2 lines
39 KiB
JavaScript
2 lines
39 KiB
JavaScript
!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):(t="undefined"!=typeof globalThis?globalThis:t||self).WaveSurfer=e()}(this,(function(){"use strict";function t(t,e,i,n){return new(i||(i=Promise))((function(s,r){function o(t){try{l(n.next(t))}catch(t){r(t)}}function a(t){try{l(n.throw(t))}catch(t){r(t)}}function l(t){var e;t.done?s(t.value):(e=t.value,e instanceof i?e:new i((function(t){t(e)}))).then(o,a)}l((n=n.apply(t,e||[])).next())}))}"function"==typeof SuppressedError&&SuppressedError;class e{constructor(){this.listeners={}}on(t,e,i){if(this.listeners[t]||(this.listeners[t]=new Set),null==i?void 0:i.once){const i=(...n)=>{this.un(t,i),e(...n)};return this.listeners[t].add(i),()=>this.un(t,i)}return this.listeners[t].add(e),()=>this.un(t,e)}un(t,e){var i;null===(i=this.listeners[t])||void 0===i||i.delete(e)}once(t,e){return this.on(t,e,{once:!0})}unAll(){this.listeners={}}emit(t,...e){this.listeners[t]&&this.listeners[t].forEach((t=>t(...e)))}}const i={decode:function(e,i){return t(this,void 0,void 0,(function*(){const t=new AudioContext({sampleRate:i});try{return yield t.decodeAudioData(e)}finally{t.close()}}))},createBuffer:function(t,e){if(!t||0===t.length)throw new Error("channelData must be a non-empty array");if(e<=0)throw new Error("duration must be greater than 0");if("number"==typeof t[0]&&(t=[t]),!t[0]||0===t[0].length)throw new Error("channelData must contain non-empty channel arrays");!function(t){const e=t[0];if(e.some((t=>t>1||t<-1))){const i=e.length;let n=0;for(let t=0;t<i;t++){const i=Math.abs(e[t]);i>n&&(n=i)}for(const e of t)for(let t=0;t<i;t++)e[t]/=n}}(t);const i=t.map((t=>t instanceof Float32Array?t:Float32Array.from(t)));return{duration:e,length:i[0].length,sampleRate:i[0].length/e,numberOfChannels:i.length,getChannelData:t=>{const e=i[t];if(!e)throw new Error(`Channel ${t} not found`);return e},copyFromChannel:AudioBuffer.prototype.copyFromChannel,copyToChannel:AudioBuffer.prototype.copyToChannel}}};function n(t,e){const i=e.xmlns?document.createElementNS(e.xmlns,t):document.createElement(t);for(const[t,s]of Object.entries(e))if("children"===t&&s)for(const[t,e]of Object.entries(s))e instanceof Node?i.appendChild(e):"string"==typeof e?i.appendChild(document.createTextNode(e)):i.appendChild(n(t,e));else"style"===t?Object.assign(i.style,s):"textContent"===t?i.textContent=s:i.setAttribute(t,s.toString());return i}function s(t,e,i){const s=n(t,e||{});return null==i||i.appendChild(s),s}var r=Object.freeze({__proto__:null,createElement:s,default:s});const o={fetchBlob:function(e,i,n){return t(this,void 0,void 0,(function*(){const s=yield fetch(e,n);if(s.status>=400)throw new Error(`Failed to fetch ${e}: ${s.status} (${s.statusText})`);return function(e,i){t(this,void 0,void 0,(function*(){if(!e.body||!e.headers)return;const t=e.body.getReader(),n=Number(e.headers.get("Content-Length"))||0;let s=0;const r=t=>{s+=(null==t?void 0:t.length)||0;const e=Math.round(s/n*100);i(e)};try{for(;;){const e=yield t.read();if(e.done)break;r(e.value)}}catch(t){console.warn("Progress tracking error:",t)}}))}(s.clone(),i),s.blob()}))}};function a(t){let e=t;const i=new Set;return{get value(){return e},set(t){Object.is(e,t)||(e=t,i.forEach((t=>t(e))))},update(t){this.set(t(e))},subscribe:t=>(i.add(t),()=>i.delete(t))}}function l(t,e){const i=a(t());return e.forEach((e=>e.subscribe((()=>{const e=t();Object.is(i.value,e)||i.set(e)})))),{get value(){return i.value},subscribe:t=>i.subscribe(t)}}function h(t,e){let i;const n=()=>{i&&(i(),i=void 0),i=t()},s=e.map((t=>t.subscribe(n)));return n(),()=>{i&&(i(),i=void 0),s.forEach((t=>t()))}}class u extends e{get isPlayingSignal(){return this._isPlaying}get currentTimeSignal(){return this._currentTime}get durationSignal(){return this._duration}get volumeSignal(){return this._volume}get mutedSignal(){return this._muted}get playbackRateSignal(){return this._playbackRate}get seekingSignal(){return this._seeking}constructor(t){super(),this.isExternalMedia=!1,this.reactiveMediaEventCleanups=[],t.media?(this.media=t.media,this.isExternalMedia=!0):this.media=document.createElement("audio"),this._isPlaying=a(!1),this._currentTime=a(0),this._duration=a(0),this._volume=a(this.media.volume),this._muted=a(this.media.muted),this._playbackRate=a(this.media.playbackRate||1),this._seeking=a(!1),this.setupReactiveMediaEvents(),t.mediaControls&&(this.media.controls=!0),t.autoplay&&(this.media.autoplay=!0),null!=t.playbackRate&&this.onMediaEvent("canplay",(()=>{null!