media/libvpx/vp9/common/vp9_entropymode.h

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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_treecoder.h"
16
17 #define TX_SIZE_CONTEXTS 2
18 #define SWITCHABLE_FILTERS 3 // number of switchable filters
19 #define SWITCHABLE_FILTER_CONTEXTS (SWITCHABLE_FILTERS + 1)
20
21 // #define MODE_STATS
22
23 struct VP9Common;
24
25 struct tx_probs {
26 vp9_prob p32x32[TX_SIZE_CONTEXTS][TX_SIZES - 1];
27 vp9_prob p16x16[TX_SIZE_CONTEXTS][TX_SIZES - 2];
28 vp9_prob p8x8[TX_SIZE_CONTEXTS][TX_SIZES - 3];
29 };
30
31 struct tx_counts {
32 unsigned int p32x32[TX_SIZE_CONTEXTS][TX_SIZES];
33 unsigned int p16x16[TX_SIZE_CONTEXTS][TX_SIZES - 1];
34 unsigned int p8x8[TX_SIZE_CONTEXTS][TX_SIZES - 2];
35 };
36
37 extern const vp9_prob vp9_kf_uv_mode_prob[INTRA_MODES][INTRA_MODES - 1];
38 extern const vp9_prob vp9_kf_y_mode_prob[INTRA_MODES][INTRA_MODES]
39 [INTRA_MODES - 1];
40
41 extern const vp9_prob vp9_kf_partition_probs[PARTITION_CONTEXTS]
42 [PARTITION_TYPES - 1];
43
44 extern const vp9_tree_index vp9_intra_mode_tree[TREE_SIZE(INTRA_MODES)];
45 extern struct vp9_token vp9_intra_mode_encodings[INTRA_MODES];
46
47 extern const vp9_tree_index vp9_inter_mode_tree[TREE_SIZE(INTER_MODES)];
48 extern struct vp9_token vp9_inter_mode_encodings[INTER_MODES];
49
50 extern const vp9_tree_index vp9_partition_tree[TREE_SIZE(PARTITION_TYPES)];
51 extern struct vp9_token vp9_partition_encodings[PARTITION_TYPES];
52
53 extern const vp9_tree_index vp9_switchable_interp_tree
54 [TREE_SIZE(SWITCHABLE_FILTERS)];
55 extern struct vp9_token vp9_switchable_interp_encodings[SWITCHABLE_FILTERS];
56
57 void vp9_entropy_mode_init();
58
59 void vp9_setup_past_independence(struct VP9Common *cm);
60
61 void vp9_init_mbmode_probs(struct VP9Common *cm);
62
63 void vp9_adapt_mode_probs(struct VP9Common *cm);
64
65 void tx_counts_to_branch_counts_32x32(const unsigned int *tx_count_32x32p,
66 unsigned int (*ct_32x32p)[2]);
67 void tx_counts_to_branch_counts_16x16(const unsigned int *tx_count_16x16p,
68 unsigned int (*ct_16x16p)[2]);
69 void tx_counts_to_branch_counts_8x8(const unsigned int *tx_count_8x8p,
70 unsigned int (*ct_8x8p)[2]);
71
72 #endif // VP9_COMMON_VP9_ENTROPYMODE_H_

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