CN112216094A - Screen projection control system and screen projection control method based on remote controller - Google Patents
Screen projection control system and screen projection control method based on remote controller Download PDFInfo
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- CN112216094A CN112216094A CN202011156513.3A CN202011156513A CN112216094A CN 112216094 A CN112216094 A CN 112216094A CN 202011156513 A CN202011156513 A CN 202011156513A CN 112216094 A CN112216094 A CN 112216094A
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000005266 casting Methods 0.000 claims description 17
- 238000013507 mapping Methods 0.000 claims description 17
- 230000000875 corresponding effect Effects 0.000 description 23
- 230000008569 process Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/04—Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
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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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
- H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
- H04N21/42221—Transmission circuitry, e.g. infrared [IR] or radio frequency [RF]
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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
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- Human Computer Interaction (AREA)
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Abstract
The invention discloses a screen-throwing control system and a screen-throwing control method based on a remote controller, wherein the screen-throwing control system comprises a sending terminal device, a receiving terminal device and the remote controller, wherein the sending terminal device is used for sending a screen-throwing request to a receiving terminal device, sending a screen-throwing file to the receiving terminal device after establishing screen-throwing connection with the receiving terminal device, the receiving terminal device is used for receiving the screen-throwing request sent by the sending terminal device, responding to the screen-throwing request, establishing screen-throwing connection with the sending terminal device and converting an infrared control instruction of the remote controller, and the remote controller is used for sending the infrared control instruction to the receiving terminal device and is matched with the receiving terminal device. The receiving end equipment of the screen projection control system can convert the infrared control signal of the remote controller, so that the screen projection file in the sending end equipment can be controlled only by using the remote controller of the receiving end equipment, the operation of a user on the screen projection file is facilitated, and the technical problem that the screen projection file in the prior art is inconvenient to control is solved.
Description
Technical Field
The invention relates to the technical field of screen projection, in particular to a screen projection control system and a screen projection control method based on a remote controller.
Background
The wireless screen projection technology is to transmit various multimedia information such as video, audio and documents in terminal equipment (computers, mobile phones, tablets and the like) to display equipment (televisions, projectors and the like) through a wireless network, so as to realize the instant synchronization of the current operation content on the terminal equipment to the display screen of the display equipment.
In the prior art, for a display device without a touch function, a user cannot perform reverse control operation on a sending terminal device through a screen of the display device after the user throws the screen, which is very inconvenient for the user to throw a screen of a document (such as PPT, Word and Excel).
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
The invention mainly aims to solve the technical problem that in the prior art, when the display equipment does not have a touch function, a user is difficult to perform inverse control operation on sending end equipment, so that the control is inconvenient when a document is displayed on a screen.
The invention provides a screen projection control system based on a remote controller, which comprises sending end equipment, receiving end equipment and a remote controller matched with the receiving end equipment;
the sending terminal equipment is used for sending a screen projection request to the receiving terminal equipment and sending a screen projection file to the receiving terminal equipment after establishing screen projection connection with the receiving terminal equipment;
the receiving end equipment is used for receiving a screen throwing request sent by the sending end equipment and responding to the screen throwing request to establish screen throwing connection with the sending end equipment;
the remote controller is used for sending an infrared control instruction to the receiving end equipment, the infrared control instruction is converted by the receiving end equipment and then sent to the sending end equipment, and a screen projection file in the sending end equipment is controlled to execute operation corresponding to the infrared control instruction.
Optionally, in the first embodiment of the first aspect of the present invention, the receiving end device is further configured to store a control instruction mapping table corresponding to the sending end device in a memory of the receiving end device in advance.
Optionally, in a second embodiment of the first aspect of the present invention, the receiving end device is further configured to search for a counter control instruction corresponding to the infrared control instruction according to the control instruction mapping table, and send the counter control instruction to the sending end device.
Optionally, in a third embodiment of the first aspect of the present invention, the sending end device and the receiving end device are connected in the same local area network environment.
Optionally, in a fourth embodiment of the first aspect of the present invention, the screen-casting file includes a document file, and the operation includes moving up, moving down, moving left, moving right, and turning pages.
