CN113810652A - Method and system for on-wall display of conference - Google Patents
Method and system for on-wall display of conference Download PDFInfo
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- CN113810652A CN113810652A CN202111093826.3A CN202111093826A CN113810652A CN 113810652 A CN113810652 A CN 113810652A CN 202111093826 A CN202111093826 A CN 202111093826A CN 113810652 A CN113810652 A CN 113810652A
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000004891 communication Methods 0.000 claims abstract description 10
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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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
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
Abstract
The invention discloses a method and a system for on-wall display of a conference, belonging to the field of video multimedia communication and comprising the following steps: s1: the video conference platform receives the video signal, generates a video stream and sends the video stream to the video wall server; wherein the video stream comprises a plurality of video signals; s2: the video wall server decodes the video stream, performs layout setting on the video signal, and sends the set layout information and the decoded video stream to the splicer; s3: the splicer performs corresponding layout on the video stream according to the received layout information and displays the video stream; the splicer has multiple input channels and multiple output channels, and can receive and transmit multiple paths of video data. The invention can realize the on-wall display of the picture of the ultra-large-scale conference and the monitoring equipment by combining the video conference platform with the television wall server and the single splicer.
Description
Technical Field
The invention belongs to the field of video multimedia communication, and particularly relates to a method and a system for realizing on-wall display of a super-large-scale conference through a single television wall splicer.
Background
At present, with the rapid development of networking, large-scale network conferences are used in the fields of various governments, enterprises and the like, and for example, instructions of superior leader departments are transmitted, and communication among various network points of the enterprises and the like can be solved by using a large-screen on-wall display system. Through a complete conference large-screen on-wall display system, the functions of online network conference, high-definition display, simultaneous input of multiple computer signals, video conference, sound playing and the like can be achieved.
In the existing commanding and scheduling scene, the requirement of realizing the display of a far-end video on the wall through the mode that equipment such as a monitoring camera passes through a network or a physical connecting line and the mode that a plurality of matrixes are connected with each other is mostly realized, but the requirement is limited by the capacity of a splicer, the control is not flexible enough in practical use, the display scale of the video on the wall is realized by the mode that a plurality of hardware are butted, the more videos need to be realistic, and the more splicing and controlling equipment is needed correspondingly.
The existing video on-wall display mode has the following disadvantages
1. The method only realizes the on-wall display of video forms such as ultra-large-scale monitoring videos and the like, does not realize the on-wall display of ultra-large-scale conference pictures, realizes single service types, and cannot meet the requirements of users on ultra-large-scale conference scenes;
2. the traditional method for carrying out ultra-large-scale video wall-mounting is limited by the capacity of a splicer or a matrix, and is realized by connecting a plurality of splicing control or matrix devices;
3. the original equipment control mode has large limitation and single control capability, and can not meet the requirement of a user on arbitrary combination of pictures.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
The invention aims to provide a method and a system for on-wall display of a conference, which can realize on-wall display of pictures of a super-large-scale conference and monitoring equipment by combining a video conference platform with a video wall server and a single splicer for scenes such as a large-scale network video conference, command scheduling and the like in which a plurality of people participate.
In order to achieve the above object, the present invention provides a method for displaying on a wall in a conference, which is applied to a system consisting of a video wall server, a splicer and a video conference platform, and comprises the following steps:
s1: the video conference platform receives the video signal, generates a video stream and sends the video stream to the video wall server; wherein the video stream comprises a plurality of video signals;
s2: the video wall server decodes the video stream, performs layout setting on the video signal, and sends the set layout information and the decoded video stream to the splicer; wherein the layout information includes layout combination information and position information of video display;
s3: the splicer performs corresponding layout on the video stream according to the received layout information and displays the video stream; the splicer has multiple input channels and multiple output channels, and can receive and transmit multiple paths of video data.
Further, the video conference platform is connected with the terminal device and is used for receiving the video signal sent by the terminal device.
Further, in step S2, the process of setting the layout of the video signal by the video wall server includes: performing layout combination on a screen according to actual requirements to obtain layout combination information; and carrying out rapid appointed operation on the picture or screen attribute to obtain the position information of video display.
Further, the splicer comprises an IP decoding card and a plurality of output cards, wherein the IP decoding card is provided with a plurality of input channels for receiving a plurality of video signals.
Further, before the step S1, the method further includes: and the video wall server establishes a communication relation with the video conference platform in a conference form and calls terminal equipment on the video conference platform.
