CN101068252B - Method and apparatus for synchronizing device providing content directory service with device not providing content directory service - Google Patents
Method and apparatus for synchronizing device providing content directory service with device not providing content directory service Download PDFInfo
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- CN101068252B CN101068252B CN2007101022563A CN200710102256A CN101068252B CN 101068252 B CN101068252 B CN 101068252B CN 2007101022563 A CN2007101022563 A CN 2007101022563A CN 200710102256 A CN200710102256 A CN 200710102256A CN 101068252 B CN101068252 B CN 101068252B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L12/2807—Exchanging configuration information on appliance services in a home automation network
- H04L12/2812—Exchanging configuration information on appliance services in a home automation network describing content present in a home automation network, e.g. audio video content
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Abstract
Provided is a method for synchronizing contents included in devices in a Universal Plug and Play (UPnP) network. A control point device, which contains local content but cannot provide a content directory service, converts information regarding content objects of the control point device into Digital Item Description Language Lite (DIDL-Lite) format, and manages a mapping table, thereby performing synchronization with a device such as a UPnP media server providing a content directory service, without loading a separate protocol stack.
Description
The application require on November 14th, 2006 be submitted to Korea S Department of Intellectual Property the 10-2006-0112445 korean patent application interests and be submitted to the 60/796th of United States Patent (USP) trademark office on May 3rd, 2006; The interests of No. 892 U.S. Patent applications, these applications all are disclosed in this for reference.
Technical field
The method and apparatus consistent with the present invention relates to synchronous home network device, more particularly, relates to that sync packet is contained in the content in the device in UPnP (UPnP) network.
Background technology
UPnP (UPnP) as the agreement of the electronic apparatus that is used to detect and be operatively connected to network is a household network standards.Based on the UPnP standard development be used to utilize UPnP AV (audio/video) framework of content of multimedia (for example audio/video etc.).
UPnP AV framework comprises media server, media renderer (media renderer) and is used to control the control point of media server and media renderer.Media server provides multimedia file through control directory services, and media renderer multimedia rendering file.Control point control media server and media renderer, thus they can be operated through interact with each other.Control directory services provides the metadata about the content of using in family's network internal and outside.The control point obtains the information about content through control directory services, and request is sent to media renderer to reproduce content.
If set up this UPnPAV framework, then a plurality of media servers can be present in the home network, and wherein, media server can comprise different content.In UPnP AV environment, the user possibly want easily to be distributed to synchronously the content of different content directory service (CDS); For example, the user possibly want MP3 player and home media center synchronous, to listen to the music content of on the MP3 player, storing through the Hi-Fi of high-quality family equipment.
Fig. 1 is the diagrammatic sketch that is used to explain the conventional method that the control directory services of control directory services device is provided synchronously.
With reference to Fig. 1, a kind of situation is described, wherein, the user wants to come the control directory services between the synchronous first device CDS# 1 and the second device CDS# 2 through control console.The synchronizing content directory service is meant numeric item declarative language Lite (DIDL-Lite) metadata that is used for synchronously a plurality of catalogues that are synchronized.For example, if the catalogue B of the directory A of the first device CDS# 1 and the second device CDS# 2 is synchronous, then when these two directory A and B are browsed in the control point, the control point will receive response message.
For two devices of control directory services are provided synchronously, synchronous foundation is at first carried out at the control point.Set up synchronously is to point to the processing that said two devices provide synchronous document.Be used for providing synchronously the synchronous document of two devices of control directory services can comprise about the identifier of device with the information of the information of the catalogue that is synchronized, synchronization policy etc.
If synchronous foundation is accomplished, then the control point asks first to install the synchronous of CDS# 1 based on the synchronous synchronous document that has defined between the first device CDS# 1 and the second device CDS#2.Therefore, the first device CDS# 1 and the second device CDS# 2 exchange from they contents list with the information that is updated, carry out synchronously subsequently.
