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1457ab5233
ffmpeg/libavcodec/motion_est_template.c
Michael Niedermayer 1457ab5233 qpel encoding 
4mv+b frames encoding finally fixed
chroma ME
5 comparission functions for ME
b frame encoding speedup
wmv2 codec (unfinished)
user specified diamond size for EPZS

Originally committed as revision 1365 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-12-27 23:51:46 +00:00

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/*
* Motion estimation
* Copyright (c) 2002 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
*
*/
//lets hope gcc will remove the unused vars ...(gcc 3.2.2 seems to do it ...)
//Note, the last line is there to kill these ugly unused var warnings
#define LOAD_COMMON(x, y)\
uint32_t * const score_map= s->me.score_map;\
const int stride= s->linesize;\
const int uvstride= s->uvlinesize;\
const int time_pp= s->pp_time;\
const int time_pb= s->pb_time;\
uint8_t * const src_y= s->new_picture.data[0] + ((y) * stride) + (x);\
uint8_t * const src_u= s->new_picture.data[1] + (((y)>>1) * uvstride) + ((x)>>1);\
uint8_t * const src_v= s->new_picture.data[2] + (((y)>>1) * uvstride) + ((x)>>1);\
uint8_t * const ref_y= ref_picture->data[0] + ((y) * stride) + (x);\
uint8_t * const ref_u= ref_picture->data[1] + (((y)>>1) * uvstride) + ((x)>>1);\
uint8_t * const ref_v= ref_picture->data[2] + (((y)>>1) * uvstride) + ((x)>>1);\
uint8_t * const ref2_y= s->next_picture.data[0] + ((y) * stride) + (x);\
op_pixels_func (*hpel_put)[4];\
op_pixels_func (*hpel_avg)[4]= &s->dsp.avg_pixels_tab[size];\
op_pixels_func (*chroma_hpel_put)[4];\
qpel_mc_func (*qpel_put)[16];\
qpel_mc_func (*qpel_avg)[16]= &s->dsp.avg_qpel_pixels_tab[size];\
const __attribute__((unused)) int unu= time_pp + time_pb + (int)src_u + (int)src_v + (int)ref_u + (int)ref_v\
+ (int)ref2_y + (int)hpel_avg + (int)qpel_avg;\
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];\
qpel_put= &s->dsp.put_no_rnd_qpel_pixels_tab[size];\
}else{\
hpel_put=& s->dsp.put_pixels_tab[size];\
chroma_hpel_put= &s->dsp.put_pixels_tab[size+1];\
qpel_put= &s->dsp.put_qpel_pixels_tab[size];\
}
#ifdef CMP_HPEL
#define CHECK_HALF_MV(dx, dy, x, y)\
{\
const int hx= 2*(x)+(dx);\
const int hy= 2*(y)+(dy);\
CMP_HPEL(d, dx, dy, x, y, size);\
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 RENAME(hpel_motion_search)(MpegEncContext * s,
int *mx_ptr, int *my_ptr, int dmin,
int xmin, int ymin, int xmax, int ymax,
int pred_x, int pred_y, Picture *ref_picture,
int n, int size)
{
UINT8 *ptr;
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;
LOAD_COMMON(xx, yy);
// 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];
}
cmp= s->dsp.me_cmp[size];
chroma_cmp= 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(s->me.skip){ //FIXME somehow move up (benchmark)
*mx_ptr = 0;
*my_ptr = 0;
return dmin;
}
if(s->avctx->me_cmp != s->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 RENAME(hpel_motion_search)(MpegEncContext * s,
int *mx_ptr, int *my_ptr, int dmin,
int xmin, int ymin, int xmax, int ymax,
int pred_x, int pred_y, Picture *ref_picture,
int n, int size, uint16_t * const mv_penalty)
{
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= s->me.sub_penalty_factor;
me_cmp_func cmp_sub, chroma_cmp_sub;
LOAD_COMMON(xx, yy);
//FIXME factorize
cmp_sub= s->dsp.me_sub_cmp[size];
chroma_cmp_sub= s->dsp.me_sub_cmp[size+1];
if(s->me.skip){ //FIXME move out of hpel?
