diff options
Diffstat (limited to 'lib/decoding/osmocom/codec/gsm660.c')
-rw-r--r-- | lib/decoding/osmocom/codec/gsm660.c | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/lib/decoding/osmocom/codec/gsm660.c b/lib/decoding/osmocom/codec/gsm660.c new file mode 100644 index 0000000..4f7bb09 --- /dev/null +++ b/lib/decoding/osmocom/codec/gsm660.c @@ -0,0 +1,259 @@ +/*! \file gsm660.c + * GSM 06.60 - GSM EFR Codec. */ +/* + * (C) 2010 Sylvain Munaut <tnt@246tNt.com> + * + * All Rights Reserved + * + * SPDX-License-Identifier: GPL-2.0+ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + */ + +#include <stdint.h> +#include <osmocom/codec/codec.h> + +/* GSM EFR - subjective importance bit ordering */ + /* This array encodes GSM 05.03 Table 6. + * + * It converts between serial parameter output (as described in + * GSM 06.60 Table 6 and GSM 05.03 Table 5) and the order needed + * before channel encoding. CRC poly and bit repetition must be + * applied prior to this table, as in GSM 05.03 3.1.1, to get 260 + * bits from a 244 bits raw EFR frame. + */ +const uint16_t gsm660_bitorder[260] = { + 38, 39, 40, 41, 42, 43, /* 0 -> LTP-LAG 1: b8..b3 */ + 145, 146, 147, 148, 149, 150, /* 6 -> LTP-LAG 3: b8..b3 */ + 93, 94, /* 12 -> LTP-LAG 2: b5..b4 */ + 200, 201, /* 14 -> LTP-LAG 4: b5..b4 */ + 47, /* 16 -> LTP-GAIN 1: b3 */ + 88, /* 17 -> FCB-GAIN 1: b4 */ + 99, /* 18 -> LTP-GAIN 2: b3 */ + 140, /* 19 -> FCB-GAIN 2: b4 */ + 44, /* 20 -> LTP-LAG 1: b2 */ + 151, /* 21 -> LTP-LAG 3: b2 */ + 95, /* 22 -> LTP-LAG 2: b3 */ + 202, /* 23 -> LTP-LAG 4: b3 */ + 1, 2, /* 24 -> LPC 1: b5..b4 */ + 7, /* 26 -> LPC 2: b7 */ + 9, /* 27 -> LPC 2: b5 */ + 17, 18, /* 28 -> LPC 3: b6..b5 */ + 23, /* 30 -> LPC 3: b0 */ + 45, 46, /* 31 -> LTP-LAG 1: b1..b0 */ + 152, 153, /* 33 -> LTP-LAG 3: b1..b0 */ + 96, /* 35 -> LTP-LAG 2: b2 */ + 203, /* 36 -> LTP-LAG 4: b2 */ + 3, 4, /* 37 -> LPC 1: b3..b2 */ + 10, 11, /* 39 -> LPC 2: b4..b3 */ + 15, /* 41 -> LPC 3: b8 */ + 8, /* 42 -> LPC 2: b6 */ + 5, 6, /* 43 -> LPC 1: b1..b0 */ + 12, /* 45 -> LPC 2: b2 */ + 16, /* 46 -> LPC 3: b7 */ + 19, /* 47 -> LPC 3: b4 */ + 97, /* 48 -> LTP-LAG 2: b1 */ + 204, /* 49 -> LTP-LAG 