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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 __LVCS_STEREOENHANCER_H__
#define __LVCS_STEREOENHANCER_H__
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/************************************************************************************/
/* */
/* Includes */
/* */
/************************************************************************************/
#include "Filters.h" /* Filter definitions */
#include "LVCS_Headphone_Coeffs.h" /* Headphone coefficients */
#include "BIQUAD.h"
/************************************************************************************/
/* */
/* Structures */
/* */
/************************************************************************************/
/* Stereo enhancer structure */
typedef struct
{
/*
* Middle filter
*/
void (*pBiquadCallBack_Mid)(Biquad_Instance_t*, LVM_INT16*, LVM_INT16*, LVM_INT16);
/*
* Side filter
*/
void (*pBiquadCallBack_Side)(Biquad_Instance_t*, LVM_INT16*, LVM_INT16*, LVM_INT16);
LVM_UINT16 MidGain; /* Middle gain in mobile speaker mode */
} LVCS_StereoEnhancer_t;
/************************************************************************************/
/* */
/* Function prototypes */
/* */
/************************************************************************************/
LVCS_ReturnStatus_en LVCS_SEnhancerInit(LVCS_Handle_t hInstance,
LVCS_Params_t *pParams);
LVCS_ReturnStatus_en LVCS_StereoEnhancer(LVCS_Handle_t hInstance,
const LVM_INT16 *pInData,
LVM_INT16 *pOutData,
LVM_UINT16 NumSamples);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* STEREOENHANCE_H */
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