mouseDoubleClickEvent not working for QVideoWidget

#include <QApplication>
#include <QMainWindow>
#include <QMouseEvent>
#include <QMediaPlayer>
#include <QVideoWidget>
#include <QDebug>

class myVideoWidget : public QVideoWidget
{
public:
myVideoWidget(){}

void mouseDoubleClickEvent ( QMouseEvent * )

};

int main(int argc, char **argv)
{
QApplication app(argc, argv);

QMediaPlayer *player = new QMediaPlayer;
myVideoWidget *window = new myVideoWidget;

player -> setVideoOutput (window);
player -> setMedia (QUrl::fromLocalFile ("/your/video/path.mp4"));

window -> show();
player -> play ();
return app.exec();
}