CN111386700A - Multifunctional receiving device and conference system - Google Patents
Multifunctional receiving device and conference system Download PDFInfo
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- CN111386700A CN111386700A CN202080000180.7A CN202080000180A CN111386700A CN 111386700 A CN111386700 A CN 111386700A CN 202080000180 A CN202080000180 A CN 202080000180A CN 111386700 A CN111386700 A CN 111386700A
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- 238000010295 mobile communication Methods 0.000 claims description 4
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
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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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- 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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/643—Communication protocols
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Abstract
An embodiment of the present invention provides a multifunctional receiving device, where the multifunctional receiving device includes: the multifunctional receiving equipment is connected with a first terminal through an HDMI interface and a USB interface; the receiving module, the mode recognition module, the screen projection decoding module, the video decoding module and the transmission module are respectively connected with the control module. This multi-functional receiving equipment passes through the HDMI interface with data information transmission to first terminal, need not just can realize at the built-in software of first terminal, and transmission efficiency is high, and this multi-functional equipment both can realize wireless screen projection function, can realize long-range video conference function again simultaneously, and the function is various. Furthermore, a conference system is proposed.
Description
Technical Field
The present invention relates to the field of wireless communication technologies, and in particular, to a multifunctional receiving device and a conference system.
Background
With the development of science and technology, intelligent conference systems are more and more common, and conferences are divided into local conferences and remote conferences according to scenes. The local conference refers to a conference developed in the same place, the local conference often adopts a wireless screen projection mode to project a screen of a local computer onto a large screen for displaying in order to improve convenience, and wireless screen projection equipment is needed for realizing the wireless screen projection. Traditional wireless screen projection equipment generally adopts USB wireless screen projection equipment to project the screen, but this kind of screen projection mode need with wireless screen projection equipment connected terminal on the installation throw the screen software can realize, inefficiency, and traditional wireless screen projection equipment function singleness.
Disclosure of Invention
In view of the above, the present invention provides a multifunctional receiving device and a conference system with high screen projection efficiency and multiple functions.
A multi-function reception apparatus, comprising: the multifunctional receiving equipment is connected with a first terminal through an HDMI interface and a USB interface;
the receiving module, the mode recognition module, the screen projection decoding module, the video decoding module and the transmission module are respectively connected with the control module;
the receiving module is configured to receive data information sent by a second terminal, where the data information includes: a data transmission mode;
the pattern recognition module is connected with the receiving module and used for recognizing a data transmission pattern in the data information to obtain a pattern recognition result;
the screen projection decoding module is connected with the mode identification module and is used for decoding screen projection information in the received data information to obtain target screen projection information when the mode identification result is a screen projection mode;
the video decoding module is connected with the mode identification module and used for decoding the video information in the received data information to obtain target video information when the mode identification result is a video mode;
the transmission module is connected with the screen projection decoding module and is used for transmitting the target screen projection information to the first terminal through the HDMI by adopting a first preset protocol so as to enable the first terminal to display the target screen projection information;
the transmission module is connected with the video decoding module and is used for transmitting the target video information to the first terminal through the HDMI by adopting a second preset protocol so as to enable the first terminal to display the target video information.
In one embodiment, the receiving module includes: the system comprises a remote wireless receiving module and a short-distance wireless receiving module, wherein the remote wireless receiving module is used for receiving data information which is sent by a second terminal through a server and contains video information, and the short-distance wireless receiving module is used for receiving the data information which is sent by the second terminal and contains screen projection information.
In one embodiment, the long-distance wireless receiving module is a mobile communication module, and the short-distance wireless receiving module is a bluetooth module or a WIFI module.
In one embodiment, the multi-function receiving apparatus further comprises: the first format conversion module is respectively connected with the screen projection decoding module and the control module, and the second format conversion module is respectively connected with the video decoding module and the control module; the first format conversion module is used for converting the format of the target screen projection information into a target screen projection format when the format of the target screen projection information obtained by decoding does not meet the preset format requirement; and the second format conversion module is used for converting the format of the video screen projection information into a target video format when the format of the target video information obtained by decoding does not meet the preset format requirement.
