CN116208727A

CN116208727A - Video matrix switcher based on multi-user modularization and control method thereof

Info

Publication number: CN116208727A
Application number: CN202310492121.1A
Authority: CN
Inventors: 阙才武; 黄鹏飞; 曹永满; 林国辉
Original assignee: Guangdong Shiteng Electronic Technology Co ltd
Current assignee: Guangdong Shiteng Electronic Technology Co ltd
Priority date: 2023-05-05
Filing date: 2023-05-05
Publication date: 2023-06-02
Anticipated expiration: 2043-05-05
Also published as: CN116208727B

Abstract

The invention provides a video matrix switcher based on multiuser modularization and a control method thereof, comprising the following steps: acquiring a video to be displayed, establishing a first communication link between a video acquisition end and an input end of a video matrix switcher, and transmitting the video to be displayed to the video matrix switcher; reading video display requirements, matching target output ports of the video matrix switcher, constructing a second communication link between the target output ports and the user display terminals, and controlling the video matrix switcher to transmit videos to be displayed to the corresponding user display terminals; when the video matrix switcher monitors a display request of the new user display terminal, the output port of the video matrix switcher is updated, a third communication link is generated by updating the second communication link, and the video to be displayed is transmitted to the new user display terminal for synchronous display. The transmission effect of the video to be displayed is improved, and the working accuracy and reliability of the video matrix switcher are also ensured.

Description

Video matrix switcher based on multi-user modularization and control method thereof

Technical Field

The invention relates to the technical field of image communication, in particular to a video matrix switcher based on multi-user modularization and a control method thereof.

Background

At present, the video matrix switcher is high-performance intelligent matrix switch equipment designed for switching the display of high-resolution image signals, images acquired by one or more equipment can be synchronously displayed on one or more equipment, and the display requirements of a plurality of users on different videos can be realized;

however, at present, when different videos are synchronously displayed by multiple users, the video is displayed by configuring one audio device, and because the audio device is required to be configured by the users, when the images are synchronously displayed, a small number of users can synchronously watch the same video at the same time intelligently, and because the audio device is adopted, the output port cannot be updated or the video cannot be updated in real time according to the increase of the display end of the users, so that the control effect of video display is poor;

accordingly, in order to overcome the above-mentioned drawbacks, the present invention provides a video matrix switcher based on multi-user modularization and a control method thereof.

Disclosure of Invention

The invention provides a video matrix switcher based on multi-user modularization and a control method thereof, which are used for synchronously transmitting the acquired video to be displayed to a plurality of different user display terminals through the video matrix switcher, so that the transmission accuracy and the order of the video to be displayed are ensured, and meanwhile, when the access of a new user display terminal is monitored, the output port and a communication link of the video matrix switcher are automatically updated in time, the transmission effect of the video to be displayed is improved, and the working accuracy and the reliability of the video matrix switcher are also ensured.

A multi-user modular based video matrix switcher, comprising:

the video acquisition module is used for acquiring a video to be displayed based on the video acquisition end;

the video communication module is used for establishing a first communication link between the video acquisition end and the input end of the video matrix switcher and transmitting the video to be displayed to the video matrix switcher based on the first communication link;

the output port determining module is used for reading the video display requirement based on the video matrix switcher, matching the target output port of the video matrix switcher based on the video display requirement, and constructing a second communication link between the target output port and the user display terminal;

the display module is used for controlling the video matrix switcher to transmit the video to be displayed to the corresponding user display terminal for display based on the second communication link;

and the monitoring module is used for automatically updating the output port of the video matrix switcher based on the display request when the video matrix switcher monitors the display request sent by the new user display terminal, updating the second communication link, generating a third communication link, and transmitting the video to be displayed to the new user display terminal based on the third communication link for synchronous display.

