写了一个图片导成avi的程序，用的是aforge的dll，在压缩那里报错了

报的错误是：“AForge.Video.VideoException”类型的未经处理的异常在 AForge.Video.VFW.dll 中发生
其他信息: Failed creating compressed stream

代码就几句

using System;

using System.Collections.Generic;

//using System.Linq;

//using System.Threading.Tasks;

using System.Windows.Forms;

using System.Runtime.InteropServices;

using System.Drawing;

using System.Drawing.Imaging;

using System.Collections;

using WindowsFormsApplication2;

using System.IO;

using AForge.Video.VFW;



namespace WindowsFormsApplication2

{

    static class Program

    {

        [STAThread]

        static void Main()

        {

            Application.EnableVisualStyles();

            Application.SetCompatibleTextRenderingDefault(false);

            Application.Run(new Form1());



            DirectoryInfo dir = new DirectoryInfo(@"D:\Image\");

            DirectoryInfo[] listdir = dir.GetDirectories();

            FileInfo[] listfile = dir.GetFiles();



            AVIWriter avi = new AVIWriter("wmv3");

            //AVIWriter avi = new AVIWriter();

            qavi.Open(@"d:\"+System.DateTime.Now.ToString("yyyyMMMddhhmmss")+".avi", 358, 472);



            foreach (FileInfo s in listfile)

            {

                //获得图像

                Bitmap img = new Bitmap(@"D:\Image\" + s.Name);

                //载入图像

                avi.AddFrame(img);

            }

            ////释放资源

            avi.Close();

        }

    }

    

}

这个是我参考的网站：http://blog.csdn.net/halen0820/article/details/6897144
http://www.verydemo.com/demo_c116_i10097.html

关键代码是这个：AVIWriter avi = new AVIWriter("wmv3");为什么不能用压缩呢？
148M的图片不压缩的话出来有800+M，但加上压缩代码就报错，知道的麻烦高度下