CN102510526A - Stream media service system based on distributed cluster file system - Google Patents
Stream media service system based on distributed cluster file system Download PDFInfo
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- CN102510526A CN102510526A CN2011103304166A CN201110330416A CN102510526A CN 102510526 A CN102510526 A CN 102510526A CN 2011103304166 A CN2011103304166 A CN 2011103304166A CN 201110330416 A CN201110330416 A CN 201110330416A CN 102510526 A CN102510526 A CN 102510526A
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Abstract
The invention discloses a stream media service system based on a distributed cluster file system. The stream media service system comprises one or a plurality of receiving and recording modules, an interaction interface module, a streaming service module and a system program management module, wherein each receiving and recording module corresponds to a program and is used for receiving a television signal, analyzing and recording stream contents and managing a file; the interaction interface module is used for providing interaction service; the streaming service module receives data of the receiving and recording modules, communicates with a server through the interaction interface module, and is used for providing streaming service; the system program management module is in communication connection with the receiving and recording modules and the interaction interface module and is used for performing maintenance management on the program and the system and providing collaboration service for the interaction interface module. By adoption of the stream media service system based on the distributed cluster file system, various kinds of video service such as live television, television program re-watching, video on demand and television program on demand can be simultaneously provided.
Description
Technical field
The present invention relates to a kind of stream media service system, refer to a kind of stream media service system especially based on the distributed type assemblies file system.
Background technology
Streaming Media is meant the media formats that the mode of employing stream transmission is play at Internet.Streaming Media is streaming video again, and it is meant that businessman sends program with a video delivery server as packet, be sent on the network.After the user carried out decompress(ion) through decompression apparatus to these data, program will show as before sending.But present streaming media service is comparatively single, can not realize the various video service.
Summary of the invention
The objective of the invention is to overcome the defective of prior art; And a kind of stream media service system based on the distributed type assemblies file system is provided; Realize providing simultaneously live telecast, TV playback (TVS), video request program (VOD), TV column program request various video services such as (TVOD), had functional strong, response speed is fast, cost is low advantage.
The technical scheme that realizes above-mentioned purpose is:
A kind of stream media service system based on the distributed type assemblies file system of the present invention comprises:
One or a plurality of reception record module, the corresponding program of module is recorded in each said reception, is used for received television signal and convection current content and resolves and record and the management of file;
One interactive interface module is used to provide interactive service;
One fluidisation service module, said fluidisation service module receives the data that module is recorded in said reception, and communicates by letter with a server interaction through said interactive interface module, is used to provide the fluidisation service;
One system's program module is recorded module with said reception and is connected with the interactive interface module communication, is used for the maintenance management of program and system, and for said interactive interface module collaboration services is provided.
Above-mentioned convection current content is resolved and recorded and the management of file comprises: program stream receives, MPTS is resolved, and the program stream request is mutual, data splicing, MP4 records and file management.
Above-mentioned fluidisation service comprises: Request Processing, operation handoff response, media content fluidisation are given out a contract for a project multicast packet broadcast, unitcast request operational processes, unicast data broadcast, unicast session played file sequence, authentification of user and accounting processing.
Above-mentioned interactive service comprises: the agency, system service alarm and the access services that read storage data, Request Processing listed files and media content, request Free up Memory, memory scheduling, Event Service, database service, system management platform are mutual.
The maintenance management of above-mentioned program and system comprises: program, file content management, buffer scheduling management, data sync realize, provide the log services instrument.
The present invention has been owing to adopted above technical scheme, makes it have following beneficial effect to be:
Realize providing simultaneously live telecast, TV playback (TVS), video request program (VOD), TV column program request various video services such as (TVOD), had functional strong, response speed is fast, cost is low advantage.
Description of drawings
Fig. 1 is the overall structure sketch map that the present invention is based on the stream media service system of distributed type assemblies file system;
Fig. 2 is the detailed structure sketch map that the present invention is based on the stream media service system of distributed type assemblies file system;
Fig. 3 is the demand (telecommunication) service detail flowchart that the present invention is based on the stream media service system of distributed type assemblies file system.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is described further.
See also Fig. 1, Fig. 2, a kind of stream media service system 2 based on the distributed type assemblies file system of the present invention comprises:
One or a plurality of reception record module 21; Module 21 corresponding programs are recorded in each reception; Being used for received television signal 1 and convection current content resolves and records and the management of file; Specifically comprise: program stream receives, MPTS is resolved, and the program stream request is mutual, data splicing, MP4 records and file management, and for fluidisation service module 22 interface is provided through service document tabulation.
One interactive interface module 24; Be used to provide interactive service, specifically comprise: the agency, system service alarm and the access services that read storage data, Request Processing listed files and media content, request Free up Memory, memory scheduling, Event Service, database service, system management platform are mutual.This module mainly is responsible for the mutual of TV column program request (TVOD) service, video request program (VOD) service and other services, and the part service only provides mutual interface, and the part service then needs the independent function corresponding of accomplishing.
One fluidisation service module 22, fluidisation service module 22 receives the data of recording module 21, and through interactive interface module 24 and a server 3 interactive communications, is used to provide the fluidisation service; Fluidisation service comprises that Request Processing, operation handoff response, media content fluidisation give out a contract for a project multicast packet broadcast, unitcast request operational processes, unicast data broadcast, unicast session played file sequence, authentification of user and accounting processing.The file management unit that the content of this module fluidisation service is recorded the module 21 from reception is obtained, and is concrete service owing to what carry out simultaneously, need be constantly mutual with an addressed location of server 3 during service.
One system's program module 23,24 communications are connected with the interactive interface module to record module 21 with reception, are used for the maintenance management of program and system, and for interactive interface module 24 collaboration services are provided.The maintenance management of program and system comprises: program, file content management, buffer scheduling management, data sync realize, provide the log services instrument.
See also Fig. 3, the demand (telecommunication) service detailed process is following:
(1) starting up of terminal
(2) terminal authentication request
2.1 the terminal is initiated authentication request through the D1 interface to door, request message comprises UserID (ID), user's signature, end message and comprises supporting business ability and decoding capability etc.;
2.2 after door is received the terminal authentication request, transmit user authentication request to AAA through the D2 interface;
2.3 AAA carries out verification to user and terminal equipment, and after generating NewToken (new authentification of user token), authentication result is returned to door;
2.4 after door is received the aaa authentication result, authentication result and NewToken are transmitted to the terminal through D1.
Order request is initiated through the door navigation in the terminal
3.1 the terminal is initiated order request through the D1 interface to door;
3.2 after door is received the terminal order request, initiate authentication request to AAA, comprise UserID (ID), Token (User Token), ContentID information such as (program ID) in the solicited message through the D2 interface;
3.3 AAA identifies the customer service authority, and returns authenticating result to door, authenticating result comprises EntitlementCode (this product authorization code of user) and EntExpireTime (user's product authorization code out-of-service time);
3.4 gate system sends to the terminal with information such as session management function module's address, EntitlementCode after receiving the authenticating result that AAA returns.
Order request is initiated to session management in the terminal
4.1 the terminal is initiated order request through S1 interface SETUP order to session management, comprises information such as mode that x-userID (ID), EntitlementCode, terminal receive Business Stream, ServiceGroup in the request command;
4.2 after session management is received the order request at terminal, initiate authentication request to AAA, comprise information such as userID (ID), EntitlementCode in the request through the S2 interface;
4.3 AAA carries out authentification of user through the comparison to EntitlementCode, and authentication result and playlist parameter are returned to session management;
4.4 session management is handled according to the result after receiving the authentication result that AAA returns.If authentification failure is then through the failure of S1 interface notice terminal authentication.If authentication success, then the SETUP through the S3 interface orders to edge resource management request resource, comprises the information such as bandwidth of ServiceGroup, requirement in the request command; SETUP through the S4 interface orders to stream resource management request resource, comprises the IP of ServiceGroup, QAM and the information such as bandwidth of port numbers, play content and requirement in the request command;
4.5 edge resource is managed resources such as selecting suitable QAM and its address is returned to session management through S3; The stream resource management is selected suitable stream service system and its address is returned to session management through S4;
4.6 session management is received the resource request result, and handles according to the result.If the resource request failure is then through S1 interface notice terminal resource request failure.If resource request success; Then initiate to build the stream request to corresponding stream service system through the SETUP order of S5 interface; Comprise x-userID in the request command, mode, address, the port of terminal program receiving stream, and information such as the program of the request of cutting down or the rendition list;
4.7 stream service system returns through S5 and builds the stream result; Comprise Session and ControlSession in the return information; Session is used for the session between maintain sessions manager and stream service system, and ControlSession is used for the flow-control operation between terminal and stream service system;
4.8 session management receive stream service system build the stream result after, return to the terminal through S1 and to build stream result and flow control parameters, comprise information such as QAM mode frequency points corresponding, symbol rate, modulation parameter and streaming server address, control port, timeout parameter;
4.9 after the flow control parameters that session manager returns was received at the terminal, the PLAY command request stream service through the C1 interface comprised Control Parameter such as playing original position, broadcasting speed in the request command;
4.10 stream service system is according to terminal request, for the terminal provides the stream service;
4.11 in the stream service process, terminal and session management are kept heartbeat through the GET_PARAMETER order of S1 interface;
4.12 in the stream service process, terminal and stream service system are kept heartbeat through the GET_PARAMETER order of C1 interface;
4.13 after the stream service beginning certain time length, session management is set up through S2 interface notice AAA session.
