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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 FFmpeg.
9  *
10  * FFmpeg 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  * FFmpeg 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 FFmpeg; if not, write to the Free Software
22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23  */
24 
25 /**
26  * @file
27  * Motion estimation.
28  */
29 
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 #define P_LEFT P[1]
42 #define P_TOP P[2]
43 #define P_TOPRIGHT P[3]
44 #define P_MEDIAN P[4]
45 #define P_MV1 P[9]
46 
47 #define ME_MAP_SHIFT 3
48 #define ME_MAP_MV_BITS 11
49 
51  int *mx_ptr, int *my_ptr, int dmin,
52  int src_index, int ref_index,
53  int size, int h);
54 
55 static inline unsigned update_map_generation(MotionEstContext *c)
56 {
57  c->map_generation+= 1<<(ME_MAP_MV_BITS*2);
58  if(c->map_generation==0){
59  c->map_generation= 1<<(ME_MAP_MV_BITS*2);
60  memset(c->map, 0, sizeof(uint32_t)*ME_MAP_SIZE);
61  }
62  return c->map_generation;
63 }
64 
65 /* shape adaptive search stuff */
66 typedef struct Minima{
67  int height;
68  int x, y;
69  int checked;
70 }Minima;
71 
72 static int minima_cmp(const void *a, const void *b){
73  const Minima *da = (const Minima *) a;
74  const Minima *db = (const Minima *) b;
75 
76  return da->height - db->height;
77 }
78 
79 #define FLAG_QPEL 1 //must be 1
80 #define FLAG_CHROMA 2
81 #define FLAG_DIRECT 4
82 
83 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){
84  const int offset[3]= {
85  y*c-> stride + x,
86  ((y*c->uvstride + x)>>1),
87  ((y*c->uvstride + x)>>1),
88  };
89  int i;
90  for(i=0; i<3; i++){
91  c->src[0][i]= src [i] + offset[i];
92  c->ref[0][i]= ref [i] + offset[i];
93  }
94  if(ref_index){
95  for(i=0; i<3; i++){
96  c->ref[ref_index][i]= ref2[i] + offset[i];
97  }
98  }
99 }
100 
101 static int get_flags(MotionEstContext *c, int direct, int chroma){
102  return ((c->avctx->flags&CODEC_FLAG_QPEL) ? FLAG_QPEL : 0)
103  + (direct ? FLAG_DIRECT : 0)
104  + (chroma ? FLAG_CHROMA : 0);
105 }
106 
107 static av_always_inline int cmp_direct_inline(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
108  const int size, const int h, int ref_index, int src_index,
109  me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, int qpel){
110  MotionEstContext * const c= &s->me;
111  const int stride= c->stride;
112  const int hx= subx + (x<<(1+qpel));
113  const int hy= suby + (y<<(1+qpel));
114  uint8_t * const * const ref= c->ref[ref_index];
115  uint8_t * const * const src= c->src[src_index];
116  int d;
117  //FIXME check chroma 4mv, (no crashes ...)
118  av_assert2(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1));
119  if(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1)){
120  const int time_pp= s->pp_time;
121  const int time_pb= s->pb_time;
122  const int mask= 2*qpel+1;
123  if(s->mv_type==MV_TYPE_8X8){
124  int i;
125  for(i=0; i<4; i++){
126  int fx = c->direct_basis_mv[i][0] + hx;
127  int fy = c->direct_basis_mv[i][1] + hy;
128  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));
129  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));
130  int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));
131  int bxy= (bx&mask) + ((by&mask)<<(qpel+1));
132 
133  uint8_t *dst= c->temp + 8*(i&1) + 8*stride*(i>>1);
134  if(qpel){
135  c->qpel_put[1][fxy](dst, ref[0] + (fx>>2) + (fy>>2)*stride, stride);
136  c->qpel_avg[1][bxy](dst, ref[8] + (bx>>2) + (by>>2)*stride, stride);
137  }else{
138  c->hpel_put[1][fxy](dst, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 8);
139  c->hpel_avg[1][bxy](dst, ref[8] + (bx>>1) + (by>>1)*stride, stride, 8);
140  }
141  }
142  }else{
143  int fx = c->direct_basis_mv[0][0] + hx;
144  int fy = c->direct_basis_mv[0][1] + hy;
145  int bx = hx ? fx - c->co_located_mv[0][0] : (c->co_located_mv[0][0]*(time_pb - time_pp)/time_pp);
146  int by = hy ? fy - c->co_located_mv[0][1] : (c->co_located_mv[0][1]*(time_pb - time_pp)/time_pp);
147  int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));
148  int bxy= (bx&mask) + ((by&mask)<<(qpel+1));
149 
150  if(qpel){
151  c->qpel_put[1][fxy](c->temp , ref[0] + (fx>>2) + (fy>>2)*stride , stride);
152  c->qpel_put[1][fxy](c->temp + 8 , ref[0] + (fx>>2) + (fy>>2)*stride + 8 , stride);
153  c->qpel_put[1][fxy](c->temp + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8*stride, stride);
154  c->qpel_put[1][fxy](c->temp + 8 + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8 + 8*stride, stride);
155  c->qpel_avg[1][bxy](c->temp , ref[8] + (bx>>2) + (by>>2)*stride , stride);
156  c->qpel_avg[1][bxy](c->temp + 8 , ref[8] + (bx>>2) + (by>>2)*stride + 8 , stride);
157  c->qpel_avg[1][bxy](c->temp + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8*stride, stride);
158  c->qpel_avg[1][bxy](c->temp + 8 + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8 + 8*stride, stride);
159  }else{
160  av_assert2((fx>>1) + 16*s->mb_x >= -16);
161  av_assert2((fy>>1) + 16*s->mb_y >= -16);
162  av_assert2((fx>>1) + 16*s->mb_x <= s->width);
163  av_assert2((fy>>1) + 16*s->mb_y <= s->height);
164  av_assert2((bx>>1) + 16*s->mb_x >= -16);
165  av_assert2((by>>1) + 16*s->mb_y >= -16);
166  av_assert2((bx>>1) + 16*s->mb_x <= s->width);
167  av_assert2((by>>1) + 16*s->mb_y <= s->height);
168 
169  c->hpel_put[0][fxy](c->temp, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 16);
170  c->hpel_avg[0][bxy](c->temp, ref[8] + (bx>>1) + (by>>1)*stride, stride, 16);
171  }
172  }
173  d = cmp_func(s, c->temp, src[0], stride, 16);
174  }else
175  d= 256*256*256*32;
176  return d;
177 }
178 
179 static av_always_inline int cmp_inline(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
180  const int size, const int h, int ref_index, int src_index,
181  me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, int qpel, int chroma){
182  MotionEstContext * const c= &s->me;
183  const int stride= c->stride;
184  const int uvstride= c->uvstride;
185  const int dxy= subx + (suby<<(1+qpel)); //FIXME log2_subpel?
186  const int hx= subx + (x<<(1+qpel));
187  const int hy= suby + (y<<(1+qpel));
188  uint8_t * const * const ref= c->ref[ref_index];
189  uint8_t * const * const src= c->src[src_index];
190  int d;
191  //FIXME check chroma 4mv, (no crashes ...)
192  int uvdxy; /* no, it might not be used uninitialized */
193  if(dxy){
194  if(qpel){
195  if (h << size == 16) {
196  c->qpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride); //FIXME prototype (add h)
197  } else if (size == 0 && h == 8) {
198  c->qpel_put[1][dxy](c->temp , ref[0] + x + y*stride , stride);
199  c->qpel_put[1][dxy](c->temp + 8, ref[0] + x + y*stride + 8, stride);
200  } else
201  av_assert2(0);
202  if(chroma){
203  int cx= hx/2;
204  int cy= hy/2;
205  cx= (cx>>1)|(cx&1);
206  cy= (cy>>1)|(cy&1);
207  uvdxy= (cx&1) + 2*(cy&1);
208  //FIXME x/y wrong, but mpeg4 qpel is sick anyway, we should drop as much of it as possible in favor for h264
209  }
210  }else{
211  c->hpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride, h);
212  if(chroma)
213  uvdxy= dxy | (x&1) | (2*(y&1));
214  }
215  d = cmp_func(s, c->temp, src[0], stride, h);
216  }else{
217  d = cmp_func(s, src[0], ref[0] + x + y*stride, stride, h);
218  if(chroma)
219  uvdxy= (x&1) + 2*(y&1);
220  }
221  if(chroma){
222  uint8_t * const uvtemp= c->temp + 16*stride;
223  c->hpel_put[size+1][uvdxy](uvtemp , ref[1] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1);
224  c->hpel_put[size+1][uvdxy](uvtemp+8, ref[2] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1);
225  d += chroma_cmp_func(s, uvtemp , src[1], uvstride, h>>1);
226  d += chroma_cmp_func(s, uvtemp+8, src[2], uvstride, h>>1);
227  }
228  return d;
229 }
230 
231 static int cmp_simple(MpegEncContext *s, const int x, const int y,
232  int ref_index, int src_index,
233  me_cmp_func cmp_func, me_cmp_func chroma_cmp_func){
234  return cmp_inline(s,x,y,0,0,0,16,ref_index,src_index, cmp_func, chroma_cmp_func, 0, 0);
235 }
236 
237 static int cmp_fpel_internal(MpegEncContext *s, const int x, const int y,
238  const int size, const int h, int ref_index, int src_index,
239  me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
240  if(flags&FLAG_DIRECT){
241  return cmp_direct_inline(s,x,y,0,0,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, flags&FLAG_QPEL);
