Update chatgpt-ad-maker.py

chatgpt-ad-maker.py

@@ -68,7 +68,7 @@ def process_video(video_path, dot_size=10, spacing=2, invert=False, fps=30):
     frame_height = frame_height // 2 * 2
     
     output_path = "output.mp4"
-    fourcc = cv2.VideoWriter_fourcc(*'mp4')
+    fourcc = cv2.VideoWriter_fourcc(*'mp4v')
     out = cv2.VideoWriter(output_path, fourcc, output_fps, (frame_width, frame_height), True)
 
     try: