lkarch.org/tools/btd4/lib/howler.min.js

!function(){"use strict";var e=function(){this.init()};e.prototype={init:function(){var e=this||n;return e._counter=1e3,e._codecs={},e._howls=[],e._muted=!1,e._volume=1,e._canPlayEvent="canplaythrough",e._navigator="undefined"!=typeof window&&window.navigator?window.navigator:null,e.masterGain=null,e.noAudio=!1,e.usingWebAudio=!1,e.autoSuspend=!0,e.ctx=null,e.mobileAutoEnable=!0,e._setup(),e},volume:function(e){var t=this||n;if(e=parseFloat(e),t.ctx||_(),void 0!==e&&e>=0&&e<=1){if(t._volume=e,t._muted)return t;t.usingWebAudio&&t.masterGain.gain.setValueAtTime(e,n.ctx.currentTime);for(var o=0;o<t._howls.length;o++)if(!t._howls[o]._webAudio)for(var r=t._howls[o]._getSoundIds(),a=0;a<r.length;a++){var u=t._howls[o]._soundById(r[a]);u&&u._node&&(u._node.volume=u._volume*e)}return t}return t._volume},mute:function(e){var t=this||n;t.ctx||_(),t._muted=e,t.usingWebAudio&&t.masterGain.gain.setValueAtTime(e?0:t._volume,n.ctx.currentTime);for(var o=0;o<t._howls.length;o++)if(!t._howls[o]._webAudio)for(var r=t._howls[o]._getSoundIds(),a=0;a<r.length;a++){var u=t._howls[o]._soundById(r[a]);u&&u._node&&(u._node.muted=!!e||u._muted)}return t},unload:function(){for(var e=this||n,t=e._howls.length-1;t>=0;t--)e._howls[t].unload();return e.usingWebAudio&&e.ctx&&void 0!==e.ctx.close&&(e.ctx.close(),e.ctx=null,_()),e},codecs:function(e){return(this||n)._codecs[e.replace(/^x-/,"")]},_setup:function(){var e=this||n;if(e.state=e.usingWebAudio&&e.ctx&&e.ctx.state||"running",e._autoSuspend(),!e.usingWebAudio)if("undefined"!=typeof Audio)try{void 0===(new Audio).oncanplaythrough&&(e._canPlayEvent="canplay")}catch(n){e.noAudio=!0}else e.noAudio=!0;try{(new Audio).muted&&(e.noAudio=!0)}catch(e){}return e.noAudio||e._setupCodecs(),e},_setupCodecs:function(){var e=this||n,t=null;try{t="undefined"!=typeof Audio?new Audio:null}catch(n){return e}if(!t||"function"!=typeof t.canPlayType)return e;var o=t.canPlayType("audio/mpeg;").replace(/^no$/,""),r=e._navigator&&e._navigator.userAgent.match(/OPR\/([0-6].)/g),a=r&&parseInt(r[0].split("/")[1],10)<33;return e._codecs={mp3:!(a||!o&&!t.canPlayType("audio/mp3;").replace(/^no$/,"")),mpeg:!!o,opus:!!t.canPlayType('audio/ogg; codecs="opus"').replace(/^no$/,""),ogg:!!t.canPlayType('audio/ogg; codecs="vorbis"').replace(/^no$/,""),oga:!!t.canPlayType('audio/ogg; codecs="vorbis"').replace(/^no$/,""),wav:!!t.canPlayType('audio/wav; codecs="1"').replace(/^no$/,""),aac:!!t.canPlayType("audio/aac;").replace(/^no$/,""),caf:!!t.canPlayType("audio/x-caf;").replace(/^no$/,""),m4a:!!(t.canPlayType("audio/x-m4a;")||t.canPlayType("audio/m4a;")||t.canPlayType("audio/aac;")).replace(/^no$/,""),mp4:!!(t.canPlayType("audio/x-mp4;")||t.canPlayType("audio/mp4;")||t.canPlayType("audio/aac;")).replace(/^no$/,""),weba:!!t.canPlayType('audio/webm; codecs="vorbis"').replace(/^no$/,""),webm:!!t.canPlayType('audio/webm; codecs="vorbis"').replace(/^no$/,""),dolby:!!t.canPlayType('audio/mp4; codecs="ec-3"').replace(/^no$/,""),flac:!!