242  }else{
243  return cmp_inline(s,x,y,0,0,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 0, flags&FLAG_CHROMA);
244  }
245 }
246 
247 static int cmp_internal(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
248  const int size, const int h, int ref_index, int src_index,
249  me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
250  if(flags&FLAG_DIRECT){
251  return cmp_direct_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, flags&FLAG_QPEL);
252  }else{
253  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);
254  }
255 }
256 
257 /** @brief compares a block (either a full macroblock or a partition thereof)
258  against a proposed motion-compensated prediction of that block
259  */
260 static av_always_inline int cmp(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
261  const int size, const int h, int ref_index, int src_index,
262  me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
265  && flags==0 && h==16 && size==0 && subx==0 && suby==0){
266  return cmp_simple(s,x,y,ref_index,src_index, cmp_func, chroma_cmp_func);
267  }else if(av_builtin_constant_p(subx) && av_builtin_constant_p(suby)
268  && subx==0 && suby==0){
269  return cmp_fpel_internal(s,x,y,size,h,ref_index,src_index, cmp_func, chroma_cmp_func,flags);
270  }else{
271  return cmp_internal(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, flags);
272  }
273 }
274 
275 static int cmp_hpel(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
276  const int size, const int h, int ref_index, int src_index,
277  me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
278  if(flags&FLAG_DIRECT){
279  return cmp_direct_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 0);
280  }else{
281  return cmp_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 0, flags&FLAG_CHROMA);
282  }
283 }
284 
285 static int cmp_qpel(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
286  const int size, const int h, int ref_index, int src_index,
287  me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
288  if(flags&FLAG_DIRECT){
289  return cmp_direct_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 1);
290  }else{
291  return cmp_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 1, flags&FLAG_CHROMA);
292  }
293 }
294 
295 #include "motion_est_template.c"
296 
298  ptrdiff_t stride, int h)
299 {
300  return 0;
301 }
302 
303 static void zero_hpel(uint8_t *a, const uint8_t *b, ptrdiff_t stride, int h){
304 }
305 
307  MotionEstContext * const c= &s->me;
308  int cache_size= FFMIN(ME_MAP_SIZE>>ME_MAP_SHIFT, 1<<ME_MAP_SHIFT);
309  int dia_size= FFMAX(FFABS(s->avctx->dia_size)&255, FFABS(s->avctx->pre_dia_size)&255);
310 
312  av_log(s->avctx, AV_LOG_ERROR, "ME_MAP size is too small for SAB diamond\n");
313  return -1;
314  }
315  //special case of snow is needed because snow uses its own iterative ME code
317  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");
318  return -1;
319  }
320 
321  c->avctx= s->avctx;
322 
323  if(s->codec_id == AV_CODEC_ID_H261)
324  c->avctx->me_sub_cmp = c->avctx->me_cmp;
325 
326  if(cache_size < 2*dia_size && !c->stride){
327  av_log(s->avctx, AV_LOG_INFO, "ME_MAP size may be a little small for the selected diamond size\n");
328  }
329 
331  ff_set_cmp(&s->mecc, s->mecc.me_cmp, c->avctx->me_cmp);
333  ff_set_cmp(&s->mecc, s->mecc.mb_cmp, c->avctx->mb_cmp);
334 
335  c->flags = get_flags(c, 0, c->avctx->me_cmp &FF_CMP_CHROMA);
337  c->mb_flags = get_flags(c, 0, c->avctx->mb_cmp &FF_CMP_CHROMA);
338 
339 /*FIXME s->no_rounding b_type*/
340  if (s->avctx->flags & CODEC_FLAG_QPEL) {
343  if (s->no_rounding)
345  else
347  }else{
350  else if( c->avctx->me_sub_cmp == FF_CMP_SAD
351  && c->avctx-> me_cmp == FF_CMP_SAD
352  && c->avctx-> mb_cmp == FF_CMP_SAD)
353  c->sub_motion_search= sad_hpel_motion_search; // 2050 vs. 2450 cycles
354  else
356  }
357  c->hpel_avg = s->hdsp.avg_pixels_tab;
358  if (s->no_rounding)
360  else
361  c->hpel_put = s->hdsp.put_pixels_tab;
362 
363  if(s->linesize){
364  c->stride = s->linesize;
365  c->uvstride= s->uvlinesize;
366  }else{
367  c->stride = 16*s->mb_width + 32;
368  c->uvstride= 8*s->mb_width + 16;
369  }
370 
371  /* 8x8 fullpel search would need a 4x4 chroma compare, which we do
372  * not have yet, and even if we had, the motion estimation code
373  * does not expect it. */
374  if (s->codec_id != AV_CODEC_ID_SNOW) {
375  if ((c->avctx->me_cmp & FF_CMP_CHROMA) /* && !s->mecc.me_cmp[2] */)
376  s->mecc.me_cmp[2] = zero_cmp;
377  if ((c->avctx->me_sub_cmp & FF_CMP_CHROMA) && !s->mecc.me_sub_cmp[2])
378  s->mecc.me_sub_cmp[2] = zero_cmp;
379  c->hpel_put[2][0]= c->hpel_put[2][1]=
380  c->hpel_put[2][2]= c->hpel_put[2][3]= zero_hpel;
381  }
382 
383  if(s->codec_id == AV_CODEC_ID_H261){
385  }
386 
387  return 0;
388 }
389 
390 #define CHECK_SAD_HALF_MV(suffix, x, y) \
391 {\
392  d = s->mecc.pix_abs[size][(x ? 1 : 0) + (y ? 2 : 0)](NULL, pix, ptr + ((x) >> 1), stride, h); \
393  d += (mv_penalty[pen_x + x] + mv_penalty[pen_y + y])*penalty_factor;\
394  COPY3_IF_LT(dminh, d, dx, x, dy, y)\
395 }
396 
398  int *mx_ptr, int *my_ptr, int dmin,
399  int src_index, int ref_index,
400  int size, int h)
401 {
402  MotionEstContext * const c= &s->me;
403  const int penalty_factor= c->sub_penalty_factor;
404  int mx, my, dminh;
405  uint8_t *pix, *ptr;
406  int stride= c->stride;
408 
409  av_assert2(c->sub_flags == 0);
410 
411  if(c->skip){
412  *mx_ptr = 0;
413  *my_ptr = 0;
414  return dmin;
415  }
416 
417  pix = c->src[src_index][0];
418 
419  mx = *mx_ptr;
420  my = *my_ptr;
421  ptr = c->ref[ref_index][0] + (my * stride) + mx;
422 
423  dminh = dmin;
424 
425  if (mx > xmin && mx < xmax &&
426  my > ymin && my < ymax) {
427  int dx=0, dy=0;
428  int d, pen_x, pen_y;
429  const int index= (my<<ME_MAP_SHIFT) + mx;
430  const int t= score_map[(index-(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)];
431  const int l= score_map[(index- 1 )&(ME_MAP_SIZE-1)];
432  const int r= score_map[(index+ 1 )&(ME_MAP_SIZE-1)];
433  const int b= score_map[(index+(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)];
434  mx<<=1;
435  my<<=1;
436 
437 
438  pen_x= pred_x + mx;
439  pen_y= pred_y + my;
440 
441  ptr-= stride;
442  if(t<=b){
443  CHECK_SAD_HALF_MV(y2 , 0, -1)
444  if(l<=r){
445  CHECK_SAD_HALF_MV(xy2, -1, -1)
446  if(t+r<=b+l){
447  CHECK_SAD_HALF_MV(xy2, +1, -1)
448  ptr+= stride;
449  }else{
450  ptr+= stride;
451  CHECK_SAD_HALF_MV(xy2, -1, +1)
452  }
453  CHECK_SAD_HALF_MV(x2 , -1, 0)
454  }else{
455  CHECK_SAD_HALF_MV(xy2, +1, -1)
456  if(t+l<=b+r){
457  CHECK_SAD_HALF_MV(xy2, -1, -1)
458  ptr+= stride;
459  }else{
460  ptr+= stride;
461  CHECK_SAD_HALF_MV(xy2, +1, +1)
462  }
463  CHECK_SAD_HALF_MV(x2 , +1, 0)
464  }
465  }else{
466  if(l<=r){
467  if(t+l<=b+r){
468  CHECK_SAD_HALF_MV(xy2, -1, -1)
469  ptr+= stride;
470  }else{
471  ptr+= stride;
472  CHECK_SAD_HALF_MV(xy2, +1, +1)
473  }
474  CHECK_SAD_HALF_MV(x2 , -1, 0)
475  CHECK_SAD_HALF_MV(xy2, -1, +1)
476  }else{
477  if(t+r<=b+l){
478  CHECK_SAD_HALF_MV(xy2, +1, -1)
479  ptr+= stride;
480  }else{
481  ptr+= stride;
482  CHECK_SAD_HALF_MV(xy2, -1, +1)
483  }
484  CHECK_SAD_HALF_MV(x2 , +1, 0)
485  CHECK_SAD_HALF_MV(xy2, +1, +1)
486  }
487  CHECK_SAD_HALF_MV(y2 , 0, +1)
488  }
489  mx+=dx;
490  my+=dy;
491 
492  }else{
493  mx<<=1;
494  my<<=1;
495  }
496 
497  *mx_ptr = mx;
498  *my_ptr = my;
499  return dminh;
500 }
501 
502 static inline void set_p_mv_tables(MpegEncContext * s, int mx, int my, int mv4)
503 {
504  const int xy= s->mb_x + s->mb_y*s->mb_stride;
505 
506  s->p_mv_table[xy][0] = mx;
507  s->p_mv_table[xy][1] = my;
508 
509  /* has already been set to the 4 MV if 4MV is done */
510  if(mv4){
511  int mot_xy= s->block_index[0];
512 
513  s->current_picture.motion_val[0][mot_xy ][0] = mx;
514  s->current_picture.motion_val[0][mot_xy ][1] = my;
515  s->current_picture.motion_val[0][mot_xy + 1][0] = mx;
516  s->current_picture.motion_val[0][mot_xy + 1][1] = my;
517 
518  mot_xy += s->b8_stride;
519  s->current_picture.motion_val[0][mot_xy ][0] = mx;
520  s->current_picture.motion_val[0][mot_xy ][1] = my;
521  s->current_picture.motion_val[0][mot_xy + 1][0] = mx;
522  s->current_picture.motion_val[0][mot_xy + 1][1] = my;
523  }
524 }
525 
526 /**
527  * get fullpel ME search limits.
