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add stream_module

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awe
2025-11-18 12:26:48 +03:00
commit c67ac45617
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<!DOCTYPE html>
<html lang="ru">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Beacon Tracker - Live Stream</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
min-height: 100vh;
display: flex;
flex-direction: column;
align-items: center;
padding: 20px;
}
.container {
max-width: 1400px;
width: 100%;
}
header {
background: rgba(255, 255, 255, 0.95);
padding: 20px 30px;
border-radius: 15px;
box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
margin-bottom: 20px;
}
h1 {
color: #333;
font-size: 2rem;
font-weight: 700;
}
.status-bar {
display: flex;
gap: 20px;
margin-top: 15px;
flex-wrap: wrap;
}
.status-item {
display: flex;
align-items: center;
gap: 8px;
}
.status-indicator {
width: 12px;
height: 12px;
border-radius: 50%;
background: #e74c3c;
animation: pulse 2s ease-in-out infinite;
}
.status-indicator.connected {
background: #2ecc71;
}
@keyframes pulse {
0%, 100% { opacity: 1; }
50% { opacity: 0.5; }
}
.status-text {
color: #555;
font-size: 0.95rem;
}
.main-content {
background: rgba(255, 255, 255, 0.95);
border-radius: 15px;
padding: 30px;
box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}
.video-container {
position: relative;
background: #000;
border-radius: 10px;
overflow: hidden;
box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}
#videoFrame {
width: 100%;
height: auto;
display: block;
}
.loading-overlay {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: rgba(0, 0, 0, 0.8);
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
color: white;
}
.loading-overlay.hidden {
display: none;
}
.spinner {
width: 50px;
height: 50px;
border: 4px solid rgba(255, 255, 255, 0.3);
border-top-color: white;
border-radius: 50%;
animation: spin 1s linear infinite;
margin-bottom: 15px;
}
@keyframes spin {
to { transform: rotate(360deg); }
}
.info-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
gap: 15px;
margin-top: 20px;
}
.info-card {
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
padding: 15px;
border-radius: 10px;
color: white;
}
.info-label {
font-size: 0.85rem;
opacity: 0.9;
margin-bottom: 5px;
}
.info-value {
font-size: 1.5rem;
font-weight: 700;
}
.error-message {
background: #e74c3c;
color: white;
padding: 15px;
border-radius: 10px;
margin-top: 15px;
display: none;
}
.error-message.visible {
display: block;
}
.controls {
margin-top: 20px;
display: flex;
gap: 10px;
flex-wrap: wrap;
}
button {
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
color: white;
border: none;
padding: 12px 24px;
border-radius: 8px;
font-size: 1rem;
cursor: pointer;
transition: transform 0.2s, box-shadow 0.2s;
}
button:hover {
transform: translateY(-2px);
box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}
button:active {
transform: translateY(0);
}
button:disabled {
opacity: 0.5;
cursor: not-allowed;
}
</style>
</head>
<body>
<div class="container">
<header>
<h1>🎯 Beacon Tracker - Live Stream</h1>
<div class="status-bar">
<div class="status-item">
<div class="status-indicator" id="connectionStatus"></div>
<span class="status-text" id="connectionText">Подключение...</span>
</div>
<div class="status-item">
<span class="status-text">FPS: <strong id="fpsCounter">0</strong></span>
</div>
<div class="status-item">
<span class="status-text">Кадр: <strong id="frameCounter">0</strong></span>
</div>
</div>
</header>
<div class="main-content">
<div class="video-container">
<img id="videoFrame" alt="Video stream">
<div class="loading-overlay" id="loadingOverlay">
<div class="spinner"></div>
<p>Ожидание данных...</p>
</div>
</div>
<div class="info-grid">
<div class="info-card">
<div class="info-label">Разрешение</div>
<div class="info-value" id="resolution">-</div>
</div>
<div class="info-card">
<div class="info-label">Размер кадра</div>
<div class="info-value" id="frameSize">-</div>
</div>
<div class="info-card">
<div class="info-label">Задержка</div>
<div class="info-value" id="latency">-</div>
</div>
<div class="info-card">
<div class="info-label">Битрейт</div>
<div class="info-value" id="bitrate">-</div>
</div>
</div>
<div class="controls">
<button id="reconnectBtn" onclick="reconnect()">🔄 Переподключиться</button>
<button id="screenshotBtn" onclick="takeScreenshot()">📸 Скриншот</button>
</div>
<div class="error-message" id="errorMessage"></div>
</div>
</div>
<script>
let eventSource = null;
let frameCount = 0;
let lastFrameTime = Date.now();
let fps = 0;
let totalBytes = 0;
let lastBitrateCalc = Date.now();
function connect() {
if (eventSource) {
eventSource.close();
}
eventSource = new EventSource('/stream');
eventSource.onopen = () => {
updateConnectionStatus(true);
hideError();
};
eventSource.onmessage = (event) => {
try {
const data = JSON.parse(event.data);
if (data.error) {
showError(data.error);
return;
}
// Update frame
const img = document.getElementById('videoFrame');
img.src = 'data:image/jpeg;base64,' + data.jpeg;
// Hide loading overlay on first frame
document.getElementById('loadingOverlay').classList.add('hidden');
// Update counters
frameCount++;
document.getElementById('frameCounter').textContent = data.frame_number;
// Calculate FPS
const now = Date.now();
const timeDiff = (now - lastFrameTime) / 1000;
if (timeDiff > 0) {
fps = Math.round(1 / timeDiff);
document.getElementById('fpsCounter').textContent = fps;
}
lastFrameTime = now;
// Update resolution
document.getElementById('resolution').textContent = `${data.width}×${data.height}`;
// Update frame size
const sizeKB = (data.data_size / 1024).toFixed(1);
document.getElementById('frameSize').textContent = `${sizeKB} KB`;
// Calculate latency
const currentTimeUs = Date.now() * 1000;
const latencyMs = Math.round((currentTimeUs - data.timestamp_us) / 1000);
document.getElementById('latency').textContent = `${latencyMs} ms`;
// Calculate bitrate
totalBytes += data.data_size;
const bitrateTime = (now - lastBitrateCalc) / 1000;
if (bitrateTime >= 1.0) {
const bitrate = (totalBytes * 8 / bitrateTime / 1000000).toFixed(2);
document.getElementById('bitrate').textContent = `${bitrate} Mbps`;
totalBytes = 0;
lastBitrateCalc = now;
}
} catch (error) {
console.error('Error processing frame:', error);
showError('Ошибка обработки кадра: ' + error.message);
}
};
eventSource.onerror = (error) => {
console.error('EventSource error:', error);
updateConnectionStatus(false);
showError('Потеряно соединение с сервером');
};
}
function updateConnectionStatus(connected) {
const indicator = document.getElementById('connectionStatus');
const text = document.getElementById('connectionText');
if (connected) {
indicator.classList.add('connected');
text.textContent = 'Подключено';
} else {
indicator.classList.remove('connected');
text.textContent = 'Отключено';
}
}
function showError(message) {
const errorDiv = document.getElementById('errorMessage');
errorDiv.textContent = message;
errorDiv.classList.add('visible');
}
function hideError() {
const errorDiv = document.getElementById('errorMessage');
errorDiv.classList.remove('visible');
}
function reconnect() {
document.getElementById('loadingOverlay').classList.remove('hidden');
connect();
}
function takeScreenshot() {
const img = document.getElementById('videoFrame');
const link = document.createElement('a');
link.download = `beacon_tracker_${Date.now()}.jpg`;
link.href = img.src;
link.click();
}
// Connect on page load
connect();
</script>
</body>
</html>