vp9_entropymode.h 4.25 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 "vp9/common/vp9_blockd.h"
#include "vp9/common/vp9_treecoder.h"
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#define SUBMVREF_COUNT 5
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#define VP9_NUMMBSPLITS 4
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#if CONFIG_COMP_INTRA_PRED
#define DEFAULT_COMP_INTRA_PROB  32
#endif
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#if CONFIG_COMP_INTERINTRA_PRED
#define VP9_DEF_INTERINTRA_PROB 248
#define VP9_UPD_INTERINTRA_PROB 192
// whether to use a separate uv mode (1) or use the same as the y mode (0)
#define SEPARATE_INTERINTRA_UV  0
#endif

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typedef const int vp9_mbsplit[16];
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extern vp9_mbsplit vp9_mbsplits[VP9_NUMMBSPLITS];
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extern const int vp9_mbsplit_count[VP9_NUMMBSPLITS];    /* # of subsets */
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extern const vp9_prob vp9_mbsplit_probs[VP9_NUMMBSPLITS - 1];
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extern int vp9_mv_cont(const int_mv *l, const int_mv *a);
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extern const vp9_prob vp9_sub_mv_ref_prob[VP9_SUBMVREFS - 1];
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extern const vp9_prob vp9_sub_mv_ref_prob2[SUBMVREF_COUNT][VP9_SUBMVREFS - 1];
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extern const unsigned int vp9_kf_default_bmode_counts[VP9_KF_BINTRAMODES]
                                                     [VP9_KF_BINTRAMODES]
                                                     [VP9_KF_BINTRAMODES];
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extern const vp9_tree_index vp9_bmode_tree[];
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extern const vp9_tree_index vp9_kf_bmode_tree[];
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extern const vp9_tree_index  vp9_ymode_tree[];
extern const vp9_tree_index  vp9_kf_ymode_tree[];
extern const vp9_tree_index  vp9_uv_mode_tree[];
#define vp9_sb_ymode_tree vp9_uv_mode_tree
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#define vp9_sb_kf_ymode_tree vp9_uv_mode_tree
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extern const vp9_tree_index  vp9_i8x8_mode_tree[];
extern const vp9_tree_index  vp9_mbsplit_tree[];
extern const vp9_tree_index  vp9_mv_ref_tree[];
extern const vp9_tree_index  vp9_sb_mv_ref_tree[];
extern const vp9_tree_index  vp9_sub_mv_ref_tree[];
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extern struct vp9_token_struct vp9_bmode_encodings[VP9_NKF_BINTRAMODES];
extern struct vp9_token_struct vp9_kf_bmode_encodings[VP9_KF_BINTRAMODES];
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extern struct vp9_token_struct vp9_ymode_encodings[VP9_YMODES];
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extern struct vp9_token_struct vp9_sb_ymode_encodings[VP9_I32X32_MODES];
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extern struct vp9_token_struct vp9_sb_kf_ymode_encodings[VP9_I32X32_MODES];
extern struct vp9_token_struct vp9_kf_ymode_encodings[VP9_YMODES];
extern struct vp9_token_struct vp9_i8x8_mode_encodings[VP9_I8X8_MODES];
extern struct vp9_token_struct vp9_uv_mode_encodings[VP9_UV_MODES];
extern struct vp9_token_struct vp9_mbsplit_encodings[VP9_NUMMBSPLITS];
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/* Inter mode values do not start at zero */

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extern struct vp9_token_struct vp9_mv_ref_encoding_array[VP9_MVREFS];
extern struct vp9_token_struct vp9_sb_mv_ref_encoding_array[VP9_MVREFS];
extern struct vp9_token_struct vp9_sub_mv_ref_encoding_array[VP9_SUBMVREFS];
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void vp9_entropy_mode_init(void);
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struct VP9Common;
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void vp9_init_mbmode_probs(struct VP9Common *x);
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extern void vp9_init_mode_contexts(struct VP9Common *pc);
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extern void vp9_update_mode_context(struct VP9Common *pc);

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extern void vp9_accum_mv_refs(struct VP9Common *pc,
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                              MB_PREDICTION_MODE m,
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                              const int context);
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void vp9_default_bmode_probs(vp9_prob dest[VP9_NKF_BINTRAMODES - 1]);
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void vp9_kf_default_bmode_probs(vp9_prob dest[VP9_KF_BINTRAMODES]
                                             [VP9_KF_BINTRAMODES]
                                             [VP9_KF_BINTRAMODES - 1]);
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void vp9_adapt_mode_probs(struct VP9Common *);
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#define VP9_SWITCHABLE_FILTERS 2 /* number of switchable filters */
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extern const  INTERPOLATIONFILTERTYPE vp9_switchable_interp
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                  [VP9_SWITCHABLE_FILTERS];
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extern const  int vp9_switchable_interp_map[SWITCHABLE + 1];
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extern const  vp9_tree_index vp9_switchable_interp_tree
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                  [2 * (VP9_SWITCHABLE_FILTERS - 1)];

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extern struct vp9_token_struct vp9_switchable_interp_encodings
                  [VP9_SWITCHABLE_FILTERS];
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extern const  vp9_prob vp9_switchable_interp_prob[VP9_SWITCHABLE_FILTERS + 1]
                                                 [VP9_SWITCHABLE_FILTERS - 1];

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#endif