In one embodiment, the multi-function receiving apparatus further comprises: and the switch module is respectively connected with the transmission module and the control module and is used for controlling the transmission module to start or stop transmitting the screen projection information in the first format or the video information in the second format.
In one embodiment, the multi-function receiving apparatus further comprises: and the switching module is respectively connected with the receiving module and the control module and is used for controlling the receiving module to select to receive the screen projection information and/or the video information when the screen projection information and the video information are simultaneously received.
In one embodiment, the second preset protocol is an RTP protocol, and the first preset protocol is an airpower protocol, a Chromecast protocol, a Miracast protocol, or a DLNA protocol.
In one embodiment, a conferencing system is provided, comprising: in any of the above embodiments, the multifunctional receiving device is connected to the first terminal, and the multifunctional receiving device is connected to the second terminal through short-range wireless communication.
In one embodiment, a conferencing system is provided, comprising: in any of the embodiments above, the multifunctional receiving device is connected to the first terminal, and the sending device is connected to the second terminal through an HDMI interface and a USB interface, and is configured to receive screen projection information transmitted by the second terminal, encode the screen projection information, and send data information obtained after encoding to the multifunctional receiving device.
In one embodiment, a conferencing system is provided, comprising: in any of the above embodiments, the multifunctional receiving device is connected to the first terminal, the remote second terminal is connected to the server through a network, the server is connected to the multifunctional receiving device through a network, and the local second terminal is connected to the multifunctional receiving device through short-range wireless communication.
The above-mentioned multi-functional receiving arrangement includes: the multifunctional receiving equipment is connected with a first terminal through an HDMI interface and a USB interface; the receiving module, the mode recognition module, the screen projection decoding module, the video decoding module and the transmission module are respectively connected with the control module. The multifunctional receiving equipment receives data information through the receiving module, then identifies a data transmission mode in the data information through the mode identification module, decodes screen projection information in the received data information into screen projection information in a first format when an identification result is a screen projection mode, decodes video information in the received data information into video information in a second format when the identification result is a video mode, and then transmits the screen projection information or the video information to a first terminal through the transmission module for displaying. The multifunctional receiving equipment decodes the data information through the built-in screen projection decoding module and the built-in video decoding module, then transmits the data information to the first terminal through the HDMI interface, can realize wireless screen projection without additionally installing software on the first terminal, and has high transmission efficiency. Furthermore, the multifunctional receiving equipment can realize a wireless screen projection function and a remote video conference function, and has various functions. When meeting, when both needing local wireless throwing the screen, need connect long-range video again, need not switch between the equipment, only need on this multi-functional receiving equipment select can, easy operation is convenient, and this multi-functional receiving equipment not only can realize throwing the screen and long-range video freely switching with wireless, can throw the screen with wireless moreover and long-range video and carry out the split screen show simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram showing the structure of a multi-function receiving apparatus in one embodiment;
fig. 2 is a block diagram showing the construction of a multi-function receiving apparatus in another embodiment;
fig. 3 is a block diagram showing the construction of a multi-function receiving apparatus in still another embodiment;
FIG. 4 is a schematic diagram of a conferencing system in one embodiment;
FIG. 5 is a schematic diagram of a conferencing system in another embodiment;
FIG. 6 is a schematic diagram of a conferencing system in yet another embodiment;
fig. 7 is a schematic diagram of the internal structure of the multifunction receiving apparatus in one embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
Fig. 1 is a multi-function receiving apparatus 10 provided in an embodiment of the present invention, where the multi-function receiving apparatus 10 includes: the multifunctional receiving device comprises a receiving module 102, a mode recognition module 104, a screen projection decoding module 106, a video decoding module 108, a transmission module 110 and a control module 112, wherein the multifunctional receiving device is connected with the first terminal 20 through an HDMI interface and a USB interface, the HDMI interface is used for transmitting data information, and the USB interface is used for transmitting instruction information; the receiving module 102, the pattern recognition module 104, the screen projection decoding module 106, the video decoding module 108 and the transmission module 110 are respectively connected with the control module 112;
the receiving module 102 is configured to receive data information sent by the second terminal 30, where the data information includes: a data transmission mode; the pattern recognition module 104 is connected to the receiving module 102, and is configured to recognize a data transmission pattern in the data information to obtain a pattern recognition result; the screen projection decoding module 106 is connected to the pattern recognition module 104, and is configured to decode screen projection information in the received data information to obtain target screen projection information when the pattern recognition result is the screen projection pattern; the video decoding module 108 is connected to the mode identification module 104, and configured to decode video information in the received data information to obtain target video information when the mode identification result is the video mode; the transmission module 110 is connected to the screen projection decoding module 106, and is configured to transmit the target screen projection information to the first terminal through the HDMI interface by using a first preset protocol, so that the first terminal displays the screen projection information; the transmission module 110 is connected to the video decoding module 108, and is configured to transmit the target video information to the first terminal through the HDMI interface by using a second preset protocol, so that the first terminal displays the video information.
