CN108718398A - Code stream transmission method, device and the conference facility of video conferencing system - Google Patents

Code stream transmission method, device and the conference facility of video conferencing system Download PDF

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Publication number
CN108718398A
CN108718398A CN201810516359.2A CN201810516359A CN108718398A CN 108718398 A CN108718398 A CN 108718398A CN 201810516359 A CN201810516359 A CN 201810516359A CN 108718398 A CN108718398 A CN 108718398A
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CN
China
Prior art keywords
network interface
interface card
bit stream
driver
transmitted
Prior art date
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Pending
Application number
CN201810516359.2A
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Chinese (zh)
Inventor
曹克雨
罗东礼
高勇
范军爽
房滔
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Suzhou Keda Technology Co Ltd
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Suzhou Keda Technology Co Ltd
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Application filed by Suzhou Keda Technology Co Ltd filed Critical Suzhou Keda Technology Co Ltd
Priority to CN201810516359.2A priority Critical patent/CN108718398A/en
Publication of CN108718398A publication Critical patent/CN108718398A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/14Systems for two-way working
    • H04N7/15Conference systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/236Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/85Assembly of content; Generation of multimedia applications
    • H04N21/854Content authoring
    • H04N21/8547Content authoring involving timestamps for synchronizing content

Abstract

The invention discloses a kind of code stream transmission method of video conferencing system, device and conference facility, wherein in the server-side configuration driven program of video conferencing system, driver includes for managing and driving multiple network interface cards, this method:Driver receives bit stream data packet to be transmitted in video conferencing system;Driver traverses the multiple network interface card, determines the use state of each network interface card;Driver selects one of network interface card according to the use state of each network interface card;Bit stream data packet to be transmitted is sent to the network interface card selected by driver.Server-side configuration driven program of the present invention in video conferencing system, and avoid the problem of more network interface cards use process in the prior art, using driver more network interface card technologies can be applied in video conferencing system, driver selects a network interface card for sending bit stream data packet to be transmitted according to the use state of each network interface card during video conference, can avoid influence of some network interface card failure to video conference.

Description

Code stream transmission method, device and the conference facility of video conferencing system
Technical field
The present invention relates to video conferencing technology fields, and in particular to a kind of code stream transmission method of video conferencing system, dress It sets and conference facility.
Background technology
In recent years, under the promotion of Internet rapid developments, people are to safe efficient, belt-tightening video conference System is increasingly paid close attention to.Video conferencing system links up the conference terminal in two or more places by network, makes to be in different The member on ground can discuss with regard to same subject under discussion, can not only hear the sound of spokesman between each other but also can also be seen that The image and background of spokesman, while the information such as data, word, chart in relation to subject under discussion can also be exchanged.
In video conferencing system, generally code stream is forwarded by server, particular by being arranged in server Single network interface card realizes code stream forwarding.And in the technical solution, a network interface card is only set in the server, in holding for video conference In the process, network interface card due to certain fortuitous events it is possible that damaged, the meeting of holding for the rear video meeting that is damaged in network interface card By serious influence.
Currently, more network card data transmission technologys are commonly used in distributed system, and the application of this more network interface cards is typically For the pressure of sharing data transmission.When in the data transmission, some network interface card breaks down, and can influence the secondary data transmission.By In distributed system there is stronger serious forgiveness, this influence to be not enough to cause the exception of whole system.However, in video conference In, if there is network interface card exception, either failure damage can then cause the interruption or stopping of video conference, therefore, be distributed at present More network interface card technologies used by formula system can not be directly applied in video conferencing system.
Invention content
In view of this, an embodiment of the present invention provides a kind of code stream transmission method of video conferencing system, device and meetings Equipment, to solve the problem of that net card failure damage is easy to cause meeting interruption or stopping in the prior art.
According in a first aspect, an embodiment of the present invention provides a kind of code stream transmission methods of video conferencing system, described The server-side of video conferencing system configures a driver, and the driver is for managing and driving multiple network interface cards, wherein institute Stating code stream transmission method includes:
The driver receives bit stream data packet to be transmitted in the video conferencing system;
The driver traverses the multiple network interface card, determines the use state of each network interface card;
The driver selects one of network interface card according to the use state of each network interface card;
The bit stream data packet to be transmitted is sent to the network interface card selected by the driver.
