vue-audio-better/dist/v-audio.js

Easy to create custom audio player components for Vue.js.

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 *  howlerjs.com
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 *  (c) 2013-2019, James Simpson of GoldFire Studios
 *  goldfirestudios.com
 *
 *  MIT License
 */
!function(){"use strict";var i=function(){this.init()};i.prototype={init:function(){var e=this||a;return e._counter=1e3,e._html5AudioPool=[],e.html5PoolSize=10,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=!0,e.autoSuspend=!0,e.ctx=null,e.autoUnlock=!0,e._setup(),e},volume:function(e){var t=this||a;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,a.ctx.currentTime);for(var n=0;n<t._howls.length;n++)if(!t._howls[n]._webAudio)for(var o=t._howls[n]._getSoundIds(),r=0;r<o.length;r++){var i=t._howls[n]._soundById(o[r]);i&&i._node&&(i._node.volume=i._volume*e)}return t}return t._volume},mute:function(e){var t=this||a;t.ctx||_(),t._muted=e,t.usingWebAudio&&t.masterGain.gain.setValueAtTime(e?0:t._volume,a.ctx.currentTime);for(var n=0;n<t._howls.length;n++)if(!t._howls[n]._webAudio)for(var o=t._howls[n]._getSoundIds(),r=0;r<o.length;r++){var i=t._howls[n]._soundById(o[r]);i&&i._node&&(i._node.muted=!!e||i._muted)}return t},unload:function(){for(var e=this||a,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||a)._codecs[e.replace(/^x-/,"")]},_setup:function(){var e=this||a;if(e.state=e.ctx?e.ctx.state||"suspended":"suspended",e._autoSuspend(),!e.usingWebAudio)if("undefined"!=typeof Audio)try{var t=new Audio;void 0===t.oncanplaythrough&&(e._canPlayEvent="canplay")}catch(t){e.noAudio=!0}else e.noAudio=!0;try{var t=new Audio;t.muted&&(e.noAudio=!0)}catch(e){}return e.noAudio||e._setupCodecs(),e},_setupCodecs:function(){var e=this||a,t=null;try{t="undefined"!=typeof Audio?new Audio:null}catch(t){return e}if(!t||"function"!=typeof t.canPlayType)return e;var n=t.canPlayType("audio/mpeg;").replace(/^no$/,""),o=e._navigator&&e._navigator.userAgent.match(/OPR\/([0-6].)/g),r=o&&parseInt(o[0].split("/")[1],10)<33;return e._codecs={mp3:!(r||!n&&!t.canPlayType("audio/mp3;").replace(/^no$/,"")),mpeg:!!n,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},_unlockAudio:function(){var e=this||a;if(!e._audioUnlocked&&e.ctx){e._audioUnlocked=!1,e.autoUnlock=!1,e._mobileUnloaded||44100===e.ctx.sampleRate||(e._mobileUnloaded=!0,e.unload()),e._scratchBuffer=e.ctx.createBuffer(1,1,22050);var t=function(n){for(var o=0;o<e.html5PoolSize;o++)try{var r=new Audio;r._unlocked=!0,e._releaseHtml5Audio(r)}catch(n){e.noAudio=!0}for(var o=0;o<e._howls.length;o++)if(!e._howls[o]._webAudio)for(var i=e._howls[o]._getSoundIds(),a=0;a<i.length;a++){var s=e._howls[o]._soundById(i[a]);s&&s._node&&!s._node._unlocked&&(s._node._unlocked=!0,s._node.load())}e._autoResume();var u=e.ctx.createBufferSource();u.buffer=e._scratchBuffer,u.connect(e.ctx.destination),void 0===u.start?u.noteOn(0):u.start(0),"function"==typeof e.ctx.resume&&e.ctx.resume(),u.onended=function(){u.disconnect(0),e._audioUnlocked=!0,document.removeEventListener("touchstart",t,!0),document.removeEventListener("touchend",t,!0),document.removeEventListener("click",t,!0);for(var n=0;n<e._howls.length;n++)e._howls[n]._emit("unlock")}};return document.addEventListener("touchstart",t,!0),document.addEventListener("touchend",t,!0),document.addEventListener("click",t,!0),e}},_obtainHtml5Audio:function(){var e=this||a;if(e._html5AudioPool.length)return e._html5AudioPool.pop();var t=(new Audio).play();return t&&"undefined"!=typeof Promise&&(t instanceof Promise||"function"==typeof t.then)&&t.catch(function(){console.warn("HTML5 Audio pool exhausted, returning potentially locked audio object.")}),new Audio},_releaseHtml5Audio:function(e){var t=this||a;return e._unlocked&&t._html5AudioPool.push(e),t},_autoSuspend:function(){var e=this;if(e.autoSuspend&&e.ctx&&void 0!