CN104506914A - Method for controlling digital television program playing and condition receiving module - Google Patents
Method for controlling digital television program playing and condition receiving module Download PDFInfo
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- CN104506914A CN104506914A CN201410856284.4A CN201410856284A CN104506914A CN 104506914 A CN104506914 A CN 104506914A CN 201410856284 A CN201410856284 A CN 201410856284A CN 104506914 A CN104506914 A CN 104506914A
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- descrambling
- program
- strategy
- user
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Classifications
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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
- H04N21/426—Internal components of the client ; Characteristics thereof
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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
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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
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4627—Rights management associated to the content
Abstract
The embodiment of the invention discloses a method for controlling digital television program playing, which is used for realizing controlling the playing of digital television programs and capable of meeting individual needs of the user. According to the embodiment, the method comprises the following steps: receiving descrambling request sent by a digital television terminal through a condition receiving module, wherein program identifiers are carried in the descrambling request; determining a target descrambling strategy through a CAM card while determining the program identifier as a preset target program identifier; according to the target descrambling strategy, performing descrambling control on the program corresponding to the program identifier through the CAM card so as to control the digital television terminal to play the programs. The invention further provides a condition receiving module for controlling the playing of the digital television program and meeting the individual needs of the user.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of method and Conditional Access Module of digital television program Play Control.
Background technology
Conditional Access Module (Conditional Access Module), also claim CAM card, it is a kind of digital video Conditional Access Module, is the equipment connecting television set and outside source.The digital signal of compression can be changed into television content by it, and shows on digital TV terminal.CAM card and smart card with the use of, insert the digital TV terminal with CI interface, make user directly watch ordered pay-TV content without the need to Set Top Box.
Along with the development of Digital Television and network, digital television program gets more and more, content is also more and more abundanter, while bringing the fine viewing experience of user, owing to lacking the control of playing program, the individual demand of user cannot be met, such as lack the control to program playing duration, make user watch program for a long time, easily the physical and mental health of user is worked the mischief.
Summary of the invention
The embodiment of the present invention provides a kind of method and CAM card of digital television program Play Control, for realizing the control of the broadcasting to digital television program, can meet the individual demand of user.
Embodiment of the present invention first aspect provides a kind of method of digital television program Play Control, comprising:
The descramble requests that Conditional Access Module receiving digital television terminal sends, carries program identification in described descramble requests;
When determining that described program identification is preset target program identification, target descrambling strategy determined by described CAM card;
Described CAM card is according to described target descrambling strategy, and the program corresponding to described program identification carries out descrambling control, plays described program to control described digital TV terminal.
In conjunction with the first aspect of the embodiment of the present invention, in the first implementation of embodiment of the present invention first aspect, described CAM card determines that target descrambling strategy comprises:
The corresponding relation of described target program identification and descrambling strategy determined by described CAM card;
Described CAM card determines described target descrambling strategy according to described corresponding relation.
In conjunction with the first aspect of the embodiment of the present invention, in the second implementation of embodiment of the present invention first aspect, described CAM card determines that target descrambling strategy comprises:
The program category that described target program identification is corresponding determined by described CAM card;
Described CAM card, according to the corresponding relation of described program category and preset program category and descrambling strategy, determines target descrambling strategy.
In conjunction with the second implementation of the first aspect of the embodiment of the present invention or the first implementation of first aspect or first aspect, in the third implementation of embodiment of the present invention first aspect, described CAM card is according to described target descrambling strategy, and the program corresponding to described program identification carries out descrambling and control to comprise:
Described CAM card, according to described target descrambling strategy, sends user ID request to digital TV terminal, to make described digital TV terminal according to the described user ID request received, sends the response message carrying user ID to described CAM card;
When determining that user corresponding to described user ID has viewing authority, described CAM card carries out descrambling to described program.
In conjunction with the third implementation of the first aspect of the embodiment of the present invention, in the 4th kind of implementation of embodiment of the present invention first aspect, described CAM card determines that user corresponding to user ID has viewing authority and comprise:
The user ID list that described program is watched in the permission that described user ID and described viewing authority comprise compares by described CAM card;
Described CAM card determines that described user ID is in described user ID list.
