"user manual"
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1. H 23 7 Main Functions merce m 23 23 06 2003 v1 2 Page 4 of 24 IST 2001 37613 6POWER D4 3 Set Top Box HW and SW Specification 7 3 VGUIBIDIEL BUTIDVESE ORT DIETO ETUDES 7 4 Connectivity NR CE T TRI s A 23 06 2003 v1 2 Page 5 of 24 IST 2001 37613 6POWER D4 3 Set Top Box HW and SW Specification Figure 2 1 Figure 2 2 Figure 2 3 Figure 2 4 Figure 2 5 Figure 3 1 Figure 7 1 Table of Figures Summary of the STB eerie en aote eon eed n een nano de Ene vio ia n crseathecdstens 8 STB Block Diagrarrn 1 5 etie ed ote rota eee eite een Ln nni na nhu na nil in oe epa anon 9 ATI Xilleon 220 Features 5 nue eius cete deo ora ea da ye kn a ra RID a gage oER Rande 10 Media Processor Features 1 el eaicc ies ee it ka en auae edat adeo Dual aa gn na aaa duan ka paa ad ano 10 Media Processor Features sees einen nana nun ana nua aa nana aa a4 pa aa 444 RR E44 4 RAE A420 11 System Architecture erii eoo eerie ne eiii en enano rena ener sean to enano rents 16 IP440 VISIT CE 23 23 06 2003 v1 2 Page 6 of 24 IST 2001 37613 6POWER D4 3 Set Top Box HW and SW Specification 1 INTRODUCTION WP4 aims at designing and developing the devices able to support a large IPv6 deployment over PLC These developments include the Head End the Home Gateway a Set Top Box and some adaptations for end devices2. I O Interfaces PCI bus interface IEC958 audio interfaces I2S interfaces Two DVB transport channel interfaces or One DVB compliant transport channel interface and one ITU 601 656 interface or Two ITU 601 656 interfaces or Anyone of the above and one general data port One ITU 601 656 video output or one general data port Display refresh controller with on chip color space conversion palette table lookup alpha blending and hardware cursor I2C interface Flash ROM EEPROM interface Figure 2 5 Media Processor Features The Xilleon 220 incorporates support for two I2C buses Devices connected via the I2C buses include the modulators front panel PIC Zoran audio DSP and the A V MUX chip 2 4 Memory Architecture The IP440PAL includes 64 Mbytes of DRAM and 16 Mbytes of non volatile flash memory as the main memory elements The main flash part is a 16M 16 777 216 x8bit NAND Flash Memory with a spare 512K 524 288 x8bit Its NAND cell provides the most cost effective solution for the solid state mass storage market 2 5 Power Supply The Set top Box will be designed to be energy efficient consuming no more than 15Watts A switched mode PSU is employed to provide stabilized DC voltages The power supply is designed to be flexible to provide for variable input voltage between 90 and 265v ac Input frequency may be between 47 and 63 Hz Rigorous line surge tests are applied 2 6 Hardware Interfaces 2 6 1 RF Interfaces
3. 2 1 and listed as SDK tools and tool chain See also the Pace document describing this Software Development Kit Reference 4 The secure web site noted in Section 2 1 contains server and client side software which is available to authorized users only There are various possible mechanisms for installing this software Normally as far as the 6POWER is concerned we anticipate to install the main STB operating software in the STB flash memory to install any specific software on a boot server at the head end and to use the boot server to upgrade the main STB software for any specific 6POWER software requirements The figure below indicates the main software modules and inter relationships The OS kernel is a derivative of the Linux kernel V2 4 see www linux mips org The main Pace authored middleware is the Media Control Core MCC accessible through javascript extensions available within the NC browser 3 20 Network Stack The network stack consists of the ethernet driver software together with data handling and routing software The basic configuration is for UDP TCP IP and with packet headers indicating routing of the data flows to the control and video elements of the complete software stack The network stack in the product as currently available is IP4 capable There are a number of options for rewriting this as an IPv6 network stack and the preferred route will be chosen in the next few weeks so that work can progress 3 3 Control
