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comparison libtwamr/ex_ctrl.h @ 364:3f27ca24c620

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libtwamr: integrate ex_ctrl.c
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 06 May 2024 02:54:36 +0000
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363:0349de7c45b7 364:3f27ca24c620
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 : ex_ctrl.h
11 * Purpose : Excitation Control module in background noise
12 *
13 ********************************************************************************
14 */
15 #ifndef ex_ctrl_h
16 #define ex_ctrl_h "$Id $"
17
18 /*
19 ********************************************************************************
20 * INCLUDE FILES
21 ********************************************************************************
22 */
23 #include "typedef.h"
24 #include "cnst.h"
25
26 /*
27 ********************************************************************************
28 * LOCAL VARIABLES AND TABLES
29 ********************************************************************************
30 */
31 #define L_ENERGYHIST 60
32
33 /*
34 ********************************************************************************
35 * DEFINITION OF DATA TYPES
36 ********************************************************************************
37 */
38
39 /*
40 ********************************************************************************
41 * DECLARATION OF PROTOTYPES
42 ********************************************************************************
43 */
44
45 /*
46 **************************************************************************
47 *
48 * Function : Ex_ctrl
49 * Purpose : Charaterice synthesis speech and detect background noise
50 * Returns : background noise decision; 0 = bgn, 1 = no bgn
51 *
52 **************************************************************************
53 */
54 Word16 Ex_ctrl (Word16 excitation[], /*i/o: Current subframe excitation */
55 Word16 excEnergy, /* i : Exc. Energy, sqrt(totEx*totEx)*/
56 Word16 exEnergyHist[], /* i : History of subframe energies */
57 Word16 voicedHangover, /* i : # of fr. after last voiced fr.*/
58 Word16 prevBFI, /* i : Set i previous BFI */
59 Word16 carefulFlag /* i : Restrict dymamic in scaling */
60 );
61
62 #endif