==e.ctx.suspend&&a.usingWebAudio){for(var t=0;t<e._howls.length;t++)if(e._howls[t]._webAudio)for(var n=0;n<e._howls[t]._sounds.length;n++)if(!e._howls[t]._sounds[n]._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.ctx&&void 0!==e.ctx.resume&&a.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 t=0;t<e._howls.length;t++)e._howls[t]._emit("resume")}),e._suspendTimer&&(clearTimeout(e._suspendTimer),e._suspendTimer=null)):"suspending"===e.state&&(e._resumeAfterSuspend=!0),e}};var a=new i,s=function(e){var t=this;if(!e.src||0===e.src.length)return void console.error("An array of source files must be passed with any new Howl.");t.init(e)};s.prototype={init:function(e){var t=this;return a.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._onunlock=e.onunlock?[{fn:e.onunlock}]:[],t._onresume=[],t._webAudio=a.usingWebAudio&&!t._html5,void 0!==a.ctx&&a.ctx&&a.autoUnlock&&a._unlockAudio(),a._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(a.noAudio)return void e._emit("loaderror",null,"No audio support.");"string"==typeof e._src&&(e._src=[e._src]);for(var n=0;n<e._src.length;n++){var o,r;if(e._format&&e._format[n])o=e._format[n];else{if("string"!=typeof(r=e._src[n])){e._emit("loaderror",null,"Non-string found in selected audio sources - ignoring.");continue}o=/^data:audio\/([^;,]+);/i.exec(r),o||(o=/\.([^.]+)$/.exec(r.split("?",1)[0])),o&&(o=o[1].toLowerCase())}if(o||console.warn('No file extension was found. Consider using the "format" property or specify an extension.'),o&&a.codecs(o)){t=e._src[n];break}}return t?(e._src=t,e._state="loading","https:"===window.location.protocol&&"http:"===t.slice(0,5)&&(e._html5=!0,e._webAudio=!1),new u(e),e._webAudio&&l(e),e):void e._emit("loaderror",null,"No codec support for selected audio sources.")},play:function(e,t){var n=this,o=null;if("number"==typeof e)o=e,e=null;else{if("string"==typeof e&&"loaded"===n._state&&!n._sprite[e])return null;if(void 0===e&&(e="__default",!n._playLock)){for(var r=0,i=0;i<n._sounds.length;i++)n._sounds[i]._paused&&!n._sounds[i]._ended&&(r++,o=n._sounds[i]._id);1===r?e=null:o=null}}var s=o?n._soundById(o):n._inactiveSound();if(!s)return null;if(o&&!e&&(e=s._sprite||"__default"),"loaded"!==n._state){s._sprite=e,s._ended=!1;var u=s._id;return n._queue.push({event:"play",action:function(){n.play(u)}}),u}if(o&&!s._paused)return t||n._loadQueue("play"),s._id;n._webAudio&&a._autoResume();var d=Math.max(0,s._seek>0?s._seek:n._sprite[e][0]/1e3),l=Math.max(0,(n._sprite[e][0]+n._sprite[e][1])/1e3-d),c=1e3*l/Math.abs(s._rate),f=n._sprite[e][0]/1e3,p=(n._sprite[e][0]+n._sprite[e][1])/1e3,_=!(!s._loop&&!n._sprite[e][2]);s._sprite=e,s._ended=!1;var h=function(){s._paused=!1,s._seek=d,s._start=f,s._stop=p,s._loop=_};if(d>=p)return void n._ended(s);var m=s._node;if(n._webAudio){var v=function(){n._playLock=!1,h(),n._refreshBuffer(s);var e=s._muted||n._muted?0:s._volume;m.gain.setValueAtTime(e,a.ctx.currentTime),s._playStart=a.ctx.currentTime,void 0===m.bufferSource.start?s._loop?m.bufferSource.noteGrainOn(0,d,86400):m.bufferSource.noteGrainOn(0,d,l):s._loop?m.bufferSource.start(0,d,86400):m.bufferSource.start(0,d,l),c!==1/0&&(n._endTimers[s._id]=setTimeout(n._ended.bind(n,s),c)),t||setTimeout(function(){n._emit("play",s._id),n._loadQueue()},0)};"running"===a.state?v():(n._playLock=!0,n.once("resume",v),n._clearTimer(s._id))}else{var g=function(){m.currentTime=d,m.muted=s._muted||n._muted||a._muted||m.muted,m.volume=s._volume*a.volume(),m.playbackRate=s._rate;try{var o=m.play();if(o&&"undefined"!=typeof Promise&&(o instanceof Promise||"function"==typeof o.then)?(n._playLock=!0,h(),o.then(function(){n._playLock=!1,m._unlocked=!0,t||(n._emit("play",s._id),n._loadQueue())}).catch(function(){n._playLock=!1,n._emit("playerror",s._id,"Playback was unable to start. This is most commonly an issue on mobile devices and Chrome where playback was not within a user interaction."),s._ended=!0,s._paused=!0})):t||(n._playLock=!1,h(),n._emit("play",s._id),n._loadQueue()),m.playbackRate=s._rate,m.paused)return void n._emit("playerror",s._id,"Playback was unable to start. This is most commonly an issue on mobile devices and Chrome where playback was not within a user interaction.");"__default"!