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

48 lines
1.2 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 All unpublished rights reserved.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 AGC_H
#define AGC_H
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
int32_t bypass;
int32_t target_level;
int32_t compression_gain;
int32_t limiter_enable;
} AgcConfig;
struct AgcState_;
typedef struct AgcState_ AgcState;
AgcState *agc_state_create(int32_t sample_rate, int32_t frame_size, const AgcConfig *cfg);
int32_t agc_state_destroy(AgcState *st);
int32_t agc_set_config(AgcState *st, const AgcConfig *cfg);
int32_t agc_process(AgcState *st, int16_t *pcm_buf, int32_t pcm_len);
#ifdef __cplusplus
}
#endif
#endif