CN110324526A - A kind of control method and device of remote camera - Google Patents
A kind of control method and device of remote camera Download PDFInfo
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- CN110324526A CN110324526A CN201810274317.2A CN201810274317A CN110324526A CN 110324526 A CN110324526 A CN 110324526A CN 201810274317 A CN201810274317 A CN 201810274317A CN 110324526 A CN110324526 A CN 110324526A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/565—Conversion or adaptation of application format or content
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
- H04N23/661—Transmitting camera control signals through networks, e.g. control via the Internet
Abstract
The embodiment of the invention provides a kind of control method of remote camera and devices, it networks applied to view, the described method includes: creation is located at the first virtual terminal in the view networking, and it is based on first virtual terminal, establishes the video communication between view networked terminals and internet terminal；When receiving the first director data packet that the view networked terminals are sent for first virtual terminal, the first instruction set that the first camera of the internet terminal connection can identify is determined；Using first instruction set, the first director data packet is converted, and the first director data packet after the conversion is sent to the internet terminal, to drive first camera to execute corresponding operation.Through the embodiment of the present invention, it realizes during video communication, the control depending on networked terminals to internet medium-long range camera, improves the compatibility of view networking.
Description
Technical field
The present invention relates to view networking arenas, more particularly to the control method and device of a kind of remote camera.
Background technique
With the development of science and technology, video communication is widely used, such as video conference, Video chat, to life
Living, work brings great convenience.
At the same time, the quality requirements such as fidelity, clarity when user is to video communication are also higher and higher, and regard networking
Technology can satisfy user demand just, and bringing high fidelity (Hi-Fi), height to user, clearly video communication is experienced, but using view connection
Network technology carries out video communication and is typically limited between view networked terminals, and is also difficult to depending on networked terminals to camera in internet
Etc. equipment controlled.
Summary of the invention
In view of the above problems, the embodiment of the present invention is proposed in order to provide overcoming the above problem or at least being partially solved
The control method and device of a kind of remote camera of the above problem.
To solve the above-mentioned problems, the embodiment of the invention discloses a kind of control methods of remote camera, are applied to view
Networking, comprising:
Creation is located at the first virtual terminal in the view networking, and is based on first virtual terminal, establishes view networking
Video communication between terminal and internet terminal；
When receiving the first director data packet that the view networked terminals are sent for first virtual terminal, determine
The first instruction set that first camera of the internet terminal connection can identify；
Using first instruction set, the first director data packet is converted, and by first after the conversion
Director data packet is sent to the internet terminal, to drive first camera to execute corresponding operation.
The embodiment of the invention also discloses a kind of control methods of remote camera, are applied to view networking, comprising:
Creation is located at the second virtual terminal in the internet, and is based on second virtual terminal, establishes view networking
Video communication between terminal and internet terminal；
When receiving the second director data packet that the internet terminal is sent for second virtual terminal, determine
The second instruction set that the second camera depending on networked terminals connection can identify；
Using second instruction set, the second director data packet is converted, and by second after the conversion
Director data packet is sent to the view networked terminals, to drive the second camera to execute corresponding operation.
The embodiment of the invention also discloses a kind of control devices of remote camera, are applied to view networking, comprising:
First communication building block, for creating the first virtual terminal being located in the view networking, and based on described the
One virtual terminal establishes the video communication between view networked terminals and internet terminal；
First instruction set determining module receives the view networked terminals for first virtual terminal transmission for working as
The first director data packet when, determine the first instruction set that the first camera of internet terminal connection can identify；
First director data packet sending module, for use first instruction set, to the first director data packet into
Row conversion, and the first director data packet after the conversion is sent to the internet terminal, to drive first camera shooting
Head executes corresponding operation.
The embodiment of the invention also discloses a kind of control devices of remote camera, are applied to view networking, comprising:
Second communication building block, for creating the second virtual terminal being located in the internet, and based on described the
Two virtual terminals establish the video communication between view networked terminals and internet terminal；
Second instruction set determining module receives the internet terminal for second virtual terminal transmission for working as
The second director data packet when, determine second instruction set that can identify of second camera depending on networked terminals connection；
Second director data packet sending module, for use second instruction set, to the second director data packet into
Row conversion, and the second director data packet after the conversion is sent to the view networked terminals, to drive second camera shooting
Head executes corresponding operation.
The embodiment of the invention also discloses a kind of electronic equipment, including processor, memory and it is stored in the memory
Computer program that is upper and can running on the processor, is realized as above when the computer program is executed by the processor
The step of the method.
The embodiment of the invention also discloses a kind of computer readable storage medium, deposited on the computer readable storage medium
The step of storage computer program, the computer program realizes method as described above when being executed by processor.
The embodiment of the present invention includes following advantages:
In embodiments of the present invention, by creating the first virtual terminal in view networking, and it is virtual whole based on first
End, the video communication between foundation view networked terminals and internet terminal are virtual whole for first when receiving view networked terminals
When holding the first director data packet sent, the first instruction set that the first camera of internet terminal connection can identify is determined,
Then the first instruction set is used, the first director data packet is converted, and the first director data packet after conversion is sent to
Internet terminal is realized during video communication with driving first camera to execute corresponding operation, depending on networking
Control of the terminal to internet medium-long range camera improves the compatibility of view networking.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by institute in the description to the embodiment of the present invention
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of networking schematic diagram of view networking of the invention；
Fig. 2 is a kind of hardware structural diagram of node server of the invention；
Fig. 3 is a kind of hardware structural diagram of access switch of the invention；
Fig. 4 is the hardware structural diagram that a kind of Ethernet association of the invention turns gateway；
Fig. 5 is a kind of step flow chart of the control method of remote camera of the embodiment of the present invention；
Fig. 6 is a kind of network topological diagram of the embodiment of the present invention；
Fig. 7 is the step flow chart of the control method of another remote camera of the embodiment of the present invention；
Fig. 8 is a kind of structural block diagram of the control device of remote camera of the embodiment of the present invention；
Fig. 9 is the structural block diagram of the control device of another remote camera of the embodiment of the present invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.Obviously, described embodiments are some of the embodiments of the present invention, without
It is whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Every other embodiment obtained is put, shall fall within the protection scope of the present invention.
