CN105787824A - Intelligent home theatre management system and user terminal - Google Patents
Intelligent home theatre management system and user terminal Download PDFInfo
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- 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
- H04N21/24—Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth, upstream requests
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- 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, manipulating MPEG-4 scene graphs
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- 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
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- 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
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- 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
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Abstract
The invention discloses an intelligent home theatre management system and a user terminal. The system comprises a home digital film making unit, a home digital film distributing unit, a home digital film licensing unit, and a home digital film counting unit, wherein the home digital film making unit is used for making home digital film data packets or copies from the film content based on a preset home program making rule; the home digital film distributing unit is used for distributing a target home digital film data packet or a copy to the user terminal via a program distributor after a film seeing request message carrying the user terminal information sent by a program operator is received; the home digital film licensing unit is used for generating a KDM licensing key after the film seeing request message carrying the user terminal information sent by the program operator is received and sending the KDM licensing key to the user terminal via the program operator; and the home digital film counting unit is used for counting the number of the film data packets or the number of the copies made by the home digital film making unit and seeing information corresponding to each film data packet or each copy, and sending the counted information to a preset box office management interface.
Description
Technical field
The present invention relates to digital cinema technology field, be specifically related to a kind of Intelligent home theater management system and user terminal.
Background technology
Fast development recently as digital cinema technology, the hardware cost of digital movie shooting and producing constantly reduces, China's motion picture production and issuing amount are also continuously increased, but be subject to movie theatre row and reflect working days and screen number quantitative limitation, there are about every year half obtained put on show license film do not have to enter cinema projection, it is impossible to produce box-office income.
In the middle of this half film of theater, have again greatly film due to attendance not good, substantially showing in several days very short times and will be removed by movie theatre.Under the film that reflects be not without commercial value, not can not produce box office, but the impact shown due to new film, phase overlap shown by multi-section film, custom and movie theatre distributed number etc. the various factors of spectators' movie theatre viewing have impact on film gear cycle and box-office income.So these films when box-office income is not good, can only find other outlet.The multimedia projection power that a lot of such films all can be weighed with the Internet by selling the broadcast projection of TV obtains other income, thus making up investment loss.
But be at present the broadcast projection power of TV or the multimedia projection power of the Internet is all undertaken by the disposable mode bought out, producer is only by the disposable sale both copyrights of price of a professional etiquette or estimation.After buying out, it is all unrelated with producer that this film produces how many income, certainly also unrelated with film market, because these incomes will not be added up into box office, the whole nation.
Additionally, surging developing state due to the Internet in recent years, the multimedia projection time point of the Internet is constantly in advance, constantly show the working days at extruding film at movie theatre, even the Internet projection time of some film synchronizes with the show time of film, has thus impacted the income of box office receipts further.
Summary of the invention
In view of the above problems, the present invention proposes and overcomes the problems referred to above or solve a kind of Intelligent home theater management system and the user terminal of the problems referred to above at least in part.
For this purpose it is proposed, the present invention proposes a kind of Intelligent home theater management system, including: family digital film making unit, family digital film distribution unit, family digital film granted unit and family digital film statistic unit；
Described family digital film making unit, for making rule based on default home program, is made as family digital cinematic data bag or copy by the movie contents that movie distributor provides；
Described family digital film distribution unit, for after receiving the viewing request message carrying user terminal information and film information that program operator sends, target household digital movie data bag or copy are distributed to program distribution business, so that target household digital movie data bag or copy are distributed to user terminal by program distribution business；Wherein, target household digital movie data bag or copy are the family digital cinematic data bag or copy that described film information is corresponding；
Described family digital film granted unit, for, after receiving the viewing request message carrying user terminal information and film information that program operator sends, based on described user terminal information, generating key transmission message KDM authorization key；By program operator, described KDM authorization key is sent to user terminal；
Described family digital film statistic unit, for adding up the cinematic data bag of described family digital film making unit making or copying number and each cinematic data bag or copy the viewing information of corresponding user terminal, obtain statistical information, and statistical information is sent to movie distributor corresponding to each film and default box office receipts management interface.
Optionally, described system also includes:
User terminal registering unit, for after receiving the login request message carrying user terminal information that user terminal sends, according to described user terminal information, the legitimacy of certification user terminal, and after determining that user terminal is legal, generate the public private key pair of user terminal, and sign public key certificate；After signature public key certificate, by family digital film granted unit, described public key certificate and private key are cryptographically sent to user terminal, so that described public key certificate and private key are write the security of system district pre-set by user terminal, it is achieved user terminal is registered.
Optionally, described family digital film making unit, for making rule based on default home program, the movie contents that movie distributor provides is compressed coding, information after compressed encoding is encrypted, information after encryption is packaged packing, obtains family digital cinematic data bag or copy.
Optionally, described family digital film making unit, for making rule based on default home program, adopt advanced video coding H.264/AVC and/or H.265/HEVC the movie contents that movie distributor provides is compressed coding by efficient video coding；Information after compressed encoding is encrypted by the Advanced Encryption Standard AES encryption rule adopting cipher block chaining CBC pattern；Based on SMPTE standard, adopt MXF MXF and/or expandable mark language XML that the information after encryption is packaged packing, obtain family digital cinematic data bag or copy.
Second aspect, the present invention also proposes a kind of user terminal, including:
Transmitting element, for sending the viewing request message carrying user terminal information and film information to program operator；
First receives unit, for, after described transmitting element sends described viewing request message, receiving the target household digital movie data bag of program distribution business distribution or be copied and stored in the data storage area that user terminal pre-sets；Wherein, described target household digital movie data bag or copy are the family digital cinematic data bag or copy that described film information is corresponding；
Second receives unit, is used for after described transmitting element sends described viewing request message, and the key that reception program operator sends transmits message KDM authorization key and is stored in the security of system district that user terminal pre-sets；Wherein, described KDM authorization key is the KDM authorization key generated based on user terminal information；
Processing unit, for based on the described target household digital movie data bag of storage in described data storage area and security of system district or copy, described KDM authorization key and the private key that prestores, obtain target household digital movie data bag or movie contents corresponding to copy；
Broadcast unit, is used for playing described movie contents.
Optionally, described user terminal also includes:
Registering unit, for sending the login request message carrying user terminal information to family digital film granted unit；Receive public key certificate and private key that family digital film granted unit sends, and described public key certificate and private key are write the security of system district pre-set, it is achieved user terminal is registered.
Compared to prior art; Intelligent home theater provided by the invention management system and user terminal; by setting up family digital motion picture projection quality and the copyright protection of specification between user terminal, program operator, program distribution business, movie distributor; achieve the management of Intelligent home theater; provide a kind of novel film operation mode, reduce each side's economic loss.
Accompanying drawing explanation
A kind of Intelligent home theater management system construction drawing that Fig. 1 provides for first embodiment of the invention；
A kind of user terminal structure figure that Fig. 2 provides for second embodiment of the invention.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is explicitly described, it is clear that, described embodiment is a part of embodiment of the present invention, rather than whole embodiments.
As it is shown in figure 1, the open a kind of Intelligent home theater management system of the present embodiment, it may include with lower unit: family digital film making unit 11, family digital film distribution unit 12, family digital film granted unit 13 and family digital film statistic unit 14.
Described family digital film making unit 11, for making rule based on default home program, is made as family digital cinematic data bag or copy by the movie contents that movie distributor 15 provides.
In the present embodiment, movie contents can be film original audio video data or digital movie release packet DCP.Certainly, if movie contents is DCP, then first based on preset rules, DCP should be unpacked, decipher and decode operation, to obtain film original audio video data.
Described family digital film distribution unit 12, for after receiving the viewing request message carrying user terminal 17 information and film information that program operator 16 sends, target household digital movie data bag or copy are distributed to program distribution business 18, so that target household digital movie data bag or copy are distributed to user terminal 17 by program distribution business 18；Wherein, target household digital movie data bag or copy are the family digital cinematic data bag or copy that described film information is corresponding.
In the present embodiment, film information can be movie name.User terminal 17 is the user terminal of registered certification in Intelligent home theater management system.
Described family digital film granted unit 13, for, after receiving the viewing request message carrying user terminal 17 information and film information that program operator 16 sends, based on described user terminal 17 information, generating key transmission message KDM authorization key；By program operator 16, described KDM authorization key is sent to user terminal 17.
In the present embodiment, program distribution business 18 and program operator 16 can be same.
Described family digital film statistic unit 14, for adding up the cinematic data bag of described family digital film making unit 11 making or copying number and each cinematic data bag or copy the viewing information of corresponding user terminal, obtain statistical information, and statistical information is sent to movie distributor corresponding to each film 15 and the box office receipts management interface 19 preset.
In the present embodiment, the viewing information of user terminal includes the number of user terminal and/or the viewing expense of each user terminal payment.