=t.playbackRate&&(this.media.playbackRate=t.playbackRate)}),{once:!0})}setupReactiveMediaEvents(){this.reactiveMediaEventCleanups.push(this.onMediaEvent("play",(()=>{this._isPlaying.set(!0)}))),this.reactiveMediaEventCleanups.push(this.onMediaEvent("pause",(()=>{this._isPlaying.set(!1)}))),this.reactiveMediaEventCleanups.push(this.onMediaEvent("ended",(()=>{this._isPlaying.set(!1)}))),this.reactiveMediaEventCleanups.push(this.onMediaEvent("timeupdate",(()=>{this._currentTime.set(this.media.currentTime)}))),this.reactiveMediaEventCleanups.push(this.onMediaEvent("durationchange",(()=>{this._duration.set(this.media.duration||0)}))),this.reactiveMediaEventCleanups.push(this.onMediaEvent("loadedmetadata",(()=>{this._duration.set(this.media.duration||0)}))),this.reactiveMediaEventCleanups.push(this.onMediaEvent("seeking",(()=>{this._seeking.set(!0)}))),this.reactiveMediaEventCleanups.push(this.onMediaEvent("seeked",(()=>{this._seeking.set(!1)}))),this.reactiveMediaEventCleanups.push(this.onMediaEvent("volumechange",(()=>{this._volume.set(this.media.volume),this._muted.set(this.media.muted)}))),this.reactiveMediaEventCleanups.push(this.onMediaEvent("ratechange",(()=>{this._playbackRate.set(this.media.playbackRate)})))}onMediaEvent(t,e,i){return this.media.addEventListener(t,e,i),()=>this.media.removeEventListener(t,e,i)}getSrc(){return this.media.currentSrc||this.media.src||""}revokeSrc(){const t=this.getSrc();t.startsWith("blob:")&&URL.revokeObjectURL(t)}canPlayType(t){return""!==this.media.canPlayType(t)}setSrc(t,e){const i=this.getSrc();if(t&&i===t)return;this.revokeSrc();const n=e instanceof Blob&&(this.canPlayType(e.type)||!t)?URL.createObjectURL(e):t;if(i&&this.media.removeAttribute("src"),n||t)try{this.media.src=n}catch(e){this.media.src=t}}destroy(){this.reactiveMediaEventCleanups.forEach((t=>t())),this.reactiveMediaEventCleanups=[],this.isExternalMedia||(this.media.pause(),this.revokeSrc(),this.media.removeAttribute("src"),this.media.load(),this.media.remove())}setMediaElement(t){this.reactiveMediaEventCleanups.forEach((t=>t())),this.reactiveMediaEventCleanups=[],this.media=t,this.setupReactiveMediaEvents()}play(){return t(this,void 0,void 0,(function*(){try{return yield this.media.play()}catch(t){if(t instanceof DOMException&&"AbortError"===t.name)return;throw t}}))}pause(){this.media.pause()}isPlaying(){return!this.media.paused&&!this.media.ended}setTime(t){this.media.currentTime=Math.max(0,Math.min(t,this.getDuration()))}getDuration(){return this.media.duration}getCurrentTime(){return this.media.currentTime}getVolume(){return this.media.volume}setVolume(t){this.media.volume=t}getMuted(){return this.media.muted}setMuted(t){this.media.muted=t}getPlaybackRate(){return this.media.playbackRate}isSeeking(){return this.media.seeking}setPlaybackRate(t,e){null!=e&&(this.media.preservesPitch=e),this.media.playbackRate=t}getMediaElement(){return this.media}setSinkId(t){return this.media.setSinkId(t)}}function c({maxTop:t,maxBottom:e,halfHeight:i,vScale:n,barMinHeight:s=0,barAlign:r}){let o=Math.round(t*i*n);let a=o+Math.round(e*i*n)||1;return a<s&&(a=s,r||(o=a/2)),{topHeight:o,totalHeight:a}}function d({barAlign:t,halfHeight:e,topHeight:i,totalHeight:n,canvasHeight:s}){return"top"===t?0:"bottom"===t?s-n:e-i}function p(t,e,i){const n=e-t.left,s=i-t.top;return[n/t.width,s/t.height]}function m(t){return Boolean(t.barWidth||t.barGap||t.barAlign)}function g(t,e){if(!m(e))return t;const i=e.barWidth||.5,n=i+(e.barGap||i/2);return 0===n?t:Math.floor(t/n)*n}function f({scrollLeft:t,totalWidth:e,numCanvases:i}){if(0===e)return[0];const n=t/e,s=Math.floor(n*i);return[s-1,s,s+1]}function v(t){const e=t._cleanup;"function"==typeof e&&e()}function b(t){const e=a({scrollLeft:t.scrollLeft,scrollWidth:t.scrollWidth,clientWidth:t.clientWidth}),i=l((()=>function(t){const{scrollLeft:e,scrollWidth:i,clientWidth:n}=t;if(0===i)return{startX:0,endX:1};const s=e/i,r=(e+n)/i;return{startX:Math.max(0,Math.min(1,s)),endX:Math.max(0,Math.min(1,r))}}(e.value)),[e]),n=l((()=>function(t){return{left:t.scrollLeft,right:t.scrollLeft+t.clientWidth}}(e.value)),[e]),s=()=>{e.set({scrollLeft:t.scrollLeft,scrollWidth:t.scrollWidth,clientWidth:t.clientWidth})};t.addEventListener("scroll",s,{passive:!0});return{scrollData:e,percentages:i,bounds:n,cleanup:()=>{t.removeEventListener("scroll",s),v(e)}}}class y extends e{constructor(t,e){super(),this.timeouts=[],this.isScrollable=!1,this.audioData=null,this.resizeObserver=null,this.lastContainerWidth=0,this.isDragging=!1,this.subscriptions=[],this.unsubscribeOnScroll=[],this.dragStream=null,this.scrollStream=null,this.subscriptions=[],this.options=t;const i=this.parentFromOptionsContainer(t.container);this.parent=i;const[n,s]=this.initHtml();i.appendChild(n),this.container=n,this.scrollContainer=s.querySelector(".scroll"),this.wrapper=s.querySelector(".wrapper"),this.canvasWrapper=s.querySelector(".canvases"),this.progressWrapper=s.querySelector(".progress"),this.cursor=s.querySelector(".cursor"),e&&s.appendChild(e),this.initEvents()}parentFromOptionsContainer(t){let e;if("string"==typeof t?e=document.querySelector(t):t instanceof HTMLElement&&(e=t),!e)throw new Error("Container not found");return e}initEvents(){this.wrapper.addEventListener("click",(t=>{const e=this.wrapper.getBoundingClientRect(),[i,n]=p(e,t.clientX,t.clientY);this.emit("click",i,n)})),this.wrapper.addEventListener("dblclick",(t=>{const e=this.wrapper.getBoundingClientRect(),[i,n]=p(e,t.clientX,t.clientY);this.emit("dblclick",i,n)})),!0!