3 * Copyright (c) 2000,2001 Fabrice Bellard.
4 * Copyright (c) 2002-2004 Michael Niedermayer
6 * new motion estimation (X1/EPZS) by Michael Niedermayer <michaelni@gmx.at>
8 * This file is part of FFmpeg.
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.
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.
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
35 #include "mpegvideo.h"
40 #define SQ(a) ((a)*(a))
44 #define P_TOPRIGHT P[3]
48 static inline int sad_hpel_motion_search(MpegEncContext * s,
49 int *mx_ptr, int *my_ptr, int dmin,
50 int src_index, int ref_index,
53 static inline int update_map_generation(MotionEstContext *c)
55 c->map_generation+= 1<<(ME_MAP_MV_BITS*2);
56 if(c->map_generation==0){
57 c->map_generation= 1<<(ME_MAP_MV_BITS*2);
58 memset(c->map, 0, sizeof(uint32_t)*ME_MAP_SIZE);
60 return c->map_generation;
63 /* shape adaptive search stuff */
64 typedef struct Minima{
70 static int minima_cmp(const void *a, const void *b){
71 const Minima *da = (const Minima *) a;
72 const Minima *db = (const Minima *) b;
74 return da->height - db->height;
77 #define FLAG_QPEL 1 //must be 1
81 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){
82 const int offset[3]= {
84 ((y*c->uvstride + x)>>1),
85 ((y*c->uvstride + x)>>1),
89 c->src[0][i]= src [i] + offset[i];
90 c->ref[0][i]= ref [i] + offset[i];
94 c->ref[ref_index][i]= ref2[i] + offset[i];
99 static int get_flags(MotionEstContext *c, int direct, int chroma){
100 return ((c->avctx->flags&CODEC_FLAG_QPEL) ? FLAG_QPEL : 0)
101 + (direct ? FLAG_DIRECT : 0)
102 + (chroma ? FLAG_CHROMA : 0);
105 /*! \brief compares a block (either a full macroblock or a partition thereof)
106 against a proposed motion-compensated prediction of that block
108 static av_always_inline int cmp(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, const int flags){
111 MotionEstContext * const c= &s->me;
112 const int stride= c->stride;
113 const int uvstride= c->uvstride;
114 const int qpel= flags&FLAG_QPEL;
115 const int chroma= flags&FLAG_CHROMA;
116 const int dxy= subx + (suby<<(1+qpel)); //FIXME log2_subpel?
117 const int hx= subx + (x<<(1+qpel));
118 const int hy= suby + (y<<(1+qpel));
119 uint8_t * const * const ref= c->ref[ref_index];
120 uint8_t * const * const src= c->src[src_index];
122 //FIXME check chroma 4mv, (no crashes ...)
123 if(flags&FLAG_DIRECT){
124 assert(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1));
125 if(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1)){
126 const int time_pp= s->pp_time;
127 const int time_pb= s->pb_time;
128 const int mask= 2*qpel+1;
129 if(s->mv_type==MV_TYPE_8X8){
132 int fx = c->direct_basis_mv[i][0] + hx;
133 int fy = c->direct_basis_mv[i][1] + hy;
134 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));
135 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));
136 int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));
137 int bxy= (bx&mask) + ((by&mask)<<(qpel+1));
139 uint8_t *dst= c->temp + 8*(i&1) + 8*stride*(i>>1);
141 c->qpel_put[1][fxy](dst, ref[0] + (fx>>2) + (fy>>2)*stride, stride);
142 c->qpel_avg[1][bxy](dst, ref[8] + (bx>>2) + (by>>2)*stride, stride);
144 c->hpel_put[1][fxy](dst, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 8);
145 c->hpel_avg[1][bxy](dst, ref[8] + (bx>>1) + (by>>1)*stride, stride, 8);
149 int fx = c->direct_basis_mv[0][0] + hx;
150 int fy = c->direct_basis_mv[0][1] + hy;
151 int bx = hx ? fx - c->co_located_mv[0][0] : (c->co_located_mv[0][0]*(time_pb - time_pp)/time_pp);
152 int by = hy ? fy - c->co_located_mv[0][1] : (c->co_located_mv[0][1]*(time_pb - time_pp)/time_pp);
153 int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));
154 int bxy= (bx&mask) + ((by&mask)<<(qpel+1));
157 c->qpel_put[1][fxy](c->temp , ref[0] + (fx>>2) + (fy>>2)*stride , stride);
158 c->qpel_put[1][fxy](c->temp + 8 , ref[0] + (fx>>2) + (fy>>2)*stride + 8 , stride);
159 c->qpel_put[1][fxy](c->temp + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8*stride, stride);
160 c->qpel_put[1][fxy](c->temp + 8 + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8 + 8*stride, stride);
161 c->qpel_avg[1][bxy](c->temp , ref[8] + (bx>>2) + (by>>2)*stride , stride);
162 c->qpel_avg[1][bxy](c->temp + 8 , ref[8] + (bx>>2) + (by>>2)*stride + 8 , stride);
163 c->qpel_avg[1][bxy](c->temp + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8*stride, stride);
164 c->qpel_avg[1][bxy](c->temp + 8 + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8 + 8*stride, stride);
166 assert((fx>>1) + 16*s->mb_x >= -16);
167 assert((fy>>1) + 16*s->mb_y >= -16);
168 assert((fx>>1) + 16*s->mb_x <= s->width);
169 assert((fy>>1) + 16*s->mb_y <= s->height);
170 assert((bx>>1) + 16*s->mb_x >= -16);
171 assert((by>>1) + 16*s->mb_y >= -16);
172 assert((bx>>1) + 16*s->mb_x <= s->width);
173 assert((by>>1) + 16*s->mb_y <= s->height);
175 c->hpel_put[0][fxy](c->temp, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 16);
176 c->hpel_avg[0][bxy](c->temp, ref[8] + (bx>>1) + (by>>1)*stride, stride, 16);
179 d = cmp_func(s, c->temp, src[0], stride, 16);
183 int uvdxy; /* no, it might not be used uninitialized */
186 c->qpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride); //FIXME prototype (add h)
192 uvdxy= (cx&1) + 2*(cy&1);
193 //FIXME x/y wrong, but mpeg4 qpel is sick anyway, we should drop as much of it as possible in favor for h264
196 c->hpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride, h);
198 uvdxy= dxy | (x&1) | (2*(y&1));
200 d = cmp_func(s, c->temp, src[0], stride, h);
202 d = cmp_func(s, src[0], ref[0] + x + y*stride, stride, h);
204 uvdxy= (x&1) + 2*(y&1);
207 uint8_t * const uvtemp= c->temp + 16*stride;
208 c->hpel_put[size+1][uvdxy](uvtemp , ref[1] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1);
209 c->hpel_put[size+1][uvdxy](uvtemp+8, ref[2] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1);
210 d += chroma_cmp_func(s, uvtemp , src[1], uvstride, h>>1);
