CN105245944A - DVB (Digital Video Broadcasting)-based multi-terminal program playing method and system, set top box and mobile terminal - Google Patents
DVB (Digital Video Broadcasting)-based multi-terminal program playing method and system, set top box and mobile terminal Download PDFInfo
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- CN105245944A CN105245944A CN201510634128.8A CN201510634128A CN105245944A CN 105245944 A CN105245944 A CN 105245944A CN 201510634128 A CN201510634128 A CN 201510634128A CN 105245944 A CN105245944 A CN 105245944A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—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
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4367—Establishing a secure communication between the client and a peripheral device or smart card
-
- 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
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/835—Generation of protective data, e.g. certificates
- H04N21/8352—Generation of protective data, e.g. certificates involving content or source identification data, e.g. Unique Material Identifier [UMID]
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention relates to the field of set top box applications, and discloses a DVB (Digital Video Broadcasting)-based multi-terminal program playing method and system, a set top box and a mobile terminal. The method comprises the following steps that: the set top box is connected to a local area network and broadcasts services which can be provided and an IP (Internet Protocol) address; the set top box receives a connection request from the mobile terminal; the set top box judges whether the request satisfies a preset condition or not, and makes responses respectively; the set top box receives a program list and an EPG (Electronic Program Guide) request from the mobile terminal and returns the request; the set top box receives a program playing request from the mobile terminal, wherein the request includes program ID information; the set top box enables a DVB module according to the program ID information and receives TS (Transport Stream) data of programs; and the set top box encrypts the TS data of the programs and transmits the encrypted TS data to the mobile terminal. A function of playing the programs on a plurality of mobile terminals is realized through a DVB set top box having a network function, so that the cost is saved for a user, and the user experience is improved.
Description
[technical field]
The present invention relates to set-top box application field, particularly relate to based on DVB multiple terminals program broadcasting method and system, Set Top Box and mobile terminal.
[background technology]
Along with the development and deeply of Digital Television, digital TV set-top box in the family popularity is more and more higher, and user is to the development of the demand of Set Top Box also continuous differentiation:
User constantly strengthens the demand of second Set Top Box in family.But operator then hesitates to move forward in the demand of second Set Top Box in family.On the one hand, user is unwilling to pay two parts of license fees in one family.On the other hand, operator faces the management of second box in family and the practical difficulty of hardware cost input increase.Existing way is the rating being realized second Set Top Box in family by child and parent card, the first, and need user or operator to purchase second Set Top Box and smart card.The second, for preventing second Set Top Box from flowing in other families, operator needs not timing to activate subcard by master card.
Along with the development of the mobile terminal headed by mobile phone, user is more and more stronger to the wish by the watching television programs by mobile terminal such as mobile phone, PDA.But the restriction of the conditions such as program source copyright, real-time, the network bandwidth is there is by Internet TV reception.
Due to the restriction of technical merit and hardware condition, mobile terminal cannot integrated set-top box field existing conditional access system (ConditionalAccessSystem, CAS) system descrambling, so, for ciphered program, general way is: 1. in set top box side by program decryption.2. the audio, video data after deciphering is sent to mobile terminal decoding to play.
Multiple terminals is play the program source of digital video broadcasting (DigitalVideoBroadcasting, DVB) Set Top Box, and the protection of programme content is the problem first needing to consider.If by comparatively simple technological means, namely can obtain the audio, video data after deciphering, then be equivalent to the cas system having cracked operator, this is the consequence that operator is unwilling to see.
[summary of the invention]
The technical problem to be solved in the present invention is realized at multi-mobile-terminal TV reception by a DVB Set Top Box with network function, in addition, for ciphered program, solves audio and video resources not by the problem of simple copy.
For solving the problems of the technologies described above, the invention provides following technical scheme.
First aspect, the invention provides a kind of based on DVB multiple terminals program broadcasting method, it is characterized in that, described method comprises:
Set Top Box is connected into local area network (LAN) and also broadcasts the service and IP address that can provide;
Described Set Top Box receives the connection request from mobile terminal, and described connection request comprises mobile terminal id information;
It is pre-conditioned that described Set Top Box judges whether described request meets:
When judging that described request does not meet pre-conditioned, described Set Top Box returns error code to described mobile terminal;
When judging that described request meets pre-conditioned, described Set Top Box generates threaded file and returns to described mobile terminal, described threaded file comprises the PKI of the RSA key centering of stochastic generation, makes described mobile terminal that described PKI can be used to connect described Set Top Box;
Described Set Top Box receives ask from the rendition list of mobile terminal and EPG and to return the rendition list and EPG to described mobile terminal;
Described Set Top Box receives the program playing request from mobile terminal, and described program playing request comprises program id information;
Described Set Top Box is opened DVB module according to described program id information and is received the TS data of described program;
Described Set Top Box is by the TS data encryption of described program and send to described mobile terminal.
