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.

Fixes array overread

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

ff_mpeg_unref_picture clears the flag indicating that the frame needs to
be reallocated after a frame size change. Since we have now reference
counted buffers we can unref the buffers immediately.

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

Fixes Ticket2386

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

* qatar/master:
  configure: Enable the strtod workaround when building for bionic

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

* cehoyos/master:
  Add a fate test for ProRes Transparency.

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

Fixes out of array reads

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

Fixes null pointer dereference

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

Fixes potential integer overflow

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

Fixes out of array accesses

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

Fixes out of array accesses
Code ported from j2kdec

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
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>

This fixes at least one out of array access

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

This is likely remotely exploitable
Fix ported from j2kdec
No uptodate FFmpeg release should be affected by this

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

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

Found-by: wm4
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes various problems

Code ported from j2kdec

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

This should simplify merging the 2 decoders

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

This should simplify merging

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

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

Hopefully enhance readability.

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

Signed-off-by: Martin Storsjö <martin@martin.st>

Previously this was hardcoded to 4 seconds

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

Fixes Ticket2593

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: Michael Niedermayer <michaelni@gmx.at>

* qatar/master:
  proresdec: simplify slice component offsets handling

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

* commit 'cfbd98abe82cfcb9984a18d08697251b72b110c8':
  mjpegdec: validate parameters in mjpeg_decode_scan_progressive_ac

Conflicts:
	libavcodec/mjpegdec.c

See: 1f41cffe1e

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

* commit 'c209d0df657f172f42d9bafbcdfa02dfb14f6965':
  fate.sh: add support for build-only FATE instances

Conflicts:
	doc/fate.texi

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

* commit 'a030279a67ef883df8cf3707774656fa1be81078':
  ljpeg: use the correct number of components in yuv

Conflicts:
	libavcodec/mjpegdec.c

See: b2e57eb5a3

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