CN107948578B - The method of adjustment and adjustment device of video conferencing system transmission bandwidth and resolution ratio - Google Patents
The method of adjustment and adjustment device of video conferencing system transmission bandwidth and resolution ratio Download PDFInfo
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- CN107948578B CN107948578B CN201711462021.5A CN201711462021A CN107948578B CN 107948578 B CN107948578 B CN 107948578B CN 201711462021 A CN201711462021 A CN 201711462021A CN 107948578 B CN107948578 B CN 107948578B
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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
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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
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
Abstract
The present invention is suitable for multimedia technology field, provide the method for adjustment and adjustment device of video conferencing system transmission bandwidth and resolution ratio, the method of adjustment includes: to obtain the corresponding terminal iidentification of each each split screen video of participant terminal and video gear, and the terminal iidentification is used for each participant terminal of unique identification；According to the terminal iidentification and video gear, the maximum video gear of same terminal mark is obtained；The first corresponding relationship is searched according to the maximum video gear, obtains the corresponding bandwidth of the maximum video gear and resolution ratio；The corresponding bandwidth of the maximum video gear and resolution ratio are sent to the corresponding participant terminal of the terminal iidentification, so that resolution ratio and transmission bandwidth of the participant terminal according to the bandwidth and the video of resolution ratio setting shooting；The dynamic adjustment to the resolution ratio and bandwidth of the video of participant terminal shooting is realized, reduces the data processing amount of server, improves the resource utilization of server.
Description
Technical field
The invention belongs to the adjustment sides of multimedia technology field more particularly to video conferencing system transmission bandwidth and resolution ratio
Method and adjustment device.
Background technique
In recent years, because that can greatly improve communication efficiency, lasting reduce links up cost for video conference, brings internal control horizontal
Upgrading, and obtain numerous users and welcome, it has been widely used in government, army, traffic, transport, finance, operator, education, enterprise
Etc. every field.
But as participant terminal is increasing, and to deficiency expected from network broadband speed of download, lead to video figure
As showing that slack problem becomes increasingly conspicuous.For example, each participant terminal generally requires when carrying out multi-party more ground video conference
Multi-path video stream is received simultaneously, and carries out the display of multi-channel video；Therefore, when participant terminal is more, network transmission will be increased
Video code flow, lead to network blockage, Caton occurs for the voice and image of video conference, seriously affect video conference it is normal into
Row.
For this technical problem, the means that the prior art is taken are: in the server synthesizing multi-channel video all the way
Video is sent, so that each participant terminal need to only obtain video all the way, corresponding group of the road Bing Duigai video from server
It closes picture to be shown, saves the bandwidth resources of network.
But this way will increase the data processing amount of server, especially when needs will be compared with multichannel Video Composition one
When the video of road, the server for needing data-handling capacity very strong could complete this task；Also, at the data of server
Reason amount is larger, so that the transmission of video data is delayed, reduces the viewing effect of TV news, meanwhile, each participant is whole
End can only passively receive the video flowing that server is sent and be shown, can not the received video of flexible choice needs.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of video conferencing system transmission bandwidth and the methods of adjustment of resolution ratio
And adjustment device, can solve in the prior art for the bandwidth resources for saving network, caused server data treating capacity compared with
Big technical problem.
The first aspect of the embodiment of the present invention provides the adjustment side of a kind of video conferencing system transmission bandwidth and resolution ratio
Method, the method for adjustment include:
The corresponding terminal iidentification of each split screen video of each participant terminal and video gear are obtained, the terminal iidentification is for only
The one each participant terminal of mark；
According to the terminal iidentification and video gear, the maximum video gear of same terminal mark is obtained；
According to the maximum video gear search the first corresponding relationship, obtain the corresponding bandwidth of the maximum video gear and
Resolution ratio；
The corresponding bandwidth of the maximum video gear and resolution ratio are sent to the corresponding participant terminal of the terminal iidentification,
So that resolution ratio and transmission bandwidth of the participant terminal according to the bandwidth and the video of resolution ratio setting shooting.
The second aspect of the embodiment of the present invention provides the adjustment dress of a kind of video conferencing system transmission bandwidth and resolution ratio
It sets, comprising:
First acquisition unit, for obtaining the corresponding terminal iidentification of each split screen video of each participant terminal and video gear,
The terminal iidentification is used for each participant terminal of unique identification；
Second acquisition unit, for obtaining the highest view of same terminal mark according to the terminal iidentification and video gear
Frequency gear；
Searching unit obtains the maximum video shelves for searching the first corresponding relationship according to the maximum video gear
The corresponding bandwidth in position and resolution ratio；
First transmission unit, for the corresponding bandwidth of the maximum video gear and resolution ratio to be sent to the terminal mark
Know corresponding participant terminal so that the participant terminal according to the bandwidth and resolution ratio setting shooting video resolution ratio and
Transmission bandwidth.
