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comparison: media/libopus/silk/tables_LTP.c
media/libopus/silk/tables_LTP.c
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- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:5b8379ff43cc |
|---|---|
| 1 /*********************************************************************** | |
| 2 Copyright (c) 2006-2011, Skype Limited. All rights reserved. | |
| 3 Redistribution and use in source and binary forms, with or without | |
| 4 modification, are permitted provided that the following conditions | |
| 5 are met: | |
| 6 - Redistributions of source code must retain the above copyright notice, | |
| 7 this list of conditions and the following disclaimer. | |
| 8 - Redistributions in binary form must reproduce the above copyright | |
| 9 notice, this list of conditions and the following disclaimer in the | |
| 10 documentation and/or other materials provided with the distribution. | |
| 11 - Neither the name of Internet Society, IETF or IETF Trust, nor the | |
| 12 names of specific contributors, may be used to endorse or promote | |
| 13 products derived from this software without specific prior written | |
| 14 permission. | |
| 15 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| 16 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 17 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 18 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | |
| 19 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 20 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| 21 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 22 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 23 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 24 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 25 POSSIBILITY OF SUCH DAMAGE. | |
| 26 ***********************************************************************/ | |
| 27 | |
| 28 #ifdef HAVE_CONFIG_H | |
| 29 #include "config.h" | |
| 30 #endif | |
| 31 | |
| 32 #include "tables.h" | |
| 33 | |
| 34 const opus_uint8 silk_LTP_per_index_iCDF[3] = { | |
| 35 179, 99, 0 | |
| 36 }; | |
| 37 | |
| 38 static const opus_uint8 silk_LTP_gain_iCDF_0[8] = { | |
| 39 71, 56, 43, 30, 21, 12, 6, 0 | |
| 40 }; | |
| 41 | |
| 42 static const opus_uint8 silk_LTP_gain_iCDF_1[16] = { | |
| 43 199, 165, 144, 124, 109, 96, 84, 71, | |
| 44 61, 51, 42, 32, 23, 15, 8, 0 | |
| 45 }; | |
| 46 | |
| 47 static const opus_uint8 silk_LTP_gain_iCDF_2[32] = { | |
| 48 241, 225, 211, 199, 187, 175, 164, 153, | |
| 49 142, 132, 123, 114, 105, 96, 88, 80, | |
| 50 72, 64, 57, 50, 44, 38, 33, 29, | |
| 51 24, 20, 16, 12, 9, 5, 2, 0 | |
| 52 }; | |
| 53 | |
| 54 const opus_int16 silk_LTP_gain_middle_avg_RD_Q14 = 12304; | |
| 55 | |
