CN113515250A - Wireless screen transmission system and method for large screen and android of refrigerator - Google Patents
Wireless screen transmission system and method for large screen and android of refrigerator Download PDFInfo
- Publication number
- CN113515250A CN113515250A CN202110659506.3A CN202110659506A CN113515250A CN 113515250 A CN113515250 A CN 113515250A CN 202110659506 A CN202110659506 A CN 202110659506A CN 113515250 A CN113515250 A CN 113515250A
- Authority
- CN
- China
- Prior art keywords
- module
- android
- screen
- large screen
- refrigerator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000008569 process Effects 0.000 claims description 10
- 238000004088 simulation Methods 0.000 claims description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000009877 rendering Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
-
- 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
- H04L65/60—Network streaming of media packets
- H04L65/65—Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]
-
- 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
- H04L65/60—Network streaming of media packets
- H04L65/70—Media network packetisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
The invention relates to the technical field of large screens and wireless screen transmission of refrigerators, in particular to a wireless screen transmission system and a wireless screen transmission method for large screens and android of refrigerators, wherein the wireless screen transmission system comprises an android end module and a large screen end module; the android end module comprises a video acquisition module, an android display module, a client socket module and a simulated click module; the large screen end module comprises a service socket module, a decoder module, a renderer module, a large screen display module and an input module; the video acquisition module collects videos of the android display module and then transmits the videos to the client socket module, the client socket module sends video streams to the service socket module through an ABD command, and the service socket module sequentially transmits the received video data to the decoder module and the renderer module and finally transmits the video data to the large-screen display module; the input module receives an input instruction of a user and converts the input instruction into a control instruction to be transmitted to the service socket module, and the service socket module transmits the control instruction to the client socket module and finally transmits the control instruction to the simulated click module.
Description
Technical Field
The invention relates to the technical field of large screens and wireless screen transmission of refrigerators, in particular to a wireless screen transmission system and method for a large screen and an android of a refrigerator.
Background
The refrigerator embedded large screen is the current trend, the screen projection technology can increase the user experience, and the integration of household appliances is enriched. The large screen of the refrigerator replaces a computer in the screen projecting process, and meanwhile, the screen projecting system has the problems of complex operation and low encoding rate, and has great influence on playing movie and television play in the using process. According to refrigerator large-screen intelligence 5G technique, thing networking correlation technique and embedded hardware combine, with QT correlation technique stack like QT multithread, the multiprocess, network programming, QSS self-defined interface, audio and video basic knowledge, ffmpeg decoding, knowledge such as Opengl, realize showing tall and erect the view screen in real time, realize the touch operation of touch operation simulation cell-phone end through the refrigerator large-screen and through the refrigerator large-screen operation application of running on tall and erect, can effectively realize passing the screen based on tall and erect wireless, combine QT itself easily to customize the advantage of individualized interface, can also promote the performance and increase the functionality.
Disclosure of Invention
The invention aims to provide a wireless screen transmission system and method for a large screen of a refrigerator and an android, and aims to solve the problems that in the prior art, the data transmission speed between the large screen of the refrigerator and a mobile terminal is low and the stability is poor.
A wireless screen transmission system for a refrigerator large screen and an android comprises an android end module and a large screen end module;
the android terminal module comprises a video acquisition module, an android display module, a client socket module and a simulated click module;
the large screen end module comprises a service socket word module, a decoder module, a renderer module, a large screen display module and an input module;
the video acquisition module collects videos of the android display module and then transmits the videos to the client socket module, the client socket module sends video streams to the service socket module through an ABD command, and the service socket module sequentially transmits the received video data to the decoder module and the renderer module and finally transmits the video data to the large-screen display module;
the input module receives an input instruction of a user and converts the input instruction into a control instruction to be transmitted to the service socket module, and the service socket module transmits the control instruction to the client socket module through an ABD (asynchronous serial bus) command and finally transmits the control instruction to the click simulation module.
Preferably, the input module includes a mouse event module and a keyboard event module.
