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<?xml version="1.0"?>
<!-- -->
<!-- Adobe Flex 4 source file of APlayer.swf, -->
<!-- a FlashPlayer-10 compatible component for playing -->
<!-- MP3 audio files and streams. -->
<!-- -->
<!-- version 20120425 -->
<!-- -->
<!-- -->
<!-- The free Adobe Flex 4 SDK is required to compile -->
<!-- this file. Get it from -->
<!-- -->
<!-- http://www.adobe.com/products/flex/ -->
<!-- -->
<!-- and run -->
<!-- -->
<!-- mxmlc -static-link-runtime-shared-libraries APlayer.mxml -->
<!-- -->
<!-- on the command line. -->
<!-- -->
<!-- -->
<!-- Copyright (C) 2012 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. -->
<!-- -->
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx"
preinitialize="initialise(FlexGlobals.topLevelApplication.parameters);"
applicationComplete="initSound();addEventListener(Event.ENTER_FRAME, onEnterFrame);"
creationComplete="initCallBacks();"
mouseDown="pause();"
mouseUp="play();"
>
<fx:Script>
<![CDATA[
[Bindable] private var source:String;
[Bindable] private var autoPlay:Boolean=false;
[Bindable] private var loop:Boolean=false;
[Bindable] private var vol:Number=0.75;
[Bindable] private var balance:Number=0;
private var snd:Sound;
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;
import mx.core.FlexGlobals;
private function initialise(flashVars:Object):void {
source=flashVars.source;
if(flashVars.autoPlay){autoPlay=(flashVars.autoPlay=='true')}
if(flashVars.loop){loop=(flashVars.loop=='true')}
if(flashVars.volume){vol=Number(flashVars.volume)}
if(flashVars.balance){balance=Number(flashVars.balance)}
}
import mx.controls.Alert;
private function initSound():void {
snd = new Sound(new URLRequest(source));
sndTr = new SoundTransform(vol, balance);
snd.addEventListener(IOErrorEvent.IO_ERROR, errorHandler);
snd.addEventListener(ProgressEvent.PROGRESS, progressHandler);
snd.addEventListener(Event.COMPLETE, completeHandler);
if(autoPlay) play();
}
private function setSource(src:String):void {
pause();
snd = new Sound(new URLRequest(src));
if(autoPlay) play();
}
private function play():void {
if (!playing) {
try{sndCh = snd.play(playResumePosition, 0, sndTr);}
catch(err:Error){Alert.show(err.message,'Error');}
sndCh.addEventListener(Event.SOUND_COMPLETE, sndCompleteHandler);
playing = true;
}
}
private function pause():void {
if (playing) {
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) {
sndCh.stop();
playing = false;
play();
}
}
private function rewind():void {
seek(0);
}
private function volume(v:Number):void {
sndTr.volume = v;
if (playing) {
pause();
play();
}
}
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 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("mute", mute);
ExternalInterface.addCallback("setSource", setSource);
}
private function sndCompleteHandler(event:Event):void {
playing = false;
playResumePosition = 0;
if(loop) play();
}
private function completeHandler(event:Event):void {
playProgress.indeterminate=false;
}
import flash.events.ProgressEvent;
private function progressHandler(event:ProgressEvent):void {
playProgress.indeterminate=true;
if(playing) {
playProgress.setProgress(0.5,1);
}
}
private function onEnterFrame(event:Event):void {
if(playProgress.indeterminate==false && playing) {
playProgress.setProgress(sndCh.position,snd.length);
}
}
import flash.events.IOErrorEvent;
private function errorHandler(errorEvent:IOErrorEvent):void {
Alert.show(errorEvent.text + '\ncould not be loaded','Error');
}
]]>
</fx:Script>
<mx:ProgressBar width="100%" mode="manual"
horizontalCenter="0" verticalCenter="0" labelPlacement="center"
label="" id="playProgress"
/>
</s:Application>
|
