CN110418199A - A kind of information processing method and system based on view networking - Google Patents
A kind of information processing method and system based on view networking Download PDFInfo
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- CN110418199A CN110418199A CN201810388126.9A CN201810388126A CN110418199A CN 110418199 A CN110418199 A CN 110418199A CN 201810388126 A CN201810388126 A CN 201810388126A CN 110418199 A CN110418199 A CN 110418199A
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- packet loss
- video
- communication link
- monitoring video
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0823—Errors, e.g. transmission errors
- H04L43/0829—Packet loss
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- 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
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4334—Recording operations
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- 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
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
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- 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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/643—Communication protocols
- H04N21/6437—Real-time Transport Protocol [RTP]
Abstract
The embodiment of the invention provides a kind of information processing methods and system based on view networking.First monitoring video flow of video server Xiang Xiezhuan server transmission internet protocol-based；Association turns server and receives the first monitoring video flow, detects the packet loss of the first monitoring video flow, and the first monitoring video flow is converted to the second monitoring video flow based on view networking protocol, sends the second monitoring video flow and the packet loss to view networked terminals；The second monitoring video flow and the packet loss are received depending on networked terminals, the second monitoring video flow is played, shows the packet loss.So, when there is phenomena such as flower screen, frame-skipping or blank screen in the monitoring video flow of broadcasting, the reason of phenomena such as monitoring personnel is assured that appearance flower screen, frame-skipping or blank screen according to the packet loss of display, and then failure is checked according to the reason in time, to avoid occurring phenomena such as flower screen, frame-skipping or blank screen when playing monitoring video flow later, so that it can be seen that complete monitoring video flow after monitoring personnel.
Description
Technical field
The present invention relates to view networking technology fields, more particularly to a kind of information processing method based on depending on networking and are
System.
Background technique
It is social now, in order to provide safety precautions and guarantee to the work and life of people, generally require in critical positions
Place's setting monitoring camera, then records the monitoring video flow at critical positions by monitoring camera, later, arranges monitor
It whether there is suspicious figure in the monitoring video flow that member's checking monitoring camera is recorded, for example, checking whether that there are fugitive personnel
Deng.
Wherein, the monitoring video flow that terminal carrys out the recording of checking monitoring camera can be used in monitoring personnel, for example, video takes
The monitoring video flow that business device can will be recorded in advance with collection monitoring camera, when monitoring personnel needs checking monitoring camera to record
When the monitoring video flow of system, the monitoring video flow that monitoring camera is recorded can be sent to terminal by video server, and terminal connects
The monitoring video flow that video server is sent is received, and plays monitoring video flow on the screen, monitoring personnel can check that terminal exists
The monitoring video flow played on screen.
However, in the prior art, video server needs when terminal and video server are not located at the same local area network
Monitoring video flow is sent to the terminal by internet.For example, video server, which generates, is based on IP (Internet
Protocol, Internet protocol) agreement monitoring video flow, and by the monitoring video flow based on IP agreement by internet extremely
A few router is sent to the entry gateway of the local area network where terminal, which is receiving the prison based on IP agreement
It controls video flowing and then the monitoring video flow based on IP agreement is sent to the terminal.
But inventor has found during realizing the embodiment of the present invention, and following defect exists in the prior art:
The monitoring video flow of broadcasting sometimes will appear phenomena such as flower screen, frame-skipping or blank screen, cause monitoring personnel that can not see
To complete monitor video, monitoring personnel can not determine that phenomena such as spending screen, frame-skipping or blank screen is since monitoring camera is recorded at this time
Caused by monitoring video flow of system itself is problematic, or the biography due to monitoring video flow between video server and terminal
During defeated caused by packet loss, monitoring personnel can not suit the remedy to the case according to the reason of leading to phenomena such as spending screen, frame-skipping or blank screen
It solves the problems, such as, so that can not still see complete monitoring video flow after monitoring personnel.
Summary of the invention
To solve the above-mentioned problems, the embodiment of the invention discloses it is a kind of based on depending on network information processing method and be
System.
In a first aspect, the embodiment of the present invention shows a kind of information processing method based on view networking, the view networking packet
Video server is included, association turns server and regards networked terminals, the video server and the association turn between server based on mutual
Networking protocol communication connection, the association turn between server and the view networked terminals based on view networking protocol communication connection, institute
The method of stating includes:
The video server turns the first monitoring video flow that server sends internet protocol-based to the association；
The association turns server and receives first monitoring video flow, detects the packet loss of first monitoring video flow,
First monitoring video flow is converted into the second monitoring video flow based on view networking protocol, is sent to the view networked terminals
Second monitoring video flow and the packet loss；
The view networked terminals receive second monitoring video flow and the packet loss, play second monitor video
Stream, shows the packet loss.
