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1、Android For Home CONFIDENTIAL 1 Strategic Software Alliances ARM Agenda ?DTV Software Trend ?Rational behind Android for TV ?Adapting Android for TV ?Android for TV vs. GoogleTV ?ARM enabling activities ?Android on ARM for TV Examples CONFIDENTIAL 2 ?Android on ARM for TV Examples ?Conclusions CONFI
2、DENTIAL 3 DTV SOFTWARE TREND Driving Factors Behind Emerging DTV Requirements Home S/W Architecture Fragmented ?Fragmentation from kernel variation and middleware ?Linux most common TV/STB software base ?Open Source packages widely deployed ?Private and Open middleware platforms coexists ?No common
3、application ecosystems ?Lack of unified application framework Lack of standard middleware stack for internet connectivity CONFIDENTIAL 4 ?Lack of standard middleware stack for internet connectivity ?Move away from walled garden content to increasingly TV friendly internet content requires integratio
4、n and updating to latest standards Projections of greater than 50% TV connectivity by 2013 Home S/W Architecture Unifying Trends Application Middleware/VM More Open More Uniform More Powerful More Connected CONFIDENTIAL 5 Middleware/VM BSPKernel Future Home S/W Architecture Concept Application Webki
5、tJavaScript 2D/3D Graphic JVM/Network TV AppEPGVODGameBrowser Adobe Flash Netflix/YouTube Xunlei HTML5More 3rdapps ?More shared middleware ?Common application framework ?Greater focus on differentiation at UI and app level CONFIDENTIAL 6 Middleware/VM BSP Kernel Multimedia Framework AV Codecs DemuxS
6、I/PSICA DTV/STB stack 3rdlibs plugin app level ?Guide UI ?Video conferencing ?Games ?Content stores ?Etc CONFIDENTIAL 7 ANDROID FOR TV Rational Behind Android for TV Addressing TV/STB Software Trends ?Advantages of Android for Home ?Complete solution for CE devices ?Linux Kernel ?Middleware includin
7、g Graphic, Multimedia, Webkit, Dalvik, ?Robust reusable application framework, developer tools ?Open source solution ?Customizable CONFIDENTIAL 8 ?Customizable ?Apache 2.0 is business friendly ?Extensive ARM support ?Disadvantages ?No standardized app framework ?Not designed for TV ?Google controlle
8、d ?Impact of GoogleTV Google Targets Multiple Devices w/Android clair (2.0/2.1)FroYo (2.2) Gingerbread (2.3) HoneyComb (3.0) CONFIDENTIAL 9 (1.0) Modified Android forms the base of GoogleTV CONFIDENTIAL 10 ADAPTING ANDROID Adapting Android for the TV ?UI, graphics and input methods for 10ft user exp
9、erience ?Display Resolution : 720P/1080P ?OSD Color depth : 16bit(rgb565) - 32bit ?UI layout : for Home user habit/style ?Touch screen - remote controller ?2D .rmvb) Ogg(.ogg) CONFIDENTIAL 17 Android 3.0Android TV Extension(e.g) 3GPP (.3gp) MPEG-4 (.mp4, .m4a) WebM (.webm) AVI(.avi) Quicktime(.mov)
10、Flash(.flv) Matroska(.mkv) ASF (.asf) Ogg (.ogg) RealTime(.rm;.rmvb) Additional Audio Codec need by Android TV Android 3.0Android TV Extension(e.g) AAC LC/LTP AMR-NB/WB HE-AACv1 (AAC+) HE-AACv2 (enhanced AAC+) MIDI MP3 Ogg Vorbis PCM/WAVE AAC LD AC3 Dolby Digital AC3 5.1 Dolby Digital Plus Dolby Tru
11、eHD DTS 5.1 DTS Master iLBC CONFIDENTIAL 18 PCM/WAVEiLBC WMA2 Android 3.0Android TV Extension(e.g) AAC LC/LTP AMR-NB/WB AAC LD Dolby Digital AC3 5.1 DTS 5.1 iLBC Additional Video Codec need by Android TV Android 3.0Android TV Extension(e.g) H.263 H.264 AVC Baseline Profile MPEG-4 Part2 Simple Profil
12、e VP8 H.264 AVC Main Profile H.264 AVC High Profile MPEG-4 Part2 Advanced Simple Profile VC-1 Simple, Main, Advanced, WM advanced Theora RealVideo CONFIDENTIAL 19 Android 3.0Android TV Extension(e.g) H.263 H.264 AVC Baseline Profile H.264 AVC Main Profile Options to Enhance Multimedia Framework ?Opt
13、ion 1: Adapt OpenCore or Stagefright for Home requirements ?Option 2: Port other mature, robust media library into Android, such as Gstreamer Android-Gstreamer Media Player Service Stage fright Media Player OMX Gst-openmaxGst FFmpeg plug-in CONFIDENTIAL 20 Android, such as Gstreamer ?Option 3: integ
14、rate/develop your own Concrete Player to apply direct JNI call Bellagio CodecsCodecsFFmpeg Codecs Your own concrete player Media Player Service Media Player ?OTT streaming & OTT download ?Android naturally supports ?DTV/STB Stack (DVB/ATSC/DTMB/) ?No inherent DTV/STB support in Android ?No inherent
15、DTV/STB APIs in Android SDK DTV/STB stack/app integration DTV/STB Stack Additions EPGTuningEPGEPGTuningTuning CONFIDENTIAL 21 ?DTV/STB stack/app integration ?Demux/SI/PSI/DSMCC/CA/EPG/ Tuning ?APIs for DTV/STB ?Modifications are highly SoC and OEM/operator specific DemuxCASI PSIDSMCC DTV/STB Manager
16、 DTV/STB APIs EPGTuning DemuxDemuxCACASISI PSIPSIDSMCCDSMCC DTV/STB Manager DTV/STB Manager DTV/STB APIsDTV/STB APIs EPGEPGTuningTuning SDK for Android TV ?Extend SDK for Android TV ?Add TV related APIs/Packages, e.g Package nameDescription Android.tv.osdProvide APIs for draw OSD, e.g program bar/Input label Android.tv.mediaProvides controls and events for the management of real-time media in a television environment. AProvides access to IP datagrams transmitted i