*mx_ptr = 0;
*my_ptr = 0;
return dmin;
}
if(s->avctx->me_cmp != s->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;
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])*penalty_factor;
const int l= score_map[(index- 1 )&(ME_MAP_SIZE-1)]
+ (mv_penalty[bx-2 - pred_x] + mv_penalty[by - pred_y])*penalty_factor;
const int r= score_map[(index+ 1 )&(ME_MAP_SIZE-1)]
+ (mv_penalty[bx+2 - pred_x] + mv_penalty[by - pred_y])*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])*penalty_factor;
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;
}else{
*mx_ptr =2*mx;
*my_ptr =2*my;
}
return dmin;
}
#endif
#endif /* CMP_HPEL */
#ifdef CMP_QPEL
#define CHECK_QUARTER_MV(dx, dy, x, y)\
{\
const int hx= 4*(x)+(dx);\
const int hy= 4*(y)+(dy);\
CMP_QPEL(d, dx, dy, x, y, size);\
d += (mv_penalty[hx - pred_x] + mv_penalty[hy - pred_y])*penalty_factor;\
COPY3_IF_LT(dmin, d, bx, hx, by, hy)\
}
static int RENAME(qpel_motion_search)(MpegEncContext * s,
int *mx_ptr, int *my_ptr, int dmin,
int xmin, int ymin, int xmax, int ymax,
int pred_x, int pred_y, Picture *ref_picture,
int n, int size, uint16_t * const mv_penalty)
{
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= s->me.sub_penalty_factor;
const int map_generation= s->me.map_generation;
uint32_t *map= s->me.map;
me_cmp_func cmp, chroma_cmp;
me_cmp_func cmp_sub, chroma_cmp_sub;
LOAD_COMMON(xx, yy);
cmp= s->dsp.me_cmp[size];
chroma_cmp= 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(s->me.skip){ //FIXME somehow move up (benchmark)
*mx_ptr = 0;
*my_ptr = 0;
return dmin;
}
if(s->avctx->me_cmp != s->avctx->me_sub_cmp){
CMP_QPEL(dmin, 0, 0, mx, my, size);
if(mx || my)
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->avctx->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++){
const int t2= nx*nx*(tr + tl - 2*t) + 4*nx*(tr-tl) + 32*t;
const int c2= nx*nx*( r + l - 2*c) + 4*nx*( r- l) + 32*c;
const int 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;
int i;
if((nx&3)==0 && (ny&3)==0) continue;
score += 1024*(mv_penalty[4*mx + nx - pred_x] + mv_penalty[4*my + ny - pred_y])*penalty_factor;
// if(nx&1) score-=1024*s->me.penalty_factor;
// if(ny&1) score-=1024*s->me.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;
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{
CMP(tl, mx-1, my-1, size); //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++){
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*s->me.penalty_factor;
// if(ny&1) score-=32*s->me.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<8; i++){
nx= best_pos[i][0];
ny= best_pos[i][1];
CHECK_QUARTER_MV(nx&3, ny&3, nx>>2, ny>>2)
}
#if 0
nx= FFMAX(4*mx - bx, bx - 4*mx);
ny= FFMAX(4*my - by, by - 4*my);
static int stats[4][4];
stats[nx][ny]++;
if(256*256*256*64 % (stats[0][0]+1) ==0){
for(i=0; i<16; i++){
if((i&3)==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;
}
#endif /* CMP_QPEL */
#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);\
if(map[index]!=key){\
CMP(d, x, y, size);\
map[index]= key;\
score_map[index]= d;\
d += (mv_penalty[((x)<<shift)-pred_x] + mv_penalty[((y)<<shift)-pred_y])*penalty_factor;\
COPY3_IF_LT(dmin, d, best[0], x, best[1], y)\
}\
}
#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);\
if(map[index]!=key){\
CMP(d, x, y, size);\
map[index]= key;\
score_map[index]= d;\
d += (mv_penalty[((x)<<shift)-pred_x] + mv_penalty[((y)<<shift)-pred_y])*penalty_factor;\
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);\
static inline int RENAME(small_diamond_search)(MpegEncContext * s, int *best, int dmin,
Picture *ref_picture,
int const pred_x, int const pred_y, int const penalty_factor,
int const xmin, int const ymin, int const xmax, int const ymax, int const shift,
uint32_t *map, int map_generation, int size, uint16_t * const mv_penalty
)
{
me_cmp_func cmp, chroma_cmp;
int next_dir=-1;
LOAD_COMMON(s->mb_x*16, s->mb_y*16);
cmp= s->dsp.me_cmp[size];
chroma_cmp= s->dsp.me_cmp[size+1];
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 inline int RENAME(var_diamond_search)(MpegEncContext * s, int *best, int dmin,
Picture *ref_picture,
int const pred_x, int const pred_y, int const penalty_factor,
int const xmin, int const ymin, int const xmax, int const ymax, int const shift,
uint32_t *map, int map_generation, int size, uint16_t * const mv_penalty
