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<?xml version="1.0"?>
<!-- -->
<!-- Adobe Flex 3 source file of APlayer9.swf, -->
<!-- a FlashPlayer-9 compatible component for playing -->
<!-- MP3 audio files and streams. -->
<!-- -->
<!-- version 20131030 -->
<!-- -->
<!-- Copyright (C) 2012-today Alexander Grahn -->
<!-- -->
<!-- This work may be distributed and/or modified under the -->
<!-- conditions of the LaTeX Project Public License, either -->
<!-- version 1.3 of this license or (at your option) any later -->
<!-- version. -->
<!-- -->
<!-- The latest version of this license is in -->
<!-- http://www.latex-project.org/lppl.txt -->
<!-- and version 1.3 or later is part of all distributions of -->
<!-- LaTeX version 2005/12/01 or later. -->
<!-- -->
<!-- This work has the LPPL maintenance status `maintained'. -->
<!-- -->
<!-- The current maintainer of this work is A. Grahn. -->
<!-- -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
preinitialize="initialise(Application.application.parameters);"
applicationComplete="initSound();addEventListeners();"
creationComplete="initCallBacks();"
mouseDown="pause();setFocus();"
mouseUp="play();"
backgroundAlpha="0"
paddingTop="0" paddingBottom="0"
paddingLeft="0" paddingRight="0"
layout="absolute" clipContent="false"
>
<mx:Script>
<![CDATA[
[Bindable] private var source:String;
[Bindable] private var policy:String=null;
[Bindable] private var autoPlay:Boolean=false;
[Bindable] private var loop:Boolean=false;
[Bindable] private var vol:Number=0.75;
[Bindable] private var pan:Number=0;
[Bindable] private var hideBar:Boolean=false;
[Bindable] private var txtAlign:String;
private var snd:Sound;
private var id3:ID3Info;
private var sndCh:SoundChannel;
private var sndTr:SoundTransform;
private var playResumePosition:Number = 0;
private var playing:Boolean = false;
private var muted:Boolean = false;
private var lastVol:Number;
private var deltaSeek:Number;
private var currentTime:Number;
private var keyPressed:Boolean=false;
private var mouseIsOver:Boolean=false;
import flash.external.*;
private function initialise(flashVars:Object):void {
source=flashVars.source;
if(flashVars.policy) policy=flashVars.policy;
if(flashVars.autoPlay=='true') autoPlay=true;
if(flashVars.loop=='true') loop=true;
if(flashVars.volume) vol=Number(flashVars.volume);
if(flashVars.balance) pan=Number(flashVars.balance);
if(flashVars.hideBar=='true') hideBar=true;
}
import mx.controls.Alert;
private function initSound():void {
snd = new Sound(); id3=null;
sndTr = new SoundTransform(vol, pan);
snd.addEventListener(Event.ID3, onID3Info);
snd.addEventListener(IOErrorEvent.IO_ERROR, onError);
snd.addEventListener(ProgressEvent.PROGRESS, onProgress);
snd.addEventListener(Event.COMPLETE, onComplete);
if(policy) Security.loadPolicyFile(policy);
snd.load(new URLRequest(source), new SoundLoaderContext(1000, true));
if(autoPlay) play();
}
private function onMouseOver(e:MouseEvent):void {
mouseIsOver=true;
fadeEffect.end();
playProgress.alpha=caption.alpha=1.0;
caption.visible=!hideBar;
}
private function onMouseOut(e:MouseEvent):void {
mouseIsOver=false;
fadeEffect.play();
}
private function onKeyDown(e:KeyboardEvent):void {
switch(e.keyCode) {
case 32: //space bar
playPause();
break;
case 36: //home
pause();
playResumePosition=(0);
break;
case 35: //end
if(playProgress.indeterminate) break;
pause();
playResumePosition=(snd.length);
break;
case 37: //<--
fadeEffect.end();
playProgress.alpha=caption.alpha=1.0;
caption.visible=!hideBar;
if(e.ctrlKey){
pan=Math.max(-1,pan-0.025);
balance(pan);
break;
}
if(!keyPressed){
deltaSeek=Math.max(100,snd.length/10000);
if(playing)
currentTime=sndCh.position;
else
currentTime=playResumePosition;
}
keyPressed=true;
playResumePosition=Math.max(0,currentTime-deltaSeek);
if(playing) seek(playResumePosition/1000);
deltaSeek*=1.1;
break;
case 39: //-->
fadeEffect.end();
playProgress.alpha=caption.alpha=1.0;
caption.visible=!hideBar;
if(e.ctrlKey){
pan=Math.min(1,pan+0.025);
balance(pan);
break;
}
if(!keyPressed){
deltaSeek=Math.max(100,snd.length/10000);
if(playing)
currentTime=sndCh.position;
else
currentTime=playResumePosition;
}
keyPressed=true;
playResumePosition=Math.min(snd.length-10,currentTime+deltaSeek);
seek(playResumePosition/1000);
deltaSeek*=1.1;
break;
case 38:
vol=Math.min(1,vol+0.025);
volume(vol);
