CN111447402A - Menu display control method, device and equipment - Google Patents
Menu display control method, device and equipment Download PDFInfo
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- CN111447402A CN111447402A CN202010425015.8A CN202010425015A CN111447402A CN 111447402 A CN111447402 A CN 111447402A CN 202010425015 A CN202010425015 A CN 202010425015A CN 111447402 A CN111447402 A CN 111447402A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
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Abstract
The invention relates to the technical field of display, in particular to a menu display control method, device and equipment. The method comprises the following steps: receiving an operation command for operating a menu; identifying the operation command to obtain operation content corresponding to the operation command; generating a control message corresponding to the operation content; sending the control message to the one or more video systems, wherein the control message is used for controlling the one or more video systems to display the operation on the menu. The menu display control method provided by the invention identifies the operation command for operating the menu, obtains the operation content corresponding to the operation command, generates the control message corresponding to the operation content, controls one or more video systems to display the operation on the menu through the control message, is simple to operate and can meet the requirement of simultaneous operation of a plurality of systems.
Description
Technical Field
The invention relates to the technical field of display, in particular to a menu display control method, device and equipment.
Background
The OSD is an abbreviation of On Screen Display, and is applied to a CRT/L CD Display, and generates some special characters or graphics On the Screen of the Display to allow a user to obtain some information.
For a video system, such as a conference system, corresponding menu operations are often required during a video conference, and the purpose of displaying an OSD is to express information and interaction to a user, which generally includes configuration and display of prompts, warning information, control parameters, and the like. At present, there are two main OSD implementing methods in the video system, one is superposition synthesis between the external OSD generator and the video processor, and the other is that the video processor supports OSD, and OSD information is directly superposed inside when the video is output. For example, the existing conference system usually employs the second scheme, and the second scheme is directly superimposed on the video output inside the SOC system.
However, the inventor has found that, because video systems, especially conference systems, tend to have a distributed nature, there are multiple systems operating simultaneously, and the functions on each system are not completely uniform, resulting in different menu operations and display effects for different systems. However, in the prior art, the OSD function is integrated in a single system, and each system needs to be configured and operated respectively, so that the operation of the OSD function is complex, and the requirement of simultaneous operation of multiple systems cannot be met.
Disclosure of Invention
Therefore, the technical problem to be solved by the present invention is to provide a menu display control method, device and apparatus, in which the OSD function operation is complex and cannot meet the requirement of simultaneous operation of multiple systems in the prior art.
According to a first aspect, an embodiment of the present invention provides a menu display control method, used in a master control system, where the master control system is configured to control one or more video systems, and the menu display control method includes: receiving an operation command for operating a menu; identifying the operation command to obtain operation content corresponding to the operation command; generating a control message corresponding to the operation content; sending the control message to the one or more video systems, wherein the control message is used for controlling the one or more video systems to display the operation on the menu.
According to the menu display control method provided by the embodiment of the invention, the received operation command for operating the menu is identified to obtain the operation content corresponding to the operation command, the control message corresponding to the operation content is generated, and the control message is sent to one or more video systems to control the one or more video systems to display the operation on the menu, so that the operation content of the menu display is not required to be configured for each video system, the operation is simple, and the requirement that a plurality of video systems simultaneously display the menu can be met.
With reference to the first aspect, in a first implementation manner of the first aspect, the receiving an operation command for operating a menu includes: receiving the operation command input by a user; or receiving an operation command sent by third-party software installed on the main control system.
According to the menu display control method provided by the embodiment of the invention, the main control system not only can receive the operation command input by the user, but also can receive the operation command sent by the third-party software installed on the main control system, so that the menu display control mode can meet the requirements of different operation types, and the menu display control method is wider in applicability.
With reference to the first aspect, in a second implementation manner of the first aspect, the generating a control message corresponding to the operation content includes: calling a control interface of an OSD application module preset in the main control system to generate a control message corresponding to the operation content; the sending the control message to the one or more video systems comprises: and calling a message module preset in the master control system, and sending the control message to the one or more video systems by using the message module.
With reference to the second implementation manner of the first aspect, in a third implementation manner of the first aspect, a base class of the control interface is defined in the OSD application module, where the base class is a virtual function; the OSD application module also defines a class for calling a menu display function, and is used for inheriting the base class, reloading the virtual function and calling the operation content corresponding to the control interface; the OSD application module also defines a class for realizing message transmission, and is used for inheriting the class for calling the menu display function, reloading the virtual function and realizing the transmission of the control message corresponding to the operation content.
