WO2021164154A1 - 屏幕多方共享的发起、转发、响应、接收方法及互动系统 - Google Patents
屏幕多方共享的发起、转发、响应、接收方法及互动系统 Download PDFInfo
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Classifications
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- H—ELECTRICITY
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- 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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- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
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- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
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Definitions
- the invention relates to the field of multi-party video synchronization display and desktop/application sharing, and in particular to a method for initiating, forwarding, responding, and receiving of multi-party screen sharing and an interactive system.
- the purpose of the present invention is to overcome the above technical shortcomings and propose a method for initiating, responding, and receiving and an interactive system for multi-party sharing of screens.
- the method is simple and easy to operate, and can realize screen sharing of some or all personnel in a multi-person environment.
- the present invention proposes a method for initiating screen multi-party sharing, and the method includes:
- Multi-party shared data on the screen forwarded by the receiving server
- the multi-party screen sharing instruction includes the user ID of the sharing response terminal, the multi-party sharing screen identification, the location and size of the designated area of the sharing window, and the shared content.
- the shared content includes designated desktop sharing and designated sharing of applications in use.
- the present invention provides an initiation system for multi-party sharing of screens, and the system includes:
- the instruction issuing module is used to send the screen multi-party sharing instruction and end sharing message to the server;
- the message receiving module is configured to receive the response message forwarded by the server, and create a display window according to the screen size in the response message;
- the data receiving module is used to receive the multi-party shared data on the screen forwarded by the server;
- the data display module is used to analyze the data shared by multiple parties on the screen and display it in the local display window.
- the present invention proposes a forwarding method for screen sharing among multiple parties, and the method includes:
- the message When receiving the end sharing message from the initiator, the message is sent to the responder and the receiver in turn.
- the present invention provides a forwarding system shared by multiple parties on a screen, and the system includes:
- the screen multi-party sharing instruction forwarding module is used to parse the screen multi-party sharing instruction when receiving the screen multi-party sharing instruction from the initiator, obtain the user ID, and send the instruction to the responder corresponding to the user ID;
- the response message forwarding module is used to send the message to the initiator when the response message from the responder is received;
- the shared data forwarding module is used to send the data to the initiating end and the receiving end in turn when the multi-party sharing data of the screen is received from the responding end, and the multi-party sharing identifier in the multi-party sharing instruction of the screen is 1;
- the end sharing message forwarding module is used to send the end sharing message to the responding end and the receiving end in turn when the end sharing message from the initiator is received.
- the present invention provides a response method for screen sharing by multiple parties, the method includes:
- the shared content is encoded to generate screen multi-party sharing data
- the present invention proposes a response system for screen sharing by multiple parties, which is characterized in that the system includes:
- the instruction receiving module is used to receive the multi-party screen sharing instruction forwarded by the server;
- the response module is configured to send a response message to the server, where the response message includes the screen size;
- the data generation module is used to encode the shared content according to the screen multi-party sharing instruction, and generate the screen multi-party sharing data;
- the data sending module is used to send screen multi-party shared data to the server until the end sharing message forwarded by the server is received.
- the present invention provides a receiving method for multi-party sharing of screens, the method includes:
- the present invention provides an interactive system for multi-party sharing of screens.
- the system includes an initiating module, a forwarding module set on a server, a response module and a receiving module;
- the initiation module is used to send a screen multi-party sharing instruction to the server; receive the response message forwarded by the server, and create a display window according to the screen size in the response message; receive the multi-party screen shared data forwarded by the server, and analyze the screen multi-party shared data , Display in the local display window; send an end sharing message to the server;
- the forwarding module is used to parse the screen multi-party sharing instruction, obtain the user ID, and send the instruction to the response module corresponding to the user ID when receiving the screen multi-party sharing instruction; when receiving the screen multi-party sharing data from the responding end, and the screen If the multi-party sharing identifier in the multi-party sharing instruction is 1, the data is sent to the initiating module and the receiving module in turn; when the end sharing message is received, the message is sent to the responding module and the receiving module in turn;
- the response module is used to send a response message to the server when receiving the multi-party screen sharing instruction forwarded by the server; encode the shared content according to the multi-party screen sharing instruction to generate screen multi-party sharing data; send the screen multi-party sharing data to the server Data until the end sharing message forwarded by the server is received;
- the receiving module is configured to, when receiving the multi-party screen sharing data of the responding end forwarded by the server, analyze the multi-screen sharing data, and display it in the local display window until the end sharing message forwarded by the server is received.
