Update app.py

app.py

@@ -121,7 +121,7 @@ async def download_file(request: DownloadRequest):
         os.chdir(download_subdir)
         
         # Run gamdl command
-        cmd = ["gamdl", request.url]
+        cmd = ["gamdl", "--codec-song", "aac-legacy", request.url]
         logger.info(f"Executing command: {' '.join(cmd)}")
         
         process = subprocess.run(