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<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Local AI Video Generator - CogVideoX</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: 900px;
margin: 0 auto;
background: white;
border-radius: 20px;
box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
overflow: hidden;
}
.header {
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
color: white;
padding: 30px 40px;
text-align: center;
}
.header h1 {
font-size: 32px;
margin-bottom: 10px;
}
.header p {
font-size: 16px;
opacity: 0.9;
}
.system-info {
background: rgba(255, 255, 255, 0.1);
padding: 10px;
border-radius: 8px;
margin-top: 15px;
font-size: 13px;
}
.main-content {
padding: 40px;
}
.section {
background: #f8f9fa;
padding: 20px;
border-radius: 12px;
margin-bottom: 20px;
}
.section h3 {
color: #333;
margin-bottom: 15px;
font-size: 18px;
display: flex;
align-items: center;
gap: 8px;
}
label {
display: block;
color: #555;
margin-bottom: 8px;
font-weight: 500;
font-size: 14px;
}
textarea {
width: 100%;
padding: 12px;
border: 2px solid #e0e0e0;
border-radius: 8px;
font-size: 14px;
font-family: inherit;
transition: border-color 0.3s;
resize: vertical;
min-height: 100px;
}
textarea:focus {
outline: none;
border-color: #667eea;
}
.char-counter {
text-align: right;
font-size: 12px;
color: #999;
margin-top: 5px;
}
button {
padding: 14px 24px;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
color: white;
border: none;
border-radius: 10px;
font-size: 16px;
font-weight: 600;
cursor: pointer;
transition: transform 0.2s, box-shadow 0.2s;
}
button:hover:not(:disabled) {
transform: translateY(-2px);
box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}
button:disabled {
opacity: 0.6;
cursor: not-allowed;
}
.generate-btn {
width: 100%;
padding: 16px;
font-size: 18px;
}
.loader {
border: 3px solid #f3f3f3;
border-top: 3px solid #667eea;
border-radius: 50%;
width: 40px;
height: 40px;
animation: spin 1s linear infinite;
margin: 20px auto;
display: none;
}
@keyframes spin {
0% { transform: rotate(0deg); }
100% { transform: rotate(360deg); }
}
.status {
padding: 12px;
border-radius: 8px;
text-align: center;
font-size: 14px;
display: none;
margin-top: 15px;
}
.status.info {
background: #e3f2fd;
color: #1976d2;
display: block;
}
.status.success {
background: #e8f5e9;
color: #388e3c;
display: block;
}
.status.error {
background: #ffebee;
color: #d32f2f;
display: block;
}
.status.warning {
background: #fff3e0;
color: #f57c00;
display: block;
}
.video-container {
background: #000;
border-radius: 12px;
overflow: hidden;
display: none;
margin-top: 20px;
}
video {
width: 100%;
display: block;
}
.video-info {
background: #f8f9fa;
padding: 15px;
margin-top: 10px;
border-radius: 8px;
font-size: 13px;
color: #666;
}
.video-actions {
display: flex;
gap: 10px;
margin-top: 10px;
}
.video-actions button {
flex: 1;
background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
}
.example-prompts {
display: flex;
flex-wrap: wrap;
gap: 8px;
margin-top: 10px;
}
.example-prompt {
display: inline-block;
padding: 6px 12px;
background: white;
border: 1px solid #ddd;
border-radius: 20px;
font-size: 12px;
cursor: pointer;
transition: all 0.2s;
}
.example-prompt:hover {
background: #667eea;
color: white;
border-color: #667eea;
}
.init-section {
background: #fff3e0;
border: 2px solid #f57c00;
padding: 20px;
border-radius: 12px;
margin-bottom: 20px;
}
.init-section h3 {
color: #f57c00;
margin-bottom: 10px;
}
.init-btn {
background: linear-gradient(135deg, #f57c00 0%, #ff9800 100%);
margin-top: 10px;
}
@media (max-width: 768px) {
.main-content {
padding: 20px;
}
}
</style>
</head>
<body>
<div class="container">
<div class="header">
<h1>🎬 Local AI Video Generator</h1>
<p>Generate videos locally using CogVideoX-2B on your computer</p>
<div class="system-info" id="system-info">
<div>🔄 Checking system status...</div>
</div>
</div>
<div class="main-content">
<!-- Model Initialization Section -->
<div class="init-section" id="init-section" style="display: none;">
<h3>⚙️ Model Not Loaded</h3>
<p style="font-size: 14px; color: #666; margin-bottom: 10px;">
The AI model needs to be loaded before generating videos. This is a one-time process that will:
</p>
