FFmpeg
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#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. More... | |
void | av_fft_permute (FFTContext *s, FFTComplex *z) |
Do the permutation needed BEFORE calling ff_fft_calc(). More... | |
void | av_fft_calc (FFTContext *s, FFTComplex *z) |
Do a complex FFT with the parameters defined in av_fft_init(). More... | |
av_cold void | av_fft_end (FFTContext *s) |