CN112954421A - Screen projection method, device, system and equipment - Google Patents
Screen projection method, device, system and equipment Download PDFInfo
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- CN112954421A CN112954421A CN202110116335.XA CN202110116335A CN112954421A CN 112954421 A CN112954421 A CN 112954421A CN 202110116335 A CN202110116335 A CN 202110116335A CN 112954421 A CN112954421 A CN 112954421A
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- 238000000034 method Methods 0.000 title claims abstract description 44
- 230000000694 effects Effects 0.000 description 6
- 230000001960 triggered effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/41407—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop
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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
- H04N21/436—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
- H04N21/43632—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wired protocol, e.g. IEEE 1394
- H04N21/43635—HDMI
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Abstract
The disclosure provides a screen projection method, a screen projection device, a screen projection system and screen projection equipment, relates to the technical field of computer images, and can solve the problem that in the prior art, the screen projection is limited to one screen projection version mode. The specific technical scheme is as follows: firstly, acquiring a target audio and video; then, information of at least one receiver and at least one display terminal connected with the at least one receiver is obtained; and finally, the target audio and video are sent to at least one receiver, so that the at least one receiver sends the target audio and video to a display terminal connected with the at least one receiver for display. The present disclosure is for projecting a screen.
Description
Technical Field
The present disclosure relates to the field of computer image technologies, and in particular, to a screen projection method, apparatus, system, and device.
Background
Projection products in the existing audio-video transmission system are mainly applied to meeting rooms, training rooms and workshop scenes, and can realize transmission of screen pictures and audio and video. With the popularization of intelligent equipment and the rapid development of communication technology, higher requirements are put forward on a screen projection mode between a computer source end and a large screen.
However, the existing screen projection equipment is limited to one screen projection version mode, other modes cannot be replaced, the use is not flexible enough, and the user experience is poor.
Disclosure of Invention
The embodiment of the disclosure provides a screen projection method, device, system and equipment, which can solve the problem that in the prior art, only one screen projection version mode is limited during screen projection. The technical scheme is as follows:
according to a first aspect of the embodiments of the present disclosure, there is provided a screen projection method, including:
acquiring a target audio and video;
acquiring information of at least one receiver and at least one display terminal connected with the at least one receiver;
and sending the target audio and video to the at least one receiver so that the at least one receiver sends the target audio and video to a display terminal connected with the at least one receiver for display.
The screen projection method provided by the embodiment of the disclosure comprises the steps of firstly obtaining a target audio and video; then, information of at least one receiver and at least one display terminal connected with the at least one receiver is obtained; and finally, the target audio and video are sent to at least one receiver, so that the at least one receiver sends the target audio and video to a display terminal connected with the at least one receiver for display. The screen projection method provided by the disclosure can display the target audio and video according to the specific condition of the field display terminal equipment, and the display effect is flexible.
In one embodiment, obtaining the target audio and video comprises:
collecting the target audio and video;
encoding the target audio and video to obtain encoded data;
correspondingly, the sending the target audio and video to the at least one receiver so that the at least one receiver sends the target audio and video to a display terminal connected with the at least one receiver for display includes:
and sending the coded data to the at least one receiver so that the at least one receiver decodes the coded data and then sends the decoded coded data to a display terminal connected with the at least one receiver for display.
According to the method, the target audio and video are coded to obtain coded data, and then the coded data are sent to the receiver to be decoded.
In one embodiment, the obtaining information of at least one receiver and at least one display terminal connected with the at least one receiver comprises:
transmitting a signal request to the at least one receiver;
and receiving a feedback signal sent by the at least one receiver, wherein the feedback signal comprises information of at least one display terminal connected with the at least one receiver.
By the method, the transmitting terminal can acquire the information of the receiver and the display terminal, and the target audio and video can be displayed conveniently by subsequent transmission.
