CN111629249B - Method for playing startup picture and display device - Google Patents
Method for playing startup picture and display device Download PDFInfo
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- CN111629249B CN111629249B CN202010414504.3A CN202010414504A CN111629249B CN 111629249 B CN111629249 B CN 111629249B CN 202010414504 A CN202010414504 A CN 202010414504A CN 111629249 B CN111629249 B CN 111629249B
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- H—ELECTRICITY
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- 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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/44004—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video buffer management, e.g. video decoder buffer or video display buffer
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
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Abstract
The application discloses a method for playing a startup picture and display equipment, which are used for achieving the purpose of playing the startup picture quickly and completely. The method comprises the following steps: when the display equipment is started, the starting advertisement module polls whether the image synthesis module is started or not aiming at the first canvas data of each piece corresponding to the starting picture, and if so, outputs the first canvas data to the image synthesis module; if not, outputting the first canvas data to the frame buffer client module; the frame buffer client module sends the first layer data to a frame buffer module; the system homepage module outputs second canvas data corresponding to the homepage picture to the image synthesis module; when receiving the first canvas data and the second canvas data, the image synthesis module outputs the second layer data corresponding to the first canvas data to the frame buffer module to shield the second canvas data; and the frame buffer module outputs the first layer data or the second layer data to the display for displaying.
Description
Technical Field
The present application relates to the field of startup picture advertisement technologies, and in particular, to a startup picture playing method and a display device.
Background
The starting speed of the picture advertisement is an important index of the starting performance, and how to quickly start the starting picture advertisement and completely play the starting picture advertisement is a main concern of people.
When the startup picture advertisement is played, a surfaflinger (curved surface synthesizer) is generally required to be adopted for drawing the layer. The surfaceflag is a system service framework of android, and is used for receiving image data from multiple sources, synthesizing the image data into image layer data and sending the image layer data to a display device. Since the startup faceflicker needs a certain time, about 10s, the startup time of the startup picture is slow.
In order to increase the starting speed of the boot-up picture, it is proposed to use a framebuffer instead of the surfefinger to draw the boot-up picture. The framebuffer is an interface provided by Linux for a display device, and an abstract device of a video memory allows an upper application program to directly perform read-write operation on a display buffer area in a graphic mode, so that the starting speed of a starting picture adopting the framebuffer is higher than that of a surfefinger.
However, with the framebuffer rendering, when the startup picture is not played completely, the startup picture will be covered by the started main page, so that the startup advertisement picture cannot be played completely.
Disclosure of Invention
In view of this, the present application provides a method for playing a startup picture and a display device, so as to achieve the purpose of fast starting and completely playing the startup picture.
Specifically, the method is realized through the following technical scheme:
in a first aspect, the present application provides a display device comprising:
a display;
the controller is coupled with the display and used for starting the starting advertisement module, the frame buffer client module, the image synthesis module, the frame buffer module and the system homepage module when the display equipment is started; wherein the content of the first and second substances,
the starting-up advertising module is used for polling whether the image synthesis module is started or not aiming at the first canvas data of each piece corresponding to the starting-up picture, and if so, outputting the first canvas data to the image synthesis module; if not, outputting the first canvas data to a frame buffer client module;
the frame buffer client module is used for sending the first layer data to the frame buffer module when receiving the first canvas data sent by the starting-up advertisement module;
the system homepage module is used for outputting second canvas data corresponding to the homepage picture to the image synthesis module;
the image synthesis module is used for outputting second layer data corresponding to the first canvas data to a frame buffer module when the first canvas data and the second canvas data are received, and shielding the second canvas data;
the frame buffer module is used for sending the first layer data to a display for displaying when the first layer data output by the frame buffer client module is received; and when the second layer data output by the image synthesis module is received, sending the second layer data to a display for displaying.
