How to use different functions in Movie Player

1 play click "play" on the movie you would like to watch, as seen in the image below (marked in red) 2 buttons users can choose between play, pause, rewind, and fast forward by selecting the buttons (marked in red) 3 subtitle users can select different subtitles by clicking on the button, as seen in the image below (marked in red) 4 aspect ratio users can change the aspect ratio of the video, by clicking on the aspect ratio button, as seen in the image below (marked in red)