Timeline objects

GESTimelineFileSource — An object for manipulating media files in a GESTimeline
GESTimelineTitleSource — Render stand-alone titles in GESTimelineLayer.
GESTimelineTestSource — Render video and audio test patterns in a GESTimelineLayer
GESTimelineTextOverlay — Render text onto another stream in a GESTimelineLayer
GESTimelineStandardTransition — Transition from one clip to another in a GESTimelineLayer