CN103237037B - Based on the media format conversion method and system of cloud computing framework - Google Patents
Based on the media format conversion method and system of cloud computing framework Download PDFInfo
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Abstract
Embodiments provide a kind of media format conversion method and system based on cloud computing framework.The method mainly comprises: build the transcoding platform based on cloud computing framework at network side, and what transcoding platform reception client browser was submitted to needs the media file carrying out format conversion, media file is divided into multiple sub-media file; According to the task regulating strategy of setting, from the transcoding server cluster transcoding platform, select multiple transcoding server, each transcoding server carries out format conversion to a sub-media file respectively, obtains a sub-media file of transcoding.Sub-for each transcoding media file is merged, obtains the transcoding media file of media file, transcoding media file is returned to client browser.The embodiment of the present invention efficiently solves the transfer problem between various video format, decreases the transcoding time, solves large video file, problem that multiple video file format changes length consuming time.
Description
Technical field
The present invention relates to media format conversion field, particularly relate to a kind of media format conversion method and system based on cloud computing framework.
Background technology
Along with the development of science and technology and the continuous progress of video technique, the code/decode format of video is constantly weeded out the old and bring forth the new, and video is more and more clear, and the encoding and decoding time is shorter and shorter, and the data volume of video is increasing.In order to meet the Consumer's Experience of different hardware equipment, individual PC(personalcomputer, personal computer), the mobile terminal device such as mobile phone, Pad has corresponding video format.Therefore, present video format is of a great variety, up to the present, has the video source form more than 500 kinds.Using in given hardware device to meet video file, with regard to needing the conversion this video being carried out to video format, converting the video format that given hardware device needs to.Therefore, developing a kind of method of carrying out high efficiency format conversion to video file is a problem demanding prompt solution.
Of the prior artly a kind ofly to the method that video file carries out format conversion be: by video format conversion software design patterns individual PC, as the local application of individual PC.Individual PC utilize above-mentioned conversion software carry out format conversion to video file.
Above-mentioned shortcoming of video file being carried out to the method for format conversion of the prior art is: current video format conversion software is all only change for some video format mostly, can not support the conversion of all video formats, wherein some video format conversion software also has particular/special requirement to operating system.When the video file needing to carry out format conversion is larger, the video format conversion software in above-mentioned individual PC needs long time just can complete format conversion operation.Progressively popularizing especially at HD video, in the epoch of the explosive growth of video, the time of format conversion has arrived intolerable stage.
Summary of the invention
The embodiment provides a kind of media format conversion method and system based on cloud computing framework, to realize carrying out format conversion effectively to media file.
Based on a media format conversion method for cloud computing framework, build the transcoding platform based on cloud computing framework at network side, described method specifically comprises:
What described transcoding platform reception client browser was submitted to needs the media file carrying out format conversion, and described media file is divided into multiple sub-media file;
According to the task regulating strategy of setting, from the transcoding server cluster described transcoding platform, select multiple transcoding server, each transcoding server carries out format conversion to a described sub-media file respectively, obtains a sub-media file of transcoding;
Sub-for each transcoding media file is merged, obtains the transcoding media file of described media file, described transcoding media file is returned to described client browser.
A kind of media format conversion system based on cloud computing framework, be included in cloud computing framework and the transcoding platform of network side structure, described transcoding platform builds based on described cloud computing framework, and described transcoding platform specifically comprises: web application server, cluster management server, transcoding server cluster and file division/merging server cluster;
Described web application server, for receiving the media file needing to carry out format conversion that client browser is submitted to, sends to cluster management server by described media file;
Described cluster management server, carries out dividing processing for selecting from described file division/merging server cluster to described media file, the sub-media file of each transcoding after format conversion is carried out to the file division/merging server of merging treatment; According to the task regulating strategy of setting, from described transcoding server cluster, each sub-media file after to dividing processing is selected to carry out multiple transcoding servers of format conversion processing; The transcoding media file obtained after merging the sub-media file of each transcoding is returned to described client browser;
Described file division/merging server cluster, comprise multiple parallel file division/merging server, the file division selected by described cluster management server/merging server carries out dividing processing to described media file to obtain multiple sub-media file, carries out merging treatment obtain transcoding media file to the sub-media file of each transcoding after format conversion, and described multiple sub-media file, transcoding media file are sent to described cluster management server;
Described transcoding server cluster, comprise multiple parallel transcoding server, each transcoding server in the multiple transcoding servers selected by described cluster management server carries out format conversion to a described sub-media file respectively, obtain a sub-media file of transcoding, sub-for all transcodings media file is sent to described cluster management server.
