* commit 'b53d8c3c':
  mjpegdec: Drop disabled code

The last chunk is replaced with a comment describing the structure.
Merged-by: Clément Bœsch <u@pkh.me>

* commit '34c22a9c':
  faan(i)dct: Kill some disabled code
Merged-by: Clément Bœsch <u@pkh.me>

* commit 'a4b1b5aa':
  wc3movie: Drop unused cruft
Merged-by: Clément Bœsch <u@pkh.me>

* commit '17cb56b3':
  ffv1: Remove broken disabled cruft
Merged-by: Clément Bœsch <u@pkh.me>

* commit 'b96f0ab3':
  h264: Kill broken disabled cruft
Merged-by: Clément Bœsch <u@pkh.me>

* commit '42c4c2d2':
  aac: Drop broken cruft
Merged-by: Clément Bœsch <u@pkh.me>

* commit '263efc09':
  jfdct: Kill broken cruft
Merged-by: Clément Bœsch <u@pkh.me>

* commit 'd9442d13':
  rm: Drop broken disabled cruft
Merged-by: Clément Bœsch <u@pkh.me>

* commit 'dab2034b':
  roqvideoenc: Drop broken disabled cruft
Merged-by: Clément Bœsch <u@pkh.me>

* commit '562bec0e':
  pnm_parser: Drop broken disabled cruft
Merged-by: Clément Bœsch <u@pkh.me>

* commit 'a972fc1c':
  wma: Kill non-compiling disabled cruft

See 0755033fMerged-by: Clément Bœsch <u@pkh.me>

* commit 'aa37d2bf':
  swscale: Kill non-compiling disabled cruft

The isGray() chunk is not merged as an alternative patch actually fixing
the dead code is currently under review on the mailing-list.

The SWS_X chunk is merged, with an additional cosmetic.
Merged-by: Clément Bœsch <u@pkh.me>

* commit 'd5fda00e':
  mpeg4videoenc: Kill non-compiling disabled cruft
Merged-by: Clément Bœsch <u@pkh.me>

* commit 'e4d5b551':
  rangecoder: Kill non-compiling disabled cruft
Merged-by: Clément Bœsch <u@pkh.me>

benchmark:
sse2 10.670s
avx   8.763s
fma3  8.380s
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>

* commit '00a0419c':
  mathematics: Kill non-compiling disabled cruft

This commit is a noop, see 1e1513d0Merged-by: Clément Bœsch <u@pkh.me>

* commit '5a667322':
  vaapi_vc1: Remove redundant version check

This commit is a noop, see d07d01bcMerged-by: Clément Bœsch <u@pkh.me>

* commit '01d6f84f':
  vaapi_vc1: Constify pointers

This commit is a noop, see 845c2c14Merged-by: Clément Bœsch <u@pkh.me>

* commit 'ee906129':
  vaapi_mpeg2: Constify pointers

This commit is a noop, see 6bc2808cMerged-by: Clément Bœsch <u@pkh.me>

* commit '03adfe91':
  vaapi_h264: Constify pointers

This commit is a noop, see d0897da9Merged-by: Clément Bœsch <u@pkh.me>

* commit '121f34d5':
  hwcontext_vaapi: Try the first render node as the default DRM device

This commit is a noop, see 8d47d840Merged-by: Clément Bœsch <u@pkh.me>

* commit '6fc944e6':
  Prepare for 12_alpha1 Release

This commit is a noop.
Merged-by: Clément Bœsch <u@pkh.me>

* commit 'f6d2fed8':
  avconv: Make sure that inputless filtergraphs are configured

This commit is a noop. Related code is pretty different in ffmpeg, and
-filter_complex testsrc works.

See also af1761f7Merged-by: Clément Bœsch <u@pkh.me>

* commit '602abe77':
  avconv: Check the fifo allocation

This commit is a noop, see af1761f7Merged-by: Clément Bœsch <u@pkh.me>

* commit 'f2143c57':
  vp9: reindent after last commit
  vp9: add frame threading
  vp9: allocate 'b', 'block/uvblock' and 'eob/uveob' dynamically.
  vp9: split last/cur_frame from the reference buffers.

This commit is a noop, we already have all these changes. Again, we will
need in the future to analyse the tiny differences between the two
repository on the vp9 files. But in the current state, it's a real pain
to do at every commit due to the huge differences (such as files split
and cosmetics).
Merged-by: Clément Bœsch <u@pkh.me>

* commit '04763c6f':
  h264_direct: use the reference mask from the actual reference

This commit is a noop, see d8151a7eMerged-by: Clément Bœsch <u@pkh.me>

* commit 'e9bfff1c':
  lavc: free buffer_frame/pkt on avcodec_open2() failure

This commit is a noop, see 27adf9f9.

Only reordered to reduce diff.
Merged-by: Clément Bœsch <u@pkh.me>

* commit 'ec021d48':
  buffer: fix av_buffer_pool_init2() documentation
Merged-by: Clément Bœsch <u@pkh.me>

The typeof keyword is apparently not available when using the -std=c99 option.

Fixes the use of C11 atomic functions with old GCC.
Reviewed-by: Muhammad Faiz <mfcc64@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>

Not used by anything at all since we don't auto insert lavr filters.
Reviewed-by: wm4 <nfxjfg@googlemail.com>
Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>

use fltp when doing s32 -> s32 resampling
because s32p has no simd optimization

benchmark:
old 17.913s
new  7.584s (use fma3)
Reviewed-by: wm4 <nfxjfg@googlemail.com>
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>

Fixes a gcc warning:
libavcodec/bitstream_filter.c:71:20: warning: assignment discards 'const' qualifier from pointer target type

These values are defined to be 32bit in the specification,
so it makes more sense to store them as fixed width.

Based on a patch by Micahel Niedermayer <michael@niedermayer.cc>.
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>

This field is of little value, and interferes with testing side data,
since sizes can be different on multiple architectures.
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>

* commit '0638b99c':
aiff: Skip padding byte for odd-sized chunks

Also removes to odd-size checks from get_aiff_header and get_meta to use
the generic path introduced by the original commit.
Merged-by: Matthieu Bouron <matthieu.bouron@gmail.com>

Allows to get a more realistic total bitrate (and estimated file size)
in avi_write_header. Previously a static default value of 200k was
assumed.

Adds an internal helper function for bitrate guessing.
Signed-off-by: Tobias Rapp <t.rapp@noa-archive.com>
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>

(cherry picked from Libav commit d10102d2)
Signed-off-by: Tobias Rapp <t.rapp@noa-archive.com>