A wireless screen transmission method for a refrigerator large screen and an android device is used, and the wireless screen transmission system for the refrigerator large screen and the android device comprises the following steps:
s1, a video acquisition module of an android end collects display video content of the android end, transmits the display video content to a decoder and a renderer of a large-screen end for processing, and finally displays the display video content on a display screen of the large-screen end;
s2, a user inputs an instruction through a mouse or a keyboard of the large screen end, and the instruction is transmitted to the android end and executed in the android end.
Preferably, the android end and the large screen end perform information transmission through sockets.
Preferably, the information transmission of the android terminal and the large screen terminal uses an ABD instruction.
Preferably, when the application is run on the android terminal through the large screen terminal, the application is transferred to the android terminal by using the abd shell app _ process command when the large screen terminal application is started, and then the application is run on the background of the android terminal.
Preferably, during the screen projection process of the system, the video data is decoded and displayed.
Compared with the prior art, the QT interface used by the invention is realized, the interface of the user is very easy to customize by utilizing the advantages of the QT, the asynchronous programming of the signal slot mechanism based on the QT improves the performance, the delay is low, and the cpu occupancy rate is low; video rendering uses gpu (opengl) high resolution, functionally low latency, high resolution, and video resolution can be adjusted to support the original resolution of the Android terminal.
Drawings
Fig. 1 is a schematic diagram of a wireless screen transmission system according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments below:
a wireless screen transmission system for a refrigerator large screen and an android comprises an android end module and a large screen end module;
the android terminal module comprises a video acquisition module, an android display module, a client socket module and a simulated click module;
the large screen end module comprises a service socket word module, a decoder module, a renderer module, a large screen display module and an input module;
the video acquisition module collects videos of the android display module and then transmits the videos to the client socket module, the client socket module sends video streams to the service socket module through an ABD command, and the service socket module sequentially transmits the received video data to the decoder module and the renderer module and finally transmits the video data to the large-screen display module;
the input module receives an input instruction of a user and converts the input instruction into a control instruction to be transmitted to the service socket module, and the service socket module transmits the control instruction to the client socket module through an ABD (asynchronous serial bus) command and finally transmits the control instruction to the click simulation module.
The input module comprises a mouse event module and a keyboard event module.
A wireless screen transmission method for a refrigerator large screen and an android device is used, and the wireless screen transmission system for the refrigerator large screen and the android device comprises the following steps:
s1, a video acquisition module of an android end collects display video content of the android end, transmits the display video content to a decoder and a renderer of a large-screen end for processing, and finally displays the display video content on a display screen of the large-screen end;
s2, a user inputs an instruction through a mouse or a keyboard of the large screen end, and the instruction is transmitted to the android end and executed in the android end.
And the android end and the large screen end carry out information transmission through sockets.
And the information transmission of the android terminal and the large screen terminal uses an ABD instruction.
When the application is run on the android end through the large screen end, the abd shell app _ process command is used, so that when the application on the large screen end is started, the application is transferred to the android end and then runs on the background of the android end.
And in the screen projection process of the system, decoding and displaying the video data.
The method comprises the steps that firstly, normal use of a large screen in a refrigerator is achieved through the combination of the Internet of things and a 5G technology and embedded hardware, a video acquisition module of a rear android end acquires an android screen in real time and sends video streams through a client by means of an ABD command, a server of the large screen end of the refrigerator receives video data, then the video data is transmitted to a decoder module to be decoded and transmitted to a renderer module, and the video data is displayed on the screen by the renderer module. QDoseEvent and QKeyEvent at the large screen end of the refrigerator receive data input by a user, convert the data into control commands and send the control commands to the server, and send the control commands to the client through ABD commands and then send the control commands to the android simulated click module for control. The rendering module uses opengl, the decoding module uses ffmpeg, and the client and the receiving end use QT-based qtcpcester and qtcpplier. When the application is run on an android through the large screen end, the android application can be transferred to an android mobile phone when the application on the large screen of the refrigerator is started according to the abd shell app _ process command, and then the application is run on the background. Meanwhile, in order to avoid unnecessary buffering and reduce delay in the screen projection process of the system, network programming knowledge is required to be applied to compile decoding and display of videos.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.
