Brew MP 1.0.2
This function retrieves the distance of the specified cached linear movement
determined by the observer.
[in] Pointer to the IObserver interface object.
[in] Index of the linear movement, starting from the last as 0th index.
[out] The distance of the linear movement in pixels.
int IObserver_GetLMCacheDist(IObserver *pif, int nIdx, int *pnDist);
AEE_SUCCESS - If the distance was retrieved.
AEE_EFAILED - If the distance was not retrieved.