In conjunction with the second implementation of the first aspect of the embodiment of the present invention or the first implementation of first aspect or first aspect, in the 5th kind of implementation of embodiment of the present invention first aspect, described CAM card is according to described target descrambling strategy, and the program corresponding to described program identification carries out descrambling and control to comprise:
Described CAM card, according to described target descrambling strategy, from carrying out descrambling to described program, determines the duration of descrambling;
When the duration of described descrambling reaches preset duration, interrupt the descrambling to described program.
Embodiment of the present invention second aspect provides a kind of Conditional Access Module, it is characterized in that, comprises
Receiving element, for the descramble requests that receiving digital television terminal sends, carries program identification in described descramble requests;
Determining unit, for when determining that described program identification is preset target program identification, determines target descrambling strategy;
Control unit, for according to described target descrambling strategy, the program corresponding to described program identification carries out descrambling control, plays described program to control described digital TV terminal.
In conjunction with the second aspect of the embodiment of the present invention, in the first implementation of embodiment of the present invention second aspect, described determining unit comprises:
First determination module, for determining the corresponding relation of described target program identification and descrambling strategy;
Second determination module, for determining described target descrambling strategy according to described corresponding relation.
In conjunction with the second aspect of the embodiment of the present invention, in the second implementation of embodiment of the present invention second aspect, described determining unit comprises:
3rd determination module, for determining the program category that described target program identification is corresponding;
4th determination module, for the corresponding relation according to described program category and preset program category and descrambling strategy, determines target descrambling strategy.
In conjunction with the second implementation of the second aspect of the embodiment of the present invention or the first implementation of second aspect or second aspect, in the third implementation of embodiment of the present invention second aspect, described control unit comprises:
Sending module, for according to described target descrambling strategy, sends user ID request to digital TV terminal, to make described digital TV terminal according to the described user ID request received, sends the response message carrying user ID to described CAM card;
Descrambling module, when determining that user corresponding to described user ID has viewing authority, carries out descrambling to described program.
In conjunction with the third implementation of the second aspect of the embodiment of the present invention, in the 4th kind of implementation in embodiments of the present invention, described descrambling module comprises:
Comparison sub-module, the user ID list that described program is watched in the permission for described user ID and described viewing authority being comprised compares;
Determine submodule, for determining described user ID whether in described user ID list.
In conjunction with the second implementation of the second aspect of the embodiment of the present invention or the first implementation of second aspect or second aspect, in the 5th kind of implementation of embodiment of the present invention second aspect, described control unit comprises:
5th determination module, for carrying out descrambling from described CAM card to described program, determines the duration of descrambling;
Interrupt module, for when the duration of described descrambling reaches preset duration, interrupts carrying out descrambling to described program.
The technical scheme of the application embodiment of the present invention, has following beneficial effect:
After CAM is stuck in the descramble requests of receiving digital television terminal transmission, target descrambling strategy is determined by the program ID carried in described descramble requests, and carry out descrambling control according to the program that target descrambling strategy is corresponding to this program ID, digital TV terminal is made to play this program, thus the control realized the broadcasting of digital television program, the individual demand of user can be met, as by the control to program playing duration, the harm avoiding causing the physical and mental health that user causes because of viewing for a long time can be played.
Accompanying drawing explanation
Fig. 1 is an embodiment schematic diagram of the method for a kind of digital television program Play Control in the embodiment of the present invention;
Fig. 2 is another embodiment schematic diagram of the method for a kind of digital television program Play Control in the embodiment of the present invention;
Fig. 3 is another embodiment schematic diagram of the method for a kind of digital television program Play Control in the embodiment of the present invention;
Fig. 4 is an embodiment schematic diagram of a kind of Conditional Access Module in the embodiment of the present invention;
Fig. 5 is another embodiment schematic diagram of a kind of Conditional Access Module in the embodiment of the present invention;
Fig. 6 is another embodiment schematic diagram of a kind of Conditional Access Module in the embodiment of the present invention;
Fig. 7 is another embodiment schematic diagram of a kind of Conditional Access Module in the embodiment of the present invention.
Embodiment
The embodiment of the present invention provides a kind of method and CAM card of digital television program Play Control, for realizing the control of the broadcasting to digital television program, can meet the individual demand of user.
