WO2018113420A1 - Procédé et système permettant à un boîtier décodeur d'afficher des informations d'empreinte digitale, boîtier décodeur et support de stockage - Google Patents

Procédé et système permettant à un boîtier décodeur d'afficher des informations d'empreinte digitale, boîtier décodeur et support de stockage Download PDF

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Publication number
WO2018113420A1
WO2018113420A1 PCT/CN2017/108858 CN2017108858W WO2018113420A1 WO 2018113420 A1 WO2018113420 A1 WO 2018113420A1 CN 2017108858 W CN2017108858 W CN 2017108858W WO 2018113420 A1 WO2018113420 A1 WO 2018113420A1
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WO
WIPO (PCT)
Prior art keywords
height
top box
fingerprint
target
width
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2017/108858
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English (en)
Chinese (zh)
Inventor
姚小伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Skyworth Digital Technology Co Ltd
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Shenzhen Skyworth Digital Technology Co Ltd
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Publication of WO2018113420A1 publication Critical patent/WO2018113420A1/fr
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
    • H04N21/4181—External card to be used in combination with the client device, e.g. for conditional access for conditional access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
    • H04N21/4182—External card to be used in combination with the client device, e.g. for conditional access for identification purposes, e.g. storing user identification data, preferences, personal settings or data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations

Definitions

  • the present invention relates to the field of intelligent terminal technologies, and in particular, to a method, a system, a set top box and a storage medium for displaying fingerprint information in a set top box.
  • the CA front-end puts forward higher requirements for fingerprint display, not only requires the ability to display fingerprint information, but also requires the set-top box to change the size of the screen occupied by the fingerprint according to the settings of the front-end, so that the set-top box displays according to the specified display percentage. .
  • the set-top box belongs to an embedded device, its memory and flash resources are limited.
  • the received fingerprint information is mainly displayed by configuring a dot matrix font. Since different sizes of dot matrix fonts have different widths and heights, different dot matrix fonts correspond to different display percentages.
  • the set-top box needs to configure the dot matrix font corresponding to the above-mentioned percentages to meet the display requirements, so that the following problems exist:
  • the set top box is configured with a plurality of dot matrix fonts corresponding to the plurality of display percentages, so that the memory and flash resources of the set top box are occupied, which increases the running load of the set top box hardware.
  • the technical problem to be solved by the present invention is to provide a method and a system for displaying fingerprint information of a set top box according to the deficiencies of the prior art, so as to solve the problem that the existing set top box needs to configure a plurality of dot matrix fonts when displaying the fingerprint information according to the specified display percentage.
  • the set-top box memory and flash resources are occupied, which causes an increase in the operating load of the set-top box hardware.
  • a method for a set top box to display fingerprint information comprising:
  • the set top box receives fingerprint information, wherein the fingerprint information includes fingerprint string data and a screen percentage;
  • the fingerprint string data is drawn on the display memory by using a default font to obtain a memory bitmap, and the original width and height of the memory bitmap are obtained;
  • the memory bitmap is enlarged to the target memory bitmap according to the original width and the target width, and the target memory bitmap is displayed on the screen.
  • the method for displaying the fingerprint information of the set top box wherein the determining the target width and height of the fingerprint window corresponding to the fingerprint information according to the percentage of the screen comprises:
  • the method for displaying the fingerprint information by the set top box wherein when the original width and height are less than a target width and height, the memory bitmap is enlarged to a target memory bitmap, and the target memory bitmap is displayed on the screen
  • the specifics include:
  • the first cache is enlarged to the second cache according to a bitmap enlargement algorithm to obtain a target memory bitmap, and the memory bitmap is displayed on the screen.
  • the method for displaying the fingerprint information by the set top box, wherein the determining, according to the target width and height of the fingerprint window, the second cache corresponding to the fingerprint window comprises:
  • Determining a second cache corresponding to the fingerprint window according to the number of pixels and the number of bytes occupied by each pixel.
