package {
	
	import flash.display.MovieClip;
	import flash.net.NetStream;
	
	public class VideoAdapter extends MovieClip {
		
		private var _currentFrame : int = 1;
		private var _totalFrames : Number;
		private var videoStream : NetStream;
		private var framerate : int;
		private var duration : Number;
		
		public function VideoAdapter( videoStream : NetStream, metaData : Object ) {
			this.videoStream = videoStream;
			
			framerate = metaData.framerate;
			duration = metaData.duration;
			_totalFrames = framerate * duration;
		}
		
		override public function stop() : void {
			videoStream.pause();	
		}
		
		override public function gotoAndStop( frame : Object, scene : String = null ) : void {
			var targetFrame : int = int( frame );
			var zeroBasedFrame : int = targetFrame - 1;
			
			videoStream.seek( Math.floor( zeroBasedFrame / framerate ) +  ( zeroBasedFrame % framerate ) / framerate );
			_currentFrame = targetFrame;
		}
		
		override public function get currentFrame():int {
			return _currentFrame;
		}
		
		override public function get totalFrames() : int {
			return _totalFrames;
		}
	}
}