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-rw-r--r--src/libffmpeg/libavcodec/motion_est.c1459
1 files changed, 1068 insertions, 391 deletions
diff --git a/src/libffmpeg/libavcodec/motion_est.c b/src/libffmpeg/libavcodec/motion_est.c
index 92724ac87..8f2ffa42e 100644
--- a/src/libffmpeg/libavcodec/motion_est.c
+++ b/src/libffmpeg/libavcodec/motion_est.c
@@ -1,43 +1,45 @@
/*
* Motion estimation
- * Copyright (c) 2000,2001 Gerard Lantau.
+ * Copyright (c) 2000,2001 Fabrice Bellard.
+ * Copyright (c) 2002 Michael Niedermayer
*
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU 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 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 program is distributed in the hope that it will be useful,
+ * 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 General Public License for more details.
+ * 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 General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 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
*
* new Motion Estimation (X1/EPZS) by Michael Niedermayer <michaelni@gmx.at>
*/
-#include "config.h"
-#include "xine-utils/xineutils.h"
#include <stdlib.h>
#include <stdio.h>
#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"
-#define ABS(a) ((a)>0 ? (a) : -(a))
-#define MAX(a,b) ((a) > (b) ? (a) : (b))
+#define SQ(a) ((a)*(a))
#define INTER_BIAS 257
-static void halfpel_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);
+#define P_LAST P[0]
+#define P_LEFT P[1]
+#define P_TOP P[2]
+#define P_TOPRIGHT P[3]
+#define P_MEDIAN P[4]
+#define P_LAST_LEFT P[5]
+#define P_LAST_RIGHT P[6]
+#define P_LAST_TOP P[7]
+#define P_LAST_BOTTOM P[8]
+#define P_MV1 P[9]
-/* config it to test motion vector encoding (send random vectors) */
-//#define CONFIG_TEST_MV_ENCODE
static int pix_sum(UINT8 * pix, int line_size)
{
@@ -140,7 +142,7 @@ static void no_motion_search(MpegEncContext * s,
static int full_motion_search(MpegEncContext * s,
int *mx_ptr, int *my_ptr, int range,
- int xmin, int ymin, int xmax, int ymax)
+ int xmin, int ymin, int xmax, int ymax, uint8_t *ref_picture)
{
int x1, y1, x2, y2, xx, yy, x, y;
int mx, my, dmin, d;
@@ -166,7 +168,7 @@ static int full_motion_search(MpegEncContext * s,
my = 0;
for (y = y1; y <= y2; y++) {
for (x = x1; x <= x2; x++) {
- d = pix_abs16x16(pix, s->last_picture[0] + (y * s->linesize) + x,
+ d = pix_abs16x16(pix, ref_picture + (y * s->linesize) + x,
s->linesize);
if (d < dmin ||
(d == dmin &&
@@ -194,7 +196,7 @@ static int full_motion_search(MpegEncContext * s,
static int log_motion_search(MpegEncContext * s,
int *mx_ptr, int *my_ptr, int range,
- int xmin, int ymin, int xmax, int ymax)
+ int xmin, int ymin, int xmax, int ymax, uint8_t *ref_picture)
{
int x1, y1, x2, y2, xx, yy, x, y;
int mx, my, dmin, d;
@@ -231,7 +233,7 @@ static int log_motion_search(MpegEncContext * s,
do {
for (y = y1; y <= y2; y += range) {
for (x = x1; x <= x2; x += range) {
- d = pix_abs16x16(pix, s->last_picture[0] + (y * s->linesize) + x, s->linesize);
+ d = pix_abs16x16(pix, ref_picture + (y * s->linesize) + x, s->linesize);
if (d < dmin || (d == dmin && (abs(x - xx) + abs(y - yy)) < (abs(mx - xx) + abs(my - yy)))) {
dmin = d;
mx = x;
@@ -270,7 +272,7 @@ static int log_motion_search(MpegEncContext * s,
static int phods_motion_search(MpegEncContext * s,
int *mx_ptr, int *my_ptr, int range,
- int xmin, int ymin, int xmax, int ymax)
+ int xmin, int ymin, int xmax, int ymax, uint8_t *ref_picture)
{
int x1, y1, x2, y2, xx, yy, x, y, lastx, d;
int mx, my, dminx, dminy;
@@ -311,7 +313,7 @@ static int phods_motion_search(MpegEncContext * s,
lastx = x;
for (x = x1; x <= x2; x += range) {
- d = pix_abs16x16(pix, s->last_picture[0] + (y * s->linesize) + x, s->linesize);
+ d = pix_abs16x16(pix, ref_picture + (y * s->linesize) + x, s->linesize);
if (d < dminx || (d == dminx && (abs(x - xx) + abs(y - yy)) < (abs(mx - xx) + abs(my - yy)))) {
dminx = d;
mx = x;
@@ -320,7 +322,7 @@ static int phods_motion_search(MpegEncContext * s,
x = lastx;
for (y = y1; y <= y2; y += range) {
- d = pix_abs16x16(pix, s->last_picture[0] + (y * s->linesize) + x, s->linesize);
+ d = pix_abs16x16(pix, ref_picture + (y * s->linesize) + x, s->linesize);
if (d < dminy || (d == dminy && (abs(x - xx) + abs(y - yy)) < (abs(mx - xx) + abs(my - yy)))) {
dminy = d;
my = y;
@@ -364,62 +366,61 @@ static int phods_motion_search(MpegEncContext * s,
#define CHECK_MV(x,y)\
{\
- d = pix_abs16x16(new_pic, old_pic + (x) + (y)*pic_stride, pic_stride);\
- d += (mv_penalty[((x)<<shift)-pred_x] + mv_penalty[((y)<<shift)-pred_y])*quant;\
- if(d<dmin){\
- best[0]=x;\
- best[1]=y;\
- dmin=d;\
+ 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){\
+ d = pix_abs16x16(new_pic, old_pic + (x) + (y)*pic_stride, pic_stride);\
+ d += (mv_penalty[((x)<<shift)-pred_x] + mv_penalty[((y)<<shift)-pred_y])*quant;\
+ COPY3_IF_LT(dmin, d, best[0], x, best[1], y)\
+ map[index]= key;\
+ score_map[index]= d;\
}\
}
#define CHECK_MV_DIR(x,y,new_dir)\
{\
- d = pix_abs16x16(new_pic, old_pic + (x) + (y)*pic_stride, pic_stride);\
- d += (mv_penalty[((x)<<shift)-pred_x] + mv_penalty[((y)<<shift)-pred_y])*quant;\
- if(d<dmin){\
- best[0]=x;\
- best[1]=y;\
- dmin=d;\
- next_dir= 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){\
+ d = pix_abs(new_pic, old_pic + (x) + (y)*pic_stride, pic_stride);\
+ d += (mv_penalty[((x)<<shift)-pred_x] + mv_penalty[((y)<<shift)-pred_y])*quant;\
+ if(d<dmin){\
+ best[0]=x;\
+ best[1]=y;\
+ dmin=d;\
+ next_dir= new_dir;\
+ }\
+ map[index]= key;\
+ score_map[index]= d;\
}\
}
#define CHECK_MV4(x,y)\
{\
- d = pix_abs8x8(new_pic, old_pic + (x) + (y)*pic_stride, pic_stride);\
- d += (mv_penalty[((x)<<shift)-pred_x] + mv_penalty[((y)<<shift)-pred_y])*quant;\
- if(d<dmin){\
- best[0]=x;\
- best[1]=y;\
- dmin=d;\
+ 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){\
+ d = pix_abs8x8(new_pic, old_pic + (x) + (y)*pic_stride, pic_stride);\
+ d += (mv_penalty[((x)<<shift)-pred_x] + mv_penalty[((y)<<shift)-pred_y])*quant;\
+ COPY3_IF_LT(dmin, d, best[0], x, best[1], y)\
+ map[index]= key;\
+ score_map[index]= d;\
}\
}
-#define CHECK_MV4_DIR(x,y,new_dir)\
-{\
- d = pix_abs8x8(new_pic, old_pic + (x) + (y)*pic_stride, pic_stride);\
- d += (mv_penalty[((x)<<shift)-pred_x] + mv_penalty[((y)<<shift)-pred_y])*quant;\
- 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 xmin" #v, (x), (y), s->mb_x, s->mb_y);\
-if( (x)>(xmax<<(S)) ) printf("%d %d %d %d xmax" #v, (x), (y), s->mb_x, s->mb_y);\
