CN103986950B - A kind of control method, device and the equipment of descrambling pattern - Google Patents
A kind of control method, device and the equipment of descrambling pattern Download PDFInfo
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- CN103986950B CN103986950B CN201410197963.5A CN201410197963A CN103986950B CN 103986950 B CN103986950 B CN 103986950B CN 201410197963 A CN201410197963 A CN 201410197963A CN 103986950 B CN103986950 B CN 103986950B
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Abstract
The invention discloses control method, device and the equipment that a kind of DTV descrambles pattern.Its method includes：According to the plug state of the slot of each digital television signal descrambling module, digital television signal descrambling module is detected；DTV is descrambled into the corresponding DTV descrambling pattern of digital television signal descrambling module that pattern configurations are the highest priority detected.Two are being detected even more after multiple digital TV signal descrambling module, the embodiment of the present invention gives the implementation for therefrom selecting digital television signal descrambling module, the digital television signal descrambling module of highest priority is selected, is descrambled using the corresponding DTV descrambling pattern of the digital television signal descrambling module of selection.It can be seen that, technical scheme provided in an embodiment of the present invention can descramble pattern by the DTV of compatible different type card in an equipment.
Description
Technical field
The present invention relates to digital TV technology, more particularly to a kind of control method, device and the equipment of descrambling pattern.
Background technology
What DTV (or digital TV integrated machine) was received is the data signal of compression.Need by descrambling, will
The data signal of compression is converted to the television content that DTV can be played.
At present mostly using Conditional Access of Digital Television (Conditional Access Module, CAM) card descrambling mould
Formula, also known as kilocalorie scheme, i.e., the scheme that CAM cards and smart card are used cooperatively.
CAM cards be with smart card slot be used for digital television signal decrypt and change personality card, also known as regarding it is close card,
Kilocalorie.CAM cards are used cooperatively with smart card (also known as lesser calorie), the data signal of compression can be converted into television content.Specifically
, smart card inserts the smart card slot of CAM cards, and the insertion of CAM cards carries common interface (Common Interface, abbreviation CI)
The equipment (such as digital TV integrated machine) of interface.
During using kilocalorie scheme, there are the following problems：
On the one hand, zapping This move needs DTV and lesser calorie to be communicated with completing.In kilocalorie scheme, numeral electricity
Depending on can not be with lesser calorie direct communication, it is necessary to which big be stuck between DTV and lesser calorie forward signal and realize zapping, therefore zapping
Speed is slow.
On the other hand, in kilocalorie scheme, descrambled by kilocalorie complete independently, but its descrambling speed is relatively slow.
Another aspect, DTV or set top box need to obtain lesser calorie card number information, and then whether judge lesser calorie card number
It is legal, if legal, acquisition business such as program request could be authorized., it is necessary to be stuck in DTV (machine top greatly in kilocalorie scheme
Box) forward signal between lesser calorie, lesser calorie card number, operator's informaiton and version information are obtained from lesser calorie by kilocalorie, then will
These information are sent to DTV or set top box.It can be seen that, the speed for obtaining these information is also slower.
To avoid the above mentioned problem that kilocalorie scheme is present, smart card descrambling pattern, also known as lesser calorie scheme are also proposed successively,
The scheme of smart card is used alone.
Smart card descrambles pattern, i.e., smart card is inserted into the equipment (such as digital TV integrated machine) with CA interfaces, by
Smart card is realized digital television signal decryption and changed, and the data signal of compression is converted into television content.
Single DTV descrambling pattern is only realized in current application in an equipment.When only support in an equipment
During kilocalorie scheme, there are problems that as above.When only supporting lesser calorie scheme in an equipment, due to the CA agreement disunities of lesser calorie,
The CA interfaces of equipment can not be adapted to all lesser calories.Once the CA interfaces of equipment can not be adapted to the lesser calorie of insertion, it will be unable to realize number
The descrambling of word TV signal.The DTV descrambling pattern that different type card is supported in an equipment how is realized, is desirable
The problem of solution.
The content of the invention
It is an object of the invention to provide a kind of control method, device and the equipment of descrambling pattern, to solve how to realize
In one equipment the problem of the DTV descrambling pattern of compatible different type card.
The purpose of the present invention is achieved through the following technical solutions：
A kind of DTV descrambles the control method of pattern, including：
According to the plug state of the slot of each digital television signal descrambling module, detection digital television signal descrambling mould
Block；
DTV is descrambled into the digital television signal descrambling module correspondence that pattern configurations are the highest priority detected
DTV descrambling pattern；Wherein, the digital television signal descrambling module inserted on different slots has different priority,
Or different types of digital television signal descrambling module has different priority.
Technical scheme provided in an embodiment of the present invention, is provided with the slot of at least two digital television signal descrambling modules,
By the plug state for the slot for detecting each digital television signal descrambling module, the numeral of each insertion slot can be detected
TV signal descrambling module.Two are being detected even more after multiple digital TV signal descrambling module, the embodiment of the present invention is provided
The implementation of digital television signal descrambling module is therefrom selected, that is, selects the digital television signal descrambling mould of highest priority
Block, is descrambled using the corresponding DTV descrambling pattern of the digital television signal descrambling module of selection.It can be seen that, the present invention is real
Applying the technical scheme of example offer can support the DTV of different type card to descramble pattern in an equipment.