In Synchronous Processing; Owing to can carry out the exchange etc. of synchronous foundation request, synchronization request, synchronously required lastest imformation, therefore provide the first device CDS# 1 of control directory services and the second device CDS# 2 can be synchronous by relatively easily through the action that provides by control directory services.
Yet, because the control point comprises local reconstructor and storage device, therefore, when the user through using the control point and attempt reproducing and during memory contents, the problem of existence being: can not Synchronization Control point and the different device of control directory services is provided.This is because when the control point does not provide control directory services, and the control point can not be provided for carrying out the synchronous action that is needed by different device.For example, different device can not be browsed the contents list that is included in the control point, and can not ask to carry out the lastest imformation that needs synchronously with the control point.
Summary of the invention
The present invention provides a kind of and is used for control point that control directory services is not provided and the synchronous method and apparatus of different device that control directory services is provided.
According to an aspect of the present invention; Provide a kind of and be used for first device that control directory services is not provided and the synchronous method for synchronous of second device that control directory services is provided, this method comprises: will be about in the content object of first device will being that have can be by the information of the predetermined format of control directory services identification with the information translation of the synchronous content object of second device; Use the information of conversion to produce the synchronous document that is used for the synchronizing content directory service; With synchronous document is offered second the device.
Method for synchronous comprises: will about be appointed as in the synchronous document with the object that is synchronized first the device content object lastest imformation and according to the synchronous message of this synchronous document request send to second the device; Be appointed as lastest imformation in about synchronous document to second device requests with the content object of second device of the object that is synchronized; With the response of conduct, upgrade the content object of being appointed as the synchronous document first device of the object that is synchronized based on the lastest imformation that receives from second device to described request.
Synchronously document comprises: can be used for specifying in the content object that first device and second installs with the identifier of the object that is synchronized and about the information of synchronization policy.
In the transmission of lastest imformation, be used to ask synchronous message comprise first device lastest imformation, or indicate the information of position of the lastest imformation of first device, unified resource identifier (URI) for example.
Be used to ask synchronous message to comprise: indication never provides the device of control directory services to send the information of said message.
A kind of computer readable recording medium storing program for performing that records the computer program that is used to carry out said method above that.
According to a further aspect in the invention; Providing a kind of is used for first device that control directory services is not provided and the synchronous synchronizer of second device that control directory services is provided; This synchronizer comprises: the information translation unit, and will be about will being that have can be by the information of the predetermined format of control directory services identification with the information translation of the synchronous content object of second device in the content object of first device; The document generator uses the information generating with predetermined format to be used for the synchronous document of synchronizing content directory service synchronously; With synchronous document the unit is provided, synchronous document is offered second device.
Synchronizer also comprises: synchronous performance element will send to second device with being used for according to the synchronous message of said synchronous document request about the lastest imformation message of being appointed as the content object that first of the object that is synchronized is installed in the synchronous document; Be appointed as lastest imformation in about synchronous document to second device requests with the content object of second device of the object that is synchronized; And, upgrade the content object of being appointed as the synchronous document first device of the object that is synchronized based on the lastest imformation that receives from second device as response to described request.
Description of drawings
Through below in conjunction with accompanying drawing its exemplary embodiment being described in detail, some characteristic of the present invention and aspect will become apparent, wherein:
Fig. 1 is used to explain the diagrammatic sketch that the device of CDS conventional method is provided synchronously;
Fig. 2 is used for schematically explaining the concept map of method for synchronous according to an exemplary embodiment of the present invention;
Fig. 3 illustrates the device that allows not provide control directory services according to an exemplary embodiment of the present invention provides flow chart from the processing of synchronous document to another device that CDS is provided;
Fig. 4 illustrates the flow chart of Synchronous Processing according to an exemplary embodiment of the present invention;
Fig. 5 is the block diagram of synchronizer according to an exemplary embodiment of the present invention; With
Fig. 6 illustrates the mapping table of being managed by synchronizer according to an exemplary embodiment of the present invention.
