This is normal, and happens when no extradata was available at decoder
initialization.
Signed-off-by: Paul B Mahol <onemda@gmail.com>

Fixes out of array accesses

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>

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 division by 0

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

This prevents potential integer overflows
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Without this the context state could become inconsistent
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>

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:
  apetag: use int64_t for filesize
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '274e134e':
  avconv: check that the output format context exists before accessing it

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

* commit '8b7dffc2':
  lavfi doxy: improve/extend AVFilter doxy.

Conflicts:
	libavfilter/avfilter.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '9835abb6':
  network: uniform ff_listen_bind and ff_listen_connect

Conflicts:
	libavformat/network.c
	libavformat/tcp.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '7c020e1a':
  movenc: Grow the frag_info array in chunks
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'ab118976':
  movenc: Increase the cluster array allocation by doubling
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '3b4feac1':
  movenc: Keep track of the allocated size for the cluster array
  mem: Add av_realloc_array and av_reallocp_array

Conflicts:
	doc/APIchanges
	libavformat/movenc.c
	libavutil/mem.c
	libavutil/mem.h
	libavutil/version.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Fixes dithering from 32 to 24 bit
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

The filter was ported to a native libavfilter filter.

Allows users to actually use such option.
Signed-off-by: Paul B Mahol <onemda@gmail.com>

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>

Fixes Ticket2618
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes ticket #2630.

Reviewed-by: Marton Balint

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

CC: libav-stable@libav.org

Fixes a segfault in exit_program() if opening an output file fails.

Needed for dithering S32
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>