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

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 All unpublished rights reserved.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