CN102137163A - Multimedia file sharing system and method - Google Patents
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- CN102137163A CN102137163A CN2011100693393A CN201110069339A CN102137163A CN 102137163 A CN102137163 A CN 102137163A CN 2011100693393 A CN2011100693393 A CN 2011100693393A CN 201110069339 A CN201110069339 A CN 201110069339A CN 102137163 A CN102137163 A CN 102137163A
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Abstract
The invention relates to the technical field of sharing and discloses a multimedia file sharing system and method. The multimedia file sharing method comprises the following steps of establishing a special storage region by a using terminal; uploading an index table of the multimedia file to a server; receiving the index table and commanding the using terminal to send a file block to a correlated using terminal by the server; and downloading the multimedia file by using the using terminal, wherein the server controls the using terminal to issue the file block of a multimedia onto different using terminals in advance in a mode similar to virus transmission, monitors the corresponding index table of the multimedia file in real time and controls the issuing degree of the multimedia file block. A user can upload and download the multimedia file within a rather short time, thereby easily sharing media with persons in a social sphere of the user and is supplied with convenience, the configuration and maintenance costs of the server are also lowered, and the utilization ratio of network resources is increased.
Description
Technical field
The present invention relates to the technology of sharing field, the method for in particular a kind of multimedia file shared system and shared multimedia file thereof.
Background technology
Multimedia audio-visual amusement is play, it is a main function of consumer electronics product, for a long time, the audio-video playing function of consumer electronics product is confined on traditional playing function always, even in today of the Internet prosperity, what realize also mainly is the application of Online Video broadcast and so on, and this electronic product of media player/all-in-one that combines the Internet is in the stage that technology is regenerated and fallen behind relatively always.
The essence of the Internet is open and shares, and the video of prior art is shared, its way is: operator is provided with a huge server space, after user A uploads the video of oneself, notify the user B, user B downloads this video from same place again, this way slowly fails to obtain popular, chief reason is: multimedia file is very huge usually, need take very macroreticular resource, one uploads one downloads very holding time, and the configuration of server simultaneously also needs very high, and needs very big space; The epoch that arrived high definition are all the more so, and present network condition still is not enough to support the transmission of HD video, if intactly a video is uploaded or downloaded, need the expensive time, cause inconvenience to the user.
Also have domestic also popular a kind of BitTorrent(bit stream at present, be called for short BT) the P2P method for down loading, the user also takes on uploader when downloading role, the file-sharing that each user also will download when file in download is come out.Under this downloading mode, people's multiple speed more is fast more.But in the incipient stage of whole P2P downloading process, because download user is few, sharable inadequate resource, therefore the speed of downloading is still slow.For example, even the user of first download can only shared mutually for several leading user, still because available loading source is few, therefore download also unhappy from server or uploader downloading object file.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The technical problem to be solved in the present invention is, above-mentioned defective at prior art, the method of a kind of multimedia file shared system and shared multimedia file thereof is provided, provide a kind of novel multimedia to share method towards virtual network, the user can finish uploading and downloading of multimedia file in the quite short time, share thereby carry out medium with the people of user's social circle like a cork, provide users with the convenient; Reduce the configuration and the maintenance cost of server simultaneously, improved utilization rate of network resource.
The technical scheme that technical solution problem of the present invention is adopted is as follows:
A kind of multimedia file shared system is shared the method for multimedia file, wherein, comprises step:
A, set up buddy list by the operational order that uses terminal to receive user's input;
B, set up the dedicated memory that is used for the storing multimedia data on the terminal using; And the multimedia file that need are uploaded is carried out piecemeal become a plurality of multimedia file pieces, and create at the concordance list behind this multimedia file piecemeal, and the concordance list of this multimedia file is uploaded onto the server;
C, server receive the concordance list of this multimedia file, and control uses terminal that the multimedia file piece is published on a plurality of different use terminal on its buddy list in advance, and whenever finish the transmission of a multimedia file piece, the index on the concordance list of this multimedia file piece correspondence of the real-time Monitoring and Update of server; When the scope of release that monitors the multimedia file piece reached set point, control used terminal to stop the issue of blocks of files;
The instruction of the download multimedia file of D, use terminal receiving target user input is downloaded this multimedia file according to the concordance list of this need multimedia file in download.
Described multimedia file shared system is shared the method for multimedia file, and wherein, described steps A specifically comprises:
A1, use terminal receive the user login information that the user imports by user interface, and send this user login information to server;
A2, after described user login information obtains server authentication and passes through, use terminal to obtain friend information from described server, and the friend information that obtains be loaded in the local buddy list by its interpolation good friend's who provides interface menu.