==this.options.dragToSeek&&"object"!=typeof this.options.dragToSeek||this.initDrag(),this.scrollStream=b(this.scrollContainer);const t=h((()=>{const{startX:t,endX:e}=this.scrollStream.percentages.value,{left:i,right:n}=this.scrollStream.bounds.value;this.emit("scroll",t,e,i,n)}),[this.scrollStream.percentages,this.scrollStream.bounds]);if(this.subscriptions.push(t),"function"==typeof ResizeObserver){const t=this.createDelay(100);this.resizeObserver=new ResizeObserver((()=>{t().then((()=>this.onContainerResize())).catch((()=>{}))})),this.resizeObserver.observe(this.scrollContainer)}}onContainerResize(){const t=this.parent.clientWidth;t===this.lastContainerWidth&&"auto"!==this.options.height||(this.lastContainerWidth=t,this.reRender(),this.emit("resize"))}initDrag(){if(this.dragStream)return;this.dragStream=function(t,e={}){const{threshold:i=3,mouseButton:n=0,touchDelay:s=100}=e,r=a(null),o=new Map,l=matchMedia("(pointer: coarse)").matches;let h=()=>{};const u=e=>{if(e.button!==n)return;if(o.set(e.pointerId,e),o.size>1)return;let a=e.clientX,u=e.clientY,c=!1;const d=Date.now(),p=t.getBoundingClientRect(),{left:m,top:g}=p,f=t=>{if(t.defaultPrevented||o.size>1)return;if(l&&Date.now()-d<s)return;const e=t.clientX,n=t.clientY,h=e-a,p=n-u;(c||Math.abs(h)>i||Math.abs(p)>i)&&(t.preventDefault(),t.stopPropagation(),c||(r.set({type:"start",x:a-m,y:u-g}),c=!0),r.set({type:"move",x:e-m,y:n-g,deltaX:h,deltaY:p}),a=e,u=n)},v=t=>{if(o.delete(t.pointerId),c){const e=t.clientX,i=t.clientY;r.set({type:"end",x:e-m,y:i-g})}h()},b=t=>{o.delete(t.pointerId),t.relatedTarget&&t.relatedTarget!==document.documentElement||v(t)},y=t=>{c&&(t.stopPropagation(),t.preventDefault())},C=t=>{t.defaultPrevented||o.size>1||c&&t.preventDefault()};document.addEventListener("pointermove",f),document.addEventListener("pointerup",v),document.addEventListener("pointerout",b),document.addEventListener("pointercancel",b),document.addEventListener("touchmove",C,{passive:!1}),document.addEventListener("click",y,{capture:!0}),h=()=>{document.removeEventListener("pointermove",f),document.removeEventListener("pointerup",v),document.removeEventListener("pointerout",b),document.removeEventListener("pointercancel",b),document.removeEventListener("touchmove",C),setTimeout((()=>{document.removeEventListener("click",y,{capture:!0})}),10)}};return t.addEventListener("pointerdown",u),{signal:r,cleanup:()=>{h(),t.removeEventListener("pointerdown",u),o.clear(),v(r)}}}(this.wrapper);const t=h((()=>{const t=this.dragStream.signal.value;if(!t)return;const e=this.wrapper.getBoundingClientRect().width,i=(n=t.x/e)<0?0:n>1?1:n;var n;"start"===t.type?(this.isDragging=!0,this.emit("dragstart",i)):"move"===t.type?this.emit("drag",i):"end"===t.type&&(this.isDragging=!1,this.emit("dragend",i))}),[this.dragStream.signal]);this.subscriptions.push(t)}initHtml(){const t=document.createElement("div"),e=t.attachShadow({mode:"open"}),i=this.options.cspNonce&&"string"==typeof this.options.cspNonce?this.options.cspNonce.replace(/"/g,""):"";return e.innerHTML=`\n <style${i?` nonce="${i}"`:""}>\n :host {\n user-select: none;\n min-width: 1px;\n }\n :host audio {\n display: block;\n width: 100%;\n }\n :host .scroll {\n overflow-x: auto;\n overflow-y: hidden;\n width: 100%;\n position: relative;\n }\n :host .noScrollbar {\n scrollbar-color: transparent;\n scrollbar-width: none;\n }\n :host .noScrollbar::-webkit-scrollbar {\n display: none;\n -webkit-appearance: none;\n }\n :host .wrapper {\n position: relative;\n overflow: visible;\n z-index: 2;\n }\n :host .canvases {\n min-height: ${this.getHeight(this.options.height,this.options.splitChannels)}px;\n pointer-events: none;\n }\n :host .canvases > div {\n position: relative;\n }\n :host canvas {\n display: block;\n position: absolute;\n top: 0;\n image-rendering: pixelated;\n }\n :host .progress {\n pointer-events: none;\n position: absolute;\n z-index: 2;\n top: 0;\n left: 0;\n width: 0;\n height: 100%;\n overflow: hidden;\n }\n :host .progress > div {\n position: relative;\n }\n :host .cursor {\n pointer-events: none;\n position: absolute;\n z-index: 5;\n top: 0;\n left: 0;\n height: 100%;\n border-radius: 2px;\n }\n </style>\n\n <div class="scroll" part="scroll">\n <div class="wrapper" part="wrapper">\n <div class="canvases" part="canvases"></div>\n <div class="progress" part="progress"></div>\n <div class="cursor" part="cursor"></div>\n </div>\n </div>\n `,[t,e]}setOptions(t){if(this.options.container!==t.container){const e=this.parentFromOptionsContainer(t.container);e.appendChild(this.container),this.parent=e}!0!==t.dragToSeek&&"object"!