vp56data.h
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1 /*
2  * Copyright (C) 2006 Aurelien Jacobs <aurel@gnuage.org>
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 /**
22  * @file
23  * VP5 and VP6 compatible video decoder (common data)
24  */
25 
26 #ifndef AVCODEC_VP56DATA_H
27 #define AVCODEC_VP56DATA_H
28 
29 #include "libavutil/common.h"
30 
31 typedef enum {
32  VP56_FRAME_NONE =-1,
33  VP56_FRAME_CURRENT = 0,
34  VP56_FRAME_PREVIOUS = 1,
35  VP56_FRAME_GOLDEN = 2,
36  VP56_FRAME_GOLDEN2 = 3,
37 } VP56Frame;
38 
39 typedef enum {
40  VP56_MB_INTER_NOVEC_PF = 0, /**< Inter MB, no vector, from previous frame */
41  VP56_MB_INTRA = 1, /**< Intra MB */
42  VP56_MB_INTER_DELTA_PF = 2, /**< Inter MB, above/left vector + delta, from previous frame */
43  VP56_MB_INTER_V1_PF = 3, /**< Inter MB, first vector, from previous frame */
44  VP56_MB_INTER_V2_PF = 4, /**< Inter MB, second vector, from previous frame */
45  VP56_MB_INTER_NOVEC_GF = 5, /**< Inter MB, no vector, from golden frame */
46  VP56_MB_INTER_DELTA_GF = 6, /**< Inter MB, above/left vector + delta, from golden frame */
47  VP56_MB_INTER_4V = 7, /**< Inter MB, 4 vectors, from previous frame */
48  VP56_MB_INTER_V1_GF = 8, /**< Inter MB, first vector, from golden frame */
49  VP56_MB_INTER_V2_GF = 9, /**< Inter MB, second vector, from golden frame */
50 } VP56mb;
51 
52 typedef struct VP56Tree {
53  int8_t val;
54  int8_t prob_idx;
55 } VP56Tree;
56 
57 extern const uint8_t ff_vp56_b2p[];
58 extern const uint8_t ff_vp56_b6to4[];
59 extern const uint8_t ff_vp56_coeff_parse_table[6][11];
60 extern const uint8_t ff_vp56_def_mb_types_stats[3][10][2];
61 extern const VP56Tree ff_vp56_pva_tree[];
62 extern const VP56Tree ff_vp56_pc_tree[];
63 extern const uint8_t ff_vp56_coeff_bias[];
64 extern const uint8_t ff_vp56_coeff_bit_length[];
65 
66 static const VP56Frame vp56_reference_frame[] = {
67  VP56_FRAME_PREVIOUS, /* VP56_MB_INTER_NOVEC_PF */
68  VP56_FRAME_CURRENT, /* VP56_MB_INTRA */
69  VP56_FRAME_PREVIOUS, /* VP56_MB_INTER_DELTA_PF */
70  VP56_FRAME_PREVIOUS, /* VP56_MB_INTER_V1_PF */
71  VP56_FRAME_PREVIOUS, /* VP56_MB_INTER_V2_PF */
72  VP56_FRAME_GOLDEN, /* VP56_MB_INTER_NOVEC_GF */
73  VP56_FRAME_GOLDEN, /* VP56_MB_INTER_DELTA_GF */
74  VP56_FRAME_PREVIOUS, /* VP56_MB_INTER_4V */
75  VP56_FRAME_GOLDEN, /* VP56_MB_INTER_V1_GF */
76  VP56_FRAME_GOLDEN, /* VP56_MB_INTER_V2_GF */
77 };
78 
79 static const uint8_t vp56_ac_dequant[64] = {
80  94, 92, 90, 88, 86, 82, 78, 74,
81  70, 66, 62, 58, 54, 53, 52, 51,
82  50, 49, 48, 47, 46, 45, 44, 43,
83  42, 40, 39, 37, 36, 35, 34, 33,
84  32, 31, 30, 29, 28, 27, 26, 25,
