1b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/* ------------------------------------------------------------------
2b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * Copyright (C) 1998-2009 PacketVideo
3b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber *
4b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * Licensed under the Apache License, Version 2.0 (the "License");
5b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * you may not use this file except in compliance with the License.
6b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * You may obtain a copy of the License at
7b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber *
8b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber *      http://www.apache.org/licenses/LICENSE-2.0
9b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber *
10b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * Unless required by applicable law or agreed to in writing, software
11b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * distributed under the License is distributed on an "AS IS" BASIS,
12b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
13b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * express or implied.
14b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * See the License for the specific language governing permissions
15b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * and limitations under the License.
16b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * -------------------------------------------------------------------
17b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber */
18b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/****************************************************************************************
19b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas HuberPortions of this file are derived from the following 3GPP standard:
20b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber
21b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    3GPP TS 26.073
22b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    ANSI-C code for the Adaptive Multi-Rate (AMR) speech codec
23b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    Available from http://www.3gpp.org
24b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber
25b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber(C) 2004, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC)
26b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas HuberPermission to distribute, modify and use this file under the standard license
27b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huberterms listed above has been obtained from the copyright holder.
28b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber****************************************************************************************/
29b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/*
30b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------
31b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber
32b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber
33b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber
34b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Filename: /audio/gsm_amr/c/include/set_sign.h
35b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber
36b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber     Date: 08/11/2000
37b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber
38b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------
39b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber REVISION HISTORY
40b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber
41b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber
42b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Description: Changed function prototype for set_sign12k2(); pointer to
43b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber                overflow flag is passed in as a parameter.
44b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber
45b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Description: Moved _cplusplus #ifdef after Include section.
46b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber
47b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Description:
48b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber
49b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber
50b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------
51b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber INCLUDE DESCRIPTION
52b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber
53b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber This file contains all the constant definitions and prototype definitions
54b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber needed by the set_sign() and set_sign12k2() function.
55b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber
56b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------
57b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber*/
58b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber
59b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber#ifndef SET_SIGN_H
60b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber#define SET_SIGN_H "@(#)$Id $"
61b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber
62b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/*----------------------------------------------------------------------------
63b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber; INCLUDES
64b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber----------------------------------------------------------------------------*/
65b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber#include    "basicop_malloc.h"
66b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber
67b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/*--------------------------------------------------------------------------*/
68b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber#ifdef __cplusplus
69b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huberextern "C"
70b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber{
71b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber#endif
72b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber
73b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    /*----------------------------------------------------------------------------
74b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    ; MACROS
75b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    ; Define module specific macros here
76b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    ----------------------------------------------------------------------------*/
77b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber
78b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    /*----------------------------------------------------------------------------
79b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    ; DEFINES
80b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    ; Include all pre-processor statements here.
81b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    ----------------------------------------------------------------------------*/
82b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber
83b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    /*----------------------------------------------------------------------------
84b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    ; EXTERNAL VARIABLES REFERENCES
85b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    ; Declare variables used in this module but defined elsewhere
86b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    ----------------------------------------------------------------------------*/
87b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber
88b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    /*----------------------------------------------------------------------------
89b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    ; SIMPLE TYPEDEF'S
90b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    ----------------------------------------------------------------------------*/
91b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber
92b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    /*----------------------------------------------------------------------------
93b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    ; ENUMERATED TYPEDEF'S
94b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    ----------------------------------------------------------------------------*/
95b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber
96b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    /*----------------------------------------------------------------------------
97b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    ; STRUCTURES TYPEDEF'S
98b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    ----------------------------------------------------------------------------*/
99b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber
100b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    /*----------------------------------------------------------------------------
101b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    ; GLOBAL FUNCTION DEFINITIONS
102b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    ; Function Prototype declaration
103b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    ----------------------------------------------------------------------------*/
104b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    void set_sign(Word16 dn[],   /* i/o : correlation between target and h[]    */
105b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    Word16 sign[], /* o   : sign of dn[]                          */
106b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    Word16 dn2[],  /* o   : maximum of correlation in each track. */
107b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    Word16 n       /* i   : # of maximum correlations in dn2[]    */
108b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber                 );
109b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber
110b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    void set_sign12k2(
111b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber        Word16 dn[],        /* i/o : correlation between target and h[]         */
112b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber        Word16 cn[],        /* i   : residual after long term prediction        */
113b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber        Word16 sign[],      /* o   : sign of d[n]                               */
114b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber        Word16 pos_max[],   /* o   : position of maximum correlation            */
115b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber        Word16 nb_track,    /* i   : number of tracks tracks                    */
116b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber        Word16 ipos[],      /* o   : starting position for each pulse           */
117b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber        Word16 step,        /* i   : the step size in the tracks                */
118b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber        Flag   *pOverflow   /* i/o : overflow flag                              */
119b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    );
120b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    /*----------------------------------------------------------------------------
121b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    ; END
122b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber    ----------------------------------------------------------------------------*/
123b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber#ifdef __cplusplus
124b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber}
125b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber#endif
126b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber
127b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber#endif /* _SET_SIGN_H_ */
128