8 lines
69 KiB
JavaScript
8 lines
69 KiB
JavaScript
/*!
|
|
* wavesurfer.js 4.6.0 (2024-02-05)
|
|
* https://wavesurfer-js.org
|
|
* @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()}(this,(()=>{return e={328:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.default=void 0;var n=a(r(896)),i=a(r(144));function a(e){return e&&e.__esModule?e:{default:e}}function o(e){return o="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},o(e)}function s(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,u(n.key),n)}}function u(e){var t=function(e,t){if("object"!=o(e)||!e)return e;var r=e[Symbol.toPrimitive];if(void 0!==r){var n=r.call(e,t||"default");if("object"!=o(n))return n;throw new TypeError("@@toPrimitive must return a primitive value.")}return("string"===t?String:Number)(e)}(e,"string");return"symbol"==o(t)?t:String(t)}t.default=function(){function e(){!function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,e),this.wave=null,this.waveCtx=null,this.progress=null,this.progressCtx=null,this.start=0,this.end=1,this.id=(0,i.default)(void 0!==this.constructor.name?this.constructor.name.toLowerCase()+"_":"canvasentry_"),this.canvasContextAttributes={}}var t,r,a;return t=e,(r=[{key:"initWave",value:function(e){this.wave=e,this.waveCtx=this.wave.getContext("2d",this.canvasContextAttributes)}},{key:"initProgress",value:function(e){this.progress=e,this.progressCtx=this.progress.getContext("2d",this.canvasContextAttributes)}},{key:"updateDimensions",value:function(e,t,r,i){this.start=this.wave.offsetLeft/t||0,this.end=this.start+e/t,this.wave.width=r,this.wave.height=i;var a={width:e+"px"};(0,n.default)(this.wave,a),this.hasProgressCanvas&&(this.progress.width=r,this.progress.height=i,(0,n.default)(this.progress,a))}},{key:"clearWave",value:function(){this.waveCtx.clearRect(0,0,this.waveCtx.canvas.width,this.waveCtx.canvas.height),this.hasProgressCanvas&&this.progressCtx.clearRect(0,0,this.progressCtx.canvas.width,this.progressCtx.canvas.height)}},{key:"setFillStyles",value:function(e,t){this.waveCtx.fillStyle=e,this.hasProgressCanvas&&(this.progressCtx.fillStyle=t)}},{key:"fillRects",value:function(e,t,r,n,i){this.fillRectToContext(this.waveCtx,e,t,r,n,i),this.hasProgressCanvas&&this.fillRectToContext(this.progressCtx,e,t,r,n,i)}},{key:"fillRectToContext",value:function(e,t,r,n,i,a){e&&(a?this.drawRoundedRect(e,t,r,n,i,a):e.fillRect(t,r,n,i))}},{key:"drawRoundedRect",value:function(e,t,r,n,i,a){0!==i&&(i<0&&(r-=i*=-1),e.beginPath(),e.moveTo(t+a,r),e.lineTo(t+n-a,r),e.quadraticCurveTo(t+n,r,t+n,r+a),e.lineTo(t+n,r+i-a),e.quadraticCurveTo(t+n,r+i,t+n-a,r+i),e.lineTo(t+a,r+i),e.quadraticCurveTo(t,r+i,t,r+i-a),e.lineTo(t,r+a),e.quadraticCurveTo(t,r,t+a,r),e.closePath(),e.fill())}},{key:"drawLines",value:function(e,t,r,n,i,a){this.drawLineToContext(this.waveCtx,e,t,r,n,i,a),this.hasProgressCanvas&&this.drawLineToContext(this.progressCtx,e,t,r,n,i,a)}},{key:"drawLineToContext",value:function(e,t,r,n,i,a,o){if(e){var s,u,l,c=t.length/2,f=Math.round(c*this.start),h=f,d=Math.round(c*this.end)+1,p=this.wave.width/(d-h-1),y=n+i,v=r/n;for(e.beginPath(),e.moveTo((h-f)*p,y),e.lineTo((h-f)*p,y-Math.round((t[2*h]||0)/v)),s=h;s<d;s++)u=t[2*s]||0,l=Math.round(u/v),e.lineTo((s-f)*p+this.halfPixel,y-l);for(var m=d-1;m>=h;m--)u=t[2*m+1]||0,l=Math.round(u/v),e.lineTo((m-f)*p+this.halfPixel,y-l);e.lineTo((h-f)*p,y-Math.round((t[2*h+1]||0)/v)),e.closePath(),e.fill()}}},{key:"destroy",value:function(){this.waveCtx=null,this.wave=null,this.progressCtx=null,this.progress=null}},{key:"getImage",value:function(e,t,r){var n=this;return"blob"===r?new Promise((function(r){n.wave.toBlob(r,e,t)})):"dataURL"===r?this.wave.toDataURL(e,t):void 0}}])&&s(t.prototype,r),a&&s(t,a),Object.defineProperty(t,"prototype",{writable:!1}),e}(),e.exports=t.default},244:(e,t,r)=>{"use strict";function n(e){return n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},n(e)}Object.defineProperty(t,"__esModule",{value:!0}),t.default=void 0;var i=function(e,t){if(!t&&e&&e.__esModule)return e;if(null===e||"object"!=n(e)&&"function"!=typeof e)return{default:e};var r=a(t);if(r&&r.has(e))return r.get(e);var i={__proto__:null},o=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var s in e)if("default"!==s&&Object.prototype.hasOwnProperty.call(e,s)){var u=o?Object.getOwnPropertyDescriptor(e,s):null;u&&(u.get||u.set)?Object.defineProperty(i,s,u):i[s]=e[s]}return i.default=e,r&&r.set(e,i),i}(r(125));function a(e){if("function"!=typeof WeakMap)return null;var t=new WeakMap,r=new WeakMap;return(a=function(e){return e?r:t})(e)}function o(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,s(n.key),n)}}function s(e){var t=function(e,t){if("object"!=n(e)||!e)return e;var r=e[Symbol.toPrimitive];if(void 0!==r){var i=r.call(e,t||"default");if("object"!=n(i))return i;throw new TypeError("@@toPrimitive must return a primitive value.")}return("string"===t?String:Number)(e)}(e,"string");return"symbol"==n(t)?t:String(t)}function u(e,t,r){return t=c(t),function(e,t){if(t&&("object"===n(t)||"function"==typeof t))return t;if(void 0!==t)throw new TypeError("Derived constructors may only return object or undefined");return function(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}(e)}(e,l()?Reflect.construct(t,r||[],c(e).constructor):t.apply(e,r))}function l(){try{var e=!Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],(function(){})))}catch(e){}return(l=function(){return!!e})()}function c(e){return c=Object.setPrototypeOf?Object.getPrototypeOf.bind():function(e){return e.__proto__||Object.getPrototypeOf(e)},c(e)}function f(e,t){return f=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(e,t){return e.__proto__=t,e},f(e,t)}t.default=function(e){function t(e,r){var n;return function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,t),(n=u(this,t)).container=e,n.params=r,n.width=0,n.height=r.height*n.params.pixelRatio,n.lastPos=0,n.wrapper=null,n}var r,n,a;return function(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function");e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,writable:!0,configurable:!0}}),Object.defineProperty(e,"prototype",{writable:!1}),t&&f(e,t)}(t,e),r=t,(n=[{key:"style",value:function(e,t){return i.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,n=e.targetTouches?e.targetTouches[0].clientX:e.clientX,a=this.wrapper.getBoundingClientRect(),o=this.width,s=this.getWidth();return r=!this.params.fillParent&&o<s?