FFmpeg
Loading...
Searching...
No Matches
vp56data.c
Go to the documentation of this file.
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#include "vp56data.h"
27
28const uint8_t ff_vp56_b2p[] = { 0, 0, 0, 0, 1, 2, 3, 3, 3, 3 };
29const uint8_t ff_vp56_b6to4[] = { 0, 0, 1, 1, 2, 3 };
30
31const uint8_t ff_vp56_coeff_parse_table[6][11] = {
32 { 159, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
33 { 145, 165, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
34 { 140, 148, 173, 0, 0, 0, 0, 0, 0, 0, 0 },
35 { 135, 140, 155, 176, 0, 0, 0, 0, 0, 0, 0 },
36 { 130, 134, 141, 157, 180, 0, 0, 0, 0, 0, 0 },
37 { 129, 130, 133, 140, 153, 177, 196, 230, 243, 254, 254 },
38};
39
40const uint8_t ff_vp56_def_mb_types_stats[3][10][2] = {
41 { { 69, 42 }, { 1, 2 }, { 1, 7 }, { 44, 42 }, { 6, 22 },
42 { 1, 3 }, { 0, 2 }, { 1, 5 }, { 0, 1 }, { 0, 0 }, },
43 { { 229, 8 }, { 1, 1 }, { 0, 8 }, { 0, 0 }, { 0, 0 },
44 { 1, 2 }, { 0, 1 }, { 0, 0 }, { 1, 1 }, { 0, 0 }, },
45 { { 122, 35 }, { 1, 1 }, { 1, 6 }, { 46, 34 }, { 0, 0 },
46 { 1, 2 }, { 0, 1 }, { 0, 1 }, { 1, 1 }, { 0, 0 }, },
47};
48
49const VP56Tree ff_vp56_pva_tree[] = {
50 { 8, 0},
51 { 4, 1},
52 { 2, 2}, {-0}, {-1},
53 { 2, 3}, {-2}, {-3},
54 { 4, 4},
55 { 2, 5}, {-4}, {-5},
56 { 2, 6}, {-6}, {-7},
57};
58
59const VP56Tree ff_vp56_pc_tree[] = {
60 { 4, 6},
61 { 2, 7}, {-0}, {-1},
62 { 4, 8},
63 { 2, 9}, {-2}, {-3},
64 { 2,10}, {-4}, {-5},
65};
66
67const uint8_t ff_vp56_coeff_bias[] = { 0, 1, 2, 3, 4, 5, 7, 11, 19, 35, 67 };
68const uint8_t ff_vp56_coeff_bit_length[] = { 0, 1, 2, 3, 4, 10 };
69
70const VP56Frame ff_vp56_reference_frame[] = {
71 VP56_FRAME_PREVIOUS, /* VP56_MB_INTER_NOVEC_PF */
72 VP56_FRAME_CURRENT, /* VP56_MB_INTRA */
73 VP56_FRAME_PREVIOUS, /* VP56_MB_INTER_DELTA_PF */
74 VP56_FRAME_PREVIOUS, /* VP56_MB_INTER_V1_PF */
75 VP56_FRAME_PREVIOUS, /* VP56_MB_INTER_V2_PF */
76 VP56_FRAME_GOLDEN, /* VP56_MB_INTER_NOVEC_GF */
77 VP56_FRAME_GOLDEN, /* VP56_MB_INTER_DELTA_GF */
78 VP56_FRAME_PREVIOUS, /* VP56_MB_INTER_4V */
79 VP56_FRAME_GOLDEN, /* VP56_MB_INTER_V1_GF */
80 VP56_FRAME_GOLDEN, /* VP56_MB_INTER_V2_GF */
81};
82
83const uint8_t ff_vp56_ac_dequant[64] = {
84 94, 92, 90, 88, 86, 82, 78, 74,
85 70, 66, 62, 58, 54, 53, 52, 51,
86 50, 49, 48, 47, 46, 45, 44, 43,
87 42, 40, 39, 37, 36, 35, 34, 33,
88 32, 31, 30, 29, 28, 27, 26, 25,
89 24, 23, 22, 21, 20, 19, 18, 17,
90 16, 15, 14, 13, 12, 11, 10, 9,
91 8, 7, 6, 5, 4, 3, 2, 1,
92};
93
94const uint8_t ff_vp56_dc_dequant[64] = {
95 47, 47, 47, 47, 45, 43, 43, 43,