  • the method for displaying the fingerprint information by the set top box further includes:
  • the memory bitmap is displayed on the screen when the original width is greater than or equal to the target width and/or the original height is greater than or equal to the target height.
  • a system for displaying fingerprint information by a set top box comprising:
  • a receiving module configured to receive fingerprint information, where the fingerprint information includes fingerprint string data and a screen percentage;
  • a drawing module configured to draw the fingerprint string data on the display memory by using a default font to obtain a memory bitmap, and obtain an original width and height of the memory bitmap;
  • a comparison module configured to determine a target width and height of the fingerprint window corresponding to the fingerprint information according to the screen percentage, and compare the original width and height with a target width and height;
  • An amplifying module configured to: when the original width and height are less than a target width and height, enlarge the memory bitmap to a target memory bitmap according to the original width and height and a target width and height, and map the target memory bitmap Displayed on the screen.
  • the system for displaying the fingerprint information of the set top box, wherein the determining the target width and height of the fingerprint window corresponding to the fingerprint information according to the percentage of the screen comprises:
  • the system for displaying the fingerprint information of the set top box wherein the amplifying module specifically includes:
  • a first calculating unit configured to determine, according to an original width and height of the memory bitmap, a first cache corresponding to the memory bitmap
  • a second calculating unit configured to determine a second cache corresponding to the fingerprint window according to a target width and height of the fingerprint window
  • an amplifying unit configured to enlarge the first buffer to the second cache according to a bitmap enlargement algorithm to obtain a target memory bitmap, and display the target memory bitmap on the screen.
  • the system for displaying the fingerprint information of the set top box where the second acquiring unit specifically includes:
  • a first calculating subunit configured to determine a number of bytes occupied by each pixel according to a resolution of the set top box native
  • a second calculating subunit configured to determine, according to the target width and height, a number of pixels included in a display area corresponding to the fingerprint window;
  • a third calculating subunit configured to determine a second cache corresponding to the fingerprint window according to the number of pixels and the number of bytes occupied by each pixel.
  • the set top box displays a fingerprint information system, which further includes:
  • a display module configured to display the memory bitmap on the screen when the original width is greater than or equal to the target width and/or the original height is greater than or equal to the target height.
  • a set top box comprising: a memory, a processor, and a program stored on the memory and operable by the set top box running on the processor to display fingerprint information, the program for displaying the fingerprint information by the set top box is used by the processor
  • a computer readable storage medium is applied to a set top box, wherein the computer readable storage medium stores a program for displaying an organic top box to display fingerprint information, and the set top box displays a fingerprint information when the program is executed by the processor to implement the set top box display fingerprint as described above The steps of the method of information.
  • the present invention provides a method and system for displaying fingerprint information in a set top box, the method comprising: receiving, by the set top box, fingerprint information, wherein the fingerprint information includes fingerprint string data and a screen percentage; Extracting the fingerprint string data into a memory bitmap by using a default font to obtain a memory bitmap, and acquiring an original width and height of the memory bitmap; determining a target width and height of the fingerprint window corresponding to the fingerprint information according to the screen percentage And comparing the original width and height with the target width and height; when the original width and height are less than the target width and height, the memory bitmap is enlarged to the target memory according to the original width and the target width and height Figure and display the target memory bitmap on the screen.
  • the invention enlarges the original width and height of the fingerprint string data to the target width and height corresponding to the specified percentage data, so that the set top box displays the fingerprint information according to the specified display percentage, thereby saving the memory resource of the set top box and reducing the running load of the hardware. .
  • FIG. 1 is a flow chart of a preferred implementation of a method for displaying fingerprint information of a set top box according to the present invention.
  • FIG. 2 is a schematic structural diagram of a set top box display fingerprint information system provided by the present invention.
  • FIG. 3 is a schematic structural diagram of a set top box in a hardware operating environment according to an embodiment of the present invention.
  • the present invention provides a method and a system for displaying fingerprint information in a set top box.
  • the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
  • modules, “components” or “unit” for indicating an element is merely an explanation for facilitating the present invention, and does not have a specific meaning per se.
