CN111726674B - HbbTV application starting method and display equipment - Google Patents

HbbTV application starting method and display equipment Download PDF

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Publication number
CN111726674B
CN111726674B CN202010577205.1A CN202010577205A CN111726674B CN 111726674 B CN111726674 B CN 111726674B CN 202010577205 A CN202010577205 A CN 202010577205A CN 111726674 B CN111726674 B CN 111726674B
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China
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application
hbbtv
channel
state
target
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CN202010577205.1A
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Chinese (zh)
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CN111726674A (en
Inventor
刘芳超
周立辉
王真
李艳红
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Vidaa Netherlands International Holdings BV
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Vidaa Netherlands International Holdings BV
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
    • H04N21/4383—Accessing a communication channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
    • H04N21/4431—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB characterized by the use of Application Program Interface [API] libraries
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/482—End-user interface for program selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/64—Addressing
    • H04N21/6405—Multicasting

Abstract

The application discloses a HbbTV application starting method and display equipment, which enable a user to actively select to start an HbbTV application. The display device includes: a display; a controller coupled to the display for performing: responding to a target HbbTV application selection instruction, and outputting a channel corresponding to the selected target HbbTV application; responding to a first channel selection instruction, wherein a first channel carried by the first channel selection instruction is selected from channels corresponding to the target HbbTV application, switching the display device to the first channel, starting the target HbbTV application in the first channel, updating the state, recorded by a state machine, corresponding to the HbbTV self-starting application to a first state, and the first state is used for indicating to stop starting the HbbTV self-starting application in the first channel.

Description

HbbTV application starting method and display equipment
Technical Field
The application relates to the technical field of display, in particular to a HbbTV application starting method and display equipment.
Background
Currently, more and more display devices support a Hybrid Broadcast Broadband TV (HbbTV) application.
The launching of the HbbTV application is typically associated with a channel. When the display equipment is switched to a current channel to play, an HbbTV self-starting (AutoStart) application corresponding to the current channel is started, wherein the HbbTV self-starting application comprises the HbbTV application corresponding to the current channel, so that a user can select any HbbTV application to watch.
However, according to the above starting procedure of the HbbTV application, the user can only select the HbbTV application corresponding to the current channel for viewing, and before the HbbTV self-starting application is started, the user often does not know which HbbTV applications correspond to the current channel, which causes the user to have limited selection of the HbbTV application, and it is difficult to actively select the HbbTV application for viewing.
Disclosure of Invention
The embodiment of the application provides a HbbTV application starting method and display equipment, which are used for actively selecting and starting a HbbTV application.
In a first aspect, a display device is provided, comprising:
a display;
a controller coupled to the display to perform:
responding to a target HbbTV application selection instruction, and outputting a channel corresponding to the selected target HbbTV application;
responding to a first channel selection instruction, wherein a first channel carried by the first channel selection instruction is selected from channels corresponding to the target HbbTV application, switching the display device to the first channel, starting the target HbbTV application under the first channel, and updating a state, recorded by a state machine, corresponding to the HbbTV self-starting application to a first state, wherein the first state is used for indicating to stop starting the HbbTV self-starting application under the first channel.
In a second aspect, there is provided an HbbTV application starting method applied to a display device, including:
responding to a target HbbTV application selection instruction, and outputting a channel corresponding to the selected target HbbTV application;
responding to a first channel selection instruction, wherein a first channel carried by the first channel selection instruction is selected from channels corresponding to the target HbbTV application, switching the display device to the first channel, starting the target HbbTV application under the first channel, and updating a state, recorded by a state machine, corresponding to the HbbTV self-starting application to a first state, wherein the first state is used for indicating to stop starting the HbbTV self-starting application under the first channel.
In the above embodiments, the display apparatus is capable of switching to the first channel and starting the target HbbTV application in response to the target HbbTV application selection instruction and in response to the selection instruction of the first channel corresponding to the target HbbTV application, and stopping the starting of the HbbTV self-starting application in the first channel by updating the state of the state machine. Thus, the user can actively select the target HbbTV application for viewing, rather than passively selecting the HbbTV application only after channel switching.
Drawings
Fig. 1A is a schematic diagram illustrating an operation scenario between the display device 200 and the control apparatus 100;
fig. 1B is a block diagram schematically illustrating a configuration of the control apparatus 100 in fig. 1A;
fig. 1C is a block diagram schematically illustrating a configuration of the display device 200 in fig. 1A;
a block diagram of the architectural configuration of the operating system in the memory of the display device 200 is illustrated in fig. 1D.
FIGS. 2A-2B are schematic diagrams illustrating the process of launching the HbbTV application;
3A-3B illustrate a flow chart for constructing a HbbTV application to channel correspondence;
schematic diagrams showing an HbbTV application are exemplarily shown in FIGS. 4A-4F;
FIGS. 5A-5B are diagrams illustrating the display of channels corresponding to the HbbTV application;
FIG. 6 is a flow chart illustrating a HbbTV application launching method;
a state transition diagram of the application launching state machine is illustrated in fig. 7.
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.
All other embodiments, which can be derived by a person skilled in the art from the exemplary embodiments shown in the present application without inventive step, are within the scope of protection of the present application. Moreover, while the disclosure herein has been presented in terms of exemplary one or more examples, it is to be understood that each aspect of the disclosure can be utilized independently and separately from other aspects of the disclosure to provide a complete disclosure.
The terms "comprises" and "comprising," and any variations thereof, as used herein, 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 "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, and/or result.
An object of the present application is to enable a display apparatus to provide an HbbTV application start manner based on an HbbTV application list so that a user can actively select to start an HbbTV application. For the purpose of understanding the present application, the structure of the display device is described below:
fig. 1A is a schematic diagram illustrating an operation scenario between the display device 200 and the control apparatus 100. As shown in fig. 1A, the control apparatus 100 and the display device 200 may communicate with each other in a wired or wireless manner.
Among them, the control apparatus 100 is configured to control the display device 200, which may receive an operation instruction input by a user and convert the operation instruction into an instruction recognizable and responsive by the display device 200, serving as an intermediary for 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.
The control device 100 may be a remote controller 100A, which includes infrared protocol communication or bluetooth protocol communication, and other short-distance communication methods, etc. to control the display apparatus 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 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.
The control device 100 may also be an intelligent device, such as a mobile terminal 100B, a tablet computer, a notebook computer, and the like. For example, the display device 200 is controlled using an application program running on the smart device. The application program can provide various controls for a user through an intuitive User Interface (UI) on a screen associated with the intelligent device through configuration.
For example, the mobile terminal 100B 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 100B may be caused to establish a control instruction protocol with the display device 200 to implement functions of physical keys as arranged in the remote control 100A by operating various function keys or virtual buttons of a user interface provided on the mobile terminal 100B. The audio and video contents displayed on the mobile terminal 100B may also be transmitted to the display device 200, so as to implement a synchronous display function.
The display apparatus 200 may be implemented as a television, and may provide an intelligent network television function of a broadcast receiving television function as well as a computer support function. Examples of the display device include a digital television, a web television, a smart television, an Internet Protocol Television (IPTV), and the like.
The display device 200 may be a liquid crystal display, an organic light emitting display, a projection display device. The specific display device type, size, resolution, etc. are not limited.
The display apparatus 200 also performs data communication with the server 300 through various communication means. Here, the display apparatus 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 300 may provide various contents and interactions to the display apparatus 200. By way of example, the display device 200 may send and receive information such as: receiving Electronic Program Guide (EPG) data, receiving software program updates, or accessing a remotely stored digital media library. 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.
Fig. 1B is a block diagram illustrating the configuration of the control device 100. As shown in fig. 1B, the control device 100 includes a controller 110, a memory 120, a communicator 130, a user input interface 140, an output interface 150, and a power supply 160.
The controller 110 includes a Random Access Memory (RAM) 111, a Read Only Memory (ROM) 112, a processor 113, 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 and the cooperation of communications, external and internal data processing functions.
Illustratively, when an interaction of a user pressing a key disposed on the remote controller 100A or an interaction of touching a touch panel disposed on the remote controller 100A is detected, the controller 110 may control to generate a signal corresponding to the detected interaction and transmit the signal to the display device 200.
And a memory 120 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 120 may store various control signal commands input by a user.
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 control apparatus 100 transmits a control signal (e.g., a touch signal or a button signal) to the display device 200 via the communicator 130, and the control apparatus 100 may receive the signal transmitted by the display device 200 via the communicator 130. The communicator 130 may include an infrared signal interface 131 and a radio frequency signal interface 132. For example: 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.
The user input interface 140 may include at least one of a microphone 141, a touch pad 142, a sensor 143, a key 144, and the like, so that a user can input a user instruction regarding controlling the display apparatus 200 to the control apparatus 100 through voice, touch, gesture, press, and the like.
The output interface 150 outputs a user instruction received by the user input interface 140 to the display apparatus 200, or outputs an image or voice signal received by the display apparatus 200. Here, the output interface 150 may include an LED interface 151, a vibration interface 152 generating vibration, a sound output interface 153 outputting sound, a display 154 outputting an image, and the like. For example, the remote controller 100A may receive an output signal such as audio, video, or data from the output interface 150 and display the output signal in the form of an image on the display 154, in the form of audio at the sound output interface 153, or in the form of vibration at the vibration interface 152.
And a power supply 160 for providing operation power support for each element of the control device 100 under the control of the controller 110. In the form of a battery and associated control circuitry.
A hardware configuration block diagram of the display device 200 is exemplarily illustrated in fig. 1C. As shown in fig. 1C, the display apparatus 200 may further include a tuner demodulator 210, a communicator 220, a detector 230, an external device interface 240, a controller 250, a memory 260, a user interface 265, a video processor 270, a display 275, an audio processor 280, an audio input interface 285, and a power supply 290.
The tuner demodulator 210 receives the broadcast television signal in a wired or wireless manner, may perform modulation and demodulation processing such as amplification, mixing, and resonance, and is configured to demodulate, from a plurality of wireless or wired broadcast television signals, an audio/video signal carried in a frequency of a television channel selected by a user, and additional information (e.g., EPG data).
The tuner demodulator 210 is responsive to the user selected frequency of the television channel and the television signal carried by the frequency, as selected by the user and as controlled by the controller 250.
The tuner demodulator 210 can receive a television signal in various ways according to the broadcasting system of the television signal, such as: terrestrial broadcasting, cable broadcasting, satellite broadcasting, internet broadcasting, or the like; and according to different modulation types, a digital modulation mode or an analog modulation mode can be adopted; and can demodulate the analog signal and the digital signal according to different types of the received television signals.
In other exemplary embodiments, the tuning demodulator 210 may also be in an external device, such as an external set-top box. In this way, the set-top box outputs a television signal after modulation and demodulation, and inputs the television signal into the display apparatus 200 through the external device interface 240.
The communicator 220 is a component for communicating with an external device or an external server according to various communication protocol types. For example, the display apparatus 200 may transmit content data to an external apparatus connected via the communicator 220, or browse and download content data from an external apparatus connected via the communicator 220. The communicator 220 may include a network communication protocol module or a near field communication protocol module, such as a WIFI module 221, a bluetooth communication protocol module 222, and a wired ethernet communication protocol module 223, so that the communicator 220 may receive a control signal of the control device 100 according to the control of the controller 250 and implement the control signal as a WIFI signal, a bluetooth signal, a radio frequency signal, and the like.
The detector 230 is a component of the display apparatus 200 for collecting signals of an external environment or interaction with the outside. The detector 230 may include an image collector 231, such as a camera, a video camera, etc., which may be used to collect external environment scenes to adaptively change the display parameters of the display device 200; and the function of acquiring the attribute of the user or interacting gestures with the user so as to realize the interaction between the display equipment and the user. A light receiver 232 may also be included to collect ambient light intensity to adapt to changes in display parameters of the display device 200, etc.
In other exemplary embodiments, the detector 230 may further include a temperature sensor, such as by sensing an ambient temperature, and the display device 200 may adaptively adjust a display color temperature of the image. For example, when the temperature is higher, the display device 200 may be adjusted to display a color temperature of the image that is colder; when the temperature is lower, the display device 200 may be adjusted to display a warmer color temperature of the image.
In some other exemplary embodiments, the detector 230, which may further include a sound collector, such as a microphone, may be configured to receive a sound of a user, such as a voice signal of a control instruction of the user to control the display device 200; alternatively, ambient sounds may be collected that identify the type of ambient scene, enabling the display device 200 to adapt to ambient noise.
