CN114143582A - Same-screen pairing method, same-screen device and same-screen pairing system - Google Patents
Same-screen pairing method, same-screen device and same-screen pairing system Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43637—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
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Abstract
The invention discloses a same-screen pairing method, a same-screen device and a same-screen pairing system, wherein when the same-screen device is in pairing connection with a same-screen receiving device, a unique identifier of the same-screen receiving device is stored; when the on-screen device is connected with the user terminal, acquiring a unique identifier of each on-screen receiving device in the current network, and matching the unique identifier with the stored unique identifier; determining target on-screen receiving equipment in the current network based on the matching result, and connecting and pairing the target on-screen receiving equipment; the embodiment of the invention exchanges the unique identifier during initial pairing, uniquely identifies the same-screen receiving equipment through the unique identifier, and directly connects the initially paired same-screen receiving equipment through identifying the unique identifier in subsequent reconnection pairing, thereby avoiding the problem that the identifiers between the same-screen device and the same-screen receiving equipment are different and need to be paired again due to the change of the IP address after the network is changed.
Description
Technical Field
The invention relates to the technical field of on-screen pairing, in particular to an on-screen pairing method, an on-screen device and an on-screen pairing system.
Background
The existing on-screen pairing method is generally bound with the IP address of the flat panel, and when the IP address of the flat panel is changed (for example, a connection router adopts a DHCP mode and cannot ensure that the IP of the flat panel is the same every time, and a hotspot IP address is randomly generated for safety reasons and the like), an adaptation action must be executed again before use to write in new IP address information of the flat panel, so that the use is inconvenient.
Disclosure of Invention
The invention aims to provide a same-screen pairing method, a same-screen device and a same-screen pairing system, and aims to solve the problem that the same-screen pairing is inconvenient to use in the prior art.
In a first aspect, an embodiment of the present invention provides a method for pairing on screen, which includes an on screen device, an on screen receiving device, and a user terminal.
When the on-screen device is connected with the on-screen receiving equipment in a pairing mode, storing a unique identifier of the on-screen receiving equipment;
when the on-screen device is connected with the user terminal, acquiring a unique identifier of each on-screen receiving device in the current network, and matching the unique identifier with the stored unique identifier;
determining target on-screen receiving equipment in the current network based on the matching result, and connecting and pairing the target on-screen receiving equipment;
wherein the unique identifier is generated by the CPUID, the MAC address and the EMMC ID.
In a second aspect, an embodiment of the present invention provides a same-screen device, and an execution method of the same-screen pairing method includes:
the device comprises a storage unit, a display unit and a control unit, wherein the storage unit is used for storing a unique identifier of the same-screen receiving equipment when the same-screen receiving equipment is connected in a pairing mode;
the matching unit is used for acquiring the unique identifier of each same-screen receiving device in the current network when the matching unit is connected with the user terminal and matching the unique identifier with the stored unique identifier;
and the connecting unit is used for determining the target on-screen receiving equipment in the current network based on the matching result and performing connection pairing with the target on-screen receiving equipment.
In a third aspect, an embodiment of the present invention provides a same-screen pairing system, including a same-screen device, where the same-screen device executes the same-screen pairing method, and further includes a user terminal and a same-screen receiving device;
the on-screen device can be respectively connected with the user terminal and the on-screen receiving equipment, and when the on-screen device is connected with the on-screen receiving equipment in a matching mode, the on-screen device stores the unique identifier of the on-screen receiving equipment;
when the device is connected with a user terminal, the on-screen device is used for acquiring the unique identifier of each on-screen receiving device in the current network, matching the unique identifier with the stored unique identifier, determining the target on-screen receiving device in the current network based on the matching result, and performing connection pairing with the target on-screen receiving device.