  • modules, “components” or “units” can be used in combination.
  • FIG. 1 is a flowchart of a preferred embodiment of a method for displaying fingerprint information of a set top box according to the present invention. The method includes:
  • the set top box receives fingerprint information, where the fingerprint information includes fingerprint string data and a screen percentage.
  • the fingerprint information is that the front-end video server corresponding to the set-top box insertion CA card sends the video to the set-top box through the distribution network, and the fingerprint information is embedded in the video to form a fingerprint video when the user plays the video.
  • the fingerprint information includes fingerprint string data and a screen percentage.
  • the fingerprint string data may be a smart card (CA card) card number configured by the set top box. Since the CA cards of different set top boxes are different, the CA card number is unique information owned by the set top box ( Known as fingerprint string data), the set-top box embeds these unique information into the video to form a fingerprint video, and then plays it to the user, so that the fingerprint video played by different users is also different. When piracy occurs, it can be included according to the video. The fingerprint string data ultimately determines the source of piracy, thereby protecting the copyright of digital video.
  • the fingerprint string data may occupy one row or one column of the display screen and may be displayed on one side of the screen without affecting the video content.
  • the fingerprint string data is displayed on the top, bottom, left or right side of the display screen, and the like.
  • the screen percentage is pre-set by the CA manufacturer and stored in the front-end server.
  • the screen percentage is embedded in the fingerprint information, so that the set-top box can determine the corresponding screen percentage when receiving the fingerprint information.
  • the percentage of the screen is a value indicating the percentage of the display area occupied by the fingerprint information and the preset canvas of the set top box. That is, the screen percentage is a zoom factor of the display area to be occupied and the preset canvas, and the display area to be occupied may be determined by scaling the preset canvas according to the screen percentage. In practical applications, the percentage is the percentage of the width/height of the display area to be occupied and the width/height of the preset set canvas of the set top box.
  • the width and height of the display area that the fingerprint information needs to occupy may be determined.
  • the screen percentage is 30%
  • the canvas width is defined as screen_w, screen_h
  • the width and height of the display area occupied by the fingerprint information defines window_w and window_h
  • the window_w screen_w*30%
  • window_h screen_h*30%.
  • S200 The fingerprint string data is drawn on the display memory by using a default font to obtain a memory bitmap, and the original width and height of the memory bitmap are obtained;
  • the using the default font to draw the fingerprint string data on the display memory to obtain a memory bitmap means that when the fingerprint information is received, the fingerprint string data is displayed in the set top box by using a default font, and The drawn fingerprint string data is stored in the set top box cache.
  • the fingerprint string data drawn in the default font in the set top box cache is a memory bitmap. After obtaining the memory bitmap, the width and height of the display area occupied by the memory bitmap can be obtained, and the original width and height of the memory bitmap are recorded.
  • the default font is a pre-stored font of the set top box and is set to the default font. That is to say, when the set top box receives the fingerprint information, the default font is used to draw the fingerprint string data carried by the fingerprint information.
  • the default font may be Song, Song, and Scorpion.
  • the fingerprint string data is drawn using the changed font.
  • S300 Determine a target width and height of the fingerprint window corresponding to the fingerprint information according to the screen percentage, and compare the original width and height with a target width and height.
  • the target width and height refers to the width and height at which the front end sets the fingerprint information display.
  • the target width and height are determined based on the percentage of the screen and the resolution of the set top box.
  • the set top box resolution refers to the current adaptation resolution parameter of the set top box.
  • the set top box can support multiple resolutions, such as 1080P, 1080I, 720P, 480P, etc.; thus, the current adaptive resolution parameter of the set top box may be the resolution of the set top box according to the video content corresponding to the fingerprint information. Determine the resolution of the adaptation.
  • the determining the target width and height of the fingerprint window corresponding to the fingerprint information according to the percentage of the screen, and comparing the original width and height with the target width and height may specifically include:
  • the reading the preset resolution of the set top box refers to reading the current adaptive resolution parameter of the set top box, that is, obtaining the width and height of the set top box canvas.