In a second aspect, the present application provides a display device comprising:
a display;
the controller is coupled with the display and used for starting the starting advertisement module, the frame buffer client module, the image synthesis module, the frame buffer module and the system homepage module when the display equipment is started; wherein the content of the first and second substances,
the starting-up advertising module is used for polling whether the image synthesis module is started or not according to the first canvas data of each corresponding starting-up picture, outputting empty canvas data to the image synthesis module if the image synthesis module is started, and outputting the first canvas data to the frame buffer client module; if not, outputting the first canvas data to a frame buffer client module;
the frame buffer client module is used for sending the first layer data to the frame buffer module when receiving the first canvas data sent by the starting-up advertisement module;
the system homepage module is used for outputting second canvas data corresponding to the homepage picture to the image synthesis module;
the image synthesis module is used for outputting second layer data corresponding to the empty canvas data to a frame buffer module when the empty canvas data and the second canvas data are received, and shielding the second canvas data;
and the frame buffer module is used for sending the first layer data to a display for displaying when receiving the first layer data output by the frame buffer client-side module.
In a third aspect, the present application provides a method for playing a boot image, where the method includes:
when the display equipment is started, a starting advertisement module, a frame buffer client module, an image synthesis module, a frame buffer module and a system homepage module are started;
the starting advertising module polls whether the image synthesis module is started or not aiming at the first canvas data of each corresponding starting picture, and if so, outputs the first canvas data to the image synthesis module; if not, outputting the first canvas data to a frame buffer client module;
when receiving first canvas data sent by a starting-up advertisement module, a frame buffer client module sends the first layer data to a frame buffer module;
the system homepage module outputs second canvas data corresponding to the homepage picture to the image synthesis module;
when receiving the first canvas data and the second canvas data, the image synthesis module outputs second layer data corresponding to the first canvas data to a frame buffer module to shield the second canvas data;
when receiving the first layer data output by the frame buffer client module, the frame buffer module sends the first layer data to a display for displaying; and when the second layer data output by the image synthesis module is received, sending the second layer data to a display for displaying.
In a fourth aspect, the present application provides a method for playing a boot image, where the method includes:
when the system is started, a starting advertisement module, a frame buffer client module, an image synthesis module, a frame buffer module and a system homepage module are started;
the starting advertising module polls whether the image synthesis module is started or not according to the first canvas data of each corresponding starting picture, if so, the empty canvas data is output to the image synthesis module, and the first canvas data is output to the frame buffer client module; if not, outputting the first canvas data to a frame buffer client module;
when receiving first canvas data sent by a starting-up advertisement module, a frame buffer client module sends the first layer data to a frame buffer module;
the system homepage module outputs second canvas data corresponding to the homepage picture to the image synthesis module;
when receiving the empty canvas data and the second canvas data, the image synthesis module outputs the second layer data corresponding to the empty canvas data to a frame buffer module to shield the second canvas data;
and when receiving the first layer data output by the frame buffer client module, the frame buffer module sends the first layer data to a display for displaying.
In the above embodiment, the display device may replace the image synthesis module with the frame buffer client module before the image synthesis module is not started to process the layer data, and switch to the image synthesis module to process the layer data after the image synthesis module is started, so that the play-up speed is not affected, and the problem that the layer data is covered by the homepage during the boot-up advertisement process is solved.
In addition, the application can also send a blank layer to the image synthesis module after the image synthesis module is started, so that the playing speed is not influenced, the starting advertisement process is not covered by a homepage, simultaneously the blocking caused by the connection problem of switching the display frame can be avoided, and the playing effect is optimized.
Drawings
Fig. 1A schematically illustrates an operation scenario between the display device 200 and the control 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.
FIG. 2 is a schematic diagram illustrating a first display frame structure;
FIG. 3 is an exemplary flow chart illustrating an interaction of playing a boot-up picture;
FIG. 4 is a schematic diagram illustrating a second display frame structure;
FIG. 5 is a schematic diagram illustrating layer display;
fig. 6 is an interaction flowchart illustrating a first method for playing a boot-up picture according to the present application;
fig. 7 is an interaction flowchart illustrating a second method for playing a boot-up picture according to the present application.
Detailed Description
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 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 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 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 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 210 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 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 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.
In some embodiments, when the startup picture advertisement is played, a surfaflinger (curved surface synthesizer) is generally required to be used for drawing the layer. As shown in fig. 2, in the display frame structure, firstly, a bootad (boot advertisement) draws canvas data corresponding to a boot image, and then, a surfaceflag is used to perform image synthesis processing to obtain the display frame structure; and then transmitting the layer to the framebuffer for drawing.
