目 录
中文摘要
ABSTRACT
摘 要 ...........................................................................................................................1
第一章 绪 论 .................................................................................................................1
§1.1 课题研究的背景及意义 ................................................................................1
§1.2 国内外研究现状 ............................................................................................2
§1.3 论文研究内容 ................................................................................................3
第二章 OSD 实现原理 ....................................................................................................5
§2.1 OSD 技术概述 ................................................................................................5
§2.2 颜色空间概述 ................................................................................................6
§2.3 常用的 OSD 界面实现方法 ..........................................................................9
第三章 开发平台和开发环境 .......................................................................................11
§3.1 开发平台 DaVinci ....................................................................................... 11
§3.2 TW2835 ........................................................................................................ 12
§3.2.1 TW2835 结构 ..................................................................................... 13
§3.2.1 TW2835 OSD 结构 ............................................................................ 13
§3.3 嵌入式平台简介 ..........................................................................................15
§3.4 开发软件 Eclipse 简介 ................................................................................16
第四章 OSD 系统硬件和软件架构设计 ......................................................................18
§4.1 OSD 硬件系统框架 ......................................................................................18
§4.2 OSD 软件架构设计 ......................................................................................19
§4.2.1 OSD 软件整体框架 ............................................................................19
§4.2.2 OSD 系统的分级结构设计 ................................................................21
第五章 OSD 显示菜单的实现 ......................................................................................23
§5.1 字符单元的实现 ..........................................................................................23
§5.1.1 字符单元的实现原理概述 ................................................................23
§5.1.2 字符点阵的提取 ................................................................................23
§5.1.3 字符单元的实现原理 ........................................................................24
§5.1.4 字符 OSD 的实现 ..............................................................................25
§ 5.1.4.1 构造中英文字符点阵 ..............................................................25
§ 5.1.4.2 上载显示点阵数据 .................................................................27
§ 5.1.4.3 字符 OSD 的测试结果 ...........................................................28
§5.2 Bitmap 图片 OSD 的实现 ............................................................................28