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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 VPX_VP8_COMMON_ENTROPYMODE_H_
12 #define VPX_VP8_COMMON_ENTROPYMODE_H_
13 
14 #include "onyxc_int.h"
15 #include "treecoder.h"
16 
17 #ifdef __cplusplus
18 extern "C" {
19 #endif
20 
21 typedef enum {
22   SUBMVREF_NORMAL,
23   SUBMVREF_LEFT_ZED,
24   SUBMVREF_ABOVE_ZED,
25   SUBMVREF_LEFT_ABOVE_SAME,
26   SUBMVREF_LEFT_ABOVE_ZED
27 } sumvfref_t;
28 
29 typedef int vp8_mbsplit[16];
30 
31 #define VP8_NUMMBSPLITS 4
32 
33 extern const vp8_mbsplit vp8_mbsplits[VP8_NUMMBSPLITS];
34 
35 extern const int vp8_mbsplit_count[VP8_NUMMBSPLITS]; /* # of subsets */
36 
37 extern const vp8_prob vp8_mbsplit_probs[VP8_NUMMBSPLITS - 1];
38 
39 extern int vp8_mv_cont(const int_mv *l, const int_mv *a);
40 #define SUBMVREF_COUNT 5
41 extern const vp8_prob vp8_sub_mv_ref_prob2[SUBMVREF_COUNT][VP8_SUBMVREFS - 1];
42 
43 extern const unsigned int vp8_kf_default_bmode_counts[VP8_BINTRAMODES]
44                                                      [VP8_BINTRAMODES]
45                                                      [VP8_BINTRAMODES];
46 
47 extern const vp8_tree_index vp8_bmode_tree[];
48 
49 extern const vp8_tree_index vp8_ymode_tree[];
50 extern const vp8_tree_index vp8_kf_ymode_tree[];
51 extern const vp8_tree_index vp8_uv_mode_tree[];
52 
53 extern const vp8_tree_index vp8_mbsplit_tree[];
54 extern const vp8_tree_index vp8_mv_ref_tree[];
55 extern const vp8_tree_index vp8_sub_mv_ref_tree[];
56 
57 extern const struct vp8_token_struct vp8_bmode_encodings[VP8_BINTRAMODES];
58 extern const struct vp8_token_struct vp8_ymode_encodings[VP8_YMODES];
59 extern const struct vp8_token_struct vp8_kf_ymode_encodings[VP8_YMODES];
60 extern const struct vp8_token_struct vp8_uv_mode_encodings[VP8_UV_MODES];
61 extern const struct vp8_token_struct vp8_mbsplit_encodings[VP8_NUMMBSPLITS];
62 
63 /* Inter mode values do not start at zero */
64 
65 extern const struct vp8_token_struct vp8_mv_ref_encoding_array[VP8_MVREFS];
66 extern const struct vp8_token_struct
67     vp8_sub_mv_ref_encoding_array[VP8_SUBMVREFS];
68 
69 extern const vp8_tree_index vp8_small_mvtree[];
70 
71 extern const struct vp8_token_struct vp8_small_mvencodings[8];
72 
73 /* Key frame default mode probs */
74 extern const vp8_prob vp8_kf_bmode_prob[VP8_BINTRAMODES][VP8_BINTRAMODES]
75                                        [VP8_BINTRAMODES - 1];
76 extern const vp8_prob vp8_kf_uv_mode_prob[VP8_UV_MODES - 1];
77 extern const vp8_prob vp8_kf_ymode_prob[VP8_YMODES - 1];
78 
79 void vp8_init_mbmode_probs(VP8_COMMON *x);
80 void vp8_default_bmode_probs(vp8_prob dest[VP8_BINTRAMODES - 1]);
81 void vp8_kf_default_bmode_probs(
82     vp8_prob dest[VP8_BINTRAMODES][VP8_BINTRAMODES][VP8_BINTRAMODES - 1]);
83 
84 #ifdef __cplusplus
85 }  // extern "C"
86 #endif
87 
88 #endif  // VPX_VP8_COMMON_ENTROPYMODE_H_
89