FreeCalypso > hg > gsm-codec-lib
annotate libtwamr/d2_11pf.h @ 547:f9535c1fbf70
efrtest: new program gsmefr-decode-tw5
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Fri, 04 Oct 2024 20:17:36 +0000 |
parents | c75327562b5e |
children |
rev | line source |
---|---|
331
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1 /* |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2 ******************************************************************************** |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
3 * |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
4 * GSM AMR-NB speech codec R98 Version 7.6.0 December 12, 2001 |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
5 * R99 Version 3.3.0 |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
6 * REL-4 Version 4.1.0 |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
7 * |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
8 ******************************************************************************** |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
9 * |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
10 * File : d2_11pf.h |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
11 * Purpose : Algebraic codebook decoder |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
12 * |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
13 ******************************************************************************** |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
14 */ |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
15 #ifndef d2_11pf_h |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
16 #define d2_11pf_h "$Id $" |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
17 |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
18 /* |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
19 ******************************************************************************** |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
20 * INCLUDE FILES |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
21 ******************************************************************************** |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
22 */ |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
23 #include "typedef.h" |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
24 |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
25 /* |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
26 ******************************************************************************** |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
27 * LOCAL VARIABLES AND TABLES |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
28 ******************************************************************************** |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
29 */ |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
30 |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
31 /* |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
32 ******************************************************************************** |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
33 * DEFINITION OF DATA TYPES |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
34 ******************************************************************************** |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
35 */ |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
36 |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
37 /* |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
38 ******************************************************************************** |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
39 * DECLARATION OF PROTOTYPES |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
40 ******************************************************************************** |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
41 */ |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
42 /************************************************************************* |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
43 * |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
44 * FUNCTION: decode_2i40_11bits (decod_ACELP()) |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
45 * |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
46 * PURPOSE: Algebraic codebook decoder for 2 pulses coded with 11 bits |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
47 * |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
48 *************************************************************************/ |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
49 |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
50 void decode_2i40_11bits( |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
51 Word16 sign, /* i : signs of 2 pulses. */ |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
52 Word16 index, /* i : Positions of the 2 pulses. */ |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
53 Word16 cod[] /* o : algebraic (fixed) codebook excitation */ |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
54 ); |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
55 |
c75327562b5e
libtwamr: integrate d2_11pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
56 #endif |