CN110062178A - One kind is based on government affairs wireless private network and the double net video transmission methods of wireless public network - Google Patents
One kind is based on government affairs wireless private network and the double net video transmission methods of wireless public network Download PDFInfo
- Publication number
- CN110062178A CN110062178A CN201810216285.0A CN201810216285A CN110062178A CN 110062178 A CN110062178 A CN 110062178A CN 201810216285 A CN201810216285 A CN 201810216285A CN 110062178 A CN110062178 A CN 110062178A
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- Prior art keywords
- video
- private network
- network
- wireless
- public network
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- Pending
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000011159 matrix material Substances 0.000 claims abstract description 27
- 238000004891 communication Methods 0.000 claims abstract description 26
- 238000012544 monitoring process Methods 0.000 claims description 5
- 230000008054 signal transmission Effects 0.000 claims description 4
- 239000013589 supplement Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/21—Server components or server architectures
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234336—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by media transcoding, e.g. video is transformed into a slideshow of still pictures or audio is converted into text
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4367—Establishing a secure communication between the client and a peripheral device or smart card
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
- Closed-Circuit Television Systems (AREA)
Abstract
Present invention relates particularly to one kind based on government affairs wireless private network and the double net video transmission methods of wireless public network, and equipment end includes the wireless private network communication module and wireless public network communication module connecting respectively with equipment end coding/decoding module；System platform private network and public network respectively have a set of video server and Video Codec, and the vision signal of Video Codec is connected on video matrix, need image to be shown by video matrix switching.The corresponding video encoder network connection of public network video server, video encoder export vision signal to video matrix, and video matrix is shown by display device and exported；Private network video server and public network video server issue control signal to video matrix.For this method in the case where guaranteeing private network data safety, the seamless wireless network for using public network enables the video traffic based on government affairs wireless private network to be more widely used as the supplement of government affairs wireless private network.
Description
Technical field
The present invention relates to video transmission methods, and in particular to one kind is based on government affairs wireless private network and the double net videos of wireless public network
Transmission method.
Background technique
Currently, various video monitorings, video conferencing system are widely used to all trades and professions, respective government agencies also make extensively
With various video monitorings and video conferencing system for enforcing the law, each field such as security protection；The construction of government affairs wireless private network also obtains at present
Develop on a large scale very much, a variety of different business include that video traffic must obtain very big application on private network.
Then, the construction of government affairs wireless private network is also the process gradually developed, this leads to a period of time in phase customs director,
Signal covering in some areas is difficult to cover, this will limit the development of some video traffics.And wireless public network is quickly grown, signal covers
Lid is better than private network very much, but based on the considerations of safety, both networks are difficult to direct intercommunication and use.
Therefore, a kind of video transmission method of offer is provided herein, it can be while solving safety issue using existing
Some government affairs wireless networks and wireless public network transmit video, make up signal when transmitting video traffic using government affairs wireless private network and cover
Insufficient problem.
Summary of the invention
1, technical problem to be solved:
Invention proposes a kind of video transmission method herein regarding to the issue above, can be while solving safety issue using existing
Some government affairs wireless networks and wireless public network transmit video, make up signal when transmitting video traffic using government affairs wireless private network and cover
Insufficient problem.
2, technical solution:
One kind being used for government affairs wireless private network and wireless public network based on government affairs wireless private network and the double net video transmission methods of wireless public network
The Transmission system of double net videos, the Transmission system are divided into equipment end and system platform；The equipment end and system platform network
Connection；The equipment end includes equipment end coding/decoding module, wireless private network communication module and wireless public network communication module；The nothing
Line private network communication module is connected with government affairs wireless private network；Wireless public network communication module is connected with wireless private network；The wireless private network
Communication module is connected with coding/decoding module respectively with wireless public network communication module；The system platform includes private network video server
With public network video server；The private network video server and government affairs wireless private network carry out the transmission of signal；The public network video
Server and wireless public network carry out the transmission of signal；The corresponding video encoder network of the private network video server connects
It connects, the video encoder exports vision signal to video matrix, and video matrix is shown by display device and exported；The public network
The corresponding video encoder network connection of video server, the video encoder output vision signal to video matrix,
Video matrix is shown by display device and is exported；The private network video server and public network video server issue control signal extremely
Video matrix.