(t.canPlayType("audio/x-flac;")||t.canPlayType("audio/flac;")).replace(/^no$/,"")},e},_enableMobileAudio:function(){var e=this||n,t=/iPhone|iPad|iPod|Android|BlackBerry|BB10|Silk|Mobi/i.test(e._navigator&&e._navigator.userAgent),o=!!("ontouchend"in window||e._navigator&&e._navigator.maxTouchPoints>0||e._navigator&&e._navigator.msMaxTouchPoints>0);if(!e._mobileEnabled&&e.usingWebAudio&&(t||o)){e._mobileEnabled=!1,e._mobileUnloaded||44100===e.ctx.sampleRate||(e._mobileUnloaded=!0,e.unload()),e._scratchBuffer=e.ctx.createBuffer(1,1,22050);var r=function(){n._autoResume();var t=e.ctx.createBufferSource();t.buffer=e._scratchBuffer,t.connect(e.ctx.destination),void 0===t.start?t.noteOn(0):t.start(0),"function"==typeof e.ctx.resume&&e.ctx.resume(),t.onended=function(){t.disconnect(0),e._mobileEnabled=!0,e.mobileAutoEnable=!1,document.removeEventListener("touchstart",r,!0),document.removeEventListener("touchend",r,!0)}};return document.addEventListener("touchstart",r,!0),document.addEventListener("touchend",r,!0),e}},_autoSuspend:function(){var e=this;if(e.autoSuspend&&e.usingWebAudio&&void 0!==e.ctx.suspend&&n.usingWebAudio){for(var t=0;t<e._howls.length;t++)if(e._howls[t]._webAudio)for(var o=0;o<e._howls[t]._sounds.length;o++)if(!e._howls[t]._sounds[o]._paused)return e;return e._suspendTimer&&clearTimeout(e._suspendTimer),e._suspendTimer=setTimeout(function(){e.autoSuspend&&(e._suspendTimer=null,e.state="suspending",e.ctx.suspend().then(function(){e.state="suspended",e._resumeAfterSuspend&&(delete e._resumeAfterSuspend,e._autoResume())}))},3e4),e}},_autoResume:function(){var e=this;if(e.usingWebAudio&&void 0!==e.ctx.resume&&n.usingWebAudio)return"running"===e.state&&e._suspendTimer?(clearTimeout(e._suspendTimer),e._suspendTimer=null):"suspended"===e.state?(e.ctx.resume().then(function(){e.state="running";for(var n=0;n<e._howls.length;n++)e._howls[n]._emit("resume")}),e._suspendTimer&&(clearTimeout(e._suspendTimer),e._suspendTimer=null)):"suspending"===e.state&&(e._resumeAfterSuspend=!0),e}};var n=new e,t=function(e){e.src&&0!==e.src.length?this.init(e):console.error("An array of source files must be passed with any new Howl.")};t.prototype={init:function(e){var t=this;return n.ctx||_(),t._autoplay=e.autoplay||!1,t._format="string"!=typeof e.format?e.format:[e.format],t._html5=e.html5||!1,t._muted=e.mute||!1,t._loop=e.loop||!1,t._pool=e.pool||5,t._preload="boolean"!=typeof e.preload||e.preload,t._rate=e.rate||1,t._sprite=e.sprite||{},t._src="string"!=typeof e.src?e.src:[e.src],t._volume=void 0!==e.volume?e.volume:1,t._xhrWithCredentials=e.xhrWithCredentials||!1,t._duration=0,t._state="unloaded",t._sounds=[],t._endTimers={},t._queue=[],t._playLock=!1,t._onend=e.onend?[{fn:e.onend}]:[],t._onfade=e.onfade?