  • the width and height of the fingerprint window for displaying the fingerprint information are calculated according to the percentage of the screen and the width and height of the screen, and are recorded as the target width and height.
  • the current adaptation resolution of the set top box is 1080P
  • the width and height of the set top box canvas are 1920 pixels and 1080 pixels, respectively.
  • the target width and height are 192 pixels and 108 pixels, respectively.
  • comparing the original width and height with the target width and height refers to comparing the original width of the memory bitmap with the width of the fingerprint window, and comparing the original height of the memory bitmap with the height of the fingerprint window.
  • the original width and height are smaller than the target width and height, that is, the original width of the memory bitmap is smaller than the width of the fingerprint window, and the original height of the memory bitmap is smaller than the fingerprint window; that is, the memory bitmap can be displayed on The fingerprint window does not fill the fingerprint window.
  • Enlarging the memory bitmap to the target memory bitmap according to the original width and the target width and height refers to amplifying the memory bitmap to a target memory, and the target memory has a width and height as the target The width is high such that the target memory can be embedded in the fingerprint window and fill the fingerprint window such that the fingerprint string data is displayed in percentage of the screen, that is, the fingerprint information is displayed in percentage of the screen.
  • the memory bitmap is enlarged to a target memory bitmap according to the original width and the target width, and the target memory bit is
  • the figure display on the screen can specifically include:
  • S401 Determine a first cache corresponding to the memory bitmap according to an original width and height of the memory bitmap.
  • the memory bitmap of the first cache refers to the size of the set-top box cache space, that is, the memory bitmap needs to occupy the cache size corresponding to the display area, and is recorded as buffer_src, and the cache size is equal to the memory bitmap.
  • S402. Determine a second cache corresponding to the fingerprint window according to a target width and height of the fingerprint window.
  • the determining, according to the target width and height of the fingerprint window, the second cache corresponding to the fingerprint window comprises:
  • S4022 Determine, according to the target width and height, a number of pixels included in a display area corresponding to the fingerprint window;
  • the amplifying the first buffer to the second cache according to the bitmap algorithm refers to amplifying the first memory bitmap, and amplifying the original width and height to a target width and height, so that the amplification is obtained.
  • the cache occupied by the target memory bitmap is the second cache. That is to say, the first cache is used as the input data of the bitmap enlargement algorithm, and the second cache is used as the output data of the bitmap enlargement algorithm to realize the enlargement from the memory bitmap to the target memory bitmap.
  • the bitmap enlargement algorithm is an image enlargement method, such as a bitmap enlargement algorithm used in a word document by pressing ctrl+mouse pulley enlargement, or a bitmap enlargement algorithm used by a photo on a mobile phone to enlarge it by hand. Wait.
  • the bitmap amplification algorithm is common knowledge in the art and will not be described in detail herein.
  • the method for displaying the fingerprint information by the set top box further includes:
  • S500 Display the memory bitmap on the screen when the original width is greater than or equal to the target width and/or the original height is greater than or equal to the target height.
  • the original width is greater than or equal to the target width and/or the original height is greater than or equal to the target height.
  • the display area occupied by the memory bitmap cannot be embedded in the fingerprint window. In this case, in order to avoid incomplete display of the fingerprint information, The width and height of the memory bitmap are set to the width and height of the fingerprint window, and the memory bitmap is displayed on the screen.
  • the present invention also provides a system for displaying fingerprint information of a set top box, as shown in FIG. 2, which includes:
  • the receiving module 100 is configured to receive fingerprint information, where the fingerprint information includes fingerprint string data and a screen percentage;
  • the drawing module 200 is configured to draw the fingerprint string data on the display memory by using a default font to obtain a memory bitmap, and obtain an original width and height of the memory bitmap;
  • the comparison module 300 is configured to determine a target width and height of the fingerprint window corresponding to the fingerprint information according to the screen percentage, and compare the original width and height with a target width and height;
  • the amplification module 400 is configured to enlarge the memory bitmap to a target memory bitmap according to the original width and the target width and height, and when the original width and height are less than a target width and height, and the target memory bit The figure is shown on the screen.
