/home/marsyas/marsyas/src/marsyas/SoundFileSource.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_SOUNDFILESOURCE_H
#define MARSYAS_SOUNDFILESOURCE_H

#include "realvec.h"
#include "AuFileSource.h"
#include "WavFileSource.h"
#include "RawFileSource.h"

#include "CollectionFileSource.h"

#include <cstdio>
#include <cmath>

namespace Marsyas
{
    class SoundFileSource: public MarSystem
    {
        private:
            std::string filename_;
            mrs_natural sampleSize_; //in bytes
            mrs_natural samplesRead_;
            mrs_natural samplesToRead_;
            mrs_natural nChannels_;

            MarControlPtr ctrl_pos_;
            MarControlPtr ctrl_loop_;
            MarControlPtr ctrl_hasData_;
            MarControlPtr ctrl_lastTickWithData_;
            MarControlPtr ctrl_mute_;
            MarControlPtr ctrl_advance_;
            MarControlPtr ctrl_filename_;
            MarControlPtr ctrl_currentlyPlaying_;
            MarControlPtr ctrl_previouslyPlaying_;
            MarControlPtr ctrl_regression_;
            MarControlPtr ctrl_currentLabel_;
            MarControlPtr ctrl_previousLabel_;
            MarControlPtr ctrl_nLabels_;
            MarControlPtr ctrl_labelNames_;
            MarControlPtr ctrl_currentHasData_;
            MarControlPtr ctrl_currentLastTickWithData_;
            MarControlPtr ctrl_currentCollectionNewFile_;
            MarControlPtr ctrl_startStable_;
        
            MarControlPtr ctrl_rewindToPos_;

            AbsSoundFileSource* src_;

            mrs_natural advance_;
            std::string prev_ext_;
        

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

            bool updateCurrDuration;    

        public:

            SoundFileSource(std::string name);
            SoundFileSource(const SoundFileSource& a);

            ~SoundFileSource();
            MarSystem* clone() const;

            virtual void myProcess(realvec& in,realvec& out);
            virtual bool checkType();
            virtual void getHeader();

    };


// On OS X this does not get initialized and causes core dumps in the 
// unit tests. Not sure why. 

// const mrs_string SOUNDFILESOURCE_UNDEFINEDFILENAME("defaultfile");
#define SOUNDFILESOURCE_UNDEFINEDFILENAME "defaultfile"

}//namespace Marsyas

#endif /* !MARSYAS_SOUNDFILESOURCE_H */

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