CN108881785A - A kind of method and device for realizing conference backup function - Google Patents
A kind of method and device for realizing conference backup function Download PDFInfo
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- CN108881785A CN108881785A CN201710341580.4A CN201710341580A CN108881785A CN 108881785 A CN108881785 A CN 108881785A CN 201710341580 A CN201710341580 A CN 201710341580A CN 108881785 A CN108881785 A CN 108881785A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
- H04N7/155—Conference systems involving storage of or access to video conference sessions
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Abstract
The invention discloses a kind of method and devices for realizing conference backup function, are related to video conference communication field, the method includes：Mutually redundant the first network interface for accessing first network and the second network interface for accessing the second network are set on conference terminal；The conference terminal is during carrying out video conference using first network interface access first network, the state of first network described in real-time detection；If detecting, the first network is abnormal, and the conference terminal carries out network interface switching, and accesses the second network using second network interface, continues video conference.The embodiment of the present invention is not increasing meeting hardware device, does not increase network bandwidth, does not interrupt meeting, quick-recovery meeting fastly on the basis of conference image quality is not damaged seriously, the picture freeze time is no more than 1 second, guarantees the sound picture quality of meeting, and the cost of O&M guarantee is greatly reduced for user.
Description
Technical field
The present invention relates to video conference communication field, in particular to a kind of method and device for realizing conference backup function.
Background technique
Video conferencing system operates under various internet environments at present, and the complicated multiplicity of network environment is difficult to protect
There is not exception in card, and the exception includes that network line interrupts, and serious packet loss, existing Discarded Packets compensation technology can resist centainly
The packet loss of degree, cost are to sacrifice a degree of image quality.
The significance level rank of many meetings is higher, needs to carry out the adaptability or backup of environment, and the prior art is most of
In view of the backup of local side multipoint control unit (Multipoint Control Unit, MCU), such as the backup of entire MCU,
The basis of the backup of various veneers, the backup of terminal, these backups all requires at least two parts of entity hardware, network standby in equipment
It is also required on part while establishing multilink, it is desirable that while multiple sessions are opened, the waste of bandwidth is caused, is equivalent to and is changed with resource
Take the guarantee of meeting.
Nowadays save the cost has become the factor that numerous enterprises are most paid attention to, can even decision enterprise in the competing of fierceness
An important factor for surviving in striving considers that the sorrow of user is to improve the original intention of product.Do not increase equipment cost, does not increase net
How to realize that the backup of meeting becomes urgent problem to be solved under network bandwidth.
Summary of the invention
The embodiment of the present invention provides a kind of method and device for realizing conference backup function, is not increasing equipment cost, no
The backup of meeting is solved the problems, such as on the basis of increase network bandwidth.
A kind of method for realizing conference backup function provided according to embodiments of the present invention, including：
Mutually redundant the first network interface for accessing first network is set on conference terminal and for accessing the second net
Second network interface of network；
The conference terminal is during carrying out video conference using first network interface access first network, real-time detection institute
State the state of first network；
If detecting, the first network is abnormal, and the conference terminal carries out network interface switching, and utilizes second net
Mouth the second network of access, continues video conference.
Preferably, described to have for accessing the first network interface of first network and the second network interface for accessing the second network
Identical IP address.
Preferably, the state of first network described in the real-time detection includes：
The conference terminal is during carrying out video conference, the state of the first network interface described in real-time detection, if detecting institute
The state for stating the first network interface changes, it is determined that the network interface of the first network is abnormal.
Preferably, the state of first network described in the real-time detection includes：
The conference terminal counts the packet loss of Media Stream during carrying out video conference；
If the packet loss is greater than preset threshold, it is determined that the line anomalies of the first network.
Preferably, further include：
During conference backup, the conference terminal makes the picture of the video conference by carrying out link keep-alive with opposite end
Face keeps frozen state.
The storage medium provided according to embodiments of the present invention stores the side for realizing above-mentioned realization conference backup function
The program of method.
