If you want to run the Vidispine transcoder as a standalone transcoder, you can easily install only the transcoder using the official Vidispine repository. 

  

wget -q -O - http://repo.vidispine.com/apt/pub.gpg | sudo apt-key add -
echo "deb [arch=amd64] http://repo.vidispine.com/apt trusty/stable 4.6" > /etc/apt/sources.list.d/vidispine.list
sudo apt-get update
sudo apt-get install transcoder

You can find more on the repository here http://repo.vidispine.com.