/*!
 * wavesurfer.js 2.0.5 (Sun Mar 04 2018 20:10:08 GMT+0100 (CET))
 * https://github.com/katspaugh/wavesurfer.js
 * @license BSD-3-Clause
 */
!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define("WaveSurfer",[],t):"object"==typeof exports?exports.WaveSurfer=t():e.WaveSurfer=t()}("undefined"!=typeof self?self:this,function(){return function(e){function t(n){if(r[n])return r[n].exports;var a=r[n]={i:n,l:!1,exports:{}};return e[n].call(a.exports,a,a.exports,t),a.l=!0,a.exports}var r={};return t.m=e,t.c=r,t.d=function(e,r,n){t.o(e,r)||Object.defineProperty(e,r,{configurable:!1,enumerable:!0,get:n})},t.n=function(e){var r=e&&e.__esModule?function(){return e.default}:function(){return e};return t.d(r,"a",r),r},t.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},t.p="",t(t.s=4)}([function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(t,"__esModule",{value:!0});var a=r(5);Object.defineProperty(t,"ajax",{enumerable:!0,get:function(){return n(a).default}});var i=r(6);Object.defineProperty(t,"getId",{enumerable:!0,get:function(){return n(i).default}});var s=r(7);Object.defineProperty(t,"max",{enumerable:!0,get:function(){return n(s).default}});var o=r(8);Object.defineProperty(t,"min",{enumerable:!0,get:function(){return n(o).default}});var u=r(1);Object.defineProperty(t,"Observer",{enumerable:!0,get:function(){return n(u).default}});var l=r(9);Object.defineProperty(t,"extend",{enumerable:!0,get:function(){return n(l).default}});var c=r(10);Object.defineProperty(t,"style",{enumerable:!0,get:function(){return n(c).default}});var h=r(2);Object.defineProperty(t,"requestAnimationFrame",{enumerable:!0,get:function(){return n(h).default}});var f=r(11);Object.defineProperty(t,"frame",{enumerable:!0,get:function(){return n(f).default}});var d=r(12);Object.defineProperty(t,"debounce",{enumerable:!0,get:function(){return n(d).default}});var p=r(13);Object.defineProperty(t,"preventClick",{enumerable:!0,get:function(){return n(p).default}})},function(e,t,r){"use strict";function n(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(t,"__esModule",{value:!0});var a=function(){function e(e,t){for(var r=0;r<t.length;r++){var n=t[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}return function(t,r,n){return r&&e(t.prototype,r),n&&e(t,n),t}}(),i=function(){function e(){n(this,e),this.handlers=null}return a(e,[{key:"on",value:function(e,t){var r=this;this.handlers||(this.handlers={});var n=this.handlers[e];return n||(n=this.handlers[e]=[]),n.push(t),{name:e,callback:t,un:function(e,t){return r.un(e,t)}}}},{key:"un",value:function(e,t){if(this.handlers){var r=this.handlers[e],n=void 0;if(r)if(t)for(n=r.length-1;n>=0;n--)r[n]==t&&r.splice(n,1);else r.length=0}}},{key:"unAll",value:function(){this.handlers=null}},{key:"once",value:function(e,t){var r=this,n=function n(){for(var a=arguments.length,i=Array(a),s=0;s<a;s++)i[s]=arguments[s];t.apply(r,i),setTimeout(function(){r.un(e,n)},0)};return this.on(e,n)}},{key:"fireEvent",value:function(e){for(var t=arguments.length,r=Array(t>1?t-1:0),n=1;n<t;n++)r[n-1]=arguments[n];if(this.handlers){var a=this.handlers[e];a&&a.forEach(function(e){e.apply(void 0,r)})}}}]),e}();t.default=i,e.exports=t.default},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.default=(window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.oRequestAnimationFrame||window.msRequestAnimationFrame||function(e,t){return setTimeout(e,1e3/60)}).bind(window),e.exports=t.default},function(e,t,r){"use strict";function n(e,t,r){return t in e?Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!0}):e[t]=r,e}function a(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function i(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t}function s(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):e.__proto__=t)}Object.defineProperty(t,"__esModule",{value:!0});var o=function(){function e(e,t){for(var r=0;r<t.length;r++){var n=t[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}return function(t,r,n){return r&&e(t.prototype,r),n&&e(t,n),t}}(),u=r(0),l=function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var r in e)Object.prototype.hasOwnProperty.call(e,r)&&(t[r]=e[r]);return t.default=e,t}(u),c="playing",h="paused",f="finished",d=function(e){function t(e){var r,s;a(this,t);var o=i(this,(t.__proto__||Object.getPrototypeOf(t)).call(this));return o.audioContext=null,o.offlineAudioContext=null,o.stateBehaviors=(r={},n(r,c,{init:function(){this.addOnAudioProcess()},getPlayedPercents:function(){var e=this.getDuration();return this.getCurrentTime()/e||0},getCurrentTime:function(){return this.startPosition+this.getPlayedTime()}}),n(r,h,{init:function(){this.removeOnAudioProcess()},getPlayedPercents:function(){var e=this.getDuration();return this.getCurrentTime()/e||0},getCurrentTime:function(){return this.startPosition}}),n(r,f,{init:function(){this.removeOnAudioProcess(),this.fireEvent("finish")},getPlayedPercents:function(){return 1},getCurrentTime:function(){return this.getDuration()}}),r),o.params=e,o.ac=e.audioContext||o.getAudioContext(),o.lastPlay=o.ac.currentTime,o.startPosition=0,o.scheduledPause=null,o.states=(s={},n(s,c,Object.create(o.stateBehaviors[c])),n(s,h,Object.create(o.stateBehaviors[h])),n(s,f,Object.create(o.stateBehaviors[f])),s),o.analyser=null,o.buffer=null,o.filters=[],o.gainNode=null,o.mergedPeaks=null,o.offlineAc=null,o.peaks=null,o.playbackRate=1,o.analyser=null,o.scriptNode=null,o.source=null,o.splitPeaks=[],o.state=null,o.explicitDuration=null,o}return s(t,e),o(t,[{key:"supportsWebAudio",value:function(){return!(!window.AudioContext&&!window.webkitAudioContext)}},{key:"getAudioContext",value:function(){return window.WaveSurferAudioContext||(window.WaveSurferAudioContext=new(window.AudioContext||window.webkitAudioContext)),window.WaveSurferAudioContext}},{key:"getOfflineAudioContext",value:function(e){return window.WaveSurferOfflineAudioContext||(window.WaveSurferOfflineAudioContext=new(window.OfflineAudioContext||window.webkitOfflineAudioContext)(1,2,e)),window.WaveSurferOfflineAudioContext}}]),o(t,[{key:"init",value:function(){this.createVolumeNode(),this.createScriptNode(),this.createAnalyserNode(),this.setState(h),this.setPlaybackRate(this.params.audioRate),this.setLength(0)}},{key:"disconnectFilters",value:function(){this.filters&&(this.filters.forEach(function(e){e&&e.disconnect()}),this.filters=null,this.analyser.connect(this.gainNode))}},{key:"setState",value:function(e){this.state!==this.states[e]&&(this.state=this.states[e],this.state.init.call(this))}},{key:"setFilter",value:function(){for(var e=arguments.length,t=Array(e),r=0;r<e;r++)t[r]=arguments[r];this.setFilters(t)}},{key:"setFilters",value:function(e){this.disconnectFilters(),e&&e.length&&(this.filters=e,this.analyser.disconnect(),e.reduce(function(e,t){return e.connect(t),t},this.analyser).connect(this.gainNode))}},{key:"createScriptNode",value:function(){this.ac.createScriptProcessor?this.scriptNode=this.ac.createScriptProcessor(t.scriptBufferSize):this.scriptNode=this.ac.createJavaScriptNode(t.scriptBufferSize),this.scriptNode.connect(this.ac.destination)}},{key:"addOnAudioProcess",value:function(){var e=this;this.scriptNode.onaudioprocess=function(){var t=e.getCurrentTime();t>=e.getDuration()?(e.setState(f),e.fireEvent("pause")):t>=e.scheduledPause?e.pause():e.state===e.states[c]&&e.fireEvent("audioprocess",t)}}},{key:"removeOnAudioProcess",value:function(){this.scriptNode.onaudioprocess=null}},{key:"createAnalyserNode",value:function(){this.analyser=this.ac.createAnalyser(),this.analyser.connect(this.gainNode)}},{key:"createVolumeNode",value:function(){this.ac.createGain?this.gainNode=this.ac.createGain():this.gainNode=this.ac.createGainNode(),this.gainNode.connect(this.ac.destination)}},{key:"setSinkId",value:function(e){if(e){var t=new window.Audio;if(!t.setSinkId)return Promise.reject(new Error("setSinkId is not supported in your browser"));t.autoplay=!0;var r=this.ac.createMediaStreamDestination();return this.gainNode.disconnect(),this.gainNode.connect(r),t.src=URL.createObjectURL(r.stream),t.setSinkId(e)}return Promise.reject(new Error("Invalid deviceId: "+e))}},{key:"setVolume",value:function(e){this.gainNode.gain.setValueAtTime(e,this.ac.currentTime)}},{key:"getVolume",value:function(){return this.gainNode.gain.value}},{key:"decodeArrayBuffer",value:function(e,t,r){this.offlineAc||(this.offlineAc=this.getOfflineAudioContext(this.ac?this.ac.sampleRate:44100)),this.offlineAc.decodeAudioData(e,function(e){return t(e)},r)}},{key:"setPeaks",value:function(e,t){this.explicitDuration=t,this.peaks=e}},{key:"setLength",value:function(e){if(!this.mergedPeaks||e!=2*this.mergedPeaks.length-1+2){this.splitPeaks=[],this.mergedPeaks=[];var t=this.buffer?this.buffer.numberOfChannels:1,r=void 0;for(r=0;r<t;r++)this.splitPeaks[r]=[],this.splitPeaks[r][2*(e-1)]=0,this.splitPeaks[r][2*(e-1)+1]=0;this.mergedPeaks[2*(e-1)]=0,this.mergedPeaks[2*(e-1)+1]=0}}},{key:"getPeaks",value:function(e,t,r){if(this.peaks)return this.peaks;if(t=t||0,r=r||e-1,this.setLength(e),!this.buffer.length){var n=this.createBuffer(1,4096,this.sampleRate);this.buffer=n.buffer}var a=this.buffer.length/e,i=~~(a/10)||1,s=this.buffer.numberOfChannels,o=void 0;for(o=0;o<s;o++){var u=this.splitPeaks[o],l=this.buffer.getChannelData(o),c=void 0;for(c=t;c<=r;c++){var h=~~(c*a),f=~~(h+a),d=0,p=0,v=void 0;for(v=h;v<f;v+=i){var y=l[v];y>p&&(p=y),y<d&&(d=y)}u[2*c]=p,u[2*c+1]=d,(0==o||p>this.mergedPeaks[2*c])&&(this.mergedPeaks[2*c]=p),(0==o||d<this.mergedPeaks[2*c+1])&&(this.mergedPeaks[2*c+1]=d)}}return this.params.splitChannels?this.splitPeaks:this.mergedPeaks}},{key:"getPlayedPercents",value:function(){return this.state.getPlayedPercents.call(this)}},{key:"disconnectSource",value:function(){this.source&&this.source.disconnect()}},{key:"destroy",value:function(){this.isPaused()||this.pause(),this.unAll(),this.buffer=null,this.disconnectFilters(),this.disconnectSource(),this.gainNode.disconnect(),this.scriptNode.disconnect(),this.analyser.disconnect(),this.params.closeAudioContext&&("function"==typeof this.ac.close&&"closed"!=this.ac.state&&this.ac.close(),this.ac=null,this.params.audioContext?this.params.audioContext=null:window.WaveSurferAudioContext=null,window.WaveSurferOfflineAudioContext=null)}},{key:"load",value:function(e){this.startPosition=0,this.lastPlay=this.ac.currentTime,this.buffer=e,this.createSource()}},{key:"createSource",value:function(){this.disconnectSource(),this.source=this.ac.createBufferSource(),this.source.start=this.source.start||this.source.noteGrainOn,this.source.stop=this.source.stop||this.source.noteOff,this.source.playbackRate.setValueAtTime(this.playbackRate,this.ac.currentTime),this.source.buffer=this.buffer,this.source.connect(this.analyser)}},{key:"isPaused",value:function(){return this.state!==this.states[c]}},{key:"getDuration",value:function(){return this.buffer?this.buffer.duration:this.explicitDuration?this.explicitDuration:0}},{key:"seekTo",value:function(e,t){if(this.buffer)return this.scheduledPause=null,null==e&&(e=this.getCurrentTime())>=this.getDuration()&&(e=0),null==t&&(t=this.getDuration()),this.startPosition=e,this.lastPlay=this.ac.currentTime,this.state===this.states[f]&&this.setState(h),{start:e,end:t}}},{key:"getPlayedTime",value:function(){return(this.ac.currentTime-this.lastPlay)*this.playbackRate}},{key:"play",value:function(e,t){if(this.buffer){this.createSource();var r=this.seekTo(e,t);e=r.start,t=r.end,this.scheduledPause=t,this.source.start(0,e,t-e),"suspended"==this.ac.state&&this.ac.resume&&this.ac.resume(),this.setState(c),this.fireEvent("play")}}},{key:"pause",value:function(){this.scheduledPause=null,this.startPosition+=this.getPlayedTime(),this.source&&this.source.stop(0),this.setState(h),this.fireEvent("pause")}},{key:"getCurrentTime",value:function(){return this.state.getCurrentTime.call(this)}},{key:"getPlaybackRate",value:function(){return this.playbackRate}},{key:"setPlaybackRate",value:function(e){e=e||1,this.isPaused()?this.playbackRate=e:(this.pause(),this.playbackRate=e,this.play())}}]),t}(l.Observer);d.scriptBufferSize=256,t.default=d,e.exports=t.default},function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{default:e}}function a(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t}function i(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):e.