CN112995113B

CN112995113B - Display device, port control method and storage medium

Info

Publication number: CN112995113B
Application number: CN201911304856.7A
Authority: CN
Inventors: 修国涵; 吴汉勇; 陈永富
Original assignee: Hisense Visual Technology Co Ltd
Current assignee: Hisense Visual Technology Co Ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2022-06-14
Anticipated expiration: 2039-12-17
Also published as: CN112995113A

Abstract

The embodiment of the application shows a display device, a port control method and a storage medium, and is particularly suitable for a social television. The display device comprises a first controller and a second controller, wherein the first controller is configured to acquire an IP address of the second controller; generating a first TCP data packet, wherein the source address of the first TCP data packet is the IP address of the second controller, and the destination address is the IP address of the external equipment; sending a first TCP data packet to a second controller through a first internal communication network card; a second controller configured to receive the first TCP data packet via a second internal communication network card; and sending the first TCP data packet to the external equipment through the external communication network card according to the IP address of the external equipment as the destination address of the first TCP data packet. The method and the device solve the problem that the connection between the IP address of the first controller and the IP address of the external device cannot be established.

Description

Display device, port control method and storage medium

Technical Field

The embodiment of the application relates to a display technology. And more particularly, to a display apparatus, a port control method, and a storage medium.

Background

Currently, since a display device can provide a user with a play screen such as audio, video, picture, and the like, it is widely preferred by users. With the development of big data and artificial intelligence, the functional requirements of users on display devices are increasing day by day, which puts higher requirements on the data processing capability of the display devices.

In the process of practical application, the display device of dual system is gradually receiving attention due to its higher data processing capability. The dual system comprises an N system and an A system, wherein the N system and the A system can communicate through an internal local area network of the display device, and the N system and the external device can communicate through an external local area network.

However, when the application of the system a needs to communicate with the external device, because the system a and the external device are in different local area networks and the IP address of the external device and the IP address of the system a are in different network segments, the data packet of the system a and the data packet of the external device cannot be sent to the other side, resulting in a communication failure between the system a and the external device.

Disclosure of Invention

In view of the above technical problems, an object of the present application is to provide a display device and a device discovery method.

A first aspect of embodiments of the present application shows a display device, including:

a first controller configured to acquire an IP address of a second controller; generating a first TCP data packet, wherein a source address of the first TCP data packet is an IP address of the second controller, and a destination address of the first TCP data packet is an IP address of the external device; sending the first TCP data packet to the second controller through a first internal communication network card;

a second controller configured to receive the first TCP data packet via a second internal communication network card; and sending the first TCP data packet to external equipment through an external communication network card according to the IP address of the external equipment as the destination address of the first TCP data packet.

A second aspect of embodiments of the present application shows a display device, including: a first controller and a second controller,

the first controller is configured to acquire first port information of an opened port of the first controller according to a preset period; sending the first port information to a second controller;

the second controller is configured to control second port information of an opened port of the second controller to be consistent with the first port information; monitoring the second port;

the second controller is further configured to receive a second TCP data packet through the second port of the external communication network card; sending the second TCP data packet to a second internal communication network card; sending the second TCP data packet to the first controller through a second internal communication network card;

the first controller is further configured to receive the second TCP data packet via a first internal communication network card; acquiring a port number of a destination port in the second TCP data packet; and sending the second TCP data packet to a first port corresponding to the port number.

A third aspect of the embodiments of the present application shows a port control method, where the method is applied to a display device, where the display device includes a first controller and a second controller, and the method includes:

the first controller generates a first TCP data packet according to the IP address of the second controller and sends the first TCP data packet to the second controller, wherein the source address of the first TCP data packet is the IP address of the second controller, and the destination address of the first TCP data packet is the IP address of the external equipment;

and the second controller sends the first TCP data packet to the external equipment according to the IP address of the external equipment, wherein the destination address of the first TCP data packet is the IP address of the external equipment.

A fourth aspect of the present embodiment shows a port control method, which is applied to a display device including a first controller and a second controller, and includes:

the first controller collects first port information of an opened port of the first controller according to a preset period and sends the first port information to a second controller;

the second controller controls the second port information of the opened port of the second controller to be consistent with the first port information and monitors the second port;

the second controller sends a second TCP data packet received by the second port to the first controller;

and the first controller sends the second TCP data packet to the first port corresponding to the port number according to the port number of the destination port in the second TCP data packet.

A fifth aspect of embodiments of the present application illustrates a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed, implements the device discovery method according to the third aspect or the fourth aspect.

The technical scheme that this application provided possesses following beneficial effect:

according to the method and the device, the IP address of the second controller is obtained by setting the application on the first controller, the first TCP data packet with the source address being the IP address of the second controller and the destination address being the IP address of the external device is generated, and then the first TCP data packet is sent to the second controller, so that the second controller sends the first TCP data packet to the external device according to the IP address of the external device as the destination address of the first TCP data packet, the problem that the connection between the IP address of the first controller and the IP address of the external device cannot be established is solved, and the communication between the application on the first controller and the external device is realized.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic diagram illustrating an operation scenario between a display device and a control apparatus according to an embodiment;

fig. 2 is a block diagram exemplarily showing a hardware configuration of the control apparatus 100 according to the embodiment;

fig. 3 is a block diagram exemplarily showing a hardware configuration of the display device 200 according to the embodiment;

a block diagram of the hardware architecture of the display device 200 according to fig. 3 is exemplarily shown in fig. 4;

fig. 5 is a diagram exemplarily showing a functional configuration of the display device 200 according to the embodiment;

fig. 6a schematically shows a software configuration in the display device 200 according to an embodiment;

fig. 6b schematically shows a configuration of an application in the display device 200 according to an embodiment;

fig. 7 schematically shows a user interface in the display device 200 according to an embodiment;

FIG. 8 is a block diagram illustrating a display device in accordance with a preferred embodiment;

FIG. 9 is a flow diagram illustrating a method of port control in accordance with a preferred embodiment;

fig. 10 is a flow chart illustrating another port control method according to a preferred embodiment.

FIG. 11a is a schematic diagram illustrating the first bit port number acquisition in Table 1;

FIG. 11b is a diagram illustrating the next bit port number acquisition of FIG. 11 a;

FIG. 11c is a diagram illustrating next bit port number acquisition in FIG. 11 b;

FIG. 11d is the next bit port number of FIG. 11 c;

FIG. 11e is the next bit port number of FIG. 11 d;

FIG. 11f is the next bit port number obtaining diagram of FIG. 11 e.

Detailed Description

To make the objects, technical solutions and advantages of the exemplary embodiments of the present application clearer, the technical solutions in the exemplary embodiments of the present application will be clearly and completely described below with reference to the drawings in the exemplary embodiments of the present application, and it is obvious that the described exemplary embodiments are only a part of the embodiments of the present application, but not all the embodiments.

For the convenience of users, various external device interfaces are usually provided on the display device to facilitate connection of different peripheral devices or cables to implement corresponding functions. When a high-definition camera is connected to an interface of the display device, if a hardware system of the display device does not have a hardware interface of a high-pixel camera that receives the source code, data received by the camera cannot be displayed on a display screen of the display device.