In certain embodiments, describedly pre-conditionedly to comprise: allow that described mobile terminal connects, described mobile terminal connects total quantity and do not exceed the maximum quantity of permission and described mobile terminal does not connect at short notice in a large number.
Second aspect, the invention provides another kind of based on DVB multiple terminals program broadcasting method, it is characterized in that, described method comprises:
Mobile terminal is connected into local area network (LAN) and finds in local area network (LAN) the Set Top Box providing service;
Described mobile terminal sends the connection request comprising described mobile terminal id information to described Set Top Box, make described Set Top Box that described id information can be used to judge whether to meet pre-conditioned;
When judging that described request does not meet pre-conditioned, described mobile terminal receives the error code that described Set Top Box returns;
When judging that described request meets pre-conditioned, described mobile terminal receives the threaded file that described Set Top Box generates, described threaded file comprises the PKI of the RSA key centering of stochastic generation, makes described mobile terminal that described PKI can be used to connect described Set Top Box;
Described mobile terminal sends the rendition list and EPG request to described Set Top Box;
Described mobile terminal sends the program playing request comprising program id information to described Set Top Box;
Described mobile terminal receives the TS data of the encryption that described Set Top Box sends, and goes out the TS data of described encryption by decryption key decryption and store and play.
In certain embodiments, describedly pre-conditionedly to comprise: allow that described mobile terminal connects, described mobile terminal connects total quantity and do not exceed the maximum quantity of permission and described mobile terminal does not connect at short notice in a large number.
The third aspect, the invention provides a kind of based on DVB multiple terminals performance broadcasting system, it is characterized in that, described system comprises:
First link block, for being connected into local area network (LAN) by Set Top Box and broadcasting the service and IP address that described Set Top Box can provide;
First receiver module, for receiving the connection request from mobile terminal, described request comprises the id information of mobile terminal;
First judge module, pre-conditioned for judging whether described request meets;
First processing module, for do not meet when described request described pre-conditioned time, return error code give described mobile terminal; When described request meet described pre-conditioned time, generate threaded file and also return to described mobile terminal, described threaded file comprises the PKI of the RSA key centering of stochastic generation, makes described mobile terminal that described PKI can be used to connect described Set Top Box;
Second receiver module, asks for receiving from the rendition list of mobile terminal and EPG and returns request;
3rd receiver module, for receiving the program playing request from mobile terminal, described request comprises program id information;
Second processing module, for opening DVB module according to described program id information and receiving the TS data of described program;
First sending module, for sending to described mobile terminal by the TS data encryption of described program.
In certain embodiments, describedly pre-conditionedly to comprise: allow that described mobile terminal connects, described mobile terminal connects total quantity and do not exceed the maximum quantity of permission and described mobile terminal does not connect at short notice in a large number.
Fourth aspect, the invention provides a kind of Set Top Box, it is characterized in that, described Set Top Box comprise the above-mentioned third aspect based on DVB multiple terminals performance broadcasting system.
5th aspect, the invention provides another kind of based on DVB multiple terminals performance broadcasting system, it is characterized in that, described system comprises:
4th link block, for being connected into local area network (LAN) and finding in local area network (LAN) the Set Top Box providing service;
4th sending module, for sending the connection request comprising described mobile terminal id information to described Set Top Box, makes described Set Top Box that described id information can be used to judge whether to meet pre-conditioned;
4th judge module, pre-conditioned for judging whether described request meets;
4th processing module, for do not meet when described request described pre-conditioned time, described mobile terminal receives the error code that described Set Top Box returns; When described request meet described pre-conditioned time, described mobile terminal receives the threaded file that described Set Top Box generates, described threaded file comprises the PKI of the RSA key centering of stochastic generation, makes described mobile terminal that described PKI can be used to connect described Set Top Box;
5th sending module, for sending the rendition list and EPG request to described Set Top Box;
6th sending module, for sending the program playing request comprising program id information to described Set Top Box;
4th receiver module, for receiving the TS data of the encryption that described Set Top Box sends, and goes out the TS data of described encryption by decryption key decryption and stores and play.
In certain embodiments, describedly pre-conditionedly to comprise: allow that described mobile terminal connects, described mobile terminal connects total quantity and do not exceed the maximum quantity of permission and described mobile terminal does not connect at short notice in a large number.
6th aspect, the invention provides a kind of mobile terminal, it is characterized in that, described mobile terminal comprise above-mentioned 5th aspect based on DVB multiple terminals performance broadcasting system.
Beneficial effect of the present invention is the function being achieved broadcast program on some mobile terminals by a DVB Set Top Box with network function; on the one hand for user saves spending; on the other hand; improve the experience of user; and transmit program file by the mode of encrypting and decrypting; protect program file, make program file be no longer simple copy propagation, protect the interests of operator.
