/*
- * Motion estimation
+ * Motion estimation
* Copyright (c) 2002-2004 Michael Niedermayer
*
- * This library is free software; you can redistribute it and/or
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * FFmpeg 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
- *
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-
+
/**
- * @file motion_est_template.c
+ * @file libavcodec/motion_est_template.c
* Motion estimation template.
*/
-//lets hope gcc will remove the unused vars ...(gcc 3.2.2 seems to do it ...)
+//Let us hope gcc will remove the unused vars ...(gcc 3.2.2 seems to do it ...)
#define LOAD_COMMON\
- uint32_t * const score_map= c->score_map;\
- const int xmin= c->xmin;\
- const int ymin= c->ymin;\
- const int xmax= c->xmax;\
- const int ymax= c->ymax;\
+ uint32_t av_unused * const score_map= c->score_map;\
+ const int av_unused xmin= c->xmin;\
+ const int av_unused ymin= c->ymin;\
+ const int av_unused xmax= c->xmax;\
+ const int av_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;\
#if 0
static int hpel_motion_search)(MpegEncContext * s,
- int *mx_ptr, int *my_ptr, int dmin,
- uint8_t *ref_data[3],
+ 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 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;
*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 &&
+
+ 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(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(0, 1, mx , my )
CHECK_HALF_MV(1, 1, mx , my )
assert(bx >= xmin*2 || bx <= xmax*2 || by >= ymin*2 || by <= ymax*2);
#else
static int hpel_motion_search(MpegEncContext * s,
- int *mx_ptr, int *my_ptr, int dmin,
+ 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 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];
*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 &&
+
+ 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)]
+ 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;
+ (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;
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
+#endif
if(t<=b){
CHECK_HALF_MV(0, 1, mx ,my-1)
if(l<=r){
*mx_ptr = bx;
*my_ptr = by;
-
+
return dmin;
}
#endif
-int inline ff_get_mb_score(MpegEncContext * s, int mx, int my, int src_index,
+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;
+}
+
+inline int 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;
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);
//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;
}
}
static int qpel_motion_search(MpegEncContext * s,
- int *mx_ptr, int *my_ptr, int dmin,
- int src_index, int ref_index,
+ 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 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;
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
*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 &&
+
+ if (mx > xmin && mx < xmax &&
my > ymin && my < ymax) {
int bx=4*mx, by=4*my;
int d= dmin;
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){
+ 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 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));
int tl;
//FIXME this could overflow (unlikely though)
const int cx = 4*(r - l);
- const int cx2= r + l - 2*c;
+ 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;
-
+
+ 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));
}
}
}
- }
+ }
}
for(i=0; i<subpel_quality; i++){
nx= best_pos[i][0];
// 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]++;
#else
CHECK_QUARTER_MV(2, 2, mx-1, my-1)
- CHECK_QUARTER_MV(0, 2, mx , 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};
}\
}
-#define CHECK_CLIPED_MV(ax,ay)\
+#define CHECK_CLIPPED_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)\
+ const int Lx= ax;\
+ const int Ly= ay;\
+ const int Lx2= FFMAX(xmin, FFMIN(Lx, xmax));\
+ const int Ly2= FFMAX(ymin, FFMIN(Ly, ymax));\
+ CHECK_MV(Lx2, Ly2)\
}
#define CHECK_MV_DIR(x,y,new_dir)\
const int qpel= flags&FLAG_QPEL;\
const int shift= 1+qpel;\
-static always_inline int small_diamond_search(MpegEncContext * s, int *best, int dmin,
+static av_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)
{
LOAD_COMMON
LOAD_COMMON2
int map_generation= c->map_generation;
-
+
cmpf= s->dsp.me_cmp[size];
chroma_cmpf= s->dsp.me_cmp[size+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];
int dir;
const int x= best[0];
const int y= best[1];
-
+
if(dia_size&(dia_size-1)) continue;
if( x + dia_size > xmax
|| y + dia_size > ymax
|| y - dia_size < ymin)
continue;
-
+
for(dir= 0; dir<dia_size; dir+=2){
int d;
{
int dx, dy, i;
static int stats[8*8];
-dx= ABS(x-best[0]);
-dy= ABS(y-best[1]);
+dx= FFABS(x-best[0]);
+dy= FFABS(y-best[1]);
if(dy>dx){
dx^=dy; dy^=dx; dx^=dy;
}
}
#endif
}
- return dmin;
+ return dmin;
+}