- the screen multi-party sharing technology is applied to the scene of initiating multi-party video, everyone can share the screen flexibly, realizing "share for all";
- the initiator of multi-party screen sharing can easily switch the sharer at any time, and the content received by all viewers can be seamlessly switched accordingly, and the perspective of the viewer and the initiator is kept synchronized.
- Figure 1 is a deployment diagram of the multi-party screen sharing interactive system of the present invention
- Fig. 2 is a flow chart of the method for initiating, forwarding, responding and receiving of multi-party screen sharing according to the present invention.
- Participants in the method application of the present invention are divided into initiators and participants according to their roles.
- the application scenario is multiple clients and one server, and multiple clients communicate through the server.
- each client has the function of initiating and responding to multi-party sharing of the screen, and setting permissions according to the different identities of the login person can allow some clients in specific application scenarios to have Shared initiation function. For example, online teaching, conferences, etc., configure teachers and conference initiators to have the initiation function of multi-party sharing of screens.
- the initiator and other ordinary members log in to their respective clients, and the client and server are connected through the public network.
- the simplified deployment structure is shown in Figure 1.
- the multi-party screen sharing of the present invention is initiated by one party, and the designated client shares its screen content.
- the screen sharing content provided by the designated client can be seen by all clients, not only by the initiator.
- the initiator designates another client to provide screen sharing
- the previous sharing is automatically ended, and the new screen sharing is received and displayed.
- the perspective seen by other clients is consistent with the perspective of the initiator, and will be adjusted to a new shared screen synchronously with the initiator, which is consistent with the perspective of the initiator.
- Embodiment 1 of the present invention provides a method for initiating multi-party screen sharing, which is executed by a client that initiates multi-party screen sharing.
- the client is the initiator of a teacher, conference initiator, or other similar scenarios.
- the shared screen is not limited to the initiator, and will be sent to other clients in the scene at the same time.
- the perspective seen by other clients is synchronized with the perspective of the initiator.
- the method includes:
- Step 101) Send a screen multi-party sharing instruction to the server;
- the sharing instruction includes the user ID of the shared response terminal, the multi-party sharing identification, the designated area parameter of the sharing window, and the shared content, and the shared content, and the shared content includes two types:
- Step 102) Receive a response message forwarded by the server, the response message includes, for example, whether the other party agrees to share, and the other party's screen size. According to the needs of specific scenarios, you can set whether to agree or not as the default consent;
- Step 103) Receive the multi-party screen sharing data forwarded by the server, create a display window according to the screen size of the response message, and prepare for screen display;
- Step 104) Parse the multi-party shared data on the screen and display it locally;
- Step 105) Sending an adjusting shared area parameter message;
- the adjusting shared area parameter message includes: the position of the shared area and the window size;
- Step 106) Send an end sharing message to the server.
- step 105) is not an essential step, if there is a need for adjustment, this step is executed.
- the initiator can initiate sharing with another sharer, and the steps are the same as above.
- the teacher of client A needs everyone to be able to see the current desktop of student 1 (or a certain area of the current desktop) or the program being applied, and will send a multi-party screen sharing instruction to the server, the instruction Including student 1’s user ID, multi-party sharing identification, shared window designated area parameters, and shared content; the server parses the instruction, and sends the instruction to the end B side of the client where student 1 is located according to the user ID in the instruction;
- Client A receives the response message from Student 1 forwarded by the server, and the response message includes the screen size of the other party;
- the teacher of client A receives the shared data of student 1 forwarded by the server, and creates a display window according to the screen size of the response message;
- Client A analyzes the shared data and displays it on Client A for the teacher to view.
- the teacher needs to adjust the shared area, and the corresponding client A sends a message to adjust the parameters of the shared area.
- the message includes: the location and window size of the shared area, and the message is sent to the server;
- Client B resends the adjusted shared data according to the shared area parameter adjustment message forwarded by the server, and forwards it to client A via the server;
- Client A no longer receives the shared data of student 1, and the multi-party sharing of the screens of the teacher and student 1 ends.