Furthermore, due to the hardware structure, the hardware system of the conventional display device only supports one path of hard decoding resources, and usually only supports video decoding with a resolution of 4K at most, so when a user wants to perform video chat while watching a network television, the user needs to use the hard decoding resources (usually GPU in the hardware system) to decode the network video without reducing the definition of the network video screen, and in this case, the user can only process the video chat screen by using a general-purpose processor (e.g. CPU) in the hardware system to perform soft decoding on the video.

The soft decoding is adopted to process the video chat picture, so that the data processing burden of a CPU (central processing unit) can be greatly increased, and when the data processing burden of the CPU is too heavy, the problem of picture blocking or unsmooth flow can occur. Further, due to the data processing capability of the CPU, when the CPU performs soft decoding on the video chat screen, multi-channel video calls cannot be generally implemented, and when a user wants to perform video chat with multiple other users in the same chat scene, access is blocked.

In view of the above aspects, to overcome the above drawbacks, the present application discloses a dual hardware system architecture to implement multiple channels of video chat data (at least one channel of local video).

The concept to which the present application relates will be first explained below with reference to the drawings. It should be noted that the following descriptions of the concepts are only for the purpose of facilitating understanding of the contents of the present application, and do not represent limitations on the scope of the present application.

The term "module," as used in various embodiments of the present application, may refer to any known or later developed hardware, software, firmware, artificial intelligence, fuzzy logic, or combination of hardware and/or software code that is capable of performing the functionality associated with that element.

The term "remote control" as used in the embodiments of the present application refers to a component of an electronic device (such as the display device disclosed in the present application) that is capable of wirelessly controlling the electronic device, typically over a short distance. The components may generally be connected to the electronic device using infrared and/or Radio Frequency (RF) signals and/or bluetooth, and may also include functional modules such as WiFi, wireless USB, bluetooth, motion sensors, etc. For example: the hand-held touch remote controller replaces most of the physical built-in hard keys in the common remote control device with the user interface in the touch screen.

The term "gesture" as used in the embodiments of the present application refers to a user behavior used to express an intended idea, action, purpose, or result through a change in hand shape or an action such as hand movement.

The term "hardware system" used in the embodiments of the present application may refer to a physical component having computing, controlling, storing, inputting and outputting functions, which is formed by a mechanical, optical, electrical and magnetic device such as an Integrated Circuit (IC), a Printed Circuit Board (PCB) and the like. In various embodiments of the present application, a hardware system may also be referred to as a motherboard (or chip).

Fig. 1 is a schematic diagram illustrating an operation scenario between a display device and a control apparatus according to an embodiment. As shown in fig. 1, a user may operate the display apparatus 200 through the control device 100.

The control device 100 may be a remote controller 100A, which can communicate with the display device 200 through an infrared protocol communication, a bluetooth protocol communication, a ZigBee (ZigBee) protocol communication, or other short-range communication, and is used to control the display device 200 in a wireless or other wired manner. The user may input a user instruction through a key on a remote controller, voice input, control panel input, etc., to control the display apparatus 200. Such as: the user may input a corresponding control command through a volume up/down key, a channel control key, up/down/left/right movement keys, a voice input key, a menu key, a power on/off key, etc. on the remote controller, to implement a function of controlling the display apparatus 200.

The control apparatus 100 may also be a smart device, such as a mobile terminal 100B, a tablet computer, a notebook computer, etc., which may communicate with the display device 200 through a Local Area Network (LAN), a Wide Area Network (WAN), a Wireless Local Area Network (WLAN), or other networks, and implement control of the display device 200 through an application program corresponding to the display device 200.

For example, the mobile terminal 100B and the display device 200 may each be installed with a software application, so that connection communication between the two may be implemented through a network communication protocol, and thus, the purpose of one-to-one control operation and data communication may be implemented. Such as: a control instruction protocol can be established between the mobile terminal 100B and the display device 200, a remote control keyboard is synchronized to the mobile terminal 100B, and the function of controlling the display device 200 is realized by controlling a user interface on the mobile terminal 100B; the audio and video content displayed on the mobile terminal 100B may also be transmitted to the display device 200, so as to implement a synchronous display function.

As shown in fig. 1, the display apparatus 200 may also perform data communication with the server 300 through various communication means. In various embodiments of the present application, the display device 200 may be allowed to be communicatively coupled to the server 300 via a local area network, a wireless local area network, or other network. The server 300 may provide various contents and interactions to the display apparatus 200.

Illustratively, the display device 200 receives software Program updates, or accesses a remotely stored digital media library by sending and receiving information, and Electronic Program Guide (EPG) interactions. The servers 300 may be a group or groups, and may be one or more types of servers. Other web service contents such as a video on demand and an advertisement service are provided through the server 300.

The display device 200 may be, for example, a liquid crystal display, an oled (organic Light Emitting diode) display, or a projection display device; on the other hand, the display device can be a display system consisting of an intelligent television or a display and a set-top box. The specific display device type, size, resolution, etc. are not limiting, and those skilled in the art will appreciate that the display device 200 may be modified in performance and configuration as desired.

The display apparatus 200 may additionally provide an intelligent network tv function that provides a computer support function in addition to the broadcast receiving tv function. Examples include a web tv, a smart tv, an Internet Protocol Tv (IPTV), and the like. In some embodiments, the display device may not have a broadcast receiving television function.

As shown in fig. 1, the display device may be connected or provided with a camera, and is configured to present a picture taken by the camera on a display interface of the display device or other display devices, so as to implement interactive chat between users. Specifically, the picture shot by the camera can be displayed on the display device in a full screen mode, a half screen mode or any optional area.

As an optional connection mode, the camera is connected with the display rear shell through the connecting plate and is fixedly installed in the middle of the upper side of the display rear shell, and as an installable mode, the camera can be fixedly installed at any position of the display rear shell, so that an image acquisition area of the camera can be ensured not to be shielded by the rear shell, for example, the image acquisition area is the same as the display orientation of the display equipment.

As another alternative connection mode, the camera is connected to the display rear shell through a connection board or other conceivable connector, the camera is capable of lifting, the connector is provided with a lifting motor, when a user wants to use the camera or an application program wants to use the camera, the camera is lifted out of the display, and when the camera is not needed, the camera can be embedded in the rear shell to protect the camera from being damaged.

As an embodiment, the camera adopted in the present application may have 1600 ten thousand pixels, so as to achieve the purpose of ultra high definition display. In actual use, cameras higher or lower than 1600 ten thousand pixels may also be used.

After the display equipment is provided with the camera, contents displayed by different application scenes of the display equipment can be fused in various different modes, so that the function which cannot be realized by the traditional display equipment is achieved.

Illustratively, a user may conduct a video chat with at least one other user while watching a video program. The presentation of the video program may be as a background frame over which a window for video chat is displayed. The function is called 'chat while watching'.

Optionally, in a scene of "chat while watching", at least one video chat is performed across terminals while watching a live video or a network video.

In another example, a user can conduct a video chat with at least one other user while entering the educational application for learning. For example, a student may interact remotely with a teacher while learning content in an educational application. Vividly, this function can be called "chatting while learning".

In another example, a user conducts a video chat with a player entering a card game while playing the game. For example, a player may enable remote interaction with other players when entering a gaming application to participate in a game. Figuratively, this function may be referred to as "watch while playing".

Optionally, the game scene is fused with the video picture, the portrait in the video picture is scratched and displayed in the game picture, and the user experience is improved.

