1 files changed, 69 insertions, 0 deletions
diff --git a/libs/qm-dsp/dsp/signalconditioning/DFProcess.h b/libs/qm-dsp/dsp/signalconditioning/DFProcess.h
new file mode 100644
index 0000000000..cba779f02f
--- /dev/null
+++ b/libs/qm-dsp/dsp/signalconditioning/DFProcess.h
@@ -0,0 +1,69 @@
+/* -*- 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 CDFPROCESS_H
+#define CDFPROCESS_H
+
+#include <stdio.h>
+#include "FiltFilt.h"
+
+struct DFProcConfig{
+    unsigned int length; 
+    unsigned int LPOrd; 
+    double *LPACoeffs; 
+    double *LPBCoeffs; 
+    unsigned int winPre;
+    unsigned int winPost; 
+    double AlphaNormParam;
+    bool isMedianPositive;
+};
+
+class DFProcess  
+{
+public:
+    DFProcess( DFProcConfig Config );
+    virtual ~DFProcess();
+
+    void process( double* src, double* dst );
+
+	
+private:
+    void initialise( DFProcConfig Config );
+    void deInitialise();
+    void removeDCNormalize( double *src, double*dst );
+    void medianFilter( double* src, double* dst );
+
+    int m_length;
+    int m_FFOrd;
+
+    int m_winPre;
+    int m_winPost;
+
+    double m_alphaNormParam;
+
+    double* filtSrc;
+    double* filtDst;
+
+    double* m_filtScratchIn;
+    double* m_filtScratchOut;
+
+    FiltFiltConfig m_FilterConfigParams;
+
+    FiltFilt* m_FiltFilt;
+
+    bool m_isMedianPositive;
+};
+
+#endif