WO2013181996A1 - 一种获取信息的方法、设备及系统 - Google Patents

一种获取信息的方法、设备及系统 Download PDF

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Publication number
WO2013181996A1
WO2013181996A1 PCT/CN2013/076220 CN2013076220W WO2013181996A1 WO 2013181996 A1 WO2013181996 A1 WO 2013181996A1 CN 2013076220 W CN2013076220 W CN 2013076220W WO 2013181996 A1 WO2013181996 A1 WO 2013181996A1
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WO
WIPO (PCT)
Prior art keywords
iptv
played
content
information
terminal
Prior art date
Application number
PCT/CN2013/076220
Other languages
English (en)
French (fr)
Inventor
王雅辉
王雷
郜文美
范姝男
吕小强
Original Assignee
华为终端有限公司
Priority date (The priority date 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 date listed.)
Filing date
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Application filed by 华为终端有限公司 filed Critical 华为终端有限公司
Publication of WO2013181996A1 publication Critical patent/WO2013181996A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/4722—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting additional data associated with the content
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/239—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests
    • H04N21/2393—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests involving handling client requests
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
    • H04N21/6125—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via Internet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6156—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network
    • H04N21/6175—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network involving transmission via Internet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81—Monomedia components thereof
    • H04N21/8126—Monomedia components thereof involving additional data, e.g. news, sports, stocks, weather forecasts
    • H04N21/8133—Monomedia components thereof involving additional data, e.g. news, sports, stocks, weather forecasts specifically related to the content, e.g. biography of the actors in a movie, detailed information about an article seen in a video program
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/85—Assembly of content; Generation of multimedia applications
    • H04N21/858—Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot
    • H04N21/8586—Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot by using a URL

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method, device, and system for acquiring information. Background technique
  • IPTV Internet Protocol Television
  • the content on demand (CoD) of interactive Internet TV is mainly to insert advertisements before, after or when the program is played;
  • SC switched Content
  • These advertisements have nothing to do with the content of the program, nor are the advertisements that the user actively wants to watch. For advertisers, such advertisements are not necessarily effective.
  • the embodiment of the invention provides a method for acquiring information, thereby improving user experience.
  • Embodiments of the present invention also provide corresponding devices and systems.
  • a method of obtaining information including:
  • information related to the content of the television program being played is acquired from the information server.
  • a method of obtaining information including:
  • a terminal comprising:
  • An association unit configured to establish an association with an IPTV device that is playing a television program
  • a sending unit configured to send an information query request to the IPTV server after the association unit establishes an association with the IPTV device
  • a receiving unit configured to receive, by the IPTV server, address information of information related to the content of the currently broadcasted television program acquired according to the information query request;
  • an obtaining unit configured to acquire, according to the address information received by the receiving unit, information related to the content of the television program being played from the information server.
  • An interactive network television server comprising:
  • a receiving unit configured to receive an information query request sent by the terminal
  • an obtaining unit configured to obtain address information of information related to the content of the television program being played by the IPTV device according to the information query request received by the receiving unit, where the terminal has established association with the IPTV device;
  • a sending unit configured to send, to the terminal, the address information acquired by the acquiring unit, so that the terminal acquires, according to the address information of the related information, from the information server, related to the content of the television program being played Information.
  • An interactive network television system comprising: a terminal, an IPTV device, an IPTV server, and an information server;
  • the terminal is configured to provide an IPTV service after establishing an association with an IPTV device that is playing a television program.
  • the IPTV server is configured to receive an information query request sent by the terminal, obtain address information of information related to the content of the television program being played by the IPTV device, and send the address information to the terminal;
  • the IPTV device is configured to play TV program content;
  • the information server is configured to store information related to the content of the television program being played.
  • the embodiment of the present invention sends an information query request to the IPTV server after establishing an association with the IPTV device that is playing the television program, and receives the television program that is sent by the IPTV server and is obtained according to the information query request and is being played. Address information of content-related information; based on the address information, information related to the content of the television program being played is acquired from the information server.
  • the terminal may obtain information related to the content of the television program being played by the IPTV device, and the user may view information related to the content of the television program being played by the IPTV device through the terminal. , improved user experience.
  • FIG. 1 is a schematic diagram of an embodiment of a method according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of an application scenario of a method according to an embodiment of the present disclosure
  • FIG. 3 is a schematic diagram of another embodiment of a method provided by an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of an application scenario in an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of another application scenario in the embodiment of the present invention.
  • FIG. 6 is a schematic diagram of another application scenario in the embodiment of the present invention.
  • FIG. 7 is a schematic diagram of an embodiment of a terminal in an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of another embodiment of a terminal in an embodiment of the present invention.
  • FIG. 9 is a schematic diagram of another embodiment of a terminal in an embodiment of the present invention.
  • FIG. 10 is a schematic diagram of another embodiment of a terminal according to an embodiment of the present invention.
  • FIG. 11 is a schematic diagram of another embodiment of a terminal in an embodiment of the present invention.
  • FIG. 12 is a schematic diagram of an embodiment of an IPTV server according to an embodiment of the present invention.
  • FIG. 13 is a schematic diagram of another embodiment of an IPTV server according to an embodiment of the present invention.
  • FIG. 14 is a schematic diagram of another embodiment of an IPTV server according to an embodiment of the present invention.
  • FIG. 15 is a schematic diagram of another embodiment of an IPTV server according to an embodiment of the present invention.
  • FIG. 16 is a schematic diagram of an embodiment of a system according to an embodiment of the present invention.
  • the embodiment of the invention provides a method for acquiring information, which can view information related to the content of the television program being played by the IPTV device, thereby improving the user experience.
  • the embodiments of the present invention also provide corresponding devices and systems. The details are described below separately.
  • the terminal provided by the embodiment of the present invention includes a mobile phone, a pad, a computer, and the like.
  • the interactive IPTV (Internet Protocol Television) device provided by the embodiment of the present invention includes a mobile phone, a pad, a computer, a combination of a set top box and a common television, and a network television. Wait. Referring to FIG. 1 , from a perspective of a terminal, an embodiment of a method for obtaining information provided by an embodiment of the present invention includes:
  • IPTV server 101 After establishing an association with an IPTV device that is playing a television program, send an information query request to the IPTV server.
  • a home network domain can support multiple terminals and IPTV devices, such as a home network domain containing computers, mobile phones, televisions, pads, and IPTV devices. Users who subscribe to the same home network domain and IPTV devices can pass the same User ID is logged in, that is, registration authentication is performed through the same user ID, and a session connection is established with the network side device.
  • IP Multimedia Subsystem Gateway IP Multimedia Subsystem Gateway
  • IG IP Multimedia Subsystem Gateway
  • other terminals in the same home network domain such as mobile phones
  • the IPTV device In the home network domain, you only need to log in with the user ID of the IPTV device.
  • ASM authentication session management entity
  • a home network domain can include multiple terminal devices, which terminal device is associated with it, it needs to be identified by the device identifier of the terminal.
  • the terminal needs to obtain the information related to the content of the television program being played, and firstly obtains the address information of the information related to the content of the television program being played, and the address information needs to be obtained from the IPTV server, that is, the information query is sent to the IPTV server. After the request, the IPTV server queries the address information according to the information query request, and returns the queried address information to the terminal. 102. Receive, by the IPTV server, address information of information related to the content of the television program being played according to the information query request.
  • Information related to the content of the television program being played includes, but is not limited to, advertisements, actors, plots, music, and the like.
  • the address information is an address that stores the information related to the content of the television program being played.
  • the terminal sends an information query request to the IPTV server, and after receiving the information query request, the IPTV server obtains address information of the information related to the content of the currently broadcasted television program according to the information query request, and the query is The address information obtained is returned to the terminal.
  • the address information may be a link to information related to the content of the television program being played, and the terminal may obtain a specific advertisement information from the information server according to a click event of the user, such as clicking a link of a milk tea, and establishing a connection with the information server.
  • the information query request is sent to the IPTV server; and the television that is sent by the IPTV server and is obtained according to the information query request and is being played is received.
  • Address information of information related to the program content; according to the address information, information related to the content of the television program being played is acquired from the information server.
  • the terminal may obtain information related to the content of the television program being played by the IPTV device, and the user may view information related to the content of the television program being played by the IPTV device through the terminal. , improved user experience.
  • the establishing, by the terminal, the IPTV device that is playing the television program includes: acquiring, by the terminal, the user identifier and the device identifier of the IPTV device;
  • the terminal establishes a connection with the IP multimedia subsystem IMS gateway according to the user identifier of the IPTV device; Identifying, establishing a connection with the IPTV device.
  • the terminal and the IPTV device are devices belonging to the same home network domain, because the IPTV device has established a session, indicating that the IPTV device has established a connection with the IG, so that the terminal uses the same as the IPTV device.
  • the IG does not need to perform authentication and authentication.
  • the IG device After joining the home network domain, the IG device establishes a connection with the IPTV device according to the device identifier of the IPTV device.
  • the establishing, by the terminal, the IPTV device that is playing the television program includes: acquiring, by the terminal, the user identifier of the IPTV device, according to the The user identifier of the terminal establishes a connection with the authentication session management entity ASM; and the connection is established directly or indirectly with the IPTV device according to the device identifier of the IPTV device.
  • the terminal and the IPTV device are not devices in the same home network domain, and the terminal first needs to join the IPTV network, and needs to use the user identifier of the terminal to log in, and the ASM performs registration authentication, and then Join the IPTV network.
  • the connection After joining the IPTV network, the connection is established directly or indirectly with the IPTV device according to the device identifier of the IPTV device.
  • Directly establishing an association connection generally means that the IPTV device does not have any restrictions, and any terminal can establish a connection with it, such as: an open IPTV device function entity (OITF, Open IPTV Terminal Function) in a public place such as a shopping mall, a bus, or a subway.
  • OITF Open IPTV Terminal Function
  • Indirectly establishing an association connection generally refers to the IPTV device setting restrictions, which need to be verified before a connection can be established, such as an IPTV device for home use.
  • the establishing, by the terminal, the connection with the IPTV device specifically: the terminal sending an authentication request to the IPTV control entity; the terminal receiving the verification indication response sent by the IPTV control entity, when the verification indication response indication If the service file of the IPTV device is completely disclosed, the connection is directly established with the IPTV device; when the verification indication response indicates that the terminal satisfies the condition for establishing a connection with the IPTV device, the connection is established indirectly with the IPTV device.
  • FIG. 2 For the process in which terminals of different home network domains join the home network domain where the IPTV device is located, refer to FIG. 2 for understanding:
  • the terminal 1 and the IPTV device belong to the same home network domain, and the terminal 2 and the IPTV device belong to different home network domains, and the terminal 1 is to join the home network domain where the IPTV device is located, and only needs to access the interactive through the IP multimedia subsystem gateway.
  • the network television service provides a network
  • the terminal 2 first needs to join the IPTV network
  • the mobile network and the mobile gateway of the IPTV service network need to perform ASM authentication and authentication before joining the IPTV network.
  • another embodiment of the method for obtaining information provided by the embodiment of the present invention includes:
  • the IPTV server acquires address information of information related to the content of the television program being played by the IPTV device according to the information inquiry request.