211 d += chroma_cmp_func(s, uvtemp+8, src[2], uvstride, h>>1);
216 const int index= (((y)<<ME_MAP_SHIFT) + (x))&(ME_MAP_SIZE-1);
220 d += (c->mv_penalty[hx - c->pred_x] + c->mv_penalty[hy - c->pred_y])*c->penalty_factor;
225 #include "motion_est_template.c"
227 static int zero_cmp(void *s, uint8_t *a, uint8_t *b, int stride, int h){
231 static void zero_hpel(uint8_t *a, const uint8_t *b, int stride, int h){
234 int ff_init_me(MpegEncContext *s){
235 MotionEstContext * const c= &s->me;
236 int cache_size= FFMIN(ME_MAP_SIZE>>ME_MAP_SHIFT, 1<<ME_MAP_SHIFT);
237 int dia_size= FFMAX(FFABS(s->avctx->dia_size)&255, FFABS(s->avctx->pre_dia_size)&255);
239 if(FFMIN(s->avctx->dia_size, s->avctx->pre_dia_size) < -ME_MAP_SIZE){
240 av_log(s->avctx, AV_LOG_ERROR, "ME_MAP size is too small for SAB diamond\n");
246 if(cache_size < 2*dia_size && !c->stride){
247 av_log(s->avctx, AV_LOG_INFO, "ME_MAP size may be a little small for the selected diamond size\n");
250 ff_set_cmp(&s->dsp, s->dsp.me_pre_cmp, c->avctx->me_pre_cmp);
251 ff_set_cmp(&s->dsp, s->dsp.me_cmp, c->avctx->me_cmp);
252 ff_set_cmp(&s->dsp, s->dsp.me_sub_cmp, c->avctx->me_sub_cmp);
253 ff_set_cmp(&s->dsp, s->dsp.mb_cmp, c->avctx->mb_cmp);
255 c->flags = get_flags(c, 0, c->avctx->me_cmp &FF_CMP_CHROMA);
256 c->sub_flags= get_flags(c, 0, c->avctx->me_sub_cmp&FF_CMP_CHROMA);
257 c->mb_flags = get_flags(c, 0, c->avctx->mb_cmp &FF_CMP_CHROMA);
259 /*FIXME s->no_rounding b_type*/
260 if(s->flags&CODEC_FLAG_QPEL){
261 c->sub_motion_search= qpel_motion_search;
262 c->qpel_avg= s->dsp.avg_qpel_pixels_tab;
263 if(s->no_rounding) c->qpel_put= s->dsp.put_no_rnd_qpel_pixels_tab;
264 else c->qpel_put= s->dsp.put_qpel_pixels_tab;
266 if(c->avctx->me_sub_cmp&FF_CMP_CHROMA)
267 c->sub_motion_search= hpel_motion_search;
268 else if( c->avctx->me_sub_cmp == FF_CMP_SAD
269 && c->avctx-> me_cmp == FF_CMP_SAD
270 && c->avctx-> mb_cmp == FF_CMP_SAD)
271 c->sub_motion_search= sad_hpel_motion_search; // 2050 vs. 2450 cycles
273 c->sub_motion_search= hpel_motion_search;
275 c->hpel_avg= s->dsp.avg_pixels_tab;
276 if(s->no_rounding) c->hpel_put= s->dsp.put_no_rnd_pixels_tab;
277 else c->hpel_put= s->dsp.put_pixels_tab;
280 c->stride = s->linesize;
281 c->uvstride= s->uvlinesize;
283 c->stride = 16*s->mb_width + 32;
284 c->uvstride= 8*s->mb_width + 16;
287 /* 8x8 fullpel search would need a 4x4 chroma compare, which we do
288 * not have yet, and even if we had, the motion estimation code
289 * does not expect it. */
290 if(s->codec_id != CODEC_ID_SNOW){
291 if((c->avctx->me_cmp&FF_CMP_CHROMA)/* && !s->dsp.me_cmp[2]*/){
292 s->dsp.me_cmp[2]= zero_cmp;
294 if((c->avctx->me_sub_cmp&FF_CMP_CHROMA) && !s->dsp.me_sub_cmp[2]){
295 s->dsp.me_sub_cmp[2]= zero_cmp;
297 c->hpel_put[2][0]= c->hpel_put[2][1]=
298 c->hpel_put[2][2]= c->hpel_put[2][3]= zero_hpel;
301 if(s->codec_id == CODEC_ID_H261){
302 c->sub_motion_search= no_sub_motion_search;
305 c->temp= c->scratchpad;
311 static int pix_dev(uint8_t * pix, int line_size, int mean)
316 for (i = 0; i < 16; i++) {
317 for (j = 0; j < 16; j += 8) {
318 s += FFABS(pix[0]-mean);
319 s += FFABS(pix[1]-mean);
320 s += FFABS(pix[2]-mean);
321 s += FFABS(pix[3]-mean);
322 s += FFABS(pix[4]-mean);
323 s += FFABS(pix[5]-mean);
324 s += FFABS(pix[6]-mean);
325 s += FFABS(pix[7]-mean);
328 pix += line_size - 16;
334 static inline void no_motion_search(MpegEncContext * s,
335 int *mx_ptr, int *my_ptr)
337 *mx_ptr = 16 * s->mb_x;
338 *my_ptr = 16 * s->mb_y;
341 #define Z_THRESHOLD 256
343 #define CHECK_SAD_HALF_MV(suffix, x, y) \
345 d= s->dsp.pix_abs[size][(x?1:0)+(y?2:0)](NULL, pix, ptr+((x)>>1), stride, h);\
346 d += (mv_penalty[pen_x + x] + mv_penalty[pen_y + y])*penalty_factor;\
347 COPY3_IF_LT(dminh, d, dx, x, dy, y)\
350 static inline int sad_hpel_motion_search(MpegEncContext * s,
351 int *mx_ptr, int *my_ptr, int dmin,
352 int src_index, int ref_index,
355 MotionEstContext * const c= &s->me;
356 const int penalty_factor= c->sub_penalty_factor;
359 int stride= c->stride;
360 const int flags= c->sub_flags;
373 pix = c->src[src_index][0];
377 ptr = c->ref[ref_index][0] + (my * stride) + mx;
381 if (mx > xmin && mx < xmax &&
382 my > ymin && my < ymax) {
385 const int index= (my<<ME_MAP_SHIFT) + mx;
386 const int t= score_map[(index-(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)];
387 const int l= score_map[(index- 1 )&(ME_MAP_SIZE-1)];
388 const int r= score_map[(index+ 1 )&(ME_MAP_SIZE-1)];
389 const int b= score_map[(index+(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)];
399 CHECK_SAD_HALF_MV(y2 , 0, -1)
401 CHECK_SAD_HALF_MV(xy2, -1, -1)
403 CHECK_SAD_HALF_MV(xy2, +1, -1)
407 CHECK_SAD_HALF_MV(xy2, -1, +1)
409 CHECK_SAD_HALF_MV(x2 , -1, 0)
411 CHECK_SAD_HALF_MV(xy2, +1, -1)
413 CHECK_SAD_HALF_MV(xy2, -1, -1)
417 CHECK_SAD_HALF_MV(xy2, +1, +1)
419 CHECK_SAD_HALF_MV(x2 , +1, 0)
424 CHECK_SAD_HALF_MV(xy2, -1, -1)
428 CHECK_SAD_HALF_MV(xy2, +1, +1)
430 CHECK_SAD_HALF_MV(x2 , -1, 0)
431 CHECK_SAD_HALF_MV(xy2, -1, +1)
434 CHECK_SAD_HALF_MV(xy2, +1, -1)
438 CHECK_SAD_HALF_MV(xy2, -1, +1)
440 CHECK_SAD_HALF_MV(x2 , +1, 0)
441 CHECK_SAD_HALF_MV(xy2, +1, +1)
443 CHECK_SAD_HALF_MV(y2 , 0, +1)
458 static inline void set_p_mv_tables(MpegEncContext * s, int mx, int my, int mv4)
460 const int xy= s->mb_x + s->mb_y*s->mb_stride;
462 s->p_mv_table[xy][0] = mx;
463 s->p_mv_table[xy][1] = my;
465 /* has already been set to the 4 MV if 4MV is done */
467 int mot_xy= s->block_index[0];
469 s->current_picture.motion_val[0][mot_xy ][0]= mx;
470 s->current_picture.motion_val[0][mot_xy ][1]= my;
471 s->current_picture.motion_val[0][mot_xy+1][0]= mx;
472 s->current_picture.motion_val[0][mot_xy+1][1]= my;
474 mot_xy += s->b8_stride;
475 s->current_picture.motion_val[0][mot_xy ][0]= mx;
476 s->current_picture.motion_val[0][mot_xy ][1]= my;
477 s->current_picture.motion_val[0][mot_xy+1][0]= mx;
478 s->current_picture.motion_val[0][mot_xy+1][1]= my;
483 * get fullpel ME search limits.
