CN108600834A - Video transmission system, reception/transmission/transmission method and device - Google Patents
Video transmission system, reception/transmission/transmission method and device Download PDFInfo
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- CN108600834A CN108600834A CN201810330268.XA CN201810330268A CN108600834A CN 108600834 A CN108600834 A CN 108600834A CN 201810330268 A CN201810330268 A CN 201810330268A CN 108600834 A CN108600834 A CN 108600834A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 92
- 238000000034 method Methods 0.000 title claims abstract description 85
- 238000004590 computer program Methods 0.000 claims description 20
- 238000012546 transfer Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 description 23
- 238000010586 diagram Methods 0.000 description 17
- 230000006870 function Effects 0.000 description 13
- 238000004364 calculation method Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 230000010485 coping Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000000205 computational method Methods 0.000 description 2
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- 238000004422 calculation algorithm Methods 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440263—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the spatial resolution, e.g. for displaying on a connected PDA
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
- H04N7/155—Conference systems involving storage of or access to video conference sessions
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Information Transfer Between Computers (AREA)
Abstract
The present invention is suitable for field of communication technology, provides a kind of Video transmission system, reception/transmission/transmission method and device, the video receiving method and includes：The display window information of each video recipient is obtained in real time, and the display window information includes：The size of video recipient dots per inch DPI parameters and recipient's display window；When display window information changes, the feedback information of each video recipient is calculated according to the display window information of each video recipient；The feedback information of each video recipient is sent to video sender or server；Feedback information is used to adjust the video data of video sender output；It receives the video data of video sender or server output and is played in the display window of the video recipient, video sender in the above method can be according to the video display environment information of recipient, adjustment video sender sends out the resolution ratio of video, so as to save transmission bandwidth while not influencing play quality.
Description
Technical field
The invention belongs to field of communication technology more particularly to a kind of Video transmission system, reception/transmission/transmission method and
Device.
Background technology
In common internet video meeting, it will usually including video sender and video recipient, wherein would generally
There are multiple video recipients, video sender would generally pre-set resolution encoding video, and be sent to each recipient.
However, when each video recipient show equipment display window resolution ratio it is different when, if video sender directly according to
Pre-set encoded video is sent to each recipient, then pre-set encoded video may not meet each recipient
Display demand, on the one hand, when recipient shows point of the display window resolution ratio much smaller than video transmitted by sender of equipment
When resolution, the waste of transmission bandwidth can be caused, and then network congestion and the slack situation of video occur；On the other hand, when connecing
When debit shows that the display window resolution ratio of equipment is much larger than the resolution ratio of the video transmitted by sender, it can make broadcasting for video
Put compromised quality.
Invention content
In view of this, an embodiment of the present invention provides a kind of Video transmission system, reception/transmission/transmission method and device,
Waste transmission bandwidth caused by encoded video and influence video playing are directly transmitted to solve video sender in the prior art
The problem of quality.
The first aspect of the embodiment of the present invention provides a kind of video receiving method, including：
The display window information of each video recipient is obtained in real time, and the display window information includes：Video recipient
The size of dots per inch DPI parameters and recipient's display window；
When the display window information changes, calculated according to the display window information of each video recipient each
The feedback information of video recipient；
The feedback information of each video recipient is sent to video sender or server；The feedback information is used for
Adjust the video data of video sender output；
Receive the video data of the video sender or server output and in the display window of the video recipient
Middle broadcasting.
Optionally, the feedback letter that each video recipient is calculated according to the display window information of each video recipient
Breath, specifically includes：
Judge the magnitude relationship of the video recipient DPI parameters and default DPI parameters；
When the video recipient DPI parameters are less than or equal to default DPI parameters, the feedback information of video recipient is equal to
The size of video recipient display window；When the video recipient DPI parameters are more than default DPI parameters, video recipient
Feedback information be less than video recipient display window size.
The second aspect of the embodiment of the present invention provides a kind of video receiving apparatus, including：
Window information acquisition module, the display window information for obtaining each video recipient in real time, the display window
Message ceases：The size of video recipient dots per inch DPI parameters and recipient's display window；
Feedback information computing module, for when the display window information changes, according to each video recipient
Display window information calculate the feedback information of each video recipient；
Feedback information sending module, the feedback for sending each video recipient to video sender or server
Information；The feedback information is used to adjust the video data of video sender output；
Video reception module, the video data for receiving the video sender or server output；
Playing module, for playing the video data in display window.
Optionally, the feedback information computing module includes：Judging unit and feedback information computing unit；
The judging unit, the magnitude relationship for judging the recipient DPI parameters and default DPI parameters；
The feedback information computing unit, for being less than or equal to default DPI parameters when the video recipient DPI parameters
When, the feedback information of video recipient is equal to the size of video recipient display window；When the video recipient DPI parameters are big
When default DPI parameters, the feedback information of video recipient is less than the size of video recipient display window.
The third aspect of the embodiment of the present invention provides a kind of video transmission method, including：Receive each video recipient
The feedback information of transmission obtains window resolution information according to the feedback information；Alternatively, directly receiving the window that server is sent
Mouth resolution information；
The video data of video sender output is adjusted according to the window resolution information；
The video data is exported to video recipient or server.
Optionally, described that window resolution information is obtained according to the feedback information, it specifically includes：
Calculate the maximum value or average value of the feedback information of each video recipient, and by the maximum value or average value
With for window resolution information.
The fourth aspect of the embodiment of the present invention provides a kind of video transmission device, including：
Information receiving module, the feedback information sent for receiving each video recipient, is obtained according to the feedback information
Take window resolution information；Alternatively, directly receiving the window resolution information that server is sent；
Module is adjusted, the video data for adjusting video sender output according to the window resolution information；
Output module, for exporting the video data to video recipient or server.
