filter.h

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/*
     Copyright (C) 2003 Paul Brossier

     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 2 of the License, or
     (at your option) any later version.

     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.

     You should have received a copy of the GNU General Public License
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

#ifndef FILTER_H
#define FILTER_H

#ifdef __cplusplus
extern "C" {
#endif

typedef struct _aubio_filter_t aubio_filter_t;

void aubio_filter_do(aubio_filter_t * b, fvec_t * in);
void aubio_filter_do_outplace(aubio_filter_t * b, fvec_t * in, fvec_t * out);
void aubio_filter_do_filtfilt(aubio_filter_t * b, fvec_t * in, fvec_t * tmp);
aubio_filter_t * new_aubio_filter(uint_t samplerate, uint_t order);
aubio_filter_t * new_aubio_adsgn_filter(uint_t samplerate);
aubio_filter_t * new_aubio_cdsgn_filter(uint_t samplerate);
void del_aubio_filter(aubio_filter_t * f);

#ifdef __cplusplus
}
#endif

#endif /*FILTER_H*/

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