[Documentation] Wrong NALU types mentioned in regards to filter_units bsf

[droid-xx]

Documentation on bitstream filter filter_units:

To remove all AUDs, SEI and filler from an H.265 stream:

The following command

ffmpeg -i INPUT -c:v copy -bsf:v 'filter_units=remove_types=35|38-40' OUTPUT

should be:

ffmpeg -i INPUT -c:v copy -bsf:v "filter_units=remove_types=9|6|12" OUTPUT

AUDs are NALUs of type 9, SEI messages are 6, Filler data is 12.

​http://www.ffmpeg.org/ffmpeg-all.html#filter_005funits
​http://www.ffmpeg.org/ffmpeg-bitstream-filters.html#filter_005funits

[droid-xx]

Documentation is correct, it clearly mentiones H.265 for these types (instead of H.264), sorry for this