diff options
Diffstat (limited to 'tests/test5/fft.h')
-rw-r--r-- | tests/test5/fft.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/tests/test5/fft.h b/tests/test5/fft.h index 7f2f0de..02bb7de 100644 --- a/tests/test5/fft.h +++ b/tests/test5/fft.h @@ -1,14 +1,19 @@ #ifndef FFT_H #define FFT_H -#include <gtk/gtk.h> +/* Everything here comes from Audacity 1.3.13 + (orignally in C++ and with more genericity and functionnality) + Original Author : Dominic Mazzoni + Licenced under GPL 2.0 (see LICENCE) +*/ -void FFT(int NumSamples, gboolean InverseTransform, +void FFT(int NumSamples, int InverseTransform, float *RealIn, float *ImagIn, float *RealOut, float *ImagOut); void InitFFT(); int NumberOfBitsNeeded(int PowerOfTwo); inline int FastReverseBits(int i, int NumBits); int ReverseBits(int index, int NumBits); +void PowerSpectrum(float *In, float *Out); #endif |