In the embodiment of the present invention, the corresponding terminal iidentification of each split screen video of each participant terminal and view are obtained by server
Frequency gear, so that the highest gear of point screen display of the video of each participant terminal shooting in all participant terminals is obtained, then
The first corresponding relationship is searched according to the highest gear, obtains the corresponding bandwidth of the maximum video gear and resolution ratio, thus
Enable each participant terminal according to point of the corresponding bandwidth of the maximum video gear and the video of resolution ratio setting shooting
Resolution and transmission bandwidth are realized and are shot to participant terminal without being sent with a resolution ratio and bandwidth every time
Video resolution ratio and bandwidth dynamic adjustment, save the bandwidth resources of network；Simultaneously as the server only carries out
The forwarding of the video of participant terminal shooting greatly reduces server without coding and decoding to the video
Data processing amount enables the server to carry more video conference services, improves the resource utilization of server.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the structural schematic diagram of video conferencing system provided in an embodiment of the present invention；
Fig. 2 is a kind of reality of the method for adjustment of video conferencing system transmission bandwidth and resolution ratio provided in an embodiment of the present invention
Existing flow diagram；
Fig. 3 is that the split screen layout of participant terminal provided in an embodiment of the present invention is the structural schematic diagram of four split screens；
Fig. 4 is a kind of the another of the method for adjustment of video conferencing system transmission bandwidth and resolution ratio provided in an embodiment of the present invention
One implementation process schematic diagram；
Fig. 5 is a kind of knot of the adjustment device of video conferencing system transmission bandwidth and resolution ratio provided in an embodiment of the present invention
Structure schematic diagram；
Fig. 6 is that a kind of terminal of the adjustment of video conferencing system transmission bandwidth and resolution ratio provided in an embodiment of the present invention is set
Standby structural schematic diagram.
Specific embodiment
In being described below, for illustration and not for limitation, the tool of such as particular system structure, technology etc is proposed
Body details, to understand thoroughly the embodiment of the present invention.However, it will be clear to one skilled in the art that there is no these specific
The present invention also may be implemented in the other embodiments of details.In other situations, it omits to well-known system, device, electricity
The detailed description of road and method, in case unnecessary details interferes description of the invention.
In order to illustrate technical solutions according to the invention, the following is a description of specific embodiments.
Fig. 1 shows the structural schematic diagram of video conferencing system provided in an embodiment of the present invention, the video conferencing system
Including one or more participant terminals 100 and server 200, the server 200 passes through cable network or wireless network and institute
It states participant terminal 100 to be communicatively coupled, to carry out data communication or data interaction.The server 200 can be network clothes
Business device, database server etc..The participant terminal 100 can be desktop computer, PC (PC), tablet computer, intelligence
The terminals such as mobile phone, in the present embodiment, optionally, the participant terminal is PC (PC).Also, the participant terminal
100 are equipped with video meeting software.
With the development of computer network, Video Conference System has been widely used in all trades and professions.By calling together
Video conference is opened, large-scale training activity or meeting can be unfolded at any time, as long as all participants are in the computer of oneself
Video and audio-frequency information are received in front, so that it may easily see the various data informations on meeting presider's computer screen, and can
It realizes with real-time between participant, aspectant exchange and interdynamic, greatly improves work efficiency, save the work of participant
Make time and convention expense.
In general, a participant terminal usually requires to obtain other and meeting terminal from server in a video conference
The video image of shooting, while needing the video image of itself shooting being sent to server, it is forwarded by the server
To other and meeting terminal.For example, then server needs when participant terminal needs to obtain the video image of nine participant terminals shooting
Nine road video datas are sent for it, occupy biggish bandwidth resources.If at this time there are also Screen sharing, discussion or blank, that
It needs the data transmitted will be more, causes to occupy more bandwidth resources, it, will be due to video codes when participant terminal is more
The data volume of stream is excessive, cause video conference voice and video image occur Caton, seriously affect video conference it is normal into
Row, causes the waste of conferencing resource, human resources, reduces the stability of video conference.
In the prior art, it is sent by the way that multi-channel video compression is synthesized video all the way in the server, so that often
A participant terminal need to only obtain video all the way from server, so that it may multiple paths of video images be shown, to save network
Bandwidth resources.For example, the data of nine road video images, which are carried out compression, synthesizes video image data all the way, formation includes all the way
The compressed data of nine road video images can be shown when so that participant terminal receiving the road video image data comprising nine
The combined picture of the video image of terminal shooting, and save the bandwidth resources of network.
