diff options
| author | Yunqing Wang <yunqingwang@google.com> | 2014-03-21 12:23:47 -0700 |
|---|---|---|
| committer | Yunqing Wang <yunqingwang@google.com> | 2014-03-21 12:23:47 -0700 |
| commit | 9b5df3fabe6466594183a644473519162f16dc77 (patch) | |
| tree | 3e95a235e20c49211e4713bd1c3f8f123d3884cd | |
| parent | d070aa5de0c06827f68e2f1211138450f22292f0 (diff) | |
| download | libvpx-9b5df3fabe6466594183a644473519162f16dc77.tar libvpx-9b5df3fabe6466594183a644473519162f16dc77.tar.gz libvpx-9b5df3fabe6466594183a644473519162f16dc77.tar.bz2 libvpx-9b5df3fabe6466594183a644473519162f16dc77.zip | |
Fix libvpx VP9 decoder dr memory errors
Fixed dr memory errors reported in Issue 736:
https://code.google.com/p/webm/issues/detail?id=736
All elements in left_col buffer need to be initialized to ensure
the correctness of SIMD operations in x86 optimized code.
Change-Id: I8e7f26ab45cca8099c1f9342bcf852f828bda7e4
| -rw-r--r-- | vp9/common/vp9_reconintra.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/vp9/common/vp9_reconintra.c b/vp9/common/vp9_reconintra.c index 915c1c155..44951b54d 100644 --- a/vp9/common/vp9_reconintra.c +++ b/vp9/common/vp9_reconintra.c @@ -347,6 +347,8 @@ static void build_intra_predictors(const MACROBLOCKD *xd, const uint8_t *ref, x0 = (-xd->mb_to_left_edge >> (3 + pd->subsampling_x)) + x; y0 = (-xd->mb_to_top_edge >> (3 + pd->subsampling_y)) + y; + vpx_memset(left_col, 129, 64); + // left if (left_available) { if (xd->mb_to_bottom_edge < 0) { @@ -366,8 +368,6 @@ static void build_intra_predictors(const MACROBLOCKD *xd, const uint8_t *ref, for (i = 0; i < bs; ++i) left_col[i] = ref[i * ref_stride - 1]; } - } else { - vpx_memset(left_col, 129, bs); } // TODO(hkuang) do not extend 2*bs pixels for all modes. |