According to the menu display control method provided by the embodiment of the invention, the control interface of the OSD application module in the main control system is called to generate the control message corresponding to the operation content, and the message module in the main control system is called to send the control message to one or more video systems, wherein the control interface is defined as a base class, the base class is a virtual function, the class for calling the menu display function is defined, the base class is inherited, the virtual function is reloaded, the operation content corresponding to the control interface is called, the class for inheriting the menu display function is defined, the virtual function is reloaded, the control message corresponding to the operation content is transferred, and the requirement that a plurality of video systems simultaneously display menus can be met.
According to a second aspect, an embodiment of the present invention provides a menu display control method, for use in any one of distributed video systems, where the distributed video system includes a plurality of video systems, the menu display control method including: receiving a control message sent by a master control system, wherein the control message is used for controlling the one or more video systems to display the operation on the menu, and the master control system is used for controlling the distributed video systems; identifying the operation content in the control message, and overlaying the operation content on a video code stream; and outputting and displaying the video code stream superposed with the operation content.
According to the menu display control method provided by the embodiment of the invention, each video system receives the control message sent by the master control system, identifies the operation content in the control message, then superposes the operation content with the video code stream, and finally outputs and displays the video code stream superposed with the operation content, so that the display and operation of a menu page can be realized in the process of playing the video by the video system, the video picture which is played originally is not influenced, and meanwhile, the operation content of the video system to be subjected to menu display does not need to be respectively configured for each video system, the operation is simple, and the requirement of simultaneously carrying out menu display by a plurality of video systems can be met.
With reference to the second aspect, in a first implementation manner of the second aspect, the identifying the operation content in the control message, and overlaying the operation content onto a video bitstream includes: calling an OSD application module preset on the video system; and overlaying the operation content to the video code stream by utilizing the OSD application module.
According to a third aspect, an embodiment of the present invention provides a menu display control apparatus, configured to be used in a master control system, where the master control system is configured to control one or more video systems, and the menu display control apparatus includes: the command receiving module is used for receiving an operation command for operating the menu; the identification module is used for identifying the operation command to obtain operation content corresponding to the operation command; the generating module is used for generating a control message corresponding to the operation content; a sending module, configured to send the control message to the one or more video systems, where the control message is used to control the one or more video systems to display an operation on the menu.
The menu display control device provided by the embodiment of the invention identifies the received operation command for operating the menu to obtain the operation content corresponding to the operation command, generates the control message corresponding to the operation content, and sends the control message to one or more video systems to control the one or more video systems to display the operation on the menu, so that each video system is not required to be respectively configured with the operation content to be displayed on the menu, the operation is simple, and the requirement that a plurality of video systems simultaneously display the menu can be met.
According to a fourth aspect, an embodiment of the present invention provides a menu display control apparatus for use in any one of distributed video systems including a plurality of video systems, the menu display control apparatus including: a message receiving module, configured to receive a control message sent by a master control system, where the control message is used to control the one or more video systems to display an operation on the menu, and the master control system is used to control the distributed video systems; the superposition module is used for identifying the operation content in the control message and superposing the operation content on a video code stream; and the display module is used for outputting and displaying the video code stream superposed with the operation content.
According to the menu display control device provided by the embodiment of the invention, each video system receives the control message sent by the master control system, identifies the operation content in the control message and then overlaps the operation content with the video code stream, and finally outputs and displays the video code stream overlapped with the operation content, so that the operation content of the video system to be subjected to menu display does not need to be configured for each video system, the operation is simple, and the requirement of simultaneously performing menu display on a plurality of video systems can be met.
According to a fifth aspect, an embodiment of the present invention provides a menu display control system, including a master control system and one or more video systems, where the master control system is configured to receive an operation command for operating a menu; identifying the operation command to obtain operation content corresponding to the operation command; generating a control message corresponding to the operation content; sending the control message to the one or more video systems, the control message being used to control the one or more video systems to display operations on the menu; the one or more video systems are used for receiving a control message sent by the master control system; identifying the operation content in the control message, and overlaying the operation content on a video code stream; and outputting and displaying the video code stream superposed with the operation content.
