Use more restrictive block radius for 8x8 block MV references.
Change-Id: If02e006aa8a89da9de23da92362bd2e7718ea07c
diff --git a/vp9/common/vp9_mvref_common.c b/vp9/common/vp9_mvref_common.c
index b6ccb8b..7a7ebe6 100644
--- a/vp9/common/vp9_mvref_common.c
+++ b/vp9/common/vp9_mvref_common.c
@@ -13,6 +13,11 @@
#define MVREF_NEIGHBOURS 8
#if CONFIG_SB8X8
+static int b_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_mv_ref_search[MVREF_NEIGHBOURS][2] = {
{0, -1}, {-1, 0}, {-1, -1}, {0, -3},
{-3, 0}, {-1, -3}, {-3, -1}, {-3, -3}
@@ -185,8 +190,15 @@
mv_ref_search = sb64_mv_ref_search;
} else if (mbmi->sb_type >= BLOCK_SIZE_SB32X32) {
mv_ref_search = sb_mv_ref_search;
+#if CONFIG_SB8X8
+ } else if (mbmi->sb_type >= BLOCK_SIZE_MB16X16) {
+ mv_ref_search = mb_mv_ref_search;
+ } else {
+ mv_ref_search = b_mv_ref_search;
+#else
} else {
mv_ref_search = mb_mv_ref_search;
+#endif
}
// We first scan for candidate vectors that match the current reference frame