67 lines
1.8 KiB
C
67 lines
1.8 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 All unpublished rights reserved.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_AEC_H__
|
||
|
|
#define __SPEECH_AEC_H__
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define SPEECH_AEC_GET_LIB_ST (0)
|
||
|
|
|
||
|
|
/*
|
||
|
|
60
|
||
|
|
16383
|
||
|
|
4
|
||
|
|
*/
|
||
|
|
typedef struct {
|
||
|
|
int32_t bypass;
|
||
|
|
int32_t delay;
|
||
|
|
int32_t leak_estimate;
|
||
|
|
int32_t leak_estimate_shift;
|
||
|
|
} SpeechAecConfig;
|
||
|
|
|
||
|
|
struct SpeechAecState_;
|
||
|
|
|
||
|
|
typedef struct SpeechAecState_ SpeechAecState;
|
||
|
|
|
||
|
|
// Creat a instance from speech_aec module/class
|
||
|
|
// Common value include: sample rate, frame size and so on.
|
||
|
|
SpeechAecState *speech_aec_create(int32_t sample_rate, int32_t frame_size, const SpeechAecConfig *cfg);
|
||
|
|
|
||
|
|
// Destory a speech aec instance
|
||
|
|
int32_t speech_aec_destroy(SpeechAecState *st);
|
||
|
|
|
||
|
|
// Just use modify instance configure
|
||
|
|
int32_t speech_aec_set_config(SpeechAecState *st, const SpeechAecConfig *cfg);
|
||
|
|
|
||
|
|
// Get/set some value or enable/disable some function
|
||
|
|
int32_t speech_aec_ctl(SpeechAecState *st, int32_t ctl, void *ptr);
|
||
|
|
|
||
|
|
// Process speech stream
|
||
|
|
int32_t speech_aec_process(SpeechAecState *st, int16_t *pcm_in, int16_t *pcm_ref, int32_t pcm_len, int16_t *pcm_out);
|
||
|
|
|
||
|
|
// Debug speech_aec instance
|
||
|
|
int32_t speech_aec_dump(SpeechAecState *st);
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|