CN112383815A - Data transmission and reverse control method, equipment and system - Google Patents

Data transmission and reverse control method, equipment and system Download PDF

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Publication number
CN112383815A
CN112383815A CN202011209573.7A CN202011209573A CN112383815A CN 112383815 A CN112383815 A CN 112383815A CN 202011209573 A CN202011209573 A CN 202011209573A CN 112383815 A CN112383815 A CN 112383815A
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CN
China
Prior art keywords
equipment
source
reverse
data
data transmission
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202011209573.7A
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Chinese (zh)
Inventor
陈可研
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Ec Technology Co ltd
Original Assignee
Shenzhen Ec Technology Co ltd
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Filing date
Publication date
Application filed by Shenzhen Ec Technology Co ltd filed Critical Shenzhen Ec Technology Co ltd
Priority to CN202011209573.7A priority Critical patent/CN112383815A/en
Publication of CN112383815A publication Critical patent/CN112383815A/en
Withdrawn legal-status Critical Current

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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
    • H04N21/43632—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network involving a wired protocol, e.g. IEEE 1394
    • 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
    • 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
    • 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]

Abstract

The invention discloses a method, equipment and a system for data transmission and reverse control, and particularly relates to the field of multi-screen interaction.A source device establishes connection with display equipment through data transmission equipment and selects wired connection or wireless connection; the source device transmits image data and audio data to the display device; the display equipment decodes and displays the data sent by the source equipment; the source equipment and the display equipment negotiate for reverse transmission capability; if the fact that the vehicle-mounted equipment and the vehicle-mounted equipment support reverse transmission capacity is determined, the display equipment is utilized to negotiate a port for data transmission and source equipment for data wired transmission or wireless transmission; the display equipment sends a parameter setting request message to the source equipment, wherein the parameter setting request message carries a parameter domain which is added with a parameter domain matched with the source equipment for negotiating the reverse transmission port number. The invention expands the use scene of the multi-screen interaction technology and realizes the two-way transmission of data.