The specific interaction process is shown in fig. 3, which includes the steps of:
step 301, transmitting boot canvas data of the startup picture to a surfefringer through a boot;
the boot picture is usually one or more pictures in a JPG format or a PNG format stored in a video memory, and the bootad superimposes the one or more pictures into one canvas and sends the canvas data to the surfaceflinger.
Step 302, starting VOD (system homepage) by a Framework, and transmitting VOD canvas data to the surfefringer;
step 303, the surfefringer judges whether the bootad canvas data is received currently, if yes, the step 304 is switched; if not, go to step 305;
step 304, the surfefringer firstly shields VOD canvas data, draws the bootad canvas data on the layer to obtain the bootad layer data, and then goes to step 306;
305, drawing VOD canvas data on the layer by the surfefinger to obtain VOD layer data, and turning to 307;
step 306, the framebuffer receives the bootad layer data output by the surfeflinger and transmits the bootad layer data to the display to display the startup picture.
And 307, the framebuffer receives the VOD layer data output by the surfefringer and transmits the VOD layer data to the display to display the homepage.
Because the starting time of the surfefinger is longer than that of the framebuffer, if the surfefinger is replaced by the framebuffer, the overlapped bootad layer data is directly sent to the middle framebuffer by the bootad, although the starting speed of the boot picture can be increased, the framebuffer cannot judge whether the layer of the boot picture advertisement is drawn, and the display of the main page cannot be shielded.
In a first embodiment, in order to solve the above problem, the present application provides a method for playing a startup picture and a display device, so that when the display device plays the startup picture, the startup picture can be played quickly and completely. See the following examples for specific embodiments.
In connection with the display device shown in fig. 1B, the display device of the present application at least includes a display, and a controller, such as a GPU (Graphics Processing Unit), coupled to the display.
The display frame structure in the controller is shown in fig. 4, which includes a boot advertisement module, a frame buffer client module, an image synthesis module, a frame buffer module, and a system homepage module. The starting advertisement module can be a boot, the image synthesis module can be a surfflag, the frame buffer module can be a frame buffer, the system homepage module can be a frame, and the frame buffer client module is an auxiliary frame buffer client tool.
The controller is used for starting the starting advertisement module, the frame buffer client module, the image synthesis module, the frame buffer module and the system homepage module when the display equipment is started. After each module is started, the processing process is as follows:
the starting-up advertising module is used for polling whether the image synthesis module is started or not aiming at the first canvas data of each piece corresponding to the starting-up picture, and if so, outputting the first canvas data to the image synthesis module; and if not, outputting the first canvas data to a frame buffer client-side module.
In this embodiment, the start-up advertisement module may first obtain the start address and the length of the start-up picture in the memory through the filemap. And then processing the bitmap called bitmap by an android sketch gallery. The bitmap may be one or more, and the bitmap may be in JPG or PNG format. One or more bitmaps are then drawn onto a canvas through the overlay process by the processing of the skia gallery. Finally, the width and height of the canvas and the picture are taken as the first canvas data.
The boot advertising module may poll whether the image synthesis module is started up or not for the first canvas data of each sheet corresponding to the boot image. Specifically, since the image composition module sets a designated flag bit in the attribute to a first value after the image composition module is started, the first value indicating that the image composition module is started, the first value may be "1"; and the image composition module sets the designated flag bit in the attribute to a second value when the startup is not completed, the second value indicating that the startup of the image composition module is not completed, and the second value may be "0". Therefore, the starting-up advertisement module can poll whether a designated zone bit in the attribute of the image synthesis module is set as a first value, and if so, the image synthesis module is determined to be started; if not, determining that the image synthesis module is not started completely.
When it is determined that the image composition module is completely started, the boot advertising module may output the first canvas data to the image composition module. Specifically, the boot advertisement module may call the image synthesis module through the EGL interface, so that the image synthesis module obtains the first canvas data.
The boot advertising module may output the first canvas data to a frame buffer client module when it is determined that the image composition module is not started. Specifically, the power-on advertisement module may output the first canvas data to the buffering client module through a framebuffer interface.