Claims (7)
1. A wireless screen transmission system for a refrigerator large screen and an android is characterized by comprising an android end module and a large screen end module;
the android terminal module comprises a video acquisition module, an android display module, a client socket module and a simulated click module;
the large screen end module comprises a service socket word module, a decoder module, a renderer module, a large screen display module and an input module;
the video acquisition module collects videos of the android display module and then transmits the videos to the client socket module, the client socket module sends video streams to the service socket module through an ABD command, and the service socket module sequentially transmits the received video data to the decoder module and the renderer module and finally transmits the video data to the large-screen display module;
the input module receives an input instruction of a user and converts the input instruction into a control instruction to be transmitted to the service socket module, and the service socket module transmits the control instruction to the client socket module through an ABD (asynchronous serial bus) command and finally transmits the control instruction to the click simulation module.
2. The wireless screen transmission system for the refrigerator large screen and the android as claimed in claim 1, wherein the input module comprises a mouse event module and a keyboard event module.
3. A wireless screen transmission method for a refrigerator large screen and an android, which uses the wireless screen transmission system for the refrigerator large screen and the android according to any one of claims 1-2, and comprises the following steps:
s1, a video acquisition module of an android end collects display video content of the android end, transmits the display video content to a decoder and a renderer of a large-screen end for processing, and finally displays the display video content on a display screen of the large-screen end;
s2, a user inputs an instruction through a mouse or a keyboard of the large screen end, and the instruction is transmitted to the android end and executed in the android end.
4. The wireless screen transmission method for the large screen and the android of the refrigerator according to claim 3, wherein the android end and the large screen end perform information transmission through a socket.
5. The wireless screen transmission method for the large screen and the android of the refrigerator according to claim 3, wherein the information transmission of the android terminal and the large screen terminal uses an ABD instruction.
6. The wireless screen transmission method for the large screen and the android of the refrigerator as claimed in claim 3, wherein when the application is run on the android terminal through the large screen terminal, the abd shell app _ process command is used, so that when the application on the large screen terminal is started, the application is transferred to the android terminal and then runs on the background of the android terminal.
7. The wireless screen transmission method for the large screen and the android of the refrigerator as claimed in claim 3, wherein in a screen projection process of a system, video data are decoded and displayed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110659506.3A CN113515250A (en) | 2021-06-10 | 2021-06-10 | Wireless screen transmission system and method for large screen and android of refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110659506.3A CN113515250A (en) | 2021-06-10 | 2021-06-10 | Wireless screen transmission system and method for large screen and android of refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113515250A true CN113515250A (en) | 2021-10-19 |
Family
ID=78065486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110659506.3A Pending CN113515250A (en) | 2021-06-10 | 2021-06-10 | Wireless screen transmission system and method for large screen and android of refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113515250A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100283573A1 (en) * | 2009-05-11 | 2010-11-11 | Yum Kwanho | Mobile terminal, operating method thereof, and refrigerator |
| CN102937366A (en) * | 2012-11-06 | 2013-02-20 | 澳柯玛股份有限公司 | Intelligent refrigerator and menu recommending implementation method of thereof |
| CN103414894A (en) * | 2013-07-29 | 2013-11-27 | 上海凯统信息科技有限公司 | Wireless real-time screen transfer equipment and method |
| CN104391695A (en) * | 2014-11-06 | 2015-03-04 | 北京凌阳益辉科技有限公司 | Method for performing synchronous control through external equipment and device thereof |
| CN106440615A (en) * | 2016-11-16 | 2017-02-22 | 四川长虹电器股份有限公司 | Refrigerator with function of displaying messages of mobile terminals in real time |