The technical scheme provided as can be seen from the embodiment of the invention described above, the embodiment of the present invention is by building the transcoding platform based on cloud computing framework, by use abundant based on cloud infrastructure services can the plugin library of dynamic management, efficiently solve the transfer problem between various video format; By using B/S browser model, solve the problem that video format conversion needs to find and install various application program, user can not need to install the conversion that various software can realize video file format; Meanwhile, by distributing the parallel processing manner that multiple transcoding server carries out format conversion to multiple video file, greatly reduce the transcoding time, solve large video file, problem that multiple video file format changes length consuming time.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The overall structure schematic diagram of a kind of distributed cloud computing framework that Fig. 1 provides for the embodiment of the present invention;
The concrete process chart of a kind of media format conversion method based on cloud computing that Fig. 2 provides for the embodiment of the present invention;
A kind of media format conversion system based on cloud computing framework that Fig. 3 provides for the embodiment of the present invention two, concrete structure schematic diagram;
The concrete structure schematic diagram of a kind of transcoding platform that Fig. 4 provides for the embodiment of the present invention two.
Embodiment
For ease of the understanding to the embodiment of the present invention, be further explained explanation below in conjunction with accompanying drawing for several specific embodiment, and each embodiment does not form the restriction to the embodiment of the present invention.
Embodiment one
The overall structure schematic diagram of a kind of distributed cloud computing framework that this embodiment provides as shown in Figure 1, comprises three parts: cloud infrastructure services (IaaS), cloud platform service (PaaS), cloud software service (SaaS).
IaaS refers to that cloud computing framework supplier can provide the basic resource of the measurable calculating of same granularity, storage, the cloud computing such as network and single-set operation system to user, user in the deploy of IaaS or can run various software, comprises client operating system and applied business.User does not need the infrastructure managing or control any cloud computing, comprises network, server, operating system, storage etc.In IaaS, the computational resource of all different manufacturers different model equipment, storage resources, Internet resources are carried out unified resource virtualizing, and it is the basis of PaaS.
PaaS refers to cloud computing framework supplier using the development environment of business software, running environment as one service, submits to user by the Internet.PaaS needs to be structured on IaaS, is the bridge connecting IaaS and SaaS.Create oneself service application under the development environment that user can provide at PaaS, and directly can run the business of oneself in the running environment of cloud computing system.PaaS is the management platform of a distributed environment, it can control " application code " distribution in IaaS and issue, there is provided the running environment architecture of " application code ", distributing network request is to correct " application program " and quotas administered.It is the language support be implemented on running environment architecture.
SaaS refers to that cloud computing framework operator is by the Internet, provides a kind of software application pattern of service application service to user.Traditional software is built directly on hardware device, and many tenants that can not realize backstage resource share, and also cannot realize the dynamic circulation of resource.SaaS requires that these software operations operate in cloud platform services layer or are structured on cloud infrastructure layer.The advantage of SaaS, be embodied in the dynamic retractility of backstage resource with in circulation, resource scalability is stronger, and this significant advantage is not available for traditional software.
Based on above-mentioned cloud computing framework, the concrete handling process of a kind of media format conversion method based on cloud computing that this embodiment provides as shown in Figure 2, comprises following treatment step:
Step 21, build transcoding platform based on cloud computing framework, described transcoding platform comprises web application server, cluster management server, transcoding server cluster, file division/merging server cluster and plug-in management server.
The embodiment of the present invention builds transcoding platform based on described cloud computing framework, and described transcoding platform comprises web application server, cluster management server, transcoding server cluster, file division/merging server cluster and plug-in management server.Above-mentioned cluster management server is connected with web application server, transcoding server cluster, file division/merging server cluster, and above-mentioned transcoding server cluster, file division/merging server cluster is connected with plug-in management server.
