CN101374209A - Digital household television server based on IGRS - Google Patents
Digital household television server based on IGRS Download PDFInfo
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- CN101374209A CN101374209A CNA2007100765003A CN200710076500A CN101374209A CN 101374209 A CN101374209 A CN 101374209A CN A2007100765003 A CNA2007100765003 A CN A2007100765003A CN 200710076500 A CN200710076500 A CN 200710076500A CN 101374209 A CN101374209 A CN 101374209A
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Abstract
The invention relates to an IGRS-based digital home television server, which comprises a digital signal receiving module, a first microprocessor and a user service module, wherein the user service module is used for receiving and resolving a service invocation request message transmitted by a distributed mobile TV player, searching TV program content on the server terminal, achieving format matching, coding and transcoding of a specified media stream, achieving connection and transmission management of TV program streams, and transmitting a corresponding operation response event and the specified media stream to the distributed TV player, so as to achieve mutual operation between the server and the TV player. The digital home television server can meet the requirements for various watching favorites of users in a family based on the basic technique platform and the business rules of the digital television, and can provide convenient use experience and more satisfied watching and playback experiences, thereby promoting the utilization efficiency of resources, increasing the market opportunities of other media terminals and consumable electronic products, promoting the establishment of a novel operational policy for single-card multiplayer, and increasing market benefits for operators.
Description
Technical field
The present invention relates to television server, more particularly, relate to a kind of digital household television server based on IGRS.
Background technology
Adopt tuner on the present top box of digital machine product technology scheme, channel-decoding, C/A, source coding and Video processing major technique (as figure), hardware platform provides peripheral hardware and IEEEs such as PCI, USB, for expansion (as radio network interface).Possesses the digital TV set box software basic platform.Based on 802.11/a ripe radio network techniques such as (n), can satisfy the transmission among a small circle of MPEG2 high-definition digital program.IGRS devices interconnect, information sharing country proposed standard technology is constantly perfect, needs to use and the support of industrialization.The exploitation of the sound of IP based network, coding and decoding video, the transmission storage basic technology practicability that become.
General set-top box adopts the technical scheme of a machine one card from Development and Production and program operation commercial city; To there being the family of different rating demands simultaneously, often need to buy a plurality of teaching machine TV top boxs like this, the major defect that this scheme exists is:
1. effectively do not utilize technology, information resources (software, hardware, programme content etc.) for different occasions, in characteristics and the real consumption demand propagating, handle, play, use many single disposal of traditional digital TV set-top box to be difficult to satisfy the interior among a small circle demands of Polymera, plurality of devices (TV or PC etc.), mobile rating simultaneously such as family; Digital TV broadcast signal relatively be suitable for being applied in the access of home videos program and descrambling, demultiplexing function finish former Channel Transmission, the processing stage (and present digital television chip technology is finished multichannel at single-chip and is handled, the information source chip is finished multichannel TS input, and descrambling demultiplexing function is very general);
2. change rating position in home-ranges that can not be frequent, signal link is untidy;
In the family on other information equipments (PC, PMP, mobile phone etc.) share multimedia messages resource;
4. former scheme does not have cost advantage;
5.IGRS the application and development at home of IGRS's TV still rests on the stage of PC to the information of TV one-way transmission medium at present.
Summary of the invention
The technical problem to be solved in the present invention is, above-mentioned defective at prior art, a kind of novel household digital television reception Play System product is provided, utilize a machine one card (CA) to do server, satisfy the same asynchronism(-nization) program audience of domestic consumer (all ages and classes section, different interest also are included in PC go up play etc.), the demand application model of wireless moving about (parlor, kitchen, toilet etc.) among a small circle.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of digital household television server based on IGRS, comprise the digital signal receiver module, first microprocessor, it is characterized in that, also comprise the user's service module that is connected with described first microprocessor, described user's service module is used to receive and resolve the service invocation request message that the portable TV player of controlled distribution sends, to searching of the TV programme content of server end, the format match of appointment of medium stream and volume, transcoding, the TV program stream connects and transfer management, and, realize the interoperability between this server and the TV player to the corresponding Media Stream of operating response events and appointment of portable TV player transmission that distributes.