(this.params.rtl?a.right-n:n-a.left)*(this.params.pixelRatio/o)||0:((this.params.rtl?a.right-n:n-a.left)+this.wrapper.scrollLeft)/this.wrapper.scrollWidth||0,i.clamp(r,0,1)}},{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("dblclick",(function(t){e.params.interact&&e.fireEvent("dblclick",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),i=this.wrapper.scrollWidth-this.wrapper.clientWidth,a=e-n,o=a-r;if(0!=i){if(!t&&-n<=o&&o<n){var s=this.params.autoCenterRate;s/=n,s*=i,a=r+(o=Math.max(-s,Math.min(s,o)))}(a=Math.max(0,Math.min(i,a)))!=r&&(this.wrapper.scrollLeft=a)}}},{key:"getScrollX",value:function(){var e=0;if(this.wrapper){var t=this.params.pixelRatio;if(e=Math.round(this.wrapper.scrollLeft*t),this.params.scrollParent){var r=~~(this.wrapper.scrollWidth*t-this.getWidth());e=Math.min(r,Math.max(0,e))}}return e}},{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.params.autoCenterImmediately)}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){}}])&&o(r.prototype,n),a&&o(r,a),Object.defineProperty(r,"prototype",{writable:!1}),t}(i.Observer),e.exports=t.default},148:(e,t,r)=>{"use strict";function n(e){return n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},n(e)}Object.defineProperty(t,"__esModule",{value:!0}),t.default=void 0;var i=u(r(244)),a=function(e,t){if(!t&&e&&e.__esModule)return e;if(null===e||"object"!=n(e)&&"function"!=typeof e)return{default:e};var r=s(t);if(r&&r.has(e))return r.get(e);var i={__proto__:null},a=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var o in e)if("default"!==o&&Object.prototype.hasOwnProperty.call(e,o)){var u=a?Object.getOwnPropertyDescriptor(e,o):null;u&&(u.get||u.set)?Object.defineProperty(i,o,u):i[o]=e[o]}return i.default=e,r&&r.set(e,i),i}(r(125)),o=u(r(328));function s(e){if("function"!=typeof WeakMap)return null;var t=new WeakMap,r=new WeakMap;return(s=function(e){return e?r:t})(e)}function u(e){return e&&e.__esModule?e:{default:e}}function l(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,c(n.key),n)}}function c(e){var t=function(e,t){if("object"!=n(e)||!e)return e;var r=e[Symbol.toPrimitive];if(void 0!==r){var i=r.call(e,t||"default");if("object"!=n(i))return i;throw new TypeError("@@toPrimitive must return a primitive value.")}return("string"===t?String:Number)(e)}(e,"string");return"symbol"==n(t)?t:String(t)}function f(e,t,r){return t=d(t),function(e,t){if(t&&("object"===n(t)||"function"==typeof t))return t;if(void 0!==t)throw new TypeError("Derived constructors may only return object or undefined");return function(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}(e)}(e,h()?Reflect.construct(t,r||[],d(e).constructor):t.apply(e,r))}function h(){try{var e=!Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],(function(){})))}catch(e){}return(h=function(){return!!e})()}function d(e){return d=Object.setPrototypeOf?Object.getPrototypeOf.bind():function(e){return e.__proto__||Object.getPrototypeOf(e)},d(e)}function p(e,t){return p=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(e,t){return e.__proto__=t,e},p(e,t)}t.default=function(e){function t(e,r){var n;return function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,t),(n=f(this,t,[e,r])).maxCanvasWidth=r.maxCanvasWidth,n.maxCanvasElementWidth=Math.round(r.maxCanvasWidth/r.pixelRatio),n.hasProgressCanvas=r.waveColor!=r.progressColor,n.halfPixel=.5/r.pixelRatio,n.canvases=[],n.progressWave=null,n.EntryClass=o.default,n.canvasContextAttributes=r.drawingContextAttributes,n.overlap=2*Math.ceil(r.pixelRatio/2),n.barRadius=r.barRadius||0,n}var r,n,i;return function(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function");e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,writable:!0,configurable:!0}}),Object.defineProperty(e,"prototype",{writable:!1}),t&&p(e,t)}(t,e),r=t,n=[{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.overlap));this.canvases.length<r;)this.addCanvas();for(;this.canvases.length>r;)this.removeCanvas();var n=this.maxCanvasWidth+this.overlap,i=this.canvases.length-1;this.canvases.forEach((function(t,r){r==i&&(n=e.width-e.maxCanvasWidth*i),e.updateDimensions(t,n,e.height),t.clearWave()}))}},{key:"addCanvas",value:function(){var e=new this.EntryClass;e.canvasContextAttributes=this.canvasContextAttributes,e.hasProgressCanvas=this.hasProgressCanvas,e.halfPixel=this.halfPixel;var t=this.maxCanvasElementWidth*this.canvases.length;e.initWave(this.wrapper.appendChild(this.style(document.createElement("canvas"),{position:"absolute",zIndex:2,left:t+"px",top:0,bottom:0,height:"100%",pointerEvents:"none"}))),this.hasProgressCanvas&&e.initProgress(this.progressWave.appendChild(this.style(document.createElement("canvas"),{position:"absolute",left:t+"px",top:0,bottom:0,height:"100%"}))),this.canvases.push(e)}},{key:"removeCanvas",value:function(){var e=this.canvases[this.canvases.length-1];e.wave.parentElement.removeChild(e.wave),this.hasProgressCanvas&&e.progress.parentElement.removeChild(e.progress),e&&(e.destroy(),e=null),this.canvases.pop()}},{key:"updateDimensions",value:function(e,t,r){var n=Math.round(t/this.params.pixelRatio),i=Math.round(this.width/this.params.pixelRatio);e.updateDimensions(n,i,t,r),this.style(this.progressWave,{display:"block"})}},{key:"clearWave",value:function(){var e=this;a.frame((function(){e.canvases.forEach((function(e){return e.clearWave()}))}))()}},{key:"drawBars",value:function(e,t,r,n){var i=this;return this.prepareDraw(e,t,r,n,(function(e){var t=e.absmax,a=e.hasMinVals,o=(e.height,e.offsetY),s=e.halfH,u=e.peaks,l=e.channelIndex;if(void 0!==r)for(var c=a?2:1,f=u.length/c,h=i.params.barWidth*i.params.pixelRatio,d=h+(null===i.params.barGap?Math.max(i.params.pixelRatio,~~(h/2)):Math.max(i.params.pixelRatio,i.params.barGap*i.params.pixelRatio)),p=f/i.width,y=n,v=r;v<y;v+=d){var m=u[Math.floor(v*p*c)]||0,b=Math.round(m/t*s);0==b&&i.params.barMinHeight&&(b=i.params.barMinHeight),i.fillRect(v+i.halfPixel,s-b+o,h+i.halfPixel,2*b,i.barRadius,l)}}))}},{key:"drawWave",value:function(e,t,r,n){var i=this;return this.prepareDraw(e,t,r,n,(function(e){var t=e.absmax,a=e.hasMinVals,o=(e.height,e.offsetY),s=e.halfH,u=e.peaks,l=e.channelIndex;if(!a){for(var c=[],f=u.length,h=0;h<f;h++)c[2*h]=u[h],c[2*h+1]=-u[h];u=c}void 0!