Above-mentioned web application server, cluster management server, transcoding server cluster, file division/merging server cluster and plug-in management server can regard a kind of SaaS built based on IaaS, the PaaS in described cloud computing framework as.
Described web application server, for the media file needing to carry out format conversion that receives client browser and submit to and conversion parameter corresponding to media file, returns the media file after conversion to client browser.
Described cluster management server is used for store media files, selects to merge described media file, splits, the server of transcoding process.
Described file division/merging server cluster is used for splitting and merging treatment media file.
Described transcoding server cluster is used for carrying out format conversion processing to media file.
Described plug-in management server carries out the various plug-in units of media file segmentation/merging, media file format conversion for managing, plug-in management server can be inquired about based on each basic resource in the IaaS in above-mentioned cloud computing framework, increase, deletes, upgrades plug-in unit dynamically.
All servers, in same local area network (LAN), use cluster outer net to carry out communicating between server.Cluster server all configures double netcard, and one of them network is used for cluster outer net, and another network interface card is used for cluster Intranet, for intra cluster communication.
Step 22, Web Application Server receive the media file that client browser is submitted to, and cluster management server selects idle file division/merging server according to the size of data of media file, carries out dividing processing to above-mentioned media file.
Web Application Server in above-mentioned transcoding platform, be responsible for the upload and download of user video file and the setting of user's conversion parameter, it is the interface of the input and output of user, adopts B/S(browser/server) pattern, user is without the need to installing any software, as long as use browser.
Described Web Application Server receives the media file needing to carry out format conversion that client browser submits to and conversion parameter corresponding to this media file, and this conversion parameter comprises object format information (such as avi, mp4, the wmv etc. of media file.), the media file received and conversion parameter corresponding to this media file be transferred to cluster management server by the described Web Application Server such as resolution, audio/video coder, frame per second of video, media file and conversion parameter corresponding to this media file are carried out association store by this cluster management server.
File division/merging the server of multiple parallel distributed is comprised at above-mentioned file division/merging server cluster, above-mentioned multiple file division/merging server is divided into different ranks according to the capacity of water of segmentation/merging media file, the size of data scope of the media file that file division/merging server correspondence is certain of each rank.
Above-mentioned cluster management server is according to the above-mentioned size of data needing the media file carrying out format conversion, select the file division/merging server of the free time of corresponding level, the file division task matching of above-mentioned media file is given the file division/merging server of above-mentioned selection.
File division/merging the server of above-mentioned selection obtains the various plug-in units carried out required for media file segmentation from plug-in management server, utilize this various plug-in unit to carry out dividing processing to above-mentioned media file, each sub-media file after dividing processing is sent to above-mentioned cluster management server.
Step 23, cluster management server select idle multiple transcoding servers according to the current load value of transcoding server, carry out dividing processing to above-mentioned media file.
Above-mentioned transcoding server cluster comprises the transcoding server based on cloud computing framework of multiple parallel distributed, described cluster management server calculates the current load value of the transcoding server of each free time in above-mentioned transcoding server cluster, and specific formula for calculation can be as follows:
Load value=k1*cpu use amount+k2* processor performance+k3* internal memory surplus+k4* the bandwidth resources of transcoding server.
The weights of described k1 corresponding to cup use amount, the weights of described k2 corresponding to processor performance, the weights of described k3 corresponding to internal memory surplus, the weights of described k4 corresponding to bandwidth resources.
If the quantity of the sub-media file after above-mentioned dividing processing is M, M the transcoding server that described cluster management server selects current load value minimum, distributes the format conversion task of a sub-media file to each transcoding server.
An above-mentioned M transcoding server obtains the various plug-in units carried out required for media file format conversion from plug-in management server, utilize this various plug-in unit to carry out format conversion processing based on above-mentioned conversion parameter to each sub-media file, the sub-media file of each transcoding after format conversion processing is sent to above-mentioned cluster management server.
