Binary package “r-cran-av” in ubuntu lunar

working with Audio and Video in GNU R

 Bindings to 'FFmpeg' <http://www.ffmpeg.org/> AV library for working
 with audio and video in R. Generates high quality video from images or R
 graphics with custom audio. Also offers high performance tools for
 reading raw audio, creating 'spectrograms', and converting between
 countless audio / video formats. This package interfaces directly to the
 C API and does not require any command line utilities.