  • the information query request carries the user identifier and the device identifier of the IPTV device.
  • the obtaining the address information of the information related to the content of the television program being played by the IPTV device specifically includes: according to the user identifier of the IPTV device Obtaining, by the device identifier, an identifier of the television program content being played by the IPTV device; acquiring, according to the identifier of the television program content being played by the IPTV device, a playback offset time point of the currently broadcasted television program content; The identifier of the television program content and the playback offset time point of the content of the currently broadcasted television program acquires address information of information related to the content of the television program being played.
  • the playback offset time point refers to: based on the playback start time of the television program being played by the IPTV device, the IPTV server performs time inquiry according to the information query request or the IPTV server performs time through other devices. At the time of inquiry, the playback time point of the television program being played. Since the terminal itself cannot directly determine when the program being played on the IPTV device has been played when the information inquiry request is sent, it is necessary to acquire the time point by means of the IPTV server. The time point at which the terminal transmits the information inquiry request is obtained by using the playback offset time point acquired by the IPTV server, thereby acquiring address information of information related to the content of the television program being played.
  • the process of establishing an association between the terminal and the IPTV device and the operation process before acquiring the address information may have a time delay, so obtaining the address information is: starting from a playback offset time point of the content of the currently broadcasted television program For a preset period of time, and the address information related to the content of the television program being played, the preset time may be 30 seconds, 1 minute or other time, depending on the specific situation, do not do it. Any restrictions.
  • the information query request sent by the terminal is received; and the address information of the information related to the content of the television program being played by the IPTV device is obtained according to the information query request, where the terminal and the IPTV device are established. Correlating; sending the address information to the terminal to make the end And acquiring information related to the content of the television program being played from the information server according to the address information of the related information.
  • the method provided by the embodiment of the present invention can enable another terminal to obtain information related to the content of the television program being played, and the user can view information related to the content of the television program being played through the terminal, thereby improving The user experience.
  • the playback time of the TV program content is offset; there are three schemes for obtaining the playback offset time point, one of which is the playback offset time point acquisition scheme of the content on demand (CoD, Content on Demand) service, and the other two are the live broadcast content. (SC, Scheduled Content)
  • the playback offset time point acquisition scheme of the service is introduced separately below:
  • Obtaining a playback offset time point of the CoD service the acquiring, according to the identifier of the television program content that the IPTV device is playing, acquiring a playback offset time point of the currently broadcasted television program content, specifically: the IPTV server
  • the content distribution function entity sends a first time point acquisition request, where the first time point acquisition request carries an identifier of the currently broadcasted television program content; and receives an identifier of the content distribution function entity according to the program content being played. Determining a playback offset time point of the television program content of the on-demand service being played by the IPTV device.
  • the specific process of obtaining the playback offset time point by the content distribution function entity is: the IPTV server finds a content distribution function entity that provides the television program content to the IPTV device according to the user identifier and the device identifier of the IPTV device, and then distributes the content to the content.
  • the function entity sends a first time point acquisition request, where the first time point acquisition request carries an identifier of the currently broadcasted television program content, and the content distribution function entity searches for the identifier according to the identifier of the currently broadcasted television program content.
  • the content of the television program being played, the playback offset time point of the content of the television program being played is obtained, and then the playback offset time point is returned to the IPTV server.
  • the playback offset time point is specifically: based on the playback start time of the television program being played by the IPTV device, the content distribution function entity searches for the being played according to the identifier of the currently broadcasted television program content. At the time of the television program content, the time at which the content of the currently broadcasted television program is played. For example, when the content distribution function entity finds the content of the television program being played, the time of playing the content of the television program being played is 20 minutes and 40 seconds, and the playback offset time is 20 minutes and 40 seconds.
  • An acquisition scheme for the playback offset time of the SC service is: the The IPTV server sends a content report request to the IPTV device, where the identifier of the content of the broadcasted television program is obtained, and the IPTV server sends the content report request to the IPTV device.
  • the identifier of the television program content is received; and the playback offset time point of the television program content of the live broadcast service being played according to the identifier of the currently broadcasted television program content is received by the IPTV device.
  • the playback offset time point is specifically: based on the playback start time of the television program being played by the IPTV device, when the IPTV device receives the content report request, the time when the currently broadcasted television program is played point.
  • Another acquisition scheme for the playback offset time of the SC service is as follows: the acquiring, according to the identifier of the television program content that the IPTV device is playing, the playback offset time point of the content of the television program being played, specifically includes: The IPTV server queries the electronic program menu according to the identifier of the content of the television program being played, and queries the start time of the television program content of the live broadcast service that the IPTV device is playing from the electronic program menu; according to the start The playing time and the time when the electronic program menu is queried determine the playback offset time point of the television program content of the live broadcast service being played.
  • the playback offset time point is specifically based on the playback start time of the television program being played by the IPTV device, and when the IPTV server queries the electronic program menu, the television program being played is played to the time point.
  • the three solutions can obtain the playback offset time point for different services.
  • the IPTV control entity After the IPTV control entity obtains the playback offset time point, the IPTV control entity can obtain the address information according to the solution in the corresponding step 202 in FIG.
  • the method further includes: establishing, after the terminal is associated with the IPTV device, establishing or changing a storage record associated with the IPTV device by the terminal.
  • the previous storage record is updated, and when there is no storage record, the storage record associated with the IPTV device is established.
  • the terminal After the terminal establishes an association with the IPTV device, the associated state is not exited, and after the IPTV device switches channels, the request sent by the terminal to establish association with the content of the television program being played by the IPTV device is received; Determining, by using the association established by the terminal with the IPTV device, transmitting, to the terminal, address information of information associated with the content of the television program being played by the IPTV device.
  • the terminal After the terminal is associated with the IPTV device, when the terminal does not exit the association state, when the IPTV device changes the station, when the terminal sends the query request again, it does not need to perform any associated operation, and the IPTV control
  • the entity returns the address information to the terminal based on the stored or changed storage record. In this way, the solution provided by the embodiment of the present invention can automatically perform channel tracking after the IPTV device changes channels.
  • the terminal If the terminal has quit the association with the IPTV device, it needs to re-establish association with the IPTV device.
  • the IPTV server provided in the embodiment of the present invention is an integrated device.
  • the IPTV server can be divided into two devices: an IPTV control entity IPTV service file entity and an IPTV data storage server.
  • IPTV control entity IPTV service file entity IPTV service file entity
  • IPTV data storage server IPTV data storage server
  • FIG. 4 is a process of acquiring, by the terminal, information related to the content of the television program being played by the IPTV device in the same contracted network in the case of a CoD session, specifically:
  • IPTV interactive network television
  • the user identifier of the IPTV device is already stored in the IP multimedia subsystem gateway.
  • the terminal knows that the user identifier of the terminal is the same as the user identifier of the IPTV device.
  • the terminal uses the user identifier of the IPTV device to log in to the IP multimedia subsystem gateway.
  • the terminal sends an information query request to the IMS gateway.
  • A5 The information query request is sent by the IMS gateway to the IPTV control entity, where the information query request carries the user identifier of the IPTV device and the device identifier of the IPTV device.
  • the IPTV control entity searches the IPTV service file entity for the content distribution (RTSP) session identifier of the IPTV device and the identifier of the television program content being played, according to the user identifier and the device identifier of the IPTV device.
  • RTSP content distribution
  • the IPTV control entity sends a first time point acquisition request to the content distribution function entity, where the first time point acquisition request carries the content distribution session identifier of the IPTV device and the identifier of the program content being played.
  • the content distribution function entity determines, according to the content distribution session identifier of the IPTV device and the identifier of the program content being played, the content of the television program being played by the IPTV device, and acquiring The playback time of the broadcasted TV program content is offset.
  • the content distribution function entity sends the play offset time point to the IPTV control entity.
  • the IPTV control entity sends an address information query request to the IPTV data storage entity, where the address information query request carries the identifier of the television program content being played and the playback offset time point of the currently broadcasted television program content.
  • the IPTV control entity sends the address information to the terminal.
  • the terminal acquires information related to the currently broadcasted television program from the information server according to the address information.
  • FIG. 5 is a process for the terminal to acquire information about the content of the television program being played by the IPTV device in the same contracted network in the case of the SC session, specifically:
  • IPTV Interactive Network Television
  • B2 ⁇ B6 are the same as A2 ⁇ A6 in the above scenario, and will not be described in detail here.
  • the IPTV device reports, to the IPTV control entity, a playback offset time point of the content of the television program being played.
  • the IPTV control entity sends a second time point acquisition request to the IPTV data storage entity, where the second time point acquisition request carries the identifier of the currently broadcasted television program content.
  • the ⁇ ⁇ data storage entity queries the electronic program menu based on the identification of the content of the television program being played, and queries the electronic program menu for the initial playback time of the content of the television program being played.
  • the IPTV data storage entity sends the initial play time to the IPTV control entity.
  • the B12 IPTV control entity determines a playback offset time point of the currently broadcasted television program content according to the initial play time and the time when the electronic program menu is queried.
  • the process of B13-B18 is the same as that of A10 ⁇ A15 in the above scenario, and will not be described in detail here.
  • the terminal and the interactive network television terminal in FIG. 4 and FIG. 5 have the same user identity under the same contractual relationship. Referring to FIG. 6, the terminal and the interactive network television terminal are all in different contracting relationships.
  • the CoD service is taken as an example to illustrate the process in which the terminal acquires the associated information of the television program content being played by the IPTV device:
  • IPTV Interactive Network Television
  • the terminal knows that the user identifier of the terminal is different from the user identifier of the IPTV device.
  • the terminal performs registration authentication at the authentication session management entity by using its own user identifier.
  • the request for establishing the association is sent by the ASM to the IPTV control entity, and the request for establishing the association with the IPTV device carries the user identifier of the IPTV device and the device identifier of the IPTV device.
  • the IPTV control entity searches, according to the user identifier and the device identifier of the IPTV device, the IPTV service file entity to find that the device meets the condition for establishing the association;
  • the condition that the association is established includes that the IPTV device is not full, and the user identifier and the device identifier of the terminal that sends the association request are not prohibited from being associated by the IPTV device.
  • the IPTV control entity determines an association level and an association time of the terminal.
  • the IPTV control entity sends a setting request to the IPTV service file entity, where the setting request carries the association level and the association time of the determining terminal.
  • the C12 IPTV service file entity sets the start time and end time associated with the association level of the terminal.
  • C13 ⁇ C15 sending an indication that the association is allowed to be established to the terminal.
  • the process of obtaining the associated information is the same as that of A4 ⁇ A15 in FIG. 4, and details are not described herein again. If the IPTV device is placed in a public place, then only steps C1 ⁇ C3 need to be performed, followed by C4 C15 can be omitted, because IPTV equipment in public places is open to all users.
  • an embodiment of a terminal provided by an embodiment of the present invention includes:
  • An association unit 401 configured to establish an association with an IPTV device that is playing a television program
  • the sending unit 402 is configured to send an information query request to the IPTV server after the association unit 401 establishes an association with the IPTV device;
  • the receiving unit 403 is configured to receive, by the IPTV server, address information of information related to the content of the television program being played according to the information query request;
  • the obtaining unit 404 is configured to obtain, according to the address information received by the receiving unit 403, information related to the content of the television program being played from the information server.
