CN102946386A - Whiteboard sharing method and whiteboard sharing system for home network - Google Patents
Whiteboard sharing method and whiteboard sharing system for home network Download PDFInfo
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- CN102946386A CN102946386A CN2012104244379A CN201210424437A CN102946386A CN 102946386 A CN102946386 A CN 102946386A CN 2012104244379 A CN2012104244379 A CN 2012104244379A CN 201210424437 A CN201210424437 A CN 201210424437A CN 102946386 A CN102946386 A CN 102946386A
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Abstract
The invention discloses a whiteboard sharing method for a home network, which comprises the steps that a main control digital media server (DMS) shares a locally-stored whiteboard resource and informs a main control digital media controller (DMC) of the storage path of the shared whiteboard resource, and then the main control DMC informs ordinary digital media renders (DMRs) participating in whiteboard sharing of the storage path of the shared whiteboard resource; and the main control DMS establishes resource transmission links with the ordinary DMSs participating in whiteboard sharing and transmits the shared whiteboard resource. The method disclosed by the invention can perform a whiteboard sharing function among different terminals in the home network. The invention further discloses a whiteboard sharing system for the home network.
Description
Technical field
The present invention relates to communication technical field, in particular a kind of blank for home network is shared method and system.
Background technology
UPnP (Universal Plug and Play, UPnP) be the series of protocols of in home network, sharing content of being worked out by the UPnP tissue, it can take full advantage of the advantage of home network, and the media content that will be positioned on the distinct device is shared to other UPnP equipment.Home network device can be divided into media server (Digital Media Server by function, DMS), media controller (Digital MediaControler, DMC), media renderer (Digital Media Render, DMR) several types.
Media server DMS is used for providing the sharing functionality of home network media content, such as: media server is set up the network connection between media controller and the media server by the professional CMS of connection management (Connection Manager Service), by the media data in professional CDS (ContentDirectory Service) the management of media server of contents directory, carry out the transmission control of the media data between media controller and the media server by the professional AVT of audio video transmission (AV Transport Service).
Media controller DMC is used for media server device and the media renderer equipment of managing family network.Such as, when having media server or media renderer to add or withdrawing from the UPnP network, the media controller tabulation of being responsible for updating the equipment, media controller is also supported the media content that the browsing media server is shared, and the indication media renderer is play (the broadcast process is controlled by media controller).
Media renderer DMR is used for playing up the media content that home network gets access to, such as: media renderer is by playing up the control (such as brightness, contrast, volume etc.) of service control RCS (Rendering Control Service) realization to playing up characteristic, realize consulting with media transmission protocol and the media formats of media server by the professional CMS of connection management (ConnectionManager Service), finish playing process control by the professional AVT of audio video transmission (AV Transport Service).
Media server DMS, media controller DMC and media renderer DMR both can be used as the independent existence of independent application, also can be integrated in the same equipment.
In home network, the picture resource on the DMS only limits to share in home network at present, and for any DMC to the image sharing resource carry out blank operation (such as, convergent-divergent, draw), still there is not clear and definite standard to relate at present, therefore can't be more widely used.
Summary of the invention
Technical problem to be solved by this invention provides a kind of blank for home network and shares method and system, can realize the blank sharing functionality between the different terminals in home network.
In order to solve the problems of the technologies described above, the invention provides a kind of blank for home network and share method, the method comprises:
Master control DMS will be stored in local blank resource and share, and the store path of the blank resource that will share notifies to master control DMC, by described master control DMC the store path of described shared blank resource be notified to the shared common DMR of participation blank again;
The common DMR that described master control DMS and described participation blank are shared sets up resource transmission link and the shared blank resource of transmission.
Further, the common DMR that described master control DMS and described participation blank are shared also comprises after setting up the resource transmission link and transmitting the blank resource of sharing:
Master control DMR receives the blank control command that the arbitrary DMC in the home network sends as described, then described shared blank resource is made amendment, amended blank resource covers blank resource before and is transferred to the common DMR that the participation blank is shared by master control DMS.
Further, master control DMS will be stored in before local blank resource shares, and also comprise:
Arbitrary media controller DMC in the home network sends the blank resource to master control media renderer DMR and sets up notice, wherein carries the path of blank resource;
Master control media renderer DMR receives the rear path according to described blank resource of described blank resource foundation notice and obtains this blank resource, the blank resource that gets access to is stored on the master control DMS, and notifies described master control DMS to share this blank resource.