85  24, 23, 22, 21, 20, 19, 18, 17,
86  16, 15, 14, 13, 12, 11, 10, 9,
87  8, 7, 6, 5, 4, 3, 2, 1,
88 };
89 
90 static const uint8_t vp56_dc_dequant[64] = {
91  47, 47, 47, 47, 45, 43, 43, 43,
92  43, 43, 42, 41, 41, 40, 40, 40,
93  40, 35, 35, 35, 35, 33, 33, 33,
94  33, 32, 32, 32, 27, 27, 26, 26,
95  25, 25, 24, 24, 23, 23, 19, 19,
96  19, 19, 18, 18, 17, 16, 16, 16,
97  16, 16, 15, 11, 11, 11, 10, 10,
98  9, 8, 7, 5, 3, 3, 2, 2,
99 };
100 
101 static const uint8_t vp56_pre_def_mb_type_stats[16][3][10][2] = {
102  { { { 9, 15 }, { 32, 25 }, { 7, 19 }, { 9, 21 }, { 1, 12 },
103  { 14, 12 }, { 3, 18 }, { 14, 23 }, { 3, 10 }, { 0, 4 }, },
104  { { 41, 22 }, { 1, 0 }, { 1, 31 }, { 0, 0 }, { 0, 0 },
105  { 0, 1 }, { 1, 7 }, { 0, 1 }, { 98, 25 }, { 4, 10 }, },
106  { { 2, 3 }, { 2, 3 }, { 0, 2 }, { 0, 2 }, { 0, 0 },
107  { 11, 4 }, { 1, 4 }, { 0, 2 }, { 3, 2 }, { 0, 4 }, }, },
108  { { { 48, 39 }, { 1, 2 }, { 11, 27 }, { 29, 44 }, { 7, 27 },
109  { 1, 4 }, { 0, 3 }, { 1, 6 }, { 1, 2 }, { 0, 0 }, },
110  { { 123, 37 }, { 6, 4 }, { 1, 27 }, { 0, 0 }, { 0, 0 },
111  { 5, 8 }, { 1, 7 }, { 0, 1 }, { 12, 10 }, { 0, 2 }, },
112  { { 49, 46 }, { 3, 4 }, { 7, 31 }, { 42, 41 }, { 0, 0 },
113  { 2, 6 }, { 1, 7 }, { 1, 4 }, { 2, 4 }, { 0, 1 }, }, },
114  { { { 21, 32 }, { 1, 2 }, { 4, 10 }, { 32, 43 }, { 6, 23 },
115  { 2, 3 }, { 1, 19 }, { 1, 6 }, { 12, 21 }, { 0, 7 }, },
116  { { 26, 14 }, { 14, 12 }, { 0, 24 }, { 0, 0 }, { 0, 0 },
117  { 55, 17 }, { 1, 9 }, { 0, 36 }, { 5, 7 }, { 1, 3 }, },
118  { { 26, 25 }, { 1, 1 }, { 2, 10 }, { 67, 39 }, { 0, 0 },
119  { 1, 1 }, { 0, 14 }, { 0, 2 }, { 31, 26 }, { 1, 6 }, }, },
120  { { { 69, 83 }, { 0, 0 }, { 0, 2 }, { 10, 29 }, { 3, 12 },
121  { 0, 1 }, { 0, 3 }, { 0, 3 }, { 2, 2 }, { 0, 0 }, },
122  { { 209, 5 }, { 0, 0 }, { 0, 27 }, { 0, 0 }, { 0, 0 },
123  { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 0 }, { 0, 0 }, },
124  { { 103, 46 }, { 1, 2 }, { 2, 10 }, { 33, 42 }, { 0, 0 },
125  { 1, 4 }, { 0, 3 }, { 0, 1 }, { 1, 3 }, { 0, 0 }, }, },
126  { { { 11, 20 }, { 1, 4 }, { 18, 36 }, { 43, 48 }, { 13, 35 },
127  { 0, 2 }, { 0, 5 }, { 3, 12 }, { 1, 2 }, { 0, 0 }, },
128  { { 2, 5 }, { 4, 5 }, { 0, 121 }, { 0, 0 }, { 0, 0 },
129  { 0, 3 }, { 2, 4 }, { 1, 4 }, { 2, 2 }, { 0, 1 }, },
130  { { 14, 31 }, { 9, 13 }, { 14, 54 }, { 22, 29 }, { 0, 0 },
131  { 2, 6 }, { 4, 18 }, { 6, 13 }, { 1, 5 }, { 0, 1 }, }, },
132  { { { 70, 44 }, { 0, 1 }, { 2, 10 }, { 37, 46 }, { 8, 26 },
133  { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 1 }, { 0, 0 }, },
134  { { 175, 5 }, { 0, 1 }, { 0, 48 }, { 0, 0 }, { 0, 0 },
135  { 0, 2 }, { 0, 1 }, { 0, 2 }, { 0, 1 }, { 0, 0 }, },
