58 lines
1.9 KiB
C
58 lines
1.9 KiB
C
#ifndef _AUDIO_HOWLING_API_H
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#define _AUDIO_HOWLING_API_H
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#include "media/howling_api.h"
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#define TRAP_MODE 0
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#define SHIFT_PITCH_MODE 1
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#define PEMAFROW_MODE 2
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#define SHIFT_PHASE_MODE 3
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#define HOWLING_MODE SHIFT_PITCH_MODE
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#if (HOWLING_MODE == TRAP_MODE)
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#define REVERB_RUN_POINT_NUM 160 //固定160个点
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#elif (HOWLING_MODE == SHIFT_PHASE_MODE) //
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#define REVERB_RUN_POINT_NUM 256 //固定256个点
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#elif (HOWLING_MODE == PEMAFROW_MODE)
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#define REVERB_RUN_POINT_NUM 128 //固定128
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#else
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#define REVERB_RUN_POINT_NUM 0 //无限制
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#endif
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/*----------------------------------------------------------------------------*/
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/**@brief 啸叫抑制模块打开
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@param howl_para:陷波模式时为啸叫抑制参数 ,pemafrow模式为DAC输出数据buf，；
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sample_rate:输入数据采样率；
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channels: 输入数据通道数；
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mode: 0 陷波模式；1 移频模式 2 pemafrow模式
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@return 啸叫抑制句柄，
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@note 陷波模式 要外部保证每次运算数据为160点，pemafrow 为128个点
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对应模式需外部使能,默认只开 移频模式
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const int config_howling_enable_pemafrow_mode = 1;
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const int config_howling_enable_trap_mode = 1;
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const int config_howling_enable_pitchps_mode = 1;
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*/
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/*----------------------------------------------------------------------------*/
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HOWLING_API_STRUCT *open_howling(void *howl_para, u16 sample_rate, u8 channel, u8 mode);
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/*
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* 啸叫抑制模块数据处理
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*/
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void run_howling(HOWLING_API_STRUCT *howling_hdl, short *in, short *out, int len);
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/*
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* 啸叫抑制模块关闭
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*/
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void close_howling(HOWLING_API_STRUCT *holing_hdl);
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/*
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* 啸叫抑制模块暂停处理
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*/
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void pause_howling(HOWLING_API_STRUCT *holing_hdl, u8 run_mark);
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void howling_update_bypass(HOWLING_API_STRUCT *hdl, u8 bypass);
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void update_howling_parm(HOWLING_API_STRUCT *howling_hdl, void *parm);
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#endif
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