Information technology — Computer graphics and image processing — Presentation Environment for Multimedia Objects (PREMO) — Part 3: Multimedia Systems Services

This part of ISO/IEC 14478 defines a standard set of multimedia system services that can be used by multimedia application developers in a variety of computing environments. The focus is on enabling multimedia applications in a heterogeneous, distributed computing environment. Throughout this part of ISO/IEC 14478, this component will also be referred to as "Multimedia Systems Services", and abbreviated as MSS. The Multimedia Systems Services constitutes a framework of "middleware" - system software components lying in the region between the generic operating system and specific applications. As middleware, the Multimedia Systems Services marshals lower-level system resources to the task of supporting multimedia processing, providing a set of common services which can be used by multimedia application developers. The Multimedia Systems Services encompasses the following characteristics: a) provision of an abstract type for a media processing node, extensible through subtyping to support abstractions of real media processing hardware or software; b) provision of an abstract type for the data flow path or the connection between media processing nodes, encapsulating low-level connection and transport semantics; c) grouping of multiple processing nodes and connections into a single unit for purposes of resource reservation and stream control; d) provision or a media dataflow abstraction. with support for a variety of position, time and/or synchronization capabilities; e) separation of the media format abstractions from the dataflow abstraction; f) synchronous exceptions and asynchronous events; g) application visible characterization of object capabilities; h) registration of objects in a distributed environment by location and capabilities; i) retrieval of objects in a distributed environment by location and constraints; j) definition of a Media Stream Protocol to support media independent transport and synchronization. The Multimedia Systems Services rely on the object model of ISO/IEC 14478-1 (Fundamentals of PREMO) and the object types and non-object data types defined in TSO/IEC 14478-2 (PREMO Foundation Component).

Technologies de l'information — Infographie et traitement d'images — Environnement de présentation d'objets multimédia (PREMO) — Partie 3: Services pour les systèmes multimédia

General Information

Status

Published

Publication Date

19-Dec-1998

ICS

35.140 - Computer graphics

Technical Committee

ISO/IEC JTC 1/SC 24 - Computer graphics, image processing and environmental data representation

Drafting Committee

ISO/IEC JTC 1/SC 24/WG 6 - Computer Graphics and Virtual Reality

Current Stage

9093 - International Standard confirmed

Completion Date

08-Dec-2021

Ref Project

Relations

Consolidated By

ISO 13385-2:2011 - Geometrical product specifications (GPS) — Dimensional measuring equipment — Part 2: Calliper depth gauges; Design and metrological characteristics

Effective Date

06-Jun-2022

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ISO/IEC 14478-3:1998 - Information technology -- Computer graphics and image processing -- Presentation Environment for Multimedia Objects (PREMO)

Standard

ISO/IEC 14478-3:1998 - Information technology -- Computer graphics and image processing -- Presentation Environment for Multimedia Objects (PREMO)

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74 pages

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