CN113301128B - Picture screen projection method, device, equipment and storage medium - Google Patents
Picture screen projection method, device, equipment and storage medium Download PDFInfo
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- CN113301128B CN113301128B CN202110499521.6A CN202110499521A CN113301128B CN 113301128 B CN113301128 B CN 113301128B CN 202110499521 A CN202110499521 A CN 202110499521A CN 113301128 B CN113301128 B CN 113301128B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/565—Conversion or adaptation of application format or content
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
- G06K7/1404—Methods for optical code recognition
- G06K7/1408—Methods for optical code recognition the method being specifically adapted for the type of code
- G06K7/1417—2D bar codes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/55—Push-based network services
Abstract
The invention relates to the field of data screen projection, and discloses a picture screen projection method, a device, equipment and a storage medium. The method comprises the following steps: receiving a screen projection push instruction; judging whether screen projection data corresponding to the screen projection pushing instruction is in a picture format or not; and if the image format is the picture format, performing pixel scanning processing on a virtual interface corresponding to the screen projection pushing instruction to obtain a pixel distribution matrix, and transmitting the pixel distribution matrix to a preset receiving end.
Description
Technical Field
The invention relates to the field of data screen projection, in particular to a picture screen projection method, a device, equipment and a storage medium.
Background
The current general mode of picture shooting is to start http service locally, add local pictures into the http service, push url of pictures to a display end during screen shooting, download pictures for decoding and displaying after the display end receives the url of pictures, or directly transmit picture data to the display end for decoding and displaying during protocol interaction, both schemes can cause too long downloading or transmission time due to too large pictures, resulting in too slow picture display, and users frequently switch pictures when browsing pictures again, and users have viewing requirements for picture rotation and zooming, which are obviously difficult to implement, resulting in very poor user experience, thus a screen shooting technology capable of improving picture screen shooting transmission speed is needed.
Disclosure of Invention
The invention mainly aims to solve the technical problems that the picture transmission is too slow and the interaction effect is poor when the picture is projected on the screen.
The first aspect of the invention provides a picture screen projection method, which comprises the following steps:
receiving a screen-casting push instruction;
judging whether screen projection data corresponding to the screen projection pushing instruction is in a picture format or not;
and if the image format is the picture format, performing pixel scanning processing on a virtual interface corresponding to the screen projection pushing instruction to obtain a pixel distribution matrix, and transmitting the pixel distribution matrix to a preset receiving end.
Optionally, in a first implementation manner of the first aspect of the present invention, the determining whether the screen projection data corresponding to the screen projection and pushing instruction is in a picture format includes:
reading the media data type of the screen projection data;
and judging whether the media data type exists in a preset standard format table or not.
Optionally, in a second implementation manner of the first aspect of the present invention, the performing pixel scanning on the virtual interface corresponding to the screen-projection pushing instruction to obtain a pixel distribution matrix includes:
performing image recognition processing on a title bar and a status bar of a virtual interface corresponding to the screen projection pushing instruction to obtain a recognition area;
And scanning and processing the pixels of the non-identification area in the virtual interface to obtain a pixel distribution matrix.
Optionally, in a third implementation manner of the first aspect of the present invention, after determining whether the screen projection data corresponding to the screen projection push instruction is in a picture format, before performing pixel scanning processing on the virtual interface corresponding to the screen projection push instruction to obtain a pixel distribution matrix and transmitting the pixel distribution matrix to a preset receiving end, the method further includes:
performing image recognition on a virtual interface corresponding to the screen projection pushing instruction, and judging whether a two-dimensional code exists in the virtual interface or not;
and if the two-dimension code exists, identifying the two-dimension code to obtain an identification link, receiving a push instruction, and pushing data in the identification link to a preset receiving end.
Optionally, in a fourth implementation manner of the first aspect of the present invention, the transmitting the pixel distribution matrix to a preset receiving end includes:
resolving a first resolution according to the pixel distribution matrix, and reading a second resolution of a preset receiving end;
according to the first resolution and the second resolution, carrying out adaptive adjustment processing on the pixel distribution matrix to obtain an adjusted pixel distribution matrix;
And transmitting the pixel distribution matrix to the receiving end.
