1/* ------------------------------------------------------------------
2 * Copyright (C) 1998-2009 PacketVideo
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
13 * express or implied.
14 * See the License for the specific language governing permissions
15 * and limitations under the License.
16 * -------------------------------------------------------------------
17 */
18/****************************************************************************************
19Portions of this file are derived from the following 3GPP standard:
20
21    3GPP TS 26.073
22    ANSI-C code for the Adaptive Multi-Rate (AMR) speech codec
23    Available from http://www.3gpp.org
24
25(C) 2004, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC)
26Permission to distribute, modify and use this file under the standard license
27terms listed above has been obtained from the copyright holder.
28****************************************************************************************/
29/*
30------------------------------------------------------------------------------
31
32
33
34 Filename: /audio/gsm_amr/c/src/include/inter_36.h
35
36     Date: 01/29/2002
37
38------------------------------------------------------------------------------
39 REVISION HISTORY
40
41 Description: Moved _cplusplus #ifdef after Include section.
42
43 Description:
44
45------------------------------------------------------------------------------
46 INCLUDE DESCRIPTION
47
48      File             : inter_36.h
49      Purpose          : Interpolating the normalized correlation
50                       : with 1/3 or 1/6 resolution.
51
52------------------------------------------------------------------------------
53*/
54
55#ifndef _INTER_36_H_
56#define _INTER_36_H_
57#define inter_36_h "$Id $"
58
59/*----------------------------------------------------------------------------
60; INCLUDES
61----------------------------------------------------------------------------*/
62#include "typedef.h"
63
64/*--------------------------------------------------------------------------*/
65#ifdef __cplusplus
66extern "C"
67{
68#endif
69
70    /*----------------------------------------------------------------------------
71    ; MACROS
72    ; [Define module specific macros here]
73    ----------------------------------------------------------------------------*/
74
75    /*----------------------------------------------------------------------------
76    ; DEFINES
77    ; [Include all pre-processor statements here.]
78    ----------------------------------------------------------------------------*/
79
80    /*----------------------------------------------------------------------------
81    ; EXTERNAL VARIABLES REFERENCES
82    ; [Declare variables used in this module but defined elsewhere]
83    ----------------------------------------------------------------------------*/
84
85    /*----------------------------------------------------------------------------
86    ; SIMPLE TYPEDEF'S
87    ----------------------------------------------------------------------------*/
88
89    /*----------------------------------------------------------------------------
90    ; ENUMERATED TYPEDEF'S
91    ----------------------------------------------------------------------------*/
92
93    /*----------------------------------------------------------------------------
94    ; STRUCTURES TYPEDEF'S
95    ----------------------------------------------------------------------------*/
96
97
98    /*----------------------------------------------------------------------------
99    ; GLOBAL FUNCTION DEFINITIONS
100    ; [List function prototypes here]
101    ----------------------------------------------------------------------------*/
102    Word16 Interpol_3or6(   /* (o)  : interpolated value                        */
103        Word16 *x,          /* (i)  : input vector                              */
104        Word16 frac,        /* (i)  : fraction  (-2..2 for 3*, -3..3 for 6*)    */
105        Word16 flag3,        /* (i)  : if set, upsampling rate = 3 (6 otherwise) */
106        Flag   *pOverflow
107    );
108
109
110
111#ifdef __cplusplus
112}
113#endif
114
115#endif  /* _INTER_36_H_ */
116
117
118