CN114390190A

CN114390190A - Display equipment and method for monitoring application to start camera

Info

Publication number: CN114390190A
Application number: CN202011142108.6A
Authority: CN
Inventors: 孔祥键; 刘晋
Original assignee: Hisense Visual Technology Co Ltd
Current assignee: Hisense Visual Technology Co Ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2022-04-22
Anticipated expiration: 2040-10-22
Also published as: WO2022083357A1; CN114390190B

Abstract

The application discloses a display device and a method for monitoring application starting cameras, wherein when the application starting cameras on the display device are monitored, whether the application is a foreground application or a first preset application is judged; if the application is foreground application or first predetermined application, allowing the application to start the camera, and if the application is not foreground application or first predetermined application, refusing the application to start the camera, so that the camera is prevented from being started under the condition that some applications are unknown by a user.

Description

Display equipment and method for monitoring application to start camera

Technical Field

The application relates to the technical field of display equipment, in particular to display equipment and a method for monitoring application to start a camera.

Background

The display device may provide a user with a play screen such as audio, video, pictures, and the like. Nowadays, display devices can provide users with not only live television program content received through data broadcasting, but also various applications and service content such as network video, network games, and the like.

In order to further meet the personalized requirements of users, in the related art, a camera is configured on display equipment, local image data acquired by the camera is acquired through a controller of the display equipment, and is processed and displayed, and functions of video chatting, photographing, video recording and the like are realized on the display equipment.

Disclosure of Invention

The application provides a display device and a method for monitoring application starting cameras, and the situation that some applications start the cameras under the condition that users do not know is avoided.

In a first aspect, the present application provides a display device comprising: the device comprises a display, a camera and a controller;

the controller configured to:

when the situation that the camera is started by the application is monitored, judging whether the application is a foreground application or a first preset application;

if the application is a foreground application or a first preset application, allowing the application to start a camera;

and if the application is not foreground application or first preset application, refusing the application to start the camera.

In a second aspect, the present application provides a display device comprising: a display, a controller, and an external device interface;

in a case where a camera is connected to the controller through the external device interface, the controller is configured to:

In a third aspect, the present application further provides a method for monitoring application starting of a camera, where the method is applied to a display device, where the display device includes a camera, and the method includes:

when it is monitored that the camera is started by the application on the display equipment, judging whether the application is a foreground application or a first preset application;

In a fourth aspect, the present application further provides a method for monitoring an application to start a camera, where the method is applied to a display apparatus, where the display apparatus includes an external device interface, and the camera is connected to the display apparatus through the external device interface, and the method includes:

According to the technical scheme, the application starts the camera by the display equipment and the method for monitoring the application, when the situation that the application on the display equipment starts the camera is monitored, whether the application is a foreground application or a first preset application is judged; if the application is foreground application or first predetermined application, allowing the application to start the camera, and if the application is not foreground application or first predetermined application, refusing the application to start the camera, so that the camera is prevented from being started under the condition that some applications are unknown by a user.

Drawings

In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without any creative effort.

FIG. 1 is a schematic illustration of an operational scenario between a display device and a control apparatus shown herein according to an exemplary embodiment;

fig. 2 is a block diagram illustrating a hardware configuration of a display device 200 according to an exemplary embodiment of the present application;

fig. 3 is a block diagram illustrating a hardware configuration of the control apparatus 100 according to an exemplary embodiment of the present application;

fig. 4 is a schematic diagram illustrating a software configuration in a display device 200 according to an exemplary embodiment of the present application;

FIG. 5 is a schematic illustration of an icon control interface display of an application in a display device 200 shown in accordance with an exemplary embodiment of the present application;

FIG. 6a is a schematic diagram of an external view of a display device according to an exemplary embodiment of the present application;

FIG. 6b is a schematic diagram of an external camera of a display device according to an exemplary embodiment of the present application;

FIG. 7 is a user interface shown in some embodiments of the present application;

8(a) -8 (c) are user interfaces that the present application illustrates in some embodiments;

9(a) -9 (c) are user interfaces that the present application illustrates in some embodiments;

fig. 10 is a flowchart of a method for monitoring a camera start by an application according to some embodiments of the present disclosure.

Detailed Description

Reference will now be made in detail to embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following examples do not represent all embodiments consistent with the present application. But merely as exemplifications of systems and methods consistent with certain aspects of the application, as recited in the claims.

All other embodiments, which can be derived by a person skilled in the art from the exemplary embodiments described herein without inventive step, are intended to be within the scope of the claims appended hereto. In addition, while the disclosure herein has been presented in terms of one or more exemplary examples, it should be appreciated that aspects of the disclosure may be implemented solely as a complete embodiment.

It should be noted that the brief descriptions of the terms in the present application are only for the convenience of understanding the embodiments described below, and are not intended to limit the embodiments of the present application. These terms should be understood in their ordinary and customary meaning unless otherwise indicated.

The terms "first," "second," "third," and the like in the description and claims of this application and in the above-described drawings are used for distinguishing between similar or analogous objects or entities and are not necessarily intended to limit the order or sequence of any particular one, Unless otherwise indicated. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.