The frame buffer client module may send the first layer data to the frame buffer module when receiving the first canvas data sent by the power-on advertisement module. Specifically, when receiving the first canvas data, the buffering client module may extract pixel data from the canvas in the first canvas data, perform processing in combination with the width and height of the picture in the first canvas data, draw the first layer applied in advance from the layer display sequence in the frame buffering module to obtain first layer data, and then send the first layer data to the frame buffering module.
The system homepage module can output second canvas data corresponding to the homepage picture to the image synthesis module. Specifically, the system homepage module may output the second canvas data corresponding to the homepage picture after the system homepage is started. The starting time of the system homepage module is later than the starting time of the image synthesis module.
The image synthesis module can output the second layer data corresponding to the first canvas data to the frame buffer module when receiving the first canvas data and the second canvas data, and shield the second canvas data. Specifically, the canvas data received by the image composition module can be divided into three cases:
in the first case, the image composition module receives only the first canvas data. At this time, the image synthesis module may determine that the startup picture is not played and the homepage is not started, so that the pixel data may be extracted from the canvas in the first canvas data, and the pixel data may be processed by combining the width and height of the picture in the first canvas data, and the pixel data may be drawn into the second layer applied in advance from the layer display sequence in the frame buffer module to obtain the second layer data, and then the second layer data may be sent to the frame buffer module.
In the second case, the image composition module receives the first canvas data and the second canvas data. At this time, the image synthesis module may determine that the startup picture is not played and the homepage is started, so that the first canvas data may be drawn into a second layer applied in advance from the layer display sequence in the frame buffer module to obtain second layer data, and then the second layer data is sent to the frame buffer module. And shielding the second canvas data, and avoiding displaying the homepage when the startup picture is not played.
In the third case, the image synthesis module receives only the second canvas data output by the system homepage module. At this time, the image synthesis module may determine that the playing of the boot-up picture is completed at this time, and therefore may draw the second canvas data to a second layer applied in advance from the layer display sequence in the frame buffer module to obtain third layer data, and then output the third layer data to the frame buffer module.
The frame buffer module may send the first layer data to a display for display when receiving the first layer data output by the frame buffer client module; and when the second layer data output by the image synthesis module is received, sending the second layer data to a display for displaying. And when third layer data sent by the image synthesis module is received, the third layer data can be sent to a display for displaying. When the display displays the second layer data, the image synthesis module is indicated to be in normal operation currently, so that the frame buffer client module can be deleted.
It should be noted that, when the display displays an image, there is usually a display of multiple layers of window overlays, and the Order of window overlays is represented by a sequence of layer displays, which is also referred to as Z-Order (Z-axis Order). The stacking of the windows is along an imaginary axis, the Z-axis, which extends perpendicularly outward from the screen. The method is used for representing the sequence of the windows in the window chain, namely the front-back sequence of the windows when the windows are displayed on the screen, the window which is positioned more forward in the sub-window chain is positioned more forward when the window is displayed, and the window with the front Z-Order can block the window with the back Z-Order.
In an example, the frame buffer module may set a first layer in a layer display sequence for the frame buffer client module in advance, and set a second layer in the layer display sequence for the image synthesis, where the second layer is located above the first layer, and a stacking manner is as shown in fig. 5.
Because the frame buffer client module is earlier than the image synthesis module in starting time, the frame buffer client module outputs the layer before the image synthesis module, and the screen plays the first layer corresponding to the frame buffer client module. When the image synthesis module is started and outputs the second layer, the frame buffer client module does not output the second layer at the moment, the first layer is blank, and if the first layer is arranged on the second layer, the blank first layer can cover the second layer, so that a white screen can appear on a display screen before the frame buffer client module is deleted, and the startup advertisement is played in a short flashing screen process.
Therefore, the frame buffer module sets the second layer on the first layer, and even if the first layer is a blank layer, the second layer covers the first layer, so that the problem of white screen cannot occur.