Described multimedia file shared system is shared the method for multimedia file, it is characterized in that, the multimedia file that need are uploaded among the described step B carries out piecemeal becomes a plurality of multimedia file pieces, and create at the concordance list behind this multimedia file piecemeal, the concordance list of this multimedia file is uploaded onto the server specifically to be comprised:
B1, use the multimedia file of this locality storage that terminal uploads need to carry out piecemeal, this multimedia file from being divided into some multimedia file pieces in form, and is calculated the cryptographic Hash of each multimedia file piece correspondence;
The cryptographic Hash of each multimedia file piece correspondence that B2, basis calculate, create the concordance list of corresponding multimedia file, the index information content of concordance list comprises the cryptographic Hash of each multimedia file piece of this multimedia file, and the IP address of the residing use terminal of this multimedia file, and the memory location of this multimedia file piece on this use terminal;
B3, use terminal upload onto the server the concordance list of the multimedia file of establishment.
Described multimedia file shared system is shared the method for multimedia file, and wherein, described step C specifically comprises step:
C1, server receive the concordance list of storing multimedia, and from the buddy list of the use terminal of storing this multimedia file the friend information of inquiring user, and the use terminal of locating each good friend, and to the use terminal transmission multimedia file piece issuing command of storing this multimedia file;
C2, store the multimedia file piece issuing command of the use terminal reception server of this multimedia file, and several times, initiatively set up network and be connected at every turn with the online good friend's of a part use terminal according to the instruction of server;
C3, use terminal to select several multimedia file pieces at every turn, and the data of the multimedia file piece selected are sent to the use terminal of having set up the good friend that network connects according to the concordance list of described multimedia file.
Described multimedia file shared system is shared the method for multimedia file, and wherein, described step C3 also comprises: if the other side's good friend uses terminal to return the information of the insufficient space of its dedicated memory, then stop using terminal to transmit blocks of files to this good friend.
Described multimedia file shared system is shared the method for multimedia file, and wherein, described step C3 also comprises: whenever finish the transmission of a multimedia file piece, the index on the concordance list of this multimedia file piece correspondence of the real-time Monitoring and Update of server.
Described multimedia file shared system is shared the method for multimedia file, wherein, also comprises step after the described step C3:
C4, the concordance list of server by upgrading monitor same multimedia file piece and are distributed on the new use terminal, after waiting for a scheduled time, send multimedia file piece issuing command to described new use terminal, and return step C2;
C5, when the scope of release that server monitors the multimedia file piece reaches set point, stop the issue of blocks of files.
Described multimedia file shared system is shared the method for multimedia file, and wherein, described step D specifically comprises:
D1, when using terminal to receive the instruction of certain multimedia file of download of targeted customer's input, download the concordance list of this multimedia file correspondence from server;
D2, use the information of terminal, obtain the blocks of files of this multimedia file one by one according to the index file of concordance list;
D3, when certain blocks of files is present on a plurality of use terminals, be connected simultaneously with these a plurality of use terminals, send request of data, download this multimedia file data simultaneously from a plurality of sources.
A kind of multimedia file shared system comprises server and some use terminals, and wherein, described server comprises user management module, index management module and propagation management module;
Described user management module is used for being responsible for the maintenance of buddy list, information behind the new good friend who uses terminal to add is stored, and be used to provide query interface to using terminal inquiry buddy list information;
Described index management module is used for the concordance list of multimedia file is managed, and whenever finishes the transmission of a multimedia file piece, the index information on the concordance list of this multimedia file piece correspondence of real-time update; Described index information comprises: the cryptographic Hash of multimedia file piece, the IP that uses terminal and multimedia file piece are in the memory location of using on the terminal;
Described propagation management module is used for when using terminal to upload multimedia file, the concordance list of the multimedia file that the reception user uploads, and control uses terminal several times the multimedia file piece to be published in advance on good friend's the use terminal; And be used for when the scope of release that monitors the multimedia file piece reaches set point, stop the issue of blocks of files;
Described use terminal comprises transmission module, blocks of files download module and reserved area administration module on friend information administration module, piecemeal module, the blocks of files;
Described friend information administration module, the operation that is used to receive the user carry out user's registration and good friend's inquiry, add, the management of deletion;
Described piecemeal module, the multimedia file that is used for need are uploaded carries out piecemeal, with this multimedia file from be divided into several multimedia file pieces in form, and calculate the cryptographic Hash of each multimedia file piece correspondence, and create, and this concordance list is uploaded onto the server at the concordance list behind this multimedia file piecemeal;
Transmission module on the described blocks of files is used for the multimedia file piece issuing command of reception server, and the multimedia file piece of correspondence is sent to use terminal by the selected good friend of server end;
Described blocks of files download module is used to receive the blocks of files that download instruction is downloaded multimedia file, and the downloaded files piece is deposited in the dedicated memory;
Described reserved area administration module is used to set up the dedicated memory of storing multimedia data and this dedicated memory is managed.