According to the menu display control system provided by the embodiment of the invention, after the operation command for operating the menu is identified by the main control system, the corresponding operation content is obtained, the control message is generated and sent to one or more video systems, the one or more video systems identify the control message and then superimpose the operation content on the video code stream for display, the operation content to be displayed by the menu is not required to be configured for each video system, the operation is simple, and the requirement that a plurality of video systems simultaneously display the menu can be met.
According to a sixth aspect, an embodiment of the present invention provides a computer apparatus, including: a memory and a processor, the memory and the processor being communicatively connected to each other, the memory having stored therein computer instructions, and the processor executing the computer instructions to perform the menu display control method according to any one of the embodiments of the first aspect and/or the second aspect.
According to a seventh aspect, an embodiment of the present invention provides a computer-readable storage medium, where the computer-readable storage medium stores computer instructions for causing the computer to execute the menu display control method described in any one of the first aspect and/or the second aspect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a flowchart of a menu display control method according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an application scenario of an embodiment of the present invention;
FIG. 3 is a complete flow diagram of a menu display control method according to an embodiment of the present invention;
fig. 4 is a flowchart of a menu display control method according to an embodiment of the present invention;
FIG. 5 is a complete flow diagram of a menu display control method according to an embodiment of the present invention;
fig. 6 is a schematic configuration diagram of a menu display control apparatus according to an embodiment of the present invention;
fig. 7 is a schematic configuration diagram of a menu display control apparatus according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a menu display control system according to an embodiment of the present invention;
FIGS. 9A-9B are schematic diagrams of application scenarios of embodiments of the present invention;
fig. 10 is a schematic hardware structure diagram of a computer device according to an embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The embodiment provides a menu display control method, which is used for a master control system, wherein the master control system is used for controlling one or more video systems. The multiple video systems in the embodiment of the invention can be distributed multiple video terminals, the video terminals can perform video playing, playing control and the like, and the video terminals are provided with display interfaces for displaying control menus and video pictures; the main control system may be a control terminal that controls a plurality of video terminals. Of course, since each terminal (control terminal or video terminal) is provided with a corresponding operating system, the operating systems on different terminals may be the same or different. In the embodiment of the present invention, the video system may refer to an operating system on the video terminal, and correspondingly, the main control system may refer to an operating system on the control terminal. It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer-executable instructions and that, although a logical order is illustrated in the flowcharts, in some cases, the steps illustrated or described may be performed in an order different than presented herein. As shown in fig. 1, the process includes the following steps:
s11, an operation command for operating the menu is received.
The operation command in the embodiment of the present invention may be sent by the peripheral device, or may be sent by third-party software installed on the main control system. The peripheral device may be a remote controller, the remote controller may be a remote controller adopting an infrared transmission mode or a remote controller adopting other wireless transmission modes, and accordingly, the operation command may be an infrared signal sent by an infrared transmitter (installed on the remote controller), a control command sent by bluetooth, an operation command manually input by a user on the main control system, or an operation command sent by third-party software installed on the main control system, for example, the user sends an operation command for operating a menu by using a third-party APP on the main control system and calling a menu control interface through the third-party APP.
Fig. 2 is a schematic view of an application scenario according to an embodiment of the present invention, taking a video conference system as an example, as shown in fig. 2, the main control system may be a control center in the video conference system, the video system may be a conference terminal connected to the control center and having a display function, the control center may be wirelessly connected to an external input device, such as a remote controller, and when in use, the control center controls each of the conference terminals by receiving an operation command sent by the remote controller, and due to different conference terminals or different operation systems on the conference terminals, the operation of displaying the menu is not the same, for example, the conference terminals may be a mobile phone, a notebook, or a PC, or may be dedicated conference terminal devices, and different terminal devices have different menu displays; of course, for the same type of conference terminal, such as a dedicated conference terminal device, different types and versions of operating systems may be configured on different conference terminal devices, and the menu display thereof may have corresponding differences.
In combination with the application scenario, the operation command for operating the menu received by the control center may be an adding volume command, a playing speed control command, a picture display command, and the like, which are sent by the remote controller through an adding volume key, received by the control center. The menu display control method in the embodiment of the invention can also be applied to scenes such as an internet bar, a machine room and the like, wherein in the application scene of the internet bar, the main control system can refer to a network management computer, the video system can be computers positioned at various positions, and the main control system can control various other computers by receiving operation commands; for the computer room, for example, scenes such as a school electronic library or a teaching computer room are similar to scenes of an internet bar, and are not repeated. The above application scenario only explains the present embodiment, and it cannot be assumed that the present embodiment can only be applied to the above scenario.