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.

The term "module," as used herein, refers 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 this application refers to a component of an electronic device (such as the display device disclosed in this application) that is typically wirelessly controllable over a relatively short range of distances. Typically using infrared and/or Radio Frequency (RF) signals and/or bluetooth to connect with the electronic device, and may also include WiFi, wireless USB, bluetooth, motion sensor, 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 this application refers to a user's behavior through a change in hand shape or an action such as hand motion to convey a desired idea, action, purpose, or result.

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 device 200 through the mobile terminal 300 and the control apparatus 100.

In some embodiments, the control apparatus 100 may be a remote controller, and the communication between the remote controller and the display device includes an infrared protocol communication or a bluetooth protocol communication, and other short-distance communication methods, etc., and the display device 200 is controlled by wireless or other wired methods. The user may input a user command through a key on a remote controller, voice input, control panel input, etc. to control the display apparatus 200. Such as: the user can input a corresponding control command through a volume up/down key, a channel control key, up/down/left/right moving keys, a voice input key, a menu key, a power on/off key, etc. on the remote controller, to implement the function of controlling the display device 200.

In some embodiments, mobile terminals, tablets, computers, laptops, and other smart devices may also be used to control the display device 200. For example, the display device 200 is controlled using an application program running on the smart device. The application, through configuration, may provide the user with various controls in an intuitive User Interface (UI) on a screen associated with the smart device.

In some embodiments, the mobile terminal 300 may install a software application with the display device 200 to implement connection communication through a network communication protocol for the purpose of one-to-one control operation and data communication. Such as: the mobile terminal 300 and the display device 200 can establish a control instruction protocol, synchronize a remote control keyboard to the mobile terminal 300, and control the display device 200 by controlling a user interface on the mobile terminal 300. The audio and video content displayed on the mobile terminal 300 can also be transmitted to the display device 200, so as to realize the synchronous display function.

As also shown in fig. 1, the display apparatus 200 also performs data communication with the server 400 through various communication means. The display device 200 may be allowed to be communicatively connected through a Local Area Network (LAN), a Wireless Local Area Network (WLAN), and other networks. The server 400 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, as well as Electronic Program Guide (EPG) interactions. The server 400 may be a cluster or a plurality of clusters, and may include one or more types of servers. Other web service contents such as video on demand and advertisement services are provided through the server 400.

The display device 200 may be a liquid crystal display, an OLED display, a projection display device. The particular 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 of a computer support function including, but not limited to, a network tv, an intelligent tv, an Internet Protocol Tv (IPTV), and the like, in addition to the broadcast receiving tv function.

A hardware configuration block diagram of a display device 200 according to an exemplary embodiment is exemplarily shown in fig. 2.

In some embodiments, at least one of the controller 250, the tuner demodulator 210, the communicator 220, the detector 230, the input/output interface 255, the display 275, the audio output interface 285, the memory 260, the power supply 290, the user interface 265, and the external device interface 240 is included in the display apparatus 200.

In some embodiments, a display 275 receives image signals originating from the first processor output and displays video content and images and components of the menu manipulation interface.

In some embodiments, the display 275, includes a display screen assembly for presenting a picture, and a driving assembly that drives the display of an image.

In some embodiments, the video content is displayed from broadcast television content, or alternatively, from various broadcast signals that may be received via wired or wireless communication protocols. Alternatively, various image contents received from the network communication protocol and sent from the network server side can be displayed.

In some embodiments, the display 275 is used to present a user-manipulated UI interface generated in the display apparatus 200 and used to control the display apparatus 200.

In some embodiments, a driver assembly for driving the display is also included, depending on the type of display 275.

In some embodiments, display 275 is a projection display and may also include a projection device and a projection screen.

In some embodiments, communicator 220 is a component for communicating with external devices or external servers according to various communication protocol types. For example: the communicator may include at least one of a Wifi chip, a bluetooth communication protocol chip, a wired ethernet communication protocol chip, and other network communication protocol chips or near field communication protocol chips, and an infrared receiver.

In some embodiments, the display apparatus 200 may establish control signal and data signal transmission and reception with the external control apparatus 100 or the content providing apparatus through the communicator 220.

In some embodiments, the user interface 265 may be configured to receive infrared control signals from a control device 100 (e.g., an infrared remote control, etc.).

In some embodiments, the detector 230 is a signal used by the display device 200 to collect an external environment or interact with the outside.

In some embodiments, the detector 230 includes a light receiver, a sensor for collecting the intensity of ambient light, and parameters changes can be adaptively displayed by collecting the ambient light, and the like.

In some embodiments, the detector 230 may further include an image collector, such as a camera, etc., which may be configured to collect external environment scenes, collect attributes of the user or gestures interacted with the user, adaptively change display parameters, and recognize user gestures, so as to implement a function of interaction with the user.

In some embodiments, the detector 230 may also include a temperature sensor or the like, such as by sensing ambient temperature.