Described multimedia file shared system, wherein, described propagation management module further comprises:
Receiving element is used to receive the concordance list of storing multimedia;
Positioning unit is used for locating each good friend's use terminal from the friend information of the buddy list inquiring user that uses terminal;
Instruction sending unit is used for sending multimedia file piece issuing command to each good friend's use terminal;
Control unit is used for the use terminal of this multimedia file of control store, according to the multimedia file piece issuing command of server, initiatively sets up network with online good friend's use terminal and is connected; And select some multimedia file pieces, and the data of the multimedia file piece selected are sent to the use terminal of having set up the good friend that network connects according to the concordance list of multimedia file at every turn.
The method of multimedia file shared system provided by the present invention and shared multimedia file thereof, use terminal multimedia blocks of files to be published on a plurality of different use terminals in advance owing to adopted server controls in the mode that is similar to the virus propagation, and server is monitored the concordance list of this multimedia file correspondence in real time, the degree of control multimedia file piece issue.When the distribution that monitors blocks of files reached set point, control used terminal to stop the issue of blocks of files, and this moment, each blocks of files was arranged in the certain limit in advance, and subsequent user can be finished the download of multimedia file at short notice.Making the user when manipulating terminal, no longer only is traditional play operation, and can also be by using terminal and friend, and the household carries out the operation of sharing of video.Share method by a kind of novel multimedia of the present invention towards virtual network, the user can finish uploading and downloading of multimedia file in the quite short time, share thereby carry out medium with the people of user's social circle like a cork, use terminal to increase the social new function of sharing in the Internet.
In addition, reduced the configuration and the maintenance cost of server, the server resource that operator need safeguard can be not a lot, because server mainly is maintenance customer's a buddy list, and index file; Mark next dedicated memory specially by that piece in the use terminal of direct use subscriber equipment, huge cloud memory device of virtual composition, and customer volume is big more, and whole service quality will be high more, improved utilization rate of network resource, provided users with the convenient.
Description of drawings
Fig. 1 is the multimedia file shared system catenation principle figure of the invention process row.
Fig. 2 is the use terminal inner theory diagram of the embodiment of the invention.
Fig. 3 is the method flow diagram that the multimedia file shared system of the embodiment of the invention is shared multimedia file.
Fig. 4 is the propagation management inside modules block diagram of the server of embodiment of the invention multimedia file shared system.
Embodiment
The method of a kind of multimedia file shared system provided by the present invention and shared multimedia file thereof, clearer, clear and definite for making purpose of the present invention, technical scheme and advantage, below develop simultaneously with reference to accompanying drawing that the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
A kind of multimedia file shared system that the embodiment of the invention provided, as shown in Figure 1, comprise server and some use terminals (use terminal A as shown in Figure 1, use terminal B, use terminal C ...), wherein, described server comprises user management module, index management module and propagation management module, also is provided for the buddy list of storing subscriber information in addition and is used for the index file of storing multimedia.Described use terminal can be smart machines such as personal computer, palmtop PC, mobile phone, also can be to be the electronic equipment for consumption of main purpose with audio-visual amusement, for example player, game machine and all-in-one etc. establish the dedicated memory that is used for storing multimedia on each use terminal.
Described user management module is used for being responsible for the maintenance of buddy list on the one hand, and the new friend information that uses terminal to add is stored, and is used to provide query interface to using terminal inquiry buddy list information on the other hand; For example, after the user has added new good friend by the UI interface, this user management module stores friend information, when other software modules need be inquired about buddy list information, also be the api interface that inquiry is provided by this module, user's friend information is directly to be maintained in server end but not client.
Described index management module is used for the concordance list of multimedia file is managed on the one hand, whenever finishes the transmission of a multimedia file piece, in real time the index information on the concordance list of this multimedia file piece correspondence of Monitoring and Update; The renewal of the index information of concordance list comprises: to the renewal of the cryptographic Hash of multimedia file piece, the IP that uses terminal and the multimedia file piece concrete memory location on the use terminal.
Wherein, index management module is a nucleus module, and in the present invention, the corresponding independent index table stores of each multimedia file is in the index file of server, and index management module is exactly the module of the concordance list in the index file being carried out operational administrative.
After using terminal to finish a complete multimedia file piece download, use terminal will send an index upgrade message to index management module, index upgrade message will comprise following critical field content: (hash algorithm is mapped as the binary value of random length the less binary value of regular length to the cryptographic Hash of multimedia file piece, this little binary value is called cryptographic Hash), use the IP of terminal, the multimedia file piece is in the concrete memory location of using on the terminal.
Index management module is after receiving message, upgrade the index file of this multimedia video frequency file correspondence, in this way, when the multimedia file BOB(beginning of block) spread through the internet come after, whenever use on the terminal at one and download successfully, will indexed file in the record of a correspondence of increase, by this way, the blocks of files of the overall situation distributes on the index file real-time servicing the Internet, and this also is that the propagation management module is done the data basis that decision-making is judged.
Described propagation management module is used on the one hand when using terminal to upload multimedia file, receive the concordance list of the multimedia file that the user uploads, and control uses terminal several times the multimedia file piece to be published in advance on a plurality of different use terminal on its buddy list in the mode that is similar to virus and propagates; Be used on the other hand when the scope of release that monitors the multimedia file piece reaches set point, control uses terminal to stop the issue of blocks of files.
