1、 ETSI TS 126 246 V14.0.0 (2017-04) Universal Mobile Telecommunications System (UMTS); LTE; Transparent end-to-end Packet-switched Streaming Service (PSS); 3GPP SMIL language profile (3GPP TS 26.246 version 14.0.0 Release 14) TECHNICAL SPECIFICATION ETSI ETSI TS 126 246 V14.0.0 (2017-04)13GPP TS 26.2
2、46 version 14.0.0 Release 14Reference RTS/TSGS-0426246ve00 Keywords LTE,UMTS ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la Sous-Prfecture de Grasse (0
3、6) N 7803/88 Important notice The present document can be downloaded from: http:/www.etsi.org/standards-search The present document may be made available in electronic versions and/or in print. The content of any electronic and/or print versions of the present document shall not be modified without
4、the prior written authorization of ETSI. In case of any existing or perceived difference in contents between such versions and/or in print, the only prevailing document is the print of the Portable Document Format (PDF) version kept on a specific network drive within ETSI Secretariat. Users of the p
5、resent document should be aware that the document may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available at https:/portal.etsi.org/TB/ETSIDeliverableStatus.aspx If you find errors in the present document, please send your comme
6、nt to one of the following services: https:/portal.etsi.org/People/CommiteeSupportStaff.aspx Copyright Notification No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm except as authorized by written permission of ETSI. Th
7、e content of the PDF version shall not be modified without the written authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2017. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are T
8、rade Marks of ETSI registered for the benefit of its Members. 3GPPTM and LTE are Trade Marks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM and the GSM logo are Trade Marks registered and owned by the GSM Association. ETSI ETSI TS 126 246 V14.0.0 (2017
9、-04)23GPP TS 26.246 version 14.0.0 Release 14Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be fou
10、nd in ETSI SR 000 314: “Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (https:/ipr.etsi.org/). Pursuant to the ETSI IPR Po
11、licy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document. Foreword This Te
12、chnical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP). The present document may refer to technical specifications or reports using their 3GPP identities, UMTS identities or GSM identities. These should be interpreted as being references to the corresponding E
13、TSI deliverables. The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under http:/webapp.etsi.org/key/queryform.asp. Modal verbs terminology In the present document “shall“, “shall not“, “should“, “should not“, “may“, “need not“, “will“, “will not“, “can“ and “cannot“ are to
14、 be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT allowed in ETSI deliverables except when used in direct citation. ETSI ETSI TS 126 246 V14.0.0 (2017-04)33GPP TS 26.246 version 14.0.0 Release 14Conten
15、ts Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 4g31 Scope 5g32 References 5g33 Definitions and abbreviations . 6g33.1 Definitions 6g33.2 Abbreviations . 6g34 3GPP SMIL Language Profile Outline 6g35 Document Conformance. 7g36 User Agent Conformance . 7g37 3GPP
16、SMIL Language Profile definition . 8g37.1 Content Control Modules . 8g37.2 Layout Module . 8g37.3 Linking Module 8g37.4 Media Object Modules . 8g37.5 Metainformation Module . 9g37.6 Structure Module 9g37.7 Timing and Synchronization modules 9g37.8 Transition Effects Module 10g38 Content Model 10g3An
17、nex A (informative): SMIL authoring guidelines . 12g3A.1 General . 12g3A.2 BasicLinking 12g3A.3 BasicLayout 12g3A.4 EventTiming . 13g3A.5 MetaInformation . 13g3A.6 XML entities 13g3A.7 XHTML Mobile Profile . 13g3Annex B (normative): Additional specification on the systemComponent Test Attribute . 15
18、g3B.1 General . 15g3B.2 Definition of Attribute Encoding 15g3B.3 Behaviour of a 3GPP SMIL Player 15g3Annex C (informative): Change history . 17g3History 18g3ETSI ETSI TS 126 246 V14.0.0 (2017-04)43GPP TS 26.246 version 14.0.0 Release 14Foreword This Technical Specification has been produced by the 3
19、rdGeneration Partnership Project (3GPP). The contents of the present document are subject to continuing work within the TSG and may change following formal TSG approval. Should the TSG modify the contents of the present document, it will be re-released by the TSG with an identifying change of releas
