motion_est_template.c
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上传日期:2014-04-03
资源大小:7248k
文件大小:38k
源码类别:
Windows CE
开发平台:
C/C++
- /*
- * Motion estimation
- * Copyright (c) 2002-2004 Michael Niedermayer
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
- /**
- * @file motion_est_template.c
- * Motion estimation template.
- */
- //lets hope gcc will remove the unused vars ...(gcc 3.2.2 seems to do it ...)
- #define LOAD_COMMON
- uint32_t attribute_unused * const score_map= c->score_map;
- const int attribute_unused xmin= c->xmin;
- const int attribute_unused ymin= c->ymin;
- const int attribute_unused xmax= c->xmax;
- const int attribute_unused ymax= c->ymax;
- uint8_t *mv_penalty= c->current_mv_penalty;
- const int pred_x= c->pred_x;
- const int pred_y= c->pred_y;
- #define CHECK_HALF_MV(dx, dy, x, y)
- {
- const int hx= 2*(x)+(dx);
- const int hy= 2*(y)+(dy);
- d= cmp(s, x, y, dx, dy, size, h, ref_index, src_index, cmp_sub, chroma_cmp_sub, flags);
- d += (mv_penalty[hx - pred_x] + mv_penalty[hy - pred_y])*penalty_factor;
- COPY3_IF_LT(dmin, d, bx, hx, by, hy)
- }
- #if 0
- static int hpel_motion_search)(MpegEncContext * s,
- int *mx_ptr, int *my_ptr, int dmin,
- uint8_t *ref_data[3],
- int size)
- {
- const int xx = 16 * s->mb_x + 8*(n&1);
- const int yy = 16 * s->mb_y + 8*(n>>1);
- const int mx = *mx_ptr;
- const int my = *my_ptr;
- const int penalty_factor= c->sub_penalty_factor;
- LOAD_COMMON
- // INIT;
- //FIXME factorize
- me_cmp_func cmp, chroma_cmp, cmp_sub, chroma_cmp_sub;
- if(s->no_rounding /*FIXME b_type*/){
- hpel_put= &s->dsp.put_no_rnd_pixels_tab[size];
- chroma_hpel_put= &s->dsp.put_no_rnd_pixels_tab[size+1];
- }else{
- hpel_put=& s->dsp.put_pixels_tab[size];
- chroma_hpel_put= &s->dsp.put_pixels_tab[size+1];
- }
- cmpf= s->dsp.me_cmp[size];
- chroma_cmpf= s->dsp.me_cmp[size+1];
- cmp_sub= s->dsp.me_sub_cmp[size];
- chroma_cmp_sub= s->dsp.me_sub_cmp[size+1];
- if(c->skip){ //FIXME somehow move up (benchmark)
- *mx_ptr = 0;
- *my_ptr = 0;
- return dmin;
- }
- if(c->avctx->me_cmp != c->avctx->me_sub_cmp){
- CMP_HPEL(dmin, 0, 0, mx, my, size);
- if(mx || my)
- dmin += (mv_penalty[2*mx - pred_x] + mv_penalty[2*my - pred_y])*penalty_factor;
- }
- if (mx > xmin && mx < xmax &&
- my > ymin && my < ymax) {
- int bx=2*mx, by=2*my;
- int d= dmin;
- CHECK_HALF_MV(1, 1, mx-1, my-1)
- CHECK_HALF_MV(0, 1, mx , my-1)
- CHECK_HALF_MV(1, 1, mx , my-1)
- CHECK_HALF_MV(1, 0, mx-1, my )
- CHECK_HALF_MV(1, 0, mx , my )
- CHECK_HALF_MV(1, 1, mx-1, my )
- CHECK_HALF_MV(0, 1, mx , my )
- CHECK_HALF_MV(1, 1, mx , my )
- assert(bx >= xmin*2 || bx <= xmax*2 || by >= ymin*2 || by <= ymax*2);
- *mx_ptr = bx;
- *my_ptr = by;
- }else{
- *mx_ptr =2*mx;
- *my_ptr =2*my;
- }
- return dmin;
- }
- #else
- 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)
- {
- MotionEstContext * const c= &s->me;
- const int mx = *mx_ptr;
- const int my = *my_ptr;
- const int penalty_factor= c->sub_penalty_factor;
- me_cmp_func cmp_sub, chroma_cmp_sub;
- int bx=2*mx, by=2*my;
- LOAD_COMMON
- int flags= c->sub_flags;
- //FIXME factorize
- cmp_sub= s->dsp.me_sub_cmp[size];
- chroma_cmp_sub= s->dsp.me_sub_cmp[size+1];
- if(c->skip){ //FIXME move out of hpel?