It is the important milestone of network Development depending on networking, is a real-time network, can be realized HD video real-time Transmission,
Push numerous Internet applications to HD video, high definition is face-to-face.
Real-time high-definition video switching technology is used depending on networking, it can be such as high in a network platform by required service
Clear video conference, Intellectualized monitoring analysis, emergency command, digital broadcast television, delay TV, the Web-based instruction, shows video monitoring
Field live streaming, VOD program request, TV Mail, individual character records (PVR), Intranet (manages) channel by oneself, intelligent video Broadcast Control, information publication
All be incorporated into a system platform etc. services such as tens of kinds of videos, voice, picture, text, communication, data, by TV or
Computer realizes that high-definition quality video plays.
Embodiment in order to enable those skilled in the art to better understand the present invention is introduced to depending on networking below:
Depending on networking, applied portion of techniques is as described below:
Network technology (NetworkTechnology)
Traditional ethernet (Ethernet) is improved depending on the network technology innovation networked, with potential huge on network
Video flow.(Circuit is exchanged different from simple network packet packet switch (Packet Switching) or lattice network
Switching), Streaming demand is met using Packet Switching depending on networking technology.Has grouping depending on networking technology
Flexible, the simple and low price of exchange, is provided simultaneously with the quality and safety assurance of circuit switching, it is virtually electric to realize the whole network switch type
The seamless connection of road and data format.
Switching technology (Switching Technology)
Two advantages of asynchronous and packet switch that Ethernet is used depending on networking eliminate Ethernet under the premise of complete compatible and lack
It falls into, has the end-to-end seamless connection of the whole network, direct user terminal, directly carrying IP data packet.User data is in network-wide basis
It is not required to any format conversion.It is the more advanced form of Ethernet depending on networking, is a real-time exchange platform, can be realized at present mutually
The whole network large-scale high-definition realtime video transmission that networking cannot achieve pushes numerous network video applications to high Qinghua, unitizes.
Server technology (ServerTechnology)
It is different from traditional server, its Streaming Media depending on the server technology in networking and unified video platform
Transmission be built upon it is connection-oriented on the basis of, data-handling capacity is unrelated with flow, communication time, single network layer energy
Enough transmitted comprising signaling and data.For voice and video business, handled depending on networking and unified video platform Streaming Media
Complexity many simpler than data processing, efficiency substantially increase hundred times or more than traditional server.
Reservoir technology (Storage Technology)
The ultrahigh speed reservoir technology of unified video platform in order to adapt to the media content of vast capacity and super-flow and
Using state-of-the-art real time operating system, the programme information in server instruction is mapped to specific hard drive space, media
Content is no longer pass through server, and moment is directly delivered to user terminal, and user waits typical time less than 0.2 second.It optimizes
Sector distribution greatly reduces the mechanical movement of hard disc magnetic head tracking, and resource consumption only accounts for the 20% of the internet ad eundem IP, but
The concurrent flow greater than 3 times of traditional disk array is generated, overall efficiency promotes 10 times or more.
Network security technology (Network Security Technology)
Depending on the structural design networked by servicing independent licence system, equipment and the modes such as user data is completely isolated every time
The network security problem that puzzlement internet has thoroughly been eradicated from structure, does not need antivirus applet, firewall generally, has prevented black
The attack of visitor and virus, structural carefree secure network is provided for user.
It services innovative technology (Service Innovation Technology)
Business and transmission are fused together by unified video platform, whether single user, private user or a net
The sum total of network is all only primary automatic connection.User terminal, set-top box or PC are attached directly to unified video platform, obtain rich
The multimedia video service of rich colorful various forms.Unified video platform is traditional to substitute with table schema using " menu type "
Complicated applications programming, considerably less code, which can be used, can be realized complicated application, realize the new business innovation of " endless ".
Networking depending on networking is as described below:
It is a kind of central controlled network structure depending on networking, which can be Tree Network, Star network, ring network etc. class
Type, but centralized control node is needed to control whole network in network on this basis.
As shown in Figure 1, being divided into access net and Metropolitan Area Network (MAN) two parts depending on networking.
The equipment of access mesh portions can be mainly divided into 3 classes: node server, access switch, terminal (including various machines
Top box, encoding board, memory etc.).Node server is connected with access switch, and access switch can be with multiple terminal phases
Even, and it can connect Ethernet.
Wherein, node server is the node that centralized control functions are played in access net, can control access switch and terminal.
Node server can directly be connected with access switch, can also directly be connected with terminal.
Similar, the equipment of metropolitan area mesh portions can also be divided into 3 classes: metropolitan area server, node switch, node serve
Device.Metropolitan area server is connected with node switch, and node switch can be connected with multiple node servers.
Wherein, node server is the node server for accessing mesh portions, i.e. node server had both belonged to access wet end
Point, and belong to metropolitan area mesh portions.
Metropolitan area server is the node that centralized control functions are played in Metropolitan Area Network (MAN), can control node switch and node serve
Device.Metropolitan area server can be directly connected to node switch, can also be directly connected to node server.
It can be seen that be entirely a kind of central controlled network structure of layering depending on networking network, and node server and metropolitan area
The network controlled under server can be the various structures such as tree-shaped, star-like, cyclic annular.