The invention also provides a system for displaying on the wall in a conference, which comprises a television wall server, a splicer and a video conference platform;
the video conference platform is used for receiving the video signals, generating video streams and sending the video streams to the splicer; wherein the video stream comprises a plurality of video signals;
the television wall server is used for decoding the video stream, performing layout setting on video signals of the video stream, and sending the set layout information and the decoded video stream to the splicer; wherein the layout information includes layout combination information and position information of video display;
the splicer is used for carrying out corresponding layout on the video stream according to the received layout information and displaying the video stream; the splicer has multiple input channels and multiple output channels, and can receive and transmit multiple paths of video data.
Further, the video conference platform is connected with the terminal device and is used for receiving the video signal sent by the terminal device.
Further, the television wall server is also used for performing layout combination on the screen according to actual requirements to obtain layout combination information; and carrying out rapid appointed operation on the picture or screen attribute to obtain the position information of video display.
Further, the splicer comprises an IP decoding card and a plurality of output cards, wherein the IP decoding card is provided with a plurality of input channels for receiving a plurality of video signals.
Furthermore, the video wall server is also used for establishing a communication relationship with the video conference platform in the form of a conference and calling in the terminal equipment on the video conference platform.
The method and the system for displaying on the wall in the conference have the following beneficial effects that:
1. the video conference system has the advantages that through the combination of the video conference platform, the video wall server and the splicer, the on-wall display of the ultra-large-scale video conference is realized, and meanwhile, the display can be realized by supporting the arbitrary access of a plurality of paths of terminals with different protocol types;
2. the limitation that the wall mounting of the super-large-scale video picture can be realized only by connecting a plurality of splicers is broken through, and the wall mounting of the original super-large-scale video picture can be realized only by one splicing device;
3. the limitation of the original equipment control mode is broken through, the control modes of various modes are provided for users, and the requirement of the users for randomly controlling the picture is met.
Drawings
Fig. 1 is a flowchart of a method for displaying on-wall conference in the present embodiment.
Fig. 2 is a schematic diagram of a system for on-wall display of a conference in the present embodiment.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments in order to make the technical field better understand the scheme of the present invention.
As shown in fig. 1, an embodiment of the present invention is a method for displaying on a wall in a conference, which is applied to a system composed of a video wall server 1, a splicer 2 and a video conference platform 3, where the video wall server 1 is connected with the splicer 2 and the video conference platform 3 through a local area network or the internet. The splicer 2 can realize capacity expansion through any combination configuration, and achieve the effect of displaying pictures with larger paths on the wall.
After the connection is established, when a super-large-scale video conference or command scheduling requirement exists, an administrator can establish a communication relationship with the video conference platform 3 in a conference mode through the video wall server 1 and call in a corresponding video conference or monitoring terminal equipment on the video conference platform 3.
The method for displaying on the wall of the conference comprises the following steps:
s1: the video conference platform 3 receives the video signal, generates a video stream, and transmits the video stream to the video wall server 1. The video stream generated by the video conference platform 3 includes multiple video signals.
The video conference platform 3 may be connected to various types of terminal devices (e.g., conference room terminals, monitoring devices, PCs, and mobile phones) through a local area network or an internet, and is configured to receive video signals sent by the terminal devices.
The video conference platform 3, after receiving a request from the video wall server 1, transmits a video stream to the video wall server 1 via a network (local area network or public network).
S2: the video wall server 1 decodes the video stream, performs layout setting on the video signal of the video stream, and transmits the set layout information and the decoded video stream to the splicer 2. Wherein the layout information includes layout combination information and position information of the video display.
The video wall server 1 is a server which can be used to receive the video stream of the video conference platform 3, and establishes a connection with the video conference platform 3 through a network (local area network or public network), and the communication protocol for establishing the connection is the standard communication protocol of SIP/H323. After the connection is established, the administrator can start a conference on the video wall server 1; when a conference is started, the video wall server 1 requests the video conference platform 3 for a video stream corresponding to the conference according to information such as a conference number.
The video wall server 1 decodes the video signal of the video stream after receiving the video stream, the decoding process adopts a full-encoding full-decoding mode, decoding is not dependent on an IP decoding card of a splicer, the splicer has decoding capability although the decoding card is arranged, but in the invention, the splicer only has the function of receiving the decoded signal and does not have other purposes.
When the layout is set, an administrator can perform any layout combination on the screen according to actual requirements to obtain layout combination information, and perform rapid appointed operation on pictures (pictures of participants) or screen attributes to obtain position information of video display, so as to realize rapid on-wall display of the pictures.
