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wyrian/js/libs/soundmanager/src/SoundManager2_AS3.as
Guillaume DE LA RUE 28e7b63568 Version 0.2b : 
- Intro Screen
- Share buttons (Twitter/Facebook)
- SoundManager
- Add audio files
- Some CleanUp
2011-02-13 13:28:40 +01:00

921 lines
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ActionScript
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/*
SoundManager 2: Javascript Sound for the Web
----------------------------------------------
http://schillmania.com/projects/soundmanager2/
Copyright (c) 2007, Scott Schiller. All rights reserved.
Code licensed under the BSD License:
http://www.schillmania.com/projects/soundmanager2/license.txt
Flash 9 / ActionScript 3 version
*/
package {
import flash.display.Sprite;
import flash.events.Event;
import flash.events.IOErrorEvent;
import flash.events.MouseEvent;
import flash.events.SecurityErrorEvent;
import flash.events.AsyncErrorEvent;
import flash.events.NetStatusEvent;
import flash.events.TimerEvent;
import flash.external.ExternalInterface; // woo
import flash.media.Sound;
import flash.media.SoundChannel;
import flash.media.SoundMixer;
import flash.net.URLLoader;
import flash.net.URLRequest;
import flash.system.Security;
import flash.system.System;
import flash.text.TextField;
import flash.text.TextFormat;
import flash.text.TextFieldAutoSize;
import flash.ui.ContextMenu;
import flash.ui.ContextMenuItem;
import flash.utils.setInterval;
import flash.utils.clearInterval;
import flash.utils.Dictionary;
import flash.utils.Timer;
public class SoundManager2_AS3 extends Sprite {
public var version:String = "V2.97a.20110101";
public var version_as:String = "(AS3/Flash 9)";
/*
* Cross-domain security options
* HTML on foo.com loading .swf hosted on bar.com? Define your "HTML domain" here to allow JS+Flash communication to work.
* // allow_xdomain_scripting = true;
* // xdomain = "foo.com";
* For all domains (possible security risk?), use xdomain = "*"; which ends up as System.security.allowDomain("*");
* When loading from HTTPS, use System.security.allowInsecureDomain();
* See http://livedocs.adobe.com/flash/9.0/ActionScriptLangRefV3/flash/system/Security.html#allowDomain()
*/
public var allow_xdomain_scripting:Boolean = false;
public var xdomain:String = "*";
// externalInterface references (for Javascript callbacks)
public var baseJSController:String = "soundManager";
public var baseJSObject:String = baseJSController + ".sounds";
// internal objects
public var sounds:Array = []; // indexed string array
public var soundObjects: Dictionary = new Dictionary(); // associative Sound() object Dictionary type
public var timer: Timer = null;
public var pollingEnabled: Boolean = false; // polling (timer) flag - disabled by default, enabled by JS->Flash call
public var debugEnabled: Boolean = true; // Flash debug output enabled by default, disabled by JS call
public var flashDebugEnabled: Boolean = false; // Flash internal debug output (write to visible SWF in browser)
public var loaded: Boolean = false;
public var currentObject: SoundManager2_SMSound_AS3 = null;
public var paramList:Object = null;
public var messages:Array = [];
public var textField: TextField = null;
public var textStyle: TextFormat = new TextFormat();
public var didSandboxMessage: Boolean = false;
public var caughtFatal: Boolean = false;
public function SoundManager2_AS3() {
if (allow_xdomain_scripting && xdomain) {
Security.allowDomain(xdomain);
version_as += ' - cross-domain enabled';
}
this.paramList = this.root.loaderInfo.parameters;
// <d>
if (this.paramList['debug'] == 1) {
this.flashDebugEnabled = true;
}
if (this.flashDebugEnabled) {
var canvas: Sprite = new Sprite();
canvas.graphics.drawRect(0, 0, stage.stageWidth, stage.stageHeight);
addChild(canvas);
}
// </d>
flashDebug('SM2 SWF ' + version + ' ' + version_as);
// context menu item with version info
var sm2Menu:ContextMenu = new ContextMenu();
var sm2MenuItem:ContextMenuItem = new ContextMenuItem('SoundManager ' + version + ' ' + version_as);
sm2MenuItem.enabled = false;
sm2Menu.customItems.push(sm2MenuItem);
contextMenu = sm2Menu;
if (ExternalInterface.available) {