And S12, identifying the operation command to obtain the operation content corresponding to the operation command.
After the main control system receives an operation command, where the operation command is usually a signal, for example, an infrared signal or a radio frequency signal or other signals, the main control system identifies the operation command of this type, and obtains a signal code corresponding to the operation command, for example, "0101", by analyzing in an analog-to-digital conversion or other manners, and operation contents corresponding to different signal codes are preset in the main control system, for example, the operation content corresponding to 0101 is a display menu, and the operation content corresponding to 0110 is a closed menu display. The present invention is not limited to the specific identification method.
Combining the application scenario, after recognizing that the signal code of the volume adding command sent by the remote controller is '0111', the control center performs addressing processing on the signal code '0111', and obtains an operation content 'display volume adding pattern' corresponding to the signal code '0111'.
And S13, generating a control message corresponding to the operation content.
A specific message transmission rule is established between the main control system and the video system, wherein the message transmission rule can be established by a user in a self-defined way, for example, the main control system and the video system are specified to transmit messages in a special character form, and after the main control system identifies operation content, the operation content is used for generating a corresponding control message according to the message transmission rule.
In conjunction with the application scenario, the control center generates a corresponding control message, such as "× ×) according to a specific message transmission rule between the conference terminal and the identified operation content" display volume increasing graph ".
S14, sending the control message to the one or more video systems. Wherein the control message is used to control the one or more video systems to display operations on the menu.
And the master control system copies the control messages according to the number of the currently controlled video systems and then respectively sends the copied control messages to the currently controlled video systems, wherein the number of the currently controlled video systems can be one or more.
In combination with the application scenario, the control center copies the control message, for example, "× ×) according to the number of currently controlled conference terminals, and then sends the copied control message to each currently controlled conference terminal.
According to the menu display control method provided by the embodiment of the invention, the received operation command for operating the menu is identified to obtain the operation content corresponding to the operation command, the control message corresponding to the operation content is generated, and the control message is sent to one or more video systems to control the one or more video systems to display the operation on the menu, so that the operation content of the menu display is not required to be configured for each video system, the operation is simple, and the requirement that a plurality of video systems simultaneously display the menu can be met.
Alternatively, fig. 3 is a complete flowchart of a menu display control method according to an embodiment of the present invention, and as shown in fig. 3, the S11 may include: receiving the operation command input by a user; or receiving an operation command sent by third-party software installed on the main control system.
Specifically, in an embodiment, in combination with the application scenario, the control center may receive an operation command sent by a user through a remote controller. In another embodiment, the control center may receive an operation command that a user uses a third party APP installed on the control center, and then calls the menu control interface through the third party APP to send the operation command to operate the menu.
According to the menu display control method provided by the embodiment of the invention, the main control system not only can receive the operation command input by the user, but also can receive the operation command sent by the third-party software installed on the main control system, so that the menu display control mode can meet the requirements of different operation types, and the menu display control method is wider in applicability.
Alternatively, the above S13 may be implemented by the following steps:
and calling a control interface of an OSD application module preset in the main control system to generate a control message corresponding to the operation content.
The above S14 can be implemented by the following steps:
and calling a message module preset in the master control system, and sending the control message to the one or more video systems by using the message module.
Specifically, the main control system is preset with an OSD application module and a message module, the OSD application module is configured to implement menu display of the one or more video systems, the message module is in communication connection with each video system, and is configured to send a control message generated after a control interface of the OSD application module is called to the one or more video systems, where the message module is in communication connection with each video system, and the connection may be a PCIE connection, a network connection, or an RS232 connection, and different connection modes should be matched with corresponding communication protocols, which is not limited herein.
Optionally, a base class of the control interface is defined in the OSD application module, where the base class is a virtual function; the OSD application module also defines a class for calling a menu display function, and is used for inheriting the base class, reloading the virtual function and calling the operation content corresponding to the control interface; the OSD application module also defines a class for realizing message transmission, and is used for inheriting the class for calling the menu display function, reloading the virtual function and realizing the transmission of the control message corresponding to the operation content.
Specifically, the OSD application module control interface base class is defined as a virtual function, the virtual function is a reloadable and customizable virtual function, and a user can display a menu as required and complete the required customized development by rewriting the virtual function; a class for calling a menu display function is defined in the OSD application module, and is used for inheriting the base class of the control interface, reloading the virtual function and calling operation contents corresponding to the control interface, wherein the operation contents comprise menu display contents of the one or more video systems; the OSD application module also defines a class for realizing message transmission, inherits the class of the calling menu display function, reloads the virtual function and realizes the transmission of the control message.
According to the menu display control method provided by the embodiment of the invention, the control interface of the OSD application module in the main control system is called to generate the control message corresponding to the operation content, and the message module in the main control system is called to send the control message to one or more video systems, wherein the control interface is defined as a base class, the base class is a virtual function, the class for calling the menu display function is defined, the base class is inherited, the virtual function is reloaded, the operation content corresponding to the control interface is called, the class for inheriting the menu display function is defined, the virtual function is reloaded, the control message corresponding to the operation content is transferred, and the requirement that a plurality of video systems simultaneously display menus can be met.
Example 2
The embodiment provides a menu display control method for any one of distributed video systems, wherein the distributed video systems comprise a plurality of video systems. The plurality of video systems in the embodiment of the invention are controlled by the main control system, the video systems can be video terminals, the video terminals can carry out video playing, playing control and the like, and the video terminals are provided with display interfaces for displaying control menus and video pictures; the main control system may be a control terminal that controls a plurality of video terminals. Of course, since each terminal (control terminal or video terminal) is provided with a corresponding operating system, the operating systems on different terminals may be the same or different. In the embodiment of the present invention, the video system may refer to an operating system on the video terminal, and correspondingly, the main control system may refer to an operating system on the control terminal. It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer-executable instructions and that, although a logical order is illustrated in the flowcharts, in some cases, the steps illustrated or described may be performed in an order different than presented herein. As shown in fig. 4, the method comprises the steps of:
and S21, receiving a control message sent by a master control system, wherein the control message is used for controlling the one or more video systems to display the operation on the menu, and the master control system is used for controlling the distributed video systems.
The control message in the embodiment of the present invention may be a control message generated after the main control system sends an operation command based on a peripheral device, for example, a remote controller, or may be a control message generated after the main control system generates an operation command based on direct manual input by a user, or may be a control message generated after the main control system generates an operation command based on installed third-party software.
In combination with the application scenario, the control message received by the video system and sent by the main control system may be a control message corresponding to "display volume graphics", "display play speed control graphics", and "display screen graphics" and generated after the main control system receives a volume adding command, a play speed control command, and a screen display command sent by a remote controller through a volume adding button, where the control message is generated according to a specific message transmission rule between the video system and the main control system, for example, the control message corresponding to "display volume adding graphics" is "× ×".
And S22, identifying the operation content in the control message, and overlaying the operation content on the video code stream.
The video system is preset with the specific message transmission rule, so as to identify the operation content in the control message according to the specific message transmission rule, and superimpose the identified operation content on the video code stream, specifically, a menu display picture corresponding to the operation content can be superimposed on a video frame picture currently being displayed, so as to complete the superimposition of the operation content on the video code stream. More specifically, in the overlaying process, a menu display image corresponding to the operation content may be obtained first, the position of the menu display image on the display interface of the video system is determined, a video frame image currently being displayed is obtained, and the menu display image is overlaid to the corresponding position of the video frame image currently being displayed according to the determined position. The menu display picture can be overlaid on the video frame picture in an opaque covering mode or in a semitransparent covering mode at a corresponding position.
And combining a specific application scene, identifying the received control message "× ×) according to the specific message transmission rule by the video system, and after obtaining the operation content of the" display volume graphics ", overlaying the" volume graphics ", such as" × ", onto the corresponding position of the currently played video frame picture.
And S23, outputting and displaying the video code stream superposed with the operation content.
And combining the application scene, outputting and displaying the video code stream overlapped with the operation content by the video system, and displaying the currently played video and the volume adding graph on a display screen together.