Visually claim, access mesh portions can form unified video platform (part in virtual coil), and multiple unified videos are flat
Platform can form view networking；Each unified video platform can be interconnected by metropolitan area and wide area depending on networking.
1, view networked devices classification
1.1 embodiment of the present invention can be mainly divided into 3 classes: server depending on the equipment in networking, interchanger (including ether
Net association turns gateway), terminal (including various set-top boxes, encoding board, memory etc.).Metropolitan Area Network (MAN) can be divided on the whole depending on networking
(or national net, World Wide Web etc.) and access net.
1.2 equipment for wherein accessing mesh portions can be mainly divided into 3 classes: node server, access switch (including ether
Net association turns gateway), terminal (including various set-top boxes, encoding board, memory etc.).
The specific hardware structure of each access network equipment are as follows:
Node server:
As shown in Fig. 2, mainly including Network Interface Module 201, switching engine module 202, CPU module 203, disk array
Module 204；
Wherein, Network Interface Module 201, the Bao Jun that CPU module 203, disk array module 204 are come in enter switching engine
Module 202；Switching engine module 202 look into the operation of address table 205 to the packet come in, to obtain the navigation information of packet；
And the packet is stored according to the navigation information of packet the queue of corresponding pack buffer 206；If the queue of pack buffer 206 is close
It is full, then it abandons；All pack buffer queues of 202 poll of switching engine mould, are forwarded: 1) port if meeting the following conditions
It is less than to send caching；2) the queue package counting facility is greater than zero.Disk array module 204 mainly realizes the control to hard disk, including
The operation such as initialization, read-write to hard disk；CPU module 203 is mainly responsible between access switch, terminal (not shown)
Protocol processes, to address table 205 (including descending protocol packet address table, uplink protocol package address table, data packet addressed table)
Configuration, and, the configuration to disk array module 204.
Access switch:
As shown in figure 3, mainly including Network Interface Module (downstream network interface module 301, uplink network interface module
302), switching engine module 303 and CPU module 304；
Wherein, the packet (upstream data) that downstream network interface module 301 is come in enters packet detection module 305；Packet detection mould
Whether mesh way address (DA), source address (SA), type of data packet and the packet length of the detection packet of block 305 meet the requirements, if met,
It then distributes corresponding flow identifier (stream-id), and enters switching engine module 303, otherwise abandon；Uplink network interface mould
The packet (downlink data) that block 302 is come in enters switching engine module 303；The data packet that CPU module 204 is come in enters switching engine
Module 303；Switching engine module 303 look into the operation of address table 306 to the packet come in, to obtain the navigation information of packet；
If the packet into switching engine module 303 is that downstream network interface is gone toward uplink network interface, in conjunction with flow identifier
(stream-id) packet is stored in the queue of corresponding pack buffer 307；If the queue of the pack buffer 307 is close full,
It abandons；If the packet into switching engine module 303 is not that downstream network interface is gone toward uplink network interface, according to packet
Navigation information is stored in the data packet queue of corresponding pack buffer 307；If the queue of the pack buffer 307 is close full,
Then abandon.
All pack buffer queues of 303 poll of switching engine module, are divided to two kinds of situations in embodiments of the present invention:
If the queue is that downstream network interface is gone toward uplink network interface, meets the following conditions and be forwarded: 1)
It is less than that the port sends caching；2) the queue package counting facility is greater than zero；3) token that rate control module generates is obtained；
If the queue is not that downstream network interface is gone toward uplink network interface, meets the following conditions and is forwarded:
1) it is less than to send caching for the port；2) the queue package counting facility is greater than zero.
Rate control module 208 is configured by CPU module 204, to all downlink networks in programmable interval
Interface generates token toward the pack buffer queue that uplink network interface is gone, to control the code rate of forwarded upstream.
CPU module 304 is mainly responsible for the protocol processes between node server, the configuration to address table 306, and,
Configuration to rate control module 308.
Ethernet association turns gateway:
As shown in figure 4, mainly including Network Interface Module (downstream network interface module 401, uplink network interface module
402), switching engine module 403, CPU module 404, packet detection module 405, rate control module 408, address table 406, Bao Huan
Storage 407 and MAC adding module 409, MAC removing module 410.
Wherein, the data packet that downstream network interface module 401 is come in enters packet detection module 405；Packet detection module 405 is examined
Ethernet mac DA, ethernet mac SA, Ethernet length or frame type, the view networking mesh way address of measured data packet
DA, whether meet the requirements depending on networking source address SA, depending on networking data Packet type and packet length, corresponding stream is distributed if meeting
Identifier (stream-id)；Then, MAC DA, MAC SA, length or frame type are subtracted by MAC removing module 410
(2byte), and enter corresponding receive and cache, otherwise abandon；
Downstream network interface module 401 detects the transmission caching of the port, according to the view of packet networking mesh if there is Bao Ze
Address D A knows the ethernet mac DA of corresponding terminal, adds the ethernet mac DA of terminal, Ethernet assists the MAC for turning gateway
SA, Ethernet length or frame type, and send.
The function that Ethernet association turns other modules in gateway is similar with access switch.
Terminal:
It mainly include Network Interface Module, Service Processing Module and CPU module；For example, set-top box mainly connects including network
Mouth mold block, video/audio encoding and decoding engine modules, CPU module；Encoding board mainly includes Network Interface Module, video encoding engine
Module, CPU module；Memory mainly includes Network Interface Module, CPU module and disk array module.
The equipment of 1.3 metropolitan area mesh portions can be mainly divided into 2 classes: node server, node switch, metropolitan area server.