Step 24, cluster management server select idle file division/merging server according to the size of data of the sub-media file of each transcoding after format conversion processing, carry out merging treatment to above-mentioned media file.
Above-mentioned cluster management server is according to the size of data of the sub-media file of each transcoding after above-mentioned format conversion processing, select the file division/merging server of the free time of corresponding level, the Piece file mergence task matching of the sub-media file of each transcoding above-mentioned is given the file division/merging server of above-mentioned selection.
File division/merging the server of above-mentioned selection obtains the various plug-in units carried out required for media file merging from plug-in management server, utilize this various plug-in unit to carry out merging treatment to the sub-media file of each transcoding above-mentioned, the transcoding media file after merging treatment is sent to above-mentioned cluster management server.
Transcoding media file after above-mentioned merging treatment is sent to above-mentioned client browser by step 25, above-mentioned cluster management server.
Embodiment two
This embodiment offers a kind of media format conversion system based on cloud computing framework, its concrete structure is included in cloud computing framework and the transcoding platform of network side structure as shown in Figure 3, and described transcoding platform builds based on described cloud computing framework.
Described cloud computing framework comprises: cloud infrastructure services, cloud platform service, cloud software service, described cloud infrastructure services comprises calculating for what provide to user, store, network and single-set operation system are at the various basic resources of interior cloud computing, described cloud platform service is implemented on described cloud infrastructure services, for providing the development environment of business software to user, running environment, with the service application making user create and run oneself in described cloud computing framework, described cloud software service is implemented on described cloud platform service, for providing service application service by the Internet to user.
Concrete, the concrete structure of a kind of transcoding platform that this embodiment provides as shown in Figure 4, specifically comprise: web application server 41, cluster management server 42, transcoding server cluster 43, file division/merging server cluster 44 and plug-in management server 45, above-mentioned cluster management server is connected with web application server, transcoding server cluster, file division/merging server cluster, and above-mentioned transcoding server cluster, file division/merging server cluster is connected with plug-in management server.
Described web application server 41, for receiving the media file needing to carry out format conversion that client browser is submitted to, sends to cluster management server by described media file;
Described cluster management server 42, carries out dividing processing for selecting from described file division/merging server cluster to described media file, the sub-media file of each transcoding after format conversion is carried out to the file division/merging server of merging treatment; According to the task regulating strategy of setting, from described transcoding server cluster, each sub-media file after to dividing processing is selected to carry out multiple transcoding servers of format conversion processing; The transcoding media file obtained after merging the sub-media file of each transcoding is returned to described client browser;
Described file division/merging server cluster 43, comprise multiple parallel file division/merging server, the file division selected by described cluster management server/merging server carries out dividing processing to described media file to obtain multiple sub-media file, carries out merging treatment obtain transcoding media file to the sub-media file of each transcoding after format conversion, and described multiple sub-media file, transcoding media file are sent to described cluster management server;
Described transcoding server cluster 44, comprise multiple parallel transcoding server, each transcoding server in the multiple transcoding servers selected by described cluster management server carries out format conversion to a described sub-media file respectively, obtain a sub-media file of transcoding, sub-for all transcodings media file is sent to described cluster management server.
Described plug-in management server 45, for managing the various plug-in units carrying out media file segmentation/merging, media file format conversion, dynamically inquiring about based on each basic resource in the cloud infrastructure services in described cloud computing framework, increase, delete, upgrading plug-in unit.
Concrete, described cluster management server 42, also for the multiple file division/merging server in described file division/merging server cluster is divided into different ranks according to the capacity of water of segmentation/merging media file, according to the described size of data needing the media file carrying out format conversion, select the file division/merging server of the free time of corresponding level, the file division task matching of described media file is given the file division/merging server of described selection;
File division/merging the server of described selection, also for obtaining the various plug-in units carrying out media file segmentation from plug-in management server, utilize this various plug-in unit to carry out dividing processing to described media file, each the sub-media file obtained after dividing processing is sent to above-mentioned cluster management server.
