添加清空缓存按钮

server.js

@@ -113,6 +113,20 @@ wss.on('connection', (ws) => {
     ws.on('close', () => removeWsClient(ws));
 });
 
+const clearMp4Cache = () => {
+    const mp4Dir = path.join(__dirname, 'public', 'mp4');
+    if (!fs.existsSync(mp4Dir)) return;
+    try {
+        fs.rmSync(mp4Dir, { recursive: true, force: true });
+    } catch (err) {
+        if (typeof fs.rmdirSync === 'function') {
+            fs.rmdirSync(mp4Dir, { recursive: true });
+        } else {
+            throw err;
+        }
+    }
+};
+
 // Endpoint to list videos in the bucket
 app.get('/api/videos', async (req, res) => {
     try {
@@ -154,6 +168,17 @@ app.get('/api/videos', async (req, res) => {
     }
 });
 
+app.post('/api/reset-cache', (req, res) => {
+    try {
+        clearMp4Cache();
+        Object.keys(progressMap).forEach((key) => delete progressMap[key]);
+        res.json({ message: 'Cache reset' });
+    } catch (error) {
+        console.error('Error resetting cache:', error);
+        res.status(500).json({ error: 'Failed to reset cache', detail: error.message });
+    }
+});
+
 // Endpoint to transcode S3 video streaming to MP4
 app.post('/api/transcode', async (req, res) => {
     const { key, codec, encoder } = req.body;