Lectures will start on Wed 10.10. The language is Finnish, but the material is in English. Lecture notes are available from here (requires authentication with paju account outside the university). Notice that you can add your own comments to this PDF-document.
H.264/AVC part of the lectures is based on this article and the HEVC part based on this article.
There are few copies of the course book in the library. You can also order it for example from Amazon book store. In addition, the authors of the book provide some extra material.