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Systems and methods for automatically genenrating top level index files

  • US 8,787,570 B2
  • Filed: 12/30/2011
  • Issued: 07/22/2014
  • Est. Priority Date: 08/31/2011
  • Status: Active Grant
First Claim
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1. A method of generating a top level index file, comprising:

  • receiving a request from a playback device at a playback server, where the request includes an electronic token that identifies a piece of content;

    retrieving a list of assets associated with the electronic token that identifies the piece of content using the playback server wherein each asset is a different alternative stream associated with the piece of content and each alternative stream encodes the piece of content at a different maximum bitrate;

    filtering the list of assets using at least one predetermined criterion using the playback server wherein the at least one predetermined criterion is associated with capabilities of the playback device;

    generating, using the playback server, a top level index file describing that (i) describes at least a bitrate of each asset in the filtered list of assets and (ii) identifies locations of the assets in the filtered list of assets; and

    sending the top level index file to the playback device using the playback server.

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