=typeof this.options.dragToSeek||this.initDrag(),this.options=t,this.reRender()}getWrapper(){return this.wrapper}getWidth(){return this.scrollContainer.clientWidth}getScroll(){return this.scrollContainer.scrollLeft}setScroll(t){this.scrollContainer.scrollLeft=t}setScrollPercentage(t){const{scrollWidth:e}=this.scrollContainer,i=e*t;this.setScroll(i)}destroy(){var t;this.subscriptions.forEach((t=>t())),this.container.remove(),this.resizeObserver&&(this.resizeObserver.disconnect(),this.resizeObserver=null),null===(t=this.unsubscribeOnScroll)||void 0===t||t.forEach((t=>t())),this.unsubscribeOnScroll=[],this.dragStream&&(this.dragStream.cleanup(),this.dragStream=null),this.scrollStream&&(this.scrollStream.cleanup(),this.scrollStream=null)}createDelay(t=10){let e,i;const n=()=>{e&&(clearTimeout(e),e=void 0),i&&(i(),i=void 0)};return this.timeouts.push(n),()=>new Promise(((s,r)=>{n(),i=r,e=setTimeout((()=>{e=void 0,i=void 0,s()}),t)}))}getHeight(t,e){var i;const n=(null===(i=this.audioData)||void 0===i?void 0:i.numberOfChannels)||1;return function({optionsHeight:t,optionsSplitChannels:e,parentHeight:i,numberOfChannels:n,defaultHeight:s=128}){if(null==t)return s;const r=Number(t);if(!isNaN(r))return r;if("auto"===t){const t=i||s;return(null==e?void 0:e.every((t=>!t.overlay)))?t/n:t}return s}({optionsHeight:t,optionsSplitChannels:e,parentHeight:this.parent.clientHeight,numberOfChannels:n,defaultHeight:128})}convertColorValues(t,e){return function(t,e,i){if(!Array.isArray(t))return t||"";if(0===t.length)return"#999";if(t.length<2)return t[0]||"";const n=document.createElement("canvas"),s=n.getContext("2d"),r=null!=i?i:n.height*e,o=s.createLinearGradient(0,0,0,r||e),a=1/(t.length-1);return t.forEach(((t,e)=>{o.addColorStop(e*a,t)})),o}(t,this.getPixelRatio(),null==e?void 0:e.canvas.height)}getPixelRatio(){return t=window.devicePixelRatio,Math.max(1,t||1);var t}renderBarWaveform(t,e,i,n){const{width:s,height:r}=i.canvas,{halfHeight:o,barWidth:a,barRadius:l,barIndexScale:h,barSpacing:u,barMinHeight:p}=function({width:t,height:e,length:i,options:n,pixelRatio:s}){const r=e/2,o=n.barWidth?n.barWidth*s:1,a=n.barGap?n.barGap*s:n.barWidth?o/2:0,l=o+a||1;return{halfHeight:r,barWidth:o,barGap:a,barRadius:n.barRadius||0,barMinHeight:n.barMinHeight?n.barMinHeight*s:0,barIndexScale:i>0?t/l/i:0,barSpacing:l}}({width:s,height:r,length:(t[0]||[]).length,options:e,pixelRatio:this.getPixelRatio()}),m=function({channelData:t,barIndexScale:e,barSpacing:i,barWidth:n,halfHeight:s,vScale:r,canvasHeight:o,barAlign:a,barMinHeight:l}){const h=t[0]||[],u=t[1]||h,p=h.length,m=[];let g=0,f=0,v=0;for(let t=0;t<=p;t++){const p=Math.round(t*e);if(p>g){const{topHeight:t,totalHeight:e}=c({maxTop:f,maxBottom:v,halfHeight:s,vScale:r,barMinHeight:l,barAlign:a}),h=d({barAlign:a,halfHeight:s,topHeight:t,totalHeight:e,canvasHeight:o});m.push({x:g*i,y:h,width:n,height:e}),g=p,f=0,v=0}const b=Math.abs(h[t]||0),y=Math.abs(u[t]||0);b>f&&(f=b),y>v&&(v=y)}return m}({channelData:t,barIndexScale:h,barSpacing:u,barWidth:a,halfHeight:o,vScale:n,canvasHeight:r,barAlign:e.barAlign,barMinHeight:p});i.beginPath();for(const t of m)l&&"roundRect"in i?i.roundRect(t.x,t.y,t.width,t.height,l):i.rect(t.x,t.y,t.width,t.height);i.fill(),i.closePath()}renderLineWaveform(t,e,i,n){const{width:s,height:r}=i.canvas,o=function({channelData:t,width:e,height:i,vScale:n}){const s=i/2,r=t[0]||[];return[r,t[1]||r].map(((t,i)=>{const r=t.length,o=r?e/r:0,a=s,l=0===i?-1:1,h=[{x:0,y:a}];let u=0,c=0;for(let e=0;e<=r;e++){const i=Math.round(e*o);if(i>u){const t=a+(Math.round(c*s*n)||1)*l;h.push({x:u,y:t}),u=i,c=0}const r=Math.abs(t[e]||0);r>c&&(c=r)}return h.push({x:u,y:a}),h}))}({channelData:t,width:s,height:r,vScale:n});i.beginPath();for(const t of o)if(t.length){i.moveTo(t[0].x,t[0].y);for(let e=1;e<t.length;e++){const n=t[e];i.lineTo(n.x,n.y)}}i.fill(),i.closePath()}renderWaveform(t,e,i){if(i.fillStyle=this.convertColorValues(e.waveColor,i),e.renderFunction)return void e.renderFunction(t,i);const n=function({channelData:t,barHeight:e,normalize:i,maxPeak:n}){var s;const r=e||1;if(!i)return r;const o=t[0];if(!o||0===o.length)return r;let a=null!=n?n:0;if(!n)for(let t=0;t<o.length;t++){const e=null!==(s=o[t])&&void 0!==s?s:0,i=Math.abs(e);i>a&&(a=i)}return a?r/a:r}({channelData:t,barHeight:e.barHeight,normalize:e.normalize,maxPeak:e.maxPeak});m(e)?this.renderBarWaveform(t,e,i,n):this.renderLineWaveform(t,e,i,n)}renderSingleCanvas(t,e,i,n,s,r,o){const a=this.getPixelRatio(),l=document.createElement("canvas");l.width=Math.round(i*a),l.height=Math.round(n*a),l.style.width=`${i}px`,l.style.height=`${n}px`,l.style.left=`${Math.round(s)}px`,r.appendChild(l);const h=l.getContext("2d");if(e.renderFunction?