pred_lt.h revision 4f1efc098cb5791c3e9f483f2af84aef70d2d0a0 
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 Filename: /audio/gsm_amr/c/include/pred_lt.h
31
32------------------------------------------------------------------------------
33 REVISION HISTORY
34
35 Description: Moved _cplusplus #ifdef after Include section.
36
37 Who:                       Date:
38 Description:
39
40------------------------------------------------------------------------------
41 INCLUDE DESCRIPTION
42
43 This file contains all the constant definitions and prototype definitions
44 needed by the pred_lt function.
45
46------------------------------------------------------------------------------
47*/
48
49/*----------------------------------------------------------------------------
50; CONTINUE ONLY IF NOT ALREADY DEFINED
51----------------------------------------------------------------------------*/
52#ifndef pred_lt_h
53#define pred_lt_h "$Id $"
54
55/*----------------------------------------------------------------------------
56; INCLUDES
57----------------------------------------------------------------------------*/
58#include "typedef.h"
59
60/*--------------------------------------------------------------------------*/
61#ifdef __cplusplus
62extern "C"
63{
64#endif
65
66    /*----------------------------------------------------------------------------
67    ; MACROS
68    ; Define module specific macros here
69    ----------------------------------------------------------------------------*/
70
71    /*----------------------------------------------------------------------------
72    ; DEFINES
73    ; Include all pre-processor statements here.
74    ----------------------------------------------------------------------------*/
75
76    /*----------------------------------------------------------------------------
77    ; EXTERNAL VARIABLES REFERENCES
78    ; Declare variables used in this module but defined elsewhere
79    ----------------------------------------------------------------------------*/
80
81    /*----------------------------------------------------------------------------
82    ; SIMPLE TYPEDEF'S
83    ----------------------------------------------------------------------------*/
84
85    /*----------------------------------------------------------------------------
86    ; ENUMERATED TYPEDEF'S
87    ----------------------------------------------------------------------------*/
88
89    /*----------------------------------------------------------------------------
90    ; STRUCTURES TYPEDEF'S
91    ----------------------------------------------------------------------------*/
92
93    /*----------------------------------------------------------------------------
94    ; GLOBAL FUNCTION DEFINITIONS
95    ; Function Prototype declaration
96    ----------------------------------------------------------------------------*/
97    void Pred_lt_3or6(
98        Word16 exc[],     /* in/out: excitation buffer                          */
99        Word16 T0,        /* input : integer pitch lag                          */
100        Word16 frac,      /* input : fraction of lag                            */
101        Word16 L_subfr,   /* input : subframe size                              */
102        Word16 flag3,     /* input : if set, upsampling rate = 3 (6 otherwise)  */
103        Flag  *pOverflow  /* output: if set, overflow occurred in this function */
104    );
105
106    /*----------------------------------------------------------------------------
107    ; END
108    ----------------------------------------------------------------------------*/
109#ifdef __cplusplus
110}
111#endif
112
113#endif /* PRED_LT_H */
114