摘要
本文介绍了美国NS(国家半导体)公司为SC1200/SC1210数字机顶盒系统开发的中间件的实现方案。首先分析了Linux中间件的体系结构,然后分别介绍了模拟视频子系统,数字视频子系统和叠加子系统的实现方法。
This paper introduces the implementing scheme of digital set- top box's linux middleware based on SC1200/ SC1210 developed by National Semiconductor in USA, analyzes the linux middleware's architecture, and then introduces respectively the implementation of the analog video subsystem , the digital video subsystem and the overlaying subsystem.