the 4 MV if 4MV is done */
517  if(mv4){
518  int mot_xy= s->block_index[0];
519 
520  s->current_picture.motion_val[0][mot_xy ][0] = mx;
521  s->current_picture.motion_val[0][mot_xy ][1] = my;
522  s->current_picture.motion_val[0][mot_xy + 1][0] = mx;
523  s->current_picture.motion_val[0][mot_xy + 1][1] = my;
524 
525  mot_xy += s->b8_stride;
526  s->current_picture.motion_val[0][mot_xy ][0] = mx;
527  s->current_picture.motion_val[0][mot_xy ][1] = my;
528  s->current_picture.motion_val[0][mot_xy + 1][0] = mx;
529  s->current_picture.motion_val[0][mot_xy + 1][1] = my;
530  }
531 }
532 
536 static inline void get_limits(MpegEncContext *s, int x, int y)
537 {
538  MotionEstContext * const c= &s->me;
539  int range= c->avctx->me_range >> (1 + !!(c->flags&FLAG_QPEL));
540 /*
541  if(c->avctx->me_range) c->range= c->avctx->me_range >> 1;
542  else c->range= 16;
543 */
544  if (s->unrestricted_mv) {
545  c->xmin = - x - 16;
546  c->ymin = - y - 16;
547  c->xmax = - x + s->mb_width *16;
548  c->ymax = - y + s->mb_height*16;
549  } else if (s->out_format == FMT_H261){
550  // Search range of H.261 is different from other codec standards
551  c->xmin = (x > 15) ? - 15 : 0;
552  c->ymin = (y > 15) ? - 15 : 0;
553  c->xmax = (x < s->mb_width * 16 - 16) ? 15 : 0;
554  c->ymax = (y < s->mb_height * 16 - 16) ? 15 : 0;
555  } else {
556  c->xmin = - x;
557  c->ymin = - y;
558  c->xmax = - x + s->mb_width *16 - 16;
559  c->ymax = - y + s->mb_height*16 - 16;
560  }
561  if(range){
562  c->xmin = FFMAX(c->xmin,-range);
563  c->xmax = FFMIN(c->xmax, range);
564  c->ymin = FFMAX(c->ymin,-range);
565  c->ymax = FFMIN(c->ymax, range);
566  }
567 }
568 
569 static inline void init_mv4_ref(MotionEstContext *c){
570  const int stride= c->stride;
571 
572  c->ref[1][0] = c->ref[0][0] + 8;
573  c->ref[2][0] = c->ref[0][0] + 8*stride;
574  c->ref[3][0] = c->ref[2][0] + 8;
575  c->src[1][0] = c->src[0][0] + 8;
576  c->src[2][0] = c->src[0][0] + 8*stride;
577  c->src[3][0] = c->src[2][0] + 8;
578 }
579 
580 static inline int h263_mv4_search(MpegEncContext *s, int mx, int my, int shift)
581 {
582  MotionEstContext * const c= &s->me;
583  const int size= 1;
584  const int h=8;
585  int block;
586  int P[10][2];
587  int dmin_sum=0, mx4_sum=0, my4_sum=0;
588  int same=1;
589  const int stride= c->stride;
591 
592  init_mv4_ref(c);
593 
594  for(block=0; block<4; block++){
595  int mx4, my4;
596  int pred_x4, pred_y4;
597  int dmin4;
598  static const int off[4]= {2, 1, 1, -1};
599  const int mot_stride = s->b8_stride;
600  const int mot_xy = s->block_index[block];
601 
602  P_LEFT[0] = s->current_picture.motion_val[0][mot_xy - 1][0];
603  P_LEFT[1] = s->current_picture.motion_val[0][mot_xy - 1][1];
604 
605  if(P_LEFT[0] > (c->xmax<<shift)) P_LEFT[0] = (c->xmax<<shift);
606 
607  /* special case for first line */
608  if (s->first_slice_line && block<2) {
609  c->pred_x= pred_x4= P_LEFT[0];
610  c->pred_y= pred_y4= P_LEFT[1];
611  } else {
612  P_TOP[0] = s->current_picture.motion_val[0][mot_xy - mot_stride ][0];
613  P_TOP[1] = s->current_picture.motion_val[0][mot_xy - mot_stride ][1];
614  P_TOPRIGHT[0] = s->current_picture.motion_val[0][mot_xy - mot_stride + off[block]][0];
615  P_TOPRIGHT[1] = s->current_picture.motion_val[0][mot_xy - mot_stride + off[block]][1];
616  if(P_TOP[1] > (c->ymax<<shift)) P_TOP[1] = (c->ymax<<shift);
617  if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift);
618  if(P_TOPRIGHT[0] > (c->xmax<<shift)) P_TOPRIGHT[0]= (c->xmax<<shift);
619  if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift);
620 
621  P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
622  P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
623 
624  c->pred_x= pred_x4 = P_MEDIAN[0];
625  c->pred_y= pred_y4 = P_MEDIAN[1];
626  }
627  P_MV1[0]= mx;
628  P_MV1[1]= my;
629 
630  dmin4 = epzs_motion_search4(s, &mx4, &my4, P, block, block, s->p_mv_table, (1<<16)>>shift);
631 
632  dmin4= c->sub_motion_search(s, &mx4, &my4, dmin4, block, block, size, h);
633 
634  if (s->mecc.me_sub_cmp[0] != s->mecc.mb_cmp[0]) {
635  int dxy;
636  const int offset= ((block&1) + (block>>1)*stride)*8;
637  uint8_t *dest_y = c->scratchpad + offset;
638  if(s->quarter_sample){
639  uint8_t *ref= c->ref[block][0] + (mx4>>2) + (my4>>2)*stride;
640  dxy = ((my4 & 3) << 2) | (mx4 & 3);
641 
642  if(s->no_rounding)
643  s->qdsp.put_no_rnd_qpel_pixels_tab[1][dxy](dest_y, ref, stride);
644  else
645  s->qdsp.put_qpel_pixels_tab[1][dxy](dest_y, ref, stride);
646  }else{
647  uint8_t *ref= c->ref[block][0] + (mx4>>1) + (my4>>1)*stride;
648  dxy = ((my4 & 1) << 1) | (mx4 & 1);
649 
650  if(s->no_rounding)
651  s->hdsp.put_no_rnd_pixels_tab[1][dxy](dest_y , ref , stride, h);
652  else
653  s->hdsp.put_pixels_tab [1][dxy](dest_y , ref , stride, h);
654  }
655  dmin_sum+= (mv_penalty[mx4-pred_x4] + mv_penalty[my4-pred_y4])*c->mb_penalty_factor;
656  }else
657  dmin_sum+= dmin4;
658 
659  if(s->quarter_sample){
660  mx4_sum+= mx4/2;
661  my4_sum+= my4/2;
662  }else{
663  mx4_sum+= mx4;
664  my4_sum+= my4;
665  }
666 
667  s->current_picture.motion_val[0][s->block_index[block]][0] = mx4;
668  s->current_picture.motion_val[0][s->block_index[block]][1] = my4;
669 
670  if(mx4 != mx || my4 != my) same=0;
671  }
672 
673  if(same)
674  return INT_MAX;
675 
676  if (s->mecc.me_sub_cmp[0] != s->mecc.mb_cmp[0]) {
677  dmin_sum += s->mecc.mb_cmp[0](s,
678  s->new_picture.f->data[0] +
679  s->mb_x * 16 + s->mb_y * 16 * stride,
680  c->scratchpad, stride, 16);
681  }
682 
683  if(c->avctx->mb_cmp&FF_CMP_CHROMA){
684  int dxy;
685  int mx, my;
686  int offset;
687 
688  mx= ff_h263_round_chroma(mx4_sum);
689  my= ff_h263_round_chroma(my4_sum);
690  dxy = ((my & 1) << 1) | (mx & 1);
691 
692  offset= (s->mb_x*8 + (mx>>1)) + (s->mb_y*8 + (my>>1))*s->uvlinesize;
693 
694  if(s->no_rounding){
695  s->hdsp.put_no_rnd_pixels_tab[1][dxy](c->scratchpad , s->last_picture.f->data[1] + offset, s->uvlinesize, 8);
696  s->hdsp.put_no_rnd_pixels_tab[1][dxy](c->scratchpad + 8, s->last_picture.f->data[2] + offset, s->uvlinesize, 8);
697  }else{
698  s->hdsp.put_pixels_tab [1][dxy](c->scratchpad , s->last_picture.f->data[1] + offset, s->uvlinesize, 8);
699  s->hdsp.put_pixels_tab [1][dxy](c->scratchpad + 8, s->last_picture.f->data[2] + offset, s->uvlinesize, 8);
700  }
701 
702  dmin_sum += s->mecc.mb_cmp[1](s, s->new_picture.f->data[1] + s->mb_x * 8 + s->mb_y * 8 * s->uvlinesize, c->scratchpad, s->uvlinesize, 8);
703  dmin_sum += s->mecc.mb_cmp[1](s, s->new_picture.f->data[2] + s->mb_x * 8 + s->mb_y * 8 * s->uvlinesize, c->scratchpad + 8, s->uvlinesize, 8);
704  }
705 
706  c->pred_x= mx;
707  c->pred_y= my;
708 
709  switch(c->avctx->mb_cmp&0xFF){
710  /*case FF_CMP_SSE:
711  return dmin_sum+ 32*s->qscale*s->qscale;*/
712  case FF_CMP_RD:
713  return dmin_sum;
714  default:
715  return dmin_sum+ 11*c->mb_penalty_factor;
716  }
717 }
718 
719 static inline void init_interlaced_ref(MpegEncContext *s, int ref_index){
720  MotionEstContext * const c= &s->me;
721 
722  c->ref[1+ref_index][0] = c->ref[0+ref_index][0] + s->linesize;
723  c->src[1][0] = c->src[0][0] + s->linesize;
724  if(c->flags & FLAG_CHROMA){
725  c->ref[1+ref_index][1] = c->ref[0+ref_index][1] + s->uvlinesize;
726  c->ref[1+ref_index][2] = c->ref[0+ref_index][2] + s->uvlinesize;
727  c->src[1][1] = c->src[0][1] + s->uvlinesize;
728  c->src[1][2] = c->src[0][2] + s->uvlinesize;
729  }
730 }
731 
732 static int interlaced_search(MpegEncContext *s, int ref_index,
733  int16_t (*mv_tables[2][2])[2], uint8_t *field_select_tables[2], int mx, int my, int user_field_select)
734 {
735  MotionEstContext * const c= &s->me;
736  const int size=0;
737  const int h=8;
738  int block;
739  int P[10][2];
741  int same=1;
742  const int stride= 2*s->linesize;
743  int dmin_sum= 0;
744  const int mot_stride= s->mb_stride;
745  const int xy= s->mb_x + s->mb_y*mot_stride;
746 
747  c->ymin>>=1;
748  c->ymax>>=1;
749  c->stride<<=1;