A kind of device for realizing conference backup function provided according to embodiments of the present invention, including：
The first network interface on conference terminal is set, for accessing first network；
The second network interface on conference terminal is set, for accessing the second network；
State detection module, for carrying out video council using first network interface access first network in the conference terminal
During view, the state of first network described in real-time detection；
Back-up processing module carries out network interface switching for when detecting the first network exception, and utilizes described the
Two network interfaces access the second network, continue video conference.
Preferably, first network interface and second network interface have identical IP address.
Preferably, the state detection module is during the conference terminal carries out video conference, the described in real-time detection
The state of one network interface, if detecting, the state of first network interface changes, it is determined that the network interface of the first network is abnormal.
Preferably, the state detection module counts losing for Media Stream during the conference terminal carries out video conference
Packet rate, if the packet loss is greater than preset threshold, it is determined that the line anomalies of the first network.
Preferably, further include：
Link keep-alive module, for by carrying out link keep-alive with opposite end, making the video conference during conference backup
Picture keep frozen state.
Technical solution provided in an embodiment of the present invention has the advantages that：
Compared with prior art, the embodiment of the present invention is not increasing meeting hardware device, does not increase network bandwidth, does not interrupt
Meeting does not damage fast quick-recovery meeting on the basis of conference image quality seriously, and the picture freeze time is no more than 1 second, guarantees meeting
The sound picture quality of view greatly reduces the cost of O&M guarantee for user.
Detailed description of the invention
Fig. 1 is the method flow diagram provided in an embodiment of the present invention for realizing conference backup function；
Fig. 2 is the implementation wiring schematic diagram of double network port backups provided in an embodiment of the present invention；
Fig. 3 is the backup flow chart for the exception-triggereds such as changing or interrupting due to network interface state；
Fig. 4 is the backup flow chart triggered due to occurring higher packet loss on network.
Specific embodiment
Below in conjunction with attached drawing to a preferred embodiment of the present invention will be described in detail, it should be understood that described below is excellent
Select embodiment only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Embodiment 1
Fig. 1 is the method flow diagram provided in an embodiment of the present invention for realizing meeting warm standby function, as shown in Figure 1, step
Including：
Step S101：It is arranged on conference terminal mutually redundant for accessing the first network interface of first network and for connecing
Enter the second network interface of the second network.
First network interface for accessing first network and the second network interface for accessing the second network have identical IP
Address guarantees to backup to another network when a network occurs abnormal.
Step S102：The conference terminal using first network interface access first network carry out video conference during,
The state of first network described in real-time detection.
The present embodiment detects the state of the first network by following two mode：
Mode 1：Network interface abnormality detection
The conference terminal is during carrying out video conference, the state of the first network interface described in real-time detection, if detecting institute
The state for stating the first network interface changes, such as network interface is broken down, it is determined that the network interface of the first network is abnormal.
Mode 2：Line anomalies detection
The conference terminal counts the packet loss of Media Stream during carrying out video conference, if the packet loss is greater than in advance
If threshold values, it is determined that the line anomalies of the first network, such as line interruption.
Step S103：If detecting, the first network is abnormal, and the conference terminal carries out network interface switching, and utilizes institute
It states the second network interface and accesses the second network, continue video conference.
Further, during conference backup, the conference terminal makes the video by carrying out link keep-alive with opposite end
The picture of meeting keeps frozen state.
The embodiment of the present invention increases a network interface in video conference terminal device, and the cost of a network interface chip is very low,
It can ignore in entire end product cost total price.As double net-port device with one, real-time detection network state, when checking network
When abnormal, such as service interruption or the packet loss more than certain threshold values, network port backup scheme is enabled, backup network interface is switched to,
Terminal keeps meeting picture freeze situation, and network interface switching to be backed up finishes, and restores media stream receiver again, and picture recovery is normal,
User is not felt by meeting and is interrupted the phenomenon that being called again in whole process, in the case where not increasing extras and extra bandwidth
Realize the warm back-up of meeting.
