CN111857502A - Image display method and display equipment - Google Patents
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Abstract
The application discloses an image display method which is used for supporting image output of screens with different resolutions and different schemes, reducing manpower input and version maintenance cost and improving compatibility and stability of display equipment system software. The method comprises the following steps: if the screen is adapted according to the screen resolution, screen parameter information is obtained, the screen parameter information comprises the physical resolution, and the size of the virtual window is determined according to the physical resolution; if the screen is not adapted according to the screen resolution and is adapted according to the fixed resolution, acquiring configuration information, wherein the configuration information comprises the fixed resolution, and determining the size of the virtual window according to the fixed resolution; if the screen is not adapted according to the fixed resolution, acquiring the current resolution, and determining the size of the virtual window according to the current resolution; and carrying out graphic processing according to the virtual window size, and setting the video window size.
Description
Technical Field
The present application relates to the field of display technologies, and in particular, to an image display method and a display device.
Background
At present, all application programs need to be adapted according to product design during development, and different versions are developed and maintained. As shown in fig. 2, the process is generally performed as follows: 1. firstly, confirming that the adopted system solution type is adopted to determine the software version; 2. if the screen resolution is adapted according to the screen resolution, the acquisition mode of the screen resolution needs to be consulted; 3. if the screen is adapted by the solution provider, the application program needs to be processed according to the provided fixed resolution; 4. aiming at a variable resolution scene, the current resolution needs to be dynamically acquired, and the graphic display conversion is carried out in real time; 5. different application developers need to be familiar with the difference between schemes and develop and maintain multiple versions. The processing method has the problems of repeated development of application software and high maintenance difficulty.
Disclosure of Invention
The embodiment of the application provides an image display method and display equipment, which are used for supporting the output of images with different resolution screens and different schemes, reducing the human input and the version maintenance cost and improving the compatibility and the stability of system software of the display equipment.
In a first aspect, there is provided a display device comprising:
a display;
a controller for performing:
if the screen is adapted according to the screen resolution, screen parameter information is obtained, the screen parameter information comprises the physical resolution, and the size of the virtual window is determined according to the physical resolution;
if the screen is not adapted according to the screen resolution and is adapted according to the fixed resolution, the middleware layer acquires configuration information, wherein the configuration information comprises the fixed resolution, and the size of the virtual window is determined according to the fixed resolution;
if the screen is not adapted according to the fixed resolution, the middleware layer acquires the current resolution and determines the size of the virtual window according to the current resolution;
and carrying out graphic processing according to the virtual window size, and setting the video window size.
In some embodiments, the controller is specifically to perform:
if the screen is adapted according to the screen resolution, the middleware layer acquires screen parameter information, wherein the screen parameter information comprises physical resolution, and the size of a virtual window is determined according to the physical resolution;
If the screen is not adapted according to the screen resolution and is adapted according to the fixed resolution, the middleware layer acquires configuration information, wherein the configuration information comprises the fixed resolution, and the size of the virtual window is determined according to the fixed resolution;
if the screen is not adapted according to the fixed resolution, the middleware layer acquires the current resolution and determines the size of the virtual window according to the current resolution;
and the application layer acquires the size of the virtual window, performs graphic processing according to the size of the virtual window and sets the size of the video window.
In some embodiments, the controller is further configured to perform:
responding to an image display replacement instruction, wherein the image display replacement instruction carries scaling information, and an application layer performs graphic processing according to the scaling information and the virtual window size and resets the video window size;
the middleware layer resets the video size according to the reset video window size.
In some embodiments, the controller is further configured to perform:
if the reset video window size is smaller than the virtual window size, the middleware layer displays a small window according to the video window size;
and if the reset video window size is not smaller than the virtual window size, the middleware layer performs full-screen display according to the virtual window size.
In some embodiments, the controller is further configured to perform:
after receiving the resolution change information, the middleware layer broadcasts the resolution change information to the application layer;
the application layer resets the size of the virtual window according to the resolution change information, performs graphic processing according to the reset size of the virtual window, and resets the size of the video window.
The middleware layer updates the video size according to the reset video window size.
In a second aspect, there is provided an image display method comprising:
if the screen is adapted according to the screen resolution, screen parameter information is obtained, the screen parameter information comprises the physical resolution, and the size of the virtual window is determined according to the physical resolution;
if the screen is not adapted according to the screen resolution and is adapted according to the fixed resolution, the middleware layer acquires configuration information, wherein the configuration information comprises the fixed resolution, and the size of the virtual window is determined according to the fixed resolution;
if the screen is not adapted according to the fixed resolution, the middleware layer acquires the current resolution and determines the size of the virtual window according to the current resolution;
and carrying out graphic processing according to the virtual window size, and setting the video window size.