It is preferred that in order to save space and input/output interface, the input/output interface of at least two slots can be answered
With.Accordingly, DTV is descrambled into the digital television signal descrambling module pair that pattern configurations are the highest priority detected
Answer DTV descrambling pattern implementation be：By the digital television signal descrambling module of the highest priority detected
The state for the input/output interface that the slot of slot and other digital television signal descrambling modules is multiplexed, switches to detect excellent
The corresponding working condition of first level highest digital television signal descrambling module, and start the numeral electricity of the highest priority detected
Depending on signal descrambling module, the thread of corresponding DTV descrambling pattern is descrambled.
It is preferred that the state of the input/output interface of above-mentioned multiplexing to be switched to the numeral electricity of the highest priority detected
Depending on signal descrambling module after corresponding working condition, start the digital television signal descrambling module of the highest priority detected
Before the thread of corresponding descrambling pattern is descrambled, it is determined that the digital television signal descrambling module of the highest priority detected
It can use.
If detecting two digital television signal descrambling modules, the digital television signal solution of the highest priority detected
Disturb module it is unavailable when, the corresponding DTV descrambling mould of the digital television signal descrambling module that is using still before
Formula.If detecting at least three digital television signal descrambling modules, the digital television signal solution of the highest priority detected
Disturb module it is unavailable when, the corresponding DTV descrambling mould of digital television signal descrambling module that preferential level can be selected high
Formula, it would however also be possible to employ the corresponding DTV descrambling pattern of the digital television signal descrambling module that is using before, can be with
Selection DTV descrambles pattern according to actual needs.
Based on above-mentioned any means embodiment, it is preferred that the thread that the DTV being replaced descrambles pattern is hung up, so as to
It can be switched fast when needing and descramble pattern for the DTV.The DTV descrambling pattern being replaced is, by DTV
Descrambling pattern configurations are the corresponding DTV descrambling pattern of digital television signal descrambling module of the highest priority detected
Before, the DTV descrambling pattern used.
Based on above-mentioned any means embodiment, if it is preferred that the digital television signal solution of the highest priority detected
It is that, regarding close card, by descrambling, the digital television signal descrambling module that pattern configurations are the highest priority detected is corresponding to disturb module
After DTV descrambling pattern, smart card information of the insertion regarding close card is obtained by proprietary protocol；According to corresponding with smart card
The smart card information that the display of descrambling pattern identical display format is obtained.
Based on the inventive concept same with method, the embodiment of the present invention also provides the control that a kind of DTV descrambles pattern
Device, including：
Detection module, the plug state for the slot according to each digital television signal descrambling module detects DTV
Signal descrambling module；
Pattern configurations module is descrambled, for DTV to be descrambled into the numeral that pattern configurations are the highest priority detected
The corresponding DTV descrambling pattern of TV signal descrambling module；Wherein, the digital television signal descrambling inserted on different slots
Module has different priority, or different types of digital television signal descrambling module has different priority.
Technical scheme provided in an embodiment of the present invention, is provided with the slot of at least two digital television signal descrambling modules,
By the plug state for the slot for detecting each digital television signal descrambling module, the numeral of each insertion slot can be detected
TV signal descrambling module.Two are being detected even more after multiple digital TV signal descrambling module, the embodiment of the present invention is provided
The implementation of digital television signal descrambling module is therefrom selected, that is, selects the digital television signal descrambling mould of highest priority
Block, is descrambled using the corresponding DTV descrambling pattern of the digital television signal descrambling module of selection.It can be seen that, the present invention is real
Applying the technical scheme of example offer can support the DTV of different type card to descramble pattern in an equipment.
It is preferred that descrambling pattern configurations module is used for：
By the slot of the digital television signal descrambling module of the highest priority detected and other digital television signal solutions
The state of the input/output interface of the slot multiplexing of module is disturbed, the digital television signal solution of the highest priority detected is switched to
The corresponding working condition of module is disturbed, and starts the corresponding numeral of digital television signal descrambling module of the highest priority detected
The thread of TV descrambling pattern is descrambled.
It is preferred that the state of the input/output interface of the multiplexing to be switched to the numeral electricity of the highest priority detected
Depending on signal descrambling module after corresponding working condition, start the digital television signal descrambling module of the highest priority detected
Before the thread of corresponding DTV descrambling pattern is descrambled, the descrambling pattern configurations module is additionally operable to：It is determined that detection
The digital television signal descrambling module of the highest priority arrived can use.
Based on above-mentioned any device embodiment, it is preferred that descrambling pattern configurations module is additionally operable to：
Hang up the thread that the DTV being replaced descrambles pattern；The DTV being replaced descrambles pattern and is, will
Descrambling pattern configurations are the corresponding DTV descrambling pattern of digital television signal descrambling module of the highest priority detected
Before, the DTV descrambling pattern used.
