Update utils/audio_processing.py

utils/audio_processing.py

@@ -10,8 +10,16 @@ import uuid
 AudioSegment.converter = shutil.which("ffmpeg")
 
 # -------------------------------
-# Utility Function: Download audio from a Video url
+# Download audio from a Video url
 # -------------------------------
+
+def safe_base64_decode(data):
+                # Fix padding if necessary
+                missing_padding = len(data) % 4
+                if missing_padding:
+                    data += "=" * (4 - missing_padding)
+                return base64.b64decode(data)
+    
 def download_audio_as_wav(url, max_filesize_mb=70):
     """
     Downloads audio from a URL using yt-dlp, then converts it to WAV using ffmpeg.
@@ -32,12 +40,6 @@ def download_audio_as_wav(url, max_filesize_mb=70):
             if not cookies_b64:
                 raise EnvironmentError("cookies environment variable not set.")
 
-            def safe_base64_decode(data):
-                # Fix padding if necessary
-                missing_padding = len(data) % 4
-                if missing_padding:
-                    data += "=" * (4 - missing_padding)
-                return base64.b64decode(data)
                     # Decode and write cookies.txt
             with open(temp_cookie_path, "wb") as f:
                 f.write(safe_base64_decode(cookies_b64))
@@ -94,7 +96,7 @@ def download_audio_as_wav(url, max_filesize_mb=70):
     
     
 # --------------------------
-# Utility: Trim audios to 2 minutes
+# Trim audios to 2 minutes
 # --------------------------
 def trim_audio(input_wav_path, max_duration_sec=120):
     """