摘要
在VOD系统中,为了满足多用户在不同时刻点播同一个视频文件,视频节目的存储需要特殊的方法。采用文件分块存储的方法来解决这一问题,分析了磁盘个数、带宽、用户数、视频流数与文件块的大小之间的关系;同时给出了视频文件分块后的存储方法以及调用视频文件时缓冲区的设计、视频文件的并发读取与重组,从而实现在不同时刻发送同一个视频节目到多个客户端。
In VOD system in oroler,to satisfy the demand that many users could share the same video at different time,the
special method for video storage was needed.The file stripping storage method was adopted to solve this problem.The relations
of the numbers of discs,users,video streams,bandwidth,and the sizes of file block were analyzed.A memod for saving the
stripped video file was presented.The design of the buffers for the retrieval videos across disks,the method for parallel reading
and the regroup of the video file were given,so the same video could be transmitted to multi-client at different time.
出处
《计算机工程与设计》
CSCD
2004年第5期829-831,839,共4页
Computer Engineering and Design
