APIchanges: mark the release 11 branch point
rm: Use the correct codec_data_size signedness

The function takes a size and not an offset.

CC: libav-stable@libav.org
Sample-Id: rm_deadlock.rm

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
lavc/options: don't copy priv context when it is not AVOption object

This prevents potential crash when opt API is used without a class.

Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>
Merge commit '1eec9bfc383f6dca29d83a2bfb45433dd66561c9'

* commit '1eec9bfc383f6dca29d83a2bfb45433dd66561c9':
  APIchanges: mark the release 11 branch point

Conflicts:
	doc/APIchanges

Not merged as the contents in our APIchanges differ and it could be confusing

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit '1c77ead1fb14d64e6798fc5e32af04abcb3cebb4'

* commit '1c77ead1fb14d64e6798fc5e32af04abcb3cebb4':
  rm: Use the correct codec_data_size signedness

Conflicts:
	libavformat/rm.h
	libavformat/rmdec.c

See: a6f730730b82645a9d31aad0968487cb77d6946c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
avformat/rmdec: rm_read_extradata: add error message for oversized extradata

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avformat/rmdec: Check for overflow in ff_rm_read_mdpr_codecdata()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>