CN104468526A - Content sharing method and access method of digital media server and related devices - Google Patents
Content sharing method and access method of digital media server and related devices Download PDFInfo
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- CN104468526A CN104468526A CN201410650014.8A CN201410650014A CN104468526A CN 104468526 A CN104468526 A CN 104468526A CN 201410650014 A CN201410650014 A CN 201410650014A CN 104468526 A CN104468526 A CN 104468526A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
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Abstract
The invention provides a content sharing method and an access method of a digital media server and related devices. The content sharing method includes the steps that the DMS sends equipment description information to any control point, wherein the equipment description information includes the equipment type of the DMS, and the equipment type of the DMS is defined by a user; the DMS receives a content access request of first DLNA control points, wherein the first DLAN control points recognize the used-defined DMS as an access available DMS; the DMS shares requested content with the first DLAN control points. The invention further discloses the corresponding access method and the related devices. According to the content sharing method and the access method of the digital media server and the related devices, because the equipment type of the DMS is reported to be defined by the user and not all control points can recognize the DMS, only part of a DMC or DMP where the control points capable of recognizing the user-defined DMS are located can have access to the content of the DMS, and therefore the content of the DMS is only shared in part of the DMC or DMP, and the privacy of the content is protected.
Description
Technical field
The present invention relates to multimedia technology field, particularly relate to a kind of content sharing method of digital media server, access method and relevant apparatus.
Background technology
In recent years, DLNA (Digital Living Network Alliance, DLNA) this multi-media network is shared technology and is obtained using more and more widely, among the life incorporating users gradually.The type of DLNA device mainly contains digital media player DMP, Digital Media renderer DMR, digital media server DMS and digital media controller DMC.Wherein, media file can be shared out by http-server by DMS, and DMC and DMP equipment comprises DLNA control point (DLNA ControlPoint), the media content shared in DMS can be browsed, and be play to DMP or DMR by interactive controlling propelling movement media.
But the content that in the network segment, DMS shares does not wish to be undertaken browsing access by all control points, and traditional DLNA device cannot realize.
Summary of the invention
The embodiment of the present invention provides a kind of content sharing method of digital media server, access method and relevant apparatus, to make also not all control point can identify this digital media server, thus the content of this digital media server is only shared in part control point place digital media controller or digital media player.
On the one hand, present embodiments provide a kind of content sharing method of digital media server, comprising:
Digital media server DMS is to arbitrary control point transmitting apparatus descriptor, and wherein, described device descriptive information comprises the device type of described DMS, and the device type of described DMS is customization type;
Described DMS receives the content access request at the first DLNA DLNA control point, and wherein, the DMS of described customization type is identified as addressable DMS by a described DLNA control point;
Described DMS shares asked content to a described DLNA control point.
On the other hand, present embodiments provide a kind of access method of digital media server, comprising:
DLNA DLNA control point receives the device descriptive information that digital media server DMS sends, and wherein, described device descriptive information comprises the device type of described DMS, and the device type of described DMS is customization type;
The DMS of described customization type is identified as addressable DMS by described DLNA control point;
Described DLNA control point sends content access request to described DMS;
Described DLNA control point receives the content that described DMS shares.
Another aspect, present embodiments provides a kind of digital media server, comprising:
Transmitting element, for arbitrary control point transmitting apparatus descriptor, wherein, described device descriptive information comprises the device type of described DMS, and the device type of described DMS is customization type;
Receiving element, for receiving the content access request at the first DLNA DLNA control point, wherein, the DMS of described customization type is identified as addressable DMS by a described DLNA control point;
Shared cell, for sharing asked content to a described DLNA control point.
Another aspect, present embodiments provide a kind of digital media controller DMC/ digital media player DMP, described DMC/DMP and comprise DLNA DLNA control point, it is characterized in that, described DLNA control point comprises:
Receiving element, for receiving the device descriptive information that digital media server DMS sends, wherein, described device descriptive information comprises the device type of described DMS, and the device type of described DMS is customization type;
Recognition unit, for being identified as addressable DMS by the DMS of described customization type;
Transmitting element, for sending content access request to described DMS;
Described receiving element is also for receiving the content that described DMS shares.
Another aspect, present embodiments provides a kind of digital media content shared system, comprises aforementioned digital media server, aforementioned digital media controller DMC/ digital media player DMP, Digital Media renderer DMR.
Visible, according to the content sharing method of a kind of digital media server that the embodiment of the present invention provides, access method and relevant apparatus, by the device type of digital media server is reported as customization type, make also not all control point can identify this digital media server, and the digital media controller at the place, control point of the digital media server of this customization type or digital media player can access the content of this digital media server only to have part to identify, thus the content of this digital media server is only shared in part number media controller or digital media player, protect the privacy of content.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The schematic flow sheet of the content sharing method of a kind of digital media server that Fig. 1 provides for the embodiment of the present invention;
The schematic flow sheet of the access method of a kind of digital media server that Fig. 2 provides for the embodiment of the present invention;
The structural representation of a kind of digital media server that Fig. 3 provides for the embodiment of the present invention;
The structural representation of a kind of digital media controller DMC/ digital media player DMP that Fig. 4 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, the schematic flow sheet of the content sharing method of a kind of digital media server provided for the embodiment of the present invention, the method comprises the following steps:
Step S101, digital media server DMS are to arbitrary control point transmitting apparatus descriptor, and wherein, described device descriptive information comprises the device type of described DMS, and the device type of described DMS is customization type.
General plug-and-play protocol (Universal Plug and Play, UPnP) specify, DMS is when starting, namely at the discovery phase of DMS, need to provide device context to control point, be used for describing in detail the information of this equipment, comprising UPnP protocol version, device type, manufacturer's information, service describing table information etc.And in a local area network (LAN), multiple control point may be there is, these control points are arranged in DMP, DMC, and these control points for finding DMS, and control to send content access request to DMS, receive the content that DMS shares.Therefore, the arbitrary control point in this local area network (LAN) can receive the device descriptive information that this DMS sends or broadcasts.
In the present embodiment, the device type of amendment DMS is customization type, and off-gauge DMS device type namely, this DMS is labeled as " non-DMS " equipment, particularly, UPnP standard digital media server urn is urn:schemas-upnp-org:device:MediaService:v, and revising above-mentioned urn is customization type: urn:my-domain:device:myType:v; The media server of customization type, declares that the device type of oneself is myType; When above-mentioned self-defined urn is resolved at third party control point, myType type cannot be judged, therefore cannot add and access this equipment; Increase above-mentioned self-defined urn from exploitation control point to support, myType type can be resolved, and classified as DMS equipment and process, namely can add the filtration of this urn during the module programming of control point, this urn is done identical process with the urn of standard DMS.Here, third party control point is generally the control point in DMC and DMP that other manufacturer provides, such Software for Design is not had in this control point, using the DMS device type of the device type of customization type as standard, certainly develop control point and then refer to the scheme that have employed the present embodiment, using the control point that the device type of customization type designs as the DMS device type of standard.
Step S102, described DMS receive the content access request at the first DLNA DLNA control point, and wherein, the DMS of described customization type is identified as addressable DMS by a described DLNA control point.
Arbitrary control point all have received the device descriptive information of DMS, but third party control point can not identify this DMS, thus the content in DMS can not be accessed, certainly develop control point and then can identify this DMS, thus content access request can be sent to this DMS, certain content in request DMS.DMS is received from the content access request at exploitation control point.
Step S103, described DMS share asked content to a described DLNA control point.
After DMS receives the content access request at DLNA control point, share asked content to this DLNA control point.
Visible, according to the content sharing method of a kind of digital media server that the embodiment of the present invention provides, by the device type of digital media server is reported as customization type, make also not all control point can identify this digital media server, and the digital media controller at the place, control point of the digital media server of this customization type or digital media player can access the content of this digital media server only to have part to identify, thus the content of this digital media server is only shared in part number media controller or digital media player, protect the privacy of content.
Refer to Fig. 2, the schematic flow sheet of the access method of a kind of digital media server provided for the embodiment of the present invention, the method comprises the following steps:
Step S201, DLNA DLNA control point receives the device descriptive information that digital media server DMS sends, and wherein, described device descriptive information comprises the device type of described DMS, and the device type of described DMS is customization type.
In the present embodiment, DLNA control point is arranged in DMC or DMP.Arbitrary DMS, when starting, needs to provide device context to the control point in local area network (LAN), is used for describing in detail the information of this equipment, comprising UPnP protocol version, and device type, manufacturer's information, service describing table information etc.DLNA control point in DMC or DMP receives the device descriptive information that this DMS sends or broadcasts.
