/*
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* Copyright (C) 2020, Fuzhou Rockchip Electronics Co., Ltd.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of Fuzhou Rockchip Electronics Co., Ltd. nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __RKAP_ANR_H__
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#define __RKAP_ANR_H__
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#include "RKAP_Common.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct RKAP_ANR_State_S
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{
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/* Basic info */
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int swSampleRate; /* 8k~48k */
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int swFrameLen; /* frame time only 10ms|16ms|20ms */
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int enHpfSwitch; /* HighPass Filter Enable */
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int enLpfSwitch; /* LowPass Filter Enable */
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float fPostAddGain; /* post-gain */
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float fGmin; /* spectral gain floor,unit:(dB),default:-30dB */
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float fNoiseFactor; /* noise suppression factor,default:0.98 */
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float fHpfFc; /* High Pass Filter cut-off frequency */
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float fLpfFc; /* Low Pass Filter cut-off frequency */
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} RKAP_ANR_State;
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extern RKAP_Handle RKAP_ANR_Init(RKAP_ANR_State *st);
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extern void RKAP_ANR_Destroy(RKAP_Handle handle);
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extern int RKAP_ANR_Process(RKAP_Handle handle, short *pfSigIn, short *pfSigOut);
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extern int RKAP_ANR_Control(RKAP_Handle handle, int request, void *arg);
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extern void RKAP_ANR_DumpVersion(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __RKAP_ANR_H__ */
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