/home/marsyas/marsyas/src/marsyas/WavFileSource2.h

/*
** Copyright (C) 1998-2006 George Tzanetakis <gtzan@cs.uvic.ca>
**  
** 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.
** 
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
** GNU General Public License for more details.
** 
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software 
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/

#ifndef MARSYAS_WAVFILESOURCE2_H
#define MARSYAS_WAVFILESOURCE2_H

#include "common_header.h"
#include "AbsSoundFileSource2.h"

#include <string>
#include <cstring>
#include <cstdio>

namespace Marsyas
{
class WavFileSource2: public AbsSoundFileSource2
{
    private:
        short *sdata_;
        unsigned char *cdata_;

        FILE *sfp_;
        long sfp_begin_;

        mrs_natural sampleSize_; //in bytes
        short sval_;
        unsigned short bits_;

        mrs_natural samplesToRead_;
        mrs_natural samplesRead_;
        mrs_natural samplesToWrite_;

        void addControls();
        void myUpdate(MarControlPtr sender);
        
        unsigned long ByteSwapLong(unsigned long nLongNumber);
        unsigned short ByteSwapShort (unsigned short nValue);

        //mrs_natural getLinear8(mrs_natural c, realvec& win);
        mrs_natural getLinear16(realvec& win); 

        void hdrError();
        bool getHeader();

    public:
        WavFileSource2(std::string name);
        WavFileSource2(const WavFileSource2& a); //[!][?]
        ~WavFileSource2();
        MarSystem* clone() const;  

        realvec& getAudioRegion(mrs_natural startSample, mrs_natural endSample);

        void myProcess(realvec& in, realvec &out);
};

}//namespace Marsyas


#endif     /* MARSYAS_WAVFILESOURCE2_H */ 

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