CN101854278A - Multi-media transmission system and method in IM (Instant Messaging) - Google Patents
Multi-media transmission system and method in IM (Instant Messaging) Download PDFInfo
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Abstract
The invention provides a multi-media transmission system in IM (Instant Messaging), which is characterized by comprising a client, a P2SP server and a P2P coupling end, wherein the client is connected with an internet and is provided with an external interface used for connecting with the P2SP server and the P2P coupling end through the network and transmitting data; the client also comprises a multi-media management assembly obtaining multi-media data source through the external interface; the P2SP server is provided with a web server and a file information server, and the web server is directly connected with the client 100 through the network; the file information server and the web server are directly connected and carry out data interaction mutually; and the P2P coupling end is provided with corresponding P2P downloading port and P2P uploading port which are respectively used for downloading and uploading multi-media files by the client. The invention provides a quick-speed and effective network multi-media file transmission system and can be used for simultaneous action of multiple transport protocols to reasonable utilize the network resources.
Description
Technical field
The present invention relates to a kind of multi-media transmission system and method, relate in particular to a kind of based on multi-media transmission system and method in the instant messaging process of internet.
Background technology
Along with popularizing and the raising of network transfer speeds of broadband network, utilize Internet resources to realize that online multimedia downloads, plays and become possibility.The transmission, the broadcast that comprise multimedia messagess such as audio frequency, video also all realize.Yet, in order further to improve the resource of utilizing of existing network, the mode of various raising speeds of download is suggested, comprise P2P (Peer to Peer) mode, realize point-to-point peer-to-peer network, be that direct formation of user side and user side uploaded and download, the uploading speed of the speed of download and the other end is closely related, because the uploading speed of Chinese user is also unhappy, and some users artificial limiting uploading speed also, this has caused the shortage of uploading bandwidth resources of P2P mode, so the speed that Chinese user can generally be felt P2P more slowly.P2S (Peerto Server), to server, the user directly goes file in download to certain large-scale download site based on the user, and file storage is on Website server, so speed can be guaranteed, but still exists resource to disperse, be difficult for the problem of search.And P2SP (Peer to Server ﹠amp; Peer) based on the user to server and user's mechanism, be different from P2P, also be different from P2S, in fact to the further extension of P2P technology, it not only supports the P2P technology to the P2SP downloading mode, also server resource and P2P resource consolidation together simultaneously by searching database, in the time of the some file of user's download, can search for other resources automatically, select adequate resources to quicken, this makes on the speed of stability of downloading and download than traditional P2P very large raising has been arranged.
Chinese patent publication number CN1841983A discloses a kind of multimedia real-time broadcast ensuring system of digital home network, it is arranged in the digital home network multimedia system, to ensure the real-time and the continuity of multimedia, the service end module two large divisions who comprises the user side module that is arranged at the multimedia home appliance and be arranged at the multimedia service center, described user side module and service end module are dynamically adjusted the data that the multimedia service center is sent to the multimedia home appliance by feedback data packet.
Chinese patent publication number CN1652602 discloses a kind of multi-media server system and method for servicing thereof that utilizes network, it is by the satisfactory broadcast program of network REC the time, recorded content is not managed by the user, when requiring audiovisual network broadcast program, with reference to the recorded content information that has stored, relevant broadcast program is offered user's main frame by network; Then, the broadcast program by network and above-mentioned main frame connection request customer requirements makes video recording and at least more than one client computer of audiovisual.
Yet utilizing under the situation of existing Internet resources realizing further convenient and network multimedia transmission apace, and to the integration and the rule utilization of various transmission meanss, still neither one settling mode preferably.
Summary of the invention
The present invention fasterly effectively in conjunction with multiple transmission means, and the multi-media transmission system that can integrate in immediate communication tool, and can effectively utilize the condition of existing network in order to provide a kind of, realizes safe, the quick transmission of multimedia file.
To achieve these goals, technical scheme of the present invention is as follows:
The invention provides the multi-media transmission system in a kind of instant messaging, wherein, comprise client (100), P2SP server end (200) and P2P link (300);
User side (100) is communicated with the internet, and has an external interface (110), is used for linking to each other with P2P link (300) and mutual transmission data by network and P2SP server end (200); Also comprise a multimedia administration assembly (120), obtain the multi-medium data source by external interface (110);
P2SP server end (200) has a web server (210) and fileinfo server (220), and web server (210) directly is connected with client 100 by network; Fileinfo server (220) directly links to each other with Web server (210), and the line data of going forward side by side is mutual;
P2P link (300) has corresponding P2P download port (230) and P2P upwards transmission port (240), is respectively applied for client (100) and downloads and upload multimedia file.
