Predictable processing of multimedia content, using MPEG-21 digital item processing

  • Authors:

  • Chris Poppe;Frederik De Keukelaere;Saar De Zutter;Sarah De Bruyne;Wesley De Neve;Rik Van de Walle

  • Affiliations:

  • Ghent University - IBBT, Department of Electronics and Information Systems - Multimedia Lab, Ledeberg-Ghent, Belgium;Ghent University - IBBT, Department of Electronics and Information Systems - Multimedia Lab, Ledeberg-Ghent, Belgium;Ghent University - IBBT, Department of Electronics and Information Systems - Multimedia Lab, Ledeberg-Ghent, Belgium;Ghent University - IBBT, Department of Electronics and Information Systems - Multimedia Lab, Ledeberg-Ghent, Belgium;Ghent University - IBBT, Department of Electronics and Information Systems - Multimedia Lab, Ledeberg-Ghent, Belgium;Ghent University - IBBT, Department of Electronics and Information Systems - Multimedia Lab, Ledeberg-Ghent, Belgium

  • Venue:
  • PCM'07 Proceedings of the multimedia 8th Pacific Rim conference on Advances in multimedia information processing
  • Year:
  • 2007

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Abstract

Within an MPEG-21 architecture, the two key concepts are the Digital Item, representing multimedia content, and Users, interacting with this content. MPEG-21 introduced Digital Item Processing to allow content authors to describe suggested processing of their Digital Items. It standardizes ways to insert functionality into a Digital Item, as such, creating a dynamic and interactive multimedia format. Moreover, if a terminal wants to support Digital Item Processing, it needs to provide an execution environment offering basic functionality. The semantics of this functionality have been standardized, however there is significant room for interpretation. Consequently, a Digital Item author may not be aware of the actual processing when using this functionality. In this paper, a system is proposed, compliant with the Digital Item Processing specification, to give content creators full control on the processing. This allows creating advanced predictable multimedia systems in an MPEG- 21 environment.