The embodiment of the invention exchanges the unique identifier during initial pairing, uniquely identifies the same-screen receiving equipment through the unique identifier, and directly connects the initially paired same-screen receiving equipment through identifying the unique identifier in subsequent reconnection pairing, thereby avoiding the problem that the identifier of the same-screen receiving equipment stored in the same-screen device is different from the identifier of the same-screen receiving equipment after network change and needs to be paired again due to the change of the IP address after the network change.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a flowchart of a method for pairing on the same screen according to an embodiment of the present invention;
fig. 2 is a flowchart of step S101 according to an embodiment of the present invention;
fig. 3 is a flowchart of step S102 according to an embodiment of the present invention;
FIG. 4 is a schematic block diagram of a co-screen provided by an embodiment of the present invention;
FIG. 5 is a schematic block diagram of a one-screen pairing system provided by an embodiment of the present invention;
FIG. 6 is a schematic block diagram of a co-screen device paired with a co-screen receiving device according to an embodiment of the present invention;
fig. 7 is a schematic block diagram of the user terminal connected to the on-screen device according to the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. 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 will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
Referring to fig. 1, a method for pairing on screen includes a same-screen device, a same-screen receiving device and a user terminal, and includes steps S101-S103.
S101: when the on-screen device is connected with the on-screen receiving equipment in a pairing mode, storing a unique identifier of the on-screen receiving equipment;
s102: when the on-screen device is connected with the user terminal, acquiring a unique identifier of each on-screen receiving device in the current network, and matching the unique identifier with the stored unique identifier;
s103: and determining the target on-screen receiving equipment in the current network based on the matching result, and performing connection pairing with the target on-screen receiving equipment.
In this embodiment, the exchange of the unique identifier (i.e., the unique identifier stored in the on-screen device in advance) is performed at the time of initial pairing, the on-screen receiving device is uniquely identified by the unique identifier, and in the subsequent reconnection pairing, the initially paired on-screen receiving device can be directly connected by identifying the unique identifier, thereby avoiding the problem that the identifier between the on-screen device and the on-screen receiving device is inconsistent and the pairing needs to be performed again due to the change of the IP address after the network is changed.
Wherein the unique identifier is generated by the CPUID, the MAC address and the EMMC ID.
Specifically, the generating process of the unique identifier includes:
any one or more items of the CPUID, the MAC address and the EMMC ID of the on-screen receiving equipment are combined and spliced to obtain first splicing data;
taking the starting-up time of the same-screen receiving equipment, and splicing the starting-up time into the first splicing data to obtain second splicing data by taking the starting-up time as a time character string;
and obtaining the unique identifier by adopting a hash algorithm on the second splicing data.
Specifically, the algorithm used for encryption may be SHA1, SHA0, MD5, or the like.
For example using the following steps:
1. splicing one item (such as CPUID) or a plurality of items (such as CPUID + MAC or CPUID + MAC + EMMC ID) in the CPUID, MAC address and EMMC ID to obtain first splicing data;
2. adding a startup time variable to obtain second splicing data (CPUID + STARTTIME or CPUID + MAC + STARTTIME or CPUID + MAC + EMMC ID + STARTTIME);
3. and (4) adopting a hash algorithm to the second spliced data to obtain a 40-byte ID, wherein the ID can be used as a unique identifier.
In an embodiment, the second splicing data is obtained by using a SHA1 algorithm; and the starting time of the on-screen receiving equipment is the time recorded by the completion of the initialization of the on-screen receiving equipment.
Clicking to start the reset function of the receiving equipment on the same screen, initializing the receiving equipment on the same screen again, recording the time of initialization completion, judging whether the time is accurate and unimportant, and forming a random sequence after the initialization of the receiving equipment on the same screen is completed and adding the generated unique identifier.
In the embodiment, the algorithm used for encryption is SHA1, although there is a possibility that the encryption result is the same when the second splicing data is different, this situation is usually impossible in the actual use scene of the user, and the use of SHA1 to generate the unique identifier has great advantages in safety and practicability based on cost consideration and difficulty in cracking.
Referring to fig. 2, in an embodiment, step S101 includes:
s201: when the on-screen device detects that the on-screen device is paired with the on-screen receiving device, acquiring hotspot information and a unique identifier of the on-screen receiving device;
s202: writing the acquired hotspot information into a pairing data storage area of the on-screen device, and storing the unique identifier into an identifier list of the on-screen device.