In addition, the second aspect of the present invention further provides a screen projection control method based on a remote controller, the screen projection control method including:
sending a screen throwing request to receiving end equipment by sending end equipment;
the receiving end equipment receives the screen throwing request and establishes screen throwing connection with the sending end equipment;
the sending end equipment sends the screen-throwing file to the receiving end equipment for display;
sending an infrared control instruction to the receiving end equipment through a remote controller;
the receiving end equipment receives the infrared control instruction, converts the infrared control instruction and then sends the infrared control instruction to the sending end equipment;
and the sending terminal equipment controls the screen projection file to execute the operation corresponding to the infrared control instruction.
Optionally, in a first embodiment of the second aspect of the present invention, before sending the infrared control instruction to the receiving end device through the remote controller, the method includes:
and storing a control instruction mapping table corresponding to the sending end device in a memory of the receiving end device in advance.
Optionally, in a second embodiment of the second aspect of the present invention, the receiving end device receiving the infrared control instruction and converting the infrared control instruction and then sending the converted infrared control instruction to the sending end device includes:
after the receiving end equipment receives the infrared control instruction;
searching a counter control instruction corresponding to the infrared control instruction according to the control instruction mapping table;
and sending the counter control instruction to the sending end equipment.
Optionally, in a third embodiment of the second aspect of the present invention, before the sending end device sends the screen projection request to the receiving end device, the method includes:
and installing screen projection application in the sending end equipment and the receiving end equipment, and connecting the sending end equipment and the receiving end equipment in the same local area network environment.
Optionally, in a fourth embodiment of the second aspect of the present invention, the screen-shot file includes a document file, and the operation includes moving up, moving down, moving left, moving right, and turning pages.
Has the advantages that: the invention discloses a screen-throwing control system and a screen-throwing control method based on a remote controller, wherein the screen-throwing control system comprises a sending terminal device, a receiving terminal device and the remote controller, wherein the sending terminal device is used for sending a screen-throwing request to a receiving terminal device, sending a screen-throwing file to the receiving terminal device after establishing screen-throwing connection with the receiving terminal device, the receiving terminal device is used for receiving the screen-throwing request sent by the sending terminal device, responding to the screen-throwing request, establishing screen-throwing connection with the sending terminal device and converting an infrared control instruction of the remote controller, and the remote controller is used for sending the infrared control instruction to the receiving terminal device and is matched with the receiving terminal device. The receiving end equipment of the screen projection control system can convert the infrared control signal of the remote controller, so that the screen projection file in the sending end equipment can be controlled only by using the remote controller of the receiving end equipment, the operation of a user on the screen projection file is facilitated, and the technical problem that the screen projection file in the prior art is inconvenient to control is solved.
Drawings
FIG. 1 is a schematic diagram of a remote controller-based projection control system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an embodiment of a remote controller-based screen projection control method according to the present invention;
fig. 3 is a schematic view of an exemplary communication scenario of the remote controller-based screen projection control method according to the present invention.
Detailed Description
The embodiment of the invention provides a screen projection control system and a screen projection control method based on a remote controller.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that the embodiments described herein may be practiced otherwise than as specifically illustrated or described herein. Furthermore, the terms "comprises," "comprising," or "having," and any variations thereof, are intended to cover non-exclusive inclusions, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
For convenience of understanding, a detailed flow of an embodiment of the present invention is described below, and referring to fig. 1, a first aspect of the present invention provides a remote controller-based screen projection control system in an embodiment of the present invention, where the screen projection control system includes a sending end device 10, a receiving end device 20, and a remote controller 30 configured with the receiving end device 20;
the sending end device 10 is configured to send a screen-casting request to the receiving end device 20, and send a screen-casting file to the receiving end device 20 after establishing a screen-casting connection with the receiving end device 20;
the receiving end device 20 is configured to receive a screen-casting request sent by the sending end device 10, and respond to the screen-casting request to establish screen-casting connection with the sending end device 10;
the remote controller 30 is configured to send an infrared control instruction to the receiving end device 20, where the infrared control instruction is converted by the receiving end device 20 and then sent to the sending end device 10, and controls a screen-throwing file in the sending end device 10 to execute an operation corresponding to the infrared control instruction.
In this embodiment, the receiving end device 20 of the screen projection control system of the present invention can convert the infrared control signal of the remote controller 30, so that the screen projection file in the sending end device 10 can be controlled only by using the remote controller 30 of the receiving end device 20, which is convenient for the user to operate the screen projection file, and solves the technical problem of inconvenient control of the screen projection file in the prior art.