==r&&i.drawLine(u,t,s,o,r,n,l),i.fillRect(0,s+o-i.halfPixel,i.width,i.halfPixel,i.barRadius,l)}))}},{key:"drawLine",value:function(e,t,r,n,i,a,o){var s=this,u=this.params.splitChannelsOptions.channelColors[o]||{},l=u.waveColor,c=u.progressColor;this.canvases.forEach((function(o,u){s.setFillStyles(o,l,c),o.drawLines(e,t,r,n,i,a)}))}},{key:"fillRect",value:function(e,t,r,n,i,a){for(var o=Math.floor(e/this.maxCanvasWidth),s=Math.min(Math.ceil((e+r)/this.maxCanvasWidth)+1,this.canvases.length),u=o;u<s;u++){var l=this.canvases[u],c=u*this.maxCanvasWidth,f={x1:Math.max(e,u*this.maxCanvasWidth),y1:t,x2:Math.min(e+r,u*this.maxCanvasWidth+l.wave.width),y2:t+n};if(f.x1<f.x2){var h=this.params.splitChannelsOptions.channelColors[a]||{},d=h.waveColor,p=h.progressColor;this.setFillStyles(l,d,p),l.fillRects(f.x1-c,f.y1,f.x2-f.x1,f.y2-f.y1,i)}}}},{key:"hideChannel",value:function(e){return this.params.splitChannels&&this.params.splitChannelsOptions.filterChannels.includes(e)}},{key:"prepareDraw",value:function(e,t,r,n,i,o,s){var u=this;return a.frame((function(){if(e[0]instanceof Array){var l=e;if(u.params.splitChannels){var c,f=l.filter((function(e,t){return!u.hideChannel(t)}));return u.params.splitChannelsOptions.overlay||u.setHeight(Math.max(f.length,1)*u.params.height*u.params.pixelRatio),u.params.splitChannelsOptions&&u.params.splitChannelsOptions.relativeNormalization&&(c=a.max(l.map((function(e){return a.absMax(e)})))),l.forEach((function(e,t){return u.prepareDraw(e,t,r,n,i,f.indexOf(e),c)}))}e=l[0]}if(!u.hideChannel(t)){var h=1/u.params.barHeight;u.params.normalize&&(h=void 0===s?a.absMax(e):s);var d=[].some.call(e,(function(e){return e<0})),p=u.params.height*u.params.pixelRatio,y=p/2,v=p*o||0;return u.params.splitChannelsOptions&&u.params.splitChannelsOptions.overlay&&(v=0),i({absmax:h,hasMinVals:d,height:p,offsetY:v,halfH:y,peaks:e,channelIndex:t})}}))()}},{key:"setFillStyles",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:this.params.waveColor,r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:this.params.progressColor;e.setFillStyles(t,r)}},{key:"getImage",value:function(e,t,r){if("blob"===r)return Promise.all(this.canvases.map((function(n){return n.getImage(e,t,r)})));if("dataURL"===r){var n=this.canvases.map((function(n){return n.getImage(e,t,r)}));return n.length>1?n:n[0]}}},{key:"updateProgress",value:function(e){this.style(this.progressWave,{width:e+"px"})}}],n&&l(r.prototype,n),i&&l(r,i),Object.defineProperty(r,"prototype",{writable:!1}),t}(i.default),e.exports=t.default},336:(e,t,r)=>{"use strict";function n(e){return n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},n(e)}Object.defineProperty(t,"__esModule",{value:!0}),t.default=void 0;var i,a=(i=r(152))&&i.__esModule?i:{default:i};function o(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,s(n.key),n)}}function s(e){var t=function(e,t){if("object"!=n(e)||!e)return e;var r=e[Symbol.toPrimitive];if(void 0!==r){var i=r.call(e,t||"default");if("object"!=n(i))return i;throw new TypeError("@@toPrimitive must return a primitive value.")}return("string"===t?String:Number)(e)}(e,"string");return"symbol"==n(t)?t:String(t)}function u(e,t,r){return t=f(t),function(e,t){if(t&&("object"===n(t)||"function"==typeof t))return t;if(void 0!==t)throw new TypeError("Derived constructors may only return object or undefined");return function(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}(e)}(e,l()?Reflect.construct(t,r||[],f(e).constructor):t.apply(e,r))}function l(){try{var e=!Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],(function(){})))}catch(e){}return(l=function(){return!!e})()}function c(){return c="undefined"!=typeof Reflect&&Reflect.get?Reflect.get.bind():function(e,t,r){var n=function(e,t){for(;!Object.prototype.hasOwnProperty.call(e,t)&&null!==(e=f(e)););return e}(e,t);if(n){var i=Object.getOwnPropertyDescriptor(n,t);return i.get?i.get.call(arguments.length<3?e:r):i.value}},c.apply(this,arguments)}function f(e){return f=Object.setPrototypeOf?Object.getPrototypeOf.bind():function(e){return e.__proto__||Object.getPrototypeOf(e)},f(e)}function h(e,t){return h=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(e,t){return e.__proto__=t,e},h(e,t)}t.default=function(e){function t(e){var r;return function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,t),(r=u(this,t,[e])).params=e,r.sourceMediaElement=null,r}var r,n,i;return function(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function");e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,writable:!0,configurable:!0}}),Object.defineProperty(e,"prototype",{writable:!1}),t&&h(e,t)}(t,e),r=t,(n=[{key:"init",value:function(){this.setPlaybackRate(this.params.audioRate),this.createTimer(),this.createVolumeNode(),this.createScriptNode(),this.createAnalyserNode()}},{key:"_load",value:function(e,r,n){c(f(t.prototype),"_load",this).call(this,e,r,n),this.createMediaElementSource(e)}},{key:"createMediaElementSource",value:function(e){this.sourceMediaElement=this.ac.createMediaElementSource(e),this.sourceMediaElement.connect(this.analyser)}},{key:"play",value:function(e,r){return this.resumeAudioContext(),c(f(t.prototype),"play",this).call(this,e,r)}},{key:"destroy",value:function(){c(f(t.prototype),"destroy",this).call(this),this.destroyWebAudio()}}])&&o(r.prototype,n),i&&o(r,i),Object.defineProperty(r,"prototype",{writable:!1}),t}(a.default),e.exports=t.default},152:(e,t,r)=>{"use strict";function n(e){return n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},n(e)}Object.defineProperty(t,"__esModule",{value:!0}),t.default=void 0;var i,a=(i=r(767))&&i.__esModule?i:{default:i},o=function(e,t){if(!t&&e&&e.__esModule)return e;if(null===e||"object"!=n(e)&&"function"!=typeof e)return{default:e};var r=s(t);if(r&&r.has(e))return r.get(e);var i={__proto__:null},a=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var o in e)if("default"!==o&&Object.prototype.hasOwnProperty.call(e,o)){var u=a?Object.getOwnPropertyDescriptor(e,o):null;u&&(u.get||u.set)?Object.defineProperty(i,o,u):i[o]=e[o]}return i.default=e,r&&r.set(e,i),i}(r(125));function s(e){if("function"!=typeof WeakMap)return null;var t=new WeakMap,r=new WeakMap;return(s=function(e){return e?r:t})(e)}function u(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,l(n.key),n)}}function l(e){var t=function(e,t){if("object"!=n(e)||!e)return e;var r=e[Symbol.toPrimitive];if(void 0!==r){var i=r.call(e,t||"default");if("object"!=n(i))return i;throw new TypeError("@@toPrimitive must return a primitive value.")}return("string"===t?String:Number)(e)}(e,"string");return"symbol"==n(t)?t:String(t)}function c(e,t,r){return t=d(t),function(e,t){if(t&&("object"===n(t)||"function"==typeof t))return t;if(void 0!