45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
/***************************************************************************
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*
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* Copyright 2015-2019 BES.
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* All rights reserved. All unpublished rights reserved.
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*
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* No part of this work may be used or reproduced in any form or by any
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* means, or stored in a database or retrieval system, without prior written
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* permission of BES.
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*
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* Use of this work is governed by a license granted by BES.
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* This work contains confidential and proprietary information of
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* BES. which is protected by copyright, trade secret,
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* trademark and other intellectual property rights.
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*
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****************************************************************************/
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#ifndef __FIR_PROCESS_H__
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#define __FIR_PROCESS_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "stdint.h"
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#include "hal_aud.h"
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#define FIR_COEF_NUM 384
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typedef struct {
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float gain;
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int32_t len;
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int32_t coef[FIR_COEF_NUM];
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} FIR_CFG_T;
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int fir_needed_size(enum AUD_BITS_T sample_bits, int32_t frame_size);
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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);
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int fir_set_cfg(const FIR_CFG_T *cfg);
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int fir_set_cfg_ch(const FIR_CFG_T *cfg,enum AUD_CHANNEL_NUM_T ch);
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int fir_run(uint8_t *buf, uint32_t len);
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int fir_close(void);
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#ifdef __cplusplus
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}
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#endif
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#endif |