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 "mathops.h"
36 #include "mpegutils.h"
37 #include "mpegvideo.h"
38 
39 #undef NDEBUG
40 #include <assert.h>
41 
42 #define P_LEFT P[1]
43 #define P_TOP P[2]
44 #define P_TOPRIGHT P[3]
45 #define P_MEDIAN P[4]
46 #define P_MV1 P[9]
47 
48 #define ME_MAP_SHIFT 3
49 #define ME_MAP_MV_BITS 11
50 
52  int *mx_ptr, int *my_ptr, int dmin,
53  int src_index, int ref_index,
54  int size, int h);
55 
56 static inline unsigned update_map_generation(MotionEstContext *c)
57 {
58  c->map_generation+= 1<<(ME_MAP_MV_BITS*2);
59  if(c->map_generation==0){
60  c->map_generation= 1<<(ME_MAP_MV_BITS*2);
61  memset(c->map, 0, sizeof(uint32_t)*ME_MAP_SIZE);
62  }
63  return c->map_generation;
64 }
65 
66 /* shape adaptive search stuff */
67 typedef struct Minima{
68  int height;
69  int x, y;
70  int checked;
71 }Minima;
72 
73 static int minima_cmp(const void *a, const void *b){
74  const Minima *da = (const Minima *) a;
75  const Minima *db = (const Minima *) b;
76 
77  return da->height - db->height;
78 }
79 
80 #define FLAG_QPEL 1 //must be 1
81 #define FLAG_CHROMA 2
82 #define FLAG_DIRECT 4
83 
84 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){
85  const int offset[3]= {
86  y*c-> stride + x,
87  ((y*c->uvstride + x)>>1),
88  ((y*c->uvstride + x)>>1),
89  };
90  int i;
91  for(i=0; i<3; i++){
92  c->src[0][i]= src [i] + offset[i];
93  c->ref[0][i]= ref [i] + offset[i];
94  }
95  if(ref_index){
96  for(i=0; i<3; i++){
97  c->ref[ref_index][i]= ref2[i] + offset[i];
98  }
99  }
100 }
101 
102 static int get_flags(MotionEstContext *c, int direct, int chroma){
103  return ((c->avctx->flags&CODEC_FLAG_QPEL) ? FLAG_QPEL : 0)
104  + (direct ? FLAG_DIRECT : 0)
105  + (chroma ? FLAG_CHROMA : 0);
106 }
107 
108 static av_always_inline int cmp_direct_inline(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
109  const int size, const int h, int ref_index, int src_index,
110  me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, int qpel){
111  MotionEstContext * const c= &s->me;
112  const int stride= c->stride;
113  const int hx= subx + (x<<(1+qpel));
114  const int hy= suby + (y<<(1+qpel));
115  uint8_t * const * const ref= c->ref[ref_index];
116  uint8_t * const * const src= c->src[src_index];
117  int d;
118  //FIXME check chroma 4mv, (no crashes ...)
119  assert(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1));
120  if(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1)){
121  const int time_pp= s->pp_time;
122  const int time_pb= s->pb_time;
123  const int mask= 2*qpel+1;
124  if(s->mv_type==MV_TYPE_8X8){
125  int i;
126  for(i=0; i<4; i++){
127  int fx = c->direct_basis_mv[i][0] + hx;
128  int fy = c->direct_basis_mv[i][1] + hy;
129  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));
130  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));
131  int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));
132  int bxy= (bx&mask) + ((by&mask)<<(qpel+1));
133 
134  uint8_t *dst= c->temp + 8*(i&1) + 8*stride*(i>>1);
135  if(qpel){
136  c->qpel_put[1][fxy](dst, ref[0] + (fx>>2) + (fy>>2)*stride, stride);
137  c->qpel_avg[1][bxy](dst, ref[8] + (bx>>2) + (by>>2)*stride, stride);
138  }else{
139  c->hpel_put[1][fxy](dst, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 8);
140  c->hpel_avg[1][bxy](dst, ref[8] + (bx>>1) + (by>>1)*stride, stride, 8);
141  }
142  }
143  }else{
144  int fx = c->direct_basis_mv[0][0] + hx;
145  int fy = c->direct_basis_mv[0][1] + hy;
146  int bx = hx ? fx - c->co_located_mv[0][0] : (c->co_located_mv[0][0]*(time_pb - time_pp)/time_pp);
147  int by = hy ? fy - c->co_located_mv[0][1] : (c->co_located_mv[0][1]*(time_pb - time_pp)/time_pp);
148  int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));
149  int bxy= (bx&mask) + ((by&mask)<<(qpel+1));
150 
151  if(qpel){
152  c->qpel_put[1][fxy](c->temp , ref[0] + (fx>>2) + (fy>>2)*stride , stride);
153  c->qpel_put[1][fxy](c->temp + 8 , ref[0] + (fx>>2) + (fy>>2)*stride + 8 , stride);
154  c->qpel_put[1][fxy](c->temp + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8*stride, stride);
155  c->qpel_put[1][fxy](c->temp + 8 + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8 + 8*stride, stride);
156  c->qpel_avg[1][bxy](c->temp , ref[8] + (bx>>2) + (by>>2)*stride , stride);
157  c->qpel_avg[1][bxy](c->temp + 8 , ref[8] + (bx>>2) + (by>>2)*stride + 8 , stride);
158  c->qpel_avg[1][bxy](c->temp + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8*stride, stride);
159  c->qpel_avg[1][bxy](c->temp + 8 + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8 + 8*stride, stride);
160  }else{
161  assert((fx>>1) + 16*s->mb_x >= -16);
162  assert((fy>>1) + 16*s->mb_y >= -16);
163  assert((fx>>1) + 16*s->mb_x <= s->width);
164  assert((fy>>1) + 16*s->mb_y <= s->height);
165  assert((bx>>1) + 16*s->mb_x >= -16);
166  assert((by>>1) + 16*s->mb_y >= -16);
167  assert((bx>>1) + 16*s->mb_x <= s->width);
168  assert((by>>1) + 16*s->mb_y <= s->height);
169 
170  c->hpel_put[0][fxy](c->temp, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 16);
171  c->hpel_avg[0][bxy](c->temp, ref[8] + (bx>>1) + (by>>1)*stride, stride, 16);
172  }
173  }
174  d = cmp_func(s, c->temp, src[0], stride, 16);
175  }else
176  d= 256*256*256*32;
177  return d;
178 }
179 
180 static av_always_inline int cmp_inline(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
181  const int size, const int h, int ref_index, int src_index,
182  me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, int qpel, int chroma){
183  MotionEstContext * const c= &s->me;
184  const int stride= c->stride;
185  const int uvstride= c->uvstride;
186  const int dxy= subx + (suby<<(1+qpel)); //FIXME log2_subpel?
187  const int hx= subx + (x<<(1+qpel));
188  const int hy= suby + (y<<(1+qpel));
189  uint8_t * const * const ref= c->ref[ref_index];
190  uint8_t * const * const src= c->src[src_index];
191  int d;
192  //FIXME check chroma 4mv, (no crashes ...)
193  int uvdxy; /* no, it might not be used uninitialized */
194  if(dxy){
195  if(qpel){
196  c->qpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride); //FIXME prototype (add h)
197  if(chroma){
198  int cx= hx/2;
199  int cy= hy/2;
200  cx= (cx>>1)|(cx&1);
201  cy= (cy>>1)|(cy&1);
202  uvdxy= (cx&1) + 2*(cy&1);
203  //FIXME x/y wrong, but mpeg4 qpel is sick anyway, we should drop as much of it as possible in favor for h264
204  }
205  }else{
206  c->hpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride, h);
207  if(chroma)
208  uvdxy= dxy | (x&1) | (2*(y&1));
209  }
210  d = cmp_func(s, c->temp, src[0], stride, h);
211  }else{
212  d = cmp_func(s, src[0], ref[0] + x + y*stride, stride, h);
213  if(chroma)
214  uvdxy= (x&1) + 2*(y&1);
215  }
216  if(chroma){
217  uint8_t * const uvtemp= c->temp + 16*stride;
218  c->hpel_put[size+1][uvdxy](uvtemp , ref[1] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1);
219  c->hpel_put[size+1][uvdxy](uvtemp+8, ref[2] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1);
220  d += chroma_cmp_func(s, uvtemp , src[1], uvstride, h>>1);
221  d += chroma_cmp_func(s, uvtemp+8, src[2], uvstride, h>>1);
222  }
223  return d;
224 }
225 
226 static int cmp_simple(MpegEncContext *s, const int x, const int y,
227  int ref_index, int src_index,
228  me_cmp_func cmp_func, me_cmp_func chroma_cmp_func){
229  return cmp_inline(s,x,y,0,0,0,16,ref_index,src_index, cmp_func, chroma_cmp_func, 0, 0);
230 }
231 
232 static int cmp_fpel_internal(MpegEncContext *s, const int x, const int y,
233  const int size, const int h, int ref_index, int src_index,
234  me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
235  if(flags&FLAG_DIRECT){
236  return cmp_direct_inline(s,x,y,0,0,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, flags&FLAG_QPEL);
237  }else{
238  return cmp_inline(s,x,y,0,0,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 0, flags&FLAG_CHROMA);
239  }
240 }
241 
242 static int cmp_internal(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
243  const int size, const int h, int ref_index, int src_index,
244  me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
245  if(flags&FLAG_DIRECT){
246  return cmp_direct_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, flags&FLAG_QPEL);
247  }else{
248  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);
249  }
250 }
251 
255 static av_always_inline int cmp(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
256  const int size, const int h, int ref_index, int src_index,
257  me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
260  && flags==0 && h==16 && size==0 && subx==0 && suby==0){
261  return cmp_simple(s,x,y,ref_index,src_index, cmp_func, chroma_cmp_func);
262  }else if(av_builtin_constant_p(subx) && av_builtin_constant_p(suby)
263  && subx==0 && suby==0){
264  return cmp_fpel_internal(s,x,y,size,h,ref_index,src_index, cmp_func, chroma_cmp_func,flags);
265  }else{
266  return cmp_internal(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, flags);
267  }
268 }
269 
270 static int cmp_hpel(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
271  const int size, const int h, int ref_index, int src_index,
272  me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
273  if(flags&FLAG_DIRECT){
274  return cmp_direct_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 0);
275  }else{
276  return cmp_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 0, flags&FLAG_CHROMA);
277  }
278 }
279 