==t)throw new TypeError("Derived constructors may only return object or undefined");return function(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}(e)}(e,f()?Reflect.construct(t,r||[],d(e).constructor):t.apply(e,r))}function f(){try{var e=!Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],(function(){})))}catch(e){}return(f=function(){return!!e})()}function h(){return h="undefined"!=typeof Reflect&&Reflect.get?Reflect.get.bind():function(e,t,r){var n=function(e,t){for(;!Object.prototype.hasOwnProperty.call(e,t)&&null!==(e=d(e)););return e}(e,t);if(n){var i=Object.getOwnPropertyDescriptor(n,t);return i.get?i.get.call(arguments.length<3?e:r):i.value}},h.apply(this,arguments)}function d(e){return d=Object.setPrototypeOf?Object.getPrototypeOf.bind():function(e){return e.__proto__||Object.getPrototypeOf(e)},d(e)}function p(e,t){return p=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(e,t){return e.__proto__=t,e},p(e,t)}t.default=function(e){function t(e){var r;return function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,t),(r=c(this,t,[e])).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.isMuted=!1,r.buffer=null,r.onPlayEnd=null,r.mediaListeners={},r}var r,n,i;return function(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function");e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,writable:!0,configurable:!0}}),Object.defineProperty(e,"prototype",{writable:!1}),t&&p(e,t)}(t,e),r=t,(n=[{key:"init",value:function(){this.setPlaybackRate(this.params.audioRate),this.createTimer()}},{key:"_setupMediaListeners",value:function(){var e=this;this.mediaListeners.error=function(){e.fireEvent("error","Error loading media element")},this.mediaListeners.canplay=function(){e.fireEvent("canplay")},this.mediaListeners.ended=function(){e.fireEvent("finish")},this.mediaListeners.play=function(){e.fireEvent("play")},this.mediaListeners.pause=function(){e.fireEvent("pause")},this.mediaListeners.seeked=function(t){e.fireEvent("seek")},this.mediaListeners.volumechange=function(t){e.isMuted=e.media.muted,e.isMuted?e.volume=0:e.volume=e.media.volume,e.fireEvent("volume")},Object.keys(this.mediaListeners).forEach((function(t){e.media.removeEventListener(t,e.mediaListeners[t]),e.media.addEventListener(t,e.mediaListeners[t])}))}},{key:"createTimer",value:function(){var e=this;this.on("play",(function t(){e.isPaused()||(e.fireEvent("audioprocess",e.getCurrentTime()),o.frame(t)())})),this.on("pause",(function(){e.fireEvent("audioprocess",e.getCurrentTime())}))}},{key:"load",value:function(e,t,r,n){var i=document.createElement(this.mediaType);i.controls=this.params.mediaControls,i.autoplay=this.params.autoplay||!1,i.preload=null==n?"auto":n,i.src=e,i.style.width="100%";var a=t.querySelector(this.mediaType);a&&t.removeChild(a),t.appendChild(i),this._load(i,r,n)}},{key:"loadElt",value:function(e,t){e.controls=this.params.mediaControls,e.autoplay=this.params.autoplay||!1,this._load(e,t,e.preload)}},{key:"_load",value:function(e,t,r){if(!(e instanceof HTMLMediaElement)||void 0===e.addEventListener)throw new Error("media parameter is not a valid media element");"function"!=typeof e.load||t&&"none"==r||e.load(),this.media=e,this._setupMediaListeners(),this.peaks=t,this.onPlayEnd=null,this.buffer=null,this.isMuted=e.muted,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;return this.media&&(e=this.media.pause()),this.clearPlayEnd(),e}},{key:"setPlayEnd",value:function(e){var t=this;this.clearPlayEnd(),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?h(d(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}},{key:"setVolume",value:function(e){this.volume=e,this.media.volume!==this.volume&&(this.media.volume=this.volume)}},{key:"setMute",value:function(e){this.isMuted=this.media.muted=e}},{key:"destroy",value:function(){var e=this;this.pause(),this.unAll(),this.destroyed=!0,Object.keys(this.mediaListeners).forEach((function(t){e.media&&e.media.removeEventListener(t,e.mediaListeners[t])})),this.params.removeMediaElementOnDestroy&&this.media&&this.media.parentNode&&this.media.parentNode.removeChild(this.media),this.media=null}}])&&u(r.prototype,n),i&&u(r,i),Object.defineProperty(r,"prototype",{writable:!1}),t}(a.default),e.exports=t.default},472:(e,t)=>{"use strict";function r(e){return r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},r(e)}function n(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,i(n.key),n)}}function i(e){var t=function(e,t){if("object"!=r(e)||!e)return e;var n=e[Symbol.toPrimitive];if(void 0!==n){var i=n.call(e,t||"default");if("object"!=r(i))return i;throw new TypeError("@@toPrimitive must return a primitive value.")}return("string"===t?String:Number)(e)}(e,"string");return"symbol"==r(t)?t:String(t)}Object.defineProperty(t,"__esModule",{value:!0}),t.default=void 0,t.default=function(){function e(){!function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,e),this.clearPeakCache()}var t,r,i;return t=e,(r=[{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=[],i=0;i<this.peakCacheRanges.length&&this.peakCacheRanges[i]<t;)i++;for(i%2==0&&n.push(t);i<this.peakCacheRanges.length&&this.peakCacheRanges[i]<=r;)n.push(this.peakCacheRanges[i]),i++;i%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 a=[];for(i=0;i<n.length;i+=2)a.push([n[i],n[i+1]]);return a}},{key:"getCacheRanges",value:function(){var e,t=[];for(e=0;e<this.peakCacheRanges.length;e+=2)t.push([this.peakCacheRanges[e],this.peakCacheRanges[e+1]]);return t}}])&&n(t.prototype,r),i&&n(t,i),Object.defineProperty(t,"prototype",{writable:!1}),e}(),e.exports=t.default},345:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.default=function(e){var t=(0,n.default)(e),r=(0,i.default)(e);return-r>t?-r:t};var n=a(r(264)),i=a(r(784));function a(e){return e&&e.__esModule?e:{default:e}}e.exports=t.default},96:(e,t)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.default=function(e,t,r){return Math.min(Math.max(t,e),r)},e.exports=t.default},192:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.default=function(e){if(!e)throw new Error("fetch options missing");if(!e.url)throw new Error("fetch url missing");var t=new i.default,r=new Headers,n=new Request(e.url);t.controller=new AbortController,e&&e.requestHeaders&&e.requestHeaders.forEach((function(e){r.append(e.key,e.value)}));var a=e.responseType||"json",o={method:e.method||"GET",headers:r,mode:e.mode||"cors",credentials:e.credentials||"same-origin",cache:e.cache||"default",redirect:e.redirect||"follow",referrer:e.referrer||"client",signal:t.controller.signal};return fetch(n,o).then((function(e){t.response=e;var r=!0;e.body||(r=!1);var n=e.headers.get("content-length");return null===n&&(r=!1),r?