CN103166948A - Digital living network alliance (DLNA) equipment demonstration system and method based on DLNA protocol - Google Patents
Digital living network alliance (DLNA) equipment demonstration system and method based on DLNA protocol Download PDFInfo
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- CN103166948A CN103166948A CN2012102782339A CN201210278233A CN103166948A CN 103166948 A CN103166948 A CN 103166948A CN 2012102782339 A CN2012102782339 A CN 2012102782339A CN 201210278233 A CN201210278233 A CN 201210278233A CN 103166948 A CN103166948 A CN 103166948A
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Abstract
The invention discloses a digital living network alliance (DLNA) equipment demonstration system and a method based on a DLNA protocol. The method based on the DLNA protocol includes the steps: A, structuring a digital media server based on DLNA protocol connection; B, establishing communication connection between a digital media player and the digital media server based on the DLNA protocol; C, controlling synchronization information of the present powerpoint through a digital media controller, and the synchronization information is synchronously displayed on the digital media player correspondingly, wherein the synchronization information of the present powerpoint is obtained from the digital media server from the digital media player. According to the DLNA equipment demonstration system and the method based on the DLNA protocol, the DLNA protocol connection is established between the digital media server and the digital media player and between the digital media player and the digital media controller, the synchronization information of the present powerpoint is controlled through the digital media controller, and the synchronization information is synchronously displayed on the digital media player correspondingly, wherein the synchronization information of the present powerpoint is obtained from the digital media server from the digital media player. Compared with the prior art, the DLNA equipment demonstration system and the method based on the DLNA protocol is capable of solving the problems that the displayed content which can not be seen clearly on the corresponding projection equipment by participated people is caused by limits of distances and angles in the present demonstrated process.
Description
Technical field
The present invention relates to networking technology area, what be specifically related to is a kind of DLNA equipment demonstration system and method based on the DLNA agreement, is mainly used in when demonstrating, and realizes that each different DLNA equipment can watch demonstration document, reaches good demonstration effect.
Background technology
Along with the development of science and technology, the electronic equipment that uses in daily life is more and more, such as projector, panel computer, digital camera, video camera, computer, multimedia player, game machine, mobile phone etc.Usually, store different files on these equipment, such as various audio frequency, photograph, video and PPT PowerPoint etc., if the user wishes to watch or appreciates the file of storing on an equipment in these electronic equipments, must could realize after utilizing corresponding process software to process on this electronic equipment.
And the appearance of DLNA (DLNA), make the shared possibility that becomes of file between each equipment, corresponding its purpose of DLNA agreement is to realize individual PC, consumer appliances, mobile device interconnects interior wireless network and cable network, thereby makes the shared possibility that becomes of Digital Media and content service.
In at present common meeting and lecture; usually can adopt the PPT PowerPoint; so that spectators can intuitively, clearly recognize the content information of explaining; but due to effects limit such as distance and angles; the participant can't see content shown on corresponding projector equipment clearly usually; make it can not understand current information, can't reach the effect of meeting and lecture.
Summary of the invention
For this reason, the object of the present invention is to provide a kind of DLNA equipment demonstration system and method based on the DLNA agreement, to solve in present presentation process because of distance and angle limits, cause the participant usually can't see the problem of displayed content on corresponding projector equipment clearly.
The objective of the invention is to be achieved through the following technical solutions.
A kind of DLNA equipment demonstration system based on the DLNA agreement, include digital media server, digital media player and Digital Media controller, between described digital media server and digital media player, be connected by the DLNA agreement between digital media player and Digital Media controller, described Digital Media controller control figure media player synchronously is updated to the demo content on digital media server on digital media player.
Preferably, described DLNA agreement comprises cable network connection protocol and wireless network connection protocol.
Preferably, described digital media server is crossed the DLNA agreement by projecting apparatus and computer expert and is connected and composed.
Preferably, described Digital Media controller is mobile phone, and described digital media player is mobile phone, panel computer or television set.
In addition, the present invention also provides a kind of DLNA equipment demonstration method based on the DLNA agreement, comprises step:
The digital media server that A, structure connect based on the DLNA agreement;
B, set up communication connection between digital media player and digital media server based on the DLNA agreement;
C, control above-mentioned digital media player by the Digital Media controller and obtain the synchronizing information of current PowerPoint from digital media server, and corresponding on digital media player simultaneous display.
Wherein steps A comprises:
Be connected the digital media server that connects based on the DLNA agreement with computer by projecting apparatus.
Include the PPT PowerPoint in wherein said digital media server.
Wherein said Digital Media controller is mobile phone, and described digital media player is mobile phone, panel computer or television set.
DLNA equipment demonstration system and method based on the DLNA agreement provided by the invention, by set up between digital media server and digital media player, digital media player is connected with DLNA agreement between the Digital Media controller, obtain the synchronizing information of current PowerPoint from digital media server by Digital Media controller control figure media player, and correspondence simultaneous display on digital media player.Compared with prior art, the invention solves in present presentation process because of distance and angle limits, cause the participant usually can't see the problem of displayed content on corresponding projector equipment clearly.
Description of drawings
Fig. 1 is system principle diagram of the present invention.
Fig. 2 is operation principle flow chart of the present invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
See also shown in Figure 1ly, Fig. 1 is system principle diagram of the present invention.The invention provides a kind of DLNA equipment demonstration system based on the DLNA agreement, it is mainly used in solving at present in meeting or lecture process, because of the distance in the document demonstration process and angle limits, cause the participant can't see the problem of displayed content on corresponding projector equipment clearly.
Wherein this system includes digital media server (DMS), digital media player (DMP), Digital Media controller (DMC), and between digital media server and digital media player, all be connected by the DLNA agreement between digital media player and Digital Media controller, and DLNA becomes five functional units with its whole application specifies, be followed successively by from top to bottom: network interconnection, procotol, media delivery, discovery control and management and the media formats of equipment.
In native system, the DLNA agreement mainly comprises wireless network: 802.11/a/b/g; Cable network: 802.3.i/u; Also can adopt other as Bluetooth, IPv4, UPnP, Profiles, HTTP, RTP etc.and above-mentioned digital media server is to cross the DLNA agreement by projecting apparatus and computer expert to connect and compose, and the agreement that adopts here is generally cable network, described Digital Media controller is mobile phone, digital media player can be mobile phone, other equipment such as panel computer or television set, this is mainly relevant with the popularization that mobile phone uses, one one of basic personnel participating in the meeting's staff, therefore the possibility of its operation is larger, store the PPT file that needs demonstration in the digital media server computer, and this document carries out Projection Display by projecting apparatus, simultaneously above-mentioned mobile phone, panel computer, television sets etc. all can be connected to this computer by the DLNA agreement, then by the Digital Media controller, other digital media player is controlled, can obtain the PPT file of current broadcast demonstration from the computer of digital media server, and realization and synchronizeing that the projecting apparatus projection is play.
Wherein share the requirement that the PPT file format of obtaining should meet the DLNA media formats here, and the DLNA media formats includes the multiple formats such as PPT, Image JPEG, PNG, GIF, TIFF, Audio LPCM AAC, AC-3, ATRAC 3plus, MP3, WMA9, AV MPEG2 MPEG-1, MPEG-4, AVC and WMV9.
More than that the DLNA equipment demonstration method that the present invention is based on the DLNA agreement below in conjunction with 2 pairs, accompanying drawing is further described to the explanation of the DLNA equipment demonstration system that the present invention is based on the DLNA agreement.
Shown in Figure 2, Fig. 2 is operation principle flow chart of the present invention.The present invention also provides a kind of DLNA equipment demonstration method based on the DLNA agreement, and the method comprises that specifically step is as follows:
The digital media server that A, structure connect based on the DLNA agreement;
Be connected the digital media server that connects based on the DLNA agreement by projecting apparatus with computer, include the PPT PowerPoint in described digital media server.
B, set up communication connection between digital media player and digital media server based on the DLNA agreement;
C, control above-mentioned digital media player by the Digital Media controller and obtain the synchronizing information of current PowerPoint from digital media server, and corresponding on digital media player simultaneous display.
Wherein said Digital Media controller is mobile phone, and described digital media player is mobile phone, panel computer or television set.
DLNA equipment demonstration system and method based on the DLNA agreement provided by the invention, by set up between digital media server and digital media player, digital media player is connected with DLNA agreement between the Digital Media controller, obtain the synchronizing information of current PowerPoint from digital media server by Digital Media controller control figure media player, and correspondence simultaneous display on digital media player.
The above is only preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. DLNA equipment demonstration system based on the DLNA agreement, it is characterized in that including digital media server, digital media player and Digital Media controller, between described digital media server and digital media player, be connected by the DLNA agreement between digital media player and Digital Media controller, described Digital Media controller control figure media player synchronously is updated to the demo content on digital media server on digital media player.
2. the DLNA equipment demonstration system based on the DLNA agreement according to claim 1, is characterized in that described DLNA agreement comprises cable network connection protocol and wireless network connection protocol.
3. the DLNA equipment demonstration system based on the DLNA agreement according to claim 1 and 2 is characterized in that described digital media server crosses the DLNA agreement by projecting apparatus and computer expert and connect and compose.
4. the DLNA equipment demonstration system based on the DLNA agreement according to claim 1 and 2, is characterized in that described Digital Media controller is mobile phone, and described digital media player is mobile phone, panel computer or television set.
5. DLNA equipment demonstration method based on the DLNA agreement is characterized in that comprising step:
The digital media server that A, structure connect based on the DLNA agreement;
B, set up communication connection between digital media player and digital media server based on the DLNA agreement;
C, control above-mentioned digital media player by the Digital Media controller and obtain the synchronizing information of current PowerPoint from digital media server, and corresponding on digital media player simultaneous display.
6. the DLNA equipment demonstration method based on the DLNA agreement according to claim 5 is characterized in that steps A comprises:
Be connected the digital media server that connects based on the DLNA agreement with computer by projecting apparatus.
7. according to claim 5 or 6 described DLNA equipment demonstration methods based on the DLNA agreement, is characterized in that including in described digital media server the PPT PowerPoint.
8. the DLNA equipment demonstration method based on the DLNA agreement according to claim 5, is characterized in that described Digital Media controller is mobile phone, and described digital media player is mobile phone, panel computer or television set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012102782339A CN103166948A (en) | 2012-08-07 | 2012-08-07 | Digital living network alliance (DLNA) equipment demonstration system and method based on DLNA protocol |
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| CN2012102782339A CN103166948A (en) | 2012-08-07 | 2012-08-07 | Digital living network alliance (DLNA) equipment demonstration system and method based on DLNA protocol |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104158900A (en) * | 2014-08-25 | 2014-11-19 | 焦点科技股份有限公司 | Method and system for synchronizing courseware through iPad controlling |
| CN105379298A (en) * | 2013-07-05 | 2016-03-02 | 皇家飞利浦有限公司 | Patient user interface for controlling a patient display |
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