Watermark Alignment Mode

Adjusts the alignment of the watermark image within the video when the mark parameter is specified.

Valid values are top, middle, bottom, left, center, and right. Multiple values can be used by separating them with a comma.

If no value is explicitly set, the default behavior is bottom,right.

• top: Align to the top of the video.
• middle: Align to the vertical middle of the video.
• bottom: Align to the bottom of the video.
• left: Align to the left side of the video.
• center: Align to the horizontal center of the video.
• right: Align to the right side of the video.