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@arraypress/waveform-player

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Lightweight, customizable audio player with waveform visualization

waveformplayer.com

arraypress/waveform-player

63 lines (60 loc) • 28.6 kB
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function L(t){let e={};if(t.dataset.url&&(e.url=t.dataset.url),t.dataset.height&&(e.height=parseInt(t.dataset.height)),t.dataset.samples&&(e.samples=parseInt(t.dataset.samples)),t.dataset.preload&&(e.preload=t.dataset.preload),t.dataset.waveformStyle&&(e.waveformStyle=t.dataset.waveformStyle),t.dataset.barWidth&&(e.barWidth=parseInt(t.dataset.barWidth)),t.dataset.barSpacing&&(e.barSpacing=parseInt(t.dataset.barSpacing)),t.dataset.buttonAlign&&(e.buttonAlign=t.dataset.buttonAlign),t.dataset.colorPreset&&(e.colorPreset=t.dataset.colorPreset),t.dataset.waveformColor&&(e.waveformColor=t.dataset.waveformColor),t.dataset.progressColor&&(e.progressColor=t.dataset.progressColor),t.dataset.buttonColor&&(e.buttonColor=t.dataset.buttonColor),t.dataset.buttonHoverColor&&(e.buttonHoverColor=t.dataset.buttonHoverColor),t.dataset.textColor&&(e.textColor=t.dataset.textColor),t.dataset.textSecondaryColor&&(e.textSecondaryColor=t.dataset.textSecondaryColor),t.dataset.backgroundColor&&(e.backgroundColor=t.dataset.backgroundColor),t.dataset.borderColor&&(e.borderColor=t.dataset.borderColor),t.dataset.color&&(e.waveformColor=t.dataset.color),t.dataset.theme&&(e.colorPreset=t.dataset.theme),t.dataset.autoplay&&(e.autoplay=t.dataset.autoplay==="true"),t.dataset.showTime&&(e.showTime=t.dataset.showTime==="true"),t.dataset.showHoverTime&&(e.showHoverTime=t.dataset.showHoverTime==="true"),t.dataset.showBpm&&(e.showBPM=t.dataset.showBpm==="true"),t.dataset.singlePlay&&(e.singlePlay=t.dataset.singlePlay==="true"),t.dataset.playOnSeek&&(e.playOnSeek=t.dataset.playOnSeek==="true"),t.dataset.title&&(e.title=t.dataset.title),t.dataset.subtitle&&(e.subtitle=t.dataset.subtitle),t.dataset.album&&(e.album=t.dataset.album),t.dataset.artwork&&(e.artwork=t.dataset.artwork),t.dataset.waveform&&(e.waveform=t.dataset.waveform),t.dataset.markers)try{e.markers=JSON.parse(t.dataset.markers)}catch(i){console.warn("Invalid markers JSON:",i)}if(t.dataset.playbackRate&&(e.playbackRate=parseFloat(t.dataset.playbackRate)),t.dataset.showPlaybackSpeed!==void 0&&(e.showPlaybackSpeed=t.dataset.showPlaybackSpeed==="true"),t.dataset.playbackRates)try{e.playbackRates=JSON.parse(t.dataset.playbackRates)}catch(i){console.warn("Invalid playbackRates JSON:",i)}return t.dataset.enableMediaSession!==void 0&&(e.enableMediaSession=t.dataset.enableMediaSession==="true"),e}function P(t){if(!t||isNaN(t))return"0:00";let e=Math.floor(t/60),i=Math.floor(t%60);return`${e}:${i.toString().padStart(2,"0")}`}function A(t){let e=t||Math.random().toString();return btoa(e.substring(0,10)).replace(/[^a-zA-Z0-9]/g,"")}function R(t){if(!t)return"Audio";let e=t.split("/");return e[e.length-1].split(".")[0].replace(/[-_]/g," ").replace(/\b\w/g,a=>a.toUpperCase())}function C(...t){let e={};for(let i of t)for(let o in i)i[o]!==null&&i[o]!