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/l_extract.h 32 33 ------------------------------------------------------------------------------ 34 REVISION HISTORY 35 36 Description: Updated function prototype declaration to reflect new interface. 37 A pointer to overflow flag is passed into the function. Updated 38 template. 39 40 Description: Moved _cplusplus #ifdef after Include section. 41 42 Who: Date: 43 Description: 44 45 ------------------------------------------------------------------------------ 46 INCLUDE DESCRIPTION 47 48 This file contains all the constant definitions and prototype definitions 49 needed by the L_extract function. 50 51 ------------------------------------------------------------------------------ 52 */ 53 54 /*---------------------------------------------------------------------------- 55 ; CONTINUE ONLY IF NOT ALREADY DEFINED 56 ----------------------------------------------------------------------------*/ 57 #ifndef L_EXTRACT_H 58 #define L_EXTRACT_H 59 60 /*---------------------------------------------------------------------------- 61 ; INCLUDES 62 ----------------------------------------------------------------------------*/ 63 #include "typedef.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 /*---------------------------------------------------------------------------- 78 ; DEFINES 79 ; Include all pre-processor statements here. 80 ----------------------------------------------------------------------------*/ 81 82 /*---------------------------------------------------------------------------- 83 ; EXTERNAL VARIABLES REFERENCES 84 ; Declare variables used in this module but defined elsewhere 85 ----------------------------------------------------------------------------*/ 86 87 /*---------------------------------------------------------------------------- 88 ; SIMPLE TYPEDEF'S 89 ----------------------------------------------------------------------------*/ 90 91 /*---------------------------------------------------------------------------- 92 ; ENUMERATED TYPEDEF'S 93 ----------------------------------------------------------------------------*/ 94 95 /*---------------------------------------------------------------------------- 96 ; STRUCTURES TYPEDEF'S 97 ----------------------------------------------------------------------------*/ 98 99 /*---------------------------------------------------------------------------- 100 ; GLOBAL FUNCTION DEFINITIONS 101 ; Function Prototype declaration 102 ----------------------------------------------------------------------------*/ 103 void L_Extract(Word32 L_var, 104 Word16 *pL_var_hi, 105 Word16 *pL_var_lo, 106 Flag *pOverflow); 107 108 /*---------------------------------------------------------------------------- 109 ; END 110 ----------------------------------------------------------------------------*/ 111 #ifdef __cplusplus 112 } 113 #endif 114 115 #endif /* _L_EXTRACT_H_ */ 116