Qt+Phonon sample(movie player)

#include <QtGui/QApplication>
#include <Phonon/Phonon>
#include "mainwindow.h"

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

    Phonon::VideoPlayer player(Phonon::VideoCategory);
//    player.play(QString("./smile.flv"));
    player.play(QString(argv[1]));
    player.show();

    return app.exec();
}