  • the association unit 401 is associated with the IPTV device that is playing the television program; the sending unit 402 sends an information query request to the IPTV server after the association unit 401 establishes an association with the IPTV device; The address information of the information related to the content of the television program being played, which is sent by the IPTV server according to the information query request; the obtaining unit 404, according to the address information received by the receiving unit 403, The information server obtains information related to the content of the television program being played.
  • the terminal provided by the embodiment of the present invention may acquire information related to the content of the television program being played by the IPTV device after establishing association with the IPTV device that is playing the television program, and the user may pass the terminal. View the relevant information to improve the user experience.
  • the embodiment of the present invention further includes: the association unit 401, the association unit 401 includes:
  • a first obtaining sub-unit 4011 configured to acquire a user identifier and a device identifier of the IPTV device
  • a first connection sub-unit 4012 configured to: when the user identifier of the terminal acquired by the first acquiring sub-unit 4011 and the IPTV device When the user identifiers are the same, according to the user identifier and IP of the IPTV device
  • the media subsystem IMS gateway establishes a connection, and establishes a connection with the IPTV device according to the device identifier of the IPTV device.
  • another embodiment of the terminal provided by the embodiment of the present invention further includes: the association unit 401, where the association unit 401 includes:
  • a second obtaining sub-unit 4013 configured to acquire a user identifier and a device identifier of the IPTV device
  • a second connection sub-unit 4014 configured to: when the user identifier acquired by the second acquiring sub-unit 4013 and the user of the IPTV device
  • a connection is established with the authentication session management entity ASM according to the user identifier of the terminal, and a connection is directly or indirectly established with the IPTV device according to the device identifier of the IPTV device.
  • another embodiment of the terminal provided by the embodiment of the present invention further includes: the association unit 401, and the second connection subunit 4014 in the association unit 401.
  • the association unit 401 and the second connection subunit 4014 in the association unit 401.
  • a sending subunit 40141 configured to send an authentication request to the IPTV control entity
  • the receiving subunit 40142 is configured to receive a verification indication response sent by the IPTV control entity, where the third connection subunit 40143 is configured to: when the receiving subunit 40142 receives the verification indication response, indicating that the service file of the IPTV device is completely If the authentication indication received by the receiving subunit 40142 indicates that the terminal satisfies the condition for establishing a connection with the IPTV device, the connection is established indirectly with the IPTV device.
  • the terminal provided by the foregoing multiple embodiments may acquire information related to the content of the television program being played by the IPTV device after the association with the IPTV device that is playing the television program, and the user may view the related device through the terminal. Information that enhances the user experience.
  • an embodiment of an interactive network television server includes: a receiving unit 501, configured to receive an information query request sent by a terminal;
  • the obtaining unit 502 is configured to obtain address information of information related to the content of the television program being played by the IPTV device according to the information query request received by the receiving unit 501, where the terminal has established association with the IPTV device;
  • the sending unit 503 is configured to send the address information acquired by the acquiring unit 502 to the terminal, so that the terminal acquires the television program that is being played from the information server according to the address information of the related information. Content related information.
  • the receiving unit 501 receives an information query request sent by the terminal; Obtaining, according to the information query request received by the receiving unit 501, address information of information related to the content of the television program being played by the IPTV device, where the terminal has established association with the IPTV device; The terminal sends the address information acquired by the obtaining unit 502, so that the terminal acquires information related to the content of the television program being played from the information server according to the address information of the related information.
  • the interactive network television server provided by the embodiment of the present invention can enable the terminal to obtain information related to the content of the television program being played by the IPTV device, and the user can view the related information through the terminal. Improve the user experience.
  • another embodiment of the interactive network television server provided by the embodiment of the present invention further includes: the information query request carrying the user identifier and the device identifier of the IPTV device;
  • the obtaining unit 502 is specifically configured to acquire, according to the user identifier and the device identifier of the IPTV device, an identifier of the television program content that is being played by the IPTV device, and obtain the identifier according to the identifier of the television program content that the IPTV device is playing. a playback offset time point of the content of the television program being played; obtaining, according to the identifier of the content of the television program being played and the playback offset time point of the content of the television program being played, acquiring the content of the television program being played The address information of the message.
  • another embodiment of the interactive network television server according to the embodiment of the present invention further includes: the obtaining unit 502, the obtaining unit 502 includes:
  • the first sending sub-unit 5021 is configured to send a first time point acquisition request to the content distribution function entity, where the first time point acquisition request carries the identifier of the currently broadcasted television program content; the first receiving subunit 5022, And a playback offset time point for receiving, by the content distribution function entity, the television program content of the on-demand service that the IPTV device is playing according to the identifier of the program content being played.
  • another embodiment of the interactive network television server according to the embodiment of the present invention further includes: the obtaining unit 502, the obtaining unit 502 includes:
  • a second sending subunit 5023 configured to send a content report request to the IPTV device, where the content report request carries an identifier of the content of the television program being played;
  • a second receiving subunit 5024 configured to receive, by the IPTV device, a play offset time of the television program content of the live broadcast service being played according to the identifier of the currently broadcasted television program content. Point.
  • another embodiment of the interactive network television server provided by the embodiment of the present invention further includes: the obtaining unit 502, where the obtaining unit 502 includes:
  • the first query subunit 5025 is configured to query an electronic program menu according to the identifier of the content of the television program being played, and query, from the electronic program menu, the initial play of the television program content of the live broadcast service being played by the IPTV device.
  • the determining subunit 5026 is configured to determine, according to the initial playing time queried by the first query subunit 5025 and the time when the electronic program menu is queried, the playing offset time point of the television program content of the live broadcast service being played.
  • another embodiment of the interactive network television server provided by the embodiment of the present invention further includes: the acquiring unit 502, the acquiring unit 502 Includes:
  • a second query subunit 5027 configured to query, according to the identifier of the content of the television program being played, all address information of information related to the content of the television program being played by the IPTV device;
  • the filtering sub-unit 5028 is configured to filter out, from all the address information queried by the second query sub-unit 5027, a preset time from a playback offset time point of the currently-played television program content. Address information.
  • the interactive network television server provided by the above embodiments can enable the terminal to obtain information related to the content of the television program being played by the IPTV device, and the user can view the related information through the terminal, thereby improving the user experience.
  • an embodiment of an interactive network television system includes: a terminal 40, an IPTV device 30, an IPTV server 50, and an information server 60;
  • the terminal 40 is configured to send an information query request to the IPTV server 50 after establishing association with the IPTV device 30 that is playing the television program; and receive information related to the content of the television program being played by the IPTV server 50. Address information; obtaining, according to the address information, information related to the content of the television program being played from the information server;
  • the IPTV server 50 is configured to receive an information query request sent by the terminal, acquire address information of information related to the content of the television program being played by the IPTV device 30, and send the address information to the terminal;
  • the IPTV device 30 is configured to play television program content;
  • the information server 60 is configured to store information related to the content of the television program being played.
  • the system provided by the embodiment of the present invention can enable the terminal to obtain information related to the content of the television program being played by the IPTV device, and the user can view the related information through the terminal, thereby improving the user experience.
  • another embodiment of an interactive network television system includes: a terminal, an IPTV device, an IP multimedia subsystem gateway, an authentication session management entity, an IPTV control entity, and an interactive network.
  • a television service file entity an IPTV data storage server, a content distribution functional entity, and an information server;
  • the terminal is configured to send an information query request to the IPTV control entity after the association with the IPTV device that is playing the television program, and receive the information that is sent by the IPTV control entity according to the information query request and is being played.
  • Address information of information related to the content of the television program; according to the address information, information related to the content of the television program being played is acquired from the information server.
  • the IPTV device is configured to play a television program
  • the IP multimedia subsystem gateway is used for controlling a terminal or an IPTV device to access an interactive network television service in a home network;
  • the authentication session management entity is used for user authentication, session management, and charging;
  • the IPTV control entity is configured to acquire, from an IPTV service file entity, an identifier of the content of the television program being played, acquire a play time of the content of the television program being played, and acquire, from the data storage server, the television program that is being played.
  • Content-related information the information is sent to the terminal;
  • the IPTV service file entity is configured to save a user information file that the user subscribes to the service provider;
  • the IPTV data storage server is configured to use the television that is being played
  • An identifier of the program content querying all address information of information related to the content of the television program being played by the IPTV device; and screening, from the all address information, a playback offset time point from the content of the television program being played Start address information for a preset period of time;
  • the content distribution function entity is configured to control and transmit the content of the service
  • the information server is configured to store information associated with television program content.
  • an embodiment of an interactive network television system includes: a terminal, an IPTV device, and an IP.
  • Multimedia Subsystem Gateway Authentication Session Management Entity, IPTV Control Entity, Interactive a network television service file entity, an IPTV data storage server, a transport processing function entity, and an information server;
  • the terminal 40 is configured to send an information query request to the IPTV server 50 after establishing association with the IPTV device 30 that is playing the television program; and receive information related to the content of the television program being played by the IPTV server 50. Address information; obtaining, according to the address information, information related to the content of the television program being played from the information server;
  • the IPTV server 50 is configured to receive an information query request sent by the terminal, obtain address information of information related to the content of the television program being played by the IPTV device 30, and send the address information to the terminal;
  • the IPTV device 30 is configured to play television program content
  • the information server 60 is configured to store information related to the content of the television program being played.
  • the system provided by the embodiment of the present invention can enable the terminal to obtain information related to the content of the television program being played by the IPTV device, and the user can view the related information through the terminal, thereby improving the user experience.
  • another embodiment of an interactive network television system includes: a terminal, an IPTV device, an IP multimedia subsystem gateway, an authentication session management entity, an IPTV control entity, and an interactive network.
  • a television service file entity an IPTV data storage server, a content distribution functional entity, and an information server;
  • the terminal is configured to send an information query request to the IPTV control entity after the association with the IPTV device that is playing the television program, and receive the information that is sent by the IPTV control entity according to the information query request and is being played.
  • Address information of information related to the content of the television program; according to the address information, information related to the content of the television program being played is acquired from the information server.
  • the IPTV device is configured to play a television program
  • the IP multimedia subsystem gateway is used for controlling a terminal or an IPTV device to access an interactive network television service in a home network;
  • the authentication session management entity is used for user authentication, session management, and charging;
  • the IPTV control entity is configured to acquire, from an IPTV service file entity, an identifier of the content of the television program being played, acquire a play time of the content of the television program being played, and acquire, from the data storage server, the television program that is being played.
  • Content-related information the information is sent to the terminal;
  • the IPTV service file entity is configured to save a user information file that the user subscribes to the service provider;
  • the IPTV data storage server is configured to query, according to the identifier of the content of the television program being played, all address information of information related to the content of the television program being played by the IPTV device; and filter from all the address information And an address information of a preset time period from a playback offset time point of the currently broadcasted television program content;
  • the transmission processing function entity is configured to control and transmit live content
  • the information server is configured to store information associated with television program content.
