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GESUriClip — An object for manipulating media files in a GESTimeline
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GESTitleClip — Render stand-alone titles in  GESLayer.
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GESTestClip — Render video and audio test patterns in a GESLayer
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GESTextOverlayClip — Render text onto another stream in a GESLayer
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GESTransitionClip — Transition from one clip to another in a GESLayer
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GESEffectClip — An effect created by parse-launch style bin descriptions
in a GESLayer
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GESGroup — Class that permits to group GESClip-s in a timeline,
letting the user manage it a single GESTimelineElement