The external device interface 240 is a component for providing the controller 210 with control of data transmission between the display apparatus 200 and an external apparatus. The external device interface 240 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 240 may include: a High Definition Multimedia Interface (HDMI) terminal 241, a Composite Video Blanking Sync (CVBS) terminal 242, an analog or digital Component terminal 243, a Universal Serial Bus (USB) terminal 244, a Component terminal (not shown), a red, green, blue (RGB) terminal (not shown), and the like.
The controller 250 controls the operation of the display device 200 and responds to the operation of the user by running various software control programs (such as an operating system and various application programs) stored on the memory 260.
As shown in fig. 1C, the controller 250 includes a Random Access Memory (RAM) 251, a Read Only Memory (ROM) 252, a graphics processor 253, a CPU processor 254, a communication interface 255, and a communication bus 256. The RAM251, the ROM252, the graphic processor 253, and the CPU processor 254 are connected to each other through a communication bus 256 through a communication interface 255.
The ROM252 stores various system boot instructions. When the display apparatus 200 starts power-on upon receiving the power-on signal, the CPU processor 254 executes a system boot instruction in the ROM252, copies the operating system stored in the memory 260 to the RAM251, and starts running the boot operating system. After the start of the operating system is completed, the CPU processor 254 copies the various application programs in the memory 260 to the RAM251 and then starts running and starting the various application programs.
A graphic processor 253 for generating screen images of various graphic objects such as icons, images, and operation menus. The graphic processor 253 may include an operator for performing an operation by receiving various interactive instructions input by a user, and further displaying 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 275.
A CPU processor 254 for executing operating system and application program instructions stored in memory 260. And according to the received user input instruction, processing of various application programs, data and contents is executed so as to finally display and play various audio-video contents.
In some example embodiments, the CPU processor 254 may comprise a plurality of processors. The plurality of processors may include one main processor and a plurality of or one sub-processor. A main processor for performing some initialization operations of the display apparatus 200 in the display apparatus preload mode and/or operations of displaying a screen in the normal mode. A plurality of or one sub-processor for performing an operation in a state of a display device standby mode or the like.
The communication interface 255 may include a first interface to an nth interface. These interfaces may be network interfaces that are connected to external devices via a network.
The controller 250 may control the overall operation of the display apparatus 200. For example: in response to receiving a user input command for selecting a GUI object displayed on the display 275, the controller 250 may perform an operation related to the object selected by the user input command.
Where the object may be any one of the selectable objects, such as a hyperlink or an icon. The operation related to the selected object is, for example, an operation of displaying a link to a hyperlink page, document, image, or the like, or an operation of executing a program corresponding to an icon. The user input command for selecting the GUI object may be a command input through various input means (e.g., a mouse, a keyboard, a touch panel, etc.) connected to the display apparatus 200 or a voice command corresponding to a user uttering voice.
A memory 260 for storing various types of data, software programs, or applications for driving and controlling the operation of the display device 200. The memory 260 may include volatile and/or non-volatile memory. And the term "memory" includes the memory 260, the RAM251 and the ROM252 of the controller 250, or a memory card in the display device 200.
In some embodiments, the memory 260 is specifically used for storing an operating program for driving the controller 250 of the display device 200; storing various application programs built in the display apparatus 200 and downloaded by a user from an external apparatus; data such as visual effect images for configuring various GUIs provided by the display 275, various objects related to the GUIs, and selectors for selecting GUI objects are stored.
In some embodiments, the memory 260 is specifically configured to store drivers and related data for the tuner demodulator 210, the communicator 220, the detector 230, the external device interface 240, the video processor 270, the display 275, the audio processor 280, and the like, external data (e.g., audio-visual data) received from the external device interface, or user data (e.g., key information, voice information, touch information, and the like) received from the user interface.
In some embodiments, memory 260 specifically stores software and/or programs representing an Operating System (OS), which may include, for example: a kernel, middleware, an Application Programming Interface (API), and/or an application program. Illustratively, the kernel may control or manage system resources, as well as functions performed by other programs (e.g., the middleware, APIs, or applications); at the same time, the kernel may provide an interface to allow middleware, APIs, or applications to access the controller to enable control or management of system resources.
A block diagram of the architectural configuration of the operating system in the memory of the display device 200 is illustrated in fig. 1D. The operating system architecture comprises an application layer, a middleware layer and a kernel layer from top to bottom.
The application layer, the application programs built in the system and the non-system-level application programs belong to the application layer and are responsible for direct interaction with users. The application layer may include a plurality of applications such as NETFLIX applications, setup applications, media center applications, and the like. These applications may be implemented as Web applications that execute based on a WebKit engine, and in particular may be developed and executed based on HTML, cascading Style Sheets (CSS), and JavaScript.
Here, HTML, which is called HyperText Markup Language (HyperText Markup Language), is a standard Markup Language for creating web pages, and describes the web pages by Markup tags, where the HTML tags are used to describe characters, graphics, animation, sound, tables, links, etc., and a browser reads an HTML document, interprets the content of the tags in the document, and displays the content in the form of web pages.
CSS, known as Cascading Style Sheets (HTML) is a computer language used to represent the Style of HTML documents, and can be used to define the Style structure, such as the language of fonts, colors, positions, etc. The CSS style can be directly stored in the HTML webpage or a separate style file, so that the style in the webpage can be controlled.
JavaScript, a language applied to Web page programming, can be inserted into an HTML page and interpreted and executed by a browser. The interaction logic of the Web application is realized by JavaScript. The JavaScript can package a JavaScript extension interface through a browser, realize the communication with the kernel layer,
the middleware layer can provide some standardized interfaces to support the operation of various environments and systems. For example, the middleware layer may be implemented as multimedia and hypermedia information coding experts group (MHEG) middleware related to data broadcasting, DLNA middleware which is middleware related to communication with an external device, middleware which provides a browser environment in which each application program in the display device operates, and the like.
The kernel layer provides core system services, such as: file management, memory management, process management, network management, system security authority management and the like. The kernel layer may be implemented as a kernel based on various operating systems, for example, a kernel based on the Linux operating system.
The kernel layer also provides communication between system software and hardware, and provides device driver services for various hardware, such as: the method comprises the steps of providing a display driver for a display, providing a camera driver for a camera, providing a key driver for a remote controller, providing a WiFi driver for a WIFI module, providing an audio driver for an audio output interface, providing a power management driver for a Power Management (PM) module and the like.
