CN115695898A - Wireless screen projection method, system, electronic device and storage medium - Google Patents
Wireless screen projection method, system, electronic device and storage medium Download PDFInfo
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Abstract
The invention discloses a wireless screen projection method, a wireless screen projection system, an electronic device and a storage medium, wherein the attribute of a wireless signal code stream is judged by receiving the wireless signal code stream; the wireless signal code stream attribute comprises a single-path wireless signal or a plurality of paths of wireless signals; determining a display template according to the attribute of the wireless signal code stream; the display template comprises a full-screen display mode and a split-screen display mode; and executing image processing on the wireless signal code stream, and executing display and playing according to the display template. Compared with the prior art, the method supports at least two paths of wireless screen projection technologies in the remote video conference process, and improves the remote conference coordination efficiency.
Description
Technical Field
The invention relates to the technical field of wireless screen projection, in particular to a wireless screen projection method, a wireless screen projection system, an electronic device and a storage medium.
Background
At present, most of wireless screen projection equipment in conference rooms on the market only support single-path screen projection content, and in an actual remote video conference field, the remote video conference content is often required to be displayed on one path at the same time, and the local screen projection content (such as PPT) is displayed on the other path to assist the conference, so that the cooperation efficiency is improved.
Referring to patent document CN113194353A, the product in the prior art can only support one-way wireless screen projection, because: (1) Meanwhile, the stability of the system cannot be guaranteed under two paths of wireless screen projection, so that the system is unstable or crashed, and the experience is influenced; (2) Meanwhile, the two paths of wireless screen projection cannot ensure that the audio and video are in a proper delay (latency) range, so that the effect is influenced; (3) Meanwhile, the two paths of wireless projection screens cannot automatically perform image scaling (scaling) and typesetting and are normally displayed on a back-end display device (sink display) device. Therefore, it is highly desirable to implement a technical solution for supporting two wireless screen projection technologies in a remote video conference process, solving one screen projection video conference picture and the other screen projection local data, and improving the collaboration efficiency of the remote conference.
Disclosure of Invention
In view of this, an object of the embodiments of the present invention is to provide a technique for supporting at least two wireless screen shots during a remote video conference, so as to improve the collaboration efficiency of the remote video conference.
The first aspect of the present invention provides a wireless screen projection method, which is applied to a receiving end, and the method includes:
receiving a wireless signal code stream, and judging the attribute of the wireless signal code stream; the wireless signal code stream attribute comprises a single-path wireless signal or a plurality of paths of wireless signals;
determining a display template according to the attribute of the wireless signal code stream; the display template comprises a full-screen display mode and a split-screen display mode;
and executing image processing on the wireless signal code stream, and executing display and playing according to the display template.
Further, the determining a display template according to the attribute of the wireless signal code stream includes:
if the wireless signal code stream is a single-path wireless signal, executing screen initialization processing based on a default display template; the default display mode is full screen display;
and if the wireless signal code stream is a double-path wireless signal, executing screen initialization processing based on a preset split screen display mode.
Further, the method further comprises:
the receiving end sets the display template of the screen as a default display mode forcibly; the default display mode is full screen display; (ii) a
And if the wireless signal code stream is a double-path wireless signal, outputting a selection prompt message, determining a wireless signal to be displayed according to user selection, and executing display and play.
Further, the performing image processing on the wireless signal code stream includes:
if the wireless signal code stream is a single-path wireless signal, performing image scaling processing on the single-path wireless signal stream;
and if the wireless signal code stream is a two-path wireless signal, performing image scaling processing on the two-path wireless signal and performing delay processing on a certain path of wireless signal to realize signal synchronization.
Further, the method further comprises:
if the wireless signal code stream is a multi-path wireless signal with more than two paths, a selection prompt interface is output; the prompt interface comprises a multi-channel wireless signal list and a display template;
and receiving one or two paths of wireless signals and a display template selected by a user, determining the wireless signals to be displayed and the display template according to the user selection, and executing display and play.
In addition, the second aspect of the present invention further provides a wireless screen projection system, which includes a receiving and judging module, a determining module and a display module; wherein:
the receiving and judging module is used for receiving a wireless signal code stream and judging the attribute of the wireless signal code stream; the wireless signal code stream attribute comprises a single-path wireless signal or a double-path wireless signal;
the determining module is used for determining a display template according to the attribute of the wireless signal code stream; the display template comprises a full-screen display mode and a split-screen display mode;
and the display module is used for performing image processing on the wireless signal code stream and performing display and play according to the display template.
Further, the determining module is further configured to:
if the wireless signal code stream is a single-path wireless signal, executing screen initialization processing based on a default display template; the default display mode is full screen display;
and if the wireless signal code stream is a double-path wireless signal, executing screen initialization processing based on a preset split screen display mode.
The system further comprises a prompt module, wherein the prompt module is used for outputting a selection prompt interface if the wireless signal code stream is a multi-path wireless signal with more than two paths; the prompt interface comprises a multi-channel wireless signal list and a display template; receiving one or two paths of wireless signals selected by a user and a display template;
the display module is also used for determining the wireless signals to be displayed and the display template according to the user selection and executing display and play.
Furthermore, the third aspect of the present invention also provides an electronic apparatus, comprising: one or more processors, memory for storing one or more computer programs; the computer program is configured to be executed by the one or more processors, the program comprising instructions for performing the wireless screen projection method steps as described above.
Furthermore, a fourth aspect of the present invention also provides a storage medium storing a computer program; the program is loaded and executed by a processor to implement the wireless screen projection method steps as described above.
In the scheme of the invention, the attribute of the wireless signal code stream is judged by receiving the wireless signal code stream; the wireless signal code stream attribute comprises a single-path wireless signal or a plurality of paths of wireless signals; determining a display template according to the attribute of the wireless signal code stream; the display template comprises a full-screen display mode and a split-screen display mode; and executing image processing on the wireless signal code stream, and executing display and playing according to the display template. Compared with the prior art, the method and the device support at least two paths of wireless screen projection technologies in the remote video conference process, and improve the remote conference coordination efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a wireless screen projection configuration of a prior art current product of the present invention;
fig. 2 is a schematic flow chart of a wireless screen projection method disclosed in embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of performing selective play for a plurality of signal code streams with more than two paths, which is disclosed in embodiment 1 of the present invention;
fig. 4 is a flowchart of an implementation of a single-path code stream and a double-path code stream disclosed in embodiment 1 of the present invention;
fig. 5 is a schematic structural diagram of a wireless screen projection system disclosed in the embodiment of the invention.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the application. One skilled in the relevant art will recognize, however, that the subject matter of the present application can be practiced without one or more of the specific details, or with other methods, components, devices, steps, and so forth. In other instances, well-known methods, devices, implementations, or operations have not been shown or described in detail to avoid obscuring aspects of the application.
The block diagrams shown in the figures are functional entities only and do not necessarily correspond to physically separate entities. I.e. these functional entities may be implemented in the form of software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor means and/or microcontroller means.
The flowcharts shown in the figures are illustrative only and do not necessarily include all of the contents and operations/steps, nor do they necessarily have to be performed in the order described. For example, some operations/steps may be decomposed, and some operations/steps may be combined or partially combined, so that the actual execution sequence may be changed according to the actual situation.
It should be noted that: reference herein to "a plurality" means two or more.
The noun of the present embodiment explains:
latency: delaying;
scaling image Scaling
Sink display a back-end display device, such as a TV, display.
Fig. 1 shows a wireless screen projection form of a current product in the prior art of this embodiment, and the wireless screen projection of the current product in the prior art intelligently supports only 1 channel of screen projection, and two channels of wireless screen projection cannot guarantee that audio and video are in a proper latency range, and at the same time, two channels of wireless screen projection cannot automatically scale and type, and are normally displayed on a sink display device.
The implementation details of the technical solution of the embodiment of the present application are set forth in detail below:
example 1
Referring to fig. 2, fig. 2 is a schematic flowchart illustrating a wireless screen projection method according to an embodiment of the present invention. As shown in fig. 1, a wireless screen projection method according to an embodiment of the present invention is applied to a receiving end, and the method includes:
s1, receiving a wireless signal code stream, and judging the attribute of the wireless signal code stream; the wireless signal code stream attribute comprises a single-path wireless signal or a plurality of paths of wireless signals.