528  */
529 static inline void get_limits(MpegEncContext *s, int x, int y)
530 {
531  MotionEstContext * const c= &s->me;
532  int range= c->avctx->me_range >> (1 + !!(c->flags&FLAG_QPEL));
533  int max_range = MAX_MV >> (1 + !!(c->flags&FLAG_QPEL));
534 /*
535  if(c->avctx->me_range) c->range= c->avctx->me_range >> 1;
536  else c->range= 16;
537 */
538  if (s->unrestricted_mv) {
539  c->xmin = - x - 16;
540  c->ymin = - y - 16;
541  c->xmax = - x + s->width;
542  c->ymax = - y + s->height;
543  } else if (s->out_format == FMT_H261){
544  // Search range of H261 is different from other codec standards
545  c->xmin = (x > 15) ? - 15 : 0;
546  c->ymin = (y > 15) ? - 15 : 0;
547  c->xmax = (x < s->mb_width * 16 - 16) ? 15 : 0;
548  c->ymax = (y < s->mb_height * 16 - 16) ? 15 : 0;
549  } else {
550  c->xmin = - x;
551  c->ymin = - y;
552  c->xmax = - x + s->mb_width *16 - 16;
553  c->ymax = - y + s->mb_height*16 - 16;
554  }
555  if(!range || range > max_range)
556  range = max_range;
557  if(range){
558  c->xmin = FFMAX(c->xmin,-range);
559  c->xmax = FFMIN(c->xmax, range);
560  c->ymin = FFMAX(c->ymin,-range);
561  c->ymax = FFMIN(c->ymax, range);
562  }
563 }
564 
565 static inline void init_mv4_ref(MotionEstContext *c){
566  const int stride= c->stride;
567 
568  c->ref[1][0] = c->ref[0][0] + 8;
569  c->ref[2][0] = c->ref[0][0] + 8*stride;
570  c->ref[3][0] = c->ref[2][0] + 8;
571  c->src[1][0] = c->src[0][0] + 8;
572  c->src[2][0] = c->src[0][0] + 8*stride;
573  c->src[3][0] = c->src[2][0] + 8;
574 }
575 
576 static inline int h263_mv4_search(MpegEncContext *s, int mx, int my, int shift)
577 {
578  MotionEstContext * const c= &s->me;
579  const int size= 1;
580  const int h=8;
581  int block;
582  int P[10][2];
583  int dmin_sum=0, mx4_sum=0, my4_sum=0, i;
584  int same=1;
585  const int stride= c->stride;
587  int saftey_cliping= s->unrestricted_mv && (s->width&15) && (s->height&15);
588 
589  init_mv4_ref(c);
590 
591  for(block=0; block<4; block++){
592  int mx4, my4;
593  int pred_x4, pred_y4;
594  int dmin4;
595  static const int off[4]= {2, 1, 1, -1};
596  const int mot_stride = s->b8_stride;
597  const int mot_xy = s->block_index[block];
598 
599  if(saftey_cliping){
600  c->xmax = - 16*s->mb_x + s->width - 8*(block &1);
601  c->ymax = - 16*s->mb_y + s->height - 8*(block>>1);
602  }
603 
604  P_LEFT[0] = s->current_picture.motion_val[0][mot_xy - 1][0];
605  P_LEFT[1] = s->current_picture.motion_val[0][mot_xy - 1][1];
606 
607  if(P_LEFT[0] > (c->xmax<<shift)) P_LEFT[0] = (c->xmax<<shift);
608 
609  /* special case for first line */
610  if (s->first_slice_line && block<2) {
611  c->pred_x= pred_x4= P_LEFT[0];
612  c->pred_y= pred_y4= P_LEFT[1];
613  } else {
614  P_TOP[0] = s->current_picture.motion_val[0][mot_xy - mot_stride ][0];
615  P_TOP[1] = s->current_picture.motion_val[0][mot_xy - mot_stride ][1];
616  P_TOPRIGHT[0] = s->current_picture.motion_val[0][mot_xy - mot_stride + off[block]][0];
617  P_TOPRIGHT[1] = s->current_picture.motion_val[0][mot_xy - mot_stride + off[block]][1];
618  if(P_TOP[1] > (c->ymax<<shift)) P_TOP[1] = (c->ymax<<shift);
619  if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift);
620  if(P_TOPRIGHT[0] > (c->xmax<<shift)) P_TOPRIGHT[0]= (c->xmax<<shift);
621  if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift);
622 
623  P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
624  P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
625 
626  c->pred_x= pred_x4 = P_MEDIAN[0];
627  c->pred_y= pred_y4 = P_MEDIAN[1];
628  }
629  P_MV1[0]= mx;
630  P_MV1[1]= my;
631  if(saftey_cliping)
632  for(i=1; i<10; i++){
633  if (s->first_slice_line && block<2 && i>1 && i<9)
634  continue;
635  if (i>4 && i<9)
636  continue;
637  if(P[i][0] > (c->xmax<<shift)) P[i][0]= (c->xmax<<shift);
638  if(P[i][1] > (c->ymax<<shift)) P[i][1]= (c->ymax<<shift);
639  }
640 
641  dmin4 = epzs_motion_search4(s, &mx4, &my4, P, block, block, s->p_mv_table, (1<<16)>>shift);
642 
643  dmin4= c->sub_motion_search(s, &mx4, &my4, dmin4, block, block, size, h);
644 
645  if (s->mecc.me_sub_cmp[0] != s->mecc.mb_cmp[0]) {
646  int dxy;
647  const int offset= ((block&1) + (block>>1)*stride)*8;
648  uint8_t *dest_y = c->scratchpad + offset;
649  if(s->quarter_sample){
650  uint8_t *ref= c->ref[block][0] + (mx4>>2) + (my4>>2)*stride;
651  dxy = ((my4 & 3) << 2) | (mx4 & 3);
652 
653  if(s->no_rounding)
654  s->qdsp.put_no_rnd_qpel_pixels_tab[1][dxy](dest_y, ref, stride);
655  else
656  s->qdsp.put_qpel_pixels_tab[1][dxy](dest_y, ref, stride);
657  }else{
658  uint8_t *ref= c->ref[block][0] + (mx4>>1) + (my4>>1)*stride;
659  dxy = ((my4 & 1) << 1) | (mx4 & 1);
660 
661  if(s->no_rounding)
662  s->hdsp.put_no_rnd_pixels_tab[1][dxy](dest_y , ref , stride, h);
663  else
664  s->hdsp.put_pixels_tab [1][dxy](dest_y , ref , stride, h);
665  }
666  dmin_sum+= (mv_penalty[mx4-pred_x4] + mv_penalty[my4-pred_y4])*c->mb_penalty_factor;
667  }else
668  dmin_sum+= dmin4;
669 
670  if(s->quarter_sample){
671  mx4_sum+= mx4/2;
672  my4_sum+= my4/2;
673  }else{
674  mx4_sum+= mx4;
675  my4_sum+= my4;
676  }
677 
678  s->current_picture.motion_val[0][s->block_index[block]][0] = mx4;
679  s->current_picture.motion_val[0][s->block_index[block]][1] = my4;
680 
681  if(mx4 != mx || my4 != my) same=0;
682  }
683 
684  if(same)
685  return INT_MAX;
686 
687  if (s->mecc.me_sub_cmp[0] != s->mecc.mb_cmp[0]) {
688  dmin_sum += s->mecc.mb_cmp[0](s,
689  s->new_picture.f->data[0] +
690  s->mb_x * 16 + s->mb_y * 16 * stride,
691  c->scratchpad, stride, 16);
692  }
693 
694  if(c->avctx->mb_cmp&FF_CMP_CHROMA){
695  int dxy;
696  int mx, my;
697  int offset;
698 
699  mx= ff_h263_round_chroma(mx4_sum);
700  my= ff_h263_round_chroma(my4_sum);
701  dxy = ((my & 1) << 1) | (mx & 1);
702 
703  offset= (s->mb_x*8 + (mx>>1)) + (s->mb_y*8 + (my>>1))*s->uvlinesize;
704 
705  if(s->no_rounding){
706  s->hdsp.put_no_rnd_pixels_tab[1][dxy](c->scratchpad , s->last_picture.f->data[1] + offset, s->uvlinesize, 8);
707  s->hdsp.put_no_rnd_pixels_tab[1][dxy](c->scratchpad + 8, s->last_picture.f->data[2] + offset, s->uvlinesize, 8);
708  }else{
709  s->hdsp.put_pixels_tab [1][dxy](c->scratchpad , s->last_picture.f->data[1] + offset, s->uvlinesize, 8);
710  s->hdsp.put_pixels_tab [1][dxy](c->scratchpad + 8, s->last_picture.f->data[2] + offset, s->uvlinesize, 8);
711  }
712 
713  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);
714  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);
715  }
716 
717  c->pred_x= mx;
718  c->pred_y= my;
719 
720  switch(c->avctx->mb_cmp&0xFF){
721  /*case FF_CMP_SSE:
722  return dmin_sum+ 32*s->qscale*s->qscale;*/
723  case FF_CMP_RD:
724  return dmin_sum;
725  default:
726  return dmin_sum+ 11*c->mb_penalty_factor;
727  }
728 }
729 
730 static inline void init_interlaced_ref(MpegEncContext *s, int ref_index){
731  MotionEstContext * const c= &s->me;
732 
733  c->ref[1+ref_index][0] = c->ref[0+ref_index][0] + s->linesize;
734  c->src[1][0] = c->src[0][0] + s->linesize;
735  if(c->flags & FLAG_CHROMA){
736  c->ref[1+ref_index][1] = c->ref[0+ref_index][1] + s->uvlinesize;
737  c->ref[1+ref_index][2] = c->ref[0+ref_index][2] + s->uvlinesize;
738  c->src[1][1] = c->src[0][1] + s->uvlinesize;
739  c->src[1][2] = c->src[0][2] + s->uvlinesize;
740  }
741 }
742 
743 static int interlaced_search(MpegEncContext *s, int ref_index,
744  int16_t (*mv_tables[2][2])[2], uint8_t *field_select_tables[2], int mx, int my, int user_field_select)
745 {
746  MotionEstContext * const c= &s->me;
747  const int size=0;
748  const int h=8;
749  int block;
750  int P[10][2];
752  int same=1;
753  const int stride= 2*s->linesize;
754  int dmin_sum= 0;
755  const int mot_stride= s->mb_stride;
756  const int xy= s->mb_x + s->mb_y*mot_stride;
757 
758  c->ymin>>=1;
759  c->ymax>>=1;
760  c->stride<<=1;
761  c->uvstride<<=1;
762  init_interlaced_ref(s, ref_index);
763 
764  for(block=0; block<2; block++){
765  int field_select;
766  int best_dmin= INT_MAX;
767  int best_field= -1;
768 
769  for(field_select=0; field_select<2; field_select++){
770  int dmin, mx_i, my_i;
771  int16_t (*mv_table)[2]= mv_tables[block][field_select];
772 
773  if(user_field_select){
774  av_assert1(field_select==0 || field_select==1);
775  av_assert1(field_select_tables[block][xy]==0 || field_select_tables[block][xy]==1);
776  if(field_select_tables[block][xy] != field_select)
777  continue;
778  }
779 
780  P_LEFT[0] = mv_table[xy - 1][0];
781  P_LEFT[1] = mv_table[xy - 1][1];
782  if(P_LEFT[0] > (c->xmax<<1)) P_LEFT[0] = (c->xmax<<1);
783 
784  c->pred_x= P_LEFT[0];
785  c->pred_y= P_LEFT[1];
786 
787  if(!s->first_slice_line){
788  P_TOP[0] = mv_table[xy - mot_stride][0];
789  P_TOP[1] = mv_table[xy - mot_stride][1];
790  P_TOPRIGHT[0] = mv_table[xy - mot_stride + 1][0];
791  P_TOPRIGHT[1] = mv_table[xy - mot_stride + 1][1];
792  if(P_TOP[1] > (c->ymax<<1)) P_TOP[1] = (c->ymax<<1);
793  if(P_TOPRIGHT[0] < (c->xmin<<1)) P_TOPRIGHT[0]= (c->xmin<<1);
794  if(P_TOPRIGHT[0] > (c->xmax<<1)) P_TOPRIGHT[0]= (c->xmax<<1);
795  if(P_TOPRIGHT[1] > (c->ymax<<1)) P_TOPRIGHT[1]= (c->ymax<<1);
796 
797  P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
