Automatic software synthesis of dataflow program: An MPEG-4 simple profile decoder case study

2008 IEEE Workshop on Signal Processing Systems Pub Date : 2008-11-17 DOI:10.1109/SIPS.2008.4671776

Ghislain Roquier, M. Wipliez, M. Raulet, J. Janneck, Ian D. Miller, D. Parlour

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引用次数: 55

Abstract

The MPEG reconfigurable video coding (RVC) framework is a new standard under development by MPEG that aims at providing a unified high-level specification of current MPEG video coding technologies. In this framework, a decoder is built as a configuration of video coding modules taken from the standard ldquoMPEG toolbox libraryrdquo. The elements of the library are specified by a textual description that expresses the I/O behavior of each module and by a reference software written using the CAL Actor Language. A decoder configuration is written in an XML dialect by connecting a set of CAL modules. Code generators are fundamental supports that enable the direct transformation of a high level specification to efficient hardware and software implementations. This paper presents a synthesis tool that from a CAL dataflow program generates C code and an associated SystemC model. Experimental results of the RVC Expertpsilas MPEG-4 simple profile decoder synthesis are reported. The generated code and the associated SystemC model are validated against the original CAL description which is simulated using the open dataflow environment.

查看原文本刊更多论文

数据流程序的自动软件合成:一个MPEG-4简单剖面解码器案例研究

MPEG可重构视频编码(reconfigurable video coding, RVC)框架是MPEG正在开发的一项新标准，旨在为当前的MPEG视频编码技术提供统一的高级规范。在该框架中，解码器被构建为取自标准ldquoMPEG工具箱库的视频编码模块配置。库的元素由表达每个模块的I/O行为的文本描述和使用CAL Actor语言编写的参考软件指定。通过连接一组CAL模块，用XML方言编写解码器配置。代码生成器是基本的支持，它支持将高级规范直接转换为高效的硬件和软件实现。本文介绍了一个综合工具，它可以从一个CAL数据流程序生成C代码和相关的SystemC模型。报道了RVC Expertpsilas MPEG-4简单剖面解码器合成的实验结果。生成的代码和相关的SystemC模型根据使用开放数据流环境模拟的原始CAL描述进行验证。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2008 IEEE Workshop on Signal Processing Systems

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