==void 0&&(e[o]=i[o]);return e}function B(t,e){let i;return function(...a){let n=()=>{clearTimeout(i),t(...a)};clearTimeout(i),i=setTimeout(n,e)}}function S(t,e){if(t.length===e)return t;if(t.length===0||e===0)return[];let i=[];if(e>t.length){let o=(t.length-1)/(e-1);for(let a=0;a<e;a++){let n=a*o,r=Math.floor(n),s=Math.ceil(n),h=n-r;if(s>=t.length)i.push(t[t.length-1]);else if(r===s)i.push(t[r]);else{let l=t[r]*(1-h)+t[s]*h;i.push(l)}}}else{let o=t.length/e;for(let a=0;a<e;a++){let n=Math.floor(a*o),r=Math.floor((a+1)*o),s=0,h=0;for(let l=n;l<=r&&l<t.length;l++)t[l]>s&&(s=t[l]),h++;if(h===0){let l=Math.min(Math.round(a*o),t.length-1);s=t[l]}i.push(s)}}return i}function x(t,e,i,o,a){let n=window.devicePixelRatio||1,r=a.barWidth*n,s=a.barSpacing*n,h=Math.floor(e.width/(r+s)),l=S(i,h),d=e.height,p=o*e.width;t.clearRect(0,0,e.width,e.height);for(let y=0;y<l.length;y++){let f=y*(r+s);if(f+r>e.width)break;let c=l[y]*d*.9,m=d-c;t.fillStyle=a.color,t.fillRect(f,m,r,c)}t.save(),t.beginPath(),t.rect(0,0,p,d),t.clip();for(let y=0;y<l.length;y++){let f=y*(r+s);if(f>p)break;let c=l[y]*d*.9,m=d-c;t.fillStyle=a.progressColor,t.fillRect(f,m,r,c)}t.restore()}function q(t,e,i,o,a){let n=window.devicePixelRatio||1,r=a.barWidth*n,s=a.barSpacing*n,h=Math.floor(e.width/(r+s)),l=S(i,h),d=e.height,p=d/2,y=o*e.width;t.clearRect(0,0,e.width,e.height);for(let f=0;f<l.length;f++){let c=f*(r+s);if(c+r>e.width)break;let m=l[f]*d*.45;t.fillStyle=a.color,t.fillRect(c,p-m,r,m),t.fillRect(c,p,r,m)}t.save(),t.beginPath(),t.rect(0,0,y,d),t.clip();for(let f=0;f<l.length;f++){let c=f*(r+s);if(c>y)break;let m=l[f]*d*.45;t.fillStyle=a.progressColor,t.fillRect(c,p-m,r,m),t.fillRect(c,p,r,m)}t.restore()}function $(t,e,i,o,a){let n=e.width,r=e.height,s=r/2,h=r*.35;t.clearRect(0,0,n,r);let l=(d,p,y=1,f=!1)=>{f&&(t.shadowBlur=12,t.shadowColor=d),t.strokeStyle=d,t.lineWidth=p,t.lineCap="round",t.lineJoin="round",t.beginPath(),t.moveTo(0,s);let c=[],m=Math.floor(i.length*y);for(let u=0;u<m;u++){let v=u/(i.length-1)*n,k=i[u],b=Math.sin(u*.1)*k,w=s+b*h;c.push({x:v,y:w})}for(let u=0;u<c.length-1;u++){let v=c[u].x+(c[u+1].x-c[u].x)*.5,k=c[u].y,b=c[u+1].x-(c[u+1].x-c[u].x)*.5,w=c[u+1].y;t.bezierCurveTo(v,k,b,w,c[u+1].x,c[u+1].y)}t.stroke(),f&&(t.shadowBlur=0)};t.strokeStyle="rgba(255, 255, 255, 0.03)",t.lineWidth=.5,t.beginPath(),t.moveTo(0,s),t.lineTo(n,s),t.stroke();for(let d=0;d<=10;d++){let p=n/10*d;t.beginPath(),t.moveTo(p,0),t.lineTo(p,r),t.stroke()}l(a.color,2,1,!1),o>0&&l(a.progressColor,3,o,!0)}function U(t,e,i,o,a){let n=window.devicePixelRatio||1,r=(a.barWidth||3)*n,s=(a.barSpacing||1)*n,h=Math.floor(e.width/(r+s)),l=S(i,h),d=e.height,p=4*n,y=2*n,f=o*e.width,c=d/2;t.clearRect(0,0,e.width,e.height);for(let m=0;m<l.length;m++){let u=m*(r+s);if(u+r>e.width)break;let v=l[m]*d*.9,k=Math.floor(v/(p+y));t.fillStyle=u<f?a.progressColor:a.color;for(let b=0;b<k;b++){let w=b*(p+y);t.fillRect(u,c-w-p,r,p),b>0&&t.fillRect(u,c+w,r,p)}}}function F(t,e,i,o,a){let n=window.devicePixelRatio||1,r=(a.barWidth||2)*n,s=(a.barSpacing||3)*n,h=Math.floor(e.width/(r+s)),l=S(i,h),d=e.height,p=Math.max(1.5*n,r/2),y=o*e.width,f=d/2;t.clearRect(0,0,e.width,e.height);for(let c=0;c<l.length;c++){let m=c*(r+s)+r/2;if(m>e.width)break;let u=l[c]*d*.9;t.fillStyle=m<y?a.progressColor:a.color,t.beginPath(),t.arc(m,f-u/2,p,0,Math.PI*2),t.fill(),t.beginPath(),t.arc(m,f+u/2,p,0,Math.PI*2),t.fill()}}function N(t,e,i,o,a){let n=e.width,r=e.height,s=r/2,h=4,l=h/2;if(t.clearRect(0,0,n,r),t.fillStyle=a.color||"rgba(255, 255, 255, 0.2)",t.beginPath(),t.moveTo(l,s-h/2),t.lineTo(n-l,s-h/2),t.arc(n-l,s,h/2,-Math.PI/2,Math.PI/2),t.lineTo(l,s+h/2),t.arc(l,s,h/2,Math.PI/2,-Math.PI/2),t.closePath(),t.fill(),o>0){let d=Math.max(l*2,o*n);t.shadowBlur=8,t.shadowColor=a.progressColor,t.fillStyle=a.progressColor||"rgba(255, 255, 255, 0.9)",t.beginPath(),t.moveTo(l,s-h/2),t.lineTo(d-l,s-h/2),t.arc(d-l,s,h/2,-Math.PI/2,Math.PI/2),t.lineTo(l,s+h/2),t.arc(l,s,h/2,Math.PI/2,-Math.PI/2),t.closePath(),t.fill(),t.shadowBlur=0;let