The code stream transmission method of video conferencing system provided by the invention, wherein match in the server-side of video conferencing system Driver is set, and avoids the problem of more network interface cards use process in the prior art;That is, the present invention is made using driver Much network interface card technology can be applied in video conferencing system, and driver makes according to each network interface card during video conference It selects a network interface card for sending bit stream data packet to be transmitted with state, some network interface card can be avoided to break down to video conference Influence, ensure the stability of video conference.
With reference to first aspect, in first aspect first embodiment, the physical address of the multiple network interface card is configured to Same physical address.
The physical address of multiple network interface cards is configured to same by the code stream transmission method of video conferencing system provided by the invention Physical address can be shielded polylith network interface card by the driver configured in server end, for ICP/IP protocol layer, Only exist a binding network interface card.The load balancing that network flow in video conference can be realized using the driver, by network Request is reoriented on different network interface cards, and the performance of universe network is improved with this.
First embodiment with reference to first aspect, in first aspect second embodiment, the driver is according to institute The use state for stating each network interface card selects the one of network interface card to include:
Judge to whether there is in the multiple network interface card the network interface card of idle state, and/or, judge in the multiple network interface card whether There are the network interface cards of failure, and/or, obtain the load information of each network interface card;
Selection one is in idle condition either non-faulting or loads small network interface card, as the transmission code stream to be transmitted The network interface card of data packet.
The code stream transmission method of video conferencing system provided by the invention, it is whether idle by each network interface card, if to exist The load information of failure and network interface card realizes the determination of the network interface card for sending bit stream data packet to be transmitted, on the one hand can be real On the other hand the load balancing of existing network interface card can avoid the transmission that bit stream data packet is carried out using fault network card.
Second embodiment with reference to first aspect, it is described to obtain each net in first aspect third embodiment The load information of card includes:
Count the quantity of bit stream data packet to be transmitted described in the corresponding transmission queue of each network interface card, the transmission team Row are for storing the bit stream data packet to be transmitted;
Using the quantity of the bit stream data packet to be transmitted, the load information of the network interface card is calculated.
The code stream transmission method of video conference provided by the invention, using to be transmitted in the corresponding transmission queue of each network interface card The quantity of bit stream data packet calculates the load information of network interface card, load information bit stream data packet to be transmitted corresponding with each network interface card Quantity it is related, the quantity of bit stream data packet to be transmitted can be handled based on network interface card in real time, network interface card Resource allocation and smoothing is carried out, to keep away Exempt from the waste of network interface card resource.
Third embodiment with reference to first aspect, it is described using described to be transmitted in the 4th embodiment of first aspect The quantity of bit stream data packet calculates the load information of the network interface card, including:
The initial value of the load information is set, and the initial value is the quantity of the bit stream data packet to be transmitted;
According to the processing state of the network interface card, the load information of the network interface card is updated.
The code stream transmission method of video conference provided by the invention, when specifically calculating the load information of each network interface card, with The quantity of current bit stream data packet to be transmitted is initial value, when the newly-increased bit stream data to be transmitted in the corresponding transmission queue of network interface card Bao Shi, it is corresponding to add 1 using ability information, it is corresponding to be believed using ability when network interface card completes a bit stream data packet to be transmitted Breath subtracts 1, that is, and the present invention treats the processing state of transmission code stream data packet according to network interface card in real time, and real-time update uses ability information, To ensure that video conferencing system can know the use ability information of current all network interface cards in real time, the reasonable tune of network interface card resource is realized Match.
Second embodiment with reference to first aspect, it is described to judge in multiple network interface cards in the 5th embodiment of first aspect Include with the presence or absence of failure network interface card:
With the first prefixed time interval detect each network interface card whether failure;
When there are failure network interface card, the binding of the driver and the failure network interface card is released.
