case ${THIS_SUB_DEPENDS} in
"LEGACY")       [[ "$(installed_version ffmpeg | cut -d. -f-2)" == "0.7" ]] && return 0 ;;
"STABLE")       [[ "$(installed_version ffmpeg | cut -d. -f-2)" != "0.7" ]] && return 0 ;;
esac
return 1
