/*
 * --------------------------------------
 * sazameki -- audio manipulating library
 * http://sazameki.org/
 * --------------------------------------
 * 
 * - developed by     Takaaki Yamazaki
 *                    http://www.zkdesign.jp/
 * - supported by     Spark project
 *                    http://www.libspark.org/
 */

/*
 * Licensed under the MIT License
 * 
 * Copyright (c) 2008 Takaaki Yamazaki
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package  {
	import flash.display.Sprite;
	import flash.media.Sound;
	import flash.utils.ByteArray;
	import org.sazameki.audio.core.AudioSetting;
	import org.sazameki.audio.core.Sample;
	import org.sazameki.audio.core.SoundFactory;
	import org.sazameki.audio.engine.ssGenerator.engine.EngineMax;
	import org.sazameki.audio.engine.ssGenerator.engine.ISsEngine;
	import org.sazameki.audio.engine.ssGenerator.SsGenerator;
	import org.sazameki.audio.events.AudioEvent;
	import org.sazameki.audio.events.AudioProgressEvent;
	import org.sazameki.audio.format.Wav;
	
	/**
	* sazameki examples
	* @author Takaaki Yamazaki
	*/
	public class Example extends Sprite{
		
		public function Example() 
		{
			sazamekiCoreSample();
			//ssGeneratorSample();
			
		}
		
		private function sazamekiCoreSample():void
		{
			//----------------------------------------------------
			// sazameki core(org.sazameki.audio.core)
			// 音の変換などの基本的な機能を提供するクラス。
			
			//convert signals(array of org.sazameki.core.Sample) to flash.media.Sound object
			var samples:Array=makeNoiseSamples();
			var audioSetting:AudioSetting=new AudioSetting(2,44100,16);
			var factory:SoundFactory=new SoundFactory();
			factory.addEventListener(AudioEvent.COMPLETE,onCoreSoundCreated);
			factory.generateSound(samples,audioSetting);
		}
		
		private function makeNoiseSamples():Array{
			//simply generate 1sec(44100samples) noise
			var arr:Array=new Array();
			
			for(var i:int=0;i<44100;i++){
				arr.push(new Sample(Math.random()*0.5,Math.random()*0.5));
			}
			
			return arr;
		}
		private function onCoreSoundCreated(e:AudioEvent):void 
		{
			e.sound.play();
		}
		
		
		private function ssGeneratorSample():void
		{
			//----------------------------------------------------
			// SsGenerator(org.sazameki.audio.engine.ssGenerator) : short sound generator
			// 音を定義した文字列に基づいて、flash.media.Soundオブジェクトを生成して返す。
			
			//prepare SsEngine(always required!)
			var engine:ISsEngine=new EngineMax();
			//create ssGenerator instance
			var ssGen:SsGenerator=new SsGenerator(engine);
			//add listener
			ssGen.addEventListener(AudioEvent.COMPLETE,onSound);
			
			//generate sound
			
			/* simply generate 1sec sine wave
			ssGen.generateByString('l:1000,g_sine:440');
			//*/
			
			//* a little complex sound
			ssGen.generateByString('l:250,g_sine:28,g_square:1-1200-55+penv-free-1-250-0,l:1500,e_delay:250-0.3-0.3');
			//*/
			
			/* if you want to create .wav file...
			ssGen.addEventListener(AudioProgressEvent.ON_DATA,onSoundDataCreated);
			ssGen.generateByString('l:1000,g_sine:440',false);
			//*/
		}
		private function onSound(e:AudioEvent):void 
		{
			e.sound.play();
		}

		private function onSoundDataCreated(e:AudioProgressEvent):void 
		{
			//convert samples(array of Sample) to .wav format
			var converter:Wav=new Wav();
			var wavData:ByteArray=converter.encode(e.data,e.setting);
			
			//and you can save .wav file to server or local...etc.
		}

	}
	
}