In one embodiment, before the obtaining information of at least one receiver and at least one display terminal connected to the at least one receiver, the method further comprises:
receiving a single display control instruction of a user;
correspondingly, the acquiring information of at least one receiver and at least one display terminal connected with the at least one receiver comprises:
and acquiring information of a target receiver and a target display terminal connected with the target receiver.
Through the method, the display of a single display terminal can be realized under the condition that a plurality of receivers and display terminals are arranged, a user can conveniently select different screen projection modes, and the user experience is good.
According to a second aspect of the embodiments of the present disclosure, there is provided a screen projection apparatus including: the device comprises a first acquisition module, a second acquisition module and a sending module;
the first acquisition module is used for acquiring a target audio and video;
the second acquisition module is used for acquiring information of at least one receiver and at least one display terminal connected with the at least one receiver;
the sending module is used for sending the target audio and video to the at least one receiver so that the at least one receiver sends the target audio and video to a display terminal connected with the at least one receiver for display.
The device provided by the embodiment of the disclosure comprises a first obtaining module, a second obtaining module and a sending module; a first acquisition module acquires a target audio and video; the second acquisition module acquires information of at least one receiver and at least one display terminal connected with the at least one receiver; the sending module sends the target audio and video to at least one receiver so that the at least one receiver sends the target audio and video to a display terminal connected with the at least one receiver for display. The screen projecting device provided by the disclosure can display target audio and video according to the specific condition of the field display terminal equipment, and is flexible in display effect.
In one embodiment, the first acquisition module comprises an acquisition unit and an encoding unit;
the acquisition unit is used for acquiring the target audio and video;
and the coding unit is used for coding the target audio and video to obtain coded data.
According to the device, the target audio and video are coded to obtain coded data, and then the coded data are sent to the receiver to be decoded.
In one embodiment, the second obtaining module comprises a sending request unit and a receiving unit;
the sending request unit is used for sending a signal request to the at least one receiver;
the signal receiving unit is configured to receive a feedback signal sent by the at least one receiver, where the feedback signal includes information of at least one display terminal connected to the at least one receiver.
According to the device, the transmitting terminal can acquire the information of the receiver and the display terminal, and the display of the target audio and video is facilitated by the transmitting terminal.
In one embodiment, the apparatus further comprises a receiving module for receiving a single display control instruction of a user.
Through the arrangement, the display of a single display terminal can be realized under the condition that a plurality of receivers and display terminals are arranged, a user can select different screen projection modes conveniently, and the user experience is good.
According to a third aspect of the embodiments of the present disclosure, there is provided a screen projection system, including: the system comprises a transmitting terminal, at least one receiver and at least one display terminal;
the transmitting terminal is used for acquiring a target audio and video, acquiring information of at least one receiver and at least one display terminal connected with the at least one receiver, and transmitting the target audio and video to the at least one receiver;
the at least one receiver is used for sending the received target audio and video to at least one display terminal connected with the at least one receiver;
and the at least one display terminal is used for displaying the target audio and video.
The system provided by the embodiment of the disclosure comprises a transmitting terminal, at least one receiver and at least one display terminal; the method comprises the steps that a transmitting terminal obtains a target audio and video, obtains information of at least one receiver and at least one display terminal connected with the at least one receiver, and sends the target audio and video to the at least one receiver; the at least one receiver sends the received target audio and video to at least one display terminal connected with the at least one receiver; and at least one display terminal displays the target audio and video. The screen projection system provided by the disclosure can display the target audio and video according to the specific condition of the field display terminal equipment, and the display effect is flexible.
According to a fourth aspect of the embodiments of the present disclosure, there is provided a screen projection apparatus, which includes a processor and a memory, where at least one computer instruction is stored in the memory, and the instruction is loaded and executed by the processor to implement the steps executed in any one of the screen projection methods described above.
