CN106454410A - Copyright protection method and device for encrypted program - Google Patents
Copyright protection method and device for encrypted program Download PDFInfo
- Publication number
- CN106454410A CN106454410A CN201611195142.3A CN201611195142A CN106454410A CN 106454410 A CN106454410 A CN 106454410A CN 201611195142 A CN201611195142 A CN 201611195142A CN 106454410 A CN106454410 A CN 106454410A
- Authority
- CN
- China
- Prior art keywords
- push
- ciphered program
- program
- higher limit
- display device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 37
- 230000001960 triggered effect Effects 0.000 abstract description 2
- 230000003993 interaction Effects 0.000 abstract 1
- 230000002452 interceptive effect Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
- H04N21/23473—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption by pre-encrypting
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/26606—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel for generating or managing entitlement messages, e.g. Entitlement Control Message [ECM] or Entitlement Management Message [EMM]
-
- 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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
-
- 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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
-
- 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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption
-
- 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
- H04N21/4508—Management of client data or end-user data
-
- 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
- H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/85—Assembly of content; Generation of multimedia applications
- H04N21/854—Content authoring
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Computer Security & Cryptography (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a copyright protection method for an encrypted program. The method comprises the steps of after a television decrypts and plays a selected encrypted program, acquiring encryption information of the encrypted program if a push command triggered by a user is detected; analyzing the encryption information, and acquiring an upper limit for pushing corresponding to the encrypted program; and pushing the encrypted program to the other available display equipment according to the upper limit for pushing. The invention also discloses a copyright protection device for the encrypted program. According to the method and the device provided by the invention, the upper limit for pushing is pre-added into the encrypted program, so that the television can only simultaneously push the encrypted program to the other display equipment of which the quantity is the same as the upper limit for pushing at most, and thus the copyright of the encrypted program is effectively protected, and the technical problem that in prior art, the copyright of the encrypted program cannot be effectively protected due to the development of a multi-screen interaction technology is solved.
Description
Technical field
The present invention relates to digital TV technology, more particularly, to a kind of copy-right protection method of ciphered program and device.
Background technology
Digital television program is divided into clear stream program and ciphered program, clear stream program user can view for free, ciphered program is then
Rear user must be decrypted using CAM (Conditional Access Module, conditioned access module) could watch, section
Mesh operator to reach the purpose of charge profit in this way, but after CAM is decrypted to ciphered program, this program
Then no longer it is subject to the management and control of program operator.But go to control the broadcasting of ciphered program by television set.
At present, with the fast development of multi-screen interactive technology, most of television set is generally supported to push away audio video synchronization
Deliver to the electronic display units such as smart mobile phone, panel computer, so that the copyright of ciphered program cannot be effectively protected.
Content of the invention
Present invention is primarily targeted at proposing a kind of copy-right protection method of ciphered program and device it is intended to solve existing
Because the development of multi-screen interactive technology is so that the technical problem that cannot be effectively protected of the copyright of ciphered program in technology.
For achieving the above object, the present invention provides a kind of copy-right protection method of ciphered program, and methods described includes：
After the ciphered program of selection is decrypted and plays by television set, if the push instruction of user's triggering is detected,
Then obtain the encryption information of described ciphered program；
Parse described encryption information, obtain the push higher limit corresponding to described ciphered program；
According to described push higher limit, described ciphered program is pushed to the other display devices that can push and broadcast
Put.
Preferably, the step obtaining the encryption information of described ciphered program includes：
User policy information is obtained from the broadcast code flow of described ciphered program by preset CICAM module in television set
URI data；
Parse described encryption information, the step obtaining the push higher limit corresponding to described ciphered program includes：
Parse described URI data, obtain the push higher limit corresponding to described ciphered program.
Preferably, also include before the encryption information obtaining described ciphered program：
In advance the URI data comprising described ciphered program push higher limit is added to the broadcast code flow of described ciphered program
In.
Preferably, described according to described push higher limit, described ciphered program is pushed to the other displays that can push
The step that equipment plays out includes：
If television set currently supports that the number of the display device pushing is more than described push higher limit, according to described display
The corresponding priority of equipment, determines the push authority of described ciphered program, or the selection operation according to user's triggering, determines institute
State the push authority of ciphered program；
Described ciphered program is pushed to have and pushes the display device of authority and play out, wherein, described have push away
The number sending the display device of authority is less than or equal to described push higher limit.
Preferably, described according to described push higher limit, described ciphered program is pushed to the other displays that can push
The step that equipment plays out also includes：
If television set currently supports that the number of the display device pushing is less than or equal to described push higher limit, will be described
Ciphered program pushes to television set and currently supports the display device pushing and play out.
