CN112770151A - Method, device and storage medium for supporting multi-person interception of screen-projected playing picture - Google Patents

Method, device and storage medium for supporting multi-person interception of screen-projected playing picture Download PDF

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Publication number
CN112770151A
CN112770151A CN202011532692.6A CN202011532692A CN112770151A CN 112770151 A CN112770151 A CN 112770151A CN 202011532692 A CN202011532692 A CN 202011532692A CN 112770151 A CN112770151 A CN 112770151A
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Prior art keywords
preset number
screen
intelligent
playing
party
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CN202011532692.6A
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Chinese (zh)
Inventor
李永沐
张欢颜
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Shenzhen Skyworth RGB Electronics Co Ltd
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Shenzhen Skyworth RGB Electronics Co Ltd
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Priority to CN202011532692.6A priority Critical patent/CN112770151A/en
Publication of CN112770151A publication Critical patent/CN112770151A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4334—Recording operations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
    • H04N21/43637—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/85—Assembly of content; Generation of multimedia applications
    • H04N21/854—Content authoring
    • H04N21/8547—Content authoring involving timestamps for synchronizing content

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

The invention discloses a method, a device and a computer storage medium for supporting multiple persons to intercept a screen-casting playing picture, wherein the method comprises the following steps: the intelligent terminal establishes communication connection with the intelligent display terminal to perform screen projection playing; establishing communication connection between a preset number of third-party intelligent terminals and the intelligent display terminals in a preset mode; acquiring screen capture requests of a preset number of third-party intelligent terminals and corresponding timestamps; acquiring a playing picture corresponding to the playing file of the intelligent display terminal according to the preset number of screen capturing requests of the third-party intelligent terminals and the corresponding time stamps; and sending the playing pictures corresponding to the playing files of the intelligent display terminal to a preset number of third-party intelligent terminals. The problem of exist among the prior art when the speaker utilizes intelligent terminal and intelligent display equipment to throw the screen and show, the viewer can only take the form that third party intelligent terminal shot to record the screen content of throwing and lead to the unclear photo that shoots is solved.

Description

Method, device and storage medium for supporting multi-person interception of screen-projected playing picture
Technical Field
The invention relates to the technical field of computers, in particular to a method and a device for supporting multiple persons to intercept a screen-casting playing picture and a computer storage medium.
Background
With the popularization of smart display devices, such as smart televisions, many conference scenes often use a television screen as a display device for displaying files such as videos, PPT, PDF, Word, and Excel. When a speaker uses the intelligent terminal to connect with a television for sharing, a viewer under the platform can only take the form of taking a picture by the third-party intelligent terminal to record the content being shared, so that unclear content can be often shot.
Therefore, in the prior art, when a speaker uses the intelligent terminal and the intelligent display device to perform screen projection display, a viewer can only take the form of photographing by the third-party intelligent terminal to record screen projection content, so that the photographed photos are not clear.
Disclosure of Invention
The invention mainly aims to provide a method, a device and a computer storage medium for supporting multiple persons to intercept a screen-shot playing picture, and aims to solve the problem that in the prior art, when a speaker uses an intelligent terminal and an intelligent display device to perform screen-shot display, a viewer can only take the form of shooting by a third-party intelligent terminal to record screen-shot content, so that shot photos are not clear.
In order to achieve the above object, the present invention provides a method for supporting multiple people to intercept a screen-shot playing picture, wherein the method for supporting multiple people to intercept a screen-shot playing picture comprises the following steps:
the intelligent terminal establishes communication connection with the intelligent display terminal to perform screen projection playing;
establishing communication connection between a preset number of third-party intelligent terminals and the intelligent display terminals in a preset mode;
acquiring screen capture requests of a preset number of third-party intelligent terminals and corresponding timestamps;
acquiring a playing picture corresponding to the playing file of the intelligent display terminal according to the preset number of screen capturing requests of the third-party intelligent terminals and the corresponding time stamps;
and sending the playing pictures corresponding to the playing files of the intelligent display terminal to a preset number of third-party intelligent terminals.
In an embodiment, the establishing, by the preset number of third-party intelligent terminals, a communication connection with the intelligent display terminal in a preset manner includes:
a preset number of third-party intelligent terminals and the intelligent display terminals are connected to the same local area network;
scanning the two-dimensional codes displayed on the intelligent display terminal by a preset number of third-party intelligent terminals for registration, and establishing communication connection with the intelligent display terminal after the registration is completed; wherein each third party terminal has a unique user profile code.
In an embodiment, after the step of establishing communication connection between the preset number of third-party intelligent terminals and the intelligent display terminal in a preset manner, the method further includes:
the third-party intelligent terminals in the preset number send the screen capturing requests in the preset number and the corresponding timestamps to the screen capturing interface server; and the preset number of screen capturing requests comprise a preset number of user characteristic codes.
