CN101404752A - Video-on-demand system used for local area network - Google Patents
Video-on-demand system used for local area network Download PDFInfo
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- CN101404752A CN101404752A CNA2008102168302A CN200810216830A CN101404752A CN 101404752 A CN101404752 A CN 101404752A CN A2008102168302 A CNA2008102168302 A CN A2008102168302A CN 200810216830 A CN200810216830 A CN 200810216830A CN 101404752 A CN101404752 A CN 101404752A
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Abstract
The invention discloses a video on demand system used in an LAN. The video on demand system comprises a central server for storing multimedia data, a server data management terminal which is connected with the central server and is used for managing and operating the data of the server and a video on demand terminal connected with the central server by the LAN. The video on demand terminal is connected with the central server by the LAN, the central server listens in each video on demand terminal by a monitoring program, and when the video on demand terminal receives an on-demand request, the server monitoring program responds to the request, obtains IP address information of the video on demand terminal, then sends the on-demand multimedia data to the video on demand terminal, and records the related on demand information. By pre-storing a large number of multimedia data in a uniform central server, users can quickly and conveniently inquire, browse and request multimedia programs at various video on demand terminal (VOD all-in-one machine) at any time according to own interests and needs.
Description
[technical field]
The present invention relates to VOD all-in-one and multi-media network transmission technique field, particularly a kind of video on-demand system that is used in the local area network (LAN).
[background technology]
The VOD video request program is a kind of multimedia service, by a large amount of program of server stores, send video data to user by user's demand then, make the user just can browse, search for, check available database resource, obtain film or other multimedia presentation contents.It has changed the one way propagation of program in the past, realizes spectators and information source interaction.At present, the VOD video on-demand system of various places is mostly under test, generally adopts external set-top box scenario.Yet external set-top box need be purchased set-top box separately, the cost height, and set-top box and television set will be used remote controller respectively, are provided with and troublesome poeration, not enough hommization.And owing to need connect power supply, netting twine, tv line etc. separately, trouble is installed, influences indoor attractive in appearance.In addition, transfer of data between the now general video on-demand system server and client side adopts the NFS mode, this mode requires too strict to the error correction error checking of data flow, in case congested generation data-bag lost takes place or makes a mistake in network, client will require server end to carry out data re-transmission, this has had a strong impact on the fluency of transmission speed and multimedia for the video on-demand system with a large amount of multi-medium data transmission, has also reduced utilization of network bandwidth.
[summary of the invention]
For addressing the above problem, main purpose of the present invention is to provide a kind of video on-demand system that is applied in the local area network (LAN), make the user can be at any time each program request terminal (VOD all-in-one) according to oneself needs carry out rapidly, inquire about easily, browse, the free online multimedium program.
For achieving the above object, technical scheme of the present invention is:
A kind of video on-demand system that is used in the local area network (LAN), include the storage multimedia document central server, link to each other with server data management end that data in server is managed operation and the video request program end that is connected with central server by local area network (LAN) with central server.
A kind of implementation method of video on-demand system is characterized in that, comprises the steps:
The central server stores multimedia document uses database that this multimedia document is managed;
The data management end manages operation to data in server;
The video request program end is connected with central server by local area network (LAN), central server is monitored each program request terminal by oracle listener, when the program request terminal has order request, the server oracle listener will respond it, obtain the IP address information of this program request terminal, send the multi-medium data of institute's program request then to it, and this time program request relevant information is carried out record.
Compared to prior art, video on-demand system and its implementation that the present invention is used in the local area network (LAN) can realize that the user is at any time according to own required free online multimedium audio/video program.By a large amount of multimedia document of the pre-storage of unified central server, the user can be at any time each program request terminal (VOD all-in-one) according to oneself hobby and needs carry out rapidly, inquire about easily, browse, the free online multimedium program.
[description of drawings]
Fig. 1 is used for the theory structure block diagram of the video on-demand system in the local area network (LAN) for the present invention.
Fig. 2 is the theory structure block diagram of another embodiment of the present invention.
