Forked from:: mtok's sound visualize Test001

sound visualize Test002

///////////
注意
Flash Player 10.0 r22以降じゃないと
なぜかプレーヤが落ちる
////////////

forked:2
favorite:1
lines:215
license : All rights reserved
modified : 2009-04-15 16:08:12

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// forked from mtok's flash on 2009-4-14
/////////////
//注意
//Flash Player 10.0 r22以降じゃないと
//なぜかプレーヤが落ちる
//////////////
package  
{
	[SWF(width="465", height="465", backgroundColor="#000000", frameRate=60)]
	import flash.display.Sprite;
	import flash.events.Event;
	import flash.media.SoundLoaderContext;
	import flash.net.URLRequest;
	import org.libspark.thread.EnterFrameThreadExecutor;
	import org.libspark.thread.Thread;
	import org.libspark.thread.threads.media.SoundLoaderThread;
	import org.libspark.thread.utils.Progress;
	/**
	 * ...
	 * @author Motoki Matsumoto
	 */
	public class SouncPosition extends Sprite
	{
		public function SouncPosition() 
		{
			Thread.initialize(new EnterFrameThreadExecutor());
			
			addEventListener(Event.ADDED_TO_STAGE, addedToStageHandler);
		}
		
		private function addedToStageHandler(e:Event):void 
		{
			var mainThread:MainThread = new MainThread(this);
			mainThread.start();
		}
	}	
}

import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.Graphics;
import flash.display.Shape;
import flash.display.Sprite;
import flash.display.DisplayObjectContainer;
import flash.events.Event;
import flash.events.EventDispatcher;
import flash.events.MouseEvent;
import flash.filters.BlurFilter;
import flash.geom.ColorTransform;
import flash.geom.Matrix;
import flash.utils.ByteArray;
import flash.utils.Timer;
import flash.errors.IOError;
import flash.media.Sound;
import flash.media.SoundChannel;
import flash.media.SoundMixer;
import flash.geom.Point;
import flash.display.BlendMode;
import org.libspark.thread.utils.Progress;
import org.libspark.thread.utils.events.ProgressEvent;
import org.libspark.thread.Thread;
import org.libspark.thread.threads.media.SoundLoaderThread;

internal class MainThread extends Thread {
	private var container:DisplayObjectContainer;
	private var soundLoaderThread:SoundLoaderThread;
	private var sound:Sound;
	private var channel:SoundChannel;
	private var position:Number;
	private var visualizer:SoundVisualizer;
	public function MainThread(container:DisplayObjectContainer) {
		super();
		this.container = container;
	}
	override protected function run():void 
	{
		super.run();
		var context:flash.media.SoundLoaderContext = new flash.media.SoundLoaderContext(1000, true);
		var req:flash.net.URLRequest = new flash.net.URLRequest("http://www.matzmtok.com/wonderfl/sound/spoon_revenge.mp3");
		soundLoaderThread = new SoundLoaderThread(req, context);
		
		var bar:ProgressBar;
		
		try {
			soundLoaderThread.start();
			soundLoaderThread.join();

bar = new ProgressBar();
			container.addChild(bar);
			soundLoaderThread.progress..addEventListener(ProgressEvent.UPDATE, function():void {
				bar.percent = soundLoaderThread.progress.percent;
			});
			soundLoaderThread.progress..addEventListener(ProgressEvent.COMPLETED, function():void {
				container.removeChild(bar);
			});
			
			visualizer = new SoundVisualizer();
			container.addChild(visualizer);
			
			next(initSound);
		}catch (e:IOError) {
			
		}
	}
	
	private function initSound():void {
		var sf:SoundVisualizer;
		if ( soundLoaderThread.progress.isCompleted) {
			sound = soundLoaderThread.sound;
			//trace(sound.id3.songName, sound.id3.artist,  sound.length);
			
			channel = sound.play();
			channel.addEventListener(Event.SOUND_COMPLETE, soundCompleteHandler);
			container.stage.addEventListener(MouseEvent.MOUSE_DOWN, stopSound);	
			//next(loop);
		}
	}
	
	private function stopSound(e:MouseEvent = null):void 
	{
		container.stage.removeEventListener(e.type, arguments.callee);
		//trace(channel.position);
		position = channel.position;
		channel.stop();
		channel = null;
		container.stage.addEventListener(MouseEvent.MOUSE_DOWN, startSound);
	}
	
	private function startSound(e:MouseEvent = null):void 
	{
		container.stage.removeEventListener(e.type, arguments.callee);
		container.stage.addEventListener(MouseEvent.MOUSE_DOWN, stopSound);

channel = sound.play(position);
		channel.addEventListener(Event.SOUND_COMPLETE, soundCompleteHandler);
	}
	
	private function soundCompleteHandler(e:Event):void 
	{
		channel = null;
		container.stage.removeEventListener(MouseEvent.MOUSE_DOWN, stopSound);
		
