如何在asp.net C#中获取视频文件的视频持续时间?

我们可以使用Microsoft shell对象dll来实现这一点。将shell32引用添加到引用中的项目,然后参考下面的代码。

    [STAThread] // Add STAThread attribute here
    public static string GetVideoDuration(string filepath)
    {
        string formatedduration = "";

        // Create Shell32 Shell object
        Shell shell = new ShellClass();

        // Get the folder that contains the video file
        Folder folder = shell.NameSpace(System.IO.Path.GetDirectoryName(filepath));

        // Get the video file
        FolderItem folderItem = folder.ParseName(System.IO.Path.GetFileName(filepath));

        // Get the duration property
        string duration = folder.GetDetailsOf(folderItem, 27); // 27 is the index of the "Duration" property

        formatedduration = GetTimeFormat(duration);

        return formatedduration;
    }

调用上述方法,如下所示:

 //Create thread for shellobject 
  Thread thread = new Thread(() => { VideoDuration = GetVideoDuration(Server.MapPath(fileURL)); });
  thread.SetApartmentState(ApartmentState.STA);
  thread.Start();
  thread.Join();
  thread.Abort();