summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorRonald S. Bultje <rsbultje@gmail.com>2015-10-20 15:56:56 +0000
committerGerrit Code Review <noreply-gerritcodereview@google.com>2015-10-20 15:56:56 +0000
commit1a645957804a8d090981d13e99897501409bda8f (patch)
tree459352dd1d60b86580a3646dc2283b49f2b269ba
parent4a7f012b95170875af20a4e33aaa0d733caa8e57 (diff)
parentdea998997f46a3a15e07284452bd1d7407912bb4 (diff)
downloadlibvpx-1a645957804a8d090981d13e99897501409bda8f.tar.gz
Merge "vp10: allow MV refs to point outside visible image."
-rw-r--r--vp10/common/mvref_common.c4
-rw-r--r--vp10/common/mvref_common.h15
2 files changed, 17 insertions, 2 deletions
diff --git a/vp10/common/mvref_common.c b/vp10/common/mvref_common.c
index 9bf701fcc..b2eeaa29e 100644
--- a/vp10/common/mvref_common.c
+++ b/vp10/common/mvref_common.c
@@ -27,6 +27,8 @@ static void find_mv_refs_idx(const VP10_COMMON *cm, const MACROBLOCKD *xd,
const MV_REF *const prev_frame_mvs = cm->use_prev_frame_mvs ?
cm->prev_frame->mvs + mi_row * cm->mi_cols + mi_col : NULL;
const TileInfo *const tile = &xd->tile;
+ const int bw = num_8x8_blocks_wide_lookup[mi->mbmi.sb_type] << 3;
+ const int bh = num_8x8_blocks_high_lookup[mi->mbmi.sb_type] << 3;
// Blank the reference vector list
memset(mv_ref_list, 0, sizeof(*mv_ref_list) * MAX_MV_REF_CANDIDATES);
@@ -145,7 +147,7 @@ static void find_mv_refs_idx(const VP10_COMMON *cm, const MACROBLOCKD *xd,
// Clamp vectors
for (i = 0; i < MAX_MV_REF_CANDIDATES; ++i)
- clamp_mv_ref(&mv_ref_list[i].as_mv, xd);
+ clamp_mv_ref(&mv_ref_list[i].as_mv, bw, bh, xd);
}
void vp10_find_mv_refs(const VP10_COMMON *cm, const MACROBLOCKD *xd,
diff --git a/vp10/common/mvref_common.h b/vp10/common/mvref_common.h
index e92ad52cd..4608df0fe 100644
--- a/vp10/common/mvref_common.h
+++ b/vp10/common/mvref_common.h
@@ -119,13 +119,26 @@ static const int idx_n_column_to_subblock[4][2] = {
};
// clamp_mv_ref
+#if CONFIG_MISC_FIXES
+#define MV_BORDER (8 << 3) // Allow 8 pels in 1/8th pel units
+#else
#define MV_BORDER (16 << 3) // Allow 16 pels in 1/8th pel units
+#endif
-static INLINE void clamp_mv_ref(MV *mv, const MACROBLOCKD *xd) {
+static INLINE void clamp_mv_ref(MV *mv, int bw, int bh, const MACROBLOCKD *xd) {
+#if CONFIG_MISC_FIXES
+ clamp_mv(mv, xd->mb_to_left_edge - bw * 8 - MV_BORDER,
+ xd->mb_to_right_edge + bw * 8 + MV_BORDER,
+ xd->mb_to_top_edge - bh * 8 - MV_BORDER,
+ xd->mb_to_bottom_edge + bh * 8 + MV_BORDER);
+#else
+ (void) bw;
+ (void) bh;
clamp_mv(mv, xd->mb_to_left_edge - MV_BORDER,
xd->mb_to_right_edge + MV_BORDER,
xd->mb_to_top_edge - MV_BORDER,
xd->mb_to_bottom_edge + MV_BORDER);
+#endif
}
// This function returns either the appropriate sub block or block's mv