On the design of multimedia software and future system architectures

Peter H. N. de With; Egbert G.T. Jaspers

doi:10.1117/12.532564

19 April 2004 On the design of multimedia software and future system architectures

Peter H. N. de With, Egbert G.T. Jaspers

Proceedings Volume 5309, Embedded Processors for Multimedia and Communications; (2004) https://doi.org/10.1117/12.532564
Event: Electronic Imaging 2004, 2004, San Jose, California, United States

Abstract

A principal challenge for reducing the cost for designing complex systems-on-chip is to pursue more generic systems for a broad range of products. For this purpose, we explore three new architectural concepts for state-of-art video applications. First, we discuss a reusable scalable hardware architecture employing a hierarchical communication network fitting with the natural hierarchy of the application. In a case study, we show that MPEG streaming in DTV occurs at high level, while subsystems communicate at lower levels. The second concept is a software design that scales over a number of processors to enable reuse over a range of VLSI process technologies. We explore this via an H.264 decoder implementation scaling nearly linearly over up to eight processors by applying data partitioning. The third topic is resource-scalability, which is required to satisfy realtime constraints in a system with a high amount of shared resources. An example complexity-scalable MPEG-2 coder scales the required cycle budget with a factor of three, in parallel with a smooth degradation of quality.

Citation Download Citation

Peter H. N. de With and Egbert G.T. Jaspers "On the design of multimedia software and future system architectures", Proc. SPIE 5309, Embedded Processors for Multimedia and Communications, (19 April 2004); https://doi.org/10.1117/12.532564

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