libavformat-extra59 binary package in Ubuntu Kinetic riscv64

 FFmpeg is the leading multimedia framework, able to decode, encode, transcode,
 mux, demux, stream, filter and play pretty much anything that humans and
 machines have created. It supports the most obscure ancient formats up to the
 cutting edge.
 .
 This library provides a generic framework for multiplexing and demultiplexing
 (muxing and demuxing) audio, video and subtitle streams. It encompasses
 multiple muxers and demuxers for multimedia container formats. It also
 supports several input and output protocols to access a media resource.
 .
 This package replaces the libavformat58 package and contains the
 following additional (de)muxers:
 .
  * SMB protocol (using libsmbclient)
 .
 Because this package links against libraries that are licensed under
 Apache License 2.0 or GPL version 3, the resulting binaries are distributed
 under the GPL version 3 or later.

Source package