Use Matroska document version 2 for WebM files if possible.

Google's plugin for the Internet Explorer refuses to play
files with another document version.

Fixes ticket #3583.
(cherry picked from commit ab21acecc72a0299895583cf83347ab5e2444b71)
ffprobe: fix crash happening because of new streams occuring

Fix trac ticket #3603.

Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
(cherry picked from commit 73a60633143b7c51333a0772b45a47282ac445b6)
aarch64: Use the correct syntax for relocations

This fixes building in PIC mode with gas. The examples in the gas
manual showed using a # here even though gas itself actually didn't
support that syntax (and the gas test suite only tests it without
the extra hash sign).

CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit 08cd92144e73195eecc28ed0348e66e255516b82)
Signed-off-by: Martin Storsjö <martin@martin.st>
ppc: Fix compilation for ppc64le (ELFv2)

CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit d6d767d93e532246cacf3567e6bcad76a821f838)
Signed-off-by: Martin Storsjö <martin@martin.st>
Improve the detection of architecture x86.

This fixes building on Debian GNU/Hurd.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 0f17bc644c4af0f9e0fab714fadf4f4f02140a0e)
Correct the FSF address for two avisynth files to '51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA'

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 64b6164b721c77cbb28b381af31bd8ea753818c5)
Fix spelling errors in texi files: accomodate -> accommodate allows to -> allows one to choosen -> chosen compability -> compatibility explictly -> explicitly overriden -> overridden specifed -> specified Trasmission -> Transmission

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 9898bd9a82ad16f7ef2dcc26542827ff92255821)
Fix spelling error 'Inconsistant -> Inconsistent'

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit eeb3baf7f7257ea5586bf857cc668f6aff81d556)
avformat/mov: allow seeking back to the begin even if nothing is marked as keyframe

Fixes Ticket 3663

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 96470ca22b3b46677de0e2df64e87c5ec80d752b)
Merge commit '0ec75a04e5fc714bc3cd6e2a6b783e6df834ad01' into release/2.2

* commit '0ec75a04e5fc714bc3cd6e2a6b783e6df834ad01':
  ppc: Fix compilation for ppc64le (ELFv2)
  aarch64: Use the correct syntax for relocations

Merged-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/diracdec: move mc buffer allocation to per frame

Fixes out of array accesses for non default buffers with large strides

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 4a30f08505a4e85718896ff233c97be41a9754ca)
avutil/cpu: force mmx on selection of higher x86 SIMD features

Fixes various runtime failures with manually set flags that represent no
existing CPU

Fixes Ticket3653

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 6310eb8010b7a3b3016e297132380cbd4e3d2d10)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/libvorbisenc: dont add the duration to AV_NOPTS_VALUE

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 19e66c7232d96e4ae8f05b52da2b84dfaa4e4da3)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/aac: fix () in IS_CODEBOOK_UNSIGNED macro

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit fa915d4193e13187773c500b80c7df6baeb22c3b)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/golomb-test: fix () in EXTEND() macro

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 97e6b5ee3a16fee7d130f19f4dcee030f14d91cf)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/h264: fix () in macros

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit af62b42736c00332d39965168b5cc966a06f07d6)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/hevc: fix () in macros

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 70f671c39e53f0e54914185dd3ed5afa6b66708b)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/ivi_dsp: add some missing () to macros

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit f276bf303cbb7a8fed3c388135007bc29f45f8d5)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/mlpdec: fix () in MSB_MASK() macro

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit fa160af08b6f42f17e93124aef86e3f6eec70d51)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/mss34dsp: fix () in SOP* macros

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 6e720c5c815e510188a0bda654662383f2c48050)

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