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

61 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 All unpublished rights reserved.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 __SPEECH_NS_H__
#define __SPEECH_NS_H__
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
#define SPEECH_NS_SET_AEC_STATE (0)
#define SPEECH_NS_SET_AEC_SUPPRESS (1)
typedef struct {
int32_t bypass;
float denoise_dB;
} SpeechNsConfig;
struct SpeechNsState_;
typedef struct SpeechNsState_ SpeechNsState;
// Creat a instance from speech_ns module/class
// Common value include: sample rate, frame size and so on.
SpeechNsState *speech_ns_create(int32_t sample_rate, int32_t frame_size, const SpeechNsConfig *cfg);
// Destory a speech ns instance
int32_t speech_ns_destroy(SpeechNsState *st);
// Just use modify instance configure
int32_t speech_ns_set_config(SpeechNsState *st, const SpeechNsConfig *cfg);
// Get/set some value or enable/disable some function
int32_t speech_ns_ctl(SpeechNsState *st, int32_t ctl, void *ptr);
// Process speech stream
int32_t speech_ns_process(SpeechNsState *st, int16_t *pcm_buf, int32_t pcm_len);
// Debug speech_ns instance
int32_t speech_ns_dump(SpeechNsState *st);
#ifdef __cplusplus
}
#endif
#endif