__proto__=t)}function s(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(t,"__esModule",{value:!0});var o=function(){function e(e,t){for(var r=0;r<t.length;r++){var n=t[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}return function(t,r,n){return r&&e(t.prototype,r),n&&e(t,n),t}}(),u=r(0),l=function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var r in e)Object.prototype.hasOwnProperty.call(e,r)&&(t[r]=e[r]);return t.default=e,t}(u),c=r(14),h=n(c),f=r(3),d=n(f),p=r(16),v=n(p),y=r(17),m=n(y),k=(function(){function e(t,r){s(this,e)}o(e,[{key:"create",value:function(e){}}]),o(e,[{key:"init",value:function(){}},{key:"destroy",value:function(){}}])}(),function(e){function t(e){var r;s(this,t);var n=a(this,(t.__proto__||Object.getPrototypeOf(t)).call(this));if(n.defaultParams={audioContext:null,audioRate:1,autoCenter:!0,backend:"WebAudio",barHeight:1,barGap:null,container:null,cursorColor:"#333",cursorWidth:1,dragSelection:!0,fillParent:!0,forceDecode:!1,height:128,hideScrollbar:!1,interact:!0,loopSelection:!0,maxCanvasWidth:4e3,mediaContainer:null,mediaControls:!1,mediaType:"audio",minPxPerSec:20,normalize:!1,partialRender:!1,pixelRatio:window.devicePixelRatio||screen.deviceXDPI/screen.logicalXDPI,plugins:[],progressColor:"#555",removeMediaElementOnDestroy:!0,renderer:h.default,responsive:!1,scrollParent:!1,skipLength:2,splitChannels:!1,waveColor:"#999",xhr:{}},n.backends={MediaElement:v.default,WebAudio:d.default},n.util=l,n.params=l.extend({},n.defaultParams,e),n.container="string"==typeof e.container?document.querySelector(n.params.container):n.params.container,!n.container)throw new Error("Container element not found");if(null==n.params.mediaContainer?n.mediaContainer=n.container:"string"==typeof n.params.mediaContainer?n.mediaContainer=document.querySelector(n.params.mediaContainer):n.mediaContainer=n.params.mediaContainer,!n.mediaContainer)throw new Error("Media Container element not found");if(n.params.maxCanvasWidth<=1)throw new Error("maxCanvasWidth must be greater than 1");if(n.params.maxCanvasWidth%2==1)throw new Error("maxCanvasWidth must be an even number");if(n.savedVolume=0,n.isMuted=!1,n.tmpEvents=[],n.currentAjax=null,n.arraybuffer=null,n.drawer=null,n.backend=null,n.peakCache=null,"function"!=typeof n.params.renderer)throw new Error("Renderer parameter is invalid");n.Drawer=n.params.renderer,n.Backend=n.backends[n.params.backend],n.initialisedPluginList={},n.isDestroyed=!1,n.isReady=!1;var i=0;return n._onResize=l.debounce(function(){i==n.drawer.wrapper.clientWidth||n.params.scrollParent||(i=n.drawer.wrapper.clientWidth,n.drawer.fireEvent("redraw"))},"number"==typeof n.params.responsive?n.params.responsive:100),r=n,a(n,r)}return i(t,e),o(t,null,[{key:"create",value:function(e){return new t(e).init()}}]),o(t,[{key:"init",value:function(){return this.registerPlugins(this.params.plugins),this.createDrawer(),this.createBackend(),this.createPeakCache(),this}},{key:"registerPlugins",value:function(e){var t=this;return e.forEach(function(e){return t.addPlugin(e)}),e.forEach(function(e){e.deferInit||t.initPlugin(e.name)}),this.fireEvent("plugins-registered",e),this}},{key:"addPlugin",value:function(e){var t=this;if(!e.name)throw new Error("Plugin does not have a name!");if(!e.instance)throw new Error("Plugin "+e.name+" does not have an instance property!");e.staticProps&&Object.keys(e.staticProps).forEach(function(r){t[r]=e.staticProps[r]});var r=e.instance;return Object.getOwnPropertyNames(l.Observer.prototype).forEach(function(e){r.prototype[e]=l.Observer.prototype[e]}),this[e.name]=new r(e.params||{},this),this.fireEvent("plugin-added",e.name),this}},{key:"initPlugin",value:function(e){if(!this[e])throw new Error("Plugin "+e+" has not been added yet!");return this.initialisedPluginList[e]&&this.destroyPlugin(e),this[e].init(),this.initialisedPluginList[e]=!0,this.fireEvent("plugin-initialised",e),this}},{key:"destroyPlugin",value:function(e){if(!this[e])throw new Error("Plugin "+e+" has not been added yet and cannot be destroyed!");if(!this.initialisedPluginList[e])throw new Error("Plugin "+e+" is not active and cannot be destroyed!");if("function"!=typeof this[e].destroy)throw new Error("Plugin "+e+" does not have a destroy function!");return this[e].destroy(),delete this.initialisedPluginList[e],this.fireEvent("plugin-destroyed",e),this}},{key:"destroyAllPlugins",value:function(){var e=this;Object.keys(this.initialisedPluginList).forEach(function(t){return e.destroyPlugin(t)})}},{key:"createDrawer",value:function(){var e=this;this.drawer=new this.Drawer(this.container,this.params),this.drawer.init(),this.fireEvent("drawer-created",this.drawer),!1!==this.params.responsive&&(window.addEventListener("resize",this._onResize,!0),window.addEventListener("orientationchange",this._onResize,!0)),this.drawer.on("redraw",function(){e.drawBuffer(),e.drawer.progress(e.backend.getPlayedPercents())}),this.drawer.on("click",function(t,r){setTimeout(function(){return e.seekTo(r)},0)}),this.drawer.on("scroll",function(t){e.params.partialRender&&e.drawBuffer(),e.fireEvent("scroll",t)})}},{key:"createBackend",value:function(){var e=this;this.backend&&this.backend.destroy(),"AudioElement"==this.params.backend&&(this.params.backend="MediaElement"),"WebAudio"!