798  P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
799  }
800  P_MV1[0]= mx; //FIXME not correct if block != field_select
801  P_MV1[1]= my / 2;
802 
803  dmin = epzs_motion_search2(s, &mx_i, &my_i, P, block, field_select+ref_index, mv_table, (1<<16)>>1);
804 
805  dmin= c->sub_motion_search(s, &mx_i, &my_i, dmin, block, field_select+ref_index, size, h);
806 
807  mv_table[xy][0]= mx_i;
808  mv_table[xy][1]= my_i;
809 
810  if (s->mecc.me_sub_cmp[0] != s->mecc.mb_cmp[0]) {
811  int dxy;
812 
813  //FIXME chroma ME
814  uint8_t *ref= c->ref[field_select+ref_index][0] + (mx_i>>1) + (my_i>>1)*stride;
815  dxy = ((my_i & 1) << 1) | (mx_i & 1);
816 
817  if(s->no_rounding){
818  s->hdsp.put_no_rnd_pixels_tab[size][dxy](c->scratchpad, ref , stride, h);
819  }else{
820  s->hdsp.put_pixels_tab [size][dxy](c->scratchpad, ref , stride, h);
821  }
822  dmin = s->mecc.mb_cmp[size](s, c->src[block][0], c->scratchpad, stride, h);
823  dmin+= (mv_penalty[mx_i-c->pred_x] + mv_penalty[my_i-c->pred_y] + 1)*c->mb_penalty_factor;
824  }else
825  dmin+= c->mb_penalty_factor; //field_select bits
826 
827  dmin += field_select != block; //slightly prefer same field
828 
829  if(dmin < best_dmin){
830  best_dmin= dmin;
831  best_field= field_select;
832  }
833  }
834  {
835  int16_t (*mv_table)[2]= mv_tables[block][best_field];
836 
837  if(mv_table[xy][0] != mx) same=0; //FIXME check if these checks work and are any good at all
838  if(mv_table[xy][1]&1) same=0;
839  if(mv_table[xy][1]*2 != my) same=0;
840  if(best_field != block) same=0;
841  }
842 
843  field_select_tables[block][xy]= best_field;
844  dmin_sum += best_dmin;
845  }
846 
847  c->ymin<<=1;
848  c->ymax<<=1;
849  c->stride>>=1;
850  c->uvstride>>=1;
851 
852  if(same)
853  return INT_MAX;
854 
855  switch(c->avctx->mb_cmp&0xFF){
856  /*case FF_CMP_SSE:
857  return dmin_sum+ 32*s->qscale*s->qscale;*/
858  case FF_CMP_RD:
859  return dmin_sum;
860  default:
861  return dmin_sum+ 11*c->mb_penalty_factor;
862  }
863 }
864 
865 static inline int get_penalty_factor(int lambda, int lambda2, int type){
866  switch(type&0xFF){
867  default:
868  case FF_CMP_SAD:
869  return lambda>>FF_LAMBDA_SHIFT;
870  case FF_CMP_DCT:
871  return (3*lambda)>>(FF_LAMBDA_SHIFT+1);
872  case FF_CMP_W53:
873  return (4*lambda)>>(FF_LAMBDA_SHIFT);
874  case FF_CMP_W97:
875  return (2*lambda)>>(FF_LAMBDA_SHIFT);
876  case FF_CMP_SATD:
877  case FF_CMP_DCT264:
878  return (2*lambda)>>FF_LAMBDA_SHIFT;
879  case FF_CMP_RD:
880  case FF_CMP_PSNR:
881  case FF_CMP_SSE:
882  case FF_CMP_NSSE:
883  return lambda2>>FF_LAMBDA_SHIFT;
884  case FF_CMP_BIT:
885  return 1;
886  }
887 }
888 
890  int mb_x, int mb_y)
891 {
892  MotionEstContext * const c= &s->me;
893  uint8_t *pix, *ppix;
894  int sum, mx, my, dmin;
895  int varc; ///< the variance of the block (sum of squared (p[y][x]-average))
896  int vard; ///< sum of squared differences with the estimated motion vector
897  int P[10][2];
898  const int shift= 1+s->quarter_sample;
899  int mb_type=0;
900  Picture * const pic= &s->current_picture;
901 
902  init_ref(c, s->new_picture.f->data, s->last_picture.f->data, NULL, 16*mb_x, 16*mb_y, 0);
903 
904  av_assert0(s->quarter_sample==0 || s->quarter_sample==1);
905  av_assert0(s->linesize == c->stride);
906  av_assert0(s->uvlinesize == c->uvstride);
907 
912 
913  get_limits(s, 16*mb_x, 16*mb_y);
914  c->skip=0;
915 
916  /* intra / predictive decision */
917  pix = c->src[0][0];
918  sum = s->mpvencdsp.pix_sum(pix, s->linesize);
919  varc = s->mpvencdsp.pix_norm1(pix, s->linesize) -
920  (((unsigned) sum * sum) >> 8) + 500;
921 
922  pic->mb_mean[s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
923  pic->mb_var [s->mb_stride * mb_y + mb_x] = (varc+128)>>8;
924  c->mb_var_sum_temp += (varc+128)>>8;
925 
926  switch(s->me_method) {
927  case ME_ZERO:
928  default:
929  mx = 0;
930  my = 0;
931  dmin = 0;
932  break;
933  case ME_X1:
934  case ME_EPZS:
935  {
936  const int mot_stride = s->b8_stride;
937  const int mot_xy = s->block_index[0];
938 
939  P_LEFT[0] = s->current_picture.motion_val[0][mot_xy - 1][0];
940  P_LEFT[1] = s->current_picture.motion_val[0][mot_xy - 1][1];
941 
942  if(P_LEFT[0] > (c->xmax<<shift)) P_LEFT[0] = (c->xmax<<shift);
943 
944  if(!s->first_slice_line) {
945  P_TOP[0] = s->current_picture.motion_val[0][mot_xy - mot_stride ][0];
946  P_TOP[1] = s->current_picture.motion_val[0][mot_xy - mot_stride ][1];
947  P_TOPRIGHT[0] = s->current_picture.motion_val[0][mot_xy - mot_stride + 2][0];
948  P_TOPRIGHT[1] = s->current_picture.motion_val[0][mot_xy - mot_stride + 2][1];
949  if(P_TOP[1] > (c->ymax<<shift)) P_TOP[1] = (c->ymax<<shift);
950  if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift);
951  if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift);
952 
953  P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
954  P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
955 
956  if(s->out_format == FMT_H263){
957  c->pred_x = P_MEDIAN[0];
958  c->pred_y = P_MEDIAN[1];
959  }else { /* mpeg1 at least */
960  c->pred_x= P_LEFT[0];
961  c->pred_y= P_LEFT[1];
962  }
963  }else{
964  c->pred_x= P_LEFT[0];
965  c->pred_y= P_LEFT[1];
966  }
967 
968  }
969  dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, 0, s->p_mv_table, (1<<16)>>shift, 0, 16);
970 
971  break;
972  }
973 
974  /* At this point (mx,my) are full-pell and the relative displacement */
975  ppix = c->ref[0][0] + (my * s->linesize) + mx;
976 
977  vard = s->mecc.sse[0](NULL, pix, ppix, s->linesize, 16);
978 
979  pic->mc_mb_var[s->mb_stride * mb_y + mb_x] = (vard+128)>>8;
980  c->mc_mb_var_sum_temp += (vard+128)>>8;
981 
983  int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100);
984  int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20;
985  c->scene_change_score+= ff_sqrt(p_score) - ff_sqrt(i_score);
986 
987  if (vard*2 + 200*256 > varc)
988  mb_type|= CANDIDATE_MB_TYPE_INTRA;
989  if (varc*2 + 200*256 > vard || s->qscale > 24){
990 // if (varc*2 + 200*256 + 50*(s->lambda2>>FF_LAMBDA_SHIFT) > vard){
991  mb_type|= CANDIDATE_MB_TYPE_INTER;
992  c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
993  if (s->mpv_flags & FF_MPV_FLAG_MV0)
994  if(mx || my)
995  mb_type |= CANDIDATE_MB_TYPE_SKIPPED; //FIXME check difference
996  }else{
997  mx <<=shift;
998  my <<=shift;
999  }
1000  if ((s->avctx->flags & CODEC_FLAG_4MV)
1001  && !c->skip && varc>50<<8 && vard>10<<8){
1002  if(h263_mv4_search(s, mx, my, shift) < INT_MAX)
1003  mb_type|=CANDIDATE_MB_TYPE_INTER4V;
1004 
1005  set_p_mv_tables(s, mx, my, 0);
1006  }else
1007  set_p_mv_tables(s, mx, my, 1);
1009  && !c->skip){ //FIXME varc/d checks
1010  if(interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 0) < INT_MAX)
1011  mb_type |= CANDIDATE_MB_TYPE_INTER_I;
1012  }
1013  }else{
1014  int intra_score, i;
1015  mb_type= CANDIDATE_MB_TYPE_INTER;
1016 
1017  dmin= c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
1018  if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip)
1019  dmin= get_mb_score(s, mx, my, 0, 0, 0, 16, 1);
1020 
1021  if ((s->avctx->flags & CODEC_FLAG_4MV)
1022  && !c->skip && varc>50<<8 && vard>10<<8){
1023  int dmin4= h263_mv4_search(s, mx, my, shift);
1024  if(dmin4 < dmin){
1025  mb_type= CANDIDATE_MB_TYPE_INTER4V;
1026  dmin=dmin4;
1027  }
1028  }
1030  && !c->skip){ //FIXME varc/d checks
1031  int dmin_i= interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 0);
1032  if(dmin_i < dmin){
1033  mb_type = CANDIDATE_MB_TYPE_INTER_I;
1034  dmin= dmin_i;
1035  }
1036  }
1037 
1038  set_p_mv_tables(s, mx, my, mb_type!=CANDIDATE_MB_TYPE_INTER4V);
1039 
1040  /* get intra luma score */
1041  if((c->avctx->mb_cmp&0xFF)==FF_CMP_SSE){
1042  intra_score= varc - 500;
1043  }else{
1044  unsigned mean = (sum+128)>>8;
1045  mean*= 0x01010101;
1046 
1047  for(i=0; i<16; i++){
1048  *(uint32_t*)(&c->scratchpad[i*s->linesize+ 0]) = mean;
1049  *(uint32_t*)(&c->scratchpad[i*s->linesize+ 4]) = mean;
1050  *(uint32_t*)(&c->scratchpad[i*s->linesize+ 8]) = mean;
1051  *(uint32_t*)(&c->scratchpad[i*s->linesize+12]) = mean;
1052  }
1053 
1054  intra_score= s->mecc.mb_cmp[0](s, c->scratchpad, pix, s->linesize, 16);
1055  }
1056  intra_score += c->mb_penalty_factor*16;
1057 
1058  if(intra_score < dmin){
1059  mb_type= CANDIDATE_MB_TYPE_INTRA;
1060  s->current_picture.mb_type[mb_y*s->mb_stride + mb_x] = CANDIDATE_MB_TYPE_INTRA; //FIXME cleanup
1061  }else
1062  s->current_picture.mb_type[mb_y*s->mb_stride + mb_x] = 0;
1063 
1064  {
1065  int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100);
1066  int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20;
1067  c->scene_change_score+= ff_sqrt(p_score) - ff_sqrt(i_score);
1068  }
1069  }
1070 
1071  s->mb_type[mb_y*s->mb_stride + mb_x]= mb_type;
1072 }
1073 
1075  int mb_x, int mb_y)
1076 {
1077  MotionEstContext * const c= &s->me;
1078  int mx, my, dmin;
1079  int P[10][2];
1080  const int shift= 1+s->quarter_sample;
1081  const int xy= mb_x + mb_y*s->mb_stride;
1082  init_ref(c, s->new_picture.f->data, s->last_picture.f->data, NULL, 16*mb_x, 16*mb_y, 0);
1083 
1084  av_assert0(s->quarter_sample==0 || s->quarter_sample==1);