485 static inline void get_limits(MpegEncContext *s, int x, int y)
487 MotionEstContext * const c= &s->me;
488 int range= c->avctx->me_range >> (1 + !!(c->flags&FLAG_QPEL));
490 if(c->avctx->me_range) c->range= c->avctx->me_range >> 1;
493 if (s->unrestricted_mv) {
496 c->xmax = - x + s->mb_width *16;
497 c->ymax = - y + s->mb_height*16;
498 } else if (s->out_format == FMT_H261){
499 // Search range of H261 is different from other codec standards
500 c->xmin = (x > 15) ? - 15 : 0;
501 c->ymin = (y > 15) ? - 15 : 0;
502 c->xmax = (x < s->mb_width * 16 - 16) ? 15 : 0;
503 c->ymax = (y < s->mb_height * 16 - 16) ? 15 : 0;
507 c->xmax = - x + s->mb_width *16 - 16;
508 c->ymax = - y + s->mb_height*16 - 16;
511 c->xmin = FFMAX(c->xmin,-range);
512 c->xmax = FFMIN(c->xmax, range);
513 c->ymin = FFMAX(c->ymin,-range);
514 c->ymax = FFMIN(c->ymax, range);
518 static inline void init_mv4_ref(MotionEstContext *c){
519 const int stride= c->stride;
521 c->ref[1][0] = c->ref[0][0] + 8;
522 c->ref[2][0] = c->ref[0][0] + 8*stride;
523 c->ref[3][0] = c->ref[2][0] + 8;
524 c->src[1][0] = c->src[0][0] + 8;
525 c->src[2][0] = c->src[0][0] + 8*stride;
526 c->src[3][0] = c->src[2][0] + 8;
529 static inline int h263_mv4_search(MpegEncContext *s, int mx, int my, int shift)
531 MotionEstContext * const c= &s->me;
536 int dmin_sum=0, mx4_sum=0, my4_sum=0;
538 const int stride= c->stride;
539 uint8_t *mv_penalty= c->current_mv_penalty;
543 for(block=0; block<4; block++){
545 int pred_x4, pred_y4;
547 static const int off[4]= {2, 1, 1, -1};
548 const int mot_stride = s->b8_stride;
549 const int mot_xy = s->block_index[block];
551 P_LEFT[0] = s->current_picture.motion_val[0][mot_xy - 1][0];
552 P_LEFT[1] = s->current_picture.motion_val[0][mot_xy - 1][1];
554 if(P_LEFT[0] > (c->xmax<<shift)) P_LEFT[0] = (c->xmax<<shift);
556 /* special case for first line */
557 if (s->first_slice_line && block<2) {
558 c->pred_x= pred_x4= P_LEFT[0];
559 c->pred_y= pred_y4= P_LEFT[1];
561 P_TOP[0] = s->current_picture.motion_val[0][mot_xy - mot_stride ][0];
562 P_TOP[1] = s->current_picture.motion_val[0][mot_xy - mot_stride ][1];
563 P_TOPRIGHT[0] = s->current_picture.motion_val[0][mot_xy - mot_stride + off[block]][0];
564 P_TOPRIGHT[1] = s->current_picture.motion_val[0][mot_xy - mot_stride + off[block]][1];
565 if(P_TOP[1] > (c->ymax<<shift)) P_TOP[1] = (c->ymax<<shift);
566 if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift);
567 if(P_TOPRIGHT[0] > (c->xmax<<shift)) P_TOPRIGHT[0]= (c->xmax<<shift);
568 if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift);
570 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
571 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
573 c->pred_x= pred_x4 = P_MEDIAN[0];
574 c->pred_y= pred_y4 = P_MEDIAN[1];
579 dmin4 = epzs_motion_search4(s, &mx4, &my4, P, block, block, s->p_mv_table, (1<<16)>>shift);
581 dmin4= c->sub_motion_search(s, &mx4, &my4, dmin4, block, block, size, h);
583 if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){
585 const int offset= ((block&1) + (block>>1)*stride)*8;
586 uint8_t *dest_y = c->scratchpad + offset;
587 if(s->quarter_sample){
588 uint8_t *ref= c->ref[block][0] + (mx4>>2) + (my4>>2)*stride;
589 dxy = ((my4 & 3) << 2) | (mx4 & 3);
592 s->dsp.put_no_rnd_qpel_pixels_tab[1][dxy](dest_y , ref , stride);
594 s->dsp.put_qpel_pixels_tab [1][dxy](dest_y , ref , stride);
596 uint8_t *ref= c->ref[block][0] + (mx4>>1) + (my4>>1)*stride;
597 dxy = ((my4 & 1) << 1) | (mx4 & 1);
600 s->dsp.put_no_rnd_pixels_tab[1][dxy](dest_y , ref , stride, h);
602 s->dsp.put_pixels_tab [1][dxy](dest_y , ref , stride, h);
604 dmin_sum+= (mv_penalty[mx4-pred_x4] + mv_penalty[my4-pred_y4])*c->mb_penalty_factor;
608 if(s->quarter_sample){
616 s->current_picture.motion_val[0][ s->block_index[block] ][0]= mx4;
617 s->current_picture.motion_val[0][ s->block_index[block] ][1]= my4;
619 if(mx4 != mx || my4 != my) same=0;
625 if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){
626 dmin_sum += s->dsp.mb_cmp[0](s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*16*stride, c->scratchpad, stride, 16);
629 if(c->avctx->mb_cmp&FF_CMP_CHROMA){
634 mx= ff_h263_round_chroma(mx4_sum);
635 my= ff_h263_round_chroma(my4_sum);
636 dxy = ((my & 1) << 1) | (mx & 1);
638 offset= (s->mb_x*8 + (mx>>1)) + (s->mb_y*8 + (my>>1))*s->uvlinesize;
641 s->dsp.put_no_rnd_pixels_tab[1][dxy](c->scratchpad , s->last_picture.data[1] + offset, s->uvlinesize, 8);
642 s->dsp.put_no_rnd_pixels_tab[1][dxy](c->scratchpad+8 , s->last_picture.data[2] + offset, s->uvlinesize, 8);
644 s->dsp.put_pixels_tab [1][dxy](c->scratchpad , s->last_picture.data[1] + offset, s->uvlinesize, 8);
645 s->dsp.put_pixels_tab [1][dxy](c->scratchpad+8 , s->last_picture.data[2] + offset, s->uvlinesize, 8);
648 dmin_sum += s->dsp.mb_cmp[1](s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*8*s->uvlinesize, c->scratchpad , s->uvlinesize, 8);
649 dmin_sum += s->dsp.mb_cmp[1](s, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*8*s->uvlinesize, c->scratchpad+8, s->uvlinesize, 8);
655 switch(c->avctx->mb_cmp&0xFF){
657 return dmin_sum+ 32*s->qscale*s->qscale;*/
661 return dmin_sum+ 11*c->mb_penalty_factor;
665 static inline void init_interlaced_ref(MpegEncContext *s, int ref_index){
666 MotionEstContext * const c= &s->me;
668 c->ref[1+ref_index][0] = c->ref[0+ref_index][0] + s->linesize;
669 c->src[1][0] = c->src[0][0] + s->linesize;
670 if(c->flags & FLAG_CHROMA){
671 c->ref[1+ref_index][1] = c->ref[0+ref_index][1] + s->uvlinesize;
672 c->ref[1+ref_index][2] = c->ref[0+ref_index][2] + s->uvlinesize;
673 c->src[1][1] = c->src[0][1] + s->uvlinesize;
674 c->src[1][2] = c->src[0][2] + s->uvlinesize;
678 static int interlaced_search(MpegEncContext *s, int ref_index,
679 int16_t (*mv_tables[2][2])[2], uint8_t *field_select_tables[2], int mx, int my, int user_field_select)
681 MotionEstContext * const c= &s->me;
686 uint8_t * const mv_penalty= c->current_mv_penalty;
688 const int stride= 2*s->linesize;
690 const int mot_stride= s->mb_stride;
691 const int xy= s->mb_x + s->mb_y*mot_stride;
697 init_interlaced_ref(s, ref_index);
699 for(block=0; block<2; block++){
701 int best_dmin= INT_MAX;
704 for(field_select=0; field_select<2; field_select++){
705 int dmin, mx_i, my_i;
706 int16_t (*mv_table)[2]= mv_tables[block][field_select];
708 if(user_field_select){
709 assert(field_select==0 || field_select==1);
710 assert(field_select_tables[block][xy]==0 || field_select_tables[block][xy]==1);
711 if(field_select_tables[block][xy] != field_select)
715 P_LEFT[0] = mv_table[xy - 1][0];
716 P_LEFT[1] = mv_table[xy - 1][1];
717 if(P_LEFT[0] > (c->xmax<<1)) P_LEFT[0] = (c->xmax<<1);
719 c->pred_x= P_LEFT[0];
720 c->pred_y= P_LEFT[1];
722 if(!s->first_slice_line){
723 P_TOP[0] = mv_table[xy - mot_stride][0];
724 P_TOP[1] = mv_table[xy - mot_stride][1];
725 P_TOPRIGHT[0] = mv_table[xy - mot_stride + 1][0];
726 P_TOPRIGHT[1] = mv_table[xy - mot_stride + 1][1];
727 if(P_TOP[1] > (c->ymax<<1)) P_TOP[1] = (c->ymax<<1);
728 if(P_TOPRIGHT[0] < (c->xmin<<1)) P_TOPRIGHT[0]= (c->xmin<<1);
729 if(P_TOPRIGHT[0] > (c->xmax<<1)) P_TOPRIGHT[0]= (c->xmax<<1);