136  { { 85, 39 }, { 0, 0 }, { 1, 9 }, { 69, 40 }, { 0, 0 },
137  { 0, 1 }, { 0, 3 }, { 0, 1 }, { 2, 3 }, { 0, 0 }, }, },
138  { { { 8, 15 }, { 0, 1 }, { 8, 21 }, { 74, 53 }, { 22, 42 },
139  { 0, 1 }, { 0, 2 }, { 0, 3 }, { 1, 2 }, { 0, 0 }, },
140  { { 83, 5 }, { 2, 3 }, { 0, 102 }, { 0, 0 }, { 0, 0 },
141  { 1, 3 }, { 0, 2 }, { 0, 1 }, { 0, 0 }, { 0, 0 }, },
142  { { 31, 28 }, { 0, 0 }, { 3, 14 }, { 130, 34 }, { 0, 0 },
143  { 0, 1 }, { 0, 3 }, { 0, 1 }, { 3, 3 }, { 0, 1 }, }, },
144  { { { 141, 42 }, { 0, 0 }, { 1, 4 }, { 11, 24 }, { 1, 11 },
145  { 0, 1 }, { 0, 1 }, { 0, 2 }, { 0, 0 }, { 0, 0 }, },
146  { { 233, 6 }, { 0, 0 }, { 0, 8 }, { 0, 0 }, { 0, 0 },
147  { 0, 1 }, { 0, 1 }, { 0, 0 }, { 0, 1 }, { 0, 0 }, },
148  { { 171, 25 }, { 0, 0 }, { 1, 5 }, { 25, 21 }, { 0, 0 },
149  { 0, 1 }, { 0, 1 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, }, },
150  { { { 8, 19 }, { 4, 10 }, { 24, 45 }, { 21, 37 }, { 9, 29 },
151  { 0, 3 }, { 1, 7 }, { 11, 25 }, { 0, 2 }, { 0, 1 }, },
152  { { 34, 16 }, { 112, 21 }, { 1, 28 }, { 0, 0 }, { 0, 0 },
153  { 6, 8 }, { 1, 7 }, { 0, 3 }, { 2, 5 }, { 0, 2 }, },
154  { { 17, 21 }, { 68, 29 }, { 6, 15 }, { 13, 22 }, { 0, 0 },
155  { 6, 12 }, { 3, 14 }, { 4, 10 }, { 1, 7 }, { 0, 3 }, }, },
156  { { { 46, 42 }, { 0, 1 }, { 2, 10 }, { 54, 51 }, { 10, 30 },
157  { 0, 2 }, { 0, 2 }, { 0, 1 }, { 0, 1 }, { 0, 0 }, },
158  { { 159, 35 }, { 2, 2 }, { 0, 25 }, { 0, 0 }, { 0, 0 },
159  { 3, 6 }, { 0, 5 }, { 0, 1 }, { 4, 4 }, { 0, 1 }, },
160  { { 51, 39 }, { 0, 1 }, { 2, 12 }, { 91, 44 }, { 0, 0 },
161  { 0, 2 }, { 0, 3 }, { 0, 1 }, { 2, 3 }, { 0, 1 }, }, },
162  { { { 28, 32 }, { 0, 0 }, { 3, 10 }, { 75, 51 }, { 14, 33 },
163  { 0, 1 }, { 0, 2 }, { 0, 1 }, { 1, 2 }, { 0, 0 }, },
164  { { 75, 39 }, { 5, 7 }, { 2, 48 }, { 0, 0 }, { 0, 0 },
165  { 3, 11 }, { 2, 16 }, { 1, 4 }, { 7, 10 }, { 0, 2 }, },
166  { { 81, 25 }, { 0, 0 }, { 2, 9 }, { 106, 26 }, { 0, 0 },
167  { 0, 1 }, { 0, 1 }, { 0, 1 }, { 1, 1 }, { 0, 0 }, }, },
168  { { { 100, 46 }, { 0, 1 }, { 3, 9 }, { 21, 37 }, { 5, 20 },
169  { 0, 1 }, { 0, 2 }, { 1, 2 }, { 0, 1 }, { 0, 0 }, },
170  { { 212, 21 }, { 0, 1 }, { 0, 9 }, { 0, 0 }, { 0, 0 },
171  { 1, 2 }, { 0, 2 }, { 0, 0 }, { 2, 2 }, { 0, 0 }, },
172  { { 140, 37 }, { 0, 1 }, { 1, 8 }, { 24, 33 }, { 0, 0 },
173  { 1, 2 }, { 0, 2 }, { 0, 1 }, { 1, 2 }, { 0, 0 }, }, },
174  { { { 27, 29 }, { 0, 1 }, { 9, 25 }, { 53, 51 }, { 12, 34 },
175  { 0, 1 }, { 0, 3 }, { 1, 5 }, { 0, 2 }, { 0, 0 }, },
176  { { 4, 2 }, { 0, 0 }, { 0, 172 }, { 0, 0 }, { 0, 0 },
177  { 0, 1 }, { 0, 2 }, { 0, 0 }, { 2, 0 }, { 0, 0 }, },
178  { { 14, 23 }, { 1, 3 }, { 11, 53 }, { 90, 31 }, { 0, 0 },