The propagation management module of embodiment of the invention server is the decision-making module in the whole proposal, mainly bears two work: the propagation of scheduling multimedia file piece, and the excessive propagation of controlling the multimedia file piece in proper time point.
For example, the propagation management module is at first by user management module, inquires user's friend information from buddy list, locatees these good friends' use terminal, the use terminal of uploading multimedia file to needs that sends instructions is subsequently carried out the issue of file; After the user uses terminal to receive instruction, at first setting up network with the online use terminal of enlivening the good friend is connected, from set up good multimedia file concordance list before, select some multimedia file pieces at random subsequently, the data of these multimedia file pieces of selecting are sent to equally the good friend's who is come out by random choose use terminal, these all operations all are to carry out on the backstage, because the data volume of blocks of files itself is also little, so whole transfer of data can not exert an influence to other operations of user.
When the propagation of multimedia file piece finishes, after index is updated, propagation management module in the server is by the index information of concordance list in the search index file, can be appreciated that this moment, same multimedia file piece was distributed on the different equipment, the propagation management module can be every (purpose of doing like this is to alleviate facility load a period of time of after, avoid too frequent data transfer operation), use terminal to new good friend sends multimedia file piece issuing command, the buddy list of the good friend's that this is new use terminal searching oneself repeats aforesaid operating process once more.
An other critical function of propagation management module is that control is propagated, when use terminal that the propagation management module monitors has the blocks of files of this multimedia file in the concordance list at certain multimedia file reaches a predetermined quantity (for example 500 or 1000), stop the propagation of this multimedia file, promptly no longer to using terminal to send the instruction of this multimedia file associated documents piece of issue.As a rule, when simultaneously online and use terminal that have a blocks of files of multimedia file reaches 500-1000, just be enough to provide good uploading and download service.
Particularly, the propagation management module is provided with one and is used to stop the propagation parameter that multimedia file is propagated, and stops the propagation of this multimedia file when the use terminal of the blocks of files that has certain multimedia file reaches the quantity that propagation parameter sets.Because there is bigger influence in the scale of number of users to the propagation of multimedia file, difference between use terminal network that has only 10,000 left and right sides users and the use terminal network that has 1,000,000 left and right sides users is very big, therefore, this propagation parameter can dynamically be adjusted according to network size, when network size is big, this propagation parameter can respective settings get more greatly, spreads sooner so that make to propagate.
As shown in Figure 2, described use terminal comprises transmission module and blocks of files download module on friend information administration module, piecemeal module, reserved area administration module, the blocks of files.
Wherein, the operation that is used to receive the user of described friend information administration module carry out user's registration and good friend's inquiry, add, the management of deletion; For example carry out user's registration and good friend's inquiry, interpolation, deletion etc. by the friend information administration module.
The multimedia file that the piecemeal module is used for need are uploaded carries out piecemeal by the partitioned mode of fixed size, with this multimedia file from be divided into the identical multimedia file piece of some sizes in form, and calculate the cryptographic Hash of each multimedia file piece correspondence, and create, and this concordance list is uploaded onto the server at the concordance list behind this multimedia file piecemeal; For example for the scene of upload file, the piecemeal module is once cut (not needing actual cutting whole into sections) to the file of being uploaded by the partitioned mode of fixed size, and each blocks of files calculated corresponding cryptographic Hash, construct an initial concordance list then, and this concordance list is uploaded to the index management module of server.In another embodiment, the piecemeal module can also adopt pro rata partitioned mode or the multimedia file need uploaded according to the partitioned mode of other related algorithms carries out piecemeal.
The reserved area administration module is used to set up the dedicated memory of storing multimedia data and this dedicated memory is managed, as depicted in figs. 1 and 2.For example, to set up special storage area by the reserved area administration module be the dedicated memory, and this dedicated memory managed, and for example detects size, deleted file piece and the merge file piece etc. of reserved area remaining space.
Transmission module is used for the multimedia file piece issuing command of reception server on the blocks of files, and the multimedia file piece of correspondence is sent to a plurality of use terminals by the selected good friend of server end; By transmission module on the blocks of files some multimedia file pieces are sent on a plurality of use terminals by the selected good friend of server end.
The blocks of files download module is used to receive the blocks of files that download instruction is downloaded multimedia file, and the downloaded files piece is deposited in the dedicated memory;
For example, for the scene of automatic file in download piece, receive download instruction from the propagation management module after, download corresponding multimedia file piece by the blocks of files download module, and it deposited in the dedicated memory of marking specially;
For another example, for scene by use terminal downloads whole multimedia file, after receiving the instruction of user's download multimedia video frequency file, pass through the All Files piece of multimedia file piece download module then, and be combined into a multimedia video frequency file with the mode foradownloaded video file of P2P.