In an optional implementation, first monitoring video flow includes multiple video data packets；The method
Further include:
The association turns server and judges whether the packet loss is greater than default packet loss threshold value；
If the packet loss is greater than default packet loss threshold value, it is determined that first monitoring video flow is in transmission process
The mark of lost target video data packet, Xiang Suoshu video server send retransmission request, described in the retransmission request carries
The mark of target video data packet, the retransmission request is for requesting the video server according to the target video data packet
Mark transmit the target video data packet again；
The video server receives the retransmission request, is obtained according to the mark of the target video data packet based on mutual
The target video data packet of networking protocol turns the target video that server sends internet protocol-based to the association
Data packet；
The association turns the target video data packet that server receives internet protocol-based, by internet protocol-based
The target video data packet be converted to based on view networking protocol the target video data packet, to the view networked terminals
Send the target video data packet based on view networking protocol；
The view networked terminals receive the target video data packet based on view networking protocol, and are playing described second
When monitoring video flow, the target video data packet based on view networking protocol is played.
In an optional implementation, the association turns to include a plurality of communication between server and the video server
Link；
After the packet loss of detection first monitoring video flow, further includes:
The association turns server and judges whether the packet loss is greater than default packet loss threshold value, if the packet loss is greater than
Default packet loss threshold value then sends communication link replacement notice to the video server；
The video server receives the communication link replacement notice, and selection is except current in the multiple communication link
The backward association that the communication link of selection is determined as being used for is turned service by a communication link other than the communication link used
The communication link of device transmission monitoring video flow.
In an optional implementation, the selection in the multiple communication link removes currently used communication chain
A communication link other than road, comprising:
The video server obtains each in addition to currently used communication link in the multiple communication link
The load of a communication link；
In the communication link in addition to currently used communication link in the multiple communication link, selection load is most
Low communication link.
In an optional implementation, the method also includes:
The association turns server and judges whether the packet loss is greater than default packet loss threshold value, if the packet loss is greater than
Default packet loss threshold value then sends pause notice to the video server；
The video server receives the pause notice, suspends to the association and turns server transmission monitoring video flow, and
Restore to turn server transmission monitoring video flow to the association after preset duration.
Second aspect, the embodiment of the present invention show a kind of information processing system based on view networking, the view networking packet
Video server is included, association turns server and regards networked terminals, the video server and the association turn between server based on mutual
Networking protocol communication connection, the association turn between server and the view networked terminals based on view networking protocol communication connection, institute
The system of stating includes:
The video server is used to turn the first monitoring video flow that server sends internet protocol-based to the association；
The association turns server for receiving first monitoring video flow, detects the packet loss of first monitoring video flow
First monitoring video flow is converted to the second monitoring video flow based on view networking protocol, to the view networked terminals by rate
Send second monitoring video flow and the packet loss；
It is described to be monitored depending on networked terminals for receiving second monitoring video flow and the packet loss, broadcasting described second
Video flowing shows the packet loss.
In an optional implementation, first monitoring video flow includes multiple video data packets；
The association turns server and is also used to judge whether the packet loss is greater than default packet loss threshold value；If the packet loss
Rate is greater than default packet loss threshold value, it is determined that the monitor video data packet that first monitoring video flow is lost in transmission process
Mark, Xiang Suoshu video server sends retransmission request, and the retransmission request carries the mark of the monitor video data packet,
The retransmission request is for requesting the video server to transmit the prison again according to the mark of the monitor video data packet
Control video data packet；
The video server is also used to receive the retransmission request, is obtained according to the mark of the monitor video data packet
The monitor video data packet of internet protocol-based turns the prison that server sends internet protocol-based to the association
Control video data packet；
The association turns the monitor video data packet that server is also used to receive internet protocol-based, will be based on interconnection
The monitor video data packet of fidonetFido is converted to the monitor video data packet based on view networking protocol, joins to the view
Network termination sends the monitor video data packet based on view networking protocol；
It is described to be also used to receive the monitor video data packet based on view networking protocol depending on networked terminals, and playing institute
When stating the second monitoring video flow, the monitor video data packet based on view networking protocol is played.
In an optional implementation, the association turns to include a plurality of communication between server and the video server
Link；
The association turns server and is also used to judge whether the packet loss is greater than default packet loss threshold value, if the packet loss
Rate is greater than default packet loss threshold value, then sends communication link replacement notice to the video server；
The video server is also used to receive the communication link replacement notice, selects in the multiple communication link
The communication link of selection is determined as the backward association being used for by a communication link in addition to currently used communication link
Turn the communication link that server sends monitoring video flow.
