commit bd57abe0c3197c7b51ad28a94866e995f2dd6492
author hui su <huisu@google.com> Mon Jul 24 18:14:03 2017 -0700
committer Hui Su <huisu@google.com> Thu Aug 03 22:49:42 2017 +0000
tree 74698a43c66a4876414948e21e771afe59e8dbc7
parent 897dd193c5dc853fcd0f65e2e4a8bc9abb5ca8fd

Calculate coeff token cost before encoding each SB

Compression gain:
AWCY
PSNR	PSNR HVS	SSIM	CIEDE 2000
-0.42	-0.15   	-0.38	-0.62

Google testsets
lowres -0.18%
midres -0.32%

No obvious encoding speed changes observed.

Change-Id: I888cf4b22b591d79d80b2d77c9eb10d84e5de722

av1/encoder/encodeframe.c

diff --git a/av1/encoder/encodeframe.c b/av1/encoder/encodeframe.c
index b6a2637..3f0cd23 100644
--- a/av1/encoder/encodeframe.c
+++ b/av1/encoder/encodeframe.c
@@ -4531,6 +4531,11 @@
     MODE_INFO **mi = cm->mi_grid_visible + idx_str;
     PC_TREE *const pc_root = td->pc_root[cm->mib_size_log2 - MIN_MIB_SIZE_LOG2];
 
+    av1_fill_token_costs_from_cdf(x->token_head_costs,
+                                  x->e_mbd.tile_ctx->coef_head_cdfs);
+    av1_fill_token_costs_from_cdf(x->token_tail_costs,
+                                  x->e_mbd.tile_ctx->coef_tail_cdfs);
+
     if (sf->adaptive_pred_interp_filter) {
       for (i = 0; i < leaf_nodes; ++i)
         td->leaf_tree[i].pred_interp_filter = SWITCHABLE;