Commit 75e513f1 authored by Jingning Han's avatar Jingning Han
Browse files

Set spatial neighbor search resolution 16x16 for block size 64x64

When the block has width/height above or equal to 64, use 16x16
block search step for reference motion vector search in the non-
immediate rows and columns.

Change-Id: If11ce97a9328b879f30ef87115086aa0cd985a2f
parent 883c63ca
......@@ -161,21 +161,25 @@ static uint8_t scan_row_mbmi(const AV1_COMMON *cm, const MACROBLOCKD *xd,
for (i = 0; i < xd->n8_w && *refmv_count < MAX_REF_MV_STACK_SIZE;) {
POSITION mi_pos;
const int use_step_16 = (xd->n8_w >= 8);
mi_pos.row = row_offset;
mi_pos.col = i;
if (is_inside(tile, mi_col, mi_row, &mi_pos)) {
const MODE_INFO *const candidate_mi =
xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col];
const MB_MODE_INFO *const candidate = &candidate_mi->mbmi;
const int len =
int len =
AOMMIN(xd->n8_w, num_8x8_blocks_wide_lookup[candidate->sb_type]);
if (use_step_16) len = AOMMAX(2, len);
newmv_count += add_ref_mv_candidate(
candidate_mi, candidate, rf, refmv_count, ref_mv_stack,
cm->allow_high_precision_mv, len, block, mi_pos.col);
i += len;
} else {
if (use_step_16)
i += 2;
else
++i;
}
}
......@@ -193,21 +197,25 @@ static uint8_t scan_col_mbmi(const AV1_COMMON *cm, const MACROBLOCKD *xd,
for (i = 0; i < xd->n8_h && *refmv_count < MAX_REF_MV_STACK_SIZE;) {
POSITION mi_pos;
const int use_step_16 = (xd->n8_h >= 8);
mi_pos.row = i;
mi_pos.col = col_offset;
if (is_inside(tile, mi_col, mi_row, &mi_pos)) {
const MODE_INFO *const candidate_mi =
xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col];
const MB_MODE_INFO *const candidate = &candidate_mi->mbmi;
const int len =
int len =
AOMMIN(xd->n8_h, num_8x8_blocks_high_lookup[candidate->sb_type]);
if (use_step_16) len = AOMMAX(2, len);
newmv_count += add_ref_mv_candidate(
candidate_mi, candidate, rf, refmv_count, ref_mv_stack,
cm->allow_high_precision_mv, len, block, mi_pos.col);
i += len;
} else {
if (use_step_16)
i += 2;
else
++i;
}
}
......
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