280 static int cmp_qpel(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
281  const int size, const int h, int ref_index, int src_index,
282  me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
283  if(flags&FLAG_DIRECT){
284  return cmp_direct_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 1);
285  }else{
286  return cmp_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 1, flags&FLAG_CHROMA);
287  }
288 }
289 
290 #include "motion_est_template.c"
291 
293  int stride, int h)
294 {
295  return 0;
296 }
297 
298 static void zero_hpel(uint8_t *a, const uint8_t *b, ptrdiff_t stride, int h){
299 }
300 
302  MotionEstContext * const c= &s->me;
303  int cache_size= FFMIN(ME_MAP_SIZE>>ME_MAP_SHIFT, 1<<ME_MAP_SHIFT);
304  int dia_size= FFMAX(FFABS(s->avctx->dia_size)&255, FFABS(s->avctx->pre_dia_size)&255);
305 
307  av_log(s->avctx, AV_LOG_ERROR, "ME_MAP size is too small for SAB diamond\n");
308  return -1;
309  }
310  if (s->me_method != ME_ZERO &&
311  s->me_method != ME_EPZS &&
312  s->me_method != ME_X1) {
313  av_log(s->avctx, AV_LOG_ERROR, "me_method is only allowed to be set to zero and epzs; for hex,umh,full and others see dia_size\n");
314  return -1;
315  }
316 
317  c->avctx= s->avctx;
318 
319  if(cache_size < 2*dia_size && !c->stride){
320  av_log(s->avctx, AV_LOG_INFO, "ME_MAP size may be a little small for the selected diamond size\n");
321  }
322 
324  ff_set_cmp(&s->mecc, s->mecc.me_cmp, c->avctx->me_cmp);
326  ff_set_cmp(&s->mecc, s->mecc.mb_cmp, c->avctx->mb_cmp);
327 
328  c->flags = get_flags(c, 0, c->avctx->me_cmp &FF_CMP_CHROMA);
330  c->mb_flags = get_flags(c, 0, c->avctx->mb_cmp &FF_CMP_CHROMA);
331 
332 /*FIXME s->no_rounding b_type*/
333  if(s->flags&CODEC_FLAG_QPEL){
336  if (s->no_rounding)
338  else
340  }else{
343  else if( c->avctx->me_sub_cmp == FF_CMP_SAD
344  && c->avctx-> me_cmp == FF_CMP_SAD
345  && c->avctx-> mb_cmp == FF_CMP_SAD)
346  c->sub_motion_search= sad_hpel_motion_search; // 2050 vs. 2450 cycles
347  else
349  }
350  c->hpel_avg = s->hdsp.avg_pixels_tab;
351  if (s->no_rounding)
353  else
354  c->hpel_put = s->hdsp.put_pixels_tab;
355 
356  if(s->linesize){
357  c->stride = s->linesize;
358  c->uvstride= s->uvlinesize;
359  }else{
360  c->stride = 16*s->mb_width + 32;
361  c->uvstride= 8*s->mb_width + 16;
362  }
363 
364  /* 8x8 fullpel search would need a 4x4 chroma compare, which we do
365  * not have yet, and even if we had, the motion estimation code
366  * does not expect it. */
367  if ((c->avctx->me_cmp & FF_CMP_CHROMA) /* && !s->mecc.me_cmp[2] */)
368  s->mecc.me_cmp[2] = zero_cmp;
369  if ((c->avctx->me_sub_cmp & FF_CMP_CHROMA) && !s->mecc.me_sub_cmp[2])
370  s->mecc.me_sub_cmp[2] = zero_cmp;
371  c->hpel_put[2][0]= c->hpel_put[2][1]=
372  c->hpel_put[2][2]= c->hpel_put[2][3]= zero_hpel;
373 
374  if(s->codec_id == AV_CODEC_ID_H261){
376  }
377 
378  return 0;
379 }
380 
381 #define CHECK_SAD_HALF_MV(suffix, x, y) \
382 {\
383  d = s->mecc.pix_abs[size][(x ? 1 : 0) + (y ? 2 : 0)](NULL, pix, ptr + ((x) >> 1), stride, h); \
384  d += (mv_penalty[pen_x + x] + mv_penalty[pen_y + y])*penalty_factor;\
385  COPY3_IF_LT(dminh, d, dx, x, dy, y)\
386 }
387 
389  int *mx_ptr, int *my_ptr, int dmin,
390  int src_index, int ref_index,
391  int size, int h)
392 {
393  MotionEstContext * const c= &s->me;
394  const int penalty_factor= c->sub_penalty_factor;
395  int mx, my, dminh;
396  uint8_t *pix, *ptr;
397  int stride= c->stride;
398  const int flags= c->sub_flags;
400 
401  assert(flags == 0);
402 
403  if(c->skip){
404  *mx_ptr = 0;
405  *my_ptr = 0;
406  return dmin;
407  }
408 
409  pix = c->src[src_index][0];
410 
411  mx = *mx_ptr;
412  my = *my_ptr;
413  ptr = c->ref[ref_index][0] + (my * stride) + mx;
414 
415  dminh = dmin;
416 
417  if (mx > xmin && mx < xmax &&
418  my > ymin && my < ymax) {
419  int dx=0, dy=0;
420  int d, pen_x, pen_y;
421  const int index= (my<<ME_MAP_SHIFT) + mx;
422  const int t= score_map[(index-(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)];
423  const int l= score_map[(index- 1 )&(ME_MAP_SIZE-1)];
424  const int r= score_map[(index+ 1 )&(ME_MAP_SIZE-1)];
425  const int b= score_map[(index+(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)];
426  mx<<=1;
427  my<<=1;
428 
429 
430  pen_x= pred_x + mx;
431  pen_y= pred_y + my;
432 
433  ptr-= stride;
434  if(t<=b){
435  CHECK_SAD_HALF_MV(y2 , 0, -1)
436  if(l<=r){
437  CHECK_SAD_HALF_MV(xy2, -1, -1)
438  if(t+r<=b+l){
439  CHECK_SAD_HALF_MV(xy2, +1, -1)
440  ptr+= stride;
441  }else{
442  ptr+= stride;
443  CHECK_SAD_HALF_MV(xy2, -1, +1)
444  }
445  CHECK_SAD_HALF_MV(x2 , -1, 0)
446  }else{
447  CHECK_SAD_HALF_MV(xy2, +1, -1)
448  if(t+l<=b+r){
449  CHECK_SAD_HALF_MV(xy2, -1, -1)
450  ptr+= stride;
451  }else{
452  ptr+= stride;
453  CHECK_SAD_HALF_MV(xy2, +1, +1)
454  }
455  CHECK_SAD_HALF_MV(x2 , +1, 0)
456  }
457  }else{
458  if(l<=r){
459  if(t+l<=b+r){
460  CHECK_SAD_HALF_MV(xy2, -1, -1)
461  ptr+= stride;
462  }else{
463  ptr+= stride;
464  CHECK_SAD_HALF_MV(xy2, +1, +1)
465  }
466  CHECK_SAD_HALF_MV(x2 , -1, 0)
467  CHECK_SAD_HALF_MV(xy2, -1, +1)
468  }else{
469  if(t+r<=b+l){
470  CHECK_SAD_HALF_MV(xy2, +1, -1)
471  ptr+= stride;
472  }else{
473  ptr+= stride;
474  CHECK_SAD_HALF_MV(xy2, -1, +1)
475  }
476  CHECK_SAD_HALF_MV(x2 , +1, 0)
477  CHECK_SAD_HALF_MV(xy2, +1, +1)
478  }
479  CHECK_SAD_HALF_MV(y2 , 0, +1)
480  }
481  mx+=dx;
482  my+=dy;
483 
484  }else{
485  mx<<=1;
486  my<<=1;
487  }
488 
489  *mx_ptr = mx;
490  *my_ptr = my;
491  return dminh;
492 }
493 
494 static inline void set_p_mv_tables(MpegEncContext * s, int mx, int my, int mv4)
495 {
496  const int xy= s->mb_x + s->mb_y*s->mb_stride;
497 
498  s->p_mv_table[xy][0] = mx;
499  s->p_mv_table[xy][1] = my;
500 
501  /* has already been set to the 4 MV if 4MV is done */
502  if(mv4){
503  int mot_xy= s->block_index[0];
504 
505  s->current_picture.motion_val[0][mot_xy ][0] = mx;
506  s->current_picture.motion_val[0][mot_xy ][1] = my;
507  s->current_picture.motion_val[0][mot_xy + 1][0] = mx;
508  s->current_picture.motion_val[0][mot_xy + 1][1] = my;
509 
510  mot_xy += s->b8_stride;
511  s->current_picture.motion_val[0][mot_xy ][0] = mx;
512  s->current_picture.motion_val[0][mot_xy ][1] = my;
513  s->current_picture.motion_val[0][mot_xy + 1][0] = mx;
514  s->current_picture.motion_val[0][mot_xy + 1][1] = my;
515  }
516 }
517 
521 static inline void get_limits(MpegEncContext *s, int x, int y)
522 {
523  MotionEstContext * const c= &s->me;
524  int range= c->avctx->me_range >> (1 + !!(c->flags&FLAG_QPEL));
525 /*
526  if(c->avctx->me_range) c->range= c->avctx->me_range >> 1;
527  else c->range= 16;
528 */
529  if (s->unrestricted_mv) {
530  c->xmin = - x - 16;
531  c->ymin = - y - 16;
532  c->xmax = - x + s->mb_width *16;
533  c->ymax = - y + s->mb_height*16;
534  } else if (s->out_format == FMT_H261){
535  // Search range of H261 is different from other codec standards
536  c->xmin = (x > 15) ? - 15 : 0;
537  c->ymin = (y > 15) ? - 15 : 0;
538  c->xmax = (x < s->mb_width * 16 - 16) ? 15 : 0;
539  c->ymax = (y < s->mb_height * 16 - 16) ? 15 : 0;
540  } else {
541  c->xmin = - x;
542  c->ymin = - y;
543  c->xmax = - x + s->mb_width *16 - 16;
544  c->ymax = - y + s->mb_height*16 - 16;
545  }
546  if(range){
547  c->xmin = FFMAX(c->xmin,-range);
548  c->xmax = FFMIN(c->xmax, range);
549  c->ymin = FFMAX(c->ymin,-range);
550  c->ymax = FFMIN(c->ymax, range);
551  }
552 }
553 
554 static inline void init_mv4_ref(MotionEstContext *c){
555  const int stride= c->stride;
556 
557  c->ref[1][0] = c->ref[0][0] + 8;
558  c->ref[2][0] = c->ref[0][0] + 8*stride;
559  c->ref[3][0] = c->ref[2][0] + 8;
560  c->src[1][0] = c->src[0][0] + 8;
561  c->src[2][0] = c->src[0][0] + 8*stride;
562  c->src[3][0] = c->src[2][0] + 8;
563 }
564 
565 static inline int h263_mv4_search(MpegEncContext *s, int mx, int my, int shift)
566 {
567  MotionEstContext * const c= &s->me;
568  const int size= 1;
569  const int h=8;
570  int block;
571  int P[10][2];
572  int dmin_sum=0, mx4_sum=0, my4_sum=0;
573  int same=1;
574  const int stride= c->stride;
576 
577  init_mv4_ref(c);
578 
579  for(block=0; block<4; block++){
580  int mx4, my4;
581  int pred_x4, pred_y4;
582  int dmin4;
583  static const int off[4]= {2, 1, 1, -1};
584  const int mot_stride = s->b8_stride;
585  const int mot_xy = s->block_index[block];
586 
587  P_LEFT[0] = s->current_picture.motion_val[0][mot_xy - 1][0];
588  P_LEFT[1] = s->current_picture.motion_val[0][mot_xy - 1][1];
589 
590  if(P_LEFT[0] > (c->xmax<<shift)) P_LEFT[0] = (c->xmax<<shift);
591 
592  /* special case for first line */
593  if (s->first_slice_line && block<2) {
594  c->pred_x= pred_x4= P_LEFT[0];
595  c->pred_y= pred_y4= P_LEFT[1];
596  } else {
597  P_TOP[0] = s->current_picture.motion_val[0][mot_xy - mot_stride ][0];
598  P_TOP[1] = s->current_picture.motion_val[0][mot_xy - mot_stride ][1];
599  P_TOPRIGHT[0] = s->current_picture.motion_val[0][mot_xy - mot_stride + off[block]][0];
600  P_TOPRIGHT[1] = s->current_picture.motion_val[0][mot_xy - mot_stride + off[block]][1];
601  if(P_TOP[1] > (c->ymax<<shift)) P_TOP[1] = (c->ymax<<shift);
602  if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift);
603  if(P_TOPRIGHT[0] > (c->xmax<<shift)) P_TOPRIGHT[0]= (c->xmax<<shift);
604  if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift);
605 
606  P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
607  P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
