Forked from:: alpicola's Glitch!!

forked from: Glitch!!

forked:0
favorite:2
lines:56
license : MIT License
modified : 2009-04-06 15:06:30

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package {
	import flash.display.BitmapData;
	import flash.display.Loader;
	import flash.display.Sprite;
	import flash.events.Event;
	import flash.events.TimerEvent;
	import flash.media.Camera;
	import flash.media.Video;
	import flash.utils.ByteArray;
	import flash.utils.Timer;
	import com.adobe.images.JPGEncoder;

[SWF(backgroundColor="#000", frameRate="10")] 
	
	public class Glitch extends Sprite {
		
		private var camera:Camera;
		private var video:Video;
		private var bitmap:BitmapData;
		private var bytes:ByteArray;
		private var display:Loader;
		private var encoder:JPGEncoder;
		private var header:int;
		
		public function Glitch() {
			stage.align = "TL";
			stage.scaleMode = "noScale";

camera = Camera.getCamera();
			if (camera == null) return;
			camera.setMode(stage.stageWidth, stage.stageHeight, 1);
			video = new Video(camera.width, camera.height);
			video.attachCamera(camera);
			bitmap = new BitmapData(camera.width, camera.height, false);
			encoder = new JPGEncoder();
			display = new Loader();
			addChild(display);

capture(null);
			
			var timer:Timer = new Timer(1000);
			timer.addEventListener(TimerEvent.TIMER, capture);
			timer.start();
			addEventListener(Event.ENTER_FRAME, update);
		}

private function capture(e:TimerEvent):void {
			bitmap.draw(video);
			bytes = encoder.encode(bitmap);
			header = 0;
			for (var length:int = bytes.length; header < length; header++) {
				if (bytes[header] == 0xff && bytes[header+1] == 0xda) {
				   header += 6;
				   break;
			   }
			}
		}

private function update(e:Event):void {
			bytes.position = Math.floor((bytes.length - header) * Math.random()) + header;
			bytes.writeByte(0);
			display.loadBytes(bytes);
		}

}
}

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