Specifically, in this embodiment, the wireless signal code stream attribute includes a single-channel wireless signal or multiple-channel wireless signals, where the multiple-channel wireless signals may be two-channel wireless signals, or multiple-channel wireless signals exceeding two channels. Therefore, once the code stream of the wireless signal is received, the attribute of the wireless signal code stream needs to be judged, so that the subsequent selection and determination of the display template and the initialization work of the screen are facilitated, and the adaptive display is facilitated.
S2, determining a display template according to the attribute of the wireless signal code stream; the display template comprises a full-screen display mode and a split-screen display mode.
Specifically, in this embodiment, the default mode may be auto mode, that is, if 1 wireless signal is detected, full screen display is automatically performed; if 2 paths are detected, the double-screen split-screen display is automatically carried out; and if the detected path exceeds 2, jumping out to prompt the user, and selecting 1 path or 2 paths by the user to execute display and play.
It should be noted that, in this embodiment, the full screen mode may also be forcibly set, and no matter how many signals are received, that is, only one signal is projected each time, sorting may be performed according to the time of the wireless signal received by the receiving end, and sequential display may be performed, or each time the playing is completed, the user may be prompted to select to play.
Further, in S2, the determining a display template according to the attribute of the wireless signal code stream includes: s21, if the wireless signal code stream is a single-path wireless signal, executing screen initialization processing based on a default display template; the default display mode is full-screen display; and S22, if the wireless signal code stream is a two-way wireless signal, executing screen initialization based on a preset split screen display mode.
Specifically, in this embodiment, for different video signal attributes corresponding to different display templates, before playing is performed, screen initialization needs to be performed according to the display templates, for example, split-screen display is performed, a first area of an initialization screen receives and displays an image of a first signal, and a second area receives and displays an image of a second signal, so that split-screen display is implemented.
And S3, performing image processing on the wireless signal code stream, and performing display and play according to the display template.
Specifically, in this embodiment, in S3, performing image processing on the wireless signal code stream includes: if the wireless signal code stream is a single-path wireless signal, performing image scaling processing on the single-path wireless signal stream; and if the wireless signal code stream is a double-path wireless signal, performing image scaling processing on the double-path wireless signal and performing delay processing on a certain path of wireless signal to realize signal synchronization.
Further, the method further comprises: the receiving end sets the display template of the screen as a default display mode forcibly; the default display mode is full screen display; (ii) a And if the wireless signal code stream is a two-way wireless signal, outputting a selection prompt message, determining a wireless signal to be displayed according to user selection, and executing display and play.
Further, the method further comprises: if the wireless signal code stream is a multi-path wireless signal with more than two paths, a selection prompt interface is output; the prompt interface comprises a multi-channel wireless signal list and a display template; and receiving one or two paths of wireless signals and a display template selected by a user, determining the wireless signals to be displayed and the display template according to the user selection, and executing display and play.
Specifically, in this embodiment, when the wireless signal code stream is a multi-channel wireless signal that exceeds two channels, such as 3 channels or 4 channels, the plane of the receiving end is which output selection prompt interface, and the prompt interface includes a multi-channel wireless signal list and a display template, for example, displayed in an OSD manner; and further, receiving one or two paths of wireless signals selected by the user and a display template, wherein the user can select 1 path of display, and executing display playing of the paired full-screen display template. A user can select 2 channels of display, as shown in fig. 3, 2 channels of videos are directly projected to a TV through audio/video decoding and displayed, so that the display template can be displayed in a split screen mode, and specifically, what kind of content is displayed on a left screen and what kind of content is displayed on a right screen can be set. And further, determining a wireless signal to be displayed and a display template according to user selection, and executing display and play.
To sum up, this embodiment is an implementation flowchart for a single-path code stream and a double-path code stream in this embodiment as shown in fig. 4. In the embodiment, after the receiving end is started, after the receiving end is associated with the sending end, the receiving end (RX) receives a wireless signal code stream and judges whether the wireless signal code stream is a single-path wireless signal code stream or a double-path wireless signal code stream; if the code stream is a single-path wireless signal code stream, full-screen display is executed, and if the code stream is a double-path wireless signal code stream, split-screen display is executed.
