Commit 48104f0d authored by Yaowu Xu's avatar Yaowu Xu
Browse files

define a specific neighborhood for SB64 mv search

Change-Id: Ifda91d697c5970c65ce3ec1feac5562124f91782
parent 66eff0aa
......@@ -28,6 +28,18 @@ static int sb_mv_ref_search[MVREF_NEIGHBOURS][2] = {
static int sb_ref_distance_weight[MVREF_NEIGHBOURS] =
{ 3, 3, 2, 2, 2, 1, 1, 1 };
static int sb64_mv_ref_search[MVREF_NEIGHBOURS][2] = {
{0, -1}, {-1, 0}, {1, -1}, {-1, 1},
{2, -1}, {-1, 2}, {3, -1}, {-1,-1}
};
static int sb64_ref_distance_weight[MVREF_NEIGHBOURS] =
{ 1, 1, 1, 1, 1, 1, 1, 1 };
// clamp_mv_ref
#define MV_BORDER (16 << 3) // Allow 16 pels in 1/8th pel units
......@@ -275,7 +287,10 @@ void vp9_find_mv_refs(
vpx_memset(candidate_mvs, 0, sizeof(int_mv) * MAX_MV_REF_CANDIDATES);
vpx_memset(candidate_scores, 0, sizeof(candidate_scores));
if (mbmi->sb_type) {
if (mbmi->sb_type == BLOCK_SIZE_SB64X64) {
mv_ref_search = sb64_mv_ref_search;
ref_distance_weight = sb64_ref_distance_weight;
} else if (mbmi->sb_type == BLOCK_SIZE_SB32X32) {
mv_ref_search = sb_mv_ref_search;
ref_distance_weight = sb_ref_distance_weight;
} else {
......
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