[{fn:e.onfade}]:[],t._onload=e.onload?[{fn:e.onload}]:[],t._onloaderror=e.onloaderror?[{fn:e.onloaderror}]:[],t._onplayerror=e.onplayerror?[{fn:e.onplayerror}]:[],t._onpause=e.onpause?[{fn:e.onpause}]:[],t._onplay=e.onplay?[{fn:e.onplay}]:[],t._onstop=e.onstop?[{fn:e.onstop}]:[],t._onmute=e.onmute?[{fn:e.onmute}]:[],t._onvolume=e.onvolume?[{fn:e.onvolume}]:[],t._onrate=e.onrate?[{fn:e.onrate}]:[],t._onseek=e.onseek?[{fn:e.onseek}]:[],t._onresume=[],t._webAudio=n.usingWebAudio&&!t._html5,n.usingWebAudio&&n.ctx&&n.mobileAutoEnable&&n._enableMobileAudio(),n._howls.push(t),t._autoplay&&t._queue.push({event:"play",action:function(){t.play()}}),t._preload&&t.load(),t},load:function(){var e=this,t=null;if(n.noAudio)e._emit("loaderror",null,"No audio support.");else{"string"==typeof e._src&&(e._src=[e._src]);for(var r=0;r<e._src.length;r++){var u,i;if(e._format&&e._format[r])u=e._format[r];else{if("string"!=typeof(i=e._src[r])){e._emit("loaderror",null,"Non-string found in selected audio sources - ignoring.");continue}(u=/^data:audio\/([^;,]+);/i.exec(i))||(u=/\.([^.]+)$/.exec(i.split("?",1)[0])),u&&(u=u[1].toLowerCase())}if(u||console.warn('No file extension was found. Consider using the "format" property or specify an extension.'),u&&n.codecs(u)){t=e._src[r];break}}if(t)return e._src=t,e._state="loading","https:"===window.location.protocol&&"http:"===t.slice(0,5)&&(e._html5=!0,e._webAudio=!1),new o(e),e._webAudio&&a(e),e;e._emit("loaderror",null,"No codec support for selected audio sources.")}},play:function(e,t){var o=this,r=null;if("number"==typeof e)r=e,e=null;else{if("string"==typeof e&&"loaded"===o._state&&!o._sprite[e])return null;void 0===e&&(e="__default")}var a=r?o._soundById(r):o._inactiveSound();if(!a)return null;if(r&&!e&&(e=a._sprite||"__default"),"loaded"!==o._state){a._sprite=e,a._ended=!1;var u=a._id;return o._queue.push({event:"play",action:function(){o.play(u)}}),u}if(r&&!a._paused)return t||setTimeout(function(){o._emit("play",a._id)},0),a._id;o._webAudio&&n._autoResume();var i=o._sprite[e],d=Math.max(0,a._seek>0?a._seek:i[0]/1e3),_=Math.max(0,(i[0]+i[1])/1e3-d),s=1e3*_/Math.abs(a._rate);a._paused=!1,a._ended=!1,a._sprite=e,a._seek=d,a._start=i[0]/1e3,a._stop=(i[0]+i[1])/1e3,a._loop=!(!a._loop&&!i[2]);var l=a._node;if(o._webAudio){var c=function(){o._refreshBuffer(a);var e=a._muted||o._muted?0:a._volume;l.gain.setValueAtTime(e,n.ctx.currentTime),a._playStart=n.ctx.currentTime,void 0===l.bufferSource.start?a._loop?l.bufferSource.noteGrainOn(0,d,86400):l.bufferSource.noteGrainOn(0,d,_):a._loop?l.bufferSource.start(0,d,86400):l.bufferSource.start(0,d,_),s!==1/0&&(o._endTimers[a._id]=setTimeout(o._ended.bind(o,a),s)),t||setTimeout(function(){o._emit("play",a._id)},0)};"running"===n.state?c():(o.once("resume",c),o._clearTimer(a._id))}else{var f=function(e){l.currentTime=d,l.muted=a._muted||o._muted||n._muted||l.muted,l.volume=a._volume*n.volume(),l.playbackRate=a._rate,e&&e!