flashDebug('ExternalInterface available');
try {
flashDebug('Adding ExternalInterface callbacks...');
ExternalInterface.addCallback('_load', _load);
ExternalInterface.addCallback('_unload', _unload);
ExternalInterface.addCallback('_stop', _stop);
ExternalInterface.addCallback('_start', _start);
ExternalInterface.addCallback('_pause', _pause);
ExternalInterface.addCallback('_setPosition', _setPosition);
ExternalInterface.addCallback('_setPan', _setPan);
ExternalInterface.addCallback('_setVolume', _setVolume);
ExternalInterface.addCallback('_setPolling', _setPolling);
ExternalInterface.addCallback('_externalInterfaceTest', _externalInterfaceTest);
ExternalInterface.addCallback('_disableDebug', _disableDebug);
ExternalInterface.addCallback('_getMemoryUse', _getMemoryUse);
ExternalInterface.addCallback('_createSound', _createSound);
ExternalInterface.addCallback('_destroySound', _destroySound);
ExternalInterface.addCallback('_setAutoPlay', _setAutoPlay);
} catch(e: Error) {
flashDebug('Fatal: ExternalInterface error: ' + e.toString());
}
} else {
flashDebug('Fatal: ExternalInterface (Flash &lt;-&gt; JS) not available');
};
// call after delay, to be safe (ensure callbacks are registered by the time JS is called below)
var timer: Timer = new Timer(20, 0);
timer.addEventListener(TimerEvent.TIMER, function() : void {
timer.reset();
_externalInterfaceTest(true);
// timer.reset();
// flashDebug('Init OK');
});
timer.start();
// delayed, see above
// _externalInterfaceTest(true);
} // SoundManager2()
public function flashDebug (txt:String) : void {
// <d>
messages.push(txt);
if (this.flashDebugEnabled) {
var didCreate: Boolean = false;
textStyle.font = 'Arial';
textStyle.size = 12;
// 320x240 if no stage dimensions (happens in IE, apparently 0 before stage resize event fires.)
var w:Number = this.stage.width?this.stage.width:320;
var h:Number = this.stage.height?this.stage.height:240;
if (textField == null) {
didCreate = true;
textField = new TextField();
textField.autoSize = TextFieldAutoSize.LEFT;
textField.x = 0;
textField.y = 0;
textField.multiline = true;
textField.textColor = 0;
textField.wordWrap = true;
}
textField.htmlText = messages.join('\n');
textField.setTextFormat(textStyle);
textField.width = w;
textField.height = h;
if (didCreate) {
this.addChild(textField);
}
}
// </d>
}
public function _setAutoPlay(sID:String, autoPlay:Boolean) : void {
var s: SoundManager2_SMSound_AS3 = soundObjects[sID];
if (s) {
s.setAutoPlay(autoPlay);
}
}
// methods
// -----------------------------------
public function writeDebug (s:String, bTimestamp: Boolean = false) : Boolean {
if (!debugEnabled) return false;
// <d>
ExternalInterface.call(baseJSController + "['_writeDebug']", "(Flash): " + s, null, bTimestamp);
// </d>
return true;
}
public function _externalInterfaceTest(isFirstCall: Boolean) : Boolean {
var sandboxType:String = flash.system.Security['sandboxType'];
if (!didSandboxMessage && sandboxType != 'localTrusted' && sandboxType != 'remote') {
didSandboxMessage = true;
flashDebug('<br><b>Fatal: Security sandbox error: Got "' + sandboxType + '", expected "remote" or "localTrusted".<br>Additional security permissions need to be granted.<br>See <a href="http://www.macromedia.com/support/documentation/en/flashplayer/help/settings_manager04.html">flash security settings panel</a> for non-HTTP, eg., file:// use.</b><br>http://www.macromedia.com/support/documentation/en/flashplayer/help/settings_manager04.html');
}
try {
if (isFirstCall == true) {
flashDebug('Testing Flash -&gt; JS...');
var d: Date = new Date();
ExternalInterface.call(baseJSController + "._externalInterfaceOK", d.getTime());
flashDebug('Flash -&gt; JS OK');
} else {
writeDebug('SM2 SWF ' + version + ' ' + version_as);
flashDebug('JS -> Flash OK');
ExternalInterface.call(baseJSController + "._setSandboxType", sandboxType);
writeDebug('JS to/from Flash OK');
}
} catch(e: Error) {
flashDebug('Fatal: Flash &lt;-&gt; JS error: ' + e.toString());
writeDebug('_externalInterfaceTest: Error: ' + e.toString());
if (!caughtFatal) {
caughtFatal = true;
}
return false;
}
return true; // to verify that a call from JS to here, works. (eg. JS receives "true", thus OK.)
