* commit '3cc3463f':
  avisynth: Support pix_fmts added to AviSynth+

This commit is mostly a noop, see
92916e85.

Cosmetics and a small fix are merged.
Merged-by: Clément Bœsch <u@pkh.me>

* commit 'aaae5970':
  avisynth: Simplify the pix_fmt check for the newer AviSynth API

This commit is a noop, see 0ed5c3ceMerged-by: Clément Bœsch <u@pkh.me>

* commit 'bcefafa2':
  avisynth: Fix setting stream timebase

This commit is a noop, see 8009a1f1Merged-by: Clément Bœsch <u@pkh.me>

* commit '481ff3cf':
  fate: Add h264 and hevc extradata reload tests

Only the HEVC part is merged, see 00c80798Merged-by: Clément Bœsch <u@pkh.me>

* commit 'd5d62ce6':
  mov: Fix identity matrix boolean logic

This commit is a noop, see 7010ebdfMerged-by: Clément Bœsch <u@pkh.me>

* commit '81d7f0bb':
  checkasm: vp9dsp: Benchmark the dc-only version of idct_idct separately
Merged-by: Clément Bœsch <u@pkh.me>

* commit 'e7ae8f7a':
  aarch64: vp9: loop filter: replace 'orr; cbn?z' with 'adds; b.{eq,ne};

This commit is a noop, see e7ae8f7aMerged-by: Clément Bœsch <u@pkh.me>

* commit 'd7595de0':
  aarch64: vp9: use alternative returns in the core loop filter function

This commit is a noop, see 62ea07d7Merged-by: Clément Bœsch <u@pkh.me>

* commit 'e17567a8':
  libilbc: support for latest git of libilbc

This commit is a noop, see 59af5383Merged-by: Clément Bœsch <u@pkh.me>

* commit 'ffe89e1e':
  configure: Move mjpeg_vaapi_decoder dependency declarations to the right place
Merged-by: Clément Bœsch <u@pkh.me>

* commit 'f7407f56':
  golomb: Replace __PRETTY_FUNCTION__ with __func__ for tracing
Merged-by: Clément Bœsch <u@pkh.me>

* commit 'fbd1f763':
  af_asyncts: Use llabs instead of labs for 64-bit variable

This commit is a noop, see a8fe8d6bMerged-by: Clément Bœsch <u@pkh.me>

* commit 'e0b16457':
  qsv: Add VP8 decoder
Merged-by: Clément Bœsch <u@pkh.me>

* commit '182cf170':
  vp8: Return stream format information from parser

Return codes are adjusted to consume the whole packet in case of error
as the API does not allow returning AVERROR codes (a negative return
value is valid).
Merged-by: Clément Bœsch <u@pkh.me>

refer to: http://creativeandcritical.net/str-replace-c
add av_strreplace API for replace string operations.
Signed-off-by: Steven Liu <lq@chinaffmpeg.org>

See https://lists.libav.org/pipermail/libav-devel/2016-October/079829.html

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

* commit 'b6582b29':
  qsv: Add VC-1 decoder

See fb57bc6c.
Merged for cosmetic purposes to reduce differences with libav.
Merged-by: James Almer <jamrial@gmail.com>

* commit 'fea4dc05':
  vc1: Return stream format information from parser

This commit is a noop, see 4df6605dMerged-by: James Almer <jamrial@gmail.com>

* commit '0940b748':
  qsvdec: Only warn about unconsumed data if it happens more than once
Merged-by: James Almer <jamrial@gmail.com>

* commit '030d84fa':
  qsvdec: Pass field order information to libmfx
  qsvdec: Pass the correct profile to libmfx

These commits are a noop, see 1f26a231Merged-by: James Almer <jamrial@gmail.com>

* commit '3297577f':
  mpegvideo: Return correct coded frame sizes from parser

This commit is a noop, see 309fe16aMerged-by: James Almer <jamrial@gmail.com>

* commit '31756abe':
  aarch64: vp9: loop_filter: fix typo in skip flatout8 check
  aarch64: vp9: Implement NEON loop filters
  arm: vp9itxfm: Simplify txfm string comparisons

These commits are a noop, see
b4dc7c34
f1212e47Merged-by: James Almer <jamrial@gmail.com>

* commit '3c9546df':
  aarch64: vp9: Add NEON itxfm routines

This commit is a noop, see f43079e1Merged-by: James Almer <jamrial@gmail.com>

Found-by: ubitux

* commit '01348e41':
  avconv_opt: Consistently iterate through hwaccels array in all cases
Merged-by: James Almer <jamrial@gmail.com>

* commit '800d91d3':
  Drop pointless void* casts
Merged-by: James Almer <jamrial@gmail.com>

* commit 'd316f9ce':
  aac: Drop pointless cast
Merged-by: James Almer <jamrial@gmail.com>

* commit '8ddfa5ae':
  vf_drawtext: Drop wrong void* cast

This commit is a noop, see 4c96985aMerged-by: James Almer <jamrial@gmail.com>

* commit 'fcbdd605':
  nut: Use correct function pointer casts instead of void*

This commit is a noop. Casts are not needed.
Merged-by: James Almer <jamrial@gmail.com>

* commit '3b50dbc5':
  ratecontrol: Use correct function pointer casts instead of void*
Merged-by: James Almer <jamrial@gmail.com>

* commit 'dd299a2d':
  arm: vp9: Add NEON loop filters

This commit is a noop, see 6bec60a6Merged-by: James Almer <jamrial@gmail.com>

* commit 'f7d183f0':
  libxvid: Check return value of write() call

This commit is a noop, see 25f35df1Merged-by: James Almer <jamrial@gmail.com>

* commit 'e5e8a26d':
  libxvid: Use proper context in av_log() calls
Merged-by: James Almer <jamrial@gmail.com>

* commit '12db2832':
  libxvid: Require availability of mkstemp()

This commit is a noop. Our libxvid wrapper doesn't use mkstemp().
Merged-by: James Almer <jamrial@gmail.com>

* commit 'a67ae670':
  arm: vp9: Add NEON itxfm routines

This commit is a noop, see b4dc7c34Merged-by: James Almer <jamrial@gmail.com>

* commit '0b37cd09':
  checkasm: add vp9dsp.itxfm_add tests.

This commit is a noop, see 0b227c6dMerged-by: James Almer <jamrial@gmail.com>

* commit 'fd0fae60':
  pthread_frame: Unreference hw_frames_ctx on per-thread codec contexts

This commit is a noop, see fb69a8e1Merged-by: James Almer <jamrial@gmail.com>