Optionally, described information receiving module includes：Receiving unit and window resolution computing unit；
The receiving unit, the feedback information sent for receiving each video recipient；Alternatively, for receiving server
The window resolution information of transmission；
The window resolution computing unit, the maximum value of the feedback information for calculating each video recipient or average
Value, and be window resolution information by the maximum value or average value matching.
5th aspect of the embodiment of the present invention provides a kind of video transmission method, including：
The feedback information that each video recipient is sent is received, window resolution information is obtained according to the feedback information；
The window resolution information is sent to video sender；
It receives the video data of the video sender output and is sent to video recipient.
6th aspect of the embodiment of the present invention provides a kind of video frequency transmitter, including：
Resolution ratio acquisition module, the feedback information sent for receiving each video recipient, according to the feedback information
Obtain window resolution information；
Resolution ratio sending module, for the window resolution information to be sent to video sender；
Transfer module, video data for receiving video sender output are simultaneously sent to video recipient.
7th aspect of the embodiment of the present invention provides a kind of Video transmission system, including：Video receiving apparatus and video
Sending device；
The video receiving apparatus, display window information for obtaining each video recipient in real time simultaneously calculate each regard
The feedback information of frequency recipient sends the feedback information of each video recipient to video sender, receives the video
The video data of sender's output simultaneously plays in the display window of the video recipient；
The video transmission device, the feedback information sent for receiving each video recipient, according to the feedback letter
Breath obtains window resolution information, the video data of video sender output is adjusted according to the window resolution information, by institute
Video data is stated to export to video recipient.
The eighth aspect of the embodiment of the present invention provides another Video transmission system, including：Video receiving apparatus, video
Transmitting device and video transmission device：
The video receiving apparatus, display window information for obtaining each video recipient in real time simultaneously calculate each regard
The feedback information of frequency recipient sends the feedback information of each video recipient to server, it is defeated to receive the server
The video data that goes out simultaneously plays in the display window of the video recipient；
The video frequency transmitter, the feedback information sent for receiving each video recipient, according to the feedback letter
Breath obtains window resolution information, and the window resolution information is sent to video recipient, receives the video sender
The video data of output is simultaneously sent to video recipient；
The video transmission device, the window resolution information for receiving server transmission are differentiated according to the window
Rate information adjusts the video data of video sender output, and the video data is exported to server.
9th aspect of the embodiment of the present invention provides a kind of computer readable storage medium, the computer-readable storage medium
Matter is stored with computer program, and the computer program realizes any of the above-described video receiving method, video when being executed by processor
The step of sending method and video transmission method.
Existing advantageous effect is the embodiment of the present invention compared with prior art：The embodiment of the present invention is each by obtaining in real time
The display window information of a video recipient, display window information include the size of DPI parameters and recipient's display window, according to
The information of recipient's display window calculates the feedback information of each video recipient, then feedback information is sent to video sender
Or server, wherein feedback information is used to adjust the video data of video sender output, then receives and play video sender
Video data after adjustment so as to obtain suitable video resolution according to the video display environment of recipient, and then is adjusted
The video data that whole video sender sends out, can save transmission bandwidth while not influencing play quality, compared to traditional
The process that video sends and receives, it is contemplated that influence of the DPI information at video display apparatus end to video display apparatus, Neng Goujin
The reduction bandwidth consumption of one step ensures fluency when viewing video.
Description of the drawings
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 be only the present invention some
Embodiment for those of ordinary skill in the art without having to pay creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the implementation process schematic diagram of video receiving method provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of video receiving apparatus provided in an embodiment of the present invention；
Fig. 3 is the implementation process schematic diagram of video transmission method provided in an embodiment of the present invention；
Fig. 4 is the exemplary plot of the structure of video transmission device provided in an embodiment of the present invention；
Fig. 5 is the schematic diagram of the implementation process of video transmission method provided in an embodiment of the present invention；
Fig. 6 is the structural schematic diagram of video frequency transmitter provided in an embodiment of the present invention；
Fig. 7 is the structural schematic diagram of Video transmission system provided in an embodiment of the present invention；
Fig. 8 is the structural schematic diagram of another Video transmission system provided in an embodiment of the present invention；
Fig. 9 is the schematic diagram of terminal device provided in an embodiment of the present invention.
Specific implementation mode
In being described below, for illustration and not for limitation, it is proposed that such as tool of particular system structure, technology etc
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 can also be realized 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, illustrated below by specific embodiment.
Embodiment one
Referring to Fig. 1, the implementation process schematic diagram of the video receiving method of the embodiment of the present invention one is shown, the present embodiment can
To be applied to video recipient, details are as follows：
Step S101, obtains the display window information of each video recipient in real time, and the display window information includes：Depending on
The size of frequency recipient dots per inch DPI parameters and recipient's display window.
The display window information for needing first to obtain recipient in the present embodiment, makes video send according to display window information
Side can adjust the size of the video of transmission.Specifically, the display window information for obtaining each video recipient may include：Depending on
Frequency recipient first receives the video flowing of video sender transmission, and video recipient is decoded operation to the video flowing received,
Obtain display window information.
Wherein, display window information includes video recipient DPI parameters, and DPI parameters refer to the pixel of per inch, when
The parameter of DPI is got over hour, and the clarity that video is shown is lower, conversely, when the parameter of DPI is bigger, video is shown clear
Degree is higher.DPI parameters refer to the DPI of video recipient display in the present embodiment.In addition, display window information is also wrapped
The size of recipient's display window is included, the size of display window can be：The width of display window or the height of display window or display
Height and the wide product of display window of window, that is, display window area.It is aobvious according to recipient DPI parameters and recipient
Show the two information of the size of window to obtain the feedback information of recipient, DPI parameters are taken into account to the feedback information of recipient
Calculating in, can fully according to video display environment obtain video recipient feedback information, sender's occupancy can be reduced
Bandwidth.
Step S102, when the display window information changes, according to the display window message of each video recipient
Breath calculates the feedback information of each video recipient.
