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shape adaptive diamonds for EPZS

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user specified amount of MV predictors from the last frame
b frame MV predictor scaling fixed

Originally committed as revision 1384 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2003-01-01 14:36:20 +00:00
parent e9166b58aa
commit b07a59805e
5 changed files with 337 additions and 98 deletions
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14
libavcodec/avcodec.h
View File

@ -5,8 +5,8 @@
#define LIBAVCODEC_VERSION_INT 0x000406
#define LIBAVCODEC_VERSION "0.4.6"
#define LIBAVCODEC_BUILD 4648
#define LIBAVCODEC_BUILD_STR "4648"
#define LIBAVCODEC_BUILD 4649
#define LIBAVCODEC_BUILD_STR "4649"
enum CodecID {
CODEC_ID_NONE,
@ -882,11 +882,19 @@ typedef struct AVCodecContext {
#define FF_CMP_CHROMA 256
/**
* ME diamond size
* ME diamond size & shape
* encoding: set by user.
* decoding: unused
*/
int dia_size;
/**
* amount of previous MV predictors (2a+1 x 2a+1 square)
* encoding: set by user.
* decoding: unused
*/
int last_predictor_count;
} AVCodecContext;
typedef struct AVCodec {

72
libavcodec/motion_est.c
View File

@ -31,15 +31,10 @@
#define SQ(a) ((a)*(a))
#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]
static inline int sad_hpel_motion_search(MpegEncContext * s,
@ -58,7 +53,19 @@ static inline int update_map_generation(MpegEncContext * s)
return s->me.map_generation;
}
/* shape adaptive search stuff */
typedef struct Minima{
int height;
int x, y;
int checked;
}Minima;
static int minima_cmp(const void *a, const void *b){
Minima *da = (Minima *) a;
Minima *db = (Minima *) b;
return da->height - db->height;
}
/* SIMPLE */
#define RENAME(a) simple_ ## a
@ -792,18 +799,10 @@ static inline int mv4_search(MpegEncContext *s, int xmin, int ymin, int xmax, in
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) {
@ -834,7 +833,7 @@ static inline int mv4_search(MpegEncContext *s, int xmin, int ymin, int xmax, in
P_MV1[1]= my;
dmin4 = s->me.motion_search[1](s, block, &mx4, &my4, P, pred_x4, pred_y4, rel_xmin4, rel_ymin4, rel_xmax4, rel_ymax4,
&s->last_picture, mv_penalty);
&s->last_picture, s->p_mv_table, (1<<16)>>shift, mv_penalty);
dmin4= s->me.sub_motion_search(s, &mx4, &my4, dmin4, rel_xmin4, rel_ymin4, rel_xmax4, rel_ymax4,
pred_x4, pred_y4, &s->last_picture, block, 1, mv_penalty);
@ -902,18 +901,10 @@ void ff_estimate_p_frame_motion(MpegEncContext * s,
const int mot_stride = s->block_wrap[0];
const int mot_xy = s->block_index[0];
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];
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)) {
@ -941,7 +932,7 @@ void ff_estimate_p_frame_motion(MpegEncContext * s,
}
}
dmin = s->me.motion_search[0](s, 0, &mx, &my, P, pred_x, pred_y, rel_xmin, rel_ymin, rel_xmax, rel_ymax,
&s->last_picture, mv_penalty);
&s->last_picture, s->p_mv_table, (1<<16)>>shift, mv_penalty);
break;
}
@ -1046,6 +1037,7 @@ int ff_estimate_motion_b(MpegEncContext * s,
const int mot_xy = (mb_y + 1)*mot_stride + mb_x + 1;
uint8_t * const ref_picture= picture->data[0];
uint16_t * const mv_penalty= s->me.mv_penalty[f_code] + MAX_MV;
int mv_scale;
s->me.penalty_factor = get_penalty_factor(s, s->avctx->me_cmp);
s->me.sub_penalty_factor= get_penalty_factor(s, s->avctx->me_sub_cmp);
@ -1082,19 +1074,10 @@ int ff_estimate_motion_b(MpegEncContext * s,
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)) {
@ -1113,8 +1096,15 @@ int ff_estimate_motion_b(MpegEncContext * s,
pred_x= P_LEFT[0];
pred_y= P_LEFT[1];
}
if(mv_table == s->b_forw_mv_table){
mv_scale= (s->pb_time<<16) / (s->pp_time<<shift);
}else{
mv_scale= ((s->pb_time - s->pp_time)<<16) / (s->pp_time<<shift);
}
dmin = s->me.motion_search[0](s, 0, &mx, &my, P, pred_x, pred_y, rel_xmin, rel_ymin, rel_xmax, rel_ymax,
picture, mv_penalty);
picture, s->p_mv_table, mv_scale, mv_penalty);
break;
}
@ -1232,19 +1222,9 @@ static inline int direct_search(MpegEncContext * s,
int16_t (*mv_table)[2]= s->b_direct_mv_table;
uint16_t * const mv_penalty= s->me.mv_penalty[1] + MAX_MV;
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 {
@ -1305,12 +1285,12 @@ static inline int direct_search(MpegEncContext * s,
if(s->flags&CODEC_FLAG_QPEL){
dmin = simple_direct_qpel_epzs_motion_search(s, 0, &mx, &my, P, 0, 0, xmin, ymin, xmax, ymax,
&s->last_picture, mv_penalty);
&s->last_picture, mv_table, 1<<14, mv_penalty);
dmin = simple_direct_qpel_qpel_motion_search(s, &mx, &my, dmin, xmin, ymin, xmax, ymax,
0, 0, &s->last_picture, 0, 0, mv_penalty);
}else{
dmin = simple_direct_hpel_epzs_motion_search(s, 0, &mx, &my, P, 0, 0, xmin, ymin, xmax, ymax,
&s->last_picture, mv_penalty);
&s->last_picture, mv_table, 1<<15, mv_penalty);
dmin = simple_direct_hpel_hpel_motion_search(s, &mx, &my, dmin, xmin, ymin, xmax, ymax,
0, 0, &s->last_picture, 0, 0, mv_penalty);
}