=this.params.backend||this.Backend.prototype.supportsWebAudio.call(null)||(this.params.backend="MediaElement"),this.backend=new this.Backend(this.params),this.backend.init(),this.fireEvent("backend-created",this.backend),this.backend.on("finish",function(){return e.fireEvent("finish")}),this.backend.on("play",function(){return e.fireEvent("play")}),this.backend.on("pause",function(){return e.fireEvent("pause")}),this.backend.on("audioprocess",function(t){e.drawer.progress(e.backend.getPlayedPercents()),e.fireEvent("audioprocess",t)})}},{key:"createPeakCache",value:function(){this.params.partialRender&&(this.peakCache=new m.default)}},{key:"getDuration",value:function(){return this.backend.getDuration()}},{key:"getCurrentTime",value:function(){return this.backend.getCurrentTime()}},{key:"setCurrentTime",value:function(e){e>=this.getDuration()?this.seekTo(1):this.seekTo(e/this.getDuration())}},{key:"play",value:function(e,t){var r=this;return this.fireEvent("interaction",function(){return r.play(e,t)}),this.backend.play(e,t)}},{key:"pause",value:function(){if(!this.backend.isPaused())return this.backend.pause()}},{key:"playPause",value:function(){return this.backend.isPaused()?this.play():this.pause()}},{key:"isPlaying",value:function(){return!this.backend.isPaused()}},{key:"skipBackward",value:function(e){this.skip(-e||-this.params.skipLength)}},{key:"skipForward",value:function(e){this.skip(e||this.params.skipLength)}},{key:"skip",value:function(e){var t=this.getDuration()||1,r=this.getCurrentTime()||0;r=Math.max(0,Math.min(t,r+(e||0))),this.seekAndCenter(r/t)}},{key:"seekAndCenter",value:function(e){this.seekTo(e),this.drawer.recenter(e)}},{key:"seekTo",value:function(e){var t=this;if("number"!=typeof e||!isFinite(e)||e<0||e>1)return console.error("Error calling wavesurfer.seekTo, parameter must be a number between 0 and 1!");this.fireEvent("interaction",function(){return t.seekTo(e)});var r=this.backend.isPaused();r||this.backend.pause();var n=this.params.scrollParent;this.params.scrollParent=!1,this.backend.seekTo(e*this.getDuration()),this.drawer.progress(e),r||this.backend.play(),this.params.scrollParent=n,this.fireEvent("seek",e)}},{key:"stop",value:function(){this.pause(),this.seekTo(0),this.drawer.progress(0)}},{key:"setSinkId",value:function(e){return this.backend.setSinkId(e)}},{key:"setVolume",value:function(e){this.backend.setVolume(e)}},{key:"getVolume",value:function(){return this.backend.getVolume()}},{key:"setPlaybackRate",value:function(e){this.backend.setPlaybackRate(e)}},{key:"getPlaybackRate",value:function(){return this.backend.getPlaybackRate()}},{key:"toggleMute",value:function(){this.setMute(!this.isMuted)}},{key:"setMute",value:function(e){e!==this.isMuted&&(e?(this.savedVolume=this.backend.getVolume(),this.backend.setVolume(0),this.isMuted=!0):(this.backend.setVolume(this.savedVolume),this.isMuted=!1))}},{key:"getMute",value:function(){return this.isMuted}},{key:"isReady",value:function(){return this.isReady}},{key:"getFilters",value:function(){return this.backend.filters||[]}},{key:"toggleScroll",value:function(){this.params.scrollParent=!this.params.scrollParent,this.drawBuffer()}},{key:"toggleInteraction",value:function(){this.params.interact=!this.params.interact}},{key:"getWaveColor",value:function(){return this.params.waveColor}},{key:"setWaveColor",value:function(e){this.params.waveColor=e,this.drawBuffer()}},{key:"getProgressColor",value:function(){return this.params.progressColor}},{key:"setProgressColor",value:function(e){this.params.progressColor=e,this.drawBuffer()}},{key:"getCursorColor",value:function(){return this.params.cursorColor}},{key:"setCursorColor",value:function(e){this.params.cursorColor=e,this.drawer.updateCursor()}},{key:"getHeight",value:function(){return this.params.height}},{key:"setHeight",value:function(e){this.params.height=e,this.drawer.setHeight(e*this.params.pixelRatio),this.drawBuffer()}},{key:"drawBuffer",value:function(){var e=Math.round(this.getDuration()*this.params.minPxPerSec*this.params.pixelRatio),t=this.drawer.getWidth(),r=e,n=this.drawer.getScrollX(),a=Math.max(n+t,r);this.params.fillParent&&(!this.params.scrollParent||e<t)&&(r=t,n=0,a=r);var i=void 0;if(this.params.partialRender){var s=this.peakCache.addRangeToPeakCache(r,n,a),o=void 0;for(o=0;o<s.length;o++)i=this.backend.getPeaks(r,s[o][0],s[o][1]),this.drawer.drawPeaks(i,r,s[o][0],s[o][1])}else i=this.backend.getPeaks(r,n,a),this.drawer.drawPeaks(i,r,n,a);this.fireEvent("redraw",i,r)}},{key:"zoom",value:function(e){e?(this.params.minPxPerSec=e,this.params.scrollParent=!0):(this.params.minPxPerSec=this.defaultParams.minPxPerSec,this.params.scrollParent=!1),this.drawBuffer(),this.drawer.progress(this.backend.getPlayedPercents()),this.drawer.recenter(this.getCurrentTime()/this.getDuration()),this.fireEvent("zoom",e)}},{key:"loadArrayBuffer",value:function(e){var t=this;this.decodeArrayBuffer(e,function(e){t.isDestroyed||t.loadDecodedBuffer(e)})}},{key:"loadDecodedBuffer",value:function(e){this.backend.load(e),this.drawBuffer(),this.fireEvent("ready"),this.isReady=!0}},{key:"loadBlob",value:function(e){var t=this,r=new FileReader;r.addEventListener("progress",function(e){return t.onProgress(e)}),r.addEventListener("load",function(e){return t.loadArrayBuffer(e.target.result)}),r.addEventListener("error",function(){return t.fireEvent("error","Error reading file")}),r.readAsArrayBuffer(e),this.empty()}},{key:"load",value:function(e,t,r,n){if(this.empty(),r){var a={"Preload is not 'auto', 'none' or 'metadata'":-1===["auto","metadata","none"].indexOf(r),"Peaks are not provided":!t,"Backend is not of type MediaElement":"MediaElement"!==this.params.backend,"Url is not of type string":"string"!