In an embodiment, the obtaining of the screen capture requests of the preset number of third-party intelligent terminals and the timestamps corresponding to the screen capture requests includes:
the method comprises the steps that a screen capture interface server obtains a preset number of screen capture requests sent by a preset number of third-party intelligent terminals and corresponding timestamps;
establishing a screen capture request queue according to the timestamp; the screen capture request queue sorts a preset number of screen capture requests according to time sequence;
and sequentially executing the screen capturing requests of the preset number.
In an embodiment, when the playing file is a video, the acquiring a playing picture corresponding to the playing file of the intelligent display terminal according to the preset number of screen capture requests of the third-party intelligent terminals and the corresponding timestamps thereof includes:
the screen capture interface server acquires video addresses from the intelligent display terminal according to the preset number of screen capture requests and the corresponding timestamps;
sending a preset number of screen capturing instructions to an intelligent display terminal according to a preset number of timestamps and the video addresses;
receiving a preset number of image frames corresponding to a preset number of screen capturing requests;
and establishing a mapping relation among the preset number of image frames, the preset number of time stamps and the preset number of user feature codes.
In an embodiment, when the playing file is a text or a picture, the acquiring a playing picture corresponding to the playing file of the intelligent display terminal according to the preset number of screen capture requests of the third-party intelligent terminals and the corresponding timestamps thereof includes:
the screen capture interface server acquires page numbers of texts or pictures from the intelligent display terminal according to the preset number of screen capture requests and the corresponding timestamps;
sending a preset number of screen capturing instructions to an intelligent display terminal according to a preset number of timestamps and the page numbers of the texts or the pictures;
receiving a preset number of image frames corresponding to a preset number of screen capturing requests;
and establishing a mapping relation among the preset number of image frames, the preset number of time stamps and the preset number of user feature codes.
In an embodiment, before the step of receiving a preset number of image frames corresponding to a preset number of screen capture requests, the method further includes:
the intelligent display receives the preset number of screen capturing instructions;
capturing the screen of the playing file according to the preset number of screen capturing instructions;
and storing the screenshots with the preset number into a preset memory.
In an embodiment, the sending the playing frames corresponding to the playing files of the intelligent display terminal to a preset number of third-party intelligent terminals includes:
the screen capture interface server receives the image query instructions sent by the preset number of third-party intelligent terminals;
and sending the corresponding image frames to the preset number of third-party intelligent terminals according to the image inquiry command.
In one embodiment, the method further comprises:
and clearing the screenshot stored in the preset memory.
In order to achieve the above object, the present invention further provides a device for supporting multiple people to intercept and cast a screen playing picture, the device includes a memory, a processor, and a program stored in the memory and running on the processor for supporting multiple people to intercept and cast a screen playing picture, and when the program for supporting multiple people to intercept and cast a screen playing picture is executed by the processor, the above steps of the method for supporting multiple people to intercept and cast a screen playing picture are implemented.
In order to achieve the above object, the present invention further provides a computer readable storage medium, where a program for supporting multiple persons to intercept a screen-shot playing picture is stored, and when the program is executed by a processor, the steps of the method for supporting multiple persons to intercept a screen-shot playing picture are implemented.
According to the method, the device and the computer storage medium for supporting multiple persons to intercept the screen-casting playing picture, the intelligent terminal and the intelligent display terminal are in communication connection to perform screen-casting playing; establishing communication connection between a preset number of third-party intelligent terminals and the intelligent display terminals in a preset mode; the screen capturing interface server acquires screen capturing requests of a preset number of third-party intelligent terminals and corresponding timestamps; acquiring a playing picture corresponding to the playing file of the intelligent display terminal according to the preset number of screen capturing requests of the third-party intelligent terminals and the corresponding time stamps; because the screenshot is obtained according to the screenshot request and the timestamp corresponding to the screenshot request, the obtained screenshot cannot have a delay phenomenon, and the obtained screenshot is ensured to be correct; and sending the playing pictures corresponding to the playing files of the intelligent display terminal to a preset number of third-party intelligent terminals. Through the technical means of the embodiment, the third-party intelligent terminals can acquire the required screenshot of the playing picture of the intelligent display terminal, and the acquired screenshot is clear and accurate, so that the problem that pictures shot by a viewer are not clear due to the fact that the viewer can only take the form of shooting by the third-party intelligent terminal to record the screen shooting content when the speaker utilizes the intelligent terminal and the intelligent display device to perform screen shooting display in the prior art is solved.
Drawings
FIG. 1 is a schematic diagram of an apparatus according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating a first embodiment of a method for supporting multiple users to capture a screen-shot playing image according to the present invention;
FIG. 3 is an interaction diagram of a method for supporting multiple persons to intercept a screen-shot playing picture according to the present invention;
FIG. 4 is a flowchart illustrating the step S120 in the first embodiment of the present invention;
FIG. 5 is a flowchart illustrating the step S130 according to the first embodiment of the present invention;
FIG. 6 is a flowchart illustrating the step S140 in the first embodiment of the present invention;
FIG. 7 is a flowchart illustrating the step S140 in the first embodiment of the present invention;
FIG. 8 is a flowchart illustrating a detailed process of step S150 according to the first embodiment of the present invention;
FIG. 9 is a flowchart illustrating a method for supporting multiple users to capture a screen-shot video according to a second embodiment of the present invention.