- Embodiment 2 of the present invention provides an initiation system for multi-party sharing of screens, and the system includes:
- the instruction issuing module is used to send the multi-party screen sharing instruction to the server, adjust the sharing area parameter message, and end the sharing message;
- the message receiving module is used to receive the response message forwarded by the server, and create a display window according to the screen size in the response message;
- the data receiving module is used to receive the screen sharing data forwarded by the server;
- the data display module is used to analyze the screen sharing data and display it in the local display window.
- Embodiment 3 of the present invention may also provide a computer device (initiating client), including: at least one processor, memory, at least one network interface, and user interface.
- a computer device including: at least one processor, memory, at least one network interface, and user interface.
- the various components in the device are coupled together through a bus system. It can be understood that the bus system is used to realize the connection and communication between these components.
- the bus system also includes a power bus, a control bus, and a status signal bus.
- the user interface may include a display, a keyboard, or a pointing device (for example, a mouse, a trackball (trackball), a touch panel, or a touch screen, etc.).
- a pointing device for example, a mouse, a trackball (trackball), a touch panel, or a touch screen, etc.
- the memory in the embodiments disclosed in the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
- the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), and electrically available Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
- the volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache.
- RAM static random access memory
- DRAM dynamic random access memory
- DRAM synchronous dynamic random access memory
- DDRSDRAM Double Data Rate Synchronous Dynamic Random Access Memory
- Enhanced SDRAM, ESDRAM Synchronous Link Dynamic Random Access Memory
- Synchlink DRAM Synchronous Link Dynamic Random Access Memory
- DRRAM Direct Rambus RAM
- the memory stores the following elements, executable modules or data structures, or a subset of them, or an extended set of them: operating systems and applications.
- the operating system includes various system programs, such as a framework layer, a core library layer, and a driver layer, which are used to implement various basic services and process hardware-based tasks.
- Application programs including various application programs, such as Media Player, Browser, etc., are used to implement various application services.
- a program that implements the method of the embodiments of the present disclosure may be included in an application program.
- the program or instruction stored in the memory may also be called, specifically, it may be a program or instruction stored in an application program, and the processor is used for:
- the method in Embodiment 1 can be applied to a processor or implemented by a processor.
- the processor may be an integrated circuit chip with signal processing capabilities.
- each step of the above method can be completed by an integrated logic circuit of hardware in the processor or instructions in the form of software.
- the foregoing processor may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (ASIC), a field programmable gate array (Field Programmable Gate Array, FPGA) or other Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
- DSP Digital Signal Processor
- ASIC application specific integrated circuit
- FPGA field Programmable Gate Array
- the methods, steps, and logical block diagrams disclosed in Embodiment 1 can be implemented or executed.
- the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
- the steps of the method disclosed in combination with Embodiment 1 may be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
- the software module can be located in a mature storage medium in the field, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers.
- the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
- the embodiments described in the present invention can be implemented by hardware, software, firmware, middleware, microcode, or a combination thereof.
- the processing unit can be implemented in one or more application specific integrated circuits (ASIC), digital signal processor (Digital Signal Processing, DSP), digital signal processing equipment (DSP Device, DSPD), programmable Logic device (Programmable Logic Device, PLD), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processors, controllers, microcontrollers, microprocessors, and others for performing the functions described in this application Electronic unit or its combination.
- ASIC application specific integrated circuits
- DSP Digital Signal Processing
- DSP Device digital signal processing equipment
- PLD programmable Logic Device
- PLD Field-Programmable Gate Array
- FPGA Field-Programmable Gate Array
- the technology of the present invention can be implemented by executing the functional modules (such as procedures, functions, etc.) of the present invention.
- the software codes can be stored in the memory and executed by the processor.
- the memory can be implemented in the processor or external to the processor.
- Embodiment 4 of the present invention may also provide a non-volatile storage medium for storing computer programs.
- the computer program is executed by the processor, each step in the above-mentioned method embodiment 1 can be realized.