Based on the multimedia file shared system of the foregoing description, the embodiment of the invention also provides a kind of multimedia file shared system to share the method for multimedia file, and as shown in Figure 3, described method mainly may further comprise the steps:
Step S100, set up buddy list by the operational order that uses terminal to receive user's input.
Wherein, this step S100 specifically comprises when implementing: A1, use terminal receive the user login information that the user imports by user interface, and send this user login information to server; A2, after described user login information obtains server authentication and passes through, use terminal to obtain friend information from described server, and the friend information that obtains be loaded in the local buddy list by its interpolation good friend's who provides interface menu.
For example, at first the user when for the first time using use terminal of the present invention, title by a simple user operation interface (UI) input oneself is registered, and this interface program can upload to user's log-on message in the carrier server of network and verify.
When checking by after can normally login, can pass through a special query interface after the user login, from its good friend's of this server inquiry information, and join in the buddy list of this locality, buddy list directly passes through name identification.The good friend is a title to user's demonstration, and what be associated with this title is user's IP address, and just this IP address is sightless for the user, is unique identification user's ID for software.
Step S200, set up the dedicated memory that is used for the storing multimedia data on the terminal using; And the multimedia file that need are uploaded is carried out piecemeal become a plurality of multimedia file pieces, and create at the concordance list behind this multimedia file piecemeal, and the concordance list of this multimedia file is uploaded onto the server.
For example, in embodiments of the present invention, user's use terminal can constantly be added new friend information and be entered in this buddy list, when each start or shutdown, use terminal to inquire about the last state of every good friend in the buddy list simultaneously in real time to the up-to-date down status that goes up of server update self.
Current use terminal is all built-in substantially memory devices such as hard disk need mark a special dedicated memory to hard disk, and it is used to be used for storing data such as multimedia, and this dedicated memory is the bigger the better in theory.
When simultaneously online use terminal quantity was enough big, these just had been made into a huge virtual hard disk space by group of networks, as the virtual memory space of Fig. 1 as showing by the special use terminal-specific memory block of coming out of dividing.
Wherein, the multimedia file that need are uploaded among this step S200 carries out piecemeal becomes a plurality of multimedia file pieces, and create at the concordance list behind this multimedia file piecemeal, the concordance list of this multimedia file is uploaded onto the server be may further comprise the steps in the specific implementation:
The multimedia file that store B1, this locality of using terminal that need are uploaded carries out piecemeal by the partitioned mode of fixed size, this multimedia file from being divided into the identical multimedia file piece of some sizes in form, and is calculated the cryptographic Hash of each multimedia file piece correspondence;
The cryptographic Hash of each multimedia file piece correspondence that B2, basis calculate, create the concordance list of corresponding multimedia file, the index information content of concordance list comprises the cryptographic Hash of each multimedia file piece of this multimedia file, and the IP address of the residing use terminal of this multimedia file, and the memory location of this multimedia file piece on this use terminal;
B3, use terminal upload onto the server the concordance list of the multimedia file of establishment.
For example when the user need carry out uploading of multimedia file (as video file), the embodiment of the invention no longer has been that the whole video file is uploaded in fact, but at first utilize the piecemeal module that the local video file is once cut (not needing actual cutting whole into sections) by the partitioned mode of fixed size, it is divided into the identical multimedia file piece of some sizes in form, and each multimedia file piece calculated its corresponding cryptographic Hash, construct a concordance list then at this video file, the index information content of concordance list is the cryptographic Hash of each piece of this multimedia file, the IP address of the residing use terminal of this piece, and the memory location of this piece on this use terminal equipment.
Under initial situation, content in this concordance list, especially IP address and memory location are to be positioned at the local information of using on the terminal, all after this concordance list is uploaded on the server, upload procedure just ends, operation can directly return to user's control, and with this mode of operation, whole upload procedure can finish in the very short time, because be uploaded to the just concordance list of this video file of server, rather than video file itself.Can reduce the configuration and the maintenance cost of server so effectively.
Step S300, server receive the concordance list of this multimedia file, and control this use terminal and the multimedia file piece is published on a plurality of different use terminal on its buddy list in advance in the mode that is similar to virus and propagates, and whenever finish the transmission of a multimedia file piece, the index on the concordance list of this multimedia file piece correspondence of the real-time Monitoring and Update of server; When the scope of release that monitors the multimedia file piece reached set point, control used terminal to stop the issue of blocks of files;
This step S300 comprises in the specific implementation:
C1, server receive the also concordance list of storing multimedia, after server is received concordance list, can be from the buddy list of the use terminal of storing this multimedia file the friend information of inquiring user, and locate these good friends' use terminal, use terminal to this multimedia file of storage sends multimedia file piece issuing command subsequently, notify this use terminal can carry out the issue of multimedia file, enter step C2.
C2, store the multimedia file piece issuing command of use terminal reception server of this multimedia file after, according to the instruction of server several times, initiatively set up network and be connected at every turn with the online good friend's of a part use terminal;
C3, use terminal to select some multimedia file pieces at every turn, and the data of the multimedia file piece selected are sent to the use terminal of having set up the good friend that network connects according to the concordance list of described multimedia file.
