CN104010137A - Method and device for splicing high-definition network videos and displaying high-definition network videos on wall - Google Patents
Method and device for splicing high-definition network videos and displaying high-definition network videos on wall Download PDFInfo
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Abstract
The invention is suitable for the field of video display, and provides a method and device for splicing high-definition network videos and displaying the high-definition network videos on a wall. The device comprises at least one main decoding unit, a plurality of auxiliary decoding units and a back plate, wherein the back plate contains a video distribution module, and the main decoding unit and the auxiliary decoding units respectively comprise an internet access, a video port, an output port and an input port. The video distribution module comprises at least one video input port and a plurality of video output ports. The output port of the main decoding unit is connected with the video input port of the video distribution module. The multiple output ports of the video distribution module are connected with the input ports of the multiple auxiliary decoding units and the input port of the main decoding unit respectively. According to the technical scheme, the method and device have the advantages of being low in cost, easy to expand and high in decoding capacity.
Description
Technical field
The invention belongs to field of video displaying, relate in particular to the method and apparatus of the upper wall of a kind of network HD video splicing.
Background technology
Supervisory control system is made up of shooting, transmission, control, demonstration, record registration 5 major parts.Video camera arrives main control system by coaxial video cable or netting twine by transmission of video images, and main control system is assigned to vision signal each monitor and video recording equipment again, the voice signal of needs transmission synchronously can be entered in video tape recorder simultaneously.By main control system, operating personnel can send instruction, and the operation of focusing and zooming is controlled and camera lens is carried out in the action of the upper and lower, left and right to The Cloud Terrace, and can realize the switching between multichannel video camera and The Cloud Terrace by main control system.Utilize special video record processing pattern, can carry out to image the operations such as typing, playback, processing, it is best that the effect that makes to record a video reaches.
Along with video monitoring system is from the digital supervision epoch to IP intelligent monitoring epoch transition, people increase for the demand of video monitoring, and also improving constantly for the quality requirement of video monitoring, along with the raising of these demands, video camera also upgrades to network high-definition camera from simulation SD video camera, be accompanied by the universal of network high-definition camera, also just increase for the demand of the Internet video decoding on-wall equipment of rear end Control Room thereupon.
Most of scheme and the high definition video decoding scheme that adopts PC formula decoding matrix+VGA/HDMI matrix of wall solution on network high definition video decoding in the market.The problem of the multi-display that this scheme solves.
In the scheme that realizes prior art, find that prior art exists following technical problem:
The scheme of HD video decoder provides 9 screen splicings now, the connection scheme of 16 screens, but its decoding capability is limited, and the quantity of the web camera of the demonstration of simultaneously decoding under not splicing state is fewer, and in practical application, the demonstration cost of single camera is very high.
Decoding adopts the mode of soft solution, and the performance of its decoding is limited, the video counts more than of calling in, and there is the phenomenon that card pauses in video council.Expensive, PC formula decoding matrix manufacturer is software vendor, and its hardware is all purchased from third party, and impossible oneself production.VGA/HDMI video matrix apparatus expensive, cost is high, and existing hardware configuration is fixing after dispatching from the factory, and user cannot expand voluntarily.
Summary of the invention
The object of the embodiment of the present invention is to provide the method for the upper wall of a kind of network HD video splicing, is intended to solve existing technical scheme high cost, is difficult for the problem of expansion.
The upper wall device of a kind of network HD video splicing, described device comprises: at least one main decoder unit, multiple secondary decoding unit and backboard; In its dorsulum, comprise at least one video distribution module; Wherein,
Described main decoder unit and described secondary decoding unit include: network interface, video port, delivery outlet and input port, and described video distribution module comprises: at least one video input mouth and multiple video output; Wherein, the delivery outlet of described at least one main decoder unit is connected with the video input mouth of described video distribution module, and multiple delivery outlets of described video distribution module are connected with the input port of described multiple secondary decoding units and the input port of described at least zero main decoder unit respectively.