-if( (y)<(ymin<<(S)) ) printf("%d %d %d %d ymin" #v, (x), (y), s->mb_x, s->mb_y);\
-if( (y)>(ymax<<(S)) ) printf("%d %d %d %d ymax" #v, (x), (y), s->mb_x, s->mb_y);\
+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 small_diamond_search(MpegEncContext * s, int *best, int dmin,
UINT8 *new_pic, UINT8 *old_pic, int pic_stride,
int pred_x, int pred_y, UINT16 *mv_penalty, int quant,
- int xmin, int ymin, int xmax, int ymax, int shift)
+ int xmin, int ymin, int xmax, int ymax, int shift,
+ uint32_t *map, uint16_t *score_map, int map_generation,
+ op_pixels_abs_func pix_abs)
{
int next_dir=-1;
@@ -467,36 +468,19 @@ static inline int small_diamond_search(MpegEncContext * s, int *best, int dmin,
*/
}
-static inline int small_diamond_search4MV(MpegEncContext * s, int *best, int dmin,
- UINT8 *new_pic, UINT8 *old_pic, int pic_stride,
- int pred_x, int pred_y, UINT16 *mv_penalty, int quant,
- int xmin, int ymin, int xmax, int ymax, int shift)
-{
- int next_dir=-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_MV4_DIR(x-1, y , 0)
- if(dir!=3 && y>ymin) CHECK_MV4_DIR(x , y-1, 1)
- if(dir!=0 && x<xmax) CHECK_MV4_DIR(x+1, y , 2)
- if(dir!=1 && y<ymax) CHECK_MV4_DIR(x , y+1, 3)
-
- if(next_dir==-1){
- return dmin;
- }
- }
-}
-
+#if 1
+#define SNAKE_1 3
+#define SNAKE_2 2
+#else
+#define SNAKE_1 7
+#define SNAKE_2 3
+#endif
static inline int snake_search(MpegEncContext * s, int *best, int dmin,
UINT8 *new_pic, UINT8 *old_pic, int pic_stride,
int pred_x, int pred_y, UINT16 *mv_penalty, int quant,
- int xmin, int ymin, int xmax, int ymax, int shift)
+ int xmin, int ymin, int xmax, int ymax, int shift,
+ uint32_t *map, uint16_t *score_map,int map_generation,
+ op_pixels_abs_func pix_abs)
{
int dir=0;
int c=1;
@@ -522,8 +506,15 @@ if(256*256*256*64%point==0)
x+=x_dir[dir];
y+=y_dir[dir];
if(x>=xmin && x<=xmax && y>=ymin && y<=ymax){
- d = pix_abs16x16(new_pic, old_pic + (x) + (y)*pic_stride, pic_stride);
- d += (mv_penalty[((x)<<shift)-pred_x] + mv_penalty[((y)<<shift)-pred_y])*quant;
+ 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){
+ d = pix_abs(new_pic, old_pic + (x) + (y)*pic_stride, pic_stride);
+ d += (mv_penalty[((x)<<shift)-pred_x] + mv_penalty[((y)<<shift)-pred_y])*quant;
+ map[index]=key;
+ score_map[index]=d;
+ }else
+ d= dmin+1;
}else{
d = dmin + 10000; //FIXME smarter boundary handling
}
@@ -542,21 +533,90 @@ if(256*256*256*64%point==0)
}else{
//bad++;
if(fails){
- if(fails>=3) return dmin;
+ if(fails>=SNAKE_1+1) return dmin;
}else{
- c= -c;
+ if(dir&1) dir-= c*3;
+ else c= -c;
+// c= -c;
}
- dir+=c*2;
+ dir+=c*SNAKE_2;
fails++;
}
dir&=7;
}
}
+static inline int cross_search(MpegEncContext * s, int *best, int dmin,
+ UINT8 *new_pic, UINT8 *old_pic, int pic_stride,
+ int pred_x, int pred_y, UINT16 *mv_penalty, int quant,
+ int xmin, int ymin, int xmax, int ymax, int shift,
+ uint32_t *map, uint16_t *score_map,int map_generation,
+ op_pixels_abs_func pix_abs)
+{
+ static int x_dir[4]= {-1, 0, 1, 0};
+ static int y_dir[4]= { 0,-1, 0, 1};
+ int improvement[2]={100000, 100000};
+ int dirs[2]={2, 3};
+ int dir;
+ int last_dir= -1;
+
+ for(;;){
+ dir= dirs[ improvement[0] > improvement[1] ? 0 : 1 ];
+ if(improvement[dir&1]==-1) return dmin;
+
+ {
+ const int x= best[0] + x_dir[dir];
+ const int y= best[1] + y_dir[dir];
+ const int key= (y<<ME_MAP_MV_BITS) + x + map_generation;
+ const int index= ((y<<ME_MAP_SHIFT) + x)&(ME_MAP_SIZE-1);
+ int d;
+ if(x>=xmin && x<=xmax && y>=ymin && y<=ymax){
+ if(map[index]!=key){
+ d = pix_abs(new_pic, old_pic + x + y*pic_stride, pic_stride);
+ d += (mv_penalty[(x<<shift)-pred_x] + mv_penalty[(y<<shift)-pred_y])*quant;
+ map[index]=key;
+ score_map[index]=d;
+ if(d<dmin){
+ improvement[dir&1]= dmin-d;
+ improvement[(dir&1)^1]++;
+ dmin=d;
+ best[0]= x;
+ best[1]= y;
+ last_dir=dir;
+ continue;
+ }
+ }else{
+ d= score_map[index];
+ }
+ }else{
+ d= dmin + 1000; //FIXME is this a good idea?
+ }
+ /* evaluated point was cached or checked and worse */
+
+ if(last_dir==dir){
+ improvement[dir&1]= -1;
+ }else{
+ improvement[dir&1]= d-dmin;
+ last_dir= dirs[dir&1]= dir^2;
+ }
+ }
+ }
+}
+
+static inline int update_map_generation(MpegEncContext * s)
+{
+ s->me_map_generation+= 1<<(ME_MAP_MV_BITS*2);
+ if(s->me_map_generation==0){
+ s->me_map_generation= 1<<(ME_MAP_MV_BITS*2);
+ memset(s->me_map, 0, sizeof(uint32_t)*ME_MAP_SIZE);
+ }
+ return s->me_map_generation;
+}
+
static int epzs_motion_search(MpegEncContext * s,
int *mx_ptr, int *my_ptr,
- int P[5][2], int pred_x, int pred_y,
- int xmin, int ymin, int xmax, int ymax)
+ int P[10][2], int pred_x, int pred_y,
+ int xmin, int ymin, int xmax, int ymax, uint8_t * ref_picture)
{
int best[2]={0, 0};
int d, dmin;
@@ -566,42 +626,74 @@ static int epzs_motion_search(MpegEncContext * s,
UINT16 *mv_penalty= s->mv_penalty[s->f_code] + MAX_MV; // f_code of the prev frame
int quant= s->qscale; // qscale of the prev frame
const int shift= 1+s->quarter_sample;
+ uint32_t *map= s->me_map;
+ uint16_t *score_map= s->me_score_map;
+ int map_generation;
new_pic = s->new_picture[0] + pic_xy;
- old_pic = s->last_picture[0] + pic_xy;
-
+ old_pic = ref_picture + pic_xy;
+
+ map_generation= update_map_generation(s);
+
dmin = pix_abs16x16(new_pic, old_pic, pic_stride);
- if(dmin<Z_THRESHOLD){
- *mx_ptr= 0;
- *my_ptr= 0;
-//printf("Z");
- return dmin;
- }
+ map[0]= map_generation;
+ score_map[0]= dmin;
/* first line */
- if ((s->mb_y == 0 || s->first_slice_line || s->first_gob_line)) {
- CHECK_MV(P[1][0]>>shift, P[1][1]>>shift)
+ 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{
- CHECK_MV(P[4][0]>>shift, P[4][1]>>shift)
- if(dmin<Z_THRESHOLD){
- *mx_ptr= P[4][0]>>shift;
- *my_ptr= P[4][1]>>shift;
-//printf("M\n");
+ if(dmin<256 && ( 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;
+ s->skip_me=1;
return dmin;
}
- CHECK_MV(P[1][0]>>shift, P[1][1]>>shift)
- CHECK_MV(P[2][0]>>shift, P[2][1]>>shift)
- CHECK_MV(P[3][0]>>shift, P[3][1]>>shift)
+ 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)
+ }
}
- CHECK_MV(P[0][0]>>shift, P[0][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->full_search==ME_EPZS)
+ if(s->me_method==ME_EPZS)
dmin= small_diamond_search(s, best, dmin, new_pic, old_pic, pic_stride,
- pred_x, pred_y, mv_penalty, quant, xmin, ymin, xmax, ymax, shift);
+ pred_x, pred_y, mv_penalty, quant, xmin, ymin, xmax, ymax,
+ shift, map, score_map, map_generation, pix_abs16x16);
else
- dmin= snake_search(s, best, dmin, new_pic, old_pic, pic_stride,
- pred_x, pred_y, mv_penalty, quant, xmin, ymin, xmax, ymax, shift);
+ dmin= cross_search(s, best, dmin, new_pic, old_pic, pic_stride,
