generic-library/vpx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Merge "Fix a bug in motion search code(2)"

Browse Source
This commit is contained in:
Yunqing Wang 2010-12-15 08:10:34 -08:00 committed by Code Review
commit 4fbd0227f5
2 changed files with 41 additions and 74 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

86
vp8/encoder/mcomp.c
View File

@ -941,18 +941,8 @@ int vp8_diamond_search_sad
unsigned char *check_here;
int thissad;
int search_range = 128>>search_param;
*num00 = 0;
// Trap uncodable vectors
if (((abs(ref_mv->col - center_mv->col) + (search_range<<4)) > MAX_POSSIBLE_MV) || ((abs(ref_mv->row - center_mv->row) + (search_range<<4)) > MAX_POSSIBLE_MV))
{
best_mv->row = ref_row;
best_mv->col = ref_col;
return INT_MAX;
}
// Work out the start point for the search
in_what = (unsigned char *)(*(d->base_pre) + d->pre + (ref_row * (d->pre_stride)) + ref_col);
best_address = in_what;
@ -1067,18 +1057,8 @@ int vp8_diamond_search_sadx4
unsigned char *check_here;
unsigned int thissad;
int search_range = 128>>search_param;
*num00 = 0;
// Trap uncodable vectors
if (((abs(ref_mv->col - center_mv->col) + (search_range<<4)) > MAX_POSSIBLE_MV) || ((abs(ref_mv->row - center_mv->row) + (search_range<<4)) > MAX_POSSIBLE_MV))
{
best_mv->row = ref_row;
best_mv->col = ref_col;
return INT_MAX;
}
// Work out the start point for the search
in_what = (unsigned char *)(*(d->base_pre) + d->pre + (ref_row * (d->pre_stride)) + ref_col);
best_address = in_what;
@ -1214,24 +1194,10 @@ int vp8_full_search_sad(MACROBLOCK *x, BLOCK *b, BLOCKD *d, MV *ref_mv, int erro
int ref_row = ref_mv->row >> 3;
int ref_col = ref_mv->col >> 3;
int row_min, row_max, col_min, col_max;
int drow = abs(ref_mv->row - center_mv->row);
int dcol = abs(ref_mv->col - center_mv->col);
// reduce search distance and make sure MV obtained is in range.
if (((dcol + (distance<<3)) > MAX_POSSIBLE_MV) || (( drow + (distance<<3)) > MAX_POSSIBLE_MV))
{
if(dcol > drow)
distance = (MAX_POSSIBLE_MV - dcol)>>3;
else
distance = (MAX_POSSIBLE_MV - drow)>>3;
}
row_min = ref_row - distance;
row_max = ref_row + distance;
col_min = ref_col - distance;
col_max = ref_col + distance;
int row_min = ref_row - distance;
int row_max = ref_row + distance;
int col_min = ref_col - distance;
int col_max = ref_col + distance;
// Work out the mid point for the search
in_what = *(d->base_pre) + d->pre;
@ -1318,24 +1284,12 @@ int vp8_full_search_sadx3(MACROBLOCK *x, BLOCK *b, BLOCKD *d, MV *ref_mv, int er
int ref_row = ref_mv->row >> 3;
int ref_col = ref_mv->col >> 3;
int row_min, row_max, col_min, col_max;
int row_min = ref_row - distance;
int row_max = ref_row + distance;
int col_min = ref_col - distance;
int col_max = ref_col + distance;
unsigned int sad_array[3];
int drow = abs(ref_mv->row - center_mv->row);
int dcol = abs(ref_mv->col - center_mv->col);
// reduce search distance and make sure MV obtained is in range.
if (((dcol + (distance<<3)) > MAX_POSSIBLE_MV) || (( drow + (distance<<3)) > MAX_POSSIBLE_MV))
{
if(dcol > drow)
distance = (MAX_POSSIBLE_MV - dcol)>>3;
else
distance = (MAX_POSSIBLE_MV - drow)>>3;
}
row_min = ref_row - distance;
row_max = ref_row + distance;
col_min = ref_col - distance;
col_max = ref_col + distance;
// Work out the mid point for the search
in_what = *(d->base_pre) + d->pre;
@ -1455,25 +1409,13 @@ int vp8_full_search_sadx8(MACROBLOCK *x, BLOCK *b, BLOCKD *d, MV *ref_mv, int er
int ref_row = ref_mv->row >> 3;
int ref_col = ref_mv->col >> 3;
int row_min, row_max, col_min, col_max;
int row_min = ref_row - distance;
int row_max = ref_row + distance;
int col_min = ref_col - distance;
int col_max = ref_col + distance;
unsigned short sad_array8[8];
unsigned int sad_array[3];
int drow = abs(ref_mv->row - center_mv->row);
int dcol = abs(ref_mv->col - center_mv->col);
// reduce search distance and make sure MV obtained is in range.
if (((dcol + (distance<<3)) > MAX_POSSIBLE_MV) || (( drow + (distance<<3)) > MAX_POSSIBLE_MV))
{
if(dcol > drow)
distance = (MAX_POSSIBLE_MV - dcol)>>3;
else
distance = (MAX_POSSIBLE_MV - drow)>>3;
}
row_min = ref_row - distance;
row_max = ref_row + distance;
col_min = ref_col - distance;
col_max = ref_col + distance;
// Work out the mid point for the search
in_what = *(d->base_pre) + d->pre;

29
vp8/encoder/rdopt.c
View File

@ -1886,11 +1886,11 @@ int vp8_rd_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset, int
/* adjust mvp to make sure it is within MV range */
if(mvp.row > best_ref_mv.row + MAX_POSSIBLE_MV)
mvp.row = best_ref_mv.row + MAX_POSSIBLE_MV;
if(mvp.row < best_ref_mv.row - MAX_POSSIBLE_MV)
else if(mvp.row < best_ref_mv.row - MAX_POSSIBLE_MV)
mvp.row = best_ref_mv.row - MAX_POSSIBLE_MV;
if(mvp.col > best_ref_mv.col + MAX_POSSIBLE_MV)
mvp.col = best_ref_mv.col + MAX_POSSIBLE_MV;
if(mvp.col < best_ref_mv.col - MAX_POSSIBLE_MV)
else if(mvp.col < best_ref_mv.col - MAX_POSSIBLE_MV)
mvp.col = best_ref_mv.col - MAX_POSSIBLE_MV;
}
@ -2081,6 +2081,26 @@ int vp8_rd_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset, int
int further_steps;
int n;
int col_min = (best_ref_mv.col - MAX_POSSIBLE_MV) >>3;
int col_max = (best_ref_mv.col + MAX_POSSIBLE_MV) >>3;
int row_min = (best_ref_mv.row - MAX_POSSIBLE_MV) >>3;
int row_max = (best_ref_mv.row + MAX_POSSIBLE_MV) >>3;
int tmp_col_min = x->mv_col_min;
int tmp_col_max = x->mv_col_max;
int tmp_row_min = x->mv_row_min;
int tmp_row_max = x->mv_row_max;
// Get intersection of UMV window and valid MV window to reduce # of checks in diamond search.
if (x->mv_col_min < col_min )
x->mv_col_min = col_min;
if (x->mv_col_max > col_max )
x->mv_col_max = col_max;
if (x->mv_row_min < row_min )
x->mv_row_min = row_min;
if (x->mv_row_max > row_max )
x->mv_row_max = row_max;
//adjust search range according to sr from mv prediction
if(sr > step_param)
step_param = sr;
@ -2193,6 +2213,11 @@ int vp8_rd_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset, int
}
}
x->mv_col_min = tmp_col_min;
x->mv_col_max = tmp_col_max;
x->mv_row_min = tmp_row_min;
x->mv_row_max = tmp_row_max;
if (bestsme < INT_MAX)
// cpi->find_fractional_mv_step(x,b,d,&d->bmi.mv.as_mv,&best_ref_mv,x->errorperbit/2,cpi->fn_ptr.svf,cpi->fn_ptr.vf,x->mvcost); // normal mvc=11
cpi->find_fractional_mv_step(x, b, d, &d->bmi.mv.as_mv, &best_ref_mv, x->errorperbit / 4, &cpi->fn_ptr[BLOCK_16X16], x->mvcost);