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comparison libtwamr/syn_filt.h @ 394:2af94ba0c075

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libtwamr: integrate syn_filt.c
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 06 May 2024 18:49:17 +0000
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393:a2351f2ad4f8 394:2af94ba0c075
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 : syn_filt.h
11 * Purpose : Perform synthesis filtering through 1/A(z).
12 *
13 *
14 ********************************************************************************
15 */
16 #ifndef syn_filt_h
17 #define syn_filt_h "$Id $"
18
19 /*
20 ********************************************************************************
21 * INCLUDE FILES
22 ********************************************************************************
23 */
24 #include "typedef.h"
25
26 /*
27 ********************************************************************************
28 * DEFINITION OF DATA TYPES
29 ********************************************************************************
30 */
31
32 /*
33 ********************************************************************************
34 * DECLARATION OF PROTOTYPES
35 ********************************************************************************
36 */
37
38 void Syn_filt (
39 Word16 a[], /* (i) : a[m+1] prediction coefficients (m=10) */
40 Word16 x[], /* (i) : input signal */
41 Word16 y[], /* (o) : output signal */
42 Word16 lg, /* (i) : size of filtering */
43 Word16 mem[], /* (i/o): memory associated with this filtering. */
44 Word16 update /* (i) : 0=no update, 1=update of memory. */
45 );
46
47 #endif