According to a fifth aspect of the embodiments of the present disclosure, there is provided a computer-readable storage medium, having at least one computer instruction stored therein, the instruction being loaded and executed by a processor to implement the steps performed in the screen projection method of any one of the above.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a flowchart of a screen projection method provided by an embodiment of the present disclosure;
fig. 2 is a flowchart of a screen projection method provided by an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a screen projection device provided in an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a screen projection device provided by an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of a screen projection device provided by an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of a screen projection device provided by an embodiment of the present disclosure;
fig. 7 is a schematic structural diagram of a screen projection system provided by an embodiment of the present disclosure.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The screen projection system in the present disclosure includes a transmitting terminal, a receiver, and a display terminal. The transmitting terminal is connected with at least one receiver, and each receiver is connected with at least one display device. Based on this, the disclosed embodiment provides a screen projection method, as shown in fig. 1, the screen projection method includes the following steps:
101, acquiring a target audio and video;
specifically, the transmitting terminal acquires audio and video of the source terminal through the HDMI signal.
In one embodiment, obtaining the target audio and video comprises:
collecting a target audio and video;
and coding the target audio and video to obtain coded data.
According to the method, the target audio and video are coded to obtain coded data, and then the coded data are sent to the receiver.
102, acquiring information of at least one receiver and at least one display terminal connected with the at least one receiver;
in one embodiment, the acquiring information of the at least one receiver and the at least one display terminal connected to the at least one receiver includes:
transmitting a signal request to at least one receiver;
and receiving a feedback signal sent by at least one receiver, wherein the feedback signal comprises information of at least one display terminal connected with the at least one receiver.
Specifically, the transmitting terminal sends a signal request to the receiver through a wireless signal, and after the receiver receives the instruction request of the transmitting terminal, the physical address of the display terminal connected with the receiver is returned to the transmitting terminal.
In this embodiment, after the screen projection system is turned on, the transmitting terminal performs automatic sensing detection, if a receiver signal is detected, the transmitting terminal automatically switches to a corresponding version according to a response signal of the receiver, and when the receiver is externally connected with an HDMI cable display signal, a physical address of a display terminal signal is transmitted back to the transmitting terminal, at this time, the transmitting terminal enters a one-to-one screen projection version, and the corresponding receiver also automatically enters a one-to-one screen projection version.
When the receiver is externally connected with a plurality of HDMI line display signals, the HDMI line display signals are transmitted back to the physical addresses of a plurality of display terminal signals of the transmitting terminal, at the moment, the transmitting terminal enters a one-to-many version, and the corresponding receiver also enters the one-to-many version.
By the method, the transmitting terminal can acquire the information of the connected receiver and the display terminal, and the target audio and video can be displayed conveniently in a subsequent sending mode.
In one embodiment, before obtaining information of at least one receiver and at least one display terminal connected to the at least one receiver, the method further comprises:
receiving a single display control instruction of a user;
correspondingly, the acquiring information of the at least one receiver and the at least one display terminal connected with the at least one receiver comprises:
and acquiring information of the target receiver and a target display terminal connected with the target receiver.
In this embodiment, for example, when there are a plurality of display terminals, the one-to-one screen projection key of the transmitting terminal is triggered, the transmitting terminal is automatically switched to the one-to-one version, that is, the display is performed through one display terminal, and similarly, when the one-to-one receiving key of the receiver is triggered, the receiver is automatically switched to the one-to-one version, and at this time, the one-to-one screen projection of the transmitting terminal and the display terminal can be realized.
Through the method, the display of a single display terminal can be realized under the condition that a plurality of receivers and display terminals are arranged, a user can conveniently select different screen projection modes, and the user experience is good.
In one embodiment, after a screen projecting system is started, a one-to-many screen projecting key of a transmitting terminal is triggered, the transmitting terminal can be automatically switched to a one-to-many version and sends a signal to a receiver, the receiver responds to the transmitting terminal after receiving the signal sent by the transmitting terminal and can be switched to the one-to-many version, after the transmitting terminal is inserted into a computer, information such as audio and video pictures of the computer is collected and coded through a collection chip, the coded information is transmitted to the receiver through a wireless signal, the received coded information is decoded by the receiver, the decoded information is transmitted to each high-definition port through a high-definition signal separator and is output, the decoded information is transmitted to each external display terminal through an HDMI (high-definition multimedia interface) signal, and finally, the information such as the audio and video.
