Update src/streamlit_app.py

src/streamlit_app.py

@@ -14,12 +14,11 @@ if st.button("Download"):
     else:
         with st.spinner("Downloading video..."):
             try:
-                # Use a temporary directory
+                # Use a temp folder
                 with tempfile.TemporaryDirectory() as tmp_dir:
                     ydl_opts = {
                         'outtmpl': os.path.join(tmp_dir, '%(title)s.%(ext)s'),
-                        'format': 'bestvideo+bestaudio/best',
-                        'merge_output_format': 'mp4',
+                        'format': 'mp4/best[ext=mp4]/best',  # avoid separate audio/video streams
                         'noplaylist': True,
                         'quiet': True,
                         'http_headers': {