视频基本信息: Format : Matroska Format version : Version 2 File size : 355 MiB Duration : 23mn 35s Overall bit rate mode : Variable Overall bit rate : 2 100 Kbps Encoded date : UTC 2010-02-20 13:45:57 Writing application : mkvmerge v2.9.0 ('Moanin'') built on May 22 2009 17:46:31 Writing library  ...