In an optional implementation, the video server is specifically used for: obtaining in the multiple communication link
Each communication link in addition to currently used communication link load；Removing in the multiple communication link is current
Selection loads minimum communication link in communication link other than the communication link used.
In an optional implementation, the association turns server, and to be also used to judge whether the packet loss is greater than default
Packet loss threshold value sends pause notice to the video server if the packet loss is greater than default packet loss threshold value；
The video server is also used to receive the pause notice, suspends to the association and turns server transmission monitor video
Stream, and restore to turn server transmission monitoring video flow to the association after preset duration.
The embodiment of the present invention includes following advantages:
In embodiments of the present invention, video server Xiang Xiezhuan server sends the first monitoring view of internet protocol-based
Frequency flows；Association turns server and receives the first monitoring video flow, and association turns the packet loss that server detects the first monitoring video flow, and association turns clothes
First monitoring video flow is converted to the second monitoring video flow based on view networking protocol by business device；It is whole to view networking that association turns server
End sends the second monitoring video flow and the packet loss；The second monitoring video flow and the packet loss are received depending on networked terminals, depending on networking
The second monitoring video flow of terminal plays, shows the packet loss.In this way, the monitoring video flow appearance flower in broadcasting shields, frame-skipping or black
When phenomena such as screen, monitoring personnel is assured that the original for phenomena such as flower screen, frame-skipping or blank screen occur according to the packet loss of display
Cause, and then failure is checked according to the reason in time, to avoid occurring flower screen, frame-skipping or blank screen when playing monitoring video flow later
Phenomena such as, so that it can be seen that complete monitoring video flow after monitoring personnel.
Wherein, if flower screen, frame-skipping or blank screen etc. occur during playing the second monitoring video flow in view networked terminals
Phenomena such as phenomenon, then monitoring personnel can know appearance flower screen, frame-skipping or blank screen by the packet loss of display is due to view
Caused by the first monitoring video flow itself that frequency recording arrangement is recorded is problematic, or since the first monitoring video flow is from view
Packet loss during frequency server Xiang Xiezhuan server transport and cause.
For example, if the packet loss is greater than or equal to default packet loss threshold value, it is determined that flower screen, frame-skipping or blank screen etc. occur
Phenomenon be due to the first monitoring video flow during from video server Xiang Xiezhuan server transport caused by packet loss.Such as
The fruit packet loss is less than default packet loss threshold value, it is determined that phenomena such as flower screen, frame-skipping or blank screen occur is since video record is set
Caused by the first monitoring video flow of standby acquisition itself is problematic.
If there is the first monitoring video flow sheet that phenomena such as flower screen, frame-skipping or blank screen is due to video recording device acquisition
Caused by body is problematic, then monitoring personnel can overhaul video recording device in time, so as to record after video recording device
Monitoring video flow it is no longer problematic so that monitoring personnel is it can be seen that complete monitoring video flow.
It is since the first monitoring video flow is from video server Xiang Xiezhuan if there is flower screen, frame-skipping or phenomena such as blank screen
During server transport caused by packet loss, then monitoring personnel can overhaul video server in time and association turn server it
Between transmission link so that the packet loss for the monitoring video flow that the rear Xiang Xiezhuan server of video server is sent is lower than default threshold
Value, so that it can be seen that complete monitoring video flow after monitoring personnel.
Detailed description of the invention
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 structural block diagram of information processing system embodiment based on view networking of the invention；
Fig. 6 is a kind of step flow chart of information processing method embodiment based on view networking of the 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.
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 (Network Technology)
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 (Server Technology)
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.
Classify depending on networked devices
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 gateway), terminal (including various set-top boxes, encoding board, memory etc.).Depending on networking can be divided on the whole Metropolitan Area Network (MAN) (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 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 frametype, 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, one of the core concepts of the embodiments of the present invention is proposed, it then follows regard the association of networking
View, the packet loss of monitoring video flow can be shown depending on networked terminals, in the monitoring video flow of broadcasting when playing monitoring video flow
When there is phenomena such as flower screen, frame-skipping or blank screen, monitoring personnel is assured that appearance flower screen, frame-skipping or blank screen according to the packet loss
Phenomena such as the reason of, and then failure can be checked according to the reason in time, so that it can be seen that complete prison after monitoring personnel
Control video flowing.
Referring to Fig. 5, a kind of structural block diagram of information processing system embodiment based on view networking of the invention is shown, it should
System includes that video server 01, association turn server 02 and view networked terminals 03, video server 01 and association turn server 02 it
Between internet protocol-based communicate to connect, association turn server 02 and view networked terminals 03 between based on view networking protocol communication link
It connects.
