FreeCalypso > hg > gsm-codec-lib
annotate libtwamr/g_pitch.h @ 448:a2065e7d68bc
top Makefile: move libtwamr to SUBDIR_LIBPROD
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Fri, 10 May 2024 01:30:26 +0000 |
parents | bd4f660eb75a |
children |
rev | line source |
---|---|
367
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1 /* |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2 ******************************************************************************** |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
3 * |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
4 * GSM AMR-NB speech codec R98 Version 7.6.0 December 12, 2001 |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
5 * R99 Version 3.3.0 |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
6 * REL-4 Version 4.1.0 |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
7 * |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
8 ******************************************************************************** |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
9 * |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
10 * File : g_pitch.h |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
11 * Purpose : Compute the pitch (adaptive codebook) gain. |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
12 * |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
13 ******************************************************************************** |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
14 */ |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
15 #ifndef g_pitch_h |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
16 #define g_pitch_h "$Id $" |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
17 |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
18 /* |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
19 ******************************************************************************** |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
20 * INCLUDE FILES |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
21 ******************************************************************************** |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
22 */ |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
23 #include "tw_amr.h" |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
24 #include "typedef.h" |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
25 |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
26 /* |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
27 ******************************************************************************** |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
28 * DECLARATION OF PROTOTYPES |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
29 ******************************************************************************** |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
30 */ |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
31 Word16 G_pitch ( /* o : Gain of pitch lag saturated to 1.2 */ |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
32 enum Mode mode, /* i : AMR mode */ |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
33 Word16 xn[], /* i : Pitch target. */ |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
34 Word16 y1[], /* i : Filtered adaptive codebook. */ |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
35 Word16 g_coeff[], /* i : Correlations need for gain quantization. |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
36 (7.4 only). Pass NULL if not needed */ |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
37 Word16 L_subfr /* i : Length of subframe. */ |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
38 ); |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
39 |
bd4f660eb75a
libtwamr: integrate g_pitch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
40 #endif |