diff options
Diffstat (limited to 'src/shared/libosmocore/src/codec/gsm620.c')
| -rw-r--r-- | src/shared/libosmocore/src/codec/gsm620.c | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/src/shared/libosmocore/src/codec/gsm620.c b/src/shared/libosmocore/src/codec/gsm620.c new file mode 100644 index 00000000..fa570e4f --- /dev/null +++ b/src/shared/libosmocore/src/codec/gsm620.c @@ -0,0 +1,262 @@ +/* GSM 06.20 - GSM HR 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> + +/* GSM HR unvoiced (mode=0) frames - subjective importance bit ordering */ + /* This array encode mapping between GSM 05.03 Table 3a (bits + * ordering before channel coding on TCH) and GSM 06.20 Table B.1 + * (bit ordering on A-bis */ +const uint16_t gsm620_unvoiced_bitorder[112] = { + 3, /* R0:1 */ + 25, /* LPC 3:7 */ + 52, /* GSP 0-1:2 */ + 71, /* GSP 0-2:2 */ + 90, /* GSP 0-3:2 */ + 109, /* GSP 0-4:2 */ + 15, /* LPC 1:0 */ + 23, /* LPC 2:1 */ + 22, /* LPC 2:2 */ + 21, /* LPC 2:3 */ + 20, /* LPC 2:4 */ + 19, /* LPC 2:5 */ + 31, /* LPC 3:1 */ + 30, /* LPC 3:2 */ + 29, /* LPC 3:3 */ + 28, /* LPC 3:4 */ + 27, /* LPC 3:5 */ + 26, /* LPC 3:6 */ + 61, /* Code 1-2:0 */ + 68, /* Code 2-2:0 */ + 67, /* Code 2-2:1 */ + 66, /* Code 2-2:2 */ + 65, /* Code 2-2:3 */ + 64, /* Code 2-2:4 */ + 63, /* Code 2-2:5 */ + 62, /* Code 2-2:6 */ + 80, /* Code 1-3:0 */ + 79, /* Code 1-3:1 */ + 78, /* Code 1-3:2 */ + 77, /* Code 1-3:3 */ + 76, /* Code 1-3:4 */ + 75, /* Code 1-3:5 */ + 74, /* Code 1-3:6 */ + 84, /* Code 2-3:3 */ + 83, /* Code 2-3:4 */ + 82, /* Code 2-3:5 */ + 81, /* Code 2-3:6 */ + 32, /* LPC 3:0 */ + 4, /* R0:0 */ + 33, /* INT-LPC:0 */ + 60, /* Code 1-2:1 */ + 59, /* Code 1-2:2 */ + 58, /* Code 1-2:3 */ + 57, /* Code 1-2:4 */ + 56, /* Code 1-2:5 */ + 55, /* Code 1-2:6 */ + 49, /* Code 2-1:0 */ + 48, /* Code 2-1:1 */ + 47, /* Code 2-1:2 */ + 46, /* Code 2-1:3 */ + 45, /* Code 2-1:4 */ + 44, /* Code 2-1:5 */ + 43, /* Code 2-1:6 */ + 42, /* Code 1-1:0 */ + 41, /* Code 1-1:1 */ + 40, /* Code 1-1:2 */ + 39, /* Code 1-1:3 */ + 38, /* Code 1-1:4 */ + 37, /* Code 1-1:5 */ + 36, /* Code 1-1:6 */ + 111, /* GSP 0-4:0 */ + 92, /* GSP 0-3:0 */ + 73, /* GSP 0-2:0 */ + 54, /* GSP 0-1:0 */ + 24, /* LPC 2:0 */ + 110, /* GSP 0-4:1 */ + 91, /* GSP 0-3:1 */ + 72, /* GSP 0-2:1 */ + 53, /* GSP 0-1:1 */ + 14, /* LPC 1:1 */ + 13, /* LPC 1:2 */ + 12, /* LPC 1:3 */ + 11, /* LPC 1:4 */ + 10, /* LPC 1:5 */ + 108, /* GSP 0-4:3 */ + 89, /* GSP 0-3:3 */ + 70, /* GSP 0-2:3 */ + 51, /* GSP 0-1:3 */ + 18, /* LPC 2:6 */ + 17, /* LPC 2:7 */ + 16, /* LPC 2:8 */ + 107, /* GSP 0-4:4 */ + 88, /* GSP 0-3:4 */ + 69, /* GSP 0-2:4 */ + 50, /* GSP 0-1:4 */ + 9, /* LPC 1:6 */ + 8, /* LPC 1:7 */ + 7, /* LPC 1:8 */ + 6, /* LPC 1:9 */ + 2, /* R0:2 */ + 5, /* LPC 1:10 */ + 1, /* R0:3 */ + 0, /* R0:4 */ + 35, /* Mode:0 */ + 34, /* Mode:1 */ + 106, /* Code 2-4:0 */ + 105, /* Code 2-4:1 */ + 104, /* Code 2-4:2 */ + 103, /* Code 2-4:3 */ + 102, /* Code 2-4:4 */ + 