Referring to Fig. 6, a kind of step flow chart of information processing method embodiment based on view networking of the invention is shown,
It can specifically include following steps:
In step s101, video server Xiang Xiezhuan server sends the first monitor video of internet protocol-based
Stream；
In embodiments of the present invention, when user needs to check that the monitoring that video recording device is recorded regards using depending on networked terminals
Frequency flow when, can control view networked terminals generate based on depending on networking protocol, for obtain monitoring video flow first acquisition ask
It asks, then regards networked terminals Xiang Xiezhuan server and send the first acquisition request.
Association turns server and receives the first acquisition request, and the first acquisition request is converted to internet protocol-based, use
The second acquisition request is sent in the second acquisition request for obtaining monitoring video flow, and to video server.
Video server receives the second acquisition request, since video recording device can be prior by the monitoring video flow being recorded to
It is sent to video server storage, therefore the first monitoring video flow of the available internet protocol-based of video server, and
First monitoring video flow of Xiang Xiezhuan server transmission internet protocol-based.
Wherein, video server can be by assisting the communication link Xiang Xiezhuan server transmission first turned between server
Monitoring video flow.
In step s 102, association turns server the first monitoring video flow of reception；
Wherein, association, which turns server, can turn server transmission by the reception of the communication link between video server association
First monitoring video flow.
In step s 103, association turns the packet loss that server detects the first monitoring video flow；
It in embodiments of the present invention, include multiple video data packets with sequencing in the first monitoring video flow, respectively
A data packet all has data number, the first monitoring video flow during from video server Xiang Xiezhuan server transport,
Some data packets in first monitoring video flow may lose.
Association turns to can detecte in the first monitoring video flow received after server receives the first monitoring video flow
Whether data packet is complete, for example, detecting the data packet in the first monitoring video flow received according to the data number of data packet
It is whether complete, and then determine the packet loss of the first monitoring video flow.
In step S104, association turns server and the first monitoring video flow is converted to the second monitoring based on view networking protocol
Video flowing；
In embodiments of the present invention, association, which turns server, has the function of protocol conversion, i.e., association, which will turn server, will be based on
The data of internet protocol-based are converted to depending on the data of networking protocol, it is equally possible that by the number of internet protocol-based
According to be converted to based on view networking protocol data.
Since view networked terminals support view networking protocol, without supporting Internet protocol, in order to enable view networked terminals energy
The first monitoring video flow sound intermediate frequency stream and image stream are enough parsed, association turns server and needs the first monitoring video flow being converted to base
In the second monitoring video flow of view networking protocol, step S105 is then executed.
In step s105, association turns server to view networked terminals the second monitoring video flow of transmission and the packet loss；
In this step, association, which turns server, can be sent out by the communication link between view networked terminals to view networked terminals
Send the second monitoring video flow and the packet loss.
In step s 106, the second monitoring video flow and the packet loss are received depending on networked terminals；
In this step, the reception of the communication link between server association can be turned by association depending on networked terminals and turns server
The second monitoring video flow and the packet loss sent.
In step s 107, the second monitoring video flow is played depending on networked terminals, shows the packet loss.
Wherein, the monitoring video flow of internet protocol-based can be for based on RTP (Real-timeTransport
Protocol real-time transport protocol) monitoring video flow, alternatively, be the monitoring video flow based on H323 agreement.It is networked based on view
The monitoring video flow of agreement can be the monitoring video flow of V2V agreement.
In embodiments of the present invention, video server Xiang Xiezhuan server sends the first monitoring view of internet protocol-based
Frequency flows；Association turns server and receives the first monitoring video flow, and association turns the packet loss that server detects the first monitoring video flow, and association turns clothes
First monitoring video flow is converted to the second monitoring video flow based on view networking protocol by business device；It is whole to view networking that association turns server
End sends the second monitoring video flow and the packet loss；The second monitoring video flow and the packet loss are received depending on networked terminals, depending on networking
The second monitoring video flow of terminal plays, shows the packet loss.In this way, the monitoring video flow appearance flower in broadcasting shields, frame-skipping or black
When phenomena such as screen, monitoring personnel is assured that the original for phenomena such as flower screen, frame-skipping or blank screen occur according to the packet loss of display
Cause, and then failure is checked according to the reason in time, to avoid occurring flower screen, frame-skipping or blank screen when playing monitoring video flow later
Phenomena such as, so that it can be seen that complete monitoring video flow after monitoring personnel.
