89 lines
2.9 KiB
C
89 lines
2.9 KiB
C
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#ifndef __MIC_STREAM_H__
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#define __MIC_STREAM_H__
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#include "system/includes.h"
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#include "media/includes.h"
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enum {
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MIC_EFFECT_CONFIG_NOISEGATE = 0x0, //噪声压制，主要压制无人声时底噪
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MIC_EFFECT_CONFIG_DODGE, //闪避
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MIC_EFFECT_CONFIG_DVOL, //数字音量
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MIC_EFFECT_CONFIG_HOWLING, //移频啸叫抑制
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MIC_EFFECT_CONFIG_HOWLING_TRAP, //陷波啸叫抑制
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MIC_EFFECT_CONFIG_EQ0, //MIC EQ0
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MIC_EFFECT_CONFIG_ENERGY_DETECT,//能量检测
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MIC_EFFECT_CONFIG_SOFT_SRC, //变采样
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MIC_EFFECT_CONFIG_LINEIN, //linein 叠加，仅限声卡使用
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MIC_EFFECT_CONFIG_DIGIT_ENHANCE,//数字放大，提升mic灵敏度
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MIC_EFFECT_CONFIG_DEBUG_SOUND_PRESSURE,//实时声压检测计算
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};
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struct __mic_stream_io {
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void *priv;
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u32(*func)(void *priv, void *in, void *out, u32 inlen, u32 outlen);
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};
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struct __mic_stream_parm {
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u16 sample_rate;
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u16 point_unit;
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u16 dac_delay;
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u16 mic_gain;
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};
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struct __mic_stream {
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struct adc_mic_ch mic_ch;
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struct audio_adc_output_hdl adc_output;
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struct __mic_stream_parm *parm;
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struct __mic_stream_io out;
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OS_SEM sem;
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volatile u8 busy: 1;
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volatile u8 release: 1;
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volatile u8 revert: 6;
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s16 *adc_buf;
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int adc_buf_len;
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};
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typedef struct __mic_stream mic_stream;
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/*----------------------------------------------------------------------------*/
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/**@brief 创建mic数据流
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@param 采样率、增益、ADC中断输出点数、dac延时
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@return 数据流句柄
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@note
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*/
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/*----------------------------------------------------------------------------*/
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mic_stream *mic_stream_creat(struct __mic_stream_parm *parm);
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/*----------------------------------------------------------------------------*/
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/**@brief 释放mic数据流
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@param 数据流句柄
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@return
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@note
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*/
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/*----------------------------------------------------------------------------*/
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void mic_stream_destroy(mic_stream **hdl);
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/*----------------------------------------------------------------------------*/
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/**@brief 启动mic
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@param struct __mic_stream *
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@return true - 成功, false - 失败.
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@note
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*/
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/*----------------------------------------------------------------------------*/
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bool mic_stream_start(mic_stream *stream);
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/*----------------------------------------------------------------------------*/
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/**@brief 设置mic数据流回调函数
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@param
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@return
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@note
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*/
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/*----------------------------------------------------------------------------*/
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void mic_stream_set_output(struct __mic_stream *stream, void *priv, u32(*func)(void *priv, void *in, void *out, u32 inlen, u32 outlen));
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#endif// __MIC_STREAM_H__
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