Optionally, the video port of described main decoder unit connects the display unit that is positioned at center in multiple upper wall display unit.
The specific embodiment of the invention also provides a kind of said apparatus that uses to carry out the upper wall method of network HD video splicing, and described method comprises:
At least one main decoder module and multiple secondary decoder module obtain respectively the video information of its corresponding video flowing by network interface;
At least one main decoder module receives after splicing order, needs the vision signal of splicing and splicing order send to the video distribution module of backboard and need the secondary decoding unit splicing;
Video distribution module is distributed into the described video information that need to splice multiple, and obtains the decoder module that needs transmission according to described splicing order, then described multiple video informations of splicing that need is sent to the described decoder module that need to send;
Described corresponding main decoder module and the described decoder module sending that needs of video information that needs splicing exported described video signal.
Optionally, described splicing order also comprises: the mark of the decoder module of splicing; Described method is after receiving splicing order, before the video information of needs splicing and splicing order are sent to the video distribution module of backboard, also comprise: judge whether it is the mark of main decoder module according to described mark, if not being main decoder module id, main decoder module is obtained the video information of decoder module corresponding to described mark, and replaces the video information of main decoder module by this video information of obtaining.
Optionally, the described video information of obtaining decoder module corresponding to described mark comprises: main decoder module is inquired about secondary decoder module corresponding to described mark and obtained the video flowing address that secondary decoder module is corresponding, and main decoder module is transferred video information corresponding to this video flowing address.
Optionally, described video flowing address is specially: network video stream address.
Optionally, described according to described splicing order obtain need send decoder module comprise:
As described in splicing order do not comprise the mark of decoder module that needs send, definite described decoder module that need to send is residue decoder module, and described residue decoder module is: all decoder modules except main decoder unit corresponding to the described video information that need to splice;
As described in splicing order comprise the mark of decoder module that needs send, confirm that described to need the decoder module sending be decoder module corresponding to described mark.
In embodiments of the present invention, it is low that technical scheme provided by the invention provides technical scheme to have cost to video flowing address, video flowing address, video flowing address, easily the advantage of expansion.
Brief description of the drawings
Fig. 1 is the structure chart of the upper wall device of a kind of network HD video splicing provided by the invention;
Fig. 2 is that 9 display unit provided by the invention are arranged schematic diagram;
Fig. 3 is the flow chart of the upper wall method of a kind of network HD video splicing provided by the invention;
Fig. 4 is that 16 display unit provided by the invention are arranged schematic diagram.
Embodiment
In order to make object 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.
The specific embodiment of the invention provides a kind of network HD video splicing upper wall device, and this device, as shown in Fig. 1 (Fig. 1 is taking 9 screens as example), comprising: at least one main decoder unit 101, multiple secondary decoding unit 102 and backboard 103; In its dorsulum 103, comprise video distribution module; Wherein,
Main decoder unit 101 and secondary decoding unit 102 include network interface 1011, video port 1012, delivery outlet and input port, and video distribution module comprises: at least one video input mouth and multiple video output; Wherein, the delivery outlet of at least one main decoder unit 101 is connected with at least one video input mouth of video distribution module, multiple delivery outlets of video distribution module respectively with multiple secondary decoding units and at least the input port of zero main decoder unit be connected.
It should be noted that, multiple delivery outlets of above-mentioned video distribution module are connected and are specifically as follows with the input port of an at least another main decoder unit, in the time that the quantity of main decoder unit is 1, the delivery outlet of video distribution module is not connected with the input port of main decoder unit, when the quantity of main decoder unit is while being multiple, the delivery outlet of video distribution module is connected with the input port of main decoder unit.