Based on the inventive concept same with method, the embodiment of the present invention also provides the control that a kind of DTV descrambles pattern
Equipment, includes the slot of processor, digital television signal descrambling module and at least two digital television signal descrambling modules：
In the slot of at least two digital television signal descrambling modules, each slot is at least defeated with remaining slot multiplexing
Enter output interface；
The processor, for being determined to detect digital television signal descrambling module according to the plug state of each slot
Afterwards, DTV is descrambled into the corresponding numeral of digital television signal descrambling module that pattern configurations are the highest priority detected
TV descrambles pattern, wherein, the digital television signal descrambling module inserted on different slots has different priority, or not
The digital television signal descrambling module of same type has different priority.
Technical scheme provided in an embodiment of the present invention, is provided with the slot of at least two digital television signal descrambling modules,
By the plug state for the slot for detecting each digital television signal descrambling module, the numeral of each insertion slot can be detected
TV signal descrambling module.Two are being detected even more after multiple digital TV signal descrambling module, the embodiment of the present invention is provided
The implementation of digital television signal descrambling module is therefrom selected, that is, selects the digital television signal descrambling mould of highest priority
Block, is descrambled using the corresponding DTV descrambling pattern of the digital television signal descrambling module of selection.It can be seen that, the present invention is real
Applying the technical scheme of example offer can support the DTV of different type card to descramble pattern in an equipment.In addition, this hair
The device that bright embodiment is provided, the input/output interface of at least two slots is multiplexed, space and input and output are effectively saved
Interface.
Brief description of the drawings
Fig. 1 is method flow diagram provided in an embodiment of the present invention；
Fig. 2 is a kind of control device schematic diagram provided in an embodiment of the present invention；
Fig. 3 is another control device schematic diagram provided in an embodiment of the present invention；
Fig. 4 is electrical block diagram provided in an embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, technical scheme provided in an embodiment of the present invention is described in detail.
The control method of DTV descrambling pattern provided in an embodiment of the present invention is as shown in figure 1, specifically include following behaviour
Make：
Step 100, the plug state according to the slot of each digital television signal descrambling module, detect digital television signal
Descrambling module.
Wherein, the digital television signal descrambling module inserted on different slots has different priority, or inhomogeneity
The digital television signal descrambling module of type has different priority.
Wherein, the priority of digital television signal descrambling module can be it is that equipment manufacturer is pre-configured with or
What user was arranged as required to, this is not limited by the present invention.
If detecting a digital television signal descrambling module, the digital television signal descrambling module is to detect
Highest priority digital television signal descrambling module.
Step 110, by DTV descramble pattern configurations be the highest priority detected digital television signal descramble
The corresponding DTV descrambling pattern of module.
Technical scheme provided in an embodiment of the present invention, is provided with the slot of at least two digital television signal descrambling modules,
By the plug state for the slot for detecting each digital television signal descrambling module, the numeral of each insertion slot can be detected
TV signal descrambling module.Two are being detected even more after multiple digital TV signal descrambling module, the embodiment of the present invention is provided
The implementation of digital television signal descrambling module is therefrom selected, that is, selects the digital television signal descrambling mould of highest priority
Block, is descrambled using the corresponding DTV descrambling pattern of the digital television signal descrambling module of selection.It can be seen that, the present invention is real
Applying the technical scheme of example offer can support the DTV of different type card to descramble pattern in an equipment.For example, using
Technical scheme provided in an embodiment of the present invention, CAM card slots and smart card slot are provided with an equipment.When the intelligence of insertion
When energy card can not be adapted to the interface of smart card slot, smart card can't detect.Now, if CAM card slots have CAM cards to insert
Enter, because the descrambling of CAM cards has unified standard, therefore the CAM cards of insertion still can be used to realize digital television signal
Descrambling, does not influence the normal of equipment to use.
It is preferred that in order to save space and input/output interface, the input/output interface of at least two slots can be answered
With.Slot realizes different functions by different input/output interfaces, and so-called multiplexing refers to, two or more to insert
Groove, shares at least one pin on hardware, and shared pin can realize different functions for different slots.For example,
CAM card slots and smart card slot share SOC (System on a Chip, on-chip system) GOIP (General Purpose
Input/Output universal inputs are exported) 51 pins, under CAM mode cards, the pin is used to carry out input and output read operation,
Under intelligent mode card, the pin is controlled for power switch.It should be noted that in order to ensure whenever may detect that
The plug state of each slot, for detecting that the input/output interface of plug state can not be multiplexed.Accordingly, by digital electricity
Regard the corresponding DTV descrambling mould of digital television signal descrambling module of highest priority of the descrambling pattern configurations to detect
The implementation of formula is：By the slot of the digital television signal descrambling module of the highest priority detected and other DTVs
The state of the input/output interface of the slot multiplexing of signal descrambling module, switches to the digital television signal descrambling module detected
Corresponding working condition, and start the corresponding DTV solution of digital television signal descrambling module of the highest priority detected
The thread for disturbing pattern is descrambled.
