libffms2-dev 2.40+git20211209-2build2 (riscv64 binary) in ubuntu mantic

 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 headers and other files needed to compile and link
 against libffms2.