}
public function _disableDebug() : void {
// prevent future debug calls from Flash going to client (maybe improve performance)
writeDebug('_disableDebug()');
debugEnabled = false;
}
public function checkLoadProgress(e: Event) : void {
try {
var oSound:Object = e.target;
var bL: int = oSound.bytesLoaded;
var bT: int = oSound.bytesTotal;
var nD: int = oSound.length || oSound.duration || 0;
var sMethod:String = baseJSObject + "['" + oSound.sID + "']._whileloading";
ExternalInterface.call(sMethod, bL, bT, nD);
if (bL && bT && bL != oSound.lastValues.bytes) {
oSound.lastValues.bytes = bL;
ExternalInterface.call(sMethod, bL, bT, nD);
}
} catch(e: Error) {
writeDebug('checkLoadProgress(): ' + e.toString());
}
}
public function checkProgress() : void {
var bL: int = 0;
var bT: int = 0;
var nD: int = 0;
var nP: int = 0;
var bufferLength: int = 0;
var lP:Number = 0;
var rP:Number = 0;
var isBuffering:Object = null;
var oSound: SoundManager2_SMSound_AS3 = null;
var oSoundChannel: flash.media.SoundChannel = null;
var sMethod:String = null;
var newPeakData: Boolean = false;
var newWaveformData: Boolean = false;
var newEQData: Boolean = false;
var areSoundsInaccessible: Boolean = SoundMixer.areSoundsInaccessible();
var isPlaying: Boolean = true; // special case for NetStream when ending
var hasNew:Boolean = false;
var hasNewLoaded:Boolean = false;
for (var i: int = 0, j: int = sounds.length; i < j; i++) {
oSound = soundObjects[sounds[i]];
sMethod = baseJSObject + "['" + sounds[i] + "']._whileloading";
if (!oSound || !oSound.useEvents || oSound.failed || !oSound.connected) {
// various cases for ignoring
continue; // if sounds are destructed within event handlers while this loop is running, may be null
}
if (oSound.useNetstream) {
// Don't do anything if there is no NetStream object yet
if (!oSound.ns) {
continue;
}
// stream
bufferLength = oSound.ns.bufferLength;
bL = oSound.ns.bytesLoaded;
bT = oSound.ns.bytesTotal;
nD = int(oSound.duration || 0); // can sometimes be null with short MP3s? Wack.
nP = oSound.ns.time * 1000;
if (nP != oSound.lastValues.position) {
oSound.lastValues.position = nP;
hasNew = true;
}
if (nD > oSound.lastValues.duration) {
oSound.lastValues.duration = nD;
hasNew = true;
}
if (bL > oSound.lastValues.bytesLoaded) {
oSound.lastValues.bytesLoaded = bL;
hasNew = true;
}
if (bT > oSound.lastValues.bytes) {
oSound.lastValues.bytes = bT;
hasNew = true;
}
if (bufferLength != oSound.lastValues.bufferLength) {
oSound.lastValues.bufferLength = bufferLength;
hasNew = true;
}
// Don't set loaded for streams because bytesLoaded and bytesTotal are always 0
// writeDebug('ns: time/duration, bytesloaded/total: '+nP+'/'+nD+', '+bL+'/'+bT);
if (oSound.loaded != true && nD > 0 && bL == bT && bL != 0 && bT != 0) {
// non-MP3 has loaded
oSound.loaded = true;
try {
ExternalInterface.call(sMethod, bL, bT, nD, bufferLength);
ExternalInterface.call(baseJSObject + "['" + oSound.sID + "']._onload", oSound.duration > 0 ? 1 : 0);
} catch(e: Error) {
writeDebug('_whileLoading/_onload error: ' + e.toString());
}
} else if (oSound.loaded != true && hasNew) {
ExternalInterface.call(sMethod, bL, bT, nD, bufferLength);
}
} else {
// MP3 sound
oSoundChannel = oSound.soundChannel;
bL = oSound.bytesLoaded;
bT = oSound.bytesTotal;
nD = int(oSound.length || 0); // can sometimes be null with short MP3s? Wack.