- Embodiment 5 of the present invention provides a forwarding method for multi-party sharing of screens, which is executed by a server, and the method includes:
- Step 501 When receiving the multi-party screen sharing instruction from the initiating end, according to the user ID of the multi-party screen sharing instruction, the instruction is sent to the responding end corresponding to the user ID;
- Step 502 When receiving the response message from the responding end, send the message to the initiating end;
- Step 503 After receiving the screen multi-party sharing data from the responding end, and the multi-party sharing identifier in the previously received screen multi-party sharing instruction is 1, then the data is sequentially sent to the sharing initiator and other receiving ends;
- Step 504 When receiving the end sharing message from the initiating end, the message is sent to the responding end and other receiving ends in sequence.
- 3-1 Forward the screen sharing data of client B to client A, so that the teacher can see the shared screen of student 1;
- 4-1 Forward the screen sharing end message of client A to client B, and notify student 1 to stop screen sharing;
- 4-2 Forward the sharing end message of client A to client C, and notify student 2 that they will no longer receive the shared screen of student 1.
- Embodiment 6 of the present invention provides a forwarding system for screen sharing by multiple parties, the system includes:
- the screen multi-party sharing instruction forwarding module is used to parse the screen multi-party sharing instruction when receiving the multi-party screen sharing instruction from the initiator, obtain the user ID, and send the instruction to the responder corresponding to the user ID;
- the response message forwarding module is used to send the message to the initiator when the response message from the responder is received;
- the shared data forwarding module is used to send the data to the sharing initiator and other receiving ends in turn when receiving the screen multi-party sharing data from the responding end, and the multi-party sharing identifier in the screen multi-party sharing instruction is 1;
- the end sharing message forwarding module is used to send the end sharing message from the initiator to the responding end and other receiving ends in turn.
- Embodiment 7 of the present invention provides a response method for multi-party screen sharing, which is executed by a client that receives a multi-party screen sharing instruction, and the method includes:
- the server When receiving the screen multi-party sharing instruction forwarded by the server, send a response message to the server, the response message includes the screen size; according to the screen multi-party sharing instruction, encode the shared content to generate screen multi-party sharing data; send the screen multi-party sharing data to the server Share data until the end sharing message forwarded by the server is received.
- Student 1 of client B receives a screen multi-party sharing instruction
- Student 1 agrees, and client B sends a response message to the server, where the response message includes the screen size;
- Client B prepares to share content according to the multi-party sharing message on the screen
- the teacher of client A sends a message to adjust the shared area parameters, which is forwarded to client B by the server, and client B adjusts the shared area parameters according to the message, and sends the encoded screen multi-party shared data to the server;
- the teacher sends an end sharing message, which is forwarded to client B by the server; client B receives the message and stops sending shared data, and the multi-party screen sharing process ends.
- Embodiment 8 of the present invention provides a response system for multi-party sharing of screens, and the system includes:
- the instruction receiving module is used to receive the multi-party screen sharing instruction forwarded by the server;
- the response module is configured to send a response message to the server, where the response message includes the screen size;
- the data generation module is used to encode the shared content according to the multi-party sharing instructions on the screen to generate the multi-party sharing data on the screen;
- the data sending module is used to send screen multi-party shared data to the server until the end sharing message forwarded by the server is received.
- Embodiment 9 of the present invention provides a method for receiving multi-party screen sharing, which is executed by other clients that have not received a multi-party screen sharing instruction, and the method includes:
- the screen multi-party sharing data is parsed and displayed in the local display window until the end sharing message forwarded by the server is received.
- Student 2 of client C receives the shared data of student 1 forwarded by the server and creates a display window
- Client C analyzes the shared data and displays it on client C for student 2 to view;
- the teacher wants to watch the screen of student 2 after watching the screen of student 1, he will send a screen multi-sharing instruction to student 2 of client C, and the receiving process of student 1 is the same as above.
- the clients received here can seamlessly switch to the new shared screen selected by the teacher, which is consistent with the teacher's perspective.
- Embodiment 10 of the present invention provides a receiving system for multi-party screen sharing, and the system includes:
- the receiving module is used to parse the screen multi-party shared data when receiving the multi-party screen sharing data of the responding end forwarded by the server;
- the display module is used to display the shared data in the local display window until the end sharing message forwarded by the server is received.
- Embodiment 11 of the present invention may further provide a computer device, including: at least one processor, a memory, at least one network interface, and a user interface.
- the various components in the device are coupled together through a bus system. It can be understood that the bus system is used to realize the connection and communication between these components.
