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 /* */ 23 /* Includes */ 24 /* */ 25 /**********************************************************************************/ 26 27 #include "LVM_Types.h" 28 29 /**********************************************************************************/ 30 /* */ 31 /* Types */ 32 /* */ 33 /**********************************************************************************/ 34 typedef struct 35 { 36 LVM_FLOAT AGC_Gain; /* The current AGC gain */ 37 LVM_FLOAT AGC_MaxGain; /* The maximum AGC gain */ 38 LVM_FLOAT Volume; /* The current volume setting */ 39 LVM_FLOAT Target; /* The target volume setting */ 40 LVM_FLOAT AGC_Target; /* AGC target level */ 41 LVM_FLOAT AGC_Attack; /* AGC attack scaler */ 42 LVM_FLOAT AGC_Decay; /* AGC decay scaler */ 43 LVM_FLOAT VolumeTC; /* Volume update time constant */ 44 45 } AGC_MIX_VOL_2St1Mon_FLOAT_t; 46 47 /**********************************************************************************/ 48 /* */ 49 /* Function Prototypes */ 50 /* */ 51 /**********************************************************************************/ 52 void AGC_MIX_VOL_2St1Mon_D32_WRA(AGC_MIX_VOL_2St1Mon_FLOAT_t *pInstance, /* Instance pointer */ 53 const LVM_FLOAT *pStSrc, /* Stereo source */ 54 const LVM_FLOAT *pMonoSrc, /* Mono source */ 55 LVM_FLOAT *pDst, /* Stereo destination */ 56 LVM_UINT16 n); /* Number of samples */ 57 #ifdef SUPPORT_MC 58 void AGC_MIX_VOL_Mc1Mon_D32_WRA(AGC_MIX_VOL_2St1Mon_FLOAT_t *pInstance, /* Instance pointer */ 59 const LVM_FLOAT *pStSrc, /* Source */ 60 const LVM_FLOAT *pMonoSrc, /* Mono source */ 61 LVM_FLOAT *pDst, /* Destination */ 62 LVM_UINT16 NrFrames, /* Number of frames */ 63 LVM_UINT16 NrChannels); /* Number of channels */ 64 #endif 65 66 #endif /* __AGC_H__ */ 67 68