CN113301293A - Multi-screen bidirectional 4K communication method and system for video conference - Google Patents
Multi-screen bidirectional 4K communication method and system for video conference Download PDFInfo
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- CN113301293A CN113301293A CN202110524365.4A CN202110524365A CN113301293A CN 113301293 A CN113301293 A CN 113301293A CN 202110524365 A CN202110524365 A CN 202110524365A CN 113301293 A CN113301293 A CN 113301293A
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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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
- H04L65/403—Arrangements for multi-party communication, e.g. for conferences
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/70—Media network packetisation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
- H04L65/762—Media network packet handling at the source
Abstract
The invention discloses a multi-screen bidirectional 4K communication method and a multi-screen bidirectional 4K communication system for a video conference, wherein the multi-screen bidirectional 4K communication method for the video conference is realized based on a display terminal, and the multi-screen bidirectional 4K communication method for the video conference comprises the following steps: before a conference begins, a first 4K conference room terminal and a plurality of second 4K conference room terminals are respectively in communication connection with a video server, the first 4K conference room terminal is respectively in communication connection with a plurality of first display terminals, and the second 4K conference room terminal is respectively in communication connection with a plurality of second display terminals. After a conference starts, the first 4K conference room terminal and the plurality of second 4K conference room terminals respectively perform multi-stream coding on a local video picture and send the multi-stream coding to the video server, and the first 4K conference room terminal receives video coding data of the plurality of second 4K conference room terminals sent by the video server. Therefore, the multi-screen bidirectional 4K communication method for the video conference greatly improves the conference picture effect and improves the research and judgment accuracy.
Description
Technical Field
The invention relates to the technical field of video multimedia communication, in particular to a multi-screen bidirectional 4K communication method and a multi-screen bidirectional 4K communication system for a video conference.
Background
In the existing large-scale video conference and the scene of commanding and scheduling, ultra-high definition pictures need to be provided for the participants at certain moments to provide important basis for study and judgment analysis, so that a user needs to access a 4K conference room terminal before a meeting, decode a video stream transmitted to the local from a far end through the special 4K conference room terminal, and then display the video stream on a screen. Generally, one 4K conference room terminal can decode 1 channel of 4K pictures due to the limitations of the terminal output interface and the decoding capability.
The existing 4K conference room terminal for decoding the 4K conference picture has the following disadvantages:
1. because the output interface and the decoding capability of the terminal are limited, one 4K conference room terminal can only decode and output 1 channel of 4K conference pictures;
2. the video decoding capability of the display terminal can not be fully exerted and utilized, and certain waste is caused to resources.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a multi-screen bidirectional 4K communication method and a multi-screen bidirectional 4K communication system for a video conference, which greatly improve the conference picture effect and improve the research and judgment accuracy.
In order to achieve the above object, in one aspect, the present invention provides a multi-screen bidirectional 4K communication method for a video conference, which is implemented based on a display terminal, and includes: before a conference begins, a first 4K conference room terminal and a plurality of second 4K conference room terminals are respectively in communication connection with a video server, the first 4K conference room terminal is respectively in communication connection with a plurality of first display terminals, and the second 4K conference room terminal is respectively in communication connection with a plurality of second display terminals. After a conference starts, the first 4K conference room terminal and the plurality of second 4K conference room terminals respectively perform multi-stream coding on a local video picture and send the multi-stream coding to the video server, and the first 4K conference room terminal receives video coding data of the plurality of second 4K conference room terminals sent by the video server. The first 4K conference room terminal sends video coding data to the plurality of first display terminals. The plurality of first display terminals display the decoded video. The multi-stream coding includes 4K coding.
In one embodiment of the present invention, a first 4K conference room terminal transmits video encoded data to a plurality of first display terminals, further comprising: judging whether the multi-stream coding comprises 4K coding, if not, sending video coding data to a plurality of first display terminals by a first 4K conference room terminal according to a first preset decoding mode, and if not, sending the video coding data to the plurality of first display terminals by the first 4K conference room terminal or not; and if the 4K codes are included, the first 4K conference room terminal sends the video coded data to the plurality of first display terminals according to a second preset decoding mode.