==e||s._loop?n._endTimers[s._id]=setTimeout(n._ended.bind(n,s),c):(n._endTimers[s._id]=function(){n._ended(s),m.removeEventListener("ended",n._endTimers[s._id],!1)},m.addEventListener("ended",n._endTimers[s._id],!1))}catch(e){n._emit("playerror",s._id,e)}};"data:audio/wav;base64,UklGRigAAABXQVZFZm10IBIAAAABAAEARKwAAIhYAQACABAAAABkYXRhAgAAAAEA"===m.src&&(m.src=n._src,m.load());var y=window&&window.ejecta||!m.readyState&&a._navigator.isCocoonJS;if(m.readyState>=3||y)g();else{n._playLock=!0;var A=function(){g(),m.removeEventListener(a._canPlayEvent,A,!1)};m.addEventListener(a._canPlayEvent,A,!1),n._clearTimer(s._id)}}return s._id},pause:function(e){var t=this;if("loaded"!==t._state||t._playLock)return t._queue.push({event:"pause",action:function(){t.pause(e)}}),t;for(var n=t._getSoundIds(e),o=0;o<n.length;o++){t._clearTimer(n[o]);var r=t._soundById(n[o]);if(r&&!r._paused&&(r._seek=t.seek(n[o]),r._rateSeek=0,r._paused=!0,t._stopFade(n[o]),r._node))if(t._webAudio){if(!r._node.bufferSource)continue;void 0===r._node.bufferSource.stop?r._node.bufferSource.noteOff(0):r._node.bufferSource.stop(0),t._cleanBuffer(r._node)}else isNaN(r._node.duration)&&r._node.duration!==1/0||r._node.pause();arguments[1]||t._emit("pause",r?r._id:null)}return t},stop:function(e,t){var n=this;if("loaded"!==n._state||n._playLock)return n._queue.push({event:"stop",action:function(){n.stop(e)}}),n;for(var o=n._getSoundIds(e),r=0;r<o.length;r++){n._clearTimer(o[r]);var i=n._soundById(o[r]);i&&(i._seek=i._start||0,i._rateSeek=0,i._paused=!0,i._ended=!0,n._stopFade(o[r]),i._node&&(n._webAudio?i._node.bufferSource&&(void 0===i._node.bufferSource.stop?i._node.bufferSource.noteOff(0):i._node.bufferSource.stop(0),n._cleanBuffer(i._node)):isNaN(i._node.duration)&&i._node.duration!==1/0||(i._node.currentTime=i._start||0,i._node.pause(),i._node.duration===1/0&&n._clearSound(i._node))),t||n._emit("stop",i._id))}return n},mute:function(e,t){var n=this;if("loaded"!==n._state||n._playLock)return n._queue.push({event:"mute",action:function(){n.mute(e,t)}}),n;if(void 0===t){if("boolean"!=typeof e)return n._muted;n._muted=e}for(var o=n._getSoundIds(t),r=0;r<o.length;r++){var i=n._soundById(o[r]);i&&(i._muted=e,i._interval&&n._stopFade(i._id),n._webAudio&&i._node?i._node.gain.setValueAtTime(e?0:i._volume,a.ctx.currentTime):i._node&&(i._node.muted=!!a._muted||e),n._emit("mute",i._id))}return n},volume:function(){var e,t,n=this,o=arguments;if(0===o.length)return n._volume;if(1===o.length||2===o.length&&void 0===o[1]){n._getSoundIds().indexOf(o[0])>=0?t=parseInt(o[0],10):e=parseFloat(o[0])}else o.length>=2&&(e=parseFloat(o[0]),t=parseInt(o[1],10));var r;if(!(void 0!==e&&e>=0&&e<=1))return r=t?n._soundById(t):n._sounds[0],r?r._volume:0;if("loaded"!==n._state||n._playLock)return n._queue.push({event:"volume",action:function(){n.volume.apply(n,o)}}),n;void 0===t&&(n._volume=e),t=n._getSoundIds(t);for(var i=0;i<t.length;i++)(r=n._soundById(t[i]))&&(r._volume=e,o[2]||n._stopFade(t[i]),n._webAudio&&r._node&&!r._muted?r._node.gain.setValueAtTime(e,a.ctx.currentTime):r._node&&!r._muted&&(r._node.volume=e*a.volume()),n._emit("volume",r._id));return n},fade:function(e,t,n,o){var r=this;if("loaded"!==r._state||r._playLock)return r._queue.push({event:"fade",action:function(){r.fade(e,t,n,o)}}),r;e=parseFloat(e),t=parseFloat(t),n=parseFloat(n),r.volume(e,o);for(var i=r._getSoundIds(o),s=0;s<i.length;s++){var u=r._soundById(i[s]);if(u){if(o||r._stopFade(i[s]),r._webAudio&&!u._muted){var d=a.ctx.currentTime,l=d+n/1e3;u._volume=e,u._node.gain.setValueAtTime(e,d),u._node.gain.linearRampToValueAtTime(t,l)}r._startFadeInterval(u,e,t,n,i[s],void 0===o)}}return r},_startFadeInterval:function(e,t,n,o,r,i){var a=this,s=t,u=n-t,d=Math.abs(u/.01),l=Math.max(4,d>0?o/d:o),c=Date.now();e._fadeTo=n,e._interval=setInterval(function(){var