  • the system for displaying the fingerprint information of the set top box, wherein the determining the target width and height of the fingerprint window corresponding to the fingerprint information according to the percentage of the screen comprises:
  • the system for displaying the fingerprint information of the set top box wherein the amplifying module specifically includes:
  • a first calculating unit configured to determine, according to an original width and height of the memory bitmap, a first cache corresponding to the memory bitmap
  • a second calculating unit configured to determine a second cache corresponding to the fingerprint window according to a target width and height of the fingerprint window
  • an amplifying unit configured to enlarge the first buffer to the second cache according to a bitmap enlargement algorithm to obtain a target memory bitmap, and display the target memory bitmap on the screen.
  • the system for displaying the fingerprint information of the set top box where the second acquiring unit specifically includes:
  • a first calculating subunit configured to determine a number of bytes occupied by each pixel according to a resolution of the set top box native
  • a second calculating subunit configured to determine, according to the target width and height, a number of pixels included in a display area corresponding to the fingerprint window;
  • a third calculating subunit configured to determine a second cache corresponding to the fingerprint window according to the number of pixels and the number of bytes occupied by each pixel.
  • the set top box displays a fingerprint information system, which further includes:
  • a display module configured to display the memory bitmap on the screen when the original width is greater than or equal to the target width and/or the original height is greater than or equal to the target height.
  • FIG. 3 is a schematic structural diagram of a set top box in a hardware operating environment according to an embodiment of the present invention.
  • the set top box of the embodiment of the present invention may include a processor 1001, such as a CPU, and a memory 1002. Connection communication between these components can be achieved via a communication bus.
  • the memory 1002 may be a high speed RAM memory or a stable memory (non-volatile) Memory), such as disk storage.
  • the memory 1002 can also optionally be a storage device independent of the aforementioned processor 1001.
  • the set top box may also include a user interface, a network interface, a camera, and an RF (Radio) Frequency, RF) circuits, sensors, audio circuits, WiFi modules, and more.
  • the user interface may include a display, an input unit such as a keyboard, and the optional user interface may also include a standard wired interface, a wireless interface.
  • the network interface can optionally include a standard wired interface or a wireless interface (such as a WI-FI interface).
  • set top box structure illustrated in FIG. 3 does not constitute a definition of a set top box, and may include more or fewer components than those illustrated, or some components may be combined, or different component arrangements.
  • a memory 1002 as a computer storage medium may include an operating system and a program for the set top box to display fingerprint information.
  • the operating system is a program for managing and controlling the hardware and software resources of the set-top box, and supports the operation of the program for displaying the fingerprint information of the set-top box and other software or programs.
  • the processor 1001 can be used to execute a program for displaying the fingerprint information of the set top box stored in the memory 1002 to implement the following steps:
  • the set top box receives fingerprint information, wherein the fingerprint information includes fingerprint string data and a screen percentage;
  • the fingerprint string data is drawn on the display memory by using a default font to obtain a memory bitmap, and the original width and height of the memory bitmap are obtained;
  • the memory bitmap is enlarged to the target memory bitmap according to the original width and the target width, and the target memory bitmap is displayed on the screen.
  • processor 1001 may further execute a program for displaying the fingerprint information of the set top box stored in the memory 1002 to implement the following steps:
  • processor 1001 may further execute a program for displaying the fingerprint information of the set top box stored in the memory 1002 to implement the following steps:
  • the first cache is enlarged to the second cache according to a bitmap enlargement algorithm to obtain a target memory bitmap, and the target memory bitmap is displayed on the screen.
  • processor 1001 may further execute a program for displaying the fingerprint information of the set top box stored in the memory 1002 to implement the following steps:
  • Determining a second cache corresponding to the fingerprint window according to the number of pixels and the number of bytes occupied by each pixel.