730 if(P_TOPRIGHT[1] > (c->ymax<<1)) P_TOPRIGHT[1]= (c->ymax<<1);
732 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
733 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
735 P_MV1[0]= mx; //FIXME not correct if block != field_select
738 dmin = epzs_motion_search2(s, &mx_i, &my_i, P, block, field_select+ref_index, mv_table, (1<<16)>>1);
740 dmin= c->sub_motion_search(s, &mx_i, &my_i, dmin, block, field_select+ref_index, size, h);
742 mv_table[xy][0]= mx_i;
743 mv_table[xy][1]= my_i;
745 if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){
749 uint8_t *ref= c->ref[field_select+ref_index][0] + (mx_i>>1) + (my_i>>1)*stride;
750 dxy = ((my_i & 1) << 1) | (mx_i & 1);
753 s->dsp.put_no_rnd_pixels_tab[size][dxy](c->scratchpad, ref , stride, h);
755 s->dsp.put_pixels_tab [size][dxy](c->scratchpad, ref , stride, h);
757 dmin= s->dsp.mb_cmp[size](s, c->src[block][0], c->scratchpad, stride, h);
758 dmin+= (mv_penalty[mx_i-c->pred_x] + mv_penalty[my_i-c->pred_y] + 1)*c->mb_penalty_factor;
760 dmin+= c->mb_penalty_factor; //field_select bits
762 dmin += field_select != block; //slightly prefer same field
764 if(dmin < best_dmin){
766 best_field= field_select;
770 int16_t (*mv_table)[2]= mv_tables[block][best_field];
772 if(mv_table[xy][0] != mx) same=0; //FIXME check if these checks work and are any good at all
773 if(mv_table[xy][1]&1) same=0;
774 if(mv_table[xy][1]*2 != my) same=0;
775 if(best_field != block) same=0;
778 field_select_tables[block][xy]= best_field;
779 dmin_sum += best_dmin;
790 switch(c->avctx->mb_cmp&0xFF){
792 return dmin_sum+ 32*s->qscale*s->qscale;*/
796 return dmin_sum+ 11*c->mb_penalty_factor;
800 static void clip_input_mv(MpegEncContext * s, int16_t *mv, int interlaced){
801 int ymax= s->me.ymax>>interlaced;
802 int ymin= s->me.ymin>>interlaced;
804 if(mv[0] < s->me.xmin) mv[0] = s->me.xmin;
805 if(mv[0] > s->me.xmax) mv[0] = s->me.xmax;
806 if(mv[1] < ymin) mv[1] = ymin;
807 if(mv[1] > ymax) mv[1] = ymax;
810 static inline int check_input_motion(MpegEncContext * s, int mb_x, int mb_y, int p_type){
811 MotionEstContext * const c= &s->me;
812 Picture *p= s->current_picture_ptr;
813 int mb_xy= mb_x + mb_y*s->mb_stride;
814 int xy= 2*mb_x + 2*mb_y*s->b8_stride;
815 int mb_type= s->current_picture.mb_type[mb_xy];
817 int shift= (flags&FLAG_QPEL) + 1;
818 int mask= (1<<shift)-1;
821 me_cmp_func cmpf= s->dsp.sse[0];
822 me_cmp_func chroma_cmpf= s->dsp.sse[1];
824 if(p_type && USES_LIST(mb_type, 1)){
825 av_log(c->avctx, AV_LOG_ERROR, "backward motion vector in P frame\n");
828 assert(IS_INTRA(mb_type) || USES_LIST(mb_type,0) || USES_LIST(mb_type,1));
831 int xy= s->block_index[i];
832 clip_input_mv(s, p->motion_val[0][xy], !!IS_INTERLACED(mb_type));
833 clip_input_mv(s, p->motion_val[1][xy], !!IS_INTERLACED(mb_type));
836 if(IS_INTERLACED(mb_type)){
837 int xy2= xy + s->b8_stride;
838 s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTRA;
842 if(!(s->flags & CODEC_FLAG_INTERLACED_ME)){
843 av_log(c->avctx, AV_LOG_ERROR, "Interlaced macroblock selected but interlaced motion estimation disabled\n");
847 if(USES_LIST(mb_type, 0)){
848 int field_select0= p->ref_index[0][xy ];
849 int field_select1= p->ref_index[0][xy2];
850 assert(field_select0==0 ||field_select0==1);
851 assert(field_select1==0 ||field_select1==1);
852 init_interlaced_ref(s, 0);
855 s->p_field_select_table[0][mb_xy]= field_select0;
856 s->p_field_select_table[1][mb_xy]= field_select1;
857 *(uint32_t*)s->p_field_mv_table[0][field_select0][mb_xy]= *(uint32_t*)p->motion_val[0][xy ];
858 *(uint32_t*)s->p_field_mv_table[1][field_select1][mb_xy]= *(uint32_t*)p->motion_val[0][xy2];
859 s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTER_I;
861 s->b_field_select_table[0][0][mb_xy]= field_select0;
862 s->b_field_select_table[0][1][mb_xy]= field_select1;
863 *(uint32_t*)s->b_field_mv_table[0][0][field_select0][mb_xy]= *(uint32_t*)p->motion_val[0][xy ];
864 *(uint32_t*)s->b_field_mv_table[0][1][field_select1][mb_xy]= *(uint32_t*)p->motion_val[0][xy2];
865 s->mb_type[mb_xy]= CANDIDATE_MB_TYPE_FORWARD_I;
868 x= p->motion_val[0][xy ][0];
869 y= p->motion_val[0][xy ][1];
870 d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select0, 0, cmpf, chroma_cmpf, flags);
871 x= p->motion_val[0][xy2][0];
872 y= p->motion_val[0][xy2][1];
873 d+= cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select1, 1, cmpf, chroma_cmpf, flags);
875 if(USES_LIST(mb_type, 1)){
876 int field_select0= p->ref_index[1][xy ];
877 int field_select1= p->ref_index[1][xy2];
878 assert(field_select0==0 ||field_select0==1);
879 assert(field_select1==0 ||field_select1==1);
880 init_interlaced_ref(s, 2);
882 s->b_field_select_table[1][0][mb_xy]= field_select0;
883 s->b_field_select_table[1][1][mb_xy]= field_select1;
884 *(uint32_t*)s->b_field_mv_table[1][0][field_select0][mb_xy]= *(uint32_t*)p->motion_val[1][xy ];
885 *(uint32_t*)s->b_field_mv_table[1][1][field_select1][mb_xy]= *(uint32_t*)p->motion_val[1][xy2];
886 if(USES_LIST(mb_type, 0)){
887 s->mb_type[mb_xy]= CANDIDATE_MB_TYPE_BIDIR_I;
889 s->mb_type[mb_xy]= CANDIDATE_MB_TYPE_BACKWARD_I;
892 x= p->motion_val[1][xy ][0];
893 y= p->motion_val[1][xy ][1];
894 d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select0+2, 0, cmpf, chroma_cmpf, flags);
895 x= p->motion_val[1][xy2][0];
896 y= p->motion_val[1][xy2][1];
897 d+= cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select1+2, 1, cmpf, chroma_cmpf, flags);
902 }else if(IS_8X8(mb_type)){
903 if(!(s->flags & CODEC_FLAG_4MV)){
904 av_log(c->avctx, AV_LOG_ERROR, "4MV macroblock selected but 4MV encoding disabled\n");
908 chroma_cmpf= s->dsp.sse[1];
911 xy= s->block_index[i];
912 x= p->motion_val[0][xy][0];
913 y= p->motion_val[0][xy][1];
914 d+= cmp(s, x>>shift, y>>shift, x&mask, y&mask, 1, 8, i, i, cmpf, chroma_cmpf, flags);
916 s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTER4V;
918 if(USES_LIST(mb_type, 0)){
920 *(uint32_t*)s->p_mv_table[mb_xy]= *(uint32_t*)p->motion_val[0][xy];
921 s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTER;
922 }else if(USES_LIST(mb_type, 1)){
923 *(uint32_t*)s->b_bidir_forw_mv_table[mb_xy]= *(uint32_t*)p->motion_val[0][xy];
924 *(uint32_t*)s->b_bidir_back_mv_table[mb_xy]= *(uint32_t*)p->motion_val[1][xy];
925 s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_BIDIR;
927 *(uint32_t*)s->b_forw_mv_table[mb_xy]= *(uint32_t*)p->motion_val[0][xy];
928 s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_FORWARD;
930 x= p->motion_val[0][xy][0];
931 y= p->motion_val[0][xy][1];
932 d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 16, 0, 0, cmpf, chroma_cmpf, flags);
933 }else if(USES_LIST(mb_type, 1)){
934 *(uint32_t*)s->b_back_mv_table[mb_xy]= *(uint32_t*)p->motion_val[1][xy];
935 s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_BACKWARD;
937 x= p->motion_val[1][xy][0];
938 y= p->motion_val[1][xy][1];
939 d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 16, 2, 0, cmpf, chroma_cmpf, flags);
941 s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTRA;
946 void ff_estimate_p_frame_motion(MpegEncContext * s,
949 MotionEstContext * const c= &s->me;
951 int sum, mx, my, dmin;
