EP2311223A2 - Mise à jour de critères de recherche de contenu définis pour un fournisseur de service - Google Patents
Mise à jour de critères de recherche de contenu définis pour un fournisseur de serviceInfo
- Publication number
- EP2311223A2 EP2311223A2 EP09740419A EP09740419A EP2311223A2 EP 2311223 A2 EP2311223 A2 EP 2311223A2 EP 09740419 A EP09740419 A EP 09740419A EP 09740419 A EP09740419 A EP 09740419A EP 2311223 A2 EP2311223 A2 EP 2311223A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- upnp
- command
- service provider
- list
- dms
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L12/2807—Exchanging configuration information on appliance services in a home automation network
- H04L12/281—Exchanging configuration information on appliance services in a home automation network indicating a format for calling an appliance service function in a home automation network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L12/2807—Exchanging configuration information on appliance services in a home automation network
- H04L12/2812—Exchanging configuration information on appliance services in a home automation network describing content present in a home automation network, e.g. audio video content
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L12/2816—Controlling appliance services of a home automation network by calling their functionalities
- H04L12/282—Controlling appliance services of a home automation network by calling their functionalities based on user interaction within the home
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L2012/2847—Home automation networks characterised by the type of home appliance used
- H04L2012/2849—Audio/video appliances
Definitions
- Updated content search criteria defined for a service provider
- the present invention relates to the field of telecommunication networks in which the terminals communicate via the UPnP protocol defined by I 1 UPnP Forum. It may be for example a home network (in English "home network”), or a local network, intranet type or other.
- this protocol aims to allow the interoperability and interconnection of multimedia equipment, without configuration by the user.
- UPnP devices there are different types of UPnP devices: DMC (Digital Media Controller), DMS (Digital Media Server) and DMR (Digital Media Renderer), DMA (Digital Media Adapter) or DMP (Digital Media Player) playback devices.
- DMC Digital Media Controller
- DMS Digital Media Server
- DMR Digital Media Renderer
- DMA Digital Media Adapter
- DMP Digital Media Player
- DMR, DMA or DMP for this rendering device renders multimedia content identified at the DMS server.
- DMS content servers can also index content accessible online, for example on the Internet, and make them available in the UPnP home network.
- a user can view photos stored on an online photo-sharing service using a DMR rendering device.
- the invention relates to a UPnP control device, this device comprising:
- the invention thus offers a new service to the user, allowing him to modify the search criteria for an online multimedia content.
- the provided specification includes a list of current search criteria that the control device can update.
- the invention thus aims to extend the functions of a UPnP content server to enable it to manage, for a service provider referenced by this content server, the data defining the current content search criteria defined by a user for this service.
- Service Provider aims to extend the functions of a UPnP content server to enable it to manage, for a service provider referenced by this content server, the data defining the current content search criteria defined by a user for this service.
- Service Provider the data defining the current content search criteria defined by a user for this service.
- the invention is also directed to a method of controlling a UPnP content server, this method being intended to be implemented by a UPnP control device. It comprises :
- control device comprises: means for constituting, from said description and at least one parameter of said first command, an updated list of search criteria for multimedia content accessible from said service provider;
- the invention makes it possible to implement two new services, namely a service for obtaining content search criteria for an online service and a service for updating these search criteria.
- the obtaining of the search criteria is done using a command derived from the UPnP "Browse" command: with a new value of the "Objectld” parameter.
- the invention relates to a signal intended to be transmitted to a UPnP content server, carrying a command to obtain a description of services offered by a service provider, said command comprising a parameter interpretable by said server.
- UPnP content to send, in response to said command, a list of common search criteria accessible content from said service provider.
- This command can be a UPnP command "Browse" adapted to allow the sending of said parameter.
- the search criteria for a multimedia content are stored by a UPnP content server in the metadata describing a service provided by a service provider.
- the invention relates to a content server
- the invention is directed to a service description management method, intended to be implemented by a UPnP content server, this method comprising: a step of receiving, from an UPnP control device, a command for obtaining a description of services offered by a service provider referenced by said content server,
- the management method comprises
- the UPnP content server can either send the metadata command to the service provider itself, or send it to an intermediation platform, located outside the home network and managing the interface between the server. UPnP and the different service providers.