Optionally, in the motion sensing game (such as ball hitting, boxing, running and dancing), the human posture and motion, limb detection and tracking and human skeleton key point data detection are obtained through the camera, and then the human posture and motion, the limb detection and tracking and the human skeleton key point data detection are fused with the animation in the game, so that the game of scenes such as sports and dancing is realized.

In another example, a user may interact with at least one other user in a karaoke application in video and voice. Vividly, this function can be called "sing while watching". Optionally, when at least one user enters the application in a chat scenario, multiple users can jointly complete recording of a song.

In another example, a user may turn on a camera locally to take pictures and videos, figurative, which may be referred to as "looking into the mirror".

In other examples, more or less functionality may be added. The function of the display device is not particularly limited in the present application.

Fig. 2 is a block diagram schematically showing the configuration of the control apparatus 100 according to the exemplary embodiment. As shown in fig. 2, the control device 100 includes a controller 110, a communicator 130, a user input/output interface 140, a memory 190, and a power supply 180.

The control apparatus 100 is configured to control the display device 200, and to receive an input operation instruction from a user, and to convert the operation instruction into an instruction recognizable and responsive by the display device 200, and to mediate interaction between the user and the display device 200. Such as: the user operates the channel up/down key on the control device 100, and the display device 200 responds to the channel up/down operation.

In some embodiments, the control device 100 may be a smart device. Such as: the control apparatus 100 may install various applications for controlling the display device 200 according to user's demands.

In some embodiments, as shown in fig. 1, the mobile terminal 100B or other intelligent electronic device may function similar to the control apparatus 100 after installing an application for manipulating the display device 200. Such as: the user may implement the functions of controlling the physical keys of the apparatus 100 by installing applications, various function keys or virtual buttons of a graphical user interface available on the mobile terminal 100B or other intelligent electronic devices.

The controller 110 includes a processor 112, a RAM113 and a ROM114, a communication interface, and a communication bus. The controller 110 is used to control the operation of the control device 100, as well as the internal components for communication and coordination and external and internal data processing functions.

The communicator 130 enables communication of control signals and data signals with the display apparatus 200 under the control of the controller 110. Such as: the received user input signal is transmitted to the display apparatus 200. The communicator 130 may include at least one of a WIFI module 131, a bluetooth module 132, an NFC module 133, and the like.

A user input/output interface 140, wherein the input interface includes at least one of a microphone 141, a touch pad 142, a sensor 143, a key 144, and the like. Such as: the user can realize a user instruction input function through actions such as voice, touch, gesture, pressing, and the like, and the input interface converts the received analog signal into a digital signal and converts the digital signal into a corresponding instruction signal, and sends the instruction signal to the display device 200.

The output interface includes an interface that transmits the received user instruction to the display apparatus 200. In some embodiments, the interface may be an infrared interface or a radio frequency interface. Such as: when the infrared signal interface is used, the user input command needs to be converted into an infrared control signal according to an infrared control protocol, and the infrared control signal is sent to the display device 200 through the infrared sending module. The following steps are repeated: when the rf signal interface is used, a user input command needs to be converted into a digital signal, and then the digital signal is modulated according to the rf control signal modulation protocol and then transmitted to the display device 200 through the rf transmitting terminal.

In some embodiments, the control device 100 includes at least one of a communicator 130 and an output interface. The communicator 130 is configured in the control device 100, such as: the modules of WIFI, bluetooth, NFC, etc. may send the user input command to the display device 200 through the WIFI protocol, or the bluetooth protocol, or the NFC protocol code.

And a memory 190 for storing various operation programs, data and applications for driving and controlling the control apparatus 100 under the control of the controller 110. The memory 190 may store various control signal commands input by a user.

And a power supply 180 for providing operational power support to the components of the control device 100 under the control of the controller 110. A battery and associated control circuitry.

A hardware configuration block diagram of a hardware system in the display device 200 according to an exemplary embodiment is exemplarily shown in fig. 3.

When a dual hardware system architecture is adopted, the mechanism relationship of the hardware system can be shown in fig. 3. For convenience of description, one hardware system in the dual hardware system architecture will be referred to as a first hardware system or a system, a-chip, and the other hardware system will be referred to as a second hardware system or N-system, N-chip. The chip A comprises a controller of the chip A and various interfaces, and the chip N comprises a controller of the chip N and various interfaces. The chip a and the chip N may each have a relatively independent operating system, and the operating system of the chip a and the operating system of the chip N may communicate with each other through a communication protocol, which is as follows: the frame layer of the operating system of the a-chip and the frame layer of the operating system of the N-chip can communicate to transmit commands and data, so that two independent subsystems, which are associated with each other, exist in the display device 200.

As shown in fig. 3, the a chip and the N chip may be connected, communicated and powered through a plurality of different types of interfaces. The interface type of the interface between the a chip and the N chip may include a General-purpose input/output (GPIO) interface, a USB interface, an HDMI interface, a UART interface, and the like. One or more of these interfaces may be used for communication or power transfer between the a-chip and the N-chip. For example, as shown in fig. 3, in the dual hardware system architecture, the N chip may be powered by an external power source (power), and the a chip may not be powered by the external power source but by the N chip.

In addition to the interface for connecting with the N chip, the a chip may further include an interface for connecting other devices or components, such as an MIPI interface for connecting a Camera (Camera) shown in fig. 3, a bluetooth interface, and the like.

Similarly, in addition to the interface for connecting with the N chip, the N chip may further include an VBY interface for connecting with a display screen tcon (timer Control register), and an i2S interface for connecting with a power Amplifier (AMP) and a Speaker (Speaker); and an IR/Key interface, a USB interface, a Wifi interface, a bluetooth interface, an HDMI interface, a Tuner interface, and the like.

The dual hardware system architecture of the present application is further described below with reference to fig. 4. It should be noted that fig. 4 is only an exemplary illustration of the dual hardware system architecture of the present application, and does not represent a limitation of the present application. In actual practice, both hardware systems may contain more or less hardware or interfaces as desired.

A block diagram of the hardware architecture of the display device 200 according to fig. 3 is exemplarily shown in fig. 4. As shown in fig. 4, the hardware system of the display device 200 may include an a chip and an N chip, and a module connected to the a chip or the N chip through various interfaces.

The N-chip may include a tuner demodulator 220, a communicator 230, an external device interface 250, a processor 210, a memory 290, a chat input interface, a video processor 260-1, a display 280, an audio output interface 270, and a power supply. The N-chip may also include more or fewer modules in other embodiments.

The tuning demodulator 220 is configured to perform modulation and demodulation processing such as amplification, mixing, resonance and the like on a broadcast television signal received in a wired or wireless manner, so as to demodulate an audio/video signal carried in a frequency of a television channel selected by a user and additional information (e.g., an EPG data signal) from a plurality of wireless or wired broadcast television signals. Depending on the broadcast system of the television signal, the signal path of the tuner 220 may be various, such as: terrestrial broadcasting, cable broadcasting, satellite broadcasting, internet broadcasting, or the like; according to different modulation types, the adjustment mode of the signal can be a digital modulation mode or an analog modulation mode; and depending on the type of television signal being received, tuner demodulator 220 may demodulate analog and/or digital signals.

The tuner demodulator 220 is also operative to respond to the user-selected television channel frequency and the television signals carried thereby, in accordance with the user selection and as controlled by the processor 210.

