avfft.c File Reference

#include "libavutil/attributes.h"
#include "libavutil/mem.h"
#include "avfft.h"
#include "fft.h"
#include "rdft.h"
#include "dct.h"

Go to the source code of this file.

Functions
FFTContext *	av_fft_init (int nbits, int inverse)
	Set up a complex FFT.
void	av_fft_permute (FFTContext *s, FFTComplex *z)
	Do the permutation needed BEFORE calling ff_fft_calc().
void	av_fft_calc (FFTContext *s, FFTComplex *z)
	Do a complex FFT with the parameters defined in av_fft_init().
av_cold void	av_fft_end (FFTContext *s)