=typeof e},i=Object.keys(a).filter(function(e){return a[e]});i.length&&(console.warn("Preload parameter of wavesurfer.load will be ignored because:\n\t- "+i.join("\n\t- ")),r=null)}switch(this.params.backend){case"WebAudio":return this.loadBuffer(e,t,n);case"MediaElement":return this.loadMediaElement(e,t,r,n)}}},{key:"loadBuffer",value:function(e,t,r){var n=this,a=function(t){return t&&n.tmpEvents.push(n.once("ready",t)),n.getArrayBuffer(e,function(e){return n.loadArrayBuffer(e)})};if(!t)return a();this.backend.setPeaks(t,r),this.drawBuffer(),this.tmpEvents.push(this.once("interaction",a))}},{key:"loadMediaElement",value:function(e,t,r,n){var a=this,i=e;if("string"==typeof e)this.backend.load(i,this.mediaContainer,t,r);else{var s=e;this.backend.loadElt(s,t),i=s.src}this.tmpEvents.push(this.backend.once("canplay",function(){a.drawBuffer(),a.fireEvent("ready"),a.isReady=!0}),this.backend.once("error",function(e){return a.fireEvent("error",e)})),t&&this.backend.setPeaks(t,n),t&&!this.params.forceDecode||!this.backend.supportsWebAudio()||this.getArrayBuffer(i,function(e){a.decodeArrayBuffer(e,function(e){a.backend.buffer=e,a.backend.setPeaks(null),a.drawBuffer(),a.fireEvent("waveform-ready")})})}},{key:"decodeArrayBuffer",value:function(e,t){var r=this;this.arraybuffer=e,this.backend.decodeArrayBuffer(e,function(n){r.isDestroyed||r.arraybuffer!=e||(t(n),r.arraybuffer=null)},function(){return r.fireEvent("error","Error decoding audiobuffer")})}},{key:"getArrayBuffer",value:function(e,t){var r=this,n=l.ajax({url:e,responseType:"arraybuffer",xhr:this.params.xhr});return this.currentAjax=n,this.tmpEvents.push(n.on("progress",function(e){r.onProgress(e)}),n.on("success",function(e,n){t(e),r.currentAjax=null}),n.on("error",function(e){r.fireEvent("error","XHR error: "+e.target.statusText),r.currentAjax=null})),n}},{key:"onProgress",value:function(e){var t=void 0;t=e.lengthComputable?e.loaded/e.total:e.loaded/(e.loaded+1e6),this.fireEvent("loading",Math.round(100*t),e.target)}},{key:"exportPCM",value:function(e,t,r,n){e=e||1024,n=n||0,t=t||1e4,r=r||!1;var a=this.backend.getPeaks(e,n),i=[].map.call(a,function(e){return Math.round(e*t)/t}),s=JSON.stringify(i);return r||window.open("data:application/json;charset=utf-8,"+encodeURIComponent(s)),s}},{key:"exportImage",value:function(e,t){return e||(e="image/png"),t||(t=1),this.drawer.getImage(e,t)}},{key:"cancelAjax",value:function(){this.currentAjax&&(this.currentAjax.xhr.abort(),this.currentAjax=null)}},{key:"clearTmpEvents",value:function(){this.tmpEvents.forEach(function(e){return e.un()})}},{key:"empty",value:function(){this.backend.isPaused()||(this.stop(),this.backend.disconnectSource()),this.cancelAjax(),this.clearTmpEvents(),this.drawer.progress(0),this.drawer.setWidth(0),this.drawer.drawPeaks({length:this.drawer.getWidth()},0)}},{key:"destroy",value:function(){this.destroyAllPlugins(),this.fireEvent("destroy"),this.cancelAjax(),this.clearTmpEvents(),this.unAll(),!1!==this.params.responsive&&(window.removeEventListener("resize",this._onResize,!0),window.removeEventListener("orientationchange",this._onResize,!0)),this.backend.destroy(),this.drawer.destroy(),this.isDestroyed=!0,this.arraybuffer=null}}]),t}(l.Observer));k.util=l,t.default=k,e.exports=t.default},function(e,t,r){"use strict";function n(e){var t=new i.default,r=new XMLHttpRequest,n=!1;return r.open(e.method||"GET",e.url,!0),r.responseType=e.responseType||"json",e.xhr&&(e.xhr.requestHeaders&&e.xhr.requestHeaders.forEach(function(e){r.setRequestHeader(e.key,e.value)}),e.xhr.withCredentials&&(r.withCredentials=!0)),r.addEventListener("progress",function(e){t.fireEvent("progress",e),e.lengthComputable&&e.loaded==e.total&&(n=!0)}),r.addEventListener("load",function(e){n||t.fireEvent("progress",e),t.fireEvent("load",e),200==r.status||206==r.status?t.fireEvent("success",r.response,e):t.fireEvent("error",e)}),r.addEventListener("error",function(e){return t.fireEvent("error",e)}),r.send(),t.xhr=r,t}Object.defineProperty(t,"__esModule",{value:!0}),t.default=n;var a=r(1),i=function(e){return e&&e.__esModule?e:{default:e}}(a);e.exports=t.default},function(e,t,r){"use strict";function n(){return"wavesurfer_"+Math.random().toString(32).substring(2)}Object.defineProperty(t,"__esModule",{value:!0}),t.default=n,e.exports=t.default},function(e,t,r){"use strict";function n(e){var t=-1/0;return Object.keys(e).forEach(function(r){e[r]>t&&(t=e[r])}),t}Object.defineProperty(t,"__esModule",{value:!0}),t.default=n,e.exports=t.default},function(e,t,r){"use strict";function n(e){var t=Number(1/0);return Object.keys(e).forEach(function(r){e[r]<t&&(t=e[r])}),t}Object.defineProperty(t,"__esModule",{value:!0}),t.default=n,e.exports=t.default},function(e,t,r){"use strict";function n(e){for(var t=arguments.length,r=Array(t>1?t-1:0),n=1;n<t;n++)r[n-1]=arguments[n];return r.forEach(function(t){Object.keys(t).forEach(function(r){e[r]=t[r]})}),e}Object.defineProperty(t,"__esModule",{value:!0}),t.default=n,e.exports=t.default},function(e,t,r){"use strict";function n(e,t){return Object.keys(t).forEach(function(r){e.style[r]!==t[r]&&(e.style[r]=t[r])}),e}Object.defineProperty(t,"__esModule",{value:!0}),t.default=n,e.exports=t.default},function(e,t,r){"use strict";function n(e){return function(){for(var t=arguments.length,r=Array(t),n=0;n<t;n++)r[n]=arguments[n];return(0,i.default)(function(){return e.apply(void 0,r)})}}Object.defineProperty(t,"__esModule",{value:!0}),t.default=n;var a=r(2),i=function(e){return e&&e.