mirror of
https://github.com/cookiengineer/audacity
synced 2025-06-16 16:10:06 +02:00
24 lines
525 B
C
24 lines
525 B
C
#ifndef __realfftf_h
|
|
#define __realfftf_h
|
|
|
|
#define fft_type float
|
|
typedef struct FFTParamType {
|
|
int *BitReversed;
|
|
fft_type *SinTable;
|
|
int Points;
|
|
} FFTParam;
|
|
#define HFFT FFTParam *
|
|
|
|
HFFT InitializeFFT(int);
|
|
void EndFFT(HFFT);
|
|
HFFT GetFFT(int);
|
|
void ReleaseFFT(HFFT);
|
|
void CleanupFFT();
|
|
void RealFFTf(fft_type *,HFFT);
|
|
void InverseRealFFTf(fft_type *,HFFT);
|
|
void ReorderToTime(HFFT hFFT, fft_type *buffer, fft_type *TimeOut);
|
|
void ReorderToFreq(HFFT hFFT, fft_type *buffer, fft_type *RealOut, fft_type *ImagOut);
|
|
|
|
#endif
|
|
|