  • processor 1001 may further execute a program for displaying the fingerprint information of the set top box stored in the memory 1002 to implement the following steps:
  • the memory bitmap is displayed on the screen when the original width is greater than or equal to the target width and/or the original height is greater than or equal to the target height.
  • the specific embodiment of the set top box of the present invention is substantially the same as the method and system for displaying the fingerprint information of the set top box, and details are not described herein.
  • the present invention also provides a computer readable storage medium on which a program for displaying fingerprint information of an organic set top box is stored.
  • a program for displaying the fingerprint information of the set top box is stored on the computer readable storage medium.
  • the set top box receives fingerprint information, wherein the fingerprint information includes fingerprint string data and a screen percentage;
  • the fingerprint string data is drawn on the display memory by using a default font to obtain a memory bitmap, and the original width and height of the memory bitmap are obtained;
  • the memory bitmap is enlarged to the target memory bitmap according to the original width and the target width, and the target memory bitmap is displayed on the screen.
  • the first cache is enlarged to the second cache according to a bitmap enlargement algorithm to obtain a target memory bitmap, and the target memory bitmap is displayed on the screen.
  • Determining a second cache corresponding to the fingerprint window according to the number of pixels and the number of bytes occupied by each pixel.
  • the memory bitmap is displayed on the screen when the original width is greater than or equal to the target width and/or the original height is greater than or equal to the target height.
  • the specific embodiment of the computer readable storage medium of the present invention is substantially the same as the method and system for displaying the fingerprint information of the set top box, and is not described herein.
  • the disclosed systems and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the modules is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of hardware plus software functional units.
  • the above-described integrated unit implemented in the form of a software functional unit can be stored in a computer readable storage medium.
  • the above software functional unit is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor to perform the methods of the various embodiments of the present invention. Part of the steps.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, and a read only memory (Read-Only) Memory, ROM, random access memory (RAM), disk or optical disc, and other media that can store program code.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Collating Specific Patterns (AREA)
  • Image Input (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

L'invention porte sur un procédé et sur un système qui permettent à un boîtier décodeur d'afficher des informations d'empreinte digitale, sur un boîtier décodeur et sur un support de stockage. Le procédé consiste : à recevoir, au moyen d'un boîtier décodeur, des informations d'empreinte digitale, les informations d'empreinte digitale comprenant des données de chaîne de caractères d'empreinte digitale et un pourcentage d'écran ; à utiliser une police par défaut pour dessiner les données de chaîne de caractères d'empreinte digitale sur une mémoire vidéo, pour obtenir une table de bits de mémoire, et à acquérir une largeur et une hauteur d'origine de la table de bits de mémoire ; à déterminer une largeur et une hauteur cibles d'une fenêtre d'empreinte digitale correspondant aux informations d'empreinte digitale en fonction du pourcentage d'écran et à comparer la largeur et la hauteur d'origine avec la largeur et la hauteur cibles ; lorsque la largeur et la hauteur d'origine sont l'une et l'autre inférieures à la largeur et à la hauteur cibles, à amplifier la table de bits de mémoire pour correspondre à une table de bits de mémoire cible en fonction de la largeur et de la hauteur d'origine et de la largeur et de la hauteur cibles, et à afficher la table de bits de mémoire cible sur un écran. Selon la présente invention, au moyen de l'amplification d'une largeur et d'une hauteur d'origine de données de chaîne de caractères d'empreinte digitale pour correspondre à une largeur et à une hauteur cibles correspondant à des données de pourcentage spécifiées, un boîtier décodeur affiche des informations d'empreinte digitale en fonction d'un pourcentage d'affichage spécifié de sorte à économiser des ressources de mémoire.
PCT/CN2017/108858 2016-12-22 2017-11-01 Procédé et système permettant à un boîtier décodeur d'afficher des informations d'empreinte digitale, boîtier décodeur et support de stockage Ceased WO2018113420A1 (fr)

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CN120578357A (zh) * 2025-08-04 2025-09-02 麒麟软件有限公司 一种基于影子显存的显存对齐优化方法及系统

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