In the present embodiment, by calculate the feedback information of each video recipient enable video sender according to
The video of feedback information adjustment output.Wherein, before the feedback information for calculating each video recipient, first judge video reception
Whether the display window information of side changes, and after the display window information of video recipient changes, then calculates video
The feedback information of recipient；When the display window information of video recipient does not change, video need not be recalculated
The feedback information of recipient.Wherein, the case where display window information of video recipient changes include：Video recipient
At least one of DPI parameters change, and the width of display window changes, and the height of display window changes situation.
Optionally, the feedback letter that each video recipient is calculated according to the display window information of each video recipient
Breath, specifically includes：
Step S1021 judges the magnitude relationship of the video recipient DPI parameters and default DPI parameters.
In the present embodiment, it is also necessary to pre-set a DPI parameter, which is that human eye is maximum
Receptible DPI, specifically, the maximum receptible DPI of the human eye refers to meeting when video recipient human eye sees video not
There is the required DPI of granular sensation.It is to be based on a kind of such fact to pre-set the maximum receptible DPI of human eye：Work as video
When recipient's DPI parameters are more than default DPI parameters, with the video data of video recipient DPI parameter acquiring video senders, phase
When compared with video data to preset DPI parameter acquiring video senders, need display more on similarly display area
Image pixel, that is to say, that when obtaining video sender's using the video recipient DPI parameters more than default DPI parameters
When video data, the video data for obtaining bigger resolution ratio is needed.
However, for human eye vision, when the resolution ratio for the video data watched is receptible more than human eye maximum
When the resolution ratio of the video data corresponding to DPI parameters, there is no larger promotions for the video tastes of human eye.Such as：Work as display
When device A is the DPI of retina rank, and wherein it is used to show the resolution ratio and the video of being received of the display window of A videos
Resolution ratio it is close, it is higher because human eye is when seeing video then A can also send smaller resolution video in fact
The promotion very littles of visual experience brought of DPI, but bandwidth waste can be led to, or even the phenomenon that interim card occur.
Step S1022, when the video recipient DPI parameters are less than or equal to default DPI parameters, video recipient it is anti-
Feedforward information is equal to the size of video recipient display window；When the video recipient DPI parameters are more than default DPI parameters,
The feedback information of video recipient is less than the size of video recipient display window.
In the present embodiment, after having judged the magnitude relationship between video recipient DPI parameters and default DPI parameters,
The feedback information of video recipient is obtained according to its relationship.Specifically, when video recipient DPI parameters are less than default DPI parameters
When, then the feedback information of video recipient is equal to the size of video recipient display window；But as video recipient DPI
When parameter is more than default DPI parameters, the size of downward revision recipient's display window is needed.Specifically, downward revision recipient
The method of the size of display window can be：It first calculates the height for presetting DPI parameters and display window or the wide of display window multiplies
Product obtains product value, the product value and video recipient DPI parameters is obtained quotient as quotient, then carry out rounding to the quotient
Operation obtains the width of display window after the height or floor operation of the display window after floor operation, by display window after floor operation
Mouthful height or floor operation after display window width or floor operation after display window height and display window after floor operation
Feedback information of the wide product (the namely area of display window) as video recipient.
It is readily comprehensible, when video recipient DPI parameters are more than default DPI parameters, the feedback information of video recipient
Less than the size of the display window of video recipient, and the computational methods of the feedback information of video recipient be not limited to it is above-mentioned
Method, it is any that video recipient is obtained according to recipient DPI parameters, default dPI parameters and recipient's display window size
The method of feedback information should all belong to the scope of protection of the present invention.
Such as：In a video conference scene, including video sender A, a video recipient B and video recipient
The DPI parameters of C, video recipient B are 320, and the width of display window is 1280, a height of the 720 of display window；Video recipient C
DPI parameters be 120, the width of display window is 640, a height of the 480 of display window；If presetting DPI parameters in the system
When being 160, which can meet the primary demand that user watches video, since the DPI parameters of video recipient B are more than
DPI parameters are preset, then the feedback information calculation of video recipient B can be：The width of feedback window=rounding ((160*
1280)/320)=640, height=rounding ((160*720)/320)=360 of feedback window, area=640* of feedback window
360；It is corresponding, since the DPI parameters of video recipient C are less than default DPI parameters, then the feedback information of video recipient C
Calculation can be：Wide=display window of feedback window it is wide=640, the height of height=display window of feedback window=
480, area=640*480 of feedback window.
Step S103 sends the feedback information of each video recipient to video sender or server；It is described anti-
Feedforward information is used to adjust the video data of video sender output.
In the present embodiment, after getting the feedback information of each video recipient, feedback information is sent to service
Device or video sender.Wherein, feedback information can be the width of video recipient feedback window, can also be that video recipient is anti-
The height for presenting window, can also be the area of video recipient feedback window.The recipient of feedback information can be server, when anti-
When the recipient of feedforward information is server, then server calculates the feedback information of reception and is sent to video sender,
And then adjust the size of the output video of video sender.For example, the recipient of feedback information can be Conference server cluster,
Conference server cluster is used to receive the feedback information of video recipient, and video hair is sent to after feedback information is handled
The side of sending, video sender receive the information of Conference server collection pocket transmission, and the video of output is adjusted according to information, and output regards
Frequency is sent to video recipient by Conference server cluster again.
In addition, the recipient of feedback information can also be video sender, video sender, which directly receives, comes from video
The feedback information of recipient, and handling each feedback information of reception, according to treated, information directly calculates is wanted
The video size of output.Finally, the video after adjustment is sent to video recipient by video sender again.
Step S104 receives the video data of the video sender or server output and in the video recipient
It is played in display window.