+ pred_x, pred_y, mv_penalty, quant, xmin, ymin, xmax, ymax,
+ shift, map, score_map, map_generation, pix_abs16x16);
//check(best[0],best[1],0, b1)
*mx_ptr= best[0];
*my_ptr= best[1];
@@ -612,8 +704,8 @@ static int epzs_motion_search(MpegEncContext * s,
static int epzs_motion_search4(MpegEncContext * s, int block,
int *mx_ptr, int *my_ptr,
- int P[6][2], int pred_x, int pred_y,
- int xmin, int ymin, int xmax, int ymax)
+ int P[10][2], int pred_x, int pred_y,
+ int xmin, int ymin, int xmax, int ymax, uint8_t *ref_picture)
{
int best[2]={0, 0};
int d, dmin;
@@ -623,34 +715,47 @@ static int epzs_motion_search4(MpegEncContext * s, int block,
UINT16 *mv_penalty= s->mv_penalty[s->f_code] + MAX_MV; // f_code of the prev frame
int quant= s->qscale; // qscale of the prev frame
const int shift= 1+s->quarter_sample;
+ uint32_t *map= s->me_map;
+ uint16_t *score_map= s->me_score_map;
+ int map_generation;
new_pic = s->new_picture[0] + pic_xy;
- old_pic = s->last_picture[0] + pic_xy;
-
- dmin = pix_abs8x8(new_pic, old_pic, pic_stride);
+ old_pic = ref_picture + pic_xy;
+ 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 || s->first_gob_line) && block<2) {
- CHECK_MV4(P[1][0]>>shift, P[1][1]>>shift)
+ if ((s->mb_y == 0 || s->first_slice_line) && block<2) {
+ CHECK_MV4(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
+ CHECK_MV4(P_LAST[0]>>shift, P_LAST[1]>>shift)
+ CHECK_MV4(P_MV1[0]>>shift, P_MV1[1]>>shift)
}else{
- CHECK_MV4(P[4][0]>>shift, P[4][1]>>shift)
- if(dmin<Z_THRESHOLD){
- *mx_ptr= P[4][0]>>shift;
- *my_ptr= P[4][1]>>shift;
-//printf("M\n");
- return dmin;
+ CHECK_MV4(P_MV1[0]>>shift, P_MV1[1]>>shift)
+ //FIXME try some early stop
+ if(dmin>64*2){
+ CHECK_MV4(P_MEDIAN[0]>>shift, P_MEDIAN[1]>>shift)
+ CHECK_MV4(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
+ CHECK_MV4(P_TOP[0]>>shift, P_TOP[1]>>shift)
+ CHECK_MV4(P_TOPRIGHT[0]>>shift, P_TOPRIGHT[1]>>shift)
+ CHECK_MV4(P_LAST[0]>>shift, P_LAST[1]>>shift)
}
- CHECK_MV4(P[1][0]>>shift, P[1][1]>>shift)
- CHECK_MV4(P[2][0]>>shift, P[2][1]>>shift)
- CHECK_MV4(P[3][0]>>shift, P[3][1]>>shift)
}
- CHECK_MV4(P[0][0]>>shift, P[0][1]>>shift)
- CHECK_MV4(P[5][0]>>shift, P[5][1]>>shift)
+ if(dmin>64*4){
+ CHECK_MV4(P_LAST_RIGHT[0]>>shift, P_LAST_RIGHT[1]>>shift)
+ CHECK_MV4(P_LAST_BOTTOM[0]>>shift, P_LAST_BOTTOM[1]>>shift)
+ }
+
+ if(s->me_method==ME_EPZS)
+ dmin= small_diamond_search(s, best, dmin, new_pic, old_pic, pic_stride,
+ pred_x, pred_y, mv_penalty, quant, xmin, ymin, xmax, ymax,
+ shift, map, score_map, map_generation, pix_abs8x8);
+ else
+ dmin= cross_search(s, best, dmin, new_pic, old_pic, pic_stride,
+ pred_x, pred_y, mv_penalty, quant, xmin, ymin, xmax, ymax,
+ shift, map, score_map, map_generation, pix_abs8x8);
-//check(best[0],best[1],0, b0)
- dmin= small_diamond_search4MV(s, best, dmin, new_pic, old_pic, pic_stride,
- pred_x, pred_y, mv_penalty, quant, xmin, ymin, xmax, ymax, shift);
-//check(best[0],best[1],0, b1)
*mx_ptr= best[0];
*my_ptr= best[1];
@@ -659,56 +764,50 @@ static int epzs_motion_search4(MpegEncContext * s, int block,
}
#define CHECK_HALF_MV(suffix, x, y) \
- d= pix_abs16x16_ ## suffix(pix, ptr+((x)>>1), s->linesize);\
+{\
+ d= pix_abs_ ## suffix(pix, ptr+((x)>>1), s->linesize);\
d += (mv_penalty[pen_x + x] + mv_penalty[pen_y + y])*quant;\
- if(d<dminh){\
- dminh= d;\
- mx= mx1 + x;\
- my= my1 + y;\
- }
+ COPY3_IF_LT(dminh, d, dx, x, dy, y)\
+}
-#define CHECK_HALF_MV4(suffix, x, y) \
- d= pix_abs8x8_ ## suffix(pix, ptr+((x)>>1), s->linesize);\
- d += (mv_penalty[pen_x + x] + mv_penalty[pen_y + y])*quant;\
- if(d<dminh){\
- dminh= d;\
- mx= mx1 + x;\
- my= my1 + y;\
- }
/* The idea would be to make half pel ME after Inter/Intra decision to
save time. */
-static inline void halfpel_motion_search(MpegEncContext * s,
+static inline int halfpel_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)
+ int pred_x, int pred_y, uint8_t *ref_picture,
+ op_pixels_abs_func pix_abs_x2,
+ op_pixels_abs_func pix_abs_y2, op_pixels_abs_func pix_abs_xy2, int n)
{
UINT16 *mv_penalty= s->mv_penalty[s->f_code] + MAX_MV; // f_code of the prev frame
const int quant= s->qscale;
- int pen_x, pen_y;
- int mx, my, mx1, my1, d, xx, yy, dminh;
+ int mx, my, xx, yy, dminh;
UINT8 *pix, *ptr;
- mx = *mx_ptr;
- my = *my_ptr;
- ptr = s->last_picture[0] + (my * s->linesize) + mx;
+ if(s->skip_me){
+ *mx_ptr = 0;
+ *my_ptr = 0;
+ return dmin;
+ }else
- xx = 16 * s->mb_x;
- yy = 16 * s->mb_y;
+ xx = 16 * s->mb_x + 8*(n&1);
+ yy = 16 * s->mb_y + 8*(n>>1);
pix = s->new_picture[0] + (yy * s->linesize) + xx;
+
+ mx = *mx_ptr;
+ my = *my_ptr;
+ ptr = ref_picture + ((yy + my) * s->linesize) + (xx + mx);
dminh = dmin;
if (mx > xmin && mx < xmax &&
my > ymin && my < ymax) {
+ int dx=0, dy=0;
+ int d, pen_x, pen_y;
- mx= mx1= 2*(mx - xx);
- my= my1= 2*(my - yy);
- if(dmin < Z_THRESHOLD && mx==0 && my==0){
- *mx_ptr = 0;
- *my_ptr = 0;
- return;
- }
+ mx<<=1;
+ my<<=1;
pen_x= pred_x + mx;
pen_y= pred_y + my;
@@ -725,80 +824,135 @@ static inline void halfpel_motion_search(MpegEncContext * s,
CHECK_HALF_MV(y2 , 0, +1)
CHECK_HALF_MV(xy2, +1, +1)
+ mx+=dx;
+ my+=dy;
}else{
- mx= 2*(mx - xx);
- my= 2*(my - yy);
+ mx<<=1;
+ my<<=1;
}
*mx_ptr = mx;
*my_ptr = my;
+ return dminh;
}
-static inline void halfpel_motion_search4(MpegEncContext * s,
+static inline int fast_halfpel_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, int block_x, int block_y)
+ int pred_x, int pred_y, uint8_t *ref_picture,
+ op_pixels_abs_func pix_abs_x2,
+ op_pixels_abs_func pix_abs_y2, op_pixels_abs_func pix_abs_xy2, int n)
{
UINT16 *mv_penalty= s->mv_penalty[s->f_code] + MAX_MV; // f_code of the prev frame
+ uint16_t *score_map= s->me_score_map;
const int quant= s->qscale;
- int pen_x, pen_y;
- int mx, my, mx1, my1, d, xx, yy, dminh;
+ int mx, my, xx, yy, dminh;
UINT8 *pix, *ptr;
- xx = 8 * block_x;
- yy = 8 * block_y;
+ if(s->skip_me){
+// printf("S");
+ *mx_ptr = 0;
+ *my_ptr = 0;
+ return dmin;
+ }
+// printf("N");
+
+ xx = 16 * s->mb_x + 8*(n&1);
+ yy = 16 * s->mb_y + 8*(n>>1);
pix = s->new_picture[0] + (yy * s->linesize) + xx;
-
+
mx = *mx_ptr;
my = *my_ptr;
- ptr = s->last_picture[0] + ((yy+my) * s->linesize) + xx + mx;
-
+ ptr = ref_picture + ((yy + my) * s->linesize) + (xx + mx);
+
dminh = dmin;
if (mx > xmin && mx < xmax &&
my > ymin && my < ymax) {
+ int dx=0, dy=0;
+ int d, pen_x, pen_y;
+ 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)];
+ mx<<=1;
+ my<<=1;
- mx= mx1= 2*mx;
- my= my1= 2*my;
- if(dmin < Z_THRESHOLD && mx==0 && my==0){
- *mx_ptr = 0;