[accompanying drawing explanation]
Fig. 1 is the schematic diagram of a kind of implementation environment involved by the embodiment of the present invention;
Fig. 2 is a kind of flow chart based on DVB multiple terminals program broadcasting method that the embodiment of the present invention 1 provides;
Fig. 3 is the details flow chart of a kind of step S1032 based on DVB multiple terminals program broadcasting method that the embodiment of the present invention 1 provides;
Fig. 4 is the flow chart of the another kind that provides of the embodiment of the present invention 2 based on DVB multiple terminals program broadcasting method;
Fig. 5 is the information interaction flow chart under a kind of embody rule scene of providing of the embodiment of the present invention 3;
Fig. 6 is that the one that provides of the embodiment of the present invention 4 is based on DVB multiple terminals performance broadcasting system structured flowchart;
Fig. 7 is a kind of concrete structure block diagram based on DVB multiple terminals performance broadcasting system processing module 23 that the embodiment of the present invention 4 provides;
Fig. 8 is that the another kind that provides of the embodiment of the present invention 5 is based on DVB multiple terminals performance broadcasting system structured flowchart.
[embodiment]
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
In addition, if below in described each execution mode of the present invention involved technical characteristic do not form conflict each other and just can mutually combine.
As shown in Figure 1, show a kind of implementation environment involved by the embodiment of the present invention, this implementation environment comprises Set Top Box 100, mobile terminal 200.Set Top Box 100 is the DVB Set Top Box with network function, the described DVB Set Top Box with network function refers to and converts the external device of vision signal (such as AV, S-Video, component etc.) to for receiving DVB signal (DVB-S satellite with, DVB-C cable TV with two kinds) and being decoded, and the described DVB Set Top Box with network function comprises program request platform feature, live telecast function, local playing function, function of application etc.Mobile terminal 200 can be the smart machine of the Set Top Box, wearable device (Intelligent bracelet, intelligent watch, intelligent glasses etc.), education electronic equipment (point reader, Story machine etc.) and so on of such as mobile phone, panel computer, notebook, supporting television set, be preferably mobile phone, panel computer, notebook, it can be connected with Set Top Box 100 by cable network or wireless network, thus realize the object that sends request to Set Top Box 100, and the object of content that receiving set up box 100 sends.
Embodiment 1
As shown in Figure 2, embodiments provide a kind of based on DVB multiple terminals program broadcasting method, described method comprises:
S101, Set Top Box is connected into local area network (LAN) and also broadcasts the service and IP address that can provide.
Described Set Top Box is connected into after local area network (LAN) by UPnP (universalplugandplay by wi-fi or cable network, UPNP) in local area network (LAN), broadcast agreement (InternetProtocol, the IP) address interconnected between all services and network that described Set Top Box can provide.Described UPNP is a kind of architecture be connected with the common peer-to-peer network of smart machine (or instrument) for PC, especially in the family, UPNP is based on Internet standard and technology (such as TCP/IP, HTTP and XML), such equipment can be dynamically connected and collaborative work each other certainly, thus make network (especially home network) become possibility to more people.Described service comprises online request video, TV programme is live, local plays and installs various application programs etc.Described IP address is the logical address of described Set Top Box, is a kind of unified address format provided by IP agreement, defines the rule should observed when described Set Top Box communicates on the internet.
S102, described Set Top Box receives the connection request from mobile terminal, and described connection request comprises mobile terminal id information.
The connection request that described Set Top Box receives from mobile terminal is a kind of HTML (Hypertext Markup Language) (HyperTextTransferProtocol, HTTP) ask, does is the URL(uniform resource locator) (UniformResourceLocator, URL) of described connection request: http: // set-top box IP addresses/requiredconnect.html? uniqueId=" the unique ID of mobile terminal ".Wherein said " the unique ID of mobile terminal " is can the ID (as MAC Address) of this mobile device of uniquely tagged, be used for in the communicating of described Set Top Box, uniquely determine this mobile terminal, and afterwards the HTTP of each described mobile terminal and described Set Top Box mutual in, all carry this ID.
S103, it is pre-conditioned that described Set Top Box judges whether described request meets.
S1031, when judging that described request does not meet pre-conditioned, described Set Top Box returns error code to described mobile terminal.
It is pre-conditioned that first described Set Top Box judges after receiving connection request whether current set top box meets, describedly pre-conditionedly to comprise: allow that described mobile terminal connects, described mobile terminal connects total quantity and do not exceed the maximum quantity of permission and described mobile terminal does not connect (prevent from cracking hereinafter described AES-256 key by large data, thus breaking cryptographic keys system) at short notice in a large number.Described error code is returned by HTTP.
