CN111107405A - Screen projection method, server, screen projection system and storage medium - Google Patents
Screen projection method, server, screen projection system and storage medium Download PDFInfo
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- CN111107405A CN111107405A CN201911373044.8A CN201911373044A CN111107405A CN 111107405 A CN111107405 A CN 111107405A CN 201911373044 A CN201911373044 A CN 201911373044A CN 111107405 A CN111107405 A CN 111107405A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/41415—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance involving a public display, viewable by several users in a public space outside their home, e.g. movie theatre, information kiosk
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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
- H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
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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
- H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
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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
- H04N21/43637—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
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- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
本发明涉及一种投屏方法、服务器、投屏系统和存储介质，该方法包括：移动终端扫描设备标识，以实现移动终端和投屏设备的绑定；移动终端向服务器发送投屏控制请求；服务器应用虚拟化投屏服务将投屏控制请求转化为投屏设备的控制命令；投屏设备获取并响应控制命令，以将移动终端的应用内容进行投屏。解决了现有投屏技术中需要专用投屏硬件的问题，消除了投屏中需要电视终端本身支持投屏功能的限制，另外，还解决了专用投屏硬件或电视终端数量过多时一对一发现的问题。
The invention relates to a screen projection method, a server, a screen projection system and a storage medium. The method includes: a mobile terminal scans a device identifier to realize the binding of the mobile terminal and the screen projection device; the mobile terminal sends a screen projection control request to the server; The server applies the virtualized screen projection service to convert the screen projection control request into the control command of the screen projection device; the screen projection device obtains and responds to the control command to project the application content of the mobile terminal to the screen. It solves the problem of the need for dedicated screen projection hardware in the existing screen projection technology, and eliminates the limitation that the TV terminal itself needs to support the screen projection function in the projection screen. In addition, it also solves the problem of one-to-one when there are too many dedicated screen projection hardware or TV terminals. problem dicovered.
Description
Technical Field
The invention relates to the technical field of screen projection, in particular to a screen projection method, a server, a screen projection system and a storage medium.
Background
Generally, the existing smart phone has functions of wireless screen projection or multi-screen interaction, and the like, so that application contents of the smart phone can be projected to other terminal devices such as a computer.
In the related art, a Streaming case screen projection scheme based on a DLNA (DIGITAL LIVING NETWORK ALLIANCE) protocol requires that a television terminal supports the DLNA protocol, or a screen projection device supporting dlnasscoring case is connected through an HDMI (High Definition Multimedia Interface) of the television terminal. However, in commercial scenes such as high-end hotels, most of the television terminals are of the brand of samsung, LG or Sony, and the like, and either the television terminals do not support DLNA or the DLNA protocol support is incomplete, and moreover, the product development is inconsistent due to the fact that the television terminals are adapted to various television brand terminals. In addition, in a commercial scene, the number of television terminals in the same local area network is too large, and the problem that the mobile phone of the client and the television terminals are found one to one needs to be solved.
Disclosure of Invention
In view of the above, a screen projection method, a server, a screen projection system, and a storage medium are provided to solve the problem that dedicated screen projection hardware is required in the existing screen projection technology, to eliminate the limitation that a television terminal needs to support a screen projection function in screen projection, and to solve the problem that the dedicated screen projection hardware or the television terminal is found one-to-one when the number of the dedicated screen projection hardware or the television terminal is too large.
The invention adopts the following technical scheme:
in a first aspect, an embodiment of the present application provides a screen projection method, where the method includes:
the mobile terminal scans equipment identification to realize the binding of the mobile terminal and the screen projection equipment;
the mobile terminal sends a screen projection control request to a server;
the server applies a virtual screen projection service to convert the screen projection control request into a control command of the screen projection equipment;
and the screen projection equipment acquires and responds to the control command so as to project the application content of the mobile terminal.
Further, the screen projection device acquiring the control command includes:
the screen projection equipment acquires the control command from the server through a hypertext transfer protocol; or, the screen projection equipment receives the control command sent by the server through a user datagram protocol.
Further, the screen projection equipment comprises a television or a set top box.