608 
609  c->pred_x= pred_x4 = P_MEDIAN[0];
610  c->pred_y= pred_y4 = P_MEDIAN[1];
611  }
612  P_MV1[0]= mx;
613  P_MV1[1]= my;
614 
615  dmin4 = epzs_motion_search4(s, &mx4, &my4, P, block, block, s->p_mv_table, (1<<16)>>shift);
616 
617  dmin4= c->sub_motion_search(s, &mx4, &my4, dmin4, block, block, size, h);
618 
619  if (s->mecc.me_sub_cmp[0] != s->mecc.mb_cmp[0]) {
620  int dxy;
621  const int offset= ((block&1) + (block>>1)*stride)*8;
622  uint8_t *dest_y = c->scratchpad + offset;
623  if(s->quarter_sample){
624  uint8_t *ref= c->ref[block][0] + (mx4>>2) + (my4>>2)*stride;
625  dxy = ((my4 & 3) << 2) | (mx4 & 3);
626 
627  if(s->no_rounding)
628  s->qdsp.put_no_rnd_qpel_pixels_tab[1][dxy](dest_y, ref, stride);
629  else
630  s->qdsp.put_qpel_pixels_tab[1][dxy](dest_y, ref, stride);
631  }else{
632  uint8_t *ref= c->ref[block][0] + (mx4>>1) + (my4>>1)*stride;
633  dxy = ((my4 & 1) << 1) | (mx4 & 1);
634 
635  if(s->no_rounding)
636  s->hdsp.put_no_rnd_pixels_tab[1][dxy](dest_y , ref , stride, h);
637  else
638  s->hdsp.put_pixels_tab [1][dxy](dest_y , ref , stride, h);
639  }
640  dmin_sum+= (mv_penalty[mx4-pred_x4] + mv_penalty[my4-pred_y4])*c->mb_penalty_factor;
641  }else
642  dmin_sum+= dmin4;
643 
644  if(s->quarter_sample){
645  mx4_sum+= mx4/2;
646  my4_sum+= my4/2;
647  }else{
648  mx4_sum+= mx4;
649  my4_sum+= my4;
650  }
651 
652  s->current_picture.motion_val[0][s->block_index[block]][0] = mx4;
653  s->current_picture.motion_val[0][s->block_index[block]][1] = my4;
654 
655  if(mx4 != mx || my4 != my) same=0;
656  }
657 
658  if(same)
659  return INT_MAX;
660 
661  if (s->mecc.me_sub_cmp[0] != s->mecc.mb_cmp[0]) {
662  dmin_sum += s->mecc.mb_cmp[0](s,
663  s->new_picture.f->data[0] +
664  s->mb_x * 16 + s->mb_y * 16 * stride,
665  c->scratchpad, stride, 16);
666  }
667 
668  if(c->avctx->mb_cmp&FF_CMP_CHROMA){
669  int dxy;
670  int mx, my;
671  int offset;
672 
673  mx= ff_h263_round_chroma(mx4_sum);
674  my= ff_h263_round_chroma(my4_sum);
675  dxy = ((my & 1) << 1) | (mx & 1);
676 
677  offset= (s->mb_x*8 + (mx>>1)) + (s->mb_y*8 + (my>>1))*s->uvlinesize;
678 
679  if(s->no_rounding){
680  s->hdsp.put_no_rnd_pixels_tab[1][dxy](c->scratchpad , s->last_picture.f->data[1] + offset, s->uvlinesize, 8);
681  s->hdsp.put_no_rnd_pixels_tab[1][dxy](c->scratchpad + 8, s->last_picture.f->data[2] + offset, s->uvlinesize, 8);
682  }else{
683  s->hdsp.put_pixels_tab [1][dxy](c->scratchpad , s->last_picture.f->data[1] + offset, s->uvlinesize, 8);
684  s->hdsp.put_pixels_tab [1][dxy](c->scratchpad + 8, s->last_picture.f->data[2] + offset, s->uvlinesize, 8);
685  }
686 
687  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);
688  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);
689  }
690 
691  c->pred_x= mx;
692  c->pred_y= my;
693 
694  switch(c->avctx->mb_cmp&0xFF){
695  /*case FF_CMP_SSE:
696  return dmin_sum+ 32*s->qscale*s->qscale;*/
697  case FF_CMP_RD:
698  return dmin_sum;
699  default:
700  return dmin_sum+ 11*c->mb_penalty_factor;
701  }
702 }
703 
704 static inline void init_interlaced_ref(MpegEncContext *s, int ref_index){
705  MotionEstContext * const c= &s->me;
706 
707  c->ref[1+ref_index][0] = c->ref[0+ref_index][0] + s->linesize;
708  c->src[1][0] = c->src[0][0] + s->linesize;
709  if(c->flags & FLAG_CHROMA){
710  c->ref[1+ref_index][1] = c->ref[0+ref_index][1] + s->uvlinesize;
711  c->ref[1+ref_index][2] = c->ref[0+ref_index][2] + s->uvlinesize;
712  c->src[1][1] = c->src[0][1] + s->uvlinesize;
713  c->src[1][2] = c->src[0][2] + s->uvlinesize;
714  }
715 }
716 
717 static int interlaced_search(MpegEncContext *s, int ref_index,
718  int16_t (*mv_tables[2][2])[2], uint8_t *field_select_tables[2], int mx, int my, int user_field_select)
719 {
720  MotionEstContext * const c= &s->me;
721  const int size=0;
722  const int h=8;
723  int block;
724  int P[10][2];
726  int same=1;
727  const int stride= 2*s->linesize;
728  int dmin_sum= 0;
729  const int mot_stride= s->mb_stride;
730  const int xy= s->mb_x + s->mb_y*mot_stride;
731 
732  c->ymin>>=1;
733  c->ymax>>=1;
734  c->stride<<=1;
735  c->uvstride<<=1;
736  init_interlaced_ref(s, ref_index);
737 
738  for(block=0; block<2; block++){
739  int field_select;
740  int best_dmin= INT_MAX;
741  int best_field= -1;
742 
743  for(field_select=0; field_select<2; field_select++){
744  int dmin, mx_i, my_i;
745  int16_t (*mv_table)[2]= mv_tables[block][field_select];
746 
747  if(user_field_select){
748  assert(field_select==0 || field_select==1);
749  assert(field_select_tables[block][xy]==0 || field_select_tables[block][xy]==1);
750  if(field_select_tables[block][xy] != field_select)
751  continue;
752  }
753 
754  P_LEFT[0] = mv_table[xy - 1][0];
755  P_LEFT[1] = mv_table[xy - 1][1];
756  if(P_LEFT[0] > (c->xmax<<1)) P_LEFT[0] = (c->xmax<<1);
757 
758  c->pred_x= P_LEFT[0];
759  c->pred_y= P_LEFT[1];
760 
761  if(!s->first_slice_line){
762  P_TOP[0] = mv_table[xy - mot_stride][0];
763  P_TOP[1] = mv_table[xy - mot_stride][1];
764  P_TOPRIGHT[0] = mv_table[xy - mot_stride + 1][0];
765  P_TOPRIGHT[1] = mv_table[xy - mot_stride + 1][1];
766  if(P_TOP[1] > (c->ymax<<1)) P_TOP[1] = (c->ymax<<1);
767  if(P_TOPRIGHT[0] < (c->xmin<<1)) P_TOPRIGHT[0]= (c->xmin<<1);
768  if(P_TOPRIGHT[0] > (c->xmax<<1)) P_TOPRIGHT[0]= (c->xmax<<1);
769  if(P_TOPRIGHT[1] > (c->ymax<<1)) P_TOPRIGHT[1]= (c->ymax<<1);
770 
771  P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
772  P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
773  }
774  P_MV1[0]= mx; //FIXME not correct if block != field_select
775  P_MV1[1]= my / 2;
776 
777  dmin = epzs_motion_search2(s, &mx_i, &my_i, P, block, field_select+ref_index, mv_table, (1<<16)>>1);
778 
779  dmin= c->sub_motion_search(s, &mx_i, &my_i, dmin, block, field_select+ref_index, size, h);
780 
781  mv_table[xy][0]= mx_i;
782  mv_table[xy][1]= my_i;
783 
784  if (s->mecc.me_sub_cmp[0] != s->mecc.mb_cmp[0]) {
785  int dxy;
786 
787  //FIXME chroma ME
788  uint8_t *ref= c->ref[field_select+ref_index][0] + (mx_i>>1) + (my_i>>1)*stride;
789  dxy = ((my_i & 1) << 1) | (mx_i & 1);
790 
791  if(s->no_rounding){
792  s->hdsp.put_no_rnd_pixels_tab[size][dxy](c->scratchpad, ref , stride, h);
793  }else{
794  s->hdsp.put_pixels_tab [size][dxy](c->scratchpad, ref , stride, h);
795  }
796  dmin = s->mecc.mb_cmp[size](s, c->src[block][0], c->scratchpad, stride, h);
797  dmin+= (mv_penalty[mx_i-c->pred_x] + mv_penalty[my_i-c->pred_y] + 1)*c->mb_penalty_factor;
798  }else
799  dmin+= c->mb_penalty_factor; //field_select bits
800 
801  dmin += field_select != block; //slightly prefer same field
802 
803  if(dmin < best_dmin){
804  best_dmin= dmin;
805  best_field= field_select;
806  }
807  }
808  {
809  int16_t (*mv_table)[2]= mv_tables[block][best_field];
810 
811  if(mv_table[xy][0] != mx) same=0; //FIXME check if these checks work and are any good at all
812  if(mv_table[xy][1]&1) same=0;
813  if(mv_table[xy][1]*2 != my) same=0;
814  if(best_field != block) same=0;
815  }
816 
817  field_select_tables[block][xy]= best_field;
818  dmin_sum += best_dmin;
819  }
820 
821  c->ymin<<=1;
822  c->ymax<<=1;
823  c->stride>>=1;
824  c->uvstride>>=1;
825 
826  if(same)
827  return INT_MAX;
828 
829  switch(c->avctx->mb_cmp&0xFF){
830  /*case FF_CMP_SSE:
831  return dmin_sum+ 32*s->qscale*s->qscale;*/
832  case FF_CMP_RD:
833  return dmin_sum;
834  default:
835  return dmin_sum+ 11*c->mb_penalty_factor;
836  }
837 }
838 
839 static inline int get_penalty_factor(int lambda, int lambda2, int type){
840  switch(type&0xFF){
841  default:
842  case FF_CMP_SAD:
843  return lambda>>FF_LAMBDA_SHIFT;
844  case FF_CMP_DCT:
845  return (3*lambda)>>(FF_LAMBDA_SHIFT+1);
846  case FF_CMP_SATD:
847  case FF_CMP_DCT264:
848  return (2*lambda)>>FF_LAMBDA_SHIFT;
849  case FF_CMP_RD:
850  case FF_CMP_PSNR:
851  case FF_CMP_SSE:
852  case FF_CMP_NSSE:
853  return lambda2>>FF_LAMBDA_SHIFT;
854  case FF_CMP_BIT:
855  return 1;
856  }
857 }
858 
860  int mb_x, int mb_y)
861 {
862  MotionEstContext * const c= &s->me;
863  uint8_t *pix, *ppix;
864  int sum, mx, my, dmin;
865  int varc;
866  int vard;
867  int P[10][2];
868  const int shift= 1+s->quarter_sample;
869  int mb_type=0;
870  Picture * const pic= &s->current_picture;
871 
872  init_ref(c, s->new_picture.f->data, s->last_picture.f->data, NULL, 16*mb_x, 16*mb_y, 0);
873 
874  assert(s->quarter_sample==0 || s->quarter_sample==1);
875  assert(s->linesize == c->stride);
876  assert(s->uvlinesize == c->uvstride);
877 
882 
883  get_limits(s, 16*mb_x, 16*mb_y);
884  c->skip=0;
885 
886  /* intra / predictive decision */
887  pix = c->src[0][0];
888  sum = s->mpvencdsp.pix_sum(pix, s->linesize);
889  varc = s->mpvencdsp.pix_norm1(pix, s->linesize) -
890  (((unsigned) sum * sum) >> 8) + 500;
891 
892  pic->mb_mean[s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
893  pic->mb_var [s->mb_stride * mb_y + mb_x] = (varc+128)>>8;
894  c->mb_var_sum_temp += (varc+128)>>8;
895 
896  switch(s->me_method) {
897  case ME_ZERO:
898  default:
899  mx = 0;
900  my = 0;
901  dmin = 0;
902  break;
903  case ME_X1:
904  case ME_EPZS:
905  {
906  const int mot_stride = s->b8_stride;
907  const int mot_xy = s->block_index[0];
908 
909  P_LEFT[0] = s->current_picture.motion_val[0][mot_xy - 1][0];
910  P_LEFT[1] = s->current_picture.motion_val[0][mot_xy - 1][1];
911 
912  if(P_LEFT[0] > (c->xmax<<shift)) P_LEFT[0] = (c->xmax<<shift);
913 
914  if(!s->first_slice_line) {
