ETSI TR 126 907-2018 Universal Mobile Telecommunications System (UMTS) LTE HTML5 for a new presentation layer in 3GPP services (V15 0 0 3GPP TR 26 907 version 15 0 0 Release 15).pdf

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1、 ETSI TR 126 907 V15.0.0 (2018-07) Universal Mobile Telecommunications System (UMTS); LTE; HTML5 for a new presentation layer in 3GPP services (3GPP TR 26.907 version 15.0.0 Release 15) TECHNICAL REPORT ETSI ETSI TR 126 907 V15.0.0 (2018-07)13GPP TR 26.907 version 15.0.0 Release 15Reference RTR/TSGS

2、-0426907vf00 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 (06) N 7803/88 Important notice The present docu

3、ment 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 the prior written authorization of ETSI. In ca

4、se 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 present document should be aware that the docum

5、ent 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 comment to one of the following services: https:/po

6、rtal.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. The content of the PDF version shall not be modi

7、fied without the written authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. ETSI 2018. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are trademarks of ETSI registered for the benefit of its Members. 3GPPTM and LTETMare trademar

8、ks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. oneM2M logo is protected for the benefit of its Members. GSMand the GSM logo are trademarks registered and owned by the GSM Association. ETSI ETSI TR 126 907 V15.0.0 (2018-07)23GPP TR 26.907 version 15.0.0

9、Release 15Intellectual Property Rights Essential patents IPRs essential or potentially essential to normative deliverables 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 found in ETSI SR 0

10、00 314: “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 Policy, no invest

11、igation, 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. Trademarks The present document

12、 may include trademarks and/or tradenames which are asserted and/or registered by their owners. ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no right to use or reproduce any trademark and/or tradename. Mention of those trademarks in

13、the present document does not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks. Foreword This Technical Report (TR) has been produced by ETSI 3rd Generation Partnership Project (3GPP). The present document may refer to technical specifications

14、 or reports using their 3GPP identities, UMTS identities or GSM identities. These should be interpreted as being references to the corresponding ETSI deliverables. The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under http:/webapp.etsi.org/key/queryform.asp. Modal verbs

15、terminology In the present document “should“, “should not“, “may“, “need not“, “will“, “will not“, “can“ and “cannot“ are to 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 deliverable

16、s except when used in direct citation. ETSI ETSI TR 126 907 V15.0.0 (2018-07)33GPP TR 26.907 version 15.0.0 Release 15Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 4g31 Scope 5g32 References 5g33 Definitions and abbreviations . 6g33.1 Definitions 6g33.2

17、 Abbreviations . 6g34 Introduction 7g34.1 HTML5 7g34.1.1 Introduction. 7g34.1.2 New Tags 7g34.1.3 New HTML5 APIs . 8g34.1.3.1 Introduction . 8g34.1.3.2 Canvas API . 8g34.1.3.3 Cross-document messaging API . 8g34.1.3.4 Geolocation API 8g34.1.3.5 Audio and Video APIs 8g34.1.3.7 Media Source Extensions

18、 8g34.1.3.8 Encrypted Media Extensions . 8g34.1.3.9 Forms API . 8g34.1.3.10 Server-Sent Events (SSE) . 9g34.1.3.11 WebSocket API and protocol 9g34.1.3.12 Web Storage API and Indexed DB API 9g34.1.3.13 Indexed DB API 9g34.1.3.14 Drag and Drop API . 9g34.1.3.15 XMLHttpRequest 9g34.1.3.16 Web Workers 9

19、g34.1.3.17 Navigation Timing 9g34.1.3.18 WebGL 9g34.1.3.19 WebCrypto 9g34.2 Current Scene Description Solutions 10g34.2.1 Introduction. 10g34.2.2 XHTML Mobile Profile 10g34.2.3 DIMS 11g34.2.4 3GPP SMIL Language Profile 11g35 Feature Analysis . 12g35.1 Presentation layer characteristics . 12g35.2 Com

20、parison of SVG Animation based on SMIL vs. JavaScript . 12g36 HTML5 Profile for 3GPP Services 13g36.1 Features in the 3GPP Profile 13g36.2 Support for Scene Updates . 15g36.2.1 Introduction. 15g36.2.2 Scene Update Description . 15g36.2.3 Scene Update Distribution 15g37 Conclusion 15g3Annex A: Change

