kbdwin.h File Reference

#include <stdint.h>

Go to the source code of this file.

Macros
#define	FF_KBD_WINDOW_MAX   1024
	Maximum window size for avpriv_kbd_window_init. More...

Functions
int	avpriv_kbd_window_init (float *window, float alpha, int n)
	Generate a Kaiser-Bessel Derived Window. More...
int	avpriv_kbd_window_init_fixed (int32_t *window, float alpha, int n)

Macro Definition Documentation

FF_KBD_WINDOW_MAX

#define FF_KBD_WINDOW_MAX   1024

Maximum window size for avpriv_kbd_window_init.

Definition at line 27 of file kbdwin.h.

Function Documentation

avpriv_kbd_window_init()

int avpriv_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

Returns

if n is larger than FF_KBD_WINDOW_MAX then AVERROR(ENOMEM) is possible

Definition at line 61 of file kbdwin.c.

Referenced by aac_static_table_init(), ac3_decode_init(), ac3_fixed_mdct_init(), ac3_float_mdct_init(), and init_tables().

avpriv_kbd_window_init_fixed()

int avpriv_kbd_window_init_fixed	(	int32_t *	window,
		float	alpha,
		int	n
	)

Definition at line 66 of file kbdwin.c.