CN112040286A - Screen projection device, control method and computer readable storage medium - Google Patents
Screen projection device, control method and computer readable storage medium Download PDFInfo
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- CN112040286A CN112040286A CN202010876001.8A CN202010876001A CN112040286A CN 112040286 A CN112040286 A CN 112040286A CN 202010876001 A CN202010876001 A CN 202010876001A CN 112040286 A CN112040286 A CN 112040286A
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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 or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network
- H04N21/43637—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
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- Engineering & Computer Science (AREA)
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- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The invention provides a screen projection device, a control method and a computer readable storage medium, wherein the device comprises a wireless communication module, a processor module and a signal output module, wherein the wireless communication module is used for carrying out wireless communication with a screen projection terminal, receiving screen projection data sent by the screen projection terminal and sending the screen projection data to the processor module; the processor module is used for receiving screen projection data sent by the wireless communication module and sending display data obtained according to the screen projection data to the signal output module; the signal output module is used for receiving the display data sent by the processor module and sending the display data to a display terminal so that the display terminal can display according to the display data. By converting the screen projection data of the mobile phone into the display data of the display terminal, the television without the wireless screen projection function can also realize the wireless screen projection function.
Description
Technical Field
The invention relates to the field of terminal display, in particular to a screen projection device, a control method and a computer readable storage medium.
Background
With the development of smart televisions, most televisions can watch videos through mobile phone screen projection, however, for televisions with earlier production time, the screen projection function cannot be realized.
Disclosure of Invention
The invention mainly aims to provide a screen projection device, a control method and a computer readable storage medium, and aims to solve the problem that part of televisions in the prior art cannot realize the screen projection function.
In order to achieve the above object, the present invention provides a screen projection device, which includes a wireless communication module, a processor module and a signal output module, wherein the wireless communication module is wirelessly connected to a screen projection terminal, the wireless communication module is communicatively connected to the processor module, an output end of the processor module is connected to an input end of the signal output module, and an output end of the signal output module is connected to a display terminal, wherein:
the wireless communication module is used for carrying out wireless communication with a screen projection terminal, receiving screen projection data sent by the screen projection terminal and sending the screen projection data to the processor module;
the processor module is used for receiving screen projection data sent by the wireless communication module and sending display data obtained according to the screen projection data to the signal output module;
the signal output module is used for receiving the display data sent by the processor module and sending the display data to a display terminal so that the display terminal can display according to the display data.
Optionally, the wireless communication module is a bluetooth module.
Optionally, the signal output unit is a color difference component interface, and the processor module is configured to send a YPbPr image signal obtained after performing data processing on the screen projection data to the color difference component interface.
Optionally, the device further comprises a power supply module, an input end of the power supply module is connected with a power supply, an output end of the power supply module is respectively connected with a power end of the wireless communication module and a power end of the processor module,
and the power supply module is used for converting the voltage input by the power supply into working voltages respectively corresponding to the wireless communication module and the processor module and then correspondingly outputting the voltage to the wireless communication module and the processor module.
In order to achieve the above object, the present invention further provides a control method of a screen projection apparatus, the method being applied to the screen projection apparatus as described above, the method comprising the steps of:
screen projection data sent by the screen projection terminal are received through a wireless communication module, and the screen projection data are sent to the processor module;
receiving screen projection data sent by the wireless communication module through a processor module, and sending display data obtained according to the screen projection data to the signal output module;
and receiving the display data sent by the processor module through a signal output module, and sending the display data to a display terminal so that the display terminal displays according to the display data.
Optionally, the step of receiving, by the wireless communication module, screen projection data sent by the screen projection terminal and sending the screen projection data to the processor module includes:
receiving a pairing request of a screen projection terminal through a wireless communication module;
and sending a pairing agreement instruction to the screen projection terminal through a wireless communication module so as to be in wireless connection with the screen projection terminal.
Optionally, the step of receiving, by the processor module, the screen projection data sent by the wireless communication module, and sending the display data obtained according to the screen projection data to the signal output module includes:
receiving screen projection data which are sent by the wireless communication module and contain a play address through a processor module;
acquiring media data according to the playing address;
and sending display data obtained after the media data is subjected to data processing to the signal output module.
Optionally, the method further comprises:
when the wireless communication module receives a control instruction sent by a screen projection terminal, the control instruction is sent to the processor module;
and the processor module adjusts the display data according to the received control instruction and sends the adjusted display data to the display terminal through the signal output module.
Optionally, the method further comprises:
monitoring the connection state of the display terminal in real time through a signal output module;
when the signal output module detects that the connection with the display terminal is disconnected, a fault signal is sent to the processor module;
the processor module sends fault information to the wireless communication module when receiving the fault signal;
and the wireless communication module sends the received fault information to the screen projection terminal.