p=8,y=d;t.shadowBlur=4,t.shadowColor="rgba(0, 0, 0, 0.3)",t.shadowOffsetY=2,t.fillStyle="#ffffff",t.beginPath(),t.arc(y,s,p,0,Math.PI*2),t.fill(),t.shadowBlur=0,t.shadowOffsetY=0,t.fillStyle=a.progressColor||"rgba(255, 255, 255, 0.9)",t.beginPath(),t.arc(y,s,p*.4,0,Math.PI*2),t.fill()}}var Y={bars:x,mirror:q,line:$,blocks:U,dots:F,seekbar:N};function W(t,e,i,o,a){(Y[a.waveformStyle]||x)(t,e,i,o,a)}function I(t){try{let e=t.getChannelData(0),i=t.sampleRate,o=j(e,i);if(o.length<2)return 120;let a=[];for(let h=1;h<o.length;h++)a.push((o[h]-o[h-1])/i);let n={};a.forEach(h=>{let l=60/h,d=Math.round(l/3)*3;d>60&&d<200&&(n[d]=(n[d]||0)+1)});let r=0,s=120;for(let[h,l]of Object.entries(n))l>r&&(r=l,s=parseInt(h));return s<70&&n[s*2]?s*=2:s>160&&n[Math.round(s/2)]&&(s=Math.round(s/2)),s-1}catch(e){return console.warn("BPM detection failed:",e),null}}function j(t,e){let a=[],n=0;for(let r=0;r<t.length-2048;r+=1024){let s=0;for(let d=r;d<r+2048;d++)s+=t[d]*t[d];s=s/2048;let h=s-n,l=n*1.8+.01;if(h>l&&s>.01){let d=a[a.length-1]||0,p=e*.15;r-d>p&&a.push(r)}n=s*.8+n*.2}return a}function V(t,e=200){let i=t.length/e,o=~~(i/10)||1,a=t.numberOfChannels,n=[];for(let s=0;s<a;s++){let h=t.getChannelData(s);for(let l=0;l<e;l++){let d=~~(l*i),p=~~(d+i),y=0,f=0;for(let m=d;m<p;m+=o){let u=h[m];u>f&&(f=u),u<y&&(y=u)}let c=Math.max(Math.abs(f),Math.abs(y));(s===0||c>n[l])&&(n[l]=c)}}let r=Math.max(...n);return r>0?n.map(s=>s/r):n}async function M(t,e=200,i=!1){try{let o=new(window.AudioContext||window.webkitAudioContext),n=await(await fetch(t)).arrayBuffer(),r=await o.decodeAudioData(n),s=V(r,e);s=J(s);let h=null;return i&&(h=await I(r)),o.close(),{peaks:s,bpm:h}}catch(o){throw console.error("Failed to generate waveform:",o),o}}function D(t=200){let e=[];for(let i=0;i<t;i++){let o=Math.random()*.5+.3,a=Math.sin(i/t*Math.PI*4)*.2;e.push(Math.max(.1,Math.min(1,o+a)))}return e}function J(t,e=.95){let i=Math.max(...t);if(i===0||i>e)return t;let o=e/i;return t.map(a=>a*o)}function G(){let t=document.documentElement,e=document.body;if(t.classList.contains("dark")||t.classList.contains("dark-mode")||t.classList.contains("theme-dark")||t.getAttribute("data-theme")==="dark"||t.getAttribute("data-color-scheme")==="dark"||e.classList.contains("dark")||e.classList.contains("dark-mode")||e.getAttribute("data-theme")==="dark")return"dark";if(t.classList.contains("light")||t.classList.contains("light-mode")||t.classList.contains("theme-light")||t.getAttribute("data-theme")==="light"||t.getAttribute("data-color-scheme")==="light"||e.classList.contains("light")||e.classList.contains("light-mode")||e.getAttribute("data-theme")==="light")return"light";try{let o=getComputedStyle(document.body).backgroundColor.match(/\d+/g);if(o&&o.length>=3){let[a,n,r]=o.map(Number),s=(a*299+n*587+r*114)/1e3;if(s>128)return"light";if(s<128)return"dark"}}catch{}if(window.matchMedia){if(window.matchMedia("(prefers-color-scheme: dark)").matches)return"dark";if(window.matchMedia("(prefers-color-scheme: light)").matches)return"light"}return"dark"}var E={dark:{waveformColor:"rgba(255, 255, 255, 0.3)",progressColor:"rgba(255, 255, 255, 0.9)",buttonColor:"rgba(255, 255, 255, 0.9)",buttonHoverColor:"rgba(255, 255, 255, 1)",textColor:"#ffffff",textSecondaryColor:"rgba(255, 255, 255, 0.6)",backgroundColor:"rgba(255, 255, 255, 0.03)",borderColor:"rgba(255, 255, 255, 0.1)"},light:{waveformColor:"rgba(0, 0, 0, 0.2)",progressColor:"rgba(0, 0, 0, 0.8)",buttonColor:"rgba(0, 0, 0, 0.8)",buttonHoverColor:"rgba(0, 0, 0, 