CN111683218B - Intelligent scheduling management method and system for flat video conference - Google Patents
Intelligent scheduling management method and system for flat video conference Download PDFInfo
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The scheme relates to an intelligent scheduling management method for a flat video conference. The method comprises the steps that a video conference scheduling system obtains a video conference service request, schedules each video conference system interface through a middleware according to the video conference service request, and sends a video conference control instruction to each video conference system through each video conference system interface; each video conference system feeds back a scheduling result instruction to the video conference scheduling system according to the video conference control instruction; the video conference scheduling system acquires an audio and video switching instruction sent by a chairman terminal and sends the audio and video switching instruction to a central control system through a central control interface according to a scheduling result instruction; and the central control system respectively controls the video matrix and the audio matrix to output the input code stream of the appointed terminal to a target screen through the video matrix interface and the audio matrix interface according to the audio and video switching instruction. The cost of video conference scheduling can be reduced, and the response speed of scheduling is improved.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a method and a system for intelligent scheduling management of a flat video conference.
Background
With the development of science and technology, video communication is widely applied, such as video conferences and video chatting, and brings great convenience to life and work. The video communication can be applied to various fields, and in systems such as emergency command, public security visual command, urban comprehensive treatment visual command and the like, a video conference system is a main communication system and plays an important role in remote command, emergency resource scheduling, field condition mastering and the like of each cooperative department. The video conference has the characteristic of remote visual communication, and is widely used in command and dispatch work by departments such as public security, fire protection and water conservancy in China. In the process of scheduling a video conference, a large amount of investment is often needed to establish a set of independent systems covering all units, or audio and video back-to-back uploading is carried out on the units to be scheduled through all levels of graph transmission and graph control centers in a manual mode, so that the scheduling of all units and cross-layer levels is realized.
The traditional video conference scheduling management has the problems of high construction cost of a scheduling system and slow scheduling response.
Disclosure of Invention
Based on this, in order to solve the above technical problems, a method and a system for managing flat video conference intelligent scheduling are provided, which can reduce the cost of video conference scheduling.
A flat video conference intelligent scheduling management method comprises the following steps:
the video conference scheduling system acquires a video conference service request, schedules each video conference system interface through a middleware according to the video conference service request, and sends a video conference control instruction to each video conference system through each video conference system interface; the video conference service request comprises current scheduled terminal data;
each video conference system feeds back a scheduling result instruction to the video conference scheduling system according to the video conference control instruction;
the video conference scheduling system acquires an audio and video switching instruction sent by a chairman terminal and sends the audio and video switching instruction to a central control system through a central control interface according to the scheduling result instruction;
the central control system respectively controls the video matrix and the audio matrix to output the input code stream of the appointed terminal to a target screen through the video matrix interface and the audio matrix interface according to the audio and video switching instruction;
the video conference system interface, the central control interface, the video matrix interface and the audio matrix interface are all universal protocol interfaces.
In one embodiment, the method further comprises:
each video conference system calls the chairman terminal and the called terminal according to the video conference control instruction, and establishes communication connection between the chairman terminal and the called terminal;
each video conference system feeds back a scheduling result instruction to the video conference scheduling system according to the video conference control instruction, and the method comprises the following steps:
and each video conference system feeds back a scheduling result instruction to the video conference scheduling system according to the communication connection and the video conference control instruction.
In one embodiment, before the central control system respectively controls the video matrix and the audio matrix to output the input code stream of the designated terminal to the target screen through the video matrix interface and the audio matrix interface according to the audio/video switching instruction, the method further includes:
and the chairman terminal and the adjusted terminal input a video code stream to the video matrix through the video matrix interface and input an audio code stream to the audio matrix through the audio matrix interface.
In one embodiment, the method further comprises:
the video conference scheduling system acquires a chairman terminal state of the chairman terminal and a called terminal state of the called terminal;
and when the state of the chairman terminal is an idle state and the state of the called terminal is an idle state, establishing communication connection between the chairman terminal and the called terminal.
