libavcodec/kbdwin.c File Reference

#include <assert.h>
#include <libavutil/mathematics.h>
#include "libavutil/attributes.h"
#include "kbdwin.h"

Go to the source code of this file.

Defines

#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.


Define Documentation

#define BESSEL_I0_ITER   50

Definition at line 24 of file kbdwin.c.

Referenced by ff_kbd_window_init().


Function Documentation

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_decode_init(), aac_encode_init(), ac3_decode_init(), and ff_ac3_float_mdct_init().


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