35 lines
740 B
C++
35 lines
740 B
C++
#ifndef __realfftf_h
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#define __realfftf_h
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#include "Audacity.h"
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#include "Experimental.h"
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#include "MemoryX.h"
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using fft_type = float;
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struct FFTParam {
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ArrayOf<int> BitReversed;
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ArrayOf<fft_type> SinTable;
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size_t Points;
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#ifdef EXPERIMENTAL_EQ_SSE_THREADED
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int pow2Bits;
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#endif
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};
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struct FFTDeleter{
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void operator () (FFTParam *p) const;
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};
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using HFFT = std::unique_ptr<
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FFTParam, FFTDeleter
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>;
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HFFT GetFFT(size_t);
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void RealFFTf(fft_type *, const FFTParam *);
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void InverseRealFFTf(fft_type *, const FFTParam *);
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void ReorderToTime(const FFTParam *hFFT, const fft_type *buffer, fft_type *TimeOut);
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void ReorderToFreq(const FFTParam *hFFT, const fft_type *buffer,
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fft_type *RealOut, fft_type *ImagOut);
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#endif
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