750  c->uvstride<<=1;
751  init_interlaced_ref(s, ref_index);
752 
753  for(block=0; block<2; block++){
754  int field_select;
755  int best_dmin= INT_MAX;
756  int best_field= -1;
757 
758  for(field_select=0; field_select<2; field_select++){
759  int dmin, mx_i, my_i;
760  int16_t (*mv_table)[2]= mv_tables[block][field_select];
761 
762  if(user_field_select){
763  assert(field_select==0 || field_select==1);
764  assert(field_select_tables[block][xy]==0 || field_select_tables[block][xy]==1);
765  if(field_select_tables[block][xy] != field_select)
766  continue;
767  }
768 
769  P_LEFT[0] = mv_table[xy - 1][0];
770  P_LEFT[1] = mv_table[xy - 1][1];
771  if(P_LEFT[0] > (c->xmax<<1)) P_LEFT[0] = (c->xmax<<1);
772 
773  c->pred_x= P_LEFT[0];
774  c->pred_y= P_LEFT[1];
775 
776  if(!s->first_slice_line){
777  P_TOP[0] = mv_table[xy - mot_stride][0];
778  P_TOP[1] = mv_table[xy - mot_stride][1];
779  P_TOPRIGHT[0] = mv_table[xy - mot_stride + 1][0];
780  P_TOPRIGHT[1] = mv_table[xy - mot_stride + 1][1];
781  if(P_TOP[1] > (c->ymax<<1)) P_TOP[1] = (c->ymax<<1);
782  if(P_TOPRIGHT[0] < (c->xmin<<1)) P_TOPRIGHT[0]= (c->xmin<<1);
783  if(P_TOPRIGHT[0] > (c->xmax<<1)) P_TOPRIGHT[0]= (c->xmax<<1);
784  if(P_TOPRIGHT[1] > (c->ymax<<1)) P_TOPRIGHT[1]= (c->ymax<<1);
785 
786  P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
787  P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
788  }
789  P_MV1[0]= mx; //FIXME not correct if block != field_select
790  P_MV1[1]= my / 2;
791 
792  dmin = epzs_motion_search2(s, &mx_i, &my_i, P, block, field_select+ref_index, mv_table, (1<<16)>>1);
793 
794  dmin= c->sub_motion_search(s, &mx_i, &my_i, dmin, block, field_select+ref_index, size, h);
795 
796  mv_table[xy][0]= mx_i;
797  mv_table[xy][1]= my_i;
798 
799  if (s->mecc.me_sub_cmp[0] != s->mecc.mb_cmp[0]) {
800  int dxy;
801 
802  //FIXME chroma ME
803  uint8_t *ref= c->ref[field_select+ref_index][0] + (mx_i>>1) + (my_i>>1)*stride;
804  dxy = ((my_i & 1) << 1) | (mx_i & 1);
805 
806  if(s->no_rounding){
807  s->hdsp.put_no_rnd_pixels_tab[size][dxy](c->scratchpad, ref , stride, h);
808  }else{
809  s->hdsp.put_pixels_tab [size][dxy](c->scratchpad, ref , stride, h);
810  }
811  dmin = s->mecc.mb_cmp[size](s, c->src[block][0], c->scratchpad, stride, h);
812  dmin+= (mv_penalty[mx_i-c->pred_x] + mv_penalty[my_i-c->pred_y] + 1)*c->mb_penalty_factor;
813  }else
814  dmin+= c->mb_penalty_factor; //field_select bits
815 
816  dmin += field_select != block; //slightly prefer same field
817 
818  if(dmin < best_dmin){
819  best_dmin= dmin;
820  best_field= field_select;
821  }
822  }
823  {
824  int16_t (*mv_table)[2]= mv_tables[block][best_field];
825 
826  if(mv_table[xy][0] != mx) same=0; //FIXME check if these checks work and are any good at all
827  if(mv_table[xy][1]&1) same=0;
828  if(mv_table[xy][1]*2 != my) same=0;
829  if(best_field != block) same=0;
830  }
831 
832  field_select_tables[block][xy]= best_field;
833  dmin_sum += best_dmin;
834  }
835 
836  c->ymin<<=1;
837  c->ymax<<=1;
838  c->stride>>=1;
839  c->uvstride>>=1;
840 
841  if(same)
842  return INT_MAX;
843 
844  switch(c->avctx->mb_cmp&0xFF){
845  /*case FF_CMP_SSE:
846  return dmin_sum+ 32*s->qscale*s->qscale;*/
847  case FF_CMP_RD:
848  return dmin_sum;
849  default:
850  return dmin_sum+ 11*c->mb_penalty_factor;
851  }
852 }
853 
854 static inline int get_penalty_factor(int lambda, int lambda2, int type){
855  switch(type&0xFF){
856  default:
857  case FF_CMP_SAD:
858  return lambda>>FF_LAMBDA_SHIFT;
859  case FF_CMP_DCT:
860  return (3*lambda)>>(FF_LAMBDA_SHIFT+1);
861  case FF_CMP_SATD:
862  case FF_CMP_DCT264:
863  return (2*lambda)>>FF_LAMBDA_SHIFT;
864  case FF_CMP_RD:
865  case FF_CMP_PSNR:
866  case FF_CMP_SSE:
867  case FF_CMP_NSSE:
868  return lambda2>>FF_LAMBDA_SHIFT;
869  case FF_CMP_BIT:
870  return 1;
871  }
872 }
873 
875  int mb_x, int mb_y)
876 {
877  MotionEstContext * const c= &s->me;
878  uint8_t *pix, *ppix;
879  int sum, mx = 0, my = 0, dmin = 0;
880  int varc;
881  int vard;
882  int P[10][2];
883  const int shift= 1+s->quarter_sample;
884  int mb_type=0;
885  Picture * const pic= &s->current_picture;
886 
887  init_ref(c, s->new_picture.f->data, s->last_picture.f->data, NULL, 16*mb_x, 16*mb_y, 0);
888 
889  assert(s->quarter_sample==0 || s->quarter_sample==1);
890  assert(s->linesize == c->stride);
891  assert(s->uvlinesize == c->uvstride);
892 
897 
898  get_limits(s, 16*mb_x, 16*mb_y);
899  c->skip=0;
900 
901  /* intra / predictive decision */
902  pix = c->src[0][0];
903  sum = s->mpvencdsp.pix_sum(pix, s->linesize);
904  varc = s->mpvencdsp.pix_norm1(pix, s->linesize) -
905  (((unsigned) sum * sum) >> 8) + 500;
906 
907  pic->mb_mean[s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
908  pic->mb_var [s->mb_stride * mb_y + mb_x] = (varc+128)>>8;
909  c->mb_var_sum_temp += (varc+128)>>8;
910 
911  if (s->motion_est != FF_ME_ZERO) {
912  const int mot_stride = s->b8_stride;
913  const int mot_xy = s->block_index[0];
914 
915  P_LEFT[0] = s->current_picture.motion_val[0][mot_xy - 1][0];
916  P_LEFT[1] = s->current_picture.motion_val[0][mot_xy - 1][1];
917 
918  if (P_LEFT[0] > (c->xmax << shift))
919  P_LEFT[0] = c->xmax << shift;
920 
921  if (!s->first_slice_line) {
922  P_TOP[0] = s->current_picture.motion_val[0][mot_xy - mot_stride ][0];
923  P_TOP[1] = s->current_picture.motion_val[0][mot_xy - mot_stride ][1];
924  P_TOPRIGHT[0] = s->current_picture.motion_val[0][mot_xy - mot_stride + 2][0];
925  P_TOPRIGHT[1] = s->current_picture.motion_val[0][mot_xy - mot_stride + 2][1];
926  if (P_TOP[1] > (c->ymax << shift))
927  P_TOP[1] = c->ymax << shift;
928  if (P_TOPRIGHT[0] < (c->xmin << shift))
929  P_TOPRIGHT[0] = c->xmin << shift;
930  if (P_TOPRIGHT[1] > (c->ymax << shift))
931  P_TOPRIGHT[1] = c->ymax << shift;
932 
933  P_MEDIAN[0] = mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
934  P_MEDIAN[1] = mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
935 
936  if (s->out_format == FMT_H263) {
937  c->pred_x = P_MEDIAN[0];
938  c->pred_y = P_MEDIAN[1];
939  } else { /* MPEG-1 at least */
940  c->pred_x = P_LEFT[0];
941  c->pred_y = P_LEFT[1];
942  }
943  } else {
944  c->pred_x = P_LEFT[0];
945  c->pred_y = P_LEFT[1];
946  }
947  dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, 0, s->p_mv_table, (1<<16)>>shift, 0, 16);
948  }
949 
950  /* At this point (mx,my) are full-pell and the relative displacement */
951  ppix = c->ref[0][0] + (my * s->linesize) + mx;
952 
953  vard = s->mecc.sse[0](NULL, pix, ppix, s->linesize, 16);
954 
955  pic->mc_mb_var[s->mb_stride * mb_y + mb_x] = (vard+128)>>8;
956  c->mc_mb_var_sum_temp += (vard+128)>>8;
957 
959  int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100);
960  int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20;
961  c->scene_change_score+= ff_sqrt(p_score) - ff_sqrt(i_score);
962 
963  if (vard*2 + 200*256 > varc)
964  mb_type|= CANDIDATE_MB_TYPE_INTRA;
965  if (varc*2 + 200*256 > vard || s->qscale > 24){
966 // if (varc*2 + 200*256 + 50*(s->lambda2>>FF_LAMBDA_SHIFT) > vard){
967  mb_type|= CANDIDATE_MB_TYPE_INTER;
968  c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
969  if (s->mpv_flags & FF_MPV_FLAG_MV0)
970  if(mx || my)
971  mb_type |= CANDIDATE_MB_TYPE_SKIPPED; //FIXME check difference
972  }else{
973  mx <<=shift;
974  my <<=shift;
975  }
976  if ((s->avctx->flags & AV_CODEC_FLAG_4MV)
977  && !c->skip && varc>50<<8 && vard>10<<8){
978  if(h263_mv4_search(s, mx, my, shift) < INT_MAX)
979  mb_type|=CANDIDATE_MB_TYPE_INTER4V;
980 
981  set_p_mv_tables(s, mx, my, 0);
982  }else
983  set_p_mv_tables(s, mx, my, 1);
985  && !c->skip){ //FIXME varc/d checks
986  if(interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 0) < INT_MAX)
987  mb_type |= CANDIDATE_MB_TYPE_INTER_I;
988  }
989  }else{
990  int intra_score, i;
991  mb_type= CANDIDATE_MB_TYPE_INTER;
992 
993  dmin= c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