- the bus system also includes a power bus, a control bus, and a status signal bus.
- the user interface may include a display, a keyboard, or a pointing device (for example, a mouse, a trackball (trackball), a touch panel, or a touch screen, etc.).
- a pointing device for example, a mouse, a trackball (trackball), a touch panel, or a touch screen, etc.
- the memory in the embodiments disclosed in the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
- the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), and electrically available Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
- the volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache.
- RAM static random access memory
- DRAM dynamic random access memory
- DRAM synchronous dynamic random access memory
- DDRSDRAM Double Data Rate Synchronous Dynamic Random Access Memory
- Enhanced SDRAM, ESDRAM Synchronous Link Dynamic Random Access Memory
- Synchlink DRAM Synchronous Link Dynamic Random Access Memory
- DRRAM Direct Rambus RAM
- the memory stores the following elements, executable modules or data structures, or a subset of them, or an extended set of them: operating systems and applications.
- the operating system includes various system programs, such as a framework layer, a core library layer, and a driver layer, which are used to implement various basic services and process hardware-based tasks.
- Application programs including various application programs, such as Media Player, Browser, etc., are used to implement various application services.
- a program that implements the method of the embodiments of the present disclosure may be included in an application program.
- the program or instruction stored in the memory may also be called, specifically, it may be a program or instruction stored in an application program, and the processor is used for:
- Embodiments 7 and 9 can be applied to a processor or implemented by a processor.
- the processor may be an integrated circuit chip with signal processing capabilities.
- each step of the above method can be completed by an integrated logic circuit of hardware in the processor or instructions in the form of software.
- the foregoing processor may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (ASIC), a field programmable gate array (Field Programmable Gate Array, FPGA) or other Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
- DSP Digital Signal Processor
- ASIC application specific integrated circuit
- FPGA field Programmable Gate Array
- the methods, steps, and logical block diagrams disclosed in Embodiment 5 can be implemented or executed.
- the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
- the steps of the method disclosed in combination with Embodiment 1 may be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
- the software module can be located in a mature storage medium in the field, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers.
- the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
- the embodiments described in the present invention can be implemented by hardware, software, firmware, middleware, microcode, or a combination thereof.
- the processing unit can be implemented in one or more application specific integrated circuits (ASIC), digital signal processor (Digital Signal Processing, DSP), digital signal processing equipment (DSP Device, DSPD), programmable Logic device (Programmable Logic Device, PLD), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processors, controllers, microcontrollers, microprocessors, and others for performing the functions described in this application Electronic unit or its combination.
- ASIC application specific integrated circuits
- DSP Digital Signal Processing
- DSP Device digital signal processing equipment
- PLD programmable Logic Device
- PLD Field-Programmable Gate Array
- FPGA Field-Programmable Gate Array
- the technology of the present invention can be implemented by executing the functional modules (such as procedures, functions, etc.) of the present invention.
- the software codes can be stored in the memory and executed by the processor.
- the memory can be implemented in the processor or external to the processor.
- Embodiment 12 of the present invention may also provide a non-volatile storage medium for storing computer programs.
- the computer program is executed by the processor, each step in the foregoing method embodiments 7 and 9 can be realized.
- Embodiment 13 of the present invention provides an interactive system for multi-party sharing of screens.
- the system includes an initiating module, a forwarding module set on a server, a response module and a receiving module;
- the initiation module is used to send a screen multi-party sharing instruction to the server; receive the response message forwarded by the server, and create a display window according to the screen size in the response message; receive the screen multi-party shared data forwarded by the server, and parse the screen multi-party shared data , Display in the local display window; send an end sharing message to the server;
- the forwarding module is configured to, when receiving the multi-party screen sharing instruction from the initiating end, parse the multi-party screen sharing instruction, obtain the user ID, and send the instruction to the response module corresponding to the user ID; when receiving the multi-party screen sharing data from the responding end, And the multi-party sharing identifier in the screen multi-party sharing instruction is 1, then the data is sent to the initiating module and the receiving module in turn; when the end sharing message from the initiator is received, the message is sent to all responding receiving modules in turn;
- the response module is used to send a response message to the server when receiving the multi-party screen sharing instruction forwarded by the server; encode the shared content according to the multi-party screen sharing instruction to generate screen multi-party sharing data; send the screen multi-party sharing data to the server Data until the end sharing message forwarded by the server is received;
- the receiving module is used to parse the multi-party shared data on the screen when receiving the multi-party shared data from other response modules forwarded by the server, and display it in the local display window until the end sharing message forwarded by the server is received
- the method of the present invention is applicable to online teaching or online meeting systems, and can also be used in any scenario with similar requirements.
