Opera libffmpeg.so
# Ubuntu/Debian or based
# Install package chromium-codecs-ffmpeg
sudo apt install -y chromium-codecs-ffmpeg
## Make a link
sudo ln -sf /snap/chromium-ffmpeg/current/chromium-ffmpeg-103551/chromium-ffmpeg/libffmpeg.so /usr/lib/x86_64-linux-gnu/opera/
Tiago F2