$script = " \
        stop(); \
        nc=new NetConnection(); \
        nc.connect(null); \
        NewStream=new NetStream(nc); \
        video1.attachVideo(NewStream); \
        NewStream.setBufferTime(10); \
        NewStream.play(\"video.flv\"); \
";

$action = new SWFAction($script);
$stream = new SWFVideoStream();
$video_item = $movie->add($stream);
$video_item->setname("video1");
$action_item = $movie->add($action);