Optionally, in a fifth implementation manner of the first aspect of the present invention, after the transmitting the pixel distribution matrix to a preset receiving end, the method further includes:
receiving a rotating and zooming instruction;
carrying out transformation processing on the pixel distribution matrix according to the rotation scaling instruction to obtain a new pixel distribution matrix;
and transmitting the pixel distribution matrix to the receiving end.
Optionally, in a sixth implementation manner of the first aspect of the present invention, after the transmitting the pixel distribution matrix to a preset receiving end, the method further includes:
receiving a watermarking instruction, wherein the watermarking instruction comprises: target watermarking and adding coordinates;
modifying the data of the pixel distribution matrix according to the target watermark and the adding coordinates to obtain a pixel distribution matrix added with the watermark;
and sending the pixel distribution matrix to the receiving end.
A second aspect of the present invention provides a picture projection apparatus, including:
the receiving module is used for receiving a screen projection pushing instruction;
the judging module is used for judging whether the screen projection data corresponding to the screen projection pushing instruction is in a picture format or not;
And the scanning transmission module is used for carrying out pixel scanning processing on a virtual interface corresponding to the screen projection pushing instruction if the image format is the picture format, obtaining a pixel distribution matrix and transmitting the pixel distribution matrix to a preset receiving end.
A third aspect of the present invention provides a picture projection apparatus, including: a memory having instructions stored therein and at least one processor, the memory and the at least one processor interconnected by a line; the at least one processor invokes the instructions in the memory to cause the picture projection device to perform the picture projection method described above.
A fourth aspect of the present invention provides a computer-readable storage medium having stored therein instructions, which, when run on a computer, cause the computer to execute the above-mentioned picture projection method.
In this embodiment, a pixel distribution matrix is obtained according to a pixel distribution condition by collecting pixel point distribution on a display interface. The transmission is carried out according to the pixel distribution matrix, and the data processing process after the transmission is reduced through the data volume of the pixel points, so that the screen projection transmission of the picture can be displayed quickly, and the problem of poor interaction effect and low transmission speed in the screen projection transmission process is solved.
Drawings
FIG. 1 is a diagram of an embodiment of a method for projecting a picture screen according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an embodiment of a picture projection apparatus according to the present invention;
fig. 3 is a schematic diagram of another embodiment of a picture projection apparatus according to an embodiment of the invention;
fig. 4 is a schematic diagram of an embodiment of a picture projection device according to an embodiment of the present invention.
Detailed Description
The embodiment of the invention provides a picture screen projection method, a picture screen projection device, picture screen projection equipment and a storage medium.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that the embodiments described herein may be practiced otherwise than as specifically illustrated or described herein. Furthermore, the terms "comprises," "comprising," or "having," and any variations thereof, are intended to cover non-exclusive inclusions, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
For convenience of understanding, a detailed flow of an embodiment of the present invention is described below, and referring to fig. 1, an embodiment of a method for projecting a picture screen according to an embodiment of the present invention includes:
101. receiving a screen projection push instruction;
in this embodiment, the screen-casting push instruction triggers the screen-casting push instruction on the touch screen interface of the mobile phone. The trigger of the screen-projecting pushing instruction can be a specific screen-sliding gesture or a specific button, and in the screen-projecting pushing process, data needing screen projection is accessed according to the screen-projecting pushing instruction.
102. Judging whether screen projection data corresponding to the screen projection pushing instruction is in a picture format or not;
in this embodiment, the data pushed by the screen projection is of various types, and may be a series of data such as a dynamic picture, a single picture, video data, voice data, and the like, while the invention is mainly applied to data in a still picture format, and therefore, it is necessary to check whether the screen projection data is in a fixed picture format.
The specific implementation mode can comprise the following steps:
1021. reading the media data type of the screen projection data;
1022. it is determined whether the media data type exists in a preset standard format table.