339
libavcodec/motion_est_template.c
View File

@ -67,14 +67,13 @@ 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)
int n, int size, uint16_t * const mv_penalty)
{
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;
const int penalty_factor= s->me.sub_penalty_factor;
LOAD_COMMON(xx, yy);
@ -120,7 +119,7 @@ static int RENAME(hpel_motion_search)(MpegEncContext * s,
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);
assert(bx >= xmin*2 || bx <= xmax*2 || by >= ymin*2 || by <= ymax*2);
*mx_ptr = bx;
*my_ptr = by;
@ -171,14 +170,27 @@ static int RENAME(hpel_motion_search)(MpegEncContext * s,
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;
+ (mv_penalty[bx - pred_x] + mv_penalty[by-2 - pred_y])*s->me.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;
+ (mv_penalty[bx-2 - pred_x] + mv_penalty[by - pred_y])*s->me.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;
+ (mv_penalty[bx+2 - pred_x] + mv_penalty[by - pred_y])*s->me.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;
+ (mv_penalty[bx - pred_x] + mv_penalty[by+2 - pred_y])*s->me.penalty_factor;
#if 0
int key;
int map_generation= s->me.map_generation;
uint32_t *map= s->me.map;
key= ((my-1)<<ME_MAP_MV_BITS) + (mx) + map_generation;
assert(map[(index-(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)] == key);
key= ((my+1)<<ME_MAP_MV_BITS) + (mx) + map_generation;
assert(map[(index+(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)] == key);
key= ((my)<<ME_MAP_MV_BITS) + (mx+1) + map_generation;
assert(map[(index+1)&(ME_MAP_SIZE-1)] == key);
key= ((my)<<ME_MAP_MV_BITS) + (mx-1) + map_generation;
assert(map[(index-1)&(ME_MAP_SIZE-1)] == key);
#endif
if(t<=b){
CHECK_HALF_MV(0, 1, mx ,my-1)
if(l<=r){
@ -460,24 +472,35 @@ static int RENAME(qpel_motion_search)(MpegEncContext * s,
{\
const int key= ((y)<<ME_MAP_MV_BITS) + (x) + map_generation;\
const int index= (((y)<<ME_MAP_SHIFT) + (x))&(ME_MAP_SIZE-1);\
/*printf("check_mv %d %d\n", x, y);*/\
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;\
/*printf("score:%d\n", d);*/\
COPY3_IF_LT(dmin, d, best[0], x, best[1], y)\
}\
}
#define CHECK_CLIPED_MV(ax,ay)\
{\
const int x= FFMAX(xmin, FFMIN(ax, xmax));\
const int y= FFMAX(ymin, FFMIN(ay, ymax));\
CHECK_MV(x, 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);\
/*printf("check_mv_dir %d %d %d\n", x, y, new_dir);*/\
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;\
/*printf("score:%d\n", d);*/\
if(d<dmin){\
best[0]=x;\
best[1]=y;\
@ -508,6 +531,15 @@ static inline int RENAME(small_diamond_search)(MpegEncContext * s, int *best, in
cmp= s->dsp.me_cmp[size];
chroma_cmp= s->dsp.me_cmp[size+1];
{ /* ensure that the best point is in the MAP as h/qpel refinement needs it */
const int key= (best[1]<<ME_MAP_MV_BITS) + best[0] + map_generation;
const int index= ((best[1]<<ME_MAP_SHIFT) + best[0])&(ME_MAP_SIZE-1);
if(map[index]!=key){ //this will be executed only very rarey
CMP(score_map[index], best[0], best[1], size);
map[index]= key;
}
}
for(;;){
int d;
const int dir= next_dir;
@ -527,6 +559,177 @@ static inline int RENAME(small_diamond_search)(MpegEncContext * s, int *best, in
}
}
static inline int RENAME(funny_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;