In the digital household television server based on IGRS of the present invention, described user's service module comprises: many code streams scramble process module, many code streams demultiplexing module, programme content are searched, coding and Media Stream be connected transport management module and IGRS intelligence interconnection network module; Described IGRS intelligence interconnection network module realizes the transmitting-receiving and the processing of the variety of event information of IGRS standard protocol stack function, medium interoperability reciprocal process, realizes that the band of the TV Media Stream of two-forty transmits outward; Run on the broadband LAN network of IGRS standard agreement.Described many code streams scramble process module comprises: many code streams deciphering and descrambling device, second microprocessor and user data management unit.Described user's service module also comprises: the DTV program stream buffer management module that is connected with the program module with described many code streams demultiplexing module, the DTV program stream core buffer module that is connected with described DTV program stream buffer management module respectively.Described program module comprises: program stream selected cell, coding unit and Transmission and Management Unit.Described digital signal receiver module comprises: Channel Elements, the channel demodulation unit that is connected with described Channel Elements.Described Channel Elements comprises two digital signal receiver turning tuners.Described channel demodulation unit comprises two demodulators.
The overall system hardware aspect adopts dual tuner and double-channel process chip module; Realize two-way parallel descrambling of above TS stream and cache management, realize the administration configuration of hardware resource, (comprise descrambling, memory buffer expanded configuration etc.; Adopt broadband wireless network (802.11/a/n); The software aspect recommend to adopt the support of IGRS interoperability standard, comprising program, service server: the IGRS protocol stack; Content (program, business) index service; The connection management service of program, Business Stream; The transfer management service of program, Business Stream; The DTV funcall interface that the TV server is supported; The PSI/SI information processing; IGRS program, Business Stream interoperability.
The invention has the beneficial effects as follows, under Digital Television basic fundamental platform and operation rule, satisfy the multiple television program receiving hobby of domestic consumer simultaneously, bring experience (family wireless moves, and saves line and set-top box) and be satisfied with more rating, playback experience easily; Promote the efficient of the utilization of resource, mainly comprise the utilization of media program resource with by " the decoding of many tuner shared channel, descrambling, deciphering, wireless transmission and the associated application solution " comprehensive utilization of the technical resource that brings (cost significantly is lower than a plurality of existing set-top box and becomes this programme); Increase the market opportunity (based on interconnecting standard I GRS, DLNA etc.) of other media terminations, consumption electronic product (PMP, wireless decoding display adapter, mobile phone etc.); Promote to formulate a new card multimachine the operation policy, increase market interest (by therefrom suitably adding secondary machine expense) to the operator.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the system configuration schematic diagram of the digital household television server based on IGRS of the present invention.
Embodiment
IGRS (Intelligent Grouping and Resource Sharing) applicable scope: when the information equipment of enterprise, public place and family is interconnected? follow common resource and interface standard? make equipment can effectively realize resources open and service collaboration, improve the equipment interoperability? strengthen the function of equipment room composite services.Is this standard the application layer protocol that is based upon on the TCP/IP? to realize that different hardware and software are unified, make things convenient for the effectively interconnected of information equipment and traditional electrical equipment, find and seek available devices and service automatically.
The design object of IGRS standard: in limited range network domains (wired, wireless), support automatic device discovery, dynamic group net, resource-sharing and cooperation with service between multiple information equipment, household electrical appliance, the communication apparatus.
The IGRS standard is made up of three parts: key foundation protocol groups, intelligent use framework and characteristic are used.
As shown in Figure 1, digital household television server based on IGRS of the present invention comprises digital signal receiver module 1, first microprocessor 2, the user's service module that is connected with first microprocessor 2, user's service module provides channel program service, content indexing service, connection management service, the transfer management service shared, and provides calling interface to the portable TV player that distributes.