In the present embodiment, video recipient receives the video data for coming from video sender or server, will be described
Video data plays in display window.Wherein, the source of video data can be video sender, or server,
Wherein, when the source of video data is server, the transmission process of video data is：Video sender, server, video connect
Debit；When the source of video data is video sender, the transmission process of video data is：Video sender, video reception
Side.In addition, video data is to be obtained after being adjusted according to the feedback information of video recipient, by by each video reception
The feedback information of side is sent to video sender or server, and video sender can be made to obtain all video recipients
Display window information can obtain suitable video resolution so that regard according to the display window information of each video recipient
Taking place frequently the side of sending can be according to the size of video resolution adjustment output video so that the video data that video sender sends will not
Occur that resolution ratio is excessively high and waste bandwidth or video resolution is too low and the case where video blur.
In the present embodiment, by obtaining the display window information of each video recipient in real time, display window information includes
The size of DPI parameters and recipient's display window calculates the anti-of each video recipient according to the information of recipient's display window
Feedforward information, then feedback information is sent to video sender or server, wherein feedback information is defeated for adjusting video sender
The video data gone out, then receive and play the video data after video sender adjustment, so as to according to the video of recipient
Display environment obtains suitable video resolution, and then adjusts the video data that video sender sends out, and can not influence to broadcast
Transmission bandwidth is saved while putting quality, the process sent and received compared to traditional video, it is contemplated that video display apparatus end
Influence of the DPI information to video display apparatus, can further reduce bandwidth consumption, ensure smoothness when viewing video
Degree.
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.
Embodiment two
Corresponding to the video receiving method described in foregoing embodiments, Fig. 2 shows videos provided in an embodiment of the present invention to connect
The schematic diagram of receiving apparatus, the present embodiment can be applied to video recipient.For convenience of description, it illustrates only and the present embodiment phase
The part of pass.
Referring to Fig. 2, described device may include：Window information acquisition module 101, feedback information computing module 102, feedback
Information sending module 103, video reception module 104 and playing module 105.
Window information acquisition module 101, the display window information for obtaining each video recipient in real time, the display
Window information includes：The size of video recipient dots per inch DPI parameters and recipient's display window.
Feedback information computing module 102, for when the display window information changes, according to each video reception
The display window information of side calculates the feedback information of each video recipient.
Feedback information sending module 103, for sending each video recipient to video sender or server
Feedback information；The feedback information is used to adjust the video data of video sender output.
Video reception module 104, the video data for receiving the video sender or server output.
Playing module 105, for playing the video data in display window.
Optionally, the feedback information computing module 102 includes：Judging unit 1021 and feedback information computing unit
1022。
The judging unit 1021, the magnitude relationship for judging the recipient DPI parameters and default DPI parameters.
The feedback information computing unit 1022, for joining when the video recipient DPI parameters are less than or equal to default DPI
When number, the feedback information of video recipient is equal to the size of video recipient display window；When the video recipient DPI parameters
When more than default DPI parameters, the feedback information of video recipient is less than the size of video recipient display window.
Video receiving apparatus in the present embodiment can be used for executing video receiving method shown in FIG. 1, specific implementation
Principle may refer to above-mentioned video receiving method embodiment, and details are not described herein again.
By the way that window information acquisition module is arranged in the present embodiment two, the display window message of each video recipient is obtained
Breath, display window information includes the size of DPI parameters and recipient's display window；By the way that feedback information computing module, root is arranged
The feedback information of each video recipient is calculated according to the information of recipient's display window；By the way that Feedback information sending module is arranged,
Feedback information is sent to video sender or server, wherein feedback information is used to adjust the video counts of video sender output
According to；By setting video reception module and playing module, the video data after video sender adjustment is received and plays, so as to
It is enough that suitable video resolution is obtained according to the video display environment of recipient, and then adjust the video counts that video sender sends out
According to can save transmission bandwidth while not influencing play quality, compared to the process that traditional video sends and receives, consider
Influence of the DPI information at video display apparatus end to video display apparatus, can further reduce bandwidth consumption, ensure and see
See fluency when video.
Embodiment three
Referring to Fig. 3, the implementation process schematic diagram of the video transmission method of the embodiment of the present invention three is shown, the present embodiment can
To be applied to video sender, details are as follows：
Step S201, receives the feedback information that each video recipient is sent, and window point is obtained according to the feedback information
Resolution information；Alternatively, directly receiving the window resolution information that server is sent.
In the present embodiment, video sender needs to receive the feedback information for coming from video recipient or comes from service
The window resolution information of device, when it is the feedback information for coming from video recipient that video sender, which receives, then feedback letter
Breath is the feedback window information of each video recipient, needs calculation window resolution information according to feedback window information, described
Window resolution information is the foundation that video sender adjusts output video.Readily comprehensible, video recipient can also be direct
Receive the window resolution information for coming from server, wherein the video resolution information that server is sent is regarded according to each
What the feedback information of frequency recipient obtained.
Optionally, described that window resolution information is obtained according to the feedback information, it specifically includes：
Calculate the maximum value or average value of the feedback information of each video recipient, and by the maximum value or average value
With for window resolution information.
In the present embodiment, it when it is the feedback information of each video recipient transmission that video sender, which receives, needs
Window resolution information is obtained according to feedback information, the wherein computational methods of window resolution information can be：It calculates each
The maximum value or average value of video recipient feedback information, wherein feedback information can be the width of video recipient feedback window,
It can also be the height of video recipient feedback window, can also be the area of video recipient feedback window.
For example, in a video conference scene, video recipient includes video recipient B and video recipient C, video
The area of the feedback window of recipient B is 640*360, and the area of the feedback window of video recipient C is 640*480, works as window
When resolution information is the maximum value of each video recipient feedback information, window resolution information is equal to 640*480.Work as window
Resolution information can directly be ranked up multiple feedback informations when being the average value of each video recipient feedback information, so
After select medium sized feedback information, such as：In a video conference scene, video recipient include video recipient B,
When video recipient C and video recipient D, the area of the feedback window of video recipient B is 640*360, video recipient C's
The area of feedback window is 640*480, and the area of the feedback window of video recipient D is 640*240, then first to each video reception
The area of the feedback window of side is ranked up：640*240,640*360,640*480, the medium sized feedback information of reselection,
Namely 640*360.Readily comprehensible, the feedback window information of each video recipient can also be video recipient feedback window
The width of mouth, can also be the height of video recipient feedback window, is not construed as limiting to this.