| 56 static const opus_uint8 silk_LTP_gain_BITS_Q5_0[8] = { | |
| 57 15, 131, 138, 138, 155, 155, 173, 173 | |
| 58 }; | |
| 59 | |
| 60 static const opus_uint8 silk_LTP_gain_BITS_Q5_1[16] = { | |
| 61 69, 93, 115, 118, 131, 138, 141, 138, | |
| 62 150, 150, 155, 150, 155, 160, 166, 160 | |
| 63 }; | |
| 64 | |
| 65 static const opus_uint8 silk_LTP_gain_BITS_Q5_2[32] = { | |
| 66 131, 128, 134, 141, 141, 141, 145, 145, | |
| 67 145, 150, 155, 155, 155, 155, 160, 160, | |
| 68 160, 160, 166, 166, 173, 173, 182, 192, | |
| 69 182, 192, 192, 192, 205, 192, 205, 224 | |
| 70 }; | |
| 71 | |
| 72 const opus_uint8 * const silk_LTP_gain_iCDF_ptrs[NB_LTP_CBKS] = { | |
| 73 silk_LTP_gain_iCDF_0, | |
| 74 silk_LTP_gain_iCDF_1, | |
| 75 silk_LTP_gain_iCDF_2 | |
| 76 }; | |
| 77 | |
| 78 const opus_uint8 * const silk_LTP_gain_BITS_Q5_ptrs[NB_LTP_CBKS] = { | |
| 79 silk_LTP_gain_BITS_Q5_0, | |
| 80 silk_LTP_gain_BITS_Q5_1, | |
| 81 silk_LTP_gain_BITS_Q5_2 | |
| 82 }; | |
| 83 | |
| 84 static const opus_int8 silk_LTP_gain_vq_0[8][5] = | |
| 85 { | |
| 86 { | |
| 87 4, 6, 24, 7, 5 | |
| 88 }, | |
| 89 { | |
| 90 0, 0, 2, 0, 0 | |
| 91 }, | |
| 92 { | |
| 93 12, 28, 41, 13, -4 | |
| 94 }, | |
| 95 { | |
| 96 -9, 15, 42, 25, 14 | |
| 97 }, | |
| 98 { | |
| 99 1, -2, 62, 41, -9 | |
| 100 }, | |
| 101 { | |
| 102 -10, 37, 65, -4, 3 | |
| 103 }, | |
| 104 { | |
| 105 -6, 4, 66, 7, -8 | |
| 106 }, | |
| 107 { | |
| 108 16, 14, 38, -3, 33 | |
| 109 } | |
| 110 }; | |
| 111 | |
| 112 static const opus_int8 silk_LTP_gain_vq_1[16][5] = | |
| 113 { | |
| 114 { | |
| 115 13, 22, 39, 23, 12 | |
| 116 }, | |
| 117 { | |
| 118 -1, 36, 64, 27, -6 | |
| 119 }, | |
| 120 { | |
| 121 -7, 10, 55, 43, 17 | |
| 122 }, | |
| 123 { | |
| 124 1, 1, 8, 1, 1 | |
| 125 }, | |
| 126 { | |
| 127 6, -11, 74, 53, -9 | |
| 128 }, | |
| 129 { | |
| 130 -12, 55, 76, -12, 8 | |
| 131 }, | |
| 132 { | |
| 133 -3, 3, 93, 27, -4 | |
| 134 }, | |
| 135 { | |
| 136 26, 39, 59, 3, -8 | |
| 137 }, | |
| 138 { | |
| 139 2, 0, 77, 11, 9 | |
| 140 }, | |
| 141 { | |
| 142 -8, 22, 44, -6, 7 | |
| 143 }, | |
| 144 { | |
| 145 40, 9, 26, 3, 9 | |
| 146 }, | |
| 147 { | |
| 148 -7, 20, 101, -7, 4 | |
| 149 }, | |
| 150 { | |
| 151 3, -8, 42, 26, 0 | |
| 152 }, | |
| 153 { | |
| 154 -15, 33, 68, 2, 23 | |
| 155 }, | |
| 156 { | |
| 157 -2, 55, 46, -2, 15 | |
| 158 }, | |
| 159 { | |
| 160 3, -1, 21, 16, 41 | |
| 161 } | |
| 162 }; | |
| 163 | |
| 164 static const opus_int8 silk_LTP_gain_vq_2[32][5] = | |
| 165 { | |
| 166 { | |
| 167 -6, 27, 61, 39, 5 | |
| 168 }, | |
| 169 { | |
| 170 -11, 42, 88, 4, 1 | |
| 171 }, | |
| 172 { | |
| 173 -2, 60, 65, 6, -4 | |
| 174 }, | |
| 175 { | |
| 176 -1, -5, 73, 56, 1 | |
| 177 }, | |
| 178 { | |
| 179 -9, 19, 94, 29, -9 | |