994  if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip)
995  dmin= get_mb_score(s, mx, my, 0, 0, 0, 16, 1);
996 
997  if ((s->avctx->flags & AV_CODEC_FLAG_4MV)
998  && !c->skip && varc>50<<8 && vard>10<<8){
999  int dmin4= h263_mv4_search(s, mx, my, shift);
1000  if(dmin4 < dmin){
1001  mb_type= CANDIDATE_MB_TYPE_INTER4V;
1002  dmin=dmin4;
1003  }
1004  }
1006  && !c->skip){ //FIXME varc/d checks
1007  int dmin_i= interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 0);
1008  if(dmin_i < dmin){
1009  mb_type = CANDIDATE_MB_TYPE_INTER_I;
1010  dmin= dmin_i;
1011  }
1012  }
1013 
1014  set_p_mv_tables(s, mx, my, mb_type!=CANDIDATE_MB_TYPE_INTER4V);
1015 
1016  /* get intra luma score */
1017  if((c->avctx->mb_cmp&0xFF)==FF_CMP_SSE){
1018  intra_score= varc - 500;
1019  }else{
1020  unsigned mean = (sum+128)>>8;
1021  mean*= 0x01010101;
1022 
1023  for(i=0; i<16; i++){
1024  *(uint32_t*)(&c->scratchpad[i*s->linesize+ 0]) = mean;
1025  *(uint32_t*)(&c->scratchpad[i*s->linesize+ 4]) = mean;
1026  *(uint32_t*)(&c->scratchpad[i*s->linesize+ 8]) = mean;
1027  *(uint32_t*)(&c->scratchpad[i*s->linesize+12]) = mean;
1028  }
1029 
1030  intra_score= s->mecc.mb_cmp[0](s, c->scratchpad, pix, s->linesize, 16);
1031  }
1032  intra_score += c->mb_penalty_factor*16;
1033 
1034  if(intra_score < dmin){
1035  mb_type= CANDIDATE_MB_TYPE_INTRA;
1036  s->current_picture.mb_type[mb_y*s->mb_stride + mb_x] = CANDIDATE_MB_TYPE_INTRA; //FIXME cleanup
1037  }else
1038  s->current_picture.mb_type[mb_y*s->mb_stride + mb_x] = 0;
1039 
1040  {
1041  int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100);
1042  int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20;
1043  c->scene_change_score+= ff_sqrt(p_score) - ff_sqrt(i_score);
1044  }
1045  }
1046 
1047  s->mb_type[mb_y*s->mb_stride + mb_x]= mb_type;
1048 }
1049 
1051  int mb_x, int mb_y)
1052 {
1053  MotionEstContext * const c= &s->me;
1054  int mx, my, dmin;
1055  int P[10][2];
1056  const int shift= 1+s->quarter_sample;
1057  const int xy= mb_x + mb_y*s->mb_stride;
1058  init_ref(c, s->new_picture.f->data, s->last_picture.f->data, NULL, 16*mb_x, 16*mb_y, 0);
1059 
1060  assert(s->quarter_sample==0 || s->quarter_sample==1);
1061 
1064 
1065  get_limits(s, 16*mb_x, 16*mb_y);
1066  c->skip=0;
1067 
1068  P_LEFT[0] = s->p_mv_table[xy + 1][0];
1069  P_LEFT[1] = s->p_mv_table[xy + 1][1];
1070 
1071  if(P_LEFT[0] < (c->xmin<<shift)) P_LEFT[0] = (c->xmin<<shift);
1072 
1073  /* special case for first line */
1074  if (s->first_slice_line) {
1075  c->pred_x= P_LEFT[0];
1076  c->pred_y= P_LEFT[1];
1077  P_TOP[0]= P_TOPRIGHT[0]= P_MEDIAN[0]=
1078  P_TOP[1]= P_TOPRIGHT[1]= P_MEDIAN[1]= 0; //FIXME
1079  } else {
1080  P_TOP[0] = s->p_mv_table[xy + s->mb_stride ][0];
1081  P_TOP[1] = s->p_mv_table[xy + s->mb_stride ][1];
1082  P_TOPRIGHT[0] = s->p_mv_table[xy + s->mb_stride - 1][0];
1083  P_TOPRIGHT[1] = s->p_mv_table[xy + s->mb_stride - 1][1];
1084  if(P_TOP[1] < (c->ymin<<shift)) P_TOP[1] = (c->ymin<<shift);
1085  if(P_TOPRIGHT[0] > (c->xmax<<shift)) P_TOPRIGHT[0]= (c->xmax<<shift);
1086  if(P_TOPRIGHT[1] < (c->ymin<<shift)) P_TOPRIGHT[1]= (c->ymin<<shift);
1087 
1088  P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1089  P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1090 
1091  c->pred_x = P_MEDIAN[0];
1092  c->pred_y = P_MEDIAN[1];
1093  }
1094 
1095  dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, 0, s->p_mv_table, (1<<16)>>shift, 0, 16);
1096 
1097  s->p_mv_table[xy][0] = mx<<shift;
1098  s->p_mv_table[xy][1] = my<<shift;
1099 
1100  return dmin;
1101 }
1102 
1103 static int estimate_motion_b(MpegEncContext *s, int mb_x, int mb_y,
1104  int16_t (*mv_table)[2], int ref_index, int f_code)
1105 {
1106  MotionEstContext * const c= &s->me;
1107  int mx = 0, my = 0, dmin = 0;
1108  int P[10][2];
1109  const int shift= 1+s->quarter_sample;
1110  const int mot_stride = s->mb_stride;
1111  const int mot_xy = mb_y*mot_stride + mb_x;
1112  uint8_t * const mv_penalty= c->mv_penalty[f_code] + MAX_MV;
1113  int mv_scale;
1114 
1119 
1120  get_limits(s, 16*mb_x, 16*mb_y);
1121 
1122  if (s->motion_est != FF_ME_ZERO) {
1123  P_LEFT[0] = mv_table[mot_xy - 1][0];
1124  P_LEFT[1] = mv_table[mot_xy - 1][1];
1125 
1126  if (P_LEFT[0] > (c->xmax << shift)) P_LEFT[0] = (c->xmax << shift);
1127 
1128  /* special case for first line */
1129  if (!s->first_slice_line) {
1130  P_TOP[0] = mv_table[mot_xy - mot_stride ][0];
1131  P_TOP[1] = mv_table[mot_xy - mot_stride ][1];
1132  P_TOPRIGHT[0] = mv_table[mot_xy - mot_stride + 1][0];
1133  P_TOPRIGHT[1] = mv_table[mot_xy - mot_stride + 1][1];
1134  if (P_TOP[1] > (c->ymax << shift)) P_TOP[1] = (c->ymax << shift);
1135  if (P_TOPRIGHT[0] < (c->xmin << shift)) P_TOPRIGHT[0] = (c->xmin << shift);
1136  if (P_TOPRIGHT[1] > (c->ymax << shift)) P_TOPRIGHT[1] = (c->ymax << shift);
1137 
1138  P_MEDIAN[0] = mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1139  P_MEDIAN[1] = mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1140  }
1141  c->pred_x = P_LEFT[0];
1142  c->pred_y = P_LEFT[1];
1143 
1144  if(mv_table == s->b_forw_mv_table){
1145  mv_scale= (s->pb_time<<16) / (s->pp_time<<shift);
1146  }else{
1147  mv_scale= ((s->pb_time - s->pp_time)<<16) / (s->pp_time<<shift);
1148  }
1149 
1150  dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, ref_index, s->p_mv_table, mv_scale, 0, 16);
1151  }
1152 
1153  dmin= c->sub_motion_search(s, &mx, &my, dmin, 0, ref_index, 0, 16);
1154 
1155  if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip)
1156  dmin= get_mb_score(s, mx, my, 0, ref_index, 0, 16, 1);
1157 
1158 // s->mb_type[mb_y*s->mb_width + mb_x]= mb_type;
1159  mv_table[mot_xy][0]= mx;
1160  mv_table[mot_xy][1]= my;
1161 
1162  return dmin;
1163 }
1164 
1165 static inline int check_bidir_mv(MpegEncContext * s,
1166  int motion_fx, int motion_fy,
1167  int motion_bx, int motion_by,
1168  int pred_fx, int pred_fy,
1169  int pred_bx, int pred_by,
1170  int size, int h)
1171 {
1172  //FIXME optimize?
1173  //FIXME better f_code prediction (max mv & distance)
1174  //FIXME pointers
1175  MotionEstContext * const c= &s->me;
1176  uint8_t * const mv_penalty_f= c->mv_penalty[s->f_code] + MAX_MV; // f_code of the prev frame
1177  uint8_t * const mv_penalty_b= c->mv_penalty[s->b_code] + MAX_MV; // f_code of the prev frame
1178  int stride= c->stride;
1179  uint8_t *dest_y = c->scratchpad;
1180  uint8_t *ptr;
1181  int dxy;
1182  int src_x, src_y;
1183  int fbmin;
1184  uint8_t **src_data= c->src[0];
1185  uint8_t **ref_data= c->ref[0];
1186  uint8_t **ref2_data= c->ref[2];
1187 
1188  if(s->quarter_sample){
1189  dxy = ((motion_fy & 3) << 2) | (motion_fx & 3);
1190  src_x = motion_fx >> 2;
1191  src_y = motion_fy >> 2;
1192 
1193  ptr = ref_data[0] + (src_y * stride) + src_x;
1194  s->qdsp.put_qpel_pixels_tab[0][dxy](dest_y, ptr, stride);
1195 
1196  dxy = ((motion_by & 3) << 2) | (motion_bx & 3);
1197  src_x = motion_bx >> 2;
1198  src_y = motion_by >> 2;
1199 
1200  ptr = ref2_data[0] + (src_y * stride) + src_x;
1201  s->qdsp.avg_qpel_pixels_tab[size][dxy](dest_y, ptr, stride);
1202  }else{
1203  dxy = ((motion_fy & 1) << 1) | (motion_fx & 1);
1204  src_x = motion_fx >> 1;
1205  src_y = motion_fy >> 1;
1206 
1207  ptr = ref_data[0] + (src_y * stride) + src_x;
1208  s->hdsp.put_pixels_tab[size][dxy](dest_y , ptr , stride, h);
1209 
1210  dxy = ((motion_by & 1) << 1) | (motion_bx & 1);
1211  src_x = motion_bx >> 1;
1212  src_y = motion_by >> 1;
1213 
1214  ptr = ref2_data[0] + (src_y * stride) + src_x;
1215  s->hdsp.avg_pixels_tab[size][dxy](dest_y , ptr , stride, h);
1216  }
1217 
1218  fbmin = (mv_penalty_f[motion_fx-pred_fx] + mv_penalty_f[motion_fy-pred_fy])*c->mb_penalty_factor
1219  +(mv_penalty_b[motion_bx-pred_bx] + mv_penalty_b[motion_by-pred_by])*c->mb_penalty_factor
1220  + s->mecc.mb_cmp[size](s, src_data[0], dest_y, stride, h); // FIXME new_pic
1221 
1222  if(c->avctx->mb_cmp&FF_CMP_CHROMA){
1223  }
1224  //FIXME CHROMA !!!
1225 
1226  return fbmin;
1227 }
1228 
1229 /* refine the bidir vectors in hq mode and return the score in both lq & hq mode*/
1230 static inline int bidir_refine(MpegEncContext * s, int mb_x, int mb_y)
1231 {
1232  MotionEstContext * const c= &s->me;
1233  const int mot_stride = s->mb_stride;
1234  const int xy = mb_y *mot_stride + mb_x;
1235  int fbmin;
1236  int pred_fx= s->b_bidir_forw_mv_table[xy-1][0];
1237  int pred_fy= s->b_bidir_forw_mv_table[xy-1][1];
1238  int pred_bx= s->b_bidir_back_mv_table[xy-1][0];
1239  int pred_by= s->b_bidir_back_mv_table[xy-1][1];
1240  int motion_fx= s->b_bidir_forw_mv_table[xy][0]= s->b_forw_mv_table[xy][0];
1241  int motion_fy= s->b_bidir_forw_mv_table[xy][1]= s->b_forw_mv_table[xy][1];
1242  int motion_bx= s->b_bidir_back_mv_table[xy][0]= s->b_back_mv_table[xy][0];
1243  int motion_by= s->b_bidir_back_mv_table[xy][1]= s->b_back_mv_table[xy][1];
1244  const int flags= c->sub_flags;
1245  const int qpel= flags&FLAG_QPEL;
1246  const int shift= 1+qpel;
1247  const int xmin= c->xmin<<shift;
1248  const int ymin= c->ymin<<shift;
1249  const int xmax= c->xmax<<shift;
1250  const int ymax= c->ymax<<shift;
1251 #define HASH(fx,fy,bx,by) ((fx)+17*(fy)+63*(bx)+117*(by))
1252 #define HASH8(fx,fy,bx,by) ((uint8_t)HASH(fx,fy,bx,by))
1253  int hashidx= HASH(motion_fx,motion_fy, motion_bx, motion_by);
1254  uint8_t map[256] = { 0 };
1255 
1256  map[hashidx&255] = 1;
1257 
1258  fbmin= check_bidir_mv(s, motion_fx, motion_fy,
1259  motion_bx, motion_by,
1260  pred_fx, pred_fy,
1261  pred_bx, pred_by,
1262  0, 16);
1263 
1264  if(s->avctx->bidir_refine){
1265  int end;
1266  static const uint8_t limittab[5]={0,8,32,64,80};
1267  const int limit= limittab[s->avctx->bidir_refine];
1268  static const int8_t vect[][4]={
1269 { 0, 0, 0, 1}, { 0, 0, 0,-1}, { 0, 0, 1, 0}, { 0, 0,-1, 0}, { 0, 1, 0, 0}, { 0,-1, 0, 0}, { 1, 0, 0, 0}, {-1, 0, 0, 0},
1270 
1271 { 0, 0, 1, 1}, { 0, 0,-1,-1}, { 0, 1, 1, 0}, { 0,-1,-1, 0}, { 1, 1, 0, 0}, {-1,-1, 0, 0}, { 1, 0, 0, 1}, {-1, 0, 0,-1},
1272 { 0, 1, 0, 1}, { 0,-1, 0,-1}, { 1, 0, 1, 0}, {-1, 0,-1, 0},
1273 { 0, 0,-1, 1}, { 0, 0, 1,-1}, { 0,-1, 1, 0}, { 0, 1,-1, 0}, {-1, 1, 0, 0}, { 1,-1, 0, 0}, { 1, 0, 0,-1}, {-1, 0, 0, 1},
1274 { 0,-1, 0, 1}, { 0, 1, 0,-1}, {-1, 0, 1, 0}, { 1, 0,-1, 0},
1275 
1276 { 0, 1, 1, 1}, { 0,-1,-1,-1}, { 1, 1, 1, 0}, {-1,-1,-1, 0}, { 1, 1, 0, 1}, {-1,-1, 0,-1}, { 1, 0, 1, 1}, {-1, 0,-1,-1},
1277 { 0,-1, 1, 1}, { 0, 1,-1,-1}, {-1, 1, 1, 0}, { 1,-1,-1, 0}, { 1, 1, 0,-1}, {-1,-1, 0, 1}, { 1, 0,-1, 1}, {-1, 0, 1,-1},
1278 { 0, 1,-1, 1}, { 0,-1, 1,-1}, { 1,-1, 1, 0}, {-1, 1,-1, 0}, {-1, 1, 0, 1}, { 1,-1, 0,-1}, { 1, 0, 1,-1}, {-1, 0,-1, 1},
1279 { 0, 1, 1,-1}, { 0,-1,-1, 1}, { 1, 1,-1, 0}, {-1,-1, 1, 0}, { 1,-1, 0, 1}, {-1, 1, 0,-1}, {-1, 0, 1, 1}, { 1, 0,-1,-1},
1280 
1281 { 1, 1, 1, 1}, {-1,-1,-1,-1},
1282 { 1, 1, 1,-1}, {-1,-1,-1, 1}, { 1, 1,-1, 1}, {-1,-1, 1,-1}, { 1,-1, 1, 1}, {-1, 1,-1,-1}, {-1, 1, 1, 1}, { 1,-1,-1,-1},
1283 { 1, 1,-1,-1}, {-1,-1, 1, 1}, { 1,-1,-1, 1}, {-1, 1, 1,-1}, { 1,-1, 1,-1}, {-1, 1,-1, 1},
1284  };
1285  static const uint8_t hash[]={
1286 HASH8( 0, 0, 0, 1), HASH8( 0, 0, 0,-1), HASH8( 0, 0, 1, 0), HASH8( 0, 0,-1, 0), HASH8( 0, 1, 0, 0), HASH8( 0,-1, 0, 0), HASH8( 1, 0, 0, 0), HASH8(-1, 0, 0, 0),
1287 
1288 HASH8( 0, 0, 1, 1), HASH8( 0, 0,-1,-1), HASH8( 0, 1, 1, 0), HASH8( 0,-1,-1, 0), HASH8( 1, 1, 0, 0), HASH8(-1,-1, 0, 0), HASH8( 1, 0, 0, 1), HASH8(-1, 0, 0,-1),
1289 HASH8( 0, 1, 0, 1), HASH8( 0,-1, 0,-1), HASH8( 1, 0, 1, 0), HASH8(-1, 0,-1, 0),
1290 HASH8( 0, 0,-1, 1), HASH8( 0, 0, 1,-1), HASH8( 0,-1, 1, 0), HASH8( 0, 1,-1, 0), HASH8(-1, 1, 0, 0), HASH8( 1,-1, 0, 0), HASH8( 1, 0, 0,-1), HASH8(-1, 0, 0, 1),
1291 HASH8( 0,-1, 0, 1), HASH8( 0, 1, 0,-1), HASH8(-1, 0, 1, 0), HASH8( 1, 0,-1, 0),
1292 
1293 HASH8( 0, 1, 1, 1), HASH8( 0,-1,-1,-1), HASH8( 1, 1, 1, 0), HASH8(-1,-1,-1, 0), HASH8( 1, 1, 0, 1), HASH8(-1,-1, 0,-1), HASH8( 1, 0, 1, 1), HASH8(-1, 0,-1,-1),
1294 HASH8( 0,-1, 1, 1), HASH8( 0, 1,-1,-1), HASH8(-1, 1, 1, 0), HASH8( 1,-1,-1, 0), HASH8( 1, 1, 0,-1), HASH8(-1,-1, 0, 1), HASH8( 1, 0,-1, 1), HASH8(-1, 0, 1,-1),
1295 HASH8( 0, 1,-1, 1), HASH8( 0,-1, 1,-1), HASH8( 1,-1, 1, 0), HASH8(-1, 1,-1, 0), HASH8(-1, 1, 0, 1), HASH8( 1,-1, 0,-1), HASH8( 1, 0, 1,-1), HASH8(-1, 0,-1, 1),
1296 HASH8( 0, 1, 1,-1), HASH8( 0,-1,-1, 1), HASH8( 1, 1,-1, 0), HASH8(-1,-1, 1, 0), HASH8( 1,-1, 0, 1), HASH8(-1, 1, 0,-1), HASH8(-1, 0, 1, 1), HASH8( 1, 0,-1,-1),
1297 
1298 HASH8( 1, 1, 1, 1), HASH8(-1,-1,-1,-1),
1299 HASH8( 1, 1, 1,-1), HASH8(-1,-1,-1, 1), HASH8( 1, 1,-1, 1), HASH8(-1,-1, 1,-1), HASH8( 1,-1, 1, 1), HASH8(-1, 1,-1,-1), HASH8(-1, 1, 1, 1), HASH8( 1,-1,-1,-1),
1300 HASH8( 1, 1,-1,-1), HASH8(-1,-1, 1, 1), HASH8( 1,-1,-1, 1), HASH8(-1, 1, 1,-1), HASH8( 1,-1, 1,-1), HASH8(-1, 1,-1, 1),
1301 };
1302 
1303 #define CHECK_BIDIR(fx,fy,bx,by)\
1304  if( !map[(hashidx+HASH(fx,fy,bx,by))&255]\
1305  &&(fx<=0 || motion_fx+fx<=xmax) && (fy<=0 || motion_fy+fy<=ymax) && (bx<=0 || motion_bx+bx<=xmax) && (by<=0 || motion_by+by<=ymax)\
1306  &&(fx>=0 || motion_fx+fx>=xmin) && (fy>=0 || motion_fy+fy>=ymin) && (bx>=0 || motion_bx+bx>=xmin) && (by>=0 || motion_by+by>=ymin)){\
1307  int score;\
1308  map[(hashidx+HASH(fx,fy,bx,by))&255] = 1;\
1309  score= check_bidir_mv(s, motion_fx+fx, motion_fy+fy, motion_bx+bx, motion_by+by, pred_fx, pred_fy, pred_bx, pred_by, 0, 16);\
1310  if(score < fbmin){\
1311  hashidx += HASH(fx,fy,bx,by);\
1312  fbmin= score;\
1313  motion_fx+=fx;\
1314  motion_fy+=fy;\
1315  motion_bx+=bx;\
1316  motion_by+=by;\
1317  end=0;\
1318  }\
1319  }
1320 #define CHECK_BIDIR2(a,b,c,d)\
1321 CHECK_BIDIR(a,b,c,d)\
1322 CHECK_BIDIR(-(a),-(b),-(c),-(d))
1323 
1324  do{
1325  int i;
1326  int borderdist=0;
1327  end=1;
1328 
1329  CHECK_BIDIR2(0,0,0,1)
1330  CHECK_BIDIR2(0,0,1,0)
1331  CHECK_BIDIR2(0,1,0,0)
1332  CHECK_BIDIR2(1,0,0,0)
1333 
1334  for(i=8; i<limit; i++){
1335  int fx= motion_fx+vect[i][0];
1336  int fy= motion_fy+vect[i][1];
1337  int bx= motion_bx+vect[i][2];
1338  int by= motion_by+vect[i][3];
1339  if(borderdist<=0){
1340  int a= (xmax - FFMAX(fx,bx))|(FFMIN(fx,bx) - xmin);
1341  int b= (ymax - FFMAX(fy,by))|(FFMIN(fy,by) - ymin);
1342  if((a|b) < 0)
1343  map[(hashidx+hash[i])&255] = 1;
1344  }
1345  if(!map[(hashidx+hash[i])&255]){
1346  int score;
1347  map[(hashidx+hash[i])&255] = 1;
1348  score= check_bidir_mv(s, fx, fy, bx, by, pred_fx, pred_fy, pred_bx, pred_by, 0, 16);
1349  if(score < fbmin){
1350  hashidx += hash[i];
1351  fbmin= score;
1352  motion_fx=fx;
1353  motion_fy=fy;
1354  motion_bx=bx;
1355  motion_by=by;
1356  end=0;
1357  borderdist--;
1358  if(borderdist<=0){
1359  int a= FFMIN(xmax - FFMAX(fx,bx), FFMIN(fx,bx) - xmin);
1360  int b= FFMIN(ymax - FFMAX(fy,by), FFMIN(fy,by) - ymin);
1361  borderdist= FFMIN(a,b);
1362  }
1363  }
1364  }
1365  }
1366  }while(!end);
1367  }
1368 
1369  s->b_bidir_forw_mv_table[xy][0]= motion_fx;
1370  s->b_bidir_forw_mv_table[xy][1]= motion_fy;
1371  s->b_bidir_back_mv_table[xy][0]= motion_bx;
1372  s->b_bidir_back_mv_table[xy][1]= motion_by;
1373 
1374  return fbmin;
1375 }
1376 
1377 static inline int direct_search(MpegEncContext * s, int mb_x, int mb_y)
1378 {
1379  MotionEstContext * const c= &s->me;
1380  int P[10][2];
1381  const int mot_stride = s->mb_stride;
1382  const int mot_xy = mb_y*mot_stride + mb_x;
1383  const int shift= 1+s->quarter_sample;
1384  int dmin, i;
1385  const int time_pp= s->pp_time;
1386  const int time_pb= s->pb_time;
1387  int mx, my, xmin, xmax, ymin, ymax;
1388  int16_t (*mv_table)[2]= s->b_direct_mv_table;
1389 
1390  c->current_mv_penalty= c->mv_penalty[1] + MAX_MV;
1391  ymin= xmin=(-32)>>shift;
1392  ymax= xmax= 31>>shift;
1393 
1394  if (IS_8X8(s->next_picture.mb_type[mot_xy])) {
1395  s->mv_type= MV_TYPE_8X8;
1396  }else{
1397  s->mv_type= MV_TYPE_16X16;
1398  }
1399 
1400  for(i=0; i<4; i++){
1401  int index= s->block_index[i];
1402  int min, max;
1403 
1404  c->co_located_mv[i][0] = s->next_picture.motion_val[0][index][0];
1405  c->co_located_mv[i][1] = s->next_picture.motion_val[0][index][1];
1406  c->direct_basis_mv[i][0]= c->co_located_mv[i][0]*time_pb/time_pp + ((i& 1)<<(shift+3));
1407  c->direct_basis_mv[i][1]= c->co_located_mv[i][1]*time_pb/time_pp + ((i>>1)<<(shift+3));
1408 // c->direct_basis_mv[1][i][0]= c->co_located_mv[i][0]*(time_pb - time_pp)/time_pp + ((i &1)<<(shift+3);
1409 // c->direct_basis_mv[1][i][1]= c->co_located_mv[i][1]*(time_pb - time_pp)/time_pp + ((i>>1)<<(shift+3);
1410 
1411  max= FFMAX(c->direct_basis_mv[i][0], c->direct_basis_mv[i][0] - c->co_located_mv[i][0])>>shift;
1412  min= FFMIN(c->direct_basis_mv[i][0], c->direct_basis_mv[i][0] - c->co_located_mv[i][0])>>shift;
1413  max+= 16*mb_x + 1; // +-1 is for the simpler rounding
1414  min+= 16*mb_x - 1;
1415  xmax= FFMIN(xmax, s->width - max);
1416  xmin= FFMAX(xmin, - 16 - min);
1417 
1418  max= FFMAX(c->direct_basis_mv[i][1], c->direct_basis_mv[i][1] - c->co_located_mv[i][1])>>shift;
1419  min= FFMIN(c->direct_basis_mv[i][1], c->direct_basis_mv[i][1] - c->co_located_mv[i][1])>>shift;
1420  max+= 16*mb_y + 1; // +-1 is for the simpler rounding
1421  min+= 16*mb_y - 1;
1422  ymax= FFMIN(ymax, s->height - max);
1423  ymin= FFMAX(ymin, - 16 - min);
1424 
1425  if(s->mv_type == MV_TYPE_16X16) break;
1426  }
1427 
1428  assert(xmax <= 15 && ymax <= 15 && xmin >= -16 && ymin >= -16);
1429 
1430  if(xmax < 0 || xmin >0 || ymax < 0 || ymin > 0){
1431  s->b_direct_mv_table[mot_xy][0]= 0;
1432  s->b_direct_mv_table[mot_xy][1]= 0;
1433 
1434  return 256*256*256*64;
1435  }
1436 
1437  c->xmin= xmin;
1438  c->ymin= ymin;
1439  c->xmax= xmax;
1440  c->ymax= ymax;
1441  c->flags |= FLAG_DIRECT;
1442  c->sub_flags |= FLAG_DIRECT;
1443  c->pred_x=0;
1444  c->pred_y=0;
1445 
1446  P_LEFT[0] = av_clip(mv_table[mot_xy - 1][0], xmin<<shift, xmax<<shift);
1447  P_LEFT[1] = av_clip(mv_table[mot_xy - 1][1], ymin<<shift, ymax<<shift);
1448 
1449  /* special case for first line */
1450  if (!s->first_slice_line) { //FIXME maybe allow this over thread boundary as it is clipped
1451  P_TOP[0] = av_clip(mv_table[mot_xy - mot_stride ][0], xmin<<shift, xmax<<shift);
1452  P_TOP[1] = av_clip(mv_table[mot_xy - mot_stride ][1], ymin<<shift, ymax<<shift);
1453  P_TOPRIGHT[0] = av_clip(mv_table[mot_xy - mot_stride + 1 ][0], xmin<<shift, xmax<<shift);
1454  P_TOPRIGHT[1] = av_clip(mv_table[mot_xy - mot_stride + 1 ][1], ymin<<shift, ymax<<shift);
1455 
1456  P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1457  P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1458  }
1459 
1460  dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, 0, mv_table, 1<<(16-shift), 0, 16);
1461  if(c->sub_flags&FLAG_QPEL)
1462  dmin = qpel_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
1463  else
1464  dmin = hpel_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
1465 
1466  if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip)
1467  dmin= get_mb_score(s, mx, my, 0, 0, 0, 16, 1);
1468 
1469  get_limits(s, 16*mb_x, 16*mb_y); //restore c->?min/max, maybe not needed
1470 
1471  mv_table[mot_xy][0]= mx;
1472  mv_table[mot_xy][1]= my;
1473  c->flags &= ~FLAG_DIRECT;
1474  c->sub_flags &= ~FLAG_DIRECT;
1475 
1476  return dmin;
1477 }
1478 
1480  int mb_x, int mb_y)
1481 {
1482  MotionEstContext * const c= &s->me;
1483  const int penalty_factor= c->mb_penalty_factor;
1484  int fmin, bmin, dmin, fbmin, bimin, fimin;
1485  int type=0;
1486  const int xy = mb_y*s->mb_stride + mb_x;
1488  s->next_picture.f->data, 16 * mb_x, 16 * mb_y, 2);
1489 
1490  get_limits(s, 16*mb_x, 16*mb_y);
1491 
1492  c->skip=0;
1493 
1494  if (s->codec_id == AV_CODEC_ID_MPEG4 && s->next_picture.mbskip_table[xy]) {
1495  int score= direct_search(s, mb_x, mb_y); //FIXME just check 0,0
1496 
1497  score= ((unsigned)(score*score + 128*256))>>16;
1498  c->mc_mb_var_sum_temp += score;
1499  s->current_picture.mc_mb_var[mb_y*s->mb_stride + mb_x] = score; //FIXME use SSE
1500  s->mb_type[mb_y*s->mb_stride + mb_x]= CANDIDATE_MB_TYPE_DIRECT0;
1501 
1502  return;
1503  }
1504 
1505  if (s->codec_id == AV_CODEC_ID_MPEG4)
1506  dmin= direct_search(s, mb_x, mb_y);
1507  else
1508  dmin= INT_MAX;
1509 // FIXME penalty stuff for non-MPEG-4
1510  c->skip=0;
1511  fmin = estimate_motion_b(s, mb_x, mb_y, s->b_forw_mv_table, 0, s->f_code) +
1512  3 * penalty_factor;
1513 
1514  c->skip=0;
1515  bmin = estimate_motion_b(s, mb_x, mb_y, s->b_back_mv_table, 2, s->b_code) +
1516  2 * penalty_factor;
1517  ff_dlog(s, " %d %d ", s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1]);
1518 
1519  c->skip=0;
1520  fbmin= bidir_refine(s, mb_x, mb_y) + penalty_factor;
1521  ff_dlog(s, "%d %d %d %d\n", dmin, fmin, bmin, fbmin);
1522 
1524 //FIXME mb type penalty
1525  c->skip=0;
1527  fimin= interlaced_search(s, 0,
1529  s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1], 0);
1531  bimin= interlaced_search(s, 2,
1533  s->b_back_mv_table[xy][0], s->b_back_mv_table[xy][1], 0);
1534  }else
1535  fimin= bimin= INT_MAX;
1536 
1537  {
1538  int score= fmin;
1540 
1541  if (dmin <= score){
1542  score = dmin;
1543  type = CANDIDATE_MB_TYPE_DIRECT;
1544  }
1545  if(bmin<score){
1546  score=bmin;
1548  }
1549  if(fbmin<score){
1550  score=fbmin;
1552  }
1553  if(fimin<score){
1554  score=fimin;
1556  }
1557  if(bimin<score){