20、e date and an increase in version number as follows: Version x.y.z where: x the first digit: 1 presented to TSG for information; 2 presented to TSG for approval; 3 or greater indicates TSG approved document under change control. y the second digit is incremented for all changes of substance, i.e. te
21、chnical enhancements, corrections, updates, etc. z the third digit is incremented when editorial only changes have been incorporated in the document. The 3GPP transparent end-to-end packet-switched streaming service (PSS) specification consists of five 3GPP TSs: 3GPP TS 22.233 1, 3GPP TS 26.233 2, 3
22、GPP TS 26.234 3, 3GPP TS 26.244 4, 3GPP TS 26.245 5, and the present document. The TS 22.233 contains the service requirements for the PSS. The TS 26.233 provides an overview of the PSS. The TS 26.234 provides the details of protocol and codecs used by the PSS. The TS 26.244 defines the 3GPP file fo
23、rmat (3GP) used by the PPS and MMS services. TS 26.245 defines the Timed Text format used by the PSS. The TS 26.244, TS 26.245, and Ts 26.246 (present document) start with Release 6. Earlier releases of the 3GPP file format, the Timed text format, and the 3GPP SMIL Language Profile can be found in T
24、S 26.234. ETSI ETSI TS 126 246 V14.0.0 (2017-04)53GPP TS 26.246 version 14.0.0 Release 141 Scope The present document includes the specification of the 3GPP SMIL Language Profile. The 3GPP SMIL Language Profile is also referred to as “3GPP PSS SMIL Language Profile“ 3 and also just “3GPP SMIL“. The
25、3GPP SMIL Language Profile is based on SMIL 2.0 Basic 7 and SMIL Scalability Framework. It is a clean subset of SMIL 2.0 Full profile 7, and a clear superset of SMIL 2.0 Basic 7. The 3GPP SMIL Language Profile is used by the PSS 23 and MMS 6 services. The 3GPP SMIL Language Profile is in no way rest
26、ricted to be used with only these services, but can also be used for other services. 2 References The following documents contain provisions which, through reference in this text, constitute provisions of the present document. References are either specific (identified by date of publication, editio
27、n number, version number, etc.) or non-specific. For a specific reference, subsequent revisions do not apply. For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest v
28、ersion of that document in the same Release as the present document. 1 3GPP TS 22.233: “Transparent End-to-End Packet-switched Streaming Service; Service aspects; Stage 1“. 2 3GPP TS 26.233: “Transparent end-to-end Packet-switched Streaming Service (PSS); General description“. 3 3GPP TS 26.234: “Tra
29、nsparent end-to-end Packet-switched Streaming Service (PSS); Protocols and codecs“. 4 3GPP TS 26.244: “Transparent end-to-end Packet-switched Streaming Service (PSS); 3GPP file format (3GP)“. 5 3GPP TS 26.245: “Transparent end-to-end Packet-switched Streaming Service (PSS); Timed-text format“. 6 3GP
30、P TS 26.140: “Multimedia Messaging Service (MMS); Media formats and codecs“. 7 W3C Recommendation: “Synchronized Multimedia Integration Language (SMIL 2.0)-Second Edition“, http:/www.w3.org/TR/2005/REC-SMIL2-20050107/, January 2005. 8 W3C Recommendation: “Cascading Style Sheets, level 2, CSS2 Specif
31、ication, http:/www.w3.org/TR/1998/REC-CSS2-19980512, 12.05.1998 ETSI ETSI TS 126 246 V14.0.0 (2017-04)63GPP TS 26.246 version 14.0.0 Release 143 Definitions and abbreviations 3.1 Definitions For the purposes of the present document, the following terms and definitions apply: continuous media: media
32、with an inherent notion of time. In the present document speech, audio, video and timed text discrete media: media that itself does not contain an element of time.In the present document all media not defined as continuous media PSS client: client for the 3GPP packet switched streaming service based
33、 on the IETF RTSP/SDP and/or HTTP standards, with possible additional 3GPP requirements according to the present document PSS server: server for the 3GPP packet switched streaming service based on the IETF RTSP/SDP and/or HTTP standards, with possible additional 3GPP requirements according to the pr
34、esent document scene description: description of the spatial layout and temporal behaviour of a presentation. It can also contain hyperlinks 3.2 Abbreviations For the purposes of the present document, the abbreviations given in 3GPP TR 21.905 3 and the following apply. HTML Hyper Text Markup Languag
35、e MIME Multipurpose Internet Mail Extensions MMS Multimedia Messaging Service PSS Packet-switched Streaming Service SMIL Synchronised Multimedia Integration Language UCS-2 Universal Character Set (the two octet form) UTF-8 Unicode Transformation Format (the 8-bit form) UTF-16 Unicode Transformation