But this way increases the data processing amount of server, especially when needs will be compared with multichannel Video Composition one
When the video of road, the server for needing data-handling capacity very strong could complete this task；Also, at the data of server
Reason amount is larger, so that the transmission of video data is delayed, reduces the viewing effect of TV news, meanwhile, at data
The limitation of reason ability, the corresponding combined picture of combined video stream that server is sent is less, can not be carried out according to user demand more
The transmission of kind combined video stream.For example, it is extraly fixed for it then to need when needing to limit the viewing permission of certain participant terminals
The combined video stream of various combination picture processed, further increases the data processing amount of server.
The embodiment of the invention provides a kind of video conferencing system transmission bandwidth and the methods of adjustment and adjustment dress of resolution ratio
It sets, can solve in the prior art for the bandwidth resources for saving network, the caused biggish technology of server data treating capacity
Problem.
As shown in Fig. 2, being the adjustment of a kind of video conferencing system transmission bandwidth and resolution ratio provided in an embodiment of the present invention
The implementation process schematic diagram of method, wherein the method for adjustment includes: S201 to S204.
In S201, the corresponding terminal iidentification of each split screen video of each participant terminal and video gear, the terminal are obtained
Mark is used for each participant terminal of unique identification.
The split screen video refers to the video of each split screen display available in the participant terminal display interface.
Specifically, the display of multiple split screens can be carried out in the participant terminal display interface, for example, a split screen, two points
A variety of split screen layout type such as screen, four split screens, nine split screens, 16 split screens, participant terminal described in each split screen display available receive
Or the video of shooting, that is, split screen video.For example, as shown in figure 3, for the participant terminal split screen layout be four split screens knot
Structure schematic diagram.Can be shown on four split screen four roads other and can terminal shooting video, can also show three roads other with
The video of meeting terminal shooting and the video for showing this terminal shooting all the way.Therefore, the corresponding participant terminal of each split screen video,
And the terminal iidentification of the corresponding participant terminal of each split screen.
Wherein, the terminal iidentification can be sequence number, IP address or the MAC Address of the participant terminal, or, institute
Stating terminal iidentification is the identification code that the server is used to that terminal connected to it to be numbered；For unique identification each with
It can terminal.
Optionally, the corresponding terminal iidentification of each each split screen video of participant terminal of acquisition and video gear include: meter
Calculate the resolution height of each split screen video of each participant terminal；The second corresponding relationship is searched according to the resolution height, is obtained
The video gear of each each split screen video of participant terminal.
Wherein, the resolution height can be the lateral resolution of the display video, or longitudinal resolution,
For example, resolution ratio is the display interface of 1920*1080, lateral resolution 1920, longitudinal resolution 1080.
Since the resolution ratio of the display interface of each participant terminal is possible to not identical, that is to say, that, it is possible to one
The high resolution of the display interface of part terminal is some, and a part of resolution ratio is lower, and therefore, calculated each participant terminal is every
The resolution height of a split screen video is by the different from due to resolution level of display interface.Need to calculate separately each institute
State the resolution height of the video of each split screen display available in participant terminal.Second pair is searched further according to the resolution height
It should be related to, obtain the corresponding video gear of resolution height of each split screen.So that the server can obtain it is each
The corresponding highest gear of video of the participant terminal shooting, searches the first corresponding relationship further according to the highest gear, obtains
The corresponding bandwidth of the highest gear and resolution ratio；And make the participant terminal according to the bandwidth and resolution ratio setting shooting
Video resolution ratio and transmission bandwidth, to realize the dynamic adjustment of the bandwidth and resolution ratio of the participant terminal, i.e. basis
The resolution ratio and transmission bandwidth of the display demand adjustment shooting video of each participant terminal, without sending best result every time
The video of resolution and highest transmission bandwidth, while realizing the clear display of the split screen video, so that the bandwidth of the network
Resource is rationally utilized, and the bandwidth resources of network are saved.
It should be noted that the resolution height for calculating each each split screen video of participant terminal includes: the participant
Terminal calculates separately the resolution height of respective each split screen video, and by searching for second corresponding relationship, obtains each point
The video gear for shielding video, the video gear of each split screen video and the corresponding terminal iidentification of the split screen video are sent to
The server；Further include: display parameters and received number of videos of the server according to each participant terminal display screen
Calculate the resolution height of each split screen video of each participant terminal.
Optionally, second corresponding relationship includes the corresponding relationship of the resolution height Yu video gear.
For example, as described in Table 1, the video gear can be set to 0~7 eight gears, and be 1920* with resolution ratio
The resolution ratio is divided into for 1080 and opens the right resolution height section closed with the one-to-one left side of eight gears, is made
It obtains speaker's terminal and each participant terminal calculates separately the shooting video of each split screen display available in display layout
Resolution height after, the resolution height section that can be belonged to according to the resolution height obtains each split screen
The corresponding video gear of resolution height.
