rv1126-external/common_algorithm/audio/rkap_anr/include/RKAP_ANR.h

61 lines
2.4 KiB
C

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