CN101478754B - Media file downloading method, apparatus and system based on copyright management - Google Patents
Media file downloading method, apparatus and system based on copyright management Download PDFInfo
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- CN101478754B CN101478754B CN200910003934XA CN200910003934A CN101478754B CN 101478754 B CN101478754 B CN 101478754B CN 200910003934X A CN200910003934X A CN 200910003934XA CN 200910003934 A CN200910003934 A CN 200910003934A CN 101478754 B CN101478754 B CN 101478754B
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Abstract
The invention relates to the communication field, aiming to solve the problem that the media files based on OMA and DRM can not be downloaded and used at the present mobile communication terminal which does not support browser function, in particular to provide a file downloading method and a system for mobile communication terminal, computers and media. The method comprises the following procedures: a computer is connected with a mobile communication terminal; the browser of the computer is used for confirming a download description file which will be downloaded, downloads media files from a corresponding download server according to the download description file and then transmits the media files to the mobile communication terminal for storage.
Description
Technical field
The present invention relates to the communications field, is a kind of media file downloading method based on copyright management, Apparatus and system concretely.
Background technology
Some middle and high end mobile phones have been supported Open Mobile Alliance digital copyright management (OMA DRM:Open Mobile Alliance Digital Rights Management) function at present.
OMA DRM has three kinds of protected modes, and is as follows:
(1) forward direction lock (FL:Forward Lock), media file encapsulate by a DRM head, and the DRM header does not comprise concrete authority restriction, to the use of media file without limits, does not still allow to transmit this media file to miscellaneous equipment; Because the problem that does not exist copyright to finish using is not so need to upgrade copyright.
(2) compound transmission (CD:Combined Delivery), media file is encapsulated by a DRM head, and the DRM header comprises corresponding copyright description.Use to this media file need be followed the copyright rule limits, consumes copyright simultaneously.Equally, do not allow to transmit this media file to miscellaneous equipment; After copyright is finished using, can not upgrade copyright; Can be loaded with the media file of copyright again down.
(3) download of transmission (SD:Separate Delivery) respectively, promptly media file is separately downloaded by secret key encryption and rights file, upgrades copyright etc., is above-mentioned handling process substantially all, specifically can be with reference to OMA DRM agreement.
Be illustrated in figure 1 as media file and rights file in the prior art and separately download the flow chart of (SD), in may further comprise the steps:
The inventor finds to have following problem at least in the prior art in realizing process of the present invention, browsing, downloading owing to media file, so and function such as purchase of copyright, renewal needs the support of the support OMA DRM of browser, needs wireless terminal to have the function of browser.Support in the prior art mobile phone of OMA DRM generally all integrated a browser, the related services such as carrying out browser, download of can surfing the Net.。For the wireless terminal that does not possess browser function, the media content on can't download network equally also just can't be supported OMA DRM protection.
Summary of the invention
Embodiments of the invention provide a kind of media file downloading method based on copyright management, Apparatus and system, are used for solving prior art can not be supported OMA DRM on the wireless terminal of not supporting browser function problem.
The embodiment of the invention provides a kind of media file downloading method based on copyright management, comprise, computer is connected with mobile communication terminal, by the definite download description document that will download of the browser of described computer, the browser of described computer receives downloaded files, described computer judges that the file that receives is to download description document or media file, if download description document, resolve described download description document, judge whether described download description document is legal, if legal then download description document from corresponding download server media file according to this, described computer sends described media file to described mobile communication terminal and stores.
The embodiment of the invention provides a kind of mobile communication terminal, comprising: receiving element is used for download description document and media file that receiving computer sends; Resolution unit is used to resolve described download description document; Transmitting element, whether the information in the download description document after resolving is returned to described computer legal to judge described download description document, and if legal then download description document from corresponding download server media file according to this.
The embodiment of the invention provides a kind of computer, comprises browser, processing module; Described browser downloads file, judge that the file that receives is to download description document or media file, if download description document, described processing module is resolved described download description document, judge whether described download description document is legal, if legal then control described browser to corresponding download server media file, and send described media file to mobile communication terminal according to described download description document.