952 int varc; ///< the variance of the block (sum of squared (p[y][x]-average))
953 int vard; ///< sum of squared differences with the estimated motion vector
955 const int shift= 1+s->quarter_sample;
957 Picture * const pic= &s->current_picture;
959 init_ref(c, s->new_picture.data, s->last_picture.data, NULL, 16*mb_x, 16*mb_y, 0);
961 assert(s->quarter_sample==0 || s->quarter_sample==1);
962 assert(s->linesize == c->stride);
963 assert(s->uvlinesize == c->uvstride);
965 c->penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_cmp);
966 c->sub_penalty_factor= get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_sub_cmp);
967 c->mb_penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->mb_cmp);
968 c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV;
970 get_limits(s, 16*mb_x, 16*mb_y);
973 /* intra / predictive decision */
975 sum = s->dsp.pix_sum(pix, s->linesize);
976 varc = s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500;
978 pic->mb_mean[s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
979 pic->mb_var [s->mb_stride * mb_y + mb_x] = (varc+128)>>8;
980 c->mb_var_sum_temp += (varc+128)>>8;
982 if(c->avctx->me_threshold){
983 vard= check_input_motion(s, mb_x, mb_y, 1);
985 if((vard+128)>>8 < c->avctx->me_threshold){
986 int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100);
987 int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20;
988 pic->mc_mb_var[s->mb_stride * mb_y + mb_x] = (vard+128)>>8;
989 c->mc_mb_var_sum_temp += (vard+128)>>8;
990 c->scene_change_score+= ff_sqrt(p_score) - ff_sqrt(i_score);
993 if((vard+128)>>8 < c->avctx->mb_threshold)
994 mb_type= s->mb_type[mb_x + mb_y*s->mb_stride];
997 switch(s->me_method) {
1000 no_motion_search(s, &mx, &my);
1008 const int mot_stride = s->b8_stride;
1009 const int mot_xy = s->block_index[0];
1011 P_LEFT[0] = s->current_picture.motion_val[0][mot_xy - 1][0];
1012 P_LEFT[1] = s->current_picture.motion_val[0][mot_xy - 1][1];
1014 if(P_LEFT[0] > (c->xmax<<shift)) P_LEFT[0] = (c->xmax<<shift);
1016 if(!s->first_slice_line) {
1017 P_TOP[0] = s->current_picture.motion_val[0][mot_xy - mot_stride ][0];
1018 P_TOP[1] = s->current_picture.motion_val[0][mot_xy - mot_stride ][1];
1019 P_TOPRIGHT[0] = s->current_picture.motion_val[0][mot_xy - mot_stride + 2][0];
1020 P_TOPRIGHT[1] = s->current_picture.motion_val[0][mot_xy - mot_stride + 2][1];
1021 if(P_TOP[1] > (c->ymax<<shift)) P_TOP[1] = (c->ymax<<shift);
1022 if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift);
1023 if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift);
1025 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1026 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1028 if(s->out_format == FMT_H263){
1029 c->pred_x = P_MEDIAN[0];
1030 c->pred_y = P_MEDIAN[1];
1031 }else { /* mpeg1 at least */
1032 c->pred_x= P_LEFT[0];
1033 c->pred_y= P_LEFT[1];
1036 c->pred_x= P_LEFT[0];
1037 c->pred_y= P_LEFT[1];
1041 dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, 0, s->p_mv_table, (1<<16)>>shift, 0, 16);
1046 /* At this point (mx,my) are full-pell and the relative displacement */
1047 ppix = c->ref[0][0] + (my * s->linesize) + mx;
1049 vard = s->dsp.sse[0](NULL, pix, ppix, s->linesize, 16);
1051 pic->mc_mb_var[s->mb_stride * mb_y + mb_x] = (vard+128)>>8;
1052 // pic->mb_cmp_score[s->mb_stride * mb_y + mb_x] = dmin;
1053 c->mc_mb_var_sum_temp += (vard+128)>>8;
1056 printf("varc=%4d avg_var=%4d (sum=%4d) vard=%4d mx=%2d my=%2d\n",
1057 varc, s->avg_mb_var, sum, vard, mx - xx, my - yy);
1060 int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100);
1061 int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20;
1062 c->scene_change_score+= ff_sqrt(p_score) - ff_sqrt(i_score);
1064 if(mb_type == CANDIDATE_MB_TYPE_INTER){
1065 c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
1066 set_p_mv_tables(s, mx, my, 1);
1071 if(mb_type == CANDIDATE_MB_TYPE_INTER4V){
1072 h263_mv4_search(s, mx, my, shift);
1074 set_p_mv_tables(s, mx, my, 0);
1076 if(mb_type == CANDIDATE_MB_TYPE_INTER_I){
1077 interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 1);
1079 }else if(c->avctx->mb_decision > FF_MB_DECISION_SIMPLE){
1080 int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100);
1081 int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20;
1082 c->scene_change_score+= ff_sqrt(p_score) - ff_sqrt(i_score);
1084 if (vard*2 + 200*256 > varc)
1085 mb_type|= CANDIDATE_MB_TYPE_INTRA;
1086 if (varc*2 + 200*256 > vard || s->qscale > 24){
1087 // if (varc*2 + 200*256 + 50*(s->lambda2>>FF_LAMBDA_SHIFT) > vard){
1088 mb_type|= CANDIDATE_MB_TYPE_INTER;
1089 c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
1090 if(s->flags&CODEC_FLAG_MV0)
1092 mb_type |= CANDIDATE_MB_TYPE_SKIPPED; //FIXME check difference
1097 if((s->flags&CODEC_FLAG_4MV)
1098 && !c->skip && varc>50<<8 && vard>10<<8){
1099 if(h263_mv4_search(s, mx, my, shift) < INT_MAX)
1100 mb_type|=CANDIDATE_MB_TYPE_INTER4V;
1102 set_p_mv_tables(s, mx, my, 0);
1104 set_p_mv_tables(s, mx, my, 1);
1105 if((s->flags&CODEC_FLAG_INTERLACED_ME)
1106 && !c->skip){ //FIXME varc/d checks
1107 if(interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 0) < INT_MAX)
1108 mb_type |= CANDIDATE_MB_TYPE_INTER_I;
1112 mb_type= CANDIDATE_MB_TYPE_INTER;
1114 dmin= c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
1115 if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip)
1116 dmin= ff_get_mb_score(s, mx, my, 0, 0, 0, 16, 1);
1118 if((s->flags&CODEC_FLAG_4MV)
1119 && !c->skip && varc>50<<8 && vard>10<<8){
1120 int dmin4= h263_mv4_search(s, mx, my, shift);
1122 mb_type= CANDIDATE_MB_TYPE_INTER4V;
1126 if((s->flags&CODEC_FLAG_INTERLACED_ME)
1127 && !c->skip){ //FIXME varc/d checks
1128 int dmin_i= interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 0);
1130 mb_type = CANDIDATE_MB_TYPE_INTER_I;
1135 // pic->mb_cmp_score[s->mb_stride * mb_y + mb_x] = dmin;
1136 set_p_mv_tables(s, mx, my, mb_type!=CANDIDATE_MB_TYPE_INTER4V);
1138 /* get intra luma score */
1139 if((c->avctx->mb_cmp&0xFF)==FF_CMP_SSE){
1140 intra_score= varc - 500;
1142 int mean= (sum+128)>>8;
1145 for(i=0; i<16; i++){
1146 *(uint32_t*)(&c->scratchpad[i*s->linesize+ 0]) = mean;
1147 *(uint32_t*)(&c->scratchpad[i*s->linesize+ 4]) = mean;
1148 *(uint32_t*)(&c->scratchpad[i*s->linesize+ 8]) = mean;
1149 *(uint32_t*)(&c->scratchpad[i*s->linesize+12]) = mean;
1152 intra_score= s->dsp.mb_cmp[0](s, c->scratchpad, pix, s->linesize, 16);
1155 /* get chroma score */
1156 if(c->avctx->mb_cmp&FF_CMP_CHROMA){
1161 if(s->out_format == FMT_H263){
1162 mean= (s->dc_val[i][mb_x + mb_y*s->b8_stride] + 4)>>3; //FIXME not exact but simple ;)
1164 mean= (s->last_dc[i] + 4)>>3;
1166 dest_c = s->new_picture.data[i] + (mb_y * 8 * (s->uvlinesize)) + mb_x * 8;
1170 *(uint32_t*)(&c->scratchpad[i*s->uvlinesize+ 0]) = mean;
1171 *(uint32_t*)(&c->scratchpad[i*s->uvlinesize+ 4]) = mean;
1174 intra_score+= s->dsp.mb_cmp[1](s, c->scratchpad, dest_c, s->uvlinesize);
1178 intra_score += c->mb_penalty_factor*16;
1180 if(intra_score < dmin){
1181 mb_type= CANDIDATE_MB_TYPE_INTRA;
1182 s->current_picture.mb_type[mb_y*s->mb_stride + mb_x]= CANDIDATE_MB_TYPE_INTRA; //FIXME cleanup
