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 32 33 34 Filename: /audio/gsm_amr/c/include/enc_lag6.h 35 36 Date: 02/05/2002 37 38 ------------------------------------------------------------------------------ 39 REVISION HISTORY 40 41 Description: Placed header file in the proper template format. Added 42 parameter pOverflow for the basic math ops. 43 44 Description: Moved _cplusplus #ifdef after Include section. 45 46 Description: 47 48 ------------------------------------------------------------------------------ 49 INCLUDE DESCRIPTION 50 51 This file contains all the constant definitions and prototype definitions 52 needed by the file, enc_lag6.c 53 54 ------------------------------------------------------------------------------ 55 */ 56 57 /*---------------------------------------------------------------------------- 58 ; CONTINUE ONLY IF NOT ALREADY DEFINED 59 ----------------------------------------------------------------------------*/ 60 #ifndef enc_lag6_h 61 #define enc_lag6_h "$Id $" 62 63 /*---------------------------------------------------------------------------- 64 ; INCLUDES 65 ----------------------------------------------------------------------------*/ 66 #include "typedef.h" 67 68 /*--------------------------------------------------------------------------*/ 69 #ifdef __cplusplus 70 extern "C" 71 { 72 #endif 73 74 /*---------------------------------------------------------------------------- 75 ; MACROS 76 ; Define module specific macros here 77 ----------------------------------------------------------------------------*/ 78 79 /*---------------------------------------------------------------------------- 80 ; DEFINES 81 ; Include all pre-processor statements here. 82 ----------------------------------------------------------------------------*/ 83 84 /*---------------------------------------------------------------------------- 85 ; EXTERNAL VARIABLES REFERENCES 86 ; Declare variables used in this module but defined elsewhere 87 ----------------------------------------------------------------------------*/ 88 89 /*---------------------------------------------------------------------------- 90 ; SIMPLE TYPEDEF'S 91 ----------------------------------------------------------------------------*/ 92 93 /*---------------------------------------------------------------------------- 94 ; ENUMERATED TYPEDEF'S 95 ----------------------------------------------------------------------------*/ 96 97 /*---------------------------------------------------------------------------- 98 ; STRUCTURES TYPEDEF'S 99 ----------------------------------------------------------------------------*/ 100 101 /*---------------------------------------------------------------------------- 102 ; GLOBAL FUNCTION DEFINITIONS 103 ; Function Prototype declaration 104 ----------------------------------------------------------------------------*/ 105 Word16 Enc_lag6( /* o : Return index of encoding */ 106 Word16 T0, /* i : Pitch delay */ 107 Word16 T0_frac, /* i : Fractional pitch delay */ 108 Word16 T0_min, /* i : minimum of search range */ 109 Word16 delta_flag, /* i : Flag for 1st (or 3rd) subframe */ 110 Flag *pOverflow /* o : Overflow indicator */ 111 ); 112 113 /*---------------------------------------------------------------------------- 114 ; END 115 ----------------------------------------------------------------------------*/ 116 #ifdef __cplusplus 117 } 118 #endif 119 120 #endif /* enc_lag6_h */ 121 122 123