- *my_ptr = 0;
- return;
- }
pen_x= pred_x + mx;
pen_y= pred_y + my;
ptr-= s->linesize;
- CHECK_HALF_MV4(xy2, -1, -1)
- CHECK_HALF_MV4(y2 , 0, -1)
- CHECK_HALF_MV4(xy2, +1, -1)
-
- ptr+= s->linesize;
- CHECK_HALF_MV4(x2 , -1, 0)
- CHECK_HALF_MV4(x2 , +1, 0)
- CHECK_HALF_MV4(xy2, -1, +1)
- CHECK_HALF_MV4(y2 , 0, +1)
- CHECK_HALF_MV4(xy2, +1, +1)
+ if(t<=b){
+ CHECK_HALF_MV(y2 , 0, -1)
+ if(l<=r){
+ CHECK_HALF_MV(xy2, -1, -1)
+ if(t+r<=b+l){
+ CHECK_HALF_MV(xy2, +1, -1)
+ ptr+= s->linesize;
+ }else{
+ ptr+= s->linesize;
+ CHECK_HALF_MV(xy2, -1, +1)
+ }
+ CHECK_HALF_MV(x2 , -1, 0)
+ }else{
+ CHECK_HALF_MV(xy2, +1, -1)
+ if(t+l<=b+r){
+ CHECK_HALF_MV(xy2, -1, -1)
+ ptr+= s->linesize;
+ }else{
+ ptr+= s->linesize;
+ CHECK_HALF_MV(xy2, +1, +1)
+ }
+ CHECK_HALF_MV(x2 , +1, 0)
+ }
+ }else{
+ if(l<=r){
+ if(t+l<=b+r){
+ CHECK_HALF_MV(xy2, -1, -1)
+ ptr+= s->linesize;
+ }else{
+ ptr+= s->linesize;
+ CHECK_HALF_MV(xy2, +1, +1)
+ }
+ CHECK_HALF_MV(x2 , -1, 0)
+ CHECK_HALF_MV(xy2, -1, +1)
+ }else{
+ if(t+r<=b+l){
+ CHECK_HALF_MV(xy2, +1, -1)
+ ptr+= s->linesize;
+ }else{
+ ptr+= s->linesize;
+ CHECK_HALF_MV(xy2, -1, +1)
+ }
+ CHECK_HALF_MV(x2 , +1, 0)
+ CHECK_HALF_MV(xy2, +1, +1)
+ }
+ CHECK_HALF_MV(y2 , 0, +1)
+ }
+ mx+=dx;
+ my+=dy;
}else{
- mx*=2;
- my*=2;
+ mx<<=1;
+ my<<=1;
}
*mx_ptr = mx;
*my_ptr = my;
+ return dminh;
}
-static inline void set_mv_tables(MpegEncContext * s, int mx, int my)
+static inline void set_p_mv_tables(MpegEncContext * s, int mx, int my, int mv4)
{
- const int xy= s->mb_x + s->mb_y*s->mb_width;
+ const int xy= s->mb_x + 1 + (s->mb_y + 1)*(s->mb_width + 2);
- s->mv_table[0][xy] = mx;
- s->mv_table[1][xy] = my;
+ s->p_mv_table[xy][0] = mx;
+ s->p_mv_table[xy][1] = my;
/* has allready been set to the 4 MV if 4MV is done */
- if(!(s->flags&CODEC_FLAG_4MV)){
+ if(mv4){
int mot_xy= s->block_index[0];
s->motion_val[mot_xy ][0]= mx;
@@ -814,59 +968,158 @@ static inline void set_mv_tables(MpegEncContext * s, int mx, int my)
}
}
-#ifndef CONFIG_TEST_MV_ENCODE
-
-void estimate_motion(MpegEncContext * s,
- int mb_x, int mb_y)
+static inline void get_limits(MpegEncContext *s, int *range, int *xmin, int *ymin, int *xmax, int *ymax, int f_code)
{
- UINT8 *pix, *ppix;
- int sum, varc, vard, mx, my, range, dmin, xx, yy;
- int xmin, ymin, xmax, ymax;
- int rel_xmin, rel_ymin, rel_xmax, rel_ymax;
- int pred_x=0, pred_y=0;
- int P[6][2];
- const int shift= 1+s->quarter_sample;
- int mb_type=0;
-
- range = 8 * (1 << (s->f_code - 1));
+ *range = 8 * (1 << (f_code - 1));
/* XXX: temporary kludge to avoid overflow for msmpeg4 */
if (s->out_format == FMT_H263 && !s->h263_msmpeg4)
- range = range * 2;
+ *range *= 2;
if (s->unrestricted_mv) {
- xmin = -16;
- ymin = -16;
+ *xmin = -16;
+ *ymin = -16;
if (s->h263_plus)
- range *= 2;
+ *range *= 2;
if(s->avctx==NULL || s->avctx->codec->id!=CODEC_ID_MPEG4){
- xmax = s->mb_width*16;
- ymax = s->mb_height*16;
+ *xmax = s->mb_width*16;
+ *ymax = s->mb_height*16;
}else {
/* XXX: dunno if this is correct but ffmpeg4 decoder wont like it otherwise
(cuz the drawn edge isnt large enough))*/
- xmax = s->width;
- ymax = s->height;
+ *xmax = s->width;
+ *ymax = s->height;
}
} else {
- xmin = 0;
- ymin = 0;
- xmax = s->mb_width*16 - 16;
- ymax = s->mb_height*16 - 16;
+ *xmin = 0;
+ *ymin = 0;
+ *xmax = s->mb_width*16 - 16;
+ *ymax = s->mb_height*16 - 16;
+ }
+}
+
+static inline int mv4_search(MpegEncContext *s, int xmin, int ymin, int xmax, int ymax, int mx, int my, int shift)
+{
+ int block;
+ int P[10][2];
+ uint8_t *ref_picture= s->last_picture[0];
+ int dmin_sum=0;
+
+ for(block=0; block<4; block++){
+ int mx4, my4;
+ int pred_x4, pred_y4;
+ int dmin4;
+ static const int off[4]= {2, 1, 1, -1};
+ const int mot_stride = s->block_wrap[0];
+ const int mot_xy = s->block_index[block];
+// const int block_x= (block&1);
+// const int block_y= (block>>1);
+#if 1 // this saves us a bit of cliping work and shouldnt affect compression in a negative way
+ const int rel_xmin4= xmin;
+ const int rel_xmax4= xmax;
+ const int rel_ymin4= ymin;
+ const int rel_ymax4= ymax;
+#else
+ const int rel_xmin4= xmin - block_x*8;
+ const int rel_xmax4= xmax - block_x*8 + 8;
+ const int rel_ymin4= ymin - block_y*8;
+ const int rel_ymax4= ymax - block_y*8 + 8;
+#endif
+ P_LAST[0] = s->motion_val[mot_xy ][0];
+ P_LAST[1] = s->motion_val[mot_xy ][1];
+ P_LEFT[0] = s->motion_val[mot_xy - 1][0];
+ P_LEFT[1] = s->motion_val[mot_xy - 1][1];
+ P_LAST_RIGHT[0] = s->motion_val[mot_xy + 1][0];
+ P_LAST_RIGHT[1] = s->motion_val[mot_xy + 1][1];
+ P_LAST_BOTTOM[0]= s->motion_val[mot_xy + 1*mot_stride][0];
+ P_LAST_BOTTOM[1]= s->motion_val[mot_xy + 1*mot_stride][1];
+
+ if(P_LEFT[0] > (rel_xmax4<<shift)) P_LEFT[0] = (rel_xmax4<<shift);
+ if(P_LAST_RIGHT[0] < (rel_xmin4<<shift)) P_LAST_RIGHT[0] = (rel_xmin4<<shift);
+ if(P_LAST_BOTTOM[1]< (rel_ymin4<<shift)) P_LAST_BOTTOM[1]= (rel_ymin4<<shift);
+
+ /* special case for first line */
+ if ((s->mb_y == 0 || s->first_slice_line) && block<2) {
+ pred_x4= P_LEFT[0];
+ pred_y4= P_LEFT[1];
+ } else {
+ P_TOP[0] = s->motion_val[mot_xy - mot_stride ][0];
+ P_TOP[1] = s->motion_val[mot_xy - mot_stride ][1];
+ P_TOPRIGHT[0] = s->motion_val[mot_xy - mot_stride + off[block]][0];
+ P_TOPRIGHT[1] = s->motion_val[mot_xy - mot_stride + off[block]][1];
+ if(P_TOP[1] > (rel_ymax4<<shift)) P_TOP[1] = (rel_ymax4<<shift);
+ if(P_TOPRIGHT[0] < (rel_xmin4<<shift)) P_TOPRIGHT[0]= (rel_xmin4<<shift);
+ if(P_TOPRIGHT[0] > (rel_xmax4<<shift)) P_TOPRIGHT[0]= (rel_xmax4<<shift);
+ if(P_TOPRIGHT[1] > (rel_ymax4<<shift)) P_TOPRIGHT[1]= (rel_ymax4<<shift);
+
+ P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
+ P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
+
+ if(s->out_format == FMT_H263){
+ pred_x4 = P_MEDIAN[0];
+ pred_y4 = P_MEDIAN[1];
+ }else { /* mpeg1 at least */
+ pred_x4= P_LEFT[0];
+ pred_y4= P_LEFT[1];
+ }
+ }
+ P_MV1[0]= mx;
+ P_MV1[1]= my;
+
+ dmin4 = epzs_motion_search4(s, block, &mx4, &my4, P, pred_x4, pred_y4, rel_xmin4, rel_ymin4, rel_xmax4, rel_ymax4, ref_picture);
+
+ dmin4= fast_halfpel_motion_search(s, &mx4, &my4, dmin4, rel_xmin4, rel_ymin4, rel_xmax4, rel_ymax4,
+ pred_x4, pred_y4, ref_picture, pix_abs8x8_x2,
+ pix_abs8x8_y2, pix_abs8x8_xy2, block);
+
+ s->motion_val[ s->block_index[block] ][0]= mx4;
+ s->motion_val[ s->block_index[block] ][1]= my4;
+ dmin_sum+= dmin4;
}
- switch(s->full_search) {
+ return dmin_sum;
+}
+
+void ff_estimate_p_frame_motion(MpegEncContext * s,
+ int mb_x, int mb_y)
+{
+ UINT8 *pix, *ppix;
+ int sum, varc, vard, mx, my, range, dmin, xx, yy;
