问iOS上的NetStream无法播放视频

EN

private var netConnection:NetConnection

        private var netStream:NetStream;

        private var video:Video;

        protected function onInit():void{
            netConnection = new NetConnection();
            netConnection.addEventListener(NetStatusEvent.NET_STATUS,netConnectStatus);

            netConnection.connect(null);

            netStream = new NetStream(netConnection);
            netStream.client = new Object();
            netStream.client.onMetaData = function (info:Object):void{
                for(var str:String in info){
                    trace(str + " "+info[str]);
                }
            }
            netStream.bufferTime = 4;
            netStream.addEventListener(NetStatusEvent.NET_STATUS, netStreamStatus);
            netStream.play("http://192.168.0.101/video/video.mp4");

            video = new Video();
            video.attachNetStream(netStream);
            video.width = stage.stageWidth;
            video.height = stage.stageHeight;
            stage.addChild(video);

        }

        public function netConnectStatus(e:NetStatusEvent):void{

        }

        private function netStreamStatus(e:NetStatusEvent):void {
            switch(e.info.code)
            {
                case "NetStream.Buffer.Empty":
                    break;

                case "NetStream.Buffer.Full":
                    break;
            }
        }