4. The function must be enabled and would normally be so only for those operators who have a valid license with Macrovision to use the facility Once the facility is enabled the Pace software provides for the necessary security calls and links to the Display Manager 3 5 Browser Pace use the NCFresco browser referred to as Fresco 4 This browser provides for a range of features and is designed specifically for display on a standard TV screen The browser provides the following functionality e HTML 4 e Tables frames forms cookies e Dynamic Horizontal and Vertical scaling e Unicode e Video embedded in web page e Multiple windows e Various levels of color transparency e Graphic highlight e GIF JPEG e Cascading Style sheets e Document Object Model e HTTP 1 1 23 06 2003 v1 2 Page 17 of 24 IST 2001 37613 6POWER D4 3 Set Top Box HW and SW Specification Keep alive Server push SSL Full details can be found in documents pointed out in the references section 3 6 Drivers Apart from elements already described above selected drivers can be listed as 3 7 Ethernet port via standard Linux IP network stack Smartcard reader general purpose port via hardware provider s APIs Smart card reader driver is provided to enable test of card reading ability USB port via Linux USB interface provides USB keyboard support Graphics both 2D and 3D via hardware provider s APIs IR transmit recei
5. Deliverable D4 3 focus on hardware and software specification of the Set Top Box The Set Top Box STB is the equipment that brings IP services to the Home focusing on the TV service The device has been designed based on two core silicon processors supported by the Linux operating system with internal communication carried out using a PCI bus The main processor is an application specific integrated circuit designed to carry out all core set top box functions within a single chip This is supported by a digital signal processing unit a very high performing processor that carry out media decoding with the exception of MPEG 1 and MPEG 2 video which is carried out by the central processor by executing software based decode algorithms Below is a list that describes some of the services supported by this digital set top box Digital TV Live TV Video On Demand Web Browsing Digital Music Services E Commerce Video on Demand Digital Music services Gaming Rich Electronic Programme Guide based customer experience PC Data communications Server based Applications The core of the Set Top Box has become available over the first months of the project and is now available for conversion to provide a version suitable for use over IPv6 networks 23 06 2003 v1 2 Page 7 of 24 IST 2001 37613 6POWER D4 3 Set Top Box HW and SW Specification 2 HARDWARE SPECIFICATION This section describes the IP440PAL
6. Development Kit SDK and tool chain which is available on the secure web site detailed in Section 2 1 above 2 3 2 Media Processor The IP440PAL includes a high speed Media Processor the Equator MAP CA broadband signal processor This processor is specialized in video processing operations and is available to provide the capability of delivering high quality video pictures from a number of different codec s CPU Features VLIW processor capable of operating at 1500 MIPS This VLIW processor consists of four 32 bit ALUs one hundred and twenty eight 32 bit general purpose registers thirty two 1 bit predicate registers and eight special 128 bit registers The VLIW core also contains a number of instruction and data caches each of which is 32 KB in size Figure 2 4 Media Processor Features In addition to this the MAP CA also consists of four coprocessors The main features of these are summarized below 16 bit RISC processor featuring variable length decoding Supported by data and instruction memory each of which are 4 KB long 23 06 2003 v1 2 Page 10 of 24 IST 2001 37613 6POWER D4 3 Set Top Box HW and SW Specification Video filter with 6 KB line buffer memory capable of three different tap configurations Programmable data streamer for sixty four channel DMA access with 8 KB buffer memory DES support 2 3 3 Media Subsystem Features The I O interfaces are depicted in the following table