Additionally, for achieving the above object, the present invention also provides a kind of apparatus for protecting copyright of ciphered program, described device bag
Include：
Acquisition module, for after the ciphered program of selection is decrypted and plays by television set, if user is detected touch
The push instruction sent out, then obtain the encryption information of described ciphered program；
Parsing module, for parsing described encryption information, obtains the push higher limit corresponding to described ciphered program；
Pushing module, for according to described push higher limit, described ciphered program being pushed to the others that can push and showing
Show that equipment plays out.
Preferably, described acquisition module is used for：
URI data is obtained from the broadcast code flow of described ciphered program by preset CICAM module in television set；
Described parsing module is used for：
Parse described URI data, obtain the push higher limit corresponding to described ciphered program.
Preferably, the apparatus for protecting copyright of described ciphered program also includes：
Add module, for being added to described encryption by the URI data comprising described ciphered program push higher limit in advance
In the broadcast code flow of program.
Preferably, described pushing module includes：
Determining unit, if currently supporting for television set, the number of the display device pushing is more than described push higher limit,
Then according to the corresponding priority of described display device, determine the push authority of described ciphered program, or according to user's triggering
Selection operation, determines the push authority of described ciphered program；
Push unit, pushes the display device of authority and plays out for pushing to described ciphered program to have, its
In, the described number with the display device pushing authority is less than or equal to described push higher limit.
Preferably, described pushing module is additionally operable to：
If television set currently supports that the number of the display device pushing is less than or equal to described push higher limit, will be described
Ciphered program pushes to television set and currently supports the display device pushing and play out.
The copy-right protection method of ciphered program provided by the present invention and device, when when television for play ciphered program,
If the push instruction of user's triggering is detected, obtaining the encryption information of described ciphered program, then parsing described encrypted sections
Push higher limit corresponding to mesh, and according to described push higher limit, described ciphered program is pushed to the others that can push
Display device plays out.The present invention passes through to obtain ciphered program corresponding push higher limit so that television set at most can only be same
When described ciphered program is pushed to and the described other display equipment pushing higher limit formed objects quantity, allow ciphered program
Copyright can be effectively protected, and solve in prior art due to the development of multi-screen interactive technology, lead to ciphered program
The technical problem that copyright cannot be effectively protected.
Brief description
Fig. 1 is the schematic flow sheet of the copy-right protection method first embodiment of ciphered program of the present invention；
Fig. 2 is the schematic flow sheet of the copy-right protection method second embodiment of ciphered program of the present invention；
Fig. 3 is the refinement step of step S30 shown in Fig. 1 in the copy-right protection method 3rd embodiment of ciphered program of the present invention
Schematic diagram；
Fig. 4 is the module diagram of the apparatus for protecting copyright first embodiment of ciphered program of the present invention；
Fig. 5 is the module diagram of the apparatus for protecting copyright second embodiment of ciphered program of the present invention；
Fig. 6 is the refinement of pushing module 30 shown in Fig. 4 in the apparatus for protecting copyright 3rd embodiment of ciphered program of the present invention
Cell schematics.
The realization of the object of the invention, functional characteristics and advantage will be described further in conjunction with the embodiments referring to the drawings.
Specific embodiment
Below in conjunction with Figure of description, the preferred embodiments of the present invention are illustrated it will be appreciated that described herein
Preferred embodiment is merely to illustrate and explains the present invention, is not intended to limit the present invention, and in the case of not conflicting, this
Embodiment in bright and the feature in embodiment can be mutually combined.
The present invention provides a kind of copy-right protection method of ciphered program, and the method is mainly for the protection of the broadcasting of ciphered program
Copyright, with reference to Fig. 1, Fig. 1 is the schematic flow sheet of the copy-right protection method first embodiment of ciphered program of the present invention, the present embodiment
In, the copy-right protection method of described ciphered program includes：
Step S10, after the ciphered program of selection is decrypted and plays by television set, if detect pushing away of user's triggering
Send instruction, then obtain the encryption information of described ciphered program.
In the present embodiment, for ciphered program, user wants to watch certain ciphered program in a television set, then necessary
First buy the broadcasting copyright of this ciphered program to TV programme supplier, then pass through again television program supplier certification it
Afterwards, you can select corresponding ciphered program to play out in a television set.