In some embodiments, the method specifically comprises:
if the screen is adapted according to the screen resolution, the middleware layer acquires screen parameter information, wherein the screen parameter information comprises physical resolution, and the size of a virtual window is determined according to the physical resolution;
if the screen is not adapted according to the screen resolution and is adapted according to the fixed resolution, the middleware layer acquires configuration information, wherein the configuration information comprises the fixed resolution, and the size of the virtual window is determined according to the fixed resolution;
if the screen is not adapted according to the fixed resolution, the middleware layer acquires the current resolution and determines the size of the virtual window according to the current resolution;
and the application layer acquires the size of the virtual window, performs graphic processing according to the size of the virtual window and sets the size of the video window.
In some embodiments, the method further comprises:
responding to an image display replacement instruction, wherein the image display replacement instruction carries scaling information, and an application layer performs graphic processing according to the scaling information and the virtual window size and resets the video window size;
the middleware layer resets the video size according to the reset video window size.
In some embodiments, the method further comprises:
if the reset video window size is smaller than the virtual window size, the middleware layer displays a small window according to the video window size;
and if the reset video window size is not smaller than the virtual window size, the middleware layer performs full-screen display according to the virtual window size.
In some embodiments, the method further comprises:
after receiving the resolution change information, the middleware layer broadcasts the resolution change information to the application layer;
the application layer resets the size of the virtual window according to the resolution change information, performs graphic processing according to the reset size of the virtual window, and resets the size of the video window.
The middleware layer updates the video size according to the reset video window size.
In the embodiment, the method and the device shield the differences between different schemes and various machine types by designing the virtual window, have horizontal and vertical resolutions, and support the configuration of the number of offset pixels of the virtual window in the upper, lower, left and right directions relative to the real screen, so that the output image is displayed on the real screen more completely. The upper layer application may calculate the image position coordinates based on the virtual window. The method and the device adapt to the difference of the screen resolution, also support the dynamic change of the display resolution, reduce the manpower input and the version maintenance cost, and improve the compatibility and the stability of the display equipment system software.
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;
FIG. 1D is a block diagram illustrating an architectural configuration of an operating system in memory of display device 200;
FIG. 2 is a flow chart illustrating the adaptation, development and maintenance of an application program for product design;
fig. 3 is a schematic diagram illustrating a GUI provided by the display apparatus 200;
FIGS. 4A-4B are schematic diagrams illustrating another GUI provided by display device 200;
FIG. 5 is a diagram illustrating the software architecture of the image display;
FIG. 6 is a flow chart illustrating a method of providing an image display in a display device;
FIG. 7 is a flow chart illustrating a method of providing another image display in a display device;
a flow chart of a method of providing yet another image display in a display device is illustrated in fig. 8.
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 effort, shall fall 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, or result.
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 may provide various controls to a user through an intuitive User Interface (UI) on a screen associated with the smart 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 the functions of the physical keys as arranged in the remote control 100A by operating various function keys or virtual buttons of the user interface provided on the mobile terminal 100B. The audio and video content displayed on the mobile terminal 100B may also be transmitted to the display device 200, so as to implement a synchronous display function.
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 of servers, 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 of the communication cooperation, 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 on the sound output interface 153, or in the form of vibration on 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 output 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 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 the different kinds 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 module 222, and a wired ethernet 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 some 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 apparatus 200 may be adjusted to display a color temperature of an image that is cooler; 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 250 to control data transmission between the display apparatus 200 and an external apparatus. The external device interface 240 may be connected to 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 processor 254, a communication interface 255, and a communication bus 256. The RAM251, the ROM252, the graphic processor 253, and the processor 254 are connected to a communication interface 255 via a communication bus 256.
The ROM252 stores various system boot instructions. When the power-on signal is received, the display apparatus 200 starts to be powered on, and the processor 254 executes the system boot instruction in the ROM252 and copies the operating system stored in the memory 260 to the RAM251 to start running the boot operating system. After the start of the operating system is completed, the processor 254 copies the various applications in the memory 260 to the RAM251 and then starts running the various applications.
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 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 demonstrative embodiments, processor 254 may include 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 standby mode or the like of the display apparatus.
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 nonvolatile 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 implemented 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 (Cascading Style Sheets), is a computer language used to represent the Style of HTML documents, and may be used to define Style structures, such as fonts, colors, locations, 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 may 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: provide display driver for the display, provide camera driver for the camera, provide button driver for the remote controller, provide wiFi driver for the WIFI module, provide audio driver for audio output interface, provide power management drive for Power Management (PM) module etc..