Wherein, node switch mainly includes Network Interface Module, switching engine module and CPU module；Metropolitan area server mainly includes
Network Interface Module, switching engine module and CPU module are constituted.
2, networking data package definition is regarded
2.1 access network data package definitions
Access net data packet mainly include following sections: destination address (DA), source address (SA), reserve bytes,
payload(PDU)、CRC。
As shown in the table, the data packet for accessing net mainly includes following sections:
| DA | SA | Reserved | Payload | CRC |
Wherein:
Destination address (DA) is made of 8 bytes (byte), and first character section indicates type (such as the various associations of data packet
Discuss packet, multicast packet, unicast packet etc.), be up to 256 kinds of possibility, the second byte to the 6th byte is metropolitan area net address,
Seven, the 8th bytes are access net address；
Source address (SA) is also to be made of 8 bytes (byte), is defined identical as destination address (DA)；
Reserve bytes are made of 2 bytes；
The part payload has different length according to the type of different datagrams, is if it is various protocol packages
64 bytes are 32+1024=1056 bytes if it is single group unicast packets words, are not restricted to above 2 kinds certainly；
CRC is made of 4 bytes, and calculation method follows the Ethernet CRC algorithm of standard.
2.2 Metropolitan Area Network (MAN) packet definitions
The topology of Metropolitan Area Network (MAN) is pattern, may there is 2 kinds, connection even of more than two kinds, i.e. node switching between two equipment
It can all can exceed that 2 kinds between machine and node server, node switch and node switch, node switch and node server
Connection.But the metropolitan area net address of metropolitan area network equipment is uniquely, to close to accurately describe the connection between metropolitan area network equipment
System, introduces parameter in embodiments of the present invention: label, uniquely to describe a metropolitan area network equipment.
(Multi-Protocol Label Switch, multiprotocol label are handed over by the definition of label and MPLS in this specification
Change) label definition it is similar, it is assumed that between equipment A and equipment B there are two connection, then data packet from equipment A to equipment B just
There are 2 labels, data packet also there are 2 labels from equipment B to equipment A.Label is divided into label, outgoing label, it is assumed that data packet enters
The label (entering label) of equipment A is 0x0000, and the label (outgoing label) when this data packet leaves equipment A may reform into
0x0001.The networking process of Metropolitan Area Network (MAN) is to enter network process under centralized control, also means that address distribution, the label of Metropolitan Area Network (MAN)
Distribution be all to be dominated by metropolitan area server, node switch, node server be all passively execute, this point with
The label distribution of MPLS is different, and the distribution of the label of MPLS is the result that interchanger, server are negotiated mutually.
As shown in the table, the data packet of Metropolitan Area Network (MAN) mainly includes following sections:
| DA | SA | Reserved | Label | Payload | CRC |
That is destination address (DA), source address (SA), reserve bytes (Reserved), label, payload (PDU), CRC.Its
In, the format of label, which can refer to, such as gives a definition: label is 32bit, wherein high 16bit retains, only with low 16bit, its position
Set is between the reserve bytes and payload of data packet.
Based on the above-mentioned characteristic of view networking, the core idea of the embodiment of the present invention is proposed, view networking is located at by creation
In the first virtual terminal, and be based on the first virtual terminal, establish view networked terminals and internet terminal between video communication,
When receiving the first director data packet that view networked terminals are sent for the first virtual terminal, internet terminal connection is determined
Then the first instruction set that first camera can identify uses the first instruction set, converts to the first director data packet, and
The first director data packet after conversion is sent to internet terminal, to drive first camera to execute corresponding operation,
It realizes during video communication, the control depending on networked terminals to internet medium-long range camera, improves view networking
Compatibility.
Referring to Fig. 5, a kind of step flow chart of the control method of remote camera of the embodiment of the present invention is shown, it is described
Method can be applied to view networking, can specifically include following steps:
Step 501, creation is located at the first virtual terminal in the view networking, and is based on first virtual terminal, builds
Video communication between vertical view networked terminals and internet terminal；
In practical applications, such as Fig. 6, internet terminal the first camera of connection, internet terminal, which passes through to assist, turns server
It is connected to view networked server, then by being connected to view networked terminals depending on networked server, is taken the photograph depending on networked terminals connection second
As head.
It wherein, may include the entities terminals such as set-top box (SetTopBox, STB) depending on networked terminals, set-top box can be referred to as
Box on set-top box or machine is the equipment of connection a television set and outside source, it can change into the digital signal of compression
Television content, and show on a television set.In general, set-top box can connect camera and microphone, for acquiring
The multi-medium datas such as video data and audio data, also can connect television set, for playing video data and audio data etc.
Multi-medium data.
Internet terminal may include smart phone, tablet computer, laptop, palm PC etc., and the internet is whole
End can be the terminal communicated based on H323 agreement, and H.323 agreement is the agreement based on TCP/IP layer, H.323 race's agreement
It defines and provides component, agreement and the rule of multimedia communication on the main network based on packet switch including IP network
Journey.
H.323 protocol suite include for establish calling H.225.0, for control H.245, for convention
H.332 and for supplementary service H.450.X etc., H.323 include 3 signaling control channels in agreement: RAS signaling channel,
Call signaling channel and H.245 control channel, the co-ordination of 3 channels carry out calling H.323.
Since internet terminal cannot be directly called depending on networked terminals, when view networked terminals need to establish with internet terminal
When video communication, server can be turned in association and create the first virtual terminal, and the first virtual terminal is added in view networking, so
After can by the first virtual terminal, establish view networked terminals and internet terminal video communication.
In the concrete realization, the first virtual terminal can be added in view networking using following registration process:
Every allows the terminal to network all to register in node server, and is registered to bound Ethernet association and turns gateway
Under, the registration information of terminal has terminal serial number (including device type and equipment identification information) and intrinsic information, does not register
Terminal can not network.
S11 issues inquiry packet depending on the node server with centralized control functions in networking；
After Ethernet association, which turns gateway, to network, node server will assist the downlink port for turning gateway to send to the Ethernet
Inquiry packet, check whether there is terminal device connect the Ethernet association turn under gateway.
S12, Ethernet association turn gateway and receive inquiry packet, and according to protocol package address table, inquiry packet is directed to corresponding port,
Then addition Ethernet assists the MAC Address for turning the MAC Address and target terminal of gateway in the inquiry packet, and forwards；
The destination address (DA) of the inquiry packet is the node server view networking address to be allocated to terminal, therefore with
Too net association turn gateway receive inquiry packet after, according to view networking address and ethernet mac address mapping, can find corresponding
Terminal MAC address, be then added to packet in send.Inquiry packet is transmitted after entering Ethernet according to Ethernet protocol, most
It is transmitted to target terminal eventually.
S13 after terminal power-up initializing, receives inquiry packet, returns to the response bag comprising terminal serial number；
S14, Ethernet association turn the Ethernet that gateway removes in the response bag and assist with turning gateway MAC address and terminal MAC
Location is then forwarded to node server；
The response bag includes that Ethernet association turns the destination address (DA) that gateway MAC address, terminal MAC address, view are networked
With source address (SA), Ethernet association turn gateway remove Ethernet association turn gateway MAC address, terminal MAC address after, look into No. 1 table into
Row guiding, response bag enter view networking, are transmitted according to depending on networking protocol.
S15, node server find end message corresponding with the terminal serial number in Registry, transmit into
Net is ordered, comprising terminal in the address that view is networked in the order that networks；
Node server, which receives, to be known that Ethernet association turns to have connect a terminal under gateway after the response bag of terminal sending and sets
It is standby, then search internal Registry.
S16, Ethernet association turn gateway and receive the networking order, and addition Ethernet association turns the MAC Address and target of gateway
It is forwarded after the MAC Address of terminal；
S17, terminal return to response after receiving networking order, and Ethernet association turns the Ethernet that gateway removes in the response and assists
Node server, terminal access view networking are transmitted to after turning gateway MAC address and terminal MAC address；
Terminal receives networking order, has been known that the address of oneself access view networking.
S18, node server timing issue device status inquiries instruction to the terminal of networking, check whether the terminal is normal
Work.
Node server receives networking command response, and the terminal for being known that Ethernet association turns to bind under gateway has networked,
It can periodically (such as per second) be instructed later to terminal hair device status inquiries.If node server within a certain period of time (such as 6
Second) status inquiry response is not received, it is considered as the terminal and has been removed from network, no longer sending device status query instruction,
Continue to send inquiry packet to the port.
It is described to be based on first virtual terminal in a kind of preferred embodiment of the present invention, establish view networked terminals and mutually
The step of video communication between networked terminals may include following sub-step:
Sub-step 21, receive view networked terminals be directed to first virtual terminal send the first communication request, and to will
First communication request is converted；
After creating the first virtual terminal, the first communication request can be sent to the first virtual terminal depending on networked terminals, the
One communication request may include the mark of internet terminal, such as calling number is identified as with the first virtual terminal, with internet
Terminal is identified as extension, is receiving the first communication request, association, which turns server, can turn the first communication request
It changes.
The first communication request after conversion is sent to the internet terminal by sub-step 22；
After being converted, association turns server can be according to the mark of internet terminal, through internet, after conversion
First communication request is sent to internet terminal.
Sub-step 23, it is whole with the view networked terminals, the internet when detecting the response of the internet terminal
End carries out communication negotiation, and according to the communication negotiation as a result, establish the view networked terminals and the internet terminal it
Between video communication.
After receiving the first communication request after conversion, internet terminal can be mutual when detecting with returning response message
When the response message that networked terminals return, association, which turns server, can carry out communication negotiation with internet terminal, view networked terminals, such as
Communication channel, video format, the principal and subordinate's information etc. of video communication are carried out, it then can regarding as a result, establishing according to communication negotiation
The video communication of networked terminals and internet terminal.
Step 502, when receive it is described view networked terminals be directed to first virtual terminal send the first director data
Bao Shi determines the first instruction set that the first camera of the internet terminal connection can identify；
During video communication, user can select internet terminal connection by regarding the remote controler of networked terminals
First camera such as clicks the Help button, selects the first camera, then can be remotely controlled operation, such as clicks and presses above and below
Key, remotely to control the first camera.
When detecting remote control operation, corresponding first director data packet can be generated depending on networked terminals, such as 8e01 data packet,
Then the first director data packet is sent to the first virtual terminal, after receiving the first director data packet, association turns server can
With the first instruction set that first determining first camera can identify, in order to carry out instruction conversion.
In a kind of preferable example, 8e01 data packet can be sent to view networked server depending on networked terminals, depending on networking
Server can be converted to 8e02 data packet, then 8e02 data packet can be sent to association and turn server.
Step 503, using first instruction set, the first director data packet is converted, and by the conversion
The first director data packet afterwards is sent to the internet terminal, to drive first camera to execute corresponding operation.
After determining the first instruction set, association, which turns server, can be carried out the first director data packet using the first instruction set
Conversion, the first director data packet after being converted, such as data packet based on the H224 agreement in H323 protocol family.
Wherein, H224 agreement is the agreement belonged in H323 protocol family, mobile in position of the industrial aspect to equipment
And a kind of agreement set, comprising being rotated up and down to locally or remotely camera, what the stretching of camera focal length focused
Control protocol, the prefabricated position setting of camera.
After the first director data packet after being converted, association turns server can be by the first director data packet after conversion
Being sent to internet terminal can control the first camera after internet terminal receives the first director data packet after conversion
The corresponding operation of the first director data packet after executing conversion, such as moving operation, focusing operation.
It is described to use first instruction set in a kind of preferred embodiment of the present invention, to the first director data packet
The step of being converted may include following sub-step:
Sub-step 31 extracts the first operation code from the first director data packet；
In the concrete realization, association, which turns server, can parse the first director data packet, extract from specific field
First operation code out.
First operation code is converted to the second operation code using first instruction set by sub-step 32；
After determining the first instruction set, instruction conversion can be carried out to the first operation code using the first instruction set, obtain the
Two operation codes.
Sub-step 33 is based on second operation code, the first director data packet after generating conversion.
After obtaining the second operation code, association turns server and can be packaged to the second operation code, and the after being converted
One director data packet.
Specifically, sub-step 33 may include following sub-step:
Determine the Internet protocol that the internet terminal uses；Using the Internet protocol, to second operation
Code encapsulation, the first director data packet after being converted.
In embodiments of the present invention, association, which turns server, can determine Internet protocol used by internet terminal, such as
Then H224 agreement is packaged the second operation code using the Internet protocol, the first director data packet after being converted.
In a kind of preferred embodiment of the present invention, it can also include the following steps:
When detecting that the first real-time video meets the first preset condition, the first suspended market order is generated；It will be in described first
Only director data packet is sent to the internet terminal, to promote first camera to stop to execute corresponding operation.
Wherein, the first real-time video can be the video that internet terminal acquires in real time.
During controlling the first camera, association, which turns server, can receive the first real-time view of internet terminal transmission
Frequently, when detecting that the first real-time video meets the first preset condition, such as the first real-time video picture by being acquired after focusing
Clearly, captaincy is placed in the middle etc. in picture, and association turns server and the first suspended market order can be generated, and then sends out the first suspended market order
It send to internet terminal, it is corresponding that internet terminal can control the first director data packet that the first camera stops to execute after converting
Operation.
In a kind of preferable example, after the completion of the first camera is executed and operated, internet terminal, which can be generated, have been operated
At message, then turn server by association and be sent to view networked terminals depending on networked server, is remotely controlled with to terminate this
Process, and hang up instruction can be generated depending on networked terminals, then by turning server depending on networked server and association and being sent to interconnection
Network termination, internet terminal can return to hangup response message to view networked terminals, to terminate video communication.
In embodiments of the present invention, by creating the first virtual terminal in view networking, and it is virtual whole based on first
End, the video communication between foundation view networked terminals and internet terminal are virtual whole for first when receiving view networked terminals
When holding the first director data packet sent, the first instruction set that the first camera of internet terminal connection can identify is determined,
Then the first instruction set is used, the first director data packet is converted, and the first director data packet after conversion is sent to
Internet terminal is realized during video communication with driving first camera to execute corresponding operation, depending on networking
Control of the terminal to internet medium-long range camera improves the compatibility of view networking.
Referring to Fig. 7, the step flow chart of the control method of another remote camera of the embodiment of the present invention, institute are shown
The method of stating can be applied to view networking, can specifically include following steps:
Step 701, creation is located at the second virtual terminal in the internet, and is based on second virtual terminal, builds
Video communication between vertical view networked terminals and internet terminal；
Step 702, when receive the internet terminal be directed to second virtual terminal send the second director data
Bao Shi determines the second instruction set that the second camera depending on networked terminals connection can identify；
Step 703, using second instruction set, the second director data packet is converted, and by the conversion
The second director data packet afterwards is sent to the view networked terminals, to drive the second camera to execute corresponding operation.
It is described to use second instruction set in a kind of preferred embodiment of the present invention, to the second director data packet
The step of being converted include:
From the second director data packet, third operation code is extracted；
Using second instruction set, the third operation code is converted into the 4th operation code；
The second director data packet based on the 4th operation code, after generating conversion.
It is described to be based on the 4th operation code in a kind of preferred embodiment of the present invention, described second after generating conversion
The step of director data packet includes:
Determine the view networking protocol that the view networked terminals use；
Using the view networking protocol, the 4th operation code is encapsulated, the second director data packet after being converted.
It is described to be based on second virtual terminal in a kind of preferred embodiment of the present invention, establish view networked terminals and mutually
The step of video communication between networked terminals includes:
It receives internet terminal and is directed to the second communication request that second virtual terminal is sent, and lead to by described second
Letter request is converted；Wherein, second communication request includes regarding the mark of networked terminals；
The second communication request after conversion is sent to the view networked terminals；
When detecting the response of the view networked terminals, led to described depending on networked terminals, the internet terminal
Letter is negotiated, and according to the communication negotiation as a result, establishing the video between the view networked terminals and the internet terminal
Communication.
In a kind of preferred embodiment of the present invention, further includes:
When detecting that the second real-time video meets the second preset condition, the second suspended market order is generated；Wherein, described second
Real-time video is the video acquired in real time depending on networked terminals；
The second suspended market order data packet is sent to the view networked terminals, to promote the second camera to stop
Execute corresponding operation.
It should be noted that for embodiment of the method as described in Figure 7, since it is embodiment of the method as described in Figure 6
Reverse process, be referred to the description of embodiment of the method as described in Figure 6, details are not described herein.
For embodiment of the method, for simple description, therefore, it is stated as a series of action combinations, but this field
Technical staff should be aware of, and embodiment of that present invention are not limited by the describe sequence of actions, because implementing according to the present invention
Example, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art should also know that, specification
Described in embodiment belong to preferred embodiment, the actions involved are not necessarily necessary for embodiments of the present invention.
