Add YouTube Music now-playing server, OBS overlay, and browser extension
Node.js server on port 9095 receives now-playing data via POST and broadcasts to connected WebSocket clients. Includes a Firefox/Chrome extension that scrapes YouTube Music's player bar every 3s, an OBS-ready transparent overlay with animated equalizer bars, and an image proxy to bypass CDN restrictions in OBS. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Claude Opus 4.6
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Now Playing Overlay</title>
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<link rel="preconnect" href="https://fonts.googleapis.com">
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<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
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<link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;600&display=swap" rel="stylesheet">
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<style>
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*, *::before, *::after {
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margin: 0;
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padding: 0;
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box-sizing: border-box;
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}
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body {
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background: transparent;
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overflow: hidden;
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font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
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width: 100vw;
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height: 100vh;
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display: flex;
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align-items: flex-end;
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justify-content: flex-start;
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}
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#overlay {
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position: fixed;
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bottom: 24px;
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left: 24px;
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display: flex;
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align-items: center;
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gap: 12px;
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padding: 10px 18px 10px 14px;
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background: rgba(0, 0, 0, 0.7);
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backdrop-filter: blur(16px);
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-webkit-backdrop-filter: blur(16px);
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border: 1px solid rgba(255, 255, 255, 0.08);
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border-radius: 14px;
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transform: translateX(-120%);
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opacity: 0;
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transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
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opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1);
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max-width: 420px;
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}
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#overlay.visible {
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transform: translateX(0);
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opacity: 1;
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}
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/* Equalizer bars */
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.equalizer {
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display: flex;
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align-items: flex-end;
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gap: 2.5px;
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height: 18px;
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flex-shrink: 0;
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}
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.equalizer .bar {
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width: 3px;
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border-radius: 1.5px;
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background: #1ed760;
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animation: eq-bounce 1s ease-in-out infinite;
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}
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.equalizer .bar:nth-child(1) {
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height: 60%;
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animation-delay: 0s;
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}
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.equalizer .bar:nth-child(2) {
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height: 100%;
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animation-delay: 0.15s;
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}
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.equalizer .bar:nth-child(3) {
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height: 40%;
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animation-delay: 0.3s;
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}
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.equalizer .bar:nth-child(4) {
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height: 80%;
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animation-delay: 0.45s;
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}
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@keyframes eq-bounce {
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0%, 100% { transform: scaleY(0.3); }
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50% { transform: scaleY(1); }
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}
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.equalizer.paused .bar {
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animation-play-state: paused;
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transform: scaleY(0.3);
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}
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/* Album art */
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.album-art {
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width: 52px;
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height: 52px;
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border-radius: 8px;
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object-fit: cover;
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flex-shrink: 0;
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background: rgba(255, 255, 255, 0.1);
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}
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/* Text container */
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.track-info {
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display: flex;
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flex-direction: column;
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justify-content: center;
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gap: 2px;
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min-width: 0;
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padding-right: 4px;
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}
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.track-title {
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color: #ffffff;
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font-size: 14px;
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font-weight: 600;
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line-height: 1.3;
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white-space: nowrap;
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overflow: hidden;
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text-overflow: ellipsis;
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}
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.track-artist {
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color: rgba(255, 255, 255, 0.65);
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font-size: 12px;
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font-weight: 400;
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line-height: 1.3;
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white-space: nowrap;
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overflow: hidden;
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text-overflow: ellipsis;
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}
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/* Transition for content swap */
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.track-info.swapping {
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opacity: 0;
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transform: translateY(4px);
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transition: opacity 0.2s ease, transform 0.2s ease;
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}
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.track-info.swapped {
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opacity: 1;
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transform: translateY(0);
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transition: opacity 0.3s ease, transform 0.3s ease;
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}
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</style>
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</head>
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<body>
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<div id="overlay">
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<div class="equalizer" id="equalizer">
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<div class="bar"></div>
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<div class="bar"></div>
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<div class="bar"></div>
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<div class="bar"></div>
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</div>
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<img class="album-art" id="albumArt" src="" alt="">
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<div class="track-info" id="trackInfo">
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<div class="track-title" id="trackTitle"></div>
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<div class="track-artist" id="trackArtist"></div>
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</div>
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</div>
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<script>
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(function () {
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const overlay = document.getElementById('overlay');
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const albumArt = document.getElementById('albumArt');
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const trackTitle = document.getElementById('trackTitle');
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const trackArtist = document.getElementById('trackArtist');
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const trackInfo = document.getElementById('trackInfo');
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const equalizer = document.getElementById('equalizer');
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let currentTrackKey = '';
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let ws = null;
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let reconnectTimer = null;
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function updateDisplay(data) {
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const hasTrack = data.title && data.isPlaying;
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const newTrackKey = data.title + '|' + data.artist;
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if (!hasTrack) {
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overlay.classList.remove('visible');
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equalizer.classList.add('paused');
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return;
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}
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// If the track changed, do a swap animation
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if (newTrackKey !== currentTrackKey) {
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currentTrackKey = newTrackKey;
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// If already visible, animate out then in
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if (overlay.classList.contains('visible')) {
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trackInfo.classList.add('swapping');
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trackInfo.classList.remove('swapped');
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setTimeout(() => {
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applyTrackData(data);
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trackInfo.classList.remove('swapping');
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trackInfo.classList.add('swapped');
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}, 200);
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} else {
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applyTrackData(data);
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trackInfo.classList.add('swapped');
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}
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}
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// Show overlay and set equalizer state
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overlay.classList.add('visible');
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equalizer.classList.toggle('paused', !data.isPlaying);
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}
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function applyTrackData(data) {
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trackTitle.textContent = data.title || '';
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trackArtist.textContent = data.artist || '';
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if (data.albumArt) {
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albumArt.src = '/api/image-proxy?url=' + encodeURIComponent(data.albumArt);
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albumArt.style.display = 'block';
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} else {
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albumArt.style.display = 'none';
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}
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}
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// Derive WebSocket URL from page location
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function getWsUrl() {
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const proto = window.location.protocol === 'https:' ? 'wss:' : 'ws:';
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return proto + '//' + window.location.host;
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}
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function connectWebSocket() {
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if (ws) {
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try { ws.close(); } catch (e) {}
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}
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try {
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ws = new WebSocket(getWsUrl());
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} catch (e) {
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scheduleReconnect();
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return;
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}
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ws.addEventListener('open', () => {
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if (reconnectTimer) {
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clearTimeout(reconnectTimer);
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reconnectTimer = null;
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}
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});
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ws.addEventListener('message', (event) => {
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try {
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const data = JSON.parse(event.data);
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updateDisplay(data);
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} catch (e) {}
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});
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ws.addEventListener('close', () => {
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scheduleReconnect();
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});
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ws.addEventListener('error', () => {
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try { ws.close(); } catch (e) {}
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});
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}
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function scheduleReconnect() {
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if (reconnectTimer) return;
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reconnectTimer = setTimeout(() => {
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reconnectTimer = null;
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connectWebSocket();
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}, 5000);
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}
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// Initial fetch to get current state
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async function fetchInitialState() {
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try {
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const baseUrl = window.location.origin;
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const resp = await fetch(baseUrl + '/api/now-playing');
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if (resp.ok) {
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const data = await resp.json();
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updateDisplay(data);
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}
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} catch (e) {}
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}
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// Start
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fetchInitialState();
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connectWebSocket();
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})();
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</script>
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</body>
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</html>
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