- *mx_ptr = 0;
- *my_ptr = 0;
- return dmin;
- }
- if(c->avctx->me_cmp != c->avctx->me_sub_cmp){
- dmin= cmp(s, mx, my, 0, 0, size, h, ref_index, src_index, cmp_sub, chroma_cmp_sub, flags);
- if(mx || my || size>0)
- dmin += (mv_penalty[2*mx - pred_x] + mv_penalty[2*my - pred_y])*penalty_factor;
- }
- if (mx > xmin && mx < xmax &&
- my > ymin && my < ymax) {
- int d= dmin;
- const int index= (my<<ME_MAP_SHIFT) + mx;
- const int t= score_map[(index-(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)]
- + (mv_penalty[bx - pred_x] + mv_penalty[by-2 - pred_y])*c->penalty_factor;
- const int l= score_map[(index- 1 )&(ME_MAP_SIZE-1)]
- + (mv_penalty[bx-2 - pred_x] + mv_penalty[by - pred_y])*c->penalty_factor;
- const int r= score_map[(index+ 1 )&(ME_MAP_SIZE-1)]
- + (mv_penalty[bx+2 - pred_x] + mv_penalty[by - pred_y])*c->penalty_factor;
- const int b= score_map[(index+(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)]
- + (mv_penalty[bx - pred_x] + mv_penalty[by+2 - pred_y])*c->penalty_factor;
- #if 1
- int key;
- int map_generation= c->map_generation;
- #ifndef NDEBUG
- uint32_t *map= c->map;
- #endif
- key= ((my-1)<<ME_MAP_MV_BITS) + (mx) + map_generation;
- assert(map[(index-(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)] == key);
- key= ((my+1)<<ME_MAP_MV_BITS) + (mx) + map_generation;
- assert(map[(index+(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)] == key);
- key= ((my)<<ME_MAP_MV_BITS) + (mx+1) + map_generation;
- assert(map[(index+1)&(ME_MAP_SIZE-1)] == key);
- key= ((my)<<ME_MAP_MV_BITS) + (mx-1) + map_generation;
- assert(map[(index-1)&(ME_MAP_SIZE-1)] == key);
- #endif
- if(t<=b){
- CHECK_HALF_MV(0, 1, mx ,my-1)
- if(l<=r){
- CHECK_HALF_MV(1, 1, mx-1, my-1)
- if(t+r<=b+l){
- CHECK_HALF_MV(1, 1, mx , my-1)
- }else{
- CHECK_HALF_MV(1, 1, mx-1, my )
- }
- CHECK_HALF_MV(1, 0, mx-1, my )
- }else{
- CHECK_HALF_MV(1, 1, mx , my-1)
- if(t+l<=b+r){
- CHECK_HALF_MV(1, 1, mx-1, my-1)
- }else{
- CHECK_HALF_MV(1, 1, mx , my )
- }
- CHECK_HALF_MV(1, 0, mx , my )
- }
- }else{
- if(l<=r){
- if(t+l<=b+r){
- CHECK_HALF_MV(1, 1, mx-1, my-1)
- }else{
- CHECK_HALF_MV(1, 1, mx , my )
- }
- CHECK_HALF_MV(1, 0, mx-1, my)
- CHECK_HALF_MV(1, 1, mx-1, my)
- }else{
- if(t+r<=b+l){
- CHECK_HALF_MV(1, 1, mx , my-1)
- }else{
- CHECK_HALF_MV(1, 1, mx-1, my)
- }
- CHECK_HALF_MV(1, 0, mx , my)
- CHECK_HALF_MV(1, 1, mx , my)
- }
- CHECK_HALF_MV(0, 1, mx , my)
- }
- assert(bx >= xmin*2 && bx <= xmax*2 && by >= ymin*2 && by <= ymax*2);
- }
- *mx_ptr = bx;
- *my_ptr = by;
- return dmin;
- }
- #endif
- 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)
- {
- (*mx_ptr)<<=1;
- (*my_ptr)<<=1;
- return dmin;
- }
- int inline ff_get_mb_score(MpegEncContext * s, int mx, int my, int src_index,
- int ref_index, int size, int h, int add_rate)
- {
- // const int check_luma= s->dsp.me_sub_cmp != s->dsp.mb_cmp;
- MotionEstContext * const c= &s->me;
- const int penalty_factor= c->mb_penalty_factor;
- const int flags= c->mb_flags;
- const int qpel= flags & FLAG_QPEL;
- const int mask= 1+2*qpel;
- me_cmp_func cmp_sub, chroma_cmp_sub;
- int d;
- LOAD_COMMON
- //FIXME factorize
- cmp_sub= s->dsp.mb_cmp[size];
- chroma_cmp_sub= s->dsp.mb_cmp[size+1];
- // assert(!c->skip);
- // assert(c->avctx->me_sub_cmp != c->avctx->mb_cmp);
- d= cmp(s, mx>>(qpel+1), my>>(qpel+1), mx&mask, my&mask, size, h, ref_index, src_index, cmp_sub, chroma_cmp_sub, flags);
- //FIXME check cbp before adding penalty for (0,0) vector
- if(add_rate && (mx || my || size>0))
- d += (mv_penalty[mx - pred_x] + mv_penalty[my - pred_y])*penalty_factor;
- return d;
- }
- #define CHECK_QUARTER_MV(dx, dy, x, y)
- {
- const int hx= 4*(x)+(dx);
- const int hy= 4*(y)+(dy);
- d= cmp(s, x, y, dx, dy, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags);
- d += (mv_penalty[hx - pred_x] + mv_penalty[hy - pred_y])*penalty_factor;
- COPY3_IF_LT(dmin, d, bx, hx, by, hy)
- }
- 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)
- {
- MotionEstContext * const c= &s->me;
