1、 Reference numberISO/IEC 14496-8:2004(E)ISO/IEC 2004Information technology Coding of audio-visual objects Part 8: Carriage of ISO/IEC 14496 contents over IP networks Technologies de linformation Codage des objets audiovisuels Partie 8: Transport du contenu MPEG-4 sur les rseaux IP National Standard
2、of CanadaCAN/CSA-ISO/IEC 14496-8:05(ISO/IEC 14496-8:2004)International Standard ISO/IEC 14496-8:2004 (first edition, 2004-05-15) has been adopted withoutmodification (IDT) as CSA Standard CAN/CSA-ISO/IEC 14496-8:05, which has been approved as a NationalStandard of Canada by the Standards Council of
3、Canada.ISBN 1-55397-947-8 October 2005The Canadian Standards Association (CSA), under whose auspices this National Standard has been produced, was chartered in 1919 and accredited by the Standards Council of Canada to the National Standards system in 1973. It is a not-for-profit, nonstatutory, volun
4、tary membership association engaged in standards development and certification activities. CSA standards reflect a national consensus of producers and users including manufacturers, consumers, retailers, unions and professional organizations, and governmental agencies. The standards are used widely
5、by industry and commerce and often adopted by municipal, provincial, and federal governments in their regulations, particularly in the fields of health, safety, building and construction, and the environment. Individuals, companies, and associations across Canada indicate their support for CSAs stan
6、dards development by volunteering their time and skills to CSA Committee work and supporting the Associations objectives through sustaining memberships. The more than 7000 committee volunteers and the 2000 sustaining memberships together form CSAs total membership from which its Directors are chosen
7、. Sustaining memberships represent a major source of income for CSAs standards development activities. The Association offers certification and testing services in support of and as an extension to its standards development activities. To ensure the integrity of its certification process, the Associ
8、ation regularly and continually audits and inspects products that bear the CSA Mark. In addition to its head office and laboratory complex in Toronto, CSA has regional branch offices in major centres across Canada and inspection and testing agencies in eight countries. Since 1919, the Association ha
9、s developed the necessary expertise to meet its corporate mission: CSA is an independent service organization whose mission is to provide an open and effective forum for activities facilitating the exchange of goods and services through the use of standards, certification and related services to mee
10、t national and international needs.For further information on CSA services, write toCanadian Standards Association5060 Spectrum Way, Suite 100Mississauga, Ontario, L4W 5N6CanadaThe Standards Council of Canada is the coordinating body of the National Standards system, a federation of independent, aut
11、onomous organizations working towards the further development and improvement of voluntary standardization in the national interest. The principal objects of the Council are to foster and promote voluntary standardization as a means of advancing the national economy, benefiting the health, safety, a
12、nd welfare of the public, assisting and protecting the consumer, facilitating domestic and international trade, and furthering international cooperation in the field of standards. A National Standard of Canada is a standard which has been approved by the Standards Council of Canada and one which ref
13、lects a reasonable agreement among the views of a number of capable individuals whose collective interests provide to the greatest practicable extent a balance of representation of producers, users, consumers, and others with relevant interests, as may be appropriate to the subject in hand. It norma
14、lly is a standard which is capable of making a significant and timely contribution to the national interest. Approval of a standard as a National Standard of Canada indicates that a standard conforms to the criteria and procedures established by the Standards Council of Canada. Approval does not ref
15、er to the technical content of the standard; this remains the continuing responsibility of the accredited standards development organization. Those who have a need to apply standards are encouraged to use National Standards of Canada whenever practicable. These standards are subject to periodic revi