0.9)",textColor:"#333333",textSecondaryColor:"rgba(0, 0, 0, 0.6)",backgroundColor:"rgba(0, 0, 0, 0.02)",borderColor:"rgba(0, 0, 0, 0.1)"}};function O(t){if(t&&E[t])return E[t];let e=G();return E[e]}var z={url:"",height:60,samples:200,preload:"metadata",playbackRate:1,showPlaybackSpeed:!1,playbackRates:[.5,.75,1,1.25,1.5,1.75,2],buttonAlign:"auto",waveformStyle:"mirror",barWidth:2,barSpacing:0,colorPreset:null,waveformColor:null,progressColor:null,buttonColor:null,buttonHoverColor:null,textColor:null,textSecondaryColor:null,backgroundColor:null,borderColor:null,autoplay:!1,showTime:!0,showHoverTime:!1,showBPM:!1,singlePlay:!0,playOnSeek:!0,enableMediaSession:!0,markers:[],showMarkers:!0,title:null,subtitle:null,artwork:null,album:"",playIcon:'<svg viewBox="0 0 24 24" width="16" height="16"><path d="M8 5v14l11-7z"/></svg>',pauseIcon:'<svg viewBox="0 0 24 24" width="16" height="16"><path d="M6 4h4v16H6zM14 4h4v16h-4z"/></svg>',onLoad:null,onPlay:null,onPause:null,onEnd:null,onError:null,onTimeUpdate:null},H={bars:{barWidth:3,barSpacing:1},mirror:{barWidth:2,barSpacing:0},line:{barWidth:2,barSpacing:0},blocks:{barWidth:4,barSpacing:2},dots:{barWidth:3,barSpacing:3},seekbar:{barWidth:1,barSpacing:0}};var g=class t{static instances=new Map;static currentlyPlaying=null;constructor(e,i={}){if(this.container=typeof e=="string"?document.querySelector(e):e,!this.container)throw new Error("WaveformPlayer: Container element not found");let o=L(this.container);this.options=C(z,o,i);let a=O(this.options.colorPreset);for(let[r,s]of Object.entries(a))(this.options[r]===null||this.options[r]===void 0)&&(this.options[r]=s);let n=H[this.options.waveformStyle];n&&(o.barWidth===void 0&&i.barWidth===void 0&&(this.options.barWidth=n.barWidth),o.barSpacing===void 0&&i.barSpacing===void 0&&(this.options.barSpacing=n.barSpacing)),this.audio=null,this.canvas=null,this.ctx=null,this.waveformData=[],this.progress=0,this.isPlaying=!1,this.isLoading=!1,this.hasError=!1,this.updateTimer=null,this.resizeObserver=null,this.id=this.container.id||A(this.options.url),t.instances.set(this.id,this),this.init(),setTimeout(()=>{this.container.dispatchEvent(new CustomEvent("waveformplayer:ready",{detail:{player:this,url:this.options.url}}))},100)}init(){this.createDOM(),this.createAudio(),this.initPlaybackSpeed(),this.initKeyboardControls(),this.bindEvents(),this.setupResizeObserver(),requestAnimationFrame(()=>{this.resizeCanvas(),this.options.url&&this.load(this.options.url).then(()=>{this.options.autoplay&&this.play()}).catch(e=>{console.error("Failed to load audio:",e)})})}createDOM(){this.container.innerHTML="",this.container.className="waveform-player";let e=this.options.buttonAlign;e==="auto"&&(this.options.waveformStyle==="bars"?e="bottom":e="center"),this.container.innerHTML=` <div class="waveform-player-inner"> <div class="waveform-body"> <div class="waveform-track waveform-align-${e}"> <button class="waveform-btn" aria-label="Play/Pause" style=" border-color: ${this.options.buttonColor}; color: ${this.options.buttonColor}; "> <span class="waveform-icon-play">${this.options.playIcon}</span> <span class="waveform-icon-pause" style="display:none;">${this.options.pauseIcon}</span> </button> <div class="waveform-container"> <canvas></canvas> <div class="waveform-markers"></div> <div class="waveform-loading" style="display:none;"></div> <div class="waveform-error" style="display:none;"> <span class="waveform-error-text">Unable to load audio</span> </div> </div> </div> <div class="waveform-info"> ${this.options.artwork?