ffmsindex 2.23-4build1 (s390x binary) in ubuntu focal

 A cross platform ffmpeg wrapper library, and some additional content for
 things ffmpeg doesn't handle well. A more friendly API and an easy way to
 say "open and decompress this, I don't care how".
 .
 This package contain a command line indexer tool. Used to create index
 files which can later be used by applications which are useing ffms2
 to speed up loading of multimedia files.