The program request ending request is initiated to session management in the terminal
5.1 order to session management initiation session ending request through the TEARDOWN of S1 interface at the terminal;
5.2 session management is ordered to stream service system initiation session ending request through the TEARDOWN of S5 interface;
5.3 stream service system stops the stream service and returns stream end of service result;
5.4 session management discharges resource to edge resource management, streaming server system request respectively through the TEARDOWN order of S3, S4 interface;
5.5 edge resource management, stream service system discharge resource and return the release result to session management;
5.6 session management is through S2 interface notice AAA conversation end;
5.7 returning program request through S1 to the terminal, session management finishes the result.
More than combine accompanying drawing embodiment that the present invention is specified, those skilled in the art can make the many variations example to the present invention according to above-mentioned explanation.Thereby some details among the embodiment should not constitute qualification of the present invention, and the scope that the present invention will define with appended claims is as protection scope of the present invention.
Claims (5)
1. the stream media service system based on the distributed type assemblies file system is characterized in that, comprising:
One or a plurality of reception record module, the corresponding program of module is recorded in each said reception, is used for received television signal and convection current content and resolves and record and the management of file;
One interactive interface module is used to provide interactive service;
One fluidisation service module, said fluidisation service module receives the data that module is recorded in said reception, and communicates by letter with a server interaction through said interactive interface module, is used to provide the fluidisation service;
One system's program module is recorded module with said reception and is connected with the interactive interface module communication, is used for the maintenance management of program and system, and for said interactive interface module collaboration services is provided.
2. the stream media service system based on the distributed type assemblies file system according to claim 1; It is characterized in that; Said convection current content is resolved and recorded and the management of file comprises: program stream receives, MPTS is resolved, and the program stream request is mutual, data splicing, MP4 records and file management.
3. the stream media service system based on the distributed type assemblies file system according to claim 1; It is characterized in that; Said fluidisation service comprises: Request Processing, operation handoff response, media content fluidisation are given out a contract for a project multicast packet broadcast, unitcast request operational processes, unicast data broadcast, unicast session played file sequence, authentification of user and accounting processing.
4. the stream media service system based on the distributed type assemblies file system according to claim 1; It is characterized in that said interactive service comprises: the agency, system service alarm and the access services that read storage data, Request Processing listed files and media content, request Free up Memory, memory scheduling, Event Service, database service, system management platform are mutual.
5. the stream media service system based on the distributed type assemblies file system according to claim 1; It is characterized in that the maintenance management of said program and system comprises: program, file content management, buffer scheduling management, data sync realize, provide the log services instrument.
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| CN2011103304166A CN102510526A (en) | 2011-10-27 | 2011-10-27 | Stream media service system based on distributed cluster file system |
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| CN2011103304166A CN102510526A (en) | 2011-10-27 | 2011-10-27 | Stream media service system based on distributed cluster file system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103096126A (en) * | 2012-12-28 | 2013-05-08 | 中国科学院计算技术研究所 | Method and system of collaborative type cache for video-on-demand service in collaborative type cache cluster |
| CN107104986A (en) * | 2017-06-13 | 2017-08-29 | 柳州市盛景科技有限公司 | A kind of video on-demand system based on hadoop and Red5 |
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Application publication date: 20120620 |