* commit '077b5594':
  hevc: handle a NULL sps in set_sps() properly
Merged-by: Michael Niedermayer <michael@niedermayer.cc>

* commit '18156b53':
  hevc: do not pass an entire HEVCContext into export_stream_params()
Merged-by: Michael Niedermayer <michael@niedermayer.cc>

Fixes crash in 1288a2fe8e9ae6b00ca40e089d08ca65_signal_sigsegv_7ffff71426a7_354_accident.san with allocation limit 65536

Found-by: Samuel Groß, Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Fixes: 06a4edb39ad8a9883175f9bd428334a2_signal_sigsegv_7ffff713351a_706_mov__alac__ALAC_6ch.mov

Found-by: Samuel Groß, Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Theres no known case where its use on local files improves performance
if you know of such a case, please contact us
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

https://en.wikibooks.org/wiki/Regular_Expressions/POSIX_Basic_Regular_Expressions

Fixes NDKr10e on Cygwin,
CC_IDENT for it is defined as
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Fixes Ticket2513
Fixes Ticket4432
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

This allows configuring the io buffer in such way that few seeks are needed for playback
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: James Almer <jamrial@gmail.com>

There was some reorganisation in the HEVC headers so the sps and pps
now live in a different place.

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

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

internal.h is difficult to use due to circular dependancies
mem.h is a public header ff_* is not public
Alternative solutions probably are possible too
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Feel free to use either, they both work but the old one provides
more information but needs the hevc decoder
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

* commit '650060df':
  hevc_parser: parse and export some stream parameters

Conflicts:
	configure
	libavcodec/hevc_parser.c
Merged-by: Michael Niedermayer <michael@niedermayer.cc>

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

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

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

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

* commit '7f78155d':
  hevc: improve a comment
Merged-by: Michael Niedermayer <michael@niedermayer.cc>

* commit 'd82e1adc':
  hevc: move splitting the packet into NALUs into a separate function

Conflicts:
	libavcodec/hevc.c
	libavcodec/hevc.h
	libavcodec/hevc_parse.c
Merged-by: Michael Niedermayer <michael@niedermayer.cc>

* commit 'ae05b486':
  hevc: eliminate the second call to hls_nal_unit()

Conflicts:
	libavcodec/hevc.c
Merged-by: Michael Niedermayer <michael@niedermayer.cc>

* commit 'd7bebe48':
  hevc: skip invalid/ignored NALUs when splitting the packet
Merged-by: Michael Niedermayer <michael@niedermayer.cc>

* commit 'b11acd57':
  hevc: remove HEVCContext usage from hevc_ps

Conflicts:
	libavcodec/hevc.c
	libavcodec/hevc_cabac.c
	libavcodec/hevc_filter.c
	libavcodec/hevc_mvs.c
	libavcodec/hevc_ps.c
	libavcodec/hevc_refs.c
	libavcodec/hevcpred_template.c
Merged-by: Michael Niedermayer <michael@niedermayer.cc>

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

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

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

* commit 'ab05ed4c':
  mpegvideo_parser: export pixel format and dimensions

Conflicts:
	libavcodec/mpegvideo_parser.c
Merged-by: Michael Niedermayer <michael@niedermayer.cc>

* commit '9f4c7397':
  hevc: check slice address length

See: 05cc8c8eMerged-by: Michael Niedermayer <michael@niedermayer.cc>

* commit 'a9a2f361':
  doc: add a section about building with libmfx

Conflicts:
	doc/general.texi
Merged-by: Michael Niedermayer <michael@niedermayer.cc>

* commit '86eee85d':
  bytestream2: set the reader to the end when reading more than available
Merged-by: Michael Niedermayer <michael@niedermayer.cc>

* commit '8bc67ec2':
  Checkasm: assembly testing and benchmarking tool
Merged-by: Michael Niedermayer <michael@niedermayer.cc>

Fixes Ticket4546
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Signed-off-by: Niklesh <niklesh.lalwani@iitb.ac.in>

This can happen in update_thread_context(), when the previous frame was
corrupted.

It only needs the parameter sets.

This also prevents an eventual compilation failure once request_channels
is removed.
Reviewed-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: James Almer <jamrial@gmail.com>

Particularly those that will be needed by the QSV decoder.
More can be added later as necessary.