1085 
1088 
1089  get_limits(s, 16*mb_x, 16*mb_y);
1090  c->skip=0;
1091 
1092  P_LEFT[0] = s->p_mv_table[xy + 1][0];
1093  P_LEFT[1] = s->p_mv_table[xy + 1][1];
1094 
1095  if(P_LEFT[0] < (c->xmin<<shift)) P_LEFT[0] = (c->xmin<<shift);
1096 
1097  /* special case for first line */
1098  if (s->first_slice_line) {
1099  c->pred_x= P_LEFT[0];
1100  c->pred_y= P_LEFT[1];
1101  P_TOP[0]= P_TOPRIGHT[0]= P_MEDIAN[0]=
1102  P_TOP[1]= P_TOPRIGHT[1]= P_MEDIAN[1]= 0; //FIXME
1103  } else {
1104  P_TOP[0] = s->p_mv_table[xy + s->mb_stride ][0];
1105  P_TOP[1] = s->p_mv_table[xy + s->mb_stride ][1];
1106  P_TOPRIGHT[0] = s->p_mv_table[xy + s->mb_stride - 1][0];
1107  P_TOPRIGHT[1] = s->p_mv_table[xy + s->mb_stride - 1][1];
1108  if(P_TOP[1] < (c->ymin<<shift)) P_TOP[1] = (c->ymin<<shift);
1109  if(P_TOPRIGHT[0] > (c->xmax<<shift)) P_TOPRIGHT[0]= (c->xmax<<shift);
1110  if(P_TOPRIGHT[1] < (c->ymin<<shift)) P_TOPRIGHT[1]= (c->ymin<<shift);
1111 
1112  P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1113  P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1114 
1115  c->pred_x = P_MEDIAN[0];
1116  c->pred_y = P_MEDIAN[1];
1117  }
1118 
1119  dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, 0, s->p_mv_table, (1<<16)>>shift, 0, 16);
1120 
1121  s->p_mv_table[xy][0] = mx<<shift;
1122  s->p_mv_table[xy][1] = my<<shift;
1123 
1124  return dmin;
1125 }
1126 
1127 static int estimate_motion_b(MpegEncContext *s, int mb_x, int mb_y,
1128  int16_t (*mv_table)[2], int ref_index, int f_code)
1129 {
1130  MotionEstContext * const c= &s->me;
1131  int mx, my, dmin;
1132  int P[10][2];
1133  const int shift= 1+s->quarter_sample;
1134  const int mot_stride = s->mb_stride;
1135  const int mot_xy = mb_y*mot_stride + mb_x;
1136  uint8_t * const mv_penalty= c->mv_penalty[f_code] + MAX_MV;
1137  int mv_scale;
1138 
1143 
1144  get_limits(s, 16*mb_x, 16*mb_y);
1145 
1146  switch(s->me_method) {
1147  case ME_ZERO:
1148  default:
1149  mx = 0;
1150  my = 0;
1151  dmin = 0;
1152  break;
1153  case ME_X1:
1154  case ME_EPZS:
1155  P_LEFT[0] = mv_table[mot_xy - 1][0];
1156  P_LEFT[1] = mv_table[mot_xy - 1][1];
1157 
1158  if (P_LEFT[0] > (c->xmax << shift)) P_LEFT[0] = (c->xmax << shift);
1159 
1160  /* special case for first line */
1161  if (!s->first_slice_line) {
1162  P_TOP[0] = mv_table[mot_xy - mot_stride ][0];
1163  P_TOP[1] = mv_table[mot_xy - mot_stride ][1];
1164  P_TOPRIGHT[0] = mv_table[mot_xy - mot_stride + 1][0];
1165  P_TOPRIGHT[1] = mv_table[mot_xy - mot_stride + 1][1];
1166  if (P_TOP[1] > (c->ymax << shift)) P_TOP[1] = (c->ymax << shift);
1167  if (P_TOPRIGHT[0] < (c->xmin << shift)) P_TOPRIGHT[0] = (c->xmin << shift);
1168  if (P_TOPRIGHT[1] > (c->ymax << shift)) P_TOPRIGHT[1] = (c->ymax << shift);
1169 
1170  P_MEDIAN[0] = mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1171  P_MEDIAN[1] = mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1172  }
1173  c->pred_x = P_LEFT[0];
1174  c->pred_y = P_LEFT[1];
1175 
1176  if(mv_table == s->b_forw_mv_table){
1177  mv_scale= (s->pb_time<<16) / (s->pp_time<<shift);
1178  }else{
1179  mv_scale= ((s->pb_time - s->pp_time)<<16) / (s->pp_time<<shift);
1180  }
1181 
1182  dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, ref_index, s->p_mv_table, mv_scale, 0, 16);
1183 
1184  break;
1185  }
1186 
1187  dmin= c->sub_motion_search(s, &mx, &my, dmin, 0, ref_index, 0, 16);
1188 
1189  if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip)
1190  dmin= get_mb_score(s, mx, my, 0, ref_index, 0, 16, 1);
1191 
1192 // s->mb_type[mb_y*s->mb_width + mb_x]= mb_type;
1193  mv_table[mot_xy][0]= mx;
1194  mv_table[mot_xy][1]= my;
1195 
1196  return dmin;
1197 }
1198 
1199 static inline int check_bidir_mv(MpegEncContext * s,
1200  int motion_fx, int motion_fy,
1201  int motion_bx, int motion_by,
1202  int pred_fx, int pred_fy,
1203  int pred_bx, int pred_by,
1204  int size, int h)
1205 {
1206  //FIXME optimize?
1207  //FIXME better f_code prediction (max mv & distance)
1208  //FIXME pointers
1209  MotionEstContext * const c= &s->me;
1210  uint8_t * const mv_penalty_f= c->mv_penalty[s->f_code] + MAX_MV; // f_code of the prev frame
1211  uint8_t * const mv_penalty_b= c->mv_penalty[s->b_code] + MAX_MV; // f_code of the prev frame
1212  int stride= c->stride;
1213  uint8_t *dest_y = c->scratchpad;
1214  uint8_t *ptr;
1215  int dxy;
1216  int src_x, src_y;
1217  int fbmin;
1218  uint8_t **src_data= c->src[0];
1219  uint8_t **ref_data= c->ref[0];
1220  uint8_t **ref2_data= c->ref[2];
1221 
1222  if(s->quarter_sample){
1223  dxy = ((motion_fy & 3) << 2) | (motion_fx & 3);
1224  src_x = motion_fx >> 2;
1225  src_y = motion_fy >> 2;
1226 
1227  ptr = ref_data[0] + (src_y * stride) + src_x;
1228  s->qdsp.put_qpel_pixels_tab[0][dxy](dest_y, ptr, stride);
1229 
1230  dxy = ((motion_by & 3) << 2) | (motion_bx & 3);
1231  src_x = motion_bx >> 2;
1232  src_y = motion_by >> 2;
1233 
1234  ptr = ref2_data[0] + (src_y * stride) + src_x;
1235  s->qdsp.avg_qpel_pixels_tab[size][dxy](dest_y, ptr, stride);
1236  }else{
1237  dxy = ((motion_fy & 1) << 1) | (motion_fx & 1);
1238  src_x = motion_fx >> 1;
1239  src_y = motion_fy >> 1;
1240 
1241  ptr = ref_data[0] + (src_y * stride) + src_x;
1242  s->hdsp.put_pixels_tab[size][dxy](dest_y , ptr , stride, h);
1243 
1244  dxy = ((motion_by & 1) << 1) | (motion_bx & 1);
1245  src_x = motion_bx >> 1;
1246  src_y = motion_by >> 1;
1247 
1248  ptr = ref2_data[0] + (src_y * stride) + src_x;
1249  s->hdsp.avg_pixels_tab[size][dxy](dest_y , ptr , stride, h);
1250  }
1251 
1252  fbmin = (mv_penalty_f[motion_fx-pred_fx] + mv_penalty_f[motion_fy-pred_fy])*c->mb_penalty_factor
1253  +(mv_penalty_b[motion_bx-pred_bx] + mv_penalty_b[motion_by-pred_by])*c->mb_penalty_factor
1254  + s->mecc.mb_cmp[size](s, src_data[0], dest_y, stride, h); // FIXME new_pic
1255 
1256  if(c->avctx->mb_cmp&FF_CMP_CHROMA){
1257  }
1258  //FIXME CHROMA !!!
1259 
1260  return fbmin;
1261 }
1262 
1263 /* refine the bidir vectors in hq mode and return the score in both lq & hq mode*/
1264 static inline int bidir_refine(MpegEncContext * s, int mb_x, int mb_y)
1265 {
1266  MotionEstContext * const c= &s->me;
1267  const int mot_stride = s->mb_stride;
1268  const int xy = mb_y *mot_stride + mb_x;
1269  int fbmin;
1270  int pred_fx= s->b_bidir_forw_mv_table[xy-1][0];
1271  int pred_fy= s->b_bidir_forw_mv_table[xy-1][1];
1272  int pred_bx= s->b_bidir_back_mv_table[xy-1][0];
1273  int pred_by= s->b_bidir_back_mv_table[xy-1][1];
1274  int motion_fx= s->b_bidir_forw_mv_table[xy][0]= s->b_forw_mv_table[xy][0];
1275  int motion_fy= s->b_bidir_forw_mv_table[xy][1]= s->b_forw_mv_table[xy][1];
1276  int motion_bx= s->b_bidir_back_mv_table[xy][0]= s->b_back_mv_table[xy][0];
1277  int motion_by= s->b_bidir_back_mv_table[xy][1]= s->b_back_mv_table[xy][1];
1278  const int flags= c->sub_flags;
1279  const int qpel= flags&FLAG_QPEL;
1280  const int shift= 1+qpel;
1281  const int xmin= c->xmin<<shift;
1282  const int ymin= c->ymin<<shift;
1283  const int xmax= c->xmax<<shift;
1284  const int ymax= c->ymax<<shift;
1285 #define HASH(fx,fy,bx,by) ((fx)+17*(fy)+63*(bx)+117*(by))
1286 #define HASH8(fx,fy,bx,by) ((uint8_t)HASH(fx,fy,bx,by))
1287  int hashidx= HASH(motion_fx,motion_fy, motion_bx, motion_by);
1288  uint8_t map[256] = { 0 };
1289 
1290  map[hashidx&255] = 1;
1291 
1292  fbmin= check_bidir_mv(s, motion_fx, motion_fy,
1293  motion_bx, motion_by,
1294  pred_fx, pred_fy,
1295  pred_bx, pred_by,
1296  0, 16);
1297 
1298  if(s->avctx->bidir_refine){
1299  int end;
1300  static const uint8_t limittab[5]={0,8,32,64,80};
1301  const int limit= limittab[s->avctx->bidir_refine];
1302  static const int8_t vect[][4]={
1303 { 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},
1304 
1305 { 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},
1306 { 0, 1, 0, 1}, { 0,-1, 0,-1}, { 1, 0, 1, 0}, {-1, 0,-1, 0},
1307 { 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},
1308 { 0,-1, 0, 1}, { 0, 1, 0,-1}, {-1, 0, 1, 0}, { 1, 0,-1, 0},
1309 
1310 { 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},
1311 { 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},
1312 { 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},
1313 { 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},
1314 
1315 { 1, 1, 1, 1}, {-1,-1,-1,-1},
1316 { 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},
1317 { 1, 1,-1,-1}, {-1,-1, 1, 1}, { 1,-1,-1, 1}, {-1, 1, 1,-1}, { 1,-1, 1,-1}, {-1, 1,-1, 1},
1318  };
1319  static const uint8_t hash[]={
1320 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),
1321 
1322 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),
1323 HASH8( 0, 1, 0, 1), HASH8( 0,-1, 0,-1), HASH8( 1, 0, 1, 0), HASH8(-1, 0,-1, 0),
1324 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),
1325 HASH8( 0,-1, 0, 1), HASH8( 0, 1, 0,-1), HASH8(-1, 0, 1, 0), HASH8( 1, 0,-1, 0),
1326 
1327 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),
1328 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),
1329 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),
1330 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),
1331 
1332 HASH8( 1, 1, 1, 1), HASH8(-1,-1,-1,-1),
