FreeCalypso > hg > gsm-codec-lib

annotate libtwamr/pitch_ol.h @ 415:01c4becb9fda

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
libtwamr: integrate pitch_ol.c
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 07 May 2024 03:01:01 +0000
parents
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
415
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 ********************************************************************************
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 *
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 * GSM AMR-NB speech codec R98 Version 7.6.0 December 12, 2001
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 * R99 Version 3.3.0
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 * REL-4 Version 4.1.0
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 *
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 ********************************************************************************
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 *
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 * File : pitch_ol.h
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 * Purpose : Compute the open loop pitch lag.
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 *
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 ********************************************************************************
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 */
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 #ifndef pitch_ol_h
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 #define pitch_ol_h "$Id $"
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 /*
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 ********************************************************************************
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 * INCLUDE FILES
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 ********************************************************************************
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 */
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 #include "tw_amr.h"
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 #include "typedef.h"
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 #include "vad.h"
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 /*
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 ********************************************************************************
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 * DEFINITION OF DATA TYPES
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 ********************************************************************************
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 */
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 /*
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 ********************************************************************************
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 * DECLARATION OF PROTOTYPES
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 ********************************************************************************
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 */
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 Word16 Pitch_ol ( /* o : open loop pitch lag */
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 vadState *vadSt, /* i/o : VAD state struct */
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 enum Mode mode, /* i : coder mode */
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 Word16 signal[], /* i : signal used to compute the open loop pitch */
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 /* signal[-pit_max] to signal[-1] should be known */
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 Word16 pit_min, /* i : minimum pitch lag */
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 Word16 pit_max, /* i : maximum pitch lag */
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 Word16 L_frame, /* i : length of frame to compute pitch */
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 Word16 idx, /* i : frame index */
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 Flag dtx /* i : dtx flag; use dtx=1, do not use dtx=0 */
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 );
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49
01c4becb9fda libtwamr: integrate pitch_ol.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 #endif