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 skilled in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, in the embodiment of the present invention, an a kind of embodiment of digital television program control method for playing back comprises:
101, the descramble requests that digital TV terminal sends is received in CAM clamping, carries program identification in described descramble requests.
Be understandable that, CAM card is connected by CI interface with digital TV terminal, can be used for filtering from the programme information of operator front end, can and descrambling is carried out to digital television programs information, thus the broadcasting making digital TV terminal realize program.
Digital TV terminal consults unified form according to CAM card, digital television programs information from operator front end is preserved, when user selects the program needing to play by digital TV terminal, this digital TV terminal will send descramble requests to CAM card, carry the program identification that the program play with these needs is corresponding in this request.
It should be noted that, CAM card can carry out code stream analysis to TV programme, thus obtain the mark of program, in the embodiment of the present invention, this program identification is task identifier (service id), in actual applications, this program identification can also accord with (original network id), transport stream identification symbol (transport stream id) etc. as the parameter distinguishing this program, specifically can be not construed as limiting herein for original network identification.
102, judge whether described program identification is preset target program identification.
Be understandable that, the program identification that the program that needs to carry out Play Control is corresponding is previously provided with in CAM card, when this CAM card gets program identification from the descramble requests received, this program identification and preset program identification can be compared, thus judge whether this program identification is target program identification, then perform step 103 if not, if then perform step 104.
It should be noted that, in the embodiment of the present invention, user can pre-set needing the program of Play Control, such as CAM card can provide keeper's load right, administrator can enter the menu of CAM card by account and password, set needing the program carrying out Play Control by this menu function, then program identification corresponding for this program is kept in flash memory (Flash) card of CAM card, in actual applications, can also be by other means, this program is set, is specifically not construed as limiting herein.
103, process ends.
Be understandable that, when judging that this program identification is not as target program identification, then process ends.
104, target descrambling strategy determined by described CAM card.
Be understandable that, the descrambling strategy that the program identification preserved in CAM card is corresponding different, when judging that described program identification is target identification, this CAM card can determine target descrambling strategy from different descrambling strategies.
Alternatively, this CAM card determines that the mode of target strategy comprises at least the following two kinds:
One, the corresponding relation of described target program identification and descrambling strategy determined by described CAM card, and determines described target descrambling strategy according to described corresponding relation.
Be understandable that, the corresponding relation of target program identification and descrambling strategy can be pre-set in CAM card, such as, administrator can enter CAM card menu to operate by account and password, is the descrambling strategy that the setting of target program identification is corresponding with it.Wherein, this descrambling strategy comprises the viewing authority at common family, and the viewing duration etc. of program, is specifically not construed as limiting herein.
Two, the program category that described target program identification is corresponding determined by described CAM card, and according to the corresponding relation of described program category and preset program category and descrambling strategy, determines target descrambling strategy.
Be understandable that, the corresponding relation of target program category and descrambling strategy can be pre-set in CAM card, the descrambling strategy that different program categories is corresponding different, such as, the descrambling strategy that the descrambling strategy that terrified program is corresponding is corresponding from children's programs is different, and charge program is also different from the descrambling strategy of free program.When CAM cartoon is crossed after target program identification determines program category, the corresponding relation of this program category and descrambling strategy can be utilized, determine target descrambling strategy.
It should be noted that, because program identification and program are uniquely corresponding, therefore CAM card can determine program by program identification, and, after determining program, this CAM card can also by detecting program, thus identify the type of this program, in actual applications, also the corresponding relation of program category and program identification can be pre-set in this CAM card, then this CAM cartoon crosses the corresponding relation of this program category and program identification, determines this program category, is specifically not construed as limiting herein.
105, described CAM card is according to described target descrambling strategy, and the program corresponding to described program identification carries out descrambling control, plays described program to control described digital TV terminal.
Be understandable that, the program due to digital TV terminal broadcasting generally needs the descrambling through CAM card, and therefore CAM cartoon crosses the descrambling controlled program, thus can realize controlling the broadcasting of this digital TV terminal to program.