Multi-media transmission system in the above-mentioned instant messaging, wherein, described client (100) also comprises a multimedia control assembly (130), is connected by multimedia administration assembly (120), and is instructed to be used to play chosen multimedia file.
Multi-media transmission system in the above-mentioned instant messaging, wherein, described fileinfo server (220) is connected with P2P upwards transmission port (240) with the P2P download port (230) of P2P link (300), and calls P2P port and fileinfo, offers client (100).
Multi-media transmission system in the above-mentioned instant messaging, wherein, described fileinfo server (220) is connected by the loop that is different from Web server with the external interface (110) of client (100), and client (220) is inquiry file information server (220) directly.
Multi-media transmission system in the above-mentioned instant messaging, wherein, a plurality of network terminals that provide based on the transmission of P2P document of agreement are provided for described P2P download port (230) and P2P upwards transmission port (240).
Multi-media transmission system in the above-mentioned instant messaging, wherein, described client is a terminal, the described network terminal is the terminal with the same type of client (100).
The operational process of the multi-media transmission system in the instant messaging of the present invention is opened multimedia administration assembly (120) from the user of client (100), comprises the steps:
Step 1. inquiry local cache judges whether required download transmitting multimedia file hits local cache;
Behind the miss local cache of step 2., the inquiry file server, client (100) is connected with Web server (210) by external interface (110) and then is connected to fileinfo server (220), by the inquiry file information server, to obtain corresponding P2P fileinfo.
Step 3. is found associated documents information, carries out http protocol and P2P agreement download transmission simultaneously by Web server (210) and P2P link (300);
After step 4. download transmission is finished, carry out a verification,, after the verification succeeds, then finish download to guarantee that described multimedia file integration is intact and can play for fileinfo.
The operational process of the multi-media transmission system in the above-mentioned instant messaging wherein, in step 1, if hit local cache, is then directly finished download.
The operational process of the multi-media transmission system in the above-mentioned instant messaging wherein, in step 3, if do not find associated documents information, is then only extracted corresponding multimedia file by Web server (210) and is carried out HTTP download transmission to client (100).
The operational process of the multi-media transmission system in the above-mentioned instant messaging wherein, in step 4, if the verification failure then reports to Web server with corresponding fileinfo, is prompted to client (100) with the result by Web server, and finishes download.
Effect of the present invention is:
1. a kind of transmission system of network multimedia file fast and effectively is provided, and has can be used in multiple transport protocols and act on simultaneously, made Internet resources rationally be utilized.
2. network multimedia file transmission system of the present invention has realized the transmission means of P2SP, thereby makes transmission speed significantly improve.
3. network multimedia file transmission system of the present invention, the host-host protocol of employing P2P assigns to transmit by multimedia file being divided into multi-section, integrates in client (100) again, can realize downloading simultaneously and playing.
Description of drawings
Multi-media transmission system in Fig. 1 instant messaging of the present invention is formed module map;
The composition module map of another embodiment of multi-media transmission system in Fig. 2 instant messaging of the present invention;
The flowchart of the multi-media transmission system in Fig. 3 instant messaging of the present invention.
Embodiment
Referring to accompanying drawing 1, form module map for the multi-media transmission system in the instant messaging of the present invention, comprise client 100, P2SP server end 200 and P2P link 300.Wherein, client 100 can be communicated with network, and has an external interface 110, be used for linking to each other with P2P link 300 and mutual transmission data by network and P2SP server end 200, also comprise a multimedia administration assembly 120, obtain the multi-medium data source by external interface 110, and can be further from Web server, obtain corresponding fileinfo, realize functions such as inquiry, tabulation, information demonstration.P2SP server end 200 has a web server 210 and fileinfo server 220, wherein web server 210 directly is connected with client 100 by network, and specifically think that with the form of the web page client provides information, the multimedia administration assembly 120 of client 100, can connect the inner Web of the embedding page by network, and load ActiveX control directly to realize obtaining and playing of multimedia sources from Web server.Simultaneously, client 100 can obtain the multimedia document information tabulation by Web server, so that select corresponding multi-medium data to transmit from tabulation.And the multimedia administration assembly can be realized the management to the multimedia document information tabulation, as reads, revises, deletes corresponding fileinfo list content.In addition, fileinfo server 220 directly links to each other with Web server 210, and can carry out data interaction, fileinfo server 220 is used to preserve the relevant information of multimedia data file, comprise the memory location, link information, multimedia data file essential information etc.Simultaneously, file server can be according to the multimedia data file of client 100 required extractions, inquire about its relevant information, and the corresponding P2P download port 230 of P2P link 300 and the link information of P2P upwards transmission port 240 be sent to client 100, and then help client to set up the P2P connection, described P2P download port 230 can be one or more different terminals that are connected with P2P link 300, is used for the part that hitherward client 100 provides same multimedia file; And P2P upwards transmission port 240 can be one or more different terminals that are connected with P2P link 300, and a part that is used for multimedia file that client 100 places have been downloaded to is transmitted to other-end.Simultaneously, be connected respectively with P2P upwards transmission port 240 with P2P download port 230, so client 100 is equally also as a terminal in the connection tabulation of P2P link because client 100 is passed through external interface 110.