- const int mx = *mx_ptr;
- const int my = *my_ptr;
- const int penalty_factor= c->sub_penalty_factor;
- const int map_generation= c->map_generation;
- const int subpel_quality= c->avctx->me_subpel_quality;
- uint32_t *map= c->map;
- me_cmp_func cmpf, chroma_cmpf;
- me_cmp_func cmp_sub, chroma_cmp_sub;
- LOAD_COMMON
- int flags= c->sub_flags;
- cmpf= s->dsp.me_cmp[size];
- chroma_cmpf= s->dsp.me_cmp[size+1]; //factorize FIXME
- //FIXME factorize
- cmp_sub= s->dsp.me_sub_cmp[size];
- chroma_cmp_sub= s->dsp.me_sub_cmp[size+1];
- if(c->skip){ //FIXME somehow move up (benchmark)
- *mx_ptr = 0;
- *my_ptr = 0;
- return dmin;
- }
- if(c->avctx->me_cmp != c->avctx->me_sub_cmp){
- dmin= cmp(s, mx, my, 0, 0, size, h, ref_index, src_index, cmp_sub, chroma_cmp_sub, flags);
- if(mx || my || size>0)
- dmin += (mv_penalty[4*mx - pred_x] + mv_penalty[4*my - pred_y])*penalty_factor;
- }
- if (mx > xmin && mx < xmax &&
- my > ymin && my < ymax) {
- int bx=4*mx, by=4*my;
- int d= dmin;
- int i, nx, ny;
- const int index= (my<<ME_MAP_SHIFT) + mx;
- const int t= score_map[(index-(1<<ME_MAP_SHIFT) )&(ME_MAP_SIZE-1)];
- const int l= score_map[(index- 1 )&(ME_MAP_SIZE-1)];
- const int r= score_map[(index+ 1 )&(ME_MAP_SIZE-1)];
- const int b= score_map[(index+(1<<ME_MAP_SHIFT) )&(ME_MAP_SIZE-1)];
- const int c= score_map[(index )&(ME_MAP_SIZE-1)];
- int best[8];
- int best_pos[8][2];
- memset(best, 64, sizeof(int)*8);
- #if 1
- if(s->me.dia_size>=2){
- const int tl= score_map[(index-(1<<ME_MAP_SHIFT)-1)&(ME_MAP_SIZE-1)];
- const int bl= score_map[(index+(1<<ME_MAP_SHIFT)-1)&(ME_MAP_SIZE-1)];
- const int tr= score_map[(index-(1<<ME_MAP_SHIFT)+1)&(ME_MAP_SIZE-1)];
- const int br= score_map[(index+(1<<ME_MAP_SHIFT)+1)&(ME_MAP_SIZE-1)];
- for(ny= -3; ny <= 3; ny++){
- for(nx= -3; nx <= 3; nx++){
- //FIXME this could overflow (unlikely though)
- const int64_t t2= nx*nx*(tr + tl - 2*t) + 4*nx*(tr-tl) + 32*t;
- const int64_t c2= nx*nx*( r + l - 2*c) + 4*nx*( r- l) + 32*c;
- const int64_t b2= nx*nx*(br + bl - 2*b) + 4*nx*(br-bl) + 32*b;
- int score= (ny*ny*(b2 + t2 - 2*c2) + 4*ny*(b2 - t2) + 32*c2 + 512)>>10;
- int i;
- if((nx&3)==0 && (ny&3)==0) continue;
- score += (mv_penalty[4*mx + nx - pred_x] + mv_penalty[4*my + ny - pred_y])*penalty_factor;
- // if(nx&1) score-=1024*c->penalty_factor;
- // if(ny&1) score-=1024*c->penalty_factor;
- for(i=0; i<8; i++){
- if(score < best[i]){
- memmove(&best[i+1], &best[i], sizeof(int)*(7-i));
- memmove(&best_pos[i+1][0], &best_pos[i][0], sizeof(int)*2*(7-i));
- best[i]= score;
- best_pos[i][0]= nx + 4*mx;
- best_pos[i][1]= ny + 4*my;
- break;
- }
- }
- }
- }
- }else{
- int tl;
- //FIXME this could overflow (unlikely though)
- const int cx = 4*(r - l);
- const int cx2= r + l - 2*c;
- const int cy = 4*(b - t);
- const int cy2= b + t - 2*c;
- int cxy;
- if(map[(index-(1<<ME_MAP_SHIFT)-1)&(ME_MAP_SIZE-1)] == (my<<ME_MAP_MV_BITS) + mx + map_generation && 0){ //FIXME
- tl= score_map[(index-(1<<ME_MAP_SHIFT)-1)&(ME_MAP_SIZE-1)];
- }else{
- tl= cmp(s, mx-1, my-1, 0, 0, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags);//FIXME wrong if chroma me is different
- }
- cxy= 2*tl + (cx + cy)/4 - (cx2 + cy2) - 2*c;
- assert(16*cx2 + 4*cx + 32*c == 32*r);
- assert(16*cx2 - 4*cx + 32*c == 32*l);
- assert(16*cy2 + 4*cy + 32*c == 32*b);
- assert(16*cy2 - 4*cy + 32*c == 32*t);
- assert(16*cxy + 16*cy2 + 16*cx2 - 4*cy - 4*cx + 32*c == 32*tl);
- for(ny= -3; ny <= 3; ny++){
- for(nx= -3; nx <= 3; nx++){
- //FIXME this could overflow (unlikely though)
- int score= ny*nx*cxy + nx*nx*cx2 + ny*ny*cy2 + nx*cx + ny*cy + 32*c; //FIXME factor
- int i;
- if((nx&3)==0 && (ny&3)==0) continue;
- score += 32*(mv_penalty[4*mx + nx - pred_x] + mv_penalty[4*my + ny - pred_y])*penalty_factor;
- // if(nx&1) score-=32*c->penalty_factor;
- // if(ny&1) score-=32*c->penalty_factor;
- for(i=0; i<8; i++){
- if(score < best[i]){
- memmove(&best[i+1], &best[i], sizeof(int)*(7-i));
- memmove(&best_pos[i+1][0], &best_pos[i][0], sizeof(int)*2*(7-i));
- best[i]= score;
- best_pos[i][0]= nx + 4*mx;
- best_pos[i][1]= ny + 4*my;
- break;
- }
- }
- }
- }
- }
- for(i=0; i<subpel_quality; i++){
- nx= best_pos[i][0];
- ny= best_pos[i][1];
- CHECK_QUARTER_MV(nx&3, ny&3, nx>>2, ny>>2)
- }
- #if 0
- const int tl= score_map[(index-(1<<ME_MAP_SHIFT)-1)&(ME_MAP_SIZE-1)];
- const int bl= score_map[(index+(1<<ME_MAP_SHIFT)-1)&(ME_MAP_SIZE-1)];
- const int tr= score_map[(index-(1<<ME_MAP_SHIFT)+1)&(ME_MAP_SIZE-1)];
- const int br= score_map[(index+(1<<ME_MAP_SHIFT)+1)&(ME_MAP_SIZE-1)];
- // if(l < r && l < t && l < b && l < tl && l < bl && l < tr && l < br && bl < tl){
- if(tl<br){
- // nx= FFMAX(4*mx - bx, bx - 4*mx);
- // ny= FFMAX(4*my - by, by - 4*my);
- static int stats[7][7], count;
- count++;
- stats[4*mx - bx + 3][4*my - by + 3]++;
- if(256*256*256*64 % count ==0){
- for(i=0; i<49; i++){
- if((i%7)==0) printf("n");
- printf("%6d ", stats[0][i]);
- }
- printf("n");
- }
- }
- #endif
- #else
- CHECK_QUARTER_MV(2, 2, mx-1, my-1)
- CHECK_QUARTER_MV(0, 2, mx , my-1)
- CHECK_QUARTER_MV(2, 2, mx , my-1)
- CHECK_QUARTER_MV(2, 0, mx , my )
- CHECK_QUARTER_MV(2, 2, mx , my )
- CHECK_QUARTER_MV(0, 2, mx , my )
- CHECK_QUARTER_MV(2, 2, mx-1, my )
- CHECK_QUARTER_MV(2, 0, mx-1, my )
- nx= bx;
- ny= by;
- for(i=0; i<8; i++){
- int ox[8]= {0, 1, 1, 1, 0,-1,-1,-1};
- int oy[8]= {1, 1, 0,-1,-1,-1, 0, 1};
- CHECK_QUARTER_MV((nx + ox[i])&3, (ny + oy[i])&3, (nx + ox[i])>>2, (ny + oy[i])>>2)
- }
- #endif
- #if 0
- //outer ring
- CHECK_QUARTER_MV(1, 3, mx-1, my-1)
- CHECK_QUARTER_MV(1, 2, mx-1, my-1)
- CHECK_QUARTER_MV(1, 1, mx-1, my-1)
- CHECK_QUARTER_MV(2, 1, mx-1, my-1)
- CHECK_QUARTER_MV(3, 1, mx-1, my-1)
- CHECK_QUARTER_MV(0, 1, mx , my-1)
- CHECK_QUARTER_MV(1, 1, mx , my-1)
- CHECK_QUARTER_MV(2, 1, mx , my-1)
- CHECK_QUARTER_MV(3, 1, mx , my-1)
- CHECK_QUARTER_MV(3, 2, mx , my-1)
- CHECK_QUARTER_MV(3, 3, mx , my-1)
- CHECK_QUARTER_MV(3, 0, mx , my )
- CHECK_QUARTER_MV(3, 1, mx , my )
- CHECK_QUARTER_MV(3, 2, mx , my )
- CHECK_QUARTER_MV(3, 3, mx , my )
- CHECK_QUARTER_MV(2, 3, mx , my )
- CHECK_QUARTER_MV(1, 3, mx , my )
- CHECK_QUARTER_MV(0, 3, mx , my )
- CHECK_QUARTER_MV(3, 3, mx-1, my )
- CHECK_QUARTER_MV(2, 3, mx-1, my )
- CHECK_QUARTER_MV(1, 3, mx-1, my )
- CHECK_QUARTER_MV(1, 2, mx-1, my )
- CHECK_QUARTER_MV(1, 1, mx-1, my )
- CHECK_QUARTER_MV(1, 0, mx-1, my )
- #endif
- assert(bx >= xmin*4 && bx <= xmax*4 && by >= ymin*4 && by <= ymax*4);
- *mx_ptr = bx;
- *my_ptr = by;
- }else{
- *mx_ptr =4*mx;
- *my_ptr =4*my;
- }
- return dmin;
- }
- #define CHECK_MV(x,y)
- {
- const int key= ((y)<<ME_MAP_MV_BITS) + (x) + map_generation;
- const int index= (((y)<<ME_MAP_SHIFT) + (x))&(ME_MAP_SIZE-1);
- assert((x) >= xmin);
- assert((x) <= xmax);
- assert((y) >= ymin);
- assert((y) <= ymax);
- /*printf("check_mv %d %dn", x, y);*/
- if(map[index]!=key){
- d= cmp(s, x, y, 0, 0, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags);
- map[index]= key;
- score_map[index]= d;
- d += (mv_penalty[((x)<<shift)-pred_x] + mv_penalty[((y)<<shift)-pred_y])*penalty_factor;
- /*printf("score:%dn", d);*/
- COPY3_IF_LT(dmin, d, best[0], x, best[1], y)
- }
- }
- #define CHECK_CLIPED_MV(ax,ay)
- {
- const int x= ax;
- const int y= ay;
- const int x2= FFMAX(xmin, FFMIN(x, xmax));
- const int y2= FFMAX(ymin, FFMIN(y, ymax));
- CHECK_MV(x2, y2)
- }
- #define CHECK_MV_DIR(x,y,new_dir)
- {
- const int key= ((y)<<ME_MAP_MV_BITS) + (x) + map_generation;
- const int index= (((y)<<ME_MAP_SHIFT) + (x))&(ME_MAP_SIZE-1);
- /*printf("check_mv_dir %d %d %dn", x, y, new_dir);*/
- if(map[index]!=key){
- d= cmp(s, x, y, 0, 0, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags);
- map[index]= key;
- score_map[index]= d;
- d += (mv_penalty[((x)<<shift)-pred_x] + mv_penalty[((y)<<shift)-pred_y])*penalty_factor;
- /*printf("score:%dn", d);*/
- if(d<dmin){
- best[0]=x;
- best[1]=y;
- dmin=d;
- next_dir= new_dir;
- }
- }
- }
- #define check(x,y,S,v)
- if( (x)<(xmin<<(S)) ) printf("%d %d %d %d %d xmin" #v, xmin, (x), (y), s->mb_x, s->mb_y);