In the present embodiment, can be come the calculation of selection window resolution ratio according to the demand of recipient's viewing video
The maximum value of feedback information or the average value of feedback information, specifically, can be obtained clearly when need to meet all recipients
Video data when, then the maximum value for calculating each video recipient feedback information is needed, by each video recipient feedback letter
The maximum value matching of breath is window resolution information；When needing to save video bandwidth, then need to calculate each video recipient
The average value matching of each video recipient feedback information is window resolution information by the average value of feedback information.When will regard
When the average value of frequency recipient's feedback information is as window resolution information, the video of video sender output can meet mostly
The viewing demand of number video recipient.
Step S202 adjusts the video data of video sender output according to the window resolution information.
In the present embodiment, after getting window resolution information, video is adjusted according to window resolution information and is sent
The size of the video data just exported.Specifically, output video regulation method can be：When window resolution information is more than video
When the size for the current video that sender sends, then increase the video data of current video sender output；Opposite, work as window
When resolution information is less than the size for the current video that video sender sends, then reduce the video of current video sender output
Data.It should be noted that the width ratio of the video height and video in the video data of video sender output should be protected
It holds constant.
Step S203 exports the video data to video recipient or server.
In the present embodiment, video sender needs the video data after adjusting after being adjusted video data
It is exported, video data is exported to video recipient or server.Herein, when the output side of video data is server
When, the transmission process of the video data of output is：Video sender, server, video recipient.Server herein can be with
For：The output video of video sender is forwarded to each video recipient by server cluster by server cluster.It is easy reason
Solution, the output side of video data can also directly be video recipient, when the output side of video data is video recipient,
The transmission process of the video data of output is：Video sender, video recipient.
In the present embodiment, the feedback information sent by receiving each video recipient is obtained according to the feedback information
Window resolution information；Alternatively, directly receiving the window resolution information that server is sent；According to the window resolution information
Adjust the video data of video sender output；The video data is exported to video recipient or server, so as to
Suitable video resolution is obtained according to the video display environment of recipient, and then adjusts the video counts that video sender sends out
According to can save transmission bandwidth while not influencing play quality, compared to the process that traditional video sends and receives, consider
Influence of the DPI information at video display apparatus end to video display apparatus, can further reduce bandwidth consumption, ensure and see
See fluency when video.
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.
Example IV
Corresponding to the video transmission method described in foregoing embodiments, Fig. 4 shows video hair provided in an embodiment of the present invention
The schematic diagram of device, the present embodiment is sent to can be applied to video sender.For convenience of description, it illustrates only and the present embodiment phase
The part of pass.
Referring to Fig. 4, described device may include：Information receiving module 201, adjustment module 202 and output module 203.
Information receiving module 201, the feedback information sent for receiving each video recipient, according to the feedback information
Obtain window resolution information；Alternatively, directly receiving the window resolution information that server is sent.
Module 202 is adjusted, the video data for adjusting video sender output according to the window resolution information.
Output module 203, for exporting the video data to video recipient or server.
Optionally, described information receiving module 201 includes：Receiving unit 2011 and window resolution computing unit 2012.
The receiving unit 2011, the feedback information sent for receiving each video recipient；Alternatively, for receiving clothes
The window resolution information that business device is sent.
The window resolution computing unit 2012, the maximum value of the feedback information for calculating each video recipient or
Average value, and be window resolution information by the maximum value or average value matching.
Video transmission device in the present embodiment can be used for executing video transmission method shown in Fig. 3, specific implementation
Principle may refer to above-mentioned video transmission method embodiment, and details are not described herein again.
The feedback information that each video recipient is sent is received by setting information receiving module in the present embodiment, according to institute
It states feedback information and obtains window resolution information；Alternatively, directly receiving the window resolution information that server is sent；By adjusting
Module adjusts the video data of video sender output according to the window resolution information；By output module by the video
Data are exported to video recipient or server, so as to obtain suitable video point according to the video display environment of recipient
Resolution, and then the video data that video sender sends out is adjusted, transmission bandwidth can be saved while not influencing play quality,
The process sent and received compared to traditional video, it is contemplated that the DPI information at video display apparatus end is to video display apparatus
It influences, can further reduce bandwidth consumption, ensure fluency when viewing video.
Embodiment five
Referring to Fig. 5, the implementation process schematic diagram of the video transmission method of the embodiment of the present invention five is shown, details are as follows：
Step S301, receives the feedback information that each video recipient is sent, and window point is obtained according to the feedback information
Resolution information.
In the present embodiment, feedback information is sent to server by video recipient, and server is obtained further according to feedback information
It must be suitable for the window resolution information of video sender, and window resolution information is sent to video sender.Wherein, root
It is obtained according to feedback information in the method and example IV of window resolution information and window resolution is obtained according to the feedback information
The method of information is identical, and specific method can be：The maximum value or average value of the feedback information of each video recipient are calculated,
In, according to the viewing demand of the user of video recipient come calculation window resolution information it is the maximum value of feedback information or anti-
The average value of feedforward information.
The window resolution information is sent to video sender by step S302.
In the present embodiment, when server is after obtaining window resolution information, window resolution information is sent to and is regarded
Frequency sender.Wherein, server is act as in this video transmission method：The feedback information for receiving video recipient, according to
Feedback information calculates the window resolution information for being suitable for video sender, and receives the video counts of video sender transmission
According to video data is forwarded to each video recipient.
Step S303 receives the video data of the video sender output and is sent to video recipient.