S1032, when judging that described request meets pre-conditioned, described Set Top Box generates threaded file and returns to described mobile terminal, and described threaded file comprises the PKI of the RSA key centering of stochastic generation, makes described mobile terminal that described PKI can be used to connect described Set Top Box.
As shown in Figure 3, it should be noted that, when judging that described request meets pre-conditioned, then also need to judge whether this mobile terminal connected, if do not connected, then on described Set Top Box display interface, eject dialog box, require user selects whether to agree to the connection of new mobile terminal, if user agrees to connect, described Set Top Box generates threaded file and returns to described mobile terminal, otherwise returns error code to described mobile terminal; If this mobile terminal once connected, then do not need user to confirm, described Set Top Box generates threaded file and returns to described mobile terminal.
Described threaded file comprises the PKI of the RSA key centering of stochastic generation, makes described mobile terminal that described PKI can be used to connect described Set Top Box.Described RSA is a kind of influential public key encryption algorithm, and it can resist up to the present known most cryptographic attacks, is recommended as public key data encryption standard by ISO.The PKI of the RSA key centering that described threaded file comprises is through Advanced Encryption Standard (advancedencryptionstandard, AES) return after-256 encryptions, wherein, the encryption key of described AES-256 and decruption key are embedded in described Set Top Box and described mobile terminal APP respectively.
S104, described Set Top Box receives ask from the rendition list of mobile terminal and EPG and to return the rendition list and EPG to described mobile terminal.
When after described mobile terminal authentication success, by HTTP to set-top box requests the rendition list and electronic program guides (ElectronicProgramGuide, EPG), described Set Top Box receives and asks and return request, and described mobile terminal is by the APP display program list on described mobile terminal and EPG.
S105, described Set Top Box receives the program playing request from mobile terminal, and described program playing request comprises program id information.
When user clicks the program needing viewing, namely sending program playing request to described Set Top Box, is described request sent by HTTP and connects string http: // set-top box IP addresses/playlist.m3u8? Program-ID=" the unique ID of program ".Wherein, described " the unique ID of program " is can the ID of this program of uniquely tagged, is used for the program watched required for receipt of subsequent user.Wherein playlist.m3u8 is dynamic code rate self adaptation (HTTPLiveStreaming, HLS) the rendition list file described in agreement, this documents describes the URL of multimedia file and the URL of attribute, cipher mode and Encryption key file and attribute.
S106, described Set Top Box is opened DVB module according to described program id information and is received the TS data of described program.
Described Set Top Box id information of program according to uniquely tagged opens DVB module, described DVB module is used for receiving the transmission class (TransportStream of this program, TS) data, it should be noted that, if this DVB program is by condition receiving system (ConditionalAccessSystem, CAS) scrambling, then first will receive the multimedia file data of this program again after described program descrambling.
S107, described Set Top Box is by the TS data encryption of described program and send to described mobile terminal.
The process of described TS data encryption is: the AES-128 double secret key that stochastic generation is 16; Use encryption keys TS file; By decruption key by being placed in key file after the encrypted private key of described RSA key centering; The URL of TS and the URL of key file is placed in playlist.m3u8 file.
TS data through encryption return to described mobile terminal by HTTP.
Embodiments provide a kind of based on DVB multiple terminals program broadcasting method; described method achieves the function of broadcast program on some mobile terminals by a DVB Set Top Box with network function; on the one hand for user saves spending; on the other hand; improve the experience of user, and transmit program file by the mode of encrypting and decrypting, protect program file; make program file be no longer simple copy propagation, protect the interests of operator.
Embodiment 2
As shown in Figure 4, embodiments provide another kind of based on DVB multiple terminals program broadcasting method, described method comprises:
S201, mobile terminal is connected into local area network (LAN) and finds in local area network (LAN) the Set Top Box providing service.
Described mobile terminal by wi-fi or cable network be connected to the same local area network (LAN) of described Set Top Box after, found in local area network (LAN) the Set Top Box that service can be provided by UPNP.
S202, described mobile terminal sends the connection request comprising described mobile terminal id information to described Set Top Box, make described Set Top Box that described id information can be used to judge whether to meet pre-conditioned.
Described mobile terminal sends connection request by HTTP to described Set Top Box, does is the URL(uniform resource locator) (UniformResourceLocator, URL) of described connection request: http: // set-top box IP addresses/requiredconnect.html? uniqueId=" the unique ID of mobile terminal ".Wherein said " the unique ID of mobile terminal " is can the ID (as MAC Address) of this mobile device of uniquely tagged, be used for in the communicating of described Set Top Box, uniquely determine this mobile terminal, and afterwards the HTTP of each described mobile terminal and described Set Top Box mutual in, all carry this ID.