In some embodiments, the display apparatus 200 may adaptively adjust a display color temperature of an image. For example, the display apparatus 200 may be adjusted to display a cool tone when the temperature is in a high environment, or the display apparatus 200 may be adjusted to display a warm tone when the temperature is in a low environment.

In some embodiments, the detector 230 may also be a sound collector or the like, such as a microphone, which may be used to receive the user's voice. Illustratively, a voice signal including a control instruction of the user to control the display device 200, or to collect an ambient sound for recognizing an ambient scene type, so that the display device 200 can adaptively adapt to an ambient noise.

In some embodiments, as shown in fig. 2, the input/output interface 255 is configured to allow data transfer between the controller 250 and external other devices or other controllers 250. Such as receiving video signal data and audio signal data of an external device, or command instruction data, etc.

In some embodiments, the external device interface 240 may include, but is not limited to, the following: the interface can be any one or more of a high-definition multimedia interface (HDMI), an analog or data high-definition component input interface, a composite video input interface, a USB input interface, an RGB port and the like. The plurality of interfaces may form a composite input/output interface.

In some embodiments, as shown in fig. 2, the tuning demodulator 210 is configured to receive a broadcast television signal through a wired or wireless receiving manner, perform modulation and demodulation processing such as amplification, mixing, resonance, and the like, and demodulate an audio and video signal from a plurality of wireless or wired broadcast television signals, where the audio and video signal may include a television audio and video signal carried in a television channel frequency selected by a user and an EPG data signal.

In some embodiments, the frequency points demodulated by the tuner demodulator 210 are controlled by the controller 250, and the controller 250 can send out control signals according to user selection, so that the modem responds to the television signal frequency selected by the user and modulates and demodulates the television signal carried by the frequency.

In some embodiments, the broadcast television signal may be classified into a terrestrial broadcast signal, a cable broadcast signal, a satellite broadcast signal, an internet broadcast signal, or the like according to the broadcasting system of the television signal. Or may be classified into a digital modulation signal, an analog modulation signal, and the like according to a modulation type. Or the signals are classified into digital signals, analog signals and the like according to the types of the signals.

In some embodiments, the controller 250 and the modem 210 may be located in different separate devices, that is, the modem 210 may also be located in an external device of the main device where the controller 250 is located, such as an external set-top box. Therefore, the set top box outputs the television audio and video signals modulated and demodulated by the received broadcast television signals to the main body equipment, and the main body equipment receives the audio and video signals through the first input/output interface.

In some embodiments, the controller 250 controls the operation of the display device and responds to user operations through various software control programs stored in memory. The controller 250 may control the overall operation of the display apparatus 200. For example: in response to receiving a user command for selecting a UI object to be displayed on the display 275, the controller 250 may perform an operation related to the object selected by the user command.

In some embodiments, 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 the 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.

As shown in fig. 2, the controller 250 includes at least one of a Random Access Memory 251 (RAM), a Read-Only Memory 252 (ROM), a video processor 270, an audio processor 280, other processors 253 (e.g., a Graphics Processing Unit (GPU), a Central Processing Unit 254 (CPU), a Communication Interface (Communication Interface), and a Communication Bus 256(Bus), which connects the respective components.

In some embodiments, RAM 251 is used to store temporary data for the operating system or other programs that are running.

In some embodiments, ROM 252 is used to store instructions for various system boots.

In some embodiments, the ROM 252 is used to store a Basic Input Output System (BIOS). The system is used for completing power-on self-test of the system, initialization of each functional module in the system, a driver of basic input/output of the system and booting an operating system.

In some embodiments, when the power-on signal is received, the display device 200 starts to power up, the CPU executes the system boot instruction in the ROM 252, and copies the temporary data of the operating system stored in the memory to the RAM 251 so as to start or run the operating system. After the start of the operating system is completed, the CPU copies the temporary data of the various application programs in the memory to the RAM 251, and then, the various application programs are started or run.

In some embodiments, processor 254 is used to execute operating system and application program instructions stored in memory. 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.

In some demonstrative embodiments, processor 254 may include a plurality of processors. The plurality of processors may include a main processor and one or more sub-processors. 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. One or more sub-processors for one operation in a standby mode or the like.

In some embodiments, the graphics processor 253 is used to generate 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 the system comprises a renderer for rendering various objects obtained based on the arithmetic unit, wherein the rendered objects are used for being displayed on a display.

In some embodiments, the video processor 270 is configured to receive an external video signal, and perform video processing such as decompression, decoding, scaling, noise reduction, frame rate conversion, resolution conversion, image synthesis, and the like according to a standard codec protocol of the input signal, so as to obtain a signal that can be displayed or played on the direct display device 200.

In some embodiments, video processor 270 includes a demultiplexing module, a video decoding module, an image synthesis 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 is used for carrying out superposition mixing processing on the GUI signal input by the user or generated by the user and the video image after the zooming processing by the graphic generator so as to generate an image signal for display.