isBuffering = oSound.isBuffering;
if (oSoundChannel) {
nP = (oSoundChannel.position || 0);
if (oSound.lastValues.loops > 1 && nP > oSound.length) {
// round down to nearest loop
var playedLoops:Number = Math.floor(nP/oSound.length);
nP = nP - (oSound.length*playedLoops);
}
if (oSound.usePeakData) {
lP = int((oSoundChannel.leftPeak) * 1000) / 1000;
rP = int((oSoundChannel.rightPeak) * 1000) / 1000;
} else {
lP = 0;
rP = 0;
}
} else {
// stopped, not loaded or feature not used
nP = 0;
}
if (nP != oSound.lastValues.position) {
oSound.lastValues.position = nP;
hasNew = true;
}
if (nD > oSound.lastValues.duration) { // original sound duration * number of sound loops
oSound.lastValues.duration = nD;
hasNew = true;
}
if (bL > oSound.lastValues.bytesLoaded) {
oSound.lastValues.bytesLoaded = bL;
hasNew = true;
}
if (bT > oSound.lastValues.bytes) {
oSound.lastValues.bytes = bT;
hasNew = true;
hasNewLoaded = true;
}
// loading progress
if (hasNewLoaded) {
oSound.lastValues.bytes = bL;
ExternalInterface.call(sMethod, bL, bT, nD);
}
}
// peak data
if (oSoundChannel && oSound.usePeakData) {
if (lP != oSound.lastValues.leftPeak) {
oSound.lastValues.leftPeak = lP;
newPeakData = true;
}
if (rP != oSound.lastValues.rightPeak) {
oSound.lastValues.rightPeak = rP;
newPeakData = true;
}
}
var newDataError:Boolean = false;
var dataError:String;
// special case: Netstream may try to fire whileplaying() after finishing. check that stop hasn't fired.
isPlaying = (oSound.didLoad && !oSound.paused && (!oSound.useNetstream || (oSound.useNetstream && oSound.lastNetStatus != "NetStream.Play.Stop"))); // don't update if stream has ended
// raw waveform + EQ spectrum data
if (isPlaying && oSoundChannel) { // || oSound.useNetstream)) {
if (oSound.useWaveformData) {
if (!areSoundsInaccessible && !oSound.handledDataError && !oSound.ignoreDataError) {
try {
oSound.getWaveformData();
} catch(e: Error) {
if (!oSound.handledDataError) {
writeDebug('getWaveformData() (waveform data) '+e.toString());
}
// oSound.useWaveformData = false;
newDataError = true;
dataError = e.toString();
}
}
}
if (oSound.useEQData) {
if (!areSoundsInaccessible && !oSound.handledDataError && !oSound.ignoreDataError) {
try {
oSound.getEQData();
} catch(e: Error) {
if (!oSound.handledDataError) {
writeDebug('computeSpectrum() (EQ data) '+e.toString());
}
// oSound.useEQData = false;
newDataError = true;
dataError = e.toString();
}
}
}
if (oSound.waveformDataArray != oSound.lastValues.waveformDataArray) {
oSound.lastValues.waveformDataArray = oSound.waveformDataArray;
newWaveformData = true;
}
if (oSound.eqDataArray != oSound.lastValues.eqDataArray) {
oSound.lastValues.eqDataArray = oSound.eqDataArray;
newEQData = true;
}
if (newDataError && !oSound.handledDataError) {
sMethod = baseJSObject + "['" + sounds[i] + "']._ondataerror";
ExternalInterface.call(sMethod, 'data unavailable: ' + dataError);
oSound.handledDataError = true;
}
}
if (typeof nP != 'undefined' && hasNew) { // && isPlaying - removed to allow updates while paused, eg. from setPosition() calls
// oSound.lastValues.position = nP;
sMethod = baseJSObject + "['" + sounds[i] + "']._whileplaying";
var waveDataLeft:String = (newWaveformData ? oSound.waveformDataArray.slice(0, 256).join(',') : null);
var waveDataRight:String = (newWaveformData ? oSound.waveformDataArray.slice(256).join(',') : null);
var eqDataLeft:String = (newEQData ? oSound.eqDataArray.slice(0, 256).join(',') : null);
var eqDataRight:String = (newEQData ? oSound.eqDataArray.slice(256).join(',') : null);
ExternalInterface.call(sMethod, nP, (newPeakData ? {
leftPeak: lP,
rightPeak: rP
} : null), waveDataLeft, waveDataRight, (newEQData ? {
leftEQ: eqDataLeft,
rightEQ: eqDataRight
} : null));
// if position changed, check for near-end
if (oSound.didJustBeforeFinish != true && oSound.loaded == true && oSound.justBeforeFinishOffset > 0 && nD - nP <= oSound.justBeforeFinishOffset) {
// fully-loaded, near end and haven't done this yet..
