lavc: copy subtitle_header when copying context.

Fix trac ticket #2489.

lavf: data muxer and demuxer.

Allow to use tools designed to work with demuxers, muxers
and packets (for example ffmpeg itself) to process raw byte
streams (like aviocat).

Merge commit 'a1e05b0487a1939334c2920fc7f9936bc9efe876'

* commit 'a1e05b0487a1939334c2920fc7f9936bc9efe876':
  lavfi: add trim and atrim filters.

Conflicts:
Changelog
doc/filters.texi
libavfilter/Makefile
libavfilter/allfilters.c

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

Merge commit 'b472938233b98178ed6c1353c37e0dc7ab585902'

* commit 'b472938233b98178ed6c1353c37e0dc7ab585902':
  lavfi: add an asetpts filter

Conflicts:
Changelog
doc/filters.texi
libavfilter/Makefile
libavfilter/allfilters.c
libavfilter/f_setpts.c
libavfilter/setpts.c
libavfilter/version.h
libavfilter/vf_setpts.c

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

Merge commit '2548834b2248ad4d7da9bd0afed09d7d0cddeeb0'

* commit '2548834b2248ad4d7da9bd0afed09d7d0cddeeb0':
  vf_setpts: cosmetics, reformat

Conflicts:
libavfilter/f_setpts.c

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

Merge commit 'c22263d3e813d442df8fa5f5ba8993573fe775d8'

* commit 'c22263d3e813d442df8fa5f5ba8993573fe775d8':
  graphparser: only print filter arguments if they are non-NULL
  af_channelmap: ensure the output channel layout is valid.

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

Merge commit '949c603ed9210df0e1b8e1aa82c71b93543d8071'

* commit '949c603ed9210df0e1b8e1aa82c71b93543d8071':
  af_channelmap: remove now unnecessary goto
  vf_split: fix description

Conflicts:
libavfilter/split.c

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

Merge commit 'e036bb7899d0faca9159206be9bf5552e76e7633'

* commit 'e036bb7899d0faca9159206be9bf5552e76e7633':
  lavc: clear AVBuffers on decoded frames if refcounted_frames is not set
  FATE: add an additional indeo3 test

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

Merge commit 'bda9e6d923df6d46cc5cafb30a59a01d2514fa61'

* commit 'bda9e6d923df6d46cc5cafb30a59a01d2514fa61':
  indeo3: use put_pixels instead of put_no_rnd_pixels in copy_cell()

Conflicts:
libavcodec/indeo3.c

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

Merge commit '95220be1faac628d849a004644c0d102df0aa98b'

* commit '95220be1faac628d849a004644c0d102df0aa98b':
  indeo3: fix off by one in MV validity check

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

doc/filters: fix scale example equivalence.

scale=w=200:h=100 and scale=w=200:h=100 are of course equivalent...

doc/filters: replace hqdn3d with smartblur in timeline section.

hqdn3d needs some adjustements before timeline support can be restored
(patch welcome).

h264: Use the correct croping values.

This fixes returning pictures with corrupted data pointers.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

h264: assert that croping values at slice level are consistent

These values where checked before already.

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

h264_ps: check croping values

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

avutil/log: Fix context pointer used for get_category()

Fixes calling a random pointer

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

gif: Fix little endian specific code

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

framecrcenc: workaround design flaw in sidedata palette

This should be reverted once palettes are dealt with in a endian independant way
in packets

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

fate: add test for separatefields filter

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

fate: add test for swapuv filter

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

fate: add test for telecine filter

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

lavfi: add trim and atrim filters.

lavfi: add an asetpts filter

vf_setpts: cosmetics, reformat

graphparser: only print filter arguments if they are non-NULL

af_channelmap: ensure the output channel layout is valid.

af_channelmap: remove now unnecessary goto

Options are freed from the generic code now, there is no need to call
av_opt_free() from the filter.

vf_split: fix description

It now allows an arbitrary number of inputs, not just two.

lavc: clear AVBuffers on decoded frames if refcounted_frames is not set

Otherwise some code might mistakenly think it is allowed to unref those
buffers, which would lead to double unref.

lavfi/stereo3d: add support for alternating frames input & output format

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

indeo3: use put_pixels instead of put_no_rnd_pixels in copy_cell()

They are the same in this case, except put_pixels also has blocksizes
smaller than 8.

indeo3: fix off by one in MV validity check

CC:libav-stable@libav.org

FATE: add an additional indeo3 test

It is a part of the sample that got broken by recent indeo3 changes.

