Update diffusers_helper/utils.py

diffusers_helper/utils.py

@@ -263,7 +263,7 @@ def soft_append_bcthw(history, current, overlap=0):
     return output.to(history)
 
 
-def save_bcthw_as_mp4(x, output_filename, fps=10, crf=0):
+def save_bcthw_as_mp4(x, output_filename, fps=10, crf=18):
     b, c, t, h, w = x.shape
 
     per_row = b