| 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 | }; |