videoplayer.h Example File

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  #ifndef VIDEOPLAYER_H
  #define VIDEOPLAYER_H

  #include <qmediaplayer.h>

  #include <QtGui/QMovie>
  #include <QtWidgets/QWidget>

  class QAbstractButton;
  class QSlider;
  class QLabel;
  class QUrl;

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

      void setUrl(const QUrl &url);

  public slots:
      void openFile();
      void play();

  private slots:
      void mediaStateChanged(QMediaPlayer::State state);
      void positionChanged(qint64 position);
      void durationChanged(qint64 duration);
      void setPosition(int position);
      void handleError();

  private:
      QMediaPlayer mediaPlayer;
      QAbstractButton *playButton;
      QSlider *positionSlider;
      QLabel *errorLabel;
  };

  #endif