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_blockd.h"
15 #include "vp9/common/vp9_entropy.h"
16 #include "vp9/common/vp9_entropymv.h"
17
18 #ifdef __cplusplus
19 extern "C" {
20 #endif
21
22 #define TX_SIZE_CONTEXTS 2
23 #define SWITCHABLE_FILTERS 3 // number of switchable filters
24 #define SWITCHABLE_FILTER_CONTEXTS (SWITCHABLE_FILTERS + 1)
25
26 struct VP9Common;
27
28 struct tx_probs {
29 vp9_prob p32x32[TX_SIZE_CONTEXTS][TX_SIZES - 1];
30 vp9_prob p16x16[TX_SIZE_CONTEXTS][TX_SIZES - 2];
31 vp9_prob p8x8[TX_SIZE_CONTEXTS][TX_SIZES - 3];
32 };
33
34 struct tx_counts {
35 unsigned int p32x32[TX_SIZE_CONTEXTS][TX_SIZES];
36 unsigned int p16x16[TX_SIZE_CONTEXTS][TX_SIZES - 1];
37 unsigned int p8x8[TX_SIZE_CONTEXTS][TX_SIZES - 2];
38 };
39
40 typedef struct frame_contexts {
41 vp9_prob y_mode_prob[BLOCK_SIZE_GROUPS][INTRA_MODES - 1];
42 vp9_prob uv_mode_prob[INTRA_MODES][INTRA_MODES - 1];
43 vp9_prob partition_prob[PARTITION_CONTEXTS][PARTITION_TYPES - 1];
44 vp9_coeff_probs_model coef_probs[TX_SIZES][PLANE_TYPES];
45 vp9_prob switchable_interp_prob[SWITCHABLE_FILTER_CONTEXTS]
46 [SWITCHABLE_FILTERS - 1];
47 vp9_prob inter_mode_probs[INTER_MODE_CONTEXTS][INTER_MODES - 1];
48 vp9_prob intra_inter_prob[INTRA_INTER_CONTEXTS];
49 vp9_prob comp_inter_prob[COMP_INTER_CONTEXTS];
50 vp9_prob single_ref_prob[REF_CONTEXTS][2];
51 vp9_prob comp_ref_prob[REF_CONTEXTS];
52 struct tx_probs tx_probs;
53 vp9_prob skip_probs[SKIP_CONTEXTS];
54 nmv_context nmvc;
55 } FRAME_CONTEXT;
56
57 typedef struct {
58 unsigned int y_mode[BLOCK_SIZE_GROUPS][INTRA_MODES];
59 unsigned int uv_mode[INTRA_MODES][INTRA_MODES];
60 unsigned int partition[PARTITION_CONTEXTS][PARTITION_TYPES];
61 vp9_coeff_count_model coef[TX_SIZES][PLANE_TYPES];
62 unsigned int eob_branch[TX_SIZES][PLANE_TYPES][REF_TYPES]
63 [COEF_BANDS][COEFF_CONTEXTS];
64 unsigned int switchable_interp[SWITCHABLE_FILTER_CONTEXTS]
65 [SWITCHABLE_FILTERS];
66 unsigned int inter_mode[INTER_MODE_CONTEXTS][INTER_MODES];
67 unsigned int intra_inter[INTRA_INTER_CONTEXTS][2];
68 unsigned int comp_inter[COMP_INTER_CONTEXTS][2];
69 unsigned int single_ref[REF_CONTEXTS][2][2];
70 unsigned int comp_ref[REF_CONTEXTS][2];
71 struct tx_counts tx;
72 unsigned int skip[SKIP_CONTEXTS][2];
73 nmv_context_counts mv;
74 } FRAME_COUNTS;
75
76 extern const vp9_prob vp9_kf_uv_mode_prob[INTRA_MODES][INTRA_MODES - 1];
77 extern const vp9_prob vp9_kf_y_mode_prob[INTRA_MODES][INTRA_MODES]
78 [INTRA_MODES - 1];
79 extern const vp9_prob vp9_kf_partition_probs[PARTITION_CONTEXTS]
80 [PARTITION_TYPES - 1];
81 extern const vp9_tree_index vp9_intra_mode_tree[TREE_SIZE(INTRA_MODES)];
82 extern const vp9_tree_index vp9_inter_mode_tree[TREE_SIZE(INTER_MODES)];
83 extern const vp9_tree_index vp9_partition_tree[TREE_SIZE(PARTITION_TYPES)];
84 extern const vp9_tree_index vp9_switchable_interp_tree
85 [TREE_SIZE(SWITCHABLE_FILTERS)];
86
87 void vp9_setup_past_independence(struct VP9Common *cm);
88
89 void vp9_init_mode_probs(FRAME_CONTEXT *fc);
90
91 void vp9_adapt_mode_probs(struct VP9Common *cm);
92
93 void tx_counts_to_branch_counts_32x32(const unsigned int *tx_count_32x32p,
94 unsigned int (*ct_32x32p)[2]);
95 void tx_counts_to_branch_counts_16x16(const unsigned int *tx_count_16x16p,
96 unsigned int (*ct_16x16p)[2]);
97 void tx_counts_to_branch_counts_8x8(const unsigned int *tx_count_8x8p,
98 unsigned int (*ct_8x8p)[2]);
99
get_y_mode_probs(const MODE_INFO * mi,const MODE_INFO * above_mi,const MODE_INFO * left_mi,int block)100 static INLINE const vp9_prob *get_y_mode_probs(const MODE_INFO *mi,
101 const MODE_INFO *above_mi,
102 const MODE_INFO *left_mi,
103 int block) {
104 const MB_PREDICTION_MODE above = vp9_above_block_mode(mi, above_mi, block);
105 const MB_PREDICTION_MODE left = vp9_left_block_mode(mi, left_mi, block);
106 return vp9_kf_y_mode_prob[above][left];
107 }
108
109 #ifdef __cplusplus
110 } // extern "C"
111 #endif
112
113 #endif // VP9_COMMON_VP9_ENTROPYMODE_H_
114