ref: 8e3f7a52a1b7d48eabcec4178bac4c84be3b6419
dir: /vp9/common/vp9_entropymode.h/
/*
* 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_entropy.h"
#include "vp9/common/vp9_entropymv.h"
#ifdef __cplusplus
extern "C" {
#endif
#define TX_SIZE_CONTEXTS 2
#define SWITCHABLE_FILTERS 3 // number of switchable filters
#define SWITCHABLE_FILTER_CONTEXTS (SWITCHABLE_FILTERS + 1)
struct VP9Common;
struct tx_probs {
vp9_prob p32x32[TX_SIZE_CONTEXTS][TX_SIZES - 1];
vp9_prob p16x16[TX_SIZE_CONTEXTS][TX_SIZES - 2];
vp9_prob p8x8[TX_SIZE_CONTEXTS][TX_SIZES - 3];
};
struct tx_counts {
unsigned int p32x32[TX_SIZE_CONTEXTS][TX_SIZES];
unsigned int p16x16[TX_SIZE_CONTEXTS][TX_SIZES - 1];
unsigned int p8x8[TX_SIZE_CONTEXTS][TX_SIZES - 2];
};
typedef struct frame_contexts {
vp9_prob y_mode_prob[BLOCK_SIZE_GROUPS][INTRA_MODES - 1];
vp9_prob uv_mode_prob[INTRA_MODES][INTRA_MODES - 1];
vp9_prob partition_prob[PARTITION_CONTEXTS][PARTITION_TYPES - 1];
vp9_coeff_probs_model coef_probs[TX_SIZES][PLANE_TYPES];
vp9_prob switchable_interp_prob[SWITCHABLE_FILTER_CONTEXTS]
[SWITCHABLE_FILTERS - 1];
vp9_prob inter_mode_probs[INTER_MODE_CONTEXTS][INTER_MODES - 1];
vp9_prob intra_inter_prob[INTRA_INTER_CONTEXTS];
vp9_prob comp_inter_prob[COMP_INTER_CONTEXTS];
vp9_prob single_ref_prob[REF_CONTEXTS][2];
vp9_prob comp_ref_prob[REF_CONTEXTS];
struct tx_probs tx_probs;
vp9_prob skip_probs[SKIP_CONTEXTS];
nmv_context nmvc;
} FRAME_CONTEXT;
typedef struct {
unsigned int y_mode[BLOCK_SIZE_GROUPS][INTRA_MODES];
unsigned int uv_mode[INTRA_MODES][INTRA_MODES];
unsigned int partition[PARTITION_CONTEXTS][PARTITION_TYPES];
vp9_coeff_count_model coef[TX_SIZES][PLANE_TYPES];
unsigned int eob_branch[TX_SIZES][PLANE_TYPES][REF_TYPES]
[COEF_BANDS][COEFF_CONTEXTS];
unsigned int switchable_interp[SWITCHABLE_FILTER_CONTEXTS]
[SWITCHABLE_FILTERS];
unsigned int inter_mode[INTER_MODE_CONTEXTS][INTER_MODES];
unsigned int intra_inter[INTRA_INTER_CONTEXTS][2];
unsigned int comp_inter[COMP_INTER_CONTEXTS][2];
unsigned int single_ref[REF_CONTEXTS][2][2];
unsigned int comp_ref[REF_CONTEXTS][2];
struct tx_counts tx;
unsigned int skip[SKIP_CONTEXTS][2];
nmv_context_counts mv;
} FRAME_COUNTS;
extern const vp9_prob vp9_kf_uv_mode_prob[INTRA_MODES][INTRA_MODES - 1];
extern const vp9_prob vp9_kf_y_mode_prob[INTRA_MODES][INTRA_MODES]
[INTRA_MODES - 1];
extern const vp9_prob vp9_kf_partition_probs[PARTITION_CONTEXTS]
[PARTITION_TYPES - 1];
extern const vp9_tree_index vp9_intra_mode_tree[TREE_SIZE(INTRA_MODES)];
extern const vp9_tree_index vp9_inter_mode_tree[TREE_SIZE(INTER_MODES)];
extern const vp9_tree_index vp9_partition_tree[TREE_SIZE(PARTITION_TYPES)];
extern const vp9_tree_index vp9_switchable_interp_tree
[TREE_SIZE(SWITCHABLE_FILTERS)];
void vp9_setup_past_independence(struct VP9Common *cm);
void vp9_init_mode_probs(FRAME_CONTEXT *fc);
void vp9_adapt_mode_probs(struct VP9Common *cm);
void tx_counts_to_branch_counts_32x32(const unsigned int *tx_count_32x32p,
unsigned int (*ct_32x32p)[2]);
void tx_counts_to_branch_counts_16x16(const unsigned int *tx_count_16x16p,
unsigned int (*ct_16x16p)[2]);
void tx_counts_to_branch_counts_8x8(const unsigned int *tx_count_8x8p,
unsigned int (*ct_8x8p)[2]);
static INLINE const vp9_prob *get_y_mode_probs(const MODE_INFO *mi,
const MODE_INFO *above_mi,
const MODE_INFO *left_mi,
int block) {
const PREDICTION_MODE above = vp9_above_block_mode(mi, above_mi, block);
const PREDICTION_MODE left = vp9_left_block_mode(mi, left_mi, block);
return vp9_kf_y_mode_prob[above][left];
}
#ifdef __cplusplus
} // extern "C"
#endif
#endif // VP9_COMMON_VP9_ENTROPYMODE_H_