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, a user may enter user commands on 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 the 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 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 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 an RGB data signal.
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 assembly for presenting a picture and a driving assembly 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, decompress and decode the received audio signal according to a standard codec protocol of the input signal, and perform audio data processing such as noise reduction, digital-to-analog conversion, and amplification processing to obtain an audio signal that can be played by 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.
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.
A schematic view of a GUI provided by the display device 200 is exemplarily shown in fig. 3.
As shown in fig. 3, the display device may provide a GUI to the display that includes a plurality of items providing different image content, such as: the items 41 and 42, and the GUI further includes a selector 43 indicating that either item is selected, the position of the selector in the GUI being movable by input from a user operating the control means to change the selection of a different item. For example, the selector 43 indicates that the item 41 is selected.
It should be noted that items, which refer to visual objects displayed in respective presentation areas of the GUI in the display apparatus 200 to represent corresponding contents such as icons, thumbnails, video clips, links, etc., may provide the user with various conventional program contents received through data broadcasting, and various application and service contents set by a content manufacturer.
In some embodiments, the items may represent movies, image content or video clips of a television series, audio content of music, applications, or other user access content history information. If the item is a movie or a tv show, the item may be displayed as a poster of the movie or tv show, a video clip dynamic of a trailer of the movie or tv show. If the item is music, a poster of a music album may be displayed. Such as an icon for the application when the item is an application, or a screenshot of the content that captures the application when it was most recently executed. If the item is the user access history, the content screenshot in the latest execution process can be displayed.
In some embodiments, the item may represent an interface or a set of interfaces to which the display device 200 is connected with an external device, or may represent a name of an external device connected to the display device, or the like. Such as: a signal source input interface set, or an HDMI interface, a USB interface, a PC terminal interface, etc.
The presentation forms of items are often diverse. For example, the items may include text content and/or images for displaying thumbnails related to the text content, or video clips related to the text. As another example, the item may be text and/or an icon of an application.
It is further noted that the selector is used to indicate that any item, such as the focus object, has been selected. In one aspect, the movement of the focus object displayed in the display apparatus 200 may be controlled to select or control the item according to an input of the user through the control device 100. Such as: the user may select and control items by controlling the movement of the focus object between items through the direction keys on the control device 100. On the other hand, movement of items displayed in the display apparatus 200 may be controlled according to an input of a user through the control device 100 to cause a focus object to select or control the items. Such as: the user can control the items to move left and right together by the direction key on the control device 100, so as to enable the focus object to select and control the items while keeping the position of the focus object unchanged.
The form of identification of the selector is often diversified. For example, the position of the focus object may be implemented or identified by enlarging the item, by setting a background color of the item, or by changing a border line, a size, a color, a transparency, an outline, and/or a font of a text or an image of the focused item.
A schematic view of another GUI provided by the display apparatus 200 is exemplarily illustrated in fig. 4A-4B.
As shown in fig. 4A, the display device may provide a GUI to the display that includes multiple items providing different image content, such as: an item 41 and an item 42, wherein the item 41 is an image display item for displaying a playing video picture; item 42 is a text presentation item for presenting a text introduction to the playing video frame. When the user presses a direction key on the control device, the current selector 43 indicates that the image presentation item is selected. When the user presses the enter key on the control device, the display device responds to the input command, as shown in fig. 4B, and changes the video picture played in the current image display item to the full-screen video picture. When the user presses the return key on the control device, the display device responds to the input instruction, as shown in fig. 4A, to change the currently full-screen playing video picture to the playing video picture in the image display item.
Fig. 5 shows a software architecture diagram of an image display.
The middleware is independent system-level software, connects the kernel layer and the application layer, provides interface standardization of the application by different schemes, unifies protocols, and shields details of specific operation. And providing a platform running environment for the application software supported by the software, wherein the environment shields the interface difference between the bottom layers of the scheme.
The middleware realizes basic function interfaces such as images and audios for upper-layer application, and simultaneously needs to optimize and process differences of various schemes in function and flow design. One of the most common functions in image processing is the size problem, and different schemes and models can adopt fixed sizes or calculate the coordinates and width and height of an image to be drawn by acquiring the screen resolution. The method designs and develops a set of middleware interfaces in a virtual window mode to shield the differences of different schemes and models.
A method flow diagram for image display is illustrated in fig. 6.
