Alinhamento de video Youtube embutido

Fala pessoal. beleza?

Depois de mta dificuldade eu consegui inserir um video do youtube utilizando apenas AS3. Encontrei mtos obstáculos nas opções de importar video etc, entao utilizei apenas action script. Na verdade pesquisei bastante e cheguei à linha de código que segue abaixo. funcionando legal.

O único problema é que o video nao fica centralizado de jeito nenhum. Se vcs repararem eu utilizei um comando pra centralizar:

loader.x=(stage.stageWidth-loader.width)/2;

loader.y=(stage.stageHeight-loader.width)/2;

Mas nao ta rolando. Obs.: estou utilizando um movie clip.

Aguardo conselhos.

Abraços!

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Security.allowDomain("www.youtube.com");

Security.allowDomain("youtube.com");

Security.allowDomain("s.ytimg.com");

Security.allowDomain("i.ytimg.com");

Security.loadPolicyFile("[http://i.ytimg.com/crossdomain.xml"](http://i.ytimg.com/crossdomain.xml));

Security.loadPolicyFile("[http://www.youtube.com/crossdomain.xml"](http://www.youtube.com/crossdomain.xml));

Security.loadPolicyFile("http://s.ytimg.com/crossdomain.xml")

// This will hold the API player instance once it is initialized.

var player:Object;

 

var loader:Loader = new Loader();

loader.contentLoaderInfo.addEventListener(Event.INIT, onLoaderInit);

// loader.load(new URLRequest("[http://www.youtube.com/apiplayer?version=3"](http://www.youtube.com/apiplayer?version=3)));

// YOUTUBE CODE VALUE

loader.load(new URLRequest("[http://www.youtube.com/watch?v=YOUTUBE](http://www.youtube.com/watch?v=YOUTUBE) CODE VALUE?version=3"));

 

function onLoaderInit(event:Event):void {

 addChild(loader);

 loader.content.addEventListener("onReady", onPlayerReady);

 loader.content.addEventListener("onError", onPlayerError);

 loader.content.addEventListener("onStateChange", onPlayerStateChange);

 loader.content.addEventListener("onPlaybackQualityChange",

 onVideoPlaybackQualityChange);

}

 

function onPlayerReady(event:Event):void {

 // Event.data contains the event parameter, which is the Player API ID

 trace("player ready:", Object(event).data);

 

 // Once this event has been dispatched by the player, we can use

 // cueVideoById, loadVideoById, cueVideoByUrl and loadVideoByUrl

 // to load a particular YouTube video.

 player = loader.content;

	// Set appropriate player dimensions for your application

 player.setSize(365, 265);

	**loader.x=(stage.stageWidth-loader.width)/2;**

loader.y=(stage.stageHeight-loader.width)/2;

}

function onPlayerError(event:Event):void {

 // Event.data contains the event parameter, which is the error code

 trace("player error:", Object(event).data);

}

 

function onPlayerStateChange(event:Event):void {

 // Event.data contains the event parameter, which is the new player state

 trace("player state:", Object(event).data);

}

 

function onVideoPlaybackQualityChange(event:Event):void {

 // Event.data contains the event parameter, which is the new video quality

 trace("video quality:", Object(event).data);

}

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