In the step 1021-. And if the matching is not successful in the standard format table, determining that the screen projection data is not in the picture format.
103. And if the image format is the picture format, performing pixel scanning processing on a virtual interface corresponding to the screen projection pushing instruction to obtain a pixel distribution matrix, and transmitting the pixel distribution matrix to a preset receiving end.
In this embodiment, the screen projection data of the screen projection pushing instruction may be actually turned on for pixel scanning, and the virtual machine may be turned on internally to turn on the screen projection data, so as to scan the display pixels of the screen projection data in the virtual machine, thereby obtaining the pixel distribution matrix. And sending the obtained pixel matrix to a receiving end, and generating a pixel distribution matrix by the receiving end according to the pixels. Note that, the pixel distribution matrix is formed by arranging three pieces of data with the data size of three fluxes of RBG as a matrix, that is, data with each element being similar (0, 55, 154), and sequentially includes the data sizes of R flux, B flux, and G flux.
Before pixel scanning processing is performed on a virtual interface corresponding to the screen projection pushing instruction to obtain a pixel distribution matrix and the pixel distribution matrix is transmitted to a preset receiving end, the method further comprises the following steps:
1031. carrying out image recognition on a virtual interface corresponding to the screen projection pushing instruction, and judging whether a two-dimensional code exists in the virtual interface or not;
1032. and if the two-dimension code exists, the two-dimension code is identified to obtain an identification link, a push instruction is received, and data in the identification link is pushed to a preset receiving end.
1031-1032 embodiment, two-dimensional code identification may be performed to determine whether the problem of the two-dimensional code exists, and if the problem of the two-dimensional code exists, a data link corresponding to the two-dimensional code that the user wants to screen exists. At the moment, a data link corresponding to the two-dimensional code needs to be popped up, and if the user confirms that data in the link needs to be pushed, the data in the data link is pushed and projected to a receiving end. And if the two-dimensional code does not exist, performing the step 103 of data screen projection processing.
Pixel scanning processing is carried out on a virtual interface corresponding to the screen projection pushing instruction to obtain a pixel distribution matrix, and the following steps can be specifically adopted:
1033. performing image recognition processing on a title bar and a status bar of a virtual interface corresponding to the screen projection pushing instruction to obtain a recognition area;
1034. and scanning the pixels of the non-identification area in the virtual interface to obtain a pixel distribution matrix.
In the 1033-1034 embodiment, the virtual interface may have a title bar and a status bar, and whether the title bar and the status bar exist or not may be identified by using a neural network. And cutting the identification area into a virtual interface, carrying out pixel scanning on the virtual interface of the non-identification area, and generating a pixel distribution matrix according to a pixel scanning result.
The pixel distribution matrix is transmitted to a preset receiving end, and the following steps can be performed:
1035. resolving a first resolution according to the pixel distribution matrix, and reading a second resolution of a preset receiving end;
1036. according to the first resolution and the second resolution, carrying out adaptive adjustment processing on the pixel distribution matrix to obtain an adjusted pixel distribution matrix;
1037. the pixel distribution matrix is transmitted to the receiving end.
In 1035-. In the resolution conversion process, the pixels can be periodically and regularly deleted at intervals of several elements to complete the processing of the pixel distribution matrix, and then the adjusted pixel distribution matrix is sent to a receiving end.
After transmitting the pixel distribution matrix to the preset receiving end, the method further comprises:
1038. receiving a watermarking instruction, wherein the watermarking instruction comprises the following steps: target watermarking and adding coordinates;
1039. Modifying the data of the pixel distribution matrix according to the target watermark and the adding coordinates to obtain the pixel distribution matrix added with the watermark;
10310. and sending the pixel distribution matrix to a receiving end.
In the 1038-10310 embodiment, when adding the watermark, the pixels of the watermark have regular distribution, the coordinates of the central pixel are used as the adding coordinates, and when the rotation scaling data is given, the pixel points are processed according to the matrix rule. And sending the pixel point distribution data to be added to a receiving end, and adjusting the original pixel matrix by the receiving end according to the change of the pixel points to realize the addition of the watermark.