It is preferred that the state of the input/output interface of above-mentioned multiplexing to be switched to the numeral electricity of the highest priority detected
Depending on signal descrambling module after corresponding working condition, start the digital television signal descrambling module of the highest priority detected
Before the thread of corresponding DTV descrambling pattern is descrambled, it is determined that the digital television signal of the highest priority detected
Descrambling module can use.
If detecting two digital television signal descrambling modules, the digital television signal solution of the highest priority detected
Disturb module it is unavailable when, the corresponding DTV descrambling mould of the digital television signal descrambling module that is using still before
Formula.If detecting at least three digital television signal descrambling modules, the digital television signal solution of the highest priority detected
Disturb module it is unavailable when, the corresponding DTV descrambling mould of digital television signal descrambling module that preferential level can be selected high
Formula, it would however also be possible to employ the corresponding DTV descrambling pattern of the digital television signal descrambling module that is using before, can be with
Selection DTV descrambles pattern according to actual needs.
Wherein, the disabled situation of digital television signal descrambling module can with but be not limited only to include：Digital television signal
Descrambling module is expired, does not have program operator in digital television signal descrambling module, and digital television signal descrambling module is set
It not may be viewed by for present period, DTV descrambling module is not corresponding with set top box, the amount of money in digital television signal descrambling module
Deficiency, digital television signal descrambling module region is incorrect, and digital television signal descrambling module is upgraded, and smart card is damaged and led
Causing can not proper reset or correct communication etc..For CAM cards, disabled situation can also be that CAM card damages lead to not
Complete in initialization, CAM cards without smart card etc..
If not detecting the disabled situation of digital television signal descrambling module, it is determined that digital television signal descrambles
Module can use.
Based on above-mentioned any means embodiment, if having the DTV descrambling pattern used, step 110 before
Specifically carry out the switching that DTV descrambles pattern.It is preferred that the thread that the DTV being replaced descrambles pattern is hung up, with
It can be switched fast when just needing and descramble pattern for the DTV.The DTV descrambling pattern being replaced is, by digital electricity
Regard the corresponding DTV descrambling mould of digital television signal descrambling module of highest priority of the descrambling pattern configurations to detect
Before formula, the DTV descrambling pattern used.
Wherein, after digital television signal descrambling module is detected, the line that the DTV being replaced descrambles pattern is hung up
Journey.Specifically, it is corresponding that DTV is descrambled into the DTV descrambling module that pattern configurations are the highest priority detected
DTV descrambles pattern, and hangs up the thread that the DTV being replaced descrambles pattern.I.e., it is possible to descramble by DTV
After pattern configurations are the corresponding DTV descrambling pattern of DTV descrambling module of the highest priority detected, hang up
The DTV being replaced descrambles the thread of pattern；Can also be the priority that detects DTV is descrambled into pattern configurations
During the corresponding DTV descrambling pattern of highest DTV descrambling module, the DTV descrambling being replaced is hung up
The thread of pattern.This is not limited by the present invention.
Based on above-mentioned any means embodiment, if it is preferred that the digital television signal solution of the highest priority detected
It is, regarding close card, DTV to be descrambled into the digital television signal that pattern configurations are the highest priority detected and descrambles mould to disturb module
After the corresponding DTV descrambling pattern of block, smart card information of the insertion regarding close card is obtained by proprietary protocol；According to intelligence
Block the smart card information that corresponding DTV descrambling pattern identical display format display is obtained.Wherein, smart card information can
With but be not limited only to include：The card number of smart card, operator's informaiton etc..
Specifically, original host side can only can passively be shown by customizing mmi and can not be known a priori by being which kind of disappears
Those message pop-ups of breath type be revised as can Direct Recognition go out the message of type.Protocol layer is received after customization mmi message,
Intermediate layer is mapped by the type of message in message number and conditional access (Conditional Access, abbreviation CA), from
And the smart card information obtained is shown according to descrambling pattern identical display format corresponding with smart card.
Customization mmi is three bytes of increase, first character section before the titlestring fields of original mmi structures
For 0x11, second byte is 0x13, and the 3rd byte is message number.So when we have found that the mmi that receives
When two bytes are 0x11 and 0x13 before titlestring, it is possible to it is determined that being the mmi of customization, it is possible to pass through the 3rd
The message number of individual byte determines it is which kind of message.
The data structure for customizing mmi is as follows：
| 0x11 | 0x13 | Message number | Title string |
The implication that each message number is represented is as follows：
0x01:None- identified card
0x02:Smart card is expired, please more change card
0x03:Smart card is extracted
0x04:Program operator is not present in card
0x05:Condition is prohibited broadcasting
0x06:Present period is set to watch
0x07:Viewing rank of the program circle higher than setting
0x08:Smart card is not corresponding with this set top box
0x09:With no authorized
0x0a:Program decryption fails
0x0b:Igor Kanygin volume is not enough
0x0c:Region is incorrect
0x0d:Subcard needs are corresponding with master card, please insert master card
0x0e:Smart card verification failure, please contact operator
0x0f:Smart card is during upgrading, please should not pull out card or shutdown
0x20:Please be upgraded smart card
0x21:Please don't frequent switching channel
0x22:Smart card dormancy, restarts after asking 5 minutes
0x23:Smart card is frozen, please contact operator
0x24:Smart card is paused, please return rating and record to operation
0x25:It please restart set top box
In order to ensure can normally be used depending on close be stuck in the equipment of other unrealized proprietary protocols, customization can also be set
Mmi is switched, and when opening customization mmi is switched, is obtained the smart card information that insertion regards close card by proprietary protocol, is customized when closing
When mmi is switched, presentation of information is carried out according to existing mode.