In other exemplary embodiments, the tuner/demodulator 220 may be in an external device, such as an external set-top box. In this way, the set-top box outputs television audio/video signals after modulation and demodulation, and the television audio/video signals are input into the display device 200 through the external device interface 250.

The communicator 230 is a component for communicating with an external device or an external server according to various communication protocol types. For example: the communicator 230 may include a WIFI module 231, a bluetooth communication protocol module 232, a wired ethernet communication protocol module 233, and other network communication protocol modules such as an infrared communication protocol module or a near field communication protocol module.

The display apparatus 200 may establish a connection of a control signal and a data signal with an external control apparatus or a content providing apparatus through the communicator 230. For example, the communicator may receive a control signal of the remote controller 100 according to the control of the controller.

The external device interface 250 is a component for providing data transmission between the N-chip processor 210 and the a-chip and other external devices. The external device interface may be connected with an external apparatus such as a set-top box, a game device, a notebook computer, etc. in a wired/wireless manner, and may receive data such as a video signal (e.g., moving image), an audio signal (e.g., music), additional information (e.g., EPG), etc. of the external apparatus.

The external device interface 250 may include: a High Definition Multimedia Interface (HDMI) terminal is also referred to as HDMI251, a Composite Video Blanking Sync (CVBS) terminal is also referred to as AV252, an analog or digital component terminal is also referred to as component 253, a Universal Serial Bus (USB) terminal 254, a Red Green Blue (RGB) terminal (not shown in the figure), and the like. The number and type of external device interfaces are not limited by this application.

The processor 210 controls the operation of the display device 200 and responds to user operations by running various software control programs (e.g., an operating system and/or various application programs) stored on the memory 290.

As shown in FIG. 4, the processor 210 includes a read only memory RAM213, a random access memory ROM214, a graphics processor 216, a communication interface 218, and a communication bus. The RAM213 and the ROM214 are connected to a graphics processor 216 and a communication interface 218 via a bus.

Processor 210 for executing operating system and application program instructions stored in memory 290. And executing various application programs, data and contents according to various interactive instructions received from the outside so as to finally display and play various audio and video contents.

A ROM213 for storing instructions for various system boots. For example, when the power-on signal is received, the display device 200 starts to power up, and the processor 210 executes the system boot instruction in the ROM, and copies the operating system stored in the memory 290 to the RAM214 to start running the boot operating system. After the start of the operating system is completed, the processor 210 copies the various applications in the memory 290 to the RAM214, and then starts running and starting the various applications.

A graphics processor 216 for generating various graphics objects, such as: icons, operation menus, user input instruction display graphics, and the like. The display device comprises an arithmetic unit which carries out operation by receiving various interactive instructions input by a user and displays various objects according to display attributes. And a renderer for generating various objects based on the operator and displaying the rendered result on the display 280.

In some example embodiments, the processor 210 may include a plurality of processors. The plurality of processors may include a main processor and a plurality of or a sub-processor. A main processor for performing some operations of the display apparatus 200 in a pre-power-up mode and/or operations of displaying a screen in a normal mode. A plurality of or one sub-processor for performing an operation in a standby mode or the like.

The communication interfaces may include a first interface 218-1 through an nth interface 218-n. These interfaces may be network interfaces that are connected to external devices via a network.

The processor 210 may control the overall operation of the display device 200. For example: in response to receiving a user command to select a UI object to be displayed on the display 280, the processor 210 may perform an operation related to the object selected by the user command.

Wherein the object may be any one of selectable objects, such as a hyperlink or an icon. Operations related to the selected object, such as: displaying an operation connected to a hyperlink page, document, image, or the like, or performing an operation of a program corresponding to an icon. The user command for selecting the UI object may be a command input through various input means (e.g., a mouse, a keyboard, a touch pad, etc.) connected to the display apparatus 200 or a voice command corresponding to a voice spoken by the user.

The memory 290 includes a memory for storing various software modules for driving and controlling the display apparatus 200. Such as: various software modules stored in memory 290, including: the system comprises a basic module, a detection module, a communication module, a display control module, a browser module, various service modules and the like.

The basic module is a bottom layer software module used for signal communication between hardware in the display device 200 and sending processing and control signals to an upper layer module. The detection module is a management module used for collecting various information from various sensors or chat input interfaces, and performing digital-to-analog conversion and analysis management.

For example: the voice recognition module comprises a voice analysis module and a voice instruction database module. The display control module is a module for controlling the display 280 to display image content, and may be used to play information such as multimedia image content and UI interface. The communication module is used for carrying out control and data communication with external equipment. And the browser module is used for executing data communication between the browsing servers. The service module is a module for providing various services and various application programs.

Meanwhile, the memory 290 is also used to store visual effect maps and the like for receiving external data and user data, images of respective items in various user interfaces, and a focus object.

A chat input interface for transmitting an input signal of the user to the processor 210 or transmitting a signal output from the controller to the user. For example, the control device (e.g., a mobile terminal or a remote controller) may send an input signal, such as a power switch signal, a channel selection signal, a volume adjustment signal, etc., input by a user to the chat input interface, and then the input signal is transferred to the controller through the chat input interface; alternatively, the control device may receive an output signal such as audio, video or data output from the chat input interface via the controller, and display the received output signal or output the received output signal in audio or vibration form.

In some embodiments, the user may enter user commands on a Graphical User Interface (GUI) displayed on the display 280, and the chat input interface receives the user input commands through the Graphical User Interface (GUI). Alternatively, the user may input the user command by inputting a specific sound or gesture, and the chat input interface receives the user input command by recognizing the sound or gesture through the sensor.

The video processor 260-1 is configured to receive a video signal, and perform video data processing such as decompression, decoding, scaling, noise reduction, frame rate conversion, resolution conversion, and image synthesis according to a standard codec protocol of the input signal, so as to obtain a video signal that is directly displayed or played on the display 280.

Illustratively, the video processor 260-1 includes a demultiplexing module, a video decoding module, an image synthesizing module, a frame rate conversion module, a display formatting module, and the like.

The demultiplexing module is used for demultiplexing the input audio and video data stream, and if the input MPEG-2 is input, the demultiplexing module demultiplexes the input audio and video data stream into a video signal and an audio signal.

And the video decoding module is used for processing the video signal after demultiplexing, including decoding, scaling and the like.

And the image synthesis module, such as an image synthesizer, is used for performing superposition mixing processing on the GUI signal input by the user or generated by the user and the video picture after the zooming processing by the graphics generator so as to generate an image signal for display.

The frame rate conversion module is configured to convert a frame rate of an input video, such as a 24Hz, 25Hz, 30Hz, or 60Hz video, into a 60Hz, 120Hz, or 240Hz frame rate, where the input frame rate may be related to a source video stream, and the output frame rate may be related to an update rate of a display. The input is realized in a common format by using a frame insertion mode.

And a display formatting module for converting the signal output by the frame rate conversion module into a signal conforming to a display format of a display, such as converting the format of the signal output by the frame rate conversion module to output an RGB data signal.

And a display 280 for receiving the image signal input from the video processor 260-1 and displaying the video content and image and the menu manipulation interface. The display 280 includes a display component for presenting a picture and a driving component for driving image display. The video content may be displayed from the video in the broadcast signal received by the tuner/demodulator 220, or from the video content input from the communicator or the external device interface. The display 280 simultaneously displays a user manipulation interface UI generated in the display apparatus 200 and used to control the display apparatus 200.

