vpx/vp9/common/vp9_entropymode.h

87 lines
3.0 KiB
C

/*
* 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_COMMON_VP9_ENTROPYMODE_H_
#define VP9_COMMON_VP9_ENTROPYMODE_H_
#include "vp9/common/vp9_blockd.h"
#include "vp9/common/vp9_treecoder.h"
#define SUBMVREF_COUNT 5
#define TX_SIZE_CONTEXTS 2
#define VP9_MODE_UPDATE_PROB 252
#define VP9_SWITCHABLE_FILTERS 3 // number of switchable filters
// #define MODE_STATS
struct VP9Common;
struct tx_probs {
vp9_prob p32x32[TX_SIZE_CONTEXTS][TX_SIZE_MAX_SB - 1];
vp9_prob p16x16[TX_SIZE_CONTEXTS][TX_SIZE_MAX_SB - 2];
vp9_prob p8x8[TX_SIZE_CONTEXTS][TX_SIZE_MAX_SB - 3];
};
struct tx_counts {
unsigned int p32x32[TX_SIZE_CONTEXTS][TX_SIZE_MAX_SB];
unsigned int p16x16[TX_SIZE_CONTEXTS][TX_SIZE_MAX_SB - 1];
unsigned int p8x8[TX_SIZE_CONTEXTS][TX_SIZE_MAX_SB - 2];
};
extern const vp9_prob vp9_kf_uv_mode_prob[VP9_INTRA_MODES][VP9_INTRA_MODES - 1];
extern const vp9_prob vp9_kf_y_mode_prob[VP9_INTRA_MODES][VP9_INTRA_MODES]
[VP9_INTRA_MODES - 1];
extern const vp9_tree_index vp9_intra_mode_tree[];
extern const vp9_tree_index vp9_inter_mode_tree[];
extern struct vp9_token vp9_intra_mode_encodings[VP9_INTRA_MODES];
extern struct vp9_token vp9_inter_mode_encodings[VP9_INTER_MODES];
// probability models for partition information
extern const vp9_tree_index vp9_partition_tree[];
extern struct vp9_token vp9_partition_encodings[PARTITION_TYPES];
extern const INTERPOLATIONFILTERTYPE vp9_switchable_interp
[VP9_SWITCHABLE_FILTERS];
extern const int vp9_switchable_interp_map[SWITCHABLE + 1];
extern const int vp9_is_interpolating_filter[SWITCHABLE + 1];
extern const vp9_tree_index vp9_switchable_interp_tree
[2 * (VP9_SWITCHABLE_FILTERS - 1)];
extern struct vp9_token vp9_switchable_interp_encodings[VP9_SWITCHABLE_FILTERS];
void vp9_entropy_mode_init();
int vp9_mv_cont(const int_mv *l, const int_mv *a);
void vp9_setup_past_independence(struct VP9Common *cm, MACROBLOCKD *xd);
void vp9_init_mbmode_probs(struct VP9Common *x);
void vp9_init_mode_contexts(struct VP9Common *pc);
void vp9_adapt_mode_context(struct VP9Common *pc);
void vp9_adapt_mode_probs(struct VP9Common *);
void vp9_accum_mv_refs(struct VP9Common *pc, MB_PREDICTION_MODE m, int context);
void tx_counts_to_branch_counts_32x32(unsigned int *tx_count_32x32p,
unsigned int (*ct_32x32p)[2]);
void tx_counts_to_branch_counts_16x16(unsigned int *tx_count_16x16p,
unsigned int (*ct_16x16p)[2]);
void tx_counts_to_branch_counts_8x8(unsigned int *tx_count_8x8p,
unsigned int (*ct_8x8p)[2]);
#endif // VP9_COMMON_VP9_ENTROPYMODE_H_