In an embodiment of the present invention, the first predetermined decoding method includes: and the first 4K conference room terminal decodes the non-4K coded stream of the video stream to be displayed by the first display terminals and sends the decoded video coded data to the first display terminals.
In an embodiment of the present invention, before decoding in the second preset decoding method, the method includes: and the first 4K conference room terminal performs 4K decoding on the main video, sends decoded video coding data to a first display terminal to be displayed with the main video stream in the first display terminals, and updates the video stream to be displayed in the first display terminals.
In an embodiment of the present invention, the second predetermined decoding method includes: and the first 4K conference room terminal respectively sends 4K coded data of the video stream to be displayed to the first display terminals, and the first display terminals perform 4K decoding.
In one embodiment of the present invention, the plurality of first display terminals and the plurality of second display terminals are 4K display devices, and each of the plurality of first display terminals and the plurality of second display terminals has 4K video decoding software built therein.
In another aspect, the present invention provides a multi-screen bidirectional 4K communication system for a video conference, including: the system comprises a video server, a first 4K conference room terminal, a plurality of first 4K televisions, a second 4K conference room terminal and a plurality of second 4K televisions. The first 4K conference room terminal is in communication connection with the video server. And the plurality of first 4K televisions are respectively in communication connection with the first 4K conference terminals. And the second 4K conference room terminals are respectively in communication connection with the video server. And the plurality of second 4K televisions are respectively in communication connection with the second 4K conference terminals. The first 4K conference room terminal and the plurality of second 4K conference room terminals respectively perform multi-stream coding on the local video pictures and send the local video pictures to the video server. The first 4K conference room terminal receives video coding data of the second 4K conference room terminal sent by the video server. The first 4K conference room terminal sends video coding data to the first 4K televisions. Wherein the plurality of first 4K televisions display the decoded video.
In one embodiment of the present invention, the 4K video decoding software is incorporated in each of the plurality of first 4K televisions and the plurality of second 4K televisions, and the method further includes, after the first 4K conference room terminal transmits the video encoded data to the plurality of first 4K televisions: and the first 4K televisions carry out 4K decoding on the video coded data to be displayed.
Compared with the prior art, according to the multi-screen bidirectional 4K communication method and the system for the video conference, the original resource limitation of 4K decoding through the conference room terminal is broken through, resources are reasonably utilized, the conference picture effect is greatly improved, the research and judgment efficiency of participants on certain events is effectively improved through improving the conference picture effect, the research and judgment accuracy is improved, and the conference experience is greatly improved.
Drawings
Fig. 1 is a flowchart illustrating a multi-screen bidirectional 4K communication method for a video conference according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a wire-frame structure of a multi-screen bidirectional 4K communication system for a video conference according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an electronic device for performing a multi-screen bidirectional 4K communication method for a video conference according to an embodiment of the present invention.
Description of the main reference numerals:
the system comprises a video server 1, a first 4K conference room terminal 2, a second 4K conference room terminal 3, a first 4K television 4 and a second 4K television 5.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
Fig. 1 is a flowchart illustrating a multi-screen bidirectional 4K communication method for a video conference according to an embodiment of the present invention. As shown in fig. 1, in a first aspect, the present invention provides a multi-screen bidirectional 4K communication method for a video conference, which is implemented based on a display terminal, and the multi-screen bidirectional 4K communication method for the video conference includes: and S1, before the conference starts, the first 4K conference room terminal 2 and the plurality of second 4K conference room terminals 3 are respectively in communication connection with the video server 1, the first 4K conference room terminal 2 is respectively in communication connection with the plurality of first display terminals, and the second 4K conference room terminal 3 is respectively in communication connection with the plurality of second display terminals. S2, after the conference starts, the first 4K conference room terminal 2 and the plurality of second 4K conference room terminals 3 respectively perform multi-stream coding on the local video picture and send the local video picture to the video server 1, and the first 4K conference room terminal 2 receives video coded data of the plurality of second 4K conference room terminals 3 sent by the video server 1. S3, the first 4K conference room terminal 2 transmits the video encoded data to the plurality of first display terminals. S4, the plurality of first display terminals display the decoded video. The multi-stream coding includes 4K coding.
As an example, the display terminal may be a 4K television, a smart terminal, or other display device.