- the content server comprises:
- control method and the service description management method are executed by computer program instructions.
- this program being capable of being implemented in a UPnP control device or more generally in a computer, this program comprising instructions adapted to the implementation of the steps of the control method as mentioned above;
- this program being capable of being implemented in a UPnP content server or more generally in a computer, this program comprising instructions adapted to the implementation of the steps of the service description management method as mentioned above.
- Each of these programs can use any programming language, and be in the form of source code, object code, or intermediate code between source code and object code, such as in a partially compiled form, or in any form what other form is desirable.
- the invention also relates to a computer readable information medium, and comprising instructions of at least one computer program as mentioned above.
- the information carrier may be any entity or device capable of storing the program.
- the medium may comprise storage means, such as a ROM, for example a CD ROM or a microelectronic circuit ROM, or a magnetic recording medium, for example a floppy disk or a disk. hard.
- the information medium may be a transmissible medium such as an electrical or optical signal, which may be conveyed via an electrical or optical cable, by radio or by other means.
- the program according to the invention can be downloaded in particular on an Internet type network.
- the information carrier may be an integrated circuit in which the program is incorporated, the circuit being adapted to execute or to be used in the execution of the method whenever considered.
- FIG. 1 represents a terminal, a proxy device, a control device, a content server and an intermediation platform in a particular embodiment of the invention
- FIG. 2 represents the main steps of the methods according to the invention, in a particular embodiment. Detailed description of an embodiment
- FIG. 1 there is shown a home network consisting, in this example, of a WiFi network WN and a UPnP network UN, this home network being interconnected with an IPN Internet network via a home gateway IGD.
- the IGD home gateway between the UPnP UN and the Internet has no particular characteristics.
- the reference R in FIG. 1 represents a router of the IPN network. This router serves as a routing device for IPN SP service providers and an IMP intermediation platform.
- the SP service provider is implemented as a server. It may belong to a non-UPnP network, including an Internet or Intranet type network; it may be for example an online service provider, including a server capable of interpreting HTTP requests, of the type of those issued by an Internet browser (in English "Web browser"), to allow the access to multimedia content.
- a non-UPnP network including an Internet or Intranet type network
- an online service provider including a server capable of interpreting HTTP requests, of the type of those issued by an Internet browser (in English "Web browser"), to allow the access to multimedia content.
- the terminal MT has the hardware architecture of a computer. It comprises a processor 1 1, a random access memory 12, a read-only memory ROM 13 and WiFi communication means 14.
- the read-only memory 13 comprises a computer program for executing the method implemented by this terminal and whose main steps E10 and E20 will be described later with reference to FIG. 2.
- the means of communication 14 of the mobile terminal MT are able to download a web page hosted on the DMCP proxy device, this web page comprising a human-machine interface allowing the user to enter search criteria for multimedia content accessible from an SP service provider and send commands to the DMCP proxy device.
- This user interface can also be included in software, embedded on the terminal and communicating with the proxy device via the HTTP protocol.
- the communication means 14 of the WiFi terminal MT send a command UC to the proxy device DMCP to ask him to modify the search criteria of a multimedia content according to the parameters defined by the user.
- the notion of modification is to be understood in a broad sense. Indeed, the invention makes it possible to add, delete or modify one or more search criteria.
- the interface between the WN WiFi network and the UPnP UN network is done through a proxy device referenced DMCP.
- This DMCP proxy device allows a mobile terminal MT, not accessing the network UN, to send commands to a UPnP device of the network UN, for example to a UPnP control device, referenced DMC, this control device
- UPnP is itself able to dialogue in accordance with the UPnP standard with UPnP entities UPnP UN network.
- the DMCP proxy device has the hardware architecture of a computer. It comprises in particular a processor 21, a random access memory 22, a read-only memory ROM 23 and communication means 24 compliant with the WiFi standard for communicating over the WiFi network
- the read-only memory ROM 23 includes a computer program for executing the method implemented by this proxy device and whose main steps F10 to F40 will be described later with reference to FIG.