In this embodiment, when performing initial pairing between the on-screen receiving device and the on-screen device, the on-screen device obtains hotspot information and a unique identifier in the on-screen receiving device, and stores the hotspot information and the unique identifier in an identifier list in the on-screen device, and at this time, a bridge-unique identifier in matching connection is provided between the on-screen device and the on-screen receiving device.
Referring to fig. 3, in an embodiment, step S102 includes:
s301: when the on-screen device detects the operation of connecting with the user terminal, detecting the network equipment information under the environment of the user terminal;
s302: obtaining a unique identifier of each on-screen receiving device in the current network based on the detected network device information;
s303: and comparing the obtained unique identifier of each on-screen receiving device with the pre-stored unique identifier to determine the matched on-screen receiving device in the current network.
In this embodiment, when the on-screen device is connected to the user terminal, the on-screen device performs a device information obtaining operation on-screen receiving devices in a network environment where the user terminal is located, to obtain unique identifiers of each on-screen receiving device, and compares the obtained unique identifiers with unique identifiers pre-stored in an identifier list, to determine which on-screen receiving devices are paired with the on-screen device (only the unique identifiers of the on-screen receiving devices paired with the on-screen device are stored in the identifier list in the on-screen device).
In one embodiment, step S103 includes:
and when the matching result is that the matched same-screen receiving equipment is provided with a plurality of matched same-screen receiving equipment, sending the terminal information of the matched same-screen receiving equipment to the user terminal and displaying the terminal information, and when a selection instruction of a user is received, taking the selected same-screen receiving equipment as target same-screen receiving equipment and connecting and pairing the target same-screen receiving equipment.
In this embodiment, in a network environment where a user terminal is located, when a plurality of on-screen receiving devices are capable of matching an identifier list (unique identifier) in an on-screen device, the on-screen device displays the on-screen receiving devices capable of matching on the user terminal, a user may select an on-screen receiving device that the user wants to connect to, and after the on-screen device obtains a selection instruction of the user, the user connects to a target on-screen receiving device selected by the user and performs connection pairing with the on-screen receiving device.
The terminal information may be: nicknames, unique identification codes on cell phones, etc.
Specifically, in a network environment where the user terminal is located, when only one on-screen receiving device matches an identifier list (unique identifier) in the on-screen device, the on-screen device connects and pairs the on-screen receiving device by default, and the screen of the user terminal is projected onto the on-screen receiving device.
Specifically, in a network environment where the user terminal is located, when none of the on-screen receiving devices matches an identifier list (unique identifier) in the on-screen device, the on-screen device is inserted into the on-screen receiving device to be connected on the same screen to perform pre-matching, the unique identifier of the on-screen receiving device is stored in advance, and then the on-screen device is inserted into the user terminal to perform matching connection.
In one embodiment, step S103 includes:
and when the matching result is that a plurality of matched same-screen receiving devices exist, automatically taking the most recently matched same-screen receiving device in the same-screen device as a target same-screen receiving device, and connecting and matching the target same-screen receiving device.
In another case, when there are multiple on-screen receiving devices capable of matching the identifier list (unique identifier) in the on-screen device, the on-screen device may select the most recently paired on-screen receiving device from the on-screen receiving devices to pair, which is friendly to users who need to frequently use the on-screen device.
Specifically, after the same-screen receiving device and the same-screen device are successfully connected and paired each time, the time information corresponding to the unique identification code can be updated in the identification code list of the same-screen device, and when the latest paired same-screen receiving device needs to be selected, the time information only needs to be compared.
In an embodiment, the connection between the on-screen device and the user terminal is a wireless or wired connection, and the connection when the on-screen device and the on-screen receiving device are paired is a wireless or wired connection.
In this embodiment, the wireless connection may be wifi in a local area network; the wired connection may be connected using USB or HDMI.
In an embodiment, step S103 is followed by:
s401: and deleting the unique identifiers exceeding the storage life in the identifier list in the screen-sharing device periodically.
