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/*
* 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.
*/
/************************************************************************************
$Author: beq07716 $
$Revision: 1001 $
$Date: 2010-06-28 13:23:02 +0200 (Mon, 28 Jun 2010) $
*************************************************************************************/
/************************************************************************************/
/* */
/* Header file for the private layer interface of concert sound. */
/* */
/* This files includes all definitions, types, structures and function */
/* prototypes required by the execution layer. */
/* */
/************************************************************************************/
#ifndef __LVCS_PRIVATE_H__
#define __LVCS_PRIVATE_H__
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/************************************************************************************/
/* */
/* Includes */
/* */
/************************************************************************************/
#include "LVCS.h" /* Calling or Application layer definitions */
#include "LVCS_StereoEnhancer.h" /* Stereo enhancer module definitions */
#include "LVCS_ReverbGenerator.h" /* Reverberation module definitions */
#include "LVCS_Equaliser.h" /* Equaliser module definitions */
#include "LVCS_BypassMix.h" /* Bypass Mixer module definitions */
#include "LVM_Timer.h"
/************************************************************************************/
/* */
/* Defines */
/* */
/************************************************************************************/
/* Configuration switch controls */
#define LVCS_STEREOENHANCESWITCH 0x0001 /* Stereo enhancement enable control */
#define LVCS_REVERBSWITCH 0x0002 /* Reverberation enable control */
#define LVCS_EQUALISERSWITCH 0x0004 /* Equaliser enable control */
#define LVCS_BYPASSMIXSWITCH 0x0008 /* Bypass mixer enable control */
/* Memory */
#define LVCS_SCRATCHBUFFERS 6 /* Number of buffers required for inplace processing */
/* General */
#define LVCS_INVALID 0xFFFF /* Invalid init parameter */
#define LVCS_BYPASS_MIXER_TC 100 /* Bypass mixer time */
/* Access to external coefficients table */
#define LVCS_NR_OF_FS 9
#define LVCS_NR_OF_CHAN_CFG 2
/************************************************************************************/
/* */
/* Types */
/* */
/************************************************************************************/
typedef LVM_UINT16 LVCS_Configuration_t; /* Internal algorithm configuration */
typedef enum
{
LVCS_HEADPHONE = 0,
LVCS_DEVICE_MAX = LVM_MAXENUM
} LVCS_OutputDevice_en;
/************************************************************************************/
/* */
/* Structures */
/* */
/************************************************************************************/
/* Volume correction structure */
typedef struct
{
LVM_INT16 CompFull; /* Post CS compression 100% effect */
LVM_INT16 CompMin; /* Post CS compression 0% effect */
LVM_INT16 GainFull; /* CS gain correct 100% effect */
LVM_INT16 GainMin; /* CS gain correct 0% effect */
} LVCS_VolCorrect_t;
/* Instance structure */
typedef struct
{
/* Public parameters */
LVCS_MemTab_t MemoryTable; /* Instance memory allocation table */
LVCS_Params_t Params; /* Instance parameters */
LVCS_Capabilities_t Capabilities; /* Initialisation capabilities */
/* Private parameters */
LVCS_OutputDevice_en OutputDevice; /* Selected output device type */
LVCS_VolCorrect_t VolCorrect; /* Volume correction settings */
LVM_INT16 TransitionGain; /* Transition gain */
/* Sub-block configurations */
LVCS_StereoEnhancer_t StereoEnhancer; /* Stereo enhancer configuration */
LVCS_ReverbGenerator_t Reverberation; /* Reverberation configuration */
LVCS_Equaliser_t Equaliser; /* Equaliser configuration */
LVCS_BypassMix_t BypassMix; /* Bypass mixer configuration */
/* Bypass variable */
LVMixer3_2St_st MSBypassMixer; /* Bypass mixer used in transitions in MS mode */
LVM_INT16 bInOperatingModeTransition; /* Operating mode transition flag */
LVM_INT16 bTimerDone; /* Timer completion flag */
LVM_Timer_Params_t TimerParams; /* Timer parameters */
LVM_Timer_Instance_t TimerInstance; /* Timer instance */
} LVCS_Instance_t;
/* Coefficient Structure */
typedef struct
{
Biquad_Instance_t EqualiserBiquadInstance;
Biquad_Instance_t ReverbBiquadInstance;
Biquad_Instance_t SEBiquadInstanceMid;
Biquad_Instance_t SEBiquadInstanceSide;
} LVCS_Coefficient_t;
/* Data Structure */
typedef struct
{
Biquad_2I_Order2_Taps_t EqualiserBiquadTaps;
Biquad_2I_Order2_Taps_t ReverbBiquadTaps;
Biquad_1I_Order1_Taps_t SEBiquadTapsMid;
Biquad_1I_Order2_Taps_t SEBiquadTapsSide;
} LVCS_Data_t;
void LVCS_TimerCallBack ( void* hInstance,
void* pCallBackParams,
LVM_INT32 CallbackParam);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* PRIVATE_H */
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