1 files changed, 42 insertions, 0 deletions
diff --git a/libs/qm-dsp/dsp/phasevocoder/PhaseVocoder.h b/libs/qm-dsp/dsp/phasevocoder/PhaseVocoder.h
new file mode 100644
index 0000000000..6bbafc37e2
--- /dev/null
+++ b/libs/qm-dsp/dsp/phasevocoder/PhaseVocoder.h
@@ -0,0 +1,42 @@
+/* -*- 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 2005-2006 Christian Landone.
+
+    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; either version 2 of the
+    License, or (at your option) any later version.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+#ifndef PHASEVOCODER_H
+#define PHASEVOCODER_H
+
+class FFTReal;
+
+class PhaseVocoder  
+{
+public:
+    PhaseVocoder( unsigned int size );
+    virtual ~PhaseVocoder();
+
+    void process( double* src, double* mag, double* theta);
+
+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);
+    void FFTShift( unsigned int size, double* src);
+
+    unsigned int m_n;
+    FFTReal *m_fft;
+    double *m_imagOut;
+    double *m_realOut;
+
+};
+
+#endif