In an optional embodiment of the present invention, the remote controller 30 includes a universal remote controller, the remote controller 30 needs to learn about the remote controller 30 before sending an infrared control instruction to the receiving end device, specifically, the remote controller 30 enters a learning state to select a key to be learned to form a key sequence, then the remote controller 30 automatically generates a prompt of the key to be learned in a screen text display manner according to the key sequence, the remote controller 30 instructs to press a corresponding key by the remote controller 30 for the remote controller 30 to learn, the remote controller 30 learns after receiving the instruction of the key, and after a key is successfully learned, the remote controller 30 automatically prompts to press a corresponding second key by the remote controller 30 again to supply the remote controller 30 to learn a next key, thereby completing the adaptation between the remote controller 30 and the receiving end device 20.
In an optional implementation manner of the present invention, the receiving end device 20 is further configured to store a control instruction mapping table corresponding to the sending end device 10 in a memory of the receiving end device 10 in advance. In this embodiment, the counter control instruction corresponding to the sending end device is first obtained from the instruction library of the sending end device 10, and then the counter control instruction of the sending end device 10 is in one-to-one correspondence with the control instruction of the receiving end device 20, specifically, taking the sending end device 10 as a computer and the receiving end device 20 as a television as an example, the process of generating the control instruction mapping table may be to match and correspond the control instructions of the upper, lower, left and right keys of the television remote controller with the control instructions of the upper, lower, left and right keys of the computer keyboard, and then record the summarized correspondence to generate the control instruction mapping table. The control of the computer is completed.
In an optional implementation manner of the present invention, the receiving end device 20 is further configured to search for a counter control instruction corresponding to the infrared control instruction according to the control instruction mapping table, and send the counter control instruction to the sending end device 10. In this embodiment, the control instruction mapping table is connected to the control instruction library path of the sending end device 10 stored in the memory of the receiving end device 20, so that after the corresponding counter control instruction is found according to the control instruction mapping table, the counter control instruction of the sending end device 10 can be directly obtained according to the corresponding path, in another embodiment, the step of obtaining the counter control instruction can also be completed inside the sending end device 10, so that only the counter control instruction corresponding to the infrared control instruction needs to be obtained in the receiving end device 20, then the relevant information of the counter control instruction is sent to the sending end device 10, and the sending end device 10 loads the corresponding counter control instruction from the control instruction library stored in itself and executes the corresponding counter control instruction.
In an alternative embodiment of the present invention, the sending end device 10 and the receiving end device 20 are in the same lan environment. In this embodiment, the process of establishing the screen-casting connection between the sending end device 10 and the receiving end device 20 may be as follows, where the sending end device 10 searches for the receiving end device 20 in the local area network (including the WIFI network of the router), after obtaining the response information of the receiving end device 20, the sending end device 10 selects the searched receiving end device 20 as the screen-casting object, then the sending end device 10 sends a picture screen-casting request message to the selected receiving end device 20, and the receiving end device 20 needs to first determine whether to allow access, and if the access is allowed, complete negotiation of a data transmission port, and start transmission of a screen-casting file.
In an optional embodiment of the present invention, the screen-shot file comprises a document file, and the operation includes moving up, moving down, moving left, moving right, and turning pages. In this embodiment, the document file is transmitted to the receiving end device 20 in the form of a screen-recorded image, the display screen of the sending end device 10 is synchronized with the display screen of the receiving end device 20, and when the remote controller operates the document file opened in the sending end device 10, the screen-shot document in the receiving end device 20 is also updated synchronously.