915  P_TOP[0] = s->current_picture.motion_val[0][mot_xy - mot_stride ][0];
916  P_TOP[1] = s->current_picture.motion_val[0][mot_xy - mot_stride ][1];
917  P_TOPRIGHT[0] = s->current_picture.motion_val[0][mot_xy - mot_stride + 2][0];
918  P_TOPRIGHT[1] = s->current_picture.motion_val[0][mot_xy - mot_stride + 2][1];
919  if(P_TOP[1] > (c->ymax<<shift)) P_TOP[1] = (c->ymax<<shift);
920  if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift);
921  if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift);
922 
923  P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
924  P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
925 
926  if(s->out_format == FMT_H263){
927  c->pred_x = P_MEDIAN[0];
928  c->pred_y = P_MEDIAN[1];
929  }else { /* mpeg1 at least */
930  c->pred_x= P_LEFT[0];
931  c->pred_y= P_LEFT[1];
932  }
933  }else{
934  c->pred_x= P_LEFT[0];
935  c->pred_y= P_LEFT[1];
936  }
937 
938  }
939  dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, 0, s->p_mv_table, (1<<16)>>shift, 0, 16);
940 
941  break;
942  }
943 
944  /* At this point (mx,my) are full-pell and the relative displacement */
945  ppix = c->ref[0][0] + (my * s->linesize) + mx;
946 
947  vard = s->mecc.sse[0](NULL, pix, ppix, s->linesize, 16);
948 
949  pic->mc_mb_var[s->mb_stride * mb_y + mb_x] = (vard+128)>>8;
950  c->mc_mb_var_sum_temp += (vard+128)>>8;
951 
952  if(mb_type){
953  int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100);
954  int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20;
955  c->scene_change_score+= ff_sqrt(p_score) - ff_sqrt(i_score);
956 
957  if(mb_type == CANDIDATE_MB_TYPE_INTER){
958  c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
959  set_p_mv_tables(s, mx, my, 1);
960  }else{
961  mx <<=shift;
962  my <<=shift;
963  }
964  if(mb_type == CANDIDATE_MB_TYPE_INTER4V){
965  h263_mv4_search(s, mx, my, shift);
966 
967  set_p_mv_tables(s, mx, my, 0);
968  }
969  if(mb_type == CANDIDATE_MB_TYPE_INTER_I){
971  }
972  }else if(c->avctx->mb_decision > FF_MB_DECISION_SIMPLE){
973  int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100);
974  int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20;
975  c->scene_change_score+= ff_sqrt(p_score) - ff_sqrt(i_score);
976 
977  if (vard*2 + 200*256 > varc)
978  mb_type|= CANDIDATE_MB_TYPE_INTRA;
979  if (varc*2 + 200*256 > vard || s->qscale > 24){
980 // if (varc*2 + 200*256 + 50*(s->lambda2>>FF_LAMBDA_SHIFT) > vard){
981  mb_type|= CANDIDATE_MB_TYPE_INTER;
982  c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
983  if (s->mpv_flags & FF_MPV_FLAG_MV0)
984  if(mx || my)
985  mb_type |= CANDIDATE_MB_TYPE_SKIPPED; //FIXME check difference
986  }else{
987  mx <<=shift;
988  my <<=shift;
989  }
990  if((s->flags&CODEC_FLAG_4MV)
991  && !c->skip && varc>50<<8 && vard>10<<8){
992  if(h263_mv4_search(s, mx, my, shift) < INT_MAX)
993  mb_type|=CANDIDATE_MB_TYPE_INTER4V;
994 
995  set_p_mv_tables(s, mx, my, 0);
996  }else
997  set_p_mv_tables(s, mx, my, 1);
999  && !c->skip){ //FIXME varc/d checks
1000  if(interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 0) < INT_MAX)
1001  mb_type |= CANDIDATE_MB_TYPE_INTER_I;
1002  }
1003  }else{
1004  int intra_score, i;
1005  mb_type= CANDIDATE_MB_TYPE_INTER;
1006 
1007  dmin= c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
1008  if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip)
1009  dmin= get_mb_score(s, mx, my, 0, 0, 0, 16, 1);
1010 
1011  if((s->flags&CODEC_FLAG_4MV)
1012  && !c->skip && varc>50<<8 && vard>10<<8){
1013  int dmin4= h263_mv4_search(s, mx, my, shift);
1014  if(dmin4 < dmin){
1015  mb_type= CANDIDATE_MB_TYPE_INTER4V;
1016  dmin=dmin4;
1017  }
1018  }
1020  && !c->skip){ //FIXME varc/d checks
1021  int dmin_i= interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 0);
1022  if(dmin_i < dmin){
1023  mb_type = CANDIDATE_MB_TYPE_INTER_I;
1024  dmin= dmin_i;
1025  }
1026  }
1027 
1028  set_p_mv_tables(s, mx, my, mb_type!=CANDIDATE_MB_TYPE_INTER4V);
1029 
1030  /* get intra luma score */
1031  if((c->avctx->mb_cmp&0xFF)==FF_CMP_SSE){
1032  intra_score= varc - 500;
1033  }else{
1034  unsigned mean = (sum+128)>>8;
1035  mean*= 0x01010101;
1036 
1037  for(i=0; i<16; i++){
1038  *(uint32_t*)(&c->scratchpad[i*s->linesize+ 0]) = mean;
1039  *(uint32_t*)(&c->scratchpad[i*s->linesize+ 4]) = mean;
1040  *(uint32_t*)(&c->scratchpad[i*s->linesize+ 8]) = mean;
1041  *(uint32_t*)(&c->scratchpad[i*s->linesize+12]) = mean;
1042  }
1043 
1044  intra_score= s->mecc.mb_cmp[0](s, c->scratchpad, pix, s->linesize, 16);
1045  }
1046  intra_score += c->mb_penalty_factor*16;
1047 
1048  if(intra_score < dmin){
1049  mb_type= CANDIDATE_MB_TYPE_INTRA;
1050  s->current_picture.mb_type[mb_y*s->mb_stride + mb_x] = CANDIDATE_MB_TYPE_INTRA; //FIXME cleanup
1051  }else
1052  s->current_picture.mb_type[mb_y*s->mb_stride + mb_x] = 0;
1053 
1054  {
1055  int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100);
1056  int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20;
1057  c->scene_change_score+= ff_sqrt(p_score) - ff_sqrt(i_score);
1058  }
1059  }
1060 
1061  s->mb_type[mb_y*s->mb_stride + mb_x]= mb_type;
1062 }
1063 
1065  int mb_x, int mb_y)
1066 {
1067  MotionEstContext * const c= &s->me;
1068  int mx, my, dmin;
1069  int P[10][2];
1070  const int shift= 1+s->quarter_sample;
1071  const int xy= mb_x + mb_y*s->mb_stride;
1072  init_ref(c, s->new_picture.f->data, s->last_picture.f->data, NULL, 16*mb_x, 16*mb_y, 0);
1073 
1074  assert(s->quarter_sample==0 || s->quarter_sample==1);
1075 
1078 
1079  get_limits(s, 16*mb_x, 16*mb_y);
1080  c->skip=0;
1081 
1082  P_LEFT[0] = s->p_mv_table[xy + 1][0];
1083  P_LEFT[1] = s->p_mv_table[xy + 1][1];
1084 
1085  if(P_LEFT[0] < (c->xmin<<shift)) P_LEFT[0] = (c->xmin<<shift);
1086 
1087  /* special case for first line */
1088  if (s->first_slice_line) {
1089  c->pred_x= P_LEFT[0];
1090  c->pred_y= P_LEFT[1];
1091  P_TOP[0]= P_TOPRIGHT[0]= P_MEDIAN[0]=
1092  P_TOP[1]= P_TOPRIGHT[1]= P_MEDIAN[1]= 0; //FIXME
1093  } else {
1094  P_TOP[0] = s->p_mv_table[xy + s->mb_stride ][0];
1095  P_TOP[1] = s->p_mv_table[xy + s->mb_stride ][1];
1096  P_TOPRIGHT[0] = s->p_mv_table[xy + s->mb_stride - 1][0];
1097  P_TOPRIGHT[1] = s->p_mv_table[xy + s->mb_stride - 1][1];
1098  if(P_TOP[1] < (c->ymin<<shift)) P_TOP[1] = (c->ymin<<shift);
1099  if(P_TOPRIGHT[0] > (c->xmax<<shift)) P_TOPRIGHT[0]= (c->xmax<<shift);
1100  if(P_TOPRIGHT[1] < (c->ymin<<shift)) P_TOPRIGHT[1]= (c->ymin<<shift);
1101 
1102  P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1103  P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1104 
1105  c->pred_x = P_MEDIAN[0];
1106  c->pred_y = P_MEDIAN[1];
1107  }
1108 
1109  dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, 0, s->p_mv_table, (1<<16)>>shift, 0, 16);
1110 
1111  s->p_mv_table[xy][0] = mx<<shift;
1112  s->p_mv_table[xy][1] = my<<shift;
1113 
1114  return dmin;
1115 }
1116 
1117 static int estimate_motion_b(MpegEncContext *s, int mb_x, int mb_y,
1118  int16_t (*mv_table)[2], int ref_index, int f_code)
1119 {
1120  MotionEstContext * const c= &s->me;
1121  int mx, my, dmin;
1122  int P[10][2];
1123  const int shift= 1+s->quarter_sample;
1124  const int mot_stride = s->mb_stride;
1125  const int mot_xy = mb_y*mot_stride + mb_x;
1126  uint8_t * const mv_penalty= c->mv_penalty[f_code] + MAX_MV;
1127  int mv_scale;
1128 
1133 
1134  get_limits(s, 16*mb_x, 16*mb_y);
1135 
1136  switch(s->me_method) {
1137  case ME_ZERO:
1138  default:
1139  mx = 0;
1140  my = 0;
1141  dmin = 0;
1142  break;
1143  case ME_X1:
1144  case ME_EPZS:
1145  P_LEFT[0] = mv_table[mot_xy - 1][0];
1146  P_LEFT[1] = mv_table[mot_xy - 1][1];
1147 
1148  if (P_LEFT[0] > (c->xmax << shift)) P_LEFT[0] = (c->xmax << shift);
1149 
1150  /* special case for first line */
1151  if (!s->first_slice_line) {
1152  P_TOP[0] = mv_table[mot_xy - mot_stride ][0];
1153  P_TOP[1] = mv_table[mot_xy - mot_stride ][1];
1154  P_TOPRIGHT[0] = mv_table[mot_xy - mot_stride + 1][0];
1155  P_TOPRIGHT[1] = mv_table[mot_xy - mot_stride + 1][1];
1156  if (P_TOP[1] > (c->ymax << shift)) P_TOP[1] = (c->ymax << shift);
1157  if (P_TOPRIGHT[0] < (c->xmin << shift)) P_TOPRIGHT[0] = (c->xmin << shift);
1158  if (P_TOPRIGHT[1] > (c->ymax << shift)) P_TOPRIGHT[1] = (c->ymax << shift);
1159 
1160  P_MEDIAN[0] = mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1161  P_MEDIAN[1] = mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1162  }
1163  c->pred_x = P_LEFT[0];
1164  c->pred_y = P_LEFT[1];
1165 
1166  if(mv_table == s->b_forw_mv_table){
1167  mv_scale= (s->pb_time<<16) / (s->pp_time<<shift);
1168  }else{
1169  mv_scale= ((s->pb_time - s->pp_time)<<16) / (s->pp_time<<shift);
1170  }
1171 
1172  dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, ref_index, s->p_mv_table, mv_scale, 0, 16);
1173 
1174  break;
1175  }
1176 
1177  dmin= c->sub_motion_search(s, &mx, &my, dmin, 0, ref_index, 0, 16);
1178 
1179  if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip)
1180  dmin= get_mb_score(s, mx, my, 0, ref_index, 0, 16, 1);
1181 
1182 // s->mb_type[mb_y*s->mb_width + mb_x]= mb_type;
1183  mv_table[mot_xy][0]= mx;
1184  mv_table[mot_xy][1]= my;
1185 
1186  return dmin;
1187 }
1188 
1189 static inline int check_bidir_mv(MpegEncContext * s,
1190  int motion_fx, int motion_fy,
1191  int motion_bx, int motion_by,
1192  int pred_fx, int pred_fy,
1193  int pred_bx, int pred_by,
1194  int size, int h)
1195 {
1196  //FIXME optimize?