And 103, transmitting the target audio and video to at least one receiver so that the at least one receiver transmits the target audio and video to a display terminal connected with the at least one receiver for display.
In practical use, the step of sending the target audio and video to at least one receiver so that the at least one receiver sends the target audio and video to a display terminal connected with the at least one receiver for display comprises the following steps:
and sending the coded data to at least one receiver so that the at least one receiver decodes the coded data and then sends the decoded coded data to a display terminal connected with the at least one receiver for display.
Specifically, the receiver transmits the decoded information to the display terminal through the HDMI signal, and the audio and video is played through the display terminal.
The screen projection method provided by the embodiment of the disclosure comprises the steps of firstly obtaining a target audio and video; then, information of at least one receiver and at least one display terminal connected with the at least one receiver is obtained; and finally, the target audio and video are sent to at least one receiver, so that the at least one receiver sends the target audio and video to a display terminal connected with the at least one receiver for display. The screen projection method provided by the disclosure can display the target audio and video according to the specific condition of the field display terminal equipment, and the display effect is flexible.
Based on the screen projection method provided by the embodiment corresponding to fig. 1, another embodiment of the present disclosure provides a screen projection method, as shown in fig. 2.
and 203, after receiving the audio and video coding information sent by the transmitter, the receiver decodes the audio and video coding information, transmits the decoded information to the display terminal through the HDMI signal, and plays the audio and video through the display terminal.
Specifically, after the device is normally started, the following four modes are adopted:
(1) when a sending key 1 of the transmitter is triggered (pressed), the transmitter can be automatically switched to a one-to-one version, and similarly, when a receiving key 1 of the receiver is triggered (pressed), the receiver can be automatically switched to a one-to-one version, so that the one-to-one screen projection of the transmitter and the receiver can be realized.
(2) When a sending key 2 is triggered (pressed), the transmitter can be automatically switched to a one-to-many version, a signal is sent to the receiver, the receiver responds to the transmitter after receiving the signal sent by the transmitter, the one-to-many version can be switched to, after the transmitter is inserted into a computer, information such as audio and video pictures of the computer is collected and coded through a collection chip, the coded information is transmitted to the receiver through a wireless signal, the received coded information is decoded by the receiver, the decoded information is transmitted to each high-definition port through a high-definition signal separator and is output, the decoded information is transmitted to each external display terminal through an HDMI (high-definition multimedia interface) line signal, and finally, each display terminal displays the information such as the audio and video pictures.
(3) After the device is started for 10 seconds, if no artificial trigger button is available, the transmitter automatically senses and detects, if a receiver signal is detected, the corresponding version is automatically switched to according to a response signal of the receiver, when the receiver is externally connected with an HDMI line display signal, a physical address of the display signal is transmitted back to the transmitter, at the moment, the transmitter enters the one-to-one version, and the corresponding receiver also automatically enters the one-to-one version.
(4) After the equipment is started for 10 seconds, if no artificial trigger button is provided, the transmitter automatically senses and detects, when the receiver is externally connected with a plurality of external HDMI line display signals which are not more than 8 external HDMI line display signals, a plurality of physical addresses which are not more than 8 display signals are transmitted back to the transmitter, at the moment, the transmitter enters a one-to-many version, and the corresponding receiver also enters a one-to-many version.
The screen projection method provided by the embodiment of the disclosure comprises the steps of firstly obtaining a target audio and video; then, information of at least one receiver and at least one display terminal connected with the at least one receiver is obtained; and finally, the target audio and video are sent to at least one receiver, so that the at least one receiver sends the target audio and video to a display terminal connected with the at least one receiver for display. The screen projection method provided by the disclosure can display the target audio and video according to the specific condition of the field display terminal equipment, and the display effect is flexible.