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.
The main solution of the embodiment of the invention is as follows: the intelligent terminal establishes communication connection with the intelligent display terminal to perform screen projection playing; establishing communication connection between a preset number of third-party intelligent terminals and the intelligent display terminals in a preset mode; the screen capturing interface server acquires screen capturing requests of a preset number of third-party intelligent terminals and corresponding timestamps; acquiring a playing picture corresponding to the playing file of the intelligent display terminal according to the preset number of screen capturing requests of the third-party intelligent terminals and the corresponding time stamps; because the screenshot is obtained according to the screenshot request and the timestamp corresponding to the screenshot request, the obtained screenshot cannot have a delay phenomenon, and the obtained screenshot is ensured to be correct; and sending the playing pictures corresponding to the playing files of the intelligent display terminal to a preset number of third-party intelligent terminals. Through the technical means of the embodiment, the third-party intelligent terminals can acquire the required screenshot of the playing picture of the intelligent display terminal, and the acquired screenshot is clear and accurate, so that the problem that pictures shot by a viewer are not clear due to the fact that the viewer can only take the form of shooting by the third-party intelligent terminal to record the screen shooting content when the speaker utilizes the intelligent terminal and the intelligent display device to perform screen shooting display in the prior art is solved.
As an implementation manner, fig. 1 may be shown, where fig. 1 is a schematic structural diagram of an apparatus according to an embodiment of the present invention.
Processor 1100 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware or instructions in the form of software in the processor 1100. The processor 1100 described above may be a general purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components. The various methods, steps and logic blocks disclosed in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in the memory 1200, and the processor 1100 reads the information in the memory 1200 and performs the steps of the above method in combination with the hardware thereof.
It will be appreciated that memory 1200 in embodiments of the invention may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The non-volatile Memory may be a Read Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of illustration and not limitation, many forms of RAM are available, such as Static random access memory (Static RAM, SRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic random access memory (Synchronous DRAM, SDRAM), Double Data Rate Synchronous Dynamic random access memory (ddr Data Rate SDRAM, ddr SDRAM), Enhanced Synchronous SDRAM (ESDRAM), Synchlink DRAM (SLDRAM), and Direct Rambus RAM (DRRAM). The memory 1200 of the systems and methods described in connection with the embodiments of the invention is intended to comprise, without being limited to, these and any other suitable types of memory.
For a software implementation, the techniques described in this disclosure may be implemented with modules (e.g., procedures, functions, and so on) that perform the functions described in this disclosure. The software codes may be stored in a memory and executed by a processor. The memory may be implemented within the processor or external to the processor.
Based on the above structure, an embodiment of the present invention is proposed.
Referring to fig. 2, fig. 2 is a first embodiment of a method for supporting multiple persons to intercept a screen-shot playing picture according to the present invention, where the method for supporting multiple persons to intercept a screen-shot playing picture includes the following steps:
and step S110, the intelligent terminal establishes communication connection with the intelligent display terminal to perform screen projection playing.
In this embodiment, the intelligent terminal includes but is not limited to: smart phones, computers, tablet computers, wearable portable devices, and the like. The intelligent display terminal includes but is not limited to: the intelligent equipment with the display function such as the intelligent television and the computer display.
The intelligent terminal and the intelligent display end are in communication connection, which can be man-made control connection, or the intelligent terminal and the intelligent display end are connected to the same local area network, and the intelligent terminal and the intelligent display end are automatically connected without excessive limitation; the intelligent terminal is the end of the speaker; the content needing to be shared by the intelligent terminal is projected to a screen and played on the intelligent display terminal; for example, the intelligent terminal plays the content to be shared on the intelligent display terminal through the appointed screen-casting application software; the designated screen projection application is preferably a cool wisdom screen application.
And step S120, establishing communication connection between a preset number of third-party intelligent terminals and the intelligent display terminals in a preset mode.
In this embodiment, the third-party intelligent terminal includes but is not limited to: smart phones, computers, tablet computers, wearable portable devices, and the like; the third party intelligent terminal is the end of the viewer. The preset number may be one or more, and because the present invention needs to implement that multiple users share the screen capture, it is preferable that multiple, for example, 20 third-party intelligent terminals are provided. For the invention, because the intelligent terminal is in communication connection with the intelligent display terminal to share the screen projection content, the third-party intelligent terminal establishes communication connection with the intelligent display terminal in a preset mode, but the third-party intelligent terminal cannot control the intelligent display terminal to perform screen projection playing, and the invention aims to realize screen capture shared by multiple persons; and establishing communication connection between the preset number of third-party intelligent terminals and the intelligent display terminals in a preset mode. For example, a preset number of third-party intelligent terminals scan two-dimensional codes displayed by the intelligent display terminal to establish communication connection with the intelligent display terminal, and the two-dimensional codes are preferably provided for the intelligent display terminal for display by appointed screen projection application software.
