Update visualizer.py

visualizer.py

@@ -43,6 +43,7 @@ def generate_video_batches(didson, preds, frame_rate, video_out_path, gp=None, i
             vid_frames, h, w = get_video_frames(frames, preds, frame_rate, image_meter_width, image_meter_height, start_frame=i)
 
             print("starting", i)
+            print("len", len(vid_frames))
             if out is None:
                 codec = cv2.VideoWriter_fourcc(*'avc1') if is_fourcc_available("avc1") else cv2.VideoWriter_fourcc(*'mp4v')
                 out = cv2.VideoWriter(video_out_path, codec, frame_rate, [ int(1.5*w), h ] )