==1/0&&(o._endTimers[a._id]=setTimeout(o._ended.bind(o,a),e));try{var r=l.play();if("undefined"!=typeof Promise&&r instanceof Promise&&(o._playLock=!0,r.then(function(){o._playLock=!1,o._loadQueue()})),l.paused)return void o._emit("playerror",a._id,"Playback was unable to start. This is most commonly an issue on mobile devices where playback was not within a user interaction.");t||o._emit("play",a._id)}catch(e){o._emit("playerror",a._id,e)}},p=window&&window.ejecta||!l.readyState&&n._navigator.isCocoonJS;if(4===l.readyState||p)f(s);else{var m=function(){f(s),l.removeEventListener(n._canPlayEvent,m,!1)};l.addEventListener(n._canPlayEvent,m,!1),o._clearTimer(a._id)}}return a._id},pause:function(e){var n=this;if("loaded"!==n._state||n._playLock)return n._queue.push({event:"pause",action:function(){n.pause(e)}}),n;for(var t=n._getSoundIds(e),o=0;o<t.length;o++){n._clearTimer(t[o]);var r=n._soundById(t[o]);if(r&&!r._paused&&(r._seek=n.seek(t[o]),r._rateSeek=0,r._paused=!0,n._stopFade(t[o]),r._node))if(n._webAudio){if(!r._node.bufferSource)continue;void 0===r._node.bufferSource.stop?r._node.bufferSource.noteOff(0):r._node.bufferSource.stop(0),n._cleanBuffer(r._node)}else isNaN(r._node.duration)&&r._node.duration!==1/0||r._node.pause();arguments[1]||n._emit("pause",r?r._id:null)}return n},stop:function(e,n){var t=this;if("loaded"!==t._state)return t._queue.push({event:"stop",action:function(){t.stop(e)}}),t;for(var o=t._getSoundIds(e),r=0;r<o.length;r++){t._clearTimer(o[r]);var a=t._soundById(o[r]);a&&(a._seek=a._start||0,a._rateSeek=0,a._paused=!0,a._ended=!0,t._stopFade(o[r]),a._node&&(t._webAudio?a._node.bufferSource&&(void 0===a._node.bufferSource.stop?a._node.bufferSource.noteOff(0):a._node.bufferSource.stop(0),t._cleanBuffer(a._node)):isNaN(a._node.duration)&&a._node.duration!==1/0||(a._node.currentTime=a._start||0,a._node.pause())),n||t._emit("stop",a._id))}return t},mute:function(e,t){var o=this;if("loaded"!==o._state)return o._queue.push({event:"mute",action:function(){o.mute(e,t)}}),o;if(void 0===t){if("boolean"!=typeof e)return o._muted;o._muted=e}for(var r=o._getSoundIds(t),a=0;a<r.length;a++){var u=o._soundById(r[a]);u&&(u._muted=e,u._interval&&o._stopFade(u._id),o._webAudio&&u._node?u._node.gain.setValueAtTime(e?0:u._volume,n.ctx.currentTime):u._node&&(u._node.muted=!!n._muted||e),o._emit("mute",u._id))}return o},volume:function(){var e,t,o,r=this,a=arguments;if(0===a.length)return r._volume;if(1===a.length||2===a.length&&void 0===a[1]?r._getSoundIds().indexOf(a[0])>=0?t=parseInt(a[0],10):e=parseFloat(a[0]):a.length>=2&&(e=parseFloat(a[0]),t=parseInt(a[1],10)),!(void 0!==e&&e>=0&&e<=1))return(o=t?r._soundById(t):r._sounds[0])?o._volume:0;if("loaded"!==r._state)return r._queue.push({event:"volume",action:function(){r.volume.apply(r,a)}}),r;void 0===t&&(r._volume=e),t=r._getSoundIds(t);for(var u=0;u<t.length;u++)(o=r._soundById(t[u]))&&(o._volume=e,a[2]||r._stopFade(t[u]),r._webAudio&&o._node&&!o._muted?o._node.gain.setValueAtTime(e,n.ctx.currentTime):o._node&&!o._muted&&(o._node.volume=e*n.volume()),r._emit("volume",o._id));return r},fade:function(e,t,o,r){var a=this;if("loaded"!==a._state)return a._queue.push({event:"fade",action:function(){a.fade(e,t,o,r)}}),a;a.volume(e,r);for(var u=a._getSoundIds(r),i=0;i<u.length;i++){var d=a._soundById(u[i]);if(d){if(r||a._stopFade(u[i]),a._webAudio&&!d._muted){var _=n.ctx.currentTime,s=_+o/1e3;d._volume=e,d._node.gain.setValueAtTime(e,_),d._node.gain.linearRampToValueAtTime(t,s)}a._startFadeInterval(d,e,t,o,u[i],void 0===r)}}return a},_startFadeInterval:function(e,n,t,o,r,a){var u=this,i=n,d=t-n,_=Math.abs(d/.01),s=Math.max(4,_>0?o/_:o),l=Date.now();e._fadeTo=t,e._interval=setInterval(function(){var r=(Date.now()-l)/o;l=Date.now(),i+=d*r,i=Math.max(0,i),i=Math.min(1,i),i=Math.round(100*i)/100,u._webAudio?e._volume=i:u.volume(i,e._id,!0),a&&(u._volume=i),(t<n&&i<=t||t>n&&i>=t)&&(clearInterval(e._interval),e._interval=null,e._fadeTo=null,u.volume(t,e._id),u._emit("fade",e._id))},s)},_stopFade:function(e){var t=this,o=t._soundById(e);return o&&o._interval&&(t._webAudio&&o._node.gain.cancelScheduledValues(n.ctx.currentTime),clearInterval(o._interval),o._interval=null,t.volume(o._fadeTo,e),o._fadeTo=null,t._emit("fade",e)),t},loop:function(){var e,n,t,o=this,r=arguments;if(0===r.length)return o._loop;if(1===r.length){if("boolean"!=typeof r[0])return!!(t=o._soundById(parseInt(r[0],10)))&&t._loop;e=r[0],o._loop=e}else 2===r.length&&(e=r[0],n=parseInt(r[1],10));for(var a=o._getSoundIds(n),u=0;u<a.length;u++)(t=o._soundById(a[u]))&&(t._loop=e,o._webAudio&&t._node&&t._node.bufferSource&&(t._node.bufferSource.loop=e,e&&(t._node.bufferSource.loopStart=t._start||0,t._node.bufferSource.loopEnd=t._stop)));return o},rate:function(){var e,t,o,r=this,a=arguments;if(0===a.length)t=r._sounds[0]._id;else if(1===a.length){r._getSoundIds().indexOf(a[0])>=0?t=parseInt(a[0],10):e=parseFloat(a[0])}else 2===a.length&&(e=parseFloat(a[0]),t=parseInt(a[1],10));if("number"!=typeof e)return(o=r._soundById(t))?o._rate:r._rate;if("loaded"!==r._state)return r._queue.push({event:"rate",action:function(){r.rate.apply(r,a)}}),r;void 0===t&&(r._rate=e),t=r._getSoundIds(t);for(var u=0;u<t.length;u++)if(o=r._soundById(t[u])){o._rateSeek=r.seek(t[u]),o._playStart=r._webAudio?n.ctx.currentTime:o._playStart,o._rate=e,r._webAudio&&o._node&&o._node.bufferSource?o._node.bufferSource.playbackRate.setValueAtTime(e,n.ctx.currentTime):o._node&&(o._node.playbackRate=e);var i=r.seek(t[u]),d=1e3*((r._sprite[o._sprite][0]+r._sprite[o._sprite][1])/1e3-i)/Math.abs(o._rate);!r._endTimers[t[u]]&&o._paused||(r._clearTimer(t[u]),r._endTimers[t[u]]=setTimeout(r._ended.bind(r,o),d)),r._emit("rate",o._id)}return r},seek:function(){var e,t,o=this,r=arguments;if(0===r.length)t=o._sounds[0]._id;else if(1===r.length){o._getSoundIds().indexOf(r[0])>=0?t=parseInt(r[0],10):o._sounds.length&&(t=o._sounds[0]._id,e=parseFloat(r[0]))}else 2===r.length&&(e=parseFloat(r[0]),t=parseInt(r[1],10));if(void 0===t)return o;if("loaded"!