16、ew; therefore, users are cautioned to obtain the latest edition from the organization preparing the standard.The responsibility for approving National Standards of Canada rests with theStandards Council of Canada270 Albert Street, Suite 200Ottawa, Ontario, K1P 6N7CanadaAlthough the intended primary
17、application of this Standard is stated in its Scope, it is importantto note that it remains the responsibility of the users to judge its suitability for their particular purpose.Registered trade-mark of Canadian Standards AssociationCette norme est offerte en anglais seulement pour le moment. La CSA
18、 publiera la version enfranais ds quelle sera produite par lorganisme rdacteur.CAN/CSA-ISO/IEC 14496-8:05Information technology Coding of audio-visual objects Part 8: Carriage of ISO/IEC 14496 contents over IP networksOctober 2005 Canadian Standards Association CSA/1CAN/CSA-ISO/IEC 14496-8:05Informa
19、tion technology Coding of audio-visual objects Part 8: Carriage of ISO/IEC 14496 contents over IP networksCSA PrefaceStandards development within the Information Technology sector is harmonized with international standards development. Through the CSA Technical Committee on Information Technology (T
20、CIT), Canadians serve as the Canadian Advisory Committee (CAC) on ISO/IEC Joint Technical Committee 1 on Information Technology (ISO/IEC JTC1) for the Standards Council of Canada (SCC), the ISO member body for Canada and sponsor of the Canadian National Committee of the IEC. Also, as a member of the
21、 International Telecommunication Union (ITU), Canada participates in the International Telegraph and Telephone Consultative Committee (ITU-T).At the time of publication, ISO/IEC 14496-8:2004 is available from ISO and IEC in English only. CSA will publish the French version when it becomes available
22、from ISO and IEC.This International Standard was reviewed by the CSA TCIT under the jurisdiction of the Strategic Steering Committee on Information Technology and deemed acceptable for use in Canada. (A committee membership list is available on request from the CSA Project Manager.) From time to tim
23、e, ISO/IEC may publish addenda, corrigenda, etc. The CSA TCIT will review these documents for approval and publication. For a listing, refer to the CSA Information Products catalogue or CSA Info Update or contact a CSA Sales representative. This Standard has been formally approved, without modificat
24、ion, by the Technical Committee and has been approved as a National Standard of Canada by the Standards Council of Canada.October 2005 Canadian Standards Association 2005All rights reserved. No part of this publication may be reproduced in any form whatsoever without the prior permission ofthe publi
25、sher. ISO/IEC material is reprinted with permission. Where the words “this International Standard” appear in the text, they should be interpreted as “this National Standard of Canada”.Inquiries regarding this National Standard of Canada should be addressed toCanadian Standards Association5060 Spectr
26、um Way, Suite 100, Mississauga, Ontario, Canada L4W 5N61-800-463-6727 416-747-4044www.csa.caReference numberISO/IEC 14496-8:2004(E)ISO/IEC 2004INTERNATIONAL STANDARD ISO/IEC14496-8First edition2004-05-15Information technology Coding of audio-visual objects Part 8: Carriage of ISO/IEC 14496 contents
27、over IP networks Technologies de linformation Codage des objets audiovisuels Partie 8: Transport du contenu MPEG-4 sur les rseaux IP ISO/IEC 14496-8:2004(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but
28、 shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobes licensing policy. The ISO Central Secretariat accepts no liability in this a
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30、 by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. ISO/IEC 2004 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means,
31、electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright
32、iso.org Web www.iso.org ii ISO/IEC 2004 All rights reservedISO/IEC 14496-8:2004(E) ISO/IEC 2004 All rights reserved iiiForeword ISO (the International Organization for Standardization) and IEC (the International Electrotechnical Commission) form the specialized system for worldwide standardization.