In one embodiment, the method further comprises:
the video conference scheduling system determines the priority of each video scheduling conference according to the hierarchy in the scheduling system;
the video conference scheduling system acquires a target video scheduling conference corresponding to the scheduling result instruction, a first priority of the target video scheduling conference, a video scheduling conference where the scheduled terminal is located and a corresponding second priority;
the video conference scheduling system judges the sequence of the first priority and the second priority according to the priority of each video scheduling conference and obtains a judgment result;
and the video conference scheduling system determines whether to forcibly pull the scheduled terminal out of the current scheduling conference according to the judgment result so that the scheduled terminal enters an idle state.
In one embodiment, the determining whether to forcibly pull the called terminal out of the scheduling conference where the called terminal is currently located according to the determination result so that the called terminal enters an idle state includes:
when the judgment result shows that the first priority is higher than the second priority, the video conference scheduling system quits the scheduled terminal from the current scheduling conference and adds the scheduled terminal into the target video scheduling conference;
and when the judgment result shows that the first priority is not higher than the second priority, finishing the scheduling of the scheduled terminal.
In one embodiment, the method further comprises:
the video conference scheduling system acquires a one-key click-to-call instruction generated by a conference scheduling key;
the one-key click-to-call instruction comprises meeting information corresponding to the target video scheduling meeting;
and the video conference scheduling system displays the scheduling state of the scheduled terminal according to the scheduling result instruction fed back by the video conference system and the conference group information.
A flat video conferencing intelligent scheduling management system, the system comprising:
the video conference scheduling system is used for acquiring a video conference service request, scheduling each video conference system interface through the middleware according to the video conference service request, and sending a video conference control instruction to each video conference system through each video conference system interface; the video conference service request comprises current scheduled terminal data;
the video conference system is used for feeding back a scheduling result instruction to the video conference scheduling system according to the video conference control instruction;
the video conference scheduling system is also used for acquiring an audio and video switching instruction sent by the chairman terminal and sending the audio and video switching instruction to the central control system through the central control interface according to the scheduling result instruction;
the central control system is used for respectively controlling the video matrix and the audio matrix to output the input code stream of the appointed terminal to a target screen through the video matrix interface and the audio matrix interface according to the audio and video switching instruction;
the video conference system interface, the central control interface, the video matrix interface and the audio matrix interface are all universal protocol interfaces.
According to the method and the system for the intelligent scheduling management of the flat video conference, the video conference scheduling system acquires the video conference service request, schedules each video conference system interface through the middleware according to the video conference service request, and sends a video conference control instruction to each video conference system through each video conference system interface; the video conference service request comprises current scheduled terminal data; each video conference system feeds back a scheduling result instruction to the video conference scheduling system according to the video conference control instruction; the video conference scheduling system acquires an audio and video switching instruction sent by a chairman terminal and sends the audio and video switching instruction to a central control system through a central control interface according to a scheduling result instruction; the central control system respectively controls the video matrix and the audio matrix to output the input code stream of the appointed terminal to a target screen through the video matrix interface and the audio matrix interface according to the audio and video switching instruction; the video conference system interface, the central control interface, the video matrix interface and the audio matrix interface are all universal protocol interfaces. When cross-unit and cross-layer scheduling is carried out, scheduling of different units, different video conference systems and terminals can be completed on one platform and one interface, the problem that fusion cannot be caused by different networks and different video conference manufacturers in the construction of a cross-unit and cross-layer large-scale scheduling system is solved, and the construction cost and the construction period of the scheduling system are greatly reduced; the system can realize the linkage of audio and video image transmission control during cross-platform scheduling by controlling the central control system, the video matrix and the audio matrix to carry out service linkage, thereby solving the problem of manually switching images and audios and reducing the scheduling cost of the video conference.
Drawings
FIG. 1 is a flowchart of a flat video conference intelligent scheduling management method in one embodiment;
FIG. 2 is a schematic structural diagram of the intelligent scheduling management system for flat video conferences in one embodiment;
FIG. 3 is a system networking framework diagram of the flat video conference intelligent scheduling management method and system in one embodiment;
fig. 4 is a block diagram of a flat video conference intelligent scheduling management system in one embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
In one embodiment, as shown in fig. 1, a method for flat video conference intelligent scheduling management is provided, which includes the following steps:
102, a video conference scheduling system acquires a video conference service request, schedules each video conference system interface through a middleware according to the video conference service request, and sends a video conference control instruction to each video conference system through each video conference system interface; the video conference service request contains the data of the current scheduled terminal.
The video conference scheduling system can automatically select a manufacturer interface and a message route corresponding to the video conference service request according to the manufacturer information and the attribution unit information of the current scheduled terminal, thereby realizing the intelligent control of the video conference scheduling request message route when cross-unit and cross-layer scheduling is realized.
In this embodiment, the videoconference control command may include a conference state query command, a conference group command, a terminal join command, a speaker setting command, a terminal conference removal command, and a conference end command.
And step 104, feeding back a scheduling result instruction to the video conference scheduling system by each video conference system according to the video conference control instruction.
The scheduling result may include a conference state query result, a conference group result, a terminal conference adding result, a speaker setting result, a terminal conference removing result, and a conference ending result.
And 106, the video conference scheduling system acquires an audio and video switching instruction sent by the chairman terminal and sends the audio and video switching instruction to the central control system through the central control interface according to the scheduling result instruction.
In the embodiment, the video conference scheduling system can translate the audio/video switching instruction according to the scheduling result instruction and the home of the terminal to be scheduled, so that the audio/video switching instruction is sent to the central control system through the central control interface; specifically, the video conference scheduling system can determine a corresponding audio/video switching instruction according to the 'speaker success setting' feedback in the scheduling result instruction and the chairman terminal of the scheduling conference, so that the audio/video switching instruction is sent to the central control system through the central control interface.
And step 108, the central control system respectively controls the video matrix and the audio matrix to output the input code stream of the appointed terminal to a target screen through the video matrix interface and the audio matrix interface according to the audio and video switching instruction.
In this embodiment, the video conference system interface, the central control interface, the video matrix interface, and the audio matrix interface are all universal protocol interfaces.
In this embodiment, the video conference scheduling system obtains a video conference service request, schedules each video conference system interface through the middleware according to the video conference service request, and sends a video conference control instruction to each video conference system through each video conference system interface; the video conference service request comprises current scheduled terminal data; each video conference system feeds back a scheduling result instruction to the video conference scheduling system according to the video conference control instruction; the video conference scheduling system acquires an audio and video switching instruction sent by a chairman terminal and sends the audio and video switching instruction to a central control system through a central control interface according to a scheduling result instruction; the central control system respectively controls the video matrix and the audio matrix to output the input code stream of the appointed terminal to a target screen through the video matrix interface and the audio matrix interface according to the audio and video switching instruction; the video conference system interface, the central control interface, the video matrix interface and the audio matrix interface are all universal protocol interfaces. When cross-unit and cross-layer scheduling is carried out, scheduling of different units, different video conference systems and terminals can be completed on one platform and one interface, the problem that fusion cannot be caused by different networks and different video conference manufacturers in the construction of a cross-unit and cross-layer large-scale scheduling system is solved, and the construction cost and the construction period of the scheduling system are greatly reduced; the system can realize the linkage of audio and video image transmission control during cross-platform scheduling by controlling the central control system, the video matrix and the audio matrix to carry out service linkage, thereby solving the problem of manually switching images and audios and reducing the scheduling cost of the video conference.
In one embodiment, the provided flat video conference intelligent scheduling management method may further include: each video conference system calls a chairman terminal and a called terminal according to a video conference control instruction, and establishes communication connection between the chairman terminal and the called terminal; and each video conference system feeds back a scheduling result instruction to the video conference scheduling system according to the communication connection and the video conference control instruction.
In one embodiment, the provided flat video conference intelligent scheduling management method may further include: the chairman terminal and the called terminal input the video code stream to the video matrix through the video matrix interface and input the audio code stream to the audio matrix through the audio matrix interface. Specifically, the central control system can control the appointed chairman terminal and the regulated terminal according to the attribution of the regulated terminal to input the video code stream into the video matrix through the video matrix interface and input the audio code stream into the audio matrix through the audio matrix interface.
In one embodiment, the provided flat video conference intelligent scheduling management method may further include: the video conference scheduling system acquires the state of a chairman terminal and the state of a called terminal; and when the state of the chairman terminal is an idle state and the state of the called terminal is an idle state, establishing communication connection between the chairman terminal and the called terminal.
