x86: h264: Don't use redzone in AVX h264_deblock on Win64

This fixes crashes in chromium on win64 on machines with AVX
(crashes that apparently aren't triggered by fate).

Signed-off-by: Martin Storsjö <martin@martin.st>
dxva2: move _WIN32_WINNT handling to public header

This removes duplicate code

Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Merge remote-tracking branch 'qatar/master'

* qatar/master:
  x86: h264: Don't use redzone in AVX h264_deblock on Win64

No code change, as the commit has been already integrated
merge just for metadata

Merged-by: Michael Niedermayer <michaelni@gmx.at>
mxg: do not leak mxg->buffer

Signed-off-by: Paul B Mahol <onemda@gmail.com>
aacdec: dont pop random configurations

Fixes out of array accesses

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
cafenc: do not leak caf->pkt_sizes

Signed-off-by: Paul B Mahol <onemda@gmail.com>
aac: reconfigure output on pop

Fixes Ticket1918

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
lavfi/boxblur: add support to named options
doc/filters: apply minor spacing fixes to boxblur docs
exr: check version too

Separate version from flags.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
exr: merge multiple if () blocks

Remove useless comments.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
exr: fix overflow check in lineoffset processing

Also read data size for raw compressions too and
make sure its value is sane.

Remove code that fills missing blocks with zeroes.
It is marginally useful and make implementation
of actually useful features harder.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
exr: support more line orders

Signed-off-by: Paul B Mahol <onemda@gmail.com>
exr: check if line offset table is complete only once per frame

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

Signed-off-by: Paul B Mahol <onemda@gmail.com>
exr: remove superfluous check

get_header_variable_length() already check for
out of array read and returns 0 in such case.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
exr: shorter channel buffer names

Signed-off-by: Paul B Mahol <onemda@gmail.com>
avutil/mem: do a small set of checks for memalign hack before freeing.

These can detect some kinds of memory and or pointer corruptions

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Improve QTRLE encoding performance, no change to output file size/content.

Avoid searching for the lowest bulk cost for each pixel that isn't a repeat/skip. Instead store the lowest cost as we go along each pixel, and use it as needed.

Signed-off-by: Malcolm Bechard <malcolm.bechard@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
dynamic loading of shared faac library