Wherein, television set play ciphered program during, if user wants to receive by other display device simultaneously
See described ciphered program, then need the push in trigger television to instruct, then described ciphered program is pushed to other aobvious
Show that equipment plays out.For example, television set is typically all placed among parlor, when user wants to pass through on the bed lie in bedroom
When mobile phone or panel computer to watch the currently playing ciphered program of television set simultaneously, then can be with the push in trigger television
Then described ciphered program is pushed to described mobile phone or panel computer plays out by instruction.
Wherein, after push instruction user's triggering is detected, then obtain the encryption information of described ciphered program.
Step S20, parses described encryption information, obtains the push higher limit corresponding to described ciphered program.
In the present embodiment, after getting the encryption information of described ciphered program, parse described encryption information, obtain institute
State the push higher limit corresponding to ciphered program.
Wherein, described push higher limit refers to allow television set described ciphered program to be pushed to other display equipment simultaneously
Number, by ciphered program, supplier is set.For example when described push higher limit is 3 then it represents that allowing television set same
When described ciphered program pushed to other 3 display device play out.
Step S30, according to described push higher limit, described ciphered program is pushed to the other display devices that can push
Play out.
In the present embodiment, after getting the push higher limit corresponding to described ciphered program, according on described push
Limit value, described ciphered program is pushed to the other display devices that can push and plays out.For example, when described push higher limit
During for 3, then described ciphered program at most can only be pushed to other 3 display devices simultaneously and play out by television set.
The copy-right protection method of the ciphered program described in the present embodiment, when when television for play ciphered program, if detection
To the push instruction of user's triggering, then obtain the encryption information of described ciphered program, then parse described ciphered program institute right
The push higher limit answered, and according to described push higher limit, described ciphered program is pushed to the other displays that can push and set
Standby play out.The present embodiment pass through obtain ciphered program corresponding push higher limit so that television set at most can only simultaneously by
Described ciphered program pushes to and the described other display equipment pushing higher limit formed objects quantity, allows the copyright of ciphered program
Can be effectively protected, solve in prior art due to the development of multi-screen interactive technology, lead to the copyright of ciphered program
The technical problem that cannot be effectively protected.
Further, with reference to Fig. 2, Fig. 2 is that the flow process of the copy-right protection method second embodiment of ciphered program of the present invention is shown
It is intended to, based on the embodiment described in above-mentioned Fig. 1, in the present embodiment, the described ciphered program of acquisition described in above-mentioned steps S10
Include before the step of encryption information：
Step S40, will comprise URI (the Usage Rules of described ciphered program push higher limit in advance
Information, user policy information) data is added in the broadcast code flow of described ciphered program.
In the present embodiment, TV programme supplier before ciphered program is sent to television set, for effective protection institute
State the copyright of ciphered program, need in advance the URI data comprising described ciphered program push higher limit to be added to described encryption
In the broadcast code flow of program, then more described broadcast code flow is sent to television set.
Wherein, the step obtaining the encryption information of described ciphered program includes：
By preset CICAM in television set, (Common Interface Conditional Access Module leads to
Use interface condition AM access module) module obtains URI data from the broadcast code flow of described ciphered program.
Wherein, television set wants to receive and watch ciphered program, then need to install a set of CAM mould in a television set in advance
Block, increases PCMCIA standard computer interfaceJi Suanjijiekou CI (Common Interface, general-purpose interface) equipment on the basis of CAM bank,
Just constitute described CICAM module.URI just can be obtained from the broadcast code flow of described ciphered program by this CICAM module
Data.Wherein, include the push higher limit corresponding to described ciphered program in described URI data.
Further, the described encryption information of the parsing described in above-mentioned steps S20, obtains corresponding to described ciphered program
The step pushing higher limit includes：
Parse described URI data, obtain the push higher limit corresponding to described ciphered program.
In the present embodiment, when described CICAM module gets described URI data from the broadcast code flow of described ciphered program
Afterwards, by resolver corresponding in television set, parse described URI data, obtain in the push corresponding to described ciphered program
Limit value.
The copy-right protection method of the ciphered program described in the present embodiment, adds in ciphered program in advance and pushes higher limit,
After push instruction user's triggering is detected, then pass through the broadcasting code from ciphered program for the preset CICAM module in television set
Get URI data in stream, then obtain the push upper limit corresponding to described ciphered program by parsing described URI data
Value so that television set at most can only simultaneously by described ciphered program push to described push higher limit formed objects quantity its
His display device, reaches the purpose being effectively protected ciphered program copyright.