Wherein, if flower screen, frame-skipping or blank screen etc. occur during playing the second monitoring video flow in view networked terminals
Phenomena such as phenomenon, then monitoring personnel can know appearance flower screen, frame-skipping or blank screen by the packet loss of display is due to view
Caused by the first monitoring video flow itself that frequency recording arrangement is recorded is problematic, or since the first monitoring video flow is from view
Packet loss during frequency server Xiang Xiezhuan server transport and cause.
For example, if the packet loss is greater than or equal to default packet loss threshold value, it is determined that flower screen, frame-skipping or blank screen etc. occur
Phenomenon be due to the first monitoring video flow during from video server Xiang Xiezhuan server transport caused by packet loss.Such as
The fruit packet loss is less than default packet loss threshold value, it is determined that phenomena such as flower screen, frame-skipping or blank screen occur is since video record is set
Caused by the first monitoring video flow of standby acquisition itself is problematic.
If there is the first monitoring video flow sheet that phenomena such as flower screen, frame-skipping or blank screen is due to video recording device acquisition
Caused by body is problematic, then monitoring personnel can overhaul video recording device in time, so as to record after video recording device
Monitoring video flow it is no longer problematic so that monitoring personnel is it can be seen that complete monitoring video flow.
It is since the first monitoring video flow is from video server Xiang Xiezhuan if there is flower screen, frame-skipping or phenomena such as blank screen
During server transport caused by packet loss, then monitoring personnel can overhaul video server in time and association turn server it
Between transmission link so that the packet loss for the monitoring video flow that the rear Xiang Xiezhuan server of video server is sent is lower than default threshold
Value, so that it can be seen that complete monitoring video flow after monitoring personnel.
In an alternative embodiment of the invention, association turns to include multiple communication links between server and video server；Association turns
Data can mutually be sent by any communication link in multiple communication links between server and video server.
In embodiments of the present invention, after the packet loss that association turns that server detects the first monitoring video flow, this method is also
It include: that association turns server and judges whether the packet loss is greater than default packet loss threshold value；If the packet loss is greater than default packet loss
Threshold value then sends communication link replacement notice to video server；Video server receives communication link replacement notice, multiple
A communication link of the selection in addition to currently used communication link, the communication link of selection is determined as using in communication link
In rear Xiang Xiezhuan server send monitoring video flow communication link.
In embodiments of the present invention, association turns between server and video server including that may include in multiple communication links
Multiple routers, any one or more routers can also may cause video to take by other equipment using transmission data simultaneously
The load that business device Xiang Xiezhuan server sends communication link used in the first monitoring video flow is higher, so as to cause the first monitoring
Packet loss of the video flowing in transmission process is higher.Therefore, it is sent to reduce the rear Xiang Xiezhuan server of video server
The packet loss of monitoring video flow can replace a communication link.
In an alternative embodiment of the invention, in order to reduce after monitoring video flow the packet loss in transmission process as much as possible
Rate, when selecting a communication link in addition to currently used communication link in multiple communication links, video server can
To obtain the load of each communication link in addition to currently used communication link in multiple communication links；Then more
Selection loads minimum communication link in the communication link in addition to currently used communication link in a communication link.
In an alternative embodiment of the invention, after the packet loss that association turns that server detects the first monitoring video flow, the party
Method further include: association turns server and judges whether the packet loss is greater than default packet loss threshold value, if the packet loss is greater than default lose
Packet rate threshold value then sends pause notice to video server；Video server receives pause notice, pause Xiang Xiezhuan server hair
Monitoring video flow is sent, and restores Xiang Xiezhuan server after preset duration and sends monitoring video flow.
It in embodiments of the present invention, may be currently to be taken in video if the packet loss is greater than default packet loss threshold value
The load that business device and association turn communication link between server is higher, therefore, even if to continue to use this logical for video server later
Letter chain road direction association turns server and sends monitoring video flow, and the packet loss for also resulting in monitoring video flow is higher, and then causes to monitor
Personnel can not view complete monitoring video flow later, and waste Internet resources.
Therefore, in order to save Internet resources and in order to enable complete monitor video can be viewed after monitoring personnel
Stream, video server can suspend Xiang Xiezhuan server and send monitoring video flow, after preset duration, such as the communication link
Load reduction and then Xiang Xiezhuan server send monitoring video flow, so as to reduce the packet loss of monitoring video flow, into
And monitoring personnel can be allowed to view complete monitoring video flow, to avoid waste Internet resources.
