NDLI: Integration of dataflow components within a legacy video transcoding framework

Content Provider	IEEE Xplore Digital Library
Author	Deneke, T. Morel, L. Lafond, S. Lilius, J.
Copyright Year	2015
Description	Author affiliation: Åbo Akademi Univ., Turku, Finland (Lafond, S.; Lilius, J.) \|\| Turku Centre for Comput. Sci., Turku, Finland (Deneke, T.) \|\| Inria INSA-Lyon, Univ. de Lyon, Lyon, France (Morel, L.)
Abstract	Recently the RVC-CAL dataflow language has enabled video codecs to be specified in a more natural way than imperative languages by allowing implicit expression of parallelism and side effect freeness. The tools developed for RVC-CAL have also enabled the automatic generation of parallel C code, among others, from dataflow specifications. This paper introduces a new approach allowing the integration of dataflow components within legacy code. The approach makes use of a generic interface definition that allows seamless interaction between I/O components, which are mostly state operations and are best implemented in imperative languages with data processing components which are mostly stateless dataflow operations and are best implemented in dataflow languages. The advantage of the approach is the ease of development by allowing each language to be used on those parts of the application that it is most appropriate for. The functionality of the approach is demonstrated by using the generic interface to add a new dataflow based MPEG and HEVC decoder into the legacy video transcoding library FFmpeg.
Starting Page	1
Ending Page	6
File Size	567185
Page Count	6
File Format	PDF
e-ISBN	9781467396042
DOI	10.1109/SiPS.2015.7345013
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-10-14
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Transcoding Programming Parallel processing Decoding Video codecs Libraries
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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