| CN106713087A (en) * | 2016-12-30 | 2017-05-24 | 佛山市小鲜互联电器科技有限公司 | Remote control system of refrigerator video contents |
| CN106851145A (en) * | 2017-01-20 | 2017-06-13 | 广州指观网络科技有限公司 | It is wireless to throw screen system and method |
| US20180187969A1 (en) * | 2017-01-03 | 2018-07-05 | Samsung Electronics Co., Ltd. | Refrigerator |
| CN108536491A (en) * | 2018-02-07 | 2018-09-14 | 武汉光庭信息技术股份有限公司 | A kind of processing method and system of mobile unit Reverse Turning Control Android mobile terminal |
| CN110996019A (en) * | 2019-12-25 | 2020-04-10 | 深圳市创维群欣安防科技股份有限公司 | Screen projection method and system based on wireless transmission and storage medium |
| CN111601120A (en) * | 2020-04-21 | 2020-08-28 | 江苏大学 | Wireless screen transmission display system and display method |
-
2021
- 2021-06-10 CN CN202110659506.3A patent/CN113515250A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100283573A1 (en) * | 2009-05-11 | 2010-11-11 | Yum Kwanho | Mobile terminal, operating method thereof, and refrigerator |
| CN102937366A (en) * | 2012-11-06 | 2013-02-20 | 澳柯玛股份有限公司 | Intelligent refrigerator and menu recommending implementation method of thereof |
| CN103414894A (en) * | 2013-07-29 | 2013-11-27 | 上海凯统信息科技有限公司 | Wireless real-time screen transfer equipment and method |
| CN104391695A (en) * | 2014-11-06 | 2015-03-04 | 北京凌阳益辉科技有限公司 | Method for performing synchronous control through external equipment and device thereof |
| CN106440615A (en) * | 2016-11-16 | 2017-02-22 | 四川长虹电器股份有限公司 | Refrigerator with function of displaying messages of mobile terminals in real time |
| CN106713087A (en) * | 2016-12-30 | 2017-05-24 | 佛山市小鲜互联电器科技有限公司 | Remote control system of refrigerator video contents |
| US20180187969A1 (en) * | 2017-01-03 | 2018-07-05 | Samsung Electronics Co., Ltd. | Refrigerator |
| CN106851145A (en) * | 2017-01-20 | 2017-06-13 | 广州指观网络科技有限公司 | It is wireless to throw screen system and method |
| CN108536491A (en) * | 2018-02-07 | 2018-09-14 | 武汉光庭信息技术股份有限公司 | A kind of processing method and system of mobile unit Reverse Turning Control Android mobile terminal |
| CN110996019A (en) * | 2019-12-25 | 2020-04-10 | 深圳市创维群欣安防科技股份有限公司 | Screen projection method and system based on wireless transmission and storage medium |
| CN111601120A (en) * | 2020-04-21 | 2020-08-28 | 江苏大学 | Wireless screen transmission display system and display method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108337545B (en) | Media playback apparatus and media service apparatus for synchronously reproducing video and audio | |
| US20060037053A1 (en) | Dynamically generating video streams for user interfaces based on device capabilities | |
| CN108337560B (en) | Media playback device and media serving device for playing media on a web browser | |
| CN104660687A (en) | Realization method and system for virtual desktop display | |
| CN114125558B (en) | Linux desktop video card-based android video decoding hardware acceleration method | |
| KR20080089134A (en) | System and method for remote control | |
| CN111221491A (en) | Interaction control method and device, electronic equipment and storage medium | |
| CN105518614A (en) | Screencasting for multi-screen applications | |
| CN103688240A (en) | Method for transmitting digital scene description data and transmitter and receiver scene processing device | |
| WO2020098504A1 (en) | Video switching control method and display device | |
| AU2010260683A1 (en) | Apparatus and method for transmitting and receiving a user interface in a communication system | |
| CN102801941A (en) | Embedded type wireless projection access device | |
| CN114073098B (en) | Streaming media synchronization method and display device | |
| CN113407142A (en) | Display device and screen projection method | |
| CN112486487A (en) | Fast development method based on SoC NVR display system | |
| KR101630638B1 (en) | System and Method for operating application based Presentation Virtualization | |
| EP2953370A1 (en) | Minimizing input lag in a remote GUI TV application | |
| CN114302176A (en) | Video playing method and device | |
| CN111935510B (en) | Double-browser application loading method and display equipment | |
| CN113515250A (en) | Wireless screen transmission system and method for large screen and android of refrigerator | |
| Hou et al. | A cloud gaming system based on NVIDIA GRID GPU | |
| CN103974062A (en) | Image display device, image display system and image display method | |
| CN114339415B (en) | Client video playing method and device, electronic equipment and readable medium | |
| US11735142B2 (en) | Synchronization techniques in split rendering | |
| TWI814134B (en) | Remote rendering system, method and device based on virtual mobile architecture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |