* 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>

* commit '11623217':
  arm: vp9mc: Use a different helper register for PIC loads

This commit is a noop, see 68caef9dMerged-by: James Almer <jamrial@gmail.com>

* commit '824e8c28':
  arm: Clear the gp register alias at the end of functions

This commit is a noop, see 86c5a23eMerged-by: James Almer <jamrial@gmail.com>

* commit '905cdcaa':
  examples/decode_audio: Add missing header for av_free()
Merged-by: James Almer <jamrial@gmail.com>

* commit '6a62795d':
  aarch64: h264idct: Use the offset parameter to movrel

This commit is a noop, see da5c8284Merged-by: James Almer <jamrial@gmail.com>

* commit '557c1675':
  arm: vp9mc: Minor adjustments from review of the aarch64 version

This commit is a noop, see 68caef9dMerged-by: James Almer <jamrial@gmail.com>

* commit '383d96aa':
  aarch64: vp9: Add NEON optimizations of VP9 MC functions

This commit is a noop, see 1f7801c2Merged-by: James Almer <jamrial@gmail.com>

* commit 'c44a8a3e':
  aarch64: Add an offset parameter to the movrel macro

This commit is a noop, see 7fe898dbMerged-by: James Almer <jamrial@gmail.com>

* commit 'a4cfcddc':
  vp9: Make the subpel filters non-static

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

* commit '98cae966':
  matroskaenc: write updated STREAMINFO metadata for FLAC streams if available

This commit is a noop, see 8c1342e6Merged-by: James Almer <jamrial@gmail.com>

* commit 'f4bf2363':
  matroskaenc: fix muxing AAC streams when using aac_adtstoasc bsf

This commit is a noop. aac_adtstoasc bsf sends its extradata update
straight to codecpar->extradata.
This behavior violates the bsf API and should be fixed so this change
may then be applied.
Merged-by: James Almer <jamrial@gmail.com>

* commit '84f22568':
  pthread_frame: properly propagate the hw frame context across frame threads

This commit is a noop, see 98f89d61.
Merged-by: James Almer <jamrial@gmail.com>

* commit '72a19f40':
  mpegaudiodsp: aarch64: Adjust function prototype after 2caa93b8Merged-by: James Almer <jamrial@gmail.com>