In addition, referring to fig. 2, a second aspect of the present invention further provides a remote controller-based screen projection control method, including:
101. sending a screen throwing request to receiving end equipment by sending end equipment; the screen projection request comprises an equipment identifier of sending end equipment and an ID of receiving end equipment;
102. the receiving end equipment receives the screen throwing request and establishes screen throwing connection with the sending end equipment; before the screen projection connection is established, the receiving end equipment judges whether the sending end equipment is authentication equipment or not according to the equipment identification;
103. the sending end equipment sends the screen-throwing file to the receiving end equipment for display; in the step, the screen-cast file needs to be opened in the sending end device before being sent, and then is sent to the receiving end device in the form of a real-time interface image of the sending end device for display;
104. sending an infrared control instruction to the receiving end equipment through a remote controller; the infrared control instruction mainly comprises an infrared control instruction sent by the keys of the remote controllers such as an upper remote controller, a lower remote controller, a left remote controller, a right remote controller, a confirmation remote controller and the like;
105. the receiving end equipment receives the infrared control instruction, converts the infrared control instruction and then sends the infrared control instruction to the sending end equipment; after receiving the infrared control instruction, if the receiving end equipment is in a screen projection state, the receiving end equipment does not execute the infrared control instruction;
106. and the sending terminal equipment controls the screen projection file to execute the operation corresponding to the infrared control instruction. And after receiving the converted infrared control instruction, the sending end equipment controls the screen-casting file to realize corresponding action, and the process can be equivalent to the operation of a mouse or a keyboard connected with the sending end equipment on the screen-casting file in the sending end equipment.
In an optional implementation manner of the present invention, before sending the infrared control instruction to the receiving end device through the remote controller, the method includes:
and storing a control instruction mapping table corresponding to the sending end device in a memory of the receiving end device in advance. The control instruction mapping table is used for indicating the corresponding relation between the infrared control instruction of the remote controller and the inverse control instruction of the sending end equipment.
In an optional implementation manner of the present invention, the transmitting end device, after receiving the infrared control instruction conversion, includes:
after the receiving end equipment receives the infrared control instruction;
searching a counter control instruction corresponding to the infrared control instruction according to the control instruction mapping table;
and sending the counter control instruction to the sending end equipment.
In an optional implementation manner of the present invention, before the sending end device sends a screen projection request to a receiving end device, the sending end device includes:
and installing screen projection application in the sending end equipment and the receiving end equipment, and connecting the sending end equipment and the receiving end equipment in the same local area network environment. The screen projection application may be screen projection application software that can be downloaded from a network in the prior art, and the present invention is not limited herein.
In an optional embodiment of the present invention, the screen-shot file comprises a document file, and the operation includes moving up, moving down, moving left, moving right, and turning pages.
Referring to fig. 3, an exemplary implementation scenario of the remote controller-based screen projection control method according to the present invention is as follows, first, a screen projection application in a receiving end device (taking a television as an example) is opened, a remote controller event is subscribed, then, a screen projection application in a sending end device (taking a mobile phone and a computer as examples) is opened, a request is made to the receiving end device to start screen projection, the receiving end device returns a screen projection state to the sending end device after the screen projection connection is successful, the sending end device opens a document to be explained, then, the remote controller is used to control the receiving end device to reversely control the sending end device, the receiving end device receives a key event of the remote controller, converts the key event into a reverse control instruction of the receiving end device, and then transmits the reverse control instruction to the sending end device, controls the document explained on the sending end device to.
In summary, the present invention discloses a screen-projecting control system and a screen-projecting control method based on a remote controller, wherein the screen-projecting control system includes a sending terminal device for sending a screen-projecting request to a receiving terminal device, and sending a screen-projecting file to the receiving terminal device after establishing a screen-projecting connection with the receiving terminal device, the receiving terminal device for receiving the screen-projecting request sent by the sending terminal device, establishing a screen-projecting connection with the sending terminal device in response to the screen-projecting request, and converting an infrared control instruction of the remote controller, and the remote controller for sending the infrared control instruction to the receiving terminal device and being matched with the receiving terminal device. The receiving end equipment of the screen projection control system can convert the infrared control signal of the remote controller, so that the screen projection file in the sending end equipment can be controlled only by using the remote controller of the receiving end equipment, the operation of a user on the screen projection file is facilitated, and the technical problem that the screen projection file in the prior art is inconvenient to control is solved.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A screen projection control system based on a remote controller is characterized by comprising sending end equipment, receiving end equipment and the remote controller matched with the receiving end equipment;
the sending terminal equipment is used for sending a screen projection request to the receiving terminal equipment and sending a screen projection file to the receiving terminal equipment after establishing screen projection connection with the receiving terminal equipment;
the receiving end equipment is used for receiving a screen throwing request sent by the sending end equipment and responding to the screen throwing request to establish screen throwing connection with the sending end equipment;
the remote controller is used for sending an infrared control instruction to the receiving end equipment, the infrared control instruction is converted by the receiving end equipment and then sent to the sending end equipment, and a screen projection file in the sending end equipment is controlled to execute operation corresponding to the infrared control instruction.