sMethod = baseJSObject + "['" + sounds[i] + "']._onjustbeforefinish";
ExternalInterface.call(sMethod, (nD - nP));
oSound.didJustBeforeFinish = true;
}
}
// check isBuffering
if (!oSound.useNetstream && oSound.isBuffering != oSound.lastValues.isBuffering) {
// property has changed
oSound.lastValues.isBuffering = oSound.isBuffering;
sMethod = baseJSObject + "['" + sounds[i] + "']._onbufferchange";
ExternalInterface.call(sMethod, oSound.isBuffering ? 1 : 0);
}
}
}
public function onLoadError(oSound:Object) : void {
// something went wrong. 404, bad format etc.
ExternalInterface.call(baseJSObject + "['" + oSound.sID + "']._onload", 0);
}
public function onLoad(e: Event) : void {
checkProgress(); // ensure progress stats are up-to-date
var oSound:Object = e.target;
if (!oSound.useNetstream) { // FLV must also have metadata
oSound.loaded = true;
// force duration update (doesn't seem to be always accurate)
ExternalInterface.call(baseJSObject + "['" + oSound.sID + "']._whileloading", oSound.bytesLoaded, oSound.bytesTotal, oSound.length || oSound.duration);
// TODO: Determine if loaded or failed - bSuccess?
// ExternalInterface.call(baseJSObject+"['"+oSound.sID+"']._onload",bSuccess?1:0);
ExternalInterface.call(baseJSObject + "['" + oSound.sID + "']._onload", 1);
}
}
public function onID3(e: Event) : void {
// --- NOTE: BUGGY (Flash 8 only? Haven't really checked 9 + 10.) ---
// TODO: Investigate holes in ID3 parsing - for some reason, Album will be populated with Date if empty and date is provided. (?)
// ID3V1 seem to parse OK, but "holes" / blanks in ID3V2 data seem to get messed up (eg. missing album gets filled with date.)
// iTunes issues: onID3 was not called with a test MP3 encoded with iTunes 7.01, and what appeared to be valid ID3V2 data.
// May be related to thumbnails for album art included in MP3 file by iTunes. See http://mabblog.com/blog/?p=33
try {
var oSound:Object = e.target;
var id3Data:Array = [];
var id3Props:Array = [];
for (var prop:String in oSound.id3) {
id3Props.push(prop);
id3Data.push(oSound.id3[prop]);
// writeDebug('id3['+prop+']: '+oSound.id3[prop]);
}
ExternalInterface.call(baseJSObject + "['" + oSound.sID + "']._onid3", id3Props, id3Data);
// unhook own event handler, prevent second call (can fire twice as data is received - ID3V2 at beginning, ID3V1 at end.)
// Therefore if ID3V2 data is received, ID3V1 is ignored.
// soundObjects[oSound.sID].onID3 = null;
} catch(e: Error) {
writeDebug('onID3(): Unable to get ID3 info for ' + oSound.sID + '.');
}
oSound.removeEventListener(Event.ID3, onID3);
}
public function registerOnComplete(sID:String) : void {
var oSound: SoundManager2_SMSound_AS3 = soundObjects[sID];
if (oSound && oSound.soundChannel) {
oSound.soundChannel.addEventListener(Event.SOUND_COMPLETE, function() : void {
if (oSound) {
oSound.didJustBeforeFinish = false; // reset
checkProgress();
try {
oSound.ignoreDataError = true; // workaround: avoid data error handling for this manual step..
oSound.start(0, 1); // go back to 0
oSound.soundChannel.stop();
} catch(e: Error) {
writeDebug('Could not set position on ' + sID + ': ' + e.toString());
}
oSound.ignoreDataError = false; // ..and reset
oSound.handledDataError = false; // reset this flag
}
// checkProgress();
ExternalInterface.call(baseJSObject + "['" + sID + "']._onfinish");
});
}
}
public function doSecurityError(oSound: SoundManager2_SMSound_AS3, e: SecurityErrorEvent) : void {
writeDebug('securityError: ' + e.text);
// when this happens, you don't have security rights on the server containing the FLV file
// a crossdomain.xml file would fix the problem easily
}
public function _setPosition(sID:String, nSecOffset:Number, isPaused: Boolean) : void {
var s: SoundManager2_SMSound_AS3 = soundObjects[sID];
if (!s) return void;
// writeDebug('_setPosition()');
// stop current channel, start new one.
