CN112286473A - Screen-casting content processing method and information control center equipment - Google Patents
Screen-casting content processing method and information control center equipment Download PDFInfo
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- CN112286473A CN112286473A CN202011151594.8A CN202011151594A CN112286473A CN 112286473 A CN112286473 A CN 112286473A CN 202011151594 A CN202011151594 A CN 202011151594A CN 112286473 A CN112286473 A CN 112286473A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
Abstract
The invention discloses a method for processing screen projection content, which is applied to information control center equipment, wherein the information control center equipment is at least in communication connection with a main display equipment and is used for transmitting the screen projection content to the main display equipment so as to be displayed by the main display equipment, and the method comprises the following steps: obtaining a first control instruction, wherein the first control instruction is used for indicating the information control center equipment to execute screen projection content locking operation; in response to the first control instruction, stopping transmitting screen projection content to the main display equipment, and recording screen projection content updating on the information control center equipment; obtaining a second control instruction, wherein the second control instruction is used for instructing the information control center to execute screen projection content screen unlocking operation; and responding to the second control instruction, and starting to transmit the updated screen projection content to the main display equipment. The invention can realize that the modification process of the teacher at the equipment end is not displayed on the display equipment under the condition of not pulling out the signal line between the display equipment and the teacher equipment end.
Description
Technical Field
The invention relates to the technical field of smart campuses, in particular to a screen projection content processing method and information control center equipment.
Background
In the existing teaching process, a teacher often makes the content of a lecture into a PPT or other format file and displays the PPT or other format file on a large screen for teaching, the large screen is connected with a device end of the teacher, and the large screen and a screen of the device end of the teacher are synchronously displayed in real time, so that when the teacher needs to modify the file at the device end, the whole modification process is synchronously displayed on the large screen. In the prior art, in order to prevent the modification process at the device end from being displayed on a large screen, the power supply of the large screen is generally turned off or a signal line between the device end and the large screen is pulled out to achieve the effect, so that the whole process is very inconvenient and the teaching process is seriously hindered.
Disclosure of Invention
The invention provides a screen projection content processing method and information control center equipment, which can realize that a teacher does not display a modification process on display equipment at the equipment end under the condition of not pulling out a signal line between the display equipment and the teacher equipment end.
One aspect of the present invention provides a method for processing screen projection content, where the method is applied to an information control center device, and the information control center device is in communication connection with at least a main display device, and is configured to transmit screen projection content to the main display device for display by the main display device, where the method includes: obtaining a first control instruction, wherein the first control instruction is used for instructing the information control center equipment to execute screen projection content locking operation; in response to the first control instruction, stopping transmitting screen projection content to the main display equipment, and recording screen projection content updating on the information control center equipment; obtaining a second control instruction, wherein the second control instruction is used for instructing the information control center to execute screen projection content screen unlocking operation; and responding to the second control instruction, and starting to transmit the updated screen projection content to the main display equipment.
In an embodiment, the information control center device is connected to at least one secondary display device, and is configured to transmit screen projection content to the secondary display device for display by the secondary display device, and the method further includes: when the first control instruction is obtained, stopping transmitting screen projection content to the secondary display equipment; and when the second control instruction is obtained, starting to transmit the updated screen projection content to the secondary display equipment.
In one embodiment, the obtaining the first control instruction includes: when a first button on the information control center equipment is triggered, obtaining the first control instruction; or, when the information control center equipment receives a first trigger instruction, generating the first control instruction; or, when the information control center device judges that a first trigger condition is met, generating the first control instruction; correspondingly, the obtaining of the second control instruction includes: when a second button on the information control center equipment is triggered, obtaining the second control instruction; or, when the information control center equipment receives a second trigger instruction, generating the second control instruction; or, when the information control center device determines that a second trigger condition is met, generating the second control instruction.
In an implementation manner, the generating the first control instruction when the information control center device determines that the first trigger condition is satisfied includes: judging whether a preset first trigger condition is met or not according to sensing data acquired by sensing equipment, and generating a first control instruction when the preset first trigger condition is met; when the information control center equipment judges that a second trigger condition is met, generating the second control instruction comprises the following steps: and judging whether the preset second trigger condition is met or not according to the sensing data acquired by the sensing equipment, and generating the second control instruction when the judgment is met.
