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Merge "Clamp inferred motion vectors only" into experimental

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Jingning Han 2013-04-09 09:24:08 -07:00 committed by Gerrit Code Review
commit b3935e8348
4 changed files with 23 additions and 16 deletions
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15
vp9/common/vp9_findnearmv.h
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@ -17,8 +17,8 @@
#include "vp9/common/vp9_treecoder.h"
#include "vp9/common/vp9_onyxc_int.h"
#define LEFT_TOP_MARGIN (16 << 3)
#define RIGHT_BOTTOM_MARGIN (16 << 3)
#define LEFT_TOP_MARGIN ((VP9BORDERINPIXELS - VP9_INTERP_EXTEND) << 3)
#define RIGHT_BOTTOM_MARGIN ((VP9BORDERINPIXELS - VP9_INTERP_EXTEND) << 3)
/* check a list of motion vectors by sad score using a number rows of pixels
* above and a number cols of pixels in the left to select the one with best
@ -43,7 +43,7 @@ static void mv_bias(int refmb_ref_frame_sign_bias, int refframe,
mvp->as_mv = xmv;
}
// TODO(jingning): this mv clamping function should be block size dependent.
static void clamp_mv(int_mv *mv,
int mb_to_left_edge,
int mb_to_right_edge,
@ -59,12 +59,19 @@ static void clamp_mv(int_mv *mv,
mb_to_bottom_edge : mv->as_mv.row;
}
static void clamp_mv2(int_mv *mv, const MACROBLOCKD *xd) {
static int clamp_mv2(int_mv *mv, const MACROBLOCKD *xd) {
int_mv tmp_mv;
int mv_clampped = 0;
tmp_mv.as_int = mv->as_int;
clamp_mv(mv,
xd->mb_to_left_edge - LEFT_TOP_MARGIN,
xd->mb_to_right_edge + RIGHT_BOTTOM_MARGIN,
xd->mb_to_top_edge - LEFT_TOP_MARGIN,
xd->mb_to_bottom_edge + RIGHT_BOTTOM_MARGIN);
if (tmp_mv.as_int != mv->as_int)
mv_clampped = 1;
return mv_clampped;
}
static unsigned int check_mv_bounds(int_mv *mv,

15
vp9/decoder/vp9_decodemv.c
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@ -1026,11 +1026,6 @@ static void read_mb_modes_mv(VP9D_COMP *pbi, MODE_INFO *mi, MB_MODE_INFO *mbmi,
case NEWMV:
process_mv(bc, &mv->as_mv, &best_mv.as_mv, nmvc, &cm->fc.NMVcount,
xd->allow_high_precision_mv);
// Don't need to check this on NEARMV and NEARESTMV modes
// since those modes clamp the MV. The NEWMV mode does not,
// so signal to the prediction stage whether special
// handling may be required.
mbmi->need_to_clamp_mvs = check_mv_bounds(mv,
mb_to_left_edge,
mb_to_right_edge,
@ -1040,11 +1035,11 @@ static void read_mb_modes_mv(VP9D_COMP *pbi, MODE_INFO *mi, MB_MODE_INFO *mbmi,
if (mbmi->second_ref_frame > 0) {
process_mv(bc, &mbmi->mv[1].as_mv, &best_mv_second.as_mv, nmvc,
&cm->fc.NMVcount, xd->allow_high_precision_mv);
mbmi->need_to_clamp_secondmv |= check_mv_bounds(&mbmi->mv[1],
mb_to_left_edge,
mb_to_right_edge,
mb_to_top_edge,
mb_to_bottom_edge);
mbmi->need_to_clamp_secondmv = check_mv_bounds(&mbmi->mv[1],
mb_to_left_edge,
mb_to_right_edge,
mb_to_top_edge,
mb_to_bottom_edge);
}
break;
default:

6
vp9/encoder/vp9_rdopt.c
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@ -3706,7 +3706,11 @@ static int64_t handle_inter_mode(VP9_COMP *cpi, MACROBLOCK *x,
for (i = 0; i < num_refs; ++i) {
cur_mv[i] = frame_mv[this_mode][refs[i]];
// Clip "next_nearest" so that it does not extend to far out of image
clamp_mv2(&cur_mv[i], xd);
if (this_mode == NEWMV)
assert(!clamp_mv2(&cur_mv[i], xd));
else
clamp_mv2(&cur_mv[i], xd);
if (mv_check_bounds(x, &cur_mv[i]))
return INT64_MAX;
mbmi->mv[i].as_int = cur_mv[i].as_int;

3
vpxenc.c
View File

@ -1481,7 +1481,7 @@ static void show_rate_histogram(struct rate_hist *hist,
#define mmin(a, b) ((a) < (b) ? (a) : (b))
static void find_mismatch(vpx_image_t *img1, vpx_image_t *img2,
int yloc[2], int uloc[2], int vloc[2]) {
int yloc[4], int uloc[4], int vloc[4]) {
const unsigned int bsize = 64;
const unsigned int bsize2 = bsize >> 1;
unsigned int match = 1;
@ -1510,6 +1510,7 @@ static void find_mismatch(vpx_image_t *img1, vpx_image_t *img2,
}
}
}
uloc[0] = uloc[1] = uloc[2] = uloc[3] = -1;
for (i = 0, match = 1; match && i < (img1->d_h + 1) / 2; i += bsize2) {
for (j = 0; j < match && (img1->d_w + 1) / 2; j += bsize2) {