Referring to Fig. 8, a kind of structural block diagram of the control device of remote camera of the embodiment of the present invention is shown, is applied to
Depending on networking, following module can specifically include:
First communication building block 801, for creating the first virtual terminal being located in the view networking, and based on described
First virtual terminal establishes the video communication between view networked terminals and internet terminal；
First instruction set determining module 802 receives the view networked terminals for first virtual terminal for working as
When the first director data packet sent, the first instruction that the first camera of the internet terminal connection can identify is determined
Collection；
First director data packet sending module 803, for using first instruction set, to the first director data packet
It is converted, and the first director data packet after the conversion is sent to the internet terminal, to drive described first to take the photograph
As head executes corresponding operation.
In a kind of preferred embodiment of the present invention, the first director data packet sending module 803 includes:
First operation code extracting sub-module, for extracting the first operation code from the first director data packet；
First operation code is converted to for using first instruction set by the first operation code transform subblock
Two operation codes；
First director data packet generates submodule, for being based on second operation code, described first after generating conversion
Director data packet.
In a kind of preferred embodiment of the present invention, the first director data packet generates submodule and includes:
Internet protocol determination unit, the Internet protocol used for determining the internet terminal；
Second operation code encapsulation unit encapsulates second operation code, is turned for using the Internet protocol
The first director data packet after changing.
In a kind of preferred embodiment of the present invention, first communication building block 801 includes:
First communication request transform subblock, the sent for receiving view networked terminals for first virtual terminal
One communication request, and converted to by first communication request；Wherein, first communication request includes internet terminal
Mark；
It is whole to be sent to the internet for the first communication request after converting for first communication request sending submodule
End；
First communication negotiation submodule, for being networked eventually with the view when detecting the response of the internet terminal
End, the internet terminal carry out communication negotiation, and according to the communication negotiation as a result, establishing the view networked terminals and institute
State the video communication between internet terminal.
In a kind of preferred embodiment of the present invention, further includes:
First suspended market order generation module, for generating when detecting that the first real-time video meets the first preset condition
First suspended market order；Wherein, first real-time video is the video that the internet terminal acquires in real time；
First suspended market order sending module, it is whole for the first suspended market order data packet to be sent to the internet
End, to promote first camera to stop to execute corresponding operation.
Referring to Fig. 9, the structural block diagram of the control device of another remote camera of the embodiment of the present invention is shown, is applied
It networks in view, can specifically include following module:
Second communication building block 901, for creating the second virtual terminal being located in the internet, and based on described
Second virtual terminal establishes the video communication between view networked terminals and internet terminal；
Second instruction set determining module 902 receives the internet terminal for second virtual terminal for working as
When the second director data packet sent, the second instruction that the second camera depending on networked terminals connection can identify is determined
Collection；
Second director data packet sending module 903, for using second instruction set, to the second director data packet
It is converted, and the second director data packet after the conversion is sent to the view networked terminals, to drive described second to take the photograph
As head executes corresponding operation.
In a kind of preferred embodiment of the present invention, the second director data packet sending module 903 includes:
Third operation code extracting sub-module, for extracting third operation code from the second director data packet；
The third operation code is converted to for using second instruction set by third operation code transform subblock
Four operation codes；
Second director data packet generates submodule, for being based on the 4th operation code, described second after generating conversion
Director data packet.
In a kind of preferred embodiment of the present invention, the second director data packet generates submodule and includes:
Depending on networking protocol determination unit, for determining the view networking protocol of the view networked terminals use；
4th operation code encapsulation unit encapsulates the 4th operation code, is turned for using the view networking protocol
The second director data packet after changing.
In a kind of preferred embodiment of the present invention, second communication building block 901 includes:
Second communication request transform subblock, the sent for receiving internet terminal for second virtual terminal
Two communication requests, and converted to by second communication request；Wherein, second communication request includes view networked terminals
Mark；
Second communication request sending submodule is sent to the view networking eventually for the second communication request after converting
End；
Second communication negotiation submodule, for being networked eventually with the view when detecting the response of the view networked terminals
End, the internet terminal carry out communication negotiation, and according to the communication negotiation as a result, establishing the view networked terminals and institute
State the video communication between internet terminal.
In a kind of preferred embodiment of the present invention, further includes:
Second suspended market order generation module, for generating when detecting that the second real-time video meets the second preset condition
Second suspended market order；Wherein, second real-time video is the video acquired in real time depending on networked terminals；
Second suspended market order sending module is networked eventually for the second suspended market order data packet to be sent to the view
End, to promote the second camera to stop to execute corresponding operation.
The embodiment of the invention also discloses a kind of electronic equipment, including processor, memory and it is stored in the memory
Computer program that is upper and can running on the processor, is realized as above when the computer program is executed by the processor
A kind of the step of control method of remote camera.
The embodiment of the invention also discloses a kind of computer readable storage medium, deposited on the computer readable storage medium
Computer program is stored up, a kind of controlling party of remote camera as described above is realized when the computer program is executed by processor
The step of method.
For device embodiment, since it is basically similar to the method embodiment, related so being described relatively simple
Place illustrates referring to the part of embodiment of the method.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can provide as method, apparatus or calculate
Machine program product.Therefore, the embodiment of the present invention can be used complete hardware embodiment, complete software embodiment or combine software and
The form of the embodiment of hardware aspect.Moreover, the embodiment of the present invention can be used one or more wherein include computer can
With in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code
The form of the computer program product of implementation.
