kbdwin.c File Reference

#include "libavutil/avassert.h"
#include "libavutil/mathematics.h"
#include "libavutil/attributes.h"
#include "kbdwin.h"

Go to the source code of this file.

Macros
#define	BESSEL_I0_ITER   50

Functions
av_cold void	ff_kbd_window_init (float *window, float alpha, int n)
	Generate a Kaiser-Bessel Derived Window. More...
av_cold void	ff_kbd_window_init_fixed (int32_t *window, float alpha, int n)

Macro Definition Documentation

BESSEL_I0_ITER

#define BESSEL_I0_ITER   50

Definition at line 24 of file kbdwin.c.

Referenced by ff_kbd_window_init().

Function Documentation

ff_kbd_window_init()

av_cold void ff_kbd_window_init	(	float *	window,
		float	alpha,
		int	n
	)

Generate a Kaiser-Bessel Derived Window.

Parameters

window	pointer to half window
alpha	determines window shape
n	size of half window, max FF_KBD_WINDOW_MAX

Definition at line 26 of file kbdwin.c.

Referenced by aac_static_table_init(), ac3_decode_init(), dsp_init(), ff_ac3_float_mdct_init(), ff_kbd_window_init_fixed(), and init_tables().

ff_kbd_window_init_fixed()

av_cold void ff_kbd_window_init_fixed	(	int32_t *	window,
		float	alpha,
		int	n
	)

Definition at line 49 of file kbdwin.c.