WebCamRecorder.mxml

<?xml version="1.0" encoding="utf-8"?>
<s:WindowedApplication xmlns:fx="http://ns.adobe.com/mxml/2009" 
					   xmlns:s="library://ns.adobe.com/flex/spark" 
					   xmlns:mx="library://ns.adobe.com/flex/mx"
					   showStatusBar="false" skinClass="assets.DTApplicationSkin" alwaysInFront="true"
					   creationComplete="webCam_pnl.attachCamera(Camera.getCamera()),startJava()"
					   maxWidth="256" maxHeight="180" >
	<fx:Script>
		<![CDATA[
			import flash.filesystem.File;
			import flash.utils.clearInterval;
			import flash.utils.setInterval;
			
			import mx.controls.Image;
			[Bindable]
			private var frameWidth:int = 576;
			
			[Bindable]
			private var frameHeight:int = 360;
			
			private var myWriter:SimpleFlvWriter = SimpleFlvWriter.getInstance();
			private var recordInterval:uint;
			private var curVidFile:File;
			private var interval:int = 400;
			private var milliSec:int = 1000;
			private const JREPath:String = "C:\\Program Files\\Java\\jre6\\bin"
			private function recordHit():void{
				
				if(record_btn.label == "Record"){
					curVidFile = File.createTempFile();
					myWriter.createFile(curVidFile, frameWidth,frameHeight, milliSec/interval);
					recordInterval = setInterval(recordVid, interval);
					record_btn.label = "Stop";
				}else{
					nativeProcess.removeEventListener(ProgressEvent.STANDARD_OUTPUT_DATA, onStandardOutputData);
					clearInterval(recordInterval);
					myWriter.closeFile();
					var newFileNameStr:String = curVidFile.name.split(".tmp").join(".flv");
					trace("newFileName: " + newFileNameStr);
					var desFile:File = new File(File.desktopDirectory.nativePath +"\\" + newFileNameStr);
					curVidFile.copyTo(desFile);
					record_btn.label = "Record";
				}				
			}
			private function recordVid():void{
				nativeProcess.standardInput.writeMultiByte("Print Screen\n", "utf-8"); 
			}
			private var nativeProcess:NativeProcess;
			private function startJava():void
			{
				var arg:Vector.<String> = new Vector.<String>;
				arg.push("-jar");
				arg.push(File.applicationDirectory.resolvePath("print.jar").nativePath);
				
				var file:File = new File(JREPath);
				file = file.resolvePath("javaw.exe");
				
				var npInfo:NativeProcessStartupInfo = new NativeProcessStartupInfo();
				npInfo.executable = file;
				npInfo.arguments = arg;
				
				nativeProcess = new NativeProcess();
				nativeProcess.addEventListener(ProgressEvent.STANDARD_OUTPUT_DATA, onStandardOutputData);
				nativeProcess.start(npInfo);
			}
			private var data : BitmapData 
			private function onStandardOutputData(e:ProgressEvent):void
			{
					image.source = new Bitmap(Clipboard.generalClipboard.getData(ClipboardFormats.BITMAP_FORMAT) as BitmapData,"auto",true); 
					data= new BitmapData (frameWidth, frameHeight);
					data.draw (image);
					myWriter.saveFrameByte(data);
			}
		]]>
	</fx:Script>
		<mx:VideoDisplay id="webCam_pnl" width="256" height="160"/>
		<mx:Button id="record_btn" label="Record" click="recordHit()"	 />
		<mx:Image id="image" width="{frameWidth}" height="{frameHeight}"  includeInLayout="false" visible="false"/>
</s:WindowedApplication>