* qatar/master: (28 commits)
  dfa: use more meaningful return codes
  eatgv: check vector_bits
  eatgv: check motion vectors
  Mark a number of variables only used in av_dlog() calls as av_unused.
  dvdec: drop const qualifier from variable to eliminate a warning
  avcodec: Improve comment for thread_safe_callbacks to avoid misinterpretation.
  tests/utils: don't ignore the return value of fwrite()
  lavfi/formats: use sizeof(var) instead of sizeof(type).
  lavfi: remove avfilter_default_config_input_link() declaration
  lavfi: always enable the scale filter and depend on sws.
  vf_split: support user-specifiable number of outputs.
  avconv: remove stray useless comment.
  mpegmux: add stuffing to avoid incomplete PCM frames
  rtsp: avoid const warnings from strtol() call
  avserver: check return value of ftruncate()
  lagarith: make offset array type unsigned
  dfa: add some checks to ensure that decoder won't write past frame end
  aacps: NEON optimisations
  aacps: align some arrays
  aacps: move some loops to function pointers
  ...

Conflicts:
	configure
	doc/filters.texi
	libavcodec/dfa.c
	libavcodec/eatgv.c
	libavfilter/Makefile
	libavfilter/allfilters.c
	libavfilter/avfilter.h
	libavfilter/formats.c
	libavfilter/vf_split.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

more than 10% faster (tested on sandybridge)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>

This way it will be handled by the planar==planar SIMD
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

This fixes a number of unused-but-set gcc warnings.

libavcodec/dvdec.c:344:12: warning: assignment discards ‘const’ qualifier from pointer target type

Signed-off-by: Diego Biurrun <diego@biurrun.de>

Signed-off-by: Diego Biurrun <diego@biurrun.de>

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

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

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

Istvan Sebok provided a sample where field pair -> two fields content
was being misdetected by the existing logic. I added an additional
test to check the input picture type as identified by our h.264
parser.
Signed-off-by: Philip Langdale <philipl@overt.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

The function is not implemented (and possibly useless).

The scale filter is used for internal colorspace conversions, so it must
always be present.

Implement av_buffersrc_get_nb_failed_requests.
Deprecate av_vsrc_buffer_get_nb_failed_requests.

It is no longer used anywhere.

Furthermore, the header it was declared in was not installed,
so it can not be considered part of the public API.

av_buffersrc_add_ref can handle audio too now.

Fixes https://bugzilla.libav.org/show_bug.cgi?id=244

The strtol() interface makes it difficult to use with
const-qualified pointers.  With this change, although
the const is still lost, the compiler does not warn
about it.
Signed-off-by: Mans Rullgard <mans@mansr.com>

Signed-off-by: Mans Rullgard <mans@mansr.com>

This is logical and also fixes checking for the fourth plane offset.

Signed-off-by: Mans Rullgard <mans@mansr.com>

This is required for SIMD optimisations.
Signed-off-by: Mans Rullgard <mans@mansr.com>

Signed-off-by: Mans Rullgard <mans@mansr.com>

Signed-off-by: Martin Storsjö <martin@martin.st>