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/*! \file gsm660.c
* GSM 06.60 - GSM EFR Codec. */
/*
* (C) 2010 Sylvain Munaut <tnt@246tNt.com>
*
* All Rights Reserved
*
* 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 */
};
|
