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PODetect via ExternalInterface when swf player ready to play
 

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  1. PODetect via ExternalInterface when swf player ready to play
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    <p>In my .fla file I include external actionscript file as indicated in the instruction file</p> <pre><code>import xxx.xxx.xxx.sound.MP3Player; var mp3Player:MP3Player = new MP3Player(); addChild(mp3Player); </code></pre> <p>Now I'd like to use his loadMp3 function </p> <pre><code>/** * Start loading the mp3 file. */ private function loadMP3():void { mp3.load(new URLRequest(MP3_URL)); mp3.addEventListener(IOErrorEvent.IO_ERROR, onIOError, false, 0, true); channel = mp3.play(); channel.addEventListener(Event.SOUND_COMPLETE, onSoundComplete, false, 0, true); _isPlaying = true; } </code></pre> <p>to discover when the mp3 fully loaded and ready to play sound via ExternalInterface function.</p> <p>how could I do? thanks</p> <p>FULL CLASS</p> <pre><code>package xxx.xxx.xxx.sound { import flash.display.MovieClip; import flash.events.Event; import flash.events.IOErrorEvent; import flash.events.MouseEvent; import flash.geom.ColorTransform; import flash.media.Sound; import flash.media.SoundChannel; import flash.media.SoundMixer; import flash.net.URLRequest; import flash.utils.ByteArray; import flash.text.TextField; public class MP3Player extends MovieClip { // Location of the config xml file public static const CONFIG_XML_URL:String = "xml/config.xml"; // URL of the mp3 file public static var MP3_URL:String = "mp3/track.mp3"; // Main color for the mp3 player public static var MAIN_COLOR:uint = 0xFF0000; // An XMLLoader to load the configuration file private var xmlLoader:XMLLoader; // Sound object to be played private var mp3:Sound = new Sound(); // A sound channel to play the sound object private var channel:SoundChannel; // Holds the pause position private var pausePos:Number; // A byte array to read spectrum private var bytes:ByteArray = new ByteArray(); // Indicates whether the mp3 player is playing or not. private var _isPlaying:Boolean = false; // Holds the previous label color private var _prevColor:uint; public function MP3Player() { // Initialize the player init(); } /** * Initializes the player. */ private function init():void { // Use as a button useHandCursor = true; buttonMode = true; mouseChildren = false; equalizer.alpha = 0; // Add necessary event listeners addEventListener(Event.ENTER_FRAME, onEnterFrame, false, 0, true); addEventListener(MouseEvent.MOUSE_DOWN, onMouseDown, false, 0, true); addEventListener(MouseEvent.MOUSE_OVER, onMouseOver, false, 0, true); addEventListener(MouseEvent.MOUSE_OUT, onMouseOut, false, 0, true); loadConfig(); } /** * Sets the color of the player to the given parameter. */ public function setColor(color:uint):void { MAIN_COLOR = color; // Change the color of the equalizer var colorTransform:ColorTransform = equalizer.transform.colorTransform; colorTransform.color = MAIN_COLOR; equalizer.transform.colorTransform = colorTransform; } /** * Loads the configuration file to the memory. */ private function loadConfig() { // Start loading the config.xml file xmlLoader = new XMLLoader(CONFIG_XML_URL); xmlLoader.addEventListener(XMLLoader.XML_LOADED, onXMLLoaded); xmlLoader.load(); } /** * This method is called when the xml file is loaded to the memory. */ private function onXMLLoaded(evt:Event):void { // Get configuration parameters var xml:XML = xmlLoader.getXML(); MP3_URL = xml.@mp3URL; MAIN_COLOR = xml.@color; // Change the color of the equalizer equalizer.alpha = 1; setColor(MAIN_COLOR); // Start loading the mp3 loadMP3(); } /** * Start loading the mp3 file. */ private function loadMP3():void { mp3.load(new URLRequest(MP3_URL)); mp3.addEventListener(IOErrorEvent.IO_ERROR, onIOError, false, 0, true); channel = mp3.play(); channel.addEventListener(Event.SOUND_COMPLETE, onSoundComplete, false, 0, true); _isPlaying = true; } /** * This method is called whenever a new enter frame event occurs. */ private function onEnterFrame(evt:Event):void { try { SoundMixer.computeSpectrum(bytes, true, 0); } catch (e:Error) { } equalizer.update(bytes); } /** * This method is called when playing the sound is finished. */ private function onSoundComplete(evt:Event):void { // Loop channel = mp3.play(); channel.addEventListener(Event.SOUND_COMPLETE, onSoundComplete, false, 0, true); _isPlaying = true; } /** * This method is called when the mouse is over the mp3 player. */ private function onMouseOver(evt:MouseEvent):void { // Change the color of the equalizer _prevColor = label.textColor; label.textColor = MAIN_COLOR; } /** * This method is called when the mouse leaves the mp3 player. */ private function onMouseOut(evt:MouseEvent):void { label.textColor = _prevColor; } /** * This method is called when the mouse is clicked on the mp3 player. */ private function onMouseDown(evt:MouseEvent):void { if (_isPlaying) { pausePos = channel.position; channel.stop(); _isPlaying = false; label.text = "MUSIC OFF"; } else { channel = mp3.play(pausePos); channel.addEventListener(Event.SOUND_COMPLETE, onSoundComplete, false, 0, true); _isPlaying = true; label.text = "MUSIC ON"; } } /** * This method is called if an IO error occurs. */ private function onIOError(evt:IOErrorEvent):void { } } </code></pre> <p>}</p>
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    1. USPaolo Rossi
    1. USPaolo Rossi
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    1. COWhere do you define `mp3` and `channel`? And does your `Event.SOUND_COMPLETE` give a callback when the MP3 is ready to play? Where did you find the MP3Player class?
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      1. USputvande
    2. COI found the class in the flash project that I purchased.
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      1. USPaolo Rossi
    3. COHmm maybe you should have a look at that class, see if there are events that get triggered when the MP3 is done loading. But Im guessing it is the `Event.SOUND_COMPLETE` function.
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