Referring to fig. 6, the method includes the following steps:
step S61: judging whether to adapt the screen according to the screen resolution;
among them, the screen is classified into a 2K screen, a 4K screen, and an 8K screen according to the resolution.
If the screen is adapted according to the screen resolution, step S62 is performed.
Step S62: acquiring screen parameter information, wherein the screen parameter information comprises a physical resolution, and the size of a virtual window is determined according to the physical resolution;
if the screen is not adapted according to the screen resolution, step S63 is performed.
Step S63: judging whether the screen is adapted according to a fixed resolution;
if the screen is adapted in accordance with the fixed resolution, step S64 is performed.
Step S64: acquiring configuration information, wherein the configuration information comprises fixed resolution, and the size of a virtual window is determined according to the fixed resolution;
if the screen is not adapted in accordance with the fixed resolution, step S65 is performed.
Step S65: acquiring current resolution, and determining the size of a virtual window according to the current resolution;
step S66: and carrying out graphic processing according to the virtual window size, and setting the video window size.
The graphic processing refers to a process of overlaying pictures and text information on a video signal after the video signal is displayed in a full screen or a region as required.
Steps S61 to S65 are performed by the middleware, i.e., steps S61 to S65 are performed at the middleware level, and step S66 is performed by the application, i.e., step S66 is performed at the application level.
The method designs and develops a set of middleware interfaces in a virtual window mode. The virtual window is an abstract window of the display device in a middleware layer, shields the difference of different schemes and models, and has horizontal and vertical resolutions. The middleware interface supports the configuration of the offset pixel number of the virtual window in the upper, lower, left and right directions relative to the real screen, so that the output image is displayed on the real screen more completely. The upper layer application may calculate the image position coordinates based on the virtual window.
In some embodiments, in order to meet the output requirements of all models, the application scenes must be classified first and then processed according to the specific model. And each application program calls a virtual window interface of the middleware to directly perform graphic processing and set a video window according to the obtained size.
Another method flow diagram for image display is illustrated in fig. 7.
The image display method shown in fig. 7 is applied to reset the video window size due to user requirements or user interface transition requirements after the display device stably displays the image picture in the method shown in fig. 6.
With reference to fig. 7, the present application provides another image display method including:
The application layer receives an image display replacement instruction input by a user through operating the control device through a user interface;
for example, the user interface may receive an instruction from the user to input a full screen display corresponding to a determination key on the control device by pressing the determination key, or the user interface may receive an instruction from the user to return to the previous user interface corresponding to a return key by pressing the return key on the control device.
Wherein, the image display replacement instruction carries the scaling information of the image display.
In response to the image display replacement instruction, the application layer acquires a virtual window size provided by the middleware layer, wherein the virtual window size may be determined according to steps S61 to S65. In view of the fact that the virtual window size has been acquired once when the video window size was set last time, the step of acquiring the virtual window size may be omitted in the case where the virtual window size is not changed.
The application layer carries out graphic processing according to the scaling information and the virtual window size and resets the video window size;
the middleware layer resets the video size according to the reset video window size.
In some embodiments, if the reset video window size is smaller than the virtual window size, the middleware layer performs a widget display according to the video window size, as shown in fig. 4A;
If the reset video window size is not smaller than the virtual window size, the middleware layer performs full screen display according to the virtual window size, as shown in fig. 4B.
When the size of the video window is not smaller than the size of the virtual window, the size of the virtual window is usually forcibly set to ensure that the image can be completely displayed, and bottom layer driving processing errors are prevented.
A flow chart of yet another method of image display is illustrated in fig. 8.
The image display method shown in fig. 8 is directed to a scheme with variable resolution, the resolution change is usually caused by a change in a bottom layer driving processing manner, and the middleware updates the information accordingly after receiving the information, and notifies applications in a broadcast form, wherein the applications include applications for video display, and the size of a video window needs to be recalculated and fed back to the middleware.
With reference to fig. 8, the present application provides another image display method including:
after receiving the resolution change information, the middleware layer broadcasts the resolution change information to the application layer;
the application layer resets the size of the virtual window according to the resolution change information, performs graphic processing according to the reset size of the virtual window, and resets the size of the video window.
The middleware layer updates the video size according to the reset video window size.
In the embodiment, the method and the device design and shield the difference between different schemes and various machine types in a virtual window mode, have horizontal and vertical resolutions, support the configuration of the number of offset pixels of the virtual window in the upper, lower, left and right directions relative to a real screen, and enable an output image to be displayed on the real screen more completely. The upper layer application may calculate the image position coordinates based on the virtual window. The method and the device adapt to the difference of the screen resolution, also support the dynamic change of the display resolution, reduce the manpower input and the version maintenance cost, and improve the compatibility and the stability of the display equipment system software.