The embodiment of the invention also provides a kind of media file download system based on copyright management, comprises mobile communication terminal, computer; Described mobile communication terminal is connected with described computer, described computer is used for controlling according to the user, call browser, downloads of media file corresponding download description document, receive downloaded files, judge that the file that receives is to download description document or media file, if download description document, resolve described download description document, judge whether described download description document is legal, if legally download described media file according to the content of downloading description document again, and send media file to mobile communication terminal, mobile communication terminal is used to store described media file.
The beneficial effect of the embodiment of the invention is, can make the mobile communication terminal downloads of media file of not supporting browser by the embodiment of the invention, and realizes that cost is low.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, does not constitute limitation of the invention.In the accompanying drawings:
Figure 1 shows that the media file download business process map that typically has copyright information in the prior art;
Figure 2 shows that mobile communication terminal of the present invention utilizes the embodiment flow chart of downloaded media file method;
Figure 3 shows that the embodiment flow chart of computer receiving data of the present invention;
Figure 4 shows that mobile communication terminal of the present invention receives the embodiment flow chart of replying confirmation behind the media file;
Figure 5 shows that mobile communication terminal was bought copyright embodiment flow chart by computer when the present invention worked as OMA DRM employing SD mode;
Fig. 6 is mobile communication terminal example structure figure of the present invention;
Figure 7 shows that the structural representation of the computer-implemented example of the present invention;
Figure 8 shows that processing module example structure figure of the present invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer,, the present invention is described in further details below in conjunction with execution mode and accompanying drawing.At this, exemplary embodiment of the present invention and explanation thereof are used to explain the present invention, but not as a limitation of the invention.
The embodiment of the invention provides a kind of media file downloading method based on copyright management, Apparatus and system.The present invention is described in detail below in conjunction with accompanying drawing.
Be illustrated in figure 2 as the embodiment flow chart that mobile communication terminal of the present invention utilizes downloaded media file method, comprise:
As one embodiment of the present of invention, in step 201, described computer can utilize cordless communication network, for example GPRS (GPRS:General Packet Radio Service), be connected with Download Server, seek the media file that the user needs, and the download in the step in the back, operation such as browsing can be based on described cordless communication network.
As one embodiment of the present of invention, in step 202, utilize the described DD file of browser downloads of described computer, the described DD file of described computer analyzing, and information such as the title of media file, cost of use are shown to the user, after the user confirmed, in step 203, the browser of described computer carried out the download of media file according to the DD file after resolving.
As one embodiment of the present of invention, in step 202, utilize the described DD file of browser downloads of described computer, connecting line by computer and mobile communication terminal, send this DD file to mobile communication terminal, by this mobile communication terminal described DD file is resolved, in step 203, described computer receives AT (A Ttention) instruction that described mobile communication terminal sends, comprise the media file URL(uniform resource locator) (URL:Uniform Resource Locator) that mobile communication terminal parsing DD file obtains in this AT instruction, computer calls browser and downloads described media file to corresponding URL.
As one embodiment of the present of invention, in the step 204, described computer can take File Transfer Protocol to send described media file to described mobile communication terminal, and mobile communication terminal is realized the server end of FTP, the client of computer realization FTP is to the server end upload file.
Be illustrated in figure 3 as the embodiment flow chart of computer receiving data of the present invention.
Comprise step 301, the browser of described computer receives downloaded files.
Step 302, described computer judge that the file that receives is DD file or media file, if the DD file enters step 304, if media file then enters step 303.
Step 303 sends described media file to the mobile communication terminal that is connected with described computer.
Step 304 is resolved described DD file.
Step 305, judge whether described DD file is legal, whether complete to this DD file, whether be that the conditions such as DD file of media content provider or service provider permission are carried out the judgement of legitimacy, if described DD file is legal then enter step 307, otherwise enter step 306.
Step 306, the display by computer reports an error to the user, and abandons this DD file.
Step 307 is extracted the information such as title, cost of use of media file from described DD file, the information of said extracted is shown to the user.
Step 308 show to be selected window on the display of described computer, the user selects whether will download this media file according to this selections window, if select download then enter step 310, otherwise enters step 309.
Step 309 abandons this DD file, and process ends.
Step 310 is called the browser of described computer, according to described DD file to corresponding download server media file.
As one embodiment of the present of invention, in step 303, described computer can take File Transfer Protocol to send described media file to described mobile communication terminal, and mobile communication terminal is realized the server end of FTP, the client of computer realization FTP is to the server end upload file.
