MediaInfo工具在视频文件管理中的应用  

Application of Media Info Tool in Management of Video Files

作　　者：姜文[1] 刘立康[1] JIANG Wen;LIU Li-kang(School of Telecommunication Engineering,Xidian University,Xi'an 710071,China)

机构地区：[1]西安电子科技大学通信工程学院,陕西西安710071

出　　处：《计算机技术与发展》2018年第4期36-41,共6页Computer Technology and Development

基　　金：国家部委基础科研计划;国防预研基金项目(A1120110007)

摘　　要：云转码产品在开发与运营阶段都涉及到视频文件库管理,仅依靠视频文件的扩展名进行分类管理不能满足要求,需要按照视频文件特定重点参数进行文件的分类管理,并不断更新视频文件库的索引文件。Media Info是通用的多媒体文件参数信息提取的开源软件工具,支持目前各类主流格式的图像、音频、视频文件参数信息获取。Media Info工具根据用户的不同需求有三种形式的工具,包括图形界面工具、命令行工具和动态库工具。结合实例详细叙述了三种形式Media Info工具的使用方法,归纳分析了三种工具的特点。最后介绍了Media Info工具在云转码视频文件库管理中的应用,叙述了视频文件库的管理方式,详细叙述了一个典型案例的处理方法。灵活运用Media Info工具,可以解决视频文件库管理中遇到的各种问题,极大地提升管理工作效率。Video files management is involved in the development and operation stages for cloud transcoding product.The classification management cannot meet the requirements only by the video file extensions,it is needed according to the specific key parameters of video,and constantly updating index files in video library.MediaInfo is an open source tool which is commonly used to extract the parameters information of the multimedia files,supporting the parameter information extraction of images,audio and video with current mainstream format.MediaInfo has three forms of tools to satisfy the different needs of users,including a graphical interface,the command line tool and dynamic library tool.Combined with instance,we describe the use of the three forms of MediaInfo tools in detail,and analyze the characteristics of three kinds of tools.Finally we introduce the application of MediaInfo tools in video library management of cloud transcoding,narrate the management pattern of video library,and details the processing method of a typical case.Using the MediaInfo tools flexibly can solve the problems in the video library management and greatly enhance the management efficiency.

关 键 词：多媒体 媒体格式 动态库 命令行工具 云转码 

分 类 号：TP37[自动化与计算机技术—计算机系统结构]