Setting up HM from upstream

source: https://www.vcodex.com/hevc-and-vp9-codecs-try-them-yourself/

sudo apt-get install -y subversion svn checkout https://hevc.hhi.fraunhofer.de/svn/svn_HEVCSoftware/trunk/

Checked out revision 4995.

mv trunk HM cd HM/build/linux make -j8