The code stream transmission method of video conferencing system provided by the invention, by being spaced the first preset time to all network interface cards Whether exception is detected, and can know the working condition of each network interface card in time, when some network interface card occurs abnormal, is rationally adjusted The transmission that bit stream data packet is carried out with other network interface cards can avoid the transmission that bit stream data packet is carried out using abnormal network interface card, in turn Influence video conference holds and experiences performance.
5th embodiment with reference to first aspect, it is described with the first preset time in first aspect sixth embodiment Whether detection each network interface card in interval is abnormal, including:
Detection packet is sent to each network interface card with first preset time, is carried in the detection packet described in corresponding to The label of network interface card;
In the second preset time, receive the response bag of the network interface card feedback;
Extract the label of network interface card described in the response bag;
Using the label, the abnormal network interface card is determined.
According to second aspect, the present invention also provides a kind of bit stream devices of video conferencing system, are passed in the code stream A driver is configured on defeated device, the driver is for managing and driving multiple network interface cards, wherein the bit stream dress Set including:
Receiving module, for receiving bit stream data packet to be transmitted in the video conferencing system;
Determining module determines the use state of each network interface card for traversing the multiple network interface card;
Selecting module, for selecting one of network interface card according to the use state of each network interface card;
Sending module, for the bit stream data packet to be transmitted to be sent to the network interface card selected.
The bit stream device of video conferencing system provided by the invention, wherein configure one on the bit stream device Driver for managing and driving multiple network interface cards, and avoids realizing the management and driving of more network interface cards using distributed system; That is, the present invention makes more network interface card technologies can be applied in video conferencing system using driver, during video conference Driver selects a network interface card for sending bit stream data packet to be transmitted according to the use state of each network interface card, can avoid certain The influence that a network interface card breaks down to video conference, to ensure the stability of video conference.
According to the third aspect, an embodiment of the present invention provides a kind of conference facilities, including:Memory and processor, it is described Connection is communicated between memory and the processor, computer instruction is stored in the memory, and the processor is logical It crosses and executes the computer instruction, to execute regarding described in any one embodiment of first aspect or first aspect The code stream transmission method of frequency conference system.
It is described computer-readable an embodiment of the present invention provides a kind of computer readable storage medium according to fourth aspect Storage medium stores computer instruction, and the computer instruction is for making the computer execute first aspect or first aspect Any one embodiment described in video conferencing system code stream transmission method.
Description of the drawings
The features and advantages of the present invention can be more clearly understood by reference to attached drawing, attached drawing is schematically without that should manage Solution is carries out any restrictions to the present invention, in the accompanying drawings:
Fig. 1 shows a method specifically illustrated of the code stream transmission method of video conferencing system in the embodiment of the present invention Flow chart;
Fig. 2 shows another sides specifically illustrated of the code stream transmission method of video conferencing system in the embodiment of the present invention Method flow chart;
Fig. 3 shows another side specifically illustrated of the code stream transmission method of video conferencing system in the embodiment of the present invention Method flow chart;
Fig. 4 shows a structure specifically illustrated of the bit stream device of video conferencing system in the embodiment of the present invention Figure;
Fig. 5 shows a structure specifically illustrated of the bit stream device of video conferencing system in the embodiment of the present invention Figure;
Fig. 6 shows a structure chart specifically illustrated of conference facility in the embodiment of the present invention.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those skilled in the art are not having There is the every other embodiment obtained under the premise of making creative work, shall fall within the protection scope of the present invention.
At least two network interface cards are arranged in conference facility and carry out code stream number for code stream transmission method provided in an embodiment of the present invention A driver is configured according to the transmission of packet, and by the server-side in video conferencing system, for managing and driving multiple network interface cards. Wherein, during bit stream, the use state of each network interface card is determined by driver, and select according to use state One network interface card is used for the transmission of bit stream data packet.The present invention and is avoided in the server-side configuration driven program of video conferencing system The management and driving of more network interface cards are realized using distributed system so that more network interface card technologies can be applied in video conferencing system, Driver selects a network interface card for sending code stream to be transmitted according to the use state of each network interface card during video conference Data packet can avoid influence of some network interface card failure to video conference.
