CN102111237A - Cloud transcoding system and cloud transcoding method thereof - Google Patents
Cloud transcoding system and cloud transcoding method thereof Download PDFInfo
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Abstract
The invention discloses a cloud transcoding system and a cloud transcoding method thereof. Transcoding tasks are allocated to each transcoding module according to the capacity information of each transcoding module in a system by setting special modules, so that not only a large-scale transcoding requirement is met on the premise of improving transcoding efficiency, but also the design of each transcoding module is simplified by only needing to realize a single encoding/decoding function because each transcoding module does not need to perform task scheduling and package format conversion.
Description
Technical field
The present invention relates to transcoding technology, particularly a kind of cloud trans-coding system and cloud code-transferring method thereof.
Background technology
Along with carrying out in a deep going way of integration of three networks business, the requirement of the adaptive polytype terminal of same content of multimedia is more and more, usually adopt transcoding technology to finish above-mentioned adaptive, promptly utilize transcoder that a multimedia source files is transcoded into the file of multiple extended formatting, for example the TS of MPEG2 form stream source file is converted to the H.264 3GPP file of form.
In the prior art,, can adopt single transcoder or a plurality of transcoder to carry out, have following defective for finishing above-mentioned transcoding:
If 1 only uses single transcoder to carry out, because single transcoder is limited in one's ability,, for example need source file to convert extended formatting to 10,000 hours if large-scale transcoding demand is arranged, transcoding efficiency is very low;
If 2 use a plurality of transcoders to carry out, can only a large amount of transcoding source files for the treatment of be distributed to different transcoders by artificial, there is not collaborative work between a plurality of transcoders, the space that transcoding efficiency promotes is very limited;
3, no matter being to use single transcoder still is a plurality of transcoders, and the sequence of operations such as scheduling, decapsulation, decoding of all will finishing the work of each transcoder, design are very complicated.
Summary of the invention
The invention provides a kind of former trans-coding system, can efficiently finish large-scale transcoding task.
The invention provides a kind of former code-transferring method, can efficiently finish large-scale transcoding task.
Technical scheme of the present invention is achieved in that
A kind of cloud trans-coding system, key are that this system comprises: transcoding door module, scheduler module, memory module and some transcoding modules;
Described transcoding door module is used for receiving and treats the transcoding file, sends to described scheduler module;
Described transcoding module is used for reporting self-ability information to described scheduler module; The described transcoding file for the treatment of is carried out transcoding, file behind the transcoding is sent to described memory module;
Described scheduler module is used for determining to handle the described transcoding module for the treatment of the transcoding file according to described ability information, and the described transcoding file for the treatment of is sent to the transcoding module of determining; After described transcoding module is finished transcoding, send transcoding to described transcoding door module and finish notice.
A kind of cloud code-transferring method of above-mentioned cloud trans-coding system, key are that described transcoding module reports self-ability information to described scheduler module; This method comprises:
A, described transcoding door module receive treats the transcoding file, sends to described scheduler module;
B, described scheduler module are determined to handle the described transcoding module for the treatment of the transcoding file according to described ability information, and the described transcoding file for the treatment of is sent to the transcoding module of determining;
C, the described transcoding module of determining are carried out transcoding to the described transcoding file for the treatment of, file behind the transcoding is sent to described memory module;
D, described scheduler module send transcoding to described transcoding door module and finish notice after the described transcoding module of determining is finished transcoding.
Cloud trans-coding system of the present invention has been obtained following technique effect:
1, comprise a plurality of transcoding modules in this cloud trans-coding system, the ability of each transcoding module can be different, promptly support the transcoding module of isomery, satisfy extensive transcoding demand;
2, a plurality of transcoding modules in this cloud trans-coding system, the ability information of self is reported scheduler module, treat the transcoding task by scheduler module according to these ability information and distribute unitedly, make that a plurality of transcoding modules can collaborative work, promoted transcoding efficiency greatly;
3, the scheduling because each transcoding module need not to execute the task, the transcoding module only need realize single coding and decoding function, has simplified the transcoding Module Design;
4, because the number of the transcoding module in this cloud trans-coding system can be provided with arbitrarily, can expand easily, to support higher demand.
