comparison dsp/signalconditioning/Framer.h @ 225:49844bc8a895

* 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 FRAMER_H
+#define FRAMER_H
+
+//#include <io.h>
+#include <fcntl.h>
+#include <stdio.h>
+
+
+class Framer  
+{
+public:
+    void setSource( double* src, unsigned int length );
+    unsigned int getMaxNoFrames();
+    void getFrame( double* dst );
+    void configure( unsigned int frameLength, unsigned int hop );
+    Framer();
+    virtual ~Framer();
+
+    void resetCounters();
+
+private:
+
+    unsigned long	m_ulSampleLen;		// DataLength (samples)
+    unsigned int	m_framesRead;		// Read Frames Index
+
+    double*			m_srcBuffer;
+    double*			m_dataFrame;		// Analysis Frame Buffer
+    double*			m_strideFrame;		// Stride Frame Buffer
+    unsigned int	m_frameLength;		// Analysis Frame Length
+    unsigned int	m_stepSize;		// Analysis Frame Stride
+
+    unsigned int	m_maxFrames;
+
+    unsigned long	m_ulSrcIndex;
+};
+
+#endif