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System and method for efficiently providing media and associated metadata

  • US 9,529,888 B2
  • Filed: 12/19/2013
  • Issued: 12/27/2016
  • Est. Priority Date: 09/23/2013
  • Status: Active Grant
First Claim
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1. A method of seeking within media content, comprising:

  • at an electronic device with one or more processors and memory;

    obtaining a file header for a file that corresponds to a plurality of clusters, wherein;

    the file header includes a cluster index that enables coarse searching within the file,the file header and the file omit respective omitted information that is necessary for extracting content from the file, andthe respective omitted information was removed from the file header and/or the file in accordance with a determination that the respective omitted information describes aspects of the content corresponding to the file that are already known to the electronic device;

    receiving a request to seek to a respective position within the file;

    in response to receiving the request;

    identifying a cluster of the plurality of clusters that includes content that corresponds to the respective position based on the cluster index;

    obtaining a cluster header associated with the cluster based on information retrieved from the cluster index, wherein the cluster header includes a content index that enables fine searching within the cluster;

    obtaining cluster data associated with the cluster; and

    after obtaining the cluster header, identifying respective content within the cluster that corresponds to the respective position based on the content index; and

    after identifying the respective content, providing at least a portion of content corresponding to the file to a presentation device for presentation to a user, starting with the respective content.

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