adding mixing into a function

mixing.py

@@ -1,33 +1,37 @@
 import os
 from pydub import AudioSegment
 
-def check_and_convert(audio_file):
-  """
-  Checks file format and converts to supported format if necessary.
-  """
-  # Get file extension 
-  extension = os.path.splitext(audio_file)[1].lower()
-  if extension not in (".mp3", ".wav", ".flac"):
-    # Convert to a supported format (e.g. mp3)
-    sound = AudioSegment.from_file(audio_file)
-    sound.export(os.path.splitext(audio_file)[0] + ".mp3", format="mp3")
-    # Update filename to the converted one
-    audio_file = os.path.splitext(audio_file)[0] + ".mp3"
-  return audio_file
+def mixingAudio(sound1_path, sound2_path,position):
+  def check_and_convert(audio_file):
+    """
+    Checks file format and converts to supported format if necessary.
+    """
+    # Get file extension 
+    extension = os.path.splitext(audio_file)[1].lower()
+    if extension not in (".mp3", ".wav", ".flac"):
+      # Convert to a supported format (e.g. mp3)
+      sound = AudioSegment.from_file(audio_file)
+      sound.export(os.path.splitext(audio_file)[0] + ".mp3", format="mp3")
+      # Update filename to the converted one
+      audio_file = os.path.splitext(audio_file)[0] + ".mp3"
+    return audio_file
 
-# Using raw strings to avoid issues with backslashes
-sound1_path = r"audio\mixkit-distant-explosion-1690.wav"
-sound2_path = r"audio\videoplayback_mastered (1).wav"
+  # Check and convert audio files if needed
+  sound1_path = check_and_convert(sound1_path)
+  sound2_path = check_and_convert(sound2_path)
 
-# Check and convert audio files if needed
-sound1_path = check_and_convert(sound1_path)
-sound2_path = check_and_convert(sound2_path)
+  sound1 = AudioSegment.from_file(sound1_path)
+  sound2 = AudioSegment.from_file(sound2_path)
 
-sound1 = AudioSegment.from_file(sound1_path)
-sound2 = AudioSegment.from_file(sound2_path)
+  # Mix sound2 with sound1, starting at 1000ms into sound1
+  output = sound1.overlay(sound2, position)
 
-# Mix sound2 with sound1, starting at 1000ms into sound1
-output = sound1.overlay(sound2, position=1000)
+  # Save the result (assuming mp3 format)
+  output.export(r"mixedAudio\mixed_haptic_audioFile.mp3", format="mp3")
+  return "The audio have been mixed."
 
-# Save the result (assuming mp3 format)
-output.export(r"mixedAudio\mixed_haptic_audioFile.mp3", format="mp3")
+
+# for testing 
+# sound1_path = r"audio\mixkit-distant-explosion-1690.wav"
+# sound2_path = r"audio\videoplayback_mastered (1).wav"
+# mixingAudio(sound1_path, sound2_path,1000)