Install gmerlin-data by entering the following commands in the terminal:
sudo apt update sudo apt install gmerlin-data
Description:
multiformat media player - data files
Gmerlin is a multiformat media player with tree-like virtual directory structure, where you can save your files, webstreams or whatever. It handles even large media collections gracefully. Hardware devices appear also in the tree so you can open Audio-CDs, (S)VCDs, DVDs and DVB-broadcasts. . This package contains data files (theme,icons files) for gmerlin.
Homepage: http://gmerlin.sourceforge.net/
Version: 1.2.0~dfsg+1-6.1build1
Section: universe/sound