break;
case 40:
if(e.ctrlKey){
pan=0;
balance(pan);
break;
}
vol=Math.max(0,vol-0.025);
volume(vol);
break;
default:
if(e.charCode==109) mute(); //`m'
}
}
private function onKeyUp(e:KeyboardEvent):void {
switch(e.keyCode) {
case 37: //<--
case 39: //-->
deltaSeek=Math.max(100,snd.length/10000);
keyPressed=false;
if (!mouseIsOver) fadeEffect.play();
break;
}
}
private function formatLabel(s:Number):String {
s/=1000;
var hrs:Number = Math.floor(s / 3600);
var min:Number = Math.floor(s / 60 % 60);
var sec:Number = Math.floor(s % 60);
var fmtd:String='';
if(hrs>0) fmtd = String(hrs)+':';
if(hrs>0 && min <10) fmtd+='0';
fmtd += String(min)+':';
if(sec<10) fmtd+='0';
fmtd += String(sec);
txtAlign="center";
try{
if(id3.songName)
fmtd += ' '+ String.fromCharCode(0x2014) + ' ' + id3.songName;
if(id3.artist) fmtd += ' | ' + id3.artist;
if(id3.album) fmtd += ' | ' + id3.album;
if(id3) txtAlign="start";
}catch(e:Object){}
return fmtd;
}
private function addEventListeners():void {
this.setFocus();
this.addEventListener(Event.ENTER_FRAME, onEnterFrame);
this.addEventListener(KeyboardEvent.KEY_DOWN, onKeyDown);
this.addEventListener(KeyboardEvent.KEY_UP, onKeyUp);
this.addEventListener(MouseEvent.MOUSE_OUT, onMouseOut);
this.addEventListener(MouseEvent.MOUSE_OVER, onMouseOver);
}
private function setSource(s:String):void {
pause();
source=s;
initSound();
}
private function loadPolicy(p:String):void {policy=p;}
private function play():void {
if(playing) return;
try{sndCh = snd.play(playResumePosition, 0, sndTr);}
catch(e:Error){Alert.show(e.message,'Error');}
sndCh.addEventListener(Event.SOUND_COMPLETE, onSoundComplete);
playing = true;
}
private function pause():void {
if(!playing) return;
playResumePosition = sndCh.position;
sndCh.stop();
playing = false;
}
private function playPause():void {
if(playing) pause(); else play();
}
private function seek(p:Number):void {
playResumePosition = p*1000;
if(!playing) return;
sndCh.stop();
playing = false;
play();
}
private function rewind():void {
seek(0);
}
private function volume(v:Number):void {
sndTr.volume = v;
sndCh.soundTransform=sndTr;
}
private function mute():void {
if(muted) {
if(lastVol==0) lastVol=0.75;
volume(lastVol);
muted=false;
}
else {
lastVol = sndTr.volume
volume(0);
muted=true;
}
}
private function balance(p:Number):void {
sndTr.pan = p;
sndCh.soundTransform=sndTr;
}
private function initCallBacks():void {
ExternalInterface.addCallback("play", play);
ExternalInterface.addCallback("pause", pause);
ExternalInterface.addCallback("playPause", playPause);
ExternalInterface.addCallback("seek", seek);
ExternalInterface.addCallback("rewind", rewind);
ExternalInterface.addCallback("volume", volume);
ExternalInterface.addCallback("balance", balance);
ExternalInterface.addCallback("mute", mute);
ExternalInterface.addCallback("setSource", setSource);
ExternalInterface.addCallback("loadPolicy", loadPolicy);
}
private function onSoundComplete(e:Event):void {
playing = false;
playResumePosition = 0;
if(loop) play();
}
private function onComplete(e:Event):void {
playProgress.indeterminate=false;
}
private function onProgress(e:ProgressEvent):void {
playProgress.indeterminate=true;
}
private function onEnterFrame(e:Event):void {
if(!playProgress.indeterminate) {
if(playing) {
playProgress.setProgress(sndCh.position,snd.length);
caption.text=formatLabel(sndCh.position);
} else {
playProgress.setProgress(playResumePosition,snd.length);
caption.text=formatLabel(playResumePosition);
}
}else{
if(playing) {
playProgress.setProgress(Math.random(),1);
caption.text=formatLabel(sndCh.position);
} else {
playProgress.setProgress(snd.bytesLoaded,snd.bytesTotal);
caption.text=formatLabel(playResumePosition);
}
}
}
private function onID3Info(e:Event):void {id3 = e.target.id3;}
private function onError(e:ErrorEvent):void {
Alert.show(e.type, e.text);
}
]]>
</mx:Script>
<mx:Fade id="fadeEffect" target="{playProgress}" alphaFrom="1.0" alphaTo="0"
effectEnd="caption.visible=false" duration="2000"/>
<mx:ProgressBar width="100%" height="100%" mode="manual"
labelPlacement="center" label="" id="playProgress"
visible="{!hideBar}"
/>
<mx:Label id="caption" width="100%" verticalCenter="0"
paddingTop="2" fontWeight="bold" visible="{!hideBar}"
textAlign="{txtAlign}" paddingLeft="5"
/>
</mx:Application>
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