For the record and in hopes in may help someone in the future...
I was able to tap into the SoundMixer.computeSpectrum by loaded an mp3 with
only silence. Then and only then was SoundMixer was able to tap into the
sounds of the loaded swfs.
weird
On Thu, Aug 7, 2008 at 3:42 PM, Jason Van Cleave
<[EMAIL PROTECTED]>wrote:
> I am loading in a few swfs, each with video embedded on the timeline.
>
> I am trying to use SoundMixer.computeSpectrum to make a visualization but
> it isn't getting any values. I can control the loaded swfs volume with
> soundTransforms and SoundMixer.areSoundsInaccessible() is reurning false. No
> crossdomain/security issues either.
>
>
> Any ideas? Here is my SoundProcessor class I am working with that has
> worked with loaded mp3s in the past.
>
> package {
> import flash.display.Sprite;
> import flash.media.Sound;
> import flash.media.SoundMixer;
>
> import flash.utils.ByteArray;
> import flash.utils.Timer;
>
> import flash.events.Event;
> import flash.events.TimerEvent;
> public class SoundProcessor extends Sprite {
> // Settings
> private var lineThickness:Number = .5;
> public var lineColor:Number = 0xFFFFFF;
> private var circleSize:Number = 50;
> private var scaleOnBeat:Number = 1.1;
> public var reactToBeat:Number = .1;
> //
> private var music:Sound = new Sound;
> private var soundBytes:ByteArray= new ByteArray();
> public var timer:Timer;
> public var volume:Number;
> public var pX:Number;
> public var pY:Number;
> function SoundProcessor(width:uint=200, height:uint=200) {
> this.width = width;
> this.height = height;
> x = width/2;
> y = height/2;
> this.addEventListener(Event.ENTER_FRAME, processSound);
>
> }
> public function processSound(e:Event):void {
> //trace("processSound");
> SoundMixer.computeSpectrum(soundBytes, true, 0);
> graphics.clear();
> graphics.moveTo(0, -circleSize);
> graphics.lineStyle(lineThickness, lineColor);
> volume = 0;
> for (var i:uint = 0; i < 512; i++) {
> var lev:Number = soundBytes.readFloat();
> if(lev!=0)
> {
> trace(lev);
> }
> volume += lev;
> var a:uint = i;
> if (i < 256)
> {
> a += 256;
> }
> if (i == 256)
> {
> graphics.moveTo(0, -circleSize);
> }
> pX = -Math.sin(i/256*Math.PI)*circleSize*(lev+1);
> pY = Math.cos(a/256*Math.PI)*circleSize*(lev+1);
> graphics.lineTo(pX, pY);
> }
> if (volume > reactToBeat) {
> scaleX = scaleY = scaleOnBeat;
> } else {
> scaleX = scaleY = 1;
> }
> dispatchEvent(new Event("onProcessSound"));
> }
> }
> }
>
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