The form of proprietary protocol can with but be not limited only to as shown in Table 1 and Table 2.
Table 1：Host Request forms
Table 2：CAM Response
Several key orders in proprietary protocol are illustrated below：
command_id0x20：Command list (CLIST) for inquiring about proprietary protocol support.
command_id0x40：Obtain smart card numbers.
command_id0x4c：Customize mmi switches.
When inquire about a certain information when, it is necessary first to inquiry used in order whether proprietary protocol support command list (CLIST)
In.
Method provided in an embodiment of the present invention is applied to cable digital TV card, satellite digital TV card, separation between machine and card
Set top box, digital TV integrated machine etc. equipment.
Based on the inventive concept same with method, the embodiment of the present invention also provides the control that a kind of DTV descrambles pattern
Device, as shown in Fig. 2 including：
Detection module 201, the plug state for the slot according to each digital television signal descrambling module detects numeral
TV signal descrambling module；
Pattern configurations module 202 is descrambled, for being the highest priority detected by DTV descrambling pattern configurations
The corresponding DTV descrambling pattern of digital television signal descrambling module；Wherein, the digital television signal inserted on different slots
Descrambling module has different priority, or different types of digital television signal descrambling module has different priority.
Technical scheme provided in an embodiment of the present invention, is provided with the slot of at least two digital television signal descrambling modules,
By the plug state for the slot for detecting each digital television signal descrambling module, the numeral of each insertion slot can be recognized
TV signal descrambling module.Two are being detected even more after multiple digital TV signal descrambling module, the embodiment of the present invention is provided
The implementation of digital television signal descrambling module is therefrom selected, that is, selects the digital television signal descrambling mould of highest priority
Block, is descrambled using the corresponding DTV descrambling pattern of the digital television signal descrambling module of selection.It can be seen that, the present invention is real
Applying the technical scheme of example offer can support the DTV of different type card to descramble pattern in an equipment.
It is preferred that descrambling pattern configurations module 202 is used for：
By the slot of the digital television signal descrambling module of the highest priority detected and other digital television signal solutions
The state of the input/output interface of the slot multiplexing of module is disturbed, the digital television signal solution of the highest priority detected is switched to
The corresponding working condition of module is disturbed, and starts the corresponding numeral of digital television signal descrambling module of the highest priority detected
The thread of TV descrambling pattern is descrambled.
It is preferred that the state of the input/output interface of the multiplexing to be switched to the numeral electricity of the highest priority detected
Depending on signal descrambling module after corresponding working condition, start the digital television signal descrambling module of the highest priority detected
Before the thread of corresponding DTV descrambling pattern is descrambled, the descrambling pattern configurations module 202 is additionally operable to：It is determined that inspection
The digital television signal descrambling module of the highest priority measured can use.
Based on above-mentioned any device embodiment, it is preferred that descrambling pattern configurations module 202 is additionally operable to：
Hang up the thread that the DTV being replaced descrambles pattern；The DTV being replaced descrambles pattern and is, will
Descrambling pattern configurations are the corresponding DTV descrambling pattern of digital television signal descrambling module of the highest priority detected
Before, the DTV descrambling pattern used.
Based on the inventive concept same with method, the embodiment of the present invention also provides the control that a kind of DTV descrambles pattern
Equipment, as shown in figure 3, including processor 302, the digital television signal solution of digital television signal descrambling module 303 and at least two
Disturb the slot 301 of module：
In the slot 301 of at least two digital television signal descrambling modules, each slot is at least multiple with remaining slot
Use input/output interface；
Processor 302, for being determined to detect after digital television signal descrambling module according to the plug state of each slot,
DTV is descrambled into the corresponding numeral electricity of digital television signal descrambling module that pattern configurations are the highest priority detected
Depending on descrambling pattern, wherein, the digital television signal descrambling module inserted on different slots has different priority, or different
The digital television signal descrambling module of type has different priority.
Technical scheme provided in an embodiment of the present invention, is provided with the slot of at least two digital television signal descrambling modules,
By the plug state for the slot for detecting each digital television signal descrambling module, the numeral of each insertion slot can be recognized
TV signal descrambling module.Two are being detected even more after multiple digital TV signal descrambling module, the embodiment of the present invention is provided
The implementation of digital television signal descrambling module is therefrom selected, that is, selects the digital television signal descrambling mould of highest priority
Block, is descrambled using the corresponding DTV descrambling pattern of the digital television signal descrambling module of selection.It can be seen that, the present invention is real
Applying the technical scheme of example offer can support the DTV of different type card to descramble pattern in an equipment.In addition, this hair
The device that bright embodiment is provided, the input/output interface of at least two slots is multiplexed, space and input and output are effectively saved
Interface.