The receiving module 102 is configured to receive data information sent by a second terminal, where the second terminal is a data sending terminal, and the first terminal is a data receiving terminal. The multifunction receiving apparatus 20 includes an HDMI (High Definition multimedia interface) interface and a USB interface, and the multifunction receiving apparatus 10 and the first terminal 20 are connected via the HDMI interface and the USB interface. The HDMI interface is used to transmit data information, and the USB interface is used to transmit command information, while the multifunction reception device 10 can be powered through the USB interface.
Because the HDMI interface is the multimedia data transmission interface, can directly transmit data information to first terminal through the HDMI interface, need not additionally install software at first terminal, simple and convenient is favorable to improving transmission efficiency moreover.
The receiving module 102 can receive local screen projection information and remote video information. The information received by the receiving module 102 has different sources and different data transmission modes, so the type of the data information is determined according to the data transmission mode. The screen projection information can be static pictures, dynamic videos and the like, and if the current display information is the dynamic videos accompanied by voices, the multifunctional receiving equipment simultaneously receives voice information synchronized with the screen projection information of the second terminal.
The pattern recognition module 104 is configured to recognize a data transmission pattern in the data information, where the data information includes the data transmission pattern. In one embodiment, the data transmission mode of the data information is represented by different flags, for example, there may be 0 for local screen projection information and 1 for remote video information. Obtaining a pattern recognition result by recognizing a data transmission pattern in the data information, wherein the pattern recognition result is divided into: the video-on-screen display system comprises a screen projection mode and a video mode, wherein the screen projection mode represents local screen projection, and the video mode represents remote video.
When the screen projection mode is obtained through identification, screen projection information in the received data information is decoded into screen projection information in a first format through a screen projection decoding module 106; when the video mode is identified, the video information in the received data information is decoded into the video information in the second format by the video decoding module 108. The first format and the second format may be the same or different. In an embodiment, the second preset protocol is an RTP protocol, where the RTP (Real-time transport protocol) protocol is used for transmitting the audio and video. The first preset protocol is an Airplay protocol, a Chromecast protocol, a Miracast protocol or a DLNA protocol.
In this embodiment, the decoding adopts the international standard, the static pictures can be decoded by adopting the MPEG series standards (such as MPEG-1, MPEG-2, MPEG-4, MPEG-7, MPEG-21, and the like), and the dynamic videos can be decoded by adopting the h.261, h.263, h.264, h.265, and the like. Of course, other decoding standards may be selected in this embodiment, and this embodiment is not limited in particular.
The transmission module 110 is responsible for transmitting the decoded screen projection information in the first format or the decoded video information in the second format from the multifunctional receiving device 10 to the first terminal 20 through the HDMI interface for presentation by the first terminal 20.