Merge remote-tracking branch 'qatar/master'

* qatar/master:
  x86: dsputil: Remove a set of pointless #ifs around function declarations

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

Merge commit '85f2f82af66fade2f5af2a03c5011d7de1b6e295'

* commit '85f2f82af66fade2f5af2a03c5011d7de1b6e295':
  x86: dsputil: cosmetics: Group ff_{avg|put}_pixels16_mmxext() declarations

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

fate: remove forgotten transpose filter results from old system.

fate: port remaining filters to new system.

Merge of b963f021b603509b5159873de4919dec441d0782 is now complete.

fate: move kerndeint test to the new system.

fate: port our pixfmts change to fate-run.sh.

This patch is the same as 52b23cbf1c8f276136556c9e2252184b763ae1ec.

fate: add a rule for pixfmts tests.

x86: dsputil: Remove a set of pointless #ifs around function declarations

x86: dsputil: cosmetics: Group ff_{avg|put}_pixels16_mmxext() declarations

fate: fix filtfmts-test dependency after 9a5924f.

lavfi: add two opencl headers to SKIPHEADERS.

Fix make checkheaders.

fate: add bitexact flags to alphaextract/alphamerge tests.

Should fix a FATE failure.

fate: add filters dependencies to pixfmts tests.

fate: move a few simple pixfmts tests to the new system.

Merge remote-tracking branch 'qatar/master'

* qatar/master:
  x86: hpeldsp: Remove unused macro definitions

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

fate: move lavd filters tests to the new system.

Also make life test a bit more useful.

fate: remove '#' in filter parameters.

It was considered a comment.

lavfi/showwaves: fix crash in case of negative linesize

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

lavfi/showspectrum: fix crash in case of negative linesize

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

fate: move alphaextract and alphamerge tests to the new system.

The standalone alphaextract tests are removed since already the filters
are already tested by the alphamerge tests.

Merge remote-tracking branch 'cehoyos/master'

* cehoyos/master:
  Recognize j2k as file suffix for the image2 muxer.

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

fate: move colormatrix tests to the new system.

fate: restore our settings for drawtext/fade/unsharp.

fate: move more tests from lavfi-regression.sh to filter-video.mak.

x86: hpeldsp: Remove unused macro definitions

Recognize j2k as file suffix for the image2 muxer.

avfilter/vf_tinterlace: fix handling of not so even sizes

Fixes green bottom line

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

copy_packet_data: fix memleak

This should fix gif fate memleaks

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

lavu/opencl: add check version and platform

Reviewed-by: Hanspeter Niederstrasser <niederstrasser@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

sws: fix typo in xyz2rgb matrix use.

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

fate: re-enable jpeg2000 test with rgb48le

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

sws: Check for malloc failure of rgb0_tmp

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

sws: support xyz input

The implementation is heavily based on Matthias Buerchers and Nicolas Bertrands vf_xyz2rgb.c
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

sws: remove hack to support partial convert / xyz bswaping

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

fate: temporary disable jpeg2000 test to avoid fate breakage from next commits

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

fate: fix jpeg2000 on big endian

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

sws: enable xyz12, this for now is just for swaping between le and be

Needed for fixing fate

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

sws: add 16bit gbrp formats to packed_16bpc_bswap()

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

sws: extend packed_16bpc_bswap code to handle planar formats

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

Merge remote-tracking branch 'qatar/master'

* qatar/master:
  aac: check the maximum number of channels

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

Merge commit '1b6f84a98665a15130e969fd6b460a05d50090c1'

