CN112954287A - Projector control method, system and computer readable storage medium - Google Patents
Projector control method, system and computer readable storage medium Download PDFInfo
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- CN112954287A CN112954287A CN202110242623.XA CN202110242623A CN112954287A CN 112954287 A CN112954287 A CN 112954287A CN 202110242623 A CN202110242623 A CN 202110242623A CN 112954287 A CN112954287 A CN 112954287A
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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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25866—Management of end-user data
- H04N21/25875—Management of end-user data involving end-user authentication
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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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
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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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/64—Addressing
- H04N21/6402—Address allocation for clients
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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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/643—Communication protocols
- H04N21/64322—IP
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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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/65—Transmission of management data between client and server
- H04N21/658—Transmission by the client directed to the server
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/3173—Constructional details thereof wherein the projection device is specially adapted for enhanced portability
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Computer Security & Cryptography (AREA)
- Computer Graphics (AREA)
- Projection Apparatus (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Information Transfer Between Computers (AREA)
Abstract
The invention discloses a projector control method, a projector control system and a computer readable storage medium. The projector control method includes: the method comprises the steps that a smart phone terminal receives a data distribution instruction, and obtains projector identity information and multimedia information of at least two projectors according to the data distribution instruction; the smart phone terminal sends the multimedia information to the at least two projectors according to the projector identity information of the at least two projectors, and controls the corresponding projectors to synchronously play the received multimedia information. The invention can ensure the consistency of the projection contents of a plurality of projectors, so that the multimedia data can be remotely and synchronously projected.
Description
Cross-relation of related applications:
the present application is based on a division made by the chinese patent application entitled projector control method, system, and computer readable storage medium, filed on 19/6/2017, application No. 201710463632.5, the entire contents of which are incorporated herein by reference.
Technical Field
The present invention relates to the field of electronic control technologies, and in particular, to a projector control method, a projector control system, and a computer-readable storage medium.
Background
A projector is a device that can project pictures or videos onto a curtain. Based on the projector function, the projector is widely applied to scenes such as teaching, company meetings, advertising and the like. In the remote conference of the company at present, the purpose of holding the conference across the area can be realized by using the modern communication means. In a teleconference, multimedia data is generally projected by using a projector, for example, in a teleconference, three participants exist, and in order to ensure normal running of the teleconference, the projectors of the three participants project the same multimedia data in time and need to be synchronized, and this is difficult to ensure through manual control, thereby affecting the efficiency of the teleconference.
Disclosure of Invention
The invention mainly aims to provide a projector control method, a projector control system and a computer readable storage medium, and aims to solve the technical problem that projection work of a plurality of projectors is difficult to synchronize in time by means of manual operation in the prior art.
In order to achieve the above object, the present invention provides a projector control method applied to a terminal, the projector control method including:
receiving a data distribution instruction, and acquiring projector identity information and multimedia information according to the data distribution instruction;
and sending the projector identity information and the multimedia information to a projector management platform so that the projector management platform can send the multimedia data corresponding to the multimedia information to a projector data receiving end corresponding to the projector identity information.
Preferably, the projector control method further includes:
receiving a control instruction, and acquiring projector identity information and a control signal according to the control instruction;
and sending the projector identity information and the control information to a projector management platform, so that the projector management platform sends the control information to a projector playing control receiving end corresponding to the projector identity information to control the corresponding projector to synchronously play the received multimedia information.
In addition, to achieve the above object, the present invention further provides a projector control method applied to a projector management platform, including:
receiving projector identity information and multimedia information sent by a terminal;
acquiring multimedia data corresponding to the multimedia information;
and sending the multimedia data to a projector data receiving end corresponding to the projector identity information.
Preferably, sending the multimedia data to a projector data receiving end corresponding to the projector identification information includes:
determining a corresponding projector according to the projector identity information;
acquiring an IP address of a projector data receiving end corresponding to the projector;
and sending the multimedia data to the projector data receiving end according to the IP address.
Preferably, the projector control method further includes:
receiving projector identity information and control information sent by a terminal;
determining a projector playing control receiving end corresponding to the projector identity information according to the projector identity information;
and sending the control information to the projector playing control receiving end to control the corresponding projector to synchronously play the received multimedia information.
Preferably, the projector identity information and the multimedia information sent by the receiving terminal include:
storing projector identity information and a corresponding projector data receiving end in a database in a correlation manner;
and storing the projector identity information and the corresponding projector play control receiving end into a database in an associated manner.
Further, to achieve the above object, the present invention also provides a projector control system including: the projector control method comprises a terminal, a projector management platform, a memory, a processor and a projector control program which is stored on the memory and can run on the processor, wherein when the projector control program is executed by the processor, the steps of the projector control method are realized.
