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/dec_lag3.h 35 36 Date: 01/29/2002 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: Replaced "int" and/or "char" with OSCL defined types. 45 46 Description: Moved _cplusplus #ifdef after Include section. 47 48 Description: 49 50 ------------------------------------------------------------------------------ 51 INCLUDE DESCRIPTION 52 53 This file contains all the constant definitions and prototype definitions 54 needed by the cbsearch.c 55 56 ------------------------------------------------------------------------------ 57 */ 58 59 /*---------------------------------------------------------------------------- 60 ; CONTINUE ONLY IF NOT ALREADY DEFINED 61 ----------------------------------------------------------------------------*/ 62 #ifndef cbsearch_h 63 #define cbsearch_h "$Id $" 64 65 66 /*---------------------------------------------------------------------------- 67 ; INCLUDES 68 ----------------------------------------------------------------------------*/ 69 #include "typedef.h" 70 #include "mode.h" 71 72 /*--------------------------------------------------------------------------*/ 73 #ifdef __cplusplus 74 extern "C" 75 { 76 #endif 77 78 /*---------------------------------------------------------------------------- 79 ; MACROS 80 ; Define module specific macros here 81 ----------------------------------------------------------------------------*/ 82 83 /*---------------------------------------------------------------------------- 84 ; DEFINES 85 ; Include all pre-processor statements here. 86 ----------------------------------------------------------------------------*/ 87 88 /*---------------------------------------------------------------------------- 89 ; EXTERNAL VARIABLES REFERENCES 90 ; Declare variables used in this module but defined elsewhere 91 ----------------------------------------------------------------------------*/ 92 93 /*---------------------------------------------------------------------------- 94 ; SIMPLE TYPEDEF'S 95 ----------------------------------------------------------------------------*/ 96 97 /*---------------------------------------------------------------------------- 98 ; ENUMERATED TYPEDEF'S 99 ----------------------------------------------------------------------------*/ 100 101 /*---------------------------------------------------------------------------- 102 ; STRUCTURES TYPEDEF'S 103 ----------------------------------------------------------------------------*/ 104 105 /*---------------------------------------------------------------------------- 106 ; GLOBAL FUNCTION DEFINITIONS 107 ; Function Prototype declaration 108 ----------------------------------------------------------------------------*/ 109 110 void cbsearch(Word16 x[], /* i : target vector, Q0 */ 111 Word16 h[], /* i : impulse response of weighted synthesis */ 112 /* filter h[-L_subfr..-1] must be set to */ 113 /* zero. Q12 */ 114 Word16 T0, /* i : Pitch lag */ 115 Word16 pitch_sharp, /* i : Last quantized pitch gain, Q14 */ 116 Word16 gain_pit,/* i : Pitch gain, Q14 */ 117 Word16 res2[], /* i : Long term prediction residual, Q0 */ 118 Word16 code[], /* o : Innovative codebook, Q13 */ 119 Word16 y[], /* o : filtered fixed codebook excitation, Q12 */ 120 Word16 **anap, /* o : Signs of the pulses */ 121 enum Mode mode, /* i : coder mode */ 122 Word16 subNr, /* i : subframe number */ 123 Flag *pOverflow /* o : Flag set when overflow occurs */ 124 ); 125 126 /*---------------------------------------------------------------------------- 127 ; END 128 ----------------------------------------------------------------------------*/ 129 #ifdef __cplusplus 130 } 131 #endif 132 133 #endif /* _CBSEARCH_H_ */ 134 135 136 137