Further, the common DMR that described master control DMS and described participation blank are shared sets up resource transmission link and the shared blank resource of transmission, comprising:
The common DMR that described master control DMS and described participation blank are shared carries out resource negotiation by real time streaming transport protocol RTSP, the blank resource of sharing by the realtime transmission protocol RTP real-time Transmission after the resource negotiation success.
Further, master control DMR, master control DMC and master control DMS are three independently terminal equipments, perhaps are integrated on the same terminal equipment.
Further, described blank control command is followed the AVT agreement of expansion.
In order to solve the problems of the technologies described above, the present invention also provides a kind of blank shared system for home network, and this system comprises:
Blank is announced module, to be stored in local blank resource for master control DMS shares, and the store path of the blank resource that will share notifies to master control DMC, notifies the common DMR that shares to participating in blank by described master control DMC with the store path of described shared blank resource again;
The blank sharing module is used for the shared common DMR of described master control DMS and described participation blank and sets up resource transmission link and the shared blank resource of transmission.
Further, this system also comprises a blank modified module;
The blank sharing module also is used for opening the blank modified module after the shared common DMR of described master control DMS and described participation blank sets up the resource transmission link and transmits the Sharing Whiteboard resource;
The blank modified module, being used for as described, master control DMR receives the blank control command that the arbitrary DMC in the home network sends, then described shared blank resource is made amendment, amended blank resource covers blank resource before and is transferred to the common DMR that the participation blank is shared by master control DMS.
Further, this system also comprises a resource acquisition module, and the arbitrary media controller DMC that is used in the home network sends blank resource foundation notice to master control media renderer DMR, wherein carries the path of blank resource; Master control media renderer DMR receives the rear path according to described blank resource of described blank resource foundation notice and obtains this blank resource, the blank resource that gets access to is stored on the master control DMS, and notify described master control DMS to share this blank resource, then open described blank and announce module.
Further, the common DMR that described master control DMS and described participation blank are shared sets up resource transmission link and the shared blank resource of transmission, comprising:
The common DMR that described master control DMS and described participation blank are shared carries out resource negotiation by real time streaming transport protocol RTSP, the blank resource of sharing by the realtime transmission protocol RTP real-time Transmission after the resource negotiation success.
Further, master control DMR, master control DMC and master control DMS are three independently terminal equipments, perhaps are integrated on the same terminal equipment.
Further, described blank control command is followed the AVT agreement of expansion.
Compared with prior art, a kind of blank for home network provided by the invention is shared method and system, master control DMS will be stored in local blank resource and share, master control DMC notifies the store path of shared blank resource the common DMR that shares to participating in blank, the common DMR that master control DMS is shared with participating in blank sets up data link and the shared blank resource of real-time Transmission, has realized the blank sharing functionality between the different terminals in the home network.
Description of drawings
Fig. 1 is a kind of flow chart of sharing method for the blank of home network of the embodiment of the invention.
Fig. 2 is the schematic network structure of the home network among Fig. 1.
Fig. 3 is the information interaction schematic diagram between home network device among Fig. 1.
Fig. 4 is the structural representation of a kind of blank shared system for home network of the embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, hereinafter in connection with accompanying drawing embodiments of the invention are elaborated.Need to prove, in the situation that do not conflict, the embodiment among the application and the feature among the embodiment be combination in any mutually.
As shown in Figure 1, the embodiment of the invention provides a kind of blank for home network to share method, and the method comprises:
S10, master control DMS will be stored in local blank resource and share, and the store path of the blank resource that will share notifies to master control DMC, notifies the common DMR that shares to participating in blank by described master control DMC with the store path of described shared blank resource again;
S20, the common DMR that described master control DMS and described participation blank are shared set up resource transmission link and the shared blank resource of transmission.
The method further comprises following characteristics:
Wherein, master control media renderer DMR, master control media controller DMC and master control media server DMS are three independently terminal equipments, perhaps are integrated on the same terminal equipment.