S203, when judging that described request does not meet pre-conditioned, described mobile terminal receives the error code that described Set Top Box returns.
Describedly pre-conditionedly to comprise: allow that described mobile terminal connects, described mobile terminal connects total quantity and do not exceed the maximum quantity of permission and described mobile terminal does not connect at short notice in a large number.Described error code returns to described mobile terminal by HTTP.
S204, when judging that described request meets pre-conditioned, described mobile terminal receives the threaded file that described Set Top Box generates, and described threaded file comprises the PKI of the RSA key centering of stochastic generation, makes described mobile terminal that described PKI can be used to connect described Set Top Box.
It should be noted that, if it is pre-conditioned to judge that described request meets, then also need to judge whether this mobile terminal connected, if do not connected, then on described Set Top Box display interface, eject dialog box, require user selects whether to agree to the connection of new mobile terminal, if user agrees to connect, described mobile terminal receives the threaded file that described Set Top Box generates, otherwise returns error code to described mobile terminal; If this mobile terminal once connected, then do not need user to confirm, described mobile terminal receives the threaded file that described Set Top Box generates.
S205, described mobile terminal sends the rendition list and EPG request to described Set Top Box.
When after described mobile terminal authentication success, by HTTP to set-top box requests the rendition list and EPG, described Set Top Box receives and asks and return request, and described mobile terminal is by the APP display program list on described mobile terminal and EPG.
S206, described mobile terminal sends the program playing request comprising program id information to described Set Top Box.
When user clicks the program needing viewing, namely sending program playing request to described Set Top Box, is described request sent by HTTP and connects string http: // set-top box IP addresses/playlist.m3u8? Program-ID=" the unique ID of program ".Wherein, described " the unique ID of program " is can the ID of this program of uniquely tagged, is used for the program watched required for receipt of subsequent user.Wherein playlist.m3u8 is the rendition list file described in HLS protocol, this documents describes the URL of multimedia file and the URL of attribute, cipher mode and Encryption key file and attribute.
S207, described mobile terminal receives the TS data of the encryption that described Set Top Box sends, and goes out the TS data of described encryption by decryption key decryption and store and play.
Described TS data receive after opening DVB module by described program id information and obtain, and the process of described TS data deciphering is: the public key decryptions key file using described RSA key centering; The decruption key of described AES-128 cipher key pair is obtained from key file; By decruption key by being placed in key file after the encrypted private key of described RSA key centering; Use AES-128 decryption key decryption TS file.Decrypted TS data send to decoders decode to store and export broadcasting.
Embodiments provide a kind of based on DVB multiple terminals program broadcasting method; a Set Top Box during described method is connected by mobile terminal seeking consolidated network; by seeking service that described Set Top Box provides and obtaining service; achieve the function at multi-mobile-terminal broadcast program; on the one hand for user saves spending; on the other hand; improve the experience of user; and transmit program file by the mode of encrypting and decrypting; protect program file; make program file be no longer simple copy propagation, protect the interests of operator.
Embodiment 3
As shown in Figure 5, the information interaction flow process of the Set Top Box that provides of the embodiment of the present invention and mobile terminal is as follows:
Mobile terminal request verification process: broadcast by UPNP all services and IP address that described Set Top Box can provide in local area network (LAN) after described Set Top Box is connected into local area network (LAN) by wi-fi or cable network.Described mobile terminal by wi-fi or cable network be connected to the same local area network (LAN) of described Set Top Box after, found in local area network (LAN) the Set Top Box that service can be provided by UPNP.Described mobile terminal sends the connection request comprising described mobile terminal id information to described Set Top Box, make described Set Top Box that described id information can be used to judge whether to meet pre-conditioned.It is pre-conditioned that described Set Top Box judges whether described request meets, and when judging that described request does not meet pre-conditioned, described Set Top Box returns error code to described mobile terminal; When judging that described request meets pre-conditioned, then also need to judge whether this mobile terminal connected, if do not connected, then on described Set Top Box display interface, eject dialog box, require user selects whether to agree to the connection of new mobile terminal, if user agrees to connect, described Set Top Box generates threaded file and returns to described mobile terminal, otherwise returns error code to described mobile terminal; If this mobile terminal once connected, then do not need user to confirm, described Set Top Box generates threaded file and returns to described mobile terminal.
Mobile terminal request playing process: described mobile terminal sends the rendition list and EPG request to described Set Top Box, and described Set Top Box receives and asks and return request.Described mobile terminal sends the program playing request comprising program id information to described Set Top Box.Described Set Top Box receives the program playing request from mobile terminal, described request comprises program id information, described Set Top Box is opened DVB module according to described program id information and is received the TS data of described program, and described Set Top Box is by the TS data encryption of described program and send to described mobile terminal.Described mobile terminal receives the TS data of the encryption that described Set Top Box sends, and goes out the TS data of described encryption by decryption key decryption and store and play.
