#ifndef _ALG_PFC_H__

/*
to avoid the FS
effect to be clearly audible, a system equipped with an FS
filter should operate 6 dB below the MSG
*/
typedef enum{
	PFC_PM,
	PFC_FM,
	PFC_FS, //FSÓнϴóµÄMSG£¬µ«¶ÔÒôÀÖÐźŲ»ÊÊÓ¦¡£
	PFC_DM, //DMÔÚµÍƵÉϱíÏֽϲî
}pfc_type;

void* pfc_create(int smpRate,int smpNum , pfc_type type);

int pfc_process(void* handle , const float* input ,float* output);

void pfc_destroy(void* handle);

void pfc_set_type (void* handle ,  pfc_type type);

#endif