Prepare Tasks

Prepare tasks are special, decorated methods within user-defined sequence classes. They allow to prepare and compute data once per frame. Similar to layer task methods, they are evaluated in a certain order, the prepoder. A pool of prepoder-values is managed by bewegung.Video.prepoder once per video. Prepare tasks can request parameters on demand.

The Video.prepare Decorator

This method is used to decorate prepare task methods within user-defined sequence classes. See bewegung.Video.prepare() method for further details.