1197  //FIXME better f_code prediction (max mv & distance)
1198  //FIXME pointers
1199  MotionEstContext * const c= &s->me;
1200  uint8_t * const mv_penalty_f= c->mv_penalty[s->f_code] + MAX_MV; // f_code of the prev frame
1201  uint8_t * const mv_penalty_b= c->mv_penalty[s->b_code] + MAX_MV; // f_code of the prev frame
1202  int stride= c->stride;
1203  uint8_t *dest_y = c->scratchpad;
1204  uint8_t *ptr;
1205  int dxy;
1206  int src_x, src_y;
1207  int fbmin;
1208  uint8_t **src_data= c->src[0];
1209  uint8_t **ref_data= c->ref[0];
1210  uint8_t **ref2_data= c->ref[2];
1211 
1212  if(s->quarter_sample){
1213  dxy = ((motion_fy & 3) << 2) | (motion_fx & 3);
1214  src_x = motion_fx >> 2;
1215  src_y = motion_fy >> 2;
1216 
1217  ptr = ref_data[0] + (src_y * stride) + src_x;
1218  s->qdsp.put_qpel_pixels_tab[0][dxy](dest_y, ptr, stride);
1219 
1220  dxy = ((motion_by & 3) << 2) | (motion_bx & 3);
1221  src_x = motion_bx >> 2;
1222  src_y = motion_by >> 2;
1223 
1224  ptr = ref2_data[0] + (src_y * stride) + src_x;
1225  s->qdsp.avg_qpel_pixels_tab[size][dxy](dest_y, ptr, stride);
1226  }else{
1227  dxy = ((motion_fy & 1) << 1) | (motion_fx & 1);
1228  src_x = motion_fx >> 1;
1229  src_y = motion_fy >> 1;
1230 
1231  ptr = ref_data[0] + (src_y * stride) + src_x;
1232  s->hdsp.put_pixels_tab[size][dxy](dest_y , ptr , stride, h);
1233 
1234  dxy = ((motion_by & 1) << 1) | (motion_bx & 1);
1235  src_x = motion_bx >> 1;
1236  src_y = motion_by >> 1;
1237 
1238  ptr = ref2_data[0] + (src_y * stride) + src_x;
1239  s->hdsp.avg_pixels_tab[size][dxy](dest_y , ptr , stride, h);
1240  }
1241 
1242  fbmin = (mv_penalty_f[motion_fx-pred_fx] + mv_penalty_f[motion_fy-pred_fy])*c->mb_penalty_factor
1243  +(mv_penalty_b[motion_bx-pred_bx] + mv_penalty_b[motion_by-pred_by])*c->mb_penalty_factor
1244  + s->mecc.mb_cmp[size](s, src_data[0], dest_y, stride, h); // FIXME new_pic
1245 
1246  if(c->avctx->mb_cmp&FF_CMP_CHROMA){
1247  }
1248  //FIXME CHROMA !!!
1249 
1250  return fbmin;
1251 }
1252 
1253 /* refine the bidir vectors in hq mode and return the score in both lq & hq mode*/
1254 static inline int bidir_refine(MpegEncContext * s, int mb_x, int mb_y)
1255 {
1256  MotionEstContext * const c= &s->me;
1257  const int mot_stride = s->mb_stride;
1258  const int xy = mb_y *mot_stride + mb_x;
1259  int fbmin;
1260  int pred_fx= s->b_bidir_forw_mv_table[xy-1][0];
1261  int pred_fy= s->b_bidir_forw_mv_table[xy-1][1];
1262  int pred_bx= s->b_bidir_back_mv_table[xy-1][0];
1263  int pred_by= s->b_bidir_back_mv_table[xy-1][1];
1264  int motion_fx= s->b_bidir_forw_mv_table[xy][0]= s->b_forw_mv_table[xy][0];
1265  int motion_fy= s->b_bidir_forw_mv_table[xy][1]= s->b_forw_mv_table[xy][1];
1266  int motion_bx= s->b_bidir_back_mv_table[xy][0]= s->b_back_mv_table[xy][0];
1267  int motion_by= s->b_bidir_back_mv_table[xy][1]= s->b_back_mv_table[xy][1];
1268  const int flags= c->sub_flags;
1269  const int qpel= flags&FLAG_QPEL;
1270  const int shift= 1+qpel;
1271  const int xmin= c->xmin<<shift;
1272  const int ymin= c->ymin<<shift;
1273  const int xmax= c->xmax<<shift;
1274  const int ymax= c->ymax<<shift;
1275 #define HASH(fx,fy,bx,by) ((fx)+17*(fy)+63*(bx)+117*(by))
1276 #define HASH8(fx,fy,bx,by) ((uint8_t)HASH(fx,fy,bx,by))
1277  int hashidx= HASH(motion_fx,motion_fy, motion_bx, motion_by);
1278  uint8_t map[256] = { 0 };
1279 
1280  map[hashidx&255] = 1;
1281 
1282  fbmin= check_bidir_mv(s, motion_fx, motion_fy,
1283  motion_bx, motion_by,
1284  pred_fx, pred_fy,
1285  pred_bx, pred_by,
1286  0, 16);
1287 
1288  if(s->avctx->bidir_refine){
1289  int end;
1290  static const uint8_t limittab[5]={0,8,32,64,80};
1291  const int limit= limittab[s->avctx->bidir_refine];
1292  static const int8_t vect[][4]={
1293 { 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},
1294 
1295 { 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},
1296 { 0, 1, 0, 1}, { 0,-1, 0,-1}, { 1, 0, 1, 0}, {-1, 0,-1, 0},
1297 { 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},
1298 { 0,-1, 0, 1}, { 0, 1, 0,-1}, {-1, 0, 1, 0}, { 1, 0,-1, 0},
1299 
1300 { 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},
1301 { 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},
1302 { 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},
1303 { 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},
1304 
1305 { 1, 1, 1, 1}, {-1,-1,-1,-1},
1306 { 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},
1307 { 1, 1,-1,-1}, {-1,-1, 1, 1}, { 1,-1,-1, 1}, {-1, 1, 1,-1}, { 1,-1, 1,-1}, {-1, 1,-1, 1},
1308  };
1309  static const uint8_t hash[]={
1310 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),
1311 
1312 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),
1313 HASH8( 0, 1, 0, 1), HASH8( 0,-1, 0,-1), HASH8( 1, 0, 1, 0), HASH8(-1, 0,-1, 0),
1314 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),
1315 HASH8( 0,-1, 0, 1), HASH8( 0, 1, 0,-1), HASH8(-1, 0, 1, 0), HASH8( 1, 0,-1, 0),
1316 
1317 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),
1318 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),
1319 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),
1320 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),
1321 
1322 HASH8( 1, 1, 1, 1), HASH8(-1,-1,-1,-1),
1323 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),
1324 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),
1325 };
1326 
1327 #define CHECK_BIDIR(fx,fy,bx,by)\
1328  if( !map[(hashidx+HASH(fx,fy,bx,by))&255]\
1329  &&(fx<=0 || motion_fx+fx<=xmax) && (fy<=0 || motion_fy+fy<=ymax) && (bx<=0 || motion_bx+bx<=xmax) && (by<=0 || motion_by+by<=ymax)\
1330  &&(fx>=0 || motion_fx+fx>=xmin) && (fy>=0 || motion_fy+fy>=ymin) && (bx>=0 || motion_bx+bx>=xmin) && (by>=0 || motion_by+by>=ymin)){\
1331  int score;\
1332  map[(hashidx+HASH(fx,fy,bx,by))&255] = 1;\
1333  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);\
1334  if(score < fbmin){\
1335  hashidx += HASH(fx,fy,bx,by);\
1336  fbmin= score;\
1337  motion_fx+=fx;\
1338  motion_fy+=fy;\
1339  motion_bx+=bx;\
1340  motion_by+=by;\
1341  end=0;\
1342  }\
1343  }
1344 #define CHECK_BIDIR2(a,b,c,d)\
1345 CHECK_BIDIR(a,b,c,d)\
1346 CHECK_BIDIR(-(a),-(b),-(c),-(d))
1347 
1348  do{
1349  int i;
1350  int borderdist=0;
1351  end=1;
1352 
1353  CHECK_BIDIR2(0,0,0,1)
1354  CHECK_BIDIR2(0,0,1,0)
1355  CHECK_BIDIR2(0,1,0,0)
1356  CHECK_BIDIR2(1,0,0,0)
1357 
1358  for(i=8; i<limit; i++){
1359  int fx= motion_fx+vect[i][0];
1360  int fy= motion_fy+vect[i][1];
1361  int bx= motion_bx+vect[i][2];
1362  int by= motion_by+vect[i][3];
1363  if(borderdist<=0){
1364  int a= (xmax - FFMAX(fx,bx))|(FFMIN(fx,bx) - xmin);
1365  int b= (ymax - FFMAX(fy,by))|(FFMIN(fy,by) - ymin);
1366  if((a|b) < 0)
1367  map[(hashidx+hash[i])&255] = 1;
1368  }
1369  if(!map[(hashidx+hash[i])&255]){
1370  int score;
1371  map[(hashidx+hash[i])&255] = 1;
1372  score= check_bidir_mv(s, fx, fy, bx, by, pred_fx, pred_fy, pred_bx, pred_by, 0, 16);
1373  if(score < fbmin){
1374  hashidx += hash[i];
1375  fbmin= score;
1376  motion_fx=fx;
1377  motion_fy=fy;
1378  motion_bx=bx;
1379  motion_by=by;
1380  end=0;
1381  borderdist--;
1382  if(borderdist<=0){
1383  int a= FFMIN(xmax - FFMAX(fx,bx), FFMIN(fx,bx) - xmin);
1384  int b= FFMIN(ymax - FFMAX(fy,by), FFMIN(fy,by) - ymin);
1385  borderdist= FFMIN(a,b);
1386  }
1387  }
1388  }
1389  }
1390  }while(!end);
1391  }
1392 
1393  s->b_bidir_forw_mv_table[xy][0]= motion_fx;
1394  s->b_bidir_forw_mv_table[xy][1]= motion_fy;
1395  s->b_bidir_back_mv_table[xy][0]= motion_bx;
1396  s->b_bidir_back_mv_table[xy][1]= motion_by;
1397 
1398  return fbmin;
1399 }
1400 
1401 static inline int direct_search(MpegEncContext * s, int mb_x, int mb_y)
1402 {
1403  MotionEstContext * const c= &s->me;
1404  int P[10][2];
1405  const int mot_stride = s->mb_stride;
1406  const int mot_xy = mb_y*mot_stride + mb_x;
1407  const int shift= 1+s->quarter_sample;
