383 lines
12 KiB
HTML
383 lines
12 KiB
HTML
<!DOCTYPE html>
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<html lang="ru">
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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>Beacon Tracker - Live Stream</title>
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<style>
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* {
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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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font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
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background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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min-height: 100vh;
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display: flex;
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flex-direction: column;
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align-items: center;
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padding: 20px;
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}
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.container {
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max-width: 1400px;
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width: 100%;
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}
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header {
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background: rgba(255, 255, 255, 0.95);
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padding: 20px 30px;
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border-radius: 15px;
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box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
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margin-bottom: 20px;
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}
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h1 {
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color: #333;
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font-size: 2rem;
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font-weight: 700;
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}
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.status-bar {
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display: flex;
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gap: 20px;
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margin-top: 15px;
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flex-wrap: wrap;
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}
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.status-item {
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display: flex;
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align-items: center;
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gap: 8px;
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}
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.status-indicator {
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width: 12px;
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height: 12px;
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border-radius: 50%;
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background: #e74c3c;
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animation: pulse 2s ease-in-out infinite;
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}
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.status-indicator.connected {
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background: #2ecc71;
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}
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@keyframes pulse {
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0%, 100% { opacity: 1; }
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50% { opacity: 0.5; }
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}
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.status-text {
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color: #555;
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font-size: 0.95rem;
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}
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.main-content {
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background: rgba(255, 255, 255, 0.95);
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border-radius: 15px;
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padding: 30px;
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box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
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}
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.video-container {
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position: relative;
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background: #000;
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border-radius: 10px;
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overflow: hidden;
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box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
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}
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#videoFrame {
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width: 100%;
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height: auto;
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display: block;
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}
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.loading-overlay {
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position: absolute;
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top: 0;
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left: 0;
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right: 0;
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bottom: 0;
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background: rgba(0, 0, 0, 0.8);
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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color: white;
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}
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.loading-overlay.hidden {
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display: none;
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}
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.spinner {
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width: 50px;
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height: 50px;
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border: 4px solid rgba(255, 255, 255, 0.3);
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border-top-color: white;
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border-radius: 50%;
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animation: spin 1s linear infinite;
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margin-bottom: 15px;
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}
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@keyframes spin {
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to { transform: rotate(360deg); }
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}
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.info-grid {
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display: grid;
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grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
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gap: 15px;
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margin-top: 20px;
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}
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.info-card {
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background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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padding: 15px;
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border-radius: 10px;
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color: white;
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}
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.info-label {
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font-size: 0.85rem;
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opacity: 0.9;
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margin-bottom: 5px;
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}
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.info-value {
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font-size: 1.5rem;
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font-weight: 700;
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}
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.error-message {
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background: #e74c3c;
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color: white;
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padding: 15px;
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border-radius: 10px;
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margin-top: 15px;
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display: none;
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}
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.error-message.visible {
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display: block;
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}
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.controls {
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margin-top: 20px;
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display: flex;
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gap: 10px;
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flex-wrap: wrap;
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}
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button {
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background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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color: white;
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border: none;
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padding: 12px 24px;
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border-radius: 8px;
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font-size: 1rem;
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cursor: pointer;
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transition: transform 0.2s, box-shadow 0.2s;
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}
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button:hover {
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transform: translateY(-2px);
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box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
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}
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button:active {
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transform: translateY(0);
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}
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button:disabled {
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opacity: 0.5;
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cursor: not-allowed;
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}
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</style>
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</head>
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<body>
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<div class="container">
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<header>
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<h1>🎯 Beacon Tracker - Live Stream</h1>
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<div class="status-bar">
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<div class="status-item">
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<div class="status-indicator" id="connectionStatus"></div>
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<span class="status-text" id="connectionText">Подключение...</span>
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</div>
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<div class="status-item">
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<span class="status-text">FPS: <strong id="fpsCounter">0</strong></span>
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</div>
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<div class="status-item">
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<span class="status-text">Кадр: <strong id="frameCounter">0</strong></span>
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</div>
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</div>
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</header>
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<div class="main-content">
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<div class="video-container">
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<img id="videoFrame" alt="Video stream">
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<div class="loading-overlay" id="loadingOverlay">
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<div class="spinner"></div>
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<p>Ожидание данных...</p>
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</div>
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</div>
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<div class="info-grid">
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<div class="info-card">
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<div class="info-label">Разрешение</div>
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<div class="info-value" id="resolution">-</div>
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</div>
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<div class="info-card">
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<div class="info-label">Размер кадра</div>
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<div class="info-value" id="frameSize">-</div>
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</div>
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<div class="info-card">
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<div class="info-label">Задержка</div>
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<div class="info-value" id="latency">-</div>
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</div>
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<div class="info-card">
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<div class="info-label">Битрейт</div>
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<div class="info-value" id="bitrate">-</div>
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</div>
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</div>
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<div class="controls">
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<button id="reconnectBtn" onclick="reconnect()">🔄 Переподключиться</button>
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<button id="screenshotBtn" onclick="takeScreenshot()">📸 Скриншот</button>
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</div>
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<div class="error-message" id="errorMessage"></div>
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</div>
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</div>
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<script>
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let eventSource = null;
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let frameCount = 0;
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let lastFrameTime = Date.now();
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let fps = 0;
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let totalBytes = 0;
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let lastBitrateCalc = Date.now();
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function connect() {
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if (eventSource) {
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eventSource.close();
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}
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eventSource = new EventSource('/stream');
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eventSource.onopen = () => {
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updateConnectionStatus(true);
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hideError();
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};
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eventSource.onmessage = (event) => {
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try {
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const data = JSON.parse(event.data);
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if (data.error) {
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showError(data.error);
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return;
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}
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// Update frame
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const img = document.getElementById('videoFrame');
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img.src = 'data:image/jpeg;base64,' + data.jpeg;
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// Hide loading overlay on first frame
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document.getElementById('loadingOverlay').classList.add('hidden');
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// Update counters
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frameCount++;
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document.getElementById('frameCounter').textContent = data.frame_number;
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// Calculate FPS
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const now = Date.now();
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const timeDiff = (now - lastFrameTime) / 1000;
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if (timeDiff > 0) {
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fps = Math.round(1 / timeDiff);
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document.getElementById('fpsCounter').textContent = fps;
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}
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lastFrameTime = now;
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// Update resolution
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document.getElementById('resolution').textContent = `${data.width}×${data.height}`;
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// Update frame size
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const sizeKB = (data.data_size / 1024).toFixed(1);
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document.getElementById('frameSize').textContent = `${sizeKB} KB`;
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// Calculate latency
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const currentTimeUs = Date.now() * 1000;
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const latencyMs = Math.round((currentTimeUs - data.timestamp_us) / 1000);
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document.getElementById('latency').textContent = `${latencyMs} ms`;
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// Calculate bitrate
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totalBytes += data.data_size;
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const bitrateTime = (now - lastBitrateCalc) / 1000;
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if (bitrateTime >= 1.0) {
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const bitrate = (totalBytes * 8 / bitrateTime / 1000000).toFixed(2);
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document.getElementById('bitrate').textContent = `${bitrate} Mbps`;
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totalBytes = 0;
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lastBitrateCalc = now;
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}
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} catch (error) {
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console.error('Error processing frame:', error);
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showError('Ошибка обработки кадра: ' + error.message);
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}
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};
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eventSource.onerror = (error) => {
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console.error('EventSource error:', error);
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updateConnectionStatus(false);
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showError('Потеряно соединение с сервером');
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};
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}
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function updateConnectionStatus(connected) {
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const indicator = document.getElementById('connectionStatus');
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const text = document.getElementById('connectionText');
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if (connected) {
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indicator.classList.add('connected');
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text.textContent = 'Подключено';
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} else {
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indicator.classList.remove('connected');
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text.textContent = 'Отключено';
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}
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}
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function showError(message) {
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const errorDiv = document.getElementById('errorMessage');
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errorDiv.textContent = message;
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errorDiv.classList.add('visible');
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}
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function hideError() {
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const errorDiv = document.getElementById('errorMessage');
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errorDiv.classList.remove('visible');
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}
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function reconnect() {
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document.getElementById('loadingOverlay').classList.remove('hidden');
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connect();
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}
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function takeScreenshot() {
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const img = document.getElementById('videoFrame');
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const link = document.createElement('a');
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link.download = `beacon_tracker_${Date.now()}.jpg`;
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link.href = img.src;
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link.click();
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}
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// Connect on page load
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connect();
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</script>
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</body>
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</html>
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