  • the system embodiment provided above can enable the terminal to obtain information related to the television program being played by the IPTV device in real time, and the user can view information related to the television program being played by the IPTV device through the terminal, without affecting the broadcast of the television program, thereby improving user experience.
  • the program can be stored in a computer readable storage medium.
  • the storage medium can include: ROM, RAM, disk or CD, etc.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Human Computer Interaction (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

本发明公开了一种获取信息的方法，与正在播放电视节目的IPTV设备建立关联后，向IPTV服务器发送信息查询请求；接收所述IPTV服务器发送的、根据所述信息查询请求获取的、与所述正在播放的电视节目内容相关的信息的地址信息；根据所述地址信息，从信息服务器获取与所述正在播放的电视节目内容相关的信息。本发明实施例提供的方法，终端可以获取与IPTV设备正在播放的电视节目内容相关的信息，用户可以通过所述终端查看与IPTV设备正在播放的电视节目内容相关的信息，提高了用户体验。

Description

一种获取信息的方法、 设备及系统
本申请要求于 2012年 6月 6日提交中国专利局、 申请号为 201210184159A 发明名称为"一种获取信息的方法、 设备及系统"的中国专利申请的优先权， 其全 部内容通过引用结合在本申请中。
技术领域 本发明涉及通信技术领域， 具体涉及一种获取信息的方法、 设备及系统。 背景技术
传统电视是广告的一个重要传播媒介， 但在电视上广告只起到宣传的作 用， 如果用户想要获取更详细的商品信息， 甚至购买的话， 需要再通过打电话、 去商场或上网的途径得到。 而交互式网络电视（ IPTV, Internet Protocol Television ) 融合了传统的广播电视业务、 互联网上的各种应用、 以及新兴的通信业务， 彻 底改善了传统单向广播式媒体传播方式的弊端。 用户不仅可以自主的选择和控 制收视内容， 也可以直接与广告内容互动， 实现在线即时购物。
交互式网络电视的内容点播（CoD, Content on Demand ) 业务主要是在节 目播放前、 后或暂停时插入广告； 直播内容（SC, Scheduled Content )业务也主 要是在节目播放前、 后插入广告， 这些广告与节目内容基本毫无关系， 也不是 用户主动要收看的广告， 对广告商来说， 这样的广告投放效杲并不一定好。
目前有一种技术是在电视屏幕的中间位置播放电视节目， 在四周边框处插 入各种其他信息， 如广告， 用户可以根据自己的兴趣选择。 但这样的方案不仅 缩小了节目的观看空间， 导致用户体验不好。 而且， 要了解广告中产品的信息 都需要直接在屏幕上点击， 然后跳转到链接的内容。 这样导致当前正在播放的 内容无法继续， 而且不适合直播的电视节目， 尤其是电视在多人观看的情况下， 更不适合去查看产品信息。
发明内容
本发明实施例提供一种获取信息的方法， 从而提高用户体验。 本发明实施 例还提供了相应的设备及系统。
一种获取信息的方法， 包括：
与正在播放电视节目的 IPTV设备建立关联后， 向 IPTV服务器发送信息查询 请求；
接收所述 IPTV服务器发送的、 根据所述信息查询请求获取的、 与所述正在 播放的电视节目内容相关的信息的地址信息；
根据所述地址信息， 从信息服务器获取与所述正在播放的电视节目内容相 关的信息。
一种获取信息的方法， 包括：
接收终端发送的信息查询请求；
根据所述信息查询请求， 获取与 IPTV设备正在播放的电视节目内容相关的 信息的地址信息， 其中， 所述终端与所述 IPTV设备已建立关联；
向所述终端发送所述地址信息， 以使所述终端根据所述相关的信息的地址 信息， 从信息服务器获取与所述正在播放的电视节目内容相关的信息。
一种终端， 包括：
关联单元 , 用于与正在播放电视节目的 IPTV设备建立关联；
发送单元， 用于在所述关联单元与所述 IPTV设备建立关联后， 向 IPTV服务 器发送信息查询请求；
接收单元， 用于接收所述 IPTV服务器发送的、 根据所述信息查询请求获取 的、 与所述正在播放的电视节目内容相关的信息的地址信息；
获取单元， 用于根据所述接收单元接收到的所述地址信息， 从信息服务器 获取与所述正在播放的电视节目内容相关的信息。
一种交互式网络电视服务器， 包括：
接收单元， 用于接收终端发送的信息查询请求；
获取单元， 用于根据所述接收单元接收到的信息查询请求， 获取与 IPTV设 备正在播放的电视节目内容相关的信息的地址信息， 其中， 所述终端与所述 IPTV 设备已建立关联；
发送单元， 用于向所述终端发送所述获取单元获取的所述地址信息， 以使 所述终端根据所述相关的信息的地址信息， 从信息服务器获取与所述正在播放 的电视节目内容相关的信息。
一种交互式网络电视系统， 包括： 终端、 IPTV设备、 IPTV服务器和信息服 务器；
所述终端， 用于与正在播放电视节目的 IPTV设备建立关联后， 向 IPTV服务 器发送信息查询请求； 接收所述 IPTV服务器发送的与所述正在播放的电视节目 内容相关的信息的地址信息； 根据所述地址信息， 从信息服务器获取与所述正 在播放的电视节目内容相关的信息；
所述 IPTV服务器， 用于接收终端发送的信息查询请求； 获取与 IPTV设备正 在播放的电视节目内容相关的信息的地址信息， 向所述终端发送所述地址信息； 所述 IPTV设备， 用于播放电视节目内容；
所述信息服务器， 用于存储与所述正在播放的电视节目内容相关的信息。 本发明实施例采用与正在播放电视节目的 IPTV设备建立关联后， 向 IPTV服 务器发送信息查询请求； 接收所述 IPTV服务器发送的、 根据所述信息查询请求 获取的、 与所述正在播放的电视节目内容相关的信息的地址信息； 根据所述地 址信息， 从信息服务器获取与所述正在播放的电视节目内容相关的信息。 与现 有技术相比， 本发明实施例提供的方法， 终端可以获取与 IPTV设备正在播放的 电视节目内容相关的信息， 用户可以通过所述终端查看与 IPTV设备正在播放的 电视节目内容相关的信息， 提高了用户体验。
附图说明 图 1是本发明实施例提供的方法的一实施例示意图；
图 2是本发明实施例提供的方法的一应用场景实施例示意图；
图 3是本发明实施例提供的方法的另一实施例示意图；
图 4是本发明实施例中一应用场景实施例示意图；
图 5是本发明实施例中另一应用场景实施例示意图；
图 6是本发明实施例中另一应用场景实施例示意图；
图 7是本发明实施例中终端的一实施例示意图；
图 8是本发明实施例中终端的另一实施例示意图；
图 9是本发明实施例中终端的另一实施例示意图；
图 10是本发明实施例中终端的另一实施例示意图；
图 11是本发明实施例中终端的另一实施例示意图；
图 12是本发明实施例中 IPTV服务器的一实施例示意图；
图 13是本发明实施例中 IPTV服务器的另一实施例示意图；
图 14是本发明实施例中 IPTV服务器的另一实施例示意图；
图 15是本发明实施例中 IPTV服务器的另一实施例示意图； 图 16是本发明实施例提供的系统的一实施例示意图。
具体实施方式
本发明实施例提供一种获取信息的方法， 可以查看与 IPTV设备正在播放的 电视节目内容相关的信息， 提高了用户体验。 本发明实施例还提供了相应的设 备及系统。 以下分别进行详细说明。
本发明实施例提供的终端包括手机、 pad、 电脑等设备、 本发明实施例提供 的交互式网络电视 ( IPTV, Internet Protocol Television )设备包括手机、 pad, 电 脑、 机顶盒与普通电视的组合、 网络电视等。 参阅图 1 , 从终端的角度来看， 本发明实施例提供的获取信息的方法的一实 施例包括：
101、 与正在播放电视节目的 IPTV设备建立关联后， 向 IPTV服务器发送信 息查询请求。
一个家庭网络域中可以支持多个终端和 IPTV设备， 如一个家庭网络域中包 含电脑、 手机、 电视机、 pad和 IPTV设备， 用户签约在同一个家庭网络域的终端 和 IPTV设备可以通过同一个用户标识登录， 也就是通过同一个用户标识进行注 册鉴权， 与网络侧设备建立会话连接。
当 IPTV设备已经通过 IP多媒体子系统网关 （ IG , IP Multimedia Subsystem Gateway )注册鉴权， 建立了一个会话连接， 那么同一个家庭网络域的其他终端， 如手机， 要加入 IPTV设备已建立会话连接的家庭网络域， 只需要用 IPTV设备的 用户标识登陆即可。 当 IPTV设备所在的家庭网络域外的终端要加入 IPTV设备已 建立会话连接的 IPTV网络， 需要使用该终端的用户标识登陆， 通过鉴权会话管 理实体（ASM, Authentication Session Management )进行注册鉴权， 通过后， 才 能加入 IPTV网絡。
因一个家庭网络域中可以包括多个终端设备， 具体要与哪个终端设备建立 关联， 需要通过该终端的设备标识来识别。
终端要获取与正在播放的电视节目内容相关的信息， 首先要获取与所述正 在播放的电视节目内容相关的信息的地址信息， 所述地址信息需要从 IPTV服务 器获取， 即向 IPTV服务器发送信息查询请求， IPTV服务器根据信息查询请求查 询到所述地址信息后， 将查询到的地址信息返回给终端。 102、 接收所述 IPTV服务器发送的、 根据所述信息查询请求获取的、 与所述 正在播放的电视节目内容相关的信息的地址信息。
与正在播放的电视节目内容相关的信息包括但不限于广告、 演员、 剧情、 音乐等。
地址信息为存储所述与正在播放的电视节目内容相关的信息的地址。
终端向 IPTV服务器发送信息查询请求， IPTV服务器接收到所述信息查询请 求后， 根据所述信息查询请求， 获取的与所述正在播放的电视节目内容相关的 信息的地址信息， 并将所述查询到的地址信息返回给终端。
