我可以使用Flash AS3从mp3中提取专辑封面吗？

Question

我已成功编写AS3代码来编译XML列表。

但我想添加.mp3的真实比特率和专辑艺术。

我已经在PHP上成功完成了这项工作但是在Flash AS3上失败了。

    import flash.events.Event;
    import flash.events.IOErrorEvent;
    import flash.net.URLRequest;
    import flash.media.ID3Info;
    import flash.media.Sound;

    var dir:String = "SOUNDS/";
    var i:int = 1;
    var songAmount:Number;
    var soundTime:String;
    var soundSize:String;
    var soundBitrate:String;

    var snd:Sound;

    var snd_artist:Array = new Array();
    var snd_album:Array = new Array();
    var snd_title:Array = new Array();
    var snd_time:Array = new Array();
    var snd_size:Array = new Array();
    var snd_bitrate:Array = new Array();
    var snd_genre:Array = new Array();
    var snd_year:Array = new Array();
    var snd_comment:Array = new Array();

    /*
    var artLoader:URLLoader = new URLLoader();
    artLoader.load(new URLRequest("id3albumart.php?folder="+dir));
    */

    getSounds(i);

    function getSounds(arg:int):void
    {
        snd = new Sound();
        snd.load (new URLRequest(dir + String(arg) + ".mp3"));
        snd.addEventListener(Event.COMPLETE, id3Loaded);
        snd.addEventListener(IOErrorEvent.IO_ERROR, soundError,false,0,true);
    }

    function soundError(e:IOErrorEvent):void
    {
    songAmount = i-1;
    doXML(); 
    }

    function id3Loaded(e:Event):void 
    {
        /*** ARTIST ***/

        if (snd.id3.artist == ""){
            snd_artist.push("n/a");
            } else {
                snd_artist.push(snd.id3.artist);
                }

    /*** ALBUM ***/

        if (snd.id3.album == ""){
            snd_album.push("n/a");
            } else {
                snd_album.push(snd.id3.album);
            }

    /*** TITLE ***/

        if (snd.id3.songName == ""){
            snd_title.push("n/a");
            } else {
                snd_title.push(snd.id3.songName);
                }

    /*** DURATION ***/

        var seconds:Number = snd.length / 1000;
        var minutes:Number = Math.floor(seconds / 60);
        var hours:Number = Math.floor(minutes / 60)
        seconds = Math.floor(seconds % 60);
        soundTime = (hours < 10 ? "0" : "") + String(hours) + ":" + (minutes < 10 ? "0" : "") + String(minutes) + ":" + (seconds < 10 ? "0" : "") + String(seconds);

        if (soundTime == ""){
            snd_time.push("n/a");
            } else {
                snd_time.push(soundTime);
                }

    /*** SIZE ***/

        soundSize = String((snd.bytesTotal/1048576).toFixed(2)) + " MB";

        snd_size.push(soundSize);

    /*** BITRATE ***/

        soundBitrate = 128 + " KBPS";

        snd_bitrate.push(soundBitrate);


    /*** YEAR ***/

        if (snd.id3.year == ""){
            snd_year.push("n/a");
            } else {
                snd_year.push(snd.id3.year);
                }

    /*** GENRE ***/

        if (snd.id3.genre == ""){
            snd_genre.push("n/a");
            } else {
                snd_genre.push(snd.id3.genre);
                }

    /*** COMMENT ***/

        if (snd.id3.comment == ""){
            snd_comment.push("n/a");
            } else {
                snd_comment.push(snd.id3.comment);
                }

    trackTEXT.text = "Tracks loaded: ";
    numTEXT.text = i + "";

    snd.close();

    i++;
    getSounds(i);
    } 

    function doXML():void
    {
    var xml:XML = <songs/>;
    for (i = 0; i < songAmount; i++)
    {
        var nodeName:XML = <song/>;

        nodeName.appendChild(<number>{(i + 1)}</number>);
        nodeName.appendChild(<artist>{snd_artist[i]}</artist>);
        nodeName.appendChild(<album>{snd_album[i]}</album>);
        nodeName.appendChild(<title>{snd_title[i]}</title>);
        nodeName.appendChild(<time>{snd_time[i]}</time>);
        nodeName.appendChild(<size>{snd_size[i]}</size>);
        nodeName.appendChild(<bitrate>{snd_bitrate[i]}</bitrate>);
        nodeName.appendChild(<genre>{snd_genre[i]}</genre>);
        nodeName.appendChild(<year>{snd_year[i]}</year>);
        nodeName.appendChild(<comment>{snd_comment[i]}</comment>);

        xml.appendChild(nodeName);
    }

    var newXML:String = xml.toXMLString();
    newXML = newXML.replace(/\n/g, "\r\n");
    newXML = "<?xml version='1.0' encoding='utf-8'?>\r\n" + newXML;

    var saveXML:FileReference = new FileReference();
    saveXML.save(newXML, "mp3_XML.xml");
}