Further, to achieve the above object, the present invention also provides a computer-readable storage medium having a projector control program stored thereon, the projector control program, when executed by a processor, implementing the steps of the projector control method as described above.
In the invention, when an application scene needs a plurality of (two or more) projectors to project the same multimedia data, the scheme of the invention can be used for a user to operate on one terminal device, select a plurality of projectors and the data to be projected so that the projector management platform can distribute the data to be projected to the projector data receiving ends corresponding to the projectors, and each projector does not need to be operated, thereby ensuring the working consistency of the projectors and facilitating the operation of the user.
Drawings
FIG. 1 is a schematic diagram of an apparatus in a hardware operating environment according to an embodiment of the present invention;
fig. 2 is a schematic flowchart of a first embodiment of a projector control method according to the present invention;
fig. 3 is a schematic view of a scenario of an embodiment of a projector control system according to the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, fig. 1 is a schematic device structure diagram of a hardware operating environment according to an embodiment of the present invention.
The projector control system comprises a terminal, a projector management platform and a projector data receiving end, wherein the terminal can be a PC (personal computer) or terminal equipment such as a smart phone, a tablet personal computer and a portable computer. The terminal is used for receiving a data distribution instruction and a control instruction triggered based on user operation and sending the data distribution instruction and the control instruction to the projector management platform; the projector management platform is used for receiving the data distribution instruction and the control instruction sent by the terminal, and sending the data distribution instruction and the control instruction to the projector data receiving end and the projector playing control receiving end so that the projector data receiving end can control the projector to perform projection work. The projector data receiving end can be a desktop computer, a notebook computer and other equipment which can establish communication connection with the projector, the projector play control receiving end can be externally arranged on the projector data receiving end and can also be internally arranged on the projector data receiving end, and the projector play control receiving end is used for controlling the corresponding projector to perform projection work according to the control instruction.
As shown in fig. 1, the projector control system may include: a processor 1001, such as a CPU, a network interface 1004, a user interface 1003, a memory 1005, a communication bus 1002. Wherein a communication bus 1002 is used to enable connective communication between these components. The user interface 1003 may include a Display screen (Display), an input unit such as a Keyboard (Keyboard), and the optional user interface 1003 may also include a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface). The memory 1005 may be a high-speed RAM memory or a non-volatile memory (e.g., a magnetic disk memory). The memory 1005 may alternatively be a storage device separate from the processor 1001.
Those skilled in the art will appreciate that the configuration of the device shown in fig. 1 is not intended to be limiting of the device and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
As shown in fig. 1, a memory 1005, which is a kind of computer storage medium, may include therein an operating system, a network communication module, a user interface module, and a projector control program.
In the apparatus shown in fig. 1, the processor 1001 may be configured to call a projector control program stored in the memory 1005 and perform the following operations:
receiving a data distribution instruction, and acquiring projector identity information and multimedia information according to the data distribution instruction;
and sending the projector identity information and the multimedia information to a projector management platform so that the projector management platform can send the multimedia data corresponding to the multimedia information to a projector data receiving end corresponding to the projector identity information.
In this embodiment, the terminal may be a PC, or may also be a terminal device such as a smartphone, a tablet computer, or a portable computer, which is not limited herein. Taking a mobile phone as an example, a user determines multimedia information which needs to be projected currently and a projector which needs to be projected currently through an application program on the mobile phone. For example, currently, a company needs to hold a teleconference, and there are party a, party B, and party C. The projector identity information of the participant A is the number 1, the projector identity information of the participant B is the number 2, the projector identity information of the participant C is the number 3, and the data to be projected in the conference is the video data 1. In order to ensure the consistency of the projection work of the projectors of three parties, the conference organizer selects three projectors with the identity information of number 1, number 2 and number 3 through the mobile phone, and selects the multimedia information as video data 1 (namely, the terminal receives a data distribution instruction triggered based on user operation). And the terminal sends projector identity information and multimedia information (which are determined by user selection) corresponding to the data distribution instruction to the projector management platform.
In another embodiment, there are 5 classrooms, each classroom is configured with a computer, each computer is connected with a projector, and the identity information of the projector is respectively: projector 1, projector 2, projector 3, projector 4, projector 5, the computer identity information that the projector is connected is: computer 1, computer 2, computer 3, computer 4, computer 5. If 5 projectors are needed to synchronously project the video file 1, an operator can select the projector 1, the projector 2, the projector 3, the projector 4 and the projector 5 from application programs on the terminal, multimedia information of the video file 1 is input, the terminal generates a corresponding data distribution instruction according to user operation, the data distribution instruction comprises projector identity information and multimedia information selected by the user, and then the projector identity information and the multimedia information are sent to the projector management platform.
