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