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/shl.h 32 33 ------------------------------------------------------------------------------ 34 REVISION HISTORY 35 36 Description: Created separate header file for shl function. 37 38 Description: Changed prototype of the mult() function. Instead of using global 39 a pointer to overflow flag is now passed into the function. 40 41 Description: Updated template. Changed the parameter name from "overflow" to 42 "pOverflow" in the function prototype declaration 43 44 Description: Moved _cplusplus #ifdef after Include section. 45 46 Who: Date: 47 Description: 48 49 ------------------------------------------------------------------------------ 50 INCLUDE DESCRIPTION 51 52 This file contains all the constant definitions and prototype definitions 53 needed by the shl function. 54 55 ------------------------------------------------------------------------------ 56 */ 57 58 /*---------------------------------------------------------------------------- 59 ; CONTINUE ONLY IF NOT ALREADY DEFINED 60 ----------------------------------------------------------------------------*/ 61 #ifndef SHL_H 62 #define SHL_H 63 64 /*---------------------------------------------------------------------------- 65 ; INCLUDES 66 ----------------------------------------------------------------------------*/ 67 #include "basicop_malloc.h" 68 69 /*--------------------------------------------------------------------------*/ 70 #ifdef __cplusplus 71 extern "C" 72 { 73 #endif 74 75 /*---------------------------------------------------------------------------- 76 ; MACROS 77 ; Define module specific macros here 78 ----------------------------------------------------------------------------*/ 79 80 /*---------------------------------------------------------------------------- 81 ; DEFINES 82 ; Include all pre-processor statements here. 83 ----------------------------------------------------------------------------*/ 84 85 /*---------------------------------------------------------------------------- 86 ; EXTERNAL VARIABLES REFERENCES 87 ; Declare variables used in this module but defined elsewhere 88 ----------------------------------------------------------------------------*/ 89 90 /*---------------------------------------------------------------------------- 91 ; SIMPLE TYPEDEF'S 92 ----------------------------------------------------------------------------*/ 93 94 /*---------------------------------------------------------------------------- 95 ; ENUMERATED TYPEDEF'S 96 ----------------------------------------------------------------------------*/ 97 98 /*---------------------------------------------------------------------------- 99 ; STRUCTURES TYPEDEF'S 100 ----------------------------------------------------------------------------*/ 101 102 /*---------------------------------------------------------------------------- 103 ; GLOBAL FUNCTION DEFINITIONS 104 ; Function Prototype declaration 105 ----------------------------------------------------------------------------*/ 106 Word16 shl(Word16 var1, Word16 var2, Flag *pOverflow); 107 108 /*---------------------------------------------------------------------------- 109 ; END 110 ----------------------------------------------------------------------------*/ 111 #ifdef __cplusplus 112 } 113 #endif 114 115 #endif /* _SHL_H_ */ 116 117 118 119