Conversions can be done with ffmpeg easily. Even if programs won't share the ffmpeg-nonfree, why not build one and put it in multiverse anyway? FFmpeg is a common utility for converting files via the command line or shell/python scripts. The programs that are built with ffmpeg can be built with the free one, while an option to install the nonfree version is still available for people that require the ffmpeg conversion functionality.
Conversions can be done with ffmpeg easily. Even if programs won't share the ffmpeg-nonfree, why not build one and put it in multiverse anyway? FFmpeg is a common utility for converting files via the command line or shell/python scripts. The programs that are built with ffmpeg can be built with the free one, while an option to install the nonfree version is still available for people that require the ffmpeg conversion functionality.