A user interface 265 receives various user interactions. Specifically, it is used to transmit an input signal of a user to the controller 250 or transmit an output signal from the controller 250 to the user. For example, the remote controller 100A may transmit an input signal, such as a power switch signal, a channel selection signal, a volume adjustment signal, etc., input by the user to the user interface 265, and then the input signal is transferred to the controller 250 through the user interface 265; alternatively, the remote controller 100A may receive an output signal such as audio, video, or data output from the user interface 265 via the controller 250, 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 in a Graphical User Interface (GUI) displayed on the display 275, and the user interface 265 receives the user input commands through the GUI. Specifically, the user interface 265 may receive user input commands for controlling the position of a selector in the GUI to select different objects or items.
Alternatively, the user may input a user command by inputting a specific sound or gesture, and the user interface 265 receives the user input command by recognizing the sound or gesture through a sensor.
The video processor 270 is configured to receive an external 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 275.
Illustratively, the video processor 270 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 configured to demultiplex an input audio/video data stream, where, for example, an input MPEG-2 stream (based on a compression standard of a digital storage media moving image and voice), the demultiplexing module demultiplexes the input audio/video data stream into a video signal and an audio signal.
And the video decoding module is used for processing the demultiplexed video signal, 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 a frame rate of an input video, for example, convert a frame rate of an input 60Hz video into a frame rate of 120Hz or 240Hz, where a common format is implemented by using, for example, an interpolation frame method.
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 RGB data signals.
And a display 275 for receiving the image signal from the output of the video processor 270 and displaying video, images and menu manipulation interfaces. For example, the display may display video from a broadcast signal received by the tuner demodulator 210, may display video input from the communicator 220 or the external device interface 240, and may display an image stored in the memory 260. The display 275, while displaying a user manipulation interface UI generated in the display apparatus 200 and used to control the display apparatus 200.
And, the display 275 may include a display screen component for presenting a picture and a driving component for driving the display of an image. Alternatively, a projection device and projection screen may be included, provided display 275 is a projection display.
The audio processor 280 is configured to receive an external audio signal, and perform decompression and decoding, and audio data processing such as noise reduction, digital-to-analog conversion, and amplification according to a standard codec protocol of the input signal, so as to obtain an audio signal that can be played in the speaker 286.
Illustratively, audio processor 280 may support various audio formats. Such as MPEG-2, MPEG-4, advanced Audio Coding (AAC), high efficiency AAC (HE-AAC), and the like.
An audio output interface 285 for receiving audio signals from the output of audio processor 280. For example, the audio output interface may output audio in a broadcast signal received via the tuner demodulator 210, may output audio input via the communicator 220 or the external device interface 240, and may output audio stored in the memory 260. The audio output interface 285 may include a speaker 286, or an external audio output terminal 287, such as an earphone output terminal, that outputs to a generating device of an external device.
In other exemplary embodiments, video processor 270 may comprise one or more chips. Audio processor 280 may also comprise one or more chips.
And, in other exemplary embodiments, the video processor 270 and the audio processor 280 may be separate chips or may be integrated with the controller 250 in one or more chips.
And a power supply 290 for supplying power supply support to the display apparatus 200 from the power input from the external power source under the control of the controller 250. The power supply 290 may be a built-in power supply circuit installed inside the display apparatus 200 or may be a power supply installed outside the display apparatus 200.
HbbTV provides a technical standard that is integrated with Digital Video Broadcasting (DVB) so that a display device can provide internet contents transmitted through a broadband in addition to conventional broadcast contents. Various HbbTV applications have been generated based on the HbbTV standard, and are now being widely applied to display devices.
In one example, the launching of the HbbTV application is associated with a channel. In one embodiment, when switching to a current channel for playing, if the display device detects that the current channel corresponds to an HbbTV Application, the display device parses Application Information Table (AIT) data corresponding to the current channel and starts an HbbTV self-starting Application, where the HbbTV self-starting Application includes the HbbTV Application corresponding to the current channel, so that a user can select the HbbTV Application according to the Application Information for viewing.
A schematic diagram of the process of starting the HbbTV application is exemplarily shown in FIGS. 2A-2B, and the process of starting the HbbTV application is exemplarily described below in connection with FIGS. 2A-2B:
after the HbbTV self-starting application is started, a GUI400 as shown in fig. 2A can be provided to the display, where the GUI400 includes a prompt message 41 for prompting the user to view the HbbTV application corresponding to the current channel by pressing the R (red) key on the control device; in fig. 2A, when a key input command corresponding to a red key on the control apparatus is received, as shown in fig. 2B, the HbbTV self-starting application displays an HbbTV application display area 42 on the display, where the HbbTV application display area 42 includes items 421 to 423 that respectively represent applications a to C corresponding to the current channel, and the items 421 to 423 may be specifically displayed as application names, application icons, and the like of the HbbTV application. In response to an instruction to select any one of items 421 to 423, the display device starts the HbbTV application indicated by the item.
According to the procedure of starting the HbbTV application described above, before the HbbTV self-starting application starts, the user often does not know which HbbTV applications the current channel corresponds to, which results in that the selection of the HbbTV application by the user is actually passive, and it is difficult to actively select a favorite HbbTV application from all HbbTV applications for viewing. At present, if a user wants to watch a favorite HbbTV application, the user needs to memorize the correspondence between channels and the HbbTV application, but in practice, different channels may correspond to the same HbbTV application, and the correspondence is easy to confuse the user and is difficult to memorize.
Therefore, the application provides a HbbTV application starting method, so that a user can actively select and start a target HbbTV application.
In order to facilitate understanding of the implementation of the HbbTV application starting method provided by the present application, first, a construction process of a correspondence relationship between the HbbTV application and a channel is described below with reference to fig. 3A to 3B:
fig. 3A-3B illustrate a flow chart for constructing a correspondence of an HbbTV application with a channel. In one embodiment, when the process is applied to the display apparatus 200, the display apparatus 200 may include: the system comprises a DTV (Digital Television) signal receiving module, a channel information analysis module, an application information analysis module and a corresponding relation construction module. As shown in fig. 3A, the process may include:
step S51, the DTV signal receiving module equipment receives DTV signals and sends the received DTV signals to the channel information analysis module and the application information analysis module for analysis; the channel information analysis module is used for analyzing the DTV signals to obtain channel information, and the application information analysis module is used for analyzing the DTV signals to obtain application information of HbbTV application.