Wherein, master control DMS will be stored in before local blank resource shares, and also comprise:
Arbitrary media controller DMC in the home network sends the blank resource to master control media renderer DMR and sets up notice, wherein carries the path of blank resource;
Master control media renderer DMR receives the rear path according to described blank resource of described blank resource foundation notice and obtains this blank resource, the blank resource that gets access to is stored on the master control DMS, and notifies described master control DMS to share this blank resource.
Wherein, described blank resource is set up the Uniform Resource Identifier URI (Uniform Resource Identifier) that the blank resource path that carries in the notice is this blank resource of browsing to of described DMC;
Wherein, master control DMR obtains this picture resource according to described blank resource path, comprising: master control DMR obtains this blank resource according to the URI of this blank resource by HTTP GET agreement;
Wherein, described blank resource is set up notice and is adopted the professional AVT instruction of audio video transmission; Such as, the professional AVT instruction of described audio video transmission is: " AVT:SetAVTransportURI ";
Wherein, among the step S10, the store path of the blank resource of sharing is the URI of described shared blank resource;
Wherein, among the step S20, the common DMR that described master control DMS and described participation blank are shared also comprises after setting up the resource transmission link and transmitting the blank resource of sharing:
Master control DMR receives the blank control command that the arbitrary DMC in the home network sends as described, then described shared blank resource is made amendment, amended blank resource covers blank resource before and is transferred to the common DMR that the participation blank is shared by master control DMS.
Wherein, participating in the shared common DMR of blank is the interior common DMR of part or whole common DMR of described home network; Wherein, common DMR refers to other DMR except master control DMR in the home network;
Wherein, described master control DMC notifies described Sharing Whiteboard resource path the common DMR that shares to participating in blank, comprising: described master control DMC adopts the professional AVT instruction of audio video transmission described Sharing Whiteboard resource path to be notified the common DMR that shares to participating in blank; Such as, the professional AVT instruction of described audio video transmission is: " AVT:SetAVTransportURI ";
Wherein, the common DMR that described master control DMS and described participation blank are shared sets up the resource transmission link and transmits the Sharing Whiteboard resource, comprise: the common DMR that described master control DMS and described participation blank are shared carries out resource negotiation by real time streaming transport protocol RTSP (Real Time Streaming Protocol), passes through realtime transmission protocol RTP (Real-time Transport Protocol) real-time Transmission Sharing Whiteboard resource after the resource negotiation success; Wherein, the content of described resource negotiation is such as, contents such as resource address, transmit port and media formats.
Wherein, among the step S20, described blank control command is followed the AVT agreement of expansion, such as, follow DMR AVTransport V1.0 code requirement;
Wherein, master control DMR makes amendment to described Sharing Whiteboard resource, comprising: master control DMR carries out translation, convergent-divergent to described Sharing Whiteboard or draws at described blank; Wherein, draw at blank, such as, line on blank, picture frame, increase color etc.
Wherein, amended Sharing Whiteboard resource covers Sharing Whiteboard resource before and is transferred to the common DMR that the participation blank is shared by master control DMS, specifically refer to: master control DMS regularly reads the Sharing Whiteboard resource, by Real-time Transport Protocol the Sharing Whiteboard resource is real-time transmitted to and participates in the common DMR that blank is shared; Can find out, because the DMS common DMR shared with participating in blank set up the resource transmission link and by the Real-time Transport Protocol transfer resource, according to the characteristics of RTP transmission, any modification of blank resource can both in time be upgraded in common DMR side.
