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GstFFT — General FFT functions and declarations
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GstFFTS16 — FFT functions for signed 16 bit integer samples
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GstFFTS32 — FFT functions for signed 32 bit integer samples
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GstFFTF32 — FFT functions for 32 bit float samples
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GstFFTF64 — FFT functions for 64 bit float samples
        The gstfft library is based on
        kissfft
        by Mark Borgerding.
      
        This library should be linked to by getting cflags and libs from
        gstreamer-plugins-base-1.0.pc and adding
        -lgstfft-1.0 to the library flags.