entropymode.h 3.47 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 __INC_ENTROPYMODE_H
#define __INC_ENTROPYMODE_H

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#include "blockd.h"
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#include "treecoder.h"

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#define SUBMVREF_COUNT 5
#define VP8_NUMMBSPLITS 4

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typedef const int vp8_mbsplit[16];

extern vp8_mbsplit vp8_mbsplits [VP8_NUMMBSPLITS];

extern const int vp8_mbsplit_count [VP8_NUMMBSPLITS];    /* # of subsets */

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extern const vp8_prob vp8_mbsplit_probs [VP8_NUMMBSPLITS - 1];
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extern int vp8_mv_cont(const int_mv *l, const int_mv *a);
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extern const vp8_prob vp8_sub_mv_ref_prob [VP8_SUBMVREFS - 1];
extern const vp8_prob vp8_sub_mv_ref_prob2 [SUBMVREF_COUNT][VP8_SUBMVREFS - 1];
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extern const unsigned int vp8_kf_default_bmode_counts [VP8_BINTRAMODES] [VP8_BINTRAMODES] [VP8_BINTRAMODES];


extern const vp8_tree_index vp8_bmode_tree[];

extern const vp8_tree_index  vp8_ymode_tree[];
extern const vp8_tree_index  vp8_kf_ymode_tree[];
extern const vp8_tree_index  vp8_uv_mode_tree[];
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#define vp8_sb_ymode_tree vp8_uv_mode_tree
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extern const vp8_tree_index  vp8_i8x8_mode_tree[];
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extern const vp8_tree_index  vp8_mbsplit_tree[];
extern const vp8_tree_index  vp8_mv_ref_tree[];
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extern const vp8_tree_index  vp8_sb_mv_ref_tree[];
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extern const vp8_tree_index  vp8_sub_mv_ref_tree[];

extern struct vp8_token_struct vp8_bmode_encodings   [VP8_BINTRAMODES];
extern struct vp8_token_struct vp8_ymode_encodings   [VP8_YMODES];
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extern struct vp8_token_struct vp8_sb_kf_ymode_encodings [VP8_I32X32_MODES];
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extern struct vp8_token_struct vp8_kf_ymode_encodings [VP8_YMODES];
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extern struct vp8_token_struct vp8_i8x8_mode_encodings  [VP8_I8X8_MODES];
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extern struct vp8_token_struct vp8_uv_mode_encodings  [VP8_UV_MODES];
extern struct vp8_token_struct vp8_mbsplit_encodings  [VP8_NUMMBSPLITS];

/* Inter mode values do not start at zero */

extern struct vp8_token_struct vp8_mv_ref_encoding_array    [VP8_MVREFS];
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extern struct vp8_token_struct vp8_sb_mv_ref_encoding_array    [VP8_MVREFS];
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extern struct vp8_token_struct vp8_sub_mv_ref_encoding_array [VP8_SUBMVREFS];

void vp8_entropy_mode_init(void);

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struct VP8Common;
void vp8_init_mbmode_probs(struct VP8Common *x);
extern void vp8_init_mode_contexts(struct VP8Common *pc);
extern void vp8_update_mode_context(struct VP8Common *pc);;
extern void vp8_accum_mv_refs(struct VP8Common *pc,
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                              MB_PREDICTION_MODE m,
                              const int ct[4]);
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void vp8_default_bmode_probs(vp8_prob dest [VP8_BINTRAMODES - 1]);
void vp8_kf_default_bmode_probs(vp8_prob dest [VP8_BINTRAMODES] [VP8_BINTRAMODES] [VP8_BINTRAMODES - 1]);
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void vp8_adapt_mode_probs(struct VP8Common *);
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#define VP8_SWITCHABLE_FILTERS 2 /* number of switchable filters */
extern const  INTERPOLATIONFILTERTYPE vp8_switchable_interp
                  [VP8_SWITCHABLE_FILTERS];
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extern const  int vp8_switchable_interp_map[SWITCHABLE + 1];
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extern const  vp8_tree_index vp8_switchable_interp_tree
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                  [2*(VP8_SWITCHABLE_FILTERS - 1)];
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extern struct vp8_token_struct vp8_switchable_interp_encodings
                  [VP8_SWITCHABLE_FILTERS];
extern const  vp8_prob vp8_switchable_interp_prob
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                  [VP8_SWITCHABLE_FILTERS + 1][VP8_SWITCHABLE_FILTERS - 1];
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#endif