Use example
A kind of schematic network structure of home network as shown in Figure 2, this home network comprises: support the DMR function TV, support the mobile phone of DMS function, support notebook computer PC1 and the PC2 of DMC and DMR function and support simultaneously DMR, DMC and the panel computer of three kinds of functions of DMS will to support simultaneously the panel computer of DMR, DMC and three kinds of functions of DMS as main control device simultaneously.Carrying out the shared method of blank in home network may further comprise the steps:
S101, PC1 (DMC function) is carried at the blank resource with the URI of the picture resource that browses to and sets up the master control DMR that sends to panel computer in the notice;
S102, the master control DMR of panel computer obtains this picture resource according to the URI of described picture resource, with this picture resource as the unloading of blank resource on the master control DMS of panel computer;
S103, the master control DMR of panel computer sends blank resource-sharing notice to the master control DMS of panel computer;
S104, the master control DMS of panel computer share this blank resource after receiving described blank resource-sharing notice;
S105, the master control DMS of panel computer notifies master control DMC to panel computer with the store path of this blank resource on described DMS as the Sharing Whiteboard resource path;
S106, the master control DMC of panel computer notifies described Sharing Whiteboard resource path to PC1 (participating in the common DMR1 that blank is shared) and PC2 (participating in the common DMR2 that blank is shared);
S107, after PC1 (participating in the common DMR1 that blank is shared) and PC2 (participating in the common DMR2 that blank is shared) were known the Sharing Whiteboard resource path, the master control DMS by RTSP agreement and panel computer carried out resource negotiation respectively;
S108, after PC1 (the common DMR1 that the participation blank is shared) and PC2 (participating in the common DMR2 that blank is shared) are successful with the master control DMS resource negotiation of panel computer, pass through RTP real-time Transmission Sharing Whiteboard resource between the master control DMS of PC1 (participating in the common DMR1 that blank is shared) and PC2 (participating in the common DMR2 that blank is shared) and panel computer;
S109, PC2 (participating in the common DMC1 that blank is shared) sends the blank control command to the master control DMR of panel computer;
S110, the master control DMR of panel computer makes amendment to described Sharing Whiteboard resource according to the described blank control command that receives, the Sharing Whiteboard resource before amended Sharing Whiteboard resource covers;
S111 passes through RTP real-time Transmission Sharing Whiteboard resource between master control DMS and PC1 (participating in the common DMR1 that blank is shared) and the PC2 (participating in the common DMR2 that blank is shared).
Wherein, the information interaction between the equipment in the home network as shown in Figure 3.
As shown in Figure 4, the embodiment of the invention provides a kind of blank shared system for home network, and this system comprises:
Blank is announced module, to be stored in local blank resource for master control DMS shares, and the store path of the blank resource that will share notifies to master control DMC, notifies the common DMR that shares to participating in blank by described master control DMC with the store path of described shared blank resource again;
The blank sharing module is used for the shared common DMR of described master control DMS and described participation blank and sets up resource transmission link and the shared blank resource of transmission.
This system further comprises following characteristics:
Wherein, this system also comprises a blank modified module;
The blank sharing module also is used for opening the blank modified module after the shared common DMR of described master control DMS and described participation blank sets up the resource transmission link and transmits the Sharing Whiteboard resource;
The blank modified module, being used for as described, master control DMR receives the blank control command that the arbitrary DMC in the home network sends, then described shared blank resource is made amendment, amended blank resource covers blank resource before and is transferred to the common DMR that the participation blank is shared by master control DMS.
Wherein, this system also comprises a resource acquisition module, and the arbitrary media controller DMC that is used in the home network sends blank resource foundation notice to master control media renderer DMR, wherein carries the path of blank resource; Master control media renderer DMR receives the rear path according to described blank resource of described blank resource foundation notice and obtains this blank resource, the blank resource that gets access to is stored on the master control DMS, and notify described master control DMS to share this blank resource, then open described blank and announce module.
Wherein, the common DMR that described master control DMS and described participation blank are shared sets up resource transmission link and the shared blank resource of transmission, comprising:
The common DMR that described master control DMS and described participation blank are shared carries out resource negotiation by real time streaming transport protocol RTSP, the blank resource of sharing by the realtime transmission protocol RTP real-time Transmission after the resource negotiation success.
Wherein, master control DMR, master control DMC and master control DMS are three independently terminal equipments, perhaps are integrated on the same terminal equipment.
Wherein, described blank control command is followed the AVT agreement of expansion.
A kind of blank for home network that above-described embodiment provides is shared method and system, master control DMS will be stored in local blank resource and share, master control DMC notifies the store path of shared blank resource the common DMR that shares to participating in blank, the common DMR that master control DMS is shared with participating in blank sets up data link and the shared blank resource of real-time Transmission, and said method and system have realized the blank sharing functionality between the different terminals in the home network.
