Fixes compilation when the macros are empty and the label above ends up
containing no statement. Also makes usage of these macro consistent
(some already have a semi colon, some others don't).

Fixes Ticket #2603

* commit 'b493847d':
  avcodec: Add picture structure information to AVCodecParserContext.

Conflicts:
	doc/APIchanges
	libavcodec/version.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Anton Khirnov <anton@khirnov.net>

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

Signed-off-by: Paul B Mahol <onemda@gmail.com>

Signed-off-by: Paul B Mahol <onemda@gmail.com>

Signed-off-by: Paul B Mahol <onemda@gmail.com>

Signed-off-by: Paul B Mahol <onemda@gmail.com>

Signed-off-by: Paul B Mahol <onemda@gmail.com>

Signed-off-by: Paul B Mahol <onemda@gmail.com>

Signed-off-by: Paul B Mahol <onemda@gmail.com>

Signed-off-by: Paul B Mahol <onemda@gmail.com>

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

Fixes: Ticket2587
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

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

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

Signed-off-by: Paul B Mahol <onemda@gmail.com>

Signed-off-by: Paul B Mahol <onemda@gmail.com>

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

Signed-off-by: Paul B Mahol <onemda@gmail.com>

Signed-off-by: Paul B Mahol <onemda@gmail.com>

* qatar/master:
  wavpack: check packet size early
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '3f0b6d7a':
  wavpack: use bytestream2 in wavpack_decode_block

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

* commit 'f36d7831':
  pixdesc: mark gray8 as pseudopal

Conflicts:
	libavutil/pixdesc.c

No change as gray8 was already marked as pseudopal in FFmpeg
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '3eae9b03':
  mpegvideo: unref buffers in ff_mpeg_unref_picture on frame size changes
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Otherwise, during error conditions, the caller will be left with
dangling pointers to a destructed packet => boom.

BUG=242786
TEST=ffmpeg_regression_tests

Commit slightly simplified by commiter
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

This makes mp=softpulldown actually useful.
Signed-off-by: Paul B Mahol <onemda@gmail.com>

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org

Prevent most out of buffer reads.

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org

Fixes out of array accesses

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Many functions treat it as such already.
Fixes Bug 499.

CC:libav-stable@libav.org

Fixes out of array writes
No FFmpeg release is affected by this

This also fixes some artifacts

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

Also disable it by default since it looks currently buggy. The
usefulness of such library is mostly limited to backward compatibility
with very old devices.

Fixes part of Ticket #2517.