DirectShowPlayerService::doSetUrlSource: Unresolved error code 800c0004

[foxgod]

void MainWindow::init()
{
RadioURL = "http://79.114.116.139:8080";
}

void MainWindow::playRadioStation(QUrl URL){
QMediaPlayer* player = new QMediaPlayer(this);
player->setMedia(URL);

player->play();

}

DirectShowPlayerService::doSetUrlSource: Unresolved error code 800c0004 why? QMediaPlayer can not play a web video??