101, /* Code 2-4:5 */ + 100, /* Code 2-4:6 */ + 99, /* Code 1-4:0 */ + 98, /* Code 1-4:1 */ + 97, /* Code 1-4:2 */ + 96, /* Code 1-4:3 */ + 95, /* Code 1-4:4 */ + 94, /* Code 1-4:5 */ + 93, /* Code 1-4:6 */ + 87, /* Code 2-3:0 */ + 86, /* Code 2-3:1 */ + 85, /* Code 2-3:2 */ +}; + +/* GSM HR voiced (mode=1,2,3) frames - subjective importance bit ordering */ + /* This array encode mapping between GSM 05.03 Table 3b (bits + * ordering before channel coding on TCH) and GSM 06.20 Table B.2 + * (bit ordering on A-bis */ +const uint16_t gsm620_voiced_bitorder[112] = { + 13, /* LPC 1:2 */ + 14, /* LPC 1:1 */ + 20, /* LPC 2:4 */ + 19, /* LPC 2:5 */ + 18, /* LPC 2:6 */ + 53, /* GSP 0-1:4 */ + 71, /* GSP 0-2:4 */ + 89, /* GSP 0-3:4 */ + 107, /* GSP 0-4:4 */ + 54, /* GSP 0-1:3 */ + 72, /* GSP 0-2:3 */ + 90, /* GSP 0-3:3 */ + 108, /* GSP 0-4:3 */ + 55, /* GSP 0-1:2 */ + 73, /* GSP 0-2:2 */ + 91, /* GSP 0-3:2 */ + 109, /* GSP 0-4:2 */ + 52, /* Code 1:0 */ + 51, /* Code 1:1 */ + 50, /* Code 1:2 */ + 49, /* Code 1:3 */ + 48, /* Code 1:4 */ + 47, /* Code 1:5 */ + 46, /* Code 1:6 */ + 45, /* Code 1:7 */ + 44, /* Code 1:8 */ + 65, /* Code 2:5 */ + 64, /* Code 2:6 */ + 63, /* Code 2:7 */ + 62, /* Code 2:8 */ + 70, /* Code 2:0 */ + 69, /* Code 2:1 */ + 68, /* Code 2:2 */ + 80, /* Code 3:8 */ + 66, /* Code 2:4 */ + 67, /* Code 2:3 */ + 56, /* GSP 0-1:1 */ + 74, /* GSP 0-2:1 */ + 92, /* GSP 0-3:1 */ + 110, /* GSP 0-4:1 */ + 57, /* GSP 0-1:0 */ + 75, /* GSP 0-2:0 */ + 93, /* GSP 0-3:0 */ + 111, /* GSP 0-4:0 */ + 33, /* INT-LPC:0 */ + 24, /* LPC 2:0 */ + 32, /* LPC 3:0 */ + 97, /* LAG 4:0 */ + 31, /* LPC 3:1 */ + 23, /* LPC 2:1 */ + 96, /* LAG 4:1 */ + 79, /* LAG 3:0 */ + 61, /* LAG 2:0 */ + 43, /* LAG 1:0 */ + 95, /* LAG 4:2 */ + 78, /* LAG 3:1 */ + 60, /* LAG 2:1 */ + 42, /* LAG 1:1 */ + 30, /* LPC 3:2 */ + 29, /* LPC 3:3 */ + 28, /* LPC 3:4 */ + 22, /* LPC 2:2 */ + 27, /* LPC 3:5 */ + 26, /* LPC 3:6 */ + 21, /* LPC 2:3 */ + 4, /* R0:0 */ + 25, /* LPC 3:7 */ + 15, /* LPC 1:0 */ + 94, /* LAG 4:3 */ + 77, /* LAG 3:2 */ + 59, /* LAG 2:2 */ + 41, /* LAG 1:2 */ + 3, /* R0:1 */ + 76, /* LAG 3:3 */ + 58, /* LAG 2:3 */ + 40, /* LAG 1:3 */ + 39, /* LAG 1:4 */ + 17, /* LPC 2:7 */ + 16, /* LPC 2:8 */ + 12, /* LPC 1:3 */ + 11, /* LPC 1:4 */ + 10, /* LPC 1:5 */ + 9, /* LPC 1:6 */ + 2, /* R0:2 */ + 38, /* LAG 1:5 */ + 37, /* LAG 1:6 */ + 36, /* LAG 1:7 */ + 8, /* LPC 1:7 */ + 7, /* LPC 1:8 */ + 6, /* LPC 1:9 */ + 5, /* LPC 1:10 */ + 1, /* R0:3 */ + 0, /* R0:4 */ + 35, /* Mode:0 */ + 34, /* Mode:1 */ + 106, /* Code 4:0 */ + 105, /* Code 4:1 */ + 104, /* Code 4:2 */ + 103, /* Code 4:3 */ + 102, /* Code 4:4 */ + 101, /* Code 4:5 */ + 100, /* Code 4:6 */ + 99, /* Code 4:7 */ + 98, /* Code 4:8 */ + 88, /* Code 3:0 */ + 87, /* Code 3:1 */ + 86, /* Code 3:2 */ + 85, /* Code 3:3 */ + 84, /* Code 3:4 */ + 83, /* Code 3:5 */ + 82, /* Code 3:6 */ + 81, /* Code 3:7 */ +}; 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