Example 2
The embodiment discloses a wireless screen projection system, which comprises a receiving and judging module 10, a determining module 20 and a display module 30; wherein:
the receiving and judging module 10 is configured to receive a wireless signal code stream and judge an attribute of the wireless signal code stream; the wireless signal code stream attribute comprises a single-path wireless signal or a double-path wireless signal;
the determining module 20 is configured to determine a display template according to the attribute of the wireless signal code stream; the display template comprises a full-screen display mode and a split-screen display mode;
the display module 30 is configured to perform image processing on the wireless signal code stream, and perform display and play according to the display template.
Further, the determining module 20 is further configured to:
if the wireless signal code stream is a single-path wireless signal, executing screen initialization processing based on a default display template; the default display mode is full screen display;
and if the wireless signal code stream is a double-path wireless signal, executing screen initialization processing based on a preset split screen display mode.
Further, the system also comprises a setting module 40 and a prompting module 50, wherein the setting module 40 is used for forcibly setting the display template of the screen as a default display mode; the default display mode is full screen display;
the prompt module 50 is configured to output a selection prompt message if the wireless signal code stream is a two-way wireless signal;
and the display module 30 is used for determining the wireless signal to be displayed according to the user selection and executing display and play.
The display module 30 is further configured to perform image scaling on the single-channel wireless signal stream if the wireless signal code stream is a single-channel wireless signal; and if the wireless signal code stream is a double-path wireless signal, performing image scaling processing on the double-path wireless signal and performing delay processing on a certain path of wireless signal to realize signal synchronization.
Further, the prompt module 50 is further configured to output a selection prompt interface if the wireless signal code stream is a multi-path wireless signal that exceeds two paths; the prompt interface comprises a multi-channel wireless signal list and a display template; receiving one or two paths of wireless signals selected by a user and a display template;
the display module 30 is further configured to determine a wireless signal to be displayed and a display template according to user selection, and perform display and play.
Example 3
The embodiment discloses an electronic device, which includes: one or more processors, memory for storing one or more computer programs; the computer program is configured to be executed by the one or more processors, the program comprising instructions for performing the steps of the wireless screen projection method as described above with respect to embodiment 1.
In addition, the embodiment also discloses a storage medium, wherein the storage medium stores a computer program; the program is loaded and executed by a processor to implement the wireless screen projection method steps as described above with respect to embodiment 1.
Those of ordinary skill in the art will appreciate that the various illustrative components and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the components and steps of the various examples have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one type of logical functional division, and other divisions may be realized in practice, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may also be an electric, mechanical or other form of connection.
The elements described as separate parts may or may not be physically separate, and those of ordinary skill in the art will appreciate that the elements and algorithm steps of the examples described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the components and steps of the examples have been described in a functional general sense in the foregoing description for the purpose of clearly illustrating the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the technical solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit may be implemented in the form of hardware, or may also be implemented in the form of a software functional unit.
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 essentially or partially contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a grid 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: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk, and various media capable of storing program codes.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only examples of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A wireless screen projection method is applied to a receiving end, and is characterized by comprising the following steps:
receiving a wireless signal code stream, and judging the attribute of the wireless signal code stream; the wireless signal code stream attribute comprises a single-path wireless signal or a plurality of paths of wireless signals;
determining a display template according to the attribute of the wireless signal code stream; the display template comprises a full-screen display mode and a split-screen display mode;
and executing image processing on the wireless signal code stream, and executing display and play according to the display template.
2. The wireless screen projection method of claim 1, wherein the determining a display template according to the attribute of the wireless signal code stream comprises:
if the wireless signal code stream is a single-path wireless signal, executing screen initialization processing based on a default display template; the default display mode is full screen display;
and if the wireless signal code stream is a double-path wireless signal, executing screen initialization processing based on a preset split screen display mode.
3. The wireless screen projection method of claim 2, further comprising:
the receiving end sets the display template of the screen as a default display mode forcibly; the default display mode is full screen display; (ii) a
And if the wireless signal code stream is a double-path wireless signal, outputting a selection prompt message, determining a wireless signal to be displayed according to user selection, and executing display and play.