(t.onProgress=function(e){t.fireEvent("progress",e)},new Response(new ReadableStream(new u(t,n,e)),o)):e})).then((function(e){var t;if(e.ok)switch(a){case"arraybuffer":return e.arrayBuffer();case"json":return e.json();case"blob":return e.blob();case"text":return e.text();default:t="Unknown responseType: "+a}throw t||(t="HTTP error status: "+e.status),new Error(t)})).then((function(e){t.fireEvent("success",e)})).catch((function(e){t.fireEvent("error",e)})),t.fetchRequest=n,t};var n,i=(n=r(184))&&n.__esModule?n:{default:n};function a(e){return a="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},a(e)}function o(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,s(n.key),n)}}function s(e){var t=function(e,t){if("object"!=a(e)||!e)return e;var r=e[Symbol.toPrimitive];if(void 0!==r){var n=r.call(e,t||"default");if("object"!=a(n))return n;throw new TypeError("@@toPrimitive must return a primitive value.")}return("string"===t?String:Number)(e)}(e,"string");return"symbol"==a(t)?t:String(t)}var u=function(){function e(t,r,n){!function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,e),this.instance=t,this.instance._reader=n.body.getReader(),this.total=parseInt(r,10),this.loaded=0}var t,r,n;return t=e,(r=[{key:"start",value:function(e){var t=this;!function r(){t.instance._reader.read().then((function(n){var i=n.done,a=n.value;if(i)return 0===t.total&&t.instance.onProgress.call(t.instance,{loaded:t.loaded,total:t.total,lengthComputable:!1}),void e.close();t.loaded+=a.byteLength,t.instance.onProgress.call(t.instance,{loaded:t.loaded,total:t.total,lengthComputable:!(0===t.total)}),e.enqueue(a),r()})).catch((function(t){e.error(t)}))}()}}])&&o(t.prototype,r),n&&o(t,n),Object.defineProperty(t,"prototype",{writable:!1}),e}();e.exports=t.default},628:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.default=function(e){return function(){for(var t=arguments.length,r=new Array(t),n=0;n<t;n++)r[n]=arguments[n];return(0,i.default)((function(){return e.apply(void 0,r)}))}};var n,i=(n=r(808))&&n.__esModule?n:{default:n};e.exports=t.default},144:(e,t)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.default=function(e){return void 0===e&&(e="wavesurfer_"),e+Math.random().toString(32).substring(2)},e.exports=t.default},125:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),Object.defineProperty(t,"Observer",{enumerable:!0,get:function(){return s.default}}),Object.defineProperty(t,"absMax",{enumerable:!0,get:function(){return o.default}}),Object.defineProperty(t,"clamp",{enumerable:!0,get:function(){return p.default}}),Object.defineProperty(t,"debounce",{enumerable:!0,get:function(){return f.default}}),Object.defineProperty(t,"fetchFile",{enumerable:!0,get:function(){return d.default}}),Object.defineProperty(t,"frame",{enumerable:!0,get:function(){return c.default}}),Object.defineProperty(t,"getId",{enumerable:!0,get:function(){return n.default}}),Object.defineProperty(t,"max",{enumerable:!0,get:function(){return i.default}}),Object.defineProperty(t,"min",{enumerable:!0,get:function(){return a.default}}),Object.defineProperty(t,"preventClick",{enumerable:!0,get:function(){return h.default}}),Object.defineProperty(t,"requestAnimationFrame",{enumerable:!0,get:function(){return l.default}}),Object.defineProperty(t,"style",{enumerable:!0,get:function(){return u.default}});var n=y(r(144)),i=y(r(264)),a=y(r(784)),o=y(r(345)),s=y(r(184)),u=y(r(896)),l=y(r(808)),c=y(r(628)),f=y(r(68)),h=y(r(272)),d=y(r(192)),p=y(r(96));function y(e){return e&&e.__esModule?e:{default:e}}},264:(e,t)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.default=function(e){var t=-1/0;return Object.keys(e).forEach((function(r){e[r]>t&&(t=e[r])})),t},e.exports=t.default},784:(e,t)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.default=function(e){var t=Number(1/0);return Object.keys(e).forEach((function(r){e[r]<t&&(t=e[r])})),t},e.exports=t.default},184:(e,t)=>{"use strict";function r(e){return r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},r(e)}function n(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,i(n.key),n)}}function i(e){var t=function(e,t){if("object"!=r(e)||!e)return e;var n=e[Symbol.toPrimitive];if(void 0!==n){var i=n.call(e,t||"default");if("object"!=r(i))return i;throw new TypeError("@@toPrimitive must return a primitive value.")}return("string"===t?String:Number)(e)}(e,"string");return"symbol"==r(t)?t:String(t)}Object.defineProperty(t,"__esModule",{value:!0}),t.default=void 0,t.default=function(){function e(){!function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,e),this._disabledEventEmissions=[],this.handlers=null}var t,r,i;return t=e,r=[{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,n=this.handlers[e];if(n)if(t)for(r=n.length-1;r>=0;r--)n[r]==t&&n.splice(r,1);else n.length=0}}},{key:"unAll",value:function(){this.handlers=null}},{key:"once",value:function(e,t){var r=this;return this.on(e,(function n(){for(var i=arguments.length,a=new Array(i),o=0;o<i;o++)a[o]=arguments[o];t.apply(r,a),setTimeout((function(){r.un(e,n)}),0)}))}},{key:"setDisabledEventEmissions",value:function(e){this._disabledEventEmissions=e}},{key:"_isDisabledEventEmission",value:function(e){return this._disabledEventEmissions&&this._disabledEventEmissions.includes(e)}},{key:"fireEvent",value:function(e){for(var t=arguments.length,r=new Array(t>1?t-1:0),n=1;n<t;n++)r[n-1]=arguments[n];if(this.handlers&&!this._isDisabledEventEmission(e)){var i=this.handlers[e];i&&i.forEach((function(e){e.apply(void 0,r)}))}}}],r&&n(t.prototype,r),i&&n(t,i),Object.defineProperty(t,"prototype",{writable:!1}),e}(),e.exports=t.default},272:(e,t)=>{"use strict";function r(e){e.stopPropagation(),document.body.removeEventListener("click",r,!0)}Object.defineProperty(t,"__esModule",{value:!0}),t.default=function(e){document.body.addEventListener("click",r,!0)},e.exports=t.default},808:(e,t)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.default=void 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},896:(e,t)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.default=function(e,t){return Object.keys(t).forEach((function(r){e.style[r]!