1/* 2 * Copyright (C) 2004-2010 NXP Software 3 * Copyright (C) 2010 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18#ifndef __AGC_H__ 19#define __AGC_H__ 20 21 22#ifdef __cplusplus 23extern "C" { 24#endif /* __cplusplus */ 25 26/**********************************************************************************/ 27/* */ 28/* Includes */ 29/* */ 30/**********************************************************************************/ 31 32#include "LVM_Types.h" 33 34 35/**********************************************************************************/ 36/* */ 37/* Types */ 38/* */ 39/**********************************************************************************/ 40#ifndef BUILD_FLOAT 41typedef struct 42{ 43 LVM_INT32 AGC_Gain; /* The current AGC gain */ 44 LVM_INT32 AGC_MaxGain; /* The maximum AGC gain */ 45 LVM_INT32 Volume; /* The current volume setting */ 46 LVM_INT32 Target; /* The target volume setting */ 47 LVM_INT32 AGC_Target; /* AGC target level */ 48 LVM_INT16 AGC_Attack; /* AGC attack scaler */ 49 LVM_INT16 AGC_Decay; /* AGC decay scaler */ 50 LVM_INT16 AGC_GainShift; /* The gain shift */ 51 LVM_INT16 VolumeShift; /* Volume shift scaling */ 52 LVM_INT16 VolumeTC; /* Volume update time constant */ 53 54} AGC_MIX_VOL_2St1Mon_D32_t; 55#else 56typedef struct 57{ 58 LVM_FLOAT AGC_Gain; /* The current AGC gain */ 59 LVM_FLOAT AGC_MaxGain; /* The maximum AGC gain */ 60 LVM_FLOAT Volume; /* The current volume setting */ 61 LVM_FLOAT Target; /* The target volume setting */ 62 LVM_FLOAT AGC_Target; /* AGC target level */ 63 LVM_FLOAT AGC_Attack; /* AGC attack scaler */ 64 LVM_FLOAT AGC_Decay; /* AGC decay scaler */ 65 LVM_FLOAT VolumeTC; /* Volume update time constant */ 66 67} AGC_MIX_VOL_2St1Mon_FLOAT_t; 68#endif 69 70/**********************************************************************************/ 71/* */ 72/* Function Prototypes */ 73/* */ 74/**********************************************************************************/ 75#ifdef BUILD_FLOAT 76void AGC_MIX_VOL_2St1Mon_D32_WRA(AGC_MIX_VOL_2St1Mon_FLOAT_t *pInstance, /* Instance pointer */ 77 const LVM_FLOAT *pStSrc, /* Stereo source */ 78 const LVM_FLOAT *pMonoSrc, /* Mono source */ 79 LVM_FLOAT *pDst, /* Stereo destination */ 80 LVM_UINT16 n); /* Number of samples */ 81#else 82void AGC_MIX_VOL_2St1Mon_D32_WRA(AGC_MIX_VOL_2St1Mon_D32_t *pInstance, /* Instance pointer */ 83 const LVM_INT32 *pStSrc, /* Stereo source */ 84 const LVM_INT32 *pMonoSrc, /* Mono source */ 85 LVM_INT32 *pDst, /* Stereo destination */ 86 LVM_UINT16 n); /* Number of samples */ 87#endif 88#ifdef __cplusplus 89} 90#endif /* __cplusplus */ 91 92 93#endif /* __AGC_H__ */ 94 95 96 97 98 99 100 101 102 103 104