1184 s->current_picture.mb_type[mb_y*s->mb_stride + mb_x]= 0;
1187 int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100);
1188 int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20;
1189 c->scene_change_score+= ff_sqrt(p_score) - ff_sqrt(i_score);
1193 s->mb_type[mb_y*s->mb_stride + mb_x]= mb_type;
1196 int ff_pre_estimate_p_frame_motion(MpegEncContext * s,
1199 MotionEstContext * const c= &s->me;
1202 const int shift= 1+s->quarter_sample;
1203 const int xy= mb_x + mb_y*s->mb_stride;
1204 init_ref(c, s->new_picture.data, s->last_picture.data, NULL, 16*mb_x, 16*mb_y, 0);
1206 assert(s->quarter_sample==0 || s->quarter_sample==1);
1208 c->pre_penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_pre_cmp);
1209 c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV;
1211 get_limits(s, 16*mb_x, 16*mb_y);
1214 P_LEFT[0] = s->p_mv_table[xy + 1][0];
1215 P_LEFT[1] = s->p_mv_table[xy + 1][1];
1217 if(P_LEFT[0] < (c->xmin<<shift)) P_LEFT[0] = (c->xmin<<shift);
1219 /* special case for first line */
1220 if (s->first_slice_line) {
1221 c->pred_x= P_LEFT[0];
1222 c->pred_y= P_LEFT[1];
1223 P_TOP[0]= P_TOPRIGHT[0]= P_MEDIAN[0]=
1224 P_TOP[1]= P_TOPRIGHT[1]= P_MEDIAN[1]= 0; //FIXME
1226 P_TOP[0] = s->p_mv_table[xy + s->mb_stride ][0];
1227 P_TOP[1] = s->p_mv_table[xy + s->mb_stride ][1];
1228 P_TOPRIGHT[0] = s->p_mv_table[xy + s->mb_stride - 1][0];
1229 P_TOPRIGHT[1] = s->p_mv_table[xy + s->mb_stride - 1][1];
1230 if(P_TOP[1] < (c->ymin<<shift)) P_TOP[1] = (c->ymin<<shift);
1231 if(P_TOPRIGHT[0] > (c->xmax<<shift)) P_TOPRIGHT[0]= (c->xmax<<shift);
1232 if(P_TOPRIGHT[1] < (c->ymin<<shift)) P_TOPRIGHT[1]= (c->ymin<<shift);
1234 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1235 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1237 c->pred_x = P_MEDIAN[0];
1238 c->pred_y = P_MEDIAN[1];
1241 dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, 0, s->p_mv_table, (1<<16)>>shift, 0, 16);
1243 s->p_mv_table[xy][0] = mx<<shift;
1244 s->p_mv_table[xy][1] = my<<shift;
1249 static int ff_estimate_motion_b(MpegEncContext * s,
1250 int mb_x, int mb_y, int16_t (*mv_table)[2], int ref_index, int f_code)
1252 MotionEstContext * const c= &s->me;
1255 const int shift= 1+s->quarter_sample;
1256 const int mot_stride = s->mb_stride;
1257 const int mot_xy = mb_y*mot_stride + mb_x;
1258 uint8_t * const mv_penalty= c->mv_penalty[f_code] + MAX_MV;
1261 c->penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_cmp);
1262 c->sub_penalty_factor= get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_sub_cmp);
1263 c->mb_penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->mb_cmp);
1264 c->current_mv_penalty= mv_penalty;
1266 get_limits(s, 16*mb_x, 16*mb_y);
1268 switch(s->me_method) {
1271 no_motion_search(s, &mx, &my);
1279 P_LEFT[0] = mv_table[mot_xy - 1][0];
1280 P_LEFT[1] = mv_table[mot_xy - 1][1];
1282 if(P_LEFT[0] > (c->xmax<<shift)) P_LEFT[0] = (c->xmax<<shift);
1284 /* special case for first line */
1285 if (!s->first_slice_line) {
1286 P_TOP[0] = mv_table[mot_xy - mot_stride ][0];
1287 P_TOP[1] = mv_table[mot_xy - mot_stride ][1];
1288 P_TOPRIGHT[0] = mv_table[mot_xy - mot_stride + 1 ][0];
1289 P_TOPRIGHT[1] = mv_table[mot_xy - mot_stride + 1 ][1];
1290 if(P_TOP[1] > (c->ymax<<shift)) P_TOP[1]= (c->ymax<<shift);
1291 if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift);
1292 if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift);
1294 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1295 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1297 c->pred_x= P_LEFT[0];
1298 c->pred_y= P_LEFT[1];
1301 if(mv_table == s->b_forw_mv_table){
1302 mv_scale= (s->pb_time<<16) / (s->pp_time<<shift);
1304 mv_scale= ((s->pb_time - s->pp_time)<<16) / (s->pp_time<<shift);
1307 dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, ref_index, s->p_mv_table, mv_scale, 0, 16);
1312 dmin= c->sub_motion_search(s, &mx, &my, dmin, 0, ref_index, 0, 16);
1314 if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip)
1315 dmin= ff_get_mb_score(s, mx, my, 0, ref_index, 0, 16, 1);
1317 //printf("%d %d %d %d//", s->mb_x, s->mb_y, mx, my);
1318 // s->mb_type[mb_y*s->mb_width + mb_x]= mb_type;
1319 mv_table[mot_xy][0]= mx;
1320 mv_table[mot_xy][1]= my;
1325 static inline int check_bidir_mv(MpegEncContext * s,
1326 int motion_fx, int motion_fy,
1327 int motion_bx, int motion_by,
1328 int pred_fx, int pred_fy,
1329 int pred_bx, int pred_by,
1333 //FIXME better f_code prediction (max mv & distance)
1335 MotionEstContext * const c= &s->me;
1336 uint8_t * const mv_penalty_f= c->mv_penalty[s->f_code] + MAX_MV; // f_code of the prev frame
1337 uint8_t * const mv_penalty_b= c->mv_penalty[s->b_code] + MAX_MV; // f_code of the prev frame
1338 int stride= c->stride;
1339 uint8_t *dest_y = c->scratchpad;
1344 uint8_t **src_data= c->src[0];
1345 uint8_t **ref_data= c->ref[0];
1346 uint8_t **ref2_data= c->ref[2];
1348 if(s->quarter_sample){
1349 dxy = ((motion_fy & 3) << 2) | (motion_fx & 3);
1350 src_x = motion_fx >> 2;
1351 src_y = motion_fy >> 2;
1353 ptr = ref_data[0] + (src_y * stride) + src_x;
1354 s->dsp.put_qpel_pixels_tab[0][dxy](dest_y , ptr , stride);
1356 dxy = ((motion_by & 3) << 2) | (motion_bx & 3);
1357 src_x = motion_bx >> 2;
1358 src_y = motion_by >> 2;
1360 ptr = ref2_data[0] + (src_y * stride) + src_x;
1361 s->dsp.avg_qpel_pixels_tab[size][dxy](dest_y , ptr , stride);
1363 dxy = ((motion_fy & 1) << 1) | (motion_fx & 1);
1364 src_x = motion_fx >> 1;
1365 src_y = motion_fy >> 1;
1367 ptr = ref_data[0] + (src_y * stride) + src_x;
1368 s->dsp.put_pixels_tab[size][dxy](dest_y , ptr , stride, h);
1370 dxy = ((motion_by & 1) << 1) | (motion_bx & 1);
1371 src_x = motion_bx >> 1;
1372 src_y = motion_by >> 1;
1374 ptr = ref2_data[0] + (src_y * stride) + src_x;
1375 s->dsp.avg_pixels_tab[size][dxy](dest_y , ptr , stride, h);
1378 fbmin = (mv_penalty_f[motion_fx-pred_fx] + mv_penalty_f[motion_fy-pred_fy])*c->mb_penalty_factor
1379 +(mv_penalty_b[motion_bx-pred_bx] + mv_penalty_b[motion_by-pred_by])*c->mb_penalty_factor
1380 + s->dsp.mb_cmp[size](s, src_data[0], dest_y, stride, h); //FIXME new_pic
1382 if(c->avctx->mb_cmp&FF_CMP_CHROMA){
1389 /* refine the bidir vectors in hq mode and return the score in both lq & hq mode*/
1390 static inline int bidir_refine(MpegEncContext * s, int mb_x, int mb_y)
1392 MotionEstContext * const c= &s->me;
1393 const int mot_stride = s->mb_stride;
1394 const int xy = mb_y *mot_stride + mb_x;
1396 int pred_fx= s->b_bidir_forw_mv_table[xy-1][0];
1397 int pred_fy= s->b_bidir_forw_mv_table[xy-1][1];
1398 int pred_bx= s->b_bidir_back_mv_table[xy-1][0];
1399 int pred_by= s->b_bidir_back_mv_table[xy-1][1];
1400 int motion_fx= s->b_bidir_forw_mv_table[xy][0]= s->b_forw_mv_table[xy][0];
1401 int motion_fy= s->b_bidir_forw_mv_table[xy][1]= s->b_forw_mv_table[xy][1];
1402 int motion_bx= s->b_bidir_back_mv_table[xy][0]= s->b_back_mv_table[xy][0];
1403 int motion_by= s->b_bidir_back_mv_table[xy][1]= s->b_back_mv_table[xy][1];
1404 const int flags= c->sub_flags;
1405 const int qpel= flags&FLAG_QPEL;
1406 const int shift= 1+qpel;
1407 const int xmin= c->xmin<<shift;
1408 const int ymin= c->ymin<<shift;