As one embodiment of the present of invention, in step 304, this DD file of storage on described computer, described computer takes File Transfer Protocol to send described DD file to described mobile communication terminal, mobile communication terminal is resolved described DD file, and will resolve good DD file and send computer to.
Above method can be applied to FL and the CD mode of OMA DRM, and the user does not need to download copyright information from special copyright server once more when using media file, and has just obtained copyright information when the downloads of media file.
Be illustrated in figure 4 as mobile communication terminal of the present invention and receive the embodiment flow chart of replying confirmation behind the media file.
Result's report for the DRM file is installed needs Post to give Download Server, so that charge.Comprise: step 401, after mobile communication terminal installation medium file finishes, notify described computer to message of Download Server Post, the content of message is the installation results report, comprises success or failure information.For the result of failure, then need with the reason that goes up failure.
Step 402, described computer are created a socket and are connected, with Post message to Download Server.
Step 403, Download Server are returned the process information of installation results report.
Step 404, described computer returns to described mobile communication terminal with described process information.
Be illustrated in figure 5 as the present invention's mobile communication terminal when OMA DRM adopts the SD mode and buy copyright embodiment flow chart by computer.
Comprise step 501, computer sends instruction, carries out copyright and upgrades (to adopting the media file of SD method protection).
Step 502, the URL of the renewal copyright that described computer reception mobile communication terminal extracts from the media file head of SD protection.Mobile communication terminal receives the instruction that copyright is upgraded, and resolves media file, extracts the URL that upgrades copyright from the media file head.
Step 503 by the browser of computer, is opened corresponding copyright and is bought webpage, allows the user buy.
Step 504, the user determines to buy copyright.
Step 505, copyright server issue copyright and give described mobile communication terminal, preferably can adopt the mode of Push message to transmit this copyright information.
Be illustrated in figure 6 as the structural representation of mobile communication terminal embodiment of the present invention.
Comprise receiving element 601, be used for download description document and media file that receiving computer sends.
Transmitting element 603 returns to described computer with resolving the information of downloading in the description document back.
Further, resolution unit 602 also is used to resolve media file, obtains the URL that upgrades copyright;
Described transmitting element 603 returns the URL that upgrades copyright to computer.
Described mobile communication terminal does not have browser function, is connected with computer by USB interface or with universal data interface.
Be illustrated in figure 7 as the structural representation of the computer-implemented example of the present invention.
Comprise processing module 701 and browser 702.
Described browser 702 is a browser common on the computer, can adopt IE (Internet Explorer) browser of Microsoft or the browser of other company.
The user is by the operation of described processing module 701 on described browser 702, obtain the DD file of download, the user calls the described browser 702 of processing module 701 controls again, and media file is downloaded, and processing module 701 sends this media file to described mobile communication terminal; When described mobile communication terminal returns the installation results report of media file, described processing module 701 is utilized the network of computer to connect and is sent this installation results report to Download Server, and the process information of this Download Server is returned to described mobile communication terminal; And can call browser 702 according to the media file on the described mobile communication terminal and be connected with copyright server, make described mobile communication terminal obtain copyright information.
Be illustrated in figure 8 as processing module example structure figure of the present invention.
Comprise communication interface 801, download description document (DD) resolution unit 802, authentication unit 803, extraction unit 804, call unit 805, report unit 806, copyright unit 807.
Described communication interface 801 is connected with mobile communication terminal with described Computer Browser, described extraction unit 804 is connected with described authentication unit 803, described authentication unit 803 is connected with described DD resolution unit 802, described DD resolution unit 802 is connected with described communication interface 801, described call unit 805 is connected with described browser, described report unit 806 is connected with described communication interface 801, and described copyright unit 807 is connected with described communication interface 801.
Described communication interface 801 is used for respectively and described Computer Browser and mobile communication terminal address.
Described DD resolution unit 802 is used for resolving on computers the DD file.
Described authentication unit 803 is used to verify whether the DD file of described DD resolution unit 802 parsings is legal.
Whether described extraction unit 804 is used for extracting for example information such as media file name, expenses standard from the DD file, and above-mentioned information is shown to the user, will download with for reference.
Described call unit 805 is used for the download command of assigning according to the user, according to the browser downloads media file of the media server call by location computer in the DD file.
Described report unit 806 is used for result's report that described mobile communication terminal is installed behind the described media file is returned to described Download Server, and the process information of this Download Server is sent to mobile communication terminal.
