AuthorsN. Bertrand, J. Durou, C. Griwodz and V. Charvillat
TitleToward Free and Open Source Film Projection for Digital Cinema
AfilliationCommunication Systems, Communication Systems
StatusPublished
Publication TypeProceedings, refereed
Year of Publication2015
Conference NameEuromedia 2015
Pagination(electronic medium)
Date PublishedApril 2015
PublisherEUROSIS
Place Publishedhttp://www.eurosis.org
Abstract

Cinema industry has chosen Digital Cinema Package (DCP) as encod- ing format for the distribution of digital films. DCP uses JPEG2000 for video compression. An efficient implementation of coding and decoding for this format is complex, however. Currently deployed equipment is expensive and has high maintenance costs, preventing art-house cinema theaters from acquiring it. Therefore, we conduct this research activity in cooperation with Utopia cinemas, a group of art-house cinemas, whose main requirement (besides functional ones) is to provide Free and Open Source Software (FOSS). This paper presents a solution that achieves real-time JPEG2000 decoding and DCP presentation based on widespread open source multimedia tools, namely VLC and libavcodec library. We present the improvements that were made in VLC to support the DCP packaging format, as well as details on JPEG2000 decoding inside libavcodec (optimization and lossy decoding). We also evaluate the performance of the decoding chain. 

Notes

2014 and 2015 Proceedings of EUROSIS' Euromedia conference were not published by January 2016

URLhttp://www.irit.fr/ Jean-Denis.Durou/PUBLICATIONS/Euromedia_2015.pdf
Citation Key Be2015.7

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