Concrete, described cluster management server 42, also for calculating the current load value of the transcoding server of each free time in described transcoding server cluster, specific formula for calculation can be as follows:
Load value=k1*cpu use amount+k2* processor performance+k3* internal memory surplus+k4* the bandwidth resources of transcoding server;
The weights of described k1 corresponding to cpu use amount, the weights of described k2 corresponding to processor performance, the weights of described k3 corresponding to internal memory surplus, the weights of described k4 corresponding to bandwidth resources;
If the quantity of the sub-media file after described dividing processing is M, M the transcoding server selecting current load value minimum, distributes the format conversion task of a sub-media file to each transcoding server;
M described transcoding server, also for obtaining the various plug-in units carrying out media file format conversion from plug-in management server, utilize this various plug-in unit to carry out format conversion processing based on described conversion parameter to each sub-media file, the sub-media file of each transcoding after format conversion processing is sent to described cluster management server.
Concrete, described cluster management server 42, also for the size of data according to the sub-media file of each transcoding after described format conversion processing, select the file division/merging server of the free time of corresponding level, the Piece file mergence task matching of the sub-media file of each transcoding described is given the file division/merging server of described selection, the transcoding media file after described merging treatment is sent to described client browser.
File division/merging the server of described selection, for obtaining the various plug-in units carrying out media file merging from plug-in management server, utilize this various plug-in unit to carry out merging treatment to the sub-media file of each transcoding described, the transcoding media file after merging treatment is sent to described cluster management server.
One of ordinary skill in the art will appreciate that: accompanying drawing is the schematic diagram of an embodiment, the module in accompanying drawing or flow process might not be that enforcement the present invention is necessary.
One of ordinary skill in the art will appreciate that: the module in the equipment in embodiment can describe according to embodiment and be distributed in the equipment of embodiment, also can carry out respective change and be arranged in the one or more equipment being different from the present embodiment.The module of above-described embodiment can merge into a module, also can split into multiple submodule further.
With the system of the embodiment of the present invention carry out based on the detailed process of the media format conversion of cloud computing framework and preceding method embodiment similar, repeat no more herein.
In sum, the embodiment of the present invention by building based on the transcoding platform of cloud computing framework, by use abundant based on cloud infrastructure services can the plugin library of dynamic management, efficiently solve the transfer problem between various video format; By using B/S browser model, solve the problem that video format conversion needs to find and install various application program, user can not need to install the conversion that various software can realize video file format; Simultaneously, remerge by first decomposing rear transcoding for long large files consuming time, the parallel processing manner that multiple transcoding server carries out format conversion is distributed to multiple video file, greatly reduce the transcoding time, solve large video file, problem that multiple video file format changes length consuming time.
The embodiment of the present invention is by using the framework of cloud computing, and solving video format conversion needs to drop into fixing hardware, software cost problem.Support the transcoding of current all video formats, and support to convert any one form of specifying to, powerful encoding and decoding storehouse, backstage provides powerful support, and reasonable extendible architecture design is that the transcoding of emerging video format provides powerful guarantee.User only needs to use browser to realize format conversion, finds without the need to going again and installs various switching software.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (10)
1. based on a media format conversion method for cloud computing framework, it is characterized in that, build the transcoding platform based on cloud computing framework at network side, described method specifically comprises:
What described transcoding platform reception client browser was submitted to needs the media file carrying out format conversion, and described media file is divided into multiple sub-media file;
According to the task regulating strategy of setting, from the transcoding server cluster described transcoding platform, select multiple transcoding server, each transcoding server carries out format conversion to a described sub-media file respectively, obtains a sub-media file of transcoding;
Sub-for each transcoding media file is merged, obtains the transcoding media file of described media file, described transcoding media file is returned to described client browser,
The described task regulating strategy according to setting, multiple transcoding server is selected from the transcoding server cluster described transcoding platform, each transcoding server carries out format conversion to a described sub-media file respectively, obtains a sub-media file of transcoding, comprising:
Described cluster management server calculates the current load value of the transcoding server of each free time in described transcoding server cluster, and specific formula for calculation can be as follows:
Load value=k1*cpu use amount+k2* processor performance+k3* internal memory surplus+k4* the bandwidth resources of transcoding server;
The weights of described k1 corresponding to cpu use amount, the weights of described k2 corresponding to processor performance, the weights of described k3 corresponding to internal memory surplus, the weights of described k4 corresponding to bandwidth resources;
If the quantity of the sub-media file after described dividing processing is M, M the transcoding server that described cluster management server selects current load value minimum, distributes the format conversion task of a sub-media file to each transcoding server.