Further, with reference to Fig. 3, Fig. 3 is shown in Fig. 1 in the copy-right protection method 3rd embodiment of ciphered program of the present invention
The refinement step schematic diagram of step S30, based on the embodiment described in above-mentioned Fig. 1, in the present embodiment, described in above-mentioned steps S30
According to described push higher limit, described ciphered program is pushed to the step that the other display devices that can push play out
Including：
Step S31, if television set currently supports that the number of the display device pushing is more than described push higher limit, basis
The corresponding priority of described display device, determines the push authority of described ciphered program, or the selection behaviour according to user's triggering
Make, determine the push authority of described ciphered program；
Step S32, described ciphered program is pushed to and has the display device pushing authority and play out, wherein, institute
State the number with the display device pushing authority less than or equal to described push higher limit.
In the present embodiment, after getting the push higher limit corresponding to described ciphered program, detection television set is current
Support the display device pushing, that is, detect that the display device pushing annexation set up by current and television set, then judge TV
Machine currently supports whether the number of the display device pushing is more than described push higher limit, if being more than, needs to limit television set
The number of the display device that currently can push.For example, when the number that the display device pushing currently supported by television set is 5, and
When described push higher limit is 3, then the number of the display device that currently can push television set is limited to 3, and that is, television set is
How described ciphered program can only be pushed to wherein 3 display devices simultaneously.
Wherein, in advance corresponding priority is arranged to the display device being connected in television set, when television set is currently supported
When the number of the display device pushing is more than described push higher limit, then pushing away of described ciphered program is determined according to described priority
Send authority.Such as television set currently supports that the display device pushing has A, B, C, D, E, and its priority is sequentially reduced, then when described
When the push upper limit of ciphered program is 3, then the push authority of described ciphered program is authorized display device A, B, C.
Or it is also possible to corresponding display device is manually selected by user, user is such as detected and select display device A, B, D
When, then the push authority of described ciphered program is authorized display device A, B, D.
Wherein, after determining the push authority of described ciphered program, then described ciphered program is pushed to push
The display device of authority simultaneously plays out, and the described number with the display device pushing authority is less than or equal to described encryption
Push higher limit corresponding to program.
Further, described in above-mentioned steps S30 according to described push higher limit, described ciphered program is pushed to can
The step that the other display devices pushing play out also includes：
If television set currently supports that the number of the display device pushing is less than or equal to described push higher limit, will be described
Ciphered program pushes to television set and currently supports the display device pushing and play out.
In the present embodiment, if television set currently supports that the number of the display device pushing is less than or equal to the described push upper limit
Value, then can arbitrarily push to, by described ciphered program, the display device that television set is currently supported to push, and play out.
The copy-right protection method of the ciphered program described in the present embodiment, if the display device of push currently supported by television set
Number is more than described push higher limit, then need to limit the number of the display device that television set currently can push, with specific reference to institute
State the push authority that the corresponding priority orders of display device determine described ciphered program, then described ciphered program is pushed to
Have and push the display device of authority and play out, wherein, the described number with the display device pushing authority be less than or
Equal to described push higher limit, it is thereby achieved that the purpose of effective protection ciphered program copyright.
The present invention also provides a kind of apparatus for protecting copyright of ciphered program, and this device is television set or ciphered program sends
A part in terminal, with reference to Fig. 4, Fig. 4 is that the module of the apparatus for protecting copyright first embodiment of ciphered program of the present invention is illustrated
Figure, in the present embodiment, the apparatus for protecting copyright 100 of described ciphered program includes：
Acquisition module 10, for after the ciphered program of selection is decrypted and plays by television set, if detect user
The push instruction of triggering, then obtain the encryption information of described ciphered program.
In the present embodiment, for ciphered program, user wants to watch certain ciphered program in a television set, then necessary
First buy the broadcasting copyright of this ciphered program to TV programme supplier, then pass through again television program supplier certification it
Afterwards, you can select corresponding ciphered program to play out in a television set.
Wherein, television set play ciphered program during, if user wants to receive by other display device simultaneously
See described ciphered program, then need the push in trigger television to instruct, then described ciphered program is pushed to other aobvious
Show that equipment plays out.For example, television set is typically all placed among parlor, when user wants to pass through on the bed lie in bedroom
When mobile phone or panel computer to watch the currently playing ciphered program of television set simultaneously, then can be with the push in trigger television
Then described ciphered program is pushed to described mobile phone or panel computer plays out by instruction.
Wherein, after push instruction user's triggering is detected, then obtain the encryption information of described ciphered program.
Parsing module 20, for parsing described encryption information, obtains the push higher limit corresponding to described ciphered program.
In the present embodiment, after getting the encryption information of described ciphered program, parse described encryption information, obtain institute
State the push higher limit corresponding to ciphered program.