r=(Date.now()-c)/o;c=Date.now(),s+=u*r,s=Math.max(0,s),s=Math.min(1,s),s=Math.round(100*s)/100,a._webAudio?e._volume=s:a.volume(s,e._id,!0),i&&(a._volume=s),(n<t&&s<=n||n>t&&s>=n)&&(clearInterval(e._interval),e._interval=null,e._fadeTo=null,a.volume(n,e._id),a._emit("fade",e._id))},l)},_stopFade:function(e){var t=this,n=t._soundById(e);return n&&n._interval&&(t._webAudio&&n._node.gain.cancelScheduledValues(a.ctx.currentTime),clearInterval(n._interval),n._interval=null,t.volume(n._fadeTo,e),n._fadeTo=null,t._emit("fade",e)),t},loop:function(){var e,t,n,o=this,r=arguments;if(0===r.length)return o._loop;if(1===r.length){if("boolean"!=typeof r[0])return!!(n=o._soundById(parseInt(r[0],10)))&&n._loop;e=r[0],o._loop=e}else 2===r.length&&(e=r[0],t=parseInt(r[1],10));for(var i=o._getSoundIds(t),a=0;a<i.length;a++)(n=o._soundById(i[a]))&&(n._loop=e,o._webAudio&&n._node&&n._node.bufferSource&&(n._node.bufferSource.loop=e,e&&(n._node.bufferSource.loopStart=n._start||0,n._node.bufferSource.loopEnd=n._stop)));return o},rate:function(){var e,t,n=this,o=arguments;if(0===o.length)t=n._sounds[0]._id;else if(1===o.length){var r=n._getSoundIds(),i=r.indexOf(o[0]);i>=0?t=parseInt(o[0],10):e=parseFloat(o[0])}else 2===o.length&&(e=parseFloat(o[0]),t=parseInt(o[1],10));var s;if("number"!=typeof e)return s=n._soundById(t),s?s._rate:n._rate;if("loaded"!==n._state||n._playLock)return n._queue.push({event:"rate",action:function(){n.rate.apply(n,o)}}),n;void 0===t&&(n._rate=e),t=n._getSoundIds(t);for(var u=0;u<t.length;u++)if(s=n._soundById(t[u])){n.playing(t[u])&&(s._rateSeek=n.seek(t[u]),s._playStart=n._webAudio?a.ctx.currentTime:s._playStart),s._rate=e,n._webAudio&&s._node&&s._node.bufferSource?s._node.bufferSource.playbackRate.setValueAtTime(e,a.ctx.currentTime):s._node&&(s._node.playbackRate=e);var d=n.seek(t[u]),l=(n._sprite[s._sprite][0]+n._sprite[s._sprite][1])/1e3-d,c=1e3*l/Math.abs(s._rate);!n._endTimers[t[u]]&&s._paused||(n._clearTimer(t[u]),n._endTimers[t[u]]=setTimeout(n._ended.bind(n,s),c)),n._emit("rate",s._id)}return n},seek:function(){var e,t,n=this,o=arguments;if(0===o.length)t=n._sounds[0]._id;else if(1===o.length){var r=n._getSoundIds(),i=r.indexOf(o[0]);i>=0?t=parseInt(o[0],10):n._sounds.length&&(t=n._sounds[0]._id,e=parseFloat(o[0]))}else 2===o.length&&(e=parseFloat(o[0]),t=parseInt(o[1],10));if(void 0===t)return n;if("loaded"!==n._state||n._playLock)return n._queue.push({event:"seek",action:function(){n.seek.apply(n,o)}}),n;var s=n._soundById(t);if(s){if(!("number"==typeof e&&e>=0)){if(n._webAudio){var u=n.playing(t)?a.ctx.currentTime-s._playStart:0,d=s._rateSeek?s._rateSeek-s._seek:0;return s._seek+(d+u*Math.abs(s._rate))}return s._node.currentTime}var l=n.playing(t);l&&n.pause(t,!0),s._seek=e,s._ended=!1,n._clearTimer(t),n._webAudio||!s._node||isNaN(s._node.duration)||(s._node.currentTime=e);var c=function(){n._emit("seek",t),l&&n.play(t,!0)};if(l&&!n._webAudio){var f=function(){n._playLock?setTimeout(f,0):c()};setTimeout(f,0)}else c()}return n},playing:function(e){var t=this;if("number"==typeof e){var n=t._soundById(e);return!!n&&!n._paused}for(var o=0;o<t._sounds.length;o++)if(!t._sounds[o]._paused)return!0;return!1},duration:function(e){var t=this,n=t._duration,o=t._soundById(e);return o&&(n=t._sprite[o._sprite][1]/1e3),n},state:function(){return this._state},unload:function(){for(var e=this,t=e._sounds,n=0;n<t.length;n++)t[n]._paused||e.stop(t[n]._id),e._webAudio||(e._clearSound(t[n]._node),t[n]._node.removeEventListener("error",t[n]._errorFn,!1),t[n]._node.removeEventListener(a._canPlayEvent,t[n]._loadFn,!1),a._releaseHtml5Audio(t[n]._node)),delete t[n]._node,e._clearTimer(t[n]._id);var o=a._howls.indexOf(e);o>=0&&a._howls.splice(o,1);var r=!0;for(n=0;n<a._howls.length;n++)if(a._howls[n]._src===e._src||e._src.indexOf(a._howls[n]._src)>=0){r=!1;break}return d&&r&&delete d[e._src],a.noAudio=!1,e._state="unloaded",e._sounds=[],e=null,null},on:function(e,t,n,o){var r=this,i=r["_on"+e];return"function"==typeof t&&i.push(o?