It will appreciated by the skilled person that implement the method for the above embodiments be can be with
Relevant hardware is instructed to complete by program, the program can store in computer-readable storage medium,
That is the present invention can also provide a kind of storage medium, storage processor executable program or instruction thereon, the program or
When instruction is executed by processor, at least realization above-mentioned steps S101 to step S103.Wherein, the storage medium can be
ROM/RAM, magnetic disk, USB flash disk, CD etc..
Embodiment 2
The embodiment of the invention also provides a kind of devices for realizing conference backup function, including：
The first network interface on conference terminal is set, for accessing first network；
The second network interface on conference terminal is set, for accessing the second network；
State detection module, for carrying out video council using first network interface access first network in the conference terminal
During view, the state of first network described in real-time detection specifically can change situation and/or Media Stream by detection network interface state
Packet loss situation, whether determining the state of first network normally, for example, detect first network interface state change, explanation
The network interface of the first network is abnormal, in another example the packet loss of the Media Stream of statistics is greater than preset threshold, illustrates first net
The line anomalies of network；
Back-up processing module carries out network interface switching for when detecting the first network exception, and utilizes described the
Two network interfaces access the second network, continue video conference；
Wherein, first network interface and second network interface have identical IP address, to guarantee handover network success.
It should be noted that guarantee user video meeting experience, the present embodiment further includes：
Link keep-alive module, for by carrying out link keep-alive with opposite end, making the video conference during conference backup
Picture keep frozen state.
Above-mentioned module can be realized by the processor of conference terminal.
Embodiment 3
The embodiment of the invention also provides a kind of device for realizing conference backup function, including memory and processor, institutes
Processor is stated when executing the program or instruction of the memory storage, realizes following steps：
Video conference, and first network described in real-time detection are carried out using the first network interface access first network of conference terminal
State；
If detecting, the first network is abnormal, and the conference terminal carries out network interface switching, and whole using the meeting
Second network interface at end accesses the second network, continues video conference.
Further, the processor can also realize following steps：
During conference backup, by carrying out link keep-alive with opposite end, the picture of the video conference is made to keep freezing shape
State.
Embodiment 4
Fig. 2 is the implementation wiring schematic diagram of double network port backups provided in an embodiment of the present invention, as shown in Fig. 2, double network interfaces
The network channel of different network operators is accessed simultaneously, IP address distribution is consistent, when guaranteeing that certain carrier network occurs abnormal,
The network of another operator is backuped to, whenever can be mutually backups, as long as currently ensureing that any network is normal
Ensure being normally carried out for meeting.That is, be equipped with double network interfaces on conference terminal, double network interfaces can access different interchanger or
The network of different operators detects that any network line is abnormal or interrupts, and business can backup to another network interface, realization pair
A kind of straightforward procedure of conference backup.To realize this method, the independent double network interfaces of the hardware aspect design of the present embodiment, such as Fig. 2 institute
Show, is respectively designated as Lan1 and Lan2.Software aspects have drive module, media module, main control module.
Drive module：It is responsible for the state of detection network interface, is reported to main control module, receive the signaling of main control module, controls net
The state of mouth.
Media module：The network interface information reported according to main control module carries out the biography of Media Stream using IP address and port numbers
Defeated, which is also responsible for the packet loss of statistics media, sends out message informing main control module.
Main control module：It is responsible for receiving the network interface status information that drive module reports, preferably primary network interface, according to network interface state
Variation judges whether enabling network port backup, issues backup network interface to drive module, the information reporting major network mouth is also responsible in master control
To media module, while the packet loss that media module issues is received, if packet loss height overcutting value, enables network port backup.
The network interface state that the drive module of the present embodiment will test is sent to main control module, by main control module according to receiving
Network interface state, determine whether network interface state abnormal.The drive module and main control module of the present embodiment realize shape in embodiment 2
The network interface abnormal detection function of state detection module and the function of back-up processing module.