According to the menu display control method provided by the embodiment of the invention, each video system receives the control message sent by the master control system, identifies the operation content in the control message, then superposes the operation content with the video code stream, and finally outputs and displays the video code stream superposed with the operation content, so that the display and operation of a menu page can be realized in the process of playing the video by the video system, the video picture which is played originally is not influenced, and meanwhile, the operation content of the video system to be subjected to menu display does not need to be respectively configured for each video system, the operation is simple, and the requirement of simultaneously carrying out menu display by a plurality of video systems can be met.
Alternatively, as shown in fig. 5, the above S22 may be implemented by the following steps:
and S221, calling an OSD application module preset on the video system.
S222, the OSD application module is utilized to overlay the operation content to the video code stream.
Specifically, the video system and the main control system may be simultaneously provided with an OSD application module, and in the video system, the OSD application module is called to identify operation content in a control message sent by the main control system and superimpose the operation content on a video code stream of the video system.
Example 3
In this embodiment, a menu display control device is provided, which is used to implement the foregoing embodiment 1 and the preferred embodiments thereof, and the description thereof is omitted for brevity. As used below, the term "module" may be a combination of software and/or hardware that implements a predetermined function. Although the means described in the embodiments below are preferably implemented in software, an implementation in hardware, or a combination of software and hardware is also possible and contemplated.
This embodiment provides a menu display device, is used in a master control system, the master control system is used for controlling one or more video systems, as shown in fig. 6, the device includes: a command receiving module 31, configured to receive an operation command for operating a menu; the identification module 32 is configured to identify the operation command to obtain an operation content corresponding to the operation command; a generating module 33, configured to generate a control message corresponding to the operation content; a sending module 34, configured to send the control message to the one or more video systems, where the control message is used to control the one or more video systems to display an operation on the menu.
The menu display control device provided by the embodiment of the invention identifies the received operation command for operating the menu to obtain the operation content corresponding to the operation command, generates the control message corresponding to the operation content, and sends the control message to one or more video systems to control the one or more video systems to display the operation on the menu, so that each video system is not required to be respectively configured with the operation content to be displayed on the menu, the operation is simple, and the requirement that a plurality of video systems simultaneously display the menu can be met.
Example 4
In this embodiment, a menu display control device is provided, which is used to implement embodiment 2 and the preferred embodiment thereof, and the description of the device already made is omitted. As used below, the term "module" may be a combination of software and/or hardware that implements a predetermined function. Although the means described in the embodiments below are preferably implemented in software, an implementation in hardware, or a combination of software and hardware is also possible and contemplated.
This embodiment provides a menu display control apparatus for any one of distributed video systems including a plurality of video systems, as shown in fig. 7, the apparatus including: a message receiving module 41, configured to receive a control message sent by a master control system, where the control message is used to control the one or more video systems to display an operation on the menu, and the master control system is used to control the distributed video systems; the superposition module 42 is used for identifying the operation content in the control message and superposing the operation content on the video code stream; and the display module 43 is configured to output and display the video code stream on which the operation content is superimposed.
According to the menu display control device provided by the embodiment of the invention, each video system receives the control message sent by the master control system, identifies the operation content in the control message and then overlaps the operation content with the video code stream, and finally outputs and displays the video code stream overlapped with the operation content, so that the operation content of the video system to be subjected to menu display does not need to be configured for each video system, the operation is simple, and the requirement of simultaneously performing menu display on a plurality of video systems can be met.
Example 5
The present embodiment provides a menu display control system, as shown in fig. 8, the system includes a main control system and one or more video systems, the main control system is in communication connection with the video systems, wherein the main control system is configured to receive an operation command for operating a menu; identifying the operation command to obtain operation content corresponding to the operation command; generating a control message corresponding to the operation content; sending the control message to the one or more video systems, the control message being used to control the one or more video systems to display operations on the menu; the one or more video systems are used for receiving a control message sent by the master control system; identifying the operation content in the control message, and overlaying the operation content on a video code stream; and outputting and displaying the video code stream superposed with the operation content.
Specifically, the menu display control system may be applied to a video conference system, and may also be applied to any scene that requires one or more display devices to display a menu, such as an internet cafe, a computer room, and the like, which is not limited herein. When the menu display control system is applied to a video conference system, the main control system may be a control center or a platform of the video conference system, the video system may be a conference terminal with a display function, the control center identifies received operation commands to obtain corresponding operation contents, generates control messages and sends the control messages to one or more conference terminals, and after the one or more conference terminals receive the control messages, the one or more conference terminals identify the operation contents in the control messages to be superimposed on a currently played video code frame, and finally, a video with the operation contents is displayed.