Described copyright unit 807 is used for if the user buys copyright by this successful connection, making described copyright server push copyright information to described mobile communication terminal according to being connected of the described computer of the information of described media file and copyright server.
The embodiment of the invention also provides a kind of media file download system based on copyright management, comprises mobile communication terminal, computer; Described mobile communication terminal is connected with described processing module, described computer is used for controlling according to the user, call browser, downloads of media file corresponding download description document, download described media file according to the content of downloading description document again, and send media file to mobile communication terminal.Mobile communication terminal is used to store described media file, also is used for further obtaining the URL that upgrades copyright from media file, downloads new copyright via computer notice copyright server; Also be used for the download description document that receiving computer is downloaded further, resolve, send the content of the download description document after resolving to computer.
The beneficial effect of the embodiment of the invention is, can make the mobile communication terminal of not supporting browser download the media file that is subjected to OMA DRM protection by the embodiment of the invention, and not be used in the hardware device that increases any costliness on this mobile communication terminal, realize that cost is low; Make full use of the use value of active computer.
Method and system of the present invention are applied to the mobile communication copyright protection at end; operator just can carry out the relevant business of DRM on the mobile communication terminal of not supporting browser (for example mobile phone, wireless Internet card etc.) under original Open Mobile Alliance digital copyright management (OMA DRM) server disposition; the protection copyright, the use of control media file.
Above-described embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is the specific embodiment of the present invention; and be not intended to limit the scope of the invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. media file downloading method based on copyright management, it is characterized in that this method comprises, computer is connected with mobile communication terminal, by the definite download description document that will download of the browser of described computer, the browser of described computer receives downloaded files, described computer judges that the file that receives is to download description document or media file, if download description document, resolve described download description document, judge whether described download description document is legal, if it is legal then download description document from corresponding download server media file according to this, described computer sends described media file to described mobile communication terminal and stores, described computer sends the instruction of copyright renewal and upgrades to carry out copyright to described mobile communication terminal, the uniform resource position mark URL of the renewal copyright that described computer reception mobile communication terminal extracts from the media file head, described computer calls the browser of described computer according to the information of media file, set up being connected of described computer and copyright server, open the copyright corresponding and buy webpage with the URL of described renewal copyright, if buy copyright by this successful connection, then described copyright server adopts Push message to push copyright information to described mobile communication terminal.
2. a kind of media file downloading method according to claim 1 based on copyright management, it is characterized in that, in the step of the download description document of determining by the browser of described computer to download, described download description document browsed and downloads by the browser of described computer by cordless communication network.
3. a kind of media file downloading method according to claim 2 based on copyright management, it is characterized in that, in the step of resolving described download description document, comprise, resolve described download description document on the described computer, obtain to download the information in the description document.
4. a kind of media file downloading method according to claim 2 based on copyright management, it is characterized in that, in the step of resolving described download description document, comprise, send described download description document to described mobile communication terminal, computer is resolved and sent to mobile communication terminal to described download description document, and described computer obtains the information of downloading in the description document.
5. according to claim 3 or 4 described a kind of media file downloading methods based on copyright management, it is characterized in that, describedly before the step of corresponding download server media file, also comprise, extract in the described download description document information about described media file, and this information is shown to the user, to determine whether downloading this media file.
6. a kind of media file downloading method based on copyright management according to claim 1 and 2 is characterized in that, described mobile communication terminal and described computer carry out transfer of data and adopt file transfer protocol (FTP).
7. a kind of media file downloading method according to claim 1 based on copyright management, it is characterized in that, also comprise after sending described media file to step that described mobile communication terminal stores, described mobile communication terminal is installed described media file, and return installation results report to described computer, described computer sends to Download Server by described browser with this installation results report, and the process information that described Download Server returns is sent to described mobile communication terminal.
8. a mobile communication terminal is characterized in that, described mobile communication terminal comprises:
Receiving element is used for download description document and media file that receiving computer sends, and receives the instruction that copyright that described computer sends is upgraded;
Resolution unit is used to resolve described download description document, and the uniform resource position mark URL of the renewal copyright of extracting from the media file head;
Transmitting element, whether the information in the download description document after resolving is returned to described computer legal to judge described download description document, if it is and legal then download description document from corresponding download server media file according to this, the URL of described renewal copyright is sent to described computer, buy webpage by the copyright corresponding and buy copyright, after successfully buying copyright, receive the copyright information that described copyright server adopts Push message to push with the URL of described renewal copyright.