After transmitting the pixel distribution matrix to the preset receiving end, the method further comprises:
10311. receiving a rotating and zooming instruction;
10312. carrying out transformation processing on the pixel distribution matrix according to the rotation scaling instruction to obtain a new pixel distribution matrix;
10313. the pixel distribution matrix is transmitted to the receiving end.
In the 10311-10313 process, the rotation scaling instruction is performed on the entire pixel distribution matrix, the transformation mode is realized by multiplication among the matrices, a new pixel distribution matrix can be obtained through the rotation scaling processing of the pixel distribution matrix, and the new pixel distribution matrix is sent to the receiving end, so that the display data is updated.
In this embodiment, a pixel distribution matrix is obtained according to a pixel distribution condition by collecting pixel point distribution on a display interface. The transmission is carried out according to the pixel distribution matrix, and the data processing process after the transmission is reduced through the data volume of the pixel points, so that the screen projection transmission of the picture can be displayed quickly, and the problem of poor interaction effect and low transmission speed in the screen projection transmission process is solved.
The above description of the method for screen projection in the embodiment of the present invention is described, and referring to fig. 2, a screen projection apparatus in the embodiment of the present invention is described below, where an embodiment of the screen projection apparatus in the embodiment of the present invention includes:
the receiving module 201 is configured to receive a screen projection push instruction;
the judging module 202 is configured to judge whether screen projection data corresponding to the screen projection pushing instruction is in a picture format;
and the scanning transmission module 203 is configured to, if the image format is the picture format, perform pixel scanning processing on the virtual interface corresponding to the screen-projection pushing instruction to obtain a pixel distribution matrix, and transmit the pixel distribution matrix to a preset receiving end.
In this embodiment, a pixel distribution matrix is obtained according to a pixel distribution condition by collecting pixel point distribution on a display interface. The transmission is carried out according to the pixel distribution matrix, and the data processing process after the transmission is reduced through the data volume of the pixel points, so that the screen projection transmission of the picture can be displayed quickly, and the problem of poor interaction effect and low transmission speed in the screen projection transmission process is solved.
Referring to fig. 3, another embodiment of the picture projection apparatus according to the embodiment of the present invention includes:
a receiving module 201, configured to receive a screen-casting push instruction;
the judging module 202 is configured to judge whether screen projection data corresponding to the screen projection pushing instruction is in a picture format;
and the scanning transmission module 203 is configured to, if the image format is the picture format, perform pixel scanning processing on the virtual interface corresponding to the screen-projection pushing instruction to obtain a pixel distribution matrix, and transmit the pixel distribution matrix to a preset receiving end.
The determining module 202 is specifically configured to:
reading the media data type of the screen projection data;
and judging whether the media data type exists in a preset standard format table or not.
The scan transmission module 203 is specifically configured to:
performing image recognition processing on a title bar and a status bar of a virtual interface corresponding to the screen projection pushing instruction to obtain a recognition area;
and scanning the pixels of the non-identification area in the virtual interface to obtain a pixel distribution matrix.
The picture screen projection device further comprises a two-dimensional code identification module 204, wherein the two-dimensional code identification module 204 is specifically configured to:
performing image recognition on a virtual interface corresponding to the screen projection pushing instruction, and judging whether a two-dimensional code exists in the virtual interface or not;
And if the two-dimension code exists, identifying the two-dimension code to obtain an identification link, receiving a push instruction, and pushing data in the identification link to a preset receiving end.
The scanning transmission module 203 is specifically configured to:
resolving a first resolution according to the pixel distribution matrix, and reading a second resolution of a preset receiving end;
according to the first resolution and the second resolution, carrying out adaptive adjustment processing on the pixel distribution matrix to obtain an adjusted pixel distribution matrix;
and transmitting the pixel distribution matrix to the receiving end.
