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/lsfwt.h
32 
33 ------------------------------------------------------------------------------
34  REVISION HISTORY
35 
36  Description: Placed header file in the proper template format.  Added
37  parameter pOverflow for the basic math ops.
38 
39  Description: Moved _cplusplus #ifdef after Include section.
40 
41  Who:                       Date:
42  Description:
43 
44 ------------------------------------------------------------------------------
45  INCLUDE DESCRIPTION
46 
47  This file contains all the constant definitions and prototype definitions
48  needed by the lsfwt.c
49 
50 ------------------------------------------------------------------------------
51 */
52 
53 /*----------------------------------------------------------------------------
54 ; CONTINUE ONLY IF NOT ALREADY DEFINED
55 ----------------------------------------------------------------------------*/
56 #ifndef lsfwt_h
57 #define lsfwt_h "$Id $"
58 
59 /*----------------------------------------------------------------------------
60 ; INCLUDES
61 ----------------------------------------------------------------------------*/
62 #include "typedef.h"
63 #include "cnst.h"
64 
65 /*--------------------------------------------------------------------------*/
66 #ifdef __cplusplus
67 extern "C"
68 {
69 #endif
70 
71     /*----------------------------------------------------------------------------
72     ; MACROS
73     ; Define module specific macros here
74     ----------------------------------------------------------------------------*/
75 
76     /*----------------------------------------------------------------------------
77     ; DEFINES
78     ; Include all pre-processor statements here.
79     ----------------------------------------------------------------------------*/
80 
81     /*----------------------------------------------------------------------------
82     ; EXTERNAL VARIABLES REFERENCES
83     ; Declare variables used in this module but defined elsewhere
84     ----------------------------------------------------------------------------*/
85 
86     /*----------------------------------------------------------------------------
87     ; SIMPLE TYPEDEF'S
88     ----------------------------------------------------------------------------*/
89 
90     /*----------------------------------------------------------------------------
91     ; ENUMERATED TYPEDEF'S
92     ----------------------------------------------------------------------------*/
93 
94     /*----------------------------------------------------------------------------
95     ; STRUCTURES TYPEDEF'S
96     ----------------------------------------------------------------------------*/
97 
98     /*----------------------------------------------------------------------------
99     ; GLOBAL FUNCTION DEFINITIONS
100     ; Function Prototype declaration
101     ----------------------------------------------------------------------------*/
102     void Lsf_wt(
103         Word16 *lsf,          /* input : LSF vector                    */
104         Word16 *wf,           /* output: square of weighting factors   */
105         Flag   * pOverflow);  /* o : Flag set when overflow occurs     */
106 
107     /*----------------------------------------------------------------------------
108     ; END
109     ----------------------------------------------------------------------------*/
110 #ifdef __cplusplus
111 }
112 #endif
113 
114 #endif /* _LSF_WT_H_ */
115 
116