Further, the invention also includes the network signals of the equipment end real-time monitoring private network and public network；Default private network
Signal threshold value disconnects private network, activates the connection of public network, equipment is connected to public network server when the signal of private network is lower than threshold value
Transmitting video data；When the network signal of private network is not less than the threshold value, equipment reactivates private network connection, is connected to private network
Server transport data.
Further, the equipment end is also connected with video camera.
This method is completed together by equipment end and system platform two parts.This programme is according to government affairs wireless private network and wirelessly
Public network data isolation guarantees that the data safety of private network is designed for principle, avoids the intercommunication in network data of public network and private network,
It prevents the internal data of private network from entering public network, while the priority that planned network uses, cut user can freely as needed
Switching network.The technical solution has used existing some technologies to be extended, and has good versatility and scalability.
3, the utility model has the advantages that
This method transmits video by wireless public network under the premise of guaranteeing private network data safety and makes up covering for government affairs wireless private network
Lid problem.
Detailed description of the invention
Fig. 1 is the frame principle of equipment end in the present invention；
Fig. 2 is the software workflow figure of equipment end in the present invention；
Fig. 3 is the network topology structure of system platform in the present invention；
Fig. 4 is the software workflow figure of system platform server in the present invention.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
It realizes and invents described government affairs wireless private network and the double net video transmission methods of wireless public network, including by Transmission system
It is divided into equipment end and system platform；The equipment end and system platform are connected to the network；The equipment end includes equipment end encoding and decoding
Module, wireless private network communication module and wireless public network communication module；The wireless private network communication module and government affairs wireless private network phase
Even；Wireless public network communication module is connected with wireless private network；The wireless private network communication module and wireless public network communication module are distinguished
It is connected with coding/decoding module；The system platform includes private network video server and public network video server；The private network video
Server and government affairs wireless private network carry out the transmission of signal；The public network video server and wireless public network carry out the biography of signal
It is defeated；The corresponding video encoder network connection of the private network video server, the video encoder export vision signal
To video matrix, video matrix is shown by display device and is exported；The corresponding Video coding of the public network video server
Device network connection, the video encoder export vision signal to video matrix, and video matrix is shown by display device and exported；
The private network video server and public network video server issue control signal to video matrix.
Such as the frame principle that attached drawing 1 is equipment end.The equipment end is generally also terminal, can be movable type,
It can be fixed equipment.Coding/decoding module inside device end is connected to private network communication module and public network communication module,
Camera apparatus and display screen outside terminal access, vision signal pass through communication module by the coding/decoding module coding of terminal
It is sent to server.Display screen is display device, and video camera is acquisition terminal video information device.Device end is wireless when communicating
The selection process of network refers to attached drawing 2: the network signal of real time monitoring private network and public network, when the network signal for detecting private network is low
After preset threshold values, the connection of private network is disconnected, and activate public network to connect simultaneously, equipment is connected to public network server transmission video
Data；When the network signal of private network restores, equipment reactivates private network connection, is connected to the server transport data of private network.
Such as the network topology structure that Fig. 3 is system platform；Corresponding private network and public network are distinguished when system platform is with network connection
One video server: private network video server and public network video server is set.The corresponding video of every video server
Encoding and decoding server.The vision signal of Video Codec is connected on video matrix, needs to show by video matrix switching
Image.Process when system platform communicates is as shown in Fig. 3: when terminal accesses private network server software, server software
Video matrix will be controlled, the video transmitted in private network will be launched to display；When terminal accesses public network, server regards control
Frequency matrix launches the video of public network transmission to display.
It is further described below by way of a specific embodiment:
One, hardware includes:
(this example uses a ARM chip HI3521 to one piece of embedded board, and chip has H264 coding/decoding capability, chip tool
Have USB-Host interface, then two wireless communication modules connected by USB-HUB chip), server two, Video Codec
Two, video matrix one, display one, one, video camera, cable is several.
Two, detailed process
Cross compile is installed successfully on embedded device, device power-up, and equipment connects camera apparatus and is used for video acquisition.