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<=4; dia_size++){
int dir;
const int x= best[0];
const int y= best[1];
if(dia_size&(dia_size-1)) continue;
if( x + dia_size > xmax
|| x - dia_size < xmin
|| y + dia_size > ymax
|| y - dia_size < ymin)
continue;
for(dir= 0; dir<dia_size; dir+=2){
int d;
CHECK_MV(x + dir , y + dia_size - dir);
CHECK_MV(x + dia_size - dir, y - dir );
CHECK_MV(x - dir , y - dia_size + dir);
CHECK_MV(x - dia_size + dir, y + dir );
}
if(x!=best[0] || y!=best[1])
dia_size=0;
#if 0
{
int dx, dy, i;
static int stats[8*8];
dx= ABS(x-best[0]);
dy= ABS(y-best[1]);
if(dy>dx){
dx^=dy; dy^=dx; dx^=dy;
}
stats[dy*8 + dx] ++;
if(256*256*256*64 % (stats[0]+1)==0){
for(i=0; i<64; i++){
if((i&7)==0) printf("\n");
printf("%8d ", stats[i]);
}
printf("\n");
}
}
#endif
}
return dmin;
}
#define SAB_CHECK_MV(ax,ay)\
{\
const int key= ((ay)<<ME_MAP_MV_BITS) + (ax) + map_generation;\
const int index= (((ay)<<ME_MAP_SHIFT) + (ax))&(ME_MAP_SIZE-1);\
/*printf("sab check %d %d\n", ax, ay);*/\
if(map[index]!=key){\
CMP(d, ax, ay, size);\
map[index]= key;\
score_map[index]= d;\
d += (mv_penalty[((ax)<<shift)-pred_x] + mv_penalty[((ay)<<shift)-pred_y])*penalty_factor;\
/*printf("score: %d\n", d);*/\
if(d < minima[minima_count-1].height){\
int j=0;\
\
while(d >= minima[j].height) j++;\
\
memmove(&minima [j+1], &minima [j], (minima_count - j - 1)*sizeof(Minima));\
\
minima[j].checked= 0;\
minima[j].height= d;\
minima[j].x= ax;\
minima[j].y= ay;\
\
i=-1;\
continue;\
}\
}\
}
#define MAX_SAB_SIZE 16
static inline int RENAME(sab_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;
Minima minima[MAX_SAB_SIZE];
const int minima_count= ABS(s->avctx->dia_size);
int i, j;
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(j=i=0; i<ME_MAP_SIZE; i++){
uint32_t key= map[i];
key += (1<<(ME_MAP_MV_BITS-1)) + (1<<(2*ME_MAP_MV_BITS-1));
if((key&((-1)<<(2*ME_MAP_MV_BITS))) != map_generation) continue;
assert(j<MAX_SAB_SIZE); //max j = number of predictors
minima[j].height= score_map[i];
minima[j].x= key & ((1<<ME_MAP_MV_BITS)-1); key>>=ME_MAP_MV_BITS;
minima[j].y= key & ((1<<ME_MAP_MV_BITS)-1);
minima[j].x-= (1<<(ME_MAP_MV_BITS-1));
minima[j].y-= (1<<(ME_MAP_MV_BITS-1));
minima[j].checked=0;
if(minima[j].x || minima[j].y)
minima[j].height+= (mv_penalty[((minima[j].x)<<shift)-pred_x] + mv_penalty[((minima[j].y)<<shift)-pred_y])*penalty_factor;
j++;
}
qsort(minima, j, sizeof(Minima), minima_cmp);
for(; j<minima_count; j++){
minima[j].height=256*256*256*64;
minima[j].checked=0;
minima[j].x= minima[j].y=0;
}
for(i=0; i<minima_count; i++){
const int x= minima[i].x;
const int y= minima[i].y;
int d;
if(minima[i].checked) continue;
if( x >= xmax || x <= xmin
|| y >= ymax || y <= ymin)
continue;
SAB_CHECK_MV(x-1, y)
SAB_CHECK_MV(x+1, y)
SAB_CHECK_MV(x , y-1)
SAB_CHECK_MV(x , y+1)
minima[i].checked= 1;
}
best[0]= minima[0].x;
best[1]= minima[0].y;
dmin= minima[0].height;
if( best[0] < xmax && best[0] > xmin
&& best[1] < ymax && best[1] > ymin){
int d;
//ensure that the refernece samples for hpel refinement are in the map
CHECK_MV(best[0]-1, best[1])
CHECK_MV(best[0]+1, best[1])
CHECK_MV(best[0], best[1]-1)
CHECK_MV(best[0], best[1]+1)
}
return dmin;
}
