vf_yadif: switch to an AVOptions-based system.
af_amix: switch to an AVOptions-based system.
af_asyncts: switch to an AVOptions-based system.
af_channelmap: switch to an AVOptions-based system.
af_channelsplit: switch to an AVOptions-based system.
Merge commit '7536c671040f1f3ebc9f0d3b7831dac71436b775'

* commit '7536c671040f1f3ebc9f0d3b7831dac71436b775':
  vf_yadif: switch to an AVOptions-based system.

Conflicts:
	doc/filters.texi
	libavfilter/vf_yadif.c
	libavfilter/yadif.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
lavfi/blend: switch to AVOption-based system
lavfi/afade: switch to AVOption-base system
lavfi/apad: switch to AVOption-based system
Merge commit 'ac20e3ab8ed497549ee2a62754f01eee5e7a5066'

* commit 'ac20e3ab8ed497549ee2a62754f01eee5e7a5066':
  af_amix: switch to an AVOptions-based system.

Conflicts:
	libavfilter/af_amix.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
lavfi/aphaser: switch to AVOption-based system
Merge commit 'b2b25b0659fa047da6266d2ce165d43011136b30'

* commit 'b2b25b0659fa047da6266d2ce165d43011136b30':
  af_asyncts: switch to an AVOptions-based system.

Conflicts:
	libavfilter/af_asyncts.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge remote-tracking branch 'mbouron/shorthand-cleanup'

* mbouron/shorthand-cleanup:
  lavfi/aphaser: switch to AVOption-based system
  lavfi/apad: switch to AVOption-based system
  lavfi/afade: switch to AVOption-base system
  lavfi/blend: switch to AVOption-based system

Conflicts:
	libavfilter/avfilter.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit 'ba8efac977f4276f05274947b2b67d144cbc965a'

* commit 'ba8efac977f4276f05274947b2b67d144cbc965a':
  af_channelmap: switch to an AVOptions-based system.

Conflicts:
	doc/filters.texi
	libavfilter/af_channelmap.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit '3f14febbdf7c93bbd186399da27991180e5916b6'

* commit '3f14febbdf7c93bbd186399da27991180e5916b6':
  af_channelsplit: switch to an AVOptions-based system.

Conflicts:
	libavfilter/af_channelsplit.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
lavfi/framestep: switch to an AVOptions-based system

Signed-off-by: Paul B Mahol <onemda@gmail.com>
lavfi/framestep: remove request_frame hack

Signed-off-by: Paul B Mahol <onemda@gmail.com>
Merge remote-tracking branch 'richardpl/framestep'

* richardpl/framestep:
  lavfi/framestep: remove request_frame hack
  lavfi/framestep: switch to an AVOptions-based system

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