7. Software Network Boot and system management modules provide a means to self test the box and boot upgrade over the network connection via DHCP LAN Manager NFS and TFTP protocols as a client The main Pace middleware is a media control software stack for streaming media and VOD support Middleware access to the OS driver layer and the stack will be provided as an API in C with a subset of the API also implemented in Javascript 23 06 2003 v1 2 Page 14 of 24 IST 2001 37613 6POWER D4 3 Set Top Box HW and SW Specification The JavaScript Extension Interface provides a set of methods and interactions to expose the functionality of the underlying control system These JavaScript methods allow the browser to interact with the Media Control Core Controller and are compiled into the NCFresco binary image It is assumed that the user preparing for demonstrations or more comprehensive implementations of User Interface is familiar with the basics of JavaScript in particular ECMAScript and the NOMBAS JavaScript Extensions API IP500 Media Control Core Controller is an important software module with important applications throughout the operation of the product Logical components of the Media Control Core include the Controller and all underlying transforms This logical block is concerned with the creation and control of data flows through the system Communication between the Controller and the Display Manager allows the Controller t
8. model hardware including mechanical characteristics and the various hardware subsystems Note that similar models also exist including IPSOOPAL and IP420NT each of which contain most of the facilities described below These models may also be used within the 6POWER to meet particular requirements 2 Mechanical Characteristics The unit is housed in a 3 part cabinet with plastic front and metal external parts on all five other faces The overall dimensions width x height x depth are as 305 x 65 x 220 mm The cabinet is colored light silver grey for use in a consumer environment associated to the household TV set The product may be used in association with a number of IP gateways into the home In particular it can be used connected to an ADSL modem a VDSL modem or importantly for the GPOWER Project used with a Power Line Modem A summary of the STB is depicted in the following table Front Buttons 1 standby Red green LED IR input capability for keyboard mouse type RCMM and RCU typ RC5 Rear Mains power 2 pin connector HF input RF output USB Connector may be used with mouse and USB keyboard Smart card slot Reset button 2 SCART connectors European model One triple Phono connector for AV out SP DIF Phono RJ45 socket for Ethernet NIC connection Test task As TWC 3 pin HDR behind metal flap Handset IR Remote Handset with TV control capability most brands Additional Items Included in 1 8
9. 03 2003 Document creation Jean Micka l Gu rin WIND v1 1 19 06 2003 First full draft of complete document David Leslie Pace v1 2 23 06 2003 Final review Jordi Palet Consulintel 23 06 2003 v1 2 Page 2 of 24 IST 2001 37613 6POWER D4 3 Set Top Box HW and SW Specification Executive Summary The IP440PAL is a Set Top Box designed for use in a consumer environment and able to deliver a range of video based consumer services Within the 6POWER group Pace is involved to convert the product to provide typical video services using IPv6 network protocols rather than the current IPv4 This section describes the overall Hardware and Software specification of the unit together with some information on how the software is being upgraded to operate with IPv6 networks During the later stages of the project it is intended to demonstrate live TV and video on demand operating over IPv6 networks At this stage the specifications below are intended to assist other GPOWER partners to understand the integration and demonstration requirements and capabilities of the STB product concerned We would expect to redraft this specification before completion of the Pace works in the project so as to reflect the IPv6 product and capabilities generated under this activity 23 06 2003 v1 2 Page 3 of 24 IST 2001 37613 6POWER D4 3 Set Top Box HW and SW Specification Table of Contents HEEL 0000 PT 7 2 Hardware Specificat