The specific interaction process of the above modules is shown in fig. 6, which includes:
601, the starting advertisement module judges whether the image synthesis module is started up according to the current first canvas data, if yes, the step 602 is executed; if not, go to step 603;
step 602, the starting advertisement module outputs the first canvas data to the image synthesis module;
603, the starting advertisement module outputs the first canvas data to the frame buffer client module;
step 604, when receiving first canvas data, the frame buffer client module sends the first layer data corresponding to the first canvas data to the frame buffer module;
step 605, the frame buffer module sends the first layer data to a first layer of the display for displaying;
step 606, the system homepage module outputs second canvas data corresponding to the homepage picture to the image synthesis module;
step 607, the image synthesis module judges whether the first canvas data is received, if yes, go to step 608; if not, go to step 610;
step 608, outputting second layer data corresponding to the first canvas data to a frame buffer module, and shielding the second canvas data;
step 609, the frame buffer module sends the second layer data to a second layer of the display for displaying;
step 610, outputting the third layer data corresponding to the second canvas data to a frame buffer module;
step 611, the frame buffer module sends the third layer data to the second layer of the display for displaying.
In the embodiment, the frame buffer client module replaces the image synthesis module to process the layer data before the image synthesis module is not started, and the image synthesis module is switched to the image synthesis module to process after the image synthesis module is started, so that the play-up speed is not affected, and the problem that the advertisement is covered by a homepage in the starting-up process can be solved.
In a second embodiment, in order to solve the above problem, the present application provides another method for playing a startup picture and a display device, so that when the display device plays the startup picture, not only can the purpose of fast starting up and completely playing the startup picture advertisement be achieved, but also the problem of connection and jamming caused by display frame switching can be avoided, and the display effect is further optimized. See the following examples for specific embodiments.
In connection with the display device shown in fig. 1B, the display device of the present application at least includes a display, and a controller, such as a GPU (Graphics Processing Unit), coupled to the display.
The display frame structure in the controller is shown in fig. 4, which includes a boot advertisement module, a frame buffer client module, an image synthesis module, a frame buffer module, and a system homepage module. The controller is used for starting the starting advertisement module, the frame buffer client module, the image synthesis module, the frame buffer module and the system homepage module when the display equipment is started.
The starting-up advertising module is used for polling whether the image synthesis module is started or not according to the first canvas data of each corresponding starting-up picture, outputting empty canvas data to the image synthesis module if the image synthesis module is started, and outputting the first canvas data to the frame buffer client module; and if not, outputting the first canvas data to a frame buffer client-side module.
It should be noted that, in this embodiment, the boot advertisement module sends the first canvas data to the frame buffer client module regardless of whether the image synthesis module is started, and does not need to switch to the image synthesis module. Correspondingly, the empty canvas data can be output after the image synthesis module is started, so that the image synthesis module can consider that the startup picture is not played completely.
And the frame buffer client module is used for sending the first layer data to the frame buffer module when receiving the first canvas data sent by the starting-up advertisement module. Specifically, when receiving the first canvas data, the buffering client module may extract pixel data from the canvas in the first canvas data, perform processing in combination with the width and height of the picture in the first canvas data, draw the first layer applied in advance from the layer display sequence in the frame buffering module to obtain first layer data, and then send the first layer data to the frame buffering module.
The system homepage module can output second canvas data corresponding to the homepage picture to the image synthesis module. Specifically, the system homepage module may output the second canvas data corresponding to the homepage picture after the system homepage is started. The starting time of the system homepage module is later than the starting time of the image synthesis module.
And the image synthesis module is used for receiving the empty canvas data and the second canvas data, drawing the empty canvas data to a second layer applied in the layer display sequence in the frame buffer module in advance to obtain blank second layer data, outputting the second layer data to the frame buffer module, and shielding the second canvas data.
And the frame buffer module is used for sending the first layer data to a display for displaying when receiving the first layer data output by the frame buffer client module, and sending the second layer data to the display for displaying when receiving the second layer data output by the image synthesis module.
In this embodiment, the frame buffer module may set a first layer in a layer display sequence for the frame buffer client module in advance, and set a second layer in the layer display sequence for the image synthesis, where the first layer is located above the second layer, so that the display screen always displays the first layer with a picture, and does not display a blank second layer.
