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2025-07-24 22:55:21 +08:00
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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Trae Video Server</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
min-height: 100vh;
padding: 20px;
}
.container {
max-width: 1000px;
margin: 0 auto;
background: white;
border-radius: 15px;
box-shadow: 0 20px 40px rgba(0,0,0,0.1);
overflow: hidden;
}
.header {
background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
color: white;
padding: 30px;
text-align: center;
}
.header h1 {
font-size: 2.5em;
margin-bottom: 10px;
font-weight: 300;
}
.header p {
font-size: 1.1em;
opacity: 0.9;
}
.content {
padding: 40px;
}
.device-section {
margin-bottom: 40px;
}
.section-title {
font-size: 1.5em;
color: #333;
margin-bottom: 20px;
display: flex;
align-items: center;
}
.section-title::before {
content: '';
width: 4px;
height: 24px;
background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
margin-right: 15px;
border-radius: 2px;
}
.device-controls {
display: flex;
gap: 15px;
align-items: center;
flex-wrap: wrap;
margin-bottom: 20px;
}
select {
flex: 1;
min-width: 300px;
padding: 12px 15px;
border: 2px solid #e1e5e9;
border-radius: 8px;
font-size: 16px;
background: white;
transition: all 0.3s ease;
}
select:focus {
outline: none;
border-color: #4facfe;
box-shadow: 0 0 0 3px rgba(79, 172, 254, 0.1);
}
.btn {
padding: 12px 24px;
border: none;
border-radius: 8px;
font-size: 16px;
font-weight: 600;
cursor: pointer;
transition: all 0.3s ease;
text-transform: uppercase;
letter-spacing: 0.5px;
}
.btn-primary {
background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
color: white;
}
.btn-primary:hover {
transform: translateY(-2px);
box-shadow: 0 10px 20px rgba(79, 172, 254, 0.3);
}
.btn-secondary {
background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
color: #8b4513;
}
.btn-secondary:hover {
transform: translateY(-2px);
box-shadow: 0 10px 20px rgba(252, 182, 159, 0.3);
}
.btn-danger {
background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
color: #8b0000;
}
.btn-danger:hover {
transform: translateY(-2px);
box-shadow: 0 10px 20px rgba(255, 154, 158, 0.3);
}
.btn:disabled {
opacity: 0.6;
cursor: not-allowed;
transform: none !important;
box-shadow: none !important;
}
.status {
padding: 15px;
border-radius: 8px;
margin: 20px 0;
font-weight: 500;
}
.status.success {
background: #d4edda;
color: #155724;
border: 1px solid #c3e6cb;
}
.status.error {
background: #f8d7da;
color: #721c24;
border: 1px solid #f5c6cb;
}
.status.info {
background: #d1ecf1;
color: #0c5460;
border: 1px solid #bee5eb;
}
.preview-section {
margin-top: 40px;
padding-top: 40px;
border-top: 2px solid #f0f0f0;
}
.preview-container {
background: #f8f9fa;
border-radius: 12px;
padding: 30px;
text-align: center;
min-height: 400px;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
}
.preview-placeholder {
color: #6c757d;
font-size: 1.2em;
margin-bottom: 20px;
}
video {
max-width: 100%;
max-height: 400px;
border-radius: 8px;
box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}
.stream-info {
margin-top: 20px;
padding: 20px;
background: #e3f2fd;
border-radius: 8px;
border-left: 4px solid #2196f3;
}
.stream-info h3 {
color: #1976d2;
margin-bottom: 10px;
}
.stream-info a {
color: #1976d2;
text-decoration: none;
font-weight: 600;
}
.stream-info a:hover {
text-decoration: underline;
}
.loading {
display: inline-block;
width: 20px;
height: 20px;
border: 3px solid #f3f3f3;
border-top: 3px solid #4facfe;
border-radius: 50%;
animation: spin 1s linear infinite;
margin-right: 10px;
}
@keyframes spin {
0% { transform: rotate(0deg); }
100% { transform: rotate(360deg); }
}
.hidden {
display: none;
}
</style>
</head>
<body>
<div class="container">
<div class="header">
<h1>🎥 Trae Video Server</h1>
<p>专业视频采集与流媒体服务平台</p>
</div>
<div class="content">
<div class="device-section">
<h2 class="section-title">📹 视频设备管理</h2>
<div class="device-controls">
<select id="deviceSelect">
<option value="">正在加载设备列表...</option>
</select>
<button id="refreshBtn" class="btn btn-secondary">🔄 刷新设备</button>
<button id="startBtn" class="btn btn-primary" disabled>▶️ 开始预览</button>
<button id="stopBtn" class="btn btn-danger hidden">⏹️ 停止预览</button>
</div>
<div id="status" class="status hidden"></div>
</div>
<div class="preview-section">
<h2 class="section-title">📺 实时预览</h2>
<div class="preview-container">
<div id="previewPlaceholder" class="preview-placeholder">
<p>📷 选择视频设备并点击"开始预览"来查看实时画面</p>
</div>
<video id="previewVideo" class="hidden" autoplay muted></video>
</div>
<div id="streamInfo" class="stream-info hidden">
<h3>🌐 流媒体服务信息</h3>
<p>网页预览地址: <a id="streamUrl" href="#" target="_blank">http://localhost:3000/preview</a></p>
<p>其他设备可以通过此链接访问实时视频流</p>
</div>
</div>
</div>
</div>
<script>
const { ipcRenderer } = require('electron');
let currentStream = null;
let isStreaming = false;
// DOM元素
const deviceSelect = document.getElementById('deviceSelect');
const refreshBtn = document.getElementById('refreshBtn');
const startBtn = document.getElementById('startBtn');
const stopBtn = document.getElementById('stopBtn');
const status = document.getElementById('status');
const previewVideo = document.getElementById('previewVideo');
const previewPlaceholder = document.getElementById('previewPlaceholder');
const streamInfo = document.getElementById('streamInfo');
const streamUrl = document.getElementById('streamUrl');
// 显示状态消息
function showStatus(message, type = 'info') {
status.textContent = message;
status.className = `status ${type}`;
status.classList.remove('hidden');
if (type === 'success' || type === 'error') {
setTimeout(() => {
status.classList.add('hidden');
}, 5000);
}
}
// 加载设备列表
async function loadDevices() {
try {
showStatus('正在加载设备列表...', 'info');
// 请求媒体权限
await navigator.mediaDevices.getUserMedia({ video: true });
const devices = await navigator.mediaDevices.enumerateDevices();
const videoDevices = devices.filter(device => device.kind === 'videoinput');
deviceSelect.innerHTML = '';
if (videoDevices.length === 0) {
deviceSelect.innerHTML = '<option value="">未找到视频设备</option>';
showStatus('未找到可用的视频设备', 'error');
return;
}
deviceSelect.innerHTML = '<option value="">请选择视频设备</option>';
videoDevices.forEach(device => {
const option = document.createElement('option');
option.value = device.deviceId;
option.textContent = device.label || `摄像头 ${device.deviceId.slice(0, 8)}...`;
deviceSelect.appendChild(option);
});
showStatus(`成功加载 ${videoDevices.length} 个视频设备`, 'success');
} catch (error) {
console.error('加载设备失败:', error);
deviceSelect.innerHTML = '<option value="">加载设备失败</option>';
showStatus('加载设备失败: ' + error.message, 'error');
}
}
// 开始预览
async function startPreview() {
const deviceId = deviceSelect.value;
if (!deviceId) {
showStatus('请先选择一个视频设备', 'error');
return;
}
try {
startBtn.disabled = true;
startBtn.innerHTML = '<span class="loading"></span>启动中...';
showStatus('正在启动预览...', 'info');
// 获取视频流
const constraints = {
video: {
deviceId: { exact: deviceId },
width: { ideal: 1280 },
height: { ideal: 720 }
}
};
currentStream = await navigator.mediaDevices.getUserMedia(constraints);
previewVideo.srcObject = currentStream;
// 显示预览视频
previewPlaceholder.classList.add('hidden');
previewVideo.classList.remove('hidden');
// 启动流媒体服务
const result = await ipcRenderer.invoke('start-preview', deviceId);
if (result.success) {
isStreaming = true;
startBtn.classList.add('hidden');
stopBtn.classList.remove('hidden');
deviceSelect.disabled = true;
refreshBtn.disabled = true;
// 显示流媒体信息
streamUrl.href = result.streamUrl;
streamInfo.classList.remove('hidden');
showStatus('预览已启动,流媒体服务已就绪', 'success');
// 开始广播视频帧
startBroadcasting();
} else {
throw new Error(result.message);
}
} catch (error) {
console.error('启动预览失败:', error);
showStatus('启动预览失败: ' + error.message, 'error');
if (currentStream) {
currentStream.getTracks().forEach(track => track.stop());
currentStream = null;
}
previewVideo.classList.add('hidden');
previewPlaceholder.classList.remove('hidden');
} finally {
startBtn.disabled = false;
startBtn.innerHTML = '▶️ 开始预览';
}
}
// 停止预览
async function stopPreview() {
try {
showStatus('正在停止预览...', 'info');
// 停止视频流
if (currentStream) {
currentStream.getTracks().forEach(track => track.stop());
currentStream = null;
}
// 停止流媒体服务
await ipcRenderer.invoke('stop-preview');
// 重置UI
isStreaming = false;
previewVideo.classList.add('hidden');
previewPlaceholder.classList.remove('hidden');
streamInfo.classList.add('hidden');
startBtn.classList.remove('hidden');
stopBtn.classList.add('hidden');
deviceSelect.disabled = false;
refreshBtn.disabled = false;
showStatus('预览已停止', 'success');
} catch (error) {
console.error('停止预览失败:', error);
showStatus('停止预览失败: ' + error.message, 'error');
}
}
// 广播视频帧
function startBroadcasting() {
if (!currentStream || !isStreaming) return;
const canvas = document.createElement('canvas');
const ctx = canvas.getContext('2d');
function captureFrame() {
if (!isStreaming || !currentStream) return;
const video = previewVideo;
if (video.videoWidth && video.videoHeight) {
canvas.width = video.videoWidth;
canvas.height = video.videoHeight;
ctx.drawImage(video, 0, 0);
// 将帧数据发送到主进程
const frameData = canvas.toDataURL('image/jpeg', 0.8);
ipcRenderer.send('broadcast-frame', frameData);
}
if (isStreaming) {
setTimeout(captureFrame, 33); // 30 FPS
}
}
// 等待视频加载完成后开始捕获
previewVideo.addEventListener('loadedmetadata', () => {
setTimeout(captureFrame, 1000);
});
}
// 事件监听器
deviceSelect.addEventListener('change', () => {
startBtn.disabled = !deviceSelect.value;
});
refreshBtn.addEventListener('click', loadDevices);
startBtn.addEventListener('click', startPreview);
stopBtn.addEventListener('click', stopPreview);
// 页面加载完成后初始化
document.addEventListener('DOMContentLoaded', () => {
loadDevices();
});
</script>
</body>
</html>