In an implementation manner, the first control instruction includes an identifier of the screen locking target device, and the method further includes: in response to the first control instruction, stopping transmitting screen projection content to the display equipment corresponding to the screen locking target equipment identification; the second control instruction comprises an identification of the screen-unlocking target device, and the method further comprises the following steps: responding to the second control instruction, and starting to transmit updated screen projection content to the display equipment corresponding to the screen-off target equipment identifier; and the screen unlocking target equipment identification comprises all equipment identifications or part of equipment identifications in the screen locking target equipment identification.
In an embodiment, the method further comprises: recording the pause position of the screen projection content when responding to the first control instruction; correspondingly, when responding to the second control instruction, the updated screen projection content is transmitted to the display device from the suspension position; or, the second control instruction includes an updated initial transmission position of the screen projection content, and correspondingly, when responding to the second control instruction, the updated screen projection content is transmitted to the display device from the initial transmission position in the second control instruction, and the initial transmission positions corresponding to different display devices are the same or different.
Another aspect of the present invention provides an information control center device, the information control center device being communicatively connected to at least a main display device, and configured to transmit screen projection content to the main display device for display by the main display device, the information control center device including:
the instruction acquisition unit is used for acquiring a first control instruction, and the first control instruction is used for instructing the information control center equipment to execute screen projection content locking operation; the information control center is also used for acquiring a second control instruction, and the second control instruction is used for indicating the information control center to execute screen projection content screen unlocking operation;
the control processing unit is used for stopping transmitting screen projection content to the main display equipment and recording screen projection content updating on the information control center equipment when responding to the first control instruction; and the main display device is also used for starting to transmit the updated screen projection content to the main display device when responding to the second control instruction.
In an implementation manner, the information control center device is connected with at least one secondary display device and is used for transmitting screen projection content to the secondary display device for the secondary display device to display;
the control processing unit is further used for stopping transmitting screen projection content to the secondary display equipment when the first control instruction is obtained; and when the second control instruction is obtained, starting to transmit the updated screen projection content to the secondary display equipment.
In an implementation manner, the first control instruction includes a screen locking target device identifier, and correspondingly, the control processing unit is further configured to, when responding to the first control instruction, suspend transmission of screen projection content to a display device corresponding to the screen locking target device identifier;
the second control instruction comprises an identifier of the screen-off target device, and correspondingly, the control processing unit is further configured to start transmitting updated screen-casting content to the display device corresponding to the identifier of the screen-off target device when responding to the second control instruction;
and the screen unlocking target equipment identification comprises all equipment identifications or part of equipment identifications in the screen locking target equipment identification.
In one embodiment, the control processing unit is further configured to,
recording the pause position of the screen projection content when responding to the first control instruction; correspondingly, when responding to the second control instruction, the updated screen projection content is transmitted to the display device from the suspension position;
or, the second control instruction includes an updated initial transmission position of the screen projection content, and correspondingly, when responding to the second control instruction, the updated screen projection content is transmitted to the display device from the initial transmission position in the second control instruction, and the initial transmission positions corresponding to different display devices are the same or different.
In another aspect, the present invention provides a system for processing screen projection content, including: the information control center equipment is in communication connection with the main display equipment and is used for transmitting screen projection content to the main display equipment so as to be displayed by the main display equipment; the main display equipment is used for displaying screen projection content according to the control of the information control center equipment;
the information control center equipment is also used for stopping transmitting screen projection content to the main display equipment when a first control instruction is obtained, and recording screen projection content updating on the information control center equipment; and when a second control instruction is obtained, starting to transmit the updated screen projection content to the main display equipment.
In an implementation manner, the system further comprises a secondary display device, wherein the secondary display device is in communication connection with the information control center device and is used for displaying the screen projection content according to the control of the information control center device;
the information control center equipment is also used for stopping transmitting screen projection content to the secondary display equipment when the first control instruction is obtained; and when the second control instruction is obtained, starting to transmit the updated screen projection content to the secondary display equipment.
According to the method, the information control center equipment and the system for processing the screen projection content, the screen locking operation is carried out through the first control instruction to stop transmitting the screen projection content to the main display equipment, so that the main display equipment always displays the stopped picture, and in the process of modifying the screen projection content by a teacher, the modification process cannot be displayed on the main display equipment; after the modification is finished, screen unlocking operation can be realized through the second control instruction, namely, the suspension information transmission state is released, the updated content is continuously transmitted to the main display device, and the modification process of the teacher at the device end can be realized without pulling out a signal line between the display device and the teacher device end and is not displayed on the display device.
