1 /* ------------------------------------------------------------------
2 * Copyright (C) 1998-2009 PacketVideo
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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
14 * See the License for the specific language governing permissions
15 * and limitations under the License.
16 * -------------------------------------------------------------------
18 /****************************************************************************************
19 Portions of this file are derived from the following 3GPP standard:
22 ANSI-C code for the Adaptive Multi-Rate (AMR) speech codec
23 Available from http://www.3gpp.org
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 ****************************************************************************************/
30 ------------------------------------------------------------------------------
36 ------------------------------------------------------------------------------
39 This file contains all the constant definitions and prototype definitions
40 needed by the lsp_avg.c
42 ------------------------------------------------------------------------------
45 /*----------------------------------------------------------------------------
46 ; CONTINUE ONLY IF NOT ALREADY DEFINED
47 ----------------------------------------------------------------------------*/
49 #define lsp_avg_h "$Id $"
51 /*----------------------------------------------------------------------------
53 ----------------------------------------------------------------------------*/
57 /*--------------------------------------------------------------------------*/
63 /*----------------------------------------------------------------------------
65 ; Define module specific macros here
66 ----------------------------------------------------------------------------*/
68 /*----------------------------------------------------------------------------
70 ; Include all pre-processor statements here.
71 ----------------------------------------------------------------------------*/
72 #define EXPCONST 5243 /* 0.16 in Q15 */
74 /*----------------------------------------------------------------------------
75 ; EXTERNAL VARIABLES REFERENCES
76 ; Declare variables used in this module but defined elsewhere
77 ----------------------------------------------------------------------------*/
79 /*----------------------------------------------------------------------------
81 ----------------------------------------------------------------------------*/
83 /*----------------------------------------------------------------------------
84 ; ENUMERATED TYPEDEF'S
85 ----------------------------------------------------------------------------*/
87 /*----------------------------------------------------------------------------
88 ; STRUCTURES TYPEDEF'S
89 ----------------------------------------------------------------------------*/
92 Word16 lsp_meanSave[M]; /* Averaged LSPs saved for efficiency */
95 /*----------------------------------------------------------------------------
96 ; GLOBAL FUNCTION DEFINITIONS
97 ; Function Prototype declaration
98 ----------------------------------------------------------------------------*/
100 Word16 lsp_avg_reset(
102 const Word16* mean_lsf_5_ptr
107 lsp_avgState *st, /* i/o : State struct Q15 */
108 Word16 *lsp, /* i : LSP vector Q15 */
109 Flag *pOverflow /* o : Flag set when overflow occurs */
112 /*----------------------------------------------------------------------------
114 ----------------------------------------------------------------------------*/
119 #endif /* _LSP_LSF_H_ */