In the digital household television server of this embodiment based on IGRS, user's service module comprises: many code streams scramble process module 3, many code streams demultiplexing module 5 and program module 6, many code streams scramble process module 5 is used to receive and resolve the service invocation request message that the portable TV player of distribution sends, and sends corresponding response events to the portable TV player that distributes.Many code streams scramble process module 5 comprises: many code streams deciphering and descrambling device, second microprocessor and user data management unit.User's service module also comprises: the DTV program stream buffer management module 7 that is connected with program module 6 with many code streams demultiplexing module 5, the DTV program stream core buffer module 8 that is connected with DTV program stream buffer management module 7 respectively.Program module 6 comprises: program stream selected cell, coding unit and Transmission and Management Unit.Digital signal receiver module 1 comprises: Channel Elements, the channel demodulation unit that is connected with described Channel Elements.Channel Elements comprises two digital signal receiver turning tuners.The channel demodulation unit comprises two demodulators.
Many TS streams, the resource distribution of program stream and driving: finish DTV channel TS transmission program audio/video flow data demultiplexing, solve delay and jitter, realize the reference clock adjustment; Realize receiving the management of audio, video data streambuf, carry out the conversion of code stream form, management sends the operation of program stream buffering area and program stream transmission; Has the interface that call on the upper strata.Digital Television PSI/SI information database: definition related data structure or employing embedded database, PSI/SI information is stored, the api interface function is provided, PSI/SI information is pressed physical channel, logical channel, period (EIT), programme information to appointment is searched output, provides top service to call; Under deletion condition, by following layer interface, dynamic call SI information filtering function carries out on-line filtration and searches; The upper strata calling interface is provided; TS PSI/SI Packet Filtering is resolved: in conjunction with corresponding passage, filter hardware logic, press the PID of PSI/SI packet, tableid filters parsing; DTV program stream band transmits outward: in family's localized network (wired, wireless), utilize RTP/UDP to transcoding, the audio/video program stream behind the package transmits again.DTV program channel content retrieval service: obtain DTV programme content index service and support the attribute list that sorts; Obtain the content update (new physical channel and program arrangement) in the DTV programme content index service; Support list of television programmes (EPG); The service of DTV program channel connection management: obtain the host-host protocol that server is supported, as the agreement name, the network port, media formats and other protocol informations; Make server preparation and instantiation be used for sending and receiving the connection identifier (CID and the transmission Provisioning Instance Identifier that is used for the TV media delivery of TV media data; Close the corresponding connection of connection identifier (CID and discharge resource; Obtain the connection identifier (CID tabulation of current active; The service of DTV program stream transfer management: the state variable of transmission TV program stream object is set, and appointed program flow transmission Service Instance will transmit the media content tabulation of control; Obtain the current transmission state relevant information of transmission Service Instance of appointment; Obtain the programme information that the given transmission example is passed; Obtain media formats and play mode in the connection object tabulation in the transmission Service Instance; According to specifying the broadcast of play mode and speed and stopping program stream; IGRS basic agreement stack: based on http protocol, the automatic declaration between the support information equipment, the standard agreement of discovery automatically, dynamic group net, resource-sharing and cooperation with service.
Claims (8)
1. digital household television server based on IGRS, comprise the digital signal receiver module, first microprocessor, it is characterized in that, also comprise the user's service module that is connected with described first microprocessor, described user's service module is used to receive and resolve the service invocation request message that the portable TV player of controlled distribution sends, to searching of the TV programme content of server end, the format match of appointment of medium stream and volume, transcoding, the TV program stream connects and transfer management, and, realize the interoperability between this server and the TV player to the corresponding Media Stream of operating response events and appointment of portable TV player transmission that distributes.
2. the digital household television server based on IGRS according to claim 1, it is characterized in that, described user's service module comprises: many code streams scramble process module, many code streams demultiplexing module, programme content is searched, coding and Media Stream be connected transport management module and IGRS intelligence interconnection network module; Described IGRS intelligence interconnection network module realizes the transmitting-receiving and the processing of the variety of event information of IGRS standard protocol stack function, medium interoperability reciprocal process, realizes that the band of the TV Media Stream of two-forty transmits outward; Run on the broadband LAN network of IGRS standard agreement.
