CN104883593A - Information obtaining method and apparatus - Google Patents
Information obtaining method and apparatus Download PDFInfo
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- CN104883593A CN104883593A CN201510290555.9A CN201510290555A CN104883593A CN 104883593 A CN104883593 A CN 104883593A CN 201510290555 A CN201510290555 A CN 201510290555A CN 104883593 A CN104883593 A CN 104883593A
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- cam card
- business
- pending business
- command
- response message
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- 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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
- H04N21/4181—External card to be used in combination with the client device, e.g. for conditional access for conditional access
Abstract
The embodiments of the invention provide an information obtaining method and apparatus, and relates to the field of a digital television, for solving the problem that a conventional digital television terminal cannot identity a service function supported by a CAM. The method comprises the following steps: sending a service query request to a CAM, wherein the service query request comprises a service identifier of service to be executed and is used for querying whether the CAM supports the service to be executed; receiving a first response message fed back by the CAM according to the service query request; according to the first response message, generating a CAM state identifier; and storing the CAM state identifier, wherein the CAM state identifier is used for indicating whether the CAM supports the service to be executed.
Description
Technical field
The present invention relates to digital television techniques field, particularly relate to a kind of information getting method and device.
Background technology
Condition receiving card (Condition Access Module, be called for short CAM) is the personality card for digital television with smart card slot, also known as Conditional Access Module or look close card, for connecting the equipment of television set and outside source.CAM card is mainly used in realizing filtering descrambling function, namely by command interface (Command Interface, being called for short CI) the packed data signal that sent by external equipment of agreement changes into television content, and show on a television set, thus make user just directly can watch ordered pay-TV channel without the need to Set Top Box.In addition, along with the development of Digital Television and network technology, by TV realize two-way services (as, VOD service, on-line payment business etc.) become following trend, therefore, there are multiple support two-way services, do not supported two-way services and supported the CAM card of other business functions in market now.And the business function that these CAM cards of the true None-identified of existing digital TV terminal are supported.
Summary of the invention
The information getting method that embodiments of the invention provide and device, solve the problem of the business function that existing digital TV terminal None-identified CAM card is supported.
For achieving the above object, embodiments of the invention adopt following technical scheme:
First aspect, provides a kind of information getting method, comprising:
Send service inquiry request to CAM card, described service inquiry request comprises the service identification of pending business, and whether described service inquiry request supports described pending business for inquiring about described CAM card;
Receive the first response message that described CAM card feeds back according to described service inquiry request;
Generate CAM card status indicator according to described first response message, described CAM card status indicator is for representing whether described CAM card supports described pending business;
Store described CAM card status indicator.
Second aspect, provides a kind of information acquisition device, comprising:
First sending module, for sending service inquiry request to CAM card, described service inquiry request comprises the service identification of pending business, and whether described service inquiry request supports described pending business for inquiring about described CAM card;
Receiver module, for receiving the first response message that described CAM card feeds back according to described service inquiry request;
Generation module, the first response message for receiving according to described receiver module generates CAM card status indicator, and described CAM card status indicator is for representing whether described CAM card supports described pending business;
Memory module, for storing the described CAM card status indicator that described generation module generates.
The information getting method that embodiments of the invention provide and device, by sending the service inquiry request of carrying the service identification of pending business to CAM card, whether this service inquiry request supports this pending business for inquiring about this CAM card, then CAM card status indicator is generated according to the first response message of this CAM card feedback, store this CAM card status indicator, this CAM card status indicator is for representing whether this CAM card supports pending business.Pending business whether is supported to the inquiry of CAM card like this by initiatively sending service inquiry request, and represent whether this CAM card supports that the CAM card status indicator of pending business stores by being used for, thus facilitate user follow-up need to use this business time, directly just can know that can opposite end CAM card support this business function immediately by this CAM card status indicator, thus be convenient for users to operate.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The method flow diagram of a kind of information getting method that Fig. 1 provides for embodiments of the invention;
The method flow diagram of the another kind of information getting method that Fig. 2 provides for embodiments of the invention;
The structural representation of a kind of information acquisition device that Fig. 3 provides for embodiments of the invention;
The structural representation of the another kind of information acquisition device that Fig. 4 provides for embodiments of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiments of the invention provide a kind of information getting method, are applied to information acquisition device, and in the present embodiment, this information acquisition device is applied to the digital TV integrated machine or digital TV set-top box that possess CAM card draw-in groove.Concrete, as shown in Figure 1, the method comprises the steps:
101, information acquisition device sends service inquiry request to CAM card.
