61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
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/***************************************************************************
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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 All unpublished rights reserved.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 __SPEECH_PEAK_DETECTOR_H__
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#define __SPEECH_PEAK_DETECTOR_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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// return_type
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#define SPEECH_PEAK_DETECTOR_RETURN_MEAN (0)
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#define SPEECH_PEAK_DETECTOR_RETURN_ARRAY (1)
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typedef struct {
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int return_type;
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float factor_up;
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float factor_down;
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} SPEECH_PEAK_DETECTOR_CFG_T;
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typedef void *SPEECH_PEAK_DETECTOR_STATE_T;
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// Creat a instance from speech_peak_detector module/class
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// Common value include: sample rate, frame size and so on.
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SPEECH_PEAK_DETECTOR_STATE_T *speech_peak_detector_create(SPEECH_PEAK_DETECTOR_CFG_T *cfg, int frame_size, int sample_rate);
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// Destory a speech peak_detector instance
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int speech_peak_detector_destroy(SPEECH_PEAK_DETECTOR_STATE_T *inst);
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// Just use modify instance configure
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int speech_peak_detector_set_config(SPEECH_PEAK_DETECTOR_STATE_T *inst, SPEECH_PEAK_DETECTOR_CFG_T *cfg);
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// Enable some function
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int speech_peak_detector_ctl(SPEECH_PEAK_DETECTOR_STATE_T *inst, int ctl, void *ptr);
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// Process speech stream
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int speech_peak_detector_process(SPEECH_PEAK_DETECTOR_STATE_T *inst, int16_t *pcm_buf, int32_t pcm_len, float *out);
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// Debug speech_peak_detector instance
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int speech_peak_detector_dump(SPEECH_PEAK_DETECTOR_STATE_T *inst);
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#ifdef __cplusplus
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}
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#endif
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#endif
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