3. the digital household television server based on IGRS according to claim 2 is characterized in that, described many code streams scramble process module comprises: many code streams deciphering and descrambling device, second microprocessor and user data management unit.
4. according to claim 2 or 3 described digital household television servers based on IGRS, it is characterized in that described user's service module also comprises: the DTV program stream buffer management module that is connected with the program module with described many code streams demultiplexing module, the DTV program stream core buffer module that is connected with described DTV program stream buffer management module respectively.
5. according to claim 2 or 3 described digital household television servers, it is characterized in that described program module comprises: program stream selected cell, coding unit and Transmission and Management Unit based on IGRS.
6. according to any described digital household television server of claim 1～3, it is characterized in that described digital signal receiver module comprises: Channel Elements, the channel demodulation unit that is connected with described Channel Elements based on IGRS.
7. the digital household television server based on IGRS according to claim 6 is characterized in that, described Channel Elements comprises two digital signal receiver turning tuners.
8. the digital household television server based on IGRS according to claim 6 is characterized in that, described channel demodulation unit comprises two demodulators.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100765003A CN101374209B (en) | 2007-08-21 | 2007-08-21 | Digital household television server based on IGRS |
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| CN2007100765003A CN101374209B (en) | 2007-08-21 | 2007-08-21 | Digital household television server based on IGRS |
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| CN101374209A true CN101374209A (en) | 2009-02-25 |
| CN101374209B CN101374209B (en) | 2011-09-28 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102098563A (en) * | 2011-02-22 | 2011-06-15 | 深圳市同洲电子股份有限公司 | Interactive digital television system and method as well as digital television receiving terminal and client |
| CN102438176A (en) * | 2010-09-29 | 2012-05-02 | Tcl集团股份有限公司 | Intelligent grouping and resource sharing (IGRS) technology-based method for displaying content of mobile terminal on television side |
| CN102932689A (en) * | 2012-11-07 | 2013-02-13 | 青岛海信宽带多媒体技术有限公司 | Local area network (LAN) based method for transmitting digital television signal and digital television receiving terminal |
| CN103597844A (en) * | 2011-04-19 | 2014-02-19 | 传感电子有限责任公司 | Method and system for load balancing between video server and client |
| CN103634627A (en) * | 2012-09-27 | 2014-03-12 | 深圳市慧之星计算机有限公司 | High-definition network television device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100411384C (en) * | 2004-03-24 | 2008-08-13 | 联想(北京)有限公司 | Method for long-distance using local area network resource utilizing mobile equipment |
| CN100414993C (en) * | 2005-12-22 | 2008-08-27 | 海信集团有限公司 | Method for realizing IGRS AV server device |
| CN100414994C (en) * | 2005-12-22 | 2008-08-27 | 海信集团有限公司 | Method for realizing IGRS AV player device |
-
2007
- 2007-08-21 CN CN2007100765003A patent/CN101374209B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102438176A (en) * | 2010-09-29 | 2012-05-02 | Tcl集团股份有限公司 | Intelligent grouping and resource sharing (IGRS) technology-based method for displaying content of mobile terminal on television side |
| CN102438176B (en) * | 2010-09-29 | 2014-08-13 | Tcl集团股份有限公司 | Intelligent grouping and resource sharing (IGRS) technology-based method for displaying content of mobile terminal on television side |
| CN102098563A (en) * | 2011-02-22 | 2011-06-15 | 深圳市同洲电子股份有限公司 | Interactive digital television system and method as well as digital television receiving terminal and client |
| CN103597844A (en) * | 2011-04-19 | 2014-02-19 | 传感电子有限责任公司 | Method and system for load balancing between video server and client |
| CN103634627A (en) * | 2012-09-27 | 2014-03-12 | 深圳市慧之星计算机有限公司 | High-definition network television device |
| CN102932689A (en) * | 2012-11-07 | 2013-02-13 | 青岛海信宽带多媒体技术有限公司 | Local area network (LAN) based method for transmitting digital television signal and digital television receiving terminal |
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| CN101374209B (en) | 2011-09-28 |
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