CN116708385A - System for screen sharing among participant devices - Google Patents
System for screen sharing among participant devices Download PDFInfo
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- CN116708385A CN116708385A CN202310845741.9A CN202310845741A CN116708385A CN 116708385 A CN116708385 A CN 116708385A CN 202310845741 A CN202310845741 A CN 202310845741A CN 116708385 A CN116708385 A CN 116708385A
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- 238000000034 method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 16
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1083—In-session procedures
- H04L65/1095—Inter-network session transfer or sharing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1083—In-session procedures
- H04L65/1089—In-session procedures by adding media; by removing media
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
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- Multimedia (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- General Business, Economics & Management (AREA)
- Computer Networks & Wireless Communication (AREA)
- Information Transfer Between Computers (AREA)
Abstract
The invention discloses a system for sharing a screen between participating devices, which is characterized by comprising the following components: a receiver, a first mobile terminal, a second mobile terminal, a first transmitter, and a second transmitter; the first transmitter is used for receiving a first screen picture of the first mobile terminal in a wired mode and transmitting the first screen picture to the receiver; a receiver for forwarding the first screen to the second transmitter; a second transmitter for transmitting the first screen to a second mobile terminal; the second mobile terminal takes the first screen picture as a virtual camera picture to replace the camera picture of the self equipment, and then shares the virtual camera picture through the carried conference software.
Description
Technical Field
The invention relates to the technical field of screen sharing, in particular to a system for screen sharing among participant devices.
Background
Currently, as teleconferencing becomes popular, more and more conferences are performed by combining local conferences with teleconferences, during which conference participants perform PPT lectures or operation demonstrations by sharing device screens to a conference room display screen, and during which device screens are often shared remotely by downloading conference software on devices. This would require that all participants install the same conference software in their participant devices and enter the same conference room before participating in the teleconference, and that the network must be kept clear all the time the conference is in progress.
However, the method for remote screen sharing has some drawbacks, on one hand, if a new participant needs to join the conference sharing screen temporarily in the conference room, the participant needs to wait for the temporary joining to install conference software in his equipment, and on the other hand, if the participant equipment suddenly fails in the conference room, the screen of the failed equipment cannot be shared remotely when network connection cannot be performed. These existing drawbacks can reduce the efficiency and experience of teleconferencing.
Disclosure of Invention
The embodiment of the invention provides a system for screen sharing among meeting equipment, which can effectively solve the problem that in the prior art, before meeting a remote meeting, all meeting participants install the same meeting software in the meeting equipment and enter the same meeting room, and the limitation that the network is kept smooth all the time is needed when the meeting is carried out.
An embodiment of the present invention provides a system for participating in screen sharing between devices, including: a receiver, a first mobile terminal, a second mobile terminal, a first transmitter, and a second transmitter;
the receiver is connected with the first transmitter and the second transmitter;
the first mobile terminal is connected with the first transmitter in a wired manner, and the second mobile terminal is connected with the second transmitter; the second mobile terminal is loaded with conference software capable of sharing a screen;
the first transmitter is used for receiving a first screen picture of the first mobile terminal in a wired mode and transmitting the first screen picture to the receiver;
the receiver is used for forwarding the first screen picture to the second transmitter;
the second transmitter is used for transmitting the first screen picture to the second mobile terminal;
and the second mobile terminal takes the first screen picture as a virtual camera picture to replace the camera picture of the self equipment, and then shares the virtual camera picture through the carried conference software.
Further, the system for participating in screen sharing between devices further comprises: remote display device:
the second mobile terminal shares the virtual camera picture through the carried conference software, and the method comprises the following steps:
when a camera picture sharing instruction is detected, sharing the virtual camera picture to the remote display equipment through carried conference software;
or when the camera opening instruction and the screen sharing instruction are detected, sharing a second screen picture of the second terminal to the remote display device; the second screen picture comprises the virtual camera picture.
Further, the system for participating in screen sharing between devices further comprises: a local display;
the local display is connected with the receiver in a wired manner;
the second transmitter is further configured to receive a second screen, and forward the second screen to the receiver;
the receiver is further configured to transmit the received second screen picture transmitted by the second transmitter to a local display;
and the local display is used for displaying the second screen picture.
