fft_table.h File Reference

definitions and tables for FFT More...

#include "libavcodec/fft.h"

Go to the source code of this file.

Macros
#define	MAX_LOG2_NFFT   17
	Specifies maximum allowed fft size. More...
#define	MAX_FFT_SIZE   (1 << MAX_LOG2_NFFT)

Functions
void	ff_fft_lut_init (uint16_t *table, int off, int size, int *index)

Variables
const int32_t	ff_w_tab_sr []
uint16_t	ff_fft_offsets_lut []

Detailed Description

definitions and tables for FFT

Definition in file fft_table.h.

Macro Definition Documentation

MAX_LOG2_NFFT

#define MAX_LOG2_NFFT   17

Specifies maximum allowed fft size.

Definition at line 59 of file fft_table.h.

Referenced by ff_fft_end().

MAX_FFT_SIZE

#define MAX_FFT_SIZE   (1 << MAX_LOG2_NFFT)

Definition at line 60 of file fft_table.h.

Referenced by ff_fft_end().

Function Documentation

ff_fft_lut_init()

void ff_fft_lut_init	(	uint16_t *	table,
		int	off,
		int	size,
		int *	index
	)

Definition at line 317 of file fft_init_table.c.

Referenced by ff_fft_init_mips(), and ff_fft_lut_init().

Variable Documentation

ff_w_tab_sr

const int32_t ff_w_tab_sr[]

Definition at line 56 of file fft_init_table.c.

Referenced by ff_fft_end().

ff_fft_offsets_lut

uint16_t ff_fft_offsets_lut[]

Definition at line 315 of file fft_init_table.c.

Referenced by ff_fft_end(), and ff_fft_init_mips().