Preferably, a video matrix switcher based on multi-user modularization, a video acquisition module, includes:

the video acquisition unit is used for receiving a video acquisition instruction based on the video acquisition end and controlling the video acquisition end to acquire the video to be displayed based on the video acquisition instruction;

the video type determining unit is used for reading the acquired video to be displayed, determining the video type of the video to be displayed, and determining the video acquisition type based on the video acquisition instruction;

the video judging unit is used for matching the video acquisition type with the video type of the video to be displayed and judging whether an irrelevant video exists or not;

when the video acquisition type is matched with the video type of the video to be displayed, judging that no irrelevant video exists; otherwise, judging that the irrelevant video exists;

and the irrelevant video deleting unit is used for marking the irrelevant video in the video to be displayed and deleting the irrelevant video based on the marking result.

Preferably, a video matrix switcher based on multi-user modularization, a video communication module, includes:

the communication identifier acquisition unit is used for acquiring a first port communication identifier of the video acquisition port;

A communication link construction unit configured to:

reading a target input port management library in the video matrix switcher, and judging whether the first port communication identifier has a matched target communication tag in the target input port management library;

when the first port communication identifier and the target input port management library have matched target communication tags, selecting a first communication protocol corresponding to the target communication tags from the target input port management library, and determining a second port communication identifier of the input port of the video matrix switcher;

establishing a first communication link between the video acquisition end and the input end of the video matrix switcher based on the first port communication identifier, the first communication protocol and the second port communication identifier;

otherwise, the first port communication identifier is subjected to security verification, when the first port communication identifier passes the security verification, the second communication protocol is signed based on the first port identifier and the second port identifier, and a first communication link between the video acquisition end and the input end of the video matrix switcher is established based on the first port communication identifier, the second communication protocol and the second port communication identifier.

Preferably, a video matrix switcher based on multi-user modularization includes, when performing security verification on a first port communication identifier in a communication connection building unit:

The security verification condition determining unit is used for reading the data receiving rule of the video matrix switcher, setting security verification conditions according to the data receiving rule, and determining verification formats corresponding to the security verification conditions;

the information to be verified determining subunit is used for acquiring port address information of the video acquisition port, and adjusting the port address information and the communication identifier of the first port based on the verification format to obtain information to be verified;

the security verification subunit is used for judging whether the information to be verified accords with the security verification condition;

when the information to be verified meets the security verification condition, judging that the first port communication identifier passes the security verification; otherwise, determining that the first port communication identifier fails the security verification.

the video dividing unit is used for equally dividing the video to be displayed to determine a plurality of sub-video segments, and determining video information and video data quantity corresponding to each sub-video segment based on the dividing result;

the data receiving check standard determining unit is used for generating a data receiving check standard based on the video information corresponding to the sub video segment and the video data quantity and transmitting the data receiving check standard to the video matrix switcher;

The sequencing unit is used for sequencing each sub-video segment based on time sequence and respectively transmitting each sub-video segment to the video matrix switcher based on the first communication link based on the sequencing result;

a verification unit for:

reading the plurality of sub-video segments based on the video matrix switcher, and checking the received plurality of sub-video segments according to the data receiving check standard;

when the received sub video segment accords with the data receiving verification standard, the receiving of the video to be displayed is completed;

otherwise, continuing to receive the sub video segment until the data receiving check standard is met.

Preferably, a video matrix switcher based on multi-user modularization, an output port determining module, includes:

the demand reading unit is used for inputting a video display demand to the video matrix switcher, reading the video display demand and determining a first display keyword of the video display demand;

a keyword analysis unit configured to:

acquiring a vocabulary mapping relation of a first display keyword, dividing the first display keyword into a second display keyword and a third display keyword based on the vocabulary mapping relation of the first display keyword, wherein the second display keyword corresponds to the third display keyword one by one;

Matching a target video segment corresponding to the video to be displayed based on the second display keyword, and simultaneously, matching target user display terminal information corresponding to the target video segment based on the third display keyword;

the packaging unit is used for packaging the target video segment and the corresponding target user display terminal information to obtain a data packet to be displayed, and meanwhile, obtaining a first label of the target video segment and a second label of the target user display terminal, comprehensively obtaining a third label by the first label and the second label, and taking the third label as a display label of the data packet to be displayed;

the target output port acquisition unit is used for respectively matching the display labels of the data packets to be displayed with the port identifiers of the plurality of output ports of the video matrix switcher to acquire target output ports;

a port adapting unit, configured to:

acquiring first configuration information of a target output port in a video matrix switcher, and simultaneously acquiring second configuration information of a target user display terminal;

comparing the first configuration information with the second configuration information, judging a target difference parameter between the first configuration information and the second configuration information, and simultaneously, taking the first configuration information as a reference, determining a difference degree corresponding to the target difference parameter between the second configuration information and the first configuration information;

Adapting the target user terminal according to the degree of difference;

and the second communication link construction unit is used for constructing a second communication link between the target output port and the user display terminal based on the adapting result.