In the present embodiment, it is customization type that DMS have modified its device type, and off-gauge DMS device type namely, this DMS is labeled as " non-DMS " equipment, particularly, UPnP standard digital media server urn is urn:schemas-upnp-org:device:MediaService:v, and revising above-mentioned urn is customization type: urn:my-domain:device:myType:v; The media server of customization type, declares that the device type of oneself is myType.
Step S202, the DMS of described customization type is identified as addressable DMS by described DLNA control point.
When above-mentioned self-defined urn is resolved at third party control point, myType type cannot be judged, therefore cannot add and access this equipment; Increase above-mentioned self-defined urn from exploitation control point to support, myType type can be resolved, and classified as DMS equipment and process, namely can add the filtration of this urn during the module programming of control point, this urn is done identical process with the urn of standard DMS.Here, third party control point is generally the control point in DMC and DMP that other manufacturer provides, such Software for Design is not had in this control point, using the DMS device type of the device type of customization type as standard, certainly develop control point and then refer to the scheme that have employed the present embodiment, using the control point that the device type of customization type designs as the DMS device type of standard, the control point in the present embodiment refers to from developing control point.
Step S203, described DLNA control point sends content access request to described DMS.
Arbitrary control point all have received the device descriptive information of DMS, but third party control point can not identify this DMS, thus the content in DMS can not be accessed, certainly develop control point and then can identify this DMS, thus content access request can be sent to this DMS, certain content in request DMS.
Step S204, described DLNA control point receives the content that described DMS shares.
Visible, according to the access method of a kind of digital media server that the embodiment of the present invention provides, the device type reported by receiving digital media server is customization type, and identify that the DMS of this customization type is addressable DMS, make the control point in this digital media controller or digital media player can identify this digital media server, thus this digital media controller or digital media player can access this media server.
Refer to Fig. 3, be the structural representation of a kind of digital media server that the embodiment of the present invention provides, this digital media server 1000 comprises:
Transmitting element 11, for arbitrary control point transmitting apparatus descriptor, wherein, described device descriptive information comprises the device type of described DMS, and the device type of described DMS is customization type.
UPnP specifies, DMS, when starting, namely at the discovery phase of DMS, needs to provide device context to control point, is used for describing in detail the information of this equipment, comprising UPnP protocol version, and device type, manufacturer's information, service describing table information etc.And in a local area network (LAN), multiple control point may be there is, these control points are arranged in DMP, DMC, and these control points for finding DMS, and control to send content access request to DMS, receive the content that DMS shares.Therefore, the arbitrary control point in this local area network (LAN) can receive the device descriptive information that this DMS sends or broadcasts.
In the present embodiment, the device type of amendment DMS is customization type, and off-gauge DMS device type namely, this DMS is labeled as " non-DMS " equipment, particularly, UPnP standard digital media server urn is urn:schemas-upnp-org:device:MediaService:v, and revising above-mentioned urn is customization type: urn:my-domain:device:myType:v; The media server of customization type, declares that the device type of oneself is myType; When above-mentioned self-defined urn is resolved at third party control point, myType type cannot be judged, therefore cannot add and access this equipment; Increase above-mentioned self-defined urn from exploitation control point to support, myType type can be resolved, and classified as DMS equipment and process, namely can add the filtration of this urn during the module programming of control point, this urn is done identical process with the urn of standard DMS.Here, third party control point is generally the control point in DMC and DMP that other manufacturer provides, such Software for Design is not had in this control point, using the DMS device type of the device type of customization type as standard, certainly develop control point and then refer to the scheme that have employed the present embodiment, using the control point that the device type of customization type designs as the DMS device type of standard.
Receiving element 12, for receiving the content access request at the first DLNA DLNA control point, wherein, the DMS of described customization type is identified as addressable DMS by a described DLNA control point.
Arbitrary control point all have received the device descriptive information of DMS, but third party control point can not identify this DMS, thus the content in DMS can not be accessed, certainly develop control point and then can identify this DMS, thus content access request can be sent to this DMS, certain content in request DMS.Receiving element 12 is received from the content access request at exploitation control point.
Shared cell 13, for sharing asked content to a described DLNA control point.
After receiving element 12 receives the content access request at DLNA control point, shared cell 13 shares asked content to this DLNA control point.
Visible, according to a kind of digital media server that the embodiment of the present invention provides, by the device type of digital media server is reported as customization type, make also not all control point can identify this digital media server, and the digital media controller at the place, control point of the digital media server of this customization type or digital media player can access the content of this digital media server only to have part to identify, thus the content of this digital media server is only shared in part number media controller or digital media player, protect the privacy of content.
Refer to Fig. 4, be the structural representation of a kind of digital media controller DMC/ digital media player DMP that the embodiment of the present invention provides, this DMC/DMP2000 comprises DLNA control point 200, and this DLNA control point 200 comprises:
Receiving element 21, for receiving the device descriptive information that digital media server DMS sends, wherein, described device descriptive information comprises the device type of described DMS, and the device type of described DMS is customization type.
In the present embodiment, DLNA control point is arranged in DMC or DMP.Arbitrary DMS, when starting, needs to provide device context to the control point in local area network (LAN), is used for describing in detail the information of this equipment, comprising UPnP protocol version, and device type, manufacturer's information, service describing table information etc.DLNA control point in DMC or DMP receives the device descriptive information that this DMS sends or broadcasts.
In the present embodiment, it is customization type that DMS have modified its device type, and off-gauge DMS device type namely, this DMS is labeled as " non-DMS " equipment, particularly, UPnP standard digital media server urn is urn:schemas-upnp-org:device:MediaService:v, and revising above-mentioned urn is customization type: urn:my-domain:device:myType:v; The media server of customization type, declares that the device type of oneself is myType.
Recognition unit 22, for being identified as addressable DMS by the DMS of described customization type.
When above-mentioned self-defined urn is resolved at third party control point, myType type cannot be judged, therefore cannot add and access this equipment; Increase above-mentioned self-defined urn from exploitation control point to support, myType type can be resolved, and classified as DMS equipment and process, namely can add the filtration of this urn during the module programming of control point, this urn is done identical process with the urn of standard DMS.Here, third party control point is generally the control point in DMC and DMP that other manufacturer provides, such Software for Design is not had in this control point, recognition unit 22 is using the DMS device type of the device type of customization type as standard, certainly develop control point and then refer to the scheme that have employed the present embodiment, using the control point that the device type of customization type designs as the DMS device type of standard, the control point in the present embodiment refers to from developing control point.
Transmitting element 23, for sending content access request to described DMS.
Arbitrary control point all have received the device descriptive information of DMS, but third party control point can not identify this DMS, thus the content can not accessed in DMS, certainly develop control point and then can identify this DMS, thus the transmitting element 23 from exploitation control point can send content access request to this DMS, certain content in request DMS.
Described receiving element 21 is also for receiving the content that described DMS shares.
Visible, according to a kind of digital media controller/digital media player that the embodiment of the present invention provides, the device type reported by receiving digital media server is customization type, and identify that the DMS of this customization type is addressable DMS, make the control point in this digital media controller or digital media player can identify this digital media server, thus this digital media controller or digital media player can access this media server.
It should be noted that, for aforesaid each embodiment of the method, in order to simple description, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not by the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in specification all belongs to preferred embodiment, and involved action and module might not be that the present invention is necessary.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention can use hardware implementing, or firmware realizes, or their compound mode realizes.When implemented in software, above-mentioned functions can be stored in computer-readable medium or as the one or more instruction on computer-readable medium or code and transmit.Computer-readable medium comprises computer-readable storage medium and communication media, and wherein communication media comprises any medium being convenient to transmit computer program from a place to another place.Storage medium can be any usable medium that computer can access.As example but be not limited to: computer-readable medium can comprise random access memory (Random Access Memory, RAM), read-only memory (Read-Only Memory, ROM), EEPROM (Electrically Erasable Programmable Read Only Memo) (Electrically Erasable Programmable Read-Only Memory, EEPROM), read-only optical disc (Compact Disc Read-Only Memory, or other optical disc storage CD-ROM), magnetic disk storage medium or other magnetic storage apparatus, or the program code that can be used in carrying or storing the expectation with instruction or data structure form also can by any other medium of computer access.In addition.Any connection can be suitable become computer-readable medium.Such as, if software uses coaxial cable, optical fiber cable, twisted-pair feeder, Digital Subscriber Line (Digital Subscriber Line, DSL) or the wireless technology of such as infrared ray, radio and microwave and so on from website, server or other remote source, so the wireless technology of coaxial cable, optical fiber cable, twisted-pair feeder, DSL or such as infrared ray, wireless and microwave and so on be included in affiliated medium fixing in.As used in the present invention, dish (Disk) and dish (disc) comprise compression laser disc (CD), laser dish, laser disc, Digital Versatile Disc (DVD), floppy disk and Blu-ray Disc, the copy data of the usual magnetic of its mid-game, dish then carrys out the copy data of optics with laser.Combination above also should be included within the protection range of computer-readable medium.