In the embodiment of the present invention, after CAM is stuck in the descramble requests of receiving digital television terminal transmission, target descrambling strategy is determined by the program ID carried in described descramble requests, and carry out descrambling control according to the program that target descrambling strategy is corresponding to this program ID, digital TV terminal is made to play this program, thus the control realized the broadcasting of digital television program, the individual demand of user can be met, improve the viewing experience of user, as by the control to program playing duration, the harm avoiding causing the physical and mental health that user causes because of viewing for a long time can be played.
Above in embodiment, after CAM is stuck in and determines target descrambling strategy, the program corresponding to program identification according to this target descrambling strategy carries out descrambling control, in actual applications, this CAM fixture body is by determining the viewing authority of user, thus realize carrying out descrambling control to program, below another embodiment of digital television program control method for playing back a kind of in the embodiment of the present invention is described.
Refer to Fig. 2, another embodiment of a kind of digital television program control method for playing back in the embodiment of the present invention, specifically comprises:
201, the descramble requests that digital TV terminal sends is received in CAM clamping, carries program identification in described descramble requests.
202, judge whether described program identification is preset target program identification, if not, then perform step 203, if then perform step 204.
203, process ends.
204, target descrambling strategy determined by described CAM card.
It should be noted that, in the present embodiment, step 201 can the embodiment of reference diagram 1 correspondence to the manner of execution of step 204, is specifically not construed as limiting herein.
205, described CAM card is according to described target descrambling strategy, sends user ID request to digital TV terminal, to make described digital TV terminal according to the described user ID request received, sends the response message carrying user ID to described CAM card.
Be understandable that, when CAM clamping receives the descramble requests of digital TV terminal transmission, this CAM card is according to the program identification determination target descrambling strategy in this descramble requests, this CAM card can send user ID request according to this target descrambling strategy to this digital TV terminal, such as user is being switched to limited program, in order to play this program, digital TV terminal will send descramble requests to CAM card, the Service ID of program corresponding to this limited program is carried in this descramble requests, this CAM card can determine target descrambling strategy according to this Service ID, then this CAM card is according to this descrambling strategy, make this ejection of this digital TV terminal for pointing out the message notifying frame obtaining account name and password, user is after input account name and password, this digital TV terminal by the account name and password respond to CAM card.
It should be noted that, in the present embodiment, this user ID is account name and the password of user, in actual applications, can also be user cell-phone number, identification card number, fingerprint etc. other as unique mark distinguishing user identity, specifically can be not construed as limiting herein.
206, described CAM card determines whether user corresponding to described user ID has viewing authority.
Be understandable that, user ID list is preserved in CAM card, user corresponding to the user ID in this list has program viewing authority, the user ID got from digital TV terminal can be mated with the user ID in this list by this CAM card, if mate unsuccessful, then represents that this user does not have viewing authority, perform step 207, if the match is successful, then represent that this user has viewing authority, perform step 208.
207, process ends.
When the user ID got from digital TV terminal and the user ID in this list can carry out mating unsuccessful by CAM card, described CAM card does not carry out descrambling to described program, process ends.
208, described CAM card carries out descrambling to described program.
When the user ID in the user ID got from digital TV terminal and this list can be carried out that the match is successful by CAM card, represent that this user has viewing authority, now this CAM card carries out descrambling to this program, thus makes this digital TV terminal play this program.Such as, be called Zhangsan when user inputs account, when password is 123, the match is successful with the account name in table 1, and now this CAM card can carry out descrambling to terrified program, makes this user watch the program of the type.
Table 1, the corresponding relation of program Service ID, program category, account name and password
It should be noted that, the explanation of the table 1 of this enforcement only exemplarily property, in actual applications, can also arrange the viewing authority of user, specifically be not construed as limiting herein in this CAM card.
In the embodiment of the present invention, in the embodiment of the present invention, after CAM is stuck in the descramble requests of receiving digital television terminal transmission, by the program identification determination target descrambling strategy carried in described descramble requests, and send user ID request according to target descrambling strategy to digital TV terminal, and determine whether user corresponding to this user ID has viewing authority by this user ID, when determining that user has viewing authority, again descrambling is carried out to this program, thus the control realized the broadcasting of digital television program, the individual demand of user can be met, such as can arrange Adult's Day object viewing authority according to the mark of user, thus limiting child viewing adult program, pre-child-resistant affects by Adult's Day object, play the able-bodied object of child protection.