Further, the virtual screen projection service includes a device virtual screen projection service supporting a DLNA screen projection protocol.
Further, the virtualized screen projection service includes virtualization of a plurality of hardware terminals that support screen projection functionality.
Further, the device identifier includes a two-dimensional code or a bar code currently displayed by the device.
In a second aspect, an embodiment of the present application provides a server, where the server includes at least two network connection ports, where:
the first network connection port is used for connecting a guest network where the mobile terminal is located;
the second network connection port is used for connecting screen projection equipment, and the server receives a screen projection control request from the mobile terminal;
the server applies a virtual screen projection service to convert the screen projection control request into a control command of the screen projection equipment;
and the server sends the control command to the screen projection equipment so as to instruct the screen projection equipment to project the screen.
Further, the third network connection port is connected to the internet and is used for maintaining the server through the internet.
In a third aspect, an embodiment of the present application provides a screen projection system, where the screen projection system includes the mobile terminal and the screen projection device described in the first aspect of the embodiment of the present application, and the server described in the second aspect.
In a fourth aspect, an embodiment of the present application provides a storage medium, where the storage medium stores a computer program, and when the computer program is executed by a processor, the computer program implements the steps in the screen projection method according to the first aspect.
According to the technical scheme, the mobile terminal and the screen projection equipment are bound through the mobile terminal scanning equipment identification, so that the mobile terminal and the screen projection equipment are bound one to one, and one mobile terminal is ensured to find only one screen projection equipment; the mobile terminal sends a screen projection control request to the server; the server applies a virtual screen projection service to convert a screen projection control request into a control command of screen projection equipment; and the screen projection equipment acquires and responds to the control command so as to project the application content of the mobile terminal. By applying the virtual screen projection server, the screen projection has common adaptation, and screen projection can be realized without screen projection equipment with a screen projection function or special screen projection hardware. The problem that special screen projection hardware is needed in the existing screen projection technology is solved, the limitation that the television terminal needs to support the screen projection function in the screen projection is eliminated, and in addition, the problem that the special screen projection hardware or the television terminal is discovered one to one when the number of the television terminals is too large is also solved.
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 flowchart of a screen projection method according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a server according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a screen projection system suitable for use in the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Firstly, an applicable scene of the embodiment of the application is explained, if the current television terminal does not have a screen projecting function, screen projection hardware needs to be provided by a third party, for example, the television terminal can project a screen by using television hardware equipment, so that the screen projection does not have a general application. In addition, when a plurality of screen projection devices are arranged in the same local area network in a commercial scene, for example, in a hotel scene, the problem that one-to-one discovery of a guest mobile phone and a television terminal cannot be realized.
Examples
Fig. 1 is a flowchart of a screen projection method according to an embodiment of the present invention. Referring to fig. 1, the method may specifically include the following steps:
s101, the mobile terminal scans the device identification to achieve binding of the mobile terminal and the screen projection device.
Specifically, the applicable scene of the embodiment of the application is a commercial scene, for example, places such as hotels and nursing homes, and is different from a household scene, the number of screen projection devices in the scene is usually many, for example, each hotel room has one screen projection device, and 300 hotel rooms are taken as examples, so that the number of screen projection devices in one hotel is as many as 300, and the number of screen projection devices in the household scene is usually only 2-3, and a user can automatically judge which screen projection device to project a screen, so that the problem caused by excessive screen projection devices in the commercial scene does not exist. Taking a hotel scene as an example, the mobile terminal can be a mobile phone of a hotel guest, and the screen projection equipment can be a television terminal of a hotel room.
Firstly, a one-to-one connection between the mobile terminal and the screen projection device needs to be established, and optionally, the device identifier includes a two-dimensional code or a bar code displayed by the current device. In a specific application scenario, a display interface for scanning a code and projecting a screen is usually arranged on a television terminal, and a user can scan a two-dimensional code or a bar code on the display interface by using a mobile phone of the user so as to realize the binding of the mobile terminal and screen projecting equipment, so that one mobile terminal can only find one television or set top box.
S102, the mobile terminal sends a screen projection control request to the server.