Because client 100 can be obtained multi-medium data by Web server on the P2SP server end 200 210 and P2P link 300 simultaneously, and the mode that adopts the many parts with identical file be similar to P2P to download respectively and integrate improves the extraction rate of multimedia (as audio frequency, video etc.) data, guaranteed the safety and effectiveness of data extract simultaneously again.
Module for described P2SP server end 200 can also comprise database, standby Web server etc., so that the data of storage are protected better.
Referring to Fig. 2, composition module map for another embodiment of multi-media transmission system in the instant messaging of the present invention, its difference mainly is, the external interface 110 of client 100 can directly link to each other with the fileinfo server 220 of P2SP server end 200 by the network link circuit of immediate communication tool, after the order that obtains the transmitting multimedia file, after multimedia administration assembly 120 preliminary verifications the through client 100, directly inquire about, open connection of relevant Web server and P2P and connect by fileinfo server 220.Thereby improved the speed of file search and download.
Referring to accompanying drawing 3, flowchart for the multi-media transmission system in the instant messaging of the present invention, according to the operation method in the multi-media transmission system in the instant messaging of the present invention, its user from client 100 opens multimedia administration assembly 120, and order is carried out following operation:
Step 1. inquiry local cache, whether promptly this time operate needed multimedia file by multimedia administration assembly 120 at client downloaded files or corresponding buffer memory position enquiring exists, as hit local cache, be that described multimedia file exists, then directly finish downloading process, and play the multimedia file in the buffer memory.
Step 2. inquiry file server, if miss local cache, be that described multimedia file does not exist in client, then client 100 is connected with Web server by external interface 110 and then is connected to fileinfo server 220, or directly be connected with fileinfo server 220, by the inquiry file information server, in the hope of obtaining corresponding P2P fileinfo.
If step 3a. does not find relevant fileinfo, then the information with this multimedia file directly feeds back to Web server 210, and carries out HTTP by Web server 210 to client 100 and download transmission.
Step 4a. is to be downloaded finish after, associated documents information is reported to Web server 210, and gives client 100, and finish download results suggest.
If step 3b. finds associated documents information, then carry out http protocol and P2P agreement download transmission simultaneously by Web server 210 and P2P link 300.
After step 4b. download transmission is finished, carry out a verification,, after the verification succeeds, then finish download to guarantee that described multimedia file integration is intact and can play for fileinfo.
Step 4c. download transmission if the verification failure then reports to Web server with corresponding fileinfo, is prompted to client 100 with the result by Web server after finishing, and finishes download subsequently.
The file that file of finishing for download or part are finished, multimedia administration assembly 120 notice multimedia control assemblys 130 are play accordingly.Can play smoothly for the ease of the file that part is finished, in the multi-medium data transmission course, also need to be optimized, promptly preferentially obtain with the data slot at composition file beginning position and in order to realize needed other part fragments of multimedia file broadcast, and in playing process, continue to open external interface 110, constantly accept multi-medium data in order,, finish until downloading transmission fully to replenish the part that is about to broadcast.
If multimedia control assembly 130 can not be play transmitting the multimedia file that deposits in the client-cache, then suspend the broadcast process, till the file part of transmission can reach the requirement of broadcast.
After the part multi-medium data transfers to client 100 by Web server or P2P download port 230, corresponding P2P upwards transmission port 240 also begins to obtain the data file that is stored in the buffer memory from the external interface 110 of client, and offers the other-end of P2P link 300.
For adopting http protocol from the downloading process that Web server carries out, it can also adopt udp protocol or File Transfer Protocol to transmit.
Multi-media transmission system of the present invention can also pass through the immediate communication tool port, directly links to each other with the fileinfo server, so that obtain multimedia document information quickly, finishes download, realizes online glibly playing function.
