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Microwindows-based optimized digital family set-top box GUI system

A digital home and set-top box technology, applied in the direction of electronic digital data processing, TV system parts, color TV parts, etc., can solve the problem of high cost, achieve speed improvement, better display effect, and meet visual requirements.

Inactive Publication Date: 2007-11-07
SUN YAT SEN UNIV
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  • Summary
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AI Technical Summary

Problems solved by technology

Advantages such as the degree of system mastery, high performance and software volume can be adjusted to the best, the disadvantage is that the cost is high, and the required development time and labor costs need to be considered

Method used

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  • Microwindows-based optimized digital family set-top box GUI system
  • Microwindows-based optimized digital family set-top box GUI system
  • Microwindows-based optimized digital family set-top box GUI system

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Embodiment Construction

[0037] Below in conjunction with accompanying drawing, the present invention is further described:

[0038] As shown in FIG. 2 , the GUI system of the digital TV set-top box to be optimized by the present invention is located at the upper layer of the digital TV set-top box architecture.

[0039] As shown in Figure 1, the optimized digital TV set-top box GUI system includes three modules:

[0040] 1. GUI core mechanism module: It adopts C / S working mode, including four sub-modules including graphics device sub-module, message mechanism sub-module, timer sub-module, and input device sub-module. The main function is to provide a memory buffer for graphic display, to be responsible for message reception and distribution, to provide timer support for upper-layer applications, and to provide input device input message collection functions.

[0041] 2. Graphics engine module: It has the functions of screen and area management, palette color search and scheduling, etc. At the same t...

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Abstract

A set-top box GUI system of digital TV based on micro-windows comprises GUI kernel mechanism module, patter engine module and GUI object module. It is featured as using optimized palette module as patter engine module to set up a buffer pool, searching buffer pool first whenever color RGB value is sought, only using original matching algorithm of each seek to find out most proper RGB index when buffer pool is not hit and forming said buffer pool by two-way cyclic chain table structure with 16 nodes.

Description

technical field [0001] The invention relates to the field of digital television set-top box technology and computer graphics, in particular to the related technology of embedded GUI software, Microwindows. Background technique [0002] A digital set-top box (STB, Set-Top-Box) is a network terminal device connected to a TV set. It is a conversion device used to convert digital TV signals into analog signals. It decodes and restores digitally compressed image and sound signals to generate Simulates video and sound signals to provide viewers with high-quality television programs. [0003] The related work of digital set-top box software development is roughly divided into the following parts: [0004] 1. Construction of embedded Linux operating system platform and device driver; [0005] 2. EPG information analysis and database; [0006] 3. Graphical user interface GUI system platform and GUI application development; [0007] 4. The transformation of the video decoding soft...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/00H04N5/445G06F3/048G06F3/0481H04N21/472
Inventor 周怿罗笑南
Owner SUN YAT SEN UNIV
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