Specifically, when the mobile terminal has a screen projection requirement, a screen projection control request may be sent to the server, and for example, the screen projection control request may be implemented by a user by starting a screen projection function of a corresponding application of the mobile phone. In a specific example, the screen-casting control request sent by the mobile terminal may be a DLNA screen-casting control request.
S103, the server applies the virtual screen projection service to convert the screen projection control request into a control command of the screen projection equipment.
Optionally, the virtualized screen-casting service includes a device virtualized screen-casting service supporting a DLNA screen-casting protocol. In the embodiment of the application, the virtual screen projection service can convert the screen projection control request of the mobile phone of the user into the control command of the screen projection equipment, so that the screen projection equipment can recognize and receive the control command. For example, taking a video as an example, the control command may be to play a certain video, or may be to pause or fast forward. In addition, the virtualized screen projection service in the embodiment of the application supports virtualization of a plurality of hardware terminals with screen projection functions.
And S104, the screen projection equipment acquires and responds to the control command so as to project the application content of the mobile terminal.
Specifically, after the screen projection device obtains the control command, information included in the control command, for example, screen projection content and a device identifier of the mobile terminal bound to the screen projection device, may be analyzed. Therefore, the application content of the mobile terminal bound one to one can be accurately projected on the screen projection device. In a specific example, the application may be a video application, an audio application, or other applications. And projecting the application content of the mobile terminal. In addition, the video application content of the mobile terminal is projected in a Streaming mode.
Optionally, the acquiring the control command by the screen projection device includes: the screen projection equipment acquires a control command from the server through a hypertext transfer protocol; or, the screen projection equipment receives a control command sent by the server through a user datagram protocol. The screen projection equipment acquires the control command in two modes, one mode is an active acquisition mode, and the other mode is a passive receiving mode. Specifically, the two modes have different transmission protocols, and in the first mode, a control command is actively acquired from a server through a hypertext transmission protocol; in the second mode, the server sends the control command to the screen projection device through a user datagram protocol.
According to the technical scheme, the mobile terminal and the screen projection equipment are bound through the mobile terminal scanning equipment identification, so that the mobile terminal and the screen projection equipment are bound one to one, and one mobile terminal is ensured to find only one screen projection equipment; the mobile terminal sends a screen projection control request to the server; the server applies a virtual screen projection service to convert a screen projection control request into a control command of screen projection equipment; and the screen projection equipment acquires and responds to the control command so as to project the application content of the mobile terminal. By applying the virtual screen projection server, the screen projection has common adaptation, and screen projection can be realized without screen projection equipment with a screen projection function or special screen projection hardware. The problem that special screen projection hardware is needed in the existing screen projection technology is solved, the limitation that the television terminal needs to support the screen projection function in the screen projection is eliminated, and in addition, the problem that the special screen projection hardware or the television terminal is discovered one to one when the number of the television terminals is too large is also solved.
In summary, the technical scheme of the embodiment of the application has the following beneficial effects that screen projection hardware is not needed, the DLNA protocol is realized through software, DLNA screen projection equipment is virtualized, that is, the television terminal does not need to support the DLNA protocol, and the requirement on the television terminal is reduced; the simple screen-projecting action control instruction protocol aiming at the television terminal is realized; in addition, screen projection can be realized in a uniform mode aiming at television terminals of various brands, and the method is particularly suitable for commercial scenes.
Fig. 2 is a schematic structural diagram of a server according to an embodiment of the present invention. Referring to fig. 2, the server may specifically include at least two network connection ports.
Wherein: the first network connection port 21 is used for connecting a guest network where the mobile terminal is located; the second network connection port 22 is used for connecting a screen projection device; the method comprises the steps that a server receives a screen projection control request from a mobile terminal; the server applies a virtual screen projection service to convert a screen projection control request into a control command of screen projection equipment; and the server sends the control command to the screen projection equipment so as to instruct the screen projection equipment to project the screen.