To achieve the above object, the present invention further provides a computer-readable storage medium having a computer program stored thereon, where the computer program is executed by a processor to implement the steps of the screen projecting device control method as described above.
The invention provides a screen projection device, a control method and a computer readable storage medium, wherein the device comprises a wireless communication module, a processor module and a signal output module, the wireless communication module is wirelessly connected with a screen projection terminal, the wireless communication module is in communication connection with the processor module, the output end of the processor module is connected with the input end of the signal output module, and the output end of the signal output module is connected with a display terminal, wherein: the wireless communication module is used for carrying out wireless communication with a screen projection terminal, receiving screen projection data sent by the screen projection terminal and sending the screen projection data to the processor module; the processor module is used for receiving screen projection data sent by the wireless communication module and sending display data obtained according to the screen projection data to the signal output module; the signal output module is used for receiving the display data sent by the processor module and sending the display data to a display terminal so that the display terminal can display according to the display data. By converting the screen projection data of the mobile phone into the display data of the display terminal, the television without the wireless screen projection function can also realize the wireless screen projection function.
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 structures shown in the drawings without creative efforts.
FIG. 1 is a block diagram of a projection device according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating a first exemplary embodiment of a method for controlling a projection device according to the present invention;
FIG. 3 is a detailed flowchart of step S10 of the screen projection apparatus control method according to the second embodiment of the present invention;
fig. 4 is a detailed flowchart of step S20 of the screen projection device control method according to the third embodiment of the present invention.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
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. It should be noted that all directional indicators (such as up, down, left, right, front, and back) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a screen projection device, referring to fig. 1, fig. 1 is a module schematic diagram of the screen projection device of the invention, the device comprises a wireless communication module 100, a processor module 200 and a signal output module 300, the wireless communication module 100 is wirelessly connected with a screen projection terminal, the wireless communication module 100 is communicatively connected with the processor module 200, the output end of the processor module 200 is connected with the input end of the signal output module 300, the output end of the signal output module 300 is connected with a display terminal, wherein:
the wireless communication module 100 is configured to perform wireless communication with a screen projection terminal, receive screen projection data sent by the screen projection terminal, and send the screen projection data to the processor module 200;
the processor module 200 is configured to receive screen projection data sent by the wireless communication module 100, and send display data obtained according to the screen projection data to the signal output module 300;
the signal output module 300 is configured to receive the display data sent by the processor module 200, and send the display data to a display terminal, so that the display terminal displays the display data.
The screen projection terminal can be an intelligent terminal with a wireless function, such as a mobile phone and a tablet computer. The wireless screen projection module can comprise a WiFi module, a Bluetooth module and/or a zigbee module and the like. The signal output module 300 may include an HDMI interface, a color difference component interface, an AV interface, and/or a CVBS interface, etc.
The processor module 200 includes a memory that can be used to store software programs as well as various data. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function, and the like; the storage data area may include a database, and the storage data area may store data or information created according to use of the system, or the like. In addition, the memory 20 may include a high-speed random access memory, and may further include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state storage device, and the processor module 200 is a control center of the screen projection apparatus, connects various portions of the entire screen projection apparatus using various interfaces and lines, and performs various functions of the screen projection apparatus and processes data by running or executing software programs and/or modules stored in the memory, and calling up data stored in the memory, thereby performing overall monitoring of the screen projection apparatus. Processor module 200 may include one or more processing units; alternatively, the processor module 200 may integrate an application processor, which primarily handles operating systems, user interfaces, applications, etc., and a modem processor, which primarily handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor module 200.
Although not shown in fig. 1, the screen projection device may further include a circuit control module, which is used for connecting with a power supply to ensure the normal operation of other components. It will be appreciated by a person skilled in the art that the construction of the projection device shown in fig. 1 does not constitute a limitation of the projection device, and that it may comprise more or less components than those shown, or some components may be combined, or a different arrangement of components.
The screen projection device may further include an ethernet interface.
In this embodiment, the screen projection data of the mobile phone is converted into the display data of the display terminal, so that the television without the wireless screen projection function can also realize the wireless screen projection function.
Further, the wireless communication module 100 is a bluetooth module.
Relatively speaking, through bluetooth and throw the screen terminal and be connected, cost and consumption are lower, and stability is higher moreover.
Further, the signal output unit is a color difference component interface, and the processor module 200 is configured to send, to the color difference component interface, a YPbPr image signal obtained after performing data processing on the screen projection data.
Considering that most of the traditional televisions are provided with the color difference component interfaces, the color difference component interfaces can cover consumers to a greater extent.
Further, the device also comprises a power supply module, wherein the input end of the power supply module is connected with a power supply, the output end of the power supply module is respectively connected with the power supply end of the wireless communication module 100 and the power supply end of the processor module 200,
the power supply module is configured to convert a voltage input by a power supply into a working voltage corresponding to each of the wireless communication module 100 and the processor module 200, and then output the voltage to each of the wireless communication module 100 and the processor module 200.