The administrator may make any layout combination, only need to conform to the rectangle rules, and need not follow a specific layout pattern, for example, the layout combination may be 1 × 2, 2 × 1, 2 × 2, 3 × 3, 4 × 4, and so on.
The quick assignment operation by the administrator includes the following operations: 1. the rapid designation is realized by rapidly dragging the participants from the participant list in a mouse or other modes; 2. the rapid interchange among the pictures is realized by dragging the display window lattices; 3. through clicking the pane for multiple times, the attribute or the picture of the pane can be directly specified, and the fast specification of the picture is realized. The purpose is to set position information for the video signal to be displayed in the layout.
S3: after receiving the set layout information and the decoded video stream, the splicer 2 performs corresponding layout on the video stream according to the received layout information and performs on-wall display on the video stream. The splicer 2 has a plurality of input channels and a plurality of output channels, and can receive a plurality of video data transmitted by the video wall server 1 and transmit the plurality of video data.
After receiving the video stream, the splicer 2 displays the multiple paths of video signals on the display according to the position information of the video signal display set by the administrator.
Specifically, the splicer 2 includes an IP decoding card and a plurality of output cards. The IP decoding card has multiple input channels, and thus can receive multiple video signals. After receiving the video signals, the output card displays the multiple paths of video signals on the display in an HDMI output mode.
The number of input channels and output cards of the IP decoding cards of the splicer 2 determines the number of pictures that can be displayed on the wall finally, and the number of input channels and output cards of the IP decoding cards of the splicer 2 can be configured in any combination according to actual needs.
By the method for displaying the video conference on the wall, the video conference pictures on the wall at the same time in an ultra-large scale can be realized, the accumulation and the connection among the devices are fully reduced, and the access requirements of different types of terminals can be met by connecting the video conference platform 3 with various types of terminal devices. In addition, the administrator can combine the layouts and quickly specify the operation on the television wall server 1, and the arbitrary control requirements of the users on different types of equipment are fully met.
The invention also provides a system for displaying on the wall in a conference, which comprises a television wall server 1, a splicer 2 and a video conference platform 3, wherein the television wall server 1, the splicer 2 and the video conference platform 3 are connected in a local area network or internet mode.
And the video conference platform 3 is used for receiving the video signal, generating a video stream and sending the video stream to the video wall server 1. The video stream generated by the video conference platform 3 includes multiple video signals.
Specifically, the video conference platform 3 is connected to various types of terminal devices 4 (e.g., conference room terminals, monitoring devices, PCs, and mobile phones) by way of a local area network or the internet, and is capable of receiving video signals transmitted by the terminal devices.
The video conference platform 3 sends a video signal to the video wall server 1 through a network (local area network or public network) according to the request of the video wall server 1.
And the video wall server 1 is used for receiving the video signal sent by the video conference platform 3, decoding the video signal and generating a video stream. The video stream generated by the video wall server 1 includes multiple video signals.
Specifically, the video wall server 1 is a server that can be used to receive a video stream of the video conference platform 3, and establishes a connection with the video conference platform 3 through a network (local area network or public network). After the connection is established, an administrator can start a conference on the video wall server 1, and when the conference is started, the video wall server 1 requests the video conference platform 3 for a video stream corresponding to the conference according to information such as a conference number.
The video wall server 1 decodes the video signal of the video stream after receiving the video stream, the decoding process adopts a full-encoding full-decoding mode, decoding is not dependent on an IP decoding card of a splicer, the splicer has decoding capability although the decoding card is arranged, but in the invention, the splicer only has the function of receiving the decoded signal and does not have other purposes.
In addition, when the layout is set, an administrator can perform any layout combination on the screen according to actual requirements to obtain layout combination information, and perform rapid specified operation on pictures (pictures of participants) or screen attributes to obtain position information of video display, so as to realize rapid on-wall display of the pictures.
The administrator may perform any layout, only need to conform to the rectangle rule, and need not follow a specific layout pattern, for example, the layout combination may be 1 × 2, 2 × 1, 2 × 2, 3 × 3, 4 × 4, and so on.
The quick assignment operation by the administrator includes the following operations: 1. the rapid designation is realized by rapidly dragging the participants from the participant list in a mouse or other modes; 2. the rapid interchange among the pictures is realized by dragging the display window lattices; 3. through clicking the pane for multiple times, the attribute or the picture of the pane can be directly specified, and the fast specification of the picture is realized. The purpose is to set position information for the video signal to be displayed in the layout.
