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/qgain795.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, qgain795.c 53 54 ------------------------------------------------------------------------------ 55 */ 56 57 /*---------------------------------------------------------------------------- 58 ; CONTINUE ONLY IF NOT ALREADY DEFINED 59 ----------------------------------------------------------------------------*/ 60 #ifndef qgain795_h 61 #define qgain795_h "$Id $" 62 63 /*---------------------------------------------------------------------------- 64 ; INCLUDES 65 ----------------------------------------------------------------------------*/ 66 #include "typedef.h" 67 #include "g_adapt.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 void 107 MR795_gain_quant( 108 GainAdaptState *adapt_st, /* i/o: gain adapter state structure */ 109 Word16 res[], /* i : LP residual, Q0 */ 110 Word16 exc[], /* i : LTP excitation (unfiltered), Q0 */ 111 Word16 code[], /* i : CB innovation (unfiltered), Q13 */ 112 Word16 frac_coeff[], /* i : coefficients (5), Q15 */ 113 Word16 exp_coeff[], /* i : energy coefficients (5), Q0 */ 114 /* coefficients from calc_filt_ener() */ 115 Word16 exp_code_en, /* i : innovation energy (exponent), Q0 */ 116 Word16 frac_code_en, /* i : innovation energy (fraction), Q15 */ 117 Word16 exp_gcode0, /* i : predicted CB gain (exponent), Q0 */ 118 Word16 frac_gcode0, /* i : predicted CB gain (fraction), Q15 */ 119 Word16 L_subfr, /* i : Subframe length */ 120 Word16 cod_gain_frac, /* i : opt. codebook gain (fraction),Q15 */ 121 Word16 cod_gain_exp, /* i : opt. codebook gain (exponent), Q0 */ 122 Word16 gp_limit, /* i : pitch gain limit */ 123 Word16 *gain_pit, /* i/o: Pitch gain (unquant/quant), Q14 */ 124 Word16 *gain_cod, /* o : Code gain, Q1 */ 125 Word16 *qua_ener_MR122, /* o : quantized energy error, Q10 */ 126 /* (for MR122 MA predictor update) */ 127 Word16 *qua_ener, /* o : quantized energy error, Q10 */ 128 /* (for other MA predictor update) */ 129 Word16 **anap, /* o : Index of quantization */ 130 /* (first gain pitch, then code pitch)*/ 131 Flag *pOverflow /* o : overflow indicator */ 132 ); 133 134 /*---------------------------------------------------------------------------- 135 ; END 136 ----------------------------------------------------------------------------*/ 137 #ifdef __cplusplus 138 } 139 #endif 140 141 #endif /* qgain795_H_ */ 142 143 144