bpmdsp/bpm_dsp.h File Reference

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Detailed Description

libbpm digital signal processing routines

This header contains the definitions for the digital signal processing routines for libbpm.

Definition in file bpm_dsp.h.

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "bpm/bpm_defs.h"
#include "bpm/bpm_messages.h"
#include "bpm/bpm_alloc.h"
#include "bpm/bpm_nr.h"

Include dependency graph for bpm_dsp.h:

Go to the source code of this file.

Data Structures
struct	filterrep_t
struct	filter_t
Defines
#define	BESSEL
#define	BUTTERWORTH
#define	CHEBYSHEV
#define	RAISEDCOSINE
#define	RESONATOR
#define	GAUSSIAN
#define	BILINEAR_Z_TRANSFORM
#define	MATCHED_Z_TRANSFORM
#define	NO_PREWARP
#define	LOWPASS
#define	HIGHPASS
#define	BANDPASS
#define	BANDSTOP
#define	NOTCH
#define	ALLPASS
#define	MAXORDER
#define	MAXPZ
#define	FILT_EPS
#define	MAX_RESONATOR_ITER
Functions
EXTERN filter_t *	create_filter (char name[], unsigned int options, int order, int ns, double fs, double f1, double f2, double par)
EXTERN int	apply_filter (filter_t *f, double *wf)
EXTERN void	print_filter (FILE *of, filter_t *f)
EXTERN void	delete_filter (filter_t *f)
EXTERN int	filter_step_response (filter_t *f, double *wf, int itrig)
EXTERN int	filter_impulse_response (filter_t *f, double *wf, int itrig)
EXTERN filterrep_t *	create_splane_representation (filter_t *f)
EXTERN filterrep_t *	create_resonator_representation (filter_t *f)
EXTERN filterrep_t *	zplane_transform (filter_t *f, filterrep_t *s)
EXTERN void	print_filter_representation (FILE *of, filterrep_t *r)
EXTERN int	normalise_filter (filter_t *f, filterrep_t *s)
EXTERN int	calculate_filter_coefficients (filter_t *f)
EXTERN int	_expand_complex_polynomial (complex_t *w, int n, complex_t *a)
EXTERN complex_t	_eval_complex_polynomial (complex_t *a, int n, complex_t z)

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