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/q_plsf.h 32 33 ------------------------------------------------------------------------------ 34 REVISION HISTORY 35 36 Description: Placed header file in the proper template format. Added 37 parameter pOverflow for the basic math ops. 38 39 Description: Replaced "int" and/or "char" with OSCL defined types. 40 41 Description: Moved _cplusplus #ifdef after Include section. 42 43 Who: Date: 44 Description: 45 46 ------------------------------------------------------------------------------ 47 INCLUDE DESCRIPTION 48 49 This file contains all the constant definitions and prototype definitions 50 needed by the q_plsf_3.c and q_plsf_5.c 51 52 ------------------------------------------------------------------------------ 53 */ 54 55 /*---------------------------------------------------------------------------- 56 ; CONTINUE ONLY IF NOT ALREADY DEFINED 57 ----------------------------------------------------------------------------*/ 58 #ifndef q_plsf_h 59 #define q_plsf_h "$Id $" 60 61 /*---------------------------------------------------------------------------- 62 ; INCLUDES 63 ----------------------------------------------------------------------------*/ 64 #include "typedef.h" 65 #include "cnst.h" 66 #include "mode.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 #define MR795_1_SIZE 512 84 #define PAST_RQ_INIT_SIZE 8 85 86 #define DICO1_SIZE 256 87 #define DICO2_SIZE 512 88 #define DICO3_SIZE 512 89 90 #define DICO1_5_SIZE 128 91 #define DICO2_5_SIZE 256 92 #define DICO3_5_SIZE 256 93 #define DICO4_5_SIZE 256 94 #define DICO5_5_SIZE 64 95 96 #define MR515_3_SIZE 128 97 98 /*---------------------------------------------------------------------------- 99 ; EXTERNAL VARIABLES REFERENCES 100 ; Declare variables used in this module but defined elsewhere 101 ----------------------------------------------------------------------------*/ 102 103 /*---------------------------------------------------------------------------- 104 ; SIMPLE TYPEDEF'S 105 ----------------------------------------------------------------------------*/ 106 107 /*---------------------------------------------------------------------------- 108 ; ENUMERATED TYPEDEF'S 109 ----------------------------------------------------------------------------*/ 110 111 /*---------------------------------------------------------------------------- 112 ; STRUCTURES TYPEDEF'S 113 ----------------------------------------------------------------------------*/ 114 typedef struct 115 { 116 Word16 past_rq[M]; /* Past quantized prediction error, Q15 */ 117 118 } Q_plsfState; 119 120 /*---------------------------------------------------------------------------- 121 ; GLOBAL FUNCTION DEFINITIONS 122 ; Function Prototype declaration 123 ----------------------------------------------------------------------------*/ 124 125 Word16 Q_plsf_init(Q_plsfState **st); 126 /* initialize one instance of the state. 127 Stores pointer to filter status struct in *st. This pointer has to 128 be passed to Q_plsf_5 / Q_plsf_3 in each call. 129 returns 0 on success 130 */ 131 132 Word16 Q_plsf_reset(Q_plsfState *st); 133 /* reset of state (i.e. set state memory to zero) 134 returns 0 on success 135 */ 136 137 void Q_plsf_exit(Q_plsfState **st); 138 /* de-initialize state (i.e. free status struct) 139 stores NULL in *st 140 */ 141 142 void Q_plsf_3( 143 Q_plsfState *st, /* i/o: state struct */ 144 enum Mode mode, /* i : coder mode */ 145 Word16 *lsp1, /* i : 1st LSP vector Q15 */ 146 Word16 *lsp1_q, /* o : quantized 1st LSP vector Q15 */ 147 Word16 *indice, /* o : quantization indices of 3 vectors Q0 */ 148 Word16 *pred_init_i,/* o : init index for MA prediction in DTX mode */ 149 Flag *pOverflow /* o : Flag set when overflow occurs */ 150 ); 151 152 void Q_plsf_5( 153 Q_plsfState *st, 154 Word16 *lsp1, /* i : 1st LSP vector, Q15 */ 155 Word16 *lsp2, /* i : 2nd LSP vector, Q15 */ 156 Word16 *lsp1_q, /* o : quantized 1st LSP vector, Q15 */ 157 Word16 *lsp2_q, /* o : quantized 2nd LSP vector, Q15 */ 158 Word16 *indice, /* o : quantization indices of 5 matrices, Q0 */ 159 Flag *pOverflow /* o : Flag set when overflow occurs */ 160 ); 161 /*---------------------------------------------------------------------------- 162 ; END 163 ----------------------------------------------------------------------------*/ 164 #ifdef __cplusplus 165 } 166 #endif 167 168 #endif /* _Q_PLSF_H_ */ 169 170
