66 lines
2.4 KiB
C
66 lines
2.4 KiB
C
/***************************************************************************
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*
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* Copyright 2015-2019 BES.
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* All rights reserved. All unpublished rights reserved.
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*
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* No part of this work may be used or reproduced in any form or by any
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* means, or stored in a database or retrieval system, without prior written
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* permission of BES.
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*
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* Use of this work is governed by a license granted by BES.
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* This work contains confidential and proprietary information of
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* BES. which is protected by copyright, trade secret,
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* trademark and other intellectual property rights.
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*
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****************************************************************************/
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#ifndef __SENSORMIC_DENOISE_H__
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#define __SENSORMIC_DENOISE_H__
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct {
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int32_t bypass;
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int32_t blend_en;
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// float left_gain; // MIC Left增益补偿
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// float right_gain; // MIC Right增益补偿
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int32_t delay_tapsM; // 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
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int32_t delay_tapsS;
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// int32_t delay_tapsC;
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// float coefH[2][5]; // {{a0,a1,a2,a3,a4},{b0,b1,b2,b3,b4}}
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// float coefL[2][5]; // {{a0,a1,a2,a3,a4},{b0,b1,b2,b3,b4}}
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int32_t crossover_freq;
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float *ff_fb_coeff;
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int ff_fb_coeff_len;
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} SensorMicDenoiseConfig;
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struct SensorMicDenoiseState_;
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typedef struct SensorMicDenoiseState_ SensorMicDenoiseState;
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//SensorMicDenoiseState *sensormic_denoise_create(int32_t sample_rate, int32_t frame_size, const SensorMicDenoiseConfig *cfg);
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SensorMicDenoiseState *sensormic_denoise_create(int32_t sample_rate, int32_t frame_size, int32_t fft_size,int32_t ps_size,const SensorMicDenoiseConfig *cfg);
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int32_t sensormic_denoise_trace(SensorMicDenoiseState *st);
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int32_t sensormic_denoise_destroy(SensorMicDenoiseState *st);
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int32_t sensormic_denoise_set_config(SensorMicDenoiseState *st, const SensorMicDenoiseConfig *cfg);
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int32_t sensormic_denoise_process(SensorMicDenoiseState *st, short *pcm_buf, int32_t pcm_len, short *out_buf);
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bool sensormic_denoise_get_vad(SensorMicDenoiseState *st);
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void sensormic_denoise_set_anc_status(SensorMicDenoiseState *st, bool anc_enable);
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float sensormic_denoise_get_required_mips(SensorMicDenoiseState *st);
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#ifdef __cplusplus
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}
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#endif
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#endif
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