pinebuds/services/multimedia/speech/inc/SubBandBasedAEC.h
2022-08-15 17:20:27 +08:00

46 lines
1.2 KiB
C

/***************************************************************************
*
* Copyright 2015-2019 BES.
* All rights reserved. All unpublished rights reserved.
*
* No part of this work may be used or reproduced in any form or by any
* means, or stored in a database or retrieval system, without prior written
* permission of BES.
*
* Use of this work is governed by a license granted by BES.
* This work contains confidential and proprietary information of
* BES. which is protected by copyright, trade secret,
* trademark and other intellectual property rights.
*
****************************************************************************/
#ifndef __SubBandAec_H__
#define __SubBandAec_H__
#ifdef __cplusplus
extern "C" {
#endif
typedef struct
{
int bypass;
int filter_size;
} SubBandAecConfig;
struct SubBandAecState_;
typedef struct SubBandAecState_ SubBandAecState;
SubBandAecState *SubBandAec_init(int sample_rate, int frame_size, const SubBandAecConfig *cfg);
void SubBandAec_destroy(SubBandAecState *st);
int32_t SubBandAec_process(SubBandAecState *st, short *datain, short *echoref, short *dataout, short Len);
float SubBandAec_get_required_mips(SubBandAecState *st);
#ifdef __cplusplus
}
#endif
#endif