Description

Data transmission and reverse control method, equipment and system
Technical Field
The invention relates to the technical field of multi-screen interaction, in particular to a data transmission and reverse control method, equipment and a system.
Background
The multi-screen interaction technology refers to a technology of performing a series of operations such as transmission, analysis, display or control of multimedia contents (such as audio, video or pictures) between different multimedia terminals, such as mobile phones, PADs, TVs, and the like, through WIFI (wireless compatibility authentication) network connection based on a DLNA protocol, a flash internet protocol, a Miracast protocol, and the like, so as to simultaneously share the displayed contents on different platform devices.
In brief, through the multi-screen interaction technology, corresponding connection conversion can be achieved between screens of different devices, for example, a movie on a mobile phone can be played on a television, a picture on a flat panel can be shared on the television, content on a computer can be projected onto the television, and the like.
However, the current multi-screen interaction technology does not support the following application scenarios, such as: the method comprises the steps of reversely operating various applications on source equipment such as a mobile phone and the like through a control key or a touch screen on the display equipment or reversely transmitting data from the display equipment to the source equipment such as the mobile phone and the like to realize reverse and even bidirectional data transmission and the like between the display equipment and the source equipment such as the mobile phone and the like, so that the use scene of the multi-screen interaction technology is greatly limited.
Disclosure of Invention
In order to overcome the above-mentioned defects in the prior art, embodiments of the present invention provide a method, device and system for data transmission and reverse control, and the problem to be solved by the present invention is: the existing output display equipment can not reversely control the source equipment to realize bidirectional data transmission.
In order to achieve the purpose, the invention provides the following technical scheme: a data transmission reverse control method comprises the following steps:
s1: the source equipment establishes connection with the display equipment through the data transmission equipment and selects wired connection or wireless connection;
s2: the source device transmits image data and audio data to the display device;
s3: the display equipment decodes and displays the data sent by the source equipment;
s4: the source equipment and the display equipment negotiate for reverse transmission capability;
s5: if the fact that the vehicle-mounted equipment and the vehicle-mounted equipment support reverse transmission capacity is determined, the display equipment is utilized to negotiate a port for data transmission and source equipment for data wired transmission or wireless transmission;
s6: the display equipment sends a parameter setting request message to the source equipment, wherein the parameter setting request message carries a parameter domain which is added with a parameter domain matched with a reverse transmission port number negotiated by the source equipment;
s7: the source equipment determines that the source equipment and the sink equipment establish connection through a reverse control module according to the parameter setting request message;
s8: the display device performs data reverse transmission on the source device according to the touch screen or the remote controller key, and sends other control instructions, so that the source device stores the received data or performs other operations corresponding to the control instructions.
In a preferred embodiment, in step S4, the source device negotiates reverse transmission capability with the display device, specifically, the source device sends an extended capability negotiation message carrying an identifier to the display device, where the identifier is used to indicate whether the source device has a data reverse receiving capability.
In a preferred embodiment, the display device determines whether both support the data reverse transmission capability according to the identifier carried in the expanded capability negotiation message and the expanded capability of the display device, and if so, continues to step S5; if not, the display equipment is connected with the source equipment through the data transmission equipment.
In a preferred embodiment, the display device may first transmit data to the data transmission device, and then transmit the data to the source device through the data transmission device.
Further, the present invention also provides a source device, comprising:
a sending unit, configured to determine that the source device sends identified reverse input capability information to a display device;
the receiving unit is used for receiving the reverse control information sent by the display equipment and the data transmission equipment;
and the processing unit is used for executing corresponding control operation according to the reverse control information.
Further, the present invention also provides a display device including:
the receiving unit is used for receiving the reverse input capability message and the forward input data sent by the source equipment;
the processing unit is used for triggering the sending unit to send the capacity of the reverse control information to the source equipment and also used for processing the analysis work of the forward input data of the source equipment if the reverse input capacity message carries the identifier used for representing the source equipment and the source equipment needs to be reversely controlled;
and the transmitting unit is used for transmitting reverse control information to the source equipment according to the trigger of the processing unit so as to instruct the source equipment to execute corresponding control operation according to the vehicle-mounted reverse control information, and is used for inputting data into the data transmission equipment in a forward direction.
The invention further provides data transmission equipment, which comprises a controller, a wireless transmission module, a data transmission module, an interface module and a reverse control module, wherein the wireless transmission module, the data transmission module and the reverse control module are all electrically connected with the controller, the interface module is electrically connected with the reverse control module, the wireless transmission module is electrically connected with source equipment, the data transmission module is electrically connected with display equipment, and the interface module is electrically connected with the source equipment.
Further, the present invention also provides a reverse control system including a source device, a display device, and a data transmission device, wherein: the source device is used for transmitting the data of the source device to the display device, obtaining enlarged display through the display device, and executing corresponding control operation according to a control information instruction carried in the reverse control general message if receiving the reverse control general message sent by the display device;
the display device is a device for receiving the forward data information of the source device, performing enlarged display on a video image or an audio message, and sending reverse control information to the source device to instruct the source device to execute corresponding control operation according to the reverse control information;
the data transmission device is a transfer device which connects the source device and the display device by external wired connection or wireless connection, and when the display device does not have the capability of reversely controlling the source device, the display device can indicate the source device to execute corresponding control operation according to the reverse control information through the reverse control module.
The invention has the technical effects and advantages that:
