summaryrefslogtreecommitdiffstats
path: root/noatun/modules/winskin/vis/realFFTFilter.h
diff options
context:
space:
mode:
Diffstat (limited to 'noatun/modules/winskin/vis/realFFTFilter.h')
-rw-r--r--noatun/modules/winskin/vis/realFFTFilter.h49
1 files changed, 49 insertions, 0 deletions
diff --git a/noatun/modules/winskin/vis/realFFTFilter.h b/noatun/modules/winskin/vis/realFFTFilter.h
new file mode 100644
index 00000000..255e5191
--- /dev/null
+++ b/noatun/modules/winskin/vis/realFFTFilter.h
@@ -0,0 +1,49 @@
+/*
+ a FFT filter
+ Copyright (C) 1998 Martin Vogt;Philip VanBaren, 2 September 1993
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation.
+
+ For more information look at the file COPYRIGHT in this package
+
+ */
+
+
+
+
+#ifndef __REALFFTFILTER_H
+#define __REALFFTFILTER_H
+
+
+
+#include "realFFT.h"
+#include <limits.h>
+
+
+
+class RealFFTFilter {
+
+ int fftPoints;
+ RealFFT* realFFT;
+
+ short* data;
+
+
+ public:
+ RealFFTFilter(int points);
+ ~RealFFTFilter();
+ int fft16(float* left,float* right,int len);
+
+ int* getBitReversed();
+ int getPoints();
+ short* getPointPtr();
+
+ private:
+ int min(int x1,int x2);
+
+};
+
+
+#endif