Chris@297: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@297: 
Chris@297: /*
Chris@297:     Sonic Visualiser
Chris@297:     An audio file viewer and annotation editor.
Chris@297:     Centre for Digital Music, Queen Mary, University of London.
Chris@297:     This file copyright 2007 QMUL.
Chris@297:     
Chris@297:     This program is free software; you can redistribute it and/or
Chris@297:     modify it under the terms of the GNU General Public License as
Chris@297:     published by the Free Software Foundation; either version 2 of the
Chris@297:     License, or (at your option) any later version.  See the file
Chris@297:     COPYING included with this distribution for more information.
Chris@297: */
Chris@297: 
Chris@297: #ifndef _ALIGNMENT_MODEL_H_
Chris@297: #define _ALIGNMENT_MODEL_H_
Chris@297: 
Chris@297: #include "Model.h"
Chris@407: #include "PathModel.h"
Chris@338: #include "base/RealTime.h"
Chris@338: 
Chris@338: #include <QString>
Chris@338: #include <QStringList>
Chris@297: 
Chris@297: class SparseTimeValueModel;
Chris@297: 
Chris@297: class AlignmentModel : public Model
Chris@297: {
Chris@297:     Q_OBJECT
Chris@297: 
Chris@297: public:
Chris@297:     AlignmentModel(Model *reference,
Chris@297:                    Model *aligned,
Chris@297:                    Model *inputModel, // probably an AggregateWaveModel; I take ownership
Chris@297:                    SparseTimeValueModel *path); // I take ownership
Chris@297:     ~AlignmentModel();
Chris@297: 
Chris@297:     virtual bool isOK() const;
Chris@929:     virtual int getStartFrame() const;
Chris@929:     virtual int getEndFrame() const;
Chris@929:     virtual int getSampleRate() const;
Chris@297:     virtual Model *clone() const;
Chris@297:     virtual bool isReady(int *completion = 0) const;
Chris@297:     virtual const ZoomConstraint *getZoomConstraint() const;
Chris@297: 
Chris@345:     QString getTypeName() const { return tr("Alignment"); }
Chris@345: 
Chris@297:     const Model *getReferenceModel() const;
Chris@297:     const Model *getAlignedModel() const;
Chris@297: 
Chris@929:     int toReference(int frame) const;
Chris@929:     int fromReference(int frame) const;
Chris@297: 
Chris@407:     void setPath(PathModel *path);
Chris@407: 
Chris@407:     virtual void toXml(QTextStream &stream,
Chris@407:                        QString indent = "",
Chris@407:                        QString extraAttributes = "") const;
Chris@407: 
Chris@297: signals:
Chris@297:     void modelChanged();
Chris@947:     void modelChangedWithin(int startFrame, int endFrame);
Chris@297:     void completionChanged();
Chris@297: 
Chris@297: protected slots:
Chris@297:     void pathChanged();
Chris@947:     void pathChangedWithin(int startFrame, int endFrame);
Chris@297:     void pathCompletionChanged();
Chris@297: 
Chris@297: protected:
Chris@297:     Model *m_reference; // I don't own this
Chris@297:     Model *m_aligned; // I don't own this
Chris@297: 
Chris@297:     Model *m_inputModel; // I own this
Chris@338: 
Chris@338:     SparseTimeValueModel *m_rawPath; // I own this
Chris@338:     mutable PathModel *m_path; // I own this
Chris@338:     mutable PathModel *m_reversePath; // I own this
Chris@323:     bool m_pathBegun;
Chris@297:     bool m_pathComplete;
Chris@297: 
Chris@338:     void constructPath() const;
Chris@297:     void constructReversePath() const;
Chris@297: 
Chris@929:     int align(PathModel *path, int frame) const;
Chris@297: };
Chris@297: 
Chris@297: #endif