Adapted from commit 759001c5
by Anton Khirnov.

Also, fix the use of || instead of | in a flags check.

* commit '7e350379':
  lavfi: switch to AVFrame.

Conflicts:
	doc/filters.texi
	libavfilter/af_ashowinfo.c
	libavfilter/audio.c
	libavfilter/avfilter.c
	libavfilter/avfilter.h
	libavfilter/buffersink.c
	libavfilter/buffersrc.c
	libavfilter/buffersrc.h
	libavfilter/f_select.c
	libavfilter/f_setpts.c
	libavfilter/fifo.c
	libavfilter/split.c
	libavfilter/src_movie.c
	libavfilter/version.h
	libavfilter/vf_aspect.c
	libavfilter/vf_bbox.c
	libavfilter/vf_blackframe.c
	libavfilter/vf_delogo.c
	libavfilter/vf_drawbox.c
	libavfilter/vf_drawtext.c
	libavfilter/vf_fade.c
	libavfilter/vf_fieldorder.c
	libavfilter/vf_fps.c
	libavfilter/vf_frei0r.c
	libavfilter/vf_gradfun.c
	libavfilter/vf_hqdn3d.c
	libavfilter/vf_lut.c
	libavfilter/vf_overlay.c
	libavfilter/vf_pad.c
	libavfilter/vf_scale.c
	libavfilter/vf_showinfo.c
	libavfilter/vf_transpose.c
	libavfilter/vf_vflip.c
	libavfilter/vf_yadif.c
	libavfilter/video.c
	libavfilter/vsrc_testsrc.c
	libavfilter/yadif.h

Following are notes about the merge authorship and various technical details.

Michael Niedermayer:
  * Main merge operation, notably avfilter.c and video.c
  * Switch to AVFrame:
    - afade
    - anullsrc
    - apad
    - aresample
    - blackframe
    - deshake
    - idet
    - il
    - mandelbrot
    - mptestsrc
    - noise
    - setfield
    - smartblur
    - tinterlace
  * various merge changes and fixes in:
    - ashowinfo
    - blackdetect
    - field
    - fps
    - select
    - testsrc
    - yadif

Nicolas George:
  * Switch to AVFrame:
    - make rawdec work with refcounted frames. Adapted from commit
      759001c5 by Anton Khirnov.
      Also, fix the use of || instead of | in a flags check.
    - make buffer sink and src, audio and video work all together

Clément Bœsch:
  * Switch to AVFrame:
    - aevalsrc
    - alphaextract
    - blend
    - cellauto
    - colormatrix
    - concat
    - earwax
    - ebur128
    - edgedetect
    - geq
    - histeq
    - histogram
    - hue
    - kerndeint
    - life
    - movie
    - mp (with the help of Michael)
    - overlay
    - pad
    - pan
    - pp
    - pp
    - removelogo
    - sendcmd
    - showspectrum
    - showwaves
    - silencedetect
    - stereo3d
    - subtitles
    - super2xsai
    - swapuv
    - thumbnail
    - tile

Hendrik Leppkes:
  * Switch to AVFrame:
    - aconvert
    - amerge
    - asetnsamples
    - atempo
    - biquads

Matthieu Bouron:
  * Switch to AVFrame
    - alphamerge
    - decimate
    - volumedetect

Stefano Sabatini:
  * Switch to AVFrame:
    - astreamsync
    - flite
    - framestep
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Nicolas George <nicolas.george@normalesup.org>
Signed-off-by: Clément Bœsch <ubitux@gmail.com>
Signed-off-by: Hendrik Leppkes <h.leppkes@gmail.com>
Signed-off-by: Matthieu Bouron <matthieu.bouron@gmail.com>
Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
Merged-by: Michael Niedermayer <michaelni@gmx.at>

In 81f2549e, output pixel format was changed from rgb24 to planar yuv,
but the initialization was left unchanged. As a result, the chroma
planes were left uninitalized. This was not noticed since the current
ff_get_video_buffer() seems to be initializing the buffer. This won't be
the case anymore after the Evil Plan.

This way, they can be shared between mpeg4qpel and h264qpel without
requiring either one to be compiled unconditionally.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Put a copy of the 8bit functions only in dsputil, where they are used
for some other things (e.g. mpeg4qpel, mspel, cavsqpel). We could perhaps
also try to share specifically the 8bit functions from h264qpel between
it and the others, but that will be slightly more complicated. H264qpel
already had these functions, so we can simply remove the duplicates.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

struct buff_data contains a pointer to struct video_data, so passing the
file descriptor again is redundant.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

In particular:

1) save errno before it (possibly) gets overwritten by other calls
2) do not forget to enqueue the buffer again in case of error
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>

This makes them pass standalone compilation tests. Previously,
they included atomic.h which included themselves again, leading to
double definitions.
Signed-off-by: Martin Storsjö <martin@martin.st>

This prevents trying to do some subtitles conversion for each event when
the character encoding is not found. It now aborts early instead of
flooding stderr.

* commit '77b2cd7b':
  AVFrame: add side data.

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

* commit '7ecc2d40':
  Move AVFrame from lavc to lavu.

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

* commit 'ad0c9f2d':
  lavc: move AVFrame.hwaccel_picture_private to Picture.

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

* commit '1a5e9130':
  pthread: avoid copying input packets when possible.
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '1afddbe5':
  avpacket: use AVBuffer to allow refcounting the packets.

Conflicts:
	libavcodec/avpacket.c
	libavcodec/utils.c
	libavdevice/v4l2.c
	libavformat/avidec.c
	libavformat/flacdec.c
	libavformat/id3v2.c
	libavformat/matroskaenc.c
	libavformat/mux.c
	libavformat/utils.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '1cec0624':
  AVBuffer: add a new API for buffer pools
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '8e401dbe':
  lavu: add a new API for reference-counted data buffers.

Conflicts:
	libavutil/Makefile
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '65f1d45d':
  lavu: add support for atomic operations.

Conflicts:
	configure
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'eae0879d':
  mp3dec: Fix VBR bit rate parsing
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '4be368b5':
  avstring: Fix isxdigit to not accept non-hex characters
  configure: Add missing videodsp dependencies to some decoders
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'dbd2a34b':
  build: cosmetics: Group hw accelerator Makefile entries together

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

* commit 'bcd0a713':
  configure: Add missing h264chroma dependencies to vp5, vp6
  Add missing error_resilience includes to files that use ER

Conflicts:
	configure
	libavcodec/mpeg12.c
	libavcodec/mpeg4videodec.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'd88738e4':
  mpegvideo: Conditionally build error_resilience bits
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '06b54e84':
  build: Fix error_resilience code dependencies

Conflicts:
	configure
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'efa7f420':
  Use the avstring.h locale-independent character type functions
  avstring: Add locale independent versions of some ctype.h functions

Conflicts:
	avprobe.c
	doc/APIchanges
	libavcodec/dvdsubdec.c
	libavcodec/utils.c
	libavutil/avstring.c
	libavutil/avstring.h
	libavutil/eval.c
	libavutil/parseutils.c
	libavutil/version.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>

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

This reverts commit 60dbf2ef.

This is not needed anymore, Ticket 1694 has been fixed differently

This prevents various values from becoming stuck at NAN and
output to become silent
If someone knows a cleaner solution, thats welcome!

Fixes Ticket2335
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Deprecate AVFilterBuffer/AVFilterBufferRef and everything related to it
and use AVFrame instead.

Add AVBuffer-based reference counting API to it.

This field is private and should not be present in a public struct. It
is only used in DXVA with mpegvideo-based decoders currently.

This will allow us to avoid copying the packets in many cases.

This breaks ABI.