Copyright 2004 Ken Greenebaum
B Versus P
nFrom the previous example:
nConsider when a coffee mug is picked up (after a long while)
nThe information for what is behind the mug isn’t in the previous frames
nBut is available in the future frames
n
nP frames are used to limit how far a B frame needs to ‘look’ for its base
n
nHow can the encoder predict the future?