(h.fillStyle=this.convertColorValues(e.waveColor,h),e.renderFunction(t,h)):this.renderWaveform(t,e,h),l.width>0&&l.height>0){const t=l.cloneNode(),i=t.getContext("2d");i.drawImage(l,0,0),i.globalCompositeOperation="source-in",i.fillStyle=this.convertColorValues(e.progressColor,i),i.fillRect(0,0,l.width,l.height),o.appendChild(t)}}renderMultiCanvas(t,e,i,n,s,r){const o=this.getPixelRatio(),{clientWidth:a}=this.scrollContainer,l=i/o,h=function({clientWidth:t,totalWidth:e,options:i}){return g(Math.min(8e3,t,e),i)}({clientWidth:a,totalWidth:l,options:e});let u={};if(0===h)return;const c=i=>{if(i<0||i>=d)return;if(u[i])return;u[i]=!0;const o=i*h;let a=Math.min(l-o,h);if(a=g(a,e),a<=0)return;const c=function({channelData:t,offset:e,clampedWidth:i,totalWidth:n}){return t.map((t=>{const s=Math.floor(e/n*t.length),r=Math.floor((e+i)/n*t.length);return t.slice(s,r)}))}({channelData:t,offset:o,clampedWidth:a,totalWidth:l});this.renderSingleCanvas(c,e,a,n,o,s,r)},d=Math.ceil(l/h);if(!this.isScrollable){for(let t=0;t<d;t++)c(t);return}if(f({scrollLeft:this.scrollContainer.scrollLeft,totalWidth:l,numCanvases:d}).forEach((t=>c(t))),d>1){const t=this.on("scroll",(()=>{const{scrollLeft:t}=this.scrollContainer;Object.keys(u).length>10&&(s.innerHTML="",r.innerHTML="",u={}),f({scrollLeft:t,totalWidth:l,numCanvases:d}).forEach((t=>c(t)))}));this.unsubscribeOnScroll.push(t)}}renderChannel(t,e,i,n){var{overlay:s}=e,r=function(t,e){var i={};for(var n in t)Object.prototype.hasOwnProperty.call(t,n)&&e.indexOf(n)<0&&(i[n]=t[n]);if(null!=t&&"function"==typeof Object.getOwnPropertySymbols){var s=0;for(n=Object.getOwnPropertySymbols(t);s<n.length;s++)e.indexOf(n[s])<0&&Object.prototype.propertyIsEnumerable.call(t,n[s])&&(i[n[s]]=t[n[s]])}return i}(e,["overlay"]);const o=document.createElement("div"),a=this.getHeight(r.height,r.splitChannels);o.style.height=`${a}px`,s&&n>0&&(o.style.marginTop=`-${a}px`),this.canvasWrapper.style.minHeight=`${a}px`,this.canvasWrapper.appendChild(o);const l=o.cloneNode();this.progressWrapper.appendChild(l),this.renderMultiCanvas(t,r,i,a,o,l)}render(e){return t(this,void 0,void 0,(function*(){var t;this.timeouts.forEach((t=>t())),this.timeouts=[],this.canvasWrapper.innerHTML="",this.progressWrapper.innerHTML="",null!=this.options.width&&(this.scrollContainer.style.width="number"==typeof this.options.width?`${this.options.width}px`:this.options.width);const i=this.getPixelRatio(),n=this.scrollContainer.clientWidth,{scrollWidth:s,isScrollable:r,useParentWidth:o,width:a}=function({duration:t,minPxPerSec:e=0,parentWidth:i,fillParent:n,pixelRatio:s}){const r=Math.ceil(t*e),o=r>i,a=Boolean(n&&!o);return{scrollWidth:r,isScrollable:o,useParentWidth:a,width:(a?i:r)*s}}({duration:e.duration,minPxPerSec:this.options.minPxPerSec||0,parentWidth:n,fillParent:this.options.fillParent,pixelRatio:i});if(this.isScrollable=r,this.wrapper.style.width=o?"100%":`${s}px`,this.scrollContainer.style.overflowX=this.isScrollable?"auto":"hidden",this.scrollContainer.classList.toggle("noScrollbar",!!this.options.hideScrollbar),this.cursor.style.backgroundColor=`${this.options.cursorColor||this.options.progressColor}`,this.cursor.style.width=`${this.options.cursorWidth}px`,this.audioData=e,this.emit("render"),this.options.splitChannels)for(let i=0;i<e.numberOfChannels;i++){const n=Object.assign(Object.assign({},this.options),null===(t=this.options.splitChannels)||void 0===t?void 0:t[i]);this.renderChannel([e.getChannelData(i)],n,a,i)}else{const t=[e.getChannelData(0)];e.numberOfChannels>1&&t.push(e.getChannelData(1)),this.renderChannel(t,this.options,a,0)}Promise.resolve().then((()=>this.emit("rendered")))}))}reRender(){if(this.unsubscribeOnScroll.forEach((t=>t())),this.unsubscribeOnScroll=[],!this.audioData)return;const{scrollWidth:t}=this.scrollContainer,{right:e}=this.progressWrapper.getBoundingClientRect();if(this.render(this.audioData),this.isScrollable&&t!==this.scrollContainer.scrollWidth){const{right:t}=this.progressWrapper.getBoundingClientRect(),i=function(t){const e=2*t;return(e<0?Math.floor(e):Math.ceil(e))/2}(t-e);this.scrollContainer.scrollLeft+=i}}zoom(t){this.options.minPxPerSec=t,this.reRender()}scrollIntoView(t,e=!1){const{scrollLeft:i,scrollWidth:n,clientWidth:s}=this.scrollContainer,r=t*n,o=i,a=i+s,l=s/2;if(this.isDragging){const t=30;r+t>a?this.scrollContainer.scrollLeft+=t:r-t<o&&(this.scrollContainer.scrollLeft-=t)}else{(r<o||r>a)&&(this.scrollContainer.scrollLeft=r-(this.options.autoCenter?l:0));const t=r-i-l;e&&this.options.autoCenter&&t>0&&(this.scrollContainer.scrollLeft+=t)}}renderProgress(t,e){if(isNaN(t))return;const i=100*t;this.canvasWrapper.style.clipPath=`polygon(${i}% 0%, 100% 0%, 100% 100%, ${i}% 100%)`,this.progressWrapper.style.width=`${i}%`,this.cursor.style.left=`${i}%`,this.cursor.style.transform=this.options.cursorWidth?`translateX(-${t*this.options.cursorWidth}px)`:"",this.isScrollable&&this.options.autoScroll&&this.audioData&&this.audioData.duration>0&&this.scrollIntoView(t,e)}exportImage(e,i,n){return t(this,void 0,void 0,(function*(){const t=this.canvasWrapper.querySelectorAll("canvas");if(!t.length)throw new Error("No waveform data");if("dataURL"===n){const n=Array.from(t).map((t=>t.toDataURL(e,i)));return Promise.resolve(n)}return Promise.all(Array.from(t).map((t=>new Promise(((n,s)=>{t.toBlob((t=>{t?n(t):s(new Error("Could not export image"))}),e,i)})))))}))}}class C extends e{constructor(){super(...arguments),this.animationFrameId=null,this.isRunning=!1}start(){if(this.isRunning)return;this.isRunning=!0;const t=()=>{this.isRunning&&(this.emit("tick"),this.animationFrameId=requestAnimationFrame(t))};t()}stop(){this.isRunning=!1,null!