Moving vp9_token from common to encoder.

Change-Id: I40a070c353663e82c59e174d7c92eb84f72ed808

vp9/common/vp9_treecoder.c

@@ -14,27 +14,6 @@
 #include "./vpx_config.h"
 #include "vp9/common/vp9_treecoder.h"
 
-static void tree2tok(struct vp9_token *const p, vp9_tree t,
-                    int i, int v, int l) {
-  v += v;
-  ++l;
-
-  do {
-    const vp9_tree_index j = t[i++];
-
-    if (j <= 0) {
-      p[-j].value = v;
-      p[-j].len = l;
-    } else {
-      tree2tok(p, t, j, v, l);
-    }
-  } while (++v & 1);
-}
-
-void vp9_tokens_from_tree(struct vp9_token *p, vp9_tree t) {
-  tree2tok(p, t, 0, 0, 0);
-}
-
 static unsigned int convert_distribution(unsigned int i, vp9_tree tree,
                                          unsigned int branch_ct[][2],
                                          const unsigned int num_events[]) {

vp9/common/vp9_treecoder.h

@@ -34,15 +34,6 @@ typedef int8_t vp9_tree_index;
 
 typedef const vp9_tree_index vp9_tree[];
 
-struct vp9_token {
-  int value;
-  int len;
-};
-
-/* Construct encoding array from tree. */
-
-void vp9_tokens_from_tree(struct vp9_token*, vp9_tree);
-
 /* Convert array of token occurrence counts into a table of probabilities
    for the associated binary encoding tree.  Also writes count of branches
    taken for each node on the tree; this facilitiates decisions as to

vp9/encoder/vp9_tokenize.h

@@ -12,7 +12,9 @@
 #define VP9_ENCODER_VP9_TOKENIZE_H_
 
 #include "vp9/common/vp9_entropy.h"
+
 #include "vp9/encoder/vp9_block.h"
+#include "vp9/encoder/vp9_treewriter.h"
 
 void vp9_tokenize_initialize();
 

vp9/encoder/vp9_treewriter.c

@@ -36,3 +36,24 @@ void vp9_cost_tokens_skip(int *costs, const vp9_prob *probs, vp9_tree tree) {
   costs[-tree[0]] = vp9_cost_bit(probs[0], 0);
   cost(costs, tree, probs, 2, 0);
 }
+
+static void tree2tok(struct vp9_token *tokens, const vp9_tree_index *tree,
+                     int i, int v, int l) {
+  v += v;
+  ++l;
+
+  do {
+    const vp9_tree_index j = tree[i++];
+    if (j <= 0) {
+      tokens[-j].value = v;
+      tokens[-j].len = l;
+    } else {
+      tree2tok(tokens, tree, j, v, l);
+    }
+  } while (++v & 1);
+}
+
+void vp9_tokens_from_tree(struct vp9_token *tokens,
+                          const vp9_tree_index *tree) {
+  tree2tok(tokens, tree, 0, 0, 0);
+}

vp9/encoder/vp9_treewriter.h

@@ -44,6 +44,14 @@ static INLINE void treed_write(vp9_writer *w,
   } while (len);
 }
 
+struct vp9_token {
+  int value;
+  int len;
+};
+
+
+void vp9_tokens_from_tree(struct vp9_token*, const vp9_tree_index *);
+
 static INLINE void write_token(vp9_writer *w, vp9_tree tree,
                                const vp9_prob *probs,
                                const struct vp9_token *token) {