See this example properly formatted in the QUT Cite tool.
Standard in-text citation examples are in Getting started - In-text citation.
Author. Year. "Title." Type of media, Month Day, Year. http://www.xxxxxx.
Stobbs, Nigel. 2016. "LLB244 Criminal Law sentencing: The Plea in Mitigation." Lecture Recording, December 19, 2016. https://lecturecapture.qut.edu.au/ess/echo/presentation/e348be22-3323-4552-bdea-0266e660e414.
For publication details, have a look at the first slide screened for the title, and the top left of the screen for the date.
For notes about a lecture see Learning material.