1. the source equipment can negotiate with the display equipment for reverse data transmission capacity, and after determining that both support the reverse data transmission capacity, the source equipment negotiates with the display equipment for data transmission, so that reverse and even bidirectional data transmission between the display equipment and the source equipment is realized, the problem that the conventional multi-screen interaction technology does not support a reverse data transmission application scene between the display equipment and the source equipment is solved, and the use scene of the multi-screen interaction technology is expanded;
2. the source equipment and the display equipment are in wireless/wired connection through the data transmission equipment, and when the display equipment does not support reverse data transmission capacity, the data of the display equipment is firstly input into the data transmission equipment in a forward direction under the reverse control module of the data transmission equipment and then is reversely transmitted into the source equipment through the reverse control block, so that the bidirectional data transmission is realized.
Drawings
FIG. 1 is a schematic diagram of a connection structure of devices in data transmission according to the present invention;
FIG. 2 is a flowchart illustrating a connection between a source device and a display device in data transmission according to the present invention;
fig. 3 is a flow chart of a data transmission method according to 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 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.
The data transmission reverse control method of the embodiment of the invention comprises the following steps:
s1: the source equipment establishes connection with the display equipment through the data transmission equipment and selects wired connection or wireless connection;
s2: the source device transmits image data and audio data to the display device;
s3: the display equipment decodes and displays the data sent by the source equipment;
s4: the source equipment and the display equipment negotiate for reverse transmission capability;
s5: if the fact that the vehicle-mounted equipment and the vehicle-mounted equipment support reverse transmission capacity is determined, the display equipment is utilized to negotiate a port for data transmission and source equipment for data wired transmission or wireless transmission;
s6: the display equipment sends a parameter setting request message to the source equipment, wherein the parameter setting request message carries a parameter domain which is added with a parameter domain matched with a reverse transmission port number negotiated by the source equipment;
s7: the source equipment determines that the source equipment and the sink equipment establish connection through a reverse control module according to the parameter setting request message;
s8: the display device performs data reverse transmission on the source device according to the touch screen or the remote controller key, and sends other control instructions, so that the source device stores the received data or performs other operations corresponding to the control instructions.
In step S4, the source device negotiates reverse transmission capability with the display device, specifically, the source device sends an extended capability negotiation message carrying an identifier to the display device, where the identifier is used to indicate whether the source device has a data reverse receiving capability.
The display device determines whether both support data reverse transmission capability according to the identifier carried in the expansion capability negotiation message and the expansion capability of the display device, if so, continues to step S5; if not, the display equipment is connected with the source equipment through the data transmission equipment.
The display device may transmit data to the data transmission device first, and then transmit the data to the source device through the data transmission device.
A source device, comprising:
a sending unit, configured to determine that the source device sends identified reverse input capability information to a display device;
the receiving unit is used for receiving the reverse control information sent by the display equipment and the data transmission equipment;
and the processing unit is used for executing corresponding control operation according to the reverse control information.
A display device, comprising:
the receiving unit is used for receiving the reverse input capability message and the forward input data sent by the source equipment;
the processing unit is used for triggering the sending unit to send the capacity of the reverse control information to the source equipment and also used for processing the analysis work of the forward input data of the source equipment if the reverse input capacity message carries the identifier used for representing the source equipment and the source equipment needs to be reversely controlled;
and the transmitting unit is used for transmitting reverse control information to the source equipment according to the trigger of the processing unit so as to instruct the source equipment to execute corresponding control operation according to the vehicle-mounted reverse control information, and is used for inputting data into the data transmission equipment in a forward direction.
The utility model provides a data transmission equipment, includes controller, wireless transmission module, data transmission module, interface module and reverse control module, wireless transmission module, data transmission module, reverse control module all with controller electric connection, interface module and reverse control module electric connection, wireless transmission module and source equipment electric connection, data transmission module and display device electric connection, interface module and source equipment electric connection.
A reverse direction control system comprising a source device, a display device, and a data transmission device, wherein: the source device is used for transmitting the data of the source device to the display device, obtaining enlarged display through the display device, and executing corresponding control operation according to a control information instruction carried in the reverse control general message if receiving the reverse control general message sent by the display device;
the display device is a device for receiving the forward data information of the source device, performing enlarged display on a video image or an audio message, and sending reverse control information to the source device to instruct the source device to execute corresponding control operation according to the reverse control information;
the data transmission device is a transfer device which connects the source device and the display device by external wired connection or wireless connection, and when the display device does not have the capability of reversely controlling the source device, the display device can indicate the source device to execute corresponding control operation according to the reverse control information through the reverse control module.
In summary, the following steps: the source device of the present invention can negotiate with the display device for reverse data transmission capability and, after determining that both support reverse data transmission capability, negotiate with the display device for data transmission, thereby realizing the reverse and even bidirectional data transmission between the display equipment and the source equipment, solving the problem that the prior multi-screen interaction technology does not support the reverse data transmission application scene between the display equipment and the source equipment, expanding the use scene of the multi-screen interaction technology, and the source device and the display device are connected wirelessly/wiredly by arranging the data transmission device, when the display device does not support the reverse data transmission capability, under the reverse control module of the data transmission equipment, the data of the display equipment is firstly input into the data transmission equipment in the forward direction, and then reversely transmitting the data to the source equipment through the reverse control block, thereby realizing the interchange transmission of the data.
And finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims (8)