In one embodiment, the provided flat video conference intelligent scheduling management method may further include: the video conference scheduling system determines the priority of each video scheduling conference according to the hierarchy in the scheduling system; the video conference scheduling system acquires a target video scheduling conference corresponding to the scheduling result instruction, a first priority of the target video scheduling conference, a video scheduling conference where the scheduled terminal is located and a corresponding second priority; the video conference scheduling system judges the sequence of the first priority and the second priority according to the priority of each video scheduling conference and obtains a judgment result; and the video conference scheduling system determines whether to forcibly pull the scheduled terminal out of the current scheduling conference according to the judgment result, so that the scheduled terminal enters an idle state.
In one embodiment, the provided flat video conference intelligent scheduling management method may further include: when the judgment result shows that the first priority is higher than the second priority, the video conference scheduling system quits the scheduled terminal from the current scheduling conference and adds the scheduled terminal into the target video scheduling conference; and when the judgment result shows that the first priority is not higher than the second priority, finishing the scheduling of the scheduled terminal.
As shown in fig. 2, the intelligent scheduling management system for a flat video conference may include a scheduling client, a middleware, a video conference system interface, a central control interface, a video matrix interface, an audio matrix interface, a data engine, a database, a scheduling management console, a WEB server, and the like. In this embodiment, all the adopted interfaces are universal protocol interfaces.
In one embodiment, the provided flat video conference intelligent scheduling management method may further include: the video conference scheduling system acquires a one-key click-to-call instruction generated by a conference scheduling key; the one-key click-to-call instruction comprises group meeting information corresponding to the target video scheduling meeting; and the video conference scheduling system displays the scheduling state of the scheduled terminal according to the scheduling result instruction and the conference group information fed back by the video conference system.
In the embodiment, the video conference scheduling system performs centralized display on terminals under the whole system according to administrative divisions and scheduled unit classification on an interface, and acquires a one-key click scheduling instruction generated by a conference scheduling key; the one-key click-to-call instruction comprises called unit and manufacturer information, group meeting information, chairman terminal information and called terminal information corresponding to the current scheduling conference; the video conference scheduling system initiates a scheduling request to the middleware according to the one-key click scheduling instruction, and performs differential display on the scheduling state of the scheduled terminal according to the feedback result of the middleware, wherein the successful scheduling is displayed in orange and the failed scheduling is displayed in green, so that the scheduling is convenient to distinguish.
In this embodiment, the group conference information may be used to indicate a terminal manufacturer identifier. The one-key click command can call the communication capacity of each video conference system through the interface, and each video conference system completes the communication processes of meeting group, setting a chairman, forcibly detaching a called terminal, adding a terminal to a meeting, setting a speaker, removing the terminal, ending the meeting and the like in the system, so that the problems of difficult coordination, long construction period, poor audio and video quality, difficult definition and the like caused by the compatibility problems among different brands are solved.
In an embodiment, the provided flat video conference intelligent scheduling management method can be applied to a system networking framework shown in fig. 3, the system networking framework can be divided into a unit network and outer unit networks, and a security boundary exists between the unit network and the outer unit networks. The system networking framework can comprise a video conference scheduling system, a chairman terminal, a regulated terminal, a central control system, a video matrix, an audio matrix, a target screen and a video conference system. The video conference system can comprise video conference systems of various manufacturers in the unit network and can also comprise video conference systems of external units in various external unit networks. The video conference dispatching system is in butt joint with the video conference system through a video conference dispatching system interface, is in butt joint with the central control system through a linkage interface, and controls the audio matrix and the video matrix through the central control system, so that automatic switching of display images of a target screen and automatic switching of audio pushing are achieved when the video conference terminal is dispatched.
It should be understood that, although the steps in the above-described flowcharts are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least a portion of the steps in the above-described flowcharts may include multiple sub-steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of performing the sub-steps or the stages is not necessarily sequential, but may be performed alternately or alternatingly with other steps or at least a portion of the sub-steps or stages of other steps.