1409 const int xmax= c->xmax<<shift;
1410 const int ymax= c->ymax<<shift;
1411 uint8_t map[8][8][8][8];
1413 memset(map,0,sizeof(map));
1414 #define BIDIR_MAP(fx,fy,bx,by) \
1415 map[(motion_fx+fx)&7][(motion_fy+fy)&7][(motion_bx+bx)&7][(motion_by+by)&7]
1416 BIDIR_MAP(0,0,0,0) = 1;
1418 fbmin= check_bidir_mv(s, motion_fx, motion_fy,
1419 motion_bx, motion_by,
1424 if(s->avctx->bidir_refine){
1426 #define CHECK_BIDIR(fx,fy,bx,by)\
1427 if( !BIDIR_MAP(fx,fy,bx,by)\
1428 &&(fx<=0 || motion_fx+fx<=xmax) && (fy<=0 || motion_fy+fy<=ymax) && (bx<=0 || motion_bx+bx<=xmax) && (by<=0 || motion_by+by<=ymax)\
1429 &&(fx>=0 || motion_fx+fx>=xmin) && (fy>=0 || motion_fy+fy>=ymin) && (bx>=0 || motion_bx+bx>=xmin) && (by>=0 || motion_by+by>=ymin)){\
1430 BIDIR_MAP(fx,fy,bx,by) = 1;\
1431 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);\
1441 #define CHECK_BIDIR2(a,b,c,d)\
1442 CHECK_BIDIR(a,b,c,d)\
1443 CHECK_BIDIR(-(a),-(b),-(c),-(d))
1445 #define CHECK_BIDIRR(a,b,c,d)\
1446 CHECK_BIDIR2(a,b,c,d)\
1447 CHECK_BIDIR2(b,c,d,a)\
1448 CHECK_BIDIR2(c,d,a,b)\
1449 CHECK_BIDIR2(d,a,b,c)
1454 CHECK_BIDIRR( 0, 0, 0, 1)
1455 if(s->avctx->bidir_refine > 1){
1456 CHECK_BIDIRR( 0, 0, 1, 1)
1457 CHECK_BIDIR2( 0, 1, 0, 1)
1458 CHECK_BIDIR2( 1, 0, 1, 0)
1459 CHECK_BIDIRR( 0, 0,-1, 1)
1460 CHECK_BIDIR2( 0,-1, 0, 1)
1461 CHECK_BIDIR2(-1, 0, 1, 0)
1462 if(s->avctx->bidir_refine > 2){
1463 CHECK_BIDIRR( 0, 1, 1, 1)
1464 CHECK_BIDIRR( 0,-1, 1, 1)
1465 CHECK_BIDIRR( 0, 1,-1, 1)
1466 CHECK_BIDIRR( 0, 1, 1,-1)
1467 if(s->avctx->bidir_refine > 3){
1468 CHECK_BIDIR2( 1, 1, 1, 1)
1469 CHECK_BIDIRR( 1, 1, 1,-1)
1470 CHECK_BIDIR2( 1, 1,-1,-1)
1471 CHECK_BIDIR2( 1,-1,-1, 1)
1472 CHECK_BIDIR2( 1,-1, 1,-1)
1479 s->b_bidir_forw_mv_table[xy][0]= motion_fx;
1480 s->b_bidir_forw_mv_table[xy][1]= motion_fy;
1481 s->b_bidir_back_mv_table[xy][0]= motion_bx;
1482 s->b_bidir_back_mv_table[xy][1]= motion_by;
1487 static inline int direct_search(MpegEncContext * s, int mb_x, int mb_y)
1489 MotionEstContext * const c= &s->me;
1491 const int mot_stride = s->mb_stride;
1492 const int mot_xy = mb_y*mot_stride + mb_x;
1493 const int shift= 1+s->quarter_sample;
1495 const int time_pp= s->pp_time;
1496 const int time_pb= s->pb_time;
1497 int mx, my, xmin, xmax, ymin, ymax;
1498 int16_t (*mv_table)[2]= s->b_direct_mv_table;
1500 c->current_mv_penalty= c->mv_penalty[1] + MAX_MV;
1501 ymin= xmin=(-32)>>shift;
1502 ymax= xmax= 31>>shift;
1504 if(IS_8X8(s->next_picture.mb_type[mot_xy])){
1505 s->mv_type= MV_TYPE_8X8;
1507 s->mv_type= MV_TYPE_16X16;
1511 int index= s->block_index[i];
1514 c->co_located_mv[i][0]= s->next_picture.motion_val[0][index][0];
1515 c->co_located_mv[i][1]= s->next_picture.motion_val[0][index][1];
1516 c->direct_basis_mv[i][0]= c->co_located_mv[i][0]*time_pb/time_pp + ((i& 1)<<(shift+3));
1517 c->direct_basis_mv[i][1]= c->co_located_mv[i][1]*time_pb/time_pp + ((i>>1)<<(shift+3));
1518 // c->direct_basis_mv[1][i][0]= c->co_located_mv[i][0]*(time_pb - time_pp)/time_pp + ((i &1)<<(shift+3);
1519 // c->direct_basis_mv[1][i][1]= c->co_located_mv[i][1]*(time_pb - time_pp)/time_pp + ((i>>1)<<(shift+3);
1521 max= FFMAX(c->direct_basis_mv[i][0], c->direct_basis_mv[i][0] - c->co_located_mv[i][0])>>shift;
1522 min= FFMIN(c->direct_basis_mv[i][0], c->direct_basis_mv[i][0] - c->co_located_mv[i][0])>>shift;
1523 max+= 16*mb_x + 1; // +-1 is for the simpler rounding
1525 xmax= FFMIN(xmax, s->width - max);
1526 xmin= FFMAX(xmin, - 16 - min);
1528 max= FFMAX(c->direct_basis_mv[i][1], c->direct_basis_mv[i][1] - c->co_located_mv[i][1])>>shift;
1529 min= FFMIN(c->direct_basis_mv[i][1], c->direct_basis_mv[i][1] - c->co_located_mv[i][1])>>shift;
1530 max+= 16*mb_y + 1; // +-1 is for the simpler rounding
1532 ymax= FFMIN(ymax, s->height - max);
1533 ymin= FFMAX(ymin, - 16 - min);
1535 if(s->mv_type == MV_TYPE_16X16) break;
1538 assert(xmax <= 15 && ymax <= 15 && xmin >= -16 && ymin >= -16);
1540 if(xmax < 0 || xmin >0 || ymax < 0 || ymin > 0){
1541 s->b_direct_mv_table[mot_xy][0]= 0;
1542 s->b_direct_mv_table[mot_xy][1]= 0;
1544 return 256*256*256*64;
1551 c->flags |= FLAG_DIRECT;
1552 c->sub_flags |= FLAG_DIRECT;
1556 P_LEFT[0] = av_clip(mv_table[mot_xy - 1][0], xmin<<shift, xmax<<shift);
1557 P_LEFT[1] = av_clip(mv_table[mot_xy - 1][1], ymin<<shift, ymax<<shift);
1559 /* special case for first line */
1560 if (!s->first_slice_line) { //FIXME maybe allow this over thread boundary as it is clipped
1561 P_TOP[0] = av_clip(mv_table[mot_xy - mot_stride ][0], xmin<<shift, xmax<<shift);
1562 P_TOP[1] = av_clip(mv_table[mot_xy - mot_stride ][1], ymin<<shift, ymax<<shift);
1563 P_TOPRIGHT[0] = av_clip(mv_table[mot_xy - mot_stride + 1 ][0], xmin<<shift, xmax<<shift);
1564 P_TOPRIGHT[1] = av_clip(mv_table[mot_xy - mot_stride + 1 ][1], ymin<<shift, ymax<<shift);
1566 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1567 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1570 dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, 0, mv_table, 1<<(16-shift), 0, 16);
1571 if(c->sub_flags&FLAG_QPEL)
1572 dmin = qpel_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
1574 dmin = hpel_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
1576 if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip)
1577 dmin= ff_get_mb_score(s, mx, my, 0, 0, 0, 16, 1);
1579 get_limits(s, 16*mb_x, 16*mb_y); //restore c->?min/max, maybe not needed
1581 mv_table[mot_xy][0]= mx;
1582 mv_table[mot_xy][1]= my;
1583 c->flags &= ~FLAG_DIRECT;
1584 c->sub_flags &= ~FLAG_DIRECT;
1589 void ff_estimate_b_frame_motion(MpegEncContext * s,
1592 MotionEstContext * const c= &s->me;
1593 const int penalty_factor= c->mb_penalty_factor;
1594 int fmin, bmin, dmin, fbmin, bimin, fimin;
1596 const int xy = mb_y*s->mb_stride + mb_x;
1597 init_ref(c, s->new_picture.data, s->last_picture.data, s->next_picture.data, 16*mb_x, 16*mb_y, 2);
1599 get_limits(s, 16*mb_x, 16*mb_y);
1603 if(s->codec_id == CODEC_ID_MPEG4 && s->next_picture.mbskip_table[xy]){
1604 int score= direct_search(s, mb_x, mb_y); //FIXME just check 0,0
1606 score= ((unsigned)(score*score + 128*256))>>16;
1607 c->mc_mb_var_sum_temp += score;
1608 s->current_picture.mc_mb_var[mb_y*s->mb_stride + mb_x] = score; //FIXME use SSE
1609 s->mb_type[mb_y*s->mb_stride + mb_x]= CANDIDATE_MB_TYPE_DIRECT0;
1614 if(c->avctx->me_threshold){
1615 int vard= check_input_motion(s, mb_x, mb_y, 0);
1617 if((vard+128)>>8 < c->avctx->me_threshold){
1618 // pix = c->src[0][0];
1619 // sum = s->dsp.pix_sum(pix, s->linesize);
1620 // varc = s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500;
1622 // pic->mb_var [s->mb_stride * mb_y + mb_x] = (varc+128)>>8;
1623 s->current_picture.mc_mb_var[s->mb_stride * mb_y + mb_x] = (vard+128)>>8;
1624 /* pic->mb_mean [s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
1625 c->mb_var_sum_temp += (varc+128)>>8;*/
1626 c->mc_mb_var_sum_temp += (vard+128)>>8;
1627 /* if (vard <= 64<<8 || vard < varc) {
1628 c->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
1630 c->scene_change_score+= s->qscale * s->avctx->scenechange_factor;
1634 if((vard+128)>>8 < c->avctx->mb_threshold){
1635 type= s->mb_type[mb_y*s->mb_stride + mb_x];