Drawings
The above and other objects, features and advantages of exemplary embodiments of the present invention will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the invention are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which:
in the drawings, the same or corresponding reference numerals indicate the same or corresponding parts.
Fig. 1 shows a schematic view of an actual scene of a classroom/conference room according to an embodiment of the present invention;
FIG. 2 is a flow chart illustrating a method for screen shot content processing according to an embodiment of the invention;
FIG. 3 is a schematic diagram illustrating a composition structure of a screen-shot content processing system according to an embodiment of the present invention;
fig. 4 is a schematic diagram showing a configuration of an information control center device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
The following first describes an implementation environment of the embodiment of the present invention, as shown in fig. 1, fig. 1 shows a schematic diagram of an actual scene of a classroom/conference room of the embodiment of the present invention. In the classroom/conference room shown in fig. 1, a main display device, a secondary display device, and an information control center device are provided, where the information control center device is a control core of the whole classroom/conference room information processing system, and may be used to control display operations of the main display device and the secondary display device, the information control center device is respectively in communication connection with the main display device and each secondary display device, and the communication connection may be a wired connection or a wireless connection. The participants of the conference or the students in the classroom may be grouped, each group corresponding to a different secondary display device, 6 groups are shown in fig. 1, each group being provided with a corresponding secondary display device, each group having 5 seats, the arrangement of seats in each group being arranged close to the secondary display device of the group. It should be noted that the number of the groups and the number of the seats in each group may be set according to actual needs, and the number is not limited in the embodiment of the present invention. The main display device is used for the speaker of the classroom/conference to operate and use, and the information content displayed by the main display device can be watched by each group member; the secondary display device is used for the group member in the group to operate and use, of course, the information content displayed by the secondary display device can be watched by the group member, and the group member can also transmit the information content on the handheld device to the corresponding secondary display device for displaying. In addition, the information content displayed by the main display device can also be broadcasted to each secondary display device for synchronous display, so that each group member only needs to watch the secondary display device of the group, and does not need to watch the main display device.
In addition, in the embodiment of the present invention, the main display device and each secondary display device may adopt a screen projection device, such as a projector, or may also adopt a display screen, such as a television display screen or a computer display screen.
The following describes in detail a method for implementing screen-shot content processing according to an embodiment of the present invention in conjunction with the classroom/conference room environment shown in fig. 1.
As shown in fig. 2, fig. 2 shows a method for processing screen-shot content according to an embodiment of the present invention, where the method for processing screen-shot content according to the embodiment of the present invention is applied to an information control center device, and the information control center device is in communication connection with at least one main display device and is used to transmit screen-shot content to the main display device for the main display device to display, and the method includes:
The first control instruction is issued by the speaker, and certainly not limited to the speaker, it may be issued by any person with operation authority.
For example: the speaker needs to modify the wrong content when finding that the PPT of the lecture content has writing errors or other errors, but the modification process does not need to be displayed on the main display device in real time, so that the speaker sends a first control instruction to the information control center device in communication connection with the main display device through specific operation.
When the information control center device receives the first control instruction and executes the first control instruction to no longer send information to the main display device, that is, when the first instruction is executed, the content displayed on the main display device is the picture before suspension, and no picture update is performed, so in the process, the content update on the information control center device is not displayed on the main display device, and in addition, the information control center device records the content update of the information control center device. Of course, after the first instruction is executed, contents other than the picture before the pause, such as a screen saver picture/a display desktop, etc., may also be displayed on the main display device, which may be preset according to actual needs.
And 203, obtaining a second control instruction, wherein the second control instruction is used for instructing the information control center to execute screen-projecting content screen-unlocking operation.
Correspondingly, the second control instruction is also sent out by the speaker, certainly not limited to the speaker, and can be sent out by any person with operation authority.
Such as: after the content on the information control center equipment is modified by the speaker, if the content needs to continue the classroom, the speaker sends a second control instruction to the information control center equipment through operation.
And step 204, responding to the second control instruction, and starting to transmit the updated screen projection content to the main display device.