After server is received index in the present embodiment, can use buddy list in the terminal according to the user, locate these good friends' use terminal, the use terminal to this multimedia file of storage of sending instructions subsequently is to carry out the issue of file.
After the user uses terminal to receive the instruction of server, initiatively using terminal at first to set up network with online active good friend is connected, at every turn select some multimedia file pieces from setting up the good file index table before, it is that the select good friend of serviced device uses terminal equally that the data of these multimedia file pieces are sent to.Particularly, the use terminal of server controls upload file is divided the multimedia file piece of at every turn selecting 1/m for m time, sends to the good friend's of 1/n use terminal by transmission module on the blocks of files, and this uses terminal to be presence.M here and n for example can be 10, this expression is chosen 10% blocks of files at every turn and is sent to 10% good friend, exclude the blocks of files and the good friend of selected mistake when selecting, this user uses terminal by the way whole multimedia file pieces to be sent to gradually different good friends' use terminal.According to the relevant agreement of sharing of default, these all operations all are to carry out on the backstage, because the data volume of the multimedia file piece itself behind the piecemeal and little, so whole transfer of data can not exert an influence to other operations of user.When the good friend was not enough, the propagation of blocks of files was ended, and up to there being new good friend to add, propagation this moment can be restarted until termination.
By this way, user's use terminal is under connection state, while sets up network with several use terminals in the buddy list and is connected, and transmit specific multimedia file blocks of data, just be stored in behind the multimedia file blocks of data of receiving of good friend's use terminal in advance on quilt that dedicated memory of marking on the hard disk.
Whenever finish the transmission of a multimedia file piece, the index on the concordance list of this multimedia file piece correspondence of the real-time Monitoring and Update of server.Promptly after a complete multimedia file piece is finished transmission, corresponding concordance list on the index file on the update service device at once, for this multimedia file piece, this moment, same cryptographic Hash was with a plurality of different IP values of correspondence and a plurality of different memory locations.
After index is updated, server by index management module to the monitoring consciousness of concordance list to this moment same multimedia file piece be distributed on a plurality of different use terminal equipments, server can be every a period of time of after, use terminal to new good friend sends multimedia file piece issuing command simultaneously, the good friend's that this is new use terminal can be searched for the buddy list of oneself, its multimedia file piece of receiving is sent to once more on good friend's the use terminal of 1/n of oneself.
Use terminal the multimedia file piece to be published to mode on a plurality of different use terminal on its buddy list in advance with of the present invention by server controls in the mode that is similar to virus and propagates, the multimedia file piece can be on the backstage promptly with the good friend, good friend's good friend, this mode of good friend's good friend's good friend, spread, a same multimedia file piece can automatically be distributed in a plurality of use terminal equipments, be similar to the propagation of virus-type according to buddy list, and each the propagation all will be upgraded the concordance list of this document correspondence on server.At this moment, if the other side repays the insufficient space of its dedicated memory, then stop on this good friend's use terminal, transmitting blocks of files.
Simultaneously, server real-time servicing and analyze concordance list in the invention process, when the use terminal that abundant user is arranged had distributed the enough blocks of files of certain multimedia file, server just can stop above-mentioned propagation.Particularly, server monitoring in real time and analysis concordance list, when the blocks of files of certain video file leaves 500 use terminals in, because this quantity has been enough to the download service that provides good, server no longer sends the instruction of this video file of issue to corresponding use terminal, thereby stops propagating.
The instruction of the download multimedia file of step S400, use terminal receiving target user input needs the concordance list of multimedia file in download to adopt this multimedia file of P2P mode downloading and playing according to this.
Wherein, this targeted customer is meant the user that expectation is play or directly downloaded certain multimedia file, it is by using the operation of execution user in corresponding software programs interface on the terminal, multimedia file herein is meant the multimedia file that has had concordance list in server, and it is middle for user's download that the user can know which multimedia file (specifically being meant the concordance list of this multimedia file) is used terminal to upload onto the server by other by above-mentioned software program interface.This step S400 comprises at specific embodiment:
D1, when the targeted customer need play or download certain multimedia file, download the concordance list of this multimedia file correspondence from server;
D2, use the information of terminal, obtain the blocks of files of this multimedia file one by one according to the index file of concordance list;
D3, when certain blocks of files is present on a plurality of use terminals, be connected simultaneously with these a plurality of use terminals, send request of data, download this multimedia file data simultaneously from a plurality of sources.
For example, when the targeted customer will play or directly download certain video file, directly download the index of this video file correspondence from server, the user uses the information of terminal according to index file, one by one each blocks of files is downloaded by the blocks of files download module and to be obtained, at this moment, if through propagating in advance, then same blocks of files not only is present on the use terminal of former uploader this video file, and is present on other use terminals of being propagated.When certain blocks of files is present on a plurality of use terminals, targeted customer's use terminal is connected with these a plurality of use terminals simultaneously, send request of data, by this way, traditional once can only be from the pattern of a source data download, and becoming once can be from a plurality of sources while data download, and the speed of whole download can improve several times, no matter be to download or play, whole speed can be strengthened greatly.