Based on the screen projection method described in the embodiment corresponding to fig. 1 and fig. 2, the following is an embodiment of the apparatus of the present disclosure, which can be used to execute an embodiment of the method of the present disclosure.
The embodiment of the present disclosure provides a screen projection apparatus, as shown in fig. 3, the apparatus 30 includes a first obtaining module 301, a second obtaining module 302, and a sending module 303;
the first obtaining module 301 is configured to obtain a target audio/video;
a second obtaining module 302, configured to obtain information of at least one receiver and at least one display terminal connected to the at least one receiver;
the sending module 303 is configured to send the target audio and video to at least one receiver, so that the at least one receiver sends the target audio and video to a display terminal connected to the at least one receiver for display.
The apparatus provided by the embodiment of the present disclosure includes a first obtaining module 301, a second obtaining module 302, and a sending module 303; the first obtaining module 301 obtains a target audio and video; the second obtaining module 302 obtains information of at least one receiver and at least one display terminal connected with the at least one receiver; the sending module 303 sends the target audio and video to at least one receiver, so that the at least one receiver sends the target audio and video to a display terminal connected to the at least one receiver for display. The screen projecting device provided by the disclosure can display target audio and video according to the specific condition of the field display terminal equipment, and is flexible in display effect.
In one embodiment, as shown in fig. 4, the first obtaining module 301 includes an acquiring unit 3011 and an encoding unit 3012;
the acquisition unit 3011 is configured to acquire a target audio and video;
and the encoding unit 3012 is configured to encode the target audio and video to obtain encoded data.
According to the device, the target audio and video are coded to obtain coded data, and then the coded data are sent to the receiver to be decoded.
In one embodiment, as shown in fig. 5, the second obtaining module 302 includes a sending request unit 3021 and a receiving unit 3022;
a transmission request unit 3021 for transmitting a signal request to at least one receiver;
a receiving signal unit 3022, configured to receive a feedback signal sent by the at least one receiver, where the feedback signal includes information of the at least one display terminal connected to the at least one receiver.
According to the device, the transmitting terminal can acquire the information of the receiver and the display terminal, and the display of the target audio and video is facilitated by the transmitting terminal.
In one embodiment, as shown in fig. 6, the apparatus 30 further includes a receiving module 304 for receiving a single display control command from a user.
Through the arrangement, the display of a single display terminal can be realized under the condition that a plurality of receivers and display terminals are arranged, a user can select different screen projection modes conveniently, and the user experience is good.
Based on the screen projection method described in the embodiment corresponding to fig. 1 and fig. 2, another embodiment of the present disclosure further provides a screen projection system, as shown in fig. 7, the system 40 includes a transmitting terminal 401, at least one receiver 402, and at least one display terminal 403;
the transmitting terminal 401 is configured to acquire a target audio and video, acquire information of at least one receiver 402 and at least one display terminal 403 connected to the at least one receiver 402, and send the target audio and video to the at least one receiver 402;
the at least one receiver 402 is used for sending the received target audio and video to at least one display terminal 403 connected with the at least one receiver 402;
and at least one display terminal 403 for displaying the target audio/video.
Based on the screen projection method described in the embodiment corresponding to fig. 1 and fig. 2, another embodiment of the present disclosure further provides a screen projection device, where the screen projection device includes a processor and a memory, and the memory stores at least one computer instruction, and the instruction is loaded and executed by the processor to implement the screen projection method described in the embodiment corresponding to fig. 1 and fig. 2.