Embodiments provide the information interaction flowchart process of Set Top Box and mobile terminal, achieve a kind of method play based on the multiple terminals program of DVB, enriched the experience mode of user by watching television programs by mobile terminal.
Embodiment 4
As shown in Figure 6, the embodiment of the present invention provides a kind of based on DVB multiple terminals performance broadcasting system, and described system 200 comprises:
First link block 20, for being connected into local area network (LAN) by Set Top Box and broadcasting the service and IP address that described Set Top Box can provide;
First receiver module 21, for receiving the connection request from mobile terminal, described request comprises the id information of mobile terminal;
First judge module 22, pre-conditioned for judging whether described request meets;
First processing module 23, for do not meet when described request described pre-conditioned time, return error code give described mobile terminal; When described request meet described pre-conditioned time, generate threaded file and also return to described mobile terminal, described threaded file comprises the PKI of the RSA key centering of stochastic generation, makes described mobile terminal that described PKI can be used to connect described Set Top Box;
Second receiver module 24, asks for receiving from the rendition list of mobile terminal and EPG and returns request;
3rd receiver module 25, for receiving the program playing request from mobile terminal, described request comprises program id information;
Second processing module 26, for opening DVB module according to described program id information and receiving the TS data of described program;
First sending module 27, for sending to described mobile terminal by the TS data encryption of described program.
As shown in Figure 7, above-mentioned first processing module 23, when described request meet described pre-conditioned time, described processing module 23 also comprises:
Judge module 231, for judging whether described mobile terminal was connected;
Processing module 232, out-of-date for being connected when described mobile terminal, generate threaded file and also return to described mobile terminal, out-of-dately selected whether to connect by user when described mobile terminal is not connected;
Judge module 233, for judging whether user selects to connect;
Processing module 234, returning error code to described mobile terminal for selecting as user, generating threaded file when user selects to connect and returning to described mobile terminal when not connecting.
Embodiments provide a kind of based on DVB multiple terminals performance broadcasting system; described system achieves the function of broadcast program on some mobile terminals by a DVB Set Top Box with network function; on the one hand for user saves spending; on the other hand; improve the experience of user, and transmit program file by the mode of encrypting and decrypting, protect program file; make program file be no longer simple copy propagation, protect the interests of operator.
Embodiment 5
As shown in Figure 6, Figure 7, the embodiment of the present invention provides a kind of Set Top Box, described Set Top Box comprise described in embodiment 4 based on DVB multiple terminals performance broadcasting system.Concrete, described Set Top Box comprises:
First link block 20, for being connected into local area network (LAN) by Set Top Box and broadcasting the service and IP address that described Set Top Box can provide;
First receiver module 21, for receiving the connection request from mobile terminal, described request comprises the id information of mobile terminal;
First judge module 22, pre-conditioned for judging whether described request meets;
First processing module 23, for do not meet when described request described pre-conditioned time, return error code give described mobile terminal; When described request meet described pre-conditioned time, generate threaded file and also return to described mobile terminal, described threaded file comprises the PKI of the RSA key centering of stochastic generation, makes described mobile terminal that described PKI can be used to connect described Set Top Box;
Second receiver module 24, asks for receiving from the rendition list of mobile terminal and EPG and returns request;
3rd receiver module 25, for receiving the program playing request from mobile terminal, described request comprises program id information;
Second processing module 26, for opening DVB module according to described program id information and receiving the TS data of described program;
First sending module 27, for sending to described mobile terminal by the TS data encryption of described program.
Above-mentioned first processing module 23, when described request meet described pre-conditioned time, described processing module 23 also comprises:
Judge module 231, for judging whether described mobile terminal was connected;
Processing module 232, out-of-date for being connected when described mobile terminal, generate threaded file and also return to described mobile terminal, out-of-dately selected whether to connect by user when described mobile terminal is not connected;
Judge module 233, for judging whether user selects to connect;
Processing module 234, returning error code to described mobile terminal for selecting as user, generating threaded file when user selects to connect and returning to described mobile terminal when not connecting.
Embodiments provide a kind of Set Top Box; described Set Top Box is a DVB Set Top Box with network function; described Set Top Box achieves the function of broadcast program on some mobile terminals; on the one hand for user saves spending, on the other hand, improve the experience of user; and transmit program file by the mode of encrypting and decrypting; protect program file, make program file be no longer simple copy propagation, protect the interests of operator.