Embodiment
Hereinafter, will describe exemplary embodiment of the present in detail with reference to accompanying drawing.
Fig. 2 is used for schematically explaining the concept map of method for synchronous according to an exemplary embodiment of the present invention.
With reference to Fig. 2, control point device 200 comprises: control point module 211 is used to carry out the function of control point device; Content storage unit 212 is used for memory contents; With synchronization module 213, be used for carrying out synchronously.
When content storage unit 212 was used for the different information format of administrative directory structure, control point device 200 can not be synchronous with the CDS 220 of the opposing party's device by easily.This is because owing to be used for this difference of the information format of administrative directory structure; Control point device 200 can not provide the action by the control directory services request of the opposing party's device, and can not in content storage unit 212, fully reflect the lastest imformation that obtains through control point module 211 from the control directory services of the opposing party's device.
Do not receiving under the situation of request from the opposing party's device, synchronization module 213 will allow the control directory services 220 of the opposing party's device to carry out the form of synchronously required information translation for being used by control directory services 220.Specifically, synchronization module 213 will be used to manage the information mapping of bibliographic structure of local content to the information of the form that is used by control directory services 220, thereby allow synchronously.With providing below to its detailed description.
Fig. 3 illustrates the device that allows not provide control directory services according to an exemplary embodiment of the present invention provides flow chart from the processing of synchronous document to the opposing party's device that control directory services is provided.Hereinafter, carry out synchronously but do not provide the device of control directory services to be called as in " control point device ", with the control point synchronously and provide the device of control directory services to be called as in " the opposing party's device ".
With reference to Fig. 3, in operation 310, the information translation that the control point device will be included in the content object in its local memory cell is the form that is used for this content object of represent content directory service, for example DIDL-Lite.Here, content object is meant the assembly of the content (for example file or catalogue etc.) of representative structure.In addition, device generation in control point is mapped to the mapping table based on the information of DIDL-Lite with the path of local content.
In operation 320, the control directory services of control point device requests the opposing party device is carried out browse action, and receives DIDL-Lite extend markup language (XML) document as the metadata that is included in the content that comprises in the opposing party's device of response.
In operation 330, the control point device is selected the content object that is synchronized according to user's input.Just, the control point device is from the content object of control point device with by confirming that which content object is synchronous the content object of learning from the DIDL-Lite XML document of the opposing party's device reception.
In operation 340, if the content object that is synchronized is selected, then document is produced synchronously.Synchronously document comprises the information which content object about which content object of control point device and the opposing party's device must be synchronized, the type of synchronization policy etc.Synchronization policy can be about: for example when the content object that is synchronized is had different content, the rule that will be synchronized according to which object of content of object.Because therefore the opposing party's device creates synchronous document with the DIDL-Lite form with reference to synchronous document between sync period.Therefore, because document is created synchronously, so mapping table can be by reference.
In operation 350, the control point device offers the opposing party's device with synchronous document.Operation 350 control directory services to the opposing party's device provide suitable message, and send creating the action request of synchronous document.At this moment, can directly send synchronous document simultaneously, the URI of synchronous document perhaps can be provided with action request.
Fig. 4 illustrates the flow chart of Synchronous Processing according to an exemplary embodiment of the present invention.Under the situation of hypothesis, carry out the processing shown in Fig. 4 according to the foundation synchronously of finishing dealing with shown in Fig. 3.
In operation 410, the control point device sends the request to the browse action of synchronous document to the control directory services of the opposing party's device.The opposing party's device can comprise the synchronous document that from different control points device receives, and according to the synchronous document of synchronous foundation as shown in Figure 3.
In operation 420, the control point device according to user's input from by being chosen in the synchronous document that produces in the processing shown in Fig. 3 the synchronous document about the response message indication of browse action.