+ int xmin, ymin, xmax, ymax;
+ int rel_xmin, rel_ymin, rel_xmax, rel_ymax;
+ int pred_x=0, pred_y=0;
+ int P[10][2];
+ const int shift= 1+s->quarter_sample;
+ int mb_type=0;
+ uint8_t *ref_picture= s->last_picture[0];
+
+ get_limits(s, &range, &xmin, &ymin, &xmax, &ymax, s->f_code);
+ rel_xmin= xmin - mb_x*16;
+ rel_xmax= xmax - mb_x*16;
+ rel_ymin= ymin - mb_y*16;
+ rel_ymax= ymax - mb_y*16;
+ s->skip_me=0;
+
+ switch(s->me_method) {
case ME_ZERO:
default:
no_motion_search(s, &mx, &my);
+ mx-= mb_x*16;
+ my-= mb_y*16;
dmin = 0;
break;
case ME_FULL:
- dmin = full_motion_search(s, &mx, &my, range, xmin, ymin, xmax, ymax);
+ dmin = full_motion_search(s, &mx, &my, range, xmin, ymin, xmax, ymax, ref_picture);
+ mx-= mb_x*16;
+ my-= mb_y*16;
break;
case ME_LOG:
- dmin = log_motion_search(s, &mx, &my, range / 2, xmin, ymin, xmax, ymax);
+ dmin = log_motion_search(s, &mx, &my, range / 2, xmin, ymin, xmax, ymax, ref_picture);
+ mx-= mb_x*16;
+ my-= mb_y*16;
break;
case ME_PHODS:
- dmin = phods_motion_search(s, &mx, &my, range / 2, xmin, ymin, xmax, ymax);
+ dmin = phods_motion_search(s, &mx, &my, range / 2, xmin, ymin, xmax, ymax, ref_picture);
+ mx-= mb_x*16;
+ my-= mb_y*16;
break;
case ME_X1:
case ME_EPZS:
@@ -874,133 +1127,69 @@ void estimate_motion(MpegEncContext * s,
const int mot_stride = s->block_wrap[0];
const int mot_xy = s->block_index[0];
- rel_xmin= xmin - mb_x*16;
- rel_xmax= xmax - mb_x*16;
- rel_ymin= ymin - mb_y*16;
- rel_ymax= ymax - mb_y*16;
+ P_LAST[0] = s->motion_val[mot_xy ][0];
+ P_LAST[1] = s->motion_val[mot_xy ][1];
+ P_LEFT[0] = s->motion_val[mot_xy - 1][0];
+ P_LEFT[1] = s->motion_val[mot_xy - 1][1];
+ P_LAST_RIGHT[0] = s->motion_val[mot_xy + 2][0];
+ P_LAST_RIGHT[1] = s->motion_val[mot_xy + 2][1];
+ P_LAST_BOTTOM[0]= s->motion_val[mot_xy + 2*mot_stride][0];
+ P_LAST_BOTTOM[1]= s->motion_val[mot_xy + 2*mot_stride][1];
- P[0][0] = s->motion_val[mot_xy ][0];
- P[0][1] = s->motion_val[mot_xy ][1];
- P[1][0] = s->motion_val[mot_xy - 1][0];
- P[1][1] = s->motion_val[mot_xy - 1][1];
- if(P[1][0] > (rel_xmax<<shift)) P[1][0]= (rel_xmax<<shift);
+ if(P_LEFT[0] > (rel_xmax<<shift)) P_LEFT[0] = (rel_xmax<<shift);
+ if(P_LAST_RIGHT[0] < (rel_xmin<<shift)) P_LAST_RIGHT[0] = (rel_xmin<<shift);
+ if(P_LAST_BOTTOM[1]< (rel_ymin<<shift)) P_LAST_BOTTOM[1]= (rel_ymin<<shift);
/* special case for first line */
- if ((mb_y == 0 || s->first_slice_line || s->first_gob_line)) {
- P[4][0] = P[1][0];
- P[4][1] = P[1][1];
+ if ((mb_y == 0 || s->first_slice_line)) {
+ pred_x= P_LEFT[0];
+ pred_y= P_LEFT[1];
} else {
- P[2][0] = s->motion_val[mot_xy - mot_stride ][0];
- P[2][1] = s->motion_val[mot_xy - mot_stride ][1];
- P[3][0] = s->motion_val[mot_xy - mot_stride + 2 ][0];
- P[3][1] = s->motion_val[mot_xy - mot_stride + 2 ][1];
- if(P[2][1] > (rel_ymax<<shift)) P[2][1]= (rel_ymax<<shift);
- if(P[3][0] < (rel_xmin<<shift)) P[3][0]= (rel_xmin<<shift);
- if(P[3][1] > (rel_ymax<<shift)) P[3][1]= (rel_ymax<<shift);
+ P_TOP[0] = s->motion_val[mot_xy - mot_stride ][0];
+ P_TOP[1] = s->motion_val[mot_xy - mot_stride ][1];
+ P_TOPRIGHT[0] = s->motion_val[mot_xy - mot_stride + 2][0];
+ P_TOPRIGHT[1] = s->motion_val[mot_xy - mot_stride + 2][1];
+ if(P_TOP[1] > (rel_ymax<<shift)) P_TOP[1] = (rel_ymax<<shift);
+ if(P_TOPRIGHT[0] < (rel_xmin<<shift)) P_TOPRIGHT[0]= (rel_xmin<<shift);
+ if(P_TOPRIGHT[1] > (rel_ymax<<shift)) P_TOPRIGHT[1]= (rel_ymax<<shift);
- P[4][0]= mid_pred(P[1][0], P[2][0], P[3][0]);
- P[4][1]= mid_pred(P[1][1], P[2][1], P[3][1]);
- }
- if(s->out_format == FMT_H263){
- pred_x = P[4][0];
- pred_y = P[4][1];
- }else { /* mpeg1 at least */
- pred_x= P[1][0];
- pred_y= P[1][1];
+ P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
+ P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
+
+ if(s->out_format == FMT_H263){
+ pred_x = P_MEDIAN[0];
+ pred_y = P_MEDIAN[1];
+ }else { /* mpeg1 at least */
+ pred_x= P_LEFT[0];
+ pred_y= P_LEFT[1];
+ }
}
}
- dmin = epzs_motion_search(s, &mx, &my, P, pred_x, pred_y, rel_xmin, rel_ymin, rel_xmax, rel_ymax);
+ dmin = epzs_motion_search(s, &mx, &my, P, pred_x, pred_y, rel_xmin, rel_ymin, rel_xmax, rel_ymax, ref_picture);
- mx+= mb_x*16;
- my+= mb_y*16;
break;
}
-
- if(s->flags&CODEC_FLAG_4MV){
- int block;
-
- mb_type|= MB_TYPE_INTER4V;
-
- for(block=0; block<4; block++){
- int mx4, my4;
- int pred_x4, pred_y4;
- int dmin4;
- static const int off[4]= {2, 1, 1, -1};
- const int mot_stride = s->block_wrap[0];
- const int mot_xy = s->block_index[block];
- const int block_x= mb_x*2 + (block&1);
- const int block_y= mb_y*2 + (block>>1);
-
- const int rel_xmin4= xmin - block_x*8;
- const int rel_xmax4= xmax - block_x*8 + 8;
- const int rel_ymin4= ymin - block_y*8;
- const int rel_ymax4= ymax - block_y*8 + 8;
-
- P[0][0] = s->motion_val[mot_xy ][0];
- P[0][1] = s->motion_val[mot_xy ][1];
- P[1][0] = s->motion_val[mot_xy - 1][0];
- P[1][1] = s->motion_val[mot_xy - 1][1];
- if(P[1][0] > (rel_xmax4<<shift)) P[1][0]= (rel_xmax4<<shift);
-
- /* special case for first line */
- if ((mb_y == 0 || s->first_slice_line || s->first_gob_line) && block<2) {
- P[4][0] = P[1][0];
- P[4][1] = P[1][1];
- } else {
- P[2][0] = s->motion_val[mot_xy - mot_stride ][0];
- P[2][1] = s->motion_val[mot_xy - mot_stride ][1];
- P[3][0] = s->motion_val[mot_xy - mot_stride + off[block]][0];
- P[3][1] = s->motion_val[mot_xy - mot_stride + off[block]][1];
- if(P[2][1] > (rel_ymax4<<shift)) P[2][1]= (rel_ymax4<<shift);
- if(P[3][0] < (rel_xmin4<<shift)) P[3][0]= (rel_xmin4<<shift);
- if(P[3][0] > (rel_xmax4<<shift)) P[3][0]= (rel_xmax4<<shift);
- if(P[3][1] > (rel_ymax4<<shift)) P[3][1]= (rel_ymax4<<shift);
-
- P[4][0]= mid_pred(P[1][0], P[2][0], P[3][0]);
- P[4][1]= mid_pred(P[1][1], P[2][1], P[3][1]);
- }
- if(s->out_format == FMT_H263){
- pred_x4 = P[4][0];
- pred_y4 = P[4][1];
- }else { /* mpeg1 at least */
- pred_x4= P[1][0];
- pred_y4= P[1][1];
- }
- P[5][0]= mx - mb_x*16;
- P[5][1]= my - mb_y*16;
-
- dmin4 = epzs_motion_search4(s, block, &mx4, &my4, P, pred_x4, pred_y4, rel_xmin4, rel_ymin4, rel_xmax4, rel_ymax4);
-
- halfpel_motion_search4(s, &mx4, &my4, dmin4, rel_xmin4, rel_ymin4, rel_xmax4, rel_ymax4,
- pred_x4, pred_y4, block_x, block_y);
-
- s->motion_val[ s->block_index[block] ][0]= mx4;
- s->motion_val[ s->block_index[block] ][1]= my4;
- }
- }
/* intra / predictive decision */
xx = mb_x * 16;
yy = mb_y * 16;
pix = s->new_picture[0] + (yy * s->linesize) + xx;
- /* At this point (mx,my) are full-pell and the absolute displacement */
- ppix = s->last_picture[0] + (my * s->linesize) + mx;