The power supply module may include a voltage reduction unit and a voltage stabilization unit, an input end of the voltage reduction unit is connected to an input end of the power supply, an output end of the voltage reduction unit is connected to an input end of the voltage stabilization unit, and an output end of the voltage stabilization unit is respectively connected to a power supply end of the wireless communication module 100 and a power supply end of the processor module 200.
The invention provides a control method of a screen projection device, and referring to fig. 2, fig. 2 is a schematic flow chart of a first embodiment of the control method of the screen projection device, and the method comprises the following steps:
step S10, screen projection data sent by the screen projection terminal is received through a wireless communication module, and the screen projection data are sent to the processor module;
step S20, receiving screen projection data sent by the wireless communication module through a processor module, and sending display data obtained according to the screen projection data to the signal output module;
and step S30, receiving the display data sent by the processor module through a signal output module, and sending the display data to a display terminal so that the display terminal displays according to the display data.
In this embodiment, the screen projection data of the mobile phone is converted into the display data of the display terminal, so that the television without the wireless screen projection function can also realize the wireless screen projection function.
Further, referring to fig. 3, in the second embodiment of the control method for a screen projection apparatus according to the present invention proposed based on the first embodiment of the present invention, the step S10 includes the steps of:
step S11, receiving a pairing request of the screen projection terminal through the wireless communication module;
and step S12, sending an agreement pairing instruction to the screen projection terminal through the wireless communication module so as to be in wireless connection with the screen projection terminal.
The wireless communication module keeps an open state when the screen projection device is started, so that a user can search the wireless communication module through the screen projection terminal, when the user searches the wireless communication module through the screen projection terminal, a pairing request can be sent to the wireless communication module, and after receiving the pairing request, the wireless communication module sends a pairing agreement instruction to the screen projection terminal so as to be in wireless connection with the screen projection terminal. Further, a wireless communication start button may be provided, and the wireless communication module is started when the wireless communication start button is pressed, and is turned off when the wireless communication module is not connected to another terminal for a preset time.
In the embodiment, the wireless communication module is used for receiving the pairing request of the screen projection terminal, and the wireless communication module is used for sending the pairing agreement instruction to the screen projection terminal so as to be wirelessly connected with the screen projection terminal, thereby meeting the wireless connection requirement of a user.
Further, referring to fig. 4, in a third embodiment of the control method for a screen projection apparatus according to the present invention proposed based on the first embodiment of the present invention, the step S20 includes the steps of:
step S21, screen projection data containing a play address and sent by the wireless communication module is received through the processor module;
step S22, acquiring media data according to the playing address;
step S23, sending the display data obtained after the data processing is performed on the media data to the signal output module.
The playing address can be an address used for carrying out data transmission with the screen projection terminal, and can also be a network address of media data sent by the screen projection terminal, and after the processor module receives the playing address, the processor module accesses the internet through the Ethernet interface and acquires the media data according to the playing address.
In the embodiment, the media data is acquired through the playing address, and the display data obtained after the media data is subjected to data processing is sent to the signal output module, so that the screen projection requirement of a user is met.
Further, in a fourth embodiment of the control method for a screen projecting device according to the present invention based on the first embodiment of the present invention, the method further includes:
step S40, when the wireless communication module receives a control instruction sent by a screen projection terminal, the control instruction is sent to the processor module;
and step S50, adjusting the display data according to the received control instruction through the processor module, and sending the adjusted display data to the display terminal through the signal output module.
The user can control the screen projection content on the screen projection terminal, such as fast forward, volume or the next program, and the processor module correspondingly adjusts the display data to meet the control requirement of the user when receiving the control instruction. Furthermore, when the screen projection device directly receives the video stream sent by the screen projection terminal, the user can also adjust the selection operation in the screen projection terminal, after the adjustment is performed on the screen projection terminal, the adjusted display data is directly sent to the screen projection terminal, and the screen projection terminal directly displays the received display data.
In this embodiment, the processor module adjusts the display data according to the received control instruction, and sends the adjusted display data to the display terminal through the signal output module, so that the widened application function of the screen projection device is achieved.
Further, in a fifth embodiment of the control method for a screen projecting device according to the present invention based on the first embodiment of the present invention, the method further includes:
step S60, monitoring the connection state of the display terminal in real time through the signal output module;
step S70, when the signal output module detects that the connection with the display terminal is disconnected, a fault signal is sent to the processor module;
step S80, the processor module sends fault information to the wireless communication module when receiving the fault signal;
and step S90, the wireless communication module sends the received fault information to the screen projection terminal.
