commit aa1d2f1090d31416001336cbc8d243df6ef9e487
author Jingning Han <jingning@google.com> Wed Dec 06 20:07:27 2017 -0800
committer Jingning Han <jingning@google.com> Thu Dec 07 16:34:22 2017 +0000
tree b7a920d36c60828fa8cd2afa9b2bc337e12a0185
parent 64c97899f4882e6d58a35a7b44f4486f0752983a

Fix tile boundary check in intra prediction

Check the bottom neighbor availability with tile boundary for the
intra prediction condition.

BUG=aomedia:1088

Change-Id: I9baa98f8f18da84f95fd83ceca5556cfe9d9d844

av1/common/reconintra.c

diff --git a/av1/common/reconintra.c b/av1/common/reconintra.c
index 8bd35d5..c81ddbd 100644
--- a/av1/common/reconintra.c
+++ b/av1/common/reconintra.c
@@ -2566,6 +2566,7 @@
   BLOCK_SIZE bsize = mbmi->sb_type;
   const struct macroblockd_plane *const pd = &xd->plane[plane];
   const int txw = tx_size_wide_unit[tx_size];
+  const int txh = tx_size_high_unit[tx_size];
   const int have_top = row_off || (pd->subsampling_y ? xd->chroma_up_available
                                                      : xd->up_available);
   const int have_left =
@@ -2591,7 +2592,10 @@
   const int right_available = mi_col + ((col_off + txw) << pd->subsampling_x >>
                                         (MI_SIZE_LOG2 - tx_size_wide_log2[0])) <
                               xd->tile.mi_col_end;
-  const int bottom_available = (yd > 0);
+  const int bottom_available =
+      (yd > 0) && (mi_row + (((row_off + txh) << pd->subsampling_y) >>
+                             (MI_SIZE_LOG2 - tx_size_high_log2[0])) <
+                   xd->tile.mi_row_end);
 
 #if CONFIG_EXT_PARTITION_TYPES
   const PARTITION_TYPE partition = mbmi->partition;