Based on the foregoing description, multimedia file shared system of the present invention, as shown in Figure 4, its propagation management module specifically comprises:
Receiving element is used to receive the concordance list of storing multimedia; Specifically as mentioned above.
Positioning unit is used for from the friend information of the buddy list inquiring user that uses terminal, locatees the position etc. of each good friend's use terminal; Specifically as mentioned above.
Instruction sending unit is used for sending multimedia file piece issuing command to each good friend's use terminal; Specifically as mentioned above.
Control unit is used for the use terminal of this multimedia file of control store, according to the multimedia file piece issuing command of server, initiatively sets up network with online good friend's use terminal and is connected; And select some multimedia file pieces at random according to the concordance list of described multimedia file, and the data of the multimedia file piece that will select at random send to the use terminal of having set up the good friend that network connects, specifically as mentioned above.
In sum, the method of multimedia file shared system provided by the present invention and shared multimedia file thereof, use terminal multimedia blocks of files to be published on a plurality of different use terminals in advance owing to adopted server controls in the mode that is similar to the virus propagation, and server is monitored the concordance list of each multimedia file correspondence in real time, the degree of control multimedia file piece issue.When the distribution that monitors blocks of files reaches set point, control uses terminal to stop the issue of blocks of files, this moment, each blocks of files was arranged in the certain limit in advance, subsequent user can be finished the download of multimedia file at short notice, because just there are a plurality of loading source in the incipient stage, so the user can download fast.Making the user when manipulating terminal, no longer only is traditional play operation, and can also be by using terminal and friend, and the household carries out the operation of sharing of video.Share method by a kind of novel multimedia of the present invention towards virtual network, the user can finish uploading and downloading of multimedia file in the quite short time, share thereby carry out medium with the people of user's social circle like a cork, use terminal to increase the social new function of sharing in the Internet.
In addition, reduced the configuration and the maintenance cost of server, the server resource that operator need safeguard can be not a lot, because server mainly is maintenance customer's a buddy list, and index file; Mark next dedicated memory specially by that piece in the use terminal of direct use subscriber equipment, huge cloud memory device of virtual composition, and customer volume is big more, and whole service quality will be high more, improved utilization rate of network resource, provided users with the convenient.
Should be understood that application of the present invention is not limited to above-mentioned giving an example, for those of ordinary skills, can be improved according to the above description or conversion that all these improvement and conversion all should belong to the protection range of claims of the present invention.
Claims (10)
1. the method for the shared multimedia file of multimedia file shared system is characterized in that, comprises step:
A, set up buddy list by the operational order that uses terminal to receive user's input;
B, set up the dedicated memory that is used for the storing multimedia data on the terminal using, and the multimedia file that need are uploaded is carried out piecemeal become a plurality of multimedia file pieces, and create, and the concordance list of this multimedia file is uploaded onto the server at the concordance list behind this multimedia file piecemeal;
C, server receive the concordance list of this multimedia file, and control uses terminal that the multimedia file piece is published on a plurality of different use terminal on its buddy list in advance, and whenever finish the transmission of a multimedia file piece, the index on the concordance list of this multimedia file piece correspondence of the real-time Monitoring and Update of server; When the scope of release that monitors the multimedia file piece reached set point, control used terminal to stop the issue of blocks of files;
The instruction of the download multimedia file of D, use terminal receiving target user input is downloaded this multimedia file according to the concordance list of this need multimedia file in download.
2. share the method for multimedia file according to the described multimedia file shared system of claim 1, it is characterized in that described steps A specifically comprises:
A1, use terminal receive the user login information that the user imports by user interface, and send this user login information to server;
A2, after described user login information obtains server authentication and passes through, use terminal to obtain friend information from described server, and the friend information that obtains be loaded in the local buddy list by its interpolation good friend's who provides interface menu.
3. share the method for multimedia file according to the described multimedia file shared system of claim 1, it is characterized in that, the multimedia file that need are uploaded among the described step B carries out piecemeal becomes a plurality of multimedia file pieces, and create at the concordance list behind this multimedia file piecemeal, the concordance list of this multimedia file is uploaded onto the server specifically to be comprised:
B1, use the multimedia file of this locality storage that terminal uploads need to carry out piecemeal, this multimedia file from being divided into some multimedia file pieces in form, and is calculated the cryptographic Hash of each multimedia file piece correspondence;
The cryptographic Hash of each multimedia file piece correspondence that B2, basis calculate, create the concordance list of corresponding multimedia file, the index information content of concordance list comprises the cryptographic Hash of each multimedia file piece of this multimedia file, and the IP address of the residing use terminal of this multimedia file, and the memory location of this multimedia file piece on this use terminal;
B3, use terminal upload onto the server the concordance list of the multimedia file of establishment.
