1 /* 2 * Bluetooth low-complexity, subband codec (SBC) 3 * 4 * Copyright (C) 2017 Aurelien Jacobs <aurel@gnuage.org> 5 * Copyright (C) 2008-2010 Nokia Corporation 6 * Copyright (C) 2004-2010 Marcel Holtmann <marcel@holtmann.org> 7 * Copyright (C) 2004-2005 Henryk Ploetz <henryk@ploetzli.ch> 8 * Copyright (C) 2005-2006 Brad Midgley <bmidgley@xmission.com> 9 * 10 * This file is part of FFmpeg. 11 * 12 * FFmpeg is free software; you can redistribute it and/or 13 * modify it under the terms of the GNU Lesser General Public 14 * License as published by the Free Software Foundation; either 15 * version 2.1 of the License, or (at your option) any later version. 16 * 17 * FFmpeg is distributed in the hope that it will be useful, 18 * but WITHOUT ANY WARRANTY; without even the implied warranty of 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 20 * Lesser General Public License for more details. 21 * 22 * You should have received a copy of the GNU Lesser General Public 23 * License along with FFmpeg; if not, write to the Free Software 24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 25 */ 26 27 /** 28 * @file 29 * miscellaneous SBC tables 30 */ 31 32 #include "sbcdsp_data.h" 33 34 #define F_PROTO(x) ((int32_t) (((x) * 2) * ((int32_t) 1 << 15) + 0.5)) 35 #define F_COS(x) ((int32_t) (((x) ) * ((int32_t) 1 << 15) + 0.5)) 36 37 /* 38 * Constant tables for the use in SIMD optimized analysis filters 39 * Each table consists of two parts: 40 * 1. reordered "proto" table 41 * 2. reordered "cos" table 42 * 43 * Due to non-symmetrical reordering, separate tables for "even" 44 * and "odd" cases are needed 45 */ 46 47 DECLARE_ALIGNED(SBC_ALIGN, const int16_t, ff_sbcdsp_analysis_consts_fixed4_simd_even)[40 + 16] = { 48 #define C0 1.0932568993 49 #define C1 1.3056875580 50 #define C2 1.3056875580 51 #define C3 1.6772280856 52 53 #define F(x) F_PROTO(x) 54 F(0.00000000E+00 * C0), F(3.83720193E-03 * C0), 55 F(5.36548976E-04 * C1), F(2.73370904E-03 * C1), 56 F(3.06012286E-03 * C2), F(3.89205149E-03 * C2), 57 F(0.00000000E+00 * C3), -F(1.49188357E-03 * C3), 58 F(1.09137620E-02 * C0), F(2.58767811E-02 * C0), 59 F(2.04385087E-02 * C1), F(3.21939290E-02 * C1), 60 F(7.76463494E-02 * C2), F(6.13245186E-03 * C2), 61 F(0.00000000E+00 * C3), -F(2.88757392E-02 * C3), 62 F(1.35593274E-01 * C0), F(2.94315332E-01 * C0), 63 F(1.94987841E-01 * C1), F(2.81828203E-01 * C1), 64 -F(1.94987841E-01 * C2), F(2.81828203E-01 * C2), 65 F(0.00000000E+00 * C3), -F(2.46636662E-01 * C3), 66 -F(1.35593274E-01 * C0), F(2.58767811E-02 * C0), 67 -F(7.76463494E-02 * C1), F(6.13245186E-03 * C1), 68 -F(2.04385087E-02 * C2), F(3.21939290E-02 * C2), 69 F(0.00000000E+00 * C3), F(2.88217274E-02 * C3), 70 -F(1.09137620E-02 * C0), F(3.83720193E-03 * C0), 71 -F(3.06012286E-03 * C1), F(3.89205149E-03 * C1), 72 -F(5.36548976E-04 * C2), F(2.73370904E-03 * C2), 73 F(0.00000000E+00 * C3), -F(1.86581691E-03 * C3), 74 #undef F 75 #define F(x) F_COS(x) 76 F(0.7071067812 / C0), F(0.9238795325 / C1), 77 -F(0.7071067812 / C0), F(0.3826834324 / C1), 78 -F(0.7071067812 / C0), -F(0.3826834324 / C1), 79 F(0.7071067812 / C0), -F(0.9238795325 / C1), 80 F(0.3826834324 / C2), -F(1.0000000000 / C3), 81 -F(0.9238795325 / C2), -F(1.0000000000 / C3), 82 F(0.9238795325 / C2), -F(1.0000000000 / C3), 83 -F(0.3826834324 / C2), -F(1.0000000000 / C3), 84 #undef F 85 86 #undef C0 87 #undef C1 88 #undef C2 89 #undef C3 90 }; 91 92 DECLARE_ALIGNED(SBC_ALIGN, const int16_t, ff_sbcdsp_analysis_consts_fixed4_simd_odd)[40 + 16] = { 93 #define C0 1.3056875580 94 #define C1 1.6772280856 95 #define C2 1.0932568993 96 #define C3 1.3056875580 97 98 #define F(x) F_PROTO(x) 99 F(2.73370904E-03 * C0), F(5.36548976E-04 * C0), 100 -F(1.49188357E-03 * C1), F(0.00000000E+00 * C1), 101 F(3.83720193E-03 * C2), F(1.09137620E-02 * C2), 102 F(3.89205149E-03 * C3), F(3.06012286E-03 * C3), 103 F(3.21939290E-02 * C0), F(2.04385087E-02 * C0), 104 -F(2.88757392E-02 * C1), F(0.00000000E+00 * C1), 105 F(2.58767811E-02 * C2), F(1.35593274E-01 * C2), 106 F(6.13245186E-03 * C3), F(7.76463494E-02 * C3), 107 F(2.81828203E-01 * C0), F(1.94987841E-01 * C0), 108 -F(2.46636662E-01 * C1), F(0.00000000E+00 * C1), 109 F(2.94315332E-01 * C2), -F(1.35593274E-01 * C2), 110 F(2.81828203E-01 * C3), -F(1.94987841E-01 * C3), 111 F(6.13245186E-03 * C0), -F(7.76463494E-02 * C0), 112 F(2.88217274E-02 * C1), F(0.00000000E+00 * C1), 113 F(2.58767811E-02 * C2), -F(1.09137620E-02 * C2), 114 F(3.21939290E-02 * C3), -F(2.04385087E-02 * C3), 115 F(3.89205149E-03 * C0), -F(3.06012286E-03 * C0), 116 -F(1.86581691E-03 * C1), F(0.00000000E+00 * C1), 117 F(3.83720193E-03 * C2), F(0.00000000E+00 * C2), 118 F(2.73370904E-03 * C3), -F(5.36548976E-04 * C3), 119 #undef F 120 #define F(x) F_COS(x) 121 F(0.9238795325 / C0), -F(1.0000000000 / C1), 122 F(0.3826834324 / C0), -F(1.0000000000 / C1), 123 -F(0.3826834324 / C0), -F(1.0000000000 / C1), 124 -F(0.9238795325 / C0), -F(1.0000000000 / C1), 125 F(0.7071067812 / C2), F(0.3826834324 / C3), 126 -F(0.7071067812 / C2), -F(0.9238795325 / C3), 127 -F(0.7071067812 / C2), F(0.9238795325 / C3), 128 F(0.7071067812 / C2), -F(0.3826834324 / C3), 129 #undef F 130 131 #undef C0 132 #undef C1 133 #undef C2 134 #undef C3 135 }; 136 137 DECLARE_ALIGNED(SBC_ALIGN, const int16_t, ff_sbcdsp_analysis_consts_fixed8_simd_even)[80 + 64] = { 138 #define C0 2.7906148894 139 #define C1 2.4270044280 140 #define C2 2.8015616024 141 #define C3 3.1710363741 142 #define C4 2.5377944043 143 #define C5 2.4270044280 144 #define C6 2.8015616024 145 #define C7 3.1710363741 146 147 #define F(x) F_PROTO(x) 148 F(0.00000000E+00 * C0), F(2.01182542E-03 * C0), 149 F(1.56575398E-04 * C1), F(1.78371725E-03 * C1), 150 F(3.43256425E-04 * C2), F(1.47640169E-03 * C2), 151 F(5.54620202E-04 * C3), F(1.13992507E-03 * C3), 152 -F(8.23919506E-04 * C4), F(0.00000000E+00 * C4), 153 F(2.10371989E-03 * C5), F(3.49717454E-03 * C5), 154 F(1.99454554E-03 * C6), F(1.64973098E-03 * C6), 155 F(1.61656283E-03 * C7), F(1.78805361E-04 * C7), 156 F(5.65949473E-03 * C0), F(1.29371806E-02 * C0), 157 F(8.02941163E-03 * C1), F(1.53184106E-02 * C1), 158 F(1.04584443E-02 * C2), F(1.62208471E-02 * C2), 159 F(1.27472335E-02 * C3), F(1.59045603E-02 * C3), 160 -F(1.46525263E-02 * C4), F(0.00000000E+00 * C4), 161 F(8.85757540E-03 * C5), F(5.31873032E-02 * C5), 162 F(2.92408442E-03 * C6), F(3.90751381E-02 * C6), 163 -F(4.91578024E-03 * C7), F(2.61098752E-02 * C7), 164 F(6.79989431E-02 * C0), F(1.46955068E-01 * C0), 165 F(8.29847578E-02 * C1), F(1.45389847E-01 * C1), 166 F(9.75753918E-02 * C2), F(1.40753505E-01 * C2), 167 F(1.11196689E-01 * C3), F(1.33264415E-01 * C3), 168 -F(1.23264548E-01 * C4), F(0.00000000E+00 * C4), 169 F(1.45389847E-01 * C5), -F(8.29847578E-02 * C5), 170 F(1.40753505E-01 * C6), -F(9.75753918E-02 * C6), 171 F(1.33264415E-01 * C7), -F(1.11196689E-01 * C7), 172 -F(6.79989431E-02 * C0), F(1.29371806E-02 * C0), 173 -F(5.31873032E-02 * C1), F(8.85757540E-03 * C1), 174 -F(3.90751381E-02 * C2), F(2.92408442E-03 * C2), 175 -F(2.61098752E-02 * C3), -F(4.91578024E-03 * C3), 176 F(1.46404076E-02 * C4), F(0.00000000E+00 * C4), 177 F(1.53184106E-02 * C5), -F(8.02941163E-03 * C5), 178 F(1.62208471E-02 * C6), -F(1.04584443E-02 * C6), 179 F(1.59045603E-02 * C7), -F(1.27472335E-02 * C7), 180 -F(5.65949473E-03 * C0), F(2.01182542E-03 * C0), 181 -F(3.49717454E-03 * C1), F(2.10371989E-03 * C1), 182 -F(1.64973098E-03 * C2), F(1.99454554E-03 * C2), 183 -F(1.78805361E-04 * C3), F(1.61656283E-03 * C3), 184 -F(9.02154502E-04 * C4), F(0.00000000E+00 * C4), 185 F(1.78371725E-03 * C5), -F(1.56575398E-04 * C5), 186 F(1.47640169E-03 * C6), -F(3.43256425E-04 * C6), 187 F(1.13992507E-03 * C7), -F(5.54620202E-04 * C7), 188 #undef F 189 #define F(x) F_COS(x) 190 F(0.7071067812 / C0), F(0.8314696123 / C1), 191 -F(0.7071067812 / C0), -F(0.1950903220 / C1), 192 -F(0.7071067812 / C0), -F(0.9807852804 / C1), 193 F(0.7071067812 / C0), -F(0.5555702330 / C1), 194 F(0.7071067812 / C0), F(0.5555702330 / C1), 195 -F(0.7071067812 / C0), F(0.9807852804 / C1), 196 -F(0.7071067812 / C0), F(0.1950903220 / C1), 197 F(0.7071067812 / C0), -F(0.8314696123 / C1), 198 F(0.9238795325 / C2), F(0.9807852804 / C3), 199 F(0.3826834324 / C2), F(0.8314696123 / C3), 200 -F(0.3826834324 / C2), F(0.5555702330 / C3), 201 -F(0.9238795325 / C2), F(0.1950903220 / C3), 202 -F(0.9238795325 / C2), -F(0.1950903220 / C3), 203 -F(0.3826834324 / C2), -F(0.5555702330 / C3), 204 F(0.3826834324 / C2), -F(0.8314696123 / C3), 205 F(0.9238795325 / C2), -F(0.9807852804 / C3), 206 -F(1.0000000000 / C4), F(0.5555702330 / C5), 207 -F(1.0000000000 / C4), -F(0.9807852804 / C5), 208 -F(1.0000000000 / C4), F(0.1950903220 / C5), 209 -F(1.0000000000 / C4), F(0.8314696123 / C5), 210 -F(1.0000000000 / C4), -F(0.8314696123 / C5), 211 -F(1.0000000000 / C4), -F(0.1950903220 / C5), 212 -F(1.0000000000 / C4), F(0.9807852804 / C5), 213 -F(1.0000000000 / C4), -F(0.5555702330 / C5), 214 F(0.3826834324 / C6), F(0.1950903220 / C7), 215 -F(0.9238795325 / C6), -F(0.5555702330 / C7), 216 F(0.9238795325 / C6), F(0.8314696123 / C7), 217 -F(0.3826834324 / C6), -F(0.9807852804 / C7), 218 -F(0.3826834324 / C6), F(0.9807852804 / C7), 219 F(0.9238795325 / C6), -F(0.8314696123 / C7), 220 -F(0.9238795325 / C6), F(0.5555702330 / C7), 221 F(0.3826834324 / C6), -F(0.1950903220 / C7), 222 #undef F 223 224 #undef C0 225 #undef C1 226 #undef C2 227 #undef C3 228 #undef C4 229 #undef C5 230 #undef C6 231 #undef C7 232 }; 233 234 DECLARE_ALIGNED(SBC_ALIGN, const int16_t, ff_sbcdsp_analysis_consts_fixed8_simd_odd)[80 + 64] = { 235 #define C0 2.5377944043 236 #define C1 2.4270044280 237 #define C2 2.8015616024 238 #define C3 3.1710363741 239 #define C4 2.7906148894 240 #define C5 2.4270044280 241 #define C6 2.8015616024 242 #define C7 3.1710363741 243 244 #define F(x) F_PROTO(x) 245 F(0.00000000E+00 * C0), -F(8.23919506E-04 * C0), 246 F(1.56575398E-04 * C1), F(1.78371725E-03 * C1), 247 F(3.43256425E-04 * C2), F(1.47640169E-03 * C2), 248 F(5.54620202E-04 * C3), F(1.13992507E-03 * C3), 249 F(2.01182542E-03 * C4), F(5.65949473E-03 * C4), 250 F(2.10371989E-03 * C5), F(3.49717454E-03 * C5), 251 F(1.99454554E-03 * C6), F(1.64973098E-03 * C6), 252 F(1.61656283E-03 * C7), F(1.78805361E-04 * C7), 253 F(0.00000000E+00 * C0), -F(1.46525263E-02 * C0), 254 F(8.02941163E-03 * C1), F(1.53184106E-02 * C1), 255 F(1.04584443E-02 * C2), F(1.62208471E-02 * C2), 256 F(1.27472335E-02 * C3), F(1.59045603E-02 * C3), 257 F(1.29371806E-02 * C4), F(6.79989431E-02 * C4), 258 F(8.85757540E-03 * C5), F(5.31873032E-02 * C5), 259 F(2.92408442E-03 * C6), F(3.90751381E-02 * C6), 260 -F(4.91578024E-03 * C7), F(2.61098752E-02 * C7), 261 F(0.00000000E+00 * C0), -F(1.23264548E-01 * C0), 262 F(8.29847578E-02 * C1), F(1.45389847E-01 * C1), 263 F(9.75753918E-02 * C2), F(1.40753505E-01 * C2), 264 F(1.11196689E-01 * C3), F(1.33264415E-01 * C3), 265 F(1.46955068E-01 * C4), -F(6.79989431E-02 * C4), 266 F(1.45389847E-01 * C5), -F(8.29847578E-02 * C5), 267 F(1.40753505E-01 * C6), -F(9.75753918E-02 * C6), 268 F(1.33264415E-01 * C7), -F(1.11196689E-01 * C7), 269 F(0.00000000E+00 * C0), F(1.46404076E-02 * C0), 270 -F(5.31873032E-02 * C1), F(8.85757540E-03 * C1), 271 -F(3.90751381E-02 * C2), F(2.92408442E-03 * C2), 272 -F(2.61098752E-02 * C3), -F(4.91578024E-03 * C3), 273 F(1.29371806E-02 * C4), -F(5.65949473E-03 * C4), 274 F(1.53184106E-02 * C5), -F(8.02941163E-03 * C5), 275 F(1.62208471E-02 * C6), -F(1.04584443E-02 * C6), 276 F(1.59045603E-02 * C7), -F(1.27472335E-02 * C7), 277 F(0.00000000E+00 * C0), -F(9.02154502E-04 * C0), 278 -F(3.49717454E-03 * C1), F(2.10371989E-03 * C1), 279 -F(1.64973098E-03 * C2), F(1.99454554E-03 * C2), 280 -F(1.78805361E-04 * C3), F(1.61656283E-03 * C3), 281 F(2.01182542E-03 * C4), F(0.00000000E+00 * C4), 282 F(1.78371725E-03 * C5), -F(1.56575398E-04 * C5), 283 F(1.47640169E-03 * C6), -F(3.43256425E-04 * C6), 284 F(1.13992507E-03 * C7), -F(5.54620202E-04 * C7), 285 #undef F 286 #define F(x) F_COS(x) 287 -F(1.0000000000 / C0), F(0.8314696123 / C1), 288 -F(1.0000000000 / C0), -F(0.1950903220 / C1), 289 -F(1.0000000000 / C0), -F(0.9807852804 / C1), 290 -F(1.0000000000 / C0), -F(0.5555702330 / C1), 291 -F(1.0000000000 / C0), F(0.5555702330 / C1), 292 -F(1.0000000000 / C0), F(0.9807852804 / C1), 293 -F(1.0000000000 / C0), F(0.1950903220 / C1), 294 -F(1.0000000000 / C0), -F(0.8314696123 / C1), 295 F(0.9238795325 / C2), F(0.9807852804 / C3), 296 F(0.3826834324 / C2), F(0.8314696123 / C3), 297 -F(0.3826834324 / C2), F(0.5555702330 / C3), 298 -F(0.9238795325 / C2), F(0.1950903220 / C3), 299 -F(0.9238795325 / C2), -F(0.1950903220 / C3), 300 -F(0.3826834324 / C2), -F(0.5555702330 / C3), 301 F(0.3826834324 / C2), -F(0.8314696123 / C3), 302 F(0.9238795325 / C2), -F(0.9807852804 / C3), 303 F(0.7071067812 / C4), F(0.5555702330 / C5), 304 -F(0.7071067812 / C4), -F(0.9807852804 / C5), 305 -F(0.7071067812 / C4), F(0.1950903220 / C5), 306 F(0.7071067812 / C4), F(0.8314696123 / C5), 307 F(0.7071067812 / C4), -F(0.8314696123 / C5), 308 -F(0.7071067812 / C4), -F(0.1950903220 / C5), 309 -F(0.7071067812 / C4), F(0.9807852804 / C5), 310 F(0.7071067812 / C4), -F(0.5555702330 / C5), 311 F(0.3826834324 / C6), F(0.1950903220 / C7), 312 -F(0.9238795325 / C6), -F(0.5555702330 / C7), 313 F(0.9238795325 / C6), F(0.8314696123 / C7), 314 -F(0.3826834324 / C6), -F(0.9807852804 / C7), 315 -F(0.3826834324 / C6), F(0.9807852804 / C7), 316 F(0.9238795325 / C6), -F(0.8314696123 / C7), 317 -F(0.9238795325 / C6), F(0.5555702330 / C7), 318 F(0.3826834324 / C6), -F(0.1950903220 / C7), 319 #undef F 320 321 #undef C0 322 #undef C1 323 #undef C2 324 #undef C3 325 #undef C4 326 #undef C5 327 #undef C6 328 #undef C7 329 }; 330