Provided by: ffmpeg-doc_6.1.1-3ubuntu5_all 

NAME
libavfilter - multimedia filtering library
DESCRIPTION
The libavfilter library provides a generic audio/video filtering framework containing several filters,
sources and sinks.
SEE ALSO
ffmpeg(1), ffplay(1), ffprobe(1), ffmpeg-filters(1), libavutil(3), libswscale(3), libswresample(3),
libavcodec(3), libavformat(3), libavdevice(3)
AUTHORS
The FFmpeg developers.
For details about the authorship, see the Git history of the project (https://git.ffmpeg.org/ffmpeg),
e.g. by typing the command git log in the FFmpeg source directory, or browsing the online repository at
<https://git.ffmpeg.org/ffmpeg>.
Maintainers for the specific components are listed in the file MAINTAINERS in the source code tree.
doc::libavfilter(3)