1333 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),
1334 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),
1335 };
1336 
1337 #define CHECK_BIDIR(fx,fy,bx,by)\
1338  if( !map[(hashidx+HASH(fx,fy,bx,by))&255]\
1339  &&(fx<=0 || motion_fx+fx<=xmax) && (fy<=0 || motion_fy+fy<=ymax) && (bx<=0 || motion_bx+bx<=xmax) && (by<=0 || motion_by+by<=ymax)\
1340  &&(fx>=0 || motion_fx+fx>=xmin) && (fy>=0 || motion_fy+fy>=ymin) && (bx>=0 || motion_bx+bx>=xmin) && (by>=0 || motion_by+by>=ymin)){\
1341  int score;\
1342  map[(hashidx+HASH(fx,fy,bx,by))&255] = 1;\
1343  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);\
1344  if(score < fbmin){\
1345  hashidx += HASH(fx,fy,bx,by);\
1346  fbmin= score;\
1347  motion_fx+=fx;\
1348  motion_fy+=fy;\
1349  motion_bx+=bx;\
1350  motion_by+=by;\
1351  end=0;\
1352  }\
1353  }
1354 #define CHECK_BIDIR2(a,b,c,d)\
1355 CHECK_BIDIR(a,b,c,d)\
1356 CHECK_BIDIR(-(a),-(b),-(c),-(d))
1357 
1358  do{
1359  int i;
1360  int borderdist=0;
1361  end=1;
1362 
1363  CHECK_BIDIR2(0,0,0,1)
1364  CHECK_BIDIR2(0,0,1,0)
1365  CHECK_BIDIR2(0,1,0,0)
1366  CHECK_BIDIR2(1,0,0,0)
1367 
1368  for(i=8; i<limit; i++){
1369  int fx= motion_fx+vect[i][0];
1370  int fy= motion_fy+vect[i][1];
1371  int bx= motion_bx+vect[i][2];
1372  int by= motion_by+vect[i][3];
1373  if(borderdist<=0){
1374  int a= (xmax - FFMAX(fx,bx))|(FFMIN(fx,bx) - xmin);
1375  int b= (ymax - FFMAX(fy,by))|(FFMIN(fy,by) - ymin);
1376  if((a|b) < 0)
1377  map[(hashidx+hash[i])&255] = 1;
1378  }
1379  if(!map[(hashidx+hash[i])&255]){
1380  int score;
1381  map[(hashidx+hash[i])&255] = 1;
1382  score= check_bidir_mv(s, fx, fy, bx, by, pred_fx, pred_fy, pred_bx, pred_by, 0, 16);
1383  if(score < fbmin){
1384  hashidx += hash[i];
1385  fbmin= score;
1386  motion_fx=fx;
1387  motion_fy=fy;
1388  motion_bx=bx;
1389  motion_by=by;
1390  end=0;
1391  borderdist--;
1392  if(borderdist<=0){
1393  int a= FFMIN(xmax - FFMAX(fx,bx), FFMIN(fx,bx) - xmin);
1394  int b= FFMIN(ymax - FFMAX(fy,by), FFMIN(fy,by) - ymin);
1395  borderdist= FFMIN(a,b);
1396  }
1397  }
1398  }
1399  }
1400  }while(!end);
1401  }
1402 
1403  s->b_bidir_forw_mv_table[xy][0]= motion_fx;
1404  s->b_bidir_forw_mv_table[xy][1]= motion_fy;
1405  s->b_bidir_back_mv_table[xy][0]= motion_bx;
1406  s->b_bidir_back_mv_table[xy][1]= motion_by;
1407 
1408  return fbmin;
1409 }
1410 
1411 static inline int direct_search(MpegEncContext * s, int mb_x, int mb_y)
1412 {
1413  MotionEstContext * const c= &s->me;
1414  int P[10][2];
1415  const int mot_stride = s->mb_stride;
1416  const int mot_xy = mb_y*mot_stride + mb_x;
1417  const int shift= 1+s->quarter_sample;
1418  int dmin, i;
1419  const int time_pp= s->pp_time;
1420  const int time_pb= s->pb_time;
1421  int mx, my, xmin, xmax, ymin, ymax;
1422  int16_t (*mv_table)[2]= s->b_direct_mv_table;
1423 
1424  c->current_mv_penalty= c->mv_penalty[1] + MAX_MV;
1425  ymin= xmin=(-32)>>shift;
1426  ymax= xmax= 31>>shift;
1427 
1428  if (IS_8X8(s->next_picture.mb_type[mot_xy])) {
1429  s->mv_type= MV_TYPE_8X8;
1430  }else{
1431  s->mv_type= MV_TYPE_16X16;
1432  }
1433 
1434  for(i=0; i<4; i++){
1435  int index= s->block_index[i];
1436  int min, max;
1437 
1438  c->co_located_mv[i][0] = s->next_picture.motion_val[0][index][0];
1439  c->co_located_mv[i][1] = s->next_picture.motion_val[0][index][1];
1440  c->direct_basis_mv[i][0]= c->co_located_mv[i][0]*time_pb/time_pp + ((i& 1)<<(shift+3));
1441  c->direct_basis_mv[i][1]= c->co_located_mv[i][1]*time_pb/time_pp + ((i>>1)<<(shift+3));
1442 // c->direct_basis_mv[1][i][0]= c->co_located_mv[i][0]*(time_pb - time_pp)/time_pp + ((i &1)<<(shift+3);
1443 // c->direct_basis_mv[1][i][1]= c->co_located_mv[i][1]*(time_pb - time_pp)/time_pp + ((i>>1)<<(shift+3);
1444 
1445  max= FFMAX(c->direct_basis_mv[i][0], c->direct_basis_mv[i][0] - c->co_located_mv[i][0])>>shift;
1446  min= FFMIN(c->direct_basis_mv[i][0], c->direct_basis_mv[i][0] - c->co_located_mv[i][0])>>shift;
1447  max+= 16*mb_x + 1; // +-1 is for the simpler rounding
1448  min+= 16*mb_x - 1;
1449  xmax= FFMIN(xmax, s->width - max);
1450  xmin= FFMAX(xmin, - 16 - min);
1451 
1452  max= FFMAX(c->direct_basis_mv[i][1], c->direct_basis_mv[i][1] - c->co_located_mv[i][1])>>shift;
1453  min= FFMIN(c->direct_basis_mv[i][1], c->direct_basis_mv[i][1] - c->co_located_mv[i][1])>>shift;
1454  max+= 16*mb_y + 1; // +-1 is for the simpler rounding
1455  min+= 16*mb_y - 1;
1456  ymax= FFMIN(ymax, s->height - max);
1457  ymin= FFMAX(ymin, - 16 - min);
1458 
1459  if(s->mv_type == MV_TYPE_16X16) break;
1460  }
1461 
1462  av_assert2(xmax <= 15 && ymax <= 15 && xmin >= -16 && ymin >= -16);
1463 
1464  if(xmax < 0 || xmin >0 || ymax < 0 || ymin > 0){
1465  s->b_direct_mv_table[mot_xy][0]= 0;
1466  s->b_direct_mv_table[mot_xy][1]= 0;
1467 
1468  return 256*256*256*64;
1469  }
1470 
1471  c->xmin= xmin;
1472  c->ymin= ymin;
1473  c->xmax= xmax;
1474  c->ymax= ymax;
1475  c->flags |= FLAG_DIRECT;
1476  c->sub_flags |= FLAG_DIRECT;
1477  c->pred_x=0;
1478  c->pred_y=0;
1479 
1480  P_LEFT[0] = av_clip(mv_table[mot_xy - 1][0], xmin<<shift, xmax<<shift);
1481  P_LEFT[1] = av_clip(mv_table[mot_xy - 1][1], ymin<<shift, ymax<<shift);
1482 
1483  /* special case for first line */
1484  if (!s->first_slice_line) { //FIXME maybe allow this over thread boundary as it is clipped
1485  P_TOP[0] = av_clip(mv_table[mot_xy - mot_stride ][0], xmin<<shift, xmax<<shift);
1486  P_TOP[1] = av_clip(mv_table[mot_xy - mot_stride ][1], ymin<<shift, ymax<<shift);
1487  P_TOPRIGHT[0] = av_clip(mv_table[mot_xy - mot_stride + 1 ][0], xmin<<shift, xmax<<shift);
1488  P_TOPRIGHT[1] = av_clip(mv_table[mot_xy - mot_stride + 1 ][1], ymin<<shift, ymax<<shift);
1489 
1490  P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1491  P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1492  }
1493 
1494  dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, 0, mv_table, 1<<(16-shift), 0, 16);
1495  if(c->sub_flags&FLAG_QPEL)
1496  dmin = qpel_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
1497  else
1498  dmin = hpel_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
1499 
1500  if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip)
1501  dmin= get_mb_score(s, mx, my, 0, 0, 0, 16, 1);
1502 
1503  get_limits(s, 16*mb_x, 16*mb_y); //restore c->?min/max, maybe not needed
1504 
1505  mv_table[mot_xy][0]= mx;
1506  mv_table[mot_xy][1]= my;
1507  c->flags &= ~FLAG_DIRECT;
1508  c->sub_flags &= ~FLAG_DIRECT;
1509 
1510  return dmin;
1511 }
1512 
1514  int mb_x, int mb_y)
1515 {
1516  MotionEstContext * const c= &s->me;
1517  const int penalty_factor= c->mb_penalty_factor;
1518  int fmin, bmin, dmin, fbmin, bimin, fimin;
1519  int type=0;
1520  const int xy = mb_y*s->mb_stride + mb_x;
1522  s->next_picture.f->data, 16 * mb_x, 16 * mb_y, 2);
1523 
1524  get_limits(s, 16*mb_x, 16*mb_y);
1525 
1526  c->skip=0;
1527 
1528  if (s->codec_id == AV_CODEC_ID_MPEG4 && s->next_picture.mbskip_table[xy]) {
1529  int score= direct_search(s, mb_x, mb_y); //FIXME just check 0,0
1530 
1531  score= ((unsigned)(score*score + 128*256))>>16;
1532  c->mc_mb_var_sum_temp += score;
1533  s->current_picture.mc_mb_var[mb_y*s->mb_stride + mb_x] = score; //FIXME use SSE
1534  s->mb_type[mb_y*s->mb_stride + mb_x]= CANDIDATE_MB_TYPE_DIRECT0;
1535 
1536  return;
1537  }
1538 
1539  if (s->codec_id == AV_CODEC_ID_MPEG4)
1540  dmin= direct_search(s, mb_x, mb_y);
1541  else
1542  dmin= INT_MAX;
1543 //FIXME penalty stuff for non mpeg4
1544  c->skip=0;
1545  fmin = estimate_motion_b(s, mb_x, mb_y, s->b_forw_mv_table, 0, s->f_code) +
1546  3 * penalty_factor;
1547 
1548  c->skip=0;
1549  bmin = estimate_motion_b(s, mb_x, mb_y, s->b_back_mv_table, 2, s->b_code) +
1550  2 * penalty_factor;
1551  ff_dlog(s, " %d %d ", s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1]);
1552 
1553  c->skip=0;
1554  fbmin= bidir_refine(s, mb_x, mb_y) + penalty_factor;
1555  ff_dlog(s, "%d %d %d %d\n", dmin, fmin, bmin, fbmin);
1556 
1557  if (s->avctx->flags & CODEC_FLAG_INTERLACED_ME) {
1558 //FIXME mb type penalty
1559  c->skip=0;
1561  fimin= interlaced_search(s, 0,
1563  s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1], 0);
1565  bimin= interlaced_search(s, 2,
1567  s->b_back_mv_table[xy][0], s->b_back_mv_table[xy][1], 0);
1568  }else
1569  fimin= bimin= INT_MAX;
1570 
1571  {
1572  int score= fmin;
1574 
1575  if (dmin <= score){
1576  score = dmin;
1577  type = CANDIDATE_MB_TYPE_DIRECT;
1578  }
1579  if(bmin<score){
1580  score=bmin;
1582  }
1583  if(fbmin<score){
1584  score=fbmin;
1586  }
1587  if(fimin<score){
1588  score=fimin;
1590  }
1591  if(bimin<score){
1592  score=bimin;
1594  }
1595 
1596  score= ((unsigned)(score*score + 128*256))>>16;
1597  c->mc_mb_var_sum_temp += score;
1598  s->current_picture.mc_mb_var[mb_y*s->mb_stride + mb_x] = score; //FIXME use SSE
1599  }
1600 
1603  if(fimin < INT_MAX)
1605  if(bimin < INT_MAX)
1607  if(fimin < INT_MAX && bimin < INT_MAX){
1608  type |= CANDIDATE_MB_TYPE_BIDIR_I;
1609  }
1610  //FIXME something smarter
1611  if(dmin>256*256*16) type&= ~CANDIDATE_MB_TYPE_DIRECT; //do not try direct mode if it is invalid for this MB