Preferably, a video matrix switcher based on multi-user modularization, a display module, includes:

the video distribution unit is used for reading the port identification of the target output port, reading the video to be displayed, and distributing the video to be displayed to the target output port according to the port identification of the target output port based on the video matrix switcher;

the state determining unit is configured to perform state reading on the second communication link, and determine an operating state of the second communication link, where the operating state of the second communication link includes: an idle state and a working state;

a communication unit configured to:

when the working state of the second communication link is an idle state, transmitting the video to be displayed to the display terminal for display through the second communication link based on the target output port;

and when the working state of the second communication link is the working state, waiting the video to be displayed at the target output port.

Preferably, a video matrix switcher based on multi-user modularization, a monitoring module includes:

The monitoring scheme making unit is used for obtaining the monitoring requirement of the video matrix switcher, building a port monitoring frame based on the monitoring requirement, obtaining port configuration information of an output port in the video matrix switcher, and determining electric signal change information when the working state of the output port in the video matrix switcher changes based on the port configuration information;

the scheme deployment unit is used for determining a monitoring scheme of an output port in the video matrix switcher based on the electric signal change information, deploying the monitoring scheme in the port monitoring frame to obtain a port monitoring model, and associating the port monitoring model with the video matrix switcher;

the monitoring unit is used for acquiring the access service of multiple users of the output port in the video matrix switcher in real time based on the port monitoring model according to the association result, analyzing the access service, and judging that a new user display terminal sends a display request when the electric signal jump value obtained after analysis is consistent with the electric signal change information;

the request analysis unit is used for carrying out state detection on each output port in the video matrix switcher based on the display request, determining whether the unused output ports exist in the video matrix switcher or not based on the detection result, reconfiguring the new video matrix switcher when the unused output ports do not exist, connecting the new user display terminal with the output ports of the new video matrix switcher, and otherwise, extracting the identity information of the new user display terminal based on the display request;

The identity verification unit is used for matching the identity information with a preset identity information database, judging that the new user display terminal is a trusted terminal when the preset identity information is matched with the identity information of the new user display terminal, and distributing port addresses and port numbers to the unused output ports based on a judging result;

the updating unit is used for updating the output port of the video matrix switcher based on the port address and the port number, determining a newly-added output port based on the port updating result, constructing a communication link between the newly-added output port and the new user display terminal based on the port address and the port number of the newly-added output port, updating the second communication link based on the construction result, and generating a third communication link;

and the synchronous display unit is used for synchronously transmitting the video to be displayed to the new user display terminal for synchronous display based on the third communication link.

the signal conversion unit is used for converting the digital signal of the video to be displayed into an analog electric signal based on the digital-to-analog converter when the video to be displayed is transmitted to the video matrix switcher based on the first communication link;

The first calculation unit is used for carrying out photoelectric modulation on the analog electric signal to determine an input electric signal, and calculating an output optical signal after photoelectric modulation;

a second calculation unit for determining a transfer coefficient based on the output optical signal and the input electrical signal;

a nonlinear damage determination unit configured to:

comparing the transfer coefficient with a preset target interval threshold value, and judging whether nonlinear damage exists in the output optical signal or not;

when the transfer coefficient is in a preset target interval threshold, judging that nonlinear damage does not exist in the output optical signal, simultaneously, carrying out optical fiber transmission on the output optical signal based on a first communication link, converting the output optical signal into an analog electric signal when the output optical signal reaches a video matrix switcher, and simultaneously, converting the output optical signal into a digital signal based on a digital-to-analog converter to finish transmission;

otherwise, judging that nonlinear damage exists in the output optical signal, and performing alarm operation, and stopping optical fiber transmission.