Wherein, above-mentioned service inquiry request comprises the service identification of pending business, and whether this service inquiry request supports pending business for inquiring about CAM card.Information acquisition device in the present embodiment, exemplary, this pending business can need for other of two-way services or each carrier customization custom service being obtained information needed by CAM card from smart card, also can be the User Defined business obtaining separately the independent information such as smart card numbers, region code, operator's informaiton, not limit here.
102, information acquisition device receives the first response message that CAM card feeds back according to service inquiry request.
Exemplary, the first above-mentioned response message can be concrete Indication message, indicates this CAM card whether to support the Indication message of this pending business, or, this first response message comprises sign, represents whether this CAM card supports this pending business by this sign.
103, information acquisition device generates CAM card status indicator according to the first response message.
Exemplary, when the first response message of this CAM card feedback is used to indicate this pending business of this CAM card support, then this information acquisition device is according to the instruction of this first response message, for the CAM card status indicator of this pending service generation is for representing that this pending business supported by this CAM card.And when the first response message of this CAM card feedback be used to indicate this CAM card do not support this pending business time, then this information acquisition device is according to the instruction of this first response message, for the CAM card status indicator of this pending service generation is for representing that this pending business do not supported by this CAM card.
104, information acquisition device stores CAM card status indicator.
Exemplary, this information acquisition device is after getting this CAM card status indicator, can by this CAM card status indicator stored in background data base, so that user is follow-up when needing to perform this pending business, can not need again to inquire about CAM card, but directly know whether this CAM card supports this pending business according to the CAM card status indicator stored.If this CAM card status indicator is for representing that this pending business supported by this CAM card, then this information acquisition device obtains for realizing the order needed for this pending business, and this order is sent to CAM card, so that the information of this command request of this CAM card feedback, then according to this pending business of this information and executing.If this CAM card status indicator is for representing that this pending business do not supported by this CAM card, then this information acquisition device stops performing this pending business.
The information getting method that embodiments of the invention provide, by sending the service inquiry request of carrying the service identification of pending business to CAM card, whether this service inquiry request supports this pending business for inquiring about this CAM card; Generate CAM card status indicator according to the first response message of this CAM card feedback, and store this CAM card status indicator, this CAM card status indicator is for representing whether this CAM card supports pending business.Pending business whether is supported to the inquiry of CAM card like this by initiatively sending service inquiry request, and represent whether this CAM card supports that the CAM card status indicator of pending business stores by being used for, thus facilitate user follow-up need to use this business time, directly just can know that can opposite end CAM card support this business function immediately by this CAM card status indicator, thus be convenient for users to operate.
Along with the development of Digital Television and network technology, the business being realized two-way services (e.g., VOD service, on-line payment business etc.) or other carrier customizations by TV has become following trend.And in these two-way services or other custom services, the respective services of operator's customization all needs to carry out the business such as authentication, authorization message inquiry, namely all needs when carrying out these business terminal (TV set terminal) to obtain smart card numbers and carries out authentication.But, due to the order not providing indicating terminal to obtain the various information such as smart card numbers, operator's informaiton, authorization message performed needed for these business in the CI agreement of standard, thus cause terminal to be difficult to from the information needed for these business of CAM card end acquisition, and then terminal is caused to perform above-mentioned service fail.
In order to solve the problem, the invention provides another kind of information getting method, being applied to information acquisition device, in the present embodiment, this information acquisition device is applied to the digital TV integrated machine or digital TV set-top box that possess CAM card draw-in groove.The present embodiment essentially describes when this CAM card status indicator is for representing the pending business of this CAM card support, and this information acquisition device performs the concrete implementation of this pending business.Concrete, the present embodiment is mainly based on the CAM card status indicator obtained in the corresponding embodiment of Fig. 1, and as shown in Figure 2, the method comprises the steps:
201, information acquisition device obtains CAM card status indicator corresponding to pending business.
202, when this CAM card status indicator is for representing the pending business of this CAM card support, information acquisition device performs request to CAM card transmission business.
Wherein, above-mentioned business performs the order asking to comprise for realizing needed for this pending business.Above-mentioned business performs the information that request is used for asking to this order of CAM card request.Such as, if this order is inquiry smart card ID, then the information that this order is asked is smart card ID.
Concrete, this device, when obtaining for realizing the order needed for pending business, can be realized by two kinds of implementations:
In the first implementation, step 202 specifically comprises the steps:
202a, information acquisition device, according to the service identification of pending business, from the corresponding relation between service identification and command id, obtain the command id that pending business is corresponding; Obtain the order that command id corresponding to pending business is corresponding.
Wherein, the service identification that different business is corresponding different, and the corresponding one or more command id of each service identification, and the corresponding order of each command id.
In the second implementation, step 202 specifically comprises the steps:
202b, information acquisition device, to the service identification corresponding according to pending business, from business command list (CLIST), retrieve the order that command id corresponding to pending business is corresponding.
Wherein, above-mentioned business command list (CLIST) comprises command id for realizing order needed for all business and correspondence and service identification, and concrete can refer to table 1.
Exemplary, if above-mentioned pending business is two-way services, and these two-way services are when being Online Payment business, then this information acquisition device can according to the service identification of this Online Payment business, find the command id needed for the two-way page logging in this Online Payment business, and find corresponding order according to this command id, this order is sent to CAM card, indicates this CAM card to feed back these and order the information of inquiring about.Such as, if this Online Payment business correspondence order is order 6, orders 7, orders 8, then this information acquisition device just will order 6: inquiry smart card ID, order 7: inquiry carrier ID list and order 8: inquiry operator name carries out encapsulation by CI agreement and is sent to CAM card, indicate this CAM card that smart card ID, carrier ID and operator name are fed back to this information acquisition device, so that this information acquisition device logs in the two-way services of this Online Payment business.
| Command id | Order |
| 1 | Querying command list |
| 2 | Inquiry hardware version |
| 3 | Query software version |
| 4 | Inquiry intelligent card state |
| 5 | Inquiry CAM sees sequence number |
| 6 | Inquiry smart card ID |
| 7 | The list of inquiry carrier ID |
| 8 | Inquiry operator name |
| 9 | Query region code |
| 10 | Query region subcode |
| 11 | Inquiry authorization packets ID list |
| 12 | Inquiry private data |
| 13 | Inquiring user attribute |
| 14 | Terminal plays program is set |
| 15 | Forbid/allow terminal push |
| 16 | Terminal hop frequencies is set |
| 17 | Terminal plays parameter is set |
| 18 | Inquiry CA type |
| 19 | The inquiry authorization packets beginning and ending time |
| 20 | The licensing status of serviceID is specified in inquiry |
| 21 | Open and close customization MMI function |
| …… | …… |
Table 1
Optionally, before step 202, the method also comprises the steps:
If this first response message of 202a is for representing that pending business supported by CAM card, then information acquisition device sends the functional inquiry request of carrying switch command to CAM card.
Wherein, whether above-mentioned functional inquiry request opens pending business function for inquiring about CAM card; This switch command is used for indicating this CAM card to open pending business function when this pending business function do not opened by this CAM card.It should be noted that, when CAM clamping receives this functional inquiry request, the business function of current unlatching is not this pending business function, then first this CAM card needs to be closed by the business function of current unlatching according to this switch command, then opens this pending business function.
Optionally, before step 202, the method also comprises the steps:
202b, information acquisition device obtain user instruction.
Wherein, above-mentioned user instruction is used to indicate information acquisition device and performs the pending business of order, carries the service identification of this pending business in this user instruction.
203, information acquisition device receives second response message carrying the information that order is asked of CAM card feedback.
Exemplary, after the information that this information acquisition device is asked in the order got for performing needed for this pending business, just authentication can be carried out according to ordering the information of asking, after authentication success, in the terminal demonstration interface of installing this information acquisition device, show pending business interface.