1613  s->mpv_flags & FF_MPV_FLAG_MV0 && *(uint32_t*)s->b_direct_mv_table[xy])
1614  type |= CANDIDATE_MB_TYPE_DIRECT0;
1615  }
1616 
1617  s->mb_type[mb_y*s->mb_stride + mb_x]= type;
1618 }
1619 
1620 /* find best f_code for ME which do unlimited searches */
1621 int ff_get_best_fcode(MpegEncContext * s, int16_t (*mv_table)[2], int type)
1622 {
1623  if(s->me_method>=ME_EPZS){
1624  int score[8];
1625  int i, y, range= s->avctx->me_range ? s->avctx->me_range : (INT_MAX/2);
1626  uint8_t * fcode_tab= s->fcode_tab;
1627  int best_fcode=-1;
1628  int best_score=-10000000;
1629 
1630  if(s->msmpeg4_version)
1631  range= FFMIN(range, 16);
1633  range= FFMIN(range, 256);
1634 
1635  for(i=0; i<8; i++) score[i]= s->mb_num*(8-i);
1636 
1637  for(y=0; y<s->mb_height; y++){
1638  int x;
1639  int xy= y*s->mb_stride;
1640  for(x=0; x<s->mb_width; x++){
1641  if(s->mb_type[xy] & type){
1642  int mx= mv_table[xy][0];
1643  int my= mv_table[xy][1];
1644  int fcode= FFMAX(fcode_tab[mx + MAX_MV],
1645  fcode_tab[my + MAX_MV]);
1646  int j;
1647 
1648  if(mx >= range || mx < -range ||
1649  my >= range || my < -range)
1650  continue;
1651 
1652  for(j=0; j<fcode && j<8; j++){
1654  score[j]-= 170;
1655  }
1656  }
1657  xy++;
1658  }
1659  }
1660 
1661  for(i=1; i<8; i++){
1662  if(score[i] > best_score){
1663  best_score= score[i];
1664  best_fcode= i;
1665  }
1666  }
1667 
1668  return best_fcode;
1669  }else{
1670  return 1;
1671  }
1672 }
1673 
1675 {
1676  MotionEstContext * const c= &s->me;
1677  const int f_code= s->f_code;
1678  int y, range;
1680 
1681  range = (((s->out_format == FMT_MPEG1 || s->msmpeg4_version) ? 8 : 16) << f_code);
1682 
1683  av_assert0(range <= 16 || !s->msmpeg4_version);
1685 
1686  if(c->avctx->me_range && range > c->avctx->me_range) range= c->avctx->me_range;
1687 
1688  if (s->avctx->flags & CODEC_FLAG_4MV) {
1689  const int wrap= s->b8_stride;
1690 
1691  /* clip / convert to intra 8x8 type MVs */
1692  for(y=0; y<s->mb_height; y++){
1693  int xy= y*2*wrap;
1694  int i= y*s->mb_stride;
1695  int x;
1696 
1697  for(x=0; x<s->mb_width; x++){
1699  int block;
1700  for(block=0; block<4; block++){
1701  int off= (block& 1) + (block>>1)*wrap;
1702  int mx = s->current_picture.motion_val[0][ xy + off ][0];
1703  int my = s->current_picture.motion_val[0][ xy + off ][1];
1704 
1705  if( mx >=range || mx <-range
1706  || my >=range || my <-range){
1707  s->mb_type[i] &= ~CANDIDATE_MB_TYPE_INTER4V;
1710  }
1711  }
1712  }
1713  xy+=2;
1714  i++;
1715  }
1716  }
1717  }
1718 }
1719 
1720 /**
1721  *
1722  * @param truncate 1 for truncation, 0 for using intra
1723  */
1724 void ff_fix_long_mvs(MpegEncContext * s, uint8_t *field_select_table, int field_select,
1725  int16_t (*mv_table)[2], int f_code, int type, int truncate)
1726 {
1727  MotionEstContext * const c= &s->me;
1728  int y, h_range, v_range;
1729 
1730  // RAL: 8 in MPEG-1, 16 in MPEG-4
1731  int range = (((s->out_format == FMT_MPEG1 || s->msmpeg4_version) ? 8 : 16) << f_code);
1732 
1733  if(c->avctx->me_range && range > c->avctx->me_range) range= c->avctx->me_range;
1734 
1735  h_range= range;
1736  v_range= field_select_table ? range>>1 : range;
1737 
1738  /* clip / convert to intra 16x16 type MVs */
1739  for(y=0; y<s->mb_height; y++){
1740  int x;
1741  int xy= y*s->mb_stride;
1742  for(x=0; x<s->mb_width; x++){
1743  if (s->mb_type[xy] & type){ // RAL: "type" test added...
1744  if (!field_select_table || field_select_table[xy] == field_select) {
1745  if( mv_table[xy][0] >=h_range || mv_table[xy][0] <-h_range
1746  || mv_table[xy][1] >=v_range || mv_table[xy][1] <-v_range){
1747 
1748  if(truncate){
1749  if (mv_table[xy][0] > h_range-1) mv_table[xy][0]= h_range-1;
1750  else if(mv_table[xy][0] < -h_range ) mv_table[xy][0]= -h_range;
1751  if (mv_table[xy][1] > v_range-1) mv_table[xy][1]= v_range-1;
1752  else if(mv_table[xy][1] < -v_range ) mv_table[xy][1]= -v_range;
1753  }else{
1754  s->mb_type[xy] &= ~type;
1755  s->mb_type[xy] |= CANDIDATE_MB_TYPE_INTRA;
1756  mv_table[xy][0]=
1757  mv_table[xy][1]= 0;
1758  }
1759  }
1760  }
1761  }
1762  xy++;
1763  }
1764  }
1765 }
uint8_t * scratchpad
data area for the ME algo, so that the ME does not need to malloc/free.
Definition: motion_est.h:42
static int minima_cmp(const void *a, const void *b)
Definition: motion_est.c:72
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:285
#define NULL
Definition: coverity.c:32
static unsigned update_map_generation(MotionEstContext *c)
Definition: motion_est.c:55
void ff_estimate_b_frame_motion(MpegEncContext *s, int mb_x, int mb_y)
Definition: motion_est.c:1513
qpel_mc_func avg_qpel_pixels_tab[2][16]
Definition: qpeldsp.h:74
const char * s
Definition: avisynth_c.h:631
#define P
#define CANDIDATE_MB_TYPE_SKIPPED
Definition: mpegutils.h:103
static int shift(int a, int b)
Definition: sonic.c:82
static av_always_inline void mv_scale(Mv *dst, Mv *src, int td, int tb)
Definition: hevc_mvs.c:114
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)
#define P_TOPRIGHT
Definition: motion_est.c:43
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:1199
int skip
set if ME is skipped for the current MB
Definition: motion_est.h:39
int16_t(* p_mv_table)[2]
MV table (1MV per MB) p-frame encoding.
Definition: mpegvideo.h:317
static void get_limits(MpegEncContext *s, int x, int y)
get fullpel ME search limits.
Definition: motion_est.c:529
uint8_t * fcode_tab
smallest fcode needed for each MV
Definition: mpegvideo.h:346
void ff_estimate_p_frame_motion(MpegEncContext *s, int mb_x, int mb_y)
Definition: motion_est.c:889
uint8_t * mb_mean
Table for MB luminance.
Definition: mpegvideo.h:118
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:565
#define FF_CMP_NSSE
Definition: avcodec.h:1659
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:41
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: mpegvideo.h:109
#define MAX_MV
Definition: motion_est.h:32
uint8_t * current_mv_penalty
Definition: motion_est.h:84
int msmpeg4_version
0=not msmpeg4, 1=mp41, 2=mp42, 3=mp43/divx3 4=wmv1/7 5=wmv2/8
Definition: mpegvideo.h:499
#define CANDIDATE_MB_TYPE_BIDIR
Definition: mpegutils.h:108
enum AVCodecID codec_id
Definition: mpegvideo.h:181
const char * b
Definition: vf_curves.c:109
enhanced predictive zonal search
Definition: avcodec.h:649
#define FF_CMP_SSE
Definition: avcodec.h:1650
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:231
int sub_penalty_factor
Definition: motion_est.h:57
int16_t(*[2][2] p_field_mv_table)[2]
MV table (2MV per MB) interlaced p-frame encoding.
Definition: mpegvideo.h:323
static int bidir_refine(MpegEncContext *s, int mb_x, int mb_y)
Definition: motion_est.c:1264
mpegvideo header.
int pre_penalty_factor
Definition: motion_est.h:51
int scene_change_score
Definition: motion_est.h:77
int mpv_flags
flags set by private options
Definition: mpegvideo.h:586
int mb_num
number of MBs of a picture
Definition: mpegvideo.h:202
#define FF_LAMBDA_SHIFT
Definition: avutil.h:218
QpelDSPContext qdsp
Definition: mpegvideo.h:304
me_cmp_func me_pre_cmp[6]
Definition: me_cmp.h:71
int qscale
QP.
Definition: mpegvideo.h:273
int16_t(* b_back_mv_table)[2]
MV table (1MV per MB) backward mode b-frame encoding.
Definition: mpegvideo.h:319
#define P_MV1
Definition: motion_est.c:45
uint8_t * ref[4][4]
Definition: motion_est.h:71
#define FF_CMP_RD
Definition: avcodec.h:1655
#define CODEC_FLAG_QPEL
Use qpel MC.
Definition: avcodec.h:715
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:247
#define CANDIDATE_MB_TYPE_INTER
Definition: mpegutils.h:101
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37
static int zero_cmp(MpegEncContext *s, uint8_t *a, uint8_t *b, ptrdiff_t stride, int h)
Definition: motion_est.c:297
int y
Definition: motion_est.c:68
#define FF_CMP_W53
Definition: avcodec.h:1660
op_pixels_func(* hpel_put)[4]
Definition: motion_est.h:79
uint8_t
#define av_assert2(cond)
assert() equivalent, that does lie in speed critical code.
Definition: avassert.h:63
me_cmp_func mb_cmp[6]
Definition: me_cmp.h:74
#define CANDIDATE_MB_TYPE_INTER4V
Definition: mpegutils.h:102
enum OutputFormat out_format
output format
Definition: mpegvideo.h:173
int me_range
maximum motion estimation search range in subpel units If 0 then no limit.
Definition: avcodec.h:1735
#define CANDIDATE_MB_TYPE_FORWARD_I
Definition: mpegutils.h:111
#define FLAG_DIRECT
Definition: motion_est.c:81
static av_cold int end(AVCodecContext *avctx)
Definition: avrndec.c:67
int pre_dia_size
ME prepass diamond size & shape.
Definition: avcodec.h:1699
Motion estimation context.
Definition: motion_est.h:37
qpel_mc_func(* qpel_put)[16]
Definition: motion_est.h:81
int no_rounding
apply no rounding to motion compensation (MPEG4, msmpeg4, ...) for b-frames rounding mode is always 0...
Definition: mpegvideo.h:351
#define CANDIDATE_MB_TYPE_BACKWARD_I
Definition: mpegutils.h:112
int me_cmp
motion estimation comparison function
Definition: avcodec.h:1630
Picture current_picture
copy of the current picture structure.
Definition: mpegvideo.h:249
#define FF_CMP_CHROMA
Definition: avcodec.h:1664
int16_t(* b_bidir_forw_mv_table)[2]
MV table (1MV per MB) bidir mode b-frame encoding.
