text: /*
   *  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"
  
  void vp9_tokenize_initialize();
  
  typedef struct {
    int16_t token;
    int16_t extra;
  } TOKENVALUE;
  
  typedef struct {
    const vp9_prob *context_tree;
    int16_t         extra;
    uint8_t         token;
    uint8_t         skip_eob_node;
  } TOKENEXTRA;
  
  typedef int64_t vp9_coeff_accum[REF_TYPES][COEF_BANDS][PREV_COEF_CONTEXTS]
                                 [MAX_ENTROPY_TOKENS + 1];
  
  int vp9_sb_is_skippable(MACROBLOCKD *xd, BLOCK_SIZE bsize);
  int vp9_is_skippable_in_plane(MACROBLOCKD *xd, BLOCK_SIZE bsize,
                                int plane);
  struct VP9_COMP;
  
  void vp9_tokenize_sb(struct VP9_COMP *cpi, TOKENEXTRA **t, int dry_run,
                       BLOCK_SIZE bsize);
  
  #ifdef ENTROPY_STATS
  void init_context_counters();
  void print_context_counters();
  
  extern vp9_coeff_accum context_counters[TX_SIZES][BLOCK_TYPES];
  #endif
  
  extern const int *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;
  
  #endif  // VP9_ENCODER_VP9_TOKENIZE_H_
  