Embodiment 6
As shown in Figure 8, embodiments provide another kind of based on DVB multiple terminals performance broadcasting system, described system 300 comprises:
4th link block 30, for being connected into local area network (LAN) and finding in local area network (LAN) the Set Top Box providing service;
4th sending module 31, for sending the connection request comprising described mobile terminal id information to described Set Top Box, makes described Set Top Box that described id information can be used to judge whether to meet pre-conditioned;
4th judge module 32, pre-conditioned for judging whether described request meets;
4th processing module 33, for do not meet when described request described pre-conditioned time, described mobile terminal receives the error code that described Set Top Box returns; When described request meet described pre-conditioned time, described mobile terminal receives the threaded file that described Set Top Box generates, described threaded file comprises the PKI of the RSA key centering of stochastic generation, makes described mobile terminal that described PKI can be used to connect described Set Top Box;
5th sending module 34, for sending the rendition list and EPG request to described Set Top Box;
6th sending module 35, for sending the program playing request comprising program id information to described Set Top Box;
4th receiver module 36, for receiving the TS data of the encryption that described Set Top Box sends, and goes out the TS data of described encryption by decryption key decryption and stores and play.
Embodiments provide a kind of based on DVB multiple terminals performance broadcasting system; a Set Top Box during described system is connected by mobile terminal seeking consolidated network; by seeking service that described Set Top Box provides and obtaining service; achieve the function at multi-mobile-terminal broadcast program; on the one hand for user saves spending; on the other hand; improve the experience of user; and transmit program file by the mode of encrypting and decrypting; protect program file; make program file be no longer simple copy propagation, protect the interests of operator.
Embodiment 7
As shown in Figure 8, the embodiment of the present invention provides a kind of mobile terminal, described mobile terminal comprise described in embodiment 6 based on DVB multiple terminals performance broadcasting system.Concrete, described mobile terminal comprises:
4th link block 30, for being connected into local area network (LAN) and finding in local area network (LAN) the Set Top Box providing service;
4th sending module 31, for sending the connection request comprising described mobile terminal id information to described Set Top Box, makes described Set Top Box that described id information can be used to judge whether to meet pre-conditioned;
4th judge module 32, pre-conditioned for judging whether described request meets;
4th processing module 33, for do not meet when described request described pre-conditioned time, described mobile terminal receives the error code that described Set Top Box returns; When described request meet described pre-conditioned time, described mobile terminal receives the threaded file that described Set Top Box generates, described threaded file comprises the PKI of the RSA key centering of stochastic generation, makes described mobile terminal that described PKI can be used to connect described Set Top Box;
5th sending module 34, for sending the rendition list and EPG request to described Set Top Box;
6th sending module 35, for sending the program playing request comprising program id information to described Set Top Box;
4th receiver module 36, for receiving the TS data of the encryption that described Set Top Box sends, and goes out the TS data of described encryption by decryption key decryption and stores and play.
Embodiments provide a kind of mobile terminal; described mobile terminal is by finding a Set Top Box in consolidated network connection; by seeking service that described Set Top Box provides and obtaining service; achieve the function at described mobile terminal playing program; on the one hand for user saves spending; on the other hand; improve the experience of user; and transmit program file by the mode of encrypting and decrypting; protect program file; make program file be no longer simple copy propagation, protect the interests of operator.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. based on a DVB multiple terminals program broadcasting method, it is characterized in that, described method comprises:
Set Top Box is connected into local area network (LAN) and also broadcasts the service and IP address that can provide;
Described Set Top Box receives the connection request from mobile terminal, and described connection request comprises mobile terminal id information;
It is pre-conditioned that described Set Top Box judges whether described request meets:
When judging that described request does not meet pre-conditioned, described Set Top Box returns error code to described mobile terminal;
When judging that described request meets pre-conditioned, described Set Top Box generates threaded file and returns to described mobile terminal, described threaded file comprises the PKI of the RSA key centering of stochastic generation, makes described mobile terminal that described PKI can be used to connect described Set Top Box;
Described Set Top Box receives ask from the rendition list of mobile terminal and EPG and to return the rendition list and EPG to described mobile terminal;
Described Set Top Box receives the program playing request from mobile terminal, and described program playing request comprises program id information;
Described Set Top Box is opened DVB module according to described program id information and is received the TS data of described program;
Described Set Top Box is by the TS data encryption of described program and send to described mobile terminal.
2. as claimed in claim 1 based on DVB multiple terminals program broadcasting method, it is characterized in that, describedly pre-conditionedly to comprise: allow that described mobile terminal connects, described mobile terminal connects total quantity and do not exceed the maximum quantity of permission and described mobile terminal does not connect at short notice in a large number.
