Merge commit '6d5a6dde5301c81e221a37b3f39bb03149492b98'

* commit '6d5a6dde5301c81e221a37b3f39bb03149492b98':
  h264_metadata: Add option to delete filler data

Fixes #6899.

Merged-by: Mark Thompson <sw@jkqxz.net>

diff --cc libavcodec/h264_metadata_bsf.c
Simple merge