In one example, the display device 200 further includes: and the channel list storage device and the application list storage device are respectively used for storing the channel information and the application information. Specifically, the channel list storage device may store channel information obtained by the channel information analysis module analyzing the DTV signal in a list format, and the application list storage device may store application information of the HbbTV application obtained by the application information analysis module analyzing the DTV signal in a list format.
In one embodiment, the channel information obtained by parsing the DTV signal may include the following attributes: original Network Identification (ONID), transport Stream Identification (TSID), service identification (Service ID, SID), channel Name (Channel Name), and/or Elementary encapsulation identification (Elementary _ PID).
For any channel, the ONID, the TSID, and the SID are attributes for uniquely identifying the channel, and the Elementary _ PID is configured to indicate an HbbTV application corresponding to the channel, specifically, a value of the Elementary _ PID may be an index of the HbbTV application corresponding to the channel, and more specifically, a value of the Elementary _ PID may be an encapsulation identifier of application information of the HbbTV application corresponding to the channel.
Taking the example of storing the channel information in the form of a list, each entry in the list represents a channel, and the structure of each entry can refer to table 1:
TSID ONID SID Elementary_PID Channel Name ……
TABLE 1
In table 1, "\8230;" indicates other attributes of channel information that may exist.
In one embodiment, the application information of HbbTV derived by parsing the DTV signal may include the following attributes: organization ID (ORGID), application ID (APPID), application information table package ID (AIT _ PID), and/or Uniform Resource Locator (URL).
For any HbbTV application, ORGID and APPID are attributes for uniquely locating the HbbTV application, and URL is used for indicating the URL corresponding to the HbbTV application; the AIT _ PID is used to indicate a channel corresponding to the HbbTV application, and specifically, a value of the AIT _ PID may be an array, and each element included in the array is a value of an Elementary _ PID corresponding to each channel of the HbbTV application.
Taking the example of storing the application information of the HbbTV application in the form of a list, each entry in the list represents an HbbTV application, and the structure of each entry can refer to table 2:
ORGID APPID AIT_PID URL ……
TABLE 2
In table 2 "\8230;" indicates other attributes of application information that may exist.
And S52, the corresponding relation building module builds the corresponding relation between the HbbTV application and the channel according to the channel information obtained by analyzing the channel information analyzing module and the application information of the HbbTV application obtained by analyzing the application information analyzing module.
In one example, the correspondence relation building module may acquire channel information from a channel list storage device, and acquire application information of the HbbTV application from an application list storage device.
When constructing the correspondence relationship between the HbbTV applications and the channels, in one embodiment, the channel corresponding to each HbbTV application may be determined according to an Elementary _ PID attribute in the channel information and/or an AIT _ PID attribute in the application information. For example, for any HbbTV application, an Elementary _ PID of a channel corresponding to the HbbTV application list can be determined according to the AIT _ PID attribute of the HbbTV application, thereby determining a channel corresponding to the HbbTV application. For another example, for any channel, the HbbTV application corresponding to the channel may be determined according to the Elementary _ PID attribute of the channel, and then the channel corresponding to each HbbTV application is obtained through statistics.
In an example, the correspondence relation building module may record the generated correspondence relation to an HbbTV application list, and for convenience of description, in the following embodiments, a list in which the correspondence relation between the HbbTV application and the channel is recorded is referred to as an HbbTV application list. For any HbbTV application, the HbbTV application list includes application information of the HbbTV application and channel information of a channel corresponding to the HbbTV application. In one embodiment, the application information in the HbbTV application list may include only a part of attributes in the application information obtained by parsing the DTV signal, and the channel information in the HbbTV application list may include only a part of attributes in the channel information obtained by parsing the DTV signal.
In another example, the correspondence construction module can record the generated correspondence into at least two HbbTV application lists. Specifically, for a plurality of HbbTV applications obtained by analyzing DTV signals, the correspondence construction module may divide the HbbTV applications into different HbbTV application lists according to a certain rule. For example, the rules herein may include: the HbbTV applications with the same type of function are classified into the same HbbTV application list, hbbTV applications belonging to the same operator are classified into the same HbbTV application list, and so on.
This completes the description of the flow shown in fig. 3A.
In the above flow shown in fig. 3A, the interaction relationship between the modules in the display device can be seen in fig. 3B. As shown in fig. 3B, the DTV signal receiving module device receives a DTV signal and transmits the received DTV signal to the channel information analyzing module and the application information analyzing module; the channel information analysis module stores the channel information obtained by analyzing the DTV signals into a channel list storage device, and the application information analysis module stores the application information obtained by analyzing the DTV signals into an application list storage device; the corresponding relation building module respectively obtains channel information and application information from the channel list storage device and the application list storage device, and builds the corresponding relation between the HbbTV application and the channel according to the obtained application information and the channel information.
Through the flow shown in fig. 3A-3B, the display device constructs the correspondence relationship between the HbbTV application and the channel, so as to subsequently start the HbbTV application based on the correspondence relationship.
As an embodiment, the display apparatus may further provide an HbbTV application editing function based on an HbbTV application list storing a correspondence relationship of the HbbTV application with a channel, such as: deleting any HbbTV application from the HbbTV application list, moving any HbbTV application from the existing HbbTV application list to another HbbTV application list, and so on. As an example, the display device may generate a favorite application list for storing the user's favorite HbbTV applications. In the above embodiment, the moving the HbbTV application may include moving an entry where the HbbTV application is located, where the entry records application information of the HbbTV application and channel information of a channel corresponding to the HbbTV application.
In one example, the display apparatus may output the HbbTV application and a channel corresponding to the HbbTV application based on a correspondence of the HbbTV application to the channel for a user to select a target channel corresponding to the target HbbTV application and the target HbbTV application therefrom, and switch to the target channel and start the target HbbTV application in response to the user's selection.
When the HbbTV application and the channel corresponding to the HbbTV application are output, as an embodiment, an application list display module is provided in the display device, and is configured to generate a menu page that can be displayed through the display based on the constructed correspondence between the HbbTV application and the channel. As an embodiment, the application list displaying module may obtain a correspondence between the HbbTV application and the channel from the correspondence building module described above, determine each HbbTV application in the HbbTV application list and a channel corresponding to each HbbTV application, and generate a menu page to be displayed based on the determined HbbTV application and channel. Specifically, in the menu page, the HbbTV application is displayed in the form of an application identifier such as an application name and/or an application icon, and the channel is displayed in the form of a channel identifier such as a channel name and/or a channel icon.
In one embodiment, a corresponding relationship between channel information and channel icons is preset in the display device, and the application list display module can search and display the channel icon corresponding to the channel in the corresponding relationship for any channel. In another embodiment, the channel information includes a channel icon, and the application list display module may directly obtain the channel icon from the channel information and display the channel icon.
Specifically, how to generate the menu page, how to arrange the HbbTV application on the menu page, and the channels, etc., have various implementation manners, and the application is not particularly limited.
The following describes changes of a display screen when the display apparatus outputs the HbbTV application and a channel corresponding to the HbbTV application based on the constructed correspondence relationship between the HbbTV application and the channel:
in one example, the display device may display the HbbTV application via the display device in response to an instruction to display the HbbTV application. In one embodiment, the display apparatus may determine that an instruction indicating display of the HbbTV application is received when a key input instruction corresponding to a designated key on the control apparatus is received, where the designated key may be a key added to the control apparatus specifically for displaying the HbbTV application. In another embodiment, when it is determined that the selectable item provided by the display device to indicate that the HbbTV application is displayed is selected, the display device may determine that an instruction to indicate that the list of the HbbTV application is displayed is received, and the selectable item to indicate that the HbbTV application is displayed may be an item added to a GUI provided by the display device, and in particular, the GUI provided by the display device may be implemented as a top page of the display device.
Schematic diagrams showing HbbTV applications are exemplarily shown in fig. 4A-4F.
In one example, the HbbTV application may be displayed in a menu page. As shown in fig. 4A, the display device may provide a GUI600 to the display, the GUI600 including a menu page 61 for presenting the HbbTV application. The menu page 61 includes items 611 to 614, which are respectively used to represent applications 1 to 4, and are specifically displayed as application identifiers of the applications 1 to 4. The HbbTV application described above can be displayed based on the correspondence of the HbbTV application and the channel that has been constructed.
In one embodiment, the HbbTV application currently displayed by the display may not be all HbbTV applications that the display device is capable of running, and there may be a portion of the HbbTV application that is not displayed on the display. The display device may display the HbbTV applications not displayed on the display in an order in response to a user input.
As shown in fig. 4B, an icon 615 is included in the menu page 61 to prompt the user that there is currently an HbbTV application not displayed on the display, and the currently undisplayed HbbTV application can be displayed on the display by pressing the down direction key on the control apparatus. For example, in fig. 4B, when the user presses the down direction key on the control device, as shown in fig. 4C, the display device may display an item 616, which is not displayed in fig. 4B, in the menu page 61 in response to a key input instruction corresponding to the down direction key, where the item 616 is used to represent the application 5 and is specifically displayed as the application identifier of the application 5; and, the item 611 displayed on the display in fig. 4B is hidden and an icon 617 is displayed, the icon 617 being used to prompt the user that there is currently an HbbTV application not displayed on the display, and the HbbTV application not currently displayed can be displayed on the display by pressing the up direction key on the control apparatus.
In another example, the HbbTV application may be displayed through at least two menu pages. In one embodiment, as shown in fig. 4D, the display device may simultaneously display a menu page 63 and a menu page 62 through the display, where the menu page 63 and the menu page 62 are respectively used for displaying different HbbTV applications, and in particular, may display HbbTV applications in the list of different HbbTV applications generated in the above embodiment. The menu page 63 includes items 611 to 614, the menu page 62 includes items 621 to 624, and the items 621 to 624 are respectively used for representing the applications 11 to 14 and specifically displayed as application identifiers of the applications 11 to 14.
In another embodiment, as shown in fig. 4E, the display device may display a menu page 64, where the menu 64 includes items 641 and 642, and each of the items 641 and 642 corresponds to a sub-menu for displaying the HbbTV applications in the list of different HbbTV applications generated in the above embodiment. The display device may control the selector to move between the items 641, 642 in response to a user input, such as a key input command corresponding to an arrow key on the control means, and display a sub-menu corresponding to an item selected by the selector in response to a user input indicating activation of the item selected by the selector, such as a key input command corresponding to a confirmation key on the control means. The display form of the selector can be the focus object, and the identification form of the focus object is not limited, for example, the position of the focus object can be identified by changing the background color, the border line, the size, the transparency and/or the font of the focused item. See selector 65 shown in fig. 4E, which selector 65 identifies the focal object as item 642 by changing the background color of item 642.
In fig. 4E, the item 642 selected by the selector 65 is selected by the selector, and when an instruction indicating activation of the item selected by the selector 65 is received, as shown in fig. 4F, the display device displays a submenu 6421 corresponding to the item 642, and the submenu 6421 includes items 621 to 624, representing the application 11 to the application 14, respectively.
So far, the description of the application of displaying HbbTV is completed with reference to FIGS. 4A to 4F.
In one example, the display device outputs a channel corresponding to a target HbbTV application, which may be one of the HbbTV applications displayed via fig. 4A-4F, in response to selecting the instruction for the target HbbTV application.
Schematic diagrams showing channels corresponding to the HbbTV application are exemplarily shown in fig. 5A-5B. The following is described by way of example in connection with FIGS. 5A-5B:
in one example, in response to a target HbbTV application selection instruction, a display device displays a submenu corresponding to the target HbbTV application, where the submenu includes a channel corresponding to the target HbbTV application.
Taking the HbbTV application displayed by the display device as an example as shown in fig. 4A, in fig. 4A the display device can control the movement of the selector between the items 611-614 in response to a user input. For example, in fig. 5A, the item selected by the selector 65 is the item 611 (application 1), and when an instruction indicating that the selector 65 is activated is received, the display device determines that the instruction selected by the application 1 is received, and as shown in fig. 5B, the display device displays a lower menu corresponding to the item 611 (application 1) through the display, where the lower menu includes items 6111 to 6113 indicating channels 1 to 3, respectively, where the channels 1 to 3 are channels corresponding to the application 1.
So far, the description of the process of displaying the channel corresponding to the HbbTV application is completed.
In other embodiments, the HbbTV application and the channel corresponding to the HbbTV application may also be displayed simultaneously through a display, which is not described in detail herein.
The above is a description of changes that occur in the display screen when the display apparatus displays the HbbTV application and the channel corresponding to the HbbTV application based on the correspondence relationship between the HbbTV application and the channel that has been constructed.