The information getting method that embodiments of the invention provide, when CAM card status indicator is for representing this pending business of CAM card support, if user needs to perform this pending business, the order performed needed for this pending business that is used for prestored is sent to CAM card by business execution request by information acquisition device, so that CAM card feeds back the information of this command request to this information acquisition device, this information acquisition device is made can successfully to perform this pending business according to this information.
Embodiments of the invention provide a kind of information acquisition device, this information acquisition device is applied to the digital TV integrated machine or digital TV set-top box that possess CAM card draw-in groove, and this information acquisition device is for realizing the information getting method described in the corresponding embodiment of Fig. 1 and Fig. 2.Concrete, as shown in Figure 3, this information acquisition device 3 comprises: the first sending module 31, receiver module 32, generation module 33 and memory module 34, wherein:
First sending module 31, for sending service inquiry request to CAM card.
Wherein, above-mentioned service inquiry request comprises the service identification of pending business, and whether this service inquiry request supports pending business for inquiring about CAM card.
Receiver module 32, for receiving the first response message that CAM card feeds back according to service inquiry request.
Generation module 33, the first response message for receiving according to receiver module 32 generates CAM card status indicator, and CAM card status indicator is for representing whether CAM card supports pending business.
Memory module 34, for storing the CAM card status indicator that generation module 33 generates.
Optionally, when CAM card status indicator is for representing the pending business of CAM card support, this information acquisition device also comprises: the second sending module 35 and receiver module 36, wherein:
Second sending module 35, for performing request to CAM card transmission business, this business performs the order asking to comprise for realizing needed for pending business.
Receiver module 32, also for receiving second response message carrying the information that order is asked of CAM card feedback.
Optionally, if response message is for representing that pending business supported by CAM card, this information acquisition device 3, also comprises: acquisition module 36, wherein:
Acquisition module 36, for the service identification according to pending business, from the corresponding relation between service identification and command id, obtains the command id that pending business is corresponding; Obtain the order that command id corresponding to pending business is corresponding.
Optionally, if the first response message is for representing that pending business supported by CAM card, this acquisition module 36, also for the command id corresponding according to pending business, from business command list (CLIST), retrieve the order that command id corresponding to pending business is corresponding, this business command list (CLIST) comprises command id for realizing order needed for all business and correspondence and service identification.
Optionally, before this performs request to CAM card transmission business, this information acquisition device 3, also comprises: the 3rd sending module 37, wherein:
3rd sending module 37, if for the first response message for representing that pending business supported by CAM card, then send the functional inquiry request of carrying switch command to CAM card, whether this functional inquiry request opens pending business function for inquiring about described CAM card; This switch command is used for indicating CAM card to open pending business function when pending business function do not opened by CAM card.
The information acquisition device that embodiments of the invention provide, by sending the service inquiry request of carrying the service identification of pending business to CAM card, whether this service inquiry request supports this pending business for inquiring about this CAM card; Generate CAM card status indicator according to the first response message of this CAM card feedback, and store this CAM card status indicator, this CAM card status indicator is for representing whether this CAM card supports pending business.Pending business whether is supported to the inquiry of CAM card like this by initiatively sending service inquiry request, and represent whether this CAM card supports that the CAM card status indicator of pending business stores by being used for, thus facilitate user follow-up need to use this business time, directly just can know that can opposite end CAM card support this business function immediately by this CAM card status indicator, thus be convenient for users to operate.
Those skilled in the art can be well understood to, for convenience and simplicity of description, only be illustrated with the division of above-mentioned each functional module, in practical application, can distribute as required and by above-mentioned functions and be completed by different functional modules, internal structure by information acquisition device is divided into different functional modules, to complete all or part of function described above.The information acquisition device of foregoing description and the specific works process of module, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
In several embodiments that the application provides, should be understood that disclosed information acquisition device and method can realize by another way.Such as, information acquisition device embodiment described above is only schematic, such as, the division of described module, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple module or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.
In addition, each functional module in each embodiment of the application can be integrated in a processing unit, also can be that the independent physics of modules exists, also can two or more module integrations in a unit.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
The above, above embodiment only in order to the technical scheme of the application to be described, is not intended to limit; Although with reference to previous embodiment to present application has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the application.