An embodiment of the present invention provides a kind of code stream transmission methods of video conferencing system, in the service of video conferencing system One driver of end configuration, the driver is for managing and driving multiple network interface cards, wherein as shown in Figure 1, the bit stream Method includes:
S11, driver receive bit stream data packet to be transmitted in video conferencing system.
During video conference, bit stream data packet to be transmitted is sent to the service of video conference by each conference terminal in real time End, the driver of server-side receive the bit stream data packet to be transmitted that each conference terminal is sent, and by bit stream data to be transmitted Packet is sent to corresponding conference terminal.
S12, driver traverse multiple network interface cards, determine the use state of each network interface card.
Wherein, at least two network interface cards are set in the server-side of video conferencing system, referring now to only with a network interface card and When the network interface card can not work because of certain reason, it is unaffected that the present embodiment can ensure that video conference is held.Driver is logical Cross the use state for traversing multiple network interface cards, wherein use state can be whether network interface card idle, network interface card whether failure, network interface card it is negative Carrying capacity etc..For driver by obtaining the use state of network interface card, the selection for follow-up network interface card provides condition.
S13, driver select one of network interface card according to the use state of each network interface card.
Wherein, network interface card use state it can be shown that the network interface card transmission code stream ability.Driver is according to each net The use state of card determines that a network interface card is used for the transmission of subsequent bit stream data packet from multiple network interface cards.
Bit stream data packet to be transmitted is sent to the network interface card selected by S14, driver.
Driver is sent to the net after determining a network interface card, by accessed bit stream data packet to be transmitted Card, corresponding conference terminal is sent to using the network interface card by bit stream data packet to be transmitted.
The code stream transmission method of video conferencing system provided in an embodiment of the present invention, wherein in the clothes of video conferencing system Business end configuration driven program for managing and driving multiple network interface cards, and avoids existing during more network interface card uses in the prior art The problem of;That is, the present invention makes more network interface card technologies can be applied in video conferencing system using driver, in video conference Driver selects a network interface card for sending bit stream data packet to be transmitted according to the use state of each network interface card in the process, can The influence broken down to video conference by some network interface card is avoided, ensures the stability of video conference.
The embodiment of the present invention additionally provides a kind of code stream transmission method of video conference, as shown in Fig. 2, this method includes:
S21, driver receive bit stream data packet to be transmitted in video conferencing system.It refers to and implements shown in Fig. 1 The S11 of example, details are not described herein.
S22, driver traverse multiple network interface cards, determine the use state of each network interface card.
Wherein, the physical address of multiple network interface cards is all configured to same physical address in server-side, i.e., multiple network interface cards are externally only Embody a network interface card.From the perspective of software, more network card bindings actually only need to provide an additional driver , polylith network interface card can be shielded by the Microsoft Loopback Adapter driver, one is only existed for ICP/IP protocol layer and is tied up Network interface card is determined, without changing the service logic and communication protocol rule of opposite end, it is only necessary to locally increase network interface card and install corresponding Driver is smaller to the change of entire conference system.The load balancing that network flow is realized in driver, by net Network request is reoriented on different network interface cards, and the performance of universe network is improved with this.
In addition, in the server-side of video conferencing system, driver is by traversing all network interface cards, you can knows each network interface card Use state.
S23, driver select one of network interface card according to the use state of each network interface card.
Wherein, the use state of network interface card includes whether network interface card is in idle condition, and whether there is failure network interface card in network interface card, with And the load information of each network interface card.Driver can be according to any one of use state in above-mentioned 3 or arbitrary two kinds of group It closes or three kinds above-mentioned (for example, first judging whether failure network interface card, is then judged whether in all non-faulting network interface cards Idle network interface card;If all network interface cards are all busy network interface cards, a network interface card is determined by comparing the load information of each network interface card), Carry out the selection of network interface card.
Specifically, it may be used and one of network interface card selected according to the use state of network interface card such as under type:
1) driver is by judging the network interface card in all network interface cards with the presence or absence of idle state, when there are idle states When network interface card, using the network interface card as the network interface card for transmitting the bit stream data packet to be transmitted;
2) driver whether there is failure network interface card by judging in all network interface cards, when there are failure network interface card, select non- Failure network interface card is as the network interface card for transmitting bit stream data packet to be transmitted;
3) driver is selected by the load information of each network interface card of acquisition and loads small network interface card as transmission code to be transmitted The network interface card of stream packets.