179  { 0, 3 }, { 1, 5 }, { 2, 6 }, { 1, 2 }, { 0, 0 }, }, },
180  { { { 80, 38 }, { 0, 0 }, { 1, 4 }, { 69, 33 }, { 5, 16 },
181  { 0, 1 }, { 0, 1 }, { 0, 0 }, { 0, 1 }, { 0, 0 }, },
182  { { 187, 22 }, { 1, 1 }, { 0, 17 }, { 0, 0 }, { 0, 0 },
183  { 3, 6 }, { 0, 4 }, { 0, 1 }, { 4, 4 }, { 0, 1 }, },
184  { { 123, 29 }, { 0, 0 }, { 1, 7 }, { 57, 30 }, { 0, 0 },
185  { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 0 }, }, },
186  { { { 16, 20 }, { 0, 0 }, { 2, 8 }, { 104, 49 }, { 15, 33 },
187  { 0, 1 }, { 0, 1 }, { 0, 1 }, { 1, 1 }, { 0, 0 }, },
188  { { 133, 6 }, { 1, 2 }, { 1, 70 }, { 0, 0 }, { 0, 0 },
189  { 0, 2 }, { 0, 4 }, { 0, 3 }, { 1, 1 }, { 0, 0 }, },
190  { { 13, 14 }, { 0, 0 }, { 4, 20 }, { 175, 20 }, { 0, 0 },
191  { 0, 1 }, { 0, 1 }, { 0, 1 }, { 1, 1 }, { 0, 0 }, }, },
192  { { { 194, 16 }, { 0, 0 }, { 1, 1 }, { 1, 9 }, { 1, 3 },
193  { 0, 0 }, { 0, 1 }, { 0, 1 }, { 0, 0 }, { 0, 0 }, },
194  { { 251, 1 }, { 0, 0 }, { 0, 2 }, { 0, 0 }, { 0, 0 },
195  { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, },
196  { { 202, 23 }, { 0, 0 }, { 1, 3 }, { 2, 9 }, { 0, 0 },
197  { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 0 }, { 0, 0 }, }, },
198 };
199 
200 static const uint8_t vp56_filter_threshold[] = {
201  14, 14, 13, 13, 12, 12, 10, 10,
202  10, 10, 8, 8, 8, 8, 8, 8,
203  8, 8, 8, 8, 8, 8, 8, 8,
204  8, 8, 8, 8, 8, 8, 8, 8,
205  8, 8, 8, 8, 7, 7, 7, 7,
206  7, 7, 6, 6, 6, 6, 6, 6,
207  5, 5, 5, 5, 4, 4, 4, 4,
208  4, 4, 4, 3, 3, 3, 3, 2,
209 };
210 
211 static const uint8_t vp56_mb_type_model_model[] = {
212  171, 83, 199, 140, 125, 104,
213 };
214 
215 static const VP56Tree vp56_pmbtm_tree[] = {
216  { 4, 0},
217  { 2, 1}, {-8}, {-4},
218  { 8, 2},
219  { 6, 3},
220  { 4, 4},
221  { 2, 5}, {-24}, {-20}, {-16}, {-12}, {-0},
222 };
223 
224 static const VP56Tree vp56_pmbt_tree[] = {
225  { 8, 1},
226  { 4, 2},
227  { 2, 4}, {-VP56_MB_INTER_NOVEC_PF}, {-VP56_MB_INTER_DELTA_PF},
228  { 2, 5}, {-VP56_MB_INTER_V1_PF}, {-VP56_MB_INTER_V2_PF},
229  { 4, 3},
230  { 2, 6}, {-VP56_MB_INTRA}, {-VP56_MB_INTER_4V},
231  { 4, 7},
232  { 2, 8}, {-VP56_MB_INTER_NOVEC_GF}, {-VP56_MB_INTER_DELTA_GF},
233  { 2, 9}, {-VP56_MB_INTER_V1_GF}, {-VP56_MB_INTER_V2_GF},
234 };
235 
236 /* relative pos of surrounding blocks, from closest to farthest */
237 static const int8_t vp56_candidate_predictor_pos[12][2] = {
238  { 0, -1 },
239  { -1, 0 },
240  { -1, -1 },
241  { 1, -1 },
242  { 0, -2 },
243  { -2, 0 },
244  { -2, -1 },
245  { -1, -2 },
246  { 1, -2 },
247  { 2, -1 },
248  { -2, -2 },
249  { 2, -2 },
250 };
251 
252 #endif /* AVCODEC_VP56DATA_H */
VP56_MB_INTER_V1_PF
Inter MB, first vector, from previous frame.
