mixer.h

来自「爱可视605看PDF程式源代码, 基于APDF」· C头文件 代码 · 共 34 行

#ifndef MIXER_H
#define MIXER_H

#include <qobject.h>


class Mixer : public QObject {
	Q_OBJECT

 public:
	static Mixer *get();

	void setVolume(int val);
	void enableSpeaker(bool enable);

	int  volume() const;
	bool isSpeakerenabled() const;
	
 signals:
	void volumeChanged(int val);
	void speakerEnabled();
	void speakerDisabled();

 private:
	static Mixer s_instance;
	int m_volume;
	bool m_speaker_on;

	Mixer();
};


#endif // MIXER_H