{id:n,fn:t,once:o}:{id:n,fn:t}),r},off:function(e,t,n){var o=this,r=o["_on"+e],i=0;if("number"==typeof t&&(n=t,t=null),t||n)for(i=0;i<r.length;i++){var a=n===r[i].id;if(t===r[i].fn&&a||!t&&a){r.splice(i,1);break}}else if(e)o["_on"+e]=[];else{var s=Object.keys(o);for(i=0;i<s.length;i++)0===s[i].indexOf("_on")&&Array.isArray(o[s[i]])&&(o[s[i]]=[])}return o},once:function(e,t,n){var o=this;return o.on(e,t,n,1),o},_emit:function(e,t,n){for(var o=this,r=o["_on"+e],i=r.length-1;i>=0;i--)r[i].id&&r[i].id!==t&&"load"!==e||(setTimeout(function(e){e.call(this,t,n)}.bind(o,r[i].fn),0),r[i].once&&o.off(e,r[i].fn,r[i].id));return o._loadQueue(e),o},_loadQueue:function(e){var t=this;if(t._queue.length>0){var n=t._queue[0];n.event===e&&(t._queue.shift(),t._loadQueue()),e||n.action()}return t},_ended:function(e){var t=this,n=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 o=!(!e._loop&&!t._sprite[n][2]);if(t._emit("end",e._id),!t._webAudio&&o&&t.stop(e._id,!0).play(e._id),t._webAudio&&o){t._emit("play",e._id),e._seek=e._start||0,e._rateSeek=0,e._playStart=a.ctx.currentTime;var r=1e3*(e._stop-e._start)/Math.abs(e._rate);t._endTimers[e._id]=setTimeout(t._ended.bind(t,e),r)}return t._webAudio&&!o&&(e._paused=!0,e._ended=!0,e._seek=e._start||0,e._rateSeek=0,t._clearTimer(e._id),t._cleanBuffer(e._node),a._autoSuspend()),t._webAudio||o||t.stop(e._id,!0),t},_clearTimer:function(e){var t=this;if(t._endTimers[e]){if("function"!=typeof t._endTimers[e])clearTimeout(t._endTimers[e]);else{var n=t._soundById(e);n&&n._node&&n._node.removeEventListener("ended",t._endTimers[e],!1)}delete t._endTimers[e]}return t},_soundById:function(e){for(var t=this,n=0;n<t._sounds.length;n++)if(e===t._sounds[n]._id)return t._sounds[n];return null},_inactiveSound:function(){var e=this;e._drain();for(var t=0;t<e._sounds.length;t++)if(e._sounds[t]._ended)return e._sounds[t].reset();return new u(e)},_drain:function(){var e=this,t=e._pool,n=0,o=0;if(!(e._sounds.length<t)){for(o=0;o<e._sounds.length;o++)e._sounds[o]._ended&&n++;for(o=e._sounds.length-1;o>=0;o--){if(n<=t)return;e._sounds[o]._ended&&(e._webAudio&&e._sounds[o]._node&&e._sounds[o]._node.disconnect(0),e._sounds.splice(o,1),n--)}}},_getSoundIds:function(e){var t=this;if(void 0===e){for(var n=[],o=0;o<t._sounds.length;o++)n.push(t._sounds[o]._id);return n}return[e]},_refreshBuffer:function(e){var t=this;return e._node.bufferSource=a.ctx.createBufferSource(),e._node.bufferSource.buffer=d[t._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||0),e._node.bufferSource.playbackRate.setValueAtTime(e._rate,a.ctx.currentTime),t},_cleanBuffer:function(e){var t=this,n=a._navigator&&a._navigator.vendor.indexOf("Apple")>=0;if(a._scratchBuffer&&e.bufferSource&&(e.bufferSource.onended=null,e.bufferSource.disconnect(0),n))try{e.bufferSource.buffer=a._scratchBuffer}catch(e){}return e.bufferSource=null,t},_clearSound:function(e){/MSIE |Trident\//.test(a._navigator&&a._navigator.userAgent)||(e.src="data:audio/wav;base64,UklGRigAAABXQVZFZm10IBIAAAABAAEARKwAAIhYAQACABAAAABkYXRhAgAAAAEA")}};var u=function(e){this._parent=e,this.init()};u.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=++a._counter,t._sounds.push(e),e.create(),e},create:function(){var e=this,t=e._parent,n=a._muted||e._muted||e._parent._muted?0:e._volume;return t._webAudio?(e._node=void 0===a.ctx.createGain?a.ctx.createGainNode():a.ctx.createGain(),e._node.gain.setValueAtTime(n,a.ctx.currentTime),e._node.paused=!0,e._node.connect(a.masterGain)):(e._node=a._obtainHtml5Audio(),e._errorFn=e._errorListener.bind(e),e._node.addEventListener("error",e._errorFn,!1),e._loadFn=e._loadListener.bind(e),e._node.addEventListener(a._canPlayEvent,e._loadFn,!1),e._node.src=t._src,e._node.preload="auto",e._node.volume=n*a.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=++a._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,t=e._parent;t._duration=Math.ceil(10*e._node.duration)/10,0===Object.keys(t._sprite).length&&(t._sprite={__default:[0,1e3*t._duration]}),"loaded"!