In the present embodiment, when video sender receive come from server transmission window resolution information after,
It needs to adjust the video data that video sender exports according to window resolution information, when the video of video sender output is less than
When the size of window resolution, the video data for increasing video sender output is needed, when the video of video sender output is big
When the size of window resolution, the video data for reducing video sender output is needed.When video sender will export number
After according to adjustment, the output data after adjustment is sent to server, the video data of reception is forwarded to respectively by server again
A video recipient.Wherein, server herein can be server cluster, for sending the video data of reception to each
Video recipient.
In the present embodiment, server receives the feedback information that each video recipient is sent, according to the feedback information
Window resolution information is obtained, the window resolution information is sent to video sender, it is defeated to receive the video sender
The video data that goes out simultaneously is sent to video recipient, to which server can be suitble to according to the video display environment of recipient
Video resolution, and video resolution is sent to video sender, and then adjust the video data that video sender sends out,
Transmission bandwidth can be saved while not influencing play quality, the process sent and received compared to traditional video, it is contemplated that
Influence of the DPI information at video display apparatus end to video display apparatus can further reduce bandwidth consumption, ensure viewing
Fluency when video.
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.
Embodiment six
Corresponding to the video transmission method described in foregoing embodiments, Fig. 6 shows that video provided in an embodiment of the present invention passes
The schematic diagram of defeated device, the present embodiment can be applied to server.For convenience of description, it illustrates only related to the present embodiment
Part.
Referring to Fig. 6, described device may include：Resolution ratio acquisition module 301, resolution ratio sending module 302 and resolution ratio
Transfer module 303.
Resolution ratio acquisition module 301, the feedback information sent for receiving each video recipient, according to the feedback letter
Breath obtains window resolution information.
Resolution ratio sending module 302, for the window resolution information to be sent to video sender.
Transfer module 303, video data for receiving video sender output are simultaneously sent to video recipient.
Video frequency transmitter in the present embodiment can be used for executing video transmission method shown in fig. 5, specific implementation
Principle may refer to above-mentioned video transmission method embodiment, and details are not described herein again.
The feedback information that each video recipient is sent is received by the way that resolution ratio acquisition module is arranged in the present embodiment, according to
The feedback information obtains window resolution information, is sent the window resolution information by the way that resolution ratio sending module is arranged
Video sender is given, the video data of video sender output is received and is sent to by the way that resolution ratio transfer module is arranged and regard
Frequency recipient, to which server can obtain suitable video resolution according to the video display environment of recipient, and by video
Resolution ratio is sent to video sender, and then adjusts the video data that video sender sends out, and can not influence play quality
While save transmission bandwidth, the process sent and received compared to traditional video, it is contemplated that the DPI at video display apparatus end believes
The influence to video display apparatus is ceased, bandwidth consumption can be further reduced, ensures fluency when viewing video.
Embodiment seven
Referring to Fig. 7, the structural schematic diagram of Video transmission system provided in an embodiment of the present invention, the system packet are shown
It includes：Video receiving apparatus 70 and video transmission device 71.
The video receiving apparatus 70, display window information for obtaining each video recipient in real time simultaneously calculate each
The feedback information of video recipient sends the feedback information of each video recipient to video sender, is regarded described in reception
The video data of frequency sender output simultaneously plays in the display window of the video recipient.
The video transmission device 71, the feedback information sent for receiving each video recipient, according to the feedback
Acquisition of information window resolution information adjusts the video data of video sender output according to the window resolution information, will
The video data is exported to video recipient.
Video receiving apparatus in the present embodiment can be used for executing video receiving method shown in FIG. 1, specific implementation
Principle may refer to above-mentioned video transmission method embodiment；Video transmission device can be used for executing video shown in Fig. 3 and send
Method, specific implementation principle may refer to above-mentioned video transmission method embodiment, and details are not described herein again.
The display window message of each video recipient can be obtained in real time by the way that video receiving apparatus is arranged in the present embodiment
The feedback information for ceasing and calculating each video recipient sends the feedback letter of each video recipient to video sender
Breath receives the video data of the video sender output and is played in the display window of the video recipient, by setting
Video transmission device is set to receive the feedback information that each video recipient is sent, window is obtained according to the feedback information and is differentiated
Rate information adjusts the video data of video sender output according to the window resolution information, the video data is exported
To video recipient, to obtain suitable video resolution according to the video display environment of recipient, and then video hair is adjusted
The video data that the side of sending is sent out can save transmission bandwidth while not influencing play quality, be sent compared to traditional video
With the process of reception, it is contemplated that influence of the DPI information at video display apparatus end to video display apparatus can further drop
Low bandwidth consumes, and ensures fluency when viewing video.
Embodiment eight
Referring to Fig. 8, the structural schematic diagram for another Video transmission system that the embodiment of the present invention eight provides is shown, it is described
System includes：Video receiving apparatus 80, video frequency transmitter 81 and video transmission device 82.
The video receiving apparatus 80, display window information for obtaining each video recipient in real time simultaneously calculate each
The feedback information of video recipient sends the feedback information of each video recipient to server, receives the server
The video data of output simultaneously plays in the display window of the video recipient.
The video frequency transmitter 81, the feedback information sent for receiving each video recipient, according to the feedback
The window resolution information is sent to video recipient by acquisition of information window resolution information, is received the video and is sent
The video data that just exports simultaneously is sent to video recipient.
The video transmission device 82, the window resolution information for receiving server transmission, according to the window point
Resolution information adjusts the video data of video sender output, and the video data is exported to server.
Video receiving apparatus in the present embodiment can be used for executing video receiving method shown in FIG. 1, specific implementation
Principle may refer to above-mentioned video transmission method embodiment；Video transmission device can be used for executing video shown in Fig. 3 and send
Method, specific implementation principle may refer to above-mentioned video transmission method embodiment；Video receiving apparatus can be used for executing Fig. 5
Shown in video transmission method, specific implementation principle may refer to above-mentioned video transmission method embodiment, details are not described herein again.
