计算机工程 ›› 2010, Vol. 36 ›› Issue (06): 218-220.doi: 10.3969/j.issn.1000-3428.2010.06.074

• 多媒体技术及应用 • 上一篇    下一篇

针对IPTV快进快退优化的媒体封装格式

王国权,李 弋,叶德建   

  1. (复旦大学软件学院宽带网络与互动多媒体实验室,上海 201203)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2010-03-20 发布日期:2010-03-20

Media Packaging Format Optimizing for IPTV Fast Forward/Backward

WANG Guo-quan, LI Yi, YE De-jian   

  1. (Multimedia and Networking Laboratory, School of Software, Fudan University, Shanghai 201203)
  • Received:1900-01-01 Revised:1900-01-01 Online:2010-03-20 Published:2010-03-20

摘要: 通过分析网络电视(IPTV)服务的特性和快进快退操作对服务器的影响,设计一种对快进快退操作进行优化的流媒体文件封装与索引格式,在采用数据块状存储的基础上,提出帧类别存储策略。性能对比实验表明,使用该文件格式的IPTV服务器提高了在快进快退模式下的性能。

关键词: 网络电视, 快进快退, 媒体封装, 磁盘I/O

Abstract: By analyzing the characteristics of Internet Protocol Television(IPTV) service and the influence of fast forward/backward on the server, a packaging and indexing format of streaming media file optimized for fast forward/backward is proposed. Based on block-level media storage technology, it designs frame type storage strategy. Performance evaluation experiments demonstrate that IPTV server can work more efficiently with the format under fast forward/backward.

Key words: Internet Protocol Television(IPTV), fast forward/backward, media packaging, disk I/O

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