flash on 2011-6-11

/**
 * Copyright andrew.olton ( http://wonderfl.net/user/andrew.olton )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/mCbA
 */

package {
    import flash.display.Sprite;
    import flash.events.*;
    import flash.media.*;
    import flash.net.*;
    
    public class FlashTest extends Sprite {
        public function FlashTest() {
        // write as3 code here..

        var sourceSnd:Sound = new Sound();
        var outputSnd:Sound = new Sound();
        var urlReq:URLRequest = new URLRequest("test.mp3");
    
        sourceSnd.load(urlReq);
        sourceSnd.addEventListener(Event.COMPLETE, loaded);

    function loaded(event:Event):void
    {
        outputSnd.addEventListener(SampleDataEvent.SAMPLE_DATA, processSound);
        outputSnd.play();
    }//End of loaded

    function processSound(event:SampleDataEvent):void
    {
        var bytes:ByteArray = new ByteArray();
        sourceSnd.extract(bytes, 4096);
        event.data.writeBytes(upOctave(bytes));
    }//End processSound function

    function upOctave(bytes:ByteArray):ByteArray
    {
        var returnBytes:ByteArray = new ByteArray();
        bytes.position = 0;
        while(bytes.bytesAvailable > 0)
        {
            returnBytes.writeFloat(bytes.readFloat());
            returnBytes.writeFloat(bytes.readFloat());
            if (bytes.bytesAvailable > 0)
            {
                bytes.position += 8;
            }//End if
        }//End while
        return returnBytes;
    }//End upOctave function
                
            }
     }/End of class
}//End of package