3. based on a DVB multiple terminals program broadcasting method, it is characterized in that, described method comprises:
Mobile terminal is connected into local area network (LAN) and finds in local area network (LAN) the Set Top Box providing service;
Described mobile terminal sends the connection request comprising described mobile terminal id information to described Set Top Box, make described Set Top Box that described id information can be used to judge whether to meet pre-conditioned;
When judging that described request does not meet pre-conditioned, described mobile terminal receives the error code that described Set Top Box returns;
When judging that described request meets pre-conditioned, described mobile terminal receives the threaded file that described Set Top Box generates, described threaded file comprises the PKI of the RSA key centering of stochastic generation, makes described mobile terminal that described PKI can be used to connect described Set Top Box;
Described mobile terminal sends the rendition list and EPG request to described Set Top Box;
Described mobile terminal sends the program playing request comprising program id information to described Set Top Box;
Described mobile terminal receives the TS data of the encryption that described Set Top Box sends, and goes out the TS data of described encryption by decryption key decryption and store and play.
4. as claimed in claim 3 based on DVB multiple terminals program broadcasting method, it is characterized in that, describedly pre-conditionedly to comprise: allow that described mobile terminal connects, described mobile terminal connects total quantity and do not exceed the maximum quantity of permission and described mobile terminal does not connect at short notice in a large number.
5. based on a DVB multiple terminals performance broadcasting system, it is characterized in that, described system comprises:
First link block, for being connected into local area network (LAN) by Set Top Box and broadcasting the service and IP address that described Set Top Box can provide;
First receiver module, for receiving the connection request from mobile terminal, described request comprises the id information of mobile terminal;
First judge module, pre-conditioned for judging whether described request meets;
First processing module, for do not meet when described request described pre-conditioned time, return error code give described mobile terminal; When described request meet described pre-conditioned time, generate threaded file and also return to described mobile terminal, described threaded file comprises the PKI of the RSA key centering of stochastic generation, makes described mobile terminal that described PKI can be used to connect described Set Top Box;
Second receiver module, asks for receiving from the rendition list of mobile terminal and EPG and returns request;
3rd receiver module, for receiving the program playing request from mobile terminal, described request comprises program id information;
Second processing module, for opening DVB module according to described program id information and receiving the TS data of described program;
First sending module, for sending to described mobile terminal by the TS data encryption of described program.
6. DVB multiple terminals as claimed in claim 5 performance broadcasting system, it is characterized in that, describedly pre-conditionedly to comprise: allow that described mobile terminal connects, described mobile terminal connects total quantity and do not exceed the maximum quantity of permission and described mobile terminal does not connect at short notice in a large number.
7. a Set Top Box, is characterized in that, described Set Top Box comprise described in claim 5 or 6 based on DVB multiple terminals performance broadcasting system.
8. based on a DVB multiple terminals performance broadcasting system, it is characterized in that, described system comprises:
4th link block, for being connected into local area network (LAN) and finding in local area network (LAN) the Set Top Box providing service;
4th sending module, for sending the connection request comprising described mobile terminal id information to described Set Top Box, makes described Set Top Box that described id information can be used to judge whether to meet pre-conditioned;
4th judge module, pre-conditioned for judging whether described request meets;
4th processing module, for do not meet when described request described pre-conditioned time, described mobile terminal receives the error code that described Set Top Box returns; When described request meet described pre-conditioned time, described mobile terminal receives the threaded file that described Set Top Box generates, described threaded file comprises the PKI of the RSA key centering of stochastic generation, makes described mobile terminal that described PKI can be used to connect described Set Top Box;
5th sending module, for sending the rendition list and EPG request to described Set Top Box;
6th sending module, for sending the program playing request comprising program id information to described Set Top Box;
4th receiver module, for receiving the TS data of the encryption that described Set Top Box sends, and goes out the TS data of described encryption by decryption key decryption and stores and play.
9. DVB multiple terminals as claimed in claim 8 performance broadcasting system, it is characterized in that, describedly pre-conditionedly to comprise: allow that described mobile terminal connects, described mobile terminal connects total quantity and do not exceed the maximum quantity of permission and described mobile terminal does not connect at short notice in a large number.
10. a mobile terminal, is characterized in that, described mobile terminal comprise described in claim 8 or 9 based on DVB multiple terminals performance broadcasting system.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510634128.8A CN105245944B (en) | 2015-09-29 | 2015-09-29 | Based on the multiple terminals DVB program broadcasting method and system, set-top box and mobile terminal |
| PCT/CN2016/098109 WO2017054620A1 (en) | 2015-09-29 | 2016-09-05 | Dvb-based multi-terminal program playing method and system, set top box and mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510634128.8A CN105245944B (en) | 2015-09-29 | 2015-09-29 | Based on the multiple terminals DVB program broadcasting method and system, set-top box and mobile terminal |
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| CN105245944A true CN105245944A (en) | 2016-01-13 |
| CN105245944B CN105245944B (en) | 2018-10-16 |
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| WO2017054620A1 (en) | 2017-04-06 |
| CN105245944B (en) | 2018-10-16 |
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