| /* |
| * 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. |
| */ |
| |
| /****************************************************************************************/ |
| /* */ |
| /* Header file for the private layer interface of Dynamic Bass Enhancement module */ |
| /* */ |
| /* This files includes all definitions, types, structures and function */ |
| /* prototypes required by the execution layer. */ |
| /* */ |
| /****************************************************************************************/ |
| |
| #ifndef __LVDBE_PRIVATE_H__ |
| #define __LVDBE_PRIVATE_H__ |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif /* __cplusplus */ |
| |
| |
| /****************************************************************************************/ |
| /* */ |
| /* Includes */ |
| /* */ |
| /****************************************************************************************/ |
| |
| #include "LVDBE.h" /* Calling or Application layer definitions */ |
| #include "BIQUAD.h" |
| #include "LVC_Mixer.h" |
| #include "AGC.h" |
| |
| |
| /****************************************************************************************/ |
| /* */ |
| /* Defines */ |
| /* */ |
| /****************************************************************************************/ |
| |
| /* General */ |
| #define LVDBE_INVALID 0xFFFF /* Invalid init parameter */ |
| |
| /* Memory */ |
| #define LVDBE_MEMREGION_INSTANCE 0 /* Offset to the instance memory region */ |
| #define LVDBE_MEMREGION_PERSISTENT_DATA 1 /* Offset to persistent data memory region */ |
| #define LVDBE_MEMREGION_PERSISTENT_COEF 2 /* Offset to persistent coefficient region */ |
| #define LVDBE_MEMREGION_SCRATCH 3 /* Offset to data scratch memory region */ |
| |
| #define LVDBE_INSTANCE_ALIGN 4 /* 32-bit alignment for structures */ |
| #define LVDBE_PERSISTENT_DATA_ALIGN 4 /* 32-bit alignment for data */ |
| #define LVDBE_PERSISTENT_COEF_ALIGN 4 /* 32-bit alignment for coef */ |
| #define LVDBE_SCRATCH_ALIGN 4 /* 32-bit alignment for long data */ |
| |
| #define LVDBE_SCRATCHBUFFERS_INPLACE 6 /* Number of buffers required for inplace processing */ |
| |
| #define LVDBE_MIXER_TC 5 /* Mixer time */ |
| #define LVDBE_BYPASS_MIXER_TC 100 /* Bypass mixer time */ |
| |
| |
| /****************************************************************************************/ |
| /* */ |
| /* Structures */ |
| /* */ |
| /****************************************************************************************/ |
| |
| /* Data structure */ |
| #ifndef BUILD_FLOAT |
| typedef struct |
| { |
| /* AGC parameters */ |
| AGC_MIX_VOL_2St1Mon_D32_t AGCInstance; /* AGC instance parameters */ |
| |
| /* Process variables */ |
| Biquad_2I_Order2_Taps_t HPFTaps; /* High pass filter taps */ |
| Biquad_1I_Order2_Taps_t BPFTaps; /* Band pass filter taps */ |
| LVMixer3_1St_st BypassVolume; /* Bypass volume scaler */ |
| LVMixer3_2St_st BypassMixer; /* Bypass Mixer for Click Removal */ |
| |
| } LVDBE_Data_t; |
| |
| /* Coefs structure */ |
| typedef struct |
| { |
| /* Process variables */ |
| Biquad_Instance_t HPFInstance; /* High pass filter instance */ |
| Biquad_Instance_t BPFInstance; /* Band pass filter instance */ |
| |
| } LVDBE_Coef_t; |
| #else |
| /* Data structure */ |
| typedef struct |
| { |
| /* AGC parameters */ |
| AGC_MIX_VOL_2St1Mon_FLOAT_t AGCInstance; /* AGC instance parameters */ |
| |
| /* Process variables */ |
| Biquad_2I_Order2_FLOAT_Taps_t HPFTaps; /* High pass filter taps */ |
| Biquad_1I_Order2_FLOAT_Taps_t BPFTaps; /* Band pass filter taps */ |
| LVMixer3_1St_FLOAT_st BypassVolume; /* Bypass volume scaler */ |
| LVMixer3_2St_FLOAT_st BypassMixer; /* Bypass Mixer for Click Removal */ |
| |
| } LVDBE_Data_FLOAT_t; |
| |
| /* Coefs structure */ |
| typedef struct |
| { |
| /* Process variables */ |
| Biquad_FLOAT_Instance_t HPFInstance; /* High pass filter instance */ |
| Biquad_FLOAT_Instance_t BPFInstance; /* Band pass filter instance */ |
| } LVDBE_Coef_FLOAT_t; |
| #endif |
| /* Instance structure */ |
| typedef struct |
| { |
| /* Public parameters */ |
| LVDBE_MemTab_t MemoryTable; /* Instance memory allocation table */ |
| LVDBE_Params_t Params; /* Instance parameters */ |
| LVDBE_Capabilities_t Capabilities; /* Instance capabilities */ |
| |
| /* Data and coefficient pointers */ |
| #ifndef BUILD_FLOAT |
| LVDBE_Data_t *pData; /* Instance data */ |
| LVDBE_Coef_t *pCoef; /* Instance coefficients */ |
| #else |
| LVDBE_Data_FLOAT_t *pData; /* Instance data */ |
| LVDBE_Coef_FLOAT_t *pCoef; /* Instance coefficients */ |
| #endif |
| } LVDBE_Instance_t; |
| |
| |
| /****************************************************************************************/ |
| /* */ |
| /* Function prototypes */ |
| /* */ |
| /****************************************************************************************/ |
| |
| void LVDBE_SetAGC(LVDBE_Instance_t *pInstance, |
| LVDBE_Params_t *pParams); |
| |
| |
| void LVDBE_SetVolume(LVDBE_Instance_t *pInstance, |
| LVDBE_Params_t *pParams); |
| |
| |
| void LVDBE_SetFilters(LVDBE_Instance_t *pInstance, |
| LVDBE_Params_t *pParams); |
| |
| |
| #ifdef __cplusplus |
| } |
| #endif /* __cplusplus */ |
| |
| #endif /* __LVDBE_PRIVATE_H__ */ |