In the embodiment, when an application scene needs a plurality of (two or more) projectors to project the same multimedia data, the scheme of the invention can be used for a user to operate on one terminal device, select a plurality of projectors and data to be projected, and do not need to operate each projector, thereby ensuring the working consistency of the projectors and facilitating the operation of the user.
Further, the processor 1001 may call the projector control program stored in the memory 1005, and also perform the following operations:
receiving a control instruction, and acquiring projector identity information and a control signal according to the control instruction;
and sending the projector identity information and the control information to a projector management platform, so that the projector management platform sends the control information to a projector playing control receiving end corresponding to the projector identity information to control the corresponding projector to synchronously play the received multimedia information.
In this embodiment, the projector is a device for projecting an image or video onto a curtain. The projector is connected with a computer, a VCD, a DVD, a BD, a game machine, a DV and the like through different interfaces to play corresponding video signals. For example, a common video output interface of a notebook computer is used to transmit an image currently displayed by the notebook computer to a projector, so that the projector synchronously projects the image currently displayed by the notebook computer. For example, in one embodiment, a participant a, a participant B, and a participant C are in a teleconference, and when the teleconference is performed, the three parties all need to project the meeting data displayed on their respective notebook computers to the curtain through projectors (the projector identification information of the participant a is number 1, the projector identification information of the participant B is number 2, and the projector identification information of the participant C is number 3). While the conference is in progress, the conference material being presented needs to be paused. The conference organizer selects three projectors with the identity information of the number 1, the number 2 and the number 3 through the mobile phone, selects a temporary playing option (at this time, the mobile phone receives a control instruction), and sends the projector identity information and the control signal corresponding to the control instruction to the projector management platform.
In this embodiment, if a plurality of projectors need to be controlled in a unified manner, a user can operate on the terminal to select the projector to be controlled and the command to be executed by the projector, and does not need to operate each projector independently, so that the consistency of projection work is ensured, and the user can operate the projector conveniently.
Further, the processor 1001 may call the projector control program stored in the memory 1005, and also perform the following operations:
receiving projector identity information and multimedia information sent by a terminal;
acquiring multimedia data corresponding to the multimedia information;
and sending the multimedia data to a projector data receiving end corresponding to the projector identity information.
As shown in fig. 3, fig. 3 is a schematic view of a scenario of an embodiment of the projector control system of the present invention.
In this embodiment, a database in the projector management platform stores a corresponding relationship between the projector identification information and the projector data receiving end. Each projector identity information corresponds to one projector data receiving end, and each projector data receiving end comprises an IP address so that the projector management platform can transmit the multimedia data to the projector data receiving end through the IP address.
For example, in a multi-party conference, a conference organizer selects three projectors with identification information of number 1, number 2 and number 3 and conference materials to be played through an application program on a terminal, and the terminal generates a data distribution instruction based on the selection of a user and sends the data distribution instruction to a projector management platform. After the projector receives the data distribution instruction, the corresponding projector data receiving end is determined according to the corresponding relation between the projector identity information stored in the database and the projector data receiving end according to the projector identity information in the data distribution instruction, the corresponding multimedia data is obtained through the multimedia information, and the multimedia data can be uploaded to a projector management platform in advance by a user or can be obtained through searching on the network by the projector management platform according to the multimedia information. In this embodiment, the multimedia data corresponding to the multimedia information may be uploaded to the projector management platform by the user, or the projector management platform may search the corresponding multimedia data on the network according to the multimedia information and obtain the multimedia data. In an optional embodiment of the present invention, when receiving the multimedia information, the projector management platform preferentially searches a local database for whether multimedia data corresponding to the multimedia information exists, if the multimedia data corresponding to the multimedia information does not exist in the local database, the projector management platform searches the network for the multimedia data corresponding to the multimedia information, and if the multimedia data corresponding to the multimedia information does not exist in the network, the projector management platform feeds back a piece of information to the terminal to prompt the user to upload the multimedia data corresponding to the multimedia information to the projector management platform. Then, the projector management platform transmits the multimedia data to a projector data receiving end, and the transmission mode may be wireless transmission or wired transmission, which is not limited herein and is specifically set according to the actual situation.
In another alternative embodiment, content on a computer is projected by a projector in a school's 5 classrooms. The computer numbers of the 5 classrooms are respectively a computer 1, a computer 2, a computer 3, a computer 4 and a computer 5, and each computer is connected with a projector. If the projection contents of the five projectors are required to be consistent, an operator can select the projector identity information to be the projector 1, the projector 2, the projector 3, the projector 4 and the projector 5 respectively in the application program on the terminal, and select the multimedia information corresponding to the multimedia data required to be projected, such as the video 1. And the terminal generates a corresponding data distribution instruction according to the selection of the user and sends the data distribution instruction to the projector management platform. The projector management platform receives the data distribution instruction, determines corresponding projector data receiving ends, namely the computer 1, the computer 2, the computer 3, the computer 4 and the computer 5 according to the identity information of the projector in the data distribution instruction, and then synchronously or respectively sends the multimedia data to the computer 1, the computer 2, the computer 3, the computer 4 and the computer 5. The multimedia data can be uploaded to the projector management platform by an operator, and the projector management platform can search the corresponding multimedia data on the network according to the multimedia information. If the mode of respectively sending the multimedia data is adopted, after each projector data receiving end finishes receiving the multimedia data, a finishing message is fed back to the terminal, and when the terminal receives the finishing messages fed back by the 5 projector data receiving ends, the terminal informs the user so that the user can perform the next operation, for example, starting the projector.
