Home | History | Annotate | Download | only in encoder
      1 /*
      2  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 #ifndef VP9_ENCODER_VP9_TOKENIZE_H_
     12 #define VP9_ENCODER_VP9_TOKENIZE_H_
     13 
     14 #include "vp9/common/vp9_entropy.h"
     15 #include "vp9/encoder/vp9_block.h"
     16 
     17 void vp9_tokenize_initialize();
     18 
     19 typedef struct {
     20   int16_t token;
     21   int16_t extra;
     22 } TOKENVALUE;
     23 
     24 typedef struct {
     25   const vp9_prob *context_tree;
     26   int16_t         extra;
     27   uint8_t         token;
     28   uint8_t         skip_eob_node;
     29 } TOKENEXTRA;
     30 
     31 typedef int64_t vp9_coeff_accum[REF_TYPES][COEF_BANDS][PREV_COEF_CONTEXTS]
     32                                [MAX_ENTROPY_TOKENS + 1];
     33 
     34 int vp9_sb_is_skippable(MACROBLOCKD *xd, BLOCK_SIZE bsize);
     35 int vp9_is_skippable_in_plane(MACROBLOCKD *xd, BLOCK_SIZE bsize,
     36                               int plane);
     37 struct VP9_COMP;
     38 
     39 void vp9_tokenize_sb(struct VP9_COMP *cpi, TOKENEXTRA **t, int dry_run,
     40                      BLOCK_SIZE bsize);
     41 
     42 #ifdef ENTROPY_STATS
     43 void init_context_counters();
     44 void print_context_counters();
     45 
     46 extern vp9_coeff_accum context_counters[TX_SIZES][BLOCK_TYPES];
     47 #endif
     48 
     49 extern const int *vp9_dct_value_cost_ptr;
     50 /* TODO: The Token field should be broken out into a separate char array to
     51  *  improve cache locality, since it's needed for costing when the rest of the
     52  *  fields are not.
     53  */
     54 extern const TOKENVALUE *vp9_dct_value_tokens_ptr;
     55 
     56 #endif  // VP9_ENCODER_VP9_TOKENIZE_H_
     57