And, a driving component for driving the display according to the type of the display 280. Alternatively, in case the display 280 is a projection display, it may also comprise a projection device and a projection screen.

Resulting in an audio signal that can be played in the speaker 272.

The audio output interface 270, for outputting audio output under the control of the processor 210, may include a speaker 272, or an external sound output terminal 274 for outputting to a generating device of an external device, such as: external sound terminal or earphone output terminal.

In other exemplary embodiments, video processor 260-1 may comprise one or more chip components.

And, in other exemplary embodiments, video processor 260-1, may be a separate chip or may be integrated with processor 210 in one or more chips.

And a power supply for supplying power supply support to the display device 200 from the power input from the external power source under the control of the processor 210. The power supply may include a built-in power supply circuit installed inside the display apparatus 200, or may be a power supply installed outside the display apparatus 200, such as a power supply interface for providing an external power supply in the display apparatus 200.

Similar to the N-chip, as shown in fig. 4, the a-chip may include a processor 310, a communicator 330, a detector 340, and a memory 390. In some embodiments, a chat input interface, a video processor, an audio processor, a display, an audio output interface may also be included. In some embodiments, there may also be a power supply that independently powers the A-chip.

The communicator 330 is a component for communicating with an external device or an external server according to various communication protocol types. For example: the communicator 330 may include a WIFI module 331, a bluetooth communication protocol module 332, a wired ethernet communication protocol module 333, and other network communication protocol modules such as an infrared communication protocol module or a near field communication protocol module.

The communicator 330 of the a-chip and the communicator 230 of the N-chip also interact with each other. For example, the WiFi module 231 within the N-chip hardware system is used to connect to an external network, generate network communication with an external server, and the like. The WiFi module 331 in the a-chip hardware system is used to connect to the N-chip WiFi module 231 without making a direct connection with an external network or the like, and the a-chip is connected to an external network through the N-chip. Therefore, for the user, a display device as in the above embodiment displays a WiFi account to the outside.

The detector 340 is a component of the display device a chip for collecting signals of an external environment or interacting with the outside. The detector 340 may include a light receiver 342, a sensor for collecting the intensity of ambient light, which may be used to adapt to display parameter changes, etc.; the system may further include an image collector 341, such as a camera, a video camera, etc., which may be configured to collect external environment scenes, collect attributes of the user or interact gestures with the user, adaptively change display parameters, and identify user gestures, so as to implement a function of interaction with the user.

An external device interface 350, which provides a component for data transmission between the processor 310 and the N-chip or other external devices. The external device interface may be connected with an external apparatus such as a set-top box, a game device, a notebook computer, etc. in a wired/wireless manner.

A video processor 360-1 for processing the associated video signal.

An audio processor 360-2 for processing the associated audio signal

The processor 310 controls the operation of the display device 200 and responds to the user's operation by running various software control programs stored on the memory 390 (e.g., using installed third party applications, etc.), and interacting with the N-chip.

As shown in FIG. 4, processor 310 includes read only memory ROM313, random access memory RAM314, graphics processor 316, processor 310, communication interface 318, and a communication bus. The ROM313 and the RAM314, the graphic processor 316, the processor 310, and the communication interface 318 are connected via a bus.

And a processor 310 for executing the operating system and application program instructions stored in the memory 390, communicating with the N-chip, transmitting and interacting signals, data, instructions, etc., and executing various application programs, data and contents according to various interaction instructions received from the outside, so as to finally display and play various audio and video contents.

A ROM313 for storing instructions for various system boots. The processor 310 executes system boot instructions in ROM and copies the operating system stored in memory 390 to RAM314 to begin running the boot operating system. After the booting of the operating system is completed, the processor 310 copies the various applications in the memory 390 to the RAM314, and then starts to run and boot the various applications.

The communication interface 318 is plural. These interfaces may be network interfaces connected to external devices via a network, or may be network interfaces connected to the N-chip via a network.

And an audio processor 360-2, configured to receive the audio signal, decompress and decode the audio signal according to a standard encoding and decoding protocol of the input signal, and perform audio data processing such as noise reduction, digital-to-analog conversion, and amplification processing.

The processor 310 may control the overall operation of the display apparatus 200. For example: in response to receiving a user command to select a UI object to be displayed on the display 280, the processor 210 may perform an operation related to the object selected by the user command.

A graphics processor 316 for generating various graphics objects, such as: icons, operation menus, user input instruction display graphics, and the like. The display device comprises an arithmetic unit which carries out operation by receiving various interactive instructions input by a user and displays various objects according to display attributes. And a renderer for generating various objects based on the operator and displaying the rendered result on the display 280.

Both the A-chip graphics processor 316 and the N-chip graphics processor 216 are capable of generating various graphics objects. In distinction, if application 1 is installed on the a-chip and application 2 is installed on the N-chip, the a-chip graphics processor 316 generates a graphics object when a user performs a command input by the user in application 1 at the interface of application 1. When a user makes a command input by the user in the interface of the application 2 and within the application 2, a graphic object is generated by the graphic processor 216 of the N chip.

Fig. 5 is a diagram schematically illustrating a functional configuration of a display device according to an exemplary embodiment.

As shown in fig. 5, the memory 390 of the a-chip and the memory 290 of the N-chip are used to store an operating system, an application program, contents, user data, and the like, respectively, and perform system operations for driving the display device 200 and various operations in response to a user under the control of the processor 310 of the a-chip and the processor 210 of the N-chip. The A-chip memory 390 and the N-chip memory 290 may include volatile and/or non-volatile memory.

The memory 290 is specifically configured to store an operating program for driving the processor 210 in the display device 200, and to store various applications built in the display device 200, various applications downloaded by a user from an external device, various graphical user interfaces related to the applications, various objects related to the graphical user interfaces, user data information, and internal data of various supported applications. The memory 290 is used to store system software such as an Operating System (OS) kernel, middleware, and applications, and to store input video data and audio data, and other user data.

The memory 290 is specifically used for storing drivers and related data such as the video processor 260-1, the display 280, the communicator 230, the tuner demodulator 220, the input/output interface, etc.

In some embodiments, memory 290 may store software and/or programs, software programs for representing an Operating System (OS) including, for example: a kernel, middleware, an Application Programming Interface (API), and/or an application program. For example, the kernel may control or manage system resources, or functions implemented by other programs (e.g., the middleware, APIs, or applications), and the kernel may provide interfaces to allow the middleware and APIs, or applications, to access the controller to implement controlling or managing system resources.

The memory 290, for example, includes a broadcast receiving module 2901, a channel control module 2902, a volume control module 2903, an image control module 2904, a display control module 2905, a first audio control module 2906, an external instruction recognition module 2907, a communication control module 2908, a light receiving module 2909, a power control module 2910, an operating system 2911, and other applications 2912, a browser module, and the like. Processor 210 performs functions such as: the system comprises a broadcast television signal receiving and demodulating function, a television channel selection control function, a volume selection control function, an image control function, a display control function, an audio control function, an external instruction identification function, a communication control function, an optical signal receiving function, an electric power control function, a software control platform supporting various functions, a browser function and other various functions.

The memory 390 includes a memory storing various software modules for driving and controlling the display apparatus 200. Such as: various software modules stored in memory 390, including: the system comprises a basic module, a detection module, a communication module, a display control module, a browser module, various service modules and the like. Since the functions of the memory 390 and the memory 290 are similar, reference may be made to the memory 290 for relevant points, and thus, detailed description thereof is omitted here.