A video matrix switcher control method based on multi-user modularization includes:

step 1: acquiring a video to be displayed based on a video acquisition end;

step 2: establishing a first communication link between a video acquisition end and an input end of a video matrix switcher, and transmitting a video to be displayed to the video matrix switcher based on the first communication link;

Step 3: reading a video display requirement based on the video matrix switcher, matching a target output port of the video matrix switcher based on the video display requirement, and simultaneously constructing a second communication link between the target output port and the user display terminal;

step 4: controlling the video matrix switcher to transmit the video to be displayed to the corresponding user display terminal for display based on the second communication link;

step 5: when the video matrix switcher monitors a display request sent by the new user display terminal, the output port of the video matrix switcher is automatically updated based on the display request, meanwhile, the second communication link is updated, a third communication link is generated, and the video to be displayed is transmitted to the new user display terminal for synchronous display based on the third communication link.

Compared with the prior art, the invention at least comprises the following beneficial effects:

the video to be displayed is acquired and synchronously transmitted to a plurality of different user display terminals through the video matrix switcher, so that the transmission accuracy and the order of the video to be displayed are ensured, and meanwhile, when the access of a new user display terminal is monitored, the output port and the communication link of the video matrix switcher are automatically updated in time, the transmission effect of the video to be displayed is improved, and the working accuracy and the reliability of the video matrix switcher are also ensured.

The first display keywords are determined in the video display requirements, so that the reading efficiency of the video display requirements is effectively improved, the first display keywords are divided through the vocabulary mapping relation, the second display keywords and the third display keywords are generated, the encapsulation of the target video segment and the corresponding target user display terminal information is realized, the accuracy of data display can be effectively ensured, the efficiency of video transmission to be transmitted is effectively improved through adaptation of the target user terminal, and the second communication link is accurately constructed.

The port monitoring framework of the output port of the video matrix switcher is built, the port monitoring framework is trained, the port monitoring model is accurately and effectively obtained, the working state of each output port in the video matrix switcher is monitored through the port monitoring model, the display request of a new user display terminal is accurately and effectively monitored, finally the received display request is interpreted, the corresponding output port is distributed to the new user display terminal according to the situation, the port expansion of the new user display terminal is achieved in real time, the working effect of the video matrix switcher is guaranteed, the transmission effect of videos to be displayed is improved, and the working accuracy and reliability of the video matrix switcher are also guaranteed.

The transmission coefficient is calculated effectively by calculating the output optical signal after photoelectric modulation, whether nonlinear damage exists in the current output optical signal is measured effectively by the transmission coefficient, and the authenticity and the integrity of data transmission are guaranteed by monitoring the signal in the optical fiber transmission process.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.

The technical scheme of the invention is further described in detail through the drawings and the embodiments.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:

FIG. 1 is a block diagram of a video matrix switcher based on multi-user modularization in an embodiment of the invention;

FIG. 2 is a block diagram of a video acquisition module in a video matrix switcher based on multi-user modularization in an embodiment of the invention;

FIG. 3 is a block diagram of a video communication module in a video matrix switch based on multi-user modularization in an embodiment of the present invention;

fig. 4 is a flowchart of a video matrix switcher control method based on multi-user modularization in an embodiment of the invention.

Detailed Description

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.

Example 1:

the embodiment provides a video matrix switcher based on multi-user modularization, as shown in fig. 1, including:

In this embodiment, the video capturing end is set in advance, and is used for capturing video information.

In this embodiment, the video to be displayed may be a video screen that needs to be displayed on the user display terminal.

In this embodiment, the first communication link may be a data communication link for communicating between the video acquisition terminal and the video matrix switcher input terminal.

In this embodiment, the video display requirements are known in advance for characterizing the number of user display terminals that need to display the video to be displayed and the identity information of the specific user display terminals.

In this embodiment, the target output port may be a port corresponding to the video display requirement in the video matrix switcher, so as to facilitate transmission of the video to be displayed to the corresponding user display terminal through the target output port, where the target output port is not unique.