==t[r]&&(e.style[r]=t[r])})),e},e.exports=t.default},748:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.default=void 0;var n=function(e,t){if(!t&&e&&e.__esModule)return e;if(null===e||"object"!=m(e)&&"function"!=typeof e)return{default:e};var r=c(t);if(r&&r.has(e))return r.get(e);var n={__proto__:null},i=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var a in e)if("default"!==a&&Object.prototype.hasOwnProperty.call(e,a)){var o=i?Object.getOwnPropertyDescriptor(e,a):null;o&&(o.get||o.set)?Object.defineProperty(n,a,o):n[a]=e[a]}return n.default=e,r&&r.set(e,n),n}(r(125)),i=l(r(148)),a=l(r(767)),o=l(r(152)),s=l(r(472)),u=l(r(336));function l(e){return e&&e.__esModule?e:{default:e}}function c(e){if("function"!=typeof WeakMap)return null;var t=new WeakMap,r=new WeakMap;return(c=function(e){return e?r:t})(e)}function f(e,t,r){return t=p(t),h(e,d()?Reflect.construct(t,r||[],p(e).constructor):t.apply(e,r))}function h(e,t){if(t&&("object"===m(t)||"function"==typeof t))return t;if(void 0!==t)throw new TypeError("Derived constructors may only return object or undefined");return y(e)}function d(){try{var e=!Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],(function(){})))}catch(e){}return(d=function(){return!!e})()}function p(e){return p=Object.setPrototypeOf?Object.getPrototypeOf.bind():function(e){return e.__proto__||Object.getPrototypeOf(e)},p(e)}function y(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}function v(e,t){return v=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(e,t){return e.__proto__=t,e},v(e,t)}function m(e){return m="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},m(e)}function b(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function g(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,w(n.key),n)}}function k(e,t,r){return t&&g(e.prototype,t),r&&g(e,r),Object.defineProperty(e,"prototype",{writable:!1}),e}function w(e){var t=function(e,t){if("object"!=m(e)||!e)return e;var r=e[Symbol.toPrimitive];if(void 0!==r){var n=r.call(e,t||"default");if("object"!=m(n))return n;throw new TypeError("@@toPrimitive must return a primitive value.")}return("string"===t?String:Number)(e)}(e,"string");return"symbol"==m(t)?t:String(t)}var P=t.default=function(e){function t(e){var r;if(b(this,t),(r=f(this,t)).defaultParams={audioContext:null,audioScriptProcessor:null,audioRate:1,autoCenter:!0,autoCenterRate:5,autoCenterImmediately:!1,backend:"WebAudio",backgroundColor:null,barHeight:1,barRadius:0,barGap:null,barMinHeight:null,container:null,cursorColor:"#333",cursorWidth:1,dragSelection:!0,drawingContextAttributes:{desynchronized:!1},duration:null,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:i.default,responsive:!1,rtl:!1,scrollParent:!1,skipLength:2,splitChannels:!1,splitChannelsOptions:{overlay:!1,channelColors:{},filterChannels:[],relativeNormalization:!1},waveColor:"#999",xhr:{}},r.backends={MediaElement:o.default,WebAudio:a.default,MediaElementWebAudio:u.default},r.util=n,r.params=Object.assign({},r.defaultParams,e),r.params.splitChannelsOptions=Object.assign({},r.defaultParams.splitChannelsOptions,e.splitChannelsOptions),r.container="string"==typeof e.container?document.querySelector(r.params.container):r.params.container,!r.container)throw new Error("Container element not found");if(null==r.params.mediaContainer?r.mediaContainer=r.container:"string"==typeof r.params.mediaContainer?r.mediaContainer=document.querySelector(r.params.mediaContainer):r.mediaContainer=r.params.mediaContainer,!r.mediaContainer)throw new Error("Media Container element not found");if(r.params.maxCanvasWidth<=1)throw new Error("maxCanvasWidth must be greater than 1");if(r.params.maxCanvasWidth%2==1)throw new Error("maxCanvasWidth must be an even number");if(!0===r.params.rtl&&n.style(r.container,{transform:"rotateY(180deg)"}),r.params.backgroundColor&&r.setBackgroundColor(r.params.backgroundColor),r.savedVolume=0,r.isMuted=!1,r.tmpEvents=[],r.currentRequest=null,r.arraybuffer=null,r.drawer=null,r.backend=null,r.peakCache=null,"function"!=typeof r.params.renderer)throw new Error("Renderer parameter is invalid");r.Drawer=r.params.renderer,"AudioElement"==r.params.backend&&(r.params.backend="MediaElement"),"WebAudio"!=r.params.backend&&"MediaElementWebAudio"!==r.params.backend||a.default.prototype.supportsWebAudio.call(null)||(r.params.backend="MediaElement"),r.Backend=r.backends[r.params.backend],r.initialisedPluginList={},r.isDestroyed=!1,r.isReady=!1;var s=0;return r._onResize=n.debounce((function(){s==r.drawer.wrapper.clientWidth||r.params.scrollParent||(s=r.drawer.wrapper.clientWidth,r.drawer.fireEvent("redraw"))}),"number"==typeof r.params.responsive?r.params.responsive:100),h(r,y(r))}return function(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function");e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,writable:!0,configurable:!0}}),Object.defineProperty(e,"prototype",{writable:!1}),t&&v(e,t)}(t,e),k(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:"getActivePlugins",value:function(){return this.initialisedPluginList}},{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 ".concat(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(n.Observer.prototype).forEach((function(e){r.prototype[e]=n.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 ".concat(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 ".concat(e," has not been added yet and cannot be destroyed!"));if(!this.initialisedPluginList[e])throw new Error("Plugin ".concat(e," is not active and cannot be destroyed!"));if("function"!=typeof this[e].destroy)throw new Error("Plugin ".concat(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(),this.backend=new this.Backend(this.params),this.backend.init(),this.fireEvent("backend-created",this.backend),this.backend.on("finish",(function(){e.drawer.progress(e.backend.getPlayedPercents()),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)})),"MediaElement"!==this.params.backend&&"MediaElementWebAudio"!==this.params.backend||(this.backend.on("seek",(function(){e.drawer.progress(e.backend.getPlayedPercents())})),this.backend.on("volume",(function(){var t=e.getVolume();e.fireEvent("volume",t),e.backend.isMuted!==e.isMuted&&(e.isMuted=e.backend.isMuted,e.fireEvent("mute",e.isMuted))})))}},{key:"createPeakCache",value:function(){this.params.partialRender&&(this.peakCache=new s.