The frame rate conversion module is configured to convert an input video frame rate, such as a 60Hz frame rate into a 120Hz frame rate or a 240Hz frame rate, and the normal format is implemented in, for example, an interpolation frame mode.

The display format module is used for converting the received video output signal after the frame rate conversion, and changing the signal to conform to the signal of the display format, such as outputting an RGB data signal.

In some embodiments, the graphics processor 253 and the video processor may be integrated or separately configured, and when the graphics processor and the video processor are integrated, the graphics processor and the video processor may perform processing of graphics signals output to the display, and when the graphics processor and the video processor are separately configured, the graphics processor and the video processor may perform different functions, respectively, for example, a GPU + frc (frame Rate conversion) architecture.

In some embodiments, the audio processor 280 is configured to receive an external audio signal, decompress and decode the received audio signal according to a standard codec protocol of the input signal, and perform noise reduction, digital-to-analog conversion, and amplification processes to obtain an audio signal that can be played in a speaker.

In some embodiments, video processor 270 may comprise one or more chips. The audio processor may also comprise one or more chips.

In some embodiments, the video processor 270 and the audio processor 280 may be separate chips or may be integrated together with the controller in one or more chips.

In some embodiments, the audio output, under the control of controller 250, receives sound signals output by audio processor 280, such as: the speaker 286, and an external sound output terminal of a generating device that can output to an external device, in addition to the speaker carried by the display device 200 itself, such as: external sound interface or earphone interface, etc., and may also include a near field communication module in the communication interface, for example: and the Bluetooth module is used for outputting sound of the Bluetooth loudspeaker.

The power supply 290 supplies power to the display device 200 from the power input from the external power source under the control of the controller 250. The power supply 290 may include a built-in power supply circuit installed inside the display apparatus 200, or may be a power supply interface installed outside the display apparatus 200 to provide an external power supply in the display apparatus 200.

A user interface 265 for receiving an input signal of a user and then transmitting the received user input signal to the controller 250. The user input signal may be a remote controller signal received through an infrared receiver, and various user control signals may be received through the network communication module.

In some embodiments, the user inputs a user command through the control apparatus 100 or the mobile terminal 300, the user input interface responds to the user input through the controller 250 according to the user input, and the display device 200 responds to the user input through the controller 250.

In some embodiments, a user may enter user commands on a Graphical User Interface (GUI) displayed on the display 275, and the user 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 user input interface receives the user input command by recognizing the sound or gesture through the sensor.

In some embodiments, a "user interface" is a media interface for interaction and information exchange between an application or operating system and a user that enables conversion between an internal form of information and a form that is acceptable to the user. A commonly used presentation form of the User Interface is a Graphical User Interface (GUI), which refers to a User Interface related to computer operations and displayed in a graphical manner. It may be an interface element such as an icon, a window, a control, etc. displayed in the display screen of the electronic device, where the control may include a visual interface element such as an icon, a button, a menu, a tab, a text box, a dialog box, a status bar, a navigation bar, a Widget, etc.

The memory 260 includes a memory storing various software modules for driving the display device 200. Such as: various software modules stored in the first memory, including: at least one of a basic module, a detection module, a communication module, a display control module, a browser module, and various service modules.

The base module is a bottom layer software module for signal communication between various hardware in the display device 200 and for sending processing and control signals to the upper layer module. The detection module is used for collecting various information from various sensors or user input interfaces, and the management module is used for 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 used for controlling the display to display the image content, and can be used for playing the multimedia image content, UI interface and other information. And the communication module is used for carrying out control and data communication with external equipment. And the browser module is used for executing a module for data communication between browsing servers. And the service module is used for providing various services and modules including various application programs. Meanwhile, the memory 260 may store a visual effect map for receiving external data and user data, images of various items in various user interfaces, and a focus object, etc.

Fig. 3 exemplarily shows a block diagram of a configuration of the control apparatus 100 according to an exemplary embodiment. As shown in fig. 3, the control apparatus 100 includes a controller 110, a communication interface 130, a user input/output interface, a memory, and a power supply source.

The control device 100 is configured to control the display device 200 and may receive an input operation instruction of a user and convert the operation instruction into an instruction recognizable and responsive by the display device 200, serving as an interaction intermediary between the user and the display device 200. Such as: the user responds to the channel up and down operation by operating the channel up and down keys on the control device 100.

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

In some embodiments, as shown in fig. 1, a mobile terminal 300 or other intelligent electronic device may function similar to the control device 100 after installing an application that manipulates the display device 200. Such as: the user may implement the functions of controlling the physical keys of the device 100 by installing applications, various function keys or virtual buttons of a graphical user interface available on the mobile terminal 300 or other intelligent electronic device.

The controller 110 includes a processor 112 and RAM 113 and ROM 114, a communication interface 130, and a communication bus. The controller is used to control the operation of the control device 100, as well as the communication cooperation between the internal components and the external and internal data processing functions.

The communication interface 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 communication interface 130 may include at least one of a WiFi chip 131, a bluetooth module 132, an NFC module 133, and other near field communication modules.

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, keys 144, and other input interfaces. 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 instruction 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 communication interface 130 and an input-output interface 140. The control device 100 is provided with a communication interface 130, such as: the WiFi, bluetooth, NFC, etc. modules may transmit the user input command to the display device 200 through the WiFi protocol, or the bluetooth protocol, or the NFC protocol code.

A memory 190 for storing various operation programs, data and applications for driving and controlling the control apparatus 200 under the control of the controller. 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 various elements of the control device 100 under the control of the controller. A battery and associated control circuitry.

In some embodiments, the system may include a Kernel (Kernel), a command parser (shell), a file system, and an application program. The kernel, shell, and file system together make up the basic operating system structure that allows users to manage files, run programs, and use the system. After power-on, the kernel is started, kernel space is activated, hardware is abstracted, hardware parameters are initialized, and virtual memory, a scheduler, signals and interprocess communication (IPC) are operated and maintained. And after the kernel is started, loading the Shell and the user application program. The application program is compiled into machine code after being started, and a process is formed.

Referring to fig. 4, in some embodiments, the system is divided into four layers, which are an Application (Applications) layer (abbreviated as "Application layer"), an Application Framework (Application Framework) layer (abbreviated as "Framework layer"), an Android runtime (Android runtime) and system library layer (abbreviated as "system runtime library layer"), and a kernel layer from top to bottom.

In some embodiments, at least one application program runs in the application program layer, and the application programs can be Window (Window) programs carried by an operating system, system setting programs, clock programs, camera applications and the like; or may be an application developed by a third party developer such as a hi program, a karaoke program, a magic mirror program, or the like. In specific implementation, the application packages in the application layer are not limited to the above examples, and may actually include other application packages, which is not limited in this embodiment of the present application.

The framework layer provides an Application Programming Interface (API) and a programming framework for the application program of the application layer. The application framework layer includes a number of predefined functions. The application framework layer acts as a processing center that decides to let the applications in the application layer act. The application program can access the resources in the system and obtain the services of the system in execution through the API interface.

As shown in fig. 4, in the embodiment of the present application, the application framework layer includes a manager (Managers), a Content Provider (Content Provider), and the like, where the manager includes at least one of the following modules: an Activity Manager (Activity Manager) is used for interacting with all activities running in the system; the Location Manager (Location Manager) is used for providing the system service or application with the access of the system Location service; a Package Manager (Package Manager) for retrieving various information related to an application Package currently installed on the device; a Notification Manager (Notification Manager) for controlling display and clearing of Notification messages; a Window Manager (Window Manager) is used to manage the icons, windows, toolbars, wallpapers, and desktop components on a user interface.

In some embodiments, the activity manager is to: managing the life cycle of each application program and the general navigation backspacing function, such as controlling the exit of the application program (including switching the user interface currently displayed in the display window to the system desktop), opening, backing (including switching the user interface currently displayed in the display window to the previous user interface of the user interface currently displayed), and the like.

In some embodiments, the window manager is configured to manage all window processes, such as obtaining a display size, determining whether a status bar is available, locking a screen, intercepting a screen, controlling a display change (e.g., zooming out, dithering, distorting, etc.) and the like.

In some embodiments, the system runtime layer provides support for the upper layer, i.e., the framework layer, and when the framework layer is used, the android operating system runs the C/C + + library included in the system runtime layer to implement the functions to be implemented by the framework layer.

In some embodiments, the kernel layer is a layer between hardware and software. As shown in fig. 4, the core layer includes at least one of the following drivers: audio drive, display drive, bluetooth drive, camera drive, WIFI drive, USB drive, HDMI drive, sensor drive (such as fingerprint sensor, temperature sensor, touch sensor, pressure sensor, etc.), and so on.

In some embodiments, the kernel layer further comprises a power driver module for power management.

In some embodiments, software programs and/or modules corresponding to the software architecture of fig. 4 are stored in the first memory or the second memory shown in fig. 2 or 3.

In some embodiments, taking the magic mirror application (photographing application) as an example, when the remote control receiving device receives a remote control input operation, a corresponding hardware interrupt is sent to the kernel layer. The kernel layer processes the input operation into an original input event (including information such as a value of the input operation, a timestamp of the input operation, etc.). The raw input events are stored at the kernel layer. The application program framework layer obtains an original input event from the kernel layer, identifies a control corresponding to the input event according to the current position of the focus and uses the input operation as a confirmation operation, the control corresponding to the confirmation operation is a control of a magic mirror application icon, the magic mirror application calls an interface of the application framework layer to start the magic mirror application, and then the kernel layer is called to start a camera driver, so that a static image or a video is captured through the camera.

In some embodiments, for a display device with a touch function, taking a split screen operation as an example, the display device receives an input operation (such as a split screen operation) that a user acts on a display screen, and the kernel layer may generate a corresponding input event according to the input operation and report the event to the application framework layer. The window mode (such as multi-window mode) corresponding to the input operation, the position and size of the window and the like are set by an activity manager of the application framework layer. And the window management of the application program framework layer draws a window according to the setting of the activity manager, then sends the drawn window data to the display driver of the kernel layer, and the display driver displays the corresponding application interface in different display areas of the display screen.