103、 根据所述地址信息， 从信息服务器获取与所述正在播放的电视节目内 容相关的信息。
地址信息中可以为与正在播放的电视节目内容相关的信息的链接， 终端可 以根据用户的点击事件， 如点击一个奶茶的链接， 终端建立与信息服务器的连 接， 从信息服务器获取具体的广告信息。
本发明实施例中， 与正在播放电视节目的 IPTV设备建立关联后， 向 IPTV服 务器发送信息查询请求； 接收所述 IPTV服务器发送的、 根据所述信息查询请求 获取的、 与所述正在播放的电视节目内容相关的信息的地址信息； 根据所述地 址信息， 从信息服务器获取与所述正在播放的电视节目内容相关的信息。 与现 有技术相比， 本发明实施例提供的方法， 终端可以获取与 IPTV设备正在播放的 电视节目内容相关的信息， 用户可以通过所述终端查看与 IPTV设备正在播放的 电视节目内容相关的信息， 提高了用户体验。
可选地， 在上述图 1对应的实施例的基础上， 步骤 101中的所述与正在播放 电视节目的 IPTV设备建立关联， 具体包括： 终端获取所述 IPTV设备的用户标识 和设备标识； 当所述终端的用户标识与所述 IPTV设备的用户标识相同时， 所述 终端根据所述 IPTV设备的用户标识与 IP多媒体子系统 IMS网关建立连4矣； 所述终 端根据所述 IPTV设备的设备标识， 与所述 IPTV设备建立连接。
本发明实施例提供的方法， 终端与 IPTV设备是属于同一个家庭网络域中的 设备， 因为 IPTV设备已经建立了会话， 说明 IPTV设备已经与 IG建立了连接， 这 样， 该终端使用与 IPTV设备相同的用户标识登陆时， IG就不需要再进行认证鉴 权了， 加入家庭网络域后， 根据 IPTV设备的设备标识， 与所述 IPTV设备建立连 接。 可选地， 在上述图 1对应的实施例的基础上， 步骤 101中的所述与正在播放 电视节目的 IPTV设备建立关联， 具体包括： 终端获取所述 IPTV设备的用户标识 述终端根据所述终端的用户标识与鉴权会话管理实体 ASM建立连接； 所述根据 所述 IPTV设备的设备标识， 直接或间接与所述 IPTV设备建立连接。
本发明实施例提供的方法， 终端与 IPTV设备不是同一个家庭网络域中的设 备， 该终端首先要加入 IPTV网络， 需要使用该终端的用户标识登陆， 通过 ASM 进行注册鉴权， 通过后， 才能加入 IPTV网絡。
加入 IPTV网絡后， 根据所述 IPTV设备的设备标识， 直接或间接与所述 IPTV 设备建立连接。
直接建立关联连接一般是指 IPTV设备不设任何限制， 任何终端都可以与之 建立连接， 如： 商场、 公交、 地铁等公共场所的开放 IPTV设备功能实体（OITF, Open IPTV Terminal Function )。
间接建立关联连接一般是指 IPTV设备设置限制， 需要通过验证后才能建立 连接， 如家庭用的 IPTV设备。
所述直接或间接与所述 IPTV设备建立连接， 具体包括： 所述终端向 IPTV控 制实体发送验证请求； 所述终端接收所述 IPTV控制实体发送的验证指示响应， 当所述验证指示响应指示所述 IPTV设备的业务文件完全公开， 则直接与所述 IPTV设备建立连接； 当所述验证指示响应指示所述终端满足与所述 IPTV设备建 立连接的条件， 则间接与所述 IPTV设备建立连接。
对于不同家庭网络域的终端加入 IPTV设备所在家庭网络域的过程， 可以参 阅图 2进行理解：
图 2中终端 1与 IPTV设备属于同一个家庭网络域， 终端 2与 IPTV设备属于不 同家庭网络域， 终端 1要加入 IPTV设备所在的家庭网络域， 只需要通过 IP多媒体 子系统网关接入交互式网络电视业务提供网络， 而终端 2首先要加入 IPTV网络， 需要通过移动网络与 IPTV业务网络的移动网关进行 ASM的认证鉴权后， 才能加 入 IPTV网络。 参阅图 3, 从 IPTV服务器的角度来看， 本发明实施例提供的获取信息的方法 的另一实施例包括：
201、 接收终端发送的信息查询请求。 终端与 IPTV设备建立关联后， 要获取与所述正在播放的电视节目内容相关 的信息的地址信息， 要向 IPTV服务器发送信息查询请求。
202、 根据所述信息查询请求， 获取与 IPTV设备正在播放的电视节目内容相 关的信息的地址信息， 其中， 所述终端与所述 IPTV设备已建立关联。
IPTV服务器根据所述信息查询请求， 获取与 IPTV设备正在播放的电视节目 内容相关的信息的地址信息。
所述信息查询请求携带所述 IPTV设备的用户标识和设备标识； 所述获取与 所述 IPTV设备正在播放的电视节目内容相关的信息的地址信息， 具体包括： 根 据所述 IPTV设备的用户标识和设备标识获取所述 IPTV设备正在播放的电视节 目内容的标识； 根据所述 IPTV设备正在播放的电视节目内容的标识获取所述正 在播放的电视节目内容的播放偏移时间点； 根据所述正在播放的电视节目内容 的标识和所述正在播放的电视节目内容的播放偏移时间点， 获取与正在播放的 电视节目内容相关的信息的地址信息。
播放偏移时间点， 指的是： 以所述 IPTV设备正在播放的电视节目的播放开 始时间为基准， IPTV服务器根据所述信息查询请求， 进行时间查询时或者所述 IPTV服务器通过其他设备进行时间查询时， 所述正在播放的电视节目的播放时 间点。 由于终端本身不能直接确定在发送信息查询请求时， IPTV设备中正在播 放的节目已播放到什么时间点， 因此需要借助 IPTV服务器来获取这个时间点。 通过借助所述 IPTV服务器获取的播放偏移时间点作为终端发送所述信息查询请 求时的时间点， 从而获取与正在播放的电视节目内容相关的信息的地址信息。
可选的， 考虑到终端与 IPTV设备建立关联的过程和获取地址信息之前的操 作过程都会有时间延迟， 所以获取地址信息为： 从所述正在播放的电视节目内 容的播放偏移时间点开始向前的一段预置时间内的， 并且与所述正在播放的电 视节目内容相关的地址信息， 一段预置时间可以是 30秒、 1分钟或者是其他时 间， 根据具体情况而定， 对其不做任何限定。
203、 向所述终端发送所述地址信息， 以使所述终端根据所述相关的信息的 地址信息， 从信息服务器获取与所述正在播放的电视节目内容相关的信息。
本发明实施例中， 接收终端发送的信息查询请求； 根据所述信息查询请求， 获取与 IPTV设备正在播放的电视节目内容相关的信息的地址信息， 其中， 所述 终端与所述 IPTV设备已建立关联； 向所述终端发送所述地址信息， 以使所述终 端根据所述相关的信息的地址信息， 从信息服务器获取与所述正在播放的电视 节目内容相关的信息。 与现有技术相比， 本发明实施例提供的方法， 可以使另 一终端获取与正在播放的电视节目内容相关的信息， 用户可以通过该终端查看 与正在播放的电视节目内容相关的信息， 提高了用户体验。
可选地， 在上述图 3对应的实施例的基础上， 步骤 202中获取与正在播放的 电视节目内容相关的信息之前， 需要根据所述正在播放的电视节目内容的标识 获取所述正在播放的电视节目内容的播放偏移时间点； 获取播放偏移时间点的 方案有三种， 其中一种为内容点播（ CoD, Content on Demand ) 业务的播放偏 移时间点获取方案， 另外两种为直播内容（SC, Scheduled Content )业务的播放 偏移时间点获取方案， 下面分别进行介绍：
对于 CoD业务的播放偏移时间点的获取方案： 所述根据所述 IPTV设备正在 播放的电视节目内容的标识获取所述正在播放的电视节目内容的播放偏移时间 点， 具体包括： IPTV服务器向内容分发功能实体发送第一时间点获取请求， 所 述第一时间点获取请求中携带所述正在播放的电视节目内容的标识； 接收所述 内容分发功能实体根据所述正在播放的节目内容的标识确定的所述 IPTV设备正 在播放的点播业务的电视节目内容的播放偏移时间点。
通过内容分发功能实体获取播放偏移时间点的具体过程为： IPTV服务器根 据所述 IPTV设备的用户标识和设备标识查找到给所述 IPTV设备提供电视节目 内容的内容分发功能实体， 然后向内容分发功能实体发送第一时间点获取请 求， 所述第一时间点获取请求中携带所述正在播放的电视节目内容的标识， 内 容分发功能实体根据所述正在播放的电视节目内容的标识查找到所述正在播放 的电视节目的内容， 获取所述正在播放的电视节目内容的播放偏移时间点， 然 后将所述播放偏移时间点返回给 IPTV服务器。
此时， 播放偏移时间点具体为： 以所述 IPTV设备正在播放的电视节目的播 放开始时间为基准， 内容分发功能实体根据所述正在播放的电视节目内容的标 识查找到所述正在播放的电视节目内容时， 所述正在播放的电视节目内容播放 到的时间点。 如： 内容分发功能实体查找到所述正在播放的电视节目内容时， 所述正在播放的电视节目内容的播放到的时间为 20分钟 40秒， 则所述播放偏移 时间为 20分钟 40秒。
对于 SC业务的播放偏移时间的一种获取方案为： 所述根据所述 IPTV设备正 在播放的电视节目内容的标识获取所述正在播放的电视节目内容的播放偏移时 间点， 具体包括： IPTV服务器向所述 IPTV设备发送内容报告请求， 所述内容报 告请求中携带所述正在播放的电视节目内容的标识； 接收所述 IPTV设备根据所 述正在播放的电视节目内容的标识确定的所述正在播放的直播业务的电视节目 内容的播放偏移时间点。
此时， 播放偏移时间点具体为： 以所述 IPTV设备正在播放的电视节目的播 放开始时间为基准， 所述 IPTV设备接收到内容报告请求时， 所述正在播放的电 视节目播放到的时间点。
对于 SC业务的播放偏移时间的另一种获取方案为： 所述根据所述 IPTV设备 正在播放的电视节目内容的标识获取所述正在播放的电视节目内容的播放偏移 时间点， 具体包括： IPTV服务器根据所述正在播放的电视节目内容的标识查询 电子节目菜单， 从所述电子节目菜单查询到所述 IPTV设备正在播放的直播业务 的电视节目内容的起始播放时间； 根据所述起始播放时间和查询电子节目菜单 时的时间确定所述正在播放的直播业务的电视节目内容的播放偏移时间点。
此时， 播放偏移时间点具体是以所述 IPTV设备正在播放的电视节目的播放 开始时间为基准， 所述 IPTV服务器查询电子节目菜单时， 所述正在播放的电视 节目播放到时间点。
这三种方案， 针对不同的业务获取播放偏移时间点， IPTV控制实体获取到 所述播放偏移时间点后， 就可以按照图 3中对应的步骤 202中的方案获取地址信 息。
可选地， 在上述实施例的基础上， 还包括： 当获知所述终端与所述 IPTV设 备建立关联成功后， 建立或更改所述终端与所述 IPTV设备关联的存储记录。
当 IPTV设备中已经存储有所述终端与所述 IPTV设备关联的存储记录时， 要 更新以前的存储记录， 当没有存储记录时， 要建立所述终端与所述 IPTV设备关 联的存储记录。