static 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,
@ -535,7 +738,7 @@ static inline int RENAME(var_diamond_search)(MpegEncContext * s, int *best, int
)
{
me_cmp_func cmp, chroma_cmp;
int dia_size=1;
int dia_size;
LOAD_COMMON(s->mb_x*16, s->mb_y*16);
cmp= s->dsp.me_cmp[size];
@ -547,7 +750,7 @@ static inline int RENAME(var_diamond_search)(MpegEncContext * s, int *best, int
const int y= best[1];
start= FFMAX(0, y + dia_size - ymax);
end = FFMIN(dia_size, xmax - x);
end = FFMIN(dia_size, xmax - x + 1);
for(dir= start; dir<end; dir++){
int d;
@ -556,7 +759,7 @@ static inline int RENAME(var_diamond_search)(MpegEncContext * s, int *best, int
}
start= FFMAX(0, x + dia_size - xmax);
end = FFMIN(dia_size, y - ymin);
end = FFMIN(dia_size, y - ymin + 1);
for(dir= start; dir<end; dir++){
int d;
@ -565,7 +768,7 @@ static inline int RENAME(var_diamond_search)(MpegEncContext * s, int *best, int
}
start= FFMAX(0, -y + dia_size + ymin );
end = FFMIN(dia_size, x - xmin);
end = FFMIN(dia_size, x - xmin + 1);
for(dir= start; dir<end; dir++){
int d;
@ -574,7 +777,7 @@ static inline int RENAME(var_diamond_search)(MpegEncContext * s, int *best, int
}
start= FFMAX(0, -x + dia_size + xmin );
end = FFMIN(dia_size, ymax - y);
end = FFMIN(dia_size, ymax - y + 1);
for(dir= start; dir<end; dir++){
int d;
@ -584,6 +787,22 @@ static inline int RENAME(var_diamond_search)(MpegEncContext * s, int *best, int
if(x!=best[0] || y!=best[1])
dia_size=0;
#if 0
{
int dx, dy, i;
static int stats[8*8];
dx= ABS(x-best[0]);
dy= ABS(y-best[1]);
stats[dy*8 + dx] ++;
if(256*256*256*64 % (stats[0]+1)==0){
for(i=0; i<64; i++){
if((i&7)==0) printf("\n");
printf("%6d ", stats[i]);
}
printf("\n");
}
}
#endif
}
return dmin;
}
@ -591,7 +810,8 @@ static inline int RENAME(var_diamond_search)(MpegEncContext * s, int *best, int
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 xmin, int ymin, int xmax, int ymax, Picture *ref_picture, int16_t (*last_mv)[2],
int ref_mv_scale, uint16_t * const mv_penalty)
{
int best[2]={0, 0};
int d, dmin;
@ -600,6 +820,8 @@ static int RENAME(epzs_motion_search)(MpegEncContext * s, int block,
int map_generation;
const int penalty_factor= s->me.penalty_factor;
const int size=0;
const int ref_mv_stride= s->mb_width+2;
const int ref_mv_xy= 1 + s->mb_x + (s->mb_y + 1)*ref_mv_stride;
me_cmp_func cmp, chroma_cmp;
LOAD_COMMON(s->mb_x*16, s->mb_y*16);
@ -615,11 +837,12 @@ static int RENAME(epzs_motion_search)(MpegEncContext * s, int block,
/* 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)
CHECK_CLIPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
}else{
if(dmin<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){
|P_TOPRIGHT[0]|P_TOPRIGHT[1])==0){
*mx_ptr= 0;
*my_ptr= 0;
s->me.skip=1;
@ -627,39 +850,51 @@ static int RENAME(epzs_motion_search)(MpegEncContext * s, int block,
}
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_CLIPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
CHECK_MV(P_LEFT[0] >>shift, P_LEFT[1] >>shift)
CHECK_MV(P_TOP[0] >>shift, P_TOP[1] >>shift)
CHECK_MV(P_TOPRIGHT[0]>>shift, P_TOPRIGHT[1]>>shift)
}
}
if(dmin>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)
CHECK_CLIPED_MV((last_mv[ref_mv_xy+1][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy+1][1]*ref_mv_scale + (1<<15))>>16)