4: b1 */ + 0, /* 50 -> LPC 1: b6 */ + 13, 14, /* 51 -> LPC 2: b1..b0 */ + 20, /* 53 -> LPC 3: b3 */ + 24, 25, /* 54 -> LPC 4: b7..b6 */ + 27, /* 56 -> LPC 4: b4 */ + 154, /* 57 -> LTP-GAIN 3: b3 */ + 206, /* 58 -> LTP-GAIN 4: b3 */ + 195, /* 59 -> FCB-GAIN 3: b4 */ + 247, /* 60 -> FCB-GAIN 4: b4 */ + 89, /* 61 -> FCB-GAIN 1: b3 */ + 141, /* 62 -> FCB-GAIN 2: b3 */ + 196, /* 63 -> FCB-GAIN 3: b3 */ + 248, /* 64 -> FCB-GAIN 4: b3 */ + 252, 253, 254, 255, 256, 257, 258, 259, /* 65 -> CRC-POLY: b7..b0 */ + 48, /* 73 -> LTP-GAIN 1: b2 */ + 100, /* 74 -> LTP-GAIN 2: b2 */ + 155, /* 75 -> LTP-GAIN 3: b2 */ + 207, /* 76 -> LTP-GAIN 4: b2 */ + 21, 22, /* 77 -> LPC 3: b2..b1 */ + 26, /* 79 -> LPC 4: b5 */ + 28, /* 80 -> LPC 4: b3 */ + 51, /* 81 -> PULSE 1_1: b3 */ + 55, /* 82 -> PULSE 1_2: b3 */ + 59, /* 83 -> PULSE 1_3: b3 */ + 63, /* 84 -> PULSE 1_4: b3 */ + 67, /* 85 -> PULSE 1_5: b3 */ + 103, /* 86 -> PULSE 2_1: b3 */ + 107, /* 87 -> PULSE 2_2: b3 */ + 111, /* 88 -> PULSE 2_3: b3 */ + 115, /* 89 -> PULSE 2_4: b3 */ + 119, /* 90 -> PULSE 2_5: b3 */ + 158, /* 91 -> PULSE 3_1: b3 */ + 162, /* 92 -> PULSE 3_2: b3 */ + 166, /* 93 -> PULSE 3_3: b3 */ + 170, /* 94 -> PULSE 3_4: b3 */ + 174, /* 95 -> PULSE 3_5: b3 */ + 210, /* 96 -> PULSE 4_1: b3 */ + 214, /* 97 -> PULSE 4_2: b3 */ + 218, /* 98 -> PULSE 4_3: b3 */ + 222, /* 99 -> PULSE 4_4: b3 */ + 226, /* 100 -> PULSE 4_5: b3 */ + 90, /* 101 -> FCB-GAIN 1: b2 */ + 142, /* 102 -> FCB-GAIN 2: b2 */ + 197, /* 103 -> FCB-GAIN 3: b2 */ + 249, /* 104 -> FCB-GAIN 4: b2 */ + 49, /* 105 -> LTP-GAIN 1: b1 */ + 101, /* 106 -> LTP-GAIN 2: b1 */ + 156, /* 107 -> LTP-GAIN 3: b1 */ + 208, /* 108 -> LTP-GAIN 4: b1 */ + 29, 30, 31, /* 109 -> LPC 4: b2..b0 */ + 32, 33, 34, 35, /* 112 -> LPC 5: b5..b2 */ + 98, /* 116 -> LTP-LAG 2: b0 */ + 205, /* 117 -> LTP-LAG 4: b0 */ + 52, /* 118 -> PULSE 1_1: b2 */ + 56, /* 119 -> PULSE 1_2: b2 */ + 60, /* 120 -> PULSE 1_3: b2 */ + 64, /* 121 -> PULSE 1_4: b2 */ + 68, /* 122 -> PULSE 1_5: b2 */ + 104, /* 123 -> PULSE 2_1: b2 */ + 108, /* 124 -> PULSE 2_2: b2 */ + 112, /* 125 -> PULSE 2_3: b2 */ + 116, /* 126 -> PULSE 2_4: b2 */ + 120, /* 127 -> PULSE 2_5: b2 */ + 