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 23 extern "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 41 typedef 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 56 57 /**********************************************************************************/ 58 /* */ 59 /* Function Prototypes */ 60 /* */ 61 /**********************************************************************************/ 62 63 void AGC_MIX_VOL_2St1Mon_D32_WRA(AGC_MIX_VOL_2St1Mon_D32_t *pInstance, /* Instance pointer */ 64 const LVM_INT32 *pStSrc, /* Stereo source */ 65 const LVM_INT32 *pMonoSrc, /* Mono source */ 66 LVM_INT32 *pDst, /* Stereo destination */ 67 LVM_UINT16 n); /* Number of samples */ 68 69 #ifdef __cplusplus 70 } 71 #endif /* __cplusplus */ 72 73 74 #endif /* __AGC_H__ */ 75 76 77 78 79 80 81 82 83 84 85