And when the second control instruction is executed, the information control center transmits information to the main display device again, and the transmitted information is the content modified by the main speaker.
The processing method of the screen projection content provided by the embodiment of the invention has the advantages that the screen locking operation is carried out through the first control instruction to stop transmitting the screen projection content to the main display equipment, so that the main display equipment always displays the picture when the screen projection content is stopped, the modification process is not displayed on the main display equipment in the process of modifying the screen projection content by a teacher, the screen unlocking operation can be carried out through the second control instruction after the modification is finished, namely, the transmission state of the stop information is released, the updated content is continuously transmitted to the main display equipment, and the modification process of the teacher at the equipment end is not displayed on the display equipment under the condition of not pulling out a signal line between the display equipment and the teacher equipment end.
In an implementation manner, the information control center device is connected with at least one primary display device and is used for transmitting screen projection content to the secondary display device for the secondary display device to display, and the method further comprises the following steps:
when the first control instruction is obtained, stopping transmitting screen projection content to the secondary display equipment;
and when the second control instruction is obtained, starting to transmit the updated screen projection content to the secondary display equipment.
When the teaching content is played on the main display device, the content displayed on the main display device is broadcasted to the secondary display devices of all groups, so that the members of the group only need to watch the secondary display devices in the group, and the teaching content display device is more convenient.
When the first control instruction is acquired, information transmission between the secondary display device and the information control center device is also stopped, and the content displayed on the secondary display device is the picture before the stop. Of course, after the first instruction is executed, contents other than the picture before the pause, such as a screen saver picture/a display desktop, etc., may also be displayed on the secondary display device, which may be preset according to actual needs.
And when the second control instruction is obtained, the information transmission between the secondary display equipment and the information control center equipment is recovered, and the content displayed on the secondary display equipment is the content updated by the information control center equipment.
In one embodiment, the first control instruction comprises:
when a first button on the information control center equipment is triggered, obtaining a first control instruction;
for example: the method comprises the steps that a first physical button is arranged on the information control center equipment or a first trigger button is arranged on a control panel of the information control center equipment, and a first control instruction is sent to the information control center equipment by pressing the first physical button or the first trigger button arranged on the control panel by a speaker.
Or, when the information control center equipment receives the first trigger instruction, generating a first control instruction;
for example: the method comprises the steps that a speaker (certainly not limited to the identity of the speaker, and any other person can also be used for operation) operates a handheld device (such as a mobile phone, a tablet computer, a handheld remote controller and the like)/a fixed device to send out a first trigger instruction, and a first control instruction is generated according to the trigger instruction, provided that the handheld device/the fixed device is to establish communication connection with an information control center device and can be used as an instruction trigger device of the information control center device.
Or, when the information control center equipment judges that the first trigger condition is met, generating a first control instruction;
the method includes the steps that a first trigger condition is preset in information control center equipment, a speaker carries out certain operation when the speaker needs to send a first control instruction, and the first control instruction is generated when the certain operation is consistent with the first trigger condition preset in the information control center equipment.
Correspondingly, obtaining the second control instruction comprises:
when a second button on the information control center equipment is triggered, a second control instruction is obtained;
for example: the second physical button is arranged on the information control center equipment, the second trigger button can also be arranged on an operation interface of the information control center equipment, and when the speaker needs to send the second control instruction, the first control instruction is sent to the information control center equipment by pressing the second physical button or the second trigger button.
Or, when the information control center equipment receives a second trigger instruction, generating a second control instruction;
for example: the speaker (certainly not limited to the identity of the speaker, and anyone else may also be used to operate) operates the handheld device (e.g., a mobile phone, a tablet computer, a handheld remote controller, etc.)/the fixed device issues a second trigger instruction, and the information control center device generates the second control instruction according to the second trigger instruction, provided that the handheld device/the fixed device is to establish a communication connection with the information control center device and can be used as an instruction trigger device of the information control center device.
Or, when the information control center equipment judges that the second trigger condition is met, generating a second control instruction.
The second trigger condition is preset in the information control center equipment, the speaker performs a certain operation when needing to send a second control instruction, and the second control instruction is generated when the certain operation is consistent with the second trigger condition preset in the information control center equipment.
In an implementation manner, when the information control center device determines that the first trigger condition is satisfied, generating the first control instruction includes: judging whether a preset first trigger condition is met or not according to sensing data acquired by sensing equipment, and generating a first control instruction when the preset first trigger condition is met;
for example: the information control center equipment is preset with a sound triggering condition as a first triggering condition, when a speaker needs to send a first control instruction, the speaker sends sound information to the information control center equipment, a sound collecting device (such as a sound sensor and the like) collects the sound information of the speaker, the sound collecting device is in communication connection with the information control center equipment, the sound information collected by the sound collecting device is compared with the sound triggering condition preset in the information control center equipment, and when the sound information collected by the sound collecting device is consistent with the first triggering condition, the first control instruction is generated.
When the information control center equipment judges that the second trigger condition is met, generating a second control instruction, wherein the second control instruction comprises the following steps: and judging whether a preset second trigger condition is met or not according to sensing data acquired by the sensing equipment, and generating a second control instruction when the preset second trigger condition is met.
For example: the information control center equipment is preset with a sound triggering condition as a second triggering condition, when a speaker needs to send a second control instruction, the speaker sends sound information to the information control center equipment, a sound collecting device (such as a sound sensor and the like) collects the sound information of the speaker, the sound collecting device is in communication connection with the information control center equipment, the sound information collected by the sound collecting device is compared with the sound triggering condition preset in the information control center equipment, and when the sound information collected by the sound collecting device is consistent with the second triggering condition, the second control instruction is generated
In an implementation manner, the first control instruction includes an identifier of the screen locking target device, and the screen-shot content processing method further includes: in response to the first control instruction, stopping transmitting screen projection content to the display equipment corresponding to the screen locking target equipment identifier;
the above steps are performed when the process of the speaker's modify operation is not displayed on a particular device, for example: the speaker does not want to display the modification process on the primary display device during modification, so that the first control instruction includes the identifier of the primary display device, and the modification process is not displayed on the primary display device but is displayed on the secondary display device in real time only for the primary display device when information transmission is suspended.
The second control instruction comprises an identifier of the screen-off target device, and the screen-projecting content processing method further comprises the following steps: responding to the second control instruction, and starting to transmit updated screen projection content to the display equipment corresponding to the screen-off target equipment identifier;
if the speaker only releases the lock screen of the specific device, the second control command includes the identifier of the device needing to release the lock screen, for example: when the speaker needs to compare the content before and after modification, the second control instruction sent by the speaker contains the identifications of all the secondary display devices but does not contain the identification of the main display device.
The screen unlocking target equipment identification comprises all equipment identifications or part of equipment identifications in the screen locking target equipment identification.
In an implementation manner, the screen projection content processing method further includes:
recording the pause position of the screen projection content when responding to the first control instruction; correspondingly, when responding to the second control instruction, the updated screen projection content is transmitted to the display device from the stopping position;
or, the second control instruction includes an updated initial transmission position of the screen projection content, and correspondingly, when responding to the second control instruction, the updated screen projection content is transmitted to the display device from the initial transmission position in the second control instruction, and the initial transmission positions corresponding to different display devices are the same or different.
The modified content can be used for overlaying the content displayed on the display device before the pause by recording the pause position of the screen-shot content or the initial transmission position of the updated screen-shot content, for example: the content displayed on the main display device before the pause is a fifty-th page, and by recording the position of the fifty-th page, fifty pages after the update thereof when the content transmission is resumed after the modification overwrites the fifty pages before the update.
Corresponding to the method for processing screen-shot content in the embodiment of the present invention, an embodiment of the present invention further provides a system for processing screen-shot content, as shown in fig. 3 and 4, the system includes:
an information control center device 100 and a main display device 200, the information control center device 100 is connected in communication with the main display device 200,
the information control center apparatus 100 includes:
the device comprises an instruction acquisition unit 10, a screen projection content locking unit and a screen projection content locking unit, wherein the instruction acquisition unit is used for acquiring a first control instruction which is used for instructing information control center equipment to execute screen projection content locking operation; the information control center is used for acquiring a first control instruction, and the first control instruction is used for instructing the information control center to execute screen projection content screen unlocking operation;
a control processing unit 20, configured to, in response to the first control instruction, suspend transmission of the screen-casting content to the main display apparatus 200, and record screen-casting content update on the information control center apparatus 100;
the control processing unit 20 is further configured to start transmission of the updated screen projection content to the main display device 200 in response to the second control instruction.