<ul style="font-size: 13px; color: #666; margin-left: 20px; margin-bottom: 10px;">
<li>Download CogVideoX-2B model (~5GB) on first run</li>
<li>Load the model into memory (2-5 minutes)</li>
<li>Keep the model ready for fast generation</li>
</ul>
<button class="init-btn" onclick="initializeModel()">
🚀 Initialize Model
</button>
</div>
<!-- Prompt Input Section -->
<div class="section">
<h3>📝 Enter Your Prompt</h3>
<label for="prompt">Describe the video you want to create:</label>
<textarea
id="prompt"
rows="4"
placeholder="Example: A golden retriever running through a field of flowers at sunset, cinematic lighting"
maxlength="1000"
></textarea>
<div class="char-counter">
<span id="char-count">0</span>/1000 characters
</div>
<div style="margin-top: 15px;">
<label>💡 Example Prompts:</label>
<div class="example-prompts">
<span class="example-prompt" onclick="setPrompt('A cat playing with a ball of yarn, close-up shot')">🐱 Cat playing</span>
<span class="example-prompt" onclick="setPrompt('Ocean waves crashing on a beach at sunset, aerial view')">🌊 Ocean waves</span>
<span class="example-prompt" onclick="setPrompt('A bird flying through clouds, slow motion')">🦅 Bird flying</span>
<span class="example-prompt" onclick="setPrompt('City street with cars at night, neon lights')">🌃 City night</span>
<span class="example-prompt" onclick="setPrompt('Flowers blooming in a garden, time-lapse')">🌸 Flowers blooming</span>
</div>
</div>
</div>
<!-- Generate Button -->
<button class="generate-btn" id="generate-btn" onclick="generateVideo()">
🎬 Generate Video
</button>
<!-- Status and Loader -->
<div class="loader" id="loader"></div>
<div class="status" id="status"></div>
<!-- Video Output Section -->
<div class="video-container" id="video-container">
<video id="video-output" controls></video>
</div>
<div id="video-info" class="video-info" style="display: none;"></div>
<div class="video-actions" id="video-actions" style="display: none;">
<button onclick="downloadVideo()">📥 Download</button>
<button onclick="shareVideo()">🔗 Copy Link</button>
</div>
</div>
</div>
<script>
// Global state
let currentVideoUrl = null;
let modelLoaded = false;
// Initialize app
window.addEventListener('load', async () => {
await checkServerHealth();
setupEventListeners();
});
function setupEventListeners() {
const promptInput = document.getElementById('prompt');
const charCount = document.getElementById('char-count');
promptInput.addEventListener('input', () => {
const length = promptInput.value.length;
charCount.textContent = length;
charCount.style.color = length > 900 ? '#d32f2f' : '#999';
});
promptInput.addEventListener('keydown', (e) => {
if (e.ctrlKey && e.key === 'Enter') {
generateVideo();
}
});
}
async function checkServerHealth() {
try {
const response = await fetch('http://localhost:5000/health');
const data = await response.json();
if (data.status === 'healthy') {
modelLoaded = data.model_loaded;
updateSystemInfo(data);
if (!modelLoaded) {
document.getElementById('init-section').style.display = 'block';
document.getElementById('generate-btn').disabled = true;
}
}
} catch (error) {
showStatus('⚠️ Cannot connect to server. Make sure backend_local.py is running on port 5000', 'error');
document.getElementById('system-info').innerHTML = '<div>❌ Server offline</div>';
}
}
function updateSystemInfo(data) {
const gpu = data.gpu_available ? '✅ GPU' : '⚠️ CPU';
const model = data.model_loaded ? '✅ Model Loaded' : '⏳ Model Not Loaded';
const device = data.device || 'unknown';
document.getElementById('system-info').innerHTML = `
<div style="display: flex; justify-content: center; gap: 20px; flex-wrap: wrap;">
<span>${gpu}</span>
<span>${model}</span>
<span>Device: ${device}</span>
</div>
`;
}
async function initializeModel() {
const initBtn = event.target;
initBtn.disabled = true;
initBtn.textContent = '⏳ Loading Model...';
showStatus('🤖 Initializing model... This may take 2-5 minutes. Please wait...', 'info');
try {
const response = await fetch('http://localhost:5000/initialize', {
method: 'POST'
});
const data = await response.json();
if (response.ok && data.status === 'success') {
modelLoaded = true;
document.getElementById('init-section').style.display = 'none';