Table 1
It should be noted that the corresponding relationship of resolution height described in above-mentioned table 1 and the video gear is only
For example, in other embodiments, the resolution height section can also have other division modes, and the video
The quantity of gear can be more or less, that is, the corresponding relationship of the resolution height and the video gear can root
It is determined according to practical experience or specific application scenarios, herein, is not limited.
It is corresponding with the corresponding relationship of video gear each each split screen video of participant terminal of acquisition above by resolution height
Terminal iidentification and video gear be more excellent embodiment in the embodiment of the present invention, this method can more accurately determine respectively with
It can the corresponding video gear of each split screen video of terminal.But this determine the corresponding view of each each split screen video of participant terminal
The method of frequency gear is only one embodiment of the present invention, is not expressed as limiting the scope of the invention, in this hair
In bright other embodiments, the corresponding video gear of each split screen video of each participant terminal can also be determined by other methods.
For example, in other embodiments of the invention, it is described to obtain each each split screen video of participant terminal corresponding end
End mark and video gear further include: calculate the lateral resolution of each split screen video of each participant terminal and point of longitudinal resolution
Resolution product；Third corresponding relationship is searched according to the resolution ratio product, obtains the video of each split screen video of each participant terminal
Gear.Wherein, the third corresponding relationship is the corresponding relationship of the resolution ratio product and video gear.
In S202, according to the terminal iidentification and video gear, the maximum video gear of same terminal mark is obtained.
After obtaining the corresponding terminal iidentification of each split screen video of each participant terminal and video gear, count it is described respectively with
The corresponding terminal iidentification of the meeting each split screen video of terminal and video gear, can obtain the maximum video shelves of same terminal mark
Position.It is ranked up for example, the same terminal is identified corresponding video gear, obtains the highest view of the same terminal mark
Frequency gear.
In another example participant terminal A, participant terminal B, to participant terminal P, 16 participant terminals are connected to server S simultaneously,
Participant terminal A, participant terminal B receive the video of the participant terminal A shooting to participant terminal P, and in each participant terminal
It is shown on split screen, i.e. split screen video A.It is respectively shown at this point, participant terminal A, participant terminal B are calculated separately to participant terminal P
Resolution height A1~A16 of split screen video A in display screen, and the respective display is obtained by searching for second corresponding relationship
The corresponding video gear a1~a16 of resolution height A1~A16 of split screen video A on screen, by the split screen video A corresponding end
End mark A and video gear a1~a16 is sent to server S, is divided by the server S 16 participants terminal transmission
Video gear a1~a16 of screen video A is counted, and obtains the corresponding maximum video gear x of the split screen video A, x is contained in
A1~a16.For example, a1~the a16 is respectively 4,5,4,4,2,4,5,3,4,2,4,5,4,4,2,3, then x=5.
In S203, the first corresponding relationship is searched according to the maximum video gear, obtains the maximum video gear pair
The bandwidth and resolution ratio answered.
The server is also equivalent to obtain each after the maximum video gear for obtaining same terminal mark
Highest gear when the video of participant terminal shooting is shown in the display interface of all participant terminals, therefore, the clothes
Business device can search the first corresponding relationship according to the maximum video gear, obtain the video of each participant terminal shooting
The corresponding bandwidth of maximum video gear and resolution ratio, and the participant terminal is controlled according to the corresponding band of the maximum video gear
Wide and resolution ratio carries out the transmission of shooting video, to save the bandwidth resources of network.
Optionally, first corresponding relationship includes the corresponding pass between video gear, transmission bandwidth and resolution ratio three
System.
For example, as shown in table 2, being and the one-to-one bandwidth of eight gears 0~7 and resolution ratio.
Table 2
It should be noted that video gear described in above-mentioned table 2 and the corresponding relationship of the bandwidth and resolution ratio are only
For example, in other embodiments, the video gear and the corresponding relationship of the bandwidth and resolution ratio can also have it
His division mode, for example, the quantity of the video gear can be more or less, the numerical value of the bandwidth can set
It is fluctuated in range, e.g., fluctuates in the range of positive and negative 50kbps, herein, be not limited, it only need to be according to actually answering
With carrying out classifying rationally.
In S204, it is corresponding that the corresponding bandwidth of the maximum video gear and resolution ratio are sent to the terminal iidentification
Participant terminal, so that resolution ratio and transmission band of the participant terminal according to the bandwidth and the video of resolution ratio setting shooting
It is wide.