2. the media format conversion method based on cloud computing framework according to claim 1, is characterized in that, described arranges transcoding platform based on cloud computing framework at network side, comprising:
Cloud computing framework is built at network side, described cloud computing framework comprises: cloud infrastructure services, cloud platform service, cloud software service, described cloud infrastructure services comprises calculating for what provide to user, store, network and single-set operation system are at the various basic resources of interior cloud computing, described cloud platform service is implemented on described cloud infrastructure services, for providing the development environment of business software to user, running environment, with the service application making user create and run oneself in described cloud computing framework, described cloud software service is implemented on described cloud platform service, for providing service application service by the Internet to user,
Transcoding platform is built based on described cloud computing framework, described transcoding platform comprises web application server, cluster management server, transcoding server cluster, file division/merging server cluster and plug-in management server, described web application server is for the media file needing to carry out format conversion that receives client browser and submit to and conversion parameter corresponding to media file, the transcoding media file after format conversion is returned to client browser, described cluster management server is used for selecting to merge described media file, segmentation, the server of transcoding process, described plug-in management server is used for management and carries out media file segmentation/merging, various plug-in units required for media file format conversion, dynamically inquire about based on each basic resource in the cloud infrastructure services in described cloud computing framework, increase, delete, upgrade plug-in unit.
3. the media format conversion method based on cloud computing framework according to claim 2, it is characterized in that, what described transcoding platform reception client browser was submitted to needs the media file carrying out format conversion, described media file is divided into multiple sub-media file, comprises:
Described web application server receives the media file needing to carry out format conversion that client browser submits to and conversion parameter corresponding to this media file, and described media file and conversion parameter are transferred to cluster management server;
Multiple file division/merging server in described file division/merging server cluster is divided into different ranks according to the capacity of water of segmentation/merging media file by described cluster management server, according to the size of data of described media file, select the file division/merging server of the free time of corresponding level, the file division task matching of described media file is given the file division/merging server of described selection;
File division/merging the server of described selection obtains the various plug-in units carried out required for media file segmentation from plug-in management server, utilize this various plug-in unit to carry out dividing processing to described media file, each the sub-media file obtained after dividing processing is sent to described cluster management server.
4. the media format conversion method based on cloud computing framework according to claim 3, is characterized in that,
A described M transcoding server obtains the various plug-in units carried out required for media file format conversion from plug-in management server, utilize this various plug-in unit to carry out format conversion processing based on described conversion parameter to each sub-media file and obtain the sub-media file of transcoding, sub-for each transcoding media file is sent to described cluster management server.
5. the media format conversion method based on cloud computing framework according to claim 4, it is characterized in that, described merges sub-for each transcoding media file, obtains the transcoding media file of described media file, described transcoding media file is returned to described client browser, comprising:
Described cluster management server is according to the size of data of the sub-media file of each transcoding after described format conversion processing, select the file division/merging server of the free time of corresponding level, the Piece file mergence task matching of the sub-media file of each transcoding described is given the file division/merging server of described selection
File division/merging the server of described selection obtains the various plug-in units carried out required for media file merging from plug-in management server, utilize this various plug-in unit to carry out merging treatment to the sub-media file of each transcoding described, the transcoding media file after merging treatment is sent to described cluster management server;
Transcoding media file after described merging treatment is sent to described client browser by described cluster management server.