The specific interaction process of the above modules is shown in fig. 7, which includes:
701, the starting advertisement module polls whether the image synthesis module is started up or not according to the current first canvas data, and if so, the step 702 is executed; if not, go to step 703;
step 702, the starting advertisement module outputs the empty canvas data to the image synthesis module;
703, the starting advertisement module outputs the first canvas data to a frame buffer client module;
step 704, when receiving the first canvas data, the frame buffer client module sends the first layer data corresponding to the first canvas data to the frame buffer module;
step 705, the frame buffer module sends the first layer data to a first layer of a display for displaying;
step 706, the system homepage module outputs second canvas data corresponding to the homepage picture to the image synthesis module;
step 707, the image synthesis module judges whether the empty canvas data is received, if yes, go to step 708; if not, go to step 710;
step 708, outputting second layer data corresponding to the empty canvas data to a frame buffer module, and shielding the second canvas data;
709, the frame buffer module sends the empty layer data to a second layer of the display for display, wherein the second layer is located below the first layer;
step 710, outputting third layer data corresponding to the second canvas data to a frame buffer module;
and 711, sending the third layer data to a second layer of the display by the frame buffer module for displaying.
In the embodiment, the frame buffer client module replaces the image synthesis module to process the layer data before the image synthesis module is not started, and a blank layer is sent to the image synthesis module after the image synthesis module is started, so that the playing speed is guaranteed not to be influenced, the starting advertisement process is not covered by a homepage, the blockage caused by the connection problem of switching a display frame can be avoided, and the playing effect is optimized.
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 also intended to include such modifications and variations.
Claims (12)
1. A display device, comprising:
a display;
the controller is coupled with the display and used for starting the starting advertisement module, the frame buffer client module, the image synthesis module, the frame buffer module and the system homepage module when the display equipment is started; wherein the content of the first and second substances,
the starting-up advertising module is used for polling whether the image synthesis module is started or not aiming at the first canvas data of each piece corresponding to the starting-up picture, and if so, outputting the first canvas data to the image synthesis module; if not, outputting the first canvas data to a frame buffer client module;
the frame buffer client module is used for sending first layer data corresponding to the first canvas data to the frame buffer module when receiving the first canvas data sent by the starting-up advertisement module;
the system homepage module is used for outputting second canvas data corresponding to the homepage picture to the image synthesis module;
the image synthesis module is used for outputting second layer data corresponding to the first canvas data to a frame buffer module when the first canvas data and the second canvas data are received, and shielding the second canvas data;
the frame buffer module is used for sending the first layer data to a display for displaying when the first layer data output by the frame buffer client module is received; and when the second layer data output by the image synthesis module is received, sending the second layer data to a display for displaying, wherein the second layer data is displayed above the first layer data.
2. The display device of claim 1, wherein the power-on advertisement module polling the image composition module for completion of the start-up after the start-up, specifically comprises:
polling whether a designated flag bit in the attribute of an image synthesis module is set to a first value, wherein the first value indicates that the image synthesis module is started completely; if yes, determining that the image synthesis module is started completely; if not, determining that the image synthesis module is not started completely.
3. The display device of claim 1,
the frame buffer module is further configured to set a first layer in a layer display sequence for the frame buffer client module in advance, and set a second layer in the layer display sequence for the image synthesis module, where the second layer is located above the first layer.
4. The display device of claim 1,
the image synthesis module is further configured to output third layer data corresponding to the second canvas data to the frame buffer module if only the second canvas data output by the system homepage module is received;
and the frame buffer module is used for sending the third layer data to a display for displaying when receiving the third layer data sent by the image synthesis module.
5. A display device, comprising:
a display;
the controller is coupled with the display and used for starting the starting advertisement module, the frame buffer client module, the image synthesis module, the frame buffer module and the system homepage module when the display equipment is started; wherein the content of the first and second substances,
the starting-up advertising module is used for polling whether the image synthesis module is started or not according to the first canvas data of each corresponding starting-up picture, outputting empty canvas data to the image synthesis module if the image synthesis module is started, and outputting the first canvas data to the frame buffer client module; if not, outputting the first canvas data to a frame buffer client module;
the frame buffer client module is used for sending first layer data corresponding to the first canvas data to the frame buffer module when receiving the first canvas data sent by the starting-up advertisement module;
the system homepage module is used for outputting second canvas data corresponding to the homepage picture to the image synthesis module;
the image synthesis module is used for outputting second layer data corresponding to the empty canvas data to a frame buffer module when the empty canvas data and the second canvas data are received, and shielding the second canvas data;
and the frame buffer module is used for sending the first layer data to a display for displaying when the first layer data output by the frame buffer client module is received, wherein the first layer data is displayed above the second layer data.