In an alternative embodiment of the invention, the first monitoring video flow includes multiple video data packets, in order to enable monitor
Member can view complete first monitoring video flow, after the packet loss that association turns that server detects the first monitoring video flow,
This method further include: association turns server and judges whether packet loss is greater than default packet loss threshold value；If packet loss is greater than default lose
Packet rate threshold value, it is determined that the mark of the first monitoring video flow lost target video data packet in transmission process takes to video
Business device sends retransmission request, and retransmission request carries the mark of target video data packet, and retransmission request is for requesting video server
According to the mark of target video data packet again transmission objectives video data packet；Video server receives retransmission request, according to mesh
The mark for marking video data packet obtains the target video data packet of internet protocol-based, and Xiang Xiezhuan server is sent based on interconnection
The target video data packet of fidonetFido；Association turns the target video data packet that server receives internet protocol-based, will be based on mutual
The target video data packet of networking protocol is converted to the target video data packet based on view networking protocol, sends to view networked terminals
Target video data packet based on view networking protocol；The target video data packet based on view networking protocol is received depending on networked terminals,
And when playing the second monitoring video flow, the target video data packet based on view networking protocol is played.In this way, monitor can be obtained
Member can view complete first monitoring video flow.
It should be noted that for simple description, therefore, it is stated as a series of action groups for embodiment of the method
It closes, but those skilled in the art should understand that, embodiment of that present invention are not limited by the describe sequence of actions, because according to
According to the embodiment of the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art also should
Know, the embodiments described in the specification are all preferred embodiments, and the related movement not necessarily present invention is implemented
Necessary to example.
The present invention also shows a kind of information processing system based on view networking, view networking including video server,
Association turns server and view networked terminals, and the video server and the association turn internet protocol-based communication link between server
It connecing, the association turns to communicate to connect between server and the view networked terminals based on view networking protocol, the system comprises:
The video server is used to turn the first monitoring video flow that server sends internet protocol-based to the association；
The association turns server for receiving first monitoring video flow, detects the packet loss of first monitoring video flow
First monitoring video flow is converted to the second monitoring video flow based on view networking protocol, to the view networked terminals by rate
Send second monitoring video flow and the packet loss；
It is described to be monitored depending on networked terminals for receiving second monitoring video flow and the packet loss, broadcasting described second
Video flowing shows the packet loss.
In an optional implementation, first monitoring video flow includes multiple video data packets；
The association turns server and is also used to judge whether the packet loss is greater than default packet loss threshold value；If the packet loss
Rate is greater than default packet loss threshold value, it is determined that the monitor video data packet that first monitoring video flow is lost in transmission process
Mark, Xiang Suoshu video server sends retransmission request, and the retransmission request carries the mark of the monitor video data packet,
The retransmission request is for requesting the video server to transmit the prison again according to the mark of the monitor video data packet
Control video data packet；
The video server is also used to receive the retransmission request, is obtained according to the mark of the monitor video data packet
The monitor video data packet of internet protocol-based turns the prison that server sends internet protocol-based to the association
Control video data packet；
The association turns the monitor video data packet that server is also used to receive internet protocol-based, will be based on interconnection
The monitor video data packet of fidonetFido is converted to the monitor video data packet based on view networking protocol, joins to the view
Network termination sends the monitor video data packet based on view networking protocol；
It is described to be also used to receive the monitor video data packet based on view networking protocol depending on networked terminals, and playing institute
When stating the second monitoring video flow, the monitor video data packet based on view networking protocol is played.
In an optional implementation, the association turns to include a plurality of communication between server and the video server
Link；
The association turns server and is also used to judge whether the packet loss is greater than default packet loss threshold value, if the packet loss
Rate is greater than default packet loss threshold value, then sends communication link replacement notice to the video server；
The video server is also used to receive the communication link replacement notice, selects in the multiple communication link
The communication link of selection is determined as the backward association being used for by a communication link in addition to currently used communication link
Turn the communication link that server sends monitoring video flow.
In an optional implementation, the video server is specifically used for: obtaining in the multiple communication link
Each communication link in addition to currently used communication link load；Removing in the multiple communication link is current
Selection loads minimum communication link in communication link other than the communication link used.
In an optional implementation, the association turns server, and to be also used to judge whether the packet loss is greater than default
Packet loss threshold value sends pause notice to the video server if the packet loss is greater than default packet loss threshold value；
The video server is also used to receive the pause notice, suspends to the association and turns server transmission monitor video
Stream, and restore to turn server transmission monitoring video flow to the association after preset duration.
