FreeCalypso > hg > gsm-codec-lib
annotate libtwamr/d3_14pf.h @ 480:332397bc80aa
doc/AMR-library-API: document public const data items
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Sun, 19 May 2024 23:18:17 +0000 |
parents | f4a5545ea8b2 |
children |
rev | line source |
---|---|
333
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1 /* |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2 ******************************************************************************** |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
3 * |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
4 * GSM AMR-NB speech codec R98 Version 7.6.0 December 12, 2001 |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
5 * R99 Version 3.3.0 |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
6 * REL-4 Version 4.1.0 |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
7 * |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
8 ******************************************************************************** |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
9 * |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
10 * File : d3_14pf.h |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
11 * Purpose : Algebraic codebook decoder |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
12 * |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
13 ******************************************************************************** |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
14 */ |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
15 #ifndef d3_14pf_h |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
16 #define d3_14pf_h "$Id $" |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
17 |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
18 /* |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
19 ******************************************************************************** |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
20 * INCLUDE FILES |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
21 ******************************************************************************** |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
22 */ |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
23 #include "typedef.h" |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
24 |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
25 /* |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
26 ******************************************************************************** |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
27 * LOCAL VARIABLES AND TABLES |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
28 ******************************************************************************** |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
29 */ |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
30 |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
31 /* |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
32 ******************************************************************************** |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
33 * DEFINITION OF DATA TYPES |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
34 ******************************************************************************** |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
35 */ |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
36 |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
37 /* |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
38 ******************************************************************************** |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
39 * DECLARATION OF PROTOTYPES |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
40 ******************************************************************************** |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
41 */ |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
42 /************************************************************************* |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
43 * |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
44 * FUNCTION: decode_3i40_14bits (decod_ACELP()) |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
45 * |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
46 * PURPOSE: Algebraic codebook decoder for 3 pulses coded with 14 bits |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
47 * |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
48 *************************************************************************/ |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
49 |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
50 void decode_3i40_14bits( |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
51 Word16 sign, /* i : signs of 3 pulses. */ |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
52 Word16 index, /* i : Positions of the 3 pulses. */ |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
53 Word16 cod[] /* o : algebraic (fixed) codebook excitation */ |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
54 ); |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
55 |
f4a5545ea8b2
libtwamr: integrate d3_14pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
56 #endif |