Wherein, described push higher limit refers to allow television set described ciphered program to be pushed to other display equipment simultaneously
Number, by ciphered program, supplier is set.For example when described push higher limit is 3 then it represents that allowing television set same
When described ciphered program pushed to other 3 display device play out.
Pushing module 30, for according to described push higher limit, described ciphered program being pushed to the others that can push
Display device plays out.
In the present embodiment, after getting the push higher limit corresponding to described ciphered program, according on described push
Limit value, described ciphered program is pushed to the other display devices that can push and plays out.For example, when described push higher limit
During for 3, then described ciphered program at most can only be pushed to other 3 display devices simultaneously and play out by television set.
The apparatus for protecting copyright of the ciphered program described in the present embodiment, when when television for play ciphered program, if detection
To the push instruction of user's triggering, then obtain the encryption information of described ciphered program, then parse described ciphered program institute right
The push higher limit answered, and according to described push higher limit, described ciphered program is pushed to the other displays that can push and set
Standby play out.The present embodiment passes through to add push higher limit in ciphered program in advance so that television set at most can only be simultaneously
Described ciphered program is pushed to and the described other display equipment pushing higher limit formed objects quantity, allow the version of ciphered program
Powers and functions access and are effectively protected, and solve in prior art due to the development of multi-screen interactive technology, lead to the version of ciphered program
The technical problem that power cannot be effectively protected.
Further, with reference to Fig. 5, Fig. 5 is that the module of the apparatus for protecting copyright second embodiment of ciphered program of the present invention is shown
It is intended to, based on the embodiment described in above-mentioned Fig. 4, in the present embodiment, the apparatus for protecting copyright 100 of described ciphered program also includes：
Add module 40, for being added to described adding by the URI data comprising described ciphered program push higher limit in advance
In the broadcast code flow of close program.
In the present embodiment, TV programme supplier before ciphered program is sent to television set, for effective protection institute
State the copyright of ciphered program, need in advance the URI data comprising described ciphered program push higher limit to be added to described encryption
In the broadcast code flow of program, then more described broadcast code flow is sent to television set.
Wherein, described acquisition module 10 is used for：
URI data is obtained from the broadcast code flow of described ciphered program by preset CICAM module in television set.
Wherein, television set wants to receive and watch ciphered program, then need to install a set of CAM mould in a television set in advance
Block, increases PCMCIA standard computer interfaceJi Suanjijiekou CI equipment on the basis of CAM bank, just constitutes described CICAM module.By this
CICAM module just can obtain URI data from the broadcast code flow of described ciphered program.Wherein, include in described URI data
Push higher limit corresponding to described ciphered program.
Further, described parsing module 20 is used for：
Parse described URI data, obtain the push higher limit corresponding to described ciphered program.
In the present embodiment, when described CICAM module gets described URI data from the broadcast code flow of described ciphered program
Afterwards, by resolver corresponding in television set, parse described URI data, obtain in the push corresponding to described ciphered program
Limit value.
The apparatus for protecting copyright of the ciphered program described in the present embodiment, adds in ciphered program in advance and pushes higher limit,
After push instruction user's triggering is detected, then pass through the broadcasting code from ciphered program for the preset CICAM module in television set
Get URI data in stream, then obtain the push upper limit corresponding to described ciphered program by parsing described URI data
Value so that television set at most can only simultaneously by described ciphered program push to described push higher limit formed objects quantity its
His display device, reaches the purpose being effectively protected ciphered program copyright.
Further, with reference to Fig. 6, Fig. 6 is shown in Fig. 4 in the apparatus for protecting copyright 3rd embodiment of ciphered program of the present invention
The refinement cell schematics of pushing module 30, based on the embodiment described in above-mentioned Fig. 4, in the present embodiment, described pushing module 30
Including：
Determining unit 31, if currently supporting for television set, the number of the display device pushing is more than the described push upper limit
Value, then according to the corresponding priority of described display device, determine the push authority of described ciphered program, or is triggered according to user
Selection operation, determine the push authority of described ciphered program；
Push unit 32, pushes the display device of authority and plays out for pushing to described ciphered program to have,
Wherein, the described number with the display device pushing authority is less than or equal to described push higher limit.
In the present embodiment, after getting the push higher limit corresponding to described ciphered program, detection television set is current
Support the display device pushing, that is, detect that the display device pushing annexation set up by current and television set, then judge TV
Machine currently supports whether the number of the display device pushing is more than described push higher limit, if being more than, needs to limit television set
The number of the display device that currently can push.For example, when the number that the display device pushing currently supported by television set is 5, and
When described push higher limit is 3, then the number of the display device that currently can push television set is limited to 3, and that is, television set is
How described ciphered program can only be pushed to wherein 3 display devices simultaneously.