The device that each embodiment of the invention described above is provided can be cable digital TV card, satellite digital TV card, machine
Block set top box, the digital TV integrated machine of separation etc. equipment or the device being arranged in these equipment.
The equipment that each embodiment of the invention described above is provided can be cable digital TV card, satellite digital TV card, machine
Block set top box, the digital TV integrated machine of separation etc. equipment.
Below by taking concrete application scene as an example, technical scheme provided in an embodiment of the present invention is described in detail.
For two kinds of DTV descrambling patterns of the compatibility CAM cards on digital TV integrated machine and smart card, in digital electricity
Depending on being provided with CAM card slots and smart card slot on all-in-one.In order to save space and input and output (IO) interface, the two are inserted
Groove by the way of stacking, and carries out the multiplexing of I/O interface in circuit design.As shown in figure 4, wherein, PCMCIA inserts for kilocalorie
Groove.
Under kilocalorie mode of operation, master chip SOC IORDs (input and output read operation) of the GPIO51-54 as kilocalorie,
IOWR (input and output write operation), RESET (reset), REG (Register, register) function, for realizing reading and writing data control
System, RESET etc. are operated.
Under lesser calorie mode of operation, GPIO51 is controlled for lesser calorie power switch；GPIO54 be used for A classes, B class cards (3V,
5V) voltage selection control；GPIO52,53 is respectively used to lesser calorie DATA (data), CLK (clock) function.
Signal cross-talk phenomenon is avoided the occurrence of when GPIO is multiplexed in addition, signal is carried out using triode on segment signal line
Isolation.
It should be noted that：The I/O port of big lesser calorie detection can not be multiplexed, it is ensured that whenever may detect that
The plug of two kinds of cards, this programme controls card detection CD1, CD2 under CAM card mode of operations with common GPIO other SOC.
Based on foregoing circuit structure, digital TV integrated machine is when controlling DTV descrambling pattern, and its operation principle can
To be divided into following functions module：
Using interactive module, card detection module, card identification module and function handover module, circuit design module, workflow
Journey such as figure one.
Each module is based on separately below, and the control flow that DTV descrambles pattern is illustrated.
Using interactive module：
The prompt facility of the main displaying function and the various events in descrambling procedure that ca/CI standard information is provided.
This module meets smart card information by interaction design and shown, the function such as CAM card informations displaying.
UI (User Interface, user interface) information includes two parts, and a part is CI or ca modular display
Information, the content of these information is fixed, including operator's informaiton, smart card information, version information etc., when user wants to check
When these information, checked by some menu entries click keys into menu；Another part is in program playing process
In, the various message ejected according to the situation of descrambling, the message of this part ca and CI in the communication protocol of standard are to differ
, but by changing CI communication protocols so that this part is united, which simplify UI logical construction.
Which kind of DTV descrambling pattern what is currently selected is, is provided with the UI information exhibitions which kind of DTV descrambles pattern
It is shown into mouth.By taking priority of the priority of smart card higher than CAM cards as an example, the UI of standard information shows detection and knowledge according to card
Other result can be divided into three kinds of scenes.
Scene one：When detect smart card it is available when, now in spite of having whether CAM and CAM can use, all only provide
Ca information shows entrance.(smart card is preferential)
Scene two：When being not detected by smart card or detecting intelligent but unavailable, CI information displaying entrance is only provided.
Scene three：When two kinds of cards are impossible to the used time, any ca/CI displayings entrance is not provided.
Ejection information includes：Card is ready to, smart card is expired, program operator etc. is not present in unauthorized, card.
The outstanding feature of this module has two：
UI can be detected according to card flexibly to be selected to show content with the result recognized.
Various Pop-up messages in descrambling procedure, by increasing proprietary protocol, it is ensured that under two kinds of DTV descrambling patterns
UI Pop-up messages it is consistent.
Card detection module：
For detect CAM cards and smart card into and out.
This module realizes the automatic detection to CAM cards and smart card.
Specifically, bottom layer driving starts the plug state that a thread detects CAM cards and smart card simultaneously.
The outstanding feature of this module is as follows：
Detection thread can detect the plug state of CAM cards and smart card simultaneously.
Card identification module：
The module be used for recognition detection to module function it is whether normal/whether can use.
When detecting CAM cards or smart card insertion, before switching is decided to do, first detect whether the card can use, such as
It is really unavailable, directly stop switching, return to original mode of operation.Just find that card can not possibly be used after switching can so be avoided
Situation.For smart card, this part needs the reset that is blocked and simple communication process, determines that smart card can normal work
Make.For CAM cards, then need to initialize module, can normal initialization represent that CAM cards can be with normal work.In card
Cognitive phase, it is not necessary to start ca or CI each task thread.
