Efficient non-linear editing for non-volatile mobile storage

  • Authors:

  • Seung-Ho Lim;Man-Keun Seo

  • Affiliations:

  • Hankuk University of Foreign Studies, Yongin-si, South Korea;Samsung Electronics, Hwasung-si, South Korea

  • Venue:
  • Proceedings of the 2010 ACM multimedia workshop on Mobile cloud media computing
  • Year:
  • 2010

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Abstract

In this paper, an efficient multimedia non-linear editing technique is designed for mobile multimedia devices. In our nonlinear editing system, duplication caused by non-linear editing is predicted and eliminated by considering the causality between non-linear editing I/O operations, and the duplicate data can be shared by several files. It is based on the efficient management for non-volatile memory based mobile storage. In the storage management, the data indexing and metadata management scheme is introduced in that it releases page-alignment constraint and allows data page sharing. We can reduce redundant data write with the proposed scheme, and thus use Non-volatile memory space efficiently. As a result, non-volatile memory management overhead can be reduced greatly. Moreover, our deduplication scheme can be widely deployed to existing NLE applications, since it is compatible with existing POSIX system calls.