www.makemkv.com

FYI the ccextractor is now available on Debian Buster and later and Ubuntu focal and later (in the Universe repo).

Installing should be as easy as:
(make sure universe is enabled if on Ubuntu)

sudo apt update
sudo apt install ccextractor

Then go into preferences, enable expert, go to ...

Try this for Mint:

1) Uninstall 1.15.1

2) Run
sudo apt-get install build-essential pkg-config libc6-dev libssl-dev libexpat1-dev libavcodec-dev libgl1-mesa-dev qtbase5-dev zlib1g-dev

3) Run from makemkv-oss source package:
CFLAGS="-std=gnu++11" ./configure
make
sudo make install

4) Run from ...