if (s.lastValues) {
s.lastValues.position = nSecOffset; // s.soundChannel.position;
}
if (s.useNetstream) {
// Minimize the buffer so playback starts ASAP
s.setBuffer(s.getStartBuffer());
writeDebug('setPosition: setting buffer to '+s.ns.bufferTime+' secs');
nSecOffset = nSecOffset > 0 ? nSecOffset / 1000 : 0;
writeDebug('setPosition: ' + nSecOffset);
s.ns.seek(nSecOffset);
checkProgress(); // force UI update
} else {
if (s.soundChannel) {
s.soundChannel.stop();
}
writeDebug('setPosition: ' + nSecOffset); // +', '+(s.lastValues.loops?s.lastValues.loops:1));
if (s.lastValues.loops > 1 && nSecOffset != 0) {
writeDebug('Warning: Looping functionality being disabled due to Flash limitation.');
s.lastValues.loops = 1;
}
try {
s.start(nSecOffset, s.lastValues.loops || 1); // start playing at new position
} catch(e: Error) {
writeDebug('Warning: Could not set position on ' + sID + ': ' + e.toString());
}
checkProgress(); // force UI update
try {
registerOnComplete(sID);
} catch(e: Error) {
writeDebug('_setPosition(): Could not register onComplete');
}
if (isPaused && s.soundChannel) {
// writeDebug('_setPosition: stopping (paused) sound');
// writeDebug('last position: '+s.lastValues.position+' vs '+s.soundChannel.position);
s.soundChannel.stop();
}
}
}
public function _load(sID:String, sURL:String, bStream: Boolean, bAutoPlay: Boolean, nLoops: Number, bAutoLoad: Boolean, bCheckPolicyFile: Boolean) : void {
// writeDebug('_load()');
if (typeof bAutoPlay == 'undefined') bAutoPlay = false;
var s: SoundManager2_SMSound_AS3 = soundObjects[sID];
if (!s) return void;
var didRecreate: Boolean = false;
if (s.didLoad == true) {
// need to recreate sound
didRecreate = true;
writeDebug('recreating sound ' + sID + ' in order to load ' + sURL);
var ns:Object = new Object();
ns.sID = s.sID;
ns.loops = nLoops||1;
ns.justBeforeFinishOffset = s.justBeforeFinishOffset;
ns.usePeakData = s.usePeakData;
ns.useWaveformData = s.useWaveformData;
ns.useEQData = s.useEQData;
ns.useNetstream = s.useNetstream;
ns.bufferTime = s.bufferTime;
ns.bufferTimes = s.bufferTimes;
ns.serverUrl = s.serverUrl;
ns.duration = s.duration;
ns.recordStats = s.recordStats;
ns.checkPolicyFile = s.checkPolicyFile;
ns.useEvents = true;
_destroySound(s.sID);
_createSound(ns.sID, sURL, ns.justBeforeFinishOffset, ns.usePeakData, ns.useWaveformData, ns.useEQData, ns.useNetstream, ns.bufferTime, ns.loops, ns.serverUrl, ns.duration, bAutoPlay, ns.useEvents, ns.bufferTimes, ns.recordStats, bAutoLoad, ns.checkPolicyFile);
s = soundObjects[sID];
// writeDebug('Sound object replaced');
}
checkProgress();
if (!s.didLoad) {
try {
s.addEventListener(Event.ID3, onID3);
s.addEventListener(Event.COMPLETE, onLoad);
} catch(e: Error) {
writeDebug('_load(): could not assign ID3/complete event handlers');
}
}
// don't try to load if same request already made
s.sURL = sURL;
if (s.useNetstream) {
try {
s.useEvents = true;
} catch(e: Error) {
writeDebug('_load(): error: ' + e.toString());
}
} else {
try {
s.addEventListener(IOErrorEvent.IO_ERROR, function(e: IOErrorEvent) : void {
s.doIOError(e);
});
s.loadSound(sURL, bStream);
} catch(e: Error) {
// oh well
writeDebug('_load: Error loading ' + sURL + '. Flash error detail: ' + e.toString());
}
}
s.didJustBeforeFinish = false;
}
public function _unload(sID:String) : void {
var s: SoundManager2_SMSound_AS3 = (soundObjects[sID] || null);
if (!s) return void;
var sURL:String = s.sURL; // save existing sound URL for object recreation
try {
removeEventListener(Event.ID3, onID3);
removeEventListener(Event.COMPLETE, onLoad);
} catch(e: Error) {
writeDebug('_unload() warn: Could not remove ID3/complete events');
}
s.paused = false;
if (s.soundChannel) {
s.soundChannel.stop();
}
try {
if (s.didLoad && !s.loaded && !s.useNetstream) {
s.close(); // close stream only if still loading?
