commit fa329e9745348b4620b919b581b9417045124661
author Peng Bin <binpengsmail@gmail.com> Mon Mar 19 20:51:49 2018 +0800
committer Yaowu Xu <yaowu@google.com> Tue Mar 20 19:37:39 2018 +0000
tree 50ddd195decd2296deea7c41195d63affd12300a
parent 559fd81794736e4558470e4b5fc647b182959781

Remove unnecessary memset in av1_dist_block

The memset was added to silence errors reported in
BUG=aomedia:1363. But can't replay now. Both highbd
case and lowbd case are tested after remove the
memset, no more errors from this pointer.

Removing this memset speedup encoder about 2.7%,
showed by a simple test with default config adn
CONFIG_LOWBITDEPTH=1 encode 20 frames of
foreman_cif.y4m.

Change-Id: Ia4f034f8908f15a652bee5a77e2fd7759ad954b4

av1/encoder/rdopt.c

diff --git a/av1/encoder/rdopt.c b/av1/encoder/rdopt.c
index eff3f09..d158f22 100644
--- a/av1/encoder/rdopt.c
+++ b/av1/encoder/rdopt.c
@@ -1775,7 +1775,7 @@
                                blk_row, blk_col, plane_bsize, tx_bsize);
       } else {
         uint8_t *recon;
-        DECLARE_ALIGNED(16, uint16_t, recon16[MAX_TX_SQUARE]) = { 0 };
+        DECLARE_ALIGNED(16, uint16_t, recon16[MAX_TX_SQUARE]);
 
         if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH)
           recon = CONVERT_TO_BYTEPTR(recon16);