` <img class="waveform-artwork" src="${this.options.artwork}" alt="Album artwork" style=" width: 40px; height: 40px; border-radius: 4px; object-fit: cover; flex-shrink: 0; "> `:""} <div class="waveform-text"> <span class="waveform-title" style="color: ${this.options.textColor};"></span> ${this.options.subtitle?`<span class="waveform-subtitle" style="color: ${this.options.textSecondaryColor};">${this.options.subtitle}</span>`:""} </div> <div style="display: flex; align-items: center; gap: 1rem;"> ${this.options.showBPM?` <span class="waveform-bpm" style="color: ${this.options.textSecondaryColor}; display: none;"> <span class="bpm-value">--</span> BPM </span> `:""} ${this.options.showPlaybackSpeed?` <div class="waveform-speed"> <button class="speed-btn" aria-label="Playback speed"> <span class="speed-value">1x</span> </button> <div class="speed-menu" style="display: none;"> ${this.options.playbackRates.map(i=>`<button class="speed-option" data-rate="${i}">${i}x</button>`).join("")} </div> </div> `:""} ${this.options.showTime?` <span class="waveform-time" style="color: ${this.options.textSecondaryColor};"> <span class="time-current">0:00</span> / <span class="time-total">0:00</span> </span> `:""} </div> </div> </div> </div> `,this.playBtn=this.container.querySelector(".waveform-btn"),this.canvas=this.container.querySelector("canvas"),this.ctx=this.canvas.getContext("2d"),this.titleEl=this.container.querySelector(".waveform-title"),this.subtitleEl=this.container.querySelector(".waveform-subtitle"),this.artworkEl=this.container.querySelector(".waveform-artwork"),this.currentTimeEl=this.container.querySelector(".time-current"),this.totalTimeEl=this.container.querySelector(".time-total"),this.bpmEl=this.container.querySelector(".waveform-bpm"),this.bpmValueEl=this.container.querySelector(".bpm-value"),this.loadingEl=this.container.querySelector(".waveform-loading"),this.errorEl=this.container.querySelector(".waveform-error"),this.markersContainer=this.container.querySelector(".waveform-markers"),this.speedBtn=this.container.querySelector(".speed-btn"),this.speedMenu=this.container.querySelector(".speed-menu"),this.resizeCanvas()}createAudio(){this.audio=new Audio,this.audio.preload=this.options.preload||"metadata",this.audio.crossOrigin="anonymous"}initPlaybackSpeed(){this.options.playbackRate&&this.options.playbackRate!==1&&(this.audio.playbackRate=this.options.playbackRate),this.options.showPlaybackSpeed&&this.initSpeedControls()}initSpeedControls(){let e=this.container.querySelector(".speed-btn"),i=this.container.querySelector(".speed-menu");!e||!i||(e.addEventListener("click",o=>{o.stopPropagation(),i.style.display=i.style.display==="none"?"block":"none"}),document.addEventListener("click",()=>{i.style.display="none"}),i.addEventListener("click",o=>{if(o.stopPropagation(),o.target.classList.contains("speed-option")){let a=parseFloat(o.target.dataset.rate);this.setPlaybackRate(a),i.style.display="none"}}),this.updateSpeedUI())}initKeyboardControls(){this.container.setAttribute("tabindex","-1"),this.container.addEventListener("click",()=>{t.getAllInstances().forEach(e=>{e!==this&&e.container.setAttribute("tabindex","-1")}),this.container.setAttribute("tabindex","0"),this.container.focus()}),this.container.addEventListener("keydown",e=>{if(document.activeElement!