Wherein, in advance corresponding priority is arranged to the display device being connected in television set, when television set is currently supported
When the number of the display device pushing is more than described push higher limit, then pushing away of described ciphered program is determined according to described priority
Send authority.Such as television set currently supports that the display device pushing has A, B, C, D, E, and its priority is sequentially reduced, then when described
When the push upper limit of ciphered program is 3, then the push authority of described ciphered program is authorized display device A, B, C.
Or it is also possible to corresponding display device is manually selected by user, user is such as detected and select display device A, B, D
When, then the push authority of described ciphered program is authorized display device A, B, D.
Wherein, after determining the push authority of described ciphered program, then described ciphered program is pushed to push
The display device of authority simultaneously plays out, and the described number with the display device pushing authority is less than or equal to described encryption
Push higher limit corresponding to program.
Further, above-mentioned pushing module 30 is additionally operable to：
If television set currently supports that the number of the display device pushing is less than or equal to described push higher limit, will be described
Ciphered program pushes to television set and currently supports the display device pushing and play out.
In the present embodiment, if television set currently supports that the number of the display device pushing is less than or equal to the described push upper limit
Value, then can arbitrarily push to, by described ciphered program, the display device that television set is currently supported to push, and play out.
The apparatus for protecting copyright of the ciphered program described in the present embodiment, if the display device of push currently supported by television set
Number is more than described push higher limit, then need to limit the number of the display device that television set currently can push, with specific reference to institute
State the push authority that the corresponding priority orders of display device determine described ciphered program, then described ciphered program is pushed to
Have and push the display device of authority and play out, wherein, the described number with the display device pushing authority be less than or
Equal to described push higher limit, it is thereby achieved that the purpose of effective protection ciphered program copyright.
It should be noted that herein, term " inclusion ", "comprising" or its any other variant are intended to non-row
The comprising of his property, so that including a series of process of key elements, method, article or device not only include those key elements, and
And also include other key elements of being not expressly set out, or also include intrinsic for this process, method, article or device institute
Key element.In the absence of more restrictions, the key element being limited by sentence "including a ..." is it is not excluded that including being somebody's turn to do
Also there is other identical element in the process of key element, method, article or device.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by the mode of software plus necessary general hardware platform naturally it is also possible to pass through hardware, but in many cases
The former is more preferably embodiment.Based on such understanding, technical scheme is substantially done to prior art in other words
Go out partly can embodying in the form of software product of contribution, this computer software product is stored in a storage medium
In, including some instructions with so that a station terminal equipment executes the method described in each embodiment of the present invention.
These are only the preferred embodiments of the present invention, not thereby limit the present invention the scope of the claims, every using this
Equivalent structure or equivalent flow conversion that bright description and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of copy-right protection method of ciphered program is it is characterised in that methods described includes：
After the ciphered program of selection is decrypted and plays by television set, if the push instruction of user's triggering is detected, obtain
Take the encryption information of described ciphered program；
Parse described encryption information, obtain the push higher limit corresponding to described ciphered program；
According to described push higher limit, described ciphered program is pushed to the other display devices that can push and play out.
2. the copy-right protection method of ciphered program as claimed in claim 1 is it is characterised in that obtain adding of described ciphered program
The step of confidential information includes：
User policy information URI is obtained from the broadcast code flow of described ciphered program by preset CICAM module in television set
Data；
Parse described encryption information, the step obtaining the push higher limit corresponding to described ciphered program includes：
Parse described URI data, obtain the push higher limit corresponding to described ciphered program.
3. the copy-right protection method of ciphered program as claimed in claim 1 or 2 is it is characterised in that obtain described ciphered program
Encryption information before also include：
In advance the URI data comprising described ciphered program push higher limit is added in the broadcast code flow of described ciphered program.
4. ciphered program as claimed in claim 3 copy-right protection method it is characterised in that described according to the described push upper limit
Value, described ciphered program is pushed to the step that the other display devices that can push play out and includes：
If television set currently supports that the number of the display device pushing is more than described push higher limit, according to described display device
Corresponding priority, determines the push authority of described ciphered program, or the selection operation according to user's triggering, determines described adding
The push authority of close program；
Described ciphered program is pushed to and there is the display device pushing authority and play out, wherein, described have push power
The number of the display device of limit is less than or equal to described push higher limit.
5. ciphered program as claimed in claim 4 copy-right protection method it is characterised in that described according to the described push upper limit
Value, described ciphered program is pushed to the step that the other display devices that can push play out and also includes：
If television set currently supports that the number of the display device pushing is less than or equal to described push higher limit, by described encryption
Program push is currently supported, to television set, the display device pushing and is played out.