In operation 430, the control point device is notified the ID of selecteed synchronous document to the opposing party's device, and synchronous based on synchronous document request.Synchronous processing comprises the processing of calling the action that is provided by control directory services according to synchronous document request.Usually, when the device that control directory services is provided during from this action of the opposing party's device requests, this request unit calls from the action of the synchronously required lastest imformation of the control directory services request of the opposing party's device.
Yet because the control point device does not provide control directory services according to an exemplary embodiment of the present invention, so the control point device can not respond this calling.Therefore, best in operation 430, the control messages that is used for the action of request content directory service comprises that the indication dispensing device does not provide the information of control directory services.In addition, if the opposing party's device receives the control messages that comprises this information, then the opposing party's device does not ask the control point device to be provided for the lastest imformation with the content object that is synchronized.
Therefore, in operation 440, the control point device will indicate the lastest imformation of change of the content object of the control point device that is designated as synchronization object in the synchronous document to send to the opposing party's device, need not the opposing party's request.
Send the action of lastest imformation owing to the request that in control directory services, does not have definition to need not the opposing party; Therefore be preferably in the operation 450; The control point device is included in the message that is used for asking lastest imformation with its oneself lastest imformation, and the message of this request lastest imformation will be sent out the device to the opposing party.
Simultaneously, when initial execution was synchronous, the lastest imformation of control point device can have large scale.In this case, the control point device can send lastest imformation itself, perhaps sends the URI of the DIDL-Lite XML document of indication lastest imformation.If the URI of DIDL-Lite XML document is sent out, then when the opposing party's device was asked the DIDL-Lite XML document through corresponding URI, the control point device must provide the document.Therefore, the control point device must comprise the HTTP(Hypertext Transport Protocol) server.
In operation 460, the control point device is uploaded and/or downloaded resources based on the lastest imformation that receives from the opposing party's device.If desired, the opposing party's device also can be from the control point device downloaded resources.For allow the opposing party's device from the control point device downloaded resources, the control point device must have the http server module of the resource of providing.Only exist metadata to change, and having no under the situation of change, can omit operation 460 at content object itself with the content object that is synchronized.
In operation 470, if the control point device is found the change of its content object when execution is synchronous, then the control point device changes the renewal mapping table based on this.
Fig. 5 is the block diagram of synchronizer 500 according to an exemplary embodiment of the present invention.As shown in Figure 5, synchronizer comprises information translation unit 510, document generator 520, synchronous document provide unit 530, memory cell 540, synchronous performance element 550 and control point (CP) module 560 synchronously.
Document provides unit 530 that synchronous document is sent to the opposing party's device synchronously.Because synchronous document is sent to the opposing party's device comprises the control directory services 590 that appropriate information is offered the opposing party's device; And be used to produce the processing of action of the synchronous document of the opposing party's device from the opposing party's device requests, therefore document provides unit 530 to carry out processing through the CP module 560 of using the function of carrying out the control point device synchronously.
In addition, performance element 550 receives as the lastest imformation to request responding from control directory services 590, and uploads and/or downloaded resources based on this lastest imformation to the request of the control directory services 590 transmission lastest imformations of the opposing party's device synchronously.Performance element 550 also upgrades mapping table synchronously.
The lastest imformation of control point device 500 is sent out the device to the opposing party.At this moment, as stated, the lastest imformation of control point device 500 preferably includes the message in the lastest imformation of the control directory services 590 that is used for asking the opposing party's device.Can or indicate the URI of the position of lastest imformation to send to the opposing party's device with lastest imformation.As shown in Figure 5, synchronously performance element 550 can comprise and is used to respond the http server that is provided for synchronous resource for the request of the URI of lastest imformation and when the opposing party's device requests resource.
The action that the CP module 560 of the function of execution control point device is called the control directory services 590 of the opposing party's device, and from control directory services 590 reception responses.
Fig. 6 illustrates the mapping table of being managed by synchronizer 500 according to an exemplary embodiment of the present invention.