当终端与 IPTV设备建立关联后， 没有退出关联状态， 当所述 IPTV设备切换 频道后， 若接收到所述终端发送的与所述 IPTV设备正在播放的电视节目内容建 立关联的请求； 读取所述存储记录， 利用所述终端与所述 IPTV设备已建立的关 联， 向所述终端发送与所述 IPTV设备正在播放的电视节目内容关联的信息的地 址信息。 本发明实施例提供的方案， 终端与 IPTV设备建立关联后， 在终端没有退出 关联状态时， 当 IPTV设备换台后， 终端再要发送查询请求时， 就不需要执行任 何关联的操作， IPTV控制实体会根据建立或更改的存储记录， 返回地址信息给 终端。 这样， 本发明实施例提供的方案， IPTV设备换台后， 可以自动进行频道 跟踪。
若终端已经退出与 IPTV设备建立的关联， 则需要重新与 IPTV设备建立关 联。
本发明实施例中提供的 IPTV服务器是一个集成设备， 实际上也可以将所述 IPTV服务器分成 IPTV控制实体 IPTV业务文件实体和 IPTV数据存储服务器两个 设备， 下面几个应用场景以分离的方式描述信息获取的具体过程。
为便于理解， 下面以一个具体应用场景为例， 从整体上说明本发明实施例 提供的获取信息的方法。
参阅图 4, 图 4为 CoD会话情况下， 终端获取同一签约网络下的 IPTV设备正 在播放的电视节目内容相关信息的过程， 具体为：
Al、 交互式网络电视（IPTV )设备已经与内容分发功能实体建立了一个 CoD 会话。
这样 IP多媒体子系统网关中已经存储了 IPTV设备的用户标识。
A2、 终端获知终端的用户标识与 IPTV设备的用户标识相同。
A3、 终端使用 IPTV设备的用户标识登陆 IP多媒体子系统网关。
A4、 终端向 IMS网关发送信息查询请求。
A5、 所述信息查询请求被所述 IMS网关发送给 IPTV控制实体， 所述信息查 询请求中携带所述 IPTV设备的用户标识、 所述 IPTV设备的设备标识。
Ad IPTV控制实体根据所述 IPTV设备的用户标识和设备标识从 IPTV业务文 件实体查找所述 IPTV设备的内容分发（ RTSP, Real Time Streaming Protocol )会 话标识和正在播放的电视节目内容的标识。
A7、 IPTV控制实体向内容分发功能实体发送第一时间点获取请求， 所述第 一时间点获取请求中携带所述 IPTV设备的内容分发会话标识和所述正在播放的 节目内容的标识。
A8、 内容分发功能实体根据所述 IPTV设备的内容分发会话标识和所述正在 播放的节目内容的标识确定所述 IPTV设备正在播放的电视节目内容， 获取正在 播放的电视节目内容的播放偏移时间点。
A9、 内容分发功能实体将所述播放偏移时间点发送给所述 IPTV控制实体。 A10、 IPTV控制实体向 IPTV数据存储实体发送地址信息查询请求， 所述地 址信息查询请求中携带正在播放的电视节目内容的标识和所述正在播放的电视 节目内容的播放偏移时间点。
All、 根据所述正在播放的电视节目内容的标识查找与所述正在播放的电视 节目内容相关的信息的地址信息； 从所述与所述正在播放的电视节目内容相关 的信息的地址信息中， 筛选出从所述正在播放的电视节目内容的播放偏移时间 点开始向前的一段预置时间内的信息地址信息。
A12、 发送所述地址信息给 IPTV控制实体。
A13-A14、 IPTV控制实体将所述地址信息发送给所述终端。
A15、 终端根据所述地址信息， 从信息服务器获取与所述正在播放的电视节 目关联的信息。
参阅图 5, 图 5为 SC会话情况下， 终端获取同一签约网络下的 IPTV设备正在 播放的电视节目内容相关信息的过程， 具体为：
Bl、 交互式网络电视（IPTV )终端已经与传输处理功能实体建立了一个 SC 会话。
B2~B6与上述场景中的 A2~A6相同， 在此不再做详细赘述。
对于获取所述正在播放的电视节目内容的播放时间点， 针对于 SC业务本场 景中提供了两种方案， 一种为步骤 B7~B8, 另一种为 B9~B11 , 以下分别介绍：
B7、 根据所述 IPTV设备的用户标识和设备标识向所述 IPTV设备发送内容报 告请求。
B8、 IPTV设备向所述 IPTV控制实体上报所述正在播放的电视节目内容的播 放偏移时间点。
B9、 IPTV控制实体向 IPTV数据存储实体发送第二时间点获取请求， 所述第 二时间点获取请求中携带所述正在播放的电视节目内容的标识。
Βΐα ιρτν数据存储实体根据所述正在播放的电视节目内容的标识查询电子 节目菜单， 从所述电子节目菜单查询到所述正在播放的电视节目内容的起始播 放时间。
Bll、 IPTV数据存储实体向 IPTV控制实体发送所述起始播放时间。 B12 IPTV控制实体根据所述起始播放时间和查询电子节目菜单时的时间确 定所述正在播放的电视节目内容的播放偏移时间点。
B13-B18的过程与上述场景中的 A10~A15相同， 在此不再做详细赘述。 上述图 4和图 5中的终端和交互式网络电视终端都在同一签约关系下， 具有 相同的用户标识， 参阅图 6详细介绍终端和交互式网络电视终端都在不同签约关 系下的情况， 以 CoD业务为例进行说明， 终端获取 IPTV设备正在播放的电视节 目内容的关联信息的过程：
C 1、 交互式网络电视（ IPTV )设备已经与内容分发功能实体建立了一个 CoD 会话。
C2、 终端获知终端的用户标识与 IPTV设备的用户标识不相同。
C3、 终端使用自身的用户标识在鉴权会话管理实体处进行注册鉴权。
C4、 向所述 ASM发送与所述 IPTV设备建立关联的请求。
C5、 所述建立关联的请求被所述 ASM发送给 IPTV控制实体， 所述与 IPTV设 备建立关联的请求中携带所述 IPTV设备的用户标识和所述 IPTV设备的设备标 识。
C6. IPTV控制实体根据所述 IPTV设备的用户标识和设备标识从 IPTV业务文 件实体中查找所述 ιρτν设备满足建立关联的条件；
C7、验证是否满足建立关联的条件，所述满足建立关联的条件包括所述 IPTV 设备未满负荷， 并且所述发送关联请求的终端的用户标识和设备标识未被所述 IPTV设备禁止建立关联。
C8、 满足所述建立关联的条件后， 向所述 IPTV设备发送是否允许所述终端 建立关联的询问请求， 所述询问请求中携带所述终端的用户标识和设备标识。
C9、 接收到所述 IPTV设备允许所述终端的关联指示。
C10、 IPTV控制实体确定终端的关联级别和关联时间。
Cll、 IPTV控制实体向 IPTV业务文件实体发送设置请求， 所述设置请求中 携带确定终端的关联级别和关联时间。
C12 IPTV业务文件实体设置终端的关联等级关联的起始时间和结束时间。 C13~C15、 发送允许建立关联的指示给终端。
后续获取关联信息的过程与图 4中的 A4~A15相同， 在此不再做详细赘述。 如果 IPTV设备安放在公共场所， 那么只需要执行步骤 C1~C3 , 后面的 C4 C15都可以省略， 因公共场所的 IPTV设备向所有用户开放。
对于不同签约关系的终端和 IPTV设备， 本处只是以 CoD业务为例进行的说 于图 6中的 C1~C15与图 5中的 B4~B18的组合。
以上， 多个场景说明本发明实施例提供的方法， 可以使用另一终端获取与
IPTV设备正在播放的电视节目内容相关的信息， 既不影响用户观看电视节目， 又可以了解广告或其他关联的信息的详细描述， 提高了用户的体验。 参阅图 7 , 本发明实施例提供的终端的一实施例包括：
关联单元 401 , 用于与正在播放电视节目的 IPTV设备建立关联；
发送单元 402, 用于在所述关联单元 401与所述 IPTV设备建立关联后， 向 IPTV服务器发送信息查询请求；
接收单元 403, 用于接收所述 IPTV服务器发送的、 根据所述信息查询请求获 取的、 与所述正在播放的电视节目内容相关的信息的地址信息；
获取单元 404, 用于根据所述接收单元 403接收到的所述地址信息， 从信息 服务器获取与所述正在播放的电视节目内容相关的信息。
本发明实施例中， 关联单元 401与正在播放电视节目的 IPTV设备建立关联； 发送单元 402在所述关联单元 401与所述 IPTV设备建立关联后， 向 IPTV服务器发 送信息查询请求； 接收单元 403接收所述 IPTV服务器发送的、 根据所述信息查询 请求获取的、 与所述正在播放的电视节目内容相关的信息的地址信息； 获取单 元 404根据所述接收单元 403接收到的所述地址信息， 从信息服务器获取与所述 正在播放的电视节目内容相关的信息。 与现有技术相比， 本发明实施例提供的 终端， 可以在与正在播放电视节目的 IPTV设备建立关联后， 获取与所述 IPTV设 备正在播放的电视节目内容相关的信息， 用户可以通过该终端查看所述相关的 信息， 提高了用户体验。
在上述图 7对应的实施例的基 上， 参阅图 8, 本发明实施例提供的终端的 另一实施例还包括： 所述关联单元 401 , 所述关联单元 401包括：
第一获取子单元 4011 , 用于获取所述 IPTV设备的用户标识和设备标识； 第一连接子单元 4012, 用于当所述第一获取子单元 4011获取的终端的用户 标识与所述 IPTV设备的用户标识相同时， 根据所述 IPTV设备的用户标识与 IP多 媒体子系统 IMS网关建立连接， 根据所述 IPTV设备的设备标识， 与所述 IPTV设 备建立连接。
在上述图 7对应的实施例的基础上， 参阅图 9, 本发明实施例提供的终端的 另一实施例还包括： 所述关联单元 401 , 所述关联单元 401包括：
第二获取子单元 4013, 用于获取所述 IPTV设备的用户标识和设备标识； 第二连接子单元 4014, 用于当所述第二获取子单元 4013获取的用户标识与 所述 IPTV设备的用户标识不相同时， 根据所述终端的用户标识与鉴权会话管理 实体 ASM建立连接， 根据所述 IPTV设备的设备标识， 直接或间接与所述 IPTV设 备建立连接。
在上述图 9对应的实施例的基础上， 参阅图 10, 本发明实施例提供的终端的 另一实施例还包括： 所述关联单元 401 , 所述关联单元 401中的第二连接子单元 4014包括：
发送子单元 40141 , 用于向 IPTV控制实体发送验证请求；
接收子单元 40142, 用于接收所述 IPTV控制实体发送的验证指示响应； 第三连接子单元 40143 , 用于当所述接收子单元 40142接收到的验证指示响 应指示所述 IPTV设备的业务文件完全公开， 则直接与所述 IPTV设备建立连接； 当所述接收子单元 40142接收到的验证指示响应指示所述终端满足与所述 IPTV 设备建立连接的条件， 则间接与所述 IPTV设备建立连接。