As an example, the multi-stream coding includes multi-stream coding of different resolutions of a unified video, and can be freely selected according to situations to solve problems such as network congestion, insufficient bandwidth, and image absence and jamming caused by situations where an individual terminal does not support 4K display.
In an embodiment of the present invention, the first 4K conference room terminal 2 transmits video encoded data to a plurality of first display terminals, and further includes: judging whether the multi-stream coding comprises 4K coding, if not, sending video coding data to a plurality of first display terminals by a first 4K conference room terminal 2 according to a first preset decoding mode, and if not, sending the video coding data to the plurality of first display terminals by the 4K coding or the plurality of first display terminals; if the 4K codes are included, the first 4K conference room terminal 2 sends the video coded data to the first display terminals according to a second preset decoding mode.
The plurality of second 4K conference room terminals respectively have the same functions as the first 4K conference room terminals, and the transmission and reception modes can be the same.
The number of the second 4K conference room terminals is determined by the number of the conference terminals, and at least one of the second 4K conference room terminals should be provided to communicate with the first 4K conference room terminal 2.
In an embodiment of the present invention, the first predetermined decoding method includes: the first 4K conference room terminal 2 decodes non-4K encoded streams of the video streams to be displayed by the plurality of first display terminals, and transmits the decoded video encoded data to the plurality of first display terminals.
In an embodiment of the present invention, before decoding in the second preset decoding method, the method includes: the first 4K conference room terminal 2 performs 4K decoding on the main video, sends decoded video coded data to the first display terminal of the plurality of first display terminals, which is to display the main video stream, and updates the video stream to be displayed in the plurality of first display terminals.
In an embodiment of the present invention, the second predetermined decoding method includes: the first 4K conference room terminal 2 transmits 4K encoded data of a video stream to be displayed to the plurality of first display terminals, respectively, and the plurality of first display terminals perform 4K decoding.
As an example, the first 4K conference room terminal 2 receives a plurality of streams such as a video stream and a shared stream, and the first 4K conference room terminal is communicatively connected to three first 4K televisions, wherein the first 4K television is to display the video stream V1, the second 4K television is to display the video streams V1 and V2, and the third 4K television is to display the video streams V2 and V3. At this time, the video streams to be displayed by the plurality of first display terminals are three streams, namely V1, V2 and V3. The first 4K conference room terminal confirms the main video stream, which can be confirmed according to the modes of the main speaker, the shared stream, the voice excitation, the host designation, and the like. For example, the main video stream is V1, the first 4K conference room terminal 4K decodes V1, and transmits the decoded video encoding data, i.e., V1 video stream, to the first 4K television and the second 4K television.
After that, the video streams to be displayed in the three first 4K televisions are updated, because the V1 video stream has been decoded for display, i.e., the updated video streams to be displayed are V2 and V3.
At this time, according to the second preset decoding mode, 4K coded data of the V2 video stream can be transmitted to the second first 4K television, and 4K coded data of the V2 and V3 video streams can be transmitted to the third first 4K television.
For example, in the case of supporting a 4K display terminal in accordance with the network situation, the number of first display terminals, and the number of video streams to be displayed, the number of main video streams may be plural, and the first 4K conference room terminal 2 performs 4K decoding on the plural main video streams to reduce the number of video streams to be displayed after updating, thereby preventing an individual first 4K television from bearing excessive decoding pressure, and equally allocating the number of video streams to be decoded for each terminal and display terminal.
The plurality of first display terminals and the plurality of second display terminals are 4K display devices, and 4K video decoding software is arranged in each display device.
The first display terminal can be a 4K television, and 4K video decoding software and/or non-4K video decoding software can be installed in various ways.
Fig. 2 is a schematic diagram of a wire-frame structure of a multi-screen bidirectional 4K communication system for a video conference according to an embodiment of the present invention. As shown in fig. 2, in a second aspect, the present invention provides a multi-screen bidirectional 4K communication system for a video conference, including: the video server 1, the first 4K conference room terminal 2, a plurality of first 4K televisions 4, the second 4K conference room terminal 3 and a plurality of second 4K televisions 5. The first 4K conference room terminal 2 is communicatively connected to the video server 1. The plurality of first 4K televisions 4 are respectively in communication connection with the first 4K conference terminals. And the second 4K conference room terminals 3 are respectively in communication connection with the video server 1. And the plurality of second 4K televisions 5 are respectively in communication connection with the second 4K conference terminals. The first 4K conference room terminal 2 and the plurality of second 4K conference room terminals 3 respectively perform multi-stream coding on the local video picture and send the local video picture to the video server 1. The first 4K conference room terminal 2 receives the video encoding data of the second 4K conference room terminal 3 sent by the video server 1. The first 4K conference room terminal 2 transmits video encoded data to the plurality of first 4K televisions 4. Among them, the plurality of first 4K televisions 4 display the decoded video.