==t._state&&(t._state="loaded",t._emit("load"),t._loadQueue()),e._node.removeEventListener(a._canPlayEvent,e._loadFn,!1)}};var d={},l=function(e){var t=e._src;if(d[t])return e._duration=d[t].duration,void p(e);if(/^data:[^;]+;base64,/.test(t)){for(var n=atob(t.split(",")[1]),o=new Uint8Array(n.length),r=0;r<n.length;++r)o[r]=n.charCodeAt(r);f(o.buffer,e)}else{var i=new XMLHttpRequest;i.open("GET",t,!0),i.withCredentials=e._xhrWithCredentials,i.responseType="arraybuffer",i.onload=function(){var t=(i.status+"")[0];if("0"!==t&&"2"!==t&&"3"!==t)return void e._emit("loaderror",null,"Failed loading audio file with status: "+i.status+".");f(i.response,e)},i.onerror=function(){e._webAudio&&(e._html5=!0,e._webAudio=!1,e._sounds=[],delete d[t],e.load())},c(i)}},c=function(e){try{e.send()}catch(t){e.onerror()}},f=function(e,t){var n=function(){t._emit("loaderror",null,"Decoding audio data failed.")},o=function(e){e&&t._sounds.length>0?(d[t._src]=e,p(t,e)):n()};"undefined"!=typeof Promise&&1===a.ctx.decodeAudioData.length?a.ctx.decodeAudioData(e).then(o).catch(n):a.ctx.decodeAudioData(e,o,n)},p=function(e,t){t&&!e._duration&&(e._duration=t.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(){if(a.usingWebAudio){try{"undefined"!=typeof AudioContext?a.ctx=new AudioContext:"undefined"!=typeof webkitAudioContext?a.ctx=new webkitAudioContext:a.usingWebAudio=!1}catch(e){a.usingWebAudio=!1}a.ctx||(a.usingWebAudio=!1);var e=/iP(hone|od|ad)/.test(a._navigator&&a._navigator.platform),t=a._navigator&&a._navigator.appVersion.match(/OS (\d+)_(\d+)_?(\d+)?/),n=t?parseInt(t[1],10):null;if(e&&n&&n<9){var o=/safari/.test(a._navigator&&a._navigator.userAgent.toLowerCase());(a._navigator&&a._navigator.standalone&&!o||a._navigator&&!a._navigator.standalone&&!o)&&(a.usingWebAudio=!1)}a.usingWebAudio&&(a.masterGain=void 0===a.ctx.createGain?a.ctx.createGainNode():a.ctx.createGain(),a.masterGain.gain.setValueAtTime(a._muted?0:1,a.ctx.currentTime),a.masterGain.connect(a.ctx.destination)),a._setup()}};o=[],void 0!==(r=function(){return{Howler:a,Howl:s}}.apply(t,o))&&(e.exports=r),t.Howler=a,t.Howl=s,"undefined"!=typeof window?(window.HowlerGlobal=i,window.Howler=a,window.Howl=s,window.Sound=u):void 0!==n&&(n.HowlerGlobal=i,n.Howler=a,n.Howl=s,n.Sound=u)}(),/*!
 *  Spatial Plugin - Adds support for stereo and 3D audio where Web Audio is supported.
 *  
 *  howler.js v2.1.2
 *  howlerjs.com
 *
 *  (c) 2013-2019, James Simpson of GoldFire Studios
 *  goldfirestudios.com
 *
 *  MIT License
 */
function(){"use strict";HowlerGlobal.prototype._pos=[0,0,0],HowlerGlobal.prototype._orientation=[0,0,-1,0,1,0],HowlerGlobal.prototype.stereo=function(e){var t=this;if(!t.ctx||!t.ctx.listener)return t;for(var n=t._howls.length-1;n>=0;n--)t._howls[n].stereo(e);return t},HowlerGlobal.prototype.pos=function(e,t,n){var o=this;return o.ctx&&o.ctx.listener?(t="number"!=typeof t?o._pos[1]:t,n="number"!=typeof n?o._pos[2]:n,"number"!=typeof e?o._pos:(o._pos=[e,t,n],void 0!==o.ctx.listener.positionX?(o.ctx.listener.positionX.setTargetAtTime(o._pos[0],Howler.ctx.currentTime,.1),o.ctx.listener.positionY.setTargetAtTime(o._pos[1],Howler.ctx.currentTime,.1),o.ctx.listener.positionZ.setTargetAtTime(o._pos[2],Howler.ctx.currentTime,.1)):o.ctx.listener.setPosition(o._pos[0],o._pos[1],o._pos[2]),o)):o},HowlerGlobal.prototype.orientation=function(e,t,n,o,r,i){var a=this;if(!a.ctx||!a.ctx.listener)return a;var s=a._orientation;return t="number"!=typeof t?s[1]:t,n="number"!=typeof n?s[2]:n,o="number"!=typeof o?s[3]:o,r="number"!=typeof r?s[4]:r,i="number"!=typeof i?s[5]:i,"number"!=typeof e?s:(a._orientation=[e,t,n,o,r,i],void 0!==a.ctx.listener.forwardX?