description: Apply zero or more filters to B frame as it is composited onto a region of the A frame. The "shape" of the region can be defined by the alpha channel of a third producer.
creator: Charles Yates
title: Shape producer
description: The default shape is a rectangle, "circle" is a pixbuf-generated SVG circle, anything else is loaded by the factory.
description: The service that creates the shape producer.
description: One or more filters to apply. All filter properties are passed using the same filter "key".
description: Properties may be set on the encapsulated composite transition.
See "composite" transition for details.
title: Use region for filtering only