6. the media format conversion system based on cloud computing framework, it is characterized in that, be included in cloud computing framework and the transcoding platform of network side structure, described transcoding platform builds based on described cloud computing framework, and described transcoding platform specifically comprises: web application server, cluster management server, transcoding server cluster and file division/merging server cluster;
Described web application server, for receiving the media file needing to carry out format conversion that client browser is submitted to, sends to cluster management server by described media file;
Described cluster management server, carries out dividing processing for selecting from described file division/merging server cluster to described media file, the sub-media file of each transcoding after format conversion is carried out to the file division/merging server of merging treatment; According to the task regulating strategy of setting, from described transcoding server cluster, each sub-media file after to dividing processing is selected to carry out multiple transcoding servers of format conversion processing; The transcoding media file obtained after merging the sub-media file of each transcoding is returned to described client browser;
Described file division/merging server cluster, comprise multiple parallel file division/merging server, the file division selected by described cluster management server/merging server carries out dividing processing to described media file to obtain multiple sub-media file, carries out merging treatment obtain transcoding media file to the sub-media file of each transcoding after format conversion, and described multiple sub-media file, transcoding media file are sent to described cluster management server;
Described transcoding server cluster, comprise multiple parallel transcoding server, each transcoding server in the multiple transcoding servers selected by described cluster management server carries out format conversion to a described sub-media file respectively, obtain a sub-media file of transcoding, sub-for all transcodings media file is sent to described cluster management server;
Described cluster management server, also for calculating the current load value of the transcoding server of each free time in described transcoding server cluster, specific formula for calculation can be as follows:
Load value=k1*cpu use amount+k2* processor performance+k3* internal memory surplus+k4* the bandwidth resources of transcoding server;
The weights of described k1 corresponding to cpu use amount, the weights of described k2 corresponding to processor performance, the weights of described k3 corresponding to internal memory surplus, the weights of described k4 corresponding to bandwidth resources;
If the quantity of the sub-media file after described dividing processing is M, M the transcoding server selecting current load value minimum, distributes the format conversion task of a sub-media file to each transcoding server.
7. the media format conversion system based on cloud computing framework according to claim 6, is characterized in that:
Described cloud computing framework comprises: cloud infrastructure services, cloud platform service, cloud software service, described cloud infrastructure services comprises calculating for what provide to user, store, network and single-set operation system are at the various basic resources of interior cloud computing, described cloud platform service is implemented on described cloud infrastructure services, for providing the development environment of business software to user, running environment, with the service application making user create and run oneself in described cloud computing framework, described cloud software service is implemented on described cloud platform service, for providing service application service by the Internet to user,
Described transcoding platform also comprises plug-in management server, for managing the various plug-in units carrying out media file segmentation/merging, media file format conversion, dynamically inquiring about based on each basic resource in the cloud infrastructure services in described cloud computing framework, increase, delete, upgrading plug-in unit.
8. the media format conversion system based on cloud computing framework according to claim 7, is characterized in that:
Described cluster management server, also for the multiple file division/merging server in described file division/merging server cluster is divided into different ranks according to the capacity of water of segmentation/merging media file, according to the described size of data needing the media file carrying out format conversion, select the file division/merging server of the free time of corresponding level, the file division task matching of described media file is given the file division/merging server of described selection;
File division/merging the server of described selection, also for obtaining the various plug-in units carrying out media file segmentation from plug-in management server, utilize this various plug-in unit to carry out dividing processing to described media file, each the sub-media file obtained after dividing processing is sent to above-mentioned cluster management server.
9. the media format conversion system based on cloud computing framework according to any one of claim 6 to 8, is characterized in that:
M described transcoding server, also for obtaining the various plug-in units carrying out media file format conversion from plug-in management server, utilize this various plug-in unit to carry out format conversion processing based on described conversion parameter to each sub-media file, the sub-media file of each transcoding after format conversion processing is sent to described cluster management server.
10. the media format conversion system based on cloud computing framework according to claim 9, is characterized in that:
Described cluster management server, also for the size of data according to the sub-media file of each transcoding after described format conversion processing, select the file division/merging server of the free time of corresponding level, the Piece file mergence task matching of the sub-media file of each transcoding described is given the file division/merging server of described selection, transcoding media file after described merging treatment is sent to described client browser
File division/merging the server of described selection, for obtaining the various plug-in units carrying out media file merging from plug-in management server, utilize this various plug-in unit to carry out merging treatment to the sub-media file of each transcoding described, the transcoding media file after merging treatment is sent to described cluster management server.
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