(a.ctx.listener.forwardX.setTargetAtTime(e,Howler.ctx.currentTime,.1),a.ctx.listener.forwardY.setTargetAtTime(t,Howler.ctx.currentTime,.1),a.ctx.listener.forwardZ.setTargetAtTime(n,Howler.ctx.currentTime,.1),a.ctx.listener.upX.setTargetAtTime(e,Howler.ctx.currentTime,.1),a.ctx.listener.upY.setTargetAtTime(t,Howler.ctx.currentTime,.1),a.ctx.listener.upZ.setTargetAtTime(n,Howler.ctx.currentTime,.1)):a.ctx.listener.setOrientation(e,t,n,o,r,i),a)},Howl.prototype.init=function(e){return function(t){var n=this;return n._orientation=t.orientation||[1,0,0],n._stereo=t.stereo||null,n._pos=t.pos||null,n._pannerAttr={coneInnerAngle:void 0!==t.coneInnerAngle?t.coneInnerAngle:360,coneOuterAngle:void 0!==t.coneOuterAngle?t.coneOuterAngle:360,coneOuterGain:void 0!==t.coneOuterGain?t.coneOuterGain:0,distanceModel:void 0!==t.distanceModel?t.distanceModel:"inverse",maxDistance:void 0!==t.maxDistance?t.maxDistance:1e4,panningModel:void 0!==t.panningModel?t.panningModel:"HRTF",refDistance:void 0!==t.refDistance?t.refDistance:1,rolloffFactor:void 0!==t.rolloffFactor?t.rolloffFactor:1},n._onstereo=t.onstereo?[{fn:t.onstereo}]:[],n._onpos=t.onpos?[{fn:t.onpos}]:[],n._onorientation=t.onorientation?[{fn:t.onorientation}]:[],e.call(this,t)}}(Howl.prototype.init),Howl.prototype.stereo=function(t,n){var o=this;if(!o._webAudio)return o;if("loaded"!==o._state)return o._queue.push({event:"stereo",action:function(){o.stereo(t,n)}}),o;var r=void 0===Howler.ctx.createStereoPanner?"spatial":"stereo";if(void 0===n){if("number"!=typeof t)return o._stereo;o._stereo=t,o._pos=[t,0,0]}for(var i=o._getSoundIds(n),a=0;a<i.length;a++){var s=o._soundById(i[a]);if(s){if("number"!=typeof t)return s._stereo;s._stereo=t,s._pos=[t,0,0],s._node&&(s._pannerAttr.panningModel="equalpower",s._panner&&s._panner.pan||e(s,r),"spatial"===r?void 0!==s._panner.positionX?(s._panner.positionX.setValueAtTime(t,Howler.ctx.currentTime),s._panner.positionY.setValueAtTime(0,Howler.ctx.currentTime),s._panner.positionZ.setValueAtTime(0,Howler.ctx.currentTime)):s._panner.setPosition(t,0,0):s._panner.pan.setValueAtTime(t,Howler.ctx.currentTime)),o._emit("stereo",s._id)}}return o},Howl.prototype.pos=function(t,n,o,r){var i=this;if(!i._webAudio)return i;if("loaded"!==i._state)return i._queue.push({event:"pos",action:function(){i.pos(t,n,o,r)}}),i;if(n="number"!=typeof n?0:n,o="number"!=typeof o?-.5:o,void 0===r){if("number"!=typeof t)return i._pos;i._pos=[t,n,o]}for(var a=i._getSoundIds(r),s=0;s<a.length;s++){var u=i._soundById(a[s]);if(u){if("number"!=typeof t)return u._pos;u._pos=[t,n,o],u._node&&(u._panner&&!u._panner.pan||e(u,"spatial"),void 0!==u._panner.positionX?(u._panner.positionX.setValueAtTime(t,Howler.ctx.currentTime),u._panner.positionY.setValueAtTime(n,Howler.ctx.currentTime),u._panner.positionZ.setValueAtTime(o,Howler.ctx.currentTime)):u._panner.setPosition(t,n,o)),i._emit("pos",u._id)}}return i},Howl.prototype.orientation=function(t,n,o,r){var i=this;if(!i._webAudio)return i;if("loaded"!==i._state)return i._queue.push({event:"orientation",action:function(){i.orientation(t,n,o,r)}}),i;if(n="number"!=typeof n?i._orientation[1]:n,o="number"!=typeof o?i._orientation[2]:o,void 0===r){if("number"!=typeof t)return i._orientation;i._orientation=[t,n,o]}for(var a=i._getSoundIds(r),s=0;s<a.length;s++){var u=i._soundById(a[s]);if(u){if("number"!=typeof t)return u._orientation;u._orientation=[t,n,o],u._node&&(u._panner||(u._pos||(u._pos=i._pos||[0,0,-.5]),e(u,"spatial")),void 0!==u._panner.orientationX?(u._panner.orientationX.setValueAtTime(t,Howler.ctx.currentTime),u._panner.orientationY.setValueAtTime(n,Howler.ctx.currentTime),u._panner.orientationZ.setValueAtTime(o,Howler.ctx.currentTime)):u._panner.setOrientation(t,n,o)),i._emit("orientation",u._id)}}return i},Howl.prototype.pannerAttr=function(){var t,n,o,r=this,i=arguments;if(!r._webAudio)return r;if(0===i.length)return r._pannerAttr;if(1===i.length){if("object"!=typeof i[0])return o=r._soundById(parseInt(i[0],10)),o?o._pannerAttr:r._pannerAttr;t=i[0],void 0===n&&(t.pannerAttr||(t.pannerAttr={coneInnerAngle:t.coneInnerAngle,coneOuterAngle:t.coneOuterAngle,coneOuterGain:t.coneOuterGain,distanceModel:t.distanceModel,maxDistance:t.maxDistance,refDistance:t.refDistance,rolloffFactor:t.rolloffFactor,panningModel:t.panningModel}),r._pannerAttr={coneInnerAngle:void 0!