- the DMCP proxy device also comprises communication means 26 for communicating with a DMC control device according to the invention.
- the communication technology used between the DMCP proxy device and the DMC control device is for example a "Web service” technology or any other method of sending a command, for example using the HTTP protocol, or method of calling procedure.
- remote RPC, Remote Procedure CaII
- local procedure call when the DMCP proxy device and the control device are co-located in the same physical equipment and run in the same runtime environment. .
- the DMCP proxy device When the DMCP proxy device receives, from the Wifi terminal MT, via a Wi-Fi connection, a command UC for modifying search criteria, it interprets this command and sends a command PC, to the control device DMC according to the invention, for the setting of the search criteria list of a multimedia content.
- the UC command like the PC command, includes the user-defined parameters and specifies the nature of the modifications to be made to the criteria of the search (addition, deletion, modification of at least one criterion, with, for each type of modification, the definition data of the criterion considered).
- the DMC control device has the hardware architecture of a computer. It comprises in particular a processor 31, a random access memory 32, a ROM type ROM 33 and communication means 34 on the UPnP network.
- the read ROM ROM 33 comprises a computer program P3, this program comprising instructions for implementing the control method according to the invention and whose main steps G10 to G60 are shown in FIG. 2.
- the DMC control device is a control device according to the UPnP standard. It is further designed to communicate with the DMCP proxy device.
- the DMC controller When the DMC controller receives from the DMCP proxy device a PC command for updating the list of media search criteria for a service provider, it sends a UPnP UO command, named "UpdateObject", to a server of UPnP DMS content according to the invention, this command comprising a service description associated with the service provider considered, descriptive including the SCL list updated of these criteria.
- This updated list could be an empty list (no criteria).
- This UPnP DMS content server is the one with which the service provider SP is identified and referenced for which the update is requested.
- the DMC control device is able to obtain an SCL list of criteria updated from the list of current content search criteria and user-defined parameters, received in the PC command.
- the DMC control device is able to obtain the list of current content search criteria defined for the service provider in question by sending the UPnP DMS server a UPnP type command.
- This current list could be an empty list (no criteria).
- this command referenced UB is conveyed by a signal GIS 1 according to the invention.
- the list of current search criteria transmitted by the content server DMS is included in a description of the services offered by the service provider SP.
- the content server DMS has the hardware architecture of a computer. It comprises a processor 41, a random access memory 42, a ROM ROM 43 and communication means 44 on the UPnP network.
- the read-only memory 43 constitutes a medium in which a computer program P4 is recorded, this program comprising instructions for implementing the service description management method according to the invention, the main steps H10 to H60 of this method being shown in Figure 2.
- the DMS Content Server is a content server that conforms to the UPnP standard. It further comprises means 46 for communicating, via the home gateway IGD, with equipment of the IPN Internet network, in particular with one or more SP service providers.
- These means 46 allow it in particular to obtain metadata associated with online multimedia content, corresponding to one or more search criteria, for example content made available by a service provider SP IPN network.
- online content is meant here content that is not stored by a content server of the local network UN, but is accessible from a remote server accessible via the IPN network.
- an IP network service provider IPN associates MD metadata with an online multimedia content MC, these metadata being able to serve as search criteria for retrieving this content.
- the content server DMS is designed to obtain the metadata of a multimedia content, either directly from an SP service provider of the IPN network, or indirectly via an intermediation platform according to the invention. , which serves as a communication intermediary for a set of SP service providers of the IPN network.
- the content server of DMS includes a database BDD in which it stores these metadata MD of content provided by the different SP service providers, as well as, for each service provider, a service description comprising an SCL list of content search criteria, corresponding to the common search criteria defined by a user for the service in question.
- the content server of DMS can be qualified as a virtual content server in that it is able to provide to UPnP devices of the network ONE content metadata stored physically on other servers, in this case content set available from the SP service providers of the IPN network.
- the content server of DMS therefore allows access, from a UPnP entity of the network UN, to the contents of these service providers SP.