	}
	private function loop():void {
		//trace(channel.position);
		
		next(loop);
	}
}

internal class SoundVisualizer extends Sprite {
	private var bitmap:Bitmap;
	private var data:ByteArray;
	private var center:Point;
	
	private var vR:Number;	//virtical radius
	private var hR:Number;	//horizontal radius
	private var h:Number = 0;
	private var s:Number = 1;
	private var v:Number = 1;
	private var canvas:Shape;
	
	public function SoundVisualizer() {
		super();
		
		canvas = new Shape();
		addChild(canvas);
		
		addEventListener(Event.ADDED_TO_STAGE, addedToStage);
		data= new ByteArray();
		center = new Point(0, 0);
	}
	
	private function addedToStage(e:Event):void 
	{
		if (bitmap != null) {
			bitmap.bitmapData.dispose();//必要、不要？
		}
		bitmap = new Bitmap(new BitmapData(stage.stageWidth, stage.stageHeight, true, 0x000000));
		addChild(bitmap);
		
		addEventListener(Event.ENTER_FRAME, enterframeHandler)
		
		center.x = stage.stageWidth * 0.5;
		center.y = stage.stageHeight * 0.5;
		//removeEventListener(e.type,  arguments.callee);
	}
	
	private function enterframeHandler(e:Event):void 
	{
		SoundMixer.computeSpectrum(data, true, 1);
		
		var c:uint = HSVtoRGB(h, s, v);
		h += 1;
		
		
		var g:Graphics = canvas.graphics;
		g.clear();
		g.lineStyle(1, c);
		g.moveTo( -128 + center.x, center.y);
		var amp:Number;
		var i:int;
		for (i = 0; i < 256; i++) {
			amp = data.readFloat();
			g.lineTo( -128 + center.x + i, center.y + amp * 200);
		}
		
		g.moveTo( -128 + center.x, center.y);
		for (i = 0; i < 256; i++) {
			amp = data.readFloat();
			g.lineTo( -128 + center.x + i, center.y - amp * 200);
		}
		
		var bd:BitmapData = bitmap.bitmapData;
		var mat:Matrix = new Matrix();
		mat.translate( -center.x, -center.y);
		mat.scale(1.1, 1.1);
		mat.translate(center.x, center.y);
	
		bd.draw(bd, mat, new ColorTransform(0.98,0.98,0.98),  BlendMode.NORMAL);
		bitmap.bitmapData.applyFilter(bitmap.bitmapData, bitmap.bitmapData.rect, new Point(0, 0), new BlurFilter(4, 4, 1));
		bitmap.bitmapData.draw(canvas, new Matrix(), null, BlendMode.NORMAL);
	}
	private function HSVtoRGB(h:Number, s:Number, v:Number):uint {
			var r:Number=0, g:Number=0, b:Number=0;
			var i:Number, x:Number, y:Number, z:Number;

if (s < 0) s = 0; if (s > 1) {
				s=1;
			}
			if (v < 0) v = 0; if (v > 1) {
				v=1;
			}
			h = h % 360; if (h < 0) h += 360; h /= 60;
			i = h >> 0;
			x = v * (1 - s); y = v * (1 - s * (h - i)); z = v * (1 - s * (1 - h + i));
			switch(i){
				case 0 : r=v; g=z; b=x; break;
				case 1 : r=y; g=v; b=x; break;
				case 2 : r=x; g=v; b=z; break;
				case 3 : r=x; g=y; b=v; break;
				case 4 : r=z; g=x; b=v; break;
				case 5 : r=v; g=x; b=y; break;
			}
			var c:uint;
			c = (r * 255 >> 0) << 16 | (g * 255 >> 0) << 8 | (b * 255 >> 0); 
			return c;
	}
}

internal class ProgressBar extends Sprite {
	private var _percent:Number
	public function ProgressBar() {
		graphics.lineStyle(1, 0x4f4f4f);
		graphics.drawRect(0, 0, 100, 10);
	}
	
	public function get percent():Number { return _percent; }
	
	public function set percent(value:Number):void 
	{
		_percent = value;
		
		graphics.beginFill(0xff0000);
		graphics.drawRect(1, 1, _percent * 100, 9);
		graphics.endFill();
	}
}

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