main.cpp Example File
multimediawidgets/videographicsitem/main.cpp 
          
            
            
#include "videoplayer.h"
#include <QApplication>
#include <QCommandLineParser>
#include <QCommandLineOption>
#include <QDir>
int main(int argc, char **argv)
{
    QApplication app(argc, argv);
    QCoreApplication::setApplicationName("Player Example");
    QCoreApplication::setOrganizationName("QtProject");
    QCoreApplication::setApplicationVersion(QT_VERSION_STR);
    QCommandLineParser parser;
    parser.setApplicationDescription("Qt MultiMedia Player QGraphicsView Example");
    parser.addHelpOption();
    parser.addVersionOption();
    parser.addPositionalArgument("url", "The URL to open.");
    parser.process(app);
    VideoPlayer player;
    if (!parser.positionalArguments().isEmpty() && player.isPlayerAvailable()) {
        const QUrl url =
            QUrl::fromUserInput(parser.positionalArguments().constFirst(),
                                QDir::currentPath(), QUrl::AssumeLocalFile);
        player.load(url);
    }
    player.show();
    return app.exec();
}