kbdwin.c File Reference

#include "libavutil/avassert.h"
#include "libavutil/error.h"
#include "libavutil/libm.h"
#include "libavutil/mathematics.h"
#include "libavutil/attributes.h"
#include "libavutil/mem.h"
#include "kbdwin.h"

Go to the source code of this file.

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

Function Documentation

kbd_window_init()

static av_cold int kbd_window_init ( float *  float_window, int *  int_window, float  alpha, int  n  )

static

Definition at line 27 of file kbdwin.c.

Referenced by avpriv_kbd_window_init(), and avpriv_kbd_window_init_fixed().

avpriv_kbd_window_init()

av_cold 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()

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

Definition at line 66 of file kbdwin.c.