以上多个实施例提供的终端， 都可以在与正在播放电视节目的 IPTV设备建 立关联后， 获取与所述 IPTV设备正在播放的电视节目内容相关的信息， 用户可 以通过该终端查看所述相关的信息， 提高了用户体验。
参阅图 11 , 本发明实施例提供的交互式网络电视服务器的一实施例包括： 接收单元 501 , 用于接收终端发送的信息查询请求；
获取单元 502, 用于根据所述接收单元 501接收到的信息查询请求， 获取与 IPTV设备正在播放的电视节目内容相关的信息的地址信息， 其中， 所述终端与 所述 IPTV设备已建立关联；
发送单元 503, 用于向所述终端发送所述获取单元 502获取的所述地址信 息， 以使所述终端根据所述相关的信息的地址信息， 从信息服务器获取与所述 正在播放的电视节目内容相关的信息。
本发明实施例中， 接收单元 501接收终端发送的信息查询请求； 获取单元 502 根据所述接收单元 501接收到的信息查询请求， 获取与 IPTV设备正在播放的电视 节目内容相关的信息的地址信息， 其中， 所述终端与所述 IPTV设备已建立关联； 发送单元 503向所述终端发送所述获取单元 502获取的所述地址信息， 以使所述 终端根据所述相关的信息的地址信息， 从信息服务器获取与所述正在播放的电 视节目内容相关的信息。 与现有技术相比， 本发明实施例提供的交互式网络电 视服务器， 可以使终端获取与所述 IPTV设备正在播放的电视节目内容相关的信 息， 用户可以通过该终端查看所述相关的信息， 提高了用户体验。
在上述图 11对应的实施例的基础上， 本发明实施例提供的交互式网络电视 服务器的另一实施例还包括： 所述信息查询请求携带所述 IPTV设备的用户标识 和设备标识；
所述获取单元 502, 具体用于根据所述 IPTV设备的用户标识和设备标识获取 所述 IPTV设备正在播放的电视节目内容的标识； 根据所述 IPTV设备正在播放的 电视节目内容的标识获取所述正在播放的电视节目内容的播放偏移时间点； 根 据所述正在播放的电视节目内容的标识和所述正在播放的电视节目内容的播放 偏移时间点， 获取与正在播放的电视节目内容相关的信息的地址信息。
在上述图 11对应的实施例的基础上， 参阅图 12本发明实施例提供的交互式 网络电视服务器的另一实施例还包括： 所述获取单元 502, 所述获取单元 502包 括：
第一发送子单元 5021， 用于向内容分发功能实体发送第一时间点获取请 求， 所述第一时间点获取请求中携带所述正在播放的电视节目内容的标识； 第一接收子单元 5022, 用于接收所述内容分发功能实体根据所述正在播放 的节目内容的标识确定的所述 IPTV设备正在播放的点播业务的电视节目内容的 播放偏移时间点。
在上述图 11对应的实施例的基础上， 参阅图 13本发明实施例提供的交互式 网络电视服务器的另一实施例还包括： 所述获取单元 502, 所述获取单元 502包 括：
第二发送子单元 5023 , 用于向所述 IPTV设备发送内容报告请求， 所述内容 报告请求中携带所述正在播放的电视节目内容的标识；
第二接收子单元 5024, 用于接收所述 IPTV设备根据所述正在播放的电视节 目内容的标识确定的所述正在播放的直播业务的电视节目内容的播放偏移时间 点。
在上述图 11对应的实施例的基础上， 参阅图 14, 本发明实施例提供的交互 式网络电视服务器的另一实施例还包括： 所述获取单元 502, 所述获取单元 502 包括：
第一查询子单元 5025 , 用于根据所述正在播放的电视节目内容的标识查询 电子节目菜单， 从所述电子节目菜单查询到所述 IPTV设备正在播放的直播业务 的电视节目内容的起始播放时间；
确定子单元 5026, 用于根据所述第一查询子单元 5025查询到的起始播放时 间和查询电子节目菜单时的时间确定所述正在播放的直播业务的电视节目内容 的播放偏移时间点。
在上述图 11 ~ 14对应的任一实施例的基础上， 参阅图 15 , 本发明实施例提 供的交互式网络电视服务器的另一实施例还包括： 所述获取单元 502, 所述获取 单元 502包括：
第二查询子单元 5027, 用于根据所述正在播放的电视节目内容的标识， 查 询与所述 IPTV设备正在播放的电视节目内容相关的信息的所有地址信息；
筛选子单元 5028, 用于从所述第二查询子单元 5027查询到的所有地址信息 中， 筛选出从所述正在播放的电视节目内容的播放偏移时间点开始向前的一段 预置时间内的地址信息。
以上多个实施例提供的交互式网络电视服务器， 都可以使终端获取与所述 IPTV设备正在播放的电视节目内容相关的信息， 用户可以通过该终端查看所述 相关的信息， 提高了用户体验。
参阅图 16, 本发明实施例提供的交互式网络电视系统的一实施例包括： 终 端 40、 IPTV设备 30、 IPTV服务器 50和信息服务器 60;
所述终端 40, 用于与正在播放电视节目的 IPTV设备 30建立关联后， 向 IPTV 服务器 50发送信息查询请求； 接收所述 IPTV服务器 50发送的与所述正在播放的 电视节目内容相关的信息的地址信息； 根据所述地址信息， 从信息服务器获取 与所述正在播放的电视节目内容相关的信息；
所述 IPTV服务器 50, 用于接收终端发送的信息查询请求； 获取与 IPTV设备 30正在播放的电视节目内容相关的信息的地址信息， 向所述终端发送所述地址 信息； 所述 IPTV设备 30, 用于播放电视节目内容；
所述信息服务器 60， 用于存储与所述正在播放的电视节目内容相关的信息。 本发明实施例提供的系统， 可以使终端获取与所述 IPTV设备正在播放的电 视节目内容相关的信息， 用户可以通过该终端查看所述相关的信息， 提高了用 户体验。
参阅图 4或 6 , 本发明实施例提供的一种交互式网络电视系统的另一实施例 包括： 终端、 IPTV设备、 IP多媒体子系统网关、 鉴权会话管理实体、 IPTV控制 实体、 交互式网络电视业务文件实体、 IPTV数据存储服务器、 内容分发功能实 体和信息服务器；
所述终端， 用于与正在播放电视节目的 IPTV设备建立关联后， 向 IPTV控制 实体发送信息查询请求； 接收所述 IPTV控制实体发送的、 根据所述信息查询请 求获取的、 与所述正在播放的电视节目内容相关的信息的地址信息； 根据所述 地址信息， 从信息服务器获取与所述正在播放的电视节目内容相关的信息。
所述 IPTV设备， 用于播放电视节目；
所述 IP多媒体子系统网关， 用于家庭网络中控制终端或 IPTV设备接入交互 式网络电视服务；
所述鉴权会话管理实体， 用于用户鉴权， 会话管理和计费；
所述 IPTV控制实体， 用于从 IPTV业务文件实体获取正在播放的电视节目内 容的标识， 并获取所述正在播放的电视节目内容的播放时间， 从数据存储服务 器获取与所述正在播放的电视节目内容相关的信息， 向所述终端发送所述信息； 所述 IPTV业务文件实体 用于保存用户与业务提供商签约的用户信息文件； 所述 IPTV数据存储服务器， 用于根据所述正在播放的电视节目内容的标 识， 查询与所述 IPTV设备正在播放的电视节目内容相关的信息的所有地址信 息； 从所述所有地址信息中， 筛选出从所述正在播放的电视节目内容的播放偏 移时间点开始向前的一段预置时间内的地址信息；
所述内容分发功能实体， 用于点播业务内容的控制与传送；
所述信息服务器， 用于存储与电视节目内容关联的信息。
参阅图 5 , 本发明实施例提供的一种交互式网络电视系统的另一实施例包 括： 本发明实施例提供的一种交互式网络电视系统的另一实施例包括： 终端、 IPTV设备、 IP多媒体子系统网关、 鉴权会话管理实体、 IPTV控制实体、 交互式 网络电视业务文件实体、 IPTV数据存储服务器、 传输处理功能实体和信息服务 器；
所述终端 40, 用于与正在播放电视节目的 IPTV设备 30建立关联后， 向 IPTV 服务器 50发送信息查询请求； 接收所述 IPTV服务器 50发送的与所述正在播放的 电视节目内容相关的信息的地址信息； 根据所述地址信息， 从信息服务器获取 与所述正在播放的电视节目内容相关的信息；
所述 IPTV服务器 50, 用于接收终端发送的信息查询请求； 获取与 IPTV设备 30正在播放的电视节目内容相关的信息的地址信息， 向所述终端发送所述地址 信息；
所述 IPTV设备 30, 用于播放电视节目内容；
所述信息服务器 60， 用于存储与所述正在播放的电视节目内容相关的信息。 本发明实施例提供的系统， 可以使终端获取与所述 IPTV设备正在播放的电 视节目内容相关的信息， 用户可以通过该终端查看所述相关的信息， 提高了用 户体验。
参阅图 4或 6, 本发明实施例提供的一种交互式网络电视系统的另一实施例 包括： 终端、 IPTV设备、 IP多媒体子系统网关、 鉴权会话管理实体、 IPTV控制 实体、 交互式网络电视业务文件实体、 IPTV数据存储服务器、 内容分发功能实 体和信息服务器；
所述终端， 用于与正在播放电视节目的 IPTV设备建立关联后， 向 IPTV控制 实体发送信息查询请求； 接收所述 IPTV控制实体发送的、 根据所述信息查询请 求获取的、 与所述正在播放的电视节目内容相关的信息的地址信息； 根据所述 地址信息， 从信息服务器获取与所述正在播放的电视节目内容相关的信息。
所述 IPTV设备， 用于播放电视节目；
所述 IP多媒体子系统网关， 用于家庭网絡中控制终端或 IPTV设备接入交互 式网络电视服务；
所述鉴权会话管理实体， 用于用户鉴权， 会话管理和计费；
所述 IPTV控制实体， 用于从 IPTV业务文件实体获取正在播放的电视节目内 容的标识， 并获取所述正在播放的电视节目内容的播放时间， 从数据存储服务 器获取与所述正在播放的电视节目内容相关的信息， 向所述终端发送所述信息； 所述 IPTV业务文件实体 用于保存用户与业务提供商签约的用户信息文件； 所述 IPTV数据存储服务器， 用于根据所述正在播放的电视节目内容的标 识， 查询与所述 IPTV设备正在播放的电视节目内容相关的信息的所有地址信 息； 从所述所有地址信息中， 筛选出从所述正在播放的电视节目内容的播放偏 移时间点开始向前的一段预置时间内的地址信息；
所述传输处理功能实体， 用于直播业务内容的控制与传送；
所述信息服务器， 用于存储与电视节目内容关联的信息。
以上提供的系统实施例， 可以使终端实时获取与 IPTV设备正在播放的电视 节目相关的信息， 用户可以通过该终端查看与 IPTV设备正在播放的电视节目相 关的信息， 不用影响电视节目播放， 提高了用户体验。 本领域普通技术人员可以理解上述实施例的各种方法中的全部或部分步驟 是可以通过程序来指令相关的硬件来完成， 该程序可以存储于一计算机可读存 储介质中， 存储介质可以包括： ROM、 RAM , 磁盘或光盘等。