Further, the system for participating in screen sharing between devices further comprises: an external device;
wherein, the external device comprises any one or the combination of the following: the device comprises a camera, a loudspeaker and a microphone;
the external equipment is connected with the receiver;
the receiver is also used for receiving the multimedia data transmitted by the external equipment and transmitting the multimedia data to a first transmitter and a second transmitter which are connected with the receiver; wherein the multimedia data comprises any one or a combination of the following: audio data and video data;
the first transmitter and the second transmitter are further used for transmitting the multimedia data to a connected first mobile terminal and second mobile terminal respectively.
Further, a system for participating in screen sharing between devices,
the first transmitter includes: the device comprises a first signal transfer module, a first coding module and a first wireless connection module;
the first transmitter is configured to receive a first screen of a first mobile terminal, and transmit and first forward the first screen to a receiver, and includes:
receiving a first screen picture transmitted by a first mobile terminal in a wired mode, and inputting the first screen picture into the first signal switching module;
converting the received data format of the first screen picture into an MIPI signal format through the first signal switching module, generating first MIPI data, and inputting the first MIPI data into the first coding module;
encoding the received first MIPI data through the first encoding module to form a first encoded file, and inputting the first encoded file into the first wireless connection module;
and transmitting the first coded file to a receiver through the first wireless connection module.
Further, a system for participating in screen sharing between devices, the receiver comprising: a receiver wireless connection module;
the receiver forwarding the first screen to a second transmitter, comprising:
and receiving a first coded file transmitted by a first transmitter through the receiver wireless connection module, and transmitting the first coded file to a second transmitter.
Further, a system for participating in screen sharing between devices,
the second transmitter includes: the second wireless connection module, the second decoding module and the second encoding module;
the second transmitter transmitting the first screen to the second mobile terminal, comprising:
receiving a first encoded file transmitted by a receiver through the second wireless connection module, and inputting the received first encoded file into the second decoding module;
decoding the input first coded file through the second decoding module, restoring the first coded file into first MIPI data, and inputting the first MIPI data into the second coding module;
the second encoding module encodes the first MIPI data into a data format of a virtual camera picture, and then transmits the first screen picture in the virtual camera picture format to the second mobile terminal in a wired mode.
Further, a system for participating in screen sharing between devices,
the second transmitter further comprises: the second signal switching module;
the second transmitter is further configured to receive a second screen, and forward the second screen to the receiver, and includes:
inputting the second screen picture into a second signal transfer module in a wired mode;
converting the received data format of the second screen picture into an MIPI signal format through a second signal transfer module, generating second MIPI data, and inputting the second MIPI data into the second coding module;
encoding second MIPI data through a second encoding module to form a corresponding second encoding file, and transmitting the second encoding file to a second wireless connection module;
and transmitting the second coded file to a receiver through the second wireless connection module.
Further, a system for participating in screen sharing between devices,
the receiver further comprises: a receiver decoding module;
the receiver is further configured to transmit the second screen image transmitted by the received second transmitter to a local display, and includes:
inputting the received second encoded file into a receiver decoding module through the receiver wireless connection module;
and decoding the second encoded file through the receiver decoding module, recovering the second encoded file into second MIPI data, and transmitting the second MIPI data to a local display in a wired mode.
Further, the system for participating in screen sharing between devices, the receiver is further configured to receive multimedia data transmitted by an external device, and transmit the multimedia data to a first transmitter and a second transmitter connected to the receiver, where the system includes:
receiving the multimedia data transmitted by the external equipment in a wired mode;
transmitting the multimedia data to a first transmitter and a second transmitter through the receiver wireless connection module;
the first transmitter and the second transmitter are further configured to transmit the multimedia data to a connected first mobile terminal and second mobile terminal, respectively, and include:
the first transmitter receives the multimedia data through the first wireless connection module and transmits the external equipment data to a first mobile terminal in a wired mode;
the second transmitter receives the multimedia data through the second wireless connection module and transmits the data of the external equipment to a second mobile terminal in a wired mode.
The invention has the following beneficial effects:
the invention provides a system for screen sharing among participating devices, which comprises: a receiver, a first mobile terminal, a second mobile terminal, a first transmitter, and a second transmitter; the receiver is connected with the first transmitter and the second transmitter; the first mobile terminal is connected with the first transmitter in a wired way, and the second mobile terminal is connected with the second transmitter; the second mobile terminal is loaded with conference software capable of sharing a screen; the first transmitter is used for receiving a first screen picture of the first mobile terminal in a wired mode and transmitting the first screen picture to the receiver; a receiver for forwarding the first screen to the second transmitter; a second transmitter for transmitting the first screen to a second mobile terminal; the second mobile terminal takes the first screen picture as a virtual camera picture to replace the camera picture of the self equipment, and then shares the second screen picture of the second mobile terminal through the carried conference software.
