view base/PlayParameters.h @ 6:44bbf5793d84

* Rework handling of layer properties in file I/O -- we now get the individual
  layers to load and save them rather than doing it via generic property lists
  in the base class, so as to ensure we read and write meaningful values rather
  than generic int values requiring conversion.

/* -*- c-basic-offset: 4 -*-  vi:set ts=8 sts=4 sw=4: */

/*
    A waveform viewer and audio annotation editor.
    Chris Cannam, Queen Mary University of London, 2005-2006
    
    This is experimental software.  Not for distribution.
*/

#ifndef _PLAYABLE_H_
#define _PLAYABLE_H_

#include <QObject>

class PlayParameters : virtual public QObject
{
    Q_OBJECT

public:
    PlayParameters() : m_playMuted(false), m_playPan(0.0), m_playGain(1.0) { }

    virtual bool isPlayMuted() const { return m_playMuted; }
    virtual void setPlayMuted(bool muted);
    
    virtual float getPlayPan() const { return m_playPan; } // -1.0 -> 1.0
    virtual void setPlayPan(float pan);
    
    virtual float getPlayGain() const { return m_playGain; }
    virtual void setPlayGain(float gain);

signals:
    void playParametersChanged();

protected:
    bool m_playMuted;
    float m_playPan;
    float m_playGain;
};

#endif