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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.
*/
#ifndef __LVC_MIXER_PRIVATE_H__
#define __LVC_MIXER_PRIVATE_H__
/**********************************************************************************
INCLUDE FILES
***********************************************************************************/
#include "LVC_Mixer.h"
#include "VectorArithmetic.h"
/* Instance parameter structure */
typedef struct
{
/* General */
LVM_INT32 Target; /* 32 bit number specifying fractional value of Target Gain */
LVM_INT32 Current; /* 32 bit number specifying fractional valude of Current Gain */
LVM_INT32 Shift; /* Left Shift for Integer part of Gain */
LVM_INT32 Delta; /* 32 bit number specifying the fractional value of Delta Gain */
} Mix_Private_st;
/**********************************************************************************
DEFINITIONS
***********************************************************************************/
#define LVCore_MixInSoft_D32C31_SAT LVCore_InSoft_D32C31_SAT
#define LVCore_MixSoft_1St_D32C31_WRA LVCore_Soft_1St_D32C31_WRA
#define LVCore_MixHard_2St_D32C31_SAT LVCore_Hard_2St_D32C31_SAT
/**********************************************************************************
FUNCTION PROTOTYPES (LOW LEVEL SUBFUNCTIONS)
***********************************************************************************/
/*** 16 bit functions *************************************************************/
void LVC_Core_MixInSoft_D16C31_SAT( LVMixer3_st *pInstance,
const LVM_INT16 *src,
LVM_INT16 *dst,
LVM_INT16 n);
void LVC_Core_MixSoft_1St_D16C31_WRA( LVMixer3_st *pInstance,
const LVM_INT16 *src,
LVM_INT16 *dst,
LVM_INT16 n);
void LVC_Core_MixHard_2St_D16C31_SAT( LVMixer3_st *pInstance1,
LVMixer3_st *pInstance2,
const LVM_INT16 *src1,
const LVM_INT16 *src2,
LVM_INT16 *dst,
LVM_INT16 n);
/**********************************************************************************/
/* For applying different gains to Left and right chennals */
/* ptrInstance1 applies to Left channel */
/* ptrInstance2 applies to Right channel */
/* Gain values should not be more that 1.0 */
/**********************************************************************************/
void LVC_Core_MixSoft_1St_2i_D16C31_WRA( LVMixer3_st *ptrInstance1,
LVMixer3_st *ptrInstance2,
const LVM_INT16 *src,
LVM_INT16 *dst, /* dst can be equal to src */
LVM_INT16 n); /* Number of stereo samples */
/**********************************************************************************/
/* For applying different gains to Left and right chennals */
/* ptrInstance1 applies to Left channel */
/* ptrInstance2 applies to Right channel */
/* Gain values should not be more that 1.0 */
/**********************************************************************************/
void LVC_Core_MixHard_1St_2i_D16C31_SAT( LVMixer3_st *ptrInstance1,
LVMixer3_st *ptrInstance2,
const LVM_INT16 *src,
LVM_INT16 *dst, /* dst can be equal to src */
LVM_INT16 n); /* Number of stereo samples */
/*** 32 bit functions *************************************************************/
void LVC_Core_MixInSoft_D32C31_SAT( LVMixer3_st *pInstance,
const LVM_INT32 *src,
LVM_INT32 *dst,
LVM_INT16 n);
void LVC_Core_MixSoft_1St_D32C31_WRA( LVMixer3_st *pInstance,
const LVM_INT32 *src,
LVM_INT32 *dst,
LVM_INT16 n);
void LVC_Core_MixHard_2St_D32C31_SAT( LVMixer3_st *pInstance1,
LVMixer3_st *pInstance2,
const LVM_INT32 *src1,
const LVM_INT32 *src2,
LVM_INT32 *dst,
LVM_INT16 n);
/**********************************************************************************/
#endif //#ifndef __LVC_MIXER_PRIVATE_H__
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