Based on the screen projection method described in the embodiment corresponding to fig. 1 and fig. 2, an embodiment of the present disclosure further provides a computer-readable storage medium, for example, the non-transitory computer-readable storage medium may be a Read Only Memory (ROM), a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like. The storage medium stores at least one computer instruction for executing the screen projection method described in the embodiment corresponding to fig. 1 and fig. 2, which is not described herein again.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (10)
1. A method of screen projection, the method comprising:
acquiring a target audio and video;
acquiring information of at least one receiver and at least one display terminal connected with the at least one receiver;
and sending the target audio and video to the at least one receiver so that the at least one receiver sends the target audio and video to a display terminal connected with the at least one receiver for display.
2. The screen projection method according to claim 1, wherein the acquiring of the target audio and video comprises:
collecting the target audio and video;
encoding the target audio and video to obtain encoded data;
correspondingly, the sending the target audio and video to the at least one receiver so that the at least one receiver sends the target audio and video to a display terminal connected with the at least one receiver for display includes:
and sending the coded data to the at least one receiver so that the at least one receiver decodes the coded data and then sends the decoded coded data to a display terminal connected with the at least one receiver for display.
3. The screen projection method of claim 1, wherein the obtaining information of at least one receiver and at least one display terminal connected with the at least one receiver comprises:
transmitting a signal request to the at least one receiver;
and receiving a feedback signal sent by the at least one receiver, wherein the feedback signal comprises information of at least one display terminal connected with the at least one receiver.
4. The screen projection method according to claim 1, wherein before the obtaining of the information of the at least one receiver and the at least one display terminal connected to the at least one receiver, the method further comprises:
receiving a single display control instruction of a user;
correspondingly, the acquiring information of at least one receiver and at least one display terminal connected with the at least one receiver comprises:
and acquiring information of a target receiver and a target display terminal connected with the target receiver.
5. A screen projection apparatus, comprising: the device comprises a first acquisition module, a second acquisition module and a sending module;
the first acquisition module is used for acquiring a target audio and video;
the second acquisition module is used for acquiring information of at least one receiver and at least one display terminal connected with the at least one receiver;
the sending module is used for sending the target audio and video to the at least one receiver so that the at least one receiver sends the target audio and video to a display terminal connected with the at least one receiver for display.
6. The screen projection device of claim 5, wherein the first acquisition module comprises an acquisition unit and a coding unit;
the acquisition unit is used for acquiring the target audio and video;
and the coding unit is used for coding the target audio and video to obtain coded data.
7. The screen projection device according to claim 5, wherein the second acquisition module comprises a sending request unit and a receiving unit;
the sending request unit is used for sending a signal request to the at least one receiver;
the signal receiving unit is configured to receive a feedback signal sent by the at least one receiver, where the feedback signal includes information of at least one display terminal connected to the at least one receiver.
8. The screen-projecting device of claim 5, characterized in that the device further comprises a receiving module for receiving a single display control instruction of a user.
9. A screen projection system, comprising: the system comprises a transmitting terminal, at least one receiver and at least one display terminal;
the transmitting terminal is used for acquiring a target audio and video, acquiring information of at least one receiver and at least one display terminal connected with the at least one receiver, and transmitting the target audio and video to the at least one receiver;
the at least one receiver is used for sending the received target audio and video to at least one display terminal connected with the at least one receiver;
and the at least one display terminal is used for displaying the target audio and video.
10. A screen projection device, characterized in that the screen projection device comprises a processor and a memory, wherein at least one computer instruction is stored in the memory, and the instruction is loaded and executed by the processor to realize the steps executed in the screen projection method according to any one of the claims 1 to 4.
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| CN202110116335.XA CN112954421A (en) | 2021-01-28 | 2021-01-28 | Screen projection method, device, system and equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110116335.XA CN112954421A (en) | 2021-01-28 | 2021-01-28 | Screen projection method, device, system and equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113727048A (en) * | 2021-07-08 | 2021-11-30 | 深圳爱特天翔科技有限公司 | Audio and video transmission method, device, equipment and storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113727048A (en) * | 2021-07-08 | 2021-11-30 | 深圳爱特天翔科技有限公司 | Audio and video transmission method, device, equipment and storage medium |
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