6 copyright: Ushodaya Enterprises Limited
13 Apply one or more filters to a region of the video image. The region can be
14 shaped as well using the alpha channel of another producer.
16 - Circle is unpredictable in the absence of the librsvg pixbuf loader.
18 - identifier: argument
22 A file whose alpha channel will "shape" the region. The string "circle"
23 is a shortcut but it requires pixbuf with the librsvg loader. The circle
24 is automatically stretched to the region to create an ellipse.
25 - identifier: region.*
28 Properties may be set on the encapsulated region transition. See "region"
29 transition for details.