With reference to Fig. 5 and Fig. 6, by the mapping table of synchronizer according to the present invention 500 management the path of local content (just can by control point device identified information) being mapped to can be by the information of the DIDL-Lite form of control directory services 590 identifications of the opposing party's device.Therefore, the control point device can produce synchronous document and lastest imformation to offer the opposing party's device with reference to mapping table.Therefore, the lastest imformation that the control point device can receive from the opposing party's device through reflection in its own local content, thus carry out synchronous.
Simultaneously, the present invention also can be embodied as the computer-readable code on the computer-readable medium.Computer readable recording medium storing program for performing is that can store thereafter can be by any data storage device of the data of computer system reads.The example of computer readable recording medium storing program for performing comprises read-only memory (ROM), random-access memory (ram), CD-ROM, tape, floppy disk and optical data storage device.
As stated,, comprise local content but can not provide the control point device of control directory services can be synchronous, be used for synchronous separate protocol stack and need not to load with the UPnP media server according to the present invention.
Although specifically shown and described the present invention with reference to its exemplary embodiment; But will be understood by those skilled in the art that; Under the situation that does not break away from the spirit and scope of the present invention that are defined by the claims, can carry out the various changes on form and the details to it.
Claims (16)
1. one kind is used at universal plug and play network first device being installed synchronous method for synchronous with second, and this method comprises:
Will be about will being that have can be by the information of the predetermined format of the control directory services identification of second device with the information translation of the content object of synchronous first device of second device;
Produce the synchronous document that is used for the synchronizing content directory service based on information with predetermined format; With
Synchronous document is offered second device,
Wherein, first device is the control point that control directory services is not provided, and second device provides the network equipment of control directory services.
2. method for synchronous as claimed in claim 1 also comprises:
From the lastest imformation of content object of second device requests about second device that will be synchronized; With
In response to described request, upgrade the content object of first device that will be synchronized based on the lastest imformation that receives from second device.
3. method for synchronous as claimed in claim 1, wherein, synchronously document comprises: specify in the content object that first device and second installs with the identifier of the object that is synchronized and about the information of synchronization policy.
4. method for synchronous as claimed in claim 1, wherein, predetermined format is digital item description language Lite.
5. method for synchronous as claimed in claim 2 wherein, also comprises:
To send to second device about the lastest imformation message of the content object of first device of appointment in synchronous document; The content object of first device of appointment is as with the object that is synchronized in synchronous document, and said lastest imformation message comprises and being used for according to the synchronous message of document request synchronously;
Be used for asking synchronous message to comprise at least one of following information: the information of the position of the lastest imformation of first device that the lastest imformation of first device and indication can be obtained by second device.
6. method for synchronous as claimed in claim 5, wherein, the information of indicating positions comprises the unified resource identifier.
7. method for synchronous as claimed in claim 2 wherein, is used to ask synchronous message to comprise: indication never provides the device of control directory services to send the information that is used to ask synchronous message.
8. one kind is used at universal plug and play network first device being installed synchronous synchronizer with second, and this synchronizer comprises:
The information translation unit will be about will being that have can be by the information of the predetermined format of control directory services identification with the information translation of the content object of synchronous first device of second device;
Synchronous document generator is used for the synchronous document of synchronizing content directory service based on the information generating with predetermined format; With
Document provides the unit synchronously, and synchronous document is offered second device,
Wherein, first device is the control point that control directory services is not provided, and second device provides the network equipment of control directory services.
9. synchronizer as claimed in claim 8 also comprises: synchronous performance element,
From the lastest imformation of content object of second device requests about second device that will be synchronized; With
In response to described request, upgrade the content object of first device that will be synchronized based on the lastest imformation that receives from second device.
10. synchronizer as claimed in claim 8, wherein, synchronously document comprises: specify in the content object that first device and second installs with the identifier of the object that is synchronized and about the information of synchronization policy.
11. synchronizer as claimed in claim 8, wherein, predetermined format is digital item description language Lite.