* commit '1b6f84a98665a15130e969fd6b460a05d50090c1':
  h264_refs: Do not print check_opcodes() return value

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

Merge commit 'b963f021b603509b5159873de4919dec441d0782'

* commit 'b963f021b603509b5159873de4919dec441d0782':
  fate: Invoke pixfmts lavfi tests through fate-run.sh

Conflicts:
tests/fate/avfilter.mak
tests/lavfi-regression.sh

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

lavfi/mp: remove mp=tinterlace wrapper

From various tests, there is no evidence that the filter is faster than
the native tinterlace, and it has several more limitations and a few
bugs.

See thread:
Subject: [FFmpeg-devel] [NOPATCH] lavfi/mp: drop tinterlace wrapper
Date: Wed, 5 Sep 2012 00:26:01 +0200

lavfi/transpose: apply grammar consistency fixes to transpose dir option

doc/filters: apply various general fixes to vidstabdetect docs

Adopt generally used conventions, extend and clarify explanations.

Merge commit '28663511c99b3cdaf9387a15032259879474f5f4'

* commit '28663511c99b3cdaf9387a15032259879474f5f4':
  fate: Invoke pixdesc lavfi tests through fate-run.sh

Conflicts:
tests/fate/avfilter.mak
tests/lavfi-regression.sh
tests/ref/fate/filter-pixdesc

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

Merge commit '03b052c023e1f58d879cb7eeb6421ed39262d39d'

* commit '03b052c023e1f58d879cb7eeb6421ed39262d39d':
  fate: Invoke standard lavfi tests through fate-run.sh

Conflicts:
tests/fate/avfilter.mak
tests/lavfi-regression.sh

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

Merge commit 'c14010541035454b4d3ad08399d70423be4e0c87'

* commit 'c14010541035454b4d3ad08399d70423be4e0c87':
  oma: K&R formatting cosmetics

Conflicts:
libavformat/omadec.c

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

Merge commit '26a44143efb513a602542fb59aee87b1fc62af51'

* commit '26a44143efb513a602542fb59aee87b1fc62af51':
  avplay: remove a warning

Conflicts:
ffplay.c

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

Merge commit 'cf679b9476727a237c8006c685ace18acba149ab'

* commit 'cf679b9476727a237c8006c685ace18acba149ab':
  hls, segment: fix splitting for audio-only streams.

Conflicts:
libavformat/hlsenc.c
libavformat/segment.c

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

avformat: Add black ops audio demuxer

Fixes Ticket2064

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

aac: check the maximum number of channels

Broken bitstreams could report a larger than specified number of
channels and cause outbound writes.

CC:libav-stable@libav.org

ffv1enc: favor version 3 over 2 unless -strict -2 is set

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

lavu/mem: remove redundant comment from av_dynarray_add()

The function is documented in mem.h.

doc/filters: update/extend transpose filter documentation

In particular, deprecate numerical values for the dir option.

lavfi/transpose: reindent constants

lavfi/transpose: restore validity of values in range 4-7

They were lost in commit a4e0defa75b6f766aa31d80c55688d036b5fd87b.

h264_refs: Do not print check_opcodes() return value

The return value provides no useful information and removing the printing
avoids the following warning:
libavcodec/h264_refs.c:788:15: warning: 'i' may be used uninitialized in this function [-Wuninitialized]

doc/filters: readjust w/h option descriptions

doc/filters: fix grammar for removelogo filter doc sentence

fate: Invoke pixfmts lavfi tests through fate-run.sh

fate: Invoke pixdesc lavfi tests through fate-run.sh

fate: Invoke standard lavfi tests through fate-run.sh

ffv1dec: remove redundant error message.

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

ffv1dec: add code to support frame threading with gop=1 ffv1

CODEC_CAP_FRAME_THREADS is not added yet because that would
unconditionally enable it, breaking gop>1 files.

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

ffv1: Store a flag in the global header that indicates if all frames are keyframes

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

astats filter

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