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Abstract
Description
Claims (10)
- 一种屏幕多方共享的发起方法,所述方法包括:向服务器发送屏幕多方共享指令;接收服务器转发的回应消息,根据所述回应消息中的屏幕尺寸,创建显示窗口;接收服务器转发的屏幕多方共享数据;解析屏幕多方共享数据,在本地显示窗口进行显示;向服务器发送结束共享消息。
- 根据权利要求1所述的屏幕多方共享的发起方法,其特征在于,所述屏幕多方共享指令包括共享响应端的用户ID、多方共享屏幕标识、共享窗口的指定区域的位置、尺寸和共享内容。
- 根据权利要求2所述的屏幕多方共享的发起方法,其特征在于,所述共享内容包括指定桌面共享和指定正在使用的应用程序的共享。
- 一种屏幕多方共享的发起系统,其特征在于,所述系统,包括:指令发出模块,用于向服务器发送屏幕多方共享指令和结束共享消息;消息接收模块,用于接收服务器转发的回应消息,根据所述回应消息中的屏幕尺寸,创建显示窗口;数据接收模块,用于接收服务器转发的屏幕多方共享数据;数据显示模块,用于解析屏幕多方共享数据,在本地显示窗口进行显示。
- 一种屏幕多方共享的转发方法,所述方法包括:当收到发起端的屏幕多方共享指令时,解析屏幕多方共享指令,获取用户ID,将该指令发送到用户ID对应的响应端;当收到响应端的回应消息时,将该消息发送到发起端;当收到响应端的屏幕多方共享数据,并且屏幕多方共享指令中的多方共享标识为1,则将该数据依次发送到发起端和接收端;当收到发起端的结束共享消息时,将该消息依次发送到响应端和接收端。
- 一种屏幕多方共享的转发系统,其特征在于,所述系统包括:屏幕多方共享指令转发模块,用于当收到发起端的屏幕多方共享指令时,解析屏幕多方共享指令,获取用户ID,将该指令发送到用户ID对应的响应端;回应消息转发模块,用于当收到响应端的回应消息时,将该消息发送到发起端;共享数据转发模块,用于当收到响应端的屏幕多方共享数据,并且屏幕多方共享指令中的多方共享标识为1,则将该数据依次发送到发起端和接收端;结束共享消息转发模块,用于当收到发起端的结束共享消息时,将该消息依次发送到响应端和接收端。
- 一种屏幕多方共享的响应方法,所述方法包括:当收到服务器转发的屏幕多方共享指令时,向服务器发送回应消息,所述回应消息包括屏幕尺寸;根据屏幕多方共享指令,对共享的内容进行编码,生成屏幕多方共享数据;向服务器发送屏幕多方共享数据,直至收到服务器转发的结束共享消息。
- 一种屏幕多方共享的响应系统,其特征在于,所述系统包括:指令接收模块,用于接收服务器转发的屏幕多方共享指令;响应模块,用于向服务器发送回应消息,所述回应消息包括屏幕尺寸;数据生成模块,用于根据屏幕多方共享指令,对共享的内容进行编码,生成屏幕多方共享数据;数据发送模块,用于向服务器发送屏幕多方共享数据,直至接收到服务器转发的结束共享消息。
- 一种屏幕多方共享的接收方法,所述方法包括:当收到服务器转发的响应端的屏幕多方共享数据时,解析屏幕多方共享数据;在本地显示窗口进行显示直至收到服务器转发的结束共享消息。
- 一种屏幕多方共享的互动系统,其特征在于,所述系统包括发起模块、设置在服务器上的转发模块,以及响应模块和接收模块;所述发起模块,用于向服务器发送屏幕多方共享指令;接收服务器转发的回应消息,根据所述回应消息中的屏幕尺寸,创建显示窗口;接收服务器转发的屏幕多方共享数据,解析屏幕多方共享数据,在本地显示窗口进行显示;向服务器发送结束共享消息;所述转发模块,用于当收到屏幕多方共享指令时,解析屏幕多方共享指令,获取用户ID,将该指令发送到用户ID对应的响应模块;当收到响应端的屏幕多方共享数据,并且屏幕多方共享指令中的多方共享标识为1,则将该数据依次发送到发起模块和接收模块;当收到结束共享消息时,将该消息依次发送到响应模块和接收模块;所述响应模块,用于当收到服务器转发的屏幕多方共享指令时,向服务器发送回应消息;根据屏幕多方共享指令,对共享的内容进行编码,生成屏幕多方共享数据;向服务器发送屏幕多方共享数据,直至收到服务器转发的结束共享消息;所述接收模块,用于当收到服务器转发的响应端的屏幕多方共享数据时,解析屏幕多方共享数据,在本地显示窗口进行显示直至收到服务器转发的结束共享消息。
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CN115499693A (zh) * | 2022-08-09 | 2022-12-20 | 深圳市酷开网络科技股份有限公司 | 多屏异显的控制方法及装置、系统、存储介质、电子设备 |