12. synchronizer as claimed in claim 8; Wherein, Performance element will send to second device about the lastest imformation message of the content object of first device of appointment in synchronous document synchronously; The content object of first device of appointment is as with the object that is synchronized in synchronous document, and said lastest imformation message comprises and being used for according to the synchronous message of document request synchronously; Be used for asking synchronous message to comprise at least one of following information: the information of the position of the lastest imformation of first device that the lastest imformation of first device and indication can be obtained by second device.
13. synchronizer as claimed in claim 12, wherein, the information of indicating positions comprises the unified resource identifier.
14. synchronizer as claimed in claim 9; Wherein, Performance element will send to second device about the lastest imformation message of the content object of first device of appointment in synchronous document synchronously; The content object of first device of appointment is as with the object that is synchronized in synchronous document, and said lastest imformation message comprises and being used for according to the synchronous message of document request synchronously;
Be used to ask synchronously and the message of the request of lastest imformation is comprised: indication never provides the device of control directory services to send the information that is used to ask synchronous message.
15. method for synchronous as claimed in claim 1 also comprises:
Will be about will being that have can be by the information of the predetermined format of the control directory services identification of second device with the information translation of the content object of synchronous first device of second device;
Wherein, produce synchronous document based on said information with predetermined format.
16. synchronizer as claimed in claim 8 also comprises:
The information translation unit will be about will being that have can be by the information of the predetermined format of control directory services identification with the information translation of the content object of synchronous first device of second device;
Wherein, the document generator produces synchronous document based on the said information with predetermined format synchronously.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US79689206P | 2006-05-03 | 2006-05-03 | |
| US60/796,892 | 2006-05-03 | ||
| KR1020060112445 | 2006-11-14 | ||
| KR1020060112445A KR101310223B1 (en) | 2006-05-03 | 2006-11-14 | Method and apparatus for synchronizing CDS devices and non-CDS device |
| KR10-2006-0112445 | 2006-11-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101068252A CN101068252A (en) | 2007-11-07 |
| CN101068252B true CN101068252B (en) | 2012-11-07 |
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| CN2007101022563A Expired - Fee Related CN101068252B (en) | 2006-05-03 | 2007-05-08 | Method and apparatus for synchronizing device providing content directory service with device not providing content directory service |
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| KR (1) | KR101310223B1 (en) |
| CN (1) | CN101068252B (en) |
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| CN101599879B (en) * | 2008-06-03 | 2012-05-23 | 财团法人工业技术研究院 | Distributed audio-visual system and content directory management system and content directory management method thereof |
| CN101986643A (en) * | 2010-10-25 | 2011-03-16 | 中兴通讯股份有限公司 | Mobile television program home network sharing method and system |
| WO2012068438A1 (en) * | 2010-11-19 | 2012-05-24 | Thomson Licensing | Method and apparatus for aggregating server based and lan based media content and information for enabling an efficient search |
| CN102572572A (en) * | 2010-12-13 | 2012-07-11 | 中兴通讯股份有限公司 | Method, device and system for transmitting interactive content of digital television |
| KR101903039B1 (en) * | 2016-11-21 | 2018-10-01 | (주)솔트웍스 | Synchronization apparatus for unitied management system of documents |
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| KR100493896B1 (en) * | 2003-04-18 | 2005-06-10 | 삼성전자주식회사 | Method and Apparatus for Transforming Digital Content Metadata, and Network System Using the Same |
| KR100556756B1 (en) * | 2004-03-03 | 2006-03-10 | 엘지전자 주식회사 | Internet broadcasting apparatus and method using universal plug and play mediaserver |
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- 2006-11-14 KR KR1020060112445A patent/KR101310223B1/en active IP Right Grant
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| KR20070107565A (en) | 2007-11-07 |
| KR101310223B1 (en) | 2013-09-24 |
| CN101068252A (en) | 2007-11-07 |
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