96 43, 43, 42, 41, 41, 40, 40, 40,
97 40, 35, 35, 35, 35, 33, 33, 33,
98 33, 32, 32, 32, 27, 27, 26, 26,
99 25, 25, 24, 24, 23, 23, 19, 19,
100 19, 19, 18, 18, 17, 16, 16, 16,
101 16, 16, 15, 11, 11, 11, 10, 10,
102 9, 8, 7, 5, 3, 3, 2, 2,
103};
104
105const uint8_t ff_vp56_pre_def_mb_type_stats[16][3][10][2] = {
106 { { { 9, 15 }, { 32, 25 }, { 7, 19 }, { 9, 21 }, { 1, 12 },
107 { 14, 12 }, { 3, 18 }, { 14, 23 }, { 3, 10 }, { 0, 4 }, },
108 { { 41, 22 }, { 1, 0 }, { 1, 31 }, { 0, 0 }, { 0, 0 },
109 { 0, 1 }, { 1, 7 }, { 0, 1 }, { 98, 25 }, { 4, 10 }, },
110 { { 2, 3 }, { 2, 3 }, { 0, 2 }, { 0, 2 }, { 0, 0 },
111 { 11, 4 }, { 1, 4 }, { 0, 2 }, { 3, 2 }, { 0, 4 }, }, },
112 { { { 48, 39 }, { 1, 2 }, { 11, 27 }, { 29, 44 }, { 7, 27 },
113 { 1, 4 }, { 0, 3 }, { 1, 6 }, { 1, 2 }, { 0, 0 }, },
114 { { 123, 37 }, { 6, 4 }, { 1, 27 }, { 0, 0 }, { 0, 0 },
115 { 5, 8 }, { 1, 7 }, { 0, 1 }, { 12, 10 }, { 0, 2 }, },
116 { { 49, 46 }, { 3, 4 }, { 7, 31 }, { 42, 41 }, { 0, 0 },
117 { 2, 6 }, { 1, 7 }, { 1, 4 }, { 2, 4 }, { 0, 1 }, }, },
118 { { { 21, 32 }, { 1, 2 }, { 4, 10 }, { 32, 43 }, { 6, 23 },
119 { 2, 3 }, { 1, 19 }, { 1, 6 }, { 12, 21 }, { 0, 7 }, },
120 { { 26, 14 }, { 14, 12 }, { 0, 24 }, { 0, 0 }, { 0, 0 },
121 { 55, 17 }, { 1, 9 }, { 0, 36 }, { 5, 7 }, { 1, 3 }, },
122 { { 26, 25 }, { 1, 1 }, { 2, 10 }, { 67, 39 }, { 0, 0 },
123 { 1, 1 }, { 0, 14 }, { 0, 2 }, { 31, 26 }, { 1, 6 }, }, },
124 { { { 69, 83 }, { 0, 0 }, { 0, 2 }, { 10, 29 }, { 3, 12 },
125 { 0, 1 }, { 0, 3 }, { 0, 3 }, { 2, 2 }, { 0, 0 }, },
126 { { 209, 5 }, { 0, 0 }, { 0, 27 }, { 0, 0 }, { 0, 0 },
127 { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 0 }, { 0, 0 }, },
128 { { 103, 46 }, { 1, 2 }, { 2, 10 }, { 33, 42 }, { 0, 0 },
129 { 1, 4 }, { 0, 3 }, { 0, 1 }, { 1, 3 }, { 0, 0 }, }, },
130 { { { 11, 20 }, { 1, 4 }, { 18, 36 }, { 43, 48 }, { 13, 35 },
131 { 0, 2 }, { 0, 5 }, { 3, 12 }, { 1, 2 }, { 0, 0 }, },
132 { { 2, 5 }, { 4, 5 }, { 0, 121 }, { 0, 0 }, { 0, 0 },
133 { 0, 3 }, { 2, 4 }, { 1, 4 }, { 2, 2 }, { 0, 1 }, },
134 { { 14, 31 }, { 9, 13 }, { 14, 54 }, { 22, 29 }, { 0, 0 },
135 { 2, 6 }, { 4, 18 }, { 6, 13 }, { 1, 5 }, { 0, 1 }, }, },
136 { { { 70, 44 }, { 0, 1 }, { 2, 10 }, { 37, 46 }, { 8, 26 },
137 { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 1 }, { 0, 0 }, },
138 { { 175, 5 }, { 0, 1 }, { 0, 48 }, { 0, 0 }, { 0, 0 },
139 { 0, 2 }, { 0, 1 }, { 0, 2 }, { 0, 1 }, { 0, 0 }, },
140 { { 85, 39 }, { 0, 0 }, { 1, 9 }, { 69, 40 }, { 0, 0 },
141 { 0, 1 }, { 0, 3 }, { 0, 1 }, { 2, 3 }, { 0, 0 }, }, },
