FreeCalypso > hg > gsm-codec-lib

comparison libtwamr/ton_stab.h @ 405:8fff74ca83e8

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
libtwamr: integrate ton_stab.c
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 06 May 2024 23:23:40 +0000
parents
children
comparison
equal deleted inserted replaced
404:a37687c6ff22 405:8fff74ca83e8
1 /*
2 ********************************************************************************
3 *
4 * GSM AMR-NB speech codec R98 Version 7.6.0 December 12, 2001
5 * R99 Version 3.3.0
6 * REL-4 Version 4.1.0
7 *
8 ********************************************************************************
9 *
10 * File : ton_stab.h
11 * Purpose : Tone stabilization routines
12 *
13 ********************************************************************************
14 */
15 #ifndef ton_stab_h
16 #define ton_stab_h "$Id $"
17
18 /*
19 ********************************************************************************
20 * INCLUDE FILES
21 ********************************************************************************
22 */
23 #include "tw_amr.h"
24 #include "typedef.h"
25 #include "cnst.h"
26
27 /*
28 ********************************************************************************
29 * LOCAL VARIABLES AND TABLES
30 ********************************************************************************
31 */
32
33 /*
34 ********************************************************************************
35 * DEFINITION OF DATA TYPES
36 ********************************************************************************
37 */
38
39 /* state variable */
40 typedef struct {
41
42 /* counters */
43 Word16 count;
44
45 /* gain history Q11 */
46 Word16 gp[N_FRAME];
47
48 } tonStabState;
49
50 /*
51 ********************************************************************************
52 * DECLARATION OF PROTOTYPES
53 ********************************************************************************
54 */
55
56 void ton_stab_reset (tonStabState *st);
57 /* reset of pre processing state (i.e. set state memory to zero)
58 returns 0 on success
59 */
60
61 Word16 check_lsp(tonStabState *st, /* i/o : State struct */
62 Word16 *lsp /* i : unquantized LSP's */
63 );
64
65 Word16 check_gp_clipping(tonStabState *st, /* i/o : State struct */
66 Word16 g_pitch /* i : pitch gain */
67 );
68
69 void update_gp_clipping(tonStabState *st, /* i/o : State struct */
70 Word16 g_pitch /* i : pitch gain */
71 );
72
73 #endif