Step S130, screen capture requests of a preset number of third-party intelligent terminals and corresponding time stamps are obtained.
In this embodiment, the interaction between the third-party intelligent terminal and the intelligent display terminal is preferably realized through a public server, and the public server is preferably a screen capture interface server. Referring to fig. 3, fig. 3 is an interaction diagram of the method for supporting multiple people to intercept a screen-shot playing picture according to the present invention. Therefore, the third-party intelligent terminal only needs to send instructions and receive pictures; the intelligent display terminal only needs to receive the instruction forwarded by the public server and capture a screen according to the instruction. The time stamp is data generated by using a digital signature technology, and a signed object comprises original file information, signature parameters, signature time and other information. The main purpose of the time stamp is to authenticate the time of data generation by a certain technical means, so as to verify whether the data is falsified after being generated. The provider of the time stamping service must prove that the source of the time used in the service is authentic and that the time stamping service provided is secure.
The screen capturing interface server obtains screen capturing requests of a preset number of third-party intelligent terminals and corresponding timestamps. Certainly, the third-party intelligent terminals which are not limited to the preset number all send screen capture requests, and the screen capture interface server only obtains signals of the third-party intelligent terminals which send the screen capture requests.
Step S140, acquiring a playing frame corresponding to the playing file of the intelligent display terminal according to the preset number of screen capturing requests of the third-party intelligent terminals and the corresponding timestamps.
In this embodiment, the playing file may be a video file, or may be a text or picture file; for example, documents such as PPT, Word, PDF, and Excel. And the screen capture interface server acquires the playing pictures corresponding to the playing files of the intelligent display terminal according to the screen capture requests of the third-party intelligent terminals in the preset number and the corresponding timestamps.
And S150, sending the playing pictures corresponding to the playing files of the intelligent display terminal to a preset number of third-party intelligent terminals.
In this embodiment, the screen capture interface server sends the playing pictures corresponding to the playing files of the intelligent display terminal to the preset number of third-party intelligent terminals.
In the technical scheme provided by the embodiment, the intelligent terminal establishes communication connection with the intelligent display terminal to perform screen projection playing; establishing communication connection between a preset number of third-party intelligent terminals and the intelligent display terminals in a preset mode; the screen capturing interface server acquires screen capturing requests of a preset number of third-party intelligent terminals and corresponding timestamps; acquiring a playing picture corresponding to the playing file of the intelligent display terminal according to the preset number of screen capturing requests of the third-party intelligent terminals and the corresponding time stamps; because the screenshot is obtained according to the screenshot request and the timestamp corresponding to the screenshot request, the obtained screenshot cannot have a delay phenomenon, and the obtained screenshot is ensured to be correct; and sending the playing pictures corresponding to the playing files of the intelligent display terminal to a preset number of third-party intelligent terminals. Through the technical means of the embodiment, the third-party intelligent terminals can acquire the required screenshot of the playing picture of the intelligent display terminal, and the acquired screenshot is clear and accurate, so that the problem that pictures shot by a viewer are not clear due to the fact that the viewer can only take the form of shooting by the third-party intelligent terminal to record the screen shooting content when the speaker utilizes the intelligent terminal and the intelligent display device to perform screen shooting display in the prior art is solved.
Referring to fig. 4, fig. 4 is a step S120 in the first embodiment of the present invention, that is, a specific step of establishing communication connection between a preset number of third-party intelligent terminals and the intelligent display terminal in a preset manner includes:
and step S121, connecting a preset number of third-party intelligent terminals and the intelligent display terminals to the same local area network.
In this embodiment, a preset number of third-party intelligent terminals and intelligent display terminals are connected to the same local area network; for example, a preset number of third-party intelligent terminals and intelligent display terminals are connected to the same WiFi network.
Step S122, scanning the two-dimensional codes displayed on the intelligent display terminal by a preset number of third-party intelligent terminals for registration, and establishing communication connection with the intelligent display terminal after the registration is finished; wherein each third party terminal has a unique user profile code.
In this embodiment, the viewer controls a preset number of third-party intelligent terminals to scan the two-dimensional codes displayed on the intelligent display terminal for registration and registration, and after the registration and registration are completed, the third-party intelligent terminals establish communication connection with the intelligent terminal. Wherein each third party terminal has a unique user profile code. For example, a viewer controls a third-party intelligent terminal to scan a two-dimensional code displayed on an intelligent display terminal to register through a mobile phone number, and after the registration is completed, communication connection is established with the intelligent terminal; the user feature code is a mobile phone number. It is needless to say that registration may be performed by a micro signal or the like, and the registration is not limited to this.
In the technical solution provided in this embodiment, the step of refining step S120 in the first embodiment of the present invention specifically includes: the third-party intelligent terminals and the intelligent display terminals in the preset number are connected to the same local area network, so that the safety of the network is ensured; and scanning the two-dimensional codes displayed on the intelligent display terminals by a preset number of third-party intelligent terminals for registration, and establishing communication connection with the intelligent display terminals after the registration is completed.