In some embodiments, as shown in fig. 5, the application layer containing at least one application may display a corresponding icon control in the display, such as: the system comprises a live television application icon control, a video on demand application icon control, a media center application icon control, an application center icon control, a game application icon control and the like.

In some embodiments, the live television application may provide live television via 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 the display device 200.

In some embodiments, 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.

In some embodiments, the media center application may provide various applications for multimedia content playback. For example, a media center, which may be other than live television or video on demand, may provide services that a user may access to various images or audio through a media center application.

In some embodiments, an application center may provide storage for various applications. 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 the smart television. The application center may obtain these applications from different sources, store them in local storage, and then be operable on the display device 200.

In some embodiments, the display device itself comprises a camera, i.e. the camera is built into the display device, as shown in fig. 6 a.

In other embodiments, the display apparatus itself does not include a camera, i.e. the camera is connected to the controller 250 of the display apparatus through the external device interface 240 on the display apparatus, as shown in fig. 6 b.

In the embodiment of the application, the camera as a detector can be internally or externally connected to the display device. After the camera is started to operate, image data can be collected. The camera can be connected with the controller through the interface component, so that the acquired image data can be sent to the controller for processing.

Camera applications, which refer to applications that require access to the camera, such as "magic mirror" applications, "hi" applications, "karaoke" applications, and so on. The camera application may start the camera through a camera control service (CameraService) in the system frame layer, for example, send a start instruction to the camera control service, and control the camera to start after the start instruction received by the camera control service. Because arbitrary camera application can all start the camera, consequently appear some very easily and open the camera under the condition that the user is unknown and cause user privacy to reveal.

To solve this problem, the present application provides a display device in which a controller 250 is configured to: monitoring whether an application starts a camera or not; when the situation that the camera is started by the application is monitored, judging whether the application is a foreground application or a first preset application; if the application is a foreground application or a first preset application, allowing the application to start a camera; and if the application is not foreground application or first preset application, refusing the application to start the camera.

In some embodiments, the controller generates a first application set in advance, where the first application set includes application information corresponding to a first predetermined application, and the first predetermined application is an application that the user allows to start the camera in the background. When the controller monitors that the application starts the camera, acquiring application information corresponding to the application, judging whether the application information corresponding to the application is consistent with application information of foreground application or not, and judging whether the application information corresponding to the application is contained in a first application set or not; if the application information corresponding to the application is consistent with the application information of the foreground application, the application is the foreground application; if the application information corresponding to the application is included in the first application set, the application is a first predetermined application. The application information corresponding to the application may include a package name and an application name of the application.

In some embodiments, the controller generates a second application set in advance, where the second application set includes application information corresponding to a second predetermined application, and the second predetermined application is an application for the user to prohibit the background from starting the camera. In the case that the application for starting the camera is not the first predetermined application or the foreground application, after the controller refuses the application to start the camera, judging whether the application is the second predetermined application according to the application information of the application and the stored second application set, and if the application is not the second predetermined application, displaying warning information for prompting a user; displaying a first control and a second control, wherein the first control is used for triggering the application to be set as a first preset application, and the second control is used for triggering the application to be set as a second preset application; if user operation on the first control is received, adding application information corresponding to the application into a first application set; and if the user operation on the second control is received, adding the application information corresponding to the application into a second application set.

Fig. 7 is a user interface that is shown in some embodiments of the present application containing both warning information, a first control, and a second control, i.e., a user interface that is displayed in response to determining that the application that launched the camera is not a second predetermined application. As shown in fig. 7, the warning message displayed on the interface is specifically "the current xx application is using the camera in the background, please confirm whether to know; if the user is in the initiative, the user can click to allow the application to be added into a white list, and the user can default to allow the application to be used in the background subsequently; if the application is not allowed to be clicked and prohibited, the application is prohibited from being used in the background subsequently, so that the privacy of the user is prevented from being acquired; the first control displayed is specifically named "allow" and the second control is specifically named "prohibit".

In some embodiments, all of the first predetermined applications may be presented in a visual list of applications in the user interface, with the application names of the first predetermined applications being explicitly displayed in the list so that the user may view all of the first predetermined applications collectively.

Fig. 8(a) is a visual application list containing first predefined applications shown in some embodiments of the present application, including, as shown in fig. 8(a), "magic mirror" applications, "AI fitness" applications, and "video call" applications, which may open a camera in the background. The user can set a new first predetermined application by operating the "add application" control, and can delete the set first predetermined application from the list by operating the "delete application" control.

In some embodiments, all of the second predetermined applications may be presented in a visual list of applications in the user interface, with the application names of the second predetermined applications being explicitly displayed in the list, so that the user may view all of the second predetermined applications collectively.

Fig. 8(b) is a visual application list containing second predetermined applications shown in some embodiments of the present application, including "cloud audiovisual" applications, "fast-handed" applications, and "live" applications that are prohibited from opening the camera in the background, as shown in fig. 8 (b). The user can set a new second predetermined application by operating the "add application" control, and can delete the set second predetermined application from the list by operating the "delete application" control.