)
{
me_cmp_func cmp, chroma_cmp;
int dia_size=1;
LOAD_COMMON(s->mb_x*16, s->mb_y*16);
cmp= s->dsp.me_cmp[size];
chroma_cmp= s->dsp.me_cmp[size+1];
for(dia_size=1; dia_size<=s->avctx->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);
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);
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);
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);
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;
}
return dmin;
}
static int RENAME(epzs_motion_search)(MpegEncContext * s, int block,
int *mx_ptr, int *my_ptr,
int P[10][2], int pred_x, int pred_y,
int xmin, int ymin, int xmax, int ymax, Picture *ref_picture, uint16_t * const mv_penalty)
{
int best[2]={0, 0};
int d, dmin;
const int shift= 1+s->quarter_sample;
uint32_t *map= s->me.map;
int map_generation;
const int penalty_factor= s->me.penalty_factor;
const int size=0;
me_cmp_func cmp, chroma_cmp;
LOAD_COMMON(s->mb_x*16, s->mb_y*16);
cmp= s->dsp.me_cmp[size];
chroma_cmp= s->dsp.me_cmp[size+1];
map_generation= update_map_generation(s);
CMP(dmin, 0, 0, size);
map[0]= map_generation;
score_map[0]= dmin;
/* first line */
if ((s->mb_y == 0 || s->first_slice_line)) {
CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
CHECK_MV(P_LAST[0]>>shift, P_LAST[1]>>shift)
}else{
if(dmin<256 && ( P_LEFT[0] |P_LEFT[1]
|P_TOP[0] |P_TOP[1]
|P_TOPRIGHT[0]|P_TOPRIGHT[1])==0 && s->avctx->dia_size==0){
*mx_ptr= 0;
*my_ptr= 0;
s->me.skip=1;
return dmin;
}
CHECK_MV(P_MEDIAN[0]>>shift, P_MEDIAN[1]>>shift)
if(dmin>256*2){
CHECK_MV(P_LAST[0] >>shift, P_LAST[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)
}
}
if(dmin>256*4){
CHECK_MV(P_LAST_RIGHT[0] >>shift, P_LAST_RIGHT[1] >>shift)
CHECK_MV(P_LAST_BOTTOM[0]>>shift, P_LAST_BOTTOM[1]>>shift)
}
#if 0 //doest only slow things down
if(dmin>512*3){
int step;
dmin= score_map[0];
best[0]= best[1]=0;
for(step=128; step>0; step>>=1){
const int step2= step;
int y;
for(y=-step2+best[1]; y<=step2+best[1]; y+=step){
int x;
if(y<ymin || y>ymax) continue;
for(x=-step2+best[0]; x<=step2+best[0]; x+=step){
if(x<xmin || x>xmax) continue;
if(x==best[0] && y==best[1]) continue;
CHECK_MV(x,y)
}
}
}
}
#endif
//check(best[0],best[1],0, b0)
if(s->avctx->dia_size<2)
dmin= RENAME(small_diamond_search)(s, best, dmin, ref_picture,
pred_x, pred_y, penalty_factor, xmin, ymin, xmax, ymax,
shift, map, map_generation, size, mv_penalty);
else
dmin= RENAME(var_diamond_search)(s, best, dmin, ref_picture,
pred_x, pred_y, penalty_factor, xmin, ymin, xmax, ymax,
shift, map, map_generation, size, mv_penalty);
//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;
}
#ifndef CMP_DIRECT /* no 4mv search needed in direct mode */
static int RENAME(epzs_motion_search4)(MpegEncContext * s, int block,
int *mx_ptr, int *my_ptr,
int P[10][2], int pred_x, int pred_y,
int xmin, int ymin, int xmax, int ymax, Picture *ref_picture, uint16_t * const mv_penalty)
{
int best[2]={0, 0};
int d, dmin;
const int shift= 1+s->quarter_sample;
uint32_t *map= s->me.map;
int map_generation;
const int penalty_factor= s->me.penalty_factor;
const int size=1;
me_cmp_func cmp, chroma_cmp;
LOAD_COMMON((s->mb_x*2 + (block&1))*8, (s->mb_y*2 + (block>>1))*8);
cmp= s->dsp.me_cmp[size];
chroma_cmp= s->dsp.me_cmp[size+1];
map_generation= update_map_generation(s);
dmin = 1000000;
//printf("%d %d %d %d //",xmin, ymin, xmax, ymax);
/* first line */
if ((s->mb_y == 0 || s->first_slice_line) && block<2) {
CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
CHECK_MV(P_LAST[0]>>shift, P_LAST[1]>>shift)
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_MV(P_LAST[0]>>shift, P_LAST[1]>>shift)
}
}
if(dmin>64*4){
CHECK_MV(P_LAST_RIGHT[0]>>shift, P_LAST_RIGHT[1]>>shift)
CHECK_MV(P_LAST_BOTTOM[0]>>shift, P_LAST_BOTTOM[1]>>shift)
}
if(s->avctx->dia_size<2)
dmin= RENAME(small_diamond_search)(s, best, dmin, ref_picture,
pred_x, pred_y, penalty_factor, xmin, ymin, xmax, ymax,
shift, map, map_generation, size, mv_penalty);
else
dmin= RENAME(var_diamond_search)(s, best, dmin, ref_picture,
pred_x, pred_y, penalty_factor, xmin, ymin, xmax, ymax,
shift, map, map_generation, size, mv_penalty);
*mx_ptr= best[0];
*my_ptr= best[1];
// printf("%d %d %d \n", best[0], best[1], dmin);
return dmin;
}
#endif /* !CMP_DIRECT */
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