10. 7 gt Information Society Technologies r Title Document Version Deliverable D4 3 12 Set Top Box HW and SW Specification f Project Number Project Acronym Project Title IST 2001 37613 6POWER IPv6 QoS amp Power Line Integration Contractual Delivery Date Actual Delivery Date Deliverable Type Security 31 03 2003 23 06 2003 R PU Type P Prototype R Report D Demonstrator O Other Security Class PU Public PP Restricted to other programme participants including the Commission RE Restricted to a group defined by the consortium including the Commission CO Confidential only for members of the consortium including the Commission Responsible and Editor Author Organization Contributing WP Jean Micka l Gu rin 6WIND WP4 Authors organizations Jordi Palet Consulintel David Leslie Pace Abstract This document outlines the hardware and software specifications for the IPv6 version of the IP440PAL Set Top Box product which Pace is developing under the 6POWER project Keywords Hardware Network Stack Software Video Stream 6POWER Consortium IST 2001 37613 6POWER D4 3 Set Top Box HW and SW Specification Revision History The following table describes the main changes done in this document since its creation Revision Date Description Author Organization v1 0 11
11. Back Panel A UHF Loop though modulator Functional Specification UHF Modulator European Only 23 06 2003 v1 2 Page 11 of 24 IST 2001 37613 6POWER D4 3 Set Top Box HW and SW Specification The unit can be selected by software to function on TV system I B G or L This unit contains a modulator able to output on channels 21 69 It provides an RF output for the video and audio signals produced by the STB The unit has an Antenna input which is amplified and looped through to the output whilst the STB is powered 2 5 1 TV SCART Connectors TV SCART will provide Composite and RGB video out Audio out will be volume controlled CVBS status switching on pin 8 will be supported as will RGB status switching on pin 16 VCR SCART will be capable of providing a clean video signal with no on screen graphics and the audio will not contain any Computer generated sounds so providing a claen AV source for the VCR There is no volume control or mute function on VCR audio Inputs from the VCR SCART can be directed to the TV SCART when the STB is in Standby or when VCR SCART pin 8 CVBS status switch is asserted high 2 5 2 Video and Audio Connectors Back Panel The audio L R output gives an identical audio output to the TV SCART audio output It is affected by the mute and volume control commands The video output is a standard composite video output labeled video output and colored yellow 2 5 3 Smart Card Reader At the rear of the I
12. HDTV2 Video Davicom MPEG Decoder Secondary CVBS Y C Mux Ethernet 1 Primary Audio Video X220 or X225 or X215 gt AKM4351 Primary Audio Secondary Output L R p LES ge Audi DAC p Ay Horry B VCR SCART PCI dev 3 3V3 Primary Audio Video PCI Expansion 1 RF Modulator PCI dev 1 TEE SP DIF SERIAL 35mm Stereo Jack MAP BSP PHONO USB 1 1 UF M Rear USB Connector 5V Power switch RCMMIRC5 PIC Microcomputer Front panel gt switches IR RX Figure 2 2 STB Block Diagram 2 2 Overall Configuration 2 3 Core Processors The IP400 product family will contain two media processors the ATI Xilleon 220 and the Equator Technologies MAP CA optional The next few sub sections describe the main features and interfaces of each 2 3 1 ATI Xilleon 220 This component includes a core MIPS processor together with a number of other elements to provide many of the elements of a Set Top Box on a single Integrated Circuit The main elements are depicted in the following table CPU Features 280 MHz MIPS based core running in Solo mode EJTAG interface Programmable power management features Virtual memory management unit 23 06 2003 v1 2 Page 9 of 24 IST 2001 37613 6POWER D4 3 Set Top Box HW an