Definition: mpegvideo.h:320
uint8_t(* mv_penalty)[MAX_MV *2+1]
bit amount needed to encode a MV
Definition: motion_est.h:83
static int get_flags(MotionEstContext *c, int direct, int chroma)
Definition: motion_est.c:101
uint16_t pp_time
time distance between the last 2 p,s,i frames
Definition: mpegvideo.h:455
op_pixels_func(* hpel_avg)[4]
Definition: motion_est.h:80
int mb_height
number of MBs horizontally & vertically
Definition: mpegvideo.h:198
ptrdiff_t size
Definition: opengl_enc.c:101
#define CHECK_BIDIR2(a, b, c, d)
#define av_log(a,...)
#define ff_sqrt
Definition: mathops.h:215
#define FF_MPV_FLAG_MV0
Definition: mpegvideo.h:624
no search, that is use 0,0 vector whenever one is needed
Definition: avcodec.h:645
reserved for experiments
Definition: avcodec.h:650
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
uint8_t * mbskip_table
Definition: mpegvideo.h:103
int height
Definition: motion_est.c:67
#define CODEC_FLAG_INTERLACED_ME
interlaced motion estimation
Definition: avcodec.h:763
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
#define FF_CMP_W97
Definition: avcodec.h:1661
int me_sub_cmp
subpixel motion estimation comparison function
Definition: avcodec.h:1636
#define FF_CMP_BIT
Definition: avcodec.h:1654
#define FF_CMP_DCT
Definition: avcodec.h:1652
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:292
const char * r
Definition: vf_curves.c:107
static int get_penalty_factor(int lambda, int lambda2, int type)
Definition: motion_est.c:865
#define P_MEDIAN
Definition: motion_est.c:44
#define FF_COMPLIANCE_NORMAL
Definition: avcodec.h:2546
int flags
CODEC_FLAG_*.
Definition: avcodec.h:1335
#define wrap(func)
Definition: neontest.h:62
static void init_interlaced_ref(MpegEncContext *s, int ref_index)
Definition: motion_est.c:730
MpegvideoEncDSPContext mpvencdsp
Definition: mpegvideo.h:302
int quarter_sample
1->qpel, 0->half pel ME/MC
Definition: mpegvideo.h:464
uint16_t * mb_type
Table for candidate MB types for encoding (defines in mpegutils.h)
Definition: mpegvideo.h:358
qpel_mc_func put_qpel_pixels_tab[2][16]
Definition: qpeldsp.h:73
uint8_t *[2][2] b_field_select_table
Definition: mpegvideo.h:326
static const uint8_t offset[127][2]
Definition: vf_spp.c:92
#define FFMAX(a, b)
Definition: common.h:64
#define FF_CMP_PSNR
Definition: avcodec.h:1653
Libavcodec external API header.
int64_t mb_var_sum_temp
Definition: motion_est.h:76
int checked
Definition: motion_est.c:69
uint8_t * src[4][4]
Definition: motion_est.h:70
#define FLAG_CHROMA
Definition: motion_est.c:80
Motion estimation template.
#define av_assert1(cond)
assert() equivalent, that does not lie in speed critical code.
Definition: avassert.h:53
#define FLAG_QPEL
Definition: motion_est.c:79
#define FFMIN(a, b)
Definition: common.h:66
float y
#define ME_MAP_SHIFT
Definition: motion_est.c:47
int me_method
ME algorithm.
Definition: mpegvideo.h:327
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:237
Picture new_picture
copy of the source picture structure for encoding.
Definition: mpegvideo.h:243
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:42
int(* pix_sum)(uint8_t *pix, int line_size)
int16_t(*[2] motion_val)[2]
Definition: mpegvideo.h:97
Picture.
Definition: mpegvideo.h:89
unsigned map_generation
Definition: motion_est.h:50
#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:743
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:260
MotionEstContext me
Definition: mpegvideo.h:349
int(* me_cmp_func)(struct MpegEncContext *c, uint8_t *blk1, uint8_t *blk2, ptrdiff_t stride, int h)
Definition: me_cmp.h:48
int mb_decision
macroblock decision mode
Definition: avcodec.h:1777
#define ME_MAP_SIZE
Definition: mpegvideo.h:68
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:107
int block_index[6]
index to current MB in block based arrays with edges
Definition: mpegvideo.h:360
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:52
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:1127
#define HASH8(fx, fy, bx, by)
#define MV_TYPE_16X16
1 vector for the whole mb
Definition: mpegvideo.h:333
int first_slice_line
used in mpeg4 too to handle resync markers
Definition: mpegvideo.h:497
static struct AVHashContext * hash
Definition: ffprobe.c:216
uint16_t * mc_mb_var
Table for motion compensated MB variances.
Definition: mpegvideo.h:112
int bidir_refine
Definition: avcodec.h:1880
#define AV_LOG_INFO
Standard information.
Definition: log.h:187
AVS_Value src
Definition: avisynth_c.h:482
unsigned int lambda2
(lambda*lambda) >> FF_LAMBDA_SHIFT
Definition: mpegvideo.h:276
#define ff_dlog(ctx,...)
Definition: internal.h:54
ptrdiff_t linesize
line size, in bytes, may be different from width
Definition: mpegvideo.h:203
AVCodecContext * avctx
Definition: motion_est.h:38
enum AVCodecID codec_id
Definition: avcodec.h:1258
void ff_set_cmp(MECmpContext *c, me_cmp_func *cmp, int type)
Definition: me_cmp.c:370
#define CHECK_SAD_HALF_MV(suffix, x, y)
Definition: motion_est.c:390
int(* cmp_func)(const void *, const void *)
int height
picture size. must be a multiple of 16
Definition: mpegvideo.h:169
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:1411
GLint GLenum type
Definition: opengl_enc.c:105
void ff_fix_long_p_mvs(MpegEncContext *s)
Definition: motion_est.c:1674
op_pixels_func put_no_rnd_pixels_tab[4][4]
Halfpel motion compensation with no rounding (a+b)>>1.
Definition: hpeldsp.h:80
int16_t(*[2][2][2] b_field_mv_table)[2]
MV table (4MV per MB) interlaced b-frame encoding.
Definition: mpegvideo.h:324
int(* pix_norm1)(uint8_t *pix, int line_size)
int index
Definition: gxfenc.c:89
#define CANDIDATE_MB_TYPE_DIRECT
Definition: mpegutils.h:105
struct AVFrame * f
Definition: mpegvideo.h:90
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:107
#define mid_pred
Definition: mathops.h:96
ptrdiff_t uvlinesize
line size, for chroma in bytes, may be different from width
Definition: mpegvideo.h:204
#define MAX_SAB_SIZE
static int ff_h263_round_chroma(int x)
Definition: motion_est.h:91
#define CANDIDATE_MB_TYPE_BIDIR_I
Definition: mpegutils.h:113
int f_code
forward MV resolution
Definition: mpegvideo.h:307
int ff_pre_estimate_p_frame_motion(MpegEncContext *s, int mb_x, int mb_y)
Definition: motion_est.c:1074
#define CANDIDATE_MB_TYPE_DIRECT0
Definition: mpegutils.h:115
#define ME_MAP_MV_BITS
Definition: motion_est.c:48
int pict_type
AV_PICTURE_TYPE_I, AV_PICTURE_TYPE_P, AV_PICTURE_TYPE_B, ...
Definition: mpegvideo.h:281
static void set_p_mv_tables(MpegEncContext *s, int mx, int my, int mv4)
Definition: motion_est.c:502
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:397
int16_t(* b_bidir_back_mv_table)[2]
MV table (1MV per MB) bidir mode b-frame encoding.
Definition: mpegvideo.h:321
me_cmp_func me_cmp[6]
Definition: me_cmp.h:72
int ff_init_me(MpegEncContext *s)
Definition: motion_est.c:306
static int flags
Definition: cpu.c:47
uint8_t *[2] p_field_select_table
Definition: mpegvideo.h:325
int16_t(* b_direct_mv_table)[2]
MV table (1MV per MB) direct mode b-frame encoding.
Definition: mpegvideo.h:322
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:182
#define av_builtin_constant_p
Definition: attributes.h:147
qpel_mc_func(* qpel_avg)[16]
Definition: motion_est.h:82
#define FF_MB_DECISION_SIMPLE
uses mb_cmp
Definition: avcodec.h:1778
int64_t mc_mb_var_sum_temp
Definition: motion_est.h:75
int16_t(* b_forw_mv_table)[2]
MV table (1MV per MB) forward mode b-frame encoding.
Definition: mpegvideo.h:318
static void zero_hpel(uint8_t *a, const uint8_t *b, ptrdiff_t stride, int h)
Definition: motion_est.c:303
int b8_stride
2*mb_width+1 used for some 8x8 block arrays to allow simple addressing
Definition: mpegvideo.h:200
me_cmp_func sse[6]
Definition: me_cmp.h:57
MpegEncContext.
Definition: mpegvideo.h:150
struct AVCodecContext * avctx
Definition: mpegvideo.h:167
#define FF_CMP_DCT264
Definition: avcodec.h:1663
#define FF_CMP_SAD
Definition: avcodec.h:1649
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
GLint GLenum GLboolean GLsizei stride
Definition: opengl_enc.c:105
int mb_cmp
macroblock comparison function (not supported yet)
Definition: avcodec.h:1642
MECmpContext mecc
Definition: mpegvideo.h:300
int direct_basis_mv[4][2]
Definition: motion_est.h:41
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:199
#define CANDIDATE_MB_TYPE_FORWARD
Definition: mpegutils.h:106
static double c[64]
Picture last_picture
copy of the previous picture structure.
Definition: mpegvideo.h:231
Bi-dir predicted.
Definition: avutil.h:269
int co_located_mv[4][2]
mv from last P-frame for direct mode ME
Definition: motion_est.h:40
me_cmp_func me_sub_cmp[6]
Definition: me_cmp.h:73
uint32_t * map
map to avoid duplicate evaluations
Definition: motion_est.h:48
static int h263_mv4_search(MpegEncContext *s, int mx, int my, int shift)
Definition: motion_est.c:576
#define CANDIDATE_MB_TYPE_INTRA
Definition: mpegutils.h:100
int dia_size
ME diamond size & shape.
Definition: avcodec.h:1671
#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:83
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:275
int ff_get_best_fcode(MpegEncContext *s, int16_t(*mv_table)[2], int type)
Definition: motion_est.c:1621
Picture next_picture
copy of the next picture structure.
Definition: mpegvideo.h:237
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:1724
#define FF_CMP_SATD
Definition: avcodec.h:1651
uint32_t * mb_type
types and macros are defined in mpegutils.h
Definition: mpegvideo.h:100
#define av_always_inline
Definition: attributes.h:37
uint8_t * temp
Definition: motion_est.h:46
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:179
#define CANDIDATE_MB_TYPE_BACKWARD
Definition: mpegutils.h:107
#define stride
#define MV_TYPE_8X8
4 vectors (h263, mpeg4 4MV)
Definition: mpegvideo.h:334
int b_code
backward MV resolution for B Frames (mpeg4)
Definition: mpegvideo.h:308
#define CODEC_FLAG_4MV
4 MV per MB allowed / advanced prediction for H.263.
Definition: avcodec.h:713
int me_pre_cmp
motion estimation prepass comparison function
Definition: avcodec.h:1692
float min
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:85
int x
Definition: motion_est.c:68
int strict_std_compliance
strictly follow the standard (MPEG4, ...).
Definition: avcodec.h:2543
Predicted.
Definition: avutil.h:268
unsigned int lambda
lagrange multipler used in rate distortion
Definition: mpegvideo.h:275
#define HASH(fx, fy, bx, by)
uint16_t pb_time
time distance between the last b and p,s,i frame
Definition: mpegvideo.h:456
HpelDSPContext hdsp
Definition: mpegvideo.h:298
static int16_t block[64]
Definition: dct-test.c:110