2. The screen projection control system of claim 1, wherein the receiving end device is further configured to store a control instruction mapping table corresponding to the sending end device in a memory of the receiving end device in advance.
3. The screen projection control system of claim 2, wherein the receiving end device is further configured to search for a counter control instruction corresponding to the infrared control instruction according to the control instruction mapping table, and send the counter control instruction to the sending end device.
4. The screen-projection control system of claim 1, wherein the sending end device and the receiving end device are connected in the same local area network environment.
5. The screen projection control system of claim 1, wherein the screen projection file comprises a document file, and the operations comprise moving up, moving down, moving left, moving right, and turning pages.
6. A screen projection control method based on a remote controller is characterized by comprising the following steps:
sending a screen throwing request to receiving end equipment by sending end equipment;
the receiving end equipment receives the screen throwing request and establishes screen throwing connection with the sending end equipment;
the sending end equipment sends the screen-throwing file to the receiving end equipment for display;
sending an infrared control instruction to the receiving end equipment through a remote controller;
the receiving end equipment receives the infrared control instruction, converts the infrared control instruction and then sends the infrared control instruction to the sending end equipment;
and the sending terminal equipment controls the screen projection file to execute the operation corresponding to the infrared control instruction.
7. The screen projection control method of claim 6, wherein before sending the infrared control instruction to the receiving end device through the remote controller, the method comprises:
and storing a control instruction mapping table corresponding to the sending end device in a memory of the receiving end device in advance.
8. The screen projection control method of claim 7, wherein the step of receiving the infrared control instruction by the receiving end device and converting the infrared control instruction and sending the converted infrared control instruction to the sending end device comprises the steps of:
after the receiving end equipment receives the infrared control instruction;
searching a counter control instruction corresponding to the infrared control instruction according to the control instruction mapping table;
and sending the counter control instruction to the sending end equipment.
9. The screen-casting control method of claim 6, wherein before the sending end device sends the screen-casting request to the receiving end device, the method comprises:
and installing screen projection application in the sending end equipment and the receiving end equipment, and connecting the sending end equipment and the receiving end equipment in the same local area network environment.
10. The screen-casting control method of claim 6, wherein the screen-casting file comprises a document file, and the operation comprises moving up, moving down, moving left, moving right, and turning pages.
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| CN202011156513.3A CN112216094A (en) | 2020-10-26 | 2020-10-26 | Screen projection control system and screen projection control method based on remote controller |
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| CN202011156513.3A CN112216094A (en) | 2020-10-26 | 2020-10-26 | Screen projection control system and screen projection control method based on remote controller |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113515244A (en) * | 2021-03-24 | 2021-10-19 | 深圳乐播科技有限公司 | Screen-projection-based terminal remote control method, device, equipment and storage medium |
| CN114281288A (en) * | 2021-12-10 | 2022-04-05 | 海宁奕斯伟集成电路设计有限公司 | Screen projection processing method and device and electronic equipment |
| CN114466239A (en) * | 2022-01-30 | 2022-05-10 | 深圳创维－Rgb电子有限公司 | Screen projection control method and device, screen projector and computer readable storage medium |
| CN114567809A (en) * | 2022-02-28 | 2022-05-31 | 深圳创维－Rgb电子有限公司 | Screen projection control method and device, electronic equipment and readable storage medium |
| CN115174988A (en) * | 2022-06-24 | 2022-10-11 | 长沙联远电子科技有限公司 | Audio and video screen projection control method based on DLNA |
| WO2023078162A1 (en) * | 2021-11-02 | 2023-05-11 | 华为技术有限公司 | Control device switching system and control device switching method and device thereof |
| CN116208796A (en) * | 2022-12-30 | 2023-06-02 | 深圳创维－Rgb电子有限公司 | Screen projection control method, screen projection control device, processor and screen projection system |
| EP4325844A4 (en) * | 2021-05-31 | 2024-10-16 | Huawei Tech Co Ltd | Screen-projection reverse control method and device |
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