The display window message of each video recipient can be obtained in real time by the way that video receiving apparatus is arranged in the present embodiment
The feedback information for ceasing and calculating each video recipient sends the feedback letter of each video recipient to video sender
Breath receives the video data of the video sender output and is played in the display window of the video recipient, by setting
Video frequency transmitter is set to receive the feedback information that each video recipient is sent, window is obtained according to the feedback information and is differentiated
The window resolution information is sent to video recipient by rate information, receives the video data of the video sender output
And it is sent to video recipient, receive the feedback information that each video recipient is sent, root by the way that video transmission device is arranged
Window resolution information is obtained according to the feedback information, regarding for video sender output is adjusted according to the window resolution information
Frequency evidence exports the video data to video recipient, to what is be suitble to according to the acquisition of the video display environment of recipient
Video resolution, and then the video data that video sender sends out is adjusted, biography can be saved while not influencing play quality
Defeated bandwidth, the process sent and received compared to traditional video, it is contemplated that the DPI information at video display apparatus end shows video
The influence of equipment can further reduce bandwidth consumption, ensure fluency when viewing video.
Embodiment nine
Fig. 9 is the schematic diagram for the terminal device that one embodiment of the invention provides.As shown in figure 9, the terminal of the embodiment is set
Standby 9 include：Processor 90, memory 91 and it is stored in the meter that can be run in the memory 91 and on the processor 90
Calculation machine program 92, such as program.The processor 90 realizes above-mentioned each embodiment of the method when executing the computer program 92
In step, such as step S101 to S104 shown in FIG. 1.Alternatively, when the processor 90 executes the computer program 92
Realize the function of each module/unit in above-mentioned each device embodiment, such as the function of module 101 to 105 shown in Fig. 2.
Illustratively, the computer program 92 can be divided into one or more module/units, it is one or
Multiple module/units are stored in the memory 91, and are executed by the processor 90, 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
Implementation procedure of the computer program 92 in the terminal device 9 is described.For example, the computer program 92 can be divided
It is cut into window information acquisition module, feedback information computing module, Feedback information sending module, video reception module and plays mould
Block, each module concrete function are as follows：
Window information acquisition module, the display window information for obtaining each video recipient in real time, the display window
Message ceases：The size of video recipient dots per inch DPI parameters and recipient's display window；
Feedback information computing module, for when the display window information changes, according to each video recipient
Display window information calculate the feedback information of each video recipient；
Feedback information sending module, the feedback for sending each video recipient to video sender or server
Information；The feedback information is used to adjust the video data of video sender output；
Video reception module, the video data for receiving the video sender or server output；
Playing module, for playing the video data in display window.
The terminal device 9 can be that the calculating such as desktop PC, notebook, palm PC and cloud server are set
It is standby.The terminal device may include, but be not limited only to, processor 90, memory 91.It will be understood by those skilled in the art that Fig. 9
The only example of terminal device 9 does not constitute the restriction to terminal device 9, may include than illustrating more or fewer portions
Part either combines certain components or different components, such as the terminal device can also include input-output equipment, net
Network access device, bus, display etc..
Alleged processor 90 can be central processing unit (Central Processing Unit, CPU), can also be
Other general processors, digital signal processor (Digital Signal Processor, DSP), application-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 can also be any conventional processor
Deng.
The memory 91 can be the internal storage unit of the terminal device 9, such as the hard disk of terminal device 9 or interior
It deposits.The memory 91 can also be to be equipped on the External memory equipment of the terminal device 9, such as the terminal device 9
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 91 can also both include the storage inside list of the terminal device 9
Member also includes External memory equipment.The memory 91 is for storing needed for the computer program and the terminal device
Other programs and data.The memory 91 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 work(
Can unit, module division progress for example, in practical application, can be as needed and by above-mentioned function distribution by different
Functional unit, module are completed, i.e., the internal structure of described device are divided into different functional units or module, more than completion
The all or part of function of description.Each functional unit, module in embodiment can be integrated in a processing unit, also may be used
It, can also be above-mentioned integrated during two or more units are integrated in one unit to be that each unit physically exists alone
The form that hardware had both may be used in unit is realized, can also be realized in the form of SFU software functional unit.In addition, each function list
Member, the specific name of module are also only to facilitate mutually distinguish, the protection domain 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 realize that lists 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, depends on the specific application and design constraint of 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 division of logic function, formula that in actual implementation, there may be another division manner, such as
Multiple units or component 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 by some interfaces, device
Or INDIRECT COUPLING or the communication connection of unit, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated module/unit be realized in the form of SFU software functional unit and as independent product sale or
In use, can be stored in a computer read/write memory medium.Based on this understanding, the present invention realizes above-mentioned implementation
All or part of flow 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
May include：Any entity or device, recording medium, USB flash disk, mobile hard disk, magnetic of the computer program code can be carried
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 legislation in jurisdiction and the requirement of patent practice,
Such as in certain jurisdictions, according to legislation and patent practice, computer-readable medium is including being not electric carrier signal and electricity
Believe signal.
Embodiment described above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although with reference to aforementioned reality
Applying example, invention is explained in detail, it will be understood by those of ordinary skill in the art that：It still can be to aforementioned each
Technical solution recorded in embodiment is modified or equivalent replacement of some of the technical features；And these are changed
Or replace, the spirit and scope for various embodiments of the present invention technical solution 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 (15)
1. a kind of video receiving method, which is characterized in that including：
The display window information of each video recipient is obtained in real time, and the display window information includes：Video recipient is per English
The size of very little points DPI parameters and recipient's display window；
When the display window information changes, each video is calculated according to the display window information of each video recipient
The feedback information of recipient；
The feedback information of each video recipient is sent to video sender or server；The feedback information is for adjusting
The video data of video sender output；
It receives the video data of the video sender or server output and is broadcast in the display window of the video recipient
It puts.