==this.container)return;let i=e.key,o=this.audio.currentTime;if(i>="0"&&i<="9"){e.preventDefault(),this.seekToPercent(parseInt(i)/10);return}let a={" ":()=>this.togglePlay(),ArrowLeft:()=>this.seekTo(Math.max(0,o-5)),ArrowRight:()=>this.seekTo(Math.min(this.audio.duration,o+5)),ArrowUp:()=>this.setVolume(Math.min(1,this.audio.volume+.1)),ArrowDown:()=>this.setVolume(Math.max(0,this.audio.volume-.1)),m:()=>this.audio.muted=!this.audio.muted,M:()=>this.audio.muted=!this.audio.muted};a[i]&&(e.preventDefault(),a[i]())})}initMediaSession(){!("mediaSession"in navigator)||!this.options.enableMediaSession||(navigator.mediaSession.metadata=new MediaMetadata({title:this.options.title||"Unknown Track",artist:this.options.subtitle||"",album:this.options.album||"",artwork:this.options.artwork?[{src:this.options.artwork,sizes:"512x512",type:"image/jpeg"}]:[]}),navigator.mediaSession.setActionHandler("play",()=>this.play()),navigator.mediaSession.setActionHandler("pause",()=>this.pause()),navigator.mediaSession.setActionHandler("seekbackward",()=>{this.seekTo(Math.max(0,this.audio.currentTime-10))}),navigator.mediaSession.setActionHandler("seekforward",()=>{this.seekTo(Math.min(this.audio.duration,this.audio.currentTime+10))}),navigator.mediaSession.setActionHandler("seekto",e=>{e.seekTime!==null&&this.seekTo(e.seekTime)}))}bindEvents(){this.playBtn.addEventListener("click",()=>this.togglePlay()),this.audio.addEventListener("loadstart",()=>this.setLoading(!0)),this.audio.addEventListener("loadedmetadata",()=>this.onMetadataLoaded()),this.audio.addEventListener("canplay",()=>this.setLoading(!1)),this.audio.addEventListener("play",()=>this.onPlay()),this.audio.addEventListener("pause",()=>this.onPause()),this.audio.addEventListener("ended",()=>this.onEnded()),this.audio.addEventListener("error",e=>this.onError(e)),this.canvas.addEventListener("click",e=>this.handleCanvasClick(e)),window.addEventListener("resize",B(()=>this.resizeCanvas(),100))}setupResizeObserver(){"ResizeObserver"in window&&(this.resizeObserver=new ResizeObserver(()=>{this.resizeCanvas()}),this.canvas?.parentElement&&this.resizeObserver.observe(this.canvas.parentElement))}async load(e){try{this.setLoading(!0),this.progress=0,this.hasError=!1,this.audio.src=e,await new Promise((o,a)=>{let n=()=>{this.audio.removeEventListener("loadedmetadata",n),this.audio.removeEventListener("error",r),o()},r=s=>{this.audio.removeEventListener("loadedmetadata",n),this.audio.removeEventListener("error",r),a(s)};this.audio.addEventListener("loadedmetadata",n),this.audio.addEventListener("error",r)});let i=this.options.title||R(e);if(this.titleEl&&(this.titleEl.textContent=i),this.options.waveform)this.setWaveformData(this.options.waveform);else try{let o=await M(e,this.options.samples,this.options.showBPM);this.waveformData=o.peaks,o.bpm&&(this.detectedBPM=o.bpm,this.updateBPMDisplay())}catch(o){console.warn("Using placeholder waveform:",o),this.waveformData=D(this.options.samples)}this.drawWaveform(),this.renderMarkers(),this.initMediaSession(),this.options.onLoad&&this.options.onLoad(this)}catch(i){console.error("Failed to load audio:",i),this.onError(i)}finally{this.setLoading(!1)}}async loadTrack(e,i=null,o=null,a={}){this.isPlaying&&this.pause(),this.audio.src="",this.audio.load(),this.hasError=!1,this.errorEl&&(this.errorEl.style.display="none"),this.canvas&&(this.canvas.style.opacity="1"),this.playBtn&&(this.playBtn.disabled=!1),this.progress=0,this.waveformData=[],this.options=C(this.options,{url:e,title:i||this.options.title,subtitle:o||this.options.subtitle,...a}),a.preload&&(this.audio.preload=a.preload),this.subtitleEl&&(o?