One of ordinary skill in the art will appreciate that all or part of step in the said method can come the instruction related hardware to finish by program, described program can be stored in the computer-readable recording medium, such as read-only memory, disk or CD etc.Alternatively, all or part of step of above-described embodiment also can realize with one or more integrated circuits, and correspondingly, each the module/unit in above-described embodiment can adopt the form of hardware to realize, also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
Need to prove; the present invention also can have other various embodiments; in the situation that do not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (12)
1. a blank that is used for home network is shared method, and the method comprises:
Master control DMS will be stored in local blank resource and share, and the store path of the blank resource that will share notifies to master control DMC, by described master control DMC the store path of described shared blank resource be notified to the shared common DMR of participation blank again;
The common DMR that described master control DMS and described participation blank are shared sets up resource transmission link and the shared blank resource of transmission.
2. the method for claim 1 is characterized in that:
The common DMR that described master control DMS and described participation blank are shared also comprises after setting up the resource transmission link and transmitting the blank resource of sharing:
Master control DMR receives the blank control command that the arbitrary DMC in the home network sends as described, then described shared blank resource is made amendment, amended blank resource covers blank resource before and is transferred to the common DMR that the participation blank is shared by master control DMS.
3. method as claimed in claim 1 or 2 is characterized in that:
Master control DMS will be stored in before local blank resource shares, and also comprise:
Arbitrary media controller DMC in the home network sends the blank resource to master control media renderer DMR and sets up notice, wherein carries the path of blank resource;
Master control media renderer DMR receives the rear path according to described blank resource of described blank resource foundation notice and obtains this blank resource, the blank resource that gets access to is stored on the master control DMS, and notifies described master control DMS to share this blank resource.
4. method as claimed in claim 1 or 2 is characterized in that:
The common DMR that described master control DMS and described participation blank are shared sets up resource transmission link and the shared blank resource of transmission, comprising:
The common DMR that described master control DMS and described participation blank are shared carries out resource negotiation by real time streaming transport protocol RTSP, the blank resource of sharing by the realtime transmission protocol RTP real-time Transmission after the resource negotiation success.
5. method as claimed in claim 1 or 2 is characterized in that:
Master control DMR, master control DMC and master control DMS are three independently terminal equipments, perhaps are integrated on the same terminal equipment.
6. method as claimed in claim 2 is characterized in that:
Described blank control command is followed the AVT agreement of expansion.
7. blank shared system that is used for home network, this system comprises:
Blank is announced module, to be stored in local blank resource for master control DMS shares, and the store path of the blank resource that will share notifies to master control DMC, notifies the common DMR that shares to participating in blank by described master control DMC with the store path of described shared blank resource again;
The blank sharing module is used for the shared common DMR of described master control DMS and described participation blank and sets up resource transmission link and the shared blank resource of transmission.
8. system as claimed in claim 7 is characterized in that:
This system also comprises a blank modified module;
The blank sharing module also is used for opening the blank modified module after the shared common DMR of described master control DMS and described participation blank sets up the resource transmission link and transmits the Sharing Whiteboard resource;
The blank modified module, being used for as described, master control DMR receives the blank control command that the arbitrary DMC in the home network sends, then described shared blank resource is made amendment, amended blank resource covers blank resource before and is transferred to the common DMR that the participation blank is shared by master control DMS.
9. such as claim 7 or 8 described systems, it is characterized in that:
This system also comprises a resource acquisition module, and the arbitrary media controller DMC that is used in the home network sends blank resource foundation notice to master control media renderer DMR, wherein carries the path of blank resource; Master control media renderer DMR receives the rear path according to described blank resource of described blank resource foundation notice and obtains this blank resource, the blank resource that gets access to is stored on the master control DMS, and notify described master control DMS to share this blank resource, then open described blank and announce module.
10. such as claim 7 or 8 described systems, it is characterized in that:
The common DMR that described master control DMS and described participation blank are shared sets up resource transmission link and the shared blank resource of transmission, comprising:
The common DMR that described master control DMS and described participation blank are shared carries out resource negotiation by real time streaming transport protocol RTSP, the blank resource of sharing by the realtime transmission protocol RTP real-time Transmission after the resource negotiation success.
11. such as claim 7 or 8 described systems, it is characterized in that:
Master control DMR, master control DMC and master control DMS are three independently terminal equipments, perhaps are integrated on the same terminal equipment.
12. system as claimed in claim 8 is characterized in that:
Described blank control command is followed the AVT agreement of expansion.
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| CN2012104244379A CN102946386A (en) | 2012-10-29 | 2012-10-29 | Whiteboard sharing method and whiteboard sharing system for home network |
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