==o._state)return o._queue.push({event:"seek",action:function(){o.seek.apply(o,r)}}),o;var a=o._soundById(t);if(a){if(!("number"==typeof e&&e>=0)){if(o._webAudio){var u=o.playing(t)?n.ctx.currentTime-a._playStart:0,i=a._rateSeek?a._rateSeek-a._seek:0;return a._seek+(i+u*Math.abs(a._rate))}return a._node.currentTime}var d=o.playing(t);d&&o.pause(t,!0),a._seek=e,a._ended=!1,o._clearTimer(t),d&&o.play(t,!0),!o._webAudio&&a._node&&(a._node.currentTime=e),o._emit("seek",t)}return o},playing:function(e){if("number"==typeof e){var n=this._soundById(e);return!!n&&!n._paused}for(var t=0;t<this._sounds.length;t++)if(!this._sounds[t]._paused)return!0;return!1},duration:function(e){var n=this._duration,t=this._soundById(e);return t&&(n=this._sprite[t._sprite][1]/1e3),n},state:function(){return this._state},unload:function(){for(var e=this,t=e._sounds,o=0;o<t.length;o++){if(t[o]._paused||e.stop(t[o]._id),!e._webAudio)/MSIE |Trident\//.test(n._navigator&&n._navigator.userAgent)||(t[o]._node.src="data:audio/wav;base64,UklGRigAAABXQVZFZm10IBIAAAABAAEARKwAAIhYAQACABAAAABkYXRhAgAAAAEA"),t[o]._node.removeEventListener("error",t[o]._errorFn,!1),t[o]._node.removeEventListener(n._canPlayEvent,t[o]._loadFn,!1);delete t[o]._node,e._clearTimer(t[o]._id);var a=n._howls.indexOf(e);a>=0&&n._howls.splice(a,1)}var u=!0;for(o=0;o<n._howls.length;o++)if(n._howls[o]._src===e._src){u=!1;break}return r&&u&&delete r[e._src],n.noAudio=!1,e._state="unloaded",e._sounds=[],e=null,null},on:function(e,n,t,o){var r=this["_on"+e];return"function"==typeof n&&r.push(o?{id:t,fn:n,once:o}:{id:t,fn:n}),this},off:function(e,n,t){var o=this,r=o["_on"+e],a=0;if("number"==typeof n&&(t=n,n=null),n||t)for(a=0;a<r.length;a++){var u=t===r[a].id;if(n===r[a].fn&&u||!n&&u){r.splice(a,1);break}}else if(e)o["_on"+e]=[];else{var i=Object.keys(o);for(a=0;a<i.length;a++)0===i[a].indexOf("_on")&&Array.isArray(o[i[a]])&&(o[i[a]]=[])}return o},once:function(e,n,t){return this.on(e,n,t,1),this},_emit:function(e,n,t){for(var o=this["_on"+e],r=o.length-1;r>=0;r--){var a=o[r];a.id&&a.id!==n&&"load"!==e||(setTimeout(function(e){e.call(this,n,t)}.bind(this,a.fn),0),a.once&&this.off(e,a.fn,a.id))}return this},_loadQueue:function(){var e=this;if(e._queue.length>0){var n=e._queue[0];e.once(n.event,function(){e._queue.shift(),e._loadQueue()}),n.action()}return e},_ended:function(e){var t=this,o=e._sprite;if(!t._webAudio&&e._node&&!e._node.paused&&!e._node.ended&&e._node.currentTime<e._stop)return setTimeout(t._ended.bind(t,e),100),t;var r=!