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 (10)
1. A display device, comprising:
a display;
a controller for performing:
if the screen is adapted according to the screen resolution, screen parameter information is obtained, the screen parameter information comprises the physical resolution, and the size of the virtual window is determined according to the physical resolution;
if the screen is not adapted according to the screen resolution and is adapted according to the fixed resolution, acquiring configuration information, wherein the configuration information comprises the fixed resolution, and determining the size of the virtual window according to the fixed resolution;
if the screen is not adapted according to the fixed resolution, acquiring the current resolution, and determining the size of the virtual window according to the current resolution;
and carrying out graphic processing according to the virtual window size, and setting the video window size.
2. The display device according to claim 1, wherein the controller specifically performs:
if the screen is adapted according to the screen resolution, the middleware layer acquires screen parameter information, wherein the screen parameter information comprises physical resolution, and the size of a virtual window is determined according to the physical resolution;
if the screen is not adapted according to the screen resolution and is adapted according to the fixed resolution, the middleware layer acquires configuration information, wherein the configuration information comprises the fixed resolution, and the size of the virtual window is determined according to the fixed resolution;
If the screen is not adapted according to the fixed resolution, the middleware layer acquires the current resolution and determines the size of the virtual window according to the current resolution;
and the application layer acquires the size of the virtual window, performs graphic processing according to the size of the virtual window and sets the size of the video window.
3. The display device according to claim 2, wherein the controller is further configured to perform:
responding to an image display replacement instruction, wherein the image display replacement instruction carries scaling information, and an application layer performs graphic processing according to the scaling information and the virtual window size and resets the video window size;
the middleware layer resets the video size according to the reset video window size.
4. The display device according to claim 3, wherein the controller is further configured to perform:
if the reset video window size is smaller than the virtual window size, the middleware layer displays a small window according to the video window size;
and if the reset video window size is not smaller than the virtual window size, the middleware layer performs full-screen display according to the virtual window size.
5. The display device according to claim 2, wherein the controller is further configured to perform:
After receiving the resolution change information, the middleware layer broadcasts the resolution change information to the application layer;
the application layer resets the size of the virtual window according to the resolution change information, performs graphic processing according to the reset size of the virtual window and resets the size of the video window;
the middleware layer updates the video size according to the reset video window size.
6. An image display method, comprising:
if the screen is adapted according to the screen resolution, screen parameter information is obtained, the screen parameter information comprises the physical resolution, and the size of the virtual window is determined according to the physical resolution;
if the screen is not adapted according to the screen resolution and is adapted according to the fixed resolution, acquiring configuration information, wherein the configuration information comprises the fixed resolution, and determining the size of the virtual window according to the fixed resolution;
if the screen is not adapted according to the fixed resolution, acquiring the current resolution, and determining the size of the virtual window according to the current resolution;
and carrying out graphic processing according to the virtual window size, and setting the video window size.
7. The method according to claim 6, characterized in that the method comprises in particular:
If the screen is adapted according to the screen resolution, the middleware layer acquires screen parameter information, wherein the screen parameter information comprises physical resolution, and the size of a virtual window is determined according to the physical resolution;
if the screen is not adapted according to the screen resolution and is adapted according to the fixed resolution, the middleware layer acquires configuration information, wherein the configuration information comprises the fixed resolution, and the size of the virtual window is determined according to the fixed resolution;
if the screen is not adapted according to the fixed resolution, the middleware layer acquires the current resolution and determines the size of the virtual window according to the current resolution;
and the application layer acquires the size of the virtual window, performs graphic processing according to the size of the virtual window and sets the size of the video window.
8. The method of claim 7, further comprising:
responding to an image display replacement instruction, wherein the image display replacement instruction carries scaling information, and an application layer performs graphic processing according to the scaling information and the virtual window size and resets the video window size;
the middleware layer resets the video size according to the reset video window size.
9. The method of claim 8, further comprising:
If the reset video window size is smaller than the virtual window size, the middleware layer displays a small window according to the video window size;
and if the reset video window size is not smaller than the virtual window size, the middleware layer performs full-screen display according to the virtual window size.
10. The method of claim 7, further comprising:
after receiving the resolution change information, the middleware layer broadcasts the resolution change information to the application layer;
the application layer resets the size of the virtual window according to the resolution change information, performs graphic processing according to the reset size of the virtual window and resets the size of the video window;
the middleware layer updates the video size according to the reset video window size.
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