9. a computer is characterized in that this computer comprises, browser, processing module;
Described browser downloads file, judge that the file that receives is to download description document or media file, if download description document, described processing module is resolved described download description document, judge whether described download description document is legal, if legal then control described browser to corresponding download server media file, and send described media file to mobile communication terminal according to described download description document;
Wherein, described processing module also comprises, communication interface is downloaded the description document resolution unit, call unit and copyright unit;
Described communication interface is used for the communication interface of described browser and mobile communication terminal;
Described download description document resolution unit is used to resolve described download description document to obtain the content information of described download description document;
Described call unit is used for according to the described browser of user's instruction calls according to the content information downloads of media file of downloading description document;
Described copyright unit, be used for sending the instruction of copyright renewal to carry out the copyright renewal to described mobile communication terminal, the uniform resource position mark URL of the renewal copyright that the reception mobile communication terminal extracts from the media file head, call the browser of described computer according to the information of media file, set up being connected of described computer and copyright server, open the copyright corresponding and buy webpage with the URL of described renewal copyright, if buy copyright, then make described copyright server adopt Push message to push copyright information to described mobile communication terminal by this successful connection.
10. computer according to claim 9 is characterized in that described processing module also comprises extraction unit;
Described extraction unit is used for extracting the information of described legal download description document, is shown to the user, will download this media file so that determine whether.
11. computer according to claim 9 is characterized in that described processing module also comprises, the report unit;
Described report unit receives the installation results report of described mobile communication terminal installation medium file, returns described installation results report to described Download Server, and the process information of this Download Server is sent to mobile communication terminal.
12. the media file download system based on copyright management is characterized in that, comprises the described mobile communication terminal of claim 8, each described computer and copyright server among the claim 9-11; Described mobile communication terminal is connected with described computer, described computer is used for controlling according to the user, call browser, downloads of media file corresponding download description document, receive downloaded files, judge that the file that receives is to download description document or media file, if download description document, resolve described download description document, judge whether described download description document is legal, if legally download described media file according to the content of downloading description document again, and send media file to mobile communication terminal, mobile communication terminal is used to store described media file; Described computer also is used for sending the instruction of copyright renewal to carry out the copyright renewal to described mobile communication terminal, receive the uniform resource position mark URL of the renewal copyright that described mobile communication terminal extracts from the media file head, call the browser of described computer according to the information of media file, set up being connected of described computer and copyright server, open the copyright corresponding and buy webpage with the URL of described renewal copyright; Described copyright server if be used for buying copyright by this successful connection, then adopts Push message to push copyright information to described mobile communication terminal.
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| CN200910003934XA CN101478754B (en) | 2009-01-23 | 2009-01-23 | Media file downloading method, apparatus and system based on copyright management |
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| CN200910003934XA CN101478754B (en) | 2009-01-23 | 2009-01-23 | Media file downloading method, apparatus and system based on copyright management |
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| CN101478754A CN101478754A (en) | 2009-07-08 |
| CN101478754B true CN101478754B (en) | 2011-12-07 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103297816B (en) * | 2013-05-08 | 2016-09-14 | 深圳创维数字技术有限公司 | A kind of method for safely downloading and receiving terminal for digital television |
| CN103873592A (en) * | 2014-04-02 | 2014-06-18 | 联想(北京)有限公司 | Data transmission method and system |
| CN105323299A (en) * | 2015-03-06 | 2016-02-10 | 维沃移动通信有限公司 | Data transmission method and terminal |
| CN109067790A (en) * | 2018-09-25 | 2018-12-21 | 北京京航计算通讯研究所 | Data transmission method and device |
| CN111511045B (en) * | 2020-04-10 | 2023-06-02 | 玳能科技(杭州)有限公司 | Interaction method and device for mobile terminal and computer, electronic equipment and storage medium |
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| CN101038610A (en) * | 2006-03-16 | 2007-09-19 | 华为技术有限公司 | Method and apparatus for renewing object with copyright property |
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| CN1672356A (en) * | 2002-05-30 | 2005-09-21 | 美国电话及电报无线服务公司 | System and method for providing a digital rights scheme for browser downloads |
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