The picture screen projection apparatus further includes a rotation scaling module 205, where the rotation scaling module 205 is specifically configured to:
receiving a rotating and zooming instruction;
carrying out transformation processing on the pixel distribution matrix according to the rotation scaling instruction to obtain a new pixel distribution matrix;
and transmitting the pixel distribution matrix to the receiving end.
The image projection device further includes a watermarking module 206, and the watermarking module 206 is specifically configured to:
receiving a watermarking instruction, wherein the watermarking instruction comprises: target watermarking and adding coordinates;
Modifying the data of the pixel distribution matrix according to the target watermark and the adding coordinates to obtain a pixel distribution matrix added with the watermark;
and sending the pixel distribution matrix to the receiving end.
In this embodiment, a pixel distribution matrix is obtained according to a pixel distribution condition by collecting pixel point distribution on a display interface. The transmission is carried out according to the pixel distribution matrix, and the data processing process after the transmission is reduced through the data volume of the pixel points, so that the screen projection transmission of the picture can be displayed quickly, and the problem of poor interaction effect and low transmission speed in the screen projection transmission process is solved.
The picture projection device in the embodiment of the present invention is described in detail in the above fig. 2 and fig. 3 from the perspective of the modular functional entity, and the picture projection apparatus in the embodiment of the present invention is described in detail in the following from the perspective of hardware processing.
Fig. 4 is a schematic structural diagram of a picture projection apparatus 400 according to an embodiment of the present invention, where the picture projection apparatus 400 may have a relatively large difference due to different configurations or performances, and may include one or more processors (CPUs) 410 (e.g., one or more processors) and a memory 420, and one or more storage media 430 (e.g., one or more mass storage devices) storing an application 433 or data 432. Memory 420 and storage medium 430 may be, among other things, transient or persistent storage. The program stored in the storage medium 430 may include one or more modules (not shown), each of which may include a series of instruction operations for the picture-projecting device 400. Further, the processor 410 may be configured to communicate with the storage medium 430, and execute a series of instruction operations in the storage medium 430 on the picture-projecting device 400.
Picture-based projection device 400 may also include one or more power supplies 440, one or more wired or wireless network interfaces 450, one or more input-output interfaces 460, and/or one or more operating systems 431, such as Windows Server, Mac OS X, Unix, Linux, FreeBSD, and so forth. It will be understood by those skilled in the art that the configuration of the picture-projection device shown in fig. 4 does not constitute a limitation of the picture-based projection device, and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components may be used.
The present invention also provides a computer-readable storage medium, which may be a non-volatile computer-readable storage medium, and may also be a volatile computer-readable storage medium, having stored therein instructions, which, when executed on a computer, cause the computer to execute the steps of the picture projection method.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses, and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. A picture screen projection method is characterized by comprising the following steps:
receiving a screen projection push instruction;
judging whether screen projection data corresponding to the screen projection pushing instruction is in a picture format or not;
if the image format is the picture format, performing pixel scanning processing on a virtual interface corresponding to the screen projection pushing instruction to obtain a pixel distribution matrix, and transmitting the pixel distribution matrix to a preset receiving end;
wherein, the judging whether the screen projection data corresponding to the screen projection pushing instruction is in a picture format comprises:
reading the media data type of the screen projection data;
judging whether the media data type exists in a preset standard format table or not;
wherein, the pixel scanning processing is performed on the virtual interface corresponding to the screen projection pushing instruction to obtain a pixel distribution matrix includes:
performing image recognition processing on a title bar and a status bar of a virtual interface corresponding to the screen projection pushing instruction to obtain a recognition area;
scanning pixels of a non-identification area in the virtual interface to obtain a pixel distribution matrix;
before the pixel scanning processing is performed on the virtual interface corresponding to the screen projection pushing instruction to obtain a pixel distribution matrix and the pixel distribution matrix is transmitted to a preset receiving end, the method further includes:
Performing image recognition on a virtual interface corresponding to the screen projection pushing instruction, and judging whether a two-dimensional code exists in the virtual interface or not;
and if the two-dimension code exists, identifying the two-dimension code to obtain an identification link, receiving a push instruction, and pushing data in the identification link to a preset receiving end.