In embodiments of the present invention, video server Xiang Xiezhuan server sends the first monitoring view of internet protocol-based
Frequency flows；Association turns server and receives the first monitoring video flow, and association turns the packet loss that server detects the first monitoring video flow, and association turns clothes
First monitoring video flow is converted to the second monitoring video flow based on view networking protocol by business device；It is whole to view networking that association turns server
End sends the second monitoring video flow and the packet loss；The second monitoring video flow and the packet loss are received depending on networked terminals, depending on networking
The second monitoring video flow of terminal plays, shows the packet loss.In this way, the monitoring video flow appearance flower in broadcasting shields, frame-skipping or black
When phenomena such as screen, monitoring personnel is assured that the original for phenomena such as flower screen, frame-skipping or blank screen occur according to the packet loss of display
Cause, and then failure is checked according to the reason in time, to avoid occurring flower screen, frame-skipping or blank screen when playing monitoring video flow later
Phenomena such as, so that it can be seen that complete monitoring video flow after monitoring personnel.
Wherein, if flower screen, frame-skipping or blank screen etc. occur during playing the second monitoring video flow in view networked terminals
Phenomena such as phenomenon, then monitoring personnel can know appearance flower screen, frame-skipping or blank screen by the packet loss of display is due to view
Caused by the first monitoring video flow itself that frequency recording arrangement is recorded is problematic, or since the first monitoring video flow is from view
Packet loss during frequency server Xiang Xiezhuan server transport and cause.
For example, if the packet loss is greater than or equal to default packet loss threshold value, it is determined that flower screen, frame-skipping or blank screen etc. occur
Phenomenon be due to the first monitoring video flow during from video server Xiang Xiezhuan server transport caused by packet loss.Such as
The fruit packet loss is less than default packet loss threshold value, it is determined that phenomena such as flower screen, frame-skipping or blank screen occur is since video record is set
Caused by the first monitoring video flow of standby acquisition itself is problematic.
If there is the first monitoring video flow sheet that phenomena such as flower screen, frame-skipping or blank screen is due to video recording device acquisition
Caused by body is problematic, then monitoring personnel can overhaul video recording device in time, so as to record after video recording device
Monitoring video flow it is no longer problematic so that monitoring personnel is it can be seen that complete monitoring video flow.
It is since the first monitoring video flow is from video server Xiang Xiezhuan if there is flower screen, frame-skipping or phenomena such as blank screen
During server transport caused by packet loss, then monitoring personnel can overhaul video server in time and association turn server it
Between transmission link so that the packet loss for the monitoring video flow that the rear Xiang Xiezhuan server of video server is sent is lower than default threshold
Value, so that it can be seen that complete monitoring video flow after monitoring personnel.
For system embodiments, 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 information processing method and system based on view networking provided by the present invention, detailed Jie has been carried out
It continues, used herein a specific example illustrates the principle and implementation of the invention, and the explanation of above embodiments is only
It is to be used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, according to this hair
Bright thought, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not manage
Solution is limitation of the present invention.
Claims (10)
1. a kind of information processing method based on view networking, which is characterized in that the view networking turns clothes including video server, association
Business device and view networked terminals, the video server and the association turn internet protocol-based between server and communicate to connect, institute
Association is stated to turn between server and the view networked terminals based on view networking protocol communication connection, which comprises
The video server turns the first monitoring video flow that server sends internet protocol-based to the association；
The association turns server and receives first monitoring video flow, the packet loss of first monitoring video flow is detected, by institute
It states the first monitoring video flow and is converted to the second monitoring video flow based on view networking protocol, to described in view networked terminals transmission
Second monitoring video flow and the packet loss；
The view networked terminals receive second monitoring video flow and the packet loss, play second monitoring video flow,
Show the packet loss.
2. the method according to claim 1, wherein first monitoring video flow includes multiple video datas
Packet；The method also includes:
The association turns server and judges whether the packet loss is greater than default packet loss threshold value；
If the packet loss is greater than default packet loss threshold value, it is determined that first monitoring video flow is lost in transmission process
Target video data packet mark, Xiang Suoshu video server sends retransmission request, and the retransmission request carries the target
The mark of video data packet, the retransmission request is for requesting the video server according to the mark of the target video data packet
The target video data packet is newly transmitted in weight sensing；
The video server receives the retransmission request, is obtained according to the mark of the target video data packet and is based on internet
The target video data packet of agreement turns the target video data that server sends internet protocol-based to the association
Packet；
The association turns the target video data packet that server receives internet protocol-based, by the institute of internet protocol-based
It states target video data packet and is converted to the target video data packet based on view networking protocol, sent to the view networked terminals
The target video data packet based on view networking protocol；
The view networked terminals receive the target video data packet based on view networking protocol, and are playing second monitoring
When video flowing, the target video data packet based on view networking protocol is played.
