Also, I don't know if this is already implemented in some codec, but it would be interesting to re-use key frames from previous shots. For instance when you hav

Also, I don't know if this is already implemented in some codec, but it would be interesting to re-use key frames from previous shots. For instance when you have a dialog and the camera switches from one person to another, a conventional codec probably creates a new i-frame for each shot whereas an intelligent codec would recognize that this is the continuation of the previous shot.