Description of drawings
Fig. 1 is the structural representation of medium cloud trans-coding system of the present invention;
Fig. 2 is the structural representation of embodiment of the invention medium cloud trans-coding system;
Fig. 3 is the cloud code-transferring method flow chart of cloud trans-coding system shown in Figure 1.
Embodiment
For making objects and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of medium cloud trans-coding system of the present invention, and this system comprises: transcoding door module, scheduler module, memory module and some transcoding modules.The quantity of its transit code module can be provided with arbitrarily according to actual needs.
Above-mentioned transcoding door module is used for receiving and treats the transcoding file, sends to scheduler module.
Above-mentioned transcoding module is used for reporting self-ability information to scheduler module, and the transcoding file for the treatment of that receives is carried out transcoding, and file behind the transcoding is sent to memory module.The ability information here can comprise coded format that the transcoding module can handle, code check etc.
Above-mentioned scheduler module, be used for determining to handle the current transcoding module for the treatment of the transcoding file according to the ability information that receives, this is treated that the transcoding file sends to the transcoding module of determining, and after this transcoding module is finished transcoding, send transcoding to transcoding door module and finish notice.
Cloud trans-coding system of the present invention has been obtained following technique effect:
1, comprise a plurality of transcoding modules in this cloud trans-coding system, the ability of each transcoding module can be different, promptly support the transcoding module of isomery, satisfy extensive transcoding demand;
2, a plurality of transcoding modules in this cloud trans-coding system, the ability information of self is reported scheduler module, treat the transcoding task by scheduler module according to these ability information and distribute unitedly, make that a plurality of transcoding modules can collaborative work, promoted transcoding efficiency greatly;
3, the scheduling because each transcoding module need not to execute the task, the transcoding module only need realize single coding and decoding function, has simplified the transcoding Module Design;
4, because the number of the transcoding module in this cloud trans-coding system can be provided with arbitrarily, can expand easily, to support higher demand.
Provide an embodiment of cloud trans-coding system of the present invention below, Fig. 2 is the structural representation of embodiment of the invention medium cloud trans-coding system, and this system comprises: transcoding door module, scheduler module, memory module and transcoding module 1～n.Above-mentioned each module communicates by the connection of Internet protocol (IP, Internet Protocol) network in the present embodiment.
1. transcoding door module.
The user is in time known the performance for the treatment of the transcoding file for convenience, and the transcoding door module in the present embodiment can comprise: display unit and Transmit-Receive Unit; What wherein Transmit-Receive Unit was used to receive user's input treats the transcoding file, sends to scheduler module, and the transcoding that the receiving scheduling module sends is finished notice; Display unit is used to show the current tabulation for the treatment of the transcoding file, receive after transcoding finishes notice at Transmit-Receive Unit, with this transcoding finish notice corresponding to treat that the transcoding file is shown as highlighted.
For convenience of file behind the user's download transcoding, above-mentioned transcoding door module can further include download unit.The user is by above-mentioned display unit input download instruction, and file behind the transcoding that indication will be downloaded, download unit are downloaded file behind this transcoding from memory module.
2. scheduler module.
Above-mentioned scheduler module comprises: task management unit, transcoding administrative unit and pretreatment unit.Wherein, pretreatment unit is used to resolve treating the transcoding file, obtaining the fileinfo that this treats the transcoding file of receiving, and for example coded format, code check etc. treat that with this transcoding file and fileinfo thereof send to the transcoding administrative unit; The transcoding administrative unit is used to receive the ability information that the transcoding module reports, and treat transcoding file and fileinfo thereof that ability information, pretreatment unit are sent send to the task management unit; The task management unit is used for according to ability information, the transcoding module that definite fileinfo for the treatment of the transcoding file that sends with the transcoding administrative unit mates, the transcoding file for the treatment of that the transcoding administrative unit is sent sends to the transcoding module of determining, after the transcoding module that this is determined is finished transcoding, be sent completely notice to transcoding door module.