1. A data transmission reverse control method, comprising the steps of:
s1: the source equipment establishes connection with the display equipment through the data transmission equipment and selects wired connection or wireless connection;
s2: the source device transmits image data and audio data to the display device;
s3: the display equipment decodes and displays the data sent by the source equipment;
s4: the source equipment and the display equipment negotiate for reverse transmission capability;
s5: if the fact that the vehicle-mounted equipment and the vehicle-mounted equipment support reverse transmission capacity is determined, the display equipment is utilized to negotiate a port for data transmission and source equipment for data wired transmission or wireless transmission;
s6: the display equipment sends a parameter setting request message to the source equipment, wherein the parameter setting request message carries a parameter domain which is added with a parameter domain matched with a reverse transmission port number negotiated by the source equipment;
s7: the source equipment determines that the source equipment and the sink equipment establish connection through a reverse control module according to the parameter setting request message;
s8: the display device performs data reverse transmission on the source device according to the touch screen or the remote controller key, and sends other control instructions, so that the source device stores the received data or performs other operations corresponding to the control instructions.
2. The method, device and system for controlling data transmission in reverse direction according to claim 1, wherein: in step S4, the source device negotiates reverse transmission capability with the display device, specifically, the source device sends an extended capability negotiation message carrying an identifier to the display device, where the identifier is used to indicate whether the source device has a data reverse receiving capability.
3. A data transmission reversal control method according to claim 2, characterized in that: the display device determines whether both support data reverse transmission capability according to the identifier carried in the expansion capability negotiation message and the expansion capability of the display device, if so, continues to step S5; if not, the display equipment is connected with the source equipment through the data transmission equipment.
4. A data transmission reversal control method according to claim 3, characterized in that: the display device may transmit data to the data transmission device first, and then transmit the data to the source device through the data transmission device.
5. A source device, comprising:
a sending unit, configured to determine that the source device sends identified reverse input capability information to a display device;
the receiving unit is used for receiving the reverse control information sent by the display equipment and the data transmission equipment;
and the processing unit is used for executing corresponding control operation according to the reverse control information.
6. A display device, comprising:
the receiving unit is used for receiving the reverse input capability message and the forward input data sent by the source equipment;
the processing unit is used for triggering the sending unit to send the capacity of the reverse control information to the source equipment and also used for processing the analysis work of the forward input data of the source equipment if the reverse input capacity message carries the identifier used for representing the source equipment and the source equipment needs to be reversely controlled;
and the transmitting unit is used for transmitting reverse control information to the source equipment according to the trigger of the processing unit so as to instruct the source equipment to execute corresponding control operation according to the vehicle-mounted reverse control information, and is used for inputting data into the data transmission equipment in a forward direction.
7. The utility model provides a data transmission equipment, includes controller, wireless transmission module, data transmission module, interface module and reverse control module, its characterized in that: the wireless transmission module, the data transmission module and the reverse control module are all electrically connected with the controller, the interface module is electrically connected with the reverse control module, the wireless transmission module is electrically connected with the source equipment, the data transmission module is electrically connected with the display equipment, and the interface module is electrically connected with the source equipment.
8. A reverse direction control system, characterized in that the system comprises a source device, a display device and a data transmission device, wherein: the source device is used for transmitting the data of the source device to the display device, obtaining enlarged display through the display device, and executing corresponding control operation according to a control information instruction carried in the reverse control general message if receiving the reverse control general message sent by the display device;
the display device is a device for receiving the forward data information of the source device, performing enlarged display on a video image or an audio message, and sending reverse control information to the source device to instruct the source device to execute corresponding control operation according to the reverse control information;
the data transmission device is a transfer device which connects the source device and the display device by external wired connection or wireless connection, and when the display device does not have the capability of reversely controlling the source device, the display device can indicate the source device to execute corresponding control operation according to the reverse control information through the reverse control module.
CN202011209573.7A 2020-11-03 2020-11-03 Data transmission and reverse control method, equipment and system Withdrawn CN112383815A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011209573.7A CN112383815A (en) 2020-11-03 2020-11-03 Data transmission and reverse control method, equipment and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011209573.7A CN112383815A (en) 2020-11-03 2020-11-03 Data transmission and reverse control method, equipment and system

Publications (1)

Publication Number Publication Date
CN112383815A true CN112383815A (en) 2021-02-19

Family

ID=74577909

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011209573.7A Withdrawn CN112383815A (en) 2020-11-03 2020-11-03 Data transmission and reverse control method, equipment and system

Country Status (1)

Country Link
CN (1) CN112383815A (en)

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Application publication date: 20210219