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 Filename: lsp_lsf.h 31 32 ------------------------------------------------------------------------------ 33 INCLUDE DESCRIPTION 34 35 This file contains all the constant definitions and prototype definitions 36 needed by the lsp_lsf.c 37 38 ------------------------------------------------------------------------------ 39 */ 40 41 /*---------------------------------------------------------------------------- 42 ; CONTINUE ONLY IF NOT ALREADY DEFINED 43 ----------------------------------------------------------------------------*/ 44 #ifndef lsp_lsf_h 45 #define lsp_lsf_h 46 47 /*---------------------------------------------------------------------------- 48 ; INCLUDES 49 ----------------------------------------------------------------------------*/ 50 #include "typedef.h" 51 52 /*--------------------------------------------------------------------------*/ 53 #ifdef __cplusplus 54 extern "C" 55 { 56 #endif 57 58 /*---------------------------------------------------------------------------- 59 ; MACROS 60 ; Define module specific macros here 61 ----------------------------------------------------------------------------*/ 62 63 /*---------------------------------------------------------------------------- 64 ; DEFINES 65 ; Include all pre-processor statements here. 66 ----------------------------------------------------------------------------*/ 67 68 /*---------------------------------------------------------------------------- 69 ; EXTERNAL VARIABLES REFERENCES 70 ; Declare variables used in this module but defined elsewhere 71 ----------------------------------------------------------------------------*/ 72 73 /*---------------------------------------------------------------------------- 74 ; SIMPLE TYPEDEF'S 75 ----------------------------------------------------------------------------*/ 76 77 /*---------------------------------------------------------------------------- 78 ; ENUMERATED TYPEDEF'S 79 ----------------------------------------------------------------------------*/ 80 81 /*---------------------------------------------------------------------------- 82 ; STRUCTURES TYPEDEF'S 83 ----------------------------------------------------------------------------*/ 84 85 /*---------------------------------------------------------------------------- 86 ; GLOBAL FUNCTION DEFINITIONS 87 ; Function Prototype declaration 88 ----------------------------------------------------------------------------*/ 89 90 OSCL_IMPORT_REF void Lsf_lsp( 91 Word16 lsf[], /* (i) : lsf[m] normalized (range: 0.0<=val<=0.5) */ 92 Word16 lsp[], /* (o) : lsp[m] (range: -1<=val<1) */ 93 Word16 m, /* (i) : LPC order */ 94 Flag *pOverflow /* (o) : Flag set when overflow occurs */ 95 ); 96 OSCL_IMPORT_REF void Lsp_lsf( 97 Word16 lsp[], /* (i) : lsp[m] (range: -1<=val<1) */ 98 Word16 lsf[], /* (o) : lsf[m] normalized (range: 0.0<=val<=0.5) */ 99 Word16 m, /* (i) : LPC order */ 100 Flag *pOverflow /* (o) : Flag set when overflow occurs */ 101 ); 102 103 /*---------------------------------------------------------------------------- 104 ; END 105 ----------------------------------------------------------------------------*/ 106 #ifdef __cplusplus 107 } 108 #endif 109 110 #endif /* _LSP_LSF_H_ */ 111 112