In the present embodiment, box office receipts management interface 19 can be provided by statistical management department.After statistical management department obtains statistical information by box office receipts management interface 19, the viewing expense in statistical information can be included in the statistics of box office, the whole nation.
Special host-host protocol and interface can be formulated between Intelligent home theater management system and program distribution business 18, program operator 16, movie distributor 15, to improve transmission reliability disclosed in the present embodiment.
In the present embodiment, network can be satellite network, the Internet, wireless network, cable television network etc..User terminal can be projector, intelligent television or other intelligent terminal (such as the portable equipment such as smart mobile phone, notebook computer).
Intelligent home theater management system disclosed in the present embodiment; by setting up family digital motion picture projection quality and the copyright protection of specification between user terminal, program operator, program distribution business, movie distributor; achieve the management of Intelligent home theater; provide a kind of novel film operation mode, reduce each side's economic loss.
Further, Intelligent home theater management system disclosed in the present embodiment, suitable in family digital motion picture projection form, program making, program encodes, content is distributed, encryption authorization, the research of projection management technique and standard formulation, set up family digital motion picture projection quality and the copyright protection technology of specification, develop production domesticization family digital motion picture projection terminal, form family digital movie system Integration ofTechnology solution, build and there is the making of family digital film distributor version, networking content is distributed, customize play empowerment management, copyright safety is supervised, the Intelligent home theater operating service management platform of the functions such as box office statistics supervision, after carrying out film, the projection scale operation of box office family is demonstrated, build a new generation's full industrial chain service system of high-quality family digital film and operation mode.
In a specific example, described system also includes in Fig. 1 unshowned: user terminal registering unit 10.
User terminal registering unit 10, for after receiving the login request message carrying user terminal 17 information that user terminal 17 sends, according to described user terminal 17 information, the legitimacy of certification user terminal 17, and after determining that user terminal 17 is legal, generate the public private key pair of user terminal 17, and sign public key certificate；After signature public key certificate, by family digital film granted unit 13, described public key certificate and private key are cryptographically sent to user terminal 17, so that described public key certificate and private key are write the security of system district pre-set by user terminal 17, it is achieved user terminal is registered.
In a specific example, family digital film making unit 11 shown in Fig. 1, for making rule based on default home program, the movie contents that movie distributor provides is compressed coding, information after compressed encoding is encrypted, information after encryption is packaged packing, obtains family digital cinematic data bag or copy.
In a specific example, family digital film making unit 11 shown in Fig. 1, for making rule based on default home program, adopt advanced video coding H.264/AVC and/or H.265/HEVC the movie contents that movie distributor provides is compressed coding by efficient video coding；Information after compressed encoding is encrypted by the Advanced Encryption Standard AES encryption rule adopting cipher block chaining CBC pattern, and key length adopts 128；Based on SMPTE standard, adopt MXF MXF and/or expandable mark language XML that the information after encryption is packaged packing, obtain family digital cinematic data bag or copy.
In the present embodiment, the video quality of family digital film requires far above the Internet viewing level in the general meaning, at least to reach the picture quality effect of blue light, and sound supports 5.1 sound channels.
In the present embodiment, H.264/AVC encoder bit rate is 20Mbps, and H.265/HEVC during coding, code check can somewhat reduce.
Based on Intelligent home theater management system disclosed in above-described embodiment, it is known that in Intelligent home theater operating service management architecture, Intelligent home theater operating service management platform needs terminal unit to be managed and safety certification.In film watching process, by using the security protection technology such as KDM authority, software and hardware private key that the motion pictures content play on the terminal device is protected.
Whole architectural framework needs build a set of CA based on PKI (PKIX) (authentication center) certificate issued system, it is therefore an objective to first structure terminal unit is legal, digital cinema content is encrypted, the foundation for security of key authorization.By CA (authentication center) system built, on the one hand device private is safely stored in terminal unit, in operating service management platform, device certificate is registered on the one hand, thus the private key one_to_one corresponding that ensure that in the PKI of operating service management platform and terminal unit, define the foundation for security of key authorization.
In terminal unit use procedure, before user watches family digital film first, need terminal unit is carried out safety certification, usual terminal projection equipment can when user clicks home theater playing module, by the Internet, terminal device information reported to Intelligent home theater operating service management platform, and carry out networking certification to this platform.In verification process, platform first passes through the reporting information of equipment and equipment identities is verified confirming the legitimacy of equipment；After device authentication is legal, platform automatically generates the RSA public private key pair of this terminal unit again, signs public key certificate simultaneously；After certificate has been signed, platform can in an encrypted form, by the public key certificate of this equipment and private key teletransmission to terminal unit；Terminal unit is again by disposable to the private key of this equipment received and the certificate security of system region that automatically writes, and to platform feedback write result, is finally completed mandate and the registration of equipment.
