* commit '57231e4d':
  tak: demuxer, parser, and decoder

Not merged as requested by Author and Maintainer of tak in FFmpeg.
I just merged a few typo fixes and minor cosmetic improvments.

Conflicts:
	Changelog
	libavcodec/Makefile
	libavcodec/allcodecs.c
	libavcodec/avcodec.h
	libavcodec/tak.c
	libavcodec/tak.h
	libavcodec/tak_parser.c
	libavcodec/takdec.c
	libavcodec/version.h
	libavformat/takdec.c
	libavformat/version.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Justin's version has more features but is otherwise equivalent from the
point of view of the syntax.

Spotted by ubitux.

* commit '096abfa1':
  parser: fix large overreads
  bitstream: add get_bits64() to support reading more than 32 bits at once
  arm: detect cpu features at runtime on Linux

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

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

Renaming because of name conflict
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'b3267559':
  arm: rename ARMVFP config symbol to VFP
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '637606de':
  configure: arm: make _inline arch ext symbols depend on inline_asm
  arm: use HAVE*_INLINE/EXTERNAL macros for conditional compilation

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

* commit '7f2b3dca':
  configure: arm: check inline and external asm support for extensions
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'c6ebc9fa':
  configure: add check_insn function
  configure: clean up check_inline_asm and check_as functions
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'f0fe245b':
  configure: arm: set fast_clz and fast_unaligned in cpuflags section
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '1234c66a':
  configure: arm: detect toolchain default arch version
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '9ebd45c2':
  configure: do not bypass cpuflags section if --cpu not given
  dct-test: arm: indicate required cpu features for optimised funcs
  snow: fix build after 594d4d5d
  arm: fix use of uninitialised value in ff_fft_fixed_init_arm()
  avpicture: Don't assume a valid pix fmt in avpicture_get_size

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

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

Triggered by the sample for trac ticket #1726.

While here remove ff_lzw_cur_ptr() as it become obsolete.
Signed-off-by: Paul B Mahol <onemda@gmail.com>

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

The formating can and should be improved.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Reviewed-by: Stefano Sabatini <stefasab@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

Signed-off-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>

Also remove a duplicate function in the MPEG-TS demuxer.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>

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

Improve consistency/readability.

Avoid one dereference, simplify.

Fix crash, for example in the command:
ffmpeg -f image2 -vcodec pgmyuv -i tests/vsynth1/%02d.pgm \
  -vf "[in]format=yuv420p,split,alphamerge,split[o3][o4];
       [o4]vflip,alphaextract[alpha];[o3][alpha]alphamerge[out]" \
  -vcodec rawvideo -f nut md5:

The code causes uninitialized data copy, and may be actually slower than
a loop over each line in case the padding is big.

Such packets are useless.
Signed-off-by: Paul B Mahol <onemda@gmail.com>

This is consistent with usual ARM nomenclature as well as with the
VFPV3 and NEON symbols which both lack the ARM prefix.
Signed-off-by: Mans Rullgard <mans@mansr.com>

This allows compiling optimised functions for features not enabled
in the core build and selecting these at runtime if the system has
the necessary support.
Signed-off-by: Mans Rullgard <mans@mansr.com>

This makes --disable-inline-asm work as expected.
Signed-off-by: Mans Rullgard <mans@mansr.com>