__esModule?e:{default:e}}(a);e.exports=t.default},function(e,t){e.exports=function(e,t,r){function n(){var l=Date.now()-o;l<t&&l>=0?a=setTimeout(n,t-l):(a=null,r||(u=e.apply(s,i),s=i=null))}var a,i,s,o,u;null==t&&(t=100);var l=function(){s=this,i=arguments,o=Date.now();var l=r&&!a;return a||(a=setTimeout(n,t)),l&&(u=e.apply(s,i),s=i=null),u};return l.clear=function(){a&&(clearTimeout(a),a=null)},l.flush=function(){a&&(u=e.apply(s,i),s=i=null,clearTimeout(a),a=null)},l}},function(e,t,r){"use strict";function n(e){e.stopPropagation(),document.body.removeEventListener("click",n,!0)}function a(e){document.body.addEventListener("click",n,!0)}Object.defineProperty(t,"__esModule",{value:!0}),t.default=a,e.exports=t.default},function(e,t,r){"use strict";function n(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function a(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t}function i(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):e.__proto__=t)}Object.defineProperty(t,"__esModule",{value:!0});var s=function(){function e(e,t){for(var r=0;r<t.length;r++){var n=t[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}return function(t,r,n){return r&&e(t.prototype,r),n&&e(t,n),t}}(),o=r(15),u=function(e){return e&&e.__esModule?e:{default:e}}(o),l=r(0),c=function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var r in e)Object.prototype.hasOwnProperty.call(e,r)&&(t[r]=e[r]);return t.default=e,t}(l),h=function(e){function t(e,r){n(this,t);var i=a(this,(t.__proto__||Object.getPrototypeOf(t)).call(this,e,r));return i.maxCanvasWidth=r.maxCanvasWidth,i.maxCanvasElementWidth=Math.round(r.maxCanvasWidth/r.pixelRatio),i.hasProgressCanvas=r.waveColor!=r.progressColor,i.halfPixel=.5/r.pixelRatio,i.canvases=[],i.progressWave=null,i}return i(t,e),s(t,[{key:"init",value:function(){this.createWrapper(),this.createElements()}},{key:"createElements",value:function(){this.progressWave=this.wrapper.appendChild(this.style(document.createElement("wave"),{position:"absolute",zIndex:3,left:0,top:0,bottom:0,overflow:"hidden",width:"0",display:"none",boxSizing:"border-box",borderRightStyle:"solid",pointerEvents:"none"})),this.addCanvas(),this.updateCursor()}},{key:"updateCursor",value:function(){this.style(this.progressWave,{borderRightWidth:this.params.cursorWidth+"px",borderRightColor:this.params.cursorColor})}},{key:"updateSize",value:function(){for(var e=this,t=Math.round(this.width/this.params.pixelRatio),r=Math.ceil(t/this.maxCanvasElementWidth);this.canvases.length<r;)this.addCanvas();for(;this.canvases.length>r;)this.removeCanvas();this.canvases.forEach(function(t,r){var n=e.maxCanvasWidth+2*Math.ceil(e.params.pixelRatio/2);r==e.canvases.length-1&&(n=e.width-e.maxCanvasWidth*(e.canvases.length-1)),e.updateDimensions(t,n,e.height),e.clearWaveForEntry(t)})}},{key:"addCanvas",value:function(){var e={},t=this.maxCanvasElementWidth*this.canvases.length;e.wave=this.wrapper.appendChild(this.style(document.createElement("canvas"),{position:"absolute",zIndex:2,left:t+"px",top:0,bottom:0,height:"100%",pointerEvents:"none"})),e.waveCtx=e.wave.getContext("2d"),this.hasProgressCanvas&&(e.progress=this.progressWave.appendChild(this.style(document.createElement("canvas"),{position:"absolute",left:t+"px",top:0,bottom:0,height:"100%"})),e.progressCtx=e.progress.getContext("2d")),this.canvases.push(e)}},{key:"removeCanvas",value:function(){var e=this.canvases.pop();e.wave.parentElement.removeChild(e.wave),this.hasProgressCanvas&&e.progress.parentElement.removeChild(e.progress)}},{key:"updateDimensions",value:function(e,t,r){var n=Math.round(t/this.params.pixelRatio),a=Math.round(this.width/this.params.pixelRatio);e.start=e.waveCtx.canvas.offsetLeft/a||0,e.end=e.start+n/a,e.waveCtx.canvas.width=t,e.waveCtx.canvas.height=r,this.style(e.waveCtx.canvas,{width:n+"px"}),this.style(this.progressWave,{display:"block"}),this.hasProgressCanvas&&(e.progressCtx.canvas.width=t,e.progressCtx.canvas.height=r,this.style(e.progressCtx.canvas,{width:n+"px"}))}},{key:"clearWave",value:function(){var e=this;this.canvases.forEach(function(t){return e.clearWaveForEntry(t)})}},{key:"clearWaveForEntry",value:function(e){e.waveCtx.clearRect(0,0,e.waveCtx.canvas.width,e.waveCtx.canvas.height),this.hasProgressCanvas&&e.progressCtx.clearRect(0,0,e.progressCtx.canvas.width,e.progressCtx.canvas.height)}},{key:"drawBars",value:function(e,t,r,n){var a=this;return this.prepareDraw(e,t,r,n,function(e){var t=e.absmax,i=e.hasMinVals,s=(e.height,e.offsetY),o=e.halfH,u=e.peaks;if(void 0!==r){var l=i?2:1,c=u.length/l,h=a.params.barWidth*a.params.pixelRatio,f=null===a.params.barGap?Math.max(a.params.pixelRatio,~~(h/2)):Math.max(a.params.pixelRatio,a.params.barGap*a.params.pixelRatio),d=h+f,p=c/a.width,v=r,y=n,m=void 0;for(m=v;m<y;m+=d){var k=u[Math.floor(m*p*l)]||0,g=Math.round(k/t*o);a.fillRect(m+a.halfPixel,o-g+s,h+a.halfPixel,2*g)}}})}},{key:"drawWave",value:function(e,t,r,n){var a=this;return this.prepareDraw(e,t,r,n,function(e){var t=e.absmax,i=e.hasMinVals,s=(e.height,e.offsetY),o=e.halfH,u=e.peaks;if(!i){var l=[],c=u.length,h=void 0;for(h=0;h<c;h++)l[2*h]=u[h],l[2*h+1]=-u[h];u=l}void 0!==r&&a.drawLine(u,t,o,s,r,n),a.fillRect(0,o+s-a.halfPixel,a.width,a.halfPixel)})}},{key:"drawLine",value:function(e,t,r,n,a,i){var s=this;this.canvases.forEach(function(o){s.setFillStyles(o),s.drawLineToContext(o,o.waveCtx,e,t,r,n,a,i),s.drawLineToContext(o,o.progressCtx,e,t,r,n,a,i)})}},{key:"drawLineToContext",value:function(e,t,r,n,a,i,s,o){if(t){var u=r.length/2,l=this.params.fillParent&&this.width!=u?this.width/u:1,c=Math.round(u*e.start),h=Math.round(u*e.end)+1;if(!