OSD(On Screen Display)简介
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摘要
在做显卡驱动或者FrameBuffer相关的东东时,可能会碰到有关OSD方面的知识,下面把我搜索的资料整理如下,并有一个非常简单实用的例子,希望对大家有帮助!
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声明:
此文为原创,欢迎转载,转载请保留如下信息
作者:聂飞(afreez) 北京-中关村
联系方式:afreez@sina.com (欢迎与作者交流)
初次发布时间:2006-06-21
不经本人同意,不得用语商业或赢利性质目的,否则,作者有权追究相关责任!
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OSD相关定义解释
OSD (On-Screen Display) 屏幕视控系统。
早期的屏幕要调整设定,必须使用屏幕下方的旋转钮,可调整的功能较少。但是随着技术的进步,厂商发展出一项新的OSD功能,可在屏幕上显示屏幕的相关设定,操作的功能也比较多。
see: http://www.broadcast.hc360.com/dic/html/3926.htm
OSD(On-Screen Display) 是在屏幕上直接显示使用者所调整的结果和设定的内容,目前许多数字式的屏幕都支持OSD,因此屏幕可显示的宽度、高度、亮度、对比和色系等设定都是直接在画面上进行,这个功能是直接由显示器硬件所支持的,不必使用操作系统的驱动程序,即使显示器所连接的计算机不开机也可以使用OSD。
see : http://www.chungkt.hk/cit/DIC/O/O0048.HTML
on-screen display
An on-screen display (OSD) is a control panel on a computer monitoror television screen that allows you to select viewing options and/oradjust components of the display, such as brightness, contrast, andhorizontal and vertical positioning.
Ona computer monitor, an on-screen display is usually activated bybuttons on the bottom of the monitor. As an example, one button maybring up a display of the brightness and contrast levels, which may be adjusted by pressing the monitor's up or down arrow buttons.
Ona television screen, an on-screen display can usually be activatedeither through buttons on the television set itself or through theremote control. Television on-screen displays are becoming increasinglycomplex and interactive. In addition to the visual calibration options,the on-screen display may allow you to view program information, searchfor programs, or put certain channels under parental control.
See:http://whatis.techtarget.com/definition/0,,sid9_gci967843,00.html
我做的一个例子的一个截图:
参考:http://www.hamans.com/osd/
里面提及到需要下载相关的一个小软件,需要的话,可以把自己的email留下来,我发给大家。
原帖:http://blog.csdn.net/ganxingming/archive/2006/06/21/819375.aspx
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