DOC: add comment about buffer overrun at DEBUG

jklymak · jklymak · commit a65b9c17a5bd · 2018-03-09T09:25:20.000-08:00
diff --git a/lib/matplotlib/animation.py b/lib/matplotlib/animation.py
@@ -667,7 +667,8 @@ def _args(self):
                 '-s', '%dx%d' % self.frame_size, '-pix_fmt', self.frame_format,
                 '-r', str(self.fps)]
         # Logging is quieted because subprocess.PIPE has limited buffer size.
-
+        # If you have a lot of frames in your animation and set logging to
+        # DEBUG, you will have a buffer overrun.  
         if (_log.getEffectiveLevel() > logging.DEBUG):
             args += ['-loglevel', 'quiet']
         args += ['-i', 'pipe:'] + self.output_args