The control module 112 is connected to the receiving module 102, the pattern recognition module 104, the screen projection decoding module 106, the video decoding module 108, and the transmission module 110, and is configured to receive data information sent by each module, and send a control instruction to each module. For example, the control receiving module 102 sends the received data information to the pattern recognition module 104, then sends the data information to the screen projection decoding module 106 or the video decoding module 108 according to the pattern recognition result 104, and then controls the transmission module 110 to transmit the decoded information to the first terminal 20.
The multifunctional receiving equipment can realize the wireless screen projection function and the remote video conference function, does not need to switch between the equipment when a conference is carried out, only needs to select on the multifunctional receiving equipment, is simple and convenient to operate, can realize the free switching of the wireless screen projection and the remote video, and can carry out the screen division display on the wireless screen projection and the remote video simultaneously. In addition, the data information is decoded through a screen projection decoding module and a video decoding module which are arranged in the multifunctional receiving equipment, and is transmitted to the first terminal through the HDMI interface, so that remote video display can be carried out without additionally installing software on the first terminal. In addition, for a user, a plurality of functions can be realized by only purchasing one product, and cost reduction is facilitated.
In one embodiment, the receiving module comprises: the remote wireless receiving module is used for receiving data information which is sent by the second terminal through the server and contains video information, and the near wireless receiving module is used for receiving data information which is sent by the second terminal and contains screen projection information.
The receiving module receives the screen projection information through the short-distance receiving module, the video information is transmitted in a long distance, and the receiving module can receive the video information through the long-distance receiving module.
In one embodiment, the long-distance wireless receiving module is a mobile communication module, and the short-distance wireless receiving module is a bluetooth module or a WIFI module.
The mobile communication module can be a 3G/4G/5G module. The short-distance wireless receiving module can adopt a Bluetooth module, a WIFI module or a Zigbee module.
As shown in fig. 2, in one embodiment, the multi-function receiving apparatus 10 further includes: the video display device comprises a first format conversion module 202 and a second format conversion module 204, wherein the first format conversion module 202 is respectively connected with the screen projection decoding module 106 and the control module 112, and the second format conversion module 204 is respectively connected with the video decoding module 108 and the control module 112; the first format conversion module is used for converting the format of the target screen projection information into a target screen projection format when the format of the target screen projection information obtained by decoding does not meet the preset format requirement; and the second format conversion module is used for converting the format of the video screen projection information into the target video format when the format of the target video information obtained by decoding does not meet the preset format requirement.
After the multifunctional receiving device receives the screen projection information of the second terminal, because platforms of the first terminal and the second terminal are uncertain, the screen projection information of the second terminal may not be normally projected on the first terminal, and therefore the decoded screen projection information needs to be processed first, and the format of the screen projection information meets the requirement of the first terminal. The first format conversion module is used for converting the target screen projection information which does not conform to the preset format into the target screen projection information which conforms to the preset format, namely converting the format of the target screen projection information into the target screen projection format; the second format conversion module is used for converting the target video information which does not conform to the preset format into the target video information which conforms to the preset format, namely converting the format of the target video information into the target video format. For example, the format of the screen-casting information received by the multifunctional receiving device is png format, the target format supported by the first terminal is JPG format, and the first format conversion module in the multifunctional receiving device converts the png screen-casting information into the screen-casting information in the target format of JPG through a built-in preset conversion protocol.
As shown in fig. 3, in one embodiment, the multi-function receiving apparatus 10 further includes: the switch module 114 and the switch module 114 are respectively connected to the transmission module 110 and the control module 112, and are configured to control the transmission module to start or stop transmitting the screen-projecting information in the first format or the video information in the second format.
The switch module is used for controlling the start or stop of transmission of screen projection information or video information. The switch module can be controlled by a form of a key, and a user can select to start or stop transmitting information by the key. In one embodiment, a switch button may be provided on the multifunction receiving device 10, the switch button corresponding to a switch module that controls the start of transmission of information when the switch button is pressed. The switch module is connected to the transmission module 110 and the control module 112.
Referring to fig. 3, in one embodiment, the multi-function receiving apparatus 10 further includes: and the switching module 116, the switching module 116 is respectively connected to the receiving module 102 and the control module 112, and is configured to control the receiving module to select to receive the screen projection information and/or the video information when the screen projection information and the video information are received simultaneously.
The switching module 116 is configured to control the received data information, and when there is both screen projection information and video information, the switching module 116 may select to receive the screen projection information or the video information, or certainly select to receive the screen projection information and the video information simultaneously, and then display the screen projection information and the video information simultaneously on the first terminal, that is, a split-screen simultaneous display mode may be adopted. The switching module 116 is connected to the receiving module 102 and also to the control module 112.
As shown in fig. 4, in one embodiment, a conferencing system is proposed, comprising: the multifunctional receiving device comprises a multifunctional receiving device 10, a first terminal 20 and a second terminal 30, wherein the multifunctional receiving device 10 is connected with the first terminal 20, and the multifunctional receiving device 10 is connected with the second terminal 30 through short-distance wireless communication.
In a scene of screen projection of a conference, the conference system only needs to include: a multi-function receiving apparatus 10, a first terminal 20, and a second terminal 30. The second terminal is a sending end and is used for sending screen projection information to the multifunctional receiving equipment 10, the multifunctional receiving equipment 10 is connected with the second terminal 30 through short-distance wireless communication, and the short-distance wireless communication is Bluetooth or WIFI and the like. The multifunctional receiving device 10 is configured to decode the received screen projection information to obtain screen projection information in a first format, and then transmit the screen projection information in the first format to the first terminal, so that the first terminal performs screen projection display.
As shown in fig. 5, in one embodiment, a conferencing system is proposed, comprising: the multifunctional receiving device 10 is connected with the first terminal 20, and the sending device 40 is connected with the second terminal 30 through an HDMI interface and a USB interface, and is used for receiving screen projection information transmitted by the second terminal, encoding the screen projection information, and sending data information obtained after encoding to the multifunctional receiving device.
In a scene of screen projection in a conference, a sending device 40 is connected to a sending end, that is, the second terminal 30, and the sending device 40 is connected to the second terminal 30 through an HDMI interface and a USB interface, so that any software needs to be installed in the second terminal, screen projection information can be transmitted to the sending device 40, the sending device 40 encodes the received screen projection information and then sends the encoded screen projection information to the multifunctional receiving device 10 connected to the sending device 40, the sending device 40 is connected to the multifunctional receiving device 10 through near field communication, that is, the sending device is connected through bluetooth or WIFI or the like, that is, wireless screen projection can be achieved without a network.
In one embodiment, there are one or more multi-function receiving devices 10, each of which is connected to a first terminal. When the multi-function receiving apparatus is plural, information displayed on screens of the plural first terminals is the same. Therefore, the same information can be projected to a plurality of first terminals.
In addition, when the first terminal displays the screen display information of the second terminal, the user can perform operations such as annotation and modification on the screen display information of the second terminal on the first terminal, the multifunctional receiving equipment receives the operation information of the operations such as annotation and modification performed by the user on the first terminal, sends the operation information to the second terminal, performs the same operation on the screen display information of the second terminal, achieves screen projection of the first terminal and the second terminal, and achieves interaction of the user and the second terminal through the screen of the first terminal.
As shown in fig. 6, in one embodiment, a conferencing system is proposed, comprising: the multifunctional receiving device comprises a multifunctional receiving device 10, a first terminal 20, a local second terminal 31, a remote second terminal 32 and a server 50, wherein the multifunctional receiving device 10 is connected with the first terminal 20, the remote second terminal 32 is connected with the server 50 through a network, the server 50 is connected with the multifunctional receiving device 10 through the network, and the local second terminal 31 is connected with the multifunctional receiving device 10 through near field communication.
In a scene that requires both local screen projection and remote video conference, the conference system includes the multifunctional receiving device 10, the first terminal 20, and the local second terminal 31, and further includes: a remote second terminal 32, a server 50. The transmission of remote video requires the participation of the server 50. The server 50 is configured to receive the video information transmitted from the second terminal and then transmit the received video information to the multi-function reception apparatus 10. The local second terminals 31 are one or more, and the remote second terminals 32 are one or more.
Referring to fig. 6, in one embodiment, the second terminal 30 may have two, a local second terminal 31 and a remote second terminal 32. The second terminal 31 may transmit screen information to the multi-function reception apparatus 10 by way of screen projection locally for presentation on the first terminal 20. The remote second terminal 32 transmits the video information to the multi-function reception apparatus 10 through the server 50 so as to display the remote video information on the first terminal 20. The second terminal may be a mobile phone, a computer, a television, etc.
Fig. 7 is a schematic diagram of a multifunctional receiving device according to a seventh embodiment of the present invention. As shown in fig. 7, the multifunction receiving apparatus 10 of this embodiment includes: a processor 70, a memory 71, and a computer program 72 stored in the memory 71 and executable on the processor 70, the computer program 72 may be divided into one or more modules/units, e.g., the respective modules in fig. 1, stored in the memory 71 and executed by the processor 70 to accomplish the present invention. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution of the computer program 72 in the receiving device 7.
Illustratively, the multi-function receiving device 10 may include, but is not limited to, a processor 70, a memory 71. Those skilled in the art will appreciate that fig. 7 is merely an example of a multi-function receiving device 10 and does not constitute a limitation of multi-function receiving device 10 and may include more or fewer components than shown, or some components may be combined, or different components, e.g., multi-function receiving device 10 may also include input-output devices, network access devices, buses, etc.
The Processor 70 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field-Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The storage 71 may be an internal storage unit of the multi-function reception apparatus 10, such as a hard disk or a memory of the multi-function reception apparatus 10. The memory 71 may also be an external storage device of the multifunctional receiving device 10, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like provided on the multifunctional receiving device 10. Further, the memory 71 may also include both an internal storage unit and an external storage device of the multifunction receiving device 10. The memory 71 is used to store the computer program and other programs and data required by the multifunction receiving device 10. The memory 71 may also be used to temporarily store data that has been output or is to be output.
It will be apparent to those skilled in the art that, for convenience and simplicity of description, the foregoing functional units and modules are merely illustrated in terms of division, and in practical applications, the foregoing functional allocation may be performed by different functional units and modules as needed, that is, the internal structure of the receiving device is divided into different functional units or modules to perform all or part of the above described functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. 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 embodiments provided by the present invention, it should be understood that the disclosed method and system can be implemented in other ways. For example, the above-described method and system embodiments are merely illustrative, and for example, the division of the modules or units is only one logical division, and there may be other divisions in actual implementation, 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 be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
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 can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated modules/units, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A multifunctional receiving apparatus, comprising: the multifunctional receiving equipment is connected with a first terminal through an HDMI interface and a USB interface;
the receiving module, the mode recognition module, the screen projection decoding module, the video decoding module and the transmission module are respectively connected with the control module;
the receiving module is configured to receive data information sent by a second terminal, where the data information includes: a data transmission mode;
the pattern recognition module is connected with the receiving module and used for recognizing a data transmission pattern in the data information to obtain a pattern recognition result;
the screen projection decoding module is connected with the mode identification module and is used for decoding screen projection information in the received data information to obtain target screen projection information when the mode identification result is a screen projection mode;
the video decoding module is connected with the mode identification module and used for decoding the video information in the received data information to obtain target video information when the mode identification result is a video mode;
the transmission module is connected with the screen projection decoding module and is used for transmitting the target screen projection information to the first terminal through the HDMI by adopting a first preset protocol so as to enable the first terminal to display the target screen projection information;
the transmission module is connected with the video decoding module and is used for transmitting the target video information to the first terminal through the HDMI by adopting a second preset protocol so as to enable the first terminal to display the target video information.
