var Browser = require('./Browser'); 
var Audio = { 
audioData: false ,
dolby: false ,
m4a: false ,
mp3: false ,
ogg: false ,
opus: false ,
wav: false ,
webAudio: false ,
webm: false }
; 
function init(){ 
Audio.audioData = !!(window.Audio); 
Audio.webAudio = !!(window.AudioContext || window.webkitAudioContext); 
var audioElement = _AN_Call_createelement('createElement', document, 'audio'); 
var result = !!audioElement.canPlayType; 
try { 
if (result) { 
if (_AN_Call_replace('replace', audioElement.canPlayType('audio/ogg; codecs="vorbis"'), /^no$/, '')) { 
Audio.ogg = true ; 
} 
if (_AN_Call_replace('replace', audioElement.canPlayType('audio/ogg; codecs="opus"'), /^no$/, '') || _AN_Call_replace('replace', audioElement.canPlayType('audio/opus;'), /^no$/, '')) { 
Audio.opus = true ; 
} 
if (_AN_Call_replace('replace', audioElement.canPlayType('audio/mpeg;'), /^no$/, '')) { 
Audio.mp3 = true ; 
} 
if (_AN_Call_replace('replace', audioElement.canPlayType('audio/wav; codecs="1"'), /^no$/, '')) { 
Audio.wav = true ; 
} 
if (audioElement.canPlayType('audio/x-m4a;') || _AN_Call_replace('replace', audioElement.canPlayType('audio/aac;'), /^no$/, '')) { 
Audio.m4a = true ; 
} 
if (_AN_Call_replace('replace', audioElement.canPlayType('audio/webm; codecs="vorbis"'), /^no$/, '')) { 
Audio.webm = true ; 
} 
if (audioElement.canPlayType('audio/mp4;codecs="ec-3"') !== '') { 
if (Browser.edge) { 
Audio.dolby = true ; 
} 
 else if (Browser.safari && Browser.safariVersion >= 9) { 
if ((/Mac OS X (\d+)_(\d+)/).test(navigator.userAgent)) { 
var major = parseInt(RegExp.$1, 10); 
var minor = parseInt(RegExp.$2, 10); 
if ((major === 10 && minor >= 11) || major > 10) { 
Audio.dolby = true ; 
} 
} 
} 
} 
} 
} 
catch (e) { 
} 
return Audio; 
} 
module.exports = init();