+ /* At this point (mx,my) are full-pell and the relative displacement */
+ ppix = ref_picture + ((yy+my) * s->linesize) + (xx+mx);
sum = pix_sum(pix, s->linesize);
-#if 0
- varc = pix_dev(pix, s->linesize, (sum+128)>>8) + INTER_BIAS;
- vard = pix_abs16x16(pix, ppix, s->linesize);
-#else
+
sum= (sum+8)>>4;
- varc = ((pix_norm1(pix, s->linesize) - sum*sum + 128 + 500)>>8);
+ varc = (pix_norm1(pix, s->linesize) - sum*sum + 500 + 128)>>8;
vard = (pix_norm(pix, ppix, s->linesize)+128)>>8;
-#endif
-
- s->mb_var[s->mb_width * mb_y + mb_x] = varc;
- s->avg_mb_var+= varc;
- s->mc_mb_var += vard;
-
+//printf("%d %d %d %X %X %X\n", s->mb_width, mb_x, mb_y,(int)s, (int)s->mb_var, (int)s->mc_mb_var); fflush(stdout);
+ s->mb_var [s->mb_width * mb_y + mb_x] = varc;
+ s->mc_mb_var[s->mb_width * mb_y + mb_x] = vard;
+ s->mb_var_sum += varc;
+ s->mc_mb_var_sum += vard;
+//printf("E%d %d %d %X %X %X\n", s->mb_width, mb_x, mb_y,(int)s, (int)s->mb_var, (int)s->mc_mb_var); fflush(stdout);
+
#if 0
printf("varc=%4d avg_var=%4d (sum=%4d) vard=%4d mx=%2d my=%2d\n",
varc, s->avg_mb_var, sum, vard, mx - xx, my - yy);
@@ -1010,68 +1199,556 @@ void estimate_motion(MpegEncContext * s,
mb_type|= MB_TYPE_INTRA;
if (varc*2 + 200 > vard){
mb_type|= MB_TYPE_INTER;
- halfpel_motion_search(s, &mx, &my, dmin, xmin, ymin, xmax, ymax, pred_x, pred_y);
+ if(s->me_method >= ME_EPZS)
+ fast_halfpel_motion_search(s, &mx, &my, dmin, rel_xmin, rel_ymin, rel_xmax, rel_ymax,
+ pred_x, pred_y, ref_picture, pix_abs16x16_x2, pix_abs16x16_y2,
+ pix_abs16x16_xy2, 0);
+ else
+ halfpel_motion_search( s, &mx, &my, dmin, rel_xmin, rel_ymin, rel_xmax, rel_ymax,
+ pred_x, pred_y, ref_picture, pix_abs16x16_x2, pix_abs16x16_y2,
+ pix_abs16x16_xy2, 0);
}else{
- mx = mx*2 - mb_x*32;
- my = my*2 - mb_y*32;
+ mx <<=1;
+ my <<=1;
}
+ if((s->flags&CODEC_FLAG_4MV)
+ && !s->skip_me && varc>50 && vard>10){
+ mv4_search(s, rel_xmin, rel_ymin, rel_xmax, rel_ymax, mx, my, shift);
+ mb_type|=MB_TYPE_INTER4V;
+
+ set_p_mv_tables(s, mx, my, 0);
+ }else
+ set_p_mv_tables(s, mx, my, 1);
}else{
if (vard <= 64 || vard < varc) {
mb_type|= MB_TYPE_INTER;
- if (s->full_search != ME_ZERO) {
- halfpel_motion_search(s, &mx, &my, dmin, xmin, ymin, xmax, ymax, pred_x, pred_y);
+ if (s->me_method != ME_ZERO) {
+ if(s->me_method >= ME_EPZS)
+ dmin= fast_halfpel_motion_search(s, &mx, &my, dmin, rel_xmin, rel_ymin, rel_xmax, rel_ymax,
+ pred_x, pred_y, ref_picture, pix_abs16x16_x2, pix_abs16x16_y2,
+ pix_abs16x16_xy2, 0);
+ else
+ dmin= halfpel_motion_search(s, &mx, &my, dmin, rel_xmin, rel_ymin, rel_xmax, rel_ymax,
+ pred_x, pred_y, ref_picture, pix_abs16x16_x2, pix_abs16x16_y2,
+ pix_abs16x16_xy2, 0);
+ if((s->flags&CODEC_FLAG_4MV)
+ && !s->skip_me && varc>50 && vard>10){
+ int dmin4= mv4_search(s, rel_xmin, rel_ymin, rel_xmax, rel_ymax, mx, my, shift);
+ if(dmin4 + 128 <dmin)
+ mb_type= MB_TYPE_INTER4V;
+ }
+ set_p_mv_tables(s, mx, my, mb_type!=MB_TYPE_INTER4V);
+
} else {
- mx -= 16 * mb_x;
- my -= 16 * mb_y;
+ mx <<=1;
+ my <<=1;
+ }
+#if 0
+ if (vard < 10) {
+ skip++;
+ fprintf(stderr,"\nEarly skip: %d vard: %2d varc: %5d dmin: %d",
+ skip, vard, varc, dmin);
}
+#endif
}else{
mb_type|= MB_TYPE_INTRA;
- mx = 0;//mx*2 - 32 * mb_x;
- my = 0;//my*2 - 32 * mb_y;
+ mx = 0;
+ my = 0;
}
}
s->mb_type[mb_y*s->mb_width + mb_x]= mb_type;
- set_mv_tables(s, mx, my);
}
-#else
+int ff_estimate_motion_b(MpegEncContext * s,
+ int mb_x, int mb_y, int16_t (*mv_table)[2], uint8_t *ref_picture, int f_code)
+{
+ int mx, my, range, dmin;
+ int xmin, ymin, xmax, ymax;
+ int rel_xmin, rel_ymin, rel_xmax, rel_ymax;
+ int pred_x=0, pred_y=0;
+ int P[10][2];
+ const int shift= 1+s->quarter_sample;
+ const int mot_stride = s->mb_width + 2;
+ const int mot_xy = (mb_y + 1)*mot_stride + mb_x + 1;
+
+ get_limits(s, &range, &xmin, &ymin, &xmax, &ymax, f_code);
+ rel_xmin= xmin - mb_x*16;
+ rel_xmax= xmax - mb_x*16;
+ rel_ymin= ymin - mb_y*16;
+ rel_ymax= ymax - mb_y*16;
+
+ switch(s->me_method) {
+ case ME_ZERO:
+ default:
+ no_motion_search(s, &mx, &my);
+ dmin = 0;
+ mx-= mb_x*16;
+ my-= mb_y*16;
+ break;
+ case ME_FULL:
+ dmin = full_motion_search(s, &mx, &my, range, xmin, ymin, xmax, ymax, ref_picture);
+ mx-= mb_x*16;
+ my-= mb_y*16;
+ break;
+ case ME_LOG:
+ dmin = log_motion_search(s, &mx, &my, range / 2, xmin, ymin, xmax, ymax, ref_picture);
+ mx-= mb_x*16;
+ my-= mb_y*16;
+ break;
+ case ME_PHODS:
+ dmin = phods_motion_search(s, &mx, &my, range / 2, xmin, ymin, xmax, ymax, ref_picture);
+ mx-= mb_x*16;
+ my-= mb_y*16;
+ break;
+ case ME_X1:
+ case ME_EPZS:
+ {
+
+ P_LAST[0] = mv_table[mot_xy ][0];
+ P_LAST[1] = mv_table[mot_xy ][1];
+ P_LEFT[0] = mv_table[mot_xy - 1][0];
+ P_LEFT[1] = mv_table[mot_xy - 1][1];
+ P_LAST_RIGHT[0] = mv_table[mot_xy + 1][0];
+ P_LAST_RIGHT[1] = mv_table[mot_xy + 1][1];
+ P_LAST_BOTTOM[0] = mv_table[mot_xy + mot_stride][0];
+ P_LAST_BOTTOM[1] = mv_table[mot_xy + mot_stride][1];
+
+ if(P_LEFT[0] > (rel_xmax<<shift)) P_LEFT[0] = (rel_xmax<<shift);
+ if(P_LAST_RIGHT[0] < (rel_xmin<<shift)) P_LAST_RIGHT[0] = (rel_xmin<<shift);
+ if(P_LAST_BOTTOM[1]< (rel_ymin<<shift)) P_LAST_BOTTOM[1]= (rel_ymin<<shift);
+
+ /* special case for first line */
+ if ((mb_y == 0 || s->first_slice_line)) {
+ } else {
+ P_TOP[0] = mv_table[mot_xy - mot_stride ][0];
+ P_TOP[1] = mv_table[mot_xy - mot_stride ][1];
+ P_TOPRIGHT[0] = mv_table[mot_xy - mot_stride + 1 ][0];
+ P_TOPRIGHT[1] = mv_table[mot_xy - mot_stride + 1 ][1];
+ if(P_TOP[1] > (rel_ymax<<shift)) P_TOP[1]= (rel_ymax<<shift);
+ if(P_TOPRIGHT[0] < (rel_xmin<<shift)) P_TOPRIGHT[0]= (rel_xmin<<shift);
+ if(P_TOPRIGHT[1] > (rel_ymax<<shift)) P_TOPRIGHT[1]= (rel_ymax<<shift);
+
+ P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
+ P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
+ }
+ pred_x= P_LEFT[0];
+ pred_y= P_LEFT[1];
+ }
+ dmin = epzs_motion_search(s, &mx, &my, P, pred_x, pred_y, rel_xmin, rel_ymin, rel_xmax, rel_ymax, ref_picture);
+
+ break;
+ }
+
+ dmin= fast_halfpel_motion_search(s, &mx, &my, dmin, rel_xmin, rel_ymin, rel_xmax, rel_ymax,
+ pred_x, pred_y, ref_picture, pix_abs16x16_x2, pix_abs16x16_y2,
+ pix_abs16x16_xy2, 0);
+//printf("%d %d %d %d//", s->mb_x, s->mb_y, mx, my);
+// s->mb_type[mb_y*s->mb_width + mb_x]= mb_type;
+ mv_table[mot_xy][0]= mx;
+ mv_table[mot_xy][1]= my;
+ return dmin;
+}
+
+
+static inline int check_bidir_mv(MpegEncContext * s,
+ int mb_x, int mb_y,
+ int motion_fx, int motion_fy,
+ int motion_bx, int motion_by,
+ int pred_fx, int pred_fy,
+ int pred_bx, int pred_by)
+{
+ //FIXME optimize?