==this.animationFrameId&&(cancelAnimationFrame(this.animationFrameId),this.animationFrameId=null)}destroy(){this.stop()}}class S extends e{constructor(t=new AudioContext){super(),this.bufferNode=null,this.playStartTime=0,this.playedDuration=0,this._muted=!1,this._playbackRate=1,this._duration=void 0,this.buffer=null,this.currentSrc="",this.paused=!0,this.crossOrigin=null,this.seeking=!1,this.autoplay=!1,this.addEventListener=this.on,this.removeEventListener=this.un,this.audioContext=t,this.gainNode=this.audioContext.createGain(),this.gainNode.connect(this.audioContext.destination)}load(){return t(this,void 0,void 0,(function*(){}))}get src(){return this.currentSrc}set src(t){if(this.currentSrc=t,this._duration=void 0,!t)return this.buffer=null,void this.emit("emptied");fetch(t).then((e=>{if(e.status>=400)throw new Error(`Failed to fetch ${t}: ${e.status} (${e.statusText})`);return e.arrayBuffer()})).then((e=>this.currentSrc!==t?null:this.audioContext.decodeAudioData(e))).then((e=>{this.currentSrc===t&&(this.buffer=e,this.emit("loadedmetadata"),this.emit("canplay"),this.autoplay&&this.play())})).catch((t=>{console.error("WebAudioPlayer load error:",t)}))}_play(){if(!this.paused)return;this.paused=!1,this.bufferNode&&(this.bufferNode.onended=null,this.bufferNode.disconnect()),this.bufferNode=this.audioContext.createBufferSource(),this.buffer&&(this.bufferNode.buffer=this.buffer),this.bufferNode.playbackRate.value=this._playbackRate,this.bufferNode.connect(this.gainNode);let t=this.playedDuration*this._playbackRate;(t>=this.duration||t<0)&&(t=0,this.playedDuration=0),this.bufferNode.start(this.audioContext.currentTime,t),this.playStartTime=this.audioContext.currentTime,this.bufferNode.onended=()=>{this.currentTime>=this.duration&&(this.pause(),this.emit("ended"))}}_pause(){var t;this.paused=!0,null===(t=this.bufferNode)||void 0===t||t.stop(),this.playedDuration+=this.audioContext.currentTime-this.playStartTime}play(){return t(this,void 0,void 0,(function*(){this.paused&&(this._play(),this.emit("play"))}))}pause(){this.paused||(this._pause(),this.emit("pause"))}stopAt(t){const e=t-this.currentTime,i=this.bufferNode;null==i||i.stop(this.audioContext.currentTime+e),null==i||i.addEventListener("ended",(()=>{i===this.bufferNode&&(this.bufferNode=null,this.pause())}),{once:!0})}setSinkId(e){return t(this,void 0,void 0,(function*(){return this.audioContext.setSinkId(e)}))}get playbackRate(){return this._playbackRate}set playbackRate(t){this._playbackRate=t,this.bufferNode&&(this.bufferNode.playbackRate.value=t)}get currentTime(){return(this.paused?this.playedDuration:this.playedDuration+(this.audioContext.currentTime-this.playStartTime))*this._playbackRate}set currentTime(t){const e=!this.paused;e&&this._pause(),this.playedDuration=t/this._playbackRate,e&&this._play(),this.emit("seeking"),this.emit("timeupdate")}get duration(){var t,e;return null!==(t=this._duration)&&void 0!==t?t:(null===(e=this.buffer)||void 0===e?void 0:e.duration)||0}set duration(t){this._duration=t}get volume(){return this.gainNode.gain.value}set volume(t){this.gainNode.gain.value=t,this.emit("volumechange")}get muted(){return this._muted}set muted(t){this._muted!==t&&(this._muted=t,this._muted?this.gainNode.disconnect():this.gainNode.connect(this.audioContext.destination))}canPlayType(t){return/^(audio|video)\//.test(t)}getGainNode(){return this.gainNode}getChannelData(){const t=[];if(!this.buffer)return t;const e=this.buffer.numberOfChannels;for(let i=0;i<e;i++)t.push(this.buffer.getChannelData(i));return t}removeAttribute(t){switch(t){case"src":this.src="";break;case"playbackRate":this.playbackRate=0;break;case"currentTime":this.currentTime=0;break;case"duration":this.duration=0;break;case"volume":this.volume=0;break;case"muted":this.muted=!1}}}const E={waveColor:"#999",progressColor:"#555",cursorWidth:1,minPxPerSec:0,fillParent:!0,interact:!0,dragToSeek:!1,autoScroll:!0,autoCenter:!0,sampleRate:8e3};class w extends u{static create(t){return new w(t)}getState(){return this.wavesurferState}getRenderer(){return this.renderer}constructor(t){const e=t.media||("WebAudio"===t.backend?new S:void 0);super({media:e,mediaControls:t.mediaControls,autoplay:t.autoplay,playbackRate:t.audioRate}),this.plugins=[],this.decodedData=null,this.stopAtPosition=null,this.subscriptions=[],this.mediaSubscriptions=[],this.abortController=null,this.reactiveCleanups=[],this.options=Object.assign({},E,t);const{state:i,actions:n}=function(t){var e,i,n,s,r,o;const h=null!==(e=null==t?void 0:t.currentTime)&&void 0!==e?e:a(0),u=null!==(i=null==t?void 0:t.duration)&&void 0!==i?i:a(0),c=null!==(n=null==t?void 0:t.isPlaying)&&void 0!==n?n:a(!1),d=null!