ISO/IEC INTERNATIONAL 14478-3 STANDARD First edition 1998-12-15 Information technology Computer graphics and image processing Presentation Environment for Multimedia Objects (PREMO) - Part 3: Multimedia Systems Services Technologies de I'information -- Infographie et traitement d'images - Environnement de presentation d'objets multimédia (PREMO) - Partie 3: Services pour les systemes multimédia Referencenumber ISO/IEC14478-3:1998(E) Copyright Intermational Organization for Standardization Not for Resale ISO/IEC 14478-3:1998(E) Contents Foreword. Introduction Scope Normative references 3 Definitions. 3.1 PREMO Part 1 definitions 3.2 PREMO Part 2definitions 3.3 Additional definitions. 2 4 Symbols and abbreviations 5 Conformance 6 Overview of the Multimedia Systems Services 6.1 Introduction 6.2 Object framework. 4 6.3 Subtyping diagram 6 6.4 MSS object life cycle 7Configuration objects :7.1 Introduction ISO/IEC1998 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. 1SO/IEC Copyright Office · Case postale 56 . CH-1211 Geneve 20 · Switzerland Printed in Switzerland i Copyright International Organization for Standardization No reproduction or networking permited without license from IHS Not for Resale ISO/IEC 14478-3:1998(E) @ ISO/IEC 7.2 Format objects. 8 7.3 Transport and Media Stream Protocol objects 9 7.4 Quality of Service Descriptor objects. 9 8 Stream Controls .. . 10 8.1 StreamControl objects 11 8.2 SyncStreamControl objects . 13 9 Devices, Resources . 13 9.1 Virtual Resources . 9.1.1 Configuration objects on virtual resources. 14 9.1.2 Stream control. . 14 9.1.3 Resource management 9.1.4 Quality of Service Management . 15 9.2 Virtual Devices 16 9.2.1 Processing element. 9.2.2 Ports.. 17 9.2.3 Streams.. 17 9.2.4 Port configurations. 18 9.3 Virtual Connections. 19 9.3.1 Examples for connection agreement. 19 9.3.2 Connectionestablishment. .20 9.3.2.1 Unicast andmulticast .21 9.4 Groups.. 21 9.4.1 Resource acquisition and end-to-end Qos . 22 9.4.2 Stream control.. 23 9.5 Logical Devices. 10 Functional specification. . 24 10.1 Introduction.. 24 10.2 Non-object data types . 24 10.3 Exceptions. 25 10.4 Structures 10.4.1 Port information structure. . 26 10.5 Configuration object 26 10.5.1 Format objects .. 26 10.5.1.1 Format object ... .26 10.5.2TransportandMultimediaStreamProtocolobjects. 10.5.2.1 MultinediaStreanProtocol objects. 27 10.5.2.2 IntruNodeTran.sport objects 10.5.2.3 InierNodeTrunspor objects 27 10.5.3 Quality of Service objects. . 28 10.6 Stream Controls. . 29 10.6.1 StreamControlobject 29 10.6.2 SyncStreamControl object. 30 10.7 Devices, resources. 31 10.7.1 VirtualResourceobject. 10.7.2 VirtualDevice object . . 33 ii Copyright International Organization for Standardizatior No reproduction or networking permited without license from IHS Not for Resale