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:"setPlayEnd",value:function(e){this.backend.setPlayEnd(e)}},{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)throw new Error("Error calling wavesurfer.seekTo, parameter must be a number between 0 and 1!");this.fireEvent("interaction",(function(){return t.seekTo(e)}));var r="WebAudio"===this.params.backend,n=this.backend.isPaused();r&&!n&&this.backend.pause();var i=this.params.scrollParent;this.params.scrollParent=!1,this.backend.seekTo(e*this.getDuration()),this.drawer.progress(e),r&&!n&&this.backend.play(),this.params.scrollParent=i,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),this.fireEvent("volume",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?(this.backend.setMute?(this.backend.setMute(e),this.isMuted=e):e?(this.savedVolume=this.backend.getVolume(),this.backend.setVolume(0),this.isMuted=!0,this.fireEvent("volume",0)):(this.backend.setVolume(this.savedVolume),this.isMuted=!1,this.fireEvent("volume",this.savedVolume)),this.fireEvent("mute",this.isMuted)):this.fireEvent("mute",this.isMuted)}},{key:"getMute",value:function(){return this.isMuted}},{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:"getBackgroundColor",value:function(){return this.params.backgroundColor}},{key:"setBackgroundColor",value:function(e){this.params.backgroundColor=e,n.style(this.container,{background:this.params.backgroundColor})}},{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:"setFilteredChannels",value:function(e){this.params.splitChannelsOptions.filterChannels=e,this.drawBuffer()}},{key:"drawBuffer",value:function(){var e,t=Math.round(this.getDuration()*this.params.minPxPerSec*this.params.pixelRatio),r=this.drawer.getWidth(),n=t,i=0,a=Math.max(i+r,n);if(this.params.fillParent&&(!this.params.scrollParent||t<r)&&(i=0,a=n=r),this.params.partialRender){var o,s=this.peakCache.addRangeToPeakCache(n,i,a);for(o=0;o<s.length;o++)e=this.backend.getPeaks(n,s[o][0],s[o][1]),this.drawer.drawPeaks(e,n,s[o][0],s[o][1])}else e=this.backend.getPeaks(n,i,a),this.drawer.drawPeaks(e,n,i,a);this.fireEvent("redraw",e,n)}},{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.isReady=!0,this.fireEvent("ready")}},{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(!e)throw new Error("url parameter cannot be empty");if(this.empty(),r){var i={"Preload is not 'auto', 'none' or 'metadata'":-1===["auto","metadata","none"].indexOf(r),"Peaks are not provided":!t,"Backend is not of type 'MediaElement' or 'MediaElementWebAudio'":-1===["MediaElement","MediaElementWebAudio"].indexOf(this.params.backend),"Url is not of type string":"string"!=typeof e},a=Object.keys(i).filter((function(e){return i[e]}));a.length&&(console.warn("Preload parameter of wavesurfer.load will be ignored because:\n\t- "+a.join("\n\t- ")),r=null)}switch("WebAudio"===this.params.backend&&e instanceof HTMLMediaElement&&(e=e.src),this.params.backend){case"WebAudio":return this.loadBuffer(e,t,n);case"MediaElement":case"MediaElementWebAudio":return this.loadMediaElement(e,t,r,n)}}},{key:"loadBuffer",value:function(e,t,r){var n=this,i=function(t){return t&&n.tmpEvents.push(n.once("ready",t)),n.getArrayBuffer(e,(function(e){return n.loadArrayBuffer(e)}))};if(!t)return i();this.backend.setPeaks(t,r),this.drawBuffer(),this.fireEvent("waveform-ready"),this.tmpEvents.push(this.once("interaction",i))}},{key:"loadMediaElement",value:function(e,t,r,n){var i=this,a=e;if("string"==typeof e)this.backend.load(a,this.mediaContainer,t,r);else{var o=e;this.backend.loadElt(o,t),a=o.src}this.tmpEvents.push(this.backend.once("canplay",(function(){i.backend.destroyed||(i.drawBuffer(),i.isReady=!0,i.fireEvent("ready"))})),this.backend.once("error",(function(e){return i.fireEvent("error",e)}))),t&&(this.backend.setPeaks(t,n),this.drawBuffer(),this.fireEvent("waveform-ready")),t&&!this.params.forceDecode||!this.backend.supportsWebAudio()||this.getArrayBuffer(a,(function(e){i.decodeArrayBuffer(e,(function(e){i.backend.buffer=e,i.backend.setPeaks(null),i.drawBuffer(),i.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,i=Object.assign({url:e,responseType:"arraybuffer"},this.params.xhr),a=n.fetchFile(i);return this.currentRequest=a,this.tmpEvents.push(a.on("progress",(function(e){r.onProgress(e)})),a.on("success",(function(e){t(e),r.currentRequest=null})),a.on("error",(function(e){r.fireEvent("error",e),r.currentRequest=null}))),a}},{key:"onProgress",value:function(e){var t;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,i){e=e||1024,n=n||0,t=t||1e4,r=r||!1;var a=this.backend.getPeaks(e,n,i),o=[].map.call(a,(function(e){return Math.round(e*t)/t}));return new Promise((function(e,t){var n=JSON.stringify(o);r||window.open("data:application/json;charset=utf-8,"+encodeURIComponent(n)),e(n)}))}},{key:"exportImage",value:function(e,t,r){return e||(e="image/png"),t||(t=1),r||(r="dataURL"),this.drawer.getImage(e,t,r)}},{key:"cancelAjax",value:function(){this.currentRequest&&this.currentRequest.controller&&(this.currentRequest._reader&&this.currentRequest._reader.cancel().catch((function(e){})),this.currentRequest.controller.abort(),this.currentRequest=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.isReady=!1,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&&(this.backend.destroy(),this.backend=null),this.drawer&&this.drawer.destroy(),this.isDestroyed=!0,this.isReady=!1,this.arraybuffer=null}}],[{key:"create",value:function(e){return new t(e).init()}}]),t}(n.Observer);P.VERSION="4.6.0",P.util=n,e.exports=t.default},767:(e,t,r)=>{"use strict";function n(e){return n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},n(e)}Object.defineProperty(t,"__esModule",{value:!0}),t.default=void 0;var i=function(e,t){if(!t&&e&&e.__esModule)return e;if(null===e||"object"!=n(e)&&"function"!=typeof e)return{default:e};var r=a(t);if(r&&r.has(e))return r.get(e);var i={__proto__:null},o=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var s in e)if("default"!==s&&Object.prototype.hasOwnProperty.call(e,s)){var u=o?Object.getOwnPropertyDescriptor(e,s):null;u&&(u.get||u.set)?Object.defineProperty(i,s,u):i[s]=e[s]}return i.default=e,r&&r.set(e,i),i}(r(125));function a(e){if("function"!=typeof WeakMap)return null;var t=new WeakMap,r=new WeakMap;return(a=function(e){return e?r:t})(e)}function o(e,t,r){return(t=u(t))in e?Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!0}):e[t]=r,e}function s(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,u(n.key),n)}}function u(e){var t=function(e,t){if("object"!=n(e)||!e)return e;var r=e[Symbol.toPrimitive];if(void 0!