1558  score=bimin;
1560  }
1561 
1562  score= ((unsigned)(score*score + 128*256))>>16;
1563  c->mc_mb_var_sum_temp += score;
1564  s->current_picture.mc_mb_var[mb_y*s->mb_stride + mb_x] = score; //FIXME use SSE
1565  }
1566 
1569  if(fimin < INT_MAX)
1571  if(bimin < INT_MAX)
1573  if(fimin < INT_MAX && bimin < INT_MAX){
1574  type |= CANDIDATE_MB_TYPE_BIDIR_I;
1575  }
1576  //FIXME something smarter
1577  if(dmin>256*256*16) type&= ~CANDIDATE_MB_TYPE_DIRECT; //do not try direct mode if it is invalid for this MB
1579  s->mpv_flags & FF_MPV_FLAG_MV0 && *(uint32_t*)s->b_direct_mv_table[xy])
1580  type |= CANDIDATE_MB_TYPE_DIRECT0;
1581  }
1582 
1583  s->mb_type[mb_y*s->mb_stride + mb_x]= type;
1584 }
1585 
1586 /* find best f_code for ME which do unlimited searches */
1587 int ff_get_best_fcode(MpegEncContext * s, int16_t (*mv_table)[2], int type)
1588 {
1589  if (s->motion_est != FF_ME_ZERO) {
1590  int score[8];
1591  int i, y, range= s->avctx->me_range ? s->avctx->me_range : (INT_MAX/2);
1592  uint8_t * fcode_tab= s->fcode_tab;
1593  int best_fcode=-1;
1594  int best_score=-10000000;
1595 
1596  if(s->msmpeg4_version)
1597  range= FFMIN(range, 16);
1599  range= FFMIN(range, 256);
1600 
1601  for(i=0; i<8; i++) score[i]= s->mb_num*(8-i);
1602 
1603  for(y=0; y<s->mb_height; y++){
1604  int x;
1605  int xy= y*s->mb_stride;
1606  for(x=0; x<s->mb_width; x++){
1607  if(s->mb_type[xy] & type){
1608  int mx= mv_table[xy][0];
1609  int my= mv_table[xy][1];
1610  int fcode= FFMAX(fcode_tab[mx + MAX_MV],
1611  fcode_tab[my + MAX_MV]);
1612  int j;
1613 
1614  if(mx >= range || mx < -range ||
1615  my >= range || my < -range)
1616  continue;
1617 
1618  for(j=0; j<fcode && j<8; j++){
1620  score[j]-= 170;
1621  }
1622  }
1623  xy++;
1624  }
1625  }
1626 
1627  for(i=1; i<8; i++){
1628  if(score[i] > best_score){
1629  best_score= score[i];
1630  best_fcode= i;
1631  }
1632  }
1633 
1634  return best_fcode;
1635  }else{
1636  return 1;
1637  }
1638 }
1639 
1641 {
1642  MotionEstContext * const c= &s->me;
1643  const int f_code= s->f_code;
1644  int y, range;
1645  assert(s->pict_type==AV_PICTURE_TYPE_P);
1646 
1647  range = (((s->out_format == FMT_MPEG1 || s->msmpeg4_version) ? 8 : 16) << f_code);
1648 
1649  assert(range <= 16 || !s->msmpeg4_version);
1650  assert(range <=256 || !(s->codec_id == AV_CODEC_ID_MPEG2VIDEO && s->avctx->strict_std_compliance >= FF_COMPLIANCE_NORMAL));
1651 
1652  if(c->avctx->me_range && range > c->avctx->me_range) range= c->avctx->me_range;
1653 
1654  if (s->avctx->flags & AV_CODEC_FLAG_4MV) {
1655  const int wrap= s->b8_stride;
1656 
1657  /* clip / convert to intra 8x8 type MVs */
1658  for(y=0; y<s->mb_height; y++){
1659  int xy= y*2*wrap;
1660  int i= y*s->mb_stride;
1661  int x;
1662 
1663  for(x=0; x<s->mb_width; x++){
1665  int block;
1666  for(block=0; block<4; block++){
1667  int off= (block& 1) + (block>>1)*wrap;
1668  int mx = s->current_picture.motion_val[0][ xy + off ][0];
1669  int my = s->current_picture.motion_val[0][ xy + off ][1];
1670 
1671  if( mx >=range || mx <-range
1672  || my >=range || my <-range){
1673  s->mb_type[i] &= ~CANDIDATE_MB_TYPE_INTER4V;
1676  }
1677  }
1678  }
1679  xy+=2;
1680  i++;
1681  }
1682  }
1683  }
1684 }
1685 
1689 void ff_fix_long_mvs(MpegEncContext * s, uint8_t *field_select_table, int field_select,
1690  int16_t (*mv_table)[2], int f_code, int type, int truncate)
1691 {
1692  MotionEstContext * const c= &s->me;
1693  int y, h_range, v_range;
1694 
1695  // RAL: 8 in MPEG-1, 16 in MPEG-4
1696  int range = (((s->out_format == FMT_MPEG1 || s->msmpeg4_version) ? 8 : 16) << f_code);
1697 
1698  if(c->avctx->me_range && range > c->avctx->me_range) range= c->avctx->me_range;
1699 
1700  h_range= range;
1701  v_range= field_select_table ? range>>1 : range;
1702 
1703  /* clip / convert to intra 16x16 type MVs */
1704  for(y=0; y<s->mb_height; y++){
1705  int x;
1706  int xy= y*s->mb_stride;
1707  for(x=0; x<s->mb_width; x++){
1708  if (s->mb_type[xy] & type){ // RAL: "type" test added...
1709  if (!field_select_table || field_select_table[xy] == field_select) {
1710  if( mv_table[xy][0] >=h_range || mv_table[xy][0] <-h_range
1711  || mv_table[xy][1] >=v_range || mv_table[xy][1] <-v_range){
1712 
1713  if(truncate){
1714  if (mv_table[xy][0] > h_range-1) mv_table[xy][0]= h_range-1;
1715  else if(mv_table[xy][0] < -h_range ) mv_table[xy][0]= -h_range;
1716  if (mv_table[xy][1] > v_range-1) mv_table[xy][1]= v_range-1;
1717  else if(mv_table[xy][1] < -v_range ) mv_table[xy][1]= -v_range;
1718  }else{
1719  s->mb_type[xy] &= ~type;
1720  s->mb_type[xy] |= CANDIDATE_MB_TYPE_INTRA;
1721  mv_table[xy][0]=
1722  mv_table[xy][1]= 0;
1723  }
1724  }
1725  }
1726  }
1727  xy++;
1728  }
1729  }
1730 }
uint8_t * scratchpad
data area for the ME algo, so that the ME does not need to malloc/free.
Definition: motion_est.h:47
#define AV_CODEC_FLAG_INTERLACED_ME
interlaced motion estimation
Definition: avcodec.h:797
static int minima_cmp(const void *a, const void *b)
Definition: motion_est.c:75
static int cmp_qpel(MpegEncContext *s, const int x, const int y, const int subx, const int suby, const int size, const int h, int ref_index, int src_index, me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags)
Definition: motion_est.c:282
static unsigned update_map_generation(MotionEstContext *c)
Definition: motion_est.c:58
void ff_estimate_b_frame_motion(MpegEncContext *s, int mb_x, int mb_y)
Definition: motion_est.c:1479
qpel_mc_func avg_qpel_pixels_tab[2][16]
Definition: qpeldsp.h:74
#define CANDIDATE_MB_TYPE_SKIPPED
Definition: mpegutils.h:109
static av_always_inline void mv_scale(Mv *dst, Mv *src, int td, int tb)
Definition: hevc_mvs.c:140
static int epzs_motion_search2(MpegEncContext *s, int *mx_ptr, int *my_ptr, int P[10][2], int src_index, int ref_index, int16_t(*last_mv)[2], int ref_mv_scale)
int size
#define P_TOPRIGHT
Definition: motion_est.c:46
static int check_bidir_mv(MpegEncContext *s, int motion_fx, int motion_fy, int motion_bx, int motion_by, int pred_fx, int pred_fy, int pred_bx, int pred_by, int size, int h)
Definition: motion_est.c:1165
int skip
set if ME is skipped for the current MB
Definition: motion_est.h:44
int16_t(* p_mv_table)[2]
MV table (1MV per MB) P-frame encoding.
Definition: mpegvideo.h:239
static void get_limits(MpegEncContext *s, int x, int y)
get fullpel ME search limits.
Definition: motion_est.c:536
uint8_t * fcode_tab
smallest fcode needed for each MV
Definition: mpegvideo.h:273
void ff_estimate_p_frame_motion(MpegEncContext *s, int mb_x, int mb_y)
Definition: motion_est.c:874
uint8_t * mb_mean
Table for MB luminance.