(!e._loop&&!t._sprite[o][2]);if(t._emit("end",e._id),!t._webAudio&&r&&t.stop(e._id,!0).play(e._id),t._webAudio&&r){t._emit("play",e._id),e._seek=e._start||0,e._rateSeek=0,e._playStart=n.ctx.currentTime;var a=1e3*(e._stop-e._start)/Math.abs(e._rate);t._endTimers[e._id]=setTimeout(t._ended.bind(t,e),a)}return t._webAudio&&!r&&(e._paused=!0,e._ended=!0,e._seek=e._start||0,e._rateSeek=0,t._clearTimer(e._id),t._emit("stop",e._id),t._cleanBuffer(e._node),n._autoSuspend()),t._webAudio||r||t.stop(e._id),t},_clearTimer:function(e){return this._endTimers[e]&&(clearTimeout(this._endTimers[e]),delete this._endTimers[e]),this},_soundById:function(e){for(var n=0;n<this._sounds.length;n++){var t=this._sounds[n];if(e===t._id)return t}return null},_inactiveSound:function(){var e=this;e._drain();for(var n=0;n<e._sounds.length;n++)if(e._sounds[n]._ended)return e._sounds[n].reset();return new o(e)},_drain:function(){var e=this,n=e._pool,t=0,o=0;if(!(e._sounds.length<n)){for(o=0;o<e._sounds.length;o++)e._sounds[o]._ended&&t++;for(o=e._sounds.length-1;o>=0;o--){if(t<=n)return;e._sounds[o]._ended&&(e._webAudio&&e._sounds[o]._node&&e._sounds[o]._node.disconnect(0),e._sounds.splice(o,1),t--)}}},_getSoundIds:function(e){if(void 0===e){for(var n=[],t=0;t<this._sounds.length;t++)n.push(this._sounds[t]._id);return n}return[e]},_refreshBuffer:function(e){return e._node.bufferSource=n.ctx.createBufferSource(),e._node.bufferSource.buffer=r[this._src],e._panner?e._node.bufferSource.connect(e._panner):e._node.bufferSource.connect(e._node),e._node.bufferSource.loop=e._loop,e._loop&&(e._node.bufferSource.loopStart=e._start||0,e._node.bufferSource.loopEnd=e._stop),e._node.bufferSource.playbackRate.setValueAtTime(e._rate,n.ctx.currentTime),this},_cleanBuffer:function(e){if(n._scratchBuffer){e.bufferSource.onended=null,e.bufferSource.disconnect(0);try{e.bufferSource.buffer=n._scratchBuffer}catch(e){}}return e.bufferSource=null,this}};var o=function(e){this._parent=e,this.init()};o.prototype={init:function(){var e=this,t=e._parent;return e._muted=t._muted,e._loop=t._loop,e._volume=t._volume,e._rate=t._rate,e._seek=0,e._paused=!0,e._ended=!0,e._sprite="__default",e._id=++n._counter,t._sounds.push(e),e.create(),e},create:function(){var e=this,t=e._parent,o=n._muted||e._muted||e._parent._muted?0:e._volume;return t._webAudio?(e._node=void 0===n.ctx.createGain?n.ctx.createGainNode():n.ctx.createGain(),e._node.gain.setValueAtTime(o,n.ctx.currentTime),e._node.paused=!0,e._node.connect(n.masterGain)):(e._node=new Audio,e._errorFn=e._errorListener.bind(e),e._node.addEventListener("error",e._errorFn,!1),e._loadFn=e._loadListener.bind(e),e._node.addEventListener(n._canPlayEvent,e._loadFn,!1),e._node.src=t._src,e._node.preload="auto",e._node.volume=o*n.volume(),e._node.load()),e},reset:function(){var e=this,t=e._parent;return e._muted=t._muted,e._loop=t._loop,e._volume=t._volume,e._rate=t._rate,e._seek=0,e._rateSeek=0,e._paused=!0,e._ended=!0,e._sprite="__default",e._id=++n._counter,e},_errorListener:function(){var e=this;e._parent._emit("loaderror",e._id,e._node.error?e._node.error.code:0),e._node.removeEventListener("error",e._errorFn,!1)},_loadListener:function(){var e=this._parent;e._duration=Math.ceil(10*this._node.duration)/10,0===Object.keys(e._sprite).length&&(e._sprite={__default:[0,1e3*e._duration]}),"loaded"!