to support mp4 file

app.py

@@ -345,7 +345,7 @@ try:
         # Add radio button to choose between file upload and YouTube link
         
         if input_method == "Upload audio file":
-            audio_file = st.file_uploader("Upload an audio file", type=["mp3", "wav", "m4a"]) # TODO: Add a max size
+            audio_file = st.file_uploader("Upload an audio file", type=["mp3", "wav", "m4a", "mp4"]) # TODO: Add a max size
         else:
             youtube_link = st.text_input("Enter YouTube link:", "")