Fix Ticket1986
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Mostly cosmetics changes, but also makes
decoding little faster here.
Signed-off-by: Paul B Mahol <onemda@gmail.com>

The code should not assert in case of invalid user input. Fails
gracefully instead.

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

This fixes passing fields instead of frames into the decoder.
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:
  avio: K&R cosmetic formatting

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

* commit '91ac403b':
  lavf: fix arithmetic overflows in avformat_seek_file()
  mjpeg: initialize input padding after unescaped buffer to zero

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

* commit '18e6f087':
  img2: document the options available
  hls: improve options description
  hls: use a meaningful long name
  hls: add start_number option
  h264: check for invalid zeros_left before writing

Conflicts:
	doc/demuxers.texi
	doc/muxers.texi
Merged-by: Michael Niedermayer <michaelni@gmx.at>

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

Fixes ticket #1218

Fixes rare race condition leading to null pointer dereferences.

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

This should fix build (include is necessary for ff_get_buffer).

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

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

Successfully opening a device altered the ret variable, making the function
not cleanup properly and return an incorrect value for errors that happened
afterwards.
Reviewed-by: Stefano Sabatini <stefasab@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

The values compared here can be more than INT64_MAX apart.  Since the
difference is always positive, converting to uint64_t before subtracting
gives the correct result without overflows.
Signed-off-by: Mans Rullgard <mans@mansr.com>

samples created with

"cjpeg -grayscale -sample 1x3 / 1x4 / 3x1 / 3x3 / 4x1 / 4x3 / 4x4"

http://www.datafilehost.com/download-d828329d.htmlSigned-off-by: Michael Niedermayer <michaelni@gmx.at>

Core I7 (Sandy Bridge) 135 to 107 cycles
Core i5 (Arrandale) 162 to 142 (Thanks to Christophe Gisquet for testing)
Reviewed-by: Christophe Gisquet <christophe.gisquet@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Stefano Sabatini <stefasab@gmail.com>

Signed-off-by: Stefano Sabatini <stefasab@gmail.com>

Fixes valgrind --undef-value-errors=yes warnings caused by valid
overreads in the fate vsynth jpegls, cover-art-ape and cover-art-wv
tests.

Prevent an invalid write into coeffs[scantable[-1]] if zeros_left
itself was an invalid VLC code (and thus -1).
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

* qatar/master:
  golomb: use unsigned arithmetics in svq3_get_ue_golomb()
  x86: float_dsp: fix loading of the len parameter on x86-32
  takdec: fix initialisation of LOCAL_ALIGNED array
  takdec: fix initialisation of LOCAL_ALIGNED array

Conflicts:
	libavcodec/rv30.c
	libavcodec/svq3.c
	libavcodec/takdec.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

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