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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 | #include "vp56data.h" | |
27 | ||
28 | const uint8_t ff_vp56_b2p[] = { 0, 0, 0, 0, 1, 2, 3, 3, 3, 3 }; | |
29 | const uint8_t ff_vp56_b6to4[] = { 0, 0, 1, 1, 2, 3 }; | |
30 | ||
31 | const 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 | ||
40 | const 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 | ||
49 | const 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 | ||
59 | const 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 | ||
67 | const uint8_t ff_vp56_coeff_bias[] = { 0, 1, 2, 3, 4, 5, 7, 11, 19, 35, 67 }; | |
68 | const uint8_t ff_vp56_coeff_bit_length[] = { 0, 1, 2, 3, 4, 10 }; | |
69 | ||
70 | const 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 | ||
83 | const 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 | ||
94 | const 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 | ||
105 | const 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 | ||
204 | const 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 | ||
215 | const uint8_t ff_vp56_mb_type_model_model[] = { | |
216 | 171, 83, 199, 140, 125, 104, | |
217 | }; | |
218 | ||
219 | const 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 | ||
228 | const 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 */ | |
241 | const 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 | }; |