* commit '1ea77aae':
  configure: Drop bogus xcb_event variables

This commit is a noop, see 50138ea4Merged-by: Clément Bœsch <u@pkh.me>

* commit '3794062a':
  Remove Plan 9 support
Merged-by: Clément Bœsch <u@pkh.me>

* commit '4a1ef543':
  build: Drop support for old versions of libdc1394
Merged-by: Clément Bœsch <u@pkh.me>

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

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

Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>

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

Fixes: CID1404843
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpegSigned-off-by: Michael Niedermayer <michael@niedermayer.cc>

As it gives excellent encoding gains at an insignificant speed increase
and passes fate without problems, it should now be safe to enable by
default.
Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>

Isn't supported.
Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>

When coding lossless jpeg the priv context will be pointing to LJpegEncContext
rather than MpegEncContext, which the function expects.
Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>

* commit '2575b191':
  build: Add separate flags for checkheaders targets
Merged-by: Clément Bœsch <u@pkh.me>

* commit '984e50e7':
  build: Add -Wpedantic and -Wextra to extra warning flags
Merged-by: Clément Bœsch <u@pkh.me>

* commit '33a2b73b':
  mpeg4audio: correctly propagate meaningful error values

This commit is a noop, see 50b14539Merged-by: Clément Bœsch <u@pkh.me>

* commit 'd82d5379':
  mmaldec: initialize refcount using atomic_init()
Merged-by: Clément Bœsch <u@pkh.me>

* commit '518a2247':
  configure: Be more helpful when requiring options set
Merged-by: Clément Bœsch <u@pkh.me>

* commit 'a91f1023':
  examples: fix a typo in an error message

This commit is a noop, see 3aa1ff30Merged-by: Clément Bœsch <u@pkh.me>

* commit '706af922':
  lavu: Document the color properties enumeration values origin
Merged-by: Clément Bœsch <u@pkh.me>

* commit '5168026a':
  options_table: Do not rely on enum size as option bound
Merged-by: Clément Bœsch <u@pkh.me>

* commit 'ff9db5cf':
  lavc: Use a stricter check for the color properties values
Merged-by: Clément Bœsch <u@pkh.me>

* commit '0a35f128':
  cabac: x86: Give optimizations header a more meaningful name
Merged-by: Clément Bœsch <u@pkh.me>

* commit 'cad42fad':
  aarch64: vp9itxfm: Skip empty slices in the first pass of idct_idct 16x16 and 32x32

This commit is a noop, see 8b11a89cMerged-by: Clément Bœsch <u@pkh.me>

* commit '9c8bc74c':
  arm: vp9itxfm: Skip empty slices in the first pass of idct_idct 16x16 and 32x32

This commit is a noop, see 388f6e67Merged-by: Clément Bœsch <u@pkh.me>

* commit '3c87039a':
  arm: vp9itxfm: Only reload the idct coeffs for the iadst_idct combination

This commit is a noop, see ecd343aaMerged-by: Clément Bœsch <u@pkh.me>

* commit 'c4c5f538':
  vp9dsp: add DC only versions for idct/idct.

This commit is a noop, see 64821f5aMerged-by: Clément Bœsch <u@pkh.me>

* commit 'e4382a4a':
  hevc: Eliminate pointless variable indirection

This commit is a noop, the code is different in FFmpeg.
Merged-by: Clément Bœsch <u@pkh.me>

* commit '5c890225':
  hevc: Drop pointless av_unused attribute
Merged-by: Clément Bœsch <u@pkh.me>

* commit '0983f911':
  metasound: Drop unused tables

This commit is mostly a noop, see
276a8666
e8319f60Merged-by: Clément Bœsch <u@pkh.me>

* commit 'c21d78a9':
  configure: Integrate X11 checks into vaapi/vdpau checks
Merged-by: Clément Bœsch <u@pkh.me>

* commit '8b56dbe7':
  configure: Do not add newlines in filter()/filter_out() functions
Merged-by: Clément Bœsch <u@pkh.me>

* commit '9254344e':
  configure: Move hardware-accelerated codec deps out of hwaccel section
Merged-by: Clément Bœsch <u@pkh.me>

* commit 'd4f2a681':
  configure: MMAL-related decoders should depend on, not select, mmal
Merged-by: Clément Bœsch <u@pkh.me>

Saves around 5kbps.
Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>

Apparently its only use is to enable comfort noise/error recovery.
Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>

Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>

Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>

Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>