1636 if(type == CANDIDATE_MB_TYPE_DIRECT){
1637 direct_search(s, mb_x, mb_y);
1639 if(type == CANDIDATE_MB_TYPE_FORWARD || type == CANDIDATE_MB_TYPE_BIDIR){
1641 ff_estimate_motion_b(s, mb_x, mb_y, s->b_forw_mv_table, 0, s->f_code);
1643 if(type == CANDIDATE_MB_TYPE_BACKWARD || type == CANDIDATE_MB_TYPE_BIDIR){
1645 ff_estimate_motion_b(s, mb_x, mb_y, s->b_back_mv_table, 2, s->b_code);
1647 if(type == CANDIDATE_MB_TYPE_FORWARD_I || type == CANDIDATE_MB_TYPE_BIDIR_I){
1649 c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV;
1650 interlaced_search(s, 0,
1651 s->b_field_mv_table[0], s->b_field_select_table[0],
1652 s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1], 1);
1654 if(type == CANDIDATE_MB_TYPE_BACKWARD_I || type == CANDIDATE_MB_TYPE_BIDIR_I){
1656 c->current_mv_penalty= c->mv_penalty[s->b_code] + MAX_MV;
1657 interlaced_search(s, 2,
1658 s->b_field_mv_table[1], s->b_field_select_table[1],
1659 s->b_back_mv_table[xy][0], s->b_back_mv_table[xy][1], 1);
1665 if (s->codec_id == CODEC_ID_MPEG4)
1666 dmin= direct_search(s, mb_x, mb_y);
1669 //FIXME penalty stuff for non mpeg4
1671 fmin= ff_estimate_motion_b(s, mb_x, mb_y, s->b_forw_mv_table, 0, s->f_code) + 3*penalty_factor;
1674 bmin= ff_estimate_motion_b(s, mb_x, mb_y, s->b_back_mv_table, 2, s->b_code) + 2*penalty_factor;
1675 //printf(" %d %d ", s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1]);
1678 fbmin= bidir_refine(s, mb_x, mb_y) + penalty_factor;
1679 //printf("%d %d %d %d\n", dmin, fmin, bmin, fbmin);
1681 if(s->flags & CODEC_FLAG_INTERLACED_ME){
1682 //FIXME mb type penalty
1684 c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV;
1685 fimin= interlaced_search(s, 0,
1686 s->b_field_mv_table[0], s->b_field_select_table[0],
1687 s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1], 0);
1688 c->current_mv_penalty= c->mv_penalty[s->b_code] + MAX_MV;
1689 bimin= interlaced_search(s, 2,
1690 s->b_field_mv_table[1], s->b_field_select_table[1],
1691 s->b_back_mv_table[xy][0], s->b_back_mv_table[xy][1], 0);
1693 fimin= bimin= INT_MAX;
1697 type = CANDIDATE_MB_TYPE_FORWARD;
1701 type = CANDIDATE_MB_TYPE_DIRECT;
1705 type= CANDIDATE_MB_TYPE_BACKWARD;
1709 type= CANDIDATE_MB_TYPE_BIDIR;
1713 type= CANDIDATE_MB_TYPE_FORWARD_I;
1717 type= CANDIDATE_MB_TYPE_BACKWARD_I;
1720 score= ((unsigned)(score*score + 128*256))>>16;
1721 c->mc_mb_var_sum_temp += score;
1722 s->current_picture.mc_mb_var[mb_y*s->mb_stride + mb_x] = score; //FIXME use SSE
1725 if(c->avctx->mb_decision > FF_MB_DECISION_SIMPLE){
1726 type= CANDIDATE_MB_TYPE_FORWARD | CANDIDATE_MB_TYPE_BACKWARD | CANDIDATE_MB_TYPE_BIDIR | CANDIDATE_MB_TYPE_DIRECT;
1728 type |= CANDIDATE_MB_TYPE_FORWARD_I;
1730 type |= CANDIDATE_MB_TYPE_BACKWARD_I;
1731 if(fimin < INT_MAX && bimin < INT_MAX){
1732 type |= CANDIDATE_MB_TYPE_BIDIR_I;
1734 //FIXME something smarter
1735 if(dmin>256*256*16) type&= ~CANDIDATE_MB_TYPE_DIRECT; //do not try direct mode if it is invalid for this MB
1736 if(s->codec_id == CODEC_ID_MPEG4 && type&CANDIDATE_MB_TYPE_DIRECT && s->flags&CODEC_FLAG_MV0 && *(uint32_t*)s->b_direct_mv_table[xy])
1737 type |= CANDIDATE_MB_TYPE_DIRECT0;
1739 if(s->out_format == FMT_MPEG1)
1740 type |= CANDIDATE_MB_TYPE_INTRA;
1744 s->mb_type[mb_y*s->mb_stride + mb_x]= type;
1747 /* find best f_code for ME which do unlimited searches */
1748 int ff_get_best_fcode(MpegEncContext * s, int16_t (*mv_table)[2], int type)
1750 if(s->me_method>=ME_EPZS){
1752 int i, y, range= s->avctx->me_range ? s->avctx->me_range : (INT_MAX/2);
1753 uint8_t * fcode_tab= s->fcode_tab;
1755 int best_score=-10000000;
1757 if(s->msmpeg4_version)
1758 range= FFMIN(range, 16);
1759 else if(s->codec_id == CODEC_ID_MPEG2VIDEO && s->avctx->strict_std_compliance >= FF_COMPLIANCE_NORMAL)
1760 range= FFMIN(range, 256);
1762 for(i=0; i<8; i++) score[i]= s->mb_num*(8-i);
1764 for(y=0; y<s->mb_height; y++){
1766 int xy= y*s->mb_stride;
1767 for(x=0; x<s->mb_width; x++){
1768 if(s->mb_type[xy] & type){
1769 int mx= mv_table[xy][0];
1770 int my= mv_table[xy][1];
1771 int fcode= FFMAX(fcode_tab[mx + MAX_MV],
1772 fcode_tab[my + MAX_MV]);
1775 if(mx >= range || mx < -range ||
1776 my >= range || my < -range)
1779 for(j=0; j<fcode && j<8; j++){
1780 if(s->pict_type==FF_B_TYPE || s->current_picture.mc_mb_var[xy] < s->current_picture.mb_var[xy])
1789 if(score[i] > best_score){
1790 best_score= score[i];
1793 // printf("%d %d\n", i, score[i]);
1796 // printf("fcode: %d type: %d\n", i, s->pict_type);
1798 /* for(i=0; i<=MAX_FCODE; i++){
1799 printf("%d ", mv_num[i]);
1807 void ff_fix_long_p_mvs(MpegEncContext * s)
1809 MotionEstContext * const c= &s->me;
1810 const int f_code= s->f_code;
1812 assert(s->pict_type==FF_P_TYPE);
1814 range = (((s->out_format == FMT_MPEG1 || s->msmpeg4_version) ? 8 : 16) << f_code);
1816 assert(range <= 16 || !s->msmpeg4_version);
1817 assert(range <=256 || !(s->codec_id == CODEC_ID_MPEG2VIDEO && s->avctx->strict_std_compliance >= FF_COMPLIANCE_NORMAL));
1819 if(c->avctx->me_range && range > c->avctx->me_range) range= c->avctx->me_range;
1821 //printf("%d no:%d %d//\n", clip, noclip, f_code);
1822 if(s->flags&CODEC_FLAG_4MV){
1823 const int wrap= s->b8_stride;
1825 /* clip / convert to intra 8x8 type MVs */
1826 for(y=0; y<s->mb_height; y++){
1828 int i= y*s->mb_stride;
1831 for(x=0; x<s->mb_width; x++){
1832 if(s->mb_type[i]&CANDIDATE_MB_TYPE_INTER4V){
1834 for(block=0; block<4; block++){
1835 int off= (block& 1) + (block>>1)*wrap;
1836 int mx= s->current_picture.motion_val[0][ xy + off ][0];
1837 int my= s->current_picture.motion_val[0][ xy + off ][1];
1839 if( mx >=range || mx <-range
1840 || my >=range || my <-range){
1841 s->mb_type[i] &= ~CANDIDATE_MB_TYPE_INTER4V;
1842 s->mb_type[i] |= CANDIDATE_MB_TYPE_INTRA;
1843 s->current_picture.mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
1856 * @param truncate 1 for truncation, 0 for using intra
1858 void ff_fix_long_mvs(MpegEncContext * s, uint8_t *field_select_table, int field_select,
1859 int16_t (*mv_table)[2], int f_code, int type, int truncate)
1861 MotionEstContext * const c= &s->me;
1862 int y, h_range, v_range;
1864 // RAL: 8 in MPEG-1, 16 in MPEG-4
1865 int range = (((s->out_format == FMT_MPEG1 || s->msmpeg4_version) ? 8 : 16) << f_code);
1867 if(c->avctx->me_range && range > c->avctx->me_range) range= c->avctx->me_range;
1870 v_range= field_select_table ? range>>1 : range;
1872 /* clip / convert to intra 16x16 type MVs */
1873 for(y=0; y<s->mb_height; y++){
1875 int xy= y*s->mb_stride;
1876 for(x=0; x<s->mb_width; x++){
1877 if (s->mb_type[xy] & type){ // RAL: "type" test added...
1878 if(field_select_table==NULL || field_select_table[xy] == field_select){
1879 if( mv_table[xy][0] >=h_range || mv_table[xy][0] <-h_range
1880 || mv_table[xy][1] >=v_range || mv_table[xy][1] <-v_range){
1883 if (mv_table[xy][0] > h_range-1) mv_table[xy][0]= h_range-1;
1884 else if(mv_table[xy][0] < -h_range ) mv_table[xy][0]= -h_range;
1885 if (mv_table[xy][1] > v_range-1) mv_table[xy][1]= v_range-1;
1886 else if(mv_table[xy][1] < -v_range ) mv_table[xy][1]= -v_range;
1888 s->mb_type[xy] &= ~type;
1889 s->mb_type[xy] |= CANDIDATE_MB_TYPE_INTRA;