1/*
2 *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
3 *
4 *  Use of this source code is governed by a BSD-style license
5 *  that can be found in the LICENSE file in the root of the source
6 *  tree. An additional intellectual property rights grant can be found
7 *  in the file PATENTS.  All contributing project authors may
8 *  be found in the AUTHORS file in the root of the source tree.
9 */
10
11#ifndef VP9_COMMON_VP9_ENTROPYMODE_H_
12#define VP9_COMMON_VP9_ENTROPYMODE_H_
13
14#include "vp9/common/vp9_entropy.h"
15#include "vp9/common/vp9_entropymv.h"
16#include "vp9/common/vp9_filter.h"
17#include "vpx_dsp/vpx_filter.h"
18
19#ifdef __cplusplus
20extern "C" {
21#endif
22
23#define BLOCK_SIZE_GROUPS 4
24
25#define TX_SIZE_CONTEXTS 2
26
27#define INTER_OFFSET(mode) ((mode) - NEARESTMV)
28
29struct VP9Common;
30
31struct tx_probs {
32  vpx_prob p32x32[TX_SIZE_CONTEXTS][TX_SIZES - 1];
33  vpx_prob p16x16[TX_SIZE_CONTEXTS][TX_SIZES - 2];
34  vpx_prob p8x8[TX_SIZE_CONTEXTS][TX_SIZES - 3];
35};
36
37struct tx_counts {
38  unsigned int p32x32[TX_SIZE_CONTEXTS][TX_SIZES];
39  unsigned int p16x16[TX_SIZE_CONTEXTS][TX_SIZES - 1];
40  unsigned int p8x8[TX_SIZE_CONTEXTS][TX_SIZES - 2];
41  unsigned int tx_totals[TX_SIZES];
42};
43
44typedef struct frame_contexts {
45  vpx_prob y_mode_prob[BLOCK_SIZE_GROUPS][INTRA_MODES - 1];
46  vpx_prob uv_mode_prob[INTRA_MODES][INTRA_MODES - 1];
47  vpx_prob partition_prob[PARTITION_CONTEXTS][PARTITION_TYPES - 1];
48  vp9_coeff_probs_model coef_probs[TX_SIZES][PLANE_TYPES];
49  vpx_prob switchable_interp_prob[SWITCHABLE_FILTER_CONTEXTS]
50                                 [SWITCHABLE_FILTERS - 1];
51  vpx_prob inter_mode_probs[INTER_MODE_CONTEXTS][INTER_MODES - 1];
52  vpx_prob intra_inter_prob[INTRA_INTER_CONTEXTS];
53  vpx_prob comp_inter_prob[COMP_INTER_CONTEXTS];
54  vpx_prob single_ref_prob[REF_CONTEXTS][2];
55  vpx_prob comp_ref_prob[REF_CONTEXTS];
56  struct tx_probs tx_probs;
57  vpx_prob skip_probs[SKIP_CONTEXTS];
58  nmv_context nmvc;
59  int initialized;
60} FRAME_CONTEXT;
61
62typedef struct FRAME_COUNTS {
63  unsigned int y_mode[BLOCK_SIZE_GROUPS][INTRA_MODES];
64  unsigned int uv_mode[INTRA_MODES][INTRA_MODES];
65  unsigned int partition[PARTITION_CONTEXTS][PARTITION_TYPES];
66  vp9_coeff_count_model coef[TX_SIZES][PLANE_TYPES];
67  unsigned int eob_branch[TX_SIZES][PLANE_TYPES][REF_TYPES]
68                         [COEF_BANDS][COEFF_CONTEXTS];
69  unsigned int switchable_interp[SWITCHABLE_FILTER_CONTEXTS]
70                                [SWITCHABLE_FILTERS];
71  unsigned int inter_mode[INTER_MODE_CONTEXTS][INTER_MODES];
72  unsigned int intra_inter[INTRA_INTER_CONTEXTS][2];
73  unsigned int comp_inter[COMP_INTER_CONTEXTS][2];
74  unsigned int single_ref[REF_CONTEXTS][2][2];
75  unsigned int comp_ref[REF_CONTEXTS][2];
76  struct tx_counts tx;
77  unsigned int skip[SKIP_CONTEXTS][2];
78  nmv_context_counts mv;
79} FRAME_COUNTS;
80
81extern const vpx_prob vp9_kf_uv_mode_prob[INTRA_MODES][INTRA_MODES - 1];
82extern const vpx_prob vp9_kf_y_mode_prob[INTRA_MODES][INTRA_MODES]
83                                        [INTRA_MODES - 1];
84extern const vpx_prob vp9_kf_partition_probs[PARTITION_CONTEXTS]
85                                            [PARTITION_TYPES - 1];
86extern const vpx_tree_index vp9_intra_mode_tree[TREE_SIZE(INTRA_MODES)];
87extern const vpx_tree_index vp9_inter_mode_tree[TREE_SIZE(INTER_MODES)];
88extern const vpx_tree_index vp9_partition_tree[TREE_SIZE(PARTITION_TYPES)];
89extern const vpx_tree_index vp9_switchable_interp_tree
90                                [TREE_SIZE(SWITCHABLE_FILTERS)];
91
92void vp9_setup_past_independence(struct VP9Common *cm);
93
94void vp9_adapt_mode_probs(struct VP9Common *cm);
95
96void tx_counts_to_branch_counts_32x32(const unsigned int *tx_count_32x32p,
97                                      unsigned int (*ct_32x32p)[2]);
98void tx_counts_to_branch_counts_16x16(const unsigned int *tx_count_16x16p,
99                                      unsigned int (*ct_16x16p)[2]);
100void tx_counts_to_branch_counts_8x8(const unsigned int *tx_count_8x8p,
101                                    unsigned int (*ct_8x8p)[2]);
102
103#ifdef __cplusplus
104}  // extern "C"
105#endif
106
107#endif  // VP9_COMMON_VP9_ENTROPYMODE_H_
108