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
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) {
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.