Definition: mpegpicture.h:71
op_pixels_func avg_pixels_tab[4][4]
Halfpel motion compensation with rounding (a+b+1)>>1.
Definition: hpeldsp.h:68
static void init_mv4_ref(MotionEstContext *c)
Definition: motion_est.c:569
qpel_mc_func put_no_rnd_qpel_pixels_tab[2][16]
Definition: qpeldsp.h:75
#define CANDIDATE_MB_TYPE_INTER_I
Definition: mpegutils.h:116
#define P_LEFT
Definition: motion_est.c:44
int ff_epzs_motion_search(struct MpegEncContext *s, int *mx_ptr, int *my_ptr, int P[10][2], int src_index, int ref_index, int16_t(*last_mv)[2], int ref_mv_scale, int size, int h)
uint16_t * mb_var
Table for MB variances.
Definition: mpegpicture.h:65
#define MAX_MV
Definition: motion_est.h:32
uint8_t * current_mv_penalty
Definition: motion_est.h:89
int msmpeg4_version
0=not msmpeg4, 1=mp41, 2=mp42, 3=mp43/divx3 4=wmv1/7 5=wmv2/8
Definition: mpegvideo.h:421
int(* sub_motion_search)(struct MpegEncContext *s, int *mx_ptr, int *my_ptr, int dmin, int src_index, int ref_index, int size, int h)
Definition: motion_est.h:90
#define CANDIDATE_MB_TYPE_BIDIR
Definition: mpegutils.h:114
enum AVCodecID codec_id
Definition: mpegvideo.h:107
av_log(ac->avr, AV_LOG_TRACE, "%d samples - audio_convert: %s to %s (%s)\, len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt), use_generic ? ac->func_descr_generic :ac->func_descr)
enhanced predictive zonal search
Definition: avcodec.h:670
static int cmp_simple(MpegEncContext *s, const int x, const int y, int ref_index, int src_index, me_cmp_func cmp_func, me_cmp_func chroma_cmp_func)
Definition: motion_est.c:228
int sub_penalty_factor
Definition: motion_est.h:62
int16_t(*[2][2] p_field_mv_table)[2]
MV table (2MV per MB) interlaced P-frame encoding.
Definition: mpegvideo.h:245
static int bidir_refine(MpegEncContext *s, int mb_x, int mb_y)
Definition: motion_est.c:1230
mpegvideo header.
int pre_penalty_factor
Definition: motion_est.h:56
int scene_change_score
Definition: motion_est.h:82
int mpv_flags
flags set by private options
Definition: mpegvideo.h:504
int mb_num
number of MBs of a picture
Definition: mpegvideo.h:128
#define FF_LAMBDA_SHIFT
Definition: avutil.h:212
QpelDSPContext qdsp
Definition: mpegvideo.h:226
int stride
Definition: mace.c:144
me_cmp_func me_pre_cmp[6]
Definition: me_cmp.h:55
int qscale
QP.
Definition: mpegvideo.h:199
int16_t(* b_back_mv_table)[2]
MV table (1MV per MB) backward mode B-frame encoding.
Definition: mpegvideo.h:241
#define P_MV1
Definition: motion_est.c:48
uint8_t * ref[4][4]
Definition: motion_est.h:76
#define FF_ME_ZERO
Definition: motion_est.h:35
static int cmp_internal(MpegEncContext *s, const int x, const int y, const int subx, const int suby, const int size, const int h, int ref_index, int src_index, me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags)
Definition: motion_est.c:244
static int16_t block[64]
Definition: dct.c:97
#define CANDIDATE_MB_TYPE_INTER
Definition: mpegutils.h:107
static int zero_cmp(MpegEncContext *s, uint8_t *a, uint8_t *b, ptrdiff_t stride, int h)
Definition: motion_est.c:294
int y
Definition: motion_est.c:71
op_pixels_func(* hpel_put)[4]
Definition: motion_est.h:84
uint8_t
#define ME_MAP_SIZE
Definition: motion_est.h:33
me_cmp_func mb_cmp[6]
Definition: me_cmp.h:58
#define CANDIDATE_MB_TYPE_INTER4V
Definition: mpegutils.h:108
enum OutputFormat out_format
output format
Definition: mpegvideo.h:99
int me_range
maximum motion estimation search range in subpel units If 0 then no limit.
Definition: avcodec.h:1913
#define CANDIDATE_MB_TYPE_FORWARD_I
Definition: mpegutils.h:117
#define FLAG_DIRECT
Definition: motion_est.c:84
#define b
Definition: input.c:52
int pre_dia_size
ME prepass diamond size & shape.
Definition: avcodec.h:1877
Motion estimation context.
Definition: motion_est.h:42
qpel_mc_func(* qpel_put)[16]
Definition: motion_est.h:86
int no_rounding
apply no rounding to motion compensation (MPEG-4, msmpeg4, ...) for B-frames rounding mode is always ...
Definition: mpegvideo.h:278
#define CANDIDATE_MB_TYPE_BACKWARD_I
Definition: mpegutils.h:118
int me_cmp
motion estimation comparison function
Definition: avcodec.h:1811
Picture current_picture
copy of the current picture structure.
Definition: mpegvideo.h:175
int16_t(* b_bidir_forw_mv_table)[2]
MV table (1MV per MB) bidir mode B-frame encoding.
Definition: mpegvideo.h:242
uint8_t(* mv_penalty)[MAX_MV *2+1]
bit amount needed to encode a MV
Definition: motion_est.h:88
static int get_flags(MotionEstContext *c, int direct, int chroma)
Definition: motion_est.c:104
static int flags
Definition: log.c:50
uint16_t pp_time
time distance between the last 2 p,s,i frames
Definition: mpegvideo.h:377
int(* me_cmp_func)(struct MpegEncContext *c, uint8_t *blk1, uint8_t *blk2, ptrdiff_t stride, int h)
Definition: me_cmp.h:34
op_pixels_func(* hpel_avg)[4]
Definition: motion_est.h:85
int mb_height
number of MBs horizontally & vertically
Definition: mpegvideo.h:124
#define FF_CMP_CHROMA
Definition: avcodec.h:1843
#define FF_CMP_SSE
Definition: avcodec.h:1831
#define CHECK_BIDIR2(a, b, c, d)
#define r
Definition: input.c:51
uint8_t hash[HASH_SIZE]
Definition: movenc.c:57
#define FF_MPV_FLAG_MV0
Definition: mpegvideo.h:553
#define src
Definition: vp8dsp.c:254
no search, that is use 0,0 vector whenever one is needed
Definition: avcodec.h:666
reserved for experiments
Definition: avcodec.h:671
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:124
uint8_t * mbskip_table
Definition: mpegpicture.h:59
int height
Definition: motion_est.c:70
#define AV_CODEC_FLAG_4MV
4 MV per MB allowed / advanced prediction for H.263.
Definition: avcodec.h:739
static const uint16_t mask[17]
Definition: lzw.c:38
static int epzs_motion_search4(MpegEncContext *s, int *mx_ptr, int *my_ptr, int P[10][2], int src_index, int ref_index, int16_t(*last_mv)[2], int ref_mv_scale)
static int no_sub_motion_search(MpegEncContext *s, int *mx_ptr, int *my_ptr, int dmin, int src_index, int ref_index, int size, int h)
#define LOAD_COMMON
int me_sub_cmp
subpixel motion estimation comparison function
Definition: avcodec.h:1817
static uint8_t fcode_tab[MAX_MV *2+1]
Minimal fcode that a motion vector component would need.
Definition: ituh263enc.c:52
int unrestricted_mv
mv can point outside of the coded picture
Definition: mpegvideo.h:215
static int get_penalty_factor(int lambda, int lambda2, int type)
Definition: motion_est.c:854
#define P_MEDIAN
Definition: motion_est.c:47
int flags
AV_CODEC_FLAG_*.
Definition: avcodec.h:1503
#define wrap(func)
Definition: neontest.h:62
static void init_interlaced_ref(MpegEncContext *s, int ref_index)
Definition: motion_est.c:719
MpegvideoEncDSPContext mpvencdsp
Definition: mpegvideo.h:224
int quarter_sample
1->qpel, 0->half pel ME/MC
Definition: mpegvideo.h:386
uint16_t * mb_type
Table for candidate MB types for encoding (defines in mpegutils.h)
Definition: mpegvideo.h:285
qpel_mc_func put_qpel_pixels_tab[2][16]
Definition: qpeldsp.h:73
uint8_t *[2][2] b_field_select_table
Definition: mpegvideo.h:248
#define FFMAX(a, b)
Definition: common.h:64
int(* pix_norm1)(uint8_t *pix, int line_size)
int(* pix_sum)(uint8_t *pix, int line_size)
int checked
Definition: motion_est.c:72
uint8_t * src[4][4]
Definition: motion_est.h:75
#define FF_CMP_BIT
Definition: avcodec.h:1835
#define FLAG_CHROMA
Definition: motion_est.c:83
Motion estimation template.
#define FLAG_QPEL
Definition: motion_est.c:82
#define FFMIN(a, b)
Definition: common.h:66
#define ME_MAP_SHIFT
Definition: motion_est.c:50
int me_method
ME algorithm.
Definition: mpegvideo.h:250
static int cmp_fpel_internal(MpegEncContext *s, const int x, const int y, const int size, const int h, int ref_index, int src_index, me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags)
Definition: motion_est.c:234
Picture new_picture
copy of the source picture structure for encoding.
Definition: mpegvideo.h:169
static int hpel_motion_search(MpegEncContext *s, int *mx_ptr, int *my_ptr, int dmin, int src_index, int ref_index, int size, int h)
#define av_builtin_constant_p(x)
Definition: attributes.h:116
#define P_TOP
Definition: motion_est.c:45
int16_t(*[2] motion_val)[2]
Definition: mpegpicture.h:53
Picture.
Definition: mpegpicture.h:45
unsigned map_generation
Definition: motion_est.h:55
#define FF_MB_DECISION_SIMPLE
uses mb_cmp
Definition: avcodec.h:1954
#define FFABS(a)
Definition: common.h:61
static int interlaced_search(MpegEncContext *s, int ref_index, int16_t(*mv_tables[2][2])[2], uint8_t *field_select_tables[2], int mx, int my, int user_field_select)
Definition: motion_est.c:732
static av_always_inline int cmp(MpegEncContext *s, const int x, const int y, const int subx, const int suby, const int size, const int h, int ref_index, int src_index, me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags)
compares a block (either a full macroblock or a partition thereof) against a proposed motion-compensa...
