Patent ID: 8923688

Claim:
A method for decoding pictures, said method comprising: selecting a group of pictures in a rewind order, the group of pictures comprising a plurality of pictures; decoding a reference picture of the plurality of pictures; storing the decoded reference picture in a reference picture buffer, the reference picture buffer comprising a memory; displaying each additional picture of the plurality of pictures in the rewind order, the each additional picture being data dependent on the reference picture, the displaying of the each additional picture comprising: decoding each P-picture between the reference picture and the each additional picture to be displayed; and decoding the each additional picture based on the decoded reference picture stored in the reference picture buffer and the each decoded P-picture between the reference picture and the each additional picture to be displayed; determining that a next picture to be displayed is the reference picture; and displaying the reference picture directly from the reference picture buffer based on the determination that the next picture to be displayed is the reference picture.