+ //FIXME direct mode penalty
+ UINT16 *mv_penalty= s->mv_penalty[s->f_code] + MAX_MV; // f_code of the prev frame
+ uint8_t *dest_y = s->me_scratchpad;
+ uint8_t *ptr;
+ int dxy;
+ int src_x, src_y;
+ int fbmin;
+
+ fbmin = (mv_penalty[motion_fx-pred_fx] + mv_penalty[motion_fy-pred_fy])*s->qscale;
+
+ dxy = ((motion_fy & 1) << 1) | (motion_fx & 1);
+ src_x = mb_x * 16 + (motion_fx >> 1);
+ src_y = mb_y * 16 + (motion_fy >> 1);
+
+ ptr = s->last_picture[0] + (src_y * s->linesize) + src_x;
+ put_pixels_tab[dxy](dest_y , ptr , s->linesize, 16);
+ put_pixels_tab[dxy](dest_y + 8, ptr + 8, s->linesize, 16);
+
+ fbmin += (mv_penalty[motion_bx-pred_bx] + mv_penalty[motion_by-pred_by])*s->qscale;
+
+ dxy = ((motion_by & 1) << 1) | (motion_bx & 1);
+ src_x = mb_x * 16 + (motion_bx >> 1);
+ src_y = mb_y * 16 + (motion_by >> 1);
+
+ ptr = s->next_picture[0] + (src_y * s->linesize) + src_x;
+ avg_pixels_tab[dxy](dest_y , ptr , s->linesize, 16);
+ avg_pixels_tab[dxy](dest_y + 8, ptr + 8, s->linesize, 16);
+
+ fbmin += pix_abs16x16(s->new_picture[0] + mb_x*16 + mb_y*16*s->linesize, dest_y, s->linesize);
+ return fbmin;
+}
-/* test version which generates valid random vectors */
-int estimate_motion(MpegEncContext * s,
- int mb_x, int mb_y,
- int *mx_ptr, int *my_ptr)
+/* refine the bidir vectors in hq mode and return the score in both lq & hq mode*/
+static inline int bidir_refine(MpegEncContext * s,
+ int mb_x, int mb_y)
{
- int xx, yy, x1, y1, x2, y2, range;
-
- if ((random() % 10) >= 5) {
- range = 8 * (1 << (s->f_code - 1));
- if (s->out_format == FMT_H263 && !s->h263_msmpeg4)
- range = range * 2;
-
- xx = 16 * s->mb_x;
- yy = 16 * s->mb_y;
- x1 = xx - range;
- if (x1 < 0)
- x1 = 0;
- x2 = xx + range - 1;
- if (x2 > (s->width - 16))
- x2 = s->width - 16;
- y1 = yy - range;
- if (y1 < 0)
- y1 = 0;
- y2 = yy + range - 1;
- if (y2 > (s->height - 16))
- y2 = s->height - 16;
-
- *mx_ptr = (random() % (2 * (x2 - x1 + 1))) + 2 * (x1 - xx);
- *my_ptr = (random() % (2 * (y2 - y1 + 1))) + 2 * (y1 - yy);
- return 0;
+ const int mot_stride = s->mb_width + 2;
+ const int xy = (mb_y + 1)*mot_stride + mb_x + 1;
+ int fbmin;
+ int pred_fx= s->b_bidir_forw_mv_table[xy-1][0];
+ int pred_fy= s->b_bidir_forw_mv_table[xy-1][1];
+ int pred_bx= s->b_bidir_back_mv_table[xy-1][0];
+ int pred_by= s->b_bidir_back_mv_table[xy-1][1];
+ int motion_fx= s->b_bidir_forw_mv_table[xy][0]= s->b_forw_mv_table[xy][0];
+ int motion_fy= s->b_bidir_forw_mv_table[xy][1]= s->b_forw_mv_table[xy][1];
+ int motion_bx= s->b_bidir_back_mv_table[xy][0]= s->b_back_mv_table[xy][0];
+ int motion_by= s->b_bidir_back_mv_table[xy][1]= s->b_back_mv_table[xy][1];
+
+ //FIXME do refinement and add flag
+
+ fbmin= check_bidir_mv(s, mb_x, mb_y,
+ motion_fx, motion_fy,
+ motion_bx, motion_by,
+ pred_fx, pred_fy,
+ pred_bx, pred_by);
+
+ return fbmin;
+}
+
+static inline int direct_search(MpegEncContext * s,
+ int mb_x, int mb_y)
+{
+ int P[10][2];
+ const int mot_stride = s->mb_width + 2;
+ const int mot_xy = (mb_y + 1)*mot_stride + mb_x + 1;
+ int dmin, dmin2;
+ int motion_fx, motion_fy, motion_bx, motion_by, motion_bx0, motion_by0;
+ int motion_dx, motion_dy;
+ const int motion_px= s->p_mv_table[mot_xy][0];
+ const int motion_py= s->p_mv_table[mot_xy][1];
+ const int time_pp= s->pp_time;
+ const int time_bp= s->bp_time;
+ const int time_pb= time_pp - time_bp;
+ int bx, by;
+ int mx, my, mx2, my2;
+ uint8_t *ref_picture= s->me_scratchpad - (mb_x + 1 + (mb_y + 1)*s->linesize)*16;
+ int16_t (*mv_table)[2]= s->b_direct_mv_table;
+ uint16_t *mv_penalty= s->mv_penalty[s->f_code] + MAX_MV; // f_code of the prev frame
+
+ /* thanks to iso-mpeg the rounding is different for the zero vector, so we need to handle that ... */
+ motion_fx= (motion_px*time_pb)/time_pp;
+ motion_fy= (motion_py*time_pb)/time_pp;
+ motion_bx0= (-motion_px*time_bp)/time_pp;
+ motion_by0= (-motion_py*time_bp)/time_pp;
+ motion_dx= motion_dy=0;
+ dmin2= check_bidir_mv(s, mb_x, mb_y,
+ motion_fx, motion_fy,
+ motion_bx0, motion_by0,
+ motion_fx, motion_fy,
+ motion_bx0, motion_by0) - s->qscale;
+
+ motion_bx= motion_fx - motion_px;
+ motion_by= motion_fy - motion_py;
+ for(by=-1; by<2; by++){
+ for(bx=-1; bx<2; bx++){
+ uint8_t *dest_y = s->me_scratchpad + (by+1)*s->linesize*16 + (bx+1)*16;
+ uint8_t *ptr;
+ int dxy;
+ int src_x, src_y;
+ const int width= s->width;
+ const int height= s->height;
+
+ dxy = ((motion_fy & 1) << 1) | (motion_fx & 1);
+ src_x = (mb_x + bx) * 16 + (motion_fx >> 1);
+ src_y = (mb_y + by) * 16 + (motion_fy >> 1);
+ src_x = clip(src_x, -16, width);
+ if (src_x == width) dxy &= ~1;
+ src_y = clip(src_y, -16, height);
+ if (src_y == height) dxy &= ~2;
+
+ ptr = s->last_picture[0] + (src_y * s->linesize) + src_x;
+ put_pixels_tab[dxy](dest_y , ptr , s->linesize, 16);
+ put_pixels_tab[dxy](dest_y + 8, ptr + 8, s->linesize, 16);
+
+ dxy = ((motion_by & 1) << 1) | (motion_bx & 1);
+ src_x = (mb_x + bx) * 16 + (motion_bx >> 1);
+ src_y = (mb_y + by) * 16 + (motion_by >> 1);
+ src_x = clip(src_x, -16, width);
+ if (src_x == width) dxy &= ~1;
+ src_y = clip(src_y, -16, height);
+ if (src_y == height) dxy &= ~2;
+
+ avg_pixels_tab[dxy](dest_y , ptr , s->linesize, 16);
+ avg_pixels_tab[dxy](dest_y + 8, ptr + 8, s->linesize, 16);
+ }
+ }
+
+ P_LAST[0] = mv_table[mot_xy ][0];
+ P_LAST[1] = mv_table[mot_xy ][1];
+ P_LEFT[0] = mv_table[mot_xy - 1][0];
+ P_LEFT[1] = mv_table[mot_xy - 1][1];
+ P_LAST_RIGHT[0] = mv_table[mot_xy + 1][0];
+ P_LAST_RIGHT[1] = mv_table[mot_xy + 1][1];
+ P_LAST_BOTTOM[0] = mv_table[mot_xy + mot_stride][0];
+ P_LAST_BOTTOM[1] = mv_table[mot_xy + mot_stride][1];
+/*
+ if(P_LEFT[0] > (rel_xmax<<shift)) P_LEFT[0] = (rel_xmax<<shift);
+ if(P_LAST_RIGHT[0] < (rel_xmin<<shift)) P_LAST_RIGHT[0] = (rel_xmin<<shift);
+ if(P_LAST_BOTTOM[1]< (rel_ymin<<shift)) P_LAST_BOTTOM[1]= (rel_ymin<<shift);
+*/
+ /* special case for first line */
+ if ((mb_y == 0 || s->first_slice_line)) {
} else {
- *mx_ptr = 0;
- *my_ptr = 0;
- return 1;
+ P_TOP[0] = mv_table[mot_xy - mot_stride ][0];