2. The method of claim 1, wherein the transmitting the pixel distribution matrix to a preset receiving end comprises:
resolving a first resolution according to the pixel distribution matrix, and reading a second resolution of a preset receiving end;
according to the first resolution and the second resolution, carrying out adaptive adjustment processing on the pixel distribution matrix to obtain an adjusted pixel distribution matrix;
and transmitting the pixel distribution matrix to the receiving end.
3. The picture projection method according to claim 1, further comprising, after the transmitting the pixel distribution matrix to a preset receiving end:
receiving a rotating and zooming instruction;
carrying out transformation processing on the pixel distribution matrix according to the rotation scaling instruction to obtain a new pixel distribution matrix;
and transmitting the pixel distribution matrix to the receiving end.
4. The picture projection method according to claim 1, further comprising, after the transmitting the pixel distribution matrix to a preset receiving end:
receiving a watermarking instruction, wherein the watermarking instruction comprises: target watermarking and adding coordinates;
modifying the data of the pixel distribution matrix according to the target watermark and the adding coordinates to obtain a pixel distribution matrix added with the watermark;
and sending the pixel distribution matrix to the receiving end.
5. A picture projection device, comprising:
the receiving module is used for receiving a screen projection pushing instruction;
the judging module is used for judging whether the screen projection data corresponding to the screen projection pushing instruction is in a picture format or not;
the scanning transmission module is used for carrying out pixel scanning processing on a virtual interface corresponding to the screen projection pushing instruction if the image format is the picture format to obtain a pixel distribution matrix and transmitting the pixel distribution matrix to a preset receiving end;
wherein, the judging module is specifically configured to:
reading the media data type of the screen projection data;
judging whether the media data type exists in a preset standard format table or not;
Wherein the scanning transmission module is specifically configured to:
performing image recognition processing on a title bar and a status bar of a virtual interface corresponding to the screen projection pushing instruction to obtain a recognition area;
scanning pixels of a non-identification area in the virtual interface to obtain a pixel distribution matrix;
the picture screen projection device further comprises a two-dimensional code identification module, and the two-dimensional code identification module is specifically used for:
performing image recognition on a virtual interface corresponding to the screen projection pushing instruction, and judging whether a two-dimensional code exists in the virtual interface or not;
and if the two-dimension code exists, identifying the two-dimension code to obtain an identification link, receiving a push instruction, and pushing data in the identification link to a preset receiving end.
6. A picture projection device, comprising: a memory having instructions stored therein and at least one processor, the memory and the at least one processor interconnected by a line;
the at least one processor invokes the instructions in the memory to cause the picture projection device to perform the picture projection method of any one of claims 1-4.
7. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, implements the picture projection method according to any one of claims 1 to 4.
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| CN107608647A (en) * | 2017-09-12 | 2018-01-19 | 威创集团股份有限公司 | One kind throws screen method, system, server and computer-readable recording medium |
| CN111580765A (en) * | 2020-04-27 | 2020-08-25 | Oppo广东移动通信有限公司 | Screen projection method, screen projection device, storage medium, screen projection equipment and screen projection equipment |
| CN112612433A (en) * | 2020-12-09 | 2021-04-06 | 深圳乐播科技有限公司 | Screen projection method, device and system for vertical screen video |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112181345B (en) * | 2020-10-19 | 2023-01-31 | 深圳乐播科技有限公司 | Synchronous screen projection method, device, equipment and storage medium for teaching scene |
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| CN107608647A (en) * | 2017-09-12 | 2018-01-19 | 威创集团股份有限公司 | One kind throws screen method, system, server and computer-readable recording medium |
| CN111580765A (en) * | 2020-04-27 | 2020-08-25 | Oppo广东移动通信有限公司 | Screen projection method, screen projection device, storage medium, screen projection equipment and screen projection equipment |
| CN112612433A (en) * | 2020-12-09 | 2021-04-06 | 深圳乐播科技有限公司 | Screen projection method, device and system for vertical screen video |
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