From 302e24cb3ee617c3f238001392a8bf73e447a7a2 Mon Sep 17 00:00:00 2001
From: hui su <huisu@google.com>
Date: Tue, 31 Mar 2015 09:20:46 -0700
Subject: [PATCH] Move vp9_coef_con_tree to common/

This tree should be defined in common/, as it is needed for
both encoder and decoder.

Change-Id: I4f5cbc80025cf2ced14182c98f7c82dc7d0f87db
---
 vp9/common/vp9_entropy.c     | 12 ++++++++++++
 vp9/common/vp9_entropy.h     |  1 +
 vp9/decoder/vp9_detokenize.c | 13 +------------
 vp9/encoder/vp9_tokenize.c   | 12 ------------
 4 files changed, 14 insertions(+), 24 deletions(-)

diff --git a/vp9/common/vp9_entropy.c b/vp9/common/vp9_entropy.c
index 77a8709f0..7cdfaec57 100644
--- a/vp9/common/vp9_entropy.c
+++ b/vp9/common/vp9_entropy.c
@@ -15,6 +15,18 @@
 #include "vpx_mem/vpx_mem.h"
 #include "vpx/vpx_integer.h"
 
+// Unconstrained Node Tree
+const vp9_tree_index vp9_coef_con_tree[TREE_SIZE(ENTROPY_TOKENS)] = {
+  2, 6,                                // 0 = LOW_VAL
+  -TWO_TOKEN, 4,                       // 1 = TWO
+  -THREE_TOKEN, -FOUR_TOKEN,           // 2 = THREE
+  8, 10,                               // 3 = HIGH_LOW
+  -CATEGORY1_TOKEN, -CATEGORY2_TOKEN,  // 4 = CAT_ONE
+  12, 14,                              // 5 = CAT_THREEFOUR
+  -CATEGORY3_TOKEN, -CATEGORY4_TOKEN,  // 6 = CAT_THREE
+  -CATEGORY5_TOKEN, -CATEGORY6_TOKEN   // 7 = CAT_FIVE
+};
+
 const vp9_prob vp9_cat1_prob[] = { 159 };
 const vp9_prob vp9_cat2_prob[] = { 165, 145 };
 const vp9_prob vp9_cat3_prob[] = { 173, 148, 140 };
diff --git a/vp9/common/vp9_entropy.h b/vp9/common/vp9_entropy.h
index 4eb2e6413..eee096f17 100644
--- a/vp9/common/vp9_entropy.h
+++ b/vp9/common/vp9_entropy.h
@@ -173,6 +173,7 @@ static INLINE const uint8_t *get_band_translate(TX_SIZE tx_size) {
 #define PIVOT_NODE                  2   // which node is pivot
 
 #define MODEL_NODES (ENTROPY_NODES - UNCONSTRAINED_NODES)
+extern const vp9_tree_index vp9_coef_con_tree[TREE_SIZE(ENTROPY_TOKENS)];
 extern const vp9_prob vp9_pareto8_full[COEFF_PROB_MODELS][MODEL_NODES];
 
 typedef vp9_prob vp9_coeff_probs_model[REF_TYPES][COEF_BANDS]
diff --git a/vp9/decoder/vp9_detokenize.c b/vp9/decoder/vp9_detokenize.c
index 35690b89b..fd4087583 100644
--- a/vp9/decoder/vp9_detokenize.c
+++ b/vp9/decoder/vp9_detokenize.c
@@ -45,17 +45,6 @@ static INLINE int read_coeff(const vp9_prob *probs, int n, vp9_reader *r) {
   return val;
 }
 
-static const vp9_tree_index coeff_subtree_high[TREE_SIZE(ENTROPY_TOKENS)] = {
-  2, 6,                                         /* 0 = LOW_VAL */
-  -TWO_TOKEN, 4,                                /* 1 = TWO */
-  -THREE_TOKEN, -FOUR_TOKEN,                    /* 2 = THREE */
-  8, 10,                                        /* 3 = HIGH_LOW */
-  -CATEGORY1_TOKEN, -CATEGORY2_TOKEN,           /* 4 = CAT_ONE */
-  12, 14,                                       /* 5 = CAT_THREEFOUR */
-  -CATEGORY3_TOKEN, -CATEGORY4_TOKEN,           /* 6 = CAT_THREE */
-  -CATEGORY5_TOKEN, -CATEGORY6_TOKEN            /* 7 = CAT_FIVE */
-};
-
 static int decode_coefs(VP9_COMMON *cm, const MACROBLOCKD *xd,
                         FRAME_COUNTS *counts, PLANE_TYPE type,
                         tran_low_t *dqcoeff, TX_SIZE tx_size, const int16_t *dq,
@@ -147,7 +136,7 @@ static int decode_coefs(VP9_COMMON *cm, const MACROBLOCKD *xd,
       val = 1;
     } else {
       INCREMENT_COUNT(TWO_TOKEN);
-      token = vp9_read_tree(r, coeff_subtree_high,
+      token = vp9_read_tree(r, vp9_coef_con_tree,
                             vp9_pareto8_full[prob[PIVOT_NODE] - 1]);
       switch (token) {
         case TWO_TOKEN:
diff --git a/vp9/encoder/vp9_tokenize.c b/vp9/encoder/vp9_tokenize.c
index 4c8995356..799109b51 100644
--- a/vp9/encoder/vp9_tokenize.c
+++ b/vp9/encoder/vp9_tokenize.c
@@ -65,18 +65,6 @@ const vp9_tree_index vp9_coef_tree[TREE_SIZE(ENTROPY_TOKENS)] = {
   -CATEGORY5_TOKEN, -CATEGORY6_TOKEN   // 10 = CAT_FIVE
 };
 
-// Unconstrained Node Tree
-const vp9_tree_index vp9_coef_con_tree[TREE_SIZE(ENTROPY_TOKENS)] = {
-  2, 6,                                // 0 = LOW_VAL
-  -TWO_TOKEN, 4,                       // 1 = TWO
-  -THREE_TOKEN, -FOUR_TOKEN,           // 2 = THREE
-  8, 10,                               // 3 = HIGH_LOW
-  -CATEGORY1_TOKEN, -CATEGORY2_TOKEN,  // 4 = CAT_ONE
-  12, 14,                              // 5 = CAT_THREEFOUR
-  -CATEGORY3_TOKEN, -CATEGORY4_TOKEN,  // 6 = CAT_THREE
-  -CATEGORY5_TOKEN, -CATEGORY6_TOKEN   // 7 = CAT_FIVE
-};
-
 static const vp9_tree_index cat1[2] = {0, 0};
 static const vp9_tree_index cat2[4] = {2, 2, 0, 0};
 static const vp9_tree_index cat3[6] = {2, 2, 4, 4, 0, 0};