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Method for accelerating display speed of set top box

A technology of display speed and acceleration machine, which is applied in the field of speeding up the display speed of set-top boxes by means of hybrid drive, can solve problems such as slow speed, and achieve the effect of smooth display, good display process and fast speed

Inactive Publication Date: 2010-11-10
FUJIAN NEWLAND COMM SCI TECH
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

At the same time, the speed is slower when drawing image data with transparent colors

Method used

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Embodiment Construction

[0027] The present invention will be further described below in conjunction with specific embodiments.

[0028] The invention provides a method for accelerating the display speed of a set-top box, the method comprising the following steps:

[0029] A method for accelerating the display speed of a set-top box, said method comprising the steps of:

[0030] Step 1: Design a general graphic image display interface, which mainly includes: DrawPixel, FillRect, PutData, GetDate, PurDataMask functions;

[0031] DrawPixel: used to draw a pixel to the screen;

[0032] FillRect: Draw a rectangular frame for use when drawing a large number of rectangular graphics;

[0033] PutData: used to draw the given image data to the screen;

[0034] GetDate: used to get the image data in the screen;

[0035] PurDataMask: used to draw images with transparent color information to the screen;

[0036] Step 2: Each function in the designed graphics and image display interface uses a hybrid driver t...

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Abstract

The invention discloses a method for accelerating the display speed of a set top box, which comprises the following steps that: step 1, a universal graphic image display interface is designed; and step 2, the function of the designed graphic image display interface adopts a combination drive to accelerate the display speed of the set top box. In the invention, by utilizing the method to accelerate the display speed of the set top box, a great quantity of CPU time is saved, even if when a large number of graphic images are drawn, a system can still smoothly display; when the system calls a great quantity of point drawing operations, unsmooth phenomenon can not occur; and the method can more quickly draw graphic data with transparent color. In short, by adopting the multiple function combination drive with the graphic image display interface, the invention effectively solves various problems existing in drawing graphic image in the interface of digital TV set boxes, improves the drawing efficiency, and leads users to more comfortably enjoy a smooth display process of the set top box.

Description

technical field [0001] The invention relates to a method for accelerating the display speed of a set-top box, in particular to a method for accelerating the display speed of the set-top box in a hybrid driving manner. Background technique [0002] When a traditional digital TV set-top box uses the operation display buffer for OSD output, since the CPU is used as the main data relocation device, in addition to taking up a lot of CPU time, when a large amount of graphic images need to be drawn for a period of time, jaggedness will appear The shape shows that the more the content, the more jagged, and when the load of the application is too heavy, it will cause the OSD to update slowly, making the user feel like swiping the screen. When using the 2D acceleration function to complete OSD drawing, when the system calls a large number of drawing operations, the system will experience an extremely slow drawing process, especially when a large number of drawing operations such as wr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/00G06F9/44
Inventor 方立
Owner FUJIAN NEWLAND COMM SCI TECH
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