Because the performance of smart card is better than CAM cards, it is preferred that once detecting smart card insertion, smart card is carried out immediately
Reset operation, recognize whether current smart card can use, if it is available, being switched to smart card mode of operation.
In the case of smart card is inoperable, CAM cards are determined whether, if CAM cards, CAM cards are carried out just
Whether beginningization, identification CAM can use, if it is possible to normal initialization, then starts CI agreements, into CAM card mode of operations.
The outstanding feature of this module is as follows：
The use rank contrast locating CAM cards of smart card is high.
Card identification division is added, before a kind of DTV descrambling pattern is enabled, first recognizes whether the card can use, so
Decide whether switching again afterwards, it is to avoid block unavailable after switching and need to switch back and waste time again.The identification of smart card
Need to be resetted and carry out the inspection of casystemid (CA system banners).The identification of CAM cards needs to carry out module initialization.
Function handover module：
This module realizes the switching that pattern is descrambled to DTV.
When recognize smart card it is available when, be immediately switched to be descrambled using smart card.When smart card is unavailable, if
Detect CAM can use, be then switched to CAM card descrambling patterns.When being switched to a kind of descrambling mode, original descrambling side is first hung up
Related linear program in formula, and switch the working condition under the I/O port to new DTV descrambling pattern of multiplexing.
Due to being multiplexed many I/O ports between CAM necks and intelligent neck, be switched to new DTV descrambling pattern it
It is preceding, it is necessary to which the first resource shared by release former DTV descrambling pattern, and call the software interface of switching I/O port, makes multiple
I/O port is in the mode of operation that current digital television descrambles pattern, and then new DTV descrambling pattern is carried out just again
Beginningization.
Smart card is switched to by CAM cards and realizes that the flow of descrambling is as follows：
CI protocol stacks related linear program is hung up, and stopping CAM descramblings --- ----》The corresponding interface function is called, by the I/O port of multiplexing
Function be switched to the working condition --- -- of smart card》Identification intelligent card can use --- ---》Start ca related linear programs to be descrambled
And switching UI is shown.
CAM cards are switched to by smart card and realize that the flow of descrambling is as follows：
Hang-up ca related linear programs, stopping descrambling work --- ----》The corresponding interface function is called, by the work(of the I/O port of multiplexing
The working condition of CAM cards --- -- can be switched to》Startup CI related linear programs are descrambled and switched UI and shown.
The outstanding feature of this module is：
It is not thorough destruction related linear program when stopping a kind of DTV descrambling pattern, and simply by thread suspension,
So can quickly it start when switching back next time.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or computer program
Product.Therefore, the present invention can be using the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Apply the form of example.Moreover, the present invention can be used in one or more computers for wherein including computer usable program code
The computer program production that usable storage medium is implemented on (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The present invention is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Figure and/or block diagram are described.It should be understood that can be by every first-class in computer program instructions implementation process figure and/or block diagram
Journey and/or the flow in square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided
The processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for real
The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which is produced, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, thus in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
, but those skilled in the art once know basic creation although preferred embodiments of the present invention have been described
Property concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to include excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (8)
1. a kind of DTV descrambles the control method of pattern, it is characterised in that including：
According to the plug state of the slot of each digital television signal descrambling module, digital television signal descrambling module is detected；
DTV is descrambled into the corresponding number of digital television signal descrambling module that pattern configurations are the highest priority detected
Word TV descrambles pattern；Wherein, the digital television signal descrambling module inserted on different slots has different priority, or
Different types of digital television signal descrambling module has different priority；
Hang up the thread that the DTV being replaced descrambles pattern；The DTV being replaced descrambles pattern and is, by numeral
TV descrambling pattern configurations are the corresponding DTV descrambling of digital television signal descrambling module of the highest priority detected
Before pattern, the DTV descrambling pattern used.
2. according to the method described in claim 1, it is characterised in that it is detect preferential that DTV is descrambled into pattern configurations
The corresponding DTV descrambling pattern of level highest digital television signal descrambling module, including：
The slot of the digital television signal descrambling module of the highest priority detected and other digital television signals are descrambled into mould
The state of the input/output interface of the slot multiplexing of block, switches to the digital television signal of the highest priority detected to descramble mould
The corresponding working condition of block, and start the corresponding DTV of digital television signal descrambling module of the highest priority detected
The thread of descrambling pattern is descrambled.
3. method according to claim 2, it is characterised in that switch to the state of the input/output interface of the multiplexing
After the corresponding working condition of digital television signal descrambling module of the highest priority detected, start the priority detected
Before the thread of the corresponding DTV descrambling pattern of highest digital television signal descrambling module is descrambled, this method is also wrapped
Include：
It is determined that the digital television signal descrambling module of the highest priority detected can use.
4. the method according to any one of claims 1 to 3, it is characterised in that if the number of the highest priority detected
Word TV signal descrambling module is, regarding close card, DTV to be descrambled into the numeral electricity that pattern configurations are the highest priority detected
Depending on signal descrambling module after corresponding DTV descrambling pattern, this method also includes：
The insertion smart card information for regarding close card is obtained by proprietary protocol；
Descramble the smart card information that the display of pattern identical display format is obtained according to DTV corresponding with smart card.