13. P440 is a slot for insertion of a smart card The card reader is ISO IEC 7816 parts 1 to 3 compliant and this interface may be used either for content security systems or else for secure commerce applications 2 5 4 10 100BaseT Ethernet This port provides for a 10 100Base T ethernet connection and half full duplex are auto negotiated 2 5 5 RS232 Serial Port Test Task This port is provided to support factory test task and after sales service requirements It can also be used with certain software builds and a proprietary cable for PC connection to the STB operating software 2 5 6 USB Port The USB port provides for the USB V1 1 standard Maximum data rate is 12 MBPS and the interface is tested with mouse and keyboard USB drivers 2 5 7 Remote Control and LEDs The remote control and front panel buttons of the IP400 are controlled by a PIC microcontroller The PIC is required to receive and decode both the RCMM and RCS protocols for transmission of IR data The IR commands are then serially transmitted to the IR port of the Xilleon 220 The PIC is also responsible for the control of the front and rear panel switches and LED The front panel button is for standby and the rear panel button is for reset The Led on the front panel illuminates the standby switch so that green is for on and red orange is for standby 23 06 2003 v1 2 Page 12 of 24 IST 2001 37613 6POWER D4 3 Set Top Box HW and SW Specification 2 6 Hardware Perfor
14. be upgraded and changed These include mainly the two elements of Ethernet driver and Network stack Server to STB communications Boot server and or Video server The benefits of moving to an IPv6 environment can be summarized as e Volume deployment of STB can be achieved without adding the complications of NATing network address translation since a much larger number of IP addresses are available e QoS will allow a much better quality video experience given the QoS standards available within the IPv6 standard e Other benefits of IPv6 already discussed in detail elsewhere An additional important benefit inherent in the GPOWER project group work will be to prove video transport over the Power Line Modem environment 23 06 2003 v1 2 Page 19 of 24 IST 2001 37613 6POWER D4 3 Set Top Box HW and SW Specification 5 REFERENCES 1 Fresco 4 Functional Specification ANT Document number FR4 FS version 2 1 http www antlimited com 2 RFC 2326 real time streaming Protocol April 1998 3 ECMAScript Language Specification Standard ECMA 262 June 1997 http www ecma ch 4 IP Series Browser Development Guide Pace Document No 2505 123 AN 5 IEEE standard 802 3 2000 edition 6 Software Development Guide Pace Document 23 06 2003 v1 2 Page 20 of 24 IST 2001 37613 6POWER D4 3 Set Top Box HW and SW Specification 6 APPENDIX 1 ACRONYMS AND ABBREVIATIONS Audio Video Multiplexor eeo Gente Pac
15. d SW Specification Media Subsystem Features Dual HD MPEG 2 cores Supported audio decoding formats include AC3 and MPEG 2 audio Support for external audio DSPs Four transport demuxes Picture in picture and time shifting Conditional access control for each transport stream 2D 3D graphics core Integrated Peripheral Standard ATA 100 EIDE interface supporting up to two HDDs Controllers USB 1 1 interface providing control for up to two ports LPC interface Dual UART support IR controller for remote control handsets External Interfaces 32 bit SDRAM interfaces supporting SDR and DDR Dual TV outs providing support for PAL SECAM and NTSC standards Dual ITU 656 interface for analog or external MPEG decoder support Firewire IEEE 1394A interface support Three smart card interfaces two for CA and one for bank cards External peripheral support including PCI bus ATI Flexbus and 12C Dual I2S SPDIF and AC LINK audio ports Figure 2 3 ATI Xilleon 220 Features The ATI chip is a key component of the IP440PAL unit and includes a number of facilities which are not currently utilized but which may be integrated through new Pace software which could be downloaded to the product some time after deployment An example would be use of the 3D graphics acceleration package which could be used for PC type computer games or for specific logo applications The means of preparing these applications would be based on the Software