1408  int dmin, i;
1409  const int time_pp= s->pp_time;
1410  const int time_pb= s->pb_time;
1411  int mx, my, xmin, xmax, ymin, ymax;
1412  int16_t (*mv_table)[2]= s->b_direct_mv_table;
1413 
1414  c->current_mv_penalty= c->mv_penalty[1] + MAX_MV;
1415  ymin= xmin=(-32)>>shift;
1416  ymax= xmax= 31>>shift;
1417 
1418  if (IS_8X8(s->next_picture.mb_type[mot_xy])) {
1419  s->mv_type= MV_TYPE_8X8;
1420  }else{
1421  s->mv_type= MV_TYPE_16X16;
1422  }
1423 
1424  for(i=0; i<4; i++){
1425  int index= s->block_index[i];
1426  int min, max;
1427 
1428  c->co_located_mv[i][0] = s->next_picture.motion_val[0][index][0];
1429  c->co_located_mv[i][1] = s->next_picture.motion_val[0][index][1];
1430  c->direct_basis_mv[i][0]= c->co_located_mv[i][0]*time_pb/time_pp + ((i& 1)<<(shift+3));
1431  c->direct_basis_mv[i][1]= c->co_located_mv[i][1]*time_pb/time_pp + ((i>>1)<<(shift+3));
1432 // c->direct_basis_mv[1][i][0]= c->co_located_mv[i][0]*(time_pb - time_pp)/time_pp + ((i &1)<<(shift+3);
1433 // c->direct_basis_mv[1][i][1]= c->co_located_mv[i][1]*(time_pb - time_pp)/time_pp + ((i>>1)<<(shift+3);
1434 
1435  max= FFMAX(c->direct_basis_mv[i][0], c->direct_basis_mv[i][0] - c->co_located_mv[i][0])>>shift;
1436  min= FFMIN(c->direct_basis_mv[i][0], c->direct_basis_mv[i][0] - c->co_located_mv[i][0])>>shift;
1437  max+= 16*mb_x + 1; // +-1 is for the simpler rounding
1438  min+= 16*mb_x - 1;
1439  xmax= FFMIN(xmax, s->width - max);
1440  xmin= FFMAX(xmin, - 16 - min);
1441 
1442  max= FFMAX(c->direct_basis_mv[i][1], c->direct_basis_mv[i][1] - c->co_located_mv[i][1])>>shift;
1443  min= FFMIN(c->direct_basis_mv[i][1], c->direct_basis_mv[i][1] - c->co_located_mv[i][1])>>shift;
1444  max+= 16*mb_y + 1; // +-1 is for the simpler rounding
1445  min+= 16*mb_y - 1;
1446  ymax= FFMIN(ymax, s->height - max);
1447  ymin= FFMAX(ymin, - 16 - min);
1448 
1449  if(s->mv_type == MV_TYPE_16X16) break;
1450  }
1451 
1452  assert(xmax <= 15 && ymax <= 15 && xmin >= -16 && ymin >= -16);
1453 
1454  if(xmax < 0 || xmin >0 || ymax < 0 || ymin > 0){
1455  s->b_direct_mv_table[mot_xy][0]= 0;
1456  s->b_direct_mv_table[mot_xy][1]= 0;
1457 
1458  return 256*256*256*64;
1459  }
1460 
1461  c->xmin= xmin;
1462  c->ymin= ymin;
1463  c->xmax= xmax;
1464  c->ymax= ymax;
1465  c->flags |= FLAG_DIRECT;
1466  c->sub_flags |= FLAG_DIRECT;
1467  c->pred_x=0;
1468  c->pred_y=0;
1469 
1470  P_LEFT[0] = av_clip(mv_table[mot_xy - 1][0], xmin<<shift, xmax<<shift);
1471  P_LEFT[1] = av_clip(mv_table[mot_xy - 1][1], ymin<<shift, ymax<<shift);
1472 
1473  /* special case for first line */
1474  if (!s->first_slice_line) { //FIXME maybe allow this over thread boundary as it is clipped
1475  P_TOP[0] = av_clip(mv_table[mot_xy - mot_stride ][0], xmin<<shift, xmax<<shift);
1476  P_TOP[1] = av_clip(mv_table[mot_xy - mot_stride ][1], ymin<<shift, ymax<<shift);
1477  P_TOPRIGHT[0] = av_clip(mv_table[mot_xy - mot_stride + 1 ][0], xmin<<shift, xmax<<shift);
1478  P_TOPRIGHT[1] = av_clip(mv_table[mot_xy - mot_stride + 1 ][1], ymin<<shift, ymax<<shift);
1479 
1480  P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1481  P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1482  }
1483 
1484  dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, 0, mv_table, 1<<(16-shift), 0, 16);
1485  if(c->sub_flags&FLAG_QPEL)
1486  dmin = qpel_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
1487  else
1488  dmin = hpel_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
1489 
1490  if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip)
1491  dmin= get_mb_score(s, mx, my, 0, 0, 0, 16, 1);
1492 
1493  get_limits(s, 16*mb_x, 16*mb_y); //restore c->?min/max, maybe not needed
1494 
1495  mv_table[mot_xy][0]= mx;
1496  mv_table[mot_xy][1]= my;
1497  c->flags &= ~FLAG_DIRECT;
1498  c->sub_flags &= ~FLAG_DIRECT;
1499 
1500  return dmin;
1501 }
1502 
1504  int mb_x, int mb_y)
1505 {
1506  MotionEstContext * const c= &s->me;
1507  const int penalty_factor= c->mb_penalty_factor;
1508  int fmin, bmin, dmin, fbmin, bimin, fimin;
1509  int type=0;
1510  const int xy = mb_y*s->mb_stride + mb_x;
1512  s->next_picture.f->data, 16 * mb_x, 16 * mb_y, 2);
1513 
1514  get_limits(s, 16*mb_x, 16*mb_y);
1515 
1516  c->skip=0;
1517 
1518  if (s->codec_id == AV_CODEC_ID_MPEG4 && s->next_picture.mbskip_table[xy]) {
1519  int score= direct_search(s, mb_x, mb_y); //FIXME just check 0,0
1520 
1521  score= ((unsigned)(score*score + 128*256))>>16;
1522  c->mc_mb_var_sum_temp += score;
1523  s->current_picture.mc_mb_var[mb_y*s->mb_stride + mb_x] = score; //FIXME use SSE
1524  s->mb_type[mb_y*s->mb_stride + mb_x]= CANDIDATE_MB_TYPE_DIRECT0;
1525 
1526  return;
1527  }
1528 
1529  if (s->codec_id == AV_CODEC_ID_MPEG4)
1530  dmin= direct_search(s, mb_x, mb_y);
1531  else
1532  dmin= INT_MAX;
1533 //FIXME penalty stuff for non mpeg4
1534  c->skip=0;
1535  fmin = estimate_motion_b(s, mb_x, mb_y, s->b_forw_mv_table, 0, s->f_code) +
1536  3 * penalty_factor;
1537 
1538  c->skip=0;
1539  bmin = estimate_motion_b(s, mb_x, mb_y, s->b_back_mv_table, 2, s->b_code) +
1540  2 * penalty_factor;
1541  av_dlog(s, " %d %d ", s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1]);
1542 
1543  c->skip=0;
1544  fbmin= bidir_refine(s, mb_x, mb_y) + penalty_factor;
1545  av_dlog(s, "%d %d %d %d\n", dmin, fmin, bmin, fbmin);
1546 
1548 //FIXME mb type penalty
1549  c->skip=0;
1551  fimin= interlaced_search(s, 0,
1553  s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1], 0);
1555  bimin= interlaced_search(s, 2,
1557  s->b_back_mv_table[xy][0], s->b_back_mv_table[xy][1], 0);
1558  }else
1559  fimin= bimin= INT_MAX;
1560 
1561  {
1562  int score= fmin;
1564 
1565  if (dmin <= score){
1566  score = dmin;
1567  type = CANDIDATE_MB_TYPE_DIRECT;
1568  }
1569  if(bmin<score){
1570  score=bmin;
1572  }
1573  if(fbmin<score){
1574  score=fbmin;
1576  }
1577  if(fimin<score){
1578  score=fimin;
1580  }
1581  if(bimin<score){
1582  score=bimin;
1584  }
1585 
1586  score= ((unsigned)(score*score + 128*256))>>16;
1587  c->mc_mb_var_sum_temp += score;
1588  s->current_picture.mc_mb_var[mb_y*s->mb_stride + mb_x] = score; //FIXME use SSE
1589  }
1590 
1593  if(fimin < INT_MAX)
1595  if(bimin < INT_MAX)
1597  if(fimin < INT_MAX && bimin < INT_MAX){
1598  type |= CANDIDATE_MB_TYPE_BIDIR_I;
1599  }
1600  //FIXME something smarter
1601  if(dmin>256*256*16) type&= ~CANDIDATE_MB_TYPE_DIRECT; //do not try direct mode if it is invalid for this MB
1603  s->mpv_flags & FF_MPV_FLAG_MV0 && *(uint32_t*)s->b_direct_mv_table[xy])
1604  type |= CANDIDATE_MB_TYPE_DIRECT0;
1605  }
1606 
1607  s->mb_type[mb_y*s->mb_stride + mb_x]= type;
1608 }
1609 
1610 /* find best f_code for ME which do unlimited searches */
1611 int ff_get_best_fcode(MpegEncContext * s, int16_t (*mv_table)[2], int type)
1612 {
1613  if(s->me_method>=ME_EPZS){
1614  int score[8];
1615  int i, y, range= s->avctx->me_range ? s->avctx->me_range : (INT_MAX/2);
1616  uint8_t * fcode_tab= s->fcode_tab;
1617  int best_fcode=-1;
1618  int best_score=-10000000;
1619 
1620  if(s->msmpeg4_version)
1621  range= FFMIN(range, 16);
1623  range= FFMIN(range, 256);
1624 
1625  for(i=0; i<8; i++) score[i]= s->mb_num*(8-i);
1626 
1627  for(y=0; y<s->mb_height; y++){
1628  int x;
1629  int xy= y*s->mb_stride;
1630  for(x=0; x<s->mb_width; x++){
1631  if(s->mb_type[xy] & type){
1632  int mx= mv_table[xy][0];
1633  int my= mv_table[xy][1];
1634  int fcode= FFMAX(fcode_tab[mx + MAX_MV],
1635  fcode_tab[my + MAX_MV]);
1636  int j;
1637 
1638  if(mx >= range || mx < -range ||
1639  my >= range || my < -range)
1640  continue;
1641 
1642  for(j=0; j<fcode && j<8; j++){
1644  score[j]-= 170;
1645  }
1646  }
1647  xy++;
1648  }
1649  }
1650 
1651  for(i=1; i<8; i++){
1652  if(score[i] > best_score){
1653  best_score= score[i];
1654  best_fcode= i;
1655  }
1656  }
1657 
1658  return best_fcode;
1659  }else{
1660  return 1;
1661  }
1662 }
1663 
1665 {
1666  MotionEstContext * const c= &s->me;
1667  const int f_code= s->f_code;
1668  int y, range;
1669  assert(s->pict_type==AV_PICTURE_TYPE_P);
1670 
1671  range = (((s->out_format == FMT_MPEG1 || s->msmpeg4_version) ? 8 : 16) << f_code);
1672 
1673  assert(range <= 16 || !s->msmpeg4_version);
1674  assert(range <=256 || !(s->codec_id == AV_CODEC_ID_MPEG2VIDEO && s->avctx->strict_std_compliance >= FF_COMPLIANCE_NORMAL));
1675 
1676  if(c->avctx->me_range && range > c->avctx->me_range) range= c->avctx->me_range;
1677 
1678  if(s->flags&CODEC_FLAG_4MV){
1679  const int wrap= s->b8_stride;
1680 
1681  /* clip / convert to intra 8x8 type MVs */
1682  for(y=0; y<s->mb_height; y++){
1683  int xy= y*2*wrap;
1684  int i= y*s->mb_stride;
1685  int x;
1686 
1687  for(x=0; x<s->mb_width; x++){
1689  int block;
1690  for(block=0; block<4; block++){
1691  int off= (block& 1) + (block>>1)*wrap;
1692  int mx = s->current_picture.motion_val[0][ xy + off ][0];
1693  int my = s->current_picture.motion_val[0][ xy + off ][1];
1694 
1695  if( mx >=range || mx <-range
1696  || my >=range || my <-range){
1697  s->mb_type[i] &= ~CANDIDATE_MB_TYPE_INTER4V;
1700  }
1701  }
1702  }
1703  xy+=2;
1704  i++;
1705  }
1706  }
1707  }
1708 }
1709 
1714 void ff_fix_long_mvs(MpegEncContext * s, uint8_t *field_select_table, int field_select,
1715  int16_t (*mv_table)[2], int f_code, int type, int truncate)
1716 {
1717  MotionEstContext * const c= &s->me;
1718  int y, h_range, v_range;
1719 
1720  // RAL: 8 in MPEG-1, 16 in MPEG-4
1721  int range = (((s->out_format == FMT_MPEG1 || s->msmpeg4_version) ? 8 : 16) << f_code);
1722 
1723  if(c->avctx->me_range && range > c->avctx->me_range) range= c->avctx->me_range;
1724 
1725  h_range= range;
1726  v_range= field_select_table ? range>>1 : range;
1727 
1728  /* clip / convert to intra 16x16 type MVs */
1729  for(y=0; y<s->mb_height; y++){
1730  int x;
1731  int xy= y*s->mb_stride;
1732  for(x=0; x<s->mb_width; x++){
1733  if (s->mb_type[xy] & type){ // RAL: "type" test added...
1734  if (!field_select_table || field_select_table[xy] == field_select) {
1735  if( mv_table[xy][0] >=h_range || mv_table[xy][0] <-h_range
1736  || mv_table[xy][1] >=v_range || mv_table[xy][1] <-v_range){
1737 
1738  if(truncate){
1739  if (mv_table[xy][0] > h_range-1) mv_table[xy][0]= h_range-1;
1740  else if(mv_table[xy][0] < -h_range ) mv_table[xy][0]= -h_range;
1741  if (mv_table[xy][1] > v_range-1) mv_table[xy][1]= v_range-1;
1742  else if(mv_table[xy][1] < -v_range ) mv_table[xy][1]= -v_range;
1743  }else{
1744  s->mb_type[xy] &= ~type;
1745  s->mb_type[xy] |= CANDIDATE_MB_TYPE_INTRA;
1746  mv_table[xy][0]=
1747  mv_table[xy][1]= 0;
1748  }
1749  }
1750  }
1751  }
1752  xy++;
1753  }
1754  }
1755 }
#define FFMAX(a, b)
Definition: common.h:55
uint8_t * scratchpad
data area for the ME algo, so that the ME does not need to malloc/free
Definition: mpegvideo.h:153
static int minima_cmp(const void *a, const void *b)
Definition: motion_est.c:73
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:280
static unsigned update_map_generation(MotionEstContext *c)
Definition: motion_est.c:56
void ff_estimate_b_frame_motion(MpegEncContext *s, int mb_x, int mb_y)
Definition: motion_est.c:1503
qpel_mc_func avg_qpel_pixels_tab[2][16]
Definition: qpeldsp.h:74
#define FF_CMP_NSSE
Definition: avcodec.h:1465
#define CANDIDATE_MB_TYPE_SKIPPED
Definition: mpegutils.h:103
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:44
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:1189
int skip
set if ME is skipped for the current MB
Definition: mpegvideo.h:150
int16_t(* p_mv_table)[2]
MV table (1MV per MB) p-frame encoding.
Definition: mpegvideo.h:372
static void get_limits(MpegEncContext *s, int x, int y)
get fullpel ME search limits.
Definition: motion_est.c:521
uint8_t * fcode_tab
smallest fcode needed for each MV
Definition: mpegvideo.h:401
void ff_estimate_p_frame_motion(MpegEncContext *s, int mb_x, int mb_y)
Definition: motion_est.c:859
uint8_t * mb_mean
Table for MB luminance.
Definition: mpegvideo.h:125
#define av_always_inline
Definition: attributes.h:40
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:554
qpel_mc_func put_no_rnd_qpel_pixels_tab[2][16]
Definition: qpeldsp.h:75
#define CANDIDATE_MB_TYPE_INTER_I
Definition: mpegutils.h:110
#define P_LEFT
Definition: motion_est.c:42
uint16_t * mb_var
Table for MB variances.
Definition: mpegvideo.h:119
uint8_t * current_mv_penalty
Definition: mpegvideo.h:194
static int hash(int head, const int add)
Hash function adding character.
Definition: lzwenc.c:75
#define FF_CMP_BIT
Definition: avcodec.h:1460
int msmpeg4_version
0=not msmpeg4, 1=mp41, 2=mp42, 3=mp43/divx3 4=wmv1/7 5=wmv2/8
Definition: mpegvideo.h:548
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: mpegvideo.h:195
#define CANDIDATE_MB_TYPE_BIDIR
Definition: mpegutils.h:108
enum AVCodecID codec_id
Definition: mpegvideo.h:235
enhanced predictive zonal search
Definition: avcodec.h:550
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:226
#define av_builtin_constant_p(x)
Definition: attributes.h:116
int sub_penalty_factor
Definition: mpegvideo.h:167
void av_log(void *avcl, int level, const char *fmt,...) av_printf_format(3
Send the specified message to the log if the level is less than or equal to the current av_log_level...
int16_t(*[2][2] p_field_mv_table)[2]
MV table (2MV per MB) interlaced p-frame encoding.
Definition: mpegvideo.h:378
static int bidir_refine(MpegEncContext *s, int mb_x, int mb_y)
Definition: motion_est.c:1254
mpegvideo header.
int pre_penalty_factor
Definition: mpegvideo.h:161
av_dlog(ac->avr,"%d samples - audio_convert: %s to %s (%s)\n", 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)
int scene_change_score
Definition: mpegvideo.h:187
int mpv_flags
flags set by private options
Definition: mpegvideo.h:628
int mb_num
number of MBs of a picture
Definition: mpegvideo.h:259
#define FF_LAMBDA_SHIFT
Definition: avutil.h:205
QpelDSPContext qdsp
Definition: mpegvideo.h:359
int stride
Definition: mace.c:144
me_cmp_func me_pre_cmp[6]
Definition: me_cmp.h:54
int qscale
QP.
Definition: mpegvideo.h:332
int16_t(* b_back_mv_table)[2]
MV table (1MV per MB) backward mode b-frame encoding.
Definition: mpegvideo.h:374
#define P_MV1
Definition: motion_est.c:46
int(* me_cmp_func)(struct MpegEncContext *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)
Definition: me_cmp.h:34
uint8_t * ref[4][4]
Definition: mpegvideo.h:181
#define CODEC_FLAG_QPEL
Use qpel MC.
Definition: avcodec.h:614
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:242
#define CANDIDATE_MB_TYPE_INTER
Definition: mpegutils.h:101
int y
Definition: motion_est.c:69
op_pixels_func(* hpel_put)[4]
Definition: mpegvideo.h:189
uint8_t
me_cmp_func mb_cmp[6]
Definition: me_cmp.h:57
#define CANDIDATE_MB_TYPE_INTER4V
Definition: mpegutils.h:102
enum OutputFormat out_format
output format
Definition: mpegvideo.h:227
int me_range
maximum motion estimation search range in subpel units If 0 then no limit.
Definition: avcodec.h:1539
#define CANDIDATE_MB_TYPE_FORWARD_I
Definition: mpegutils.h:111
#define FLAG_DIRECT
Definition: motion_est.c:82
#define b
Definition: input.c:52
int pre_dia_size
ME prepass diamond size & shape.
Definition: avcodec.h:1503
Motion estimation context.
Definition: mpegvideo.h:148
qpel_mc_func(* qpel_put)[16]
Definition: mpegvideo.h:191
int no_rounding
apply no rounding to motion compensation (MPEG4, msmpeg4, ...) for b-frames rounding mode is always 0...
Definition: mpegvideo.h:406
#define CANDIDATE_MB_TYPE_BACKWARD_I
Definition: mpegutils.h:112
int me_cmp
motion estimation comparison function
Definition: avcodec.h:1436
Picture current_picture
copy of the current picture structure.
Definition: mpegvideo.h:306
int16_t(* b_bidir_forw_mv_table)[2]
MV table (1MV per MB) bidir mode b-frame encoding.
