Web/user/javascript/soundmanager2.js

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/** @license
 * SoundManager 2: Javascript Sound for the Web
 * --------------------------------------------
 * http://schillmania.com/projects/soundmanager2/
 *
 * Copyright (c) 2007, Scott Schiller. All rights reserved.
 * Code provided under the BSD License:
 * http://schillmania.com/projects/soundmanager2/license.txt
 *
 * V2.97a.20101010
 */

/*jslint white: false, onevar: true, undef: true, nomen: false, eqeqeq: true, plusplus: false, bitwise: true, regexp: true, newcap: true, immed: true, regexp: false */
/*global window, SM2_DEFER, sm2Debugger, alert, console, document, navigator, setTimeout, setInterval, clearInterval, Audio */

(function(window) {

var soundManager = null;

function SoundManager(smURL, smID) {

  this.flashVersion = 8;             // version of flash to require, either 8 or 9. Some API features require Flash 9.
  this.debugMode = true;             // enable debugging output (div#soundmanager-debug, OR console if available+configured)
  this.debugFlash = false;           // enable debugging output inside SWF, troubleshoot Flash/browser issues
  this.useConsole = true;            // use firebug/safari console.log()-type debug console if available
  this.consoleOnly = false;          // if console is being used, do not create/write to #soundmanager-debug
  this.waitForWindowLoad = false;    // force SM2 to wait for window.onload() before trying to call soundManager.onload()
  this.nullURL = 'about:blank';      // path to "null" (empty) MP3 file, used to unload sounds (Flash 8 only)
  this.allowPolling = true;          // allow flash to poll for status update (required for whileplaying() events, peak, sound spectrum functions to work.)
  this.useFastPolling = false;       // uses lower flash timer interval for higher callback frequency, best combined with useHighPerformance
  this.useMovieStar = true;          // enable support for Flash 9.0r115+ (codename "MovieStar") MPEG4 audio formats (AAC, M4V, FLV, MOV etc.)
  this.bgColor = '#ffffff';          // movie (.swf) background color, eg. '#000000'
  this.useHighPerformance = false;   // position:fixed flash movie can help increase js/flash speed, minimize lag
  this.flashLoadTimeout = 1000;      // msec to wait for flash movie to load before failing (0 = infinity)
  this.wmode = null;                 // string: flash rendering mode - null, transparent, opaque (last two allow layering of HTML on top)
  this.allowScriptAccess = 'always'; // for scripting the SWF (object/embed property), either 'always' or 'sameDomain'
  this.useFlashBlock = false;        // *requires flashblock.css, see demos* - allow recovery from flash blockers. Wait indefinitely and apply timeout CSS to SWF, if applicable.
  this.useHTML5Audio = false;        // Beta feature: Use HTML 5 Audio() where API is supported (most Safari, Chrome versions), Firefox (no MP3/MP4.) Ideally, transparent vs. Flash API where possible.
  this.html5Test = /^probably$/i;    // HTML5 Audio().canPlayType() test. /^(probably|maybe)$/i if you want to be more liberal/risky.
  this.ondebuglog = false;           // callback made with each log message, regardless of debugMode

  this.audioFormats = {
    // determines HTML5 support, flash requirements
    // eg. if MP3 or MP4 required, Flash fallback is used if HTML5 can't play it
    // shotgun approach to MIME testing due to browser variance
    'mp3': {
      'type': ['audio/mpeg; codecs="mp3"','audio/mpeg','audio/mp3','audio/MPA','audio/mpa-robust'],
      'required': true
    },
    'mp4': {
      'related': ['aac','m4a'], // additional formats under the MP4 container
      'type': ['audio/mp4; codecs="mp4a.40.2"','audio/aac','audio/x-m4a','audio/MP4A-LATM','audio/mpeg4-generic'],
      'required': true
    },
    'ogg': {
      'type': ['audio/ogg; codecs=vorbis'],
      'required': false
    },
    'wav': {
      'type': ['audio/wav; codecs="1"','audio/wav','audio/wave','audio/x-wav'],