- the content server DMS is able to regularly poll one or more SP service providers to obtain the content MD metadata made available by this or these service providers. But, preferentially, the content server DMS according to the invention obtains these metadata by regularly probing the intermediation platform IMP.
- the content server DMS is used to reference in the database BDD services provided by SP service providers of an IPN remote network.
- the means 46 of the DMS content server for this purpose enable it to obtain service descriptions associated with each SP service provider of the IPN network.
- These service descriptors are stored in the database DB and include an SCL list of content search criteria, corresponding to the common search criteria defined by a user for the service in question.
- the content server DMS is able to send, by means of its communication means 44, to the control device DMC, in response to the command UB, the descriptions of the services offered by the SP service providers, these descriptions allowing the DMC control device to reconstruct the list of current search criteria for multimedia contents accessible from this service provider.
- the intermediation platform IMP has a BDI database in which it stores the MD metadata and the LK links to the MC contents.
- steps E10 and E20 are steps of a method according to the invention implemented by the WiFi terminal MT.
- steps F10 to F40 are steps of a method according to the invention implemented by the DMCP proxy device;
- the steps G10 to G60 are steps of a control method according to the invention implemented by the control device DMC;
- steps H10 to H60 are steps of a management method according to the invention implemented by the content server DMS.
- the steps J10 and J40 are steps implemented by an intermediation platform.
- a user of the mobile terminal MT wishes to modify the search criteria for multimedia content defined for a service provider.
- the mobile terminal MT has a user interface allowing it to specify the modifications it wishes to make to the content search criteria to be applied for a service provider.
- the terminal MT comprises means for entering search criteria.
- search criteria are for example keywords such as "sea” or “mountain” defining a type of content that interests the user or numerical values or dates each defining a possible metadata value of a content.
- search criteria defined by this user are specific to this user.
- the mobile terminal MT emits, during a step E10, a command UC to request the addition of the search criterion SC1 to the list of search criteria for multimedia content, this command being sent to the DMC controller, via the DMCP proxy device.
- the command UC includes, as parameters, an indication that it is a criterion addition, as well as data defining the criterion SC1 to be added (for example a "mountain" keyword).
- the DMCP proxy device receives this command UC, transmitted through a WiFi connection, during a step F10 and sends, during a step F20, a PC command to the control device DMC according to the invention to request the setting from the list of content search criteria for one or more service providers.
- This PC command is received by the DMC control device during a step G10. It includes the same criteria change definition parameters as the UC command.
- the DMC control device sends a signal SIG1 according to the invention to the server DMS managing its content, to obtain a service description for the service provider considered, descriptive including the list of common criteria for searching multimedia content.
- the signal SC1 comprises a UPnP UB command "Browse", the invention having defined a WS parameter interpretable by the content server DMS so that it returns, in response to this command, in the description of the service, the list of common criteria for content search defined for the service provider concerned.
- This list of criteria is inserted for example into the metadata of the service provided by the service provider sent in response to this UPnP command "Browse”.
- the parameter WS corresponds to a new value of the "Objectld” parameter used to identify a data structure (or “container”), including a description of the service provided by the service provider in the form of service metadata.
- the parameter WS is therefore used to identify a data structure comprising a list of content search criteria.
- these current search criteria are included in a description CT transmitted by the server DMS during a step H20, in response to the command UB.
- This CT description is received by the control device DMC during a step G30.
- the DMC control device constitutes the updated SCL list of the content search criteria.
- the UPnP control device locally stores the list of common search criteria of multimedia content associated with a service provider, and identifies the search criteria to constitute the updated list, based on these current search criteria. stored and parameters of the PC command received from the proxy device according to the invention, in particular new search criteria defined in the PC command.
- this updated list includes the search criteria SC1 and SC2.
- the control device DMC sends, to the content server DMS, a UPnP command, called "UpdateObject", comprising an updated service description, including the search criteria or criteria constituting the updated list, namely the search criteria SC1 and SC2.
- This UO command is for example the UPnP command named
- UpdateObject It is carried in the DMC control device of UPnP DMS servers in a SIG2 signal.
- the "UpdateObject” command is used to update the provided data structure in response to the previously issued "Browse” command.
