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

Before:
5679 decicycles in epel_bi, 2059976 runs, 37176 skips
3468 decicycles in epel_uni, 1040886 runs, 7690 skips

After:
5323 decicycles in epel_bi, 2059493 runs, 37659 skips
3262 decicycles in epel_uni, 1040871 runs, 7705 skips
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Should have been in 036f11bd.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

This provides a public sustainable API/ABI for DCT functions.
Only externally used dct functions are included.
The structure is extensible without ABI issues compared to the
existing dct contexts.

See Mailing list and IRC log of 2014-07-26/27

Reviewed-by: ubitux
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

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

* commit '541427ab':
  eamad: use the bytestream2 API instead of AV_RL

Conflicts:
	libavcodec/eamad.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Reduces difference to 56f98e34Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

This is safer and possibly fixes invalid reads on truncated data.

CC:libav-stable@libav.org

cherry picked from commit 3b69a2dc469160ee87367191e630e8398e832227
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

cherry picked from commit 3b69a2dc469160ee87367191e630e8398e832227
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

cherry picked from commit d4d61a071f087db2a4bc2b49559d40dd350a841e
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

* commit '7215fcf8':
  avformat: Mark AVOutputFormat argument in avformat_query_codec as const
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'ec4f04da':
  avformat: Mark argument in av_{i|o}format_next/ffurl_protocol_next as const

Conflicts:
	libavformat/format.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '53abe324':
  avcodec: Mark argument in av_{parser|hwaccel|bitstream_filter}_next as const

Conflicts:
	libavcodec/avcodec.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Bug found from comparing 56f98e34 to HEAD
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Idea-from: 56f98e34Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

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

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

Signed-off-by: James Almer <jamrial@gmail.com>
Reviewed-by: Mickaël Raulet <mraulet@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

* commit '1a880b2f':
  hevc: SSE2 and SSSE3 loop filters

Conflicts:
	libavcodec/hevcdsp.c
	libavcodec/hevcdsp.h
	libavcodec/x86/Makefile
	libavcodec/x86/hevc_deblock.asm
	libavcodec/x86/hevcdsp_init.c

See: de7b89fd and several others
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '73bb8f61':
  hevcdsp: remove an unneeded variable in the loop filter

Conflicts:
	libavcodec/hevc_filter.c

See: d7e162d4Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '56f98e34':
  output example: convert audio to the format supported by the encoder

Conflicts:
	doc/examples/muxing.c

Not merged as our example code already does that for what is needed
and we generate matching data for the rest. generating fixed data
and converting all parameters could be done of course.
Merged-by: Michael Niedermayer <michaelni@gmx.at>

This would allow the example to be used in regression tests
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

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

Idea from: 56f98e34Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

* commit '884f7c97':
  output example: set the stream timebase

Conflicts:
	doc/examples/muxing.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Only 8-bit and 10-bit idct_dc() functions are included (adding others should be trivial).

Benchmarks on an Intel Core i5-4200U:

idct8x8_dc
       SSE2   MMXEXT  C
cycles 22     26      57

idct16x16_dc
       AVX2   SSE2    C
cycles 27     32      249

idct32x32_dc
       AVX2   SSE2    C
cycles 62     126     1375
Signed-off-by: James Almer <jamrial@gmail.com>
Reviewed-by: Mickaël Raulet <mraulet@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Additional contributions by James Almer <jamrial@gmail.com>,
Carl Eugen Hoyos <cehoyos@ag.or.at>, Fiona Glaser <fiona@x264.com> and
Anton Khirnov <anton@khirnov.net>
Signed-off-by: Anton Khirnov <anton@khirnov.net>

beta0 and beta1 will always be the same

This is required by the new API.