The server obtains the corresponding bandwidth of maximum video gear of the video of each participant terminal shooting and divides
After resolution, it is whole that the corresponding bandwidth of the maximum video gear and resolution ratio need to be sent to the corresponding participant of the terminal iidentification
End, and then control each participant terminal and shooting video is carried out according to its corresponding bandwidth of maximum video gear and resolution ratio
It sends.Since each participant terminal will not be generally setting according to its corresponding bandwidth of maximum video gear and resolution ratio
Gear in it is most high-grade, for example, be the 7th grade, therefore, bandwidth that the participant terminal is sent according to the server and point
Resolution carries out the transmission of video, can save the bandwidth resources of network.
Wherein, the corresponding bandwidth of the highest gear and resolution ratio are sent to the terminal iidentification and corresponded to by the server
Participant terminal, rather than the corresponding bandwidth of the lowest gear and resolution ratio are sent to the corresponding participant of the terminal iidentification
Terminal is that when showing in the higher display interface of resolution ratio in order to avoid the shooting video, the phenomenon that mosaic occur, from
And realize save Internet resources bandwidth while, it is ensured that the clarity that video is shown.
In the embodiment of the present invention, since the systemic resolution of each participant terminal is possible to different, calculated each
The resolution height of the video of each split screen display available of participant terminal is also possible to difference, that is, need the server according to
The terminal iidentification and video gear corresponding with the terminal iidentification got obtains the video of each participant terminal shooting
The corresponding highest gear when being shown searches the first corresponding relationship further according to the highest gear, obtains described most high-grade
The corresponding bandwidth in position and resolution ratio；By the server by the corresponding bandwidth of the highest gear and resolution ratio be sent to it is described most
The corresponding participant terminal of high tap position, so that resolution ratio of the participant terminal according to the bandwidth and resolution ratio setting video
And transmission bandwidth.To realize save Internet resources bandwidth while, it is ensured that the clarity that video is shown.
For example, being shown to the video of participant terminal B shooting in the display screen of participant terminal A~P, i.e. split screen video
B, and the resolution height that the participant terminal A~P respectively shows the video of participant terminal B shooting is corresponding most high-grade
Position is 5, then is 5 corresponding bandwidth by the highest gear at this point, the server searches first corresponding relationship
530kbps and resolution ratio 960*536 is sent to the participant terminal B, and the participant terminal B is according to the bandwidth received
The resolution ratio of the video of 530kbps and resolution ratio 960*536 setting shooting is 960*536 and transmission bandwidth 530kbps, and by institute
It states split screen video B and is sent to the server, participant terminal A~P is forwarded to using the bandwidth of 530kbps by the server,
Without using the bandwidth of 1536kbps to be forwarded the split screen video B to each participant terminal A~P, to save
The bandwidth resources of network are saved, and since the server is only the forwarding for carrying out the split screen video, and without dividing
Therefore shielding the data processing operations such as the coding and decoding of video reduces the data processing amount of the server, so that the clothes
Business device can carry the business of more video conferences, improve the resource utilization of the server.
Optionally, as shown in figure 4, the method for adjustment of the video conferencing system transmission bandwidth and resolution ratio further include: step
Rapid S401 to step S402.
In S401, receives the video that participant terminal is sent and transmit request, the video transmission request carries one or more
A terminal iidentification；
In S402, according to the terminal iidentification in video transmission request, the terminal is sent to the participant terminal
Identify the shooting video of corresponding participant terminal.
For example, participant terminal B is sent to the server carries participant terminal A, participant terminal C, participant terminal D and participant
The video of the terminal iidentification of terminal E transmits request, then at this point, the server can be carried according in video transmission request
Participant terminal A, participant terminal C, participant terminal D and participant terminal E terminal iidentification, only to the participant terminal B forwarding with
The video that meeting terminal A, participant terminal C, participant terminal D and participant terminal E are shot, that is, so that the display screen of the participant terminal B
In only show the participant terminal A, participant terminal C, participant terminal D and participant terminal E shooting video combined picture.Cause
This, in the embodiment of the present invention, can be combined the display of picture according to the display demand of participant terminal, have display picture
The flexible feature of combination, for example, the power that certain participant terminals watch some and understand the video of terminal shooting ought be needed to be arranged
In limited time, the video for being sent to it the participant terminal shooting need to be only limited, is that its is separately synthesized without the server
Video all the way, reduces the data processing amount of server, while solving in the prior art, the combined picture that participant terminal is shown
Relatively fixed disadvantage.
It should be understood that the size of the serial number of each step is not meant that the order of the execution order in above-described embodiment, each process
Execution sequence should be determined by its function and internal logic, the implementation process without coping with the embodiment of the present invention constitutes any limit
It is fixed.