Illustratively, the memory 390 includes an image control module 3904, a second audio control module 3906, an external instruction recognition module 3907, a communication control module 3908, a light receiving module 3909, an operating system 3911, and other application programs 3912, a browser module, and the like. Processor 210 performs functions such as: the system comprises an image control function, a display control function, an audio control function, an external instruction identification function, a communication control function, an optical signal receiving function, an electric power control function, a software control platform supporting various functions, a browser function and other various functions.

Differently, the external instruction recognition module 2907 of the N-chip and the external instruction recognition module 3907 of the a-chip can recognize different instructions.

Illustratively, since the image receiving device such as a camera is connected with the a-chip, the external instruction recognition module 3907 of the a-chip may include the pattern recognition module 2907-1, a pattern database is stored in the pattern recognition module 3907-1, and when the camera receives an external pattern instruction, the camera corresponds to the instruction in the pattern database to perform instruction control on the display device. Since the voice receiving device and the remote controller are connected to the N-chip, the external command recognition module 2907 of the N-chip may include a voice recognition module 2907-2, a voice database is stored in the voice recognition module 2907-2, and when the voice receiving device receives an external voice command or the like, the voice receiving device and the like perform a corresponding relationship with a command in the voice database to perform command control on the display device. Similarly, a control device 100 such as a remote controller is connected to the N-chip, and the key command recognition module 2907-3 performs command interaction with the control device 100.

A block diagram of a configuration of a software system in a display device 200 according to an exemplary embodiment is exemplarily shown in fig. 6 a.

For an N-chip, as shown in fig. 6a, the operating system 2911, which includes executing operating software for handling various basic system services and for performing hardware related tasks, serves as an intermediary between applications and hardware components for data processing.

In some embodiments, portions of the operating system kernel may contain a series of software to manage the display device hardware resources and provide services to other programs or software code.

In other embodiments, portions of the operating system kernel may include one or more device drivers, which may be a set of software code in the operating system that assists in operating or controlling the devices or hardware associated with the display device. The driver may contain code to operate video, audio and/or other multimedia components. Examples include a display, a camera, Flash, WiFi, and audio drivers.

The accessibility module 2911-1 is configured to modify or access the application program to achieve accessibility and operability of the application program for displaying content.

A communication module 2911-2 for connection to other peripherals via associated communication interfaces and a communication network.

The user interface module 2911-3 is configured to provide an object for displaying a user interface, which is accessible by each application program and may implement user operability.

Control applications 2911-4 for controlling process management, including runtime applications and the like.

The event transmission system 2914 may be implemented in the operating system 2911 or in the application 2912. In some embodiments, an aspect is implemented within the operating system 2911, while implemented in the application 2912, for listening for various user input events, and will implement one or more sets of predefined operations in response to various events referring to the recognition of various types of events or sub-events.

The event monitoring module 2914-1 is configured to monitor an event or a sub-event input by the chat input interface.

The event recognition module 2914-2 is configured to input definitions of various types of events into various chat input interfaces, recognize various events or sub-events, and transmit the events or sub-events to the processes for executing one or more corresponding sets of processes.

The event or sub-event refers to an input detected by one or more sensors in the display device 200 and an input of an external control device (e.g., the control apparatus 100). Such as: the method comprises the following steps of inputting various sub-events through voice, inputting a gesture sub-event through gesture recognition, inputting a remote control key command of a control device and the like. Illustratively, the one or more sub-events in the remote control include a variety of forms including, but not limited to, one or a combination of key presses up/down/left/right/, ok key, key press and the like. And non-physical key operations such as move, hold, release, etc.

The interface layout management module 2913, directly or indirectly receiving the input events or sub-events from the event transmission system 2914, monitors the input events or sub-events, and updates the layout of the user interface, including but not limited to the position of each control or sub-control in the interface, and the size, position, and level of the container, which are related to the layout of the interface.

Since the functions of the operating system 3911 of the a chip are similar to those of the operating system 2911 of the N chip, reference may be made to the operating system 2911 for relevant points, and details are not repeated here.

As shown in fig. 6b, the application layer of the display device contains various applications that can be executed at the display device 200.

The N-chip application layer 2912 may include, but is not limited to, one or more applications such as: a video-on-demand application, an application center, a game application, and the like. The application layer 3912 of the a-chip may include, but is not limited to, one or more applications such as: live television applications, media center applications, and the like. It should be noted that what applications are respectively contained in the a chip and the N chip is determined according to an operating system and other designs, and the present invention does not need to make specific limitations and divisions on the applications contained in the a chip and the N chip.

The live television application program can provide live television through different signal sources. For example, a live television application may provide television signals using input from cable television, radio broadcasts, satellite services, or other types of live television services. And, the live television application may display video of the live television signal on display device 200.

A video-on-demand application may provide video from different storage sources. Unlike live television applications, video on demand provides a video display from some storage source. For example, the video on demand may come from a server side of the cloud storage, from a local hard disk storage containing stored video programs.

The media center application program can provide various applications for playing multimedia contents. For example, a media center, which may be other than live television or video on demand, may provide services for a user to access various images or audio through a multimedia center application.

The application program center can provide and store various application programs. The application may be a game, an application, or some other application associated with a computer system or other device that may be run on a display device. The application center may obtain these applications from different sources, store them in local storage, and then be executable on the display device 200.

A schematic diagram of a user interface in a display device 200 according to an exemplary embodiment is illustrated in fig. 7. As shown in fig. 7, the user interface includes a plurality of view display areas, illustratively, a first view display area 201 and a play screen 202, wherein the play screen includes a layout of one or more different items. And a selector in the user interface indicating that the item is selected, the position of the selector being movable by user input to change the selection of a different item.

It should be noted that the multiple view display areas may present display screens of different hierarchies. For example, a first view display area may present video chat project content and a second view display area may present application layer project content (e.g., web page video, VOD presentations, application screens, etc.).

Optionally, the different view display areas are presented with different priorities, and the display priorities of the view display areas are different among the view display areas with different priorities. If the priority of the system layer is higher than that of the application layer, when the user uses the acquisition selector and picture switching in the application layer, the picture display of the view display area of the system layer is not blocked; and when the size and the position of the view display area of the application layer are changed according to the selection of the user, the size and the position of the view display area of the system layer are not influenced.

Based on the above-mentioned need of chatting while watching of the user, the data processing method and the data processing device can be connected with the external device through the chip A of the display device, process the data of the external device, and then send the processed data to the chip N, so that the chip N can simultaneously display the application interface of the chip N and the relevant interface of the external device. However, since the external device is located in an external lan outside the display device and the a chip is located in an internal lan inside the display device, that is, the external device and the a chip are located in two different network segments, data sent by the external device cannot reach the a chip, and data sent by the a chip cannot reach the external device, so that the external device and the a chip cannot establish connection and perform communication.

In view of the above technical problem, a first aspect of the present application shows a display device, and in particular, may refer to fig. 8, where the display device includes a first controller and a second controller.

Here, for convenience of description, the first controller in fig. 4 and 5 corresponds to the first controller in fig. 8, and the second controller in fig. 4 and 5 corresponds to the second controller in fig. 8. Which will not be indicated below.