Wherein, driver obtains the load information of each network interface card, including:
S231 counts the quantity of bit stream data packet to be transmitted in the corresponding transmission queue of each network interface card.
Wherein, each network interface card corresponds to a transmission queue, and the transmission queue is for storing bit stream data packet to be transmitted.Driving Program counts the quantity of bit stream data packet to be transmitted in the corresponding transmission queue of each network interface card, you can knows that the network interface card currently needs The quantity of the bit stream data packet of transmission.
S232 calculates the load information of network interface card using the quantity of bit stream data packet to be transmitted.
Driver calculates the network interface card using the quantity of the corresponding bit stream data packet to be transmitted of each network interface card got Load information.Following method specifically may be used to calculate:
(1) initial value of load information is set, wherein initial value is the quantity of bit stream data packet to be transmitted.Driver Using the quantity of bit stream data packet to be transmitted in the corresponding transmission queue of each network interface card counted, the initial of load information is set Value.For example, network interface card A, transmitting in queue has m bit stream data packets to be transmitted, and the initial value of corresponding load information is m;Net Block B, transmitting in queue has n bit stream data packets to be transmitted, and the initial value of corresponding load information is n;Network interface card C transmits team There are p bit stream data packets to be transmitted, the initial value of corresponding load information is p in row.
(2) according to the processing state of network interface card, the load information of network interface card is updated.Wherein, when in the corresponding transmission queue of network interface card When increasing bit stream data packet to be transmitted newly, corresponding load information adds 1, right when network interface card completes a bit stream data packet to be transmitted The load information answered subtracts 1.
Small network interface card is loaded as the network interface card for transmitting bit stream data packet to be transmitted in addition, selecting, and is included the following steps:
1) load information of more each network interface card.
The load information of driver more each network interface card successively, can be suitable according to size to the load information of each network interface card Sequence is ranked up, you can intuitively learns that each network interface card currently needs the quantity of the bit stream data packet to be transmitted sent.
2) network interface card with minimum load information is determined.
Driver selects the network interface card of load information minimum from all network interface cards, using the network interface card as the net determined Card, to carry out the transmission of follow-up bit stream data packet to be transmitted using the network interface card.
Bit stream data packet to be transmitted is sent to the network interface card selected by S24, driver.It refers to real shown in Fig. 1 The S14 of example is applied, details are not described herein.
In some optional embodiments of the present embodiment, each network interface card can be set and corresponded to when video conference starts Load information initial value be 0, when in the corresponding transmission queue of network interface card often increase newly a bit stream data packet to be transmitted when, correspondence Load information add 1;When network interface card often sends a bit stream data packet to be transmitted, corresponding load information subtracts 1.
It is whether idle by each network interface card in the present embodiment compared with embodiment illustrated in fig. 1, if there are failures, and The load information of network interface card realizes the determination of the network interface card for sending bit stream data packet to be transmitted, on the one hand can realize network interface card On the other hand load balancing can avoid the transmission that bit stream data packet is carried out using fault network card.This method all network interface cards all In busy state, when determining a network interface card, it is only necessary to which the size of the load information of more each network interface card can improve code The transmission rate of stream packets avoids the delay of bit stream data packet.
The embodiment of the present invention additionally provides a kind of code stream transmission method of video conferencing system, as shown in figure 3, this method packet It includes:
S31, driver receive bit stream data packet to be transmitted in video conferencing system.It refers to and implements shown in Fig. 2 The S21 of example, details are not described herein.
S32, driver traverse multiple network interface cards, determine the use state of each network interface card.It refers to and implements shown in Fig. 2 The S22 of example, details are not described herein.
S33, driver select one of network interface card according to the use state of each network interface card.
Wherein, described to judge multiple network interface cards when the step includes judging to whether there is failure network interface card in multiple network interface cards In with the presence or absence of failure network interface card include:
S331, with the first prefixed time interval detect network interface card list in all network interface cards whether failure.