21、 history 17g3History 18g3ETSI ETSI TR 126 907 V15.0.0 (2018-07)43GPP TR 26.907 version 15.0.0 Release 15Foreword This Technical Report has been produced by the 3rdGeneration Partnership Project (3GPP). The contents of the present document are subject to continuing work within the TSG and may change

22、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 release 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 presente

23、d 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. technical enhancements, corrections, updates, etc. z the third digit is incremented when editorial only changes have been incorporated in the

24、 document. ETSI ETSI TR 126 907 V15.0.0 (2018-07)53GPP TR 26.907 version 15.0.0 Release 151 Scope The present document is a study of existing scene description solutions for 3GPP services and an evaluation of HTML5 as an alternative and unified solution for providing a presentation layer for 3GPP se

25、rvices. 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, edition number, version number, etc.) or non-specific. - For a specific reference

26、, 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 version of that document in the same Release as the present document. 1

27、W3C Candidate Recommendation 6 August 2013, HTML5: “A vocabulary and associated APIs for HTML and XHTML“, http:/www.w3.org/TR/html5/. 2 W3C Candidate Recommendation 6 August2013: “HTML Canvas 2D Context“, http:/www.w3.org/TR/2dcontext/. 3 W3C Recommendation 24 October 2013: “Geolocation API Specific

28、ation“, http:/www.w3.org/TR/geolocation-API/. 4 W3C Candidate Recommendation 11 December 2012: “Server-Sent Events“, http:/www.w3.org/TR/eventsource/. 5 W3C Candidate Recommendation 20 September 2012: “The WebSocket API“, http:/www.w3.org/TR/websockets/. 6 W3C Recommendation 30 July 2013: “Web Stora

29、ge“, http:/www.w3.org/TR/webstorage/. 7 W3C Working Draft 6 December 2012: “XMLHttpRequest Level 1“, http:/www.w3.org/TR/XMLHttpRequest/. 8 W3C Candidate Recommendation 01 May 2012: “Web Workers“, http:/www.w3.org/TR/workers/. 9 3GPP TS 26.234: “Transparent end-to-end Packet-switched Streaming Servi

30、ce (PSS); Protocols and codecs“. 10 3GPP TS 26.346: “Multimedia Broadcast/Multicast Service (MBMS); Protocols and codecs“. 11 3GPP TS 26.247: “Transparent end-to-end Packet-switched Streaming Service (PSS); Progressive Download and Dynamic Adaptive Streaming over HTTP (3GP-DASH)“. 12 3GPP TS 26.114:

31、 “IP Multimedia Sybsystem (IMS); Multimedia Telephony Media handling and Interaction (MTSI)“. 13 3GPP TS 26.140: “Multimedia Messaging Service (MMS); Media formats and codecs“. 14 3GPP TS 26.246: “Transparent end-to-end Packet-switched Streaming Service (PSS); 3GPP SMIL language profile“. 15 WAP For

32、um Specification: “XHTML Mobile Profile“, October 2001. 16 3GPP TS 26.142: “Dynamic and Interactive Multimedia Scenes (DIMS)“. 17 W3C Candidate Recommendation 09 January 2014: “Media Source Extensions“, http:/www.w3.org/TR/media-source/. ETSI ETSI TR 126 907 V15.0.0 (2018-07)63GPP TR 26.907 version

33、15.0.0 Release 1518 Void 19 ISO BMFF Byte Stream Format, http:/www.w3.org/2013/12/byte-stream-format-registry/isobmff-byte-stream-format.html 20 W3C Working Draft 18 February 2014: “Encrypted Media Extensions“, http:/www.w3.org/TR/encrypted-media/ 21 W3C Candidate Recommendation 09 May 2013: “HTML M

34、edia Capture“, http:/www.w3.org/TR/2013/CR-html-media-capture-20130509/. 22 W3C Recommendation 17 December 2012: “Navigation Timing“, http:/www.w3.org/TR/navigation-timing/. 23 Khronos Group, 01 March 2013, WebGL Specification, version 1.0.2, https:/www.khronos.org/registry/webgl/specs/1.0/. 24 W3C

