as3 에서 m4a 파일을 로드하는 예제

m4aPlayer.as

package  {

import flash.display.MovieClip;
import flash.net.NetStream;
import flash.net.NetConnection;
import flash.events.NetStatusEvent;
import flash.events.AsyncErrorEvent;
import flash.events.Event;
import flash.events.MouseEvent;

public class Main extends MovieClip {

  private var _connection:NetConnection=new NetConnection();
  private var _netStream:NetStream=null;

  public function Main() {
    // constructor code
    addEventListener(Event.ADDED_TO_STAGE, onAddedToStage);
    pushButton.addEventListener(MouseEvent.CLICK, onClickPushButton);
  }
  private function onClickPushButton(e:Event) {
    this._netStream.play("./m4a/01_001.m4a");
  }

  private function onAddedToStage(e:Event) {
    trace("on added");
    this._connection.close();
    this._connection=new NetConnection();
    this._connection.addEventListener(NetStatusEvent.NET_STATUS, this.netStatusHandler);
    this._connection.addEventListener(AsyncErrorEvent.ASYNC_ERROR, this.asyncErrorHandler);

    this._connection.connect(null);
    //stream_ns.play("01_001.m4a");
  }

  private function netStatusHandler(event:NetStatusEvent) {
    trace(event.info.code);
    switch (event.info.code) {
        case "NetConnection.Connect.Success":
            this.requestAudio();
            break;
    }
  }
  private function requestAudio():void {
    if(this._netStream!==null)
      this._netStream.close();

    this._netStream=new NetStream(this._connection);

    this._netStream.addEventListener(NetStatusEvent.NET_STATUS, this.netStatusHandler);
    this._netStream.addEventListener(AsyncErrorEvent.ASYNC_ERROR, this.asyncErrorHandler);

    this._netStream.checkPolicyFile=false;
  }
  private function asyncErrorHandler(event:AsyncErrorEvent) {
    trace(event);
  }
}

}