comparison dsp/phasevocoder/PhaseVocoder.h @ 0:d7116e3183f8

* Queen Mary C++ DSP library

+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    QM DSP Library
+
+    Centre for Digital Music, Queen Mary, University of London.
+    This file copyright 2005-2006 Christian Landone.
+    All rights reserved.
+*/
+
+#ifndef PHASEVOCODER_H
+#define PHASEVOCODER_H
+
+
+class PhaseVocoder  
+{
+public:
+    PhaseVocoder();
+    virtual ~PhaseVocoder();
+
+    void process( unsigned int size, double* src, double* mag, double* theta);
+    void FFTShift( unsigned int size, double* src);
+
+protected:
+    void getPhase(unsigned int size, double *theta, double *real, double *imag);
+    void coreFFT( unsigned int NumSamples, double *RealIn, double* ImagIn, double *RealOut, double *ImagOut);
+    void getMagnitude( unsigned int size, double* mag, double* real, double* imag);
+
+    double* shiftBuffer;
+    double* imagOut;
+    double* realOut;
+
+};
+
+#endif