- if( (x)>(xmax<<(S)) ) printf("%d %d %d %d %d xmax" #v, xmax, (x), (y), s->mb_x, s->mb_y);
- if( (y)<(ymin<<(S)) ) printf("%d %d %d %d %d ymin" #v, ymin, (x), (y), s->mb_x, s->mb_y);
- if( (y)>(ymax<<(S)) ) printf("%d %d %d %d %d ymax" #v, ymax, (x), (y), s->mb_x, s->mb_y);
- #define LOAD_COMMON2
- uint32_t *map= c->map;
- const int qpel= flags&FLAG_QPEL;
- const int shift= 1+qpel;
- static always_inline int small_diamond_search(MpegEncContext * s, int *best, int dmin,
- int src_index, int ref_index, int const penalty_factor,
- int size, int h, int flags)
- {
- MotionEstContext * const c= &s->me;
- me_cmp_func cmpf, chroma_cmpf;
- int next_dir=-1;
- LOAD_COMMON
- LOAD_COMMON2
- int map_generation= c->map_generation;
- cmpf= s->dsp.me_cmp[size];
- chroma_cmpf= s->dsp.me_cmp[size+1];
- { /* ensure that the best point is in the MAP as h/qpel refinement needs it */
- const int key= (best[1]<<ME_MAP_MV_BITS) + best[0] + map_generation;
- const int index= ((best[1]<<ME_MAP_SHIFT) + best[0])&(ME_MAP_SIZE-1);
- if(map[index]!=key){ //this will be executed only very rarey
- score_map[index]= cmp(s, best[0], best[1], 0, 0, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags);
- map[index]= key;
- }
- }
- for(;;){
- int d;
- const int dir= next_dir;
- const int x= best[0];
- const int y= best[1];
- next_dir=-1;
- //printf("%d", dir);
- if(dir!=2 && x>xmin) CHECK_MV_DIR(x-1, y , 0)
- if(dir!=3 && y>ymin) CHECK_MV_DIR(x , y-1, 1)
- if(dir!=0 && x<xmax) CHECK_MV_DIR(x+1, y , 2)
- if(dir!=1 && y<ymax) CHECK_MV_DIR(x , y+1, 3)
- if(next_dir==-1){
- return dmin;
- }
- }
- }
- static int funny_diamond_search(MpegEncContext * s, int *best, int dmin,
- int src_index, int ref_index, int const penalty_factor,
- int size, int h, int flags)
- {
- MotionEstContext * const c= &s->me;
- me_cmp_func cmpf, chroma_cmpf;
- int dia_size;
- LOAD_COMMON
- LOAD_COMMON2
- int map_generation= c->map_generation;
- cmpf= s->dsp.me_cmp[size];
- chroma_cmpf= s->dsp.me_cmp[size+1];
- for(dia_size=1; dia_size<=4; dia_size++){
- int dir;
- const int x= best[0];
- const int y= best[1];
- if(dia_size&(dia_size-1)) continue;
- if( x + dia_size > xmax
- || x - dia_size < xmin
- || y + dia_size > ymax
- || y - dia_size < ymin)
- continue;
- for(dir= 0; dir<dia_size; dir+=2){
- int d;
- CHECK_MV(x + dir , y + dia_size - dir);
- CHECK_MV(x + dia_size - dir, y - dir );
- CHECK_MV(x - dir , y - dia_size + dir);
- CHECK_MV(x - dia_size + dir, y + dir );
- }
- if(x!=best[0] || y!=best[1])
- dia_size=0;
- #if 0
- {
- int dx, dy, i;
- static int stats[8*8];
- dx= ABS(x-best[0]);
- dy= ABS(y-best[1]);
- if(dy>dx){
- dx^=dy; dy^=dx; dx^=dy;
- }
- stats[dy*8 + dx] ++;
- if(256*256*256*64 % (stats[0]+1)==0){
- for(i=0; i<64; i++){
- if((i&7)==0) printf("n");
- printf("%8d ", stats[i]);
- }
- printf("n");
- }
- }
- #endif
- }
- return dmin;
- }
- #define SAB_CHECK_MV(ax,ay)
- {
- const int key= ((ay)<<ME_MAP_MV_BITS) + (ax) + map_generation;
- const int index= (((ay)<<ME_MAP_SHIFT) + (ax))&(ME_MAP_SIZE-1);
- /*printf("sab check %d %dn", ax, ay);*/
- if(map[index]!=key){
- d= cmp(s, ax, ay, 0, 0, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags);
- map[index]= key;
- score_map[index]= d;
- d += (mv_penalty[((ax)<<shift)-pred_x] + mv_penalty[((ay)<<shift)-pred_y])*penalty_factor;
- /*printf("score: %dn", d);*/
- if(d < minima[minima_count-1].height){
- int j=0;
- while(d >= minima[j].height) j++;
- memmove(&minima [j+1], &minima [j], (minima_count - j - 1)*sizeof(Minima));
- minima[j].checked= 0;
- minima[j].height= d;
- minima[j].x= ax;
- minima[j].y= ay;
- i=-1;
- continue;
- }
- }
- }
- #define MAX_SAB_SIZE ME_MAP_SIZE
- static int sab_diamond_search(MpegEncContext * s, int *best, int dmin,
- int src_index, int ref_index, int const penalty_factor,
- int size, int h, int flags)
- {
- MotionEstContext * const c= &s->me;
- me_cmp_func cmpf, chroma_cmpf;
- Minima minima[MAX_SAB_SIZE];
- const int minima_count= ABS(c->dia_size);
- int i, j;
- LOAD_COMMON
- LOAD_COMMON2
- int map_generation= c->map_generation;
- cmpf= s->dsp.me_cmp[size];
- chroma_cmpf= s->dsp.me_cmp[size+1];
- for(j=i=0; i<ME_MAP_SIZE; i++){
- uint32_t key= map[i];
- key += (1<<(ME_MAP_MV_BITS-1)) + (1<<(2*ME_MAP_MV_BITS-1));
- if((key&((-1)<<(2*ME_MAP_MV_BITS))) != map_generation) continue;
- assert(j<MAX_SAB_SIZE); //max j = number of predictors
- minima[j].height= score_map[i];
- minima[j].x= key & ((1<<ME_MAP_MV_BITS)-1); key>>=ME_MAP_MV_BITS;
- minima[j].y= key & ((1<<ME_MAP_MV_BITS)-1);
- minima[j].x-= (1<<(ME_MAP_MV_BITS-1));
- minima[j].y-= (1<<(ME_MAP_MV_BITS-1));
- minima[j].checked=0;
- if(minima[j].x || minima[j].y)
- minima[j].height+= (mv_penalty[((minima[j].x)<<shift)-pred_x] + mv_penalty[((minima[j].y)<<shift)-pred_y])*penalty_factor;
- j++;
- }
- qsort(minima, j, sizeof(Minima), minima_cmp);
- for(; j<minima_count; j++){
- minima[j].height=256*256*256*64;
- minima[j].checked=0;
- minima[j].x= minima[j].y=0;
- }
- for(i=0; i<minima_count; i++){
- const int x= minima[i].x;
- const int y= minima[i].y;
- int d;
- if(minima[i].checked) continue;
- if( x >= xmax || x <= xmin
- || y >= ymax || y <= ymin)
- continue;
- SAB_CHECK_MV(x-1, y)
- SAB_CHECK_MV(x+1, y)
- SAB_CHECK_MV(x , y-1)
- SAB_CHECK_MV(x , y+1)
- minima[i].checked= 1;
- }
- best[0]= minima[0].x;
- best[1]= minima[0].y;
- dmin= minima[0].height;
- if( best[0] < xmax && best[0] > xmin
- && best[1] < ymax && best[1] > ymin){
- int d;
- //ensure that the refernece samples for hpel refinement are in the map
- CHECK_MV(best[0]-1, best[1])
- CHECK_MV(best[0]+1, best[1])
- CHECK_MV(best[0], best[1]-1)
- CHECK_MV(best[0], best[1]+1)
- }
- return dmin;
- }
- static int var_diamond_search(MpegEncContext * s, int *best, int dmin,
- int src_index, int ref_index, int const penalty_factor,
- int size, int h, int flags)
- {
- MotionEstContext * const c= &s->me;
- me_cmp_func cmpf, chroma_cmpf;
- int dia_size;
- LOAD_COMMON
- LOAD_COMMON2
- int map_generation= c->map_generation;
- cmpf= s->dsp.me_cmp[size];
- chroma_cmpf= s->dsp.me_cmp[size+1];
- for(dia_size=1; dia_size<=c->dia_size; dia_size++){
- int dir, start, end;
- const int x= best[0];
- const int y= best[1];
- start= FFMAX(0, y + dia_size - ymax);
- end = FFMIN(dia_size, xmax - x + 1);
- for(dir= start; dir<end; dir++){
- int d;
- //check(x + dir,y + dia_size - dir,0, a0)
- CHECK_MV(x + dir , y + dia_size - dir);
- }
- start= FFMAX(0, x + dia_size - xmax);
- end = FFMIN(dia_size, y - ymin + 1);
- for(dir= start; dir<end; dir++){
- int d;
- //check(x + dia_size - dir, y - dir,0, a1)
- CHECK_MV(x + dia_size - dir, y - dir );
- }
- start= FFMAX(0, -y + dia_size + ymin );
- end = FFMIN(dia_size, x - xmin + 1);
- for(dir= start; dir<end; dir++){
- int d;
- //check(x - dir,y - dia_size + dir,0, a2)
- CHECK_MV(x - dir , y - dia_size + dir);
- }
- start= FFMAX(0, -x + dia_size + xmin );
- end = FFMIN(dia_size, ymax - y + 1);
- for(dir= start; dir<end; dir++){
- int d;
- //check(x - dia_size + dir, y + dir,0, a3)
- CHECK_MV(x - dia_size + dir, y + dir );
- }
- if(x!=best[0] || y!=best[1])
- dia_size=0;
- #if 0
- {
- int dx, dy, i;
- static int stats[8*8];
- dx= ABS(x-best[0]);
- dy= ABS(y-best[1]);
- stats[dy*8 + dx] ++;
- if(256*256*256*64 % (stats[0]+1)==0){
- for(i=0; i<64; i++){
- if((i&7)==0) printf("n");
- printf("%6d ", stats[i]);
- }
- printf("n");
- }
- }
- #endif
- }
- return dmin;
- }
- static always_inline int diamond_search(MpegEncContext * s, int *best, int dmin,
- int src_index, int ref_index, int const penalty_factor,
- int size, int h, int flags){
- MotionEstContext * const c= &s->me;
- if(c->dia_size==-1)
- return funny_diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
- else if(c->dia_size<-1)
- return sab_diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
- else if(c->dia_size<2)
- return small_diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
- else
- return var_diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
- }