In this embodiment, the projector data receiving end may be a computer, a VCD, a DVD, a BD, a game machine, a DV, or the like, and the projector data receiving end establish a communication connection to project multimedia data in the projector data receiving end. In this embodiment, a data distribution instruction triggered based on user operation is received, corresponding multimedia data is acquired according to multimedia information in the data distribution instruction, and the multimedia data is sent to a projector data receiving end corresponding to projector identity information in the data distribution instruction, so that a user can send multimedia data to be projected to a plurality of projectors through operation on one terminal, manual operation is reduced, user experience is improved, and consistency of projection contents of the projectors is guaranteed.
Further, the processor 1001 may call the projector control program stored in the memory 1005, and also perform the following operations:
determining a corresponding projector according to the projector identity information;
acquiring an IP address of a projector data receiving end corresponding to the projector;
and sending the multimedia data to the projector data receiving end according to the IP address.
In this embodiment, each projector is connected to a projector data receiving end, the projector data receiving end may be a computer, a VCD, a DVD, a BD, a game machine, a DV, or the like, and the projector data receiving end establish a communication connection to project multimedia data in the projector data receiving end. The projector management platform is stored with a corresponding relation table of the projector-projector data receiving end IP address. And after receiving the projector identity information, looking up a table to obtain the projector corresponding to the projector identity information, then sending the multimedia data to the projector data receiving end according to the IP address of the projector data receiving end corresponding to the projector.
Further, the processor 1001 may call the projector control program stored in the memory 1005, and also perform the following operations:
receiving projector identity information and control information sent by a terminal;
determining a projector playing control receiving end corresponding to the projector identity information according to the projector identity information;
and sending the control information to the projector playing control receiving end to control the corresponding projector to synchronously play the received multimedia information.
In this embodiment, if the projector 1, the projector 2, the projector 3, the projector 4, and the projector 5 are selected based on a user operation, the five projectors perform projection work, the projector management platform transmits multimedia data to the projector data receiving end connected to the five projectors, and then the projector receiving end feeds back completion information to the terminal when completing data reception work, and when the terminal receives the completion information fed back by the five projector data receiving ends, the user is notified that the projection work can be performed. The user can select the projector 1, the projector 2, the projector 3, the projector 4 and the projector 5 through an application program on the terminal, select a projection starting option, and the terminal generates a control instruction according to the user operation and sends the control instruction to the projector management platform. The projector management platform receives the control instruction, determines corresponding projector playing control receiving ends according to the projector identity information in the control instruction, and synchronously sends the control information to each projector playing control receiving end after the projector playing control receiving ends are determined, for example, the control information 'start projection' is synchronously sent to the projector playing control receiving ends corresponding to the projector 1, the projector 2, the projector 3, the projector 4 and the projector 5, so that when the projector playing control receiving ends receive the control information, the corresponding projectors are synchronously controlled to perform projection work, and the projection contents of the five projectors are consistent and time-synchronized.
In another embodiment of the present invention, when the projector 1, the projector 2, the projector 3, the projector 4, and the projector 5 are in projection operation, if a user needs to suspend the projection operation of the current five projectors, the user selects the projector identity information as the projector 1, the projector 2, the projector 3, the projector 4, and the projector 5 in an application program on the terminal, selects a "suspend projection" option, and the terminal generates a corresponding control instruction according to the user operation and sends the control instruction to the projector management platform. The projector management platform receives the control instruction, determines a corresponding projector playing control receiving end according to the projector identity information in the control instruction, and synchronously sends the control information to each projector playing control receiving end after the projector playing control receiving end is determined, for example, the control information 'pause projection' is synchronously sent to the projector playing control receiving ends respectively corresponding to the projector 1, the projector 2, the projector 3, the projector 4 and the projector 5, so that when each projector playing control receiving end receives the control information 'pause projection', the corresponding projector is synchronously controlled to pause projection work, and projection contents of five projectors are consistent in time.
In this embodiment, the user operates on the terminal to control the projection work of multiple projectors, and can ensure the consistency of the projection work of the projectors in time, so that the working efficiency is too high, the manual operation is reduced, and the user experience is improved.
