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| author | Yaowu Xu <yaowu@google.com> | 2012-10-15 14:30:15 -0700 |
|---|---|---|
| committer | Yaowu Xu <yaowu@google.com> | 2012-10-15 14:51:14 -0700 |
| commit | b2f4257c391d5112eb14381d32161f7fb287a237 (patch) | |
| tree | 4ec18233d213a245b207c9a2dae0a99bfc661bdb | |
| parent | f9d5f86643244d8f1f9f64187098baa1a08b6d18 (diff) | |
| download | libvpx-b2f4257c391d5112eb14381d32161f7fb287a237.tar libvpx-b2f4257c391d5112eb14381d32161f7fb287a237.tar.gz libvpx-b2f4257c391d5112eb14381d32161f7fb287a237.tar.bz2 libvpx-b2f4257c391d5112eb14381d32161f7fb287a237.zip | |
Changed to use real pixels only for evaluating MVs
The commit changed to avoid using pixels from extended border in
in evaluating and select best reference motion vector.
Change-Id: I39b758889373e42ed2889d59744388e5b9c1a20a
| -rw-r--r-- | vp8/common/findnearmv.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/vp8/common/findnearmv.c b/vp8/common/findnearmv.c index 235ca46ce..285aabdb6 100644 --- a/vp8/common/findnearmv.c +++ b/vp8/common/findnearmv.c @@ -217,7 +217,7 @@ void vp8_find_best_ref_mvs(MACROBLOCKD *xd, unsigned char *above_ref; unsigned char *left_ref; int sad; - int sad_scores[MAX_MV_REFS]; + int sad_scores[MAX_MV_REFS] = {0}; int_mv sorted_mvs[MAX_MV_REFS]; int zero_seen = FALSE; @@ -259,12 +259,13 @@ void vp8_find_best_ref_mvs(MACROBLOCKD *xd, ((this_mv.as_mv.col + 3) >> 3):((this_mv.as_mv.col + 4) >> 3); offset = ref_y_stride * row_offset + col_offset; - sad = vp8_sad16x3_c(above_src, xd->dst.y_stride, - above_ref + offset, ref_y_stride, INT_MAX); - - sad += vp8_sad3x16_c(left_src, xd->dst.y_stride, - left_ref + offset, ref_y_stride, INT_MAX); - + sad = 0; + if (xd->up_available) + sad += vp8_sad16x3_c(above_src, xd->dst.y_stride, + above_ref + offset, ref_y_stride, INT_MAX); + if (xd->left_available) + sad += vp8_sad3x16_c(left_src, xd->dst.y_stride, + left_ref + offset, ref_y_stride, INT_MAX); // Add the entry to our list and then resort the list on score. sad_scores[i] = sad; sorted_mvs[i].as_int = this_mv.as_int; |