In Intelligent home theater operating service management architecture; require that terminal unit to utilize the safety information isolation technology of software and hardware that private key is protected; by the running environment of system being divide into security context and conventional environment two parts on software and hardware; when only current system running environment is security context, just can access all resources；If current system running environment is conventional environment, then can only access non-security resource.
After terminal unit has been registered, Intelligent home theater operating service management platform is automatically submitted in the film request that user can want viewing by the Internet, platform then dispatches family digital film distribution function and family digital film authorization function respectively, film transmission user seen by distribution function is to the memory space of terminal unit, it is that this user automatically generates a KDM mandate for watching this film by authorization function, and is transmitted and store the security of system region of terminal unit.
In the safety zone of terminal unit, system can utilize the film encryption file of private key, KDM mandate and reading to carry out content deciphering, and the content after deciphering exports decoding chip, and then display unit is arrived in output again.Private key and KDM in this process authorize and can only use in the deciphering of security of system region, also only use in safety zone including content key, and user and device fabrication side are unable to obtain content protection keys
As in figure 2 it is shown, the open a kind of user terminal of the present embodiment, it may include with lower unit:
Transmitting element 21, for sending the viewing request message carrying user terminal information and film information to program operator；
First receives unit 22, for, after described transmitting element 21 sends described viewing request message, receiving the target household digital movie data bag of program distribution business distribution or be copied and stored in the data storage area that user terminal pre-sets；Wherein, described target household digital movie data bag or copy are the family digital cinematic data bag or copy that described film information is corresponding；
Second receives unit 23, for, after described transmitting element 21 sends described viewing request message, receiving the key transmission message KDM authorization key of program operator transmission and be stored in the security of system district that user terminal pre-sets；Wherein, described KDM authorization key is the KDM authorization key generated based on user terminal information；
Processing unit 24, for based on the described target household digital movie data bag of storage in described data storage area and security of system district or copy, described KDM authorization key and the private key that prestores, obtain target household digital movie data bag or movie contents corresponding to copy；
Broadcast unit 25, is used for playing described movie contents.
It should be noted that in the present embodiment, " first " is used merely to " second " separate identical name region, rather than implies the relation between these titles or order.
In a specific example, described user terminal also includes the unshowned registering unit 20 of Fig. 2, for sending the login request message carrying user terminal information to family digital film granted unit 13；Receive public key certificate and private key that family digital film granted unit 13 sends, and described public key certificate and private key are write the security of system district pre-set, it is achieved user terminal is registered.
Based on user terminal disclosed in above-described embodiment, in known Intelligent home theater operating service management architecture, projection terminal unit contains three aspects, respectively: family digital projection all-in-one, the intelligent television containing home theater playing function, the various intelligent terminal containing home theater playing function.
In intelligent TV set, due in recent years, along with fast developments such as Internet technology, chip technology, Display Technique and software engineerings, intelligent television is a dark horse and is entered Rapid development stage, revolutionizes concept and the general layout of traditional tv.TV giant-screen, 3D, ultra high-definition, high frame per second are that digital movie is watched on TV and provided prerequisite；Intelligent television chip is generally configured with high performance embedded CPU, has the hardware decoding capability to main flow audio frequency and video form (comprise H.264 and H.265), thus the chip-scale at hardware provides technical guarantee for playing digital movie；The programmable read only memory of intelligent television chip is sufficiently large, generally at more than 8GB, this is enough to the unpacking of digital movie, deciphers function and be implanted directly in TV chip, so that television manufacturer has been simultaneously embedded in movie function what do not increase any hardware cost, finally have an opportunity all of, colony is very large, be even sold to overseas Intelligent television terminal and become family digital movie terminal.
It will be understood by those skilled in the art that and each unit in embodiment can be combined into a unit, and multiple subelement can be put them in addition.Except at least some in such feature and/or process or unit is mutually exclusive part, it is possible to adopt any combination that all processes or the unit of all features disclosed in this specification and so disclosed any method or equipment are combined.Unless expressly stated otherwise, each feature disclosed in this specification can be replaced by the alternative features providing purpose identical, equivalent or similar.
