tokenize.h 1.66 KB
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/*
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 *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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 *
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 *  Use of this source code is governed by a BSD-style license
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 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
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 *  in the file PATENTS.  All contributing project authors may
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 *  be found in the AUTHORS file in the root of the source tree.
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 */


#ifndef tokenize_h
#define tokenize_h

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#include "vp8/common/entropy.h"
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#include "block.h"

void vp8_tokenize_initialize();

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typedef struct
{
    short Token;
    short Extra;
} TOKENVALUE;

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typedef struct
{
    const vp8_prob *context_tree;
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    short           Extra;
    unsigned char   Token;
    unsigned char   skip_eob_node;
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} TOKENEXTRA;

int rd_cost_mby(MACROBLOCKD *);

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extern int mby_is_skippable(MACROBLOCKD *x,int has_y2_block);
extern int mbuv_is_skippable(MACROBLOCKD *x);
extern int mb_is_skippable(MACROBLOCKD *x,int has_y2_block);
extern int mby_is_skippable_8x8(MACROBLOCKD *x);
extern int mbuv_is_skippable_8x8(MACROBLOCKD *x);
extern int mb_is_skippable_8x8(MACROBLOCKD *x);

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#ifdef ENTROPY_STATS
void init_context_counters();
void print_context_counters();

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extern _int64 context_counters[BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [MAX_ENTROPY_TOKENS];
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extern _int64 context_counters_8x8[BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [MAX_ENTROPY_TOKENS];
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#endif
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extern const int *vp8_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.
 */
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extern const TOKENVALUE *vp8_dct_value_tokens_ptr;
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#endif  /* tokenize_h */