6. The display device of claim 5, wherein the power-on advertisement module polling the image composition module for completion of the start-up after the start-up, specifically comprises:
polling whether a designated flag bit in the attribute of an image synthesis module is set to a first value, wherein the first value indicates that the image synthesis module is started completely; if yes, determining that the image synthesis module is started completely; if not, determining that the image synthesis module is not started completely.
7. A method for playing a startup picture is characterized by comprising the following steps:
when the display equipment is started, a starting advertisement module, a frame buffer client module, an image synthesis module, a frame buffer module and a system homepage module are started;
the starting advertising module polls whether the image synthesis module is started or not aiming at the first canvas data of each corresponding starting picture, and if so, outputs the first canvas data to the image synthesis module; if not, outputting the first canvas data to a frame buffer client module;
when receiving first canvas data sent by a starting-up advertisement module, a frame buffer client module sends first layer data corresponding to the first canvas data to a frame buffer module;
the system homepage module outputs second canvas data corresponding to the homepage picture to the image synthesis module;
when receiving the first canvas data and the second canvas data, the image synthesis module outputs second layer data corresponding to the first canvas data to a frame buffer module to shield the second canvas data;
when receiving the first layer data output by the frame buffer client module, the frame buffer module sends the first layer data to a display for displaying; and when the second layer data output by the image synthesis module is received, sending the second layer data to a display for displaying, wherein the second layer data is displayed above the first layer data.
8. The method of claim 7, wherein the step of polling the image composition module for completion of the startup after the startup of the startup advertisement module comprises:
polling whether a designated flag bit in the attribute of an image synthesis module is set to a first value, wherein the first value indicates that the image synthesis module is started completely; if yes, determining that the image synthesis module is started completely; if not, determining that the image synthesis module is not started completely.
9. The method of claim 7, wherein the method further comprises:
the frame buffer module sets a first layer in a layer display sequence for the frame buffer client module in advance, and sets a second layer in the layer display sequence for the image synthesis module, wherein the second layer is located above the first layer.
10. The method of claim 7, wherein the method further comprises:
if the image synthesis module only receives the second canvas data output by the system homepage module, outputting third layer data corresponding to the second canvas data to the frame buffer module;
and the frame buffer module is used for sending the third layer data to a display for displaying when receiving the third layer data sent by the image synthesis module.
11. A method for playing a startup picture is characterized by comprising the following steps:
when the system is started, a starting advertisement module, a frame buffer client module, an image synthesis module, a frame buffer module and a system homepage module are started;
the starting advertising module polls whether the image synthesis module is started or not according to the first canvas data of each corresponding starting picture, if so, the empty canvas data is output to the image synthesis module, and the first canvas data is output to the frame buffer client module; if not, outputting the first canvas data to a frame buffer client module;
when receiving first canvas data sent by a starting-up advertisement module, a frame buffer client module sends first layer data corresponding to the first canvas data to a frame buffer module;
the system homepage module outputs second canvas data corresponding to the homepage picture to the image synthesis module;
when receiving the empty canvas data and the second canvas data, the image synthesis module outputs the second layer data corresponding to the empty canvas data to a frame buffer module to shield the second canvas data;
and when receiving the first layer data output by the frame buffer client module, the frame buffer module sends the first layer data to a display for displaying, wherein the first layer data is displayed above the second layer data.
12. The method of claim 11, wherein the step of polling the image composition module for completion of the startup after the startup of the startup advertisement module comprises:
polling whether a designated flag bit in the attribute of an image synthesis module is set to a first value, wherein the first value indicates that the image synthesis module is started completely; if yes, determining that the image synthesis module is started completely; if not, determining that the image synthesis module is not started completely.
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| CN113207020B (en) * | 2021-04-29 | 2023-01-20 | 青岛海信宽带多媒体技术有限公司 | Intelligent set top box and boot animation playing optimization method |
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