==(s=null==t?void 0:t.isSeeking)&&void 0!==s?s:a(!1),p=null!==(r=null==t?void 0:t.volume)&&void 0!==r?r:a(1),m=null!==(o=null==t?void 0:t.playbackRate)&&void 0!==o?o:a(1),g=a(null),f=a(null),v=a(""),b=a(0),y=a(0),C=l((()=>!c.value),[c]),S=l((()=>null!==g.value),[g]),E=l((()=>S.value&&u.value>0),[S,u]),w=l((()=>h.value),[h]),P=l((()=>u.value>0?h.value/u.value:0),[h,u]);return{state:{currentTime:h,duration:u,isPlaying:c,isPaused:C,isSeeking:d,volume:p,playbackRate:m,audioBuffer:g,peaks:f,url:v,zoom:b,scrollPosition:y,canPlay:S,isReady:E,progress:w,progressPercent:P},actions:{setCurrentTime:t=>{const e=Math.max(0,Math.min(u.value||1/0,t));h.set(e)},setDuration:t=>{u.set(Math.max(0,t))},setPlaying:t=>{c.set(t)},setSeeking:t=>{d.set(t)},setVolume:t=>{const e=Math.max(0,Math.min(1,t));p.set(e)},setPlaybackRate:t=>{const e=Math.max(.1,Math.min(16,t));m.set(e)},setAudioBuffer:t=>{g.set(t),t&&u.set(t.duration)},setPeaks:t=>{f.set(t)},setUrl:t=>{v.set(t)},setZoom:t=>{b.set(Math.max(0,t))},setScrollPosition:t=>{y.set(Math.max(0,t))}}}}({isPlaying:this.isPlayingSignal,currentTime:this.currentTimeSignal,duration:this.durationSignal,volume:this.volumeSignal,playbackRate:this.playbackRateSignal,isSeeking:this.seekingSignal});this.wavesurferState=i,this.wavesurferActions=n,this.timer=new C;const s=e?void 0:this.getMediaElement();this.renderer=new y(this.options,s),this.initPlayerEvents(),this.initRendererEvents(),this.initTimerEvents(),this.initReactiveState(),this.initPlugins();const r=this.options.url||this.getSrc()||"";Promise.resolve().then((()=>{this.emit("init");const{peaks:t,duration:e}=this.options;(r||t&&e)&&this.load(r,t,e).catch((t=>{this.emit("error",t instanceof Error?t:new Error(String(t)))}))}))}updateProgress(t=this.getCurrentTime()){return this.renderer.renderProgress(t/this.getDuration(),this.isPlaying()),t}initTimerEvents(){this.subscriptions.push(this.timer.on("tick",(()=>{if(!this.isSeeking()){const t=this.updateProgress();this.emit("timeupdate",t),this.emit("audioprocess",t),null!=this.stopAtPosition&&this.isPlaying()&&t>=this.stopAtPosition&&this.pause()}})))}initReactiveState(){this.reactiveCleanups.push(function(t,e){const i=[];i.push(h((()=>{const i=t.isPlaying.value;e.emit(i?"play":"pause")}),[t.isPlaying])),i.push(h((()=>{const i=t.currentTime.value;e.emit("timeupdate",i),t.isPlaying.value&&e.emit("audioprocess",i)}),[t.currentTime,t.isPlaying])),i.push(h((()=>{t.isSeeking.value&&e.emit("seeking",t.currentTime.value)}),[t.isSeeking,t.currentTime]));let n=!1;i.push(h((()=>{t.isReady.value&&!n&&(n=!0,e.emit("ready",t.duration.value))}),[t.isReady,t.duration]));let s=!1;return i.push(h((()=>{const i=t.isPlaying.value,n=t.currentTime.value,r=t.duration.value,o=r>0&&n>=r;s&&!i&&o&&e.emit("finish"),s=i&&o}),[t.isPlaying,t.currentTime,t.duration])),i.push(h((()=>{const i=t.zoom.value;i>0&&e.emit("zoom",i)}),[t.zoom])),()=>{i.forEach((t=>t()))}}(this.wavesurferState,{emit:this.emit.bind(this)}))}initPlayerEvents(){this.isPlaying()&&(this.emit("play"),this.timer.start()),this.mediaSubscriptions.push(this.onMediaEvent("timeupdate",(()=>{const t=this.updateProgress();this.emit("timeupdate",t)})),this.onMediaEvent("play",(()=>{this.emit("play"),this.timer.start()})),this.onMediaEvent("pause",(()=>{this.emit("pause"),this.timer.stop(),this.stopAtPosition=null})),this.onMediaEvent("emptied",(()=>{this.timer.stop(),this.stopAtPosition=null})),this.onMediaEvent("ended",(()=>{this.emit("timeupdate",this.getDuration()),this.emit("finish"),this.stopAtPosition=null})),this.onMediaEvent("seeking",(()=>{this.emit("seeking",this.getCurrentTime())})),this.onMediaEvent("error",(()=>{var t;this.emit("error",null!==(t=this.getMediaElement().error)&&void 0!==t?t:new Error("Media error")),this.stopAtPosition=null})))}initRendererEvents(){this.subscriptions.push(this.renderer.on("click",((t,e)=>{this.options.interact&&(this.seekTo(t),this.emit("interaction",t*this.getDuration()),this.emit("click",t,e))})),this.renderer.on("dblclick",((t,e)=>{this.emit("dblclick",t,e)})),this.renderer.on("scroll",((t,e,i,n)=>{const s=this.getDuration();this.emit("scroll",t*s,e*s,i,n)})),this.renderer.on("render",(()=>{this.emit("redraw")})),this.renderer.on("rendered",(()=>{this.emit("redrawcomplete")})),this.renderer.on("dragstart",(t=>{this.emit("dragstart",t)})),this.renderer.on("dragend",(t=>{this.emit("dragend",t)})),this.renderer.on("resize",(()=>{this.emit("resize")})));{let t;const e=this.renderer.on("drag",(e=>{var i;if(!this.options.interact)return;this.renderer.renderProgress(e),clearTimeout(t);let n=0;const s=this.options.dragToSeek;this.isPlaying()?n=0:!0===s?n=200:s&&"object"==typeof s&&(n=null!==(i=s.debounceTime)&&void 0!