Above-mentioned transcoding administrative unit inside can also comprise: registration is carried out subelement and is sent subelement.Wherein the registration message that subelement is used to receive the transmission of transcoding module is carried out in registration, carry the IP address of transcoding module and the ability information of self in this registration message, receive the registration message that pretreatment unit sends, the IP address of carrying pretreatment unit in this registration message; Send subelement be used for the IP address of transcoding module and ability information, and pretreatment unit treat transcoding file and the fileinfo thereof that send send to the task management unit.The registration message here can be the common practise of this area as for how IP address, ability information etc. being carried in this message for Simple Object Access Protocol (SOAP, Simple Object Access Protocol) message.The IP address here is mainly used in communicates by letter between task management unit and each transcoding module or the transcoding administrative unit is carried out addressing when communicating by letter with pretreatment module.
If more reasonable, can further include in the above-mentioned transcoding administrative unit: receive subelement, be used to receive the load information that the transcoding module reports, send to the task management unit for the distribution that further makes the transcoding task.The transcoding module can be every the set time, just reports once current self load information to this reception subelement.
Based on further comprising the structure that receives subelement in the above-mentioned transcoding administrative unit, the task management unit in the present embodiment can comprise: notice subelement and distribution subelement; Wherein distribute subelement to be used for according to the ability information that receives, determine transcoding module with the fileinfo coupling for the treatment of the transcoding file that receives, when the transcoding module of determining is two when above, further select the transcoding module of present load minimum according to the load information that receives, to treat that the transcoding file sends to the transcoding module of selecting, when the transcoding module of determining is one, will treat that directly the transcoding file sends to the transcoding module of determining; The notice subelement is used to receive the transcoding that the transcoding module sends and finishes information, sends transcoding to described transcoding door module and finishes notice.
Based on the internal structure of above-mentioned transcoding administrative unit, pretreatment unit inside can comprise: conversion subelement, parsing subelement and register requirement subelement.Wherein changing the transcoding file conversion for the treatment of that subelement is used for receiving is the preliminary election encapsulation format, for example be converted to the TS encapsulation format, send to the transcoding administrative unit then, if the transcoding file for the treatment of that receives itself is the preliminary election encapsulation format, then should conversion subelement can undo; Resolve subelement and be used to resolve treating the transcoding file, obtaining fileinfo of receiving, fileinfo is sent to the transcoding administrative unit; The register requirement subelement is used for sending the registration message that carries self IP address to described transcoding administrative unit.Why will treat that the transcoding file is converted to the preliminary election encapsulation format earlier, be in order to make each transcoding module only finish single coding and decoding function, further to simplify each transcoding inside modules structure Design.
Scheduler module in the cloud trans-coding system of the present invention is supported clustered deploy(ment), be to comprise two above scheduler modules in the system, these scheduler modules are disposed in the mode of cluster, be responsible for arranging mutual between each scheduler module and outside other modules of cluster by the total control module in the cluster, the internal structure of each scheduler module and with the concrete interactive mode of other modules still be with above described identical.So, for transcoding door module in the cloud trans-coding system of the present invention and transcoding module, can not differentiate scheduler modules different in the cluster, will still be mutual as carrying out with single scheduler module.Because the detail of clustered deploy(ment), and above-mentioned total control module how to arrange each scheduler module and other modules alternately, all belong to the technology that those skilled in the art are familiar with, repeat no more here.
Fig. 3 is the cloud code-transferring method flow chart of cloud trans-coding system shown in Figure 1, before flow process begins, the transcoding module reports self-ability information to scheduler module, can realize by sending registration message to scheduler module, carries transcoding module its own IP address and ability information in this registration message.
This flow process shown in Figure 3 comprises:
Step 31: transcoding door module receives and treats the transcoding file, sends to scheduler module.
Step 32: scheduler module is determined to handle the transcoding module for the treatment of the transcoding file according to ability information, will treat that the transcoding file sends to the transcoding module of determining.
Step 33: the transcoding module of determining is treated the transcoding file and is carried out transcoding, and file behind the transcoding is sent to memory module.
