fix: remove space at the end of title, change the format of audio to .m4a

app.py

@@ -203,7 +203,7 @@ def combine_stems_for_all(input_dir, output_format):
         if subdir == input_dir:
             continue
 
-        song_name = os.path.basename(subdir)
+        song_name = os.path.basename(subdir).strip()  # Remove any trailing spaces
         print(f"Processing {subdir}")
 
         stem_paths = {
@@ -225,14 +225,11 @@ def combine_stems_for_all(input_dir, output_format):
         # Trim silence at the end
         trimmed_combined = trim_silence_at_end(combined)
 
-        output_file = os.path.join(subdir, f"{song_name}")
+        output_file = os.path.join(subdir, f"{song_name}.{output_format.lower()}")
 
         try:
             # Export combined audio
-            if output_format == "m4a":
-                trimmed_combined.export(output_file, format="ipod", codec="aac")
-            else:
-                trimmed_combined.export(output_file, format=output_format)
+            trimmed_combined.export(output_file, format=output_format.lower(), codec="aac")
             print(f"Exported combined stems to {output_file}")
         except CouldntEncodeError as e:
             print(f"Encoding failed: {e}")