The system further comprises: a secondary display device 300, the secondary display device 300 being in communication connection with the information control center device 100;
the control processing unit 20 is further configured to, upon obtaining the first control instruction, suspend transmission of the screen-shot content to the secondary display device 300;
upon obtaining the second control instruction, transmission of the updated screen projection content to the secondary display device 300 is started.
In an embodiment, the first control instruction includes a screen locking target device identifier, and correspondingly, the control processing unit 20 is further configured to, when responding to the first control instruction, suspend transmission of screen projection content to the display device corresponding to the screen locking target device identifier;
the second control instruction includes an identifier of the screen-off target device, and correspondingly, the control processing unit 20 is further configured to start to transmit the updated screen-projecting content to the display device corresponding to the identifier of the screen-off target device when responding to the second control instruction;
the screen unlocking target equipment identification comprises all equipment identifications or part of equipment identifications in the screen locking target equipment identification.
In one embodiment, the control processing unit 20 is further configured to,
recording the pause position of the screen projection content when responding to the first control instruction; correspondingly, when responding to the second control instruction, the updated screen projection content is transmitted to the display device from the stopping position;
or, the second control instruction includes an updated initial transmission position of the screen projection content, and correspondingly, when responding to the second control instruction, the updated screen projection content is transmitted to the display device from the initial transmission position in the second control instruction, and the initial transmission positions corresponding to different display devices are the same or different.
In one embodiment, the instruction fetch unit 10 is further configured to:
when a first button on the information control center device 100 is triggered, obtaining a first control instruction; or, when the information control center device 100 receives the first trigger instruction, a first control instruction is generated; or, when the information control center device 100 determines that the first trigger condition is satisfied, a first control instruction is generated;
when a second button on the information control center equipment is triggered, a second control instruction is obtained; or, when the information control center equipment receives a second trigger instruction, generating a second control instruction; or, when the information control center equipment judges that the second trigger condition is met, generating a second control instruction.
Specifically, the instruction obtaining unit 10 may determine whether a preset first trigger condition is met according to sensing data acquired by the sensing device, and generate a first control instruction when the preset first trigger condition is met; and judging whether a preset second trigger condition is met or not according to sensing data acquired by the sensing equipment, and generating a second control instruction when the preset second trigger condition is met.
Here, it should be noted that: the description of the above embodiments is similar to the description of the above method embodiments, and has similar beneficial effects to the method embodiments, and therefore, the description is omitted. For technical details not disclosed in the embodiments of the present invention, please refer to the description of the embodiments of the method of the present invention for understanding, and therefore, for brevity, will not be described again
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
It should be noted that, in the description herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of the unit is only a logical functional division, and there may be other division ways in actual implementation, such as: multiple units or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or units may be electrical, mechanical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units; can be located in one place or distributed on a plurality of network units; some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A method for processing screen projection content is applied to an information control center device, wherein the information control center device is at least in communication connection with a main display device and is used for transmitting screen projection content to the main display device for the main display device to display, and the method comprises the following steps:
obtaining a first control instruction, wherein the first control instruction is used for instructing the information control center equipment to execute screen projection content locking operation;
in response to the first control instruction, stopping transmitting screen projection content to the main display equipment, and recording screen projection content updating on the information control center equipment;
obtaining a second control instruction, wherein the second control instruction is used for instructing the information control center to execute screen projection content screen unlocking operation;
and responding to the second control instruction, and starting to transmit the updated screen projection content to the main display equipment.
2. The method of claim 1, wherein the information control center device is connected to at least one secondary display device for transmitting screen-shot content to the secondary display device for display by the secondary display device, the method further comprising:
when the first control instruction is obtained, stopping transmitting screen projection content to the secondary display equipment;
and when the second control instruction is obtained, starting to transmit the updated screen projection content to the secondary display equipment.
3. The method of claim 1 or 2, wherein the obtaining a first control instruction comprises:
when a first button on the information control center equipment is triggered, obtaining the first control instruction;
or, when the information control center equipment receives a first trigger instruction, generating the first control instruction;
or, when the information control center device judges that a first trigger condition is met, generating the first control instruction;
correspondingly, the obtaining of the second control instruction includes:
when a second button on the information control center equipment is triggered, obtaining the second control instruction;
or, when the information control center equipment receives a second trigger instruction, generating the second control instruction;
or, when the information control center device determines that a second trigger condition is met, generating the second control instruction.