Wherein, the network interface card in network interface card list is corresponded with label, i.e., each label is for uniquely determining a network interface card.It drives Dynamic program with the first prefixed time interval detect network interface card list in all network interface cards whether failure.When detecting net card failure, Then the network interface card cannot be used for the transmission of subsequent data to be transmitted packet, need to release the binding of itself and driver.Specific packet Include following steps:
1) detection packet is sent to all network interface cards with the first preset time.
In the present embodiment, driver sends detection packet every the first preset time, to all network interface cards.Wherein, each to visit Survey the label that the network interface card for receiving the detection packet is carried in packet.Optionally, driver is sent every 5s to 10s to all network interface cards One detection packet starts an overtime timer, for judging whether each network interface card is right within the corresponding time after process of giving out a contract for a project Detection packet responds, so as to judge whether network interface card damages.
2) in the second preset time, receive the response bag of network interface card feedback.
When network interface card is normal, network interface card can feed back a response bag, in the response after terminating detection packet to driver The label of corresponding network interface card is carried in packet.When net card failure, network interface card cannot feedback response packet.That is, driver passes through The response bag received in the second preset time can be judged to whether there is failure network interface card.For example, can be by comparing hair The quantity of the detection packet and the response bag received that send, you can judge the quantity of failure network interface card.
3) label of network interface card in response bag is extracted.
The label that driver passes through network interface card in each response bag of extraction, you can know normal network interface card.
4) label is utilized, determines failure network interface card.
The label for the network interface card that driver extracts by comparing and all labels in network interface card list, are capable of determining that event Hinder network interface card.
S332 releases the binding of driver and failure network interface card when there are failure network interface card.
When driver is determined there are when failure network interface card, that is, to release the binding with the failure network interface card.
Bit stream data packet to be transmitted is sent to the network interface card selected by S34, driver.It refers to real shown in Fig. 2 The S24 of example is applied, details are not described herein.
Compared with embodiment illustrated in fig. 2, the present embodiment is by being spaced the first preset time to all network interface cards with the presence or absence of event Barrier is detected, and can know the working condition of each network interface card in time, when some network interface card breaks down, rational allocation other Network interface card carries out the transmission of bit stream data packet, can avoid the transmission that bit stream data packet is carried out using abnormal network interface card, and then influence to regard Performance is held and is experienced in frequency meeting.
One concrete application example of the code stream transmission method as video conferencing system of the present invention, including:
Step 1:In video conferencing system, the physical address of all network interface cards is all configured to one by server, then It is unified to give network interface card message to Bond drivings (driver) management.In the data forwarding process of video conference, server exists These ports of meeting poll send the data to Bond drivings after receiving bit stream data packet, and video council is reported to by Bond drivings Conference system, you can get the information of all network interface cards, and all network interface cards reported are set to the free time in video conferencing system State, and the use ability information (load information) of network interface card is set to 0.Bond drivings are in the forwarding request for receiving bit stream data packet Afterwards, all network interface cards can be traversed, suitable network interface card is selected according to the state of network interface card.Detailed process is:If it was found that certain block network interface card is Idle state then preferentially uses the network interface card to carry out the forwarding of data, the network interface card is then set to busy state and by the network interface card Use ability information add one, can be with the use ability information of real-time update network interface card by this method.If all network interface cards are all Busy state, then needing the use ability information of all network interface cards of comparison, then selection uses the network interface card of ability information minimum The forwarding of bit stream data packet is carried out, and updates the use ability information of the network interface card.After receiving data forwarding request next time, weight Multiple above-mentioned step, flexibly selection network interface card is forwarded the burden for being effectively reduced network interface card in this way, improves handling up for system Amount.