In the above embodiment, after the step of step S120, the method further includes:
step S210, sending a preset number of screen capturing requests and corresponding timestamps to a screen capturing interface server by a preset number of third-party intelligent terminals; and the preset number of screen capturing requests comprise a preset number of user characteristic codes.
In this embodiment, the screen capture request is issued by the viewer to control the third-party smart terminal, for example, the viewer issues the screen capture request by specifying a screen capture button on the screen capture application software. The third-party intelligent terminals in the preset number send the screen capturing requests in the preset number and the corresponding timestamps to the screen capturing interface server; the preset number of screen capturing requests comprise a preset number of user feature codes, and each screen capturing request corresponds to one user feature code of a third-party intelligent terminal.
Referring to fig. 5, fig. 5 is a specific step of step S130 in the first embodiment of the present invention, namely, acquiring screen capture requests of a preset number of third-party intelligent terminals and timestamps corresponding to the screen capture requests, specifically including:
step S131, the screen capturing interface server obtains a preset number of screen capturing requests sent by a preset number of third-party intelligent terminals and corresponding timestamps.
In this embodiment, the screen capture interface server obtains a preset number of screen capture requests sent by a preset number of third-party intelligent terminals and timestamps corresponding to the preset number of screen capture requests.
Step S132, establishing a screen capture request queue according to the timestamp; the screen capture request queue sorts a preset number of screen capture requests according to time sequence.
In this embodiment, the screen capture interface server establishes a screen capture request queue according to a time sequence relationship of timestamps corresponding to the screen capture requests.
And step S133, sequentially executing the preset number of screen capturing requests.
In this embodiment, the screen capture interface server sequentially executes a preset number of screen capture requests.
In the technical solution provided in this embodiment, the step of refining step S130 in the first embodiment of the present invention specifically includes: the method comprises the steps that a screen capture interface server obtains a preset number of screen capture requests sent by a preset number of third-party intelligent terminals and corresponding timestamps; establishing a screen capture request queue according to the timestamp; the screen capture request queue sorts a preset number of screen capture requests according to time sequence; and sequentially executing a preset number of screen capturing requests.
Referring to fig. 6, fig. 6 is a step S140 in the first embodiment of the present invention, when the playing file is a video, that is, a specific step of acquiring a playing picture corresponding to the playing file of the intelligent display terminal according to the preset number of screen capturing requests of the third-party intelligent terminals and the corresponding timestamps thereof specifically includes:
and step S141, the screen capture interface server acquires video addresses from the intelligent display terminal according to the preset number of screen capture requests and the corresponding timestamps.
In this embodiment, when the playing file is a video file, the screen capture interface server obtains an address of the video file from the intelligent display terminal according to the preset number of screen capture requests and the corresponding timestamps thereof. The method specifically comprises the following steps: and the screen capture interface server determines the video file played by the intelligent display terminal according to the time stamp corresponding to the screen capture request, and then acquires the address corresponding to the video file from the intelligent display terminal.
And S142, sending a preset number of screen capturing instructions to the intelligent display terminal according to a preset number of timestamps and the video addresses.
In this embodiment, the screen capture interface server sends a preset number of screen capture instructions to the intelligent display terminal according to a preset number of timestamps and video addresses.
In step S143, a preset number of image frames corresponding to the preset number of screen capturing requests are received.
In this embodiment, the screen capture interface server receives a preset number of image frames corresponding to a preset number of screen capture requests.
Step S144, establishing a mapping relationship among the preset number of image frames, the preset number of time stamps, and the preset number of user feature codes.
In this embodiment, the screen capture interface server establishes a mapping relationship between a preset number of image frames, a preset number of time stamps, and a preset number of user feature codes. For example, the timestamp corresponding to the mobile phone number of the user a is 1, and the corresponding image frame is 1; the time stamp corresponding to the mobile phone number of the user B is 2, and the corresponding image frame is 2.
In the technical solution provided in this embodiment, the step S140 in the first embodiment of the present invention is detailed as follows: when the playing file is a video file, the screen capture interface server acquires video addresses from the intelligent display terminal according to the preset number of screen capture requests and the corresponding timestamps; sending a preset number of screen capturing instructions to an intelligent display terminal according to a preset number of timestamps and the video addresses; receiving a preset number of image frames corresponding to a preset number of screen capturing requests; and establishing a mapping relation among a preset number of image frames, a preset number of time stamps and a preset number of user feature codes. Because the screen capture interface server sends the screen capture instruction according to the video address and the timestamp, the intelligent display terminal can capture the screen of the video file according to the timestamp and the video address, so that the accurate pictures obtained by a subsequent third-party intelligent terminal are ensured, and no delay is caused.
