Question: Suppose you want to implement fast-forward and reverse for MPEG streams. What problems do you run into if you limit your mechanism to displaying I

Suppose you want to implement fast-forward and reverse for MPEG streams. What problems do you run into if you limit your mechanism to displaying I frames only? If you do not, then to display a given frame in the fast-forward sequence, what is the largest number of frames in the original sequence you may have to decode?

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