142 { { { 8, 15 }, { 0, 1 }, { 8, 21 }, { 74, 53 }, { 22, 42 },
143 { 0, 1 }, { 0, 2 }, { 0, 3 }, { 1, 2 }, { 0, 0 }, },
144 { { 83, 5 }, { 2, 3 }, { 0, 102 }, { 0, 0 }, { 0, 0 },
145 { 1, 3 }, { 0, 2 }, { 0, 1 }, { 0, 0 }, { 0, 0 }, },
146 { { 31, 28 }, { 0, 0 }, { 3, 14 }, { 130, 34 }, { 0, 0 },
147 { 0, 1 }, { 0, 3 }, { 0, 1 }, { 3, 3 }, { 0, 1 }, }, },
148 { { { 141, 42 }, { 0, 0 }, { 1, 4 }, { 11, 24 }, { 1, 11 },
149 { 0, 1 }, { 0, 1 }, { 0, 2 }, { 0, 0 }, { 0, 0 }, },
150 { { 233, 6 }, { 0, 0 }, { 0, 8 }, { 0, 0 }, { 0, 0 },
151 { 0, 1 }, { 0, 1 }, { 0, 0 }, { 0, 1 }, { 0, 0 }, },
152 { { 171, 25 }, { 0, 0 }, { 1, 5 }, { 25, 21 }, { 0, 0 },
153 { 0, 1 }, { 0, 1 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, }, },
154 { { { 8, 19 }, { 4, 10 }, { 24, 45 }, { 21, 37 }, { 9, 29 },
155 { 0, 3 }, { 1, 7 }, { 11, 25 }, { 0, 2 }, { 0, 1 }, },
156 { { 34, 16 }, { 112, 21 }, { 1, 28 }, { 0, 0 }, { 0, 0 },
157 { 6, 8 }, { 1, 7 }, { 0, 3 }, { 2, 5 }, { 0, 2 }, },
158 { { 17, 21 }, { 68, 29 }, { 6, 15 }, { 13, 22 }, { 0, 0 },
159 { 6, 12 }, { 3, 14 }, { 4, 10 }, { 1, 7 }, { 0, 3 }, }, },
160 { { { 46, 42 }, { 0, 1 }, { 2, 10 }, { 54, 51 }, { 10, 30 },
161 { 0, 2 }, { 0, 2 }, { 0, 1 }, { 0, 1 }, { 0, 0 }, },
162 { { 159, 35 }, { 2, 2 }, { 0, 25 }, { 0, 0 }, { 0, 0 },
163 { 3, 6 }, { 0, 5 }, { 0, 1 }, { 4, 4 }, { 0, 1 }, },
164 { { 51, 39 }, { 0, 1 }, { 2, 12 }, { 91, 44 }, { 0, 0 },
165 { 0, 2 }, { 0, 3 }, { 0, 1 }, { 2, 3 }, { 0, 1 }, }, },
166 { { { 28, 32 }, { 0, 0 }, { 3, 10 }, { 75, 51 }, { 14, 33 },
167 { 0, 1 }, { 0, 2 }, { 0, 1 }, { 1, 2 }, { 0, 0 }, },
168 { { 75, 39 }, { 5, 7 }, { 2, 48 }, { 0, 0 }, { 0, 0 },
169 { 3, 11 }, { 2, 16 }, { 1, 4 }, { 7, 10 }, { 0, 2 }, },
170 { { 81, 25 }, { 0, 0 }, { 2, 9 }, { 106, 26 }, { 0, 0 },
171 { 0, 1 }, { 0, 1 }, { 0, 1 }, { 1, 1 }, { 0, 0 }, }, },
172 { { { 100, 46 }, { 0, 1 }, { 3, 9 }, { 21, 37 }, { 5, 20 },
173 { 0, 1 }, { 0, 2 }, { 1, 2 }, { 0, 1 }, { 0, 0 }, },
174 { { 212, 21 }, { 0, 1 }, { 0, 9 }, { 0, 0 }, { 0, 0 },
175 { 1, 2 }, { 0, 2 }, { 0, 0 }, { 2, 2 }, { 0, 0 }, },
176 { { 140, 37 }, { 0, 1 }, { 1, 8 }, { 24, 33 }, { 0, 0 },
177 { 1, 2 }, { 0, 2 }, { 0, 1 }, { 1, 2 }, { 0, 0 }, }, },
178 { { { 27, 29 }, { 0, 1 }, { 9, 25 }, { 53, 51 }, { 12, 34 },
179 { 0, 1 }, { 0, 3 }, { 1, 5 }, { 0, 2 }, { 0, 0 }, },
180 { { 4, 2 }, { 0, 0 }, { 0, 172 }, { 0, 0 }, { 0, 0 },
181 { 0, 1 }, { 0, 2 }, { 0, 0 }, { 2, 0 }, { 0, 0 }, },
182 { { 14, 23 }, { 1, 3 }, { 11, 53 }, { 90, 31 }, { 0, 0 },
183 { 0, 3 }, { 1, 5 }, { 2, 6 }, { 1, 2 }, { 0, 0 }, }, },