Definition: mpegvideo.h:375
uint8_t(* mv_penalty)[MAX_MV *2+1]
amount of bits needed to encode a MV
Definition: mpegvideo.h:193
static int zero_cmp(MpegEncContext *s, uint8_t *a, uint8_t *b, int stride, int h)
Definition: motion_est.c:292
static int get_flags(MotionEstContext *c, int direct, int chroma)
Definition: motion_est.c:102
static int flags
Definition: log.c:44
uint16_t pp_time
time distance between the last 2 p,s,i frames
Definition: mpegvideo.h:505
op_pixels_func(* hpel_avg)[4]
Definition: mpegvideo.h:190
int ff_epzs_motion_search(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)
int mb_height
number of MBs horizontally & vertically
Definition: mpegvideo.h:255
#define FF_CMP_DCT
Definition: avcodec.h:1458
#define CHECK_BIDIR2(a, b, c, d)
#define r
Definition: input.c:51
#define FF_MPV_FLAG_MV0
Definition: mpegvideo.h:657
no search, that is use 0,0 vector whenever one is needed
Definition: avcodec.h:546
reserved for experiments
Definition: avcodec.h:551
#define FF_COMPLIANCE_NORMAL
Definition: avcodec.h:2344
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:123
uint8_t * mbskip_table
Definition: mpegvideo.h:113
int height
Definition: motion_est.c:68
#define FF_CMP_SATD
Definition: avcodec.h:1457
static int ff_h263_round_chroma(int x)
Definition: mpegvideo.h:779
#define CODEC_FLAG_INTERLACED_ME
interlaced motion estimation
Definition: avcodec.h:662
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:1442
static uint8_t fcode_tab[MAX_MV *2+1]
Minimal fcode that a motion vector component would need.
Definition: ituh263enc.c:51
int unrestricted_mv
mv can point outside of the coded picture
Definition: mpegvideo.h:348
static int get_penalty_factor(int lambda, int lambda2, int type)
Definition: motion_est.c:839
#define P_MEDIAN
Definition: motion_est.c:45
int flags
CODEC_FLAG_*.
Definition: avcodec.h:1144
#define wrap(func)
Definition: neontest.h:62
static void init_interlaced_ref(MpegEncContext *s, int ref_index)
Definition: motion_est.c:704
MpegvideoEncDSPContext mpvencdsp
Definition: mpegvideo.h:357
int quarter_sample
1->qpel, 0->half pel ME/MC
Definition: mpegvideo.h:514
uint16_t * mb_type
Table for candidate MB types for encoding (defines in mpegutils.h)
Definition: mpegvideo.h:413
qpel_mc_func put_qpel_pixels_tab[2][16]
Definition: qpeldsp.h:73
uint8_t *[2][2] b_field_select_table
Definition: mpegvideo.h:381
Libavcodec external API header.
#define FF_CMP_PSNR
Definition: avcodec.h:1459
int(* pix_norm1)(uint8_t *pix, int line_size)
int(* pix_sum)(uint8_t *pix, int line_size)
int checked
Definition: motion_est.c:70
#define FF_CMP_DCT264
Definition: avcodec.h:1467
uint8_t * src[4][4]
Definition: mpegvideo.h:180
#define FLAG_CHROMA
Definition: motion_est.c:81
Motion estimation template.
#define FLAG_QPEL
Definition: motion_est.c:80
#define ME_MAP_SHIFT
Definition: motion_est.c:48
int me_method
ME algorithm.
Definition: mpegvideo.h:382
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:232
Picture new_picture
copy of the source picture structure for encoding.
Definition: mpegvideo.h:300
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 P_TOP
Definition: motion_est.c:43
int16_t(*[2] motion_val)[2]
Definition: mpegvideo.h:107
Picture.
Definition: mpegvideo.h:99
unsigned map_generation
Definition: mpegvideo.h:160
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:717
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:255
MotionEstContext me
Definition: mpegvideo.h:404
int mb_decision
macroblock decision mode
Definition: avcodec.h:1581
#define ME_MAP_SIZE
Definition: mpegvideo.h:72
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:110
int block_index[6]
index to current MB in block based arrays with edges
Definition: mpegvideo.h:415
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: mpegvideo.h:162
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:1117
#define HASH8(fx, fy, bx, by)
#define MV_TYPE_16X16
1 vector for the whole mb
Definition: mpegvideo.h:388
int first_slice_line
used in mpeg4 too to handle resync markers
Definition: mpegvideo.h:546
NULL
Definition: eval.c:55
uint16_t * mc_mb_var
Table for motion compensated MB variances.
Definition: mpegvideo.h:122
int bidir_refine
Definition: avcodec.h:1686
#define AV_LOG_INFO
Standard information.
Definition: log.h:134
unsigned int lambda2
(lambda*lambda) >> FF_LAMBDA_SHIFT
Definition: mpegvideo.h:335
ptrdiff_t linesize
line size, in bytes, may be different from width
Definition: mpegvideo.h:260
AVCodecContext * avctx
Definition: mpegvideo.h:149
static av_const unsigned int ff_sqrt(unsigned int a)
Definition: mathops.h:202
void ff_set_cmp(MECmpContext *c, me_cmp_func *cmp, int type)
Definition: me_cmp.c:363
#define CHECK_SAD_HALF_MV(suffix, x, y)
Definition: motion_est.c:381
int height
picture size. must be a multiple of 16
Definition: mpegvideo.h:223
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:1401
void ff_fix_long_p_mvs(MpegEncContext *s)
Definition: motion_est.c:1664
int16_t(*[2][2][2] b_field_mv_table)[2]
MV table (4MV per MB) interlaced b-frame encoding.
Definition: mpegvideo.h:379
int index
Definition: gxfenc.c:72
#define CANDIDATE_MB_TYPE_DIRECT
Definition: mpegutils.h:105
struct AVFrame * f
Definition: mpegvideo.h:100
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:108
op_pixels_func put_no_rnd_pixels_tab[2][4]
Halfpel motion compensation with no rounding (a+b)>>1.
Definition: hpeldsp.h:80
#define FF_CMP_SSE
Definition: avcodec.h:1456
#define mid_pred
Definition: mathops.h:98
ptrdiff_t uvlinesize
line size, for chroma in bytes, may be different from width
Definition: mpegvideo.h:261
#define CANDIDATE_MB_TYPE_BIDIR_I
Definition: mpegutils.h:113
#define MAX_MV
Definition: mpegvideo.h:64
int f_code
forward MV resolution
Definition: mpegvideo.h:362
int ff_pre_estimate_p_frame_motion(MpegEncContext *s, int mb_x, int mb_y)
Definition: motion_est.c:1064
#define CANDIDATE_MB_TYPE_DIRECT0
Definition: mpegutils.h:115
#define ME_MAP_MV_BITS
Definition: motion_est.c:49
int pict_type
AV_PICTURE_TYPE_I, AV_PICTURE_TYPE_P, AV_PICTURE_TYPE_B, ...
Definition: mpegvideo.h:339
static void set_p_mv_tables(MpegEncContext *s, int mx, int my, int mv4)
Definition: motion_est.c:494
#define FF_CMP_CHROMA
Definition: avcodec.h:1468
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:388
int16_t(* b_bidir_back_mv_table)[2]
MV table (1MV per MB) bidir mode b-frame encoding.
Definition: mpegvideo.h:376
me_cmp_func me_cmp[6]
Definition: me_cmp.h:55
int ff_init_me(MpegEncContext *s)
Definition: motion_est.c:301
uint8_t *[2] p_field_select_table
Definition: mpegvideo.h:380
int16_t(* b_direct_mv_table)[2]
MV table (1MV per MB) direct mode b-frame encoding.
Definition: mpegvideo.h:377
qpel_mc_func(* qpel_avg)[16]
Definition: mpegvideo.h:192
int mc_mb_var_sum_temp
Definition: mpegvideo.h:185
int16_t(* b_forw_mv_table)[2]
MV table (1MV per MB) forward mode b-frame encoding.
Definition: mpegvideo.h:373
static void zero_hpel(uint8_t *a, const uint8_t *b, ptrdiff_t stride, int h)
Definition: motion_est.c:298
int b8_stride
2*mb_width+1 used for some 8x8 block arrays to allow simple addressing
Definition: mpegvideo.h:257
me_cmp_func sse[6]
Definition: me_cmp.h:42
MpegEncContext.
Definition: mpegvideo.h:204
struct AVCodecContext * avctx
Definition: mpegvideo.h:221
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:46
int mb_cmp
macroblock comparison function (not supported yet)
Definition: avcodec.h:1448
MECmpContext mecc
Definition: mpegvideo.h:355
int direct_basis_mv[4][2]
Definition: mpegvideo.h:152
#define FF_CMP_RD
Definition: avcodec.h:1461
int mb_stride
mb_width+1 used for some arrays to allow simple addressing of left & top MBs without sig11 ...
Definition: mpegvideo.h:256
#define CANDIDATE_MB_TYPE_FORWARD
Definition: mpegutils.h:106
#define FF_MB_DECISION_SIMPLE
uses mb_cmp
Definition: avcodec.h:1582
Picture last_picture
copy of the previous picture structure.
Definition: mpegvideo.h:288
Bi-dir predicted.
Definition: avutil.h:255
int co_located_mv[4][2]
mv from last P-frame for direct mode ME
Definition: mpegvideo.h:151
me_cmp_func me_sub_cmp[6]
Definition: me_cmp.h:56
uint32_t * map
map to avoid duplicate evaluations
Definition: mpegvideo.h:158
static int h263_mv4_search(MpegEncContext *s, int mx, int my, int shift)
Definition: motion_est.c:565
#define CANDIDATE_MB_TYPE_INTRA
Definition: mpegutils.h:100
int dia_size
ME diamond size & shape.
Definition: avcodec.h:1475
#define IS_8X8(a)
Definition: mpegutils.h:85
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:84
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:270
int ff_get_best_fcode(MpegEncContext *s, int16_t(*mv_table)[2], int type)
Definition: motion_est.c:1611
Picture next_picture
copy of the next picture structure.
Definition: mpegvideo.h:294
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:1714
int flags
AVCodecContext.flags (HQ, MV4, ...)
Definition: mpegvideo.h:238
uint32_t * mb_type
types and macros are defined in mpegutils.h
Definition: mpegvideo.h:110
uint8_t * temp
Definition: mpegvideo.h:156
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:180
#define FFABS(a)
Definition: common.h:52
#define CANDIDATE_MB_TYPE_BACKWARD
Definition: mpegutils.h:107
#define MV_TYPE_8X8
4 vectors (h263, mpeg4 4MV)
Definition: mpegvideo.h:389
int b_code
backward MV resolution for B Frames (mpeg4)
Definition: mpegvideo.h:363
#define CODEC_FLAG_4MV
4 MV per MB allowed / advanced prediction for H.263.
Definition: avcodec.h:612
int me_pre_cmp
motion estimation prepass comparison function
Definition: avcodec.h:1496
float min
#define FF_CMP_SAD
Definition: avcodec.h:1455
int x
Definition: motion_est.c:69
int strict_std_compliance
strictly follow the standard (MPEG4, ...).
Definition: avcodec.h:2341
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:141
#define FFMIN(a, b)
Definition: common.h:57
Predicted.
Definition: avutil.h:254
unsigned int lambda
lagrange multipler used in rate distortion
Definition: mpegvideo.h:334
#define HASH(fx, fy, bx, by)
uint16_t pb_time
time distance between the last b and p,s,i frame
Definition: mpegvideo.h:506
HpelDSPContext hdsp
Definition: mpegvideo.h:353
static int16_t block[64]
Definition: dct-test.c:88