/home/marsyas/marsyas/src/marsyas/AuFileSource.h

/*
** Copyright (C) 1998-2010 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_AUFILESOURCE_H
#define MARSYAS_AUFILESOURCE_H

#include "AbsSoundFileSource.h"


#include <string> 
#include <vector> 

namespace Marsyas
{
    struct snd_header;
    

    class AuFileSource: public AbsSoundFileSource
    {

        private:
        snd_header* hdr_;
            std::string tfname_;
            std::string filename_;
  
            short *sdata_;
            short sval_;
            unsigned short usval_;
  
            unsigned char *cdata_;
            FILE *sfp_;
            long sfp_begin_;
  
            mrs_natural sampleSize_;// in bytes
            mrs_natural size_;  
            mrs_natural csize_;

            mrs_natural samplesOut_;
 
            std::vector<std::string> sndFormats_;
            std::vector<int>    sndFormatSizes_;
  
            mrs_natural nChannels_;
            mrs_natural samplesToRead_;
            mrs_natural samplesToWrite_;
            mrs_natural samplesRead_;
 
            mrs_real duration_;
            mrs_natural advance_;
            mrs_natural cindex_;
            mrs_natural nt_;
  
            mrs_real repetitions_;

            unsigned long ByteSwapLong(unsigned long nLongNumber);
            unsigned short ByteSwapShort (unsigned short nValue);

            void addControls();
            void myUpdate(MarControlPtr sender);

            MarControlPtr ctrl_size_;
            MarControlPtr ctrl_pos_;
  
 
        public:
            AuFileSource(std::string name);
            AuFileSource(const AuFileSource& a);
            ~AuFileSource();
            MarSystem* clone() const;    

            void getHeader(std::string filename);
            mrs_natural getLinear16(realvec& win);
            
            void myProcess(realvec& in,realvec &out);
            
    };

}//namespace Marsyas

#endif    /* !MARSYAS_AUFILESOURCE_H */ 

    

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