The implementation method of device provided by the invention is as follows, decoding unit (major and minor) is by network interface receiver, video file, then video file is outputed in corresponding display device by video port, display device is play corresponding video file, in the time receiving the order of video-splicing, main decoder unit sends to video distribution module by its video file by delivery outlet, video distribution module is divided into multiple video files by video file and sends to respectively secondary decoding unit, and this video file is carried out tiled display by secondary decoding unit.Equipment provided by the invention has been integrated video decode and video-splicing equipment, and on-the-spot application is simpler.Realized video-splicing function with simpler method, cost is cheaper.Carry driver, splicing function need not external PC software control, operate simplyr, and response speed is faster, and user's experience is better.(increasing multiple notches at backboard can expand, and does not affect the work of other decoding unit, can expand to the jointed television wall application of arbitrary form in easily expansion.
Optionally, the video port of above-mentioned main decoder unit connects the display unit that is positioned at center in multiple upper wall display unit.
Optionally, above-mentioned video port can be the general interface such as VGA, HDMI, DVI, and above-mentioned input port and input port adopt general bus interface, as PCIE interface.
Optionally, the quantity of above-mentioned multiple video outputs is more than the quantity of described decoding unit.Can expand very easily like this other decoder module.
The display screen that only connects center at the video port of main decoder unit, can complete all connecting methods, and taking 9 display screens as example, as 9 display unit tabular as shown in Figure 2, the video port of main decoder unit need connect display unit No. 5.If connect No. 5 display unit, the connecting method that can adopt so has: 1,2,4,5; 2,3,5,6; 4,5,7,8; 5,6,8,9 and 1,2,3,4,5,6,7,8,9.Above-mentioned numeral represents respectively the numbering of display unit; If connect other display unit, for example connect display unit No. 4, the mode of splicing only has: 1,2,4,5; 4,5,7,8 and 1,2,3,4,5,6,7,8,9.This kind relies on mode only to only have 3 kinds, and No. 5 display unit have 5 kinds of connecting methods.
Be illustrated in figure 4 the connecting method of 16 screens, the main screen of this kind of connecting method, for middle 4 screens are main screen, is because the mode of splicing can realize multiple in the middle of being arranged on.
The specific embodiment of the invention provides a kind of network HD video splicing upper wall method, and the method is completed by the upper wall device of above-mentioned network HD video splicing, as shown in Figure 3, comprising:
301, at least one main decoder module and multiple secondary decoder module obtain respectively the video information of its corresponding video flowing by network interface;
302, at least one main decoder module receives after splicing order, needs the vision signal of splicing and splicing order send to the video distribution module of backboard and need the secondary decoding unit splicing;
303, video distribution module by described need splicing video information be distributed into multiple, and according to described splicing order obtain need send decoder module, then by described multiple need splicing video informations send to described need send decoder module;
304, described corresponding main decoder module and the described decoder module sending that needs of video information that needs splicing exported described video signal.
The technical scheme that the specific embodiment of the invention provides has been integrated video decode and video-splicing equipment, and on-the-spot application is simpler.Realized video-splicing function with simpler method, cost is cheaper.Carry driver, splicing function need not external PC software control, operate simplyr, and response speed is faster, and user's experience is better.Easily expansion, can expand to the jointed television wall application of arbitrary form.
Optionally, above-mentioned splicing order can also comprise: the mark of the decoder module of splicing; Described method is after receiving splicing order, before the video information of needs splicing and splicing order are sent to the video distribution module of backboard, can also comprise: judge whether it is the mark of main decoder module according to described mark, if not being main decoder module id, main decoder module is obtained the video information of decoder module corresponding to described mark, and replaces the video information of main decoder module by this video information of obtaining.Can transfer arbitrarily video information corresponding to all secondary decoder modules by arranging of this kind of mode, because decoder module that can not be all is all linked into video distribution module, if configuration like this, cost can be very high, so only have the vision signal of main decoder module can be input to video distribution module, like this, if transfer the vision signal of other secondary decoder module, only obtain after the video flowing of corresponding secondary decoder module, replace the video flowing of original main decoder module with this video flowing, so just the vision signal of secondary decoder module can be spliced, and the embodiment of obtaining the video information of decoder module corresponding to described mark can be: main decoder module is inquired about secondary decoder module corresponding to described mark, main decoder module is inquired about video flowing address corresponding to secondary decoder module corresponding to described mark, main decoder module is transferred video flowing corresponding to this video flowing address.Here it should be noted that, the video flowing that obtains that camera due to all secondary decoder modules is all distributed by main decoder module, the video flowing address assignment of camera is given secondary decoder module by main decoder module, secondary decoder module just can be transferred video flowing corresponding to this address by network interface, so main decoder module can very easily be obtained the video flowing of the camera that any one secondary decoder module is corresponding.
