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一种视频缓冲和调度策略的研究和实现 被引量:3

Research and Implementation of Video Frequency Buffer and Attemper Policy
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摘要 分别从客户和多媒体流的角度分析了视频模块采用的调度策略。基于Linux平台研究了一种视频缓冲区的实现方法 :缓存管理器使用两个流缓冲池 ,一个缓冲池是空闲缓冲池 ,另一个是正在使用的流缓冲池。当申请一个流时 ,缓存管理器看空闲缓冲池是否为空 ,如果不为空则返回一个空闲的流 ;如果为空则系统的资源不足 ,拒绝流的请求。同时把实现的缓存策略与LRU策略进行了理论上的分析。对视频模块的性能进行了仿真 ,研究了磁盘性能模型。 In this paper,we have analyzed the attemper policy which video frequency module is used from the pornts of client and multimedia stream.We research a sort of structure of the video frequency buffer and it's implementation over Linux.We probe into the way of this structural implementation.And compare them in their arithmetics with LRU all around.
出处 《计算机应用研究》 CSCD 北大核心 2001年第10期35-36,40,共3页 Application Research of Computers
关键词 视频缓冲 调度策略 文件系统 LINUX 操作系统 Linux Video Frequency Buffer Attemper Policy
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参考文献3

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同被引文献31

  • 1林苏斌,缪希仁.基于通信控制模块的小区设备监控系统[J].低压电器,2004(9):10-12. 被引量:1
  • 2刘志刚,邬春学,杨春.基于光纤网络数字视频传输系统设计与实现[J].仪器仪表用户,2006,13(6):39-40. 被引量:3
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