}
} catch(e: Error) {
// stream may already have closed if sound loaded, etc.
writeDebug(sID + '._unload(): Note: Unable to close stream: ' + e.toString());
// oh well
}
// destroy and recreate Flash sound object, try to reclaim memory
// writeDebug('sound._unload(): recreating sound '+sID+' to free memory');
if (s.useNetstream) {
// writeDebug('_unload(): closing netStream stuff');
try {
s.removeNetstreamEvents();
s.ns.close();
s.nc.close();
// s.nc = null;
// s.ns = null;
} catch(e: Error) {
// oh well
writeDebug('_unload(): caught exception during netConnection/netStream close');
}
}
var ns:Object = new Object();
ns.sID = s.sID;
ns.loops = s.loops;
ns.justBeforeFinishOffset = s.justBeforeFinishOffset;
ns.usePeakData = s.usePeakData;
ns.useWaveformData = s.useWaveformData;
ns.useEQData = s.useEQData;
ns.useNetstream = s.useNetstream;
ns.bufferTime = s.bufferTime;
ns.bufferTimes = s.bufferTimes;
ns.serverUrl = s.serverUrl;
ns.duration = s.duration;
ns.autoPlay = s.autoPlay;
ns.recordStats = s.recordStats;
ns.autoLoad = s.autoLoad;
ns.checkPolicyFile = s.checkPolicyFile;
_destroySound(s.sID);
_createSound(ns.sID, sURL, ns.justBeforeFinishOffset, ns.usePeakData, ns.useWaveformData, ns.useEQData, ns.useNetstream, ns.bufferTime, ns.loops, ns.serverUrl, ns.duration, ns.autoPlay, false, ns.bufferTimes, ns.recordStats, ns.autoLoad, ns.checkPolicyFile); // false: don't allow events just yet
soundObjects[sID].connected = true; // fake it?
writeDebug(s.sID + '.unload(): ok');
}
public function _createSound(sID:String, sURL:String, justBeforeFinishOffset: int, usePeakData: Boolean, useWaveformData: Boolean, useEQData: Boolean, useNetstream: Boolean, bufferTime:Number, loops:Number, serverUrl:String, duration:Number, autoPlay:Boolean, useEvents:Boolean, bufferTimes:Array, recordStats:Boolean, autoLoad:Boolean, checkPolicyFile:Boolean) : void {
var s: SoundManager2_SMSound_AS3 = new SoundManager2_SMSound_AS3(this, sID, sURL, usePeakData, useWaveformData, useEQData, useNetstream, bufferTime, serverUrl, duration, autoPlay, useEvents, bufferTimes, recordStats, autoLoad, checkPolicyFile);
if (!soundObjects[sID]) {
sounds.push(sID);
}
soundObjects[sID] = s;
this.currentObject = s;
s.didJustBeforeFinish = false;
s.sID = sID;
s.sURL = sURL;
s.paused = false;
s.loaded = false;
s.justBeforeFinishOffset = justBeforeFinishOffset || 0;
s.checkPolicyFile = checkPolicyFile;
s.lastValues = {
bytes: 0,
position: 0,
loops: loops||1,
leftPeak: 0,
rightPeak: 0,
bufferLength: 0
};
}
public function _destroySound(sID:String) : void {
// for the power of garbage collection! .. er, Greyskull!
var s: SoundManager2_SMSound_AS3 = (soundObjects[sID] || null);
if (!s) return void;
// try to unload the sound
for (var i: int = 0, j: int = sounds.length; i < j; i++) {
if (sounds[i] == sID) {
sounds.splice(i, 1);
break;
}
}
if (s.soundChannel) {
s.soundChannel.stop();
}
// if is a movie, remove that as well.
