QFile fille ("C:\\3334.avi");
    fille.open(QIODevice::ReadOnly);
    QBuffer tr (player);
    QByteArray qw = fille.readAll();
    qDebug () << fille.size() << "   "  << qw.size();
    tr.setData(qw);
    tr.close();
    Phonon::MediaObject* player = Phonon::createPlayer( Phonon::VideoCategory );
                QBuffer buff (player);
                buff.setData(qw,qw.size());
                qDebug ()<< buff.size();
                qDebug()<< qw.size();
                player->setCurrentSource(Phonon::MediaSource(&tr));
                //player->setParent( this );
                //connect( player, SIGNAL( finished() ), player, SLOT( deleteLater() ) );
                player->play();