CN1801933A - Method for realizing IGRS AV server device - Google Patents
Method for realizing IGRS AV server device Download PDFInfo
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- CN1801933A CN1801933A CN 200510131116 CN200510131116A CN1801933A CN 1801933 A CN1801933 A CN 1801933A CN 200510131116 CN200510131116 CN 200510131116 CN 200510131116 A CN200510131116 A CN 200510131116A CN 1801933 A CN1801933 A CN 1801933A
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Abstract
A IGRS AV server equipment implementation method implementation method, including medium server control point and medium playing unit. Said media services medium server provides contents directory service, medium source connecting management service, medium source transmitting service, these service providing calling interface to control point. Said medium unit providing target connection management service, presentment control service and medium target transmission service, these service providing calling interface to control point. Said control point controlling medium server and medium playing unit by finding medium service and calling interface provided by service, to complete transmitting and playing from medium server to medium playing unit. Said invention using IGRS AV application framework concept and IGRS AV medium server functional module as foundation, to realize quickly construction of AV server based on IGRS protocol.
Description
Technical field
The present invention relates to a kind of method that realizes IGRS AV server based on resource-sharing cooperation with service IGRS agreement.
Background technology
The development of " digital home network " receives much concern, and will cause the network service revolution of a global range.How to realize easily that functions such as discovery automatically between the network equipment and the home appliance, intelligence interconnection, control mutually, resource-sharing, cooperation with service all are present research focuses.
Resource-sharing cooperation with service IGRS is the standard in order to realize Information Technology Equipment intelligence interconnection, resource-sharing, cooperation with service and to formulate, this standard is based on existing ripe multiple network agreement, adopted open architecture, equipment based on the IGRS standard can carry out interoperability with the equipment of other standards of employing (IGRS etc.), simultaneously, IGRS supports multiple application framework and characteristic to use.The IGRS agreement is the inevitable outcome of current development of information, and its correlation technique belongs to the state-of-the-art technology in present world information technology field, and it is extremely general to determine that in the near future IGRS equipment comprises that IGRSAV equipment will become.
Media server provides media content, and being connected and transmission between management and media player, the implementation that a kind of IGRS AV server apparatus is provided is to be worth research, also is simultaneously the problem that needs urgent solution.
Summary of the invention
The objective of the invention is to by IGRS AV application framework notion and IGRS AV media server functional module are furtherd investigate, utilize the creationary implementation method that proposes a kind of media server of IGRS agreement, can realize making up fast and effectively AV server based on the IGRS agreement.
For solving the problems of the technologies described above, the present invention is achieved by the following technical solutions:
A kind of implementation method of IGRS AV server apparatus, comprise media server, control point and media player, described media server provides control directory services, the service of source of media connection management, source of media transmission service, and these services provide calling interface to the control point; Described media player provides the service of target connection management, presents control service and media object transmission service, and these services provide calling interface to the control point; Described control point is by finding media services, and the interface that the service of calling provides is controlled media server and media player, media delivery and broadcast between finishing from the media server to the media player.
Described media server comprises equipment information management module, Control Server module, event server module, state table administration module, IGRS underlying protocol stack and XML data resolution module.Wherein, described equipment information management module is used for the facility information of management of media server, comprises the description document of obtaining server apparatus at any time, the information of preserving and update the equipment.
Described Control Server module is used for receiving and resolving control point service invocation request message.Comprise the data of media object structure, be used for storage server end content directory information; The link information structure is used for memory allocation and gives information such as the transmission control protocol of the connection Id (ConnectionId) at control point and this Id correspondence, connection status; AV transmits message structure, is used for memory allocation and gives the transmission state of the AV transmission Id (AVTransportId) at control point and this Id correspondence, transmission speed, media information etc.; Media content inventory location/enquiry module is used to finish according to medium location/querying condition, obtains the content corresponding directory information, to the control point return results; The connection management module is used to prepare being connected of server and player, returns link information to tie point; The AV transport management module is used to carry out concrete transmission/play operation, returns query requests to the transmission point.
Described event server module is used for receiving and resolving control point Service events subscription request message, and sends response message and the issuing service incident that Service events is subscribed to the control point, comprises subscription information structure and subscription information administration module.Wherein, described subscription information structure, the relevant information that subscribe to the media server Service events at the storage control point, all subscription information are formed the subscription information table; Described subscription information administration module, the Service events subscribe request at parsing control point is distributed idle service ID, and initialization subscription information structure is upgraded the subscription information table, returns service ID and other subscription information to the control point; And resolve the control point Service events request of cancelling subscriptions, according to service ID, the querying information of subscription table is deleted corresponding subscription information structure; If state variable changes, the querying information of subscription table is to the control point issuing service incident of this incident of subscription.