2. The multi-function receiving device of claim 1, wherein the receiving module comprises: the system comprises a remote wireless receiving module and a short-distance wireless receiving module, wherein the remote wireless receiving module is used for receiving data information which is sent by a second terminal through a server and contains video information, and the short-distance wireless receiving module is used for receiving the data information which is sent by the second terminal and contains screen projection information.
3. The multifunctional receiving device of claim 2, wherein the long-distance wireless receiving module is a mobile communication module, and the short-distance wireless receiving module is a bluetooth module or a WIFI module.
4. The multi-function reception apparatus according to claim 1, characterized by further comprising: the first format conversion module is respectively connected with the screen projection decoding module and the control module, and the second format conversion module is respectively connected with the video decoding module and the control module;
the first format conversion module is used for converting the format of the target screen projection information into a target screen projection format when the format of the target screen projection information obtained by decoding does not meet the preset format requirement;
and the second format conversion module is used for converting the format of the video screen projection information into a target video format when the format of the target video information obtained by decoding does not meet the preset format requirement.
5. The multi-function reception apparatus according to claim 1, characterized by further comprising: and the switch module is respectively connected with the transmission module and the control module and is used for controlling the transmission module to start or stop transmitting the screen projection information in the first format or the video information in the second format.
6. The multi-function reception apparatus according to claim 1, characterized by further comprising: and the switching module is respectively connected with the receiving module and the control module and is used for controlling the receiving module to select to receive the screen projection information and/or the video information when the screen projection information and the video information are simultaneously received.
7. The multifunctional receiving device according to claim 1, wherein the second predetermined protocol is an RTP protocol, and the first predetermined protocol is an airdelay protocol, a Chromecast protocol, a Miracast protocol, or a DLNA protocol.
8. A conferencing system, comprising: the multi-function receiving device of any one of claims 1 to 7, a first terminal, and a second terminal, the multi-function receiving device being connected with the first terminal, the multi-function receiving device being connected with the second terminal through short-range wireless communication.
9. A conferencing system, comprising: the multifunctional receiving device, the first terminal, the second terminal and the transmitting device according to any one of claims 1 to 7, wherein the multifunctional receiving device is connected to the first terminal, and the transmitting device is connected to the second terminal through an HDMI interface and a USB interface, and is configured to receive screen projection information transmitted by the second terminal, encode the screen projection information, and transmit data information obtained after encoding to the multifunctional receiving device.
10. A conferencing system, comprising: the multi-function reception apparatus of any one of claims 1 to 7, a first terminal, a local second terminal, a remote second terminal, and a server, the multi-function reception apparatus being connected to the first terminal, the remote second terminal being connected to the server through a network, the server being connected to the multi-function reception apparatus through a network, the local second terminal being connected to the multi-function reception apparatus through short-range wireless communication.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2020/076590 WO2021168649A1 (en) | 2020-02-25 | 2020-02-25 | Multifunctional receiving device and conference system |
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| CN111386700A true CN111386700A (en) | 2020-07-07 |
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| WO (1) | WO2021168649A1 (en) |
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| CN112040286A (en) * | 2020-08-25 | 2020-12-04 | 深圳创维－Rgb电子有限公司 | Screen projection device, control method and computer readable storage medium |
| CN112221116A (en) * | 2020-09-22 | 2021-01-15 | 上海视天科技有限公司 | Multifunctional handle and device comprising same |
| CN113612857A (en) * | 2021-09-08 | 2021-11-05 | 深圳市乐橙互联有限公司 | Transmission device, receiving device, information transmission system and information transmission method |
| CN115514917A (en) * | 2022-08-31 | 2022-12-23 | 深圳市智微智能科技股份有限公司 | Wireless video conference method and conference system for normalized conference |
| CN116170631A (en) * | 2023-02-03 | 2023-05-26 | 深圳华望技术有限公司 | Video camera integrated with wireless projection screen |
| WO2023103671A1 (en) * | 2021-12-08 | 2023-06-15 | 华为技术有限公司 | Conference equipment, data processing method, and conference system |
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