Those skilled in the art it will be appreciated that, although embodiments more described herein include some feature included in other embodiments rather than further feature, but the combination of the feature of different embodiment means to be within the scope of the present invention and form different embodiments.
It will be understood by those skilled in the art that each unit in embodiment can realize with hardware, or realize with the software module run on one or more processor, or realize with their combination.It will be understood by those of skill in the art that the some or all functions that microprocessor or digital signal processor (DSP) can be used in practice to realize some or all parts according to embodiments of the present invention.The present invention is also implemented as part or all the equipment for performing method as described herein or device program (such as, computer program and computer program).
Although being described in conjunction with the accompanying embodiments of the present invention, but those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, and such amendment and modification each fall within the scope being defined by the appended claims.
Claims (6)
1. an Intelligent home theater management system, it is characterised in that including: family digital film making unit, family digital film distribution unit, family digital film granted unit and family digital film statistic unit；
Described family digital film making unit, for making rule based on default home program, is made as family digital cinematic data bag or copy by the movie contents that movie distributor provides；
Described family digital film distribution unit, for after receiving the viewing request message carrying user terminal information and film information that program operator sends, target household digital movie data bag or copy are distributed to program distribution business, so that target household digital movie data bag or copy are distributed to user terminal by program distribution business；Wherein, target household digital movie data bag or copy are the family digital cinematic data bag or copy that described film information is corresponding；
Described family digital film granted unit, for, after receiving the viewing request message carrying user terminal information and film information that program operator sends, based on described user terminal information, generating key transmission message KDM authorization key；By program operator, described KDM authorization key is sent to user terminal；
Described family digital film statistic unit, for adding up the cinematic data bag of described family digital film making unit making or copying number and each cinematic data bag or copy the viewing information of corresponding user terminal, obtain statistical information, and statistical information is sent to movie distributor corresponding to each film and default box office receipts management interface.
2. system according to claim 1, it is characterised in that described system also includes:
User terminal registering unit, for after receiving the login request message carrying user terminal information that user terminal sends, according to described user terminal information, the legitimacy of certification user terminal, and after determining that user terminal is legal, generate the public private key pair of user terminal, and sign public key certificate；After signature public key certificate, by family digital film granted unit, described public key certificate and private key are cryptographically sent to user terminal, so that described public key certificate and private key are write the security of system district pre-set by user terminal, it is achieved user terminal is registered.
3. system according to claim 1, it is characterised in that
Described family digital film making unit, for making rule based on default home program, the movie contents that movie distributor provides is compressed coding, the information after compressed encoding is encrypted, information after encryption is packaged packing, obtains family digital cinematic data bag or copy.
4. system according to claim 3, it is characterised in that
H.264/AVC described family digital film making unit, for making rule based on default home program, adopt advanced video coding and/or H.265/HEVC the movie contents that movie distributor provides be compressed coding by efficient video coding；Information after compressed encoding is encrypted by the Advanced Encryption Standard AES encryption rule adopting cipher block chaining CBC pattern；Based on SMPTE standard, adopt MXF MXF and/or expandable mark language XML that the information after encryption is packaged packing, obtain family digital cinematic data bag or copy.
5. a user terminal, it is characterised in that including:
Transmitting element, for sending the viewing request message carrying user terminal information and film information to program operator；
First receives unit, for, after described transmitting element sends described viewing request message, receiving the target household digital movie data bag of program distribution business distribution or be copied and stored in the data storage area that user terminal pre-sets；Wherein, described target household digital movie data bag or copy are the family digital cinematic data bag or copy that described film information is corresponding；
Second receives unit, is used for after described transmitting element sends described viewing request message, and the key that reception program operator sends transmits message KDM authorization key and is stored in the security of system district that user terminal pre-sets；Wherein, described KDM authorization key is the KDM authorization key generated based on user terminal information；
Processing unit, for based on the described target household digital movie data bag of storage in described data storage area and security of system district or copy, described KDM authorization key and the private key that prestores, obtain target household digital movie data bag or movie contents corresponding to copy；
Broadcast unit, is used for playing described movie contents.
6. user terminal according to claim 5, it is characterised in that described user terminal also includes:
Registering unit, for sending the login request message carrying user terminal information to family digital film granted unit；Receive public key certificate and private key that family digital film granted unit sends, and described public key certificate and private key are write the security of system district pre-set, it is achieved user terminal is registered.
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| CN106507135A (en) * | 2016-10-28 | 2017-03-15 | 上海文广科技（集团）有限公司 | The order system and booking method of two G-film G cinemas |
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