According to the menu display control system provided by the embodiment of the invention, after the operation command for operating the menu is identified by the main control system, the corresponding operation content is obtained, the control message is generated and sent to one or more video systems, the one or more video systems identify the control message and then superimpose the operation content on the video code stream for display, the operation content to be displayed by the menu is not required to be configured for each video system, the operation is simple, and the requirement that a plurality of video systems simultaneously display the menu can be met.
Fig. 9A is a schematic view of an application scenario of an embodiment of the present invention, and as shown in fig. 9A, the menu display system includes a main control system and a video system, where the main control system and the video system respectively include an OSD application module and a message module, the main control system and the message module in the video system may be in communication connection in a network, PCIE, or a serial port, and the like, and the main control system further includes a central control unit, where different communication connection modes should be matched with corresponding communication protocols and data transmission rules. The flow of the selectable menu display control method of the embodiment of the invention is as follows:
s1, after receiving an operation command for operating the menu, the central control unit identifies the operation command to obtain the corresponding operation content;
s2, the central control unit calls a control interface of the OSD application module according to the operation content;
s3, the OSD application module generates a control message corresponding to the operation content;
s4, the OSD application module sends the control message to a video system by calling the message module;
s5, after receiving the control message, the message module in the video system transmits the control message to the OSD application module of the video system;
and S6, the OSD application module in the video system identifies the control message to obtain the corresponding operation content, and outputs the operation content and the currently played video code stream after overlapping.
Fig. 9B is a schematic view of another application scenario according to an embodiment of the present invention, and as shown in fig. 9B, the menu display system includes a main control system and a video system, the main control system and the video system are respectively provided with OSD application modules, and the OSD application modules implement message transmission through a message module. The OSD application module calls a corresponding control interface according to operation content, such as opening a menu and other menu operations, to generate a corresponding control message, where the control interface may be understood as a storage address corresponding to the operation content in the OSD application module.
And the OSD application module in the video system receives the control message and then identifies the control message to obtain operation contents, such as opening a menu and other menu operations, and outputs the operation contents and the currently played video after overlapping. It should be noted that, in the application scenarios shown in fig. 9A and 9B, the video system may refer to any video system that the user desires to display a menu.
Example 6
The present embodiment provides a computer device having the apparatuses shown in fig. 6 and fig. 7, please refer to fig. 10, fig. 10 is a schematic structural diagram of a computer device according to the present embodiment, and as shown in fig. 10, the computer device may include: at least one processor 91, such as a CPU (Central Processing Unit), at least one communication interface 93, memory 94, and at least one communication bus 92. Wherein a communication bus 92 is used to enable the connection communication between these components. The communication interface 93 may include a Display (Display) and a Keyboard (Keyboard), and the optional communication interface 93 may also include a standard wired interface and a standard wireless interface. The Memory 94 may be a high-speed RAM (Random Access Memory) or a non-volatile Memory, such as at least one disk Memory. The memory 94 may alternatively be at least one memory device located remotely from the processor 91. Wherein the processor 91 may be combined with the apparatus described in fig. 6 and fig. 7, the memory 94 stores an application program, and the processor 91 calls the program code stored in the memory 94 for executing the steps described in any of the above method embodiments.
The communication bus 92 may be a Peripheral Component Interconnect (PCI) bus or an Extended Industry Standard Architecture (EISA) bus. The communication bus 92 may be divided into an address bus, a data bus, a control bus, and the like. For ease of illustration, only one thick line is shown in FIG. 10, but this is not intended to represent only one bus or type of bus.
The memory 94 may include a volatile memory (RAM), such as a random-access memory (RAM); the memory may also include a non-volatile memory (english: non-volatile memory), such as a flash memory (english: flash memory), a hard disk (english: hard disk drive, abbreviation: HDD), or a solid-state drive (english: SSD); memory 94 may also comprise a combination of the above types of memory.
The processor 91 may be a Central Processing Unit (CPU), a Network Processor (NP), or a combination of a CPU and an NP.
The processor 91 may further include a hardware chip, which may be an application-specific integrated circuit (ASIC), a programmable logic device (CP L D), or a combination thereof, and the P L D may be a complex programmable logic device (CP L D), a field-programmable gate array (FPGA), a general-purpose array logic (GA L), or any combination thereof.
