1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/libopus/silk/tables_LTP.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,296 @@
1.4 +/***********************************************************************
1.5 +Copyright (c) 2006-2011, Skype Limited. All rights reserved.
1.6 +Redistribution and use in source and binary forms, with or without
1.7 +modification, are permitted provided that the following conditions
1.8 +are met:
1.9 +- Redistributions of source code must retain the above copyright notice,
1.10 +this list of conditions and the following disclaimer.
1.11 +- Redistributions in binary form must reproduce the above copyright
1.12 +notice, this list of conditions and the following disclaimer in the
1.13 +documentation and/or other materials provided with the distribution.
1.14 +- Neither the name of Internet Society, IETF or IETF Trust, nor the
1.15 +names of specific contributors, may be used to endorse or promote
1.16 +products derived from this software without specific prior written
1.17 +permission.
1.18 +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
1.19 +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1.20 +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1.21 +ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
1.22 +LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
1.23 +CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
1.24 +SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
1.25 +INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
1.26 +CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
1.27 +ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
1.28 +POSSIBILITY OF SUCH DAMAGE.
1.29 +***********************************************************************/
1.30 +
1.31 +#ifdef HAVE_CONFIG_H
1.32 +#include "config.h"
1.33 +#endif
1.34 +
1.35 +#include "tables.h"
1.36 +
1.37 +const opus_uint8 silk_LTP_per_index_iCDF[3] = {
1.38 + 179, 99, 0
1.39 +};
1.40 +
1.41 +static const opus_uint8 silk_LTP_gain_iCDF_0[8] = {
1.42 + 71, 56, 43, 30, 21, 12, 6, 0
1.43 +};
1.44 +
1.45 +static const opus_uint8 silk_LTP_gain_iCDF_1[16] = {
1.46 + 199, 165, 144, 124, 109, 96, 84, 71,
1.47 + 61, 51, 42, 32, 23, 15, 8, 0
1.48 +};
1.49 +
1.50 +static const opus_uint8 silk_LTP_gain_iCDF_2[32] = {
1.51 + 241, 225, 211, 199, 187, 175, 164, 153,
1.52 + 142, 132, 123, 114, 105, 96, 88, 80,
1.53 + 72, 64, 57, 50, 44, 38, 33, 29,
1.54 + 24, 20, 16, 12, 9, 5, 2, 0
1.55 +};
1.56 +
1.57 +const opus_int16 silk_LTP_gain_middle_avg_RD_Q14 = 12304;
1.58 +
1.59 +static const opus_uint8 silk_LTP_gain_BITS_Q5_0[8] = {
1.60 + 15, 131, 138, 138, 155, 155, 173, 173
1.61 +};
1.62 +
1.63 +static const opus_uint8 silk_LTP_gain_BITS_Q5_1[16] = {
1.64 + 69, 93, 115, 118, 131, 138, 141, 138,
1.65 + 150, 150, 155, 150, 155, 160, 166, 160
1.66 +};
1.67 +
1.68 +static const opus_uint8 silk_LTP_gain_BITS_Q5_2[32] = {
1.69 + 131, 128, 134, 141, 141, 141, 145, 145,
1.70 + 145, 150, 155, 155, 155, 155, 160, 160,
1.71 + 160, 160, 166, 166, 173, 173, 182, 192,
1.72 + 182, 192, 192, 192, 205, 192, 205, 224
1.73 +};
1.74 +
1.75 +const opus_uint8 * const silk_LTP_gain_iCDF_ptrs[NB_LTP_CBKS] = {
1.76 + silk_LTP_gain_iCDF_0,
1.77 + silk_LTP_gain_iCDF_1,
1.78 + silk_LTP_gain_iCDF_2
1.79 +};
1.80 +
1.81 +const opus_uint8 * const silk_LTP_gain_BITS_Q5_ptrs[NB_LTP_CBKS] = {
1.82 + silk_LTP_gain_BITS_Q5_0,
1.83 + silk_LTP_gain_BITS_Q5_1,
1.84 + silk_LTP_gain_BITS_Q5_2
1.85 +};
1.86 +
1.87 +static const opus_int8 silk_LTP_gain_vq_0[8][5] =
1.88 +{
1.89 +{
1.90 + 4, 6, 24, 7, 5
1.91 +},
1.92 +{
1.93 + 0, 0, 2, 0, 0
1.94 +},
1.95 +{
1.96 + 12, 28, 41, 13, -4
1.97 +},
1.98 +{
1.99 + -9, 15, 42, 25, 14
1.100 +},
1.101 +{
1.102 + 1, -2, 62, 41, -9