In one embodiment, as shown in fig. 4, there is provided a flat video conference intelligent scheduling management system, including: a video conference scheduling system 410, a video conference system 420, a central control system 430, a video matrix 440, an audio matrix 450, a target screen 460, a chairman terminal 470, and a scheduled terminal 480, wherein:
the video conference scheduling system 410 is configured to obtain a video conference service request, schedule each video conference system interface through the middleware according to the video conference service request, and send a video conference control instruction to each video conference system through each video conference system interface; the video conference service request comprises current scheduled terminal data;
the video conference system 420 is used for feeding back a scheduling result instruction to the video conference scheduling system according to the video conference control instruction;
the video conference scheduling system 410 is further configured to obtain an audio/video switching instruction sent by the chairman terminal, and send the audio/video switching instruction to the central control system through the central control interface according to the scheduling result instruction;
the central control system 430 is used for respectively controlling the video matrix 440 and the audio matrix 450 to output the input code stream of the designated terminal to the target screen 460 through the video matrix interface and the audio matrix interface according to the audio and video switching instruction;
the video conference system interface, the central control interface, the video matrix interface and the audio matrix interface are all universal protocol interfaces.
In one embodiment, the video conference system 420 is further configured to call the chairman terminal and the called terminal according to the video conference control instruction, and establish a communication connection between the chairman terminal and the called terminal; the video conference system 420 is further configured to feed back a scheduling result instruction to the video conference scheduling system according to the communication connection and the video conference control instruction.
In one embodiment, the chairman terminal 470 and the callee terminal 480 are configured to input the video stream to the video matrix 440 through a video matrix interface and input the audio stream to the audio matrix 450 through a video matrix interface.
In one embodiment, the video conference scheduling system 410 is further configured to obtain a chairman terminal status of the chairman terminal 470 and a called terminal status of the called terminal 480; when the chairman terminal state is the idle state and the called terminal state is the idle state, the communication connection between the chairman terminal 470 and the called terminal 480 is established.
In one embodiment, the video conference scheduling system 410 is further configured to determine a priority of each video scheduling conference according to a hierarchy in the scheduling hierarchy; the video conference scheduling system 410 is further configured to obtain a target video scheduling conference corresponding to the scheduling result instruction, a first priority of the target video scheduling conference, and obtain a video scheduling conference in which the scheduled terminal is currently located and a corresponding second priority; the video conference scheduling system 410 is further configured to determine an order of the first priority and the second priority according to the priority of each video scheduling conference, and obtain a determination result; the video conference scheduling system 410 is further configured to determine whether to forcibly pull the scheduled terminal out of the current scheduling conference according to the determination result, so that the scheduled terminal enters an idle state.
In one embodiment, the video conference scheduling system 410 is further configured to, when the first priority is higher than the second priority as a result of the determination, quit the scheduled terminal from the current scheduled conference and add the scheduled terminal to the target video scheduled conference; and when the judgment result shows that the first priority is not higher than the second priority, finishing the scheduling of the scheduled terminal.
In one embodiment, the video conference scheduling system 410 is further configured to obtain a one-click command generated by a conference scheduling key; the one-key click-to-call instruction comprises group meeting information corresponding to the target video scheduling meeting; and the video conference scheduling system displays the scheduling state of the scheduled terminal according to the scheduling result instruction and the conference group information fed back by the video conference system.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. A flat video conference intelligent scheduling management method is characterized by comprising the following steps:
the video conference scheduling system acquires a video conference service request, schedules each video conference system interface through a middleware according to the video conference service request, and sends a video conference control instruction to each video conference system through each video conference system interface; the video conference service request comprises current scheduled terminal data; the current scheduled terminal data comprises manufacturer information and attribution unit information of the current scheduled terminal, and the video conference scheduling system automatically selects a manufacturer interface and a message route corresponding to the video conference service request according to the manufacturer information and the attribution unit information of the current scheduled terminal;
each video conference system feeds back a scheduling result instruction to the video conference scheduling system according to the video conference control instruction;
the video conference scheduling system acquires an audio and video switching instruction sent by a chairman terminal and sends the audio and video switching instruction to a central control system through a central control interface according to the scheduling result instruction;
the central control system respectively controls the video matrix and the audio matrix to output the input code stream of the appointed terminal to a target screen through the video matrix interface and the audio matrix interface according to the audio and video switching instruction;
the video conference system interface, the central control interface, the video matrix interface and the audio matrix interface are all universal protocol interfaces;
the video conference scheduling system acquires a chairman terminal state of the chairman terminal and a called terminal state of the called terminal;
when the state of the chairman terminal is an idle state and the state of the called terminal is an idle state, establishing communication connection between the chairman terminal and the called terminal;
the video conference scheduling system determines the priority of each video scheduling conference according to the hierarchy in the scheduling system;
the video conference scheduling system acquires a target video scheduling conference corresponding to the scheduling result instruction, a first priority of the target video scheduling conference, a video scheduling conference where the scheduled terminal is located and a corresponding second priority;
the video conference scheduling system judges the sequence of the first priority and the second priority according to the priority of each video scheduling conference and obtains a judgment result;
and the video conference scheduling system determines whether to forcibly pull the scheduled terminal out of the current scheduling conference according to the judgment result so that the scheduled terminal enters an idle state.