==i?i:200),t=setTimeout((()=>{this.seekTo(e)}),n),this.emit("interaction",e*this.getDuration()),this.emit("drag",e)}));this.subscriptions.push((()=>{clearTimeout(t),e()}))}}initPlugins(){var t;(null===(t=this.options.plugins)||void 0===t?void 0:t.length)&&this.options.plugins.forEach((t=>{this.registerPlugin(t)}))}unsubscribePlayerEvents(){this.mediaSubscriptions.forEach((t=>t())),this.mediaSubscriptions=[]}setOptions(t){this.options=Object.assign({},this.options,t),t.duration&&!t.peaks&&(this.decodedData=i.createBuffer(this.exportPeaks(),t.duration)),t.peaks&&t.duration&&(this.decodedData=i.createBuffer(t.peaks,t.duration)),this.renderer.setOptions(this.options),t.audioRate&&this.setPlaybackRate(t.audioRate),null!=t.mediaControls&&(this.getMediaElement().controls=t.mediaControls)}registerPlugin(t){if(this.plugins.includes(t))return t;t._init(this),this.plugins.push(t);const e=t.once("destroy",(()=>{this.plugins=this.plugins.filter((e=>e!==t)),this.subscriptions=this.subscriptions.filter((t=>t!==e))}));return this.subscriptions.push(e),t}unregisterPlugin(t){this.plugins=this.plugins.filter((e=>e!==t)),t.destroy()}getWrapper(){return this.renderer.getWrapper()}getWidth(){return this.renderer.getWidth()}getScroll(){return this.renderer.getScroll()}setScroll(t){return this.renderer.setScroll(t)}setScrollTime(t){const e=t/this.getDuration();this.renderer.setScrollPercentage(e)}getActivePlugins(){return this.plugins}loadAudio(e,n,s,r){return t(this,void 0,void 0,(function*(){var t;if(this.emit("load",e),!this.options.media&&this.isPlaying()&&this.pause(),this.decodedData=null,this.stopAtPosition=null,null===(t=this.abortController)||void 0===t||t.abort(),this.abortController=null,!n&&!s){const t=this.options.fetchParams||{};window.AbortController&&!t.signal&&(this.abortController=new AbortController,t.signal=this.abortController.signal);const i=t=>this.emit("loading",t);n=yield o.fetchBlob(e,i,t);const s=this.options.blobMimeType;s&&(n=new Blob([n],{type:s}))}this.setSrc(e,n);const a=yield new Promise((t=>{const e=r||this.getDuration();e?t(e):this.mediaSubscriptions.push(this.onMediaEvent("loadedmetadata",(()=>t(this.getDuration())),{once:!0}))}));if(!e&&!n){const t=this.getMediaElement();t instanceof S&&(t.duration=a)}if(s)this.decodedData=i.createBuffer(s,a||0);else if(n){const t=yield n.arrayBuffer();this.decodedData=yield i.decode(t,this.options.sampleRate)}this.decodedData&&(this.emit("decode",this.getDuration()),this.renderer.render(this.decodedData)),this.emit("ready",this.getDuration())}))}load(e,i,n){return t(this,void 0,void 0,(function*(){try{return yield this.loadAudio(e,void 0,i,n)}catch(t){throw this.emit("error",t),t}}))}loadBlob(e,i,n){return t(this,void 0,void 0,(function*(){try{return yield this.loadAudio("",e,i,n)}catch(t){throw this.emit("error",t),t}}))}zoom(t){if(!this.decodedData)throw new Error("No audio loaded");this.renderer.zoom(t),this.emit("zoom",t)}getDecodedData(){return this.decodedData}exportPeaks({channels:t=2,maxLength:e=8e3,precision:i=1e4}={}){if(!this.decodedData)throw new Error("The audio has not been decoded yet");const n=Math.min(t,this.decodedData.numberOfChannels),s=[];for(let t=0;t<n;t++){const n=this.decodedData.getChannelData(t),r=[],o=n.length/e;for(let t=0;t<e;t++){const e=n.slice(Math.floor(t*o),Math.ceil((t+1)*o));let s=0;for(let t=0;t<e.length;t++){const i=e[t];Math.abs(i)>Math.abs(s)&&(s=i)}r.push(Math.round(s*i)/i)}s.push(r)}return s}getDuration(){let t=super.getDuration()||0;return 0!==t&&t!==1/0||!this.decodedData||(t=this.decodedData.duration),t}toggleInteraction(t){this.options.interact=t}setTime(t){this.stopAtPosition=null,super.setTime(t),this.updateProgress(t),this.emit("timeupdate",t)}seekTo(t){const e=this.getDuration()*t;this.setTime(e)}play(e,i){const n=Object.create(null,{play:{get:()=>super.play}});return t(this,void 0,void 0,(function*(){null!=e&&this.setTime(e);const t=yield n.play.call(this);return null!=i&&(this.media instanceof S?this.media.stopAt(i):this.stopAtPosition=i),t}))}playPause(){return t(this,void 0,void 0,(function*(){return this.isPlaying()?this.pause():this.play()}))}stop(){this.pause(),this.setTime(0)}skip(t){this.setTime(this.getCurrentTime()+t)}empty(){this.load("",[[0]],.001)}setMediaElement(t){this.unsubscribePlayerEvents(),super.setMediaElement(t),this.initPlayerEvents()}exportImage(){return t(this,arguments,void 0,(function*(t="image/png",e=1,i="dataURL"){return this.renderer.exportImage(t,e,i)}))}destroy(){var t;this.emit("destroy"),null===(t=this.abortController)||void 0===t||t.abort(),this.plugins.forEach((t=>t.destroy())),this.subscriptions.forEach((t=>t())),this.unsubscribePlayerEvents(),this.reactiveCleanups.forEach((t=>t())),this.reactiveCleanups=[],this.timer.destroy(),this.renderer.destroy(),super.destroy()}}return w.BasePlugin=class extends e{constructor(t){super(),this.subscriptions=[],this.isDestroyed=!1,this.options=t}onInit(){}_init(t){this.isDestroyed&&(this.subscriptions=[],this.isDestroyed=!1),this.wavesurfer=t,this.onInit()}destroy(){this.emit("destroy"),this.subscriptions.forEach((t=>t())),this.subscriptions=[],this.isDestroyed=!0,this.wavesurfer=void 0}},w.dom=r,w}));
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