According to the invention, when the first mobile terminal is not provided with conference software or cannot be connected with a network but needs screen sharing, the first screen picture can be transmitted to the second mobile terminal as the camera picture through the first transmitter, the receiver and the second transmitter, and the screen sharing is realized by means of the conference software and the camera function carried by the second mobile terminal, so that the first mobile terminal is not limited by the network and the conference software when the first mobile terminal needs to carry out screen sharing, and the efficiency and the experience effect of remote conference are effectively improved.
Drawings
FIG. 1 is a schematic diagram of a system for screen sharing among participating devices according to an embodiment of the present invention.
Fig. 2 is a schematic diagram illustrating the internal operation of a system for participating in screen sharing between devices according to an embodiment of the present invention.
FIG. 3 is another operational diagram of a system for participating in inter-device screen sharing according to an embodiment of the present invention.
FIG. 4 is another internal operation diagram of a system for participating in inter-device screen sharing according to an embodiment of the present invention.
FIG. 5 is another operational diagram of a system for participating in inter-device screen sharing according to an embodiment of the present invention.
FIG. 6 is a schematic diagram illustrating another internal operation of a system for participating in screen sharing between devices according to an embodiment of the present invention.
FIG. 7 is another operational diagram of a system for participating in inter-device screen sharing according to an embodiment of the present invention.
FIG. 8 is another internal operation diagram of a system for participating in inter-device screen sharing according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, a schematic operation diagram of a system for participating in screen sharing between devices according to an embodiment of the present invention includes: a receiver 100, a first mobile terminal 200, a second mobile terminal 300, a first transmitter 400, and a second transmitter 500;
the receiver 100 is connected 500 with the first transmitter 400 and the second transmitter;
in an embodiment of the present invention, after the receiver 100 is connected to the first transmitter 400 and the second transmitter 500, the configuration button of each transmitter is pressed for a long time, so that each transmitter is connected to the receiver 100 in a wireless manner in a matching manner. The wireless mode comprises the following steps: wiFi, bluetooth, cell phone hotspots, etc.
Preferably, the receiver 100 may also be connected in a wireless manner with several transmitters.
The first mobile terminal 200 is connected with the first transmitter 400 in a wired manner, and the second mobile terminal 300 is connected with the second transmitter 500; the second mobile terminal 300 is installed with conference software capable of screen sharing;
in an embodiment of the present invention, the first mobile terminal 200 and the first transmitter 400 are connected through a USB Type-C connector; the second mobile terminal 300 and the second transmitter 500 are also connected through a USB Type-C connector;
preferably, the first mobile terminal 200 and the second mobile terminal 300 include, but are not limited to: smart phones, tablet computers, and notebook computers; the second mobile terminal 300 is equipped with conference software capable of screen sharing, for example: conference, nailing, book flying, etc.
The first transmitter 400 is configured to receive a first screen of the first mobile terminal 200 in a wired manner, and transmit the first screen to a receiver;
in an embodiment of the present invention, the user continuously clicks the button of the first transmitter 400 twice, so that the first transmitter 400 receives the first screen of the first mobile terminal 200 through the USB Type-C connector and transmits the first screen to the receiver 100, and at the same time, the first transmitter 400 also transmits a forwarding instruction to the receiver 100. The forwarding instructions are used to instruct the receiver 100 to transmit the first screen to other transmitters.
The receiver 100 is configured to forward the first screen to the second transmitter 500;
in an embodiment of the present invention, after the receiver 100 receives the first screen transmitted by the first transmitter 400 and the forwarding instruction, the first screen is forwarded to the second transmitter 500.
Preferably, if the receiver 100 is matched with a plurality of other transmitters except the first transmitter 400 and the second transmitter 500, the receiver 100 receives the first screen transmitted by the first transmitter 400 and the forwarding instruction and forwards the first screen to the second transmitter 500 and the other plurality of transmitters.
The second transmitter 500 is configured to transmit the first screen to the second mobile terminal 300;
in an embodiment of the present invention, the second transmitter 500 receives the first screen forwarded by the receiver and transmits the first screen to the second mobile terminal 300 through the USB Type-C connector;
the second mobile terminal 300 uses the first screen as a virtual camera screen to replace the camera screen of its own device, and then shares the virtual camera screen through the conference software.
