even smaller batch size?

app.py

@@ -110,7 +110,7 @@ def run_rerun(path_to_video):
     free_vram = free_vram / 1024 / 1024 / 1024
 
     # batch size is determined by the amount of free vram
-    batch_size = int(min(min(8, free_vram // 4), max_frames))
+    batch_size = int(min(min(4, free_vram // 4), max_frames))
 
     # go through all the frames in the video, using the batch size
     for i in range(0, int(max_frames), batch_size):