A kind of method and system of Video-on-demand
Technical field
The present invention relates to the digital television techniques field, relate in particular to a kind of method and system of Video-on-demand.
Background technology
When radio, TV and film industries are widelyd popularize digital television bidirectional business, the process that prefectures and cities all transform to the bilateral network translation in orderly planning unilateral network.So not only can One-to-All Broadcast TV service originally be provided for the user; Can also on the basis that bilateral network supports, realize interactive network services such as interactive TV, Web bank, make the user can utilize TV to obtain the service in more and more internet arenas.
Video request program (Video On Demand; VOD) business is a service form the most basic in the digital television bidirectional business; Also be the base form that each producer all can realize, the VOD business of all manufacturers all is the basis with pure bilateral network, and the main flow process of video request program is following:
1, the user gets into VOD service column through gate system;
2, select through video name, get into next step video details page;
3, after the user finishes watching the detailed introduction with written form, whether determine this video of program request;
4, after the user determined program request, flow process such as began to pay, watch.
Though the VOD service procedure can satisfy user's demand fully at present, does not utilize the advantage under the unilateral network, make the VOD service receive the restriction of STB and bilateral network, can not offer the abundant more VOD service pattern of user, problem comprises:
1, just with the mode display video title and the details confession user selection of literal, makes column represent form and become single;
2, owing to receive the restriction of set top box decodes device; Once can only lock a video playback; So the mode of link can only be provided, let STB can only play a video preview at one time, also just can not provide a video preview original list to play a plurality of video preview film clips simultaneously;
3, do not utilize the various systems in the uni-direction environment to integrate video resource, the more abundant form and the business form of representing can not be provided.
Summary of the invention
The objective of the invention is to propose a kind of method and system of Video-on-demand, can watch a plurality of video frequency program film clips simultaneously, and made full use of the system resource of unilateral network.
For reaching this purpose, the present invention adopts following technical scheme:
A kind of method of Video-on-demand may further comprise the steps:
A, according to video request program documenting video segment file, the video segment file shuffling that will be no less than 1 becomes a mosaic video file;
B, the wheel that said mosaic video file is exported in the one-way digital television system are broadcast application server; Wheel is broadcast application server said mosaic video file is compiled list; Generate data configuration file, and data configuration file is sent to the video-on-demand applications server;
C, wheel are broadcast application server said mosaic video file are sent to the subscriber computer top box;
D, video-on-demand applications server generate the hyaline layer page according to data configuration file, be used for corresponding said mosaic video file, and the said hyaline layer page is sent to STB, and STB is in playing video file, and the hyaline layer page is showed in stack;
E, subscriber computer top box are presented to the user simultaneously with the said mosaic video file and the said hyaline layer page, and the user selects the grid on the said hyaline layer page through watching mosaic video, and sends to the video-on-demand applications server;
F, video-on-demand applications server are according to the grid on the said hyaline layer page of user's selection; Obtain the video request program reference number of a document that the user selects through data configuration file; The video-on-demand applications server is mutual according to said video request program reference number of a document and video request program file server, accomplishes Video-on-demand.
In the steps A, the video segment file shuffling that adopts nonlinear editing system will be no less than 1 becomes a mosaic video file.
In the steps A, 4 or 9 video segment file shufflings are become a mosaic video file, among the step D, 4 or 9 mosaic video that the corresponding mosaic video file of grid forms are arranged in the hyaline layer page that the video-on-demand applications server generates.
Generation is no less than 1 mosaic video file, and wheel is broadcast application server controls and play the mosaic video file at times at same channel.
Generation is no less than 1 mosaic video file, and wheel is broadcast application server controls and is being no less than 1 the same time broadcast of page mosaic video file.
A kind of system of Video-on-demand comprises that video request program file server, nonlinear editing system, wheel broadcast application server, video-on-demand applications server and STB, wherein,
The video request program file server is connected with nonlinear editing system, and being used for the video request program file server provides the video request program file to nonlinear editing system;
Nonlinear editing system is broadcast application server with wheel and is connected, and is used for the video segment file shuffling that nonlinear editing system will be no less than 1 and becomes a mosaic video file, sends to wheel and broadcasts application server;
Wheel is broadcast application server and is connected with the video-on-demand applications server, is used for taking turns broadcasting application server the mosaic video file being compiled list, and the generation data configuration file, and data configuration file sent to the video-on-demand applications server;
Wheel is broadcast application server and is connected with STB, and be used for wheel and broadcast application server to STB transmission mosaic video file, and the demonstration of controller top box;
The video-on-demand applications server is connected with STB; Be used for the video-on-demand applications server and generate the hyaline layer page according to data configuration file; Be embedded into the mosaic video file; And, obtain the video request program reference number of a document that the user selects according to data configuration file through the user that sends from STB selection to grid on the hyaline layer page;
The video-on-demand applications server is connected with the video request program file server, and it is interactive according to video request program reference number of a document and video request program file server to be used for the video-on-demand applications server, accomplishes Video-on-demand.
Also comprise remote controller, be used for the user through the grid on the hyaline layer page of remote controller selector top box demonstration.
Adopt technical scheme of the present invention, can produce following technique effect:
1, through the nonlinear editing system in the unilateral network; Can become a video file to a plurality of video segment shufflings; STB can be watched a plurality of video frequency program film clips simultaneously like this; Broken through the restriction that the same time of STB can only lock a video flowing, for new road has been opened up in the use of STB;
2, through this kind mode, become video film clips form to original video program information with the pure words presented, make the user can experience more colourful content;
3, make full use of the system that unilateral network is left over, increased the utilance of system, reduced the cost of operator, improved the rate of return on investment of operator.
Description of drawings
Fig. 1 is the structural representation of Video-on-demand system in the specific embodiment of the invention.
Fig. 2 is the flow chart of Video-on-demand in the specific embodiment of the invention.
Embodiment
Further specify technical scheme of the present invention below in conjunction with accompanying drawing and through embodiment.
Fig. 1 is the structural representation of Video-on-demand system in the specific embodiment of the invention.As shown in Figure 1, this Video-on-demand system comprises video request program file server 101, nonlinear editing system 102, takes turns and broadcast application server 103, video-on-demand applications server 104, STB 105 and remote controller 106.
The video request program file server is connected with nonlinear editing system, and the video request program file server provides the video request program file to nonlinear editing system.
Nonlinear editing system is broadcast application server with wheel and is connected, and nonlinear editing system will be no less than 1 video segment file shuffling and become a mosaic video file, sends to wheel and broadcasts application server.
Wheel is broadcast application server and is connected with the video-on-demand applications server, and wheel is broadcast application server the mosaic video file is compiled list, generates data configuration file, and data configuration file is sent to the video-on-demand applications server.
Wheel is broadcast application server and is connected with STB, and wheel is broadcast application server and sent the mosaic video file to STB, and the demonstration of controller top box.
The video-on-demand applications server is connected with STB; The video-on-demand applications server generates the hyaline layer page according to data configuration file; Be embedded into the mosaic video file; And, obtain the video request program reference number of a document that the user selects according to data configuration file through the user that sends from STB selection to grid on the hyaline layer page.
The video-on-demand applications server is connected with the video request program file server, and the video-on-demand applications server is interactive according to video request program reference number of a document and video request program file server, accomplishes Video-on-demand.
The user is through the grid on the hyaline layer page of remote controller selector top box demonstration.
Fig. 2 is the flow chart of Video-on-demand in the specific embodiment of the invention.As shown in Figure 2, the Video-on-demand flow process may further comprise the steps:
Step 201, the video request program documenting in the video request program file server is become the video segment file; Also be film clips; Import the nonlinear editing system shuffling to a plurality of (such as 4 or 9) video segment file again and become a mosaic video file, when showing, can in same picture, see a plurality of videos like this.
Step 202, the wheel that this mosaic video file (not being real-time live TV stream) is exported to the one-way digital television system are broadcast application server.
Step 203, wheel are broadcast application server the mosaic video file are compiled list, generate data configuration file, and data configuration file is sent to the video-on-demand applications server.
Step 204, the wheel broadcast application server with the mosaic video file through multiplexing, the modulation after send to the subscriber computer top box.
Step 205, video-on-demand applications server are broadcast the data configuration file of the mosaic video file that application server sends according to wheel; Generate the hyaline layer page; This hyaline layer page is corresponding with the mosaic video file; Comprise 4 or 9 videos such as the mosaic video file, perhaps 9 grid are corresponding with it just to have 4 so on the hyaline layer page.The hyaline layer page will send to the subscriber computer top box after generating, and STB is in playing video file, and the hyaline layer page is showed in stack.
The concrete realization is the page at this html form, does one 4 the perhaps hyaline layers of 9 grid, and < av>label (interface that STB exposes) is arranged then, and < av>label is the playing video file content, and the hyaline layer page is on the av label.
Step 206, user get into the page that the video-on-demand applications server provides; The subscriber computer top box is presented to the user simultaneously with the mosaic video file and the hyaline layer page; The user watches mosaic video, also is film clips, utilizes the remote controller moving focal point; Select oneself to want the grid on the corresponding hyaline layer page of the film clips seen, and send to the video-on-demand applications server.
Step 207, video-on-demand applications server are according to the grid on the hyaline layer page of user's selection; Obtain the video request program reference number of a document that the user selects through data configuration file; The video-on-demand applications server goes with the video request program file server mutual again according to the video request program reference number of a document, accomplish Video-on-demand.
In concrete playing process, can adopt dual mode:
The one, generation is no less than 1 mosaic video file; Wheel is broadcast application server controls and is play the mosaic video file at times at same channel; Need in data configuration file, provide details simultaneously; Supply the video-on-demand applications server parses, what the user watched in the different periods of same channel is different mosaic video.The benefit of doing like this is that this kind trafficwise only takies a program number under the situation of frequency resource anxiety.
The 2nd, generation is no less than 1 mosaic video file; Wheel is broadcast application server controls and is being no less than 1 the same time broadcast of page mosaic video file; Need in data configuration file, provide details simultaneously; Supply the video-on-demand applications server parses, what the user at one time, the different pages watches is different mosaic video.The benefit of doing like this is that the user can carry out the selection of a plurality of videos simultaneously under the sufficient situation of frequency resource, and such as for nine palace lattice videos, selective video number is the product of program number number and 9.
The above; Be merely the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with this technological people in the technical scope that the present invention disclosed; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.