Netstream onStatus and onMetadata problem

[eliana]

Hi
i'm writing a simple player to stream a flv file; video streams fine but the netstream onstatus and the nestream onmetadata are not invoked. Any help?
Here is my code:

var nc:NetConnection = new NetConnection;
var ns:NetStream;
var bufferLength:Number = 3;
var fileToPlay:String;

initCon();

function initCon(){
nc.connect("....server url...");
fileToPlay = "...filename...";
}

function initStream(){
ns = new NetStream(nc);
ns.setBufferTime(bufferLength);
objPlayer.attachVideo(ns);
playFile();
}

function playFile(){
ns.play(fileToPlay);
}

nc.onStatus = function(info:Object){
trace("LEVEL: " + info.level + " CODE: " + info.code);

if (info.code == "NetConnection.Connect.Success"){
initStream();
}
}

ns.onStatus = function(infoObject:Object) {
trace("ns.onStatus called: ("+getTimer()+" ms)");
}

ns.onMetaData = function(info:Object) {
trace("ON METADATA")
}

thanks