(c>o||h<s)){var f=Math.min(c,s),d=Math.max(h,o),p=void 0,v=void 0;for(t.beginPath(),t.moveTo((f-c)*l+this.halfPixel,a+i),p=f;p<d;p++){var y=r[2*p]||0,m=Math.round(y/n*a);t.lineTo((p-c)*l+this.halfPixel,a-m+i)}for(v=d-1;v>=f;v--){var k=r[2*v+1]||0,g=Math.round(k/n*a);t.lineTo((v-c)*l+this.halfPixel,a-g+i)}t.closePath(),t.fill()}}}},{key:"fillRect",value:function(e,t,r,n){var a=Math.floor(e/this.maxCanvasWidth),i=Math.min(Math.ceil((e+r)/this.maxCanvasWidth)+1,this.canvases.length),s=void 0;for(s=a;s<i;s++){var o=this.canvases[s],u=s*this.maxCanvasWidth,l={x1:Math.max(e,s*this.maxCanvasWidth),y1:t,x2:Math.min(e+r,s*this.maxCanvasWidth+o.waveCtx.canvas.width),y2:t+n};l.x1<l.x2&&(this.setFillStyles(o),this.fillRectToContext(o.waveCtx,l.x1-u,l.y1,l.x2-l.x1,l.y2-l.y1),this.fillRectToContext(o.progressCtx,l.x1-u,l.y1,l.x2-l.x1,l.y2-l.y1))}}},{key:"prepareDraw",value:function(e,t,r,n,a){var i=this;return c.frame(function(){if(e[0]instanceof Array){var s=e;if(i.params.splitChannels)return i.setHeight(s.length*i.params.height*i.params.pixelRatio),s.forEach(function(e,t){return i.prepareDraw(e,t,r,n,a)});e=s[0]}var o=1/i.params.barHeight;if(i.params.normalize){var u=c.max(e),l=c.min(e);o=-l>u?-l:u}var h=[].some.call(e,function(e){return e<0}),f=i.params.height*i.params.pixelRatio;return a({absmax:o,hasMinVals:h,height:f,offsetY:f*t||0,halfH:f/2,peaks:e})})()}},{key:"fillRectToContext",value:function(e,t,r,n,a){e&&e.fillRect(t,r,n,a)}},{key:"setFillStyles",value:function(e){e.waveCtx.fillStyle=this.params.waveColor,this.hasProgressCanvas&&(e.progressCtx.fillStyle=this.params.progressColor)}},{key:"getImage",value:function(e,t){var r=this.canvases.map(function(r){return r.wave.toDataURL(e,t)});return r.length>1?r:r[0]}},{key:"updateProgress",value:function(e){this.style(this.progressWave,{width:e+"px"})}}]),t}(u.default);t.default=h,e.exports=t.default},function(e,t,r){"use strict";function n(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function a(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t}function i(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):e.__proto__=t)}Object.defineProperty(t,"__esModule",{value:!0});var s=function(){function e(e,t){for(var r=0;r<t.length;r++){var n=t[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}return function(t,r,n){return r&&e(t.prototype,r),n&&e(t,n),t}}(),o=r(0),u=function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var r in e)Object.prototype.hasOwnProperty.call(e,r)&&(t[r]=e[r]);return t.default=e,t}(o),l=function(e){function t(e,r){n(this,t);var i=a(this,(t.__proto__||Object.getPrototypeOf(t)).call(this));return i.container=e,i.params=r,i.width=0,i.height=r.height*i.params.pixelRatio,i.lastPos=0,i.wrapper=null,i}return i(t,e),s(t,[{key:"style",value:function(e,t){return u.style(e,t)}},{key:"createWrapper",value:function(){this.wrapper=this.container.appendChild(document.createElement("wave")),this.style(this.wrapper,{display:"block",position:"relative",userSelect:"none",webkitUserSelect:"none",height:this.params.height+"px"}),(this.params.fillParent||this.params.scrollParent)&&this.style(this.wrapper,{width:"100%",overflowX:this.params.hideScrollbar?"hidden":"auto",overflowY:"hidden"}),this.setupWrapperEvents()}},{key:"handleEvent",value:function(e,t){!t&&e.preventDefault();var r=e.targetTouches?e.targetTouches[0].clientX:e.clientX,n=this.wrapper.getBoundingClientRect(),a=this.width,i=this.getWidth(),s=void 0;return!this.params.fillParent&&a<i?(s=(r-n.left)*this.params.pixelRatio/a||0)>1&&(s=1):s=(r-n.left+this.wrapper.scrollLeft)/this.wrapper.scrollWidth||0,s}},{key:"setupWrapperEvents",value:function(){var e=this;this.wrapper.addEventListener("click",function(t){var r=e.wrapper.offsetHeight-e.wrapper.clientHeight;if(0!=r){var n=e.wrapper.getBoundingClientRect();if(t.clientY>=n.bottom-r)return}e.params.interact&&e.fireEvent("click",t,e.handleEvent(t))}),this.wrapper.addEventListener("scroll",function(t){return e.fireEvent("scroll",t)})}},{key:"drawPeaks",value:function(e,t,r,n){this.setWidth(t)||this.clearWave(),this.params.barWidth?this.drawBars(e,0,r,n):this.drawWave(e,0,r,n)}},{key:"resetScroll",value:function(){null!==this.wrapper&&(this.wrapper.scrollLeft=0)}},{key:"recenter",value:function(e){var t=this.wrapper.scrollWidth*e;this.recenterOnPosition(t,!0)}},{key:"recenterOnPosition",value:function(e,t){var r=this.wrapper.scrollLeft,n=~~(this.wrapper.clientWidth/2),a=this.wrapper.scrollWidth-this.wrapper.clientWidth,i=e-n,s=i-r;if(0!=a){if(!t&&-n<=s&&s<n){s=Math.max(-5,Math.min(5,s)),i=r+s}i=Math.max(0,Math.min(a,i)),i!=r&&(this.wrapper.scrollLeft=i)}}},{key:"getScrollX",value:function(){var e=this.params.pixelRatio,t=Math.round(this.wrapper.scrollLeft*e);if(this.params.scrollParent){var r=~~(this.wrapper.scrollWidth*e-this.getWidth());t=Math.min(r,Math.max(0,t))}return t}},{key:"getWidth",value:function(){return Math.round(this.container.clientWidth*this.params.pixelRatio)}},{key:"setWidth",value:function(e){return this.width!=e&&(this.width=e,this.params.fillParent||this.params.scrollParent?this.style(this.wrapper,{width:""}):this.style(this.wrapper,{width:~~(this.width/this.params.pixelRatio)+"px"}),this.updateSize(),!0)}},{key:"setHeight",value:function(e){return e!=this.height&&(this.height=e,this.style(this.wrapper,{height:~~(this.height/this.params.pixelRatio)+"px"}),this.updateSize(),!0)}},{key:"progress",value:function(e){var t=1/this.params.pixelRatio,r=Math.round(e*this.width)*t;if(r<this.lastPos||r-this.lastPos>=t){if(this.lastPos=r,this.params.scrollParent&&this.params.autoCenter){var n=~~(this.wrapper.scrollWidth*e);this.recenterOnPosition(n)}this.updateProgress(r)}}},{key:"destroy",value:function(){this.unAll(),this.wrapper&&(this.wrapper.parentNode==this.container&&this.container.removeChild(this.wrapper),this.wrapper=null)}},{key:"updateCursor",value:function(){}},{key:"updateSize",value:function(){}},{key:"drawBars",value:function(e,t,r,n){}},{key:"drawWave",value:function(e,t,r,n){}},{key:"clearWave",value:function(){}},{key:"updateProgress",value:function(e){}}]),t}(u.Observer);t.default=l,e.exports=t.default},function(e,t,r){"use strict";function n(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function a(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t}function i(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):e.