System platform connects each server, Video Codec and video matrix equipment, video server according to attached drawing 3
Upper installation server software described in the invention, and be respectively connected in government private network and public network network.
Three, specific operation process:
1. starting embedded board, the private network server address for needing to connect well and public network server address are configured.
The private network success 2. the plate that awaits development dials, equipment default will be connected to private network server.Match on video server
It sets and wants decoded equipment, video code flow is pushed to Video Codec, control video matrix shows decoded image.If
Each link is normal, at this point, can see taking the photograph for the terminal by the transmission of government affairs wireless private network on the display of system platform
Camera image.
3. to one, without the weaker place of private network wireless signal or private network signal, (public network signal needs just mobile terminal
Often), make private network communication can not normal transmission, at this point it is possible to see that video is put by the subsequent continued broadcasting of of short duration switching, video will at this time
Continue to transmit by public network.
4. it is normally local that terminal is brought back to wireless private network signal again, its wireless private network is made to restore normal communication, this
When, it is seen that the of short duration subsequent continued broadcasting of switching of video is put, and transmission of video has been restored to private network transmission at this time.
Although the present invention has been described by way of example and in terms of the preferred embodiments, they be not it is for the purpose of limiting the invention, it is any ripe
This those skilled in the art is practised, without departing from the spirit and scope of the invention, can make various changes or retouch from working as, therefore guarantor of the invention
Shield range should be subject to what claims hereof protection scope was defined.
Claims (3)
1. one kind is based on government affairs wireless private network and the double net video transmission methods of wireless public network, for government affairs wireless private network and wireless public affairs
The Transmission system of double net videos is netted, the Transmission system is divided into equipment end and system platform；The equipment end and system platform net
Network connection；It is characterized by:
The equipment end includes equipment end coding/decoding module, wireless private network communication module and wireless public network communication module；The nothing
Line private network communication module is connected with government affairs wireless private network；Wireless public network communication module is connected with wireless private network；The wireless private network
Communication module is connected with coding/decoding module respectively with wireless public network communication module；
The system platform includes private network video server and public network video server；The private network video server and government affairs without
The transmission of line private network progress signal；The public network video server and wireless public network carry out the transmission of signal；The private network video
The corresponding video encoder network connection of server, the video encoder export vision signal to video matrix, video
Matrix is shown by display device and is exported；The corresponding video encoder network connection of the public network video server, it is described
Video encoder exports vision signal to video matrix, and video matrix is shown by display device and exported；The private network video clothes
Business device and public network video server issue control signal to video matrix.
2. it is according to claim 1 a kind of based on government affairs wireless private network and the double net video transmission methods of wireless public network, it is special
Sign is: further include: the network signal of the equipment end real-time monitoring private network and public network；Default private network signal threshold value, works as private network
Signal be lower than threshold value when, disconnect private network, activate the connection of public network, equipment is connected to public network server transmitting video data；When
When the network signal of private network is not less than the threshold value, equipment reactivates private network connection, is connected to the server transport number of private network
According to.
3. it is according to claim 1 a kind of based on government affairs wireless private network and the double net video transmission methods of wireless public network, it is special
Sign is: the equipment end is also connected with video camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810216285.0A CN110062178A (en) | 2018-03-16 | 2018-03-16 | One kind is based on government affairs wireless private network and the double net video transmission methods of wireless public network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810216285.0A CN110062178A (en) | 2018-03-16 | 2018-03-16 | One kind is based on government affairs wireless private network and the double net video transmission methods of wireless public network |
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| Publication Number | Publication Date |
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| CN110062178A true CN110062178A (en) | 2019-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810216285.0A Pending CN110062178A (en) | 2018-03-16 | 2018-03-16 | One kind is based on government affairs wireless private network and the double net video transmission methods of wireless public network |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111586192A (en) * | 2020-05-26 | 2020-08-25 | 福建超智集团有限公司 | Information synchronization method for double networks and double servers |
| CN112887762A (en) * | 2021-01-26 | 2021-06-01 | 广州欢网科技有限责任公司 | Method and system for delivering IPTV (Internet protocol television) advertisement resources according to crowd labels |
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Application publication date: 20190726 |