Install libqtav1 by entering the following commands in the terminal:
sudo apt update sudo apt install libqtav1
Description:
QtAV library
QtAV is a multimedia playback library based on Qt and FFmpeg. It can help you to write a player with less effort than ever before. . This package contains the QtAV library.
Homepage: http://qtav.org
Version: 1.12.0+ds-4build3
Section: universe/video