以上对本发明实施例所提供的获取信息的方法、 设备以及系统进行了详细 介绍， 本文中应用了具体个例对本发明的原理及实施方式进行了阐述， 以上实 施例的说明只是用于帮助理解本发明的方法及其核心思想； 同时， 对于本领域 的一般技术人员， 依据本发明的思想， 在具体实施方式及应用范围上均会有改 变之处， 综上所述， 本说明书内容不应理解为对本发明的限制。

Claims

权利要求
1、 一种获取信息的方法， 其特征在于， 包括：
与正在播放电视节目的 IPTV设备建立关联后， 向 IPTV服务器发送信息查询 请求；
接收所述 IPTV服务器发送的、 根据所述信息查询请求获取的、 与所述正在 播放的电视节目内容相关的信息的地址信息；
根据所述地址信息， 从信息服务器获取与所述正在播放的电视节目内容相 关的信息。
2、 根据权利要求 1所述的方法， 其特征在于， 所述与正在播放电视节目的 IPTV设备建立关联， 具体包括：
终端获取所述 IPTV设备的用户标识和设备标识；
当所述终端的用户标识与所述 IPTV设备的用户标识相同时 , 所述终端根据 所述 IPTV设备的用户标识与 IP多媒体子系统 IMS网关建立连接；
所述终端根据所述 IPTV设备的设备标识， 与所述 IPTV设备建立连接。
3、 根据权利要求 1所述的方法， 其特征在于， 所述与正在播放电视节目的
IPTV设备建立关联， 具体包括：
终端获取所述 IPTV设备的用户标识和设备标识；
当所述终端的用户标识与所述 IPTV设备的用户标识不相同时， 所述终端根 据所述终端的用户标识与鉴权会话管理实体 ASM建立连接；
所述根据所述 IPTV设备的设备标识， 直接或间接与所述 IPTV设备建立连 接。
4、 根据权利要求 3所述的方法， 其特征在于， 所述直接或间接与所述 IPTV 设备建立连接， 具体包括：
所述终端向 IPTV控制实体发送 ^全证请求；
所述终端接收所述 IPTV控制实体发送的验证指示响应， 当所述验证指示响 应指示所述 IPTV设备的业务文件完全公开， 则直接与所述 IPTV设备建立连接； 当所述验证指示响应指示所述终端满足与所述 IPTV设备建立连接的条件， 则间接与所述 IPTV设备建立连接。
5、 一种获取信息的方法， 其特征在于， 包括：
接收终端发送的信息查询请求； 根据所述信息查询请求， 获取与 IPTV设备正在播放的电视节目内容相关的 信息的地址信息， 其中， 所述终端与所述 IPTV设备已建立关联；
向所述终端发送所述地址信息， 以使所述终端根据所述相关的信息的地址 信息， 从信息服务器获取与所述正在播放的电视节目内容相关的信息。
6、 根据权利要求 5所述的方法， 其特征在于， 所述信息查询请求携带所述
IPTV设备的用户标识和设备标识；
所述获取与所述 IPTV设备正在播放的电视节目内容相关的信息的地址信 息， 具体包括：
根据所述 IPTV设备的用户标识和设备标识获取所述 IPTV设备正在播放的 电视节目内容的标识；
根据所述 IPTV设备正在播放的电视节目内容的标识获取所述正在播放的电 视节目内容的播放偏移时间点；
根据所述正在播放的电视节目内容的标识和所述正在播放的电视节目内容 的播放偏移时间点， 获取与正在播放的电视节目内容相关的信息的地址信息。
7、 根据权利要求 6所述的方法， 其特征在于， 所述根据所述 IPTV设备正在 播放的电视节目内容的标识获取所述正在播放的电视节目内容的播放偏移时间 点， 具体包括：
向内容分发功能实体发送第一时间点获取请求， 所述第一时间点获取请求 中携带所述正在播放的电视节目内容的标识；
接收所述内容分发功能实体根据所述正在播放的节目内容的标识确定的所 述 IPTV设备正在播放的点播业务的电视节目内容的播放偏移时间点。
8、 根据权利要求 6所述的方法， 其特征在于， 所述根据所述 IPTV设备正在 播放的电视节目内容的标识获取所述正在播放的电视节目内容的播放偏移时间 点， 具体包括：
向所述 IPTV设备发送内容报告请求， 所述内容报告请求中携带所述正在播 放的电视节目内容的标识；
接收所述 IPTV设备根据所述正在播放的电视节目内容的标识确定的所述正 在播放的直播业务的电视节目内容的播放偏移时间点。
9、 根据权利要求 6所述的方法， 其特征在于， 所述根据所述 IPTV设备正在 播放的电视节目内容的标识获取所述正在播放的电视节目内容的播放偏移时间 点， 具体包括：
根据所述正在播放的电视节目内容的标识查询电子节目菜单， 从所述电子 节目菜单查询到所述 IPTV设备正在播放的直播业务的电视节目内容的起始播放 时间；
根据所述起始播放时间和查询电子节目菜单时的时间确定所述正在播放的 直播业务的电视节目内容的播放偏移时间点。
10、 根据权利要求 6~9任意一项所述的方法， 其特征在于， 所述根据所述正 在播放的电视节目内容的标识和所述正在播放的电视节目内容的播放偏移时间 点， 获取与正在播放的电视节目内容相关的信息的地址信息， 具体包括：
根据所述正在播放的电视节目内容的标识， 查询与所述 IPTV设备正在播放 的电视节目内容相关的信息的所有地址信息；
从所述所有地址信息中， 筛选出从所述正在播放的电视节目内容的播放偏 移时间点开始向前的一段预置时间内的地址信息。
11、 一种终端， 其特征在于， 包括：
关联单元， 用于与正在播放电视节目的 IPTV设备建立关联；
发送单元， 用于在所述关联单元与所述 IPTV设备建立关联后， 向 IPTV服务 器发送信息查询请求；
接收单元， 用于接收所述 IPTV服务器发送的、 根据所述信息查询请求获取 的、 与所述正在播放的电视节目内容相关的信息的地址信息；
获取单元， 用于根据所述接收单元接收到的所述地址信息， 从信息服务器 获取与所述正在播放的电视节目内容相关的信息。
12、 根据权利要求 11所述的终端， 其特征在于， 所述关联单元包括： 第一获取子单元， 用于获取所述 IPTV设备的用户标识和设备标识； 第一连接子单元， 用于当所述第一获取子单元获取的终端的用户标识与所 述 IPTV设备的用户标识相同时， 根据所述 IPTV设备的用户标识与 IP多媒体子系 统 IMS网关建立连接， 根据所述 IPTV设备的设备标识， 与所述 IPTV设备建立连 接。
13、 根据权利要求 11所述的终端， 其特征在于， 所述关联单元包括： 第二获取子单元， 用于获取所述 IPTV设备的用户标识和设备标识； 第二连接子单元， 用于当所述第二获取子单元获取的用户标识与所述 IPTV 设备的用户标识不相同时， 根据所述终端的用户标识与鉴权会话管理实体 ASM 建立连接， 根据所述 IPTV设备的设备标识， 直接或间接与所述 IPTV设备建立连 接。
14、 根据权利要求 13所述的终端， 其特征在于， 所述第二连接子单元包括： 发送子单元， 用于向 IPTV控制实体发送验证请求；
接收子单元， 用于接收所述 IPTV控制实体发送的验证指示响应；
第三连接子单元， 用于当所述接收子单元接收到的验证指示响应指示所述
IPTV设备的业务文件完全公开， 则直接与所述 IPTV设备建立连接； 当所述接收 子单元接收到的验证指示响应指示所述终端满足与所述 IPTV设备建立连接的条 件， 则间接与所述 IPTV设备建立连接。
15、 一种交互式网络电视服务器， 其特征在于， 包括：
接收单元， 用于接收终端发送的信息查询请求；
获取单元， 用于根据所述接收单元接收到的信息查询请求， 获取与 IPTV设 备正在播放的电视节目内容相关的信息的地址信息， 其中， 所述终端与所述 IPTV 设备已建立关联；
发送单元， 用于向所述终端发送所述获取单元获取的所述地址信息， 以使 所述终端根据所述相关的信息的地址信息， 从信息服务器获取与所述正在播放 的电视节目内容相关的信息。
16、 根据权利要求 15所述的服务器， 其特征在于， 所述信息查询请求携带 所述 IPTV设备的用户标识和设备标识；
所述获取单元， 具体用于根据所述 IPTV设备的用户标识和设备标识获取所 述 IPTV设备正在播放的电视节目内容的标识； 根据所述 IPTV设备正在播放的电 视节目内容的标识获取所述正在播放的电视节目内容的播放偏移时间点； 根据 所述正在播放的电视节目内容的标识和所述正在播放的电视节目内容的播放偏 移时间点， 获取与正在播放的电视节目内容相关的信息的地址信息。
17、 根据权利要求 16所述的服务器， 其特征在于， 所述获取单元包括： 第一发送子单元， 用于向内容分发功能实体发送第一时间点获取请求， 所 述第一时间点获取请求中携带所述正在播放的电视节目内容的标识；
第一接收子单元， 用于接收所述内容分发功能实体根据所述正在播放的节 目内容的标识确定的所述 IPTV设备正在播放的点播业务的电视节目内容的播放 偏移时间点。
18、 根据权利要求 16所述的服务器， 其特征在于， 所述获取单元包括： 第二发送子单元， 用于向所述 IPTV设备发送内容报告请求， 所述内容报告 请求中携带所述正在播放的电视节目内容的标识；
第二接收子单元， 用于接收所述 IPTV设备根据所述正在播放的电视节目内 容的标识确定的所述正在播放的直播业务的电视节目内容的播放偏移时间点。
19、 根据权利要求 16所述的服务器， 其特征在于， 所述获取单元包括： 第一查询子单元， 用于根据所述正在播放的电视节目内容的标识查询电子 节目菜单， 从所述电子节目菜单查询到所述 IPTV设备正在播放的直播业务的电 视节目内容的起始播放时间；
确定子单元， 用于根据所述第一查询子单元查询到的起始播放时间和查询 电子节目菜单时的时间确定所述正在播放的直播业务的电视节目内容的播放偏 移时间点。
20、 根据权利要求 16~19任意一项所述的服务器， 其特征在于， 所述获取单 元还包括：
第二查询子单元， 用于根据所述正在播放的电视节目内容的标识， 查询与 所述 IPTV设备正在播放的电视节目内容相关的信息的所有地址信息；
筛选子单元， 用于从所述第二查询子单元查询到的所有地址信息中， 筛选 出从所述正在播放的电视节目内容的播放偏移时间点开始向前的一段预置时间 内的地址信息。
21、 一种交互式网络电视系统， 其特征在于， 包括： 终端、 IPTV设备、 IPTV 服务器和信息服务器；
所述终端， 用于与正在播放电视节目的 IPTV设备建立关联后， 向 IPTV服务 器发送信息查询请求； 接收所述 IPTV服务器发送的与所述正在播放的电视节目 内容相关的信息的地址信息； 根据所述地址信息， 从信息服务器获取与所述正 在播放的电视节目内容相关的信息；
所述 IPTV服务器， 用于接收终端发送的信息查询请求； 获取与 IPTV设备正 在播放的电视节目内容相关的信息的地址信息， 向所述终端发送所述地址信息； 所述 IPTV设备， 用于播放电视节目内容；
所述信息服务器， 用于存储与所述正在播放的电视节目内容相关的信息。
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