commit 19b5c8fa887bacd26e22a4ee4061e6a3cb62c4dd
author Jingning Han <jingning@google.com> Thu Jul 06 15:10:12 2017 -0700
committer Jingning Han <jingning@google.com> Wed Jul 19 05:24:31 2017 +0000
tree 2a1eec4c55642d99684a769c29b1efc683725891
parent a5378e73bff776e6fd7053617b2ce4d96ce37a12

Rework txk_type indexing system for chroma component

Use the row and column indexes to fetch txk_type, which allows the
chroma components to derive the tx type from the corresponding luma
components. It improves the coding performance of txk-sel by 0.18%.

Change-Id: I3f4bca5839e13ae95e51053e76cd86fe58202ac9

av1/common/idct.c

diff --git a/av1/common/idct.c b/av1/common/idct.c
index 38de47b..0c6ee3a 100644
--- a/av1/common/idct.c
+++ b/av1/common/idct.c
@@ -2125,7 +2125,8 @@
   tran_low_t *dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);
   const PLANE_TYPE plane_type = get_plane_type(plane);
   const TX_SIZE tx_size = av1_get_tx_size(plane, xd);
-  const TX_TYPE tx_type = av1_get_tx_type(plane_type, xd, block, tx_size);
+  const TX_TYPE tx_type =
+      av1_get_tx_type(plane_type, xd, blk_row, blk_col, block, tx_size);
   const int dst_stride = pd->dst.stride;
   uint8_t *dst =
       &pd->dst.buf[(blk_row * dst_stride + blk_col) << tx_size_wide_log2[0]];