Described state table administration module is used for management of media server state variable information, comprises renewal, interpolation and the deletion etc. of state variable.Described IGRS underlying protocol stack is provided by each producer, and the mutual discovery mechanism pipes between devices of the equipment that defined set-up mechanism, service discovery mechanisms, session management mechanism and service access mechanism are for the control point provides perfect IGRS network communication interface.Described XML data resolution module is used to provide the parsing interface of XML format information.
Compared with prior art, advantage of the present invention and good effect are: the implementation method of IGRS AV server apparatus of the present invention is based on IGRS AV application framework notion and IGRS AV media server functional module, can realize making up fast and effectively AV server, technical staff's research and development is from now on had certain directive significance based on the IGRS agreement.
Description of drawings
Fig. 1 is the interaction models of AV application framework among the present invention;
Fig. 2 is the service that media server provides among the present invention;
Fig. 3 is a service invocation request process chart among the present invention;
Fig. 4 is a Service events subscribe request process chart among the present invention;
Fig. 5 is a Service events release processing flow chart among the present invention;
Fig. 6 is media information location (browsing/inquire about) request processing flow figure among the present invention;
Fig. 7 is a link information query requests process chart among the present invention;
Fig. 8 connects among the present invention to set up request processing flow figure;
Fig. 9 is transmission request processing flow figure among the present invention;
Figure 10 is a transmission information inquiring request process chart among the present invention.
Embodiment
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
IGRS AV server apparatus proposed by the invention comprises media server, control point and media player, and concrete syndeton is referring to shown in Figure 1.Described media server provides control directory services, the service of source of media connection management, source of media transmission service, and these services provide calling interface to the control point.Media player provides the service of target connection management, presents control service and media object transmission service, and these services provide calling interface to the control point.And the control point is by finding media services, and the interface that the service of calling provides is controlled media server and media player, media delivery and broadcast between finishing from the media server to the media player.
Described media server comprises equipment information management module, Control Server module, event server module, state table administration module and other service modules, as shown in Figure 2.Wherein, the equipment information management module is used for the facility information of management of media server, comprises the description document of obtaining server apparatus at any time, the information of preserving and update the equipment.The Control Server module is used for receiving and resolving control point service invocation request message; Comprise media object structure, link information structure, AV transmission message structure, media content inventory location/enquiry module, connection management module and AV transport management module.The event server module is used for receiving and resolving control point Service events subscription request message, sends the response message of Service events subscription and issues Service events to the control point; Comprise subscription information structure and subscription information administration module.The state table administration module is used for management of media server state variable information.Other service modules comprise IGRS underlying protocol stack and XML data resolution module, wherein, the IGRS underlying protocol stack is provided by each producer, the mutual discovery mechanism pipes between devices of the equipment that defined set-up mechanism, service discovery mechanisms, session management mechanism and service access mechanism are for the control point provides perfect IGRS network communication interface.Described XML data resolution module is used to provide the parsing interface of XML format information.
Below Control Server module and event server module are made a concrete analysis of.
1. the concrete analysis of Control Server module is as follows:
The service invocation request message at server parses control point, obtain the title of the interface of service call, check whether server supports this service, if do not support then to send the error message of service call to the control point, if support then to carry out concrete service, then send the service call error message if service execution is unsuccessful, if the service execution success then sends the result of service call to the control point, as shown in Figure 3 to the control point.
The Control Server module is to control point returned content directory information, being connected between management of media server and the player, and control media delivery and broadcast, the data structure concrete analysis following (other are with reference to IGRS AV application framework document) of this module:
(1) media object structure, the content directory information of this structure storage server end;
(2) link information structure, this structure memory allocation is given the connection Id at control point and the link information of this Id correspondence, as transmission control protocol, current connection status etc.;
(3) AV transmission message structure, this structure memory allocation are given the AV transmission Id at control point and the transmission information of this Id correspondence, as current transmission state, transmission speed, media information etc.
Above-mentioned three structures can be integrated into a structure, because one connects unique corresponding one group and connects Id and AV transmission Id.
