ref: e388251d5d3739ed5d5154c7fd108a9a1403c578
parent: 3d655805f24dbdfbd641e82ccb2d9939850f5e6e
author: Yaowu Xu <[email protected]>
date: Thu Apr 25 13:52:09 EDT 2013
Enabled i4x4 to use right above pixels Change-Id: I7442b4600b6812bed13e655ccf68f9ea56cc83a2
--- a/vp9/common/vp9_reconintra.c
+++ b/vp9/common/vp9_reconintra.c
@@ -236,7 +236,10 @@
if (up_available) {uint8_t *yabove_ptr = src - src_stride;
vpx_memcpy(yabove_row, yabove_ptr, bw);
- vpx_memset(yabove_row + bw, yabove_row[bw -1], bw);
+ if (bw == 4 && right_available)
+ vpx_memcpy(yabove_row + bw, yabove_ptr + bw, bw);
+ else
+ vpx_memset(yabove_row + bw, yabove_row[bw -1], bw);
ytop_left = left_available ? yabove_ptr[-1] : 127;
} else {vpx_memset(yabove_row, 127, bw * 2);
@@ -610,7 +613,7 @@
uint8_t *predictor, int pre_stride) {const int have_top = (block_idx >> 2) || xd->up_available;
const int have_left = (block_idx & 3) || xd->left_available;
- const int have_right = ((block_idx & 3) != 3) || xd->right_available;
+ const int have_right = ((block_idx & 3) != 3);
vp9_build_intra_predictors(predictor, pre_stride,
predictor, pre_stride,
@@ -625,7 +628,7 @@
const int block_idx = block4x4_idx & 3;
const int have_top = (block_idx >> 1) || xd->up_available;
const int have_left = (block_idx & 1) || xd->left_available;
- const int have_right = !(block_idx & 1) || xd->right_available;
+ const int have_right = !(block_idx & 1);
vp9_build_intra_predictors(predictor, pre_stride,
predictor, pre_stride,