(this.subtitleEl.textContent=o,this.subtitleEl.style.display=""):o===""&&(this.subtitleEl.style.display="none")),a.artwork&&this.artworkEl&&(this.artworkEl.src=a.artwork),a.markers&&(this.options.markers=a.markers),await this.load(e),this.play()}setWaveformData(e){if(typeof e=="string")try{let i=JSON.parse(e);this.waveformData=Array.isArray(i)?i:[]}catch{this.waveformData=e.split(",").map(Number)}else this.waveformData=Array.isArray(e)?e:[];this.drawWaveform()}drawWaveform(){!this.ctx||this.waveformData.length===0||W(this.ctx,this.canvas,this.waveformData,this.progress,{...this.options,waveformStyle:this.options.waveformStyle||"bars",color:this.options.waveformColor,progressColor:this.options.progressColor})}resizeCanvas(){let e=window.devicePixelRatio||1,i=this.canvas.getBoundingClientRect();this.canvas.width=i.width*e,this.canvas.height=this.options.height*e,this.canvas.style.height=this.options.height+"px",this.canvas.parentElement.style.height=this.options.height+"px",this.drawWaveform()}renderMarkers(){!this.options.showMarkers||!this.options.markers?.length||!this.markersContainer||(this.markersContainer.innerHTML="",!(!this.audio||!this.audio.duration||this.audio.duration===0)&&this.options.markers.forEach((e,i)=>{if(e.time>this.audio.duration){console.warn(`Marker "${e.label}" at ${e.time}s exceeds audio duration of ${this.audio.duration}s`);return}let o=e.time/this.audio.duration*100,a=document.createElement("button");a.className="waveform-marker",a.style.left=`${o}%`,a.style.backgroundColor=e.color||"rgba(255, 255, 255, 0.5)",a.setAttribute("aria-label",e.label),a.setAttribute("data-time",e.time);let n=document.createElement("span");n.className="waveform-marker-tooltip",n.textContent=e.label,a.appendChild(n),a.addEventListener("click",r=>{r.stopPropagation(),this.seekTo(e.time),this.options.playOnSeek&&!this.isPlaying&&this.play()}),this.markersContainer.appendChild(a)}))}handleCanvasClick(e){if(!this.audio.duration)return;let i=this.canvas.getBoundingClientRect(),o=e.clientX-i.left,a=Math.max(0,Math.min(1,o/i.width));this.seekToPercent(a)}setLoading(e){this.isLoading=e,this.loadingEl&&(this.loadingEl.style.display=e?"block":"none")}onMetadataLoaded(){this.totalTimeEl&&(this.totalTimeEl.textContent=P(this.audio.duration)),this.renderMarkers()}onPlay(){this.isPlaying=!0,this.playBtn.classList.add("playing");let e=this.playBtn.querySelector(".waveform-icon-play"),i=this.playBtn.querySelector(".waveform-icon-pause");e&&(e.style.display="none"),i&&(i.style.display="flex"),this.startSmoothUpdate(),this.container.dispatchEvent(new CustomEvent("waveformplayer:play",{detail:{player:this,url:this.options.url}})),this.options.onPlay&&this.options.onPlay(this)}onPause(){this.isPlaying=!1,this.playBtn.classList.remove("playing");let e=this.playBtn.querySelector(".waveform-icon-play"),i=this.playBtn.querySelector(".waveform-icon-pause");e&&(e.style.display="flex"),i&&(i.style.display="none"),this.stopSmoothUpdate(),this.container.dispatchEvent(new CustomEvent("waveformplayer:pause",{detail:{player:this,url:this.options.url}})),this.options.onPause&&this.options.onPause(this)}onEnded(){this.progress=0,this.audio.currentTime=0,this.drawWaveform(),this.currentTimeEl&&(this.currentTimeEl.textContent="0:00"),this.container.dispatchEvent(new CustomEvent("waveformplayer:ended",{detail:{player:this,url:this.options.url}})),this.onPause(),this.options.onEnd&&this.options.onEnd(this)}onError(e){this.isDestroying||(console.error("Audio error:",e),this.hasError=!0,this.setLoading(!1),this.errorEl&&(this.errorEl.style.display="flex"),this.canvas&&(this.canvas.style.opacity="0.2"),this.playBtn&&(this.playBtn.disabled=!0),this.options.onError&&this.options.onError(e,this))}startSmoothUpdate(){this.stopSmoothUpdate();let