- static always_inline int epzs_motion_search_internal(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 flags, int size, int h)
- {
- MotionEstContext * const c= &s->me;
- int best[2]={0, 0};
- int d, dmin;
- int map_generation;
- int penalty_factor;
- const int ref_mv_stride= s->mb_stride; //pass as arg FIXME
- const int ref_mv_xy= s->mb_x + s->mb_y*ref_mv_stride; //add to last_mv beforepassing FIXME
- me_cmp_func cmpf, chroma_cmpf;
- LOAD_COMMON
- LOAD_COMMON2
- if(c->pre_pass){
- penalty_factor= c->pre_penalty_factor;
- cmpf= s->dsp.me_pre_cmp[size];
- chroma_cmpf= s->dsp.me_pre_cmp[size+1];
- }else{
- penalty_factor= c->penalty_factor;
- cmpf= s->dsp.me_cmp[size];
- chroma_cmpf= s->dsp.me_cmp[size+1];
- }
- map_generation= update_map_generation(c);
- assert(cmpf);
- dmin= cmp(s, 0, 0, 0, 0, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags);
- map[0]= map_generation;
- score_map[0]= dmin;
- /* first line */
- if (s->first_slice_line) {
- CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
- CHECK_CLIPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
- (last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
- }else{
- if(dmin<h*h && ( P_LEFT[0] |P_LEFT[1]
- |P_TOP[0] |P_TOP[1]
- |P_TOPRIGHT[0]|P_TOPRIGHT[1])==0){
- *mx_ptr= 0;
- *my_ptr= 0;
- c->skip=1;
- return dmin;
- }
- CHECK_MV(P_MEDIAN[0]>>shift, P_MEDIAN[1]>>shift)
- if(dmin>h*h*2){
- CHECK_CLIPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
- (last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
- CHECK_MV(P_LEFT[0] >>shift, P_LEFT[1] >>shift)
- CHECK_MV(P_TOP[0] >>shift, P_TOP[1] >>shift)
- CHECK_MV(P_TOPRIGHT[0]>>shift, P_TOPRIGHT[1]>>shift)
- }
- }
- if(dmin>h*h*4){
- if(c->pre_pass){
- CHECK_CLIPED_MV((last_mv[ref_mv_xy-1][0]*ref_mv_scale + (1<<15))>>16,
- (last_mv[ref_mv_xy-1][1]*ref_mv_scale + (1<<15))>>16)
- if(!s->first_slice_line)
- CHECK_CLIPED_MV((last_mv[ref_mv_xy-ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16,
- (last_mv[ref_mv_xy-ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16)
- }else{
- CHECK_CLIPED_MV((last_mv[ref_mv_xy+1][0]*ref_mv_scale + (1<<15))>>16,
- (last_mv[ref_mv_xy+1][1]*ref_mv_scale + (1<<15))>>16)
- if(s->mb_y+1<s->end_mb_y) //FIXME replace at least with last_slice_line
- CHECK_CLIPED_MV((last_mv[ref_mv_xy+ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16,
- (last_mv[ref_mv_xy+ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16)
- }
- }
- if(c->avctx->last_predictor_count){
- const int count= c->avctx->last_predictor_count;
- const int xstart= FFMAX(0, s->mb_x - count);
- const int ystart= FFMAX(0, s->mb_y - count);
- const int xend= FFMIN(s->mb_width , s->mb_x + count + 1);
- const int yend= FFMIN(s->mb_height, s->mb_y + count + 1);
- int mb_y;
- for(mb_y=ystart; mb_y<yend; mb_y++){
- int mb_x;
- for(mb_x=xstart; mb_x<xend; mb_x++){
- const int xy= mb_x + 1 + (mb_y + 1)*ref_mv_stride;
- int mx= (last_mv[xy][0]*ref_mv_scale + (1<<15))>>16;
- int my= (last_mv[xy][1]*ref_mv_scale + (1<<15))>>16;
- if(mx>xmax || mx<xmin || my>ymax || my<ymin) continue;
- CHECK_MV(mx,my)
- }
- }
- }
- //check(best[0],best[1],0, b0)
- dmin= diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
- //check(best[0],best[1],0, b1)
- *mx_ptr= best[0];
- *my_ptr= best[1];
- // printf("%d %d %d n", best[0], best[1], dmin);
- return dmin;
- }
- //this function is dedicated to the braindamaged gcc
- inline int ff_epzs_motion_search(MpegEncContext * s, int *mx_ptr, int *my_ptr,
- int P[10][2], int src_index, int ref_index, int16_t (*last_mv)[2],
- int ref_mv_scale, int size, int h)
- {
- MotionEstContext * const c= &s->me;
- //FIXME convert other functions in the same way if faster
- if(c->flags==0 && h==16 && size==0){
- return epzs_motion_search_internal(s, mx_ptr, my_ptr, P, src_index, ref_index, last_mv, ref_mv_scale, 0, 0, 16);
- // case FLAG_QPEL:
- // return epzs_motion_search_internal(s, mx_ptr, my_ptr, P, src_index, ref_index, last_mv, ref_mv_scale, FLAG_QPEL);
- }else{
