av1 encoding quality 5

https://wiki-byte.win/index.php/The_Art_of_the_Cinematic_Gaming_Experience:_Lessons_from_The_Last_of_Us_Part_II_Remastered

AV1 encoding is a modern video compression method that achieves high quality at low bitrates, but it can be pretty slow on current hardware, especially for real-time use; test a few encoding presets to balance file size and visual fidelity for your content.