36、Format (the 16-bit form) W3C WWW Consortium XHTML eXtensible Hyper Text Markup Language XML eXtensible Markup Language 4 3GPP SMIL Language Profile Outline 3GPP SMIL is a markup language based on SMIL Basic 7 and SMIL Scalability Framework. 3GPP SMIL consists of the modules required by SMIL Basic Pr
37、ofile (and SMIL 2.0 Host Language Conformance) and additional MediaAccessibility, MediaDescription, MediaClipping, MetaInformation, PrefetchControl, EventTiming and BasicTransitions modules. All of the following modules are included: - SMIL 2.0 Content Control Modules - BasicContentControl, SkipCont
38、entControl and PrefetchControl - SMIL 2.0 Layout Module - BasicLayout - SMIL 2.0 Linking Module BasicLinking, LinkingAttributes - SMIL 2.0 Media Object Modules BasicMedia, MediaClipping, MediaParameter, MediaAccessibility and MediaDescription - SMIL 2.0 Metainformation Module - Metainformation - SMI
39、L 2.0 Structure Module - Structure - SMIL 2.0 Timing and Synchronization Modules - BasicInlineTiming, MinMaxTiming, BasicTimeContainers, RepeatTiming and EventTiming ETSI ETSI TS 126 246 V14.0.0 (2017-04)73GPP TS 26.246 version 14.0.0 Release 14- SMIL 2.0 Transition Effects Module - BasicTransitions
40、 5 Document Conformance A conforming 3GPP SMIL document shall be a conforming SMIL 2.0 document. All 3GPP SMIL documents use SMIL 2.0 namespace. 3GPP SMIL documents may declare requirements using systemRequired attribute: EXAMPLE 1: - Namespace URI http:/www.3gpp.org/SMIL20/PSS4/ identifies the vers
41、ion of the 3GPP SMIL profile defined in Release 4 of 3. - Namespace URI http:/www.3gpp.org/SMIL20/PSS5/ identifies the version of the 3GPP SMIL profile defined in Release 5 of 3. - Namespace URI http:/www.3gpp.org/SMIL20/PSS6/ identifies the version of the 3GPP SMIL profile defined in Release 6 in t
42、he present document. Authors may use these URIs to indicate requirement for exact 3GPP SMIL semantics for a document or a subpart of a document: EXAMPLE 2: The content authors should generally not include the PSS requirement in the document unless the SMIL document relies on PSS specific semantics t
43、hat are not part of the W3C SMIL. The reason for this is that SMIL players that are not conforming 3GPP PSS user agents may not recognize the PSS URI and thus refuse to play the document. 6 User Agent Conformance A conforming 3GPP SMIL user agent shall be a conforming SMIL Basic User Agent. A confor
44、ming user agent shall implement the semantics 3GPP SMIL as described in clauses 7 and 8 (including subclauses). A conforming user agent shall recognise - the URIs of all included SMIL 2.0 modules; - the URI http:/www.3gpp.org/SMIL20/PSS6/ as referring to all modules and semantics of the version of t
45、he 3GPP SMIL profile described in Release 6 in the present document; - the URI http:/www.3gpp.org/SMIL20/PSS5/ as referring to all modules and semantics of the version of the 3GPP SMIL profile described in Release 5 of document 3; - the URI http:/www.3gpp.org/SMIL20/PSS4/ as referring to all modules
46、 and semantics of the 3GPP SMIL profile defined in Release 4 of document 3. NOTE: The difference between release 4 and release 5 is that the BasicTransitions module has been added in release 5. Releases 4 and 5 are defined in 3. ETSI ETSI TS 126 246 V14.0.0 (2017-04)83GPP TS 26.246 version 14.0.0 Re
47、lease 14NOTE: The difference between release 5 and release 6 is that the MediaParameter module and additional specification on the ContentControl module systemComponent test attribute have been added in release 6. Release 5 is defined in 3. 7 3GPP SMIL Language Profile definition 3GPP SMIL is based
48、on SMIL 2.0 Basic language profile 7. This chapter defines the content model and integration semantics of the included modules where they differ from those defined by SMIL Basic. 7.1 Content Control Modules 3GPP SMIL includes the content control functionality of the BasicContentControl, SkipContentC
49、ontrol and PrefetchControl modules of SMIL 2.0. PrefetchControl is not part of SMIL Basic and is an additional module in this profile. All BasicContentControl attributes listed in the module specification shall be supported. Annex B extends the SMIL 2.0 BasicContentControl specification 7 by additional definitions on the systemComponent test attribute. NOTE: The SMIL specification 7 defines that all functionality of PrefetchControl module is optional. This mean that even although Prefetc