- return epzs_motion_search_internal(s, mx_ptr, my_ptr, P, src_index, ref_index, last_mv, ref_mv_scale, c->flags, size, h);
- }
- }
- 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)
- {
- MotionEstContext * const c= &s->me;
- int best[2]={0, 0};
- int d, dmin;
- int map_generation;
- const int penalty_factor= c->penalty_factor;
- const int size=1;
- const int h=8;
- const int ref_mv_stride= s->mb_stride;
- const int ref_mv_xy= s->mb_x + s->mb_y *ref_mv_stride;
- me_cmp_func cmpf, chroma_cmpf;
- LOAD_COMMON
- int flags= c->flags;
- LOAD_COMMON2
- cmpf= s->dsp.me_cmp[size];
- chroma_cmpf= s->dsp.me_cmp[size+1];
- map_generation= update_map_generation(c);
- dmin = 1000000;
- //printf("%d %d %d %d //",xmin, ymin, xmax, ymax);
- /* first line */
- if (s->first_slice_line) {
- CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
- CHECK_CLIPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
- (last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
- CHECK_MV(P_MV1[0]>>shift, P_MV1[1]>>shift)
- }else{
- CHECK_MV(P_MV1[0]>>shift, P_MV1[1]>>shift)
- //FIXME try some early stop
- if(dmin>64*2){
- CHECK_MV(P_MEDIAN[0]>>shift, P_MEDIAN[1]>>shift)
- CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
- CHECK_MV(P_TOP[0]>>shift, P_TOP[1]>>shift)
- CHECK_MV(P_TOPRIGHT[0]>>shift, P_TOPRIGHT[1]>>shift)
- CHECK_CLIPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
- (last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
- }
- }
- if(dmin>64*4){
- CHECK_CLIPED_MV((last_mv[ref_mv_xy+1][0]*ref_mv_scale + (1<<15))>>16,
- (last_mv[ref_mv_xy+1][1]*ref_mv_scale + (1<<15))>>16)
- if(s->mb_y+1<s->end_mb_y) //FIXME replace at least with last_slice_line
- CHECK_CLIPED_MV((last_mv[ref_mv_xy+ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16,
- (last_mv[ref_mv_xy+ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16)
- }
- dmin= diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
- *mx_ptr= best[0];
- *my_ptr= best[1];
- // printf("%d %d %d n", best[0], best[1], dmin);
- return dmin;
- }
- //try to merge with above FIXME (needs PSNR test)
- 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)
- {
- MotionEstContext * const c= &s->me;
- int best[2]={0, 0};
- int d, dmin;
- int map_generation;
- const int penalty_factor= c->penalty_factor;
- const int size=0; //FIXME pass as arg
- const int h=8;
- const int ref_mv_stride= s->mb_stride;
- const int ref_mv_xy= s->mb_x + s->mb_y *ref_mv_stride;
- me_cmp_func cmpf, chroma_cmpf;
- LOAD_COMMON
- int flags= c->flags;
- LOAD_COMMON2
- cmpf= s->dsp.me_cmp[size];
- chroma_cmpf= s->dsp.me_cmp[size+1];
- map_generation= update_map_generation(c);
- dmin = 1000000;
- //printf("%d %d %d %d //",xmin, ymin, xmax, ymax);
- /* first line */
- if (s->first_slice_line) {
- CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
- CHECK_CLIPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
- (last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
- CHECK_MV(P_MV1[0]>>shift, P_MV1[1]>>shift)
- }else{
- CHECK_MV(P_MV1[0]>>shift, P_MV1[1]>>shift)
- //FIXME try some early stop
- if(dmin>64*2){
- CHECK_MV(P_MEDIAN[0]>>shift, P_MEDIAN[1]>>shift)
- CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
- CHECK_MV(P_TOP[0]>>shift, P_TOP[1]>>shift)
- CHECK_MV(P_TOPRIGHT[0]>>shift, P_TOPRIGHT[1]>>shift)
- CHECK_CLIPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
- (last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
- }
- }
- if(dmin>64*4){
- CHECK_CLIPED_MV((last_mv[ref_mv_xy+1][0]*ref_mv_scale + (1<<15))>>16,
- (last_mv[ref_mv_xy+1][1]*ref_mv_scale + (1<<15))>>16)
- if(s->mb_y+1<s->end_mb_y) //FIXME replace at least with last_slice_line
- CHECK_CLIPED_MV((last_mv[ref_mv_xy+ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16,
- (last_mv[ref_mv_xy+ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16)
- }
- dmin= diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
- *mx_ptr= best[0];
- *my_ptr= best[1];
- // printf("%d %d %d n", best[0], best[1], dmin);
- return dmin;
- }