void mltMoveTransparency(int startTime, int endTime, int startTrack, int endTrack, int id);
void mltDeleteTransparency(int pos, int track, int id);
void mltResizeTransparency(int oldStart, int newStart, int newEnd, int track, int id);
+ int mltChangeClipSpeed(ItemInfo info, double speed, Mlt::Producer *prod);
private: // Private attributes & methods
/** The name of this renderer - useful to identify the renderes by what they do - e.g. background rendering, workspace monitor, etc... */