Quasimodo.h

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#ifndef Quasimodo_h
#define Quasimodo_h

#include <QObject>
#include <QAudioOutput>
#include <QIODevice>

#include "ChoirNameSpace.h"
#include "MusicData.h"

namespace choir {

class Quasimodo : public QIODevice
{
Q_OBJECT

public:
   Quasimodo(QObject * parent = NULL);

   ~Quasimodo();
   
signals:
   void RangLocalBells(quint64 notesChord);

public slots:
   void SetupTheBells();

   void SetLocalNoteAssignments(quint64 notesChord) {_localNotesChord = notesChord;}

   void RingSomeBells(quint64 notesChord, bool localNotesOnly);

   void DestroyTheBells();

protected:
   virtual qint64 readData(char * data, qint64 maxSize);

   virtual qint64 writeData(const char * /*data*/, qint64 maxSize) {return maxSize;}

private:
   void MixSamples(int16 * mixTo, uint32 numSamplesToMix, uint32 inputSampleOffset, uint64 notesChord) const;

   QAudioOutput * _audioOutput;
   uint64 _localNotesChord;
   uint64 _sampleCounter;

   QByteArray _noteBufs[NUM_CHOIR_NOTES];
   uint32 _maxNoteLengthSamples;

   Hashtable<uint64, uint64> _sampleIndexToNotesChord;
};

}; // end namespace choir

#endif