2. The method of claim 1, further comprising:
each video conference system calls the chairman terminal and the called terminal according to the video conference control instruction, and establishes communication connection between the chairman terminal and the called terminal;
each video conference system feeds back a scheduling result instruction to the video conference scheduling system according to the video conference control instruction, and the method comprises the following steps:
and each video conference system feeds back a scheduling result instruction to the video conference scheduling system according to the communication connection and the video conference control instruction.
3. The method according to claim 2, wherein before the central control system respectively controls the video matrix and the audio matrix to output the input code stream of the designated terminal to the target screen through the video matrix interface and the audio matrix interface according to the audio/video switching instruction, the method further comprises:
and the chairman terminal and the adjusted terminal input a video code stream to the video matrix through the video matrix interface and input an audio code stream to the audio matrix through the audio matrix interface.
4. The method of claim 1, wherein the determining whether to forcibly pull the scheduled terminal out of the scheduling conference in which the scheduled terminal is currently located according to the determination result so that the scheduled terminal enters an idle state includes:
when the judgment result shows that the first priority is higher than the second priority, the video conference scheduling system quits the scheduled terminal from the current scheduling conference and adds the scheduled terminal into the target video scheduling conference;
and when the judgment result shows that the first priority is not higher than the second priority, finishing the scheduling of the scheduled terminal.
5. The method of claim 1, further comprising:
the video conference scheduling system acquires a one-key click-to-call instruction generated by a conference scheduling key;
the one-key click-to-call instruction comprises meeting information corresponding to the target video scheduling meeting;
and the video conference scheduling system displays the scheduling state of the scheduled terminal according to the scheduling result instruction fed back by the video conference system and the conference group information.
6. A flat video conference intelligent scheduling management system, characterized in that the system comprises:
the video conference scheduling system is used for acquiring a video conference service request, scheduling each video conference system interface through the middleware according to the video conference service request, and sending a video conference control instruction to each video conference system through each video conference system interface; the video conference service request comprises current scheduled terminal data; the current scheduled terminal data comprises manufacturer information and attribution unit information of the current scheduled terminal, and the video conference scheduling system automatically selects a manufacturer interface and a message route corresponding to the video conference service request according to the manufacturer information and the attribution unit information of the current scheduled terminal;
the video conference system is used for feeding back a scheduling result instruction to the video conference scheduling system according to the video conference control instruction;
the video conference scheduling system is also used for acquiring an audio and video switching instruction sent by the chairman terminal and sending the audio and video switching instruction to the central control system through the central control interface according to the scheduling result instruction;
the central control system is used for respectively controlling the video matrix and the audio matrix to output the input code stream of the appointed terminal to a target screen through the video matrix interface and the audio matrix interface according to the audio and video switching instruction;
the video conference system interface, the central control interface, the video matrix interface and the audio matrix interface are all universal protocol interfaces;
the system also comprises a chairman terminal and a regulated terminal; the video conference system is also used for calling a chairman terminal and a called terminal according to the video conference control instruction and establishing communication connection between the chairman terminal and the called terminal; and the video conference system is also used for feeding back a scheduling result instruction to the video conference scheduling system according to the communication connection and the video conference control instruction.
7. The system of claim 6, wherein the chairman terminal and the called terminal are configured to input a video bitstream to the video matrix through the video matrix interface, and input an audio bitstream to the audio matrix through the audio matrix interface.
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