184 { { { 80, 38 }, { 0, 0 }, { 1, 4 }, { 69, 33 }, { 5, 16 },
185 { 0, 1 }, { 0, 1 }, { 0, 0 }, { 0, 1 }, { 0, 0 }, },
186 { { 187, 22 }, { 1, 1 }, { 0, 17 }, { 0, 0 }, { 0, 0 },
187 { 3, 6 }, { 0, 4 }, { 0, 1 }, { 4, 4 }, { 0, 1 }, },
188 { { 123, 29 }, { 0, 0 }, { 1, 7 }, { 57, 30 }, { 0, 0 },
189 { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 0 }, }, },
190 { { { 16, 20 }, { 0, 0 }, { 2, 8 }, { 104, 49 }, { 15, 33 },
191 { 0, 1 }, { 0, 1 }, { 0, 1 }, { 1, 1 }, { 0, 0 }, },
192 { { 133, 6 }, { 1, 2 }, { 1, 70 }, { 0, 0 }, { 0, 0 },
193 { 0, 2 }, { 0, 4 }, { 0, 3 }, { 1, 1 }, { 0, 0 }, },
194 { { 13, 14 }, { 0, 0 }, { 4, 20 }, { 175, 20 }, { 0, 0 },
195 { 0, 1 }, { 0, 1 }, { 0, 1 }, { 1, 1 }, { 0, 0 }, }, },
196 { { { 194, 16 }, { 0, 0 }, { 1, 1 }, { 1, 9 }, { 1, 3 },
197 { 0, 0 }, { 0, 1 }, { 0, 1 }, { 0, 0 }, { 0, 0 }, },
198 { { 251, 1 }, { 0, 0 }, { 0, 2 }, { 0, 0 }, { 0, 0 },
199 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, },
200 { { 202, 23 }, { 0, 0 }, { 1, 3 }, { 2, 9 }, { 0, 0 },
201 { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 0 }, { 0, 0 }, }, },
202};
203
204const uint8_t ff_vp56_filter_threshold[] = {
205 14, 14, 13, 13, 12, 12, 10, 10,
206 10, 10, 8, 8, 8, 8, 8, 8,
207 8, 8, 8, 8, 8, 8, 8, 8,
208 8, 8, 8, 8, 8, 8, 8, 8,
209 8, 8, 8, 8, 7, 7, 7, 7,
210 7, 7, 6, 6, 6, 6, 6, 6,
211 5, 5, 5, 5, 4, 4, 4, 4,
212 4, 4, 4, 3, 3, 3, 3, 2,
213};
214
215const uint8_t ff_vp56_mb_type_model_model[] = {
216 171, 83, 199, 140, 125, 104,
217};
218
219const VP56Tree ff_vp56_pmbtm_tree[] = {
220 { 4, 0},
221 { 2, 1}, {-8}, {-4},
222 { 8, 2},
223 { 6, 3},
224 { 4, 4},
225 { 2, 5}, {-24}, {-20}, {-16}, {-12}, {-0},
226};
227
228const VP56Tree ff_vp56_pmbt_tree[] = {
229 { 8, 1},
230 { 4, 2},
231 { 2, 4}, {-VP56_MB_INTER_NOVEC_PF}, {-VP56_MB_INTER_DELTA_PF},
232 { 2, 5}, {-VP56_MB_INTER_V1_PF}, {-VP56_MB_INTER_V2_PF},
233 { 4, 3},
234 { 2, 6}, {-VP56_MB_INTRA}, {-VP56_MB_INTER_4V},
235 { 4, 7},
236 { 2, 8}, {-VP56_MB_INTER_NOVEC_GF}, {-VP56_MB_INTER_DELTA_GF},
237 { 2, 9}, {-VP56_MB_INTER_V1_GF}, {-VP56_MB_INTER_V2_GF},
238};
239
240/* relative pos of surrounding blocks, from closest to farthest */
241const int8_t ff_vp56_candidate_predictor_pos[12][2] = {
242 { 0, -1 },
243 { -1, 0 },
244 { -1, -1 },
245 { 1, -1 },
246 { 0, -2 },
247 { -2, 0 },
248 { -2, -1 },
249 { -1, -2 },
250 { 1, -2 },
251 { 2, -1 },
252 { -2, -2 },
253 { 2, -2 },
254};
VP56_MB_INTER_V1_PF
@ VP56_MB_INTER_V1_PF
Inter MB, first vector, from previous frame.