16. essra unt pes oan I CNN M NN Direct Memory Access Infra Red LImNEN HENNNNNNKNNNNNNN 23 06 2003 v1 2 Page 21 of 24 IST 2001 37613 6POWER D4 3 Set Top Box HW and SW Specification SPDIF Sony Philips Digital Interface 23 06 2003 v1 2 Page 22 of 24 IST 2001 37613 6POWER D4 3 Set Top Box HW and SW Specification T 7 1 7 2 APPENDIX 2 IP440 SPECIFICATION Figure 7 1 IP440 Picture Service Capability Broadcast TV MPEG 4 capable Full Web Browsing Network PVR Windows Media capable E mail Video On Demand E commerce Audio On Demand Communications Services Games Main Functions 280 MHz Core processor 1800 MIPS Media Processor MPEG 1 amp MPEG 2 transport stream decoding MPEG 4 Advanced Video Coding capability Microsoft Windows Media capability Powerful and programmable DSP capable of supporting wide range of codec s Video plane Graphics plane multiple windows and one cursor Video scaling with arbitrary on screen positioning anti flicker and alpha blending Macrovision 7 01 smart card reader and other security capabilities 3D graphics capability Worldwide web browser with HTML JavaScript and Secure Sockets Layer SSL Real time Streaming Protocol RTSP client including pause visual FF RW in VoD applications Additional Features Linux operating system Support for Unicode amp alternative character sets Multiple language user interface amp support for
17. i n iani edetese tes eoe eset ene sto esed ele ke buo Y oe seose ot soere o epe os oiv se bee p rsss raoe 8 2 1 Mechanical Characteristics icciscciscessnsscedentsseidscesncesesuesscsdutiscedsseessssuccasestatesevstsnenneetoaneoe 8 2 2 Overall Configuration sccissccceacascnussseouseccetoas rk NIE P UN DI UU NR e in Ra ee DXHQE rS EN ER UD EK E ERE TA 9 2 3 Core uus tig een ME 9 2 3 1 APT MING ot 220 a adesse e tar de be ak bas ie dee E cg dba eias 9 2 3 2 Media PIS CESS ONG esce t mia etie bn eade teme ase dud utere nnd a 10 2 3 3 Media Subsystem Beatufes aset rt epe ias igs 2 al ou eae trabe 11 2 4 Memory Vgdilirzcil g oee rH 11 2 5 Power Supply 455 eeseicessaiitu pesar co rsss soo oae Foie Peopo teros kss oo puiss o aUe ospet Essais oso rossos nass 11 2 6 Hardware Ilt EIapeS uon iino Ia ht pu E eia coop ko eo eor eee so ea cdsoddececsoswisedussecsuctensovessec 11 2 6 1 RE Intetfaces Back Panel ise ease Doreen teer hue deb e tercer Gos 11 2 5 1 TVSCART CONNECTS to PP 12 2 5 2 Video and Audio Connectors Back Panel sssssseeeee 12 2 5 3 Smart Card Rendetau ea a v aiai A uisi EEE ERA 12 2 5 4 TOTO0BaSC THe tiie ties asec tssenstars natai ro i ise oc oh ERU pel dia E Nt ria 12 2 5 5 RS232 Serial Port Pest TasE eco at d aue e dd a ies 12 2 5 6 USB Pontre dee oa mete oc oes cae too dt Ren d mee tu aca e e 12 2 5 7 Remote Control and EBD anie ieaiao ERE AA aT doa nd 12 2 6 Hardware Performante secsevsseassacusoacacesecnsaseongs
18. ifferent encoder vendors do differ and work may be needed to ensure integration to encoded stream available from new sources The graphics is based on a comprehensive graphics library The main graphic processor provides for anti flicker and anti aliasing within the software so as to optimize picture quality on a TV screen There is also an alpha blending capability which is important when superimposing graphics over a moving TV picture Options for accessing these facilities is given in Reference 4 The graphics library consists of a set of API calls that allow quick and functional access to the graphics plane The library itself is quite compact and other functions are accessed by extensions to other libraries which utilize the graphics library e g font renderer window manager The graphics plane is able to display most html content available on common web pages but not pages which rely on Macromedia Flash or Shockwave The Enhanced Window Engine EWE is a software component that is intended to free an application engineer from having to write code that both draws to the graphics plane and co exists happily with other applications that may be trying to do the same Therefore EWE provides an interface which allows application engineers to focus more on the functionality of the application rather than having to deal with co habitation of the graphics plane Note that Macrovision copy protection v7 01 is available as a hardware function
