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Also move FFM section up in the file, and rename it.

They are only needed by removelogo.
This fixes a link failure in shared builds when compiling with
removelogo disabled but Lavf/SwS enabled
Signed-off-by: James Almer <jamrial@gmail.com>
Reviewed-by: Stefano Sabatini <stefasab@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

* cus/stable:
  ffmpeg: ensure that -fix_sub_duration doesnt create subtitles with zero duration
  ffmpeg: free empty subtitles as well in transcode_subtitles
  ffmpeg: do not pass possibly undefined subtitles to sub2video_update
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* qatar/master:
  go2meeting: disallow tile dimensions that are not multiple of 16
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'e026ee04':
  mpeg4videodec: move sprite_{shift,traj} from MpegEncContext to Mpeg4DecContext
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '513d849b':
  mpeg4videodec: move num_sprite_warping_points from MpegEncContext to Mpeg4DecContext
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '9ba3fc3e':
  mpeg4videodec: move sprite_brightness_change from MpegEncContext to Mpeg4DecContext
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '58c120a9':
  mpeg4videodec: move scalability from MpegEncContext to Mpeg4DecContext
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '6e81597d':
  mpeg4videodec: move enhancement_type from MpegEncContext to Mpeg4DecContext
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '2992afda':
  mpeg4videodec: remove a write-only variable from MpegEncContext
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '3b1c0f68':
  mpeg4videodec: move new_pred from MpegEncContext to Mpeg4DecContext
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'e89247de':
  mpeg4videodec: replace MpegEncContext.reduced_res_vop with a local variable
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '8cebc9ea':
  mpeg4videodec: remove a write-only variable from MpegEncContext
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'b1aacd56':
  mpeg4videodec: move t_frame from MpegEncContext to Mpeg4DecContext
Merged-by: Michael Niedermayer <michaelni@gmx.at>

This simplifies the code
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

* commit '03889074':
  mpeg4videodec: move cplx_estimation_* fields from MpegEncContext to Mpeg4DecContext

Conflicts:
	libavcodec/mpeg4videodec.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

This fixes the code after the variables have been moved into the
mpeg4 decoder.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

* commit '43af264d':
  mpeg4videodec: move mpeg4-specific bug workaround variables from MpegEncContext to Mpeg4DecContext

Conflicts:
	libavcodec/mpeg4videodec.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'e2ceb176':
  mpeg4videodec: move mpeg4-specific post-frame-decode code from h264dec to mpeg4videodec

Conflicts:
	libavcodec/h263dec.c
	libavcodec/mpeg4video.h
	libavcodec/mpeg4videodec.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

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

* commit 'b452d5ae':
  mpeg4videodec: move mpeg4-specific bug detection from h263 generic code to mpeg4

Conflicts:
	libavcodec/h263dec.c

not merged, the header decode function is not the right place
See: 6c9b82b6Merged-by: Michael Niedermayer <michaelni@gmx.at>

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

* commit '48e13940':
  mpeg4videodec: move MpegEncContext.resync_marker into Mpeg4DecContext.
Merged-by: Michael Niedermayer <michaelni@gmx.at>

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

* commit 'c2f7417e':
  vc1: move MpegEncContext.resync_marker into VC1Context.
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'a5a71992':
  mpeg4videoenc: don't set MpegEncContext.resync_marker
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'ad09f525':
  h263dec: remove commented out cruft

Conflicts:
	libavcodec/h263dec.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

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

* commit 'bc5abfb1':
  mpeg4videodec: move MpegEncContext.rvlc to Mpeg4DecContext
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '9f0617d2':
  mpeg4videodec: remove write-only sprite variables from MpegEncContext
Merged-by: Michael Niedermayer <michaelni@gmx.at>

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

* commit '1a890257':
  mpeg4videodec: move MpegEncContext.vol_sprite_usage to Mpeg4DecContext
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '75bd07f7':
  mpeg4videoenc: write 0 instead of vol_sprite_usage
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'e62a43f6':
  mpeg4videodec: move MpegEncContext.time_increment_bits to Mpeg4DecContext

Conflicts:
	libavcodec/mpeg4videodec.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'ee8af2dd':
  mpeg4videodec: move MpegEncContext.shape to Mpeg4DecContext

Conflicts:
	libavcodec/h263dec.c
	libavcodec/mpeg4videodec.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '35e0833d':
  mpeg4videodec: add a mpeg4-specific private context.

Conflicts:
	libavcodec/mpeg4video_parser.c
	libavcodec/mpeg4videodec.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>