* 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"')

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

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

Signed-off-by: Pavel Koshevoy <pkoshevoy@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

* commit '48a5adab':
  lavfi: add avfilter_init_str() to replace avfilter_init_filter().

avfilter_graph_create_filter() opaque is still passed to avfilter_init_filter()
which continues to pass it to init_opaque as its still used in the buffer sinks
the sinks should be changed and the opaque passing removed
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '1565cbc6':
  lavfi: make avfilter_free() remove the filter from its graph.

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

* commit '11136726':
  lavfi: add AVFilterContext.graph.

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

* commit 'c2c9801b':
  lavfi: deprecate avfilter_graph_add_filter().
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'bc1a985b':
  lavfi: replace avfilter_open() with avfilter_graph_alloc_filter().

Conflicts:
	libavfilter/avfiltergraph.c
	libavfilter/internal.h
	libavfilter/version.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Based on vf_hue.c code.