6. a kind of apparatus for protecting copyright of ciphered program is it is characterised in that described device includes：
Acquisition module, for after the ciphered program of selection is decrypted and plays by television set, if detect user's triggering
Push instruction, then obtain the encryption information of described ciphered program；
Parsing module, for parsing described encryption information, obtains the push higher limit corresponding to described ciphered program；
Pushing module, for according to described push higher limit, described ciphered program being pushed to the other displays that can push and setting
Standby play out.
7. the apparatus for protecting copyright of ciphered program as claimed in claim 6 is it is characterised in that described acquisition module is used for：
URI data is obtained from the broadcast code flow of described ciphered program by preset CICAM module in television set；
Described parsing module is used for：
Parse described URI data, obtain the push higher limit corresponding to described ciphered program.
8. the apparatus for protecting copyright of ciphered program as claimed in claims 6 or 7 is it is characterised in that the version of described ciphered program
Power protection device also includes：
Add module, for being added to described ciphered program by the URI data comprising described ciphered program push higher limit in advance
Broadcast code flow in.
9. the apparatus for protecting copyright of ciphered program as claimed in claim 6 is it is characterised in that described pushing module includes：
Determining unit, if currently supporting for television set, the number of the display device pushing is more than described push higher limit, root
According to the corresponding priority of described display device, determine the push authority of described ciphered program, or the selection according to user's triggering
Operation, determines the push authority of described ciphered program；
Push unit, pushes the display device of authority and plays out for pushing to described ciphered program to have, wherein, institute
State the number with the display device pushing authority less than or equal to described push higher limit.
10. the apparatus for protecting copyright of ciphered program as claimed in claim 9 is it is characterised in that described pushing module is additionally operable to：
If television set currently supports that the number of the display device pushing is less than or equal to described push higher limit, by described encryption
Program push is currently supported, to television set, the display device pushing and is played out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611195142.3A CN106454410A (en) | 2016-12-20 | 2016-12-20 | Copyright protection method and device for encrypted program |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611195142.3A CN106454410A (en) | 2016-12-20 | 2016-12-20 | Copyright protection method and device for encrypted program |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106454410A true CN106454410A (en) | 2017-02-22 |
Family
ID=58215257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611195142.3A Pending CN106454410A (en) | 2016-12-20 | 2016-12-20 | Copyright protection method and device for encrypted program |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106454410A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108965991A (en) * | 2018-07-27 | 2018-12-07 | 深圳Tcl新技术有限公司 | Verification method and system, terminal device, the storage medium of program ordering state |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1762125A (en) * | 2004-01-15 | 2006-04-19 | 索尼株式会社 | Information communicating system, transmitting apparatus, transmitting method, and computer program |
| CN101547026A (en) * | 2009-01-16 | 2009-09-30 | 宇龙计算机通信科技(深圳)有限公司 | Mobile terminal and system and method for sharing and downloading data of same |
| CN102843283A (en) * | 2011-06-23 | 2012-12-26 | 中兴通讯股份有限公司 | Method and device for data forwarding protection |
| CN102957961A (en) * | 2012-12-04 | 2013-03-06 | 青岛海信宽带多媒体技术有限公司 | Method and device for sharing encrypted digital television programs and digital television receiver |
| CN103024523A (en) * | 2012-12-07 | 2013-04-03 | 康佳集团股份有限公司 | Method and system for sharing television programs based on set top box (STB) |
| CN103024475A (en) * | 2012-12-21 | 2013-04-03 | 深圳市九洲电器有限公司 | Method and system of recording and authorization playing of television programs |
| CN103338186A (en) * | 2013-06-05 | 2013-10-02 | 华为技术有限公司 | A content sharing method and an apparatus |
| CN103596052A (en) * | 2012-08-15 | 2014-02-19 | 鸿富锦精密工业（深圳）有限公司 | System and method for sharing digital television program |
| CN104703029A (en) * | 2015-02-06 | 2015-06-10 | 深圳市三峰光电科技有限公司 | Digital television program stream sharing method, device, terminal and system |
| CN104796762A (en) * | 2014-01-22 | 2015-07-22 | 国家广播电影电视总局广播科学研究院 | Digital TV program content cross-terminal simulcasting method |
