Brew MP 1.0.2
This function is a shortcut for calling InsertAt with an offset of 0.
In order to properly sequence multiple transitions to create some special
effect, it is recommended that all required transitions be added to a
manager before it is started or inserted within another active transition
Several other functions are available to add transitions at special offsets.
int ITransitionMgr_Insert(ITransitionMgr* po, ITransition2* piTrans)
AEE_SUCCESS - The manager added the transition successfully.
ENOMEMORY - Not enough memory to create the tracking structure
AEE_EFAILED - The manager failed to query the transition