Further, the processor 1001 may call the projector control program stored in the memory 1005, and also perform the following operations:
storing projector identity information and a corresponding projector data receiving end in a database in a correlation manner;
and storing the projector identity information and the corresponding projector play control receiving end into a database in an associated manner.
In this embodiment, each projector is connected to a projector data receiving terminal and a projector play control receiving terminal, where the projector data receiving terminal may be a computer, a VCD, a DVD, a BD, a game machine, a DV, or the like, and the projector data receiving terminal establish a communication connection to project multimedia data in the projector data receiving terminal. The projector playing control receiving end can be externally arranged at the projector data receiving end and can also be internally arranged at the projector data receiving end, and the projector playing control receiving end is used for controlling the corresponding projector to perform projection work according to the control instruction. As shown in table 1, table 1 is a table of correspondence between projector identification information and projector data receiving terminals.
TABLE 1
| Projector identity information | Projector data receiving terminal | IP address of data receiving end of projector |
| Projector 1 | Data receiving terminal 1 | IP address 1 |
| Projector 2 | Data receiving end 2 | IP address 2 |
| Projector 3 | Data receiving end 3 | IP address 3 |
| Projector 4 | Data receiving terminal 4 | IP address 4 |
| Projector 5 | Data receiving terminal 5 | IP address 5 |
As shown in table 2, the correspondence table between the projector identification information and the projector play control receiving end is shown.
TABLE 2
| Projector identity information | Projector playing control receiving terminal | IP address of projector play control receiving end |
| Projector 1 | Broadcast control receiving terminal 1 | IP address 1 |
| Projector 2 | Broadcast control receiving terminal 2 | IP address 2 |
| Projector 3 | Broadcast control receiving terminal 3 | IP address 3 |
| Projector 4 | Broadcast control receiving terminal 4 | IP address 4 |
| Projector 5 | Broadcast control receiving terminal 5 | IP address 5 |
In this embodiment, the projector management platform receives the projector identity information, finds the projector data receiving end corresponding to the projector identity information, the IP address of the projector data receiving end, and the IP address of the projector play control receiving end and the projector play control receiving end corresponding to the projector identity information according to the data stored in the database, and sends the multimedia data and the control information to the projector data receiving end and the projector play control receiving end according to the IP address, so as to synchronously control the projection work of multiple projectors, ensure the consistency of the projection work of multiple projectors in time, and achieve the purpose of synchronously controlling the projection work of multiple projectors.
Referring to fig. 2, a flowchart of a first embodiment of a projector control method according to the present invention is shown.
The projector control method is applied to a terminal, and in one embodiment, the projector control method comprises the following steps:
step S10, receiving a data distribution instruction, and acquiring projector identity information and multimedia information according to the data distribution instruction;
and step S20, sending the projector identity information and the multimedia information to a projector management platform, so that the projector management platform sends the multimedia data corresponding to the multimedia information to a projector data receiving end corresponding to the projector identity information.
In this embodiment, the terminal may be a PC, or may also be a terminal device such as a smartphone, a tablet computer, or a portable computer, which is not limited herein. Taking a mobile phone as an example, a user determines multimedia information which needs to be projected currently and a projector which needs to be projected currently through an application program on the mobile phone. For example, currently, a company needs to hold a teleconference, and there are party a, party B, and party C. The projector identity information of the participant A is the number 1, the projector identity information of the participant B is the number 2, the projector identity information of the participant C is the number 3, and the data to be projected in the conference is the video data 1. In order to ensure the consistency of the projection work of the projectors of three parties, the conference organizer selects three projectors with the identity information of number 1, number 2 and number 3 through the mobile phone, and selects the multimedia information as video data 1 (namely, the terminal receives a data distribution instruction triggered based on user operation). And the terminal sends projector identity information and multimedia information (which are determined by user selection) corresponding to the data distribution instruction to the projector management platform.
In another embodiment, there are 5 classrooms, each classroom is configured with a computer, each computer is connected with a projector, and the identity information of the projector is respectively: projector 1, projector 2, projector 3, projector 4, projector 5, the computer identity information that the projector is connected is: computer 1, computer 2, computer 3, computer 4, computer 5. If 5 projectors are needed to synchronously project the video file 1, an operator can select the projector 1, the projector 2, the projector 3, the projector 4 and the projector 5 from application programs on the terminal, multimedia information of the video file 1 is input, the terminal generates a corresponding data distribution instruction according to user operation, the data distribution instruction comprises projector identity information and multimedia information selected by the user, and then the projector identity information and the multimedia information are sent to the projector management platform.
In the embodiment, when an application scene needs a plurality of (two or more) projectors to project the same multimedia data, the scheme of the invention can be used for a user to operate on one terminal device, select a plurality of projectors and data to be projected, and do not need to operate each projector, thereby ensuring the working consistency of the projectors and facilitating the operation of the user.