In a word, the foregoing is only the preferred embodiment of technical solution of the present invention, be not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. a content sharing method for digital media server, is characterized in that, comprising:
Digital media server DMS is to arbitrary control point transmitting apparatus descriptor, and wherein, described device descriptive information comprises the device type of described DMS, and the device type of described DMS is customization type;
Described DMS receives the content access request at the first DLNA DLNA control point, and wherein, the DMS of described customization type is identified as addressable DMS by a described DLNA control point;
Described DMS shares asked content to a described DLNA control point.
2. the method for claim 1, it is characterized in that, the DMS of described customization type, using the DMS device type of the device type of described customization type as standard, is identified as addressable DMS to make a described DLNA control point by a described DLNA control point.
3. method as claimed in claim 1 or 2, it is characterized in that, described device descriptive information also comprises UPnP UPnP protocol version, manufacturer's information, service describing table information.
4. method as claimed in claim 1 or 2, it is characterized in that, a described DLNA control point is arranged in digital media controller DMC or digital media player DMP.
5. an access method for digital media server, is characterized in that, comprising:
DLNA DLNA control point receives the device descriptive information that digital media server DMS sends, and wherein, described device descriptive information comprises the device type of described DMS, and the device type of described DMS is customization type;
The DMS of described customization type is identified as addressable DMS by described DLNA control point;
Described DLNA control point sends content access request to described DMS;
Described DLNA control point receives the content that described DMS shares.
6. method as claimed in claim 5, it is characterized in that, the DMS of described customization type is identified as addressable DMS by described DLNA control point, comprising:
Described DLNA control point is using the DMS device type of the device type of described customization type as standard.
7. a digital media server, is characterized in that, comprising:
Transmitting element, for arbitrary control point transmitting apparatus descriptor, wherein, described device descriptive information comprises the device type of described DMS, and the device type of described DMS is customization type;
Receiving element, for receiving the content access request at the first DLNA DLNA control point, wherein, the DMS of described customization type is identified as addressable DMS by a described DLNA control point;
Shared cell, for sharing asked content to a described DLNA control point.
8. digital media server as claimed in claim 7, it is characterized in that, the DMS of described customization type, using the DMS device type of the device type of described customization type as standard, is identified as addressable DMS to make a described DLNA control point by a described DLNA control point.
9. digital media server as claimed in claim 7 or 8, it is characterized in that, described device descriptive information also comprises UPnP UPnP protocol version, manufacturer's information, service describing table information.
10. digital media server as claimed in claim 7 or 8, it is characterized in that, a described DLNA control point is arranged in digital media controller DMC or digital media player DMP.
11. 1 kinds of digital media controller DMC/ digital media player DMP, described DMC/DMP comprises DLNA DLNA control point, it is characterized in that, described DLNA control point comprises:
Receiving element, for receiving the device descriptive information that digital media server DMS sends, wherein, described device descriptive information comprises the device type of described DMS, and the device type of described DMS is customization type;
Recognition unit, for being identified as addressable DMS by the DMS of described customization type;
Transmitting element, for sending content access request to described DMS;
Described receiving element is also for receiving the content that described DMS shares.
12. DMC/DMP as claimed in claim 11, is characterized in that, described recognition unit specifically for: using the DMS device type of the device type of described customization type as standard.
13. 1 kinds of digital media content shared systems, it is characterized in that, comprise the digital media server described in claim 7-10 any one, the digital media controller DMC/ digital media player DMP described in claim 11 or 12, Digital Media renderer DMR.
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| CN109495571A (en) * | 2018-11-22 | 2019-03-19 | 北京远特科技股份有限公司 | File management method and file management system |
| CN109495571B (en) * | 2018-11-22 | 2022-03-22 | 北京远特科技股份有限公司 | File management method and file management system |
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| CN104468526B (en) | 2018-01-19 |
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