/* * Copyright (C) 2004-2010 NXP Software * Copyright (C) 2010 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef __AGC_H__ #define __AGC_H__ #ifdef __cplusplus extern "C" { #endif /* __cplusplus */ /**********************************************************************************/ /* */ /* Includes */ /* */ /**********************************************************************************/ #include "LVM_Types.h" /**********************************************************************************/ /* */ /* Types */ /* */ /**********************************************************************************/ typedef struct { LVM_INT32 AGC_Gain; /* The current AGC gain */ LVM_INT32 AGC_MaxGain; /* The maximum AGC gain */ LVM_INT32 Volume; /* The current volume setting */ LVM_INT32 Target; /* The target volume setting */ LVM_INT32 AGC_Target; /* AGC target level */ LVM_INT16 AGC_Attack; /* AGC attack scaler */ LVM_INT16 AGC_Decay; /* AGC decay scaler */ LVM_INT16 AGC_GainShift; /* The gain shift */ LVM_INT16 VolumeShift; /* Volume shift scaling */ LVM_INT16 VolumeTC; /* Volume update time constant */ } AGC_MIX_VOL_2St1Mon_D32_t; /**********************************************************************************/ /* */ /* Function Prototypes */ /* */ /**********************************************************************************/ void AGC_MIX_VOL_2St1Mon_D32_WRA(AGC_MIX_VOL_2St1Mon_D32_t *pInstance, /* Instance pointer */ const LVM_INT32 *pStSrc, /* Stereo source */ const LVM_INT32 *pMonoSrc, /* Mono source */ LVM_INT32 *pDst, /* Stereo destination */ LVM_UINT16 n); /* Number of samples */ #ifdef __cplusplus } #endif /* __cplusplus */ #endif /* __AGC_H__ */