Definition: vp56data.h:43
VP56_MB_INTRA
Intra MB.
Definition: vp56data.h:41
ff_vp56_coeff_bias
const uint8_t ff_vp56_coeff_bias[]
Definition: vp56data.c:67
ff_vp56_coeff_parse_table
const uint8_t ff_vp56_coeff_parse_table[6][11]
Definition: vp56data.c:31
uint8_t
uint8_t
Definition: audio_convert.c:194
vp56_mb_type_model_model
static const uint8_t vp56_mb_type_model_model[]
Definition: vp56data.h:211
VP56Tree
struct VP56Tree VP56Tree
VP56Frame
VP56Frame
Definition: vp56data.h:31
ff_vp56_pva_tree
const VP56Tree ff_vp56_pva_tree[]
Definition: vp56data.c:49
VP56_MB_INTER_V2_GF
Inter MB, second vector, from golden frame.
Definition: vp56data.h:49
VP56_MB_INTER_V1_GF
Inter MB, first vector, from golden frame.
Definition: vp56data.h:48
vp56_pmbt_tree
static const VP56Tree vp56_pmbt_tree[]
Definition: vp56data.h:224
vp56_pre_def_mb_type_stats
static const uint8_t vp56_pre_def_mb_type_stats[16][3][10][2]
Definition: vp56data.h:101
vp56_reference_frame
static const VP56Frame vp56_reference_frame[]
Definition: vp56data.h:66
vp56_filter_threshold
static const uint8_t vp56_filter_threshold[]
Definition: vp56data.h:200
ff_vp56_b6to4
const uint8_t ff_vp56_b6to4[]
Definition: vp56data.c:29
VP56Tree::prob_idx
int8_t prob_idx
Definition: vp56data.h:54
vp56_pmbtm_tree
static const VP56Tree vp56_pmbtm_tree[]
Definition: vp56data.h:215
VP56_MB_INTER_4V
Inter MB, 4 vectors, from previous frame.
Definition: vp56data.h:47
vp56_ac_dequant
static const uint8_t vp56_ac_dequant[64]
Definition: vp56data.h:79
VP56_MB_INTER_NOVEC_PF
Inter MB, no vector, from previous frame.
Definition: vp56data.h:40
vp56_dc_dequant
static const uint8_t vp56_dc_dequant[64]
Definition: vp56data.h:90
VP56_MB_INTER_V2_PF
Inter MB, second vector, from previous frame.
Definition: vp56data.h:44
VP56_MB_INTER_DELTA_GF
Inter MB, above/left vector + delta, from golden frame.
Definition: vp56data.h:46
VP56Tree::val
int8_t val
Definition: vp56data.h:53
ff_vp56_pc_tree
const VP56Tree ff_vp56_pc_tree[]
Definition: vp56data.c:59
VP56_MB_INTER_NOVEC_GF
Inter MB, no vector, from golden frame.
Definition: vp56data.h:45
common.h
common internal and external API header
ff_vp56_coeff_bit_length
const uint8_t ff_vp56_coeff_bit_length[]
Definition: vp56data.c:68
VP56mb
VP56mb
Definition: vp56data.h:39
VP56_MB_INTER_DELTA_PF
Inter MB, above/left vector + delta, from previous frame.
Definition: vp56data.h:42
ff_vp56_def_mb_types_stats
const uint8_t ff_vp56_def_mb_types_stats[3][10][2]
Definition: vp56data.c:40
ff_vp56_b2p
const uint8_t ff_vp56_b2p[]
Definition: vp56data.c:28
vp56_candidate_predictor_pos
static const int8_t vp56_candidate_predictor_pos[12][2]
Definition: vp56data.h:237
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