4. share the method for multimedia file according to the described multimedia file shared system of claim 1, it is characterized in that described step C specifically comprises step:
C1, server receive the concordance list of storing multimedia, and from the buddy list of the use terminal of storing this multimedia file the friend information of inquiring user, and the use terminal of locating each good friend, and to the use terminal transmission multimedia file piece issuing command of storing this multimedia file;
C2, store the multimedia file piece issuing command of the use terminal reception server of this multimedia file, and several times, initiatively set up network and be connected at every turn with the online good friend's of a part use terminal according to the instruction of server;
C3, use terminal to select several multimedia file pieces at every turn, and the data of the multimedia file piece selected are sent to the use terminal of having set up the good friend that network connects according to the concordance list of described multimedia file.
5. share the method for multimedia file according to the described multimedia file shared system of claim 4, it is characterized in that, described step C3 also comprises: if the other side's good friend uses terminal to return the information of the insufficient space of its dedicated memory, then stop using terminal to transmit blocks of files to this good friend.
6. share the method for multimedia file according to the described multimedia file shared system of claim 4, it is characterized in that, described step C3 also comprises: whenever finish the transmission of a multimedia file piece, the index on the concordance list of this multimedia file piece correspondence of the real-time Monitoring and Update of server.
7. share the method for multimedia file according to the described multimedia file shared system of claim 6, it is characterized in that, also comprise step after the described step C3:
C4, the concordance list of server by upgrading monitor same multimedia file piece and are distributed on the new use terminal, after waiting for a scheduled time, send multimedia file piece issuing command to described new use terminal, and return step C2;
C5, when the scope of release that server monitors the multimedia file piece reaches set point, stop the issue of blocks of files.
8. share the method for multimedia file according to the described multimedia file shared system of claim 1, it is characterized in that described step D specifically comprises:
D1, when using terminal to receive the instruction of certain multimedia file of download of targeted customer's input, download the concordance list of this multimedia file correspondence from server;
D2, use the information of terminal, obtain the blocks of files of this multimedia file one by one according to the index file of concordance list;
D3, when certain blocks of files is present on a plurality of use terminals, be connected simultaneously with these a plurality of use terminals, send request of data, download this multimedia file data simultaneously from a plurality of sources.
9. a multimedia file shared system comprises server and some use terminals, it is characterized in that described server comprises user management module, index management module and propagation management module;
Described user management module is used for being responsible for the maintenance of buddy list, information behind the new good friend who uses terminal to add is stored, and be used to provide query interface to using terminal inquiry buddy list information;
Described index management module is used for the concordance list of multimedia file is managed, and whenever finishes the transmission of a multimedia file piece, the index information on the concordance list of this multimedia file piece correspondence of real-time update; Described index information comprises: the cryptographic Hash of multimedia file piece, the IP that uses terminal and multimedia file piece are in the memory location of using on the terminal;
Described propagation management module is used for when using terminal to upload multimedia file, the concordance list of the multimedia file that the reception user uploads, and control uses terminal several times the multimedia file piece to be published in advance on its good friend's the use terminal; And be used for when the scope of release that monitors the multimedia file piece reaches set point, stop the issue of blocks of files;
Described use terminal comprises transmission module, blocks of files download module and reserved area administration module on friend information administration module, piecemeal module, the blocks of files;
Described friend information administration module, the operation that is used to receive the user carry out user's registration and good friend's inquiry, add, the management of deletion;
Described piecemeal module, the multimedia file that is used for need are uploaded carries out piecemeal, with this multimedia file from be divided into some multimedia file pieces in form, and calculate the cryptographic Hash of each multimedia file piece correspondence, and create, and this concordance list is uploaded onto the server at the concordance list behind this multimedia file piecemeal;
Transmission module on the described blocks of files is used for the multimedia file piece issuing command of reception server, and the multimedia file piece of correspondence is sent to use terminal by the selected good friend of server end;
Described blocks of files download module is used to receive the blocks of files that download instruction is downloaded multimedia file, and the downloaded files piece is deposited in the dedicated memory;
Described reserved area administration module is used to set up the dedicated memory of storing multimedia data and this dedicated memory is managed.
10. multimedia file shared system according to claim 9 is characterized in that, described propagation management module further comprises:
Receiving element is used to receive the concordance list of storing multimedia;
Positioning unit is used for locating each good friend's use terminal from the friend information of the buddy list inquiring user that uses terminal;
Instruction sending unit is used for using terminal to send multimedia file piece issuing command to each;
Control unit is used for the use terminal of this multimedia file of control store, according to the multimedia file piece issuing command of server, initiatively sets up network with online good friend's use terminal and is connected; And select several multimedia file pieces, and the data of the multimedia file piece selected are sent to the use terminal of having set up the good friend that network connects according to the concordance list of multimedia file at every turn.
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