Referring to fig. 7, fig. 7 is a specific step of, in step S140 in the first embodiment of the present invention, when the playing file is a text or a picture, that is, the playing picture corresponding to the playing file of the intelligent display terminal is obtained according to the preset number of screen capturing requests of the third-party intelligent terminals and the timestamps corresponding to the screen capturing requests, where the specific step includes:
step S146, the screen capture interface server obtains page numbers of the texts or the pictures from the intelligent display terminal according to the preset number of screen capture requests and the corresponding timestamps.
In this embodiment, when the playing file is a text or picture file, the screen capture interface server obtains page numbers of the text or picture file from the intelligent display terminal according to the preset number of screen capture requests and the corresponding timestamps thereof. For example, the page number of the PPT file is obtained.
And S147, sending a preset number of screen capturing instructions to the intelligent display terminal according to a preset number of timestamps and the page numbers of the texts or the pictures.
In this embodiment, the screen capture interface server sends a preset number of screen capture instructions to the intelligent display terminal according to a preset number of timestamps and video addresses.
In step S148, a preset number of image frames corresponding to the preset number of screen capturing requests are received.
In this embodiment, the screen capture interface server receives a preset number of image frames corresponding to a preset number of screen capture requests.
Step S149, establishing a mapping relationship among the preset number of image frames, the preset number of time stamps, and the preset number of user feature codes.
In this embodiment, the screen capture interface server establishes a mapping relationship between a preset number of image frames, a preset number of time stamps, and a preset number of user feature codes. For example, the timestamp corresponding to the mobile phone number of the user a is 1, and the corresponding image frame is the first page of the PPT file; and the time stamp corresponding to the mobile phone number of the user B is 2, and the corresponding image frame is the second page of the PPT file.
In the technical solution provided in this embodiment, the step S140 in the first embodiment of the present invention is detailed as follows: when the playing file is a text or picture file, the screen capture interface server acquires page numbers of the text or picture from the intelligent display terminal according to the preset number of screen capture requests and the corresponding timestamps; sending a preset number of screen capturing instructions to an intelligent display terminal according to a preset number of timestamps and page numbers of texts or pictures; receiving a preset number of image frames corresponding to a preset number of screen capturing requests; and establishing a mapping relation among a preset number of image frames, a preset number of time stamps and a preset number of user feature codes. Because the screen capturing interface server sends the screen capturing instruction according to the page number and the time stamp of the text or the picture file, the intelligent display terminal captures the text or the picture file according to the time stamp and the page number, and the accuracy and the no delay of the pictures obtained by the follow-up third-party intelligent terminal are ensured.
In the above embodiment, before the step of step S143 or step S148, the method further includes:
and step S310, the intelligent display receives the preset number of screen capturing instructions.
In this embodiment, the smart display receives a preset number of screen capture commands.
And step S320, performing screenshot on the playing file according to the preset number of screenshot instructions.
In this embodiment, the intelligent display terminal captures the screen of the playing file according to a preset number of screen capturing instructions. Preferably, a video screenshot server in the intelligent display terminal captures the playing file according to a preset number of screenshot instructions.
Step S330, saving a preset number of screenshots to a preset memory.
In this embodiment, the preset memory is preferably a video capture memory in the intelligent display terminal, and the video capture server stores a preset number of screenshots in the video capture memory.
In the technical scheme provided by this embodiment, the intelligent display receives the preset number of screen capturing instructions; the video screenshot server carries out screenshot on the playing file according to a preset number of screenshot instructions; and the video screenshot server stores the screenshots with the preset number into a video screenshot storage.
Referring to fig. 8, fig. 8 is a flowchart illustrating a specific step S150 of sending the playing frames corresponding to the playing files of the intelligent display terminal to a preset number of third-party intelligent terminals according to the first embodiment of the present invention, which specifically includes:
and step S151, the screen capturing interface server receives the image inquiring instructions sent by the preset number of third-party intelligent terminals.
In this embodiment, the screen capture interface server receives the query and picture browsing instructions sent by the preset number of third-party intelligent terminals. According to the above, the third-party intelligent terminals which are not limited to the preset number all send the screen capturing requests, for example, the screen capturing interface server receives the inquiry and picture browsing instructions of the third-party intelligent terminal a and the third-party intelligent terminal B.
And S152, sending the corresponding image frames to the preset number of third-party intelligent terminals according to the inquiry picture instruction.
In this embodiment, the screen capture interface server searches the corresponding image frames on the video screen capture memory according to the query and the picture browsing instruction, and sends the corresponding image frames to the preset number of third-party intelligent terminals. For example, the corresponding image frame A is sent to a third-party intelligent terminal A according to the screen capture interface server; and sending the corresponding image frame B to a third-party intelligent terminal B.
In the technical solution provided in this embodiment, the step S150 in the first embodiment of the present invention is detailed as follows: the screen capture interface server receives image query instructions sent by a preset number of third-party intelligent terminals; and sending the corresponding image frames to a preset number of third-party intelligent terminals according to the image query instruction.
Referring to fig. 9, fig. 9 is a second embodiment of the method for supporting multiple persons to intercept a screen-shot playing picture, including:
and S410, establishing communication connection between the intelligent terminal and the intelligent display terminal, and performing screen projection playing.