And the splicer 2 is used for receiving the set layout information and the decoded video stream, then carrying out corresponding layout on the video stream according to the received layout information, and carrying out on-wall display on the video stream.
The splicer 2 has a plurality of input channels and a plurality of output channels, can receive a plurality of video data transmitted by the video wall server 1 and transmit the plurality of video data, and is connected with the display 5 for displaying the video data.
After receiving the video stream, the splicer 2 displays the multiple paths of video signals on the display according to the position information of the video signal display set by the administrator.
Specifically, the splicer 2 includes an IP decoding card and a plurality of output cards. The IP decoding card has multiple input channels, and thus can receive multiple video signals. After receiving the video signals, the output card displays the multiple paths of video signals on the display in an HDMI output mode.
The number of input channels and output cards of the IP decoding cards of the splicer 2 determines the number of pictures that can be displayed on the wall finally, and the number of input channels and output cards of the IP decoding cards of the splicer 2 can be configured in any combination according to actual needs.
The system for displaying on the wall in the conference can realize that the ultra-large-scale video conference pictures are simultaneously displayed on the wall, and fully reduces the accumulation and connection among the devices.
The inventive concept is explained in detail herein using specific examples, which are given only to aid in understanding the core concepts of the invention. It should be understood that any obvious modifications, equivalents and other improvements made by those skilled in the art without departing from the spirit of the present invention are included in the scope of the present invention.
Claims (10)
1. A method for displaying on the wall in a conference is applied to a system consisting of a video wall server, a splicer and a video conference platform, and is characterized by comprising the following steps:
s1: the video conference platform receives the video signal, generates a video stream and sends the video stream to the video wall server; wherein the video stream comprises a plurality of video signals;
s2: the video wall server decodes the video stream, performs layout setting on the video signal, and sends the set layout information and the decoded video stream to the splicer; wherein the layout information includes layout combination information and position information of video display;
s3: the splicer performs corresponding layout on the video stream according to the received layout information and displays the video stream; the splicer has multiple input channels and multiple output channels, and can receive and transmit multiple paths of video data.
2. The method for displaying on the wall in the conference as claimed in claim 1, wherein the video conference platform is connected to the terminal device by way of a local area network or the internet, and is configured to receive the video signal transmitted by the terminal device.
3. The method for displaying on the wall in the conference as claimed in claim 1, wherein in the step S2, the video wall server performing layout setting on the video signal includes: performing layout combination on a screen according to actual requirements to obtain layout combination information; and carrying out rapid appointed operation on the picture or screen attribute to obtain the position information of video display.
4. The method for on-wall display of a conference as claimed in claim 1, wherein said splicer comprises an IP decoder card and a plurality of output cards, said IP decoder card having a plurality of input channels for receiving a plurality of video signals.
5. The method for displaying on the wall in the conference according to claim 1, wherein the step S1 is preceded by the step of: and the video wall server establishes a communication relation with the video conference platform in a conference form and calls terminal equipment on the video conference platform.
6. A conference on-wall display system is characterized by comprising a video wall server, a splicer and a video conference platform;
the video conference platform is used for receiving the video signals, generating video streams and sending the video streams to the splicer; wherein the video stream comprises a plurality of video signals;
the television wall server is used for decoding the video stream, performing layout setting on video signals of the video stream, and sending the set layout information and the decoded video stream to the splicer; wherein the layout information includes layout combination information and position information of video display;
the splicer is used for carrying out corresponding layout on the video stream according to the received layout information and displaying the video stream; the splicer has multiple input channels and multiple output channels, and can receive and transmit multiple paths of video data.
7. The system for on-wall display in conference as claimed in claim 6, wherein the video conference platform is connected to the terminal device for receiving the video signal transmitted by the terminal device.
8. The system for on-wall display of conference as claimed in claim 6, wherein the video wall server is further configured to perform layout combination on the screens according to actual requirements to obtain layout combination information; and carrying out rapid appointed operation on the picture or screen attribute to obtain the position information of video display.
9. The system for on-wall display of a conference as claimed in claim 6, wherein said splicer comprises an IP decoder card and a plurality of output cards, said IP decoder card having a plurality of input channels for receiving a plurality of video signals.
10. The system for displaying on the wall in the conference as claimed in claim 6, wherein the video wall server is further configured to establish a communication relationship with the video conference platform in the form of a conference, and call in a terminal device on the video conference platform.
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| CN202111093826.3A CN113810652A (en) | 2021-09-17 | 2021-09-17 | Method and system for on-wall display of conference |
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