The first controller includes a first internal communication network card 311 and a first control schedule 315. The first internal communication network card 311 is a network card configured in the first controller and capable of performing TCP (Transmission Control Protocol) communication with the second controller.

The first internal communication network card 311 includes a first port information sending port 317 and a plurality of first ports, where the first ports are TCP ports through which an application program of a first controller sends data to a second controller, and different application programs of the first controller respectively correspond to different first ports.

The first control schedule 315 is a reporter (report) program preset in the first controller, the program is started after the first controller is powered on, the program resides in a system background of the first controller after being started, a first port information sending port 317 is started to establish a connection with the second controller, first port information of an opened port in the first controller is obtained in a polling manner at preset intervals, and the first port information is sent to the second controller, wherein the first port information includes a port number, and the preset interval may be 1 second.

Further, when the first control schedule 315 obtains the first port information of the opened port in the first controller for the first time after starting, the first control schedule stores the first port information in a buffer (cache) of the first controller, and sends the first port information to the second controller, and the second controller also stores the first port information in a cache of the second controller. The first control schedule 315 starts in a second preset period after the start, and after new first port information is acquired each time, first determines whether the first port information is the same as historical port information acquired in a previous preset period; if the port information is the same as the historical port information of the previous preset period, continuously acquiring the first port information in the next preset period until the first port information is different from the historical port information of the previous preset period; and if the first port information is different from the historical port information of the last preset period, updating the first port information in the cache of the first controller, and sending the first port information to the second controller.

And the second controller manages the second port according to the difference between the first port information and the historical port information stored in the cache of the first port information, and then updates the historical port information cached in the second controller to be consistent with the first port information. The first controller and the second controller respectively store the first port information in their respective caches, which effectively prevents the process of the first port information stored at one end of the second controller and the first controller from being abnormally cleaned up and being unable to know the historical port information at a certain time after the first control schedule 315 is started.

Certainly, the first control schedule 315 starts at a second preset period after the start, and after the first port information is acquired each time, it may not be determined whether the first port information is the same as the historical port information, and the first port information is directly sent to the second controller, so that the second controller manages the second port, however, compared with the case where the first control schedule 315 sends the first port information to the second controller when the first port information is different from the historical port information, the workload of the second controller for analyzing the first port information will be increased, and therefore in this embodiment, the first control schedule 315 of the first controller sends the first port information to the second controller when the first port information is different from the historical port information, so as to reduce the workload of the second controller for analyzing the first port information.

The second controller includes a second internal communication network card 211, a second control schedule 215, and an external communication network card 219. The second internal communication network card is configured in the second controller and is a network card capable of performing TCP (Transmission Control Protocol) communication with the first controller.

The second internal communication network card 211 includes a first port information receiving port 217.

The external communication network card 219 is provided with a plurality of second ports, where the second ports are TCP ports through which the second controller communicates with the external device.

The second control schedule 215 is a forward program preset in the second controller, and the forward program is started after the second controller is started, and after the forward program is started, a socket is created to monitor the first port information receiving port 217 in the second internal communication network card 211, and an epoll function is created to monitor TCP packets of the external communication network card and the second internal communication network card, respectively. The first port information sending port 317 of the first controller establishes a connection with the first port information receiving port 217 under the control of the first control schedule 315, and then sends the first port information to the first port information receiving port 217, and the second control schedule 215 manages the second port of the second controller after receiving the first port information through the first port information receiving port 217, so that the second port information of the opened port of the second controller is consistent with the first port information.

The management process of the second control schedule 215 for the second port of the second controller includes: and comparing the first port information with historical port information of the last preset period to obtain new open port information and new closed port information, opening a second port corresponding to the new open port information in the second controller, and closing the second port corresponding to the new closed port information in the second controller. The newly opened port information includes a port number of a newly opened first port, the newly closed port information includes a port number of a newly closed first port, and the comparison process of the second control schedule 215 on the first port information and the historical port information is as follows:

respectively carrying out ascending arrangement on the port numbers in the first port information and the port numbers in the historical port information; the two sorted sets of port numbers are then compared, taking table 1 as an example below.

Table 1 is a port number sorting table for two adjacent preset periods:

TABLE 1

1. The second control schedule 215 sets two pointers by which the port number of the first port information and the port number of the history port information are acquired, respectively, from the first bit.

And judging whether the port numbers acquired by the two pointers are the same, and if so, moving the two pointers to the next bit.

In fig. 11a, the port numbers of both pointers are 1, and both pointers point to the port number of the next bit, resulting in fig. 11 b. 2. And judging whether the port numbers acquired by the two pointers are the same or not, and if so, moving the pointer with the smaller port number to the next bit.

In fig. 11b, the port number of the first port information pointed by the pointer is 2, the port number of the historical port information is 3, and according to that the port number of the first port information is smaller than the port number of the historical port information at this time, it is determined that the port number 2 in the first port information is a new open port number, and then the pointer of the first port information points to the next bit, so as to obtain fig. 11 c.

In FIG. 11c, the port numbers of both pointers are the same, and both pointers are moved to the next bit, resulting in FIG. 11 d.

In FIG. 11d, the port numbers of both pointers are the same, and moving both pointers to the next bit results in FIG. 11 e.

3. And judging whether the port numbers acquired by the two pointers are the same or not, and if so, moving the pointer with the smaller port number to the next bit.

In fig. 11e, the port number of the first port information pointed by the pointer is 8, the port number of the historical port information is 6, and according to that the port number of the first port information is greater than the port number of the historical port information at this time, it is determined that the port number 6 in the historical port information is a new closed port number, and then the pointer of the historical port information is pointed to the next bit, so as to obtain fig. 11 f.

In fig. 11f, the port numbers of the two pointers are 8, and port number 8 is neither a new open port number nor a new closed port number. Since both pointers have pointed to the last bit, the comparison process for Table 1 ends.

After the second control schedule 215 obtains the information of the newly opened port and the information of the newly closed port, the second port corresponding to the information of the newly opened port in the second controller is opened, the second port corresponding to the information of the newly closed port in the second controller is closed, so that the information of the first port of the second port opened by the second controller is consistent with the information of the first port, the second control schedule 215 monitors a second TCP packet sent to the second port through the external communication network card, forwards the second TCP packet data to the second internal communication network card, forwards the second TCP packet data to the first port corresponding to the second port in the first internal communication network card through the second internal communication network card, and the first port returns the data to the application program calling the first port after receiving the data. Alternatively, the second control schedule 215 monitors the first TCP packet sent by the first controller through the second internal communication network card, and forwards the first TCP packet to the external device.

To describe in detail the process of the first controller sending the first TCP packet to the external device in the first aspect, a second aspect of the present application shows a flowchart of a port control method, and in particular, refer to fig. 9, where the method is applied to a display device, the display device includes a first controller and a second controller, and the method includes the following steps:

step S110: the first controller collects first port information of an opened port of the first controller according to a preset period and sends the first port information to the second controller.

Step S120: the second controller controls the second port information of the opened port of the second controller to be consistent with the first port information, and monitors the second port.

Steps S110 to S120 are preparation steps for the first controller to send the first TCP packet to the external device, and in order to enable the second TCP packet sent by the external device in response to the first TCP packet to be received after the first TCP packet of the first controller is sent to the external device, steps S110 to S120 may be executed before the first controller sends the first TCP packet, so that the second controller is ready to receive the second TCP packet.

