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comparison libtwamr/set_sign.h @ 314:15c354f75110

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libtwamr: integrate set_sign.c
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 18 Apr 2024 16:58:25 +0000
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313:69b9a1eeb5a2 314:15c354f75110
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 : set_sign.h
11 * Purpose : Builds sign vector according to "dn[]" and "cn[]".
12 *
13 ********************************************************************************
14 */
15 /*
16 ********************************************************************************
17 * MODULE INCLUDE FILE AND VERSION ID
18 ********************************************************************************
19 */
20 #ifndef set_sign_h
21 #define set_sign_h "@(#)$Id $"
22 /*
23 ********************************************************************************
24 * INCLUDE FILES
25 ********************************************************************************
26 */
27 #include "typedef.h"
28
29 /*
30 ********************************************************************************
31 * DECLARATION OF PROTOTYPES
32 ********************************************************************************
33 */
34 void set_sign(Word16 dn[], /* i/o : correlation between target and h[] */
35 Word16 sign[], /* o : sign of dn[] */
36 Word16 dn2[], /* o : maximum of correlation in each track. */
37 Word16 n /* i : # of maximum correlations in dn2[] */
38 );
39
40 void set_sign12k2 (
41 Word16 dn[], /* i/o : correlation between target and h[] */
42 Word16 cn[], /* i : residual after long term prediction */
43 Word16 sign[], /* o : sign of d[n] */
44 Word16 pos_max[], /* o : position of maximum correlation */
45 Word16 nb_track, /* i : number of tracks tracks */
46 Word16 ipos[], /* o : starting position for each pulse */
47 Word16 step /* i : the step size in the tracks */
48 );
49
50 #endif