As follows to described Control Server module functions module analysis:
(1) media content inventory location/enquiry module, the implementation method of this module is:
Resolve control point medium location/query requests, obtain initial conditions,, send to the control point as if the legal information that then obtains medium of condition, as shown in Figure 6 according to initial conditions browsing media resource if condition does not conform to rule and sends error message to the control point.
(2) connection management module, the implementation method of this module is:
Resolve the link information query requests,,,, return relevant connection information to the control point, as shown in Figure 7 according to the connection Id inquiry link information structure of input if initial conditions is then legal if initial conditions does not conform to rule and sends error message to the control point.
Resolve connection request, obtain initial conditions, if initial conditions does not conform to rule and sends error message to the control point, if condition legal then to, distribute the idle Id of connection, initialization link information structure, if transmission service AVTS in server support media source then distributes idle AV transmission Id, initialization AV transmits message structure, the connection Id that returns distribution to the control point transmits Id with AV, as shown in Figure 8.
(3) AV transport management module, the implementation method of this module is:
Resolve control point media delivery request, obtain initial conditions, if initial conditions does not conform to rule and sends error message to the control point, then obtain link information if initial conditions is legal according to the AV transmission Id that imports, carry out the transmission of data with media player, and to control point transmission object information, as shown in Figure 9.
Resolve control point transmission information inquiring request, obtain initial conditions, if initial conditions does not conform to rule and sends error message to the control point, if initial conditions is legal then according to the AV transmission Id inquiry AV transmission information structure of importing, return associated transport information to the control point, as shown in figure 10.
2. the concrete analysis of event server module is as follows:
The data structure concrete analysis following (other are with reference to IGRS AV application framework document) of this module:
The subscription information structure, the relevant information that this structure storage control point CP subscribes to the media server Service events, all subscription information structural group become server end service subscription information table.
Described event server module functions module is the subscription information administration module, is analyzed as follows:
The analysis service event subscription requests, this subscription information is then deleted in request from the service subscription information table if cancel subscriptions, if not the request of cancelling subscriptions, then distribute idle service ID, initialization subscription information structure, upgrade the subscription information table, return service ID and other subscription information to the control point, as shown in Figure 4.
State variable changes, and has events subscribed to take place, and inquiry service subscription information table is not if existence for the subscription of this incident, then to corresponding subscription control point issuing service incident, as if the subscription that does not exist this incident, is then done any operation, as shown in Figure 5.
As mentioned above, the present invention can realize the AV server end based on the IGRS agreement, uses method of the present invention can develop IGRS AV server fast and effectively.Certainly; above-mentioned explanation is not to be limitation of the present invention; the present invention also is not limited in above-mentioned giving an example, and variation, remodeling, interpolation or replacement that those skilled in the art are made in essential scope of the present invention also should belong to protection scope of the present invention.
Claims (10)
1. the implementation method of an IGRS AV server apparatus, comprise media server, control point and media player is characterized in that: described media server provides control directory services, the service of source of media connection management, source of media transmission service, and these services provide calling interface to the control point; Described media player provides the service of target connection management, presents control service and media object transmission service, and these services provide calling interface to the control point; Described control point is by finding media services, and the interface that the service of calling provides is controlled media server and media player, media delivery and broadcast between finishing from the media server to the media player.
2. the implementation method of IGRS AV server apparatus according to claim 1 is characterized in that: described media server comprises equipment information management module, Control Server module, event server module, state table administration module, IGRS underlying protocol stack and XML data resolution module.
3. the implementation method of IGRS AV server apparatus according to claim 2 is characterized in that: described equipment information management module is used for the facility information of management of media server.
4. according to the implementation method of claim 2 or 3 described IGRS AV server apparatus, it is characterized in that: described Control Server module is used for receiving and resolving control point service invocation request message; Comprise media object structure, link information structure, AV transmission message structure, media content inventory location/enquiry module, connection management module and AV transport management module.
5. the implementation method of IGRS AV server apparatus according to claim 4 is characterized in that:
Described media object structure, memory contents directory information, corresponding media file of each media object structure or file;
Described link information structure, memory allocation is given the connection Id at control point and the link information of this Id correspondence;
Described AV transmission message structure, memory allocation is given the AV transmission Id at control point and the transmission information of this Id correspondence;
Described media content inventory location/enquiry module is resolved medium location/querying command, obtains the content corresponding directory information according to querying condition, returns medium location/lookup result to the control point;
Described connection management module, resolve the connection request at control point, distribute idle Id of connection and AV transmission Id, initialization link information structure and AV transmission message structure, return the connection Id and the AV transmission Id of distribution to the control point, resolve the link information query requests,, return corresponding link information to the control point by connecting Id inquiry link information structure;
Described AV transport management module, the AV transmission/playing request at parsing control point is carried out concrete transmission/play operation; Resolve the transmission information inquiring request,, return corresponding transmission information to the control point by AV transmission Id inquiry AV transmission message structure.