==e._state&&(e._state="loaded",e._emit("load"),e._loadQueue()),this._node.removeEventListener(n._canPlayEvent,this._loadFn,!1)}};var r={},a=function(e){var n=e._src;if(r[n])return e._duration=r[n].duration,void d(e);if(/^data:[^;]+;base64,/.test(n)){for(var t=atob(n.split(",")[1]),o=new Uint8Array(t.length),a=0;a<t.length;++a)o[a]=t.charCodeAt(a);i(o.buffer,e)}else{var _=new XMLHttpRequest;_.open("GET",n,!0),_.withCredentials=e._xhrWithCredentials,_.responseType="arraybuffer",_.onload=function(){var n=(_.status+"")[0];"0"===n||"2"===n||"3"===n?i(_.response,e):e._emit("loaderror",null,"Failed loading audio file with status: "+_.status+".")},_.onerror=function(){e._webAudio&&(e._html5=!0,e._webAudio=!1,e._sounds=[],delete r[n],e.load())},u(_)}},u=function(e){try{e.send()}catch(n){e.onerror()}},i=function(e,t){n.ctx.decodeAudioData(e,function(e){e&&t._sounds.length>0&&(r[t._src]=e,d(t,e))},function(){t._emit("loaderror",null,"Decoding audio data failed.")})},d=function(e,n){n&&!e._duration&&(e._duration=n.duration),0===Object.keys(e._sprite).length&&(e._sprite={__default:[0,1e3*e._duration]}),"loaded"!==e._state&&(e._state="loaded",e._emit("load"),e._loadQueue())},_=function(){try{"undefined"!=typeof AudioContext?(n.ctx=new AudioContext,n.usingWebAudio=!0):"undefined"!=typeof webkitAudioContext?(n.ctx=new webkitAudioContext,n.usingWebAudio=!0):(n.ctx="DISABLED",n.usingWebAudio=!1)}catch(e){n.usingWebAudio=!1}var e=/iP(hone|od|ad)/.test(n._navigator&&n._navigator.platform),t=n._navigator&&n._navigator.appVersion.match(/OS (\d+)_(\d+)_?(\d+)?/),o=t?parseInt(t[1],10):null;if(e&&o&&o<9){var r=/safari/.test(n._navigator&&n._navigator.userAgent.toLowerCase());(n._navigator&&n._navigator.standalone&&!r||n._navigator&&!n._navigator.standalone&&!r)&&(n.usingWebAudio=!1)}n.usingWebAudio&&(n.dynamicsCompressorNode=n.ctx.createDynamicsCompressor(),n.dynamicsCompressorNode.connect(n.ctx.destination),n.masterGain=void 0===n.ctx.createGain?n.ctx.createGainNode():n.ctx.createGain(),n.masterGain.gain.setValueAtTime(n._muted?0:1,n.ctx.currentTime),n.masterGain.connect(n.dynamicsCompressorNode)),n._setup()};"function"==typeof define&&define.amd&&define([],function(){return{Howler:n,Howl:t}}),"undefined"!=typeof exports&&(exports.Howler=n,exports.Howl=t),"undefined"!=typeof window?(window.HowlerGlobal=e,window.Howler=n,window.Howl=t,window.Sound=o):"undefined"!=typeof global&&(global.HowlerGlobal=e,global.Howler=n,global.Howl=t,global.Sound=o)}();