45 lines
1.3 KiB
C
45 lines
1.3 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 All unpublished rights reserved.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 __FIR_PROCESS_H__
|
||
|
#define __FIR_PROCESS_H__
|
||
|
|
||
|
#ifdef __cplusplus
|
||
|
extern "C" {
|
||
|
#endif
|
||
|
|
||
|
#include "stdint.h"
|
||
|
#include "hal_aud.h"
|
||
|
|
||
|
#define FIR_COEF_NUM 384
|
||
|
|
||
|
typedef struct {
|
||
|
float gain;
|
||
|
int32_t len;
|
||
|
int32_t coef[FIR_COEF_NUM];
|
||
|
} FIR_CFG_T;
|
||
|
|
||
|
int fir_needed_size(enum AUD_BITS_T sample_bits, int32_t frame_size);
|
||
|
int fir_open(enum AUD_SAMPRATE_T sample_rate, enum AUD_BITS_T sample_bits,enum AUD_CHANNEL_NUM_T ch_num, void *eq_buf, uint32_t len);
|
||
|
int fir_set_cfg(const FIR_CFG_T *cfg);
|
||
|
int fir_set_cfg_ch(const FIR_CFG_T *cfg,enum AUD_CHANNEL_NUM_T ch);
|
||
|
int fir_run(uint8_t *buf, uint32_t len);
|
||
|
int fir_close(void);
|
||
|
|
||
|
#ifdef __cplusplus
|
||
|
}
|
||
|
#endif
|
||
|
|
||
|
#endif
|