Above in embodiment, after CAM is stuck in and determines target descrambling strategy, the program corresponding to program identification according to this target descrambling strategy carries out descrambling control, in actual applications, this CAM fixture body is by determining descrambling duration, thus realize carrying out descrambling control to program, below another embodiment of digital television program control method for playing back a kind of in the embodiment of the present invention is described.
Refer to Fig. 3, another embodiment of a kind of digital television program control method for playing back in the embodiment of the present invention, specifically comprises:
301, the descramble requests that digital TV terminal sends is received in CAM clamping, carries program identification in described descramble requests.
302, judge whether described program identification is preset target program identification, if not, then perform step 303, if then perform step 304.
303, process ends.
304, target descrambling strategy determined by described CAM card.
It should be noted that, in the present embodiment, step 301 can the embodiment of reference diagram 1 correspondence to the manner of execution of step 304, is specifically not construed as limiting herein.
305, described CAM card is from carrying out descrambling to described program, determines whether the duration of descrambling reaches preset duration.
Be understandable that, after determining the target descrambling strategy that program is corresponding, this CAM card carries out descrambling to this program, and timing from this CAM card carries out descrambling to this program, judge whether the duration of descrambling reaches preset duration, if not, then perform step 306, if then perform step 307.
306, process ends.
Be understandable that, when CAM card judges that the duration of descrambling does not reach preset duration, then process ends.
Wherein, the situation that CAM card does not reach preset duration comprises user and switches program, programme signal exception, CAM card failure etc., is specifically not construed as limiting herein.
307, described CAM card interrupts the descrambling to described program.
When the duration of CAM card to this program descrambling reaches preset duration, this CAM card stops the descrambling to this program, thus interrupts digital TV terminal to the broadcasting of this program.Such as when described CAM card carries out descrambling to these children's programs, described CAM card can start timer.If from described timer starts, when the timing length to described timer reaches 60 minutes, the descrambling that described CAM card will interrupt described children's programs.
Table 2, the corresponding relation of program Service ID, program category, preset duration
Alternatively, after described CAM card interrupts the descrambling to described program, can also CAM card menu be used by user to modify to this preset duration by account executive and password and set.
In the embodiment of the present invention, in the embodiment of the present invention, after CAM is stuck in the descramble requests of receiving digital television terminal transmission, by the program identification determination target descrambling strategy carried in described descramble requests, and according to target descrambling strategy, timing from descrambling is carried out to described program, determine the duration of descrambling, when determining that descrambling duration reaches preset duration, interrupt the descrambling to described program, thus the control realized the broadcasting of digital television program, the individual demand of user can be met, the descrambling duration of children's programs or charge program such as can be set, thus play the duration that restriction digital TV terminal plays children's programs or charge program, simple to operate.
Above the method for the digital television program Play Control in the embodiment of the present invention is described, below the Conditional Access Module in the embodiment of the present invention is described.
Refer to Fig. 4, a kind of Conditional Access Module in the embodiment of the present invention, specifically comprises:
Receiving element 401, for the descramble requests that receiving digital television terminal sends, carries program identification in described descramble requests.
Determining unit 402, for when determining that described program identification is preset target program identification, determines target descrambling strategy.
Alternatively, described determining unit 402 comprises the first determination module 4021 and the second determination module 4022, wherein, described first determination module 4021 is for determining the corresponding relation of described target program identification and descrambling strategy, and described second determination module 4022 is for determining described target descrambling strategy according to described corresponding relation.
Control unit 403, for according to described target descrambling strategy, the program corresponding to described program identification carries out descrambling control, plays described program to control described digital TV terminal.
In embodiment, determining unit comprises the first determination module and the second determination module above, in actual applications, this determining unit also can comprise the 3rd and determine and the 4th determination module, is described below to the another one embodiment of a kind of Conditional Access Module in the embodiment of the present invention.
Refer to Fig. 5, in the embodiment of the present invention, a kind of another one embodiment of Conditional Access Module comprises:
Receiving element 501, for the descramble requests that receiving digital television terminal sends, carries program identification in described descramble requests.