Definition: motion_est.c:257
MotionEstContext me
Definition: mpegvideo.h:276
int mb_decision
macroblock decision mode
Definition: avcodec.h:1953
static int get_mb_score(MpegEncContext *s, int mx, int my, int src_index, int ref_index, int size, int h, int add_rate)
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:198
#define FF_CMP_SAD
Definition: avcodec.h:1830
int block_index[6]
index to current MB in block based arrays with edges
Definition: mpegvideo.h:287
static int qpel_motion_search(MpegEncContext *s, int *mx_ptr, int *my_ptr, int dmin, int src_index, int ref_index, int size, int h)
int penalty_factor
an estimate of the bits required to code a given mv value, e.g.
Definition: motion_est.h:57
if(ac->has_optimized_func)
static int estimate_motion_b(MpegEncContext *s, int mb_x, int mb_y, int16_t(*mv_table)[2], int ref_index, int f_code)
Definition: motion_est.c:1103
#define HASH8(fx, fy, bx, by)
#define MV_TYPE_16X16
1 vector for the whole mb
Definition: mpegvideo.h:260
int first_slice_line
used in MPEG-4 too to handle resync markers
Definition: mpegvideo.h:419
NULL
Definition: eval.c:55
uint16_t * mc_mb_var
Table for motion compensated MB variances.
Definition: mpegpicture.h:68
int bidir_refine
Definition: avcodec.h:2051
#define AV_LOG_INFO
Standard information.
Definition: log.h:135
#define FF_ME_XONE
Definition: motion_est.h:37
unsigned int lambda2
(lambda*lambda) >> FF_LAMBDA_SHIFT
Definition: mpegvideo.h:202
Libavcodec external API header.
#define ff_dlog(ctx,...)
Definition: internal.h:60
#define FF_CMP_RD
Definition: avcodec.h:1836
ptrdiff_t linesize
line size, in bytes, may be different from width
Definition: mpegvideo.h:129
AVCodecContext * avctx
Definition: motion_est.h:43
static av_const unsigned int ff_sqrt(unsigned int a)
Definition: mathops.h:193
void ff_set_cmp(MECmpContext *c, me_cmp_func *cmp, int type)
Definition: me_cmp.c:365
#define CHECK_SAD_HALF_MV(suffix, x, y)
Definition: motion_est.c:396
int height
picture size. must be a multiple of 16
Definition: mpegvideo.h:95
#define FF_CMP_NSSE
Definition: avcodec.h:1840
#define FF_ME_EPZS
Definition: motion_est.h:36
#define FF_CMP_SATD
Definition: avcodec.h:1832
op_pixels_func put_pixels_tab[4][4]
Halfpel motion compensation with rounding (a+b+1)>>1.
Definition: hpeldsp.h:56
static int direct_search(MpegEncContext *s, int mb_x, int mb_y)
Definition: motion_est.c:1377
#define FF_CMP_DCT
Definition: avcodec.h:1833
void ff_fix_long_p_mvs(MpegEncContext *s)
Definition: motion_est.c:1640
op_pixels_func put_no_rnd_pixels_tab[4][4]
Halfpel motion compensation with no rounding (a+b)>>1.
Definition: hpeldsp.h:82
int16_t(*[2][2][2] b_field_mv_table)[2]
MV table (4MV per MB) interlaced B-frame encoding.
Definition: mpegvideo.h:246
#define FF_COMPLIANCE_NORMAL
Definition: avcodec.h:2608
int index
Definition: gxfenc.c:72
#define CANDIDATE_MB_TYPE_DIRECT
Definition: mpegutils.h:111
struct AVFrame * f
Definition: mpegpicture.h:46
static av_always_inline int cmp_direct_inline(MpegEncContext *s, const int x, const int y, const int subx, const int suby, const int size, const int h, int ref_index, int src_index, me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, int qpel)
Definition: motion_est.c:110
#define mid_pred
Definition: mathops.h:99
ptrdiff_t uvlinesize
line size, for chroma in bytes, may be different from width
Definition: mpegvideo.h:130
#define FF_CMP_PSNR
Definition: avcodec.h:1834
const VDPAUPixFmtMap * map
static int ff_h263_round_chroma(int x)
Definition: motion_est.h:96
#define CANDIDATE_MB_TYPE_BIDIR_I
Definition: mpegutils.h:119
int f_code
forward MV resolution
Definition: mpegvideo.h:229
int ff_pre_estimate_p_frame_motion(MpegEncContext *s, int mb_x, int mb_y)
Definition: motion_est.c:1050
#define CANDIDATE_MB_TYPE_DIRECT0
Definition: mpegutils.h:121
#define ME_MAP_MV_BITS
Definition: motion_est.c:51
#define FF_CMP_DCT264
Definition: avcodec.h:1842
int pict_type
AV_PICTURE_TYPE_I, AV_PICTURE_TYPE_P, AV_PICTURE_TYPE_B, ...
Definition: mpegvideo.h:206
static void set_p_mv_tables(MpegEncContext *s, int mx, int my, int mv4)
Definition: motion_est.c:509
int motion_est
ME algorithm.
Definition: mpegvideo.h:252
static int sad_hpel_motion_search(MpegEncContext *s, int *mx_ptr, int *my_ptr, int dmin, int src_index, int ref_index, int size, int h)
Definition: motion_est.c:403
int16_t(* b_bidir_back_mv_table)[2]
MV table (1MV per MB) bidir mode B-frame encoding.
Definition: mpegvideo.h:243
me_cmp_func me_cmp[6]
Definition: me_cmp.h:56
int ff_init_me(MpegEncContext *s)
Definition: motion_est.c:303
uint8_t *[2] p_field_select_table
Definition: mpegvideo.h:247
int16_t(* b_direct_mv_table)[2]
MV table (1MV per MB) direct mode B-frame encoding.
Definition: mpegvideo.h:244
#define AV_CODEC_FLAG_QPEL
Use qpel MC.
Definition: avcodec.h:747
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:146
qpel_mc_func(* qpel_avg)[16]
Definition: motion_est.h:87
int mc_mb_var_sum_temp
Definition: motion_est.h:80
int16_t(* b_forw_mv_table)[2]
MV table (1MV per MB) forward mode B-frame encoding.
Definition: mpegvideo.h:240
static void zero_hpel(uint8_t *a, const uint8_t *b, ptrdiff_t stride, int h)
Definition: motion_est.c:300
int b8_stride
2*mb_width+1 used for some 8x8 block arrays to allow simple addressing
Definition: mpegvideo.h:126
me_cmp_func sse[6]
Definition: me_cmp.h:43
MpegEncContext.
Definition: mpegvideo.h:76
struct AVCodecContext * avctx
Definition: mpegvideo.h:93
static uint8_t mv_penalty[MAX_FCODE+1][MAX_MV *2+1]
Table of number of bits a motion vector component needs.
Definition: ituh263enc.c:47
int mb_cmp
macroblock comparison function (not supported yet)
Definition: avcodec.h:1823
MECmpContext mecc
Definition: mpegvideo.h:222
int direct_basis_mv[4][2]
Definition: motion_est.h:46
#define FF_DISABLE_DEPRECATION_WARNINGS
Definition: internal.h:77
common internal api header.
int mb_stride
mb_width+1 used for some arrays to allow simple addressing of left & top MBs without sig11 ...
Definition: mpegvideo.h:125
#define CANDIDATE_MB_TYPE_FORWARD
Definition: mpegutils.h:112
Picture last_picture
copy of the previous picture structure.
Definition: mpegvideo.h:157
Bi-dir predicted.
Definition: avutil.h:262
int co_located_mv[4][2]
mv from last P-frame for direct mode ME
Definition: motion_est.h:45
me_cmp_func me_sub_cmp[6]
Definition: me_cmp.h:57
uint32_t * map
map to avoid duplicate evaluations
Definition: motion_est.h:53
static int h263_mv4_search(MpegEncContext *s, int mx, int my, int shift)
Definition: motion_est.c:580
#define CANDIDATE_MB_TYPE_INTRA
Definition: mpegutils.h:106
int dia_size
ME diamond size & shape.
Definition: avcodec.h:1850
#define FF_ENABLE_DEPRECATION_WARNINGS
Definition: internal.h:78
#define IS_8X8(a)
Definition: mpegutils.h:91
static void init_ref(MotionEstContext *c, uint8_t *src[3], uint8_t *ref[3], uint8_t *ref2[3], int x, int y, int ref_index)
Definition: motion_est.c:86
static int cmp_hpel(MpegEncContext *s, const int x, const int y, const int subx, const int suby, const int size, const int h, int ref_index, int src_index, me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags)
Definition: motion_est.c:272
int ff_get_best_fcode(MpegEncContext *s, int16_t(*mv_table)[2], int type)
Definition: motion_est.c:1587
Picture next_picture
copy of the next picture structure.
Definition: mpegvideo.h:163
void ff_fix_long_mvs(MpegEncContext *s, uint8_t *field_select_table, int field_select, int16_t(*mv_table)[2], int f_code, int type, int truncate)
Definition: motion_est.c:1689
uint32_t * mb_type
types and macros are defined in mpegutils.h
Definition: mpegpicture.h:56
#define av_always_inline
Definition: attributes.h:40
uint8_t * temp
Definition: motion_est.h:51
static av_always_inline int cmp_inline(MpegEncContext *s, const int x, const int y, const int subx, const int suby, const int size, const int h, int ref_index, int src_index, me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, int qpel, int chroma)
Definition: motion_est.c:182
#define CANDIDATE_MB_TYPE_BACKWARD
Definition: mpegutils.h:113
#define MV_TYPE_8X8
4 vectors (H.263, MPEG-4 4MV)
Definition: mpegvideo.h:261
int b_code
backward MV resolution for B-frames (MPEG-4)
Definition: mpegvideo.h:230
int me_pre_cmp
motion estimation prepass comparison function
Definition: avcodec.h:1870
float min
int x
Definition: motion_est.c:71
int strict_std_compliance
strictly follow the standard (MPEG-4, ...).
Definition: avcodec.h:2605
Predicted.
Definition: avutil.h:261
unsigned int lambda
Lagrange multiplier used in rate distortion.
Definition: mpegvideo.h:201
#define HASH(fx, fy, bx, by)
uint16_t pb_time
time distance between the last b and p,s,i frame
Definition: mpegvideo.h:378
HpelDSPContext hdsp
Definition: mpegvideo.h:220