Multi-media transmission system of the present invention except being used for the transmission of existing multimedia file, also can promptly provide a kind of rapid and reliable transmission means of file as the transmission of ordinary file.
By the multi-media transmission system in the instant messaging of the present invention, can finish the transmission of corresponding information content faster and betterly, and realize online multimedia.And, because compatible P2P of while and various protocols such as HTTP, UDP also can be saved Internet resources greatly, do not need to drop into too much server apparatus, just can increase substantially the network multimedia transmission speed.Also according to human oriented design, make client can obtain corresponding information more quickly and effectively simultaneously.
As mentioned above; be the preferred embodiment of the present invention, yet should be pointed out that on basis of the present invention; the variation that any conventional change of making and those skilled in the art can make under the situation of not paying creative work also should fall within protection scope of the present invention.
The little assistant's interface internal of music embeds the Web page, and its inner activex control realization music source that loads is obtained and play.Music searching and tabulation obtain by Web server.
User's the nearest broadcast and the music list of collection, the mode by Web obtains from server, and the user can upgrade the music list (add new music, change the grouping at music place etc.) of oneself collection by the little assistant's of music operation interface.Music source is obtained by Web and P2P mode.The obtaining of music source comprises that mainly the P2P file uploads, the fileinfo inquiry, and the P2SP file is downloaded three functions.Three functions are by music file and downloading task message file interaction data.Modular construction is as figure;
Claims (10)
1. the multi-media transmission system in the instant messaging is characterized in that, comprises client (100), P2SP server end (200) and P2P link (300);
User side (100) is communicated with the internet, and has an external interface (110), is used for linking to each other with P2P link (300) and mutual transmission data by network and P2SP server end (200); Also comprise a multimedia administration assembly (120), obtain the multi-medium data source by external interface (110);
P2SP server end (200) has a web server (210) and fileinfo server (220), and web server (210) directly is connected with client 100 by network; Fileinfo server (220) directly links to each other with Web server (210), and the line data of going forward side by side is mutual;
P2P link (300) has corresponding P2P download port (230) and P2P upwards transmission port (240), is respectively applied for client (100) and downloads and upload multimedia file.
2. the multi-media transmission system in the instant messaging as claimed in claim 1, it is characterized in that, described client (100) also comprises a multimedia control assembly (130), is connected by multimedia administration assembly (120), and is instructed to be used to play chosen multimedia file.
3. the multi-media transmission system in the instant messaging as claimed in claim 1, it is characterized in that, described fileinfo server (220) is connected with P2P upwards transmission port (240) with the P2P download port (230) of P2P link (300), and call P2P port and fileinfo, offer client (100).
4. the multi-media transmission system in the instant messaging as claimed in claim 1, it is characterized in that, described fileinfo server (220) is connected by the loop that is different from Web server with the external interface (110) of client (100), and client (220) is inquiry file information server (220) directly.
5. the multi-media transmission system in the instant messaging as claimed in claim 1 is characterized in that, a plurality of network terminals that provide based on the transmission of P2P document of agreement are provided for described P2P download port (230) and P2P upwards transmission port (240).
6. the multi-media transmission system in the instant messaging as claimed in claim 5 is characterized in that, described client is a terminal, and the described network terminal is the terminal with the same type of client (100).
7. the multimedia transmission method in the instant messaging is characterized in that, opens multimedia administration assembly (120) from the user of client (100), comprises the steps:
Step 1. inquiry local cache judges whether required download transmitting multimedia file hits local cache;
Behind the miss local cache of step 2., the inquiry file server, client (100) is connected with Web server (210) by external interface (110) and then is connected to fileinfo server (220), by the inquiry file information server, to obtain corresponding P2P fileinfo.
Step 3. is found associated documents information, carries out http protocol and P2P agreement download transmission simultaneously by Web server (210) and P2P link (300);
After step 4. download transmission is finished, carry out a verification,, after the verification succeeds, then finish download to guarantee that described multimedia file integration is intact and can play for fileinfo.
8. the multimedia transmission method in the instant messaging as claimed in claim 7 is characterized in that, in step 1, if hit local cache, then directly finishes download.
9. the multimedia transmission method in the instant messaging as claimed in claim 7, it is characterized in that, in step 3,, then only extract corresponding multimedia file and carry out HTTP download transmission to client (100) by Web server (210) if do not find associated documents information.
10. the multimedia transmission method in the instant messaging as claimed in claim 7 is characterized in that, in step 4, if verification failure, then corresponding fileinfo is reported to Web server, the result is prompted to client (100) by Web server, and finishes download.
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