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Real-time capable file system for scalable media: Algorithms & caching strategy for exploiting scalability on file system level

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3 Author(s)
Sparenberg, H. ; Moving Picture Technol., Fraunhofer IIS, Erlangen, Germany ; Martin, M. ; Foessel, S.

Professional movie distribution and mastering formats use high quality, intra-frame compression formats like JPEG 2000, a codec allowing for scalability in resolution and quality. Latest processor types, either CPUs or high-end GPUs, can decode digital cinema-compliant JPEG 2000 image sequences in real-time. This brings out a new bottleneck during a movie playback since current consumer hard-drives are not fast enough for data rates being used in digital cinema or digital archiving. This paper shows a method for using file-inherent scalability on file system level as well as a caching strategy especially adapted for scalable media files.

Published in:

Picture Coding Symposium (PCS), 2012

Date of Conference:

7-9 May 2012