Related to your query, I suggest you follow https://www.researchgate.net/post/How-to-play-videos-using-Psychtoolbox

http://cda.psych.uiuc.edu/matlab_class/Psychtoolbox%20-%20Tutorial.htm

video = 'Name.path';

videoReader = VideoReader(video);

myVideo.FrameRate = 70;

myVideo.Quality = 75;