The Media Stream packet loss of statistics is sent to main control module by the media module of the present embodiment, by main control module according to receipts
The Media Stream packet loss arrived determines whether network line is abnormal.The drive module and main control module of the present embodiment realize implementation
The function of the circuit abnormal detection function of state detection module and back-up processing module in example 2.
Embodiment 5
Fig. 3 is the backup flow chart for the exception-triggereds such as changing or interrupting due to network interface state, as shown in figure 3, working as network
When abnormal state, for example, network interface operating mode modification or network interface delay (down) fall, trigger the process of network port backup.Process relates to
And comprising modules A, module B, module C, module D, wherein modules A BC belongs to the different software module in middle terminal device, module D
Represent the opposite end for establishing session, it may be possible to which MCU is also likely to be other terminal device, and the agreement of session connection includes H323, SIP
Or the session of the foundation such as other similar TIP proprietary protocol.
Modules A is drive part (Kernel), is responsible for the state and setting network interface of detection network interface, including opening for setting network interface
With or disabling, address style, the rate of network interface and dual-mode etc., and network interface state information report to main control module.
Module B belongs to the core of terminal, is main control module (MC), is responsible for receiving the network ginseng of configuration distributing on UI
Number, and parameter is handed down to driving, it is responsible to define the strategy of network port backup, such as two network interfaces access cable, network interface shape simultaneously
State is available, and master control then specifies Lan1 as major network mouth, and Lan2 is used as standby network interface, and the IP address setting of Lan1 and Lan2 are identical,
Active and standby network interface parameter be handed down to driving and query driven currently active and standby network interface state (network interface virtual condition not necessarily with issue
Parameter is consistent, if operating mode is set as being subject to the result interacted with interchanger automatically), driving reports interactive completion
Network interface state, master control the network interface state reporting received shown to UI and meanwhile be transmitted to medium process module (i.e. media module,
MP)。
Module C belongs to medium process module (MP), is used for the transmission of Media Stream (RTP), once terminal device is built with opposite end
Vertical session connection, medium process module is responsible for carrying out the transmission of Media Stream by the link of RTP with opposite end, and establishes with opposite end
The link keep-alive of TCP signaling and UDP Media Stream.
It is abnormal if there is major network mouth in meeting, for example operating mode can not interact or network interface down falls, and drives mould
Block (Kernel) can detect whether standby network interface can be used, if it is available, then active and standby network state is reported to master control, main control module
(MC) switching major network mouth (Lan1) is arrived standby network interface (Lan2), and hair message informing driving needs major network mouth to be switched to standby network interface, standby
After network interface (Lan2) is used as work at present network interface, drive module to complete network interface switching, in currently used network interface end-state
Master control is offered, master control gives medium process module (MP) network interface state information report again.Due to during backup, MP module
There is link keep-alive with opposite end, therefore meeting will not be interrupted, only meeting picture keeps frozen state, wait receive new network interface state
After update message, MP restores the reception of Media Stream (RTP), and the picture sound of meeting restores normal, and entire backup procedure time-consuming is not
More than 1s, the meeting warm back-up of quick unaware is realized.
Embodiment 6
Fig. 4 is the backup flow chart that triggers due to occurring higher packet loss on network, specifically, when on network by
In network line exception, there is higher packet loss, i.e. packet loss is more than certain threshold values, such as packet loss reaches 50%, and
When can not restore well by existing Discarded Packets compensation technology (i.e. anti-dropout technology) or restore image and sound quality, in order to
It ensures higher-quality audio-video, reaches this threshold values, then trigger network port backup and restore to carry out meeting that image does not damage
Process.The process is similar to Fig. 3, and difference is the condition of triggering and the sender of message, and medium process module (MP) is responsible for matchmaker
The transmitting-receiving of body stream, is also responsible for the packet loss of statistics Media Stream, and periodically packet loss is reported to main control module (MC), and master control is received
It is greater than 50% to packet loss, illustrating this route, there are failures, then enable network port backup process, and major network mouth (Lan1) route is standby
Part is to for network interface (Lan2) route, the same Fig. 3 of network port backup flow processing.