6. according to the implementation method of claim 2 or 5 described IGRS AV server apparatus, it is characterized in that: described event server module is used for receiving and resolving control point Service events subscription request message, sends the response message of Service events subscription and issues Service events to the control point; Comprise subscription information structure and subscription information administration module.
7. the implementation method of IGRS AV server apparatus according to claim 6 is characterized in that:
Described subscription information structure, the relevant information that subscribe to the media server Service events at the storage control point, all subscription information are formed the subscription information table;
Described subscription information administration module, the Service events subscribe request at parsing control point is distributed idle service ID, and initialization subscription information structure is upgraded the subscription information table, returns service ID and other subscription information to the control point; And resolve the control point Service events request of cancelling subscriptions, according to service ID, the querying information of subscription table is deleted corresponding subscription information structure; If state variable changes, the querying information of subscription table is to the control point issuing service incident of this incident of subscription.
8. the implementation method of IGRS AV server apparatus according to claim 7 is characterized in that: described state table administration module is used for management of media server state variable information.
9. the implementation method of IGRS AV server apparatus according to claim 8, it is characterized in that: described IGRS underlying protocol stack is provided by each producer, the mutual discovery mechanism pipes between devices of the equipment that defined set-up mechanism, service discovery mechanisms, session management mechanism and service access mechanism are for the control point provides perfect IGRS network communication interface.
10. the implementation method of IGRS AV server apparatus according to claim 9 is characterized in that: described XML data resolution module provides the parsing interface of XML format information.
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| CNB200510131116XA CN100414993C (en) | 2005-12-22 | 2005-12-22 | Method for realizing IGRS AV server device |
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| CNB200510131116XA CN100414993C (en) | 2005-12-22 | 2005-12-22 | Method for realizing IGRS AV server device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100414994C (en) * | 2005-12-22 | 2008-08-27 | 海信集团有限公司 | Method for realizing IGRS AV player device |
| CN100446570C (en) * | 2005-12-22 | 2008-12-24 | 海信集团有限公司 | Method for realizing IGRS AV. control point equipment |
| CN101374209B (en) * | 2007-08-21 | 2011-09-28 | 康佳集团股份有限公司 | Digital household television server based on IGRS |
| CN101517957B (en) * | 2006-09-21 | 2015-03-25 | 三星电子株式会社 | Method and apparatus synchronizing content directory service objects of universal plug and play media servers |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030095897A (en) * | 2002-06-15 | 2003-12-24 | 엘지전자 주식회사 | Synchronizing method for universal plug and play network |
| US10560278B2 (en) * | 2003-06-30 | 2020-02-11 | Koninklijke Philips N.V. | Embedding a UPnP AV MediaServer object ID in a URI |
| KR100941139B1 (en) * | 2003-09-15 | 2010-02-09 | 엘지전자 주식회사 | Method for setting media streaming parameters on universal plug and play-based network |
| CN100411384C (en) * | 2004-03-24 | 2008-08-13 | 联想(北京)有限公司 | Method for long-distance using local area network resource utilizing mobile equipment |
| CN100414994C (en) * | 2005-12-22 | 2008-08-27 | 海信集团有限公司 | Method for realizing IGRS AV player device |
| CN100446570C (en) * | 2005-12-22 | 2008-12-24 | 海信集团有限公司 | Method for realizing IGRS AV. control point equipment |
-
2005
- 2005-12-22 CN CNB200510131116XA patent/CN100414993C/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100414994C (en) * | 2005-12-22 | 2008-08-27 | 海信集团有限公司 | Method for realizing IGRS AV player device |
| CN100446570C (en) * | 2005-12-22 | 2008-12-24 | 海信集团有限公司 | Method for realizing IGRS AV. control point equipment |
| CN101517957B (en) * | 2006-09-21 | 2015-03-25 | 三星电子株式会社 | Method and apparatus synchronizing content directory service objects of universal plug and play media servers |
| CN101374209B (en) * | 2007-08-21 | 2011-09-28 | 康佳集团股份有限公司 | Digital household television server based on IGRS |
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| CN100414993C (en) | 2008-08-27 |
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