C#SharpAvi桌面录屏源码

最后通过ffmpeg转换，比较耗时，不过可以参考

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Drawing;
using System.Drawing.Imaging;
using System.Runtime.InteropServices;
using System.IO;

namespace Peeper {
	static class Extensions {
		/*public static byte[] ToByteArray（this Image Img ImageFormat Fmt） {
			using （MemoryStream MS = new MemoryStream（）） {
				Img.Save（MS Fmt）;
				return MS.ToArray（）;
			}
		}*/

		public static byte[] ToByteArray（this Bitmap Img PixelFormat PFmt = PixelFormat.Format24bppRgb） {
			BitmapData BmpData = Img.LockBits（new Rectangle（Point.Empty Img.Size） ImageLockMode.ReadOnly PFmt）;
			int Len = BmpData.Stride * BmpData.Height;
			byte[] Bytes = new byte[Len];
			Marshal.Copy（BmpData.Scan0 Bytes 0 Len）;
			Img.UnlockBits（BmpData）;
			return Bytes;
		}

		public static Point Add（this Point A Point B） {
			return new Point（A.X + B.X A.Y + B.Y）;
		}

		public static Point Subtract（this Point A Point B） {
			return new Point（A.X - B.X A.Y - B.Y）;
		}
	}
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2016-09-08 15:23  Peeper-master\
     文件        2906  2015-12-06 12:03  Peeper-master\.gitignore
     目录           0  2016-09-08 15:23  Peeper-master\.vs\
     目录           0  2016-09-08 15:23  Peeper-master\.vs\Peeper\
     目录           0  2016-09-08 15:23  Peeper-master\.vs\Peeper\v14\
     文件       77312  2016-09-13 10:21  Peeper-master\.vs\Peeper\v14\.suo
     目录           0  2016-09-08 15:23  Peeper-master\3rdParty\
     目录           0  2016-09-08 15:23  Peeper-master\3rdParty\CodeContracts\
     文件       61440  2015-12-06 12:03  Peeper-master\3rdParty\CodeContracts\SharpAvi.Contracts.dll
     文件      120532  2015-12-06 12:03  Peeper-master\3rdParty\SharpAvi.xml
     文件       77824  2015-12-06 12:03  Peeper-master\3rdParty\SharpAvi.dll
     文件        1211  2015-12-06 12:03  Peeper-master\LICENSE
     目录           0  2016-09-08 15:23  Peeper-master\Peeper\
     文件         182  2015-12-06 12:03  Peeper-master\Peeper\App.config
     文件        1044  2015-12-06 12:03  Peeper-master\Peeper\Extensions.cs
     文件        4048  2016-09-05 10:01  Peeper-master\Peeper\Peeper.csproj
     文件        2865  2016-09-05 17:37  Peeper-master\Peeper\PeeperForm.Designer.cs
     文件        7119  2016-09-06 13:20  Peeper-master\Peeper\PeeperForm.cs
     文件        5817  2016-09-05 17:37  Peeper-master\Peeper\PeeperForm.resx
     文件         693  2016-09-05 10:53  Peeper-master\Peeper\Program.cs
     目录           0  2016-09-08 15:23  Peeper-master\Peeper\Properties\
     文件        1388  2015-12-06 12:03  Peeper-master\Peeper\Properties\AssemblyInfo.cs
     文件        2403  2015-12-06 12:03  Peeper-master\Peeper\Properties\Resources.Designer.cs
     文件        5496  2015-12-06 12:03  Peeper-master\Peeper\Properties\Resources.resx
     文件         979  2015-12-06 12:03  Peeper-master\Peeper\Properties\Settings.Designer.cs
     文件         242  2015-12-06 12:03  Peeper-master\Peeper\Properties\Settings.settings
     目录           0  2016-09-08 15:23  Peeper-master\Peeper\obj\
     目录           0  2016-09-08 15:23  Peeper-master\Peeper\obj\Debug\
     文件       35345  2016-09-05 09:47  Peeper-master\Peeper\obj\Debug\DesignTimeResolveAssemblyReferences.cache
     文件        7000  2016-09-13 10:20  Peeper-master\Peeper\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
     文件         180  2016-09-05 17:37  Peeper-master\Peeper\obj\Debug\Peeper.PeeperForm.resources
............此处省略23个文件信息