After backup, Lan2 works as major network mouth, and at this moment Lan1 restores normal, can also serve as the backup net of Lan2
Mouthful, once exception occurs in Lan2, can also backup on Lan1 mouth, Lan1 and Lan2 are mutually backups.
In conclusion the embodiment of the present invention has the following technical effects：
The embodiment of the present invention occurs interrupting or in the case where exception in video conference network, does not increase conference facility, no
Increase extra bandwidth, do not interrupt meeting, can on quick backup to other network line channel, realize it is simple, quickly have
The conference backup of effect.
Although describing the invention in detail above, but the invention is not restricted to this, those skilled in the art of the present technique
It can be carry out various modifications with principle according to the present invention.Therefore, all to be modified according to made by the principle of the invention, all it should be understood as
Fall into protection scope of the present invention.
Claims (10)
1. a kind of method for realizing conference backup function, including：
It is arranged on conference terminal mutually redundant for accessing the first network interface of first network and for accessing the second network
Second network interface；
The conference terminal is during carrying out video conference using first network interface access first network, the described in real-time detection
The state of one network；
If detecting, the first network is abnormal, and the conference terminal carries out network interface switching, and is connect using second network interface
Enter the second network, continues video conference.
2. according to the method described in claim 1, it is described for access first network the first network interface and for access the second net
Second network interface of network has identical IP address.
3. according to the method described in claim 1, the state of first network described in the real-time detection includes：
The conference terminal is during carrying out video conference, the state of the first network interface described in real-time detection, if detecting described
The state of one network interface changes, it is determined that the network interface of the first network is abnormal.
4. according to the method described in claim 1, the state of first network described in the real-time detection includes：
The conference terminal counts the packet loss of Media Stream during carrying out video conference；
If the packet loss is greater than preset threshold, it is determined that the line anomalies of the first network.
5. method according to any of claims 1-4 further includes：
During conference backup, the conference terminal protects the picture of the video conference by carrying out link keep-alive with opposite end
Hold frozen state.
6. a kind of device for realizing conference backup function, including：
The first network interface on conference terminal is set, for accessing first network；
The second network interface on conference terminal is set, for accessing the second network；
State detection module, for carrying out the video conference phase using first network interface access first network in the conference terminal
Between, the state of first network described in real-time detection；
Back-up processing module for when detecting the first network exception, carrying out network interface switching, and utilizes second net
Mouth the second network of access, continues video conference.
7. device according to claim 6, first network interface and second network interface have identical IP address.
8. device according to claim 6, the state detection module during the conference terminal carries out video conference,
The state of first network interface described in real-time detection, if detecting, the state of first network interface changes, it is determined that the first network
Network interface it is abnormal.
9. device according to claim 6, the state detection module during the conference terminal carries out video conference,
The packet loss of Media Stream is counted, if the packet loss is greater than preset threshold, it is determined that the line anomalies of the first network.
10. further including according to device described in claim 6-9 any one：
Link keep-alive module, for by carrying out link keep-alive with opposite end, making the picture of the video conference during conference backup
Face keeps frozen state.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710341580.4A CN108881785A (en) | 2017-05-16 | 2017-05-16 | A kind of method and device for realizing conference backup function |
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| CN201710341580.4A CN108881785A (en) | 2017-05-16 | 2017-05-16 | A kind of method and device for realizing conference backup function |
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| CN109561274A (en) * | 2018-11-27 | 2019-04-02 | 平安科技（深圳）有限公司 | Meeting Activiation method and system, conference terminal and computer readable storage medium |
| US11611614B2 (en) | 2020-10-22 | 2023-03-21 | Samsung Sds Co., Ltd. | Method and apparatus for controlling peer to peer connection |
| CN115914508A (en) * | 2022-10-31 | 2023-04-04 | 贵州电网有限责任公司 | Automatic signal detection switching device and method applied to video terminal |
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