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comparison libtwamr/a_refl.h @ 253:54f6bc41ed10

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libtwamr: integrate a* modules
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 05 Apr 2024 06:08:15 +0000
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252:57b4053559ff 253:54f6bc41ed10
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 : a_refl.h
11 * Purpose : Convert from direct form coefficients to
12 * reflection coefficients
13 *
14 ********************************************************************************
15 */
16 #ifndef a_refl_h
17 #define a_refl_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 /*************************************************************************
39 *
40 * FUNCTION: A_Refl()
41 *
42 * PURPOSE: Convert from direct form coefficients to reflection coefficients
43 *
44 * DESCRIPTION:
45 * Directform coeffs in Q12 are converted to
46 * reflection coefficients Q15
47 *
48 *************************************************************************/
49 void A_Refl(
50 Word16 a[], /* i : Directform coefficients */
51 Word16 refl[] /* o : Reflection coefficients */
52 );
53
54 #endif