Step S420, a preset number of third-party intelligent terminals establish communication connection with the intelligent display terminal in a preset manner.
Step S430, acquiring screen capture requests of a preset number of third-party intelligent terminals and corresponding timestamps.
Step S440, acquiring a playing picture corresponding to the playing file of the intelligent display terminal according to the preset number of screen capturing requests of the third-party intelligent terminals and the corresponding timestamps.
And step S450, sending the playing pictures corresponding to the playing files of the intelligent display terminal to a preset number of third-party intelligent terminals.
Compared with the first embodiment, the second embodiment includes step S460, and other steps are the same as the first embodiment and are not repeated.
Step S460, clearing the screenshot stored in the preset memory.
In this embodiment, after the step of sending the screenshot picture to the corresponding third-party intelligent terminal, the screenshot interface server automatically clears the screenshot stored in the video screenshot storage of the intelligent display terminal, and releases the memory.
In the technical scheme provided by this embodiment, after the step of sending the screenshot picture to the corresponding third-party intelligent terminal, the screenshot interface server automatically clears the screenshot stored in the video screenshot storage of the intelligent display end, releases the memory, and ensures the availability of the storage space of the video screenshot storage of the intelligent display end.
Of course, based on the concept of the invention, the technical scheme of the invention can be extended to a video conference to realize the function of multi-person real-time screen capture.
The invention also provides a device for supporting the multi-person intercepting and screen-casting playing picture, which comprises a memory, a processor and a program which is stored in the memory and can run on the processor and supports the multi-person intercepting and screen-casting playing picture, wherein when the program supporting the multi-person intercepting and screen-casting playing picture is executed by the processor, each step of the method for supporting the multi-person intercepting and screen-casting playing picture is realized.
The invention also provides a computer readable storage medium, wherein the computer readable storage medium stores a program for supporting a plurality of persons to intercept the screen-shot playing picture, and the program for supporting the plurality of persons to intercept the screen-shot playing picture realizes the steps of the method for supporting the plurality of persons to intercept the screen-shot playing picture when being executed by a processor.
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.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It should be noted that in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (11)

1. A method for supporting multiple persons to intercept a screen-shot playing picture is characterized by comprising the following steps:
the intelligent terminal establishes communication connection with the intelligent display terminal to perform screen projection playing;
establishing communication connection between a preset number of third-party intelligent terminals and the intelligent display terminals in a preset mode;
acquiring screen capture requests of a preset number of third-party intelligent terminals and corresponding timestamps;
acquiring a playing picture corresponding to the playing file of the intelligent display terminal according to the preset number of screen capturing requests of the third-party intelligent terminals and the corresponding time stamps;
and sending the playing pictures corresponding to the playing files of the intelligent display terminal to a preset number of third-party intelligent terminals.
2. The method for supporting multiple people to intercept, screen-cast and play the picture according to claim 1, wherein the preset number of third-party intelligent terminals establish communication connection with the intelligent display terminal in a preset manner, and the method comprises the following steps:
a preset number of third-party intelligent terminals and the intelligent display terminals are connected to the same local area network;
scanning the two-dimensional codes displayed on the intelligent display terminal by a preset number of third-party intelligent terminals for registration, and establishing communication connection with the intelligent display terminal after the registration is completed; wherein each third party terminal has a unique user profile code.
3. The method for supporting multiple people to intercept, project and play the picture as claimed in claim 2, wherein after the step of establishing communication connection between the preset number of third party intelligent terminals and the intelligent display terminal in a preset manner, the method further comprises:
the third-party intelligent terminals in the preset number send the screen capturing requests in the preset number and the corresponding timestamps to the screen capturing interface server; and the preset number of screen capturing requests comprise a preset number of user characteristic codes.
4. The method for supporting multiple people to intercept a screen-shot playing picture as claimed in claim 3, wherein the obtaining of the screen-shot requests of the preset number of third-party intelligent terminals and the corresponding timestamps comprises:
the method comprises the steps that a screen capture interface server obtains a preset number of screen capture requests sent by a preset number of third-party intelligent terminals and corresponding timestamps;
establishing a screen capture request queue according to the timestamp; the screen capture request queue sorts a preset number of screen capture requests according to time sequence;
and sequentially executing the screen capturing requests of the preset number.
5. The method for supporting multiple people to intercept and cast a playing image as claimed in claim 4, wherein when the playing file is a video, the obtaining of the playing image corresponding to the playing file of the intelligent display terminal according to the preset number of screen capturing requests of the third party intelligent terminals and the corresponding timestamps thereof comprises:
the screen capture interface server acquires video addresses from the intelligent display terminal according to the preset number of screen capture requests and the corresponding timestamps;
sending a preset number of screen capturing instructions to an intelligent display terminal according to a preset number of timestamps and the video addresses;
receiving a preset number of image frames corresponding to a preset number of screen capturing requests;
and establishing a mapping relation among the preset number of image frames, the preset number of time stamps and the preset number of user feature codes.
