I can't get the .m3u8 (HLS) to play

package  {
    
    import flash.display.StageAlign;
    import flash.display.StageScaleMode;
    import flash.events.Event;
    import flash.events.NetStatusEvent;
    import flash.events.StageVideoAvailabilityEvent;
    import flash.geom.Rectangle;
    import flash.media.StageVideo;
    import flash.media.StageVideoAvailability;
    import flash.net.NetConnection;
    import flash.net.NetStream;
    import flash.display.MovieClip;
    
    
    public class Main extends MovieClip {
        
        private const STREAM_URL:String = "https://bitdash-a.akamaihd.net/content/sintel/hls/playlist.m3u8";
        private var netConnection:NetConnection;
        private var netStream:NetStream;
        private var video:StageVideo;
        private var addedToStage:Boolean;
        private var svEnabled:Boolean;
        
        public function Main() {
            super();
            addEventListener(Event.ADDED_TO_STAGE,onAddedToStage);
            }
            
 private function onAddedToStage(e:Event) :void{
            stage.addEventListener(StageVideoAvailabilityEvent.STAGE_VIDEO_AVAILABILITY, onAvail);
            removeEventListener(Event.ADDED_TO_STAGE, onAddedToStage);
        }
        protected function onAvail(event:StageVideoAvailabilityEvent):void{
            if(event.availability == StageVideoAvailability.AVAILABLE){
                svEnabled = true;
            }
            connectStream();
        }
    
        
         private function connectStream():void {
            if (!svEnabled)
                return;
            netConnection = new NetConnection();
            netConnection.addEventListener(NetStatusEvent.NET_STATUS, onConnectionNetStatus);
            netConnection.connect(null);
        }
        private function onConnectionNetStatus(event:NetStatusEvent):void {
            if (event.info.code == "NetConnection.Connect.Success")
                startStream();
        }
        private function startStream():void {
            netStream = new NetStream(netConnection);
            netStream.client = this;
            video = stage.stageVideos[0];
            video.viewPort = new Rectangle(0, 0, stage.stageWidth, stage.stageHeight);
            video.attachNetStream(netStream);
            netStream.play(STREAM_URL);
        }
        private function onMetaData():void {}
    }
        
}