ISO/IEC INTERNATIONAL STANDARD 29341-20-1 First edition 2017-09 Information technology UPnP Device Architecture - Part 20-1: Audio video device control protocol - Level 4 Audio video architecture Technologies de I'information - Architecture de dispositif UPnP. Partie 20-1: Protocole de controle de dispositif audio-vidéo - Niveau 4 Architecture audio-vidéo Reference number TEC IS0/IEC 29341-20-1:2017(E) s Copyright International Organization for Standardization @IS0/IEC 2017 ACKEY, MA out license from IHS IS0/IEC 29341-20-1:2017(E) COPYRIGHTPROTECTEDDOCUMENT IS0/IEC 2017, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org @ IS0/IEC 2017 - All rights reserved ical Univ/5926867100, User=JACKEY, MA No reproductic or networking pemited without license from IHS IS0/IEC 29341-20-1:2017(E) CONTENTS Scope 1.1 Introductioin 1.2 Goals . 1.3 Non-Goals... 2 Normative references .. 3 Terms, definitions, symbols and abbreviations.. 4 Architectural Overview. 5 Playback Architecture .. 5.1 MediaServer. 5.1.1 ContentDirectory Service.. 5.1.2 ConnectionManager Service 5.1.1 AvTransport Service .... 5.2 MediaRenderer... 5.2.1 RenderingControl Service ... 5.2.2 ConnectionManager Service .. 5.2.3 AvTransport Service .. 8 5.3 Control point.... 5.3.12-Box model: Control point with Decoder.. 11 5.3.2 2-Box model: Control point with Content... .12 5.4 Tracking streams in the network 6 Example Playback Scenarios. 6.1 3-Box model:lsochronous-Push (IEC61883/IEEE1394), 6.2 3-Box model: Asynchronous-Pull (e.g. HTTP GET).... 6.3 2-Box model: Control point with Decoder using Isochronous-Push (e.g. IEEE-1394).. ...15 6.4 2-Box model: Control point with Decoder using Asynchronous-Pull (e.g. HTTP GET) .17 6.4.1 Minimal Implementation 6.5 2-Box model: Control point with Content using Isochronous-Push (e.g. IEEE- 1394) ..19 6.6 2-Box Model: Control point with Content using Asynchronous-Pull (e.g HTTP GET) ..... ..20 6.7 No ConnectionManager:PrepareForConnection() Action. 7 Advanced Playback Scenarios .. .....21 7.1 Synchronized playback. 7.2 Muiti-sireaming.... 8 Recording Architecture ....26 8.1Legacy recording mechanism.. .26 8.2 Scheduled Recording @ ISO/IEC 2017 - All rights reserved ili Copyright International Organization for Standardization ACKEY,MA ed without license from IHS Not for B