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https://github.com/cookiengineer/audacity
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27 lines
591 B
C
27 lines
591 B
C
#ifndef __realfftf_h
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#define __realfftf_h
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#define fft_type float
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typedef struct FFTParamType {
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int *BitReversed;
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fft_type *SinTable;
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int 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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} FFTParam;
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#define HFFT FFTParam *
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HFFT InitializeFFT(int);
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void EndFFT(HFFT);
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HFFT GetFFT(int);
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void ReleaseFFT(HFFT);
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void CleanupFFT();
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void RealFFTf(fft_type *,HFFT);
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void InverseRealFFTf(fft_type *,HFFT);
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void ReorderToTime(HFFT hFFT, fft_type *buffer, fft_type *TimeOut);
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void ReorderToFreq(HFFT hFFT, fft_type *buffer, fft_type *RealOut, fft_type *ImagOut);
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#endif
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