+
+static int hex_search(MpegEncContext * s, int *best, int dmin,
+ int src_index, int ref_index, int const penalty_factor,
+ int size, int h, int flags, int dia_size)
+{
+ MotionEstContext * const c= &s->me;
+ me_cmp_func cmpf, chroma_cmpf;
+ LOAD_COMMON
+ LOAD_COMMON2
+ int map_generation= c->map_generation;
+ int x,y,d;
+ const int dec= dia_size & (dia_size-1);
+
+ cmpf= s->dsp.me_cmp[size];
+ chroma_cmpf= s->dsp.me_cmp[size+1];
+
+ for(;dia_size; dia_size= dec ? dia_size-1 : dia_size>>1){
+ do{
+ x= best[0];
+ y= best[1];
+
+ CHECK_CLIPPED_MV(x -dia_size , y);
+ CHECK_CLIPPED_MV(x+ dia_size , y);
+ CHECK_CLIPPED_MV(x+( dia_size>>1), y+dia_size);
+ CHECK_CLIPPED_MV(x+( dia_size>>1), y-dia_size);
+ if(dia_size>1){
+ CHECK_CLIPPED_MV(x+(-dia_size>>1), y+dia_size);
+ CHECK_CLIPPED_MV(x+(-dia_size>>1), y-dia_size);
+ }
+ }while(best[0] != x || best[1] != y);
+ }
+
+ return dmin;
+}
+
+static int l2s_dia_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;
+ LOAD_COMMON
+ LOAD_COMMON2
+ int map_generation= c->map_generation;
+ int x,y,i,d;
+ int dia_size= c->dia_size&0xFF;
+ const int dec= dia_size & (dia_size-1);
+ static const int hex[8][2]={{-2, 0}, {-1,-1}, { 0,-2}, { 1,-1},
+ { 2, 0}, { 1, 1}, { 0, 2}, {-1, 1}};
+
+ cmpf= s->dsp.me_cmp[size];
+ chroma_cmpf= s->dsp.me_cmp[size+1];
+
+ for(; dia_size; dia_size= dec ? dia_size-1 : dia_size>>1){
+ do{
+ x= best[0];
+ y= best[1];
+ for(i=0; i<8; i++){
+ CHECK_CLIPPED_MV(x+hex[i][0]*dia_size, y+hex[i][1]*dia_size);
+ }
+ }while(best[0] != x || best[1] != y);
+ }
+
+ x= best[0];
+ y= best[1];
+ CHECK_CLIPPED_MV(x+1, y);
+ CHECK_CLIPPED_MV(x, y+1);
+ CHECK_CLIPPED_MV(x-1, y);
+ CHECK_CLIPPED_MV(x, y-1);
+
+ return dmin;
+}
+
+static int umh_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;
+ LOAD_COMMON
+ LOAD_COMMON2
+ int map_generation= c->map_generation;
+ int x,y,x2,y2, i, j, d;
+ const int dia_size= c->dia_size&0xFE;
+ static const int hex[16][2]={{-4,-2}, {-4,-1}, {-4, 0}, {-4, 1}, {-4, 2},
+ { 4,-2}, { 4,-1}, { 4, 0}, { 4, 1}, { 4, 2},
+ {-2, 3}, { 0, 4}, { 2, 3},
+ {-2,-3}, { 0,-4}, { 2,-3},};
+
+ cmpf= s->dsp.me_cmp[size];
+ chroma_cmpf= s->dsp.me_cmp[size+1];
+
+ x= best[0];
+ y= best[1];
+ for(x2=FFMAX(x-dia_size+1, xmin); x2<=FFMIN(x+dia_size-1,xmax); x2+=2){
+ CHECK_MV(x2, y);
+ }
+ for(y2=FFMAX(y-dia_size/2+1, ymin); y2<=FFMIN(y+dia_size/2-1,ymax); y2+=2){
+ CHECK_MV(x, y2);
+ }
+
+ x= best[0];
+ y= best[1];
+ for(y2=FFMAX(y-2, ymin); y2<=FFMIN(y+2,ymax); y2++){
+ for(x2=FFMAX(x-2, xmin); x2<=FFMIN(x+2,xmax); x2++){
+ CHECK_MV(x2, y2);
+ }
+ }
+
+//FIXME prevent the CLIP stuff
+
+ for(j=1; j<=dia_size/4; j++){
+ for(i=0; i<16; i++){
+ CHECK_CLIPPED_MV(x+hex[i][0]*j, y+hex[i][1]*j);
+ }
+ }
+
+ return hex_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags, 2);
+}
+
+static int full_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;
+ LOAD_COMMON
+ LOAD_COMMON2
+ int map_generation= c->map_generation;
+ int x,y, d;
+ const int dia_size= c->dia_size&0xFF;
+
+ cmpf= s->dsp.me_cmp[size];
+ chroma_cmpf= s->dsp.me_cmp[size+1];
+
+ for(y=FFMAX(-dia_size, ymin); y<=FFMIN(dia_size,ymax); y++){
+ for(x=FFMAX(-dia_size, xmin); x<=FFMIN(dia_size,xmax); x++){
+ CHECK_MV(x, y);
+ }
+ }
+
+ x= best[0];
+ y= best[1];
+ d= dmin;
+ CHECK_CLIPPED_MV(x , y);
+ CHECK_CLIPPED_MV(x+1, y);
+ CHECK_CLIPPED_MV(x, y+1);
+ CHECK_CLIPPED_MV(x-1, y);
+ CHECK_CLIPPED_MV(x, y-1);
+ best[0]= x;
+ best[1]= y;
+
+ return d;
}
#define SAB_CHECK_MV(ax,ay)\
MotionEstContext * const c= &s->me;
me_cmp_func cmpf, chroma_cmpf;
Minima minima[MAX_SAB_SIZE];
- const int minima_count= ABS(c->dia_size);
+ const int minima_count= FFABS(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++){
+
+ /*Note j<MAX_SAB_SIZE is needed if MAX_SAB_SIZE < ME_MAP_SIZE as j can
+ become larger due to MVs overflowing their ME_MAP_MV_BITS bits space in map
+ */
+ for(j=i=0; i<ME_MAP_SIZE && j<MAX_SAB_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));
+
+ // all entries in map should be in range except if the mv overflows their ME_MAP_MV_BITS bits space
+ if( minima[j].x > xmax || minima[j].x < xmin
+ || minima[j].y > ymax || minima[j].y < ymin)
+ continue;
+
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 , 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;
CHECK_MV(best[0], best[1]-1)
CHECK_MV(best[0], best[1]+1)
}
- return dmin;
+ return dmin;
}
static int var_diamond_search(MpegEncContext * s, int *best, int dmin,
LOAD_COMMON
LOAD_COMMON2
int map_generation= c->map_generation;
-
+
cmpf= s->dsp.me_cmp[size];
chroma_cmpf= s->dsp.me_cmp[size+1];
{
int dx, dy, i;
static int stats[8*8];
-dx= ABS(x-best[0]);
-dy= ABS(y-best[1]);
+dx= FFABS(x-best[0]);
+dy= FFABS(y-best[1]);
stats[dy*8 + dx] ++;