In an embodiment of the present invention, the second mobile terminal 300 may receive the first screen in the virtual camera data format, and may use the first screen as the camera screen of its own device by performing camera switching in the device.
Preferably, the system for participating in inter-device screen sharing further comprises: remote display device:
in an embodiment of the present invention, the remote display device is a notebook computer with networking capability and capable of carrying conference software.
The second mobile terminal 300 shares the virtual camera screen through the carried conference software, and includes:
when a camera picture sharing instruction is detected, sharing the virtual camera picture to the remote display equipment through carried conference software;
or when the camera opening instruction and the screen sharing instruction are detected, sharing a second screen picture of the second terminal to the remote display device; the second screen picture comprises the virtual camera picture.
In an embodiment of the present invention, when the second mobile terminal 300 performs a teleconference through the carried conference software, the camera function of the conference software is turned on, so that other users in the same teleconference room can see the first screen in the camera window of the conference software.
The second mobile terminal 300 may also open only the screen sharing function and open the virtual camera in the second mobile terminal through the conference software carried thereon when the teleconference is performed, so that other users in the same teleconference room can see the first screen in the screen sharing window, and the other users can see the clearer first screen.
In another preferred example of the present invention, if the receiver 100 is connected to a plurality of other transmitters, after the second mobile terminal 300 turns on the camera to share the first screen transmitted by the first transmitter 400, the mobile terminals respectively connected to the plurality of other transmitters cannot receive the first screen and share the same as the virtual camera during the sharing of the second mobile terminal.
In another preferred embodiment of the present invention, as shown in fig. 2, an internal operation schematic diagram of a system for participating in screen sharing between devices according to an embodiment of the present invention includes:
the first transmitter 400 includes: a first signal transfer module 401, a first encoding module 402, and a first wireless connection module 403;
receiving a first screen transmitted by the first mobile terminal 200 in a wired manner, and inputting the first screen into the first signal switching module 401;
in an embodiment of the present invention, the first screen image transmitted to the first transmitter 400 by the first mobile terminal 200 through the DP protocol of Type-C is a DP signal;
converting the received data format of the first screen picture into an MIPI signal format through the first signal switching module 401, generating first MIPI data, and inputting the first MIPI data into the first encoding module;
in an embodiment of the present invention, the first signal transferring module 401 is configured to convert a first screen of the DP signal into the MIPI signal, and generate first MIPI data. Enabling an image signal processor (ISP chip) to recognize a first screen converted into an MIPI signal;
encoding the received first MIPI data by the first encoding module 402 to form a first encoded file, and inputting the first encoded file to the first wireless connection module;
in an embodiment of the present invention, the first encoding module 402 receives and encodes the first screen picture of the MIPI signal through the image signal processor, and generates a first encoded file, so that the first screen picture can be transmitted to the receiver through the first wireless connection module 403.
The first encoded file is transmitted to the receiver 100 via the first wireless connection module 403.
In one embodiment of the present invention, the first wireless connection module 403 transmits the first encoded file to the matched receiver 100 and simultaneously transmits a forwarding instruction generated according to the user operation to the receiver 100.
The receiver 100 includes: a receiver wireless connection module 101;
the first encoded file transmitted by the first transmitter 400 is received through the receiver wireless connection module 101 and transmitted to the second transmitter.
In an embodiment of the present invention, the receiver wireless connection module 101 receives the first encoded file transmitted by the first wireless connection module 403 and the forwarding instruction, and sends the first encoded file to the second transmitter 500 according to the forwarding instruction.
Preferably, if the receiver 100 matches several other transmitters, the receiver wireless connection module 101 transmits the first encoded file to the second transmitter 500 and several other transmitters.
The second transmitter 500 includes: a second wireless connection module 501, a second decoding module 502, and a second encoding module 503;
receiving, by the second wireless connection module 501, the first encoded file transmitted by the receiver, and inputting the received first encoded file into the second decoding module;
in an embodiment of the present invention, the second wireless connection module 501 receives the first encoded file transmitted by the receiver wireless connection module 101, and inputs the first encoded file into the second decoding module 502 for decoding.