+ P_TOP[1] = mv_table[mot_xy - mot_stride ][1];
+ P_TOPRIGHT[0] = mv_table[mot_xy - mot_stride + 1 ][0];
+ P_TOPRIGHT[1] = mv_table[mot_xy - mot_stride + 1 ][1];
+
+ P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
+ P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
}
+ dmin = epzs_motion_search(s, &mx, &my, P, 0, 0, -16, -16, 15, 15, ref_picture);
+ if(mx==0 && my==0) dmin=99999999; // not representable, due to rounding stuff
+ if(dmin2<dmin){
+ dmin= dmin2;
+ mx=0;
+ my=0;
+ }
+#if 1
+ mx2= mx= mx*2;
+ my2= my= my*2;
+ for(by=-1; by<2; by++){
+ if(my2+by < -32) continue;
+ for(bx=-1; bx<2; bx++){
+ if(bx==0 && by==0) continue;
+ if(mx2+bx < -32) continue;
+ dmin2= check_bidir_mv(s, mb_x, mb_y,
+ mx2+bx+motion_fx, my2+by+motion_fy,
+ mx2+bx+motion_bx, my2+by+motion_by,
+ mx2+bx+motion_fx, my2+by+motion_fy,
+ motion_bx, motion_by) - s->qscale;
+
+ if(dmin2<dmin){
+ dmin=dmin2;
+ mx= mx2 + bx;
+ my= my2 + by;
+ }
+ }
+ }
+#else
+ mx*=2; my*=2;
+#endif
+ if(mx==0 && my==0){
+ motion_bx= motion_bx0;
+ motion_by= motion_by0;
+ }
+
+ s->b_direct_mv_table[mot_xy][0]= mx;
+ s->b_direct_mv_table[mot_xy][1]= my;
+ s->b_direct_forw_mv_table[mot_xy][0]= motion_fx + mx;
+ s->b_direct_forw_mv_table[mot_xy][1]= motion_fy + my;
+ s->b_direct_back_mv_table[mot_xy][0]= motion_bx + mx;
+ s->b_direct_back_mv_table[mot_xy][1]= motion_by + my;
+ return dmin;
}
-#endif
+void ff_estimate_b_frame_motion(MpegEncContext * s,
+ int mb_x, int mb_y)
+{
+ const int quant= s->qscale;
+ int fmin, bmin, dmin, fbmin;
+ int type=0;
+
+ dmin= direct_search(s, mb_x, mb_y);
+
+ fmin= ff_estimate_motion_b(s, mb_x, mb_y, s->b_forw_mv_table, s->last_picture[0], s->f_code);
+ bmin= ff_estimate_motion_b(s, mb_x, mb_y, s->b_back_mv_table, s->next_picture[0], s->b_code) - quant;
+//printf(" %d %d ", s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1]);
+
+ fbmin= bidir_refine(s, mb_x, mb_y);
+
+ if(s->flags&CODEC_FLAG_HQ){
+ type= MB_TYPE_FORWARD | MB_TYPE_BACKWARD | MB_TYPE_BIDIR | MB_TYPE_DIRECT;
+ }else{
+ int score= dmin;
+ type=MB_TYPE_DIRECT;
+
+ if(fmin<score){
+ score=fmin;
+ type= MB_TYPE_FORWARD;
+ }
+ if(bmin<score){
+ score=bmin;
+ type= MB_TYPE_BACKWARD;
+ }
+ if(fbmin<score){
+ score=fbmin;
+ type= MB_TYPE_BIDIR;
+ }
+ s->mc_mb_var_sum += score;
+ s->mc_mb_var[mb_y*s->mb_width + mb_x] = score;
+ }
+/*
+{
+static int count=0;
+static int sum=0;
+if(type==MB_TYPE_DIRECT){
+ int diff= ABS(s->b_forw_mv_table)
+}
+}*/
+
+ s->mb_type[mb_y*s->mb_width + mb_x]= type;
+/* if(mb_y==0 && mb_x==0) printf("\n");
+ if(mb_x==0) printf("\n");
+ printf("%d", av_log2(type));
+*/
+}
+
+/* find best f_code for ME which do unlimited searches */
+int ff_get_best_fcode(MpegEncContext * s, int16_t (*mv_table)[2], int type)
+{
+ if(s->me_method>=ME_EPZS){
+ int score[8];
+ int i, y;
+ UINT8 * fcode_tab= s->fcode_tab;
+ int best_fcode=-1;
+ int best_score=-10000000;
+
+ for(i=0; i<8; i++) score[i]= s->mb_num*(8-i); //FIXME *2 and all other too so its the same but nicer
+
+ for(y=0; y<s->mb_height; y++){
+ int x;
+ int xy= (y+1)* (s->mb_width+2) + 1;
+ i= y*s->mb_width;
+ for(x=0; x<s->mb_width; x++){
+ if(s->mb_type[i] & type){
+ int fcode= MAX(fcode_tab[mv_table[xy][0] + MAX_MV],
+ fcode_tab[mv_table[xy][1] + MAX_MV]);
+ int j;
+
+ for(j=0; j<fcode && j<8; j++){
+ if(s->pict_type==B_TYPE || s->mc_mb_var[i] < s->mb_var[i])
+ score[j]-= 170;
+ }
+ }
+ i++;
+ xy++;
+ }
+ }
+
+ for(i=1; i<8; i++){
+ if(score[i] > best_score){
+ best_score= score[i];
+ best_fcode= i;
+ }
+// printf("%d %d\n", i, score[i]);
+ }
+
+// printf("fcode: %d type: %d\n", i, s->pict_type);
+ return best_fcode;
+/* for(i=0; i<=MAX_FCODE; i++){
+ printf("%d ", mv_num[i]);
+ }
+ printf("\n");*/
+ }else{
+ return 1;
+ }
+}
+
+void ff_fix_long_p_mvs(MpegEncContext * s)
+{
+ const int f_code= s->f_code;
+ int y;
+ UINT8 * fcode_tab= s->fcode_tab;
+//int clip=0;
+//int noclip=0;
+ /* clip / convert to intra 16x16 type MVs */
+ for(y=0; y<s->mb_height; y++){
+ int x;
+ int xy= (y+1)* (s->mb_width+2)+1;
+ int i= y*s->mb_width;
+ for(x=0; x<s->mb_width; x++){
+ if(s->mb_type[i]&MB_TYPE_INTER){
+ if( fcode_tab[s->p_mv_table[xy][0] + MAX_MV] > f_code
+ || fcode_tab[s->p_mv_table[xy][0] + MAX_MV] == 0
+ || fcode_tab[s->p_mv_table[xy][1] + MAX_MV] > f_code
+ || fcode_tab[s->p_mv_table[xy][1] + MAX_MV] == 0 ){
+ s->mb_type[i] &= ~MB_TYPE_INTER;
+ s->mb_type[i] |= MB_TYPE_INTRA;
+ s->p_mv_table[xy][0] = 0;
+ s->p_mv_table[xy][1] = 0;
+//clip++;
+ }
+//else
+// noclip++;
+ }
+ xy++;
+ i++;
+ }
+ }
+//printf("%d no:%d %d//\n", clip, noclip, f_code);
+ if(s->flags&CODEC_FLAG_4MV){
+ const int wrap= 2+ s->mb_width*2;
+
+ /* clip / convert to intra 8x8 type MVs */
+ for(y=0; y<s->mb_height; y++){
+ int xy= (y*2 + 1)*wrap + 1;
+ int i= y*s->mb_width;
+ int x;
+
+ for(x=0; x<s->mb_width; x++){
+ if(s->mb_type[i]&MB_TYPE_INTER4V){
+ int block;
+ for(block=0; block<4; block++){
+ int off= (block& 1) + (block>>1)*wrap;
+ int mx= s->motion_val[ xy + off ][0];
+ int my= s->motion_val[ xy + off ][1];
+
+ if( fcode_tab[mx + MAX_MV] > f_code
+ || fcode_tab[mx + MAX_MV] == 0
+ || fcode_tab[my + MAX_MV] > f_code
+ || fcode_tab[my + MAX_MV] == 0 ){
+ s->mb_type[i] &= ~MB_TYPE_INTER4V;
+ s->mb_type[i] |= MB_TYPE_INTRA;
+ }
+ }
+ xy+=2;
+ i++;
+ }
+ }
+ }
+ }
+}
+
+void ff_fix_long_b_mvs(MpegEncContext * s, int16_t (*mv_table)[2], int f_code, int type)
+{
+ int y;
+ UINT8 * fcode_tab= s->fcode_tab;
+
+ /* clip / convert to intra 16x16 type MVs */
+ for(y=0; y<s->mb_height; y++){
+ int x;
+ int xy= (y+1)* (s->mb_width+2)+1;
+ int i= y*s->mb_width;
+ for(x=0; x<s->mb_width; x++){
+ if(s->mb_type[i]&type){
+ if( fcode_tab[mv_table[xy][0] + MAX_MV] > f_code
+ || fcode_tab[mv_table[xy][0] + MAX_MV] == 0
+ || fcode_tab[mv_table[xy][1] + MAX_MV] > f_code
+ || fcode_tab[mv_table[xy][1] + MAX_MV] == 0 ){
+ if(s->mb_type[i]&(~type)) s->mb_type[i] &= ~type;
+ else{
+ mv_table[xy][0] = 0;
+ mv_table[xy][1] = 0;
+ //this is certainly bad FIXME
+ }
+ }
+ }
+ xy++;
+ i++;
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-28 19:58:16 +0000