5. a kind of DTV descrambles the control device of pattern, it is characterised in that including：
Detection module, the plug state for the slot according to each digital television signal descrambling module detects digital television signal
Descrambling module；
Pattern configurations module is descrambled, for DTV to be descrambled into the DTV that pattern configurations are the highest priority detected
The corresponding DTV descrambling pattern of signal descrambling module；Wherein, the digital television signal descrambling module inserted on different slots
There are different priority with different priority, or different types of digital television signal descrambling module；
The descrambling pattern configurations module is additionally operable to：Hang up the thread that the DTV being replaced descrambles pattern；It is described to be replaced
DTV descrambling pattern be, will descramble pattern configurations be the highest priority detected digital television signal descrambling module
Before corresponding DTV descrambling pattern, the DTV descrambling pattern used.
6. control device according to claim 5, it is characterised in that the descrambling pattern configurations module is used for：
The slot of the digital television signal descrambling module of the highest priority detected and other digital television signals are descrambled into mould
The state of the input/output interface of the slot multiplexing of block, switches to the digital television signal of the highest priority detected to descramble mould
The corresponding working condition of block, and start the corresponding DTV of digital television signal descrambling module of the highest priority detected
The thread of descrambling pattern is descrambled.
7. control device according to claim 6, it is characterised in that cut the state of the input/output interface of the multiplexing
It is changed to after the corresponding working condition of digital television signal descrambling module of the highest priority detected, it is excellent that startup is detected
Before the thread of the corresponding DTV descrambling pattern of first level highest digital television signal descrambling module is descrambled, the solution
Pattern configurations module is disturbed to be additionally operable to：It is determined that the digital television signal descrambling module of the highest priority detected can use.
8. a kind of DTV descrambles the control device of pattern, including processor, digital television signal descrambling module and at least two
The slot of individual digital television signal descrambling module, it is characterised in that：
In the slot of at least two digital television signals descrambling module, each slot is at least defeated with remaining slot multiplexing
Enter output interface；
The processor, will for being determined to detect after digital television signal descrambling module according to the plug state of each slot
DTV descrambling pattern configurations are the corresponding DTV of digital television signal descrambling module of the highest priority detected
Descrambling pattern, wherein, the digital television signal descrambling module inserted on different slots has different priority, or inhomogeneity
The digital television signal descrambling module of type has different priority；
The processor, is additionally operable to hang up the thread that the DTV being replaced descrambles pattern；The DTV being replaced
Descrambling pattern is that will descramble the corresponding numeral of digital television signal descrambling module that pattern configurations are the highest priority detected
Before TV descrambling pattern, the DTV descrambling pattern used.
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| CN108055573B (en) * | 2017-12-22 | 2020-12-08 | 深圳Tcl数字技术有限公司 | Data processing method and smart television |
| CN108574865A (en) * | 2018-03-30 | 2018-09-25 | 青岛海信电器股份有限公司 | The scramble process method, apparatus and terminal of terminal |
| CN108924652B (en) * | 2018-07-02 | 2020-04-28 | 四川长虹电器股份有限公司 | Method for detecting television signal change |
| CN109743622A (en) * | 2019-01-23 | 2019-05-10 | 青岛海信电器股份有限公司 | A kind of tuning method for parameter configuration, device and equipment based on CAM card |
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| CN1605052A (en) * | 2001-12-12 | 2005-04-06 | 汤姆森许可贸易公司 | Processing data |
| CN102131117A (en) * | 2011-03-21 | 2011-07-20 | 深圳创维数字技术股份有限公司 | Digital television program switching method, switching control device and set top box |
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| CN1128542C (en) * | 1998-04-03 | 2003-11-19 | 松下电器产业株式会社 | Portable viewing system |
| CN101247500A (en) * | 2007-02-12 | 2008-08-20 | 深圳市隆泰数字技术有限公司 | General software descrambling method for different scrambling systems of digital television |
| CN102438169B (en) * | 2011-12-06 | 2014-04-02 | 四川长虹电器股份有限公司 | Automatic testing method of integrated machine with set-top box and digital television |
| CN103200435A (en) * | 2012-01-06 | 2013-07-10 | 北京东方广视科技股份有限公司 | Set top box and control method and television signal transmission system used for same |
| CN203301674U (en) * | 2013-05-24 | 2013-11-20 | Tcl商用信息科技（惠州）股份有限公司 | Digital television and smart card reader |
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| CN1605052A (en) * | 2001-12-12 | 2005-04-06 | 汤姆森许可贸易公司 | Processing data |
| CN102131117A (en) * | 2011-03-21 | 2011-07-20 | 深圳创维数字技术股份有限公司 | Digital television program switching method, switching control device and set top box |
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Address after: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee after: Hisense Visual Technology Co., Ltd. Address before: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee before: QINGDAO HISENSE ELECTRONICS Co.,Ltd. |