e=()=>{this.isPlaying&&this.audio.duration&&(this.updateProgress(),this.updateTimer=requestAnimationFrame(e))};this.updateTimer=requestAnimationFrame(e)}stopSmoothUpdate(){this.updateTimer&&(cancelAnimationFrame(this.updateTimer),this.updateTimer=null)}updateProgress(){if(!this.audio.duration)return;let e=this.audio.currentTime/this.audio.duration;Math.abs(e-this.progress)>.001&&(this.progress=e,this.drawWaveform()),this.currentTimeEl&&(this.currentTimeEl.textContent=P(this.audio.currentTime)),this.container.dispatchEvent(new CustomEvent("waveformplayer:timeupdate",{detail:{player:this,currentTime:this.audio.currentTime,duration:this.audio.duration,url:this.options.url}})),this.options.onTimeUpdate&&this.options.onTimeUpdate(this.audio.currentTime,this.audio.duration,this)}updateBPMDisplay(){this.bpmEl&&this.bpmValueEl&&this.detectedBPM&&(this.bpmValueEl.textContent=Math.round(this.detectedBPM),this.bpmEl.style.display="inline-flex")}updateSpeedUI(){let e=this.container.querySelector(".speed-value");if(e){let i=this.audio.playbackRate;e.textContent=i===1?"1x":`${i}x`}this.container.querySelectorAll(".speed-option").forEach(i=>{i.classList.toggle("active",parseFloat(i.dataset.rate)===this.audio.playbackRate)})}play(){this.options.singlePlay&&t.currentlyPlaying&&t.currentlyPlaying!==this&&t.currentlyPlaying.pause(),t.currentlyPlaying=this,this.audio.play()}pause(){t.currentlyPlaying===this&&(t.currentlyPlaying=null),this.audio.pause()}togglePlay(){this.isPlaying?this.pause():this.play()}seekTo(e){this.audio&&this.audio.duration&&(this.audio.currentTime=Math.max(0,Math.min(e,this.audio.duration)),this.updateProgress())}seekToPercent(e){this.audio&&this.audio.duration&&(this.audio.currentTime=this.audio.duration*Math.max(0,Math.min(1,e)),this.updateProgress())}setVolume(e){this.audio&&(this.audio.volume=Math.max(0,Math.min(1,e)))}setPlaybackRate(e){if(!this.audio)return;let i=Math.max(.5,Math.min(2,e));this.audio.playbackRate=i,this.options.playbackRate=i,this.updateSpeedUI()}destroy(){this.isDestroying=!0,this.pause(),this.stopSmoothUpdate(),this.resizeObserver&&(this.resizeObserver.disconnect(),this.resizeObserver=null),t.instances.delete(this.id),t.currentlyPlaying===this&&(t.currentlyPlaying=null),this.audio&&(this.audio.pause(),this.audio.src="",this.audio.load(),this.audio=null),this.container.innerHTML="",this.canvas=null,this.ctx=null,this.playBtn=null,this.waveformData=[]}static getInstance(e){if(typeof e=="string"){let i=this.instances.get(e);if(i)return i;let o=document.getElementById(e);if(o)return Array.from(this.instances.values()).find(a=>a.container===o)}if(e instanceof HTMLElement)return Array.from(this.instances.values()).find(i=>i.container===e)}static getAllInstances(){return Array.from(this.instances.values())}static destroyAll(){this.instances.forEach(e=>e.destroy()),this.instances.clear()}static async generateWaveformData(e,i=200){try{return(await M(e,i)).peaks}catch(o){throw console.error("Failed to generate waveform:",o),o}}};function T(){if(typeof document>"u")return;document.querySelectorAll("[data-waveform-player]").forEach(e=>{if(e.dataset.waveformInitialized!=="true")try{new g(e),e.dataset.waveformInitialized="true"}catch(i){console.error("Failed to initialize WaveformPlayer:",i,e)}})}typeof document<"u"&&(document.readyState==="loading"?document.addEventListener("DOMContentLoaded",T):T());g.init=T;typeof window<"u"&&(window.WaveformPlayer=g);var lt=g;export{g as WaveformPlayer,lt as default};