33、National bodies that are members of ISO or IEC participate in the development of International Standards through technical committees established by the respective organization to deal with particular fields of technical activity. ISO and IEC technical committees collaborate in fields of mutual inte
34、rest. Other international organizations, governmental and non-governmental, in liaison with ISO and IEC, also take part in the work. In the field of information technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1. International Standards are drafted in accordance with
35、 the rules given in the ISO/IEC Directives, Part 2. The main task of the joint technical committee is to prepare International Standards. Draft International Standards adopted by the joint technical committee are circulated to national bodies for voting. Publication as an International Standard requ
36、ires approval by at least 75 % of the national bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights. ISO/IEC 14496-8 was pre
37、pared by Joint Technical Committee ISO/TC JTC 1, Information technology, Subcommittee SC 29, Coding of audio, picture, multimedia and hypermedia information. ISO/IEC 14496 consists of the following parts, under the general title Information technology Coding of audio-visual objects: Part 1: Systems
38、Part 2: Visual Part 3: Audio Part 4: Conformance testing Part 5: Reference software Part 6: Delivery Multimedia Integration Framework (DMIF) Part 7: Optimized reference software for coding of audio-visual objects Part 8: Carriage of ISO/IEC 14496 contents over IP networks Part 9: Reference hardware
39、description Part 10: Advanced Video Coding Part 11: Scene description and application engine Part 12: ISO base media file format Part 13: Intellectual Property Management and Protection (IPMP) extensions Part 14: MP4 file format Part 15: Advanced Video Coding (AVC) file format Part 16: Animation Fra
40、mework eXtension (AFX) ISO/IEC 14496-8:2004(E) iv ISO/IEC 2004 All rights reservedIntroduction ISO/IEC 14496 is an International Standard designed for the representation and delivery of multimedia information over a variety of transport protocols. It includes interactive scene management, visual and
41、 audio representations as well as systems functionality like multiplexing, synchronization, and an object descriptor framework. This document provides a framework for the carriage of ISO/IEC 14496 contents over IP networks and guidelines for designing payload format specifications for the detailed m
42、apping of ISO/IEC 14496 content into several IP-based protocols INTERNATIONAL STANDARD ISO/IEC 14496-8:2004(E) ISO/IEC 2004 All rights reserved 1Information technology Coding of audio-visual objects Part 8: Carriage of ISO/IEC 14496 contents over IP networks 1 Scope This part of ISO/IEC 14496 specif
43、ies transport level functionalities for the communication of interactive audio-visual scenes. More specifically: 1. Framework for the carriage of ISO/IEC 14496 contents over IP networks; 2. Guidelines to design RTP payload formats for ISO/IEC 14496 contents including fragmentation and concatenation
44、rules; 3. Usage rules of SDP to transport ISO/IEC 14496-1 related information; 4. MIME type definitions for ISO/IEC14496 contents; and 5. Analysis on RTP Security and Multicasting. 2 Normative references The following referenced documents are indispensable for the application of this document. For d
45、ated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IETF RFC 1889, RTP A Transport Protocol for Real-Time Applications IETF RFC 1890, RTP Profile for Audio and Video Conference with Minimal Control
46、 IETF RFC 2326, Real Time Streaming Protocol (RTSP) IETF RFC 2327, SDP: Session description protocol IETF RFC 3016, RTP payload format for MPEG-4 audio/visual streams IETF RFC 3640, Transport of MPEG-4 elementary streams 3 Terms and definitions For the purposes of this document, the following terms
47、and definitions apply. 3.1 MIME Multipurpose Internet Mail Extensions, referring to an official Internet standard that identifies the format of the contents exchanged over different systems connected to the network ISO/IEC 14496-8:2004(E) 2 ISO/IEC 2004 All rights reserved3.2 RTP Real Time Transport
48、 Protocol, an Internet protocol used for transport of multimedia data 3.3 RTSP Real Time Streaming Protocol, an application-level Internet protocol for control over the delivery of data with real-time properties 3.4 RTCP Real Time Transport Control Protocol, an Internet protocol used to configure RT
49、P packets and to control the transport of RTP packets 3.5 SDP an Internet protocol used for describing multimedia sessions for the purposes of session announcement, session invitation, and other forms of multimedia session initiation 4 Symbols and abbreviated terms AAC Advanced Audio Coding AU Access Unit BIFS Binary Format for Scene CELP Code Excited Linear Prediction CTS Composition Time Stamp ES Elementary Stream ESI Elementary Stream Interface ESID Elementary Stream Identifier F
