48 lines
1.2 KiB
C
48 lines
1.2 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 All unpublished rights reserved.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_DRC2_H__
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#define __AUDIO_DRC2_H__
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#include <stdint.h>
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#define MAX_LOOK_AHEAD_TIME (10)
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typedef struct {
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int knee;
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int look_ahead_time;
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int threshold;
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float makeup_gain;
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int ratio;
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int attack_time;
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int release_time;
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} DRC2_CFG_T;
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#ifdef __cplusplus
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extern "C" {
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#endif
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void audio_drc2_open(int sample_rate, int sample_bits, int ch_num);
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void audio_drc2_close(void);
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void audio_drc2_process(uint8_t *buf_p_l, uint8_t *buf_p_r, uint32_t pcm_len);
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void audio_drc2_set_cfg(const DRC2_CFG_T *cfg);
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#ifdef __cplusplus
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}
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#endif
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#endif
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