Specifically, since the application scenario of the embodiment of the application is generally a commercial scenario, taking a hotel as an example, the mobile terminal, for example, a mobile phone of a guest is generally in a guest network, and the screen projection device, for example, a television terminal of a hotel room is in a MYCOOL local area network. Therefore, the server comprises at least two network connection ports, and the first network connection port 21 is connected to a guest network where the mobile terminal is located; the second network connection port 22 is connected to a screen projection device.
In the actual application process, the server receives a screen projection control request from the mobile terminal; then, converting a screen projection control request into a control command of screen projection equipment by applying a virtual screen projection service; and sending the control command to the screen projection equipment to indicate the screen projection equipment to project the screen.
Optionally, the third network connection port 23 is connected to the internet, and is used for maintaining the server through the internet. In addition, in order to make the functions of the server more complete, the third network connection port 23 of the server is connected to the internet, so that the server can be periodically or periodically maintained.
The embodiment of the present application further provides a screen projection system, and referring to fig. 3, the screen projection system includes the mobile terminal 31, the screen projection device 32, and the server 20 in the embodiment of the present application. In the embodiment of the present application, the number of the network connection ports is at least two, and in fig. 3, three network connection ports are used as an example, which include a first network connection port 21, a second network connection port 22, and a third network connection port 23. Further, 33 and 34 denote switches for providing a guest network and a MYCOOL local area network, respectively. It should be noted that fig. 3 illustrates only three mobile terminals and three screen projection devices, and is not limited in particular.
The embodiment of the invention also provides a storage medium, wherein the storage medium stores a computer program, and when the computer program is executed by a processor, the steps in the screen projection method in the embodiment of the invention are realized; the mobile terminal scans the equipment identifier to realize the binding of the mobile terminal and the screen projection equipment; the mobile terminal sends a screen projection control request to the server; the server applies a virtual screen projection service to convert a screen projection control request into a control command of screen projection equipment; and the screen projection equipment acquires and responds to the control command so as to project the application content of the mobile terminal.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that the terms "first," "second," and the like in the description of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present invention, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
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| CN111966316A (en) * | 2020-08-25 | 2020-11-20 | 西安万像电子科技有限公司 | Image data display method and device, and image data display system |
| CN111966316B (en) * | 2020-08-25 | 2023-08-25 | 西安万像电子科技有限公司 | Image data display method and device, image data display system |
| CN112019900A (en) * | 2020-10-19 | 2020-12-01 | 深圳乐播科技有限公司 | DLNA (digital Living network alliance) -based screen projection method, system, equipment and storage medium |
| WO2022100308A1 (en) * | 2020-11-16 | 2022-05-19 | Oppo广东移动通信有限公司 | Information processing method and related apparatus |
| CN112417421A (en) * | 2020-11-26 | 2021-02-26 | 维沃移动通信有限公司 | Scanning method, apparatus, electronic device and readable storage medium |
| US20240422209A1 (en) * | 2020-12-04 | 2024-12-19 | Huawei Technologies Co., Ltd. | Content Sharing Method, Electronic Device, and Storage Medium |
| WO2022116930A1 (en) * | 2020-12-04 | 2022-06-09 | 华为技术有限公司 | Content sharing method, electronic device, and storage medium |
| US12309219B2 (en) * | 2020-12-04 | 2025-05-20 | Huawei Technologies Co., Ltd. | Content sharing method, electronic device, and storage medium |
| CN113676384A (en) * | 2021-07-26 | 2021-11-19 | 青岛海尔科技有限公司 | Method and device, server, and storage medium for device screen projection control |
| CN114153542A (en) * | 2021-11-30 | 2022-03-08 | 阿波罗智联(北京)科技有限公司 | Screen projection method and device, electronic equipment and computer readable storage medium |
| CN114268821A (en) * | 2021-12-22 | 2022-04-01 | 深圳创维－Rgb电子有限公司 | Remote screen projection method, device and computer-readable storage medium |
| CN119211039A (en) * | 2024-09-18 | 2024-12-27 | 北京比利信息技术有限公司 | Cloud screen projection method, device, system, and electronic device |
| CN119937956A (en) * | 2024-12-25 | 2025-05-06 | 浙江吉利控股集团有限公司 | Multi-device screen projection processing method, device, storage medium and vehicle |
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