4. The method of claim 3,
when the information control center equipment judges that a first trigger condition is met, the first control instruction is generated, and the method comprises the following steps: judging whether a preset first trigger condition is met or not according to sensing data acquired by sensing equipment, and generating a first control instruction when the preset first trigger condition is met;
when the information control center equipment judges that a second trigger condition is met, generating the second control instruction comprises the following steps: and judging whether the preset second trigger condition is met or not according to the sensing data acquired by the sensing equipment, and generating the second control instruction when the judgment is met.
5. The method of claim 2,
the first control instruction comprises a screen locking target device identifier, and the method further comprises the following steps: in response to the first control instruction, stopping transmitting screen projection content to the display equipment corresponding to the screen locking target equipment identification;
the second control instruction comprises an identification of the screen-unlocking target device, and the method further comprises the following steps: responding to the second control instruction, and starting to transmit updated screen projection content to the display equipment corresponding to the screen-off target equipment identifier;
and the screen unlocking target equipment identification comprises all equipment identifications or part of equipment identifications in the screen locking target equipment identification.
6. The method according to claim 1 or 2, characterized in that the method further comprises:
recording the pause position of the screen projection content when responding to the first control instruction; correspondingly, when responding to the second control instruction, the updated screen projection content is transmitted to the display device from the suspension position;
or, the second control instruction includes an updated initial transmission position of the screen projection content, and correspondingly, when responding to the second control instruction, the updated screen projection content is transmitted to the display device from the initial transmission position in the second control instruction, and the initial transmission positions corresponding to different display devices are the same or different.
7. An information control center device, wherein the information control center device is at least in communication connection with a main display device, and is configured to transmit screen projection content to the main display device for display by the main display device, and the information control center device includes:
the instruction acquisition unit is used for acquiring a first control instruction, and the first control instruction is used for instructing the information control center equipment to execute screen projection content locking operation; the information control center is also used for acquiring a second control instruction, and the second control instruction is used for indicating the information control center to execute screen projection content screen unlocking operation;
the control processing unit is used for stopping transmitting screen projection content to the main display equipment and recording screen projection content updating on the information control center equipment when responding to the first control instruction; and the main display device is also used for starting to transmit the updated screen projection content to the main display device when responding to the second control instruction.
8. The information control center device according to claim 7, wherein the information control center device is connected to at least a primary display device, and is configured to transmit screen projection content to the secondary display device for display by the secondary display device;
the control processing unit is further used for stopping transmitting screen projection content to the secondary display equipment when the first control instruction is obtained; and when the second control instruction is obtained, starting to transmit the updated screen projection content to the secondary display equipment.
9. The information control center apparatus according to claim 7,
the first control instruction comprises a screen locking target device identifier, and correspondingly, the control processing unit is further configured to, when responding to the first control instruction, suspend transmission of screen projection content to the display device corresponding to the screen locking target device identifier;
the second control instruction comprises an identifier of the screen-off target device, and correspondingly, the control processing unit is further configured to start transmitting updated screen-casting content to the display device corresponding to the identifier of the screen-off target device when responding to the second control instruction;
and the screen unlocking target equipment identification comprises all equipment identifications or part of equipment identifications in the screen locking target equipment identification.
10. The information control center apparatus according to claim 7 or 8, wherein the control processing unit is further configured to,
recording the pause position of the screen projection content when responding to the first control instruction; correspondingly, when responding to the second control instruction, the updated screen projection content is transmitted to the display device from the suspension position;
or, the second control instruction includes an updated initial transmission position of the screen projection content, and correspondingly, when responding to the second control instruction, the updated screen projection content is transmitted to the display device from the initial transmission position in the second control instruction, and the initial transmission positions corresponding to different display devices are the same or different.
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| CN202011151594.8A CN112286473A (en) | 2020-10-26 | 2020-10-26 | Screen-casting content processing method and information control center equipment |
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| CN202011151594.8A CN112286473A (en) | 2020-10-26 | 2020-10-26 | Screen-casting content processing method and information control center equipment |
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| CN115706824A (en) * | 2021-08-05 | 2023-02-17 | 聚好看科技股份有限公司 | Content service relay interruption method and terminal equipment |
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