document.getElementById('generate-btn').disabled = false;
showStatus('✅ Model loaded successfully! You can now generate videos.', 'success');
await checkServerHealth();
} else {
throw new Error(data.message || 'Failed to load model');
}
} catch (error) {
console.error('Error:', error);
showStatus('❌ Failed to load model: ' + error.message, 'error');
initBtn.disabled = false;
initBtn.textContent = '🚀 Initialize Model';
}
}
function setPrompt(text) {
document.getElementById('prompt').value = text;
document.getElementById('prompt').dispatchEvent(new Event('input'));
}
function showStatus(message, type) {
const status = document.getElementById('status');
status.textContent = message;
status.className = 'status ' + type;
}
async function generateVideo() {
const prompt = document.getElementById('prompt').value.trim();
if (!prompt) {
showStatus('Please enter a prompt', 'error');
return;
}
if (prompt.length < 3) {
showStatus('Prompt must be at least 3 characters long', 'error');
return;
}
if (!modelLoaded) {
showStatus('Please initialize the model first', 'warning');
return;
}
// UI updates
const generateBtn = document.getElementById('generate-btn');
generateBtn.disabled = true;
generateBtn.textContent = '🎬 Generating...';
document.getElementById('loader').style.display = 'block';
document.getElementById('video-container').style.display = 'none';
document.getElementById('video-actions').style.display = 'none';
document.getElementById('video-info').style.display = 'none';
showStatus('🎨 Generating video... This will take 30-120 seconds depending on your hardware', 'info');
try {
const response = await fetch('http://localhost:5000/generate-video', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ prompt })
});
const data = await response.json();
if (!response.ok || data.error) {
throw new Error(data.error || 'Failed to generate video');
}
// Success
currentVideoUrl = data.video_url;
const videoOutput = document.getElementById('video-output');
// Handle local file path
if (currentVideoUrl.startsWith('/download/')) {
videoOutput.src = 'http://localhost:5000' + currentVideoUrl;
} else {
videoOutput.src = currentVideoUrl;
}
document.getElementById('video-container').style.display = 'block';
document.getElementById('video-actions').style.display = 'flex';
// Show video info
const videoInfo = document.getElementById('video-info');
videoInfo.innerHTML = `
<strong>Model:</strong> ${data.model_name || 'CogVideoX-2B'}<br>
<strong>Device:</strong> ${data.device || 'unknown'}<br>
<strong>Frames:</strong> ${data.num_frames || 49} (~6 seconds)<br>
<strong>Prompt:</strong> ${data.prompt}<br>
<strong>Generated:</strong> ${new Date(data.timestamp).toLocaleString()}
`;
videoInfo.style.display = 'block';
showStatus('✅ Video generated successfully!', 'success');
videoOutput.play().catch(() => {});
} catch (error) {
console.error('Error:', error);
showStatus('❌ Error: ' + error.message, 'error');
} finally {
generateBtn.disabled = false;
generateBtn.textContent = '🎬 Generate Video';
document.getElementById('loader').style.display = 'none';
}
}
async function downloadVideo() {
if (!currentVideoUrl) return;
try {
showStatus('📥 Preparing download...', 'info');
const videoUrl = currentVideoUrl.startsWith('/download/')
? 'http://localhost:5000' + currentVideoUrl
: currentVideoUrl;
const response = await fetch(videoUrl);
const blob = await response.blob();
const url = window.URL.createObjectURL(blob);
const a = document.createElement('a');
a.href = url;
a.download = `ai-video-local-${Date.now()}.mp4`;
document.body.appendChild(a);
a.click();
window.URL.revokeObjectURL(url);
document.body.removeChild(a);
showStatus('✅ Download started!', 'success');
} catch (error) {
console.error('Download error:', error);
showStatus('❌ Failed to download video', 'error');
}
}
function shareVideo() {
if (!currentVideoUrl) return;
const videoUrl = currentVideoUrl.startsWith('/download/')
? 'http://localhost:5000' + currentVideoUrl
: currentVideoUrl;
navigator.clipboard.writeText(videoUrl).then(() => {
showStatus('🔗 Video URL copied to clipboard!', 'success');
}).catch(() => {
showStatus('❌ Failed to copy URL', 'error');
});
}
</script>
</body>
</html>
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