The date and time overlay in <OsdDatetime>.
optional
channelId: number
Zero-based channel.
optional
enable: number
1 to draw the date and time, 0 to hide it.
optional
topLeftX: number
Left edge of the overlay.
optional
topLeftY: number
Top edge of the overlay.
optional
width: number
Width of the overlay, 0 or more.
optional
height: number
Height of the overlay, 0 or more.
optional
language: "Chinese" | "English"
Overlay language.