==t.pannerAttr.coneInnerAngle?t.pannerAttr.coneInnerAngle:r._coneInnerAngle,coneOuterAngle:void 0!==t.pannerAttr.coneOuterAngle?t.pannerAttr.coneOuterAngle:r._coneOuterAngle,coneOuterGain:void 0!==t.pannerAttr.coneOuterGain?t.pannerAttr.coneOuterGain:r._coneOuterGain,distanceModel:void 0!==t.pannerAttr.distanceModel?t.pannerAttr.distanceModel:r._distanceModel,maxDistance:void 0!==t.pannerAttr.maxDistance?t.pannerAttr.maxDistance:r._maxDistance,refDistance:void 0!==t.pannerAttr.refDistance?t.pannerAttr.refDistance:r._refDistance,rolloffFactor:void 0!==t.pannerAttr.rolloffFactor?t.pannerAttr.rolloffFactor:r._rolloffFactor,panningModel:void 0!==t.pannerAttr.panningModel?t.pannerAttr.panningModel:r._panningModel})}else 2===i.length&&(t=i[0],n=parseInt(i[1],10));for(var a=r._getSoundIds(n),s=0;s<a.length;s++)if(o=r._soundById(a[s])){var u=o._pannerAttr;u={coneInnerAngle:void 0!==t.coneInnerAngle?t.coneInnerAngle:u.coneInnerAngle,coneOuterAngle:void 0!==t.coneOuterAngle?t.coneOuterAngle:u.coneOuterAngle,coneOuterGain:void 0!==t.coneOuterGain?t.coneOuterGain:u.coneOuterGain,distanceModel:void 0!==t.distanceModel?t.distanceModel:u.distanceModel,maxDistance:void 0!==t.maxDistance?t.maxDistance:u.maxDistance,refDistance:void 0!==t.refDistance?t.refDistance:u.refDistance,rolloffFactor:void 0!==t.rolloffFactor?t.rolloffFactor:u.rolloffFactor,panningModel:void 0!==t.panningModel?t.panningModel:u.panningModel};var d=o._panner;d?(d.coneInnerAngle=u.coneInnerAngle,d.coneOuterAngle=u.coneOuterAngle,d.coneOuterGain=u.coneOuterGain,d.distanceModel=u.distanceModel,d.maxDistance=u.maxDistance,d.refDistance=u.refDistance,d.rolloffFactor=u.rolloffFactor,d.panningModel=u.panningModel):(o._pos||(o._pos=r._pos||[0,0,-.5]),e(o,"spatial"))}return r},Sound.prototype.init=function(e){return function(){var t=this,n=t._parent;t._orientation=n._orientation,t._stereo=n._stereo,t._pos=n._pos,t._pannerAttr=n._pannerAttr,e.call(this),t._stereo?n.stereo(t._stereo):t._pos&&n.pos(t._pos[0],t._pos[1],t._pos[2],t._id)}}(Sound.prototype.init),Sound.prototype.reset=function(e){return function(){var t=this,n=t._parent;return t._orientation=n._orientation,t._stereo=n._stereo,t._pos=n._pos,t._pannerAttr=n._pannerAttr,t._stereo?n.stereo(t._stereo):t._pos?n.pos(t._pos[0],t._pos[1],t._pos[2],t._id):t._panner&&(t._panner.disconnect(0),t._panner=void 0,n._refreshBuffer(t)),e.call(this)}}(Sound.prototype.reset);var e=function(e,t){t=t||"spatial","spatial"===t?(e._panner=Howler.ctx.createPanner(),e._panner.coneInnerAngle=e._pannerAttr.coneInnerAngle,e._panner.coneOuterAngle=e._pannerAttr.coneOuterAngle,e._panner.coneOuterGain=e._pannerAttr.coneOuterGain,e._panner.distanceModel=e._pannerAttr.distanceModel,e._panner.maxDistance=e._pannerAttr.maxDistance,e._panner.refDistance=e._pannerAttr.refDistance,e._panner.rolloffFactor=e._pannerAttr.rolloffFactor,e._panner.panningModel=e._pannerAttr.panningModel,void 0!==e._panner.positionX?(e._panner.positionX.setValueAtTime(e._pos[0],Howler.ctx.currentTime),e._panner.positionY.setValueAtTime(e._pos[1],Howler.ctx.currentTime),e._panner.positionZ.setValueAtTime(e._pos[2],Howler.ctx.currentTime)):e._panner.setPosition(e._pos[0],e._pos[1],e._pos[2]),void 0!==e._panner.orientationX?(e._panner.orientationX.setValueAtTime(e._orientation[0],Howler.ctx.currentTime),e._panner.orientationY.setValueAtTime(e._orientation[1],Howler.ctx.currentTime),e._panner.orientationZ.setValueAtTime(e._orientation[2],Howler.ctx.currentTime)):e._panner.setOrientation(e._orientation[0],e._orientation[1],e._orientation[2])):(e._panner=Howler.ctx.createStereoPanner(),e._panner.pan.setValueAtTime(e._stereo,Howler.ctx.currentTime)),e._panner.connect(e._node),e._paused||e._parent.pause(e._id,!0).play(e._id,!0)}}()}).call(t,n(14))},function(e,t){var n;n=function(){return this}();try{n=n||Function("return this")()||(0,eval)(