| CN105163136A (en) * | 2015-09-25 | 2015-12-16 | 北京奇艺世纪科技有限公司 | Method and device for providing video file in P2P mode |
| CN106022009A (en) * | 2016-05-06 | 2016-10-12 | 腾讯科技（深圳）有限公司 | Media information sharing processing method and device |
-
2016
- 2016-12-20 CN CN201611195142.3A patent/CN106454410A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1762125A (en) * | 2004-01-15 | 2006-04-19 | 索尼株式会社 | Information communicating system, transmitting apparatus, transmitting method, and computer program |
| CN101547026A (en) * | 2009-01-16 | 2009-09-30 | 宇龙计算机通信科技(深圳)有限公司 | Mobile terminal and system and method for sharing and downloading data of same |
| CN102843283A (en) * | 2011-06-23 | 2012-12-26 | 中兴通讯股份有限公司 | Method and device for data forwarding protection |
| CN103596052A (en) * | 2012-08-15 | 2014-02-19 | 鸿富锦精密工业（深圳）有限公司 | System and method for sharing digital television program |
| CN102957961A (en) * | 2012-12-04 | 2013-03-06 | 青岛海信宽带多媒体技术有限公司 | Method and device for sharing encrypted digital television programs and digital television receiver |
| CN103024523A (en) * | 2012-12-07 | 2013-04-03 | 康佳集团股份有限公司 | Method and system for sharing television programs based on set top box (STB) |
| CN103024475A (en) * | 2012-12-21 | 2013-04-03 | 深圳市九洲电器有限公司 | Method and system of recording and authorization playing of television programs |
| CN103338186A (en) * | 2013-06-05 | 2013-10-02 | 华为技术有限公司 | A content sharing method and an apparatus |
| CN104796762A (en) * | 2014-01-22 | 2015-07-22 | 国家广播电影电视总局广播科学研究院 | Digital TV program content cross-terminal simulcasting method |
| CN104703029A (en) * | 2015-02-06 | 2015-06-10 | 深圳市三峰光电科技有限公司 | Digital television program stream sharing method, device, terminal and system |
| CN105163136A (en) * | 2015-09-25 | 2015-12-16 | 北京奇艺世纪科技有限公司 | Method and device for providing video file in P2P mode |
| CN106022009A (en) * | 2016-05-06 | 2016-10-12 | 腾讯科技（深圳）有限公司 | Media information sharing processing method and device |
Non-Patent Citations (1)
| Title |
|---|
| 王坦编著.: "卫星电视接收机种类", 《家用数字卫星电视接收与维修》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108965991A (en) * | 2018-07-27 | 2018-12-07 | 深圳Tcl新技术有限公司 | Verification method and system, terminal device, the storage medium of program ordering state |
| CN108965991B (en) * | 2018-07-27 | 2022-01-04 | 深圳Tcl新技术有限公司 | Program ordering state verification method and system, terminal device and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101352041B (en) | Systems and methods for managing a status change of a multimedia asset in multimedia delivery systems | |
| EP2944051B1 (en) | Authorizing devices based on identifying content distributor | |
| US8387084B1 (en) | Systems and methods for detecting unauthorized use of a user equipment device | |
| US9992540B2 (en) | Metadata system for real-time updates to electronic program guides | |
| CN103702171B (en) | Method for downloading video stream and electronic equipment | |
| US20170127151A1 (en) | Method and Device for Protecting Video Digital Copyrights | |
| CN102568073B (en) | A kind of method realized by controllable device | |
| WO2011123187A1 (en) | Receiver and method for reporting the usage of advanced television services | |
| CN103686414A (en) | Network video playing method and device | |
| CN103024475B (en) | The recording of TV programme and authorize player method and system | |
| CN109120963B (en) | Split screen display method, storage medium and system based on single display screen | |
| CN106534053A (en) | Authority control method of media file, server and equipment | |
| US8875206B2 (en) | Method and system for securely providing content to a portable media player device | |
| US20080118063A1 (en) | Method and system for enabling transfer of content between a storage device and a portable media player device | |
| US9549217B2 (en) | Notification controls for television viewing | |
| CN108182030B (en) | Player control hiding method and device | |
| CN106454410A (en) | Copyright protection method and device for encrypted program | |
| CN109076126B (en) | Permission updating method and terminal equipment | |
| CN103024606B (en) | The method and apparatus of expanded application is added in network video player | |
| US20080120347A1 (en) | Method and system for updating file segments of content on a portable media player device | |
| CN105323626B (en) | Video program play method and device | |
| CN1997145B (en) | Template replacement method, system and device | |
| US20080118231A1 (en) | Method and system for providing content to a portable media player device and maintaining licensing rights | |
| US20130104163A1 (en) | Encryption method for television service of mobile terminal, mobile terminal and server | |
| CN102404636A (en) | Digital set top box program management method and digital set top box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |