annotate src/opus-1.3/silk/tables_LTP.c @ 83:ae30d91d2ffe

Replace these with versions built using an older toolset (so as to avoid ABI compatibilities when linking on Ubuntu 14.04 for packaging purposes)
author Chris Cannam
date Fri, 07 Feb 2020 11:51:13 +0000
parents 7aeed7906520
children
rev   line source
Chris@69 1 /***********************************************************************
Chris@69 2 Copyright (c) 2006-2011, Skype Limited. All rights reserved.
Chris@69 3 Redistribution and use in source and binary forms, with or without
Chris@69 4 modification, are permitted provided that the following conditions
Chris@69 5 are met:
Chris@69 6 - Redistributions of source code must retain the above copyright notice,
Chris@69 7 this list of conditions and the following disclaimer.
Chris@69 8 - Redistributions in binary form must reproduce the above copyright
Chris@69 9 notice, this list of conditions and the following disclaimer in the
Chris@69 10 documentation and/or other materials provided with the distribution.
Chris@69 11 - Neither the name of Internet Society, IETF or IETF Trust, nor the
Chris@69 12 names of specific contributors, may be used to endorse or promote
Chris@69 13 products derived from this software without specific prior written
Chris@69 14 permission.
Chris@69 15 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
Chris@69 16 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
Chris@69 17 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
Chris@69 18 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
Chris@69 19 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
Chris@69 20 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
Chris@69 21 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
Chris@69 22 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
Chris@69 23 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
Chris@69 24 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
Chris@69 25 POSSIBILITY OF SUCH DAMAGE.
Chris@69 26 ***********************************************************************/
Chris@69 27
Chris@69 28 #ifdef HAVE_CONFIG_H
Chris@69 29 #include "config.h"
Chris@69 30 #endif
Chris@69 31
Chris@69 32 #include "tables.h"
Chris@69 33
Chris@69 34 const opus_uint8 silk_LTP_per_index_iCDF[3] = {
Chris@69 35 179, 99, 0
Chris@69 36 };
Chris@69 37
Chris@69 38 static const opus_uint8 silk_LTP_gain_iCDF_0[8] = {
Chris@69 39 71, 56, 43, 30, 21, 12, 6, 0
Chris@69 40 };
Chris@69 41
Chris@69 42 static const opus_uint8 silk_LTP_gain_iCDF_1[16] = {
Chris@69 43 199, 165, 144, 124, 109, 96, 84, 71,
Chris@69 44 61, 51, 42, 32, 23, 15, 8, 0
Chris@69 45 };
Chris@69 46
Chris@69 47 static const opus_uint8 silk_LTP_gain_iCDF_2[32] = {
Chris@69 48 241, 225, 211, 199, 187, 175, 164, 153,
Chris@69 49 142, 132, 123, 114, 105, 96, 88, 80,
Chris@69 50 72, 64, 57, 50, 44, 38, 33, 29,
Chris@69 51 24, 20, 16, 12, 9, 5, 2, 0
Chris@69 52 };
Chris@69 53
Chris@69 54 static const opus_uint8 silk_LTP_gain_BITS_Q5_0[8] = {
Chris@69 55 15, 131, 138, 138, 155, 155, 173, 173
Chris@69 56 };
Chris@69 57
Chris@69 58 static const opus_uint8 silk_LTP_gain_BITS_Q5_1[16] = {
Chris@69 59 69, 93, 115, 118, 131, 138, 141, 138,
Chris@69 60 150, 150, 155, 150, 155, 160, 166, 160
Chris@69 61 };
Chris@69 62
Chris@69 63 static const opus_uint8 silk_LTP_gain_BITS_Q5_2[32] = {
Chris@69 64 131, 128, 134, 141, 141, 141, 145, 145,
Chris@69 65 145, 150, 155, 155, 155, 155, 160, 160,
Chris@69 66 160, 160, 166, 166, 173, 173, 182, 192,
Chris@69 67 182, 192, 192, 192, 205, 192, 205, 224
Chris@69 68 };
Chris@69 69
Chris@69 70 const opus_uint8 * const silk_LTP_gain_iCDF_ptrs[NB_LTP_CBKS] = {
Chris@69 71 silk_LTP_gain_iCDF_0,
Chris@69 72 silk_LTP_gain_iCDF_1,
Chris@69 73 silk_LTP_gain_iCDF_2
Chris@69 74 };
Chris@69 75
Chris@69 76 const opus_uint8 * const silk_LTP_gain_BITS_Q5_ptrs[NB_LTP_CBKS] = {
Chris@69 77 silk_LTP_gain_BITS_Q5_0,
Chris@69 78 silk_LTP_gain_BITS_Q5_1,
Chris@69 79 silk_LTP_gain_BITS_Q5_2
Chris@69 80 };
Chris@69 81
Chris@69 82 static const opus_int8 silk_LTP_gain_vq_0[8][5] =
Chris@69 83 {
Chris@69 84 {
Chris@69 85 4, 6, 24, 7, 5
Chris@69 86 },
Chris@69 87 {
Chris@69 88 0, 0, 2, 0, 0
Chris@69 89 },
Chris@69 90 {
Chris@69 91 12, 28, 41, 13, -4
Chris@69 92 },
Chris@69 93 {
Chris@69 94 -9, 15, 42, 25, 14
Chris@69 95 },
Chris@69 96 {
Chris@69 97 1, -2, 62, 41, -9
Chris@69 98 },
Chris@69 99 {
Chris@69 100 -10, 37, 65, -4, 3
Chris@69 101 },
Chris@69 102 {
Chris@69 103 -6, 4, 66, 7, -8
Chris@69 104 },
Chris@69 105 {
Chris@69 106 16, 14, 38, -3, 33
Chris@69 107 }
Chris@69 108 };
Chris@69 109
Chris@69 110 static const opus_int8 silk_LTP_gain_vq_1[16][5] =
Chris@69 111 {
Chris@69 112 {
Chris@69 113 13, 22, 39, 23, 12
Chris@69 114 },
Chris@69 115 {
Chris@69 116 -1, 36, 64, 27, -6
Chris@69 117 },
Chris@69 118 {
Chris@69 119 -7, 10, 55, 43, 17
Chris@69 120 },
Chris@69 121 {
Chris@69 122 1, 1, 8, 1, 1
Chris@69 123 },
Chris@69 124 {
Chris@69 125 6, -11, 74, 53, -9
Chris@69 126 },
Chris@69 127 {
Chris@69 128 -12, 55, 76, -12, 8
Chris@69 129 },
Chris@69 130 {
Chris@69 131 -3, 3, 93, 27, -4
Chris@69 132 },
Chris@69 133 {
Chris@69 134 26, 39, 59, 3, -8
Chris@69 135 },
Chris@69 136 {
Chris@69 137 2, 0, 77, 11, 9
Chris@69 138 },
Chris@69 139 {
Chris@69 140 -8, 22, 44, -6, 7
Chris@69 141 },
Chris@69 142 {
Chris@69 143 40, 9, 26, 3, 9
Chris@69 144 },
Chris@69 145 {
Chris@69 146 -7, 20, 101, -7, 4
Chris@69 147 },
Chris@69 148 {
Chris@69 149 3, -8, 42, 26, 0
Chris@69 150 },
Chris@69 151 {
Chris@69 152 -15, 33, 68, 2, 23
Chris@69 153 },
Chris@69 154 {
Chris@69 155 -2, 55, 46, -2, 15
Chris@69 156 },
Chris@69 157 {
Chris@69 158 3, -1, 21, 16, 41
Chris@69 159 }
Chris@69 160 };
Chris@69 161
Chris@69 162 static const opus_int8 silk_LTP_gain_vq_2[32][5] =
Chris@69 163 {
Chris@69 164 {
Chris@69 165 -6, 27, 61, 39, 5
Chris@69 166 },
Chris@69 167 {
Chris@69 168 -11, 42, 88, 4, 1
Chris@69 169 },
Chris@69 170 {
Chris@69 171 -2, 60, 65, 6, -4
Chris@69 172 },
Chris@69 173 {
Chris@69 174 -1, -5, 73, 56, 1
Chris@69 175 },
Chris@69 176 {
Chris@69 177 -9, 19, 94, 29, -9
Chris@69 178 },
Chris@69 179 {
Chris@69 180 0, 12, 99, 6, 4