Since the screen projection device and the display terminal are connected through the interface in a hardware manner, poor contact or disconnection caused by external force may occur, and therefore, the connection state of the screen projection device and the display terminal needs to be continuously detected.
In the embodiment, the connection state of the display terminal is monitored in real time through the signal output module, and when the disconnection with the display terminal is detected, the fault information is sent to the wireless communication module, so that the fault reason of a user can be reminded, and the user can perform troubleshooting in time.
The invention also proposes a computer-readable storage medium on which a computer program is stored. The computer-readable storage medium may be at least one of a ROM (Read-Only Memory)/RAM (Random Access Memory), a magnetic disk, and an optical disk, and includes instructions for enabling a terminal device (which may be a television, an automobile, a mobile phone, a computer, a server, a terminal, or a network device) having a processor to execute the method according to the embodiments of the present invention.
In the present invention, the terms "first", "second", "third", "fourth" and "fifth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and those skilled in the art can understand the specific meanings of the above terms in the present invention according to specific situations.
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 are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although the embodiment of the present invention has been shown and described, the scope of the present invention is not limited thereto, it should be understood that the above embodiment is illustrative and not to be construed as limiting the present invention, and that those skilled in the art can make changes, modifications and substitutions to the above embodiment within the scope of the present invention, and that these changes, modifications and substitutions should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a throw screen device, its characterized in that, the device includes wireless communication module, processor module and signal output module, wireless communication module with throw screen terminal wireless connection, wireless communication module with processor module communication connection, the output of processor module is connected the input of signal output module, the output of signal output module connects display terminal, wherein:
the wireless communication module is used for carrying out wireless communication with a screen projection terminal, receiving screen projection data sent by the screen projection terminal and sending the screen projection data to the processor module;
the processor module is used for receiving screen projection data sent by the wireless communication module and sending display data obtained according to the screen projection data to the signal output module;
the signal output module is used for receiving the display data sent by the processor module and sending the display data to a display terminal so that the display terminal can display according to the display data.
2. The screen-projecting device of claim 1, wherein the wireless communication module is a bluetooth module.
3. The screen projection device according to claim 1, wherein the signal output unit is a color difference component interface, and the processor module is configured to send a YPbPr image signal obtained after data processing of the screen projection data to the color difference component interface.
4. The screen-projecting device of claim 1, characterized in that the device further comprises a power supply module, the input end of the power supply module is connected with a power supply source, the output end of the power supply module is respectively connected with the power supply end of the wireless communication module and the power supply end of the processor module,
and the power supply module is used for converting the voltage input by the power supply into working voltages respectively corresponding to the wireless communication module and the processor module and then correspondingly outputting the voltage to the wireless communication module and the processor module.
5. A screen projection device control method is applied to the screen projection device according to any one of claims 1 to 4, and the method comprises the following steps:
screen projection data sent by the screen projection terminal are received through a wireless communication module, and the screen projection data are sent to the processor module;
receiving screen projection data sent by the wireless communication module through a processor module, and sending display data obtained according to the screen projection data to the signal output module;
and receiving the display data sent by the processor module through a signal output module, and sending the display data to a display terminal so that the display terminal displays according to the display data.
6. The screen projection device control method of claim 5, wherein the step of receiving screen projection data sent by the screen projection terminal through a wireless communication module and sending the screen projection data to the processor module comprises:
receiving a pairing request of a screen projection terminal through a wireless communication module;
and sending a pairing agreement instruction to the screen projection terminal through a wireless communication module so as to be in wireless connection with the screen projection terminal.
7. The screen projection device control method of claim 5, wherein the step of receiving, by a processor module, screen projection data transmitted by the wireless communication module and transmitting display data obtained according to the screen projection data to the signal output module comprises:
receiving screen projection data which are sent by the wireless communication module and contain a play address through a processor module;
acquiring media data according to the playing address;
and sending display data obtained after the media data is subjected to data processing to the signal output module.
8. The screen-projecting apparatus control method of claim 7, further comprising:
when the wireless communication module receives a control instruction sent by a screen projection terminal, the control instruction is sent to the processor module;
and the processor module adjusts the display data according to the received control instruction and sends the adjusted display data to the display terminal through the signal output module.
9. The screen-projecting apparatus control method of claim 5, characterized in that the method further comprises:
monitoring the connection state of the display terminal in real time through a signal output module;
when the signal output module detects that the connection with the display terminal is disconnected, a fault signal is sent to the processor module;
the processor module sends fault information to the wireless communication module when receiving the fault signal;
and the wireless communication module sends the received fault information to the screen projection terminal.
10. A computer-readable storage medium, characterized in that a computer program is stored thereon, which computer program, when being executed by a processor, carries out the steps of the screen projection device control method according to any one of claims 5 to 9.
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| CN112040286B (en) | 2022-12-02 |
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