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计算机工程 ›› 2007, Vol. 33 ›› Issue (08): 270-272. doi: 10.3969/j.issn.1000-3428.2007.08.095

• 开发研究与设计技术 • 上一篇    下一篇

基于Linux的MPEG-4视频压缩卡驱动程序

程晓宇,毕笃彦   

  1. (空军工程大学工程学院信号与信息处理实验室,西安 710038)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2007-04-20 发布日期:2007-04-20

MPEG-4 Video Compress Card Driver on Linux

CHENG Xiaoyu, BI Duyan   

  1. (Lab of Signal and Information Processing, Engineering Institute, Air Force Engineering University, Xi’an 710038 )
  • Received:1900-01-01 Revised:1900-01-01 Online:2007-04-20 Published:2007-04-20

摘要: 阐述了Linux系统下实现设备驱动程序的基本框架。在介绍MPEG-4压缩卡工作原理的基础上,讨论了Linux系统下PCI接口的MPEG-4视频压缩卡驱动程序的设计与实现过程,并提供了相应的函数及程序的编写。实验结果证明了该驱动程序的实用性。

关键词: Linux, 驱动程序, 中断, MPEG-4

Abstract: Based on the basic principle of MPEG-4 video compress card, this paper presents the general framework of developing device driver on Linux platform and describes the design and the implementation of the MPEG-4 video compress card driver, including relevant functions and programs. The experiment results prove the feasibility of the driver.

Key words: Linux, Driver, Interrupt, MPEG-4

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