__proto__=t)}Object.defineProperty(t,"__esModule",{value:!0});var s=function(){function e(e,t){for(var r=0;r<t.length;r++){var n=t[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}return function(t,r,n){return r&&e(t.prototype,r),n&&e(t,n),t}}(),o=function e(t,r,n){null===t&&(t=Function.prototype);var a=Object.getOwnPropertyDescriptor(t,r);if(void 0===a){var i=Object.getPrototypeOf(t);return null===i?void 0:e(i,r,n)}if("value"in a)return a.value;var s=a.get;if(void 0!==s)return s.call(n)},u=r(3),l=function(e){return e&&e.__esModule?e:{default:e}}(u),c=r(0),h=(function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var r in e)Object.prototype.hasOwnProperty.call(e,r)&&(t[r]=e[r]);t.default=e}(c),function(e){function t(e){n(this,t);var r=a(this,(t.__proto__||Object.getPrototypeOf(t)).call(this,e));return r.params=e,r.media={currentTime:0,duration:0,paused:!0,playbackRate:1,play:function(){},pause:function(){},volume:0},r.mediaType=e.mediaType.toLowerCase(),r.elementPosition=e.elementPosition,r.peaks=null,r.playbackRate=1,r.volume=1,r.buffer=null,r.onPlayEnd=null,r}return i(t,e),s(t,[{key:"init",value:function(){this.setPlaybackRate(this.params.audioRate),this.createTimer()}},{key:"createTimer",value:function(){var e=this,t=function t(){if(!e.isPaused()){e.fireEvent("audioprocess",e.getCurrentTime());(window.requestAnimationFrame||window.webkitRequestAnimationFrame)(t)}};this.on("play",t),this.on("pause",function(){e.fireEvent("audioprocess",e.getCurrentTime())})}},{key:"load",value:function(e,t,r,n){var a=document.createElement(this.mediaType);a.controls=this.params.mediaControls,a.autoplay=this.params.autoplay||!1,a.preload=null==n?"auto":n,a.src=e,a.style.width="100%";var i=t.querySelector(this.mediaType);i&&t.removeChild(i),t.appendChild(a),this._load(a,r)}},{key:"loadElt",value:function(e,t){e.controls=this.params.mediaControls,e.autoplay=this.params.autoplay||!1,this._load(e,t)}},{key:"_load",value:function(e,t){var r=this;"function"==typeof e.load&&e.load(),e.addEventListener("error",function(){r.fireEvent("error","Error loading media element")}),e.addEventListener("canplay",function(){r.fireEvent("canplay")}),e.addEventListener("ended",function(){r.fireEvent("finish")}),e.addEventListener("play",function(){r.fireEvent("play")}),e.addEventListener("pause",function(){r.fireEvent("pause")}),this.media=e,this.peaks=t,this.onPlayEnd=null,this.buffer=null,this.setPlaybackRate(this.playbackRate),this.setVolume(this.volume)}},{key:"isPaused",value:function(){return!this.media||this.media.paused}},{key:"getDuration",value:function(){if(this.explicitDuration)return this.explicitDuration;var e=(this.buffer||this.media).duration;return e>=1/0&&(e=this.media.seekable.end(0)),e}},{key:"getCurrentTime",value:function(){return this.media&&this.media.currentTime}},{key:"getPlayedPercents",value:function(){return this.getCurrentTime()/this.getDuration()||0}},{key:"getPlaybackRate",value:function(){return this.playbackRate||this.media.playbackRate}},{key:"setPlaybackRate",value:function(e){this.playbackRate=e||1,this.media.playbackRate=this.playbackRate}},{key:"seekTo",value:function(e){null!=e&&(this.media.currentTime=e),this.clearPlayEnd()}},{key:"play",value:function(e,t){this.seekTo(e);var r=this.media.play();return t&&this.setPlayEnd(t),r}},{key:"pause",value:function(){var e=void 0;return this.media&&(e=this.media.pause()),this.clearPlayEnd(),e}},{key:"setPlayEnd",value:function(e){var t=this;this._onPlayEnd=function(r){r>=e&&(t.pause(),t.seekTo(e))},this.on("audioprocess",this._onPlayEnd)}},{key:"clearPlayEnd",value:function(){this._onPlayEnd&&(this.un("audioprocess",this._onPlayEnd),this._onPlayEnd=null)}},{key:"getPeaks",value:function(e,r,n){return this.buffer?o(t.prototype.__proto__||Object.getPrototypeOf(t.prototype),"getPeaks",this).call(this,e,r,n):this.peaks||[]}},{key:"setSinkId",value:function(e){return e?this.media.setSinkId?this.media.setSinkId(e):Promise.reject(new Error("setSinkId is not supported in your browser")):Promise.reject(new Error("Invalid deviceId: "+e))}},{key:"getVolume",value:function(){return this.volume||this.media.volume}},{key:"setVolume",value:function(e){this.volume=e,this.media.volume=this.volume}},{key:"destroy",value:function(){this.pause(),this.unAll(),this.params.removeMediaElementOnDestroy&&this.media&&this.media.parentNode&&this.media.parentNode.removeChild(this.media),this.media=null}}]),t}(l.default));t.default=h,e.exports=t.default},function(e,t,r){"use strict";function n(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(t,"__esModule",{value:!0});var a=function(){function e(e,t){for(var r=0;r<t.length;r++){var n=t[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}return function(t,r,n){return r&&e(t.prototype,r),n&&e(t,n),t}}(),i=function(){function e(){n(this,e),this.clearPeakCache()}return a(e,[{key:"clearPeakCache",value:function(){this.peakCacheRanges=[],this.peakCacheLength=-1}},{key:"addRangeToPeakCache",value:function(e,t,r){e!=this.peakCacheLength&&(this.clearPeakCache(),this.peakCacheLength=e);for(var n=[],a=0;a<this.peakCacheRanges.length&&this.peakCacheRanges[a]<t;)a++;for(a%2==0&&n.push(t);a<this.peakCacheRanges.length&&this.peakCacheRanges[a]<=r;)n.push(this.peakCacheRanges[a]),a++;a%2==0&&n.push(r),n=n.filter(function(e,t,r){return 0==t?e!=r[t+1]:t==r.length-1?e!=r[t-1]:e!=r[t-1]&&e!=r[t+1]}),this.peakCacheRanges=this.peakCacheRanges.concat(n),this.peakCacheRanges=this.peakCacheRanges.sort(function(e,t){return e-t}).filter(function(e,t,r){return 0==t?e!=r[t+1]:t==r.length-1?e!=r[t-1]:e!=r[t-1]&&e!=r[t+1]});var i=[];for(a=0;a<n.length;a+=2)i.push([n[a],n[a+1]]);return i}},{key:"getCacheRanges",value:function(){var e=[],t=void 0;for(t=0;t<this.peakCacheRanges.length;t+=2)e.push([this.peakCacheRanges[t],this.peakCacheRanges[t+1]]);return e}}]),e}();t.default=i,e.exports=t.default}])});
//# sourceMappingURL=wavesurfer.min.js.map