As shown in figure 5, the embodiment of the present invention also provides the dress of a kind of video conferencing system transmission bandwidth and resolution adjustment
Set 500, including first acquisition unit 501, second acquisition unit 502, searching unit 503 and the first transmission unit 504；
First acquisition unit 501, for obtaining the corresponding terminal iidentification of each split screen video of each participant terminal and video shelves
Position, the terminal iidentification are used for each participant terminal of unique identification；
Second acquisition unit 502, for obtaining the highest of same terminal mark according to the terminal iidentification and video gear
Video gear；
Searching unit 503 obtains the maximum video for searching the first corresponding relationship according to the maximum video gear
The corresponding bandwidth of gear and resolution ratio；
First transmission unit 504, for the corresponding bandwidth of the maximum video gear and resolution ratio to be sent to the end
End identifies corresponding participant terminal, so that resolution of the participant terminal according to the bandwidth and the video of resolution ratio setting shooting
Rate and transmission bandwidth.
Further, the first acquisition unit 501 includes: computation subunit, is each divided for calculating each participant terminal
Shield the resolution height of video；Search subelement, for according to the resolution height search the second corresponding relationship obtain respectively with
The video gear of the meeting each split screen video of terminal.
Further, the adjustment device, further includes: receiving unit, the video for receiving the transmission of participant terminal pass
Request is sent, the video transmission request carries one or more terminal iidentifications；Second transmission unit, for being passed according to the video
The terminal iidentification in request is sent, sends the corresponding shooting video of the terminal iidentification to the participant terminal.
Also further, first corresponding relationship includes pair between video gear, transmission bandwidth and resolution ratio three
It should be related to.
Further, second corresponding relationship includes the corresponding relationship of the resolution height Yu video gear.
It should be noted that for convenience and simplicity of description, a kind of video conferencing system transmission bandwidth of foregoing description and
The specific work process of the device 500 of resolution adjustment can refer to the corresponding process of Fig. 2 and Fig. 4 the method, herein no longer
Excessively repeat.
Fig. 6 is that the terminal of a kind of video conferencing system transmission bandwidth that one embodiment of the invention provides and resolution adjustment is set
Standby schematic diagram.As shown in fig. 6, the terminal device 6 of the embodiment includes: processor 60, memory 61 and is stored in described
In memory 61 and the computer program 62 that can be run on the processor 60, for example, video conferencing system transmission bandwidth and point
The program of resolution adjustment.The processor 60 realizes above-mentioned each video conferencing system transmission when executing the computer program 62
Step in bandwidth and the embodiment of the method for resolution adjustment, such as step 201 shown in Fig. 2 is to 204.Alternatively, the processing
Device 60 realizes the function of each module/unit in above-mentioned each Installation practice when executing the computer program 62, such as shown in Fig. 5
The function of module 501 to 504.
Illustratively, the computer program 62 can be divided into one or more module/units, it is one or
Multiple module/units are stored in the memory 61, and are executed by the processor 60, to complete the present invention.Described one
A or multiple module/units can be the series of computation machine program instruction section that can complete specific function, which is used for
Execution of the computer program 62 in the terminal device 6 of the video conferencing system transmission bandwidth and resolution adjustment is described
Process.For example, the computer program 62 can be divided into first acquisition unit, second acquisition unit, searching unit and
One transmission unit 504 (module in virtual bench), each unit concrete function is as follows:
First acquisition unit, for obtaining the corresponding terminal iidentification of each split screen video of each participant terminal and video gear,
The terminal iidentification is used for each participant terminal of unique identification；
Second acquisition unit, for obtaining the highest view of same terminal mark according to the terminal iidentification and video gear
Frequency gear；
Searching unit obtains the maximum video shelves for searching the first corresponding relationship according to the maximum video gear
The corresponding bandwidth in position and resolution ratio；
First transmission unit, for the corresponding bandwidth of the maximum video gear and resolution ratio to be sent to the terminal mark
Know corresponding participant terminal so that the participant terminal according to the bandwidth and resolution ratio setting shooting video resolution ratio and
Transmission bandwidth.
The terminal device 6 can be the calculating such as desktop PC, notebook, palm PC and cloud server and set
It is standby.The terminal device may include, but be not limited only to, processor 60, memory 61.It will be understood by those skilled in the art that Fig. 6
The only example of terminal device 6 does not constitute the restriction to terminal device 6, may include than illustrating more or fewer portions
Part perhaps combines certain components or different components, such as the terminal device can also include input-output equipment, net
Network access device, bus etc..
Alleged processor 60 can be central processing unit (Central Processing Unit, CPU), can also be
Other general processors, digital signal processor (Digital Signal Processor, DSP), specific integrated circuit
(Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor is also possible to any conventional processor
Deng.