==r){var i=r.call(e,t||"default");if("object"!=n(i))return i;throw new TypeError("@@toPrimitive must return a primitive value.")}return("string"===t?String:Number)(e)}(e,"string");return"symbol"==n(t)?t:String(t)}function l(e,t,r){return t=f(t),function(e,t){if(t&&("object"===n(t)||"function"==typeof t))return t;if(void 0!==t)throw new TypeError("Derived constructors may only return object or undefined");return function(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}(e)}(e,c()?Reflect.construct(t,r||[],f(e).constructor):t.apply(e,r))}function c(){try{var e=!Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],(function(){})))}catch(e){}return(c=function(){return!!e})()}function f(e){return f=Object.setPrototypeOf?Object.getPrototypeOf.bind():function(e){return e.__proto__||Object.getPrototypeOf(e)},f(e)}function h(e,t){return h=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(e,t){return e.__proto__=t,e},h(e,t)}var d="playing",p="paused",y="finished";(t.default=function(e){function t(e){var r;return function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,t),(r=l(this,t)).audioContext=null,r.offlineAudioContext=null,r.stateBehaviors=o(o(o({},d,{init:function(){this.addOnAudioProcess()},getPlayedPercents:function(){var e=this.getDuration();return this.getCurrentTime()/e||0},getCurrentTime:function(){return this.startPosition+this.getPlayedTime()}}),p,{init:function(){this.removeOnAudioProcess()},getPlayedPercents:function(){var e=this.getDuration();return this.getCurrentTime()/e||0},getCurrentTime:function(){return this.startPosition}}),y,{init:function(){this.removeOnAudioProcess(),this.fireEvent("finish")},getPlayedPercents:function(){return 1},getCurrentTime:function(){return this.getDuration()}}),r.params=e,r.ac=e.audioContext||(r.supportsWebAudio()?r.getAudioContext():{}),r.lastPlay=r.ac.currentTime,r.startPosition=0,r.scheduledPause=null,r.states=o(o(o({},d,Object.create(r.stateBehaviors[d])),p,Object.create(r.stateBehaviors[p])),y,Object.create(r.stateBehaviors[y])),r.buffer=null,r.filters=[],r.gainNode=null,r.mergedPeaks=null,r.offlineAc=null,r.peaks=null,r.playbackRate=1,r.analyser=null,r.scriptNode=null,r.source=null,r.splitPeaks=[],r.state=null,r.explicitDuration=e.duration,r.destroyed=!1,r}var r,n,i;return function(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function");e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,writable:!0,configurable:!0}}),Object.defineProperty(e,"prototype",{writable:!1}),t&&h(e,t)}(t,e),r=t,n=[{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}},{key:"init",value:function(){this.createVolumeNode(),this.createScriptNode(),this.createAnalyserNode(),this.setState(p),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=new 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.params.audioScriptProcessor?this.scriptNode=this.params.audioScriptProcessor: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(y),e.fireEvent("pause")):t>=e.scheduledPause?e.pause():e.state===e.states[d]&&e.fireEvent("audioprocess",t)}}},{key:"removeOnAudioProcess",value:function(){this.scriptNode.onaudioprocess=function(){}}},{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.srcObject=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?this.ac.sampleRate:44100)),"webkitAudioContext"in window?this.offlineAc.decodeAudioData(e,(function(e){return t(e)}),r):this.offlineAc.decodeAudioData(e).then((function(e){return t(e)})).catch((function(e){return r(e)}))}},{key:"setPeaks",value:function(e,t){null!=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,r=this.buffer?this.buffer.numberOfChannels:1;for(t=0;t<r;t++)this.splitPeaks[t]=[],this.splitPeaks[t][2*(e-1)]=0,this.splitPeaks[t][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(!this.buffer)return[];if(t=t||0,r=r||e-1,this.setLength(e),!this.buffer)return this.params.splitChannels?this.splitPeaks:this.mergedPeaks;if(!this.buffer.length){var n=this.createBuffer(1,4096,this.sampleRate);this.buffer=n.buffer}var i,a=this.buffer.length/e,o=~~(a/10)||1,s=this.buffer.numberOfChannels;for(i=0;i<s;i++){var u=this.splitPeaks[i],l=this.buffer.getChannelData(i),c=void 0;for(c=t;c<=r;c++){var f=~~(c*a),h=~~(f+a),d=l[f],p=d,y=void 0;for(y=f;y<h;y+=o){var v=l[y];v>p&&(p=v),v<d&&(d=v)}u[2*c]=p,u[2*c+1]=d,(0==i||p>this.mergedPeaks[2*c])&&(this.mergedPeaks[2*c]=p),(0==i||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:"destroyWebAudio",value:function(){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:"destroy",value:function(){this.isPaused()||this.pause(),this.unAll(),this.buffer=null,this.destroyed=!0,this.destroyWebAudio()}},{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.setPlaybackRate(this.playbackRate),this.source.buffer=this.buffer,this.source.connect(this.analyser)}},{key:"resumeAudioContext",value:function(){"suspended"==this.ac.state&&this.ac.resume&&this.ac.resume()}},{key:"isPaused",value:function(){return this.state!==this.states[d]}},{key:"getDuration",value:function(){return this.explicitDuration?this.explicitDuration:this.buffer?this.buffer.duration: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[y]&&this.setState(p),{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),this.resumeAudioContext(),this.setState(d),this.fireEvent("play")}}},{key:"pause",value:function(){this.scheduledPause=null,this.startPosition+=this.getPlayedTime(),this.source&&this.source.stop(0),this.setState(p),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){this.playbackRate=e||1,this.source&&this.source.playbackRate.setValueAtTime(this.playbackRate,this.ac.currentTime)}},{key:"setPlayEnd",value:function(e){this.scheduledPause=e}}],n&&s(r.prototype,n),i&&s(r,i),Object.defineProperty(r,"prototype",{writable:!1}),t}(i.Observer)).scriptBufferSize=256,e.exports=t.default},68:e=>{function t(e,t,r){var n,i,a,o,s;function u(){var l=Date.now()-o;l<t&&l>=0?n=setTimeout(u,t-l):(n=null,r||(s=e.apply(a,i),a=i=null))}null==t&&(t=100);var l=function(){a=this,i=arguments,o=Date.now();var l=r&&!n;return n||(n=setTimeout(u,t)),l&&(s=e.apply(a,i),a=i=null),s};return l.clear=function(){n&&(clearTimeout(n),n=null)},l.flush=function(){n&&(s=e.apply(a,i),a=i=null,clearTimeout(n),n=null)},l}t.debounce=t,e.exports=t}},t={},function r(n){var i=t[n];if(void 0!==i)return i.exports;var a=t[n]={exports:{}};return e[n](a,a.exports,r),a.exports}(748);var e,t}));
|
|
//# sourceMappingURL=wavesurfer.min.js.map
|