3. the method according to claim 1, wherein the association turns to wrap between server and the video server
Include multiple communication links；
After the packet loss of detection first monitoring video flow, further includes:
The association turns server and judges whether the packet loss is greater than default packet loss threshold value, presets if the packet loss is greater than
Packet loss threshold value then sends communication link replacement notice to the video server；
The video server receives the communication link replacement notice, and selection is except currently used in the multiple communication link
Communication link other than a communication link, the backward association that the communication link of selection is determined as being used for turns server hair
Send the communication link of monitoring video flow.
4. according to the method described in claim 3, it is characterized in that, described select to remove in the multiple communication link currently to make
A communication link other than communication link, comprising:
It is logical that the video server obtains each in addition to currently used communication link in the multiple communication link
Believe the load of link；
In the communication link in addition to currently used communication link in the multiple communication link, selection load is minimum
Communication link.
5. the method according to claim 1, wherein the method also includes:
The association turns server and judges whether the packet loss is greater than default packet loss threshold value, presets if the packet loss is greater than
Packet loss threshold value then sends pause notice to the video server；
The video server receives the pause notice, suspends to the association and turns server transmission monitoring video flow, and pre-
If restoring to turn server transmission monitoring video flow to the association after duration.
6. a kind of information processing system based on view networking, which is characterized in that the view networking turns clothes including video server, association
Business device and view networked terminals, the video server and the association turn internet protocol-based between server and communicate to connect, institute
Association is stated to turn to communicate to connect between server and the view networked terminals based on view networking protocol, the system comprises:
The video server is used to turn the first monitoring video flow that server sends internet protocol-based to the association；
The association turns server and is used to receive first monitoring video flow, detects the packet loss of first monitoring video flow,
First monitoring video flow is converted into the second monitoring video flow based on view networking protocol, is sent to the view networked terminals
Second monitoring video flow and the packet loss；
It is described to be used to receive second monitoring video flow and the packet loss depending on networked terminals, play second monitor video
Stream, shows the packet loss.
7. system according to claim 6, which is characterized in that first monitoring video flow includes multiple video datas
Packet；
The association turns server and is also used to judge whether the packet loss is greater than default packet loss threshold value；If the packet loss is big
In default packet loss threshold value, it is determined that the mark of the first monitoring video flow lost target video data packet in transmission process
Know, Xiang Suoshu video server sends retransmission request, and the retransmission request carries the mark of the target video data packet, described
Retransmission request is regarded for requesting the video server to transmit the target again according to the mark of the target video data packet
Frequency data packet；
The video server is also used to receive the retransmission request, is based on according to the acquisition of the mark of the target video data packet
The target video data packet of Internet protocol turns the target view that server sends internet protocol-based to the association
Frequency data packet；
The association turns the target video data packet that server is also used to receive internet protocol-based, will be based on internet protocol
The target video data packet of view is converted to the target video data packet based on view networking protocol, networks eventually to the view
End sends the target video data packet based on view networking protocol；
It is described to be also used to receive the target video data packet based on view networking protocol depending on networked terminals, and playing described the
When two monitoring video flows, the target video data packet based on view networking protocol is played.
8. system according to claim 6, which is characterized in that the association turns to wrap between server and the video server
Include multiple communication links；
The association turns server and is also used to judge whether the packet loss is greater than default packet loss threshold value, if the packet loss is big
In default packet loss threshold value, then communication link replacement notice is sent to the video server；
The video server is also used to receive the communication link replacement notice, and selection removes and works as in the multiple communication link
The backward association that the communication link of selection is determined as being used for is turned clothes by a communication link other than the preceding communication link used
Business device sends the communication link of monitoring video flow.
9. system according to claim 8, which is characterized in that the video server is specifically used for: obtaining the multiple
The load of each communication link in addition to currently used communication link in communication link；In the multiple communication link
In the communication link in addition to currently used communication link in selection load minimum communication link.
10. system according to claim 6, which is characterized in that the association turns server and is also used to judge the packet loss
Whether it is greater than default packet loss threshold value, if the packet loss is greater than default packet loss threshold value, is sent out to the video server
Pause is sent to notify；
The video server is also used to receive the pause notice, suspends to the association and turns server transmission monitoring video flow,
And restore to turn server transmission monitoring video flow to the association after preset duration.
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| CN201810388126.9A CN110418199B (en) | 2018-04-26 | 2018-04-26 | Information processing method and system based on video network |
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| CN201810388126.9A CN110418199B (en) | 2018-04-26 | 2018-04-26 | Information processing method and system based on video network |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114374855A (en) * | 2022-01-05 | 2022-04-19 | 烽火通信科技股份有限公司 | Live broadcast screen splash diagnosis method, device, equipment and readable storage medium |
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