3. On the first appearance of the video, the control bar will be by default visible. In this mode, the control bar will dissapear only if the user taps the video (and will re-appear when the user taps the video again).
4. When the user starts the video playout or finishes a seek operation, the control bar may dissappear either when the user taps the video or when a timeout expires.
5. When the user pauses the video, the control bar will dissapear only if the user taps the video (and will re-appear when the user taps the video again).