25 lines
722 B
C
25 lines
722 B
C
#ifndef FILTPARM_CAL_api_h__
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#define FILTPARM_CAL_api_h__
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enum {
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TYPE_LOWPASS = 0x01,
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TYPE_HIGHPASS,
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TYPE_BANDPASS,
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TYPE_NORTCH,
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TYPE_LOWPASS_A,
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TYPE_HIGHPASS_A,
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TYPE_NULL
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};
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typedef struct __BFILT_FUNC_API_ {
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int (*needbuf)(); //开了3个的空间
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int (*open)(void *ptr);
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int (*init)(void *ptr, int freq, int bw, int filt_type, int samplerate, int filtNUM); //滤波器中心频率，带宽，滤波器类型,第几个滤波
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int (*cal_coef)(void *ptr, int *filtTab, int gain, int filtNUM); //传入增益，计算到的滤波器表
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void (*run)(void *ptr, short *data, int len);
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} BFILT_FUNC_API;
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extern BFILT_FUNC_API *get_bfiltTAB_func_api();
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#endif
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