Update app.py

app.py

@@ -73,6 +73,7 @@ def generate_spectrograms(audio_files):
 def separate_music_file_wrapper(input_string, use_cpu, use_single_onnx, large_overlap, small_overlap, chunk_size, use_large_gpu):
     input_files = []
 
+    # Validate YouTube URL or directory path
     if input_string.startswith("https://www.youtube.com") or input_string.startswith("https://youtu.be"):
         output_file = download_youtube_video_as_wav(input_string)
         if output_file is not None:
@@ -83,6 +84,14 @@ def separate_music_file_wrapper(input_string, use_cpu, use_single_onnx, large_ov
     else:
         raise ValueError("Invalid input! Please provide a valid YouTube link or a directory path.")
 
+    # Validate overlap values
+    if not (0 <= large_overlap <= 1) or not (0 <= small_overlap <= 1):
+        raise ValueError("Overlap values must be between 0 and 1.")
+
+    # Validate chunk size
+    if chunk_size <= 0:
+        raise ValueError("Chunk size must be greater than 0.") # not thicc enough
+
     options = {
         'input_audio': input_files,
         'output_folder': 'results',