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media/libopus/silk/tables_LTP.c@6474c204b198 (annotated)

media/libopus/silk/tables_LTP.c

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

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

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