CHECK_CLIPED_MV((last_mv[ref_mv_xy+ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy+ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16)
}
#if 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)
}
if(s->avctx->last_predictor_count){
const int count= s->avctx->last_predictor_count;
const int xstart= FFMAX(0, s->mb_x - count);
const int ystart= FFMAX(0, s->mb_y - count);
const int xend= FFMIN(s->mb_width , s->mb_x + count + 1);
const int yend= FFMIN(s->mb_height, s->mb_y + count + 1);
int mb_y;
for(mb_y=ystart; mb_y<yend; mb_y++){
int mb_x;
for(mb_x=xstart; mb_x<xend; mb_x++){
const int xy= mb_x + 1 + (mb_y + 1)*ref_mv_stride;
int mx= (last_mv[xy][0]*ref_mv_scale + (1<<15))>>16;
int my= (last_mv[xy][1]*ref_mv_scale + (1<<15))>>16;
if(mx>xmax || mx<xmin || my>ymax || my<ymin) continue;
CHECK_MV(mx,my)
}
}
}
#endif
//check(best[0],best[1],0, b0)
if(s->avctx->dia_size<2)
if(s->avctx->dia_size==-1)
dmin= RENAME(funny_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 if(s->avctx->dia_size<-1)
dmin= RENAME(sab_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 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);
@ -680,7 +915,8 @@ static int RENAME(epzs_motion_search)(MpegEncContext * s, int block,
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 xmin, int ymin, int xmax, int ymax, Picture *ref_picture, int16_t (*last_mv)[2],
int ref_mv_scale, uint16_t * const mv_penalty)
{
int best[2]={0, 0};
int d, dmin;
@ -689,6 +925,8 @@ static int RENAME(epzs_motion_search4)(MpegEncContext * s, int block,
int map_generation;
const int penalty_factor= s->me.penalty_factor;
const int size=1;
const int ref_mv_stride= s->mb_width+2;
const int ref_mv_xy= 1 + s->mb_x + (s->mb_y + 1)*ref_mv_stride;
me_cmp_func cmp, chroma_cmp;
LOAD_COMMON((s->mb_x*2 + (block&1))*8, (s->mb_y*2 + (block>>1))*8);
@ -702,7 +940,8 @@ static int RENAME(epzs_motion_search4)(MpegEncContext * s, int block,
/* 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_CLIPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
CHECK_MV(P_MV1[0]>>shift, P_MV1[1]>>shift)
}else{
CHECK_MV(P_MV1[0]>>shift, P_MV1[1]>>shift)
@ -712,15 +951,26 @@ static int RENAME(epzs_motion_search4)(MpegEncContext * s, int block,
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)
CHECK_CLIPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
}
}
if(dmin>64*4){
CHECK_MV(P_LAST_RIGHT[0]>>shift, P_LAST_RIGHT[1]>>shift)
CHECK_MV(P_LAST_BOTTOM[0]>>shift, P_LAST_BOTTOM[1]>>shift)
CHECK_CLIPED_MV((last_mv[ref_mv_xy+1][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy+1][1]*ref_mv_scale + (1<<15))>>16)
CHECK_CLIPED_MV((last_mv[ref_mv_xy+ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy+ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16)
}
if(s->avctx->dia_size<2)
if(s->avctx->dia_size==-1)
dmin= RENAME(funny_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 if(s->avctx->dia_size<-1)
dmin= RENAME(sab_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 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);
@ -728,6 +978,7 @@ static int RENAME(epzs_motion_search4)(MpegEncContext * s, int block,
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];