1.103 +},
1.104 +{
1.105 + -10, 37, 65, -4, 3
1.106 +},
1.107 +{
1.108 + -6, 4, 66, 7, -8
1.109 +},
1.110 +{
1.111 + 16, 14, 38, -3, 33
1.112 +}
1.113 +};
1.114 +
1.115 +static const opus_int8 silk_LTP_gain_vq_1[16][5] =
1.116 +{
1.117 +{
1.118 + 13, 22, 39, 23, 12
1.119 +},
1.120 +{
1.121 + -1, 36, 64, 27, -6
1.122 +},
1.123 +{
1.124 + -7, 10, 55, 43, 17
1.125 +},
1.126 +{
1.127 + 1, 1, 8, 1, 1
1.128 +},
1.129 +{
1.130 + 6, -11, 74, 53, -9
1.131 +},
1.132 +{
1.133 + -12, 55, 76, -12, 8
1.134 +},
1.135 +{
1.136 + -3, 3, 93, 27, -4
1.137 +},
1.138 +{
1.139 + 26, 39, 59, 3, -8
1.140 +},
1.141 +{
1.142 + 2, 0, 77, 11, 9
1.143 +},
1.144 +{
1.145 + -8, 22, 44, -6, 7
1.146 +},
1.147 +{
1.148 + 40, 9, 26, 3, 9
1.149 +},
1.150 +{
1.151 + -7, 20, 101, -7, 4
1.152 +},
1.153 +{
1.154 + 3, -8, 42, 26, 0
1.155 +},
1.156 +{
1.157 + -15, 33, 68, 2, 23
1.158 +},
1.159 +{
1.160 + -2, 55, 46, -2, 15
1.161 +},
1.162 +{
1.163 + 3, -1, 21, 16, 41
1.164 +}
1.165 +};
1.166 +
1.167 +static const opus_int8 silk_LTP_gain_vq_2[32][5] =
1.168 +{
1.169 +{
1.170 + -6, 27, 61, 39, 5
1.171 +},
1.172 +{
1.173 + -11, 42, 88, 4, 1
1.174 +},
1.175 +{
1.176 + -2, 60, 65, 6, -4
1.177 +},
1.178 +{
1.179 + -1, -5, 73, 56, 1
1.180 +},
1.181 +{
1.182 + -9, 19, 94, 29, -9
1.183 +},
1.184 +{
1.185 + 0, 12, 99, 6, 4
1.186 +},
1.187 +{
1.188 + 8, -19, 102, 46, -13
1.189 +},
1.190 +{
1.191 + 3, 2, 13, 3, 2
1.192 +},
1.193 +{
1.194 + 9, -21, 84, 72, -18
1.195 +},
1.196 +{
1.197 + -11, 46, 104, -22, 8
1.198 +},
1.199 +{
1.200 + 18, 38, 48, 23, 0
1.201 +},
1.202 +{
1.203 + -16, 70, 83, -21, 11
1.204 +},
1.205 +{
1.206 + 5, -11, 117, 22, -8
1.207 +},
1.208 +{
1.209 + -6, 23, 117, -12, 3
1.210 +},
1.211 +{
1.212 + 3, -8, 95, 28, 4
1.213 +},
1.214 +{
1.215 + -10, 15, 77, 60, -15
1.216 +},
1.217 +{
1.218 + -1, 4, 124, 2, -4
1.219 +},
1.220 +{
1.221 + 3, 38, 84, 24, -25
1.222 +},
1.223 +{
1.224 + 2, 13, 42, 13, 31
1.225 +},
1.226 +{
1.227 + 21, -4, 56, 46, -1
1.228 +},
1.229 +{
1.230 + -1, 35, 79, -13, 19
1.231 +},
1.232 +{
1.233 + -7, 65, 88, -9, -14
1.234 +},
1.235 +{
1.236 + 20, 4, 81, 49, -29
1.237 +},
1.238 +{
1.239 + 20, 0, 75, 3, -17
1.240 +},
1.241 +{
1.242 + 5, -9, 44, 92, -8
1.243 +},
1.244 +{
1.245 + 1, -3, 22, 69, 31
1.246 +},
1.247 +{
1.248 + -6, 95, 41, -12, 5
1.249 +},
1.250 +{
1.251 + 39, 67, 16, -4, 1
1.252 +},
1.253 +{
1.254 + 0, -6, 120, 55, -36
1.255 +},
1.256 +{
1.257 + -13, 44, 122, 4, -24
1.258 +},
1.259 +{
1.260 + 81, 5, 11, 3, 7
1.261 +},
1.262 +{
1.263 + 2, 0, 9, 10, 88
1.264 +}
1.265 +};
1.266 +
1.267 +const opus_int8 * const silk_LTP_vq_ptrs_Q7[NB_LTP_CBKS] = {
1.268 + (opus_int8 *)&silk_LTP_gain_vq_0[0][0],
1.269 + (opus_int8 *)&silk_LTP_gain_vq_1[0][0],
1.270 + (opus_int8 *)&silk_LTP_gain_vq_2[0][0]
1.271 +};
1.272 +
1.273 +/* Maximum frequency-dependent response of the pitch taps above,
1.274 + computed as max(abs(freqz(taps))) */
1.275 +static const opus_uint8 silk_LTP_gain_vq_0_gain[8] = {
1.276 + 46, 2, 90, 87, 93, 91, 82, 98
1.277 +};
1.278 +
1.279 +static const opus_uint8 silk_LTP_gain_vq_1_gain[16] = {
1.280 + 109, 120, 118, 12, 113, 115, 117, 119,
1.281 + 99, 59, 87, 111, 63, 111, 112, 80
1.282 +};
1.283 +
1.284 +static const opus_uint8 silk_LTP_gain_vq_2_gain[32] = {
1.285 + 126, 124, 125, 124, 129, 121, 126, 23,
1.286 + 132, 127, 127, 127, 126, 127, 122, 133,
1.287 + 130, 134, 101, 118, 119, 145, 126, 86,
1.288 + 124, 120, 123, 119, 170, 173, 107, 109
1.289 +};
1.290 +
1.291 +const opus_uint8 * const silk_LTP_vq_gain_ptrs_Q7[NB_LTP_CBKS] = {
1.292 + &silk_LTP_gain_vq_0_gain[0],
1.293 + &silk_LTP_gain_vq_1_gain[0],
1.294 + &silk_LTP_gain_vq_2_gain[0]
1.295 +};
1.296 +
1.297 +const opus_int8 silk_LTP_vq_sizes[NB_LTP_CBKS] = {
1.298 + 8, 16, 32
1.299 +};
