midiexport.h

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#ifndef MIDIEXPORT_H_
#define MIDIEXPORT_H_
 
#include <QTextStream>
#include <QString>
#include <QList>
#include <QVector>
#include <QByteArray>
 
#include "score/keysignature.h"
#include "score/timesignature.h"
#include "score/clef.h"
#include "score/barline.h"
#include "score/note.h"
#include "score/rest.h"
#include "score/document.h"
#include "score/lyricscontext.h"
#include "score/syllable.h"
 
#include "export/export.h"
#include "interface/mididevice.h"
#include "interface/playback.h"
 
 
class CAMidiExport : public CAExport, public CAMidiDevice {
public:
        CAMidiExport( QTextStream *out=0 );
 
/*
    // Interface to file export //
*/
        QMap<int, QString> getOutputPorts() { return m_InputPorts; }
        QMap<int, QString> getInputPorts() { return m_OutputPorts; }
 
        bool openOutputPort(int port) { return true; }  // return true on success, false otherwise
        bool openInputPort(int port) { return true; }   // return true on success, false otherwise
        void closeOutputPort() { }
        void closeInputPort() { }
        void send(QVector<unsigned char> message, int time);
        void sendMetaEvent(int timeLength, int event, int a, int b, int c);
        void writeFile(); // direct access to the writing
 
/*
        // Polling export status //
        // Setter methods are private!
*/
 
private:
        QByteArray writeTime(int time);
        void exportDocumentImpl(CADocument *doc);
        void exportSheetImpl(CASheet *sheet);
        int midiTrackCount;
        QByteArray trackChunk;                                  // for the time beeing we build one big track
        int timeIncrement(int time);
        int _trackTime;                                                 // which this is the time line for
        QVector<QByteArray> trackChunks;                // for the future
        QVector<int> trackTimes;
        void streamQByteArray( QByteArray x );  // streaming binary data to midi file, possibly with print for debugging
        QByteArray variableLengthValue(int value);
        QByteArray word16(int x);
        QByteArray textEvent(int time, QString s);
        QByteArray trackEnd(void);
        QByteArray timeSignature(void);
        QByteArray keySignature(void);
        void setChunkLength( QByteArray *x );
 
/*
 
        // Helper methods //
 
        // Getter/Setter methods //
*/
        inline void setCurVoice(CAVoice *voice) { _curVoice = voice; }
        inline void setCurSheet(CASheet *sheet) { _curSheet = sheet; }
/*
        // Members //
        QTextStream *_out;
*/
        CAVoice *_curVoice;
        CASheet *_curSheet;
 
        // Dummy members for getOutputPorts/getInputPorts
        QMap<int, QString> m_InputPorts;
        QMap<int, QString> m_OutputPorts;
 
/*
        CAContext *_curContext;
        int _curContextIndex;
        int _curIndentLevel;
*/
};
 
#endif /* MIDIEXPORT_H_*/