50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
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/***************************************************************************
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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 All unpublished rights reserved.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 __AUDIO_PROCESS_H__
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#define __AUDIO_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 "iir_process.h"
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#include "fir_process.h"
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typedef enum {
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AUDIO_EQ_TYPE_SW_IIR = 0,
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AUDIO_EQ_TYPE_HW_FIR,
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AUDIO_EQ_TYPE_HW_DAC_IIR,
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AUDIO_EQ_TYPE_HW_IIR,
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} AUDIO_EQ_TYPE_T;
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int audio_process_init(void);
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int audio_process_open(enum AUD_SAMPRATE_T sample_rate, enum AUD_BITS_T sample_bits,enum AUD_CHANNEL_NUM_T sw_ch_num, enum AUD_CHANNEL_NUM_T hw_ch_num,int32_t frame_size, void *eq_buf, uint32_t len);
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int audio_process_run(uint8_t *buf, uint32_t len);
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int audio_process_close(void);
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int audio_eq_set_cfg(const FIR_CFG_T *fir_cfg,const IIR_CFG_T *iir_cfg,AUDIO_EQ_TYPE_T audio_eq_type);
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#ifdef USB_EQ_TUNING
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void audio_eq_usb_eq_update (void);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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