Update server.js

server.js

@@ -3,6 +3,7 @@ const axios = require("axios");
 const fs = require("fs");
 const path = require("path");
 const https = require("https");
+const { exec } = require("child_process"); // For FFmpeg execution
 
 const app = express();
 const PORT = 7860;
@@ -43,7 +44,23 @@ const scheduleFileDeletion = (filePath, delay = 600000) => {
     }, delay);
 };
 
-// API Route to download and serve .mkv files
+// Function to convert MKV to MP4 using FFmpeg
+const convertToMp4 = (inputPath, outputPath) => {
+    return new Promise((resolve, reject) => {
+        const command = `ffmpeg -i "${inputPath}" -c:v copy -c:a aac -strict experimental "${outputPath}"`;
+        exec(command, (error, stdout, stderr) => {
+            if (error) {
+                console.error(`❌ FFmpeg error: ${error.message}`);
+                reject(error);
+            } else {
+                console.log(`✅ Conversion complete: ${outputPath}`);
+                resolve(outputPath);
+            }
+        });
+    });
+};
+
+// API Route to download, convert, and serve .mp4 files
 app.get("/download", async (req, res) => {
     const fileUrl = req.query.url;
     if (!fileUrl) {
@@ -65,21 +82,37 @@ app.get("/download", async (req, res) => {
         });
 
         // Extract correct filename
-        const filename = getFileName(fileUrl, response.headers);
-        const filePath = path.join(DOWNLOAD_DIR, filename);
+        const originalFilename = getFileName(fileUrl, response.headers);
+        const originalFilePath = path.join(DOWNLOAD_DIR, originalFilename);
+
+        // Determine new filename if conversion is needed
+        const isMkv = originalFilename.toLowerCase().endsWith(".mkv");
+        const mp4Filename = isMkv ? originalFilename.replace(/\.mkv$/, ".mp4") : originalFilename;
+        const mp4FilePath = path.join(DOWNLOAD_DIR, mp4Filename);
 
         // Pipe response stream to file
-        const writer = fs.createWriteStream(filePath);
+        const writer = fs.createWriteStream(originalFilePath);
         response.data.pipe(writer);
 
-        writer.on("finish", () => {
+        writer.on("finish", async () => {
             // Dynamically get the host URL from request headers
             const hostUrl = `${req.protocol}://${req.get("host")}`;
-            const servedUrl = `${hostUrl}/files/${filename}`;
             
-            scheduleFileDeletion(filePath); // Auto-delete after 10 minutes
-            console.log(`✅ Download complete: ${servedUrl}`);
-            return res.json({ message: "Download complete", fileUrl: servedUrl });
+            if (isMkv) {
+                // Convert MKV to MP4
+                try {
+                    await convertToMp4(originalFilePath, mp4FilePath);
+                    fs.unlinkSync(originalFilePath); // Remove original MKV after conversion
+                } catch (error) {
+                    return res.status(500).json({ error: "❌ Conversion failed" });
+                }
+            }
+
+            const servedUrl = `${hostUrl}/files/${mp4Filename}`;
+            scheduleFileDeletion(mp4FilePath); // Auto-delete after 10 minutes
+
+            console.log(`✅ Download & conversion complete: ${servedUrl}`);
+            return res.json({ message: "Download & conversion complete", fileUrl: servedUrl });
         });
 
         writer.on("error", (err) => {