如何使用 C# 获取视频文件的持续时间?

问题描述

C# 中的任何库允许我这样做?

Any library in C# that allows me to do that?

推荐答案

google result for http://johndyer.name/post/2005/07/22/Retreiving-the-duration-of-a-WMV-in-C.aspx

google result for http://johndyer.name/post/2005/07/22/Retreiving-the-duration-of-a-WMV-in-C.aspx

using WMPLib; // this file is called Interop.WMPLib.dll

WindowsMediaPlayerClass wmp = new WindowsMediaPlayerClass();
IWMPMedia mediaInfo = wmp.newMedia("myfile.wmv");

// write duration
Console.WriteLine("Duration = " + mediaInfo.duration);

// write named attributes
for (int i=0; i<mediaInfo.attributeCount; i++)
{
Console.WriteLine(mediaInfo.getAttributeName(i) + " = " +  mediaInfo.getItemInfo(mediaInfo.getAttributeName(i)) );
}

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