Further, in another alternative embodiment, the projector control method of the present invention is applied to a terminal, and includes:
receiving a control instruction, and acquiring projector identity information and a control signal according to the control instruction;
and sending the projector identity information and the control information to a projector management platform, so that the projector management platform sends the control information to a projector playing control receiving end corresponding to the projector identity information to control the corresponding projector to synchronously play the received multimedia information.
In this embodiment, the projector is a device for projecting an image or video onto a curtain. The projector is connected with a computer, a VCD, a DVD, a BD, a game machine, a DV and the like through different interfaces to play corresponding video signals. For example, a common video output interface of a notebook computer is used to transmit an image currently displayed by the notebook computer to a projector, so that the projector synchronously projects the image currently displayed by the notebook computer. For example, in one embodiment, a participant a, a participant B, and a participant C are in a teleconference, and when the teleconference is performed, the three parties all need to project the meeting data displayed on their respective notebook computers to the curtain through projectors (the projector identification information of the participant a is number 1, the projector identification information of the participant B is number 2, and the projector identification information of the participant C is number 3). While the conference is in progress, the conference material being presented needs to be paused. The conference organizer selects three projectors with the identity information of the number 1, the number 2 and the number 3 through the mobile phone, selects a temporary playing option (at this time, the mobile phone receives a control instruction), and sends the projector identity information and the control signal corresponding to the control instruction to the projector management platform.
In this embodiment, if a plurality of projectors need to be controlled in a unified manner, a user can operate on the terminal to select the projector to be controlled and the command to be executed by the projector, and does not need to operate each projector independently, so that the consistency of projection work is ensured, and the user can operate the projector conveniently.
Further, in an embodiment, the projector control method of the present invention is applied to a projector management platform, and the projector control method includes:
receiving projector identity information and multimedia information sent by a terminal;
acquiring multimedia data corresponding to the multimedia information;
and sending the multimedia data to a projector data receiving end corresponding to the projector identity information.
As shown in fig. 3, fig. 3 is a schematic view of a scenario of an embodiment of the projector control system of the present invention.
In this embodiment, a database in the projector management platform stores a corresponding relationship between the projector identification information and the projector data receiving end. Each projector identity information corresponds to one projector data receiving end, and each projector data receiving end comprises an IP address so that the projector management platform can transmit the multimedia data to the projector data receiving end through the IP address.
For example, in a multi-party conference, a conference organizer selects three projectors with identification information of number 1, number 2 and number 3 and conference materials to be played through an application program on a terminal, and the terminal generates a data distribution instruction based on the selection of a user and sends the data distribution instruction to a projector management platform. After the projector receives the data distribution instruction, the corresponding projector data receiving end is determined according to the corresponding relation between the projector identity information stored in the database and the projector data receiving end according to the projector identity information in the data distribution instruction, the corresponding multimedia data is obtained through the multimedia information, and the multimedia data can be uploaded to a projector management platform in advance by a user or can be obtained through searching on the network by the projector management platform according to the multimedia information. In this embodiment, the multimedia data corresponding to the multimedia information may be uploaded to the projector management platform by the user, or the projector management platform may search the corresponding multimedia data on the network according to the multimedia information and obtain the multimedia data. In an optional embodiment of the present invention, when receiving the multimedia information, the projector management platform preferentially searches a local database for whether multimedia data corresponding to the multimedia information exists, if the multimedia data corresponding to the multimedia information does not exist in the local database, the projector management platform searches the network for the multimedia data corresponding to the multimedia information, and if the multimedia data corresponding to the multimedia information does not exist in the network, the projector management platform feeds back a piece of information to the terminal to prompt the user to upload the multimedia data corresponding to the multimedia information to the projector management platform. Then, the projector management platform transmits the multimedia data to a projector data receiving end, and the transmission mode may be wireless transmission or wired transmission, which is not limited herein and is specifically set according to the actual situation.
In another alternative embodiment, content on a computer is projected by a projector in a school's 5 classrooms. The computer numbers of the 5 classrooms are respectively a computer 1, a computer 2, a computer 3, a computer 4 and a computer 5, and each computer is connected with a projector. If the projection contents of the five projectors are required to be consistent, an operator can select the projector identity information to be the projector 1, the projector 2, the projector 3, the projector 4 and the projector 5 respectively in the application program on the terminal, and select the multimedia information corresponding to the multimedia data required to be projected, such as the video 1. And the terminal generates a corresponding data distribution instruction according to the selection of the user and sends the data distribution instruction to the projector management platform. The projector management platform receives the data distribution instruction, determines corresponding projector data receiving ends, namely the computer 1, the computer 2, the computer 3, the computer 4 and the computer 5 according to the identity information of the projector in the data distribution instruction, and then synchronously or respectively sends the multimedia data to the computer 1, the computer 2, the computer 3, the computer 4 and the computer 5. The multimedia data can be uploaded to the projector management platform by an operator, and the projector management platform can search the corresponding multimedia data on the network according to the multimedia information. If the mode of respectively sending the multimedia data is adopted, after each projector data receiving end finishes receiving the multimedia data, a finishing message is fed back to the terminal, and when the terminal receives the finishing messages fed back by the 5 projector data receiving ends, the terminal informs the user so that the user can perform the next operation, for example, starting the projector.