if(256*256*256*64 % (stats[0]+1)==0){
for(i=0; i<64; i++){
}
#endif
}
- return dmin;
+ return dmin;
}
-static always_inline int diamond_search(MpegEncContext * s, int *best, int dmin,
+static av_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;
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 if(c->dia_size>1024)
+ return full_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
+ else if(c->dia_size>768)
+ return umh_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
+ else if(c->dia_size>512)
+ return hex_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags, c->dia_size&0xFF);
+ else if(c->dia_size>256)
+ return l2s_dia_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],
+/*!
+ \param P[10][2] a list of candidate mvs to check before starting the
+ iterative search. If one of the candidates is close to the optimal mv, then
+ it takes fewer iterations. And it increases the chance that we find the
+ optimal mv.
+ */
+static av_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 best[2]={0, 0}; /*!< x and y coordinates of the best motion vector.
+ i.e. the difference between the position of the
+ block currently being encoded and the position of
+ the block chosen to predict it from. */
+ int d; ///< the score (cmp + penalty) of any given mv
+ int dmin; /*!< the best value of d, i.e. the score
+ corresponding to the mv stored in best[]. */
int map_generation;
- const int penalty_factor= c->penalty_factor;
+ 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
-
- cmpf= s->dsp.me_cmp[size];
- chroma_cmpf= s->dsp.me_cmp[size+1];
-
+
+ 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);
map[0]= map_generation;
score_map[0]= dmin;
+ //FIXME precalc first term below?
+ if((s->pict_type == FF_B_TYPE && !(c->flags & FLAG_DIRECT)) || s->flags&CODEC_FLAG_MV0)
+ dmin += (mv_penalty[pred_x] + mv_penalty[pred_y])*penalty_factor;
+
/* 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,
+ CHECK_CLIPPED_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]
+ if(dmin<((h*h*s->avctx->mv0_threshold)>>8)
+ && ( P_LEFT[0] |P_LEFT[1]
|P_TOP[0] |P_TOP[1]
|P_TOPRIGHT[0]|P_TOPRIGHT[1])==0){
*mx_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)
- }
+ CHECK_MV( P_MEDIAN[0] >>shift , P_MEDIAN[1] >>shift)
+ CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift) , (P_MEDIAN[1]>>shift)-1)
+ CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift) , (P_MEDIAN[1]>>shift)+1)
+ CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift)-1, (P_MEDIAN[1]>>shift) )
+ CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift)+1, (P_MEDIAN[1]>>shift) )
+ CHECK_CLIPPED_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,
+ CHECK_CLIPPED_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,
+ CHECK_CLIPPED_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,
+ CHECK_CLIPPED_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,
+ CHECK_CLIPPED_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)
}
}
//check(best[0],best[1],0, b1)
*mx_ptr= best[0];
- *my_ptr= best[1];
+ *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 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;
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 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 d, dmin;
int map_generation;
const int penalty_factor= c->penalty_factor;
const int size=1;
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);
+//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,
+ CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
+ CHECK_CLIPPED_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)
- }
+ 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_CLIPPED_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,
+ CHECK_CLIPPED_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,
+ CHECK_CLIPPED_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];
+ *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 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 d, dmin;
int map_generation;
const int penalty_factor= c->penalty_factor;
const int size=0; //FIXME pass as arg
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);
+//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,
+ CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
+ CHECK_CLIPPED_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)
- }
+ 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_CLIPPED_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,
+ CHECK_CLIPPED_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,
+ CHECK_CLIPPED_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];
+ *my_ptr= best[1];
// printf("%d %d %d \n", best[0], best[1], dmin);
return dmin;
projects / frescor / ffmpeg.git / blobdiff