1. International Telecommunication Union Mar del Plata, Argentina, 2 September 2009 Multimedia Application Framework Q13/SG16 Marcelo Moreno Multimedia Networking Researcher TeleMidia Lab - PUC-Rio moreno@telemidia.puc-rio.br Seminar on ITU-T hot topics for Standardization (Mar del Plata, Argentina, 2 September 2009)

2. International Telecommunication Union Mar del Plata, Argentina, 2 September 2009 2 Introduction Multimedia Applications for IPTV Interactivity Services Games And more…

3. International Telecommunication Union Introduction IPTV set-top boxes Multiple vendors Multiple platforms Multimedia Applications must be platform-independent Interoperability is mandatory Content creators/providers need a common application framework Mar del Plata, Argentina, 2 September 2009 3

4. International Telecommunication Union H.IPTV-MAFR ITU-Ts effort to identify and harmonize the relevant multimedia application frameworks Established technologies New emerging technologies Question 13, Study Group 16 Multimedia application platforms and end systems for IPTV Mar del Plata, Argentina, 2 September 2009 4

5. International Telecommunication Union H.IPTV-MAFR Set-top box vendors will be able to compete in multiple markets Migration between markets is supported choosing well-known MAFR standards Hybrid set-top boxes Component-based engines Configurable systems Content interchange Mar del Plata, Argentina, 2 September 2009 5

6. International Telecommunication Union H.IPTV-MAFR MAFR can be classified by the authoring paradigm Declarative Application Frameworks e.g.: HTML, BML, SVG, NCL… Procedural Application Frameworks e.g.: Java (MHP)… 2 recommendations approved 13 working documents Mar del Plata, Argentina, 2 September 2009 6

7. International Telecommunication Union H.760 (ex-H.IPTV-MAFR.0) H.760 - Overview of multimedia application frameworks for IPTV services Identifies and briefly describes the relevant standards of multimedia application frameworks Interoperability and harmonization in IPTV services Mar del Plata, Argentina, 2 September 2009 7

8. International Telecommunication Union H.760 (Overview) Declarative application frameworks: BIFS, BML, CEA-2014, CSS, DOM, DVB- HTML, EcmaScript, HTML, LASeR, MHEG-5, NCL, SVG, WTML Procedural application frameworks GEM-based frameworks, M3W Annex A describes common usage of web-related technologies (HTML, DOM, CSS, EcmaScript) Mar del Plata, Argentina, 2 September 2009 8

9. International Telecommunication Union H.761 (ex-H.IPTV-MAFR.9) Nested Context Language (NCL) and Ginga-NCL for IPTV services NCL is a glue language that holds media together in a multimedia presentation, describing relationships among media objects in time and space XML-based, high-level constructs Ginga-NCL is an NCL presentation engine built as part of an IPTV middleware Mar del Plata, Argentina, 2 September 2009 9

10. International Telecommunication Union H.761 (NCL) NCL highlights: Code reuse Multidevice support (in a home network) Content adaptability Spatiotemporal media synchronization No restrictions about media objects Procedural code handled as a media object. Native scripting in Lua Open-source reference implementation Mar del Plata, Argentina, 2 September 2009 10

11. International Telecommunication Union H.IPTV-MAFR.1 Binary Format for Scene for IPTV Scene description language, a part of MPEG-4 standard. Designed to allow for the efficient representation of dynamic and interactive presentations Description of the spatial and temporal organization of the different scene components. Mar del Plata, Argentina, 2 September 2009 11

12. International Telecommunication Union H.IPTV-MAFR.2 Broadcasting Markup Language for IPTV (BML) Declarative application specification for multimedia broadcasting in Japan Standardized by ARIB. BML consists of XHTML, CSS, Document Object Model (DOM) and ECMAScript. BML defines additional API and objects for IPTV using ECMAScript. Mar del Plata, Argentina, 2 September 2009 12

13. International Telecommunication Union H.IPTV-MAFR.3 CEA-2014 for IPTV Remote User Interface specification Allows a user interface to be remotely displayed on devices. Based on existing web technologies XHTML, EcmaScript, CSS and DOM 2. It is a web based protocol and framework for Remote user interface (UI) on UPnP Home Network and over Internet. Mar del Plata, Argentina, 2 September 2009 13