In this embodiment, the projector data receiving end may be a computer, a VCD, a DVD, a BD, a game machine, a DV, or the like, and the projector data receiving end establish a communication connection to project multimedia data in the projector data receiving end. In this embodiment, a data distribution instruction triggered based on user operation is received, corresponding multimedia data is acquired according to multimedia information in the data distribution instruction, and the multimedia data is sent to a projector data receiving end corresponding to projector identity information in the data distribution instruction, so that a user can send multimedia data to be projected to a plurality of projectors through operation on one terminal, manual operation is reduced, user experience is improved, and consistency of projection contents of the projectors is guaranteed.
Further, in an embodiment, sending the multimedia data to a projector data receiving end corresponding to the projector identification information includes:
determining a corresponding projector according to the projector identity information;
acquiring an IP address of a projector data receiving end corresponding to the projector;
and sending the multimedia data to the projector data receiving end according to the IP address.
In this embodiment, each projector is connected to a projector data receiving end, the projector data receiving end may be a computer, a VCD, a DVD, a BD, a game machine, a DV, or the like, and the projector data receiving end establish a communication connection to project multimedia data in the projector data receiving end. The projector management platform is stored with a corresponding relation table of the projector-projector data receiving end IP address. And after receiving the projector identity information, looking up a table to obtain the projector corresponding to the projector identity information, then sending the multimedia data to the projector data receiving end according to the IP address of the projector data receiving end corresponding to the projector.
Further, in an embodiment, the projector control method of the present invention is applied to a projector management platform, and the projector control method further includes:
receiving projector identity information and control information sent by a terminal;
determining a projector playing control receiving end corresponding to the projector identity information according to the projector identity information;
and sending the control information to the projector playing control receiving end to control the corresponding projector to synchronously play the received multimedia information.
In this embodiment, if the projector 1, the projector 2, the projector 3, the projector 4, and the projector 5 are selected based on a user operation, the five projectors perform projection work, the projector management platform transmits multimedia data to the projector data receiving end connected to the five projectors, and then the projector receiving end feeds back completion information to the terminal when completing data reception work, and when the terminal receives the completion information fed back by the five projector data receiving ends, the user is notified that the projection work can be performed. The user can select the projector 1, the projector 2, the projector 3, the projector 4 and the projector 5 through an application program on the terminal, select a projection starting option, and the terminal generates a control instruction according to the user operation and sends the control instruction to the projector management platform. The projector management platform receives the control instruction, determines corresponding projector playing control receiving ends according to the projector identity information in the control instruction, and synchronously sends the control information to each projector playing control receiving end after the projector playing control receiving ends are determined, for example, the control information 'start projection' is synchronously sent to the projector playing control receiving ends corresponding to the projector 1, the projector 2, the projector 3, the projector 4 and the projector 5, so that when the projector playing control receiving ends receive the control information, the corresponding projectors are synchronously controlled to perform projection work, and the projection contents of the five projectors are consistent and time-synchronized.
In another embodiment of the present invention, when the projector 1, the projector 2, the projector 3, the projector 4, and the projector 5 are in projection operation, if a user needs to suspend the projection operation of the current five projectors, the user selects the projector identity information as the projector 1, the projector 2, the projector 3, the projector 4, and the projector 5 in an application program on the terminal, selects a "suspend projection" option, and the terminal generates a corresponding control instruction according to the user operation and sends the control instruction to the projector management platform. The projector management platform receives the control instruction, determines a corresponding projector playing control receiving end according to the projector identity information in the control instruction, and synchronously sends the control information to each projector playing control receiving end after the projector playing control receiving end is determined, for example, the control information 'pause projection' is synchronously sent to the projector playing control receiving ends respectively corresponding to the projector 1, the projector 2, the projector 3, the projector 4 and the projector 5, so that when each projector playing control receiving end receives the control information 'pause projection', the corresponding projector is synchronously controlled to pause projection work, and projection contents of five projectors are consistent in time.
In this embodiment, the user operates on the terminal to control the projection work of multiple projectors, and can ensure the consistency of the projection work of the projectors in time, so that the working efficiency is too high, the manual operation is reduced, and the user experience is improved.