In this embodiment, the second communication link may be a data communication link between the connected video matrix switcher and the user display terminal.

In this embodiment, the new user display terminal may be a user display terminal that is not currently connected to the output port of the video matrix switcher.

In this embodiment, the display request may be a video read request to be displayed sent by the new user display terminal to the video matrix switcher.

In this embodiment, the automatic updating of the output port of the video matrix switcher based on the display request may be to adjust the output port of the video matrix switcher, and analysis is performed in two cases, one is to reconfigure a new video matrix switcher when the output port of the video matrix switcher has been fully utilized and connect a new user display terminal with the configured output port of the new video matrix switcher, and the other is to adapt the unused output port (update the unused output port, i.e. open the data transmission service of the unused output port) when the output port of the video matrix switcher has an unused port, thereby realizing the connection of the video matrix switcher with the new user display terminal.

In this embodiment, updating the second communication link and generating the third communication link may be updating the number of second communication links when there is an access of the new user display terminal, so as to ensure that the new user display terminal can acquire the corresponding video to be displayed from the video matrix switcher.

In this embodiment, the video to be displayed is transmitted to the new user display terminal based on the third communication link to perform synchronous display, which may be that the video to be displayed is transmitted to the new user display terminal to perform display through the video matrix switcher through the updated third communication link, so as to implement synchronous display with the video to be displayed of the terminal accessed in the past.

In this embodiment, the video to be displayed is transmitted to the video matrix switcher and the video to be displayed is transmitted from the video matrix switcher to the user display terminal through the optical fiber.

The beneficial effects of the technical scheme are as follows: the video to be displayed is acquired and synchronously transmitted to a plurality of different user display terminals through the video matrix switcher, so that the transmission accuracy and the order of the video to be displayed are ensured, and meanwhile, when the access of a new user display terminal is monitored, the output port and the communication link of the video matrix switcher are automatically updated in time, the transmission effect of the video to be displayed is improved, and the working accuracy and the reliability of the video matrix switcher are also ensured.

Example 2:

on the basis of embodiment 1, this embodiment provides a video matrix switcher based on multi-user modularization, as shown in fig. 2, a video acquisition module includes:

In this embodiment, the video acquisition instruction is issued by the user through the control terminal, and is used for controlling the video acquisition end to acquire the corresponding video to be displayed.

In this embodiment, the video acquisition type may be a video type to be acquired, which is represented by a video acquisition instruction, for example, whether a factory worker enters or exits a video or whether a person intrudes illegally in a monitoring area exists or not.

In this embodiment, the irrelevant video may be a video of different types of video acquisition corresponding to the acquired video to be displayed and the video acquisition instruction.

The beneficial effects of the technical scheme are as follows: the video acquisition instructions are analyzed to accurately and effectively judge the video acquisition types, the acquired video types of the videos to be displayed are matched with the video acquisition types, whether the irrelevant videos exist in the videos to be displayed or not is accurately and reliably analyzed, and when the irrelevant videos exist, the irrelevant videos are effectively deleted, so that the receiving reliability of the videos to be displayed by all user display terminals is ensured, and the video matrix switcher is convenient to transmit the corresponding videos to be displayed to the corresponding user display terminals.

Example 3:

on the basis of embodiment 1, this embodiment provides a video matrix switcher based on multi-user modularization, as shown in fig. 3, a video communication module includes:

a communication link construction unit configured to:

In this embodiment, the first port communication identification may be a marking tag for marking video acquisition port identity information.

In this embodiment, the target input port management library is set in advance, and is used to store the target communication labels corresponding to different target input ports and the communication protocols corresponding to different target input ports in the video matrix switcher.

In this embodiment, the target communication tag is a standard marking symbol for marking the correspondence of different target input ports, which is known in advance.

In this embodiment, the first communication protocol may be a data communication rule between the target input ports and the video acquisition end corresponding to the different target communication tags, so as to facilitate accurate and reliable transmission of the acquired video to be displayed to the video matrix switcher.

In this embodiment, the second port communication identification may be a tag label that tags the video matrix switch input port type.