Step 34: scheduler module sends transcoding to transcoding door module and finishes notice after the transcoding module of determining is finished transcoding.
Above-mentioned steps 33 can be realized by following substep:
Step 331: scheduler module is resolved treating the transcoding file, obtaining fileinfo of receiving.
Step 332: scheduler module is determined the transcoding module with the fileinfo coupling for the treatment of the transcoding file according to described ability information.
In this step, for further reasonable distribution transcoding task, scheduler module can further receive the load information that each transcoding module reports, according to ability information, determine transcoding module with the coded format coupling for the treatment of the transcoding file, when the transcoding module of determining is two when above, further select the transcoding module of present load minimum according to the load information that receives, to treat that the transcoding file sends to the transcoding module of selecting, when the transcoding module of determining is one, will treat that directly the transcoding file sends to the transcoding module of determining.
Step 333: scheduler module sends to the transcoding module of determining with the described transcoding file for the treatment of.
In this step, scheduler module can be the preliminary election encapsulation format with the transcoding file conversion for the treatment of that receives, and for example is converted to TS stream, and the transcoding file for the treatment of after will changing then sends to the transcoding module of determining.
After above-mentioned steps 34, this method further comprises: the result that transcoding door module is finished transcoding is shown to the user.Can further comprise: transcoding door module is accepted the download instruction of user input again, downloads file behind the transcoding as indicated from download module.
In sum, more than be preferred embodiment of the present invention only, be not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1. a cloud trans-coding system is characterized in that, this system comprises: transcoding door module, scheduler module, memory module and some transcoding modules;
Described transcoding door module is used for receiving and treats the transcoding file, sends to described scheduler module;
Described transcoding module is used for reporting self-ability information to described scheduler module; The described transcoding file for the treatment of is carried out transcoding, file behind the transcoding is sent to described memory module;
Described scheduler module is used for determining to handle the described transcoding module for the treatment of the transcoding file according to described ability information, and the described transcoding file for the treatment of is sent to the transcoding module of determining; After described transcoding module is finished transcoding, send transcoding to described transcoding door module and finish notice.
2. cloud trans-coding system as claimed in claim 1 is characterized in that, described scheduler module comprises: task management unit, transcoding administrative unit and pretreatment unit;
Described pretreatment unit is used to resolve treating the transcoding file, obtaining fileinfo of receiving, and described transcoding file and the fileinfo thereof treated sent to the transcoding administrative unit;
Described transcoding administrative unit is used to receive the ability information that described transcoding module reports; Described ability information, described transcoding file and the fileinfo thereof treated are sent to the task management unit;
Described task management unit is used for according to described ability information, determines and the described transcoding module for the treatment of the fileinfo coupling of transcoding file, and the described transcoding file for the treatment of is sent to the transcoding module of determining; After the described transcoding module of determining is finished transcoding, send transcoding to described transcoding door module and finish notice.
3. system as claimed in claim 2 is characterized in that, described transcoding administrative unit comprises: registration is carried out subelement and is sent subelement;
Subelement is carried out in described registration, is used to receive the registration message that described transcoding module sends, and carries the Internet protocol address of transcoding module and the ability information of self in this registration message; Receive the registration message that described pretreatment unit sends, the Internet protocol address of carrying pretreatment unit in this registration message;
Described transmission subelement is used for the Internet protocol address of transcoding module and ability information and treat transcoding file and the fileinfo thereof that receive are sent to the task management unit.
4. system as claimed in claim 3 is characterized in that, described pretreatment unit comprises: conversion subelement, parsing subelement and register requirement subelement;
Described conversion subelement, the transcoding file conversion for the treatment of that is used for receiving is the preliminary election encapsulation format, sends to described transcoding administrative unit then;
Resolve subelement, be used to resolve treating the transcoding file, obtaining fileinfo of receiving, described fileinfo is sent to described transcoding administrative unit;
Described register requirement subelement is used for sending the registration message that carries self Internet protocol address to described transcoding administrative unit.
5. system as claimed in claim 3 is characterized in that, further comprises in the described transcoding administrative unit: receive subelement, be used to receive the load information that the transcoding module reports;
Described transmission subelement is further used for, and described load information is sent to the task management unit.