Step 2:In video conferencing system, certain network interface card accidental damage may be led to because of certain situations, then needing To ensure the stability of video conference using more network interface cards.There is heartbeat machine contracting system between more network interface cards and Bond drivings.So-called heartbeat Packet, as more being driven to Bond for network interface cards meeting timing send message, if network interface card B is damaged, then will not be driven again to Bond It is dynamic to send message.After Bond drivings within a specified time can not receive the message from network interface card B, it can judge that the network interface card damages, And the network interface card is set to down state.After the forwarding request for receiving bit stream data packet, Bond drivings can traverse all nets Card selects the network interface card of available mode to carry out data forwarding to bypass network interface card B, to ensure the meeting after certain network interface card damages It holds and is unaffected.
The embodiment of the present invention additionally provides a kind of bit stream device of video conferencing system, which can be used for executing The code stream transmission method of the video conferencing system of the embodiment of the present invention.A driver is configured on bit stream device, is driven Program for managing and drive multiple network interface cards, configured in the bit stream device corresponding module assist the driver into Row bit stream, wherein as shown in figure 4, the bit stream device includes:
Receiving module 41, for receiving bit stream data packet to be transmitted in video conferencing system.
Determining module 42 determines the use state of each network interface card for traversing multiple network interface cards.
Selecting module 43, for selecting one of network interface card according to the use state of each network interface card.
Sending module 44, for bit stream data packet to be transmitted to be sent to the network interface card selected.
The bit stream device of video conferencing system provided by the invention, wherein match in the server-side of video conferencing system Driver is set, for managing and driving multiple network interface cards, and avoids the problem of more network interface cards use process in the prior art; That is, the present invention makes more network interface card technologies can be applied in video conferencing system using driver, during video conference Driver selects a network interface card for sending bit stream data packet to be transmitted according to the use state of each network interface card, can avoid certain The influence that a network interface card breaks down to video conference, ensures the stability of video conference.
In some optional embodiments of the present embodiment, as shown in figure 5, selecting module 43 includes:
Statistic unit 431, the quantity for counting bit stream data packet to be transmitted in the corresponding transmission queue of each network interface card, passes Defeated queue is for storing bit stream data packet to be transmitted;
Computing unit 432, for the quantity using bit stream data packet to be transmitted, computational load information.
The embodiment of the present invention additionally provides a kind of conference facility, as shown in fig. 6, the conference facility may include processor 51 With memory 52, wherein processor 51 can be connected with memory 52 by bus or other modes, to pass through bus in Fig. 6 For connection.
Processor 51 can be central processing unit (Central Processing Unit, CPU).Processor 51 can be with For other general processors, digital signal processor (Digital Signal Processor, DSP), application-specific integrated circuit (Application Specific Integrated Circuit, ASIC), field programmable gate array (Field- Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic, The combination of the chips such as discrete hardware components or above-mentioned all kinds of chips.
Memory 52 is used as a kind of non-transient computer readable storage medium, can be used for storing non-transient software program, non- Transient computer executable program and module, as the code stream transmission method of the video conferencing system in the embodiment of the present invention corresponds to Program instruction/module (for example, receiving module shown in Fig. 4 41, determining module 42, selecting module 43 and sending module 44).Processor 51 is stored in non-transient software program, instruction and module in memory 52 by operation, at execution Various function application and the data processing of device are managed, that is, realizes the bit stream of the video conferencing system in above method embodiment Method.
Memory 52 may include storing program area and storage data field, wherein storing program area can storage program area, At least one required application program of function;Storage data field can store the data etc. that processor 51 is created.In addition, storage Device 52 may include high-speed random access memory, can also include non-transient memory, for example, at least a magnetic disk storage Part, flush memory device or other non-transient solid-state memories.In some embodiments, it includes relative to place that memory 52 is optional The remotely located memory of device 51 is managed, these remote memories can pass through network connection to processor 51.The reality of above-mentioned network Example includes but not limited to internet, intranet, LAN, mobile radio communication and combinations thereof.
One or more of modules are stored in the memory 52, when being executed by the processor 51, are executed The code stream transmission method of video conferencing system in embodiment as shown in Figs. 1-3.
Above-mentioned conference facility detail can correspond to refering to fig. 1 to corresponding associated description in embodiment shown in Fig. 3 Understood with effect, details are not described herein again.