The embodiment of the present invention be referring to according to the method for the embodiment of the present invention, terminal device (system) and computer program
The flowchart and/or the block diagram of product describes.It should be understood that flowchart and/or the block diagram can be realized by computer program instructions
In each flow and/or block and flowchart and/or the block diagram in process and/or box combination.It can provide these
Computer program instructions are set to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to generate a machine, so that being held by the processor of computer or other programmable data processing terminal devices
Capable instruction generates for realizing in one or more flows of the flowchart and/or one or more blocks of the block diagram
The device of specified function.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing terminal devices
In computer-readable memory operate in a specific manner, so that instruction stored in the computer readable memory generates packet
The manufacture of command device is included, which realizes in one side of one or more flows of the flowchart and/or block diagram
The function of being specified in frame or multiple boxes.
These computer program instructions can also be loaded into computer or other programmable data processing terminal devices, so that
Series of operation steps are executed on computer or other programmable terminal equipments to generate computer implemented processing, thus
The instruction executed on computer or other programmable terminal equipments is provided for realizing in one or more flows of the flowchart
And/or in one or more blocks of the block diagram specify function the step of.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases
This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as
Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
Above to a kind of control method and device of remote camera provided by the present invention, it is described in detail, this
Apply that a specific example illustrates the principle and implementation of the invention in text, the explanation of above example is only intended to
It facilitates the understanding of the method and its core concept of the invention；At the same time, for those skilled in the art, think of according to the present invention
Think, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as pair
Limitation of the invention.
Claims (10)
1. a kind of control method of remote camera, which is characterized in that be applied to view networking, comprising:
Creation is located at the first virtual terminal in the view networking, and is based on first virtual terminal, establishes view networked terminals
Video communication between internet terminal；
When receiving the first director data packet that the view networked terminals are sent for first virtual terminal, described in determination
The first instruction set that first camera of internet terminal connection can identify；
Using first instruction set, the first director data packet is converted, and first after the conversion is instructed
Data packet is sent to the internet terminal, to drive first camera to execute corresponding operation.
2. referring to the method according to claim 1, wherein described use first instruction set to described first
The step of enabling data packet be converted include:
From the first director data packet, the first operation code is extracted；
Using first instruction set, first operation code is converted into the second operation code；
The first director data packet based on second operation code, after generating conversion.
3. according to the method described in claim 2, it is characterized in that, described be based on second operation code, after generating conversion
The step of first director data packet includes:
Determine the Internet protocol that the internet terminal uses；
Using the Internet protocol, second operation code is encapsulated, the first director data packet after being converted.
4. method according to claim 1 or 2 or 3, which is characterized in that it is described to be based on first virtual terminal, it establishes
Include: depending on the step of video communication between networked terminals and internet terminal
It receives view networked terminals and is directed to the first communication request that first virtual terminal is sent, and asked to by first communication
It asks and is converted；Wherein, first communication request includes the mark of internet terminal；
The first communication request after conversion is sent to the internet terminal；
When detecting the response of the internet terminal, communication protocols are carried out with the view networked terminals, the internet terminal
Quotient, and according to the communication negotiation as a result, establishing the video communication between the view networked terminals and the internet terminal.
5. the method according to claim 1, wherein further include:
When detecting that the first real-time video meets the first preset condition, the first suspended market order is generated；Wherein, described first in real time
Video is the video that the internet terminal acquires in real time；
The first suspended market order data packet is sent to the internet terminal, to promote first camera to stop to execute
Corresponding operation.
6. a kind of control method of remote camera, which is characterized in that be applied to view networking, comprising:
Creation is located at the second virtual terminal in the internet, and is based on second virtual terminal, establishes view networked terminals
Video communication between internet terminal；
When receiving the second director data packet that the internet terminal is sent for second virtual terminal, described in determination
The second instruction set that can be identified depending on the second camera of networked terminals connection；
Using second instruction set, the second director data packet is converted, and second after the conversion is instructed
Data packet is sent to the view networked terminals, to drive the second camera to execute corresponding operation.
7. a kind of control device of remote camera, which is characterized in that be applied to view networking, comprising:
First communication building block, for creating the first virtual terminal being located in the view networking, and it is empty based on described first
Quasi- terminal, establishes the video communication between view networked terminals and internet terminal；
First instruction set determining module, for when receive that the view networked terminals send for first virtual terminal the
When one director data packet, the first instruction set that the first camera of the internet terminal connection can identify is determined；
First director data packet sending module turns the first director data packet for using first instruction set
It changes, and the first director data packet after the conversion is sent to the internet terminal, to drive first camera to hold
The corresponding operation of row.
8. a kind of control device of remote camera, which is characterized in that be applied to view networking, comprising:
Second communication building block, for creating the second virtual terminal being located in the internet, and it is empty based on described second
Quasi- terminal, establishes the video communication between view networked terminals and internet terminal；
Second instruction set determining module, for when receive that the internet terminal sends for second virtual terminal the
When two director data packets, the second instruction set that the second camera depending on networked terminals connection can identify is determined；
Second director data packet sending module turns the second director data packet for using second instruction set
It changes, and the second director data packet after the conversion is sent to the view networked terminals, to drive the second camera to hold
The corresponding operation of row.
9. a kind of electronic equipment, including processor, memory and it is stored on the memory and can transports on the processor
Capable computer program, which is characterized in that such as claim 1 to 6 is realized when the computer program is executed by the processor
Any one of the method the step of.
10. a kind of computer readable storage medium, which is characterized in that store computer journey on the computer readable storage medium
Sequence is realized when the computer program is executed by processor such as the step of any one of claims 1 to 6 the method.
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| CN201810274317.2A CN110324526A (en) | 2018-03-29 | 2018-03-29 | A kind of control method and device of remote camera |
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| CN201810274317.2A CN110324526A (en) | 2018-03-29 | 2018-03-29 | A kind of control method and device of remote camera |
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