159, /* 128 -> PULSE 3_1: b2 */ + 163, /* 129 -> PULSE 3_2: b2 */ + 167, /* 130 -> PULSE 3_3: b2 */ + 171, /* 131 -> PULSE 3_4: b2 */ + 175, /* 132 -> PULSE 3_5: b2 */ + 211, /* 133 -> PULSE 4_1: b2 */ + 215, /* 134 -> PULSE 4_2: b2 */ + 219, /* 135 -> PULSE 4_3: b2 */ + 223, /* 136 -> PULSE 4_4: b2 */ + 227, /* 137 -> PULSE 4_5: b2 */ + 53, /* 138 -> PULSE 1_1: b1 */ + 57, /* 139 -> PULSE 1_2: b1 */ + 61, /* 140 -> PULSE 1_3: b1 */ + 65, /* 141 -> PULSE 1_4: b1 */ + 105, /* 142 -> PULSE 2_1: b1 */ + 109, /* 143 -> PULSE 2_2: b1 */ + 113, /* 144 -> PULSE 2_3: b1 */ + 117, /* 145 -> PULSE 2_4: b1 */ + 160, /* 146 -> PULSE 3_1: b1 */ + 164, /* 147 -> PULSE 3_2: b1 */ + 168, /* 148 -> PULSE 3_3: b1 */ + 172, /* 149 -> PULSE 3_4: b1 */ + 212, /* 150 -> PULSE 4_1: b1 */ + 220, /* 151 -> PULSE 4_3: b1 */ + 224, /* 152 -> PULSE 4_4: b1 */ + 91, /* 153 -> FCB-GAIN 1: b1 */ + 143, /* 154 -> FCB-GAIN 2: b1 */ + 198, /* 155 -> FCB-GAIN 3: b1 */ + 250, /* 156 -> FCB-GAIN 4: b1 */ + 50, /* 157 -> LTP-GAIN 1: b0 */ + 102, /* 158 -> LTP-GAIN 2: b0 */ + 157, /* 159 -> LTP-GAIN 3: b0 */ + 209, /* 160 -> LTP-GAIN 4: b0 */ + 92, /* 161 -> FCB-GAIN 1: b0 */ + 144, /* 162 -> FCB-GAIN 2: b0 */ + 199, /* 163 -> FCB-GAIN 3: b0 */ + 251, /* 164 -> FCB-GAIN 4: b0 */ + 54, /* 165 -> PULSE 1_1: b0 */ + 58, /* 166 -> PULSE 1_2: b0 */ + 62, /* 167 -> PULSE 1_3: b0 */ + 66, /* 168 -> PULSE 1_4: b0 */ + 106, /* 169 -> PULSE 2_1: b0 */ + 110, /* 170 -> PULSE 2_2: b0 */ + 114, /* 171 -> PULSE 2_3: b0 */ + 118, /* 172 -> PULSE 2_4: b0 */ + 161, /* 173 -> PULSE 3_1: b0 */ + 165, /* 174 -> PULSE 3_2: b0 */ + 169, /* 175 -> PULSE 3_3: b0 */ + 173, /* 176 -> PULSE 3_4: b0 */ + 213, /* 177 -> PULSE 4_1: b0 */ + 221, /* 178 -> PULSE 4_3: b0 */ + 225, /* 179 -> PULSE 4_4: b0 */ + 36, 37, /* 180 -> LPC 5: b1..b0 */ + 69, /* 182 -> PULSE 1_5: b1 */ + 71, 72, /* 183 -> PULSE 1_5: b1..b1 */ + 121, /* 185 -> PULSE 2_5: b1 */ + 123, 124, /* 186 -> PULSE 2_5: b1..b1 */ + 176, /* 188 -> PULSE 3_5: b1 */ + 178, 179, /* 189 -> PULSE 3_5: b1..b1 */ + 228, /* 191 -> PULSE 4_5: b1 */ + 230, 231, /* 192 -> PULSE 4_5: b1..b1 */ + 216, 217, /* 194 -> PULSE 4_2: b1..b0 */ + 70, /* 196 -> PULSE 1_5: b0 */ + 122, /* 197 -> PULSE 2_5: b0 */ + 177, /* 198 -> PULSE 3_5: b0 */ + 229, /* 199 -> PULSE 4_5: b0 */ + 73, /* 200 -> PULSE 1_6: b2 */ + 76, /* 201 -> PULSE 1_7: b2 */ + 79, /* 202 -> PULSE 1_8: b2 */ + 82, /* 203 -> PULSE 1_9: b2 */ + 85, /* 204 -> PULSE 1_10: b2 */ + 125, /* 205 -> PULSE 2_6: b2 */ + 128, /* 206 -> PULSE 2_7: b2 */ + 131, /* 207 -> PULSE 2_8: b2 */ + 134, /* 208 -> PULSE 2_9: b2 */ + 137, /* 209 -> PULSE 2_10: b2 */ + 180, /* 210 -> PULSE 3_6: b2 */ + 183, /* 211 -> PULSE 3_7: b2 */ + 186, /* 212 -> PULSE 3_8: b2 */ + 189, /* 213 -> PULSE 3_9: b2 */ + 192, /* 214 -> PULSE 3_10: b2 */ + 232, /* 215 -> PULSE 4_6: b2 */ + 235, /* 216 -> PULSE 4_7: b2 */ + 238, /* 217 -> PULSE 4_8: b2 */ + 241, /* 218 -> PULSE 4_9: b2 */ + 244, /* 219 -> PULSE 4_10: b2 */ + 74, /* 220 -> PULSE 1_6: b1 */ + 77, /* 221 -> PULSE 1_7: b1 */ + 80, /* 222 -> PULSE 1_8: b1 */ + 83, /* 223 -> PULSE 1_9: b1 */ + 86, /* 224 -> PULSE 1_10: b1 */ + 126, /* 225 -> PULSE 2_6: b1 */ + 129, /* 226 -> PULSE 2_7: b1 */ + 132, /* 227 -> PULSE 2_8: b1 */ + 135, /* 228 -> PULSE 2_9: b1 */ + 138, /* 229 -> PULSE 2_10: b1 */ + 181, /* 230 -> PULSE 3_6: b1 */ + 184, /* 231 -> PULSE 3_7: b1 */ + 187, /* 232 -> PULSE 3_8: b1 */ + 190, /* 233 -> PULSE 3_9: b1 */ + 193, /* 234 -> PULSE 3_10: b1 */ + 233, /* 235 -> PULSE 4_6: b1 */ + 236, /* 236 -> PULSE 4_7: b1 */ + 239, /* 237 -> PULSE 4_8: b1 */ + 242, /* 238 -> PULSE 4_9: b1 */ + 245, /* 239 -> PULSE 4_10: b1 */ + 75, /* 240 -> PULSE 1_6: b0 */ + 78, /* 241 -> PULSE 1_7: b0 */ + 81, /* 242 -> PULSE 1_8: b0 */ + 84, /* 243 -> PULSE 1_9: b0 */ + 87, /* 244 -> PULSE 1_10: b0 */ + 127, /* 245 -> PULSE 2_6: b0 */ + 130, /* 246 -> PULSE 2_7: b0 */ + 133, /* 247 -> PULSE 2_8: b0 */ + 136, /* 248 -> PULSE 2_9: b0 */ + 139, /* 249 -> PULSE 2_10: b0 */ + 182, /* 250 -> PULSE 3_6: b0 */ + 185, /* 251 -> PULSE 3_7: b0 */ + 188, /* 252 -> PULSE 3_8: b0 */ + 191, /* 253 -> PULSE 3_9: b0 */ + 194, /* 254 -> PULSE 3_10: b0 */ + 234, /* 255 -> PULSE 4_6: b0 */ + 237, /* 256 -> PULSE 4_7: b0 */ + 240, /* 257 -> PULSE 4_8: b0 */ + 243, /* 258 -> PULSE 4_9: b0 */ + 246, /* 259 -> PULSE 4_10: b0 */ +}; |