Determining unit 502, for when determining that described program identification is preset target program identification, determines target descrambling strategy.
Alternatively, described determining unit 502 comprises the 3rd determination module 5021 or the 4th determination module 5022, wherein, described 3rd determination module 5021 is for determining the program category that described target program identification is corresponding, for the corresponding relation according to described program category and preset program category and descrambling strategy, determine target descrambling strategy.
Control unit 503, for according to described target descrambling strategy, the program corresponding to described program identification carries out descrambling control, plays described program to control described digital TV terminal.
Control unit above in embodiment specifically can comprise sending module and descrambling module, is described below to the another one embodiment of a kind of Conditional Access Module in the embodiment of the present invention.
Refer to Fig. 6, in the embodiment of the present invention, a kind of another one embodiment of Conditional Access Module comprises:
Receiving element 601, for the descramble requests that receiving digital television terminal sends, carries program identification in described descramble requests.
Determining unit 602, for when determining that described program identification is preset target program identification, determines target descrambling strategy.
Alternatively, described determining unit 602 comprises the first determination module 6021 and the second determination module 6022, wherein, described first determination module 6021 is for determining the corresponding relation of described target program identification and descrambling strategy, and described second determination module 6022 is for determining described target descrambling strategy according to described corresponding relation.
Control unit 603, for according to described target descrambling strategy, the program corresponding to described program identification carries out descrambling control, plays described program to control described digital TV terminal.
Alternatively, described control unit 603 comprises sending module 6031 and descrambling module 6032, wherein, described sending module 6031 is for according to described target descrambling strategy, user ID request is sent to digital TV terminal, to make described digital TV terminal according to the described user ID request received, send the response message carrying user ID to described CAM card; Described descrambling module 6032, when determining that user corresponding to described user ID has viewing authority, carries out descrambling to described program.
Alternatively, described descrambling module 6032 comprises comparison sub-module 60321 and determines submodule 60322.Wherein, the user ID list that described comparison sub-module 60321 watches described program for the permission described user ID and described viewing authority comprised compares; Describedly determine that submodule 60322 is for determining described user ID whether in described user ID list.
Control unit above in embodiment comprises sending module and descrambling module, in actual applications, this control unit also can comprise the 5th determination module and interrupt module, is described below to the another one embodiment of a kind of Conditional Access Module in the embodiment of the present invention.
Refer to Fig. 7, in the embodiment of the present invention, a kind of another one embodiment of Conditional Access Module comprises:
Receiving element 701, for the descramble requests that receiving digital television terminal sends, carries program identification in described descramble requests.
Determining unit 702, for when determining that described program identification is preset target program identification, determines target descrambling strategy.
Alternatively, described determining unit 702 comprises the 3rd determination module 7021 or the 4th determination module 7022, wherein, described 3rd determination module 7021 is for determining the program category that described target program identification is corresponding, for the corresponding relation according to described program category and preset program category and descrambling strategy, determine target descrambling strategy.
Control unit 703, for according to described target descrambling strategy, the program corresponding to described program identification carries out descrambling control, plays described program to control described digital TV terminal.
Alternatively, described control unit 703 comprises the 5th determination module 7031 and interrupt module 7032, and wherein, described 5th determination module 7031, for carrying out descrambling from described CAM card to described program, determines the duration of descrambling; Described interrupt module 7032, for when the duration of described descrambling reaches preset duration, interrupts carrying out descrambling to described program.
Embodiment of the present invention conditional receiver module, after the descramble requests sent in receiving digital television terminal by receiving element, determining unit is utilized to determine target descrambling strategy by the program ID carried in described descramble requests, then descrambling control is carried out by control unit according to the program that target descrambling strategy is corresponding to this program ID, digital TV terminal is made to play this program, thus the control realized the broadcasting of digital television program, the individual demand of user can be met, improve the viewing experience of user; Further, this control unit can realize by sending module and descrambling module the broadcasting utilizing viewing control of authority program, and pre-child-resistant affects by Adult's Day object, plays the able-bodied object of child protection; Further, this control unit can also realize controlling the duration of broadcast program by the 5th determination module and interrupt module, thus plays the harm avoiding causing the physical and mental health that user causes because of viewing for a long time.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the system of foregoing description, the specific works process of device and unit, 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 system, apparatus and method, can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.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.
