pinebuds/services/multimedia/speech/inc/wind_detection_2mic.h

52 lines
1.7 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 All unpublished rights reserved.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 __WIND_DETECTION_H__
#define __WIND_DETECTION_H__
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
int32_t bypass;
float power_thd;
} WindDetection2MicConfig;
struct WindDetection2MicState_;
typedef struct WindDetection2MicState_ WindDetection2MicState;
WindDetection2MicState *WindDetection2Mic_create(int sample_rate, int sample_bits, int frame_size, const WindDetection2MicConfig *cfg);
void WindDetection2Mic_destroy(WindDetection2MicState *st);
int32_t WindDetection2Mic_set_config(WindDetection2MicState *st, const WindDetection2MicConfig *cfg);
uint8_t wind_state_detect(uint8_t pre_wind_st, float wind_indictor, float *windindicator_cache, float *windthd, uint8_t *cur_wind_st);
float WindDetection2Mic_process_16bit(WindDetection2MicState *st, short *inF, short *inR, uint32_t frame_len, float *wind_power);
float WindDetection2Mic_process_24bit(WindDetection2MicState *st, int *inF, int *inR, uint32_t frame_len, float *wind_power);
#ifdef __cplusplus
}
#endif
#endif