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

62 lines
2.4 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 All unpublished rights reserved.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 __LEFTRIGHT_DENOISE_H__
#define __LEFTRIGHT_DENOISE_H__
#include <stdint.h>
#include "ae_macros.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
int32_t bypass;
float delay_taps; // MIC L/R delay samples. 0: 适用于麦克距离为<2cm; 1: 适用于麦克距离为2cm左右; 2: 适用于麦克距离为4cm左右
int32_t freq_smooth_enable; // 1: 频域滤波打开; 0: 频域滤波关闭; 默认打开
int32_t wnr_enable; // wind noise reduction enable
int32_t delay_enable;
} LeftRightDenoiseConfig;
struct LeftRightDenoiseState_;
typedef struct LeftRightDenoiseState_ LeftRightDenoiseState;
#ifndef LEFTRIGHT_DENOISE_IMPL
#define LEFTRIGHT_DENOISE_IMPL float
#endif
#define leftright_denoise_create CONSTRUCT_FUNC_NAME(leftright_denoise, LEFTRIGHT_DENOISE_IMPL, create)
#define leftright_denoise_destroy CONSTRUCT_FUNC_NAME(leftright_denoise, LEFTRIGHT_DENOISE_IMPL, destroy)
#define leftright_denoise_set_config CONSTRUCT_FUNC_NAME(leftright_denoise, LEFTRIGHT_DENOISE_IMPL, set_config)
#define leftright_denoise_process CONSTRUCT_FUNC_NAME(leftright_denoise, LEFTRIGHT_DENOISE_IMPL, process)
#define leftright_denoise_get_delay CONSTRUCT_FUNC_NAME(leftright_denoise, LEFTRIGHT_DENOISE_IMPL, get_delay)
LeftRightDenoiseState *leftright_denoise_create(int32_t sample_rate, int32_t frame_size, const LeftRightDenoiseConfig *cfg);
int32_t leftright_denoise_destroy(LeftRightDenoiseState *st);
int32_t leftright_denoise_set_config(LeftRightDenoiseState *st, const LeftRightDenoiseConfig *cfg);
int32_t leftright_denoise_process(LeftRightDenoiseState *st, short *pcm_buf, int32_t pcm_len, short *out_buf);
int32_t leftright_denoise_get_delay(LeftRightDenoiseState *st);
#ifdef __cplusplus
}
#endif
#endif