Chris@69 181 },
Chris@69 182 {
Chris@69 183 8, -19, 102, 46, -13
Chris@69 184 },
Chris@69 185 {
Chris@69 186 3, 2, 13, 3, 2
Chris@69 187 },
Chris@69 188 {
Chris@69 189 9, -21, 84, 72, -18
Chris@69 190 },
Chris@69 191 {
Chris@69 192 -11, 46, 104, -22, 8
Chris@69 193 },
Chris@69 194 {
Chris@69 195 18, 38, 48, 23, 0
Chris@69 196 },
Chris@69 197 {
Chris@69 198 -16, 70, 83, -21, 11
Chris@69 199 },
Chris@69 200 {
Chris@69 201 5, -11, 117, 22, -8
Chris@69 202 },
Chris@69 203 {
Chris@69 204 -6, 23, 117, -12, 3
Chris@69 205 },
Chris@69 206 {
Chris@69 207 3, -8, 95, 28, 4
Chris@69 208 },
Chris@69 209 {
Chris@69 210 -10, 15, 77, 60, -15
Chris@69 211 },
Chris@69 212 {
Chris@69 213 -1, 4, 124, 2, -4
Chris@69 214 },
Chris@69 215 {
Chris@69 216 3, 38, 84, 24, -25
Chris@69 217 },
Chris@69 218 {
Chris@69 219 2, 13, 42, 13, 31
Chris@69 220 },
Chris@69 221 {
Chris@69 222 21, -4, 56, 46, -1
Chris@69 223 },
Chris@69 224 {
Chris@69 225 -1, 35, 79, -13, 19
Chris@69 226 },
Chris@69 227 {
Chris@69 228 -7, 65, 88, -9, -14
Chris@69 229 },
Chris@69 230 {
Chris@69 231 20, 4, 81, 49, -29
Chris@69 232 },
Chris@69 233 {
Chris@69 234 20, 0, 75, 3, -17
Chris@69 235 },
Chris@69 236 {
Chris@69 237 5, -9, 44, 92, -8
Chris@69 238 },
Chris@69 239 {
Chris@69 240 1, -3, 22, 69, 31
Chris@69 241 },
Chris@69 242 {
Chris@69 243 -6, 95, 41, -12, 5
Chris@69 244 },
Chris@69 245 {
Chris@69 246 39, 67, 16, -4, 1
Chris@69 247 },
Chris@69 248 {
Chris@69 249 0, -6, 120, 55, -36
Chris@69 250 },
Chris@69 251 {
Chris@69 252 -13, 44, 122, 4, -24
Chris@69 253 },
Chris@69 254 {
Chris@69 255 81, 5, 11, 3, 7
Chris@69 256 },
Chris@69 257 {
Chris@69 258 2, 0, 9, 10, 88
Chris@69 259 }
Chris@69 260 };
Chris@69 261
Chris@69 262 const opus_int8 * const silk_LTP_vq_ptrs_Q7[NB_LTP_CBKS] = {
Chris@69 263 (opus_int8 *)&silk_LTP_gain_vq_0[0][0],
Chris@69 264 (opus_int8 *)&silk_LTP_gain_vq_1[0][0],
Chris@69 265 (opus_int8 *)&silk_LTP_gain_vq_2[0][0]
Chris@69 266 };
Chris@69 267
Chris@69 268 /* Maximum frequency-dependent response of the pitch taps above,
Chris@69 269 computed as max(abs(freqz(taps))) */
Chris@69 270 static const opus_uint8 silk_LTP_gain_vq_0_gain[8] = {
Chris@69 271 46, 2, 90, 87, 93, 91, 82, 98
Chris@69 272 };
Chris@69 273
Chris@69 274 static const opus_uint8 silk_LTP_gain_vq_1_gain[16] = {
Chris@69 275 109, 120, 118, 12, 113, 115, 117, 119,
Chris@69 276 99, 59, 87, 111, 63, 111, 112, 80
Chris@69 277 };
Chris@69 278
Chris@69 279 static const opus_uint8 silk_LTP_gain_vq_2_gain[32] = {
Chris@69 280 126, 124, 125, 124, 129, 121, 126, 23,
Chris@69 281 132, 127, 127, 127, 126, 127, 122, 133,
Chris@69 282 130, 134, 101, 118, 119, 145, 126, 86,
Chris@69 283 124, 120, 123, 119, 170, 173, 107, 109
Chris@69 284 };
Chris@69 285
Chris@69 286 const opus_uint8 * const silk_LTP_vq_gain_ptrs_Q7[NB_LTP_CBKS] = {
Chris@69 287 &silk_LTP_gain_vq_0_gain[0],
Chris@69 288 &silk_LTP_gain_vq_1_gain[0],
Chris@69 289 &silk_LTP_gain_vq_2_gain[0]
Chris@69 290 };
Chris@69 291
Chris@69 292 const opus_int8 silk_LTP_vq_sizes[NB_LTP_CBKS] = {
Chris@69 293 8, 16, 32
Chris@69 294 };