if (s.useNetstream) {
// s.nc.client = null;
try {
s.removeNetstreamEvents();
// s.nc.removeEventListener(NetStatusEvent.NET_STATUS, s.doNetStatus);
} catch(e: Error) {
writeDebug('_destroySound(): Events already removed from netStream/netConnection?');
}
if (s.didLoad) {
// TODO: figure out if stream is still open first, can't close an already-closed stream.
try {
s.ns.close();
s.nc.close();
} catch(e: Error) {
// oh well
writeDebug('_destroySound(): caught exception: '+e.toString());
}
}
} else if (s.didLoad) {
// non-netstream case
try {
s.close(); // close stream only if still loading?
} catch(e: Error) {
// oh well
}
}
s = null;
soundObjects[sID] = null;
delete soundObjects[sID];
}
public function _stop(sID:String, bStopAll: Boolean) : void {
// stop this particular instance (or "all", based on parameter)
if (bStopAll) {
SoundMixer.stopAll();
} else {
var s: SoundManager2_SMSound_AS3 = soundObjects[sID];
if (!s) return void;
if (s.useNetstream && s.ns) {
s.ns.pause();
} else if (s.soundChannel) {
s.soundChannel.stop();
}
s.paused = false;
s.didJustBeforeFinish = false;
}
}
public function _start(sID:String, nLoops: int, nMsecOffset: int) : void {
var s: SoundManager2_SMSound_AS3 = soundObjects[sID];
if (!s) return void;
writeDebug('start: ' + nMsecOffset+(nLoops?', loops: '+nLoops:''));
s.lastValues.paused = false; // reset pause if applicable
s.lastValues.loops = (nLoops || 1);
if (!s.useNetstream) {
s.lastValues.position = nMsecOffset;
}
s.handledDataError = false; // reset this flag
try {
s.start(nMsecOffset, nLoops);
} catch(e: Error) {
writeDebug('Could not start ' + sID + ': ' + e.toString());
}
try {
registerOnComplete(sID);
} catch(e: Error) {
writeDebug('_start(): registerOnComplete failed');
}
}
public function _pause(sID:String) : void {
// writeDebug('_pause()');
var s: SoundManager2_SMSound_AS3 = soundObjects[sID];
if (!s) return void;
// writeDebug('s.paused: '+s.paused);
if (!s.paused) {
// reference current position, stop sound
s.paused = true;
// writeDebug('_pause(): position: '+s.lastValues.position);
if (s.useNetstream) {
if (s.ns) {
s.lastValues.position = s.ns.time;
s.ns.pause();
} else if (s.autoPlay) {
s.setAutoPlay(false);
}
} else {
if (s.soundChannel) {
s.lastValues.position = s.soundChannel.position;
s.soundChannel.stop();
}
}
} else {
// resume playing from last position
// writeDebug('resuming - playing at '+s.lastValues.position+', '+s.lastValues.loops+' times');
s.paused = false;
if (s.useNetstream) {
s.ns.resume();
} else {
s.start(s.lastValues.position, s.lastValues.loops);
}
try {
registerOnComplete(sID);
} catch(e: Error) {
writeDebug('_pause(): registerOnComplete() failed');
}
}
}
public function _setPan(sID:String, nPan:Number) : void {
if (soundObjects[sID]) {
soundObjects[sID].setPan(nPan);
}
}
public function _setVolume(sID:String, nVol:Number) : void {
// writeDebug('_setVolume: '+nVol);
if (soundObjects[sID]) {
soundObjects[sID].setVolume(nVol);
}
}
public function _setPolling(bPolling: Boolean = false, nTimerInterval: uint = 50) : void {
pollingEnabled = bPolling;
if (timer == null && pollingEnabled) {
writeDebug('Enabling polling, ' + nTimerInterval + ' ms interval');
timer = new Timer(nTimerInterval, 0);
timer.addEventListener(TimerEvent.TIMER, function() : void {
checkProgress();
}); // direct reference eg. checkProgress doesn't work? .. odd.
timer.start();
} else if (timer && !pollingEnabled) {
writeDebug('Disabling polling');
// flash.utils.clearInterval(timer);
timer.reset();
}
}
public function _getMemoryUse() : String {
return System.totalMemory.toString();
}
// -----------------------------------
// end methods
}
// package
}
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