cleanup and fixes

app.py

@@ -114,6 +114,15 @@ def process_video():
         # Build filter complex for crop and scale
         filters = []
         
+        # Add rotation filter if specified
+        rotation = data.get('rotation', 0)
+        if rotation == 90:
+            filters.append('transpose=1')
+        elif rotation == 180:
+            filters.append('transpose=2,transpose=2')
+        elif rotation == 270:
+            filters.append('transpose=2')
+        
         # Add crop filter if specified
         crop = data.get('crop')
         if crop:
@@ -136,6 +145,11 @@ def process_video():
         if filters:
             cmd.extend(['-vf', ','.join(filters)])
         
+        # Handle audio
+        mute_audio = data.get('mute_audio', False)
+        if mute_audio:
+            cmd.extend(['-an'])  # Remove audio
+        
         # Output settings for H.264 MP4
         cmd.extend([
             '-c:v', 'libx264',