The HbbTV application start method provided by the present application is described below:
a flowchart of a HbbTV application launching method is illustrated in fig. 6. In one embodiment, the method is applied to a display device, and the display device can be embodied as a smart television. With reference to the structure of the display device 200 shown in fig. 1C and fig. 6, the HbbTV application starting method may include the following steps:
and step S71, responding to the target HbbTV application selection instruction, and outputting the channel corresponding to the selected target HbbTV application.
In one embodiment, before the execution of step S71, the display apparatus may display the HbbTV application on the display based on the constructed correspondence relationship of the HbbTV application and the channel in response to the instruction indicating the display of the HbbTV application.
How to determine to receive the instruction indicating to display the HbbTV application is described above, and is not described herein again. In one embodiment, the display device may also automatically display the HbbTV application, such as displaying the HbbTV application in a top page of the display device after the display device is started.
The HbbTV application and channel correspondence described above can be constructed by referring to the flow shown in fig. 3A-3B. After receiving an instruction indicating to display the HbbTV application, which is input by a user, how to display the HbbTV application on the display based on the constructed correspondence between the HbbTV application and the channel is described above by the application list display module and fig. 4A to 4F, and is not described again here.
When receiving the target HbbTV application selection instruction, the display device outputs a channel corresponding to the target HbbTV application based on the constructed correspondence relationship between the HbbTV application and the channel.
In one embodiment, receiving the target HbbTV application selection instruction can include: when the display device displays the HbbTV application in the form of an application identifier based on the constructed corresponding relation between the HbbTV application and the channel, if a selection instruction of the application identifier of the displayed target HbbTV application, which is input by a user, is received, the target HbbTV application selection instruction is determined to be received.
Taking fig. 5A as an example, the display device may move the selector 65 among the items 611 to 614 in the menu page 61 shown in fig. 5A in response to a key input instruction corresponding to a direction key on the control apparatus input by the user. In fig. 5A, the currently selected item by the selector is an item 611 (displayed as an application identifier of application 1), and when an instruction indicating that the currently selected item by the selector is activated is received, the display apparatus determines that a selection instruction for the item 611 (displayed as the application identifier of application 1) is received, and further determines that a channel 1 selection instruction is received.
Upon receiving the target HbbTV application selection instruction, in one embodiment, the display device may find at least one channel corresponding to the target HbbTV application in the constructed correspondence relationship between the HbbTV application and the channel, and output the at least one channel. For example, when an instruction for selecting an application 1 is received, the display device may search for a channel corresponding to the application 1 in the constructed correspondence between the HbbTV application and the channel, and if the found channel is a channel 1, a channel 2, and a channel 3, as shown in fig. 5A, items 6111 to 6113 indicating the channels 1 to 3, respectively, are displayed on the display.
Step S72, responding to a target channel selection instruction, switching the display equipment to a target channel, and starting the target HbbTV application in the target channel; the target channel is selected from the channels corresponding to the target HbbTV application outputted as described above.
The process of determining that the target channel selection instruction is received is similar to the process of determining that the target HbbTV application selection instruction is received in step S71 described above. Taking fig. 5B as an example, the display device may move the selector 65 among the items 6111 to 6113 indicating the channel 1 to the channel 3 shown in fig. 5B in response to a key input instruction corresponding to a direction key on the control apparatus input by the user. In fig. 5B, the item currently selected by the selector is an item 6112 (displayed as a channel identifier of channel 2), and when an instruction input by the user and indicating that the selector is activated to currently select the item is received, the display device determines that a selection instruction of the item 6112 (displayed as a channel identifier of channel 2) is received, and further determines that a channel 2 selection instruction is received.
As an example, the reason why the target channel needs to be switched to in step S72 to start the target HbbTV application is that the application information of the HbbTV application and the related data of the channel corresponding to the HbbTV application are transmitted together, for example, through the same code stream, so that to start the HbbTV application, it is necessary to switch to any channel corresponding to the HbbTV application first to receive the related data of the HbbTV application.
As an embodiment, the target channel is returned after exiting the target HbbTV application, and further, the program under the target channel is played.
This completes the description of the flow shown in fig. 6.
It should be noted that the names of the applications and channels appearing in the above embodiments, such as application 1 and channel 1, are only examples, and are not intended to limit the present application.
By the flow shown in fig. 6, enabling the user to actively select to launch the HbbTV application is achieved.
As can be seen from step S72, before starting the target HbbTV application, the channel needs to be switched to the target channel, and for the display device supporting the HbbTV application, when the channel is switched, it is checked whether the switched channel corresponds to the HbbTV application, and if so, the HbbTV self-start application is started, which may cause a conflict between the target HbbTV application and the HbbTV self-start application when the target channel is switched based on the HbbTV application list; after exiting the target HbbTV application started in steps S71 to S72, if the display device returns to the target channel to play, the HbbTV self-start application is not started in the target channel because the channel switching is not performed, which affects the viewing of the other HbbTV applications corresponding to the target channel by the user.
In response to the above problem, in one example, an application startup state machine is further configured in the display device. The application startup state machine maintains two states: a red key state and a non-red key state. The application launch state machine provided by the present application is described below in conjunction with fig. 7. Fig. 7 illustrates a state transition diagram of the application launching state machine, as shown in fig. 7:
when the application start state machine is in the red key state, if the HbbTV application is started through the above steps S71 to S72, updating the application start state machine from the red key state to the non-red key state; when the application startup state machine is in the non-red key state, if the HbbTV application is started up in the above steps S71 to S72, the non-red key state is maintained, and if the HbbTV application started up in the above steps S71 to S72 is exited, the application startup state machine is updated from the non-red key state to the red key state.
As an embodiment, when the HbbTV application is started in steps S71 to S72, updating the application start state machine from the red key state to the non-red key state includes: and when a target channel selection instruction is received, updating the application starting state machine from the red key state to the non-red key state.
Exiting the target HbbTV application started through steps S71 to S72 described above may include various cases. In one embodiment, after the target HbbTV application is started, if a target HbbTV application exit instruction is received, for example, a key input instruction corresponding to an "exit" key on the control device is received, the target HbbTV application exits.
In another embodiment, after the target HbbTV application is started in the target channel through the above steps S71 to S72, when a switch to another channel is required, the target HbbTV application is exited. The need to switch to other channels here may include: the display equipment receives a channel switching instruction for indicating to switch to other channels except the target channel; the display device receives an instruction for indicating switching to an up/down channel, for example, a key input instruction corresponding to a direction key of 'CH +'/'CH-' on the control device; and so on.
