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

* qatar/master:
  FATE: add a test for the interlace filter
  lavfi: new interlace filter

Conflicts:
	Changelog
	configure
	doc/filters.texi
	libavfilter/Makefile
	libavfilter/allfilters.c
	tests/fate/filter.mak
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '92104600':
  cmdutils: allow -h filter=<name> to print information about a filter.

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

* commit 'e19e8aee':
  avtools: move media_type_string() from avprobe to cmdutils.

Conflicts:
	avprobe.c
Merged-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>

* commit 'dc574658':
  avconv: print filter options in -h full output.

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

* commit 'bee2d75b':
  avconv: update to the new options syntax.

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

* commit 'f160c6a1':
  lavfi: do not segfault on NULL passed to avfilter_get_by_name()
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'fa2a34cd':
  lavfi: change the filter registering system to match the other libraries

Conflicts:
	cmdutils.c
	ffplay.c
	libavfilter/avfilter.c
	libavfilter/avfilter.h

This removes the ability to put AVFilters in read only memory and having
them shareable.
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '7e8fe4be':
  lavfi: add a function for counting elements in AVFilterPad arrays.
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '7cdd737b':
  lavfi: mark filters with dynamic number of inputs or outputs with special flags
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '1ba95a9c':
  lavfi: add avfilter_init_dict() for initializing a filter with a dict.

Conflicts:
	libavfilter/avfilter.c
Merged-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: Michael Niedermayer <michaelni@gmx.at>

Our option handling code does not need this hack.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Also remove unused buffersink_params.
Signed-off-by: Nicolas George <nicolas.george@normalesup.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Move validation from init to query_formats().
Accept the formats lists as binary options.
Signed-off-by: Nicolas George <nicolas.george@normalesup.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Add av_int_list_length() to compute a list length.
Add av_opt_set_int_list() to set a binary option.
Signed-off-by: Nicolas George <nicolas.george@normalesup.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

This is mostly automated global search and replace

The deprecated aconvert filter is disabled, if it still has users
it should be updated
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Conflicts:

	libavfilter/avfilter.c
	libavfilter/vf_drawtext.c
	libavfilter/vf_lut.c
	libavfilter/vf_select.c
	libavfilter/vf_setpts.c
	libavfilter/vsrc_color.c
	libavfilter/vsrc_movie.c
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: Michael Niedermayer <michaelni@gmx.at>

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

TODO: The first argument can be seperated into its own AVOption
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

pan=stereo: FL < FL + 0.5*FC + 0.6*BL + 0.6*SL : FR < FR + 0.5*FC +
0.6*BR + 0.6*SR

didn't actually work ('Expected out channel name, got " FL < FL"')