nMPEG Encode/Decode is highly
asymmetric
nMPEG encode was originally
imagined as an expensive/slow operation
nHowever we now need to
encode MPEG in realtime for many applications
nCamcorder, PVR, etc.
nMPEG actually encodes frames
in the near past while accessing frames in the near future
nExact frame latency based on
the MPEG Data Stream