19. m Mains lead black UK or European Carton RF cable SCART cable Software licence sheet Documentation and Software User manual Installer manual and other information is held on a secure web site controlled by Pace For details of how to obtain the right to access this information contact iptvsupport pace co uk Figure 2 1 Summary of the STB The secure web site mention in the documentation area also contains server and client side software which is available to authorized users only There are various possible mechanisms for installing this software 23 06 2003 v1 2 Page 8 of 24 IST 2001 37613 6POWER D4 3 Set Top Box HW and SW Specification Normally as far as the 6POWER is concerned we anticipate to install the main STB operating software in the STB flash memory to install any specific software on a boot server at the head end and to use the boot server to upgrade the main STB software for any specific GPOWER software requirements The following sections detail the remaining overall requirements IP440PAL AJL 12 02 03 Smartcard 1 FOR X225 16 8 4Mx32 16 8 4Mx32 428Mb NAND FLASH 133Mhz 133Mhz SDRAM SDRAM RJ45 amp 3x PHONO Magnetics Primary CVBS RGB Primary Audio Video AKM4351 2 LS ge Audio DAC Primary Audio L R TV SCART A Audio amp PCI dev 2 RAGE
20. mance 2 6 1 Safety Requirements The Product shall be approved to EN60065 1993 and shall carry the BEAB approval mark 2 6 2 Reliability Requirements Reliability is designed to provide for greater than 350 000 hours Mean Time between Failure 2 6 3 Lightning and Power spike Protection The interfaces conform to lightning protection characteristics and will withstand a 4Kv 0 5us 100Hz ring wave This is a 1 2us 50us 8 20us combination wave IEEE C62 41 1991 Category B2 23 06 2003 v1 2 Page 13 of 24 IST 2001 37613 6POWER D4 3 Set Top Box HW and SW Specification 3 SOFTWARE SPECIFICATION 3 1 Software Architecture The IP440 set top box is shipped with a Pace supplied Operating System and driver layer along with a Pace network stack Pace also supplies a media control software stack for streaming media and VoD support Middleware access to the OS driver layer and the stack will be provided as an API in C with a subset of the API also implemented in Javascript For initial demonstration and test Pace supply certain Javascript routines to enable users to make use of immediate basic functionality Most users can be expected to write their own material in Javascript so as to customize the on screen user interface to their requirements More advanced users will take advantage of full documentation of the middleware visible APIs to the drivers as appropriate This material is available on the Pace supported secure web site identified in Section
21. multiple audio language provision Remote diagnostics and monitoring Secure remote software upgrade Printer support 23 06 2003 v1 2 Page 23 of 24 IST 2001 37613 6POWER D4 3 Set Top Box HW and SW Specification 7 4 Connectivity e USB Ethernet 10 100BaseT full duplex 3 5mm jack Test Task SP DIF e Remote control IR handset with TV controls text numeric and predictive text input capability e Set of three RCA connectors for AV out e Dual scart connectors e IP Multicast Client using IGMP Internet Group Multicast Protocol through JavaScript API e All common network protocols supported e Infrared remote control receiver RCS and RCMM capability 23 06 2003 v1 2 Page 24 of 24
22. o provide Video Control functionality with regard to display related features However the client also has alternative options specified through a Video Control like option tag Applications do not link directly against the Media Control Core The purpose of the Controller from an architectural standpoint is to Reduce code maintenance Hide complexity in the underlying architecture Take responsibility for identifying which transforms are required and subsequent ordering of those transforms In terms of code maintenance the implementation of the Controller will be modified to coincide with changes in the Media Control Core or any of its logical components Without the Controller applications become tightly coupled to the Core itself and thus are more affected by code changes in the Core and underlying transforms This is one of the main reasons justifying the Controller s existence All client operations occur within the context of a client session A different client session identifier identifies each client session Client session identifiers are issued by the Controller upon request and remain valid until the client tells the Controller to discard the session Subsequently client session identifiers may be re issued by the Controller for new sessions Only a single video clip can be manipulated in any one client session at any one time There is no limit on the number of concurrently registered client sessions other than having the
