libvpx: Pull from upstream

source/libvpx/vp9/encoder/vp9_tokenize.h

 /*
  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #ifndef VP9_ENCODER_VP9_TOKENIZE_H_
 #define VP9_ENCODER_VP9_TOKENIZE_H_
 
 #include "vp9/common/vp9_entropy.h"
 
 #include "vp9/encoder/vp9_block.h"
 #include "vp9/encoder/vp9_treewriter.h"
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-void vp9_tokenize_initialize();
+#define EOSB_TOKEN 127     // Not signalled, encoder only
 
-#define EOSB_TOKEN 127     // Not signalled, encoder only
+#if CONFIG_VP9_HIGHBITDEPTH
+  typedef int32_t EXTRABIT;
+#else
+  typedef int16_t EXTRABIT;
+#endif
+
 
 typedef struct {
   int16_t token;
-#if CONFIG_VP9_HIGHBITDEPTH
-  int32_t extra;
-#else
-  int16_t extra;
-#endif
+  EXTRABIT extra;
 } TOKENVALUE;
 
 typedef struct {
   const vp9_prob *context_tree;
-#if CONFIG_VP9_HIGHBITDEPTH
-  int32_t extra;
-#else
-  int16_t         extra;
-#endif
-  uint8_t         token;
-  uint8_t         skip_eob_node;
+  EXTRABIT extra;
+  uint8_t token;
+  uint8_t skip_eob_node;
 } TOKENEXTRA;
 
 extern const vp9_tree_index vp9_coef_tree[];
 extern const vp9_tree_index vp9_coef_con_tree[];
-extern struct vp9_token vp9_coef_encodings[];
+extern const struct vp9_token vp9_coef_encodings[];
 
 int vp9_is_skippable_in_plane(MACROBLOCK *x, BLOCK_SIZE bsize, int plane);
 int vp9_has_high_freq_in_plane(MACROBLOCK *x, BLOCK_SIZE bsize, int plane);
 
 struct VP9_COMP;
 struct ThreadData;
 
 void vp9_tokenize_sb(struct VP9_COMP *cpi, struct ThreadData *td,
                      TOKENEXTRA **t, int dry_run, BLOCK_SIZE bsize);
 
 extern const int16_t *vp9_dct_value_cost_ptr;
 /* TODO: The Token field should be broken out into a separate char array to
  *  improve cache locality, since it's needed for costing when the rest of the
  *  fields are not.
  */
 extern const TOKENVALUE *vp9_dct_value_tokens_ptr;
+extern const TOKENVALUE *vp9_dct_cat_lt_10_value_tokens;
+extern const int16_t vp9_cat6_low_cost[256];
+extern const int16_t vp9_cat6_high_cost[128];
+extern const int16_t vp9_cat6_high10_high_cost[512];
+extern const int16_t vp9_cat6_high12_high_cost[2048];
+static INLINE int16_t vp9_get_cost(int16_t token, EXTRABIT extrabits,
+                                   const int16_t *cat6_high_table) {
+  if (token != CATEGORY6_TOKEN)
+    return vp9_extra_bits[token].cost[extrabits];
+  return vp9_cat6_low_cost[extrabits & 0xff]
+      + cat6_high_table[extrabits >> 8];
+}
+
 #if CONFIG_VP9_HIGHBITDEPTH
-extern const int16_t *vp9_dct_value_cost_high10_ptr;
-extern const TOKENVALUE *vp9_dct_value_tokens_high10_ptr;
-extern const int16_t *vp9_dct_value_cost_high12_ptr;
-extern const TOKENVALUE *vp9_dct_value_tokens_high12_ptr;
+static INLINE const int16_t* vp9_get_high_cost_table(int bit_depth) {
+  return bit_depth == 8 ? vp9_cat6_high_cost
+      : (bit_depth == 10 ? vp9_cat6_high10_high_cost :
+         vp9_cat6_high12_high_cost);
+}
+#else
+static INLINE const int16_t* vp9_get_high_cost_table(int bit_depth) {
+  (void) bit_depth;
+  return vp9_cat6_high_cost;
+}
 #endif  // CONFIG_VP9_HIGHBITDEPTH
 
+static INLINE void vp9_get_token_extra(int v, int16_t *token, EXTRABIT *extra) {
+  if (v >= CAT6_MIN_VAL || v <= -CAT6_MIN_VAL) {
+    *token = CATEGORY6_TOKEN;
+    if (v >= CAT6_MIN_VAL)
+      *extra = 2 * v - 2 * CAT6_MIN_VAL;
+    else
+      *extra = -2 * v - 2 * CAT6_MIN_VAL + 1;
+    return;
+  }
+  *token = vp9_dct_cat_lt_10_value_tokens[v].token;
+  *extra = vp9_dct_cat_lt_10_value_tokens[v].extra;
+}
+static INLINE int16_t vp9_get_token(int v) {
+  if (v >= CAT6_MIN_VAL || v <= -CAT6_MIN_VAL)
+    return 10;
+  return vp9_dct_cat_lt_10_value_tokens[v].token;
+}
+
+
 #ifdef __cplusplus
 }  // extern "C"
 #endif
 
 #endif  // VP9_ENCODER_VP9_TOKENIZE_H_