6. system as claimed in claim 5 is characterized in that, described task management unit comprises: notice subelement and distribution subelement;
Described distribution subelement, be used for the ability information that receiving, determine transcoding module with the fileinfo coupling for the treatment of the transcoding file that receives, when the transcoding module of determining is two when above, further select the transcoding module of present load minimum according to the load information that receives, with treating that the transcoding file sends to the transcoding module of selecting, when the transcoding module of determining is one, will treat that directly the transcoding file sends to the transcoding module of determining;
Described notice subelement is used to receive the transcoding that the transcoding module sends and finishes information, sends transcoding to described transcoding door module and finishes notice.
7. the system as claimed in claim 1 is characterized in that, described transcoding door module comprises: display unit, Transmit-Receive Unit and download unit;
Described Transmit-Receive Unit is used for receiving and treats the transcoding file, sends to described scheduler module; The transcoding that receives described scheduler module transmission is finished notice;
Described display unit is used to show the current tabulation of transcoding file that remains, receive after transcoding finishes notice at Transmit-Receive Unit, with this transcoding finish notice corresponding to treat that the transcoding file is shown as highlighted; Receive the download instruction of input;
Described download unit is used for after described display unit receives download instruction, downloads file behind the indicated transcoding of described download instruction from described memory module.
8. cloud trans-coding system as claimed in claim 1 is characterized in that, described scheduler module is more than two, disposes with trunking mode;
Described cluster comprises total control module, is used for dispatching cluster current and described transcoding door module and the mutual scheduler module of described transcoding module.
9. the cloud code-transferring method of a cloud trans-coding system as claimed in claim 1 is characterized in that, described transcoding module reports self-ability information to described scheduler module; This method comprises:
A, described transcoding door module receive treats the transcoding file, sends to described scheduler module;
B, described scheduler module are determined to handle the described transcoding module for the treatment of the transcoding file according to described ability information, and the described transcoding file for the treatment of is sent to the transcoding module of determining;
C, the described transcoding module of determining are carried out transcoding to the described transcoding file for the treatment of, file behind the transcoding is sent to described memory module;
D, described scheduler module send transcoding to described transcoding door module and finish notice after the described transcoding module of determining is finished transcoding.
10. method as claimed in claim 9 is characterized in that, described step B comprises:
B1, described scheduler module resolve treating the transcoding file, obtaining fileinfo of receiving;
B2, described scheduler module are determined and the described transcoding module for the treatment of the fileinfo coupling of transcoding file according to described ability information;
B3, described scheduler module send to the transcoding module of determining with the described transcoding file for the treatment of.
11. method as claimed in claim 10 is characterized in that, described step B3 comprises:
The transcoding file conversion for the treatment of that described scheduler module will receive is the preliminary election encapsulation format;
The transcoding file for the treatment of after described scheduler module will be changed sends to the transcoding module of determining.
12. method as claimed in claim 10 is characterized in that, described step B2 comprises:
Described scheduler module receives the load information that each transcoding module reports;
Described scheduler module is according to described ability information, determine and the described transcoding module for the treatment of the fileinfo coupling of transcoding file, when the transcoding module of determining is two when above, further select the transcoding module of present load minimum according to the load information that receives, to treat that the transcoding file sends to the transcoding module of selecting, when the transcoding module of determining is one, will treat that directly the transcoding file sends to the transcoding module of determining.
13. method as claimed in claim 9, it is characterized in that, described transcoding module reports self-ability information to be to described scheduler module: described transcoding module sends registration message to described scheduler module, carries the Internet protocol address and the ability information of transcoding module self in this registration message.
14. method as claimed in claim 9 is characterized in that, further comprises after the described step D:
Described transcoding door module receive transmit finish notice after, in self shown treating in the transcoding listed files, with this transcoding finish notice corresponding to treat that the transcoding file is shown as highlighted;
Receive the download instruction of user's input, from memory module, download file behind the indicated transcoding of this download instruction.
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Application publication date: 20110629 |