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engine.h

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#ifndef _ENGINE_H
#define _ENGINE_H

#include <qobject.h>
#include <kurl.h>
#include <arts/kmedia2.h>
#include <noatun/playlist.h>

class Visualization;

namespace Arts
{
        class SoundServerV2;

        class Synth_AMAN_PLAY;
}

namespace Noatun
{
        class StereoEffectStack;
        class StereoVolumeControl;
        class Equalizer;
        class Session;
}

class NoatunApp;

class Engine : public QObject
{
Q_OBJECT
friend class NoatunApp;
public:
        Engine(QObject *parent=0);
        ~Engine();
        void setInitialized();
        bool initialized() const;
        
public slots:
        bool open(const PlaylistItem &file);
        bool play();
        void pause();
        void stop();
        void seek(int msec);

        void setVolume(int percent);

        void connectPlayObject();
signals:
        void done();
        void artsError();
        
        void aboutToPlay();

public:
        int state();
        int position(); // return position in milliseconds
        int length(); // return track-length in milliseconds
        int volume() const;

private:
        int openMixerFD();
        void closeMixerFD(int);
        void useHardwareMixer(bool);
        bool initArts();

public:
        Arts::SoundServerV2 *server() const;
        Arts::PlayObject playObject() const;
        Arts::SoundServerV2 *simpleSoundServer() const;
        Noatun::StereoEffectStack *effectStack() const;
        Noatun::Equalizer *equalizer() const;
        Noatun::StereoEffectStack *visualizationStack() const;
        Noatun::StereoEffectStack *globalEffectStack() const;
        Noatun::Session *session() const;

private:
        class EnginePrivate;
        EnginePrivate *d;
        bool mPlay;
};

#endif

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