Further, in an embodiment of the present invention, the receiving of the projector identification information and the multimedia information sent by the terminal includes:
storing projector identity information and a corresponding projector data receiving end in a database in a correlation manner;
and storing the projector identity information and the corresponding projector play control receiving end into a database in an associated manner.
In this embodiment, each projector is connected to a projector data receiving terminal and a projector play control receiving terminal, where the projector data receiving terminal may be a computer, a VCD, a DVD, a BD, a game machine, a DV, or the like, and the projector data receiving terminal establish a communication connection to project multimedia data in the projector data receiving terminal. The projector playing control receiving end can be externally arranged at the projector data receiving end and can also be internally arranged at the projector data receiving end, and the projector playing control receiving end is used for controlling the corresponding projector to perform projection work according to the control instruction. As shown in table 1, table 1 is a table of correspondence between projector identification information and projector data receiving terminals.
TABLE 1
| Projector identity information | Projector data receiving terminal | IP address of data receiving end of projector |
| Projector 1 | Data receiving terminal 1 | IP address 1 |
| Projector 2 | Data receiving end 2 | IP address 2 |
| Projector 3 | Data receiving end 3 | IP address 3 |
| Projector 4 | Data receiving terminal 4 | IP address 4 |
| Projector 5 | Data receiving terminal 5 | IP address 5 |
As shown in table 2, the correspondence table between the projector identification information and the projector play control receiving end is shown.
TABLE 2
| Projector identity information | Projector playing control receiving terminal | IP address of projector play control receiving end |
| Projector 1 | Broadcast control receiving terminal 1 | IP address 1 |
| Projector 2 | Broadcast control receiving terminal 2 | IP address 2 |
| Projector 3 | Broadcast control receiving terminal 3 | IP address 3 |
| Projector 4 | Broadcast control receiving terminal 4 | IP address 4 |
| Projector 5 | Broadcast control receiving terminal 5 | IP address 5 |
In this embodiment, the projector management platform receives the projector identity information, finds the projector data receiving end corresponding to the projector identity information, the IP address of the projector data receiving end, and the IP address of the projector play control receiving end and the projector play control receiving end corresponding to the projector identity information according to the data stored in the database, and sends the multimedia data and the control information to the projector data receiving end and the projector play control receiving end according to the IP address, so as to synchronously control the projection work of multiple projectors, ensure the consistency of the projection work of multiple projectors in time, and achieve the purpose of synchronously controlling the projection work of multiple projectors.
Furthermore, an embodiment of the present invention further provides a computer-readable storage medium, where a projector control program is stored, and the projector control program, when executed by a processor, implements the steps of the projector control method as described above.
The embodiment of the computer-readable storage medium of the present invention is substantially the same as the above-described embodiments of the projector control method, and is not limited thereto.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system 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 system. 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 system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) as described above and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (4)
1. A projector control method, wherein there are at least two projectors, the projector control method comprising:
the method comprises the steps that a smart phone terminal receives a data distribution instruction, and obtains projector identity information and multimedia information of at least two projectors according to the data distribution instruction;
the smart phone terminal sends the multimedia information to the at least two projectors according to the projector identity information of the at least two projectors, and controls the corresponding projectors to synchronously play the received multimedia information.
2. The projector control method of claim 1, wherein the sending the multimedia information to the at least two projectors by the smartphone terminal according to the projector identity information of the at least two projectors comprises:
the smart phone terminal determines at least two corresponding projectors according to the projector identity information of the at least two projectors;
the smart phone terminal acquires IP addresses of at least two projector data receiving ends corresponding to at least two projectors;
and the smart phone terminal sends the multimedia information to projector data receiving ends of at least two projectors according to the at least two IP addresses.
3. A projector control system, characterized in that the projector control system comprises: the system comprises a smart phone terminal, a memory, a processor and projector control programs which are stored on the memory and can run on the processor, wherein at least two projectors are provided, and the projector control programs realize the following steps when being executed by the processor:
the method comprises the steps that a smart phone terminal receives a data distribution instruction, and obtains projector identity information and multimedia information of at least two projectors according to the data distribution instruction;
the smart phone terminal sends the multimedia information to the at least two projectors according to the projector identity information of the at least two projectors, and controls the corresponding projectors to synchronously play the received multimedia information.
4. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon a projector control program which, when executed by a processor, implements the steps of the projector control method according to claim 1 or 2.
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| CN109709880B (en) * | 2019-02-20 | 2022-08-16 | 明基智能科技（上海）有限公司 | Control method and control system of projector |
| CN110267084B (en) * | 2019-07-25 | 2021-11-19 | 北京奇艺世纪科技有限公司 | Synchronous signal processing method and related equipment |
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| CN113225595A (en) | 2021-08-06 |
| CN112822472A (en) | 2021-05-18 |
| CN107734364A (en) | 2018-02-23 |
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