- the update command UO is received by the server DMS during a step H30, which updates the list of criteria from the data inserted in this command.
- the DMS content server is configured to, following this criteria update, issue one or more GCBT requests via the IPN Internet network and the home gateway IGD, in order to obtain metadata associated with the contents corresponding to the current search criteria. .
- control device DMC sends, during a step G60, an acknowledgment message ACK to the proxy DMCP.
- the DMCP proxy receives this acknowledgment message ACK during a step F30 and in turn sends an acknowledgment ACK to the mobile terminal MT during a step F40.
- This acknowledgment message is received by the mobile terminal during a step E20.
- the content server DMS regularly issues GCBT requests on the IPN Internet network, via the home gateway IGD, for obtain metadata associated with the content corresponding to the search criteria chosen by the user.
- the content server DMS has received, at step H30, a new search criterion SC1 of multimedia content.
- the UPnP server DMS queries the intermediation platform IMP to obtain the MD metadata associated with the content meeting the search criterion SC1.
- This GCBT request is received by the IMP platform during a step J10.
- the platform IMP in turn interrogates the service provider SP with the search criterion SC1 during a step J20.
- the IMP platform receives the MD metadata contents responding to this new search criterion SC1. It transmits these MD metadata to the UPnP DMS server according to the invention during a step J40.
- the UPnP server DMS simultaneously receives these metadata during a step H50.
- each search criterion is stored in association with a list of contents meeting this criterion, each content of this list being stored in association with the metadata of this content.
- control device DMC sends - following a request from the user or automatically after the update of the list of criterion and / or database BDD - a UPnP "Browse" command to obtain the list of contents associated with one or more search criteria.
- the requested content list is sent in response to this command
- an HTTP request is used to transmit a command to obtain a service description: this request includes a specific WS parameter, or all or part of the parameters of the "Browse" command defined in the UPnP standard. This command is used to obtain a description of the service offered by the service provider whose list of search criteria is to be updated.
- a second HTTP request is used by the DMS content server to transmit in response the requested description, along with the current search criteria.
- a third HTTP request is sent by the DMC controller to the content server, replacing an UPnP "UpdateObject" command, including the updated description with the list of current updated criteria.
- a document for example in XML format, is used to contain the description of the service offered by a service provider, a description which includes the list of current criteria for content search for this service. This document will then be used in the sending of descriptions made between the control device and the DMC.
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0855238 | 2008-07-30 | ||
PCT/FR2009/051537 WO2010012961A2 (fr) | 2008-07-30 | 2009-07-30 | Mise à jour de critères de recherche de contenu définis pour un fournisseur de service |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2311223A2 true EP2311223A2 (fr) | 2011-04-20 |
Family
ID=40466944
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09740419A Withdrawn EP2311223A2 (fr) | 2008-07-30 | 2009-07-30 | Mise à jour de critères de recherche de contenu définis pour un fournisseur de service |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2311223A2 (fr) |
WO (1) | WO2010012961A2 (fr) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020078161A1 (en) * | 2000-12-19 | 2002-06-20 | Philips Electronics North America Corporation | UPnP enabling device for heterogeneous networks of slave devices |
GB0322797D0 (en) * | 2003-09-30 | 2003-10-29 | Koninkl Philips Electronics Nv | Query caching in a system with a content directory service |
KR100657010B1 (ko) * | 2004-12-22 | 2006-12-14 | 한국전자통신연구원 | 홈게이트웨이와 서비스 게이트웨이 플랫폼을 이용한 댁내UPnP 장치에 대한 댁외 멀티미디어 서비스 제공자의멀티미디어 서비스 장치 및 방법 |
-
2009
- 2009-07-30 WO PCT/FR2009/051537 patent/WO2010012961A2/fr active Application Filing
- 2009-07-30 EP EP09740419A patent/EP2311223A2/fr not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
See references of WO2010012961A3 * |
Also Published As
Publication number | Publication date |
---|---|
WO2010012961A2 (fr) | 2010-02-04 |
WO2010012961A3 (fr) | 2010-03-25 |
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