6. The method for supporting multi-user interception of a screen-shot playing picture according to claim 4, wherein when the playing file is a text or a picture, the acquiring the playing picture corresponding to the playing file of the intelligent display terminal according to the preset number of screen-shot requests of the third-party intelligent terminals and the corresponding timestamps thereof comprises:
the screen capture interface server acquires page numbers of texts or pictures from the intelligent display terminal according to the preset number of screen capture requests and the corresponding timestamps;
sending a preset number of screen capturing instructions to an intelligent display terminal according to a preset number of timestamps and the page numbers of the texts or the pictures;
receiving a preset number of image frames corresponding to a preset number of screen capturing requests;
and establishing a mapping relation among the preset number of image frames, the preset number of time stamps and the preset number of user feature codes.
7. The method for supporting multi-user screenshot and screen-casting of a broadcast frame as claimed in claim 5 or 6, wherein said step of receiving a preset number of image frames corresponding to a preset number of screenshot requests is preceded by the steps of:
the intelligent display receives the preset number of screen capturing instructions;
capturing the screen of the playing file according to the preset number of screen capturing instructions;
and storing the screenshots with the preset number into a preset memory.
8. The method for supporting multi-user interception of a screen-projected playing picture according to claim 7, wherein the step of sending the playing picture corresponding to the playing file of the intelligent display terminal to a preset number of third-party intelligent terminals comprises:
the screen capture interface server receives the image query instructions sent by the preset number of third-party intelligent terminals;
and sending the corresponding image frames to the preset number of third-party intelligent terminals according to the image inquiry command.
9. The method for supporting multi-person interception of a screen-cast play screen according to claim 8, further comprising:
and clearing the screenshot stored in the preset memory.
10. An apparatus supporting multi-user interception of a screen-shot playing picture, the apparatus comprising a memory, a processor and a program stored in the memory and running on the processor for supporting multi-user interception of a screen-shot playing picture, wherein when the program is executed by the processor, the program for supporting multi-user interception of a screen-shot playing picture implements the steps of the method for supporting multi-user interception of a screen-shot playing picture according to any one of claims 1 to 9.
11. A computer-readable storage medium, wherein the computer-readable storage medium stores a program for supporting a multi-user interception of a screen-shot presentation, and the program for supporting a multi-user interception of a screen-shot presentation is executed by a processor to implement the steps of supporting a multi-user interception of a screen-shot presentation according to any one of claims 1 to 9.
CN202011532692.6A 2020-12-22 2020-12-22 Method, device and storage medium for supporting multi-person interception of screen-projected playing picture Pending CN112770151A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114900514A (en) * 2022-04-26 2022-08-12 深圳市宝泽科技有限公司 Remote screen capture control method and system
CN115484484A (en) * 2022-08-30 2022-12-16 深圳市思为软件技术有限公司 Screen projection control method and device for intelligent equipment, electronic equipment and storage medium
WO2023093778A1 (en) * 2021-11-25 2023-06-01 华为技术有限公司 Screenshot capture method and related apparatus

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103634683A (en) * 2013-11-29 2014-03-12 乐视致新电子科技（天津）有限公司 Screen capturing method and device for intelligent televisions
CN108063949A (en) * 2017-12-11 2018-05-22 威创集团股份有限公司 Image screenshotss method, apparatus and screenshotss server
CN109327728A (en) * 2018-11-23 2019-02-12 深圳市鹰硕技术有限公司 One kind is one-to-many to shield together methods, devices and systems, with screen equipment and storage medium
CN111240614A (en) * 2018-11-28 2020-06-05 阿里巴巴集团控股有限公司 Screen projection processing method, device and equipment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103634683A (en) * 2013-11-29 2014-03-12 乐视致新电子科技（天津）有限公司 Screen capturing method and device for intelligent televisions
CN108063949A (en) * 2017-12-11 2018-05-22 威创集团股份有限公司 Image screenshotss method, apparatus and screenshotss server
CN109327728A (en) * 2018-11-23 2019-02-12 深圳市鹰硕技术有限公司 One kind is one-to-many to shield together methods, devices and systems, with screen equipment and storage medium
CN111240614A (en) * 2018-11-28 2020-06-05 阿里巴巴集团控股有限公司 Screen projection processing method, device and equipment

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023093778A1 (en) * 2021-11-25 2023-06-01 华为技术有限公司 Screenshot capture method and related apparatus
CN114900514A (en) * 2022-04-26 2022-08-12 深圳市宝泽科技有限公司 Remote screen capture control method and system
CN114900514B (en) * 2022-04-26 2023-12-01 深圳市宝泽科技有限公司 Remote screen capturing control method and system
CN115484484A (en) * 2022-08-30 2022-12-16 深圳市思为软件技术有限公司 Screen projection control method and device for intelligent equipment, electronic equipment and storage medium
CN115484484B (en) * 2022-08-30 2024-05-14 深圳市思为软件技术有限公司 Intelligent device screen-throwing control method and device, electronic device and storage medium

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