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

63 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 All unpublished rights reserved.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_GAIN_H__
#define __SPEECH_GAIN_H__
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
#define SPEECH_GAIN_SET_AAA (0)
#define SPEECH_GAIN_GET_AAA (1)
typedef struct {
int32_t bypass;
float gain_dB;
} SpeechGainConfig;
struct SpeechGainState_;
typedef struct SpeechGainState_ SpeechGainState;
// Creat a instance from speech_gain module/class
// Common value include: sample rate, frame size and so on.
SpeechGainState *speech_gain_create(int32_t sample_rate, int32_t frame_size, const SpeechGainConfig *cfg);
// Destory a speech gain instance
int32_t speech_gain_destroy(SpeechGainState *st);
// Just use modify instance configure
int32_t speech_gain_set_config(SpeechGainState *st, const SpeechGainConfig *cfg);
// Get/set some value or enable/disable some function
// int32_t speech_gain_ctl(SpeechGainState *st, int32_t ctl, void *ptr);
// Process speech stream
int32_t speech_gain_process(SpeechGainState *st, int16_t *pcm_buf, int32_t pcm_len);
// Debug speech_gain instance
int32_t speech_gain_dump(SpeechGainState *st);
float speech_gain_get_required_mips(SpeechGainState *st);
#ifdef __cplusplus
}
#endif
#endif