It is that can lead to it will be understood by those skilled in the art that realizing all or part of flow in above-described embodiment method It crosses computer program and is completed to instruct relevant hardware, the program can be stored in a computer read/write memory medium In, the program is when being executed, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic disc, CD, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), flash memory (Flash Memory), hard disk (Hard Disk Drive, abbreviation:) or solid state disk HDD (Solid-State Drive, SSD) etc.;The storage medium can also include the combination of the memory of mentioned kind.
Although being described in conjunction with the accompanying the embodiment of the present invention, those skilled in the art can not depart from the present invention Spirit and scope in the case of various modifications and variations can be made, such modifications and variations are each fallen within by appended claims institute Within the scope of restriction.

Claims (10)

1. a kind of code stream transmission method of video conferencing system, which is characterized in that match in the server-side of the video conferencing system Set a driver, the driver is for managing and driving multiple network interface cards, wherein the code stream transmission method includes:
The driver receives bit stream data packet to be transmitted in the video conferencing system;
The driver traverses the multiple network interface card, determines the use state of each network interface card;
The driver selects one of network interface card according to the use state of each network interface card;
The bit stream data packet to be transmitted is sent to the network interface card selected by the driver.
2. code stream transmission method according to claim 1, which is characterized in that configure the physical address of the multiple network interface card At same physical address.
3. code stream transmission method according to claim 1, which is characterized in that the driver is according to each network interface card Use state select the one of network interface card to include:
Judge the network interface card with the presence or absence of idle state in the multiple network interface card, and/or, judge to whether there is in the multiple network interface card Failure network interface card, and/or, obtain the load information of each network interface card;
Selection one is in idle condition either non-faulting or loads small network interface card, as the transmission bit stream data to be transmitted The network interface card of packet.
4. code stream transmission method according to claim 3, which is characterized in that the load letter for obtaining each network interface card Breath includes:
The quantity of bit stream data packet to be transmitted described in the corresponding transmission queue of each network interface card is counted, the transmission queue is used In the storage bit stream data packet to be transmitted;
Using the quantity of the bit stream data packet to be transmitted, the load information of the network interface card is calculated.
5. code stream transmission method according to claim 4, which is characterized in that described to utilize the bit stream data packet to be transmitted Quantity, calculate the load information of the network interface card, including:
The initial value of the load information is set, and the initial value is the quantity of the bit stream data packet to be transmitted;
According to the processing state of the network interface card, the load information of the network interface card is updated.
6. code stream transmission method according to claim 3, which is characterized in that described to judge in multiple network interface cards with the presence or absence of event Hindering network interface card includes:
With the first prefixed time interval detect each network interface card whether failure;
When there are failure network interface card, the binding of the driver and the failure network interface card is released.
7. code stream transmission method according to claim 6, which is characterized in that described to detect institute with the first prefixed time interval State each network interface card whether failure, including:
Detection packet is sent to each network interface card with first preset time, the corresponding network interface card is carried in the detection packet Label;
In the second preset time, receive the response bag of the network interface card feedback;
Extract the label of network interface card described in the response bag;
Using the label, the failure network interface card is determined.
8. a kind of bit stream device of video conferencing system, which is characterized in that configure one on the bit stream device and drive Dynamic program, the driver is for managing and drive multiple network interface cards, wherein the bit stream device includes:
Receiving module, for receiving bit stream data packet to be transmitted in the video conferencing system;
Determining module determines the use state of each network interface card for traversing the multiple network interface card;
Selecting module, for selecting one of network interface card according to the use state of each network interface card;
Sending module, for the bit stream data packet to be transmitted to be sent to the network interface card selected.
9. a kind of conference facility, which is characterized in that including:
Memory and processor communicate connection, are stored in the memory between the memory and the processor Computer instruction, the processor is by executing the computer instruction, to which perform claim requires 1-7 any one of them to regard The code stream transmission method of frequency conference system.
10. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has computer to refer to It enables, the code that the computer instruction is used to that the computer perform claim to be made to require 1-7 any one of them video conferencing systems Spread transmission method.
CN201810516359.2A 2018-05-25 2018-05-25 Code stream transmission method, device and the conference facility of video conferencing system Pending CN108718398A (en)

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Application publication date: 20181030