4. The wireless screen projection method of claim 3, wherein the performing image processing on the wireless signal code stream comprises:
if the wireless signal code stream is a single-path wireless signal, performing image scaling processing on the single-path wireless signal stream;
and if the wireless signal code stream is a two-path wireless signal, performing image scaling processing on the two-path wireless signal and performing delay processing on a certain path of wireless signal to realize signal synchronization.
5. The wireless screen projection method of claim 4, further comprising:
if the wireless signal code stream is a multi-path wireless signal with more than two paths, outputting a selection prompt interface; the prompt interface comprises a multi-channel wireless signal list and a display template;
and receiving one or two paths of wireless signals and a display template selected by a user, determining the wireless signals to be displayed and the display template according to the user selection, and executing display and play.
6. A wireless screen projection system is characterized by comprising a receiving and judging module, a determining module and a display module; wherein:
the receiving and judging module is used for receiving a wireless signal code stream and judging the attribute of the wireless signal code stream; the wireless signal code stream attribute comprises a single-path wireless signal or a double-path wireless signal;
the determining module is used for determining a display template according to the attribute of the wireless signal code stream; the display template comprises a full-screen display mode and a split-screen display mode;
and the display module is used for executing image processing on the wireless signal code stream and executing display and play according to the display template.
7. The wireless screen projection system of claim 6, wherein the determination module is further configured to:
if the wireless signal code stream is a single-path wireless signal, executing screen initialization processing based on a default display template; the default display mode is full screen display;
and if the wireless signal code stream is a double-path wireless signal, executing screen initialization processing based on a preset split screen display mode.
8. The wireless screen projection system of claim 7, further comprising a prompt module, wherein the prompt module is configured to output a selection prompt interface if the wireless signal code stream is a multi-path wireless signal that exceeds two paths; the prompt interface comprises a multi-channel wireless signal list and a display template; receiving one or two paths of wireless signals selected by a user and a display template;
the display module is also used for determining the wireless signal to be displayed and the display template according to the user selection and executing display and play.
9. An electronic device, the electronic device comprising: one or more processors, memory for storing one or more computer programs; characterized in that the computer program is configured to be executed by the one or more processors, the program comprising instructions for carrying out the steps of the wireless screen projection method according to any one of claims 1-5.
10. A storage medium storing a computer program; the program is loaded and executed by a processor to implement the wireless screen projection method steps of any of claims 1-5.
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| CN202211255616.4A CN115695898A (en) | 2022-10-13 | 2022-10-13 | Wireless screen projection method, system, electronic device and storage medium |
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| CN202211255616.4A CN115695898A (en) | 2022-10-13 | 2022-10-13 | Wireless screen projection method, system, electronic device and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111601120A (en) * | 2020-04-21 | 2020-08-28 | 江苏大学 | Wireless screen transmission display system and display method |
| CN111901832A (en) * | 2020-07-07 | 2020-11-06 | 深圳市博仑帅科技有限公司 | Wireless screen projection module and screen projection method of all-in-one machine |
| CN113590061A (en) * | 2021-07-01 | 2021-11-02 | 深圳康佳电子科技有限公司 | Screen projection control method and device, intelligent terminal and computer readable storage medium |
| CN114302204A (en) * | 2021-05-21 | 2022-04-08 | 海信视像科技股份有限公司 | Split-screen playing method and display device |
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2022
- 2022-10-13 CN CN202211255616.4A patent/CN115695898A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111601120A (en) * | 2020-04-21 | 2020-08-28 | 江苏大学 | Wireless screen transmission display system and display method |
| CN111901832A (en) * | 2020-07-07 | 2020-11-06 | 深圳市博仑帅科技有限公司 | Wireless screen projection module and screen projection method of all-in-one machine |
| CN114302204A (en) * | 2021-05-21 | 2022-04-08 | 海信视像科技股份有限公司 | Split-screen playing method and display device |
| CN113590061A (en) * | 2021-07-01 | 2021-11-02 | 深圳康佳电子科技有限公司 | Screen projection control method and device, intelligent terminal and computer readable storage medium |
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Application publication date: 20230203 |