Step S130: the first controller generates a first TCP data packet according to the IP address of the second controller and sends the first TCP data packet to the second controller.

After the preparation steps S110 to S120 are completed, when the application program of the first controller needs to perform TCP communication with the external device, in order to enable the response packet of the external device to the first controller to be sent to the first controller, the application program of the first controller may set the source IP address in the first TCP packet as the IP address of the second controller by means of spoofing the IP, because the second controller and the external device are in the same lan, after the external device receives the first TCP packet, the response packet may be sent to the second controller according to the source IP address in the first TCP packet, and the second controller then forwards the response packet to the application program of the first controller, so that the TCP communication between the application program of the first controller and the external device may be implemented.

In the display device, the ways for the application program to acquire the IP address include three ways, namely, an Android Framework interface acquisition IP, an Android OpenJDK interface acquisition IP, and an ioctl system call interface acquisition IP, but the IPs acquired by the application program through the three ways are all the IPs of the system, that is, if the IP address acquired by the application program of the first controller through the three ways is the IP address of the first controller, in order to enable the application program of the first controller to acquire the IP address of the second controller, the application provides a method for spoofing the IP, and the principle thereof is as follows:

the second controller sends a broadcast containing the IP address of the system when the network is connected or disconnected every time, the transtonov service of the second controller receives the broadcast, extracts the IP address in the broadcast and puts the extracted IP address into a preset connection _ change _ from _ n broadcast of the application, and the broadcast is sent to the first controller through a hipc communication architecture; after receiving the information of the hipaseservice architecture, the hibaseservice service of the first controller sends a connection _ change _ from _ n broadcast in a system of the first controller; after receiving the connection _ change _ from _ n broadcast, the connection type service of the first controller changes the return values of the android interface, the jdk interface and the ioctl system call interface to the IP address of the second controller obtained from the connection _ change _ from _ n broadcast, so that when the application program of the first controller calls any one of the android interface, the jdk interface and the ioctl system call interface, the obtained IP address is the IP address of the second controller.

Of course, the above description is only one exemplary way to obtain the IP address of the second controller for the application program of the first controller, and those skilled in the art may also adopt other customized ways to obtain the IP address of the second controller from the application program of the first controller.

The source address of a first TCP data packet generated by an application program of the first controller is the IP address of the second controller, the destination address is the IP address of the external equipment, and the first TCP data packet also comprises a port number of a first opened port allocated for the application program in the first internal communication network card. And the first internal communication network card forwards the first TCP data packet to a second internal communication network card.

Step S140: and the second controller sends the first TCP data packet to the external equipment according to the IP address of the external equipment as the destination address of the first TCP data packet.

And after receiving the first TCP data packet through the second internal communication network card, the second control schedule of the second controller forwards the first TCP data packet to a route where the external equipment is located according to the IP address of the external equipment as the destination address of the first TCP data packet, and finally reaches the external equipment, so that the TCP communication in the direction from the first controller to the external equipment is realized.

To illustrate the communication process from the external device to the first controller, a third aspect of the present application shows a flowchart of another port control method, specifically, referring to fig. 9, the method is applied to a display device, the display device includes a first controller and a second controller, and the method includes the following steps:

step S210: the first controller collects first port information of an opened port of the first controller according to a preset period and sends the first port information to the second controller.

Step S220: the second controller controls the second port information of the opened port of the second controller to be consistent with the first port information, and monitors the second port.

Steps S210 to S220 are preparatory steps before the external device sends the second TCP packet, and in order to ensure that the second TCP packet sent by the external device is successfully received, the second port that receives the second TCP packet needs to be monitored in advance, and after steps S110 to S120 are executed, the second port that needs to receive the second TCP packet may be opened and monitored.

Step S230: and the second controller sends the second TCP data packet received by the second port to the first controller.

After an application program of the first controller sends a first TCP data packet containing a second controller IP address and a first port number to the external equipment in an IP spoofing mode, the external equipment can generate a response data packet according to the first TCP data packet, the response data packet is marked as a second TCP data packet, the external equipment sets a destination address of the second TCP data packet as the IP address of the second controller and attaches a destination port as the first port, and the external equipment sends the second TCP data packet to a second port of an external communication network card of the second controller.

And the second internal communication network card forwards the second TCP data packet received by the second port to the first controller through the second port.

Step S240: and the first controller sends the second TCP data packet to the first port corresponding to the port number according to the port number of the destination port in the second TCP data packet.

And after receiving the second TCP data packet, the first internal communication network card of the first controller acquires the port number of the destination port in the second TCP data packet, sends the second TCP data packet to the first port corresponding to the port number, and calls the application program of the first port to acquire the second TCP data packet from the first port, so that TCP communication in the direction from the external equipment to the first controller is realized.

In a fourth aspect, the present application shows a computer-readable storage medium having stored thereon a computer program which, when executed, implements the device discovery method of the second or third aspect.

As can be seen from the above embodiments, in the present application, an application on a first controller is set to obtain an IP address of a second controller, a first TCP packet with a source address as the IP address of the second controller and a destination address as the IP address of an external device is generated, and then the first TCP packet is sent to the second controller, so that the second controller sends the first TCP packet to the external device according to the destination address of the first TCP packet as the IP address of the external device, thereby solving the problem that the IP address of the first controller and the IP address of the external device cannot establish a connection, and achieving communication between the application on the first controller and the external device; furthermore, the second controller controls the switch of the port of the second controller according to the first port information of the first controller, so that not only can the communication between the external equipment and the first controller be ensured, but also the port which is not required to be connected with the first controller can be released, and the occupation of port resources is reduced.

It should be understood that the terms "first," "second," "third," and the like in the description and in the claims of the present application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used are interchangeable under appropriate circumstances and can, for example, be implemented in sequences other than those illustrated or otherwise described herein with reference to the embodiments of the application.

Furthermore, the terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a product or device that comprises a list of elements is not necessarily limited to those elements explicitly listed, but may include other elements not expressly listed or inherent to such product or device.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A display device, comprising: a first controller and a second controller,

the first controller is configured to collect first port information of an opened port of the first controller according to a preset period; sending the first port information to a second controller;

the second controller is configured to control second port information of the opened port of the second controller to be consistent with the first port information; monitoring the second port;

2. The display device according to claim 1, wherein the first controller is provided with a first control schedule configured to collect first port information of an opened port of the first controller according to a preset cycle; judging whether the first port information is the same as the historical port information of the previous preset period or not; and if the first port information is different from the historical port information, sending the first port information to the second controller.

3. The display device according to claim 1, wherein the second controller is provided with a second control schedule, and the second control schedule is configured to compare the first port information with historical port information of a previous preset period to obtain newly opened port information and newly closed port information, open a second port corresponding to the newly opened port information in the second controller, and close a second port corresponding to the newly closed port information in the second controller.

4. The display device according to claim 1, wherein the first controller is provided with a first control schedule configured to control the first port information sending port of the first internal communication network card and the first port information receiving port of the second internal communication network card to establish a connection; and sending the first port information opened by the first controller to the first port information receiving port through the first port information sending port.

5. The display device according to claim 4, wherein the second controller is provided with a second control schedule configured to create a socket to listen to the first port information receiving port.

6. A port control method is applied to a display device, the display device comprises a first controller and a second controller, and the method comprises the following steps:

7. A computer-readable storage medium, having stored thereon a computer program which, when executed, implements the port control method of claim 6.