IPPPPPPPPPPPIPP..., i.e. one I-slice followed by 11 P-slices, with one reference frame
IBBPBBPBBPBBIBBP..., i.e. 12-frame GOP with one I-slice, three P-slices and eight B-slices in each GOP.
IBBBBBBBBBBBIBB.., 12-frame GOP, hierarchical prediction.
Earlier, we talked about the structure of MPEG video. Here we ask the question, what happens when the frame that you want is a B or P frame? What do you do? How do you respond to the inevitable questions:
- Is this an accurate depiction of the scene?
- Is this an original image?