Using Flashvars to load external mp3 files

Report · Mar 23, 2011

I am trying to find a very good step by step tutorial on using "Flashvars" to load external mp3 files, I have been searching on google and the many I have found fall short in some way or another. From what I have been able to gather, I have tried using the code in red (commented out), which works, and modify it to use "Flashvars". The code that works, the mp3 file is hard coded, but my goal is to use "Flashvars" which I am attempting to do in the code following the code in red. I am also including the html code. Any help will be greatly appreciated.

Thanks,

David

/*

var soundReq:URLRequest = new URLRequest("mardi_gras2.mp3");
var sound:Sound = new Sound();
sound.load(soundReq);
sound.addEventListener(Event.COMPLETE, onComplete);

function onComplete(event:Event):void
{
sound.play();
}

*/

var soundReq:URLRequest = new URLRequest(root.loaderInfo.parameters.audio);
var sound:Sound = new Sound();
sound.load(soundReq);
sound.addEventListener(Event.COMPLETE, onComplete);

function onComplete(event:Event):void
{
sound.play();
}

HTML CODE

Report · Mar 23, 2011

You don't want to use URL request class.

You can got your Flahvar MP3 address like so:

//retrive your flashvars

var myFlashVars:Object = LoaderInfo(this.loaderInfo).parameters;

var myMP3Adress = myFlashVars.audio;

Report · Mar 23, 2011

Waterlovinguy, below are the changes that I made. I am still not able to get sound...

//retrive your flashvars
var myFlashVars:Object = LoaderInfo(root.loaderInfo).parameters;
var myMP3Adress = myFlashVars.audio;

var sound:Sound = new Sound();
sound.load(myMP3Adress);
sound.addEventListener(Event.COMPLETE, onComplete);

function onComplete(event:Event):void
{
sound.play();
}

HTML CODE

Report · Mar 23, 2011

Here's a flushed out example. Note this is basically based on the live docs example found here:

http://livedocs.adobe.com/flash/9.0/ActionScriptLangRefV3/flash/media/Sound.html

The only difference is getting the file name from a flash var (in bold), otherwise it's verbatim to the doc.

Should help you get going... I'm listening to my test song file now as I type this.

package {
    import flash.display.Sprite;
    import flash.media.Sound;
    import flash.net.URLRequest;
    import flash.media.ID3Info;
    import flash.text.TextField;
    import flash.text.TextFieldAutoSize;
    import flash.events.Event;
    import flash.display.LoaderInfo;

    public class Sound_id3Example extends Sprite {
        private var snd:Sound = new Sound();
        private var myTextField:TextField = new TextField();

        public function Sound_id3Example() {
           var myFlashVars:Object = LoaderInfo(this.loaderInfo).parameters;

            var myMP3Adress = myFlashVars.audio;


            snd.addEventListener(Event.ID3, id3Handler);
            snd.load(new URLRequest(myMP3Adress));
        }

        private function id3Handler(event:Event):void {
            var id3:ID3Info = snd.id3;
            snd.play();
            myTextField.autoSize = TextFieldAutoSize.LEFT;
            myTextField.border = true;

            myTextField.appendText("Received ID3 Info: \n");

            for (var propName:String in id3) {
                myTextField.appendText(propName + " = " + id3[propName] + "\n");
            }

            myTextField.appendText("\n" + "Artist: " + id3.artist + "\n");
            myTextField.appendText("Song name: " + id3.songName + "\n");
            myTextField.appendText("Album: " + id3.album + "\n\n");

            this.addChild(myTextField);
        }
    }
}

Report · Mar 24, 2011

The one other thing I forgot to mention was that in your code you attached your listener after you called the event you wanted to listen to. You can miss your event doing that. It's always a good idea to attach your listeners before you call the event, that way you are listening ahead of time.

So flip those two lines in your code:

sound.load(soundReq);
sound.addEventListener(Event.COMPLETE, onComplete);

becomes

sound.addEventListener(Event.COMPLETE, onComplete);

sound.load(soundReq);

And then I pointed you to the ActionScript Language reference because you were on the right track and all you needed was a good example. The language reference is full of good, proven examples.

Report · Mar 24, 2011

waterlovinguy,

thank you for the update, and the code and reference you posted yesterday. I am still working on that code because I got an error: "1037: Packages cannot be nested." I am currently looking through some reference to figure it out... It seems that code should be in an actionscript (.as) file, am I correct? Or did you put that code into an (.fla) file?

Report · Mar 24, 2011

That example code was contained in a .as file named 'Sound_id3Example.as' and it was set as the Document Class for an empty .fla. There was no ActionScript (or anything else) within the .fla. It was just blank.

If you are having package issues, you might want to peruse this to come up to speed:

http://help.adobe.com/en_US/ActionScript/3.0_ProgrammingAS3/WS5b3ccc516d4fbf351e63e3d118a9b90204-7f9e.html

Report · Mar 25, 2011

Ok waterlovinguy,

I went back to my original code, and I got things to work... I think my whole issue was with the HTML CODE. So I decided to use the "SWFObject generator". I had never used it before, frankly I had never heard of it until I started my searches on "Flashvars".

Thank you very much for all your assistance, PEACE,

David

Final Codes below

var my_var:String = new String();

my_var = root.loaderInfo.parameters.myflashvar;

myText.text = my_var;

var soundReq:URLRequest = new URLRequest(root.loaderInfo.parameters.audio);

var sound:Sound = new Sound();

var soundControl:SoundChannel = new SoundChannel;

sound.load(soundReq);

play_btn.addEventListener(MouseEvent.CLICK, playSound);

stop_btn.addEventListener(MouseEvent.CLICK, stopSound);

function playSound(event:MouseEvent):void

{

SoundMixer.stopAll();

soundControl = sound.play();

}

function stopSound(event:MouseEvent):void

{

soundControl.stop();

}

HTML Code

<!>>

<!~~<![endif]~~>

</a>

<!>>

</object>

<!~~<![endif]~~>

</object

Report · Jul 09, 2011

Sup, I'm learning about this topic and I'm so interested in get more details about what you did here loading external mp3 files with flash vars.

I try the code you post here but is not working is not loading the mp3. Do you have any source code or can you give me more details please?

thanks in advance!

Report · Sep 05, 2012

How did you do this in html?

Tnx