Fig. 3 is the software flow diagram of the central server end among Fig. 1.
Fig. 4 is the software flow diagram of the video request program end among Fig. 1.
[embodiment]
See also shown in Figure 1ly, the present invention is a kind of to be used for video on-demand system in the local area network (LAN), comprises central server, server data management end, video request program end.
Central server is the main frame that is used for storing multimedia document, uses database that these files are effectively managed, and uses oracle listener that each program request terminal is monitored then.When the program request terminal has order request, the server oracle listener will respond it, at first obtain the IP address information of this program request terminal, send the multi-medium data of institute's program request then to it, and this time program request relevant information is carried out record.The present invention adopts and the powerful main frame of (SuSE) Linux OS is housed as server.Have safer, stable user's login mode and user and use pattern, also have abundanter software resource to use for free.
The server data management end is to be used for operating side that the Linux data in server is managed.In the present embodiment, adopt the web form web page to manage, use the PHP language to develop, by the Web website realization of special exploitation is long-range server data is managed, comprise uploading, classify, putting in order of multimedia document, the renewal of up-to-date information, the typing of peripheral related service information, the typing of various announcements, notice manages or the like each program request terminal information.As long as the correct server ip address of input is logined with legal users name and password, just can on any one PC that linux system, Windows system or other system be housed, carry out the management of server data.Adopt this form, just very convenient to the data in server management, can be not limited to a certain computer, do not need special software to be installed for this management, it is just passable only to need basic function of surfing the Net.
The video request program end adopts the VOD all-in-one, and the VOD all-in-one is distributed in each zone, is connected with central server by local area network (LAN), and embedded special embedded type CPU carries the embedded Linux system through customization.Add that special audio frequency and video process chip and TV signal processing chip are integrated on the mainboard, constitute the VOD all-in-one that not only can watch ordinary tv programme but also can carry out video request program.This VOD all-in-one has embedded Linux system, can set fixedly IP or obtain IP in order to identify its identity to server from server at random.Can also handle a plurality of tasks simultaneously, have powerful network function, have man-machine communication interface attractive in appearance.Need not special mounting, TV program, video request program easy switching.By the video request program passage, can check domestic and international up-to-date information easily, can inquire about the important public place information and the peripheral information on services of surrounding area, can all kinds of films of program request etc.Operation video request program program on this VOD all-in-one, by this program can inquire by classification, various multimedia messagess on the browser server, can inquire about up-to-date information, peripheral various information on services, can send the order request of audio-visual information to server, after the server response, obtain video-audio data from server, carry out played in full screen.The VOD all-in-one communicates with server by socket communication earlier and is connected, and obtains protocol information; When on all-in-one, carrying out video request program, all-in-one sends order request information by socket communication to server, server is by the multimedia messages of http agreement transmission big data quantity then, and this moment just can the smooth multimedia information of watching own program request on all-in-one.In addition, the VOD all-in-one also has the network exchange function, other as PC, equipment such as notebook computer, the network interface that can directly provide by the VOD all-in-one is connected to the Internet, does not need to increase other network access devices such as the network switch or router, the abundant so effective existing resources of having utilized, both save spending, saved a lot of unnecessary troubles again.
Figure 2 shows that the mode of extension of system of the present invention, include a plurality of servers, a plurality of server data management ends, a plurality of program request terminals.Wherein one is master server, is mounted with oracle listener on it, and the database in multi-medium data source is arranged simultaneously, and other servers are managed.Like this can equally loaded, allow different program request terminals obtain data from different servers, to avoid network congestion.Other server mainly loads the multimedia information simultaneously, can directly transfer data to the program request terminal, alleviates the burden of master server, makes the network data shunting.Owing to adopt the Web site format that the data in server storehouse is managed, so a plurality of server data management ends do not need specific management end, only need to be connected to this local area network (LAN), and by right user name and password, have corresponding authority and just can on any PC, manage maintenance, bring great convenience for the management of database server database.
Fig. 3 is the central server end software flow diagram of system of the present invention, and server OS starts the server oracle listener after starting automatically, opens the service of Apache http network.In oracle listener, to set up earlier and monitor subprogram, unsuccessful then failure is withdrawed from, and is successful then enter this subprocess continuation execution.Subprocess is made as the first process of new session, makes it become finger daemon.Set up socket communication then, make it be in listening state.When having listened to the program request terminal when request of data is arranged, then set up new subprocess, in this subprocess, this request of data is responded, parent process then keeps listening state, the request of his program request terminal of monitor.So just can satisfy the requirement that a station server is served a plurality of program request terminals simultaneously, make a plurality of program request terminals to carry out various inquiries, order program service simultaneously, be independent of each other.
Fig. 4 after system start-up, carries out necessary initialization from tape operation system for the software flow diagram of video request program terminal, program request terminal, moves the video request program program then.Video request program Automatic Program display navigation interface is set up socket with server and is communicated by letter, and the success back receives the multimedia information that sends from server, is presented at respectively under each corresponding classification, and the user just can inquire about, browse.When family usefulness views the program of oneself liking, can carry out program request, program request this moment terminal just sends order request to server, after server is received order request, from the correct path of data base querying, send to the program request end, the program request end obtains multi-medium data by the http agreement, just begins then to play.
Most preferred embodiment described above only is that the present invention is set forth and illustrates, but is not limited to disclosed any concrete form, and it is possible carrying out many modifications and variations.
Claims (10)
1. video on-demand system that is used in the local area network (LAN) is characterized in that: include the storage multimedia document central server, link to each other with server data management end that data in server is managed operation and the video request program end that is connected with central server by local area network (LAN) with central server.
2. the video on-demand system that is used in the local area network (LAN) as claimed in claim 1, it is characterized in that: described video request program end is the VOD all-in-one, this VOD all-in-one is distributed in each zone, embedded special embedded type CPU, carry embedded Linux system, be connected with central server by local area network (LAN) through customization.
3. the video on-demand system that is used in the local area network (LAN) as claimed in claim 2, it is characterized in that: described VOD all-in-one includes with the TV signal processing chip and is integrated in an audio frequency and video process chip on the mainboard.
4. the video on-demand system that is used in the local area network (LAN) as claimed in claim 2, it is characterized in that: described VOD all-in-one also is provided with network egress, makes the VOD all-in-one to be connected to the Internet by this network egress.
5. the implementation method of a video on-demand system is characterized in that, comprises the steps:
The central server stores multimedia document uses database that this multimedia document is managed;
The data management end manages operation to data in server;
The video request program end is connected with central server by local area network (LAN), central server is monitored each program request terminal by oracle listener, when the program request terminal has order request, the server oracle listener will respond it, obtain the IP address information of this program request terminal, send the multi-medium data of institute's program request then to it, and this time program request relevant information is carried out record.
6. the implementation method of video on-demand system as claimed in claim 5, it is characterized in that: described video request program end is the VOD all-in-one, operation video request program program on this VOD all-in-one, to send the order request of audio-visual information to central server, after the central server response, the VOD all-in-one obtains video-audio data from server, to play.
7. the implementation method of video on-demand system as claimed in claim 6, it is characterized in that: central server is equipped with (SuSE) Linux OS, and the embedded special embedded type CPU of VOD all-in-one carries the embedded Linux system through customization.
8. the implementation method of video on-demand system as claimed in claim 7, it is characterized in that: the server data management end adopts the web form web page to manage, use the PHP language to develop, server data is managed by the Web website realization of special exploitation is long-range.
9. the implementation method of video on-demand system as claimed in claim 8, it is characterized in that: the VOD all-in-one includes with the TV signal processing chip and is integrated in an audio frequency and video process chip on the mainboard, constitutes the VOD all-in-one that not only can watch ordinary tv programme but also can carry out video request program.
10. the implementation method of video on-demand system as claimed in claim 9 is characterized in that: the VOD all-in-one sends order request information by socket communication to server, and server sends the multimedia messages of big data quantity by the http agreement.