Claims (10)
1. an information getting method, is characterized in that, comprising:
Send service inquiry request to CAM card, described service inquiry request comprises the service identification of pending business, and whether described service inquiry request supports described pending business for inquiring about described CAM card;
Receive the first response message that described CAM card feeds back according to described service inquiry request;
Generate CAM card status indicator according to described first response message, described CAM card status indicator is for representing whether described CAM card supports described pending business;
Store described CAM card status indicator.
2. method according to claim 1, is characterized in that, when described CAM card status indicator is for representing the described pending business of described CAM card support, described according to after described first response message generation CAM card status indicator, described method also comprises:
Perform request to described CAM card transmission business, described business performs the order asking to comprise for realizing needed for described pending business;
Receive second response message carrying the information that described order is asked of described CAM card feedback.
3. method according to claim 2, is characterized in that, if described first response message is for representing that described pending business supported by described CAM card, then, before performing request to described CAM card transmission business, described method also comprises:
According to the service identification of described pending business, from the corresponding relation between service identification and command id, obtain the command id that described pending business is corresponding, obtain the order that command id corresponding to described pending business is corresponding.
4. method according to claim 2, is characterized in that, if described first response message is for representing that described pending business supported by described CAM card, then, before performing request to described CAM card transmission business, described method also comprises:
According to the service identification of described pending business, from described business command list (CLIST), retrieve the order that command id corresponding to described pending business is corresponding, described business command list (CLIST) comprises command id for realizing order needed for all business and correspondence and service identification.
5. method according to claim 2, is characterized in that, described before described CAM card transmission business execution request, described method also comprises:
If described first response message is for representing that described pending business supported by described CAM card, the functional inquiry request of carrying switch command is then sent to described CAM card, whether described functional inquiry request opens pending business function for inquiring about described CAM card, and described switch command is used for indicating described CAM card to open described pending business function when described pending business function do not opened by described CAM card.
6. an information acquisition device, is characterized in that, comprising:
First sending module, for sending service inquiry request to CAM card, described service inquiry request comprises the service identification of pending business, and whether described service inquiry request supports described pending business for inquiring about described CAM card;
Receiver module, for receiving the first response message that described CAM card feeds back according to described service inquiry request;
Generation module, the first response message for receiving according to described receiver module generates CAM card status indicator, and described CAM card status indicator is for representing whether described CAM card supports described pending business;
Memory module, for storing the described CAM card status indicator that described generation module generates.
7. device according to claim 6, is characterized in that, when described CAM card status indicator is for representing the described pending business of described CAM card support, described device also comprises:
Second sending module, for performing request to described CAM card transmission business, described business performs the order asking to comprise for realizing needed for described pending business;
Described receiver module, also for receiving second response message carrying the information that described order is asked of described CAM card feedback.
8. method according to claim 7, is characterized in that, if described first response message is for representing that described pending business supported by described CAM card, described device, also comprises:
Acquisition module, for the service identification according to described pending business, from the corresponding relation between service identification and command id, obtains the command id that described pending business is corresponding, obtains the order that command id corresponding to described pending business is corresponding.
9. device according to claim 7, is characterized in that, if described first response message is for representing that described CAM card supports described pending business, then described device, also comprises:
Acquisition module, for the command id corresponding according to described pending business, from described business command list (CLIST), retrieve the order that command id corresponding to described pending business is corresponding, described business command list (CLIST) comprises command id for realizing order needed for all business and correspondence and service identification.
10. device according to claim 7, is characterized in that, described before described CAM card transmission business execution request, described device, also comprises:
3rd sending module, if for described first response message for representing that described pending business supported by described CAM card, the functional inquiry request of carrying switch command is then sent to described CAM card, whether described functional inquiry request opens pending business function for inquiring about described CAM card, and described switch command is used for indicating described CAM card to open described pending business function when described pending business function do not opened by described CAM card.
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218 Patentee after: Hisense Video Technology Co.,Ltd. Address before: 266555 no.218, qianwangang Road, Qingdao Economic and Technological Development Zone, Shandong Province Patentee before: HISENSE ELECTRIC Co.,Ltd. |