FreeCalypso > hg > gsm-codec-lib
annotate libgsmfr2/ed_state.c @ 494:aaf4dec8bee0
libgsmhr1: implement perfect SID detection
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Mon, 17 Jun 2024 23:14:19 +0000 |
parents | ffdcdb27d673 |
children | 3a617e4e9b27 |
rev | line source |
---|---|
3
3cd5ad24b1d4
libgsmfrp: implement internal state
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1 /* |
3cd5ad24b1d4
libgsmfrp: implement internal state
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2 * In this module we implement allocation and initialization |
263
ffdcdb27d673
libgsmfr2: integrate e/d state from TU-Berlin code
Mychaela Falconia <falcon@freecalypso.org>
parents:
262
diff
changeset
|
3 * of state structures for our GSM 06.10 encoder & decoder |
ffdcdb27d673
libgsmfr2: integrate e/d state from TU-Berlin code
Mychaela Falconia <falcon@freecalypso.org>
parents:
262
diff
changeset
|
4 * based on libgsm from TU-Berlin. |
3
3cd5ad24b1d4
libgsmfrp: implement internal state
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
5 */ |
3cd5ad24b1d4
libgsmfrp: implement internal state
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
6 |
4
286d5f097eb4
libgsmfrp: implement comfort noise generation
Mychaela Falconia <falcon@freecalypso.org>
parents:
3
diff
changeset
|
7 #include <stdint.h> |
3
3cd5ad24b1d4
libgsmfrp: implement internal state
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
8 #include <stdlib.h> |
3cd5ad24b1d4
libgsmfrp: implement internal state
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
9 #include <string.h> |
256
a33edf624061
libgsmfr2: start with API definition and port of libgsmfrp code
Mychaela Falconia <falcon@freecalypso.org>
parents:
4
diff
changeset
|
10 #include "tw_gsmfr.h" |
263
ffdcdb27d673
libgsmfr2: integrate e/d state from TU-Berlin code
Mychaela Falconia <falcon@freecalypso.org>
parents:
262
diff
changeset
|
11 #include "typedef.h" |
ffdcdb27d673
libgsmfr2: integrate e/d state from TU-Berlin code
Mychaela Falconia <falcon@freecalypso.org>
parents:
262
diff
changeset
|
12 #include "ed_state.h" |
3
3cd5ad24b1d4
libgsmfrp: implement internal state
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
13 |
263
ffdcdb27d673
libgsmfr2: integrate e/d state from TU-Berlin code
Mychaela Falconia <falcon@freecalypso.org>
parents:
262
diff
changeset
|
14 struct gsmfr_0610_state *gsmfr_0610_create(void) |
3
3cd5ad24b1d4
libgsmfrp: implement internal state
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
15 { |
263
ffdcdb27d673
libgsmfr2: integrate e/d state from TU-Berlin code
Mychaela Falconia <falcon@freecalypso.org>
parents:
262
diff
changeset
|
16 struct gsmfr_0610_state *st; |
3
3cd5ad24b1d4
libgsmfrp: implement internal state
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
17 |
263
ffdcdb27d673
libgsmfr2: integrate e/d state from TU-Berlin code
Mychaela Falconia <falcon@freecalypso.org>
parents:
262
diff
changeset
|
18 st = malloc(sizeof(struct gsmfr_0610_state)); |
3
3cd5ad24b1d4
libgsmfrp: implement internal state
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
19 if (st) |
263
ffdcdb27d673
libgsmfr2: integrate e/d state from TU-Berlin code
Mychaela Falconia <falcon@freecalypso.org>
parents:
262
diff
changeset
|
20 gsmfr_0610_reset(st); |
3
3cd5ad24b1d4
libgsmfrp: implement internal state
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
21 return st; |
3cd5ad24b1d4
libgsmfrp: implement internal state
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
22 } |
3cd5ad24b1d4
libgsmfrp: implement internal state
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
23 |
263
ffdcdb27d673
libgsmfr2: integrate e/d state from TU-Berlin code
Mychaela Falconia <falcon@freecalypso.org>
parents:
262
diff
changeset
|
24 void gsmfr_0610_reset(struct gsmfr_0610_state *st) |
3
3cd5ad24b1d4
libgsmfrp: implement internal state
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
25 { |
263
ffdcdb27d673
libgsmfr2: integrate e/d state from TU-Berlin code
Mychaela Falconia <falcon@freecalypso.org>
parents:
262
diff
changeset
|
26 memset(st, 0, sizeof(struct gsmfr_0610_state)); |
ffdcdb27d673
libgsmfr2: integrate e/d state from TU-Berlin code
Mychaela Falconia <falcon@freecalypso.org>
parents:
262
diff
changeset
|
27 st->nrp = 40; |
3
3cd5ad24b1d4
libgsmfrp: implement internal state
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
28 } |