Illustratively, when the karaoke application runs in the foreground, if it is monitored that the magic mirror application starts the camera through the camera control service, the magic mirror application can be judged to be the first preset application according to the stored first application set, and therefore the camera is started according to a starting instruction sent by the magic mirror application. If the situation that the microblog application starts the camera through the camera control service is monitored, judging that the microblog application is not the first preset application according to the stored first application set, ignoring a starting instruction sent by the microblog application and not starting the camera; according to the saved second application set, it can be determined that the "microblog" application is not the second predetermined application, and therefore, a user interface including the warning information, the first control, and the second control is displayed, as shown in fig. 7. If the 'cloud audio-visual' application is monitored to start the camera through the camera control service, judging that the 'cloud audio-visual' application is not the first preset application according to the stored first application set, ignoring a starting instruction sent by the 'cloud audio-visual' application, and not starting the camera; the "cloud audiovisual" application can be determined to be a second predetermined application based on the saved second set of applications, and thus a user interface including the warning information, the first control, and the second control need not be displayed.

In some embodiments, the visual application list presenting the first predetermined application and the visual application list presenting the second predetermined application may be included in the same application list page, wherein the first predetermined application and the second predetermined application are tagged to different states so that the user can distinguish the first predetermined application, the second predetermined application, and other applications according to the display state of the applications.

FIG. 8(c) is a visual application list presenting all applications shown in some embodiments of the present application, as shown in FIG. 8(c), the first predetermined applications including a "magic mirror" application, an "AI fitness" application, and a "video call" application, which are labeled "allow" status; the second predetermined applications include "cloud audiovisual" applications, "quick-handed" applications, and "live" applications, which are marked as "disabled" states; other applications are marked as "unset" status, such as "microblog" applications, "headline" applications, "encyclopedia" applications, and the like.

In some embodiments, the user may increase or decrease the first predetermined application and the second predetermined application in a "setting".

For example, a user may control the display device to display an interface including at least one application option through one or more preset operations, for example, an interface including an application list including at least one application option; when the user interface is displayed, a user can select a designated application option through a first user operation and set the designated application option as a first predetermined application, that is, application information corresponding to the designated application is added to the first application set, and a user can select a designated application option through a second user operation and set the designated application option as a second predetermined application, that is, application information corresponding to the designated application is added to the second application set. The first user operation and the second user operation may be one user operation or may be a series of user operations including a plurality of user operations.

Fig. 9(a) to 9(c) are application interface change processes shown in some embodiments of the present application. FIG. 9(a) is a user interface including all applications shown in some embodiments of the present application, and when the user interface is displayed, the user can select a specific application option by moving the focus position, such as selecting the B application in FIG. 9 (a); fig. 9(B) is a user interface for setting a B application, which is shown in some embodiments of the present application, specifically, a user interface displayed after a user selects the B application in fig. 9(a) and determines that, when the user interface is displayed, the user can select an item "camera" for setting with a camera by moving a focus position; fig. 9(c) is another user interface for setting the B application, shown in some embodiments of the present application, specifically, a user interface displayed after the user selects the item "camera" in fig. 9(B) and determines that, when the interface is displayed, the user can set the B application as the first predetermined application or the second predetermined application by selecting "allow" or "prohibit".

In some embodiments, the user may control the display device to display the user interfaces of other applications besides the first predetermined application and/or the second predetermined application through one or more preset operations; when the user interface is displayed, a user can select a designated application through a first user operation and set the designated application as a first predetermined application, namely, application information corresponding to the designated application is added into a first application set, and a user can select a designated application through a second user operation and set the designated application as a second predetermined application, namely, application information corresponding to the designated application is added into a second application set. In some embodiments, the controller runs a framework layer, the framework layer includes a Camera control Service (Camera Service), when the application needs to start the Camera, the application sends a start instruction to the Camera control Service, and the Camera controller Service controls the Camera to be started according to the received start instruction.

In some embodiments, the camera control service monitors whether an application starts the camera according to whether a camera start instruction sent by the application is received. When a camera starting instruction sent by an application is received, acquiring application information of the application, such as an application package name or an application name, judging whether the application is a foreground application according to the application information, and judging whether the application is a first preset application according to a stored first application set. If the application is a first preset application or foreground application, controlling the camera to be started according to a starting instruction sent by the application, and if the application is not the first preset application or foreground application, controlling the camera not to be started according to the condition that the camera is not started; judging whether the application is a second preset application or not according to the stored second application set; if the application is not a second predetermined application, displaying warning information, and displaying a first control and a second control; if the application is a second predetermined application, no warning information is displayed, and neither the first control nor the second control is displayed.

According to the display device provided by the above embodiment, the present application further provides a method for monitoring an application to start a camera, where the method is applied to the display device provided by the above embodiment, as shown in fig. 10, the method may include:

and step 110, when it is monitored that the camera is started by the application, judging whether the application is a foreground application or a first preset application.

And step 120, if the application is a foreground application or a first predetermined application, allowing the application to start the camera.

And step 130, if the application is not the foreground application or the first preset application, refusing the application to start the camera.

In some embodiments, after rejecting the application to start the camera, the method further includes: judging whether the application is a second preset application; if the application is not the second predetermined application, displaying warning information for prompting the user; displaying a first control and a second control, wherein the first control is used for triggering the application to be set as a first preset application, and the second control is used for triggering the application to be set as a second preset application; if user operation on the first control is received, adding application information corresponding to the application into a first application list; and if the user operation on the second control is received, adding the application information corresponding to the application into a second application list.

In some embodiments, determining whether the application is a foreground application or a first predetermined application includes: acquiring application information corresponding to the application; if the application information corresponding to the application is consistent with the application information of the foreground application, judging the application to be the foreground application; if the application information corresponding to the application is contained in the first application set, judging that the application is a first preset application; the judging whether the application is a second predetermined application includes: and if the application information corresponding to the application is contained in a second application set, determining that the application is a second predetermined application.

In some embodiments, the method further comprises: displaying a user interface including at least one application option in response to a preset user input; receiving a first user operation, and deleting appointed application information in a first application set or a second application set according to the first user operation; or receiving a second user operation, and adding specified application information to the first application set or the second application set according to the second user operation.

In some embodiments, when it is monitored that the camera is started by the application, before determining whether the application is a foreground application or a first predetermined application, the method further includes: and monitoring whether the application starts the camera or not according to whether the camera control service receives an instruction of starting the camera or not.

It should be understood that the method for controlling a camera breathing lamp provided in the embodiment of the present application may include all the steps of configuring the display device controller of the present application, and reference may be made to the description in the embodiment of the display device for relevant points, which is not described herein again.

In specific implementation, the present invention further provides a computer storage medium, where the computer storage medium may store a program, and the program may include some or all of the steps in each embodiment of the method for monitoring the application to start the camera provided by the present invention when executed. The storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM) or a Random Access Memory (RAM).

Those skilled in the art will readily appreciate that the techniques of the embodiments of the present invention may be implemented as software plus a required general purpose hardware platform. Based on such understanding, the technical solutions in the embodiments of the present invention may be essentially or partially implemented in the form of a software product, which may be stored in a storage medium, such as ROM/RAM, magnetic disk, optical disk, etc., and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the embodiments or some parts of the embodiments.

The same and similar parts in the various embodiments in this specification may be referred to each other. In particular, as for the method embodiment, since it is substantially similar to the display device embodiment, the description is simple, and the relevant points can be referred to the description in the display device embodiment.

The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention.

Claims

1. A display device, comprising: the device comprises a display, a camera and a controller;

the controller configured to:

2. The display device according to claim 1, wherein after rejecting the application to start the camera, further comprising:

judging whether the application is a second preset application;

if the application is not the second predetermined application, displaying warning information for prompting the user;

displaying a first control and a second control, wherein the first control is used for triggering the application to be set as a first preset application, and the second control is used for triggering the application to be set as a second preset application;

if user operation on the first control is received, adding application information corresponding to the application into a first application list;

and if the user operation on the second control is received, adding the application information corresponding to the application into a second application list.

3. The display device according to claim 2, wherein the determining whether the application is a foreground application or a first predetermined application comprises:

acquiring application information corresponding to the application;

if the application information corresponding to the application is consistent with the application information of the foreground application, judging the application to be the foreground application;

if the application information corresponding to the application is contained in the first application set, judging that the application is a first preset application;

the judging whether the application is a second predetermined application includes:

and if the application information corresponding to the application is contained in a second application set, determining that the application is a second predetermined application.

4. The display device of claim 3, wherein the controller is further configured to:

displaying a user interface including at least one application option in response to a preset user input;

receiving a first user operation, and deleting appointed application information in a first application set or a second application set according to the first user operation; or,

and receiving a second user operation, and adding specified application information to the first application set or the second application set according to the second user operation.

5. The display device according to claim 1, wherein the controller comprises a camera control service configured to monitor whether an application starts a camera according to whether an instruction to start the camera is received; when the situation that the camera is started by the application is monitored, judging whether the application is a foreground application or a first preset application; if the application is a foreground application or a first preset application, starting a camera; and if the application is not foreground application or first preset application, not starting the camera.

6. A display device, comprising: a display, a controller, and an external device interface;

7. A method for monitoring application starting of a camera is applied to a display device, the display device comprises the camera, and the method comprises the following steps:

8. The method of claim 7, wherein after rejecting the application to launch the camera, further comprising:

judging whether the application is a second preset application;

9. The method of claim 8, wherein the determining whether the application is a foreground application or a first predetermined application comprises:

acquiring application information corresponding to the application;

10. A method for monitoring application starting camera, which is applied to a display device, wherein the display device comprises an external device interface, and a camera is connected to the display device through the external device interface, and the method comprises the following steps: