Patent ID: 8233768
Filing Date: 2012-07-31
Classification: G06F,G11B

Abstract:
1. A method of playing back content by a playback device stored in a media file, the method comprising: providing a media file to a playback device, the media file having content data, cue data and a hierarchical index, wherein the content data comprises a plurality of encapsulated video frames, the cue data comprises index information that references the location of individual frames of encapsulated video within the media file and the hierarchical index comprises references to index information within a subset of the cue data; decoding the content data by a playback device; displaying content on a display screen from the decoded content data; receiving a user request; identifying a portion of the hierarchical index based on the user request; identifying index information within a subset of the cue data based upon the identified portion of the hierarchical index; and decoding one or more video frames referenced by the identified index information within the subset of the cue data.