filters_bfin.h File Reference

Various analysis/synthesis filters (Blackfin version). More...

#include <stdio.h>

Include dependency graph for filters_bfin.h:

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Defines
#define	OVERRIDE_NORMALIZE16
#define	OVERRIDE_FILTER_MEM2
#define	OVERRIDE_IIR_MEM2
#define	OVERRIDE_FIR_MEM2
#define	OVERRIDE_COMPUTE_IMPULSE_RESPONSE
Functions
int	normalize16 (const spx_sig_t *x, spx_word16_t *y, spx_sig_t max_scale, int len)
void	filter_mem2 (const spx_sig_t *_x, const spx_coef_t *num, const spx_coef_t *den, spx_sig_t *_y, int N, int ord, spx_mem_t *mem)
void	iir_mem2 (const spx_sig_t *_x, const spx_coef_t *den, spx_sig_t *_y, int N, int ord, spx_mem_t *mem)
void	fir_mem2 (const spx_sig_t *x, const spx_coef_t *num, spx_sig_t *y, int N, int ord, spx_mem_t *mem)
void	compute_impulse_response (const spx_coef_t *ak, const spx_coef_t *awk1, const spx_coef_t *awk2, spx_word16_t *y, int N, int ord, char *stack)

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Detailed Description

Various analysis/synthesis filters (Blackfin version).

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Define Documentation

#define OVERRIDE_COMPUTE_IMPULSE_RESPONSE

#define OVERRIDE_FILTER_MEM2

#define OVERRIDE_FIR_MEM2

#define OVERRIDE_IIR_MEM2

#define OVERRIDE_NORMALIZE16

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Function Documentation

void compute_impulse_response	(	const spx_coef_t *	ak,
		const spx_coef_t *	awk1,
		const spx_coef_t *	awk2,
		spx_word16_t *	y,
		int	N,
		int	ord,
		char *	stack
	)

void filter_mem2	(	const spx_sig_t *	_x,
		const spx_coef_t *	num,
		const spx_coef_t *	den,
		spx_sig_t *	_y,
		int	N,
		int	ord,
		spx_mem_t *	mem
	)

void fir_mem2	(	const spx_sig_t *	x,
		const spx_coef_t *	num,
		spx_sig_t *	y,
		int	N,
		int	ord,
		spx_mem_t *	mem
	)

void iir_mem2	(	const spx_sig_t *	_x,
		const spx_coef_t *	den,
		spx_sig_t *	_y,
		int	N,
		int	ord,
		spx_mem_t *	mem
	)

int normalize16	(	const spx_sig_t *	x,
		spx_word16_t *	y,
		spx_sig_t	max_scale,
		int	len
	)

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