23. required memory in which to store details of the session 23 06 2003 v1 2 Page 15 of 24 IST 2001 37613 6POWER D4 3 Set Top Box HW and SW Specification Control Sub System AM Lib Client application DM Lib Display Audio eee Manager Manager p TN CORE transform s Data source PID filter PES parser transform transform transform transform x gt transform s z Video Display Display andio device Streaming Data Flow Video server Figure 3 1 System Architecture 3 4 Video Control and Graphics The video software includes options for the following functionality Interface to RTSP controls for communication with a remote video server Currently the STB interfaces to the OVS server software used by for example SGI or nCUBE with their products There are differences in the implementation of RTSP used by some other vendors Management of Trick Mode functionality including pause slow motion and fast forward rewind 23 06 2003 v1 2 Page 16 of 24 IST 2001 37613 6POWER D4 3 Set Top Box HW and SW Specification Error handling and buffering to ensure optimum picture quality under a variety of different video stream conditions Currently this operates for Transport Stream or Programme stream operation and for MPEG 1 or MPEG 2 operation For MPEG 2 the product handles data streams between 1 5 and 4 5 Mbps and is optimized for streams around 3 to 3 5 Mbps Stream parameters used by d
24. seiedosvodesssssveseouonsedssnsseeiwoucvenevebandiveneerven 13 2 6 1 Safety Require melits cosi in papse idus Rad bunt aua weeds ide Ra a be essit 13 2 6 2 Reliability Requirements uu icone eire de er ee eerte ea Pr RE E SH RE eqs 13 2 6 3 Lightning and Power spike Protection sess 13 Jd Sofiware Specification uiccsuieeniaceeicibuuic Gi lipetidcdvei i see TN UR HN Dei ERRARE 14 3 1 Software Architecture e c oven asedoouecssunseeouiph cacnedseversevaiets 14 3 2 Network Stack onnse nce ri eee uite nivei sca sua Coto Nd uousasceteutunteesusbecats 14 3 3 Control SOLOW ri e 14 3 4 Video Control and Graphics eee eee ee ee eee e eee eene seen enean een sete ta se tease enun 16 3 5 ligni PEL 17 3 6 lig e 18 3 7 Software Development Kit sseesseossooesooesssesssesssesssoossooesoosssoesssocssoossosssssssssesssoesssosse 18 4 Summu ry and CONCIUSIONS s sccssisaisiscesssssenvedssoseassccessteedstssesaceostvsseusonssccenetesdotsessoecusevesssaee 19 5 NOIGrel COSS Last BR Vr OT Wont Get IAE E TET TOR DUE 20 6 Appendix 1 Acronyms and Abbreviations eee eee e eee seen e eere nene en neon sett tn se ena seno 21 T Appendix 2 IP440 Specification ssssssssssssssssssssssscscscscacacacacacacacacacacacacacacacacacacacacacacacaeas 23 7 1 fougiv Sriirbliis ee
25. ve SCART control Test task service and factory test facility Software Development Kit Each software build has an associated Software Development Kit and tool chain This provides a series of APIs for developers interested to add new functionality to the existing software build The SDK is described in a Developers manual Reference 6 This document describes the system and indicates how to use the SDK available to interface to available APIs for specific functional requirements The main options are Javascript extensions Font system interface Display Manager Audio Manager Media Control Core Enhanced Window Engine Graphics Library System Messaging Semaphore Library Error Handling As an example of use there are currently developers working with these systems to port content security systems to the STB and to provide for a different middleware meeting the MHP specification Neither of these developments will be part of the GPOWER work 23 06 2003 v1 2 Page 18 of 24 IST 2001 37613 6POWER D4 3 Set Top Box HW and SW Specification 4 SUMMARY AND CONCLUSIONS With this overall specification the STB can meet the overall requirements as the service list required We anticipate concentrating on video demonstration within 6POWER and so will provide demonstration capability under IPv6 for just a subset of these services Within the IPv6 environment there are a number of elements within the system which must
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