The memory 61 can be the internal storage unit of the terminal device 6, such as the hard disk or interior of terminal device 6
It deposits.The memory 61 is also possible to the External memory equipment of the terminal device 6, such as be equipped on the terminal device 6
Plug-in type hard disk, intelligent memory card (Smart Media Card, SMC), secure digital (Secure Digital, SD) card dodge
Deposit card (Flash Card) etc..Further, the memory 61 can also both include the storage inside list of the terminal device 6
Member also includes External memory equipment.The memory 61 is for storing needed for the computer program and the terminal device
Other programs and data.The memory 61 can be also used for temporarily storing the data that has exported or will export.
It is apparent to those skilled in the art that for convenience of description and succinctly, only with above-mentioned each function
Can unit, module division progress for example, in practical application, can according to need and by above-mentioned function distribution by different
Functional unit, module are completed, i.e., the internal structure of described device is divided into different functional unit or module, more than completing
The all or part of function of description.Each functional unit in embodiment, module can integrate in one processing unit, can also
To be that each unit physically exists alone, can also be integrated in one unit with two or more units, it is above-mentioned integrated
Unit both can take the form of hardware realization, can also realize in the form of software functional units.In addition, each function list
Member, the specific name of module are also only for convenience of distinguishing each other, the protection scope being not intended to limit this application.Above system
The specific work process of middle unit, module, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in detail or remembers in some embodiment
The part of load may refer to the associated description of other embodiments.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
The scope of the present invention.
In embodiment provided by the present invention, it should be understood that disclosed device/terminal device and method, it can be with
It realizes by another way.For example, device described above/terminal device embodiment is only schematical, for example, institute
The division of module or unit is stated, only a kind of logical function partition, there may be another division manner in actual implementation, such as
Multiple units or components can be combined or can be integrated into another system, or some features can be ignored or not executed.Separately
A bit, shown or discussed mutual coupling or direct-coupling or communication connection can be through some interfaces, device
Or the INDIRECT COUPLING or communication connection of unit, it can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated module/unit be realized in the form of SFU software functional unit and as independent product sale or
In use, can store in a computer readable storage medium.Based on this understanding, the present invention realizes above-mentioned implementation
All or part of the process in example method, can also instruct relevant hardware to complete, the meter by computer program
Calculation machine program can be stored in a computer readable storage medium, the computer program when being executed by processor, it can be achieved that on
The step of stating each embodiment of the method.Wherein, the computer program includes computer program code, the computer program generation
Code can be source code form, object identification code form, executable file or certain intermediate forms etc..The computer-readable medium
It may include: any entity or device, recording medium, USB flash disk, mobile hard disk, magnetic that can carry the computer program code
Dish, CD, computer storage, read-only memory (Read-Only Memory, ROM), random access memory (Random
Access Memory, RAM), electric carrier signal, telecommunication signal and software distribution medium etc..It should be noted that the meter
The content that calculation machine readable medium includes can carry out increase and decrease appropriate according to the requirement made laws in jurisdiction with patent practice,
It such as does not include electric carrier signal and telecommunications according to legislation and patent practice, computer-readable medium in certain jurisdictions
Signal.
Embodiment described above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although referring to aforementioned reality
Applying example, invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each
Technical solution documented by embodiment is modified or equivalent replacement of some of the technical features；And these are modified
Or replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution should all
It is included within protection scope of the present invention.
Claims (10)
1. the method for adjustment of a kind of video conferencing system transmission bandwidth and resolution ratio is applied to server, which is characterized in that described
Method of adjustment includes:
The corresponding terminal iidentification of each split screen video of each participant terminal and video gear are obtained, the terminal iidentification is for uniquely marking
Know each participant terminal；
According to the terminal iidentification and video gear, the maximum video gear of same terminal mark is obtained；
The first corresponding relationship is searched according to the maximum video gear, obtains the corresponding bandwidth of the maximum video gear and resolution
Rate；
The corresponding bandwidth of the maximum video gear and resolution ratio are sent to the corresponding participant terminal of the terminal iidentification, so that
The resolution ratio and transmission bandwidth for the video that the participant terminal is shot according to the bandwidth and resolution ratio setting.
2. method of adjustment as described in claim 1, which is characterized in that each split screen video of each participant terminal that obtains corresponds to
Terminal iidentification and video gear include:
Calculate the resolution height of each split screen video of each participant terminal；
The second corresponding relationship is searched according to the resolution height, obtains the video gear of each split screen video of each participant terminal.
3. method of adjustment as described in claim 1, which is characterized in that the method for adjustment further include:
It receives the video that participant terminal is sent and transmits request, the video transmission request carries one or more terminal iidentifications；
According to the terminal iidentification in video transmission request, the corresponding participant of the terminal iidentification is sent to the participant terminal
The shooting video of terminal.
4. the method as described in claims 1 to 3 any one, which is characterized in that first corresponding relationship includes video shelves
Corresponding relationship between position, transmission bandwidth and resolution ratio three.
5. method according to claim 2, which is characterized in that second corresponding relationship includes the resolution height and view
The corresponding relationship of frequency gear.
6. the adjustment device of a kind of video conferencing system transmission bandwidth and resolution ratio, is configured at server, which is characterized in that packet
It includes:
First acquisition unit, it is described for obtaining the corresponding terminal iidentification of each split screen video of each participant terminal and video gear
Terminal iidentification is used for each participant terminal of unique identification；
Second acquisition unit, for obtaining the maximum video shelves of same terminal mark according to the terminal iidentification and video gear
Position；
Searching unit obtains the maximum video gear pair for searching the first corresponding relationship according to the maximum video gear
The bandwidth and resolution ratio answered；
First transmission unit, for the corresponding bandwidth of the maximum video gear and resolution ratio to be sent to the terminal iidentification pair
The participant terminal answered, so that resolution ratio and transmission of the participant terminal according to the bandwidth and the video of resolution ratio setting shooting
Bandwidth.
7. adjustment device as claimed in claim 6, which is characterized in that the first acquisition unit includes:
Computation subunit, for calculating the resolution height of each split screen video of each participant terminal；
Subelement is searched, obtains each split screen view of each participant terminal for searching the second corresponding relationship according to the resolution height
The video gear of frequency.
8. adjustment device as claimed in claim 6, which is characterized in that further include:
Receiving unit, for receiving the video transmission request of participant terminal transmission, the video transmission request carries one or more
A terminal iidentification；
Second transmission unit, for the terminal iidentification in being requested according to video transmission, to described in participant terminal transmission
The corresponding shooting video of terminal iidentification.
9. the terminal device of a kind of video conferencing system transmission bandwidth and resolution adjustment, including memory, processor and deposit
Store up the computer program that can be run in the memory and on the processor, which is characterized in that the processor executes
It is realized when the computer program such as the step of any one of claim 1 to 5 the method.
10. a kind of computer readable storage medium, the computer-readable recording medium storage has computer program, and feature exists
In when the computer program is executed by processor the step of any one of such as claim 1 to 5 of realization the method.
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| CN110572780B (en) * | 2018-06-06 | 2021-10-22 | 成都鼎桥通信技术有限公司 | Method, device, equipment and medium for adjusting transmission rate of video group call service |
| CN109768964B (en) * | 2018-12-13 | 2022-03-29 | 视联动力信息技术股份有限公司 | Audio and video display method and device |
| CN111935438B (en) * | 2020-07-02 | 2022-04-22 | 维沃移动通信有限公司 | Parameter adjusting method and device |
| CN112153412B (en) * | 2020-08-20 | 2022-10-21 | 深圳市捷视飞通科技股份有限公司 | Control method and device for switching video images, computer equipment and storage medium |
| CN112203020B (en) * | 2020-10-10 | 2022-08-23 | 北京达佳互联信息技术有限公司 | Method, device and system for configuring camera configuration parameters of terminal equipment |
| WO2022088050A1 (en) * | 2020-10-30 | 2022-05-05 | 京东方科技集团股份有限公司 | Video conference implementation method, apparatus and system, and storage medium |
| WO2022126386A1 (en) * | 2020-12-15 | 2022-06-23 | 深圳市大疆创新科技有限公司 | Video recording method, gimbal device, mobile terminal, and readable storage medium |
| CN113206974B (en) * | 2021-04-21 | 2022-10-21 | 随锐科技集团股份有限公司 | Video picture switching method and system |
| CN113625982A (en) * | 2021-07-21 | 2021-11-09 | 展讯通信（上海）有限公司 | Multi-screen display method and device |
| CN117156205A (en) * | 2022-05-24 | 2023-12-01 | 北京字节跳动网络技术有限公司 | Image display method and device and electronic equipment |
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| CN101640784A (en) * | 2008-07-28 | 2010-02-03 | 上海领世通信技术发展有限公司 | Device and method for controlling multi-image compounding in video conference system |
| CN101365125B (en) * | 2008-09-27 | 2012-03-21 | 腾讯科技（深圳）有限公司 | Multipath video communication method and system |
| US8380790B2 (en) * | 2008-12-15 | 2013-02-19 | Microsoft Corporation | Video conference rate matching |
| GB2494745B (en) * | 2011-07-08 | 2015-11-11 | Avaya Inc | Negotiate multi-stream continuous presence |
| CN105306963B (en) * | 2015-10-20 | 2019-10-08 | 努比亚技术有限公司 | The processing system for video of adaptive mobile terminal resolution ratio, device and method |
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