Optionally, the memory 94 is also used to store program instructions. The processor 91 may call program instructions to implement a menu display control method as shown in the embodiments of fig. 1, 3-5 of the present application.
Example 7
The present embodiment provides a computer-readable storage medium storing computer instructions for causing the computer to execute the menu display control method shown in fig. 1, 3-5. The storage medium may be a magnetic Disk, an optical Disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a Flash Memory (Flash Memory), a Hard Disk (Hard Disk Drive, abbreviated as HDD), a Solid State Drive (SSD), or the like; the storage medium may also comprise a combination of memories of the kind described above.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A menu display control method is used for a main control system, the main control system is used for controlling one or more video systems, and the menu display control method comprises the following steps:
receiving an operation command for operating a menu;
identifying the operation command to obtain operation content corresponding to the operation command;
generating a control message corresponding to the operation content;
sending the control message to the one or more video systems, wherein the control message is used for controlling the one or more video systems to display the operation on the menu.
2. The menu display control method according to claim 1, wherein the receiving of an operation command for operating a menu comprises:
receiving the operation command input by a user;
or receiving an operation command sent by third-party software installed on the main control system.
3. The menu display control method of claim 1,
the generating of the control message corresponding to the operation content includes: calling a control interface of an OSD application module preset in the main control system to generate a control message corresponding to the operation content;
the sending the control message to the one or more video systems comprises: and calling a message module preset in the master control system, and sending the control message to the one or more video systems by using the message module.
4. The menu display control method of claim 3, wherein a base class of the control interface is defined in the OSD application module, and the base class is a virtual function;
the OSD application module also defines a class for calling a menu display function, and is used for inheriting the base class, reloading the virtual function and calling the operation content corresponding to the control interface;
the OSD application module also defines a class for realizing message transmission, and is used for inheriting the class for calling the menu display function, reloading the virtual function and realizing the transmission of the control message corresponding to the operation content.
5. A menu display control method for use in any one of distributed video systems, the distributed video system including a plurality of video systems, the menu display control method comprising:
receiving a control message sent by a master control system, wherein the control message is used for controlling the one or more video systems to display the operation on the menu, and the master control system is used for controlling the distributed video systems;
identifying the operation content in the control message, and overlaying the operation content on a video code stream;
and outputting and displaying the video code stream superposed with the operation content.
6. The menu display control method of claim 5, wherein the identifying the operation content in the control message and overlaying the operation content onto a video bitstream comprises:
calling an OSD application module preset on the video system;
and overlaying the operation content to the video code stream by utilizing the OSD application module.
7. A menu display control apparatus for a master control system for controlling one or more video systems, the menu display control apparatus comprising:
the command receiving module is used for receiving an operation command for operating the menu;
the identification module is used for identifying the operation command to obtain operation content corresponding to the operation command;
the generating module is used for generating a control message corresponding to the operation content;
a sending module, configured to send the control message to the one or more video systems, where the control message is used to control the one or more video systems to display an operation on the menu.
8. A menu display control apparatus for use in any one of distributed video systems including a plurality of video systems, the menu display control apparatus comprising:
a message receiving module, configured to receive a control message sent by a master control system, where the control message is used to control the one or more video systems to display an operation on the menu, and the master control system is used to control the distributed video systems;
the superposition module is used for identifying the operation content in the control message and superposing the operation content on a video code stream;
and the display module is used for outputting and displaying the video code stream superposed with the operation content.
9. A menu display control system comprising a master control system and one or more video systems, wherein,
the main control system is used for receiving an operation command for operating the menu; identifying the operation command to obtain operation content corresponding to the operation command; generating a control message corresponding to the operation content; sending the control message to the one or more video systems, the control message being used to control the one or more video systems to display operations on the menu;
the one or more video systems are used for receiving a control message sent by the master control system; identifying the operation content in the control message, and overlaying the operation content on a video code stream; and outputting and displaying the video code stream superposed with the operation content.
10. A computer device, comprising: a memory and a processor, the memory and the processor being communicatively connected to each other, the memory having stored therein computer instructions, the processor executing the computer instructions to perform the menu display control method of any one of claims 1-4 and/or 5-6.
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| CN115268716A (en) * | 2022-08-03 | 2022-11-01 | 芯华章科技股份有限公司 | Debugging method, electronic device, and storage medium |
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