If described integrated unit using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (ROM, Read-OnlyMemory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. various can be program code stored medium.
The above, above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention 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 various embodiments of the present invention technical scheme.
Claims (12)
1. a method for digital television program Play Control, is characterized in that, comprising:
The descramble requests that digital TV terminal sends is received in Conditional Access Module CAM clamping, carries program identification in described descramble requests;
When determining that described program identification is preset target program identification, target descrambling strategy determined by described CAM card;
Described CAM card is according to described target descrambling strategy, and the program corresponding to described program identification carries out descrambling control, plays described program to control described digital TV terminal.
2. method according to claim 1, is characterized in that, described CAM card determines that target descrambling strategy comprises:
The corresponding relation of described target program identification and descrambling strategy determined by described CAM card;
Described CAM card determines described target descrambling strategy according to described corresponding relation.
3. method according to claim 1, is characterized in that, described CAM card determines that target descrambling strategy comprises:
The program category that described target program identification is corresponding determined by described CAM card;
Described CAM card, according to the corresponding relation of described program category and preset program category and descrambling strategy, determines target descrambling strategy.
4. according to the method in any one of claims 1 to 3, it is characterized in that, described CAM card is according to described target descrambling strategy, and the program corresponding to described program identification carries out descrambling and control to comprise:
Described CAM card, according to described target descrambling strategy, sends user ID request to digital TV terminal, to make described digital TV terminal according to the described user ID request received, sends the response message carrying user ID to described CAM card;
When determining that user corresponding to described user ID has viewing authority, described CAM card carries out descrambling to described program.
5. method according to claim 4, is characterized in that, described CAM card determines that user corresponding to user ID has viewing authority and comprise:
The user ID list that described program is watched in the permission that described user ID and described viewing authority comprise compares by described CAM card;
Described CAM card determines that described user ID is in described user ID list.
6. require the method according to any one of 1 to 3 according to power, it is characterized in that, described CAM card is according to described target descrambling strategy, and the program corresponding to described program identification carries out descrambling and control to comprise:
Described CAM card, according to described target descrambling strategy, from carrying out descrambling to described program, determines the duration of descrambling;
When the duration of described descrambling reaches preset duration, interrupt the descrambling to described program.
7. a Conditional Access Module CAM card, is characterized in that, comprises
Receiving element, for the descramble requests that receiving digital television terminal sends, carries program identification in described descramble requests;
Determining unit, for when determining that described program identification is preset target program identification, determines target descrambling strategy;
Control unit, for according to described target descrambling strategy, the program corresponding to described program identification carries out descrambling control, plays described program to control described digital TV terminal.
8. CAM card according to claim 7, is characterized in that, described determining unit comprises:
First determination module, for determining the corresponding relation of described target program identification and descrambling strategy;
Second determination module, for determining described target descrambling strategy according to described corresponding relation.
9. CAM card according to claim 7, is characterized in that, described determining unit comprises:
3rd determination module, for determining the program category that described target program identification is corresponding;
4th determination module, for the corresponding relation according to described program category and preset program category and descrambling strategy, determines target descrambling strategy.
10. the CAM card according to any one of claim 7 to 9, is characterized in that, described control unit comprises:
Sending module, for according to described target descrambling strategy, sends user ID request to digital TV terminal, to make described digital TV terminal according to the described user ID request received, sends the response message carrying user ID to described CAM card;
Descrambling module, when determining that user corresponding to described user ID has viewing authority, carries out descrambling to described program.
11. CAM cards according to claim 10, it is characterized in that, described descrambling module comprises:
Comparison sub-module, the user ID list that described program is watched in the permission for described user ID and described viewing authority being comprised compares;
Determine submodule, for determining described user ID whether in described user ID list.
12. require the CAM card according to any one of 7 to 9 according to power, and it is characterized in that, described control unit comprises:
5th determination module, for carrying out descrambling from described CAM card to described program, determines the duration of descrambling;
Interrupt module, for when the duration of described descrambling reaches preset duration, interrupts carrying out descrambling to described program.
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