ASD

index.js

@@ -54,11 +54,30 @@ app.get("/download", async (req, res) => {
   }
 
   if ("mp3 ogg wav".includes(format)) {
+    console.log('audio')
     var audio = ytdl(url, { filter: 'audioonly', quality: quality })
 
+    const ffmpegProcess = cp.spawn(ffmpeg, [
+      '-i', `pipe:3`,
+      '-c:v', 'copy',
+      '-c:a', 'libmp3lame',
+      '-crf','27',
+      '-preset','veryfast',
+      '-movflags','frag_keyframe+empty_moov',
+      '-f', format,
+      '-loglevel','error',
+      '-'
+  ], {
+      stdio: [
+      'pipe', 'pipe', 'pipe', 'pipe', 'pipe',
+      ],
+  })
+
+    audio.pipe(ffmpegProcess.stdio[3])
+
     res.setHeader('Content-Disposition', `attachment; filename="${filename}.${formats[format] || format}"`);
-    
-    audio.pipe(res)
+
+    ffmpegProcess.stdio[1].pipe(res)
 
   } else if (defin == "hd") {
     var video = ytdl(url, { filter: 'videoonly', quality: quality })