2. video receiving method as described in claim 1, which is characterized in that the display window according to each video recipient
Message breath calculates the feedback information of each video recipient, specifically includes：
Judge the magnitude relationship of the video recipient DPI parameters and default DPI parameters；
When the video recipient DPI parameters are less than or equal to default DPI parameters, the feedback information of video recipient is equal to video
The size of recipient's display window；When the video recipient DPI parameters are more than default DPI parameters, video recipient it is anti-
Feedforward information is less than the size of video recipient display window.
3. a kind of video receiving apparatus, which is characterized in that including：
Window information acquisition module, the display window information for obtaining each video recipient in real time, the display window message
Breath includes：The size of video recipient dots per inch DPI parameters and recipient's display window；
Feedback information computing module, for when the display window information changes, according to the aobvious of each video recipient
Show that window information calculates the feedback information of each video recipient；
Feedback information sending module, the feedback letter for sending each video recipient to video sender or server
Breath；The feedback information is used to adjust the video data of video sender output；
Video reception module, the video data for receiving the video sender or server output；
Playing module, for playing the video data in display window.
4. video receiving apparatus as claimed in claim 3, which is characterized in that the feedback information computing module includes：Judge
Unit and feedback information computing unit；
The judging unit, the magnitude relationship for judging the recipient DPI parameters and default DPI parameters；
The feedback information computing unit is used for when the video recipient DPI parameters are less than or equal to default DPI parameters, depending on
The feedback information of frequency recipient is equal to the size of video recipient display window；When the video recipient DPI parameters are more than in advance
If when DPI parameters, the feedback information of video recipient is less than the size of video recipient display window.
5. a kind of video transmission method, which is characterized in that including：
The feedback information that each video recipient is sent is received, window resolution information is obtained according to the feedback information；Alternatively,
Directly receive the window resolution information that server is sent；
The video data of video sender output is adjusted according to the window resolution information；
The video data is exported to video recipient or server.
6. video transmission method as claimed in claim 5, which is characterized in that described to obtain window point according to the feedback information
Resolution information, specifically includes：
The maximum value or average value of the feedback information of each video recipient are calculated, and is by the maximum value or average value matching
Window resolution information.
7. a kind of video transmission device, which is characterized in that including：
Information receiving module, the feedback information sent for receiving each video recipient obtain window according to the feedback information
Mouth resolution information；Alternatively, directly receiving the window resolution information that server is sent；
Module is adjusted, the video data for adjusting video sender output according to the window resolution information；
Output module, for exporting the video data to video recipient or server.
8. video transmission device as claimed in claim 7, which is characterized in that described information receiving module includes：Receiving unit
With window resolution computing unit；
The receiving unit, the feedback information sent for receiving each video recipient；Alternatively, for receiving server transmission
Window resolution information；
The window resolution computing unit, the maximum value or average value of the feedback information for calculating each video recipient,
And it is window resolution information to match the maximum value or average value.
9. a kind of video transmission method, which is characterized in that including：
The feedback information that each video recipient is sent is received, window resolution information is obtained according to the feedback information；
The window resolution information is sent to video sender；
It receives the video data of the video sender output and is sent to video recipient.
10. a kind of video frequency transmitter, which is characterized in that including：
Resolution ratio acquisition module, the feedback information sent for receiving each video recipient, obtains according to the feedback information
Window resolution information；
Resolution ratio sending module, for the window resolution information to be sent to video sender；
Transfer module, video data for receiving video sender output are simultaneously sent to video recipient.
11. a kind of Video transmission system, which is characterized in that including：Video receiving apparatus and video transmission device；
The video receiving apparatus, display window information for obtaining each video recipient in real time simultaneously calculate each video and connect
The feedback information of debit sends the feedback information of each video recipient to video sender, receives the video and sends
The video data that just exports simultaneously plays in the display window of the video recipient；
The video transmission device, the feedback information sent for receiving each video recipient, is obtained according to the feedback information
Window resolution information is taken, the video data of video sender output is adjusted according to the window resolution information, is regarded by described in
Frequency is according to output to video recipient.
12. a kind of Video transmission system, which is characterized in that including：Video receiving apparatus, video frequency transmitter and video send dress
It sets；
The video receiving apparatus, display window information for obtaining each video recipient in real time simultaneously calculate each video and connect
The feedback information of debit sends the feedback information of each video recipient to server, receives the server output
Video data simultaneously plays in the display window of the video recipient；
The video frequency transmitter, the feedback information sent for receiving each video recipient, is obtained according to the feedback information
Window resolution information is taken, the window resolution information is sent to video recipient, receives the video sender output
Video data and be sent to video recipient；
The video transmission device, the window resolution information for receiving server transmission are believed according to the window resolution
The video data of breath adjustment video sender output, the video data is exported to server.
13. a kind of computer readable storage medium, the computer-readable recording medium storage has computer program, feature to exist
In the step of computer program realizes method as claimed in claim 1 or 2 when being executed by processor.
14. a kind of computer readable storage medium, the computer-readable recording medium storage has computer program, feature to exist
In realization is such as the step of claim 5 or 6 the method when the computer program is executed by processor.
15. a kind of computer readable storage medium, the computer-readable recording medium storage has computer program, feature to exist
In the step of computer program realizes method as claimed in claim 9 when being executed by processor.
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| CN111083529A (en) * | 2019-12-31 | 2020-04-28 | 联想(北京)有限公司 | Data processing method, image acquisition device and electronic equipment |
| CN111314624A (en) * | 2018-12-11 | 2020-06-19 | 杭州海康威视数字技术股份有限公司 | Preview picture generation method, device, hard disk video recorder and storage medium |
| CN113014858A (en) * | 2021-03-05 | 2021-06-22 | 深圳壹秘科技有限公司 | Method, system and device for changing resolution |
| CN114143188A (en) * | 2021-11-18 | 2022-03-04 | 深圳大学 | Video processing method and device, electronic equipment and storage medium |
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