Optionally, above-mentioned according to described splicing order obtain need send decoder module comprise:
As described in splicing order do not comprise the mark of decoder module that needs send, definite described decoder module that need to send is residue decoder module, and described residue decoder module is: all decoder modules except main decoder unit corresponding to the described video information that need to splice;
As described in splicing order comprise the mark of decoder module that needs send, confirm that described to need the decoder module sending be decoder module corresponding to described mark.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a method and apparatus for the upper wall of network HD video splicing, is characterized in that, described device comprises: at least one main decoder unit, multiple secondary decoding unit and backboard; In its dorsulum, comprise video distribution module; Wherein,
Described main decoder unit and described secondary decoding unit include: network interface, video port, delivery outlet and input port, and described video distribution module comprises: at least one video input mouth and multiple video output; Wherein, the delivery outlet of described at least one main decoder unit is connected with the video input mouth of described video distribution module, and multiple delivery outlets of described video distribution module are connected with the input port of described multiple secondary decoding units and the input port of described at least zero main decoder unit respectively.
2. device according to claim 1, is characterized in that, the video port of described main decoder unit connects the display unit that is positioned at center in multiple upper wall display unit.
3. device according to claim 1, is characterized in that, the quantity of described multiple video outputs is more than the quantity of described decoding unit.
4. the device of use as described in as arbitrary in claim 1-3 carries out the upper wall method of network HD video splicing, it is characterized in that, described method comprises:
At least one main decoder module and multiple secondary decoder module obtain respectively the video information of its corresponding video flowing by network interface;
At least one main decoder module receives after splicing order, and the vision signal of needs splicing and splicing order are sent to the video distribution module of backboard and need the secondary decoding unit splicing;
Video distribution module is distributed into the described video information that need to splice multiple, and obtains the decoder module that needs transmission according to described splicing order, then described multiple video informations of splicing that need is sent to the described decoder module that need to send;
Described corresponding main decoder module and the described decoder module sending that needs of video information that needs splicing exported described video signal.
5. method according to claim 4, is characterized in that, described splicing order also comprises: the mark of the decoder module of splicing; Described method is after receiving splicing order, before the video information of needs splicing and splicing order are sent to the video distribution module of backboard, also comprise: judge whether it is the mark of main decoder module according to described mark, if not being main decoder module id, main decoder module is obtained the video information of decoder module corresponding to described mark, and replaces the video information of main decoder module by this video information of obtaining.
6. method according to claim 5, it is characterized in that, the described video information of obtaining decoder module corresponding to described mark comprises: main decoder module is inquired about secondary decoder module corresponding to described mark and obtained the video flowing address that secondary decoder module is corresponding, and video flowing address main decoder module is transferred video information corresponding to this video flowing address, video flowing address.
7. method according to claim 6, is characterized in that, described video flowing address is specially: network video stream address.
8. method according to claim 4, is characterized in that, described according to described splicing order obtain need send decoder module comprise:
As described in splicing order do not comprise the mark of decoder module that needs send, definite described decoder module that need to send is residue decoder module, and described residue decoder module is: all decoder modules except main decoder unit corresponding to the described video information that need to splice;
As described in splicing order comprise the mark of decoder module that needs send, confirm that described to need the decoder module sending be decoder module corresponding to described mark.
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