In this embodiment, considering that the probability of performing connection pairing on the same-screen receiving device which has not performed connection pairing for too long is too small, the normal matching may be affected by the storage, for example, when the tablet is turned on later than the same-screen device but an early tablet is turned on, the same-screen device may preferentially connect to the turned-on early paired tablet, so as to be different from the expectation. Therefore, in order to reduce the occurrence of such a situation, the on-screen device may sort the unique identifiers in the identifier list, calculate the time of the last connection pairing of the on-screen receiving device corresponding to each unique identifier according to the time information corresponding to the unique identifier, delete the unique identifier whose time of the last connection pairing exceeds the preset time in the marker code list, and at this time, the on-screen receiving device corresponding to the unique identifier needs to perform the pairing operation again when performing screen projection.
Here, the preset time may be a period of time, for example: for 30 days.
In another embodiment, the preset time may not be a fixed time, but every time the same screen reader is turned on.
Referring to fig. 4, a peer 10 executing the peer pairing method includes:
a storage unit 11, configured to store a unique identifier of the on-screen receiving device 20 when paired and connected with the on-screen receiving device 20;
a matching unit 12, configured to, when connecting to the user terminal 30, obtain a unique identifier of each on-screen receiving device 20 in the current network, and match the unique identifier with the stored unique identifier;
and the connection unit 13 is configured to determine a target on-screen receiving device 20 in the current network based on the matching result, and perform connection pairing with the target on-screen receiving device 20.
In the present embodiment, the unique identifier is stored in the storage unit 11, the matching unit 12 performs identification comparison on the unique identifier in the on-screen receiving device 20 and the storage unit 11 during connection pairing, and after the identification is passed, the on-screen receiving device 20 is connected and paired through the connection unit.
Referring to fig. 5-7, a same-screen pairing system includes a same-screen device 10, which executes the same-screen pairing method, and further includes a user terminal 30 and a same-screen receiving device 20;
the on-screen device 10 can be connected to the user terminal 30 and the on-screen receiving device 20, respectively, and when the on-screen device 10 is connected to the on-screen receiving device 20 in a pairing manner, the on-screen device 10 stores a unique identifier of the on-screen receiving device 20;
when the user terminal 30 is connected, the on-screen receiver 10 is configured to obtain a unique identifier of each on-screen receiving device 20 in the current network, match the unique identifier with the stored unique identifier, determine a target on-screen receiving device 20 in the current network based on a matching result, and perform connection pairing with the target on-screen receiving device 20.
In this embodiment, during initial pairing, the on-screen device 10 is connected to the on-screen receiving device 20, and at this time, the unique identifier generated by the on-screen receiving device 20 is shared with the on-screen device 10 and stored in the storage unit 11 by the on-screen device 10; when video information on the user terminal 30 needs to be put onto the on-screen receiving device 20, the on-screen device is connected with the user terminal 30, at this time, the on-screen device 10 acquires unique identifiers (which may be configuration files written with unique identifiers and known from the configuration files) of all on-screen receiving devices 20 in a current network (a local area network or the same wireless wifi), compares the acquired unique identifiers with the unique identifiers stored in the storage unit 11 in the on-screen device 10 (the unique identifiers of the initially paired on-screen receiving devices 20), finds out the on-screen receiving devices 20 corresponding to a plurality of successfully compared unique identifiers, and selects the on-screen receiving devices 20 needing to be connected from the on-screen receiving devices 20 and connects the same.
Specifically, the on-screen receiving device 20 is a device for receiving a projected screen, such as a tablet; the user terminal 30 is a destination device for performing screen projection, such as a pc or the like.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A method for pairing in the same screen comprises a same-screen device, a same-screen receiving device and a user terminal, and is characterized in that:
when the on-screen device is connected with the on-screen receiving equipment in a pairing mode, storing a unique identifier of the on-screen receiving equipment;
when the on-screen device is connected with the user terminal, acquiring a unique identifier of each on-screen receiving device in the current network, and matching the unique identifier with the stored unique identifier;
determining target on-screen receiving equipment in the current network based on the matching result, and connecting and pairing the target on-screen receiving equipment;
wherein the unique identifier is generated by the CPUID, the MAC address and the EMMC ID.
