Framer.h

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/* -*- 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 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