commit de1a5dba9ed854f22deea63285f8da74eb5ca5e8
author Hui Su <huisu@google.com> Thu Feb 22 15:44:49 2018 -0800
committer Hui Su <huisu@google.com> Fri Feb 23 19:01:13 2018 +0000
tree f592c2c3d0af0c66724e885ec944fca1a660dbfc
parent 2f347ed562dcc654ae859440c7b19df07a185655

Reduce memory usage of txk_type[]

Reduce the array size from 1024 to 64.

On a cif video, encoder memory usage drops from 368 to 311 MB;
decoder memory usage drops from 17.6 to 9.1 MB.

Tested 30 frames on lowres, compression stats remain identical.

Change-Id: I3b95bc8d3e57e1074751d81531bb9f79b195506e

av1/encoder/block.h

diff --git a/av1/encoder/block.h b/av1/encoder/block.h
index 7579213..49509b7 100644
--- a/av1/encoder/block.h
+++ b/av1/encoder/block.h
@@ -108,7 +108,7 @@
   TX_SIZE inter_tx_size[INTER_TX_SIZE_BUF_LEN];
   uint8_t blk_skip[MAX_MIB_SIZE * MAX_MIB_SIZE * 8];
 #if CONFIG_TXK_SEL
-  TX_TYPE txk_type[MAX_SB_SQUARE / (TX_SIZE_W_MIN * TX_SIZE_H_MIN)];
+  TX_TYPE txk_type[TXK_TYPE_BUF_LEN];
 #endif  // CONFIG_TXK_SEL
   RD_STATS rd_stats;
   uint32_t hash_value;