35、Last Call Working Draft, 25 March 2014: “Web Cryptography API“, http:/www.w3.org/TR/WebCryptoAPI/. 25 W3C Candidate Recommendation 04 July 2012: “Indexed Database API“, http:/www.w3.org/TR/IndexedDB/ 26 IETF RFC 5261: “An Extensible Markup Language (XML) Patch Operations Framework Utilizing XML Path

36、 Language (XPath) Selectors“. 3 Definitions and abbreviations 3.1 Definitions For the purposes of the present document, the terms and definitions given in TR 21.905 1 and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in TR

37、21.905 1. 3.2 Abbreviations For the purposes of the present document, the abbreviations given in TR 21.905 1 and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905 1. API Application Programming Int

38、erface CSS Cascading Style Sheet DIMS Dynamic and Interactive Multimedia Scenes DOM Document Object Model EME Encrypted Media Extensions HTML5 Hyper-Text Mark-up Language ISO BMFF ISO Base Media File Format MBMS Multimedia Broadcast/Multicast Service MMS Multimedia Messaging Service MSE Media Source

39、 Extensions PSS Packet-switched Streaming Service RAP Random Access Point RTC Real-Time Communications RTP Real Time Protocol SMIL Synchronized Multimedia Integration Language SSE Server-Sent Events SVG Scalable Vector Graphics XML EXtensible Markup Language ETSI ETSI TR 126 907 V15.0.0 (2018-07)73G

40、PP TR 26.907 version 15.0.0 Release 154 Introduction 4.1 HTML5 4.1.1 Introduction HTML5 was specified with the target of creating convergence among a wide range of interoperable browsers, which resulted from proprietary extensions of earlier HTML versions to fill identified gaps. HTML5 also defines

41、and for the first time error handling procedures to deal with document processing errors to help circumvent minor but common syntactical mistakes. As part of the simplicity goal, HTML5 aims at operating in a plugin-free environment by providing APIs to fulfil most of the plugin needs. Finally, HTML5

42、 aims at simplifying the syntax to ease authoring of web applications. 4.1.2 New Tags HTML5 defines a set of new elements that are discussed in the following list: - Video: a standard way to embed video content on a web page without using browser plugins. The playback controls are provided through J

43、avascript. - Audio: a standard way to embed audio content on a web page without using browser plugins. - Canvas: a resolution-dependent bitmap canvas together with scripts that are used for rendering graphs, game graphics, or other visual images on the fly. - Svg: HTML5 provides support for inline S

44、VG fragments as well as a fallback mechanism for browsers that do not support SVG. - Article: specifies independent self-contained content. An article should make sense on its own and should be distributable independently from the rest of the site. - Header: specifies a header for a document or sect

45、ion. This element should be used as a container for introductory content or set of navigational links. - Footer: defines a footer for a document or section. A footer element should contain information about its containing element. - Output: represents the result of a calculation. - Source: is used t

46、o specify multiple media resources for media elements such as video and audio. The source tag allows to specific alternative video/audio files, which the browser may choose from, based on its media type or codec support. - Time: defines either a time or a date in the Gregorian calendar, optionally w

47、ith a time and time-zone. - Input/capture: although the tag is not new for HTML5, the capture attribute is. This allows for media capture and file upload 21. ETSI ETSI TR 126 907 V15.0.0 (2018-07)83GPP TR 26.907 version 15.0.0 Release 154.1.3 New HTML5 APIs 4.1.3.1 Introduction HTML5 can be consider

48、ed as an umbrella set of specifications, that includes the markup language specification and additionally a wide range of APIs. The following sections briefly introduce the APIs that are currently part of HTML5. Only specifications that have reached Candidate Recommendation status in the W3C are des

49、cribed. However, several specifications under development related to areas such as local media capture, peer-to-peer real time communications (WebRTC), sensors (proximity, gyroscope, etc.), rich audio processing, and technologies impacting mobile devices should be considered for any 3GPP presentation layer in the near future. 4.1.3.2 Canvas API The canvas API 2 defines a canvas element and a set of drawing operations. A canvas element creates a rectangular area on the page. Javascript is used to pe