xref: /frameworks/av/media/libeffects/lvm/lib/StereoWidening/src/LVCS_Equaliser.h

/*
 * 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_EQUALISER_H__
#define __LVCS_EQUALISER_H__

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */


/************************************************************************************/
/*                                                                                  */
/*    Structures                                                                    */
/*                                                                                  */
/************************************************************************************/

/* Equaliser structure */
typedef struct
{
    void (*pBiquadCallBack) (Biquad_Instance_t*, LVM_INT16*, LVM_INT16*, LVM_INT16);

} LVCS_Equaliser_t;


/************************************************************************************/
/*                                                                                  */
/*    Function prototypes                                                           */
/*                                                                                  */
/************************************************************************************/

LVCS_ReturnStatus_en LVCS_EqualiserInit(LVCS_Handle_t       hInstance,
                                        LVCS_Params_t       *pParams);

LVCS_ReturnStatus_en LVCS_Equaliser(LVCS_Handle_t            hInstance,
                                    LVM_INT16                *pInputOutput,
                                    LVM_UINT16                NumSamples);


#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif  /* EQUALISER_H */