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| CNA2008102168302A CN101404752A (en) | 2008-10-13 | 2008-10-13 | Video-on-demand system used for local area network |
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| CNA2008102168302A CN101404752A (en) | 2008-10-13 | 2008-10-13 | Video-on-demand system used for local area network |
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| CN101404752A true CN101404752A (en) | 2009-04-08 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102065089A (en) * | 2010-12-30 | 2011-05-18 | 广州市聚晖电子科技有限公司 | System for realizing digital family audio on demand |
| CN102118548A (en) * | 2011-04-02 | 2011-07-06 | 天脉聚源(北京)传媒科技有限公司 | Broadcasting control system for studio |
| CN102547381A (en) * | 2010-12-14 | 2012-07-04 | 深圳长城开发科技股份有限公司 | LAN (Local Area Network) based video-on-demand method and system |
| WO2014029076A1 (en) * | 2012-08-21 | 2014-02-27 | Intel Corporation | Widi cloud mode |
| CN104093035A (en) * | 2014-07-18 | 2014-10-08 | 合肥海晨网络科技有限公司 | Movie and television program on-demand service system of various terminals in service finite region |
| CN104580357A (en) * | 2014-11-25 | 2015-04-29 | 南京奥拓电子科技有限公司 | Extendable comprehensive information distribution system |
| CN104978161A (en) * | 2015-07-30 | 2015-10-14 | 张阳 | Mv full screen display method and system |
| US9424660B2 (en) | 2012-08-07 | 2016-08-23 | Intel Corporation | Media encoding using changed regions |
| CN106131180A (en) * | 2016-07-08 | 2016-11-16 | 深圳市沃特沃德股份有限公司 | The processing method of the many concurrent requests of intelligent terminal, Apparatus and system |
| CN109933713A (en) * | 2019-03-08 | 2019-06-25 | 北京汉域华科科技有限公司 | A kind of Intelligent Information Inquiring System and its application method |
-
2008
- 2008-10-13 CN CNA2008102168302A patent/CN101404752A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102547381A (en) * | 2010-12-14 | 2012-07-04 | 深圳长城开发科技股份有限公司 | LAN (Local Area Network) based video-on-demand method and system |
| CN102065089A (en) * | 2010-12-30 | 2011-05-18 | 广州市聚晖电子科技有限公司 | System for realizing digital family audio on demand |
| CN102118548A (en) * | 2011-04-02 | 2011-07-06 | 天脉聚源(北京)传媒科技有限公司 | Broadcasting control system for studio |
| CN102118548B (en) * | 2011-04-02 | 2013-03-13 | 天脉聚源(北京)传媒科技有限公司 | Broadcasting control system for studio |
| US9424660B2 (en) | 2012-08-07 | 2016-08-23 | Intel Corporation | Media encoding using changed regions |
| US10257510B2 (en) | 2012-08-07 | 2019-04-09 | Intel Corporation | Media encoding using changed regions |
| WO2014029076A1 (en) * | 2012-08-21 | 2014-02-27 | Intel Corporation | Widi cloud mode |
| CN104093035A (en) * | 2014-07-18 | 2014-10-08 | 合肥海晨网络科技有限公司 | Movie and television program on-demand service system of various terminals in service finite region |
| CN104580357A (en) * | 2014-11-25 | 2015-04-29 | 南京奥拓电子科技有限公司 | Extendable comprehensive information distribution system |
| CN104580357B (en) * | 2014-11-25 | 2018-06-05 | 南京奥拓电子科技有限公司 | A kind of expansible announce system of integrated information |
| CN104978161A (en) * | 2015-07-30 | 2015-10-14 | 张阳 | Mv full screen display method and system |
| CN106131180A (en) * | 2016-07-08 | 2016-11-16 | 深圳市沃特沃德股份有限公司 | The processing method of the many concurrent requests of intelligent terminal, Apparatus and system |
| CN109933713A (en) * | 2019-03-08 | 2019-06-25 | 北京汉域华科科技有限公司 | A kind of Intelligent Information Inquiring System and its application method |
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