14. International Telecommunication Union H.IPTV-MAFR.4 Cascading Style Sheet for IPTV CSS is a Style sheet language by W3C Used to describe the presentation of a document written in a markup language. A CSS can be either linked to a document through a URI or included in the document. Does not constitute by itself a MAFR Mar del Plata, Argentina, 2 September 2009 14

15. International Telecommunication Union H.IPTV-MAFR.5 Document Object Model for IPTV Platform-, language-neutral interface Allows programs and scripts to dynamically access and update the content and structure of documents. It does not constitute by itself multimedia framework but is used with some markup languages. Mar del Plata, Argentina, 2 September 2009 15

16. International Telecommunication Union H.IPTV-MAFR.6 ECMAScript for IPTV Scripting language by ECMA Used on the Web and supported in many applications Included as a component in many presentation engines (PE) such as BML and DVB-HTML Mar del Plata, Argentina, 2 September 2009 16

17. International Telecommunication Union H.IPTV-MAFR.7 LASeR and SAF for IPTV MPEG-4 Part 20, designed for representing and delivering rich-media services to resource-constrained devices It defines two binary formats: LASeR, a binary format for encoding 2D scenes; and SAF, a binary format for aggregating in a single stream LASeR content with audio/video streams. Mar del Plata, Argentina, 2 September 2009 17

18. International Telecommunication Union H.IPTV-MAFR.8 MHEG-5 for IPTV Represents an application as a set of scenes based on synchronization and spatial-temporal relationships of multiple media formats It supports structural composition, event-action associations, navigation, and user interaction capabilities. Mar del Plata, Argentina, 2 September 2009 18

19. International Telecommunication Union H.IPTV-MAFR.10 Scalable Vector Graphics for IPTV Describes 2D graphics and graphical applications in XML. Allows for three types of graphic objects: vector graphic shapes, images and text. Drawings can be interactive and dynamic. Animations can be defined and triggered either declaratively or via scripting Mar del Plata, Argentina, 2 September 2009 19

20. International Telecommunication Union H.IPTV-MAFR.11 Worldwide TV Markup Language IPTV Content format for delivery using Internet Servers. Supports key features to enable service- oriented applications. Platform comprises a micro-browser and a markup language (WML 1.3 spec). User agent behavior is more sophisticated than a standard internet based HTML browser. Mar del Plata, Argentina, 2 September 2009 20

21. International Telecommunication Union H.IPTV-MAFR.12 MPEG Multimedia Middleware IPTV M3W Multimedia platform API defines mainly audio and video processing APIs handling front-end, decoders and post- processing of A/V. M3W Multimedia APIs offer a high-level API that is independent of the target hardware. Focus on MPEG technologies. Mar del Plata, Argentina, 2 September 2009 21

22. International Telecommunication Union H.IPTV-MAFR.13 HTML for IPTV Hypertext Markup Language XHTML DHTML HTML profile for IPTV Mar del Plata, Argentina, 2 September 2009 22

23. International Telecommunication Union H.IPTV-MAFR.14 Lua for IPTV services Extension programming language to support procedural programming with data description facilities. Lua is intended to be used as a powerful, lightweight scripting language. Lua engine is small and easily portable to several hardware platforms. The Lua engine is distributed as free software under the MIT license. Mar del Plata, Argentina, 2 September 2009 23

24. International Telecommunication Union Final Remarks Market is in serious need of standardized interoperable solutions. Interoperability will provide benefit for all and encourage growth of the multimedia application market. The H.760 recommendation series standardizes the relevant MAFR technologies. Mar del Plata, Argentina, 2 September 2009 24

25. International Telecommunication Union Final Remarks Interoperability is achieved through configurable platforms that can be adapted to specific MAFR subsets. The use of standardized, media- independent glue language is also a good solution for interoperability and harmonization. MAFR discussions are under way in Q13/SG16, a highly active question. Mar del Plata, Argentina, 2 September 2009 25

26. International Telecommunication Union Mar del Plata, Argentina, 2 September 2009 Thank you Marcelo Moreno Multimedia Networking Researcher TeleMidia Lab - PUC-Rio moreno@telemidia.puc-rio.br Seminar on ITU-T hot topics for Standardization (Mar del Plata, Argentina, 2 September 2009)