CN116974503A (zh) * | 2023-09-22 | 2023-10-31 | 天津卓朗昆仑云软件技术有限公司 | 屏幕共享方法、装置及数字教学系统 |
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CN113132674A (zh) * | 2021-04-21 | 2021-07-16 | 福建捷联电子有限公司 | 一种可快速实现桌面共享功能的视频会议机 |
CN113037518B (zh) * | 2021-05-28 | 2021-10-08 | 明品云(北京)数据科技有限公司 | 一种数据传输方法及系统 |
CN115033821A (zh) * | 2022-05-24 | 2022-09-09 | 北京达佳互联信息技术有限公司 | 一种文档显示方法、装置、电子设备及存储介质 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015064854A1 (ko) * | 2013-11-01 | 2015-05-07 | 주식회사 모브릭 | 멀티앵글영상서비스의 사용자인터페이스 메뉴 제공방법 및 사용자 인터페이스메뉴 제공장치 |
CN104703022A (zh) * | 2013-12-10 | 2015-06-10 | Sk普兰尼特有限公司 | 用于屏幕共享的装置和方法 |
CN105210026A (zh) * | 2013-05-13 | 2015-12-30 | 三星电子株式会社 | 使用电子设备的方法和装置 |
WO2016050113A1 (zh) * | 2014-09-29 | 2016-04-07 | 中兴通讯股份有限公司 | 一种业务实现方法、设备及存储介质 |
CN107911437A (zh) * | 2017-11-10 | 2018-04-13 | 广州视睿电子科技有限公司 | 屏幕共享的方法、装置、电子设备及存储介质 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2015207840B2 (en) * | 2014-07-31 | 2020-06-18 | Samsung Electronics Co., Ltd. | System and method of managing metadata |
-
2020
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- 2020-06-15 WO PCT/CN2020/096057 patent/WO2021164154A1/zh active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105210026A (zh) * | 2013-05-13 | 2015-12-30 | 三星电子株式会社 | 使用电子设备的方法和装置 |
WO2015064854A1 (ko) * | 2013-11-01 | 2015-05-07 | 주식회사 모브릭 | 멀티앵글영상서비스의 사용자인터페이스 메뉴 제공방법 및 사용자 인터페이스메뉴 제공장치 |
CN104703022A (zh) * | 2013-12-10 | 2015-06-10 | Sk普兰尼特有限公司 | 用于屏幕共享的装置和方法 |
WO2016050113A1 (zh) * | 2014-09-29 | 2016-04-07 | 中兴通讯股份有限公司 | 一种业务实现方法、设备及存储介质 |
CN107911437A (zh) * | 2017-11-10 | 2018-04-13 | 广州视睿电子科技有限公司 | 屏幕共享的方法、装置、电子设备及存储介质 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115499693A (zh) * | 2022-08-09 | 2022-12-20 | 深圳市酷开网络科技股份有限公司 | 多屏异显的控制方法及装置、系统、存储介质、电子设备 |
CN116974503A (zh) * | 2023-09-22 | 2023-10-31 | 天津卓朗昆仑云软件技术有限公司 | 屏幕共享方法、装置及数字教学系统 |
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