2. The on-screen pairing method of claim 1, wherein storing the unique identifier of the on-screen receiving device comprises:
when the on-screen device detects that the on-screen device is paired with the on-screen receiving device, acquiring hotspot information and a unique identifier of the on-screen receiving device;
writing the acquired hotspot information into a pairing data storage area of the on-screen device, and storing the unique identifier into an identifier list of the on-screen device.
3. The on-screen pairing method of claim 1, wherein the obtaining of the unique identifier of each on-screen receiving device in the current network and matching with the stored unique identifier when connecting with the user terminal comprises:
when the on-screen device detects the operation of connecting with the user terminal, detecting the network equipment information under the environment of the user terminal;
obtaining a unique identifier of each on-screen receiving device in the current network based on the detected network device information;
and comparing the obtained unique identifier of each on-screen receiving device with the pre-stored unique identifier to determine the matched on-screen receiving device in the current network.
4. The on-screen pairing method of claim 1, wherein determining a target on-screen receiving device in a current network based on a matching result, and performing connection pairing with the target on-screen receiving device comprises:
and when the matching result is that the matched same-screen receiving equipment is provided with a plurality of matched same-screen receiving equipment, sending the terminal information of the matched same-screen receiving equipment to the user terminal and displaying the terminal information, and when a selection instruction of a user is received, taking the selected same-screen receiving equipment as target same-screen receiving equipment and connecting and pairing the target same-screen receiving equipment.
5. The on-screen pairing method of claim 1, wherein determining a target on-screen receiving device in a current network based on a matching result, and performing connection pairing with the target on-screen receiving device comprises:
and when the matching result is that a plurality of matched same-screen receiving devices exist, automatically taking the most recently matched same-screen receiving device in the same-screen device as a target same-screen receiving device, and connecting and matching the target same-screen receiving device.
6. The on-screen pairing method of claim 1, wherein the connection between the on-screen device and the user terminal is a wireless or wired connection, and the connection when the on-screen device and the on-screen receiving device are paired is a wireless or wired connection.
7. The on-screen pairing method of claim 1, wherein the unique identifier is generated by a CPUID, a MAC address, an EMMC ID, comprising:
any one or more items of the CPUID, the MAC address and the EMMC ID of the on-screen receiving equipment are combined and spliced to obtain first splicing data;
taking the starting-up time of the same-screen receiving equipment, and splicing the starting-up time into the first splicing data to obtain second splicing data by taking the starting-up time as a time character string;
and obtaining the unique identifier by adopting a hash algorithm on the second splicing data.
8. The on-screen pairing method of claim 7, wherein the second splicing data is obtained by using SHA1 algorithm; and the starting time of the on-screen receiving equipment is the time recorded by the completion of the initialization of the on-screen receiving equipment.
9. A peer-to-peer device for performing the peer-to-peer pairing method of any one of claims 1 to 7, comprising:
the device comprises a storage unit, a display unit and a control unit, wherein the storage unit is used for storing a unique identifier of the same-screen receiving equipment when the same-screen receiving equipment is connected in a pairing mode;
the matching unit is used for acquiring the unique identifier of each same-screen receiving device in the current network when the matching unit is connected with the user terminal and matching the unique identifier with the stored unique identifier;
and the connecting unit is used for determining the target on-screen receiving equipment in the current network based on the matching result and performing connection pairing with the target on-screen receiving equipment.
10. An on-screen pairing system, comprising the on-screen device of claim 8, wherein the on-screen device performs the on-screen pairing method of any one of claims 1 to 8, and further comprises a user terminal and an on-screen receiving device;
the on-screen device can be respectively connected with the user terminal and the on-screen receiving equipment, and when the on-screen device is connected with the on-screen receiving equipment in a matching mode, the on-screen device stores the unique identifier of the on-screen receiving equipment;
when the device is connected with a user terminal, the on-screen device is used for acquiring the unique identifier of each on-screen receiving device in the current network, matching the unique identifier with the stored unique identifier, determining the target on-screen receiving device in the current network based on the matching result, and performing connection pairing with the target on-screen receiving device.
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| CN110321093A (en) * | 2019-06-17 | 2019-10-11 | 广州视源电子科技股份有限公司 | A kind of throwing screen matching method, device, storage medium and throw screen device |
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