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

Merge "changed mv candidate search for superblocks" into experimental

Browse Source
This commit is contained in:
Yaowu Xu 2012-11-16 07:21:55 -08:00 committed by Gerrit Code Review
commit 170305dcd3
1 changed files with 28 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
vp9/common/mvref_common.c
View File

@ -11,11 +11,20 @@
#include "mvref_common.h"
#define MVREF_NEIGHBOURS 8
static int mv_ref_search[MVREF_NEIGHBOURS][2] =
{ {0,-1},{-1,0},{-1,-1},{0,-2},{-2,0},{-1,-2},{-2,-1},{-2,-2} };
static int ref_distance_weight[MVREF_NEIGHBOURS] =
{ 3,3,2,1,1,1,1,1 };
static int mb_mv_ref_search[MVREF_NEIGHBOURS][2] = {
{0, -1}, {-1, 0}, {-1, -1}, {0, -2},
{-2, 0}, {-1, -2}, {-2, -1}, {-2, -2}
};
static int mb_ref_distance_weight[MVREF_NEIGHBOURS] =
{ 3, 3, 2, 1, 1, 1, 1, 1 };
#if CONFIG_SUPERBLOCKS
static int sb_mv_ref_search[MVREF_NEIGHBOURS][2] = {
{0, -1}, {-1, 0}, {1, -1}, {-1, 1},
{-1, -1}, {0, -2}, {-2, 0}, {-1, -2}
};
static int sb_ref_distance_weight[MVREF_NEIGHBOURS] =
{ 3, 3, 2, 2, 2, 1, 1, 1 };
#endif
// clamp_mv
#define MV_BORDER (16 << 3) // Allow 16 pels in 1/8th pel units
static void clamp_mv(const MACROBLOCKD *xd, int_mv *mv) {
@ -224,12 +233,26 @@ void vp9_find_mv_refs(
int index = 0;
int ref_weight = 0;
int valid_mv_ref;
int (*mv_ref_search)[2];
int *ref_distance_weight;
// Blank the reference vector lists and other local structures.
vpx_memset(mv_ref_list, 0, sizeof(int_mv) * MAX_MV_REFS);
vpx_memset(candidate_mvs, 0, sizeof(int_mv) * MAX_MV_REFS);
vpx_memset(candidate_scores, 0, sizeof(candidate_scores));
#if CONFIG_SUPERBLOCKS
if (mbmi->encoded_as_sb) {
mv_ref_search = sb_mv_ref_search;
ref_distance_weight = sb_ref_distance_weight;
} else {
mv_ref_search = mb_mv_ref_search;
ref_distance_weight = mb_ref_distance_weight;
}
#else
mv_ref_search = mb_mv_ref_search;
ref_distance_weight = mb_ref_distance_weight;
#endif
// Populate a list with candidate reference vectors from the
// spatial neighbours.
for (i = 0; i < 2; ++i) {