The second decoding module 502 decodes the input first encoded file to restore the first MIPI data, and then inputs the first MIPI data into the second encoding module 503;
in an embodiment of the present invention, the second decoding module 502 restores the first encoded file to first MIPI data, that is, MIPI signals corresponding to the first screen, and inputs the first MIPI data to the second encoding module 503 for encoding;
the second encoding module 503 encodes the first MIPI data into a data format of a virtual camera frame, and then transmits the first screen frame in the virtual camera frame format to the second mobile terminal in a wired manner.
In an embodiment of the present invention, the second encoding module 503 encodes the first MIPI data, that is, the MIPI signal corresponding to the first screen, to generate the virtual camera data format MJPG corresponding to the first screen, and then transmits the first screen in the virtual camera data format to the second mobile terminal 300 through the USB Type-C connector.
According to the system for sharing the screen between the participating devices, when the first mobile terminal is not provided with conference software or cannot be connected with a network but needs to share the screen, the first screen picture can be transmitted to the second mobile terminal as the camera picture through the first transmitter, the receiver and the second transmitter, and the screen sharing is realized by means of the conference software and the camera function carried by the second mobile terminal, so that the first mobile terminal is not limited by the network and the conference software when the first mobile terminal needs to share the screen, and the efficiency and the experience effect of a remote conference are effectively improved.
Referring to fig. 3, another operation diagram of a system for participating in screen sharing between devices according to an embodiment of the present invention includes: a local display 600;
the local display 600 is wired to the receiver 100;
in one embodiment of the present invention, the receiver 100 transmits data to the local display 600 through the HDMI interface.
The second transmitter 500 is further configured to receive a second screen, and forward the second screen to the receiver 100;
in an embodiment of the present invention, the user clicks the button of the second transmitter 500, so that the second transmitter 500 receives the second screen of the second mobile terminal 300 through the Type-C interface, and transmits the second screen to the receiver 100, and at the same time, the second transmitter 500 transmits a display instruction to the receiver 100. The display instruction is used to instruct the receiver 100 to transmit the second screen to the local display for display.
The receiver 100 is further configured to transmit the received second screen transmitted by the second transmitter 500 to a local display;
in an embodiment of the present invention, after receiving the second screen image, the virtual camera image, and the display instruction transmitted by the second transmitter 500, the receiver 100 transmits the second screen image to the local display 600 through the HDMI interface.
The local display 600 is configured to display the second screen.
In an embodiment of the present invention, the local display 600 receives a second screen through the HDMI interface, and displays the second screen on the display screen, where the second screen includes the virtual camera frame.
Preferably, referring to fig. 7, another operation diagram of a system for participating in screen sharing between devices according to an embodiment of the present invention is provided, where the first screen is not by the second mobile terminal 300, but may be displayed on the local display 600 in the following manner.
The receiver 100 is further configured to transmit the first screen together with the second screen to the local display 600;
in an embodiment of the present invention, the first screen may be further displayed on the local display by the following manner, the receiver 100 may further receive the first screen and the display signal transmitted by the first transmitter 400, and the second screen and the display signal transmitted by the second transmitter 500, and the receiver 100 adjusts the first screen and the second screen according to the resolution of the local display, and then transmits the first screen and the second screen to the local display 600 through the HDMI interface.
The local display 600 is further configured to display a first screen and a second screen.
In an embodiment of the present invention, the local display 600 receives the adjusted first screen and the adjusted second screen through the HDMI interface, and displays the first screen and the second screen on the display screen.
In another preferred embodiment of the present invention, as shown in fig. 4, another internal operation diagram of a system for participating in screen sharing between devices according to an embodiment of the present invention includes:
in the second transmitter 500, further comprising: a second signal transfer module 504;
inputting the second screen picture into a second signal transfer module in a wired mode;
in an example of the present invention, the second screen transmitted to the second transmitter 500 by the second mobile terminal 300 through the DP protocol of Type-C is a DP signal.
Converting the received data format of the second screen into a MIPI signal format by the second signal transferring module 504, generating second MIPI data, and inputting the second MIPI data to the second encoding module 503;
in an embodiment of the present invention, the second signal transferring module 504 is configured to convert the second screen of the DP signal into the MIPI signal, and generate the second MIPI data. Enabling an image signal processor (ISP chip) to recognize a second screen converted into MIPI signals;
encoding the second MIPI data by the second encoding module 503 to form a corresponding second encoded file, and transmitting the second encoded file to the second wireless connection module 501;
in an embodiment of the present invention, the second encoding module 503 receives and encodes the second screen of the MIPI signal through the image signal processor, and generates a second encoded file, so that the second screen can be transmitted to the receiver through the second wireless connection module 501.
Transmitting the second encoded file to a receiver via the second wireless connection module 501;
in one embodiment of the present invention, the second wireless connection module 501 transmits the second encoded file to the matched receiver 100 and simultaneously transmits a display instruction generated according to the user operation to the receiver 100.
The receiver 100 further comprises: a receiver decoding module 102;
inputting the received second encoded file into the receiver decoding module 102 through the receiver wireless connection module 101;
in an embodiment of the present invention, the receiver wireless connection module 101 receives the second encoded file transmitted by the second wireless connection module 501 and a display instruction, and according to the display instruction, the second encoded file is transmitted to the receiver decoding module 102.
The second encoded file is decoded by the receiver decoding module 102, restored to second MIPI data, and the second MIPI data is transmitted to the local display in a wired manner.
In an embodiment of the present invention, the receiver decoding module 102 decodes the second encoded file to restore the second encoded file to an MIPI signal that can be used for display, and then transmits the MIPI signal corresponding to the second screen to the local display 600 through the HDMI interface.
Preferably, as shown in fig. 8, another internal operation schematic diagram of a system for participating in screen sharing between devices according to an embodiment of the present invention includes:
in an embodiment of the present invention, the receiver wireless connection module 101 may further receive the first encoded file sent by the first transmitter 400 and the second encoded file sent by the second transmitter 500, and transmit the first encoded file and the second encoded file to the receiver decoding module 102 for decoding according to the display instructions of the first transmitter 400 and the second transmitter 500.
The receiver decoding module 102 decodes the data of each encoded file to obtain first MIPI data and second MIPI data, and transmits each MIPI data to the local display 600.
In an embodiment of the present invention, the receiver decoding module 102 restores the first encoded file and the second encoded file to the MIPI signal corresponding to the first screen and the MIPI signal corresponding to the second screen respectively, and adjusts the first screen and the second screen according to the resolution of the local display 600, so that the first screen and the second screen can be clearly displayed on the local display 600.
By implementing the invention, the second mobile terminal can also put the screen of the second mobile terminal and the screen of the first mobile terminal into the display screen in the local conference room for display while carrying out the remote conference sharing screen and helping the first mobile terminal to carry out the sharing screen. When the first mobile terminal does not need to remotely share the screen, the first mobile terminal can also directly put the screen into a local display screen, and display the second mobile terminal and the second mobile terminal in the display screen. The problem that multi-screen display cannot be performed when the local conference room local display is not allowed to be connected with a plurality of mobile devices is solved, a user is helped not to be limited by the local conference room display device, multi-screen display is performed, and the user can synchronously perform PPT speech or operation demonstration on a local conference and a remote conference.
FIG. 5 is a schematic diagram illustrating another operation of a system for screen sharing between participating devices according to an embodiment of the present invention, including an external device 700;
wherein, the external device comprises any one or the combination of the following: the device comprises a camera, a loudspeaker and a microphone;
the external device 700 is connected with the receiver 100;
in an embodiment of the present invention, the external device 700 is connected to the receiver 100 through a USB interface.
The receiver 100 is further configured to receive multimedia data transmitted by the external device 700, and transmit the multimedia data to the first transmitter 400 and the second transmitter 500 connected to the receiver 100; wherein the multimedia data comprises any one or a combination of the following: audio data and video data;
in an embodiment of the present invention, the external device 700 may transmit audio data and video data to the receiver 100 through the USB interface, when the external device 700 has a speaker and a microphone, or only a speaker, or only a microphone, the receiver may receive the audio data transmitted by the external device, when the external device 700 has a camera, the receiver may receive the video data transmitted by the external device, and when the external device 700 has a camera and a microphone, or has a camera and a speaker, or has a camera, a microphone, and a speaker, the receiver may receive the video data and the audio data transmitted by the external device. After the receiver 100 receives the multimedia data transmitted from the external device 700, the multimedia data is transmitted to the first transmitter 400 and the second transmitter 500 connected thereto by means of local wireless communication.
Preferably, if the receiver is matched with other transmitters, after the receiver 100 receives the multimedia data transmitted by the external device 700, the receiver also transmits the multimedia data to the other transmitters connected thereto by means of local wireless communication.
The first transmitter 400 and the second transmitter 500 are further used for transmitting the multimedia data to the connected first mobile terminal 200 and second mobile terminal 300, respectively.
In an embodiment of the present invention, after the first transmitter 400 and the second transmitter 500 receive the multimedia data transmitted by the receiver 100, the multimedia data are transmitted to the first mobile terminal 200 and the second mobile terminal 300 connected thereto, respectively, so that the first mobile terminal 200 can view the camera screen of the receiver and listen to the sounds of the microphone and the speaker of the receiver on its own device.
In another preferred embodiment of the present invention, as shown in fig. 6, another internal operation schematic diagram of a system for participating in screen sharing between devices according to an embodiment of the present invention includes:
the receiver 100 receives the multimedia data transmitted by the external device 700 in a wired manner;
in an embodiment of the present invention, the receiver 100 receives the multimedia data transmitted by the external device 700 through the USB interface, where the multimedia data includes any one or a combination of the following specific devices connected to the external device 700: audio data and video data.
Transmitting the multimedia data to a first transmitter and a second transmitter through the receiver wireless connection module 101;
in an embodiment of the present invention, the receiver wireless connection module 101 transmits multimedia data to the first transmitter 400 and the second transmitter 500 when the USB interface receives the multimedia data;
preferably, when the receiver 100 is matched with the other transmitters, the receiver wireless connection module 101 transmits the multimedia data to the other transmitters when the USB interface receives the multimedia data.
The first transmitter 400 receives the multimedia data through the first wireless connection module 403, and transmits the external device data to the first mobile terminal 200 through a wired manner;
in an embodiment of the present invention, the first wireless connection module 403 of the first transmitter 400 receives the multimedia data transmitted by the receiver 100, and transmits the multimedia data to the first mobile terminal 200 through the USB Type-C connector.
The second transmitter 500 receives the multimedia data through the second wireless connection module, and transmits the external device data to a second mobile terminal through a wired mode.
In an embodiment of the present invention, the second wireless connection module 501 of the second transmitter 500 receives multimedia data transmitted by the receiver 100, and transmits the multimedia data to the second mobile terminal 300 through the USB Type-C connector.
By implementing the invention, the problem that when the local conference room is large or the equipment quality is high, the user in some local conference rooms cannot clearly hear the sound of the demonstrator cannot clearly see the speech picture of the demonstrator is solved, and the invention helps the user to be free from the limitation of space or equipment quality when the user is in the local conference room for conference, so that each participant can clearly see the speech picture of the presenter and hear the sound of the presenter, and the quality of the local conference is greatly improved.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the invention, such changes and modifications are also intended to be within the scope of the invention.
Claims (10)
1. A system for participating in inter-device screen sharing, comprising: a receiver, a first mobile terminal, a second mobile terminal, a first transmitter, and a second transmitter;
the receiver is connected with the first transmitter and the second transmitter;
the first mobile terminal is connected with the first transmitter in a wired manner, and the second mobile terminal is connected with the second transmitter; the second mobile terminal is loaded with conference software capable of sharing a screen;
the first transmitter is used for receiving a first screen picture of the first mobile terminal in a wired mode and transmitting the first screen picture to the receiver;
the receiver is used for forwarding the first screen picture to the second transmitter;
the second transmitter is used for transmitting the first screen picture to the second mobile terminal;
and the second mobile terminal takes the first screen picture as a virtual camera picture to replace the camera picture of the self equipment, and then shares the virtual camera picture through the carried conference software.
2. The system for participating in inter-device screen sharing of claim 1, further comprising: remote display device:
the second mobile terminal shares the virtual camera picture through the carried conference software, and the method comprises the following steps:
when a camera picture sharing instruction is detected, sharing the virtual camera picture to the remote display equipment through carried conference software;
or when the camera opening instruction and the screen sharing instruction are detected, sharing a second screen picture of the second mobile terminal to the remote display device; the second screen picture comprises the virtual camera picture.
3. The system for participating in inter-device screen sharing of claim 1, further comprising: a local display;
the local display is connected with the receiver in a wired manner;
the second transmitter is further configured to receive a second screen, and forward the second screen to the receiver;
the receiver is further configured to transmit the received second screen picture transmitted by the second transmitter to a local display;
and the local display is used for displaying the second screen picture.
4. The system for participating in inter-device screen sharing of claim 2, further comprising: an external device;
wherein, the external device comprises any one or the combination of the following: the device comprises a camera, a loudspeaker and a microphone;
the external equipment is connected with the receiver;
the receiver is also used for receiving the multimedia data transmitted by the external equipment and transmitting the multimedia data to a first transmitter and a second transmitter which are connected with the receiver; wherein the multimedia data comprises any one or a combination of the following: audio data and video data;
the first transmitter and the second transmitter are further used for transmitting the multimedia data to a connected first mobile terminal and second mobile terminal respectively.
5. The system for participating in inter-device screen sharing as recited in claim 4, wherein,
the first transmitter includes: the device comprises a first signal transfer module, a first coding module and a first wireless connection module;
the first transmitter is configured to receive a first screen of a first mobile terminal, and transmit and first forward the first screen to a receiver, and includes:
receiving a first screen picture transmitted by a first mobile terminal in a wired mode, and inputting the first screen picture into the first signal switching module;
converting the received data format of the first screen picture into an MIPI signal format through the first signal switching module, generating first MIPI data, and inputting the first MIPI data into the first coding module;
encoding the received first MIPI data through the first encoding module to form a first encoded file, and inputting the first encoded file into the first wireless connection module;
and transmitting the first coded file to a receiver through the first wireless connection module.
6. The system for participating in inter-device screen sharing of claim 5,
the receiver comprises: a receiver wireless connection module;
the receiver forwarding the first screen to a second transmitter, comprising:
and receiving a first coded file transmitted by a first transmitter through the receiver wireless connection module, and transmitting the first coded file to a second transmitter.
7. The system for participating in inter-device screen sharing of claim 6,
the second transmitter includes: the second wireless connection module, the second decoding module and the second encoding module;
the second transmitter transmitting the first screen to the second mobile terminal, comprising:
receiving a first encoded file transmitted by a receiver through the second wireless connection module, and inputting the received first encoded file into the second decoding module;
decoding the input first coded file through the second decoding module, restoring the first coded file into first MIPI data, and inputting the first MIPI data into the second coding module;
the second encoding module encodes the first MIPI data into a data format of a virtual camera picture, and then transmits the first screen picture in the virtual camera picture format to the second mobile terminal in a wired mode.
8. The system for participating in inter-device screen sharing of claim 7,
the second transmitter further comprises: the second signal switching module;
the second transmitter is further configured to receive a second screen, and forward the second screen to the receiver, and includes:
inputting the second screen picture into a second signal transfer module in a wired mode;
converting the received data format of the second screen picture into an MIPI signal format through a second signal transfer module, generating second MIPI data, and inputting the second MIPI data into the second coding module;
encoding second MIPI data through a second encoding module to form a corresponding second encoding file, and transmitting the second encoding file to a second wireless connection module;
and transmitting the second coded file to a receiver through the second wireless connection module.
9. The system for participating in inter-device screen sharing of claim 8,
the receiver further comprises: a receiver decoding module;
the receiver is further configured to transmit the second screen image transmitted by the received second transmitter to a local display, and includes:
inputting the received second encoded file into a receiver decoding module through the receiver wireless connection module;
and decoding the second encoded file through the receiver decoding module, recovering the second encoded file into second MIPI data, and transmitting the second MIPI data to a local display in a wired mode.
10. The system for participating in inter-device screen sharing of claim 9,
the receiver is further configured to receive multimedia data transmitted by an external device, and transmit the multimedia data to a first transmitter and a second transmitter connected to the receiver, where the receiver includes:
receiving the multimedia data transmitted by the external equipment in a wired mode;
transmitting the multimedia data to a first transmitter and a second transmitter through the receiver wireless connection module;
the first transmitter and the second transmitter are further configured to transmit the multimedia data to a connected first mobile terminal and second mobile terminal, respectively, and include:
the first transmitter receives the multimedia data through the first wireless connection module and transmits the external equipment data to a first mobile terminal in a wired mode;
the second transmitter receives the multimedia data through the second wireless connection module and transmits the data of the external equipment to a second mobile terminal in a wired mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310845741.9A CN116708385A (en) | 2023-07-11 | 2023-07-11 | System for screen sharing among participant devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310845741.9A CN116708385A (en) | 2023-07-11 | 2023-07-11 | System for screen sharing among participant devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116708385A true CN116708385A (en) | 2023-09-05 |
Family
ID=87845236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310845741.9A Pending CN116708385A (en) | 2023-07-11 | 2023-07-11 | System for screen sharing among participant devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116708385A (en) |
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2023
- 2023-07-11 CN CN202310845741.9A patent/CN116708385A/en active Pending
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