Direct generation of data-driven program for stream-oriented processing

This paper proposes a scheme that directly transforms unified system specifications into highly parallel dynamic data-driven programs incrementally in an interactive fashion. In this paper the scheme proposed is described with special emphasis on its application to stream-oriented processing such as the multimedia signal processing. An abstract data type for generalized multiple data streams is introduced in order to facilitate interpretations of hierarchical and diagrammatic specifications. Also an optimization technique applicable in fitting the specifications to a specific hardware configuration is shown. Finally, practicability of the methodology is illustrated through a design process of an HDTV signal decoder.