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 /****************************************************************************************
19 Portions 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)
26 Permission to distribute, modify and use this file under the standard license
27 terms listed above has been obtained from the copyright holder.
28 ****************************************************************************************/
29 /*
30 
31  Filename: /audio/gsm_amr/c/include/int_lsf.h
32 
33 ------------------------------------------------------------------------------
34  REVISION HISTORY
35 
36  Description: Moved _cplusplus #ifdef after Include section.
37 
38  Who:                       Date:
39  Description:
40 
41 ------------------------------------------------------------------------------
42  INCLUDE DESCRIPTION
43 
44  This file contains all the constant definitions and prototype definitions
45  needed by the int_lsf function.
46 
47 ------------------------------------------------------------------------------
48 */
49 
50 /*----------------------------------------------------------------------------
51 ; CONTINUE ONLY IF NOT ALREADY DEFINED
52 ----------------------------------------------------------------------------*/
53 #ifndef int_lsf_h
54 #define int_lsf_h "$Id $"
55 
56 /*----------------------------------------------------------------------------
57 ; INCLUDES
58 ----------------------------------------------------------------------------*/
59 #include "typedef.h"
60 
61 /*--------------------------------------------------------------------------*/
62 #ifdef __cplusplus
63 extern "C"
64 {
65 #endif
66 
67     /*----------------------------------------------------------------------------
68     ; MACROS
69     ; Define module specific macros here
70     ----------------------------------------------------------------------------*/
71 
72     /*----------------------------------------------------------------------------
73     ; DEFINES
74     ; Include all pre-processor statements here.
75     ----------------------------------------------------------------------------*/
76 
77     /*----------------------------------------------------------------------------
78     ; EXTERNAL VARIABLES REFERENCES
79     ; Declare variables used in this module but defined elsewhere
80     ----------------------------------------------------------------------------*/
81 
82     /*----------------------------------------------------------------------------
83     ; SIMPLE TYPEDEF'S
84     ----------------------------------------------------------------------------*/
85 
86     /*----------------------------------------------------------------------------
87     ; ENUMERATED TYPEDEF'S
88     ----------------------------------------------------------------------------*/
89 
90     /*----------------------------------------------------------------------------
91     ; STRUCTURES TYPEDEF'S
92     ----------------------------------------------------------------------------*/
93 
94     /*----------------------------------------------------------------------------
95     ; GLOBAL FUNCTION DEFINITIONS
96     ; Function Prototype declaration
97     ----------------------------------------------------------------------------*/
98     void Int_lsf(
99         Word16 lsf_old[], /* i : LSF vector at the 4th SF of past frame         */
100         Word16 lsf_new[], /* i : LSF vector at the 4th SF of present frame      */
101         Word16 i_subfr,   /* i : Current sf (equal to 0,40,80 or 120)           */
102         Word16 lsf_out[], /* o : interpolated LSF parameters for current sf     */
103         Flag  *pOverflow  /* o : flag set if overflow occurs                    */
104     );
105 
106     /*----------------------------------------------------------------------------
107     ; END
108     ----------------------------------------------------------------------------*/
109 #ifdef __cplusplus
110 }
111 #endif
112 
113 #endif /* _INT_LSF_H_ */
114