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ITU-T H.760 Series Multimedia Application Framework
ITU-T H.761 NCL and Ginga-NCL
Marcelo Moreno UFJF/PUC-Rio, Brazil
ITU-T Q13/16 Associate Rapporteur
Workshop on Harmonization of Web and IPTV technologies Rio de Janeiro, 19 July 2011
ITU-T H.760 Series Multimedia Application Frameworks (MAFR)
Workshop on Harmonization of IPTV and Web technologies
IPTV Multimedia Applications
• Resident • Applications installed by the manufacturer. EPG UI.
• Installable applications • Applications that can be installed by the user.
• Runs locally, may access remote data. Widgets.
• Not installable, pulled applications • Online-available applications.
• Request comes from terminal. Portals.
• Not installable, pushed applications • Available applications sent to the terminal with no request.
• Broadcast applications. Content-related.
Workshop on Harmonization of IPTV and Web technologies
MAFR Series
• H.761 – Ginga-NCL Nested Context Language
• H.762 – LIME Lightweight Multimedia Environment
• H.763.1 – CSS Cascaded Stylesheets
• MAFR.6 – EcmaScript
• MAFR.10 – SVG Scalable Vector Graphics
• MAFR.14 – Lua scripting language
Workshop on Harmonization of IPTV and Web technologies
Common MAFR Suite
5
ITU-T H.761 Nested Context Language (NCL) and Ginga-NCL
Workshop on Harmonization of IPTV and Web technologies
7
Requirements Synchronization
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Requirements Synchronization
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Requirements Interactivity
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Requirements Interactivity
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Requirements Content Adaptation
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Requirements Content Adaptation
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Requirements Single Device
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Requirements Single Device, Live content
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Requirements Multiple Devices
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Requirements Multiple Devices
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Requirements Multiple Devices
What is NCL
Workshop on Harmonization of IPTV and Web technologies
What is NCL
<head>
<regionBase>...
</regionBase>
<descriptorBase>...
</descriptorBase>
<connectorBase>...
</connectorBase>
</head>
<body>
<port id=”pMain" component="video1" />
<!-- nodes -->
<!-- links -->
</body>
body 2
head 1
regions - where
descriptors - how d1 d2 d3
Contexts & media – what video1
imagem1
audio1
connectors - when onEndStart E S
onEndStart E S
onEndStart E S
Links - when
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