In an embodiment of the present invention, the 4K video decoding software is incorporated in each of the plurality of first 4K televisions 4 and the plurality of second 4K televisions 5, and the first 4K conference room terminal 2 transmits video encoded data to the plurality of first 4K televisions 4, and further includes: the plurality of first 4K televisions 4 perform 4K decoding on video encoded data to be displayed.
In a third aspect, an embodiment of the present invention further provides a storage medium, where the storage medium stores computer-executable instructions, and the computer-executable instructions are configured to execute the foregoing multi-screen bidirectional 4K communication method for a video conference.
The storage medium may be any available medium or data storage device that can be accessed by a computer, including but not limited to magnetic memory (e.g., floppy disks, hard disks, magnetic tapes, magneto-optical disks (MOs), etc.), optical memory (e.g., CDs, DVDs, BDs, HVDs, etc.), and semiconductor memory (e.g., ROMs, EPROMs, EEPROMs, nonvolatile memories (NAND FLASH), Solid State Disks (SSDs)), etc.
Fig. 3 is a schematic structural diagram of an electronic device for performing a multi-screen bidirectional 4K communication method for a video conference according to an embodiment of the present invention. In a fourth aspect, as shown in fig. 3, an electronic device is another embodiment of the invention. The electronic device 1100 may be a host server with computing capability, a personal computer PC, or a portable computer or terminal that is portable, or the like. The specific embodiment of the present invention does not limit the specific implementation of the electronic device.
The electronic device 1100 includes at least one processor (processor)1110, a Communications Interface 1120, a memory 1130, and a bus 1140. The processor 1110, the communication interface 1120, and the memory 1130 communicate with each other via the bus 1140.
The communication interface 1120 is used for communicating with network elements including, for example, virtual machine management centers, shared storage, etc.
Processor 1110 is configured to execute programs. The processor 1110 may be a central processing unit CPU9, or an Application Specific Integrated Circuit (ASIC), or one or more Integrated circuits configured to implement embodiments of the present invention.
The memory 1130 is used for executable instructions. The memory 1130 may comprise high-speed RAM memory, and may also include non-volatile memory (non-volatile memory), such as at least one disk memory. The memory 1130 may also be a memory array. The storage 1130 may also be partitioned, and the blocks may be combined into virtual volumes according to certain rules. The instructions stored by the memory 1130 are executable by the processor 1110 to enable the processor 1110 to perform a multi-screen bi-directional 4K communication method of a video conference in any of the above-described method embodiments.
In practical application, the multi-screen bidirectional 4K communication method and the system for the video conference have the following detailed use flows:
firstly, a 4K conference room terminal is required to be connected with a video server 1 before a conference starts;
then 4K video decoding software is installed on a 4K television in the meeting place;
connecting the 4K television with a 4K conference room terminal in a wired network or wireless network manner;
after the conference starts, 4K conference room terminals carry out 4K coding on local video pictures and send the local video pictures to a video server 1 connected with the local video pictures;
meanwhile, the 4K conference room terminal receives the coded video data of the far-end 4K conference room terminal sent by the server through the network;
the 4K conference room terminal sends the 4K video coding data received from the server to a local 4K television connected with the server through a network;
the local 4K television receives the coded video conference picture, and decodes and displays the picture through a 4K video decoding APP;
under the condition of ideal network bandwidth, the number of paths displayed by the conference pictures with 4K effect in the video conference is not limited by other conditions, and is only related to the number of 4K televisions in the conference place.
In a word, the multi-screen bidirectional 4K communication method and the system for the video conference break through the original resource limitation of 4K decoding through the conference room terminal, reasonably utilize resources, greatly improve the conference picture effect, effectively improve the research and judgment efficiency of participants on certain events by improving the conference picture effect, improve the research and judgment accuracy and greatly improve the conference experience at the same time.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (10)
1. A multi-screen bidirectional 4K communication method of a video conference is realized based on a display terminal, and is characterized in that the multi-screen bidirectional 4K communication method of the video conference comprises the following steps:
before a conference begins, a first 4K conference room terminal and a plurality of second 4K conference room terminals are respectively in communication connection with a video server, the first 4K conference room terminal is respectively in communication connection with a plurality of first display terminals, and the second 4K conference room terminals are respectively in communication connection with a plurality of second display terminals;
after a conference begins, the first 4K conference room terminal and the plurality of second 4K conference room terminals respectively perform multi-stream coding on a local video picture and send the multi-stream coding to the video server, and the first 4K conference room terminal receives video coding data of the plurality of second 4K conference room terminals sent by the video server;
the first 4K conference room terminal sends the video coding data to the plurality of first display terminals;
the plurality of first display terminals display the decoded video;
the multi-stream coding includes 4K coding.
2. A multi-screen bi-directional 4K communication method for video conferencing as claimed in claim 1,
the first 4K conference room terminal sends the video encoded data to the plurality of first display terminals, and further includes:
determining whether the multi-stream coding includes 4K coding,
if the video coding data do not comprise 4K codes or the plurality of first display terminals do not support 4K display, the first 4K conference room terminal sends the video coding data to the plurality of first display terminals according to a first preset decoding mode;
and if the video coding data comprise 4K codes, the first 4K conference room terminal sends the video coding data to the plurality of first display terminals according to a second preset decoding mode.
3. A multi-screen bi-directional 4K communication method for video conferencing as claimed in claim 2, wherein the first preset decoding manner comprises:
and the first 4K conference room terminal decodes non-4K coded streams of the video streams to be displayed by the plurality of first display terminals, and sends the decoded video coded data to the plurality of first display terminals.
4. A multi-screen bi-directional 4K communication method for a video conference as claimed in claim 2 or 3, wherein before decoding in the second preset decoding manner, comprising:
the first 4K conference room terminal carries out 4K decoding on the main video, the decoded video coding data are sent to a first display terminal to be displayed with the main video stream in the plurality of first display terminals,
and updating the video streams to be displayed in the plurality of first display terminals.
5. A multi-screen bi-directional 4K communication method for video conferencing as claimed in claim 4, wherein the second preset decoding manner comprises:
and the first 4K conference room terminal respectively sends 4K coding data of the video stream to be displayed to the first display terminals, and the first display terminals perform 4K decoding.
6. A multi-screen bi-directional 4K communication method for a video conference as claimed in claim 1, wherein the plurality of first display terminals and the plurality of second display terminals are 4K display devices, and each of which has 4K video decoding software built therein.
7. A multi-screen two-way 4K communication system for video conferencing, comprising:
a video server;
the first 4K conference room terminal is in communication connection with the video server;
the plurality of first 4K televisions are in communication connection with the first 4K conference terminals respectively;
the second 4K conference room terminal is in communication connection with the video server respectively; and
the second 4K televisions are in communication connection with the second 4K conference terminals respectively;
the first 4K conference room terminal and the plurality of second 4K conference room terminals respectively perform multi-stream coding on local video pictures and send the local video pictures to the video server;
the first 4K conference room terminal receives video coding data of the second 4K conference room terminal, which are sent by the video server;
the first 4K conference room terminal sends the video coding data to the plurality of first 4K televisions;
wherein the plurality of first 4K televisions display the decoded video.
8. A multi-screen bi-directional 4K communication system for video conferencing as claimed in claim 7, wherein each of the first plurality of 4K televisions and the second plurality of 4K televisions has 4K video decoding software built therein,
after the first 4K conference room terminal transmits the video encoding data to the plurality of first 4K televisions, the method further includes:
and the plurality of first 4K televisions carry out 4K decoding on the video coding data to be displayed.
9. A storage medium storing computer-executable instructions for performing the multi-screen two-way 4K communication method for a video conference of any one of claims 1-6.
10. An electronic device, comprising:
at least one processor; and
a memory communicatively coupled to the at least one processor;
wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the multi-screen two-way 4K communication method of a video conference of any of claims 1-6.
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