| 180 }, | |
| 181 { | |
| 182 0, 12, 99, 6, 4 | |
| 183 }, | |
| 184 { | |
| 185 8, -19, 102, 46, -13 | |
| 186 }, | |
| 187 { | |
| 188 3, 2, 13, 3, 2 | |
| 189 }, | |
| 190 { | |
| 191 9, -21, 84, 72, -18 | |
| 192 }, | |
| 193 { | |
| 194 -11, 46, 104, -22, 8 | |
| 195 }, | |
| 196 { | |
| 197 18, 38, 48, 23, 0 | |
| 198 }, | |
| 199 { | |
| 200 -16, 70, 83, -21, 11 | |
| 201 }, | |
| 202 { | |
| 203 5, -11, 117, 22, -8 | |
| 204 }, | |
| 205 { | |
| 206 -6, 23, 117, -12, 3 | |
| 207 }, | |
| 208 { | |
| 209 3, -8, 95, 28, 4 | |
| 210 }, | |
| 211 { | |
| 212 -10, 15, 77, 60, -15 | |
| 213 }, | |
| 214 { | |
| 215 -1, 4, 124, 2, -4 | |
| 216 }, | |
| 217 { | |
| 218 3, 38, 84, 24, -25 | |
| 219 }, | |
| 220 { | |
| 221 2, 13, 42, 13, 31 | |
| 222 }, | |
| 223 { | |
| 224 21, -4, 56, 46, -1 | |
| 225 }, | |
| 226 { | |
| 227 -1, 35, 79, -13, 19 | |
| 228 }, | |
| 229 { | |
| 230 -7, 65, 88, -9, -14 | |
| 231 }, | |
| 232 { | |
| 233 20, 4, 81, 49, -29 | |
| 234 }, | |
| 235 { | |
| 236 20, 0, 75, 3, -17 | |
| 237 }, | |
| 238 { | |
| 239 5, -9, 44, 92, -8 | |
| 240 }, | |
| 241 { | |
| 242 1, -3, 22, 69, 31 | |
| 243 }, | |
| 244 { | |
| 245 -6, 95, 41, -12, 5 | |
| 246 }, | |
| 247 { | |
| 248 39, 67, 16, -4, 1 | |
| 249 }, | |
| 250 { | |
| 251 0, -6, 120, 55, -36 | |
| 252 }, | |
| 253 { | |
| 254 -13, 44, 122, 4, -24 | |
| 255 }, | |
| 256 { | |
| 257 81, 5, 11, 3, 7 | |
| 258 }, | |
| 259 { | |
| 260 2, 0, 9, 10, 88 | |
| 261 } | |
| 262 }; | |
| 263 | |
| 264 const opus_int8 * const silk_LTP_vq_ptrs_Q7[NB_LTP_CBKS] = { | |
| 265 (opus_int8 *)&silk_LTP_gain_vq_0[0][0], | |
| 266 (opus_int8 *)&silk_LTP_gain_vq_1[0][0], | |
| 267 (opus_int8 *)&silk_LTP_gain_vq_2[0][0] | |
| 268 }; | |
| 269 | |
| 270 /* Maximum frequency-dependent response of the pitch taps above, | |
| 271 computed as max(abs(freqz(taps))) */ | |
| 272 static const opus_uint8 silk_LTP_gain_vq_0_gain[8] = { | |
| 273 46, 2, 90, 87, 93, 91, 82, 98 | |
| 274 }; | |
| 275 | |
| 276 static const opus_uint8 silk_LTP_gain_vq_1_gain[16] = { | |
| 277 109, 120, 118, 12, 113, 115, 117, 119, | |
| 278 99, 59, 87, 111, 63, 111, 112, 80 | |
| 279 }; | |
| 280 | |
| 281 static const opus_uint8 silk_LTP_gain_vq_2_gain[32] = { | |
| 282 126, 124, 125, 124, 129, 121, 126, 23, | |
| 283 132, 127, 127, 127, 126, 127, 122, 133, | |
| 284 130, 134, 101, 118, 119, 145, 126, 86, | |
| 285 124, 120, 123, 119, 170, 173, 107, 109 | |
| 286 }; | |
| 287 | |
| 288 const opus_uint8 * const silk_LTP_vq_gain_ptrs_Q7[NB_LTP_CBKS] = { | |
| 289 &silk_LTP_gain_vq_0_gain[0], | |
| 290 &silk_LTP_gain_vq_1_gain[0], | |
| 291 &silk_LTP_gain_vq_2_gain[0] | |
| 292 }; | |
| 293 | |
| 294 const opus_int8 silk_LTP_vq_sizes[NB_LTP_CBKS] = { | |
| 295 8, 16, 32 | |
| 296 }; |