Definition vp56.h:53
VP56_MB_INTER_DELTA_PF
@ VP56_MB_INTER_DELTA_PF
Inter MB, above/left vector + delta, from previous frame.
Definition vp56.h:52
VP56_MB_INTER_DELTA_GF
@ VP56_MB_INTER_DELTA_GF
Inter MB, above/left vector + delta, from golden frame.
Definition vp56.h:56
VP56_MB_INTER_V2_PF
@ VP56_MB_INTER_V2_PF
Inter MB, second vector, from previous frame.
Definition vp56.h:54
VP56_MB_INTER_V2_GF
@ VP56_MB_INTER_V2_GF
Inter MB, second vector, from golden frame.
Definition vp56.h:59
VP56_MB_INTER_V1_GF
@ VP56_MB_INTER_V1_GF
Inter MB, first vector, from golden frame.
Definition vp56.h:58
VP56_MB_INTER_4V
@ VP56_MB_INTER_4V
Inter MB, 4 vectors, from previous frame.
Definition vp56.h:57
VP56_MB_INTER_NOVEC_GF
@ VP56_MB_INTER_NOVEC_GF
Inter MB, no vector, from golden frame.
Definition vp56.h:55
VP56_MB_INTRA
@ VP56_MB_INTRA
Intra MB.
Definition vp56.h:51
VP56_MB_INTER_NOVEC_PF
@ VP56_MB_INTER_NOVEC_PF
Inter MB, no vector, from previous frame.
Definition vp56.h:50
VP56Frame
VP56Frame
Definition vp56.h:42
VP56_FRAME_GOLDEN
@ VP56_FRAME_GOLDEN
Definition vp56.h:46
VP56_FRAME_CURRENT
@ VP56_FRAME_CURRENT
Definition vp56.h:44
VP56_FRAME_PREVIOUS
@ VP56_FRAME_PREVIOUS
Definition vp56.h:45
ff_vp56_pmbt_tree
const VP56Tree ff_vp56_pmbt_tree[]
Definition vp56data.c:228
ff_vp56_candidate_predictor_pos
const int8_t ff_vp56_candidate_predictor_pos[12][2]
Definition vp56data.c:241
ff_vp56_b2p
const uint8_t ff_vp56_b2p[]
Definition vp56data.c:28
ff_vp56_pre_def_mb_type_stats
const uint8_t ff_vp56_pre_def_mb_type_stats[16][3][10][2]
Definition vp56data.c:105
ff_vp56_pva_tree
const VP56Tree ff_vp56_pva_tree[]
Definition vp56data.c:49
ff_vp56_mb_type_model_model
const uint8_t ff_vp56_mb_type_model_model[]
Definition vp56data.c:215
ff_vp56_def_mb_types_stats
const uint8_t ff_vp56_def_mb_types_stats[3][10][2]
Definition vp56data.c:40
ff_vp56_reference_frame
const VP56Frame ff_vp56_reference_frame[]
Definition vp56data.c:70
ff_vp56_b6to4
const uint8_t ff_vp56_b6to4[]
Definition vp56data.c:29
ff_vp56_coeff_bias
const uint8_t ff_vp56_coeff_bias[]
Definition vp56data.c:67
ff_vp56_coeff_bit_length
const uint8_t ff_vp56_coeff_bit_length[]
Definition vp56data.c:68
ff_vp56_coeff_parse_table
const uint8_t ff_vp56_coeff_parse_table[6][11]
Definition vp56data.c:31
ff_vp56_pc_tree
const VP56Tree ff_vp56_pc_tree[]
Definition vp56data.c:59
ff_vp56_ac_dequant
const uint8_t ff_vp56_ac_dequant[64]
Definition vp56data.c:83
ff_vp56_dc_dequant
const uint8_t ff_vp56_dc_dequant[64]
Definition vp56data.c:94
ff_vp56_pmbtm_tree
const VP56Tree ff_vp56_pmbtm_tree[]
Definition vp56data.c:219
ff_vp56_filter_threshold
const uint8_t ff_vp56_filter_threshold[]
Definition vp56data.c:204
vp56data.h
VP5 and VP6 compatible video decoder (common data)
Generated on Wed Aug 26 2026 19:21:12 for FFmpeg by doxygen 1.13.2