FreeCalypso > hg > gsm-codec-lib

annotate libtwamr/g_pitch.h @ 523:86d4ec69b36c

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
miscutil: new program tw5a-dump
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 19 Sep 2024 04:13:28 +0000
parents bd4f660eb75a
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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