6
libavcodec/mpegvideo.h
View File

@ -150,8 +150,8 @@ typedef struct MotionEstContext{
int (*motion_search[7])(struct 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 xmin, int ymin, int xmax, int ymax, Picture *ref_picture, int16_t (*last_mv)[2],
int ref_mv_scale, uint16_t * const mv_penalty);
}MotionEstContext;
typedef struct MpegEncContext {
@ -369,7 +369,7 @@ typedef struct MpegEncContext {
int resync_mb_x; /* x position of last resync marker */
int resync_mb_y; /* y position of last resync marker */
GetBitContext last_resync_gb; /* used to serach for the next resync marker */
GetBitContext last_resync_gb; /* used to search for the next resync marker */
int mb_num_left; /* number of MBs left in this video packet (for partitioned Slices only)*/
int next_p_frame_damaged; /* set if the next p frame is damaged, to avoid showing trashed b frames */
int error_resilience;

4
tests/ffmpeg.regression.ref
View File

@ -15,8 +15,8 @@ a11e0b741fa3c7fc491fb58ab8f7ca8d *./data/a-h263p.avi
3ede54eadc97f43b4ab260faeb5e8674 *./data/out.yuv
5811f89254bc1f59528247f3daf11c1f *./data/a-mpeg4-rc.avi
d34057ff0806320c8be54fe34210c937 *./data/out.yuv
5fa5a878e036d459edd08d873af6a03e *./data/a-mpeg4-adv.avi
59d969f054ed466da9bc9b4c211620fb *./data/out.yuv
d0c2e8f437f0a08470764e1f12dd1ec6 *./data/a-mpeg4-adv.avi
1a2795985b820b4ed5064abf4187fd9a *./data/out.yuv
2846c8e3d97d7395eb746bfce44e0443 *./data/a-mjpeg.avi
278033451d7a6bfeb8339abbe4228499 *./data/out.yuv
b5f5efce96150d5cc8f5af8024ae3688 *./data/a-rv10.rm