playercontrols.h Example File

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 #ifndef PLAYERCONTROLS_H
 #define PLAYERCONTROLS_H

 #include <qmediaplayer.h>

 #include <QtWidgets/qwidget.h>

 class QAbstractButton;
 class QAbstractSlider;
 class QComboBox;

 QT_USE_NAMESPACE

 class PlayerControls : public QWidget
 {
     Q_OBJECT
 public:
     PlayerControls(QWidget *parent = 0);

     QMediaPlayer::State state() const;

     int volume() const;
     bool isMuted() const;
     qreal playbackRate() const;

 public slots:
     void setState(QMediaPlayer::State state);
     void setVolume(int volume);
     void setMuted(bool muted);
     void setPlaybackRate(float rate);

 signals:
     void play();
     void pause();
     void stop();
     void next();
     void previous();
     void changeVolume(int volume);
     void changeMuting(bool muting);
     void changeRate(qreal rate);

 private slots:
     void playClicked();
     void muteClicked();
     void updateRate();

 private:
     QMediaPlayer::State playerState;
     bool playerMuted;
     QAbstractButton *playButton;
     QAbstractButton *stopButton;
     QAbstractButton *nextButton;
     QAbstractButton *previousButton;
     QAbstractButton *muteButton;
     QAbstractSlider *volumeSlider;
     QComboBox *rateBox;
 };

 #endif