Based on the application starting state machine, as an embodiment, when the channel is switched, the display device checks whether the current state of the application starting state machine is a red key state, and if so, the HbbTV self-starting application is started under the switched channel; and if the current state of the application starting state machine is a non-red key state, the HbbTV self-starting application is not started under the switched channel.
Based on the application start state machine, as an embodiment, when exiting the HbbTV application, the display device checks whether the current state of the application start state machine is a red key state, and if so, starts the HbbTV self-start application under a channel returned after exiting the HbbTV application; and if the current state of the application starting state machine is a non-red key state, not starting the HbbTV self-starting application under the channel returned after exiting the HbbTV application.
Accordingly, when the HbbTV application is started in the above steps S71 to S72, the HbbTV self-starting application is not started, and when the HbbTV application started in the above steps S71 to S72 is exited and the current channel is returned to play, the HbbTV self-starting application is started in the current channel.
As described in the above embodiments, the display apparatus may construct a correspondence relationship between the HbbTV application and the channel, output the HbbTV application and the channel corresponding to the HbbTV application based on the correspondence relationship, and switch to the target channel and start the target HbbTV application under the target channel in response to the target HbbTV application selection instruction and the target channel selection instruction. Therefore, the user can actively select and start the HbbTV application instead of selecting the HbbTV application from the HbbTV application provided by the HbbTV self-starting application started after the channel is switched.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims (8)

1. A display device, comprising:
a display;
a controller coupled to the display, comprising: an application list storage device and a channel list storage device; the channel list storage device is used for storing channel information of channels, wherein the channel information at least comprises a first attribute, and for any channel, the value of the first attribute of the channel is used for indicating the HbbTV application of the mixed broadcast broadband television corresponding to the channel; the application list storage device is used for storing application information of an HbbTV application favored by a user, wherein the application information at least comprises a second attribute, and for any HbbTV application, the value of the second attribute of the HbbTV application is an array which comprises the value of a first attribute of a channel corresponding to the HbbTV application;
for performing:
when a target HbbTV application in the displayed application list is received and selected, responding to a target HbbTV application selection instruction, and displaying a channel corresponding to the selected target HbbTV application in a sub-menu display mode according to a pre-constructed corresponding relation between the HbbTV application and the channel; the corresponding relation between the HbbTV application and the channel is a corresponding relation constructed according to the first attribute and the second attribute; the target HbbTV application correspondingly comprises a submenu of a channel corresponding to the target HbbTV application; the application list is provided with an icon for prompting a user when the HbbTV application which is not displayed exists and a pressing control device for displaying the HbbTV application which is not displayed according to a set sequence; or/and the application list displays HbbTV applications through at least two menu pages, and the HbbTV application displayed on each menu page is different;
responding to a first channel selection instruction, wherein a first channel carried by the first channel selection instruction is selected from channels contained in the submenu, switching the display device to the first channel, starting the target HbbTV application under the first channel, and updating a state corresponding to the HbbTV self-starting application recorded by a state machine to be a first state, wherein the first state is used for indicating to stop starting the HbbTV self-starting application under the first channel.
2. The display device of claim 1, wherein the controller is further configured to:
and in response to a target HbbTV application exit instruction, exiting the target HbbTV application and returning to the first channel, and updating the state corresponding to the HbbTV self-starting application recorded by the state machine to be a second state, wherein the second state is used for indicating the start of the HbbTV self-starting application in the first channel.
3. The display device of claim 1, wherein the controller is further configured to:
and in response to an instruction of switching to a next channel or a previous channel, updating the state corresponding to the HbbTV self-starting application recorded by the state machine into a second state, wherein the second state is used for indicating the start of the HbbTV self-starting application in the switched channel.
4. The display device of claim 1, wherein the controller is further configured to:
and in response to an instruction of switching to a second channel, updating the state corresponding to the HbbTV self-starting application recorded by the state machine to be a second state, wherein the second state is used for indicating that the HbbTV self-starting application in the second channel is started.
5. An HbbTV application starting method is applied to a display device, and the display device comprises: an application list storage device and a channel list storage device; the channel list storage device stores channel information of channels, the channel information at least comprises a first attribute, and for any channel, the value of the first attribute of the channel is used for indicating the HbbTV application of the mixed broadcast broadband television corresponding to the channel; the application list storage device stores application information of HbbTV application favored by a user, the application information at least comprises a second attribute, and for any HbbTV application, the value of the second attribute of the HbbTV application is an array which comprises the value of a first attribute of a channel corresponding to the HbbTV application; the method comprises the following steps:
when a target HbbTV application in the displayed application list is selected, responding to a target HbbTV application selection instruction, and displaying a channel corresponding to the target HbbTV application in a sub-menu display mode according to a pre-established corresponding relation between the HbbTV application and the channel; the corresponding relation between the HbbTV application and the channel is constructed according to the first attribute and the second attribute; the target HbbTV application correspondingly comprises a submenu of a channel corresponding to the target HbbTV application; the target HbbTV application correspondingly comprises a submenu of a channel corresponding to the target HbbTV application; the application list is provided with an icon for prompting a user when the HbbTV application which is not displayed exists and a pressing control device for displaying the HbbTV application which is not displayed according to a set sequence; or/and the application list displays HbbTV applications through at least two menu pages, and the HbbTV application displayed on each menu page is different;
responding to a first channel selection instruction, wherein a first channel carried by the first channel selection instruction is selected from channels contained in the submenu, switching the display device to the first channel, starting the target HbbTV application under the first channel, and updating a state corresponding to the HbbTV self-starting application recorded by a state machine to be a first state, wherein the first state is used for indicating to stop starting the HbbTV self-starting application under the first channel.
6. The method of claim 5, further comprising:
and in response to the target HbbTV application exit instruction, exiting the target HbbTV application and returning to the first channel, and updating the state corresponding to the HbbTV self-starting application recorded by the state machine to be a second state, wherein the second state is used for indicating that the HbbTV self-starting application is started under the first channel.
7. The method of claim 5, further comprising:
and in response to an instruction of switching to a next channel or switching to a previous channel, updating the state corresponding to the HbbTV self-starting application recorded by the state machine to be a second state, wherein the second state is used for indicating that the HbbTV self-starting application is started in the switched channel.
8. The method of claim 5, further comprising:
and in response to an instruction of switching to a second channel, updating the state corresponding to the HbbTV self-starting application recorded by the state machine to be a second state, wherein the second state is used for indicating to start the HbbTV self-starting application in the second channel.
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