In this embodiment, the security verification may be verifying the security, standardability, and eligibility of the first port communication identification of the video acquisition port.

In this embodiment, the second communication protocol may be a communication protocol configured directly between the first port communication identifier of the video acquisition port and the second port communication identifier of the input port of the video matrix switcher according to the first port communication identifier of the video acquisition port when no target communication tag matches the first port communication identifier and the first port communication identifier meets the security communication requirement.

The beneficial effects of the technical scheme are as follows: the first communication link construction between the video acquisition end and the input port of the video matrix switcher is realized by analyzing and matching the communication identification of the first port of the video acquisition end and the communication identification of the second port of the input port of the video matrix switcher, so that the reliability of the video matrix switcher in receiving videos to be displayed is ensured, and the video matrix switcher is also convenient to transmit the obtained videos to be displayed to one or more corresponding user display terminals.

Example 4:

on the basis of embodiment 3, this embodiment provides a video matrix switcher based on multi-user modularization, and in a communication connection building unit, when performing security verification on a first port communication identifier, the video matrix switcher includes:

In this embodiment, the data receiving rule is set in advance, and is used to characterize the receiving mode and the receiving requirement of the video matrix switcher on the video, and may specifically be a format requirement of the video, and the like.

In this embodiment, the security verification condition may be a standard or a reference standard for performing security verification on the first port communication identifier of the video capturing end.

In this embodiment, the verification format may be format information characterizing verification of the first port communication identifier by the security verification condition, so as to facilitate ensuring accurate and effective verification of security of the first port communication identifier of the video acquisition end.

In this embodiment, the information to be verified may be port information that can be directly verified safely after the port address information of the video acquisition port and the first port communication identifier are adjusted according to the verification format.

The beneficial effects of the technical scheme are as follows: by determining the data receiving rule of the video matrix switcher, the safe verification condition and verification format of the video acquisition port are accurately and effectively determined according to the data receiving rule, and the port address information and the first port communication identifier of the video acquisition port are accurately and reliably format-adjusted through the verification format, so that the video acquisition port is accurately and reliably safely verified, the communication safety of the video acquisition port and the video matrix switcher is conveniently ensured, and the working effect of the video matrix switcher is conveniently improved.

Example 5:

on the basis of embodiment 1, this embodiment provides a video matrix switcher based on multi-user modularization, a video communication module, including:

a verification unit for:

In this embodiment, equal interval division may be to split the video to be displayed in equal amount, that is, the video streams corresponding to each video segment obtained by splitting are the same.

In this embodiment, the sub-video segments may be a plurality of video segments obtained by splitting a video to be displayed.

In this embodiment, the video information may be specific video content corresponding to each sub-video segment.

In this embodiment, the data reception verification standard may be a standard or reference for verifying the video to be displayed.

The beneficial effects of the technical scheme are as follows: the video to be displayed is divided into equal intervals, video information and video data quantity of a plurality of sub-video segments obtained through division are accurately and effectively confirmed, the data receiving check standard is accurately and effectively formulated according to the video information and the video data quantity, and finally the video received by the video matrix switcher is checked according to the formulated data receiving check standard, so that the accuracy and the reliability of the video received by the video matrix switcher are ensured, and the accuracy of the video matrix switcher for transmitting the received video to a corresponding user display terminal is also improved.

Example 6:

On the basis of embodiment 1, this embodiment provides a video matrix switcher based on multi-user modularization, and an output port determining module, which includes:

a keyword analysis unit configured to:

a port adapting unit, configured to:

adapting the target user terminal according to the degree of difference;

In this embodiment, the first display keyword may be a keyword related to video display and video transmission after the video display requirement is read.

In this embodiment, the vocabulary mapping relationship may be, for example: the first display keyword contains terminal information corresponding to a target user display terminal and video information corresponding to a video to be displayed, and a target video segment to be displayed by the target user display terminal is determined through video display requirements, so that the relation between the terminal information corresponding to the target user display terminal and the video information corresponding to the video to be displayed is determined, namely, the vocabulary mapping relation.

In this embodiment, the second display keyword may be a keyword that characterizes a corresponding target video segment in the video segments to be displayed, and the third display keyword may be a keyword that characterizes a corresponding target user display terminal information.

In this embodiment, the data packet to be displayed may be a data packet obtained by encapsulating the target video segment and the corresponding target user display terminal information, which can effectively avoid the situation of inaccurate display caused by errors between the target video segment and the target user display terminal, and improve the display accuracy.

In this embodiment, the first configuration information of the target output port in the video matrix switcher may be, for example, a data output format of the target output port, a port data processing rate, and the like.

In this embodiment, the second configuration information of the target user display terminal may be, for example, a data input format of the target user display terminal, a data processing rate, and the like.

In this embodiment, the configuration type corresponding to the first configuration information is consistent with the configuration type corresponding to the second configuration information, and the target difference parameter may be a parameter with different values corresponding to the parameter type after the first configuration information is compared with the second configuration information, for example, the data processing rate in the first configuration information is different from the data processing rate in the second configuration information, and the other parameters are the same, where the target difference parameter is the data processing rate.

In this embodiment, a preset output port management library is provided in the video matrix switcher, where display tags of different display data packets and port identifiers corresponding to each display tag exist in the output port management library, so after determining the display tag of the data packet to be displayed, the matching of the port identifiers is effectively implemented in the preset output port management library, thereby effectively obtaining a target output port and improving the matching rate of the target output port.

The beneficial effects of the technical scheme are as follows: the first display keywords are determined in the video display requirements, so that the reading efficiency of the video display requirements is effectively improved, the first display keywords are divided through the vocabulary mapping relation, the second display keywords and the third display keywords are generated, the encapsulation of the target video segment and the corresponding target user display terminal information is realized, the accuracy of data display can be effectively ensured, the efficiency of video transmission to be transmitted is effectively improved through adaptation of the target user terminal, and the second communication link is accurately constructed.

Example 7:

on the basis of embodiment 1, this embodiment provides a video matrix switcher based on multi-user modularization, a display module, including:

a communication unit configured to:

In this embodiment, the port identification is a type of tag label used to tag the identity information of the output port of the target.

In this embodiment, the video matrix switcher allocates the video to be displayed to the target output port according to the port identifier of the target output port may be configured to transmit the received video information to the corresponding user display terminal through the target output port in the video matrix switcher.

The beneficial effects of the technical scheme are as follows: the video to be displayed is distributed to the corresponding target output port according to the port identification, the working state of the second communication link corresponding to the target output port is determined, and when the working state of the second communication link is in an idle state, the video to be displayed is accurately and effectively transmitted to the corresponding user display terminal through the second communication link, so that the transmission accuracy and the order of the video to be displayed are ensured, meanwhile, the transmission effect of the video to be displayed is improved, and the working accuracy and the reliability of the video matrix switcher are also ensured.

Example 8:

on the basis of embodiment 1, this embodiment provides a video matrix switcher based on multi-user modularization, and a monitoring module, including:

In this embodiment, the monitoring requirements are set in advance, so as to characterize the monitoring strength and the monitoring severity of the video matrix switcher, thereby facilitating the monitoring of the new user display terminal in time when the new user display terminal is accessed.

In this embodiment, the port monitoring framework may be a basic model framework for monitoring output ports that are matrix switched by the bi, and by training the port monitoring framework, the state of each output port of the video matrix switch is effectively monitored.

In this embodiment, the port configuration information may be an operating parameter that characterizes an output port in the video matrix switch, for example, may be a parameter such as an amount of data that the output port can transmit in a unit time.

In this embodiment, the electrical signal change information may be a change value of voltage or current when the operating state of the pure output port is changed from an inactive state to an active state.

In this embodiment, the monitoring scheme may be a specific manner or method for monitoring the working state of the output port in the video matrix switch.

In this embodiment, the port monitoring model may be a model that can directly monitor the working states of the output ports in the video matrix switch after the obtained monitoring scheme is deployed in the port monitoring framework.

In this embodiment, the access service may be a display request service submitted by a user who acquires the existence of different output ports in real time.

In this embodiment, the electrical signal jump value may be a change of the electrical signal value of the current output port.

In this embodiment, the purpose of the status detection of each output port in the video matrix switch is to determine whether there are unused output ports in the video matrix switch.

In this embodiment, the reconfiguration of the new video matrix switcher may be the addition of a new video matrix switcher, thereby enabling video transmission between multiple users.

In this embodiment, the identity information may be specific data that can characterize the status of the new user display terminal identity.

In this embodiment, the preset identity information database is preset in advance and is used for storing identity information of different trusted devices.

In this embodiment, the preset identity information is the identity information of the trusted terminal in the preset identity information database.

In this embodiment, the port number is a specific number for characterizing the current output port in the output port of the video matrix switcher, so as to facilitate connection of the current output port with the new user display terminal.

In this embodiment, the newly added output port may be a specific port that needs to be opened to an unused outgoing port in the video matrix switch.

The beneficial effects of the technical scheme are as follows: the port monitoring framework of the output port of the video matrix switcher is built, the port monitoring framework is trained, the port monitoring model is accurately and effectively obtained, the working state of each output port in the video matrix switcher is monitored through the port monitoring model, the display request of a new user display terminal is accurately and effectively monitored, finally the received display request is interpreted, the corresponding output port is distributed to the new user display terminal according to the situation, the port expansion of the new user display terminal is achieved in real time, the working effect of the video matrix switcher is guaranteed, the transmission effect of videos to be displayed is improved, and the working accuracy and reliability of the video matrix switcher are also guaranteed.

Example 9:

；

wherein, the liquid crystal display device comprises a liquid crystal display device,

representing the phase of the photoelectrically modulated output optical signal; />

Representing time; />

Representing the phase of the input electrical signal; />

A voltage representing the input electrical signal; />

Representing a DC bias voltage; />

Representing half-wave voltage of the modulator when the analog electric signal is subjected to photoelectric modulation; />

Representing error factors, and the value range is 0.01,0.03; />

The value is 3.14;

；

representing the transfer coefficient;

a nonlinear damage determination unit configured to:

In this embodiment, the transfer coefficient may be used to measure the phase ratio between the output optical signal and the input optical signal, and thus determine the linearity of the output optical signal.

In this embodiment, the preset target interval threshold may be set in advance, and is used as a measure for measuring whether the output optical signal has nonlinear damage.

In this embodiment, the alarm operation may be one or more of sound, light, vibration.

The beneficial effects of the technical scheme are as follows: the transmission coefficient is calculated effectively by calculating the output optical signal after photoelectric modulation, whether nonlinear damage exists in the current output optical signal is measured effectively by the transmission coefficient, and the authenticity and the integrity of data transmission are guaranteed by monitoring the signal in the optical fiber transmission process.

Example 10:

the embodiment provides a control method of a video matrix switcher based on multi-user modularization, as shown in fig. 4, including:

step 1: acquiring a video to be displayed based on a video acquisition end;

It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. A multi-user modular based video matrix switcher, comprising:

2. The video matrix switcher of claim 1, wherein the video acquisition module comprises:

3. The video matrix switcher of claim 1, wherein the video communication module comprises:

a communication link construction unit configured to:

4. A multi-user modular video matrix switcher as claimed in claim 3, wherein, in the communication connection setup unit, when performing security verification on the communication identifier of the first port, the video matrix switcher comprises:

5. The video matrix switcher of claim 1, wherein the video communication module comprises:

a verification unit for:

6. The video matrix switcher of claim 1, wherein the output port determination module comprises:

a keyword analysis unit configured to:

a port adapting unit, configured to:

adapting the target user terminal according to the degree of difference;

7. The video matrix switcher of claim 1, wherein the display module comprises:

a communication unit configured to:

8. The video matrix switcher of claim 1, wherein the listening module comprises:

9. The video matrix switcher of claim 1, wherein the video communication module comprises:

A nonlinear damage determination unit configured to:

10. A method for controlling a video matrix switcher based on multi-user modularization, comprising:

step 1: acquiring a video to be displayed based on a video acquisition end;